{"id":4634,"date":"2025-12-26T10:27:29","date_gmt":"2025-12-26T01:27:29","guid":{"rendered":"https:\/\/dennie.tokyo\/it\/?p=4634"},"modified":"2026-01-05T19:58:58","modified_gmt":"2026-01-05T10:58:58","slug":"%e3%83%8f%e3%83%b3%e3%83%90%e3%83%bc%e3%82%ac%e3%83%bc%e3%82%a2%e3%82%a4%e3%82%b3%e3%83%b3","status":"publish","type":"post","link":"https:\/\/dennie.tokyo\/it\/?p=4634","title":{"rendered":"\u30cf\u30f3\u30d0\u30fc\u30ac\u30fc\u30a2\u30a4\u30b3\u30f3"},"content":{"rendered":"\n<p>\u524d\u56de\u306fspan\u30bf\u30b0\u3092\u4f7f\u7528\u3057\u3066 CSS \u3067\u7dda\u3092\u5f15\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<div class=\"title_box\"><span class=\"box-title\">\u524d\u56de<\/span>\n<p><a href=\"https:\/\/dennie.tokyo\/it\/?p=4628\" rel=\"noopener\" target=\"_blank\">span\u30bf\u30b0\u3067\u7dda\u3092\u5f15\u304f\n<\/a><\/p>\n<\/div>\n\n\n\n<p>\u4eca\u56de\u306f\u3053\u308c\u3092\u4f7f\u7528\u3057\u30663\u672c\u7dda\u306e\u30cf\u30f3\u30d0\u30fc\u30ac\u30fc\u30a2\u30a4\u30b3\u30f3\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<br>\u30cf\u30f3\u30d0\u30fc\u30ac\u30fc\u30a2\u30a4\u30b3\u30f3\u306e\u898b\u305f\u76ee\u306f\u3053\u3093\u306a\u611f\u3058\u3067\u3059\u3002<\/p>\n\n\n\n<style>\n.box_test {\n  position: relative;\n  width: 50px;\n  height: 34px;\n}\n\n.box_test span {\n  position: absolute;\n  width: 100%;\n  height: 4px;\n  background-color: black;\n}\n\n.box_test span:nth-child(1) {\n  top: 0;\n}\n\n.box_test span:nth-child(2) {\n  top: 15px;\n}\n\n.box_test span:nth-child(3) {\n  bottom: 0;\n}\n<\/style>\n<div class=\"box_test\">\n        <span> <\/span>\n        <span> <\/span>\n        <span> <\/span>\n<\/div>\n\n\n\n<h1 class=\"wp-block-heading\">HTML<\/h1>\n\n\n\n<p>span\u30bf\u30b0\u30923\u3064\u7528\u610f\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;div class=&quot;box&quot;&gt;\n        &lt;span&gt; &lt;\/span&gt;\n        &lt;span&gt; &lt;\/span&gt;\n        &lt;span&gt; &lt;\/span&gt;\n    &lt;\/div&gt;<\/code><\/pre><\/div>\n\n\n\n<h1 class=\"wp-block-heading\">CSS<\/h1>\n\n\n\n<p>css\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.box {\n  position: relative;\n  width: 50px;\n  height: 34px;\n}\n\n.box span {\n  position: absolute;\n  width: 100%;\n  height: 4px;\n  background-color: black;\n}\n\n.box span:nth-child(1) {\n  top: 0;\n}\n\n.box span:nth-child(2) {\n  top: 15px;\n}\n\n.box span:nth-child(3) {\n  bottom: 0;\n}<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u8aac\u660e<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">nth-child<\/h3>\n\n\n\n<p>\u64ec\u4f3c\u30af\u30e9\u30b9\u3067\u3042\u308b nth-child \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<br>nth-child \u306f\u4f55\u756a\u76ee\u306e\u8981\u7d20\u304b\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<br>\u4eca\u56de\u306f1\u756a\u76ee\u301c3\u756a\u76ee\u306espan\u30bf\u30b0\u3078\u7dda\u306e\u4f4d\u7f6e\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">box\u30af\u30e9\u30b9\u306eheight<\/h3>\n\n\n\n<p>height \u304c 34px \u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br>span\u30bf\u30b0\u306e height \u304c 4px \u306a\u306e\u3067\u3001box\u30af\u30e9\u30b9\u306e height \u3092 30px + 4px \u3067 34px \u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u7d50\u679c<\/h1>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a3\u672c\u7dda\u304c\u5f15\u3051\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<style>\n.box_test {\n  position: relative;\n  width: 50px;\n  height: 34px;\n}\n\n.box_test span {\n  position: absolute;\n  width: 100%;\n  height: 4px;\n  background-color: black;\n}\n\n.box_test span:nth-child(1) {\n  top: 0;\n}\n\n.box_test span:nth-child(2) {\n  top: 15px;\n}\n\n.box_test span:nth-child(3) {\n  bottom: 0;\n}\n<\/style>\n<div class=\"box_test\">\n        <span> <\/span>\n        <span> <\/span>\n        <span> <\/span>\n<\/div>\n\n\n\n<h1 class=\"wp-block-heading\">\u6700\u5f8c\u306b<\/h1>\n\n\n\n<p>\u30cf\u30f3\u30d0\u30fc\u30ac\u30fc\u30a2\u30a4\u30b3\u30f3\u3092\u4f5c\u6210\u3057\u305f\u3060\u3051\u3067\u306f\u5229\u7528\u4fa1\u5024\u306f\u306a\u3044\u306e\u3067\u3001\u6b21\u56de\u306f\u30cf\u30f3\u30d0\u30fc\u30ac\u30fc\u30a2\u30a4\u30b3\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u30a2\u30a4\u30b3\u30f3\u3092\u5909\u5316\u3055\u305b\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"title_box\"><span class=\"box-title\">\u6b21\u56de<\/span>\n<p><a href=\"https:\/\/dennie.tokyo\/it\/?p=4667\" rel=\"noopener\" target=\"_blank\">\u30cf\u30f3\u30d0\u30fc\u30ac\u30fc\u30a2\u30a4\u30b3\u30f3\u306e\u52d5\u4f5c\n<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u56de\u306fspan\u30bf\u30b0\u3092\u4f7f\u7528\u3057\u3066 CSS \u3067\u7dda\u3092\u5f15\u304d\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"author":1,"featured_media":4723,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,10],"tags":[],"class_list":["post-4634","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-css","category-html"],"_links":{"self":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/4634","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=4634"}],"version-history":[{"count":10,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/4634\/revisions"}],"predecessor-version":[{"id":4719,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/4634\/revisions\/4719"}],"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=4634"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4634"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}