{"id":17620,"date":"2026-02-06T12:03:17","date_gmt":"2026-02-06T03:03:17","guid":{"rendered":"https:\/\/www.spiral-platform.co.jp\/article\/?p=17620"},"modified":"2026-02-13T13:42:54","modified_gmt":"2026-02-13T04:42:54","slug":"14869","status":"publish","type":"post","link":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/","title":{"rendered":"Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\uff1f\u57fa\u790e\u3084\u6539\u5584\u70b9\u3082\u89e3\u8aac"},"content":{"rendered":"\n<p>Web\u30b5\u30a4\u30c8\u3092\u904b\u55b6\u3059\u308b\u306a\u304b\u3067\u300c\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\u306a\u306b\uff1f\u300d\u300c\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u304c\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u308f\u304b\u3089\u306a\u3044\u300d\u3068\u60a9\u3093\u3067\u3044\u308b\u65b9\u3082\u3044\u308b\u3067\u3057\u3087\u3046\u3002Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3067\u306f\u3001\u9069\u5207\u306a\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306e\u78ba\u4fdd\u304c\u91cd\u8981\u306a\u8981\u7d20\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306e\u57fa\u6e96\u3084\u6539\u5584\u306e\u30dd\u30a4\u30f3\u30c8\u3001\u3088\u304f\u3042\u308b\u5931\u6557\u4e8b\u4f8b\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\uff1f<\/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_107952932_M-1024x682.jpg\" alt=\"\" class=\"wp-image-17613\" srcset=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_107952932_M-1024x682.jpg 1024w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_107952932_M-300x200.jpg 300w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_107952932_M-768x512.jpg 768w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_107952932_M-1536x1024.jpg 1536w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_107952932_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\u306b\u304a\u3051\u308b\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\u3001\u6587\u5b57\u8272\u3068\u80cc\u666f\u8272\u306e\u660e\u308b\u3055\u306e\u5dee\u3092\u6570\u5024\u3067\u8868\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u767d\u3044\u80cc\u666f\u306b\u9ed2\u3044\u6587\u5b57\u3092\u4f7f\u3046\u5834\u5408\u306f\u660e\u6697\u306e\u5dee\u304c\u5927\u304d\u3044\u305f\u3081\u3001\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c\u9ad8\u304f\u6587\u5b57\u304c\u306f\u3063\u304d\u308a\u3068\u898b\u3048\u307e\u3059\u3002\u9006\u306b\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c\u4f4e\u3044\u3068\u3001\u5883\u754c\u304c\u307c\u3084\u3051\u3066\u6587\u5b57\u304c\u8aad\u307f\u306b\u304f\u304f\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306f1:1(\u5dee\u304c\u306a\u3044\u72b6\u614b)\u304b\u308921:1\uff08\u6700\u5927\u306e\u5dee\u304c\u3042\u308b\u72b6\u614b\uff09\u307e\u3067\u306e\u7bc4\u56f2\u3067\u793a\u3055\u308c\u3001\u5024\u304c\u9ad8\u3044\u307b\u3069\u8996\u8a8d\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u969b\u306b\u3001\u56fd\u969b\u7684\u306aWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u57fa\u6e96\u3067\u3042\u308b\u300cWCAG\uff08\u30a6\u30a7\u30d6\u30b3\u30f3\u30c6\u30f3\u30c4\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff09\u300d\u3067\u306f\u3001\u901a\u5e38\u30b5\u30a4\u30ba\u306e\u6587\u5b57\u306b\u5bfe\u3057\u3066\u6700\u4f4e\u3067\u30824.5:1\u4ee5\u4e0a\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3092\u4fdd\u3064\u3088\u3046\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\uff08\u203b1\uff09\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u57fa\u6e96\u3092\u6e80\u305f\u305b\u3070\u3001\u8996\u529b\u304c\u5f31\u3044\u65b9\u3084\u8272\u899a\u306b\u7279\u6027\u306e\u3042\u308b\u65b9\u3001\u9ad8\u9f62\u8005\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u72b6\u6cc1\u306e\u4eba\u304cWeb\u30b5\u30a4\u30c8\u306e\u5185\u5bb9\u3092\u8aad\u307f\u53d6\u308a\u3084\u3059\u304f\u306a\u308b\u306e\u3067\u3059\u3002\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306e\u78ba\u4fdd\u306f\u3001\u3059\u3079\u3066\u306e\u4eba\u306b\u4f7f\u3044\u3084\u3059\u3044Web\u30b5\u30a4\u30c8\u3092\u4f5c\u308b\u305f\u3081\u306b\u6b20\u304b\u305b\u306a\u3044\u8981\u7d20\u3068\u3044\u3048\u307e\u3059\u3002<\/p>\n\n\n\n\uff08\u203b1\uff09\u51fa\u5178\uff1a<a href=\"https:\/\/waic.jp\/translations\/WCAG21\/Understanding\/contrast-minimum.html#:~:text=%E9%81%94%E6%88%90%E5%9F%BA%E6%BA%96%201.4.3%20%E3%82%B3%E3%83%B3%E3%83%88%E3%83%A9%E3%82%B9%E3%83%88%20(%E6%9C%80%E4%BD%8E%E9%99%90)%20(%E3%83%AC%E3%83%99%E3%83%AB%20AA)%3A%20%E3%83%86%E3%82%AD%E3%82%B9%E3%83%88%E5%8F%8A%E3%81%B3%E6%96%87%E5%AD%97%E7%94%BB%E5%83%8F%E3%81%AE%E8%A6%96%E8%A6%9A%E7%9A%84%E6%8F%90%E7%A4%BA%E3%81%AB%E3%80%81%E5%B0%91%E3%81%AA%E3%81%8F%E3%81%A8%E3%82%82%204.5%3A1%20%E3%81%AE%E3%82%B3%E3%83%B3%E3%83%88%E3%83%A9%E3%82%B9%E3%83%88%E6%AF%94%E3%81%8C%E3%81%82%E3%82%8B%E3%80%82\" target=\"_blank\" rel=\"noopener noreferrer\">\u30a6\u30a7\u30d6\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u57fa\u76e4\u59d4\u54e1\u4f1a (WAIC) \u300c\u9054\u6210\u57fa\u6e96 1.4.3: \u30b3\u30f3\u30c8\u30e9\u30b9\u30c8 (\u6700\u4f4e\u9650)\u3092\u7406\u89e3\u3059\u308b\u300d<\/a>\n\n\n\n<h2 class=\"wp-block-heading\">Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3067\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c\u91cd\u8981\u306a3\u3064\u306e\u7406\u7531<\/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_124498865_M-1024x682.jpg\" alt=\"\" class=\"wp-image-17612\" srcset=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_124498865_M-1024x682.jpg 1024w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_124498865_M-300x200.jpg 300w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_124498865_M-768x512.jpg 768w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_124498865_M-1536x1024.jpg 1536w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_124498865_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\u3067\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c\u91cd\u8981\u306a\u7406\u7531\u3068\u3057\u3066\u3001\u4e3b\u306b\u4ee5\u4e0b\u306e3\u3064\u304c\u3042\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8996\u899a\u969c\u5bb3\u8005\u3084\u9ad8\u9f62\u8005\u304c\u5feb\u9069\u306b\u60c5\u5831\u3092\u8aad\u307f\u53d6\u308c\u308b\u74b0\u5883\u3092\u63d0\u4f9b\u3067\u304d\u308b<\/li>\n\n\n\n<li>\u30e6\u30fc\u30b6\u30fc\u306e\u96e2\u8131\u7387\u3092\u4f4e\u6e1b\u3057\u30b5\u30a4\u30c8\u306e\u4f7f\u3044\u3084\u3059\u3055\u304c\u5411\u4e0a\u3059\u308b<\/li>\n\n\n\n<li>\u4f01\u696d\u306e\u793e\u4f1a\u7684\u8cac\u4efb\u3092\u793a\u3057\u30d6\u30e9\u30f3\u30c9\u4fa1\u5024\u3092\u9ad8\u3081\u3089\u308c\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u9806\u756a\u306b\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7406\u75311\uff1a\u8996\u899a\u969c\u5bb3\u8005\u3084\u9ad8\u9f62\u8005\u304c\u5feb\u9069\u306b\u60c5\u5831\u3092\u8aad\u307f\u53d6\u308c\u308b\u74b0\u5883\u3092\u63d0\u4f9b\u3067\u304d\u308b<\/h3>\n\n\n\n<p>\u9069\u5207\u306a\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306e\u78ba\u4fdd\u306f\u3001\u8996\u899a\u306b\u969c\u5bb3\u304c\u3042\u308b\u4eba\u3084\u9ad8\u9f62\u8005\u306b\u3068\u3063\u3066\u6b20\u304b\u305b\u306a\u3044\u914d\u616e\u3067\u3059\u3002WCAG\u57fa\u6e96\u304c\u63a8\u5968\u3059\u308b4.5:1\u4ee5\u4e0a\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306f\u3001\u4e2d\u5ea6\u306e\u30ed\u30fc\u30d3\u30b8\u30e7\u30f3\uff08\u898b\u3048\u306b\u304f\u3055\u3084\u7729\u3057\u3055\u3092\u611f\u3058\u308b\u72b6\u614b\uff09\u306e\u4eba\u304c\u65e5\u5e38\u751f\u6d3b\u3067\u4e0d\u81ea\u7531\u306a\u304f\u60c5\u5831\u3092\u8aad\u307f\u53d6\u308c\u308b\u6c34\u6e96\u3068\u3057\u3066\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3055\u3089\u306b\u30012024\u5e744\u6708\u304b\u3089\u65bd\u884c\u3055\u308c\u305f\u6539\u6b63\u969c\u5bb3\u8005\u5dee\u5225\u89e3\u6d88\u6cd5\u306b\u3088\u308a\u3001\u4e8b\u696d\u8005\u306b\u306f\u300c\u793e\u4f1a\u7684\u969c\u58c1\u306e\u9664\u53bb\u306e\u5b9f\u65bd\u306b\u3064\u3044\u3066\u5fc5\u8981\u304b\u3064\u5408\u7406\u7684\u306a\u914d\u616e\u300d\u304c\u7fa9\u52d9\u3065\u3051\u3089\u308c\u307e\u3057\u305f\uff08\u203b2\uff09\u3002\u3053\u306e\u6cd5\u6539\u6b63\u306b\u3088\u3063\u3066\u3001Web\u30b5\u30a4\u30c8\u306e\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5bfe\u5fdc\u306f\u52aa\u529b\u7fa9\u52d9\u3068\u3057\u3066\u4f4d\u7f6e\u3065\u3051\u3089\u308c\u3001\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306e\u78ba\u4fdd\u306f\u6cd5\u7684\u306a\u89b3\u70b9\u304b\u3089\u3082\u91cd\u8981\u6027\u304c\u5897\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n\uff08\u203b2\uff09\u51fa\u5178\uff1a<a href=\"https:\/\/www.cao.go.jp\/press\/new_wave\/20240520.html\" target=\"_blank\" rel=\"noopener noreferrer\">\u5185\u95a3\u5e9c\u30db\u30fc\u30e0\u307a\u30fc\u30b8\u300c\u6539\u6b63\u969c\u5bb3\u8005\u5dee\u5225\u89e3\u6d88\u6cd5\u304c\u65bd\u884c\u3055\u308c\u307e\u3057\u305f\u300d<\/a>\n\n\n\n<h3 class=\"wp-block-heading\">\u7406\u75312\uff1a\u30e6\u30fc\u30b6\u30fc\u306e\u96e2\u8131\u7387\u3092\u4f4e\u6e1b\u3057\u30b5\u30a4\u30c8\u306e\u4f7f\u3044\u3084\u3059\u3055\u304c\u5411\u4e0a\u3059\u308b<\/h3>\n\n\n\n<p>\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3092\u6539\u5584\u3059\u308b\u3068\u3001\u8996\u899a\u969c\u5bb3\u306e\u6709\u7121\u306b\u304b\u304b\u308f\u3089\u305a\u3001\u5168\u30e6\u30fc\u30b6\u30fc\u306e\u5229\u4fbf\u6027\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8aad\u307f\u3065\u3089\u3055\u304c\u89e3\u6d88\u3055\u308c\u308b\u3068\u3001\u96e2\u8131\u7387\u304c\u4f4e\u4e0b<\/li>\n\n\n\n<li>\u30dc\u30bf\u30f3\u306e\u8996\u8a8d\u6027\u304c\u5411\u4e0a\u3059\u308b\u3068\u30af\u30ea\u30c3\u30af\u7387\u304c\u6539\u5584<\/li>\n\n\n\n<li>\u30d5\u30a9\u30fc\u30e0\u304c\u8aad\u307f\u3084\u3059\u304f\u306a\u308b\u3068\u30b3\u30f3\u30d0\u30fc\u30b8\u30e7\u30f3\u7387\u304c\u5411\u4e0a\u3059\u308b<br><br>\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u30e1\u30ea\u30c3\u30c8\u3082\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u96e2\u8131\u7387\u306fWeb\u30b5\u30a4\u30c8\u306e\u91cd\u8981\u306a\u8a55\u4fa1\u6307\u6a19\u3067\u3042\u308a\u3001\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306e\u6700\u9069\u5316\u306f\u6307\u6a19\u6539\u5584\u306e\u305f\u3081\u306e\u65bd\u7b56\u3068\u3057\u3066\u3082\u52b9\u679c\u7684\u306a\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7406\u75313\uff1a\u4f01\u696d\u306e\u793e\u4f1a\u7684\u8cac\u4efb\u3092\u793a\u3057\u30d6\u30e9\u30f3\u30c9\u4fa1\u5024\u3092\u9ad8\u3081\u3089\u308c\u308b<\/h3>\n\n\n\n<p>\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3078\u306e\u914d\u616e\u306f\u3001\u4f01\u696d\u306e\u502b\u7406\u89b3\u3084\u4fa1\u5024\u89b3\u3092\u793a\u3059\u6307\u6a19\u3067\u3082\u3042\u308a\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306b\u914d\u616e\u3059\u308b\u53d6\u308a\u7d44\u307f\u3092\u884c\u3046\u3068\u3001\u4f01\u696d\u306e\u30d6\u30e9\u30f3\u30c9\u30a4\u30e1\u30fc\u30b8\u304c\u5411\u4e0a\u3057\u3001\u793e\u4f1a\u7684\u8cac\u4efb\u3092\u679c\u305f\u3057\u3066\u3044\u308b\u59ff\u52e2\u3082\u793a\u305b\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u307e\u305fWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3092\u8003\u616e\u3057\u305fWeb\u30b5\u30a4\u30c8\u306f\u3001\u4f7f\u3044\u3084\u3059\u3055\u3084\u898b\u3084\u3059\u3055\u304c\u3042\u308b\u305f\u3081\u300c\u8ab0\u3082\u304c\u5229\u7528\u3057\u3084\u3059\u3044\u300d\u3068\u3044\u3046\u5370\u8c61\u3092\u4e0e\u3048\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306bWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3078\u306e\u5bfe\u5fdc\u306f\u3001\u6cd5\u7684\u30ea\u30b9\u30af\u306e\u56de\u907f\u3060\u3051\u3067\u306a\u304f\u3001\u4f01\u696d\u306e\u793e\u4f1a\u7684\u8a55\u4fa1\u5411\u4e0a\u306b\u3082\u76f4\u7d50\u3059\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">WCAG\u57fa\u6e96\u3067\u6c42\u3081\u3089\u308c\u308b\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306e2\u3064\u306e\u6570\u5024\u30ec\u30d9\u30eb<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_126008551_M-1024x576.jpg\" alt=\"\" class=\"wp-image-17618\" srcset=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_126008551_M-1024x576.jpg 1024w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_126008551_M-300x169.jpg 300w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_126008551_M-768x432.jpg 768w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_126008551_M-1536x864.jpg 1536w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_126008551_M.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>WCAG\u306f\u3001\u8996\u899a\u306b\u969c\u5bb3\u306e\u3042\u308b\u4eba\u3084\u9ad8\u9f62\u8005\u304c\u6587\u5b57\u3092\u8aad\u307f\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u3001\u6587\u5b57\u8272\u3068\u80cc\u666f\u8272\u306e\u660e\u308b\u3055\u306e\u5dee\u3092\u6570\u5024\u3067\u5b9a\u3081\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u57fa\u6e96\u306f\u30ec\u30d9\u30ebAA\uff08\u6700\u4f4e\u9650\uff09\u3068\u30ec\u30d9\u30ebAAA\uff08\u9ad8\u5ea6\uff09\u306e2\u6bb5\u968e\u306b\u5206\u304b\u308c\u3066\u304a\u308a\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u9806\u756a\u306b\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1\uff1a\u30ec\u30d9\u30ebAA<\/h3>\n\n\n\n<p>WCAG\u306e\u30ec\u30d9\u30ebAA\u306f\u3001\u591a\u304f\u306e\u4f01\u696d\u3084\u516c\u7684\u6a5f\u95a2\u304c\u76ee\u6307\u3059\u63a8\u5968\u30ec\u30d9\u30eb\u3067\u3059\u3002\u901a\u5e38\u30b5\u30a4\u30ba\u306e\u6587\u5b57\u306b\u5bfe\u3057\u3066\u306f\u3001\u80cc\u666f\u8272\u3068\u306e\u9593\u306b\u6700\u4f4e\u3067\u30824.5:1\u4ee5\u4e0a\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c\u6c42\u3081\u3089\u308c\u3001\u8996\u529b\u304c\u7d0420\/40\uff080.5\uff09\u7a0b\u5ea6\u307e\u3067\u4f4e\u4e0b\u3057\u305f\u4eba\u306b\u914d\u616e\u3057\u305f\u6570\u5024\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u300c18\u30dd\u30a4\u30f3\u30c8\uff08\u7d0424px\uff09\u300d\u4ee5\u4e0a\u306e\u6587\u5b57\u3084\u300c14\u30dd\u30a4\u30f3\u30c8\uff08\u7d0418.5px\uff09\u300d\u4ee5\u4e0a\u306e\u592a\u5b57\u3068\u3044\u3063\u305f\u5927\u304d\u306a\u6587\u5b57\u306e\u5834\u5408\u306f\u30013:1\u4ee5\u4e0a\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3067\u5341\u5206\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u65e5\u672c\u8a9e\u30d5\u30a9\u30f3\u30c8\u306e\u5834\u5408\u306f\u3001\u305d\u308c\u305e\u308c22\u30dd\u30a4\u30f3\u30c8\uff08\u7d0429px\uff09\u306818\u30dd\u30a4\u30f3\u30c8\uff08\u7d0424px\uff09\u304c\u540c\u7b49\u3068\u3055\u308c\u307e\u3059\uff08\u203b3\uff09\u3002<\/p>\n\n\n\n\uff08\u203b3\uff09\u51fa\u5178\uff1a<a href=\"https:\/\/waic.jp\/translations\/WCAG21\/Understanding\/contrast-minimum.html#:~:text=%E5%A4%A7%E3%81%8D%E3%81%AA%E6%96%87%E5%AD%97,%E6%AF%94%E3%81%8C%E3%81%82%E3%82%8B%E3%80%82\" target=\"_blank\" rel=\"noopener noreferrer\">\u30a6\u30a7\u30d6\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u57fa\u76e4\u59d4\u54e1\u4f1a (WAIC) \u300c\u9054\u6210\u57fa\u6e96 1.4.3: \u30b3\u30f3\u30c8\u30e9\u30b9\u30c8 (\u6700\u4f4e\u9650)\u3092\u7406\u89e3\u3059\u308b\u300d<\/a>\n\n\n\n<h3 class=\"wp-block-heading\">2\uff1a\u30ec\u30d9\u30ebAAA<\/h3>\n\n\n\n<p>\u30ec\u30d9\u30ebAAA\u306f\u3001\u30ec\u30d9\u30ebAA\u3088\u308a\u3082\u3055\u3089\u306b\u9ad8\u3044\u57fa\u6e96\u3092\u6e80\u305f\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u901a\u5e38\u30b5\u30a4\u30ba\u306e\u6587\u5b57\u306b\u306f\u3001\u80cc\u666f\u8272\u3068\u306e\u9593\u306b\u6700\u4f4e\u3067\u30827:1\u4ee5\u4e0a\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c\u5fc5\u8981\u306b\u306a\u308a\u3001\u8996\u529b\u304c\u7d0420\/80\uff080.25\uff09\u7a0b\u5ea6\u307e\u3067\u4f4e\u4e0b\u3057\u305f\u4eba\u306b\u914d\u616e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5927\u304d\u306a\u6587\u5b57\u306e\u5834\u5408\u306f\u3001\u30ec\u30d9\u30ebAAA\u3067\u30824.5:1\u4ee5\u4e0a\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c\u3042\u308c\u3070\u57fa\u6e96\u3092\u6e80\u305f\u305b\u307e\u3059\u3002\u30ec\u30d9\u30ebAAA\u3092\u9054\u6210\u3059\u308c\u3070\u3001\u3088\u308a\u5e45\u5e83\u3044\u30e6\u30fc\u30b6\u30fc\u306b\u60c5\u5831\u3092\u5c4a\u3051\u3089\u308c\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306b\u304a\u3051\u308b\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3092\u6539\u5584\u3059\u308b4\u3064\u306e\u30dd\u30a4\u30f3\u30c8<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"724\" src=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_88622177_M-1024x724.jpg\" alt=\"\" class=\"wp-image-17610\" srcset=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_88622177_M-1024x724.jpg 1024w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_88622177_M-300x212.jpg 300w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_88622177_M-768x543.jpg 768w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_88622177_M-1536x1086.jpg 1536w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_88622177_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\u306b\u304a\u3051\u308b\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3092\u6539\u5584\u3059\u308b\u30dd\u30a4\u30f3\u30c8\u306b\u306f\u3001\u4e3b\u306b\u4ee5\u4e0b\u306e4\u3064\u304c\u3042\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u30c1\u30a7\u30c3\u30af\u30c4\u30fc\u30eb\u3092\u6d3b\u7528\u3057\u305f\u691c\u8a3c<\/li>\n\n\n\n<li>\u8272\u3060\u3051\u306b\u983c\u3089\u306a\u3044\u60c5\u5831\u4f1d\u9054\u306e\u8a2d\u8a08<\/li>\n\n\n\n<li>\u30c7\u30b6\u30a4\u30f3\u6bb5\u968e\u3067\u9069\u5207\u306a\u30ab\u30e9\u30fc\u30d1\u30ec\u30c3\u30c8\u3092\u9078\u3076<\/li>\n\n\n\n<li>UI\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3084\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u8981\u7d20\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u78ba\u4fdd<\/li>\n<\/ul>\n\n\n\n<p>\u9806\u756a\u306b\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30dd\u30a4\u30f3\u30c81\uff1a\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u30c1\u30a7\u30c3\u30af\u30c4\u30fc\u30eb\u3092\u6d3b\u7528\u3057\u305f\u691c\u8a3c<\/h3>\n\n\n\n<p>\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306e\u6539\u5584\u306b\u306f\u3001\u5c02\u7528\u306e\u30c1\u30a7\u30c3\u30af\u30c4\u30fc\u30eb\u306b\u3088\u308b\u5b9a\u91cf\u7684\u306a\u691c\u8a3c\u304c\u6b20\u304b\u305b\u307e\u305b\u3093\u3002\u305f\u3068\u3048\u3070\u6587\u5b57\u8272\u3068\u80cc\u666f\u8272\u3092\u5165\u529b\u3059\u308b\u3060\u3051\u3067\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3092\u7b97\u51fa\u3057\u3066\u304f\u308c\u308b\u30c4\u30fc\u30eb\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307b\u304b\u306b\u3082\u3001Google Chrome\u306e\u62e1\u5f35\u6a5f\u80fd\u3067\u3042\u308b\u300cWCAG Color contrast checker\u300d\u3092\u4f7f\u3048\u3070\u3001\u65e2\u5b58\u306eWeb\u30b5\u30a4\u30c8\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u8272\u3092\u81ea\u52d5\u7684\u306b\u62bd\u51fa\u3057\u3066\u8a55\u4fa1\u3067\u304d\u308b\u305f\u3081\u3001\u904b\u7528\u4e2d\u306eWeb\u30b5\u30a4\u30c8\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306b\u3082\u6d3b\u7528\u3057\u3084\u3059\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u8907\u6570\u306e\u8272\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u4e00\u89a7\u8868\u793a\u3067\u304d\u308b\u30c4\u30fc\u30eb\u3082\u3042\u308b\u305f\u3081\u3001\u30c7\u30b6\u30a4\u30f3\u521d\u5fc3\u8005\u306e\u4eba\u306b\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30dd\u30a4\u30f3\u30c82\uff1a\u8272\u3060\u3051\u306b\u983c\u3089\u306a\u3044\u60c5\u5831\u4f1d\u9054\u306e\u8a2d\u8a08<\/h3>\n\n\n\n<p>\u8272\u899a\u306b\u7279\u6027\u306e\u3042\u308b\u4eba\u306b\u306f\u3001\u60c5\u5831\u3084\u72b6\u614b\u306e\u5909\u5316\u3092\u4f1d\u3048\u308b\u969b\u306b\u3001\u8272\u4ee5\u5916\u306e\u8996\u899a\u7684\u8981\u7d20\u3082\u7d44\u307f\u5408\u308f\u305b\u308b\u5de5\u592b\u304c\u5fc5\u8981\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8d64\u8272\u3067\u8868\u793a\u3059\u308b\u5834\u5408\u3001\u300c\uff01\u300d\u30de\u30fc\u30af\u306a\u3069\u306e\u30a2\u30a4\u30b3\u30f3\u3092\u3064\u3051\u305f\u308a\u3001\u30c6\u30ad\u30b9\u30c8\u3092\u592a\u5b57\u306b\u3057\u305f\u308a\u3068\u3044\u3063\u305f\u624b\u6cd5\u304c\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u30d5\u30a9\u30fc\u30e0\u306e\u5165\u529b\u6b04\u3084\u30dc\u30bf\u30f3\u306e\u72b6\u614b\u3092\u793a\u3059\u5834\u5408\u3082\u3001\u5f62\u72b6\u3084\u30d1\u30bf\u30fc\u30f3\u306a\u3069\u306e\u8996\u899a\u8981\u7d20\u3092\u6d3b\u7528\u3059\u308c\u3070\u3001\u8272\u899a\u7279\u6027\u306e\u6709\u7121\u306b\u304b\u304b\u308f\u3089\u305a\u8ab0\u3067\u3082\u60c5\u5831\u3092\u8a8d\u8b58\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u914d\u616e\u306f\u3001\u5358\u306b\u6a5f\u80fd\u7684\u306a\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u5168\u30e6\u30fc\u30b6\u30fc\u306b\u5bfe\u3057\u3066\u306e\u5229\u4fbf\u6027\u3092\u9ad8\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30dd\u30a4\u30f3\u30c83\uff1a\u30c7\u30b6\u30a4\u30f3\u6bb5\u968e\u3067\u9069\u5207\u306a\u30ab\u30e9\u30fc\u30d1\u30ec\u30c3\u30c8\u3092\u9078\u3076<\/h3>\n\n\n\n<p>\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306e\u554f\u984c\u306f\u3001\u30c7\u30b6\u30a4\u30f3\u306e\u521d\u671f\u6bb5\u968e\u304b\u3089\u610f\u8b58\u3057\u3066\u30ab\u30e9\u30fc\u30d1\u30ec\u30c3\u30c8\u3092\u9078\u5b9a\u3059\u308b\u3068\u52b9\u7387\u7684\u306b\u5bfe\u51e6\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u660e\u308b\u3044\u80cc\u666f\u306b\u306f\u8584\u3044\u6587\u5b57\u8272\u3092\u4f7f\u308f\u306a\u3044\u3068\u3044\u3063\u305f\u57fa\u672c\u30eb\u30fc\u30eb\u3067\u3001\u30d6\u30e9\u30f3\u30c9\u30ab\u30e9\u30fc\u3092\u6d3b\u304b\u3057\u3064\u3064\u3082\u5341\u5206\u306a\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u3092\u78ba\u4fdd\u3067\u304d\u308b\u8272\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u6700\u521d\u304b\u3089\u7528\u610f\u3057\u3066\u304a\u304f\u3068\u3044\u3063\u305f\u5177\u5408\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3068\u304f\u306b\u3001\u8584\u3044\u30b0\u30ec\u30fc\u306e\u6587\u5b57\u3084\u80cc\u666f\u304c\u5199\u771f\u306b\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c\u4e0d\u8db3\u3057\u3084\u3059\u3044\u305f\u3081\u8981\u6ce8\u610f\u3067\u3059\u3002\u307e\u305f\u3001\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u30c1\u30a7\u30c3\u30ab\u30fc\u30c4\u30fc\u30eb\u3092\u6d3b\u7528\u3057\u3066\u5ba2\u89b3\u7684\u306b\u78ba\u8a8d\u3059\u308b\u7fd2\u6163\u3092\u3064\u3051\u308c\u3070\u3001\u5f8c\u304b\u3089\u4fee\u6b63\u3059\u308b\u624b\u9593\u304c\u7701\u3051\u3066\u4f5c\u696d\u5168\u4f53\u306e\u52b9\u7387\u3082\u5411\u4e0a\u3057\u307e\u3059\u3002\u3053\u306e\u6bb5\u968e\u304b\u3089\u914d\u616e\u3059\u308c\u3070\u3001\u7f8e\u3057\u3055\u3068\u4f7f\u3044\u3084\u3059\u3055\u3092\u4e21\u7acb\u3057\u305fWeb\u30b5\u30a4\u30c8\u306b\u8fd1\u3065\u3051\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30dd\u30a4\u30f3\u30c84\uff1aUI\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3084\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u8981\u7d20\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u78ba\u4fdd<\/h3>\n\n\n\n<p>\u30c6\u30ad\u30b9\u30c8\u3060\u3051\u3067\u306a\u304f\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30dc\u30bf\u30f3\u3084\u30ea\u30f3\u30af<\/li>\n\n\n\n<li>\u30d5\u30a9\u30fc\u30e0\u306e\u5883\u754c\u7dda<\/li>\n\n\n\n<li>\u30a2\u30a4\u30b3\u30f3\u306a\u3069\u306eUI\u8981\u7d20<\/li>\n<\/ul>\n\n\n\n<p>\u306a\u3069\u306b\u3082\u3001\u80cc\u666f\u3068\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u64cd\u4f5c\u5bfe\u8c61\u304c\u898b\u3048\u3065\u3089\u3044\u3068\u3001\u76ee\u7684\u306e\u52d5\u4f5c\u304c\u3067\u304d\u305a\u5229\u4fbf\u6027\u3092\u640d\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u88c5\u98fe\u76ee\u7684\u3067\u306f\u306a\u304f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u64cd\u4f5c\u306b\u304b\u304b\u308f\u308b\u8981\u7d20\u306b\u306f\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306e\u78ba\u8a8d\u3092\u884c\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3055\u3089\u306b\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u6642\u306e\u30a2\u30a6\u30c8\u30e9\u30a4\u30f3\u306a\u3069\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u793a\u3059\u60c5\u5831\u306b\u3082\u540c\u69d8\u306b\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306e\u78ba\u8a8d\u304c\u5fc5\u8981\u3067\u3059\u3002\u30c6\u30ad\u30b9\u30c8\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306f\u610f\u8b58\u3055\u308c\u3084\u3059\u3044\u4e00\u65b9\u3067\u3001UI\u8981\u7d20\u306e\u78ba\u8a8d\u306f\u6020\u308a\u304c\u3061\u306a\u306e\u3067\u3001\u3068\u304f\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306e\u8abf\u6574\u3067\u3088\u304f\u3042\u308b\u5931\u6557\u4f8b4\u9078<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"798\" src=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_88908500_M-1024x798.jpg\" alt=\"\" class=\"wp-image-17611\" srcset=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_88908500_M-1024x798.jpg 1024w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_88908500_M-300x234.jpg 300w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_88908500_M-768x598.jpg 768w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_88908500_M-1536x1197.jpg 1536w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_88908500_M.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306e\u8abf\u6574\u3067\u3088\u304f\u3042\u308b\u5931\u6557\u4f8b\u3068\u3057\u3066\u3001\u4e3b\u306b\u4ee5\u4e0b\u306e4\u3064\u304c\u3042\u3052\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u80cc\u666f\u753b\u50cf\u3084\u5199\u771f\u306e\u4e0a\u306b\u30c6\u30ad\u30b9\u30c8\u3092\u76f4\u63a5\u914d\u7f6e\u3059\u308b<\/li>\n\n\n\n<li>\u30c7\u30b6\u30a4\u30f3\u91cd\u8996\u3067\u8584\u3044\u30b0\u30ec\u30fc\u306a\u3069\u306e\u6de1\u3044\u8272\u3092\u4f7f\u3044\u3059\u304e\u308b<\/li>\n\n\n\n<li>\u30d6\u30e9\u30f3\u30c9\u30ab\u30e9\u30fc\u3092\u305d\u306e\u307e\u307e\u4f7f\u7528\u3059\u308b<\/li>\n\n\n\n<li>\u30db\u30d0\u30fc\u3084\u30d5\u30a9\u30fc\u30ab\u30b9\u72b6\u614b\u3067\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3092\u78ba\u8a8d\u3057\u3066\u3044\u306a\u3044<\/li>\n<\/ul>\n\n\n\n<p>\u9806\u756a\u306b\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5931\u6557\u4f8b1\uff1a\u80cc\u666f\u753b\u50cf\u3084\u5199\u771f\u306e\u4e0a\u306b\u30c6\u30ad\u30b9\u30c8\u3092\u76f4\u63a5\u914d\u7f6e\u3059\u308b<\/h3>\n\n\n\n<p>\u80cc\u666f\u306b\u5199\u771f\u3084\u753b\u50cf\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u6587\u5b57\u306e\u80cc\u666f\u306b\u3055\u307e\u3056\u307e\u306a\u8272\u304c\u6df7\u5728\u3059\u308b\u305f\u3081\u3001\u90e8\u5206\u7684\u306b\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c\u4e0d\u8db3\u3057\u3066\u3057\u307e\u3046\u5931\u6557\u304c\u8d77\u3053\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u767d\u3044\u6587\u5b57\u3092\u5199\u771f\u306e\u4e0a\u306b\u76f4\u63a5\u914d\u7f6e\u3059\u308b\u3068\u3001\u80cc\u666f\u306e\u4e00\u90e8\u306b\u767d\u3084\u9ec4\u8272\u3068\u3044\u3063\u305f\u660e\u308b\u3044\u8272\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u7b87\u6240\u3067\u306f\u3001\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c\u4f4e\u4e0b\u3057\u3066\u8aad\u307f\u53d6\u308a\u3065\u3089\u304f\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u6539\u5584\u7b56\u3068\u3057\u3066\u3001\u6587\u5b57\u306e\u80cc\u666f\u90e8\u5206\u3060\u3051\u306b\u534a\u900f\u660e\u306e\u9ed2\u3084\u767d\u306e\u5e2f\u3092\u6577\u3044\u3066\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3092\u78ba\u4fdd\u3059\u308b\u65b9\u6cd5\u304c\u52b9\u679c\u7684\u3067\u3059\u3002\u307e\u305f\u6587\u5b57\u3092\u7d30\u3044\u9ed2\u67a0\u7dda\u3067\u7e01\u53d6\u308b\u306a\u3069\u306e\u5bfe\u7b56\u3092\u884c\u3046\u3068\u3001\u80cc\u666f\u3092\u554f\u308f\u305a\u306b\u8996\u8a8d\u6027\u3092\u4fdd\u3066\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5931\u6557\u4f8b2\uff1a\u30c7\u30b6\u30a4\u30f3\u91cd\u8996\u3067\u8584\u3044\u30b0\u30ec\u30fc\u306a\u3069\u306e\u6de1\u3044\u8272\u3092\u4f7f\u3044\u3059\u304e\u308b<\/h3>\n\n\n\n<p>\u6d17\u7df4\u3055\u308c\u305f\u30c7\u30b6\u30a4\u30f3\u3092\u610f\u8b58\u3059\u308b\u3042\u307e\u308a\u3001\u8584\u3044\u30b0\u30ec\u30fc\u306a\u3069\u306e\u6de1\u3044\u8272\u3092\u30c6\u30ad\u30b9\u30c8\u306b\u4f7f\u3063\u3066\u3057\u307e\u3046\u30b1\u30fc\u30b9\u304c\u591a\u304f\u898b\u3089\u308c\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u8584\u3044\u30b0\u30ec\u30fc\u80cc\u666f\u306b\u767d\u6587\u5b57\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c\u57fa\u6e96\u5024\u306b\u5c4a\u304d\u307e\u305b\u3093\uff08\u203b4\uff09\u3002<\/p>\n\n\n\n<p>\u30c7\u30b6\u30a4\u30f3\u30c8\u30ec\u30f3\u30c9\u3068\u3057\u3066\u6de1\u3044\u8272\u5408\u3044\u304c\u597d\u307e\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u305d\u306e\u307e\u307e\u6587\u5b57\u3084UI\u8981\u7d20\u306b\u9069\u7528\u3059\u308b\u3068\u8996\u8a8d\u6027\u304c\u8457\u3057\u304f\u4f4e\u4e0b\u3057\u3066\u3057\u307e\u3046\u3067\u3057\u3087\u3046\u3002\u3053\u306e\u554f\u984c\u306f\u3001\u8996\u899a\u969c\u5bb3\u306e\u3042\u308b\u4eba\u4ee5\u5916\u306b\u3068\u3063\u3066\u3082\u4e0d\u4fbf\u3067\u3042\u308b\u305f\u3081\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n\uff08\u203b4\uff09\u51fa\u5178\uff1a<a href=\"https:\/\/www.digital.go.jp\/resources\/introduction-to-web-accessibility-guidebook\" target=\"_blank\" rel=\"noopener noreferrer\">\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<h3 class=\"wp-block-heading\">\u5931\u6557\u4f8b3\uff1a\u30d6\u30e9\u30f3\u30c9\u30ab\u30e9\u30fc\u3092\u305d\u306e\u307e\u307e\u4f7f\u7528\u3059\u308b<\/h3>\n\n\n\n<p>\u4f01\u696d\u306e\u30d6\u30e9\u30f3\u30c9\u30ab\u30e9\u30fc\u304c\u660e\u308b\u3044\u30aa\u30ec\u30f3\u30b8\u3084\u9bae\u3084\u304b\u306a\u8272\u3067\u3042\u308b\u5834\u5408\u3001\u767d\u80cc\u666f\u306b\u914d\u7f6e\u3059\u308b\u3068\u6700\u4f4e\u9650\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3059\u3089\u6e80\u305f\u305b\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u5b9f\u969b\u306e\u4e8b\u4f8b\u3067\u306f\u3001\u3042\u308bWeb\u30b5\u30a4\u30c8\u304c\u660e\u308b\u3044\u30aa\u30ec\u30f3\u30b8\u8272\u306e\u30d6\u30e9\u30f3\u30c9\u30ab\u30e9\u30fc\u3092\u4f7f\u7528\u3057\u305f\u3068\u3053\u308d\u3001\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c3:1\u306b\u5c4a\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3092\u4e0a\u3052\u308b\u305f\u3081\u306b\u8272\u3092\u8abf\u6574\u3059\u308b\u3068\u3001\u8336\u8272\u3063\u307d\u304f\u306a\u3063\u3066\u6697\u3044\u96f0\u56f2\u6c17\u306b\u306a\u308b\u304b\u3001\u8d64\u3005\u3057\u304f\u306a\u3063\u3066\u30ad\u30c4\u3044\u5370\u8c61\u306b\u306a\u308a\u3001\u30d6\u30e9\u30f3\u30c9\u306e\u4e16\u754c\u89b3\u306b\u5408\u308f\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5bfe\u7b56\u3068\u3057\u3066\u306f\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30dc\u30bf\u30f3\u306e\u6587\u5b57\u8272\u3092\u9ed2\u5bc4\u308a\u306e\u8272\u306b\u3059\u308b<\/li>\n\n\n\n<li>\u80cc\u666f\u3068\u30c6\u30ad\u30b9\u30c8\u306e\u95a2\u4fc2\u3060\u3051\u3092\u5909\u3048\u308b<\/li>\n\n\n\n<li>\u91cd\u8981\u60c5\u5831\u306b\u9650\u3063\u3066\u6fc3\u5ea6\u3092\u8abf\u6574\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u3068\u3044\u3063\u305f\u5de5\u592b\u3067\u3001\u30d6\u30e9\u30f3\u30c9\u3092\u5b88\u308a\u306a\u304c\u3089\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3092\u62c5\u4fdd\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5931\u6557\u4f8b4\uff1a\u30db\u30d0\u30fc\u3084\u30d5\u30a9\u30fc\u30ab\u30b9\u72b6\u614b\u3067\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3092\u78ba\u8a8d\u3057\u3066\u3044\u306a\u3044<\/h3>\n\n\n\n<p>\u901a\u5e38\u8868\u793a\u3067\u306f\u5341\u5206\u306a\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c\u3042\u3063\u3066\u3082\u3001\u30db\u30d0\u30fc\u6642\u3084\u30d5\u30a9\u30fc\u30ab\u30b9\u6642\u306e\u72b6\u614b\u5909\u5316\u3092\u8003\u616e\u305b\u305a\u306b\u30c7\u30b6\u30a4\u30f3\u3057\u3066\u3057\u307e\u3046\u5931\u6557\u3082\u8d77\u3053\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30ea\u30f3\u30af\u306b\u30ab\u30fc\u30bd\u30eb\u3092\u5408\u308f\u305b\u305f\u969b\u3001\u8272\u304c\u8584\u3044\u6c34\u8272\u306b\u5909\u5316\u3057\u3066\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u304c\u4e0d\u5341\u5206\u306b\u306a\u308b\u30b1\u30fc\u30b9\u3067\u3059\u3002<\/p>\n\n\n\n<p>WCAG\u3067\u306f\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u3055\u308c\u3066\u3044\u308b\u72b6\u614b\u3068\u3055\u308c\u3066\u3044\u306a\u3044\u72b6\u614b\u306e\u9593\u3067\u3082\u3001\u540c\u4e00\u30d4\u30af\u30bb\u30eb\u306b\u5c11\u306a\u304f\u3068\u30823:1\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\uff08\u203b5\uff09\u3002\u30da\u30fc\u30b8\u4e0a\u306e\u8981\u7d20\u306f\u8907\u6570\u306e\u72b6\u614b\u3092\u6301\u3064\u305f\u3081\u3001\u901a\u5e38\u8868\u793a\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u78ba\u8a8d\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u3067\u3042\u308a\u3001\u3059\u3079\u3066\u306e\u72b6\u614b\u3067\u8996\u8a8d\u6027\u3092\u691c\u8a3c\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n\uff08\u203b5\uff09\u51fa\u5178\uff1a<a href=\"https:\/\/waic.jp\/translations\/WCAG22\/#:~:text=%E3%83%95%E3%82%A9%E3%83%BC%E3%82%AB%E3%82%B9%E3%81%95%E3%82%8C%E3%81%A6%E3%81%84%E3%82%8B%E7%8A%B6%E6%85%8B%E3%81%A8%E3%83%95%E3%82%A9%E3%83%BC%E3%82%AB%E3%82%B9%E3%81%95%E3%82%8C%E3%81%A6%E3%81%84%E3%81%AA%E3%81%84%E7%8A%B6%E6%85%8B%E3%81%A8%E3%81%AE%E9%96%93%E3%81%A7%E3%80%81%E5%90%8C%E4%B8%80%E3%83%94%E3%82%AF%E3%82%BB%E3%83%AB%E3%81%AB%E5%B0%91%E3%81%AA%E3%81%8F%E3%81%A8%E3%82%82%203%3A1%20%E3%81%AE%E3%82%B3%E3%83%B3%E3%83%88%E3%83%A9%E3%82%B9%E3%83%88%E6%AF%94%E3%81%8C%E3%81%82%E3%82%8B%E3%80%82\" target=\"_blank\" rel=\"noopener noreferrer\">\u30a6\u30a7\u30d6\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u57fa\u76e4\u59d4\u54e1\u4f1a (WAIC) \u300cWeb Content Accessibility Guidelines (WCAG) 2.2 (\u65e5\u672c\u8a9e\u8a33)\u300d<\/a>\n\n\n\n<h2 class=\"wp-block-heading\">Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306b\u52b9\u7387\u3088\u304f\u5bfe\u5fdc\u3059\u308b\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\/2025\/12\/image.png\" alt=\"\" class=\"wp-image-17380\" style=\"width:840px;height:auto\" srcset=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2025\/12\/image.png 656w, https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2025\/12\/image-300x179.png 300w\" sizes=\"auto, (max-width: 656px) 100vw, 656px\" \/><\/figure>\n\n\n\n<p>\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3092\u306f\u3058\u3081\u3068\u3057\u305fWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u78ba\u8a8d\u306f\u3001\u624b\u4f5c\u696d\u3067\u306f\u591a\u304f\u306e\u52b4\u529b\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u304a\u3059\u3059\u3081\u306a\u306e\u304cWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u8a3a\u65ad\u30fbUI\u691c\u8a3c\u30c4\u30fc\u30eb\u300c<a href=\"https:\/\/www.spiral-platform.co.jp\/service\/isso\/\">SPIRAL ISSO<\/a>\u300d\u3067\u3059\u3002SPIRAL ISSO\u306f\u3001Web\u30b5\u30a4\u30c8\u306eUI\u691c\u8a3c\u3092\u81ea\u52d5\u5316\u3057\u3001\u54c1\u8cea\u5411\u4e0a\u3068\u5de5\u6570\u524a\u6e1b\u3092\u540c\u6642\u306b\u5b9f\u73fe\u3067\u304d\u308b\u30c4\u30fc\u30eb\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3001\u30b3\u30fc\u30c9\u3001SEO\u306a\u3069\u591a\u5c90\u306b\u308f\u305f\u308b\u691c\u8a3c\u9805\u76ee\u3092\u4e00\u62ec\u3067\u5b9f\u884c\u3067\u304d\u3001JIS X 8341-3:2016\u3078\u306e\u9069\u5408\u72b6\u6cc1\u3082\u81ea\u52d5\u30c1\u30a7\u30c3\u30af\u53ef\u80fd\u3067\u3059\u3002\u307e\u305f\u691c\u8a3c\u7d50\u679c\u306f100\u70b9\u6e80\u70b9\u306e\u30b9\u30b3\u30a2\u3067\u8868\u793a\u3055\u308c\u308b\u305f\u3081\u3001\u30b5\u30a4\u30c8\u306e\u554f\u984c\u70b9\u3092\u4e00\u76ee\u3067\u628a\u63e1\u3057\u3001\u512a\u5148\u9806\u4f4d\u3092\u3064\u3051\u3066\u6539\u5584\u306b\u53d6\u308a\u7d44\u3081\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u5236\u4f5c\u4f1a\u793e\u3084\u4ee3\u7406\u5e97\u3001\u4e8b\u696d\u4f1a\u793e\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u7acb\u5834\u306e\u65b9\u304c\u7d0d\u54c1\u524d\u306e\u54c1\u8cea\u78ba\u8a8d\u3084\u904b\u7528\u52b9\u7387\u5316\u306b\u6d3b\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305a\u306f\u7121\u6599\u30d7\u30e9\u30f3\u3067\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/www.pi-pe.co.jp\/regist\/is?SMPFORM=man-mcsepb-0e06c81b1a06832e44b64b391bc18b71&amp;f000099824=https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/\">\u30b5\u30fc\u30d3\u30b9\u306b\u95a2\u3059\u308b\u304a\u554f\u3044\u5408\u308f\u305b\u306f\u3053\u3061\u3089>><\/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\u306b\u304a\u3051\u308b\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306f\u3001\u6587\u5b57\u3068\u80cc\u666f\u306e\u660e\u308b\u3055\u306e\u5dee\u3092\u6570\u5024\u3067\u793a\u3059\u3082\u306e\u3067\u3001WCAG\u57fa\u6e96\u3067\u306f\u6700\u4f4e\u3067\u30824.5:1\u4ee5\u4e0a\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u8996\u899a\u969c\u5bb3\u8005\u3084\u9ad8\u9f62\u8005\u304c\u5feb\u9069\u306b\u60c5\u5831\u3092\u8aad\u307f\u53d6\u308b\u305f\u3081\u306b\u6b20\u304b\u305b\u306a\u3044\u8981\u7d20\u3067\u3042\u308a\u3001\u4f01\u696d\u306e\u5bfe\u5fdc\u7fa9\u52d9\u3082\u5f37\u5316\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306e\u6539\u5584\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u96e2\u8131\u7387\u3092\u4f4e\u6e1b\u3055\u305b\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u4f01\u696d\u306e\u793e\u4f1a\u7684\u8cac\u4efb\u3092\u793a\u3057\u30d6\u30e9\u30f3\u30c9\u4fa1\u5024\u3092\u9ad8\u3081\u308b\u52b9\u679c\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u624b\u4f5c\u696d\u3067\u306e\u78ba\u8a8d\u304c\u3080\u305a\u304b\u3057\u3044\u5834\u5408\u306f\u300c<a href=\"https:\/\/www.spiral-platform.co.jp\/service\/isso\/\">SPIRAL ISSO<\/a>\u300d\u306e\u3088\u3046\u306a\u3001\u81ea\u52d5\u691c\u8a3c\u30c4\u30fc\u30eb\u3092\u6d3b\u7528\u3059\u308c\u3070\u52b9\u7387\u7684\u306bWeb\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3078\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002\u307e\u305a\u306f\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306e\u78ba\u8a8d\u304b\u3089\u59cb\u3081\u3066\u3001\u8ab0\u3082\u304c\u4f7f\u3044\u3084\u3059\u3044Web\u30b5\u30a4\u30c8\u4f5c\u308a\u306b\u53d6\u308a\u7d44\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Web\u30b5\u30a4\u30c8\u3092\u904b\u55b6\u3059\u308b\u306a\u304b\u3067\u300c\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\u306a\u306b\uff1f\u300d\u300c\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u304c\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u308f\u304b\u3089\u306a\u3044\u300d\u3068\u60a9\u3093\u3067\u3044\u308b\u65b9\u3082\u3044\u308b\u3067\u3057\u3087\u3046\u3002Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3067\u306f\u3001\u9069\u5207\u306a\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u306e\u78ba\u4fdd\u304c\u91cd\u8981\u306a\u8981\u7d20\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4<a href=\"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/\">[&#8230;\u7d9a\u304d\u3092\u8aad\u3080]<\/a><\/p>\n","protected":false},"author":23,"featured_media":17613,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[88],"tags":[],"class_list":["post-17620","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-web-accessibility"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\uff1f\u57fa\u790e\u3084\u6539\u5584\u70b9\u3082\u89e3\u8aac | \u30b9\u30d1\u30a4\u30e9\u30eb\u682a\u5f0f\u4f1a\u793e<\/title>\n<meta name=\"description\" content=\"Web\u30b5\u30a4\u30c8\u3092\u904b\u55b6\u3059\u308b\u306a\u304b\u3067\u300c\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\u306a\u306b\uff1f\u300d\u300c\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u304c\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u308f\u304b\u3089\u306a\u3044\u300d\u3068\u60a9\u3093\u3067\u3044\u308b\u65b9\u3082\u3044\u308b\u3067\u3057\u3087\u3046\u3002Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3067\u306f\" \/>\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\/14869\/\" \/>\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\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\uff1f\u57fa\u790e\u3084\u6539\u5584\u70b9\u3082\u89e3\u8aac | \u30b9\u30d1\u30a4\u30e9\u30eb\u682a\u5f0f\u4f1a\u793e\" \/>\n<meta property=\"og:description\" content=\"Web\u30b5\u30a4\u30c8\u3092\u904b\u55b6\u3059\u308b\u306a\u304b\u3067\u300c\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\u306a\u306b\uff1f\u300d\u300c\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u304c\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u308f\u304b\u3089\u306a\u3044\u300d\u3068\u60a9\u3093\u3067\u3044\u308b\u65b9\u3082\u3044\u308b\u3067\u3057\u3087\u3046\u3002Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3067\u306f\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/\" \/>\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=\"2026-02-06T03:03:17+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-13T04:42:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_107952932_M.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1333\" \/>\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=\"17\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\/14869\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/\"},\"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\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\uff1f\u57fa\u790e\u3084\u6539\u5584\u70b9\u3082\u89e3\u8aac\",\"datePublished\":\"2026-02-06T03:03:17+00:00\",\"dateModified\":\"2026-02-13T04:42:54+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/\"},\"wordCount\":79,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.spiral-platform.co.jp\/article\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_107952932_M.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\/14869\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/\",\"url\":\"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/\",\"name\":\"Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\uff1f\u57fa\u790e\u3084\u6539\u5584\u70b9\u3082\u89e3\u8aac | \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\/14869\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_107952932_M.jpg\",\"datePublished\":\"2026-02-06T03:03:17+00:00\",\"dateModified\":\"2026-02-13T04:42:54+00:00\",\"description\":\"Web\u30b5\u30a4\u30c8\u3092\u904b\u55b6\u3059\u308b\u306a\u304b\u3067\u300c\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\u306a\u306b\uff1f\u300d\u300c\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u304c\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u308f\u304b\u3089\u306a\u3044\u300d\u3068\u60a9\u3093\u3067\u3044\u308b\u65b9\u3082\u3044\u308b\u3067\u3057\u3087\u3046\u3002Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3067\u306f\",\"breadcrumb\":{\"@id\":\"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/#primaryimage\",\"url\":\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_107952932_M.jpg\",\"contentUrl\":\"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_107952932_M.jpg\",\"width\":2000,\"height\":1333},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/#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\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\uff1f\u57fa\u790e\u3084\u6539\u5584\u70b9\u3082\u89e3\u8aac\"}]},{\"@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:\/\/www.spiral-platform.co.jp\/article\/#\/schema\/person\/image\/\",\"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\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\uff1f\u57fa\u790e\u3084\u6539\u5584\u70b9\u3082\u89e3\u8aac | \u30b9\u30d1\u30a4\u30e9\u30eb\u682a\u5f0f\u4f1a\u793e","description":"Web\u30b5\u30a4\u30c8\u3092\u904b\u55b6\u3059\u308b\u306a\u304b\u3067\u300c\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\u306a\u306b\uff1f\u300d\u300c\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u304c\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u308f\u304b\u3089\u306a\u3044\u300d\u3068\u60a9\u3093\u3067\u3044\u308b\u65b9\u3082\u3044\u308b\u3067\u3057\u3087\u3046\u3002Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3067\u306f","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\/14869\/","og_locale":"ja_JP","og_type":"article","og_title":"Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\uff1f\u57fa\u790e\u3084\u6539\u5584\u70b9\u3082\u89e3\u8aac | \u30b9\u30d1\u30a4\u30e9\u30eb\u682a\u5f0f\u4f1a\u793e","og_description":"Web\u30b5\u30a4\u30c8\u3092\u904b\u55b6\u3059\u308b\u306a\u304b\u3067\u300c\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\u306a\u306b\uff1f\u300d\u300c\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u304c\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u308f\u304b\u3089\u306a\u3044\u300d\u3068\u60a9\u3093\u3067\u3044\u308b\u65b9\u3082\u3044\u308b\u3067\u3057\u3087\u3046\u3002Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3067\u306f","og_url":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/","og_site_name":"\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u8a18\u4e8b\u30b5\u30a4\u30c8","article_published_time":"2026-02-06T03:03:17+00:00","article_modified_time":"2026-02-13T04:42:54+00:00","og_image":[{"width":2000,"height":1333,"url":"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_107952932_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":"17\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/#article","isPartOf":{"@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/"},"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\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\uff1f\u57fa\u790e\u3084\u6539\u5584\u70b9\u3082\u89e3\u8aac","datePublished":"2026-02-06T03:03:17+00:00","dateModified":"2026-02-13T04:42:54+00:00","mainEntityOfPage":{"@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/"},"wordCount":79,"commentCount":0,"publisher":{"@id":"https:\/\/www.spiral-platform.co.jp\/article\/#organization"},"image":{"@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/#primaryimage"},"thumbnailUrl":"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_107952932_M.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\/14869\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/","url":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/","name":"Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\uff1f\u57fa\u790e\u3084\u6539\u5584\u70b9\u3082\u89e3\u8aac | \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\/14869\/#primaryimage"},"image":{"@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/#primaryimage"},"thumbnailUrl":"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_107952932_M.jpg","datePublished":"2026-02-06T03:03:17+00:00","dateModified":"2026-02-13T04:42:54+00:00","description":"Web\u30b5\u30a4\u30c8\u3092\u904b\u55b6\u3059\u308b\u306a\u304b\u3067\u300c\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\u306a\u306b\uff1f\u300d\u300c\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u304c\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u308f\u304b\u3089\u306a\u3044\u300d\u3068\u60a9\u3093\u3067\u3044\u308b\u65b9\u3082\u3044\u308b\u3067\u3057\u3087\u3046\u3002Web\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3067\u306f","breadcrumb":{"@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/#primaryimage","url":"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_107952932_M.jpg","contentUrl":"https:\/\/www.spiral-platform.co.jp\/article\/wp-content\/uploads\/sites\/3\/2026\/01\/pixta_107952932_M.jpg","width":2000,"height":1333},{"@type":"BreadcrumbList","@id":"https:\/\/www.spiral-platform.co.jp\/article\/web-accessibility\/14869\/#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\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u3068\u306f\uff1f\u57fa\u790e\u3084\u6539\u5584\u70b9\u3082\u89e3\u8aac"}]},{"@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:\/\/www.spiral-platform.co.jp\/article\/#\/schema\/person\/image\/","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\/17620","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=17620"}],"version-history":[{"count":2,"href":"https:\/\/www.spiral-platform.co.jp\/article\/wp-json\/wp\/v2\/posts\/17620\/revisions"}],"predecessor-version":[{"id":17624,"href":"https:\/\/www.spiral-platform.co.jp\/article\/wp-json\/wp\/v2\/posts\/17620\/revisions\/17624"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.spiral-platform.co.jp\/article\/wp-json\/wp\/v2\/media\/17613"}],"wp:attachment":[{"href":"https:\/\/www.spiral-platform.co.jp\/article\/wp-json\/wp\/v2\/media?parent=17620"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.spiral-platform.co.jp\/article\/wp-json\/wp\/v2\/categories?post=17620"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.spiral-platform.co.jp\/article\/wp-json\/wp\/v2\/tags?post=17620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}