{"id":6003,"date":"2023-05-22T02:06:41","date_gmt":"2023-05-21T17:06:41","guid":{"rendered":"https:\/\/engineering.webstudio168.jp\/?p=6003"},"modified":"2023-11-01T16:26:44","modified_gmt":"2023-11-01T07:26:44","slug":"javascript-css-modal","status":"publish","type":"post","link":"https:\/\/engineering.webstudio168.jp\/blog\/blog\/2023\/05\/22\/javascript-css-modal\/","title":{"rendered":"\u3010\u521d\u5fc3\u8005\u5411\u3051\u3011JavaScript\u3067\u30e2\u30fc\u30c0\u30eb\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u4f5c\u6210\u65b9\u6cd5\u3068\u6ce8\u610f\u4e8b\u9805\u3001\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">JavaScript\u3067\u66f8\u3051\u308b\u57fa\u672c\u4e2d\u306e\u57fa\u672c\u306e\u30ae\u30df\u30c3\u30af\u306b\u30e2\u30fc\u30c0\u30eb\u30a6\u30a3\u30f3\u30c9\u30a6\u3068\u3044\u3046\u52b9\u679c\u304c\u3042\u308a\u307e\u3059\u3002\u753b\u50cf\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u5168\u753b\u9762\u3067\u9ed2\u80cc\u666f\u306b\u5927\u304d\u306a\u753b\u50cf\u304c\u8868\u793a\u3055\u308c\u3001\u8996\u8a8d\u6027\u3092\u3088\u304f\u3059\u308b\u305f\u3081\u306e\u3042\u308c\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HTML\u30b3\u30fc\u30c0\u30fc\u306b\u306f\u30e2\u30fc\u30c0\u30eb\u3001\u3068\u805e\u304f\u3068\u30a2\u30ec\u30eb\u30ae\u30fc\u53cd\u5fdc\u3092\u8d77\u3053\u3059\u4eba\u304c\u3061\u3089\u307b\u3089\u3044\u307e\u3059\u3002\u5b9f\u969b\u306b\u540c\u50da\u306f\u300c\u30e2\u30fc\u30c0\u30eb\u2026\u2026\u3046\u30fc\u3093\u30011\u9031\u9593\u3050\u3089\u3044\u304b\u304b\u308a\u307e\u3059\u304b\u306d\u300d\u3068\u8fd4\u7b54\u3057\u3066\u3057\u307e\u3063\u3066\u3044\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3082\u3061\u308d\u3093\u4ed6\u306e\u696d\u52d9\u3068\u517c\u306d\u5408\u3044\u304c\u3042\u3063\u30661\u9031\u9593\u304b\u304b\u308b\u3001\u3068\u3044\u3046\u610f\u5473\u5408\u3044\u306a\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u5b9f\u969b\u306e\u3068\u3053\u308d\u534a\u65e5\u3042\u308c\u3070\u5341\u5206\u306a\u304f\u3089\u3044\u7c21\u5358\u3067\u3059\u3002\u305d\u3046\u3001IE\u304c\u7121\u304f\u306a\u3063\u305f\u4eca\u2026\u2026\uff08IE\u304c\u7121\u304f\u306a\u3063\u3066\u30e1\u30ea\u30c3\u30c8\u3057\u304b\u306a\u3044\u3068\u3044\u3046\u8a18\u4e8b\u306f\u300e<a href=\"https:\/\/engineering.webstudio168.jp\/blog\/internetexplorer-is-over\/\">IE\uff08InternetExplorer\uff09\u306e\u30b5\u30dd\u30fc\u30c8\u7d42\u4e86\u304b\u3089\u751f\u307e\u308c\u308b\u30e1\u30ea\u30c3\u30c85\u9078\uff01\uff5e\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u89b3\u70b9\u304b\u3089JavaScript\u3092\u8003\u3048\u308b<\/a>\u300f\uff09\u3092\u898b\u3066\u898b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u3082\u30b7\u30f3\u30d7\u30eb\u306a\u30e2\u30fc\u30c0\u30eb\u306e\u30a4\u30e1\u30fc\u30b8\u306f\u3053\u3061\u3089\u3067\u3059\u3002\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" onclick=\"openModal()\">\u30e2\u30fc\u30c0\u30eb v0.0<\/a><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3092\u30d9\u30fc\u30b9\u306b\u8089\u4ed8\u3051\u3057\u3066\u3044\u3051\u3070\u5b8c\u6210\u306b\u8fd1\u3065\u3044\u3066\u3044\u304f\u306e\u3067\u3001\u3069\u3093\u3069\u3093\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3057\u3066\u3057\u307e\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<style>\n    \/* \u30b9\u30bf\u30a4\u30eb\u306e\u8a2d\u5b9a *\/\n    .modal {\n      display: none;\n      position: fixed;\n      z-index: 5;\n      left: 0;\n      top: 0;\n      width: 100vw;\n      height: 100%;\n      overflow: auto;\n      background-color: rgba(0, 0, 0, 0.8);\n    }\n\n    .modal-content {\n      background-color: #fefefe;\n      margin: 30vh auto;\n      padding: 20px;\n      border: 1px solid #888;\n      width: 80%;\n      max-width: 400px;\n    }\n\n    .is-hidden {\n      display: none;\n    }\n\n    .is-shown {\n      display: block;\n    }\n\n    .close {\n      color: #aaa;\n      float: right;\n      font-size: 100%;\n      font-weight: bold;\n    }\n\n    .close:hover,\n    .close:focus {\n      color: black;\n      text-decoration: none;\n      cursor: pointer;\n    }\n  <\/style>\n  <div id=\"modal\" class=\"modal is-hidden\">\n    <div class=\"modal-content\">\n      <span class=\"close\" onclick=\"closeModal()\">&times;<\/span>\n      <p>This is a modal window.<\/p>\n    <\/div>\n  <\/div>\n\n  <script>\n$(function(){\n     $('#modal').appendTo('body');\n});\n    function openModal() {\n      var modal = document.getElementById(\"modal\");\n      modal.classList.remove(\"is-hidden\");\n      modal.classList.add(\"is-shown\");\n    }\n    function closeModal() {\n      var modal = document.getElementById(\"modal\");\n      modal.classList.remove(\"is-shown\");\n      modal.classList.add(\"is-hidden\");\n    }\n  <\/script>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c8\u30ea\u30ac\u30fc\uff08\u767a\u706b\u3059\u308b\u30dd\u30a4\u30f3\u30c8\uff09\u3092\u6c7a\u3081\u3088\u3046<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c8\u30ea\u30ac\u30fc\u3068\u805e\u3044\u3066\u306a\u3093\u3068\u306a\u304f\u30a4\u30e1\u30fc\u30b8\u304c\u3064\u304b\u3081\u3066\u3044\u308b\u306e\u3067\u3042\u308c\u3070\u305d\u308c\u3067\u5168\u7136OK\u3067\u3059\u3002<strong>\u30e6\u30fc\u30b6\u30fc\u304c\u3069\u306e\u3088\u3046\u306a\u64cd\u4f5c\u3092\u3057\u305f\u3068\u304d\u306b\u30e2\u30fc\u30c0\u30eb\u304c\u51fa\u73fe\u3059\u308b<\/strong>\u304b\u3001\u3092\u6c7a\u3081\u308b\u3053\u3068\u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u753b\u50cf\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u6642\u3067\u3057\u3087\u3046\u304b\uff1f\u8a18\u4e8b\u306e\u30d6\u30ed\u30c3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u6642\u3067\u3057\u3087\u3046\u304b\uff1f\u5c11\u3057\u30c8\u30ea\u30c3\u30ad\u30fc\u306b\u7279\u5b9a\u306e\u8981\u7d20\u307e\u3067\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u305f\u3089\u4e0b\u304b\u3089\u30d5\u30ef\u3063\u8868\u793a\u3059\u308b\u3088\u3046\u306a\u6642\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eca\u56de\u306f\u6700\u3082\u7c21\u5358\u306a\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u305f\u3068\u304d\u306b\u30e2\u30fc\u30c0\u30eb\u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u8868\u793a\u3055\u308c\u308b\u65b9\u6cd5\u3092\u4e00\u7dd2\u306b\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a71\u306f\u305d\u308c\u307e\u3059\u304c\u3001<span class=\"bold-red\">\u5b9f\u306f\u30af\u30ea\u30c3\u30af\u6642\u306bJavaScript\u306e\u6a5f\u80fd\u3092\u958b\u59cb\u3055\u305b\u308b<\/span><code><span class=\"bold\"><strong>onclick=\"\"<\/strong><\/span><\/code><span class=\"bold-red\">\u306f\u3069\u3093\u306a\u30bf\u30b0\u306b\u3082\u4ed8\u3051\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059<\/span>\u3002\u3082\u3057\u304b\u3057\u305f\u3089<code>&lt;a&gt;<\/code>\u3084<code>&lt;ibutton&gt;<\/code>\u30bf\u30b0\u304c\u30e1\u30b8\u30e3\u30fc\u306a\u306e\u3067<code>&lt;a&gt;<\/code>\u30bf\u30b0\u306b\u3057\u304b\u4ed8\u3051\u3089\u308c\u306a\u3044\u3068\u601d\u3044\u3082\u3093\u3067\u3044\u308b\u65b9\u3082\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u306e\u3067\u3001\u5ff5\u306e\u305f\u3081\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">HTML\u306e\u69cb\u9020\u306f\u3069\u3046\u3057\u3088\u3046\u304b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">HTML\u306e\u69cb\u9020\u306b\u306f\u3068\u304f\u306b\u306f\u8a93\u7d04\u306f\u306a\u304f\u3001CSS\u3067\u30e2\u30fc\u30c0\u30eb\u306e\u5927\u5143\u3092<code>position: fix;<\/code>\u3057\u3066\u3057\u307e\u3048\u3070\u753b\u9762\u3092\u5168\u90e8\u8986\u3046\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uff11\u70b9\u3001\u6ce8\u610f\u70b9\u3068\u3057\u3066\u306f\u3001A:\u30e2\u30fc\u30c0\u30eb\u306e\u571f\u53f0\uff08\u5b9f\u52d9\u3067\u306fwrap\u30e9\u30c3\u30d7\u3068\u547c\u3076\u3053\u3068\u304c\u591a\u3044\u3067\u3059\uff09\u3001B:\u30e2\u30fc\u30c0\u30eb\u306e\u4e2d\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306e2\u3064\u306eDOM\u306f\u3001\u89aa\u5b50\u95a2\u4fc2\u306b\u3057\u3066\u304a\u3044\u305f\u65b9\u304c\u7121\u96e3\u3067\u3059\u3002\u89aa\u5b50\u95a2\u4fc2\u4ee5\u5916\u3067\u3082\u3082\u3061\u308d\u3093\u5b9f\u88c5\u3067\u304d\u307e\u3059\u304c\u3001\u8981\u7d20\u306e\u79fb\u52d5\u306e\u624b\u9593\u3092\u8003\u3048\u308b\u3068\u89aa\u5b50\u8981\u7d20\u304c\u30d9\u30b9\u30c8\u304b\u306a\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3067\u306f\u5b9f\u969b\u306eHTML\u69cb\u9020\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u898b\u3066\u898b\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-html\" data-file=\"modal-html.html\" data-lang=\"HTML\"><code>&lt;body&gt;\n  &lt;h2&gt;Modal Window Example&lt;\/h2&gt;\n  &lt;button onclick=&quot;openModal()&quot;&gt;Open Modal&lt;\/button&gt;\n\n  &lt;div id=&quot;modal&quot; class=&quot;modal is-hidden&quot;&gt;\n    &lt;div class=&quot;modal-content&quot;&gt;\n      &lt;span class=&quot;close&quot; onclick=&quot;closeModal()&quot;&gt;\u00d7&lt;\/span&gt;\n      &lt;p&gt;This is a modal window.&lt;\/p&gt;\n    &lt;\/div&gt;\n  &lt;\/div&gt;\n&lt;\/body&gt;<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5ff5\u306e\u305f\u3081\u3067\u3059\u304c\u3001\u8aac\u660e\u3057\u3066\u304a\u304f\u3068\u5927\u67a0\u306f<code>id=\"modal\"<\/code>\u306e<code>&lt;div&gt;<\/code>\u3067\u3059\u306d\u3002<br>\u305d\u3057\u3066\u30e2\u30fc\u30c0\u30eb\u306b\u542b\u307e\u308c\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u306f<code>div.modal-content<\/code>\u306b\u306a\u308a\u307e\u3059\u3002<br>\u203b\u30c8\u30ea\u30ac\u30fc\u306f<code>&lt;h2&gt;<\/code>\u76f4\u4e0b\u306eOpen Modal\u30dc\u30bf\u30f3\u3067\u3059\u3002<code>onclick=\"openModal()\"<\/code>\uff08\u5f8c\u8ff0\uff09\u304c\u5b9f\u884c\u3055\u308c\u305f\u6642\u306b\u30e2\u30c0\u30fc\u30eb\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\uff08\u6ce8\u610f\uff1a\u3082\u3061\u308d\u3093\u3053\u306e\u30b3\u30fc\u30c9\u5358\u4f53\u3067\u306f\u30e2\u30fc\u30c0\u30eb\u306b\u306a\u308a\u307e\u305b\u3093\u3002\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u3082<strong>A:\u30e2\u30fc\u30c0\u30eb\u306e\u571f\u53f0<\/strong> &gt; <strong>B:\u30e2\u30fc\u30c0\u30eb<\/strong>\u3068\u3044\u3046DOM\u69cb\u9020\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u3067\u91cd\u8981\u306a\u3093\u3067\u3059\u304c\u3001A:\u30e2\u30fc\u30c0\u30eb\u306e\u571f\u53f0\u306e&lt;div&gt;\u306b\u30af\u30e9\u30b9\u3067\u300c<code>is-hidden<\/code>\u300d\u3092\u4ed8\u3051\u3066\u304a\u304f\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5f8c\u3067CSS\u306b\u3064\u3044\u3066\u66f8\u304d\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u521d\u671f\u8868\u793a\u306fhidden\uff08\u96a0\u3059\u30fb\u6d88\u3059\uff09\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CSS\u306e\u3067\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u5148\u306b\u7d44\u3093\u3067\u3057\u307e\u3046\u65b9\u304c\u52b9\u7387\u7684\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-css\" data-file=\"modal.css\" data-lang=\"CSS\"><code>    #modal {\n      display: none;\n      position: fixed;\n      z-index: 2;\n      left: 0;\n      top: 0;\n      width: 100vw;\n      height: 100%;\n      overflow: auto;\n      background-color: rgba(0, 0, 0, 0.5);\n    }\n\n    #modal .modal-content {\n      background-color: #fefefe;\n      margin: 30vh auto;\n      padding: 20px;\n      border: 1px solid #888;\n      width: 80%;\n      max-width: 400px;\n    }\n\n    #modal.is-hidden {\n      display: none;\n    }\n\n    #modal.is-shown {\n      display: block;\n    }\n\n    #modal .close {\n      color: #aaa;\n      float: right;\n      font-size: 100%;\n      font-weight: bold;\n    }\n\n    #modal .close:hover,\n    .close:focus {\n      color: black;\n      text-decoration: none;\n      cursor: pointer;\n    }<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">JavaScript\u3067\u30c9\u30ad\u30c9\u30ad\u3057\u306a\u3044\u3088\u3046\u306b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u307e\u3067\u304f\u308c\u3070\u307b\u307c\u7d42\u308f\u308a\u3067\u3059\u3002JavaScript\u306e\u5f79\u76ee\u306f\u5927\u3057\u305f\u3053\u3068\u306a\u3044\u306e\u3067\u3055\u3089\u3063\u3068\u884c\u304d\u307e\u3057\u3087\u3046\u3002\u3053\u3046\u3044\u3063\u305f<span class=\"bold-red\">HTML\uff0bCSS\uff0bJS\u304c\u7d61\u3080\u30ae\u30df\u30c3\u30af\u306b\u3064\u3044\u3066\u306f\u51fa\u6765\u308b\u3060\u3051JavaScript\u3092\u7c21\u7d20\u5316\u3059\u308b\u3053\u3068\u304c\u30b3\u30c4<\/span>\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e1\u30ea\u30c3\u30c8\u3068\u3057\u3066\u306f\u3001JavaScript\u3092\u77e5\u3089\u306a\u304f\u3066\u3082CSS\u3067\u30ab\u30d0\u30fc\u3067\u304d\u308b\u30e1\u30f3\u30d0\u30fc\u304c\u3044\u308b\u306f\u305a\u306a\u306e\u3067\u4fee\u6b63\u306fCSS\u3060\u3051\u3067\u884c\u3046\u3053\u3068\u304c\u51fa\u6765\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001JavaScript\u30b4\u30ea\u30b4\u30ea\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3055\u305b\u308b\u3088\u308a\u3082CSS\u3067\u8abf\u6574\u3057\u305f\u307b\u3046\u304c\u3001\u30da\u30fc\u30b8\u901f\u5ea6\u3068\u3057\u3066\u3082\u65e9\u3044\u3067\u3059\u3002CSS\u3063\u3066\u975e\u5e38\u306b\u91cd\u8981\u3067\u610f\u5916\u3068\u4e07\u80fd\u3067\u3059\u3002\uff08IE\u304c\u7121\u304f\u306a\u3063\u305f\u4eca\uff01\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u3067\u306f\u3001JavaScript\u3092\u306e\u5f79\u76ee\u3092<code>class<\/code>\u3092\u4ed8\u3051\u308b\u3060\u3051\u306b\u5236\u9650\u3057\u3066\u3057\u307e\u3044\u307e\u3057\u3087\u3046\u3002\u4e0b\u8a18\u304c\u30b3\u30fc\u30c9\u3067\u3059\u3002\u96e3\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-js\" data-file=\"modal.js\" data-lang=\"JavaScript\"><code>    \/\/ \u30e2\u30fc\u30c0\u30eb\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u958b\u304f\u95a2\u6570\n    function openModal() {\n      let modal = document.getElementById(&quot;modal&quot;);\n      modal.classList.remove(&quot;is-hidden&quot;);\n      modal.classList.add(&quot;is-shown&quot;);\n    }\n\n    \/\/ \u30e2\u30fc\u30c0\u30eb\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u9589\u3058\u308b\u95a2\u6570\n    function closeModal() {\n      let modal = document.getElementById(&quot;modal&quot;);\n      modal.classList.remove(&quot;is-shown&quot;);\n      modal.classList.add(&quot;is-hidden&quot;);\n    }<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u306f\u3082\u3063\u3068\u3001\u305d\u306e\u8981\u7d20\u306b\u4ed8\u4e0e\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308bclass\u304c\u5b58\u5728\u3059\u308b\u306e\u304b\u306a\u3069\u306e\u30c1\u30a7\u30c3\u30af\u3092\u3059\u308b\u5206\u5c90\u3092\u3044\u308c\u305f\u308a\u3057\u307e\u3059\u304c\u3001\u3068\u308a\u3042\u3048\u305a\u52d5\u4f5c\u306f\u3059\u308b\u306e\u3067\u3053\u308c\u3067\u3044\u3044\u304b\u306a\u3068\u3082\u3044\u307e\u3059\u3002\u7121\u7406\u3057\u3066if\u6587\u3084\u3089\u3076\u3063\u3053\u3093\u3067\u3082\u30b9\u30d1\u30b2\u30c3\u30c6\u30a3\u304c\u51fa\u6765\u4e0a\u304c\u308b\u306e\u3067\u305d\u306e\u5f8c\u98df\u3079\u308b\u306e\u304c\u5927\u5909\u306b\u306a\u308a\u307e\u3059\u3002\uff08\u30b7\u30b9\u30c6\u30e0\u754c\u306e\u30b9\u30d1\u30b2\u30c3\u30c6\u30a3\u306f\u6fc0\u30de\u30ba\u3067\u3059\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30e2\u30fc\u30c0\u30eb\u8868\u793a\u304c\u3046\u307e\u304f\u3044\u304b\u306a\u3044\u3053\u3068\u304c\u591a\u3044\u8981\u6ce8\u610f\u30d1\u30bf\u30fc\u30f3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0a\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3067\u3042\u308b\u7a0b\u5ea6\u306f\u30e2\u30fc\u30c0\u30eb\u3063\u307d\u3044\u52d5\u304d\u306b\u306a\u308b\u306e\u3067\u3059\u304c\u3001\u3061\u3087\u3063\u3068\u6c17\u3092\u4ed8\u3051\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3053\u3068\u3084\u30cf\u30de\u30ea\u304c\u3061\u306a\u30dd\u30a4\u30f3\u30c8\u3092\u89e3\u8aac\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30e2\u30fc\u30c0\u30eb\u304c\u5168\u753b\u9762\u306b\u88ab\u3055\u3089\u306a\u3044\uff08z-index\u304c\u52b9\u304b\u306a\u3044\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3001\u77e5\u3089\u306a\u3044\u3068\u7d50\u69cb\u30cf\u30de\u308a\u307e\u3059\u3002\u5148\u307b\u3069\u306e<code>div#modal<\/code>\u306eDOM\u306e\u8a18\u8ff0\u300c\u4f4d\u7f6e\u300d\u306b\u3064\u3044\u3066\u89e6\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u3001\u7d50\u69cb\u91cd\u8981\u3067\u8868\u793a\u3059\u308b\u30e2\u30fc\u30c0\u30eb\u81ea\u4f53\u306eHTML\u7fa4\u3092\u3069\u3053\u306b\u66f8\u304f\u3079\u304d\u304b\u306f\u307b\u307c100%\u306e\u78ba\u7387\u3067<code>&lt;bod&gt;<\/code>\u306e\u76f4\u4e0b\uff08\u968e\u5c64\u7684\u306b\uff09\u3067\u3059\u3002\u3053\u306e\u300c\u968e\u5c64\u7684\u306b\u300d\u306b\u3082\u3042\u308b\u3088\u3046\u306bHTML\u30d5\u30a1\u30a4\u30eb\u5185\u306e&lt;body&gt;\u306e\u771f\u4e0b\u306b\u66f8\u304f\u306e\u3067\u306f\u306a\u304f\u3066\u3001\u30bb\u30ec\u30af\u30bf\u3067\u8868\u73fe\u3059\u308b\u3068<code>body &gt; #modal<\/code>\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3067\u306f\u306a\u305c<code>body &gt; #modal<\/code>\u3068\u3057\u306a\u304f\u3066\u306f\u3044\u3051\u306a\u3044\u306e\u304b\uff1f\u305d\u306e\u7406\u7531\u306f\u3001\u91cd\u306a\u308a\u9806\u304c\u601d\u3044\u901a\u308a\u306b\u3044\u304b\u306a\u3044\u3053\u3068\u304c\u307b\u307c\u307b\u307c\u6bce\u56de\u3042\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3068\u3048\u3070\u3053\u306e\u30da\u30fc\u30b8\u3067\u3082\u540c\u3058\u73fe\u8c61\u304c\u8d77\u3053\u308a\u307e\u3059\u3002\u6b21\u306e\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" onclick=\"openModal2()\">\u30e2\u30fc\u30c0\u30eb\u3088\u308a\u76ee\u7acb\u3063\u3066\u3057\u307e\u3046\u30dc\u30bf\u30f3<\/a><\/div>\n<\/div>\n\n\n\n<style>\n    \/* \u30b9\u30bf\u30a4\u30eb\u306e\u8a2d\u5b9a *\/\n    #modal2.modal {\n      display: none;\n      position: fixed;\n      z-index: 5;\n      left: 0;\n      top: 0;\n      width: 100vw;\n      height: 100%;\n      overflow: auto;\n      background-color: rgba(0, 0, 0, 0.8);\n    }\n    #modal2 .modal-content {\n      background-color: #fefefe;\n      margin: 30vh auto;\n      padding: 20px;\n      border: 1px solid #888;\n      width: 80%;\n      max-width: 400px;\n    }\n    #modal2.is-hidden {\n      display: none;\n    }\n    #modal2.is-shown {\n      display: block;\n    }\n  <\/style>\n  <div id=\"modal2\" class=\"modal is-hidden\">\n    <div class=\"modal-content\">\n      <span class=\"close\" onclick=\"closeModal2()\">&times;<\/span>\n      <p>This is a modal window.<\/p>\n    <\/div>\n  <\/div>\n\n  <script>\n      \/\/ \u30e2\u30fc\u30c0\u30eb\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u958b\u304f\u95a2\u6570\n    function openModal2() {\n      var modal2 = document.getElementById(\"modal2\");\n      modal2.classList.remove(\"is-hidden\");\n      modal2.classList.add(\"is-shown\");\n    }\n\n    \/\/ \u30e2\u30fc\u30c0\u30eb\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u9589\u3058\u308b\u95a2\u6570\n    function closeModal2() {\n      var modal2 = document.getElementById(\"modal2\");\n      modal2.classList.remove(\"is-shown\");\n      modal2.classList.add(\"is-hidden\");\n    }\n  <\/script>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30c9\u30bb\u30f3\u30b9\u306e\u30d0\u30ca\u30fc\u3084\u7b46\u8005\u306e\u9aed\u9854\u3084\u30d0\u30ca\u30fc\u306a\u3069\u304c\u30e2\u30fc\u30c0\u30eb\u306e\u4e0a\u306b\u51fa\u3066\u3057\u307e\u3063\u3066\u307e\u3059\u3001\u3001\u3001\u3053\u308c\u3092\u56de\u907f\u308b\u3059\u308b\u305f\u3081\u306b<code>body &gt; #modal<\/code>\u3067\u5bfe\u51e6\u3059\u308b\u3093\u3067\u3059\u306d\u3002\u3053\u308c\u306fz-index\u306e\u4e0d\u5177\u5408\uff08\uff1f\uff09\u3067DOM\u968e\u5c64\u304c\u6df1\u3044\u3068\u3069\u3093\u306a\u306bz-index\u3092\u4e0a\u3052\u3066\u3082\u6700\u4e0a\u4f4d\u306b\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u306a\u3044\u305f\u3081\u306a\u306e\u3067\u3059\u3002\u662f\u975e\u899a\u3048\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u3061\u3087\u3063\u3068\u5f85\u3063\u3066\u3001\u3053\u308cWordpress\u306e\u6295\u7a3f\u8a18\u4e8b\u3060\u304b\u3089body &gt; #modal\u51fa\u6765\u306a\u3044\u3093\u3060\u3051\u3069\uff01\u300d\u3068\u3044\u3046\u65b9\u3001\u3054\u5b89\u5fc3\u304f\u3060\u3055\u3044\u3002\u4e0b\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u89e3\u6c7a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-js\" data-file=\"modal-appendto-body.js\" data-lang=\"JavaScript\"><code>$(function(){\n     $(&#39;#modal&#39;).appendTo(&#39;body&#39;);\n});<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u9762\u5012\u306a\u306e\u3067jQuery\u3067\u66f8\u3044\u3061\u3083\u3063\u3066\u307e\u3059\u304c\u3001\u5fc5\u8981\u304c\u3042\u308c\u3070JavaScript\u3067\u66f8\u3044\u3066\u3082\u5927\u4e08\u592b\u3067\u3059\u3002<code>#modal<\/code>\u3092<code>body &gt; #modal<\/code>\u306b\u79fb\u52d5\u3059\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30de\u30a6\u30b9\u30db\u30a4\u30fc\u30eb\u3059\u308b\u3068\u80cc\u5f8c\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u30b9\u30af\u30ed\u30fc\u30eb\u3059\u308b\u554f\u984c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u307e\u3067\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u660e\u793a\u3057\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u3053\u306e\u30e2\u30fc\u30c0\u30eb\u306e\u4e0b\u306b\u3042\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u3061\u3083\u3046\u3093\u3067\u3059\u3002\u305d\u308c\u3067\u3082OK\u3068\u3044\u3046\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3084\u30c7\u30a3\u30ec\u30af\u30bf\u30fc\u3082\u3044\u308b\u306b\u306f\u3044\u308b\u306e\u3067\u3059\u304c\u3001\u3069\u3061\u3089\u304b\u3068\u3044\u3046\u3068NG\u3068\u8a00\u3044\u51fa\u3059\u4e0d\u5c4a\u304d\u3082\u306e\u306e\u65b9\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3067\u306f\u3001\u3069\u3046\u3084\u3063\u305f\u3089\u80cc\u5f8c\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092Fix\u51fa\u6765\u308b\u3067\u3057\u3087\u3046\u304b\u3001Fix\uff1fFix\uff1f\u3042\u3001Fix\u304b\uff01<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3067\u306f\u306a\u304f\u3001<code>overflow: hidden;<\/code>1\u3064\u3067\u3082\u3044\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-js\" data-file=\"body-add-class-modal.css\" data-lang=\"JavaScript\"><code>body.js-now-modal {\n  overflow: hidden;\n}<\/code><\/pre><\/div>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-plain\"><code>    \/\/ \u30e2\u30fc\u30c0\u30eb\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u958b\u304f\u95a2\u6570\n    function openModal() {\n      let modal = document.getElementById(&quot;modal&quot;);\n      let _body = document.getElementsByTabName(&#39;body&#39;)[0];\n      modal.classList.remove(&quot;is-hidden&quot;);\n      modal.classList.add(&quot;is-shown&quot;);\n      _body.classList.add(&quot;js-now-modal&quot;);\n    }\n\n    \/\/ \u30e2\u30fc\u30c0\u30eb\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u9589\u3058\u308b\u95a2\u6570\n    function closeModal() {\n      let modal = document.getElementById(&quot;modal&quot;);\n      let _body = document.getElementsByTabName(&#39;body&#39;)[0];\n      modal.classList.remove(&quot;is-shown&quot;);\n      modal.classList.remove(&quot;is-hidden&quot;);\n      _body.classList.remove(&quot;js-now-modal&quot;);\n    }<\/code><\/pre><\/div>\n\n\n\n<style>\n    \/* \u30b9\u30bf\u30a4\u30eb\u306e\u8a2d\u5b9a *\/\n    #modal2.modal {\n      display: none;\n      position: fixed;\n      z-index: 5;\n      left: 0;\n      top: 0;\n      width: 100vw;\n      height: 100%;\n      overflow: auto;\n      background-color: rgba(0, 0, 0, 0.8);\n    }\n    #modal2 .modal-content {\n      background-color: #fefefe;\n      margin: 30vh auto;\n      padding: 20px;\n      border: 1px solid #888;\n      width: 80%;\n      max-width: 400px;\n    }\n    #modal2.is-hidden {\n      display: none;\n    }\n    #modal2.is-shown {\n      display: block;\n    }\nbody.js-now-modal {\n  overflow: hidden;\n}\n  <\/style>\n  <div id=\"modal3\" class=\"modal is-hidden\">\n    <div class=\"modal-content\">\n      <span class=\"close\" onclick=\"closeModal3()\">&times;<\/span>\n      <p>This is a modal window.<\/p>\n    <\/div>\n  <\/div>\n\n  <script>\n$(function(){\n     $('#modal3').appendTo('body');\n});\n\n    \/\/ \u30e2\u30fc\u30c0\u30eb\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u958b\u304f\u95a2\u6570\n    function openModal3() {\n      let modal = document.getElementById(\"modal3\");\n      let _body = document.getElementsByTagName('body')[0];\n      modal.classList.remove(\"is-hidden\");\n      modal.classList.add(\"is-shown\");\n      _body.classList.add(\"js-now-modal\");\n    }\n\n    \/\/ \u30e2\u30fc\u30c0\u30eb\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u9589\u3058\u308b\u95a2\u6570\n    function closeModal3() {\n      let modal = document.getElementById(\"modal3\");\n      let _body = document.getElementsByTagName('body')[0];\n      modal.classList.remove(\"is-shown\");\n      modal.classList.remove(\"is-hidden\");\n      _body.classList.remove(\"js-now-modal\");\n    }\n  <\/script>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link wp-element-button\" onclick=\"openModal3()\">\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u306a\u3044\u30e2\u30fc\u30c0\u30eb\u30dc\u30bf\u30f3<\/a><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">CSS\u306f\u3053\u3093\u306a\u611f\u3058\u3067body\u306b\u30af\u30e9\u30b9\u304c\u3064\u3044\u305f\u3089<code>overflow: 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