{"id":2097,"date":"2022-07-23T09:01:53","date_gmt":"2022-07-23T00:01:53","guid":{"rendered":"http:\/\/www.agile-software.site\/?p=2097"},"modified":"2022-07-23T09:01:53","modified_gmt":"2022-07-23T00:01:53","slug":"%e6%93%ac%e4%bc%bc%e8%a6%81%e7%b4%a0%e3%81%a8%e3%81%af","status":"publish","type":"post","link":"https:\/\/agile-software.net\/?p=2097","title":{"rendered":"\u64ec\u4f3c\u8981\u7d20\u3068\u306f"},"content":{"rendered":"\n

\u6307\u5b9a\u3057\u305f\u8981\u7d20\u306e\u7279\u5b9a\u306e\u90e8\u5206\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u4ed8\u3051\u3089\u308c\u308b<\/strong>\u3082\u306e\u3067\u3059\u3002
CSS\u3067\u64ec\u4f3c\u7684\u306b\u8981\u7d20\u304c\u4f5c\u6210\u3055\u308c\u308b\u306e\u3067\u3001HTML\u3092\u64cd\u4f5c\u305b\u305a\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/strong>
\u64ec\u4f3c\u8981\u7d20\u3068\u4f3c\u3066\u3044\u308b\u64ec\u4f3c\u30af\u30e9\u30b9\u3068\u3044\u3046\u3082\u306e\u3082\u3042\u308b\u306e\u3067\u3059\u304c\u3001\u6307\u5b9a\u65b9\u6cd5\u304c\u82e5\u5e72\u9055\u3046<\/p>\n\n\n\n

\u64ec\u4f3c\u8981\u7d20<\/strong><\/td>\u4e8c\u91cd\u30b3\u30ed\u30f3 (::)<\/td><\/tr>
\u64ec\u4f3c\u30af\u30e9\u30b9<\/strong><\/td>\u5358\u4e00\u30b3\u30ed\u30f3 (:)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

<\/h2>\n\n\n\n
.class-name{\n\u3000 &::after{\n     \/\/ \u30b9\u30bf\u30a4\u30eb\u8a18\u8ff0\n   }\n }<\/code><\/pre><\/div>\n\n\n\n
\u64ec\u4f3c\u8981\u7d20\u306e\u7a2e\u985e<\/h2>\n\n\n\n
::after<\/strong><\/td>\u9078\u629e\u3057\u305f\u8981\u7d20\u306e\u6700\u5f8c\u306e\u5b50\u8981\u7d20<\/td><\/tr>
::backdrop<\/strong><\/td>\u5168\u753b\u9762\u30e2\u30fc\u30c9\u3067\u306e\u4f59\u767d\u30ab\u30e9\u30fc<\/td><\/tr>
::before<\/strong><\/td>\u9078\u629e\u3057\u305f\u8981\u7d20\u306e\u6700\u521d\u306e\u5b50\u8981\u7d20<\/td><\/tr>
::first-letter<\/strong><\/td>\u30d6\u30ed\u30c3\u30af\u30ec\u30d9\u30eb\u8981\u7d20\u306e\u6700\u521d\u306e\u884c\u306e\u6700\u521d\u306e\u6587\u5b57\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528<\/td><\/tr>
::first-line<\/strong><\/td>\u30d6\u30ed\u30c3\u30af\u30ec\u30d9\u30eb\u8981\u7d20\u306e\u6700\u521d\u306e\u884c\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528<\/td><\/tr>
::marker<\/strong><\/td>\u30ea\u30b9\u30c8\u9805\u76ee\u306e\u7b87\u6761\u66f8\u304d\u8a18\u53f7\u30dc\u30c3\u30af\u30b9 (\u3075\u3064\u3046\u306f\u9ed2\u4e38\u3084\u756a\u53f7) \u3092\u9078\u629e<\/td><\/tr>
::part()<\/strong><\/td>\u4e00\u81f4\u3059\u308b part \u5c5e\u6027\u3092\u6301\u3064\u30b7\u30e3\u30c9\u30a6\u30c4\u30ea\u30fc\u5185\u306e\u8981\u7d20<\/td><\/tr>
::placeholder<\/strong><\/td>input \u307e\u305f\u306f textarea \u8981\u7d20\u306e\u30d7\u30ec\u30a4\u30b9\u30db\u30eb\u30c0\u30fc\u6587\u5b57\u5217<\/td><\/tr>
::selection<\/strong><\/td>\u30e6\u30fc\u30b6\u30fc\u304c (\u30c6\u30ad\u30b9\u30c8\u3092\u30de\u30a6\u30b9\u3067\u30af\u30ea\u30c3\u30af\u3084\u30c9\u30e9\u30c3\u30b0\u3059\u308b\u3053\u3068\u3067) \u9078\u629e\u3057\u305f\u6587\u66f8\u306e\u4e00\u90e8\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528<\/td><\/tr>
::slotted()<\/strong><\/td>HTML \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u5185\u306b\u3042\u308b\u30b9\u30ed\u30c3\u30c8\u306b\u914d\u7f6e\u3055\u308c\u305f\u4efb\u610f\u306e\u8981\u7d20<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
::backdrop<\/h3>\n\n\n
\n
\"\"<\/figure>\n<\/div>\n\n\n
\u5168\u753b\u9762\u8868\u793a\u306e\u6642\u306e\u4f59\u767d\u90e8\u5206\u306e\u30ab\u30e9\u30fc\u3092\u8abf\u6574\u3067\u304d\u307e\u3059\u3002
\u305f\u3068\u3048\u3070video\u30bf\u30b0\u3067\u8a2d\u7f6e\u3057\u305fMP4\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u72b6\u614b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002

\u753b\u9762\u5e45\u306b\u5408\u308f\u306a\u3044\u4f59\u767d\u90e8\u5206\u306f\u9ed2\u304f\u8868\u793a\u3055\u308c\u308b\u306e\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u3059\u3002
\u3067\u3059\u304c\u3001::backdrop\u3067\u30ab\u30e9\u30fc\u3092\u6307\u5b9a\u3059\u308b\u3068\u80cc\u666f\u8272\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/strong><\/p>\n\n\n\n
1234567891011<\/td>\/\/ HTML<video src=”\/img\/sample-5s.mp4″ controls width=”100%”><\/video>\/\/ CSS<style>video::backdrop {  background-color: rgb(185, 204, 180);}<\/style><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n
\n
\"\"<\/figure>\n<\/div>\n\n\n
\u3053\u306e\u3088\u3046\u306b\u6307\u5b9a\u3059\u308b\u3068\u2026

\u80cc\u666f\u8272\u3092\u5909\u66f4\u3067\u304d\u307e\u3057\u305f\uff01<\/p>\n\n\n\n
::first-letter<\/h3>\n\n\n\n
\u6307\u5b9a\u3057\u305f\u8981\u7d20\u306e1\u6587\u5b57\u76ee<\/strong>\u306e\u30c6\u30ad\u30b9\u30c8\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002
\u4f7f\u3046\u6a5f\u4f1a\u306f\u305d\u3046\u591a\u304f\u306f\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u77e5\u3063\u3066\u304a\u304d\u305f\u3044\u64ec\u4f3c\u8981\u7d20\u306e1\u3064\u3067\u3059\u306d\u3002
\u30d5\u30a9\u30f3\u30c8\u6307\u5b9a\u7cfb\u306eCSS\u306f\u3072\u3068\u3068\u304a\u308a\u4f7f\u3048\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u6700\u521d\u306e\u30c6\u30ad\u30b9\u30c8\u3060\u3051\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
12345678910111213141516<\/td>\/\/ HTML<p class=”first-txt”>  \u6700\u521d\u306e\u30c6\u30ad\u30b9\u30c8\u3060\u3051\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\/\/ CSS<style>.first-txt::first-letter {  font-size: 24px;  font-weight: bold;  color: #4f87ff;  font-style: italic;}<\/style><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
::first-line<\/h3>\n\n\n\n
\u6307\u5b9a\u3057\u305f\u8981\u7d20\u306e1\u884c\u76ee<\/strong>\u306e\u30c6\u30ad\u30b9\u30c8\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
::first-letter\u3068\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u3061\u3089\u306f\u6700\u521d\u306e1\u884c\u76ee\u306b\u3060\u3051\u30b9\u30bf\u30a4\u30eb\u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
\u6700\u521d\u306e\u884c\u3060\u3051\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3055\u308c\u307e\u3059\u3002
2\u884c\u76ee\u4ee5\u964d\u306f\u9069\u7528\u3055\u308c\u307e\u305b\u3093\u3002
2\u884c\u76ee\u4ee5\u964d\u306f\u9069\u7528\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
123456789101112131415<\/td>\/\/ HTML<p class=”first-line”>  \u6700\u521d\u306e\u884c\u3060\u3051\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3055\u308c\u307e\u3059\u3002<br>2\u884c\u76ee\u4ee5\u964d\u306f\u9069\u7528\u3055\u308c\u307e\u305b\u3093\u3002<br>2\u884c\u76ee\u4ee5\u964d\u306f\u9069\u7528\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\/\/ CSS<style>.first-line::first-line {  font-size: 24px;  font-weight: bold;  color: #ff4fb6;}<\/style><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
::marker<\/h3>\n\n\n\n
list-style\u3092\u6307\u5b9a\u3057\u305f\u3068\u304d\u306b\u8868\u793a\u3055\u308c\u308b\u8981\u7d20\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
  • \u30ea\u30b9\u30c8<\/li>
  • \u30ea\u30b9\u30c8<\/li>
  • \u30ea\u30b9\u30c8<\/li>
  • \u30ea\u30b9\u30c8<\/li><\/ul>\n\n\n\n
    1234567891011121314151617181920212223<\/td>\/\/ HTML<ul class=”list-item”>  <li>\u30ea\u30b9\u30c8<\/li>  <li>\u30ea\u30b9\u30c8<\/li>  <li>\u30ea\u30b9\u30c8<\/li>  <li>\u30ea\u30b9\u30c8<\/li><\/ul>\/\/ CSS<style>.list-item {  margin-left: 1em;}.list-item li {  list-style: initial;}.list-item li::marker {  color: #cf0505;  font-size: 1em;}<\/style><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    ::placeholder<\/h3>\n\n\n\n
    input\u307e\u305f\u306ftextarea\u306e\u30d7\u30ec\u30a4\u30b9\u30db\u30eb\u30c0\u30fc\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
    12345678910111213<\/td>\/\/ HTML<input type=”text” class=”content-placeholder” placeholder=”\u30b9\u30bf\u30a4\u30eb\u3092\u5909\u66f4\u3067\u304d\u307e\u3059”>\/\/ CSS<style>.content-placeholder::placeholder {  color: #48e4ff;  font-weight: bold;  font-size: 14px;}<\/style><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    ::selection<\/h3>\n\n\n\n
    \u30e6\u30fc\u30b6\u30fc\u304c (\u30c6\u30ad\u30b9\u30c8\u3092\u30de\u30a6\u30b9\u3067\u30af\u30ea\u30c3\u30af\u3084\u30c9\u30e9\u30c3\u30b0\u3059\u308b\u3053\u3068\u3067) \u9078\u629e\u3057\u305f\u6587\u66f8\u306e\u4e00\u90e8\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u9069\u7528\u3067\u304d\u307e\u3059\u3002
    \u30c7\u30d5\u30a9\u30eb\u30c8\u3060\u3068\u80cc\u666f\u304c\u9752\u3001\u6587\u5b57\u8272\u304c\u767d\u3067\u3059\u3002
    \u30b5\u30a4\u30c8\u306e\u96f0\u56f2\u6c17\u306b\u5408\u308f\u305b\u3066\u7d30\u304b\u3044\u3068\u3053\u308d\u307e\u3067\u3053\u3060\u308f\u308a\u305f\u3044\uff01\u3068\u3044\u3046\u65b9\u306f\u3001\u305c\u3072\u6307\u5b9a\u3057\u3066\u307f\u308b\u3068\u826f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
    \u9078\u629e\u3059\u308b\u3068\u80cc\u666f\u3068\u30c6\u30ad\u30b9\u30c8\u304c\u7d2b\u306b\u306a\u308a\u307e\u3059<\/p>\n\n\n\n
    1234567891011121314<\/td>\/\/ HTML<div class=”content-selection”>  \u9078\u629e\u3059\u308b\u3068\u80cc\u666f\u3068\u30c6\u30ad\u30b9\u30c8\u304c\u7d2b\u306b\u306a\u308a\u307e\u3059<\/div>\/\/ CSS<style>.content-selection::selection {  background-color: #d79aff;  color: #7c00cf;}<\/style><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"
    \u6307\u5b9a\u3057\u305f\u8981\u7d20\u306e\u7279\u5b9a\u306e\u90e8\u5206\u306b\u30b9\u30bf\u30a4\u30eb\u3092\u4ed8\u3051\u3089\u308c\u308b\u3082\u306e\u3067\u3059\u3002CSS\u3067\u64ec\u4f3c\u7684\u306b\u8981\u7d20\u304c\u4f5c\u6210\u3055\u308c\u308b\u306e\u3067\u3001HTML\u3092\u64cd\u4f5c\u305b\u305a\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002\u64ec\u4f3c\u8981\u7d20\u3068\u4f3c\u3066\u3044\u308b\u64ec\u4f3c\u30af\u30e9\u30b9\u3068\u3044\u3046\u3082\u306e\u3082\u3042\u308b\u306e\u3067\u3059\u304c\u3001\u6307\u5b9a\u65b9\u6cd5\u304c\u82e5\u5e72\u9055\u3046 \u64ec\u4f3c\u8981\u7d20 \u4e8c<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jin_ogp_image_url":"","_jin_last_featured_id":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2097","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/agile-software.net\/index.php?rest_route=\/wp\/v2\/posts\/2097","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agile-software.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agile-software.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agile-software.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agile-software.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2097"}],"version-history":[{"count":1,"href":"https:\/\/agile-software.net\/index.php?rest_route=\/wp\/v2\/posts\/2097\/revisions"}],"predecessor-version":[{"id":2098,"href":"https:\/\/agile-software.net\/index.php?rest_route=\/wp\/v2\/posts\/2097\/revisions\/2098"}],"wp:attachment":[{"href":"https:\/\/agile-software.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agile-software.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agile-software.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}