{"id":54245,"date":"2024-01-22T20:09:13","date_gmt":"2024-01-22T11:09:13","guid":{"rendered":"https:\/\/kinsta.com\/jp\/?p=54245&#038;preview=true&#038;preview_id=54245"},"modified":"2024-01-26T17:10:04","modified_gmt":"2024-01-26T08:10:04","slug":"advanced-css-techniques","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/advanced-css-techniques\/","title":{"rendered":"\u4e0a\u7d1a\u8005\u5411\u3051CSS\u30c6\u30af\u30cb\u30c3\u30af\u3092\u89e3\u8aac\uff08\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3001\u5909\u5f62\u306a\u3069\uff09"},"content":{"rendered":"<p>CSS\u306e\u5f79\u76ee\u306f\u3001\u3082\u306f\u3084\u30b5\u30a4\u30c8\u3092\u7f8e\u3057\u304f\u898b\u305b\u308b\u3053\u3068\u3060\u3051\u306b\u3068\u3069\u307e\u308a\u307e\u305b\u3093\u3002\u304b\u3064\u3066\u306f\u8003\u3048\u3089\u308c\u306a\u304b\u3063\u305f\u52d5\u304d\u3084\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u3092\u7528\u3044\u3066\u3001\u30b5\u30a4\u30c8\u306b\u547d\u3092\u5439\u304d\u8fbc\u3080\u30c4\u30fc\u30eb\u3078\u3068\u9032\u5316\u3092\u9042\u3052\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306fCSS\u306e\u4e2d\u3067\u3082\u7279\u306b\u5f37\u529b\u306a\u6a5f\u80fd\u3001\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3001\u5909\u5f62\u306a\u3069\u3092\u53d6\u308a\u4e0a\u3052\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u9ad8\u5ea6\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3092\u7406\u89e3\u3057\u3066\u3001\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/css-best-practices\/\">CSS\u306e\u57fa\u672c<\/a>\u3092\u8d85\u3048\u3001\u6642\u4ee3\u306b\u6d41\u3055\u308c\u306a\u3044\u6d17\u7df4\u3055\u308c\u305f\u30b5\u30a4\u30c8\u3092\u69cb\u7bc9\u3059\u308b\u30a6\u30a7\u30d6\u30c7\u30b6\u30a4\u30ca\u30fc\u3084\u958b\u767a\u8005\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u30ec\u30d9\u30eb\u30a2\u30c3\u30d7\u3059\u308b\u305f\u3081\u306e\u30b9\u30ad\u30eb\u3092\u78e8\u304d\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3053\u306e\u8a18\u4e8b\u304b\u3089\u3001\u6b21\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30a4\u30f3\u30b9\u30d4\u30ec\u30fc\u30b7\u30e7\u30f3\u3082\u898b\u3064\u304b\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<br \/>\n<div><\/div><kinsta-auto-toc heading=\"Table of Contents\" exclude=\"last\" list-style=\"arrow\" selector=\"h2\" count-number=\"-1\"><\/kinsta-auto-toc><\/p>\n<h2>\u9ad8\u5ea6\u306aCSS\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3<\/h2>\n<p>\u9ad8\u5ea6\u306aCSS\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u306f\u3001UI\u8981\u7d20\u3092\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u3067\u9b45\u529b\u7684\u306a\u3082\u306e\u306b\u3057\u3001\u8a2a\u554f\u8005\u306e\u76ee\u3092\u5f15\u304d\u307e\u3059\u3002\u30b5\u30a4\u30c8\u306e\u4f55\u6c17\u306a\u3044\u30dc\u30bf\u30f3\u3072\u3068\u3064\u3067\u3082\u3001CSS\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u3092\u4f7f\u3048\u3070\u3001\u30ab\u30fc\u30bd\u30eb\u3092\u5408\u308f\u305b\u308b\u3068\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u8272\u304c\u5909\u5316\u3057\u305f\u308a\u3001\u30b5\u30a4\u30ba\u304c\u5927\u304d\u304f\u306a\u3063\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u6a5f\u80fd\u306f\u3001CSS\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u7570\u306a\u308b\u72b6\u614b\u9593\uff08\u300c\u5909\u66f4\u524d\u300d\u3068\u300c\u5909\u66f4\u5f8c\u300d\uff09\u306e\u9699\u9593\u3092\u300c\u88dc\u5b8c\u300d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u52b9\u679c\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8907\u6570\u306eCSS\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>transition\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong>\uff1a\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306b\u3057\u305f\u3044\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u6307\u5b9a\uff08<code>background-color<\/code>\u3084<code>opacity<\/code>\u306a\u3069\uff09\u3001\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u306e\u7d99\u7d9a\u6642\u9593\u306e\u8a2d\u5b9a\u3001<code>transition-timing-function<\/code>\u306e\u6c7a\u5b9a\uff08<code>ease-in<\/code>\u3084<code>linear<\/code>\u306a\u3069\uff09\u306a\u3069\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u30bf\u30a4\u30df\u30f3\u30b0\u95a2\u6570<\/strong>\uff1a\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u306e\u901f\u5ea6\u3092\u5236\u5fa1\u3059\u308b\u305f\u3081\u306b\u5fc5\u9808\u306e\u95a2\u6570\u3002\u6700\u3082\u6c4e\u7528\u6027\u306e\u9ad8\u3044\u306e\u306f<code>cubic-bezier<\/code>\u95a2\u6570\u3067\u3001\u72ec\u81ea\u306e\u52a0\u901f\u30ab\u30fc\u30d6\u3092\u4f5c\u3063\u3066\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u306e\u901f\u5ea6\u3092\u5b8c\u5168\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f7f\u3044\u6163\u308c\u308b\u307e\u3067\u306b\u306f\u6642\u9593\u304c\u304b\u304b\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001<a href=\"https:\/\/cubic-bezier.com\/#.64,.55,.93,.18\" target=\"_blank\" rel=\"noopener noreferrer\">cubic-bezier<\/a>\u3088\u3046\u306a\u30c4\u30fc\u30eb\u3092\u4f7f\u3048\u3070\u3001\u8996\u899a\u7684\u306b\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<figure id=\"attachment_173234\" aria-describedby=\"caption-attachment-173234\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-173234 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/01\/cubic-bezier.png\" alt=\"cubic-bezier\u306e\u4f7f\u7528\u4f8b\" width=\"900\" height=\"364\"><figcaption id=\"caption-attachment-173234\" class=\"wp-caption-text\">cubic-bezier\u306e\u4f7f\u7528\u4f8b<\/figcaption><\/figure>\n<p>\u7c21\u5358\u306a\u4f7f\u7528\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre><code class=\"language-css\">.my-element {\n\ntransition-property: opacity;\n\ntransition-duration: 0.5s;\n\ntransition-timing-function: cubic-bezier(0.17, 0.67, 0.83, 0.67);\n\n}\n<\/code><\/pre>\n<p><code>.my-element<\/code>\u306f\u3001<code>cubic-bezier<\/code>\u95a2\u6570\u306b\u3088\u3063\u3066\u5b9a\u7fa9\u3055\u308c\u305f\u72ec\u81ea\u306e\u52a0\u901f\u30ab\u30fc\u30d6\u3067\u4e0d\u900f\u660e\u5ea6\u3092\u5909\u5316\u3055\u305b\u307e\u3059\u3002\u3053\u306e\u30ab\u30fc\u30d6\u306f\u3001\u3086\u3063\u304f\u308a\u59cb\u307e\u3063\u3066\u304b\u3089\u52a0\u901f\u3057\u3001\u6700\u5f8c\u306b\u306f\u6e1b\u901f\u3059\u308b\u3068\u3044\u3046\u3088\u3046\u306b\u3001\u7279\u5b9a\u306e\u7a2e\u985e\u306e\u52d5\u304d\u3092\u6307\u793a\u3057\u307e\u3059\u3002<\/p>\n<p><code>transition-timing-function<\/code>\u3067\u72ec\u81ea\u306e\u5024\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u30a6\u30a7\u30d6\u8981\u7d20\u3092\u3088\u308a\u81ea\u7136\u306b\u3001\u3088\u308a\u5927\u80c6\u306b\u3001\u6a19\u6e96\u306e\u67a0\u3092\u8d85\u3048\u305f\u65b9\u6cd5\u3067\u52d5\u304b\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30a6\u30a7\u30d6\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306b\u500b\u6027\u3068\u6280\u5de7\u3092\u52a0\u3048\u308b\u306e\u306b\u3082\u3063\u3066\u3053\u3044\u3067\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u9ad8\u5ea6\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>\u8907\u6570\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u7d44\u307f\u5408\u308f\u305b\u308b<\/strong>\u2500\u8907\u6570\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4e26\u3079\u3066\u4e00\u5ea6\u306b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u8868\u73fe\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3002\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306b\u30ec\u30a4\u30e4\u30fc\u3092\u8ffd\u52a0\u3059\u308b\u306e\u306b\u9069\u3057\u3066\u3044\u308b\u3002<\/li>\n<li><strong>\u540c\u671f\u3057\u305f\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/strong>\u2500\u7570\u306a\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4e26\u3079\u3066\u3001\u540c\u3058\u30da\u30fc\u30b9\u3067\u52d5\u304b\u3059\u3053\u3068\u3082\u3002<\/li>\n<li><strong>\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3<\/strong>\u2500\u30b3\u30f3\u30c6\u30ca\u5185\u306e\u8981\u7d20\u306b\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30c6\u30ca\u3092\u64cd\u4f5c\u3057\u305f\u969b\u306b\u5b50\u8981\u7d20\u3092\u601d\u3044\u901a\u308a\u306b\u52d5\u4f5c\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/li>\n<\/ol>\n<p>\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u898b\u6804\u3048\u306f\u3082\u3061\u308d\u3093\u3067\u3059\u304c\u3001\u7279\u306b\u4f4e\u30b9\u30da\u30c3\u30af\u306e\u7aef\u672b\u3067\u3082\u30b9\u30e0\u30fc\u30ba\u306b\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u30d6\u30e9\u30a6\u30b6\u306b\u8ca0\u62c5\u3092\u304b\u3051\u305a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u306a\u3044<code>transform<\/code>\u3001<code>opacity<\/code>\u306e\u3088\u3046\u306a\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u4f7f\u7528\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001<code>will-change<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u30d6\u30e9\u30a6\u30b6\u306b\u77e5\u3089\u305b\u308b\u3053\u3068\u3067\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u6e96\u5099\u3092\u6574\u3048\u3001\u3059\u3079\u3066\u304c\u30b9\u30e0\u30fc\u30ba\u306b\u5b9f\u884c\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u300c\u6c17\u96e3\u3057\u3055\u300d\u3082\u5ff5\u982d\u306b\u304a\u304d\u307e\u3057\u3087\u3046\u3002\u30d9\u30f3\u30c0\u30fc\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\uff08\u63a5\u982d\u8f9e\uff09\u3092\u4f7f\u7528\u3059\u308c\u3070\u3001\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u304c\u3055\u307e\u3056\u307e\u306a\u30d6\u30e9\u30a6\u30b6\u3067\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3084\u3084\u624b\u9593\u306f\u304b\u304b\u308a\u307e\u3059\u304c\u3001<a href=\"https:\/\/autoprefixer.github.io\/\" target=\"_blank\" rel=\"noopener noreferrer\">autoprefixers<\/a>\u306e\u3088\u3046\u306a\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308c\u3070\u7c21\u5358\u3067\u3059\u3002<\/p>\n<h2>\u5909\u5f62\uff08transform\uff09<\/h2>\n<p>CSS\u306e\u5909\u5f62\u306f\u3001\u30a6\u30a7\u30d6\u30c7\u30b6\u30a4\u30f3\u306b\u904a\u3073\u5fc3\u3092\u6301\u305f\u305b\u308b\u753b\u671f\u7684\u306a\u6a5f\u80fd\u3067\u3059\u3002\u8981\u7d20\u3092\u79fb\u52d5\u3055\u305b\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30da\u30fc\u30b8\u5168\u4f53\u306e\u96f0\u56f2\u6c17\u3092\u5909\u3048\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u4e3b\u5f79\u3068\u306a\u308b\u306e\u304c\u3001<code>transform<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u3002<\/p>\n<p>\u591a\u7528\u9014\u306a\u3053\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001\u3042\u308b\u5834\u6240\u304b\u3089\u5225\u306e\u5834\u6240\u306b\u8981\u7d20\u3092\u79fb\u52d5\u3057\u307e\u3059\u3002\u753b\u50cf\u3092\u753b\u9762\u5168\u4f53\u306b\u30b9\u30e9\u30a4\u30c9\u3055\u305b\u305f\u308a\u3001\u30b5\u30a4\u30ba\u3092\u5909\u66f4\u3057\u305f\u308a\u3001\u307e\u305f\u3082\u3046\u5c11\u3057\u51dd\u3063\u3066\u3001\u8981\u7d20\u3092\u56de\u8ee2\u3055\u305b\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3053\u306e\u6a5f\u80fd\u304c\u672c\u9818\u3092\u767a\u63ee\u3059\u308b\u306e\u306f\u30013D\u7a7a\u9593\u3067\u306e\u8981\u7d20\u306e\u5909\u5f62\u3067\u3059\u3002<code>translate3d<\/code>\u3001<code>scale3d<\/code>\u3001<code>rotate3d<\/code>\u306a\u3069\u3092\u4f7f\u3048\u3070\u3001\u753b\u9762\u304b\u3089\u98db\u3073\u51fa\u308b\u3088\u3046\u306a\u7acb\u4f53\u611f\u3092\u8981\u7d20\u306b\u4e0e\u3048\u3001\u3088\u308a\u6ca1\u5165\u611f\u306e\u3042\u308b\u4f53\u9a13\u3092\u30e6\u30fc\u30b6\u30fc\u306b\u63d0\u4f9b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u30ab\u30fc\u30c9\u3092\u3081\u304f\u308b\u52b9\u679c\u3002\u30ab\u30fc\u30c9\u306e\u7247\u9762\u306b\u7279\u5b9a\u306e\u60c5\u5831\u304c\u8868\u793a\u3055\u308c\u3001\u3082\u3046\u7247\u9762\u3067\u306f\u5225\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u8868\u793a\u3055\u308c\u308b\u3068\u3044\u3046\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u4ed5\u69d8\u3067\u3001\u8a2a\u554f\u8005\u306e\u76ee\u3092\u5f15\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u52b9\u679c\u306b<code>backface-visibility<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30ab\u30fc\u30c9\u304c\u3081\u304f\u3089\u308c\u308b\u307e\u3067<a href=\"https:\/\/css-tricks.com\/almanac\/properties\/b\/backface-visibility\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u88cf\u9762\u3092\u96a0\u3057\u305f\u72b6\u614b<\/a>\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u5909\u5f62\u3092\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u3084\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u5fdc\u7528\u3059\u308c\u3070\u3001CSS\u3067\u3055\u3089\u306b\u591a\u304f\u306e\u52b9\u679c\u3092\u4f5c\u308a\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30ab\u30fc\u30bd\u30eb\u3092\u5408\u308f\u305b\u308b\u3068\u6ed1\u3089\u304b\u306b\u5927\u304d\u304f\u306a\u308b\u30dc\u30bf\u30f3\u3084\u3001\u753b\u9762\u5185\u3092\u52d5\u304d\u56de\u308b\u904a\u3073\u5fc3\u306b\u6ea2\u308c\u305f\u30a2\u30a4\u30b3\u30f3\u306a\u3069\u3001\u52d5\u7684\u306a\u5909\u5316\u306b\u3088\u3063\u3066\u3001\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u8981\u7d20\u306b\u67d4\u8edf\u6027\u3092\u4e0e\u3048\u3001\u3088\u308a\u9b45\u529b\u7684\u306a\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u3092\u69cb\u7bc9\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>Designmodo\u304c\u3001\u3044\u304f\u3064\u304b\u597d\u4f8b\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305a\u306f<a href=\"https:\/\/designmodo.com\/backface-visibility-css-animation\" target=\"_blank\" rel=\"noopener noreferrer\">3D\u5909\u5f62\u306eCSS\u306e\u89e3\u8aac<\/a>\u3092\u78ba\u8a8d\u3057\u3066\u3001<a href=\"https:\/\/designmodo.com\/demo\/backface-visibility\/index.html\" target=\"_blank\" rel=\"noopener noreferrer\">\u5b9f\u969b\u306b\u52d5\u4f5c\u3059\u308b\u30b3\u30fc\u30c9<\/a>\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure id=\"attachment_173235\" aria-describedby=\"caption-attachment-173235\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-173235 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2024\/01\/designmodo-spinning-donut.png\" alt=\"Designmodo\u304c\u63d0\u4f9b\u3059\u308b3D\u5909\u5f62\u306e\u4f8b\" width=\"900\" height=\"395\"><figcaption id=\"caption-attachment-173235\" class=\"wp-caption-text\">Designmodo\u304c\u63d0\u4f9b\u3059\u308b3D\u5909\u5f62\u306e\u4f8b<\/figcaption><\/figure>\n<h2>\u30b3\u30f3\u30c6\u30ca\u30af\u30a8\u30ea<\/h2>\n<p>\u30b3\u30f3\u30c6\u30ca\u30af\u30a8\u30ea\u306f\u3001CSS\u306e\u3082\u3046\u3072\u3068\u3064\u306e\u5074\u9762\u3067\u3042\u308a\u3001\u753b\u9762\u5168\u4f53\u3067\u306f\u306a\u304f\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u30b5\u30a4\u30ba\u306b\u57fa\u3065\u3044\u3066\u8981\u7d20\u306e\u30b9\u30bf\u30a4\u30eb\u8a2d\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002\uff08\u30b5\u30a4\u30ba\u306e\u5927\u5c0f\u554f\u308f\u305a\uff09\u3072\u3068\u3064\u306e\u7bb1\u306e\u4e2d\u306b\u3042\u308b\u8981\u7d20\u3092\u7f8e\u3057\u304f\u898b\u305b\u305f\u3044\u5834\u5408\u306b\u306f\u3001\u3053\u306e\u6a5f\u80fd\u3092\u4f7f\u7528\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u307e\u305f\u3001\u30b5\u30a4\u30c9\u30d0\u30fc\u3084\u30ab\u30fc\u30c9\u306a\u3069\u3001\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u3055\u307e\u3056\u307e\u306a\u90e8\u5206\u3092\u30b9\u30da\u30fc\u30b9\u306b\u5fdc\u3058\u3066\u898b\u305f\u76ee\u3092\u5909\u3048\u305f\u3044\u5834\u5408\u306b\u3082\u4fbf\u5229\u3067\u3059\u3002\u5404\u8981\u7d20\u3092\u30da\u30fc\u30b8\u306e\u305d\u306e\u4ed6\u306e\u90e8\u5206\u3068\u5207\u308a\u96e2\u3057\u3066\u3001<a href=\"https:\/\/www.smashingmagazine.com\/2023\/07\/writing-css-2023\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u72ec\u81ea\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u8a2d\u5b9a<\/a>\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u7c21\u5358\u306a\u4f7f\u3044\u65b9\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30b3\u30f3\u30c6\u30ca\u3092\u8a2d\u5b9a\u3059\u308b<\/strong>\u2500\u307e\u305a\u306f\u3001<code>container-type<\/code>\u3084<code>container-name<\/code>\u306a\u3069\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u3066\u3001\u30da\u30fc\u30b8\u306e\u3069\u306e\u90e8\u5206\u3092\u30b3\u30f3\u30c6\u30ca\u3068\u3059\u308b\u304b\u3092CSS\u306b\u4f1d\u3048\u307e\u3059\u3002<\/li>\n<li><strong>\u30af\u30a8\u30ea\u3092\u66f8\u304f<\/strong>\u2500\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u304c\u3001\u3053\u306e\u5834\u5408\u306f\u30b3\u30f3\u30c6\u30ca\u7528\u306b\u306a\u308a\u307e\u3059\u3002\u300c\u30b3\u30f3\u30c6\u30ca\u306e\u5e45\u304c\u5c11\u306a\u304f\u3068\u3082\u3053\u308c\u4ee5\u4e0a\u3042\u308c\u3070\u3001\u30b9\u30bf\u30a4\u30eb\u3092\u5909\u66f4\u3059\u308b\u300d\u3068\u3044\u3046\u3088\u3046\u306a\u30eb\u30fc\u30eb\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u57fa\u672c\u306e\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-css\">@container (min-width: 300px) {\n\n.component {\n\n\/* styles *\/\n\n}\n\n}<\/code><\/pre>\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u5e45\u304c\u6700\u4f4e 300px \u306b\u9054\u3059\u308b\u3068<code>.component<\/code>\u30af\u30e9\u30b9\u306e\u30b9\u30bf\u30a4\u30eb\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30f3\u30c6\u30ca\u30af\u30a8\u30ea\u306f\u3001\u4f8b\u3048\u3070\u6b21\u306e\u3088\u3046\u306a\u5834\u9762\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u306a\u30b5\u30a4\u30c9\u30d0\u30fc\u3068\u30d5\u30c3\u30bf\u30fc<\/strong>\uff1a\u30b3\u30f3\u30c6\u30ca\u30b5\u30a4\u30ba\u306b\u5fdc\u3058\u3066\u30b5\u30a4\u30c9\u30d0\u30fc\u3084\u30d5\u30c3\u30bf\u30fc\u306e\u5e45\u3068\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u8abf\u6574<\/li>\n<li><strong>\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u306a\u30ab\u30fc\u30c9<\/strong>\uff1a\u30b0\u30ea\u30c3\u30c9\u30ec\u30a4\u30a2\u30a6\u30c8\u3084Flexbox\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u30ab\u30fc\u30c9\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u30b3\u30f3\u30c6\u30ca\u306e\u5e45\u306b\u57fa\u3065\u3044\u3066\u5909\u66f4<\/li>\n<\/ul>\n<p>\u30b3\u30f3\u30c6\u30ca\u30af\u30a8\u30ea\u306f\u3001Chrome\u3001Firefox\u3001Safari\u3001Edge\u306a\u3069\u306e\u4e3b\u8981\u30d6\u30e9\u30a6\u30b6\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6\u30a8\u30f3\u30cf\u30f3\u30b9\u30e1\u30f3\u30c8\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u306e\u304c\u8ce2\u660e\u3067\u3059\u3002\u975e\u5bfe\u5fdc\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u57fa\u672c\u306e\u30b9\u30bf\u30a4\u30eb\u304b\u3089\u59cb\u3081\u3066\u3001\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u62e1\u5f35\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>Flexbox\u3092\u4f7f\u7528\u3057\u305f\u5782\u76f4\u65b9\u5411\u306e\u914d\u7f6e<\/h2>\n<p><a href=\"https:\/\/web.dev\/learn\/css\/flexbox\" target=\"_blank\" rel=\"noopener noreferrer\">Flexbox<\/a>\uff08\u30d5\u30ec\u30c3\u30af\u30b9\u30dc\u30c3\u30af\u30b9\uff09\u306f\u3001CSS\u306e\u4e2d\u3067\u3082\u7279\u306b\u5782\u76f4\u65b9\u5411\u306e\u914d\u7f6e\u306b\u5f79\u7acb\u3064\u6a5f\u80fd\u3067\u3059\u3002\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3066\u304b\u3089\u3057\u3070\u3089\u304f\u7d4c\u3061\u307e\u3059\u304c\u3001\u7279\u306b\u6a2a\u8ef8\uff08\u30ec\u30a4\u30a2\u30a6\u30c8\u306b\u3088\u3063\u3066\u306f\u7e26\u8ef8\u306b\u306a\u308b\u3053\u3068\u3082\uff09\u306b\u6cbf\u3063\u3066\u8981\u7d20\u3092\u6574\u5217\u3055\u305b\u308b\u5834\u5408\u306b\u975e\u5e38\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<h3>align-items\u3067\u5782\u76f4\u65b9\u5411\u306b\u63c3\u3048\u308b<\/h3>\n<p>Flexbox\u306e<code>align-items<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u3067\u8981\u7d20\u3092\u5782\u76f4\u65b9\u5411\u306b\u6574\u5217\u3055\u305b\u308b\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001\u30d5\u30ec\u30c3\u30af\u30b9\u30b3\u30f3\u30c6\u30ca\u306b<code>flex-direction<\/code>\u884c\u304c\u3042\u308b\u5834\u5408\u306b\u6a5f\u80fd\u3057\u3001\u30d5\u30ec\u30c3\u30af\u30b9\u30b3\u30f3\u30c6\u30ca\u306e\u3059\u3079\u3066\u306e\u5b50\u8981\u7d20\u3092\u6a2a\u8ef8\u306b\u6cbf\u3063\u3066\u6574\u5217\u3055\u305b\u308b\u65b9\u6cd5\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u30d5\u30ec\u30c3\u30af\u30b9\u30b3\u30f3\u30c6\u30ca\u5185\u306e\u8907\u6570\u306e\u8981\u7d20\u3092\u3059\u3079\u3066\u5782\u76f4\u65b9\u5411\u306e\u4e2d\u592e\u306b\u914d\u7f6e\u3057\u305f\u3044\u5834\u5408\u306b\u306f\u3001<code>align-items: center;<\/code>\u3068\u306a\u308a\u307e\u3059\u3002<code>align-items<\/code>\u306e\u5024\u306e\u7a2e\u985e\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><code>flex-start<\/code>\uff1a\u8981\u7d20\u3092\u30b3\u30f3\u30c6\u30ca\u306e\u5148\u982d\u306b\u63c3\u3048\u308b<\/li>\n<li><code>flex-end<\/code>\uff1a\u8981\u7d20\u3092\u30b3\u30f3\u30c6\u30ca\u306e\u672b\u5c3e\u306b\u63c3\u3048\u308b<\/li>\n<li><code>center<\/code>\uff1a\u8981\u7d20\u3092\u4e2d\u592e\u63c3\u3048\u306b\u3059\u308b<\/li>\n<li><code>baseline<\/code>\uff1a\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u3092\u57fa\u6e96\u306b\u8981\u7d20\u3092\u914d\u7f6e\u3059\u308b<\/li>\n<li><code>stretch<\/code>\uff1a\u8981\u7d20\u3092\u30b3\u30f3\u30c6\u30ca\u3044\u3063\u3071\u3044\u306b\u4f38\u3070\u3059\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u52d5\u4f5c\uff09<\/li>\n<\/ul>\n<h3>align-self\u3067\u914d\u7f6e\u3092\u500b\u5225\u306b\u5236\u5fa1<\/h3>\n<p><code>align-items<\/code>\u3067\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u306e\u3059\u3079\u3066\u306e\u8981\u7d20\u3092\u6574\u5217\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f1\u3064\u306e\u8981\u7d20\u3060\u3051\u5225\u306e\u4f4d\u7f6e\u306b\u6574\u5217\u3055\u305b\u305f\u3044\u3053\u3068\u3082\u3002\u305d\u3093\u306a\u3068\u304d\u306b\u5f79\u306b\u7acb\u3064\u306e\u304c<code>align-self<\/code>\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001<code>align-items<\/code>\u306e\u5024\u3092\u500b\u3005\u306e\u30d5\u30ec\u30c3\u30af\u30b9\u8981\u7d20\u306b\u4e0a\u66f8\u304d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><code>align-items: center;<\/code>\u3092\u6301\u3064\u30d5\u30ec\u30c3\u30af\u30b9\u30b3\u30f3\u30c6\u30ca\u304c\u3042\u308a\u30011\u3064\u3060\u3051\u5148\u982d\u306b\u63c3\u3048\u305f\u3044\u8981\u7d20\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u306f\u3001\u305d\u306e\u7279\u5b9a\u306e\u8981\u7d20\u306b<code>align-self: flex-start;<\/code>\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u5b9f\u73fe\u53ef\u80fd\u3067\u3059\u3002\u500b\u3005\u306e\u8981\u7d20\u306e\u914d\u7f6e\u3092\u7d30\u304b\u304f\u5236\u5fa1\u3059\u308b\u306e\u306b\u4fbf\u5229\u306a\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u3002<\/p>\n<p>\u308f\u304b\u308a\u3084\u3059\u3044\u3088\u3046\u3001\u7c21\u5358\u306a\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u30ed\u30b4\u3001\u30ea\u30f3\u30af\u3001\u691c\u7d22\u30d0\u30fc\u306e\u3042\u308b\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30d0\u30fc\u3092\u30c7\u30b6\u30a4\u30f3\u3057\u3066\u3044\u3066\u3001\u30ea\u30f3\u30af\u306f\u4e2d\u592e\u63c3\u3048\u3001\u30ed\u30b4\u306f\u4e0a\u63c3\u3048\u3001\u691c\u7d22\u30d0\u30fc\u306f\u4e0b\u63c3\u3048\u306b\u3057\u305f\u3044\u3068\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u5834\u5408\u306e\u30b3\u30fc\u30c9\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-css\">.nav-container {\n\ndisplay: flex;\n\nflex-direction: row;\n\nalign-items: center;\n\n}\n\n.logo {\n\nalign-self: flex-start;\n\n}\n\n.search-bar {\n\nalign-self: flex-end;\n\n}<\/code><\/pre>\n<p><code>.nav-container<\/code>\u306f\u30d5\u30ec\u30c3\u30af\u30b9\u30b3\u30f3\u30c6\u30ca\u3067\u3001\u8981\u7d20\u306f\u4e2d\u592e\u306b\u914d\u7f6e\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u30ed\u30b4\u3068\u691c\u7d22\u30d0\u30fc\u306f\u3053\u306e\u30eb\u30fc\u30eb\u304b\u3089\u9664\u5916\u3055\u308c\u3066\u304a\u308a\u3001\u305d\u308c\u305e\u308c\u30b3\u30f3\u30c6\u30ca\u306e\u958b\u59cb\u4f4d\u7f6e\u3068\u7d42\u4e86\u4f4d\u7f6e\u306b\u914d\u7f6e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>CSS\u6700\u65b0\u306e\u8272\u95a2\u6570<\/h2>\n<p>CSS\u306e\u6700\u65b0\u306e\u8272\u95a2\u6570\u306f\u5927\u5e45\u306b\u9032\u5316\u3092\u9042\u3052\u3066\u304a\u308a\u3001\u30a6\u30a7\u30d6\u30c7\u30b6\u30a4\u30f3\u306b\u304a\u3051\u308b\u8272\u306e\u5b9a\u7fa9\u3068\u64cd\u4f5c\u306e\u65b9\u6cd5\u304c\u3088\u308a\u9ad8\u5ea6\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3044\u304f\u3064\u304b\u306e\u95a2\u6570\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h3>1. rgb()\u3068rgba()<\/h3>\n<p><code>rgb()<\/code>\u306f\u3001\u8d64\u3001\u7dd1\u3001\u9752\u306e3\u3064\u306e\u30c1\u30e3\u30f3\u30cd\u30eb\u3092\u4f7f\u7528\u3057\u3066\u8272\u3092\u5b9a\u7fa9\u3059\u308b\u6614\u304b\u3089\u3042\u308b\u65b9\u6cd5\u3067\u3059\u3002\u5404\u30c1\u30e3\u30f3\u30cd\u30eb\u306b\u306f0\u304b\u3089255\u307e\u3067\u306e\u5024\u3092\u6307\u5b9a\u3067\u304d\u3001<code>rgba()<\/code>\u306f\u30a2\u30eb\u30d5\u30a1\u30c1\u30e3\u30f3\u30cd\u30eb\u3092\u4f7f\u7528\u3057\u3066\u4e0d\u900f\u660e\u5ea6\u3092\u6307\u5b9a\u3057\u307e\u3059\uff081\u304c\u5b8c\u5168\u306b\u4e0d\u900f\u660e\u30010\u304c\u5b8c\u5168\u306b\u900f\u660e\uff09\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-css\">.example {\n\ncolor: rgb(255, 0, 0); \/* Red *\/\n\nbackground-color: rgba(255, 0, 0, 0.5); \/* Semi-transparent red *\/\n\n}<\/code><\/pre>\n<h3>2. hsl()\u3068hsla()<\/h3>\n<p><code>hsl()<\/code>\u306f\u3001\u8272\u76f8\u3001\u5f69\u5ea6\u3001\u660e\u5ea6\u3067\u8272\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u3001\u3088\u308a\u76f4\u611f\u7684\u306b\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<code>rgba()<\/code>\u306e\u3088\u3046\u306b\u3001<code>hsla()<\/code>\u306b\u306f\u4e0d\u900f\u660e\u5ea6\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306e\u30a2\u30eb\u30d5\u30a1\u30c1\u30e3\u30f3\u30cd\u30eb\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-css\">.example {\n\ncolor: hsl(120, 100%, 50%); \/* Green *\/\n\nbackground-color: hsla(120, 100%, 50%, 0.3); \/* Semi-transparent green *\/\n\n}<\/code><\/pre>\n<h3>3. oklch()\u3068oklab()<\/h3>\n<p><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/CSS\/color_value\/oklch\"><code>oklch()<\/code><\/a>\u3068<code>oklab()<\/code>\u306f\u3001\u6700\u8fd1CSS\u306b\u5c0e\u5165\u3055\u308c\u305f\u95a2\u6570\u3067\u3001<a href=\"https:\/\/www.hunterlab.com\/blog\/what-is-cielab-color-space\/\" target=\"_blank\" rel=\"noopener noreferrer\">CIELAB\u306e\u8272\u7a7a\u9593<\/a>\u306b\u57fa\u3065\u304d\u3001\u77e5\u899a\u7684\u306b\u5747\u4e00\u306b\u306a\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u8272\u306e\u5909\u5316\u304c\u4eba\u9593\u306e\u76ee\u3067\u77e5\u899a\u3055\u308c\u308b\u5909\u5316\u306b\u3088\u308a\u8fd1\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u305e\u308c\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5f79\u5272\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><code>oklab()<\/code>\uff1a\u77e5\u899a\u7684\u306b\u5747\u4e00\u306a\u7a7a\u9593\u3067\u8272\u3092\u5b9a\u7fa9\u3059\u308b<\/li>\n<li><code>oklch()<\/code>\uff1aoklch()\u3068\u4f3c\u3066\u3044\u308b\u304c\u3001\u660e\u5ea6\u306b\u52a0\u3048\u3066\u3001\u6975\u5ea7\u6a19\u7cfb\uff08\u5f69\u5ea6\u3068\u8272\u76f8\uff09\u3092\u4f7f\u7528\u3059\u308b<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u95a2\u6570\u306f\u3001\u7279\u306b\u6ed1\u3089\u304b\u306a\u30ab\u30e9\u30fc\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u308b\u969b\u306b\u3001\u6b63\u78ba\u3067\u76f4\u611f\u7684\u306a\u8272\u64cd\u4f5c\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u30b3\u30fc\u30c9\u4f8b\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3002<\/p>\n<pre><code class=\"language-css\">.example {\n\ncolor: oklch(75%, 0.25, 250); \/* A color in oklch *\/\n\nbackground-color: oklab(0.623, 0.172, -0.079); \/* A color in oklab *\/\n\n}<\/code><\/pre>\n<h3>\u9ad8\u5ea6\u306a\u914d\u8272\u306e\u5b9f\u88c5<\/h3>\n<p>\u4e0a\u8a18\u306e\u95a2\u6570\u3001\u7279\u306b\u3088\u308a\u9ad8\u5ea6\u306a<code>oklch()<\/code>\u3068<code>oklab()<\/code>\u3092\u4f7f\u7528\u3059\u308c\u3070\u3001\u8996\u899a\u7684\u306b\u4e00\u8cab\u6027\u3092\u6301\u305f\u305b\u306a\u304c\u3089\u3001\u9b45\u529b\u7684\u3067\u8907\u96d1\u306a\u914d\u8272\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002\u8272\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3084\u77e5\u899a\u3092\u3088\u308a\u67d4\u8edf\u306b\u5236\u5fa1\u3057\u3001\u7f8e\u7684\u30bb\u30f3\u30b9\u3068\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u4e21\u65b9\u3092\u91cd\u8996\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u8272\u95a2\u6570\u3092\u30ab\u30b9\u30bf\u30e0\u30d7\u30ed\u30d1\u30c6\u30a3\uff08CSS\u5909\u6570\uff09\u3084\u8a08\u7b97\u306a\u3069\u306e\u6a5f\u80fd\u3068\u7d44\u307f\u5408\u308f\u305b\u308c\u3070\u3001\u7570\u306a\u308b\u30c6\u30fc\u30de\u3084\u72b6\u614b\u3001\u74b0\u5883\u306b\u9069\u5fdc\u3059\u308b\u52d5\u7684\u3067\u67d4\u8edf\u306a\u30ab\u30e9\u30fc\u30b7\u30b9\u30c6\u30e0\u3092\u958b\u767a\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u6a5f\u80fd\u306b\u5bfe\u3059\u308b\u30a6\u30a7\u30d6\u6a19\u6e96\u3084\u30d6\u30e9\u30a6\u30b6\u306e\u30b5\u30dd\u30fc\u30c8\u306f\u7d99\u7d9a\u7684\u306b\u5909\u5316\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u6700\u65b0\u306e\u8272\u95a2\u6570\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30a6\u30a7\u30d6\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8996\u899a\u30c7\u30b6\u30a4\u30f3\u3068\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u753b\u50cf\u306e\u5468\u308a\u306b\u30c6\u30ad\u30b9\u30c8\u3092\u56de\u308a\u8fbc\u307e\u305b\u308b<\/h2>\n<p>CSS\u306e<code>shape-outside<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001<a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/CSS\/shape-outside\" target=\"_blank\" rel=\"noopener noreferrer\">\u753b\u50cf\u306b\u30c6\u30ad\u30b9\u30c8\u3092\u56de\u308a\u8fbc\u307e\u305b\u308b<\/a>\u3053\u3068\u304c\u3067\u304d\u3001\u8996\u899a\u7684\u306b\u9762\u767d\u3044\u30ec\u30a4\u30a2\u30a6\u30c8\u3084\u3088\u308a\u9ad8\u5ea6\u306a<a href=\"https:\/\/kinsta.com\/jp\/blog\/css-image-styling\/\">\u753b\u50cf\u306e\u30b9\u30bf\u30a4\u30ea\u30f3\u30b0<\/a>\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001\u30a4\u30f3\u30e9\u30a4\u30f3\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u6298\u308a\u8fd4\u3055\u308c\u308b\u5f62\u72b6\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u9577\u65b9\u5f62\u4ee5\u5916\u306e\u5f62\u72b6\u3067\u753b\u50cf\u306b\u30c6\u30ad\u30b9\u30c8\u3092\u56de\u308a\u8fbc\u307e\u305b\u3001\u6a19\u6e96\u7684\u306a\u9577\u65b9\u5f62\u306e\u30c6\u30ad\u30b9\u30c8\u306e\u56de\u308a\u8fbc\u307f\u3088\u308a\u3082\u6709\u6a5f\u7684\u3067\u8996\u899a\u7684\u306b\u76ee\u3092\u5f15\u304f\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u4f5c\u6210\u3059\u308b\u306e\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n<h3>shape-outside\u306e\u4ed5\u7d44\u307f<\/h3>\n<p>\u5186\u3001\u6955\u5186\u3001\u591a\u89d2\u5f62\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u5f62\u72b6\u3092\u5b9a\u7fa9\u3057\u3001\u753b\u50cf\u306e\u30a2\u30eb\u30d5\u30a1\u30c1\u30e3\u30f3\u30cd\u30eb\u3067\u5f62\u72b6\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p><code>shape-outside<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u901a\u5e38\u3001\u30d5\u30ed\u30fc\u30c8\u8981\u7d20\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u753b\u50cf\u3092\u30d5\u30ed\u30fc\u30c8\u3055\u305b\u3066<code>shape-outside<\/code>\u3092\u9069\u7528\u3059\u308b\u3068\u3001\u30c6\u30ad\u30b9\u30c8\u304c\u5b9a\u7fa9\u3055\u308c\u305f\u5f62\u72b6\u306b\u5f93\u3063\u3066\u305d\u306e\u5468\u56f2\u306b\u56de\u308a\u8fbc\u307f\u307e\u3059\u3002<\/p>\n<p>\u5186\u3067shape-outside\u3092\u4f7f\u7528\u3059\u308b\u7c21\u5358\u306a\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre><code class=\"language-css\">.image {\n\nfloat: left;\n\nshape-outside: circle(50%);\n\nwidth: 200px;\n\nheight: 200px;\n\nmargin-right: 15px;\n\n}<\/code><\/pre>\n<p>\u4e0a\u306e\u4f8b\u3067\u306f\u3001\u753b\u50cf\u8981\u7d20\u306b<code>.image<\/code>\u30af\u30e9\u30b9\u3092\u9069\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u4f8b\u3067\u306f\u753b\u50cf\u306f\u5de6\u306b\u5bc4\u305b\u3089\u308c\u3001<code>shape-outside: circle(50%);<\/code>\u306f\u30c6\u30ad\u30b9\u30c8\u304c\u56de\u308a\u8fbc\u3080\u5186\u5f62\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<code>shape-outside<\/code>\u3092\u52b9\u679c\u7684\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u8907\u96d1\u306a\u5f62\u72b6\u306e\u5468\u308a\u3092\u30c6\u30ad\u30b9\u30c8\u304c\u6d41\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u96d1\u8a8c\u306e\u3088\u3046\u306a\u30ec\u30a4\u30a2\u30a6\u30c8\u3084\u8996\u899a\u7684\u306b\u8c4a\u304b\u306a\u30da\u30fc\u30b8\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u30c7\u30b6\u30a4\u30f3\u306e\u53ef\u80fd\u6027\u304c\u5e83\u304c\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30d6\u30ec\u30f3\u30c9\u30e2\u30fc\u30c9<\/h2>\n<p>CSS\u306e\u30d6\u30ec\u30f3\u30c9\u30e2\u30fc\u30c9\uff08\u63cf\u753b\u30e2\u30fc\u30c9\uff09\u306f\u3001\u8272\u3084\u753b\u50cf\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u30e6\u30cb\u30fc\u30af\u306a\u8996\u899a\u52b9\u679c\u3092\u4f5c\u308a\u51fa\u3057\u3001\u30c7\u30b6\u30a4\u30f3\u3092\u6d17\u7df4\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u753b\u671f\u7684\u306a\u6a5f\u80fd\u3067\u3059\u3002\u9b45\u529b\u7684\u306a\u30c6\u30ad\u30b9\u30c8\u30a8\u30d5\u30a7\u30af\u30c8\u3001\u753b\u50cf\u306e\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u3001\u8907\u96d1\u306a\u80cc\u666f\u30d1\u30bf\u30fc\u30f3\u306a\u3069\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<code>background-blend-mode<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001\u8981\u7d20\u306e\u80cc\u666f\u753b\u50cf\u3068\u8272\u3092\u3069\u306e\u3088\u3046\u306b\u300c\u30d6\u30ec\u30f3\u30c9\u300d\u3059\u308b\u304b\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u80cc\u666f\u753b\u50cf\u3068\u80cc\u666f\u8272\u304c\u3042\u308b\u5834\u5408\u3001\u4e57\u7b97\u3001\u30b9\u30af\u30ea\u30fc\u30f3\u3001\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u624b\u6cd5\u3067\u91cd\u306d\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30b3\u30fc\u30c9\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre><code class=\"language-css\">.element {\n\nbackground-image: url('image.jpg');\n\nbackground-color: blue;\n\nbackground-blend-mode: multiply;\n\n}<\/code><\/pre>\n<p><code>mix-blend-mode<\/code>\u306f\u3001\u8981\u7d20\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\uff08\u753b\u50cf\u3084\u30c6\u30ad\u30b9\u30c8\u3092\u542b\u3080\uff09\u3092\u305d\u306e\u80cc\u666f\u3068\u30d6\u30ec\u30f3\u30c9\u3059\u308b\u3053\u3068\u3067\u6a5f\u80fd\u3057\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/css-text-outline\/\">\u30c6\u30ad\u30b9\u30c8\u30a8\u30d5\u30a7\u30af\u30c8<\/a>\u3084\u3001\u753b\u50cf\u3092\u5225\u306e\u753b\u50cf\u306b\u91cd\u306d\u308b\u5834\u5408\u306b\u7279\u306b\u6709\u7528\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-css\">&lt;\n\n.element {\n\nmix-blend-mode: screen;\n\n}<\/code><\/pre>\n<h3>\u4e3b\u306a\u30d6\u30ec\u30f3\u30c9\u30e2\u30fc\u30c9<\/h3>\n<p>\u53c2\u8003\u307e\u3067\u306b\u3001\u4e00\u822c\u7684\u306a\u30d6\u30ec\u30f3\u30c9\u30e2\u30fc\u30c9\u3092\u3044\u304f\u3064\u304b\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u4e57\u7b97<\/strong>\uff1a\u8981\u7d20\u3092\u6697\u304f\u3059\u308b<\/li>\n<li><strong>\u30b9\u30af\u30ea\u30fc\u30f3<\/strong>\uff1a\u4e57\u7b97\u306e\u9006\u3067\u8981\u7d20\u3092\u660e\u308b\u304f\u3059\u308b\uff08\u30b0\u30ed\u30fc\u30a8\u30d5\u30a7\u30af\u30c8\u306e\u4f5c\u6210\u306b\u4fbf\u5229\uff09<\/li>\n<li><strong>\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4<\/strong>\uff1a\u4e57\u7b97\u3068\u30b9\u30af\u30ea\u30fc\u30f3\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u3082\u306e\u3067\u3001\u660e\u308b\u3044\u90e8\u5206\u3092\u3088\u308a\u660e\u308b\u304f\u3001\u6697\u3044\u90e8\u5206\u3092\u3088\u308a\u6697\u304f\u3059\u308b<\/li>\n<li><strong>\u6bd4\u8f03 \uff08\u660e\uff09\u3068\u6bd4\u8f03\uff08\u6697\uff09<\/strong>\uff1a\u91cd\u306d\u5408\u308f\u3055\u308c\u305f\u8272\u3092\u6bd4\u8f03\u3057\u3001\u305d\u308c\u305e\u308c\u660e\u308b\u3044\u30d4\u30af\u30bb\u30eb\u3001\u6697\u3044\u30d4\u30af\u30bb\u30eb\u3092\u8868\u793a<\/li>\n<li><strong>\u8986\u3044\u713c\u304d\u30ab\u30e9\u30fc\u3068\u713c\u304d\u8fbc\u307f\u30ab\u30e9\u30fc<\/strong>\uff1a\u305d\u308c\u305e\u308c\u30d9\u30fc\u30b9\u30ab\u30e9\u30fc\u3092\u660e\u308b\u304f\u3001\u6697\u304f\u3059\u308b<\/li>\n<li><strong>\u5dee\u306e\u7d76\u5bfe\u5024\u3068\u9664\u5916<\/strong>\uff1a\u8272\u306e\u968e\u8abf\u3092\u53cd\u8ee2\u3055\u305b\u308b\u5834\u5408\u306b\u4f7f\u7528<\/li>\n<\/ul>\n<h2>\u30e6\u30fc\u30b6\u30fc\u306e\u597d\u307f\u3092\u8003\u616e\u3059\u308b<\/h2>\n<p>\u30a6\u30a7\u30d6\u30c7\u30b6\u30a4\u30f3\u306b\u304a\u3044\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u597d\u307f\u3092\u914d\u616e\u3059\u308b\u3053\u3068\u306f\u3001\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306b\u512a\u308c\u30e6\u30fc\u30b6\u30fc\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u30b5\u30a4\u30c8\u3092\u4f5c\u6210\u3059\u308b\u4e0a\u3067\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u306b\u95a2\u3057\u3066\u306f\u3001<a href=\"https:\/\/www.smashingmagazine.com\/2023\/07\/writing-css-2023\/\"><code>prefers-color-scheme<\/code><\/a>\u3084<code>prefers-reduced-motion<\/code>\u306e\u3088\u3046\u306a\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u304c\u3001\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u305e\u308c\u8a73\u3057\u304f\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h3>prefers-color-scheme<\/h3>\n<p>\u3053\u306e\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u660e\u308b\u3044\u8272\u3068\u6697\u3044\u8272\u306e\u3069\u3061\u3089\u306e\u30c6\u30fc\u30de\u3092\u8981\u6c42\u3057\u305f\u304b\u3092\u691c\u51fa\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u30b5\u30a4\u30c8\u306e\u30c7\u30b6\u30a4\u30f3\u306b\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u3092\u5b9f\u88c5\u3059\u308b\u306e\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001<code>prefers-color-scheme<\/code>\u3092\u4f7f\u7528\u3057\u3066\u3001\u30e9\u30a4\u30c8\u30e2\u30fc\u30c9\u3068\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u3067\u7570\u306a\u308b\u30b9\u30bf\u30a4\u30eb\u3092\u6307\u5b9a\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-css\">\/* \u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30e9\u30a4\u30c8\u30e2\u30fc\u30c9\u30b9\u30bf\u30a4\u30eb *\/\n\nbody {\n\nbackground-color: white;\n\ncolor: black;\n\n}\n\n\/* \u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u30b9\u30bf\u30a4\u30eb *\/\n\n@media (prefers-color-scheme: dark) {\n\nbody {\n\nbackground-color: black;\n\ncolor: white;\n\n}\n\n}<\/code><\/pre>\n<p>\u4e0a\u306e\u4f8b\u3067\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30b9\u30bf\u30a4\u30eb\u306b\u306f\u30e9\u30a4\u30c8\u30e2\u30fc\u30c9\u304c\u9069\u7528\u3055\u308c\u3001<code>@media<\/code>\u30af\u30a8\u30ea\u5185\u306e\u30b9\u30bf\u30a4\u30eb\u306f\u30e6\u30fc\u30b6\u30fc\u304c\u6697\u3044\u914d\u8272\u3092\u597d\u3080\u5834\u5408\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3>prefers-reduced-motion<\/h3>\n<p>\u3053\u306e\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u306e\u52d5\u7684\u306a\u8981\u7d20\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3088\u3046\u306b\u8981\u6c42\u3057\u305f\u304b\u3069\u3046\u304b\u3092\u691c\u51fa\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u3063\u3066\u3001\u4e57\u308a\u7269\u9154\u3044\u3084\u524d\u5ead\u969c\u304c\u3044\u3092\u6301\u3064\u30e6\u30fc\u30b6\u30fc\u306b\u914d\u616e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><code>prefers-reduced-motion<\/code>\u3092\u4f7f\u7528\u3059\u308c\u3070\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3084\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u3092\u6e1b\u3089\u3057\u305f\u308a\u975e\u8868\u793a\u306b\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-css\">\/* \u6a19\u6e96\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3 *\/\n\n.animate {\n\ntransition: transform 0.3s ease;\n\n}\n\n\/* \u52d5\u304d\u3092\u6291\u3048\u308b *\/\n\n@media (prefers-reduced-motion: reduce) {\n\n.animate {\n\ntransition: none;\n\n}\n\n}<\/code><\/pre>\n<p>\u4e0a\u306e\u4f8b\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u306e\u52d5\u7684\u8981\u7d20\u3092\u671b\u307e\u306a\u3044\u5834\u5408\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u7121\u52b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><code>prefers-color-scheme<\/code>\u3068<code>prefers-reduced-motion<\/code>\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u3001\u5305\u62ec\u7684\u3067\u771f\u306b\u30e6\u30fc\u30b6\u30fc\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u30b5\u30a4\u30c8\u3065\u304f\u308a\u306e\u4e00\u6b69\u3067\u3059\u3002\u69d8\u3005\u306a\u8981\u671b\u3084\u6761\u4ef6\u3092\u6301\u3064\u30e6\u30fc\u30b6\u30fc\u304c\u8a2a\u308c\u308b\u3053\u3068\u3092\u8003\u616e\u3057\u3001\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3092\u9ad8\u3081\u3001\u8ab0\u306b\u3068\u3063\u3066\u3082\u5feb\u9069\u306a\u30b5\u30a4\u30c8\u4f53\u9a13\u3092\u76ee\u6307\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u64ec\u4f3c\u30af\u30e9\u30b9is()\u3068:where()\u3092\u4f7f\u7528\u3059\u308b<\/h2>\n<p><code>:is()<\/code>\u3068<code>:where()<\/code>\u64ec\u4f3c\u30af\u30e9\u30b9\u306f\u3001\u8a73\u7d30\u5ea6\uff08specificity\uff09\u3092\u5236\u5fa1\u3057\u3001\u8907\u96d1\u306a\u30bb\u30ec\u30af\u30bf\u306e\u6271\u3044\u3092\u7c21\u7d20\u5316\u3059\u308b\u305f\u3081\u306e\u9ad8\u5ea6\u306a\u6a5f\u80fd\u3067\u3059\u3002\u305d\u308c\u305e\u308c\u4f8b\u3092\u6319\u3052\u306a\u304c\u3089\u3054\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h3>is() \u64ec\u4f3c\u30af\u30e9\u30b9<\/h3>\n<p>\u3053\u306e\u30af\u30e9\u30b9\u306f\u30011\u3064\u306e\u30eb\u30fc\u30eb\u3067\u8907\u6570\u306e\u8981\u7d20\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u4f3c\u305f\u3088\u3046\u306a\u30bb\u30ec\u30af\u30bf\u306e\u7e70\u308a\u8fd4\u3057\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<code>:is()<\/code>\u306e\u8a73\u7d30\u5ea6\u306f\u3001\u305d\u306e\u5f15\u6570\u306e\u4e2d\u3067\u3082\u6700\u3082\u8a73\u7d30\u5ea6\u304c\u9ad8\u3044\u30bb\u30ec\u30af\u30bf\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-css\">\/* \u8a18\u4e8b\u5185\u306e\u4efb\u610f\u306e\u6bb5\u843d\u307e\u305f\u306f\u898b\u51fa\u3057\u3092\u9078\u629e *\/\n\narticle :is(h1, h2, h3, p) {\n\ncolor: blue;\n\n}<\/code><\/pre>\n<h3>:where() \u64ec\u4f3c\u30af\u30e9\u30b9<\/h3>\n<p><code>:where()<\/code>\u306f<code>:is()<\/code>\u3068\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u6c7a\u5b9a\u7684\u306a\u9055\u3044\u3068\u3057\u3066\u3001\u5e38\u306b\u8a73\u7d30\u5ea6\u304c\u30bc\u30ed\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u8a73\u7d30\u5ea6\u3092\u4e0a\u3052\u308b\u3053\u3068\u306a\u304f\u30b9\u30bf\u30a4\u30eb\u3092\u4e0a\u66f8\u304d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-css\">\/* \u7279\u306b\u6307\u5b9a\u306a\u3057\u3067\u4efb\u610f\u306e\u6bb5\u843d\u307e\u305f\u306f\u898b\u51fa\u3057\u3092\u9078\u629e *\/\n\n:where(article, section) p {\n\nmargin-bottom: 1em;\n\n}<\/code><\/pre>\n<p><code>:is()<\/code>\u3068<code>:where()<\/code>\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u7279\u306b\u8907\u96d1\u306a\u30c7\u30b6\u30a4\u30f3\u3092\u6271\u3046\u5834\u5408\u306b\u3001\u3088\u308a\u67d4\u8edf\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u9762\u3067\u4fbf\u5229\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30bb\u30ec\u30af\u30bf\u3092\u5358\u7d14\u5316<\/strong>\u2500\u6df1\u304f\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30bb\u30ec\u30af\u30bf\u3084\u30b0\u30eb\u30fc\u30d7\u5316\u3055\u308c\u305f\u30bb\u30ec\u30af\u30bf\u3092\u5358\u7d14\u5316\u3057\u3001\u3088\u308a\u8aad\u307f\u3084\u3059\u304f\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3057\u3084\u3059\u304f\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30b9\u30bf\u30a4\u30eb\u306e\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9<\/strong>\u2500<code>:where()<\/code>\u306f\u3001\u8a73\u7d30\u5ea6\u3092\u6c17\u306b\u305b\u305a\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3067\u304d\u308b\u30d9\u30fc\u30b9\u30b9\u30bf\u30a4\u30eb\u3092\u4f5c\u6210\u3059\u308b\u306e\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u30b9\u30bf\u30a4\u30eb\u306e\u518d\u5229\u7528<\/strong>\uff1a\u3069\u3061\u3089\u306e\u64ec\u4f3c\u30af\u30e9\u30b9\u3082\u3055\u307e\u3056\u307e\u306a\u8981\u7d20\u30921\u3064\u306e\u30eb\u30fc\u30eb\u3067\u30b0\u30eb\u30fc\u30d7\u5316\u3067\u304d\u308b\u305f\u3081\u3001\u3088\u308a\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u3055\u308c\u305f\u518d\u5229\u7528\u53ef\u80fd\u306a\u30b9\u30bf\u30a4\u30eb\u3092\u4f5c\u6210\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<\/ul>\n<p>\u5b9f\u969b\u306b\u5fdc\u7528\u3059\u308b\u305f\u3081\u3001\u7570\u306a\u308b\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u6301\u3064\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30e1\u30cb\u30e5\u30fc\u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002<code>:is()<\/code>\u3092\u4f7f\u7528\u3059\u308c\u3070 \u3001\u5165\u308c\u5b50\u306e\u30ec\u30d9\u30eb\u306b\u95a2\u4fc2\u306a\u304f\u3001\u30e1\u30cb\u30e5\u30fc\u5185\u306e\u3059\u3079\u3066\u306e\u30ea\u30f3\u30af\u306b\u7d71\u4e00\u3057\u305f\u30b9\u30bf\u30a4\u30eb\u8a2d\u5b9a\u3092\u52a0\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-css\">nav :is(ul, ol, div) &gt; li &gt; a {\n\npadding: 10px;\n\ncolor: white;\n\n}<\/code><\/pre>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u547d\u3092\u5439\u304d\u8fbc\u3080\u6d17\u7df4\u3055\u308c\u305fCSS\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u304b\u3089\u30013D\u5909\u5f62\u306e\u30d1\u30ef\u30fc\u307e\u3067\u30012026\u5e74\u4ee5\u964d\u306b\u6d3b\u7528\u3057\u305f\u3044\u9ad8\u5ea6\u306aCSS\u30c6\u30af\u30cb\u30c3\u30af\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u4eca\u56de\u53d6\u308a\u4e0a\u3052\u305f\u6a5f\u80fd\u306f\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u3067\u30e6\u30fc\u30b6\u30fc\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u3001\u306a\u304a\u304b\u3064\u8996\u899a\u7684\u306b\u9b45\u529b\u7684\u306a\u30a6\u30a7\u30d6\u30c7\u30b6\u30a4\u30f3\u3092\u4f5c\u308b\u4e0a\u3067\u306e\u30a6\u30a7\u30d6\u30c7\u30b6\u30a4\u30f3\u3092\u4f5c\u308b\u4e0a\u3067\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u3044\u305a\u308c\u3092\u4f7f\u7528\u3059\u308b\u306b\u3057\u3066\u3082\u3001\u5e38\u306b\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3068<a href=\"https:\/\/kinsta.com\/blog\/optimize-css\/\">CSS\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/a>\u3092\u91cd\u8996\u3059\u308b\u3053\u3068\u3092\u304a\u5fd8\u308c\u306a\u304f\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u3054\u7d39\u4ecb\u3057\u305fCSS\u30c6\u30af\u30cb\u30c3\u30af\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u304b\uff1f\u307e\u305f\u3001\u304a\u3059\u3059\u3081\u306e\u4e0a\u7d1a\u30c6\u30af\u30cb\u30c3\u30af\u304c\u3042\u308c\u3070\u3001\u4ee5\u4e0b\u306e\u30b3\u30e1\u30f3\u30c8\u6b04\u3067\u305c\u3072\u5171\u6709\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CSS\u306e\u5f79\u76ee\u306f\u3001\u3082\u306f\u3084\u30b5\u30a4\u30c8\u3092\u7f8e\u3057\u304f\u898b\u305b\u308b\u3053\u3068\u3060\u3051\u306b &#8230;<\/p>\n","protected":false},"author":199,"featured_media":54246,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kinsta_gated_content":false,"_kinsta_gated_content_redirect":"","footnotes":""},"tags":[],"topic":[815,817],"class_list":["post-54245","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","topic-web-design","topic-web-development-languages"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4e0a\u7d1a\u8005\u5411\u3051CSS\u30c6\u30af\u30cb\u30c3\u30af\u3092\u89e3\u8aac\uff5cKinsta\u00ae<\/title>\n<meta name=\"description\" content=\"CSS\u306e\u57fa\u790e\u306b\u306f\u5341\u5206\u7cbe\u901a\u3057\u3066\u3044\u308b\u65b9\u5411\u3051\u306b\u3001CSS\u306e\u4e0a\u7d1a\u8005\u5411\u3051\u30c6\u30af\u30cb\u30c3\u30af\u3092\u3054\u7d39\u4ecb\u3002\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3001\u5909\u5f62\u306a\u3069\u3092\u30de\u30b9\u30bf\u30fc\u3057\u3066\u3001\u30c7\u30b6\u30a4\u30f3\u30b9\u30ad\u30eb\u3092\u3055\u3089\u306b\u78e8\u304d\u307e\u3057\u3087\u3046\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kinsta.com\/jp\/blog\/advanced-css-techniques\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4e0a\u7d1a\u8005\u5411\u3051CSS\u30c6\u30af\u30cb\u30c3\u30af\u3092\u89e3\u8aac\uff08\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3001\u5909\u5f62\u306a\u3069\uff09\" \/>\n<meta property=\"og:description\" content=\"CSS\u306e\u57fa\u790e\u306b\u306f\u5341\u5206\u7cbe\u901a\u3057\u3066\u3044\u308b\u65b9\u5411\u3051\u306b\u3001CSS\u306e\u4e0a\u7d1a\u8005\u5411\u3051\u30c6\u30af\u30cb\u30c3\u30af\u3092\u3054\u7d39\u4ecb\u3002\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3001\u5909\u5f62\u306a\u3069\u3092\u30de\u30b9\u30bf\u30fc\u3057\u3066\u3001\u30c7\u30b6\u30a4\u30f3\u30b9\u30ad\u30eb\u3092\u3055\u3089\u306b\u78e8\u304d\u307e\u3057\u3087\u3046\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kinsta.com\/jp\/blog\/advanced-css-techniques\/\" \/>\n<meta property=\"og:site_name\" content=\"Kinsta\u00ae\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Kinsta-Japan-334616080691171\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-01-22T11:09:13+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-01-26T08:10:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/01\/wp-advanced-css-techniques.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"628\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Jeremy Holcombe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:description\" content=\"CSS\u306e\u57fa\u790e\u306b\u306f\u5341\u5206\u7cbe\u901a\u3057\u3066\u3044\u308b\u65b9\u5411\u3051\u306b\u3001CSS\u306e\u4e0a\u7d1a\u8005\u5411\u3051\u30c6\u30af\u30cb\u30c3\u30af\u3092\u3054\u7d39\u4ecb\u3002\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3001\u5909\u5f62\u306a\u3069\u3092\u30de\u30b9\u30bf\u30fc\u3057\u3066\u3001\u30c7\u30b6\u30a4\u30f3\u30b9\u30ad\u30eb\u3092\u3055\u3089\u306b\u78e8\u304d\u307e\u3057\u3087\u3046\u3002\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/01\/wp-advanced-css-techniques.jpg\" \/>\n<meta name=\"twitter:creator\" content=\"@Kinsta_JP\" \/>\n<meta name=\"twitter:site\" content=\"@Kinsta_JP\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jeremy Holcombe\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta 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