{"id":9573,"date":"2025-10-15T00:54:17","date_gmt":"2025-10-14T15:54:17","guid":{"rendered":"https:\/\/code-plus.jp\/gp\/?p=9573"},"modified":"2026-07-01T10:31:23","modified_gmt":"2026-07-01T01:31:23","slug":"css-layers-9573","status":"publish","type":"post","link":"https:\/\/code-plus.jp\/gp\/css-layers-9573\/","title":{"rendered":"CSS Layers\u306e\u4f7f\u3044\u65b9\u3068\u6ce8\u610f\u70b9 - \u5b9f\u969b\u306b\u4f7f\u3063\u3066\u5206\u304b\u3063\u305f\u554f\u984c\u70b9"},"content":{"rendered":"<p>CSS Layers\u306f2022\u5e74\u306b\u4e3b\u8981\u306a\u30e2\u30c0\u30f3\u30d6\u30e9\u30a6\u30b6\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u305f\u6a5f\u80fd\u3067\u3001CSS\u306e\u30ab\u30b9\u30b1\u30fc\u30c9\u3092\u300c\u30ec\u30a4\u30e4\u30fc\u300d\u3068\u3044\u3046\u5358\u4f4d\u3067\u7ba1\u7406\u3067\u304d\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u7406\u8ad6\u7684\u306b\u306f\u8a73\u7d30\u5ea6\u306e\u60a9\u307f\u3092\u6839\u672c\u304b\u3089\u89e3\u6c7a\u3057\u3066\u304f\u308c\u308b\u306f\u305a\u3067\u3057\u305f\u304c\u3001\u5b9f\u969b\u306b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u5c0e\u5165\u3057\u3066\u307f\u308b\u3068\u3001\u7406\u60f3\u3068\u73fe\u5b9f\u306e\u9593\u306b\u3044\u304f\u3064\u3082\u306e\u58c1\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\r\n<p>\u6700\u7d42\u7684\u306b\u81ea\u5206\u304c\u884c\u304d\u7740\u3044\u305f\u306e\u306f\u3001Layers\u305d\u306e\u3082\u306e\u3092\u3084\u3081\u3066\u3001<code>:is()<\/code> \/ <code>:where()<\/code> \u3067\u30bb\u30ec\u30af\u30bf\u306e\u8a73\u7d30\u5ea6\u81ea\u4f53\u3092\u8a2d\u8a08\u3059\u308b\u3068\u3044\u3046\u5225\u89e3\u3067\u3057\u305f\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u305d\u306e\u7d06\u4f59\u66f2\u6298\u3092\u542b\u3081\u3066\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\r\n\r\n<hr class=\"separator mx-auto mt-3r\" \/>\r\n\r\n<h2 class=\"fz-xl\">CSS Layers\u3068\u306f\u4f55\u304b<\/h2>\r\n<h3 class=\"fz-ml\">Layers\u304c\u89e3\u6c7a\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u554f\u984c<\/h3>\r\n<p>CSS Layers\u306f <code>@layer<\/code> \u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u4f7f\u3063\u3066\u3001CSS\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u968e\u5c64\u7684\u306b\u7ba1\u7406\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u5f93\u6765\u306e\u8a73\u7d30\u5ea6\u306b\u3088\u308b\u512a\u5148\u9806\u4f4d\u3067\u306f\u306a\u304f\u3001\u30ec\u30a4\u30e4\u30fc\u306e\u9806\u5e8f\u3067\u660e\u78ba\u306b\u30b9\u30bf\u30a4\u30eb\u306e\u9069\u7528\u9806\u5e8f\u3092\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002<\/p>\r\n<p>CSS Layers\u306e\u6838\u5fc3\u306f\u3001<b class=\"fw-600\">\u30ec\u30a4\u30e4\u30fc\u9593\u306e\u512a\u5148\u9806\u4f4d\u3092\u8a73\u7d30\u5ea6\u3088\u308a\u3082\u5148\u306b\u8a55\u4fa1\u3059\u308b<\/b>\u3068\u3044\u3046\u70b9\u306b\u3042\u308a\u307e\u3059\u3002<code>@layer base<\/code> \u306e\u4e2d\u306b\u3069\u308c\u3060\u3051\u8a73\u7d30\u5ea6\u306e\u9ad8\u3044\u30bb\u30ec\u30af\u30bf\u3092\u66f8\u3044\u3066\u3082\u3001\u5f8c\u3067\u5ba3\u8a00\u3055\u308c\u305f <code>@layer utilities<\/code> \u306e\u5358\u7d14\u306a\u30af\u30e9\u30b9\u30bb\u30ec\u30af\u30bf\u306b\u306f\u5fc5\u305a\u8ca0\u3051\u307e\u3059\u3002\u300c\u30ec\u30a4\u30e4\u30fc\u306e\u5916\u5074\u306e\u9806\u5e8f\u300d\u3068\u300c\u30ec\u30a4\u30e4\u30fc\u306e\u4e2d\u306e\u8a73\u7d30\u5ea6\u300d\u304c\u591a\u304f\u306e\u5206\u96e2\u3055\u308c\u308b\u306e\u304c\u3001\u5f93\u6765\u306e\u30ab\u30b9\u30b1\u30fc\u30c9\u3068\u306e\u6700\u5927\u306e\u9055\u3044\u3067\u3059\u3002<\/p>\r\n<pre><code class=\"language-css\">\/* \u30ec\u30a4\u30e4\u30fc\u306e\u9806\u5e8f\u3092\u5b9a\u7fa9\uff08\u5de6\u304b\u3089\u53f3\u3078\u512a\u5148\u5ea6\u304c\u4e0a\u304c\u308b\uff09 *\/\r\n@layer reset, base, components, utilities;\r\n\r\n@layer reset {\r\n  * {\r\n    margin: 0;\r\n    padding: 0;\r\n    box-sizing: border-box;\r\n  }\r\n}\r\n\r\n@layer base {\r\n  body {\r\n    font-family: Arial, sans-serif;\r\n    line-height: 1.6;\r\n  }\r\n}\r\n\r\n@layer components {\r\n  .button {\r\n    padding: 0.5rem 1rem;\r\n    border: none;\r\n    border-radius: 4px;\r\n  }\r\n}\r\n\r\n@layer utilities {\r\n  .text-center {\r\n    text-align: center;\r\n  }\r\n}<\/code><\/pre>\r\n<p>\u300c\u3053\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306freset\u2192base\u2192components\u2192utilities\u306e\u9806\u3067\u5fc5\u305a\u4e0a\u66f8\u304d\u3055\u308c\u308b\u300d\u3068\u3044\u3046\u898f\u5f8b\u3092\u3001\u30b3\u30fc\u30c9\u81ea\u4f53\u306b\u660e\u793a\u7684\u306b\u57cb\u3081\u8fbc\u3081\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\r\n<h3 class=\"fz-ml\">\u30b5\u30d6\u30ec\u30a4\u30e4\u30fc\u3067\u3088\u308a\u7d30\u304b\u306a\u5236\u5fa1<\/h3>\r\n<p>\u30ec\u30a4\u30e4\u30fc\u306f\u30c9\u30c3\u30c8\u533a\u5207\u308a\u3067\u30cd\u30b9\u30c8\u3067\u304d\u3001\u30ec\u30a4\u30e4\u30fc\u306e\u4e2d\u3092\u3055\u3089\u306b\u7d30\u5206\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\r\n<pre><code class=\"language-css\">@layer reset, base, components, utilities;\r\n@layer components.base, components.variations, components.states;\r\n\r\n@layer components.base {\r\n  .button {\r\n    padding: 0.5rem 1rem;\r\n    background: #007bff;\r\n    color: white;\r\n  }\r\n}\r\n\r\n@layer components.variations {\r\n  .button--large {\r\n    padding: 1rem 2rem;\r\n    font-size: 1.2rem;\r\n  }\r\n}\r\n\r\n@layer components.states {\r\n  .button:hover {\r\n    background: #0056b3;\r\n  }\r\n}<\/code><\/pre>\r\n<h3 class=\"fz-ml\">\u6700\u5927\u306e\u6ce8\u610f\u70b9\uff1a\u30ec\u30a4\u30e4\u30fc\u672a\u5272\u308a\u5f53\u3066\u306eCSS\u306f\u6700\u512a\u5148<\/h3>\r\n<p>\u3053\u3053\u304cLayers\u4ed5\u69d8\u3067\u6700\u3082\u8aa4\u89e3\u3055\u308c\u3084\u3059\u3044\u90e8\u5206\u3067\u3059\u3002<code>@layer<\/code> \u3067\u56f2\u307e\u308c\u3066\u3044\u306a\u3044\u901a\u5e38\u306eCSS\u306f\u300c\u540d\u524d\u306e\u306a\u3044\u6700\u5f8c\u306e\u30ec\u30a4\u30e4\u30fc\u300d\u3068\u3057\u3066\u6271\u308f\u308c\u3001<b class=\"fw-600\">\u3069\u306e\u30ec\u30a4\u30e4\u30fc\u3088\u308a\u3082\u5e38\u306b\u512a\u5148\u3055\u308c\u307e\u3059<\/b>\u3002\u3064\u307e\u308a\u3001\u81ea\u5206\u306eCSS\u3092\u3069\u308c\u3060\u3051\u7cbe\u5bc6\u306b\u30ec\u30a4\u30e4\u30fc\u5206\u5272\u3057\u3066\u3082\u3001\u30ec\u30a4\u30e4\u30fc\u5316\u3055\u308c\u3066\u3044\u306a\u3044CSS\u304c1\u884c\u3067\u3082\u3042\u308c\u3070\u3001\u305d\u3061\u3089\u304c\u52dd\u3063\u3066\u3057\u307e\u3046\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\r\n\r\n<hr class=\"separator mx-auto mt-3r\" \/>\r\n\r\n<h2 class=\"fz-xl\">\u5b9f\u969b\u306b\u4f7f\u3063\u3066\u5206\u304b\u3063\u305f\u554f\u984c\u70b9<\/h2>\r\n<h3 class=\"fz-ml\">\u30d7\u30e9\u30b0\u30a4\u30f3CSS\u3068\u306e\u5171\u5b58\u554f\u984c<\/h3>\r\n<p>\u5b9f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u6700\u5927\u306e\u58c1\u306b\u306a\u3063\u305f\u306e\u304c\u3001\u307e\u3055\u306b\u524d\u8ff0\u306e\u300c\u30ec\u30a4\u30e4\u30fc\u672a\u5272\u308a\u5f53\u3066CSS\u304c\u6700\u512a\u5148\u300d\u3068\u3044\u3046\u4ed5\u69d8\u3067\u3059\u3002<\/p>\r\n<pre><code class=\"language-css\">\/* \u3042\u306a\u305f\u306e\u7f8e\u3057\u3044\u30ec\u30a4\u30e4\u30fc\u69cb\u9020 *\/\r\n@layer reset, base, components, utilities;\r\n\r\n@layer utilities {\r\n  .margin-0 { margin: 0; } \/* \u6700\u9ad8\u512a\u5148\u5ea6\u306e\u3064\u3082\u308a... *\/\r\n}\r\n\r\n\/* \u3067\u3082\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u666e\u901a\u306eCSS *\/\r\n.some-plugin-class {\r\n  margin: 20px; \/* \u3053\u3061\u3089\u304c\u52dd\u3063\u3066\u3057\u307e\u3046\uff01 *\/\r\n}<\/code><\/pre>\r\n<p>WordPress\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u3001\u5916\u90e8\u304b\u3089\u8aad\u307f\u8fbc\u3080\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30e9\u30a4\u30d6\u30e9\u30ea\u306eCSS\u306f\u3001\u5f53\u7136\u306a\u304c\u3089\u30ec\u30a4\u30e4\u30fc\u5316\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u7d50\u679c\u3068\u3057\u3066\u3001WordPress\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30e9\u30a4\u30d6\u30e9\u30ea\u306eCSS\u304c\u3001\u3042\u306a\u305f\u306e\u7cbe\u5bc6\u306b\u8a2d\u8a08\u3055\u308c\u305f\u30ec\u30a4\u30e4\u30fc\u69cb\u9020\u3092\u7121\u8996\u3057\u3066\u6700\u512a\u5148\u3067\u9069\u7528\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\r\n<pre><code class=\"language-css\">\/* \u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u5b9a\u7fa9\u3059\u308b\u91ce\u86ee\u306a\u30ea\u30bb\u30c3\u30c8 *\/\r\n* {\r\n  margin: 0;\r\n  padding: 0;\r\n  box-sizing: content-box; \/* border-box\u3092\u4e0a\u66f8\u304d\u3057\u3066\u304f\u308b *\/\r\n}\r\n\r\n\/* \u81ea\u5206\u306e\u30ec\u30a4\u30e4\u30fc\u5185\u306e\u8a2d\u5b9a\u306f\u7121\u529b *\/\r\n@layer reset {\r\n  * { box-sizing: border-box; } \/* \u8ca0\u3051\u308b *\/\r\n}\r\n\r\n@layer utilities {\r\n  .p-4 { padding: 1rem; } \/* \u8ca0\u3051\u308b *\/\r\n}<\/code><\/pre>\r\n<p>\u5bfe\u51e6\u6cd5\u3068\u3057\u3066\u3001<code>wp_dequeue_style<\/code> \u3067\u554f\u984c\u306e\u3042\u308b\u30d7\u30e9\u30b0\u30a4\u30f3CSS\u3092\u7121\u52b9\u5316\u3057\u3001\u81ea\u524d\u3067\u30ec\u30a4\u30e4\u30fc\u5316\u3057\u76f4\u3057\u305fCSS\u3092\u8aad\u307f\u8fbc\u3080\u3001<code>!important<\/code> \u3067\u5c40\u6240\u7684\u306b\u52dd\u3064\u3001\u3068\u3044\u3063\u305f\u65b9\u6cd5\u306f\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3053\u308c\u306f\u300c\u30d7\u30e9\u30b0\u30a4\u30f3CSS\u3092\u591a\u304f\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3067\u304d\u308b\u300d\u3068\u3044\u3046\u524d\u63d0\u304c\u3042\u3063\u3066\u521d\u3081\u3066\u6210\u7acb\u3059\u308b\u8a71\u3067\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u6570\u304c\u591a\u3044\u65e2\u5b58\u30b5\u30a4\u30c8\u3067\u306f\u73fe\u5b9f\u7684\u306b\u904b\u7528\u304c\u53b3\u3057\u3044\u3067\u3059\u3002<\/p>\r\n<h3 class=\"fz-ml\"><code>@import<\/code> \u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u554f\u984c<\/h3>\r\n<p>Layers\u306f\u30ec\u30a4\u30e4\u30fc\u3054\u3068\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u5206\u5272\u3057\u3001<code>@import url(...) layer(...)<\/code> \u3067\u8aad\u307f\u8fbc\u3080\u69cb\u6210\u3068\u76f8\u6027\u304c\u826f\u3044\u306e\u3067\u3059\u304c\u3001<code>@import<\/code> \u306f\u76f4\u5217\u8aad\u307f\u8fbc\u307f\u306e\u305f\u3081\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u60aa\u5f71\u97ff\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\r\n<pre><code class=\"language-css\">\/* \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u60aa\u3044\u4f8b *\/\r\n@import url('reset.css') layer(reset);\r\n@import url('components.css') layer(components);\r\n@import url('utilities.css') layer(utilities);\r\n\/* 3\u3064\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u9806\u756a\u306b\u8aad\u307f\u8fbc\u307f = \u9045\u3044 *\/<\/code><\/pre>\r\n<p>\u30d3\u30eb\u30c9\u30c4\u30fc\u30eb\u30671\u30d5\u30a1\u30a4\u30eb\u306b\u7d50\u5408\u3059\u308b\u304b\u3001<code>&lt;link&gt;<\/code> \u30bf\u30b0\u3067\u4e26\u5217\u8aad\u307f\u8fbc\u307f\u3059\u308b\u5f62\u306b\u5909\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u3053\u3053\u3067\u3082\u300cLayers\u306e\u305f\u3081\u306b\u8a2d\u8a08\u3092\u5909\u3048\u308b\u300d\u30b3\u30b9\u30c8\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\r\n\r\n<hr class=\"separator mx-auto mt-3r\" \/>\r\n\r\n<h2 class=\"fz-xl\">Layers\u3092\u8ae6\u3081\u305f\u7406\u7531<\/h2>\r\n<p>\u4eca\u56de\u6271\u3063\u3066\u3044\u305f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u91ce\u86ee\u306a <code>* { margin: 0; padding: 0; }<\/code> \u306e\u3088\u3046\u306aCSS\u304c\u3059\u3079\u3066\u3092\u53f0\u7121\u3057\u306b\u3057\u3066\u3057\u307e\u3046\u74b0\u5883\u3060\u3063\u305f\u305f\u3081\u3001\u6700\u7d42\u7684\u306bCSS Layers\u306e\u672c\u683c\u63a1\u7528\u3092\u65ad\u5ff5\u3057\u307e\u3057\u305f\u3002Layers\u306f\u300c\u8aad\u307f\u8fbc\u307e\u308c\u308bCSS\u304c\u5168\u3066\u30ec\u30a4\u30e4\u30fc\u7ba1\u7406\u4e0b\u306b\u3042\u308b\u300d\u3068\u3044\u3046\u524d\u63d0\u304c\u5d29\u308c\u305f\u77ac\u9593\u306b\u3001\u7406\u8ad6\u4e0a\u306e\u5229\u70b9\u304c\u305d\u306e\u307e\u307e\u5f31\u70b9\u306b\u8ee2\u3058\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u7279\u306bWordPress\u306e\u3088\u3046\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306b\u4f9d\u5b58\u3059\u308bCMS\u74b0\u5883\u3067\u306f\u3001\u3053\u306e\u524d\u63d0\u3092\u62c5\u4fdd\u3059\u308b\u306e\u304c\u96e3\u3057\u3044\u3068\u3044\u3046\u306e\u304c\u5b9f\u611f\u3067\u3057\u305f\u3002<\/p>\r\n\r\n<hr class=\"separator mx-auto mt-3r\" \/>\r\n\r\n<h2 class=\"fz-xl\">\u884c\u304d\u7740\u3044\u305f\u7b54\u3048\uff1a\u8a73\u7d30\u5ea6\u305d\u306e\u3082\u306e\u3092\u8a2d\u8a08\u3059\u308b<\/h2>\r\n<p>Layers\u3092\u8ae6\u3081\u305f\u3042\u3068\u8fbf\u308a\u7740\u3044\u305f\u306e\u304c\u3001<code>:is()<\/code> \u3068 <code>:where()<\/code> \u3092\u4f7f\u3063\u3066\u30bb\u30ec\u30af\u30bf\u81ea\u4f53\u306e\u8a73\u7d30\u5ea6\u3092\u610f\u56f3\u7684\u306b\u56fa\u5b9a\u3059\u308b\u3001\u3068\u3044\u3046\u65b9\u5411\u6027\u3067\u3057\u305f\u3002<\/p>\r\n<h3 class=\"fz-ml\"><code>:where()<\/code> \u306f\u30ec\u30a4\u30e4\u30fc\u76f8\u5f53\u306e\u3053\u3068\u304c\u3067\u304d\u308b<\/h3>\r\n<p><code>:where()<\/code> \u306e\u4e2d\u306b\u4f55\u3092\u66f8\u3044\u3066\u3082\u3001<code>:where()<\/code> \u81ea\u4f53\u306e\u8a73\u7d30\u5ea6\u306f\u5e38\u306b0\u3068\u3057\u3066\u8a08\u7b97\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3092\u5229\u7528\u3059\u308b\u3068\u3001\u30ec\u30a4\u30e4\u30fc\u3067\u5b9f\u73fe\u3057\u305f\u304b\u3063\u305f\u300c\u30d9\u30fc\u30b9\u306f\u5f31\u304f\u3001\u4e0a\u66f8\u304d\u306f\u78ba\u5b9f\u306b\u300d\u3068\u3044\u3046\u95a2\u4fc2\u3092\u3001\u30ec\u30a4\u30e4\u30fc\u3068\u3044\u3046\u4ed5\u7d44\u307f\u306a\u3057\u306b\u8868\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\r\n<pre><code class=\"language-css\">\/* .button \u306e\u57fa\u672c\u5f62 *\/\r\n.theme-name :is(.badge, .button) {\r\n  padding-block: 0.5em;\r\n}\r\n\r\n\/* \u30d0\u30ea\u30a2\u30f3\u30c8\u306f :where() \u3067\u5305\u3080\u3053\u3068\u3067\u8a73\u7d30\u5ea6\u3092\u5897\u3084\u3055\u306a\u3044 *\/\r\n.theme-name :is(.badge, .button):where(.is-narrow) {\r\n  padding-block: calc(0.5em \/ 1.5);\r\n}<\/code><\/pre>\r\n<p><code>.is-narrow<\/code> \u3092\u5f8c\u304b\u3089\u4ed8\u3051\u8db3\u3057\u3066\u3082\u3001\u8a73\u7d30\u5ea6\u4e0a\u306e\u512a\u4f4d\u6027\u3067\u4e0a\u66f8\u304d\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u300c\u540c\u3058\u8a73\u7d30\u5ea6\u306e\u307e\u307e\u3001CSS\u306e\u8a18\u8ff0\u9806\u5e8f\u3067\u78ba\u5b9f\u306b\u4e0a\u66f8\u304d\u3055\u308c\u308b\u300d\u95a2\u4fc2\u3092\u4f5c\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306fLayers\u304c\u300c\u5ba3\u8a00\u9806\u3067\u512a\u5148\u9806\u4f4d\u3092\u6c7a\u3081\u308b\u300d\u306e\u3068\u3088\u304f\u4f3c\u305f\u767a\u60f3\u3067\u3059\u3002<\/p>\r\n<h3 class=\"fz-ml\"><code>:is()<\/code> \u3067\u300c\u57fa\u672c\u5f62\u306e\u8a73\u7d30\u5ea6\u300d\u3092\u56fa\u5b9a\u3059\u308b<\/h3>\r\n<p><code>:is()<\/code> \u306f\u5185\u5074\u306e\u30bb\u30ec\u30af\u30bf\u30ea\u30b9\u30c8\u306e\u3046\u3061<b class=\"fw-600\">\u6700\u3082\u8a73\u7d30\u5ea6\u304c\u9ad8\u3044\u3082\u306e<\/b>\u304c\u305d\u306e\u307e\u307e <code>:is()<\/code> \u5168\u4f53\u306e\u8a73\u7d30\u5ea6\u3068\u3057\u3066\u63a1\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3092\u5229\u7528\u3057\u3066\u3001\u300c\u3053\u306e\u30ec\u30a4\u30e4\u30fc\u306e\u30bb\u30ec\u30af\u30bf\u306f\u5fc5\u305a\u3053\u306e\u8a73\u7d30\u5ea6\u306b\u3059\u308b\u300d\u3068\u3044\u3046\u898f\u5f8b\u3092\u3001\u30b3\u30fc\u30c9\u306e\u66f8\u304d\u65b9\u305d\u306e\u3082\u306e\u3067\u5f37\u5236\u3067\u304d\u307e\u3059\u3002\u30d7\u30e9\u30b0\u30a4\u30f3CSS\u306e\u3088\u3046\u306a\u5916\u90e8\u8981\u56e0\u306b\u5de6\u53f3\u3055\u308c\u306a\u3044\u3001CSS\u81ea\u8eab\u306e\u4e2d\u3067\u5b8c\u7d50\u3059\u308b\u4ed5\u7d44\u307f\u3068\u3044\u3046\u70b9\u304c\u3001Layers\u3068\u306e\u5927\u304d\u306a\u9055\u3044\u3067\u3059\u3002<\/p>\r\n<h3 class=\"fz-ml\">\u5b9f\u4f8b\uff1a\u30ec\u30a4\u30e4\u30fc\u3054\u3068\u306b\u8a73\u7d30\u5ea6\u306e\u30ec\u30f3\u30b8\u3092\u6c7a\u3081\u308b<\/h3>\r\n<p>\u5177\u4f53\u7684\u306b\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u5f79\u5272\u3054\u3068\u306b\u8a73\u7d30\u5ea6\u306e\u76ee\u5b89\u3092\u6c7a\u3081\u3066\u904b\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<table class=\"table my-0.5r\">\r\n  <thead>\r\n  <tr class=\"rung\">\r\n    <th>\u30ec\u30a4\u30e4\u30fc<\/th>\r\n    <td>\u5f79\u5272<\/td>\r\n    <td>\u8a73\u7d30\u5ea6\u306e\u76ee\u5b89<\/td>\r\n  <\/tr>\r\n<\/thead><tbody>\r\n<tr class=\"rung\">\r\n  <th>settings<\/th>\r\n  <td>\u5909\u6570\u30fb\u30c8\u30fc\u30af\u30f3\u5b9a\u7fa9<\/td>\r\n  <td>CSS\u306e\u6307\u5b9a\u306a\u3057<\/td>\r\n<\/tr><tr class=\"rung\">\r\n<th>foundations<\/th>\r\n<td>\u30ea\u30bb\u30c3\u30c8\u30fb\u4e0b\u5730<\/td>\r\n<td>0\u301c1<\/td>\r\n<\/tr><tr class=\"rung\">\r\n<th>layouts<\/th>\r\n<td>\u30da\u30fc\u30b8\u306e\u30ec\u30a4\u30a2\u30a6\u30c8<\/td>\r\n<td>1\u301c2<\/td>\r\n<\/tr><tr class=\"rung\">\r\n<th>components<\/th>\r\n<td>\u30d0\u30c3\u30b8\u30fb\u30dc\u30bf\u30f3\u306a\u3069<\/td>\r\n<td>2\u301c3<\/td>\r\n<\/tr><tr class=\"rung\">\r\n<th>utilities<\/th>\r\n<td>\u5358\u4e00\u76ee\u7684\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3<\/td>\r\n<td>3\u301c4<\/td>\r\n<\/tr><tr class=\"rung\">\r\n<th>trumps<\/th>\r\n<td>\u7dca\u6025\u6642\u306e\u4e0a\u66f8\u304d\uff08<code>!important<\/code>\u8a31\u5bb9\uff09<\/td>\r\n<td>\u2014<\/td>\r\n<\/tr>\r\n<\/tbody><\/table>\r\n<p>ITCSS\u306e\u300c\u9006\u4e09\u89d2\u5f62\u300d\u306e\u8003\u3048\u65b9\u3092\u30d9\u30fc\u30b9\u306b\u3001<code>:is()<\/code> \/ <code>:where()<\/code> \u3092\u4f7f\u3063\u3066\u3053\u306e\u30ec\u30f3\u30b8\u3092\u5b9f\u30bb\u30ec\u30af\u30bf\u3068\u3057\u3066\u56fa\u5b9a\u3059\u308b\u8a2d\u8a08\u3067\u3059\u3002\u3053\u306e\u8a73\u7d30\u5ea6\u8a2d\u8a08\u306e\u7d30\u304b\u3044\u8003\u3048\u65b9\u3084\u3001ITCSS\u3068FLOCSS\u3092\u3069\u3046\u7d44\u307f\u5408\u308f\u305b\u3066\u3044\u308b\u304b\u306f\u3001\u5225\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u6271\u3044\u307e\u3059\u3002<\/p>\r\n\r\n<a href=\"https:\/\/code-plus.jp\/gp\/itcss-flocss-12943\/\" class=\"linkbox my-1.5r\">\r\n<h4 class=\"linkbox-title fz-md\">CSS\u8a2d\u8a08\uff5cITCSS\u00d7FLOCSS\u306e\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u69cb\u6210\u3068\u8a73\u7d30\u5ea6\u8a2d\u8a08\u306e\u5b9f\u4f8b<\/h4>\r\n<picture class=\"linkbox-thumbnail\">\r\n<img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/code-plus.jp\/gp\/wp-content\/uploads\/2f493ab51e39496ea178891a222741a5.jpg?ver=20260701103123\" alt=\"CSS\u8a2d\u8a08\uff5cITCSS\u00d7FLOCSS\u306e\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u69cb\u6210\u3068\u8a73\u7d30\u5ea6\u8a2d\u8a08\u306e\u5b9f\u4f8b\" loading=\"lazy\" \/>\r\n<\/picture>\r\n<span class=\"linkbox-excerpt\">ITCSS\u3068FLOCSS\u306f\u3069\u3061\u3089\u3082CSS\u8a2d\u8a08\u306e\u4ee3\u8868\u7684\u306a\u624b\u6cd5\u3067\u3059\u304c\u3001\u6027\u8cea\u3082\u5f97\u610f\u5206\u91ce\u3082\u7570\u306a\u308a\u307e\u3059\u3002\u4e21\u8005\u306e\u9055\u3044\u3092\u6574\u7406\u3057\u3064\u3064\u3001\u8272\u30c8\u30fc\u30af\u30f3\u7cfb\u30d5\u30a1\u30a4\u30eb\u306e\u7f6e\u304d\u5834\u306b\u8ff7\u3063\u305f\u5b9f\u4f8b\u3084\u3001`:is()` \/ `:where()` \u3092\u4f7f\u3063\u3066\u8a73\u7d30\u5ea6\u3092\u56fa\u5b9a\u3059\u308b6\u5c64\u69cb\u6210\u306e\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u8a2d\u8a08\u3092\u7d39\u4ecb...\r\n&emsp;<u class=\"linkbox-more\">\u7d9a\u304d\u3092\u8aad\u3080<\/u>\r\n<\/span>\r\n<\/a>\r\n\r\n<hr class=\"separator mx-auto mt-3r\" \/>\r\n\r\n<h2 class=\"fz-xl\">CSS Layers\u3092\u4f7f\u3046\u3079\u304d\uff1f\u4f7f\u308f\u306a\u3044\u3079\u304d\uff1f<\/h2>\r\n<h3 class=\"fz-ml\">\u4f7f\u3046\u3053\u3068\u3092\u63a8\u5968\u3059\u308b\u30b1\u30fc\u30b9<\/h3>\r\n<ul style=\"list-style-type:bullet;\" class=\"my-0.5r\">\r\n<li><b class=\"fw-600\">\u65b0\u898f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8<\/b>\u3067\u3001\u8aad\u307f\u8fbc\u3080CSS\u3092\u3059\u3079\u3066\u81ea\u5206\u3067\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3067\u304d\u308b<\/li>\r\n<li><b class=\"fw-600\">\u30c1\u30fc\u30e0\u958b\u767a<\/b>\u3067\u3001CSS\u69cb\u9020\u306e\u7d71\u4e00\u304c\u91cd\u8981<\/li>\r\n<li><b class=\"fw-600\">\u30c7\u30b6\u30a4\u30f3\u30b7\u30b9\u30c6\u30e0<\/b>\u3092\u69cb\u7bc9\u3057\u3066\u3044\u3066\u3001\u5916\u90e8CSS\u306e\u6df7\u5165\u304c\u306a\u3044<\/li>\r\n<\/ul>\r\n<h3 class=\"fz-ml\">\u4f7f\u308f\u306a\u3044\u65b9\u304c\u826f\u3044\u30b1\u30fc\u30b9\u3001\u3042\u308b\u3044\u306f\u4ee3\u66ff\u3092\u691c\u8a0e\u3059\u3079\u304d\u30b1\u30fc\u30b9<\/h3>\r\n<ul style=\"list-style-type:bullet;\" class=\"my-0.5r\">\r\n<li><b class=\"fw-600\">\u65e2\u5b58\u306eWordPress\u30b5\u30a4\u30c8<\/b>\u3067\u8907\u6570\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u30fb\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b<\/li>\r\n<li><b class=\"fw-600\">\u30d7\u30e9\u30b0\u30a4\u30f3CSS\u3092\u5236\u5fa1\u3067\u304d\u306a\u3044<\/b>\u74b0\u5883<\/li>\r\n<li>\u5b66\u7fd2\u30fb\u79fb\u884c\u30b3\u30b9\u30c8\u306b\u898b\u5408\u3046\u307b\u3069\u306e\u898f\u6a21\u3067\u306f\u306a\u3044<\/li>\r\n<\/ul>\r\n<p>Layers\u3067\u306a\u304f\u3066\u3082\u3001<code>:is()<\/code> \/ <code>:where()<\/code> \u3092\u4f7f\u3063\u305f\u8a73\u7d30\u5ea6\u8a2d\u8a08\u3068\u3044\u3046\u9078\u629e\u80a2\u304c\u3042\u308b\u3053\u3068\u306f\u3001\u7279\u306bWordPress\u306e\u3088\u3046\u306a\u74b0\u5883\u3067\u958b\u767a\u3057\u3066\u3044\u308b\u4eba\u306b\u306f\u77e5\u3063\u3066\u304a\u3044\u3066\u3082\u3089\u3044\u305f\u3044\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\r\n\r\n<hr class=\"separator mx-auto mt-3r\" \/>\r\n\r\n<h2 class=\"fz-xl\">\u307e\u3068\u3081<\/h2>\r\n<p><b class=\"fw-600\">\u826f\u3044\u70b9<\/b><\/p>\r\n<ul style=\"list-style-type:bullet;\" class=\"my-0.5r\">\r\n<li>\u8a73\u7d30\u5ea6\u306e\u554f\u984c\u3092\u6839\u672c\u89e3\u6c7a\u3067\u304d\u308b\uff08\u6761\u4ef6\u304c\u63c3\u3048\u3070\uff09<\/li>\r\n<li>\u69cb\u9020\u7684\u306aCSS\u7ba1\u7406\u304c\u53ef\u80fd<\/li>\r\n<li>\u30c1\u30fc\u30e0\u958b\u767a\u3067\u306e\u4fdd\u5b88\u6027\u5411\u4e0a<\/li>\r\n<\/ul>\r\n<p><b class=\"fw-600\">\u8ab2\u984c<\/b><\/p>\r\n<ul style=\"list-style-type:bullet;\" class=\"my-0.5r\">\r\n<li>\u30d7\u30e9\u30b0\u30a4\u30f3CSS\u306a\u3069\u3001\u30ec\u30a4\u30e4\u30fc\u5316\u3055\u308c\u3066\u3044\u306a\u3044CSS\u306b\u306f\u7121\u6761\u4ef6\u3067\u8ca0\u3051\u308b<\/li>\r\n<li><code>@import<\/code> \u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5f71\u97ff<\/li>\r\n<li>\u5b66\u7fd2\u30b3\u30b9\u30c8\u3068\u79fb\u884c\u30b3\u30b9\u30c8<\/li>\r\n<\/ul>\r\n<p>CSS Layers\u306f\u7406\u8ad6\u7684\u306b\u306f\u512a\u308c\u305f\u6a5f\u80fd\u3067\u3001\u81ea\u5206\u306eCSS\u3060\u3051\u3067\u5b8c\u7d50\u3059\u308b\u74b0\u5883\u3067\u306f\u4eca\u3067\u3082\u6709\u529b\u306a\u9078\u629e\u80a2\u3067\u3059\u3002\u305f\u3060\u3057\u3001WordPress\u306e\u3088\u3046\u306b\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3CSS\u306e\u6df7\u5165\u3092\u907f\u3051\u3089\u308c\u306a\u3044\u74b0\u5883\u3067\u306f\u3001Layers\u306e\u4ed5\u69d8\u4e0a\u306e\u5f31\u70b9\u304c\u305d\u306e\u307e\u307e\u904b\u7528\u4e0a\u306e\u5f31\u70b9\u306b\u306a\u308a\u307e\u3059\u3002\u81ea\u5206\u306e\u5834\u5408\u306f\u3001\u305d\u306e\u5f31\u70b9\u3092\u56de\u907f\u3059\u308b\u5f62\u3067 <code>:is()<\/code> \/ <code>:where()<\/code> \u306b\u3088\u308b\u8a73\u7d30\u5ea6\u8a2d\u8a08\u306b\u884c\u304d\u7740\u304d\u307e\u3057\u305f\u3002<\/p>\r\n<p>\u6b21\u306e\u8a18\u4e8b\u3067\u306f\u3001\u3053\u306e\u8a73\u7d30\u5ea6\u8a2d\u8a08\u306e\u571f\u53f0\u306b\u306a\u3063\u3066\u3044\u308bITCSS\u3068FLOCSS\u306e\u8003\u3048\u65b9\u3001\u305d\u3057\u3066\u5b9f\u969b\u306e\u30ec\u30a4\u30e4\u30fc\u5206\u3051\u306e\u5168\u4f53\u50cf\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002\u307e\u305f\u3001<code>:is()<\/code> \/ <code>:where()<\/code> \u3092\u306f\u3058\u3081\u3068\u3057\u305f\u64ec\u4f3c\u30af\u30e9\u30b9\u95a2\u6570\u3054\u3068\u306e\u8a73\u7d30\u5ea6\u306e\u6319\u52d5\u306b\u3064\u3044\u3066\u306f\u3001\u56f3\u89e3\u4ed8\u304d\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u6574\u7406\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\r\n\r\n<hr class=\"separator mx-auto mt-3r\" \/>\r\n\r\n<h2 class=\"fz-xl\">\u95a2\u9023\u8a18\u4e8b<\/h2>\r\n\r\n<a href=\"https:\/\/code-plus.jp\/gp\/itcss-flocss-12943\/\" class=\"linkbox my-1.5r\">\r\n<h4 class=\"linkbox-title fz-md\">CSS\u8a2d\u8a08\uff5cITCSS\u00d7FLOCSS\u306e\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u69cb\u6210\u3068\u8a73\u7d30\u5ea6\u8a2d\u8a08\u306e\u5b9f\u4f8b<\/h4>\r\n<picture class=\"linkbox-thumbnail\">\r\n<img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/code-plus.jp\/gp\/wp-content\/uploads\/2f493ab51e39496ea178891a222741a5.jpg?ver=20260701103123\" alt=\"CSS\u8a2d\u8a08\uff5cITCSS\u00d7FLOCSS\u306e\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u69cb\u6210\u3068\u8a73\u7d30\u5ea6\u8a2d\u8a08\u306e\u5b9f\u4f8b\" loading=\"lazy\" \/>\r\n<\/picture>\r\n<span class=\"linkbox-excerpt\">ITCSS\u3068FLOCSS\u306f\u3069\u3061\u3089\u3082CSS\u8a2d\u8a08\u306e\u4ee3\u8868\u7684\u306a\u624b\u6cd5\u3067\u3059\u304c\u3001\u6027\u8cea\u3082\u5f97\u610f\u5206\u91ce\u3082\u7570\u306a\u308a\u307e\u3059\u3002\u4e21\u8005\u306e\u9055\u3044\u3092\u6574\u7406\u3057\u3064\u3064\u3001\u8272\u30c8\u30fc\u30af\u30f3\u7cfb\u30d5\u30a1\u30a4\u30eb\u306e\u7f6e\u304d\u5834\u306b\u8ff7\u3063\u305f\u5b9f\u4f8b\u3084\u3001`:is()` \/ `:where()` \u3092\u4f7f\u3063\u3066\u8a73\u7d30\u5ea6\u3092\u56fa\u5b9a\u3059\u308b6\u5c64\u69cb\u6210\u306e\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u8a2d\u8a08\u3092\u7d39\u4ecb...\r\n&emsp;<u class=\"linkbox-more\">\u7d9a\u304d\u3092\u8aad\u3080<\/u>\r\n<\/span>\r\n<\/a>\r\n\r\n<a href=\"https:\/\/code-plus.jp\/gp\/css-specificity-12955\/\" class=\"linkbox my-1.5r\">\r\n<h4 class=\"linkbox-title fz-md\">CSS\u8a73\u7d30\u5ea6\u3092\u56f3\u89e3\u3059\u308b\uff1aIDs\u30fbclass\u30fbtype\u304b\u3089 :is() :where()\u307e\u3067<\/h4>\r\n<picture class=\"linkbox-thumbnail\">\r\n<img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/code-plus.jp\/gp\/wp-content\/uploads\/f830be1b4c84c23390e3bb9c6023a479.jpg?ver=20260701103123\" alt=\"CSS\u8a73\u7d30\u5ea6\u3092\u56f3\u89e3\u3059\u308b\uff1aIDs\u30fbclass\u30fbtype\u304b\u3089 :is() :where()\u307e\u3067\" loading=\"lazy\" \/>\r\n<\/picture>\r\n<span class=\"linkbox-excerpt\">CSS\u304c\u300c\u601d\u3063\u305f\u901a\u308a\u306b\u4e0a\u66f8\u304d\u3055\u308c\u306a\u3044\u300d\u3068\u304d\u3001\u539f\u56e0\u306e\u591a\u304f\u306f\u8a73\u7d30\u5ea6\uff08specificity\uff09\u306e\u7406\u89e3\u4e0d\u8db3\u3067\u3059\u3002\u524d\u56de\u307e\u3067\u306e\u8a18\u4e8b\u3067 :is() \/ :where() \u3092\u4f7f\u3063\u305f\u8a73\u7d30\u5ea6\u8a2d\u8a08\u306e\u8a71\u3092\u3057\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u305d\u3082\u305d\u3082\u8a73\u7d30\u5ea6\u304c\u3069\u3046\u8a08\u7b97\u3055\u308c\u308b\u306e\u304b\u3092\u6574\u7406\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u4eca\u56de...\r\n&emsp;<u class=\"linkbox-more\">\u7d9a\u304d\u3092\u8aad\u3080<\/u>\r\n<\/span>\r\n<\/a>\r\n\r\n<a href=\"https:\/\/code-plus.jp\/gp\/nth-of-type-12913\/\" class=\"linkbox my-1.5r\">\r\n<h4 class=\"linkbox-title fz-md\">CSS\u3067\u300c\u4f55\u756a\u76ee\u304b\u300d\u3092\u6307\u5b9a\u3059\u308b\uff1anth\u7cfb\u30bb\u30ec\u30af\u30bf\u3068\u30af\u30e9\u30b9\u30d9\u30fc\u30b9\u4f4d\u7f6e\u9078\u629e\u306e\u5b8c\u5168\u30ac\u30a4\u30c9<\/h4>\r\n<picture class=\"linkbox-thumbnail\">\r\n<img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/code-plus.jp\/gp\/wp-content\/uploads\/ec7482348bf095c3682cdeabd5682bad.jpg?ver=20260701103123\" alt=\"CSS\u3067\u300c\u4f55\u756a\u76ee\u304b\u300d\u3092\u6307\u5b9a\u3059\u308b\uff1anth\u7cfb\u30bb\u30ec\u30af\u30bf\u3068\u30af\u30e9\u30b9\u30d9\u30fc\u30b9\u4f4d\u7f6e\u9078\u629e\u306e\u5b8c\u5168\u30ac\u30a4\u30c9\" loading=\"lazy\" \/>\r\n<\/picture>\r\n<span class=\"linkbox-excerpt\">\uff1anth-of-type\u30fb:nth-last-of-type \u306e\u5f0f\u306e\u8aad\u307f\u65b9\u304b\u3089\u3001:is() \/ :not() \/ :has() \u3092\u4f7f\u3063\u305f\u30af\u30e9\u30b9\u30d9\u30fc\u30b9\u4f4d\u7f6e\u9078\u629e\u307e\u3067\u7db2\u7f85\u3002\u300c\u6700\u521d\u3068\u6700\u5f8c\u4ee5\u5916\u300d\u306e\u8907\u6570\u306e\u66f8\u304d\u65b9\u3068\u8a73\u7d30\u5ea6\u306e\u6bd4\u8f03\u3082\u53ce\u9332\u3002CSS\u8a2d\u8a08\u306e\u5b9f\u52d9\u306b\u5f79\u7acb\u3064\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\r\n&emsp;<u class=\"linkbox-more\">\u7d9a\u304d\u3092\u8aad\u3080<\/u>\r\n<\/span>\r\n<\/a>","protected":false},"excerpt":{"rendered":"CSS Layers\u306f\u8a73\u7d30\u5ea6\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u5f37\u529b\u306a\u4ed5\u7d44\u307f\u3067\u3059\u304c\u3001\u30d7\u30e9\u30b0\u30a4\u30f3CSS\u3068\u306e\u5171\u5b58\u306b\u5927\u304d\u306a\u58c1\u304c\u3042\u308a\u307e\u3059\u3002\u5b9f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u76f4\u9762\u3057\u305f\u554f\u984c\u70b9\u3068\u3001:is() \/ :where() \u3092\u4f7f\u3063\u305f\u8a73\u7d30\u5ea6\u8a2d\u8a08\u3068\u3044\u3046\u4ee3\u66ff\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u5b9f\u4f8b\u3064\u304d\u3067\u89e3\u8aac\u3057\u307e\u3059\u3002","protected":false},"author":1,"featured_media":9746,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"sns_share_botton_hide":"","vkExUnit_sns_title":"","_vk_print_noindex":"","footnotes":"","vk-ltc-link":"","vk-ltc-target":"0"},"categories":[11],"tags":[986,983,984,985,987,988,979,239,240,102],"group":[],"class_list":["post-9573","post","type-post","status-publish","format-standard","has-post-thumbnail","category-html-css","tag-css","tag-layer","tag-where","tag-itcss","tag-flocss","tag-is","tag-css-layers","tag-240","tag-wordpress"],"acf":[],"veu_head_title_object":{"title":"","add_site_title":""},"_links":{"self":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/posts\/9573","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/comments?post=9573"}],"version-history":[{"count":6,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/posts\/9573\/revisions"}],"predecessor-version":[{"id":12970,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/posts\/9573\/revisions\/12970"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/media\/9746"}],"wp:attachment":[{"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/media?parent=9573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/categories?post=9573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/tags?post=9573"},{"taxonomy":"group","embeddable":true,"href":"https:\/\/code-plus.jp\/gp\/wp-json\/wp\/v2\/group?post=9573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}