{"id":39757,"date":"2026-11-14T14:07:25","date_gmt":"2026-11-14T05:07:25","guid":{"rendered":"https:\/\/uxdaystokyo.com\/articles\/?post_type=glossary&#038;p=39757"},"modified":"2026-11-15T11:32:13","modified_gmt":"2026-11-15T02:32:13","slug":"error-message","status":"publish","type":"glossary","link":"https:\/\/uxdaystokyo.com\/articles\/glossary\/error-message\/","title":{"rendered":"\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8"},"content":{"rendered":"<p>\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\uff08error message\uff09\u3068\u306f\u3001\u5165\u529b\u306e\u9593\u9055\u3044\u3084\u3001\u51e6\u7406\u306e\u5931\u6557\u3092\u3001\u5229\u7528\u8005\u306b\u77e5\u3089\u305b\u308b\u8868\u793a\u3067\u3042\u308b\u3002\u3088\u3044\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u4f55\u304c\u8d77\u304d\u305f\u304b\u3092\u4f1d\u3048\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u6b21\u306b\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u304b\u307e\u3067\u4f1d\u3048\u308b\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u4f1a\u54e1\u767b\u9332\u306e\u753b\u9762\u3067\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u6b04\u306b\u300csato.example.com\u300d\u3068\u5165\u529b\u3057\u3066\u3001\u9001\u4fe1\u3057\u305f\u3068\u3059\u308b\u3002\u753b\u9762\u306b\u300c\u5165\u529b\u5185\u5bb9\u304c\u6b63\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u300d\u3068\u51fa\u3066\u3082\u3001\u5229\u7528\u8005\u306f\u3001\u3069\u306e\u6b04\u306e\u3001\u4f55\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u306e\u304b\u5206\u304b\u3089\u306a\u3044\u3002\u300c\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b @ \u304c\u3042\u308a\u307e\u305b\u3093\u3002\u4f8b\uff1asato@example.com\u300d\u3068\u3001\u6b04\u306e\u3059\u3050\u4e0b\u306b\u51fa\u3066\u3044\u308c\u3070\u3001\u3059\u3050\u306b\u76f4\u305b\u308b\u3002<\/p>\n<h2>\u3088\u3044\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6761\u4ef6<\/h2>\n<p>NN\/g \u306e\u8a18\u4e8b\u300c<a href=\"https:\/\/www.nngroup.com\/articles\/error-message-guidelines\/\" target=\"_blank\" rel=\"noopener\">Error-Message Guidelines<\/a>\u300d\uff08\u30c6\u30a3\u30e0\u30fb\u30ce\u30a4\u30bc\u30c3\u30b5\u30fc\u3068\u30a8\u30f4\u30a1\u30f3\u30fb\u30b5\u30f3\u30a6\u30a9\u30fc\u30eb\u30012023\u5e74\uff09\u306f\u300113\u306e\u6307\u91dd\u3092\u30014\u3064\u306e\u307e\u3068\u307e\u308a\u306b\u3057\u3066\u3044\u308b\u3002\u4e3b\u306a\u3082\u306e\u3092\u7d39\u4ecb\u3059\u308b\u3002<\/p>\n<h3>\u898b\u3064\u3051\u3084\u3059\u304f\u3059\u308b<\/h3>\n<ul>\n<li>\u539f\u56e0\u306e\u8fd1\u304f\u306b\u51fa\u3059\u3002\u76f4\u3059\u6b04\u306e\u3059\u3050\u305d\u3070\u306b\u8868\u793a\u3059\u308b\u3002\u753b\u9762\u306e\u4e0a\u306e\u307b\u3046\u306b\u3001\u307e\u3068\u3081\u3066\u51fa\u3059\u3060\u3051\u3060\u3068\u3001\u3069\u306e\u6b04\u306e\u3053\u3068\u304b\u5206\u304b\u308a\u306b\u304f\u3044\u3002<\/li>\n<li>\u8272\u3060\u3051\u306b\u983c\u3089\u306a\u3044\u3002\u8d64\u3044\u6587\u5b57\u306b\u52a0\u3048\u3066\u3001\u30a2\u30a4\u30b3\u30f3\u3084\u67a0\u7dda\u3082\u4f7f\u3046\u3002\u8272\u306e\u9055\u3044\u3092\u898b\u5206\u3051\u306b\u304f\u3044\u4eba\u306b\u3082\u3001\u4f1d\u308f\u308b\u3002<\/li>\n<li>\u6df1\u523b\u3055\u306b\u5408\u308f\u305b\u308b\u3002\u8efd\u3044\u6ce8\u610f\u306f\u3001\u6b04\u306e\u305d\u3070\u306e\u77ed\u3044\u8868\u793a\u3067\u3088\u3044\u3002\u64cd\u4f5c\u3092\u6b62\u3081\u308b\u30c0\u30a4\u30a2\u30ed\u30b0\u306f\u3001\u91cd\u5927\u306a\u554f\u984c\u3060\u3051\u306b\u4f7f\u3046\u3002<\/li>\n<li>\u65e9\u304f\u51fa\u3057\u3059\u304e\u306a\u3044\u3002\u6b04\u304b\u3089\u3001\u30ab\u30fc\u30bd\u30eb\u304c\u96e2\u308c\u305f\u3060\u3051\u3067\u3001\u30a8\u30e9\u30fc\u3092\u51fa\u3055\u306a\u3044\u3002\u5165\u529b\u306e\u9014\u4e2d\u3067\u3001\u9593\u9055\u3044\u3068\u6c7a\u3081\u3064\u3051\u306a\u3044\u3002<\/li>\n<\/ul>\n<h3>\u5206\u304b\u308a\u3084\u3059\u304f\u4f1d\u3048\u308b<\/h3>\n<ul>\n<li>\u3084\u3055\u3057\u3044\u8a00\u8449\u3067\u66f8\u304f\u3002\u5c02\u9580\u7528\u8a9e\u3084\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3060\u3051\u3092\u3001\u51fa\u3055\u306a\u3044\u3002<\/li>\n<li>\u77ed\u304f\u3001\u5177\u4f53\u7684\u306b\u66f8\u304f\u3002\u300c\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u300d\u3067\u306f\u3001\u5f79\u306b\u7acb\u305f\u306a\u3044\u3002\u4f55\u304c\u8d77\u304d\u305f\u304b\u3092\u3001\u7c21\u6f54\u306b\u66f8\u304f\u3002<\/li>\n<li>\u6b21\u306e\u884c\u52d5\u3092\u793a\u3059\u3002\u5728\u5eab\u5207\u308c\u306a\u3089\u3001\u518d\u5165\u8377\u306e\u4e88\u5b9a\u65e5\u3084\u3001\u5165\u8377\u306e\u901a\u77e5\u306e\u767b\u9332\u3092\u793a\u3059\u3002<\/li>\n<li>\u8cac\u3081\u306a\u3044\u3002\u300c\u7121\u52b9\u3067\u3059\u300d\u300c\u9593\u9055\u3063\u3066\u3044\u307e\u3059\u300d\u3068\u3044\u3063\u305f\u8a00\u3044\u65b9\u306f\u3001\u5229\u7528\u8005\u3092\u8cac\u3081\u308b\u5370\u8c61\u3092\u4e0e\u3048\u308b\u3002<\/li>\n<\/ul>\n<h3>\u76f4\u3059\u624b\u9593\u3092\u6e1b\u3089\u3059<\/h3>\n<ul>\n<li>\u9593\u9055\u3044\u3084\u3059\u3044\u3053\u3068\u306f\u3001\u5148\u306b\u9632\u3050\u3002\u300c\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3092\u304a\u5fd8\u308c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304b\u300d\u3068\u3001\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\u524d\u306b\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n<li>\u5165\u529b\u3092\u6b8b\u3059\u3002\u30a8\u30e9\u30fc\u306e\u3042\u3068\u306b\u3001\u5165\u529b\u3057\u305f\u5185\u5bb9\u304c\u6d88\u3048\u308b\u3068\u3001\u6700\u521d\u304b\u3089\u3084\u308a\u76f4\u3057\u306b\u306a\u308b\u3002<\/li>\n<li>\u76f4\u3057\u65b9\u3092\u9078\u3079\u308b\u3088\u3046\u306b\u3059\u308b\u3002\u90f5\u4fbf\u756a\u53f7\u3068\u5e02\u533a\u753a\u6751\u304c\u5408\u308f\u306a\u3044\u3068\u304d\u3001\u5408\u3046\u5e02\u533a\u753a\u6751\u3092\u3001\u30dc\u30bf\u30f3\u3067\u9078\u3079\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/li>\n<li>\u4ed5\u7d44\u307f\u3092\u6559\u3048\u308b\u3002\u300c\u5370\u5237\u3067\u304d\u306a\u3044\u7bc4\u56f2\u306e\u6587\u5b57\u306f\u3001\u5207\u308c\u307e\u3059\u300d\u306e\u3088\u3046\u306b\u3001\u7406\u7531\u3092\u77ed\u304f\u4f1d\u3048\u308b\u3002<\/li>\n<\/ul>\n<h3>\u3069\u3046\u3057\u3088\u3046\u3082\u306a\u3044\u3068\u304d<\/h3>\n<ul>\n<li>\u3084\u308f\u3089\u304b\u304f\u4f1d\u3048\u308b\u3002\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u304c\u6b62\u307e\u3063\u3066\u3044\u3066\u3001\u5229\u7528\u8005\u306b\u6253\u3064\u624b\u304c\u306a\u3044\u3068\u304d\u306f\u3001\u304a\u8a6b\u3073\u306b\u52a0\u3048\u3066\u3001\u3061\u3087\u3063\u3068\u3057\u305f\u5de5\u592b\u3092\u6dfb\u3048\u308b\u3002<\/li>\n<\/ul>\n<h2>\u60aa\u3044\u4f8b\u3068\u3001\u3088\u3044\u4f8b<\/h2>\n<p>\u56f31\u306f\u3001\u540c\u3058\u5165\u529b\u30df\u30b9\u306b\u5bfe\u3059\u308b\u30012\u901a\u308a\u306e\u30a8\u30e9\u30fc\u8868\u793a\u3067\u3042\u308b\u3002<\/p>\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1440\" height=\"640\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/11\/error-message-fig1.png\" alt=\"\u3069\u3053\u304c\u9593\u9055\u3044\u304b\u5206\u304b\u3089\u306a\u3044\u30a8\u30e9\u30fc\u8868\u793a\u3068\u3001\u76f4\u3059\u5834\u6240\u3068\u76f4\u3057\u65b9\u304c\u5206\u304b\u308b\u30a8\u30e9\u30fc\u8868\u793a\u306e\u6bd4\u8f03\" class=\"wp-image-39758\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/11\/error-message-fig1.png 1440w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/11\/error-message-fig1-300x133.png 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/11\/error-message-fig1-1024x455.png 1024w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/11\/error-message-fig1-768x341.png 768w\" sizes=\"auto, (max-width: 1440px) 100vw, 1440px\" \/><figcaption>\u56f31\uff1a\u540c\u3058\u5165\u529b\u30df\u30b9\u3078\u306e\u30a8\u30e9\u30fc\u8868\u793a\u306e\u6bd4\u8f03\uff08\u8aac\u660e\u7528\u306b\u4f5c\u3063\u305f\u4f8b\u3002\u6307\u91dd\u306f <a href=\"https:\/\/www.nngroup.com\/articles\/error-message-guidelines\/\" target=\"_blank\" rel=\"noopener\">NN\/g\u300cError-Message Guidelines\u300d<\/a>\u306b\u57fa\u3065\u304f\uff09<\/figcaption><\/figure>\n<ul>\n<li><strong>\u00d7<\/strong> \u300c\u5165\u529b\u5185\u5bb9\u304c\u6b63\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u300d\uff08\u3069\u3053\u304c\u3001\u4f55\u304c\u3001\u5206\u304b\u3089\u306a\u3044\uff09<\/li>\n<li><strong>\u00d7<\/strong> \u300c\u7121\u52b9\u306a\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3067\u3059\u300d\uff08\u8cac\u3081\u308b\u8a00\u3044\u65b9\u3067\u3001\u76f4\u3057\u65b9\u3082\u5206\u304b\u3089\u306a\u3044\uff09<\/li>\n<li><strong>\u25cb<\/strong> \u300c\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306b @ \u304c\u3042\u308a\u307e\u305b\u3093\u3002\u4f8b\uff1asato@example.com\u300d<\/li>\n<\/ul>\n<h2>\u8a9e\u6e90\u30fb\u4f4d\u7f6e\u3065\u3051<\/h2>\n<p>\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u5229\u7528\u8005\u304c\u9593\u9055\u3048\u305f\u3068\u304d\u306b\u3001\u753b\u9762\u304c\u8fd4\u3059<a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/ui-feedback\/\">\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af<\/a>\u306e1\u3064\u3067\u3042\u308b\u3002NN\/g \u306e\u300c\u30e6\u30fc\u30b6\u30d3\u30ea\u30c6\u30a3\u306e10\u539f\u5247\u300d\u306b\u306f\u3001\u30a8\u30e9\u30fc\u306e\u6271\u3044\u306b\u95a2\u3059\u308b\u539f\u5247\u3082\u3042\u308b\u3002\u6307\u91dd\u306f\u3001NN\/g \u306e\u8a18\u4e8b\u306b\u57fa\u3065\u304f\u3002<\/p>\n<h2>\u51fa\u5178<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.nngroup.com\/articles\/error-message-guidelines\/\" target=\"_blank\" rel=\"noopener\">Nielsen Norman Group\u300cError-Message Guidelines\u300d<\/a>\uff08Tim Neusesser, Evan Sunwall\u30012023\u5e745\u670814\u65e5\uff09<\/li>\n<\/ul>\n<h2>\u95a2\u9023\u7528\u8a9e<\/h2>\n<ul>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/human-error\/\">\u30d2\u30e5\u30fc\u30de\u30f3\u30a8\u30e9\u30fc<\/a><\/li>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/ui-feedback\/\">UI\u306e\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af<\/a><\/li>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/10-usability-heuristics-for-user-interface-design\/\">\u30e6\u30fc\u30b6\u30d3\u30ea\u30c6\u30a3\u306e10\u539f\u5247<\/a><\/li>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/usability\/\">\u30e6\u30fc\u30b6\u30d3\u30ea\u30c6\u30a3<\/a><\/li>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/dark-pattern\/\">\u30c0\u30fc\u30af\u30d1\u30bf\u30fc\u30f3<\/a><\/li>\n<li><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/ux-writing\/\">UX\u30e9\u30a4\u30c6\u30a3\u30f3\u30b0<\/a><\/li>\n<li><a 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