{"id":26299,"date":"2024-11-07T23:00:34","date_gmt":"2024-11-07T14:00:34","guid":{"rendered":"https:\/\/motoki-design.co.jp\/wordpress\/?p=26299"},"modified":"2026-10-13T05:20:56","modified_gmt":"2026-10-12T20:20:56","slug":"contrast-ratio-issue-fix","status":"publish","type":"post","link":"https:\/\/motoki-design.co.jp\/wordpress\/contrast-ratio-issue-fix\/","title":{"rendered":"PageSpeed Insights\u2502\u80cc\u666f\u8272\u3068\u524d\u666f\u8272\u306b\u306f\u5341\u5206\u306a\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c\u3042\u308a\u307e\u305b\u3093\u3092\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p class=\"wp-block-paragraph\">PageSpeed Insights\u306e\u300c\u80cc\u666f\u8272\u3068\u524d\u666f\u8272\u306b\u306f\u5341\u5206\u306a\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c\u3042\u308a\u307e\u305b\u3093\u300d\u306f\u3001\u6587\u5b57\u8272\u3068\u5b9f\u969b\u306e\u80cc\u666f\u8272\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u78ba\u8a8d\u3057\u3066\u76f4\u3057\u307e\u3059\u3002\u6587\u5b57\u8272\u3060\u3051\u304b\u3089\u5408\u5426\u306f\u6c7a\u307e\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u901a\u5e38\u6587\u5b57\u3068\u5927\u304d\u306a\u6587\u5b57\u306e\u57fa\u6e96<\/h2>\n<p class=\"wp-block-paragraph\">WCAG 2.2\u306e\u30ec\u30d9\u30ebAA\u3067\u306f\u3001\u901a\u5e38\u306e\u6587\u5b57\u306f4.5:1\u4ee5\u4e0a\u3001\u5927\u304d\u306a\u6587\u5b57\u306f3:1\u4ee5\u4e0a\u304c\u57fa\u6e96\u3067\u3059\u3002\u5927\u304d\u306a\u6587\u5b57\u306f\u901a\u5e38\u30a6\u30a7\u30a4\u30c8\u306718pt\uff0824 CSS px\uff09\u4ee5\u4e0a\u3001\u592a\u5b57\u306714pt\uff08\u7d0418.67 CSS px\uff09\u4ee5\u4e0a\u3092\u6307\u3057\u307e\u3059\u3002\u5883\u754c\u5024\u306f\u56db\u6368\u4e94\u5165\u3057\u3066\u5408\u683c\u306b\u3057\u307e\u305b\u3093\u30024.499:1\u306f4.5:1\u672a\u6e80\u3067\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u767d\u80cc\u666f\u3092\u524d\u63d0\u306b\u8272\u3092\u6bd4\u8f03\u3059\u308b<\/h2>\n<p class=\"wp-block-paragraph\">\u80cc\u666f\u304c\u767d\uff08#ffffff\uff09\u306e\u5834\u5408\u3001#b18e37\u306f\u7d043.091:1\u3001#94712c\u306f\u7d044.509:1\u3067\u3059\u3002\u5f8c\u8005\u306f\u901a\u5e38\u6587\u5b57\u306e\u57fa\u6e96\u3092\u308f\u305a\u304b\u306b\u4e0a\u56de\u308a\u307e\u3059\u3002\u80cc\u666f\u304c\u5909\u308f\u308b\u3068\u7d50\u679c\u3082\u5909\u308f\u308b\u305f\u3081\u3001\u6de1\u3044\u80cc\u666f\u3084\u900f\u660e\u5ea6\u304c\u3042\u308b\u5834\u5408\u306f\u3053\u306e\u6570\u5024\u3092\u6d41\u7528\u3057\u307e\u305b\u3093\u3002<\/p>\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"css\"><code>.waza-contrast-sample {\n  color: #94712c;\n  background-color: #ffffff;\n  padding: 1em;\n  font-size: 16px;\n  font-weight: 400;\n}<\/code><\/pre><\/div>\n<p class=\"wp-block-paragraph\">\u5b50\u30c6\u30fc\u30de\u306eCSS\u306a\u3069\u3078\u8ffd\u52a0\u3057\u3001\u5bfe\u8c61\u306e\u6bb5\u843d\u30d6\u30ed\u30c3\u30af\u306e\u8ffd\u52a0CSS\u30af\u30e9\u30b9\u3078 <code>waza-contrast-sample<\/code> \u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u30b5\u30a4\u30c8\u5168\u4f53\u306e\u6587\u5b57\u8272\u3092\u4e00\u62ec\u5909\u66f4\u3059\u308b\u4f8b\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<style>.waza-contrast-sample {\n  color: #94712c;\n  background-color: #ffffff;\n  padding: 1em;\n  font-size: 16px;\n  font-weight: 400;\n}<\/style><p class=\"waza-contrast-sample\">\u767d\u3044\u80cc\u666f\u306b\u3001\u6587\u5b57\u8272 #94712c \u3092\u6307\u5b9a\u3057\u305f\u8868\u793a\u4f8b\u3067\u3059\u3002<\/p><h2 class=\"wp-block-heading\">\u5b9f\u969b\u306e\u8981\u7d20\u3092\u8abf\u3079\u3066\u518d\u6e2c\u5b9a\u3059\u308b<\/h2>\n<p class=\"wp-block-paragraph\">\u6307\u6458\u3055\u308c\u305f\u8981\u7d20\u3092\u958b\u767a\u8005\u30c4\u30fc\u30eb\u3067\u9078\u3073\u3001\u8a08\u7b97\u5f8c\u306ecolor\u3068\u80cc\u666f\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u80cc\u666f\u304c\u900f\u660e\u306a\u3089\u89aa\u8981\u7d20\u3001\u753b\u50cf\u3084\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u306a\u3089\u6587\u5b57\u306e\u80cc\u5f8c\u306e\u8272\u3082\u8abf\u3079\u307e\u3059\u3002hover\u30fbfocus\u6642\u3084\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u5e45\u3067\u80cc\u666f\u304c\u5909\u308f\u308b\u7b87\u6240\u3082\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p class=\"wp-block-paragraph\">\u5909\u66f4\u5f8c\u306f\u5bfe\u8c61URL\u3092\u518d\u6e2c\u5b9a\u3057\u3001\u540c\u3058\u8981\u7d20\u306e\u6307\u6458\u304c\u89e3\u6d88\u3057\u305f\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u304c\u6539\u5584\u3057\u3066\u3082\u3001\u30da\u30fc\u30b8\u5168\u4f53\u306e\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3084PageSpeed\u30b9\u30b3\u30a2\u306e\u5408\u683c\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u623b\u3059\u5834\u5408\u306f\u8ffd\u52a0\u30af\u30e9\u30b9\u3068\u4eca\u56de\u306eCSS\u3092\u5916\u3057\u307e\u3059\u3002<\/p>\n<p class=\"wp-block-paragraph\">\u57fa\u6e96\uff1a<a href=\"https:\/\/www.w3.org\/WAI\/WCAG22\/Understanding\/contrast-minimum.html\">W3C\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\uff08\u6700\u4f4e\u9650\uff09<\/a>\u3002\u6587\u5b57\u306e\u592a\u3055\u3068\u30d5\u30a9\u30f3\u30c8\u6307\u5b9a\u306f<a href=\"https:\/\/motoki-design.co.jp\/wordpress\/wordpress-web-font\/\">Web\u30d5\u30a9\u30f3\u30c8\u306e\u6307\u5b9a\u65b9\u6cd5<\/a>\u3067\u6271\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"375\" height=\"865\" src=\"https:\/\/motoki-design.co.jp\/wordpress\/wp-content\/uploads\/waza-contrast-mobile-20261001.jpg\" alt=\"\u30b9\u30de\u30db\u5e45390px\u3067\u767d\u80cc\u666f\u3068\u6587\u5b57\u8272#94712c\u3092\u8868\u793a\u3057\u305fWAZA\u306e\u5b9f\u753b\u9762\" class=\"wp-image-29846\"\/><figcaption class=\"wp-element-caption\">2026\u5e7410\u67081\u65e5\u3001\u5e45390px\u306e\u30d6\u30e9\u30a6\u30b6\u30fc\u3067\u78ba\u8a8d\u3057\u305f\u8868\u793a\u4f8b\u3002\u8a08\u7b97\u5f8c\u306e\u6587\u5b57\u8272\u306frgb(148, 113, 44)\u3001\u80cc\u666f\u8272\u306frgb(255, 255, 255)\u3067\u3059\u3002<\/figcaption><\/figure>\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f\uff1aPageSpeed 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class=\"wp-block-heading\">\u5408\u683c\u306e\u57fa\u6e96\u306f\u3001\u3069\u308c\u304f\u3089\u3044\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a18\u4e8b\u3067\u306f\u3001WCAG 2.2\u306e\u30ec\u30d9\u30ebAA\u3067\u3001\u901a\u5e38\u306e\u6587\u5b57\u306f4.5:1\u4ee5\u4e0a\u3001\u5927\u304d\u306a\u6587\u5b57\u306f3:1\u4ee5\u4e0a\u304c\u57fa\u6e96\u3067\u3059\u3002\u5927\u304d\u306a\u6587\u5b57\u306f\u901a\u5e38\u30a6\u30a7\u30a4\u30c8\u306718pt\uff0824 CSS px\uff09\u4ee5\u4e0a\u3001\u592a\u5b57\u306714pt\uff08\u7d0418.67 CSS px\uff09\u4ee5\u4e0a\u3092\u6307\u3057\u307e\u3059\u3002\u5883\u754c\u5024\u306f\u56db\u6368\u4e94\u5165\u3057\u3066\u5408\u683c\u306b\u3057\u307e\u305b\u3093\u30024.499:1\u306f4.5:1\u672a\u6e80\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5177\u4f53\u7684\u306a\u8272\u306e\u4f8b\u3092\u6559\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/h3>\n\n\n\n<p 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