{"id":17515,"date":"2019-12-09T18:24:49","date_gmt":"2019-12-09T09:24:49","guid":{"rendered":"https:\/\/uxdaystokyo.com\/articles\/?post_type=glossary&#038;p=17515"},"modified":"2020-06-15T18:33:26","modified_gmt":"2020-06-15T09:33:26","slug":"graceful-degradation","status":"publish","type":"glossary","link":"https:\/\/uxdaystokyo.com\/articles\/glossary\/graceful-degradation\/","title":{"rendered":"\u30b0\u30ec\u30a4\u30b9\u30d5\u30eb\u30c7\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3"},"content":{"rendered":"<p>\u30d6\u30e9\u30a6\u30b6\u304c\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u308b\u305f\u3073\u306b\u3001\u65e2\u5b58\u306eWeb\u30b5\u30a4\u30c8\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u5229\u7528\u3067\u304d\u308b\u30d6\u30e9\u30a6\u30b6\u306e\u6a5f\u80fd\u304c\u5897\u3048\u3066\u3044\u304f\u3002\u6700\u65b0\u306e\u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b\u305f\u3081\u306bWeb\u30b5\u30a4\u30c8\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u6539\u5584\u3057\u3066\u3044\u304f\u304c\u3001\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u52d5\u304b\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001\u4ee5\u4e0b\u306e3\u3064\u306f\u65b0\u65e7\u3069\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u3082\u6700\u4f4e\u9650\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u898b\u308c\u308b\u3053\u3068\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u308b\u958b\u767a\u624b\u6cd5\u3067\u3042\u308b\u3002<\/p>\n<ul>\n<li>\u30b0\u30ec\u30a4\u30b9\u30d5\u30eb\u30c7\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3<\/li>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/progressive-enhancement\/\">\u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6\u30a8\u30f3\u30cf\u30f3\u30b9\u30e1\u30f3\u30c8<\/a><\/li>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/regressive-enhancement\/\">\u30ea\u30b0\u30ec\u30c3\u30b7\u30d6\u30a8\u30f3\u30cf\u30f3\u30b9\u30e1\u30f3\u30c8<\/a><\/li>\n<\/ul>\n<p>\u30b0\u30ec\u30a4\u30b9\u30d5\u30eb\u30c7\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u65b0\u3057\u3044\u30d6\u30e9\u30a6\u30b6\u3092\u57fa\u6e96\u306b\u958b\u767a\u3055\u308c\u305fWeb\u30b5\u30a4\u30c8\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5bfe\u3057\u3066\u3001\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u3067\u3082\u6700\u4f4e\u9650\u306e\u6a5f\u80fd\u3060\u3051\u52d5\u4f5c\u3059\u308b\u3088\u3046\u8a2d\u8a08\u30fb\u5b9f\u88c5\u3059\u308b\u958b\u767a\u624b\u6cd5\u3067\u3042\u308b\u3002<\/p>\n<div id=\"attachment_17518\" style=\"width: 608px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-17518\" class=\"wp-image-17518\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/12\/position-gd-2-300x109.png\" alt=\"\u30b0\u30ec\u30a4\u30b9\u30d5\u30eb\u30c7\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u306e\u30a4\u30e1\u30fc\u30b8\u56f3\" width=\"598\" height=\"217\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/12\/position-gd-2-300x109.png 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/12\/position-gd-2.png 681w\" sizes=\"auto, (max-width: 598px) 100vw, 598px\" \/><p id=\"caption-attachment-17518\" class=\"wp-caption-text\">\u30b0\u30ec\u30a4\u30b9\u30d5\u30eb\u30c7\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u306e\u30a4\u30e1\u30fc\u30b8<\/p><\/div>\n<p>\u30b0\u30ec\u30a4\u30b9\u30d5\u30eb\u30c7\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u306f\u65b0\u3057\u3044\u30d6\u30e9\u30a6\u30b6\u3092\u57fa\u6e96\u306b\u3057\u3066\u3001\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u306b\u5408\u308f\u305b\u3066\u6a5f\u80fd\u3092\u524a\u308a\u3001<a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/progressive-enhancement\/\">\u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6\u30a8\u30f3\u30cf\u30f3\u30b9\u30e1\u30f3\u30c8<\/a>\u306f\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u3092\u57fa\u6e96\u306b\u3057\u3066\u3001\u65b0\u3057\u3044\u30d6\u30e9\u30a6\u30b6\u306b\u5408\u308f\u305b\u3066\u6a5f\u80fd\u3092\u8ffd\u52a0\u3059\u308b\u3068\u3044\u3046\u9055\u3044\u304c\u3042\u308b\u3002<\/p>\n<div id=\"attachment_17973\" style=\"width: 450px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-17973\" class=\"wp-image-17973\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/12\/position-gd-300x169.png\" alt=\"\u30b0\u30ec\u30a4\u30b9\u30d5\u30eb\u30c7\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u306e\u4f4d\u7f6e\u4ed8\u3051\" width=\"440\" height=\"248\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/12\/position-gd-300x169.png 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/12\/position-gd-1024x576.png 1024w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/12\/position-gd-768x432.png 768w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/12\/position-gd.png 1280w\" sizes=\"auto, (max-width: 440px) 100vw, 440px\" \/><p id=\"caption-attachment-17973\" class=\"wp-caption-text\">3\u3064\u306e\u958b\u767a\u624b\u6cd5\u306e\u307e\u3068\u3081<\/p><\/div>\n<p>\u308f\u304b\u308a\u3084\u3059\u3044\u4f8b\u3068\u3057\u3066HTML5\u3001CSS3\u3078\u306e\u5bfe\u5fdc\u304c\u3042\u3052\u3089\u308c\u308b\u3002Twitter\u306fHTML5\u3001CSS3\u3067\u69cb\u7bc9\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u80cc\u666f\u753b\u50cf\u3084\u5165\u529b\u6b04\u306e\u4e38\u307f\u3092\u63cf\u753b\u3067\u304d\u3066\u3044\u308b\u3002\u4e00\u65b9\u3001HTML5\u3001CSS3\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u63cf\u753b\u3055\u308c\u306a\u3044\u304c\u3001\u3069\u3061\u3089\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u3082\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u30fb\u30a2\u30ab\u30a6\u30f3\u30c8\u767b\u9332\u3059\u308b\u3068\u3044\u3046\u57fa\u672c\u6a5f\u80fd\u306f\u52d5\u4f5c\u3059\u308b\u3088\u3046\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<div id=\"attachment_17519\" style=\"width: 483px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-17519\" class=\"wp-image-17519\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/12\/ex-twitter-2-300x137.png\" alt=\"HTML5,CSS3\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u306etwitter\u306e\u753b\u9762\" width=\"473\" height=\"216\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/12\/ex-twitter-2-300x137.png 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/12\/ex-twitter-2.png 606w\" sizes=\"auto, (max-width: 473px) 100vw, 473px\" \/><p id=\"caption-attachment-17519\" class=\"wp-caption-text\">HTML5,CSS3\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u306e\u753b\u9762<\/p><\/div>\n<div id=\"attachment_17520\" style=\"width: 497px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-17520\" class=\"wp-image-17520\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/12\/ex-twitter-300x160.png\" alt=\"HTML5,CSS3\u975e\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u306etwitter\u306e\u753b\u9762\" width=\"487\" height=\"260\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/12\/ex-twitter-300x160.png 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2019\/12\/ex-twitter.png 604w\" sizes=\"auto, (max-width: 487px) 100vw, 487px\" \/><p id=\"caption-attachment-17520\" class=\"wp-caption-text\">HTML5,CSS3\u975e\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u306e\u753b\u9762<br \/>\u53c2\u7167\uff1a<a href=\"https:\/\/www.adobe.com\/jp\/devnet\/dreamweaver\/articles\/html5pack_css3_part6.html\">HTML5&amp;CSS3\u5165\u9580 \u7b2c6\u56de GRACEFUL DEGRADATION\u3068POLYFILL<\/a><\/p><\/div>\n<h2>\u521d\u671f\u958b\u767a\u30b3\u30b9\u30c8\u3092\u6291\u3048\u3001\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u3078\u306f\u30d1\u30c3\u30c1\u9069\u7528\u3067\u5bfe\u5fdc\u3057\u3084\u3059\u3044<\/h2>\n<p>\u958b\u767a\u521d\u671f\u3067\u306f\u65b0\u3057\u3044\u30d6\u30e9\u30a6\u30b6\u306b\u5bfe\u5fdc\u3059\u308b\u3088\u3046\u306b\u5b9f\u88c5\u3092\u884c\u3046\u305f\u3081\u3001\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u3067\u306e\u4ed5\u69d8\u8abf\u67fb\u3084\u52d5\u4f5c\u4fdd\u8a3c\u3092\u78ba\u8a8d\u3057\u305f\u4e0a\u3067\u958b\u767a\u3092\u59cb\u3081\u308b\u5fc5\u8981\u304c\u306a\u3044\u3002<\/p>\n<p>\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u3067\u30c6\u30b9\u30c8\u3092\u884c\u306a\u3063\u305f\u7d50\u679c\u3001\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u306a\u304b\u3063\u305f\u90e8\u5206\u306e\u307f\u8ffd\u52a0\u3067\u5b9f\u88c5\u3059\u308b\u305f\u3081\u3001\u5f8c\u304b\u3089\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u3067\u306e\u52d5\u4f5c\u4e0d\u826f\u304c\u767a\u899a\u3057\u305f\u5834\u5408\u3067\u3082\u3001\u5927\u5143\u306e\u5b9f\u88c5\u90e8\u5206\u306b\u624b\u3092\u5165\u308c\u305a\u306b\u4e00\u90e8\u5206\u306e\u4fee\u6b63\u3067\u5bfe\u5fdc\u3067\u304d\u308b\u3002<\/p>\n<h2>\u5b9f\u88c5\u304c\u8907\u96d1\u306b\u306a\u308a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u56f0\u96e3\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/h2>\n<p>\u65b0\u3057\u3044\u30d6\u30e9\u30a6\u30b6\u3068\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u3078\u306e\u5bfe\u5fdc\u304c\u5f8c\u304b\u3089\u4e8c\u91cd\u3067\u7ba1\u7406\u3055\u308c\u3066\u3044\u304f\u305f\u3081\u3001\u5b9f\u88c5\u304c\u8907\u96d1\u306b\u306a\u308b\u3002\u5171\u901a\u306e\u4e0d\u5177\u5408\u304c\u3042\u3063\u305f\u5834\u5408\u306f\u4e8c\u91cd\u3067\u4fee\u6b63\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3082\u56f0\u96e3\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/p>\n<h2>3\u3064\u306e\u958b\u767a\u624b\u6cd5\u306e\u958b\u767a\u30b3\u30b9\u30c8<\/h2>\n<p>\u30c6\u30b9\u30c8\u306e\u4ed5\u65b9\u3084\u7bc4\u56f2\u3082\u3042\u308b\u305f\u3081\u4e00\u6982\u306b\u306f\u8a00\u3048\u306a\u3044\u304c\u30013\u3064\u306e\u958b\u767a\u624b\u6cd5\u306e\u958b\u767a\u30b3\u30b9\u30c8\u306f\u4ee5\u4e0b\u306e\u9806\u3067\u4f4e\u3044\u3002<\/p>\n<h3>1.<a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/progressive-enhancement\/\">\u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6\u30a8\u30f3\u30cf\u30f3\u30b9\u30e1\u30f3\u30c8<\/a><\/h3>\n<p>\u57fa\u672c\u6a5f\u80fd\u306f\u3059\u3079\u3066\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u52d5\u4f5c\u3059\u308b\u3088\u3046HTML\u30d9\u30fc\u30b9\u3067\u5b9f\u88c5\u3059\u308b\u305f\u3081\u3001\u30d6\u30e9\u30a6\u30b6\u3054\u3068\u306b\u30b3\u30fc\u30c9\u3092\u7528\u610f\u3059\u308b\u3053\u3068\u304c\u306a\u3044\u3002<\/p>\n<h3>2.<a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/regressive-enhancement\/\">\u30ea\u30b0\u30ec\u30c3\u30b7\u30d6\u30a8\u30f3\u30cf\u30f3\u30b9\u30e1\u30f3\u30c8<\/a><\/h3>\n<p>\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u306b\u306f\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u5bfe\u5fdc\u3059\u308b\u5206\u3001\u521d\u671f\u30ea\u30ea\u30fc\u30b9\u30b3\u30b9\u30c8\u306f\u4f4e\u3044\u3002\u305d\u306e\u5f8c\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4ed5\u69d8\u306e\u5909\u66f4\u306b\u3088\u308b\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30b3\u30b9\u30c8\u304c\u767a\u751f\u3059\u308b\u3002<\/p>\n<h3>3.\u30b0\u30ec\u30a4\u30b9\u30d5\u30eb\u30c7\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3<\/h3>\n<p>\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u306b\u306f\u5225\u306e\u30b3\u30fc\u30c9\u3092\u7528\u610f\u3059\u308b\u305f\u3081\u958b\u767a\u30b3\u30b9\u30c8\u304c\u9ad8\u3044\u3002\u307e\u305f\u65b0\u65e7\u306e\u30b3\u30fc\u30c9\u3092\u4e8c\u91cd\u3067\u7ba1\u7406\u3057\u3066\u3044\u304f\u305f\u3081\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30b3\u30b9\u30c8\u3082\u9ad8\u3044\u3002<\/p>\n<h2>\u95a2\u9023\u7528\u8a9e<\/h2>\n<ul>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/progressive-enhancement\/\">\u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6\u30fb\u30a8\u30f3\u30cf\u30f3\u30b9\u30e1\u30f3\u30c8<\/a><\/li>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/regressive-enhancement\/\">\u30ea\u30b0\u30ec\u30c3\u30b7\u30d6\u30fb\u30a8\u30f3\u30cf\u30f3\u30b9\u30e1\u30f3\u30c8<\/a><\/li>\n<\/ul>\n<h2>\u95a2\u9023\u30b5\u30a4\u30c8<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.adobe.com\/jp\/devnet\/dreamweaver\/articles\/html5pack_css3_part6.html\">HTML5&amp;CSS3\u5165\u9580 \u7b2c6\u56de GRACEFUL DEGRADATION\u3068POLYFILL<\/a><\/li>\n<li><a href=\"https:\/\/qiita.com\/kudo_kk\/items\/5f80aa56bddab135dcd5\">\u30d6\u30e9\u30a6\u30b6\u6a5f\u80fd\u683c\u5dee\u3078\u306e\uff13\u3064\u306e\u5bfe\u5fdc\u6982\u5ff5\u3000\u307e\u3068\u3081<\/a><\/li>\n<li><a href=\"https:\/\/www.w3.org\/wiki\/Graceful_degradation_versus_progressive_enhancement\">Graceful degradation versus progressive enhancement<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u65b0\u3057\u3044\u30d6\u30e9\u30a6\u30b6\u3067\u52d5\u4f5c\u3059\u308b\u3088\u3046Web\u30b5\u30a4\u30c8\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3057\u3001\u53e4\u3044\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u6700\u4f4e\u9650\u306e\u57fa\u672c\u7684\u306a\u6a5f\u80fd\u306e\u307f\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306bWeb\u30b5\u30a4\u30c8\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u624b\u6cd5<\/p>\n","protected":false},"author":61,"featured_media":17520,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"English":"Graceful 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