{"id":42042,"date":"2023-02-08T19:12:59","date_gmt":"2023-02-08T10:12:59","guid":{"rendered":"https:\/\/kinsta.com\/jp\/?p=42042&#038;preview=true&#038;preview_id=42042"},"modified":"2024-08-22T17:54:15","modified_gmt":"2024-08-22T08:54:15","slug":"css-best-practices","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/css-best-practices\/","title":{"rendered":"CSS\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b914\u9078\uff08\u521d\u5fc3\u8005\u5411\u3051\uff09"},"content":{"rendered":"<p>\u30a6\u30a7\u30d6\u30c7\u30b6\u30a4\u30f3\u306b\u304a\u3051\u308bCSS\u306f\u3001\u3059\u3079\u3066\u3092\u6b63\u3057\u304f\u52d5\u4f5c\u3055\u305b\u308b\u3053\u3068\u306f\u3082\u3061\u308d\u3093\u3001\u601d\u3044\u901a\u308a\u306e\u898b\u305f\u76ee\u3092\u69cb\u7bc9\u3059\u308b\u306e\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002CSS\u306f\u3001\u30ab\u30b9\u30b1\u30fc\u30c7\u30a3\u30f3\u30b0\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\uff08Cascading Style Sheets\uff09\u306e\u7565\u3067\u3001<a href=\"https:\/\/kinsta.com\/blog\/html-vs-html5\/\" rel=\"noopener\">HTML\u8981\u7d20<\/a>\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3059\u308b\u8a00\u8a9e\u3067\u3059\u3002<\/p>\n<p>CSS\u306f\u3055\u307e\u3056\u307e\u306a\u65b9\u6cd5\u3067\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\uff08\u30a4\u30f3\u30e9\u30a4\u30f3\u306a\u3069\uff09\u3001\u7279\u306b\u52b9\u679c\u7684\u306a\u4f7f\u3044\u65b9\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u306f\u3069\u308c\u3082\u6a5f\u80fd\u7684\u3067\u7121\u99c4\u304c\u306a\u304f\u3001\u304d\u308c\u3044\u306b\u6574\u7406\u3055\u308c\u305f<a href=\"https:\/\/kinsta.com\/jp\/blog\/edit-wordpress-code\/\" rel=\"noopener\">\u30b3\u30fc\u30c9\u306e\u8a18\u8ff0<\/a>\u3092\u884c\u3046\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u306a\u304c\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u521d\u5fc3\u8005\u5411\u3051\u306eCSS\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u309214\u500b\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u521d\u5fc3\u8005\u5411\u3051\u306e\u5185\u5bb9\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u7d4c\u9a13\u8c4a\u5bcc\u306a\u30a6\u30a7\u30d6\u30c7\u30b6\u30a4\u30ca\u30fc\u306b\u3068\u3063\u3066\u3082\u3001\u57fa\u790e\u77e5\u8b58\u3092\u632f\u308a\u8fd4\u308b\u826f\u3044\u6a5f\u4f1a\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<div><\/div><kinsta-auto-toc heading=\"Table of Contents\" exclude=\"last\" list-style=\"arrow\" selector=\"h2\" count-number=\"-1\"><\/kinsta-auto-toc>\n<p><strong>\u521d\u5fc3\u8005\u5411\u3051\u306eCSS\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u3044\u3066<a href=\"https:\/\/www.youtube.com\/watch?v=8xCAf50UOA8\">\u52d5\u753b\u3067\u306e\u89e3\u8aac<\/a>\u3082\u3054\u7528\u610f\u3057\u3066\u3044\u307e\u3059\u3002<\/strong><\/p>\n<kinsta-video src=\"https:\/\/www.youtube.com\/watch?v=8xCAf50UOA8\"><\/kinsta-video>\n<h2>1. \u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3092\u6574\u7406\u3059\u308b<\/h2>\n<p>\u307e\u305a\u6700\u521d\u306b\u6319\u3052\u305f\u3044\u306e\u304c\u3001\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306e\u6574\u7406\u3002\u305d\u306e\u65b9\u6cd5\u306f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u4e00\u822c\u7684\u306b\u5f93\u3046\u3079\u304d\u30eb\u30fc\u30eb\u3092\u3044\u304f\u3064\u304b\u3054\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h3>\u4e00\u8cab\u6027\u3092\u4fdd\u3064<\/h3>\n<p>\u6574\u7406\u65b9\u6cd5\u3092\u554f\u308f\u305a\u3001\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u5168\u4f53\u304a\u3088\u3073\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u5168\u4f53\u3067\u4e00\u8cab\u6027\u3092\u610f\u8b58\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30af\u30e9\u30b9\u306e\u540d\u524d\u304b\u3089\u884c\u306e\u30a4\u30f3\u30c7\u30f3\u30c8\u3001\u30b3\u30e1\u30f3\u30c8\u306e\u69cb\u9020\u307e\u3067\u3001\u3059\u3079\u3066\u3092\u7d71\u4e00\u3059\u308b\u3053\u3068\u3067\u3001\u4f5c\u696d\u5185\u5bb9\u3092\u3088\u308a\u7c21\u5358\u306b\u628a\u63e1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u5f8c\u3067\u5909\u66f4\u304c\u5fc5\u8981\u306b\u306a\u3063\u305f\u3068\u304d\u306b\u3082\u52a9\u304b\u308a\u307e\u3059\u3002<\/p>\n\n<h3>\u6539\u884c\u3092\u591a\u7528\u3059\u308b<\/h3>\n<p>\u898b\u305f\u76ee\u304c\u60aa\u304f\u3066\u3082CSS\u306f\u6a5f\u80fd\u3057\u307e\u3059\u304c\u3001\u6539\u884c\u3092\u591a\u7528\u3057\u3066\u5404\u30b3\u30fc\u30c9\u3092\u72ec\u7acb\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u8aad\u307f\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u8aad\u307f\u3084\u3059\u3044\u30b3\u30fc\u30c9\u306f\u3001\u81ea\u5206\u81ea\u8eab\u306b\u3068\u3063\u3066\u3082\u3001\u30b3\u30fc\u30c9\u3092\u6271\u3046\u4ed6\u306e\u958b\u767a\u8005\u306b\u3068\u3063\u3066\u3082\u30e1\u30ea\u30c3\u30c8\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e00\u822c\u7684\u306b\u306f\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u5024\u306e\u30da\u30a2\u306f\u305d\u308c\u305e\u308c<a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Learn\/CSS\/Building_blocks\/Organizing\" target=\"_blank\" rel=\"noopener noreferrer\">\u5225\u306e\u884c<\/a>\u306b\u914d\u7f6e\u3059\u308b\u306e\u304c\u30d9\u30b9\u30c8\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/06\/01-css-new-line.png\" alt=\"CSS\u30b3\u30fc\u30c9\" width=\"900\" height=\"328\"><figcaption class=\"wp-caption-text\">CSS\u30b3\u30fc\u30c9<\/figcaption><\/figure>\n<h3>\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u5206\u3051\u308b<\/h3>\n<p>\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306e\u8a2d\u5b9a\u65b9\u6cd5\u306f\u3001\u30b5\u30a4\u30c8\u306e\u7a2e\u985e\u306b\u3088\u3063\u3066\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u57fa\u672c\u7684\u306b\u306f\u4f7f\u7528\u3059\u308b\u30b9\u30bf\u30a4\u30eb\u306b\u5fdc\u3058\u3066\u30bb\u30af\u30b7\u30e7\u30f3\uff08\u30bb\u30af\u30b7\u30e7\u30f3\u30bf\u30b0\u3092\u4f7f\u7528\uff09\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30c6\u30ad\u30b9\u30c8\u306e\u30b9\u30bf\u30a4\u30eb\u7528\u3001\u4e00\u89a7\u3068\u30ab\u30e9\u30e0\u7528\u3001\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u3068\u30ea\u30f3\u30af\u7528\u3068\u3044\u3063\u305f\u5177\u5408\u3067\u3059\u3002\u307e\u305f\u3001\u5546\u54c1\u30da\u30fc\u30b8\u3084\u3088\u304f\u3042\u308b\u8cea\u554f\u30da\u30fc\u30b8\u306a\u3069\u3001\u9055\u3063\u305f\u30b9\u30bf\u30a4\u30eb\u3092\u6301\u3064\u30da\u30fc\u30b8\u3092\u533a\u5225\u3067\u304d\u308b\u3088\u3046\u306b\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u5229\u7528\u3059\u308b\u306e\u304c\u5f97\u7b56\u3067\u3059\u3002<\/p>\n<h3>\u30b3\u30fc\u30c9\u306b\u30b3\u30e1\u30f3\u30c8\u3092\u6b8b\u3059<\/h3>\n<p>\u305f\u3068\u3048\u4ed6\u306e\u4eba\u306b\u5171\u6709\u3059\u308b\u3053\u3068\u304c\u306a\u304f\u3066\u3082\u3001\u30b3\u30e1\u30f3\u30c8\u3092\u6b8b\u3057\u3066\u304a\u304f\u306e\u304c\u8ce2\u660e\u3067\u3059\u3002\u30b3\u30e1\u30f3\u30c8\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code>\/* \u4e00\u822c\u7684\u306aCSS\u306e\u30b3\u30e1\u30f3\u30c8\u306f\u3053\u3093\u306a\u611f\u3058\u3067\u3059 *\/<\/code><\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u8aac\u660e\u3084\u6982\u8981\u3092\u6b8b\u3057\u3066\u304a\u3051\u3070\u3001\u3059\u3079\u3066\u306e\u884c\u3092\u8aad\u307f\u8fbc\u307e\u306a\u304f\u3066\u3082\u3001\u5404\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u95a2\u4fc2\u6027\u3092\u4e00\u76ee\u3067\u628a\u63e1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u5b9a\u7fa9\u3057\u305f\u308a\u3001\u5099\u5fd8\u9332\u3068\u3057\u3066\u6c7a\u5b9a\u4e8b\u9805\u3092\u8a18\u8ff0\u3057\u305f\u308a\u3057\u3066\u304a\u304f\u306e\u306b\u3082\u4fbf\u5229\u3067\u3059\u3002<\/p>\n<h3>\u5927\u898f\u6a21\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u8907\u6570\u306e\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3092\u4f7f\u7528\u3059\u308b<\/h3>\n<p>\u3059\u3079\u3066\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u8a72\u5f53\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u5927\u898f\u6a21\u306a\u30b5\u30a4\u30c8\u3067\u7279\u5b9a\u306eCSS\u304c\u5927\u91cf\u306b\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u306f\u3001\u8907\u6570\u306e\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3092\u4f7f\u7528\u3059\u308b\u306e\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002\u81a8\u5927\u306a\u91cf\u306e\u30b3\u30fc\u30c9\u304c\u4e26\u3076\u4e00\u3064\u306e\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306e\u4e2d\u304b\u30891\u884c\u306e\u30b3\u30fc\u30c9\u3092\u63a2\u3057\u51fa\u3059\u306e\u306f\u3001\u8003\u3048\u305f\u3060\u3051\u3067\u6c17\u304c\u9060\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u7279\u306b\u30b5\u30a4\u30c8\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3054\u3068\u306b\u307e\u3063\u305f\u304f\u9055\u3063\u305f\u30b9\u30bf\u30a4\u30eb\u3092\u5b9f\u88c5\u3059\u308b\u5834\u5408\u306f\u3001\u30b9\u30bf\u30a4\u30eb\u3054\u3068\u306b\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u30d9\u30fc\u30b9\u3068\u306a\u308b\u30b9\u30bf\u30a4\u30eb\u7528\u3068\u3001\u5546\u54c1\u8aac\u660e\u3001\u898b\u51fa\u3057\u3001\u4fa1\u683c\u306a\u3069\u306e\u56fa\u6709\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u6301\u3064<a href=\"https:\/\/kinsta.com\/jp\/blog\/ecommerce-platforms\/\">\u30aa\u30f3\u30e9\u30a4\u30f3\u30b9\u30c8\u30a2<\/a>\u7528\u306e\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306f\u5206\u3051\u308b\u3001\u3068\u3044\u3063\u305f\u914d\u616e\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>2. \u30a4\u30f3\u30e9\u30a4\u30f3\u3001\u5916\u90e8\u30d5\u30a1\u30a4\u30eb\u3001style\u30bf\u30b0\u306e\u4f7f\u7528<\/h2>\n<p>CSS\u306e\u5b9f\u88c5\u65b9\u6cd5\u306b\u306f\u30013\u3064\u306e\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u7279\u5fb4\u3092\u62bc\u3055\u3048\u3066\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u5fdc\u3058\u3066\u4f7f\u3044\u5206\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li><strong>\u30a4\u30f3\u30e9\u30a4\u30f3CSS<\/strong>\u2500\u7279\u5b9a\u306eHTML\u8981\u7d20\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u8a2d\u5b9a<\/li>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/combine-external-css\/\" rel=\"noopener\"><strong>\u5916\u90e8CSS<\/strong><\/a>\u2500\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306a\u3069\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3063\u3066\u30b5\u30a4\u30c8\u5168\u4f53\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u8a2d\u5b9a<\/li>\n<li><strong>style\u30bf\u30b0\u3092\u4f7f\u7528\u3057\u305fCSS\uff08\u5185\u90e8\/\u57cb\u3081\u8fbc\u307f\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3068\u3082\uff09<\/strong>\u2500\u7279\u5b9a\u306e\u8981\u7d20\u3067\u306f\u306a\u304f\u3001\u30da\u30fc\u30b8\u5168\u4f53\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u8a2d\u5b9a<\/li>\n<\/ul>\n<p>\u30ad\u30e3\u30c3\u30b7\u30e5\u306a\u3069\u306e\u89b3\u70b9\u304b\u3089\u3001\u591a\u304f\u306e\u958b\u767a\u8005\u304c\u30a4\u30f3\u30e9\u30a4\u30f3CSS\u306e\u4f7f\u7528\u3092\u907f\u3051\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001CSS\u3092\u8907\u6570\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u5206\u5272\u3057\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u57fa\u672c\u7684\u306b\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u5c11\u306a\u304f\u3068\u3082\u3001\u30a4\u30f3\u30e9\u30a4\u30f3CSS\u306e\u4f7f\u7528\u306f\u307b\u3069\u307b\u3069\u306b\u3002<\/p>\n<p>\u30a4\u30f3\u30e9\u30a4\u30f3CSS\u306f\u3001\u30b5\u30a4\u30c8\u306e1\u3064\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3001\u30c6\u30ad\u30b9\u30c8\u306e\u4e00\u90e8\u3001\u307e\u305f\u306f1\u3064\u306e\u30da\u30fc\u30b8\u3067\u3001\u3061\u3087\u3063\u3068\u3057\u305f\u30b9\u30bf\u30a4\u30eb\u3092\u52a0\u3048\u308b\u306e\u306b\u4f7f\u7528\u3059\u308b\u306e\u304c\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3067\u3042\u308a\u3001\u305d\u308c\u4ee5\u5916\u3067\u5fc5\u8981\u306b\u306a\u308b\u3053\u3068\u306f\u307b\u307c\u306a\u3044\u306f\u305a\u3067\u3059\u3002<\/p>\n<p>\u305d\u308c\u4ee5\u5916\u3067\u306f\u3001\u5916\u90e8CSS\u307e\u305f\u306fstyle\u30bf\u30b0\u3092\u4f7f\u7528\u3057\u307e\u3057\u3087\u3046\u3002\u4e00\u5ea6\u30b9\u30bf\u30a4\u30eb\u3092\u6c7a\u5b9a\u3059\u308c\u3070\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u5168\u4f53\u306b\u9069\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>3. \u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306e\u5727\u7e2e<\/h2>\n<p>CSS\u306e\u3082\u30461\u3064\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306f\u3001\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306e\u5727\u7e2e\u3067\u3059\u3002\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u306e\u77ed\u7e2e\u306b\u5229\u7528\u3067\u304d\u308b<a href=\"https:\/\/kinsta.com\/jp\/blog\/minify-javascript\/#how-to-minify-javascript-in-wordpress-top-5-tools-and-plugins\" rel=\"noopener\">\u5727\u7e2e\u30c4\u30fc\u30eb<\/a>\u306f\u591a\u6570\u3042\u308a\u3002<\/p>\n<h2>4. \u30d7\u30ea\u30d7\u30ed\u30bb\u30c3\u30b5\u3092\u4f7f\u7528\u3059\u308b<\/h2>\n<p>Sass\u3084Scss\u306a\u3069\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/web-development-tools\/\" rel=\"noopener\">\u30d7\u30ea\u30d7\u30ed\u30bb\u30c3\u30b5<\/a>\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5909\u6570\u3084\u95a2\u6570\u3067CSS\u3092\u6574\u7406\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u4f5c\u696d\u306e\u52b9\u7387\u5316\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u30d7\u30ea\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u69cb\u6587\u3092\u7528\u3044\u305fCSS\u4f5c\u6210\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30d7\u30ea\u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u306f\u3001CSS\u3092\u3088\u308a\u4f7f\u3044\u3084\u3059\u3044\u3082\u306e\u306b\u3059\u308b\u305f\u3081\u306e\u6280\u8853\u3067\u3001CSS\u81ea\u4f53\u306b\u306f\u306a\u3044\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u51fa\u529b\u3055\u308c\u308bCSS\u306e\u53ef\u8aad\u6027\u304c\u4e0a\u304c\u308a\u3001\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u306eCSS\u30b3\u30f3\u30d1\u30a4\u30eb\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u4eba\u6c17\u306e\u9ad8\u3044\u30d7\u30ea\u30d7\u30ed\u30bb\u30c3\u30b5\u306b\u306f\u3001<a href=\"https:\/\/sass-lang.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Sass<\/a>\u3001<a href=\"https:\/\/lesscss.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">LESS<\/a>\u3001<a href=\"https:\/\/stylus-lang.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Stylus<\/a>\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/06\/sass.png\" alt=\"Sass\" width=\"900\" height=\"339\"><figcaption class=\"wp-caption-text\">Sass<\/figcaption><\/figure>\n<h2>5. CSS\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u5c0e\u5165\u306e\u662f\u975e<\/h2>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/tailwind-css\/\" rel=\"noopener\">CSS\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af<\/a>\u306f\u4fbf\u5229\u3067\u3042\u308b\u3082\u306e\u306e\u3001\u591a\u304f\u306e\u5834\u5408\u5fc5\u9808\u3067\u306f\u3042\u308a\u307e\u305b\u3093\uff08\u7279\u306b\u5c0f\u898f\u6a21\u306a\u30b5\u30a4\u30c8\u3067\u306f\uff09\u3002<\/p>\n<p>\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5927\u898f\u6a21\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u7d20\u65e9\u304f\u5c55\u958b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u30d0\u30b0\u306e\u56de\u907f\u306b\u3082\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u52a0\u3048\u3066\u3001\u6a19\u6e96\u5316\u3067\u304d\u308b\u30e1\u30ea\u30c3\u30c8\u3082\u3042\u308a\u3001\u8907\u6570\u306e\u30e6\u30fc\u30b6\u30fc\u3067\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u540c\u6642\u306b\u52d5\u304b\u3059\u5834\u5408\u306b\u306f\u6b20\u304b\u305b\u307e\u305b\u3093\u3002<\/p>\n<p>\u30c1\u30fc\u30e0\u30e1\u30f3\u30d0\u30fc\u5168\u54e1\u304c\u540c\u3058\u547d\u540d\u65b9\u6cd5\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u8a2d\u5b9a\u3001\u30b3\u30e1\u30f3\u30c8\u306e\u5f62\u5f0f\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3068\u306f\u8a00\u3048\u3001\u305d\u306e\u4e00\u65b9\u3067\u3001\u4e00\u822c\u7684\u306a\u5916\u89b3\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u306a\u308a\u3001\u307b\u3068\u3093\u3069\u306e\u30b3\u30fc\u30c9\u304c\u4f7f\u7528\u3055\u308c\u305a\u306b\u7d42\u308f\u308b\u3068\u3044\u3046\u61f8\u5ff5\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/06\/bootstrap.png\" alt=\"Bootstrap\" width=\"900\" height=\"586\"><figcaption class=\"wp-caption-text\">Bootstrap<\/figcaption><\/figure>\n<p>CSS\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u3044\u3046\u540d\u524d\u306f\u3001\u591a\u304f\u306e\u4eba\u304c\u805e\u3044\u305f\u3053\u3068\u304c\u3042\u308b\u306f\u305a\u3067\u3059\u3002\u6709\u540d\u3069\u3053\u308d\u306f\u3001<a href=\"https:\/\/getbootstrap.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Bootstrap<\/a>\u3084<a href=\"https:\/\/get.foundation\/\" target=\"_blank\" rel=\"noopener noreferrer\">Foundation<\/a>\u3067\u3057\u3087\u3046\u3002\u305d\u306e\u4ed6\u306b\u3082<a href=\"https:\/\/kinsta.com\/jp\/blog\/tailwind-css\/\" rel=\"noopener\">Tailwind CSS<\/a>\u3084<a href=\"https:\/\/bulma.io\/\" target=\"_blank\" rel=\"noopener noreferrer\">Bulma<\/a>\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>6. \u30ea\u30bb\u30c3\u30c8CSS<\/h2>\n<p>\u3059\u3050\u306b\u53d6\u308a\u5165\u308c\u3089\u308c\u308b\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3001\u30ea\u30bb\u30c3\u30c8CSS\u304c\u3042\u308a\u307e\u3059\u3002<a href=\"https:\/\/necolas.github.io\/normalize.css\/\" target=\"_blank\" rel=\"noopener noreferrer\">normalize.css<\/a>\u306a\u3069\u3092\u5229\u7528\u3059\u308b\u3068\u3001\u3059\u3079\u3066\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u30da\u30fc\u30b8\u8981\u7d20\u304c\u4e00\u8cab\u3057\u3066\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u6700\u65b0\u306e\u6a19\u6e96\u306b\u6e96\u62e0\u3057\u3066\u30d6\u30e9\u30a6\u30b6\u306e\u4e0d\u4e00\u81f4\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u52b9\u679c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30ea\u30bb\u30c3\u30c8CSS\u306e\u6b63\u4f53\u306f\u3001CSS\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002\u3053\u308c\u3092\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u3067\u3001\u5404\u30d6\u30e9\u30a6\u30b6\u306b\u3066\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6307\u5b9a\u3055\u308c\u3066\u3044\u308bCSS\u3092\u30ea\u30bb\u30c3\u30c8\u3057\u3001\u30d6\u30e9\u30a6\u30b6\u9593\u306eCSS\u306e\u8868\u793a\u3092\u63c3\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>7. \u30af\u30e9\u30b9\u3068id<\/h2>\n<p>CSS\u3092\u4f7f\u7528\u3059\u308b\u4e0a\u3067\u6c17\u3092\u3064\u3051\u305f\u3044\u306e\u304c\u3001\u30af\u30e9\u30b9\u3068id\u306e\u6271\u3044\u3067\u3059\u3002\u4ee5\u4e0b\u3001\u7c21\u5358\u306b\u305d\u308c\u305e\u308c\u306e\u5b9a\u7fa9\u3092\u62bc\u3055\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li><strong>\u30af\u30e9\u30b9<\/strong>\u2500<a href=\"https:\/\/www.educative.io\/answers\/class-and-id-selectors-in-css\" target=\"_blank\" rel=\"noopener noreferrer\">\u30af\u30e9\u30b9\u30bb\u30ec\u30af\u30bf<\/a>\uff08<strong>.classname<\/strong>\uff09\u306f\u3001\u7279\u5b9a\u306eclass\u540d\u304c\u4ed8\u5c5e\u3057\u305f\u8981\u7d20\u3092\u9078\u629e\u3059\u308b\u3082\u306e\u3067\u3059\u3002class\u5c5e\u6027\u306e\u4ed8\u3055\u308c\u305fHTML\u8981\u7d20\uff08\u8907\u6570\u3067\u3082OK\uff09\u306b\u7279\u5b9a\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>id<\/strong>\u2500id\u30bb\u30ec\u30af\u30bf\uff08<strong>#<\/strong>\uff09\u306f\u3001\u7279\u5b9a\u306eid\u540d\u304c\u4ed8\u5c5e\u3057\u305f\u8981\u7d20\u3092\u9078\u629e\u3059\u308b\u3082\u306e\u3067\u3059\u3002id\u5c5e\u6027\u306f\u3001\u30bb\u30ec\u30af\u30bf\u306e\u5024\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3061\u3089\u306f\u3001\u56fa\u6709\u306e\u8981\u7d20\u306b\u4e00\u5ea6\u3060\u3051\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u5927\u4e8b\u306a\u9055\u3044\u3068\u3057\u3066\u3001id\u306f1\u3064\u306e\u8981\u7d20\u306b\u3001class\u306f\u8907\u6570\u306e\u8981\u7d20\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u524d\u8005\u306f1\u3064\u306eHTML\u8981\u7d20\u3001\u5f8c\u8005\u306f\u8907\u6570\u306e<a href=\"https:\/\/kinsta.com\/blog\/learn-html\/\" rel=\"noopener\">HTML\u8981\u7d20<\/a>\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3059\u308b\u306e\u306b\u4f7f\u7528\u53ef\u80fd\u3067\u3059\u3002\u3053\u306e\u57fa\u672c\u30eb\u30fc\u30eb\u306b\u5f93\u3048\u3070\u3001\u30b3\u30fc\u30c9\u3092\u304d\u308c\u3044\u306b\u307e\u3068\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u4e0d\u8981\u306a\u30b3\u30fc\u30c9\u3084\u305d\u306e\u91cd\u8907\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u5148\u307b\u3069\u89e6\u308c\u305f\u30a4\u30f3\u30e9\u30a4\u30f3\u3001\u5916\u90e8CSS\u7b49\u306e\u8b70\u8ad6\u540c\u69d8\u30011\u3064\u306e\u8981\u7d20\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3059\u308b\u306b\u306fid\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u57fa\u672c\u7684\u306b\u3001id\u306f\u30da\u30fc\u30b8\u4e0a\u306e\u4f8b\u5916\u7684\u306a\u30b9\u30bf\u30a4\u30eb\u306b\u4f7f\u7528\u3059\u308b\u76ee\u7684\u3067\u4f5c\u3089\u308c\u3066\u304a\u308a\u3001\u30da\u30fc\u30b8\u3084\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u5168\u4f53\u306b\u9069\u7528\u3059\u308b\u5305\u62ec\u7684\u306a\u30b9\u30bf\u30a4\u30eb\u306b\u306f\u9069\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<h2>8. \u5197\u9577\u306a\u30b3\u30fc\u30c9\u306f\u907f\u3051\u308b<\/h2>\n<p>CSS\u304c\u5197\u9577\u306b\u306a\u308b\u306e\u306f\u3067\u304d\u308b\u3060\u3051\u907f\u3051\u307e\u3057\u3087\u3046\u3002\u4ee5\u4e0b\u3001\u5177\u4f53\u7684\u306a\u5b9f\u8df5\u65b9\u6cd5\u3092\u3044\u304f\u3064\u304b\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h3>DRY\u306e\u539f\u5247<\/h3>\n<p>DRY\u306f\u300cDon&#8217;t Repeat Yourself\u300d\u306e\u7565\u8a9e\u3067\u3001\u540c\u3058\u30b3\u30fc\u30c9\u306f\u7e70\u308a\u8fd4\u3059\u3079\u304d\u3067\u306a\u3044\u3068\u3044\u3046\u8003\u3048\u65b9\u3067\u3059\u3002\u30b9\u30bf\u30a4\u30eb\u3092\u4f55\u5ea6\u3082\u7e70\u308a\u8fd4\u3057\u66f8\u3051\u3070\u4f59\u8a08\u306a\u624b\u9593\u304c\u304b\u304b\u308a\u3001\u3055\u3089\u306b\u306f\u30b5\u30a4\u30c8\u306e\u901f\u5ea6\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u65e5\u9803\u304b\u3089\u5197\u9577\u6027\u56de\u907f\u3092\u610f\u8b58\u3057\u3066\u30b3\u30fc\u30c9\u3092\u898b\u76f4\u3059\u7656\u3092\u3064\u3051\u307e\u3057\u3087\u3046\u3002\u4f8b\u3048\u3070\u3001\u540c\u3058\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u30d5\u30a9\u30f3\u30c8\u30b5\u30a4\u30ba\u3092\u5b9a\u7fa9\u3059\u308b\u30bf\u30b0\u306f\u3001\u4e00\u5ea6\u4f7f\u7528\u3059\u308c\u3070OK\u3067\u3059\u3002\u91cd\u8907\u3092\u6392\u9664\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u306e\u8aad\u307f\u3084\u3059\u3055\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<h3>\u7701\u7565\u8a18\u6cd5\u3092\u6d3b\u7528\u3059\u308b<\/h3>\n<p>CSS\u306e\u7701\u7565\u8a18\u6cd5\u306f\u3001\u672c\u6765\u306e\u6027\u80fd\u3092\u4fdd\u3061\u3064\u3064\u30b3\u30fc\u30c9\u306e\u91cf\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u753b\u671f\u7684\u306a\u6280\u8853\u3067\u3059\u3002\u8907\u6570\u306e\u30b9\u30bf\u30a4\u30eb\u30921\u884c\u306b\u307e\u3068\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u4f8b\u3048\u3070\u3001\u7279\u5b9a\u306ediv\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u8a2d\u5b9a\u3059\u308b\u5834\u5408\u3001margin\u3001padding\u3001font\u3001font size\u3001color\u3092\u3059\u3079\u30661\u3064\u306e\u884c\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\u8981\u7d20\u306b\u8907\u6570\u306e\u30af\u30e9\u30b9\u3092\u6307\u5b9a\u3059\u308b<\/h3>\n<p>1\u3064\u306e\u8981\u7d20\u306b\u8907\u6570\u306e\u30af\u30e9\u30b9\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u5197\u9577\u306b\u306a\u308b\u306e\u3092\u907f\u3051\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30da\u30fc\u30b8\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u304c<strong>.left<\/strong>\u30af\u30e9\u30b9\u3068float\u306b\u3088\u308a\u3001\u3059\u3067\u306b\u5de6\u306b\u5bc4\u3063\u3066\u3044\u308b\u3082\u306e\u306e\u3001\u3042\u308b\u5217\u3092\u53f3\u5074\u306b\u914d\u7f6e\u3057\u305f\u3044\u3068\u3057\u307e\u3059\u3002\u8981\u7d20\u306b\u305d\u306e\u30af\u30e9\u30b9\u3092\u6307\u5b9a\u3059\u308c\u3070\u3001\u6df7\u4e71\u3092\u9632\u304e\u306a\u304c\u3089\u3001\u30d9\u30fc\u30b9\u306e\u5de6\u63c3\u3048\u306b\u52a0\u3048\u3066\u3001\u3069\u306e\u8981\u7d20\u3092\u53f3\u5074\u306b\u5bc4\u305b\u308b\u304b\u3092\u5177\u4f53\u7684\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u534a\u89d2\u30b9\u30da\u30fc\u30b9\u3067\u533a\u5207\u308c\u3070\u3001\u8981\u7d20\u306b\u597d\u304d\u306a\u3060\u3051\u30af\u30e9\u30b9\u3092\u6307\u5b9a\u3067\u304d\u308b\u306e\u3082\u4fbf\u5229\u3067\u3059\u3002<\/p>\n<h3>\u8981\u7d20\u3092\u7d44\u307f\u5408\u308f\u305b\u308b<\/h3>\n<p>\u8981\u7d20\u30921\u3064\u305a\u3064\u4e26\u3079\u308b\u3088\u308a\u3082\u3001\u7d44\u307f\u5408\u308f\u305b\u3066\u4e26\u3079\u308b\u307b\u3046\u304c\u3001\u30b9\u30da\u30fc\u30b9\u3068\u624b\u9593\u306e\u524a\u6e1b\u306b\u306a\u308a\u307e\u3059\u3002\u57fa\u672c\u7684\u306b\u30011\u3064\u306e\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u5185\u306e\u8981\u7d20\u306f\u540c\u3058\uff08\u307e\u305f\u306f\u985e\u4f3c\u306e\uff09\u30b9\u30bf\u30a4\u30eb\u3092\u6301\u3064\u3053\u3068\u306b\u306a\u308a\u3001\u30da\u30fc\u30b8\u4e0a\u306e\u3059\u3079\u3066\u306e\u30c6\u30ad\u30b9\u30c8\u8981\u7d20\u306b\u3064\u3044\u3066\u30d5\u30a9\u30f3\u30c8\u3001\u8272\u3001\u914d\u7f6e\u3092\u5217\u6319\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u307e\u3068\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code>h1, h2, h3, p {\nfont-family: arial,\ncolor: #00000\n}<\/code><\/pre>\n<h3>\u4e0d\u8981\u306a\u30bb\u30ec\u30af\u30bf\u306f\u7701\u7565\u3059\u308b<\/h3>\n<p>\u30b5\u30a4\u30c8\u306e\u30c7\u30b6\u30a4\u30f3\u3092\u5b8c\u6210\u3055\u305b\u308b\u904e\u7a0b\u3067\u3001\u30b3\u30fc\u30c9\u304c\u5c11\u3057\u4e71\u96d1\u306b\u306a\u308b\u3053\u3068\u3082\u3002\u305d\u306e\u305f\u3081\u3001\u4e0d\u8981\u306a\u30bb\u30ec\u30af\u30bf\u304c\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3057\u524a\u9664\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u307e\u305f\u3001\u8907\u96d1\u3059\u304e\u308b\u30bb\u30ec\u30af\u30bf\u306b\u3082\u6c17\u3092\u3064\u3051\u307e\u3057\u3087\u3046\u3002\u4f8b\u3048\u3070\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3067\u30ea\u30b9\u30c8\u3092\u88c5\u98fe\u3059\u308b\u306b\u306f\u300c<strong>.classname li {<\/strong>\u300d\u3060\u3051\u3067OK\u3067\u3001body\u3084container\u306a\u3069\u306e\u30bb\u30ec\u30af\u30bf\u306f\u4e0d\u8981\u3067\u3059\u3002<\/p>\n<h2>9. \u30d5\u30a9\u30f3\u30c8\u3092\u9069\u5207\u306b\u53d6\u308a\u8fbc\u3080<\/h2>\n<p>\u30d5\u30a9\u30f3\u30c8\u3092<a href=\"https:\/\/kinsta.com\/blog\/html-fonts\/\" rel=\"noopener\">\u9069\u5207\u306b\u53d6\u308a\u8fbc\u3093\u3067\u4f7f\u7528<\/a>\u3059\u308b\u3053\u3068\u3082\u3001CSS\u306e\u6700\u9069\u5316\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<h3>@font-face\u3092\u4f7f\u7528\u3059\u308b<\/h3>\n<p>\u30d5\u30a9\u30f3\u30c8\u306e\u8ffd\u52a0\u65b9\u6cd5\u306f\u3055\u307e\u3056\u307e\u3067\u3059\u304c\u3001\u6b63\u3057\u304f\u52d5\u4f5c\u3055\u305b\u308b\u306b\u306f\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/06\/web-font-generator.png\" alt=\"Font Squirrel\u306eWebfont Generator\" width=\"900\" height=\"343\"><figcaption class=\"wp-caption-text\">Font Squirrel\u306eWebfont Generator<\/figcaption><\/figure>\n<ol>\n<li><strong>\u4f7f\u7528\u3059\u308b\u30d5\u30a9\u30f3\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/strong>\u2500Google\u3084Adobe\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u30d5\u30a9\u30f3\u30c8\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u9078\u629e\u3057\u305f\u30d5\u30a9\u30f3\u30c8\u306e.ttf\u30d5\u30a1\u30a4\u30eb\uff08True Type\uff09\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>Font Squirrel\u306e<a href=\"https:\/\/www.fontsquirrel.com\/tools\/webfont-generator\" target=\"_blank\" rel=\"noopener noreferrer\">Webfont Generator<\/a>\u306b\u30d5\u30a9\u30f3\u30c8\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9<\/strong>\u2500\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u30ad\u30c3\u30c8\u3092\u751f\u6210\u3057\u305f\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002\u3053\u308c\u306e\u4e2d\u306b\u306f.ttf, .woff, .woff2, .eot\u306a\u3069\u306e\u8907\u6570\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u5165\u3063\u3066\u3044\u307e\u3059\u3002CSS\u30d5\u30a1\u30a4\u30eb\u3082\u3053\u3053\u306b\u542b\u307e\u308c\u307e\u3059\u3002<\/li>\n<li><strong>FTP\u3092\u4f7f\u3063\u3066\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u30ad\u30c3\u30c8\u3092\u30b5\u30a4\u30c8\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9<\/strong>\u2500\u304a\u4f7f\u3044\u306e\u30b5\u30fc\u30d0\u30fc\u30b5\u30fc\u30d3\u30b9\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u304c\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/best-ftp-clients\/\">FTP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8<\/a>\u307e\u305f\u306f<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-cpanel\/\" rel=\"noopener\">cPanel<\/a>\u306a\u3069\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\u306e\u30d5\u30a1\u30a4\u30eb\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b5\u30a4\u30c8\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/li>\n<li><strong><a href=\"https:\/\/kinsta.com\/jp\/blog\/best-text-editors\/\" rel=\"noopener\">\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u30fc<\/a>\u3067CSS\u30d5\u30a1\u30a4\u30eb\u3092\u7de8\u96c6<\/strong>\u2500NotePad\u3084Sublime\u306a\u3069\u3001\u597d\u304d\u306aHTML\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002CSS\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u3001\u30bd\u30fc\u30b9URL\u304c\u8a18\u8f09\u3055\u308c\u3066\u304a\u308a\u3001\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u30ad\u30c3\u30c8\u304c\u30b5\u30fc\u30d0\u30fc\u306e\u3069\u3053\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u53cd\u6620\u3059\u308b\u305f\u3081\u306b\u66f8\u304d\u63db\u3048\u304c\u5fc5\u8981\u3067\u3059\u3002\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u4e0a\u306e\u5404\u30d5\u30a9\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb\u304c\u4fdd\u7ba1\u3055\u308c\u3066\u3044\u308b\u5834\u6240\u3092\u6307\u3059\u3088\u3046\u306b\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u3092\u8cbc\u308a\u4ed8\u3051\u307e\u3059\u3002\u5b9f\u969b\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre><code>@font-face {\nfont-family: \"FontName\";\nsrc: url(\"https:\/\/sitename.com\/css\/fonts\/FontName.eot\");\nsrc: url(\"https:\/\/sitename.com\/css\/fonts\/FontName.woff\") format(\"woff\"),\nurl(\"https:\/\/sitename.com\/css\/fonts\/FontName.otf\") format(\"opentype\"),\nurl(\"https:\/\/sitename.com\/css\/fonts\/FontName.svg#filename\") format(\"svg\");\n}<\/code><\/pre>\n<p>\u305d\u3057\u3066CSS\u30d5\u30a1\u30a4\u30eb\u3067<strong>font-family<\/strong>\u30bf\u30b0\u3092\u4f7f\u3044\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5411\u4e0a\u306e\u305f\u3081\u3001\u305d\u3057\u3066\u3001\u8aad\u307f\u8fbc\u307f\u4e2d\u306b\u30b5\u30a4\u30c8\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u610f\u56f3\u305b\u305a\u8abf\u6574\u3055\u308c\u308b\u306e\u3092\u9632\u3050\u305f\u3081\u3001\u30d5\u30a9\u30f3\u30c8\u3092\u4e8b\u524d\u306b\u8aad\u307f\u8fbc\u3093\u3067\u304a\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-change-font-in-wordpress\/\" rel=\"noopener\">\u30d5\u30a9\u30f3\u30c8\u3092\u4e8b\u524d\u306b\u53d6\u308a\u8fbc\u307f<\/a>\u3001WOFF2\u5f62\u5f0f\u306e\u30d5\u30a9\u30f3\u30c8\uff08\u307e\u305f\u306f\u6700\u5c0f\u306e\u30d5\u30a9\u30f3\u30c8\u30b5\u30a4\u30ba\uff09\u3092\u6700\u521d\u306b\u8aad\u307f\u8fbc\u3080\u3053\u3068\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5287\u7684\u306b\u6539\u5584\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001<strong>&lt;head&gt;<\/strong>\u30bf\u30b0\u5185\u306b1\u884c\u306e\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3059\u308b\u3060\u3051\u3067\u5b9f\u884c\u53ef\u80fd\u3067\u3059\u3002<a href=\"https:\/\/betterwebtype.com\/articles\/2019\/11\/02\/preloading-fonts-when-does-it-make-sense\/\" target=\"_blank\" rel=\"noopener noreferrer\">Better Web Type<\/a>\u306e\u7c21\u5358\u306a\u4f8b\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n<pre><code>&lt;link rel=\"preload\" as=\"font\" href=\"\/assets\/fonts\/3A1C32_0_0.woff2\" type=\"font\/woff2\" crossorigin=\"crossorigin\"&gt;<\/code><\/pre>\n<p>\u5225\u306e\u65b9\u6cd5\u3068\u3057\u3066\u3001\u5229\u7528\u3059\u308b\u6587\u5b57\u3092\u5236\u9650\uff08\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u3068\u547c\u3070\u308c\u308b\uff09\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u7279\u5b9a\u306e\u6587\u5b57\u3057\u304b\u5229\u7528\u3057\u3066\u3044\u306a\u3044\u30d5\u30a9\u30f3\u30c8\u304c\u3042\u308b\u5834\u5408\uff08\u30d8\u30c3\u30c0\u30fc\u3084\u30ed\u30b4\u3067\u3057\u304b\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u7b49\uff09\u3001\u30d5\u30a9\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb\u306e\u5168\u4f53\u3092\u547c\u3073\u51fa\u3059\u5fc5\u8981\u306f\u306a\u304f\u3001\u5b9f\u969b\u306b\u5fc5\u8981\u306a\u6570\u6587\u5b57\u306e\u307f\u547c\u3073\u51fa\u305b\u3070OK\u3067\u3059\u3002\u4f8b\u3048\u3070\u300cHello\u300d\u3068\u3044\u3046\u6587\u5b57\u3060\u3051\u3092\u547c\u3073\u51fa\u3059\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<pre><code>&lt;link href=\"http:\/\/fonts.googleapis.com\/css?family=Open+Sans&text=Hello\" rel=\"stylesheet\"&gt;<\/code><\/pre>\n<h3>\u30ed\u30fc\u30ab\u30eb\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u30d5\u30a9\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b<\/h3>\n<p>\u4e0a\u8a18\u3067\u6319\u3052\u305f\u65b9\u6cd5\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/local-fonts\/\" rel=\"noopener\">\u30ed\u30fc\u30ab\u30eb\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u30d5\u30a9\u30f3\u30c8<\/a>\u3092\u4f7f\u7528\u3059\u308b\u524d\u63d0\u3067\u3001\u3053\u308c\u304c\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3067\u3059\u3002\u8868\u793a\u901f\u5ea6\u304c\u5927\u5e45\u306b\u6539\u5584\u3055\u308c\u3001\u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u51e6\u7406\u3092\u4ed6\u306e\u30b5\u30a4\u30c8\u306e\u901f\u5ea6\u306b\u4f9d\u5b58\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u30d5\u30a9\u30f3\u30c8\u306e\u4f7f\u3044\u3059\u304e\u306b\u6ce8\u610f<\/h3>\n<p><a href=\"https:\/\/csshell.dev\/posts\/font-variation-misfortune\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u3055\u307e\u3056\u307e\u306a\u30d5\u30a9\u30f3\u30c8<\/a>\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u306f\u3001\u500b\u6027\u3092\u51fa\u3057\u305f\u308a\u3001\u660e\u308b\u3044\u5370\u8c61\u3092\u4e0e\u3048\u308b\u4e0a\u3067\u52b9\u679c\u7684\u306a\u624b\u6cd5\u3068\u306a\u308a\u5f97\u307e\u3059\u3002\u3057\u304b\u3057\u4e00\u6b69\u8aa4\u308c\u3070\u3001\u30b5\u30a4\u30c8\u304c\u7834\u640d\u3059\u308b\u6050\u308c\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><strong>font-variation-settings<\/strong>\u4e0b\u3067\u8907\u6570\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u91cd\u306a\u308a\u5408\u3063\u3066\u4e00\u65b9\u304c\u3082\u3046\u4e00\u65b9\u3092\u4e0a\u66f8\u304d\u3057\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30b7\u30f3\u30d7\u30eb\u306b\u30d5\u30a9\u30f3\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre><code>.bold {\nfont-weight: bold;\n}\n.italic {\nfont-style: italic;\n}<\/code><\/pre>\n<h3>\u4e88\u5099\u306e\u30d5\u30a9\u30f3\u30c8\u3092\u7528\u610f\u3059\u308b<\/h3>\n<p>\u305f\u3068\u3048\u30d5\u30a9\u30f3\u30c8\u3092\u53d6\u308a\u8fbc\u3093\u3067CSS\u3067\u4f7f\u7528\u3057\u3066\u3082\u3001\u78ba\u5b9f\u306b\u52d5\u4f5c\u3059\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\uff08\u7279\u306b\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u3067\u30a2\u30af\u30bb\u30b9\u3057\u305f\u5834\u5408\uff09\u3002\u30b5\u30a4\u30c8\u8a2a\u554f\u8005\u306b\u306f\u3001\u3067\u304d\u308b\u9650\u308a\u512a\u308c\u305f\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u4f53\u9a13\u3092\u63d0\u4f9b\u3057\u305f\u3044\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u306b\u306f\u3001\u6307\u5b9a\u306e\u30d5\u30a9\u30f3\u30c8\u304c\u6b63\u3057\u304f\u8aad\u307f\u8fbc\u307e\u308c\u306a\u3044\u5834\u5408\u306b\u5099\u3048\u3066\u3001\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u30d5\u30a9\u30f3\u30c8\u3092\u8a2d\u5b9a\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<strong>font-family<\/strong>\u306b\u30d5\u30a9\u30f3\u30c8\u3092\u6307\u5b9a\u3057\u305f\u5f8c\u3001\u7d9a\u3051\u3066\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u30d5\u30a9\u30f3\u30c8\u3082\u8a18\u8ff0\u3059\u308b\u306e\u304c\u5f97\u7b56\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u3063\u3066\u3001\u307e\u305a\u306f\u6307\u5b9a\u3057\u305f\u30d5\u30a9\u30f3\u30c8\u3092\u547c\u3073\u51fa\u3057\u3001\u554f\u984c\u304c\u3042\u308c\u3070\u6b21\u306b\u8a18\u8ff0\u3055\u308c\u305f\u30d5\u30a9\u30f3\u30c8\u3001\u305d\u308c\u3082\u8aad\u307f\u8fbc\u3081\u306a\u3051\u308c\u3070\u305d\u306e\u6b21\u306e\u30d5\u30a9\u30f3\u30c8\u2026\u3068\u3044\u3046\u3088\u3046\u306b\u51e6\u7406\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.w3schools.com\/css\/css_font_fallbacks.asp\" target=\"_blank\" rel=\"noopener noreferrer\">W3Schools<\/a>\u306b\u3088\u308b\u3068\u3001<a href=\"https:\/\/kinsta.com\/blog\/html-fonts\/\" rel=\"noopener\">\u30d5\u30a9\u30f3\u30c8\u30d5\u30a1\u30df\u30ea\u30fc<\/a>\u306f\u3001\u4e3b\u306b5\u3064\u306e\u30ab\u30c6\u30b4\u30ea\u306b\u5206\u985e\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5404\u30ab\u30c6\u30b4\u30ea\u3067\u4eba\u6c17\u306e\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u30d5\u30a9\u30f3\u30c8\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u6319\u3052\u3089\u308c\u307e\u3059\uff08\u6b27\u6587\u30d5\u30a9\u30f3\u30c8\uff09\u3002<\/p>\n<ul>\n<li><strong>\u30bb\u30ea\u30d5\u4f53<\/strong>\uff1aTimes New Roman\u3001Georgia\u3001Garamond<\/li>\n<li><strong>\u30b5\u30f3\u30bb\u30ea\u30d5\u4f53<\/strong>\uff1aArial\u3001Tahoma\u3001Helvetica<\/li>\n<li><strong>\u7b49\u5e45\u30d5\u30a9\u30f3\u30c8<\/strong>\uff1aCourier New<\/li>\n<li><strong>Cursive\uff08\u7b46\u8a18\u4f53\uff09<\/strong>\uff1aBrush Script MT<\/li>\n<li><strong>Fantasy\uff08\u30d5\u30a1\u30f3\u30bf\u30b8\u30fc\uff09<\/strong>\uff1aCopperplate\u3001Papyrus<\/li>\n<\/ul>\n<h2>10. \u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3092\u610f\u8b58\u3059\u308b<\/h2>\n<p>\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u5411\u3051\u305f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u69cb\u7bc9\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3042\u308a\u3001CSS\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3082\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u3067\u304d\u308b\u9650\u308a\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u8a2a\u554f\u3001\u5229\u7528\u3057\u3066\u3082\u3089\u3046\u305f\u3081\u306b\u3001\u969c\u304c\u3044\u3092\u62b1\u3048\u305f\u30e6\u30fc\u30b6\u30fc\u306b\u914d\u616e\u3057\u305f\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5bfe\u5fdc\u7b56\u306f\u6b20\u304b\u305b\u307e\u305b\u3093\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u70b9\u3092\u610f\u8b58\u3057\u3001\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5411\u4e0a\u3092\u76ee\u6307\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/html-font-color\/\" rel=\"noopener\">\u5225\u306e\u8272\u3092\u9069\u7528<\/a>\u3057\u3066\u30ea\u30f3\u30af\u3092\u76ee\u7acb\u305f\u305b\u308b\u3002<\/li>\n<li>\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u3092Esc\u30ad\u30fc\u3067\u6d88\u305b\u308b\u3088\u3046\u306b\u3059\u308b\u3002\u97f3\u58f0\u8aad\u307f\u4e0a\u3052\u30bd\u30d5\u30c8\uff08\u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\uff09\u3084\u62e1\u5927\u8aad\u66f8\u5668\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u3092\u975e\u8868\u793a\u306b\u3059\u308b\u300cX\u300d\u304c\u898b\u3048\u306a\u3044\u3053\u3068\u304c\u591a\u304f\u3001\u30ad\u30fc\u64cd\u4f5c\u3067\u6d88\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3002<\/li>\n<li>\u305d\u3082\u305d\u3082\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u30c7\u30d0\u30a4\u30b9\u3082\u3042\u308b\u305f\u3081\u3001\u91cd\u8981\u306a\u60c5\u5831\u306f\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u753b\u9762\u4ee5\u5916\u3067\u4f1d\u3048\u308b\u3002<\/li>\n<li>\u30c4\u30fc\u30eb\u30c1\u30c3\u30d7\u306e\u3088\u3046\u306a\u30db\u30d0\u30fc\u8981\u7d20\u306f\u3001\u30de\u30a6\u30b9\u30db\u30d0\u30fc\u3060\u3051\u3067\u306a\u304f<a href=\"https:\/\/accessuse.eu\/en\/Content-hover-focus.html\">Tab\u30ad\u30fc\u3067\u3082\u51fa\u73fe\u3059\u308b<\/a>\u3088\u3046\u306b\u3059\u308b\u3002<\/li>\n<li>\u30a2\u30a6\u30c8\u30e9\u30a4\u30f3\u304c\u6d88\u3048\u306a\u3044\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u3001\u30ad\u30fc\u30dc\u30fc\u30c9\u304c\u30d5\u30a9\u30fc\u30ab\u30b9\u3057\u3066\u3044\u308b<a href=\"https:\/\/kinsta.com\/jp\/blog\/clickable-elements-too-close-together\/\" rel=\"noopener\">\u8981\u7d20<\/a>\u306e\u5468\u308a\u306b\u81ea\u52d5\u7684\u306b\u30a2\u30a6\u30c8\u30e9\u30a4\u30f3\u3092\u8868\u793a\u3059\u308b\u3002<strong>outline:none<\/strong>\u3067\u7121\u52b9\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u304c\u3001\u97f3\u58f0\u8aad\u307f\u4e0a\u3052\u30bd\u30d5\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u3084\u3001\u8996\u529b\u304c\u4f4e\u4e0b\u3057\u3001\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306b\u5f37\u8abf\u8981\u7d20\u306a\u3069\u304c\u5fc5\u8981\u306a\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u306f\u4e0d\u53ef\u6b20\u306a\u8981\u7d20\u3067\u3042\u308b\u305f\u3081\u975e\u63a8\u5968\u3002<\/li>\n<li>\u30d5\u30a9\u30fc\u30ab\u30b9\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u306e\u6539\u5584\u3002\u30d5\u30a9\u30fc\u30ab\u30b9\u3055\u308c\u305f\u8981\u7d20\u306e\u30a2\u30a6\u30c8\u30e9\u30a4\u30f3\u306f\u3001\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306e\u305f\u3081\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u6b20\u304b\u305b\u306a\u3044\u304c\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30a2\u30a6\u30c8\u30e9\u30a4\u30f3\u306f\u307b\u3068\u3093\u3069\u898b\u3048\u306a\u3044\u3053\u3068\u3082\u3002\u898b\u3048\u3084\u3059\u304f\u306a\u308b\u69d8\u3001<strong>:focus<\/strong>\u3092\u4f7f\u7528\u3057\u3066\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u4e2d\u306e\u8981\u7d20\u3092\u76ee\u7acb\u305f\u305b\u308b\u30b9\u30bf\u30a4\u30eb\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u5927\u5207\u3002\u540c\u3058\u3053\u3068\u3092<strong>:hover<\/strong>\u3067\u5b9f\u884c\u3057\u3066\u3001\u30db\u30d0\u30fc\u52b9\u679c\uff08\u30ab\u30fc\u30bd\u30eb\u304c\u753b\u50cf\u3084\u30ea\u30f3\u30af\u306a\u3069\u306e\u4e0a\u3092\u901a\u904e\u3059\u308b\u3068\u5909\u5316\u304c\u8d77\u3053\u308b\u3053\u3068\uff09\u3092\u9ad8\u3081\u308b\u3053\u3068\u3082\u6709\u52b9\u3002\u4ee5\u4e0b\u306f\u3001<a href=\"https:\/\/www.washington.edu\/accessibility\/checklist\/focus\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30ef\u30b7\u30f3\u30c8\u30f3\u5927\u5b66<\/a>\u306e\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u308b\u3001<strong>:focus<\/strong>\u3092\u4f7f\u7528\u3057\u305f\u597d\u4f8b\u3067\u3059\u3002<\/li>\n<\/ul>\n<pre><code>a {\ncolor: black;\nbackground-color: white;\ntext-decoration: underline\n}\na:focus, a:hover {\ncolor: white;\nbackground-color: black;\ntext-decoration: none\n}<\/code><\/pre>\n<p>\u4e0a\u8a18\u30b3\u30fc\u30c9\u3067\u306f\u3001\u767d\u3044\u80cc\u666f\u306b\u9ed2\u3044\u30c6\u30ad\u30b9\u30c8\u3067\u30ea\u30f3\u30af\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u304c\u3001\u30ad\u30fc\u30dc\u30fc\u30c9\u30d5\u30a9\u30fc\u30ab\u30b9\uff08\u30e6\u30fc\u30b6\u30fc\u304c\u8981\u7d20\u306bTab\u30ad\u30fc\u3092\u62bc\u3057\u305f\u3068\u304d\uff09\u306b\u79fb\u52d5\u3059\u308b\u3068\u3001\u80cc\u666f\u304c\u767d\u3044\u30c6\u30ad\u30b9\u30c8\u306b\u5909\u308f\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30ab\u30fc\u30bd\u30eb\u3092\u5408\u308f\u305b\u305f\u3068\u304d\u306b\u3082\u540c\u3058\u52b9\u679c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>11. \u547d\u540d\u898f\u5247\u3092\u4f7f\u7528\u3059\u308b<\/h2>\n<p>\u4e00\u898b\u5927\u3057\u305f\u3053\u3068\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u4e00\u5ea6\u6c7a\u3081\u305f\u540d\u524d\u306f\u3001\u5c06\u6765\u306b\u308f\u305f\u3063\u3066\u4f7f\u7528\u3057\u7d9a\u3051\u308b\u3082\u306e\u3067\u3042\u308a\u3001\u9069\u5207\u3067\u306a\u3044\u540d\u524d\u3092\u3064\u3051\u3066\u3057\u307e\u3046\u3068\u3001\u5f8c\u3005\u554f\u984c\u306b\u306a\u308a\u3001\u4fee\u6b63\u306b\u624b\u9593\u3084\u8cbb\u7528\u304c\u304b\u304b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/eliminate-render-blocking-javascript-css\/\" rel=\"noopener\">CSS\u306e\u8a18\u8ff0<\/a>\u3092\u59cb\u3081\u308b\u524d\u306b\u3042\u3089\u304b\u3058\u3081\u547d\u540d\u898f\u5247\u3092\u6c7a\u3081\u3066\u3001\u305d\u308c\u306b\u5f93\u3046\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u8aa4\u3063\u305f\u8981\u7d20\u3092\u53c2\u7167\u3059\u308b\u53ef\u80fd\u6027\u304c\u4f4e\u304f\u306a\u308a\u3001\u5f8c\u3005\u30c7\u30d0\u30c3\u30b0\u306b\u304b\u3051\u308b\u6642\u9593\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<a href=\"https:\/\/www.freecodecamp.org\/news\/css-naming-conventions-that-will-save-you-hours-of-debugging-35cea737d849\/\" target=\"_blank\" rel=\"noopener noreferrer\">FreeCodeCamp<\/a>\u306f\u3001CSS\u306e\u6a19\u6e96\u8868\u8a18\uff08\u4f8b\u3048\u3070\u3001<strong>font-weight<\/strong>\u306f\u300c<strong>fontWeight<\/strong>\u300d\uff09\u3092\u7d99\u627f\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>BEM\u3092\u53d6\u308a\u5165\u308c\u308b<\/h3>\n<p>\u30af\u30e9\u30b9\u540d\u306e\u4e00\u8cab\u6027\u3092\u4fdd\u3064\u306b\u306f\u3001<a href=\"http:\/\/getbem.com\/naming\/\" target=\"_blank\" rel=\"noopener noreferrer\">BEM<\/a>\u3092\u53d6\u308a\u5165\u308c\u307e\u3057\u3087\u3046\u3002BEM\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u518d\u5229\u7528\u53ef\u80fd\u306a\u8981\u7d20\u306b\u5206\u5272\u3059\u308b\u69cb\u9020\u3067\u3059\u3002<\/p>\n<p>BEM\u306f\u3001Block\uff08\u30d6\u30ed\u30c3\u30af\uff09\u3001Element\uff08\u8981\u7d20\uff09\u3001Modifier\uff08\u4fee\u98fe\u8a9e\uff09\u306e\u982d\u6587\u5b57\u3092\u3068\u3063\u305f\u7565\u8a9e\u3067\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u306e\u5358\u8a9e\u306f\u4ee5\u4e0b\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong><strong>\u30d6\u30ed\u30c3\u30af<\/strong><\/strong>\u2500\u30e1\u30cb\u30e5\u30fc\u3001\u30d8\u30c3\u30c0\u30fc\u3001\u30d5\u30c3\u30bf\u30fc\u3001\u30ab\u30e9\u30e0\u306a\u3069\u3001\u30b5\u30a4\u30c8\u4e0a\u306e\u3042\u3089\u3086\u308b\u30c7\u30b6\u30a4\u30f3\u306e\u584a\u3002\u300c.main-nav\u300d\u3084\u300c.footer\u300d\u306a\u3069\u306e\u540d\u524d\u304c\u597d\u307e\u3057\u3044\u3002<\/li>\n<li><strong>\u8981\u7d20<\/strong>\u2500\u30d5\u30a9\u30f3\u30c8\u3001\u8272\u3001\u30dc\u30bf\u30f3\u3001\u4e00\u89a7\u3001\u30ea\u30f3\u30af\u306a\u3069\u3001\u5404\u30d6\u30ed\u30c3\u30af\u3092\u69cb\u6210\u3059\u308b\u8981\u7d20\u3084\u90e8\u54c1\u3002BEM\u3067\u306f\u3001\u5404\u8981\u7d20\u540d\u306e\u524d\u306b\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2\uff08 <strong>_ <\/strong>\uff09\u30922\u3064\u4ed8\u3051\u308b\u3002\u4f8b\u3048\u3070\u3001\u30b5\u30a4\u30c8\u306e\u30d8\u30c3\u30c0\u30fc\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30d5\u30a9\u30f3\u30c8\u306b\u540d\u524d\u3092\u3064\u3051\u308b\u5834\u5408\u306f\u300c<strong>.header__font<\/strong>\u300d\u3068\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u4fee\u98fe\u5b50<\/strong>\u2500\u30d5\u30a9\u30f3\u30c8\u540d\u3001\u592a\u3055\u3001\u30b5\u30a4\u30ba\u3001\u8272\u306e\u5024\u3001\u914d\u7f6e\u306e\u5024\u306a\u3069\u3001\u30d6\u30ed\u30c3\u30af\u5185\u306e\u8981\u7d20\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u8a2d\u5b9a\u3059\u308b\u3082\u306e\u3002\u4f8b\u3048\u3070\u3001\u30b5\u30a4\u30c8\u306e\u30d8\u30c3\u30c0\u30fc\u306e\u30d5\u30a9\u30f3\u30c8\u30ab\u30e9\u30fc\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306f\u3001\u8981\u7d20\u3068\u4fee\u98fe\u5b50\u3092\u30cf\u30a4\u30d5\u30f3\uff08<strong>&#8211;<\/strong>\uff092\u3064\u3067\u533a\u5207\u308a\u3001\u300c<strong>.header__font\u2013red<\/strong>\u300d\u3068\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>BEM\u3001\u3042\u308b\u3044\u306f\u30c1\u30fc\u30e0\u3067\u63a1\u7528\u3057\u305f\u5225\u306e\u547d\u540d\u898f\u5247\u306b\u5f93\u3046\u3053\u3068\u3067\u3001\u5f8c\u306e\u7de8\u96c6\u3084\u30c7\u30d0\u30c3\u30b0\u306e\u4f5c\u696d\u304c\u52b9\u7387\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>12. !important\u30bf\u30b0\u306f\u306a\u308b\u3079\u304f\u4f7f\u7528\u3057\u306a\u3044<\/h2>\n<p>!important\u30bf\u30b0\u306e\u4f7f\u3044\u3059\u304e\u306b\u3082\u6c17\u3092\u3064\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u3053\u306e\u30bf\u30b0\u306f\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3057\u3066\u304f\u308c\u308b\u512a\u308c\u3082\u306e\u3067\u3059\u304c\u3001\u305d\u308c\u3086\u3048\u306b\u591a\u7528\u3057\u3066\u3057\u307e\u3046\u50be\u5411\u3082\u3002\u30a8\u30e9\u30fc\u3092\u89e3\u6d88\u3067\u304d\u308b\u53cd\u9762\u3001\u3053\u306e\u30bf\u30b0\u306b\u4f9d\u5b58\u3059\u308b\u3053\u3068\u3067\u3001\u6700\u7d42\u7684\u306b\u30b3\u30fc\u30c9\u5168\u4f53\u306b<a href=\"https:\/\/kinsta.com\/blog\/optimize-css\/\" rel=\"noopener\"><strong>!important<\/strong>\u30bf\u30b0<\/a>\u304c\u6563\u4e71\u3057\u3001\u30b5\u30a4\u30c8\u306e\u7834\u640d\u306b\u3064\u306a\u304c\u308a\u304b\u306d\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u308c\u306b\u306f\u3001<a href=\"https:\/\/stackoverflow.com\/questions\/3706819\/what-are-the-implications-of-using-important-in-css\" target=\"_blank\" rel=\"noopener noreferrer\">\u7279\u7570\u6027<\/a>\u304c\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u3002\u30a6\u30a7\u30d6\u30d6\u30e9\u30a6\u30b6\u306f\u3001\u7279\u7570\u6027\u306e\u9ad8\u3044\u30bb\u30ec\u30af\u30bf\u3092\u512a\u5148\u3001\u3064\u307e\u308a\u3088\u308a\u91cd\u8981\u3067\u3042\u308b\u3068\u5224\u65ad\u3057\u307e\u3059\u3002!important\u30bf\u30b0\u306f\u3001\u4ed6\u3088\u308a\u3082\u91cd\u8981\u306a\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001!important\u30bf\u30b0\u3092\u8907\u6570\u4f7f\u7528\u3059\u308b\u3068\u3001\u6642\u306b\u524d\u306e\u30bf\u30b0\u304c\u4e0a\u66f8\u304d\u3055\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u591a\u7528\u3059\u308b\u3053\u3068\u3067\u30b5\u30a4\u30c8\u304c\u58ca\u308c\u305f\u308a\u3001\u30b9\u30bf\u30a4\u30eb\u304c\u6b63\u3057\u304f\u8aad\u307f\u8fbc\u307e\u308c\u306a\u304b\u3063\u305f\u308a\u3059\u308b\u3053\u3068\u3082\u3002\u3053\u306e\u30bf\u30b0\u306f\u4e00\u6642\u7684\u306a\u89e3\u6c7a\u7b56\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u304c\u3001\u7d50\u679c\u3068\u3057\u3066\u9577\u671f\u7684\u306b\u4f7f\u7528\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u3082\u591a\u3005\u3042\u308a\u3001\u7279\u306b\u30c7\u30d0\u30c3\u30b0\u6642\u306b\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>!important\u30bf\u30b0\u306e\u4f7f\u7528\u304c\u63a8\u5968\u3055\u308c\u308b\u306e\u306f\u3001\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u304c\u97f3\u58f0\u8aad\u307f\u4e0a\u3052\u30bd\u30d5\u30c8\u306a\u3069\u306e\u88dc\u52a9\u30c4\u30fc\u30eb\u7528\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u4e0a\u66f8\u304d\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u5834\u5408\u306e\u307f\u3067\u3059\u3002\u307e\u305f\u3001\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30af\u30e9\u30b9\u3092\u6271\u3046\u969b\u306b\u3082\u6709\u7528\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>13. \u30d5\u30ec\u30c3\u30af\u30b9\u30dc\u30c3\u30af\u30b9\u3092\u6d3b\u7528\u3059\u308b<\/h2>\n<p>CSS\u3092\u6271\u3046\u969b\u306b\u306f\u3001\u30d5\u30ec\u30c3\u30af\u30b9\u30dc\u30c3\u30af\u30b9\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u4f5c\u696d\u52b9\u7387\u304c\u4e0a\u304c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u30d5\u30ec\u30c3\u30af\u30b9\u30dc\u30c3\u30af\u30b9\u3068\u306f\u3001\u5f93\u6765\u306e<a href=\"https:\/\/csshell.dev\/posts\/we-dont-float-down-here-anymore\/\" target=\"_blank\" rel=\"noopener noreferrer\">float<\/a>\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u4ee3\u308f\u308b\u3082\u306e\u3067\u3001\u30da\u30fc\u30b8\u4e0a\u306e\u8981\u7d20\u3092\u67d4\u8edf\u306b\u4e26\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/css-tricks.com\/snippets\/css\/a-guide-to-flexbox\/\" target=\"_blank\" rel=\"noopener noreferrer\">CSS-Tricks<\/a>\u306f\u3001\u30d5\u30ec\u30c3\u30af\u30b9\u30dc\u30c3\u30af\u30b9\u306b\u3064\u3044\u3066\u3001\u67d4\u8edf\u306a\u30dc\u30c3\u30af\u30b9\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3042\u308a\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u3067\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u914d\u7f6e\u3084\u5206\u6563\u306b\u6c17\u3092\u3064\u3051\u306a\u304c\u3089CSS\u3092\u69cb\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u624b\u6cd5\u3068\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u756a\u306e\u7279\u5fb4\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u30b5\u30a4\u30ba\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u3001\u30b5\u30a4\u30ba\u306e\u5909\u5316\u306b\u5408\u308f\u305b\u3066\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u67d4\u8edf\u306b\u8abf\u6574\u3055\u308c\u308b\u3053\u3068\u3002\u30e2\u30d0\u30a4\u30eb\u7aef\u672b\u5bfe\u5fdc\u306e\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u306e\u4f5c\u6210\u306b\u7406\u60f3\u7684\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u3082\u30461\u3064\u306e\u5927\u304d\u306a\u5f37\u307f\u306f\u3001\u65b9\u5411\u306b\u6349\u308f\u308c\u306a\u3044\u3068\u3044\u3046\u70b9\u3002\u3064\u307e\u308a\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u5782\u76f4\u65b9\u5411\u306b\u3082\u6c34\u5e73\u65b9\u5411\u306b\u3082\u7e1b\u3089\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u753b\u9762\u306e\u5411\u304d\u304c\u5927\u304d\u304f\u5909\u5316\u3059\u308b\u8907\u96d1\u306a\u30b5\u30a4\u30c8\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8a2d\u8a08\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u6a19\u6e96\u7684\u306aCSS\u30ec\u30a4\u30a2\u30a6\u30c8\u306f\u30d6\u30ed\u30c3\u30af\u30d9\u30fc\u30b9\u3067\u3042\u308a\u3001\u4e00\u65b9\u3067\u30d5\u30ec\u30c3\u30af\u30b9\u30dc\u30c3\u30af\u30b9\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u306f\u300cflex-flow\u300d\u306e\u5024\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002CSS-Tricks\u304c\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u308f\u304b\u308a\u3084\u3059\u3044\u56f3\u3092\u63d0\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2022\/06\/flexbox.png\" alt=\"\u30d5\u30ec\u30c3\u30af\u30b9\u30dc\u30c3\u30af\u30b9\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u4ed5\u7d44\u307f\uff08\u51fa\u5178: CSS-Tricks\uff09\" width=\"900\" height=\"447\"><figcaption class=\"wp-caption-text\">\u30d5\u30ec\u30c3\u30af\u30b9\u30dc\u30c3\u30af\u30b9\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u4ed5\u7d44\u307f\uff08\u51fa\u5178: CSS-Tricks\uff09<\/figcaption><\/figure>\n<p>\u30d5\u30ec\u30c3\u30af\u30b9\u30dc\u30c3\u30af\u30b9\u5185\u306b\u3042\u308b\u8981\u7d20\u306f\u3001<strong>\u4e3b\u8ef8<\/strong>\u3068<strong>\u4ea4\u5dee\u8ef8<\/strong>\u3067\u69cb\u6210\u3055\u308c\u3001\u5404\u8981\u7d20\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u30d5\u30ec\u30c3\u30af\u30b9\u30b3\u30f3\u30c6\u30ca\u306e\u30b5\u30a4\u30ba\u306b\u5fdc\u3058\u3066\u300c\u6d41\u52d5\u7684\u306b\u52d5\u304f\u300d\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>14. WordPress\u306e\u30c6\u30fc\u30de\u30d5\u30a1\u30a4\u30eb\u306f\u76f4\u63a5\u7de8\u96c6\u3057\u306a\u3044<\/h2>\n<p>\u6700\u5f8c\u306b\u3054\u7d39\u4ecb\u3059\u308b\u306e\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-css\/\" rel=\"noopener\">WordPress\u30e6\u30fc\u30b6\u30fc<\/a>\u5411\u3051\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3067\u3059\u3002WordPress\u30c6\u30fc\u30de\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u76f4\u63a5\u7de8\u96c6\u3057\u306a\u3044\u3053\u3068\u3002\u30b5\u30a4\u30c8\u306e\u66f4\u65b0\u306b\u3088\u3063\u3066\u3001\u5909\u66f4\u5185\u5bb9\u304c\u6d88\u3048\u3066\u3057\u307e\u3063\u305f\u308a\u3001\u30b5\u30a4\u30c8\u304c\u58ca\u308c\u3066\u3057\u307e\u3063\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u3088\u3046\u306a\u30ea\u30b9\u30af\u306f\u306a\u3093\u3068\u3057\u3066\u3082\u907f\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u305d\u306e\u4ee3\u308f\u308a\u306b\u3001\u30c6\u30fc\u30de\u30ab\u30b9\u30bf\u30de\u30a4\u30b6\u30fc\u306e\u300c<strong>\u8ffd\u52a0CSS<\/strong>\u300d\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u67d4\u8edf\u306b\u7de8\u96c6\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u65b9\u6cd5\u3067\u306fCSS\u304chead\u5185\u306b\u633f\u5165\u3055\u308c\u308b\u3053\u3068\u306f\u5ff5\u982d\u306b\u7f6e\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u3057\u304b\u3057\u300c<strong>\u8ffd\u52a0CSS<\/strong>\u300d\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u8a18\u8ff0\u3057\u305f\u5185\u5bb9\u306f\u3001\u30c6\u30fc\u30de\u3084\u30b5\u30a4\u30c8\u306e\u66f4\u65b0\u3001\u307e\u305f\u306f\u30c6\u30fc\u30de\u3092\u5909\u66f4\u3057\u3066\u3082\u305d\u306e\u307e\u307e\u6b8b\u308a\u307e\u3059\u3002<\/p>\n<p>\u5927\u898f\u6a21\u306a\u7de8\u96c6\u304c\u5fc5\u8981\u306b\u306a\u3063\u305f\u5834\u5408\u306f\u3001\u5225\u9014\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3092\u4f7f\u7528\u3059\u308b\u304b\u3001\u5b50\u30c6\u30fc\u30de\u306e<strong>style.css<\/strong>\u30d5\u30a1\u30a4\u30eb\u3092\u7de8\u96c6\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3082\u3001\u66f4\u65b0\u306b\u3088\u308b\u5f71\u97ff\u3092\u53d7\u3051\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u521d\u5fc3\u8005\u306b\u3068\u3063\u3066\u306f\u3001\u6b63\u78ba\u304b\u3064\u6574\u7406\u3055\u308c\u305f\u72b6\u614b\u3067CSS\u3092\u8a18\u8ff0\u3059\u308b\u306e\u306f\u81f3\u96e3\u306e\u696d\u3002\u305d\u308c\u3067\u3082\u3001\u6700\u521d\u306e\u3046\u3061\u304b\u3089\u9762\u5012\u304f\u3055\u304c\u3089\u305a\u306b\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u5b66\u3073\u3001\u53d6\u308a\u5165\u308c\u3066\u3044\u304f\u3053\u3068\u3067\u3001\u5f8c\u3005\u767a\u751f\u3059\u308b\u3053\u3068\u306b\u306a\u308b\u624b\u9593\u3084\u982d\u75db\u306e\u7a2e\u3092\u56de\u907f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>CSS\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u96c6\u7d04\u3057\u305f\u4eca\u56de\u306e\u8a18\u4e8b\u304c\u3001\u4eca\u5f8c\u4f55\u5e74\u306b\u3082\u308f\u305f\u3063\u3066\u3001\u6a5f\u80fd\u7684\u304b\u3064<a 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