{"id":24923,"date":"2026-07-31T05:17:27","date_gmt":"2026-07-30T20:17:27","guid":{"rendered":"https:\/\/genai-ai.co.jp\/ai-kanri\/?p=24923"},"modified":"2026-08-13T23:51:30","modified_gmt":"2026-08-13T14:51:30","slug":"html-table-border","status":"publish","type":"post","link":"https:\/\/genai-ai.co.jp\/ai-kanri\/blog\/html-table-border\/","title":{"rendered":"\u30102026\u5e748\u6708\u6700\u65b0\u3011HTML\u30c6\u30fc\u30d6\u30eb\u306eborder\uff08\u7f6b\u7dda\uff09\u8a2d\u5b9a\u65b9\u6cd5\u3092\u5fb9\u5e95\u89e3\u8aac\uff5c\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3082\u8ff7\u308f\u306a\u3044\u5b9f\u8df5\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\/07\/thumb-html-table-border.jpg\" alt=\"\u30102026\u5e747\u6708\u6700\u65b0\u3011HTML\u30c6\u30fc\u30d6\u30eb\u306eborder\uff08\u7f6b\u7dda\uff09\u8a2d\u5b9a\u65b9\u6cd5\u3092\u5fb9\u5e95\u89e3\u8aac\uff5c\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3082\u8ff7\u308f\u306a\u3044\u5b9f\u8df5\u30ac\u30a4\u30c9\" style=\"width:100%;height:auto;border-radius:12px;display:block;\">\n<\/div>\n\n\n\n\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u8868\u306b\u7f6b\u7dda\uff08\u3051\u3044\u305b\u3093\uff09\u3092\u5f15\u304d\u305f\u3044\u3060\u3051\u306a\u306e\u306b\u3001HTML\u3082CSS\u3082\u5206\u304b\u3089\u305a\u624b\u304c\u6b62\u307e\u3063\u305f\u300d\u2014\u2014\u793e\u5185\u8cc7\u6599\u3084\u7c21\u6613\u30da\u30fc\u30b8\u3092\u81ea\u5206\u3067\u4f5c\u308d\u3046\u3068\u3057\u305f\u7d4c\u55b6\u8005\u30fb\u7ba1\u7406\u8077\u306e\u591a\u304f\u304c\u3001\u4e00\u5ea6\u306f\u3053\u306e\u58c1\u306b\u3076\u3064\u304b\u308a\u307e\u3059\u3002Excel\u306a\u3089\u6570\u30af\u30ea\u30c3\u30af\u3067\u6e08\u3080\u300c\u8868\u306b\u7dda\u3092\u5f15\u304f\u300d\u3068\u3044\u3046\u4f5c\u696d\u304c\u3001Web\u30da\u30fc\u30b8\uff08HTML\uff09\u306b\u306a\u3063\u305f\u9014\u7aef\u306b\u6025\u306b\u96e3\u3057\u304f\u611f\u3058\u3089\u308c\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HTML\u306etable\uff08\u8868\uff09\u306bborder\uff08\u67a0\u7dda\uff09\u3092\u3064\u3051\u308b\u65b9\u6cd5\u306b\u306f\u3001\u5b9f\u306f<strong>2\u3064\u306e\u6d41\u6d3e<\/strong>\u304c\u3042\u308a\u307e\u3059\u3002\u3072\u3068\u3064\u306f\u53e4\u304f\u304b\u3089\u3042\u308b\u300cHTML\u5c5e\u6027\u3067\u6307\u5b9a\u3059\u308b\u65b9\u6cd5\u300d\u3001\u3082\u3046\u3072\u3068\u3064\u306f\u73fe\u5728\u4e3b\u6d41\u306e\u300cCSS\u3067\u6307\u5b9a\u3059\u308b\u65b9\u6cd5\u300d\u3067\u3059\u3002\u3055\u3089\u306b\u3001\u7dda\u304c\u4e8c\u91cd\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u30fb\u8272\u304c\u5909\u308f\u3089\u306a\u3044\u3068\u3044\u3063\u305f\u300c\u3042\u308b\u3042\u308b\u5931\u6557\u300d\u3082\u73fe\u5834\u3067\u306f\u983b\u767a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001HTML\u30bf\u30b0\u306e\u57fa\u790e\u304b\u3089\u3001border\u5c5e\u6027\u3068CSS\u306e\u9055\u3044\u3001\u4e8c\u91cd\u7dda\u3092\u4e00\u672c\u306e\u7dda\u306b\u307e\u3068\u3081\u308b\u65b9\u6cd5\u3001\u8272\u3092\u5909\u3048\u308b\u65b9\u6cd5\u307e\u3067\u3092\u5b9f\u4f8b\u4ed8\u304d\u3067\u6574\u7406\u3057\u307e\u3059\u3002\u52a0\u3048\u3066\u5f8c\u534a\u3067\u306f\u3001<strong>\u300c\u3053\u306e\u4f5c\u696d\u3092\u81ea\u5206\u3067\u899a\u3048\u308b\u3079\u304d\u304b\u3001AI\u306b\u4efb\u305b\u308b\u3079\u304d\u304b\u300d<\/strong>\u3068\u3044\u3046\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u672c\u5f53\u306b\u77e5\u308a\u305f\u3044\u5224\u65ad\u57fa\u6e96\u306b\u3082\u8e0f\u307f\u8fbc\u307f\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\">\u5f0a\u793e\u3067\u3082\u4f1a\u793e\u6848\u5185\u30da\u30fc\u30b8\u3084\u793e\u5185\u30de\u30cb\u30e5\u30a2\u30eb\u306e\u8868\u7d44\u307f\u3092\u81ea\u5206\u305f\u3061\u3067\u6574\u3048\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u6700\u521d\u306f border=&quot;1&quot; \u3068\u66f8\u3044\u3066\u6e80\u8db3\u3057\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001CSS\u3092\u899a\u3048\u3066\u304b\u3089\u8868\u73fe\u306e\u5e45\u304c\u5168\u304f\u5909\u308f\u308a\u307e\u3057\u305f\u3002\u4eca\u65e5\u306f\u305d\u306e\u5b9f\u4f53\u9a13\u3082\u4ea4\u3048\u3066\u304a\u4f1d\u3048\u3057\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\">\u7d50\u8ad6\u3092\u5148\u306b\u8a00\u3046\u3068\u3001\u300c\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b\u300d\u3053\u3068\u3068\u300c\u6bce\u56de\u81ea\u5206\u3067\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u300d\u3053\u3068\u306f\u5225\u306e\u8a71\u3067\u3059\u3002\u4ed5\u7d44\u307f\u306f\u7406\u89e3\u3057\u305f\u4e0a\u3067\u3001\u5b9f\u969b\u306e\u4f5c\u696d\u306fAI\u306b\u4efb\u305b\u308b\u3068\u3044\u3046\u9078\u629e\u80a2\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u306e\u5f8c\u534a\u3067\u3001\u305d\u306e\u5224\u65ad\u57fa\u6e96\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u307f\u7d42\u3048\u308b\u9803\u306b\u306f\u3001\u6b21\u306e6\u3064\u304c\u660e\u78ba\u306b\u306a\u3063\u3066\u3044\u308b\u306f\u305a\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>HTML\u306etable\uff08\u8868\uff09\u3068border\uff08\u7f6b\u7dda\uff09\u306e\u57fa\u672c\u7684\u306a\u4ed5\u7d44\u307f<\/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\u5c5e\u6027\u3067border\u3092\u6307\u5b9a\u3059\u308b\u65b9\u6cd5\u3068\u3001\u305d\u306e\u6ce8\u610f\u70b9<\/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>CSS\u3067\u7f6b\u7dda\u3092\u6307\u5b9a\u3059\u308b\u73fe\u5728\u306e\u6a19\u6e96\u7684\u306a\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>\u4e8c\u91cd\u7dda\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u539f\u56e0\u3068\u3001\u4e00\u672c\u7dda\u306b\u307e\u3068\u3081\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>\u7f6b\u7dda\u306e\u8272\u3092\u5909\u3048\u308b\u65b9\u6cd5\u3068\u3001\u3088\u304f\u3042\u308b\u5931\u6557\u30d1\u30bf\u30fc\u30f3<\/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>\u300c\u81ea\u5206\u3067\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u300d\u304b\u300cAI\u306b\u4efb\u305b\u308b\u300d\u304b\u306e\u5224\u65ad\u57fa\u6e96<\/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-table-border&#038;blog_slug=html-table-border&#038;seg=default\" 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-table-border&#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;\">BASICS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u306a\u305c\u7d4c\u55b6\u8005\u30fb\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u3082table\u306eborder\u8a2d\u5b9a\u3092\u77e5\u3063\u3066\u304a\u304f\u3079\u304d\u304b<\/span>\n  <span class=\"section-desc\">\u300c\u8868\u306b\u7dda\u304c\u5f15\u3051\u306a\u3044\u300d\u306f\u8ab0\u306b\u3067\u3082\u8d77\u3053\u308b\u58c1<\/span>\n<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1-1. table\u30bf\u30b0\u3068border\u306e\u57fa\u790e\u77e5\u8b58<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>&lt;table&gt;<\/code>\u30bf\u30b0\u306f\u3001Web\u30da\u30fc\u30b8\u306e\u4e2d\u306b\u300c\u8868\uff08\u30de\u30b9\u76ee\u72b6\u306e\u30c7\u30fc\u30bf\uff09\u300d\u3092\u4f5c\u308b\u305f\u3081\u306eHTML\u30bf\u30b0\u3067\u3059\u3002\u884c\u3092\u8868\u3059<code>&lt;tr&gt;<\/code>\u30bf\u30b0\u3001\u30bb\u30eb\uff08\u30de\u30b9\u76ee\uff09\u3092\u8868\u3059<code>&lt;td&gt;<\/code>\u30bf\u30b0\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3001Excel\u306e\u3088\u3046\u306a\u8868\u7d44\u307f\u3092Web\u30da\u30fc\u30b8\u4e0a\u306b\u518d\u73fe\u3057\u307e\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>HTML<\/strong>\uff1aWeb\u30da\u30fc\u30b8\u306e\u69cb\u9020\u3092\u4f5c\u308b\u305f\u3081\u306e\u8a00\u8a9e\uff08\u30de\u30fc\u30af\u30a2\u30c3\u30d7\u8a00\u8a9e\uff09\u3002\u300c\u898b\u51fa\u3057\u300d\u300c\u6bb5\u843d\u300d\u300c\u8868\u300d\u300c\u30ea\u30f3\u30af\u300d\u3068\u3044\u3063\u305f\u8981\u7d20\u306b\u30bf\u30b0\u3068\u547c\u3070\u308c\u308b\u76ee\u5370\u3092\u3064\u3051\u3066\u6587\u66f8\u3092\u7d44\u307f\u7acb\u3066\u307e\u3059\u3002Excel\u3067\u3044\u3046\u300c\u30bb\u30eb\u306e\u4e2d\u8eab\u300d\u3092\u4f5c\u308b\u305f\u3081\u306e\u9aa8\u7d44\u307f\u3060\u3068\u30a4\u30e1\u30fc\u30b8\u3059\u308b\u3068\u7406\u89e3\u3057\u3084\u3059\u3044\u3067\u3059\u3002<\/p>\n<\/div>\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>\u30bf\u30b0\uff08HTML\u30bf\u30b0\uff09<\/strong>\uff1a<code>&lt;p&gt;<\/code>\u3084<code>&lt;table&gt;<\/code>\u306e\u3088\u3046\u306b\u3001\u5c71\u62ec\u5f27\u3067\u56f2\u307e\u308c\u305f\u547d\u4ee4\u306e\u3053\u3068\u3002\u958b\u59cb\u30bf\u30b0\u3068\u7d42\u4e86\u30bf\u30b0\u3067\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u631f\u307f\u8fbc\u307f\u3001\u300c\u3053\u3053\u304b\u3089\u3053\u3053\u307e\u3067\u304c\u8868\u3067\u3059\u300d\u300c\u3053\u3053\u304b\u3089\u3053\u3053\u307e\u3067\u304c\u6bb5\u843d\u3067\u3059\u300d\u3068\u7bc4\u56f2\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:18px 22px;margin:20px 0;overflow-x:auto;\">\n<p style=\"margin:0 0 8px;font-size:12px;color:#9aa0a6;letter-spacing:1px;\">\u6700\u3082\u57fa\u672c\u7684\u306atable\u69cb\u9020<\/p><pre style=\"margin:0;color:#d4d4d4;font-size:13px;line-height:1.7;white-space:pre-wrap;\"><code>&lt;table&gt;\n  &lt;tr&gt;\n    &lt;td&gt;\u9805\u76ee&lt;\/td&gt;\n    &lt;td&gt;\u5185\u5bb9&lt;\/td&gt;\n  &lt;\/tr&gt;\n  &lt;tr&gt;\n    &lt;td&gt;\u4f1a\u793e\u540d&lt;\/td&gt;\n    &lt;td&gt;\u682a\u5f0f\u4f1a\u793eGENAI&lt;\/td&gt;\n  &lt;\/tr&gt;\n&lt;\/table&gt;<\/code><\/pre>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b3\u30fc\u30c9\u3060\u3051\u3067\u306f\u3001\u8868\u306e\u67a0\u7dda\uff08\u7f6b\u7dda\uff09\u306f\u8868\u793a\u3055\u308c\u307e\u305b\u3093\u3002\u30d6\u30e9\u30a6\u30b6\u3067\u958b\u304f\u3068\u3001\u6587\u5b57\u3060\u3051\u304c\u30de\u30b9\u76ee\u72b6\u306b\u4e26\u3093\u3067\u898b\u3048\u308b\u3082\u306e\u306e\u3001\u7dda\u304c\u4e00\u5207\u5f15\u304b\u308c\u3066\u3044\u306a\u3044\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u306b\u7f6b\u7dda\u3092\u3064\u3051\u308b\u306e\u304c\u3001\u3053\u306e\u8a18\u4e8b\u306e\u30c6\u30fc\u30de\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1-2. \u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u3064\u307e\u305a\u304f\u5178\u578b\u7684\u306a\u5834\u9762<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f0a\u793e\uff08\u682a\u5f0f\u4f1a\u793eGENAI\uff09\u304c\u7d4c\u55b6\u8005\u30fb\u7ba1\u7406\u8077\u306e\u65b9\u304b\u3089\u76f8\u8ac7\u3092\u53d7\u3051\u308b\u4e2d\u3067\u3001table\u306eborder\u8a2d\u5b9a\u3067\u3064\u307e\u305a\u304f\u5834\u9762\u306f\u4e3b\u306b3\u3064\u306e\u30d1\u30bf\u30fc\u30f3\u306b\u96c6\u7d04\u3055\u308c\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>\u793e\u5185\u30de\u30cb\u30e5\u30a2\u30eb\u3084\u6599\u91d1\u8868\u3092Web\u30da\u30fc\u30b8\u3068\u3057\u3066\u81ea\u4f5c\u3057\u3088\u3046\u3068\u3057\u305f\u3089\u3001\u7dda\u304c\u5f15\u3051\u306a\u304b\u3063\u305f<\/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>\u5916\u6ce8\u5148\u304c\u4f5c\u3063\u305f\u30da\u30fc\u30b8\u306e\u8868\u30c7\u30b6\u30a4\u30f3\u3092\u3001\u81ea\u5206\u305f\u3061\u3067\u5fae\u8abf\u6574\u3057\u3088\u3046\u3068\u3057\u3066\u8a70\u307e\u3063\u305f<\/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>\u7c21\u6613LP\uff08\u30e9\u30f3\u30c7\u30a3\u30f3\u30b0\u30da\u30fc\u30b8\uff09\u306e\u6bd4\u8f03\u8868\u3092\u4f5c\u308d\u3046\u3068\u3057\u305f\u3089\u3001\u7dda\u304c\u4e8c\u91cd\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u305f<\/span><\/div>\n\n<\/div>\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;\">\u3064\u307e\u305a\u304d\u306e\u591a\u304f\u306f\u300c\u60c5\u5831\u91cf\u306e\u591a\u3055\u300d\u304c\u539f\u56e0<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">HTML\u306eborder\u8a2d\u5b9a\u81ea\u4f53\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u304c\u3001\u691c\u7d22\u3059\u308b\u3068\u300c\u5c5e\u6027\u3067\u66f8\u304f\u65b9\u6cd5\u300d\u300cCSS\u3067\u66f8\u304f\u65b9\u6cd5\u300d\u300c\u4e21\u65b9\u304c\u6df7\u5728\u3057\u305f\u53e4\u3044\u8a18\u4e8b\u300d\u304c\u5165\u308a\u6df7\u3058\u3063\u3066\u51fa\u3066\u304d\u307e\u3059\u3002\u60c5\u5831\u306e\u65b0\u65e7\u304c\u6df7\u5728\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u3001\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u6df7\u4e71\u3055\u305b\u308b\u6700\u5927\u306e\u8981\u56e0\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u73fe\u5728\u6a19\u6e96\u3068\u3055\u308c\u308b\u65b9\u6cd5\u3092\u8ef8\u306b\u6574\u7406\u3057\u307e\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\">\u691c\u7d22\u3057\u3066\u51fa\u3066\u304f\u308b\u8a18\u4e8b\u306e\u591a\u304f\u306f\u3001\u3044\u3064\u66f8\u304b\u308c\u305f\u3082\u306e\u304b\u5206\u304b\u3089\u306a\u3044\u307e\u307e\u60c5\u5831\u3060\u3051\u304c\u4e26\u3093\u3067\u3044\u307e\u3059\u3002\u300c\u3053\u308c\u306f\u53e4\u3044\u66f8\u304d\u65b9\u304b\u3082\u3057\u308c\u306a\u3044\u300d\u3068\u7591\u3044\u306a\u304c\u3089\u8aad\u3080\u5fc5\u8981\u304c\u3042\u308b\u306e\u306f\u3001\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3068\u3063\u3066\u304b\u306a\u308a\u306e\u30b9\u30c8\u30ec\u30b9\u3060\u3068\u601d\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-table-border&#038;blog_slug=html-table-border&#038;seg=default\" 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-table-border&#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;\">LEGACY METHOD<\/span>\n  <span class=\"section-title\" style=\"display:block;\">HTML\u5c5e\u6027\u3067border\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\uff08\u30ec\u30ac\u30b7\u30fc\u624b\u6cd5\uff09<\/span>\n  <span class=\"section-desc\">\u4e00\u756a\u30b7\u30f3\u30d7\u30eb\u3060\u304c\u3001\u4eca\u306f\u63a8\u5968\u3055\u308c\u306a\u3044\u66f8\u304d\u65b9<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u3082\u624b\u3063\u53d6\u308a\u65e9\u3044\u65b9\u6cd5\u306f\u3001<code>&lt;table&gt;<\/code>\u30bf\u30b0\u306b\u76f4\u63a5<code>border<\/code>\u3068\u3044\u3046\u5c5e\u6027\uff08HTML\u5c5e\u6027\uff09\u3092\u66f8\u304d\u52a0\u3048\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:18px 22px;margin:20px 0;overflow-x:auto;\">\n<p style=\"margin:0 0 8px;font-size:12px;color:#9aa0a6;letter-spacing:1px;\">border\u5c5e\u6027\u3067\u7f6b\u7dda\u3092\u8868\u793a<\/p><pre style=\"margin:0;color:#d4d4d4;font-size:13px;line-height:1.7;white-space:pre-wrap;\"><code>&lt;table border=&quot;1&quot;&gt;\n  &lt;tr&gt;&lt;td&gt;\u9805\u76ee&lt;\/td&gt;&lt;td&gt;\u5185\u5bb9&lt;\/td&gt;&lt;\/tr&gt;\n  &lt;tr&gt;&lt;td&gt;\u4f1a\u793e\u540d&lt;\/td&gt;&lt;td&gt;\u682a\u5f0f\u4f1a\u793eGENAI&lt;\/td&gt;&lt;\/tr&gt;\n&lt;\/table&gt;<\/code><\/pre>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><code>border=&quot;1&quot;<\/code>\u3068\u66f8\u304f\u3068\u3001\u8868\u5168\u4f53\u3068\u3059\u3079\u3066\u306e\u30bb\u30eb\u306b\u7dda\u304c\u5f15\u304b\u308c\u307e\u3059\u3002\u6570\u5b57\u3092\u5927\u304d\u304f\u3059\u308b\u3068\u5916\u67a0\u306e\u592a\u3055\u304c\u5897\u3057\u307e\u3059\u304c\u3001\u30bb\u30eb\u5185\u5074\u306e\u7dda\u306e\u592a\u3055\u306b\u306f\u5f71\u97ff\u3057\u307e\u305b\u3093\u3002\u7dda\u3092\u6d88\u3057\u305f\u3044\u5834\u5408\u306f<code>border=&quot;0&quot;<\/code>\u306b\u3059\u308b\u304b\u3001border\u5c5e\u6027\u305d\u306e\u3082\u306e\u3092\u66f8\u304b\u306a\u3051\u308c\u3070\u3001\u7dda\u306a\u3057\u306e\u8868\u306b\u306a\u308a\u307e\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>HTML\u5c5e\u6027<\/strong>\uff1a\u30bf\u30b0\u306e\u4e2d\u306b\u300c\u8ffd\u52a0\u60c5\u5831\u300d\u3092\u66f8\u304d\u8fbc\u3080\u4ed5\u7d44\u307f\u3002<code>&lt;table border=&quot;1&quot;&gt;<\/code>\u306e\u3088\u3046\u306b\u3001\u30bf\u30b0\u540d\u306e\u5f8c\u308d\u306b\u534a\u89d2\u30b9\u30da\u30fc\u30b9\u3092\u7a7a\u3051\u3066<strong>\u5c5e\u6027\u540d=&quot;\u5024&quot;<\/strong>\u306e\u5f62\u3067\u8a18\u8ff0\u3057\u307e\u3059\u3002border\u5c5e\u6027\u4ee5\u5916\u306b\u3082\u3001\u5e45\u3092\u6307\u5b9a\u3059\u308bwidth\u5c5e\u6027\u306a\u3069\u3001\u898b\u305f\u76ee\u306b\u95a2\u308f\u308b\u5c5e\u6027\u304c\u304b\u3064\u3066\u306f\u6570\u591a\u304f\u4f7f\u308f\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<\/div>\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;\">border\u5c5e\u6027\u306f\u300c\u975e\u63a8\u5968\u300d\u306e\u66f8\u304d\u65b9<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">border\u5c5e\u6027\u306f\u73fe\u5728\u3082\u591a\u304f\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u52d5\u4f5c\u3057\u307e\u3059\u304c\u3001HTML5\u4ee5\u964d\u306f\u898b\u305f\u76ee\u306e\u6307\u5b9a\u3092<strong>CSS\u306b\u4e00\u672c\u5316\u3059\u308b<\/strong>\u306e\u304c\u6a19\u6e96\u3067\u3059\u3002width\u5c5e\u6027\u3084bgcolor\u5c5e\u6027\u306a\u3069\u3001\u304b\u3064\u3066HTML\u5c5e\u6027\u3067\u884c\u3063\u3066\u3044\u305f\u88c5\u98fe\u306f\u8ed2\u4e26\u307fCSS\u306b\u7f6e\u304d\u63db\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u5c06\u6765\u7684\u306a\u4fdd\u5b88\u6027\u30fb\u30c7\u30b6\u30a4\u30f3\u306e\u81ea\u7531\u5ea6\u3092\u8003\u3048\u308b\u3068\u3001\u3053\u308c\u304b\u3089\u65b0\u3057\u304f\u8868\u3092\u4f5c\u308b\u306a\u3089\u6b21\u7ae0\u306eCSS\u3067\u306e\u6307\u5b9a\u3092\u512a\u5148\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2-1. border\u5c5e\u6027\u306e\u9650\u754c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">border\u5c5e\u6027\u306b\u306f\u5927\u304d\u306a\u5f31\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<strong>\u7dda\u306e\u8272\u30fb\u592a\u3055\u30fb\u7a2e\u985e\uff08\u5b9f\u7dda\/\u70b9\u7dda\uff09\u3092\u67d4\u8edf\u306b\u5909\u66f4\u3067\u304d\u306a\u3044<\/strong>\u3053\u3068\u3067\u3059\u3002\u5c5e\u6027\u5024\u306e\u6570\u5b57\u3092\u5909\u3048\u3066\u3082\u5916\u67a0\u304c\u592a\u304f\u306a\u308b\u3060\u3051\u3067\u3001\u30bb\u30eb\u5185\u306e\u7dda\u3092\u7d30\u304f\u3057\u305f\u308a\u3001\u8272\u3092\u5909\u3048\u305f\u308a\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u51dd\u3063\u305f\u30c7\u30b6\u30a4\u30f3\u306e\u8868\u3092\u4f5c\u308a\u305f\u3044\u5834\u5408\u3001border\u5c5e\u6027\u3060\u3051\u3067\u306f\u65e9\u3005\u306b\u9650\u754c\u304c\u6765\u307e\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u9805\u76ee<\/th><th>HTML\u5c5e\u6027 (border)<\/th><th>CSS (border\u30d7\u30ed\u30d1\u30c6\u30a3)<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u7dda\u306e\u8868\u793a\/\u975e\u8868\u793a<\/td><td>\u25cb \u6570\u5b571\u3064\u3067\u53ef\u80fd<\/td><td>\u25cb \u7d30\u304b\u304f\u6307\u5b9a\u53ef\u80fd<\/td><\/tr>\n<tr><td>\u7dda\u306e\u8272\u3092\u5909\u3048\u308b<\/td><td>\u00d7 \u3067\u304d\u306a\u3044<\/td><td>\u25cb border-color\u3067\u81ea\u7531\u306b\u6307\u5b9a<\/td><\/tr>\n<tr><td>\u7dda\u306e\u592a\u3055\u3092\u5909\u3048\u308b<\/td><td>\u25b3 \u5916\u67a0\u306e\u307f<\/td><td>\u25cb \u4e0a\u4e0b\u5de6\u53f3\u3092\u500b\u5225\u306b\u6307\u5b9a\u53ef\u80fd<\/td><\/tr>\n<tr><td>\u7dda\u306e\u7a2e\u985e\uff08\u70b9\u7dda\u30fb\u7834\u7dda\uff09<\/td><td>\u00d7 \u3067\u304d\u306a\u3044<\/td><td>\u25cb border-style\u3067\u6307\u5b9a\u53ef\u80fd<\/td><\/tr>\n<tr><td>\u8907\u6570\u30da\u30fc\u30b8\u3078\u306e\u4e00\u62ec\u9069\u7528<\/td><td>\u00d7 1\u30da\u30fc\u30b8\u305a\u3064\u66f8\u304d\u76f4\u3057<\/td><td>\u25cb CSS\u30d5\u30a1\u30a4\u30eb1\u3064\u3067\u5168\u30da\u30fc\u30b8\u306b\u53cd\u6620<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:linear-gradient(135deg,#1a1a1a,#1a2520);border-radius:12px;padding:20px 24px;margin:24px 0;display:flex;align-items:center;gap:16px;color:#fff;\">\n  <span style=\"font-size:36px;\">&#127942;<\/span>\n  <div>\n    <div style=\"font-size:13px;color:#10b981;font-weight:700;letter-spacing:1px;\">VERDICT<\/div>\n    <div style=\"font-size:18px;font-weight:800;\">CSS \u306b\u8ecd\u914d<\/div>\n    <div style=\"font-size:14px;color:rgba(255,255,255,0.7);margin-top:4px;\">\u3059\u3050\u8a66\u3059\u3060\u3051\u306a\u3089HTML\u5c5e\u6027\u3067\u3082\u5341\u5206\u3002\u305f\u3060\u3057\u8272\u30fb\u592a\u3055\u30fb\u8907\u6570\u30da\u30fc\u30b8\u3078\u306e\u4e00\u62ec\u53cd\u6620\u307e\u3067\u8003\u3048\u308b\u3068\u3001CSS\u3067\u306e\u6307\u5b9a\u304c\u5727\u5012\u7684\u306b\u6709\u5229\u3002<\/div>\n  <\/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\u306e\u521d\u671f\u306e\u8cc7\u6599\u30da\u30fc\u30b8\u3082\u3001\u6700\u521d\u306fborder=&quot;1&quot;\u3067\u4f5c\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u305f\u3060\u300c\u3082\u3046\u5c11\u3057\u7dda\u3092\u8584\u3044\u30b0\u30ec\u30fc\u306b\u3057\u305f\u3044\u300d\u3068\u601d\u3063\u305f\u77ac\u9593\u306b\u3001HTML\u5c5e\u6027\u3067\u306f\u3069\u3046\u306b\u3082\u306a\u3089\u306a\u3044\u3053\u3068\u306b\u6c17\u3065\u3044\u3066\u3001CSS\u306b\u66f8\u304d\u76f4\u3057\u305f\u7d4c\u9a13\u304c\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-table-border&#038;blog_slug=html-table-border&#038;seg=default\" 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-table-border&#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;\">MODERN CSS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">CSS\u3067\u6b63\u3057\u304f\u7f6b\u7dda\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\uff08\u73fe\u5728\u306e\u6a19\u6e96\uff09<\/span>\n  <span class=\"section-desc\">border-collapse\u3068\u30bb\u30ec\u30af\u30bf\u306e\u8003\u3048\u65b9\u3092\u62bc\u3055\u3048\u308b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u73fe\u5728\u306eWeb\u5236\u4f5c\u3067\u6a19\u6e96\u3068\u3055\u308c\u3066\u3044\u308b\u306e\u306f\u3001HTML\u5c5e\u6027\u3092\u4f7f\u308f\u305a\u3001<strong>CSS\uff08\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\uff09<\/strong>\u3067\u7f6b\u7dda\u3092\u6307\u5b9a\u3059\u308b\u65b9\u6cd5\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>CSS (Cascading Style Sheets)<\/strong>\uff1aWeb\u30da\u30fc\u30b8\u306e\u300c\u898b\u305f\u76ee\u300d\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306e\u8a00\u8a9e\u3002HTML\u304c\u6587\u66f8\u306e\u69cb\u9020\uff08\u9aa8\u7d44\u307f\uff09\u3092\u4f5c\u308b\u306e\u306b\u5bfe\u3057\u3001CSS\u306f\u8272\u30fb\u4f59\u767d\u30fb\u7dda\u30fb\u914d\u7f6e\u3068\u3044\u3063\u305f\u88c5\u98fe\u3092\u62c5\u5f53\u3057\u307e\u3059\u3002Excel\u3067\u3044\u3046\u300c\u30bb\u30eb\u306e\u66f8\u5f0f\u8a2d\u5b9a\u300d\u306b\u8fd1\u3044\u5f79\u5272\u3092\u679c\u305f\u3059\u3082\u306e\u3060\u3068\u30a4\u30e1\u30fc\u30b8\u3059\u308b\u3068\u5206\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:18px 22px;margin:20px 0;overflow-x:auto;\">\n<p style=\"margin:0 0 8px;font-size:12px;color:#9aa0a6;letter-spacing:1px;\">CSS\u3067border\u3092\u6307\u5b9a\u3059\u308b\u57fa\u672c\u5f62<\/p><pre style=\"margin:0;color:#d4d4d4;font-size:13px;line-height:1.7;white-space:pre-wrap;\"><code>&lt;style&gt;\n  table, th, td {\n    border: 1px solid #333;\n  }\n&lt;\/style&gt;\n\n&lt;table&gt;\n  &lt;tr&gt;&lt;td&gt;\u9805\u76ee&lt;\/td&gt;&lt;td&gt;\u5185\u5bb9&lt;\/td&gt;&lt;\/tr&gt;\n&lt;\/table&gt;<\/code><\/pre>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001table\u30fbth\u30fbtd\u3068\u3044\u30463\u7a2e\u985e\u306e\u8981\u7d20\u3059\u3079\u3066\u306b<code>border: 1px solid #333;<\/code>\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u300c1px\uff08\u592a\u30551\u30d4\u30af\u30bb\u30eb\uff09\u30fbsolid\uff08\u5b9f\u7dda\uff09\u30fb#333\uff08\u6fc3\u3044\u30b0\u30ec\u30fc\uff09\u300d\u3068\u3044\u30463\u3064\u306e\u60c5\u5831\u30921\u884c\u3067\u8868\u73fe\u3067\u304d\u308b\u306e\u304c\u3001CSS\u306e\u5f37\u307f\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>\u30bb\u30ec\u30af\u30bf<\/strong>\uff1aCSS\u3067\u300c\u3069\u306e\u8981\u7d20\u306b\u5bfe\u3057\u3066\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3059\u308b\u304b\u300d\u3092\u6307\u5b9a\u3059\u308b\u90e8\u5206\u3002<code>table, th, td<\/code>\u306e\u3088\u3046\u306b\u8981\u7d20\u540d\u3092\u5217\u6319\u3057\u305f\u308a\u3001\u30af\u30e9\u30b9\u540d\u3092\u4f7f\u3063\u3066\u7279\u5b9a\u306e\u5834\u6240\u3060\u3051\u3092\u72d9\u3044\u6483\u3061\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002\u30bb\u30ec\u30af\u30bf\u3092\u6b63\u3057\u304f\u7406\u89e3\u3059\u308b\u3068\u3001\u30da\u30fc\u30b8\u5168\u4f53\u3067\u306f\u306a\u304f\u300c\u3053\u306e\u8868\u3060\u3051\u300d\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u5f53\u3066\u308b\u3068\u3044\u3063\u305f\u7d30\u304b\u3044\u5236\u5fa1\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">3-1. \u306a\u305cborder\u5c5e\u6027\u3067\u306f\u306a\u304fCSS\u304c\u63a8\u5968\u3055\u308c\u308b\u306e\u304b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CSS\u3092\u4f7f\u3046\u6700\u5927\u306e\u30e1\u30ea\u30c3\u30c8\u306f<strong>\u4e00\u5143\u7ba1\u7406<\/strong>\u3067\u3059\u3002border\u5c5e\u6027\u306f\u88681\u30641\u3064\u306b\u66f8\u304d\u8fbc\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001CSS\u306a\u30891\u7b87\u6240\u306e\u8a18\u8ff0\u3092\u5909\u66f4\u3059\u308b\u3060\u3051\u3067\u3001\u30b5\u30a4\u30c8\u5185\u3059\u3079\u3066\u306e\u8868\u306e\u30c7\u30b6\u30a4\u30f3\u3092\u4e00\u62ec\u3067\u5909\u66f4\u3067\u304d\u307e\u3059\u3002\u793e\u5185\u8cc7\u6599\u304c10\u30da\u30fc\u30b8\u300120\u30da\u30fc\u30b8\u3068\u5897\u3048\u3066\u3044\u304f\u72b6\u6cc1\u3092\u60f3\u50cf\u3059\u308b\u3068\u3001\u3053\u306e\u5dee\u306f\u6c7a\u5b9a\u7684\u3067\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;\">\u8ff7\u3063\u305f\u3089\u300c\u898b\u305f\u76ee\u306fCSS\u3001\u69cb\u9020\u306fHTML\u300d\u3068\u899a\u3048\u308b<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">HTML\u306f\u300c\u8868\u304c\u3042\u308b\u300d\u3068\u3044\u3046\u9aa8\u7d44\u307f\u3060\u3051\u3092\u62c5\u5f53\u3057\u3001\u7dda\u306e\u8272\u3084\u592a\u3055\u3068\u3044\u3063\u305f\u898b\u305f\u76ee\u306e\u60c5\u5831\u306f\u3059\u3079\u3066CSS\u306b\u66f8\u304f\u2014\u2014\u3053\u306e\u5f79\u5272\u5206\u62c5\u3055\u3048\u899a\u3048\u3066\u304a\u3051\u3070\u3001border\u5c5e\u6027\u304bCSS\u304b\u3067\u8ff7\u3046\u3053\u3068\u306f\u306a\u304f\u306a\u308a\u307e\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\">HTML\u3068CSS\u306e\u5f79\u5272\u5206\u62c5\u306f\u3001\u4f1a\u793e\u7d44\u7e54\u306b\u305f\u3068\u3048\u308b\u3068\u300c\u69cb\u9020\uff08\u8ab0\u304c\u3069\u306e\u90e8\u7f72\u306b\u5c5e\u3059\u308b\u304b\uff09\u300d\u3068\u300c\u904b\u7528\u30eb\u30fc\u30eb\uff08\u670d\u88c5\u3084\u50cd\u304d\u65b9\uff09\u300d\u306e\u95a2\u4fc2\u306b\u8fd1\u3044\u3067\u3059\u3002\u69cb\u9020\u3092\u30b3\u30ed\u30b3\u30ed\u5909\u3048\u308b\u3088\u308a\u3001\u904b\u7528\u30eb\u30fc\u30eb\u3060\u3051\u3092\u4e00\u62ec\u3067\u66f4\u65b0\u3059\u308b\u65b9\u304c\u3001\u5909\u66f4\u306f\u5727\u5012\u7684\u306b\u697d\u306b\u306a\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>Step 1<\/strong><br><span style=\"font-size:12px;\">table\u30bf\u30b0\u3067<br>\u8868\u306e\u9aa8\u7d44\u307f\u3092\u4f5c\u308b<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>Step 2<\/strong><br><span style=\"font-size:12px;\">CSS\u3067<br>border\u3092\u6307\u5b9a<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>Step 3<\/strong><br><span style=\"font-size:12px;\">border-collapse\u3067<br>\u4e8c\u91cd\u7dda\u3092\u89e3\u6d88<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>Step 4<\/strong><br><span style=\"font-size:12px;\">border-color\u3067<br>\u8272\u3092\u8abf\u6574<\/span><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u307e\u3067\u306e\u6d41\u308c\u3092\u6574\u7406\u3059\u308b\u3068\u3001\u300cHTML\u3067\u9aa8\u7d44\u307f\u3092\u4f5c\u308a\u3001CSS\u3067\u7dda\u306e\u898b\u305f\u76ee\u3092\u6574\u3048\u3001border-collapse\u3067\u4e8c\u91cd\u7dda\u3092\u89e3\u6d88\u3057\u3001\u6700\u5f8c\u306b\u8272\u3092\u8abf\u6574\u3059\u308b\u300d\u3068\u3044\u30464\u30b9\u30c6\u30c3\u30d7\u306b\u306a\u308a\u307e\u3059\u3002\u6b21\u306e\u7ae0\u3067\u306f\u3001\u5b9f\u969b\u306b\u3064\u307e\u305a\u304d\u3084\u3059\u3044\u300c\u4e8c\u91cd\u7dda\u554f\u984c\u300d\u3068\u300c\u8272\u306e\u5909\u66f4\u300d\u3092\u5177\u4f53\u7684\u306a\u30b3\u30fc\u30c9\u3067\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\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-table-border&#038;blog_slug=html-table-border&#038;seg=default\" 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-table-border&#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;\">PRACTICAL PATTERNS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u4e8c\u91cd\u7dda\u3092\u4e00\u672c\u306b\u3059\u308b\u30fb\u8272\u3092\u5909\u3048\u308b\u5b9f\u8df5\u30d1\u30bf\u30fc\u30f3<\/span>\n  <span class=\"section-desc\">border-collapse\u3068border-color\u306e\u4f7f\u3044\u65b9<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u307b\u3069\u306eCSS\u30b3\u30fc\u30c9\u3092\u305d\u306e\u307e\u307e\u4f7f\u3046\u3068\u3001\u5b9f\u306f\u8868\u306e\u5185\u5074\u306e\u7dda\u304c<strong>\u4e8c\u91cd\u7dda<\/strong>\u306b\u306a\u3063\u3066\u8868\u793a\u3055\u308c\u307e\u3059\u3002table\u81ea\u4f53\u306e\u5916\u67a0\u3068\u3001\u5404\u30bb\u30eb\uff08td\uff09\u306e\u7dda\u304c\u305d\u308c\u305e\u308c\u72ec\u7acb\u3057\u3066\u63cf\u753b\u3055\u308c\u308b\u305f\u3081\u3001\u96a3\u308a\u5408\u3046\u30bb\u30eb\u306e\u5883\u76ee\u306b\u7dda\u304c2\u672c\u91cd\u306a\u3063\u3066\u898b\u3048\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:18px 22px;margin:20px 0;overflow-x:auto;\">\n<p style=\"margin:0 0 8px;font-size:12px;color:#9aa0a6;letter-spacing:1px;\">border-collapse\u3067\u4e8c\u91cd\u7dda\u3092\u89e3\u6d88<\/p><pre style=\"margin:0;color:#d4d4d4;font-size:13px;line-height:1.7;white-space:pre-wrap;\"><code>table, th, td {\n  border: 1px solid #333;\n}\ntable {\n  border-collapse: collapse;\n}<\/code><\/pre>\n<\/div>\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>border-collapse<\/strong>\uff1atable\u30fbth\u30fbtd\u304c\u305d\u308c\u305e\u308c\u500b\u5225\u306b\u6301\u3063\u3066\u3044\u308b\u7dda\u3092\u30011\u672c\u306e\u7dda\u306b\u7d71\u5408\u3059\u308bCSS\u30d7\u30ed\u30d1\u30c6\u30a3\u3002\u521d\u671f\u5024\u306f\u300cseparate\uff08\u5206\u96e2\uff09\u300d\u3067\u3001\u3053\u308c\u304c\u4e8c\u91cd\u7dda\u306e\u6b63\u4f53\u3067\u3059\u3002\u5024\u3092\u300ccollapse\uff08\u7d71\u5408\uff09\u300d\u306b\u5909\u66f4\u3059\u308b\u3060\u3051\u3067\u3001\u7dda\u304c\u304d\u308c\u3044\u306a1\u672c\u306b\u6574\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">border-collapse\u3092\u6307\u5b9a\u3059\u308b\u306e\u306f<code>table<\/code>\u8981\u7d201\u7b87\u6240\u3060\u3051\u3067\u69cb\u3044\u307e\u305b\u3093\u3002td\u3084th\u306b\u500b\u5225\u306b\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u306f\u306a\u304f\u3001\u8868\u5168\u4f53\u306b\u5bfe\u3057\u3066\u4e00\u5ea6\u66f8\u3051\u3070\u3001\u5185\u90e8\u306e\u3059\u3079\u3066\u306e\u30bb\u30eb\u5883\u754c\u306b\u53cd\u6620\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4-1. \u7dda\u306e\u8272\u3092\u5909\u3048\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7dda\u306e\u8272\u3092\u5909\u3048\u305f\u3044\u5834\u5408\u306f<code>border-color<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:18px 22px;margin:20px 0;overflow-x:auto;\">\n<p style=\"margin:0 0 8px;font-size:12px;color:#9aa0a6;letter-spacing:1px;\">\u898b\u51fa\u3057\u884c(th)\u3060\u3051\u8272\u3092\u5909\u3048\u308b\u4f8b<\/p><pre style=\"margin:0;color:#d4d4d4;font-size:13px;line-height:1.7;white-space:pre-wrap;\"><code>table, th, td {\n  border: 1px solid #333;\n}\ntable {\n  border-collapse: collapse;\n}\nth {\n  border-color: #dc2626;\n  background-color: #fef2f2;\n}<\/code><\/pre>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u898b\u51fa\u3057\u884c\uff08th\uff09\u3060\u3051border-color\u3092\u8d64\u7cfb\u306b\u5909\u66f4\u3057\u3001\u80cc\u666f\u8272\u3082\u8584\u3044\u8d64\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b<strong>\u8981\u7d20\u3054\u3068\u306b\u500b\u5225\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u91cd\u306d\u3089\u308c\u308b<\/strong>\u306e\u304cCSS\u306e\u67d4\u8edf\u6027\u3067\u3001border\u5c5e\u6027\u3067\u306f\u518d\u73fe\u3067\u304d\u306a\u3044\u8868\u73fe\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>\u8272\u306f\u300c#dc2626\u300d\u306e\u3088\u3046\u306a\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\u304b\u3001\u300cred\u300d\u306e\u3088\u3046\u306a\u8272\u540d\u3067\u6307\u5b9a\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>border-color\u3060\u3051\u3067\u306a\u304f\u3001border\u5168\u4f53\u3092\u66f8\u304d\u63db\u3048\u3066\u8272\u30fb\u592a\u3055\u30fb\u7dda\u7a2e\u3092\u307e\u3068\u3081\u3066\u5909\u66f4\u3057\u3066\u3082\u3088\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>\u898b\u51fa\u3057\u884c\uff08th\uff09\u3068\u672c\u6587\u884c\uff08td\uff09\u3067\u8272\u3092\u5206\u3051\u308b\u3068\u3001\u8868\u306e\u53ef\u8aad\u6027\u304c\u5927\u304d\u304f\u5411\u4e0a\u3059\u308b<\/span><\/div>\n\n<\/div>\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;\">\u3088\u304f\u3042\u308b\u5931\u6557\uff1aborder-collapse\u3092\u66f8\u304d\u5fd8\u308c\u308b<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">CSS\u3067\u7f6b\u7dda\u3092\u7dba\u9e97\u306b\u6574\u3048\u305f\u306f\u305a\u306a\u306e\u306b\u4e8c\u91cd\u7dda\u306e\u307e\u307e\u2014\u2014\u3068\u3044\u3046\u76f8\u8ac7\u306e\u591a\u304f\u306f\u3001border-collapse\u306e\u66f8\u304d\u5fd8\u308c\u3067\u3059\u3002border-color\u3084border-style\u3092\u3069\u308c\u3060\u3051\u8abf\u6574\u3057\u3066\u3082\u3001border-collapse\u304c\u306a\u3051\u308c\u3070\u4e8c\u91cd\u7dda\u306f\u89e3\u6d88\u3055\u308c\u307e\u305b\u3093\u3002\u307e\u305a\u3053\u306e1\u884c\u3092\u7591\u3063\u3066\u304f\u3060\u3055\u3044\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\">border-collapse\u306f\u672c\u5f53\u306b\u300c\u77e5\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u300d\u3060\u3051\u306e\u4e16\u754c\u3067\u3059\u3002\u77e5\u3089\u306a\u3044\u3068\u5ef6\u3005\u3068\u4e8c\u91cd\u7dda\u306b\u60a9\u307e\u3055\u308c\u307e\u3059\u304c\u3001\u77e5\u3063\u3066\u3044\u308c\u30701\u884c\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3067\u89e3\u6c7a\u3057\u307e\u3059\u3002\u3053\u3046\u3057\u305f\u300c\u77e5\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3067\u4f5c\u696d\u6642\u9593\u304c\u5927\u304d\u304f\u5909\u308f\u308b\u300d\u30dd\u30a4\u30f3\u30c8\u306f\u3001HTML\/CSS\u306b\u6570\u591a\u304f\u5b58\u5728\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-table-border&#038;blog_slug=html-table-border&#038;seg=default\" 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-table-border&#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;\">TROUBLESHOOTING<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u3088\u304f\u3042\u308b\u5931\u6557\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/span>\n  <span class=\"section-desc\">\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u5b9f\u52d9\u3067\u3076\u3064\u304b\u308a\u3084\u3059\u30445\u3064\u306e\u58c1<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u3067\u306f\u3001\u5f0a\u793e\u304c\u5b9f\u969b\u306b\u76f8\u8ac7\u3092\u53d7\u3051\u3066\u304d\u305f\u4e2d\u3067\u983b\u5ea6\u306e\u9ad8\u3044\u5931\u6557\u30d1\u30bf\u30fc\u30f3\u30925\u3064\u7d39\u4ecb\u3057\u307e\u3059\u3002\u539f\u56e0\u3055\u3048\u5206\u304b\u308c\u3070\u3001\u5bfe\u51e6\u81ea\u4f53\u306f\u6570\u884c\u306e\u30b3\u30fc\u30c9\u4fee\u6b63\u3067\u6e08\u3080\u30b1\u30fc\u30b9\u304c\u307b\u3068\u3093\u3069\u3067\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u75c7\u72b6<\/th><th>\u4e3b\u306a\u539f\u56e0<\/th><th>\u5bfe\u51e6\u6cd5<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u7dda\u304c\u4e8c\u91cd\u306b\u306a\u308b<\/td><td>border-collapse\u306e\u672a\u6307\u5b9a<\/td><td>table\u8981\u7d20\u306bborder-collapse: collapse\u3092\u8ffd\u52a0<\/td><\/tr>\n<tr><td>\u7dda\u306e\u8272\u304c\u5909\u308f\u3089\u306a\u3044<\/td><td>HTML\u5c5e\u6027\u306eborder\u3092\u4f7f\u3063\u3066\u3044\u308b<\/td><td>CSS\u306eborder-color\u306b\u66f8\u304d\u63db\u3048\u308b<\/td><\/tr>\n<tr><td>\u4e00\u90e8\u306e\u30bb\u30eb\u3060\u3051\u7dda\u304c\u306a\u3044<\/td><td>th\u307e\u305f\u306ftd\u306e\u7247\u65b9\u306b\u3057\u304bborder\u3092\u6307\u5b9a\u3057\u3066\u3044\u306a\u3044<\/td><td>table, th, td\u3059\u3079\u3066\u306bborder\u3092\u6307\u5b9a\u3059\u308b<\/td><\/tr>\n<tr><td>\u30b9\u30de\u30db\u3067\u8868\u304c\u5d29\u308c\u308b<\/td><td>\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc\u304c\u3055\u308c\u3066\u3044\u306a\u3044<\/td><td>\u6a2a\u30b9\u30af\u30ed\u30fc\u30eb\u7528\u306ediv\u3067\u56f2\u307f\u3001overflow-x: auto\u3092\u6307\u5b9a<\/td><\/tr>\n<tr><td>\u7dda\u304c\u592a\u3059\u304e\u308b\/\u7d30\u3059\u304e\u308b<\/td><td>border\u5c5e\u6027\u306e\u6570\u5b57\u3060\u3051\u3067\u592a\u3055\u3092\u8abf\u6574\u3057\u3066\u3044\u308b<\/td><td>CSS\u3067border: 1px solid\u306e\u3088\u3046\u306b\u30d4\u30af\u30bb\u30eb\u5358\u4f4d\u6307\u5b9a<\/td><\/tr>\n<\/tbody>\n<\/table>\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>\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3<\/strong>\uff1a\u753b\u9762\u30b5\u30a4\u30ba\uff08\u30d1\u30bd\u30b3\u30f3\u30fb\u30bf\u30d6\u30ec\u30c3\u30c8\u30fb\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\uff09\u306b\u5fdc\u3058\u3066\u3001\u8868\u793a\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u81ea\u52d5\u7684\u306b\u6700\u9069\u5316\u3059\u308b\u8a2d\u8a08\u624b\u6cd5\u3002\u8868\uff08table\uff09\u306f\u3082\u3068\u3082\u3068\u6a2a\u5e45\u304c\u56fa\u5b9a\u7684\u306b\u306a\u308a\u3084\u3059\u3044\u305f\u3081\u3001\u30b9\u30de\u30db\u3067\u898b\u308b\u3068\u6b04\u304c\u6f70\u308c\u305f\u308a\u3001\u306f\u307f\u51fa\u3057\u305f\u308a\u3059\u308b\u5178\u578b\u7684\u306a\u300c\u5d29\u308c\u3084\u3059\u3044\u8981\u7d20\u300d\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">5-1. \u30b9\u30de\u30db\u8868\u793a\u3067\u5d29\u308c\u308b\u554f\u984c\u3078\u306e\u5bfe\u51e6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7279\u306b\u76f8\u8ac7\u304c\u591a\u3044\u306e\u304c\u3001\u30d1\u30bd\u30b3\u30f3\u3067\u306f\u7dba\u9e97\u306b\u898b\u3048\u3066\u3044\u305f\u8868\u304c\u3001\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3067\u958b\u304f\u3068\u6a2a\u306b\u6f70\u308c\u3066\u8aad\u3081\u306a\u304f\u306a\u308b\u554f\u984c\u3067\u3059\u3002\u8868\u306e\u5217\u6570\u304c\u591a\u3044\u5834\u5408\u3001\u753b\u9762\u5e45\u306b\u53ce\u307e\u308a\u304d\u3089\u305a\u306b\u6587\u5b57\u304c\u7e2e\u5c0f\u3055\u308c\u305f\u308a\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u306f\u307f\u51fa\u3057\u305f\u308a\u3057\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;\">\u5fdc\u6025\u51e6\u7f6e\u306f\u300c\u6a2a\u30b9\u30af\u30ed\u30fc\u30eb\u3067\u304d\u308b\u7bb1\u300d\u306b\u5165\u308c\u308b\u3053\u3068<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u8868\u3092<code>&lt;div style=&quot;overflow-x:auto;&quot;&gt;<\/code>\u3067\u56f2\u3080\u3060\u3051\u3067\u3001\u753b\u9762\u5e45\u3092\u8d85\u3048\u305f\u5206\u306f\u6a2a\u30b9\u30af\u30ed\u30fc\u30eb\u3067\u95b2\u89a7\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u6839\u672c\u7684\u306a\u30ec\u30a4\u30a2\u30a6\u30c8\u518d\u8a2d\u8a08\u3092\u3057\u306a\u304f\u3066\u3082\u3001\u3053\u306e\u4e00\u624b\u9593\u3067\u300c\u30b9\u30de\u30db\u3067\u8aad\u3081\u306a\u3044\u300d\u3068\u3044\u3046\u81f4\u547d\u7684\u306a\u554f\u984c\u306f\u56de\u907f\u3067\u304d\u307e\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\">\u5f0a\u793e\u306e\u30b5\u30a4\u30c8\u3067\u3082\u3001\u6599\u91d1\u6bd4\u8f03\u8868\u304c\u30b9\u30de\u30db\u3067\u6f70\u308c\u3066\u3057\u307e\u3044\u554f\u3044\u5408\u308f\u305b\u304c\u6765\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u539f\u56e0\u3092\u8abf\u3079\u308b\u3088\u308a\u5148\u306b\u3001\u307e\u305a\u6a2a\u30b9\u30af\u30ed\u30fc\u30eb\u5bfe\u5fdc\u3092\u5165\u308c\u308b\u3060\u3051\u3067\u5fdc\u6025\u51e6\u7f6e\u306b\u306a\u308b\u3068\u3044\u3046\u306e\u306f\u3001\u899a\u3048\u3066\u304a\u3044\u3066\u640d\u306f\u306a\u3044\u77e5\u8b58\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3046\u3057\u305f\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u3001\u539f\u56e0\u3055\u3048\u5206\u304b\u308c\u3070\u5bfe\u51e6\u81ea\u4f53\u306f\u6570\u884c\u306e\u30b3\u30fc\u30c9\u4fee\u6b63\u3067\u6e08\u3080\u30b1\u30fc\u30b9\u304c\u307b\u3068\u3093\u3069\u3067\u3059\u3002\u3057\u304b\u3057\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3068\u3063\u3066\u306f\u3001\u305d\u3082\u305d\u3082\u300c\u4f55\u304c\u539f\u56e0\u304b\u300d\u3092\u7279\u5b9a\u3059\u308b\u4f5c\u696d\u81ea\u4f53\u304c\u6700\u5927\u306e\u30cf\u30fc\u30c9\u30eb\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u304b\u3089\u306f\u3001\u3053\u306e\u300c\u539f\u56e0\u7279\u5b9a\u3068\u4fee\u6b63\u300d\u3068\u3044\u3046\u4f5c\u696d\u3092\u3001\u5f0a\u793e\u304c\u5b9f\u969b\u306b\u3069\u3046\u52b9\u7387\u5316\u3057\u3066\u3044\u308b\u304b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\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-table-border&#038;blog_slug=html-table-border&#038;seg=default\" 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-table-border&#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;\">GENAI CASE STUDY<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u3010\u72ec\u81ea\u30c7\u30fc\u30bf\u3011GENAI\u5b9f\u904b\u7528\uff1a\u8868\u30c7\u30b6\u30a4\u30f3\u306e\u4fee\u6b63\u3092Claude Code\u306b\u4efb\u305b\u3066\u3044\u308b\u5b9f\u4f8b<\/span>\n  <span class=\"section-desc\">Max 20x\u30d7\u30e9\u30f3\u5951\u7d04\u4f01\u696d\u304c\u3001HTML\/CSS\u306e\u7d30\u304b\u3044\u4fee\u6b63\u3092\u3069\u3046\u6271\u3063\u3066\u3044\u308b\u304b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u304b\u3089\u306f\u5f0a\u793e\uff08\u682a\u5f0f\u4f1a\u793eGENAI\uff09\u306e\u5b9f\u4f8b\u3067\u3059\u3002\u5f0a\u793e\u3067\u306fClaude Max 20x\u30d7\u30e9\u30f3\uff08\u6708\u984d$200\u30fb\u7d0430,000\u5186\uff09\u3092\u5951\u7d04\u3057\u3001\u7d4c\u55b6\u30fb\u55b6\u696d\u30fb\u5e83\u544a\u30fb\u958b\u767a\u30fb\u7d4c\u7406\u30fb\u79d8\u66f8\u696d\u52d9\u307e\u3067\u793e\u5185\u306e\u3042\u3089\u3086\u308b\u696d\u52d9\u3067Claude Code\u3092\u6d3b\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u958b\u767a\u9818\u57df\u3067\u306f\u3001WordPress\u3084LP\uff08\u30e9\u30f3\u30c7\u30a3\u30f3\u30b0\u30da\u30fc\u30b8\uff09\u5236\u4f5c\u3001\u8868\u7d44\u307f\u3092\u542b\u3080\u7d30\u304b\u3044HTML\/CSS\u4fee\u6b63\u3082\u3001Claude Code\u306b\u4efb\u305b\u308b\u5834\u9762\u304c\u591a\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u9805\u76ee<\/th><th>\u5185\u5bb9<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u5951\u7d04\u30d7\u30e9\u30f3<\/td><td>Claude Max 20x\uff08\u6708$200 \/ \u7d0430,000\u5186\uff09<\/td><\/tr>\n<tr><td>\u5229\u7528\u958b\u59cb<\/td><td>2025\u5e74\u5f8c\u534a\u301c<\/td><\/tr>\n<tr><td>\u8a72\u5f53\u696d\u52d9\u9818\u57df<\/td><td>\u958b\u767a\uff08WordPress \/ HTML \/ LP\u5236\u4f5c\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u66f8\u304d\u6368\u3066\uff09<\/td><\/tr>\n<tr><td>\u6982\u7b97\u524a\u6e1b\u52b9\u679c<\/td><td>\u8868\u7d44\u307f\u4fee\u6b63\u30fb\u30b9\u30bf\u30a4\u30eb\u8abf\u6574\u306a\u3069\u3067\u90fd\u5ea6\u6570\u6642\u9593\u306e\u524a\u6e1b\uff08\u808c\u611f\u30d9\u30fc\u30b9\uff09<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u300c\u3053\u306e\u8868\u306e\u7f6b\u7dda\u3092\u3082\u3046\u5c11\u3057\u8584\u3044\u30b0\u30ec\u30fc\u306b\u3057\u3066\u3001\u898b\u51fa\u3057\u884c\u3060\u3051\u80cc\u666f\u8272\u3092\u3064\u3051\u3066\u307b\u3057\u3044\u300d\u3068\u3044\u3046\u6307\u793a\u3092\u65e5\u672c\u8a9e\u306e\u307e\u307e\u4f1d\u3048\u308b\u3068\u3001border-collapse\u306e\u6307\u5b9a\u6f0f\u308c\u3084\u30bb\u30ec\u30af\u30bf\u306e\u9078\u5b9a\u307e\u3067\u542b\u3081\u3066\u30b3\u30fc\u30c9\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u62c5\u5f53\u8005\u304cCSS\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u3092\u899a\u3048\u3066\u3044\u306a\u304f\u3066\u3082\u3001\u5b8c\u6210\u5f62\u3092\u30a4\u30e1\u30fc\u30b8\u3057\u3066\u8a00\u8449\u3067\u4f1d\u3048\u308b\u3060\u3051\u3067\u4fee\u6b63\u304c\u53cd\u6620\u3055\u308c\u308b\u4f53\u9a13\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>\u4f9d\u983c<\/strong><br><span style=\"font-size:12px;\">\u300c\u8868\u306e\u7dda\u3092<br>\u6574\u3048\u3066\u300d\u3068<br>\u65e5\u672c\u8a9e\u3067\u4f1d\u3048\u308b<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u751f\u6210<\/strong><br><span style=\"font-size:12px;\">Claude Code\u304c<br>HTML\/CSS\u3092<br>\u4f5c\u6210<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u78ba\u8a8d<\/strong><br><span style=\"font-size:12px;\">\u62c5\u5f53\u8005\u304c<br>\u898b\u305f\u76ee\u3092<br>\u76ee\u8996\u30c1\u30a7\u30c3\u30af<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u53cd\u6620<\/strong><br><span style=\"font-size:12px;\">\u554f\u984c\u306a\u3051\u308c\u3070<br>\u305d\u306e\u307e\u307e<br>\u516c\u958b<\/span><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\u3057\u305f\u3044\u306e\u306f\u3001\u300c\u5b8c\u5168\u306b\u624b\u96e2\u308c\u3059\u308b\u300d\u308f\u3051\u3067\u306f\u306a\u3044\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u751f\u6210\u3055\u308c\u305f\u30b3\u30fc\u30c9\u304c\u610f\u56f3\u901a\u308a\u304b\u3092\u4eba\u9593\u304c\u78ba\u8a8d\u3059\u308b\u5de5\u7a0b\u306f\u5fc5\u305a\u767a\u751f\u3057\u307e\u3059\u3002\u305d\u308c\u3067\u3082\u3001CSS\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u30921\u30641\u3064\u8abf\u3079\u306a\u304c\u3089\u66f8\u304f\u4f5c\u696d\u3068\u6bd4\u8f03\u3059\u308b\u3068\u3001\u78ba\u8a8d\u4f5c\u696d\u3060\u3051\u3067\u6e08\u3080\u5206\u3001\u4f53\u611f\u306e\u8ca0\u8377\u306f\u5927\u304d\u304f\u4e0b\u304c\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;\">\u6570\u5024\u306e\u6ce8\u610f\u66f8\u304d<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u4e0a\u8a18\u306e\u524a\u6e1b\u52b9\u679c\u306f\u5f0a\u793e\u306e\u808c\u611f\u30d9\u30fc\u30b9\u306e\u6570\u5024\u3067\u3042\u308a\u3001\u696d\u7a2e\u30fb\u696d\u614b\u30fb\u62c5\u5f53\u8005\u306e\u30b9\u30ad\u30eb\u306b\u3088\u3063\u3066\u5909\u52d5\u3057\u307e\u3059\u3002\u300c\u8868\u30c7\u30b6\u30a4\u30f3\u306e\u8abf\u6574\u300d\u3068\u3044\u3046\u9650\u5b9a\u7684\u306a\u4f5c\u696d\u5358\u4f4d\u3067\u306e\u53c2\u8003\u60c5\u5831\u3068\u3057\u3066\u3054\u89a7\u304f\u3060\u3055\u3044\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\">HTML\/CSS\u3092\u81ea\u5206\u3067\u5b8c\u74a7\u306b\u899a\u3048\u308b\u5fc5\u8981\u306f\u3082\u3046\u306a\u3044\u3068\u3044\u3046\u306e\u304c\u6b63\u76f4\u306a\u5b9f\u611f\u3067\u3059\u3002\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3057\u305f\u4e0a\u3067\u300c\u3053\u308c\u306fAI\u306b\u4efb\u305b\u305f\u65b9\u304c\u65e9\u3044\u300d\u3068\u5224\u65ad\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u304c\u3001\u3053\u308c\u304b\u3089\u306e\u7d4c\u55b6\u8005\u30fb\u7ba1\u7406\u8077\u306b\u6c42\u3081\u3089\u308c\u308b\u30b9\u30ad\u30eb\u3060\u3068\u601d\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\">\u5f0a\u793e\u3067\u306f\u300c\u4f9d\u983c\u2192\u751f\u6210\u2192\u78ba\u8a8d\u2192\u53cd\u6620\u300d\u3068\u3044\u3046\u30b7\u30f3\u30d7\u30eb\u306a4\u30b9\u30c6\u30c3\u30d7\u306b\u696d\u52d9\u3092\u5206\u89e3\u3057\u3066\u3044\u307e\u3059\u3002\u78ba\u8a8d\u306e\u5de5\u7a0b\u3092\u7d76\u5bfe\u306b\u7701\u7565\u3057\u306a\u3044\u3053\u3068\u304c\u3001\u54c1\u8cea\u3092\u4fdd\u3063\u305f\u307e\u307e\u4f5c\u696d\u6642\u9593\u3092\u5727\u7e2e\u3059\u308b\u30b3\u30c4\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-table-border&#038;blog_slug=html-table-border&#038;seg=default\" 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-table-border&#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;\">DECISION CRITERIA<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u3010\u72ec\u81ea\u3011\u300c\u81ea\u5206\u3067\u899a\u3048\u308b\u300dvs\u300cAI\u306b\u4efb\u305b\u308b\u300d\u306e\u5224\u65ad\u57fa\u6e96<\/span>\n  <span class=\"section-desc\">\u3059\u3079\u3066\u3092\u899a\u3048\u308b\u5fc5\u8981\u306f\u306a\u3044\u3002\u5224\u65ad\u57fa\u6e96\u3092\u6301\u3064\u3053\u3068\u304c\u91cd\u8981<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u307e\u3067HTML\u5c5e\u6027\u3068CSS\u306e\u9055\u3044\u3001\u4e8c\u91cd\u7dda\u306e\u89e3\u6d88\u65b9\u6cd5\u3001\u8272\u306e\u5909\u66f4\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u6700\u5f8c\u306b\u3001\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u7d4c\u55b6\u8005\u30fb\u7ba1\u7406\u8077\u304c\u672c\u5f53\u306b\u77e5\u308a\u305f\u3044\u3067\u3042\u308d\u3046\u554f\u3044\u2014\u2014<strong>\u300c\u3053\u308c\u306f\u81ea\u5206\u3067\u899a\u3048\u308b\u3079\u304d\u304b\u3001AI\u306b\u4efb\u305b\u308b\u3079\u304d\u304b\u300d<\/strong>\u2014\u2014\u306b\u7b54\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u5224\u65ad\u8ef8<\/th><th>\u81ea\u5206\u3067\u30b3\u30fc\u30c9\u3092\u66f8\u304f<\/th><th>Claude Code\u306b\u4efb\u305b\u308b<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u5b66\u7fd2\u30b3\u30b9\u30c8<\/td><td>\u9ad8\u3044\uff08HTML\/CSS\u306e\u6587\u6cd5\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\uff09<\/td><td>\u4f4e\u3044\uff08\u65e5\u672c\u8a9e\u3067\u610f\u56f3\u3092\u4f1d\u3048\u308b\u3060\u3051\uff09<\/td><\/tr>\n<tr><td>\u4fee\u6b63\u306e\u30b9\u30d4\u30fc\u30c9<\/td><td>\u6163\u308c\u308b\u307e\u30671\u4ef6\u3042\u305f\u308a\u6570\u5341\u5206<\/td><td>\u6570\u5206\u3067\u521d\u7a3f\u304c\u51fa\u3066\u304f\u308b<\/td><\/tr>\n<tr><td>\u30df\u30b9\u306e\u30ea\u30b9\u30af<\/td><td>border-collapse\u5fd8\u308c\u7b49\u306e\u51e1\u30df\u30b9\u304c\u8d77\u304d\u3084\u3059\u3044<\/td><td>\u57fa\u672c\u7684\u306a\u6587\u6cd5\u30df\u30b9\u306f\u8d77\u304d\u306b\u304f\u3044<\/td><\/tr>\n<tr><td>\u5fdc\u7528\u529b\u30fb\u81ea\u7531\u5ea6<\/td><td>\u7406\u89e3\u304c\u6df1\u3044\u307b\u3069\u81ea\u7531\u306b\u8868\u73fe\u3067\u304d\u308b<\/td><td>\u610f\u56f3\u3092\u6b63\u78ba\u306b\u8a00\u8a9e\u5316\u3067\u304d\u308b\u304b\u306b\u4f9d\u5b58<\/td><\/tr>\n<tr><td>\u5411\u3044\u3066\u3044\u308b\u4eba<\/td><td>Web\u5236\u4f5c\u3092\u7d99\u7d9a\u7684\u306b\u62c5\u5f53\u3059\u308b\u4eba<\/td><td>\u6708\u306b\u6570\u56de\u3001\u8868\u3084\u30da\u30fc\u30b8\u3092\u5fae\u8abf\u6574\u3057\u305f\u3044\u4eba<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:linear-gradient(135deg,#1a1a1a,#1a2520);border-radius:12px;padding:20px 24px;margin:24px 0;display:flex;align-items:center;gap:16px;color:#fff;\">\n  <span style=\"font-size:36px;\">&#127942;<\/span>\n  <div>\n    <div style=\"font-size:13px;color:#10b981;font-weight:700;letter-spacing:1px;\">VERDICT<\/div>\n    <div style=\"font-size:18px;font-weight:800;\">Claude Code \u306b\u8ecd\u914d<\/div>\n    <div style=\"font-size:14px;color:rgba(255,255,255,0.7);margin-top:4px;\">\u6708\u306b\u6570\u56de\u3001\u793e\u5185\u8cc7\u6599\u3084LP\u306e\u8868\u3092\u5fae\u8abf\u6574\u3059\u308b\u7a0b\u5ea6\u3067\u3042\u308c\u3070\u3001CSS\u3092\u899a\u3048\u308b\u30b3\u30b9\u30c8\u3088\u308a\u3082AI\u306b\u4f9d\u983c\u3059\u308b\u30b3\u30b9\u30c8\u306e\u65b9\u304c\u4f4e\u3044\u3002\u7d99\u7d9a\u7684\u306bWeb\u5236\u4f5c\u3092\u62c5\u5f53\u3059\u308b\u306a\u3089\u57fa\u790e\u306e\u7406\u89e3\u306f\u3084\u306f\u308a\u5fc5\u8981\u3002<\/div>\n  <\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">7-1. \u300c\u4ed5\u7d44\u307f\u306e\u7406\u89e3\u300d\u3068\u300c\u4f5c\u696d\u306e\u5b9f\u884c\u300d\u306f\u5206\u3051\u3066\u8003\u3048\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u3067\u5f37\u8abf\u3057\u305f\u3044\u306e\u306f\u3001<strong>\u300cAI\u306b\u4efb\u305b\u308b\u300d\u3053\u3068\u3068\u300c\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3057\u306a\u304f\u3066\u3044\u3044\u300d\u3053\u3068\u306f\u30a4\u30b3\u30fc\u30eb\u3067\u306f\u306a\u3044<\/strong>\u3068\u3044\u3046\u70b9\u3067\u3059\u3002border-collapse\u304c\u4f55\u3092\u3057\u3066\u3044\u308b\u304b\u3092\u7406\u89e3\u3057\u3066\u3044\u308c\u3070\u3001AI\u304c\u751f\u6210\u3057\u305f\u30b3\u30fc\u30c9\u304c\u6b63\u3057\u3044\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3067\u304d\u307e\u3059\u3002\u9006\u306b\u4ed5\u7d44\u307f\u3092\u4e00\u5207\u7406\u89e3\u3057\u3066\u3044\u306a\u3044\u3068\u3001AI\u306e\u51fa\u529b\u304c\u610f\u56f3\u901a\u308a\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u8853\u304c\u3042\u308a\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>HTML\u5c5e\u6027\u3068CSS\u306e\u9055\u3044\u3001\u4e8c\u91cd\u7dda\u306e\u539f\u56e0\u304f\u3089\u3044\u306f\u6982\u8981\u3092\u7406\u89e3\u3057\u3066\u304a\u304f<\/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>\u5b9f\u969b\u306b\u30b3\u30fc\u30c9\u30921\u884c1\u884c\u66f8\u304f\u4f5c\u696d\u306f\u3001\u983b\u5ea6\u304c\u4f4e\u3044\u306a\u3089AI\u306b\u4efb\u305b\u3066\u3088\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>AI\u304c\u51fa\u3057\u305f\u30b3\u30fc\u30c9\u3092\u300c\u898b\u305f\u76ee\u300d\u3067\u78ba\u8a8d\u3059\u308b\u76ee\u306f\u81ea\u5206\u3067\u6301\u3063\u3066\u304a\u304f<\/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>\u7d99\u7d9a\u7684\u306bWeb\u5236\u4f5c\u30fbLP\u6539\u5584\u3092\u884c\u3046\u306a\u3089\u3001\u57fa\u790e\u306e\u5b66\u7fd2\u306f\u3084\u306f\u308a\u4fa1\u5024\u304c\u3042\u308b<\/span><\/div>\n\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f0a\u793e\u306e\u7d4c\u9a13\u4e0a\u3001\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u7d4c\u55b6\u8005\u30fb\u7ba1\u7406\u8077\u304c\u30bc\u30ed\u304b\u3089CSS\u3092\u4f53\u7cfb\u7684\u306b\u5b66\u3076\u6642\u9593\u5bfe\u52b9\u679c\u306f\u3001\u6b63\u76f4\u306a\u3068\u3053\u308d\u9ad8\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u3088\u308a\u3082\u300c\u4f55\u304c\u8d77\u304d\u3066\u3044\u308b\u304b\u3092\u5927\u307e\u304b\u306b\u7406\u89e3\u3057\u305f\u4e0a\u3067\u3001\u5b9f\u969b\u306e\u4f5c\u696d\u306fAI\u306b\u6307\u793a\u3059\u308b\u300d\u3068\u3044\u3046\u30b9\u30bf\u30a4\u30eb\u306e\u65b9\u304c\u3001\u9650\u3089\u308c\u305f\u6642\u9593\u306e\u4e2d\u3067\u6210\u679c\u3092\u51fa\u3057\u3084\u3059\u3044\u3068\u3044\u3046\u306e\u304c\u5b9f\u611f\u3067\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\">\u3088\u304f\u300cAI\u306b\u4efb\u305b\u308b\u3068\u81ea\u5206\u306e\u529b\u306b\u306a\u3089\u306a\u3044\u306e\u3067\u306f\u300d\u3068\u805e\u304b\u308c\u307e\u3059\u304c\u3001\u5f0a\u793e\u306e\u8003\u3048\u65b9\u306f\u9006\u3067\u3059\u3002\u4ed5\u7d44\u307f\u306e\u7406\u89e3\u306b\u6642\u9593\u3092\u4f7f\u3044\u3001\u5358\u7d14\u4f5c\u696d\u306e\u5b9f\u884c\u306fAI\u306b\u4efb\u305b\u308b\u3053\u3068\u3067\u3001\u7d4c\u55b6\u8005\u306f\u300c\u5224\u65ad\u300d\u306b\u3088\u308a\u591a\u304f\u306e\u6642\u9593\u3092\u5272\u3051\u308b\u3088\u3046\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-table-border&#038;blog_slug=html-table-border&#038;seg=default\" 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-table-border&#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;\">CONCLUSION<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u307e\u3068\u3081 \u2500\u2500 \u8868\u306e\u7f6b\u7dda\u8a2d\u5b9a\u304b\u3089\u898b\u3048\u308b\u300c\u5b66\u3076\u300d\u3068\u300c\u4efb\u305b\u308b\u300d\u306e\u4f7f\u3044\u5206\u3051<\/span>\n  <span class=\"section-desc\">HTML\/CSS\u306e\u57fa\u790e\u77e5\u8b58\u3068\u3001AI\u6d3b\u7528\u306e\u5224\u65ad\u57fa\u6e96\u3092\u4e21\u65b9\u6301\u3064<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001HTML\u306etable\uff08\u8868\uff09\u306bborder\uff08\u7f6b\u7dda\uff09\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u3092\u3001HTML\u5c5e\u6027\u30fbCSS\u306e2\u3064\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u304b\u3089\u89e3\u8aac\u3057\u3001\u4e8c\u91cd\u7dda\u306e\u89e3\u6d88\u30fb\u8272\u306e\u5909\u66f4\u30fb\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u307e\u3067\u3092\u5b9f\u4f8b\u4ed8\u304d\u3067\u6574\u7406\u3057\u307e\u3057\u305f\u3002\u6700\u5f8c\u306b\u30dd\u30a4\u30f3\u30c8\u3092\u632f\u308a\u8fd4\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>HTML\u5c5e\u6027\uff08border=&quot;1&quot;\uff09\u306f\u624b\u8efd\u3060\u304c\u3001\u8272\u30fb\u592a\u3055\u306e\u7d30\u304b\u3044\u8abf\u6574\u304c\u3067\u304d\u305a\u975e\u63a8\u5968<\/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>CSS\u306eborder\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u6307\u5b9a\u3059\u308b\u306e\u304c\u73fe\u5728\u306e\u6a19\u6e96\u7684\u306a\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>\u4e8c\u91cd\u7dda\u306fborder-collapse: collapse\u306e1\u884c\u3067\u89e3\u6d88\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>\u7dda\u306e\u8272\u306fborder-color\u3067\u81ea\u7531\u306b\u6307\u5b9a\u3067\u304d\u3001\u8981\u7d20\u3054\u3068\u306b\u500b\u5225\u8a2d\u5b9a\u3082\u53ef\u80fd<\/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>\u30b9\u30de\u30db\u3067\u306e\u8868\u5d29\u308c\u306foverflow-x: auto\u306a\u3069\u306e\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc\u304c\u5fc5\u8981<\/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>\u5f0a\u793eGENAI\u3067\u306f\u8868\u30c7\u30b6\u30a4\u30f3\u306e\u5fae\u8abf\u6574\u3092Claude Code\u306b\u4efb\u305b\u3001\u90fd\u5ea6\u6570\u6642\u9593\u306e\u524a\u6e1b\u3092\u5b9f\u611f\uff08\u808c\u611f\u30d9\u30fc\u30b9\uff09<\/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>\u4ed5\u7d44\u307f\u306e\u7406\u89e3\u3068\u4f5c\u696d\u306e\u5b9f\u884c\u306f\u5206\u3051\u3066\u8003\u3048\u3001\u983b\u5ea6\u306e\u4f4e\u3044\u4f5c\u696d\u306fAI\u306b\u4efb\u305b\u308b\u9078\u629e\u3082\u5408\u7406\u7684<\/span><\/div>\n\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">HTML\u3068CSS\u306e\u4e16\u754c\u306f\u3001\u3053\u306e\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u305fborder\u8a2d\u5b9a\u306e\u3088\u3046\u306b\u300c\u77e5\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3067\u4f5c\u696d\u6642\u9593\u304c\u5927\u304d\u304f\u5909\u308f\u308b\u300d\u30dd\u30a4\u30f3\u30c8\u304c\u6570\u591a\u304f\u5b58\u5728\u3057\u307e\u3059\u3002\u3059\u3079\u3066\u3092\u81ea\u5206\u3067\u899a\u3048\u308b\u304b\u3001\u5fc5\u8981\u306a\u6642\u306bAI\u306b\u4efb\u305b\u308b\u304b\u2014\u2014\u3069\u3061\u3089\u304b\u4e00\u65b9\u3092\u9078\u3076\u306e\u3067\u306f\u306a\u304f\u3001\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u304c\u3001\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u7d4c\u55b6\u8005\u30fb\u7ba1\u7406\u8077\u306b\u3068\u3063\u3066\u6700\u3082\u73fe\u5b9f\u7684\u306a\u9078\u629e\u3060\u3068\u5f0a\u793e\u306f\u8003\u3048\u3066\u3044\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\">\u5f0a\u793e\u3067\u306f\u300cAI\u9b3c\u7ba1\u7406\u300d\u3068\u3044\u3046\u30b5\u30fc\u30d3\u30b9\u3067\u3001Claude Code\u3092\u4f7f\u3063\u305f\u696d\u52d9\u81ea\u52d5\u5316\u306e\u8a2d\u8a08\u304b\u3089\u4f34\u8d70\u307e\u3067\u652f\u63f4\u3057\u3066\u3044\u307e\u3059\u3002\u8868\u7d44\u307f\u306e\u8abf\u6574\u306e\u3088\u3046\u306a\u5c0f\u3055\u306a\u4f5c\u696d\u304b\u3089\u3001\u696d\u52d9\u30d7\u30ed\u30bb\u30b9\u5168\u4f53\u306e\u898b\u76f4\u3057\u307e\u3067\u3001\u7121\u6599\u76f8\u8ac7\u3067\u5177\u4f53\u7684\u306b\u304a\u7b54\u3048\u3057\u307e\u3059\u306e\u3067\u3001\u304a\u6c17\u8efd\u306b\u3069\u3046\u305e\u3002<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">HTML\/CSS\u3092\u899a\u3048\u308b\u6642\u9593\u304c\u306a\u304f\u3066\u3082\u3001Claude Code\u3067\u696d\u52d9\u306f\u524d\u306b\u9032\u3081\u3089\u308c\u307e\u3059<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u793e\u5185\u8cc7\u6599\u306e\u8868\u7d44\u307f\u8abf\u6574\u304b\u3089LP\u5168\u4f53\u306e\u6539\u5584\u307e\u3067\u3001AI\u9b3c\u7ba1\u7406\u304c\u5b9f\u904b\u7528\u30ce\u30a6\u30cf\u30a6\u3092\u3082\u3068\u306b\u5c0e\u5165\u8a2d\u8a08\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<br>\u300c\u4f55\u304b\u3089\u59cb\u3081\u308c\u3070\u3044\u3044\u304b\u5206\u304b\u3089\u306a\u3044\u300d\u3068\u3044\u3046\u6bb5\u968e\u304b\u3089\u3054\u76f8\u8ac7\u3044\u305f\u3060\u3051\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\u696d\u52d9\u306e\u4e2d\u3067\u3069\u3053\u306bAI\u3092\u7d44\u307f\u8fbc\u3080\u3068\u4e00\u756a\u30a4\u30f3\u30d1\u30af\u30c8\u304c\u5927\u304d\u3044\u304b\u3092\u4e00\u7dd2\u306b\u6574\u7406\u3057\u307e\u3057\u3087\u3046\u3002<\/div>\n<\/div>\n\n\n\n<div style=\"background:#fff;border:2px solid #eee;border-radius:16px;padding:32px 20px;margin:48px 0 16px;\">\n  <p style=\"text-align:center;font-size:13px;font-weight:700;color:#dc2626;letter-spacing:2px;margin:0 0 12px;\">NEXT STEP<\/p>\n  <p style=\"text-align:center;font-size:22px;font-weight:800;line-height:1.5;color:#1a1a1a;margin:0 0 24px;\">\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=\"display:flex;gap:16px;flex-wrap:wrap;justify-content:center;\">\n    <div style=\"flex:1 1 300px;max-width:560px;background:#fafafa;border:1px solid #eee;border-radius:12px;overflow:hidden;display:flex;flex-direction:column;\">\n      <img src=\"https:\/\/genai-ai.co.jp\/img\/flagship-onikanri.png\" alt=\"AI\u9b3c\u7ba1\u7406 \u2014 Claude Code\u5c0e\u5165\u652f\u63f4\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\" loading=\"lazy\" decoding=\"async\" style=\"width:100%;height:auto;aspect-ratio:16\/9;object-fit:cover;display:block;\">\n      <div style=\"padding:20px 20px 24px;display:flex;flex-direction:column;flex:1;\">\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;color:#1a1a1a;margin:0 0 12px;\">AI\u9b3c\u7ba1\u7406<\/p>\n        <p style=\"font-size:14px;color:#555;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;margin-top:auto;\">\n          <a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&utm_medium=article&utm_campaign=html-table-border&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    <div style=\"flex:1 1 300px;max-width:560px;background:#fafafa;border:1px solid #eee;border-radius:12px;overflow:hidden;display:flex;flex-direction:column;\">\n      <img src=\"https:\/\/genai-ai.co.jp\/img\/flagship-aibpo.png\" alt=\"AIBPO by AI\u9b3c\u7ba1\u7406 \u2014 \u5b9a\u578b\u696d\u52d9\u306e\u4e38\u3054\u3068\u4ee3\u884c\" loading=\"lazy\" decoding=\"async\" style=\"width:100%;height:auto;aspect-ratio:16\/9;object-fit:cover;display:block;\">\n      <div style=\"padding:20px 20px 24px;display:flex;flex-direction:column;flex:1;\">\n        <p style=\"font-size:13px;color:#dc2626;font-weight:700;margin:0 0 8px;\">\u696d\u52d9\u3092\u4e38\u3054\u3068\u4efb\u305b\u305f\u3044\u65b9\u3078<\/p>\n        <p style=\"font-size:20px;font-weight:800;color:#1a1a1a;margin:0 0 12px;\">AIBPO by AI\u9b3c\u7ba1\u7406<\/p>\n        <p style=\"font-size:14px;color:#555;margin:0 0 20px;line-height:1.7;\">\u8acb\u6c42\u51e6\u7406\u30fb\u30c7\u30fc\u30bf\u5165\u529b\u30fb\u554f\u3044\u5408\u308f\u305b\u5bfe\u5fdc\u306a\u3069\u306e\u5b9a\u578b\u696d\u52d9\u3092\u3001AI\u00d7\u4eba\u306e\u54c1\u8cea\u7ba1\u7406\u4f53\u5236\u3067\u4e38\u3054\u3068\u4ee3\u884c\u3002\u3044\u307e\u306e\u30b3\u30b9\u30c8\u306e50%\u76ee\u5b89\u3067\u3001\u65e5\u3005\u306f\u6210\u679c\u7269\u3092\u627f\u8a8d\u3059\u308b\u3060\u3051\u3002<\/p>\n        <div style=\"text-align:center;margin-top:auto;\">\n          <a href=\"https:\/\/genai-ai.co.jp\/ai-kanri\/ai-bpo\/?utm_source=blog&utm_medium=article&utm_campaign=html-table-border&utm_content=next-step-cta-bpo\" 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;\">AIBPO\u3092\u8a73\u3057\u304f\u898b\u308b \u2192<\/a>\n        <\/div>\n      <\/div>\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. HTML\u5c5e\u6027\u306eborder\u306f\u3001\u3082\u3046\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\u306a\u304f\u3001\u73fe\u5728\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u3082\u8868\u793a\u306f\u53ef\u80fd\u3067\u3059\u3002\u305f\u3060\u3057\u8272\u3084\u7dda\u306e\u7a2e\u985e\u3092\u7d30\u304b\u304f\u6307\u5b9a\u3067\u304d\u306a\u3044\u3001\u8907\u6570\u30da\u30fc\u30b8\u3078\u306e\u4e00\u62ec\u53cd\u6620\u304c\u3067\u304d\u306a\u3044\u3068\u3044\u3063\u305f\u5236\u7d04\u304c\u5927\u304d\u3044\u305f\u3081\u3001\u65b0\u3057\u304f\u8868\u3092\u4f5c\u308b\u5834\u5408\u306fCSS\u3067\u306e\u6307\u5b9a\u3092\u512a\u5148\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002\u65e2\u5b58\u30da\u30fc\u30b8\u306e\u4fdd\u5b88\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u5206\u306b\u306f\u3001\u6025\u3044\u3067\u66f8\u304d\u63db\u3048\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. border-collapse\u3068border-spacing\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. border-collapse\u306f\u3001table\u30fbth\u30fbtd\u304c\u305d\u308c\u305e\u308c\u6301\u3064\u7dda\u30921\u672c\u306b\u7d71\u5408\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u6c7a\u3081\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u3002\u4e00\u65b9border-spacing\u306f\u3001border-collapse\u304cseparate\uff08\u521d\u671f\u5024\uff09\u306e\u72b6\u614b\u3067\u3001\u30bb\u30eb\u3068\u30bb\u30eb\u306e\u9593\u306e\u4f59\u767d\uff08\u9593\u9694\uff09\u3092\u8abf\u6574\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u3002\u4e8c\u91cd\u7dda\u3092\u89e3\u6d88\u3057\u305f\u3044\u3060\u3051\u3067\u3042\u308c\u3070\u3001\u307e\u305aborder-collapse: collapse\u3092\u8a66\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u8868\u306e\u4e00\u90e8\u306e\u30bb\u30eb\u3060\u3051\u7dda\u306e\u8272\u3092\u5909\u3048\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u3067\u304d\u307e\u3059\u3002CSS\u306e\u30bb\u30ec\u30af\u30bf\u3092\u4f7f\u3048\u3070\u3001\u7279\u5b9a\u306e\u884c\u3084\u5217\u3001\u3042\u308b\u3044\u306f\u500b\u5225\u306e\u30bb\u30eb\u306b\u3060\u3051border-color\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u898b\u51fa\u3057\u884c\u3060\u3051th\u30bb\u30ec\u30af\u30bf\u3067\u8272\u3092\u6307\u5b9a\u3057\u305f\u308a\u3001\u7279\u5b9a\u306e\u30bb\u30eb\u306b\u30af\u30e9\u30b9\u540d\u3092\u3064\u3051\u3066\u500b\u5225\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u5f53\u3066\u305f\u308a\u3059\u308b\u65b9\u6cd5\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u8981\u7d20\u3054\u3068\u306b\u67d4\u8edf\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u91cd\u306d\u3089\u308c\u308b\u306e\u304cCSS\u306e\u5f37\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u30b9\u30de\u30db\u3067\u8868\u304c\u5d29\u308c\u308b\u554f\u984c\u306f\u3001\u3069\u3053\u307e\u3067\u81ea\u5206\u3067\u5bfe\u51e6\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u7c21\u6613\u7684\u306a\u5bfe\u51e6\u3067\u3042\u308c\u3070\u3001\u8868\u5168\u4f53\u3092div\u30bf\u30b0\u3067\u56f2\u307f\u3001overflow-x: auto\u3092\u6307\u5b9a\u3059\u308b\u3060\u3051\u3067\u6a2a\u30b9\u30af\u30ed\u30fc\u30eb\u5bfe\u5fdc\u304c\u53ef\u80fd\u306b\u306a\u308a\u3001\u591a\u304f\u306e\u5834\u5408\u306f\u3053\u308c\u3067\u5b9f\u7528\u4e0a\u306e\u554f\u984c\u306f\u89e3\u6d88\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u5217\u6570\u304c\u975e\u5e38\u306b\u591a\u3044\u8868\u3092\u6839\u672c\u7684\u306b\u30b9\u30de\u30db\u5411\u3051\u306b\u30ec\u30a4\u30a2\u30a6\u30c8\u3057\u76f4\u3059\u5834\u5408\u306f\u3001CSS\u306e\u8a2d\u8a08\u5909\u66f4\u304c\u5fc5\u8981\u306b\u306a\u308a\u3001\u96e3\u6613\u5ea6\u304c\u4e0a\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. Excel\u306e\u30bb\u30eb\u3068HTML\u306etable\u306f\u3001\u305d\u3082\u305d\u3082\u4ed5\u7d44\u307f\u304c\u9055\u3046\u306e\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u898b\u305f\u76ee\u306f\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u4ed5\u7d44\u307f\u306f\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002Excel\u306f\u30bb\u30eb\u3054\u3068\u306bGUI\uff08\u753b\u9762\u64cd\u4f5c\uff09\u3067\u66f8\u5f0f\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u304c\u3001HTML\u306etable\u306f\u300c\u30bf\u30b0\u3067\u69cb\u9020\u3092\u4f5c\u308a\u3001CSS\u3067\u898b\u305f\u76ee\u3092\u6307\u5b9a\u3059\u308b\u300d\u3068\u3044\u3046\u30c6\u30ad\u30b9\u30c8\u30d9\u30fc\u30b9\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002\u6163\u308c\u308b\u3068CSS\u306e\u65b9\u304c\u4e00\u62ec\u5909\u66f4\u3084\u8907\u6570\u30da\u30fc\u30b8\u3078\u306e\u53cd\u6620\u304c\u5727\u5012\u7684\u306b\u3084\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. Claude Code\u306b\u8868\u306e\u30c7\u30b6\u30a4\u30f3\u4fee\u6b63\u3092\u983c\u3080\u3068\u304d\u3001\u3069\u3046\u6307\u793a\u3059\u308c\u3070\u3044\u3044\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u300c\u3053\u306e\u8868\u306e\u7dda\u3092\u3082\u3046\u5c11\u3057\u8584\u3044\u30b0\u30ec\u30fc\u306b\u3057\u3066\u3001\u898b\u51fa\u3057\u884c\u306b\u80cc\u666f\u8272\u3092\u3064\u3051\u3066\u307b\u3057\u3044\u300d\u306e\u3088\u3046\u306b\u3001\u5b8c\u6210\u5f62\u3092\u65e5\u672c\u8a9e\u3067\u305d\u306e\u307e\u307e\u4f1d\u3048\u308b\u3060\u3051\u3067\u5341\u5206\u3067\u3059\u3002border-collapse\u3084border-color\u3068\u3044\u3063\u305fCSS\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u3092\u899a\u3048\u3066\u3044\u308b\u5fc5\u8981\u306f\u306a\u304f\u3001\u898b\u305f\u76ee\u306e\u30a4\u30e1\u30fc\u30b8\u3092\u8a00\u8449\u306b\u3067\u304d\u308c\u3070\u3001\u30b3\u30fc\u30c9\u306e\u751f\u6210\u3068\u4fee\u6b63\u306fClaude Code\u5074\u3067\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. border\u5c5e\u6027\u3068CSS\u306eborder\u3092\u4e21\u65b9\u66f8\u3044\u3066\u3057\u307e\u3063\u305f\u5834\u5408\u3001\u3069\u3061\u3089\u304c\u512a\u5148\u3055\u308c\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u57fa\u672c\u7684\u306b\u306fCSS\u306e\u6307\u5b9a\u304c\u512a\u5148\u3055\u308c\u307e\u3059\u3002HTML\u5c5e\u6027\u306eborder\u306f\u898b\u305f\u76ee\u306e\u521d\u671f\u5024\u7a0b\u5ea6\u306e\u5f79\u5272\u306b\u7559\u307e\u308a\u3001CSS\u3067\u660e\u793a\u7684\u306bborder\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u305d\u3061\u3089\u306e\u5024\u3067\u4e0a\u66f8\u304d\u3055\u308c\u307e\u3059\u3002\u6df7\u5728\u3055\u305b\u308b\u3068\u610f\u56f3\u3057\u306a\u3044\u898b\u305f\u76ee\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308b\u305f\u3081\u3001\u3069\u3061\u3089\u304b\u4e00\u65b9\u306b\u7d71\u4e00\u3057\u3066\u7ba1\u7406\u3059\u308b\u306e\u304c\u5b89\u5168\u3067\u3059\u3002<\/p>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"HTML\u5c5e\u6027\u306eborder\u306f\u3001\u3082\u3046\u4f7f\u3063\u3066\u306f\u3044\u3051\u306a\u3044\u306e\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u5b8c\u5168\u306b\u7981\u6b62\u3055\u308c\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u73fe\u5728\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u3082\u8868\u793a\u306f\u53ef\u80fd\u3067\u3059\u3002\u305f\u3060\u3057\u8272\u3084\u7dda\u306e\u7a2e\u985e\u3092\u7d30\u304b\u304f\u6307\u5b9a\u3067\u304d\u306a\u3044\u3001\u8907\u6570\u30da\u30fc\u30b8\u3078\u306e\u4e00\u62ec\u53cd\u6620\u304c\u3067\u304d\u306a\u3044\u3068\u3044\u3063\u305f\u5236\u7d04\u304c\u5927\u304d\u3044\u305f\u3081\u3001\u65b0\u3057\u304f\u8868\u3092\u4f5c\u308b\u5834\u5408\u306fCSS\u3067\u306e\u6307\u5b9a\u3092\u512a\u5148\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002\u65e2\u5b58\u30da\u30fc\u30b8\u306e\u4fdd\u5b88\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u5206\u306b\u306f\u3001\u6025\u3044\u3067\u66f8\u304d\u63db\u3048\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"border-collapse\u3068border-spacing\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"border-collapse\u306f\u3001table\u30fbth\u30fbtd\u304c\u305d\u308c\u305e\u308c\u6301\u3064\u7dda\u30921\u672c\u306b\u7d71\u5408\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u6c7a\u3081\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u3002\u4e00\u65b9border-spacing\u306f\u3001border-collapse\u304cseparate\uff08\u521d\u671f\u5024\uff09\u306e\u72b6\u614b\u3067\u3001\u30bb\u30eb\u3068\u30bb\u30eb\u306e\u9593\u306e\u4f59\u767d\uff08\u9593\u9694\uff09\u3092\u8abf\u6574\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u3002\u4e8c\u91cd\u7dda\u3092\u89e3\u6d88\u3057\u305f\u3044\u3060\u3051\u3067\u3042\u308c\u3070\u3001\u307e\u305aborder-collapse: collapse\u3092\u8a66\u3057\u3066\u304f\u3060\u3055\u3044\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u8868\u306e\u4e00\u90e8\u306e\u30bb\u30eb\u3060\u3051\u7dda\u306e\u8272\u3092\u5909\u3048\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u3067\u304d\u307e\u3059\u3002CSS\u306e\u30bb\u30ec\u30af\u30bf\u3092\u4f7f\u3048\u3070\u3001\u7279\u5b9a\u306e\u884c\u3084\u5217\u3001\u3042\u308b\u3044\u306f\u500b\u5225\u306e\u30bb\u30eb\u306b\u3060\u3051border-color\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u898b\u51fa\u3057\u884c\u3060\u3051th\u30bb\u30ec\u30af\u30bf\u3067\u8272\u3092\u6307\u5b9a\u3057\u305f\u308a\u3001\u7279\u5b9a\u306e\u30bb\u30eb\u306b\u30af\u30e9\u30b9\u540d\u3092\u3064\u3051\u3066\u500b\u5225\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u5f53\u3066\u305f\u308a\u3059\u308b\u65b9\u6cd5\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u8981\u7d20\u3054\u3068\u306b\u67d4\u8edf\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u91cd\u306d\u3089\u308c\u308b\u306e\u304cCSS\u306e\u5f37\u307f\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u30b9\u30de\u30db\u3067\u8868\u304c\u5d29\u308c\u308b\u554f\u984c\u306f\u3001\u3069\u3053\u307e\u3067\u81ea\u5206\u3067\u5bfe\u51e6\u3067\u304d\u307e\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u7c21\u6613\u7684\u306a\u5bfe\u51e6\u3067\u3042\u308c\u3070\u3001\u8868\u5168\u4f53\u3092div\u30bf\u30b0\u3067\u56f2\u307f\u3001overflow-x: auto\u3092\u6307\u5b9a\u3059\u308b\u3060\u3051\u3067\u6a2a\u30b9\u30af\u30ed\u30fc\u30eb\u5bfe\u5fdc\u304c\u53ef\u80fd\u306b\u306a\u308a\u3001\u591a\u304f\u306e\u5834\u5408\u306f\u3053\u308c\u3067\u5b9f\u7528\u4e0a\u306e\u554f\u984c\u306f\u89e3\u6d88\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u5217\u6570\u304c\u975e\u5e38\u306b\u591a\u3044\u8868\u3092\u6839\u672c\u7684\u306b\u30b9\u30de\u30db\u5411\u3051\u306b\u30ec\u30a4\u30a2\u30a6\u30c8\u3057\u76f4\u3059\u5834\u5408\u306f\u3001CSS\u306e\u8a2d\u8a08\u5909\u66f4\u304c\u5fc5\u8981\u306b\u306a\u308a\u3001\u96e3\u6613\u5ea6\u304c\u4e0a\u304c\u308a\u307e\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Excel\u306e\u30bb\u30eb\u3068HTML\u306etable\u306f\u3001\u305d\u3082\u305d\u3082\u4ed5\u7d44\u307f\u304c\u9055\u3046\u306e\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": 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Code\u5074\u3067\u884c\u308f\u308c\u307e\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"border\u5c5e\u6027\u3068CSS\u306eborder\u3092\u4e21\u65b9\u66f8\u3044\u3066\u3057\u307e\u3063\u305f\u5834\u5408\u3001\u3069\u3061\u3089\u304c\u512a\u5148\u3055\u308c\u307e\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": 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class=\"rel-cat\">\u95a2\u9023\u5206\u91ce<\/span><span class=\"rel-title\">\u30102026\u5e748\u6708\u6700\u65b0\u3011HTML\u306efont\u30bf\u30b0\u3068\u306f\uff1fsize\/color\/face\u5c5e\u6027\u306e\u4f7f\u3044\u65b9\u3068CSS\u79fb\u884c\u30fb\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u5411\u3051\u6d3b\u7528\u30ac\u30a4\u30c9<\/span><\/a><a href=\"https:\/\/genai-ai.co.jp\/ai-kanri\/blog\/cc-vs-genspark-09\/\" class=\"rel-card rel-winner\"><span class=\"rel-cat\">\u4eba\u6c17\u8a18\u4e8b<\/span><span class=\"rel-title\">\u30102026\u5e748\u6708\u6700\u65b0\u3011Claude Code vs Genspark \u5fb9\u5e95\u6bd4\u8f03\uff5c6\u3064\u306e\u8ef8\u3067\u6b63\u76f4\u306b\u52dd\u6557\u3092\u3064\u3051\u305f\u7d50\u679c<\/span><\/a><a href=\"https:\/\/genai-ai.co.jp\/ai-kanri\/blog\/cc-claude-code-guide\/\" class=\"rel-card rel-bridge\"><span class=\"rel-cat\">\u6df1\u5800\u308a<\/span><span class=\"rel-title\">\u30102026\u5e748\u6708\u6700\u65b0\u3011Claude 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