{"id":331,"date":"2026-03-26T18:11:50","date_gmt":"2026-03-26T18:11:50","guid":{"rendered":"https:\/\/www.ai-diagrams.com\/ja\/step-by-step-guide-lifelines-messages-sequence-diagrams\/"},"modified":"2026-03-26T18:11:50","modified_gmt":"2026-03-26T18:11:50","slug":"step-by-step-guide-lifelines-messages-sequence-diagrams","status":"publish","type":"post","link":"https:\/\/www.ai-diagrams.com\/ja\/step-by-step-guide-lifelines-messages-sequence-diagrams\/","title":{"rendered":"\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306b\u304a\u3051\u308b\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u30ac\u30a4\u30c9"},"content":{"rendered":"<p>\u8907&#8221;\u8907\u96d1\u306a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30b7\u30b9\u30c6\u30e0\u3092\u8a2d\u8a08\u3059\u308b\u306b\u306f\u3001\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u4ee5\u4e0a\u306b\u5fc5\u8981\u306a\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u7570\u306a\u308b\u90e8\u5206\u304c\u3069\u306e\u3088\u3046\u306b\u76f8\u4e92\u306b\u901a\u4fe1\u3059\u308b\u304b\u3092\u660e\u78ba\u306b\u53ef\u8996\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306f\u3001\u6642\u9593\u306e\u7d4c\u904e\u306b\u6cbf\u3063\u3066\u76f8\u4e92\u4f5c\u7528\u3092\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u76ee\u7684\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u3053\u306e\u5305\u62ec\u7684\u306a\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306e2\u3064\u306e\u57fa\u76e4\u3068\u306a\u308b\u67f1\u3067\u3042\u308b\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u7126\u70b9\u3092\u5f53\u3066\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8981\u7d20\u306e\u69cb\u9020\u3068\u610f\u5473\u3092\u7fd2\u5f97\u3059\u308b\u3053\u3068\u3067\u3001\u66d6\u6627\u3055\u306a\u304f\u30b7\u30b9\u30c6\u30e0\u306e\u52d5\u4f5c\u3092\u52b9\u679c\u7684\u306b\u4f1d\u3048\u308b\u56f3\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002&#8221;<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Hand-drawn infographic explaining sequence diagram fundamentals: vertical lifelines representing participants with activation bars, horizontal message arrows showing synchronous, asynchronous, return, and self-message types, a 6-step diagram creation workflow, and best practices for clear UML sequence diagram design in software engineering\" decoding=\"async\" src=\"https:\/\/www.ai-diagrams.com\/wp-content\/uploads\/2026\/03\/sequence-diagrams-lifelines-messages-infographic-hand-drawn.jpg\"\/><\/figure>\n<\/div>\n<h2>\u30b3\u30a2\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u7406\u89e3 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\ud83d\udcdd<\/h3>\n<p>\u3042\u306a\u305f\u304c\u8a18\u9332\u3057\u3066\u3044\u308b\u5177\u4f53\u7684\u306a\u30d5\u30ed\u30fc\u306f\u4f55\u3067\u3059\u304b\uff1f\u30ed\u30b0\u30a4\u30f3\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u304b\uff1f\u30c7\u30fc\u30bf\u53d6\u5f97\u64cd\u4f5c\u3067\u3059\u304b\uff1f\u6c7a\u6e08\u53d6\u5f15\u3067\u3059\u304b\uff1f\u5bfe\u8a71\u306e\u958b\u59cb\u70b9\u3068\u7d42\u4e86\u70b9\u3092\u5b9a\u7fa9\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u7bc4\u56f2\u304c\u3001\u5fc5\u8981\u306a\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u3053\u306e\u7279\u5b9a\u306e\u30d5\u30ed\u30fc\u306b\u95a2\u4e0e\u3057\u3066\u3044\u306a\u3044\u53c2\u52a0\u8005\u306f\u542b\u3081\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d73\uff1a\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u3092\u63cf\u304f \ud83d\udccf<\/h3>\n<p>\u5404\u53c2\u52a0\u8005\u304b\u3089\u5782\u76f4\u306e\u7834\u7dda\u3092\u4e0b\u5411\u304d\u306b\u63cf\u3044\u3066\u304f\u3060\u3055\u3044\u3002\u9593\u9694\u304c\u5747\u7b49\u306b\u306a\u308b\u3088\u3046\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4e0d\u5747\u7b49\u306a\u9593\u9694\u306f\u3001\u56f3\u3092\u6df7\u96d1\u3055\u305b\u3001\u8aad\u307f\u306b\u304f\u304f\u3059\u308b\u539f\u56e0\u306b\u306a\u308a\u307e\u3059\u3002\u53c2\u52a0\u8005\u304c\u5bfe\u8a71\u306e\u5168\u671f\u9593\u4e2d\u306b\u5fc5\u8981\u3067\u306a\u3044\u5834\u5408\u306f\u3001\u7dda\u3092\u65e9\u671f\u306b\u7d42\u4e86\u3057\u3066\u3082\u3088\u3044\u3067\u3059\u304c\u3001\u6a19\u6e96\u7684\u306a\u3084\u308a\u65b9\u3067\u306f\u4e00\u8cab\u6027\u3092\u4fdd\u3064\u305f\u3081\u306b\u3001\u7dda\u3092\u4e0b\u307e\u3067\u5ef6\u9577\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d74\uff1a\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b 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\ud83d\udfe2<\/h3>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5b9f\u969b\u306b\u51e6\u7406\u3092\u884c\u3063\u3066\u3044\u308b\u5834\u6240\u3092\u7279\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5fd9\u3057\u3044\u5834\u6240\u306b\u3001\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u4e0a\u306b\u7d30\u3044\u9577\u65b9\u5f62\u3092\u914d\u7f6e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305f\u3068\u3048\u3070\u3001B\u304c\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u53d6\u308a\u3001\u3059\u3050\u306b\u51e6\u7406\u3059\u308b\u5834\u5408\u3001\u53d7\u4fe1\u70b9\u304b\u3089B\u306e\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u306b\u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30b7\u30e7\u30f3\u30d0\u30fc\u3092\u63cf\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d76\uff1a\u78ba\u8a8d\u3068\u6539\u5584 \ud83d\udd0d<\/h3>\n<p>\u56f3\u304c\u4f5c\u6210\u3055\u308c\u305f\u3089\u3001\u8981\u4ef6\u306b\u57fa\u3065\u3044\u3066\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30b7\u30b9\u30c6\u30e0\u306e\u8ad6\u7406\u3092\u6b63\u78ba\u306b\u53cd\u6620\u3057\u3066\u3044\u307e\u3059\u304b\uff1f\u3059\u3079\u3066\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u5fc5\u8981\u3067\u3059\u304b\uff1f\u30d5\u30ed\u30fc\u306f\u8ad6\u7406\u7684\u3067\u3059\u304b\uff1f\u5197\u9577\u306a\u30b9\u30c6\u30c3\u30d7\u306f\u524a\u9664\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u660e\u78ba\u3055\u304c\u6700\u512a\u5148\u3067\u3059\u3002<\/p>\n<h2>\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u7a2e\u985e\u306e\u8aac\u660e \ud83d\udea6<\/h2>\n<p>\u3059\u3079\u3066\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u540c\u3058\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u77e2\u5370\u306e\u8996\u899a\u7684\u8868\u73fe\u306f\u3001\u9001\u4fe1\u8005\u304c\u53d7\u4fe1\u8005\u306b\u5bfe\u3057\u3066\u3069\u306e\u3088\u3046\u306b\u5fdc\u7b54\u3092\u671f\u5f85\u3057\u3066\u3044\u308b\u304b\u306b\u95a2\u3059\u308b\u7279\u5b9a\u306e\u60c5\u5831\u3092\u4f1d\u3048\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u6b63\u78ba\u306a\u30e2\u30c7\u30eb\u5316\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u7a2e\u985e<\/th>\n<th>\u77e2\u5370\u306e\u30b9\u30bf\u30a4\u30eb<\/th>\n<th>\u52d5\u4f5c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u540c\u671f\u547c\u3073\u51fa\u3057<\/td>\n<td>\u5b9f\u7dda\u3001\u5857\u308a\u3064\u3076\u3055\u308c\u305f\u77e2\u5370\u5148\u7aef<\/td>\n<td>\u9001\u4fe1\u8005\u306f\u3001\u5fdc\u7b54\u3092\u5f85\u3063\u3066\u304b\u3089\u7d9a\u884c\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u975e\u540c\u671f\u547c\u3073\u51fa\u3057<\/td>\n<td>\u5b9f\u7dda\u3001\u7a7a\u6d1e\u306e\u77e2\u5370\u5148\u7aef<\/td>\n<td>\u9001\u4fe1\u8005\u306f\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3057\u3001\u5f85\u305f\u305a\u306b\u7d9a\u884c\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u623b\u308a\u30e1\u30c3\u30bb\u30fc\u30b8<\/td>\n<td>\u7834\u7dda\u3001\u7a7a\u6d1e\u306e\u77e2\u5370\u5148\u7aef<\/td>\n<td>\u53d7\u4fe1\u8005\u306f\u9001\u4fe1\u8005\u306b\u623b\u3063\u3066\u5fdc\u7b54\u3092\u9001\u4fe1\u3059\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u81ea\u5df1\u30e1\u30c3\u30bb\u30fc\u30b8<\/td>\n<td>\u5b9f\u7dda\u3001\u30eb\u30fc\u30d7\u3057\u305f\u77e2\u5370<\/td>\n<td>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u81ea\u5206\u81ea\u8eab\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u540c\u671f\u30e1\u30c3\u30bb\u30fc\u30b8<\/h3>\n<p>\u3053\u308c\u306f\u6700\u3082\u4e00\u822c\u7684\u306a\u76f8\u4e92\u4f5c\u7528\u306e\u30bf\u30a4\u30d7\u3067\u3059\u3002\u9001\u4fe1\u8005\u306f\u3001\u53d7\u4fe1\u8005\u304c\u64cd\u4f5c\u3092\u5b8c\u4e86\u3057\u3066\u5236\u5fa1\u3092\u8fd4\u3059\u307e\u3067\u5b9f\u884c\u3092\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3067\u306f\u3001\u5b9f\u7dda\u3068\u5857\u308a\u3064\u3076\u3055\u308c\u305f\u77e2\u5370\u982d\u3067\u793a\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u547c\u3073\u51fa\u3057\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u53d7\u4fe1\u8005\u304c\u51e6\u7406\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u5834\u5408\u3001\u9001\u4fe1\u8005\u306f\u5f85\u6a5f\u3057\u307e\u3059\u3002<\/p>\n<h3>\u975e\u540c\u671f\u30e1\u30c3\u30bb\u30fc\u30b8<\/h3>\n<p>\u73fe\u4ee3\u306e\u5206\u6563\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u975e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u547c\u3073\u51fa\u3057\u304c\u983b\u7e41\u3067\u3059\u3002\u9001\u4fe1\u8005\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1\u3059\u308b\u3068\u3001\u3059\u3050\u306b\u4ed6\u306e\u30bf\u30b9\u30af\u306b\u79fb\u884c\u3057\u307e\u3059\u3002\u53d7\u4fe1\u8005\u304c\u5b8c\u4e86\u3059\u308b\u306e\u3092\u5f85\u305f\u306a\u3044\u306e\u3067\u3059\u3002\u3053\u308c\u306f\u5b9f\u7dda\u3068\u958b\u653e\u77e2\u5370\u982d\u3067\u793a\u3055\u308c\u307e\u3059\u3002\u30ed\u30b0\u8a18\u9332\u3001\u901a\u77e5\u3001\u307e\u305f\u306f\u4e00\u5ea6\u9001\u4fe1\u3057\u305f\u3089\u5fd8\u308c\u3066\u3057\u307e\u3046\u3088\u3046\u306a\u30b7\u30ca\u30ea\u30aa\u306b\u6709\u7528\u3067\u3059\u3002<\/p>\n<h3>\u623b\u308a\u30e1\u30c3\u30bb\u30fc\u30b8<\/h3>\n<p>\u3059\u3079\u3066\u306e\u540c\u671f\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u901a\u5e38\u3001\u623b\u308a\u3092\u671f\u5f85\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5143\u306e\u9001\u4fe1\u8005\u306b\u623b\u308b\u958b\u653e\u77e2\u5370\u982d\u3092\u6301\u3064\u7834\u7dda\u3068\u3057\u3066\u793a\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u64cd\u4f5c\u306e\u5b8c\u4e86\u3068\u30c7\u30fc\u30bf\u307e\u305f\u306f\u30b9\u30c6\u30fc\u30bf\u30b9\u306e\u8fd4\u5374\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u81ea\u5df1\u30e1\u30c3\u30bb\u30fc\u30b8<\/h3>\n<p>\u6642\u6298\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u81ea\u5206\u81ea\u8eab\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5185\u90e8\u306e\u30d8\u30eb\u30d1\u30fc\u30e1\u30bd\u30c3\u30c9\u306b\u4f5c\u696d\u3092\u59d4\u8b72\u3059\u308b\u5834\u5408\u306b\u4e00\u822c\u7684\u3067\u3059\u3002\u77e2\u5370\u306f\u540c\u3058\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u4e0a\u3067\u59cb\u307e\u308a\u3001\u81ea\u5206\u81ea\u8eab\u306b\u623b\u308b\u3088\u3046\u306b\u66f2\u304c\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u72b6\u614b\u306e\u7ba1\u7406 \ud83d\udfe2<\/h2>\n<p>\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u306e\u8996\u899a\u7684\u72b6\u614b\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u72b6\u614b\u306b\u95a2\u3059\u308b\u6587\u8108\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30b7\u30e7\u30f3\u30d0\u30fc\u304c\u3053\u306e\u72b6\u614b\u306e\u4e3b\u306a\u6307\u6a19\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u8003\u616e\u3059\u3079\u304d\u30cb\u30e5\u30a2\u30f3\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u72b6\u614b<\/th>\n<th>\u8996\u899a\u7684\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc<\/th>\n<th>\u610f\u5473<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30a2\u30a4\u30c9\u30eb<\/td>\n<td>\u7834\u7dda\u306e\u307f<\/td>\n<td>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u5b58\u5728\u3059\u308b\u304c\u3001\u51e6\u7406\u4e2d\u3067\u306f\u306a\u3044\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30a2\u30af\u30c6\u30a3\u30d6<\/td>\n<td>\u7dda\u4e0a\u306e\u9577\u65b9\u5f62\u306e\u30dc\u30c3\u30af\u30b9<\/td>\n<td>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u64cd\u4f5c\u3092\u5b9f\u884c\u4e2d\u3067\u3042\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u7834\u68c4\u6e08\u307f<\/td>\n<td>\u4e0b\u90e8\u306bX\u30de\u30fc\u30af<\/td>\n<td>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u30e1\u30e2\u30ea\u304b\u3089\u524a\u9664\u3055\u308c\u305f\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u7834\u68c4\u3055\u308c\u308b\u3068\u3001\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u306e\u4e0b\u90e8\u306bX\u30de\u30fc\u30af\u304c\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u304c\u76f8\u4e92\u4f5c\u7528\u306e\u6587\u8108\u5185\u3067\u7d42\u4e86\u3057\u305f\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u7279\u5b9a\u306e\u30bf\u30b9\u30af\u306e\u5f8c\u306b\u4e00\u6642\u7684\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u4f5c\u6210\u3055\u308c\u3001\u7834\u68c4\u3055\u308c\u308b\u3088\u3046\u306a\u72b6\u6cc1\u3067\u306f\u3053\u308c\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n<h2>\u8907\u96d1\u306a\u76f8\u4e92\u4f5c\u7528\u306e\u51e6\u7406 \ud83d\udd04<\/h2>\n<p>\u73fe\u5b9f\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u5358\u7d14\u306a\u7dda\u5f62\u7d4c\u8def\u3092\u4f34\u3046\u3053\u3068\u306f\u3081\u3063\u305f\u306b\u3042\u308a\u307e\u305b\u3093\u3002\u30eb\u30fc\u30d7\u3001\u6761\u4ef6\u4ed8\u304d\u8ad6\u7406\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u30b9\u30c6\u30c3\u30d7\u3092\u542b\u307f\u307e\u3059\u3002\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306f\u3001\u7d50\u5408\u65ad\u7247\uff08Combined Fragments\uff09\u3092\u901a\u3058\u3066\u3053\u308c\u3089\u3092\u51e6\u7406\u3057\u307e\u3059\u3002<\/p>\n<h3>Alt\uff08\u4ee3\u66ff\uff09<\/h3>\n<p>\u300c<strong>alt<\/strong>\u300d\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u3092\u6761\u4ef6\u4ed8\u304d\u8ad6\u7406\u3092\u8868\u3059\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u76f8\u4e92\u4f5c\u7528\u3092\u7570\u306a\u308b\u30d5\u30ec\u30fc\u30e0\u306b\u5206\u5272\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u308b\u5834\u5408\u306f1\u3064\u306e\u30d1\u30b9\u304c\u9078\u629e\u3055\u308c\u3001\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u5225\u306e\u30d1\u30b9\u304c\u9078\u629e\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u7570\u306a\u308b\u6761\u4ef6\u3092\u542b\u3080\u3001\u30e9\u30d9\u30eb\u300c<em>alt<\/em>\u300d\u3067\u56f2\u307e\u308c\u305f\u9577\u65b9\u5f62\u3068\u3057\u3066\u63cf\u304b\u308c\u307e\u3059\u3002<\/p>\n<h3>\u30eb\u30fc\u30d7<\/h3>\n<p>\u300c<strong>loop<\/strong>\u300d\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306f\u7e70\u308a\u8fd4\u3057\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u8868\u3057\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u304c\u30a2\u30a4\u30c6\u30e0\u306e\u30ea\u30b9\u30c8\u3092\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3059\u308b\u5834\u5408\u3001\u30eb\u30fc\u30d7\u30d5\u30ec\u30fc\u30e0\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30d5\u30ec\u30fc\u30e0\u306e\u30d8\u30c3\u30c0\u30fc\u5185\u3067\u53cd\u5fa9\u56de\u6570\u307e\u305f\u306f\u6761\u4ef6\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>Opt\uff08\u30aa\u30d7\u30b7\u30e7\u30f3\uff09<\/h3>\n<p>\u300c<strong>opt<\/strong>\u300d\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306f\u3001\u767a\u751f\u3059\u308b\u5834\u5408\u3068\u767a\u751f\u3057\u306a\u3044\u5834\u5408\u304c\u3042\u308b\u5358\u4e00\u306e\u30d1\u30b9\u3092\u793a\u3057\u307e\u3059\u3002<em>alt<\/em>\u3068\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u4ee3\u66ff\u30d1\u30b9\u306f\u5358\u306b\u4f55\u3082\u884c\u308f\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30aa\u30d7\u30c8\u30a4\u30f3\u3057\u305f\u5834\u5408\u306b\u306e\u307f\u30e1\u30fc\u30eb\u901a\u77e5\u3092\u9001\u4fe1\u3059\u308b\u5834\u5408\u306a\u3069\u3067\u3059\u3002<\/p>\n<h3>\u30d6\u30ec\u30a4\u30af<\/h3>\n<p>\u300c<strong>break<\/strong>\u300d\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306f\u4f8b\u5916\u7684\u306a\u30d1\u30b9\u3092\u8868\u3057\u307e\u3059\u3002\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u3068\u304d\u3084\u7279\u5b9a\u306e\u6761\u4ef6\u304c\u901a\u5e38\u306e\u6d41\u308c\u3092\u4e2d\u65ad\u3057\u305f\u3068\u304d\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u30a8\u30e9\u30fc\u51e6\u7406\u306e\u30b7\u30ca\u30ea\u30aa\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<h2>\u907f\u3051\u308b\u3079\u304d\u4e00\u822c\u7684\u306a\u843d\u3068\u3057\u7a74 \u26a0\ufe0f<\/h2>\n<p>\u7d4c\u9a13\u8c4a\u5bcc\u306a\u30c7\u30b6\u30a4\u30ca\u30fc\u3067\u3055\u3048\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u30df\u30b9\u3092\u72af\u3057\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u8aa4\u308a\u306b\u6c17\u3065\u3044\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u30ec\u30d3\u30e5\u30fc\u6642\u306b\u6642\u9593\u3092\u7bc0\u7d04\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u904e\u5bc6\u5316\uff1a<\/strong>1\u3064\u306e\u56f3\u306b\u3042\u307e\u308a\u306b\u3082\u591a\u304f\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8a18\u8f09\u3059\u308b\u3068\u3001\u8aad\u307f\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002\u8907\u96d1\u306a\u30d5\u30ed\u30fc\u306f\u8907\u6570\u306e\u56f3\u306b\u5206\u5272\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u66d6\u6627\u306a\u30e9\u30d9\u30eb\uff1a<\/strong>\u660e\u78ba\u306a\u64cd\u4f5c\u540d\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u300c<em>\u30d7\u30ed\u30bb\u30b9<\/em>\u300d\u3084\u300c<em>\u30c9<\/em>\u300d\u306e\u3088\u3046\u306a\u6c4e\u7528\u7684\u306a\u30e9\u30d9\u30eb\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u5177\u4f53\u7684\u306a\u540d\u524d\u3092\u7528\u3044\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305f\u3068\u3048\u3070\u300c<em>ValidateInput<\/em> \u307e\u305f\u306f <em>CalculateTax<\/em>.<\/li>\n<li><strong>\u8aa4\u3063\u305f\u77e2\u5370\u306e\u7a2e\u985e\uff1a<\/strong> \u540c\u671f\u7684\u304a\u3088\u3073\u975e\u540c\u671f\u7684\u306a\u77e2\u5370\u3092\u6df7\u540c\u3059\u308b\u3068\u3001\u958b\u767a\u8005\u304c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u671f\u5f85\u306b\u3064\u3044\u3066\u8aa4\u89e3\u3059\u308b\u539f\u56e0\u306b\u306a\u308b\u3002<\/li>\n<li><strong>\u623b\u308a\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u7121\u8996\u3059\u308b\uff1a<\/strong> \u540c\u671f\u547c\u3073\u51fa\u3057\u306e\u623b\u308a\u77e2\u5370\u3092\u63cf\u304f\u306e\u3092\u5fd8\u308c\u308b\u3068\u3046\u307e\u304f\u5236\u5fa1\u306e\u6d41\u308c\u304c\u308f\u304b\u3089\u306a\u304f\u306a\u308b\u3002<\/li>\n<li><strong>\u6642\u9593\u306e\u7121\u8996\uff1a<\/strong> \u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306f\u6642\u9593\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u3002\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5782\u76f4\u9806\u5e8f\u304c\u6642\u7cfb\u5217\u7684\u306b\u610f\u5473\u3092\u6301\u3064\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>\u660e\u78ba\u6027\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9 \u2728<\/h2>\n<p>\u56f3\u304c\u52b9\u679c\u7684\u306a\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb\u3068\u306a\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u3001\u3053\u308c\u3089\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><strong>\u4e00\u8cab\u3057\u305f\u547d\u540d\uff1a<\/strong> \u56f3\u5168\u4f53\u3067\u30af\u30e9\u30b9\u3068\u30e1\u30bd\u30c3\u30c9\u306b\u540c\u3058\u547d\u540d\u898f\u5247\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n<li><strong>\u8ad6\u7406\u7684\u306a\u30b0\u30eb\u30fc\u30d7\u5316\uff1a<\/strong> \u95a2\u9023\u3059\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u307e\u3068\u3081\u308b\u3002\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9023\u7d9a\u304c\u5358\u4e00\u306e\u8ad6\u7406\u7684\u30b9\u30c6\u30c3\u30d7\u3092\u69cb\u6210\u3059\u308b\u5834\u5408\u306f\u3001\u5782\u76f4\u65b9\u5411\u306b\u8fd1\u3065\u3051\u3066\u304a\u304f\u3002<\/li>\n<li><strong>\u4f59\u767d\uff1a<\/strong> \u5782\u76f4\u65b9\u5411\u306e\u30b9\u30da\u30fc\u30b9\u3092\u4f7f\u3063\u3066\u3001\u76f8\u4e92\u4f5c\u7528\u306e\u7570\u306a\u308b\u6bb5\u968e\u3092\u5206\u3051\u308b\u3002\u3059\u3079\u3066\u3092\u8a70\u3081\u8fbc\u307f\u3059\u304e\u306a\u3044\u3002<\/li>\n<li><strong>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30e9\u30d9\u30eb\uff1a<\/strong> \u56f3\u304c\u7279\u5b9a\u306e\u30b7\u30ca\u30ea\u30aa\u3092\u30ab\u30d0\u30fc\u3059\u308b\u5834\u5408\u3001\u30d5\u30ec\u30fc\u30e0\u306b\u305d\u306e\u30b7\u30ca\u30ea\u30aa\u540d\uff08\u4f8b\uff1a<em>Checkout Flow<\/em>).<\/li>\n<li><strong>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\uff1a<\/strong> \u8907\u96d1\u306a\u8ad6\u7406\u3084\u3001\u7dda\u3084\u77e2\u5370\u3067\u7c21\u5358\u306b\u793a\u305b\u306a\u3044\u5236\u7d04\u3092\u8aac\u660e\u3059\u308b\u305f\u3081\u306b\u3001\u56f3\u306b\u6ce8\u8a18\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>\u4f5c\u696d\u306e\u30ec\u30d3\u30e5\u30fc \ud83d\udd0e<\/h2>\n<p> \u56f3\u3092\u63cf\u3044\u305f\u5f8c\u306f\u3001\u30a6\u30a9\u30fc\u30af\u30b9\u30eb\u30fc\u3092\u884c\u3046\u3002\u81ea\u5206\u81ea\u8eab\u3092\u30b7\u30b9\u30c6\u30e0\u3060\u3068\u60f3\u50cf\u3057\u3066\u3001\u4e0a\u304b\u3089\u77e2\u5370\u306b\u5f93\u3063\u3066\u9032\u3093\u3067\u3044\u304f\u3002\u8ad6\u7406\u306f\u6210\u308a\u7acb\u3064\u304b\uff1f \u30c7\u30c3\u30c9\u30a8\u30f3\u30c9\u306f\u5b58\u5728\u3059\u308b\u304b\uff1f \u30b7\u30b9\u30c6\u30e0\u304c\u7121\u9650\u306b\u5f85\u3064\u3088\u3046\u306a\u30d1\u30b9\u306f\u5b58\u5728\u3059\u308b\u304b\uff1f \u3053\u306e\u5fc3\u7684\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u8a2d\u8a08\u306e\u59a5\u5f53\u6027\u3092\u691c\u8a3c\u3059\u308b\u5f37\u529b\u306a\u65b9\u6cd5\u3067\u3042\u308b\u3002<\/p>\n<p> 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