{"id":43969,"date":"2025-08-04T05:01:18","date_gmt":"2025-08-04T05:01:18","guid":{"rendered":"https:\/\/staging.pageloot.com\/uncategorized\/how-to-improve-qr-code-readability\/"},"modified":"2026-04-22T13:14:08","modified_gmt":"2026-04-22T13:14:08","slug":"how-to-improve-qr-code-readability","status":"publish","type":"post","link":"https:\/\/pageloot.com\/ja\/blog\/how-to-improve-qr-code-readability\/","title":{"rendered":"QR\u30b3\u30fc\u30c9\u3092\u30b9\u30ad\u30e3\u30f3\u3057\u3084\u3059\u304f\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u9867\u5ba2\u306f\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u8cc7\u6599\u306eQR\u30b3\u30fc\u30c9\u3092\u30b9\u30ad\u30e3\u30f3\u3059\u308b\u306e\u306b\u82e6\u52b4\u3057\u3066\u3044\u307e\u305b\u3093\u304b\uff1f\u6a5f\u80fd\u3057\u306a\u3044\u30b3\u30fc\u30c9\u306f\u3001\u30a8\u30f3\u30b2\u30fc\u30b8\u30e1\u30f3\u30c8\u306e\u55aa\u5931\u3068\u30d6\u30e9\u30f3\u30c9\u3078\u306e\u4e0d\u6e80\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001QR\u30b3\u30fc\u30c9\u304c\u30b9\u30ad\u30e3\u30f3\u3055\u308c\u308b\u305f\u3073\u306b\u5b8c\u74a7\u306b\u6a5f\u80fd\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u6280\u8853\u7684\u304a\u3088\u3073\u30c7\u30b6\u30a4\u30f3\u306e\u57fa\u6e96\u3092\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u306a\u305c\u8272\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u304c\u30b9\u30ad\u30e3\u30f3\u53ef\u80fd\u6027\u306e\u57fa\u76e4\u306a\u306e\u304b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">QR\u30b3\u30fc\u30c9\u304c\u5931\u6557\u3059\u308b\u6700\u3082\u4e00\u822c\u7684\u306a\u7406\u7531\u306f\u3001\u8272\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u304c\u4f4e\u3044\u3053\u3068\u3067\u3059\u3002\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\u306e\u9055\u3044\u3092\u691c\u51fa\u3059\u308b\u3053\u3068\u3067\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30b9\u30dd\u30f3\u30b8\u3001\u80cc\u666f\u3092\u93e1\u3068\u8003\u3048\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u6697\u3044\u8272\u306f\u5149\u3092\u5438\u53ce\u3057\u3001\u660e\u308b\u3044\u8272\u306f\u5149\u3092\u53cd\u5c04\u3057\u307e\u3059\u3002\u8272\u304c\u4f3c\u3059\u304e\u3066\u3044\u308b\u3068\u3001\u30b9\u30ad\u30e3\u30ca\u30fc\u306f\u30c7\u30fc\u30bf\u30d1\u30bf\u30fc\u30f3\u3092\u533a\u5225\u3067\u304d\u305a\u3001\u30b9\u30ad\u30e3\u30f3\u304c\u5931\u6557\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u3001\u5e38\u306b\u524d\u666f\u306b\u306f\u6697\u3044\u8272\u3092\u3001\u80cc\u666f\u306b\u306f\u660e\u308b\u3044\u8272\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u767d\u5730\u306b\u9ed2\u304c\u6700\u9ad8\u306e\u8996\u8a8d\u6027\u306e\u305f\u3081\u306e\u696d\u754c\u6a19\u6e96\u3067\u3059\u304c\u3001\u5c11\u306a\u304f\u3068\u30824:1\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3092\u7dad\u6301\u3067\u304d\u308b\u9650\u308a\u3001\u30d6\u30e9\u30f3\u30c9\u30ab\u30e9\u30fc\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u5c0f\u58f2\u74b0\u5883\u3067\u4f7f\u7528\u3055\u308c\u308b\u591a\u304f\u306e\u8d64\u5916\u7dda\u30b9\u30ad\u30e3\u30ca\u30fc\u306f\u3001\u660e\u308b\u3044\u8868\u9762\u306b\u5bfe\u3057\u3066\u3053\u308c\u3089\u306e\u8272\u3092\u300c\u8a8d\u8b58\u300d\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u8d64\u3084\u30aa\u30ec\u30f3\u30b8\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u4e00\u822c\u7684\u306b\u907f\u3051\u308b\u3079\u304d\u3067\u3059\u3002\u52b9\u679c\u7684\u306a\u8272\u306e\u9078\u629e\u306b\u3064\u3044\u3066\u3055\u3089\u306b\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u5834\u5408\u306f\u3001\u5f53\u793e\u306e\u30ac\u30a4\u30c9\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/pageloot.com\/ja\/blog\/qr-code-color-contrast-best-practices\/\">QR\u30b3\u30fc\u30c9\u306e\u8272\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u306b\u95a2\u3059\u308b\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53cd\u8ee2\u30c7\u30b6\u30a4\u30f3\uff08\u6697\u3044\u80cc\u666f\u306b\u660e\u308b\u3044\u30e2\u30b8\u30e5\u30fc\u30eb\uff09\u306f\u898b\u305f\u76ee\u306b\u306f\u4eba\u6c17\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u4fe1\u983c\u6027\u304c\u4f4e\u3044\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u7814\u7a76\u306b\u3088\u308b\u3068\u3001\u53cd\u8ee2\u30b3\u30fc\u30c9\u306f\u8a8d\u8b58\u306b\u6700\u592740%\u6642\u9593\u304c\u304b\u304b\u308a\u3001\u4e00\u90e8\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u30ab\u30e1\u30e9\u30a2\u30d7\u30ea\u3067\u306f\u307e\u3063\u305f\u304f\u8aad\u307f\u53d6\u308c\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30ab\u30b9\u30bf\u30e0\u306e\u914d\u8272\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u767d\u307e\u305f\u306f\u30d9\u30fc\u30b8\u30e5\u306e\u80cc\u666f\u306b\u3001\u30cd\u30a4\u30d3\u30fc\u3001\u30c1\u30e3\u30b3\u30fc\u30eb\u3001\u30d0\u30fc\u30ac\u30f3\u30c7\u30a3\u306a\u3069\u306e\u6697\u3044\u8272\u5408\u3044\u3092\u512a\u5148\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b5\u30a4\u30ba\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306810:1\u306e\u8ddd\u96e2\u8a08\u7b97\u5f0f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u74b0\u5883\u306b\u5bfe\u3057\u3066\u5c0f\u3055\u3059\u304e\u308bQR\u30b3\u30fc\u30c9\u306f\u3001\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306e\u30ab\u30e1\u30e9\u304c\u500b\u3005\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u89e3\u50cf\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u5931\u6557\u3057\u307e\u3059\u3002\u5c02\u9580\u5bb6\u306e\u30bf\u30ca\u30fc\u30fb\u30b3\u30fc\u30e9\u30fc\u6c0f\u304c\u6307\u6458\u3059\u308b\u3088\u3046\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u9060\u304f\u306b\u3044\u308b\u3068\u4e88\u60f3\u3055\u308c\u308b\u307b\u3069\u3001\u30b3\u30fc\u30c9\u3092\u5927\u304d\u304f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6b63\u3057\u3044\u5bf8\u6cd5\u3092\u6c7a\u5b9a\u3059\u308b\u306b\u306f\u300110:1\u306e\u30b9\u30ad\u30e3\u30f3\u8ddd\u96e2\u8a08\u7b97\u5f0f\u306b\u5f93\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30b9\u30ad\u30e3\u30ca\u30fc\u3068\u30b3\u30fc\u30c9\u306e\u9593\u306e\u8ddd\u96e2\u304c10\u5358\u4f4d\u3054\u3068\u306b\u3001QR\u30b3\u30fc\u30c9\u306f\u5c11\u306a\u304f\u3068\u30821\u5358\u4f4d\u306e\u5e45\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u300110\u30d5\u30a3\u30fc\u30c8\u96e2\u308c\u305f\u5834\u6240\u304b\u3089\u30b9\u30ad\u30e3\u30f3\u3055\u308c\u308b\u3053\u3068\u3092\u610f\u56f3\u3057\u305f\u30dd\u30b9\u30bf\u30fc\u4e0a\u306e\u30b3\u30fc\u30c9\u306f\u3001\u5c11\u306a\u304f\u3068\u30821\u30d5\u30a3\u30fc\u30c8\u306e\u5e45\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u624b\u6301\u3061\u306e\u8cc7\u6599\u306b\u898b\u3089\u308c\u308b\u3088\u3046\u306a\u3088\u308a\u8fd1\u3044\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306e\u5834\u5408\u3001\u30d4\u30af\u30bb\u30eb\u5316\u3084\u30b9\u30ad\u30e3\u30f3\u30a8\u30e9\u30fc\u3092\u9632\u3050\u305f\u3081\u306e\u78ba\u7acb\u3055\u308c\u305f\u6700\u5c0f\u5024\u304c\u3042\u308a\u307e\u3059\u3002\u8fd1\u8ddd\u96e2\u3067\u3042\u3063\u3066\u3082\u30010.4 x 0.4\u30a4\u30f3\u30c1\u3088\u308a\u3082\u5c0f\u3055\u3044\u30b3\u30fc\u30c9\u3092\u5370\u5237\u3057\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u3059\u3079\u3066\u306e\u30c7\u30d0\u30a4\u30b9\u30bf\u30a4\u30d7\u3067\u4e00\u8cab\u3057\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5f97\u308b\u306b\u306f\u30010.8 x 0.8\u30a4\u30f3\u30c1\u304c\u63a8\u5968\u3055\u308c\u308b\u6700\u5c0f\u5024\u3067\u3059\u3002\u4e00\u822c\u7684\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u4e00\u822c\u7684\u306a\u57fa\u6e96\u3092\u8003\u616e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u540d\u523a: 0.8 x 0.8\u30a4\u30f3\u30c1 (2 x 2 cm)<\/li>\n<li>\u88fd\u54c1\u30d1\u30c3\u30b1\u30fc\u30b8: 1.0 x 1.0\u30a4\u30f3\u30c1 (2.5 x 2.5 cm)<\/li>\n<li>\u30c1\u30e9\u30b7\u3068\u30d1\u30f3\u30d5\u30ec\u30c3\u30c8: 1.2 x 1.2\u30a4\u30f3\u30c1 (3 x 3 cm)<\/li>\n<li>\u5c4b\u5185\u30dd\u30b9\u30bf\u30fc: 2.0 x 2.0\u30a4\u30f3\u30c1 (5 x 5 cm)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e03\u5730\u3084\u6bb5\u30dc\u30fc\u30eb\u306e\u3088\u3046\u306a\u7279\u6b8a\u306a\u8868\u9762\u306b\u9069\u3057\u305f\u5bf8\u6cd5\u3092\u898b\u3064\u3051\u308b\u306b\u306f\u3001\u5f53\u793e\u306e\u8a18\u4e8b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\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\u308a\u901f\u3044\u30b9\u30ad\u30e3\u30f3\u306e\u305f\u3081\u306e\u30af\u30ef\u30a4\u30a8\u30c3\u30c8\u30be\u30fc\u30f3\u306e\u4fdd\u8b77<\/h2>\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\u4ed6\u306e\u30c7\u30b6\u30a4\u30f3\u8981\u7d20\u304b\u3089\u5206\u96e2\u3059\u308b\u3001QR\u30b3\u30fc\u30c9\u3092\u56f2\u3080\u7a7a\u767d\u306e\u5883\u754c\u7dda\u306e\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u30b9\u30da\u30fc\u30b9\u306f\u3001\u30b3\u30fc\u30c9\u304c\u3069\u3053\u3067\u59cb\u307e\u308a\u3001\u3069\u3053\u3067\u7d42\u308f\u308b\u304b\u3092\u30b9\u30ad\u30e3\u30ca\u30fc\u306b\u4f1d\u3048\u307e\u3059\u3002\u3053\u306e\u30d0\u30c3\u30d5\u30a1\u304c\u306a\u3044\u3068\u3001\u5468\u56f2\u306e\u30c6\u30ad\u30b9\u30c8\u3001\u753b\u50cf\u3001\u3042\u308b\u3044\u306f\u7d19\u306e\u7aef\u304c\u30b9\u30ad\u30e3\u30f3\u3092\u59a8\u5bb3\u3057\u3001\u9ad8\u3044\u96e2\u8131\u7387\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ISO\/IEC 18004\u898f\u683c\u306b\u3088\u308b\u3068\u3001\u30af\u30ef\u30a4\u30a8\u30c3\u30c8\u30be\u30fc\u30f3\u306f\u3059\u3079\u3066\u306e\u5074\u9762\u3067\u5c11\u306a\u304f\u3068\u30824\u30e2\u30b8\u30e5\u30fc\u30eb\u5e45\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30b3\u30fc\u30c9\u30e2\u30b8\u30e5\u30fc\u30eb\u304c2mm\u5e45\u306e\u5834\u5408\u3001\u5883\u754c\u7dda\u306f\u4ed6\u306e\u30c7\u30b6\u30a4\u30f3\u8981\u7d20\u304b\u3089\u5c11\u306a\u304f\u3068\u30828mm\u96e2\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30af\u30ef\u30a4\u30a8\u30c3\u30c8\u30be\u30fc\u30f3\u3092\u4fdd\u8b77\u30d0\u30c3\u30d5\u30a1\u3068\u8003\u3048\u308b\u3079\u304d\u3067\u3059\u3002\u3053\u306e\u91cd\u8981\u306a\u4f59\u767d\u3092\u7e2e\u5c0f\u3059\u308b\u3088\u308a\u3082\u3001\u30b3\u30fc\u30c9\u5168\u4f53\u306e\u30b5\u30a4\u30ba\u3092\u308f\u305a\u304b\u306b\u7e2e\u5c0f\u3059\u308b\u65b9\u304c\u826f\u3044\u3067\u3057\u3087\u3046\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-infographic-aspect-ratio-9-16-white-background-with-black-text-and-blue-7703-1ab540eba995.webp\" alt=\"QR\u30b9\u30ad\u30e3\u30f3\u30a4\u30f3\u30d5\u30a9\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\" \/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u4eca\u3059\u3050\u30b9\u30ad\u30e3\u30f3\u3057\u3084\u3059\u3055\u3092\u6700\u9069\u5316\u3057\u307e\u3057\u3087\u3046<\/strong>\u3092\u3054\u5229\u7528\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/pageloot.com\/ja\/qr-code-generator\/\">QR\u30b3\u30fc\u30c9\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u30fc<\/a> \u30d6\u30e9\u30f3\u30c9\u306b\u5408\u3063\u305f\u9069\u5207\u306a\u30af\u30ef\u30a4\u30a8\u30c3\u30c8\u30be\u30fc\u30f3\u3068\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u8a2d\u5b9a\u3092\u81ea\u52d5\u7684\u306b\u542b\u3080\u9ad8\u89e3\u50cf\u5ea6\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u3002.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u52d5\u7684QR\u30b3\u30fc\u30c9\u3067\u8907\u96d1\u3055\u3092\u8efd\u6e1b\u3059\u308b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9759\u7684QR\u30b3\u30fc\u30c9\u306b\u30a8\u30f3\u30b3\u30fc\u30c9\u3059\u308b\u60c5\u5831\u91cf\u304c\u5897\u3048\u308b\u307b\u3069\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u30d1\u30bf\u30fc\u30f3\u306f\u5bc6\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u9ad8\u5bc6\u5ea6\u306f\u300c\u6df7\u96d1\u3057\u305f\u300d\u898b\u305f\u76ee\u3092\u4f5c\u308a\u51fa\u3057\u3001\u53e4\u3044\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306e\u30ab\u30e1\u30e9\u3067\u306f\u51e6\u7406\u304c\u306f\u308b\u304b\u306b\u56f0\u96e3\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u3001\u591a\u304f\u306e\u30de\u30fc\u30b1\u30bf\u30fc\u306f <a href=\"https:\/\/pageloot.com\/ja\/dynamic-qr-code-generator\/\">\u30c0\u30a4\u30ca\u30df\u30c3\u30afQR\u30b3\u30fc\u30c9<\/a>. \u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b3\u30fc\u30c9\u306f\u3001\u9577\u3044\u30c7\u30fc\u30bf\u6587\u5b57\u5217\u3067\u306f\u306a\u304f\u77ed\u3044\u30ea\u30c0\u30a4\u30ec\u30af\u30c8URL\u3092\u30a8\u30f3\u30b3\u30fc\u30c9\u3059\u308b\u305f\u3081\u3001\u30d1\u30bf\u30fc\u30f3\u304c\u30b7\u30f3\u30d7\u30eb\u3067\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u5927\u304d\u304f\u4fdd\u305f\u308c\u3001\u5c0f\u3055\u3044\u30b5\u30a4\u30ba\u3067\u3082\u9ad8\u901f\u30b9\u30ad\u30e3\u30f3\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30fc\u30bf\u5bc6\u5ea6\u7ba1\u7406\u306f\u3001\u8aa4\u308a\u8a02\u6b63\u30ec\u30d9\u30eb\u306b\u3082\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002\u8aa4\u308a\u8a02\u6b63\u306b\u3088\u308a\u3001\u30b3\u30fc\u30c9\u304c\u90e8\u5206\u7684\u306b\u96a0\u3055\u308c\u305f\u308a\u640d\u50b7\u3057\u305f\u308a\u3057\u3066\u3082\u6a5f\u80fd\u3057\u7d9a\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30ea\u30fc\u30c9\u30fb\u30bd\u30ed\u30e2\u30f3\u8ad6\u7406\u306b\u3088\u3063\u3066\u5b9a\u7fa9\u3055\u308c\u305f4\u3064\u306e\u6a19\u6e96\u30ec\u30d9\u30eb\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ec\u30d9\u30ebL\uff087%\u56de\u5fa9\uff09\uff1a\u30af\u30ea\u30fc\u30f3\u3067\u9ad8\u89e3\u50cf\u5ea6\u306e\u30c7\u30b8\u30bf\u30eb\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u306b\u6700\u9069\u3067\u3059\u3002.<\/li>\n<li>\u30ec\u30d9\u30ebM\uff0815%\u56de\u5fa9\uff09\uff1a\u307b\u3068\u3093\u3069\u306e\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u8cc7\u6599\u306e\u6a19\u6e96\u3067\u3059\u3002.<\/li>\n<li>\u30ec\u30d9\u30ebQ\uff0825%\u56de\u5fa9\uff09\uff1a\u5c0f\u3055\u306a\u30ed\u30b4\u3092\u542b\u3080\u30b3\u30fc\u30c9\u3084\u3001\u4ea4\u901a\u91cf\u306e\u591a\u3044\u5834\u6240\u3067\u4f7f\u7528\u3055\u308c\u308b\u30b3\u30fc\u30c9\u306b\u5229\u7528\u3055\u308c\u307e\u3059\u3002.<\/li>\n<li>\u30ec\u30d9\u30ebH\uff0830%\u56de\u5fa9\uff09\uff1a\u5c4b\u5916\u770b\u677f\u3001\u8eca\u4e21\u30e9\u30c3\u30d4\u30f3\u30b0\u3001\u307e\u305f\u306f\u640d\u50b7\u3057\u3084\u3059\u3044\u7523\u696d\u74b0\u5883\u306b\u6700\u9069\u3067\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30fc\u30bf\u3068\u30b9\u30ad\u30e3\u30f3\u3057\u3084\u3059\u3055\u306e\u9069\u5207\u306a\u30d0\u30e9\u30f3\u30b9\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001\u5f53\u793e\u306e\u30ac\u30a4\u30c9\u3067\u8a73\u3057\u304f\u5b66\u3076\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <a href=\"https:\/\/pageloot.com\/ja\/how-to\/understand-qr-code-data-limits\/\">QR\u30b3\u30fc\u30c9\u306e\u30c7\u30fc\u30bf\u5236\u9650\u3092\u7406\u89e3\u3059\u308b\u65b9\u6cd5<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d6\u30e9\u30f3\u30c9\u30c7\u30b6\u30a4\u30f3\u3068\u30ed\u30b4\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ed\u30b4\u3092\u8ffd\u52a0\u3059\u308b\u3068\u3001\u30d6\u30e9\u30f3\u30c9\u306e\u4fe1\u983c\u6027\u3068\u30b9\u30ad\u30e3\u30f3\u7387\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002\u30d6\u30e9\u30f3\u30c9\u5316\u3055\u308c\u305f\u30b3\u30fc\u30c9\u306f\u3001\u4e00\u822c\u7684\u306a\u30b3\u30fc\u30c9\u3088\u308a\u3082\u6700\u592730%\u591a\u304f\u306e\u30a8\u30f3\u30b2\u30fc\u30b8\u30e1\u30f3\u30c8\u3092\u7372\u5f97\u3067\u304d\u308b\u305f\u3081\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u30ed\u30b4\u306f\u30b3\u30fc\u30c9\u30c7\u30fc\u30bf\u306b\u5bfe\u3059\u308b\u300c\u640d\u50b7\u300d\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u4fe1\u983c\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u30ed\u30b4\u3092\u4e2d\u592e\u306b\u914d\u7f6e\u3057\u3001\u7dcf\u9762\u7a4d\u306e20%\u304b\u308925%\u3092\u8d85\u3048\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30b9\u30ad\u30e3\u30ca\u30fc\u304c\u753b\u50cf\u3092\u65b9\u5411\u4ed8\u3051\u308b\u305f\u3081\u306b\u4f7f\u7528\u3059\u308b\u3001\u30d5\u30a1\u30a4\u30f3\u30c0\u30fc\u30d1\u30bf\u30fc\u30f3\u3068\u3057\u3066\u77e5\u3089\u308c\u308b\u89d2\u306e3\u3064\u306e\u5927\u304d\u306a\u56db\u89d2\u3092\u30ed\u30b4\u304c\u906e\u3089\u306a\u3044\u3053\u3068\u304c\u91cd\u8981\u3067\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-illustration-aspect-ratio-1-1-white-background-with-black-text-an-681-b9ef0ee1a60e.webp\" alt=\"\u30d6\u30e9\u30f3\u30c9QR\u30c7\u30b6\u30a4\u30f3\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d6\u30e9\u30f3\u30c9\u8981\u7d20\u3092\u7d44\u307f\u8fbc\u3080\u969b\u306f\u3001\u30ed\u30b4\u306b\u3088\u3063\u3066\u8986\u308f\u308c\u308b\u30c7\u30fc\u30bf\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u88dc\u511f\u3059\u308b\u305f\u3081\u306b\u3001\u5e38\u306b\u8aa4\u308a\u8a02\u6b63\u30ec\u30d9\u30ebH\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30c7\u30b6\u30a4\u30f3\u3092\u5b89\u5168\u306b\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306b\u3064\u3044\u3066\u306f\u3001\u5f53\u793e\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/pageloot.com\/ja\/blog\/how-to-add-logos-to-qr-codes\/\">QR\u30b3\u30fc\u30c9\u306b\u30ed\u30b4\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d20\u6750\u3068\u5370\u5237\u54c1\u8cea\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9078\u629e\u3059\u308b\u7d20\u6750\u306f\u3001\u5149\u304c\u30b9\u30ad\u30e3\u30ca\u30fc\u3068\u3069\u306e\u3088\u3046\u306b\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u304b\u306b\u5927\u304d\u304f\u5f71\u97ff\u3057\u307e\u3059\u3002\u30ac\u30e9\u30b9\u3001\u5149\u6ca2\u306e\u3042\u308b\u30e9\u30df\u30cd\u30fc\u30c8\u3001\u91d1\u5c5e\u306a\u3069\u306e\u53cd\u5c04\u7387\u306e\u9ad8\u3044\u8868\u9762\u306f\u3001\u30ab\u30e1\u30e9\u3092\u7729\u60d1\u3055\u305b\u308b\u30b0\u30ec\u30a2\u3092\u767a\u751f\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u53ef\u80fd\u306a\u9650\u308a\u3001\u53cd\u5c04\u3092\u6e1b\u3089\u3059\u305f\u3081\u306b\u30de\u30c3\u30c8\u4ed5\u4e0a\u3052\u3092\u9078\u629e\u3059\u3079\u304d\u3067\u3059\u3002\u30dc\u30c8\u30eb\u3084\u7f36\u306e\u3088\u3046\u306a\u6e7e\u66f2\u3057\u305f\u8868\u9762\u306b\u5370\u5237\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u30b3\u30fc\u30c9\u30b5\u30a4\u30ba\u3092\u5927\u304d\u304f\u3059\u308b\u3053\u3068\u3067\u3001\u5dfb\u304d\u4ed8\u3051\u306b\u3088\u3063\u3066\u751f\u3058\u308b\u6b6a\u307f\u3092\u88dc\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d4\u30af\u30bb\u30eb\u5316\u3084\u300c\u307c\u3084\u3051\u305f\u300d\u30b3\u30fc\u30c9\u3092\u9632\u3050\u305f\u3081\u3001\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306a\u5370\u5237\u306b\u306f\u4f4e\u89e3\u50cf\u5ea6\u306eJPEG\u3084PNG\u30d5\u30a1\u30a4\u30eb\u306e\u4f7f\u7528\u3092\u907f\u3051\u308b\u3079\u304d\u3067\u3059\u3002\u4ee3\u308f\u308a\u306b\u3001SVG\u3001EPS\u3001\u307e\u305f\u306fPDF\u306e\u3088\u3046\u306a\u30d9\u30af\u30bf\u30fc\u5f62\u5f0f\u3067\u30b3\u30fc\u30c9\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30d9\u30af\u30bf\u30fc\u30d5\u30a1\u30a4\u30eb\u306f\u3069\u3093\u306a\u30b5\u30a4\u30ba\u3067\u3082\u5b8c\u5168\u306b\u30b7\u30e3\u30fc\u30d7\u3055\u3092\u4fdd\u3061\u3001\u30b9\u30ad\u30e3\u30ca\u30fc\u304c\u5404\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u9bae\u660e\u306a\u30a8\u30c3\u30b8\u3092\u691c\u51fa\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u5927\u91cf\u5370\u5237\u306b\u8e0f\u307f\u5207\u308b\u524d\u306b\u3001 <a href=\"https:\/\/pageloot.com\/ja\/blog\/qr-code-print-quality-checker\/\">QR\u30b3\u30fc\u30c9\u5370\u5237\u54c1\u8cea\u30c1\u30a7\u30c3\u30ab\u30fc<\/a> \u3092\u4f7f\u7528\u3057\u3066\u3001\u30c7\u30b6\u30a4\u30f3\u304c\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306a\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u306e\u304c\u8ce2\u660e\u3067\u3059\u3002.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u3092\u5c06\u6765\u306b\u308f\u305f\u3063\u3066\u6709\u52b9\u306b\u3059\u308b<\/strong>\u3092\u4f7f\u3063\u3066 <a href=\"https:\/\/pageloot.com\/ja\/dynamic-qr-code-generator\/\">\u30c0\u30a4\u30ca\u30df\u30c3\u30afQR\u30b3\u30fc\u30c9\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u30fc<\/a>, \u3001\u7d20\u6750\u304c\u5370\u5237\u3055\u308c\u305f\u5f8c\u3067\u3082\u5b9b\u5148\u30ea\u30f3\u30af\u3092\u66f4\u65b0\u3067\u304d\u308b\u305f\u3081\u3001\u30ad\u30e3\u30f3\u30da\u30fc\u30f3URL\u304c\u5909\u66f4\u3055\u308c\u305f\u5834\u5408\u306e\u9ad8\u984d\u306a\u518d\u5370\u5237\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002.<\/p>\n<\/blockquote>\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-0166ad981fbc\"><strong class=\"schema-faq-question\">\u5370\u5237\u3055\u308c\u305fQR\u30b3\u30fc\u30c9\u306e\u7d76\u5bfe\u6700\u5c0f\u30b5\u30a4\u30ba\u306f\u3069\u306e\u304f\u3089\u3044\u3067\u3059\u304b\uff1f<\/strong> <p class=\"schema-faq-answer\">\u6280\u8853\u7684\u306a\u57fa\u6e96\u3067\u306f\u3088\u308a\u5c0f\u3055\u306a\u5bf8\u6cd5\u304c\u8a31\u5bb9\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u8155\u306e\u9577\u3055\u3067\u78ba\u5b9f\u306b\u30b9\u30ad\u30e3\u30f3\u3067\u304d\u308b\u5b9f\u7528\u7684\u306a\u6700\u5c0f\u30b5\u30a4\u30ba\u306f0.8 x 0.8\u30a4\u30f3\u30c1\uff082 x 2 cm\uff09\u3067\u3059\u3002\u3053\u308c\u3088\u308a\u5c0f\u3055\u3044\u30b3\u30fc\u30c9\u306f\u3001\u53e4\u3044\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u30e2\u30c7\u30eb\u3084\u6700\u9069\u306a\u7167\u660e\u3067\u306f\u306a\u3044\u74b0\u5883\u3067\u306f\u5931\u6557\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-897361a0694d\"><strong class=\"schema-faq-question\">\u7167\u660e\u306fQR\u30b3\u30fc\u30c9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u3069\u306e\u3088\u3046\u306b\u5f71\u97ff\u3057\u307e\u3059\u304b\uff1f<\/strong> <p class=\"schema-faq-answer\">\u4f4e\u7167\u5ea6\u74b0\u5883\u3067\u306f\u3001\u8aad\u307f\u53d6\u308a\u53ef\u80fd\u306b\u3059\u308b\u305f\u3081\u306b\u3088\u308a\u9ad8\u3044\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u3068\u3088\u308a\u5927\u304d\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u30b5\u30a4\u30ba\u304c\u5fc5\u8981\u3067\u3059\u3002\u591c\u9593\u3084\u8584\u6697\u3044\u30ec\u30b9\u30c8\u30e9\u30f3\u3067\u30b3\u30fc\u30c9\u304c\u30b9\u30ad\u30e3\u30f3\u3055\u308c\u308b\u3068\u4e88\u60f3\u3055\u308c\u308b\u5834\u5408\u306f\u3001\u767d\u5730\u306b\u9ed2\u306e\u30c7\u30b6\u30a4\u30f3\u3092\u512a\u5148\u3057\u3001\u30b9\u30ad\u30e3\u30ca\u30fc\u304c\u30c7\u30fc\u30bf\u3092\u6b63\u78ba\u306b\u89e3\u6c7a\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u3088\u308a\u9ad8\u3044\u8aa4\u308a\u8a02\u6b63\u30ec\u30d9\u30eb\u3092\u4f7f\u7528\u3059\u3079\u304d\u3067\u3059\u3002.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-fc2d2bba00bc\"><strong class=\"schema-faq-question\">QR\u30b3\u30fc\u30c9\u306e\u30c7\u30b6\u30a4\u30f3\u306b\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u3084\u5f71\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong> <p class=\"schema-faq-answer\">\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u3084\u5f71\u306f\u3001\u30b9\u30ad\u30e3\u30f3\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u6df7\u4e71\u3055\u305b\u308b\u4e2d\u9593\u8abf\u3092\u5c0e\u5165\u3059\u308b\u305f\u3081\u3001\u907f\u3051\u308b\u306e\u304c\u6700\u5584\u3067\u3059\u3002\u30b9\u30ad\u30e3\u30ca\u30fc\u306f\u660e\u6697\u306e\u4e8c\u5024\u7684\u306a\u9055\u3044\u3092\u63a2\u3057\u307e\u3059\u3002\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u306f\u30b3\u30fc\u30c9\u3092\u8aad\u307f\u53d6\u308c\u306a\u304f\u3059\u308b\u300c\u7070\u8272\u300d\u306e\u9818\u57df\u3092\u4f5c\u308a\u51fa\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u826f\u306e\u7d50\u679c\u3092\u5f97\u308b\u306b\u306f\u3001\u5358\u8272\u306b\u3053\u3060\u308f\u308a\u307e\u3057\u3087\u3046\u3002.<\/p> <\/div> <\/div>\n\n\n\n\n<p class=\"wp-block-paragraph\">\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3092\u52b9\u679c\u7684\u306b\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u9ad8\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u3001\u9069\u5207\u306a\u30b5\u30a4\u30ba\u8a2d\u5b9a\u3001\u9ad8\u54c1\u8cea\u306a\u30d9\u30af\u30bf\u30fc\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u306e\u7dad\u6301\u306b\u6ce8\u529b\u3059\u3079\u304d\u3067\u3059\u3002\u8907\u6570\u306e\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u7d20\u6750\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001 <a href=\"https:\/\/pageloot.com\/ja\/qr-code-scanner\/\">QR\u30b3\u30fc\u30c9\u30b9\u30ad\u30e3\u30ca<\/a> \u3092\u4f7f\u7528\u3057\u3066\u3001\u5b9f\u969b\u306e\u7167\u660e\u6761\u4ef6\u4e0b\u3067\u81ea\u8eab\u306e\u30c7\u30b6\u30a4\u30f3\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3053\u3068\u304c\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u4fdd\u8a3c\u3059\u308b\u6700\u5584\u306e\u65b9\u6cd5\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u6280\u8853\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5f93\u3063\u3066\u3001\u3059\u3079\u3066\u306e\u7269\u7406\u7684\u306a\u63a5\u70b9\u3092\u6210\u529f\u3059\u308b\u30c7\u30b8\u30bf\u30eb\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306b\u5909\u3048\u307e\u3057\u3087\u3046\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u8272\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u3001\u30b5\u30a4\u30ba\u3001\u30af\u30ef\u30a4\u30a8\u30c3\u30c8\u30be\u30fc\u30f3\u306b\u95a2\u3059\u308b\u6280\u8853\u7684\u306a\u30d2\u30f3\u30c8\u3092\u6d3b\u7528\u3057\u3001QR\u30b3\u30fc\u30c9\u3092\u3088\u308a\u30b9\u30ad\u30e3\u30f3\u3057\u3084\u3059\u304f\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3057\u3087\u3046\u3002\u30c7\u30b6\u30a4\u30f3\u3092\u6700\u9069\u5316\u3057\u3066\u3001\u6700\u5927\u9650\u306e\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3057\u3087\u3046\u3002.<\/p>","protected":false},"author":17,"featured_media":50735,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[2635],"tags":[],"class_list":["post-43969","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- 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Codes smaller than this often fail on older smartphone models or in environments with suboptimal lighting.","inLanguage":"ja"},"inLanguage":"ja"},{"@type":"Question","@id":"https:\/\/pageloot.com\/blog\/how-to-improve-qr-code-readability\/#faq-question-897361a0694d","position":2,"url":"https:\/\/pageloot.com\/blog\/how-to-improve-qr-code-readability\/#faq-question-897361a0694d","name":"\u7167\u660e\u306fQR\u30b3\u30fc\u30c9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u3069\u306e\u3088\u3046\u306b\u5f71\u97ff\u3057\u307e\u3059\u304b\uff1f","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Low-light environments require higher contrast and larger module sizes to be readable. If you expect your code to be scanned at night or in a dim restaurant, you should prioritize a black-on-white design and use a higher error correction level to ensure the scanner can accurately resolve the data.","inLanguage":"ja"},"inLanguage":"ja"},{"@type":"Question","@id":"https:\/\/pageloot.com\/blog\/how-to-improve-qr-code-readability\/#faq-question-fc2d2bba00bc","position":3,"url":"https:\/\/pageloot.com\/blog\/how-to-improve-qr-code-readability\/#faq-question-fc2d2bba00bc","name":"QR\u30b3\u30fc\u30c9\u306e\u30c7\u30b6\u30a4\u30f3\u306b\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u3084\u5f71\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"It is best to avoid gradients and shadows because they introduce mid-tones that can confuse the scanning software. Scanners look for a binary difference between light and dark; gradients may create u005cu0022grayu005cu0022 areas that make the code unreadable. 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