{"id":42239,"date":"2025-07-20T02:38:39","date_gmt":"2025-07-20T02:38:39","guid":{"rendered":"https:\/\/staging.pageloot.com\/uncategorized\/best-qr-code-sizes-for-business-cards\/"},"modified":"2026-04-22T13:14:09","modified_gmt":"2026-04-22T13:14:09","slug":"best-qr-code-sizes-for-business-cards","status":"publish","type":"post","link":"https:\/\/pageloot.com\/ja\/blog\/best-qr-code-sizes-for-business-cards\/","title":{"rendered":"\u540d\u523a\u306b\u304a\u3051\u308bQR\u30b3\u30fc\u30c9\u306e\u30b5\u30a4\u30ba\u306b\u95a2\u3059\u308b\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u540d\u523a\u306eQR\u30b3\u30fc\u30c9\u304c\u5c0f\u3055\u3059\u304e\u3066\u3001\u78ba\u5b9f\u306b\u30b9\u30ad\u30e3\u30f3\u3067\u304d\u307e\u305b\u3093\u304b\uff1f\u6a5f\u80fd\u3057\u306a\u3044\u30b3\u30fc\u30c9\u306f\u3001\u6f5c\u5728\u7684\u306a\u30ea\u30fc\u30c9\u3092\u82db\u7acb\u305f\u305b\u3001\u3042\u306a\u305f\u306e\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306a\u30d6\u30e9\u30f3\u30c7\u30a3\u30f3\u30b0\u3092\u4fe1\u983c\u3067\u304d\u306a\u3044\u3082\u306e\u306b\u898b\u305b\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30b3\u30fc\u30c9\u304c\u6bce\u56de\u5b8c\u74a7\u306b\u6a5f\u80fd\u3059\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u5bf8\u6cd5\u3068\u6280\u8853\u57fa\u6e96\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u63a8\u5968\u304a\u3088\u3073\u6700\u5c0fQR\u30b3\u30fc\u30c9\u30b5\u30a4\u30ba<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u540d\u523a\u3092\u30c7\u30b6\u30a4\u30f3\u3059\u308b\u969b\u3001\u5229\u7528\u3067\u304d\u308b\u30b9\u30da\u30fc\u30b9\u306f\u975e\u5e38\u306b\u9650\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u540d\u524d\u3084\u30ed\u30b4\u306e\u305f\u3081\u306b\u30b9\u30da\u30fc\u30b9\u3092\u7bc0\u7d04\u3057\u305f\u3044\u3068\u601d\u3046\u4e00\u65b9\u3067\u3001QR\u30b3\u30fc\u30c9\u3092\u904e\u5ea6\u306b\u7e2e\u5c0f\u3059\u308b\u3068\u30b9\u30ad\u30e3\u30f3\u5931\u6557\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u6a19\u6e96\u7684\u306a\u540d\u523a\u306e\u5834\u5408\u3001 <strong>\u63a8\u5968\u30b5\u30a4\u30ba\u306f0.8 x 0.8\u30a4\u30f3\u30c1\uff082 x 2 cm\uff09\u3067\u3059<\/strong>. \u3002\u3053\u306e\u30b5\u30a4\u30ba\u306f\u3001\u307b\u3068\u3093\u3069\u306e\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u30ab\u30e1\u30e9\u304c\u3001\u4f4e\u7167\u5ea6\u6761\u4ef6\u4e0b\u3084\u308f\u305a\u304b\u306a\u8ddd\u96e2\u304b\u3089\u3067\u3082\u7d20\u65e9\u304f\u7126\u70b9\u3092\u5408\u308f\u305b\u308b\u306e\u306b\u5341\u5206\u306a\u8868\u9762\u7a4d\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30b6\u30a4\u30f3\u304c\u7279\u306b\u6df7\u307f\u5408\u3063\u3066\u3044\u308b\u5834\u5408\u3001 <strong>\u7d76\u5bfe\u6700\u5c0f\u30b5\u30a4\u30ba\u306f0.6 x 0.6\u30a4\u30f3\u30c1\uff081.5 x 1.5 cm\uff09\u3067\u3059<\/strong>. \u3002\u305f\u3060\u3057\u3001\u3053\u306e\u6700\u5c0f\u30b5\u30a4\u30ba\u306b\u3059\u308b\u306b\u306f\u3001\u30b3\u30fc\u30c9\u304c\u6a5f\u80fd\u3057\u7d9a\u3051\u308b\u305f\u3081\u306b\u975e\u5e38\u306b\u4f4e\u3044\u30c7\u30fc\u30bf\u5bc6\u5ea6\u3068\u9ad8\u3044\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u3092\u6301\u3063\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30b9\u30ad\u30e3\u30ca\u30fc\u306f\u901a\u5e3810:1\u306e\u6bd4\u7387\u306b\u5f93\u3044\u3001\u3053\u308c\u306f10 cm\u306e\u8ddd\u96e2\u3054\u3068\u306b\u30b3\u30fc\u30c9\u304c1 cm\u5e45\u3067\u3042\u308b\u3079\u304d\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u540d\u523a\u306f\u901a\u5e384\u301c10\u30a4\u30f3\u30c1\u96e2\u3057\u3066\u6301\u305f\u308c\u308b\u305f\u3081\u30010.6\u30a4\u30f3\u30c1\u3088\u308a\u5c0f\u3055\u3044\u30b3\u30fc\u30c9\u306f\u3001\u53e4\u3044\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u306e\u7126\u70b9\u7bc4\u56f2\u304b\u3089\u5916\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/03\/simple-clean-infographic-square-or-vertical-layout-on-white-background-with-bla-6541-61c17d09894d.webp\" alt=\"QR\u30b3\u30fc\u30c9\u30b5\u30a4\u30ba\u30ac\u30a4\u30c9\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"wp-block-table__content\">\n<thead>\n<tr>\n<th>\u30b5\u30a4\u30ba\u30ab\u30c6\u30b4\u30ea<\/th>\n<th>\u5bf8\u6cd5\uff08\u30a4\u30f3\u30c1\uff09<\/th>\n<th>\u5bf8\u6cd5\uff08cm\uff09<\/th>\n<th>\u4fe1\u983c\u6027<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u63a8\u5968<\/td>\n<td>0.8 x 0.8\u30a4\u30f3\u30c1<\/td>\n<td>2.0 x 2.0 cm<\/td>\n<td>\u9ad8\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u6700\u5c0f<\/td>\n<td>0.6 x 0.6 \u30a4\u30f3\u30c1<\/td>\n<td>1.5 x 1.5 cm<\/td>\n<td>\u4e2d\u7a0b\u5ea6<\/td>\n<\/tr>\n<tr>\n<td>\u9ad8\u5bc6\u5ea6<\/td>\n<td>1.2 x 1.2 \u30a4\u30f3\u30c1\u4ee5\u4e0a<\/td>\n<td>3.0 x 3.0 cm\u4ee5\u4e0a<\/td>\n<td>\u9ad8\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u30c4\u30fc\u30eb\u304c\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u3067\u6a5f\u80fd\u7684\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u5b9f\u306b\u3059\u308b\u306b\u306f\u3001 <a href=\"https:\/\/pageloot.com\/ja\/business-card-qr-code-generator\/\">\u540d\u523aQR\u30b3\u30fc\u30c9\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u30fc<\/a> \u5370\u5237\u30d7\u30ed\u30bb\u30b9\u4e2d\u306b\u6574\u5408\u6027\u3092\u7dad\u6301\u3059\u308b\u9ad8\u89e3\u50cf\u5ea6\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u3002.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c7\u30fc\u30bf\u5bc6\u5ea6\u304c\u30b9\u30ad\u30e3\u30f3\u30b5\u30a4\u30ba\u306b\u5f71\u97ff\u3059\u308b\u7406\u7531<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">QR\u30b3\u30fc\u30c9\u306e\u7269\u7406\u7684\u306a\u30b5\u30a4\u30ba\u306f\u3001\u4fdd\u6301\u3059\u308b\u60c5\u5831\u91cf\u306b\u76f4\u63a5\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u3002\u30b7\u30f3\u30d7\u30eb\u306aURL\u306f\u3001\u5927\u304d\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\uff08\u30b0\u30ea\u30c3\u30c9\u3092\u69cb\u6210\u3059\u308b\u5c0f\u3055\u306a\u56db\u89d2\uff09\u3092\u6301\u3064\u30af\u30ea\u30fc\u30f3\u306a\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3057\u307e\u3059\u304c\u3001\u5b8c\u5168\u306a <a href=\"https:\/\/pageloot.com\/ja\/vcard-qr-code-generator\/\">v\u30ab\u30fc\u30c9QR\u30b3\u30fc\u30c9<\/a> \u540d\u524d\u3001\u96fb\u8a71\u756a\u53f7\u3001\u4f4f\u6240\u3092\u542b\u3080\u3082\u306e\u306f\u3001\u591a\u304f\u306e\u5c0f\u3055\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u6301\u3064\u9ad8\u5bc6\u5ea6\u306e\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u305d\u306e <a href=\"https:\/\/pageloot.com\/ja\/how-to\/understand-qr-code-data-limits\/\">QR\u30b3\u30fc\u30c9\u306e\u30c7\u30fc\u30bf\u5236\u9650<\/a> \u304c\u5897\u52a0\u3059\u308b\u3068\u3001\u3053\u308c\u3089\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u7e2e\u5c0f\u3057\u307e\u3059\u3002\u5c0f\u3055\u304f\u306a\u308a\u3059\u304e\u308b\u3068\u3001\u30ab\u30e1\u30e9\u304c\u305d\u308c\u3089\u3092\u533a\u5225\u3067\u304d\u306a\u304f\u306a\u308a\u3001\u30b9\u30ad\u30e3\u30f3\u304c\u5931\u6557\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b3\u30fc\u30c9\u3092\u30b3\u30f3\u30d1\u30af\u30c8\u304b\u3064\u30b9\u30ad\u30e3\u30f3\u53ef\u80fd\u306b\u4fdd\u3064\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u6226\u7565\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>  \u3092\u4f7f\u3044\u307e\u3059\u3002 <a href=\"https:\/\/pageloot.com\/ja\/digital-business-card-qr-code\/\">\u30c7\u30b8\u30bf\u30eb\u540d\u523aQR\u30b3\u30fc\u30c9<\/a> \u30e2\u30b8\u30e5\u30fc\u30eb\u6570\u3092\u4f4e\u304f\u4fdd\u3064\u305f\u3081\u306b\u77ed\u3044\u52d5\u7684\u30ea\u30f3\u30af\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002.<\/li>\n<li>  \u30a8\u30f3\u30b3\u30fc\u30c9\u3059\u308b\u30c6\u30ad\u30b9\u30c8\u306f\u3001\u6700\u3082\u91cd\u8981\u306a\u60c5\u5831\u306e\u307f\u306b\u9650\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<li>  \u5927\u91cf\u306e\u751f\u30c7\u30fc\u30bf\u3092\u30b3\u30fc\u30c9\u306b\u76f4\u63a5\u57cb\u3081\u8fbc\u3080\u3053\u3068\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<li>  \u30ec\u30d3\u30e5\u30fc <a href=\"https:\/\/pageloot.com\/ja\/how-to\/business-card-design-qr-code\/\">QR\u30b3\u30fc\u30c9\u4ed8\u304d\u540d\u523a\u306e\u30c7\u30b6\u30a4\u30f3\u65b9\u6cd5<\/a> \u7f8e\u5b66\u3068\u6280\u8853\u7684\u8981\u4ef6\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u305f\u3081\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b9\u30ad\u30e3\u30f3\u53ef\u80fd\u6027\u306e\u305f\u3081\u306e\u5fc5\u9808\u6280\u8853\u6a19\u6e96<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b5\u30a4\u30ba\u306f\u65b9\u7a0b\u5f0f\u306e\u4e00\u90e8\u306b\u904e\u304e\u307e\u305b\u3093\u3002\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u304c\u30c7\u30fc\u30bf\u3092\u6b63\u5e38\u306b\u89e3\u91c8\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u6280\u8853\u7684\u8981\u56e0\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30af\u30ef\u30a4\u30a8\u30c3\u30c8\u30be\u30fc\u30f3\u3068\u4f59\u767d\u306e\u8981\u4ef6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u30af\u30ef\u30a4\u30a8\u30c3\u30c8\u30be\u30fc\u30f3\u300d\u3068\u306f\u3001QR\u30b3\u30fc\u30c9\u3092\u56f2\u3080\u7a7a\u767d\u306e\u5883\u754c\u7dda\u3067\u3001\u4ed6\u306e\u30c7\u30b6\u30a4\u30f3\u8981\u7d20\u304b\u3089QR\u30b3\u30fc\u30c9\u3092\u5206\u96e2\u3059\u308b\u3082\u306e\u3067\u3059\u3002ISO\/IEC 18004\u898f\u683c\u3067\u306f\u3001\u3053\u306e\u5883\u754c\u7dda\u306f\u5c11\u306a\u304f\u3068\u3082 <strong>4\u30e2\u30b8\u30e5\u30fc\u30eb\u5e45<\/strong> \u5168\u3066\u306e\u8fba\u306b\u5fc5\u8981\u3067\u3059\u3002\u3053\u306e\u30b9\u30da\u30fc\u30b9\u306f\u4fdd\u8b77\u30d0\u30c3\u30d5\u30a1\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30b9\u30ad\u30e3\u30ca\u30fc\u306b\u30b3\u30fc\u30c9\u304c\u3069\u3053\u304b\u3089\u59cb\u307e\u308b\u304b\u3092\u6b63\u78ba\u306b\u4f1d\u3048\u307e\u3059\u3002\u3053\u306e\u9818\u57df\u3092\u30c6\u30ad\u30b9\u30c8\u3084\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u57cb\u3081\u5c3d\u304f\u3059\u3053\u3068\u306f\u3001 <a href=\"https:\/\/pageloot.com\/ja\/blog\/qr-code-not-working-causes-solutions\/\">QR\u30b3\u30fc\u30c9\u304c\u5931\u6557\u3059\u308b\u6700\u3082\u4e00\u822c\u7684\u306a\u7406\u7531<\/a> \u5370\u5237\u306b\u304a\u3044\u3066\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9ad8\u3044\u8272\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u3068\u8996\u8a8d\u6027<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b9\u30ad\u30e3\u30ca\u30fc\u306f\u3001\u6697\u3044\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u660e\u308b\u3044\u80cc\u666f\u306e\u9593\u306e\u5149\u306e\u53cd\u5c04\u7387\u306e\u9055\u3044\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u3042\u306a\u305f\u306f <a href=\"https:\/\/pageloot.com\/ja\/blog\/qr-code-color-contrast-best-practices\/\">\u5c11\u306a\u304f\u3068\u30824:1\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4<\/a> \u3092\u76ee\u6307\u3059\u3079\u304d\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u7167\u660e\u74b0\u5883\u3067\u306e\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u304c\u78ba\u4fdd\u3055\u308c\u307e\u3059\u3002\u767d\u5730\u306b\u9ed2\u306f\u6700\u3082\u4fe1\u983c\u6027\u306e\u9ad8\u304421:1\u306e\u6bd4\u7387\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u524d\u666f\u304c\u80cc\u666f\u3088\u308a\u3082\u5341\u5206\u306b\u6697\u3044\u9650\u308a\u3001\u30d6\u30e9\u30f3\u30c9\u30ab\u30e9\u30fc\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u591a\u304f\u306e\u53e4\u3044\u30b9\u30ad\u30e3\u30f3\u30a2\u30d7\u30ea\u306f\u8a8d\u8b58\u306b\u82e6\u52b4\u3059\u308b\u305f\u3081\u3001\u53cd\u8ee2\u30c7\u30b6\u30a4\u30f3\uff08\u6697\u3044\u80cc\u666f\u306b\u660e\u308b\u3044\u30b3\u30fc\u30c9\uff09\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5370\u5237\u54c1\u8cea\u3068\u89e3\u50cf\u5ea6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u540d\u523a\u306f\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u9bae\u660e\u306b\u4fdd\u3064\u305f\u3081\u306b\u9ad8\u7cbe\u5ea6\u306a\u5370\u5237\u304c\u5fc5\u8981\u3067\u3059\u3002\u30c7\u30b6\u30a4\u30f3\u306f\u6700\u4f4e\u3067\u3082 <strong>300\u304b\u3089600 DPI<\/strong>. \u4f4e\u89e3\u50cf\u5ea6\u306e\u753b\u50cf\uff0872 DPI\u306eJPEG\u306a\u3069\uff09\u306f\u3001\u5370\u5237\u3059\u308b\u3068\u30d4\u30af\u30bb\u30eb\u5316\u3057\u3066\u8868\u793a\u3055\u308c\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30a8\u30c3\u30b8\u304c\u307c\u3084\u3051\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u6700\u826f\u306e\u7d50\u679c\u3092\u5f97\u308b\u306b\u306f\u3001\u5e38\u306bSVG\u3084EPS\u306e\u3088\u3046\u306a\u30d9\u30af\u30bf\u30fc\u5f62\u5f0f\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3089\u306e\u5f62\u5f0f\u3067\u306f\u3001\u9bae\u660e\u3055\u3092\u640d\u306a\u3046\u3053\u3068\u306a\u304f\u30b3\u30fc\u30c9\u3092\u62e1\u5927\u7e2e\u5c0f\u3067\u304d\u308b\u305f\u3081\u3001 <a href=\"https:\/\/pageloot.com\/ja\/blog\/best-practices-for-qr-code-readability\/\">\u6700\u9069\u306a\u53ef\u8aad\u6027<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8aa4\u308a\u8a02\u6b63\u3068\u30ab\u30b9\u30bf\u30e0\u30c7\u30b6\u30a4\u30f3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8aa4\u308a\u8a02\u6b63\u306b\u3088\u308a\u3001QR\u30b3\u30fc\u30c9\u306f\u308f\u305a\u304b\u306b\u640d\u50b7\u3057\u305f\u308a\u3001\u30ed\u30b4\u306b\u3088\u3063\u3066\u90e8\u5206\u7684\u306b\u96a0\u3055\u308c\u305f\u308a\u3057\u3066\u3082\u6a5f\u80fd\u3057\u7d9a\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u5197\u9577\u6027\u306f\u3001\u5931\u308f\u308c\u305f\u30c7\u30fc\u30bf\u3092\u56de\u5fa9\u3067\u304d\u308b\u30ea\u30fc\u30c9\u30fb\u30bd\u30ed\u30e2\u30f3\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u3088\u3063\u3066\u5b9f\u73fe\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>  \u30ec\u30d9\u30ebL\uff087%\u56de\u5fa9\uff09\uff1a\u30c7\u30b6\u30a4\u30f3\u5909\u66f4\u306e\u306a\u3044\u30b7\u30f3\u30d7\u30eb\u3067\u5c0f\u3055\u306a\u30b3\u30fc\u30c9\u306b\u6700\u9069\u3067\u3059\u3002.<\/li>\n<li>  \u30ec\u30d9\u30ebM\uff0815%\u56de\u5fa9\uff09\uff1a\u307b\u3068\u3093\u3069\u306e\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306a\u540d\u523a\u306b\u304a\u3051\u308b\u6a19\u6e96\u7684\u306a\u30d0\u30e9\u30f3\u30b9\u3067\u3059\u3002.<\/li>\n<li>  \u30ec\u30d9\u30ebQ\uff0825%\u56de\u5fa9\uff09\uff1a\u983b\u7e41\u306a\u53d6\u308a\u6271\u3044\u3084\u6469\u8017\u306b\u3055\u3089\u3055\u308c\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u30ab\u30fc\u30c9\u306b\u6700\u9069\u3067\u3059\u3002.<\/li>\n<li>  \u30ec\u30d9\u30ebH\uff0830%\u56de\u5fa9\uff09\uff1a <a href=\"https:\/\/pageloot.com\/ja\/blog\/best-practices-for-qr-code-readability\/\">QR\u30b3\u30fc\u30c9\u306b\u30ed\u30b4\u3092\u8ffd\u52a0\u3059\u308b\u5834\u5408\u306b\u5fc5\u8981\u3067\u3059\u3002<\/a>.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7559\u610f\u3057\u3066\u304f\u3060\u3055\u3044 <a href=\"https:\/\/pageloot.com\/ja\/blog\/how-error-correction-works-in-editable-qr-codes\/\">\u8aa4\u308a\u8a02\u6b63\u30ec\u30d9\u30eb\u304c\u9ad8\u3044\u307b\u3069<\/a> \u30b3\u30fc\u30c9\u306e\u5bc6\u5ea6\u304c\u5897\u52a0\u3057\u307e\u3059\u3002\u30d6\u30e9\u30f3\u30c9\u5316\u3055\u308c\u305f\u5916\u89b3\u306e\u305f\u3081\u306b\u30ec\u30d9\u30ebH\u3092\u9078\u629e\u3059\u308b\u5834\u5408\u3001\u30b9\u30ad\u30e3\u30f3\u53ef\u80fd\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u3001QR\u30b3\u30fc\u30c9\u306e\u7269\u7406\u7684\u306a\u30b5\u30a4\u30ba\u3092\u6700\u5c0f\u306e0.6\u30a4\u30f3\u30c1\u3088\u308a\u3082\u5927\u304d\u304f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3067\u3057\u3087\u3046\u3002\u3053\u308c\u3089\u306e\u8981\u7d20\u304c\u3069\u306e\u3088\u3046\u306b\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u304b\u3092\u5305\u62ec\u7684\u306b\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u5f53\u793e\u306e <a href=\"https:\/\/pageloot.com\/ja\/how-to\/qr-code-size-guide\/\">QR\u30b3\u30fc\u30c9\u30b5\u30a4\u30ba\u30ac\u30a4\u30c9<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u9069\u5207\u306a\u7d20\u6750\u3068\u4ed5\u4e0a\u3052\u306e\u9078\u629e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30fc\u30c9\u306e\u7269\u7406\u7684\u306a\u7d20\u6750\u306f\u3001\u5149\u304c\u30ab\u30e1\u30e9\u30ec\u30f3\u30ba\u3068\u3069\u306e\u3088\u3046\u306b\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u304b\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002\u30de\u30c3\u30c8\u4ed5\u4e0a\u3052\u306f\u3001\u5149\u3092\u62e1\u6563\u3057\u3001\u307e\u3076\u3057\u3055\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u3001\u30b9\u30ad\u30e3\u30f3\u306b\u306f\u4e00\u822c\u7684\u306b\u597d\u307e\u308c\u307e\u3059\u3002\u5bfe\u7167\u7684\u306b\u3001\u5149\u6ca2\u306e\u3042\u308b\u307e\u305f\u306f\u30e1\u30bf\u30ea\u30c3\u30af\u306a\u4ed5\u4e0a\u3052\u306f\u3001\u5149\u3092\u30ab\u30e1\u30e9\u306b\u76f4\u63a5\u53cd\u5c04\u3055\u305b\u3001\u300c\u76f2\u70b9\u300d\u3092\u4f5c\u308a\u51fa\u3057\u3001\u30b9\u30ad\u30e3\u30ca\u30fc\u304c\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8aad\u307f\u53d6\u308c\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/03\/minimal-modern-illustration-square-format-white-background-with-blue-and-light-851-a9794c0805f9.webp\" alt=\"\u30de\u30c3\u30c8\u30ab\u30fc\u30c9\u3068\u5149\u6ca2\u30ab\u30fc\u30c9\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5149\u6ca2\u306e\u3042\u308b\u7d20\u6750\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001QR\u30b3\u30fc\u30c9\u3092\u66f2\u304c\u3063\u305f\u308a\u76f4\u63a5\u53cd\u5c04\u3057\u305f\u308a\u3057\u306b\u304f\u3044\u5834\u6240\u306b\u914d\u7f6e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3055\u307e\u3056\u307e\u306a\u8868\u9762\u306e\u53d6\u308a\u6271\u3044\u306b\u95a2\u3059\u308b\u3088\u308a\u5177\u4f53\u7684\u306a\u30a2\u30c9\u30d0\u30a4\u30b9\u306f\u3001\u5f53\u793e\u306e\u30ac\u30a4\u30c9\u3067\u3054\u89a7\u3044\u305f\u3060\u3051\u307e\u3059\u3002 <a href=\"https:\/\/pageloot.com\/ja\/blog\/qr-code-sizing-for-different-print-materials\/\">\u7570\u306a\u308b\u5370\u5237\u7d20\u6750\u306b\u304a\u3051\u308bQR\u30b3\u30fc\u30c9\u306e\u30b5\u30a4\u30ba\u8a2d\u5b9a<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-b4a620c3e02d\"><strong class=\"schema-faq-question\">\u540d\u523a\u7528QR\u30b3\u30fc\u30c9\u306e\u7d76\u5bfe\u7684\u306a\u6700\u5c0f\u30b5\u30a4\u30ba\u306f\u3069\u308c\u304f\u3089\u3044\u3067\u3059\u304b\uff1f<\/strong> <p class=\"schema-faq-answer\">\u7d76\u5bfe\u7684\u306a\u6700\u5c0f\u30b5\u30a4\u30ba\u306f0.6 x 0.6\u30a4\u30f3\u30c1\uff081.5 x 1.5 cm\uff09\u3067\u3059\u3002\u3053\u306e\u30b5\u30a4\u30ba\u306f\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eURL\u306a\u3069\u3001\u30c7\u30fc\u30bf\u91cf\u304c\u975e\u5e38\u306b\u5c11\u306a\u304f\u3001\u9ad8\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u306e\u30c7\u30b6\u30a4\u30f3\u306b\u306e\u307f\u63a8\u5968\u3055\u308c\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3067\u306f\u30010.8\u30a4\u30f3\u30c1\uff082 cm\uff09\u4ee5\u4e0a\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u3067\u3001\u9023\u7d61\u5148\u304c\u30b9\u30ad\u30e3\u30f3\u306b\u6210\u529f\u3059\u308b\u78ba\u7387\u304c\u5927\u5e45\u306b\u9ad8\u307e\u308a\u307e\u3059\u3002.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-c1aa11d1a11b\"><strong class=\"schema-faq-question\">\u5c0f\u3055\u306aQR\u30b3\u30fc\u30c9\u306e\u771f\u3093\u4e2d\u306b\u4f1a\u793e\u306e\u30ed\u30b4\u3092\u5165\u308c\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong> <p class=\"schema-faq-answer\">\u53ef\u80fd\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u8986\u308f\u308c\u305f\u30c7\u30fc\u30bf\u9818\u57df\u3092\u88dc\u511f\u3059\u308b\u305f\u3081\u306b\u3001\u30ec\u30d9\u30ebH\u306e\u8aa4\u308a\u8a02\u6b63\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30ec\u30d9\u30ebH\u306f\u30b0\u30ea\u30c3\u30c9\u3092\u306f\u308b\u304b\u306b\u9ad8\u5bc6\u5ea6\u306b\u3059\u308b\u305f\u3081\u3001\u30ab\u30e1\u30e9\u304c\u500b\u3005\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u7126\u70b9\u3092\u5408\u308f\u305b\u308b\u306e\u306b\u5341\u5206\u306a\u5927\u304d\u3055\u3092\u4fdd\u3064\u305f\u3081\u306b\u3001QR\u30b3\u30fc\u30c9\u5168\u4f53\u306e\u30b5\u30a4\u30ba\u3092\u5c11\u306a\u304f\u3068\u30821 x 1\u30a4\u30f3\u30c1\u306b\u5897\u3084\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-83986a06265b\"><strong class=\"schema-faq-question\">\u30b5\u30a4\u30ba\u304c\u6b63\u3057\u3044\u306e\u306b\u3001QR\u30b3\u30fc\u30c9\u304c\u30b9\u30ad\u30e3\u30f3\u3067\u304d\u306a\u3044\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f<\/strong> <p class=\"schema-faq-answer\">If the size is correct, the issue is likely a lack of a &#8220;quiet zone&#8221; border, low color contrast, or poor print resolution. Ensure there is a clear margin of at least four modules around the code and that you used a high-resolution vector file rather than a screenshot or low-quality PNG. Successful networking depends on how easily people can connect with you in a digital-first world. By following these sizing guidelines and technical standards, you ensure that your business card serves as a flawless gateway to your professional presence. 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This size is only recommended for high-contrast designs with very little data, such as a simple website URL. For most use cases, staying at or above 0.8 inches (2 cm) ensures a much higher success rate for your contacts.","inLanguage":"ja"},"inLanguage":"ja"},{"@type":"Question","@id":"https:\/\/pageloot.com\/blog\/best-qr-code-sizes-for-business-cards\/#faq-question-c1aa11d1a11b","position":2,"url":"https:\/\/pageloot.com\/blog\/best-qr-code-sizes-for-business-cards\/#faq-question-c1aa11d1a11b","name":"\u5c0f\u3055\u306aQR\u30b3\u30fc\u30c9\u306e\u771f\u3093\u4e2d\u306b\u4f1a\u793e\u306e\u30ed\u30b4\u3092\u5165\u308c\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304b\uff1f","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"You can, but it requires using Level H error correction to compensate for the covered data area. Because Level H makes the grid much denser, you should increase the overall size of the QR code to at least 1 x 1 inch to keep the individual modules large enough for a camera to focus on them.","inLanguage":"ja"},"inLanguage":"ja"},{"@type":"Question","@id":"https:\/\/pageloot.com\/blog\/best-qr-code-sizes-for-business-cards\/#faq-question-83986a06265b","position":3,"url":"https:\/\/pageloot.com\/blog\/best-qr-code-sizes-for-business-cards\/#faq-question-83986a06265b","name":"\u30b5\u30a4\u30ba\u304c\u6b63\u3057\u3044\u306e\u306b\u3001QR\u30b3\u30fc\u30c9\u304c\u30b9\u30ad\u30e3\u30f3\u3067\u304d\u306a\u3044\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"If the size is correct, the issue is likely a lack of a u005cu0022quiet zoneu005cu0022 border, low color contrast, or poor print resolution. Ensure there is a clear margin of at least four modules around the code and that you used a high-resolution vector file rather than a screenshot or low-quality PNG. Successful networking depends on how easily people can connect with you in a digital-first world. By following these sizing guidelines and technical standards, you ensure that your business card serves as a flawless gateway to your professional presence. To create a durable, high-resolution code for your next print run, explore our professional business card QR code generator today.","inLanguage":"ja"},"inLanguage":"ja"}]}},"_links":{"self":[{"href":"https:\/\/pageloot.com\/ja\/wp-json\/wp\/v2\/posts\/42239","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pageloot.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pageloot.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pageloot.com\/ja\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/pageloot.com\/ja\/wp-json\/wp\/v2\/comments?post=42239"}],"version-history":[{"count":9,"href":"https:\/\/pageloot.com\/ja\/wp-json\/wp\/v2\/posts\/42239\/revisions"}],"predecessor-version":[{"id":52779,"href":"https:\/\/pageloot.com\/ja\/wp-json\/wp\/v2\/posts\/42239\/revisions\/52779"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pageloot.com\/ja\/wp-json\/wp\/v2\/media\/50427"}],"wp:attachment":[{"href":"https:\/\/pageloot.com\/ja\/wp-json\/wp\/v2\/media?parent=42239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pageloot.com\/ja\/wp-json\/wp\/v2\/categories?post=42239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pageloot.com\/ja\/wp-json\/wp\/v2\/tags?post=42239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}