{"id":13175,"date":"2026-03-27T10:10:58","date_gmt":"2026-03-27T01:10:58","guid":{"rendered":"https:\/\/rakkoserver.com\/plus\/?p=13175"},"modified":"2026-03-27T10:10:58","modified_gmt":"2026-03-27T01:10:58","slug":"tool-html-css-js-preview","status":"publish","type":"post","link":"https:\/\/rakkokeyword.com\/techo\/tool-html-css-js-preview\/","title":{"rendered":"HTML\u30d7\u30ec\u30d3\u30e5\u30fc\u30c4\u30fc\u30eb"},"content":{"rendered":"\n<div id=\"hpt_v33_container\" style=\"width: 100%; color: #333; font-family: -apple-system, sans-serif; line-height: 1.6; background: #fff; padding-bottom: 60px;\">\n    <style>\n        #hpt_v33_container * { box-sizing: border-box; }\n        .hpt-p-title { font-size: 16px; font-weight: bold; margin: 10px 0 12px 0; border-left: 5px solid #13284B; padding-left: 12px; color: #13284B; }\n        .hpt-guide-box { background: #f8f9fa; border-radius: 8px; padding: 12px 15px; margin-bottom: 20px; font-size: 14px; border: 1px solid #dee2e6; }\n        .hpt-controls { display: flex; gap: 10px; margin-bottom: 20px; width: 100%; }\n        .hpt-btn-main { flex: 1; height: 46px; background-color: #13284B; color: #fff; border: none; cursor: pointer; font-size: 14px; font-weight: bold; border-radius: 6px; }\n        .hpt-btn-copy-top { flex: 1; height: 46px; background-color: #ffffff; color: #13284B; border: 2px solid #13284B; cursor: pointer; font-size: 14px; font-weight: bold; border-radius: 6px; }\n        .hpt-tabs { display: flex; background: #eee; border-radius: 8px 8px 0 0; border: 1px solid #ddd; overflow: hidden; border-bottom: none; }\n        .hpt-tab-btn { flex: 1; padding: 14px; border: none; background: #e0e0e0; cursor: pointer; font-weight: bold; font-size: 14px; color: #777; }\n        .hpt-tab-btn.active { background: #fff !important; color: #13284B !important; border-bottom: 3px solid #13284B; }\n        .hpt-editor-wrap { border: 1px solid #ddd; border-top: none; margin-bottom: 10px; border-radius: 0 0 8px 8px; overflow: hidden; }\n        .hpt-pane { display: none !important; }\n        .hpt-pane.active { display: block !important; }\n        .hpt-textarea { width: 100%; height: 400px; padding: 20px; font-family: 'Consolas', monospace; font-size: 14px; border: none; background: #fafafa; display: block; resize: vertical; outline: none; }\n        .hpt-btn-exec { width: 100%; height: 54px; background-color: #d32f2f; color: #fff; border: none; cursor: pointer; font-size: 18px; font-weight: bold; border-radius: 6px; box-shadow: 0 4px 0 #b71c1c; margin: 10px 0 40px 0; transition: 0.1s; }\n        .hpt-btn-exec:active { transform: translateY(3px); box-shadow: 0 1px 0 #b71c1c; }\n        .hpt-preview-bar { display: flex; align-items: center; background: #f0f0f0; padding: 8px 10px; border: 1px solid #ddd; border-bottom: none; border-radius: 8px 8px 0 0; gap: 8px; }\n        .hpt-btn-size { height: 28px; padding: 0 12px; background-color: #666; color: #fff; border: none; cursor: pointer; font-size: 11px; border-radius: 4px; }\n        .hpt-iframe-wrapper { border: 1px solid #ddd; background: #fff; margin: 0 auto 20px auto; width: 100%; border-radius: 0 0 8px 8px; overflow: hidden; transition: width 0.3s ease; }\n        #hpt_v33_iframe { width: 100%; height: 500px; border: none; display: block; background: #fff; }\n        .hpt-btn-copy-full { width: 100%; height: 50px; background-color: #ffffff; color: #13284B; border: 2px solid #13284B; cursor: pointer; font-size: 15px; font-weight: bold; border-radius: 8px; margin-top: 10px; }\n        @media (max-width: 480px) { .hpt-controls { flex-direction: column; } }\n    <\/style>\n\n    <div class=\"hpt-guide-box\"><strong>\ud83d\udca1 \u4f7f\u3044\u65b9\uff1a<\/strong> \u30b3\u30fc\u30c9\u3092\u7de8\u96c6\u3057\u3001<strong>\u300c\u30d7\u30ec\u30d3\u30e5\u30fc\u3092\u66f4\u65b0\u300d<\/strong>\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/div>\n\n    <div class=\"hpt-controls\">\n        <button class=\"hpt-btn-main\" onclick=\"localStorage.removeItem('hpt_save');location.reload();\">\u30ea\u30bb\u30c3\u30c8<\/button>\n        <button class=\"hpt-btn-copy-top\" onclick=\"hpt_v33_copy()\">\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc<\/button>\n    <\/div>\n\n    <div class=\"hpt-tabs\">\n        <button class=\"hpt-tab-btn active\" onclick=\"hpt_v33_tab(this, 'p_h')\">HTML<\/button>\n        <button class=\"hpt-tab-btn\" onclick=\"hpt_v33_tab(this, 'p_c')\">CSS<\/button>\n        <button class=\"hpt-tab-btn\" onclick=\"hpt_v33_tab(this, 'p_j')\">JavaScript<\/button>\n    <\/div>\n\n    <div class=\"hpt-editor-wrap\">\n        <div id=\"p_h\" class=\"hpt-pane active\"><textarea id=\"v33_h\" class=\"hpt-textarea\"><\/textarea><\/div>\n        <div id=\"p_c\" class=\"hpt-pane\"><textarea id=\"v33_c\" class=\"hpt-textarea\"><\/textarea><\/div>\n        <div id=\"p_j\" class=\"hpt-pane\"><textarea id=\"v33_j\" class=\"hpt-textarea\"><\/textarea><\/div>\n    <\/div>\n\n    <button id=\"v33_exec\" class=\"hpt-btn-exec\" onclick=\"hpt_v33_update()\">\u25b6 \u30d7\u30ec\u30d3\u30e5\u30fc\u3092\u66f4\u65b0\uff08\u5b9f\u884c\uff09<\/button>\n\n    <p class=\"hpt-p-title\">\u30e9\u30a4\u30d6\u30d7\u30ec\u30d3\u30e5\u30fc<\/p>\n    <div class=\"hpt-preview-bar\">\n        <span style=\"font-size: 11px; color:#666; margin-right: 5px;\">\u8868\u793a\u30b5\u30a4\u30ba:<\/span>\n        <button class=\"hpt-btn-size\" onclick=\"document.getElementById('v33_ifwrap').style.width='100%'\">PC\u30b5\u30a4\u30ba<\/button>\n        <button class=\"hpt-btn-size\" onclick=\"document.getElementById('v33_ifwrap').style.width='600px'\">\u30bf\u30d6\u30ec\u30c3\u30c8<\/button>\n        <button class=\"hpt-btn-size\" onclick=\"document.getElementById('v33_ifwrap').style.width='375px'\">\u30b9\u30de\u30db<\/button>\n    <\/div>\n    <div id=\"v33_ifwrap\" class=\"hpt-iframe-wrapper\">\n        <iframe id=\"hpt_v33_iframe\"><\/iframe>\n    <\/div>\n\n    <button class=\"hpt-btn-copy-full\" onclick=\"hpt_v33_copy()\">\u73fe\u5728\u306e\u5168\u30b3\u30fc\u30c9\u3092HTML\u3068\u3057\u3066\u30b3\u30d4\u30fc\u3059\u308b<\/button>\n<\/div>\n\n\n\n<p>\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067HTML\u3001CSS\u3001JavaScript\u3092\u5165\u529b\u3057\u3001\u305d\u306e\u5b9f\u884c\u7d50\u679c\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u78ba\u8a8d\u3067\u304d\u308b\u30aa\u30f3\u30e9\u30a4\u30f3\u30b3\u30fc\u30c9\u30a8\u30c7\u30a3\u30bf\u30fc\u3067\u3059\u3002\u74b0\u5883\u69cb\u7bc9\u4e0d\u8981\u3067\u3001\u8ab0\u3067\u3082\u4eca\u3059\u3050\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u8a66\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-0\">\u3053\u306e\u30c4\u30fc\u30eb\u3067\u3067\u304d\u308b\u3053\u3068<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>3\u8a00\u8a9e\u306e\u540c\u6642\u7de8\u96c6\uff1a<\/strong> HTML\u3001CSS\u3001JavaScript\u3092\u305d\u308c\u305e\u308c\u306e\u30bf\u30d6\u3067\u500b\u5225\u306b\u7de8\u96c6\u3057\u3001\u7d44\u307f\u5408\u308f\u305b\u3066\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30e9\u30a4\u30d6\u30d7\u30ec\u30d3\u30e5\u30fc\u6a5f\u80fd\uff1a<\/strong> \u30d7\u30ec\u30d3\u30e5\u30fc\u66f4\u65b0\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u3060\u3051\u3067\u3001\u5165\u529b\u3057\u305f\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\u3092\u4e0b\u90e8\u306e\u30a8\u30ea\u30a2\u306b\u5373\u5ea7\u306b\u8868\u793a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30de\u30eb\u30c1\u30c7\u30d0\u30a4\u30b9\u78ba\u8a8d\uff1a<\/strong> PC\u30b5\u30a4\u30ba\u3001\u30bf\u30d6\u30ec\u30c3\u30c8\u30b5\u30a4\u30ba\u3001\u30b9\u30de\u30db\u30b5\u30a4\u30ba\u306e\u30dc\u30bf\u30f3\u3092\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u3067\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u306e\u8868\u793a\u78ba\u8a8d\u304c\u53ef\u80fd\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306e\u4e00\u62ec\u51fa\u529b\uff1a<\/strong> \u7de8\u96c6\u3057\u305fHTML\u3001CSS\u3001JS\u30921\u3064\u306eHTML\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u7d50\u5408\u3057\u3001\u30af\u30ea\u30c3\u30d7\u30dc\u30fc\u30c9\u306b\u30b3\u30d4\u30fc\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u81ea\u52d5\u4fdd\u5b58\u6a5f\u80fd\uff1a<\/strong> \u30d6\u30e9\u30a6\u30b6\u306e\u30ed\u30fc\u30ab\u30eb\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u5229\u7528\u3057\u3001\u4f5c\u696d\u9014\u4e2d\u306e\u30b3\u30fc\u30c9\u3092\u4fdd\u6301\u3057\u307e\u3059\uff08\u30ea\u30bb\u30c3\u30c8\u30dc\u30bf\u30f3\u3067\u521d\u671f\u5316\u53ef\u80fd\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-1\">\u3053\u306e\u30c4\u30fc\u30eb\u3067\u6271\u3046\u60c5\u5831\u306e\u57fa\u790e\u77e5\u8b58<\/h2>\n\n\n\n<p>Web\u30da\u30fc\u30b8\u3092\u69cb\u6210\u3059\u308b3\u3064\u306e\u8981\u7d20\u306b\u3064\u3044\u3066\u7406\u89e3\u3092\u6df1\u3081\u308b\u3053\u3068\u3067\u3001\u672c\u30c4\u30fc\u30eb\u3092\u3088\u308a\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>HTML\uff08HyperText Markup Language\uff09\uff1a<\/strong> Web\u30da\u30fc\u30b8\u306e\u300c\u9aa8\u7d44\u307f\u300d\u3092\u4f5c\u308b\u8a00\u8a9e\u3067\u3059\u3002\u898b\u51fa\u3057\u3001\u672c\u6587\u3001\u753b\u50cf\u306a\u3069\u306e\u8981\u7d20\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>CSS\uff08Cascading Style Sheets\uff09\uff1a<\/strong> Web\u30da\u30fc\u30b8\u306e\u300c\u898b\u305f\u76ee\u300d\u3092\u6574\u3048\u308b\u8a00\u8a9e\u3067\u3059\u3002\u8272\u3001\u30d5\u30a9\u30f3\u30c8\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>JavaScript\uff1a<\/strong> Web\u30da\u30fc\u30b8\u306b\u300c\u52d5\u304d\u300d\u3092\u4e0e\u3048\u308b\u8a00\u8a9e\u3067\u3059\u3002\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u305f\u6642\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3084\u3001\u30c7\u30fc\u30bf\u306e\u8a08\u7b97\u3001\u52d5\u7684\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u66f4\u65b0\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-2\">\u3053\u306e\u30c4\u30fc\u30eb\u304c\u5f79\u7acb\u3064\u30b7\u30fc\u30f3\u3068\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Web\u5236\u4f5c\u306e\u30d1\u30fc\u30c4\u8a66\u4f5c\uff1a<\/strong> 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id=\"i-3\">\u52b9\u7387\u7684\u306b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u884c\u3046\u305f\u3081\u306e\u30d2\u30f3\u30c8<\/h2>\n\n\n\n<p>\u672c\u30c4\u30fc\u30eb\u3067\u30d7\u30ec\u30d3\u30e5\u30fc\u304c\u6b63\u3057\u304f\u8868\u793a\u3055\u308c\u306a\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u70b9\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u30bf\u30b0\u306e\u9589\u3058\u5fd8\u308c\uff1a<\/strong> HTML\u30bf\u30b0\u304c\u6b63\u3057\u304f\u9589\u3058\u3089\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\n\n\n\n<li><strong>CSS\u306e\u30bb\u30ec\u30af\u30bf\uff1a<\/strong> 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