{"id":17520,"date":"2026-02-09T14:54:26","date_gmt":"2026-02-09T05:54:26","guid":{"rendered":"https:\/\/www.spiral-platform.co.jp\/article\/?p=17520"},"modified":"2026-02-09T14:54:28","modified_gmt":"2026-02-09T05:54:28","slug":"14679","status":"publish","type":"post","link":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/","title":{"rendered":"Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3 \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u306f\uff1f\u4f01\u696d\u5411\u3051\u306e\u6539\u5584\u30dd\u30a4\u30f3\u30c8"},"content":{"rendered":"\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u30012025\u5e74\u6700\u65b0\u306eWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff08WCAG2.2\u30fbJIS X 8341-3\uff09\u306b\u3064\u3044\u3066\u521d\u5fc3\u8005\u5411\u3051\u306b\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u7fa9\u52d9\u5316\u306e\u6d41\u308c\u3084WCAG\u306e4\u539f\u5247\u3001\u4f01\u696d\u304c\u53d6\u308a\u7d44\u3080\u3079\u304d\u6539\u5584\u30dd\u30a4\u30f3\u30c84\u3064\u3001\u30c1\u30a7\u30c3\u30af\u30c4\u30fc\u30eb\u307e\u3067\u307e\u3068\u3081\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u306f\uff1f<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"575\" src=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_21762792_M-1024x575.jpg\" alt=\"\" class=\"wp-image-17400\" srcset=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_21762792_M-1024x575.jpg 1024w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_21762792_M-300x168.jpg 300w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_21762792_M-768x431.jpg 768w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_21762792_M-1536x862.jpg 1536w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_21762792_M.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306f\u3001\u9ad8\u9f62\u8005\u3084\u969c\u5bb3\u306e\u3042\u308b\u4eba\u3092\u542b\u3080\u3001\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u304cWeb\u30b5\u30a4\u30c8\u3092\u5186\u6ed1\u306b\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u8a2d\u8a08\u30fb\u904b\u7528\u306e\u6307\u91dd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5358\u306a\u308b\u300c\u3084\u3055\u3057\u3055\u300d\u3084\u300c\u914d\u616e\u300d\u306e\u8a71\u3067\u306f\u306a\u304f\u3001\u6cd5\u5236\u5ea6\u30fb\u4f01\u696d\u8cac\u4efb\u30fbSEO\u8a55\u4fa1\u306b\u3082\u6df1\u304f\u95a2\u4fc2\u3057\u3066\u3044\u308b\u91cd\u8981\u306a\u6307\u6a19\u3067\u3042\u308b\u305f\u3081\u3001\u307e\u305a\u306f\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u6982\u8981\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u300c\u57fa\u6e96\u300d\u306fWCAG\u3068JIS<\/h3>\n\n\n\n<p>Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u57fa\u6e96\u306b\u306f\u3001\u56fd\u969b\u6a19\u6e96\u306eWCAG\u3068\u3001\u65e5\u672c\u56fd\u5185\u5411\u3051\u306eJIS X 8341-3\u3068\u3044\u30462\u3064\u306e\u8ef8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u57fa\u6e96<\/td><td>\u6982\u8981<\/td><\/tr><tr><td>WCAG<br>\uff08Web Content Accessibility Guidelines\uff09<\/td><td>W3C\uff08World Wide Web Consortium\uff09\u304c\u7b56\u5b9a\u3059\u308b\u56fd\u969b\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/td><\/tr><tr><td>JIS X 8341-3<\/td><td>\u65e5\u672c\u5de5\u696d\u898f\u683c\u3068\u3057\u3066\u5b9a\u3081\u3089\u308c\u305fWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u57fa\u6e96<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u65e5\u672c\u306e\u6cd5\u5236\u5ea6\u3084\u884c\u653f\u5bfe\u5fdc\u3067\u306f\u3001\u300cJIS X 8341-3:2016\uff08\u57fa\u6e96\u306e2016\u5e74\u7248\uff09\u300d\u3092\u5b9f\u52d9\u4e0a\u306e\u57fa\u6e96\u306b\u3059\u308b\u3053\u3068\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u5b9f\u969b\u3001\u30c7\u30b8\u30bf\u30eb\u5e81\u3084\u7dcf\u52d9\u7701\u3001\u91d1\u878d\u5e81\u304c\u516c\u958b\u3057\u3066\u3044\u308b\u30ac\u30a4\u30c9\u30d6\u30c3\u30af\u3084\u65b9\u91dd\u8cc7\u6599\u3067\u3082\u30012016\u5e74\u7248\u304c\u30d9\u30fc\u30b9\u3068\u3057\u3066\u307e\u3068\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u5f79\u5272<\/h3>\n\n\n\n<p>Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u304c\u679c\u305f\u3059\u5f79\u5272\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u300c\u8ab0\u306b\u3068\u3063\u3066\u3082\u516c\u5e73\u306aWeb\u4f53\u9a13\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306e\u5171\u901a\u30eb\u30fc\u30eb\u300d\u3092\u660e\u78ba\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u591a\u69d8\u306a\u5229\u7528\u8005\u3092\u5c0a\u91cd\u3057\u3066\u3044\u308b\u59ff\u52e2\u3092\u793a\u305b\u308b<\/li>\n\n\n\n<li>Web\u30b5\u30a4\u30c8\u306e\u8a2d\u8a08\u30fb\u6539\u5584\u306b\u304a\u3051\u308b\u5bfe\u5fdc\u306e\u629c\u3051\u6f0f\u308c\u3092\u9632\u6b62\u3067\u304d\u308b<\/li>\n\n\n\n<li>\u5236\u4f5c\u62c5\u5f53\u8005\u3054\u3068\u306e\u5224\u65ad\u5dee\u3092\u9632\u3052\u308b<\/li>\n\n\n\n<li>\u4f01\u696d\u3068\u3057\u3066\u306e\u4fe1\u983c\u6027\u3084\u30d6\u30e9\u30f3\u30c9\u4fa1\u5024\u306e\u5411\u4e0a\u306b\u3064\u306a\u304c\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u5b9f\u969b\u3001\u4f7f\u3044\u3084\u3059\u3044Web\u30b5\u30a4\u30c8\u306f\u5229\u7528\u8005\u306e\u6e80\u8db3\u5ea6\u3092\u9ad8\u3081\u3084\u3059\u3044\u307b\u304b\u3001\u30ea\u30d4\u30fc\u30bf\u30fc\u3092\u751f\u307f\u51fa\u3057\u3084\u3059\u3044\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u304c\u5bfe\u8c61\u3068\u3059\u308b\u30e6\u30fc\u30b6\u30fc<\/h3>\n\n\n\n<p>Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u80fd\u529b\u306b\u5236\u7d04\u304c\u3042\u308b\u4eba\u3092\u306f\u3058\u3081\u3001\u3055\u307e\u3056\u307e\u306a\u7279\u6027\u3092\u6301\u3064\u5229\u7528\u8005\u3092\u5bfe\u8c61\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8996\u899a\u969c\u5bb3<\/li>\n\n\n\n<li>\u8074\u899a\u969c\u5bb3<\/li>\n\n\n\n<li>\u8996\u899a\u30fb\u8074\u899a\u306e\u4e21\u65b9\uff08\u76f2\u308d\u3046\uff09<\/li>\n\n\n\n<li>\u4e0a\u80a2\u969c\u5bb3<\/li>\n\n\n\n<li>\u75c5\u6c17\u3084\u30b1\u30ac\u3068\u3044\u3063\u305f\u4e00\u6642\u7684\u306a\u969c\u5bb3<\/li>\n\n\n\n<li>\u767a\u9054\u969c\u5bb3\u30fb\u5b66\u7fd2\u969c\u5bb3\u30fb\u77e5\u7684\u969c\u5bb3<\/li>\n\n\n\n<li>\u8272\u899a\u7279\u6027<\/li>\n\n\n\n<li>\u9ad8\u9f62<\/li>\n<\/ul>\n\n\n\n<a href=\"https:\/\/www.digital.go.jp\/assets\/contents\/node\/basic_page\/field_ref_resources\/08ed88e1-d622-43cb-900b-84957ab87826\/bf5f4482\/20251016_introduction_to_web_accessibility.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\uff08\u53c2\u8003\uff1a\u30c7\u30b8\u30bf\u30eb\u5e81\u300c\u30a6\u30a7\u30d6\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5c0e\u5165\u30ac\u30a4\u30c9\u30d6\u30c3\u30af\uff082025\u5e7410\u670816\u65e5\uff09\u300d\uff09<\/a>\n\n\n\n<p>\u65e5\u672c\u3067\u306f\u3001\u3053\u3046\u3057\u305f\u8003\u3048\u65b9\u3092\u3082\u3068\u306b\u300cJIS X 8341-3\u300d\u304c\u6574\u5099\u3055\u308c\u3001\u521d\u671f\u306e2004\u5e74\u7248\u3067\u306f\u4e3b\u306b\u8996\u899a\u969c\u5bb3\u8005\u3078\u306e\u914d\u616e\u304c\u4e2d\u5fc3\u3067\u3057\u305f\u3002\u305d\u306e\u5f8c\u306e\u66f4\u65b0\u3092\u7d4c\u3066\u3001\u73fe\u5728\u306eJIS X 8341-3:2016\u3067\u306f\u3001\u3088\u308a\u5e45\u5e83\u3044\u969c\u5bb3\u3084\u5229\u7528\u74b0\u5883\u3092\u60f3\u5b9a\u3057\u305f\u57fa\u6e96\u3078\u3068\u9032\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u969b\u3001\u73fe\u5728\u306e\u56fd\u306eWeb\u30b5\u30a4\u30c8\u306b\u306f\u3001\u8996\u899a\u969c\u5bb3\u8005\u5411\u3051\u306b\u300c\u8aad\u307f\u4e0a\u3052\u6a5f\u80fd\u300d\u304c\u6a19\u6e96\u642d\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"474\" height=\"288\" src=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-26-16.46.32.png\" alt=\"\" class=\"wp-image-17503\" style=\"width:840px;height:auto\" srcset=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-26-16.46.32.png 474w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-26-16.46.32-300x182.png 300w\" sizes=\"auto, (max-width: 474px) 100vw, 474px\" \/><\/figure>\n\n\n\n<a href=\"https:\/\/www.nta.go.jp\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u51fa\u5178\uff1a\u56fd\u7a0e\u5e81\u516c\u5f0f\u30b5\u30a4\u30c8<\/a>\n\n\n\n<p>\u8fd1\u5e74\u306eSDGs\u306e\u8003\u3048\u3068\u540c\u3058\u304f\u3001\u300c\u8ab0\u4e00\u4eba\u3068\u3057\u3066\u53d6\u308a\u6b8b\u3055\u306a\u3044\u300dWeb\u4f53\u9a13\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u6307\u91dd\u3068\u3057\u3066\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u306a\u305c\u4eca\u3001Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u304c\u91cd\u8981\u306a\u306e\u304b<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_33404750_M-1-1024x682.jpg\" alt=\"\" class=\"wp-image-17402\" srcset=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_33404750_M-1-1024x682.jpg 1024w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_33404750_M-1-300x200.jpg 300w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_33404750_M-1-768x512.jpg 768w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_33404750_M-1-1536x1024.jpg 1536w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_33404750_M-1.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u591a\u69d8\u6027\u304c\u5c0a\u91cd\u3055\u308c\u308b\u73fe\u4ee3\u3067\u306f\u3001\u7279\u306bWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5bfe\u5fdc\u306e\u5fc5\u8981\u6027\u304c\u5897\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5177\u4f53\u7684\u306a\u7406\u7531\u30923\u3064\u306e\u30dd\u30a4\u30f3\u30c8\u306b\u5206\u3051\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306f\u3001\u5358\u306a\u308b\u914d\u616e\u3067\u306f\u306a\u304f\u6cd5\u4ee4\u9075\u5b88\u30fb\u4f01\u696d\u8a55\u4fa1\u30fb\u30d3\u30b8\u30cd\u30b9\u6a5f\u4f1a\u306b\u76f4\u7d50\u3059\u308b\u91cd\u8981\u30c6\u30fc\u30de\u3067\u3059\u3002\u5bfe\u5fdc\u306e\u6709\u7121\u304c\u3001\u4f01\u696d\u306e\u59ff\u52e2\u3084\u4fe1\u983c\u6027\u3092\u5224\u65ad\u3059\u308b\u6642\u4ee3\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6cd5\u5236\u5ea6\u3068\u300c\u7fa9\u52d9\u5316\u300d\u306e\u6d41\u308c\u3042\u308a<\/h3>\n\n\n\n<p>Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u304c\u6ce8\u76ee\u3055\u308c\u308b\u306e\u306f\u3001\u5185\u95a3\u5e9c\u304c\u63a8\u9032\u3059\u308b\u300c\u969c\u5bb3\u8005\u5dee\u5225\u89e3\u6d88\u6cd5\uff08\u6b63\u5f0f\u540d\u79f0\u3001\u969c\u5bb3\u3092\u7406\u7531\u3068\u3059\u308b\u5dee\u5225\u306e\u89e3\u6d88\u306e\u63a8\u9032\u306b\u95a2\u3059\u308b\u6cd5\u5f8b\uff09\u300d\u306e\u6539\u6b63\u306b\u3088\u308a\u3001\u5408\u7406\u7684\u914d\u616e\u304c\u7fa9\u52d9\u5316\u3055\u308c\u305f\u3053\u3068\u304c\u7406\u7531\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3042\u304f\u307e\u3067\u5408\u7406\u7684\u914d\u616e\u306e\u307f\u304c\u7fa9\u52d9\u5316\u3055\u308c\u305f\u3082\u306e\u3067\u3042\u308a\u3001\u6c11\u9593\u4f01\u696d\u306b\u306f\u7f70\u5247\u3053\u305d\u3042\u308a\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u5bfe\u5fdc\u3057\u306a\u3044\u72b6\u614b\u306f\u6c11\u4e8b\u8a34\u8a1f\u30ea\u30b9\u30af\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u6307\u91dd\u306a\u3069\u3067\u306f\u300c\u904e\u91cd\u306a\u8ca0\u62c5\u300d\u3067\u306a\u3044\u7bc4\u56f2\u306e\u5bfe\u5fdc\u3068\u8aac\u660e\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u306e\u3001\u4e00\u5b9a\u306e\u8cc7\u672c\u529b\u3084IT\u4f53\u5236\u304c\u6574\u3063\u3066\u3044\u308b\u4f01\u696d\u306e\u5834\u5408\u3001\u7fa9\u52d9\u5316\u306e\u6761\u4ef6\u306b\u3042\u3066\u306f\u307e\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u3002\u4eca\u5f8c\u306e\u5bfe\u5fdc\u6b21\u7b2c\u3067\u3001\u3069\u306e\u3088\u3046\u306a\u59ff\u52e2\u3067\u6cd5\u4ee4\u3068\u5411\u304d\u5408\u3063\u3066\u3044\u308b\u304b\u3092\u3001\u682a\u4e3b\u3084\u793e\u4f1a\u304b\u3089\u554f\u308f\u308c\u308b\u5834\u9762\u304c\u5897\u3048\u3066\u3044\u304f\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<a href=\"https:\/\/www8.cao.go.jp\/shougai\/suishin\/sabekai\/kihonhoushin\/honbun.html\" target=\"_blank\" rel=\"noopener noreferrer\">\uff08\u53c2\u8003\uff1a\u5185\u95a3\u5e9c\u300c\u969c\u5bb3\u3092\u7406\u7531\u3068\u3059\u308b\u5dee\u5225\u306e\u89e3\u6d88\u306e\u63a8\u9032\u306b\u95a2\u3059\u308b\u57fa\u672c\u65b9\u91dd\u300d\uff09<\/a>\n\n\n\n<h3 class=\"wp-block-heading\">\u5bfe\u5fdc\u3067\u304d\u306a\u3044\u30b5\u30a4\u30c8\u306f\u8a34\u8a1f\u30fb\u708e\u4e0a\u306e\u30ea\u30b9\u30af\u3042\u308a<\/h3>\n\n\n\n<p>Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u7121\u8996\u3057\u3001\u672a\u5bfe\u5fdc\u306e\u307e\u307e\u653e\u7f6e\u3059\u308b\u3068\u3001\u305d\u308c\u304c\u8a34\u8a1f\u3084Web\u30b5\u30a4\u30c8\u306e\u708e\u4e0a\u306b\u3064\u306a\u304c\u308b\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u969b\u3001\u6d77\u5916\uff08\u7279\u306b\u30a2\u30e1\u30ea\u30ab\uff09\u3067\u306f\u3001\u969c\u5bb3\u3092\u6301\u3064\u5f53\u4e8b\u8005\u304c\u300c\u60c5\u5831\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u300d\u3053\u3068\u3092\u7406\u7531\u306b\u4f01\u696d\u3092\u8a34\u3048\u305f\u4e8b\u4f8b\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u65e5\u672c\u3067\u306f\u8a34\u8a1f\u4ef6\u6570\u306f\u5c11\u306a\u3044\u3082\u306e\u306e\u3001\u3088\u308a\u73fe\u5b9f\u7684\u306a\u306e\u304cSNS\u306b\u3088\u308b\u708e\u4e0a\u30ea\u30b9\u30af\u3067\u3059\u3002\u300c\u6307\u6458\u3057\u305f\u306e\u306b\u6539\u5584\u3055\u308c\u306a\u3044\u300d\u3068\u3044\u3046\u4e8b\u5b9f\u304c\u62e1\u6563\u3055\u308c\u3084\u3059\u304f\u3001\u4f01\u696d\u30a4\u30e1\u30fc\u30b8\u3092\u5927\u304d\u304f\u640d\u306a\u3046\u6050\u308c\u304c\u3042\u308b\u305f\u3081\u3001\u65e9\u6025\u306aWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3078\u306e\u5bfe\u5fdc\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d3\u30b8\u30cd\u30b9\u9762\u3067\u306e\u6a5f\u4f1a\u640d\u5931\u306e\u53ef\u80fd\u6027\u3042\u308a<\/h3>\n\n\n\n<p>Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u672a\u5bfe\u5fdc\u306e\u307e\u307e\u3060\u3068\u3001\u6b21\u306e\u3088\u3046\u306a\u898b\u3048\u306a\u3044\u30e6\u30fc\u30b6\u30fc\u5224\u65ad\u306b\u3088\u308a\u3001\u30b5\u30fc\u30d3\u30b9\u306e\u6a5f\u4f1a\u640d\u5931\u304c\u751f\u307e\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6587\u5b57\u304c\u8aad\u307f\u306b\u304f\u3044<\/li>\n\n\n\n<li>\u64cd\u4f5c\u3057\u3065\u3089\u3044<\/li>\n\n\n\n<li>\u8cfc\u8cb7\u306a\u3069\u6b21\u306e\u884c\u52d5\u3092\u8d77\u3053\u3057\u3065\u3089\u3044<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u306f\u969c\u5bb3\u306e\u3042\u308b\u4eba\u306b\u9650\u3089\u305a\u3001\u9ad8\u9f62\u8005\u3084\u4e00\u6642\u7684\u306b\u4e0d\u81ea\u7531\u306a\u74b0\u5883\u306b\u3044\u308b\u4eba\u3082\u542b\u307e\u308c\u307e\u3059\u3002\u554f\u3044\u5408\u308f\u305b\u6570\u3084CV\uff08\u30b3\u30f3\u30d0\u30fc\u30b8\u30e7\u30f3\u30fb\u6210\u7d04\uff09\u7387\u304c\u4e0b\u304c\u308a\u3001SEO\u8a55\u4fa1\u3084\u30d6\u30e9\u30f3\u30c9\u4fe1\u983c\u306b\u3082\u60aa\u5f71\u97ff\u3092\u53ca\u307c\u3059\u30b1\u30fc\u30b9\u3082\u3042\u308b\u305f\u3081\u3001\u65e9\u6025\u306a\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u5bfe\u5fdc\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e2\u3064\u306e\u8ef8<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"878\" src=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_112495896_M-1024x878.jpg\" alt=\"\" class=\"wp-image-17482\" srcset=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_112495896_M-1024x878.jpg 1024w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_112495896_M-300x257.jpg 300w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_112495896_M-768x658.jpg 768w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_112495896_M-1536x1316.jpg 1536w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_112495896_M.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u56fd\u969b\u6a19\u6e96\u3067\u3042\u308b\u300cWCAG\u300d\u3068\u3001\u65e5\u672c\u56fd\u5185\u306e\u5b9f\u52d9\u57fa\u6e96\u3067\u3042\u308b\u300cJIS X 8341-3\u300d\u3068\u3044\u30462\u3064\u306e\u8ef8\u3092\u6b63\u3057\u304f\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5168\u4f53\u306e\u57fa\u790e\u3068\u306a\u308b\u300cWCAG\uff08\u56fd\u969b\u6a19\u6e96\uff09\u300d\u3092\u7406\u89e3\u3059\u308b<\/h3>\n\n\n\n<p>WCAG\u306f\u3001Web\u6280\u8853\u306e\u6a19\u6e96\u5316\u3092\u63a8\u9032\u3059\u308b\u56fd\u969b\u7684\u306a\u975e\u55b6\u5229\u56e3\u4f53\u3067\u3042\u308b\u300cW3C\u300d\u304c\u7b56\u5b9a\u3059\u308b\u4e16\u754c\u5171\u901a\u306eWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u6307\u91dd\u3067\u3059\u3002\u56fd\u3084\u4f01\u696d\u3092\u554f\u308f\u305a\u3001\u5404\u56fd\u306e\u898f\u683c\u3084\u6cd5\u5236\u5ea6\u306e\u571f\u53f0\u3084Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u3057\u3066\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">WCAG\u306e4\u539f\u5247\uff08POUR\uff09<\/h4>\n\n\n\n<p>WCAG\u306f\u3001Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u30924\u3064\u306e\u539f\u5247\u3067\u6574\u7406\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>4\u3064\u306e\u539f\u5247<\/td><td>\u6982\u8981<\/td><\/tr><tr><td>\u77e5\u899a\u53ef\u80fd\uff08Perceivable\uff09<\/td><td>\u4ee3\u66ff\u30c6\u30ad\u30b9\u30c8\u3084\u5b57\u5e55\u3067\u60c5\u5831\u3092\u8a8d\u8b58\u3067\u304d\u308b<\/td><\/tr><tr><td>\u64cd\u4f5c\u53ef\u80fd\uff08Operable\uff09<\/td><td>\u30ad\u30fc\u30dc\u30fc\u30c9\u64cd\u4f5c\u306a\u3069\u591a\u69d8\u306a\u64cd\u4f5c\u65b9\u6cd5\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b<\/td><\/tr><tr><td>\u7406\u89e3\u53ef\u80fd\uff08Understandable\uff09<\/td><td>\u5185\u5bb9\u3084\u64cd\u4f5c\u304c\u4e88\u6e2c\u3057\u3084\u3059\u304f\u308f\u304b\u308a\u3084\u3059\u3044<\/td><\/tr><tr><td>\u5805\u7262\uff08Robust\uff09<\/td><td>\u652f\u63f4\u6280\u8853\u3084\u5c06\u6765\u306e\u6280\u8853\u3067\u3082\u6b63\u3057\u304f\u52d5\u4f5c\u3059\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u3059\u3079\u3066\u306e\u9054\u6210\u57fa\u6e96\u306e\u571f\u53f0\u3068\u306a\u308b\u8003\u3048\u65b9\u3067\u3059\u3002\u3053\u306e\u8003\u3048\u306f\u3001\u65e5\u672c\u7248\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3067\u3042\u308b\u300cJIS X 8341-3\u300d\u306b\u3082\u53d6\u308a\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2025\u5e74\u6642\u70b9\u306e\u6700\u65b0\u7248\u306f\u300cWCAG2.2\u300d<\/h4>\n\n\n\n<p>WCAG\u306f\u7d99\u7d9a\u7684\u306b\u66f4\u65b0\u3055\u308c\u3066\u304a\u308a\u30012023\u5e7410\u6708\u306b\u300cWCAG 2.2\u300d\u304c\u6b63\u5f0f\u52e7\u544a\u3068\u306a\u308a\u307e\u3057\u305f\u3002\u64cd\u4f5c\u8ca0\u8377\u306e\u8efd\u6e1b\u3084\u30d5\u30a9\u30fc\u30ab\u30b9\u53ef\u8996\u6027\u306a\u3069\u304c\u5f37\u5316\u3055\u308c\u3001\u3088\u308a\u5b9f\u52d9\u7684\u306a\u914d\u616e\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u65e5\u672c\u3067\u306f\u3001WCAG 2.2\u3068\u4e00\u81f4\u3059\u308bJIS\u898f\u683c\u306f\u672a\u6574\u5099\u3067\u3059\u3002\u307e\u305f\u30012025\u5e749\u67084\u65e5\u306b\u306f\u65b0\u305f\u306bWCAG 3.0\u304c\u66f4\u65b0\u3055\u308c\u308b\u306a\u3069\u3001\u6574\u5099\u306b\u9045\u308c\u304c\u751f\u3058\u3066\u3044\u308b\u72b6\u6cc1\u3067\u3059\u3002\u4eca\u5f8c\u306e\u6307\u6a19\u3068\u306a\u308b\u66f4\u65b0\u3067\u3059\u306e\u3067\u3001\u4f01\u696d\u3067\u306f\u5e38\u306b\u6700\u65b0\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u53d6\u308a\u8fbc\u3080\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u53c2\u8003\uff1a<br><\/p>\n\n\n\n<a href=\"https:\/\/www.w3.org\/TR\/WCAG22\/\" target=\"_blank\" rel=\"noopener noreferrer\">W3C\u300cWeb Content Accessibility Guidelines (WCAG) 2.2\u300d\/<\/a>\n\n\n\n<a href=\"https:\/\/www.w3.org\/TR\/wcag-3.0\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u300cW3C Accessibility Guidelines (WCAG) 3.0\u300d<\/a>\n\n\n\n<h3 class=\"wp-block-heading\">\u65e5\u672c\u7248\u306e\u300cJIS X 8341-3\u300d\u3092\u7406\u89e3\u3059\u308b<\/h3>\n\n\n\n<p>\u300cJIS X 8341-3\u300d\u306f\u3001\u65e5\u672c\u306e\u60c5\u5831\u901a\u4fe1\u5206\u91ce\u306b\u304a\u3051\u308bWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u898f\u683c\u3067\u3059\u3002WCAG 2.0\u306e\u898f\u683c\u306b\u6e96\u62e0\u3057\u3066\u304a\u308a\u30012025\u5e74\u73fe\u5728\u306f\u300cJIS X 8341-3:2016\u300d\u304c\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">JIS X 8341-3\u306e\u9069\u5408\u30ec\u30d9\u30eb<\/h4>\n\n\n\n<p>\u300cJIS X 8341-3\u300d\u306f\u3001WCAG\u306b\u3082\u793a\u3055\u308c\u3066\u3044\u308b\u300c\u9069\u5408\u30ec\u30d9\u30ebA\u30fbAA\u30fbAAA\u300d\u3067\u8a55\u4fa1\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u306b\u3001\u56fd\u3084\u81ea\u6cbb\u4f53\u306f\u30ec\u30d9\u30ebAA\u3001\u6c11\u9593\u4f01\u696d\u306fA\u301cAA\u304c\u76ee\u5b89\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3059\u3079\u3066\u3092\u6700\u9ad8\u6c34\u6e96\u3067\u6e80\u305f\u3059\u5fc5\u8981\u306f\u306a\u304f\u3001\u81ea\u793e\u30b5\u30a4\u30c8\u306e\u76ee\u7684\u3084\u5229\u7528\u8005\u5c64\u306b\u5fdc\u3058\u3066\u73fe\u5b9f\u7684\u306a\u6c34\u6e96\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30a6\u30a7\u30d6\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u57fa\u76e4\u59d4\u54e1\u4f1a\u3067\u306f\u3001\u9069\u5408\u30ec\u30d9\u30eb\u3092\u9054\u6210\u3059\u308b\u57fa\u6e96\u3068\u3057\u3066\u3001\u65e9\u898b\u8868\u3082\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f01\u696d\u304c\u3084\u308b\u3079\u304dWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u6539\u5584\u30dd\u30a4\u30f3\u30c8<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_96789813_M-1024x682.jpg\" alt=\"\" class=\"wp-image-17454\" srcset=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_96789813_M-1024x682.jpg 1024w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_96789813_M-300x200.jpg 300w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_96789813_M-768x512.jpg 768w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_96789813_M-1536x1024.jpg 1536w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_96789813_M.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u4f01\u696d\u304c\u53d6\u308a\u7d44\u3080\u3079\u304dWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u5bfe\u7b56\u306f\u3001\u30c7\u30b8\u30bf\u30eb\u5e81\u304c\u516c\u958b\u3057\u3066\u3044\u308b\u300c\u30a6\u30a7\u30d6\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5c0e\u5165\u30ac\u30a4\u30c9\u30d6\u30c3\u30af\u300d\u306b\u8a73\u3057\u304f\u6574\u7406\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u3001\u300c\u5fc5\u305a\u9054\u6210\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3082\u306e\u300d\u306e\u306a\u304b\u3067\u3082\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3092\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u753b\u50cf\u306b\u9069\u5207\u306a\u300c\u4ee3\u66ff\u30c6\u30ad\u30b9\u30c8\uff08ALT\uff09\u300d\u3092\u3064\u3051\u308b<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"774\" height=\"371\" src=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-26-16.50.07.png\" alt=\"\" class=\"wp-image-17504\" srcset=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-26-16.50.07.png 774w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-26-16.50.07-300x144.png 300w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-26-16.50.07-768x368.png 768w\" sizes=\"auto, (max-width: 774px) 100vw, 774px\" \/><\/figure>\n\n\n\n<a href=\"https:\/\/www.digital.go.jp\/assets\/contents\/node\/basic_page\/field_ref_resources\/08ed88e1-d622-43cb-900b-84957ab87826\/bf5f4482\/20251016_introduction_to_web_accessibility.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\u5f15\u7528\uff1a\u30c7\u30b8\u30bf\u30eb\u5e81\u300c\u30a6\u30a7\u30d6\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5c0e\u5165\u30ac\u30a4\u30c9\u30d6\u30c3\u30af\u300d<\/a>\n\n\n\n<p><\/p>\n<\/blockquote>\n\n\n\n<p>\u753b\u50cf\u306e\u4ee3\u66ff\u30c6\u30ad\u30b9\u30c8\uff08ALT\uff09\u306f\u3001Web\u30b5\u30a4\u30c8\u306b\u63b2\u8f09\u3057\u305f\u753b\u50cf\u304c\u4f1d\u3048\u308b\u60c5\u5831\u3092\u30c6\u30ad\u30b9\u30c8\u3067\u88dc\u3046\u305f\u3081\u306e\u8981\u7d20\u3067\u3059\u3002\u7279\u306b\u8996\u899a\u969c\u5bb3\u3092\u6301\u3064\u65b9\u306b\u3068\u3063\u3066\u306f\u3001ALT\u304c\u306a\u3051\u308c\u3070\u753b\u50cf\u306e\u610f\u5473\u3092\u4f1d\u3048\u3089\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u7279\u306b\u3001\u30ed\u30b4\u3084\u30ea\u30f3\u30af\u753b\u50cf\u306f\u9077\u79fb\u5148\u304c\u308f\u304b\u308b\u5185\u5bb9\u306b\u3059\u308b\u3001\u30b0\u30e9\u30d5\u3084\u56f3\u8868\u306f\u8981\u70b9\u3092\u7c21\u6f54\u306b\u8981\u7d04\u3059\u308b\u3001\u88c5\u98fe\u76ee\u7684\u3067\u610f\u5473\u3092\u6301\u305f\u306a\u3044\u753b\u50cf\u306fALT\u3092\u8a18\u8f09\u3057\u306a\u3044\u3068\u3044\u3063\u305f\u5bfe\u7b56\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c6\u30ad\u30b9\u30c8\u3068\u80cc\u666f\u306e\u300c\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u300d\u3092\u78ba\u4fdd\u3059\u308b<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"759\" height=\"400\" src=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-26-16.51.01.png\" alt=\"\" class=\"wp-image-17507\" style=\"width:840px;height:auto\" srcset=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-26-16.51.01.png 759w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-26-16.51.01-300x158.png 300w\" sizes=\"auto, (max-width: 759px) 100vw, 759px\" \/><\/figure>\n\n\n\n<a href=\"https:\/\/www.digital.go.jp\/assets\/contents\/node\/basic_page\/field_ref_resources\/08ed88e1-d622-43cb-900b-84957ab87826\/bf5f4482\/20251016_introduction_to_web_accessibility.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\u5f15\u7528\uff1a\u30c7\u30b8\u30bf\u30eb\u5e81\u300c\u30a6\u30a7\u30d6\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5c0e\u5165\u30ac\u30a4\u30c9\u30d6\u30c3\u30af\u300d<\/a>\n<\/blockquote>\n\n\n\n<p><\/p>\n\n\n\n<p>\u6587\u5b57\u3068\u80cc\u666f\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3092\u8abf\u6574\u3059\u308c\u3070\u3001\u8996\u899a\u969c\u5bb3\u3092\u6301\u3064\u65b9\u3060\u3051\u3067\u306a\u304f\u9ad8\u9f62\u8005\u3084\u5c4b\u5916\u5229\u7528\u6642\u306e\u53ef\u8aad\u6027\u3092\u4e0a\u3052\u308b\u52b9\u679c\u3092\u671f\u5f85\u3067\u304d\u307e\u3059\u3002\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3067\u306f\u3001\u901a\u5e38\u6587\u5b57\u30674.5:1\u4ee5\u4e0a\u3001\u5927\u304d\u306a\u6587\u5b57\u3067\u30823:1\u4ee5\u4e0a\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c\u5fc5\u9808\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ad\u30fc\u30dc\u30fc\u30c9\u64cd\u4f5c\u3060\u3051\u3067\u30b5\u30a4\u30c8\u3092\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"621\" height=\"282\" src=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-26-16.51.31.png\" alt=\"\" class=\"wp-image-17508\" style=\"width:840px;height:auto\" srcset=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-26-16.51.31.png 621w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-26-16.51.31-300x136.png 300w\" sizes=\"auto, (max-width: 621px) 100vw, 621px\" \/><\/figure>\n\n\n\n<a href=\"https:\/\/www.digital.go.jp\/assets\/contents\/node\/basic_page\/field_ref_resources\/08ed88e1-d622-43cb-900b-84957ab87826\/bf5f4482\/20251016_introduction_to_web_accessibility.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\u5f15\u7528\uff1a\u30c7\u30b8\u30bf\u30eb\u5e81\u300c\u30a6\u30a7\u30d6\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5c0e\u5165\u30ac\u30a4\u30c9\u30d6\u30c3\u30af\u300d<\/a>\n<\/blockquote>\n\n\n\n<p><\/p>\n\n\n\n<p>\u8eab\u4f53\u969c\u5bb3\u3084\u30b1\u30ac\u3067\u30de\u30a6\u30b9\u304c\u4f7f\u3048\u306a\u3044\u5229\u7528\u8005\u306e\u305f\u3081\u306b\u3001Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3067\u306f\u3001\u3059\u3079\u3066\u306e\u6a5f\u80fd\u3092\u30ad\u30fc\u30dc\u30fc\u30c9\u64cd\u4f5c\u3067\u5b8c\u7d50\u3067\u304d\u308b\u3053\u3068\u304c\u5fc5\u9808\u3067\u3059\u3002Tab\u30ad\u30fc\u3067\u9806\u5e8f\u3088\u304f\u79fb\u52d5\u3067\u304d\u3001\u73fe\u5728\u9078\u629e\u4e2d\u306e\u8981\u7d20\u304c\u67a0\u7dda\u306a\u3069\u3067\u660e\u78ba\u306b\u8868\u793a\u3055\u308c\u308bWeb\u30b5\u30a4\u30c8\u304c\u671b\u307e\u3057\u3044\u3068\u8a00\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d5\u30a9\u30fc\u30e0\u8868\u793a\u3092\u300c\u8ab0\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u5f62\u300d\u306b\u3059\u308b<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"754\" height=\"242\" src=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-26-16.51.55.png\" alt=\"\" class=\"wp-image-17505\" style=\"width:840px;height:auto\" srcset=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-26-16.51.55.png 754w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-26-16.51.55-300x96.png 300w\" sizes=\"auto, (max-width: 754px) 100vw, 754px\" \/><\/figure>\n\n\n\n<a href=\"https:\/\/www.digital.go.jp\/assets\/contents\/node\/basic_page\/field_ref_resources\/08ed88e1-d622-43cb-900b-84957ab87826\/bf5f4482\/20251016_introduction_to_web_accessibility.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\u5f15\u7528\uff1a\u30c7\u30b8\u30bf\u30eb\u5e81\u300c\u30a6\u30a7\u30d6\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5c0e\u5165\u30ac\u30a4\u30c9\u30d6\u30c3\u30af\u300d<\/a>\n<\/blockquote>\n\n\n\n<p><\/p>\n\n\n\n<p>\u30d5\u30a9\u30fc\u30e0\u3092\u8272\u3084\u4f4d\u7f6e\u3060\u3051\u3067\u793a\u3059\u3068\u3001\u591a\u304f\u306e\u5229\u7528\u8005\u306b\u4f1d\u308f\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u3069\u3053\u306b\u4f55\u304c\u3042\u308a\u3001\u3069\u306e\u3088\u3046\u306b\u5bfe\u5fdc\u3059\u308c\u3070\u3044\u3044\u306e\u304b\u3092\u660e\u78ba\u306b\u793a\u3059\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u307e\u305f\u3001\u5165\u529b\u306b\u5236\u9650\u6642\u9593\u3092\u8a2d\u3051\u308b\u5834\u5408\u306f\u4e8b\u524d\u901a\u77e5\u3084\u5ef6\u9577\u624b\u6bb5\u3092\u7528\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3092\u6539\u5584\u3059\u308b\u304a\u3059\u3059\u3081\u30c1\u30a7\u30c3\u30af\u30c4\u30fc\u30eb\u4e00\u89a7<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_124399148_M-1024x683.jpg\" alt=\"\" class=\"wp-image-17497\" srcset=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_124399148_M-1024x683.jpg 1024w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_124399148_M-300x200.jpg 300w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_124399148_M-768x512.jpg 768w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_124399148_M-1536x1025.jpg 1536w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_124399148_M.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u6539\u5584\u3084\u30c1\u30a7\u30c3\u30af\u3092\u4eba\u529b\u3060\u3051\u3067\u5bfe\u5fdc\u3057\u305f\u5834\u5408\u3001\u6539\u5584\u4e0d\u8db3\u306b\u3064\u306a\u304c\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u30df\u30b9\u9632\u6b62\u306b\u5f79\u7acb\u3064\u306e\u304c\u3001Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u5bfe\u5fdc\u72b6\u6cc1\u3092\u30c1\u30a7\u30c3\u30af\u3067\u304d\u308b\u6b21\u306e\u3088\u3046\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lighthouse\uff08Google\uff09<\/li>\n\n\n\n<li>axe DevTools<\/li>\n\n\n\n<li>WAVE<\/li>\n\n\n\n<li>NVDA\uff08\u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306f\u56fd\u969b\u6a19\u6e96\u306e\u6e96\u62e0\u306b\u5f37\u3044\u30c4\u30fc\u30eb\u3067\u3042\u308b\u305f\u3081\u3001\u5bfe\u5fdc\u5f8c\u306e\u6700\u521d\u306e\u30c1\u30a7\u30c3\u30af\u306b\u6700\u9069\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3092\u6539\u5584\u3057\u305f\u4f01\u696d\u30fb\u884c\u653f\u4e8b\u4f8b<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_9486014_M-1024x682.jpg\" alt=\"\" class=\"wp-image-17401\" srcset=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_9486014_M-1024x682.jpg 1024w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_9486014_M-300x200.jpg 300w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_9486014_M-768x512.jpg 768w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_9486014_M-1536x1024.jpg 1536w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_9486014_M.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306f\u3001\u7d99\u7d9a\u7684\u306a\u904b\u7528\u3068\u7d44\u7e54\u7684\u306a\u53d6\u308a\u7d44\u307f\u306b\u3088\u3063\u3066\u6210\u679c\u304c\u51fa\u308b\u5206\u91ce\u3067\u3059\u3002\u6539\u5584\u306b\u53d6\u308a\u7d44\u3080\u4f01\u696d\u3084\u884c\u653f\u306e\u4f8b\u3092\u6574\u7406\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u30ab\u30c6\u30b4\u30ea<\/td><td>\u6539\u5584\u3057\u305fWeb\u30b5\u30a4\u30c8<\/td><td>\u52b9\u679c<\/td><\/tr><tr><td rowspan=\"2\">\u884c\u653f\u30fb\u81ea\u6cbb\u4f53<\/td><td>\u5bae\u57ce\u770c<\/td><td>\u770c\u653f\u60c5\u5831\u3068\u9b45\u529b\u60c5\u5831\u306e\u30da\u30fc\u30b8\u3092\u5206\u96e2\u3057\u3001\u5c0e\u7dda\u3084UI\/UX\u3092\u6539\u5584<\/td><\/tr><tr><td>\u6771\u4eac\u90fd\u76ee\u9ed2\u533a<\/td><td>\u69cb\u9020\u5316\u30fb\u591a\u8a00\u8a9e\u30fb\u8077\u54e1\u7814\u4fee\u3067AA\u6e96\u62e0\u3092\u9054\u6210<\/td><\/tr><tr><td rowspan=\"2\">\u4f01\u696d<\/td><td>A\u793e\uff08\u91d1\u878d\u7cfb\uff09<\/td><td>\u97f3\u58f0\u30fb\u30ad\u30fc\u30dc\u30fc\u30c9\u5bfe\u5fdc\u3067\u9069\u5408\u30ec\u30d9\u30ebAA\u4e00\u90e8\u6e96\u62e0\u3092\u9054\u6210<\/td><\/tr><tr><td>B\u793e\uff08\u88fd\u9020\u7cfb\uff09<\/td><td>UI\/UX\u306e\u518d\u69cb\u7bc9\u3084\u691c\u7d22\u6539\u5584\u3067\u5546\u54c1\u691c\u7d22\u306e\u52b9\u7387\u5316\u3092\u5b9f\u73fe<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5404\u4e8b\u4f8b\u306b\u5171\u901a\u3059\u308b\u306e\u306f\u3001\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u6574\u5099\u3084\u8077\u54e1\u6559\u80b2\u3092\u542b\u3081\u305f\u4f53\u5236\u3065\u304f\u308a\u3092\u884c\u3063\u3066\u3044\u308b\u70b9\u3067\u3059\u3002Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306f\u4e00\u5ea6\u5bfe\u5fdc\u3057\u3066\u7d42\u308f\u308a\u3067\u306f\u306a\u304f\u3001\u904b\u7528\u3057\u7d9a\u3051\u308b\u3053\u3068\u304c\u6210\u529f\u306e\u53ef\u80fd\u6027\u3092\u9ad8\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6b63\u78ba\u305d\u3057\u3066\u52b9\u7387\u7684\u306bWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3078\u306e\u5bfe\u5fdc\u72b6\u6cc1\u3092\u8a3a\u65ad\u3057\u305f\u3044\u306a\u3089<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"656\" height=\"391\" src=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/customer_sp-1.png\" alt=\"\" class=\"wp-image-17388\" style=\"width:840px;height:auto\" srcset=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/customer_sp-1.png 656w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/customer_sp-1-300x179.png 300w\" sizes=\"auto, (max-width: 656px) 100vw, 656px\" \/><\/figure>\n\n\n\n<p>Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u5bfe\u5fdc\u72b6\u6cc1\u3092\u78ba\u8a8d\u3067\u304d\u308b\u30c4\u30fc\u30eb\u306b\u3088\u308b\u81ea\u52d5\u30c1\u30a7\u30c3\u30af\u306f\u3001\u5168\u4f53\u306e3\u301c4\u5272\u7a0b\u5ea6\u3057\u304b\u691c\u51fa\u3067\u304d\u306a\u3044\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u56fd\u5185\u898f\u683c\u3067\u3042\u308b\u300cJIS X 8341-3:2016\u300d\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u3068\u3044\u3046\u5f31\u307f\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3053\u3067\u56fd\u5185\u4f01\u696d\u306b\u304a\u3059\u3059\u3081\u306a\u306e\u304c\u300c<a href=\"https:\/\/www.spiral-platform.co.jp\/service\/isso\/\">Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u8a3a\u65ad\u30fbUI\u691c\u8a3c\u30c4\u30fc\u30eb SPIRAL ISSO<\/a>\u300d\u3067\u3059\u3002\u81a8\u5927\u306a\u30c1\u30a7\u30c3\u30af\u4f5c\u696d\u3092\u4e00\u6383\u3067\u304d\u308b\u4fbf\u5229\u30c4\u30fc\u30eb\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b5\u30fc\u30d3\u30b9\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u8208\u5473\u306e\u3042\u308b\u65b9\u306f\u305c\u3072\u304a\u6c17\u8efd\u306b\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\u3002<br><a href=\"https:\/\/www.pi-pe.co.jp\/regist\/is?SMPFORM=man-mcsepb-0e06c81b1a06832e44b64b391bc18b71&amp;f000099824=https:\/\/www.spiral-platform.co.jp\/article\/isso\/14679\/\">\u30b5\u30fc\u30d3\u30b9\u306b\u95a2\u3059\u308b\u304a\u554f\u3044\u5408\u308f\u305b\u306f\u3053\u3061\u3089&gt;&gt;<br><\/a><a href=\"https:\/\/www.spiral-platform.co.jp\/materials\/isso\/?f002709542=https:\/\/www.spiral-platform.co.jp\/article\/isso\/14679\/\">\u30b5\u30fc\u30d3\u30b9\u8cc7\u6599\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306f\u3053\u3061\u3089&gt;&gt;<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3078\u306e\u5bfe\u5fdc\u306f\u3001\u5358\u306a\u308b\u6280\u8853\u5bfe\u7b56\u3067\u306f\u306a\u304f\u3001\u8ab0\u306b\u5bfe\u3057\u3066\u3082\u60c5\u5831\u3092\u6b63\u3057\u304f\u5c4a\u3051\u3088\u3046\u3068\u3059\u308b\u4f01\u696d\u59ff\u52e2\u305d\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>WCAG\u3084JIS X 8341-3\u3068\u3044\u3063\u305f\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3082\u3061\u308d\u3093\u3001\u6bb5\u968e\u7684\u306b\u6539\u5584\u3092\u9032\u3081\u308b\u3053\u3068\u3067\u3001\u6cd5\u5236\u5ea6\u3078\u306e\u5099\u3048\u3060\u3051\u3067\u306a\u304f\u3001\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u3084\u30d6\u30e9\u30f3\u30c9\u4fe1\u983c\u306e\u5411\u4e0a\u306b\u3082\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3053\u3067\u307e\u305a\u5b9f\u65bd\u3057\u305f\u3044\u306e\u304c\u3001\u81ea\u793e\u30b5\u30a4\u30c8\u306e\u73fe\u72b6\u3092\u628a\u63e1\u3057\u3001\u300c\u5fc5\u9808\u9805\u76ee\u304b\u3089\u7740\u5b9f\u306b\u5bfe\u5fdc\u3067\u304d\u3066\u3044\u308b\u304b\u300d\u300c\u5229\u7528\u8005\u306e\u7acb\u5834\u3067\u672c\u5f53\u306b\u4f7f\u3044\u3084\u3059\u3044\u304b\u300d\u3092\u898b\u76f4\u3057\u3066\u3044\u304f\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p>Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u5bfe\u5fdc\u72b6\u6cc1\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3082\u3001\u3053\u306e\u6a5f\u4f1a\u306b\u30c1\u30a7\u30c3\u30af\u30c4\u30fc\u30eb\u306a\u3069\u3092\u6d3b\u7528\u3057\u3066\u307f\u3066\u306f\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u30012025\u5e74\u6700\u65b0\u306eWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff08WCAG2.2\u30fbJIS X 8341-3\uff09\u306b\u3064\u3044\u3066\u521d\u5fc3\u8005\u5411\u3051\u306b\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u7fa9\u52d9\u5316\u306e\u6d41\u308c\u3084WCAG\u306e4\u539f\u5247\u3001\u4f01\u696d\u304c\u53d6\u308a\u7d44\u3080\u3079\u304d\u6539\u5584\u30dd\u30a4\u30f3\u30c84\u3064\u3001\u30c1\u30a7\u30c3\u30af\u30c4<a href=\"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/\">[&#8230;\u7d9a\u304d\u3092\u8aad\u3080]<\/a><\/p>\n","protected":false},"author":23,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[88],"tags":[],"class_list":["post-17520","post","type-post","status-publish","format-standard","hentry","category-web-accessibility"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3 \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u306f\uff1f\u4f01\u696d\u5411\u3051\u306e\u6539\u5584\u30dd\u30a4\u30f3\u30c8 | \u30b9\u30d1\u30a4\u30e9\u30eb\u682a\u5f0f\u4f1a\u793e<\/title>\n<meta name=\"description\" content=\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u30012025\u5e74\u6700\u65b0\u306eWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff08WCAG2.2\u30fbJIS X\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3 \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u306f\uff1f\u4f01\u696d\u5411\u3051\u306e\u6539\u5584\u30dd\u30a4\u30f3\u30c8 | \u30b9\u30d1\u30a4\u30e9\u30eb\u682a\u5f0f\u4f1a\u793e\" \/>\n<meta property=\"og:description\" content=\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u30012025\u5e74\u6700\u65b0\u306eWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff08WCAG2.2\u30fbJIS X\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/\" \/>\n<meta property=\"og:site_name\" content=\"\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u8a18\u4e8b\u30b5\u30a4\u30c8\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-09T05:54:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-09T05:54:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_21762792_M.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1123\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"\u30b9\u30d1\u30a4\u30e9\u30eb\u7de8\u96c6\u90e8\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u30b9\u30d1\u30a4\u30e9\u30eb\u7de8\u96c6\u90e8\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"16\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/web-accessibility\\\/14679\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/web-accessibility\\\/14679\\\/\"},\"author\":{\"name\":\"\u30b9\u30d1\u30a4\u30e9\u30eb\u7de8\u96c6\u90e8\",\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/#\\\/schema\\\/person\\\/9df9a0f0a5feda64dfd6d8eff7793113\"},\"headline\":\"Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3 \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u306f\uff1f\u4f01\u696d\u5411\u3051\u306e\u6539\u5584\u30dd\u30a4\u30f3\u30c8\",\"datePublished\":\"2026-02-09T05:54:26+00:00\",\"dateModified\":\"2026-02-09T05:54:28+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/web-accessibility\\\/14679\\\/\"},\"wordCount\":179,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/web-accessibility\\\/14679\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2026\\\/01\\\/pixta_21762792_M-1024x575.jpg\",\"articleSection\":[\"Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\"],\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/web-accessibility\\\/14679\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/web-accessibility\\\/14679\\\/\",\"url\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/web-accessibility\\\/14679\\\/\",\"name\":\"Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3 \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u306f\uff1f\u4f01\u696d\u5411\u3051\u306e\u6539\u5584\u30dd\u30a4\u30f3\u30c8 | \u30b9\u30d1\u30a4\u30e9\u30eb\u682a\u5f0f\u4f1a\u793e\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/web-accessibility\\\/14679\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/web-accessibility\\\/14679\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2026\\\/01\\\/pixta_21762792_M-1024x575.jpg\",\"datePublished\":\"2026-02-09T05:54:26+00:00\",\"dateModified\":\"2026-02-09T05:54:28+00:00\",\"description\":\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u30012025\u5e74\u6700\u65b0\u306eWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff08WCAG2.2\u30fbJIS X\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/web-accessibility\\\/14679\\\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/web-accessibility\\\/14679\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/web-accessibility\\\/14679\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2026\\\/01\\\/pixta_21762792_M.jpg\",\"contentUrl\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2026\\\/01\\\/pixta_21762792_M.jpg\",\"width\":2000,\"height\":1123,\"caption\":\"File Folder Labeled as Guidelines in Multicolor Archive. Closeup View. Blurred Image. 3D Render.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/web-accessibility\\\/14679\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u30b9\u30d1\u30a4\u30e9\u30eb\u682a\u5f0f\u4f1a\u793e\",\"item\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/\"},{\"@type\":\"ListItem\",\"name\":\"\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u8a18\u4e8b\u30b5\u30a4\u30c8\",\"position\":2,\"item\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\",\"item\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/category\\\/web-accessibility\\\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3 \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u306f\uff1f\u4f01\u696d\u5411\u3051\u306e\u6539\u5584\u30dd\u30a4\u30f3\u30c8\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/#website\",\"url\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/\",\"name\":\"\u30b9\u30d1\u30a4\u30e9\u30eb\u682a\u5f0f\u4f1a\u793e\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/#organization\",\"name\":\"\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u8a18\u4e8b\u30b5\u30a4\u30c8\",\"url\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2025\\\/06\\\/ogp_logo_spiralinc.png\",\"contentUrl\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2025\\\/06\\\/ogp_logo_spiralinc.png\",\"width\":1200,\"height\":630,\"caption\":\"\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u8a18\u4e8b\u30b5\u30a4\u30c8\"},\"image\":{\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/#\\\/schema\\\/person\\\/9df9a0f0a5feda64dfd6d8eff7793113\",\"name\":\"\u30b9\u30d1\u30a4\u30e9\u30eb\u7de8\u96c6\u90e8\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/06bebc1afdc149dd7b2ad3be26df112b03abbb3ff13c5ac87b09858617fad682?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/06bebc1afdc149dd7b2ad3be26df112b03abbb3ff13c5ac87b09858617fad682?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/06bebc1afdc149dd7b2ad3be26df112b03abbb3ff13c5ac87b09858617fad682?s=96&d=mm&r=g\",\"caption\":\"\u30b9\u30d1\u30a4\u30e9\u30eb\u7de8\u96c6\u90e8\"},\"url\":\"https:\\\/\\\/www.spiral-platform.co.jp\\\/article\\\/author\\\/p_susa\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3 \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u306f\uff1f\u4f01\u696d\u5411\u3051\u306e\u6539\u5584\u30dd\u30a4\u30f3\u30c8 | \u30b9\u30d1\u30a4\u30e9\u30eb\u682a\u5f0f\u4f1a\u793e","description":"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u30012025\u5e74\u6700\u65b0\u306eWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff08WCAG2.2\u30fbJIS X","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/","og_locale":"ja_JP","og_type":"article","og_title":"Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3 \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u306f\uff1f\u4f01\u696d\u5411\u3051\u306e\u6539\u5584\u30dd\u30a4\u30f3\u30c8 | \u30b9\u30d1\u30a4\u30e9\u30eb\u682a\u5f0f\u4f1a\u793e","og_description":"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u30012025\u5e74\u6700\u65b0\u306eWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff08WCAG2.2\u30fbJIS X","og_url":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/","og_site_name":"\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u8a18\u4e8b\u30b5\u30a4\u30c8","article_published_time":"2026-02-09T05:54:26+00:00","article_modified_time":"2026-02-09T05:54:28+00:00","og_image":[{"width":2000,"height":1123,"url":"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_21762792_M.jpg","type":"image\/jpeg"}],"author":"\u30b9\u30d1\u30a4\u30e9\u30eb\u7de8\u96c6\u90e8","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u30b9\u30d1\u30a4\u30e9\u30eb\u7de8\u96c6\u90e8","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"16\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/#article","isPartOf":{"@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/"},"author":{"name":"\u30b9\u30d1\u30a4\u30e9\u30eb\u7de8\u96c6\u90e8","@id":"https:\/\/www.spiral-platform.co.jp\/article\/#\/schema\/person\/9df9a0f0a5feda64dfd6d8eff7793113"},"headline":"Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3 \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u306f\uff1f\u4f01\u696d\u5411\u3051\u306e\u6539\u5584\u30dd\u30a4\u30f3\u30c8","datePublished":"2026-02-09T05:54:26+00:00","dateModified":"2026-02-09T05:54:28+00:00","mainEntityOfPage":{"@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/"},"wordCount":179,"commentCount":0,"publisher":{"@id":"https:\/\/www.spiral-platform.co.jp\/article\/#organization"},"image":{"@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/#primaryimage"},"thumbnailUrl":"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_21762792_M-1024x575.jpg","articleSection":["Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3"],"inLanguage":"ja","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/","url":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/","name":"Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3 \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u306f\uff1f\u4f01\u696d\u5411\u3051\u306e\u6539\u5584\u30dd\u30a4\u30f3\u30c8 | \u30b9\u30d1\u30a4\u30e9\u30eb\u682a\u5f0f\u4f1a\u793e","isPartOf":{"@id":"https:\/\/www.spiral-platform.co.jp\/article\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/#primaryimage"},"image":{"@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/#primaryimage"},"thumbnailUrl":"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_21762792_M-1024x575.jpg","datePublished":"2026-02-09T05:54:26+00:00","dateModified":"2026-02-09T05:54:28+00:00","description":"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u30012025\u5e74\u6700\u65b0\u306eWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff08WCAG2.2\u30fbJIS X","breadcrumb":{"@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/#primaryimage","url":"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_21762792_M.jpg","contentUrl":"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_21762792_M.jpg","width":2000,"height":1123,"caption":"File Folder Labeled as Guidelines in Multicolor Archive. Closeup View. Blurred Image. 3D Render."},{"@type":"BreadcrumbList","@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14679\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u30b9\u30d1\u30a4\u30e9\u30eb\u682a\u5f0f\u4f1a\u793e","item":"https:\/\/www.spiral-platform.co.jp\/"},{"@type":"ListItem","name":"\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u8a18\u4e8b\u30b5\u30a4\u30c8","position":2,"item":"https:\/\/www.spiral-platform.co.jp\/article\/"},{"@type":"ListItem","position":3,"name":"Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3","item":"https:\/\/www.spiral-platform.co.jp\/article\/category\/web-accessibility\/"},{"@type":"ListItem","position":4,"name":"Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3 \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u306f\uff1f\u4f01\u696d\u5411\u3051\u306e\u6539\u5584\u30dd\u30a4\u30f3\u30c8"}]},{"@type":"WebSite","@id":"https:\/\/www.spiral-platform.co.jp\/article\/#website","url":"https:\/\/www.spiral-platform.co.jp\/article\/","name":"\u30b9\u30d1\u30a4\u30e9\u30eb\u682a\u5f0f\u4f1a\u793e","description":"","publisher":{"@id":"https:\/\/www.spiral-platform.co.jp\/article\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.spiral-platform.co.jp\/article\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Organization","@id":"https:\/\/www.spiral-platform.co.jp\/article\/#organization","name":"\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u8a18\u4e8b\u30b5\u30a4\u30c8","url":"https:\/\/www.spiral-platform.co.jp\/article\/","logo":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.spiral-platform.co.jp\/article\/#\/schema\/logo\/image\/","url":"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2025\/06\/ogp_logo_spiralinc.png","contentUrl":"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2025\/06\/ogp_logo_spiralinc.png","width":1200,"height":630,"caption":"\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u8a18\u4e8b\u30b5\u30a4\u30c8"},"image":{"@id":"https:\/\/www.spiral-platform.co.jp\/article\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.spiral-platform.co.jp\/article\/#\/schema\/person\/9df9a0f0a5feda64dfd6d8eff7793113","name":"\u30b9\u30d1\u30a4\u30e9\u30eb\u7de8\u96c6\u90e8","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/secure.gravatar.com\/avatar\/06bebc1afdc149dd7b2ad3be26df112b03abbb3ff13c5ac87b09858617fad682?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/06bebc1afdc149dd7b2ad3be26df112b03abbb3ff13c5ac87b09858617fad682?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/06bebc1afdc149dd7b2ad3be26df112b03abbb3ff13c5ac87b09858617fad682?s=96&d=mm&r=g","caption":"\u30b9\u30d1\u30a4\u30e9\u30eb\u7de8\u96c6\u90e8"},"url":"https:\/\/www.spiral-platform.co.jp\/article\/author\/p_susa\/"}]}},"_links":{"self":[{"href":"https:\/\/www.spiral-platform.co.jp\/article\/wp-json\/wp\/v2\/posts\/17520","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.spiral-platform.co.jp\/article\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.spiral-platform.co.jp\/article\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.spiral-platform.co.jp\/article\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/www.spiral-platform.co.jp\/article\/wp-json\/wp\/v2\/comments?post=17520"}],"version-history":[{"count":9,"href":"https:\/\/www.spiral-platform.co.jp\/article\/wp-json\/wp\/v2\/posts\/17520\/revisions"}],"predecessor-version":[{"id":17608,"href":"https:\/\/www.spiral-platform.co.jp\/article\/wp-json\/wp\/v2\/posts\/17520\/revisions\/17608"}],"wp:attachment":[{"href":"https:\/\/www.spiral-platform.co.jp\/article\/wp-json\/wp\/v2\/media?parent=17520"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.spiral-platform.co.jp\/article\/wp-json\/wp\/v2\/categories?post=17520"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.spiral-platform.co.jp\/article\/wp-json\/wp\/v2\/tags?post=17520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}