{"id":971,"date":"2024-02-16T05:33:14","date_gmt":"2024-02-16T05:33:14","guid":{"rendered":"https:\/\/withcode.tech\/media\/?p=971"},"modified":"2026-01-03T05:47:59","modified_gmt":"2026-01-03T05:47:59","slug":"css_outline_explaining","status":"publish","type":"post","link":"https:\/\/withcode.tech\/media\/css_outline_explaining\/","title":{"rendered":"\u3010\u521d\u5fc3\u8005\u5fc5\u898b\u3011\u4eca\u3055\u3089\u805e\u3051\u306a\u3044\uff01CSS\u3068\u306f\uff1fHTML\u3068\u306e\u9055\u3044\u304b\u3089\u4f7f\u3044\u65b9\u307e\u3067\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\u30c8-2025-06-15-15.00.55.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>\u30da\u30f3\u535a\u58eb\uff01HTML\u306f\u5c11\u3057\u308f\u304b\u3063\u3066\u304d\u305f\u3093\u3067\u3059\u3051\u3069\u3001\u3088\u304f\u300eCSS\u300f\u3063\u3066\u8a00\u8449\u3082\u805e\u304f\u3093\u3067\u3059\u3002\u3053\u308c\u3063\u3066\u4f55\u306a\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\u30c8-2025-06-15-15.08.37.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>\u304a\u3001\u3044\u3044\u3068\u3053\u308d\u306b\u6c17\u3065\u3044\u305f\u3002CSS\u306f\u3001Web\u30da\u30fc\u30b8\u306e\u898b\u305f\u76ee\u3092\u6574\u3048\u308b\u305f\u3081\u306b\u4f7f\u3046\u201c\u304a\u3057\u3083\u308c\u62c5\u5f53\u201d\u306e\u8a00\u8a9e\u306a\u3093\u3058\u3083\u3002\u8a73\u3057\u304f\u89e3\u8aac\u3059\u308b\u304b\u3089\u3088\u30fc\u304f\u805e\u304f\u3093\u3058\u3083\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>\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\uff01\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 class=\"is-style-icon_announce\">\u300c\u5b66\u7fd2\u2192\u53ce\u5165\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>O.Y\u3055\u3093<\/strong><br>\u5b50\u80b2\u3066\u3068\u4e21\u7acb\u3067\u304d\u308b\u50cd\u304d\u65b9\u3092\u76ee\u6307\u3057\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u5b66\u7fd2\u3092\u958b\u59cb\u3059\u308b\u3002\u72ec\u5b66\u3067\u306e\u5b66\u7fd2\u306b\u9650\u754c\u3092\u611f\u3058\u3001WithCode\u306e\u526f\u696d\u30b3\u30fc\u30b9\u306e\u53d7\u8b1b\u3092\u6c7a\u610f\u3002\u6700\u7d42\u76ee\u6a19\u304b\u3089\u9006\u7b97\u3057\u305f\u5b66\u7fd2\u8a08\u753b\u306e\u3082\u3068\u30b9\u30ad\u30eb\u3092\u7fd2\u5f97\u3057\u3001\u5352\u696d\u5f8c\u306b\u521d\u6848\u4ef6\u3092\u62c5\u5f53\u3002\u73fe\u5728\u306f\u5b9f\u6848\u4ef6\u30b5\u30dd\u30fc\u30c8\u306e\u3082\u3068\u3001\u8907\u6570\u6848\u4ef6\u3092\u62c5\u5f53\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8a73\u3057\u304f\u306f<a href=\"https:\/\/withcode.tech\/media\/interview_10\/\">\u3053\u3061\u3089\u306e\u8a18\u4e8b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -internal\" data-type=\"type1\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044<\/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\/05\/\u30a4\u30f3\u30bf\u30d3\u30e5\u30fc-17.jpg\" 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\/media\/interview_10\/\">\u3010\u526f\u696d\u76ee\u6307\u3059\u30de\u30de\u3055\u3093\u5fc5\u898b\u3011\u30c6\u30c3\u30af\u30a2\u30ab\u30c7\u30df\u30fc\u5352\u696d\u5f8c\u306b\u518d\u5165\u5b66\uff01\u80b2\u5150\u3068\u5b66\u7fd2\u3092\u4e21\u7acb\u3055\u305b\u3066&#8221;\u670810\u4e07\u5186&amp;#&#8230;<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">\u30da\u30f3\u535a\u58eb\uff01\u4eca\u56de\u306f\u3069\u3093\u306a\u65b9\u304c\u30a4\u30f3\u30bf\u30d3\u30e5\u30fc\u306b\u5fdc\u3058\u3066\u304f\u3060\u3055\u3063\u305f\u3093\u3067\u3059\u304b\uff1f \u3046\u3080\u3002\u4eca\u56de\u306f\u80b2\u5150\u3068\u5b66\u7fd2\u3092\u4e21\u7acb\u3057\u306a\u304c\u3089\u670810\u4e07\u5186\u306e\u526f\u53ce\u5165\u3092\u9054\u6210\u3057\u305f\u30de\u30de\u3055\u3093\u3058\u3083\u3088\u3002\u5b66\u7fd2\u65b9\u6cd5\u3001\u6848&#8230;<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n<p class=\"has-text-align-left is-style-balloon_box2\"><strong>O.Y\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\">\u4f01\u696d\u30d6\u30e9\u30f3\u30c7\u30a3\u30f3\u30b0\u3092\u76ee\u7684\u306b\u3057\u305fHP\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\/\u5236\u4f5c\u5b9f\u7e3e.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\/backstage-project\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u682a\u5f0f\u4f1a\u793e\u30d0\u30c3\u30af\u30b9\u30c6\u30fc\u30b8\u30d7\u30ed\u30b8\u30a7\u30af\u30c8 \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<h2 class=\"wp-block-heading\">CSS\u3068\u306f\uff1f<\/h2>\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\u30c8-2025-06-15-15.11.23.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>CSS\uff08Cascading Style Sheets\uff09\u3068\u306f\u3001Web\u30da\u30fc\u30b8\u306e\u30b9\u30bf\u30a4\u30eb\uff08\u6587\u5b57\u306e\u5927\u304d\u3055\u30fb\u8272\u30fb\u80cc\u666f\u30fb\u914d\u7f6e\uff09\u3092\u8a2d\u5b9a\u3059\u308b\u8a00\u8a9e\u3058\u3083\u3002Web\u30b5\u30a4\u30c8\u306f\u57fa\u672c\u7684\u306bHTML\u3067\u8a18\u8ff0\u3055\u308c\u3066\u304a\u308a\u3001HTML\u3068CSS\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001Web\u30b5\u30a4\u30c8\u306e\u30c7\u30b6\u30a4\u30f3\u3084\u30ec\u30a4\u30a2\u30a6\u30c8\u306a\u3069\u306e\u898b\u305f\u76ee\u3092\u88c5\u98fe\u3067\u304d\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\">CSS\u306e\u4e3b\u306a\u5f79\u5272<\/h3>\n\n\n\n<p>CSS\u306e\u4e3b\u306a\u5f79\u5272\u306f\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5916\u90e8\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306b\u3088\u308b\u4e00\u62ec\u9069\u7528<\/strong><br>CSS\u306f\u5916\u90e8\u306e\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001HTML\u306e\u8907\u6570\u306e\u30da\u30fc\u30b8\u3067\u540c\u3058\u30b9\u30bf\u30a4\u30eb\u3092\u4e00\u62ec\u3067\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u898b\u305f\u76ee\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/strong><br>CSS\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u6587\u5b57\u306e\u8272\u3084\u30b5\u30a4\u30ba\u3001\u80cc\u666f\u8272\u3084\u80cc\u666f\u753b\u50cf\u3001\u30dc\u30fc\u30c0\u30fc\u3084\u89d2\u4e38\u306e\u6307\u5b9a\u306a\u3069\u3001Web\u30da\u30fc\u30b8\u306e\u898b\u305f\u76ee\u3092\u7c21\u5358\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u8abf\u6574<\/strong><br>CSS\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u8981\u7d20\u306e\u4f4d\u7f6e\u3084\u5927\u304d\u3055\u3001\u4f59\u767d\u306a\u3069\u3092\u8abf\u6574\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u81ea\u7531\u5ea6\u304c\u9ad8\u304f\u3001\u67d4\u8edf\u306a\u30c7\u30b6\u30a4\u30f3\u304c\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306e\u8ffd\u52a0<\/strong><br>CSS\u306e\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30dc\u30bf\u30f3\u306e\u30db\u30d0\u30fc\u30a8\u30d5\u30a7\u30af\u30c8\u3084\u30b9\u30e9\u30a4\u30c9\u30b7\u30e7\u30fc\u306a\u3069\u3001\u52d5\u304d\u306e\u3042\u308b\u8981\u7d20\u3092\u7c21\u5358\u306b\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u306e\u5b9f\u73fe<\/strong><br>CSS\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e2\u30d0\u30a4\u30eb\u7aef\u672b\u306b\u5bfe\u5fdc\u3057\u305f\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u7570\u306a\u308b\u753b\u9762\u30b5\u30a4\u30ba\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306bCSS\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001Web\u30b5\u30a4\u30c8\u306e\u30c7\u30b6\u30a4\u30f3\u3084\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u81ea\u7531\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">HTML\u3068CSS\u306e\u9055\u3044<\/h2>\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\/\u30a2\u30bb\u30c3\u30c8-6@4x-2.png\" 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>\u3053\u3053\u3067\u306f\u3001HTML\u3068CSS\u306e\u9055\u3044\u306b\u3064\u3044\u3066\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\n<p>HTML\uff08HyperText Markup Language\uff09\u306f\u3001Web\u30da\u30fc\u30b8\u306e\u69cb\u9020\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306e\u8a00\u8a9e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u3063\u3066\u3001\u898b\u51fa\u3057\u3084\u6bb5\u843d\u3001\u30ea\u30f3\u30af\u3001\u753b\u50cf\u306a\u3069\u306e\u8981\u7d20\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002HTML\u306f\u3001Web\u30da\u30fc\u30b8\u306e\u57fa\u672c\u7684\u306a\u69cb\u9020\u3092\u4f5c\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3042\u308a\u3001\u60c5\u5831\u306e\u4f53\u7cfb\u5316\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001<strong><span class=\"swl-marker mark_yellow\">&lt;h1&gt;\u25cb\u25cb&lt;\/h1&gt;\u3068\u3059\u308b\u3068\u3001\u3053\u306e&lt;h1&gt;\uff5e&lt;\/h1&gt;\u306e\u9593\u306b\u3042\u308b\u3001\u300c\u25cb\u25cb\u300d\u307e\u3067\u304c\u898b\u51fa\u3057\u3067\u3042\u308b\u3068\u5b9a\u7fa9<\/span><\/strong>\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\u3001CSS\uff08Cascading Style Sheets\uff09\u306f\u3001Web\u30da\u30fc\u30b8\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306e\u8a00\u8a9e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6587\u5b57\u306e\u8272\u3084\u30b5\u30a4\u30ba\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u5909\u66f4\u3001\u88c5\u98fe\u306e\u8ffd\u52a0\u306a\u3069\u3001\u898b\u305f\u76ee\u306b\u95a2\u9023\u3059\u308b\u8981\u7d20\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002CSS\u306f\u3001HTML\u304cWeb\u30da\u30fc\u30b8\u306e\u69cb\u9020\u3092\u5b9a\u7fa9\u3059\u308b\u306e\u306b\u5bfe\u3057\u3066\u3001\u898b\u305f\u76ee\u3092\u6574\u3048\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001<strong><span class=\"swl-marker mark_yellow\">h1{ color : blue; }\u3068\u3059\u308b\u3068\u3001HTML\u3067h1\u3068\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u6587\u7ae0\u304c\u9752\u8272\u306b\u306a\u308a\u307e\u3059\u3002<\/span><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">CSS\u306e\u8a18\u8ff0\u65b9\u6cd5<\/h2>\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\/\u30a2\u30bb\u30c3\u30c8-6@4x-2.png\" 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\u306b\u3001CSS\u306e\u57fa\u672c\u7684\u306a\u8a18\u8ff0\u65b9\u6cd5\u306b\u3064\u3044\u3066\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\n<h3 class=\"wp-block-heading\">\u57fa\u672c\u306e\u6587\u6cd5<\/h3>\n\n\n\n<p>CSS\u306e\u57fa\u672c\u7684\u306a\u66f8\u304d\u65b9\u306f\u3001<strong><span class=\"swl-marker mark_yellow\">\u30bb\u30ec\u30af\u30bf\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3001\u5024\u306e3\u3064\u306e\u8981\u7d20\u3092\u4f7f\u7528<\/span><\/strong>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. <strong>\u30bb\u30ec\u30af\u30bf\uff08Selector\uff09<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3057\u305f\u3044HTML\u8981\u7d20\u3092\u6307\u5b9a\u3059\u308b<\/li>\n\n\n\n<li>\u300c\u3069\u3053\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u5f53\u3066\u308b\u304b\u300d\u3092\u6c7a\u3081\u308b<\/li>\n\n\n\n<li>\u4f8b\uff1a<code>h1<\/code> \u2192 \u3059\u3079\u3066\u306e<code>&lt;h1&gt;<\/code>\u8981\u7d20\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2. <strong>\u30d7\u30ed\u30d1\u30c6\u30a3\uff08Property\uff09<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b9\u30bf\u30a4\u30eb\u306e\u5185\u5bb9\uff08\u898b\u305f\u76ee\u306e\u7a2e\u985e\uff09\u3092\u6307\u5b9a\u3059\u308b<\/li>\n\n\n\n<li>\u300c\u4f55\u3092\u5909\u3048\u308b\u304b\u300d\u3092\u6c7a\u3081\u308b<\/li>\n\n\n\n<li>\u4f8b\uff1a<code>color<\/code> \u2192 \u6587\u5b57\u306e\u8272\u3092\u6307\u5b9a\u3059\u308b\u30d7\u30ed\u30d1\u30c6\u30a3<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">3. <strong>\u5024\uff08Value\uff09<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u5bfe\u3057\u3066\u9069\u7528\u3059\u308b\u5177\u4f53\u7684\u306a\u5024\u3092\u6307\u5b9a<\/li>\n\n\n\n<li>\u300c\u3069\u306e\u3088\u3046\u306b\u5909\u3048\u308b\u304b\u300d\u3092\u6c7a\u3081\u308b<\/li>\n\n\n\n<li>\u4f8b\uff1a<code>red<\/code> \u2192 \u6587\u5b57\u306e\u8272\u3092\u8d64\u306b\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30bb\u30ec\u30af\u30bf\u306e\u6307\u5b9a\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30bb\u30ec\u30af\u30bf\u306f\u3001\u30bf\u30b0\u540d\u3001id\u540d\u3001class\u540d\u306a\u3069\u3092\u4f7f\u7528\u3057\u3066\u3001\u3069\u3053\u306e\u898b\u305f\u76ee\u3092\u5909\u3048\u308b\u304b\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30bf\u30b0\u540d<\/h4>\n\n\n\n<p>\u30bf\u30b0\u540d\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306f\u3001\u300c\u30bf\u30b0\u540d{~}\u300d\u3068\u3059\u308b\u3053\u3068\u3067\u6307\u5b9a\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>p {\n  color: red;\n}<\/code><\/pre><\/div>\n\n\n\n<p>\u4e0a\u8a18\u306eCSS\u306f\u3001\u5168\u3066\u306ep\u8981\u7d20\u306b\u5bfe\u3057\u3066\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">id\u540d<\/h4>\n\n\n\n<p>id\u540d\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306f\u3001\u300c#id\u540d{~}\u300d\u3068\u3059\u308b\u3053\u3068\u3067\u6307\u5b9a\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>#title {\n  color: blue;\n}<\/code><\/pre><\/div>\n\n\n\n<p>\u4e0a\u8a18\u306eCSS\u306f\u3001id\u5c5e\u6027\u304c\u300ctitle\u300d\u3067\u3042\u308b\u8981\u7d20\u306b\u5bfe\u3057\u3066\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">class\u540d<\/h4>\n\n\n\n<p>class\u5c5e\u6027\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306f\u3001\u300c.class\u540d{~}\u300d\u3068\u3059\u308b\u3053\u3068\u3067\u6307\u5b9a\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>.title {\n  color: blue;\n}<\/code><\/pre><\/div>\n\n\n\n<p>\u4e0a\u8a18\u306eCSS\u306f\u3001class\u5c5e\u6027\u304c\u300chighlight\u300d\u3067\u3042\u308b\u8981\u7d20\u306b\u5bfe\u3057\u3066\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u5024\u306e\u8a2d\u5b9a<\/h3>\n\n\n\n<p>\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u5024\u306e\u8a2d\u5b9a\u306f\u3001\u30bb\u30ec\u30af\u30bf\u306e\u5f8c\u306b\u4e2d\u62ec\u5f27\u3067\u56f2\u307e\u308c\u305f\u90e8\u5206\u3067\u884c\u3044\u307e\u3059\u3002\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u534a\u89d2\u306e\u30b3\u30ed\u30f3\u300c:\u300d\u3067\u5024\u3068\u533a\u5207\u308a\u3001\u30bb\u30df\u30b3\u30ed\u30f3\u300c;\u300d\u3067\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u7d42\u308f\u308a\u3092\u793a\u3057\u307e\u3059\u3002\u5024\u306f\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u9069\u7528\u3059\u308b\u5177\u4f53\u7684\u306a\u5024\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>p {\n  color: red;\n}<\/code><\/pre><\/div>\n\n\n\n<p>\u4e0a\u8a18\u306eCSS\u306f\u6587\u5b57\u306e\u8272\u3092\u8d64\u8272\u306b\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">HTML\u30fbCSS\u306e\u958b\u767a\u74b0\u5883\u6e96\u5099<\/h2>\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\u30c8-2025-06-15-15.11.23.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>CSS\u3092\u66f8\u304f\u969b\u306b\u306f\u3001HTML\u3082\u30bb\u30c3\u30c8\u3067\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u57fa\u672c\u3058\u3083\u3002\u3053\u3053\u3067\u306f\u3001HTML\u30fbCSS\u306e\u958b\u767a\u74b0\u5883\u4f5c\u6210\u624b\u9806\u3092\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\n<h3 class=\"wp-block-heading\">\u30c4\u30fc\u30eb\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h3>\n\n\n\n<p>HTML\u30fbCSS\u3092\u4f7f\u3044Web\u30da\u30fc\u30b8\u306e\u5236\u4f5c\u3092\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u30c4\u30fc\u30eb\u306f\u3001<strong><span class=\"swl-marker mark_yellow\">\u300c\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u300d\u3068\u300c\u30d6\u30e9\u30a6\u30b6\u300d<\/span><\/strong>\u306e2\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u3068\u306f\u3001\u6587\u5b57\u3084\u8a18\u53f7\u306a\u3069\u306e\u30c6\u30ad\u30b9\u30c8\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u308b \u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u7de8\u96c6\u3059\u308b\u30bd\u30d5\u30c8\u306e\u3053\u3068\u3067\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\uff08\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3078\u306e\u547d\u4ee4\uff09\u3092\u30c6\u30ad\u30b9\u30c8\u3067\u66f8\u3044\u3066\u3001\u5b9f\u884c\u3057\u307e\u3059\u3002\u4eca\u56de\u306f\u3001\u7121\u6599\u3067\u4f7f\u7528\u3067\u304d\u308b\u4fbf\u5229\u306a\u6a5f\u80fd\u304c\u8907\u6570\u642d\u8f09\u3055\u308c\u305f\u300cVisual Studio Code\uff08VSCode\uff09\u300d\u3068\u3044\u3046\u30a8\u30c7\u30a3\u30bf\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>VSCode\u306e\u516c\u5f0f\u30b5\u30a4\u30c8 (<a href=\"https:\/\/code.visualstudio.com\/\">https:\/\/code.visualstudio.com\/<\/a>) \u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002\u753b\u9762\u53f3\u4e0a\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u300cDownload\u300d\u306e\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u5fc5\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img decoding=\"async\" width=\"2560\" height=\"1451\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-01-21-18.02.14-scaled.jpg\" alt=\"\" class=\"wp-image-7939\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-01-21-18.02.14-scaled.jpg 2560w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-01-21-18.02.14-768x435.jpg 768w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-01-21-18.02.14-1536x870.jpg 1536w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-01-21-18.02.14-2048x1161.jpg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n<\/div>\n\n\n<p>\u30d6\u30e9\u30a6\u30b6\u3068\u306fWeb\u30da\u30fc\u30b8\u3092\u8868\u793a\u3059\u308b\u305f\u3081\u306e\u30c4\u30fc\u30eb\u3067\u3059\u3002Windows\u3067\u306f\u6a19\u6e96\u3067\u300cInternet Explorer\u300d\u307e\u305f\u306f\u300cMicrosoft Edge\u300d\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u300cGoogle Chrome\u300d\u306a\u3069\u3082\u5229\u7528\u3057\u3066\u3044\u308b\u65b9\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d5\u30a9\u30eb\u30c0\u30fb\u30d5\u30a1\u30a4\u30eb\u306e\u7528\u610f<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u2460 VSCode\u3092\u958b\u304f<\/h4>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img decoding=\"async\" width=\"2034\" height=\"1410\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-19.01.45.png\" alt=\"\" class=\"wp-image-10524\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-19.01.45.png 2034w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-19.01.45-768x532.png 768w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-19.01.45-1536x1065.png 1536w\" sizes=\"(max-width: 2034px) 100vw, 2034px\" \/><\/figure>\n<\/div>\n\n\n<h4 class=\"wp-block-heading\">\u2461 HTML\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210<\/h4>\n\n\n\n<p>1. \u30d5\u30a9\u30eb\u30c0\u30fc\u6a2a\u306e\u300cNew File\uff08\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\uff09\u300d\u3092\u30af\u30ea\u30c3\u30af<\/p>\n\n\n\n<p>2. \u30d5\u30a1\u30a4\u30eb\u540d\u3092 <code>index.html<\/code> \u306b\u3057\u3066\u4f5c\u6210<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img decoding=\"async\" width=\"2014\" height=\"1398\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-18.50.08.png\" alt=\"\" class=\"wp-image-10518\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-18.50.08.png 2014w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-18.50.08-768x533.png 768w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-18.50.08-1536x1066.png 1536w\" sizes=\"(max-width: 2014px) 100vw, 2014px\" \/><\/figure>\n<\/div>\n\n\n<p>3. \u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306bHTML\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3044\u304d\u307e\u3059<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img decoding=\"async\" width=\"2024\" height=\"1398\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-18.50.45-1.png\" alt=\"\" class=\"wp-image-10522\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-18.50.45-1.png 2024w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-18.50.45-1-768x530.png 768w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-18.50.45-1-1536x1061.png 1536w\" sizes=\"(max-width: 2024px) 100vw, 2024px\" \/><\/figure>\n<\/div>\n\n\n<h4 class=\"wp-block-heading\">\u2462 CSS\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210<\/h4>\n\n\n\n<p>1. \u540c\u3058\u304f\u300cNew File\u300d\u3092\u30af\u30ea\u30c3\u30af<\/p>\n\n\n\n<p>2. \u30d5\u30a1\u30a4\u30eb\u540d\u3092 <code>stylesheet.css<\/code> \u306b\u3057\u3066\u4f5c\u6210<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img decoding=\"async\" width=\"2014\" height=\"1408\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-18.53.03.png\" alt=\"\" class=\"wp-image-10520\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-18.53.03.png 2014w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-18.53.03-768x537.png 768w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-18.53.03-1536x1074.png 1536w\" sizes=\"(max-width: 2014px) 100vw, 2014px\" \/><\/figure>\n<\/div>\n\n\n<p>3. \u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306bCSS\u3092\u8a18\u8ff0\u3057\u307e\u3059<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img decoding=\"async\" width=\"2028\" height=\"1416\" src=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-18.53.41-1.png\" alt=\"\" class=\"wp-image-10523\" srcset=\"https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-18.53.41-1.png 2028w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-18.53.41-1-768x536.png 768w, https:\/\/withcode.tech\/media\/wp-content\/uploads\/2024\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-07-29-18.53.41-1-1536x1072.png 1536w\" sizes=\"(max-width: 2028px) 100vw, 2028px\" \/><\/figure>\n<\/div>\n\n\n<p>\u3053\u308c\u3067\u958b\u767a\u74b0\u5883\u306e\u4f5c\u6210\u306f\u5b8c\u4e86\u3067\u3059\u3002<\/p>\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\u30c8-2025-06-15-14.48.08.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>CSS\u3063\u3066\u3001\u6700\u521d\u306f\u3088\u304f\u308f\u304b\u3089\u306a\u304b\u3063\u305f\u3051\u3069\u3001\u898b\u305f\u76ee\u3092\u6574\u3048\u308b\u9b54\u6cd5\u307f\u305f\u3044\u306a\u5b58\u5728\u306a\u3093\u3067\u3059\u306d\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\u201cHTML\u304c\u5bb6\u306e\u9aa8\u7d44\u307f\u201d\u306a\u3089\u3001\u201cCSS\u306f\u305d\u306e\u5bb6\u3092\u98fe\u308b\u30a4\u30f3\u30c6\u30ea\u30a2\u201d\u3058\u3083\u3002CSS\u306f\u7a4d\u307f\u91cd\u306d\u308c\u3070\u7a4d\u307f\u91cd\u306d\u308b\u307b\u3069\u697d\u3057\u304f\u306a\u308b\u3002\u7126\u3089\u305a\u4e00\u6b69\u305a\u3064\u3058\u3083\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\u30c8-2025-06-15-15.06.05.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>\u306f\u3044\uff01\u307e\u305a\u306f\u57fa\u672c\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u304b\u3089\u899a\u3048\u3066\u3001\u5c11\u3057\u305a\u3064\u201c\u898b\u305f\u76ee\u30de\u30b9\u30bf\u30fc\u201d\u76ee\u6307\u3057\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<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u4eca\u56de\u306f\u3001HTML\u3068CSS\u306e\u9055\u3044\u304b\u3089\u4f7f\u3044\u65b9\u30fb\u958b\u767a\u74b0\u5883\u306e\u4f5c\u6210\u65b9\u6cd5\u307e\u3067\u5fb9\u5e95\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>CSS\u306fWeb\u30da\u30fc\u30b8\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306e\u8a00\u8a9e\u3067\u3042\u308a\u3001HTML\u3068\u306f\u7570\u306a\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002CSS\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001<strong><span class=\"swl-marker mark_yellow\">Web\u30da\u30fc\u30b8\u306e\u6587\u5b57\u8272\u3084\u5927\u304d\u3055\u306e\u6307\u5b9a\u3001\u80cc\u666f\u8272\u306e\u5909\u66f4\u3001\u753b\u50cf\u306e\u914d\u7f6e\u306a\u3069\u304c\u3067\u304d\u3001Web\u5236\u4f5c\u3092\u3059\u308b\u4e0a\u3067\u5fc5\u9808\u306e\u77e5\u8b58<\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>WithCode\u3067\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3060\u3051\u3067\u306a\u304f\u3001Web\u5236\u4f5c\u3092\u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u3068\u3057\u3066\u884c\u3063\u3066\u3044\u304f\u4e0a\u3067\u5fc5\u8981\u306aGitHub\u3084Figma\u306a\u3069\u306e\u30c4\u30fc\u30eb\u306b\u3064\u3044\u3066\u3082\u6559\u6750\u3068\u3057\u3066\u7528\u610f\u3057\u3066\u3044\u307e\u3059\u3002Web\u5236\u4f5c\u3092\u526f\u696d\u3068\u3057\u305f\u3044\u3001\u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u3067\u50cd\u304d\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u308b\u65b9\u306f\u3001\u304a\u6c17\u8efd\u306b\u7121\u6599\u76f8\u8ac7\u4f1a\u306b\u304a\u7533\u8fbc\u307f\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 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