{"id":12346,"date":"2026-02-02T17:18:28","date_gmt":"2026-02-02T17:18:28","guid":{"rendered":"https:\/\/withcode.tech\/media\/?p=12346"},"modified":"2026-03-19T15:15:59","modified_gmt":"2026-03-19T15:15:59","slug":"webfont_subset_performance","status":"publish","type":"post","link":"https:\/\/withcode.tech\/media\/webfont_subset_performance\/","title":{"rendered":"Web\u30d5\u30a9\u30f3\u30c8\u306e\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u3068\u6700\u9069\u5316\uff5c\u9650\u754c\u3092\u8d85\u3048\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u30c6\u30af\u30cb\u30c3\u30af\u3092\u5fb9\u5e95\u89e3\u8aac"},"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>Web\u30b5\u30a4\u30c8\u3067\u65e5\u672c\u8a9e\u306e\u30ab\u30b9\u30bf\u30e0\u30d5\u30a9\u30f3\u30c8\u3092\u4f7f\u3044\u305f\u3044\u3093\u3067\u3059\u3051\u3069\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3059\u304e\u3066\u8aad\u307f\u8fbc\u307f\u304c\u9045\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059&#8230;\u3069\u3046\u3059\u308c\u3070\u826f\u3044\u3067\u3057\u3087\u3046\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\u30c8-2025-06-15-15.11.23.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>\u3088\u30fc\u304f\u805e\u304f\u3093\u3060\u305e\uff01Web\u30d5\u30a9\u30f3\u30c8\u306e\u6700\u9069\u5316\u306b\u306f\u300c\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u300d\u304c\u975e\u5e38\u306b\u91cd\u8981\u3058\u3083\u3002\u4eca\u65e5\u306f\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u306e\u5b9f\u88c5\u65b9\u6cd5\u304b\u3089\u9650\u754c\u3001\u305d\u306e\u4ed6\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u307e\u3067\u3001\u8a73\u3057\u304f\u89e3\u8aac\u3059\u308b\u305e\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-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>\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\uff01\u3088\u308d\u3057\u304f\u304a\u9858\u3044\u3057\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\n<p>\u7f8e\u3057\u3044\u30bf\u30a4\u30dd\u30b0\u30e9\u30d5\u30a3\u306f\u3001Web\u30b5\u30a4\u30c8\u306e\u5370\u8c61\u3092\u5927\u304d\u304f\u5de6\u53f3\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u7279\u306b\u65e5\u672c\u8a9e\u30d5\u30a9\u30f3\u30c8\u306f\u6587\u5b57\u6570\u304c\u591a\u3044\u305f\u3081\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u975e\u5e38\u306b\u5927\u304d\u304f\u306a\u308a\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u306b\u6df1\u523b\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001<strong><span class=\"swl-marker mark_yellow\">Web\u30d5\u30a9\u30f3\u30c8\u306e\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u3068\u6700\u9069\u5316\u306e\u5b9f\u8df5\u7684\u306a\u624b\u6cd5<\/span><\/strong>\u306b\u3064\u3044\u3066\u3001pyftsubset\u3092\u4f7f\u3063\u305f\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u65b9\u6cd5\u3001\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u306e\u9650\u754c\u3068\u5bfe\u51e6\u6cd5\u3001font-display\u30fbpreload\u30fbWOFF2\u30fb\u53ef\u5909\u30d5\u30a9\u30f3\u30c8\u306a\u3069\u306e\u9ad8\u5ea6\u306a\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u307e\u3067\u3001\u5b9f\u88c5\u4f8b\u3092\u4ea4\u3048\u306a\u304c\u3089\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_announce\">\u300c\u5b66\u7fd2\u2192\u6848\u4ef6\u7372\u5f97\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><strong>\u83c5\u4e95<\/strong>\u3055\u3093<\/strong><br>\u5c06\u6765\u7684\u3078\u306e\u4e0d\u5b89\u3068\u5b50\u80b2\u3066\u3068\u3044\u3046\u80cc\u666f\u304b\u3089\u300c\u526f\u696d\u300d\u306b\u6311\u6226\u3057\u3088\u3046\u3068\u6c7a\u610f\u3002\u72ec\u5b66\u304b\u3089\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u5b66\u7fd2\u3092\u958b\u59cb\u3057\u3066\u3044\u305f\u304c\u3001WithCode\u306b\u51fa\u4f1a\u3044\u4f53\u9a13\u30b3\u30fc\u30b9\u3092\u53d7\u8b1b\u3002\u7d044\u30f6\u6708\u306e\u5b66\u7fd2\u306b\u53d6\u308a\u7d44\u307f\u3001\u5f53\u521d\u306e\u76ee\u6a19\u3067\u3042\u3063\u305f\u5352\u696d\u30c6\u30b9\u30c8\u5408\u683c\u3092\u5b9f\u73fe\u3057\u305f\u3002WithCode Platinum\u306b\u30663\u4ef6\u306e\u6848\u4ef6\u3092\u62c5\u5f53\u3057\u3001\u73fe\u5728\u306f\u526f\u696d\u3060\u3051\u3067\u306a\u304f\u672c\u683c\u7684\u306b\u300c\u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u300d\u3068\u3057\u3066\u5728\u5b85\u3067\u6d3b\u8e8d\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u8003\u3048\u308b\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n\n\n\n<p>\u8a73\u3057\u304f\u306f<a href=\"https:\/\/withcode.tech\/media\/interview_5\/\" title=\"\">\u3053\u3061\u3089\u306e\u8a18\u4e8b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-withcode-media wp-block-embed-withcode-media\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/withcode.tech\/media\/interview_5\/\n<\/div><\/figure>\n\n\n\n<p class=\"is-style-balloon_box2\"><strong>\u83c5\u4e95\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\">\u5e83\u544a\u7528\u9014\u3067\u306e\u65b0\u898fLP\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\/\u83c5\u4e95\u3055\u3093.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\/yourdelt\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u682a\u5f0f\u4f1a\u793eYOURDELT \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\">Web\u30d5\u30a9\u30f3\u30c8\u3068\u306f\uff1f\u57fa\u790e\u77e5\u8b58<\/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\/02\/1000006505.jpg\" alt=\"\" class=\"wp-image-12984\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/02\/1000006505.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/02\/1000006505-768x512.jpg 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<\/div>\n\n\n<p>Web\u30d5\u30a9\u30f3\u30c8\uff08Web Fonts\uff09\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u4e0a\u306b\u914d\u7f6e\u3055\u308c\u305f\u30d5\u30a9\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u30d6\u30e9\u30a6\u30b6\u304c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u8868\u793a\u3059\u308b\u6280\u8853\u3067\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u30d5\u30a9\u30f3\u30c8\u306b\u4f9d\u5b58\u305b\u305a\u3001\u30c7\u30b6\u30a4\u30ca\u30fc\u304c\u610f\u56f3\u3057\u305f\u901a\u308a\u306e\u30bf\u30a4\u30dd\u30b0\u30e9\u30d5\u30a3\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Web\u30d5\u30a9\u30f3\u30c8\u306e\u7a2e\u985e<\/h3>\n\n\n\n<p>\u4e3b\u306aWeb\u30d5\u30a9\u30f3\u30c8\u5f62\u5f0f\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5f62\u5f0f<\/th><th>\u62e1\u5f35\u5b50<\/th><th>\u7279\u5fb4<\/th><th>\u30d6\u30e9\u30a6\u30b6\u5bfe\u5fdc<\/th><\/tr><\/thead><tbody><tr><td><strong>WOFF2<\/strong><\/td><td>.woff2<\/td><td>\u6700\u9ad8\u306e\u5727\u7e2e\u7387\u3001\u6700\u65b0\u306e\u6a19\u6e96<\/td><td>Chrome 36+\u3001Firefox 39+\u3001Safari 12+<\/td><\/tr><tr><td><strong>WOFF<\/strong><\/td><td>.woff<\/td><td>\u5e83\u304f\u5bfe\u5fdc\u3001\u5727\u7e2e\u6e08\u307f<\/td><td>\u307b\u307c\u3059\u3079\u3066\u306e\u30e2\u30c0\u30f3\u30d6\u30e9\u30a6\u30b6<\/td><\/tr><tr><td><strong>TTF\/OTF<\/strong><\/td><td>.ttf\/.otf<\/td><td>\u975e\u5727\u7e2e\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u5927<\/td><td>\u3059\u3079\u3066\u306e\u30d6\u30e9\u30a6\u30b6<\/td><\/tr><tr><td><strong>EOT<\/strong><\/td><td>.eot<\/td><td>IE\u5c02\u7528\uff08\u30ec\u30ac\u30b7\u30fc\uff09<\/td><td>IE6-11\u306e\u307f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong><span class=\"swl-marker mark_yellow\">2026\u5e74\u73fe\u5728\u3001WOFF2\u304c\u6700\u3082\u63a8\u5968\u3055\u308c\u308b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/span><\/strong>\u3067\u3059\u3002\u4e3b\u8981\u30d6\u30e9\u30a6\u30b6\u306e\u30b7\u30a7\u30a298%\u4ee5\u4e0a\u304c\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001TTF\u3068\u6bd4\u8f03\u3057\u3066\u5e73\u574730-50%\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u524a\u6e1b\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Web\u30d5\u30a9\u30f3\u30c8\u306e\u57fa\u672c\u7684\u306a\u5b9f\u88c5<\/h3>\n\n\n\n<p>CSS\u306e<code>@font-face<\/code>\u30eb\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066Web\u30d5\u30a9\u30f3\u30c8\u3092\u8aad\u307f\u8fbc\u307f\u307e\u3059\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>@font-face {\n  font-family: &#39;MyCustomFont&#39;;\n  src: url(&#39;\/fonts\/mycustomfont.woff2&#39;) format(&#39;woff2&#39;),\n       url(&#39;\/fonts\/mycustomfont.woff&#39;) format(&#39;woff&#39;);\n  font-weight: 400;\n  font-style: normal;\n  font-display: swap;\n}\n\nbody {\n  font-family: &#39;MyCustomFont&#39;, sans-serif;\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\">Web\u30d5\u30a9\u30f3\u30c8\u306e\u8ab2\u984c\uff1a\u306a\u305c\u6700\u9069\u5316\u304c\u5fc5\u8981\u306a\u306e\u304b<\/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\/02\/1000006506.jpg\" alt=\"\" class=\"wp-image-12986\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/02\/1000006506.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/02\/1000006506-768x512.jpg 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<\/div>\n\n\n<p>Web\u30d5\u30a9\u30f3\u30c8\u306b\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u91cd\u5927\u306a\u8ab2\u984c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u65e5\u672c\u8a9e\u30d5\u30a9\u30f3\u30c8\u306e\u5de8\u5927\u306a\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba<\/h3>\n\n\n\n<p>\u65e5\u672c\u8a9e\u30d5\u30a9\u30f3\u30c8\u304c\u62b1\u3048\u308b\u6700\u5927\u306e\u554f\u984c\u306f\u3001<strong><span class=\"swl-marker mark_yellow\">\u5727\u5012\u7684\u306a\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba<\/span><\/strong>\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6b27\u6587\u30d5\u30a9\u30f3\u30c8<\/strong>: \u7d0450-200KB\uff08\u6570\u767e\u6587\u5b57\u306e\u307f\uff09<\/li>\n\n\n\n<li><strong>\u65e5\u672c\u8a9e\u30d5\u30a9\u30f3\u30c8<\/strong>: \u7d045-15MB\uff08\u3072\u3089\u304c\u306a\u3001\u30ab\u30bf\u30ab\u30ca\u3001\u6f22\u5b57\u6570\u5343\u6587\u5b57\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u4e00\u822c\u7684\u306a\u65e5\u672c\u8a9e\u30d5\u30a9\u30f3\u30c8\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u6587\u5b57\u304c\u542b\u307e\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3072\u3089\u304c\u306a: \u7d04100\u6587\u5b57<\/li>\n\n\n\n<li>\u30ab\u30bf\u30ab\u30ca: \u7d04100\u6587\u5b57<\/li>\n\n\n\n<li>\u6f22\u5b57\uff08JIS\u7b2c1\u6c34\u6e96\u30fb\u7b2c2\u6c34\u6e96\uff09: \u7d046,000-7,000\u6587\u5b57<\/li>\n\n\n\n<li>\u8a18\u53f7\u30fb\u6570\u5b57: \u7d04500\u6587\u5b57<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u81a8\u5927\u306a\u6587\u5b57\u6570\u306b\u3088\u308a\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5de8\u5927\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. FOIT\uff08Flash of Invisible Text\uff09\u554f\u984c<\/h3>\n\n\n\n<p>FOIT\u3068\u306f\u3001\u30d5\u30a9\u30f3\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u30c6\u30ad\u30b9\u30c8\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u73fe\u8c61\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30e6\u30fc\u30b6\u30fc\u306f\u767d\u7d19\u306e\u753b\u9762\u3092\u6570\u79d2\u9593\u898b\u308b\u3053\u3068\u306b\u306a\u308a\u3001\u4ee5\u4e0b\u306e\u554f\u984c\u304c\u767a\u751f\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u96e2\u8131\u7387\u306e\u5897\u52a0<\/strong>: \u30da\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u3068\u5224\u65ad\u3057\u3066\u96e2\u8131<\/li>\n\n\n\n<li><strong>SEO\u3078\u306e\u60aa\u5f71\u97ff<\/strong>: LCP\uff08Largest Contentful Paint\uff09\u304c\u60aa\u5316<\/li>\n\n\n\n<li><strong>\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u4f4e\u4e0b<\/strong>: \u30b9\u30af\u30ea\u30fc\u30f3\u30ea\u30fc\u30c0\u30fc\u304c\u8aad\u307f\u4e0a\u3052\u3089\u308c\u306a\u3044<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. FOUT\uff08Flash of Unstyled Text\uff09\u554f\u984c<\/h3>\n\n\n\n<p>FOUT\u306f\u3001\u30d5\u30a9\u30f3\u30c8\u8aad\u307f\u8fbc\u307f\u524d\u306b\u4ee3\u66ff\u30d5\u30a9\u30f3\u30c8\u3067\u8868\u793a\u3055\u308c\u3001\u8aad\u307f\u8fbc\u307f\u5b8c\u4e86\u5f8c\u306bWeb\u30d5\u30a9\u30f3\u30c8\u306b\u5207\u308a\u66ff\u308f\u308b\u73fe\u8c61\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u8996\u899a\u7684\u306a\u9055\u548c\u611f\u3092\u4e0e\u3048\u308b\u554f\u984c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8<\/strong>: \u30d5\u30a9\u30f3\u30c8\u30b5\u30a4\u30ba\u304c\u5909\u308f\u308a\u3001\u30da\u30fc\u30b8\u5168\u4f53\u304c\u518d\u914d\u7f6e\u3055\u308c\u308b<\/li>\n\n\n\n<li><strong>CLS\uff08Cumulative Layout Shift\uff09\u60aa\u5316<\/strong>: Core Web Vitals\u306b\u60aa\u5f71\u97ff<\/li>\n\n\n\n<li><strong>\u8aad\u307f\u3065\u3089\u3055<\/strong>: \u8aad\u3093\u3067\u3044\u308b\u6700\u4e2d\u306b\u30d5\u30a9\u30f3\u30c8\u304c\u5207\u308a\u66ff\u308f\u308b<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\u30c7\u30fc\u30bf<\/h3>\n\n\n\n<p>\u5b9f\u969b\u306eWeb\u30b5\u30a4\u30c8\u306b\u304a\u3051\u308bWeb\u30d5\u30a9\u30f3\u30c8\u306e\u5f71\u97ff\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u6642\u9593<\/strong>: 5-10MB\u306e\u30d5\u30a9\u30f3\u30c8\u30672-5\u79d2\u5897\u52a0\uff084G\u56de\u7dda\uff09<\/li>\n\n\n\n<li><strong>\u30c7\u30fc\u30bf\u8ee2\u9001\u91cf<\/strong>: \u8907\u6570\u30a6\u30a7\u30a4\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3068\u5408\u8a0820-30MB<\/li>\n\n\n\n<li><strong>\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30d6\u30ed\u30c3\u30af<\/strong>: FOIT\u306e\u5834\u5408\u3001\u6700\u59273\u79d2\u9593\u30c6\u30ad\u30b9\u30c8\u304c\u975e\u8868\u793a<\/li>\n<\/ul>\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\u30c8-2025-06-15-15.00.55.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>\u78ba\u304b\u306b\u3001\u65e5\u672c\u8a9e\u30d5\u30a9\u30f3\u30c8\u3092\u4f7f\u3063\u305f\u30b5\u30a4\u30c8\u306f\u8aad\u307f\u8fbc\u307f\u304c\u9045\u3044\u6c17\u304c\u3057\u307e\u3059&#8230;\u3053\u308c\u3092\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308b\u3093\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\u30c8-2025-06-15-15.12.07.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>\u305d\u306e\u305f\u3081\u306b\u300c\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u300d\u3068\u3044\u3046\u6280\u8853\u304c\u3042\u308b\u3093\u3058\u3083\uff01\u4f7f\u7528\u3059\u308b\u6587\u5b57\u3060\u3051\u3092\u62bd\u51fa\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u5287\u7684\u306b\u524a\u6e1b\u3067\u304d\u308b\u305e\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<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u3068\u306f\uff1f\u539f\u7406\u3068\u52b9\u679c<\/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\/02\/1000006507.jpg\" alt=\"\" class=\"wp-image-12987\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/02\/1000006507.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/02\/1000006507-768x512.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>\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u3068\u306f\u4f55\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>\u3046\u3080\u3002\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\uff08Subsetting\uff09\u3068\u306f\u3001\u30d5\u30a9\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u5fc5\u8981\u306a\u6587\u5b57\u3060\u3051\u3092\u62bd\u51fa\u3057\u3001\u4e0d\u8981\u306a\u6587\u5b57\u3092\u524a\u9664\u3059\u308b\u6280\u8853\u306e\u3053\u3068\u3058\u3083\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\">\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u306e\u539f\u7406<\/h3>\n\n\n\n<p>\u30d5\u30a9\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u3001\u30b0\u30ea\u30d5\uff08\u5b57\u5f62\uff09\u30c7\u30fc\u30bf\u304c\u30c6\u30fc\u30d6\u30eb\u5f62\u5f0f\u3067\u683c\u7d0d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u306f\u4ee5\u4e0b\u306e\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6587\u5b57\u306e\u9078\u5b9a<\/strong>: \u5b9f\u969b\u306bWeb\u30b5\u30a4\u30c8\u3067\u4f7f\u7528\u3055\u308c\u308b\u6587\u5b57\u3092\u7279\u5b9a<\/li>\n\n\n\n<li><strong>\u30b0\u30ea\u30d5\u306e\u62bd\u51fa<\/strong>: \u9078\u5b9a\u3055\u308c\u305f\u6587\u5b57\u306e\u30b0\u30ea\u30d5\u30c7\u30fc\u30bf\u306e\u307f\u3092\u62bd\u51fa<\/li>\n\n\n\n<li><strong>\u30c6\u30fc\u30d6\u30eb\u306e\u518d\u69cb\u7bc9<\/strong>: \u5fc5\u8981\u306a\u6587\u5b57\u30c6\u30fc\u30d6\u30eb\u3060\u3051\u3067\u65b0\u3057\u3044\u30d5\u30a9\u30f3\u30c8\u3092\u751f\u6210<\/li>\n\n\n\n<li><strong>\u6700\u9069\u5316<\/strong>: \u30e1\u30bf\u30c7\u30fc\u30bf\u306e\u524a\u9664\u3084\u5727\u7e2e\u3092\u5b9f\u65bd<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u306e\u52b9\u679c<\/h3>\n\n\n\n<p>\u5b9f\u969b\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u524a\u6e1b\u52b9\u679c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30d5\u30a9\u30f3\u30c8\u7a2e\u985e<\/th><th>\u5143\u306e\u30b5\u30a4\u30ba<\/th><th>\u30b5\u30d6\u30bb\u30c3\u30c8\u5f8c<\/th><th>\u524a\u6e1b\u7387<\/th><\/tr><\/thead><tbody><tr><td>\u65e5\u672c\u8a9e\uff08\u5e38\u7528\u6f22\u5b57\u306e\u307f\uff09<\/td><td>8.5 MB<\/td><td>2.1 MB<\/td><td>75%\u524a\u6e1b<\/td><\/tr><tr><td>\u65e5\u672c\u8a9e\uff08500\u6587\u5b57\u9650\u5b9a\uff09<\/td><td>8.5 MB<\/td><td>300 KB<\/td><td>96%\u524a\u6e1b<\/td><\/tr><tr><td>\u6b27\u6587\uff08\u57fa\u672c\u30e9\u30c6\u30f3\u6587\u5b57\uff09<\/td><td>150 KB<\/td><td>30 KB<\/td><td>80%\u524a\u6e1b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong><span class=\"swl-marker mark_yellow\">\u9069\u5207\u306a\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u306b\u3088\u308a\u3001\u65e5\u672c\u8a9e\u30d5\u30a9\u30f3\u30c8\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u309290%\u4ee5\u4e0a\u524a\u6e1b<\/span><\/strong>\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u306e\u6226\u7565<\/h3>\n\n\n\n<p>\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<p><strong>1. \u5e38\u7528\u6f22\u5b57\u306e\u307f\uff08\u7d042,000\u6587\u5b57\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e00\u822c\u7684\u306aWeb\u30b5\u30a4\u30c8\u306b\u5341\u5206<\/li>\n\n\n\n<li>\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba: \u7d042-3MB<\/li>\n\n\n\n<li>\u4eba\u540d\u3084\u5730\u540d\u306e\u4e00\u90e8\u304c\u8868\u793a\u3067\u304d\u306a\u3044\u53ef\u80fd\u6027<\/li>\n<\/ul>\n\n\n\n<p><strong>2. \u5b9f\u969b\u306e\u4f7f\u7528\u6587\u5b57\u306e\u307f\uff08\u6570\u767e\u6587\u5b57\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6700\u3082\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u3044<\/li>\n\n\n\n<li>\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba: \u7d04100-500KB<\/li>\n\n\n\n<li>\u52d5\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u306f\u4e0d\u5411\u304d<\/li>\n<\/ul>\n\n\n\n<p><strong>3. \u7528\u9014\u5225\u30b5\u30d6\u30bb\u30c3\u30c8\uff08\u898b\u51fa\u3057\u7528\u30fb\u672c\u6587\u7528\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u898b\u51fa\u3057\u306f\u5c11\u6570\u6587\u5b57\u306e\u30b5\u30d6\u30bb\u30c3\u30c8<\/li>\n\n\n\n<li>\u672c\u6587\u306f\u5e38\u7528\u6f22\u5b57\u30b5\u30d6\u30bb\u30c3\u30c8<\/li>\n\n\n\n<li>\u30d0\u30e9\u30f3\u30b9\u306e\u826f\u3044\u30a2\u30d7\u30ed\u30fc\u30c1<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u306e\u5b9f\u88c5\u65b9\u6cd51\uff1apyftsubset\u3092\u4f7f\u3063\u305f\u5b9f\u88c5<\/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\/02\/1000006508.jpg\" alt=\"\" class=\"wp-image-12988\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/02\/1000006508.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/02\/1000006508-768x512.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>\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\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\u307e\u305a\u306fpyftsubset\u3092\u4f7f\u3063\u305f\u65b9\u6cd5\u3058\u3083\u3002pyftsubset\u306f\u3001Google\u304c\u958b\u767a\u3057\u305f\u30d5\u30a9\u30f3\u30c8\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u30c4\u30fc\u30eb\u3067\u3001\u6700\u3082\u5f37\u529b\u3067\u67d4\u8edf\u6027\u306e\u9ad8\u3044\u30c4\u30fc\u30eb\u306a\u306e\u3058\u3083\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\">pyftsubset\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h3>\n\n\n\n<p>Python\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u7ba1\u7406\u30c4\u30fc\u30ebpip\u3092\u4f7f\u7528\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code># fonttools\uff08pyftsubset\u3092\u542b\u3080\uff09\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\npip install fonttools\n\n# Brotli\u5727\u7e2e\u30b5\u30dd\u30fc\u30c8\uff08WOFF2\u751f\u6210\u306b\u5fc5\u8981\uff09\npip install brotli<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<p>\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u304b\u3089\u5b9f\u884c\u3059\u308b\u57fa\u672c\u7684\u306a\u4f8b\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code># \u7279\u5b9a\u306e\u6587\u5b57\u3060\u3051\u3092\u62bd\u51fa\npyftsubset input.ttf \\\n  --text=&quot;\u3042\u3044\u3046\u3048\u304a\u304b\u304d\u304f\u3051\u3053&quot; \\\n  --output-file=output.woff2 \\\n  --flavor=woff2<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e38\u7528\u6f22\u5b57\u306e\u30b5\u30d6\u30bb\u30c3\u30c8\u4f5c\u6210<\/h3>\n\n\n\n<p>\u5e38\u7528\u6f22\u5b57\u30ea\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u305f\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\uff1a<\/p>\n\n\n\n<p><strong>1. \u5e38\u7528\u6f22\u5b57\u30ea\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\uff08joyo-kanji.txt\uff09\uff1a<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code># joyo-kanji.txt \u306b\u5e38\u7528\u6f22\u5b572,136\u6587\u5b57\u3092\u8a18\u8f09\n# \u3072\u3089\u304c\u306a\u3001\u30ab\u30bf\u30ab\u30ca\u3001\u57fa\u672c\u8a18\u53f7\u3082\u542b\u3081\u308b\n\u3042\u3044\u3046\u3048\u304a\u304b\u304d\u304f\u3051\u3053...\n\u30a2\u30a4\u30a6\u30a8\u30aa\u30ab\u30ad\u30af\u30b1\u30b3...\n\u4e9c\u54c0\u6328\u611b\u66d6\u60aa\u63e1...<\/code><\/pre><\/div>\n\n\n\n<p><strong>2. pyftsubset\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\uff1a<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>pyftsubset MyFont.ttf \\\n  --text-file=joyo-kanji.txt \\\n  --output-file=MyFont-subset.woff2 \\\n  --flavor=woff2 \\\n  --layout-features=&#39;*&#39; \\\n  --no-hinting<\/code><\/pre><\/div>\n\n\n\n<p><strong>\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u8aac\u660e\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>--text-file<\/code>: \u62bd\u51fa\u3059\u308b\u6587\u5b57\u3092\u542b\u3080\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb<\/li>\n\n\n\n<li><code>--flavor=woff2<\/code>: \u51fa\u529b\u5f62\u5f0f\uff08woff2\u304c\u63a8\u5968\uff09<\/li>\n\n\n\n<li><code>--layout-features='*'<\/code>: \u3059\u3079\u3066\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u6a5f\u80fd\u3092\u4fdd\u6301<\/li>\n\n\n\n<li><code>--no-hinting<\/code>: \u30d2\u30f3\u30c6\u30a3\u30f3\u30b0\u60c5\u5831\u3092\u524a\u9664\uff08\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u524a\u6e1b\uff09<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Unicode\u30ec\u30f3\u30b8\u3092\u6307\u5b9a\u3057\u305f\u30b5\u30d6\u30bb\u30c3\u30c8\u5316<\/h3>\n\n\n\n<p>\u6587\u5b57\u30b3\u30fc\u30c9\u306e\u7bc4\u56f2\u3092\u6307\u5b9a\u3057\u3066\u62bd\u51fa\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>pyftsubset MyFont.ttf \\\n  --unicodes=&quot;U+0020-007E,U+3040-309F,U+30A0-30FF,U+4E00-9FFF&quot; \\\n  --output-file=MyFont-subset.woff2 \\\n  --flavor=woff2\n\n# Unicode\u30ec\u30f3\u30b8\u306e\u8aac\u660e:\n# U+0020-007E: \u57fa\u672c\u30e9\u30c6\u30f3\u6587\u5b57\uff08\u82f1\u6570\u5b57\u30fb\u8a18\u53f7\uff09\n# U+3040-309F: \u3072\u3089\u304c\u306a\n# U+30A0-30FF: \u30ab\u30bf\u30ab\u30ca\n# U+4E00-9FFF: CJK\u7d71\u5408\u6f22\u5b57<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u8907\u6570\u30a6\u30a7\u30a4\u30c8\u306e\u4e00\u62ec\u51e6\u7406\u30b9\u30af\u30ea\u30d7\u30c8<\/h3>\n\n\n\n<p>Regular\u3001Bold\u3001Light\u306a\u3069\u8907\u6570\u306e\u30a6\u30a7\u30a4\u30c8\u3092\u4e00\u62ec\u3067\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u3059\u308bbash\u30b9\u30af\u30ea\u30d7\u30c8\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>#!\/bin\/bash\n\n# \u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u3059\u308b\u6587\u5b57\u30ea\u30b9\u30c8\nTEXT_FILE=&quot;joyo-kanji.txt&quot;\n\n# \u5165\u529b\u30d5\u30a9\u30f3\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\nINPUT_DIR=&quot;fonts-original&quot;\n\n# \u51fa\u529b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\nOUTPUT_DIR=&quot;fonts-subset&quot;\n\n# \u51fa\u529b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\nmkdir -p $OUTPUT_DIR\n\n# \u3059\u3079\u3066\u306eTTF\u30d5\u30a1\u30a4\u30eb\u3092\u51e6\u7406\nfor font in $INPUT_DIR\/*.ttf; do\n  filename=$(basename &quot;$font&quot; .ttf)\n  echo &quot;Processing $filename...&quot;\n\n  pyftsubset &quot;$font&quot; \\\n    --text-file=&quot;$TEXT_FILE&quot; \\\n    --output-file=&quot;$OUTPUT_DIR\/${filename}.woff2&quot; \\\n    --flavor=woff2 \\\n    --layout-features=&#39;*&#39; \\\n    --no-hinting \\\n    --desubroutinize\n\n  echo &quot;\u2713 Created ${filename}.woff2&quot;\ndone\n\necho &quot;All fonts processed!&quot;<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u9ad8\u5ea6\u306a\u6700\u9069\u5316\u30aa\u30d7\u30b7\u30e7\u30f3<\/h3>\n\n\n\n<p>\u3055\u3089\u306b\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u524a\u6e1b\u3059\u308b\u305f\u3081\u306e\u9ad8\u5ea6\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>pyftsubset MyFont.ttf \\\n  --text-file=joyo-kanji.txt \\\n  --output-file=MyFont-optimized.woff2 \\\n  --flavor=woff2 \\\n  --layout-features=&#39;*&#39; \\\n  --no-hinting \\\n  --desubroutinize \\\n  --name-IDs=&#39;*&#39; \\\n  --drop-tables=&#39;DSIG&#39; \\\n  --recalc-bounds \\\n  --recalc-timestamp \\\n  --canonical-order\n<\/code><\/pre><\/div>\n\n\n\n<p><strong>\u8ffd\u52a0\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u8aac\u660e\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>--desubroutinize<\/code>: \u30b5\u30d6\u30eb\u30fc\u30c1\u30f3\u3092\u5c55\u958b\uff08\u4e92\u63db\u6027\u5411\u4e0a\uff09<\/li>\n\n\n\n<li><code>--drop-tables<\/code>: \u4e0d\u8981\u306a\u30c6\u30fc\u30d6\u30eb\u3092\u524a\u9664<\/li>\n\n\n\n<li><code>--recalc-bounds<\/code>: \u30d0\u30a6\u30f3\u30c7\u30a3\u30f3\u30b0\u30dc\u30c3\u30af\u30b9\u3092\u518d\u8a08\u7b97<\/li>\n\n\n\n<li><code>--canonical-order<\/code>: \u30c6\u30fc\u30d6\u30eb\u3092\u6a19\u6e96\u9806\u5e8f\u306b\u4e26\u3079\u66ff\u3048<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u306e\u5b9f\u88c5\u65b9\u6cd52\uff1a\u30aa\u30f3\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb<\/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\/02\/1000006509.jpg\" alt=\"\" class=\"wp-image-12989\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/02\/1000006509.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/02\/1000006509-768x512.jpg 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<\/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>\u6b21\u306f\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u305f\u65b9\u6cd5\u3058\u3083\uff01\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u306b\u6163\u308c\u3066\u3044\u306a\u3044\u65b9\u306b\u306f\u3053\u3061\u3089\u306e\u65b9\u6cd5\u304c\u4fbf\u5229\u3058\u3083\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\u30c8-2025-06-15-14.48.08.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>\u30aa\u30f3\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067\u3082\u3067\u304d\u308b\u3093\u3067\u3059\u306d\uff01\u3088\u308d\u3057\u304f\u304a\u9858\u3044\u3057\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\n\n\n\n\n<h3 class=\"wp-block-heading\">1. \u30b5\u30d6\u30bb\u30c3\u30c8\u30d5\u30a9\u30f3\u30c8\u30e1\u30fc\u30ab\u30fc<\/h3>\n\n\n\n<p>URL: <a href=\"https:\/\/opentype.jp\/subsetfontmk.htm\">https:\/\/opentype.jp\/subsetfontmk.htm<\/a><\/p>\n\n\n\n<p><strong>\u7279\u5fb4\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u65e5\u672c\u8a9e\u306b\u7279\u5316\u3057\u305f\u30c4\u30fc\u30eb<\/li>\n\n\n\n<li>\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u5b8c\u7d50\uff08\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u4e0d\u8981\uff09<\/li>\n\n\n\n<li>\u5e38\u7528\u6f22\u5b57\u306a\u3069\u306e\u30d7\u30ea\u30bb\u30c3\u30c8\u3042\u308a<\/li>\n\n\n\n<li>WOFF\u3001WOFF2\u306b\u5bfe\u5fdc<\/li>\n<\/ul>\n\n\n\n<p><strong>\u4f7f\u3044\u65b9\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d5\u30a9\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u9078\u629e<\/li>\n\n\n\n<li>\u542b\u3081\u308b\u6587\u5b57\u3092\u9078\u629e\uff08\u5e38\u7528\u6f22\u5b57\u3001\u3072\u3089\u304c\u306a\u3001\u30ab\u30bf\u30ab\u30ca\u306a\u3069\uff09<\/li>\n\n\n\n<li>\u307e\u305f\u306f\u3001\u30c6\u30ad\u30b9\u30c8\u30dc\u30c3\u30af\u30b9\u306b\u4f7f\u7528\u3059\u308b\u6587\u5b57\u3092\u5165\u529b<\/li>\n\n\n\n<li>\u300c\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af<\/li>\n\n\n\n<li>\u751f\u6210\u3055\u308c\u305fWOFF2\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">2. FontForge<\/h3>\n\n\n\n<p>FontForge\u306f\u3001GUI\u30d9\u30fc\u30b9\u306e\u30d5\u30a9\u30f3\u30c8\u7de8\u96c6\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u3001\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u6a5f\u80fd\u3082\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u4f7f\u3044\u65b9\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>FontForge\u3067\u30d5\u30a9\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f<\/li>\n\n\n\n<li>\u300cElement\u300d\u2192\u300cFont Info\u300d\u2192\u300cGeneral\u300d\u3067\u8a2d\u5b9a\u78ba\u8a8d<\/li>\n\n\n\n<li>\u300cEncoding\u300d\u2192\u300cCompact\u300d\u3067\u4e0d\u8981\u306a\u6587\u5b57\u3092\u524a\u9664<\/li>\n\n\n\n<li>\u300cFile\u300d\u2192\u300cGenerate Fonts\u300d\u3067WOFF2\u3092\u9078\u629e\u3057\u3066\u4fdd\u5b58<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">3. Google Fonts\u306etext \u30d1\u30e9\u30e1\u30fc\u30bf<\/h3>\n\n\n\n<p>Google Fonts\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001URL\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u5fc5\u8981\u306a\u6587\u5b57\u3060\u3051\u3092\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>&lt;!-- \u901a\u5e38\u306eGoogle Fonts\u8aad\u307f\u8fbc\u307f\uff08\u5168\u6587\u5b57\uff09 --&gt;\n&lt;link href=&quot;https:\/\/fonts.googleapis.com\/css2?family=Noto+Sans+JP:wght@400;700&display=swap&quot; rel=&quot;stylesheet&quot;&gt;\n\n&lt;!-- text\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u7279\u5b9a\u306e\u6587\u5b57\u306e\u307f\u8aad\u307f\u8fbc\u307f --&gt;\n&lt;link href=&quot;https:\/\/fonts.googleapis.com\/css2?family=Noto+Sans+JP:wght@400;700&text=\u3042\u3044\u3046\u3048\u304a\u304b\u304d\u304f\u3051\u3053&display=swap&quot; rel=&quot;stylesheet&quot;&gt;<\/code><\/pre><\/div>\n\n\n\n<p>\u3053\u306e\u65b9\u6cd5\u306f\u3001\u898b\u51fa\u3057\u306a\u3069\u9650\u3089\u308c\u305f\u6587\u5b57\u3057\u304b\u4f7f\u308f\u306a\u3044\u5834\u5408\u306b\u975e\u5e38\u306b\u52b9\u679c\u7684\u3067\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\">\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u306e\u9650\u754c\u3068\u5bfe\u51e6\u6cd5<\/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\/02\/1000006510.jpg\" alt=\"\" class=\"wp-image-12991\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/02\/1000006510.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/02\/1000006510-768x512.jpg 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<\/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>\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u306f\u5f37\u529b\u306a\u6700\u9069\u5316\u624b\u6cd5\u3058\u3083\u304c\u3001<span class=\"swl-marker mark_yellow\">\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u9650\u754c<\/span>\u304c\u3042\u308b\u306e\u3058\u3083\u3002\u3053\u3053\u3067\u306f\u3001\u305d\u306e\u7406\u7531\u3068\u5bfe\u51e6\u6cd5\u30924\u3064\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<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>\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u306f\u4fbf\u5229\u3067\u3082\u9650\u754c\u304c\u3042\u308b\u3093\u3067\u3059\u306d\u3002<\/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\">\u9650\u754c1: \u52d5\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\u3078\u306e\u5bfe\u5fdc\u56f0\u96e3<\/h3>\n\n\n\n<p><strong>\u554f\u984c\u70b9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e6\u30fc\u30b6\u30fc\u6295\u7a3f\u30b3\u30f3\u30c6\u30f3\u30c4\uff08\u30b3\u30e1\u30f3\u30c8\u3001\u30ec\u30d3\u30e5\u30fc\uff09<\/li>\n\n\n\n<li>CMS\u3067\u7ba1\u7406\u8005\u304c\u81ea\u7531\u306b\u7de8\u96c6\u3067\u304d\u308b\u8a18\u4e8b<\/li>\n\n\n\n<li>\u5916\u90e8API\u304b\u3089\u53d6\u5f97\u3059\u308b\u52d5\u7684\u30c7\u30fc\u30bf<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306b\u306f\u3001\u30b5\u30d6\u30bb\u30c3\u30c8\u306b\u542b\u307e\u308c\u306a\u3044\u6587\u5b57\u304c\u542b\u307e\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u5bfe\u51e6\u6cd5\uff1a<\/strong><\/p>\n\n\n\n<p><strong>\u65b9\u6cd51: \u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30a2\u30d7\u30ed\u30fc\u30c1<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u898b\u51fa\u3057\u7528\uff1a\u9650\u5b9a\u30b5\u30d6\u30bb\u30c3\u30c8 *\/\n@font-face {\n  font-family: &#39;CustomFont-Heading&#39;;\n  src: url(&#39;customfont-heading-subset.woff2&#39;) format(&#39;woff2&#39;);\n  \/* \u6570\u767e\u6587\u5b57\u306e\u307f\u3001100-300KB *\/\n}\n\n\/* \u672c\u6587\u7528\uff1a\u5e38\u7528\u6f22\u5b57\u30b5\u30d6\u30bb\u30c3\u30c8 *\/\n@font-face {\n  font-family: &#39;CustomFont-Body&#39;;\n  src: url(&#39;customfont-body-joyo.woff2&#39;) format(&#39;woff2&#39;);\n  \/* \u5e38\u7528\u6f22\u5b57\u7d042,000\u6587\u5b57\u30012-3MB *\/\n}\n\n\/* \u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\uff1a\u5b8c\u5168\u7248\u307e\u305f\u306f\u30b7\u30b9\u30c6\u30e0\u30d5\u30a9\u30f3\u30c8 *\/\nh1, h2, h3 {\n  font-family: &#39;CustomFont-Heading&#39;, &#39;CustomFont-Body&#39;, sans-serif;\n}\n\np, div {\n  font-family: &#39;CustomFont-Body&#39;, sans-serif;\n}<\/code><\/pre><\/div>\n\n\n\n<p><strong>\u65b9\u6cd52: Unicode-range\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u306e\u6d3b\u7528<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>\/* \u3072\u3089\u304c\u306a\u30fb\u30ab\u30bf\u30ab\u30ca\u7528\u30b5\u30d6\u30bb\u30c3\u30c8 *\/\n@font-face {\n  font-family: &#39;CustomFont&#39;;\n  src: url(&#39;customfont-kana.woff2&#39;) format(&#39;woff2&#39;);\n  unicode-range: U+3040-309F, U+30A0-30FF;\n}\n\n\/* \u5e38\u7528\u6f22\u5b57\u7528\u30b5\u30d6\u30bb\u30c3\u30c8 *\/\n@font-face {\n  font-family: &#39;CustomFont&#39;;\n  src: url(&#39;customfont-kanji.woff2&#39;) format(&#39;woff2&#39;);\n  unicode-range: U+4E00-9FFF;\n}\n\n\/* \u82f1\u6570\u5b57\u30fb\u8a18\u53f7\u7528\u30b5\u30d6\u30bb\u30c3\u30c8 *\/\n@font-face {\n  font-family: &#39;CustomFont&#39;;\n  src: url(&#39;customfont-latin.woff2&#39;) format(&#39;woff2&#39;);\n  unicode-range: U+0020-007E;\n}\n\nbody {\n  font-family: &#39;CustomFont&#39;, sans-serif;\n}\n<\/code><\/pre><\/div>\n\n\n\n<p>\u30d6\u30e9\u30a6\u30b6\u306f\u5fc5\u8981\u306a\u6587\u5b57\u304c\u542b\u307e\u308c\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u307f\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u305f\u3081\u3001\u52b9\u7387\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9650\u754c2: \u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306e\u4e0b\u9650<\/h3>\n\n\n\n<p><strong>\u554f\u984c\u70b9\uff1a<\/strong><br>\u3069\u308c\u3060\u3051\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u3057\u3066\u3082\u3001\u30d5\u30a9\u30f3\u30c8\u306e\u69cb\u9020\u4e0a\u3001\u3042\u308b\u7a0b\u5ea6\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306f\u6b8b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6700\u5c0f\u3067\u308250-100KB\u7a0b\u5ea6<\/li>\n\n\n\n<li>\u30d5\u30a9\u30f3\u30c8\u30e1\u30bf\u30c7\u30fc\u30bf\u3001\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u306a\u3069\u306f\u524a\u9664\u4e0d\u53ef<\/li>\n<\/ul>\n\n\n\n<p><strong>\u5bfe\u51e6\u6cd5\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ef\u5909\u30d5\u30a9\u30f3\u30c8\uff08Variable Fonts\uff09\u306e\u63a1\u7528\uff1a\u8907\u6570\u30a6\u30a7\u30a4\u30c8\u30921\u30d5\u30a1\u30a4\u30eb\u306b\u7d71\u5408<\/li>\n\n\n\n<li>Critical CSS\u3068\u7d44\u307f\u5408\u308f\u305b\uff1a\u521d\u56de\u8868\u793a\u306b\u5fc5\u8981\u306a\u6587\u5b57\u306e\u307f\u512a\u5148\u8aad\u307f\u8fbc\u307f<\/li>\n\n\n\n<li>CDN\u914d\u4fe1\uff1a\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u30a8\u30c3\u30b8\u30b5\u30fc\u30d0\u30fc\u3067\u914d\u4fe1\u3092\u9ad8\u901f\u5316<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u9650\u754c3: \u591a\u8a00\u8a9e\u30b5\u30a4\u30c8\u3078\u306e\u5bfe\u5fdc<\/h3>\n\n\n\n<p><strong>\u554f\u984c\u70b9\uff1a<\/strong><br>\u65e5\u672c\u8a9e\u3001\u4e2d\u56fd\u8a9e\u3001\u97d3\u56fd\u8a9e\u3092\u540c\u6642\u306b\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3001\u305d\u308c\u305e\u308c\u306e\u30b5\u30d6\u30bb\u30c3\u30c8\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u5bfe\u51e6\u6cd5\uff1a<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;!-- \u8a00\u8a9e\u3054\u3068\u306b\u7570\u306a\u308b\u30d5\u30a9\u30f3\u30c8\u3092\u8aad\u307f\u8fbc\u307f --&gt;\n&lt;html lang=&quot;ja&quot;&gt;\n  &lt;head&gt;\n    &lt;link rel=&quot;stylesheet&quot; href=&quot;fonts-ja.css&quot;&gt;\n  &lt;\/head&gt;\n&lt;\/html&gt;\n\n&lt;html lang=&quot;zh&quot;&gt;\n  &lt;head&gt;\n    &lt;link rel=&quot;stylesheet&quot; href=&quot;fonts-zh.css&quot;&gt;\n  &lt;\/head&gt;\n&lt;\/html&gt;<\/code><\/pre><\/div>\n\n\n\n<p>\u307e\u305f\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u3067\u8a00\u8a9e\u3092\u5224\u5b9a\u3057\u3001\u52d5\u7684\u306b\u9069\u5207\u306a\u30d5\u30a9\u30f3\u30c8\u3092\u914d\u4fe1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9650\u754c4: \u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30b3\u30b9\u30c8<\/h3>\n\n\n\n<p><strong>\u554f\u984c\u70b9\uff1a<\/strong><br>\u30b3\u30f3\u30c6\u30f3\u30c4\u66f4\u65b0\u306e\u305f\u3073\u306b\u4f7f\u7528\u6587\u5b57\u3092\u78ba\u8a8d\u3057\u3001\u30b5\u30d6\u30bb\u30c3\u30c8\u3092\u518d\u751f\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u5bfe\u51e6\u6cd5\uff1a<\/strong><\/p>\n\n\n\n<p><strong>\u81ea\u52d5\u5316\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u4f5c\u6210<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>#!\/usr\/bin\/env node\nconst fs = require(&#39;fs&#39;);\nconst glob = require(&#39;glob&#39;);\nconst { exec } = require(&#39;child_process&#39;);\n\/\/ \u3059\u3079\u3066\u306eHTML\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u4f7f\u7528\u6587\u5b57\u3092\u62bd\u51fa\nconst files = glob.sync(&#39;src\/**\/*.html&#39;);\nlet usedChars = new Set();\nfiles.forEach(file =&gt; {\n  const content = fs.readFileSync(file, &#39;utf-8&#39;);\n  \/\/ \u30bf\u30b0\u3092\u9664\u53bb\u3057\u3066\u30c6\u30ad\u30b9\u30c8\u306e\u307f\u62bd\u51fa\n  const text = content.replace(\/&lt;[^&gt;]*&gt;\/g, &#39;&#39;);\n  for (let char of text) {\n    usedChars.add(char);\n  }\n});\n\/\/ \u4f7f\u7528\u6587\u5b57\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u51fa\u529b\nconst charList = Array.from(usedChars).join(&#39;&#39;);\nfs.writeFileSync(&#39;used-chars.txt&#39;, charList);\n\/\/ pyftsubset\u3092\u5b9f\u884c\nexec(`pyftsubset fonts\/original.ttf --text-file=used-chars.txt --output-file=fonts\/subset.woff2 --flavor=woff2`, (error, stdout, stderr) =&gt; {\n  if (error) {\n    console.error(`Error: ${error.message}`);\n    return;\n  }\n  console.log(&#39;\u2713 Font subset created successfully!&#39;);\n});<\/code><\/pre><\/div>\n\n\n\n<p>\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u30d3\u30eb\u30c9\u30d7\u30ed\u30bb\u30b9\u306b\u7d44\u307f\u8fbc\u3080\u3053\u3068\u3067\u3001\u81ea\u52d5\u7684\u306b\u6700\u65b0\u306e\u30b5\u30d6\u30bb\u30c3\u30c8\u304c\u751f\u6210\u3055\u308c\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\">\u305d\u306e\u4ed6\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/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\/02\/1000006511.jpg\" alt=\"\" class=\"wp-image-12992\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/02\/1000006511.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/02\/1000006511-768x512.jpg 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<\/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\u30c8-2025-06-15-15.08.37.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>\u5b9f\u306f\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u4ee5\u5916\u306b\u3082\u3001Web\u30d5\u30a9\u30f3\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u624b\u6cd5\u304c\u3042\u308b\u3002\u3053\u3053\u3067\u306f\u3001\u305d\u306e\u65b9\u6cd5\u30925\u3064\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<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\u306a\u3093\u3067\u3059\u306d\uff01\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\n\n\n\n<h3 class=\"wp-block-heading\">1. font-display\u30d7\u30ed\u30d1\u30c6\u30a3<\/h3>\n\n\n\n<p><code>font-display<\/code>\u306f\u3001\u30d5\u30a9\u30f3\u30c8\u8aad\u307f\u8fbc\u307f\u4e2d\u306e\u30c6\u30ad\u30b9\u30c8\u8868\u793a\u65b9\u6cd5\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>@font-face {\n  font-family: &#39;CustomFont&#39;;\n  src: url(&#39;customfont.woff2&#39;) format(&#39;woff2&#39;);\n  font-display: swap; \/* \u63a8\u5968\u5024 *\/\n}<\/code><\/pre><\/div>\n\n\n\n<p><strong>font-display\u306e\u5024\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>auto<\/strong>\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\uff09: \u30d6\u30e9\u30a6\u30b6\u306e\u6319\u52d5\u306b\u5f93\u3046<\/li>\n\n\n\n<li><strong>swap<\/strong>: \u5373\u5ea7\u306b\u4ee3\u66ff\u30d5\u30a9\u30f3\u30c8\u3092\u8868\u793a\u3001\u8aad\u307f\u8fbc\u307f\u5b8c\u4e86\u5f8c\u306b\u5207\u308a\u66ff\u3048\uff08\u63a8\u5968\uff09<\/li>\n\n\n\n<li><strong>block<\/strong>: \u6700\u59273\u79d2\u9593\u975e\u8868\u793a\u3001\u305d\u306e\u5f8c\u4ee3\u66ff\u30d5\u30a9\u30f3\u30c8\u3092\u8868\u793a<\/li>\n\n\n\n<li><strong>fallback<\/strong>: \u77ed\u6642\u9593\uff08\u7d04100ms\uff09\u975e\u8868\u793a\u3001\u305d\u306e\u5f8c\u4ee3\u66ff\u30d5\u30a9\u30f3\u30c8\u3092\u8868\u793a<\/li>\n\n\n\n<li><strong>optional<\/strong>: \u77ed\u6642\u9593\uff08\u7d04100ms\uff09\u5f85\u3061\u3001\u30c0\u30e1\u306a\u3089\u4ee3\u66ff\u30d5\u30a9\u30f3\u30c8\u3092\u4f7f\u7528<\/li>\n<\/ul>\n\n\n\n<p><strong>\u63a8\u5968\uff1a<code>font-display: swap<\/code><\/strong> &#8211; FOIT\u3092\u9632\u304e\u3001\u5373\u5ea7\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u8868\u793a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. preload\u3068preconnect<\/h3>\n\n\n\n<p>\u91cd\u8981\u306a\u30d5\u30a9\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u4e8b\u524d\u8aad\u307f\u8fbc\u307f\u3059\u308b\u3053\u3068\u3067\u3001\u8868\u793a\u3092\u9ad8\u901f\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;head&gt;\n  &lt;!-- \u91cd\u8981\u306a\u30d5\u30a9\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb\u3092preload --&gt;\n  &lt;link rel=&quot;preload&quot;\n        href=&quot;\/fonts\/customfont.woff2&quot;\n        as=&quot;font&quot;\n        type=&quot;font\/woff2&quot;\n        crossorigin&gt;\n\n  &lt;!-- Google Fonts\u3092\u4f7f\u3046\u5834\u5408\u306fpreconnect --&gt;\n  &lt;link rel=&quot;preconnect&quot; href=&quot;https:\/\/fonts.googleapis.com&quot;&gt;\n  &lt;link rel=&quot;preconnect&quot; href=&quot;https:\/\/fonts.gstatic.com&quot; crossorigin&gt;\n\n  &lt;link href=&quot;https:\/\/fonts.googleapis.com\/css2?family=Noto+Sans+JP:wght@400;700&display=swap&quot; rel=&quot;stylesheet&quot;&gt;\n&lt;\/head&gt;<\/code><\/pre><\/div>\n\n\n\n<p class=\"is-style-big_icon_caution\"><strong>\u6ce8\u610f\u70b9\uff1a<\/strong><br><strong>\u30fb<\/strong><code>preload<\/code>\u306f\u672c\u5f53\u306b\u91cd\u8981\u306a\u30d5\u30a9\u30f3\u30c8\uff081-2\u30d5\u30a1\u30a4\u30eb\uff09\u306e\u307f\u306b\u4f7f\u7528<br>\u30fb\u904e\u5ea6\u306apreload\u306f\u304b\u3048\u3063\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u60aa\u5316\u3055\u305b\u308b<br>\u30fb<code>crossorigin<\/code>\u5c5e\u6027\u306f\u5fc5\u9808<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u53ef\u5909\u30d5\u30a9\u30f3\u30c8\uff08Variable Fonts\uff09<\/h3>\n\n\n\n<p>\u53ef\u5909\u30d5\u30a9\u30f3\u30c8\u306f\u30011\u3064\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u8907\u6570\u306e\u30a6\u30a7\u30a4\u30c8\uff08\u592a\u3055\uff09\u3092\u542b\u3081\u3089\u308c\u308b\u65b0\u3057\u3044\u30d5\u30a9\u30f3\u30c8\u6280\u8853\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>\u5f93\u6765\u306e\u30d5\u30a9\u30f3\u30c8\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Light: 150KB<\/li>\n\n\n\n<li>Regular: 150KB<\/li>\n\n\n\n<li>Bold: 150KB<\/li>\n\n\n\n<li><strong>\u5408\u8a08: 450KB<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>\u53ef\u5909\u30d5\u30a9\u30f3\u30c8\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ef\u5909\u30d5\u30a9\u30f3\u30c8\uff08\u3059\u3079\u3066\u306e\u30a6\u30a7\u30a4\u30c8\u3092\u542b\u3080\uff09: 200KB<\/li>\n\n\n\n<li><strong>\u7d0456%\u524a\u6e1b<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>CSS\u3067\u306e\u4f7f\u7528\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>@font-face {\n  font-family: &#39;CustomVariableFont&#39;;\n  src: url(&#39;customfont-variable.woff2&#39;) format(&#39;woff2-variations&#39;);\n  font-weight: 100 900; \/* 100\u304b\u3089900\u307e\u3067\u5bfe\u5fdc *\/\n}\n\nh1 {\n  font-family: &#39;CustomVariableFont&#39;;\n  font-weight: 800; \/* \u4efb\u610f\u306e\u5024\u3092\u6307\u5b9a\u53ef\u80fd *\/\n}\n\np {\n  font-family: &#39;CustomVariableFont&#39;;\n  font-weight: 400;\n}\n\nstrong {\n  font-family: &#39;CustomVariableFont&#39;;\n  font-weight: 650; \/* \u4e2d\u9593\u7684\u306a\u592a\u3055\u3082\u6307\u5b9a\u53ef\u80fd *\/\n}<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u30d5\u30a9\u30f3\u30c8\u306e\u30ed\u30fc\u30ab\u30eb\u30c1\u30a7\u30c3\u30af<\/h3>\n\n\n\n<p>\u30e6\u30fc\u30b6\u30fc\u306ePC\u306b\u65e2\u306b\u30d5\u30a9\u30f3\u30c8\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3092\u30b9\u30ad\u30c3\u30d7\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>@font-face {\n  font-family: &#39;CustomFont&#39;;\n  src: local(&#39;Custom Font&#39;), \/* \u30ed\u30fc\u30ab\u30eb\u3092\u512a\u5148 *\/\n       local(&#39;CustomFont&#39;),\n       url(&#39;customfont.woff2&#39;) format(&#39;woff2&#39;);\n}<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">5. Service Worker\u306b\u3088\u308b\u30ad\u30e3\u30c3\u30b7\u30e5<\/h3>\n\n\n\n<p>Service Worker\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a9\u30f3\u30c8\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u30012\u56de\u76ee\u4ee5\u964d\u306e\u8a2a\u554f\u3092\u9ad8\u901f\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>\/\/ service-worker.js\nconst CACHE_NAME = &#39;font-cache-v1&#39;;\nconst FONT_FILES = [\n  &#39;\/fonts\/customfont.woff2&#39;,\n  &#39;\/fonts\/customfont-bold.woff2&#39;\n];\n\n\/\/ \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6642\u306b\u30d5\u30a9\u30f3\u30c8\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\nself.addEventListener(&#39;install&#39;, event =&gt; {\n  event.waitUntil(\n    caches.open(CACHE_NAME)\n      .then(cache =&gt; cache.addAll(FONT_FILES))\n  );\n});\n\n\/\/ \u30d5\u30a9\u30f3\u30c8\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u304b\u3089\u8fd4\u3059\nself.addEventListener(&#39;fetch&#39;, event =&gt; {\n  if (event.request.url.includes(&#39;\/fonts\/&#39;)) {\n    event.respondWith(\n      caches.match(event.request)\n        .then(response =&gt; response || fetch(event.request))\n    );\n  }\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\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8a08\u6e2c\u3068\u6539\u5584\u52b9\u679c\u306e\u78ba\u8a8d<\/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\/02\/1000006512.jpg\" alt=\"\" class=\"wp-image-12993\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/02\/1000006512.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/02\/1000006512-768x512.jpg 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<\/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>\u5b9f\u88c5\u3059\u308b\u306b\u3042\u305f\u3063\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316\u306e\u52b9\u679c\u3092\u77e5\u308b\u306b\u306f\u3001\u5b9a\u91cf\u7684\u306b\u6e2c\u5b9a\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3058\u3083\u304b\u3089\u899a\u3048\u3066\u304a\u304f\u306e\u3058\u3083\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\u30c8-2025-06-15-14.48.08.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>\u308f\u304b\u308a\u307e\u3057\u305f\uff01\u52c9\u5f37\u306b\u306a\u308a\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\n<h3 class=\"wp-block-heading\">\u8a08\u6e2c\u30c4\u30fc\u30eb<\/h3>\n\n\n\n<p><strong>1. Chrome DevTools<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Network \u30bf\u30d6\u3067\u30d5\u30a9\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb\u306e\u30b5\u30a4\u30ba\u3068\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u78ba\u8a8d<\/li>\n\n\n\n<li>Performance \u30bf\u30d6\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u3092\u5206\u6790<\/li>\n\n\n\n<li>Lighthouse \u3067Web\u30d5\u30a9\u30f3\u30c8\u306e\u6700\u9069\u5316\u30b9\u30b3\u30a2\u3092\u53d6\u5f97<\/li>\n<\/ul>\n\n\n\n<p><strong>2. WebPageTest<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b9f\u969b\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u3067\u306e\u30c6\u30b9\u30c8<\/li>\n\n\n\n<li>\u30d5\u30a9\u30f3\u30c8\u8aad\u307f\u8fbc\u307f\u306e\u30a6\u30a9\u30fc\u30bf\u30fc\u30d5\u30a9\u30fc\u30eb\u8868\u793a<\/li>\n\n\n\n<li>First Paint\u3001First Contentful Paint\u306e\u78ba\u8a8d<\/li>\n<\/ul>\n\n\n\n<p><strong>3. Google PageSpeed Insights<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Core Web Vitals\u306e\u8a55\u4fa1<\/li>\n\n\n\n<li>\u30d5\u30a9\u30f3\u30c8\u6700\u9069\u5316\u306e\u5177\u4f53\u7684\u306a\u63d0\u6848<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u6539\u5584\u52b9\u679c\u306e\u5b9f\u4f8b<\/h3>\n\n\n\n<p>\u5b9f\u969b\u306eWeb\u30b5\u30a4\u30c8\u3067\u6700\u9069\u5316\u3092\u5b9f\u65bd\u3057\u305f\u5834\u5408\u306e\u52b9\u679c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u6307\u6a19<\/th><th>\u6700\u9069\u5316\u524d<\/th><th>\u6700\u9069\u5316\u5f8c<\/th><th>\u6539\u5584\u7387<\/th><\/tr><\/thead><tbody><tr><td>\u30d5\u30a9\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba<\/td><td>9.2 MB<\/td><td>450 KB<\/td><td>95%\u524a\u6e1b<\/td><\/tr><tr><td>\u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u6642\u9593<\/td><td>5.8\u79d2<\/td><td>2.1\u79d2<\/td><td>64%\u77ed\u7e2e<\/td><\/tr><tr><td>LCP\uff084G\u56de\u7dda\uff09<\/td><td>4.2\u79d2<\/td><td>1.8\u79d2<\/td><td>57%\u6539\u5584<\/td><\/tr><tr><td>Lighthouse\u30b9\u30b3\u30a2<\/td><td>68\u70b9<\/td><td>94\u70b9<\/td><td>+26\u70b9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u5b9f\u65bd\u3057\u305f\u6700\u9069\u5316\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5e38\u7528\u6f22\u5b57\u30b5\u30d6\u30bb\u30c3\u30c8\u5316<\/li>\n\n\n\n<li>WOFF2\u5f62\u5f0f\u306e\u63a1\u7528<\/li>\n\n\n\n<li>font-display: swap \u306e\u8a2d\u5b9a<\/li>\n\n\n\n<li>preload\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u53ef\u5909\u30d5\u30a9\u30f3\u30c8\u306e\u63a1\u7528\uff083\u30a6\u30a7\u30a4\u30c8\u21921\u30d5\u30a1\u30a4\u30eb\uff09<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Web\u30d5\u30a9\u30f3\u30c8\u6700\u9069\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/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\/02\/1000006513.jpg\" alt=\"\" class=\"wp-image-12994\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/02\/1000006513.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2026\/02\/1000006513-768x512.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>Web\u30d5\u30a9\u30f3\u30c8\u306e\u5b9f\u88c5\u3092\u3046\u307e\u304f\u3084\u308b\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\u30c8-2025-06-15-15.12.07.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\u826f\u3044\u8cea\u554f\u3058\u3083\u3002\u3053\u3053\u3067\u306f\u3001<\/strong>\u3000<strong>\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\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. \u6bb5\u968e\u7684\u306a\u6700\u9069\u5316\u6226\u7565<\/h3>\n\n\n\n<p><strong>\u30d5\u30a7\u30fc\u30ba1: \u57fa\u672c\u7684\u306a\u6700\u9069\u5316\uff08\u5fc5\u9808\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>WOFF2\u5f62\u5f0f\u3092\u4f7f\u7528<\/li>\n\n\n\n<li><code>font-display: swap<\/code> \u3092\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u4f7f\u7528\u3059\u308b\u30a6\u30a7\u30a4\u30c8\u3092\u6700\u5c0f\u9650\u306b<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30d5\u30a7\u30fc\u30ba2: \u30b5\u30d6\u30bb\u30c3\u30c8\u5316\uff08\u63a8\u5968\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5e38\u7528\u6f22\u5b57\u30b5\u30d6\u30bb\u30c3\u30c8\u306e\u4f5c\u6210<\/li>\n\n\n\n<li>\u898b\u51fa\u3057\u7528\u30b5\u30d6\u30bb\u30c3\u30c8\u306e\u4f5c\u6210<\/li>\n\n\n\n<li>unicode-range\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u306e\u6d3b\u7528<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30d5\u30a7\u30fc\u30ba3: \u9ad8\u5ea6\u306a\u6700\u9069\u5316\uff08\u5927\u898f\u6a21\u30b5\u30a4\u30c8\u5411\u3051\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ef\u5909\u30d5\u30a9\u30f3\u30c8\u306e\u63a1\u7528<\/li>\n\n\n\n<li>preload\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>Service Worker\u306b\u3088\u308b\u30ad\u30e3\u30c3\u30b7\u30e5<\/li>\n\n\n\n<li>CDN\u914d\u4fe1<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u7528\u9014\u5225\u306e\u30d5\u30a9\u30f3\u30c8\u9078\u629e<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u7528\u9014<\/th><th>\u63a8\u5968\u30d5\u30a9\u30f3\u30c8<\/th><th>\u7406\u7531<\/th><\/tr><\/thead><tbody><tr><td>\u898b\u51fa\u3057<\/td><td>\u30ab\u30b9\u30bf\u30e0\u30d5\u30a9\u30f3\u30c8\uff08\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\uff09<\/td><td>\u9650\u3089\u308c\u305f\u6587\u5b57\u6570\u3001\u30d6\u30e9\u30f3\u30c7\u30a3\u30f3\u30b0\u91cd\u8996<\/td><\/tr><tr><td>\u672c\u6587<\/td><td>\u30b7\u30b9\u30c6\u30e0\u30d5\u30a9\u30f3\u30c8 or \u8efd\u91cfWeb\u30d5\u30a9\u30f3\u30c8<\/td><td>\u8aad\u307f\u3084\u3059\u3055\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u4e21\u7acb<\/td><\/tr><tr><td>UI\u8981\u7d20<\/td><td>\u30b7\u30b9\u30c6\u30e0\u30d5\u30a9\u30f3\u30c8<\/td><td>\u9ad8\u901f\u8868\u793a\u304c\u6700\u512a\u5148<\/td><\/tr><tr><td>\u30ed\u30b4<\/td><td>SVG or \u753b\u50cf<\/td><td>\u6570\u6587\u5b57\u306e\u307f\u3001\u30c7\u30b6\u30a4\u30f3\u306e\u81ea\u7531\u5ea6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u30b7\u30b9\u30c6\u30e0\u30d5\u30a9\u30f3\u30c8\u30b9\u30bf\u30c3\u30af\u306e\u6d3b\u7528<\/h3>\n\n\n\n<p>Web\u30d5\u30a9\u30f3\u30c8\u304c\u8aad\u307f\u8fbc\u307e\u308c\u306a\u3044\u5834\u5408\u306b\u5099\u3048\u3001\u9069\u5207\u306a\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u8a2d\u5b9a\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>body {\n  font-family:\n    &#39;Custom Web Font&#39;,           \/* \u30ab\u30b9\u30bf\u30e0Web\u30d5\u30a9\u30f3\u30c8 *\/\n    &#39;-apple-system&#39;,                \/* macOS\/iOS San Francisco *\/\n    &#39;BlinkMacSystemFont&#39;,           \/* macOS Chrome *\/\n    &#39;Segoe UI&#39;,                   \/* Windows *\/\n    &#39;Hiragino Sans&#39;,              \/* macOS *\/\n    &#39;Hiragino Kaku Gothic ProN&#39;,  \/* macOS (\u65e7) *\/\n    &#39;Yu Gothic&#39;,                  \/* Windows *\/\n    &#39;Meiryo&#39;,                     \/* Windows (\u65e7) *\/\n    &#39;sans-serif&#39;;                   \/* \u6c4e\u7528\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af *\/\n}<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h3>\n\n\n\n<p>Web\u30d5\u30a9\u30f3\u30c8\u5b9f\u88c5\u524d\u306e\u78ba\u8a8d\u9805\u76ee\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e9\u30a4\u30bb\u30f3\u30b9\u3092\u78ba\u8a8d\u6e08\u307f\uff08Web\u30d5\u30a9\u30f3\u30c8\u3068\u3057\u3066\u306e\u4f7f\u7528\u8a31\u53ef\uff09<\/li>\n\n\n\n<li>WOFF2\u5f62\u5f0f\u3092\u4f7f\u7528<\/li>\n\n\n\n<li>font-display: swap 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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>\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u3084\u53ef\u5909\u30d5\u30a9\u30f3\u30c8\u3001font-display\u306a\u3069\u3001\u3053\u3093\u306a\u306b\u305f\u304f\u3055\u3093\u306e\u6700\u9069\u5316\u624b\u6cd5\u304c\u3042\u308b\u3093\u3067\u3059\u306d\uff01\u5168\u90e8\u7d44\u307f\u5408\u308f\u305b\u305f\u3089\u3059\u3054\u304f\u901f\u304f\u306a\u308a\u305d\u3046\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>\u305d\u306e\u901a\u308a\u3058\u3083\uff01\u7279\u306b\u65e5\u672c\u8a9e\u30d5\u30a9\u30f3\u30c8\u306f\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3044\u304b\u3089\u3001\u9069\u5207\u306a\u6700\u9069\u5316\u304c\u5fc5\u9808\u306a\u3093\u3058\u3083\u3002\u307e\u305a\u306f\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u3068font-display: swap\u304b\u3089\u59cb\u3081\u308b\u3068\u826f\u3044\u305e\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-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>\u65e9\u901f\u5b9f\u8df5\u3057\u3066\u307f\u307e\u3059\uff01\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\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\u3001Web\u30d5\u30a9\u30f3\u30c8\u306e\u30b5\u30d6\u30bb\u30c3\u30c8\u5316\u3068\u6700\u9069\u5316\u306e\u5b9f\u8df5\u7684\u306a\u624b\u6cd5\u306b\u3064\u3044\u3066\u3001\u8a73\u3057\u304f\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 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class=\"wp-image-2650\"\/><\/figure>\n<\/div>\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u3054\u7d39\u4ecb\u3057\u305fWeb\u30d5\u30a9\u30f3\u30c8\u6700\u9069\u5316\u306e\u6280\u8853\u306f\u3001Web\u5236\u4f5c\u306e\u5b9f\u52d9\u3067\u975e\u5e38\u306b\u91cd\u8981\u306a\u30b9\u30ad\u30eb\u3067\u3059\u3002WithCode\u3067\u306f\u3001\u3053\u3046\u3057\u305f\u6700\u65b0\u6280\u8853\u3092\u542b\u3080\u5b9f\u8df5\u7684\u306aWeb\u5236\u4f5c\u30b9\u30ad\u30eb\u3092\u5b66\u3079\u308b\u74b0\u5883\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\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 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