{"id":5070,"date":"2026-01-22T18:42:34","date_gmt":"2026-01-22T09:42:34","guid":{"rendered":"https:\/\/dennie.tokyo\/it\/?p=5070"},"modified":"2026-01-22T18:57:20","modified_gmt":"2026-01-22T09:57:20","slug":"%e3%80%90css%e3%80%91%e8%a6%81%e7%b4%a0%e3%81%ab%e5%bd%b1%e3%82%92%e4%bd%9c%e3%82%8b","status":"publish","type":"post","link":"https:\/\/dennie.tokyo\/it\/?p=5070","title":{"rendered":"\u3010CSS\u3011\u8981\u7d20\u306b\u5f71\u3092\u4f5c\u308b"},"content":{"rendered":"\n<p>box-shadow\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u3044\u3001\u30dc\u30c3\u30af\u30b9\u8981\u7d20\u306b\u5f71\u3092\u3064\u3051\u3069\u306e\u3088\u3046\u306b\u898b\u3048\u308b\u306e\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<h1 class=\"wp-block-heading\">box-shadow\u30d7\u30ed\u30d1\u30c6\u30a3<\/h1>\n\n\n\n<p>box-shadow\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u5f71\u306e\u76f8\u5bfe\u7684\u306a\u4f4d\u7f6e\u3001\u5f71\u306e\u307c\u304b\u3057\u3001\u5f71\u306e\u9577\u3055\u3001\u5f71\u306e\u8272\u304c\u6307\u5b9a\u51fa\u6765\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>box-shadow: x\u306e\u4f4d\u7f6e y\u306e\u4f4d\u7f6e \u307c\u304b\u3057\u5177\u5408 \u5f71\u306e\u9577\u3055 \u5f71\u306e\u8272;<\/code><\/pre><\/div>\n\n\n\n<h1 class=\"wp-block-heading\">\u78ba\u8a8d<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">\u524d\u63d0<\/h2>\n\n\n\n<p>\u4ee5\u4e0b\u306eHTML\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;!-- \u30d9\u30fc\u30b9 --&gt;\n&lt;div class=&quot;box&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>.box {\n  width: 100px;\n  height: 100px;\n  background-color: aqua;\n  margin: 30px;\n}<\/code><\/pre><\/div>\n\n\n\n<p><strong>\u7d50\u679c<\/strong><\/p>\n\n\n\n<style>\n.box-base-test01 {\n  width: 100px;\n  height: 100px;\n  background-color: aqua;\n  margin: 30px;\n}\n<\/style>\n<div class=\"box-base-test01\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u5f71\u306e\u4f4d\u7f6e<\/h2>\n\n\n\n<p>x\u306e\u4f4d\u7f6e y\u306e\u4f4d\u7f6e\u306f\u5171\u306bpx\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002<br>x\u306e\u4f4d\u7f6e y\u306e\u4f4d\u7f6e\u306e\u6307\u5b9a\u306f\u5fc5\u9808\u306b\u306a\u308a\u307e\u3059\u3002\u306a\u306e\u3067\u3001x\u306e\u4f4d\u7f6e\u3060\u3051\u6307\u5b9a\u3057\u305f\u3044\u5834\u5408\u3067\u3082\u3001y\u306e\u4f4d\u7f6e\u306b\u306f0\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br>\u306a\u304a\u3001\u307c\u304b\u3057\u5177\u5408\u3001\u5f71\u306e\u9577\u3055\u3092\u6307\u5b9a\u305b\u305a\u306b\u3001\u5f71\u306e\u8272\u3092\u6307\u5b9a\u3059\u308b\u4e8b\u3082\u53ef\u80fd\u3067\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;!-- \u5f71\u306e\u65b9\u5411 --&gt;\n&lt;div class=&quot;box shadow-right-01&quot;&gt;&lt;\/div&gt;\n&lt;div class=&quot;box shadow-left-01&quot;&gt;&lt;\/div&gt;\n&lt;div class=&quot;box shadow-top-01&quot;&gt;&lt;\/div&gt;\n&lt;div class=&quot;box shadow-bottom-01&quot;&gt;&lt;\/div&gt;\n&lt;div class=&quot;box shadow-right-bottom-01&quot;&gt;&lt;\/div&gt;\n&lt;div class=&quot;box shadow-left-top-01&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>.box {\n  width: 100px;\n  height: 100px;\n  background-color: aqua;\n  margin: 30px;\n}\n\n\/* \u5f71\u306e\u65b9\u5411 *\/\n.shadow-right-01 {\n  box-shadow: 4px 0;\n}\n\n.shadow-left-01 {\n  box-shadow: -4px 0;\n}\n\n.shadow-top-01 {\n  box-shadow: 0 -4px;\n}\n\n.shadow-bottom-01 {\n  box-shadow: 0 4px;\n}\n\n.shadow-right-bottom-01 {\n  box-shadow: 4px 4px;\n}\n\n.shadow-left-top-01 {\n  box-shadow: -4px -4px;\n}<\/code><\/pre><\/div>\n\n\n\n<p><strong>\u7d50\u679c<\/strong><\/p>\n\n\n\n<style>\n.box-base-test01 {\n  width: 100px;\n  height: 100px;\n  background-color: aqua;\n  margin: 30px;\n}\n\n\/* \u5f71\u306e\u65b9\u5411 *\/\n.shadow-right-01 {\n  box-shadow: 4px 0;\n}\n\n.shadow-left-01 {\n  box-shadow: -4px 0;\n}\n\n.shadow-top-01 {\n  box-shadow: 0 -4px;\n}\n\n.shadow-bottom-01 {\n  box-shadow: 0 4px;\n}\n\n.shadow-right-bottom-01 {\n  box-shadow: 4px 4px;\n}\n\n.shadow-left-top-01 {\n  box-shadow: -4px -4px;\n}\n\n<\/style>\n<!-- \u5f71\u306e\u65b9\u5411 -->\n<div class=\"box-base-test01 shadow-right-01\"><\/div>\n<div class=\"box-base-test01 shadow-left-01\"><\/div>\n<div class=\"box-base-test01 shadow-top-01\"><\/div>\n<div class=\"box-base-test01 shadow-bottom-01\"><\/div>\n<div class=\"box-base-test01 shadow-right-bottom-01\"><\/div>\n<div class=\"box-base-test01 shadow-left-top-01\"><\/div>\n\n\n\n<h1 class=\"wp-block-heading\">\u307c\u304b\u3057\u5177\u5408<\/h1>\n\n\n\n<p>x\u306e\u4f4d\u7f6e\u3001y\u306e\u4f4d\u7f6e\u30920\u306b\u6307\u5b9a\u3059\u308b\u3068\u3001\u8981\u7d20\u306e\u4e2d\u592e(\u4e0a\u4e0b\u5de6\u53f3)\u304b\u3089\u307c\u3051\u308b\u3088\u3046\u306b\u898b\u3048\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;!-- \u5f71\u306e\u307c\u304b\u3057 --&gt;\n&lt;div class=&quot;box shadow-blur-basic-01&quot;&gt;&lt;\/div&gt;\n&lt;div class=&quot;box shadow-blur-strong-01&quot;&gt;&lt;\/div&gt;\n&lt;div class=&quot;box shadow-center-blur-strong-01&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>.box {\n  width: 100px;\n  height: 100px;\n  background-color: aqua;\n  margin: 30px;\n}\n\n\/* \u307c\u304b\u3057 *\/\n.shadow-blur-basic-01 {\n  box-shadow: 4px 4px 4px;\n}\n\n.shadow-blur-strong-01 {\n  box-shadow: 4px 4px 10px;\n}\n\n.shadow-center-blur-strong-01 {\n  box-shadow: 0 0 10px;\n}<\/code><\/pre><\/div>\n\n\n\n<p><strong>\u7d50\u679c<\/strong><\/p>\n\n\n\n<style>\n.box-base-test01 {\n  width: 100px;\n  height: 100px;\n  background-color: aqua;\n  margin: 30px;\n}\n\n\/* \u307c\u304b\u3057 *\/\n.shadow-blur-basic-01 {\n  box-shadow: 4px 4px 4px;\n}\n\n.shadow-blur-strong-01 {\n  box-shadow: 4px 4px 10px;\n}\n\n.shadow-center-blur-strong-01 {\n  box-shadow: 0 0 10px;\n}\n<\/style>\n<!-- \u5f71\u306e\u307c\u304b\u3057 -->\n<div class=\"box-base-test01 shadow-blur-basic-01\"><\/div>\n<div class=\"box-base-test01 shadow-blur-strong-01\"><\/div>\n<div class=\"box-base-test01 shadow-center-blur-strong-01\"><\/div>\n\n\n\n<h1 class=\"wp-block-heading\">\u5f71\u306e\u9577\u3055<\/h1>\n\n\n\n<p>\u307c\u304b\u3057\u5177\u5408\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307c\u304b\u3057\u306e\u9577\u3055(\u5e83\u304c\u308a)\u3092\u6307\u5b9a\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;!-- \u5e83\u304c\u308a\u306e\u7bc4\u56f2 --&gt;\n&lt;div class=&quot;box shadow-blur-spread-basic-01&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>.box {\n  width: 100px;\n  height: 100px;\n  background-color: aqua;\n  margin: 30px;\n}\n\n\/* \u5e83\u304c\u308a *\/\n.shadow-blur-spread-basic-01 {\n  box-shadow: 4px 4px 4px 4px;\n}<\/code><\/pre><\/div>\n\n\n\n<p><strong>\u7d50\u679c<\/strong><\/p>\n\n\n\n<style>\n.box-base-test01 {\n  width: 100px;\n  height: 100px;\n  background-color: aqua;\n  margin: 30px;\n}\n\n\/* \u5e83\u304c\u308a *\/\n.shadow-blur-spread-basic-01 {\n  box-shadow: 4px 4px 4px 4px;\n}\n<\/style>\n<!-- \u5e83\u304c\u308a\u306e\u7bc4\u56f2 -->\n<div class=\"box-base-test01 shadow-blur-spread-basic-01\"><\/div>\n\n\n\n<h1 class=\"wp-block-heading\">\u5f71\u306e\u8272<\/h1>\n\n\n\n<p>\u5f71\u306e\u8272\u3092\u6307\u5b9a\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;!-- \u5f71\u306e\u8272 --&gt;\n&lt;div class=&quot;box shadow-color-basic-01&quot;&gt;&lt;\/div&gt;\n&lt;div class=&quot;box shadow-color-blur-01&quot;&gt;&lt;\/div&gt;\n&lt;div class=&quot;box shadow-color-blur-spread-01&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>.box {\n  width: 100px;\n  height: 100px;\n  background-color: aqua;\n  margin: 30px;\n}\n\n\/* \u5f71\u306e\u8272 *\/\n.shadow-color-basic-01 {\n  box-shadow: 4px 4px #FF66FF;\n}\n\n.shadow-color-blur-01 {\n  box-shadow: 4px 4px 10px #FF66FF;\n}\n\n.shadow-color-blur-spread-01 {\n  box-shadow: 4px 4px 10px 4px #FF66FF;\n}<\/code><\/pre><\/div>\n\n\n\n<p><strong>\u7d50\u679c<\/strong><\/p>\n\n\n\n<style>\n.box-base-test01 {\n  width: 100px;\n  height: 100px;\n  background-color: aqua;\n  margin: 30px;\n}\n\n\/* \u5f71\u306e\u8272 *\/\n.shadow-color-basic-01 {\n  box-shadow: 4px 4px #FF66FF;\n}\n\n.shadow-color-blur-01 {\n  box-shadow: 4px 4px 10px #FF66FF;\n}\n\n.shadow-color-blur-spread-01 {\n  box-shadow: 4px 4px 10px 4px #FF66FF;\n}\n<\/style>\n<!-- \u5f71\u306e\u8272 -->\n<div class=\"box-base-test01 shadow-color-basic-01\"><\/div>\n<div class=\"box-base-test01 shadow-color-blur-01\"><\/div>\n<div class=\"box-base-test01 shadow-color-blur-spread-01\"><\/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>box-shadow\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u3044\u3001\u30dc\u30c3\u30af\u30b9\u8981\u7d20\u306b\u5f71\u3092\u3064\u3051\u3069\u306e\u3088\u3046\u306b\u898b\u3048\u308b\u306e\u304b\u78ba\u8a8d\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-5070","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\/5070","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=5070"}],"version-history":[{"count":5,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/5070\/revisions"}],"predecessor-version":[{"id":5075,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/5070\/revisions\/5075"}],"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=5070"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5070"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5070"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}