{"id":18101,"date":"2026-07-14T16:13:30","date_gmt":"2026-07-14T16:13:30","guid":{"rendered":"https:\/\/withcode.tech\/media\/?p=18101"},"modified":"2026-07-19T15:12:28","modified_gmt":"2026-07-19T15:12:28","slug":"css-box-shadow","status":"publish","type":"post","link":"https:\/\/withcode.tech\/media\/css-box-shadow\/","title":{"rendered":"\u30102026\u5e74\u7248\u3011CSS box-shadow\u306e\u4f7f\u3044\u65b9\u5b8c\u5168\u30ac\u30a4\u30c9\uff5c\u5f71\u306e\u4ed8\u3051\u65b9\u3092\u30b3\u30d4\u30da\u3067\u89e3\u8aac"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">CSS\u3067\u8981\u7d20\u306b\u5f71\u3092\u3064\u3051\u305f\u3044\u3051\u308c\u3069\u3001\u3046\u307e\u304f\u8868\u793a\u3055\u308c\u306a\u3044\u3002\u5f71\u306e\u5024\u306e\u610f\u5473\u304c\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u3002\u66f8\u3044\u3066\u307f\u305f\u3051\u3069\u4f55\u3082\u5909\u308f\u3089\u306a\u3044\u6c17\u304c\u3059\u308b\u3002\u305d\u3093\u306a\u60a9\u307f\u3092\u62b1\u3048\u3066\u3044\u308bWeb\u5236\u4f5c\u521d\u5fc3\u8005\u306e\u65b9\u306f\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002box-shadow\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u4e00\u898b\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u304c\u3001\u5024\u304c5\u3064\u4e26\u3076\u305f\u3081\u300c\u3069\u308c\u304c\u4f55\u3092\u610f\u5473\u3059\u308b\u306e\u304b\u300d\u304c\u76f4\u611f\u7684\u306b\u5206\u304b\u308a\u3065\u3089\u304f\u3001\u30b3\u30d4\u30da\u3057\u3066\u3082\u610f\u56f3\u901a\u308a\u306b\u52d5\u304b\u306a\u3044\u30b1\u30fc\u30b9\u304c\u983b\u767a\u3059\u308bCSS\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u3072\u3068\u3064\u3067\u3059\u3002\u7279\u306b\u3001\u5f71\u306e\u5024\u3092\u5909\u3048\u3066\u3082\u898b\u305f\u76ee\u304c\u5909\u308f\u3089\u306a\u3044\u3068\u304d\u306f\u7126\u308a\u307e\u3059\u3088\u306d\u3002\u539f\u56e0\u306f\u6848\u5916\u30b7\u30f3\u30d7\u30eb\u306a\u3053\u3068\u304c\u591a\u3044\u306e\u3067\u3059\u304c\u3001\u305d\u308c\u3092\u77e5\u3089\u306a\u3051\u308c\u3070\u4f55\u6642\u9593\u3082\u30cf\u30de\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u306fCSS\u521d\u5b66\u8005\u301c\u4e2d\u7d1a\u8005\u306eWeb\u5236\u4f5c\u8005\u306b\u5411\u3051\u3066\u66f8\u3044\u3066\u3044\u307e\u3059\u3002\u57fa\u672c\u69cb\u6587\u306e\u8aad\u307f\u65b9\u304b\u3089\u3001\u5185\u5074\u306e\u5f71\uff08inset\uff09\u30fb\u8907\u6570\u306e\u5f71\u306e\u91cd\u306d\u65b9\u30fb\u3075\u3093\u308f\u308a\u3057\u305f\u5f71\u306e\u30c7\u30b6\u30a4\u30f3\u5b9f\u4f8b\u3001\u3055\u3089\u306btext-shadow\u3068\u306e\u9055\u3044\u3084\u300c\u5f71\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u539f\u56e0\u3068\u5bfe\u51e6\u6cd5\u300d\u307e\u3067\u3001\u3072\u3068\u3064\u306e\u8a18\u4e8b\u3067\u7db2\u7f85\u7684\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u30b3\u30fc\u30c9\u306f\u3059\u3079\u3066\u30b3\u30d4\u30da\u3067\u4f7f\u3048\u308b\u5f62\u3067\u63b2\u8f09\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u624b\u5143\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u305d\u306e\u307e\u307e\u6301\u3063\u3066\u3044\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e00\u5ea6\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3057\u3066\u3057\u307e\u3048\u3070\u3001\u30c7\u30b6\u30a4\u30f3\u306e\u5e45\u304c\u3050\u3063\u3068\u5e83\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u6700\u5f8c\u307e\u3067\u8aad\u3081\u3070\u3001box-shadow\u3092\u81ea\u5728\u306b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u30ab\u30fc\u30c9UI\u3084\u30dc\u30bf\u30f3\u306b\u7acb\u4f53\u611f\u30fb\u5965\u884c\u304d\u611f\u3092\u4e0e\u3048\u308b\u30c7\u30b6\u30a4\u30f3\u8868\u73fe\u304c\u8eab\u306b\u3064\u304d\u307e\u3059\u3002\u30b3\u30fc\u30c9\u30921\u884c\u305a\u3064\u4e01\u5be7\u306b\u89e3\u8aac\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u4e0d\u6163\u308c\u306a\u65b9\u3082\u5b89\u5fc3\u3057\u3066\u8aad\u307f\u9032\u3081\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u308c\u3067\u306f\u9806\u756a\u306b\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u5148\u306b\u3001\u3053\u306e\u8a18\u4e8b\u306e\u7d50\u8ad6\u3092\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n\n<ul class=\"wp-block-list\">\n<li>box-shadow\u306f\u300c\u6c34\u5e73\u30aa\u30d5\u30bb\u30c3\u30c8\u30fb\u5782\u76f4\u30aa\u30d5\u30bb\u30c3\u30c8\u30fb\u307c\u304b\u3057\u534a\u5f84\u30fb\u5e83\u304c\u308a\u534a\u5f84\u30fb\u8272\u300d\u306e5\u5024\u3067\u6307\u5b9a\u3057\u3001\u30ab\u30f3\u30de\u533a\u5207\u308a\u3067\u8907\u6570\u306e\u5f71\u3092\u91cd\u306d\u3089\u308c\u308b<\/li>\n<li>inset\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u5148\u982d\u306b\u4ed8\u3051\u308b\u3068\u5f71\u304c\u8981\u7d20\u306e\u5185\u5074\u306b\u5165\u308a\u8fbc\u307f\u3001\u300c\u3078\u3053\u3093\u3060\u300d\u8868\u73fe\u304c\u4f5c\u308c\u308b<\/li>\n<li>\u8907\u6570\u306e\u5f71\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u5358\u4f53\u3067\u306f\u51fa\u305b\u306a\u3044\u30ea\u30a2\u30eb\u306a\u7acb\u4f53\u611f\u30fb\u30cd\u30aa\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u8868\u73fe\u304c\u53ef\u80fd\u306b\u306a\u308b<\/li>\n<li>text-shadow\u306f\u6587\u5b57\u5c02\u7528\u30fbbox-shadow\u306f\u8981\u7d20\u30dc\u30c3\u30af\u30b9\u5c02\u7528\u3068\u5f79\u5272\u304c\u660e\u78ba\u306b\u5206\u304b\u308c\u3066\u3044\u308b<\/li>\n<li>\u5f71\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u539f\u56e0\u306foverflow:hidden\u30fbz-index\u30fbclip-path\u30fb\u900f\u660e\u5ea6\u306e\u8a2d\u5b9a\u30df\u30b9\u306a\u3069\u8907\u6570\u3042\u308a\u3001\u9806\u756a\u306b\u78ba\u8a8d\u3059\u308c\u3070\u5fc5\u305a\u89e3\u6c7a\u3067\u304d\u308b<\/li>\n<\/ul>\n\n\n<h2 class=\"wp-block-heading\">box-shadow\u306e\u57fa\u672c\u69cb\u6587\uff5c5\u3064\u306e\u5024\u3092\u5b8c\u5168\u7406\u89e3\u3059\u308b<\/h2>\n\n\n<p class=\"wp-block-paragraph\">box-shadow\u306e\u57fa\u672c\u69cb\u6587\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002\u5024\u306e\u4e26\u3073\u9806\u3092\u6b63\u3057\u304f\u899a\u3048\u308b\u3053\u3068\u304c\u3001\u3059\u3079\u3066\u306e\u51fa\u767a\u70b9\u306b\u306a\u308a\u307e\u3059\u3002\u6163\u308c\u306a\u3044\u3046\u3061\u306f\u300c\u6a2a\u30fb\u7e26\u30fb\u307c\u304b\u3057\u30fb\u5e83\u304c\u308a\u30fb\u8272\u300d\u3068\u3044\u3046\u9806\u756a\u3067\u899a\u3048\u308b\u3068\u9593\u9055\u3048\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>selector {\n  box-shadow: [\u6c34\u5e73\u30aa\u30d5\u30bb\u30c3\u30c8] [\u5782\u76f4\u30aa\u30d5\u30bb\u30c3\u30c8] [\u307c\u304b\u3057\u534a\u5f84] [\u5e83\u304c\u308a\u534a\u5f84] [\u8272];\n}<\/code><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u5177\u4f53\u7684\u306a\u30b3\u30fc\u30c9\u3067\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.card {\n  box-shadow: 4px 8px 16px 0px rgba(0, 0, 0, 0.2);\n}<\/code><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b3\u30fc\u30c9\u304c\u610f\u5473\u3059\u308b\u306e\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002\u5404\u5024\u306e\u5f79\u5272\u3092\u3072\u3068\u3064\u305a\u3064\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5024<\/th><th>\u3053\u306e\u4f8b<\/th><th>\u610f\u5473<\/th><\/tr><\/thead><tbody><tr><td>\u6c34\u5e73\u30aa\u30d5\u30bb\u30c3\u30c8\uff08offset-x\uff09<\/td><td>4px<\/td><td>\u5f71\u3092\u53f3\u65b9\u5411\u30784px\u305a\u3089\u3059\uff08\u30de\u30a4\u30ca\u30b9\u306a\u3089\u5de6\uff09<\/td><\/tr><tr><td>\u5782\u76f4\u30aa\u30d5\u30bb\u30c3\u30c8\uff08offset-y\uff09<\/td><td>8px<\/td><td>\u5f71\u3092\u4e0b\u65b9\u5411\u30788px\u305a\u3089\u3059\uff08\u30de\u30a4\u30ca\u30b9\u306a\u3089\u4e0a\uff09<\/td><\/tr><tr><td>\u307c\u304b\u3057\u534a\u5f84\uff08blur-radius\uff09<\/td><td>16px<\/td><td>\u5f71\u306e\u30a8\u30c3\u30b8\u3092\u307c\u304b\u3059\u534a\u5f84\u30020\u3060\u3068\u304f\u3063\u304d\u308a<\/td><\/tr><tr><td>\u5e83\u304c\u308a\u534a\u5f84\uff08spread-radius\uff09<\/td><td>0px<\/td><td>\u5f71\u306e\u30b5\u30a4\u30ba\u3092\u62e1\u5927\u30fb\u7e2e\u5c0f\u3059\u308b\u3002\u7701\u7565\u53ef\uff08\u7701\u7565\u6642\u306f0\uff09<\/td><\/tr><tr><td>\u8272\uff08color\uff09<\/td><td>rgba(0,0,0,0.2)<\/td><td>\u5f71\u306e\u8272\u3002rgba\u30fbhex\u30fbhsl\u306a\u3069\u3059\u3079\u3066\u4f7f\u3048\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<p class=\"wp-block-paragraph\">\u306a\u304a\u3001\u5e83\u304c\u308a\u534a\u5f84\uff08spread-radius\uff09\u306f\u7701\u7565\u3067\u304d\u307e\u3059\u3002\u7701\u7565\u3057\u305f\u5834\u5408\u306f 0px \u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u8272\u3082\u7701\u7565\u3067\u304d\u3001\u305d\u306e\u5834\u5408\u306f\u30c6\u30ad\u30b9\u30c8\u30ab\u30e9\u30fc\uff08color \u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u5024\uff09\u304c\u4f7f\u308f\u308c\u307e\u3059\u3002\u5b9f\u52d9\u3067\u306f\u5fc5\u305a\u8272\u3092\u660e\u793a\u3059\u308b\u306e\u304c\u7121\u96e3\u3067\u3059\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">\u6c34\u5e73\u30fb\u5782\u76f4\u30aa\u30d5\u30bb\u30c3\u30c8\u306e\u7b26\u53f7\u3067\u65b9\u5411\u304c\u6c7a\u307e\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\">offset-x \u304c\u6b63\u306e\u5024\u306a\u3089\u5f71\u306f\u53f3\u3001\u8ca0\u306a\u3089\u5de6\u306b\u52d5\u304d\u307e\u3059\u3002offset-y \u304c\u6b63\u306a\u3089\u4e0b\u3001\u8ca0\u306a\u3089\u4e0a\u3067\u3059\u3002\u3069\u3061\u3089\u3082 0 \u306b\u3059\u308b\u3068\u5f71\u306f\u8981\u7d20\u306e\u771f\u4e0b\u306b\u843d\u3061\u3001\u5168\u65b9\u5411\u5747\u7b49\u306a\u5f71\u306b\u306a\u308a\u307e\u3059\u3002\u5b9f\u969b\u306e\u5149\u6e90\u306e\u4f4d\u7f6e\u3092\u30a4\u30e1\u30fc\u30b8\u3057\u306a\u304c\u3089\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u81ea\u7136\u306a\u30c7\u30b6\u30a4\u30f3\u306b\u306a\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u300c\u5de6\u4e0a\u304b\u3089\u5149\u304c\u5f53\u305f\u3063\u3066\u3044\u308b\u300d\u3068\u3044\u3046\u8a2d\u5b9a\u3092\u3059\u308b\u306a\u3089\u3001offset-x \u3068 offset-y \u3092\u3068\u3082\u306b\u6b63\u306e\u5024\u306b\u3057\u307e\u3059\uff08\u5149\u6e90\u304c\u5de6\u4e0a\u306a\u3089\u5f71\u306f\u53f3\u4e0b\u306b\u843d\u3061\u308b\uff09\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u53f3\u4e0b\u306b\u843d\u3061\u308b\u57fa\u672c\u7684\u306a\u5f71 *\/\n.shadow-right-bottom {\n  box-shadow: 4px 4px 8px rgba(0, 0, 0, 0.25);\n}\n\n\/* \u771f\u4e0b\u306b\u843d\u3061\u308b\u5747\u7b49\u306a\u5f71\uff08\u30ab\u30fc\u30c9UI\u5411\u3051\uff09 *\/\n.shadow-center {\n  box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.15);\n}\n\n\/* \u4e0a\u65b9\u5411\u306b\u843d\u3061\u308b\u5f71\uff08\u30d5\u30c3\u30bf\u30fc\u4ed8\u8fd1\u306e\u8981\u7d20\u306b\u4f7f\u3046\uff09 *\/\n.shadow-top {\n  box-shadow: 0px -4px 10px rgba(0, 0, 0, 0.2);\n}\n\n\/* \u5de6\u53f3\u5bfe\u79f0\u306e\u5f71\uff08\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u30e2\u30fc\u30c0\u30eb\u306a\u3069\uff09 *\/\n.shadow-symmetric {\n  box-shadow: 0px 8px 24px rgba(0, 0, 0, 0.15);\n}<\/code><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">Web\u5236\u4f5c\u306e\u73fe\u5834\u3067\u306f\u3001offset-x \u3092 0 \u306b\u3057\u3066 offset-y \u3060\u3051\u306b\u5024\u3092\u5165\u308c\u308b\u30d1\u30bf\u30fc\u30f3\uff08\u771f\u4e0b\u843d\u3061\u306e\u5f71\uff09\u304c\u6700\u3082\u3088\u304f\u4f7f\u308f\u308c\u307e\u3059\u3002\u30ab\u30fc\u30c9\u3084\u30dc\u30bf\u30f3\u306a\u3069\u3001\u5730\u9762\u304b\u3089\u6d6e\u3044\u3066\u3044\u308b\u3088\u3046\u306a\u8868\u73fe\u306b\u81ea\u7136\u306b\u30de\u30c3\u30c1\u3059\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">\u307c\u304b\u3057\u534a\u5f84\uff08blur-radius\uff09\u306e\u52b9\u679c<\/h3>\n\n<p class=\"wp-block-paragraph\">blur-radius \u306f 0 \u4ee5\u4e0a\u306e\u5024\u3057\u304b\u6307\u5b9a\u3067\u304d\u307e\u305b\u3093\uff08\u30de\u30a4\u30ca\u30b9\u306b\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\uff09\u30020 \u306b\u3059\u308b\u3068\u5f71\u306e\u7e01\u304c\u30b7\u30e3\u30fc\u30d7\u306b\u306a\u308a\u3001\u304f\u3063\u304d\u308a\u3068\u3057\u305f\u8f2a\u90ed\u306e\u5f71\u306b\u306a\u308a\u307e\u3059\u3002\u5024\u3092\u5927\u304d\u304f\u3059\u308b\u307b\u3069\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u304c\u5e83\u304c\u308a\u3001\u3075\u3093\u308f\u308a\u3057\u305f\u67d4\u3089\u304b\u3044\u5f71\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n<p class=\"wp-block-paragraph\">\u91cd\u8981\u306a\u306e\u306f\u300c\u307c\u304b\u3057\u534a\u5f84\u3092\u5927\u304d\u304f\u3057\u3066\u3082\u5f71\u306e\u9762\u7a4d\u306f\u5e83\u304c\u3089\u306a\u3044\u300d\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u5f71\u306e\u30b5\u30a4\u30ba\u3092\u5909\u3048\u305f\u3044\u3068\u304d\u306f spread-radius \u3092\u4f7f\u3044\u307e\u3059\u3002blur-radius \u306f\u3042\u304f\u307e\u3067\u300c\u30a8\u30c3\u30b8\u306e\u3084\u308f\u3089\u304b\u3055\u300d\u3060\u3051\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002\u3053\u306e2\u3064\u3092\u6df7\u540c\u3057\u3066\u3044\u308b\u30b1\u30fc\u30b9\u304c\u591a\u3044\u306e\u3067\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u304f\u3063\u304d\u308a\u3057\u305f\u5f71\uff08blur=0\uff09\u3002\u5370\u5237\u7269\u306e\u3088\u3046\u306a\u786c\u3044\u8868\u73fe *\/\n.sharp-shadow {\n  box-shadow: 4px 4px 0px rgba(0, 0, 0, 0.4);\n}\n\n\/* \u3084\u3084\u67d4\u3089\u304b\u3044\u5f71\u3002\u4e00\u822c\u7684\u306a\u30ab\u30fc\u30c9UI\u306b\u5411\u304f *\/\n.soft-shadow {\n  box-shadow: 4px 4px 12px rgba(0, 0, 0, 0.25);\n}\n\n\/* \u975e\u5e38\u306b\u3075\u3093\u308f\u308a\u3057\u305f\u5f71\u3002\u30e2\u30c0\u30f3\u306aUI\u30c7\u30b6\u30a4\u30f3\u306b\u591a\u3044 *\/\n.fluffy-shadow {\n  box-shadow: 0px 8px 40px rgba(0, 0, 0, 0.12);\n}\n\n\/* \u307c\u304b\u3057\u304c\u5927\u304d\u3044\u3068\u5f71\u304c\u8584\u304f\u5e83\u304c\u308b\u3002\u900f\u660e\u5ea6\u3092\u5c11\u3057\u4e0a\u3052\u308b\u3068\u25ce *\/\n.wide-blur {\n  box-shadow: 0px 4px 60px rgba(0, 0, 0, 0.18);\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u5e83\u304c\u308a\u534a\u5f84\uff08spread-radius\uff09\u3067\u30b5\u30a4\u30ba\u3092\u8abf\u6574\u3059\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\">spread-radius \u306f\u5f71\u5168\u4f53\u3092\u5747\u7b49\u306b\u62e1\u5927\u30fb\u7e2e\u5c0f\u3057\u307e\u3059\u3002\u6b63\u306e\u5024\u3067\u5f71\u304c\u5927\u304d\u304f\u306a\u308a\u3001\u8ca0\u306e\u5024\u3067\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u5024\u3092 -1\u301c-4px \u7a0b\u5ea6\u306e\u30de\u30a4\u30ca\u30b9\u306b\u3057\u3066\u307c\u304b\u3057\u534a\u5f84\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001\u5f71\u304c\u8981\u7d20\u306e\u3059\u3050\u4e0b\u304b\u3089\u81ea\u7136\u306b\u5e83\u304c\u308b\u3088\u3046\u306b\u898b\u3048\u3001\u3088\u308a\u5199\u5b9f\u7684\u306a\u5f71\u306e\u8868\u73fe\u304c\u3067\u304d\u307e\u3059\u3002\u30c7\u30b6\u30a4\u30f3\u30c4\u30fc\u30eb\uff08Figma\u3084Adobe XD\u306a\u3069\uff09\u3067\u51fa\u529b\u3057\u305fCSS\u5024\u306b\u30de\u30a4\u30ca\u30b9\u306espread-radius\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u306e\u3092\u898b\u305f\u3053\u3068\u304c\u3042\u308b\u65b9\u3082\u591a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u5e83\u304c\u308a\u3092\u5927\u304d\u304f\u3057\u3066\u30d5\u30c1\u5168\u4f53\u306b\u5f71\u3092\u51fa\u3059 *\/\n.wide-shadow {\n  box-shadow: 0px 4px 16px 8px rgba(0, 0, 0, 0.15);\n}\n\n\/* spread\u3092\u30de\u30a4\u30ca\u30b9\u306b\u3057\u3066\u3088\u308a\u30ea\u30a2\u30eb\u306a\u5f71\u306b *\/\n.realistic-shadow {\n  box-shadow: 0px 8px 24px -4px rgba(0, 0, 0, 0.2);\n}\n\n\/* border\u306e\u4ee3\u308f\u308a\u306bbox-shadow\u3092\u4f7f\u3046\uff08\u30ec\u30a4\u30a2\u30a6\u30c8\u306b\u5f71\u97ff\u3057\u306a\u3044\uff09 *\/\n.border-like {\n  box-shadow: 0px 0px 0px 2px #d16176;\n}\n\n\/* \u30db\u30d0\u30fc\u6642\u306bborder\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3082\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u305a\u308c\u306a\u3044\u6280 *\/\n.btn-no-layout-shift {\n  box-shadow: 0px 0px 0px 0px transparent;\n  transition: box-shadow 0.2s ease;\n}\n.btn-no-layout-shift:hover {\n  box-shadow: 0px 0px 0px 2px #d16176;\n}<\/code><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u6700\u5f8c\u306e2\u4f8b\u306e\u3088\u3046\u306b\u3001spread-radius \u3060\u3051\u4f7f\u3063\u3066 offset \u3092 0\u30fbblur \u3092 0 \u306b\u3059\u308b\u3068\u3001border \u306e\u3088\u3046\u306a\u67a0\u7dda\u4ee3\u308f\u308a\u306b\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002border \u3068\u306f\u7570\u306a\u308a\u3001box-shadow \u306f\u8981\u7d20\u306e\u30b5\u30a4\u30ba\u306b\u5f71\u97ff\u3057\u306a\u3044\u305f\u3081\u3001\u30db\u30d0\u30fc\u6642\u306e\u30dc\u30fc\u30c0\u30fc\u8ffd\u52a0\u306b\u3088\u308b\u30ec\u30a4\u30a2\u30a6\u30c8\u30ba\u30ec\u3092\u9632\u3050\u30c6\u30af\u30cb\u30c3\u30af\u3068\u3057\u3066\u3082\u3088\u304f\u4f7f\u308f\u308c\u307e\u3059\u3002\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u5d29\u308c\u308b\u554f\u984c\u306b\u60a9\u3093\u3067\u3044\u305f\u65b9\u306b\u306f\u7279\u306b\u6709\u7528\u3067\u3059\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">box-shadow\u3067\u4f7f\u3048\u308b\u8272\u306e\u6307\u5b9a\u65b9\u6cd5<\/h3>\n\n<p class=\"wp-block-paragraph\">box-shadow \u306e\u8272\u306f CSS \u3067\u4f7f\u3048\u308b\u307b\u307c\u3059\u3079\u3066\u306e\u8272\u8a18\u6cd5\u304c\u4f7f\u3048\u307e\u3059\u3002\u4e00\u756a\u3088\u304f\u4f7f\u3046\u306e\u306f rgba() \u3067\u3001\u7b2c4\u5f15\u6570\uff08\u30a2\u30eb\u30d5\u30a1\u5024\uff09\u3067\u900f\u660e\u5ea6\u3092\u8abf\u6574\u3067\u304d\u308b\u305f\u3081\u3001\u80cc\u666f\u8272\u306b\u6eb6\u3051\u8fbc\u3080\u81ea\u7136\u306a\u5f71\u304c\u4f5c\u308c\u307e\u3059\u3002hex \u30ab\u30e9\u30fc\u306f\u900f\u660e\u5ea6\u304c\u6307\u5b9a\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u5f71\u304c\u304f\u3063\u304d\u308a\u51fa\u3059\u304e\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u8a18\u6cd5<\/th><th>\u4f8b<\/th><th>\u7279\u5fb4<\/th><\/tr><\/thead><tbody><tr><td>rgba()<\/td><td>rgba(0, 0, 0, 0.2)<\/td><td>\u900f\u660e\u5ea6\u6307\u5b9a\u53ef\u3002\u6700\u3082\u3088\u304f\u4f7f\u3046<\/td><\/tr><tr><td>hsla()<\/td><td>hsla(0, 0%, 0%, 0.2)<\/td><td>\u8272\u76f8\u30fb\u5f69\u5ea6\u30fb\u660e\u5ea6\u3067\u6307\u5b9a\u3002\u611f\u899a\u7684\u306b\u8abf\u6574\u3057\u3084\u3059\u3044<\/td><\/tr><tr><td>hex\uff086\u6841\uff09<\/td><td>#333333<\/td><td>\u900f\u660e\u5ea6\u306a\u3057\u3002\u5f71\u304c\u304f\u3063\u304d\u308a\u51fa\u308b<\/td><\/tr><tr><td>hex\uff088\u6841\uff09<\/td><td>#33333333<\/td><td>\u6700\u5f8c\u306e2\u6841\u304c\u900f\u660e\u5ea6\u3002\u6bd4\u8f03\u7684\u65b0\u3057\u3044\u8a18\u6cd5<\/td><\/tr><tr><td>\u30ad\u30fc\u30ef\u30fc\u30c9<\/td><td>transparent \/ black<\/td><td>\u5f71\u3092\u6d88\u3059\uff08transition\u7528\uff09\u306a\u3069\u306b\u4f7f\u3046<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<h2 class=\"wp-block-heading\">\u5185\u5074\u306b\u5f71\u3092\u3064\u3051\u308b\uff5cinset\u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n<p class=\"wp-block-paragraph\">box-shadow \u306e\u5148\u982d\u306b inset \u3092\u52a0\u3048\u308b\u3068\u3001\u5f71\u304c\u8981\u7d20\u306e\u5916\u5074\u3067\u306f\u306a\u304f\u5185\u5074\u306b\u63cf\u753b\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u8981\u7d20\u304c\u300c\u3078\u3053\u3093\u3067\u3044\u308b\u300d\u3088\u3046\u306a\u8868\u73fe\u3084\u3001\u5165\u529b\u30d5\u30a9\u30fc\u30e0\u306e\u30d5\u30a9\u30fc\u30ab\u30b9\u6642\u306b\u5185\u5074\u304b\u3089\u5149\u308b\u30a8\u30d5\u30a7\u30af\u30c8\u304c\u4f5c\u308c\u307e\u3059\u3002inset \u306f\u5024\u306e\u6700\u521d\u306b\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u9014\u4e2d\u306b\u66f8\u3044\u3066\u3082\u30a8\u30e9\u30fc\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u304c\u3001\u4ed5\u69d8\u4e0a\u306f\u5148\u982d\u306b\u7f6e\u304f\u306e\u304c\u6b63\u3057\u3044\u8a18\u8ff0\u3067\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u57fa\u672c\u306einset\uff08\u5185\u5074\u306e\u5f71\uff09 *\/\n.inset-basic {\n  box-shadow: inset 0px 4px 8px rgba(0, 0, 0, 0.2);\n}\n\n\/* \u4e0a\u304b\u3089\u3078\u3053\u3093\u3067\u3044\u308b\u3088\u3046\u306a\u8868\u73fe *\/\n.inset-pressed {\n  box-shadow: inset 0px 6px 12px rgba(0, 0, 0, 0.25);\n}\n\n\/* \u4e0b\u304b\u3089\u5149\u304c\u5f53\u305f\u3063\u3066\u3044\u308b\u3088\u3046\u306a\u8868\u73fe\uff08\u767d\u3044\u5185\u5074\u306e\u5149\uff09 *\/\n.inset-light {\n  box-shadow: inset 0px -4px 8px rgba(255, 255, 255, 0.5);\n}\n\n\/* \u5168\u65b9\u5411\u304b\u3089\u5185\u5074\u306b\u5f71\uff08\u304f\u307c\u3093\u3060\u30b3\u30f3\u30c6\u30ca\uff09 *\/\n.inset-all {\n  box-shadow: inset 0px 0px 16px rgba(0, 0, 0, 0.15);\n}<\/code><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">inset \u306e offset-x\u30fboffset-y \u306e\u65b9\u5411\u306f\u901a\u5e38\u306e box-shadow \u3068\u540c\u3058\u8003\u3048\u65b9\u3067\u3059\u3002\u305f\u3060\u3057\u5f71\u304c\u5185\u5074\u306b\u53cd\u8ee2\u3059\u308b\u305f\u3081\u3001offset-y \u304c\u6b63\u306a\u3089\u5185\u5074\u306e\u4e0a\u90e8\u306b\u5f71\u304c\u843d\u3061\u307e\u3059\uff08\u5916\u5074\u306e\u5834\u5408\u306f\u4e0b\u90e8\u306b\u5f71\u304c\u843d\u3061\u308b\uff09\u3002\u6700\u521d\u306f\u6df7\u4e71\u3057\u3084\u3059\u3044\u306e\u3067\u3001\u5b9f\u969b\u306b\u30d6\u30e9\u30a6\u30b6\u306e\u958b\u767a\u30c4\u30fc\u30eb\u3067\u5024\u3092\u5909\u3048\u306a\u304c\u3089\u611f\u899a\u3092\u3064\u304b\u3080\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">\u30d5\u30a9\u30fc\u30e0\u306e\u5165\u529b\u6b04\u306binset\u3092\u4f7f\u3046<\/h3>\n\n<p class=\"wp-block-paragraph\">\u30c6\u30ad\u30b9\u30c8\u30dc\u30c3\u30af\u30b9\u3084\u30c6\u30ad\u30b9\u30c8\u30a8\u30ea\u30a2\u306binset\u3092\u4f7f\u3046\u3068\u3001\u5165\u529b\u6b04\u304c\u5b9f\u969b\u306b\u3078\u3053\u3093\u3067\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u308bUI\u304c\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u304c\u300c\u3053\u3053\u306b\u6587\u5b57\u304c\u5165\u529b\u3067\u304d\u308b\u300d\u3068\u76f4\u611f\u7684\u306b\u5206\u304b\u308b\u30c7\u30b6\u30a4\u30f3\u306b\u306a\u308a\u307e\u3059\u3002\u30d5\u30a9\u30fc\u30ab\u30b9\u6642\u306b\u8272\u3092\u5909\u3048\u308b\u3068\u3001\u73fe\u5728\u3069\u306e\u5165\u529b\u6b04\u306b\u30ab\u30fc\u30bd\u30eb\u304c\u3042\u308b\u304b\u3092\u8996\u899a\u7684\u306b\u793a\u3059\u3053\u3068\u3082\u3067\u304d\u3001\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306e\u5411\u4e0a\u306b\u3082\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>input[type=\"text\"],\ninput[type=\"email\"],\ntextarea {\n  border: 1px solid #ccc;\n  border-radius: 6px;\n  padding: 10px 14px;\n  font-size: 16px;\n  box-shadow: inset 0px 2px 6px rgba(0, 0, 0, 0.08);\n  outline: none;\n  transition: box-shadow 0.3s ease, border-color 0.3s ease;\n}\n\ninput[type=\"text\"]:focus,\ninput[type=\"email\"]:focus,\ntextarea:focus {\n  box-shadow:\n    inset 0px 2px 6px rgba(0, 0, 0, 0.08),\n    0px 0px 0px 3px rgba(209, 97, 118, 0.3);\n  border-color: #d16176;\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u30dc\u30bf\u30f3\u306e\u62bc\u3057\u8fbc\u307f\u30a8\u30d5\u30a7\u30af\u30c8\u306binset\u3092\u4f7f\u3046<\/h3>\n\n<p class=\"wp-block-paragraph\">\u30dc\u30bf\u30f3\u306eactive\u72b6\u614b\u306binset\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001\u30af\u30ea\u30c3\u30af\u6642\u306b\u300c\u62bc\u3057\u8fbc\u3093\u3060\u300d\u611f\u89e6\u3092\u8996\u899a\u7684\u306b\u8868\u73fe\u3067\u304d\u307e\u3059\u3002\u7269\u7406\u7684\u306a\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u305f\u611f\u899a\u306b\u8fd1\u3044UX\u4f53\u9a13\u3092\u63d0\u4f9b\u3067\u304d\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u300c\u30af\u30ea\u30c3\u30af\u3067\u304d\u305f\u300d\u3068\u78ba\u8a8d\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002offset-y\u3092\u6b63\u306b\u3057\u3066\u4e0a\u304b\u3089\u5f71\u3092\u843d\u3068\u3059\u306e\u304c\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002\u3055\u3089\u306b transform: translateY() \u3067\u8981\u7d20\u81ea\u4f53\u3092\u5c11\u3057\u4e0b\u306b\u52d5\u304b\u3059\u3053\u3068\u3067\u30ea\u30a2\u30ea\u30c6\u30a3\u304c\u5897\u3057\u307e\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.btn-press {\n  display: inline-block;\n  padding: 12px 28px;\n  background: #d16176;\n  color: #fff;\n  font-weight: bold;\n  border: none;\n  border-radius: 8px;\n  cursor: pointer;\n  box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.25);\n  transition: box-shadow 0.1s ease, transform 0.1s ease;\n}\n\n.btn-press:hover {\n  box-shadow: 0px 6px 14px rgba(0, 0, 0, 0.3);\n}\n\n.btn-press:active {\n  box-shadow: inset 0px 3px 6px rgba(0, 0, 0, 0.3);\n  transform: translateY(2px);\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">inset\u3092\u4f7f\u3063\u305f\u304f\u307c\u307f\u30ab\u30fc\u30c9\u30c7\u30b6\u30a4\u30f3<\/h3>\n\n<p class=\"wp-block-paragraph\">\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u56f2\u3080\u30b3\u30f3\u30c6\u30ca\u306b\u5185\u5074\u306e\u5f71\u3092\u4ed8\u3051\u308b\u3068\u3001\u80cc\u666f\u306b\u57cb\u307e\u3063\u305f\u3088\u3046\u306a\u300c\u30c8\u30ec\u30a4\u300d\u3084\u300c\u304f\u307c\u3093\u3060\u30d1\u30cd\u30eb\u300d\u306e\u8868\u73fe\u304c\u3067\u304d\u307e\u3059\u3002\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9UI\u3084\u30b5\u30a4\u30c9\u30d1\u30cd\u30eb\u306b\u3088\u304f\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u304f\u307c\u3093\u3060\u30c8\u30ec\u30a4\u578b\u30b3\u30f3\u30c6\u30ca *\/\n.tray {\n  background: #f5f5f5;\n  border-radius: 12px;\n  padding: 24px;\n  box-shadow:\n    inset 0px 2px 8px rgba(0, 0, 0, 0.12),\n    inset 0px -1px 4px rgba(255, 255, 255, 0.6);\n}\n\n\/* \u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u5411\u3051\u306e\u304f\u307c\u307f *\/\n.tray-dark {\n  background: #1a1a2e;\n  border-radius: 12px;\n  padding: 24px;\n  box-shadow:\n    inset 0px 2px 8px rgba(0, 0, 0, 0.5),\n    inset 0px -1px 4px rgba(255, 255, 255, 0.05);\n}<\/code><\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u8907\u6570\u306e\u5f71\u3092\u91cd\u306d\u3066\u30ea\u30a2\u30eb\u306a\u7acb\u4f53\u611f\u3092\u51fa\u3059<\/h2>\n\n\n<p class=\"wp-block-paragraph\">box-shadow \u306f\u30ab\u30f3\u30de\u533a\u5207\u308a\u3067\u8907\u6570\u306e\u5f71\u3092\u540c\u6642\u306b\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3092\u6d3b\u7528\u3059\u308b\u3068\u3001\u5358\u4e00\u306e\u5f71\u3067\u306f\u8868\u73fe\u3067\u304d\u306a\u3044\u30ea\u30a2\u30eb\u306a\u7acb\u4f53\u611f\u30fb\u8cea\u611f\u3092\u751f\u307f\u51fa\u305b\u307e\u3059\u3002\u5f71\u306f\u5de6\u306b\u66f8\u3044\u305f\u3082\u306e\u307b\u3069\u624b\u524d\u306b\u63cf\u753b\u3055\u308c\u307e\u3059\u3002\u5b9f\u969b\u306ePhotoshop\u306e\u30ec\u30a4\u30e4\u30fc\u30b7\u30e3\u30c9\u30a6\u6a5f\u80fd\u3068\u540c\u3058\u3088\u3046\u306a\u8003\u3048\u65b9\u3067\u3059\u3002\u306a\u305c\u8907\u6570\u306e\u5f71\u3092\u91cd\u306d\u308b\u306e\u304b\u3068\u3044\u3046\u3068\u3001\u73fe\u5b9f\u4e16\u754c\u3067\u306f\u5149\u304c\u6563\u4e71\u3059\u308b\u305f\u3081\u300c\u3072\u3068\u3064\u306e\u5747\u4e00\u306a\u5f71\u300d\u306f\u751f\u3058\u306a\u3044\u304b\u3089\u3067\u3059\u3002\u8fd1\u8ddd\u96e2\u3067\u306f\u6fc3\u304f\u30b7\u30e3\u30fc\u30d7\u306a\u5f71\u304c\u3001\u9060\u8ddd\u96e2\u3067\u306f\u8584\u304f\u5e83\u3044\u5f71\u304c\u91cd\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u73fe\u8c61\u3092CSS\u3067\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3059\u308b\u306e\u304c\u300c\u8907\u6570\u30b7\u30e3\u30c9\u30a6\u300d\u306e\u767a\u60f3\u3067\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* 2\u5c64\u306e\u5f71\u3067\u7acb\u4f53\u611f\u3092\u51fa\u3059\uff08\u3088\u304f\u4f7f\u308f\u308c\u308b\u30d1\u30bf\u30fc\u30f3\uff09 *\/\n.card-multi {\n  box-shadow:\n    0px 2px 4px rgba(0, 0, 0, 0.12),\n    0px 8px 24px rgba(0, 0, 0, 0.1);\n}\n\n\/* 3\u5c64\u306e\u5f71\u3067\u3055\u3089\u306b\u30ea\u30c3\u30c1\u306a\u8868\u73fe *\/\n.card-rich {\n  box-shadow:\n    0px 1px 2px rgba(0, 0, 0, 0.08),\n    0px 4px 8px rgba(0, 0, 0, 0.1),\n    0px 16px 32px rgba(0, 0, 0, 0.08);\n}\n\n\/* Material Design\u98a8\u306e\u5f71\uff08Google\u304c\u4f7f\u3046\u30d1\u30bf\u30fc\u30f3\uff09 *\/\n.card-material {\n  box-shadow:\n    0px 3px 1px -2px rgba(0, 0, 0, 0.2),\n    0px 2px 2px 0px rgba(0, 0, 0, 0.14),\n    0px 1px 5px 0px rgba(0, 0, 0, 0.12);\n}\n\n\/* \u30db\u30d0\u30fc\u6642\u306b\u5f71\u304c\u5f37\u304f\u306a\u308bMaterial Design elevation *\/\n.card-material:hover {\n  box-shadow:\n    0px 5px 5px -3px rgba(0, 0, 0, 0.2),\n    0px 8px 10px 1px rgba(0, 0, 0, 0.14),\n    0px 3px 14px 2px rgba(0, 0, 0, 0.12);\n  transition: box-shadow 0.3s ease;\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u30cd\u30aa\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u30c7\u30b6\u30a4\u30f3\u3092\u8907\u6570shadow\u3067\u5b9f\u73fe\u3059\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\">\u30cd\u30aa\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\uff08Neumorphism\uff09\u306f2020\u5e74\u524d\u5f8c\u306b\u6d41\u884c\u3057\u305f\u30c7\u30b6\u30a4\u30f3\u30b9\u30bf\u30a4\u30eb\u3067\u3001\u8981\u7d20\u304c\u80cc\u666f\u3068\u540c\u3058\u7d20\u6750\u3067\u3067\u304d\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u308b\u8868\u73fe\u3067\u3059\u3002\u660e\u308b\u3044\u5f71\u3068\u6697\u3044\u5f71\u3092\u540c\u6642\u306b\u4f7f\u3046\u306e\u304c\u7279\u5fb4\u3067\u3001box-shadow\u306e\u8907\u6570\u6307\u5b9a\u306a\u3057\u306b\u306f\u6210\u7acb\u3057\u307e\u305b\u3093\u3002\u306a\u304a\u3001\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\u304c\u4f4e\u304f\u306a\u308a\u304c\u3061\u306a\u305f\u3081\u3001\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3078\u306e\u914d\u616e\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u30cd\u30aa\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u30fb\u6d6e\u304d\u51fa\u3066\u3044\u308b\u72b6\u614b *\/\n.neumorphism {\n  background: #f0f0f0;\n  border-radius: 16px;\n  padding: 24px;\n  box-shadow:\n    6px 6px 12px rgba(0, 0, 0, 0.15),\n    -6px -6px 12px rgba(255, 255, 255, 0.8);\n}\n\n\/* \u30cd\u30aa\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u30fb\u51f9\u3093\u3067\u3044\u308b\u72b6\u614b *\/\n.neumorphism-inset {\n  background: #f0f0f0;\n  border-radius: 16px;\n  padding: 24px;\n  box-shadow:\n    inset 4px 4px 8px rgba(0, 0, 0, 0.15),\n    inset -4px -4px 8px rgba(255, 255, 255, 0.8);\n}\n\n\/* \u30cd\u30aa\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u30fb\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u7248 *\/\n.neumorphism-dark {\n  background: #1a1a2e;\n  border-radius: 16px;\n  padding: 24px;\n  box-shadow:\n    6px 6px 12px rgba(0, 0, 0, 0.5),\n    -6px -6px 12px rgba(255, 255, 255, 0.05);\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u30ab\u30e9\u30fc\u306e\u5f71\u3092\u8907\u6570\u91cd\u306d\u3066\u30b0\u30ed\u30fc\u52b9\u679c\u3092\u4f5c\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\">\u5f71\u306e\u8272\u306f\u5fc5\u305a\u3057\u3082\u9ed2\u7cfb\u306b\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30d6\u30e9\u30f3\u30c9\u30ab\u30e9\u30fc\u3084\u30d3\u30d3\u30c3\u30c9\u306a\u8272\u3092\u4f7f\u3063\u305f\u5f71\u306f\u3001\u73fe\u4ee3\u7684\u306a\u30c7\u30b6\u30a4\u30f3\u30c8\u30ec\u30f3\u30c9\u306e\u3072\u3068\u3064\u3067\u3059\u3002\u8907\u6570\u306e\u30ab\u30e9\u30fc\u5f71\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001\u30b0\u30ed\u30fc\uff08\u5149\u5f69\uff09\u52b9\u679c\u3082\u4f5c\u308c\u307e\u3059\u3002\u30b2\u30fc\u30e0UI\u30fb\u30af\u30ea\u30a8\u30a4\u30c6\u30a3\u30d6\u7cfb\u30b5\u30a4\u30c8\u30fb\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u306eUI\u3067\u7279\u306b\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u30d4\u30f3\u30af\u7cfb\u30b0\u30ed\u30fc *\/\n.glow-pink {\n  box-shadow:\n    0px 0px 8px rgba(209, 97, 118, 0.4),\n    0px 0px 24px rgba(209, 97, 118, 0.2),\n    0px 0px 48px rgba(209, 97, 118, 0.1);\n}\n\n\/* \u30de\u30eb\u30c1\u30ab\u30e9\u30fc\u306e\u5f71\uff08\u30dd\u30c3\u30d7\u306a\u30c7\u30b6\u30a4\u30f3\u5411\u3051\uff09 *\/\n.multi-color-shadow {\n  box-shadow:\n    -6px 6px 0px #EFBDB7,\n     6px -6px 0px #d16176;\n}\n\n\/* Stripe\u98a8\u306e\u6df1\u307f\u3042\u308b\u9752\u3044\u5f71 *\/\n.card-stripe {\n  box-shadow:\n    0px 4px 6px rgba(50, 50, 93, 0.11),\n    0px 1px 3px rgba(0, 0, 0, 0.08);\n}\n\n\/* \u30b4\u30fc\u30eb\u30c9\u306e\u30b0\u30ed\u30fc\uff08\u30d7\u30ec\u30df\u30a2\u30e0\u611f\uff09 *\/\n.gold-glow {\n  box-shadow:\n    0px 0px 8px rgba(255, 193, 7, 0.5),\n    0px 0px 24px rgba(255, 193, 7, 0.25),\n    0px 4px 16px rgba(0, 0, 0, 0.2);\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u5916\u5074\u3068\u5185\u5074\u306e\u5f71\u3092\u540c\u6642\u306b\u6307\u5b9a\u3059\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\">inset \u306e\u5f71\u3068\u901a\u5e38\u306e\u5916\u5074\u306e\u5f71\u306f\u3001\u30ab\u30f3\u30de\u3067\u533a\u5207\u308b\u3053\u3068\u3067\u540c\u6642\u306b\u9069\u7528\u3067\u304d\u307e\u3059\u3002\u30db\u30d0\u30fc\u6642\u306e\u30a8\u30d5\u30a7\u30af\u30c8\u3068\u3057\u3066\u5916\u5074\u306e\u5f71\u3092\u8ffd\u52a0\u3057\u306a\u304c\u3089\u5185\u5074\u306e\u5149\u3092\u5165\u308c\u308b\u3001\u3068\u3044\u3063\u305f\u8907\u5408\u7684\u306a\u8868\u73fe\u304c\u53ef\u80fd\u3067\u3059\u3002\u30ac\u30e9\u30b9\u8cea\u611f\uff08glassmorphism\uff09\u306e\u8868\u73fe\u306b\u3082\u6d3b\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.card-combined {\n  box-shadow:\n    0px 4px 16px rgba(0, 0, 0, 0.12),          \/* \u5916\u5074\u306e\u5f71 *\/\n    inset 0px 1px 2px rgba(255, 255, 255, 0.6); \/* \u5185\u5074\u306e\u4e0a\u90e8\u306b\u5149 *\/\n}\n\n.card-combined:hover {\n  box-shadow:\n    0px 12px 32px rgba(0, 0, 0, 0.18),\n    inset 0px 1px 2px rgba(255, 255, 255, 0.6);\n  transition: box-shadow 0.3s ease;\n}\n\n\/* \u30ac\u30e9\u30b9\u98a8\u30ab\u30fc\u30c9\uff08glassmorphism\uff09 *\/\n.glass-card {\n  background: rgba(255, 255, 255, 0.15);\n  backdrop-filter: blur(12px);\n  border-radius: 16px;\n  border: 1px solid rgba(255, 255, 255, 0.2);\n  box-shadow:\n    0px 8px 32px rgba(0, 0, 0, 0.2),\n    inset 0px 1px 0px rgba(255, 255, 255, 0.4);\n}<\/code><\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u3075\u3093\u308f\u308a\u6d6e\u304d\u4e0a\u304c\u308b\u5f71\u306e\u5b9f\u4f8b\u96c6\uff5c\u30ab\u30fc\u30c9\u30fb\u30dc\u30bf\u30f3\u306e\u30b3\u30d4\u30da\u30b3\u30fc\u30c9<\/h2>\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u306e\u5236\u4f5c\u73fe\u5834\u3067\u3088\u304f\u4f7f\u308f\u308c\u308b\u5f71\u30d1\u30bf\u30fc\u30f3\u3092\u3001\u30ab\u30fc\u30c9\u3068\u30dc\u30bf\u30f3\u306b\u5206\u3051\u3066\u307e\u3068\u3081\u307e\u3059\u3002\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u610f\u5473\u304c\u5206\u304b\u308c\u3070\u3001\u8272\u3084\u6570\u5024\u3092\u81ea\u5206\u306e\u30c7\u30b6\u30a4\u30f3\u306b\u5408\u308f\u305b\u3066\u5909\u3048\u308b\u3060\u3051\u3067\u4f7f\u3048\u307e\u3059\u3002\u3069\u308c\u3082\u3059\u3050\u306b\u4f7f\u3048\u308b\u30b3\u30d4\u30da\u7528\u30b3\u30fc\u30c9\u3068\u3057\u3066\u63b2\u8f09\u3057\u3066\u3044\u307e\u3059\u3002\u80cc\u666f\u8272\u30fb\u8981\u7d20\u306e\u8272\u30fb\u5f71\u306e\u8272\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u5909\u3048\u308b\u3060\u3051\u3067\u3001\u81ea\u5206\u306e\u30d6\u30e9\u30f3\u30c9\u306b\u5408\u3063\u305f\u30c7\u30b6\u30a4\u30f3\u304c\u4f5c\u308c\u307e\u3059\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">\u30ab\u30fc\u30c9UI\u306e\u5f71\u30d1\u30bf\u30fc\u30f35\u9078<\/h3>\n\n<p class=\"wp-block-paragraph\">\u30ab\u30fc\u30c9\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u4f7f\u3046\u5f71\u306f\u3001\u30da\u30fc\u30b8\u306e\u80cc\u666f\u8272\u3068\u8981\u7d20\u306e\u80cc\u666f\u8272\u306e\u95a2\u4fc2\u306b\u3088\u3063\u3066\u898b\u3048\u65b9\u304c\u5927\u304d\u304f\u5909\u308f\u308a\u307e\u3059\u3002\u767d\u80cc\u666f\u306e\u5834\u5408\u306f\u8584\u3044\u9ed2\u306e rgba \u304c\u6700\u3082\u81ea\u7136\u306a\u5370\u8c61\u306b\u306a\u308a\u307e\u3059\u3002\u5f71\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u30c7\u30b6\u30a4\u30f3\u306e\u96f0\u56f2\u6c17\u306b\u5408\u308f\u305b\u3066\u9078\u3073\u307e\u3057\u3087\u3046\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u2500\u2500 \u30d1\u30bf\u30fc\u30f31: \u8efd\u304f\u3066\u4e0a\u54c1\u306a\u30ab\u30fc\u30c9 \u2500\u2500 *\/\n.card-light {\n  background: #fff;\n  border-radius: 12px;\n  padding: 24px;\n  box-shadow: 0px 2px 12px rgba(0, 0, 0, 0.08);\n}\n\n\/* \u2500\u2500 \u30d1\u30bf\u30fc\u30f32: \u3075\u3093\u308f\u308a\u6d6e\u3044\u3066\u3044\u308b\u30ab\u30fc\u30c9 \u2500\u2500 *\/\n.card-float {\n  background: #fff;\n  border-radius: 16px;\n  padding: 24px;\n  box-shadow: 0px 8px 32px rgba(0, 0, 0, 0.1);\n}\n\n\/* \u2500\u2500 \u30d1\u30bf\u30fc\u30f33: \u30db\u30d0\u30fc\u3067\u6d6e\u304d\u4e0a\u304c\u308b\u30ab\u30fc\u30c9 \u2500\u2500 *\/\n.card-hover {\n  background: #fff;\n  border-radius: 12px;\n  padding: 24px;\n  box-shadow: 0px 2px 8px rgba(0, 0, 0, 0.08);\n  transition: box-shadow 0.3s ease, transform 0.3s ease;\n}\n.card-hover:hover {\n  box-shadow: 0px 12px 32px rgba(0, 0, 0, 0.15);\n  transform: translateY(-4px);\n}\n\n\/* \u2500\u2500 \u30d1\u30bf\u30fc\u30f34: \u30d6\u30e9\u30f3\u30c9\u30ab\u30e9\u30fc\u306e\u5f71\u304c\u3064\u3044\u305f\u30ab\u30fc\u30c9 \u2500\u2500 *\/\n.card-brand {\n  background: #fff;\n  border-radius: 12px;\n  padding: 24px;\n  box-shadow:\n    0px 4px 16px rgba(209, 97, 118, 0.2),\n    0px 1px 4px rgba(209, 97, 118, 0.1);\n}\n\n\/* \u2500\u2500 \u30d1\u30bf\u30fc\u30f35: \u30c0\u30fc\u30af\u30ab\u30fc\u30c9 \u2500\u2500 *\/\n.card-dark {\n  background: #2c2c3e;\n  border-radius: 16px;\n  padding: 24px;\n  color: #fff;\n  box-shadow:\n    0px 8px 24px rgba(0, 0, 0, 0.4),\n    0px 2px 6px rgba(0, 0, 0, 0.3);\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u30dc\u30bf\u30f3\u306e\u5f71\u30d1\u30bf\u30fc\u30f34\u9078<\/h3>\n\n<p class=\"wp-block-paragraph\">\u30dc\u30bf\u30f3\u306b\u5f71\u3092\u3064\u3051\u308b\u3068\u3001\u30af\u30ea\u30c3\u30af\u3067\u304d\u308b\u8981\u7d20\u3067\u3042\u308b\u3053\u3068\u3092\u30e6\u30fc\u30b6\u30fc\u306b\u8996\u899a\u7684\u306b\u4f1d\u3048\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002active \u72b6\u614b\u3067\u5f71\u3092\u6d88\u3057\u305f\u308a\u7e2e\u5c0f\u3059\u308b\u3068\u3001\u62bc\u3057\u8fbc\u307f\u611f\u304c\u751f\u307e\u308c\u3066UX\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002transition \u3092\u5fd8\u308c\u305a\u306b\u6307\u5b9a\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u2500\u2500 \u30d1\u30bf\u30fc\u30f31: \u30b7\u30f3\u30d7\u30eb\u306a\u30b7\u30e3\u30c9\u30a6\u30dc\u30bf\u30f3 \u2500\u2500 *\/\n.btn-simple {\n  display: inline-block;\n  padding: 12px 32px;\n  background: #d16176;\n  color: #fff;\n  font-weight: bold;\n  border: none;\n  border-radius: 8px;\n  cursor: pointer;\n  box-shadow: 0px 4px 12px rgba(209, 97, 118, 0.45);\n  transition: box-shadow 0.2s ease, transform 0.2s ease;\n}\n.btn-simple:hover {\n  box-shadow: 0px 6px 20px rgba(209, 97, 118, 0.55);\n  transform: translateY(-2px);\n}\n.btn-simple:active {\n  box-shadow: 0px 2px 6px rgba(209, 97, 118, 0.3);\n  transform: translateY(0);\n}\n\n\/* \u2500\u2500 \u30d1\u30bf\u30fc\u30f32: \u30d5\u30e9\u30c3\u30c8\u306a3D\u98a8\u30dc\u30bf\u30f3 \u2500\u2500 *\/\n.btn-flat-3d {\n  display: inline-block;\n  padding: 12px 32px;\n  background: #d16176;\n  color: #fff;\n  font-weight: bold;\n  border: none;\n  border-radius: 8px;\n  cursor: pointer;\n  box-shadow: 0px 6px 0px #9e3950;\n  transition: box-shadow 0.1s ease, transform 0.1s ease;\n}\n.btn-flat-3d:active {\n  box-shadow: 0px 2px 0px #9e3950;\n  transform: translateY(4px);\n}\n\n\/* \u2500\u2500 \u30d1\u30bf\u30fc\u30f33: \u30b0\u30ed\u30fc\u52b9\u679c\u306e\u3042\u308b\u30cd\u30aa\u30f3\u98a8\u30dc\u30bf\u30f3 \u2500\u2500 *\/\n.btn-glow {\n  display: inline-block;\n  padding: 12px 32px;\n  background: #d16176;\n  color: #fff;\n  font-weight: bold;\n  border: none;\n  border-radius: 8px;\n  cursor: pointer;\n  box-shadow:\n    0px 0px 8px rgba(209, 97, 118, 0.5),\n    0px 0px 24px rgba(209, 97, 118, 0.3);\n  transition: box-shadow 0.3s ease;\n}\n.btn-glow:hover {\n  box-shadow:\n    0px 0px 12px rgba(209, 97, 118, 0.8),\n    0px 0px 40px rgba(209, 97, 118, 0.4);\n}\n\n\/* \u2500\u2500 \u30d1\u30bf\u30fc\u30f34: \u30b7\u30e3\u30c9\u30a6\u306a\u3057\u30a2\u30a6\u30c8\u30e9\u30a4\u30f3 \u2192 \u30db\u30d0\u30fc\u3067\u30b7\u30e3\u30c9\u30a6\u51fa\u73fe \u2500\u2500 *\/\n.btn-outline-shadow {\n  display: inline-block;\n  padding: 12px 32px;\n  background: transparent;\n  color: #d16176;\n  font-weight: bold;\n  border: 2px solid #d16176;\n  border-radius: 8px;\n  cursor: pointer;\n  box-shadow: none;\n  transition: box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;\n}\n.btn-outline-shadow:hover {\n  background: #d16176;\n  color: #fff;\n  box-shadow: 0px 4px 16px rgba(209, 97, 118, 0.4);\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">transition\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u6ed1\u3089\u304b\u306b\u5909\u5316\u3055\u305b\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\">box-shadow \u306f CSS transition \u3067\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u53ef\u80fd\u3067\u3059\u3002hover \u3084 focus \u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u5f71\u3092\u5909\u3048\u308b\u969b\u306f\u3001\u5fc5\u305a transition \u3092\u89aa\u5074\uff08\u901a\u5e38\u72b6\u614b\uff09\u306e\u30bb\u30ec\u30af\u30bf\u306b\u66f8\u304f\u306e\u304c\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002hover \u5074\u306b\u66f8\u3044\u3066\u3057\u307e\u3046\u3068\u3001hover \u3092\u5916\u3057\u305f\u3068\u304d\u306b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u305b\u305a\u3001\u5510\u7a81\u306b\u5f71\u304c\u6d88\u3048\u3066\u3057\u307e\u3044\u307e\u3059\u3002transition \u306e timing-function \u306f ease \u3084 cubic-bezier \u3092\u4f7f\u3046\u3068\u81ea\u7136\u306a\u52d5\u304d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.animated-card {\n  background: #fff;\n  border-radius: 12px;\n  padding: 24px;\n  \/* transition\u306f\u901a\u5e38\u72b6\u614b\u306e\u30bb\u30ec\u30af\u30bf\u306b\u66f8\u304f *\/\n  box-shadow: 0px 2px 8px rgba(0, 0, 0, 0.08);\n  transition:\n    box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),\n    transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);\n}\n\n.animated-card:hover {\n  box-shadow: 0px 16px 40px rgba(0, 0, 0, 0.16);\n  transform: translateY(-6px);\n}<\/code><\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">text-shadow\uff08\u6587\u5b57\u306e\u5f71\uff09\u3068\u306e\u9055\u3044\u3068\u4f7f\u3044\u65b9<\/h2>\n\n\n<p class=\"wp-block-paragraph\">CSS\u306b\u306f\u5f71\u306b\u95a2\u3059\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u304c2\u3064\u3042\u308a\u307e\u3059\u3002box-shadow \u3068 text-shadow \u3067\u3059\u3002\u540d\u524d\u304c\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u9069\u7528\u5bfe\u8c61\u30fb\u5024\u306e\u69cb\u6210\u30fb\u7528\u9014\u304c\u307e\u3063\u305f\u304f\u7570\u306a\u308a\u307e\u3059\u3002\u6df7\u540c\u3057\u3066\u4f7f\u3063\u3066\u3057\u307e\u3046\u3068\u610f\u56f3\u901a\u308a\u306e\u7d50\u679c\u304c\u5f97\u3089\u308c\u306a\u3044\u305f\u3081\u3001\u9055\u3044\u3092\u3057\u3063\u304b\u308a\u7406\u89e3\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u9805\u76ee<\/th><th>box-shadow<\/th><th>text-shadow<\/th><\/tr><\/thead><tbody><tr><td>\u9069\u7528\u5bfe\u8c61<\/td><td>\u8981\u7d20\u30dc\u30c3\u30af\u30b9\u5168\u4f53\uff08div\u30fbsection\u30fbbutton\u306a\u3069\uff09<\/td><td>\u30c6\u30ad\u30b9\u30c8\u6587\u5b57\u3060\u3051<\/td><\/tr><tr><td>inset\u30ad\u30fc\u30ef\u30fc\u30c9<\/td><td>\u4f7f\u3048\u308b<\/td><td>\u4f7f\u3048\u306a\u3044<\/td><\/tr><tr><td>\u5e83\u304c\u308a\u534a\u5f84\uff08spread\uff09<\/td><td>4\u756a\u76ee\u306e\u5024\u3068\u3057\u3066\u6307\u5b9a\u53ef<\/td><td>\u306a\u3057\uff08\u6700\u59273\u5024\u306e\u307f\uff09<\/td><\/tr><tr><td>\u8907\u6570\u6307\u5b9a<\/td><td>\u30ab\u30f3\u30de\u533a\u5207\u308a\u3067\u53ef<\/td><td>\u30ab\u30f3\u30de\u533a\u5207\u308a\u3067\u53ef<\/td><\/tr><tr><td>\u4e3b\u306a\u7528\u9014<\/td><td>\u30ab\u30fc\u30c9\u30fb\u30dc\u30bf\u30f3\u30fbUI\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5168\u822c<\/td><td>\u898b\u51fa\u3057\u306e\u88c5\u98fe\u30fb\u8aad\u307f\u3084\u3059\u3055\u306e\u5411\u4e0a<\/td><\/tr><tr><td>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/td><td>\u3084\u3084\u91cd\u3044\uff08repaint\u767a\u751f\uff09<\/td><td>\u540c\u69d8\u306brepaint\u767a\u751f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<h3 class=\"wp-block-heading\">text-shadow\u306e\u57fa\u672c\u69cb\u6587<\/h3>\n\n<p class=\"wp-block-paragraph\">text-shadow \u306f\u300c\u6c34\u5e73\u30aa\u30d5\u30bb\u30c3\u30c8\u30fb\u5782\u76f4\u30aa\u30d5\u30bb\u30c3\u30c8\u30fb\u307c\u304b\u3057\u534a\u5f84\u30fb\u8272\u300d\u306e3\u301c4\u5024\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002box-shadow \u3068\u9055\u3046\u306e\u306f\u3001spread\uff08\u5e83\u304c\u308a\u534a\u5f84\uff09\u304c\u5b58\u5728\u3057\u306a\u3044\u70b9\u3067\u3059\u3002\u307e\u305f\u3001inset \u3082\u4f7f\u3048\u307e\u305b\u3093\u3002\u6587\u5b57\u304c\u8aad\u307f\u3084\u3059\u304f\u306a\u308b\u3088\u3046\u306b\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u76ee\u7684\u3067\u4f7f\u3046\u306e\u304c\u57fa\u672c\u3067\u3042\u308a\u3001\u6d3e\u624b\u306b\u3057\u3059\u304e\u308b\u3068\u9006\u306b\u8aad\u307f\u306b\u304f\u304f\u306a\u308b\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u57fa\u672c\u306etext-shadow *\/\n.heading-shadow {\n  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);\n}\n\n\/* \u304f\u3063\u304d\u308a\u3057\u305f\u6587\u5b57\u306e\u5f71 *\/\n.heading-sharp {\n  text-shadow: 3px 3px 0px rgba(0, 0, 0, 0.4);\n}\n\n\/* \u767d\u3044\u6587\u5b57\u306b\u9ed2\u306e\u5f71\u3067\u8996\u8a8d\u6027\u3092\u4e0a\u3052\u308b\uff08\u30d2\u30fc\u30ed\u30fc\u30bb\u30af\u30b7\u30e7\u30f3\u306a\u3069\uff09 *\/\n.hero-text {\n  color: #fff;\n  text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.6);\n}\n\n\/* \u307c\u304b\u3057\u3092\u5927\u304d\u304f\u3057\u305f\u3084\u308f\u3089\u304b\u3044\u5f71 *\/\n.heading-soft {\n  text-shadow: 0px 4px 12px rgba(0, 0, 0, 0.2);\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">text-shadow\u3092\u8907\u6570\u91cd\u306d\u3066\u9762\u767d\u3044\u8868\u73fe\u3092\u3059\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\">text-shadow \u3082 box-shadow \u3068\u540c\u69d8\u306b\u30ab\u30f3\u30de\u533a\u5207\u308a\u3067\u8907\u6570\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u30a2\u30a6\u30c8\u30e9\u30a4\u30f3\uff08\u6587\u5b57\u306e\u7e01\u53d6\u308a\uff09\u30fb3D\u6587\u5b57\u30fb\u30b0\u30ed\u30fc\u52b9\u679c\u306a\u3069\u304c\u4f5c\u308c\u307e\u3059\u3002border-stroke\u306e\u3088\u3046\u306a\u6587\u5b57\u306e\u7e01\u53d6\u308a\u306f -webkit-text-stroke \u3067\u3082\u5b9f\u73fe\u3067\u304d\u307e\u3059\u304c\u3001text-shadow \u306e\u8907\u6570\u6307\u5b9a\u3067\u3082\u8fd1\u3044\u8868\u73fe\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u56db\u65b9\u306b\u30a2\u30a6\u30c8\u30e9\u30a4\u30f3\u3092\u51fa\u3059\uff08\u7e01\u53d6\u308a\u6587\u5b57\uff09 *\/\n.text-outline {\n  color: #fff;\n  text-shadow:\n    -1px -1px 0 #d16176,\n     1px -1px 0 #d16176,\n    -1px  1px 0 #d16176,\n     1px  1px 0 #d16176;\n}\n\n\/* 3D\u6587\u5b57\uff08\u6bb5\u968e\u7684\u306b\u305a\u3089\u3057\u3066\u7acb\u4f53\u611f\u3092\u51fa\u3059\uff09 *\/\n.text-3d {\n  color: #fff;\n  text-shadow:\n    1px 1px 0 #b04d62,\n    2px 2px 0 #9e3950,\n    3px 3px 0 #8c2a3e,\n    4px 4px 0 #7a1b2c;\n}\n\n\/* \u30b0\u30ed\u30fc\u6587\u5b57\uff08\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u30fb\u30b2\u30fc\u30e0UI\u5411\u3051\uff09 *\/\n.text-glow {\n  color: #fff;\n  text-shadow:\n    0px 0px 8px rgba(209, 97, 118, 0.8),\n    0px 0px 24px rgba(209, 97, 118, 0.5),\n    0px 0px 48px rgba(209, 97, 118, 0.3);\n}\n\n\/* \u9577\u3044\u5f71\uff08\u30d5\u30e9\u30c3\u30c8\u30c7\u30b6\u30a4\u30f3\u306e\u30a2\u30af\u30bb\u30f3\u30c8\uff09 *\/\n.text-long-shadow {\n  color: #d16176;\n  text-shadow:\n    1px 1px 0 #EFBDB7,\n    2px 2px 0 #EFBDB7,\n    3px 3px 0 #EFBDB7,\n    4px 4px 0 #EFBDB7,\n    5px 5px 0 #EFBDB7;\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">box-shadow\u3068text-shadow\u3092\u4f7f\u3044\u5206\u3051\u308b\u5224\u65ad\u57fa\u6e96<\/h3>\n\n<p class=\"wp-block-paragraph\">\u3069\u3061\u3089\u3092\u4f7f\u3046\u304b\u306e\u5224\u65ad\u306f\u660e\u78ba\u3067\u3059\u3002\u30ab\u30fc\u30c9\u3084\u30dc\u30bf\u30f3\u306a\u3069\u300c\u30dc\u30c3\u30af\u30b9\u5f62\u72b6\u306e\u8981\u7d20\u5168\u4f53\u300d\u306b\u5f71\u3092\u3064\u3051\u305f\u3044\u306a\u3089 box-shadow \u3092\u4f7f\u3044\u307e\u3059\u3002\u898b\u51fa\u3057\u3084\u6bb5\u843d\u30c6\u30ad\u30b9\u30c8\u306a\u3069\u300c\u6587\u5b57\u305d\u306e\u3082\u306e\u306b\u5f71\u3092\u3064\u3051\u305f\u3044\u300d\u5834\u5408\u306f text-shadow \u3092\u4f7f\u3044\u307e\u3059\u3002\u9593\u9055\u3048\u3066\u3082\u898b\u305f\u76ee\u304c\u58ca\u308c\u308b\u3060\u3051\u3067\u30a8\u30e9\u30fc\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u304c\u3001\u60f3\u5b9a\u5916\u306e\u8868\u793a\u306b\u306a\u308b\u306e\u3067\u6c17\u3092\u3064\u3051\u307e\u3057\u3087\u3046\u3002\u4f8b\u3048\u3070 text-shadow \u3092\u30dc\u30c3\u30af\u30b9\u8981\u7d20\u306b\u4f7f\u3063\u3066\u3082\u6587\u5b57\u306b\u3057\u304b\u5f71\u304c\u4ed8\u304b\u305a\u3001\u8981\u7d20\u306b\u5f71\u304c\u3064\u304f\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\">box-shadow\u304c\u52b9\u304b\u306a\u3044\u30fb\u8868\u793a\u3055\u308c\u306a\u3044\u539f\u56e0\u3068\u5bfe\u51e6<\/h2>\n\n\n<p class=\"wp-block-paragraph\">box-shadow\u3092\u6b63\u3057\u304f\u66f8\u3044\u305f\u3064\u3082\u308a\u306a\u306e\u306b\u5f71\u304c\u898b\u3048\u306a\u3044\u3001\u3042\u308b\u3044\u306f\u4e00\u90e8\u3057\u304b\u898b\u3048\u306a\u3044\u3068\u3044\u3046\u30c8\u30e9\u30d6\u30eb\u306f\u983b\u7e41\u306b\u8d77\u3053\u308a\u307e\u3059\u3002\u539f\u56e0\u306f\u5927\u304d\u304f5\u3064\u306b\u7d5e\u3089\u308c\u308b\u306e\u3067\u3001\u9806\u756a\u306b\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u5fc5\u305a\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002\u307e\u305a\u30d6\u30e9\u30a6\u30b6\u306e\u958b\u767a\u8005\u30c4\u30fc\u30eb\u3067\u305d\u306e\u8981\u7d20\u306e computed \u30b9\u30bf\u30a4\u30eb\u3092\u78ba\u8a8d\u3057\u3001box-shadow \u306e\u5024\u304c\u6b63\u3057\u304f\u9069\u7528\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u304b\u3081\u307e\u3057\u3087\u3046\u3002\u5024\u304c\u6b63\u3057\u304f\u5165\u3063\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u898b\u3048\u306a\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u539f\u56e0\u3092\u9806\u756a\u306b\u6f70\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">\u539f\u56e01: \u89aa\u8981\u7d20\u306boverflow:hidden\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\">\u6700\u3082\u591a\u3044\u30b1\u30fc\u30b9\u3067\u3059\u3002box-shadow\u306f\u8981\u7d20\u306e\u30dc\u30c3\u30af\u30b9\u5916\u5074\u306b\u63cf\u753b\u3055\u308c\u308b\u305f\u3081\u3001\u89aa\u8981\u7d20\u306b overflow: hidden \u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3068\u3001\u306f\u307f\u51fa\u3057\u305f\u5f71\u304c\u30af\u30ea\u30c3\u30d4\u30f3\u30b0\u3055\u308c\u3066\u898b\u3048\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u7279\u306b border-radius \u3092\u89d2\u4e38\u3067\u4f7f\u3063\u3066\u3044\u308b\u3068\u304d\u306b overflow: hidden \u3092\u4e00\u7dd2\u306b\u6307\u5b9a\u3057\u3066\u3044\u308b\u30b1\u30fc\u30b9\u304c\u591a\u304f\u3001\u3053\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u843d\u3068\u3057\u7a74\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* NG: \u89aa\u306eoverflow\u304c\u5f71\u3092\u6d88\u3057\u3066\u3044\u308b *\/\n.parent {\n  overflow: hidden; \/* \u3053\u308c\u304c\u5f71\u3092\u5207\u308b *\/\n  border-radius: 12px;\n}\n.child {\n  box-shadow: 0px 8px 24px rgba(0, 0, 0, 0.2); \/* \u898b\u3048\u306a\u3044 *\/\n}\n\n\/* OK: overflow: hidden\u3092\u5916\u3059 *\/\n.parent-fix1 {\n  overflow: visible; \/* \u307e\u305f\u306f\u524a\u9664 *\/\n  border-radius: 12px;\n}\n\n\/* OK: \u5f71\u3092\u89aa\u8981\u7d20\u81ea\u4f53\u306b\u4ed8\u3051\u308b *\/\n.parent-fix2 {\n  overflow: hidden;\n  border-radius: 12px;\n  box-shadow: 0px 8px 24px rgba(0, 0, 0, 0.2); \/* \u89aa\u306b\u4ed8\u3051\u308b *\/\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u539f\u56e02: z-index\u3068stacking context\u306e\u554f\u984c<\/h3>\n\n<p class=\"wp-block-paragraph\">\u5f71\u304c\u5225\u306e\u8981\u7d20\u306e\u4e0b\u306b\u96a0\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001z-index\u306e\u91cd\u306a\u308a\u9806\u304c\u539f\u56e0\u3067\u3059\u3002box-shadow \u306f\u8981\u7d20\u3068\u540c\u3058\u91cd\u306a\u308a\u968e\u5c64\u306b\u63cf\u753b\u3055\u308c\u308b\u305f\u3081\u3001\u4e0a\u306b\u5225\u306e\u8981\u7d20\u304c\u4e57\u3063\u3066\u3044\u308b\u3068\u96a0\u308c\u307e\u3059\u3002\u307e\u305f\u3001z-index \u3092\u6307\u5b9a\u3059\u308b\u306b\u306f position \u304c static \u4ee5\u5916\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff08relative \/ absolute \/ fixed \/ sticky \u306e\u3044\u305a\u308c\u304b\uff09\u3002position \u3092\u6307\u5b9a\u3057\u3066\u3044\u306a\u3044\u3068 z-index \u304c\u52b9\u304b\u306a\u3044\u3068\u3044\u3046\u70b9\u3082\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u5f71\u304c\u898b\u3048\u306a\u3044\u5834\u5408\u306fz-index\u3068position\u3092\u78ba\u8a8d *\/\n.card-with-shadow {\n  position: relative; \/* position\u6307\u5b9a\u304c\u306a\u3044\u3068z-index\u304c\u52b9\u304b\u306a\u3044 *\/\n  z-index: 1;\n  box-shadow: 0px 8px 24px rgba(0, 0, 0, 0.2);\n}\n\n\/* \u4e0a\u306b\u4e57\u3063\u3066\u3044\u308b\u8981\u7d20\u306ez-index\u3092\u4e0b\u3052\u308b *\/\n.overlay-element {\n  position: relative;\n  z-index: 0; \/* card-with-shadow\u3088\u308a\u4f4e\u3044\u5024\u306b\u3059\u308b *\/\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u539f\u56e03: \u80cc\u666f\u8272\u3068\u5f71\u306e\u8272\u304c\u540c\u3058\u30fb\u900f\u660e\u5ea6\u304c\u9ad8\u3059\u304e\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\">\u5f71\u306e\u8272\u306b rgba(0,0,0,0.02) \u306e\u3088\u3046\u306a\u975e\u5e38\u306b\u4f4e\u3044\u900f\u660e\u5ea6\u3092\u4f7f\u3063\u3066\u3044\u308b\u3068\u3001\u76ee\u8996\u3067\u306f\u898b\u3048\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u8981\u7d20\u3068\u80cc\u666f\u306e\u8272\u304c\u540c\u3058\u304b\u975e\u5e38\u306b\u8fd1\u3044\u5834\u5408\u3082\u5f71\u306f\u898b\u3048\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002\u900f\u660e\u5ea6\u3092 0.15\u301c0.25 \u7a0b\u5ea6\u306b\u4e0a\u3052\u3066\u8a66\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u9006\u306b\u3001\u5f71\u304c\u300c\u306a\u3093\u304b\u898b\u3048\u3066\u306f\u3044\u308b\u3051\u3069\u5f31\u3044\u300d\u3068\u611f\u3058\u308b\u3068\u304d\u3082\u3001\u900f\u660e\u5ea6\u3092\u4e0a\u3052\u308b\u304b blur \u3092\u4e0b\u3052\u308b\u304b spread \u3092\u4e0a\u3052\u308b\u3053\u3068\u3067\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* NG: \u900f\u660e\u5ea6\u304c\u4f4e\u3059\u304e\u3066\u898b\u3048\u306a\u3044 *\/\n.invisible-shadow {\n  box-shadow: 0px 8px 24px rgba(0, 0, 0, 0.02);\n}\n\n\/* OK: \u900f\u660e\u5ea6\u3092\u4e0a\u3052\u308b *\/\n.visible-shadow {\n  box-shadow: 0px 8px 24px rgba(0, 0, 0, 0.18);\n}\n\n\/* \u767d\u80cc\u666f\u306b\u767d\u80cc\u666f\u306e\u8981\u7d20\u3067\u306f\u5f71\u304c\u76ee\u7acb\u3061\u306b\u304f\u3044 \u2192 \u8981\u7d20\u306e\u80cc\u666f\u8272\u3092\u5909\u3048\u308b\u304b\u5f71\u306e\u8272\u3092\u5909\u3048\u308b *\/\n.on-white-bg {\n  background: #fff;\n  \/* \u9ed2\u3067\u306f\u306a\u304f\u30b0\u30ec\u30fc\u3067\u5f71\u3092\u3064\u3051\u308b\u3068\u8996\u8a8d\u3057\u3084\u3059\u3044 *\/\n  box-shadow: 0px 4px 16px rgba(100, 100, 100, 0.25);\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u539f\u56e04: clip-path\u3092\u4f7f\u3063\u3066\u3044\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\">clip-path \u3092\u8981\u7d20\u306b\u9069\u7528\u3059\u308b\u3068\u3001overflow: hidden \u3068\u540c\u69d8\u306b\u8981\u7d20\u306e\u5916\u306b\u3042\u308b\u5f71\u304c\u30af\u30ea\u30c3\u30d4\u30f3\u30b0\u3055\u308c\u307e\u3059\u3002clip-path \u3068 box-shadow \u3092\u540c\u6642\u306b\u4f7f\u3046\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u4ee3\u308f\u308a\u306b filter: drop-shadow() \u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f7f\u3044\u307e\u3057\u3087\u3046\u3002drop-shadow() \u306f clip-path \u306e\u5f62\u72b6\u306b\u5408\u308f\u305b\u305f\u5f71\u3092\u63cf\u753b\u3059\u308b\u305f\u3081\u3001\u3053\u306e\u554f\u984c\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057 drop-shadow() \u306f inset \u3084\u30ab\u30f3\u30de\u306b\u3088\u308b\u8907\u6570\u6307\u5b9a\u304c\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u6a5f\u80fd\u9762\u3067\u306e\u5236\u7d04\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* NG: clip-path\u304c\u3042\u308b\u3068box-shadow\u306f\u6d88\u3048\u308b *\/\n.clipped {\n  clip-path: polygon(0 0, 100% 0, 100% 80%, 0 100%);\n  box-shadow: 0px 8px 24px rgba(0, 0, 0, 0.2); \/* \u52b9\u304b\u306a\u3044 *\/\n}\n\n\/* OK: drop-shadow()\u30d5\u30a3\u30eb\u30bf\u30fc\u3067\u4ee3\u66ff\u3059\u308b *\/\n.clipped-with-shadow {\n  clip-path: polygon(0 0, 100% 0, 100% 80%, 0 100%);\n  filter: drop-shadow(0px 8px 12px rgba(0, 0, 0, 0.25));\n}\n\n\/* \u4e09\u89d2\u5f62\u306e\u8981\u7d20\u306b\u3082\u5f71\u304c\u4ed8\u304f\u4f8b *\/\n.triangle {\n  width: 0;\n  height: 0;\n  border-left: 40px solid transparent;\n  border-right: 40px solid transparent;\n  border-bottom: 70px solid #d16176;\n  filter: drop-shadow(0px 4px 8px rgba(0, 0, 0, 0.3));\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u539f\u56e05: will-change\u3084transform\u304c\u5f71\u97ff\u3057\u3066\u3044\u308b<\/h3>\n\n<p class=\"wp-block-paragraph\">will-change: transform \u3084 transform: translateZ(0) \u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u65b0\u3057\u3044 stacking context \u304c\u751f\u6210\u3055\u308c\u3001\u5f71\u306e\u898b\u3048\u65b9\u304c\u5909\u308f\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002GPU\u5408\u6210\u30ec\u30a4\u30e4\u30fc\u306b\u5f71\u304c\u4e57\u308b\u5f62\u306b\u306a\u308b\u305f\u3081\u3001\u89aa\u8981\u7d20\u3068\u306e\u91cd\u306a\u308a\u3067\u5f71\u304c\u898b\u3048\u306a\u304f\u306a\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u306f\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u6700\u9069\u5316\u306e\u305f\u3081\u306b will-change \u3092\u4f7f\u3063\u3066\u3044\u308b\u3068\u304d\u306b\u8d77\u304d\u3084\u3059\u3044\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u306f will-change \u3092\u5916\u3059\u304b\u3001\u5f71\u3092\u4ed8\u3051\u305f\u3044\u8981\u7d20\u3068 will-change \u3092\u4ed8\u3051\u308b\u8981\u7d20\u3092\u5206\u96e2\u3059\u308b\uff08wrapper \u3067\u5305\u3080\uff09\u69cb\u9020\u306b\u5909\u3048\u3066\u5bfe\u51e6\u3057\u307e\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* NG: will-change\u304c\u5f71\u97ff\u3057\u3066\u5f71\u304c\u898b\u3048\u306a\u304f\u306a\u308b\u5834\u5408 *\/\n.animated-problem {\n  will-change: transform;\n  box-shadow: 0px 8px 24px rgba(0, 0, 0, 0.2); \/* \u5834\u5408\u306b\u3088\u3063\u3066\u6d88\u3048\u308b *\/\n}\n\n\/* OK: wrapper\u306b\u5f71\u3092\u4ed8\u3051\u3001\u4e2d\u306e\u8981\u7d20\u3067\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3 *\/\n.shadow-wrapper {\n  box-shadow: 0px 8px 24px rgba(0, 0, 0, 0.2);\n}\n.inner-animated {\n  will-change: transform;\n  transition: transform 0.3s ease;\n}<\/code><\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f\uff08FAQ\uff09<\/h2>\n\n\n<h3 class=\"wp-block-heading\">Q1. box-shadow\u3068filter: drop-shadow()\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n<p class=\"wp-block-paragraph\">box-shadow \u306f\u8981\u7d20\u306e\u30dc\u30c3\u30af\u30b9\uff08\u77e9\u5f62\u306e\u5883\u754c\uff09\u306b\u5bfe\u3057\u3066\u5f71\u3092\u63cf\u753b\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001filter: drop-shadow() \u306f\u30d4\u30af\u30bb\u30eb\u306e\u5f62\u306b\u5408\u308f\u305b\u305f\u5f71\u3092\u63cf\u753b\u3059\u308b\u305f\u3081\u3001clip-path \u3067\u5207\u308a\u53d6\u3063\u305f\u5f62\u3084 PNG\u753b\u50cf\u306e\u900f\u904e\u90e8\u5206\u306b\u3082\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u4e0d\u898f\u5247\u306a\u5f62\u306b clip-path \u3057\u305f\u8981\u7d20\u3084\u3001\u80cc\u666f\u900f\u904e\u306e\u30a2\u30a4\u30b3\u30f3\u753b\u50cf\u306b\u306f drop-shadow() \u3092\u4f7f\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001drop-shadow() \u306f inset \u306e\u6307\u5b9a\u304c\u3067\u304d\u305a\u3001\u30ab\u30f3\u30de\u306b\u3088\u308b\u8907\u6570\u306e\u5f71\u306e\u91cd\u306d\u304c\u3051\u3082\u5229\u7528\u3067\u304d\u307e\u305b\u3093\u3002\u307e\u305f\u3001filter \u306fGPU\u3067\u51e6\u7406\u3055\u308c\u308b\u305f\u3081\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u9762\u3067\u512a\u308c\u308b\u4e00\u65b9\u3001stacking context \u304c\u5909\u308f\u308b\u3053\u3068\u3067\u610f\u56f3\u3057\u306a\u3044\u91cd\u306a\u308a\u554f\u984c\u304c\u8d77\u304d\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u901a\u5e38\u306eUI\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08\u30ab\u30fc\u30c9\u30fb\u30dc\u30bf\u30f3\uff09\u306b\u306f box-shadow \u3092\u3001\u5f62\u72b6\u306e\u5909\u308f\u3063\u305f\u8981\u7d20\u3084 SVG\u30fbPNG \u30a2\u30a4\u30b3\u30f3\u306b\u306f drop-shadow() \u3092\u4f7f\u3046\u306e\u304c\u57fa\u672c\u306e\u4f7f\u3044\u5206\u3051\u3067\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* box-shadow\u306f\u30dc\u30c3\u30af\u30b9\u5f62\u72b6\u306b\u5f71\u304c\u4ed8\u304f *\/\n.box {\n  box-shadow: 4px 4px 12px rgba(0, 0, 0, 0.2);\n}\n\n\/* drop-shadow\u306f\u30d4\u30af\u30bb\u30eb\u8f2a\u90ed\u306b\u6cbf\u3063\u3066\u5f71\u304c\u4ed8\u304f\uff08PNG\u753b\u50cf\u306a\u3069\u306b\u6709\u52b9\uff09 *\/\n.icon-png {\n  filter: drop-shadow(4px 4px 8px rgba(0, 0, 0, 0.3));\n}\n\n\/* SVG\u306b\u3082\u6709\u52b9 *\/\n.icon-svg {\n  filter: drop-shadow(2px 4px 6px rgba(209, 97, 118, 0.5));\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">Q2. border-radius\u3068box-shadow\u3092\u540c\u6642\u306b\u4f7f\u3046\u3068\u89d2\u304c\u5408\u308f\u306a\u3044\u5834\u5408\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u3067\u3059\u304b\uff1f<\/h3>\n\n<p class=\"wp-block-paragraph\">box-shadow \u306f border-radius \u306e\u89d2\u306e\u5f62\u72b6\u3092\u81ea\u52d5\u7684\u306b\u8ffd\u5f93\u3057\u307e\u3059\u3002\u540c\u3058\u8981\u7d20\u306b\u4e21\u65b9\u3092\u6307\u5b9a\u3059\u308c\u3070\u89d2\u4e38\u306e\u5f71\u306b\u306a\u308a\u307e\u3059\u3002\u5f71\u304c\u89d2\u3068\u5408\u3063\u3066\u3044\u306a\u3044\u3088\u3046\u306b\u898b\u3048\u308b\u5834\u5408\u306f\u3001\u89aa\u8981\u7d20\u306e overflow: hidden \u304c\u5f71\u3092\u30af\u30ea\u30c3\u30d7\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002\u307e\u305f\u3001spread-radius \u3092\u5927\u304d\u304f\u3057\u3059\u304e\u308b\u3068\u3001\u89d2\u4e38\u306e\u66f2\u7387\u3068\u5f71\u306e\u5f62\u72b6\u304c\u305a\u308c\u3066\u898b\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u306f spread-radius \u3092 0 \u304b\u5c0f\u3055\u3044\u5024\u306b\u623b\u3059\u3068\u81ea\u7136\u306b\u306a\u308a\u307e\u3059\u3002border-radius \u306b\u5bfe\u3057\u3066 spread-radius \u3092\u540c\u3058\u5024\u4ee5\u4e0a\u306b\u3059\u308b\u3068\u89d2\u4e38\u306e\u5f71\u304c\u56db\u89d2\u304f\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u306e\u3067\u3001\u4e21\u65b9\u306e\u5024\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308a\u306a\u304c\u3089\u8abf\u6574\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u6b63\u3057\u304f\u8a2d\u5b9a\u3059\u308c\u3070\u89d2\u4e38\u306b\u5408\u3063\u305f\u5f71\u306b\u306a\u308b *\/\n.rounded-card {\n  border-radius: 16px;\n  box-shadow: 0px 8px 24px rgba(0, 0, 0, 0.15);\n  \/* spread-radius\u3092\u5927\u304d\u304f\u3057\u3059\u304e\u306a\u3044 *\/\n}\n\n\/* spread-radius\u304c\u5927\u304d\u3059\u304e\u308b\u3068\u89d2\u4e38\u304c\u30ba\u30ec\u3066\u898b\u3048\u308b *\/\n.rounded-card-bad {\n  border-radius: 16px;\n  box-shadow: 0px 0px 0px 20px rgba(0, 0, 0, 0.1); \/* \u89d2\u4e38\u3068\u30ba\u30ec\u308b *\/\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">Q3. Safari\u3067box-shadow\u304c\u6b63\u3057\u304f\u8868\u793a\u3055\u308c\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u304b\uff1f<\/h3>\n\n<p class=\"wp-block-paragraph\">\u4e3b\u8981\u306a\u30e2\u30c0\u30f3\u30d6\u30e9\u30a6\u30b6\uff08Chrome\u30fbFirefox\u30fbSafari\u30fbEdge\uff09\u306f\u3059\u3079\u3066 box-shadow \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u30d9\u30f3\u30c0\u30fc\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\uff08-webkit-box-shadow \u306a\u3069\uff09\u306f\u4e0d\u8981\u3067\u3059\u3002\u305f\u3060\u3057\u3001iOS Safari\u3067\u306f overflow: hidden \u3068box-shadow\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u8868\u793a\u5d29\u308c\u304c\u8d77\u304d\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001-webkit-overflow-scrolling: touch \u304c\u8a2d\u5b9a\u3055\u308c\u305f\u30b9\u30af\u30ed\u30fc\u30eb\u8981\u7d20\u306e\u5b50\u8981\u7d20\u3067\u306f\u5f71\u304c\u6d88\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u306f\u5f71\u3092\u89aa\u8981\u7d20\u306b\u79fb\u3059\u304b\u3001\u30b9\u30af\u30ed\u30fc\u30eb\u30b3\u30f3\u30c6\u30ca\u3068\u30b3\u30f3\u30c6\u30f3\u30c4\u8981\u7d20\u306e\u69cb\u9020\u3092\u898b\u76f4\u3057\u3066\u5bfe\u51e6\u3057\u307e\u3059\u3002iOS 15\u4ee5\u964d\u306eSafari\u3067\u306f\u591a\u304f\u306e\u4e0d\u5177\u5408\u304c\u6539\u5584\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u53e4\u3044iOS\u3092\u5bfe\u8c61\u306b\u3059\u308b\u5834\u5408\u306f\u5b9f\u6a5f\u30c6\u30b9\u30c8\u304c\u5fc5\u9808\u3067\u3059\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\">Q4. box-shadow\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u60aa\u304f\u306a\u3063\u305f\u5834\u5408\u306e\u5bfe\u51e6\u6cd5\u306f\uff1f<\/h3>\n\n<p class=\"wp-block-paragraph\">box-shadow \u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306f\u30d6\u30e9\u30a6\u30b6\u306e\u518d\u63cf\u753b\uff08repaint\uff09\u3092\u5f15\u304d\u8d77\u3053\u3059\u305f\u3081\u3001transform \u3084 opacity \u3068\u6bd4\u3079\u308b\u3068 GPU\u5408\u6210\u3055\u308c\u305a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u8ca0\u8377\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u300260fps \u3092\u7dad\u6301\u3057\u305f\u3044\u5834\u5408\u306f\u3001::after \u7591\u4f3c\u8981\u7d20\u3067\u5f71\u3092\u4f5c\u308a\u3001\u305d\u306e opacity \u3060\u3051\u3092\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3059\u308b\u65b9\u6cd5\u304c\u6709\u52b9\u3067\u3059\u3002opacity \u306e\u5909\u5316\u306f\u30b3\u30f3\u30dd\u30b8\u30c3\u30c8\u30ec\u30a4\u30e4\u30fc\u3060\u3051\u3067\u51e6\u7406\u3055\u308c\u308b\u305f\u3081\u3001repaint \u304c\u767a\u751f\u3057\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u5411\u3051\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u30db\u30d0\u30fc\u30a8\u30d5\u30a7\u30af\u30c8\u3067\u3042\u308c\u3070\u3001box-shadow \u306e transition \u3067\u3082\u5b9f\u7528\u4e0a\u306f\u554f\u984c\u306a\u3044\u30b1\u30fc\u30b9\u304c\u307b\u3068\u3093\u3069\u3067\u3059\u3002\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u554f\u984c\u304c\u5b9f\u969b\u306b\u767a\u751f\u3057\u305f\u3068\u304d\u306b\u6700\u9069\u5316\u3092\u691c\u8a0e\u3059\u308b\u306e\u304c\u8ce2\u660e\u3067\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316: ::after\u3067\u5f71\u3092\u4f5c\u308aopacity\u3092\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3 *\/\n.card-perf {\n  position: relative;\n  border-radius: 12px;\n  background: #fff;\n  box-shadow: 0px 2px 8px rgba(0, 0, 0, 0.08);\n}\n.card-perf::after {\n  content: \"\";\n  position: absolute;\n  inset: 0;\n  border-radius: 12px;\n  box-shadow: 0px 12px 32px rgba(0, 0, 0, 0.16);\n  opacity: 0;\n  \/* opacity\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306fGPU\u30b3\u30f3\u30dd\u30b8\u30c3\u30c8\u5c64\u3067\u51e6\u7406\u3055\u308c\u308b *\/\n  transition: opacity 0.3s ease;\n}\n.card-perf:hover::after {\n  opacity: 1;\n}<\/code><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">Q5. CSS\u306ebox-shadow\u3067\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u5f71\u3092\u4f5c\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n<p class=\"wp-block-paragraph\">CSS\u306ebox-shadow\u306f\u5358\u8272\u3057\u304b\u6307\u5b9a\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u306e\u5f71\u3092\u76f4\u63a5\u4f5c\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u8907\u6570\u306e\u5f71\u3092\u30ab\u30f3\u30de\u3067\u91cd\u306d\u308b\u3053\u3068\u3067\u8fd1\u4f3c\u7684\u306a\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u5f71\u306b\u898b\u305b\u308b\u3053\u3068\u306f\u53ef\u80fd\u3067\u3059\u304c\u3001\u53b3\u5bc6\u306b\u306f\u305d\u308c\u305e\u308c\u304c\u5358\u8272\u306e\u5f71\u306e\u96c6\u5408\u3067\u3059\u3002\u5b8c\u5168\u306a\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u5f71\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001::after \u7591\u4f3c\u8981\u7d20\u306b background: linear-gradient() \u3092\u4f7f\u3044\u3001filter: blur() \u3067\u307c\u304b\u3057\u3066\u5f71\u306e\u3088\u3046\u306b\u898b\u305b\u308b\u624b\u6cd5\u304c\u73fe\u5b9f\u7684\u306a\u9078\u629e\u80a2\u3067\u3059\u3002z-index \u3067\u672c\u4f53\u8981\u7d20\u306e\u4e0b\u306b\u914d\u7f6e\u3059\u308b\u306e\u304c\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* ::after\u3092\u4f7f\u3063\u305f\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u5f71\u306e\u5b9f\u88c5\u4f8b *\/\n.card-grad-shadow {\n  position: relative;\n  border-radius: 12px;\n  background: #fff;\n  padding: 24px;\n}\n.card-grad-shadow::after {\n  content: \"\";\n  position: absolute;\n  bottom: -16px;\n  left: 10%;\n  width: 80%;\n  height: 24px;\n  background: linear-gradient(\n    to right,\n    rgba(209, 97, 118, 0.3),\n    rgba(239, 189, 183, 0.6),\n    rgba(209, 97, 118, 0.3)\n  );\n  filter: blur(10px);\n  border-radius: 50%;\n  z-index: -1;\n}\n\n\/* \u8907\u6570\u30b7\u30e3\u30c9\u30a6\u3067\u8fd1\u4f3c\u7684\u306a\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u5f71 *\/\n.pseudo-grad-shadow {\n  box-shadow:\n    -8px 8px 16px rgba(209, 97, 118, 0.15),\n    0px 8px 24px rgba(0, 0, 0, 0.1),\n    8px 8px 16px rgba(239, 189, 183, 0.2);\n}<\/code><\/pre><\/div>\n\n\n\n\n<!-- withmedia-related -->\n<h2 class=\"wp-block-heading\">\u95a2\u9023\u8a18\u4e8b<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/withcode.tech\/media\/css-button-design-hover\/\">CSS\u30dc\u30bf\u30f3\u30c7\u30b6\u30a4\u30f330\u9078\uff5c\u30b3\u30d4\u30da\u3067\u4f7f\u3048\u308b\u304a\u3057\u3083\u308c\u306a\u30db\u30d0\u30fc\u30a8\u30d5\u30a7\u30af\u30c8\u96c6<\/a><\/li>\n<li><a href=\"https:\/\/withcode.tech\/media\/css-table-design\/\">CSS\u3067\u304a\u3057\u3083\u308c\u306a\u8868\uff08\u30c6\u30fc\u30d6\u30eb\uff09\u3092\u4f5c\u308b\u65b9\u6cd5\uff5c\u30b3\u30d4\u30da\u3067\u4f7f\u3048\u308b\u30c7\u30b6\u30a4\u30f3\u96c6<\/a><\/li>\n<li><a href=\"https:\/\/withcode.tech\/media\/css-modern-ui-components-30\/\">\u3010\u30b3\u30d4\u30da\u53ef\u3011CSS\u3060\u3051\u3067\u4f5c\u308b\u30e2\u30c0\u30f3UI\u30d1\u30fc\u30c430\u9078\uff5c\u5b9f\u88c5\u30b3\u30fc\u30c9\u5168\u90e8\u8f09\u305b<\/a><\/li>\n<li><a href=\"https:\/\/withcode.tech\/media\/css-color-change\/\">HTML\u3068CSS\u3067\u6587\u5b57\u8272\u3092\u5909\u3048\u308b\u65b9\u6cd5\uff5c\u521d\u5fc3\u8005\u5411\u3051\u5b8c\u5168\u30ac\u30a4\u30c9<\/a><\/li>\n<li><a href=\"https:\/\/withcode.tech\/media\/css-flexbox-grid-guide\/\">CSS Flexbox\u3068Grid\u3092\u4f7f\u3044\u5206\u3051\u308b\u5b8c\u5168\u30ac\u30a4\u30c9\uff5c\u5b9f\u6848\u4ef6\u3067\u5f79\u7acb\u3064\u30ec\u30a4\u30a2\u30a6\u30c8\u5b9f\u88c5\u306e\u57fa\u672c<\/a><\/li>\n<\/ul>\n\n\n<h2 class=\"wp-block-heading\">CSS\u30fbWeb\u30c7\u30b6\u30a4\u30f3\u5b9f\u88c5\u306e\u7dcf\u307e\u3068\u3081<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CSS\u306e\u5b9f\u88c5\u30c6\u30af\u30cb\u30c3\u30af\u3092\u300c\u30ec\u30a4\u30a2\u30a6\u30c8\u30fb\u88c5\u98fe\u30fb\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u30fb\u57fa\u790e\u30fb\u30c8\u30e9\u30d6\u30eb\u89e3\u6c7a\u300d\u306e\u76ee\u7684\u5225\u306b\u63a2\u305b\u308b\u7dcf\u307e\u3068\u3081\u30da\u30fc\u30b8\u3092\u7528\u610f\u3057\u3066\u3044\u307e\u3059\u3002\u5b9f\u88c5\u3067\u8ff7\u3063\u305f\u3068\u304d\u306e\u7d22\u5f15\u3068\u3057\u3066\u3069\u3046\u305e\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/withcode.tech\/media\/css-webdesign-technique-map\/\">\u3010CSS\u5b9f\u88c5\u30c6\u30af\u30cb\u30c3\u30af\u5b8c\u5168\u30de\u30c3\u30d7\u3011\u30b3\u30d4\u30da\u3067\u4f7f\u3048\u308bWeb\u30c7\u30b6\u30a4\u30f3\u5b9f\u88c5\u30ac\u30a4\u30c9\u7dcf\u307e\u3068\u3081<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">WithCode\u3092\u4f53\u9a13\u3067\u304d\u308b\u521d\u7d1a\u30b3\u30fc\u30b9\u516c\u958b\u4e2d\uff01<\/h2>\n\n<figure class=\"wp-block-image alignleft size-full\"><img decoding=\"async\" width=\"600\" height=\"500\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/04\/\u30d0\u30ca\u30fc_300\u00d7250_20240425.png\" alt=\"WithCode\u3092\u4f53\u9a13\u3067\u304d\u308b\u521d\u7d1a\u30b3\u30fc\u30b9\u516c\u958b\u4e2d\uff01\" class=\"wp-image-2650\"\/><\/figure>\n\n<h3 class=\"wp-block-heading\">\u521d\u7d1a\u30b3\u30fc\u30b9(\u00a549,800)\u304c\u5b8c\u5168\u7121\u6599\u306b\uff01<\/h3>\n\n<ul class=\"wp-block-list\">\n<li><strong>\u671f\u9593\uff1a1\u9031\u9593<\/strong><\/li>\n<li><strong>\u5b66\u7fd2\u5185\u5bb9\uff1a<\/strong><br><strong>\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\/\u57fa\u790e\u77e5\u8b58\/\u74b0\u5883\u69cb\u7bc9\/HTML\/CSS\/LP\u30fb\u30dd\u30fc\u30c8\u30d5\u30a9\u30ea\u30aa\u4f5c\u6210<\/strong><br><strong>\u2192 <span class=\"swl-marker mark_yellow\">\u6b63\u3057\u3044\u5b66\u7fd2\u65b9\u6cd5\u3067\u300c\u78ba\u304b\u306a\u6210\u9577\u300d\u3092\u5b9f\u611f\u3067\u304d\u308b\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\u3002<\/span><\/strong><\/li>\n<\/ul>\n\n<p>\u526f\u696d\u30fb\u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u304c\u4e3b\u6d41\u306b\u306a\u3063\u3066\u3044\u308b\u4eca\u3053\u305d\u3001\u81ea\u3089\u306e\u30b9\u30ad\u30eb\u3067\u7a3c\u3052\u308b\u4eba\u6750\u3092\u76ee\u6307\u3057\u3066\u307f\u307e\u305b\u3093\u304b\uff1f<\/p>\n\n<p>\u672a\u7d4c\u9a13\u3067\u3082\u5fc3\u914d\u3059\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u521d\u7d1a\u30b3\u30fc\u30b9\u3092\u53d7\u8b1b\u3055\u308c\u308b\u65b9\u306e\u5927\u591a\u6570\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u672a\u7d4c\u9a13\u3067\u3059\u3002\u307e\u305a\u306f\u7121\u6599\u30ab\u30a6\u30f3\u30bb\u30ea\u30f3\u30b0\u3067\u3001\u60a9\u307f\u3084\u4e0d\u5b89\u3092\u304a\u805e\u304b\u305b\u304f\u3060\u3055\u3044\uff01<\/p>\n\n<div 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