{"id":4807,"date":"2026-01-12T19:13:52","date_gmt":"2026-01-12T10:13:52","guid":{"rendered":"https:\/\/dennie.tokyo\/it\/?p=4807"},"modified":"2026-01-14T10:49:47","modified_gmt":"2026-01-14T01:49:47","slug":"%e3%80%90css%e3%80%91polygon%e9%96%a2%e6%95%b0","status":"publish","type":"post","link":"https:\/\/dennie.tokyo\/it\/?p=4807","title":{"rendered":"\u3010CSS\u3011polygon\u95a2\u6570"},"content":{"rendered":"\n<p>polygon()\u306fCSS\u306e\u95a2\u6570\u3067\u3059\u3002\u591a\u89d2\u5f62\u3092\u63cf\u753b\u3059\u308b\u70ba\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<h1 class=\"wp-block-heading\">polygon\u95a2\u6570\u306e\u6307\u5b9a<\/h1>\n\n\n\n<p>polygon\u95a2\u6570\u306f\u56f3\u5f62\u306e\u9802\u70b9\u306e\u4f4d\u7f6e\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>polygon(X\u8ef8\u306e\u4f4d\u7f6e Y\u8ef8\u306e\u4f4d\u7f6e, X\u8ef8\u306e\u4f4d\u7f6e Y\u8ef8\u306e\u4f4d\u7f6e, X\u8ef8\u306e\u4f4d\u7f6e Y\u8ef8\u306e\u4f4d\u7f6e\u3001 .....)<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u9802\u70b9\u306e\u6307\u5b9a<\/h2>\n\n\n\n<p>polygon()\u306f\u56f3\u5f62\u306e\u9802\u70b9\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u4e09\u89d2\u5f62\u306e\u5834\u5408\u30013\u3064\u306e\u9802\u70b9\u306e\u4f4d\u7f6e\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<br>4\u89d2\u5f62\u306a\u30894\u3064\u306e\u9802\u70b9\u3068\u3044\u3046\u3088\u3046\u306b\u591a\u89d2\u5f62\u306e\u9802\u70b9\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>polygon(\u9802\u70b91, \u9802\u70b92, \u9802\u70b93, ... \u9802\u70b9N)<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f4d\u7f6e\u306e\u6307\u5b9a<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u9802\u70b9\u306e\u8d77\u70b9<\/h3>\n\n\n\n<p>\u5404\u3005\u306e\u9802\u70b9\u306b\u306f\u89aa\u8981\u7d20\u306e\u5de6\u4e0a\u3092\u8d77\u70b9( 0 x\u5ea7\u6a19\u30010 y\u5ea7\u6a19)\u3068\u3057\u305fx\u8ef8\u3001y\u8ef8\u306e\u4f4d\u7f6e\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<style>\n.box-test {\n  width: 150px;\n  height: 150px;\n  background-color: aqua;\n  position: relative;\n}\n.box-test p:nth-child(1) {\n  position: absolute;\n  top: -50px;\n  left: -10px;\n}\n\n.box-test p:nth-child(2) {\n  position: absolute;\n  top: -50px;\n  right: -40px;\n}\n\n.box-test p:nth-child(3) {\n  position: absolute;\n  bottom: -50px;\n  left: -10px;\n}\n\n.box-test p:nth-child(4) {\n  position: absolute;\n  bottom: -50px;\n  right: -40px;\n}\n<\/style>\n<div style=\"height: 200px;\">\n<div class=\"box-test\">\n    <p>0 0<\/p>\n    <p>0 100%<\/p>\n    <p>100% 0<\/p>\n    <p>100% 100%<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u5358\u4f4d<\/h3>\n\n\n\n<p>\u5358\u4f4d\u306fpx\u3001%(\u30d1\u30fc\u30bb\u30f3\u30c8)\u306a\u3069\u304c\u6307\u5b9a\u51fa\u6765\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9802\u70b9\u306e\u6570<\/h3>\n\n\n\n<p>\u4e09\u89d2\u5f62\u306e\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306bX\u3001Y\u8ef8\u306e\u4f4d\u7f6e\u30923\u3064\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>polygon(X\u8ef8\u306e\u4f4d\u7f6e Y\u8ef8\u306e\u4f4d\u7f6e, X\u8ef8\u306e\u4f4d\u7f6e Y\u8ef8\u306e\u4f4d\u7f6e, X\u8ef8\u306e\u4f4d\u7f6e Y\u8ef8\u306e\u4f4d\u7f6e)<\/code><\/pre><\/div>\n\n\n\n<h1 class=\"wp-block-heading\">\u4f8b<\/h1>\n\n\n\n<p>\u4f8b\u3068\u3057\u3066\u6b63\u4e09\u89d2\u5f62\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u306a\u304a\u3001clip-path\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>HTML<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;div class=&quot;triangle&quot;&gt;&lt;\/div&gt;<\/code><\/pre><\/div>\n\n\n\n<p><strong>CSS<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.triangle {\n  width: 100px;\n  height: 100px;\n  clip-path: polygon(50px 0, 0 100px, 100px 100px);\n  background-color: blue;\n}<\/code><\/pre><\/div>\n\n\n\n<p><strong>\u7d50\u679c<\/strong><\/p>\n\n\n\n<style>\n.triangle {\n  width: 100px;\n  height: 100px;\n  clip-path: polygon(50px 0, 0 100px, 100px 100px);\n  background-color: blue;\n}\n<\/style>\n<div class=\"triangle\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">%(\u30d1\u30fc\u30bb\u30f3\u30c8)\u6307\u5b9a<\/h2>\n\n\n\n<p>\u5148\u307b\u3069\u306fpx\u3092\u6307\u5b9a\u3057\u307e\u3057\u305f\u304c\u3001%(\u30d1\u30fc\u30bb\u30f3\u30c8)\u3082\u6307\u5b9a\u51fa\u6765\u307e\u3059\u3002%\u3092\u6307\u5b9a\u3057\u3066\u304a\u3051\u3070\u8981\u7d20\u306e\u5927\u304d\u3055\u304c\u5909\u308f\u3063\u3066\u3082\u9802\u70b9\u306e\u4f4d\u7f6e\u306e\u6307\u5b9a\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308b\u306e\u3067\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>CSS<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.triangle {\n  width: 100px;\n  height: 100px;\n  clip-path: polygon(50% 0, 0 100%, 100% 100%);\n  background-color: blue;\n}<\/code><\/pre><\/div>\n\n\n\n<p><strong>\u7d50\u679c<\/strong><\/p>\n\n\n\n<style>\n.triangle01 {\n  width: 100px;\n  height: 100px;\n  clip-path: polygon(50% 0, 0 100%, 100% 100%);\n  background-color: blue;\n}\n<\/style>\n<div class=\"triangle01\"><\/div>\n\n\n\n<h1 class=\"wp-block-heading\">\u6700\u5f8c\u306b<\/h1>\n\n\n\n<p>\u7279\u306b\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>polygon()\u306fCSS\u306e\u95a2\u6570\u3067\u3059\u3002\u591a\u89d2\u5f62\u3092\u63cf\u753b\u3059\u308b\u70ba\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":4723,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-4807","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-css"],"_links":{"self":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/4807","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4807"}],"version-history":[{"count":13,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/4807\/revisions"}],"predecessor-version":[{"id":4866,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/4807\/revisions\/4866"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/media\/4723"}],"wp:attachment":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}