{"id":24656,"date":"2025-10-23T17:40:10","date_gmt":"2025-10-23T08:40:10","guid":{"rendered":"https:\/\/www.qam-web.com\/?p=24656"},"modified":"2025-10-23T17:40:10","modified_gmt":"2025-10-23T08:40:10","slug":"%e3%80%90css%e3%80%91max-font-size%e3%81%a8min-font-size%e3%82%92%e8%a7%a3%e8%aa%ac","status":"publish","type":"post","link":"https:\/\/www.qam-web.com\/?p=24656","title":{"rendered":"\u3010CSS\u3011max-font-size\u3068min-font-size\u3092\u89e3\u8aac"},"content":{"rendered":"<p>\u8fd1\u5e74\u306eWeb\u30b5\u30a4\u30c8\u3067\u306f\u5f53\u305f\u308a\u524d\u306b\u306a\u3063\u3066\u304d\u305f\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc\u3002<br \/>\n\u30b9\u30de\u30db\u3067\u306f\u5c0f\u3055\u3059\u304e\u305a\u3001PC\u3067\u306f\u5927\u304d\u3059\u304e\u306a\u3044\u3002<br \/>\n\u305d\u3093\u306a\u7406\u60f3\u306e\u6587\u5b57\u30b5\u30a4\u30ba\u3092CSS\u3060\u3051\u3067\u5b9f\u73fe\u3067\u304d\u308b\u306e\u304c\u3001\u300cmax-font-size\u300d\u3068\u300cmin-font-size\u300d\u3067\u3059\u3002<br \/>\n\u3053\u306e\u8a18\u4e8b\u3092\u898b\u308c\u3070\u8ab0\u3067\u3082\u7c21\u5358\u306bmax-font-size \u3068 min-font-size\u3067\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3 class=\"h03\">\u305d\u3082\u305d\u3082 max-font-size\u30fbmin-font-size \u3068\u306f\uff1f<\/h3>\n<h4 class=\"h04\">min-font-size<\/h4>\n<p>\u8981\u7d20\u306e\u30d5\u30a9\u30f3\u30c8\u30b5\u30a4\u30ba\u306e\u300c\u4e0b\u9650\u300d\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<br \/>\n\u3069\u308c\u3060\u3051\u753b\u9762\u304c\u5c0f\u3055\u304f\u306a\u3063\u3066\u3082\u3001\u3053\u308c\u4ee5\u4e0b\u306b\u306f\u5c0f\u3055\u304f\u306a\u3089\u306a\u3044\u3088\u3046\u306b\u56fa\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\np {\r\nfont-size: 3vw;\r\nmin-font-size: 16px;\r\n}\r\n<\/pre>\n<p>\u4e0a\u8a18\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3059\u308b\u3068\u30013vw \u3067\u5c0f\u3055\u3044\u753b\u9762\u3067\u306f\u6587\u5b57\u304c\u3069\u3093\u3069\u3093\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u304c\u300116px\u3088\u308a\u306f\u5c0f\u3055\u304f\u306a\u3089\u306a\u3044\u3068\u3044\u3046\u6319\u52d5\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h4 class=\"h04\">max-font-size<\/h4>\n<p>\u3053\u3061\u3089\u306f\u9006\u306b\u3001\u300c\u4e0a\u9650\u300d\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<br \/>\n\u5927\u304d\u306a\u30e2\u30cb\u30bf\u30fc\u3067\u6587\u5b57\u304c\u5de8\u5927\u5316\u3057\u3059\u304e\u308b\u306e\u3092\u9632\u3052\u307e\u3059\u3002<\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\nh1 {\r\nfont-size: 5vw;\r\nmax-font-size: 48px;\r\n}\r\n<\/pre>\n<p>\u2192 \u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u5e83\u304f\u306a\u3063\u3066\u308248px\u3092\u8d85\u3048\u307e\u305b\u3093\u3002<br \/>\n\u3064\u307e\u308a\u300c\u62e1\u5927\u3057\u3059\u304e\u9632\u6b62\u300d\u3067\u3059\u3002<\/p>\n<h3 class=\"h03\">\u5b9f\u969b\u306b\u3088\u304f\u4f7f\u308f\u308c\u308b\u30d1\u30bf\u30fc\u30f3\uff1aclamp()\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/h3>\n<p>min-font-size \/ max-font-size \u306f\u65b0\u3057\u3044\u4ed5\u69d8\u306e\u305f\u3081\u3001\u73fe\u6642\u70b9\u3067\u306f\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u304c\u9650\u3089\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u305d\u3053\u3067\u73fe\u5834\u3067\u306f\u3088\u308a\u5b89\u5b9a\u3057\u305f clamp() \u95a2\u6570 \u304c\u3088\u304f\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\nh2 {\r\nfont-size: clamp(16px, 2vw, 32px);\r\n}\r\n<\/pre>\n<p>\u3053\u306e1\u884c\u3067\u2026<\/p>\n<ul class=\"ul_disc\">\n<li>\u6700\u5c0f\uff1a16px<\/li>\n<li>\u63a8\u5968\uff1a2vw\uff08\u753b\u9762\u5e45\u306b\u5fdc\u3058\u3066\u5909\u5316\uff09<\/li>\n<li>\u6700\u5927\uff1a32px<\/li>\n<\/ul>\n<p>\u3068\u3044\u3046\u6307\u5b9a\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u3064\u307e\u308a\u300cmin-font-size\u300d\u3068\u300cmax-font-size\u300d\u3092\u3072\u3068\u307e\u3068\u3081\u306b\u3057\u305f\u3088\u3046\u306a\u6307\u5b9a\u3067\u3059\u3002<\/p>\n<table style=\"border-collapse: collapse;text-align: center;width: 100%\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<tbody>\n<tr>\n<td>\u30d7\u30ed\u30d1\u30c6\u30a3<\/td>\n<td>Chrome<\/td>\n<td>Safari<\/td>\n<td>Firefox<\/td>\n<td>Edge<\/td>\n<\/tr>\n<tr>\n<td>min-font-size<\/td>\n<td>128\u4ee5\u964d\u25cb<\/td>\n<td>17\u4ee5\u964d\u25cb<\/td>\n<td>\u672a\u5bfe\u5fdc<\/td>\n<td>\u25cb<\/td>\n<\/tr>\n<tr>\n<td>min-font-size<\/td>\n<td>128\u4ee5\u964d\u25cb<\/td>\n<td>17\u4ee5\u964d\u25cb<\/td>\n<td>\u672a\u5bfe\u5fdc<\/td>\n<td>\u25cb<\/td>\n<\/tr>\n<tr>\n<td>clamp()<\/td>\n<td>\u25cb<\/td>\n<td>\u25cb<\/td>\n<td>\u25cb<\/td>\n<td>\u25cb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Safari\u3084Chrome\u306f\u5bfe\u5fdc\u304c\u9032\u3093\u3067\u3044\u307e\u3059\u304c\u3001Firefox\u3067\u306f\u307e\u3060\u672a\u5bfe\u5fdc\u306e\u305f\u3081\u3001<br \/>\n\u73fe\u5834\u3067\u306f clamp() \u306e\u5229\u7528\u304c\u6700\u3082\u5b89\u5168\u3067\u3059\u3002<\/p>\n<h3 class=\"h03\">\u5b9f\u8df5\u4f8b\uff1a\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u898b\u51fa\u3057\u3067\u306e\u4f7f\u3044\u5206\u3051<\/h3>\n<p>\u30b9\u30de\u30db\u301cPC\u3067\u81ea\u7136\u306b\u6587\u5b57\u304c\u4f38\u3073\u7e2e\u307f\u3059\u308b\u30bf\u30a4\u30c8\u30eb<\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\n.hero-title {\r\n  font-size: clamp(20px, 4vw, 48px);\r\n  font-weight: 700;\r\n}\r\n<\/pre>\n<table style=\"border-collapse: collapse;text-align: center;width: 100%\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<tbody>\n<tr>\n<td>\u753b\u9762\u5e45<\/td>\n<td>\u5b9f\u969b\u306e\u30b5\u30a4\u30ba<\/td>\n<\/tr>\n<tr>\n<td>375px<\/td>\n<td>\u7d0420px<\/td>\n<\/tr>\n<tr>\n<td>768px<\/td>\n<td>\u7d0430px<\/td>\n<\/tr>\n<tr>\n<td>1920px<\/td>\n<td>48px\u56fa\u5b9a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u2192 \u5c0f\u3055\u3044\u753b\u9762\u3067\u3082\u8aad\u307f\u3084\u3059\u304f\u3001\u5927\u753b\u9762\u3067\u306f\u8feb\u529b\u304c\u51fa\u308b\u7406\u60f3\u7684\u306a\u6319\u52d5\u3002<\/p>\n<h3 class=\"h03\">\u6ce8\u610f\u70b9\uff1a\u5358\u4f4d\u3068\u7d99\u627f\u306e\u7f60<\/h3>\n<ol>\n<li>\u5358\u4f4d\u306f\u6df7\u5728\u3055\u305b\u3066\u3082OK\u3060\u304c\u3001\u610f\u56f3\u3092\u6301\u3064<br \/>\nfont-size: clamp(1rem, 2vw, 2.5rem);<br \/>\n\u2192 \u6700\u5c0f\u30fb\u6700\u5927\u306f\u56fa\u5b9a\u3001\u4e2d\u592e\u306f\u6d41\u52d5\u3002\n<\/li>\n<li>\u89aa\u8981\u7d20\u306e\u30d5\u30a9\u30f3\u30c8\u30b5\u30a4\u30ba\u306e\u5f71\u97ff\u306b\u6ce8\u610f<br \/>\n\u76f8\u5bfe\u5358\u4f4d\uff08em\u3084rem\uff09\u3092\u4f7f\u3046\u3068\u304d\u306f\u3001\u89aa\u8981\u7d20\u306e\u57fa\u6e96\u5024\u3092\u610f\u8b58\u3057\u307e\u3057\u3087\u3046\u3002\n<\/li>\n<li>\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u3068\u306e\u91cd\u8907\u6307\u5b9a\u306f\u907f\u3051\u308b<br \/>\nclamp()\u3092\u4f7f\u3046\u3068\u3001@media\u6307\u5b9a\u3092\u6e1b\u3089\u305b\u3066\u30b3\u30fc\u30c9\u304c\u30b9\u30c3\u30ad\u30ea\u3057\u307e\u3059\u3002\n<\/li>\n<\/ol>\n<h3 class=\"h03\">\u30c7\u30b6\u30a4\u30f3\u7684\u306a\u30e1\u30ea\u30c3\u30c8<\/h3>\n<ul class=\"ul_disc\">\n<li>\u30bf\u30a4\u30c8\u30eb\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u753b\u9762\u5e45\u306b\u5fdc\u3058\u3066\u5e38\u306b\u6700\u9069<\/li>\n<li>\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6CSS\u304c\u7c21\u6f54\u306b\u306a\u308b<\/li>\n<li>\u884c\u9593\u30fb\u4f59\u767d\u3082\u30b9\u30b1\u30fc\u30eb\u3057\u3084\u3059\u3044<\/li>\n<li>Figma\u3067\u306e\u53ef\u5909\u30d5\u30a9\u30f3\u30c8\u8a2d\u8a08\u306b\u8fd1\u3044\u6319\u52d5\u3092CSS\u3067\u518d\u73fe\u53ef\u80fd<\/li>\n<\/ul>\n<h3 class=\"h03\">\u307e\u3068\u3081\uff1a\u4eca\u5f8c\u306f\u300cclamp()\uff0bmin\/max-font-size\u300d\u304c\u4e3b\u6d41\u306b<\/h3>\n<table style=\"border-collapse: collapse;text-align: center;width: 100%\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<tbody>\n<tr>\n<td><\/td>\n<td>\u30e1\u30ea\u30c3\u30c8<\/td>\n<td>\u5bfe\u5fdc<\/td>\n<\/tr>\n<tr>\n<td>clamp()<\/td>\n<td>\u5b89\u5b9a\u3057\u3066\u53ef\u5909\u30fb\u5168\u30d6\u30e9\u30a6\u30b6\u5bfe\u5fdc<\/td>\n<td>\u25ce<\/td>\n<\/tr>\n<tr>\n<td>min\/max-font-size<\/td>\n<td>\u610f\u56f3\u304c\u660e\u78ba\u30fb\u53ef\u8aad\u6027\u9ad8\u3044<\/td>\n<td>\u25ef\uff08\u4eca\u5f8c\u4e3b\u6d41\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea<\/td>\n<td>\u7d30\u304b\u3044\u5236\u5fa1\u304c\u3067\u304d\u308b<\/td>\n<td>\u25b3\uff08\u5197\u9577\u306b\u306a\u308a\u3084\u3059\u3044\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 class=\"h03\">\u3055\u3044\u3054\u306b<\/h3>\n<p>\u6587\u5b57\u306e\u30b9\u30b1\u30fc\u30eb\u3092\u6b63\u3057\u304f\u5236\u5fa1\u3067\u304d\u308b\u3068\u3001\u30c7\u30b6\u30a4\u30f3\u54c1\u8cea\u3068\u53ef\u8aad\u6027\u304c\u683c\u6bb5\u306b\u4e0a\u304c\u308a\u307e\u3059\u3002\u3053\u308c\u304b\u3089\u306eWeb\u5236\u4f5c\u3067\u306f\u300c\u6d41\u52d5\u7684\u306a\u6587\u5b57\u8a2d\u8a08\u300d\u304c\u4e00\u822c\u7684\u306b\u306a\u3063\u3066\u3044\u304f\u3053\u3068\u3092\u8003\u616e\u3057\u3066\u3001\u65e9\u3081\u306bclamp()\uff0bmin\/max-font-size\u306e\u4f7f\u7528\u65b9\u6cd5\u3092\u63b4\u3093\u3067\u304a\u304f\u3068\u3001\u4ed6\u306e\u5236\u4f5c\u8005\u3088\u308a\u4e00\u6b69\u5148\u306b\u51fa\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u307e\u3060\u4f7f\u3063\u305f\u3053\u3068\u306e\u306a\u304b\u3063\u305f\u65b9\u306f\u3001\u307e\u305a\u306f\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd1\u5e74\u306eWeb\u30b5\u30a4\u30c8\u3067\u306f\u5f53\u305f\u308a\u524d\u306b\u306a\u3063\u3066\u304d\u305f\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc\u3002 \u30b9\u30de\u30db\u3067\u306f\u5c0f\u3055\u3059\u304e\u305a\u3001PC\u3067\u306f\u5927\u304d\u3059\u304e\u306a\u3044\u3002 \u305d\u3093\u306a\u7406\u60f3\u306e\u6587\u5b57\u30b5\u30a4\u30ba\u3092CSS\u3060\u3051\u3067\u5b9f\u73fe\u3067\u304d\u308b\u306e\u304c\u3001\u300cmax-font-size\u300d\u3068\u300cmin-font-siz [&hellip;]<\/p>\n","protected":false},"author":101026,"featured_media":24676,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[266,12],"tags":[],"class_list":["post-24656","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-css-markup","category-markup"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u8fd1\u5e74\u306eWeb\u30b5\u30a4\u30c8\u3067\u306f\u5f53\u305f\u308a\u524d\u306b\u306a\u3063\u3066\u304d\u305f\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc\u3002 \u30b9\u30de\u30db\u3067\u306f\u5c0f\u3055\u3059\u304e\u305a\u3001PC\u3067\u306f\u5927\u304d\u3059\u304e\u306a\u3044\u3002\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"\u3055\u3059\u3051\"\/>\n\t<link rel=\"canonical\" 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