{"id":4237,"date":"2026-03-24T12:57:08","date_gmt":"2026-03-24T12:57:08","guid":{"rendered":"https:\/\/www.diagrams-ai.com\/ja\/what-is-a-dfd-step-by-step-guide\/"},"modified":"2026-03-24T12:57:08","modified_gmt":"2026-03-24T12:57:08","slug":"what-is-a-dfd-step-by-step-guide","status":"publish","type":"post","link":"https:\/\/www.diagrams-ai.com\/ja\/what-is-a-dfd-step-by-step-guide\/","title":{"rendered":"DFD\u3068\u306f\u4f55\u304b\uff1f\u521d\u5fc3\u8005\u306e\u30a2\u30ca\u30ea\u30b9\u30c8\u5411\u3051\u306e\u660e\u78ba\u3067\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u306e\u89e3\u8aac"},"content":{"rendered":"<p>\u8907\u96d1\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u5358\u306b\u8a71\u3059\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u3067\u3059\u3002\u60c5\u5831\u304c\u305d\u306e\u4e2d\u3092\u3069\u306e\u3088\u3046\u306b\u79fb\u52d5\u3059\u308b\u304b\u3092\u53ef\u8996\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u304c<strong>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0<\/strong>\u3001\u901a\u79f0DFD\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u3053\u305d\u3001\u30d3\u30b8\u30cd\u30b9\u304a\u3088\u3073\u30b7\u30b9\u30c6\u30e0\u30a2\u30ca\u30ea\u30b9\u30c8\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u306a\u30c4\u30fc\u30eb\u3068\u306a\u308a\u307e\u3059\u3002\u65b0\u3057\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8a2d\u8a08\u3001\u65e2\u5b58\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u76e3\u67fb\u3001\u8981\u4ef6\u306e\u6587\u66f8\u5316\u306a\u3069\u3001\u3069\u306e\u3088\u3046\u306a\u72b6\u6cc1\u306b\u304a\u3044\u3066\u3082DFD\u306e\u57fa\u672c\u3092\u7fd2\u5f97\u3059\u308b\u3053\u3068\u306f\u3001\u660e\u78ba\u306a\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001DFD\u3068\u306f\u4f55\u304b\u3001\u305d\u306e\u6838\u5fc3\u7684\u306a\u69cb\u6210\u8981\u7d20\u3001\u305d\u3057\u3066\u52b9\u679c\u7684\u306b\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u5305\u62ec\u7684\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u3068\u306f\u3001\u60c5\u5831\u30b7\u30b9\u30c6\u30e0\u5185\u3092\u6d41\u308c\u308b\u30c7\u30fc\u30bf\u306e\u6d41\u308c\u3092\u56f3\u5f0f\u5316\u3057\u305f\u3082\u306e\u3067\u3042\u308b\u3002\u30c7\u30fc\u30bf\u304c\u30b7\u30b9\u30c6\u30e0\u306b\u5165\u529b\u3055\u308c\u308b\u65b9\u6cd5\u3001\u51e6\u7406\u3055\u308c\u308b\u65b9\u6cd5\u3001\u4fdd\u5b58\u3055\u308c\u308b\u5834\u6240\u3001\u305d\u3057\u3066\u51fa\u529b\u3055\u308c\u308b\u65b9\u6cd5\u3092\u793a\u3059\u3002\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8\u304c\u5236\u5fa1\u30d5\u30ed\u30fc\u3068\u8ad6\u7406\u306b\u7126\u70b9\u3092\u5f53\u3066\u308b\u306e\u306b\u5bfe\u3057\u3001DFD\u306f\u30c7\u30fc\u30bf\u306e\u79fb\u52d5\u306b\u306e\u307f\u6ce8\u76ee\u3059\u308b\u3002\u3053\u306e\u9055\u3044\u306f\u3001\u610f\u601d\u6c7a\u5b9a\u306e\u8ad6\u7406\u306b\u5dfb\u304d\u8fbc\u307e\u308c\u308b\u3053\u3068\u306a\u304f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u6a5f\u80fd\u3092\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u30a2\u30ca\u30ea\u30b9\u30c8\u306b\u3068\u3063\u3066\u6975\u3081\u3066\u91cd\u8981\u3067\u3042\u308b\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Sketch-style infographic explaining Data Flow Diagrams (DFD) for business analysts, showing four core components (external entities, processes, data stores, data flows), hierarchical DFD levels from context diagram to detailed processes, step-by-step creation guide, DFD vs flowchart comparison, essential rules, key benefits, and an order processing system example\" decoding=\"async\" src=\"https:\/\/www.diagrams-ai.com\/wp-content\/uploads\/2026\/03\/data-flow-diagram-dfd-guide-infographic-sketch.jpg\"\/><\/figure>\n<\/div>\n<h2>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u306e\u6838\u5fc3\u7684\u306a\u69cb\u6210\u8981\u7d20 \ud83e\udde9<\/h2>\n<p>\u3059\u3079\u3066\u306eDFD\u306f\u30014\u3064\u306e\u57fa\u672c\u7684\u306a\u8a18\u53f7\u306b\u57fa\u3065\u3044\u3066\u69cb\u7bc9\u3055\u308c\u308b\u3002\u30e1\u30bd\u30c9\u30ed\u30b8\u30fc\u306b\u3088\u3063\u3066\u8a18\u6cd5\u306e\u30b9\u30bf\u30a4\u30eb\u306f\u308f\u305a\u304b\u306b\u7570\u306a\u308b\u304c\u3001\u6839\u672c\u7684\u306a\u6982\u5ff5\u306f\u4e00\u8cab\u3057\u3066\u3044\u308b\u3002\u59a5\u5f53\u306a\u56f3\u3092\u63cf\u304f\u305f\u3081\u306b\u306f\u3001\u5404\u8981\u7d20\u306e\u5f79\u5272\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<ul>\n<li><strong>\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff1a<\/strong>\u7d42\u7aef\u307e\u305f\u306f\u30bd\u30fc\u30b9\/\u30b7\u30f3\u30af\u3068\u3082\u547c\u3070\u308c\u308b\u3082\u306e\u3067\u3001\u30e2\u30c7\u30eb\u5316\u5bfe\u8c61\u306e\u30b7\u30b9\u30c6\u30e0\u3068\u3084\u308a\u53d6\u308a\u3059\u308b\u4eba\u3001\u7d44\u7e54\u3001\u307e\u305f\u306f\u4ed6\u306e\u30b7\u30b9\u30c6\u30e0\u3092\u8868\u3059\u3002\u5165\u529b\u30c7\u30fc\u30bf\u306e\u767a\u751f\u6e90\u307e\u305f\u306f\u51fa\u529b\u30c7\u30fc\u30bf\u306e\u5230\u7740\u5148\u3067\u3042\u308b\u3002\u30b7\u30b9\u30c6\u30e0\u306e\u5883\u754c\u5916\u306b\u5b58\u5728\u3059\u308b\u3002<\/li>\n<li><strong>\u30d7\u30ed\u30bb\u30b9\uff1a<\/strong>\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u884c\u308f\u308c\u308b\u4f5c\u696d\u3092\u8868\u3059\u3002\u30d7\u30ed\u30bb\u30b9\u306f\u5165\u529b\u30c7\u30fc\u30bf\u3092\u51fa\u529b\u30c7\u30fc\u30bf\u306b\u5909\u63db\u3059\u308b\u3002\u8a08\u7b97\u3001\u691c\u8a3c\u30b9\u30c6\u30c3\u30d7\u3001\u4e26\u3079\u66ff\u3048\u64cd\u4f5c\u306a\u3069\u304c\u542b\u307e\u308c\u308b\u3002\u3059\u3079\u3066\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u306f\u3001\u5c11\u306a\u304f\u3068\u30821\u3064\u306e\u5165\u529b\u30681\u3064\u306e\u51fa\u529b\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\uff1a<\/strong>\u30c7\u30fc\u30bf\u3092\u5f8c\u3067\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u4fdd\u6301\u3059\u308b\u5834\u6240\u3092\u6307\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3001\u30d5\u30a1\u30a4\u30eb\u3001\u307e\u305f\u306f\u624b\u52d5\u306e\u8a18\u9332\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3092\u8868\u3059\u3002\u30c7\u30fc\u30bf\u306f\u30d7\u30ed\u30bb\u30b9\u3092\u7d4c\u305a\u306b\u30011\u3064\u306e\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u304b\u3089\u5225\u306e\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3078\u76f4\u63a5\u6d41\u308c\u308b\u3053\u3068\u306f\u306a\u3044\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\uff1a<\/strong>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u3064\u306a\u3050\u7dda\u3067\u3042\u308a\u3001\u30c7\u30fc\u30bf\u306e\u79fb\u52d5\u3092\u793a\u3059\u3002\u8ee2\u9001\u3055\u308c\u308b\u30c7\u30fc\u30bf\u306e\u540d\u524d\u3067\u30e9\u30d9\u30eb\u4ed8\u3051\u3055\u308c\u308b\u3002\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u306f\u7269\u7406\u7684\u306a\u914d\u7dda\u3084\u63a5\u7d9a\u3067\u306f\u306a\u304f\u3001\u60c5\u5831\u306e\u6d41\u308c\u3092\u8868\u3059\u3002<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>\u69cb\u6210\u8981\u7d20<\/th>\n<th>\u8a18\u53f7\u306e\u8aac\u660e<\/th>\n<th>\u6a5f\u80fd<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3<\/td>\n<td>\u9577\u65b9\u5f62\u307e\u305f\u306f\u6b63\u65b9\u5f62<\/td>\n<td>\u30c7\u30fc\u30bf\u306e\u767a\u751f\u6e90\u307e\u305f\u306f\u5230\u7740\u5148<\/td>\n<\/tr>\n<tr>\n<td>\u30d7\u30ed\u30bb\u30b9<\/td>\n<td>\u5186\u307e\u305f\u306f\u89d2\u4e38\u9577\u65b9\u5f62<\/td>\n<td>\u30c7\u30fc\u30bf\u3092\u5909\u63db\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2<\/td>\n<td>\u958b\u304b\u308c\u305f\u9577\u65b9\u5f62\u307e\u305f\u306f\u5e73\u884c\u7dda<\/td>\n<td>\u5f8c\u3067\u4f7f\u7528\u3059\u308b\u305f\u3081\u306e\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc<\/td>\n<td>\u77e2\u5370<\/td>\n<td>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u3067\u30c7\u30fc\u30bf\u3092\u79fb\u52d5\u3059\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>DFD\u306e\u30ec\u30d9\u30eb\u3092\u7406\u89e3\u3059\u308b \ud83d\udcc9<\/h2>\n<p>DFD\u306f\u901a\u5e38\u3001\u9ad8\u30ec\u30d9\u30eb\u306e\u62bd\u8c61\u304b\u3089\u8a73\u7d30\u306a\u5177\u4f53\u7684\u306a\u5185\u5bb9\u3078\u3068\u79fb\u884c\u3059\u308b\u6bb5\u968e\u7684\u306a\u30ec\u30d9\u30eb\u3067\u4f5c\u6210\u3055\u308c\u308b\u3002\u3053\u306e\u624b\u6cd5\u306f\u300c<strong>\u5206\u89e3<\/strong>\u300d\u3068\u547c\u3070\u308c\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u95a2\u4fc2\u8005\u304c\u7d30\u90e8\u306b\u98db\u3073\u8fbc\u3080\u524d\u306b\u5168\u4f53\u50cf\u3092\u7406\u89e3\u3067\u304d\u308b\u3002<\/p>\n<h3>1. \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u56f3\uff08\u30ec\u30d9\u30eb0\uff09<\/h3>\n<p>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u56f3\u306f\u6700\u3082\u9ad8\u30ec\u30d9\u30eb\u306e\u8996\u70b9\u3067\u3042\u308b\u3002\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3092\u5358\u4e00\u306e\u30d7\u30ed\u30bb\u30b9\u3068\u3057\u3066\u8868\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u306e\u5883\u754c\u3068\u5916\u90e8\u4e16\u754c\u3068\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u793a\u3059\u3002\u3053\u306e\u56f3\u306f\u3001\u300c\u30b7\u30b9\u30c6\u30e0\u3068\u306f\u4f55\u304b\u3001\u8ab0\u3068\u3084\u308a\u53d6\u308a\u3057\u3066\u3044\u308b\u306e\u304b\uff1f\u300d\u3068\u3044\u3046\u554f\u3044\u306b\u7b54\u3048\u308b\u3002<\/p>\n<ul>\n<li><strong>1\u3064\u306e\u30d7\u30ed\u30bb\u30b9\uff1a<\/strong> \u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u304c1\u3064\u306e\u30d0\u30d6\u30eb\u3067\u8868\u3055\u308c\u308b\u3002<\/li>\n<li><strong>\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff1a<\/strong> \u5916\u90e8\u306e\u3059\u3079\u3066\u306e\u60c5\u5831\u6e90\u3068\u5b9b\u5148\u304c\u793a\u3055\u308c\u308b\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\uff1a<\/strong> \u4e3b\u306a\u5165\u529b\u3068\u51fa\u529b\u306e\u307f\u304c\u63cf\u304b\u308c\u308b\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u306a\u3057\uff1a<\/strong> \u5185\u90e8\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u306f\u3053\u306e\u30ec\u30d9\u30eb\u3067\u306f\u975e\u8868\u793a\u3067\u3042\u308b\u3002<\/li>\n<\/ul>\n<h3>2. \u30ec\u30d9\u30eb0\u56f3\uff08\u5206\u89e3\uff09<\/h3>\n<p>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u304c\u78ba\u7acb\u3055\u308c\u308b\u3068\u3001\u5358\u4e00\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u4e3b\u8981\u306a\u30b5\u30d6\u30d7\u30ed\u30bb\u30b9\u306b\u5206\u89e3\u3055\u308c\u308b\u3002\u3053\u306e\u56f3\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u9ad8\u30ec\u30d9\u30eb\u306a\u6a5f\u80fd\u9818\u57df\u3092\u793a\u3059\u3002\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3092\u5c0e\u5165\u3057\u3001\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092\u3088\u308a\u6271\u3044\u3084\u3059\u3044\u90e8\u5206\u306b\u5206\u5272\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u8907\u6570\u306e\u30d7\u30ed\u30bb\u30b9\uff1a<\/strong> \u901a\u5e38\u30013\uff5e7\u3064\u306e\u4e3b\u8981\u306a\u30d7\u30ed\u30bb\u30b9\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\uff1a<\/strong> \u4e3b\u8981\u306a\u30ea\u30dd\u30b8\u30c8\u30ea\u304c\u7279\u5b9a\u3055\u308c\u308b\u3002<\/li>\n<li><strong>\u4e00\u8cab\u6027\uff1a<\/strong> \u5165\u529b\u3068\u51fa\u529b\u306f\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u56f3\u3068\u5b8c\u5168\u306b\u4e00\u81f4\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/li>\n<\/ul>\n<h3>3. 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\u2705<\/h2>\n<p>\u30e2\u30c7\u30eb\u306e\u6574\u5408\u6027\u3092\u4fdd\u3064\u305f\u3081\u3001\u30a2\u30ca\u30ea\u30b9\u30c8\u306f\u7279\u5b9a\u306e\u30eb\u30fc\u30eb\u3092\u9075\u5b88\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u3053\u308c\u3089\u306e\u30eb\u30fc\u30eb\u3092\u9055\u53cd\u3059\u308b\u3068\u3001\u6df7\u4e71\u3092\u62db\u304d\u3001\u4e0d\u6b63\u78ba\u306a\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u9593\u306e\u76f4\u63a5\u7684\u306a\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u306f\u7981\u6b62\uff1a<\/strong>\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u9593\u3067\u30c7\u30fc\u30bf\u304c\u30b7\u30b9\u30c6\u30e0\u3092\u7d4c\u7531\u305b\u305a\u306b\u76f4\u63a5\u6d41\u308c\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002\u3082\u3057\u76f4\u63a5\u6d41\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u51e6\u7406\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u30b7\u30b9\u30c6\u30e0\u306b\u6b20\u3051\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308b\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u9593\u306e\u76f4\u63a5\u7684\u306a\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u306f\u7981\u6b62\uff1a<\/strong>\u30d7\u30ed\u30bb\u30b9\u306a\u3057\u306b\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u9593\u3067\u30c7\u30fc\u30bf\u304c\u79fb\u52d5\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002\u4f55\u3089\u304b\u306e\u51e6\u7406\u306b\u3088\u3063\u3066\u30c7\u30fc\u30bf\u304c\u5909\u63db\u3055\u308c\u305f\u308a\u79fb\u52d5\u3055\u308c\u305f\u308a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\uff08\u305f\u3068\u3048\u3070\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30d7\u30ed\u30bb\u30b9\u3084\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30b9\u30af\u30ea\u30d7\u30c8\u306a\u3069\uff09\u3002<\/li>\n<li><strong>\u3059\u3079\u3066\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u306f\u5165\u529b\u3068\u51fa\u529b\u304c\u5fc5\u8981\uff1a<\/strong>\u30c7\u30fc\u30bf\u304c\u5165\u3063\u3066\u304f\u308b\u304c\u3001\u51fa\u529b\u304c\u306a\u3044\u30d7\u30ed\u30bb\u30b9\u306f\u300c\u30b7\u30f3\u30af\u300d\u3068\u547c\u3070\u308c\u3001\u6280\u8853\u7684\u306b\u306f\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3067\u3042\u308a\u30d7\u30ed\u30bb\u30b9\u3067\u306f\u306a\u3044\u3002\u540c\u69d8\u306b\u3001\u5165\u529b\u306e\u306a\u3044\u30d7\u30ed\u30bb\u30b9\u306f\u300c\u30bd\u30fc\u30b9\u300d\u3067\u3042\u308b\u3002<\/li>\n<li><strong>\u547d\u540d\u898f\u5247\uff1a<\/strong>\u30d7\u30ed\u30bb\u30b9\u306f\u52d5\u8a5e\uff0b\u540d\u8a5e\u306e\u69cb\u9020\u3067\u547d\u540d\u3059\u308b\uff08\u4f8b\uff1a\u300c\u7a0e\u91d1\u3092\u8a08\u7b97\u3059\u308b\u300d\uff09\u3002\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3068\u30b9\u30c8\u30a2\u306f\u540d\u8a5e\u69cb\u9020\u3067\u547d\u540d\u3059\u308b\uff08\u4f8b\uff1a\u300c\u7a0e\u7387\u300d\uff09\u3002<\/li>\n<li><strong>\u4e00\u8cab\u3057\u305f\u547d\u540d\uff1a<\/strong>\u4e0a\u4f4d\u30ec\u30d9\u30eb\u306e\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u306e\u540d\u524d\u306f\u3001\u4e0b\u4f4d\u30ec\u30d9\u30eb\u306e\u30d5\u30ed\u30fc\u306e\u540d\u524d\u3068\u4e00\u81f4\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u30ec\u30d9\u30eb0\u3067\u300c\u9867\u5ba2\u30c7\u30fc\u30bf\u300d\u3068\u547c\u3076\u306a\u3089\u3001\u30ec\u30d9\u30eb1\u3067\u300c\u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u300d\u3068\u306f\u547c\u3070\u306a\u3044\u3002\u95a2\u4fc2\u3092\u660e\u78ba\u306b\u5b9a\u7fa9\u3057\u306a\u3044\u9650\u308a\u306f\u3002<\/li>\n<\/ul>\n<h2>\u907f\u3051\u305f\u3044\u4e00\u822c\u7684\u306a\u30df\u30b9 \u26a0\ufe0f<\/h2>\n<p>\u7d4c\u9a13\u8c4a\u5bcc\u306a\u30a2\u30ca\u30ea\u30b9\u30c8\u3067\u3059\u3089\u30e2\u30c7\u30eb\u4f5c\u6210\u6642\u306b\u30df\u30b9\u3092\u72af\u3059\u3053\u3068\u304c\u3042\u308b\u3002\u3053\u308c\u3089\u306e\u843d\u3068\u3057\u7a74\u3092\u65e9\u671f\u306b\u8a8d\u8b58\u3059\u308b\u3053\u3068\u3067\u3001\u30ec\u30d3\u30e5\u30fc\u6bb5\u968e\u3067\u306e\u6642\u9593\u3092\u5927\u5e45\u306b\u7bc0\u7d04\u3067\u304d\u308b\u3002<\/p>\n<ul>\n<li><strong>\u5236\u5fa1\u30d5\u30ed\u30fc\u3068\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u306e\u9055\u3044\uff1a<\/strong>\u30d7\u30ed\u30bb\u30b9\u304c\u3044\u3064\u767a\u751f\u3059\u308b\u304b\uff08\u5236\u5fa1\uff09\u3068\u3001\u4f55\u306e\u30c7\u30fc\u30bf\u304c\u79fb\u52d5\u3055\u308c\u308b\u304b\uff08\u30c7\u30fc\u30bf\uff09\u3092\u6df7\u540c\u3057\u3066\u306f\u306a\u3089\u306a\u3044\u3002DFD\u306f\u30eb\u30fc\u30d7\u3084\u6761\u4ef6\u3092\u660e\u793a\u7684\u306b\u793a\u3055\u306a\u3044\u3002<\/li>\n<li><strong>\u904e\u5ea6\u306a\u8907\u96d1\u3055\uff1a<\/strong>50\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u542b\u3080\u5358\u4e00\u306e\u56f3\u306f\u3001\u3057\u3070\u3057\u3070\u8aad\u307f\u3065\u3089\u3044\u3002\u5206\u89e3\u3092\u6d3b\u7528\u3057\u3066\u3001\u56f3\u3092\u660e\u78ba\u304b\u3064\u7ba1\u7406\u3057\u3084\u3059\u3044\u72b6\u614b\u306b\u4fdd\u3064\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u306e\u6b20\u843d\uff1a<\/strong>\u30c7\u30fc\u30bf\u304c\u4fdd\u5b58\u3055\u308c\u308b\u5834\u6240\u3092\u793a\u3059\u306e\u3092\u5fd8\u308c\u308b\u3068\u3001\u30b9\u30c6\u30c3\u30d7\u9593\u3067\u60c5\u5831\u304c\u5931\u308f\u308c\u308b\u8a2d\u8a08\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li>\n<li><strong>\u30d6\u30e9\u30c3\u30af\u30db\u30fc\u30eb\uff1a<\/strong>\u5165\u529b\u306f\u3042\u308b\u304c\u51fa\u529b\u304c\u306a\u3044\u30d7\u30ed\u30bb\u30b9\u306f\u30d6\u30e9\u30c3\u30af\u30db\u30fc\u30eb\u3067\u3042\u308b\u3002\u30c7\u30fc\u30bf\u3092\u6d88\u8cbb\u3059\u308b\u304c\u3001\u4f55\u306e\u6210\u679c\u3082\u751f\u307e\u306a\u3044\u3002<\/li>\n<li><strong>\u5947\u8de1\u7684\u306a\u30d7\u30ed\u30bb\u30b9\uff1a<\/strong>\u51fa\u529b\u306f\u3042\u308b\u304c\u5165\u529b\u304c\u306a\u3044\u30d7\u30ed\u30bb\u30b9\u306f\u5947\u8de1\u3067\u3042\u308b\u3002\u4f55\u3082\u306a\u3044\u3068\u3053\u308d\u304b\u3089\u30c7\u30fc\u30bf\u3092\u751f\u307f\u51fa\u3059\u3002<\/li>\n<\/ul>\n<h2>DFD\u3068\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b \ud83d\udd04<\/h2>\n<p>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u3068\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8\u306e\u9593\u306b\u6df7\u4e71\u304c\u751f\u3058\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u898b\u305f\u76ee\u306f\u4f3c\u3066\u3044\u308b\u304c\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u76ee\u7684\u3092\u6301\u3064\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7279\u5fb4<\/th>\n<th>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\uff08DFD\uff09<\/th>\n<th>\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u6ce8\u76ee\u70b9<\/strong><\/td>\n<td>\u30c7\u30fc\u30bf\u306e\u79fb\u52d5\u3068\u5909\u63db\u306b\u6ce8\u76ee\u3059\u308b\u3002<\/td>\n<td>\u5236\u5fa1\u30d5\u30ed\u30fc\u3068\u610f\u601d\u6c7a\u5b9a\u8ad6\u7406\u306b\u6ce8\u76ee\u3059\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8ad6\u7406<\/strong><\/td>\n<td>\u610f\u601d\u6c7a\u5b9a\u30dd\u30a4\u30f3\u30c8\u3084\u30eb\u30fc\u30d7\u3092\u793a\u3055\u306a\u3044\u3002<\/td>\n<td>\u610f\u601d\u6c7a\u5b9a\uff08\u30c0\u30a4\u30a2\u30e2\u30f3\u30c9\uff09\u3068\u30eb\u30fc\u30d7\u3092\u660e\u793a\u7684\u306b\u793a\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30bf\u30a4\u30df\u30f3\u30b0<\/strong><\/td>\n<td>\u9806\u5e8f\u3084\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u793a\u3055\u306a\u3044\u3002<\/td>\n<td>\u51e6\u7406\u306e\u9806\u5e8f\u3092\u793a\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7528\u9014<\/strong><\/td>\n<td>\u8981\u4ef6\u5206\u6790\u3068\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u3002<\/td>\n<td>\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u8a2d\u8a08\u3068\u5b9f\u88c5\u8ad6\u7406\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u3053\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u9069\u5207\u306a\u30c4\u30fc\u30eb\u3092\u9069\u5207\u306a\u76ee\u7684\u306b\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u610f\u601d\u6c7a\u5b9a\u306e\u4ed5\u7d44\u307f\u3092\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8\u3092\u4f7f\u3044\u3001\u610f\u601d\u6c7a\u5b9a\u3092\u652f\u3048\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u3092\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306fDFD\u3092\u4f7f\u3046\u3002<\/p>\n<h2>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u306e\u5229\u70b9 \ud83c\udf1f<\/h2>\n<p>\u3053\u308c\u3089\u306e\u56f3\u3092\u63cf\u304f\u305f\u3081\u306b\u6642\u9593\u3092\u6295\u8cc7\u3059\u308b\u7406\u7531\u306f\u4f55\u304b\uff1f\u305d\u306e\u4fa1\u5024\u306f\u6587\u66f8\u5316\u3092\u306f\u308b\u304b\u306b\u8d85\u3048\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5411\u4e0a\uff1a<\/strong>\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u3001\u958b\u767a\u8005\u3001\u30d3\u30b8\u30cd\u30b9\u30e6\u30fc\u30b6\u30fc\u304c\u7406\u89e3\u3067\u304d\u308b\u8996\u899a\u7684\u8a00\u8a9e\u3092\u63d0\u4f9b\u3059\u308b\u3002\u6280\u8853\u8005\u3068\u975e\u6280\u8853\u8005\u30c1\u30fc\u30e0\u306e\u9593\u306e\u6e9d\u3092\u57cb\u3081\u308b\u3002<\/li>\n<li><strong>\u8981\u4ef6\u306e\u53ce\u96c6\u306e\u5411\u4e0a\uff1a<\/strong>\u56f3\u3092\u63cf\u304f\u3068\u3044\u3046\u884c\u70ba\u306f\u3001\u4f5c\u6210\u6bb5\u968e\u3067\u6b20\u843d\u3057\u3066\u3044\u308b\u8981\u4ef6\u3084\u4e0d\u660e\u77ad\u306a\u30d7\u30ed\u30bb\u30b9\u3092\u660e\u3089\u304b\u306b\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3002<\/li>\n<li><strong>\u30b7\u30b9\u30c6\u30e0\u5206\u6790\uff1a<\/strong>\u91cd\u8907\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3001\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3001\u307e\u305f\u306f\u30c7\u30fc\u30bf\u304c\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u9818\u57df\u3092\u7279\u5b9a\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u3002<\/li>\n<li><strong>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u6a19\u6e96\uff1a<\/strong>\u3053\u308c\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u6c38\u7d9a\u7684\u306a\u8a18\u9332\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u4fdd\u5b88\u3084\u5c06\u6765\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\n<li><strong>\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u30c4\u30fc\u30eb\uff1a<\/strong>\u65b0\u3057\u304f\u30c1\u30fc\u30e0\u306b\u52a0\u308f\u308b\u30e1\u30f3\u30d0\u30fc\u306f\u3001\u6fc3\u3044\u30c6\u30ad\u30b9\u30c8\u3092\u8aad\u3080\u4ee3\u308f\u308a\u306b\u56f3\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092\u3088\u308a\u8fc5\u901f\u306b\u5b66\u3076\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u30a2\u30ca\u30ea\u30b9\u30c8\u5411\u3051\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9 \ud83c\udf93<\/h2>\n<p>\u56f3\u304c\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u3067\u52b9\u679c\u7684\u306b\u306a\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u5b9f\u7528\u7684\u306a\u30d2\u30f3\u30c8\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><strong>\u4e00\u8cab\u3057\u305f\u8a18\u6cd5\u3092\u4f7f\u7528\u3059\u308b\uff1a<\/strong>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5168\u4f53\u3092\u901a\u3057\u3066\u3001\u4e00\u3064\u306e\u30b9\u30bf\u30a4\u30eb\uff08\u305f\u3068\u3048\u3070Gane &amp; Sarson\u3084Yourdon &amp; DeMarco\uff09\u306b\u7d71\u4e00\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u6df7\u4e71\u3092\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u7c21\u6f54\u306b\u4fdd\u3064\uff1a<\/strong>\u7dda\u304c\u4ea4\u5dee\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3082\u3057\u7dda\u304c\u4ea4\u5dee\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u5f27\u3092\u4f7f\u7528\u3057\u3066\u305d\u308c\u3089\u304c\u63a5\u7d9a\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u793a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u30d7\u30ed\u30bb\u30b9\u306b\u756a\u53f7\u3092\u4ed8\u3051\u308b\uff1a<\/strong>\u30d7\u30ed\u30bb\u30b9\u306b\u756a\u53f7\u3092\u4ed8\u3051\u308b\uff08\u4f8b\uff1a1.0\u30011.1\u30011.2\uff09\u3053\u3068\u3067\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u306e\u53c2\u7167\u304c\u5bb9\u6613\u306b\u306a\u308a\u3001\u968e\u5c64\u69cb\u9020\u306e\u7dad\u6301\u3082\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u3068\u78ba\u8a8d\u3059\u308b\uff1a<\/strong>\u56f3\u304c\u6b63\u3057\u3044\u3068\u52dd\u624b\u306b\u6c7a\u3081\u3064\u3051\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u30d3\u30b8\u30cd\u30b9\u30e6\u30fc\u30b6\u30fc\u3068\u4e00\u7dd2\u306b\u56f3\u3092\u78ba\u8a8d\u3057\u3001\u6b63\u78ba\u6027\u3092\u691c\u8a3c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u7e70\u308a\u8fd4\u3057\u4f5c\u6210\u3059\u308b\uff1a<\/strong>DFD\u306f\u521d\u7a3f\u3067\u5b8c\u74a7\u306a\u72b6\u614b\u306b\u306a\u308b\u3053\u3068\u306f\u3081\u3063\u305f\u306b\u3042\u308a\u307e\u305b\u3093\u3002\u30b7\u30b9\u30c6\u30e0\u306b\u3064\u3044\u3066\u3088\u308a\u591a\u304f\u5b66\u3076\u306b\u3064\u308c\u3066\u3001\u56f3\u3092\u4fee\u6b63\u3059\u308b\u3053\u3068\u3092\u60f3\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<h2>\u5b9f\u8df5\u4f8b\uff1a\u6ce8\u6587\u51e6\u7406\u30b7\u30b9\u30c6\u30e0 \ud83d\uded2<\/h2>\n<p>\u3053\u308c\u3089\u306e\u6982\u5ff5\u304c\u5b9f\u969b\u306e\u72b6\u6cc1\u306b\u3069\u306e\u3088\u3046\u306b\u9069\u7528\u3055\u308c\u308b\u304b\u3092\u8aac\u660e\u3059\u308b\u305f\u3081\u306b\u3001\u6ce8\u6587\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><strong>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u56f3\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff1a<\/strong>\u9867\u5ba2<\/li>\n<li><strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff1a<\/strong>\u5728\u5eab\u30b7\u30b9\u30c6\u30e0<\/li>\n<li><strong>\u30d7\u30ed\u30bb\u30b9\uff1a<\/strong>\u6ce8\u6587\u51e6\u7406<\/li>\n<li><strong>\u30d5\u30ed\u30fc\uff1a<\/strong>\u9867\u5ba2\u304b\u3089\u306e\u300c\u6ce8\u6587\u4f9d\u983c\u300d\u3001\u5728\u5eab\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u300c\u5728\u5eab\u78ba\u8a8d\u300d\u3001\u9867\u5ba2\u3078\u306e\u300c\u78ba\u8a8d\u300d\u3002<\/li>\n<\/ul>\n<p><strong>\u30ec\u30d9\u30eb0\u56f3\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u30d7\u30ed\u30bb\u30b9 1.0\uff1a<\/strong>\u6ce8\u6587\u53d7\u9818<\/li>\n<li><strong>\u30d7\u30ed\u30bb\u30b9 2.0:<\/strong>\u5728\u5eab\u306e\u691c\u8a3c<\/li>\n<li><strong>\u30d7\u30ed\u30bb\u30b9 3.0:<\/strong>\u8acb\u6c42\u66f8\u306e\u767a\u884c<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2:<\/strong>\u6ce8\u6587\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2:<\/strong>\u88fd\u54c1\u30ab\u30bf\u30ed\u30b0<\/li>\n<\/ul>\n<p><strong>\u30ec\u30d9\u30eb1\u56f3\uff08\u30d7\u30ed\u30bb\u30b9 2.0\u306e\u5206\u89e3\uff09:<\/strong><\/p>\n<ul>\n<li><strong>\u30d7\u30ed\u30bb\u30b9 2.1:<\/strong>\u5728\u5eab\u30ec\u30d9\u30eb\u306e\u78ba\u8a8d<\/li>\n<li><strong>\u30d7\u30ed\u30bb\u30b9 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