{"id":683,"date":"2021-03-03T17:12:31","date_gmt":"2021-03-03T08:12:31","guid":{"rendered":"http:\/\/www.opentone.co.jp\/ot-lab\/?p=683"},"modified":"2025-05-12T10:06:21","modified_gmt":"2025-05-12T01:06:21","slug":"%e3%80%90html5%e3%80%91html4%e5%88%9d%e5%bf%83%e8%80%85%e3%81%8b%e3%82%89html5%e5%88%9d%e5%bf%83%e8%80%85%e3%81%b8%e3%81%ae%e9%81%93","status":"publish","type":"post","link":"https:\/\/www.opentone.co.jp\/ot-lab\/all\/web-system\/%e3%80%90html5%e3%80%91html4%e5%88%9d%e5%bf%83%e8%80%85%e3%81%8b%e3%82%89html5%e5%88%9d%e5%bf%83%e8%80%85%e3%81%b8%e3%81%ae%e9%81%93","title":{"rendered":"\u3010HTML5\u3011HTML4\u521d\u5fc3\u8005\u304b\u3089HTML5\u521d\u5fc3\u8005\u3078\u306e\u9053"},"content":{"rendered":"\n<p>\u59cb\u3081\u307e\u3057\u3066\u3001Nit\u3068\u7533\u3057\u307e\u3059\u3002<br>\u6614HTML4\u3092\u5c11\u3057\u3060\u3051\u66f8\u3044\u3066\u3044\u307e\u3057\u305f\u304c\u3001HTML5\u306f\u307e\u3060\u307e\u3060\u52c9\u5f37\u4e2d\u306e\u8eab\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u306f\u3001\u79c1\u304cHTML5\u3092\u52c9\u5f37\u3057\u59cb\u3081\u305f\u9803\u306e\u5b9f\u4f53\u9a13\u3092\u307e\u3058\u3048\u307e\u3057\u3066\u3001\u30b3\u30e9\u30e0\u3092\u66f8\u304b\u305b\u3066\u9802\u3053\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u300cHTML4\u306a\u3089\u306a\u3093\u3068\u306a\u304f\u5206\u304b\u308b\u3051\u3069\u3001HTML5\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u306e\uff1f\u300d\u3068\u3044\u3046\u65b9\u3078<br>\u4e00\u6b69\u8e0f\u307f\u51fa\u3059\u305f\u3081\u306e&#8221;\u3068\u3063\u304b\u304b\u308a&#8221;\u3092\u3054\u63d0\u4f9b\u3067\u304d\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">HTML4\u3067\u66f8\u3044\u3066\u307f\u305f<\/h3>\n\n\n\n<p>\u79c1\u304cHTML4\u3092\u52c9\u5f37\u3057\u3066\u3044\u305f\u306e\u306f\u3082\u304610\u5e74\u7a0b\u3082\u524d\u3001\u5b66\u751f\u6642\u4ee3\u306e\u8a71\u3067\u3059\u3002<br>\u201d\u3042\u308b\u7814\u7a76\u306e\u30ec\u30dd\u30fc\u30c8\u3092Web\u30da\u30fc\u30b8\u3068\u3057\u3066\u63d0\u51fa\u3059\u308b\u201d\u3001\u3068\u3044\u3046\u8ab2\u984c\u306e\u305f\u3081\u3067\u3057\u305f\u3002<br>\u305d\u3053\u3067\u79c1\u306fHTML\u306e\u89e3\u8aac\u30b5\u30a4\u30c8\u3092\u63a2\u3057\u3001\u898b\u3088\u3046\u898b\u307e\u306d\u3067\u6b21\u306e\u3088\u3046\u306b\u69cb\u6210\u3092\u8003\u3048\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>index.html \uff65\uff65\uff65\u8868\u7d19\u3068\u3057\u3066\u30bf\u30a4\u30c8\u30eb\u30fb\u65e5\u4ed8\u30fb\u540d\u524d\u30fbtop.html\u3078\u306e\u30ea\u30f3\u30af\u3092\u66f8\u304f<\/li><li>top.html \uff65\uff65\uff65\u89aa\u30d5\u30ec\u30fc\u30e0\uff08\u5de6\u306bmenu.html\u3001\u53f3\u306bpage.html\u3092\u8868\u793a\uff09\u3092\u8a2d\u5b9a\u3059\u308b<\/li><li>menu.html \uff65\uff65\uff65page.html\u5185\u306e\u5404\u7ae0\u30bf\u30a4\u30c8\u30eb\u3078\u30ea\u30f3\u30af\u3092\u5f35\u308b\uff08\u4f8b\uff1a&lt;a href=&#8221;page.html#1&#8243;&gt;\uff09<\/li><li>page.html \uff65\uff65\uff65\u672c\u6587\u3092\u66f8\u304d\u3001\u7ae0\u30bf\u30a4\u30c8\u30eb\u306b\u306f\u30ea\u30f3\u30af\u30bf\u30b0\u3092\u4ed8\u3051\u308b\uff08\u4f8b\uff1a&lt;a name=&#8221;1&#8243;&gt;\uff09<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"453\" height=\"702\" src=\"https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2021\/03\/29d3bc99193cb0b837fb8cc53f050ae5.png\" alt=\"\" class=\"wp-image-685\" srcset=\"https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2021\/03\/29d3bc99193cb0b837fb8cc53f050ae5.png 453w, https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2021\/03\/29d3bc99193cb0b837fb8cc53f050ae5-194x300.png 194w\" sizes=\"(max-width: 453px) 100vw, 453px\" \/><figcaption>\u753b\u50cf1\u3000HTML4\u3067\u306e\u69cb\u6210<\/figcaption><\/figure><\/div>\n\n\n\n<p>\u203b\u6ce8\u3000\u7814\u7a76\u5185\u5bb9\u306f\u5dee\u3057\u66ff\u3048\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u5404\u30da\u30fc\u30b8\u3067\u306f\u5fc5\u8981\u306b\u5fdc\u3058\u3066&lt;center&gt;&lt;b&gt;&lt;font&gt;\u30bf\u30b0\u306a\u3069\u3067\u88c5\u98fe\u3092\u65bd\u3057\u3001<br>\u6b21\u306e\u69d8\u306aHTML\u3092\u4f5c\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u25a0index.html<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[sourcecode language=\"html\"]\n&lt;!DOCTYPE HTML PUBLIC \"-\/\/W3C\/\/DTD HTML 4.01 Transitional\/\/EN\"&gt;\n&lt;html&gt;\n&lt;head&gt;\n    &lt;meta http-equiv=\"Content-Type\" content=\"text\/html; charset=UTF-8\"&gt;\n    &lt;title&gt;\u30b7\u30d5\u30a9\u30f3\u30b1\u30fc\u30ad\u306e\u4f5c\u308a\u65b9&lt;\/title&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n    &lt;center&gt;\n        &lt;br&gt;&lt;br&gt;&lt;br&gt;\n        &lt;font size=\"16px\"&gt;&lt;b&gt;\u30b7\u30d5\u30a9\u30f3\u30b1\u30fc\u30ad\u306e\u4f5c\u308a\u65b9&lt;\/b&gt;&lt;\/font&gt;\n        \uff5e\u3000\u7565\u3000\uff5e\n    &lt;\/center&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;\n[\/sourcecode]<\/pre>\n\n\n\n<p>\uff08menu.html\u3001page.html\u306f\u3053\u306eindex.html\u3092\u30b3\u30d4\u30fc\u3057\u3001<br>8\uff5e12\u884c\u76ee\u3092\u3001menu.html\u306f\u5404\u7ae0\u3078\u306e\u30ea\u30f3\u30af\u3001page.html\u306f\u672c\u6587\u3000\u306b\u66f8\u304d\u63db\u3048\u308b\u3002\uff09<\/p>\n\n\n\n<p>\u25a0top.html<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[sourcecode language=\"html\"]\n&lt;!DOCTYPE HTML PUBLIC \"-\/\/W3C\/\/DTD HTML 4.01 Frameset\/\/EN\"&gt;\n&lt;html&gt;\n&lt;head&gt;\n    &lt;meta http-equiv=\"Content-Type\" content=\"text\/html; charset=UTF-8\"&gt;\n    &lt;title&gt;\u30b7\u30d5\u30a9\u30f3\u30b1\u30fc\u30ad\u306e\u4f5c\u308a\u65b9&lt;\/title&gt;\n&lt;\/head&gt;\n&lt;frameset cols=\"250px,*\"&gt;\n    &lt;frame name=\"menu\" src=\"menu.html\"&gt;\n    &lt;frame name=\"page\" src=\"page.html\"&gt;\n    &lt;noframes&gt;\n        &lt;body&gt;\n        &lt;p&gt;\u3053\u306e\u30da\u30fc\u30b8\u3092\u8868\u793a\u3059\u308b\u306b\u306f\u3001\u30d5\u30ec\u30fc\u30e0\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u30d6\u30e9\u30a6\u30b6\u304c\u5fc5\u8981\u3067\u3059\u3002&lt;\/p&gt;\n        &lt;\/body&gt;\n    &lt;\/noframes&gt;\n&lt;\/frameset&gt;\n&lt;\/html&gt;\n[\/sourcecode]<\/pre>\n\n\n\n<p>\uff65\uff65\uff65\u304a\u6c17\u4ed8\u304d\u306e\u65b9\u3082\u591a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u3053\u3053\u307e\u3067\u3067HTML5\u3067\u5ec3\u6b62\u4e88\u5b9a\u306e\u30bf\u30b0\u304c4\u3064\u3082\u51fa\u3066\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>&lt;frameset&gt;&lt;frame&gt;&lt;center&gt;&lt;font&gt;\u30bf\u30b0\u304c\u305d\u3046\u3067\u3059\u3002<br>\u5f53\u6642\u306f\u771f\u5263\u306b\u4f5c\u3063\u3066\u3044\u305fWeb\u30da\u30fc\u30b8\u3082\u3001\u4eca\u3067\u306f\u3053\u306e\u984c\u6750\u3067\u8a18\u4e8b\u3092\u66f8\u304f\u305f\u3081\u306b\u4f5c\u3089\u308c\u305f\u304b\u306e\u3088\u3046\uff65\uff65\uff65\u3068\u307b\u307b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">HTML5\u3067\u3069\u3046\u66f8\u3053\u3046\uff1f<\/h3>\n\n\n\n<p>\u611a\u75f4\u3092\u8a00\u3063\u3066\u3044\u3066\u3082\u4ed5\u65b9\u304c\u7121\u3044\u306e\u3067\u3001\u672a\u6765\u306b\u76ee\u3092\u5411\u3051\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br>\u307e\u305a\u306f\u69cb\u9020\u306e\u5927\u67a0\u306b\u306a\u3063\u3066\u3044\u308b\u3001&lt;frameset&gt;&lt;frame&gt;\u30bf\u30b0\u304b\u3089\u89e3\u6c7a\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u201dHTML5\u3067\u5ec3\u6b62\u4e88\u5b9a\u201d \u3068\u66f8\u304d\u307e\u3057\u305f\u304c\u3001\u6b64\u65b9\u306e2\u3064\u306e\u30bf\u30b0\u306f\u4e00\u5fdc <strong>\u201d15 Obsolete features\uff08\u524d\u6642\u4ee3\u306e\u907a\u7269\uff09\u201d<\/strong> \u3068\u3057\u3066\u5b9f\u88c5\u306f\u3055\u308c\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3067\u3059\u306e\u3067\u3001\u3053\u308c\u304b\u3089\u3082\u4f7f\u3046\u4e8b\u306f\u51fa\u6765\u308b\u3088\u3046\u3067\u3059\u304c\u3001&#8221;Obsolete&#8221;\uff08\uff1d\u6642\u4ee3\u9045\u308c\u306e\uff09\u3068\u307e\u3067\u8a00\u308f\u308c\u3066\u3057\u307e\u3063\u3066\u306f\u66f8\u304d\u76f4\u3057\u305f\u304f\u306a\u308b\u306e\u304c\u4eba\u60c5\u3068\u3044\u3046\u3082\u306e\u3002<br>\u3053\u3053\u306f\u3072\u3068\u3064\u3001\u65b0\u898f\u30bf\u30b0\u3092\u4f7f\u3063\u3066\u898b\u8fd4\u3057\u3066\u3084\u308a\u305f\u3044\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3093\u306a\u3053\u3068\u3092\u8003\u3048\u3064\u3064HTML5\u3092\u52c9\u5f37\u3057\u3066\u3044\u307e\u3059\u3068\u3001\u89e3\u8aac\u30b5\u30a4\u30c8\u3067\u306f\u6b21\u306e\u3088\u3046\u306a\u56f3\u3092\u826f\u304f\u898b\u304b\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"361\" height=\"321\" src=\"https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2021\/03\/cbf5b9f60da99bf791c0aa12a770f429.png\" alt=\"\" class=\"wp-image-686\" srcset=\"https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2021\/03\/cbf5b9f60da99bf791c0aa12a770f429.png 361w, https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2021\/03\/cbf5b9f60da99bf791c0aa12a770f429-300x267.png 300w\" sizes=\"(max-width: 361px) 100vw, 361px\" \/><figcaption>\u753b\u50cf2\u3000HTML5\u306e\u6587\u66f8\u69cb\u9020<\/figcaption><\/figure><\/div>\n\n\n\n<p>\u300c\u306a\u308b\u307b\u3069\u3001\u4eca\u306e\u6642\u4ee3\u306f\u3053\u3046\u3044\u3046\u30bf\u30b0\u3092\u4f7f\u3048\u3070\u6bb5\u7d44\u307e\u3067\u3057\u3066\u304f\u308c\u308b\u3093\u3060\u306a\uff01\u300d\u3068\u601d\u3044\u3001top.html\u3001menu.html\u3001page.html \u3092\u6b21\u306e\u69d8\u306b\u66f8\u304d\u76f4\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u25a0<strong>\uff08\u65b0\uff09top.html<\/strong><br>\uff08menu.html\u3001page.html \u3092\u5408\u7b97\u3002\u5143\u3005\u306e top.html \u306f\u6642\u4ee3\u9045\u308c\u306e\u305f\u3081\u3001\u30d5\u30a1\u30a4\u30eb\u3054\u3068\u524a\u9664\u3002\uff09<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[sourcecode language=\"html\"]\n&lt;!DOCTYPE html&gt;\n&lt;html lang=\"ja\"&gt;\n&lt;head&gt;\n    &lt;meta charset=\"UTF-8\"&gt;\n    &lt;title&gt;\u30b7\u30d5\u30a9\u30f3\u30b1\u30fc\u30ad\u306e\u4f5c\u308a\u65b9&lt;\/title&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n&lt;nav&gt;\n    &lt;!-- nav\u30bf\u30b0\u306e\u4e2d\u306f menu.html\u306e\u5185\u5bb9\u3092\u30b3\u30d4\u30fc --&gt;\n    &lt;ol start=\"0\"&gt;\n        &lt;li&gt;&lt;a href=\"#\"&gt;\u524d\u6e96\u5099&lt;\/a&gt;&lt;\/li&gt;\n        &lt;li&gt;&lt;a href=\"#1\"&gt;\u30e1\u30ec\u30f3\u30b2\u3092\u6ce1\u7acb\u3066\u307e\u3059\u3002&lt;\/a&gt;&lt;\/li&gt;\n        \uff5e\u3000\u7565\u3000\uff5e\n    &lt;\/ol&gt;\n&lt;\/nav&gt;\n&lt;article&gt;\n    &lt;!-- article\u30bf\u30b0\u306e\u4e2d\u306f page.html\u306e\u5185\u5bb9\u3092\u30b3\u30d4\u30fc --&gt;\n    &lt;!-- \u307e\u305f\u3001\u7ae0\u306fsection\u30bf\u30b0\u3068\u3057\u3066\u5206\u5272 --&gt;\n    &lt;section&gt;\n        &lt;h1&gt;\u30b7\u30d5\u30a9\u30f3\u30b1\u30fc\u30ad\u306e\u4f5c\u308a\u65b9&lt;\/h1&gt;\n        &lt;p&gt;\u79c1\u304c\u5b50\u4f9b\u306e\u9803\u3001\u6599\u7406\u4e0a\u624b\u306a\u8fd1\u6240\u306e\u304a\u6bcd\u3055\u3093\u304b\u3089\u6559\u308f\u3063\u305f\u30b7\u30d5\u30a9\u30f3\u30b1\u30fc\u30ad\u306e\u30ec\u30b7\u30d4\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002&lt;\/p&gt;\n    &lt;\/section&gt;\n    &lt;section&gt;\n        &lt;h2&gt;\uff10\uff0e\u524d\u6e96\u5099&lt;\/h2&gt;\n        \uff5e\u3000\u7565\u3000\uff5e\n    &lt;\/section&gt;\n&lt;\/article&gt;\n&lt;!-- \u4eca\u56de\u306fheader\u3001footer\u306e\u4f4d\u7f6e\u306b\u8868\u793a\u3057\u305f\u3044\u3082\u306e\u306f\u306a\u3044 --&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;\n[\/sourcecode]<\/pre>\n\n\n\n<p>3\u3064\u306e\u30d5\u30a1\u30a4\u30eb\u304c1\u3064\u306b\u306a\u3063\u3066\u30b9\u30c3\u30ad\u30ea\u3057\u307e\u3057\u305f\u3002<br>HTML4\u306e\u9577\u30fc\u30fc\u3044DOCTYPE\u5ba3\u8a00\u3082\u3001HTML5\u7528\u306e\u77ed\u3044\u3082\u306e\u306b\u8863\u66ff\u3048\u3002<br>\u5404HTML\u306e1\u884c\u76ee\u3092\u6bd4\u8f03\u3057\u3066\u307f\u3066\u4e0b\u3055\u3044\u3002HTML5\u3067\u306f\u5b9f\u306b\u30b9\u30de\u30fc\u30c8\u3067\u30ab\u30c3\u30b3\u30a4\u30a4\uff01<br>\u300c\u81ea\u5206\u3082\u3068\u3046\u3068\u3046\u3053\u306eDOCTYPE\u5ba3\u8a00\u304c\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3093\u3060\u300d<br>\u3068\u30a6\u30ad\u30a6\u30ad\u3057\u306a\u304c\u3089\u30d6\u30e9\u30a6\u30b6\u3067\u78ba\u8a8d\u3057\u307e\u3059\u3068\uff65\uff65\uff65<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"458\" height=\"340\" src=\"https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2021\/03\/5e4896966c9944fcf00890f4502605bf.png\" alt=\"\" class=\"wp-image-687\" srcset=\"https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2021\/03\/5e4896966c9944fcf00890f4502605bf.png 458w, https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2021\/03\/5e4896966c9944fcf00890f4502605bf-300x223.png 300w\" sizes=\"(max-width: 458px) 100vw, 458px\" \/><figcaption>\u753b\u50cf3 \u753b\u50cf2\u3092\u4fe1\u3058\u3066\u7a81\u304d\u9032\u3093\u3060\u7d50\u679c<\/figcaption><\/figure><\/div>\n\n\n\n<p>\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6298\u89d2\u4f7f\u3063\u3066\u307f\u305f&lt;article&gt;&lt;section&gt;&lt;nav&gt;\u30bf\u30b0\u304c\u5168\u7136\u6bb5\u7d44\u3092\u3057\u3066\u304f\u308c\u307e\u305b\u3093\uff01<br>\u4e00\u4f53\u3069\u3046\u3044\u3046\u3053\u3068\u306a\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">HTML\u306b\u306f\u6587\u66f8\u69cb\u9020\u3092\u3001\u898b\u305f\u76ee\u306f\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306b\u66f8\u304f\u3079\u3057<\/h3>\n\n\n\n<p>\u3053\u3053\u3067\u306e\u9593\u9055\u3044\u306f\u3001<br><strong>&lt;article&gt;&lt;section&gt;&lt;nav&gt;\u30bf\u30b0\u306e\u4ed5\u4e8b\u306f\u3001\u6bb5\u7d44\u306a\u3069\u306e\u8868\u793a\u4f4d\u7f6e\u8a2d\u5b9a\u3067\u306f\u306a\u3044<\/strong><br>\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u3082\u3063\u3068\u8a00\u3048\u3070\u3053\u308c\u3089\u306f\u3001<br><strong>HTML\u306e\u6587\u66f8\u69cb\u9020\u3092\u8868\u3059\u305f\u3081\u306e\u30bf\u30b0<\/strong>\u3067\u3042\u308a\u3001<br>\u8868\u793a\u4f4d\u7f6e\u306e\u307f\u306a\u3089\u305a\u3001<strong>Web\u30da\u30fc\u30b8\u306e\u898b\u305f\u76ee\u3092\u5909\u3048\u308b\u6a5f\u80fd\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/strong><\/p>\n\n\n\n<p>&lt;article&gt;&lt;section&gt;&lt;nav&gt;\u30bf\u30b0\u306f\u3001\u305d\u308c\u305e\u308c\u6b21\u3092\u8868\u3059\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>&lt;article&gt;\u30bf\u30b0\u3000\u8a18\u4e8b \uff65\uff65\uff65\u305d\u306e\u30bf\u30b0\u306e\u4e2d\u8eab\u3092\u898b\u308c\u3070\u5185\u5bb9\u304c\u5206\u304b\u308b<\/li><li>&lt;section&gt;\u30bf\u30b0\u3000\u7ae0 \uff65\uff65\uff65\u898b\u51fa\u3057\u3068\u7ae01\u3064\u5206<\/li><li>&lt;nav&gt;\u30bf\u30b0\u3000\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3 \uff65\uff65\uff65Web\u30da\u30fc\u30b8\u5185\u5916\u3078\u306e\u3054\u6848\u5185\u3001\u30ea\u30f3\u30af\u306e\u96c6\u307e\u308a<\/li><\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30bf\u30b0\u3092\u4f7f\u3063\u3066\u3001HTML4\u3088\u308a\u660e\u78ba\u306b\u6587\u66f8\u69cb\u9020\u3092\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u305d\u3057\u3066\u3053\u308c\u304c\u3001HTML5\u306e\u7279\u5fb4\u306e\uff11\u3064<strong> \u201c\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u201d 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html&gt;\n&lt;html lang=\"ja\"&gt;\n&lt;head&gt;\n    &lt;meta charset=\"UTF-8\"&gt;\n    &lt;!-- \u2193 \u306e\u4e00\u884c\u3092\u8ffd\u52a0\u3057\u3001\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3092\u9069\u7528\u3059\u308b\u3002 --&gt;\n    &lt;link href=\"style.css\" rel=\"stylesheet\" type=\"text\/css\" media=\"screen\" \/&gt;\n    \uff5e\u3000\u7565\u3000\uff5e\n[\/sourcecode]<\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"506\" height=\"310\" src=\"https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2021\/03\/1efad1b5aa917a846fa5b3fc11367269.png\" alt=\"\" class=\"wp-image-688\" srcset=\"https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2021\/03\/1efad1b5aa917a846fa5b3fc11367269.png 506w, https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2021\/03\/1efad1b5aa917a846fa5b3fc11367269-300x184.png 300w\" sizes=\"(max-width: 506px) 100vw, 506px\" \/><figcaption>\u753b\u50cf4\u3000\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u8a2d\u5b9a\u5f8c<\/figcaption><\/figure><\/div>\n\n\n\n<p>\u3088\u3046\u3084\u304f\u601d\u3063\u305f\u901a\u308a\u306e\u6bb5\u7d44\u306b\u306a\u308a\u307e\u3057\u305f\u3002<br>\u3053\u308c\u3067\u3001&lt;frameset&gt;&lt;frame&gt;\u30bf\u30b0\u306e\u66f8\u304d\u63db\u3048\u304c\u7d42\u4e86\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6b8b\u308b&lt;center&gt;&lt;font&gt;\u30bf\u30b0\u306b\u3064\u3044\u3066\u3082\u3001\u5b9f\u306f\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3092\u4f7f\u3046\u4e8b\u3067\u540c\u6642\u306b\u89e3\u6c7a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br>\u3053\u308c\u3089\u306e\u30bf\u30b0\u306f\u305d\u308c\u305e\u308c\u3001\u6b21\u306e\u3088\u3046\u306b\u66f8\u304d\u63db\u3048\u308b\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>&lt;center&gt;\u30bf\u30b0\u3000\uff65\uff65\uff65 <strong>text-align: center;<\/strong>\uff08style.css 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