{"id":17832,"date":"2026-07-18T07:04:42","date_gmt":"2026-07-17T22:04:42","guid":{"rendered":"https:\/\/genai-ai.co.jp\/ai-kanri\/?p=17832"},"modified":"2026-07-18T07:04:42","modified_gmt":"2026-07-17T22:04:42","slug":"cc-vba-dim-variable","status":"publish","type":"post","link":"https:\/\/genai-ai.co.jp\/ai-kanri\/blog\/cc-vba-dim-variable\/","title":{"rendered":"\u30102026\u5e747\u6708\u6700\u65b0\u3011VBA\u306eDim\u5909\u6570\u5ba3\u8a00\u5b8c\u5168\u30ac\u30a4\u30c9\uff5c\u30c7\u30fc\u30bf\u578b\u30fb\u30b9\u30b3\u30fc\u30d7\u30fbOption Explicit\u30fbClaude Code\u6d3b\u7528\u6cd5"},"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-cc-vba-dim-variable.jpg\" alt=\"\u30102026\u5e747\u6708\u6700\u65b0\u3011VBA\u306eDim\u5909\u6570\u5ba3\u8a00\u5b8c\u5168\u30ac\u30a4\u30c9\uff5c\u30c7\u30fc\u30bf\u578b\u30fb\u30b9\u30b3\u30fc\u30d7\u30fbOption Explicit\u30fbClaude Code\u6d3b\u7528\u6cd5\" style=\"width:100%;height:auto;border-radius:12px;display:block;\">\n<\/div>\n\n\n\n<div style=\"background:#f8f9fa;border-radius:12px;padding:24px 28px;margin:0 0 32px;border-left:4px solid #dc2626;\">\n  <p style=\"font-size:15px;font-weight:700;color:#1a1a1a;margin:0 0 16px;\">\u3053\u306e\u8a18\u4e8b\u306e\u5185\u5bb9<\/p>\n  <ol style=\"margin:0;padding-left:0;font-size:14px;line-height:2.2;list-style:none;\">\n    <li><a href=\"#sec-01\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">01<\/span>VBA\u306e\u5909\u6570\u3068\u306f\uff1f\u57fa\u672c\u3068\u5f79\u5272<\/a><\/li>\n    <li><a href=\"#sec-02\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">02<\/span>VBA\u306e\u30c7\u30fc\u30bf\u578b\u4e00\u89a7\uff1aInteger\u30fbLong\u30fbString\u30fbBoolean\u7b49<\/a><\/li>\n    <li><a href=\"#sec-03\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">03<\/span>Dim\u6587\u3067\u5909\u6570\u3092\u5ba3\u8a00\u3059\u308b\u57fa\u672c\u69cb\u6587<\/a><\/li>\n    <li><a href=\"#sec-04\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">04<\/span>\u5909\u6570\u540d\u306e\u547d\u540d\u898f\u5247\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a><\/li>\n    <li><a href=\"#sec-05\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">05<\/span>Option Explicit\u3067\u5909\u6570\u5ba3\u8a00\u3092\u5f37\u5236\u3059\u308b<\/a><\/li>\n    <li><a href=\"#sec-06\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">06<\/span>\u5909\u6570\u306e\u521d\u671f\u5316\u3068\u4ee3\u5165\uff1a\u5024\u3092\u5165\u308c\u3066\u4f7f\u3046\u65b9\u6cd5<\/a><\/li>\n    <li><a href=\"#sec-07\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">07<\/span>\u5909\u6570\u306e\u30b9\u30b3\u30fc\u30d7\uff08\u6709\u52b9\u7bc4\u56f2\uff09\uff1a\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u30fb\u30e2\u30b8\u30e5\u30fc\u30eb\u30fbPublic<\/a><\/li>\n    <li><a href=\"#sec-08\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">08<\/span>\u914d\u5217\u5909\u6570\u306e\u5ba3\u8a00\u3068\u4f7f\u3044\u65b9<\/a><\/li>\n    <li><a href=\"#sec-09\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">09<\/span>VBA\u5909\u6570\u3067\u3088\u304f\u8d77\u304d\u308b\u30a8\u30e9\u30fc\u3068\u30c7\u30d0\u30c3\u30b0\u65b9\u6cd5<\/a><\/li>\n    <li><a href=\"#sec-10\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">10<\/span>Claude Code\u3067VBA\u306e\u5909\u6570\u8a2d\u8a08\u30fb\u30de\u30af\u30ed\u751f\u6210\u3092\u52b9\u7387\u5316\u3059\u308b<\/a><\/li>\n    <li><a href=\"#faq\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">FAQ<\/span>\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><\/li>\n  <\/ol>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">VBA\u3067\u30de\u30af\u30ed\u3092\u66f8\u304f\u969b\u306b\u300c\u5909\u6570\u3063\u3066\u4f55\uff1f\u300d\u300cDim\u3063\u3066\u4f55\u306e\u3053\u3068\uff1f\u300d\u3068\u3044\u3046\u7591\u554f\u3092\u6301\u3064\u65b9\u306f\u591a\u3044\u3067\u3059\u3002\u5909\u6570\u3068Dim\u6587\u306fVBA\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u57fa\u790e\u4e2d\u306e\u57fa\u790e\u3067\u3059\u304c\u3001<strong>\u30c7\u30fc\u30bf\u578b\u306e\u9078\u3073\u65b9\u30fbOption Explicit\u306e\u8a2d\u5b9a\u30fb\u30b9\u30b3\u30fc\u30d7\u306e\u8003\u3048\u65b9<\/strong>\u307e\u3067\u7406\u89e3\u3057\u306a\u3044\u3068\u3001\u5f8c\u3005\u30d0\u30b0\u304c\u767a\u751f\u3057\u305f\u308a\u51e6\u7406\u304c\u9045\u304f\u306a\u3063\u305f\u308a\u3059\u308b\u539f\u56e0\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f<strong>VBA\u306e\u5909\u6570\u3068Dim\u6587\u306b\u95a2\u3059\u308b\u5168\u77e5\u8b58\u3092\u4f53\u7cfb\u7684\u306b\u89e3\u8aac<\/strong>\u3057\u307e\u3059\u3002\u3055\u3089\u306b<strong>Claude Code\u3067VBA\u30b3\u30fc\u30c9\u306e\u4f5c\u6210\u30fb\u30c7\u30d0\u30c3\u30b0\u3092\u52b9\u7387\u5316\u3059\u308b\u65b9\u6cd5<\/strong>\u3082\u7d39\u4ecb\u3057\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\">Excel\u30de\u30af\u30ed\u3067\u6700\u3082\u591a\u3044\u30d0\u30b0\u306e\u539f\u56e0\u306e1\u3064\u304c\u300c\u5909\u6570\u306e\u578b\u30df\u30b9\u300d\u3067\u3059\u3002\u6570\u5024\u3092\u683c\u7d0d\u3059\u308b\u3064\u3082\u308a\u304cString\u578b\u306b\u306a\u3063\u3066\u3044\u305f\u308a\u3001Variant\u3092Integer\u306e\u4ee3\u308f\u308a\u306b\u4f7f\u3063\u3066\u51e6\u7406\u304c\u9045\u304f\u306a\u3063\u305f\u308a\u3057\u307e\u3059\u3002\u6700\u521d\u306b\u30c7\u30fc\u30bf\u578b\u3068Dim\u6587\u3092\u6b63\u3057\u304f\u5b66\u3076\u3053\u3068\u3067\u3001\u3053\u3046\u3057\u305f\u4e8b\u6545\u3092\u9632\u3052\u307e\u3059\u3002<\/div>\n<\/div>\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>VBA\u306e<strong>\u5909\u6570\u3068\u306f\u4f55\u304b<\/strong>\u3001\u306a\u305c\u4f7f\u3046\u306e\u304b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u30c7\u30fc\u30bf\u578b\uff08Integer\u30fbLong\u30fbString\u30fbBoolean\u30fbVariant\uff09<\/strong>\u306e\u9078\u3073\u65b9<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>Dim\u6587\u306b\u3088\u308b\u5909\u6570\u5ba3\u8a00<\/strong>\u306e\u57fa\u672c\u69cb\u6587\u3068\u8907\u6570\u5ba3\u8a00\u306e\u66f8\u304d\u65b9<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u5909\u6570\u540d\u306e\u547d\u540d\u898f\u5247<\/strong>\u3068\u8aad\u307f\u3084\u3059\u3044\u30b3\u30fc\u30c9\u306b\u3059\u308b\u305f\u3081\u306e\u30eb\u30fc\u30eb<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>Option Explicit<\/strong>\u3067\u5909\u6570\u306e\u5ba3\u8a00\u3092\u5fc5\u9808\u306b\u3059\u308b\u65b9\u6cd5\u3068\u8a2d\u5b9a\u7b87\u6240<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u5909\u6570\u306e\u521d\u671f\u5316\u3068\u4ee3\u5165<\/strong>\uff08\u521d\u671f\u5024\u30fbSet\u6587\u30fb\u578b\u5909\u63db\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><strong>\u30b9\u30b3\u30fc\u30d7\uff08\u6709\u52b9\u7bc4\u56f2\uff09<\/strong>\u306e\u9055\u3044\uff08Dim\/Static\/Public\/Private\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><strong>\u914d\u5217\u5909\u6570<\/strong>\u306e\u5ba3\u8a00\uff08\u56fa\u5b9a\u9577\u30fb\u52d5\u7684\u30fbReDim\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><strong>\u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc<\/strong>\uff08\u578b\u4e0d\u4e00\u81f4\u30fb\u672a\u5b9a\u7fa9\u5909\u6570\u30fb\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\uff09\u306e\u539f\u56e0\u3068\u5bfe\u51e6<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>Claude Code\u3067VBA\u30de\u30af\u30ed<\/strong>\u3092\u81ea\u52d5\u751f\u6210\u30fb\u30c7\u30d0\u30c3\u30b0\u3059\u308b\u65b9\u6cd5<\/span><\/div>\n\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-vba-dim-variable&#038;blog_slug=cc-vba-dim-variable\" 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=cc-vba-dim-variable&#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;\">VBA VARIABLE<\/span>\n  <span class=\"section-title\" style=\"display:block;\">VBA\u306e\u5909\u6570\u3068\u306f\uff1f\u57fa\u672c\u3068\u5f79\u5272<\/span>\n  <span class=\"section-desc\">\u30c7\u30fc\u30bf\u3092\u4e00\u6642\u7684\u306b\u683c\u7d0d\u3057\u3066\u51e6\u7406\u3067\u7e70\u308a\u8fd4\u3057\u4f7f\u3046\u305f\u3081\u306e\u300c\u30e9\u30d9\u30eb\u4ed8\u304d\u7bb1\u300d<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">VBA\u306e<strong>\u5909\u6570\u3068\u306f\u3001\u30c7\u30fc\u30bf\u3092\u4e00\u6642\u7684\u306b\u683c\u7d0d\u3059\u308b\u305f\u3081\u306e\u30e1\u30e2\u30ea\u4e0a\u306e\u5834\u6240\u306b\u4ed8\u3051\u305f\u540d\u524d<\/strong>\u3067\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u4e2d\u306b\u5024\u3092\u5165\u308c\u305f\u308a\u53d6\u308a\u51fa\u3057\u305f\u308a\u3057\u3066\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u300c\u5168\u5f93\u696d\u54e1\u306e\u7d66\u4e0e\u306e\u5408\u8a08\u3092\u8a08\u7b97\u3059\u308b\u300d\u5834\u5408\u3001\u6bce\u56deCells(1,1) + Cells(2,1) + Cells(3,1)...\u3068\u66f8\u304f\u3088\u308a\u3001\u5909\u6570\u300ctotalSalary\u300d\u306b\u5408\u8a08\u5024\u3092\u8caf\u3081\u3066\u3044\u304f\u65b9\u304c\u30b3\u30fc\u30c9\u304c\u8aad\u307f\u3084\u3059\u304f\u30fb\u4fee\u6b63\u3082\u3057\u3084\u3059\u304f\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>\u5909\u6570\uff08Variable\uff09<\/strong>\uff1a\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u8a08\u7b97\u9014\u4e2d\u306e\u5024\u3084\u51e6\u7406\u3067\u7e70\u308a\u8fd4\u3057\u4f7f\u3046\u5024\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306e\u540d\u524d\u4ed8\u304d\u30e1\u30e2\u30ea\u9818\u57df\u3002\u300c\u5909\u6570\u540d = \u5024\u300d\u3067\u5024\u3092\u683c\u7d0d\u3057\u3001\u300c\u5909\u6570\u540d\u300d\u3068\u3057\u3066\u53c2\u7167\u3059\u308b\u3002VBA\u3067\u306fDim\u6587\u3067\u5909\u6570\u3092\u5ba3\u8a00\u3057\u3066\u304b\u3089\u4f7f\u3046\u306e\u304c\u6b63\u3057\u3044\u30eb\u30fc\u30eb\u3002\u5909\u6570\u306b\u683c\u7d0d\u3067\u304d\u308b\u30c7\u30fc\u30bf\u306e\u7a2e\u985e\uff08\u6574\u6570\u30fb\u6587\u5b57\u5217\u30fb\u65e5\u4ed8\u7b49\uff09\u3092\u300c\u30c7\u30fc\u30bf\u578b\u300d\u3068\u547c\u3076\u3002\u5909\u6570\u306f\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\uff08Sub\/Function\uff09\u304c\u7d42\u4e86\u3059\u308b\u3068\u5185\u5bb9\u304c\u6d88\u3048\u308b\uff08\u30b9\u30b3\u30fc\u30d7\u306b\u4f9d\u5b58\uff09\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"background:#0d1117;border-radius:8px;padding:16px 20px;margin:16px 0;overflow-x:auto;\">\n  <div style=\"font-size:11px;color:#a5d6ff;margin-bottom:6px;letter-spacing:1px;\">VBA<\/div>\n  <pre style=\"margin:0;font-family:'Courier New',Consolas,monospace;font-size:14px;line-height:1.8;color:#c9d1d9;white-space:pre;\">' \u5909\u6570\u3092\u4f7f\u308f\u306a\u3044\u5834\u5408\uff08\u8aad\u307f\u306b\u304f\u3044\uff09\nSheet1.Cells(1, 1).Value = Sheet1.Cells(2, 1).Value + Sheet1.Cells(3, 1).Value + Sheet1.Cells(4, 1).Value\n\n' \u5909\u6570\u3092\u4f7f\u3063\u305f\u5834\u5408\uff08\u8aad\u307f\u3084\u3059\u3044\uff09\nDim totalSalary As Long\ntotalSalary = Sheet1.Cells(2, 1).Value + Sheet1.Cells(3, 1).Value + Sheet1.Cells(4, 1).Value\nSheet1.Cells(1, 1).Value = totalSalary<\/pre>\n<\/div>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>\u5909\u6570\u3092\u5ba3\u8a00<\/strong><br><span style=\"font-size:12px;\">Dim \u5909\u6570\u540d As \u578b<br>\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd<\/span><\/div>  <div class=\"g-flow-arrow\">&#8594;<\/div>  <div class=\"g-flow-item\"><strong>\u5024\u3092\u4ee3\u5165<\/strong><br><span style=\"font-size:12px;\">\u5909\u6570\u540d = \u5024<br>\u30c7\u30fc\u30bf\u3092\u683c\u7d0d<\/span><\/div>  <div class=\"g-flow-arrow\">&#8594;<\/div>  <div class=\"g-flow-item\"><strong>\u5909\u6570\u3092\u4f7f\u3046<\/strong><br><span style=\"font-size:12px;\">\u8a08\u7b97\u30fb\u6bd4\u8f03\u30fb\u51fa\u529b<br>\u5024\u3092\u53c2\u7167\u3057\u3066\u51e6\u7406<\/span><\/div>  <div class=\"g-flow-arrow\">&#8594;<\/div>  <div class=\"g-flow-item\"><strong>\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u7d42\u4e86<\/strong><br><span style=\"font-size:12px;\">\u5909\u6570\u306e\u4e2d\u8eab\u304c<br>\u30e1\u30e2\u30ea\u304b\u3089\u89e3\u653e<\/span><\/div>\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u300c\u5909\u6570\u306f\u30e9\u30d9\u30eb\u4ed8\u304d\u306e\u7bb1\u300d\u3068\u899a\u3048\u308b\u3068\u76f4\u611f\u7684\u3067\u3059\u3002\u300cDim count As Integer\u300d\u306f\u300ccount\u3068\u3044\u3046\u540d\u524d\u306eInteger\u578b\u306e\u7bb1\u3092\u7528\u610f\u3059\u308b\u300d\u3068\u3044\u3046\u610f\u5473\u3002\u305d\u306e\u5f8c\u300ccount = 0\u300d\u3067\u7bb1\u306b0\u3092\u5165\u308c\u3001\u300ccount = count + 1\u300d\u3067\u7bb1\u304b\u3089\u5024\u3092\u53d6\u308a\u51fa\u3057\u30661\u3092\u8db3\u3057\u3001\u307e\u305f\u7bb1\u306b\u5165\u308c\u76f4\u3059\u30a4\u30e1\u30fc\u30b8\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=cc-vba-dim-variable&#038;blog_slug=cc-vba-dim-variable\" 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=cc-vba-dim-variable&#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;\">DATA TYPES<\/span>\n  <span class=\"section-title\" style=\"display:block;\">VBA\u306e\u30c7\u30fc\u30bf\u578b\u4e00\u89a7\uff1aInteger\u30fbLong\u30fbString\u30fbBoolean\u7b49<\/span>\n  <span class=\"section-desc\">\u5909\u6570\u306b\u683c\u7d0d\u3067\u304d\u308b\u30c7\u30fc\u30bf\u306e\u7a2e\u985e\u3068\u30c7\u30fc\u30bf\u578b\u306e\u9078\u3073\u65b9<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">VBA\u306e\u5909\u6570\u306f\u5ba3\u8a00\u6642\u306b\u300c\u3069\u306e\u7a2e\u985e\u306e\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u304b\u300d\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u3092<strong>\u30c7\u30fc\u30bf\u578b<\/strong>\u3068\u547c\u3073\u307e\u3059\u3002\u9069\u5207\u306a\u30c7\u30fc\u30bf\u578b\u3092\u9078\u3076\u3053\u3068\u3067\u3001\u51e6\u7406\u306e\u5b89\u5168\u6027\u30fb\u901f\u5ea6\u30fb\u30e1\u30e2\u30ea\u52b9\u7387\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u30c7\u30fc\u30bf\u578b<\/th><th>\u683c\u7d0d\u3067\u304d\u308b\u5024<\/th><th>\u30e1\u30e2\u30ea<\/th><th>\u4f7f\u3046\u5834\u9762<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>Integer<\/td><td>-32,768\u301c32,767\u306e\u6574\u6570<\/td><td>2\u30d0\u30a4\u30c8<\/td><td>\u5c0f\u3055\u3044\u6574\u6570\u306e\u30ab\u30a6\u30f3\u30bf\u30fb\u30eb\u30fc\u30d7\u5909\u6570<\/td><\/tr>\n<tr><td>Long<\/td><td>-2,147,483,648\u301c2,147,483,647\u306e\u6574\u6570<\/td><td>4\u30d0\u30a4\u30c8<\/td><td>\u5927\u304d\u306a\u6574\u6570\u30fb\u884c\u6570\u30fb\u4ef6\u6570\uff08Integer\u304c\u6ea2\u308c\u308b\u6642\uff09<\/td><\/tr>\n<tr><td>Single<\/td><td>\u5358\u7cbe\u5ea6\u6d6e\u52d5\u5c0f\u6570\u70b9\uff08\u7d047\u6841\uff09<\/td><td>4\u30d0\u30a4\u30c8<\/td><td>\u5927\u307e\u304b\u306a\u5c0f\u6570\u8a08\u7b97<\/td><\/tr>\n<tr><td>Double<\/td><td>\u500d\u7cbe\u5ea6\u6d6e\u52d5\u5c0f\u6570\u70b9\uff08\u7d0415\u6841\uff09<\/td><td>8\u30d0\u30a4\u30c8<\/td><td>\u7cbe\u5ea6\u304c\u5fc5\u8981\u306a\u5c0f\u6570\u8a08\u7b97\u30fb\u7d71\u8a08<\/td><\/tr>\n<tr><td>String<\/td><td>\u6587\u5b57\u5217<\/td><td>10\u30d0\u30a4\u30c8+\u6587\u5b57\u6570<\/td><td>\u540d\u524d\u30fb\u4f4f\u6240\u30fb\u30c6\u30ad\u30b9\u30c8<\/td><\/tr>\n<tr><td>Boolean<\/td><td>True\/False<\/td><td>2\u30d0\u30a4\u30c8<\/td><td>\u30d5\u30e9\u30b0\u30fb\u6761\u4ef6\u306e\u7d50\u679c<\/td><\/tr>\n<tr><td>Date<\/td><td>\u65e5\u4ed8\u3068\u6642\u523b<\/td><td>8\u30d0\u30a4\u30c8<\/td><td>\u65e5\u4ed8\u30fb\u6642\u523b\u306e\u8a08\u7b97<\/td><\/tr>\n<tr><td>Object<\/td><td>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u53c2\u7167<\/td><td>4\u30d0\u30a4\u30c8<\/td><td>Worksheet\u3084Range\u306e\u53c2\u7167<\/td><\/tr>\n<tr><td>Variant<\/td><td>\u3069\u3093\u306a\u578b\u3067\u3082\u683c\u7d0d\u53ef\u80fd<\/td><td>16\u30d0\u30a4\u30c8\u4ee5\u4e0a<\/td><td>\u578b\u4e0d\u660e\u306e\u5909\u6570\uff08\u591a\u7528\u3092\u907f\u3051\u308b\uff09<\/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>Integer\u3068Long\u306e\u9055\u3044<\/strong>\uff1a\u3069\u3061\u3089\u3082\u6574\u6570\u3092\u683c\u7d0d\u3059\u308b\u30c7\u30fc\u30bf\u578b\u3060\u304c\u3001\u6271\u3048\u308b\u6570\u5024\u306e\u7bc4\u56f2\u304c\u9055\u3046\u3002Integer\u306f-32,768\u301c32,767\uff08\u7d043\u4e07\uff09\u3001Long\u306f-2,147,483,648\u301c2,147,483,647\uff08\u7d0420\u5104\uff09\u3002Excel\u306e\u6700\u5927\u884c\u6570\u306f1,048,576\uff08\u7d04100\u4e07\uff09\u306a\u306e\u3067\u3001\u884c\u756a\u53f7\u3092\u683c\u7d0d\u3059\u308b\u5909\u6570\u306fInteger\u3067\u306f\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3059\u308b\u305f\u3081Long\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308b\u3002VBA\u306e\u5b9f\u884c\u901f\u5ea6\u306f32bit\u74b0\u5883\u3067\u306fInteger\u3088\u308aLong\u306e\u65b9\u304c\u901f\u3044\u3068\u3082\u8a00\u308f\u308c\u3001\u8ff7\u3063\u305f\u3089Long\u3092\u4f7f\u3046\u306e\u304c\u5b9f\u52d9\u306e\u7d4c\u9a13\u5247\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"background:#0d1117;border-radius:8px;padding:16px 20px;margin:16px 0;overflow-x:auto;\">\n  <div style=\"font-size:11px;color:#a5d6ff;margin-bottom:6px;letter-spacing:1px;\">VBA<\/div>\n  <pre style=\"margin:0;font-family:'Courier New',Consolas,monospace;font-size:14px;line-height:1.8;color:#c9d1d9;white-space:pre;\">' \u30c7\u30fc\u30bf\u578b\u306e\u5ba3\u8a00\u4f8b\nDim i As Integer          ' \u30eb\u30fc\u30d7\u30ab\u30a6\u30f3\u30bf\uff08\u5c0f\u3055\u3044\u6574\u6570\uff09\nDim rowCount As Long       ' \u884c\u6570\uff08Integer\u3067\u306f\u6ea2\u308c\u308b\u53ef\u80fd\u6027\uff09\nDim price As Double        ' \u91d1\u984d\uff08\u5c0f\u6570\u70b9\u304c\u5fc5\u8981\u306a\u5834\u5408\uff09\nDim userName As String     ' \u6c0f\u540d\nDim isActive As Boolean    ' \u30d5\u30e9\u30b0\uff08True\/False\uff09\nDim targetDate As Date     ' \u5bfe\u8c61\u65e5\u4ed8\nDim ws As Worksheet        ' \u30ef\u30fc\u30af\u30b7\u30fc\u30c8\u3078\u306e\u53c2\u7167\nDim anything As Variant    ' \u578b\u4e0d\u660e\uff08\u591a\u7528\u3092\u907f\u3051\u308b\uff09<\/pre>\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;\"><span style=\"font-size:20px;\">&#9888;&#65039;<\/span><strong style=\"color:#dc2626;font-size:16px;\">Variant\u306e\u591a\u7528\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u4f4e\u4e0b\u306e\u539f\u56e0<\/strong><\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">VBA\u306e\u5909\u6570\u5ba3\u8a00\u3067\u30c7\u30fc\u30bf\u578b\u3092\u7701\u7565\uff08\u300cDim x\u300d\u306e\u307f\uff09\u3059\u308b\u3068\u81ea\u52d5\u7684\u306bVariant\u578b\u306b\u306a\u308a\u307e\u3059\u3002Variant\u306f\u4fbf\u5229\u3067\u3059\u304c\u6700\u3082\u591a\u304f\u306e\u30e1\u30e2\u30ea\u3092\u4f7f\u3044\u3001\u5b9f\u884c\u901f\u5ea6\u304c\u9045\u304f\u306a\u308a\u307e\u3059\u3002\u5927\u91cf\u30c7\u30fc\u30bf\u3092\u6271\u3046\u30eb\u30fc\u30d7\u3067Variant\u3092\u4f7f\u3046\u3068\u8457\u3057\u304f\u9045\u304f\u306a\u308b\u305f\u3081\u3001\u53ef\u80fd\u306a\u9650\u308a\u9069\u5207\u306a\u30c7\u30fc\u30bf\u578b\u3092\u660e\u793a\u3057\u3066\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\">\u5b9f\u52d9\u3067\u306e\u30c7\u30fc\u30bf\u578b\u9078\u3073\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u6307\u91dd\uff1a\u300c\u6574\u6570\u306720\u5104\u4ee5\u5185\u306a\u3089Long\u3001\u5c0f\u6570\u306a\u3089Double\u3001\u6587\u5b57\u5217\u306a\u3089String\u3001\u65e5\u4ed8\u306a\u3089Date\u3001True\/False\u306a\u3089Boolean\u300d\u3002Variant\u306f\u578b\u304c\u672c\u5f53\u306b\u4e0d\u660e\u306a\u5834\u5408\uff08\u914d\u5217\u306e\u683c\u7d0d\u7b49\uff09\u306b\u9650\u5b9a\u3057\u3066\u4f7f\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=cc-vba-dim-variable&#038;blog_slug=cc-vba-dim-variable\" 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=cc-vba-dim-variable&#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;\">DIM SYNTAX<\/span>\n  <span class=\"section-title\" style=\"display:block;\">Dim\u6587\u3067\u5909\u6570\u3092\u5ba3\u8a00\u3059\u308b\u57fa\u672c\u69cb\u6587<\/span>\n  <span class=\"section-desc\">Dim \u5909\u6570\u540d As \u30c7\u30fc\u30bf\u578b \u306e\u66f8\u304d\u65b9\u3068\u8907\u6570\u5909\u6570\u306e\u5ba3\u8a00\u65b9\u6cd5<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">VBA\u3067\u5909\u6570\u3092\u5ba3\u8a00\u3059\u308b\u306b\u306f<strong>Dim\u6587\uff08Dimension\u6587\uff09<\/strong>\u3092\u4f7f\u3044\u307e\u3059\u3002\u300cDim \u5909\u6570\u540d As \u30c7\u30fc\u30bf\u578b\u300d\u304c\u57fa\u672c\u69cb\u6587\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#0d1117;border-radius:8px;padding:16px 20px;margin:16px 0;overflow-x:auto;\">\n  <div style=\"font-size:11px;color:#a5d6ff;margin-bottom:6px;letter-spacing:1px;\">VBA<\/div>\n  <pre style=\"margin:0;font-family:'Courier New',Consolas,monospace;font-size:14px;line-height:1.8;color:#c9d1d9;white-space:pre;\">' \u57fa\u672c\u69cb\u6587\nDim \u5909\u6570\u540d As \u30c7\u30fc\u30bf\u578b\n\n' \u4f8b\nDim userName As String\nDim count As Long\nDim price As Double\nDim isValid As Boolean\n\n' \u521d\u671f\u5024\uff08\u5ba3\u8a00\u76f4\u5f8c\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\uff09\n' Numeric\u578b: 0\n' String: \"\" (\u7a7a\u6587\u5b57)\n' Boolean: False\n' Date: #00:00:00#\n' Object: Nothing<\/pre>\n<\/div>\n\n\n\n<div style=\"background:#0d1117;border-radius:8px;padding:16px 20px;margin:16px 0;overflow-x:auto;\">\n  <div style=\"font-size:11px;color:#a5d6ff;margin-bottom:6px;letter-spacing:1px;\">VBA<\/div>\n  <pre style=\"margin:0;font-family:'Courier New',Consolas,monospace;font-size:14px;line-height:1.8;color:#c9d1d9;white-space:pre;\">' \u8907\u6570\u306e\u5909\u6570\u3092\u5ba3\u8a00\u3059\u308b\u65b9\u6cd5\n\n' \u65b9\u6cd51: 1\u884c\u305a\u3064\u5ba3\u8a00\uff08\u63a8\u5968\u30fb\u8aad\u307f\u3084\u3059\u3044\uff09\nDim firstName As String\nDim lastName As String\nDim age As Integer\n\n' \u65b9\u6cd52: \u30ab\u30f3\u30de\u533a\u5207\u308a\u30671\u884c\u306b\uff08\u7c21\u6f54\u3060\u304c\u9577\u304f\u306a\u308a\u304c\u3061\uff09\nDim firstName As String, lastName As String, age As Integer\n\n' \u6ce8\u610f: \u578b\u3092\u7701\u7565\u3059\u308b\u3068Variant\u306b\u306a\u308b\nDim a, b As String  ' a \u306f Variant\uff08String\u3067\u306f\u306a\u3044\uff01\uff09\nDim c As String, d As String  ' c \u3082 d \u3082 String\uff08\u6b63\u3057\u3044\u66f8\u304d\u65b9\uff09<\/pre>\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;\"><span style=\"font-size:20px;\">&#9888;&#65039;<\/span><strong style=\"color:#dc2626;font-size:16px;\">\u300cDim a, b As String\u300d\u3067a\u306fVariant\u306b\u306a\u308b<\/strong><\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u300cDim a, b As String\u300d\u3068\u66f8\u304f\u3068\u300ca\u3068b\u3092String\u3067\u5ba3\u8a00\u300d\u3057\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u304c\u3001VBA\u3067\u306fa\u304cVariant\uff08\u578b\u6307\u5b9a\u306a\u3057\uff09\u3001b\u304cString\u306b\u306a\u308a\u307e\u3059\u3002\u5168\u3066String\u306b\u3059\u308b\u306b\u306f\u300cDim a As String, b As String\u300d\u3068\u5404\u5909\u6570\u306b\u578b\u3092\u660e\u793a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002VBA\u521d\u5fc3\u8005\u304c\u6700\u3082\u3088\u304f\u72af\u3059\u30df\u30b9\u306e1\u3064\u3067\u3059\u3002<\/p>\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;\"><span style=\"font-size:18px;\">&#128161;<\/span><strong style=\"color:#16a34a;font-size:15px;\">\u5909\u6570\u5ba3\u8a00\u306f\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u306e\u5148\u982d\u306b\u307e\u3068\u3081\u308b<\/strong><\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">VBA\u3067\u306f\u5909\u6570\u5ba3\u8a00\u3092Sub\/Function\u5185\u306e\u3069\u3053\u3067\u3082\u66f8\u3051\u307e\u3059\u304c\u3001\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u306e\u5148\u982d\u306b\u307e\u3068\u3081\u3066\u66f8\u304f\u306e\u304c\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3067\u3059\u3002\u300c\u3069\u3093\u306a\u5909\u6570\u304c\u4f7f\u308f\u308c\u308b\u304b\u300d\u3092\u6700\u521d\u306b\u628a\u63e1\u3067\u304d\u308b\u305f\u3081\u3001\u30b3\u30fc\u30c9\u306e\u8aad\u307f\u3084\u3059\u3055\u304c\u5411\u4e0a\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\">Dim\u6587\u306fSub\u301cEnd Sub\u306e\u5185\u5074\u3001\u304b\u3064\u51e6\u7406\u304c\u59cb\u307e\u308b\u524d\uff08\u6700\u521d\u306e\u884c\uff09\u306b\u66f8\u304f\u306e\u304c\u539f\u5247\u3067\u3059\u3002\u30eb\u30fc\u30d7\u306e\u4e2d\u3067Dim\u3092\u66f8\u3044\u3066\u3082\u52d5\u4f5c\u3057\u307e\u3059\u304c\u3001\u6bce\u56de\u5ba3\u8a00\u3068\u521d\u671f\u5316\u304c\u7e70\u308a\u8fd4\u3055\u308c\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u60aa\u304f\u306a\u308a\u307e\u3059\u3002\u30eb\u30fc\u30d7\u5909\u6570\u306f\u30eb\u30fc\u30d7\u306e\u5916\u3067Dim\u3092\u5ba3\u8a00\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-vba-dim-variable&#038;blog_slug=cc-vba-dim-variable\" 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=cc-vba-dim-variable&#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;\">NAMING RULES<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u5909\u6570\u540d\u306e\u547d\u540d\u898f\u5247\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/span>\n  <span class=\"section-desc\">VBA\u306e\u5909\u6570\u540d\u3067\u4f7f\u3048\u308b\u6587\u5b57\u30fb\u4f7f\u3048\u306a\u3044\u6587\u5b57\u3068\u8aad\u307f\u3084\u3059\u3044\u547d\u540d\u306e\u65b9\u6cd5<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">VBA\u306e\u5909\u6570\u540d\u306b\u306f<strong>\u4f7f\u3048\u308b\u6587\u5b57\u3068\u4f7f\u3048\u306a\u3044\u6587\u5b57<\/strong>\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u8aad\u307f\u3084\u3059\u3044\u30b3\u30fc\u30c9\u306b\u3059\u308b\u305f\u3081\u306e\u547d\u540d\u898f\u5247\uff08\u547d\u540d\u30eb\u30fc\u30eb\uff09\u3092\u5b88\u308b\u3053\u3068\u3082\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u30eb\u30fc\u30eb<\/th><th>\u8a73\u7d30<\/th><th>OK\u4f8b<\/th><th>NG\u4f8b<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u4f7f\u3048\u308b\u6587\u5b57<\/td><td>\u82f1\u6570\u5b57\u30fb\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2\uff08_\uff09<\/td><td>count, user_name, totalAmount<\/td><td><\/td><\/tr>\n<tr><td>\u5148\u982d\u6587\u5b57<\/td><td>\u82f1\u5b57\u307e\u305f\u306f\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2\u306e\u307f<\/td><td>total, _count<\/td><td>1total, 123abc<\/td><\/tr>\n<tr><td>\u7981\u6b62\u6587\u5b57<\/td><td>\u30b9\u30da\u30fc\u30b9\u30fb\u8a18\u53f7\uff08.\u3001,\u3001$\u7b49\uff09<\/td><td><\/td><td>user name, total.count<\/td><\/tr>\n<tr><td>\u4e88\u7d04\u8a9e\u7981\u6b62<\/td><td>VBA\u30ad\u30fc\u30ef\u30fc\u30c9\u3068\u540c\u3058\u540d\u524d\u306f\u4e0d\u53ef<\/td><td><\/td><td>Dim, If, Sub, End<\/td><\/tr>\n<tr><td>\u5927\u6587\u5b57\u5c0f\u6587\u5b57<\/td><td>\u533a\u5225\u306a\u3057\uff08total\u3068Total\u306f\u540c\u3058\uff09<\/td><td><\/td><td><\/td><\/tr>\n<tr><td>\u6587\u5b57\u6570\u4e0a\u9650<\/td><td>255\u6587\u5b57\u307e\u3067<\/td><td><\/td><td><\/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>\u30ad\u30e3\u30e1\u30eb\u30b1\u30fc\u30b9\uff08camelCase\uff09\u3068\u30b9\u30cd\u30fc\u30af\u30b1\u30fc\u30b9\uff08snake_case\uff09<\/strong>\uff1a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u8907\u6570\u306e\u5358\u8a9e\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u5909\u6570\u540d\u3092\u66f8\u304f\u3068\u304d\u306e\u8868\u8a18\u30eb\u30fc\u30eb\u3002\u30ad\u30e3\u30e1\u30eb\u30b1\u30fc\u30b9\u306f\u300ctotalSalary\u300d\u300cuserName\u300d\u306e\u3088\u3046\u306b2\u8a9e\u76ee\u4ee5\u964d\u306e\u5148\u982d\u3092\u5927\u6587\u5b57\u306b\u3059\u308b\uff08\u30e9\u30af\u30c0\u306e\u3053\u3076\u306e\u3088\u3046\u306b\u898b\u3048\u308b\u304b\u3089\uff09\u3002\u30b9\u30cd\u30fc\u30af\u30b1\u30fc\u30b9\u306f\u300ctotal_salary\u300d\u300cuser_name\u300d\u306e\u3088\u3046\u306b\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2\u3067\u533a\u5207\u308b\u3002VBA\u3067\u306f\u30ad\u30e3\u30e1\u30eb\u30b1\u30fc\u30b9\u304c\u4e00\u822c\u7684\u306b\u4f7f\u308f\u308c\u308b\u3002\u300ci\u300d\u300cj\u300d\u300ck\u300d\u306f\u4f1d\u7d71\u7684\u306b\u30eb\u30fc\u30d7\u30ab\u30a6\u30f3\u30bf\u306b\u4f7f\u308f\u308c\u308b\u77ed\u7e2e\u5909\u6570\u540d\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"background:#0d1117;border-radius:8px;padding:16px 20px;margin:16px 0;overflow-x:auto;\">\n  <div style=\"font-size:11px;color:#a5d6ff;margin-bottom:6px;letter-spacing:1px;\">VBA<\/div>\n  <pre style=\"margin:0;font-family:'Courier New',Consolas,monospace;font-size:14px;line-height:1.8;color:#c9d1d9;white-space:pre;\">' \u826f\u3044\u5909\u6570\u540d\u306e\u4f8b\uff08\u30ad\u30e3\u30e1\u30eb\u30b1\u30fc\u30b9\uff09\nDim totalSalary As Long       ' \u5408\u8a08\u7d66\u4e0e\nDim customerName As String    ' \u9867\u5ba2\u540d\nDim isDataValid As Boolean    ' \u30c7\u30fc\u30bf\u304c\u6709\u52b9\u304b\u30d5\u30e9\u30b0\nDim lastUpdatedDate As Date   ' \u6700\u7d42\u66f4\u65b0\u65e5\nDim rowCount As Long          ' \u884c\u6570\u30ab\u30a6\u30f3\u30bf\n\n' \u60aa\u3044\u5909\u6570\u540d\u306e\u4f8b\nDim x As Long          ' \u4f55\u3092\u8868\u3059\u304b\u4e0d\u660e\nDim a1 As String       ' \u610f\u5473\u304c\u5206\u304b\u3089\u306a\u3044\nDim data As Variant    ' \u300cdata\u300d\u306f\u5e83\u3059\u304e\u3066\u66d6\u6627\nDim tmp As Double      ' tmp\u306f\u4f55\u306e\u4e00\u6642\u5909\u6570\u304b\u5206\u304b\u3089\u306a\u3044<\/pre>\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;\"><span style=\"font-size:18px;\">&#128161;<\/span><strong style=\"color:#16a34a;font-size:15px;\">\u5909\u6570\u540d\u306f\u30b3\u30fc\u30c9\u3092\u8aad\u3080\u4eba\u3078\u306e\u8aac\u660e\u6587<\/strong><\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u5909\u6570\u540d\u306f\u300c3\u30f6\u6708\u5f8c\u306e\u81ea\u5206\u304c\u8aad\u3093\u3067\u3082\u5206\u304b\u308b\u304b\u300d\u3092\u57fa\u6e96\u306b\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u300ci\u300d\u306f\u30eb\u30fc\u30d7\u30ab\u30a6\u30f3\u30bf\u3068\u3044\u3046\u6587\u8108\u304c\u3042\u308b\u306e\u3067\u8a31\u5bb9\u3055\u308c\u307e\u3059\u304c\u3001\u300cx\u300d\u3084\u300ca\u300d\u306e\u3088\u3046\u306a\u5358\u6587\u5b57\u5909\u6570\u540d\u306f\u4f55\u3092\u683c\u7d0d\u3057\u3066\u3044\u308b\u304b\u5206\u304b\u308a\u307e\u305b\u3093\u3002\u300ctotalAmount\uff08\u5408\u8a08\u91d1\u984d\uff09\u300d\u300cisEmailValid\uff08\u30e1\u30fc\u30eb\u304c\u6709\u52b9\u304b\u30d5\u30e9\u30b0\uff09\u300d\u306e\u3088\u3046\u306b\u3001\u5909\u6570\u540d\u81ea\u4f53\u304c\u8aac\u660e\u306b\u306a\u308b\u306e\u304c\u7406\u60f3\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u5909\u6570\u540d\u306b\u982d\u6587\u5b57\u3067\u30c7\u30fc\u30bf\u578b\u3092\u793a\u3059\u300c\u30cf\u30f3\u30ac\u30ea\u30a2\u30f3\u8a18\u6cd5\uff08strName\u30fbintCount\u30fbboolFlag\u7b49\uff09\u300d\u306f\u4e00\u6614\u524d\u306eVBA\u66f8\u7c4d\u3067\u3088\u304f\u898b\u3089\u308c\u307e\u3057\u305f\u3002\u73fe\u4ee3\u306e\u9759\u7684\u578b\u4ed8\u3051\u8a00\u8a9e\u3067\u306fIDE\u304c\u578b\u3092\u6559\u3048\u3066\u304f\u308c\u308b\u305f\u3081\u4e0d\u8981\u3068\u3055\u308c\u307e\u3059\u304c\u3001VBA\u3067\u306f\u578b\u30d2\u30f3\u30c8\u304c\u5c11\u306a\u3044\u305f\u3081\u300cstrUserName\u300d\u300clngRowCount\u300d\u306e\u3088\u3046\u306b\u578b\u3092\u540d\u524d\u306b\u542b\u3081\u308b\u306e\u304c\u4eca\u3067\u3082\u4e00\u5b9a\u306e\u652f\u6301\u3092\u5f97\u3066\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=cc-vba-dim-variable&#038;blog_slug=cc-vba-dim-variable\" 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=cc-vba-dim-variable&#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;\">OPTION EXPLICIT<\/span>\n  <span class=\"section-title\" style=\"display:block;\">Option Explicit\u3067\u5909\u6570\u5ba3\u8a00\u3092\u5f37\u5236\u3059\u308b<\/span>\n  <span class=\"section-desc\">\u5909\u6570\u540d\u306e\u30bf\u30a4\u30dd\u30d0\u30b0\u3092\u9632\u3050Option Explicit\u306e\u8a2d\u5b9a\u65b9\u6cd5\u3068\u52b9\u679c<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">VBA\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u3067\u306f\u3001\u5909\u6570\u3092Dim\u3067\u5ba3\u8a00\u305b\u305a\u306b\u3044\u304d\u306a\u308a\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u306f<strong>\u30bf\u30a4\u30dd\uff08\u8aa4\u5b57\uff09\u306b\u3088\u308b\u30d0\u30b0\u306e\u6e29\u5e8a<\/strong>\u306b\u306a\u308a\u307e\u3059\u3002<strong>Option Explicit<\/strong>\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u5ba3\u8a00\u3057\u3066\u3044\u306a\u3044\u5909\u6570\u3092\u4f7f\u7528\u3057\u305f\u6642\u70b9\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u308a\u3001\u30d0\u30b0\u3092\u9632\u3052\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>Option Explicit\uff08\u5909\u6570\u5ba3\u8a00\u306e\u5f37\u5236\uff09<\/strong>\uff1aVBA\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u5148\u982d\u306b\u66f8\u304f\u547d\u4ee4\u3002\u300cOption Explicit\u300d\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u306f\u3001Dim\/Public\/Private\u7b49\u3067\u5ba3\u8a00\u3057\u3066\u3044\u306a\u3044\u5909\u6570\u3092\u4f7f\u3046\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u300c\u5909\u6570\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u300d\u304c\u767a\u751f\u3059\u308b\u3002\u30b9\u30da\u30eb\u30df\u30b9\u306b\u3088\u308b\u6697\u9ed9\u306e\u5909\u6570\u751f\u6210\uff08\u30bf\u30a4\u30dd\u30d0\u30b0\uff09\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b\u3002VBA\u3092\u696d\u52d9\u3067\u4f7f\u3046\u5168\u3066\u306e\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u304c\u8a2d\u5b9a\u3059\u3079\u304d\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"background:#0d1117;border-radius:8px;padding:16px 20px;margin:16px 0;overflow-x:auto;\">\n  <div style=\"font-size:11px;color:#a5d6ff;margin-bottom:6px;letter-spacing:1px;\">VBA<\/div>\n  <pre style=\"margin:0;font-family:'Courier New',Consolas,monospace;font-size:14px;line-height:1.8;color:#c9d1d9;white-space:pre;\">' Option Explicit\u306a\u3057\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\uff09\u306e\u5834\u5408\nSub BadExample()\n    totalSalary = 100000  ' \u5ba3\u8a00\u306a\u3057\u3067\u4f7f\u3048\u308b\uff08\u30bf\u30a4\u30dd\u306e\u30ea\u30b9\u30af\uff09\n    ttalSalary = 200000   ' \u30bf\u30a4\u30dd\uff01 totalSalary\u306b\u53cd\u6620\u3055\u308c\u306a\u3044\n    MsgBox totalSalary    ' \u300c100000\u300d\u304c\u8868\u793a\uff08ttalSalary\u306f\u5225\u5909\u6570\uff09\nEnd Sub<\/pre>\n<\/div>\n\n\n\n<div style=\"background:#0d1117;border-radius:8px;padding:16px 20px;margin:16px 0;overflow-x:auto;\">\n  <div style=\"font-size:11px;color:#a5d6ff;margin-bottom:6px;letter-spacing:1px;\">VBA<\/div>\n  <pre style=\"margin:0;font-family:'Courier New',Consolas,monospace;font-size:14px;line-height:1.8;color:#c9d1d9;white-space:pre;\">' Option Explicit\u3042\u308a\uff08\u63a8\u5968\uff09\u306e\u5834\u5408\nOption Explicit  ' \u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u5148\u982d\u306b\u66f8\u304f\n\nSub GoodExample()\n    Dim totalSalary As Long\n    totalSalary = 100000\n    ttalSalary = 200000  ' \u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\uff01\u300c\u5909\u6570\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u300d\n    MsgBox totalSalary\nEnd Sub<\/pre>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Option Explicit\u3092\u5168\u3066\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u81ea\u52d5\u3067\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<div style=\"background:#0d1117;border-radius:8px;padding:16px 20px;margin:16px 0;overflow-x:auto;\">\n  <div style=\"font-size:11px;color:#a5d6ff;margin-bottom:6px;letter-spacing:1px;\">VBA<\/div>\n  <pre style=\"margin:0;font-family:'Courier New',Consolas,monospace;font-size:14px;line-height:1.8;color:#c9d1d9;white-space:pre;\">' \u81ea\u52d5\u8ffd\u52a0\u306e\u8a2d\u5b9a\u65b9\u6cd5\n' VBE\uff08Visual Basic Editor\uff09\u3092\u958b\u304f: Alt\u30ad\u30fc + F11\n' \u30e1\u30cb\u30e5\u30fc: \u30c4\u30fc\u30eb &gt; \u30aa\u30d7\u30b7\u30e7\u30f3 &gt; \u5909\u6570\u306e\u5ba3\u8a00\u3092\u5f37\u5236\u3059\u308b \u306b\u30c1\u30a7\u30c3\u30af\n' \u2192 \u65b0\u898f\u30e2\u30b8\u30e5\u30fc\u30eb\u4f5c\u6210\u6642\u306b\u81ea\u52d5\u3067Option Explicit\u304c\u8ffd\u52a0\u3055\u308c\u308b<\/pre>\n<\/div>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>VBE\u8d77\u52d5<\/strong><br><span style=\"font-size:12px;\">Alt + F11<br>\u30a8\u30c7\u30a3\u30bf\u3092\u958b\u304f<\/span><\/div>  <div class=\"g-flow-arrow\">&#8594;<\/div>  <div class=\"g-flow-item\"><strong>\u30c4\u30fc\u30eb\u30e1\u30cb\u30e5\u30fc<\/strong><br><span style=\"font-size:12px;\">\u30c4\u30fc\u30eb > \u30aa\u30d7\u30b7\u30e7\u30f3<br>\u3092\u9078\u629e<\/span><\/div>  <div class=\"g-flow-arrow\">&#8594;<\/div>  <div class=\"g-flow-item\"><strong>\u30a8\u30c7\u30a3\u30bf\u30fc\u306e\u8a2d\u5b9a<\/strong><br><span style=\"font-size:12px;\">\u300c\u5909\u6570\u306e\u5ba3\u8a00\u3092\u5f37\u5236\u3059\u308b\u300d<br>\u306b\u30c1\u30a7\u30c3\u30af<\/span><\/div>  <div class=\"g-flow-arrow\">&#8594;<\/div>  <div class=\"g-flow-item\"><strong>\u65b0\u898f\u30e2\u30b8\u30e5\u30fc\u30eb<\/strong><br><span style=\"font-size:12px;\">Option Explicit\u304c<br>\u81ea\u52d5\u3067\u633f\u5165\u3055\u308c\u308b<\/span><\/div>\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">Option Explicit\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u6700\u521d\u306f\u300c\u30a8\u30e9\u30fc\u304c\u591a\u304f\u3066\u9762\u5012\u300d\u3068\u611f\u3058\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3067\u3082\u5b9f\u969b\u306f\u300c\u30d0\u30b0\u304c\u65e9\u671f\u767a\u898b\u3067\u304d\u308b\u300d\u3060\u3051\u3067\u3001\u30a8\u30e9\u30fc\u6570\u304c\u5897\u3048\u305f\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4eca\u307e\u3067\u6c17\u3065\u304b\u306a\u304b\u3063\u305f\u30bf\u30a4\u30dd\u30d0\u30b0\u304c\u8868\u9762\u5316\u3057\u3066\u3044\u308b\u3060\u3051\u3067\u3059\u3002VBA\u3092\u696d\u52d9\u3067\u66f8\u304f\u306a\u3089\u5fc5\u305aOption Explicit\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-vba-dim-variable&#038;blog_slug=cc-vba-dim-variable\" 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=cc-vba-dim-variable&#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;\">ASSIGNMENT<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u5909\u6570\u306e\u521d\u671f\u5316\u3068\u4ee3\u5165\uff1a\u5024\u3092\u5165\u308c\u3066\u4f7f\u3046\u65b9\u6cd5<\/span>\n  <span class=\"section-desc\">\u5024\u306e\u4ee3\u5165\u30fb\u578b\u5909\u63db\u95a2\u6570\u30fbSet\u6587\u306b\u3088\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u4ee3\u5165\u306e\u5b9f\u4f8b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5909\u6570\u306b\u5024\u3092\u5165\u308c\u308b\u64cd\u4f5c\u3092<strong>\u4ee3\u5165<\/strong>\u3068\u547c\u3073\u3001\u300c=\u300d\u6f14\u7b97\u5b50\u3092\u4f7f\u3044\u307e\u3059\u3002VBA\u306e\u300c=\u300d\u306f\u300c\u7b49\u3057\u3044\u300d\u3067\u306f\u306a\u304f\u300c\u5de6\u8fba\u306b\u53f3\u8fba\u306e\u5024\u3092\u683c\u7d0d\u3059\u308b\u300d\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#0d1117;border-radius:8px;padding:16px 20px;margin:16px 0;overflow-x:auto;\">\n  <div style=\"font-size:11px;color:#a5d6ff;margin-bottom:6px;letter-spacing:1px;\">VBA<\/div>\n  <pre style=\"margin:0;font-family:'Courier New',Consolas,monospace;font-size:14px;line-height:1.8;color:#c9d1d9;white-space:pre;\">Sub AssignmentExamples()\n    ' \u6570\u5024\u306e\u4ee3\u5165\n    Dim count As Long\n    count = 0\n    count = count + 1  ' \u73fe\u5728\u306e\u5024\u306b1\u3092\u52a0\u7b97\n\n    ' \u6587\u5b57\u5217\u306e\u4ee3\u5165\n    Dim userName As String\n    userName = \"\u5c71\u7530\u592a\u90ce\"\n    userName = \"\u540d\u524d: \" &amp; userName  ' &amp; \u3067\u6587\u5b57\u5217\u3092\u9023\u7d50\n\n    ' \u30bb\u30eb\u306e\u5024\u3092\u5909\u6570\u306b\u4ee3\u5165\n    Dim cellValue As String\n    cellValue = ThisWorkbook.Sheets(1).Cells(1, 1).Value\n\n    ' \u65e5\u4ed8\u306e\u4ee3\u5165\n    Dim targetDate As Date\n    targetDate = Date         ' \u4eca\u65e5\u306e\u65e5\u4ed8\n    targetDate = #2026\/12\/31# ' \u7279\u5b9a\u306e\u65e5\u4ed8\uff08# \u3067\u56f2\u3080\uff09\n\n    ' Boolean\uff08True\/False\uff09\u306e\u4ee3\u5165\n    Dim isValid As Boolean\n    isValid = True\n    isValid = (count &gt; 0)  ' \u6bd4\u8f03\u5f0f\u306e\u7d50\u679c\u3092\u4ee3\u5165\nEnd Sub<\/pre>\n<\/div>\n\n\n\n<div style=\"background:#0d1117;border-radius:8px;padding:16px 20px;margin:16px 0;overflow-x:auto;\">\n  <div style=\"font-size:11px;color:#a5d6ff;margin-bottom:6px;letter-spacing:1px;\">VBA<\/div>\n  <pre style=\"margin:0;font-family:'Courier New',Consolas,monospace;font-size:14px;line-height:1.8;color:#c9d1d9;white-space:pre;\">' \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u578b\u306fSet\u6587\u3067\u4ee3\u5165\u3059\u308b\nDim ws As Worksheet\nSet ws = ThisWorkbook.Sheets(\"Sheet1\")  ' Set \u304c\u5fc5\u8981\uff01\n\n' \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u53c2\u7167\u3092\u89e3\u653e\u3059\u308b\u6642\u306fNothing\nSet ws = Nothing<\/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>Set\u6587\uff08\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u4ee3\u5165\uff09<\/strong>\uff1aVBA\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff08Worksheet\u30fbRange\u30fbWorkbook\u7b49\uff09\u3092\u5909\u6570\u306b\u4ee3\u5165\u3059\u308b\u6642\u306fSet\u30ad\u30fc\u30ef\u30fc\u30c9\u304c\u5fc5\u8981\u3002\u300cDim ws As Worksheet\u300d\u3067\u5909\u6570\u3092\u5ba3\u8a00\u3057\u305f\u5f8c\u3001\u300cSet ws = ThisWorkbook.Sheets(1)\u300d\u3067Set\u3092\u4f7f\u3063\u3066\u4ee3\u5165\u3059\u308b\u3002Set\u3092\u5fd8\u308c\u308b\u3068\u300c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5909\u6570\u307e\u305f\u306fWith\u30d6\u30ed\u30c3\u30af\u5909\u6570\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\uff08\u30a8\u30e9\u30fc91\uff09\u300d\u304c\u767a\u751f\u3059\u308b\u3002String\u30fbLong\u7b49\u306e\u901a\u5e38\u306e\u30c7\u30fc\u30bf\u578b\u306b\u306fSet\u306f\u4e0d\u8981\u3067\u300c\u5909\u6570\u540d = \u5024\u300d\u3067\u4ee3\u5165\u3067\u304d\u308b\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"background:#0d1117;border-radius:8px;padding:16px 20px;margin:16px 0;overflow-x:auto;\">\n  <div style=\"font-size:11px;color:#a5d6ff;margin-bottom:6px;letter-spacing:1px;\">VBA<\/div>\n  <pre style=\"margin:0;font-family:'Courier New',Consolas,monospace;font-size:14px;line-height:1.8;color:#c9d1d9;white-space:pre;\">' \u578b\u5909\u63db\u95a2\u6570\uff08\u578b\u304c\u4e00\u81f4\u3057\u306a\u3044\u6642\u306b\u5909\u63db\uff09\nDim strNum As String\nDim intNum As Integer\n\nstrNum = \"123\"\nintNum = CInt(strNum)   ' String \u2192 Integer\nstrNum = CStr(intNum)  ' Integer \u2192 String\n\n' \u4e3b\u306a\u578b\u5909\u63db\u95a2\u6570\n' CInt()   \u2192 Integer\n' CLng()   \u2192 Long\n' CDbl()   \u2192 Double\n' CStr()   \u2192 String\n' CBool()  \u2192 Boolean\n' CDate()  \u2192 Date<\/pre>\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\">Excel\u306e\u30bb\u30eb\u304b\u3089\u5024\u3092\u53d6\u5f97\u3059\u308b\u3068Variant\u578b\u306b\u306a\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u300cDim x = Cells(1,1).Value\u300d\u3067\u306f\u578b\u304c\u4e0d\u5b9a\u306b\u306a\u308b\u305f\u3081\u3001\u300cDim rowNum As Long: rowNum = CLng(Cells(1,1).Value)\u300d\u306e\u3088\u3046\u306b\u660e\u793a\u7684\u306b\u578b\u5909\u63db\u3059\u308b\u3053\u3068\u3067\u3001\u5f8c\u3005\u306e\u578b\u30df\u30b9\u30a8\u30e9\u30fc\u3092\u9632\u3052\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=cc-vba-dim-variable&#038;blog_slug=cc-vba-dim-variable\" 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=cc-vba-dim-variable&#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;\">SCOPE<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u5909\u6570\u306e\u30b9\u30b3\u30fc\u30d7\uff08\u6709\u52b9\u7bc4\u56f2\uff09\uff1a\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u30fb\u30e2\u30b8\u30e5\u30fc\u30eb\u30fbPublic<\/span>\n  <span class=\"section-desc\">Dim\u30fbStatic\u30fbPrivate\u30fbPublic\u306e\u9055\u3044\u3068\u4f7f\u3044\u5206\u3051<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5909\u6570\u306e<strong>\u30b9\u30b3\u30fc\u30d7\uff08\u6709\u52b9\u7bc4\u56f2\uff09<\/strong>\u3068\u306f\u300c\u5909\u6570\u304c\u3069\u306e\u7bc4\u56f2\u304b\u3089\u53c2\u7167\u3067\u304d\u308b\u304b\u300d\u3092\u6307\u3057\u307e\u3059\u3002VBA\u3067\u306f\u5909\u6570\u3092\u300c\u3069\u3053\u3067\u30fb\u4f55\u306e\u30ad\u30fc\u30ef\u30fc\u30c9\u3067\u5ba3\u8a00\u3059\u308b\u304b\u300d\u306b\u3088\u3063\u3066\u30b9\u30b3\u30fc\u30d7\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u5ba3\u8a00\u65b9\u6cd5<\/th><th>\u30b9\u30b3\u30fc\u30d7<\/th><th>\u6709\u52b9\u671f\u9593<\/th><th>\u4f7f\u3046\u5834\u9762<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>Sub\u5185\u3067Dim<\/td><td>\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u5185\u306e\u307f<\/td><td>Sub\u958b\u59cb\u301c\u7d42\u4e86\u307e\u3067<\/td><td>\u901a\u5e38\u306e\u5909\u6570\uff08\u63a8\u5968\u30c7\u30d5\u30a9\u30eb\u30c8\uff09<\/td><\/tr>\n<tr><td>Sub\u5185\u3067Static<\/td><td>\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u5185\u306e\u307f<\/td><td>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5168\u4f53\uff08\u5024\u304c\u4fdd\u6301\uff09<\/td><td>Sub\u547c\u3073\u51fa\u3057\u9593\u3067\u5024\u3092\u4fdd\u6301\u3057\u305f\u3044\u6642<\/td><\/tr>\n<tr><td>\u30e2\u30b8\u30e5\u30fc\u30eb\u5148\u982d\u3067Private\uff08\u307e\u305f\u306fDim\uff09<\/td><td>\u540c\u3058\u30e2\u30b8\u30e5\u30fc\u30eb\u5185\u306eSub\/Function\u5168\u4f53<\/td><td>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5168\u4f53<\/td><td>\u30e2\u30b8\u30e5\u30fc\u30eb\u5185\u3067\u8907\u6570Sub\u304c\u5171\u6709\u3059\u308b\u5024<\/td><\/tr>\n<tr><td>\u30e2\u30b8\u30e5\u30fc\u30eb\u5148\u982d\u3067Public<\/td><td>\u5168\u30e2\u30b8\u30e5\u30fc\u30eb\u304b\u3089\u30a2\u30af\u30bb\u30b9\u53ef<\/td><td>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5168\u4f53<\/td><td>\u5168\u4f53\u3067\u5171\u6709\u3059\u308b\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:#0d1117;border-radius:8px;padding:16px 20px;margin:16px 0;overflow-x:auto;\">\n  <div style=\"font-size:11px;color:#a5d6ff;margin-bottom:6px;letter-spacing:1px;\">VBA<\/div>\n  <pre style=\"margin:0;font-family:'Courier New',Consolas,monospace;font-size:14px;line-height:1.8;color:#c9d1d9;white-space:pre;\">' === \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u30b9\u30b3\u30fc\u30d7\uff08Dim - \u6700\u3082\u4e00\u822c\u7684\uff09 ===\nSub ProcedureScope()\n    Dim localVar As Long  ' \u3053\u306eSub\u5185\u306e\u307f\u6709\u52b9\n    localVar = 100\n    ' Sub\u7d42\u4e86\u3067localVar\u306e\u4e2d\u8eab\u304c\u6d88\u3048\u308b\nEnd Sub\n\n' === Static\u3067\u5024\u3092\u4fdd\u6301\u3059\u308b ===\nSub CountClicks()\n    Static clickCount As Long  ' \u547c\u3073\u51fa\u3057\u9593\u3067\u5024\u304c\u4fdd\u6301\u3055\u308c\u308b\n    clickCount = clickCount + 1\n    MsgBox \"\u30af\u30ea\u30c3\u30af\u56de\u6570: \" &amp; clickCount\nEnd Sub<\/pre>\n<\/div>\n\n\n\n<div style=\"background:#0d1117;border-radius:8px;padding:16px 20px;margin:16px 0;overflow-x:auto;\">\n  <div style=\"font-size:11px;color:#a5d6ff;margin-bottom:6px;letter-spacing:1px;\">VBA<\/div>\n  <pre style=\"margin:0;font-family:'Courier New',Consolas,monospace;font-size:14px;line-height:1.8;color:#c9d1d9;white-space:pre;\">' === \u30e2\u30b8\u30e5\u30fc\u30eb\u30b9\u30b3\u30fc\u30d7\uff08\u30e2\u30b8\u30e5\u30fc\u30eb\u5148\u982d\u306b\u66f8\u304f\uff09 ===\nOption Explicit\nPrivate moduleVar As String  ' \u3053\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u5185\u306e\u5168Sub\/Function\u3067\u4f7f\u3048\u308b\n\nSub FirstSub()\n    moduleVar = \"\u5024\u3092\u8a2d\u5b9a\"\nEnd Sub\n\nSub SecondSub()\n    MsgBox moduleVar  ' FirstSub\u3067\u8a2d\u5b9a\u3057\u305f\u5024\u3092\u53c2\u7167\u3067\u304d\u308b\nEnd Sub\n\n' === \u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30b3\u30fc\u30d7\uff08Public - \u6a19\u6e96\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u66f8\u304f\uff09 ===\nPublic globalVar As Long  ' \u5168\u30e2\u30b8\u30e5\u30fc\u30eb\u304b\u3089\u53c2\u7167\u53ef\u80fd<\/pre>\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;\"><span style=\"font-size:18px;\">&#128161;<\/span><strong style=\"color:#16a34a;font-size:15px;\">\u30b9\u30b3\u30fc\u30d7\u306f\u300c\u5fc5\u8981\u6700\u5c0f\u9650\u300d\u304c\u539f\u5247<\/strong><\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u5909\u6570\u306e\u30b9\u30b3\u30fc\u30d7\u306f\u300c\u5fc5\u8981\u306a\u7bc4\u56f2\u3060\u3051\u306b\u9650\u5b9a\u3059\u308b\u300d\u306e\u304c\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3067\u3059\u3002\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u5185\u3060\u3051\u3067\u4f7f\u3046\u5909\u6570\u306fDim\uff08\u30ed\u30fc\u30ab\u30eb\uff09\u3001\u8907\u6570\u306eSub\u3067\u5171\u6709\u3059\u308b\u306a\u3089Private\uff08\u30e2\u30b8\u30e5\u30fc\u30eb\uff09\u3001\u672c\u5f53\u306b\u5168\u4f53\u3067\u5fc5\u8981\u306a\u3089Public\uff08\u30b0\u30ed\u30fc\u30d0\u30eb\uff09\u3068\u6bb5\u968e\u7684\u306b\u5e83\u3052\u3066\u3044\u304d\u307e\u3059\u3002Public\u3092\u4e71\u7528\u3059\u308b\u3068\u300c\u3069\u3053\u3067\u5024\u304c\u5909\u308f\u3063\u305f\u304b\u300d\u3092\u8ffd\u3046\u306e\u304c\u56f0\u96e3\u306b\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\">Static\u5909\u6570\u306f\u3042\u307e\u308a\u77e5\u3089\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u4fbf\u5229\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u300c\u3053\u306e\u30dc\u30bf\u30f3\u304c\u4f55\u56de\u62bc\u3055\u308c\u305f\u304b\u300d\u3092\u30ab\u30a6\u30f3\u30c8\u3057\u305f\u3044\u5834\u5408\u3001Static\u5909\u6570\u306fSub\u7d42\u4e86\u5f8c\u3082\u5024\u3092\u4fdd\u6301\u3059\u308b\u305f\u3081\u3001\u6bce\u56de\u30bb\u30eb\u3084\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570\u306b\u4fdd\u5b58\u3057\u306a\u304f\u3066\u6e08\u307f\u307e\u3059\u3002\u305f\u3060\u3057\u30c7\u30d0\u30c3\u30b0\u6642\u306b\u300c\u306a\u305c\u3053\u306e\u5024\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u300d\u304c\u5206\u304b\u308a\u306b\u304f\u304f\u306a\u308b\u305f\u3081\u3001\u591a\u7528\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-vba-dim-variable&#038;blog_slug=cc-vba-dim-variable\" 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=cc-vba-dim-variable&#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;\">ARRAY<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u914d\u5217\u5909\u6570\u306e\u5ba3\u8a00\u3068\u4f7f\u3044\u65b9<\/span>\n  <span class=\"section-desc\">\u56fa\u5b9a\u9577\u914d\u5217\u30fb\u52d5\u7684\u914d\u5217\u30fbReDim\u306e\u4f7f\u3044\u65b9\u3068\u5b9f\u4f8b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">VBA\u306e<strong>\u914d\u5217\u5909\u6570<\/strong>\u306f\u3001\u540c\u3058\u30c7\u30fc\u30bf\u578b\u306e\u8907\u6570\u306e\u5024\u3092\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff08\u756a\u53f7\uff09\u3067\u7ba1\u7406\u3067\u304d\u308b\u5909\u6570\u3067\u3059\u3002\u300c100\u4eba\u5206\u306e\u540d\u524d\u300d\u306e\u3088\u3046\u306a\u30c7\u30fc\u30bf\u3092\u6271\u3046\u5834\u5408\u3001\u300cname1\u30fbname2\u30fbname3...\u300d\u3068100\u500b\u306e\u5909\u6570\u3092\u5ba3\u8a00\u3059\u308b\u3088\u308a\u914d\u5217\u304c\u52b9\u7387\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#0d1117;border-radius:8px;padding:16px 20px;margin:16px 0;overflow-x:auto;\">\n  <div style=\"font-size:11px;color:#a5d6ff;margin-bottom:6px;letter-spacing:1px;\">VBA<\/div>\n  <pre style=\"margin:0;font-family:'Courier New',Consolas,monospace;font-size:14px;line-height:1.8;color:#c9d1d9;white-space:pre;\">' === \u56fa\u5b9a\u9577\u914d\u5217\uff08\u8981\u7d20\u6570\u304c\u6c7a\u307e\u3063\u3066\u3044\u308b\u5834\u5408\uff09 ===\nDim scores(4) As Integer  ' 0\u301c4\u306e5\u8981\u7d20\uff080\u59cb\u307e\u308a\uff09\nscores(0) = 80\nscores(1) = 75\nscores(4) = 90\n\n' \u958b\u59cb\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30921\u306b\u3059\u308b\u5834\u5408\nDim names(1 To 5) As String  ' 1\u301c5\u306e5\u8981\u7d20\uff081\u59cb\u307e\u308a\uff09\nnames(1) = \"\u5c71\u7530\u592a\u90ce\"\nnames(5) = \"\u7530\u4e2d\u82b1\u5b50\"\n\n' For Each \u3067\u30eb\u30fc\u30d7\nDim i As Long\nFor i = 0 To 4\n    Debug.Print scores(i)\nNext i<\/pre>\n<\/div>\n\n\n\n<div style=\"background:#0d1117;border-radius:8px;padding:16px 20px;margin:16px 0;overflow-x:auto;\">\n  <div style=\"font-size:11px;color:#a5d6ff;margin-bottom:6px;letter-spacing:1px;\">VBA<\/div>\n  <pre style=\"margin:0;font-family:'Courier New',Consolas,monospace;font-size:14px;line-height:1.8;color:#c9d1d9;white-space:pre;\">' === \u52d5\u7684\u914d\u5217\uff08\u5b9f\u884c\u6642\u306b\u8981\u7d20\u6570\u3092\u6c7a\u3081\u308b\uff09 ===\nDim items() As String  ' \u30b5\u30a4\u30ba\u672a\u5b9a\u3067\u5ba3\u8a00\nDim n As Long\nn = Sheets(1).Cells(Rows.Count, 1).End(xlUp).Row  ' \u30c7\u30fc\u30bf\u884c\u6570\u3092\u53d6\u5f97\nReDim items(1 To n)   ' \u5b9f\u884c\u6642\u306b\u30b5\u30a4\u30ba\u3092\u8a2d\u5b9a\n\nDim i As Long\nFor i = 1 To n\n    items(i) = Sheets(1).Cells(i, 1).Value\nNext i\n\n' \u30b5\u30a4\u30ba\u5909\u66f4\u3057\u3066\u3082\u4e2d\u8eab\u3092\u4fdd\u6301\u3059\u308b\nReDim Preserve items(1 To n + 10)  ' Preserve\u3067\u65e2\u5b58\u30c7\u30fc\u30bf\u3092\u4fdd\u6301<\/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>ReDim\u3068ReDim Preserve<\/strong>\uff1aReDim\u306f\u52d5\u7684\u914d\u5217\u306e\u30b5\u30a4\u30ba\u3092\u5909\u66f4\u3059\u308bVBA\u306e\u547d\u4ee4\u3002\u300cReDim items(1 To 100)\u300d\u3067items\u3092100\u8981\u7d20\u306b\u5909\u66f4\u3067\u304d\u308b\u304c\u3001\u65e2\u5b58\u306e\u4e2d\u8eab\u306f\u6d88\u3048\u3066\u3057\u307e\u3046\uff08\u521d\u671f\u5316\u3055\u308c\u308b\uff09\u3002\u300cReDim Preserve items(1 To 100)\u300d\u3068\u3059\u308c\u3070Preserve\u30ad\u30fc\u30ef\u30fc\u30c9\u306b\u3088\u3063\u3066\u65e2\u5b58\u30c7\u30fc\u30bf\u3092\u4fdd\u6301\u3057\u305f\u307e\u307e\u30b5\u30a4\u30ba\u3092\u5909\u66f4\u3067\u304d\u308b\u3002\u305f\u3060\u3057Preserve\u306fVBA\u306e\u4ed5\u69d8\u4e0a\u3001\u591a\u6b21\u5143\u914d\u5217\u306e\u6700\u5f8c\u306e\u6b21\u5143\u306e\u307f\u5909\u66f4\u3067\u304d\u308b\u3068\u3044\u3046\u5236\u7d04\u304c\u3042\u308b\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\">\u914d\u5217\u5909\u6570\u306f\u5927\u91cf\u30c7\u30fc\u30bf\u3092\u4e00\u62ec\u51e6\u7406\u3059\u308b\u969b\u306b\u7279\u306b\u6709\u52b9\u3067\u3059\u3002\u300cExcel\u30b7\u30fc\u30c8\u306e\u5168\u30bb\u30eb\u3092\u30eb\u30fc\u30d7\u3067\u51e6\u7406\u3059\u308b\u3088\u308a\u3001\u307e\u305a\u914d\u5217\u306b\u8aad\u307f\u8fbc\u3093\u3067\u30e1\u30e2\u30ea\u4e0a\u3067\u51e6\u7406\u3057\u3066\u304b\u3089\u4e00\u62ec\u3067\u66f8\u304d\u8fbc\u3080\u300d\u65b9\u304c\u306f\u308b\u304b\u306b\u9ad8\u901f\u3067\u3059\u3002\u305f\u3068\u3048\u30701\u4e07\u884c\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u3067\u306f\u3001\u914d\u5217\u3092\u4f7f\u3046\u3068100\u500d\u4ee5\u4e0a\u901f\u304f\u306a\u308b\u3053\u3068\u3082\u73cd\u3057\u304f\u3042\u308a\u307e\u305b\u3093\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=cc-vba-dim-variable&#038;blog_slug=cc-vba-dim-variable\" 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=cc-vba-dim-variable&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-09\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">09<\/span>\n  <span class=\"section-label\" style=\"display:block;\">VBA ERRORS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">VBA\u5909\u6570\u3067\u3088\u304f\u8d77\u304d\u308b\u30a8\u30e9\u30fc\u3068\u30c7\u30d0\u30c3\u30b0\u65b9\u6cd5<\/span>\n  <span class=\"section-desc\">\u578b\u4e0d\u4e00\u81f4\u30fb\u672a\u5b9a\u7fa9\u5909\u6570\u30fb\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306a\u3069\u306e\u539f\u56e0\u3068\u5bfe\u51e6\u6cd5<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">VBA\u306e\u5909\u6570\u5468\u308a\u3067\u767a\u751f\u3059\u308b\u5178\u578b\u7684\u306a\u30a8\u30e9\u30fc\u3068\u305d\u306e\u5bfe\u51e6\u65b9\u6cd5\u3092\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u30a8\u30e9\u30fc<\/th><th>\u767a\u751f\u3059\u308b\u72b6\u6cc1<\/th><th>\u539f\u56e0<\/th><th>\u5bfe\u51e6\u65b9\u6cd5<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u578b\u304c\u4e00\u81f4\u3057\u307e\u305b\u3093\uff08\u30a8\u30e9\u30fc13\uff09<\/td><td>\u6587\u5b57\u5217\u3092Integer\u5909\u6570\u306b\u4ee3\u5165\u3057\u3088\u3046\u3068\u3057\u305f\u6642<\/td><td>\u30c7\u30fc\u30bf\u578b\u306e\u4e0d\u4e00\u81f4<\/td><td>CInt()\u7b49\u306e\u578b\u5909\u63db\u95a2\u6570\u3092\u4f7f\u3046<\/td><\/tr>\n<tr><td>\u5909\u6570\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u305b\u3093<\/td><td>Option Explicit\u8a2d\u5b9a\u6642\u306b\u672a\u5ba3\u8a00\u306e\u5909\u6570\u3092\u4f7f\u3063\u305f\u6642<\/td><td>\u30bf\u30a4\u30dd\u307e\u305f\u306f\u5ba3\u8a00\u6f0f\u308c<\/td><td>Dim\u6587\u3067\u5909\u6570\u3092\u5ba3\u8a00\u3059\u308b<\/td><\/tr>\n<tr><td>\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\uff08\u30a8\u30e9\u30fc6\uff09<\/td><td>Integer\u578b\u306b32,767\u8d85\u306e\u5024\u3092\u4ee3\u5165\u3057\u305f\u6642<\/td><td>\u30c7\u30fc\u30bf\u578b\u306e\u4e0a\u9650\u8d85\u904e<\/td><td>Integer\u3092Long\u306b\u5909\u66f4\u3059\u308b<\/td><\/tr>\n<tr><td>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5909\u6570\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\uff08\u30a8\u30e9\u30fc91\uff09<\/td><td>Set\u306a\u3057\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u578b\u5909\u6570\u3092\u4f7f\u3063\u305f\u6642<\/td><td>Set\u6587\u3092\u5fd8\u308c\u305f<\/td><td>Set ws = ... \u306e\u3088\u3046\u306bSet\u3092\u4ed8\u3051\u308b<\/td><\/tr>\n<tr><td>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u6709\u52b9\u7bc4\u56f2\u306b\u3042\u308a\u307e\u305b\u3093\uff08\u30a8\u30e9\u30fc9\uff09<\/td><td>\u914d\u5217\u306e\u7bc4\u56f2\u5916\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u6642<\/td><td>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u914d\u5217\u306e\u5ba3\u8a00\u30b5\u30a4\u30ba\u5916<\/td><td>UBound()\u3067\u4e0a\u9650\u3092\u78ba\u8a8d\u3057\u3066\u30eb\u30fc\u30d7<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>\u30a8\u30e9\u30fc\u767a\u751f<\/strong><br><span style=\"font-size:12px;\">\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc<br>\u5b9f\u884c\u6642\u30a8\u30e9\u30fc<\/span><\/div>  <div class=\"g-flow-arrow\">&#8594;<\/div>  <div class=\"g-flow-item\"><strong>\u30a8\u30e9\u30fc\u756a\u53f7\u78ba\u8a8d<\/strong><br><span style=\"font-size:12px;\">\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306e<br>\u756a\u53f7\u3092\u30e1\u30e2<\/span><\/div>  <div class=\"g-flow-arrow\">&#8594;<\/div>  <div class=\"g-flow-item\"><strong>\u767a\u751f\u884c\u3092\u7279\u5b9a<\/strong><br><span style=\"font-size:12px;\">VBE\u3067\u30a8\u30e9\u30fc\u884c\u304c<br>\u30cf\u30a4\u30e9\u30a4\u30c8\u8868\u793a<\/span><\/div>  <div class=\"g-flow-arrow\">&#8594;<\/div>  <div class=\"g-flow-item\"><strong>\u5909\u6570\u306e\u5024\u3092\u78ba\u8a8d<\/strong><br><span style=\"font-size:12px;\">\u30a6\u30a9\u30c3\u30c1\u30a6\u30a3\u30f3\u30c9\u30a6<br>\u307e\u305f\u306fMsgBox<\/span><\/div>  <div class=\"g-flow-arrow\">&#8594;<\/div>  <div class=\"g-flow-item\"><strong>\u539f\u56e0\u3092\u4fee\u6b63<\/strong><br><span style=\"font-size:12px;\">\u578b\u5909\u63db\u30fb\u5ba3\u8a00\u8ffd\u52a0<br>\u7b49\u3067\u5bfe\u51e6<\/span><\/div>\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">VBA\u306e\u30c7\u30d0\u30c3\u30b0\u3067\u6700\u3082\u4fbf\u5229\u306a\u306e\u306f\u300cDebug.Print \u5909\u6570\u540d\u300d\u3067\u3059\u3002VBE\u306e\u30a4\u30df\u30c7\u30a3\u30a8\u30a4\u30c8\u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u5909\u6570\u306e\u4e2d\u8eab\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u300cMsgBox \u5909\u6570\u540d\u300d\u306f\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u304c\u8868\u793a\u3055\u308c\u3066OK\u3092\u62bc\u3059\u307e\u3067\u6b62\u307e\u308a\u307e\u3059\u304c\u3001Debug.Print\u306f\u30de\u30af\u30ed\u3092\u6b62\u3081\u305a\u306b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u30eb\u30fc\u30d7\u5185\u306eDebug.Print\u306f\u30a4\u30df\u30c7\u30a3\u30a8\u30a4\u30c8\u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u5168\u53cd\u5fa9\u306e\u5024\u3092\u78ba\u8a8d\u3067\u304d\u308b\u305f\u3081\u975e\u5e38\u306b\u4fbf\u5229\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=cc-vba-dim-variable&#038;blog_slug=cc-vba-dim-variable\" 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=cc-vba-dim-variable&#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-10\"><\/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;\">10<\/span>\n  <span class=\"section-label\" style=\"display:block;\">CLAUDE CODE VBA<\/span>\n  <span class=\"section-title\" style=\"display:block;\">Claude Code\u3067VBA\u306e\u5909\u6570\u8a2d\u8a08\u30fb\u30de\u30af\u30ed\u751f\u6210\u3092\u52b9\u7387\u5316\u3059\u308b<\/span>\n  <span class=\"section-desc\">\u65e5\u672c\u8a9e\u3067VBA\u306e\u8981\u4ef6\u3092\u8aac\u660e\u3059\u308b\u3060\u3051\u3067\u30de\u30af\u30ed\u3068\u30c7\u30fc\u30bf\u578b\u304c\u81ea\u52d5\u8a2d\u8a08\u3055\u308c\u308b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">VBA\u306e\u5909\u6570\u30fb\u30c7\u30fc\u30bf\u578b\u30fbDim\u6587\u3092\u7406\u89e3\u3057\u305f\u3068\u3053\u308d\u3067\u3001<strong>Claude Code\u304cVBA\u30b3\u30fc\u30c9\u306e\u4f5c\u6210\u30fb\u30c7\u30d0\u30c3\u30b0\u3092\u3069\u3046\u52b9\u7387\u5316\u3059\u308b\u304b<\/strong>\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u3042\u306a\u305f\u306e\u4f9d\u983c<\/th><th>Claude Code\u304c\u751f\u6210\u3059\u308b\u3082\u306e<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u300cSheet1\u306eA\u5217\u306e\u5168\u30c7\u30fc\u30bf\u3092Long\u914d\u5217\u306b\u8aad\u307f\u8fbc\u3093\u3067\u5408\u8a08\u3092\u8a08\u7b97\u3057\u3066\u300d<\/td><td>\u52d5\u7684\u914d\u5217+ReDim+\u30eb\u30fc\u30d7+\u5408\u8a08\u8a08\u7b97\u306eVBA\u30b3\u30fc\u30c9<\/td><\/tr>\n<tr><td>\u300c\u3053\u306eVBA\u30b3\u30fc\u30c9\u3067\u30a8\u30e9\u30fc13\u304c\u51fa\u308b\u539f\u56e0\u3092\u6559\u3048\u3066\u300d<\/td><td>\u578b\u4e0d\u4e00\u81f4\u306e\u539f\u56e0\u7279\u5b9a\u3068CInt\/CLng\u7b49\u306e\u4fee\u6b63\u63d0\u6848<\/td><\/tr>\n<tr><td>\u300c\u5909\u6570\u540d\u3092\u3088\u308a\u5206\u304b\u308a\u3084\u3059\u304f\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u300d<\/td><td>i\u2192rowIndex\u7b49\u306e\u610f\u5473\u306e\u3042\u308b\u5909\u6570\u540d\u3078\u306e\u66f8\u304d\u63db\u3048<\/td><\/tr>\n<tr><td>\u300cOption Explicit\u5bfe\u5fdc\u306b\u66f8\u304d\u76f4\u3057\u3066\u672a\u4f7f\u7528\u5909\u6570\u3082\u524a\u9664\u3057\u3066\u300d<\/td><td>Option Explicit\u8ffd\u52a0+\u5168\u5909\u6570\u306eDim\u5ba3\u8a00+\u4e0d\u8981\u5909\u6570\u524a\u9664<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u300c\u3053\u306eExcel\u696d\u52d9\u3092\u81ea\u52d5\u5316\u3059\u308bVBA\u3092\u66f8\u3044\u3066\u300d<\/strong>\u3068\u696d\u52d9\u5185\u5bb9\u3092\u65e5\u672c\u8a9e\u3067\u8aac\u660e\u3057\u3066\u30de\u30af\u30ed\u3092\u751f\u6210<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u300cVBA\u306e\u30a8\u30e9\u30fc91\u304c\u51fa\u3066\u3044\u308b\u3002\u30b3\u30fc\u30c9\u306f\u3053\u308c\uff1a\u301c\u300d<\/strong>\u3068\u8cbc\u308a\u4ed8\u3051\u3066\u30c7\u30d0\u30c3\u30b0\u3092\u4f9d\u983c<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u300c\u3053\u306e\u30b3\u30fc\u30c9\u306b\u9069\u5207\u306a\u30c7\u30fc\u30bf\u578b\u3068Option Explicit\u3092\u8ffd\u52a0\u3057\u3066\u300d<\/strong>\u3068\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3092\u4f9d\u983c<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u300c1\u4e07\u884c\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u304c\u9045\u3044\u3002\u914d\u5217\u3092\u4f7f\u3063\u3066\u9ad8\u901f\u5316\u3057\u3066\u300d<\/strong>\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u3092\u4f9d\u983c<\/span><\/div>\n\n<\/div>\n\n\n\n<div style=\"background:linear-gradient(135deg,#1a1a1a,#2a1015);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:#dc2626;font-weight:700;letter-spacing:1px;\">VERDICT<\/div>\n    <div style=\"font-size:18px;font-weight:800;\">Claude Code\u3067VBA\u30de\u30af\u30ed\u306e\u4f5c\u6210\u5de5\u6570\u309280%\u524a\u6e1b<\/div>\n    <div style=\"font-size:14px;color:rgba(255,255,255,0.7);margin-top:4px;\">\u5909\u6570\u8a2d\u8a08\u30fb\u30c7\u30fc\u30bf\u578b\u9078\u629e\u30fb\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u30fb\u30b3\u30e1\u30f3\u30c8\u4ed8\u3051\u307e\u3067\u5168\u3066Claude Code\u304c\u5bfe\u5fdc\u3002VBA\u7d4c\u9a13\u8005\u306f\u300c\u8981\u4ef6\u306e\u6574\u7406\u300d\u306b\u96c6\u4e2d\u3057\u3001\u30b3\u30fc\u30c9\u306fAI\u306b\u751f\u6210\u3055\u305b\u308b\u3053\u3068\u3067\u5b9f\u88c5\u5de5\u6570\u304c\u5927\u5e45\u306b\u524a\u6e1b\u3067\u304d\u308b\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\u3067\u306f\u6bce\u6708\u306e\u7d4c\u8cbb\u96c6\u8a08\u30de\u30af\u30ed\u3092Claude Code\u3067\u751f\u6210\u3057\u307e\u3057\u305f\u3002\u300cSheet1\u306e\u8acb\u6c42\u66f8\u30c7\u30fc\u30bf\uff08\u4f1a\u793e\u540d\u30fb\u91d1\u984d\u30fb\u65e5\u4ed8\u304cA\u301cC\u5217\uff09\u3092C\u5217\u306e\u6708\u5225\u306b\u96c6\u8a08\u3057\u3066\u5225\u30b7\u30fc\u30c8\u306b\u8ee2\u8a18\u3059\u308b\u30de\u30af\u30ed\u3092\u66f8\u3044\u3066\u3002Option Explicit\u5fc5\u9808\u3067\u30c7\u30fc\u30bf\u578b\u306f\u9069\u5207\u306b\u9078\u3093\u3067\u300d\u3068\u4f9d\u983c\u3057\u305f\u3089\u3001\u914d\u5217\u30fb\u8f9e\u66f8\u30fb\u578b\u5909\u63db\u5168\u3066\u3092\u8003\u616e\u3057\u305f\u5b8c\u6210\u3057\u305f\u30b3\u30fc\u30c9\u304c3\u5206\u3067\u51fa\u6765\u307e\u3057\u305f\u3002<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">VBA\u306e\u696d\u52d9\u81ea\u52d5\u5316\u3082Claude Code\u3067\u52b9\u7387\u5316\u3067\u304d\u307e\u3059<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u300cExcel\u306e\u96c6\u8a08\u4f5c\u696d\u3092\u81ea\u52d5\u5316\u3057\u305f\u3044\u300d\u300cVBA\u306e\u30c7\u30d0\u30c3\u30b0\u304c\u96e3\u3057\u3044\u300d\u300c\u9069\u5207\u306a\u30c7\u30fc\u30bf\u578b\u306e\u9078\u3073\u65b9\u304c\u5206\u304b\u3089\u306a\u3044\u300d\u2014\u2014\u3053\u3046\u3057\u305fVBA\u30fbExcel\u81ea\u52d5\u5316\u306e\u8ab2\u984c\u306fClaude Code\u3067\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002\u307e\u305a\u306f\u7121\u6599\u76f8\u8ac7\u3067\u3069\u306e\u3088\u3046\u306a\u696d\u52d9\u52b9\u7387\u5316\u304c\u5fc5\u8981\u304b\u3092\u30d2\u30a2\u30ea\u30f3\u30b0\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div style=\"background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);border-radius:16px;padding:36px 32px;margin:48px 0 16px;color:#fff;\">\n  <p style=\"font-size:13px;font-weight:700;color:#dc2626;letter-spacing:2px;margin:0 0 12px;\">NEXT STEP<\/p>\n  <p style=\"font-size:22px;font-weight:800;line-height:1.5;margin:0 0 20px;\">\u3053\u306e\u8a18\u4e8b\u306e\u5185\u5bb9\u3092\u3001\u3042\u306a\u305f\u306e\u30d3\u30b8\u30cd\u30b9\u3067<br>\u5b9f\u8df5\u3057\u3066\u307f\u307e\u305b\u3093\u304b\uff1f<\/p>\n  <div style=\"background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);border-radius:12px;padding:24px;max-width:560px;margin:0 auto;\">\n    <p style=\"font-size:13px;color:#dc2626;font-weight:700;margin:0 0 8px;\">AI\u6d3b\u7528\u3092\u81ea\u793e\u3067\u56de\u305b\u308b\u3088\u3046\u306b\u306a\u308a\u305f\u3044\u65b9\u3078<\/p>\n    <p style=\"font-size:20px;font-weight:800;margin:0 0 12px;\">AI\u9b3c\u7ba1\u7406<\/p>\n    <p style=\"font-size:14px;color:rgba(255,255,255,0.75);margin:0 0 20px;line-height:1.7;\">Claude Code\u30fbCowork\u5c0e\u5165\u652f\u63f4\u304b\u3089\u696d\u52d9\u8a2d\u8a08\u30fb\u793e\u5185\u6d78\u900f\u307e\u3067\u5b9f\u8df5\u30d9\u30fc\u30b9\u3067\u4f34\u8d70\u3002\u300c\u81ea\u793e\u3067\u56de\u305b\u308b\u7d44\u7e54\u300d\u309290\u65e5\u3067\u4f5c\u308b\u7d4c\u55b6\u8005\u5411\u3051\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3002<\/p>\n    <div style=\"text-align:center;\">\n      <a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&utm_medium=article&utm_campaign=cc-vba-dim-variable&utm_content=next-step-cta\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;background:#dc2626;color:#fff;font-weight:700;font-size:15px;padding:14px 32px;border-radius:30px;text-decoration:none;\">AI\u9b3c\u7ba1\u7406\u3092\u8a73\u3057\u304f\u898b\u308b \u2192<\/a>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q. VBA\u3067Dim\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. Dim\u306fDimension\u306e\u7565\u3067\u3001VBA\u3067\u5909\u6570\u3092\u5ba3\u8a00\uff08\u30e1\u30e2\u30ea\u9818\u57df\u3092\u78ba\u4fdd\uff09\u3059\u308b\u305f\u3081\u306e\u30ad\u30fc\u30ef\u30fc\u30c9\u3067\u3059\u3002\u300cDim \u5909\u6570\u540d As \u30c7\u30fc\u30bf\u578b\u300d\u306e\u5f62\u3067\u66f8\u304d\u3001\u4f8b\u3048\u3070\u300cDim count As Long\u300d\u3067\u300ccount\u3068\u3044\u3046\u540d\u524d\u306eLong\u578b\uff08\u9577\u6574\u6570\uff09\u5909\u6570\u300d\u3092\u5ba3\u8a00\u3057\u307e\u3059\u3002Dim\u5ba3\u8a00\u3055\u308c\u305f\u5909\u6570\u306fSub\/Function\u306e\u4e2d\u3067\u4f7f\u3048\u308b\u300c\u5024\u3092\u5165\u308c\u308b\u7bb1\u300d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. VBA\u306eInteger\u3068Long\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u4e21\u65b9\u3068\u3082\u6574\u6570\u3092\u683c\u7d0d\u3059\u308b\u30c7\u30fc\u30bf\u578b\u3067\u3059\u304c\u3001\u6271\u3048\u308b\u6570\u5024\u306e\u7bc4\u56f2\u304c\u7570\u306a\u308a\u307e\u3059\u3002Integer\u306f-32,768\u301c32,767\uff08\u7d043\u4e07\uff09\u3001Long\u306f-2,147,483,648\u301c2,147,483,647\uff08\u7d0420\u5104\uff09\u3067\u3059\u3002Excel\u306e\u6700\u5927\u884c\u6570\uff081,048,576\uff09\u306fInteger\u3067\u306f\u683c\u7d0d\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u884c\u756a\u53f7\u3092\u6271\u3046\u5834\u5408\u306fLong\u3092\u4f7f\u3044\u307e\u3059\u3002\u8ff7\u3063\u305f\u3089Long\u3092\u4f7f\u3046\u306e\u304c\u5b9f\u52d9\u306e\u7d4c\u9a13\u5247\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. Option Explicit\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f\u306a\u305c\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. Option Explicit\u306fVBA\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u5148\u982d\u306b\u66f8\u304f\u547d\u4ee4\u3067\u3001\u5909\u6570\u306e\u5ba3\u8a00\uff08Dim\uff09\u3092\u5fc5\u9808\u306b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30b9\u30da\u30eb\u30df\u30b9\u3067\u8aa4\u3063\u305f\u5909\u6570\u540d\u3092\u4f7f\u3063\u305f\u5834\u5408\uff08\u4f8b\uff1atotal\u3092taotal\u3068\u30bf\u30a4\u30dd\uff09\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u65e9\u671f\u306b\u30d0\u30b0\u3092\u767a\u898b\u3067\u304d\u307e\u3059\u3002VBE\uff08\u30a8\u30c7\u30a3\u30bf\uff09\u306e\u300c\u30c4\u30fc\u30eb > \u30aa\u30d7\u30b7\u30e7\u30f3 > \u5909\u6570\u306e\u5ba3\u8a00\u3092\u5f37\u5236\u3059\u308b\u300d\u306b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3068\u3001\u65b0\u898f\u30e2\u30b8\u30e5\u30fc\u30eb\u4f5c\u6210\u6642\u306b\u81ea\u52d5\u3067Option Explicit\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. VBA\u3067\u5909\u6570\u306e\u30b9\u30b3\u30fc\u30d7\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u5909\u6570\u306e\u30b9\u30b3\u30fc\u30d7\u3068\u306f\u300c\u5909\u6570\u304c\u53c2\u7167\u3067\u304d\u308b\u6709\u52b9\u7bc4\u56f2\u300d\u306e\u3053\u3068\u3067\u3059\u3002Sub\/Function\u5185\u3067Dim\u5ba3\u8a00\u3057\u305f\u5909\u6570\u306f\u300c\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u30b9\u30b3\u30fc\u30d7\u300d\u3067\u305d\u306eSub\u5185\u306e\u307f\u6709\u52b9\u3067\u3059\u3002\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u5148\u982d\u3067Private\u5ba3\u8a00\u3057\u305f\u5909\u6570\u306f\u300c\u30e2\u30b8\u30e5\u30fc\u30eb\u30b9\u30b3\u30fc\u30d7\u300d\u3067\u305d\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u5185\u306e\u5168Sub\/Function\u304b\u3089\u53c2\u7167\u3067\u304d\u307e\u3059\u3002Public\u3067\u5ba3\u8a00\u3057\u305f\u5909\u6570\u306f\u300c\u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30b3\u30fc\u30d7\u300d\u3067\u5168\u30e2\u30b8\u30e5\u30fc\u30eb\u304b\u3089\u53c2\u7167\u3067\u304d\u307e\u3059\u304c\u3001\u591a\u7528\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. VBA\u306e\u914d\u5217\u5909\u6570\uff08Dynamic Array\uff09\u306e\u4f7f\u3044\u65b9\u3092\u6559\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u52d5\u7684\u914d\u5217\u306f\u300cDim items() As String\u300d\u306e\u3088\u3046\u306b\u8981\u7d20\u6570\u306a\u3057\u3067\u5ba3\u8a00\u3057\u3001\u5b9f\u884c\u6642\u306b\u300cReDim items(1 To n)\u300d\u3067\u30b5\u30a4\u30ba\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u65e2\u5b58\u306e\u5185\u5bb9\u3092\u4fdd\u6301\u3057\u305f\u307e\u30b5\u30a4\u30ba\u3092\u5909\u66f4\u3059\u308b\u306b\u306f\u300cReDim Preserve items(1 To n+10)\u300d\u306e\u3088\u3046\u306bPreserve\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u3044\u307e\u3059\u3002\u56fa\u5b9a\u9577\u914d\u5217\uff08Dim scores(4) As Integer\u7b49\uff09\u306f\u30b5\u30a4\u30ba\u304c\u5ba3\u8a00\u6642\u306b\u6c7a\u307e\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. VBA\u3067\u300c\u578b\u304c\u4e00\u81f4\u3057\u307e\u305b\u3093\uff08\u30a8\u30e9\u30fc13\uff09\u300d\u304c\u51fa\u308b\u539f\u56e0\u3068\u89e3\u6c7a\u65b9\u6cd5\u306f\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u6587\u5b57\u5217\u3092\u6570\u5024\u578b\u5909\u6570\u306b\u4ee3\u5165\u3057\u3088\u3046\u3068\u3057\u305f\u6642\u306a\u3069\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u30bb\u30eb\u306b\u300cabc\u300d\u3068\u3044\u3046\u6587\u5b57\u304c\u5165\u3063\u3066\u3044\u308b\u306e\u306bInteger\u306b\u4ee3\u5165\u3057\u3088\u3046\u3068\u3057\u305f\u5834\u5408\u3067\u3059\u3002CInt()\u30fbCLng()\u30fbCDbl()\u7b49\u306e\u578b\u5909\u63db\u95a2\u6570\u3067\u5909\u63db\u3059\u308b\u304b\u3001\u5909\u6570\u306e\u578b\u3092\u9069\u5207\u306b\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002IsNumeric()\u3084IsDate()\u3067\u5909\u63db\u524d\u306b\u578b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u306e\u3082\u3088\u3044\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. Claude Code\u3067VBA\u306e\u30b3\u30fc\u30c9\u3092\u81ea\u52d5\u751f\u6210\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u3067\u304d\u307e\u3059\u3002\u300cSheet1\u306eA\u5217\u306e\u30c7\u30fc\u30bf\u3092\u5168\u3066\u8aad\u307f\u8fbc\u3093\u3067\u5408\u8a08\u3092\u8a08\u7b97\u3057\u3066Sheet2\u306eA1\u306b\u51fa\u529b\u3059\u308bVBA\u30de\u30af\u30ed\u3092\u66f8\u3044\u3066\u3002Option Explicit\u4f7f\u7528\u3001\u5909\u6570\u306e\u578b\u306f\u9069\u5207\u306b\u9078\u3093\u3067\u300d\u306e\u3088\u3046\u306b\u65e5\u672c\u8a9e\u3067\u8981\u4ef6\u3092\u8aac\u660e\u3059\u308b\u3068\u30de\u30af\u30ed\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002\u65e2\u5b58\u306e\u30b3\u30fc\u30c9\u3092\u8cbc\u308a\u4ed8\u3051\u3066\u30c7\u30d0\u30c3\u30b0\u3092\u4f9d\u983c\u3057\u305f\u308a\u3001\u300c\u3053\u306e\u30de\u30af\u30ed\u3092\u914d\u5217\u3092\u4f7f\u3063\u3066\u9ad8\u901f\u5316\u3057\u3066\u300d\u3068\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3092\u4f9d\u983c\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\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\": \"VBA\u3067Dim\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Dim\u306fDimension\u306e\u7565\u3067\u3001VBA\u3067\u5909\u6570\u3092\u5ba3\u8a00\uff08\u30e1\u30e2\u30ea\u9818\u57df\u3092\u78ba\u4fdd\uff09\u3059\u308b\u305f\u3081\u306e\u30ad\u30fc\u30ef\u30fc\u30c9\u3067\u3059\u3002\u300cDim \u5909\u6570\u540d As \u30c7\u30fc\u30bf\u578b\u300d\u306e\u5f62\u3067\u66f8\u304d\u3001\u4f8b\u3048\u3070\u300cDim count As Long\u300d\u3067\u300ccount\u3068\u3044\u3046\u540d\u524d\u306eLong\u578b\uff08\u9577\u6574\u6570\uff09\u5909\u6570\u300d\u3092\u5ba3\u8a00\u3057\u307e\u3059\u3002Dim\u5ba3\u8a00\u3055\u308c\u305f\u5909\u6570\u306fSub\/Function\u306e\u4e2d\u3067\u4f7f\u3048\u308b\u300c\u5024\u3092\u5165\u308c\u308b\u7bb1\u300d\u306b\u306a\u308a\u307e\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"VBA\u306eInteger\u3068Long\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u4e21\u65b9\u3068\u3082\u6574\u6570\u3092\u683c\u7d0d\u3059\u308b\u30c7\u30fc\u30bf\u578b\u3067\u3059\u304c\u3001\u6271\u3048\u308b\u6570\u5024\u306e\u7bc4\u56f2\u304c\u7570\u306a\u308a\u307e\u3059\u3002Integer\u306f-32,768\u301c32,767\uff08\u7d043\u4e07\uff09\u3001Long\u306f-2,147,483,648\u301c2,147,483,647\uff08\u7d0420\u5104\uff09\u3067\u3059\u3002Excel\u306e\u6700\u5927\u884c\u6570\uff081,048,576\uff09\u306fInteger\u3067\u306f\u683c\u7d0d\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u884c\u756a\u53f7\u3092\u6271\u3046\u5834\u5408\u306fLong\u3092\u4f7f\u3044\u307e\u3059\u3002\u8ff7\u3063\u305f\u3089Long\u3092\u4f7f\u3046\u306e\u304c\u5b9f\u52d9\u306e\u7d4c\u9a13\u5247\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Option Explicit\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f\u306a\u305c\u5fc5\u8981\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Option Explicit\u306fVBA\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u5148\u982d\u306b\u66f8\u304f\u547d\u4ee4\u3067\u3001\u5909\u6570\u306e\u5ba3\u8a00\uff08Dim\uff09\u3092\u5fc5\u9808\u306b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30b9\u30da\u30eb\u30df\u30b9\u3067\u8aa4\u3063\u305f\u5909\u6570\u540d\u3092\u4f7f\u3063\u305f\u5834\u5408\uff08\u4f8b\uff1atotal\u3092taotal\u3068\u30bf\u30a4\u30dd\uff09\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u65e9\u671f\u306b\u30d0\u30b0\u3092\u767a\u898b\u3067\u304d\u307e\u3059\u3002VBE\uff08\u30a8\u30c7\u30a3\u30bf\uff09\u306e\u300c\u30c4\u30fc\u30eb > \u30aa\u30d7\u30b7\u30e7\u30f3 > \u5909\u6570\u306e\u5ba3\u8a00\u3092\u5f37\u5236\u3059\u308b\u300d\u306b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3068\u3001\u65b0\u898f\u30e2\u30b8\u30e5\u30fc\u30eb\u4f5c\u6210\u6642\u306b\u81ea\u52d5\u3067Option Explicit\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"VBA\u3067\u5909\u6570\u306e\u30b9\u30b3\u30fc\u30d7\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u5909\u6570\u306e\u30b9\u30b3\u30fc\u30d7\u3068\u306f\u300c\u5909\u6570\u304c\u53c2\u7167\u3067\u304d\u308b\u6709\u52b9\u7bc4\u56f2\u300d\u306e\u3053\u3068\u3067\u3059\u3002Sub\/Function\u5185\u3067Dim\u5ba3\u8a00\u3057\u305f\u5909\u6570\u306f\u300c\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u30b9\u30b3\u30fc\u30d7\u300d\u3067\u305d\u306eSub\u5185\u306e\u307f\u6709\u52b9\u3067\u3059\u3002\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u5148\u982d\u3067Private\u5ba3\u8a00\u3057\u305f\u5909\u6570\u306f\u300c\u30e2\u30b8\u30e5\u30fc\u30eb\u30b9\u30b3\u30fc\u30d7\u300d\u3067\u305d\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u5185\u306e\u5168Sub\/Function\u304b\u3089\u53c2\u7167\u3067\u304d\u307e\u3059\u3002Public\u3067\u5ba3\u8a00\u3057\u305f\u5909\u6570\u306f\u300c\u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30b3\u30fc\u30d7\u300d\u3067\u5168\u30e2\u30b8\u30e5\u30fc\u30eb\u304b\u3089\u53c2\u7167\u3067\u304d\u307e\u3059\u304c\u3001\u591a\u7528\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"VBA\u306e\u914d\u5217\u5909\u6570\uff08Dynamic Array\uff09\u306e\u4f7f\u3044\u65b9\u3092\u6559\u3048\u3066\u304f\u3060\u3055\u3044\u3002\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u52d5\u7684\u914d\u5217\u306f\u300cDim items() As String\u300d\u306e\u3088\u3046\u306b\u8981\u7d20\u6570\u306a\u3057\u3067\u5ba3\u8a00\u3057\u3001\u5b9f\u884c\u6642\u306b\u300cReDim items(1 To n)\u300d\u3067\u30b5\u30a4\u30ba\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u65e2\u5b58\u306e\u5185\u5bb9\u3092\u4fdd\u6301\u3057\u305f\u307e\u30b5\u30a4\u30ba\u3092\u5909\u66f4\u3059\u308b\u306b\u306f\u300cReDim Preserve items(1 To n+10)\u300d\u306e\u3088\u3046\u306bPreserve\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u3044\u307e\u3059\u3002\u56fa\u5b9a\u9577\u914d\u5217\uff08Dim scores(4) As Integer\u7b49\uff09\u306f\u30b5\u30a4\u30ba\u304c\u5ba3\u8a00\u6642\u306b\u6c7a\u307e\u3063\u3066\u3044\u307e\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"VBA\u3067\u300c\u578b\u304c\u4e00\u81f4\u3057\u307e\u305b\u3093\uff08\u30a8\u30e9\u30fc13\uff09\u300d\u304c\u51fa\u308b\u539f\u56e0\u3068\u89e3\u6c7a\u65b9\u6cd5\u306f\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u6587\u5b57\u5217\u3092\u6570\u5024\u578b\u5909\u6570\u306b\u4ee3\u5165\u3057\u3088\u3046\u3068\u3057\u305f\u6642\u306a\u3069\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u30bb\u30eb\u306b\u300cabc\u300d\u3068\u3044\u3046\u6587\u5b57\u304c\u5165\u3063\u3066\u3044\u308b\u306e\u306bInteger\u306b\u4ee3\u5165\u3057\u3088\u3046\u3068\u3057\u305f\u5834\u5408\u3067\u3059\u3002CInt()\u30fbCLng()\u30fbCDbl()\u7b49\u306e\u578b\u5909\u63db\u95a2\u6570\u3067\u5909\u63db\u3059\u308b\u304b\u3001\u5909\u6570\u306e\u578b\u3092\u9069\u5207\u306b\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002IsNumeric()\u3084IsDate()\u3067\u5909\u63db\u524d\u306b\u578b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u306e\u3082\u3088\u3044\u65b9\u6cd5\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Claude Code\u3067VBA\u306e\u30b3\u30fc\u30c9\u3092\u81ea\u52d5\u751f\u6210\u3067\u304d\u307e\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": 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