{"id":26705,"date":"2026-08-08T05:10:51","date_gmt":"2026-08-07T20:10:51","guid":{"rendered":"https:\/\/genai-ai.co.jp\/ai-kanri\/?p=26705"},"modified":"2026-08-08T05:10:51","modified_gmt":"2026-08-07T20:10:51","slug":"html-underline-tag","status":"publish","type":"post","link":"https:\/\/genai-ai.co.jp\/ai-kanri\/blog\/html-underline-tag\/","title":{"rendered":"\u30102026\u5e748\u6708\u6700\u65b0\u3011HTML\u306e<u>\u30bf\u30b0\u3067\u4e0b\u7dda\u3092\u5f15\u304f\u306e\u306fNG\uff1fCSS\u3067\u306e\u6b63\u3057\u3044\u4e0b\u7dda\u306e\u4ed8\u3051\u65b9\u3068text-decoration\u5b8c\u5168\u30ac\u30a4\u30c9"},"content":{"rendered":"\n<style>\n.g-flow-row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;align-items:center;}\n.g-flow-item{background:linear-gradient(135deg,#1a1a1a,#2a1015);color:#fff;border-radius:8px;padding:16px 14px;min-width:130px;flex:1;text-align:center;}\n.g-flow-arrow{color:#dc2626;font-size:20px;font-weight:700;}\n.g-card-row{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 32px;}\n.g-card-row>div{flex:1;min-width:220px;}\n@media(max-width:600px){\n  .g-flow-row{flex-direction:column;}\n  .g-flow-arrow{transform:rotate(90deg);}\n  .g-card-row{flex-direction:column;}\n  .g-card-row>div{min-width:100%;}\n}\n<\/style>\n\n\n\n<div style=\"margin:0 0 32px;\">\n  <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/08\/thumb-html-underline-tag.jpg\" alt=\"\u30102026\u5e748\u6708\u6700\u65b0\u3011HTML\u306e<u>\u30bf\u30b0\u3067\u4e0b\u7dda\u3092\u5f15\u304f\u306e\u306fNG\uff1fCSS\u3067\u306e\u6b63\u3057\u3044\u4e0b\u7dda\u306e\u4ed8\u3051\u65b9\u3068text-decoration\u5b8c\u5168\u30ac\u30a4\u30c9\" style=\"width:100%;height:auto;border-radius:12px;display:block;\">\n<\/div>\n\n\n\n<div style=\"background:#f8f9fa;border-radius:12px;padding:24px 28px;margin:0 0 32px;border-left:4px solid #dc2626;\">\n  <p style=\"font-size:15px;font-weight:700;color:#1a1a1a;margin:0 0 16px;\">\u3053\u306e\u8a18\u4e8b\u306e\u5185\u5bb9<\/p>\n  <ol style=\"margin:0;padding-left:20px;font-size:14px;line-height:2.2;list-style:none;\">\n    <li><a href=\"#sec-01\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">01<\/span>&lt;u&gt;\u30bf\u30b0\u3068\u306f\uff1f\u4e0b\u7dda\u3092\u5f15\u304f\u6700\u3082\u539f\u59cb\u7684\u306a\u65b9\u6cd5<\/a><\/li>\n    <li><a href=\"#sec-02\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">02<\/span>&lt;u&gt;\u30bf\u30b0\u304c\u975e\u63a8\u5968\u3068\u3055\u308c\u308b3\u3064\u306e\u7406\u7531<\/a><\/li>\n    <li><a href=\"#sec-03\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">03<\/span>CSS\u3067\u4e0b\u7dda\u3092\u5f15\u304f3\u3064\u306e\u65b9\u6cd5<\/a><\/li>\n    <li><a href=\"#sec-04\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">04<\/span>\u4e0b\u7dda\u306e\u8272\u30fb\u592a\u3055\u30fb\u30b9\u30bf\u30a4\u30eb\u3092\u81ea\u5728\u306b\u5909\u3048\u308b<\/a><\/li>\n    <li><a href=\"#sec-05\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">05<\/span>\u30ea\u30f3\u30af\u306e\u4e0b\u7dda\u3092\u6d88\u3059\u30fb\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u65b9\u6cd5<\/a><\/li>\n    <li><a href=\"#sec-06\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">06<\/span>\u30db\u30d0\u30fc\u6642\u306b\u4e0b\u7dda\u304c\u30b9\u30c3\u3068\u4f38\u3073\u308b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u8868\u73fe<\/a><\/li>\n    <li><a href=\"#sec-07\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">07<\/span>\u300c\u69cb\u9020\u300d\u3068\u300c\u88c5\u98fe\u300d\u3092\u5206\u96e2\u3059\u308b\u3068\u3044\u3046HTML\/CSS\u306e\u5927\u539f\u5247<\/a><\/li>\n    <li><a href=\"#sec-08\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">08<\/span>\u5b9f\u52d9\u3067\u3088\u304f\u3042\u308b\u9593\u9055\u3044\u30d1\u30bf\u30fc\u30f3<\/a><\/li>\n    <li><a href=\"#sec-09\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">09<\/span>\u3010\u72ec\u81ea\u3011\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u300c\u5730\u5473\u306a\u8abf\u6574\u300d\u3092AI\u306b\u4efb\u305b\u308b<\/a><\/li>\n    <li><a href=\"#faq\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">FAQ<\/span>\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><\/li>\n  <\/ol>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u6587\u5b57\u306b\u4e0b\u7dda\u3092\u5f15\u304d\u305f\u3044\u3060\u3051\u306a\u306e\u306b\u3001&lt;u&gt;\u30bf\u30b0\u3092\u4f7f\u3046\u3068\u6012\u3089\u308c\u305f\u300d\u2014\u2014\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u5b66\u3073\u59cb\u3081\u305f\u65b9\u3084\u3001\u793e\u5185\u306eLP\u30fb\u8cc7\u6599\u3092HTML\u3067\u7d44\u3093\u3067\u3044\u308b\u65b9\u306e\u591a\u304f\u304c\u3001\u4e00\u5ea6\u306f\u3053\u306e\u58c1\u306b\u3076\u3064\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3057\u304b\u306b&lt;u&gt;\u30bf\u30b0\u3092\u4f7f\u3048\u3070\u4e00\u77ac\u3067\u4e0b\u7dda\u3092\u5f15\u3051\u307e\u3059\u3002\u3057\u304b\u3057\u3001Web\u5236\u4f5c\u306e\u73fe\u5834\u3067\u306f\u300c\u88c5\u98fe\u76ee\u7684\u3067&lt;u&gt;\u30bf\u30b0\u3092\u4f7f\u3046\u306e\u306f\u907f\u3051\u308b\u3079\u304d\u300d\u3068\u3044\u3046\u306e\u304c\u5171\u901a\u8a8d\u8b58\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3068\u306f\u3044\u3048\u3001\u305d\u306e\u7406\u7531\u3092\u304d\u3061\u3093\u3068\u8aac\u660e\u3067\u304d\u308b\u4eba\u306f\u610f\u5916\u3068\u591a\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001&lt;u&gt;\u30bf\u30b0\u304c\u306a\u305c\u975e\u63a8\u5968\u3068\u3055\u308c\u308b\u306e\u304b\u3068\u3044\u3046\u6839\u672c\u7684\u306a\u7406\u7531\u304b\u3089\u3001CSS\u306etext-decoration\u3084border-bottom\u3092\u4f7f\u3063\u305f\u6b63\u3057\u3044\u4e0b\u7dda\u306e\u4ed8\u3051\u65b9\u3001\u8272\u30fb\u592a\u3055\u30fb\u30b9\u30bf\u30a4\u30eb\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3001\u30ea\u30f3\u30af\u306e\u4e0b\u7dda\u306e\u6271\u3044\u65b9\u3001\u30db\u30d0\u30fc\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u307e\u3067\u3092\u4f53\u7cfb\u7684\u306b\u6574\u7406\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u5f8c\u534a\u3067\u306f\u3001\u3053\u3046\u3057\u305f<strong>\u300c\u5730\u5473\u3060\u3051\u3069\u5730\u5473\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u300dCSS\u8abf\u6574\u306e\u4f5c\u696d\u3092\u3001Claude Code\u306e\u3088\u3046\u306aAI\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u3069\u3046\u4efb\u305b\u3089\u308c\u308b\u304b<\/strong>\u3068\u3044\u3046\u5b9f\u52d9\u7684\u306a\u8996\u70b9\u3082\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">&lt;u&gt;\u30bf\u30b0\u306fHTML\u306e\u4ed5\u69d8\u3068\u3057\u3066\u4eca\u3082\u5b58\u5728\u3057\u3066\u3044\u307e\u3059\u3057\u3001\u30d6\u30e9\u30a6\u30b6\u3067\u3082\u666e\u901a\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u300c\u4f7f\u3063\u3066\u306f\u3044\u3051\u306a\u3044\u300d\u3068\u3044\u3046\u3088\u308a\u300c\u88c5\u98fe\u76ee\u7684\u3067\u306f\u4f7f\u3046\u3079\u304d\u3067\u306f\u306a\u3044\u300d\u3068\u3044\u3046\u306e\u304c\u6b63\u78ba\u306a\u7406\u89e3\u3067\u3059\u3002\u4eca\u65e5\u306f\u305d\u306e\u7dda\u5f15\u304d\u3092\u306f\u3063\u304d\u308a\u3055\u305b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/div>\n<\/div>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u5f0a\u793e\u3067\u3082LP\u3084\u8cc7\u6599\u3092\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3059\u308b\u6a5f\u4f1a\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u4e0b\u7dda\u4e00\u3064\u3068\u3063\u3066\u3082\u300c\u306a\u305cCSS\u3067\u66f8\u304f\u3079\u304d\u304b\u300d\u3092\u7406\u89e3\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3067\u3001\u5f8c\u3005\u306e\u4fdd\u5b88\u6027\u304c\u5927\u304d\u304f\u5909\u308f\u308a\u307e\u3059\u3002\u57fa\u790e\u3067\u3059\u304c\u3001\u610f\u5916\u3068\u5965\u304c\u6df1\u3044\u30c6\u30fc\u30de\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3092\u6700\u5f8c\u307e\u3067\u8aad\u3080\u3068\u3001\u6b21\u306e6\u3064\u304c\u660e\u78ba\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>&lt;u&gt;\u30bf\u30b0<\/strong>\u304c\u4eca\u3082\u6301\u3064\u672c\u6765\u306e\u5f79\u5272\u3068\u3001\u88c5\u98fe\u76ee\u7684\u3067\u4f7f\u3046\u3079\u304d\u3067\u306a\u3044\u7406\u7531<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>text-decoration<\/strong>\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u4e0b\u7dda\u3092\u5f15\u304f\u6b63\u3057\u3044\u66f8\u304d\u65b9<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>border-bottom<\/strong>\u3092\u4f7f\u3063\u305f\u3001\u3088\u308a\u67d4\u8edf\u306a\u4e0b\u7dda\u8868\u73fe\u306e\u30c6\u30af\u30cb\u30c3\u30af<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u4e0b\u7dda\u306e<strong>\u8272\u30fb\u592a\u3055\u30fb\u30b9\u30bf\u30a4\u30eb\uff08\u70b9\u7dda\u30fb\u6ce2\u7dda\u7b49\uff09<\/strong>\u3092\u81ea\u5728\u306b\u5909\u3048\u308b\u65b9\u6cd5<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u30ea\u30f3\u30af\u306e\u4e0b\u7dda<\/strong>\u3092\u6d88\u3059\u30fb\u30db\u30d0\u30fc\u6642\u3060\u3051\u8868\u793a\u3059\u308b\u7b49\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>Claude Code<\/strong>\u3092\u4f7f\u3063\u305fCSS\u8abf\u6574\u30fb\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u4f5c\u696d\u306e\u52b9\u7387\u5316\u65b9\u6cd5<\/span><\/div>\n\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=html-underline-tag&#038;blog_slug=html-underline-tag\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=html-underline-tag&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-01\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">01<\/span>\n  <span class=\"section-label\" style=\"display:block;\">U TAG BASICS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">&lt;u&gt;\u30bf\u30b0\u3068\u306f\uff1f\u4e0b\u7dda\u3092\u5f15\u304f\u6700\u3082\u539f\u59cb\u7684\u306a\u65b9\u6cd5<\/span>\n  <span class=\"section-desc\">HTML\u306e\u4ed5\u69d8\u3068\u3057\u3066\u4eca\u3082\u5b58\u5728\u3059\u308b\u300c\u6587\u5b57\u306b\u4e0b\u7dda\u3092\u5f15\u304f\u30bf\u30b0\u300d<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">&lt;u&gt;\u30bf\u30b0\u306f\u3001\u56f2\u3093\u3060\u30c6\u30ad\u30b9\u30c8\u306b\u4e0b\u7dda\u3092\u5f15\u304fHTML\u306e\u8981\u7d20\u3067\u3059\u3002\u66f8\u304d\u65b9\u306f\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30c6\u30ad\u30b9\u30c8\u3092\u631f\u3080\u3060\u3051\u3067\u4e0b\u7dda\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;border-radius:8px;padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:16px 0;\"><code>&lt;p&gt;\u3053\u306e\u90e8\u5206\u306b&lt;u&gt;\u4e0b\u7dda&lt;\/u&gt;\u304c\u5f15\u304b\u308c\u307e\u3059\u3002&lt;\/p&gt;<\/code><\/pre>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>&lt;u&gt;\u30bf\u30b0<\/strong>\uff1aHTML\u6a19\u6e96\u306b\u542b\u307e\u308c\u308b\u30a4\u30f3\u30e9\u30a4\u30f3\u8981\u7d20\u306e1\u3064\u3002\u304b\u3064\u3066\u306f\u5358\u7d14\u306b\u300c\u4e0b\u7dda\u3092\u5f15\u304f\u300d\u30bf\u30b0\u3068\u3057\u3066\u4f7f\u308f\u308c\u3066\u3044\u305f\u304c\u3001HTML5\u4ee5\u964d\u306f\u300c\u30b9\u30da\u30eb\u30df\u30b9\u3084\u56fa\u6709\u540d\u8a5e\u306a\u3069\u3001\u901a\u5e38\u3068\u306f\u7570\u306a\u308b\u6ce8\u91c8\u4ed8\u304d\u30c6\u30ad\u30b9\u30c8\u3092\u793a\u3059\u300d\u3068\u3044\u3046\u610f\u5473\u7684\u306a\u5f79\u5272\u306b\u518d\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u898b\u305f\u76ee\u4e0a\u306f\u975e\u5e38\u306b\u624b\u8efd\u306a&lt;u&gt;\u30bf\u30b0\u3067\u3059\u304c\u3001\u5b9f\u306fHTML5\u3067\u3053\u306e\u30bf\u30b0\u306e<strong>\u610f\u5473\uff08\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\uff09\u304c\u5927\u304d\u304f\u5909\u308f\u3063\u305f<\/strong>\u3068\u3044\u3046\u80cc\u666f\u304c\u3042\u308a\u307e\u3059\u3002\u304b\u3064\u3066\u306f\u5358\u7d14\u306a\u88c5\u98fe\u76ee\u7684\u306e\u30bf\u30b0\u3067\u3057\u305f\u304c\u3001\u73fe\u5728\u306e\u4ed5\u69d8\u3067\u306f\u300c\u6587\u6cd5\u7684\u306b\u6b63\u3057\u304f\u306a\u3044\u8a9e\u53e5\u300d\u300c\u56fa\u6709\u540d\u8a5e\u300d\u300c\u4e2d\u56fd\u8a9e\u306e\u56fa\u6709\u540d\u8a5e\u8868\u8a18\u300d\u306a\u3069\u3001<strong>\u7279\u6b8a\u306a\u6ce8\u91c8\u3092\u793a\u3059\u305f\u3081\u306e\u8981\u7d20<\/strong>\u3068\u3057\u3066\u518d\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:18px;\">&#128161;<\/span>\n    <strong style=\"color:#16a34a;font-size:15px;\">&lt;u&gt;\u30bf\u30b0\u306f\u5ec3\u6b62\u3055\u308c\u3066\u3044\u306a\u3044<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">&lt;u&gt;\u30bf\u30b0\u81ea\u4f53\u306f\u975e\u63a8\u5968\uff08deprecated\uff09\u3067\u306f\u306a\u304f\u3001HTML5\u306e\u73fe\u884c\u4ed5\u69d8\u306b\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u300c\u898b\u305f\u76ee\u306e\u88c5\u98fe\u3068\u3057\u3066\u4e0b\u7dda\u3092\u5f15\u304d\u305f\u3044\u3060\u3051\u300d\u3068\u3044\u3046\u7528\u9014\u306b\u306f\u3001\u672c\u6765\u306e\u610f\u5473\u3068\u30ba\u30ec\u304c\u751f\u3058\u308b\u305f\u3081\u63a8\u5968\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">1-1. \u4f3c\u3066\u3044\u308b\u30bf\u30b0\uff1a&lt;ins&gt;\u30bf\u30b0\u3068\u306e\u9055\u3044<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u7dda\u304c\u8868\u793a\u3055\u308c\u308b\u30bf\u30b0\u3068\u3057\u3066\u3001&lt;u&gt;\u30bf\u30b0\u3068\u3088\u304f\u6df7\u540c\u3055\u308c\u308b\u306e\u304c&lt;ins&gt;\u30bf\u30b0\u3067\u3059\u3002&lt;ins&gt;\u30bf\u30b0\u306f\u300c\u6587\u66f8\u306b\u5f8c\u304b\u3089\u633f\u5165\u3055\u308c\u305f\u7b87\u6240\u300d\u3092\u793a\u3059\u305f\u3081\u306e\u30bf\u30b0\u3067\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u6a19\u6e96\u30b9\u30bf\u30a4\u30eb\u3067\u306f\u540c\u3058\u3088\u3046\u306b\u4e0b\u7dda\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u30bf\u30b0<\/th><th>\u672c\u6765\u306e\u610f\u5473<\/th><th>\u6a19\u6e96\u30b9\u30bf\u30a4\u30eb\u3067\u306e\u898b\u305f\u76ee<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>&lt;u&gt;<\/td><td>\u901a\u5e38\u3068\u306f\u7570\u306a\u308b\u6ce8\u91c8\u4ed8\u304d\u30c6\u30ad\u30b9\u30c8\uff08\u30b9\u30da\u30eb\u30df\u30b9\u8868\u8a18\u7b49\uff09<\/td><td>\u4e0b\u7dda<\/td><\/tr>\n<tr><td>&lt;ins&gt;<\/td><td>\u6587\u66f8\u306b\u5f8c\u304b\u3089\u633f\u5165\u3055\u308c\u305f\u5185\u5bb9\uff08\u7de8\u96c6\u5c65\u6b74\u306e\u8868\u73fe\uff09<\/td><td>\u4e0b\u7dda<\/td><\/tr>\n<tr><td>&lt;s&gt;<\/td><td>\u3082\u306f\u3084\u6b63\u78ba\u30fb\u95a2\u9023\u6027\u304c\u306a\u304f\u306a\u3063\u305f\u5185\u5bb9<\/td><td>\u53d6\u308a\u6d88\u3057\u7dda<\/td><\/tr>\n<tr><td>&lt;mark&gt;<\/td><td>\u53c2\u7167\u30fb\u5f37\u8abf\u306e\u305f\u3081\u306b\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u305f\u7bc4\u56f2<\/td><td>\u80cc\u666f\u8272\u306b\u3088\u308b\u30cf\u30a4\u30e9\u30a4\u30c8<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8868\u304b\u3089\u3082\u5206\u304b\u308b\u901a\u308a\u3001\u898b\u305f\u76ee\u304c\u4f3c\u3066\u3044\u308b\u30bf\u30b0\u3067\u3082<strong>\u305d\u308c\u305e\u308c\u6301\u3063\u3066\u3044\u308b\u300c\u610f\u5473\u300d\u304c\u307e\u3063\u305f\u304f\u9055\u3044\u307e\u3059<\/strong>\u3002\u300c\u4e0b\u7dda\u304c\u5f15\u3051\u308c\u3070\u3069\u308c\u3067\u3082\u3044\u3044\u300d\u3068\u3044\u3046\u8003\u3048\u65b9\u3067\u30bf\u30b0\u3092\u9078\u3093\u3067\u3057\u307e\u3046\u3068\u3001\u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\u306a\u3069\u652f\u63f4\u6280\u8853\u3092\u4f7f\u3046\u30e6\u30fc\u30b6\u30fc\u306b\u8aa4\u3063\u305f\u60c5\u5831\u3092\u4f1d\u3048\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">&lt;u&gt;\u3068&lt;ins&gt;\u3001\u898b\u305f\u76ee\u304c\u540c\u3058\u3060\u304b\u3089\u3068\u3044\u3063\u3066\u4f7f\u3044\u5206\u3051\u3092\u30b5\u30dc\u3063\u3066\u3057\u307e\u3046\u3068\u3001\u5f8c\u3067\u300c\u306a\u305c\u3053\u306e\u30bf\u30b0\u3092\u4f7f\u3063\u305f\u306e\u304b\u300d\u3092\u8aac\u660e\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u610f\u5473\u306b\u5fdc\u3058\u3066\u30bf\u30b0\u3092\u9078\u3076\u30af\u30bb\u3092\u3064\u3051\u3066\u304a\u304f\u3068\u3001\u9577\u671f\u7684\u306b\u30b3\u30fc\u30c9\u306e\u8cea\u304c\u5b89\u5b9a\u3057\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=html-underline-tag&#038;blog_slug=html-underline-tag\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=html-underline-tag&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-02\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">02<\/span>\n  <span class=\"section-label\" style=\"display:block;\">WHY NOT<\/span>\n  <span class=\"section-title\" style=\"display:block;\">&lt;u&gt;\u30bf\u30b0\u304c\u975e\u63a8\u5968\u3068\u3055\u308c\u308b3\u3064\u306e\u7406\u7531<\/span>\n  <span class=\"section-desc\">\u88c5\u98fe\u76ee\u7684\u3067\u4f7f\u3046\u3068\u4f55\u304c\u554f\u984c\u306b\u306a\u308b\u306e\u304b\u3092\u6574\u7406\u3059\u308b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">&lt;u&gt;\u30bf\u30b0\u3092\u88c5\u98fe\u76ee\u7684\u3067\u4f7f\u3046\u3079\u304d\u3067\u306f\u306a\u3044\u3068\u8a00\u308f\u308c\u308b\u7406\u7531\u306f\u3001\u5927\u304d\u304f\u5206\u3051\u30663\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2-1. \u7406\u75311\uff1aHTML\u306e\u610f\u5473\u3068\u898b\u305f\u76ee\u306e\u610f\u56f3\u304c\u30ba\u30ec\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u524d\u7ae0\u3067\u89e6\u308c\u305f\u901a\u308a\u3001&lt;u&gt;\u30bf\u30b0\u672c\u6765\u306e\u610f\u5473\u306f\u300c\u901a\u5e38\u3068\u306f\u7570\u306a\u308b\u6ce8\u91c8\u4ed8\u304d\u30c6\u30ad\u30b9\u30c8\u300d\u3067\u3059\u3002\u5358\u306b\u898b\u305f\u76ee\u3092\u5f37\u8abf\u3057\u305f\u3044\u3060\u3051\u3067&lt;u&gt;\u30bf\u30b0\u3092\u4f7f\u3046\u3068\u3001<strong>HTML\u304c\u672c\u6765\u4f1d\u3048\u308b\u3079\u304d\u300c\u69cb\u9020\u4e0a\u306e\u610f\u5473\u300d\u3068\u3001\u5b9f\u969b\u306b\u3084\u308a\u305f\u3044\u3053\u3068\uff08\u88c5\u98fe\uff09\u304c\u30ba\u30ec\u3066\u3057\u307e\u3044\u307e\u3059<\/strong>\u3002\u3053\u308c\u306f\u3001\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u3084\u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\u306a\u3069\u3001HTML\u306e\u610f\u5473\u3092\u8aad\u307f\u53d6\u308b\u4ed5\u7d44\u307f\u306b\u8aa4\u3063\u305f\u60c5\u5831\u3092\u4e0e\u3048\u308b\u3053\u3068\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2-2. \u7406\u75312\uff1a\u30ea\u30f3\u30af\u306e\u4e0b\u7dda\u3068\u898b\u5206\u3051\u304c\u3064\u304b\u306a\u304f\u306a\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Web\u30da\u30fc\u30b8\u306b\u304a\u3044\u3066\u3001\u4e0b\u7dda\u306f\u4f1d\u7d71\u7684\u306b<strong>\u300c\u3053\u3053\u306f\u30ea\u30f3\u30af\u3067\u3059\u300d\u3068\u3044\u3046\u8996\u899a\u7684\u306a\u30b5\u30a4\u30f3<\/strong>\u3068\u3057\u3066\u5e83\u304f\u4f7f\u308f\u308c\u3066\u304d\u307e\u3057\u305f\u3002\u88c5\u98fe\u76ee\u7684\u3067&lt;u&gt;\u30bf\u30b0\u3092\u591a\u7528\u3059\u308b\u3068\u3001\u30ea\u30f3\u30af\u3067\u306f\u306a\u3044\u666e\u901a\u306e\u30c6\u30ad\u30b9\u30c8\u306b\u3082\u4e0b\u7dda\u304c\u5f15\u304b\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u300c\u3053\u308c\u306f\u30af\u30ea\u30c3\u30af\u3067\u304d\u308b\u306e\u304b\u300d\u3092\u5224\u65ad\u3057\u3065\u3089\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:20px;\">&#9888;&#65039;<\/span>\n    <strong style=\"color:#dc2626;font-size:16px;\">\u4e0b\u7dda\uff1d\u30ea\u30f3\u30af\u3068\u3044\u3046\u6697\u9ed9\u306e\u30eb\u30fc\u30eb<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u30e6\u30fc\u30b6\u30fc\u306fWeb\u30da\u30fc\u30b8\u3092\u898b\u308b\u3068\u304d\u3001\u7121\u610f\u8b58\u306b\u300c\u4e0b\u7dda\u304c\u5f15\u304b\u308c\u3066\u3044\u308b\u6587\u5b57\u306f\u30af\u30ea\u30c3\u30af\u3067\u304d\u308b\u300d\u3068\u5b66\u7fd2\u3057\u3066\u3044\u307e\u3059\u3002\u88c5\u98fe\u306e\u305f\u3081\u3060\u3051\u306b\u4e0b\u7dda\u3092\u591a\u7528\u3059\u308b\u3068\u3001\u3053\u306e\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306e\u524d\u63d0\u3092\u58ca\u3057\u3066\u3057\u307e\u3044\u3001\u8aa4\u30af\u30ea\u30c3\u30af\u3084\u64cd\u4f5c\u306e\u8ff7\u3044\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2-3. \u7406\u75313\uff1a\u30c7\u30b6\u30a4\u30f3\u306e\u5fae\u8abf\u6574\u304c\u3067\u304d\u306a\u3044<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">&lt;u&gt;\u30bf\u30b0\u3067\u8868\u793a\u3055\u308c\u308b\u4e0b\u7dda\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u6a19\u6e96\u306e\u30b9\u30bf\u30a4\u30eb\u306b\u4f9d\u5b58\u3059\u308b\u305f\u3081<strong>\u8272\u30fb\u592a\u3055\u30fb\u6587\u5b57\u3068\u306e\u9593\u9694\u306a\u3069\u3092\u7d30\u304b\u304f\u8abf\u6574\u3067\u304d\u307e\u305b\u3093<\/strong>\u3002\u5b9f\u52d9\u306eWeb\u5236\u4f5c\u3067\u306f\u300c\u3082\u3046\u5c11\u3057\u4e0b\u7dda\u3092\u6587\u5b57\u304b\u3089\u96e2\u3057\u305f\u3044\u300d\u300c\u592a\u3055\u30922px\u306b\u3057\u305f\u3044\u300d\u3068\u3044\u3063\u305f\u5fae\u8abf\u6574\u304c\u983b\u7e41\u306b\u767a\u751f\u3057\u307e\u3059\u304c\u3001&lt;u&gt;\u30bf\u30b0\u5358\u4f53\u3067\u306f\u3053\u308c\u3089\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>&lt;u&gt;\u30bf\u30b0\u306e\u672c\u6765\u306e\u610f\u5473\u3068\u3001\u88c5\u98fe\u3057\u305f\u3044\u610f\u56f3\u304c\u30ba\u30ec\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u30e6\u30fc\u30b6\u30fc\u304c\u4e0b\u7dda\u3092\u300c\u30ea\u30f3\u30af\u306e\u76ee\u5370\u300d\u3068\u8aa4\u8a8d\u3059\u308b\u30ea\u30b9\u30af\u304c\u3042\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u8272\u30fb\u592a\u3055\u30fb\u9593\u9694\u306a\u3069\u306e\u7d30\u304b\u3044\u30c7\u30b6\u30a4\u30f3\u8abf\u6574\u304c\u3067\u304d\u306a\u3044<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>HTML\u69cb\u9020\u3068CSS\u88c5\u98fe\u3092\u5206\u96e2\u3059\u308b\u3068\u3044\u3046Web\u5236\u4f5c\u306e\u57fa\u672c\u539f\u5247\u304b\u3089\u5916\u308c\u308b<\/span><\/div>\n\n<\/div>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u300c\u4e0b\u7dda\u304c\u5f15\u3051\u308c\u3070\u4f55\u3067\u3082\u3044\u3044\u300d\u3068\u601d\u3044\u304c\u3061\u3067\u3059\u304c\u3001Web\u30da\u30fc\u30b8\u306f\u4eba\u9593\u3060\u3051\u3067\u306a\u304f\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u3084\u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\u306b\u3082\u8aad\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30bf\u30b0\u306e\u610f\u5473\u3092\u6b63\u3057\u304f\u4f7f\u3046\u3053\u3068\u306f\u3001\u898b\u305f\u76ee\u4ee5\u4e0a\u306b\u5927\u4e8b\u306a\u8a71\u306a\u3093\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=html-underline-tag&#038;blog_slug=html-underline-tag\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=html-underline-tag&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-03\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">03<\/span>\n  <span class=\"section-label\" style=\"display:block;\">CSS METHODS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">CSS\u3067\u4e0b\u7dda\u3092\u5f15\u304f3\u3064\u306e\u65b9\u6cd5<\/span>\n  <span class=\"section-desc\">text-decoration\u30fbborder-bottom\u30fbbox-shadow\u306e\u4f7f\u3044\u5206\u3051<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u88c5\u98fe\u76ee\u7684\u3067\u4e0b\u7dda\u3092\u5f15\u304d\u305f\u3044\u5834\u5408\u306f\u3001HTML\u306e\u30bf\u30b0\u3067\u306f\u306a\u304f<strong>CSS<\/strong>\u3092\u4f7f\u3046\u306e\u304c\u6b63\u3057\u3044\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u4ee3\u8868\u7684\u306a3\u3064\u306e\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3-1. \u65b9\u6cd51\uff1atext-decoration\u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u6700\u3082\u57fa\u672c\u7684\u306a\u65b9\u6cd5\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u7dda\u3092\u5f15\u304f\u6700\u3082\u6a19\u6e96\u7684\u306a\u65b9\u6cd5\u304c\u3001<strong>text-decoration\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong>\u3067\u3059\u3002\u5024\u306bunderline\u3092\u6307\u5b9a\u3059\u308b\u3060\u3051\u3067\u3001&lt;u&gt;\u30bf\u30b0\u3068\u540c\u3058\u898b\u305f\u76ee\u306e\u4e0b\u7dda\u3092\u8868\u793a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;border-radius:8px;padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:16px 0;\"><code>.underline {\n  text-decoration: underline;\n}<\/code><\/pre>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>text-decoration<\/strong>\uff1a\u6587\u5b57\u306b\u5bfe\u3059\u308b\u88c5\u98fe\u7dda\uff08\u4e0b\u7dda\u30fb\u4e0a\u7dda\u30fb\u53d6\u308a\u6d88\u3057\u7dda\u306a\u3069\uff09\u3092\u6307\u5b9a\u3059\u308bCSS\u30d7\u30ed\u30d1\u30c6\u30a3\u3002underline\uff08\u4e0b\u7dda\uff09\u3001overline\uff08\u4e0a\u7dda\uff09\u3001line-through\uff08\u53d6\u308a\u6d88\u3057\u7dda\uff09\u3001none\uff08\u7dda\u306a\u3057\uff09\u306a\u3069\u306e\u5024\u3092\u6307\u5b9a\u3067\u304d\u308b\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">text-decoration\u306e\u6700\u5927\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u3001<strong>\u300c\u898b\u305f\u76ee\u306e\u88c5\u98fe\u300d\u3067\u3042\u308b\u3053\u3068\u304cCSS\u3068\u3044\u3046\u6b63\u3057\u3044\u5834\u6240\u306b\u66f8\u304b\u308c\u3066\u3044\u308b<\/strong>\u3068\u3044\u3046\u70b9\u3067\u3059\u3002HTML\u5074\u306f&lt;span&gt;\u3084&lt;p&gt;\u306e\u3088\u3046\u306a\u610f\u5473\u7684\u306b\u30cb\u30e5\u30fc\u30c8\u30e9\u30eb\u306a\u8981\u7d20\u306e\u307e\u307e\u306b\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3-2. \u65b9\u6cd52\uff1aborder-bottom\u30d7\u30ed\u30d1\u30c6\u30a3\uff08\u3088\u308a\u67d4\u8edf\u306a\u4e0b\u7dda\u8868\u73fe\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">text-decoration\u3088\u308a\u3082\u3055\u3089\u306b<strong>\u30c7\u30b6\u30a4\u30f3\u306e\u81ea\u7531\u5ea6\u304c\u9ad8\u3044\u65b9\u6cd5<\/strong>\u304c\u3001border-bottom\uff08\u4e0b\u5074\u306e\u67a0\u7dda\uff09\u3092\u4f7f\u3046\u30c6\u30af\u30cb\u30c3\u30af\u3067\u3059\u3002<\/p>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;border-radius:8px;padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:16px 0;\"><code>.underline-border {\n  border-bottom: 2px solid #dc2626;\n  padding-bottom: 2px;\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">border-bottom\u3092\u4f7f\u3046\u6700\u5927\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u3001<strong>\u4e0b\u7dda\u3068\u6587\u5b57\u306e\u9593\u9694\uff08padding-bottom\uff09\u3092\u81ea\u7531\u306b\u8abf\u6574\u3067\u304d\u308b<\/strong>\u70b9\u3067\u3059\u3002text-decoration\u306e\u4e0b\u7dda\u306f\u6587\u5b57\u306e\u3059\u3050\u4e0b\u306b\u3074\u3063\u305f\u308a\u4ed8\u304d\u307e\u3059\u304c\u3001border-bottom\u306a\u3089\u300c\u6587\u5b57\u304b\u3089\u3084\u3084\u96e2\u308c\u305f\u4f4d\u7f6e\u306b\u592a\u3081\u306e\u7dda\u3092\u5f15\u304f\u300d\u3068\u3044\u3063\u305f\u3001\u30c7\u30b6\u30a4\u30f3\u6027\u306e\u9ad8\u3044\u8868\u73fe\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u65b9\u6cd5<\/th><th>\u9593\u9694\u306e\u8abf\u6574<\/th><th>\u8907\u6570\u884c\u30c6\u30ad\u30b9\u30c8\u3067\u306e\u898b\u305f\u76ee<\/th><th>\u3053\u3093\u306a\u5834\u9762\u306b\u5411\u3044\u3066\u3044\u308b<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>text-decoration<\/td><td>\u57fa\u672c\u7684\u306b\u4e0d\u53ef\uff08\u4e00\u90e8\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u8abf\u6574\u53ef\uff09<\/td><td>\u5404\u884c\u306e\u6587\u5b57\u306e\u4e0b\u306b\u304d\u308c\u3044\u306b\u6cbf\u3046<\/td><td>\u672c\u6587\u4e2d\u306e\u4e00\u822c\u7684\u306a\u4e0b\u7dda\u8868\u73fe<\/td><\/tr>\n<tr><td>border-bottom<\/td><td>\u81ea\u7531\u306b\u8abf\u6574\u53ef\u80fd\uff08padding-bottom\u3067\u5236\u5fa1\uff09<\/td><td>\u30a4\u30f3\u30e9\u30a4\u30f3\u8981\u7d20\u306f\u6298\u308a\u8fd4\u3057\u305f\u884c\u3054\u3068\u306b\u7dda\u304c\u5165\u308b\uff08text-decoration\u3068\u540c\u69d8\uff09\u3002\u5358\u4e00\u884c\u306e\u30d6\u30ed\u30c3\u30af\u8981\u7d20\uff08\u898b\u51fa\u3057\u30fb\u30dc\u30bf\u30f3\u7b49\uff09\u306a\u30891\u672c\u306e\u7dda\u3068\u3057\u3066\u898b\u3048\u308b<\/td><td>\u898b\u51fa\u3057\u30fb\u30dc\u30bf\u30f3\u98a8\u306e\u88c5\u98fe\u7684\u306a\u4e0b\u7dda<\/td><\/tr>\n<tr><td>box-shadow<\/td><td>inset\u6307\u5b9a\u3067\u304b\u306a\u308a\u81ea\u7531\u306b\u8abf\u6574\u53ef\u80fd<\/td><td>\u540c\u4e0a\uff08\u8907\u6570\u884c\u306e\u30a4\u30f3\u30e9\u30a4\u30f3\u8981\u7d20\u3067\u306f\u884c\u3054\u3068\u306b\u7dda\u304c\u5165\u308b\u3002\u898b\u51fa\u3057\u30fb\u30dc\u30bf\u30f3\u7b49\u306e\u5358\u4e00\u884c\u30d6\u30ed\u30c3\u30af\u3067\u306e\u4f7f\u7528\u304c\u5411\u304f\uff09<\/td><td>\u7279\u6b8a\u306a\u8cea\u611f\u30fb\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u4e0b\u7dda<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h3 class=\"wp-block-heading\">3-3. \u65b9\u6cd53\uff1abox-shadow\u3092\u4f7f\u3063\u305f\u5fdc\u7528\u7684\u306a\u4e0b\u7dda\u8868\u73fe<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3084\u3084\u4e0a\u7d1a\u8005\u5411\u3051\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3067\u3059\u304c\u3001box-shadow\u306einset\uff08\u5185\u5074\u5f71\uff09\u6307\u5b9a\u3092\u4f7f\u3063\u3066\u3082\u4e0b\u7dda\u306e\u3088\u3046\u306a\u8868\u73fe\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;border-radius:8px;padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:16px 0;\"><code>.underline-shadow {\n  box-shadow: inset 0 -3px 0 0 #dc2626;\n}<\/code><\/pre>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:18px;\">&#128161;<\/span>\n    <strong style=\"color:#16a34a;font-size:15px;\">\u3069\u306e\u65b9\u6cd5\u3092\u9078\u3076\u3079\u304d\u304b<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u30b7\u30f3\u30d7\u30eb\u306a\u672c\u6587\u4e2d\u306e\u4e0b\u7dda\u306a\u3089text-decoration\u3001\u898b\u51fa\u3057\u3084\u30dc\u30bf\u30f3\u306a\u3069\u88c5\u98fe\u6027\u306e\u9ad8\u3044\u4e0b\u7dda\u304c\u6b32\u3057\u3044\u5834\u5408\u306fborder-bottom\u3092\u4f7f\u3046\u306e\u304c\u5b9f\u52d9\u7684\u306a\u4f7f\u3044\u5206\u3051\u3067\u3059\u3002box-shadow\u306f\u7279\u6b8a\u306a\u8cea\u611f\u3092\u51fa\u3057\u305f\u3044\u5834\u5408\u306e\u5fdc\u7528\u30c6\u30af\u30cb\u30c3\u30af\u3068\u3057\u3066\u899a\u3048\u3066\u304a\u304f\u7a0b\u5ea6\u3067\u5341\u5206\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>text-decoration<\/strong><br><span style=\"font-size:12px;\">\u6700\u3082\u57fa\u672c\u7684\u306a<br>\u4e0b\u7dda\u8868\u73fe<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>border-bottom<\/strong><br><span style=\"font-size:12px;\">\u9593\u9694\u3092\u81ea\u7531\u306b<br>\u8abf\u6574\u3067\u304d\u308b<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>box-shadow<\/strong><br><span style=\"font-size:12px;\">\u5fdc\u7528\u7684\u306a<br>\u8cea\u611f\u8868\u73fe<\/span><\/div>\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u5b9f\u52d9\u3067\u306f9\u5272\u4ee5\u4e0a\u306e\u30b1\u30fc\u30b9\u3067text-decoration\u304bborder-bottom\u306e\u3069\u3061\u3089\u304b\u3067\u4e8b\u8db3\u308a\u307e\u3059\u3002\u307e\u305a\u306f\u3053\u306e2\u3064\u306e\u4f7f\u3044\u5206\u3051\u3060\u3051\u899a\u3048\u3066\u304a\u3051\u3070\u5341\u5206\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=html-underline-tag&#038;blog_slug=html-underline-tag\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=html-underline-tag&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-04\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">04<\/span>\n  <span class=\"section-label\" style=\"display:block;\">CUSTOMIZE<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u4e0b\u7dda\u306e\u8272\u30fb\u592a\u3055\u30fb\u30b9\u30bf\u30a4\u30eb\u3092\u81ea\u5728\u306b\u5909\u3048\u308b<\/span>\n  <span class=\"section-desc\">text-decoration\u95a2\u9023\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u7d30\u90e8\u307e\u3067\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">text-decoration\u306b\u306f\u3001\u4e0b\u7dda\u306e\u8272\u30fb\u592a\u3055\u30fb\u7dda\u306e\u30b9\u30bf\u30a4\u30eb\uff08\u70b9\u7dda\u30fb\u6ce2\u7dda\u7b49\uff09\u3092\u305d\u308c\u305e\u308c\u500b\u5225\u306b\u6307\u5b9a\u3067\u304d\u308b<strong>\u95a2\u9023\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong>\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4-1. \u4e0b\u7dda\u306e\u8272\u3092\u5909\u3048\u308b\uff1atext-decoration-color<\/h3>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;border-radius:8px;padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:16px 0;\"><code>.underline-colored {\n  text-decoration: underline;\n  text-decoration-color: #dc2626;\n}<\/code><\/pre>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>text-decoration-color<\/strong>\uff1a\u4e0b\u7dda\u30fb\u4e0a\u7dda\u30fb\u53d6\u308a\u6d88\u3057\u7dda\u306e\u300c\u8272\u300d\u3060\u3051\u3092\u500b\u5225\u306b\u6307\u5b9a\u3059\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u3002\u6587\u5b57\u8272\uff08color\uff09\u3068\u306f\u72ec\u7acb\u3057\u3066\u6307\u5b9a\u3067\u304d\u308b\u305f\u3081\u3001\u300c\u6587\u5b57\u306f\u9ed2\u306e\u307e\u307e\u3001\u4e0b\u7dda\u3060\u3051\u8d64\u304f\u3059\u308b\u300d\u3068\u3044\u3063\u305f\u8868\u73fe\u304c\u53ef\u80fd\u306b\u306a\u308b\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u3046\u3068\u3001<strong>\u6587\u5b57\u306e\u8272\u306f\u305d\u306e\u307e\u307e\u306b\u3001\u4e0b\u7dda\u3060\u3051\u3092\u5225\u306e\u8272\u306b\u3059\u308b<\/strong>\u3068\u3044\u3046\u8868\u73fe\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u300c\u91cd\u8981\u306a\u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u6587\u5b57\u8272\u306f\u5909\u3048\u305a\u306b\u3001\u8d64\u3044\u4e0b\u7dda\u3060\u3051\u3092\u5f15\u3044\u3066\u6ce8\u76ee\u3055\u305b\u305f\u3044\u300d\u3068\u3044\u3046\u30b1\u30fc\u30b9\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4-2. \u4e0b\u7dda\u306e\u592a\u3055\u3092\u5909\u3048\u308b\uff1atext-decoration-thickness<\/h3>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;border-radius:8px;padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:16px 0;\"><code>.underline-thick {\n  text-decoration: underline;\n  text-decoration-thickness: 3px;\n  text-underline-offset: 4px;\n}<\/code><\/pre>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>text-underline-offset<\/strong>\uff1a\u4e0b\u7dda\u3068\u6587\u5b57\u306e\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\uff08\u6587\u5b57\u306e\u4e0b\u7aef\uff09\u3068\u306e\u9593\u9694\u3092\u6307\u5b9a\u3059\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u3002\u5024\u3092\u5927\u304d\u304f\u3059\u308b\u307b\u3069\u3001\u4e0b\u7dda\u304c\u6587\u5b57\u304b\u3089\u96e2\u308c\u305f\u4f4d\u7f6e\u306b\u8868\u793a\u3055\u308c\u308b\u3002\u592a\u3044\u4e0b\u7dda\u3092\u5f15\u304f\u969b\u3001\u6587\u5b57\u306b\u3081\u308a\u8fbc\u307e\u306a\u3044\u3088\u3046\u8abf\u6574\u3059\u308b\u306e\u306b\u4f7f\u3046\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u592a\u3055\u3092\u6307\u5b9a\u3059\u308btext-decoration-thickness\u3068\u3001\u9593\u9694\u3092\u6307\u5b9a\u3059\u308btext-underline-offset\u306f<strong>\u30bb\u30c3\u30c8\u3067\u4f7f\u3046\u306e\u304c\u5b9f\u52d9\u4e0a\u306e\u30b3\u30c4<\/strong>\u3067\u3059\u3002\u592a\u3055\u3060\u3051\u3092\u5927\u304d\u304f\u3059\u308b\u3068\u4e0b\u7dda\u304c\u6587\u5b57\u306b\u91cd\u306a\u3063\u3066\u8aad\u307f\u306b\u304f\u304f\u306a\u308b\u305f\u3081\u3001offset\u3067\u9069\u5ea6\u306a\u4f59\u767d\u3092\u4f5c\u308b\u3053\u3068\u3067\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308c\u305f\u898b\u305f\u76ee\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4-3. \u7dda\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u5909\u3048\u308b\uff1atext-decoration-style<\/h3>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;border-radius:8px;padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:16px 0;\"><code>.underline-dotted {\n  text-decoration: underline;\n  text-decoration-style: dotted;\n}\n.underline-wavy {\n  text-decoration: underline;\n  text-decoration-style: wavy;\n}<\/code><\/pre>\n\n\n\n<table>\n<thead><tr><th>text-decoration-style\u306e\u5024<\/th><th>\u898b\u305f\u76ee<\/th><th>\u4e3b\u306a\u7528\u9014<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>solid\uff08\u521d\u671f\u5024\uff09<\/td><td>\u5b9f\u7dda<\/td><td>\u4e00\u822c\u7684\u306a\u4e0b\u7dda\u8868\u73fe<\/td><\/tr>\n<tr><td>double<\/td><td>\u4e8c\u91cd\u7dda<\/td><td>\u5f37\u8abf\u3057\u305f\u3044\u898b\u51fa\u3057\u7b49<\/td><\/tr>\n<tr><td>dotted<\/td><td>\u70b9\u7dda<\/td><td>\u6ce8\u91c8\u30fb\u88dc\u8db3\u306e\u30cb\u30e5\u30a2\u30f3\u30b9<\/td><\/tr>\n<tr><td>dashed<\/td><td>\u7834\u7dda<\/td><td>\u5883\u754c\u30fb\u533a\u5207\u308a\u306e\u30cb\u30e5\u30a2\u30f3\u30b9<\/td><\/tr>\n<tr><td>wavy<\/td><td>\u6ce2\u7dda<\/td><td>\u30b9\u30da\u30eb\u30df\u30b9\u306e\u6307\u6458\u8868\u73fe\uff08\u30a8\u30c7\u30a3\u30bf\u98a8\uff09<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:20px;\">&#9888;&#65039;<\/span>\n    <strong style=\"color:#dc2626;font-size:16px;\">\u4e00\u62ec\u6307\u5b9a\u3068\u500b\u5225\u6307\u5b9a\u306e\u66f8\u304d\u9806\u306b\u6ce8\u610f<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">text-decoration: underline red wavy; \u306e\u3088\u3046\u306b\u4e00\u62ec\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002text-decoration-line\uff0fstyle\uff0fcolor\u306e\u5404\u5024\u306f\u578b\u304c\u7570\u306a\u308b\u305f\u3081\u9806\u5e8f\u306f\u81ea\u7531\u306b\u66f8\u3051\u307e\u3059\u304c\u3001\u521d\u898b\u3067\u306f\u300c\u3069\u306e\u5024\u304c\u4f55\u3092\u6307\u3057\u3066\u3044\u308b\u304b\u300d\u304c\u5206\u304b\u308a\u306b\u304f\u3044\u3068\u3044\u3046\u6b20\u70b9\u304c\u3042\u308a\u307e\u3059\u3002\u6163\u308c\u306a\u3044\u3046\u3061\u306ftext-decoration-color \/ -style \/ -thickness\u3092\u500b\u5225\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u6307\u5b9a\u3059\u308b\u65b9\u304c\u3001\u610f\u56f3\u304c\u660e\u78ba\u3067\u30c8\u30e9\u30d6\u30eb\u3082\u8d77\u304d\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">4-4. \u4e00\u62ec\u6307\u5b9a\u3067\u307e\u3068\u3081\u3066\u66f8\u304f\u65b9\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u500b\u5225\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u6163\u308c\u3066\u304d\u305f\u3089\u3001text-decoration\u30d7\u30ed\u30d1\u30c6\u30a31\u884c\u306b\u307e\u3068\u3081\u3066\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;border-radius:8px;padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:16px 0;\"><code>.underline-shorthand {\n  text-decoration: underline wavy #dc2626 2px;\n}<\/code><\/pre>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:18px;\">&#128161;<\/span>\n    <strong style=\"color:#16a34a;font-size:15px;\">\u30c1\u30fc\u30e0\u3067\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u306a\u3089\u500b\u5225\u6307\u5b9a\u304c\u304a\u3059\u3059\u3081<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u4e00\u62ec\u6307\u5b9a\uff08\u30b7\u30e7\u30fc\u30c8\u30cf\u30f3\u30c9\uff09\u306f\u30b3\u30fc\u30c9\u91cf\u3092\u6e1b\u3089\u305b\u308b\u4e00\u65b9\u3001\u5f8c\u304b\u3089\u8aad\u3093\u3060\u4eba\u304c\u300c\u3069\u306e\u5024\u304c\u4f55\u3092\u6307\u3057\u3066\u3044\u308b\u304b\u300d\u3092\u8aad\u307f\u89e3\u304d\u306b\u304f\u3044\u3068\u3044\u3046\u6b20\u70b9\u3082\u3042\u308a\u307e\u3059\u3002\u8907\u6570\u4eba\u3067\u30b3\u30fc\u30c9\u3092\u89e6\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u500b\u5225\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u660e\u793a\u7684\u306b\u66f8\u304f\u65b9\u304c\u4fdd\u5b88\u3057\u3084\u3059\u3044\u30b1\u30fc\u30b9\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u4e0b\u7dda\u4e00\u3064\u3067\u3082\u3001\u8272\u30fb\u592a\u3055\u30fb\u30b9\u30bf\u30a4\u30eb\u307e\u3067\u7d30\u304b\u304f\u8abf\u6574\u3067\u304d\u308b\u3068\u77e5\u308b\u3068\u300c\u610f\u5916\u3068\u5965\u304c\u6df1\u3044\u3093\u3060\u306a\u300d\u3068\u611f\u3058\u307e\u305b\u3093\u304b\u3002\u5730\u5473\u306a\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u304c\u3001LP\u306e\u30c7\u30b6\u30a4\u30f3\u306e\u5b8c\u6210\u5ea6\u3092\u5de6\u53f3\u3059\u308b\u8981\u7d20\u306e\u4e00\u3064\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=html-underline-tag&#038;blog_slug=html-underline-tag\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=html-underline-tag&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-05\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">05<\/span>\n  <span class=\"section-label\" style=\"display:block;\">LINKS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u30ea\u30f3\u30af\u306e\u4e0b\u7dda\u3092\u6d88\u3059\u30fb\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u65b9\u6cd5<\/span>\n  <span class=\"section-desc\">a\u8981\u7d20\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u4e0b\u7dda\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">&lt;a&gt;\u30bf\u30b0\uff08\u30ea\u30f3\u30af\uff09\u306b\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u6a19\u6e96\u30b9\u30bf\u30a4\u30eb\u3068\u3057\u3066<strong>\u81ea\u52d5\u7684\u306b\u4e0b\u7dda\u304c\u8868\u793a\u3055\u308c\u308b<\/strong>\u4ed5\u69d8\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30b6\u30a4\u30f3\u306b\u3088\u3063\u3066\u306f\u3001\u3053\u306e\u4e0b\u7dda\u3092\u6d88\u3057\u305f\u3044\u3001\u3042\u308b\u3044\u306f\u30db\u30d0\u30fc\u6642\u3060\u3051\u8868\u793a\u3057\u305f\u3044\u3001\u3068\u3044\u3046\u30b1\u30fc\u30b9\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5-1. \u30ea\u30f3\u30af\u306e\u4e0b\u7dda\u3092\u6d88\u3059<\/h3>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;border-radius:8px;padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:16px 0;\"><code>a {\n  text-decoration: none;\n}<\/code><\/pre>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:20px;\">&#9888;&#65039;<\/span>\n    <strong style=\"color:#dc2626;font-size:16px;\">\u4e0b\u7dda\u3092\u6d88\u3059\u969b\u306f\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306b\u914d\u616e\u3059\u308b<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u30ea\u30f3\u30af\u306e\u4e0b\u7dda\u3092\u5b8c\u5168\u306b\u6d88\u3057\u3066\u3057\u307e\u3046\u3068\u3001\u8272\u306e\u9055\u3044\u3060\u3051\u304c\u300c\u30af\u30ea\u30c3\u30af\u3067\u304d\u308b\u300d\u3053\u3068\u3092\u793a\u3059\u552f\u4e00\u306e\u624b\u304c\u304b\u308a\u306b\u306a\u308a\u307e\u3059\u3002\u8272\u899a\u7279\u6027\u306b\u3088\u3063\u3066\u306f\u8272\u306e\u9055\u3044\u306b\u6c17\u3065\u304d\u306b\u304f\u3044\u30e6\u30fc\u30b6\u30fc\u3082\u3044\u308b\u305f\u3081\u3001\u4e0b\u7dda\u3092\u6d88\u3059\u5834\u5408\u306f\u30dc\u30bf\u30f3\u98a8\u306e\u30c7\u30b6\u30a4\u30f3\u306b\u3059\u308b\u30fb\u30db\u30d0\u30fc\u6642\u306b\u5225\u306e\u8996\u899a\u5909\u5316\u3092\u52a0\u3048\u308b\u7b49\u3001\u4ed6\u306e\u624b\u6bb5\u3067\u30ea\u30f3\u30af\u3060\u3068\u5206\u304b\u308b\u3088\u3046\u914d\u616e\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">5-2. \u30db\u30d0\u30fc\u6642\u3060\u3051\u4e0b\u7dda\u3092\u8868\u793a\u3059\u308b<\/h3>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;border-radius:8px;padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:16px 0;\"><code>a {\n  text-decoration: none;\n}\na:hover {\n  text-decoration: underline;\n}<\/code><\/pre>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>:hover\u64ec\u4f3c\u30af\u30e9\u30b9<\/strong>\uff1a\u30de\u30a6\u30b9\u30ab\u30fc\u30bd\u30eb\u304c\u8981\u7d20\u306e\u4e0a\u306b\u4e57\u3063\u3066\u3044\u308b\uff08\u30db\u30d0\u30fc\u3057\u3066\u3044\u308b\uff09\u72b6\u614b\u306b\u3060\u3051\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3059\u308bCSS\u306e\u64ec\u4f3c\u30af\u30e9\u30b9\u3002\u30ea\u30f3\u30af\u3084\u30dc\u30bf\u30f3\u306e\u300c\u89e6\u308c\u305f\u3068\u304d\u306e\u53cd\u5fdc\u300d\u3092\u8868\u73fe\u3059\u308b\u306e\u306b\u4f7f\u308f\u308c\u308b\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u66f8\u304d\u65b9\u306f\u3001<strong>\u666e\u6bb5\u306f\u3059\u3063\u304d\u308a\u3057\u305f\u898b\u305f\u76ee\u306b\u3057\u3064\u3064\u3001\u30de\u30a6\u30b9\u3092\u4e57\u305b\u305f\u3068\u304d\u3060\u3051\u300c\u30af\u30ea\u30c3\u30af\u3067\u304d\u308b\u300d\u3053\u3068\u3092\u4f1d\u3048\u308b<\/strong>\u3001\u30d0\u30e9\u30f3\u30b9\u306e\u826f\u3044\u5b9f\u88c5\u3068\u3057\u3066\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5-3. \u4e00\u90e8\u306e\u30ea\u30f3\u30af\u3060\u3051\u4e0b\u7dda\u3092\u7dad\u6301\u3057\u305f\u3044\u5834\u5408<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b5\u30a4\u30c8\u5168\u4f53\u3067\u30ea\u30f3\u30af\u306e\u4e0b\u7dda\u3092\u6d88\u3059\u8a2d\u5b9a\u306b\u3057\u3064\u3064\u3001<strong>\u672c\u6587\u4e2d\u306e\u6587\u4e2d\u30ea\u30f3\u30af\u3060\u3051\u306f\u4e0b\u7dda\u3092\u6b8b\u3057\u305f\u3044<\/strong>\u3001\u3068\u3044\u3046\u30b1\u30fc\u30b9\u3082\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u306f\u30af\u30e9\u30b9\u3092\u4f7f\u3063\u3066\u500b\u5225\u306b\u4e0a\u66f8\u304d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;border-radius:8px;padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:16px 0;\"><code>\/* \u30b5\u30a4\u30c8\u5168\u4f53\uff1a\u4e0b\u7dda\u306a\u3057 *\/\na {\n  text-decoration: none;\n}\n\n\/* \u672c\u6587\u4e2d\u306e\u6587\u4e2d\u30ea\u30f3\u30af\u3060\u3051\u4e0b\u7dda\u3092\u6b8b\u3059 *\/\n.article-body a {\n  text-decoration: underline;\n  text-decoration-color: #dc2626;\n}<\/code><\/pre>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:18px;\">&#128161;<\/span>\n    <strong style=\"color:#16a34a;font-size:15px;\">\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u3068\u672c\u6587\u30ea\u30f3\u30af\u306f\u30eb\u30fc\u30eb\u3092\u5206\u3051\u308b\u306e\u304c\u5b9a\u77f3<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u30b0\u30ed\u30fc\u30d0\u30eb\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u3084\u30dc\u30bf\u30f3\u5316\u3055\u308c\u305f\u30ea\u30f3\u30af\u306f\u4e0b\u7dda\u306a\u3057\u3001\u8a18\u4e8b\u672c\u6587\u4e2d\u306e\u6587\u4e2d\u30ea\u30f3\u30af\u306f\u4e0b\u7dda\u3042\u308a\u3001\u3068\u3044\u3046\u30eb\u30fc\u30eb\u3067\u4f7f\u3044\u5206\u3051\u308b\u30b5\u30a4\u30c8\u304c\u591a\u304f\u898b\u3089\u308c\u307e\u3059\u3002\u300c\u898b\u305f\u76ee\u306e\u7d71\u4e00\u611f\u300d\u3068\u300c\u30af\u30ea\u30c3\u30af\u3067\u304d\u308b\u3053\u3068\u306e\u5206\u304b\u308a\u3084\u3059\u3055\u300d\u3092\u4e21\u7acb\u3055\u305b\u308b\u305f\u3081\u306e\u4e00\u822c\u7684\u306a\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u30ea\u30f3\u30af\u306e\u4e0b\u7dda\u3092\u3069\u3046\u6271\u3046\u304b\u306f\u3001\u5b9f\u306f\u30b5\u30a4\u30c8\u5168\u4f53\u306eUX\u30c7\u30b6\u30a4\u30f3\u306b\u95a2\u308f\u308b\u610f\u601d\u6c7a\u5b9a\u3067\u3059\u3002\u300c\u6d88\u3059\u30fb\u6b8b\u3059\u300d\u3092\u611f\u899a\u3060\u3051\u3067\u6c7a\u3081\u305a\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30af\u30ea\u30c3\u30af\u3067\u304d\u308b\u3053\u3068\u306b\u6c17\u3065\u3051\u308b\u304b\u3068\u3044\u3046\u8996\u70b9\u3067\u5224\u65ad\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=html-underline-tag&#038;blog_slug=html-underline-tag\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=html-underline-tag&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-06\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">06<\/span>\n  <span class=\"section-label\" style=\"display:block;\">HOVER ANIMATION<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u30db\u30d0\u30fc\u6642\u306b\u4e0b\u7dda\u304c\u30b9\u30c3\u3068\u4f38\u3073\u308b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u8868\u73fe<\/span>\n  <span class=\"section-desc\">transition\u3092\u4f7f\u3063\u305f\u52d5\u304d\u306e\u3042\u308b\u4e0b\u7dda\u6f14\u51fa<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd1\u5e74\u306eWeb\u30b5\u30a4\u30c8\u3067\u3088\u304f\u898b\u304b\u3051\u308b\u3001<strong>\u30db\u30d0\u30fc\u6642\u306b\u4e0b\u7dda\u304c\u5de6\u304b\u3089\u53f3\u3078\u30b9\u30c3\u3068\u4f38\u3073\u308b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/strong>\u3082\u3001CSS\u3060\u3051\u3067\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre style=\"background:#1a1a1a;color:#e5e5e5;border-radius:8px;padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:16px 0;\"><code>.animated-underline {\n  position: relative;\n  text-decoration: none;\n}\n.animated-underline::after {\n  content: \"\";\n  position: absolute;\n  left: 0;\n  bottom: -2px;\n  width: 0;\n  height: 2px;\n  background-color: #dc2626;\n  transition: width 0.3s ease;\n}\n.animated-underline:hover::after {\n  width: 100%;\n}<\/code><\/pre>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>::after\u64ec\u4f3c\u8981\u7d20<\/strong>\uff1a\u5b9f\u969b\u306b\u306fHTML\u4e0a\u306b\u5b58\u5728\u3057\u306a\u3044\u300c\u7591\u4f3c\u7684\u306a\u8981\u7d20\u300d\u3092CSS\u3060\u3051\u3067\u751f\u6210\u3059\u308b\u4ed5\u7d44\u307f\u3002\u3053\u3053\u3067\u306f\u4e0b\u7dda\u3068\u3057\u3066\u632f\u308b\u821e\u3046\u5c0f\u3055\u306a\u56db\u89d2\u5f62\u3092\u3001\u6587\u5b57\u306e\u4e0b\u306b\u8ffd\u52a0\u3057\u3066\u3044\u308b\u3002CSS\u3060\u3051\u3067\u88c5\u98fe\u7528\u306e\u8981\u7d20\u3092\u4f5c\u308c\u308b\u305f\u3081\u3001\u4f59\u8a08\u306aHTML\u30bf\u30b0\u3092\u5897\u3084\u3055\u305a\u306b\u6e08\u3080\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4ed5\u7d44\u307f\u3067\u306f\u3001::after\u64ec\u4f3c\u8981\u7d20\u3067\u5e450\u306e\u7d30\u3044\u5e2f\u3092\u7528\u610f\u3057\u3066\u304a\u304d\u3001\u30db\u30d0\u30fc\u6642\u306bwidth\u3092100%\u306b\u5909\u5316\u3055\u305b\u308b\u3053\u3068\u3067<strong>\u300c\u4e0b\u7dda\u304c\u4f38\u3073\u308b\u300d\u3088\u3046\u306b\u898b\u305b\u304b\u3051\u3066<\/strong>\u3044\u307e\u3059\u3002transition\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u3001\u3053\u306e\u5909\u5316\u3092\u6ed1\u3089\u304b\u306a\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306b\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6-1. transition\u306e\u52d5\u304d\u65b9\u3092\u8abf\u6574\u3059\u308b<\/h3>\n\n\n\n<table>\n<thead><tr><th>transition\u306e\u5024<\/th><th>\u52d5\u304d\u306e\u5370\u8c61<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>ease\uff08\u6a19\u6e96\uff09<\/td><td>\u81ea\u7136\u306a\u52a0\u6e1b\u901f\u3002\u591a\u304f\u306e\u5834\u9762\u3067\u9055\u548c\u611f\u304c\u306a\u3044<\/td><\/tr>\n<tr><td>linear<\/td><td>\u4e00\u5b9a\u901f\u5ea6\u3002\u6a5f\u68b0\u7684\u3067\u30b7\u30f3\u30d7\u30eb\u306a\u5370\u8c61<\/td><\/tr>\n<tr><td>ease-in-out<\/td><td>\u3086\u3063\u304f\u308a\u59cb\u307e\u308a\u3086\u3063\u304f\u308a\u7d42\u308f\u308b\u3001\u4e01\u5be7\u306a\u5370\u8c61<\/td><\/tr>\n<tr><td>cubic-bezier(...)<\/td><td>\u72ec\u81ea\u306e\u30ab\u30fc\u30d6\u3092\u6307\u5b9a\u3002\u30d6\u30e9\u30f3\u30c9\u3089\u3057\u3044\u52d5\u304d\u3092\u4f5c\u308a\u305f\u3044\u5834\u5408<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:18px;\">&#128161;<\/span>\n    <strong style=\"color:#16a34a;font-size:15px;\">\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u6642\u9593\u306f0.2\u301c0.4\u79d2\u304c\u76ee\u5b89<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u4e0b\u7dda\u304c\u4f38\u3073\u308b\u901f\u5ea6\u304c\u9045\u3059\u304e\u308b\u3068\u300c\u53cd\u5fdc\u304c\u60aa\u3044\u300d\u3068\u611f\u3058\u3089\u308c\u3001\u901f\u3059\u304e\u308b\u3068\u52d5\u304d\u306b\u6c17\u3065\u3044\u3066\u3082\u3089\u3048\u307e\u305b\u3093\u30020.2\u79d2\u301c0.4\u79d2\u7a0b\u5ea6\u304c\u3001\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u300c\u6c17\u6301\u3061\u3044\u3044\u300d\u3068\u611f\u3058\u3089\u308c\u308b\u901f\u5ea6\u306e\u76ee\u5b89\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3046\u3057\u305f\u30db\u30d0\u30fc\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30dc\u30bf\u30f3\u3084\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30e1\u30cb\u30e5\u30fc\u306e\u30ea\u30f3\u30af\u306b\u4f7f\u3046\u3068\u3001\u30b5\u30a4\u30c8\u5168\u4f53\u306e\u8cea\u611f\u3092\u5927\u304d\u304f\u5f15\u304d\u4e0a\u3052\u308b\u52b9\u679c\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u672c\u6587\u4e2d\u306e\u5927\u91cf\u306e\u30ea\u30f3\u30af\u5168\u3066\u306b\u9069\u7528\u3059\u308b\u3068\u3001\u9006\u306b\u843d\u3061\u7740\u304b\u306a\u3044\u5370\u8c61\u306b\u306a\u308b\u305f\u3081\u3001<strong>\u300c\u3053\u3053\u305e\u300d\u3068\u3044\u3046\u5c0e\u7dda\u306b\u7d5e\u3063\u3066\u4f7f\u3046<\/strong>\u306e\u304c\u30d0\u30e9\u30f3\u30b9\u306e\u826f\u3044\u4f7f\u3044\u65b9\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u5f0a\u793e\u306eLP\u3067\u3082\u3001CTA\u30dc\u30bf\u30f3\u306e\u30ea\u30f3\u30af\u306b\u3053\u306e\u4e0b\u7dda\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002\u5730\u5473\u306a\u6f14\u51fa\u3067\u3059\u304c\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u8996\u7dda\u3092\u8a98\u5c0e\u3059\u308b\u52b9\u679c\u306f\u601d\u3063\u305f\u4ee5\u4e0a\u306b\u3042\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=html-underline-tag&#038;blog_slug=html-underline-tag\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=html-underline-tag&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-07\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">07<\/span>\n  <span class=\"section-label\" style=\"display:block;\">SEPARATION<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u300c\u69cb\u9020\u300d\u3068\u300c\u88c5\u98fe\u300d\u3092\u5206\u96e2\u3059\u308b\u3068\u3044\u3046HTML\/CSS\u306e\u5927\u539f\u5247<\/span>\n  <span class=\"section-desc\">\u306a\u305c\u3053\u306e\u539f\u5247\u304c\u751f\u307e\u308c\u3001\u306a\u305c\u4eca\u3082\u91cd\u8981\u306a\u306e\u304b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u307e\u3067\u898b\u3066\u304d\u305f&lt;u&gt;\u30bf\u30b0\u3068CSS\u306e\u4e0b\u7dda\u8868\u73fe\u306e\u9055\u3044\u306f\u3001\u5b9f\u306fWeb\u5236\u4f5c\u306b\u304a\u3051\u308b<strong>\u300c\u69cb\u9020\uff08HTML\uff09\u300d\u3068\u300c\u88c5\u98fe\uff08CSS\uff09\u300d\u3092\u5206\u96e2\u3059\u308b<\/strong>\u3068\u3044\u3046\u3001\u3088\u308a\u5927\u304d\u306a\u539f\u5247\u306e\u4e00\u4f8b\u306b\u904e\u304e\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u69cb\u9020\u3068\u88c5\u98fe\u306e\u5206\u96e2\uff08Separation of Concerns\uff09<\/strong>\uff1aHTML\u306f\u300c\u6587\u7ae0\u306e\u610f\u5473\u30fb\u69cb\u9020\u300d\u3092\u8868\u73fe\u3057\u3001CSS\u306f\u300c\u898b\u305f\u76ee\u306e\u30c7\u30b6\u30a4\u30f3\u300d\u3092\u8868\u73fe\u3059\u308b\u3001\u3068\u3044\u3046\u5f79\u5272\u5206\u62c5\u306e\u8003\u3048\u65b9\u3002\u3053\u306e\u5206\u96e2\u3092\u5b88\u308b\u3053\u3068\u3067\u3001\u30c7\u30b6\u30a4\u30f3\u3060\u3051\u3092\u5909\u66f4\u3057\u305f\u3044\u3068\u304d\u306bHTML\u3092\u66f8\u304d\u63db\u3048\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u3001\u4fdd\u5b88\u6027\u30fb\u518d\u5229\u7528\u6027\u304c\u5927\u304d\u304f\u5411\u4e0a\u3059\u308b\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">7-1. \u306a\u305c\u3053\u306e\u539f\u5247\u304c\u751f\u307e\u308c\u305f\u306e\u304b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Web\u304c\u767b\u5834\u3057\u305f\u521d\u671f\u306e\u6642\u4ee3\u306f\u3001&lt;font&gt;\u30bf\u30b0\u3084&lt;u&gt;\u30bf\u30b0\u306e\u3088\u3046\u306b\u3001<strong>\u898b\u305f\u76ee\u306e\u6307\u5b9a\u3092HTML\u306e\u4e2d\u306b\u76f4\u63a5\u66f8\u304d\u8fbc\u3080<\/strong>\u306e\u304c\u4e00\u822c\u7684\u3067\u3057\u305f\u3002\u3057\u304b\u3057\u30b5\u30a4\u30c8\u306e\u898f\u6a21\u304c\u5927\u304d\u304f\u306a\u308b\u306b\u3064\u308c\u3001\u300c\u30c7\u30b6\u30a4\u30f3\u3092\u4e00\u3064\u5909\u3048\u308b\u3060\u3051\u3067\u3001\u4f55\u767e\u30da\u30fc\u30b8\u3082\u306eHTML\u30921\u3064\u305a\u3064\u66f8\u304d\u63db\u3048\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u300d\u3068\u3044\u3046\u6df1\u523b\u306a\u4fdd\u5b88\u6027\u306e\u554f\u984c\u304c\u8868\u9762\u5316\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u53cd\u7701\u304b\u3089\u3001HTML\u3068CSS\u306e\u5f79\u5272\u3092\u660e\u78ba\u306b\u5206\u96e2\u3059\u308b\u8a2d\u8a08\u601d\u60f3\u304c\u5e83\u307e\u308a\u307e\u3057\u305f\u3002\u73fe\u5728\u3067\u306f\u3001<strong>\u30c7\u30b6\u30a4\u30f3\u306e\u5909\u66f4\u306fCSS\u30d5\u30a1\u30a4\u30eb\u30921\u3064\u4fee\u6b63\u3059\u308b\u3060\u3051\u3067\u3001\u30b5\u30a4\u30c8\u5168\u4f53\u306b\u53cd\u6620\u3067\u304d\u308b<\/strong>\u306e\u304c\u5f53\u305f\u308a\u524d\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7-2. \u5206\u96e2\u3092\u5b88\u308b\u30e1\u30ea\u30c3\u30c8\u3092\u5177\u4f53\u7684\u306b\u898b\u308b<\/h3>\n\n\n\n<table>\n<thead><tr><th>\u89b3\u70b9<\/th><th>\u69cb\u9020\u3068\u88c5\u98fe\u304c\u6df7\u5728\u3057\u305f\u5834\u5408<\/th><th>\u69cb\u9020\u3068\u88c5\u98fe\u3092\u5206\u96e2\u3057\u305f\u5834\u5408<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u30c7\u30b6\u30a4\u30f3\u5909\u66f4<\/td><td>HTML\u30d5\u30a1\u30a4\u30eb\u30921\u3064\u305a\u3064\u4fee\u6b63\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b<\/td><td>CSS\u30d5\u30a1\u30a4\u30eb1\u3064\u306e\u4fee\u6b63\u3067\u5168\u30da\u30fc\u30b8\u306b\u53cd\u6620\u3055\u308c\u308b<\/td><\/tr>\n<tr><td>\u30b3\u30fc\u30c9\u306e\u898b\u901a\u3057<\/td><td>\u88c5\u98fe\u6307\u5b9a\u304c\u6df7\u3056\u308a\u3001\u6587\u7ae0\u69cb\u9020\u304c\u8aad\u307f\u306b\u304f\u3044<\/td><td>HTML\u306f\u610f\u5473\u3060\u3051\u3001CSS\u306f\u898b\u305f\u76ee\u3060\u3051\u3067\u898b\u901a\u3057\u304c\u826f\u3044<\/td><\/tr>\n<tr><td>\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3<\/td><td>\u30bf\u30b0\u306e\u610f\u5473\u3068\u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\u306e\u8aad\u307f\u4e0a\u3052\u304c\u30ba\u30ec\u3084\u3059\u3044<\/td><td>\u30bf\u30b0\u672c\u6765\u306e\u610f\u5473\u304c\u4fdd\u305f\u308c\u3001\u652f\u63f4\u6280\u8853\u3068\u306e\u76f8\u6027\u304c\u826f\u3044<\/td><\/tr>\n<tr><td>\u30c1\u30fc\u30e0\u958b\u767a<\/td><td>\u30c7\u30b6\u30a4\u30ca\u30fc\u3068\u30b3\u30fc\u30c0\u30fc\u306e\u4f5c\u696d\u304c\u7d61\u307f\u5408\u3044\u3084\u3059\u3044<\/td><td>HTML\u62c5\u5f53\u30fbCSS\u62c5\u5f53\u3067\u4f5c\u696d\u5206\u62c5\u3057\u3084\u3059\u3044<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>HTML<\/strong><br><span style=\"font-size:12px;\">\u6587\u7ae0\u306e\u610f\u5473\u30fb<br>\u69cb\u9020\u3092\u8868\u73fe<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>CSS<\/strong><br><span style=\"font-size:12px;\">\u898b\u305f\u76ee\u306e<br>\u30c7\u30b6\u30a4\u30f3\u3092\u8868\u73fe<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u5206\u96e2\u3055\u308c\u305f\u7d50\u679c<\/strong><br><span style=\"font-size:12px;\">\u4fdd\u5b88\u6027\u30fb\u518d\u5229\u7528\u6027<br>\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u306b<\/span><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&lt;u&gt;\u30bf\u30b0\u3092\u88c5\u98fe\u76ee\u7684\u3067\u4f7f\u308f\u306a\u3044\u3001\u3068\u3044\u3046\u4eca\u56de\u306e\u30c6\u30fc\u30de\u306f\u3001\u3053\u306e\u5927\u539f\u5247\u306e\u5165\u308a\u53e3\u306b\u904e\u304e\u307e\u305b\u3093\u3002JavaScript\u306b\u3088\u308b\u300c\u632f\u308b\u821e\u3044\u300d\u3082\u542b\u3081\u305f\u300c\u69cb\u9020\u30fb\u88c5\u98fe\u30fb\u632f\u308b\u821e\u3044\u306e3\u5c64\u5206\u96e2\u300d\u306f\u3001\u30e2\u30c0\u30f3\u306aWeb\u5236\u4f5c\u5168\u4f53\u3092\u8cab\u304f\u57fa\u672c\u7684\u306a\u8003\u3048\u65b9\u3068\u3057\u3066\u3001\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u5b66\u3076\u6700\u521d\u306e\u6bb5\u968e\u3067\u62bc\u3055\u3048\u3066\u304a\u304f\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">&lt;u&gt;\u30bf\u30b0\u306e\u8a71\u306f\u4e9b\u7d30\u306b\u898b\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u300c\u306a\u305c\u3053\u306e\u30bf\u30b0\u3092\u4f7f\u3046\u3079\u304d\u3067\u306a\u3044\u306e\u304b\u300d\u3092\u7a81\u304d\u8a70\u3081\u308b\u3068\u3001Web\u5236\u4f5c\u5168\u4f53\u306e\u8a2d\u8a08\u601d\u60f3\u306b\u3064\u306a\u304c\u3063\u3066\u3044\u307e\u3059\u3002\u57fa\u790e\u306e\u7406\u89e3\u304c\u3001\u7d50\u5c40\u306f\u5fdc\u7528\u529b\u306e\u571f\u53f0\u306b\u306a\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=html-underline-tag&#038;blog_slug=html-underline-tag\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=html-underline-tag&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-08\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">08<\/span>\n  <span class=\"section-label\" style=\"display:block;\">COMMON MISTAKES<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u5b9f\u52d9\u3067\u3088\u304f\u3042\u308b\u9593\u9055\u3044\u30d1\u30bf\u30fc\u30f3<\/span>\n  <span class=\"section-desc\">\u3053\u3053\u307e\u3067\u306e\u5185\u5bb9\u3092\u300c\u4e8b\u6545\u306e\u30d1\u30bf\u30fc\u30f3\u96c6\u300d\u3068\u3057\u3066\u7dcf\u6574\u7406<\/span>\n<\/h2>\n\n\n\n<table>\n<thead><tr><th>\u9593\u9055\u3044\u30d1\u30bf\u30fc\u30f3<\/th><th>\u75c7\u72b6<\/th><th>\u5bfe\u7b56<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u88c5\u98fe\u76ee\u7684\u3067&lt;u&gt;\u30bf\u30b0\u3092\u591a\u7528\u3059\u308b<\/td><td>\u30ea\u30f3\u30af\u3068\u8aa4\u8a8d\u3055\u308c\u3084\u3059\u304f\u3001\u610f\u5473\u3068\u898b\u305f\u76ee\u304c\u30ba\u30ec\u308b<\/td><td>CSS\u306etext-decoration\u307e\u305f\u306fborder-bottom\u306b\u7f6e\u304d\u63db\u3048\u308b<\/td><\/tr>\n<tr><td>\u592a\u3055\u3060\u3051text-decoration-thickness\u3067\u5909\u3048\u3066\u9593\u9694\u3092\u8abf\u6574\u3057\u306a\u3044<\/td><td>\u4e0b\u7dda\u304c\u6587\u5b57\u306b\u91cd\u306a\u3063\u3066\u8aad\u307f\u306b\u304f\u3044<\/td><td>text-underline-offset\u3067\u9593\u9694\u3092\u8abf\u6574\u3059\u308b<\/td><\/tr>\n<tr><td>\u5168\u3066\u306e\u30ea\u30f3\u30af\u306e\u4e0b\u7dda\u3092\u7121\u6761\u4ef6\u306b\u6d88\u3059<\/td><td>\u30af\u30ea\u30c3\u30af\u3067\u304d\u308b\u3053\u3068\u304c\u4f1d\u308f\u308a\u306b\u304f\u304f\u306a\u308b<\/td><td>\u30db\u30d0\u30fc\u6642\u306b\u8868\u793a\u3059\u308b\u3001\u8272\u3067\u533a\u5225\u3059\u308b\u7b49\u306e\u4ee3\u66ff\u624b\u6bb5\u3092\u7528\u610f\u3059\u308b<\/td><\/tr>\n<tr><td>\u30db\u30d0\u30fc\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u672c\u6587\u4e2d\u306e\u5168\u30ea\u30f3\u30af\u306b\u9069\u7528\u3059\u308b<\/td><td>\u30da\u30fc\u30b8\u5168\u4f53\u304c\u843d\u3061\u7740\u304b\u306a\u3044\u5370\u8c61\u306b\u306a\u308b<\/td><td>CTA\u30dc\u30bf\u30f3\u3084\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u3001\u8981\u6240\u3060\u3051\u306b\u7d5e\u3063\u3066\u4f7f\u3046<\/td><\/tr>\n<tr><td>&lt;u&gt;\u3068&lt;ins&gt;\u3092\u898b\u305f\u76ee\u3060\u3051\u3067\u4f7f\u3044\u5206\u3051\u308b<\/td><td>\u30bf\u30b0\u672c\u6765\u306e\u610f\u5473\u3068\u5b9f\u969b\u306e\u7528\u9014\u304c\u30ba\u30ec\u308b<\/td><td>\u300c\u5f8c\u304b\u3089\u633f\u5165\u3055\u308c\u305f\u5185\u5bb9\u300d\u7b49\u3001\u30bf\u30b0\u306e\u610f\u5473\u306b\u5408\u3063\u305f\u5834\u9762\u3067\u306e\u307f\u4f7f\u3046<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h3 class=\"wp-block-heading\">8-1. \u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u3067\u78ba\u8a8d\u3059\u3079\u304d\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u793e\u5185\u3067HTML\/CSS\u306e\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u30eb\u30fc\u30eb\u3092\u4f5c\u308b\u5834\u5408\u3001\u4e0b\u7dda\u8868\u73fe\u306b\u95a2\u3057\u3066\u306f\u4ee5\u4e0b\u306e\u89b3\u70b9\u3092\u30c1\u30a7\u30c3\u30af\u9805\u76ee\u306b\u52a0\u3048\u3066\u304a\u304f\u3068\u3001\u5b9f\u88c5\u30df\u30b9\u306e\u518d\u767a\u9632\u6b62\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u88c5\u98fe\u76ee\u7684\u306e\u4e0b\u7dda\u304c&lt;u&gt;\u30bf\u30b0\u3067\u306f\u306a\u304fCSS\u3067\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u304b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u30ea\u30f3\u30af\u306e\u4e0b\u7dda\u3092\u6d88\u3057\u305f\u5834\u5408\u3001\u4ee3\u66ff\u306e\u8996\u899a\u7684\u624b\u304c\u304b\u308a\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u304b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u4e0b\u7dda\u306e\u592a\u3055\u3068\u6587\u5b57\u3068\u306e\u9593\u9694\u304c\u8aad\u307f\u3084\u3059\u3044\u30d0\u30e9\u30f3\u30b9\u306b\u306a\u3063\u3066\u3044\u308b\u304b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u30db\u30d0\u30fc\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u8981\u6240\u306b\u306e\u307f\u4f7f\u308f\u308c\u3001\u904e\u5270\u306b\u306a\u3063\u3066\u3044\u306a\u3044\u304b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u30bf\u30b0\u306e\u9078\u629e\u304c\u3001\u898b\u305f\u76ee\u3067\u306f\u306a\u304f\u300c\u610f\u5473\u300d\u306b\u57fa\u3065\u3044\u3066\u884c\u308f\u308c\u3066\u3044\u308b\u304b<\/span><\/div>\n\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3046\u3057\u305f\u7d30\u90e8\u306e\u30eb\u30fc\u30eb\u306f\u30011\u4eba\u3067\u4f5c\u696d\u3057\u3066\u3044\u308b\u3046\u3061\u306f\u6c17\u306b\u306a\u3089\u306a\u304f\u3066\u3082\u3001<strong>\u30c1\u30fc\u30e0\u3067\u30b3\u30fc\u30c9\u3092\u89e6\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u77ac\u9593\u306b\u52b9\u3044\u3066\u304d\u307e\u3059<\/strong>\u3002\u30ec\u30d3\u30e5\u30fc\u89b3\u70b9\u3068\u3057\u3066\u660e\u6587\u5316\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u62c5\u5f53\u8005\u304c\u5909\u308f\u3063\u3066\u3082\u30b3\u30fc\u30c9\u306e\u8cea\u3092\u4e00\u5b9a\u306b\u4fdd\u3066\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u4e0b\u7dda\u306e\u3088\u3046\u306a\u7d30\u304b\u3044\u8868\u73fe\u306e\u4e00\u8cab\u6027\u306f\u3001\u30b5\u30a4\u30c8\u5168\u4f53\u306e\u300c\u4f5c\u308a\u8fbc\u307e\u308c\u3066\u3044\u308b\u611f\u300d\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002\u5730\u5473\u306a\u90e8\u5206\u3053\u305d\u4e01\u5be7\u306b\u3084\u3063\u3066\u304a\u304f\u3068\u3001\u5f8c\u304b\u3089\u898b\u8fd4\u3057\u305f\u3068\u304d\u306e\u4fe1\u983c\u611f\u304c\u9055\u3044\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=html-underline-tag&#038;blog_slug=html-underline-tag\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=html-underline-tag&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-09\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">09<\/span>\n  <span class=\"section-label\" style=\"display:block;\">AI CODING<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u3010\u72ec\u81ea\u3011\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u300c\u5730\u5473\u306a\u8abf\u6574\u300d\u3092AI\u306b\u4efb\u305b\u308b<\/span>\n  <span class=\"section-desc\">\u4e0b\u7dda\u306e\u592a\u3055\u8abf\u6574\u306e\u3088\u3046\u306a\u7d30\u90e8\u306e\u8a66\u884c\u932f\u8aa4\u306b\u3053\u305dAI\u304c\u52b9\u304f<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u307e\u3067\u7d39\u4ecb\u3057\u3066\u304d\u305f\u4e0b\u7dda\u306e\u8272\u30fb\u592a\u3055\u30fb\u9593\u9694\u30fb\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u8abf\u6574\u306f\u3001\u5b9f\u52d9\u3067\u306f<strong>\u300c\u30d6\u30e9\u30a6\u30b6\u3067\u898b\u305f\u76ee\u3092\u78ba\u8a8d\u3057\u306a\u304c\u3089\u3001\u6570\u5024\u3092\u5c11\u3057\u305a\u3064\u5909\u3048\u3066\u3044\u304f\u300d\u8a66\u884c\u932f\u8aa4<\/strong>\u304c\u767a\u751f\u3057\u3084\u3059\u3044\u4f5c\u696d\u3067\u3059\u30021\u3064\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u76f4\u3057\u3066\u306f\u4fdd\u5b58\u3057\u3001\u30d6\u30e9\u30a6\u30b6\u3092\u30ea\u30ed\u30fc\u30c9\u3057\u3066\u78ba\u8a8d\u3059\u308b\u2014\u2014\u3053\u306e\u5730\u5473\u306a\u7e70\u308a\u8fd4\u3057\u4f5c\u696d\u3053\u305d\u3001<strong>Claude Code\u306e\u3088\u3046\u306aAI\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8<\/strong>\u304c\u529b\u3092\u767a\u63ee\u3057\u3084\u3059\u3044\u9818\u57df\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>Claude Code<\/strong>\uff1aAnthropic\u304c\u63d0\u4f9b\u3059\u308bAI\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3002\u300c\u3053\u306e\u30ea\u30f3\u30af\u306e\u4e0b\u7dda\u3092\u3082\u3046\u5c11\u3057\u6587\u5b57\u304b\u3089\u96e2\u3057\u3066\u3001\u8272\u3092\u8d64\u306b\u3057\u3066\u300d\u3068\u3044\u3063\u305f\u81ea\u7136\u306a\u8a00\u8449\u306e\u6307\u793a\u3060\u3051\u3067\u3001\u8a72\u5f53\u3059\u308bCSS\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5224\u65ad\u3057\u3066\u30b3\u30fc\u30c9\u3092\u751f\u6210\u30fb\u4fee\u6b63\u3057\u3066\u304f\u308c\u308b\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f0a\u793e\uff08\u682a\u5f0f\u4f1a\u793eGENAI\uff09\u3067\u306f\u3001\u81ea\u793eLP\u30fb\u8cc7\u6599\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306b\u3082Claude Code\u3092\u6d3b\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u300c\u4e0b\u7dda\u3092\u6ce2\u7dda\u306b\u3057\u3066\u300d\u300c\u30db\u30d0\u30fc\u3067\u4e0b\u7dda\u304c\u4f38\u3073\u308b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u4ed8\u3051\u3066\u300d\u3068\u3044\u3063\u305f\u611f\u899a\u7684\u306a\u6307\u793a\u3067\u3082\u3001text-decoration-style\u3084transition\u306a\u3069\u9069\u5207\u306a\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5224\u65ad\u3057\u3066\u30b3\u30fc\u30c9\u306b\u843d\u3068\u3057\u8fbc\u3093\u3067\u304f\u308c\u308b\u305f\u3081\u3001\u7d30\u90e8\u306e\u8abf\u6574\u306b\u8cbb\u3084\u3059\u6642\u9593\u304c\u5927\u304d\u304f\u5727\u7e2e\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">9-1. \u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u7d30\u90e8\u306b\u95a2\u308f\u308b\u610f\u5473<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u300cCSS\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u306a\u3093\u3066\u899a\u3048\u3066\u3044\u306a\u3044\u304b\u3089\u95a2\u4fc2\u306a\u3044\u300d\u3068\u3044\u3046\u7d4c\u55b6\u8005\u30fb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u62c5\u5f53\u306e\u65b9\u3082\u591a\u3044\u306f\u305a\u3067\u3059\u3002\u3057\u304b\u3057\u3001<strong>LP\u3084\u8cc7\u6599\u306e\u7d30\u90e8\u306e\u4f5c\u308a\u8fbc\u307f<\/strong>\u306f\u3001\u30b5\u30a4\u30c8\u5168\u4f53\u306e\u4fe1\u983c\u611f\u3084\u30b3\u30f3\u30d0\u30fc\u30b8\u30e7\u30f3\u7387\u306b\u5730\u5473\u306b\u52b9\u3044\u3066\u304f\u308b\u8981\u7d20\u3067\u3082\u3042\u308a\u307e\u3059\u3002\u300c\u3053\u306e\u30ea\u30f3\u30af\u306e\u4e0b\u7dda\u304c\u6c17\u306b\u306a\u308b\u300d\u300c\u3082\u3046\u5c11\u3057\u76ee\u7acb\u305f\u305b\u305f\u3044\u300d\u3068\u3044\u3063\u305f\u611f\u899a\u7684\u306a\u9055\u548c\u611f\u3092\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u3092\u77e5\u3089\u306a\u3044\u307e\u307eClaude Code\u306b\u76f4\u63a5\u4f1d\u3048\u3066\u8a66\u305b\u308b\u306e\u306f\u3001\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3068\u3063\u3066\u5927\u304d\u306a\u4fa1\u5024\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u300c\u3053\u306e\u30ea\u30f3\u30af\u306e\u4e0b\u7dda\u3092\u6d88\u3057\u3066\u3001\u30db\u30d0\u30fc\u3057\u305f\u3068\u304d\u3060\u3051\u8868\u793a\u3057\u3066\u300d\u3068\u81ea\u7136\u306a\u8a00\u8449\u3067\u4f9d\u983c\u3067\u304d\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>text-decoration\u3084border-bottom\u3068\u3044\u3063\u305f\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u3092\u899a\u3048\u3066\u3044\u306a\u304f\u3066\u3082\u3001\u610f\u56f3\u3055\u3048\u4f1d\u308f\u308c\u3070\u5b9f\u88c5\u3055\u308c\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u8907\u6570\u30d1\u30bf\u30fc\u30f3\u3092\u77ed\u6642\u9593\u3067\u751f\u6210\u3055\u305b\u3001\u898b\u6bd4\u3079\u3066\u9078\u3076\u3068\u3044\u3046\u9032\u3081\u65b9\u304c\u3067\u304d\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u65e2\u5b58\u306eCSS\u306b\u5bfe\u3057\u3066\u300c\u898b\u305f\u76ee\u3092\u5909\u3048\u305a\u306b\u30b3\u30fc\u30c9\u3092\u6574\u7406\u3057\u3066\u300d\u3068\u3044\u3063\u305f\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u4f9d\u983c\u3082\u53ef\u80fd<\/span><\/div>\n\n<\/div>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>\u300c\u4e0b\u7dda\u3092\u3053\u3046<br>\u3057\u305f\u3044\u300d\u3092\u4f1d\u3048\u308b<\/strong><br><span style=\"font-size:12px;\">\u611f\u899a\u7684\u306a\u8a00\u8449\u3067OK<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>Claude Code\u304c<br>CSS\u3092\u751f\u6210<\/strong><br><span style=\"font-size:12px;\">\u9069\u5207\u306a<br>\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5224\u65ad<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u30d6\u30e9\u30a6\u30b6\u3067<br>\u898b\u305f\u76ee\u3092\u78ba\u8a8d<\/strong><br><span style=\"font-size:12px;\">\u6c17\u306b\u306a\u308b\u70b9\u3092<br>\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u5fae\u8abf\u6574\u3092<br>\u7e70\u308a\u8fd4\u3057\u3066\u5b8c\u6210<\/strong><br><span style=\"font-size:12px;\">\u8a66\u884c\u932f\u8aa4\u306e<br>\u6642\u9593\u3092\u5927\u5e45\u77ed\u7e2e<\/span><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3082\u3061\u308d\u3093\u3001\u30d6\u30e9\u30f3\u30c9\u30a4\u30e1\u30fc\u30b8\u306b\u95a2\u308f\u308b\u6700\u7d42\u7684\u306a\u30c7\u30b6\u30a4\u30f3\u5224\u65ad\u306f\u4eba\u9593\u304c\u884c\u3046\u3079\u304d\u9818\u57df\u3067\u3059\u3002Claude Code\u306f\u3042\u304f\u307e\u3067<strong>\u300c\u8a66\u884c\u932f\u8aa4\u306e\u30b9\u30d4\u30fc\u30c9\u3092\u4e0a\u3052\u308b\u300d\u30a2\u30b7\u30b9\u30bf\u30f3\u30c8<\/strong>\u3068\u3044\u3046\u4f4d\u7f6e\u3065\u3051\u3067\u3042\u308a\u3001\u6700\u7d42\u7684\u306a\u610f\u601d\u6c7a\u5b9a\u3092\u4ee3\u66ff\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5f0a\u793e\u3067\u306fLP\u30fb\u8a18\u4e8b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u4ee5\u5916\u306b\u3082\u55b6\u696d\u30fb\u5e83\u544a\u30fb\u7d4c\u7406\u30fb\u79d8\u66f8\u696d\u52d9\u307e\u3067Claude Code\u3092\u7d44\u307f\u8fbc\u3093\u3067\u304a\u308a\u3001\u6708\u984d\u7d0430,000\u5186\uff08Max 20x\u30d7\u30e9\u30f3\uff09\u306e\u6295\u8cc7\u3067\u3001\u3053\u3046\u3057\u305f\u7d30\u90e8\u306e\u8abf\u6574\u307e\u3067\u542b\u3081\u3066\u696d\u52d9\u3092\u5206\u62c5\u3067\u304d\u3066\u3044\u308b\u808c\u611f\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u4e0b\u7dda\u4e00\u3064\u306e\u5fae\u8abf\u6574\u3067\u3082\u3001\u4ee5\u524d\u306f\u30b3\u30fc\u30c0\u30fc\u306b\u4f55\u5ea6\u3082\u3084\u308a\u53d6\u308a\u3057\u3066\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u4eca\u306fClaude Code\u306b\u305f\u305f\u304d\u53f0\u3092\u4f5c\u3089\u305b\u3066\u304b\u3089\u4f9d\u983c\u3067\u304d\u308b\u306e\u3067\u3001\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30e9\u30ea\u30fc\u56de\u6570\u81ea\u4f53\u304c\u5927\u5e45\u306b\u6e1b\u3063\u3066\u3044\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u307e\u305a\u306f\u81ea\u793e\u30b5\u30a4\u30c8\u306e\u30ea\u30f3\u30af\u4e0b\u7dda1\u7b87\u6240\u3060\u3051\u3001Claude Code\u306b\u300c\u3082\u3063\u3068\u826f\u304f\u3057\u3066\u300d\u3068\u983c\u3093\u3067\u307f\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u3092\u77e5\u3089\u306a\u304f\u3066\u3082\u3069\u3053\u307e\u3067\u5bfe\u5fdc\u3067\u304d\u308b\u304b\u3001\u4f53\u611f\u3057\u3066\u307f\u308b\u306e\u304c\u4e00\u756a\u65e9\u3044\u7406\u89e3\u306e\u4ed5\u65b9\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u7d30\u90e8\u8abf\u6574\u3082\u3001Claude Code\u306e\u696d\u52d9\u6d3b\u7528\u3082\u3001AI\u9b3c\u7ba1\u7406\u304c\u4f34\u8d70\u3057\u307e\u3059<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u300cLP\u3084\u8cc7\u6599\u306e\u898b\u305f\u76ee\u3092\u7d20\u65e9\u304f\u6539\u5584\u3057\u305f\u3044\u300d\u300c\u958b\u767a\u30fb\u30c7\u30b6\u30a4\u30f3\u4ee5\u5916\u306e\u696d\u52d9\u306b\u3082AI\u3092\u6d3b\u304b\u3057\u305f\u3044\u300d\u3068\u3044\u3046\u7d4c\u55b6\u8005\u30fb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u62c5\u5f53\u306e\u65b9\u306b\u5411\u3051\u3066\u3001Claude Code\u306e\u5c0e\u5165\u8a2d\u8a08\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u307e\u305a\u306f\u7121\u6599\u76f8\u8ac7\u3067\u3001\u8cb4\u793e\u306e\u30b5\u30a4\u30c8\u30fb\u696d\u52d9\u30d7\u30ed\u30bb\u30b9\u306e\u3069\u3053\u306bAI\u6d3b\u7528\u306e\u4f59\u5730\u304c\u3042\u308b\u304b\u3001\u4e00\u7dd2\u306b\u6574\u7406\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002<\/div>\n<\/div>\n\n\n\n<div style=\"background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);border-radius:16px;padding:36px 32px;margin:48px 0 16px;color:#fff;\">\n  <p style=\"font-size:13px;font-weight:700;color:#dc2626;letter-spacing:2px;margin:0 0 12px;\">NEXT STEP<\/p>\n  <p style=\"font-size:22px;font-weight:800;line-height:1.5;margin:0 0 20px;\">\u3053\u306e\u8a18\u4e8b\u306e\u5185\u5bb9\u3092\u3001\u3042\u306a\u305f\u306e\u30d3\u30b8\u30cd\u30b9\u3067<br>\u5b9f\u8df5\u3057\u3066\u307f\u307e\u305b\u3093\u304b\uff1f<\/p>\n  <div style=\"background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);border-radius:12px;padding:24px;max-width:560px;margin:0 auto;\">\n    <p style=\"font-size:13px;color:#dc2626;font-weight:700;margin:0 0 8px;\">AI\u6d3b\u7528\u3092\u81ea\u793e\u3067\u56de\u305b\u308b\u3088\u3046\u306b\u306a\u308a\u305f\u3044\u65b9\u3078<\/p>\n    <p style=\"font-size:20px;font-weight:800;margin:0 0 12px;\">AI\u9b3c\u7ba1\u7406<\/p>\n    <p style=\"font-size:14px;color:rgba(255,255,255,0.75);margin:0 0 20px;line-height:1.7;\">Claude Code\u30fbCowork\u5c0e\u5165\u652f\u63f4\u304b\u3089\u696d\u52d9\u8a2d\u8a08\u30fb\u793e\u5185\u6d78\u900f\u307e\u3067\u5b9f\u8df5\u30d9\u30fc\u30b9\u3067\u4f34\u8d70\u3002\u300c\u81ea\u793e\u3067\u56de\u305b\u308b\u7d44\u7e54\u300d\u309290\u65e5\u3067\u4f5c\u308b\u7d4c\u55b6\u8005\u5411\u3051\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3002<\/p>\n    <div style=\"text-align:center;\">\n      <a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&utm_medium=article&utm_campaign=html-underline-tag&utm_content=next-step-cta\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;background:#dc2626;color:#fff;font-weight:700;font-size:15px;padding:14px 32px;border-radius:30px;text-decoration:none;\">AI\u9b3c\u7ba1\u7406\u3092\u8a73\u3057\u304f\u898b\u308b \u2192<\/a>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q. &lt;u&gt;\u30bf\u30b0\u306f\u4f7f\u3063\u3066\u306f\u3044\u3051\u306a\u3044\u306e\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u5b8c\u5168\u306b\u7981\u6b62\u3055\u308c\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002HTML5\u3067\u306f\u300c\u901a\u5e38\u3068\u306f\u7570\u306a\u308b\u6ce8\u91c8\u4ed8\u304d\u30c6\u30ad\u30b9\u30c8\u300d\u3092\u793a\u3059\u8981\u7d20\u3068\u3057\u3066\u73fe\u884c\u4ed5\u69d8\u306b\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u300c\u5358\u306b\u4e0b\u7dda\u3092\u5f15\u304d\u305f\u3044\u3060\u3051\u300d\u3068\u3044\u3046\u88c5\u98fe\u76ee\u7684\u3067\u306e\u4f7f\u7528\u306f\u63a8\u5968\u3055\u308c\u305a\u3001CSS\u306etext-decoration\u3084border-bottom\u3092\u4f7f\u3046\u3079\u304d\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. text-decoration\u3068border-bottom\u3001\u3069\u3061\u3089\u3092\u4f7f\u3048\u3070\u3044\u3044\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u672c\u6587\u4e2d\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u4e0b\u7dda\u3067\u3042\u308c\u3070text-decoration\u3001\u4e0b\u7dda\u3068\u6587\u5b57\u306e\u9593\u9694\u3092\u8abf\u6574\u3057\u305f\u3044\u30fb\u898b\u51fa\u3057\u3084\u30dc\u30bf\u30f3\u306a\u3069\u88c5\u98fe\u6027\u306e\u9ad8\u3044\u4e0b\u7dda\u3092\u4f5c\u308a\u305f\u3044\u5834\u5408\u306fborder-bottom\u304c\u5411\u3044\u3066\u3044\u307e\u3059\u3002\u307e\u305atext-decoration\u3067\u8a66\u3057\u3001\u8868\u73fe\u529b\u304c\u8db3\u308a\u306a\u3051\u308c\u3070border-bottom\u306b\u5207\u308a\u66ff\u3048\u308b\u306e\u304c\u5b9f\u52d9\u7684\u306a\u9032\u3081\u65b9\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u30ea\u30f3\u30af\u306e\u4e0b\u7dda\u306f\u5fc5\u305a\u8868\u793a\u3059\u3079\u304d\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u5fc5\u9808\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u4e0b\u7dda\u3092\u6d88\u3059\u5834\u5408\u306f\u8272\u306e\u9055\u3044\u3084\u30dc\u30bf\u30f3\u5316\u306a\u3069\u3001\u4ed6\u306e\u65b9\u6cd5\u3067\u300c\u30af\u30ea\u30c3\u30af\u3067\u304d\u308b\u300d\u3053\u3068\u3092\u30e6\u30fc\u30b6\u30fc\u306b\u4f1d\u3048\u308b\u5de5\u592b\u304c\u5fc5\u8981\u3067\u3059\u3002\u7279\u306b\u6587\u7ae0\u91cf\u306e\u591a\u3044\u30da\u30fc\u30b8\u3067\u306f\u3001\u4e0b\u7dda\u304c\u8996\u899a\u7684\u306a\u624b\u304c\u304b\u308a\u3068\u3057\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u4e0b\u7dda\u306e\u30db\u30d0\u30fc\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306f\u3069\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u4f5c\u308c\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. ::after\u64ec\u4f3c\u8981\u7d20\u3067\u5e450\u306e\u5e2f\u3092\u7528\u610f\u3057\u3001transition\u30d7\u30ed\u30d1\u30c6\u30a3\u3067width\u306e\u5909\u5316\u3092\u6ed1\u3089\u304b\u306b\u3059\u308b\u65b9\u6cd5\u304c\u4e00\u822c\u7684\u3067\u3059\u3002position:relative\u3092\u89aa\u8981\u7d20\u306b\u3001position:absolute\u3092\u7591\u4f3c\u8981\u7d20\u306b\u6307\u5b9a\u3057\u3066\u91cd\u306d\u308b\u306e\u304c\u57fa\u672c\u306e\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. &lt;u&gt;\u30bf\u30b0\u3068&lt;ins&gt;\u30bf\u30b0\u306f\u4f55\u304c\u9055\u3046\u306e\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u898b\u305f\u76ee\uff08\u4e0b\u7dda\uff09\u306f\u540c\u3058\u3067\u3059\u304c\u3001\u610f\u5473\u304c\u7570\u306a\u308a\u307e\u3059\u3002&lt;u&gt;\u306f\u300c\u901a\u5e38\u3068\u7570\u306a\u308b\u6ce8\u91c8\u4ed8\u304d\u30c6\u30ad\u30b9\u30c8\u300d\u3001&lt;ins&gt;\u306f\u300c\u6587\u66f8\u306b\u5f8c\u304b\u3089\u633f\u5165\u3055\u308c\u305f\u5185\u5bb9\u300d\u3092\u793a\u3059\u30bf\u30b0\u3067\u3059\u3002\u898b\u305f\u76ee\u3060\u3051\u3067\u9078\u3070\u305a\u3001\u610f\u5473\u306b\u5408\u3063\u305f\u5834\u9762\u3067\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. HTML\/CSS\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u52b9\u7387\u5316\u3059\u308b\u306e\u306bAI\u30c4\u30fc\u30eb\u306f\u4f7f\u3048\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u4f7f\u3048\u307e\u3059\u3002\u7279\u306bClaude Code\u306e\u3088\u3046\u306aAI\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306f\u3001\u300c\u4e0b\u7dda\u3092\u3053\u3046\u3057\u305f\u3044\u300d\u3068\u3044\u3063\u305f\u611f\u899a\u7684\u306a\u6307\u793a\u304b\u3089\u9069\u5207\u306aCSS\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5224\u65ad\u3057\u3066\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3067\u304d\u307e\u3059\u3002\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u3092\u7d30\u304b\u304f\u899a\u3048\u3066\u3044\u306a\u3044\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u65b9\u3067\u3082\u3001\u8a66\u884c\u932f\u8aa4\u306e\u30b9\u30d4\u30fc\u30c9\u3092\u5927\u304d\u304f\u4e0a\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  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\"\u672c\u6587\u4e2d\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u4e0b\u7dda\u3067\u3042\u308c\u3070text-decoration\u3001\u4e0b\u7dda\u3068\u6587\u5b57\u306e\u9593\u9694\u3092\u8abf\u6574\u3057\u305f\u3044\u30fb\u898b\u51fa\u3057\u3084\u30dc\u30bf\u30f3\u306a\u3069\u88c5\u98fe\u6027\u306e\u9ad8\u3044\u4e0b\u7dda\u3092\u4f5c\u308a\u305f\u3044\u5834\u5408\u306fborder-bottom\u304c\u5411\u3044\u3066\u3044\u307e\u3059\u3002\u307e\u305atext-decoration\u3067\u8a66\u3057\u3001\u8868\u73fe\u529b\u304c\u8db3\u308a\u306a\u3051\u308c\u3070border-bottom\u306b\u5207\u308a\u66ff\u3048\u308b\u306e\u304c\u5b9f\u52d9\u7684\u306a\u9032\u3081\u65b9\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u30ea\u30f3\u30af\u306e\u4e0b\u7dda\u306f\u5fc5\u305a\u8868\u793a\u3059\u3079\u304d\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": 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\"::after\u64ec\u4f3c\u8981\u7d20\u3067\u5e450\u306e\u5e2f\u3092\u7528\u610f\u3057\u3001transition\u30d7\u30ed\u30d1\u30c6\u30a3\u3067width\u306e\u5909\u5316\u3092\u6ed1\u3089\u304b\u306b\u3059\u308b\u65b9\u6cd5\u304c\u4e00\u822c\u7684\u3067\u3059\u3002position:relative\u3092\u89aa\u8981\u7d20\u306b\u3001position:absolute\u3092\u7591\u4f3c\u8981\u7d20\u306b\u6307\u5b9a\u3057\u3066\u91cd\u306d\u308b\u306e\u304c\u57fa\u672c\u306e\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"&lt;u&gt;\u30bf\u30b0\u3068&lt;ins&gt;\u30bf\u30b0\u306f\u4f55\u304c\u9055\u3046\u306e\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u898b\u305f\u76ee\uff08\u4e0b\u7dda\uff09\u306f\u540c\u3058\u3067\u3059\u304c\u3001\u610f\u5473\u304c\u7570\u306a\u308a\u307e\u3059\u3002&lt;u&gt;\u306f\u300c\u901a\u5e38\u3068\u7570\u306a\u308b\u6ce8\u91c8\u4ed8\u304d\u30c6\u30ad\u30b9\u30c8\u300d\u3001&lt;ins&gt;\u306f\u300c\u6587\u66f8\u306b\u5f8c\u304b\u3089\u633f\u5165\u3055\u308c\u305f\u5185\u5bb9\u300d\u3092\u793a\u3059\u30bf\u30b0\u3067\u3059\u3002\u898b\u305f\u76ee\u3060\u3051\u3067\u9078\u3070\u305a\u3001\u610f\u5473\u306b\u5408\u3063\u305f\u5834\u9762\u3067\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"HTML\/CSS\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u52b9\u7387\u5316\u3059\u308b\u306e\u306bAI\u30c4\u30fc\u30eb\u306f\u4f7f\u3048\u307e\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u4f7f\u3048\u307e\u3059\u3002\u7279\u306bClaude 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