{"id":12308,"date":"2026-01-14T07:02:08","date_gmt":"2026-01-14T07:02:08","guid":{"rendered":"https:\/\/withcode.tech\/media\/?p=12308"},"modified":"2026-03-19T15:08:37","modified_gmt":"2026-03-19T15:08:37","slug":"details_summary","status":"publish","type":"post","link":"https:\/\/withcode.tech\/media\/details_summary\/","title":{"rendered":"details\u30fbsummary\u5b8c\u5168\u30ac\u30a4\u30c9\uff5cJavaScript\u306a\u3057\u3067\u30a2\u30af\u30bb\u30b7\u30d6\u30eb\u306a\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3UI\u5b9f\u88c5"},"content":{"rendered":"<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-14.40.37.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3UI\u3092\u5b9f\u88c5\u3057\u3066\u307b\u3057\u3044\u3068\u8a00\u308f\u308c\u305f\u3093\u3067\u3059\u304c\u3001\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5bfe\u5fdc\u304c\u5fc5\u9808\u3089\u3057\u304f\u3066\u2026\u3002jQuery\u30d7\u30e9\u30b0\u30a4\u30f3\u3060\u3068\u5bfe\u5fdc\u304c\u4e0d\u5341\u5206\u307f\u305f\u3044\u3067\u56f0\u3063\u3066\u307e\u3059\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.11.23.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30da\u30f3\u535a\u58eb<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u305d\u308c\u306a\u3089\u6717\u5831\u3058\u3083\uff01HTML\u306e<strong>details\u30fbsummary\u30bf\u30b0\u3092\u4f7f\u3048\u3070\u3001JavaScript\u306a\u3057\u3067\u5b8c\u5168\u306b\u30a2\u30af\u30bb\u30b7\u30d6\u30eb\u306a\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3\u304c\u4f5c\u308c\u308b\u305e\u3044\u3002WCAG\u6e96\u62e0\u3067\u3001\u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\u306b\u3082\u30d0\u30c3\u30c1\u30ea\u5bfe\u5fdc\u3058\u3083\uff01<\/strong><\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-14.48.08.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u305d\u3046\u3044\u3046\u65b9\u6cd5\u304c\u3042\u308b\u3093\u3067\u3059\u306d\uff01\u305c\u3072\u6559\u3048\u3066\u304f\u3060\u3055\u3044\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<p>Web\u5236\u4f5c\u306e\u73fe\u5834\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u60a9\u307f\u3092\u62b1\u3048\u3066\u3044\u307e\u305b\u3093\u304b\uff1f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3UI\u306e\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5bfe\u5fdc\u304c\u8907\u96d1\u3059\u304e\u308b<\/li>\n\n\n\n<li>jQuery\u30d7\u30e9\u30b0\u30a4\u30f3\u306fWCAG\u6e96\u62e0\u304c\u4e0d\u900f\u660e\u3067\u4e0d\u5b89<\/li>\n\n\n\n<li>\u30ad\u30fc\u30dc\u30fc\u30c9\u64cd\u4f5c\u3084\u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\u5bfe\u5fdc\u3092\u81ea\u524d\u3067\u5b9f\u88c5\u3059\u308b\u306e\u306f\u5927\u5909<\/li>\n\n\n\n<li>JavaScript\u7121\u52b9\u74b0\u5883\u3067\u3082\u6a5f\u80fd\u3059\u308b\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3\u304c\u5fc5\u8981<\/li>\n\n\n\n<li>\u30b7\u30f3\u30d7\u30eb\u306aHTML\u3067\u5b9f\u88c5\u3057\u305f\u3044\u304c\u3001\u898b\u305f\u76ee\u3084\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3082\u6b32\u3057\u3044<\/li>\n<\/ul>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001<strong><span class=\"swl-marker mark_yellow\">HTML\u306edetails\u30fbsummary\u30bf\u30b0\u3092\u6d3b\u7528\u3057\u3066\u3001JavaScript\u306a\u3057\u3067\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306b\u5b8c\u5168\u5bfe\u5fdc\u3057\u305f\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3UI\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5<\/span><\/strong>\u3092\u5fb9\u5e95\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u57fa\u672c\u7684\u306aHTML\u5b9f\u88c5\u304b\u3089\u3001\u30b9\u30e0\u30fc\u30ba\u306a\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3001\u30d6\u30e9\u30a6\u30b6\u4e92\u63db\u6027\u5bfe\u5fdc\u3001\u5b9f\u8df5\u7684\u306a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u307e\u3067\u3001\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306a\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3\u5b9f\u88c5\u304c\u8eab\u306b\u3064\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_announce\">\u300c\u5b66\u7fd2\u2192\u53ce\u5165\u300d\u306b\u3064\u306a\u3052\u305f\u53d7\u8b1b\u751f\u306e\u30ea\u30a2\u30eb\u306a\u4f53\u9a13\u8ac7\u3082\u516c\u958b\u4e2d\uff01<br>\u50cd\u304d\u65b9\u3092\u5909\u3048\u305f\u3044\u65b9\u306b\u3082\u97ff\u304f\u30b9\u30c8\u30fc\u30ea\u30fc\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_info\"><strong>O.Y\u3055\u3093<\/strong><br>\u5b50\u80b2\u3066\u3068\u4e21\u7acb\u3067\u304d\u308b\u50cd\u304d\u65b9\u3092\u76ee\u6307\u3057\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u5b66\u7fd2\u3092\u958b\u59cb\u3059\u308b\u3002\u72ec\u5b66\u3067\u306e\u5b66\u7fd2\u306b\u9650\u754c\u3092\u611f\u3058\u3001WithCode\u306e\u526f\u696d\u30b3\u30fc\u30b9\u306e\u53d7\u8b1b\u3092\u6c7a\u610f\u3002\u6700\u7d42\u76ee\u6a19\u304b\u3089\u9006\u7b97\u3057\u305f\u5b66\u7fd2\u8a08\u753b\u306e\u3082\u3068\u30b9\u30ad\u30eb\u3092\u7fd2\u5f97\u3057\u3001\u5352\u696d\u5f8c\u306b\u521d\u6848\u4ef6\u3092\u62c5\u5f53\u3002\u73fe\u5728\u306f\u5b9f\u6848\u4ef6\u30b5\u30dd\u30fc\u30c8\u306e\u3082\u3068\u3001\u8907\u6570\u6848\u4ef6\u3092\u62c5\u5f53\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p>\u8a73\u3057\u304f\u306f<a href=\"https:\/\/withcode.tech\/media\/interview_10\/\" title=\"\u3053\u3061\u3089\u306e\u8a18\u4e8b\">\u3053\u3061\u3089\u306e\u8a18\u4e8b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -internal\" data-type=\"type1\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img decoding=\"async\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/05\/\u30a4\u30f3\u30bf\u30d3\u30e5\u30fc-17.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/withcode.tech\/media\/interview_10\/\">\u3010\u526f\u696d\u76ee\u6307\u3059\u30de\u30de\u3055\u3093\u5fc5\u898b\u3011\u30c6\u30c3\u30af\u30a2\u30ab\u30c7\u30df\u30fc\u5352\u696d\u5f8c\u306b\u518d\u5165\u5b66\uff01\u80b2\u5150\u3068\u5b66\u7fd2\u3092\u4e21\u7acb\u3055\u305b\u3066&#8221;\u670810\u4e07\u5186&amp;#&#8230;<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">\u30da\u30f3\u535a\u58eb\uff01\u4eca\u56de\u306f\u3069\u3093\u306a\u65b9\u304c\u30a4\u30f3\u30bf\u30d3\u30e5\u30fc\u306b\u5fdc\u3058\u3066\u304f\u3060\u3055\u3063\u305f\u3093\u3067\u3059\u304b\uff1f \u3046\u3080\u3002\u4eca\u56de\u306f\u80b2\u5150\u3068\u5b66\u7fd2\u3092\u4e21\u7acb\u3057\u306a\u304c\u3089\u670810\u4e07\u5186\u306e\u526f\u53ce\u5165\u3092\u9054\u6210\u3057\u305f\u30de\u30de\u3055\u3093\u3058\u3083\u3088\u3002\u5b66\u7fd2\u65b9\u6cd5\u3001\u6848&#8230;<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n<p class=\"has-text-align-left is-style-balloon_box2\"><strong>O.Y\u3055\u3093\u306e\u4e3b\u306a\u5236\u4f5c\u5b9f\u7e3e\u306f\u3053\u3061\u3089<\/strong><\/p>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -external\" data-type=\"type3\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u4f01\u696d\u30d6\u30e9\u30f3\u30c7\u30a3\u30f3\u30b0\u3092\u76ee\u7684\u306b\u3057\u305fHP\u5236\u4f5c<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img decoding=\"async\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/07\/\u5236\u4f5c\u5b9f\u7e3e.webp\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/withcode.tech\/works\/backstage-project\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u682a\u5f0f\u4f1a\u793e\u30d0\u30c3\u30af\u30b9\u30c6\u30fc\u30b8\u30d7\u30ed\u30b8\u30a7\u30af\u30c8 \u69d8<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u306a\u305c\u4eca\u3001details\u30fbsummary\u30bf\u30b0\u306a\u306e\u304b\uff1f<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006474-1.jpg\" alt=\"\" class=\"wp-image-12945\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006474-1.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006474-1-768x512.jpg 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">\u5f93\u6765\u306e\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3\u5b9f\u88c5\u306e\u8ab2\u984c<\/h3>\n\n\n\n<p>\u3053\u308c\u307e\u3067\u3001\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3UI\u3092\u5b9f\u88c5\u3059\u308b\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u65b9\u6cd5\u304c\u4e00\u822c\u7684\u3067\u3057\u305f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>jQuery\u30d7\u30e9\u30b0\u30a4\u30f3\uff1a<\/strong> slideToggle()\u3092\u4f7f\u3063\u305f\u5b9f\u88c5<\/li>\n\n\n\n<li><strong>\u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u30cf\u30c3\u30af\uff1a<\/strong> <input type=\"checkbox\"><\/input>\u3068:checked\u7591\u4f3c\u30af\u30e9\u30b9\u3092\u5229\u7528<\/li>\n\n\n\n<li><strong>\u30ab\u30b9\u30bf\u30e0JavaScript\uff1a<\/strong> \u30dc\u30bf\u30f3\u3068div\u8981\u7d20\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u72ec\u81ea\u5b9f\u88c5<\/li>\n<\/ol>\n\n\n\n<p>\u3057\u304b\u3057\u3001\u3053\u308c\u3089\u306e\u65b9\u6cd5\u306b\u306f<strong><span class=\"swl-marker mark_yellow\">\u5171\u901a\u306e\u554f\u984c<\/span><\/strong>\u304c\u3042\u308a\u307e\u3057\u305f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5b9f\u88c5\u65b9\u6cd5<\/th><th>\u8ab2\u984c<\/th><th>\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5bfe\u5fdc<\/th><\/tr><\/thead><tbody><tr><td>jQuery\u30d7\u30e9\u30b0\u30a4\u30f3<\/td><td>\u30e9\u30a4\u30d6\u30e9\u30ea\u4f9d\u5b58\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30b3\u30b9\u30c8\u9ad8<\/td><td>\u25b3\uff08\u30d7\u30e9\u30b0\u30a4\u30f3\u6b21\u7b2c\uff09<\/td><\/tr><tr><td>\u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u30cf\u30c3\u30af<\/td><td>\u30bb\u30de\u30f3\u30c6\u30a3\u30c3\u30af\u3067\u306a\u3044\u3001\u610f\u56f3\u4e0d\u660e\u78ba<\/td><td>\u00d7\uff08\u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\u8aa4\u8a8d\u8b58\uff09<\/td><\/tr><tr><td>\u30ab\u30b9\u30bf\u30e0JS<\/td><td>ARIA\u5c5e\u6027\u306e\u624b\u52d5\u7ba1\u7406\u304c\u5fc5\u9808\u3001\u5b9f\u88c5\u8907\u96d1<\/td><td>\u25cb\uff08\u6b63\u3057\u304f\u5b9f\u88c5\u3059\u308c\u3070\u53ef\u80fd\uff09<\/td><\/tr><tr><td><strong>details\/summary<\/strong><\/td><td><strong>\u306a\u3057\uff08HTML\u6a19\u6e96\uff09<\/strong><\/td><td><strong>\u25ce\uff08\u30cd\u30a4\u30c6\u30a3\u30d6\u5bfe\u5fdc\uff09<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">details\u30fbsummary\u30bf\u30b0\u304c\u3082\u305f\u3089\u3059\u52b9\u679c<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>JavaScript\u306a\u3057\u3067\u52d5\u4f5c\uff1a<\/strong> \u30cd\u30a4\u30c6\u30a3\u30d6\u6a5f\u80fd\u3067\u958b\u9589\u5236\u5fa1<\/li>\n\n\n\n<li><strong>\u5b8c\u5168\u306a\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5bfe\u5fdc\uff1a<\/strong> WCAG 2.1 \u30ec\u30d9\u30ebAA\u6e96\u62e0<\/li>\n\n\n\n<li><strong>\u30ad\u30fc\u30dc\u30fc\u30c9\u64cd\u4f5c\u5b8c\u5168\u5bfe\u5fdc\uff1a<\/strong> Tab\u3001Enter\u3001Space\u30ad\u30fc\u3067\u64cd\u4f5c\u53ef\u80fd<\/li>\n\n\n\n<li><strong>\u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\u5bfe\u5fdc\uff1a<\/strong> \u958b\u9589\u72b6\u614b\u3092\u81ea\u52d5\u8aad\u307f\u4e0a\u3052<\/li>\n\n\n\n<li><strong>\u30bb\u30de\u30f3\u30c6\u30a3\u30c3\u30afHTML\uff1a<\/strong> \u8981\u7d20\u306e\u610f\u56f3\u304c\u660e\u78ba<\/li>\n\n\n\n<li><strong>\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u6700\u9069\u5316\uff1a<\/strong> \u6298\u308a\u305f\u305f\u307f\u5185\u5bb9\u3082\u691c\u7d22\u5bfe\u8c61<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u304c\u91cd\u8981\u306a\u7406\u7531<\/h3>\n\n\n\n<p>\u4e16\u754c\u4fdd\u5065\u6a5f\u95a2\uff08WHO\uff09\u306b\u3088\u308b\u3068\u3001<strong><span class=\"swl-marker mark_yellow\">\u4e16\u754c\u4eba\u53e3\u306e\u7d0415%\uff0813\u5104\u4eba\uff09\u304c\u4f55\u3089\u304b\u306e\u969c\u5bb3\u3092\u6301\u3063\u3066\u3044\u308b<\/span><\/strong>\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u65e5\u672c\u3067\u306f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8996\u899a\u969c\u5bb3\u8005\uff1a\u7d0431\u4e07\u4eba<\/li>\n\n\n\n<li>\u80a2\u4f53\u4e0d\u81ea\u7531\u8005\uff08\u30ad\u30fc\u30dc\u30fc\u30c9\u306e\u307f\u64cd\u4f5c\uff09\uff1a\u7d04177\u4e07\u4eba<\/li>\n\n\n\n<li>\u9ad8\u9f62\u8005\uff0865\u6b73\u4ee5\u4e0a\uff09\uff1a\u7d043,640\u4e07\u4eba\uff08\u52a0\u9f62\u306b\u3088\u308b\u8996\u529b\u4f4e\u4e0b\u30fb\u904b\u52d5\u6a5f\u80fd\u4f4e\u4e0b\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u3055\u3089\u306b\u3001<strong><span class=\"swl-marker mark_yellow\">\u6cd5\u7684\u8981\u4ef6<\/span><\/strong>\u3068\u3057\u3066\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u969c\u5bb3\u8005\u5dee\u5225\u89e3\u6d88\u6cd5\uff082016\u5e74\u65bd\u884c\u30012024\u5e74\u6539\u6b63\uff09\uff1a<\/strong> \u6c11\u9593\u4e8b\u696d\u8005\u306b\u5408\u7406\u7684\u914d\u616e\u3092\u7fa9\u52d9\u5316<\/li>\n\n\n\n<li><strong>\u307f\u3093\u306a\u306e\u516c\u5171\u30b5\u30a4\u30c8\u904b\u7528\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff1a<\/strong> \u516c\u5171\u6a5f\u95a2\u30b5\u30a4\u30c8\u306fWCAG 2.1\u30ec\u30d9\u30ebAA\u6e96\u62e0\u304c\u5fc5\u9808<\/li>\n\n\n\n<li><strong>\u4f01\u696d\u306eCSR\uff08\u793e\u4f1a\u7684\u8cac\u4efb\uff09\uff1a<\/strong> \u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5bfe\u5fdc\u304c\u4f01\u696d\u8a55\u4fa1\u306b\u76f4\u7d50<\/li>\n<\/ul>\n\n\n\n<p><strong><span class=\"swl-marker mark_yellow\">\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306f\u300c\u7279\u5225\u306a\u914d\u616e\u300d\u3067\u306f\u306a\u304f\u3001\u300c\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u5bfe\u3059\u308b\u57fa\u672c\u7684\u306a\u914d\u616e\u300d<\/span><\/strong>\u3067\u3059\u3002details\u30fbsummary\u30bf\u30b0\u3092\u4f7f\u3048\u3070\u3001\u8ffd\u52a0\u30b3\u30b9\u30c8\u306a\u304f\u3053\u308c\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">details\u30fbsummary\u30bf\u30b0\u306e\u57fa\u672c\u69cb\u9020<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006475.jpg\" alt=\"\" class=\"wp-image-12948\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006475.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006475-768x512.jpg 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.00.55.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>details\u30fbsummary\u30bf\u30b0\u306e\u57fa\u672c\u69cb\u9020\u3092\u77e5\u308a\u305f\u3044\u3067\u3059\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.12.07.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30da\u30f3\u535a\u58eb<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u3046\u3080\u3002\u610f\u5916\u3068\u30b7\u30f3\u30d7\u30eb\u3058\u3083\u3002\u3053\u3053\u3067\u306f\u3001<strong>details\u30fbsummary\u30bf\u30b0\u306e\u57fa\u672c\u69cb<\/strong>\u9020\u306b\u3064\u3044\u3066\u89e3\u8aac\u3059\u308b\u305e\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u6700\u5c0f\u9650\u306eHTML\u69cb\u9020<\/h3>\n\n\n\n<p>\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306aHTML\u306f\u308f\u305a\u304b<strong><span class=\"swl-marker mark_yellow\">2\u3064\u306e\u30bf\u30b0<\/span><\/strong>\u3060\u3051\u3067\u3059\uff1a<\/p>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-pen-title=\"Untitled\" data-default-tab=\"html,result\" data-slug-hash=\"JoREPYL\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/JoREPYL\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/public.codepenassets.com\/embed\/index.js\"><\/script>\n\n\n\n<h4 class=\"wp-block-heading\">\u5404\u8981\u7d20\u306e\u5f79\u5272<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u25b6\ufe0e\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u300c\u8a73\u7d30\u30b3\u30f3\u30c6\u30f3\u30c4\u300d\u304c\u8868\u793a\u3055\u308c\u308b<\/li>\n\n\n\n<li><strong>\u305d\u306e\u4ed6\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\uff1a<\/strong> details\u30fbsummary\u4ee5\u5916\u306e\u5b50\u8981\u7d20\u306f\u3059\u3079\u3066\u6298\u308a\u305f\u305f\u307f\u5bfe\u8c61<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c7\u30d5\u30a9\u30eb\u30c8\u52d5\u4f5c\u306e\u4ed5\u69d8<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u64cd\u4f5c<\/th><th>\u52d5\u4f5c<\/th><\/tr><\/thead><tbody><tr><td>\u30af\u30ea\u30c3\u30af<\/td><td><span style=\"font-family: inherit; font-size: inherit; font-weight: inherit;\">\u25b6\ufe0e\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u958b\u9589\u30c8\u30b0\u30eb<\/span><\/td><\/tr><tr><td>Enter\/Space<\/td><td>\u30ad\u30fc\u30dc\u30fc\u30c9\u3067\u958b\u9589\u30c8\u30b0\u30eb\uff08\u30d5\u30a9\u30fc\u30ab\u30b9\u6642\uff09<\/td><\/tr><tr><td>Tab<\/td><td><summary>\u25b6\ufe0e\u306b\u30d5\u30a9\u30fc\u30ab\u30b9\u79fb\u52d5\uff08\u4ed6\u306e\u8981\u7d20\u3068\u540c\u3058\u6319\u52d5\uff09<\/summary><\/td><\/tr><tr><td>\u958b\u72b6\u614b<\/td><td><details open=\"\">\u5c5e\u6027\u304c\u4ed8\u4e0e\u3055\u308c\u308b<\/details><\/td><\/tr><tr><td>\u9589\u72b6\u614b<\/td><td>open\u5c5e\u6027\u304c\u524a\u9664\u3055\u308c\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9f\u969b\u306e\u8868\u793a\u4f8b<\/h3>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-pen-title=\"Untitled\" data-default-tab=\"html,result\" data-slug-hash=\"xbEgKEj\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/xbEgKEj\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/public.codepenassets.com\/embed\/index.js\"><\/script>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6bb5\u968e\u7684\u306a\u5b9f\u88c5\u30ac\u30a4\u30c9<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006476.jpg\" alt=\"\" class=\"wp-image-12950\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006476.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006476-768x512.jpg 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.00.55.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>details\u30fbsummary\u30bf\u30b0\u306e\u5b9f\u88c5\u65b9\u6cd5\u3092\u6559\u3048\u3066\u304f\u3060\u3055\u3044\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.12.07.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30da\u30f3\u535a\u58eb<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u3046\u3080\u3002\u3044\u3044\u5fc3\u304c\u3051\u3058\u3083\uff01details\u30fbsummary\u30bf\u30b0\u306e\u5b9f\u88c5\u306f\u3001\u4e3b\u306b3\u3064\u306e\u30ec\u30d9\u30eb\u306b\u5206\u3051\u3066\u6bb5\u968e\u7684\u306b\u7fd2\u5f97\u3067\u304d\u308b\u3002\u3053\u3053\u3067\u306f\u3001\u6bb5\u968e\u7684\u306a\u5b9f\u88c5\u65b9\u6cd5\u3092\u7d39\u4ecb\u3059\u308b\u305e\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u3010\u30ec\u30d9\u30eb1\u3011\u6700\u5c0f\u9650\u306e\u5b9f\u88c5\uff08JavaScript\u4e0d\u8981\uff09<\/h3>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-pen-title=\"Untitled\" data-default-tab=\"html,result\" data-slug-hash=\"raMjBWG\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/raMjBWG\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/public.codepenassets.com\/embed\/index.js\"><\/script>\n\n\n\n<p><strong>\u5b9f\u88c5\u6642\u9593\uff1a5\u5206<\/strong> \uff5c <strong>\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\uff1a\u3059\u3079\u3066<\/strong><\/p>\n\n\n\n<p class=\"is-style-big_icon_point\"><strong>\u3053\u306e\u30ec\u30d9\u30eb\u3067\u5b9f\u73fe\u3067\u304d\u308b\u3053\u3068\uff1a<\/strong><br>\u30fb\u30af\u30ea\u30c3\u30af\u3067\u958b\u9589<br>\u30fb\u30ad\u30fc\u30dc\u30fc\u30c9\u64cd\u4f5c\uff08Tab\u3001Enter\u3001Space\uff09<br>\u30fb\u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\u5b8c\u5168\u5bfe\u5fdc<br>\u30fbJavaScript\u7121\u52b9\u74b0\u5883\u3067\u3082\u52d5\u4f5c\u3067\u304d\u308b<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3010\u30ec\u30d9\u30eb2\u3011\u30b0\u30eb\u30fc\u30d7\u5316\u3068\u6392\u4ed6\u5236\u5fa1<\/h3>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-pen-title=\"Untitled\" data-default-tab=\"html,result\" data-slug-hash=\"qEaRWRy\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/qEaRWRy\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/public.codepenassets.com\/embed\/index.js\"><\/script>\n\n\n\n<p><strong>\u5b9f\u88c5\u6642\u9593\uff1a10\u5206<\/strong> \uff5c <strong>\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\uff1aChrome 120+, Edge 120+, Safari 17.2+<\/strong><\/p>\n\n\n\n<p>\u540c\u3058`name`\u5c5e\u6027\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001<strong><span class=\"swl-marker mark_yellow\">1\u3064\u3060\u3051\u304c\u958b\u304d\u3001\u4ed6\u306f\u81ea\u52d5\u3067\u9589\u3058\u308b<\/span><\/strong>\u300c\u6392\u4ed6\u5236\u5fa1\u300d\u304c\u5b9f\u73fe\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<p><strong>\u52d5\u4f5c\uff1a<\/strong> \u8cea\u554f1\u3092\u958b\u304f\u3068\u3001\u8cea\u554f2\u30fb3\u304c\u81ea\u52d5\u3067\u9589\u3058\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30d6\u30e9\u30a6\u30b6\u4e92\u63db\u6027\u5bfe\u5fdc\uff08Polyfill\uff09<\/h4>\n\n\n\n<p>\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\uff08Firefox 127\u4ee5\u524d\u3001Safari 17.2\u4ee5\u524d\uff09\u3067\u306f\u3001JavaScript\u3067\u6392\u4ed6\u5236\u5fa1\u3092\u5b9f\u88c5\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>\/\/ \u6392\u4ed6\u5236\u5fa1\u306ePolyfill\ndocument.querySelectorAll(&#39;details[name]&#39;).forEach((targetDetail) =&gt; {\n  targetDetail.addEventListener(&#39;toggle&#39;, () =&gt; {\n    if (targetDetail.open) {\n      const name = targetDetail.getAttribute(&#39;name&#39;);\n      document.querySelectorAll(`details[name=&quot;${name}&quot;]`).forEach((detail) =&gt; {\n        if (detail !== targetDetail) {\n          detail.removeAttribute(&#39;open&#39;);\n        }\n      });\n    }\n  });\n});\n<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u3010\u30ec\u30d9\u30eb3\u3011\u30b9\u30bf\u30a4\u30ea\u30f3\u30b0\uff08CSS\uff09<\/h3>\n\n\n\n<p><strong>\u5b9f\u88c5\u6642\u9593\uff1a30\u5206<\/strong> \uff5c <strong>\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\uff1a\u3059\u3079\u3066<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30c7\u30d5\u30a9\u30eb\u30c8\u30b9\u30bf\u30a4\u30eb\u306e\u30ea\u30bb\u30c3\u30c8<\/h4>\n\n\n\n<p>\u30d6\u30e9\u30a6\u30b6\u304c\u8868\u793a\u3059\u308b\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u4e09\u89d2\u5f62\u30a2\u30a4\u30b3\u30f3\u3092\u524a\u9664\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-pen-title=\"Untitled\" data-default-tab=\"html,result\" data-slug-hash=\"wBzoVQb\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/wBzoVQb\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/public.codepenassets.com\/embed\/index.js\"><\/script>\n\n\n\n<h4 class=\"wp-block-heading\">\u30ab\u30b9\u30bf\u30e0\u30a2\u30a4\u30b3\u30f3\u306e\u8ffd\u52a0<\/h4>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-pen-title=\"Untitled\" data-default-tab=\"html,result\" data-slug-hash=\"jEMVgRP\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/jEMVgRP\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/public.codepenassets.com\/embed\/index.js\"><\/script>\n\n\n\n<h4 class=\"wp-block-heading\">\u30b3\u30f3\u30c6\u30f3\u30c4\u30a8\u30ea\u30a2\u306e\u30b9\u30bf\u30a4\u30ea\u30f3\u30b0<\/h4>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-pen-title=\"Untitled\" data-default-tab=\"html,result\" data-slug-hash=\"xbEgKxp\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/xbEgKxp\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/public.codepenassets.com\/embed\/index.js\"><\/script>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u5b9f\u88c5\u306e\u5b8c\u5168\u30ac\u30a4\u30c9<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006477.jpg\" alt=\"\" class=\"wp-image-12951\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006477.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006477-768x512.jpg 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.00.55.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>details\u30fbsummary\u30bf\u30b0\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u5b9f\u88c5\u65b9\u6cd5\u3082\u77e5\u308a\u305f\u3044\u3067\u3059\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.09.27.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30da\u30f3\u535a\u58eb<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u3046\u3080\u3002details\u30fbsummary\u30bf\u30b0\u306e\u552f\u4e00\u306e\u5f31\u70b9\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u306a\u3044\u3053\u3068\u3058\u3083\u3002\u3053\u3053\u3067\u306f\u3001\u30b9\u30e0\u30fc\u30ba\u306a\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u5b9f\u88c5\u65b9\u6cd5\u3092\u7d39\u4ecb\u3059\u308b\u305e\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u65b9\u6cd51: CSS\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\uff08\u6700\u65b0\u30d6\u30e9\u30a6\u30b6\u5bfe\u5fdc\uff09<\/h3>\n\n\n\n<p><strong>\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\uff1aChrome 123+, Edge 123+<\/strong>\uff08Safari\u3001Firefox\u306f2026\u5e741\u6708\u6642\u70b9\u3067\u672a\u5bfe\u5fdc\uff09<\/p>\n\n\n\n<p>\u6700\u65b0\u306eCSS\u4ed5\u69d8 `::details-content` \u7591\u4f3c\u8981\u7d20\u3092\u4f7f\u7528\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-pen-title=\"Untitled\" data-default-tab=\"html,result\" data-slug-hash=\"ZYpLzYe\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/ZYpLzYe\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/public.codepenassets.com\/embed\/index.js\"><\/script>\n\n\n\n<p class=\"is-style-big_icon_caution\"><strong>\u6ce8\u610f\u70b9\uff1a<\/strong> Safari\/Firefox\u3067\u306f\u52d5\u4f5c\u3057\u306a\u3044\u305f\u3081\u3001\u5f8c\u8ff0\u306eJavaScript\u65b9\u5f0f\u304c\u63a8\u5968\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u65b9\u6cd52: JavaScript\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\uff08\u5168\u30d6\u30e9\u30a6\u30b6\u5bfe\u5fdc\uff09<\/h3>\n\n\n\n<p><strong>\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\uff1a\u3059\u3079\u3066<\/strong>\uff08IE11\u4ee5\u5916\uff09<\/p>\n\n\n\n<p>Web Animations API\u3092\u4f7f\u7528\u3057\u305f\u5b9f\u88c5\u3067\u3059\u3002<strong><span class=\"swl-marker mark_yellow\">\u6700\u3082\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u3001\u63a8\u5968\u3055\u308c\u308b\u65b9\u6cd5<\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-pen-title=\"Untitled\" data-default-tab=\"html,result\" data-slug-hash=\"gbwgYWY\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/gbwgYWY\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/public.codepenassets.com\/embed\/index.js\"><\/script>\n\n\n\n<p class=\"is-style-big_icon_point\"><strong>\u30dd\u30a4\u30f3\u30c8\uff1a<\/strong> \u30b3\u30f3\u30c6\u30f3\u30c4\u30922\u91cddiv\u3067\u56f2\u3080\u3053\u3068\u3067\u3001padding\u3092\u4fdd\u6301\u3057\u305f\u307e\u307eheight\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30b3\u30fc\u30c9\u306e\u30dd\u30a4\u30f3\u30c8\u89e3\u8aac<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30dd\u30a4\u30f3\u30c8<\/th><th>\u8aac\u660e<\/th><\/tr><\/thead><tbody><tr><td>e.preventDefault()<\/td><td>\u30d6\u30e9\u30a6\u30b6\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u958b\u9589\u52d5\u4f5c\u3092\u7121\u52b9\u5316\u3057\u3001\u30ab\u30b9\u30bf\u30e0\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u884c<\/td><\/tr><tr><td>isClosing \/ isExpanding<\/td><td>\u9023\u6253\u9632\u6b62\u30d5\u30e9\u30b0\u3002\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u4e2d\u306f\u65b0\u3057\u3044\u64cd\u4f5c\u3092\u7121\u8996<\/td><\/tr><tr><td>offsetHeight<\/td><td>\u8981\u7d20\u306e\u5b9f\u969b\u306e\u9ad8\u3055\u3092\u53d6\u5f97\u3002auto\u5024\u306f\u4f7f\u3048\u306a\u3044\u305f\u3081\u52d5\u7684\u306b\u53d6\u5f97<\/td><\/tr><tr><td>animate()<\/td><td>Web Animations API\u3002jQuery\u306eanimate()\u3088\u308a\u8efd\u91cf\u3067\u9ad8\u901f<\/td><\/tr><tr><td>onfinish<\/td><td>\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u5b8c\u4e86\u6642\u306e\u51e6\u7406\u3002\u30d5\u30e9\u30b0\u3092\u30ea\u30bb\u30c3\u30c8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b3\u30d4\u30da\u3067\u4f7f\u3048\u308b\u5b9f\u8df5\u30b3\u30fc\u30c9\u96c6<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006478.jpg\" alt=\"\" class=\"wp-image-12952\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006478.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006478-768x512.jpg 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-14.48.08.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u4ed6\u306b\u3082\u69d8\u3005\u306a\u5b9f\u88c5\u65b9\u6cd5\u3092\u77e5\u308a\u305f\u3044\u3067\u3059\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.12.07.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30da\u30f3\u535a\u58eb<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u304a\u3046\uff01\u3055\u3089\u306b\u8208\u5473\u3092\u6301\u3063\u3066\u304f\u308c\u3066\u4f55\u3088\u308a\u3058\u3083\uff01\u3053\u3053\u3067\u306f\u3001\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u305d\u306e\u307e\u307e\u4f7f\u3048\u308b\u3001\u5b8c\u6210\u5ea6\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u4f8b\u3092\u7d39\u4ecb\u3059\u308b\u305e\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u30d1\u30bf\u30fc\u30f31: \u30b7\u30f3\u30d7\u30eb\u306aFAQ<\/h3>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-pen-title=\"Untitled\" data-default-tab=\"html,result\" data-slug-hash=\"QwKdLMK\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/QwKdLMK\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/public.codepenassets.com\/embed\/index.js\"><\/script>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d1\u30bf\u30fc\u30f32: \u30ab\u30fc\u30c9\u578b\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3<\/h3>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-pen-title=\"Untitled\" data-default-tab=\"html,result\" data-slug-hash=\"ZYpLzXX\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/ZYpLzXX\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/public.codepenassets.com\/embed\/index.js\"><\/script>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d1\u30bf\u30fc\u30f33: \u30cd\u30b9\u30c8\u3055\u308c\u305f\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3<\/h3>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-pen-title=\"Untitled\" data-default-tab=\"html,result\" data-slug-hash=\"RNGKbxX\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/RNGKbxX\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/public.codepenassets.com\/embed\/index.js\"><\/script>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d6\u30e9\u30a6\u30b6\u4e92\u63db\u6027\u3068\u5bfe\u5fdc\u8868<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006479.jpg\" alt=\"\" class=\"wp-image-12953\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006479.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006479-768x512.jpg 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">details\u30fbsummary\u30bf\u30b0\u306e\u5bfe\u5fdc\u72b6\u6cc1<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30d6\u30e9\u30a6\u30b6<\/th><th>\u57fa\u672c\u6a5f\u80fd<\/th><th>name\u5c5e\u6027\uff08\u6392\u4ed6\u5236\u5fa1\uff09<\/th><th>::details-content<\/th><\/tr><\/thead><tbody><tr><td>Chrome<\/td><td>12+ <\/td><td>120+ <\/td><td>123+ <\/td><\/tr><tr><td>Edge<\/td><td>79+ <\/td><td>120+ <\/td><td>123+ <\/td><\/tr><tr><td>Safari<\/td><td>6+ <\/td><td>17.2+ <\/td><td>\u672a\u5bfe\u5fdc<\/td><\/tr><tr><td>Firefox<\/td><td>49+ <\/td><td>127+ <\/td><td>\u672a\u5bfe\u5fdc<\/td><\/tr><tr><td>Opera<\/td><td>15+ <\/td><td>106+ <\/td><td>109+ <\/td><\/tr><tr><td>iOS Safari<\/td><td>6+ <\/td><td>17.2+ <\/td><td>\u672a\u5bfe\u5fdc<\/td><\/tr><tr><td>Android Chrome<\/td><td>4.0+ <\/td><td>120+ <\/td><td>123+ <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u63a8\u5968\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u8981\u4ef6<\/th><th>\u63a8\u5968\u5b9f\u88c5<\/th><th>\u7406\u7531<\/th><\/tr><\/thead><tbody><tr><td>\u57fa\u672c\u7684\u306a\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3<\/td><td>HTML\u306e\u307f<\/td><td>\u3059\u3079\u3066\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u52d5\u4f5c\u3001\u8efd\u91cf<\/td><\/tr><tr><td>\u6392\u4ed6\u5236\u5fa1<\/td><td>HTML\uff08name\u5c5e\u6027\uff09+ JavaScript Polyfill<\/td><td>\u30e2\u30c0\u30f3\u30d6\u30e9\u30a6\u30b6\u306f\u30cd\u30a4\u30c6\u30a3\u30d6\u3001\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u306fJS<\/td><\/tr><tr><td>\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<\/td><td>JavaScript\uff08Web Animations API\uff09<\/td><td>\u5168\u30d6\u30e9\u30a6\u30b6\u5bfe\u5fdc\u3001\u7d30\u304b\u3044\u5236\u5fa1\u53ef\u80fd<\/td><\/tr><tr><td>IE11\u5bfe\u5fdc<\/td><td>jQuery\u30d7\u30e9\u30b0\u30a4\u30f3<\/td><td>details\/summary\u306f\u975e\u5bfe\u5fdc\u306e\u305f\u3081\u4ee3\u66ff\u5b9f\u88c5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006480.jpg\" alt=\"\" class=\"wp-image-12954\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006480.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006480-768x512.jpg 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.00.55.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>details\u30fbsummary\u3092\u4f7f\u7528\u3059\u308b\u306b\u3042\u305f\u3063\u3066\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u3053\u3068\u3082\u77e5\u308a\u305f\u3044\u3067\u3059\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.09.27.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30da\u30f3\u535a\u58eb<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong><strong><strong>\u3046\u3080\u3002\u3053\u3053\u3067\u306f\u3001\u4e3b\u306a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u30925\u3064\u7d39\u4ecb\u3059\u308b\u305e\u3044\uff01<\/strong><\/strong><\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u554f\u984c1: \u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u30ab\u30af\u3064\u304f<\/h3>\n\n\n\n<p><strong>\u539f\u56e0\uff1a<\/strong> \u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u4e2d\u306b\u9023\u7d9a\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u8907\u6570\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u7af6\u5408<\/p>\n\n\n\n<p><strong>\u89e3\u6c7a\u7b56\uff1a<\/strong> \u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u4e2d\u306f\u30af\u30ea\u30c3\u30af\u3092\u7121\u8996\u3059\u308b<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>onClick(e) {\n  e.preventDefault();\n\n  \/\/ \u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u4e2d\u306f\u7121\u8996\n  if (this.isClosing || this.isExpanding) {\n    return;\n  }\n\n  \/\/ \u958b\u9589\u51e6\u7406\n}<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u554f\u984c2: Safari\u3067\u30a2\u30a4\u30b3\u30f3\u304c\u6d88\u3048\u306a\u3044<\/h3>\n\n\n\n<p><strong>\u539f\u56e0\uff1a<\/strong> Safari\u306f::-webkit-details-marker\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206<\/p>\n\n\n\n<p><strong>\u89e3\u6c7a\u7b56\uff1a<\/strong> list-style\u3082\u5408\u308f\u305b\u3066\u6307\u5b9a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>summary {\n  list-style: none; \/* Firefox\u7528 *\/\n}\n\nsummary::-webkit-details-marker {\n  display: none; \/* Chrome, Safari\u7528 *\/\n}\n\n\/* Safari\u3067\u78ba\u5b9f\u306b\u6d88\u3059\u305f\u3081\u306e\u8ffd\u52a0\u6307\u5b9a *\/\nsummary::marker {\n  display: none;\n}<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u554f\u984c3: padding\u4ed8\u304d\u3067\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u30ba\u30ec\u308b<\/h3>\n\n\n\n<p><strong>\u539f\u56e0\uff1a<\/strong> height\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306fpadding\u3092\u542b\u307e\u306a\u3044<\/p>\n\n\n\n<p><strong>\u89e3\u6c7a\u7b56\uff1a<\/strong> 2\u91cddiv\u3067\u56f2\u307f\u3001\u5185\u5074\u306bpadding\u3092\u6307\u5b9a<\/p>\n\n\n\n<p class=\"codepen\" data-height=\"300\" data-pen-title=\"Untitled\" data-default-tab=\"html,result\" data-slug-hash=\"MYjJgGO\" data-user=\"ddwkeakz-the-reactor\" style=\"height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\/pen\/MYjJgGO\">\n  Untitled<\/a> by \u305b\u3044\u3084 (<a href=\"https:\/\/codepen.io\/ddwkeakz-the-reactor\">@ddwkeakz-the-reactor<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n<script async src=\"https:\/\/public.codepenassets.com\/embed\/index.js\"><\/script>\n\n\n\n<h3 class=\"wp-block-heading\">\u554f\u984c4: \u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\u3067\u8aad\u307f\u4e0a\u3052\u9806\u5e8f\u304c\u4e0d\u81ea\u7136<\/h3>\n\n\n\n<p><strong>\u539f\u56e0\uff1a<\/strong> \u8907\u96d1\u306aHTML\u30cd\u30b9\u30c8\u69cb\u9020<\/p>\n\n\n\n<p><strong>\u89e3\u6c7a\u7b56\uff1a<\/strong> \u30b7\u30f3\u30d7\u30eb\u306a\u69cb\u9020\u3092\u4fdd\u3061\u3001\u4e0d\u8981\u306a\u8981\u7d20\u306f\u524a\u9664\u3059\u308b<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;!-- \u60aa\u3044\u4f8b --&gt;\n&lt;details&gt;\n  &lt;div&gt;\n    &lt;div&gt;\n      &lt;summary&gt;\u898b\u51fa\u3057&lt;\/summary&gt;\n    &lt;\/div&gt;\n  &lt;\/div&gt;\n  &lt;p&gt;\u30b3\u30f3\u30c6\u30f3\u30c4&lt;\/p&gt;\n&lt;\/details&gt;\n\n&lt;!-- \u826f\u3044\u4f8b --&gt;\n&lt;details&gt;\n  &lt;summary&gt;\u898b\u51fa\u3057&lt;\/summary&gt;\n  &lt;p&gt;\u30b3\u30f3\u30c6\u30f3\u30c4&lt;\/p&gt;\n&lt;\/details&gt;\n<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u554f\u984c5: \u30e2\u30d0\u30a4\u30eb\u3067\u30bf\u30c3\u30d7\u53cd\u5fdc\u304c\u9045\u3044<\/h3>\n\n\n\n<p><strong>\u539f\u56e0\uff1a<\/strong> \u30e2\u30d0\u30a4\u30eb\u30d6\u30e9\u30a6\u30b6\u306e300ms\u30af\u30ea\u30c3\u30af\u9045\u5ef6<\/p>\n\n\n\n<p><strong>\u89e3\u6c7a\u7b56\uff1a<\/strong> touch-action: manipulation\u3092\u6307\u5b9a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>summary {\n  touch-action: manipulation; \/* \u30c0\u30d6\u30eb\u30bf\u30c3\u30d7\u30ba\u30fc\u30e0\u7121\u52b9\u5316 *\/\n  cursor: pointer;\n}<\/code><\/pre><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b94\u3064\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006481.jpg\" alt=\"\" class=\"wp-image-12955\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006481.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006481-768x512.jpg 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.00.55.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>details\u30fbsummary\u3092\u3046\u307e\u304f\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306b\u306f\u3069\u3046\u3057\u305f\u3089\u826f\u3044\u3067\u3059\u304b\uff1f<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.09.27.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30da\u30f3\u535a\u58eb<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u826f\u3044\u8cea\u554f\u3058\u3083\u3002\u3053\u3053\u3067\u306f\u3001\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306a\u5b9f\u88c5\u3092\u3059\u308b\u305f\u3081\u306e4\u3064\u306e\u9805\u76ee\u3092\u7d39\u4ecb\u3059\u308b\u305e\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<h3 class=\"wp-block-heading\">1. \u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30d5\u30a9\u30fc\u30ab\u30b9\u8868\u793a\uff1a<\/strong> summary:focus\u3067\u8996\u899a\u7684\u306a\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af<\/li>\n\n\n\n<li><strong>\u8272\u3060\u3051\u306b\u4f9d\u5b58\u3057\u306a\u3044\uff1a<\/strong> \u30a2\u30a4\u30b3\u30f3\u3084\u5f62\u72b6\u3067\u3082\u72b6\u614b\u3092\u793a\u3059<\/li>\n\n\n\n<li><strong>\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4\uff1a<\/strong> WCAG AA\u30ec\u30d9\u30eb\uff084.5:1\u4ee5\u4e0a\uff09\u3092\u6e80\u305f\u3059<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9023\u6253\u5bfe\u7b56\uff1a<\/strong> \u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u4e2d\u306e\u30af\u30ea\u30c3\u30af\u3092\u7121\u8996<\/li>\n\n\n\n<li><strong>\u30ea\u30d5\u30ed\u30fc\u6700\u5c0f\u5316\uff1a<\/strong> `transform`\u3092\u512a\u5148\u3001`height`\u306f\u6700\u5c0f\u9650<\/li>\n\n\n\n<li><strong>will-change\u56de\u907f\uff1a<\/strong> \u904e\u5ea6\u306a\u4f7f\u7528\u306f\u30e1\u30e2\u30ea\u6d88\u8cbb\u5897\u52a0<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u30e6\u30fc\u30b6\u30d3\u30ea\u30c6\u30a3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30bf\u30c3\u30d7\u9818\u57df\uff1a<\/strong> \u6700\u4f4e44x44px\u3092\u78ba\u4fdd\uff08\u30e2\u30d0\u30a4\u30eb\u5bfe\u5fdc\uff09<\/li>\n\n\n\n<li><strong>\u8996\u899a\u7684\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\uff1a<\/strong> \u30db\u30d0\u30fc\u6642\u306e\u8272\u5909\u5316<\/li>\n\n\n\n<li><strong>\u72b6\u614b\u306e\u660e\u793a\uff1a<\/strong> \u958b\u9589\u72b6\u614b\u304c\u4e00\u76ee\u3067\u308f\u304b\u308b\u30a2\u30a4\u30b3\u30f3<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4. SEO<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u69cb\u9020\u5316\u30c7\u30fc\u30bf\uff1a<\/strong> FAQ\u306a\u3089FAQPage schema\u3092\u5b9f\u88c5<\/li>\n<\/ul>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-json\" data-lang=\"JSON\"><code>&lt;script type=&quot;application\/ld+json&quot;&gt;\n{\n  &quot;@context&quot;: &quot;https:\/\/schema.org&quot;,\n  &quot;@type&quot;: &quot;FAQPage&quot;,\n  &quot;mainEntity&quot;: [{\n    &quot;@type&quot;: &quot;Question&quot;,\n    &quot;name&quot;: &quot;\u9001\u6599\u306f\u304b\u304b\u308a\u307e\u3059\u304b\uff1f&quot;,\n    &quot;acceptedAnswer&quot;: {\n      &quot;@type&quot;: &quot;Answer&quot;,\n      &quot;text&quot;: &quot;5,000\u5186\u4ee5\u4e0a\u306e\u3054\u8cfc\u5165\u3067\u9001\u6599\u7121\u6599\u3067\u3059\u3002&quot;\n    }\n  }]\n}\n&lt;\/script&gt;<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f\uff08FAQ\uff09<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006483.jpg\" alt=\"\" class=\"wp-image-12957\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006483.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/01\/1000006483-768x512.jpg 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">Q1: details\u30fbsummary\u30bf\u30b0\u306f\u3059\u3079\u3066\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u4f7f\u3048\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>A:<\/strong> \u306f\u3044\u3001\u30e2\u30c0\u30f3\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u5b8c\u5168\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002Chrome 12+\u3001Firefox 49+\u3001Safari 6+\u3001Edge 79+\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002<strong><span class=\"swl-marker mark_yellow\">IE11\u306f\u975e\u5bfe\u5fdc<\/span><\/strong>\u306e\u305f\u3081\u3001Polyfill\u307e\u305f\u306f\u4ee3\u66ff\u5b9f\u88c5\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q2: JavaScript\u306a\u3057\u3067\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306f\u53ef\u80fd\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>A:<\/strong> CSS\u306e::details-content\u7591\u4f3c\u8981\u7d20\u3092\u4f7f\u3048\u3070\u53ef\u80fd\u3067\u3059\u304c\u3001<strong><span class=\"swl-marker mark_yellow\">Chrome 123+\u3001Edge 123+\u306e\u307f\u5bfe\u5fdc<\/span><\/strong>\u3067\u3059\u3002Safari\u3001Firefox\u3067\u306f\u672a\u5bfe\u5fdc\u306e\u305f\u3081\u3001\u5168\u30d6\u30e9\u30a6\u30b6\u5bfe\u5fdc\u306b\u306fJavaScript\uff08Web Animations API\uff09\u306e\u4f7f\u7528\u3092\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q3: \u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5bfe\u5fdc\u3067\u8ffd\u52a0\u5b9f\u88c5\u306f\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>A:<\/strong> \u57fa\u672c\u7684\u306b\u306f\u4e0d\u8981\u3067\u3059\u3002details\u30fbsummary\u30bf\u30b0\u306f\u6a19\u6e96\u3067<strong><span class=\"swl-marker mark_yellow\">WCAG 2.1\u30ec\u30d9\u30ebAA\u6e96\u62e0<\/span><\/strong>\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u4ee5\u4e0b\u306eCSS\u5b9f\u88c5\u3092\u63a8\u5968\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d5\u30a9\u30fc\u30ab\u30b9\u8868\u793a\uff08`outline`\uff09<\/li>\n\n\n\n<li>\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd44.5:1\u4ee5\u4e0a<\/li>\n\n\n\n<li>\u30bf\u30c3\u30d7\u9818\u57df44x44px\u4ee5\u4e0a\uff08\u30e2\u30d0\u30a4\u30eb\uff09<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Q4: \u8907\u6570\u306e\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3\u30671\u3064\u3060\u3051\u958b\u304f\u6392\u4ed6\u5236\u5fa1\u306f\u53ef\u80fd\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>A:<\/strong> \u306f\u3044\u3001name\u5c5e\u6027\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002`<\/p>\n\n\n\n<p>\u540c\u3058name\u5024\u3092\u6307\u5b9a\u3059\u308b\u3068\u30011\u3064\u304c\u958b\u304f\u3068\u4ed6\u304c\u81ea\u52d5\u3067\u9589\u3058\u307e\u3059\u3002<strong><span class=\"swl-marker mark_yellow\">Chrome 120+\u3001Safari 17.2+\u3001Firefox 127+<\/span><\/strong>\u3067\u52d5\u4f5c\u3002\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u5411\u3051\u306bJavaScript Polyfill\u3092\u7528\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q5: \u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u958b\u3044\u305f\u72b6\u614b\u306b\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>A:<\/strong> \u306f\u3044\u3001open\u5c5e\u6027\u3092\u4ed8\u4e0e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<details open=\"\">\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u6642\u306b\u5c55\u958b\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002\u91cd\u8981\u306a\u60c5\u5831\u3084\u30c7\u30d5\u30a9\u30eb\u30c8\u8868\u793a\u3057\u305f\u3044\u5185\u5bb9\u306b\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/details>\n\n\n\n<h3 class=\"wp-block-heading\">Q6: \u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\u3067\u306f\u3069\u3046\u8aad\u307f\u4e0a\u3052\u3089\u308c\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>A:<\/strong> summary\u306e\u5185\u5bb9 + \u300c\u6298\u308a\u305f\u305f\u307e\u308c\u3066\u3044\u307e\u3059\u300d\u307e\u305f\u306f\u300c\u5c55\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u300d\u3068\u81ea\u52d5\u8aad\u307f\u4e0a\u3052\u3055\u308c\u307e\u3059\u3002\u958b\u9589\u72b6\u614b\u306e\u5909\u66f4\u3082\u81ea\u52d5\u3067\u30a2\u30ca\u30a6\u30f3\u30b9\u3055\u308c\u308b\u305f\u3081\u3001<strong><span class=\"swl-marker mark_yellow\">ARIA\u5c5e\u6027\u306e\u624b\u52d5\u7ba1\u7406\u306f\u4e0d\u8981<\/span><\/strong>\u3067\u3059\u3002NVDA\u3001JAWS\u3001VoiceOver\u3067\u52d5\u4f5c\u78ba\u8a8d\u6e08\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q7: SEO\u7684\u306b\u6298\u308a\u305f\u305f\u307f\u30b3\u30f3\u30c6\u30f3\u30c4\u306f\u4e0d\u5229\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>A:<\/strong> \u3044\u3044\u3048\u3001details\u30fbsummary\u30bf\u30b0\u3067\u6298\u308a\u305f\u305f\u307e\u308c\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u3082\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306f<strong><span class=\"swl-marker mark_yellow\">\u5b8c\u5168\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9<\/span><\/strong>\u3057\u307e\u3059\u3002Google\u306f\u300c\u30e6\u30fc\u30b6\u30d3\u30ea\u30c6\u30a3\u5411\u4e0a\u306e\u305f\u3081\u306e\u6298\u308a\u305f\u305f\u307f\u300d\u3068\u3057\u3066\u8a55\u4fa1\u3057\u307e\u3059\u3002FAQ\u306e\u5834\u5408\u306f\u69cb\u9020\u5316\u30c7\u30fc\u30bf\uff08FAQPage schema\uff09\u3092\u8ffd\u52a0\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001<strong><span class=\"swl-marker mark_yellow\">\u30ea\u30c3\u30c1\u30ea\u30b6\u30eb\u30c8\u8868\u793a<\/span><\/strong>\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q8: jQuery\u30d7\u30e9\u30b0\u30a4\u30f3\u304b\u3089\u79fb\u884c\u3059\u308b\u969b\u306e\u6ce8\u610f\u70b9\u306f\uff1f<\/h3>\n\n\n\n<p><strong>A:<\/strong> \u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a4\u30d9\u30f3\u30c8\u540d\u306e\u5909\u66f4\uff08click\u2192toggle\uff09<\/li>\n\n\n\n<li>\u958b\u9589\u72b6\u614b\u306e\u53d6\u5f97\u65b9\u6cd5\uff08hasClass(open) \u2192 element.open\uff09<\/li>\n\n\n\n<li>CSS\u30bb\u30ec\u30af\u30bf\u306e\u5909\u66f4\uff08.accordion.open\u2192 details[open]\uff09<\/li>\n<\/ol>\n\n\n\n<p>\u65e2\u5b58\u306e\u30ab\u30b9\u30bf\u30e0\u30a4\u30d9\u30f3\u30c8\u3084\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u51e6\u7406\u306f\u3001toggle\u30a4\u30d9\u30f3\u30c8\u3067\u518d\u5b9f\u88c5\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q9: \u30e2\u30d0\u30a4\u30eb\u3067\u306e\u6319\u52d5\u306f\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u304b\uff1f<\/h3>\n\n\n\n<p><strong>A:<\/strong> \u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u4ee5\u4e0b\u306e\u5bfe\u7b56\u3092\u63a8\u5968\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>touch-action: manipulation;\u3067\u30c0\u30d6\u30eb\u30bf\u30c3\u30d7\u30ba\u30fc\u30e0\u9045\u5ef6\u3092\u89e3\u6d88<\/li>\n\n\n\n<li>summary\u306e\u30bf\u30c3\u30d7\u9818\u57df\u3092\u6700\u4f4e44x44px\u306b\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u901f\u5ea6\u3092300\u301c400ms\u306b\u8abf\u6574\uff08\u30e2\u30d0\u30a4\u30eb\u306f\u901f\u3081\u304c\u597d\u307e\u308c\u308b\uff09<\/li>\n<\/ol>\n\n\n\n<p>iOS Safari\u3001Android Chrome\u3067\u52d5\u4f5c\u78ba\u8a8d\u5fc5\u9808\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q10: \u30cd\u30b9\u30c8\u3055\u308c\u305f\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3\u306f\u5b9f\u88c5\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>A:<\/strong> \u306f\u3044\u3001\u8981\u7d20\u306e\u4e2d\u306b\u5225\u306e\u8981\u7d20\u3092\u914d\u7f6e\u3067\u304d\u307e\u3059\u3002\u89aa\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3\u306e\u958b\u9589\u3068\u5b50\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3\u306e\u958b\u9589\u306f<strong><span class=\"swl-marker mark_yellow\">\u72ec\u7acb\u3057\u3066\u52d5\u4f5c<\/span><\/strong>\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u8996\u899a\u7684\u306a\u968e\u5c64\u304c\u308f\u304b\u308b\u3088\u3046\u306b\u3001\u30a4\u30f3\u30c7\u30f3\u30c8\u3084\u30dc\u30fc\u30c0\u30fc\u8272\u3067\u533a\u5225\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q11: \u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u4e2d\u306b\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u5834\u5408\u306e\u6319\u52d5\u306f\uff1f<\/h3>\n\n\n\n<p><strong>A:<\/strong> \u9023\u6253\u9632\u6b62\u7b56\u3092\u5b9f\u88c5\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u30ab\u30af\u3064\u304d\u307e\u3059\u3002\u89e3\u6c7a\u7b56\u3068\u3057\u3066\u3001<strong><span class=\"swl-marker mark_yellow\">isClosing\u3084isExpanding\u30d5\u30e9\u30b0\u3067\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u4e2d\u306e\u30af\u30ea\u30c3\u30af\u3092\u7121\u8996\u3059\u308b\u5b9f\u88c5<\/span><\/strong>\u3092\u63a8\u5968\u3057\u307e\u3059\u3002\u8a18\u4e8b\u5185\u306eJavaScript\u30b3\u30fc\u30c9\u4f8b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q12: WordPress\u3084React\u3067\u4f7f\u3046\u5834\u5408\u306e\u6ce8\u610f\u70b9\u306f\uff1f<\/h3>\n\n\n\n<p><strong>A:<\/strong> WordPress\u3067\u306fGutenberg\u30d6\u30ed\u30c3\u30af\u3068\u3057\u3066\u5b9f\u88c5\u53ef\u80fd\u3067\u3059\u3002React\u3067\u306f\u3001open\u5c5e\u6027\u3092\u72b6\u614b\u7ba1\u7406\u305b\u305a\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u52d5\u4f5c\u306b\u4efb\u305b\u308b\u306e\u304c\u63a8\u5968\u3067\u3059\u3002\u5236\u5fa1\u3057\u305f\u3044\u5834\u5408\u306f\u3001useRef\u3067DOM\u53c2\u7167\u3057\u3001toggle\u30a4\u30d9\u30f3\u30c8\u3092\u76e3\u8996\u3057\u3066\u304f\u3060\u3055\u3044\u3002defaultOpen\u30d7\u30ed\u30c3\u30d7\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\u958b\u9589\u72b6\u614b\u3092\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q13: \u30ab\u30b9\u30bf\u30e0\u30a2\u30a4\u30b3\u30f3\u3092\u77e2\u5370\u3067\u306f\u306a\u304f\u753b\u50cf\u306b\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>A:<\/strong> \u306f\u3044\u3001summary::after\u306b\u80cc\u666f\u753b\u50cf\u3092\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002background-image: url(icon.svg);\u3068\u3057\u3001details[open] summary::after\u3067\u5225\u753b\u50cf\u306b\u5207\u308a\u66ff\u3048\u307e\u3059\u3002SVG\u30b9\u30d7\u30e9\u30a4\u30c8\u3092\u4f7f\u7528\u3059\u308c\u3070\u3001HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002\u30a2\u30a4\u30b3\u30f3\u30d5\u30a9\u30f3\u30c8\uff08Font Awesome\u7b49\uff09\u3082\u4f7f\u7528\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q14: \u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3\u958b\u9589\u6642\u306b\u30a2\u30ca\u30ea\u30c6\u30a3\u30af\u30b9\u30a4\u30d9\u30f3\u30c8\u3092\u9001\u4fe1\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>A:<\/strong> \u306f\u3044\u3001toggle\u30a4\u30d9\u30f3\u30c8\u3092\u30ea\u30b9\u30cb\u30f3\u30b0\u3057\u3066\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>element.addEventListener(&#39;toggle&#39;, () =&gt; {\n  if (element.open) {\n    gtag(&#39;event&#39;, &#39;accordion_open&#39;, {\n      label: summaryText\n    });\n  }\n});<\/code><\/pre><\/div>\n\n\n\n<p>Google Analytics\u3001Adobe Analytics\u306a\u3069\u5404\u7a2e\u30c4\u30fc\u30eb\u306b\u5bfe\u5fdc\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q15: \u5370\u5237\u6642\u306b\u3059\u3079\u3066\u306e\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3\u3092\u5c55\u958b\u8868\u793a\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p><strong>A:<\/strong> \u306f\u3044\u3001@media print\u3067open\u5c5e\u6027\u3092\u5f37\u5236\u4ed8\u4e0e\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>@media print {\n  details {\n    display: block;\n  }\n\n  details &gt; * {\n    display: block !important;\n  }\n}<\/code><\/pre><\/div>\n\n\n\n<p>\u5370\u5237\u6642\u306f\u3059\u3079\u3066\u5c55\u958b\u72b6\u614b\u3067\u51fa\u529b\u3055\u308c\u307e\u3059\u3002summary\u306f\u898b\u51fa\u3057\u3068\u3057\u3066\u8868\u793a\u3055\u308c\u3001\u6298\u308a\u305f\u305f\u307f\u6a5f\u80fd\u306f\u7121\u52b9\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-14.48.08.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>details\u3068summary\u3063\u3066\u3053\u3093\u306a\u306b\u4fbf\u5229\u3060\u3063\u305f\u3093\u3067\u3059\u306d\uff01\u3053\u308c\u304b\u3089FAQ\u3068\u304b\u3092\u4f5c\u308b\u3068\u304d\u306b\u4f7f\u3063\u3066\u307f\u307e\u3059\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-right\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.12.07.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u30da\u30f3\u535a\u58eb<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u3058\u3083\u308d\u3046\uff1f\u6700\u8fd1\u306eHTML\u306f\u304b\u306a\u308a\u9032\u5316\u3057\u3066\u304a\u308b\u3002<br>\u4eca\u56de\u306edetails\u3068summary\u3082\u305d\u306e\u4ee3\u8868\u4f8b\u3058\u3083\u306a\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"gray\"><div class=\"c-balloon__icon -square\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2025\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-06-15-15.06.05.jpg\" alt=\"\" class=\"c-balloon__iconImg\" width=\"80px\" height=\"80px\"><span class=\"c-balloon__iconName\">\u751f\u5f92<\/span><\/div><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p><strong>\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\uff01\u3068\u3066\u3082\u52c9\u5f37\u306b\u306a\u308a\u307e\u3057\u305f\uff01<\/strong><\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001HTML\u306edetails\u3068summary\u30bf\u30b0\u3092\u6d3b\u7528\u3057\u305f\u3001\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306b\u5b8c\u5168\u5bfe\u5fdc\u3057\u305f\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3UI\u5b9f\u88c5\u3092\u5fb9\u5e95\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-big_icon_point\"><strong>\u30fbJavaScript\u306a\u3057\u3067\u52d5\u4f5c\uff1a<\/strong> \u30cd\u30a4\u30c6\u30a3\u30d6\u6a5f\u80fd\u3067\u958b\u9589\u5236\u5fa1\u3001\u8efd\u91cf\u3067\u9ad8\u901f<br><strong>\u30fbWCAG 2.1\u30ec\u30d9\u30ebAA\u6e96\u62e0\uff1a<\/strong> \u30ad\u30fc\u30dc\u30fc\u30c9\u64cd\u4f5c\u3001\u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\u5b8c\u5168\u5bfe\u5fdc<br><strong>\u30fb3\u6bb5\u968e\u306e\u5b9f\u88c5\u30ec\u30d9\u30eb\uff1a<\/strong> \u6700\u5c0f\u9650\uff08HTML\uff09 \u2192 \u30b0\u30eb\u30fc\u30d7\u5316 \u2192 \u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<br><strong>\u30fb\u5168\u30d6\u30e9\u30a6\u30b6\u5bfe\u5fdc\uff1a<\/strong> Web Animations API\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3<br><strong>\u30fbSEO\u6700\u9069\u5316\uff1a<\/strong> \u6298\u308a\u305f\u305f\u307f\u5185\u5bb9\u3082\u5b8c\u5168\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3001FAQPage schema\u3067\u30ea\u30c3\u30c1\u30ea\u30b6\u30eb\u30c8\u5bfe\u5fdc<\/p>\n\n\n\n<p><strong><span class=\"swl-marker mark_yellow\">WithCode\u3067\u5b66\u3093\u3060Web\u5236\u4f5c\u30b9\u30ad\u30eb\u306b\u3001\u30a2\u30af\u30bb\u30b7\u30d6\u30eb\u306aUI\u5b9f\u88c5\u3092\u7d44\u307f\u5408\u308f\u305b\u308c\u3070\u3001\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u512a\u3057\u3044Web\u30b5\u30a4\u30c8\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002<\/span><\/strong><\/p>\n\n\n\n<p>\u5927\u5207\u306a\u306e\u306f\u3001\u5b8c\u74a7\u3092\u76ee\u6307\u3055\u305a\u3001\u6bb5\u968e\u7684\u306b\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Week 1:<\/strong> \u57fa\u672c\u7684\u306aHTML\u5b9f\u88c5\u3067\u307e\u305a\u52d5\u304b\u3059<\/li>\n\n\n\n<li><strong>Week 2:<\/strong> CSS\u3067\u30b9\u30bf\u30a4\u30ea\u30f3\u30b0\u3001\u30d5\u30a9\u30fc\u30ab\u30b9\u8868\u793a\u3092\u8ffd\u52a0<\/li>\n\n\n\n<li><strong>Week 3:<\/strong> JavaScript\u3067\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u5b9f\u88c5<\/li>\n\n\n\n<li><strong>Week 4:<\/strong> \u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u76e3\u67fb\u3001\u5b9f\u6a5f\u30c6\u30b9\u30c8<\/li>\n<\/ol>\n\n\n\n<p>\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5bfe\u5fdc\u306f\u300c\u5f8c\u56de\u3057\u306b\u3067\u304d\u308b\u8981\u7d20\u300d\u3067\u306f\u306a\u304f\u3001<strong>\u300c<span class=\"swl-marker mark_yellow\">\u6700\u521d\u304b\u3089\u7d44\u307f\u8fbc\u3080\u3079\u304d\u57fa\u672c\u8981\u4ef6<\/span>\u300d<\/strong>\u3067\u3059\u3002details\u30fbsummary\u30bf\u30b0\u3092\u4f7f\u3048\u3070\u3001\u8ffd\u52a0\u30b3\u30b9\u30c8\u306a\u304fWCAG\u6e96\u62e0\u306e\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3UI\u304c\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u54c1\u8cea\u5411\u4e0a\u3001\u305d\u3057\u3066\u3054\u81ea\u8eab\u306e\u30b9\u30ad\u30eb\u30a2\u30c3\u30d7\u306e\u305f\u3081\u306b\u3001\u4eca\u65e5\u304b\u3089\u30a2\u30af\u30bb\u30b7\u30d6\u30eb\u306a\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3\u5b9f\u88c5\u3092\u59cb\u3081\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\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\n<div class=\"wp-block-image\">\n<figure class=\"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=\"\" class=\"wp-image-2650\"\/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">\u521d\u7d1a\u30b3\u30fc\u30b9\uff08\u00a549,800\uff09\u304c\u5b8c\u5168\u7121\u6599\u306b\uff01<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u671f\u9593\uff1a<\/strong>1\u9031\u9593<\/li>\n\n\n\n<li><strong>\u5b66\u7fd2\u5185\u5bb9\uff1a<\/strong><br>\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<br><strong><span class=\"swl-marker mark_yellow\">\u2192 \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<\/span><\/strong><\/li>\n<\/ul>\n\n\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\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\n\n<p>WithCode\u3067\u306f\u3001Web\u5236\u4f5c\u306e\u6280\u8853\u3060\u3051\u3067\u306a\u304f\u3001<strong><span class=\"swl-marker mark_yellow\">\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u5bfe\u5fdc\u3084WCAG\u6e96\u62e0\u306e\u5b9f\u88c5<\/span><\/strong>\u3082\u5b66\u3079\u308b\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\u3092\u7528\u610f\u3057\u3066\u3044\u307e\u3059\u3002\u30d7\u30ed\u3068\u3057\u3066\u6d3b\u8e8d\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u3001\u6280\u8853\u529b\u3068\u30e6\u30fc\u30b6\u30fc\u914d\u616e\u306e\u4e21\u65b9\u3092\u8eab\u306b\u3064\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/withcode.tech\/reservation\/\" style=\"background-color:#ffbf00\"><strong>\u516c\u5f0f\u30b5\u30a4\u30c8\u304b\u3089\u7121\u6599\u30ab\u30a6\u30f3\u30bb\u30ea\u30f3\u30b0\u306b\u7533\u3057\u8fbc\u3080 \u2192<\/strong><\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Web\u5236\u4f5c\u306e\u73fe\u5834\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u60a9\u307f\u3092\u62b1\u3048\u3066\u3044\u307e\u305b\u3093\u304b\uff1f \u672c\u8a18\u4e8b\u3067\u306f\u3001HTML\u306edetails\u30fbsummary\u30bf\u30b0\u3092\u6d3b\u7528\u3057\u3066\u3001JavaScript\u306a\u3057\u3067\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u306b\u5b8c\u5168\u5bfe\u5fdc\u3057\u305f\u30a2\u30b3\u30fc\u30c7\u30a3\u30aa\u30f3UI\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\u3092\u5fb9\u5e95 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":12911,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"swell_btn_cv_data":"","footnotes":""},"categories":[34,358],"tags":[37,66,68,393,394],"class_list":["post-12308","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programming","category-html","tag-programming","tag-web","tag-html","tag-details","tag-summary"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/posts\/12308","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/comments?post=12308"}],"version-history":[{"count":22,"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/posts\/12308\/revisions"}],"predecessor-version":[{"id":13214,"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/posts\/12308\/revisions\/13214"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/media\/12911"}],"wp:attachment":[{"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/media?parent=12308"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/categories?post=12308"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/withcode.tech\/media\/wp-json\/wp\/v2\/tags?post=12308"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}