{"id":11240,"date":"2026-03-31T16:07:39","date_gmt":"2026-03-31T08:07:39","guid":{"rendered":"https:\/\/www.archimetric.com\/ja\/everything-you-need-to-know-about-sequence-diagrams-a-comprehensive-guide\/"},"modified":"2026-03-31T16:07:39","modified_gmt":"2026-03-31T08:07:39","slug":"everything-you-need-to-know-about-sequence-diagrams-a-comprehensive-guide","status":"publish","type":"post","link":"https:\/\/www.archimetric.com\/ja\/everything-you-need-to-know-about-sequence-diagrams-a-comprehensive-guide\/","title":{"rendered":"\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306b\u3064\u3044\u3066\u77e5\u3063\u3066\u304a\u304f\u3079\u304d\u3059\u3079\u3066\u306e\u3053\u3068\uff1a\u5305\u62ec\u7684\u306a\u30ac\u30a4\u30c9"},"content":{"rendered":"<h2>\u5c0e\u5165<\/h2>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Unified_Modeling_Language\">UML<\/a>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306f\u3001\u64cd\u4f5c\u306e\u5b9f\u884c\u65b9\u6cd5\u3092\u8a73\u7d30\u306b\u793a\u3059\u76f8\u4e92\u4f5c\u7528\u56f3\u3067\u3059\u3002\u5354\u8abf\u306e\u6587\u8108\u306b\u304a\u3051\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u6349\u3048\u307e\u3059\u3002\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306f\u6642\u9593\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u304a\u308a\u3001\u56f3\u306e\u7e26\u8ef8\u3092\u6642\u9593\u306e\u8868\u8a18\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u76f8\u4e92\u4f5c\u7528\u306e\u9806\u5e8f\u3092\u8996\u899a\u7684\u306b\u793a\u3057\u3001\u3069\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u3044\u3064\u9001\u4fe1\u3055\u308c\u305f\u304b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p><img alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/sequence-diagram-in-uml-diagram-hierarchy.png\"\/><\/p>\n<h2>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2>\n<p>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\uff08\u5225\u540d\uff1a\u9806\u6b21\u56f3\uff09\u306f\u3001UML\u306e\u76f8\u4e92\u4f5c\u7528\u56f3\u3067\u3059\u3002\u8907\u6570\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e\u52d5\u7684\u5354\u8abf\u3092\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u305d\u308c\u3089\u306e\u9593\u3067\u9001\u4fe1\u3055\u308c\u308b\u6642\u9593\u7684\u9806\u5e8f\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u793a\u3057\u307e\u3059\u3002<\/p>\n<p id=\"HDiEtBc\"><img alt=\"\" class=\"alignnone size-full wp-image-11666\" decoding=\"async\" height=\"469\" loading=\"lazy\" sizes=\"auto, (max-width: 844px) 100vw, 844px\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/img_69cb80b693f4a.png\" srcset=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/img_69cb80b693f4a.png 844w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/img_69cb80b693f4a-300x167.png 300w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/img_69cb80b693f4a-768x427.png 768w\" width=\"844\"\/><\/p>\n<p>UML\u3067\u306f\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u5185\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u4e0b\u7dda\u3092\u5f15\u3044\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d\u3092\u542b\u3080\u9577\u65b9\u5f62\u3068\u3057\u3066\u63cf\u304b\u308c\u307e\u3059\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u540d\u524d\u306f\u4ee5\u4e0b\u306e3\u3064\u306e\u65b9\u6cd5\u306e\u3044\u305a\u308c\u304b\u3067\u6307\u5b9a\u3067\u304d\u307e\u3059\uff1a<\/p>\n<ul>\n<li>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d<\/p>\n<\/li>\n<li>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d\u3068\u305d\u306e\u30af\u30e9\u30b9<\/p>\n<\/li>\n<li>\n<p>\u30af\u30e9\u30b9\u540d\u306e\u307f\uff08\u533f\u540d\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff09<\/p>\n<\/li>\n<\/ul>\n<p><img alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/What-is-Sequence-Diagram.png\"\/><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SequenceDiagram&amp;gallery=\/repository\/92698b4a-e5b4-488d-9e83-b8e517c366ea.xml&amp;name=Hotel%20Reservation\">\u3053\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3092\u7de8\u96c6\u3059\u308b<\/a><\/p>\n<h3>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/h3>\n<ol>\n<li>\n<p><strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e\u76f8\u4e92\u4f5c\u7528\u306e\u9806\u5e8f\u3092\u793a\u3059<\/strong>\uff1a\u76f8\u4e92\u4f5c\u7528\u306e\u52d5\u4f5c\u3092\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9001\u53d7\u4fe1\u3068\u3057\u3066\u30e2\u30c7\u30eb\u5316\u3057\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u3067\u3069\u306e\u3088\u3046\u306b\u9001\u4fe1\u30fb\u53d7\u4fe1\u3055\u308c\u308b\u304b\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u52d5\u7684\u306b\u793a\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6642\u9593\u7684\u5f37\u8abf<\/strong>\uff1a\u4ed6\u306eUML\u56f3\u3068\u6bd4\u8f03\u3057\u3066\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306f\u76f8\u4e92\u4f5c\u7528\u306e\u52d5\u4f5c\u306e\u6642\u7cfb\u5217\u9806\u5e8f\u306b\u7279\u306b\u6ce8\u76ee\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4e26\u884c\u51e6\u7406\u306e\u53ef\u8996\u5316<\/strong>\uff1a\u4e26\u884c\u51e6\u7406\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u8996\u899a\u7684\u306b\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h3>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306e\u8981\u7d20<\/h3>\n<ol>\n<li>\n<p><strong>\u30a2\u30af\u30bf\u30fc<\/strong>\uff1a\u30b7\u30b9\u30c6\u30e0\u306e\u30a2\u30af\u30bf\u30fc\u3067\u3042\u308a\u3001\u4eba\u9593\u3001\u6a5f\u68b0\u3001\u4ed6\u306e\u30b7\u30b9\u30c6\u30e0\u3001\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\u306a\u3069\uff1b\u6642\u9593\u7684\u9806\u5e8f\u56f3\u3067\u8868\u73fe\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/strong>\uff1a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u540d\u524d\u4ed8\u3051\u306b\u306f3\u3064\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u30af\u30e9\u30b9\u540d\u4ed8\u304d\u306e\u540d\u524d\u4ed8\u304d\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/strong>\uff1a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d\u3068\u30af\u30e9\u30b9\u540d\u3092\u542b\u307f\u3001\u4f8b\u3048\u3070\uff1a<code data-backticks=\"1\">\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff1a\u30af\u30e9\u30b9<\/code><\/p>\n<\/li>\n<li>\n<p><strong>\u533f\u540d\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/strong>\uff1a\u30af\u30e9\u30b9\u540d\u306e\u307f\u3092\u8868\u793a\u3057\u3001\u4f8b\u3048\u3070\uff1a<code data-backticks=\"1\">\uff1acourse<\/code><\/p>\n<\/li>\n<li>\n<p><strong>\u540d\u524d\u4ed8\u304d\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u307f<\/strong>: \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d\u306e\u307f\u3092\u8868\u793a\u3057\u3001\u30af\u30e9\u30b9\u540d\u306f\u8868\u793a\u3057\u306a\u3044\u3002\u305f\u3068\u3048\u3070\uff1a<code data-backticks=\"1\">\u8b1b\u5e2b<\/code><\/p>\n<\/li>\n<\/ul>\n<p>\u3059\u3079\u3066\u306e3\u3064\u306e\u547d\u540d\u65b9\u6cd5\u304c\u5229\u7528\u53ef\u80fd\u3067\u3042\u308b\u3002\u56f3\u3092\u8aad\u3080\u4eba\u304c\u7406\u89e3\u3057\u3084\u3059\u3044\u65b9\u6cd5\u3092\u9078\u629e\u3059\u308b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u9806\u5e8f<\/strong>:<\/p>\n<ul>\n<li>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5de6\u53f3\u306e\u9806\u5e8f\u306f\u91cd\u8981\u3067\u306f\u306a\u3044<\/p>\n<\/li>\n<li>\n<p>\u983b\u7e41\u306b\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3067\u304d\u308b\u3060\u3051\u8fd1\u304f\u306b\u914d\u7f6e\u3059\u308b<\/p>\n<\/li>\n<li>\n<p>\u3059\u3079\u3066\u306e\u76f8\u4e92\u4f5c\u7528\u6d3b\u52d5\u3092\u958b\u59cb\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5de6\u7aef\u306b\u914d\u7f6e\u3059\u308b<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3<\/h2>\n<p>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306b\u304a\u3051\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30a2\u30a4\u30b3\u30f3\u304b\u3089\u4e0b\u306b\u5ef6\u3073\u308b\u7834\u7dda\u3067\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5b58\u5728\u3057\u305f\u671f\u9593\u3092\u793a\u3059\u3002<\/p>\n<h3>\u5236\u5fa1\u306e\u7126\u70b9\uff08\u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30b7\u30e7\u30f3\uff09<\/h3>\n<p>\u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30b7\u30e7\u30f3\u671f\u9593\u3068\u3082\u547c\u3070\u308c\u308b\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5bfe\u5fdc\u3059\u308b\u64cd\u4f5c\u3092\u5b9f\u884c\u3059\u308b\u671f\u9593\u3092\u8868\u3059\u8a18\u53f7\u3067\u3042\u308b\u3002C\u306e\u6587\u8108\u3067\u306f\u3001\u62ec\u5f27\u306e\u30da\u30a2\u3068\u89e3\u91c8\u3067\u304d\u308b\u3002<code data-backticks=\"1\">{ }<\/code>C\u306e\u610f\u5473\u8ad6\u306b\u304a\u3044\u3066\u306f\u3001\u5c0f\u3055\u306a\u9577\u65b9\u5f62\u3067\u8868\u3055\u308c\u308b\u3002\u3053\u308c\u306f\u8981\u7d20\u304c\u64cd\u4f5c\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u671f\u9593\u3092\u8868\u3059\u3002\u9577\u65b9\u5f62\u306e\u4e0a\u7aef\u306f\u958b\u59cb\u6642\u523b\u3001\u4e0b\u7aef\u306f\u5b8c\u4e86\u6642\u523b\u3068\u4e00\u81f4\u3059\u308b\u3002<\/p>\n<h3>\u30e1\u30c3\u30bb\u30fc\u30b8<\/h3>\n<p>\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u4e00\u822c\u7684\u306b3\u7a2e\u985e\u306b\u5206\u985e\u3055\u308c\u308b\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u540c\u671f\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>: \u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9001\u4fe1\u8005\u304c\u5236\u5fa1\u3092\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u53d7\u4fe1\u8005\u306b\u6e21\u3057\u3001\u6d3b\u52d5\u3092\u505c\u6b62\u3057\u3066\u53d7\u4fe1\u8005\u304c\u5236\u5fa1\u3092\u653e\u68c4\u307e\u305f\u306f\u8fd4\u5374\u3059\u308b\u306e\u3092\u5f85\u3064\u3002\u3053\u308c\u306f\u540c\u671f\u3092\u793a\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u975e\u540c\u671f\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>: \u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9001\u4fe1\u8005\u304c\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u901a\u3058\u3066\u4fe1\u53f7\u3092\u53d7\u4fe1\u8005\u306b\u6e21\u3057\u305f\u5f8c\u3001\u53d7\u4fe1\u8005\u304c\u30e1\u30c3\u30bb\u30fc\u30b8\u3084\u5236\u5fa1\u3092\u8fd4\u3059\u306e\u3092\u5f85\u305f\u305a\u306b\u6d3b\u52d5\u3092\u7d99\u7d9a\u3059\u308b\u3002\u975e\u540c\u671f\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u53d7\u4fe1\u8005\u3068\u9001\u4fe1\u8005\u306f\u4e26\u884c\u3057\u3066\u52d5\u4f5c\u3057\u3066\u3044\u308b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u623b\u308a\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>: \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u547c\u3073\u51fa\u3057\u304b\u3089\u306e\u623b\u308a\u3092\u793a\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u751f\u6210\u304a\u3088\u3073\u7834\u68c4\u30e1\u30c3\u30bb\u30fc\u30b8<\/h2>\n<p>\u53c2\u52a0\u8005\u306f\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306e\u76f8\u4e92\u4f5c\u7528\u5168\u4f53\u306e\u671f\u9593\u4e2d\u3001\u5fc5\u305a\u3057\u3082\u751f\u5b58\u3059\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3002\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u3084\u308a\u53d6\u308a\u306b\u5fdc\u3058\u3066\u3001\u53c2\u52a0\u8005\u306f\u751f\u6210\u3055\u308c\u305f\u308a\u7834\u68c4\u3055\u308c\u305f\u308a\u3059\u308b\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>: \u53d7\u4fe1\u8005\u3092\u751f\u6210\u3059\u308b\u3002\u76f8\u4e92\u4f5c\u7528\u306e\u958b\u59cb\u6642\u70b9\u3067\u65e2\u306b\u5b58\u5728\u3059\u308b\u9001\u4fe1\u8005\u306f\u3001\u56f3\u306e\u4e0a\u90e8\u306b\u914d\u7f6e\u3055\u308c\u308b\u3002\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u547c\u3073\u51fa\u3057\u306b\u3088\u3063\u3066\u76f8\u4e92\u4f5c\u7528\u4e2d\u306b\u751f\u6210\u3055\u308c\u308b\u30bf\u30fc\u30b2\u30c3\u30c8\u306f\u3001\u81ea\u52d5\u7684\u306b\u56f3\u306e\u4e0b\u90e8\u306b\u914d\u7f6e\u3055\u308c\u308b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>: \u53d7\u4fe1\u8005\u3092\u7834\u68c4\u3059\u308b\u3002\u30bf\u30fc\u30b2\u30c3\u30c8\u304c\u76f8\u4e92\u4f5c\u7528\u4e2d\u306b\u7834\u68c4\u3055\u308c\u308b\u3068\u3044\u3046\u3053\u3068\u3092\u793a\u3059\u4ed6\u306e\u65b9\u6cd5\u3082\u3042\u308b\u3002\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u7834\u68c4\u304c\u300c\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u5f8c\u300d\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u306e\u307f\u3001\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u5373\u6642\u3067\u306a\u3044\u30e1\u30c3\u30bb\u30fc\u30b8<\/h2>\n<p>\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3057\u3070\u3057\u3070\u5373\u6642\u3067\u3042\u308b\u3068\u898b\u306a\u3055\u308c\u308b\u305f\u3081\u3001\u53d7\u4fe1\u8005\u306b\u5230\u7740\u3059\u308b\u307e\u3067\u306e\u6642\u9593\u306f\u7121\u8996\u3067\u304d\u308b\u3002\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u6c34\u5e73\u306e\u77e2\u5370\u3067\u63cf\u304b\u308c\u308b\u3002\u53d7\u4fe1\u8005\u304c\u5b9f\u969b\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u53d6\u308b\u307e\u3067\u306b\u4e00\u5b9a\u306e\u6642\u9593\u304c\u304b\u304b\u308b\u5834\u5408\u3092\u793a\u3059\u305f\u3081\u306b\u3001<strong>\u659c\u3081\u306e\u77e2\u5370\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059<\/strong>.<\/p>\n<h2>\u7d50\u5408\u65ad\u7247<\/h2>\n<p>\u30b7\u30fc\u30b1\u30f3\u30b9\u65ad\u7247\u306f\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u30b0\u30e9\u30d5\u5185\u306e\u76f8\u4e92\u4f5c\u7528\u306e\u4e00\u90e8\u3092\u56f2\u3080\u3001\u7d50\u5408\u65ad\u7247\u3068\u547c\u3070\u308c\u308b\u30dc\u30c3\u30af\u30b9\u3068\u3057\u3066\u8868\u3055\u308c\u307e\u3059\u3002\u65ad\u7247\u6f14\u7b97\u5b50\uff08\u5de6\u4e0a\u9685\u306b\u4f4d\u7f6e\uff09\u306f\u3001\u65ad\u7247\u306e\u7a2e\u985e\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u65ad\u7247\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u5185\u306e\u95a2\u9023\u3059\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3067\u304d\u307e\u3059\u3002\u4e8b\u524d\u306b\u5b9a\u7fa9\u3055\u308c\u305f\u3055\u307e\u3056\u307e\u306a\u65ad\u7247\u30bf\u30a4\u30d7\u304c\u5229\u7528\u53ef\u80fd\u3067\u3001\u4ee3\u66ff\u7d50\u679c\u3084\u4e26\u5217\u30e1\u30c3\u30bb\u30fc\u30b8\u3001\u30eb\u30fc\u30d7\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u5185\u306e\u65ad\u7247\u306f\u3001\u56f3\u306e\u4e00\u90e8\u306b\u63cf\u304b\u308c\u305f\u9577\u65b9\u5f62\u306e\u67a0\u3067\u3059\u3002\u3053\u308c\u3089\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6d41\u308c\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u6761\u4ef6\u69cb\u9020\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u67a0\u306fUML\u4ed5\u69d8\u3067\u306f\u7d50\u5408\u65ad\u7247\u3068\u547c\u3070\u308c\u3001\u5bb9\u5668\u306f\u76f8\u4e92\u4f5c\u7528\u30aa\u30da\u30e9\u30f3\u30c9\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u67a0\u306e\u5de6\u4e0a\u9685\u306b\u30e9\u30d9\u30eb\u304c\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u30e9\u30d9\u30eb\u306fUML\u306b\u304a\u3044\u3066\u76f8\u4e92\u4f5c\u7528\u6f14\u7b97\u5b50\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n<h3>\u4f8b \u2013 \u6ce8\u6587\u306e\u30b7\u30ca\u30ea\u30aa<\/h3>\n<p>\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u6ce8\u6587\u3092\u3057\u305f\u3044\u8239\u54e1\u3002\u6ce8\u6587\u3055\u308c\u305f\u5546\u54c1\u306f\u3001\u4f1a\u54e1\u30b9\u30c6\u30fc\u30bf\u30b9\uff08VIP\u3001\u901a\u5e38\u4f1a\u54e1\uff09\u306b\u5fdc\u3058\u3066\u3001\u5b85\u914d\u4fbf\u307e\u305f\u306f\u901a\u5e38\u306e\u90f5\u4fbf\u3067\u4f1a\u54e1\u306b\u9001\u3089\u308c\u307e\u3059\u3002\u4f1a\u54e1\u304c\u6ce8\u6587\u6642\u306b\u901a\u77e5\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u9078\u629e\u3057\u305f\u5834\u5408\u3001\u5e97\u8217\u306f\u4f1a\u54e1\u306b\u78ba\u8a8d\u901a\u77e5\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<p><img alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/Selection-and-Loops-in-a-Combination.png\"\/><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SequenceDiagram&amp;gallery=\/repository\/bb52d3d5-f881-4d3a-ab67-cad1858fa6d7.xml&amp;name=Selection%20and%20Loops%20in%20a%20Combination\">\u3053\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3092\u7de8\u96c6\u3059\u308b<\/a><\/p>\n<h3>\u5225\u306e\u4f8b\uff1a\u6ce8\u6587\u3059\u308b<\/h3>\n<p>\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306f\u3001\u6c34\u5e73\u8ef8\u304c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u3001\u5782\u76f4\u8ef8\u304c\u6642\u9593\u3092\u8868\u30592\u6b21\u5143\u56f3\u3067\u3059\u3002\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u3067\u6c34\u5e73\u306b\u6e21\u3055\u308c\u3001\u6642\u7cfb\u5217\u9806\u306b\u5782\u76f4\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u4f8b\u3067\u306f\u3001Customer\u3001Order\u3001Stock\u306e3\u3064\u306e\u53c2\u52a0\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6301\u3064\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30b9\u30c6\u30c3\u30d71\u30682<\/strong>: \u9867\u5ba2\u304c\u6ce8\u6587\u3092\u4f5c\u6210\u3059\u308b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b9\u30c6\u30c3\u30d73<\/strong>: \u9867\u5ba2\u304c\u6ce8\u6587\u306b\u5546\u54c1\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b9\u30c6\u30c3\u30d74\u30015<\/strong>: \u5404\u5546\u54c1\u306b\u3064\u3044\u3066\u5728\u5eab\u306e\u6709\u7121\u304c\u78ba\u8a8d\u3055\u308c\u308b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b9\u30c6\u30c3\u30d76\u30017\u30018<\/strong>: \u5546\u54c1\u304c\u5728\u5eab\u304c\u3042\u308c\u3070\u3001\u6ce8\u6587\u306b\u8ffd\u52a0\u3055\u308c\u308b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30b9\u30c6\u30c3\u30d79<\/strong>: \u623b\u308b<\/p>\n<\/li>\n<li>\n<p><strong>\u30b9\u30c6\u30c3\u30d710\u300111<\/strong>: \u6ce8\u6587\u3092\u4fdd\u5b58\u3057\u3066\u7834\u68c4\u3059\u308b<\/p>\n<\/li>\n<\/ol>\n<p><img alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/Sequence-Diagram-Place-Order.png\"\/><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SequenceDiagram&amp;gallery=\/repository\/b33b10cc-e1b2-490a-883b-c23eed9ca6b7.xml&amp;name=Place%20Order\">\u3053\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3092\u7de8\u96c6\u3059\u308b<\/a><\/p>\n<h2>\u3088\u304f\u4f7f\u308f\u308c\u308b\u7d50\u5408\u65ad\u7247<\/h2>\n<p>\u65ad\u7247\u306e\u7a2e\u985e\u306b\u306f\u3001ref\u3001assert\u3001loop\u3001break\u3001alt\u3001opt\u3001neg\u3001ref\u3001sd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th><strong>\u6f14\u7b97\u5b50<\/strong><\/th>\n<th><strong>\u610f\u5473<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>alt<\/strong><\/td>\n<td><strong>\u4ee3\u66ff\u306e\u8907\u6570\u65ad\u7247<\/strong>: \u6761\u4ef6\u304c\u771f\u3067\u3042\u308b\u3082\u306e\u3060\u3051\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>opt<\/strong><\/td>\n<td><strong>\u30aa\u30d7\u30b7\u30e7\u30f3<\/strong>: \u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306f\u3001\u4f9b\u7d66\u3055\u308c\u305f\u6761\u4ef6\u304c\u771f\u3067\u3042\u308b\u5834\u5408\u306b\u306e\u307f\u5b9f\u884c\u3055\u308c\u307e\u3059\u30021\u3064\u306e\u30c8\u30ec\u30fc\u30b9\u3092\u6301\u3064alt\u3068\u540c\u7b49\u3067\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>par<\/strong><\/td>\n<td><strong>\u4e26\u5217<\/strong>: \u5404\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306f\u4e26\u5217\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>loop<\/strong><\/td>\n<td><strong>\u30eb\u30fc\u30d7<\/strong>: \u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306f\u8907\u6570\u56de\u5b9f\u884c\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u30ac\u30fc\u30c9\u306f\u53cd\u5fa9\u306e\u57fa\u76e4\u3092\u793a\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>critical<\/strong><\/td>\n<td><strong>\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u9818\u57df<\/strong>: \u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306f\u4e00\u5ea6\u306b\u4e00\u3064\u306e\u30b9\u30ec\u30c3\u30c9\u3057\u304b\u5b9f\u884c\u3067\u304d\u307e\u305b\u3093\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>neg<\/strong><\/td>\n<td><strong>\u5426\u5b9a<\/strong>: \u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306f\u7121\u52b9\u306a\u76f8\u4e92\u4f5c\u7528\u3092\u793a\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>ref<\/strong><\/td>\n<td><strong>\u53c2\u7167<\/strong>: \u4ed6\u306e\u56f3\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u76f8\u4e92\u4f5c\u7528\u3092\u53c2\u7167\u3057\u307e\u3059\u3002\u30d5\u30ec\u30fc\u30e0\u306f\u3001\u76f8\u4e92\u4f5c\u7528\u306b\u95a2\u4e0e\u3059\u308b\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u3092\u30ab\u30d0\u30fc\u3059\u308b\u3088\u3046\u306b\u63cf\u304b\u308c\u307e\u3059\u3002\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u623b\u308a\u5024\u3092\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>sd<\/strong><\/td>\n<td><strong>\u9806\u5e8f\u56f3<\/strong>: \u5168\u4f53\u306e\u9806\u5e8f\u56f3\u3092\u56f2\u3080\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u91cd\u8981\u306a\u6ce8\u610f\u70b9:<\/strong><\/p>\n<ul>\n<li>\n<p>\u30eb\u30fc\u30d7\u3084\u5206\u5c90\u306a\u3069\u3092\u6349\u3048\u308b\u305f\u3081\u306b\u3001\u30d5\u30ec\u30fc\u30e0\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7d50\u5408\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306e\u30ad\u30fc\u30ef\u30fc\u30c9<\/strong>: alt\u3001opt\u3001break\u3001par\u3001seq\u3001strict\u3001neg\u3001critical\u3001ignore\u3001consider\u3001assert\u3001loop\u3002<\/p>\n<\/li>\n<li>\n<p>\u5236\u7d04\u306f\u901a\u5e38\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u5236\u7d04\u3092\u793a\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u30021\u3064\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u307e\u305f\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u9593\u306e\u6642\u9593\u9593\u9694\u306b\u9069\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u7d50\u5408\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306e\u4f8b<\/h2>\n<h3>1. \u9078\u629e\uff08Alt\uff09<\/h3>\n<p>\u4ee3\u66ff\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306f\u3001\u8907\u6570\u306e\u30ac\u30fc\u30c9\u4ed8\u304d\u306e\u4ee3\u66ff\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\uff08\u76f8\u4e92\u4f5c\u7528\u30aa\u30da\u30e9\u30f3\u30c9\u3067\u533a\u5207\u3089\u308c\u308b\uff09\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u30012\u3064\u4ee5\u4e0a\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u30b7\u30fc\u30b1\u30f3\u30b9\u9593\u306e\u6392\u4ed6\u7684\u306a\u9078\u629e\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001\u53e4\u5178\u7684\u306aif..else\u2026\u3068\u540c\u7b49\u3067\u3059\u3002<\/p>\n<p><img alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/The-use-of-Choice-in-Sequence-Diagram.png\"\/><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SequenceDiagram&amp;gallery=\/repository\/16a62028-6ba3-49ec-a803-7ee1b610a1c5.xml&amp;name=Sequence%20Diagram%20Example%3A%20ATM\">\u3053\u306e\u9806\u5e8f\u56f3\u3092\u7de8\u96c6\u3059\u308b<\/a><\/p>\n<h3>2. \u30aa\u30d7\u30b7\u30e7\u30f3 (Opt)<\/h3>\n<p>\u767a\u751f\u307e\u305f\u306f\u975e\u767a\u751f\u304c\u53ef\u80fd\u306a\u9806\u5e8f\u3092\u542b\u307f\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306f\u3001\u3042\u308b\u30ac\u30fc\u30c9\u6761\u4ef6\u304c\u771f\u3067\u3042\u308b\u5834\u5408\u306b\u306e\u307f\u5b9f\u884c\u3055\u308c\u308b\u3053\u3068\u3092\u610f\u5473\u3059\u308b\uff1a<\/p>\n<p><img alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/Use-of-Option-in-a-Sequence-Diagram.png\"\/><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SequenceDiagram&amp;gallery=\/repository\/28feb8b6-2373-4886-ba54-d51b68406ebb.xml&amp;name=Sequence%20Diagram%20Example%3A%20Examination\">\u3053\u306e\u9806\u5e8f\u56f3\u3092\u7de8\u96c6\u3059\u308b<\/a><\/p>\n<h3>3. \u30eb\u30fc\u30d7 (Loop)<\/h3>\n<p>\u30eb\u30fc\u30d7\u306f\u3001\u30ac\u30fc\u30c9\u6761\u4ef6\u304c\u507d\u306b\u306a\u308b\u307e\u3067\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u3092\u7e70\u308a\u8fd4\u3059\u3053\u3068\u3092\u53ef\u80fd\u306b\u3059\u308b\uff1a<\/p>\n<p><img alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/Use-of-Loop-in-a-Sequence-Diagram.png\"\/><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SequenceDiagram&amp;gallery=\/repository\/71b4b136-ce44-4517-a0d7-6d14d89bb0e0.xml&amp;name=Sequence%20Diagram%3A%20Synthesizer%20and%20Score\">\u3053\u306e\u9806\u5e8f\u56f3\u3092\u7de8\u96c6\u3059\u308b<\/a><\/p>\n<h3>4. \u30d6\u30ec\u30a4\u30af<\/h3>\n<p>\u30d6\u30ec\u30a4\u30af\u306f\u3001\u30ac\u30fc\u30c9\u6761\u4ef6\u304c\u771f\u306b\u306a\u3063\u305f\u3068\u304d\u306b\u3001\u56f2\u307e\u308c\u305f\u30eb\u30fc\u30d7\u3092\u8131\u51fa\u53ef\u80fd\u306b\u3059\u308b\uff1a<\/p>\n<p><img alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/Use-of-Break-in-a-Sequence-Diagram.png\"\/><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SequenceDiagram&amp;gallery=\/repository\/e2d7509e-b732-433e-8cdf-07f5ec42a10f.xml&amp;name=Break%20Communication%20Fragment\">\u3053\u306e\u9806\u5e8f\u56f3\u3092\u7de8\u96c6\u3059\u308b<\/a><\/p>\n<p>\u30d6\u30ec\u30a4\u30af\u306f\u3001\u4f8b\u5916\u51e6\u7406\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u305f\u3081\u306b\u6700\u3082\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u3002\u3053\u306e\u9806\u5e8f\u56f3\u306e\u4f8b\u3067\u306f\u3001balance &lt; amount \u6761\u4ef6\u3092\u4ee3\u66ff\u30d5\u30ed\u30fc\u3067\u306f\u306a\u304f\u4f8b\u5916\u3068\u3057\u3066\u6271\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u30d6\u30ec\u30a4\u30af\u7d50\u5408\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3002\u3053\u306e\u4f8b\u3092\u8aad\u3080\u306b\u306f\u3001\u9806\u5e8f\u56f3\u306e\u5de6\u4e0a\u9685\u304b\u3089\u59cb\u3081\u3001\u4e0b\u3078\u3068\u8aad\u307f\u9032\u3081\u308b\u3002\u9806\u5e8f\u304c\u300cbalance\u300d\u306e\u623b\u308a\u5024\u306b\u9054\u3059\u308b\u3068\u3001\u6b8b\u9ad8\u304c\u91d1\u984d\u3088\u308a\u5c0f\u3055\u3044\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3002\u6b8b\u9ad8\u304c\u91d1\u984d\u3088\u308a\u5c0f\u3055\u304f\u306a\u3044\u5834\u5408\u3001\u6b21\u306e\u9001\u4fe1\u30e1\u30c3\u30bb\u30fc\u30b8\u306f addDebitTransaction \u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u306a\u308a\u3001\u9806\u5e8f\u306f\u901a\u5e38\u901a\u308a\u7d9a\u884c\u3055\u308c\u308b\u3002<\/p>\n<h3>5. \u30d1\u30e9\u30ec\u30eb<\/h3>\n<p>\u30d1\u30e9\u30ec\u30eb\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306f\u3001\u8907\u6570\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u4e26\u884c\u3057\u3066\u5b9f\u884c\u53ef\u80fd\u306b\u3059\u308b\uff1a<\/p>\n<p><img alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/Use-of-Parallel-in-a-Sequence-Diagram.png\"\/><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SequenceDiagram&amp;gallery=\/repository\/3a8c69c5-b007-4e03-a100-cc8d71e0a994.xml&amp;name=Sequence%20Diagram%20Client%20and%20Server%20Parallel%20Call%20Example\">\u3053\u306e\u9806\u5e8f\u56f3\u3092\u7de8\u96c6\u3059\u308b<\/a><\/p>\n<h2>\u30d5\u30ec\u30fc\u30e0<\/h2>\n<p>\u30d5\u30ec\u30fc\u30e0\u306f\u3001\u9806\u5e8f\u56f3\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3059\u308b\u65b9\u6cd5\u3092\u63d0\u4f9b\u3059\u308b\u3002<\/p>\n<p><img alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/Use-of-Frame-in-a-Sequence-Diagram.png\"\/><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SequenceDiagram&amp;gallery=\/repository\/29f41692-dca8-4ad7-af5a-bb32201c2a4c.xml&amp;name=Sequence%20Diagram%3A%20ATM%20Transferal\">\u3053\u306e\u9806\u5e8f\u56f3\u3092\u7de8\u96c6\u3059\u308b<\/a><\/p>\n<h2>\u53c2\u7167 (Ref)<\/h2>\n<p>\u30d5\u30ec\u30fc\u30e0\u306f\u3001\u5225\u306e\u9806\u5e8f\u56f3\u3067\u53c2\u7167\u3067\u304d\u308b\uff1a<\/p>\n<p><img alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/An-example-of-Interaction-Use.png\"\/><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SequenceDiagram&amp;gallery=\/repository\/193ba62c-e5b5-4418-a58f-5bc82e0a9f40.xml&amp;name=Sequence%20Diagram%20Interaction%20Use%20Example\">\u3053\u306e\u9806\u5e8f\u56f3\u3092\u7de8\u96c6\u3059\u308b<\/a><\/p>\n<h2>\u30d7\u30ed\u30c8\u30b3\u30eb<\/h2>\n<p><img alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/Sequence-diagram-example.png\"\/><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SequenceDiagram&amp;gallery=\/repository\/ee2dee36-0056-4f6c-af39-ddfc67fd406d.xml&amp;name=Sequence%20Diagram%3A%20Supplier%20Selection\">\u3053\u306e\u9806\u5e8f\u56f3\u3092\u7de8\u96c6\u3059\u308b<\/a><\/p>\n<h3>\u5354\u50cd<\/h3>\n<p><img alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/Sequence-diagram-Collaboration.png\"\/><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SequenceDiagram&amp;gallery=\/repository\/e874dc96-54b9-4d6f-8889-5643ef2ca680.xml&amp;name=Sequence%20Diagram%3A%20Collaborations\">\u3053\u306e\u9806\u5e8f\u56f3\u3092\u7de8\u96c6\u3059\u308b<\/a><\/p>\n<h3>\u30b7\u30ca\u30ea\u30aa<\/h3>\n<p><img alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/Sequence-diagram-Scenarios.png\"\/><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SequenceDiagram&amp;gallery=\/repository\/4ec4943a-84ee-4fbe-a6d9-c8d6832418df.xml&amp;name=Sequence%20Diagram%20Example%3A%20File%20Controller\">\u3053\u306e\u9806\u5e8f\u56f3\u3092\u7de8\u96c6\u3059\u308b<\/a><\/p>\n<h2>\u4fe1\u53f7\u3068\u53d7\u4fe1<\/h2>\n<p>\u30aa\u30fc\u30af\u30b7\u30e7\u30ca\u30fc\u306f\u3001\u3042\u308b\u7269\u54c1\u306e\u63d0\u793a\u4fa1\u683c\u3092\u3001\u4e0d\u5b89\u306a\u5165\u672d\u8005\u3067\u6df7\u96d1\u3057\u305f\u90e8\u5c4b\u306b\u653e\u9001\u3059\u308b\u3002\u5165\u672d\u8005\u304c\u305d\u306e\u63d0\u6848\u3092\u805e\u3044\u305f\u3068\u304d\u3001\u4fa1\u683c\u3092\u53d7\u3051\u5165\u308c\u308b\u304b\u5426\u304b\u3092\u6c7a\u5b9a\u3059\u308b\u3002<\/p>\n<p>\u81ea\u52d5\u30aa\u30fc\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30aa\u30fc\u30af\u30b7\u30e7\u30ca\u30fc\u306f\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u63d0\u6848\u3092\u653e\u9001\u3059\u308b\u3060\u308d\u3046\u304b\uff1f\u3042\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u7279\u5b9a\u306e\u7a2e\u985e\u306e\u653e\u9001\u4fe1\u53f7\u3092\u53d7\u3051\u53d6\u3063\u305f\u5834\u5408\u306b\u81ea\u52d5\u7684\u306b\u547c\u3073\u51fa\u3055\u308c\u308b\u3079\u304d\u6307\u5b9a\u3055\u308c\u305f\u64cd\u4f5c\u3092\u6301\u3064\u3053\u3068\u304c\u3042\u308b\u3002\u3053\u308c\u3089\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u53d7\u4fe1\u3068\u547c\u3070\u308c\u308b\u3002\u4fe1\u53f7\u306f\u7279\u5225\u306a\u7a2e\u985e\u306e\u30af\u30e9\u30b9\u3067\u3042\u308b\u3002\u53d7\u4fe1\u306e\u540d\u524d\u306f\u901a\u5e38\u3001\u4fe1\u53f7\u306e\u540d\u524d\u3068\u4e00\u81f4\u3059\u308b\u3002\u53d7\u4fe1\u306f\u5225\u3005\u306e\u30b3\u30f3\u30d1\u30fc\u30c8\u30e1\u30f3\u30c8\u306b\u8868\u793a\u3055\u308c\u308b\uff1a<\/p>\n<p><img alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/Auctioneer-sequence-diagram-example.png\"\/><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=ClassDiagram&amp;gallery=\/repository\/649527aa-65ff-4010-a55e-19c1741d3f90.xml&amp;name=Class%20Diagram%3A%20Auctioneer%20and%20Bidder\">\u3053\u306e\u9806\u5e8f\u56f3\u3092\u7de8\u96c6\u3059\u308b<\/a><\/p>\n<p>\u9806\u5e8f\u56f3\u3067\u306f\u3001\u4fe1\u53f7\u3092\u975e\u540c\u671f\u4fe1\u53f7\u3068\u3057\u3066\u8868\u73fe\u3067\u304d\u3001\u53d7\u4fe1\u3092\u53d7\u4fe1\u547c\u3073\u51fa\u3057\u3068\u3057\u3066\u8868\u73fe\u3067\u304d\u307e\u3059\uff1a<\/p>\n<p><img alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/Sequence-diagram-Recursive-message.png\"\/><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SequenceDiagram&amp;gallery=\/repository\/b34d0a63-1bef-455d-8667-e517b7dc000f.xml&amp;name=Sequence%20Diagram%20Example%3A%20Auctioneer%20and%20Bidder\">\u3053\u306e\u9806\u5e8f\u56f3\u3092\u7de8\u96c6\u3059\u308b<\/a><\/p>\n<h3>\u91cd\u8981<\/h3>\n<p><img alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/Sequence-diagram-Critical.png\"\/><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SequenceDiagram&amp;gallery=\/repository\/9f1e012a-e8fa-4cbd-a3bb-b0afcd2aaf98.xml&amp;name=Sequence%20Diagram%3A%20Critical\">\u3053\u306e\u9806\u5e8f\u56f3\u3092\u7de8\u96c6\u3059\u308b<\/a><\/p>\n<h2>\u305d\u306e\u4ed6\u306e\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u30bf\u30a4\u30d7<\/h2>\n<ul>\n<li>\n<p>\u53b3\u5bc6<\/p>\n<\/li>\n<li>\n<p>\u30a2\u30b5\u30fc\u30c8<\/p>\n<\/li>\n<li>\n<p>\u691c\u8a0e\u3059\u308b<\/p>\n<\/li>\n<li>\n<p>\u7121\u8996<\/p>\n<\/li>\n<li>\n<p>\u9818\u57df<\/p>\n<\/li>\n<li>\n<p>\u5426\u5b9a<\/p>\n<\/li>\n<\/ul>\n<h2>\u9806\u5e8f\u56f3\u306e\u8a18\u6cd5\u8981\u7d04<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u8a18\u6cd5\u306e\u8aac\u660e<\/th>\n<th>\u8996\u899a\u7684\u8868\u73fe<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u30a2\u30af\u30bf\u30fc<\/strong><\/p>\n<ul>\n<li>\u5bfe\u8c61\u3068\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u304c\u679c\u305f\u3059\u5f79\u5272\u306e\u4e00\u7a2e\uff08\u4f8b\uff1a\u4fe1\u53f7\u3084\u30c7\u30fc\u30bf\u306e\u4ea4\u63db\u306b\u3088\u308a\uff09<\/li>\n<li>\u5bfe\u8c61\u3068\u306f\u5916\u90e8\u306b\u3042\u308b\uff08\u3064\u307e\u308a\u3001\u30a2\u30af\u30bf\u30fc\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u3001\u5bfe\u5fdc\u3059\u308b\u5bfe\u8c61\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u4e00\u90e8\u3067\u306f\u306a\u3044\u3068\u3044\u3046\u610f\u5473\u3067\u3042\u308b\uff09\u3002<\/li>\n<li>\u4eba\u9593\u306e\u30e6\u30fc\u30b6\u30fc\u3001\u5916\u90e8\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3001\u307e\u305f\u306f\u4ed6\u306e\u5bfe\u8c61\u304c\u679c\u305f\u3059\u5f79\u5272\u3092\u8868\u3059\u3002<\/li>\n<\/ul>\n<p>\u6ce8\u76ee\u3059\u3079\u304d\u70b9\u306f\uff1a<\/p>\n<ul>\n<li>\u30a2\u30af\u30bf\u30fc\u306f\u5fc5\u305a\u3057\u3082\u7279\u5b9a\u306e\u7269\u7406\u7684\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u8868\u3059\u308f\u3051\u3067\u306f\u306a\u3044\u304c\u3001\u3042\u308b\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u7279\u5b9a\u306e\u5f79\u5272\u3092\u8868\u3059\u3060\u3051\u3067\u3042\u308b<\/li>\n<li>\u4e00\u4eba\u306e\u4eba\u7269\u304c\u8907\u6570\u306e\u7570\u306a\u308b\u30a2\u30af\u30bf\u30fc\u306e\u5f79\u5272\u3092\u6f14\u3058\u308b\u3053\u3068\u3082\u3042\u308a\u3001\u9006\u306b\u3001\u3042\u308b\u30a2\u30af\u30bf\u30fc\u306f\u8907\u6570\u306e\u7570\u306a\u308b\u4eba\u7269\u306b\u3088\u3063\u3066\u6f14\u3058\u3089\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/li>\n<\/ul>\n<\/td>\n<td><img alt=\"UML Sequence Diagram: Actor example\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/03-sequence-diagram-actor-symbol.png\"\/><\/td>\n<\/tr>\n<tr>\n<td><strong>\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3<\/strong><\/p>\n<ul>\n<li>\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u306f\u3001\u76f8\u4e92\u4f5c\u7528\u306b\u304a\u3051\u308b\u500b\u5225\u306e\u53c2\u52a0\u8005\u3092\u8868\u3059\u3002<\/li>\n<\/ul>\n<\/td>\n<td><img alt=\"UML Sequence Diagram: Lifeline example\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/04-sequence-diagram-activation-symbol.png\"\/><\/td>\n<\/tr>\n<tr>\n<td><strong>\u6d3b\u6027\u5316<\/strong><\/p>\n<ul>\n<li>\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u4e0a\u306e\u7d30\u9577\u3044\u9577\u65b9\u5f62\u306f\u3001\u8981\u7d20\u304c\u64cd\u4f5c\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u671f\u9593\u3092\u8868\u3059\u3002<\/li>\n<li>\u9577\u65b9\u5f62\u306e\u4e0a\u7aef\u3068\u4e0b\u7aef\u306f\u305d\u308c\u305e\u308c\u958b\u59cb\u6642\u523b\u3068\u5b8c\u4e86\u6642\u523b\u3068\u4e00\u81f4\u3059\u308b<\/li>\n<\/ul>\n<\/td>\n<td><img alt=\"UML Sequence Diagram: Activation example\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/04-sequence-diagram-activation-symbol.png\"\/><\/td>\n<\/tr>\n<tr>\n<td><strong>\u547c\u3073\u51fa\u3057\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong><\/p>\n<ul>\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u76f8\u4e92\u4f5c\u7528\u306e\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u9593\u306e\u7279\u5b9a\u306e\u901a\u4fe1\u3092\u5b9a\u7fa9\u3059\u308b\u3002<\/li>\n<li>\u547c\u3073\u51fa\u3057\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u5bfe\u8c61\u306e\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u306e\u64cd\u4f5c\u306e\u547c\u3073\u51fa\u3057\u3092\u8868\u3059\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u4e00\u7a2e\u3067\u3042\u308b\u3002<\/li>\n<\/ul>\n<\/td>\n<td><img alt=\"UML Sequence Diagram: Call message example\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/05-sequence-diagram-call-message-symbol.png\"\/><\/td>\n<\/tr>\n<tr>\n<td><strong>\u623b\u308a\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong><\/p>\n<ul>\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u76f8\u4e92\u4f5c\u7528\u306e\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u9593\u306b\u304a\u3051\u308b\u7279\u5b9a\u306e\u901a\u4fe1\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n<li>\u623b\u308a\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u5bfe\u5fdc\u3059\u308b\u4ee5\u524d\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u547c\u3073\u51fa\u3057\u5143\u306b\u60c5\u5831\u3092\u623b\u3059\u3053\u3068\u3092\u8868\u3059\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u4e00\u7a2e\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/td>\n<td><img alt=\"UML Sequence Diagram: Return message example\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/06-sequence-diagram-return-message-symbol.png\"\/><\/td>\n<\/tr>\n<tr>\n<td><strong>\u81ea\u5df1\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong><\/p>\n<ul>\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u76f8\u4e92\u4f5c\u7528\u306e\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u9593\u306b\u304a\u3051\u308b\u7279\u5b9a\u306e\u901a\u4fe1\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n<li>\u81ea\u5df1\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u540c\u3058\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u547c\u3073\u51fa\u3057\u3092\u8868\u3059\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u4e00\u7a2e\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/td>\n<td><img alt=\"UML Sequence Diagram: Self message example\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/07-sequence-diagram-self-message-symbol.png\"\/><\/td>\n<\/tr>\n<tr>\n<td><strong>\u518d\u5e30\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong><\/p>\n<ul>\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u76f8\u4e92\u4f5c\u7528\u306e\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u9593\u306b\u304a\u3051\u308b\u7279\u5b9a\u306e\u901a\u4fe1\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n<li>\u518d\u5e30\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u540c\u3058\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u547c\u3073\u51fa\u3057\u3092\u8868\u3059\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u4e00\u7a2e\u3067\u3059\u3002\u305d\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u547c\u3073\u51fa\u3055\u308c\u305f\u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30b7\u30e7\u30f3\u306e\u4e0a\u306b\u3042\u308b\u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30b7\u30e7\u30f3\u3092\u6307\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/td>\n<td><img alt=\"UML Sequence Diagram: Recursive message example\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/08-sequence-diagram-recursive-message-symbol.png\"\/><\/td>\n<\/tr>\n<tr>\n<td><strong>\u4f5c\u6210\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong><\/p>\n<ul>\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u76f8\u4e92\u4f5c\u7528\u306e\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u9593\u306b\u304a\u3051\u308b\u7279\u5b9a\u306e\u901a\u4fe1\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n<li>\u4f5c\u6210\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\uff08\u30bf\u30fc\u30b2\u30c3\u30c8\uff09\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3092\u8868\u3059\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u4e00\u7a2e\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/td>\n<td><img alt=\"UML Sequence Diagram: Create message example\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/09-sequence-diagram-create-message-symbol.png\"\/><\/td>\n<\/tr>\n<tr>\n<td><strong>\u7834\u68c4\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong><\/p>\n<ul>\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u76f8\u4e92\u4f5c\u7528\u306e\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u9593\u306b\u304a\u3051\u308b\u7279\u5b9a\u306e\u901a\u4fe1\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n<li>\u7834\u68c4\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306e\u7834\u68c4\u3092\u8981\u6c42\u3059\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u4e00\u7a2e\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/td>\n<td><img alt=\"UML Sequence Diagram: Destroy message example\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/10-sequence-diagram-destroy-message-symbol.png\"\/><\/td>\n<\/tr>\n<tr>\n<td><strong>\u671f\u9593\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong><\/p>\n<ul>\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u76f8\u4e92\u4f5c\u7528\u306e\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\u9593\u306b\u304a\u3051\u308b\u7279\u5b9a\u306e\u901a\u4fe1\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n<li>\u671f\u9593\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u547c\u3073\u51fa\u3057\u306b\u304a\u3051\u308b2\u3064\u306e\u6642\u9593\u77ac\u9593\u306e\u9593\u9694\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/td>\n<td><img alt=\"UML Sequence Diagram: Duration message example\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/03\/11-sequence-diagram-duration-message-symbol.png\"\/><\/td>\n<\/tr>\n<tr>\n<td><strong>\u30e1\u30e2<\/strong><br \/>\n\u30e1\u30e2\uff08\u30b3\u30e1\u30f3\u30c8\uff09\u306f\u3001\u8981\u7d20\u306b\u3055\u307e\u3056\u307e\u306a\u30b3\u30e1\u30f3\u30c8\u3092\u4ed8\u3051\u308b\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30b3\u30e1\u30f3\u30c8\u306b\u306f\u610f\u5473\u7684\u306a\u610f\u5473\u306f\u6301\u3061\u307e\u305b\u3093\u304c\u3001\u30e2\u30c7\u30eb\u30e3\u30fc\u306b\u3068\u3063\u3066\u6709\u7528\u306a\u60c5\u5831\u3092\u542b\u3080\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr\/>\n<h2>AI\u99c6\u52d5\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u751f\u6210<\/h2>\n<p>Visual Paradigm\u306f\u3001\u81ea\u7136\u8a00\u8a9e\u306e\u8a18\u8ff0\u3092\u8a73\u7d30\u3067\u69cb\u9020\u7684\u306b\u6574\u5408\u6027\u306e\u3042\u308b\u76f8\u4e92\u4f5c\u7528\u30e2\u30c7\u30eb\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u306b\u7126\u70b9\u3092\u5f53\u3066\u305f\u3001\u5f37\u529b\u306aAI\u99c6\u52d5\u306eUML\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u30b5\u30dd\u30fc\u30c8\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u30c4\u30fc\u30eb\u306b\u3088\u308a\u3001\u624b\u52d5\u3067\u306e\u63cf\u753b\u3092\u30b9\u30ad\u30c3\u30d7\u3057\u3001\u30c6\u30ad\u30b9\u30c8\u30d9\u30fc\u30b9\u306e\u30b7\u30ca\u30ea\u30aa\u304b\u3089\u6570\u79d2\u3067\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306a\u56f3\u306b\u79fb\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>AI\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306e\u4e3b\u8981\u6a5f\u80fd<\/h3>\n<ul>\n<li>\n<p><strong>\u81ea\u7136\u8a00\u8a9e\u751f\u6210<\/strong>: \u300c\u30e6\u30fc\u30b6\u30fc\u304c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u300d\u3068\u3044\u3063\u305f\u7c21\u5358\u306a\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u5165\u529b\u3059\u308b\u3068\u3001AI\u306f\u81ea\u52d5\u7684\u306b\u53c2\u52a0\u8005\uff08\u30e9\u30a4\u30d5\u30e9\u30a4\u30f3\uff09\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6d41\u308c\u3001\u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30b7\u30e7\u30f3\u306e\u9806\u5e8f\u3092\u8b58\u5225\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8907\u96d1\u306a\u8ad6\u7406\u306e\u81ea\u52d5\u5316<\/strong>: AI\u306f\u3001\u6761\u4ef6\u8ad6\u7406\u306e\u30c6\u30ad\u30b9\u30c8\u8a18\u8ff0\u306b\u57fa\u3065\u3044\u3066\u3001\u4ee3\u66ff\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\uff08alt\uff09\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\uff08opt\uff09\u3001\u30eb\u30fc\u30d7\u306a\u3069\u306e\u9ad8\u5ea6\u306aUML\u8868\u8a18\u3092\u77e5\u7684\u306b\u51e6\u7406\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>AI\u7cbe\u7df4\u30c4\u30fc\u30eb<\/strong>: \u3053\u306e\u5c02\u7528\u30a2\u30d7\u30ea\u306f\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u76f8\u4e92\u4f5c\u7528\u30b3\u30fc\u30c9\u3084\u9ad8\u30ec\u30d9\u30eb\u306e\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u3001\u8a73\u7d30\u306aMVC\uff08\u30e2\u30c7\u30eb\u30fb\u30d3\u30e5\u30fc\u30fb\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\uff09\u306e\u30d6\u30eb\u30fc\u30d7\u30ea\u30f3\u30c8\u306b\u5909\u63db\u3057\u307e\u3059\u3002\u30b7\u30ca\u30ea\u30aa\u3092\u81ea\u52d5\u7684\u306b\u9069\u5207\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u5c64\u3001\u305f\u3068\u3048\u3070\u30d3\u30e5\u30fc\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3001\u30e2\u30c7\u30eb\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u5206\u89e3\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5bfe\u8a71\u578b\u7de8\u96c6<\/strong>: \u3053\u308c\u306b\u3088\u308a\u3001<a href=\"https:\/\/chat.visual-paradigm.com\/\">Visual Paradigm AI\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8<\/a>\u3001\u30b3\u30de\u30f3\u30c9\u300c\u30ea\u30bb\u30c3\u30c8\u72b6\u614b\u3092\u8ffd\u52a0\u300d\u3084\u300c\u30e6\u30fc\u30b6\u30fc\u3092\u9867\u5ba2\u306b\u540d\u524d\u5909\u66f4\u300d\u306a\u3069\u3092\u4f7f\u3063\u3066\u3001\u56f3\u3092\u6bb5\u968e\u7684\u306b\u6539\u5584\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30c8\u8a2d\u8a08\u5206\u6790<\/strong>\uff1aAI\u306b\u56f3\u306e\u8a55\u4fa1\u3092\u4f9d\u983c\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u306e\u305f\u3081\u306b\u975e\u540c\u671f\u306b\u3059\u3079\u304d\u540c\u671f\u547c\u3073\u51fa\u3057\u3092\u7279\u5b9a\u3059\u308b\u306a\u3069\u3067\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3068\u7d71\u5408<\/h3>\n<ul>\n<li>\n<p><strong>\u30de\u30eb\u30c1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u30a2\u30af\u30bb\u30b9<\/strong>\uff1a\u4ee5\u4e0b\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u56f3\u3092\u751f\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002<a href=\"https:\/\/www.visual-paradigm.com\/features\/ai-chatbot\/\">AI\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8<\/a>\u307e\u305f\u306fVisual Paradigm Online\u3092\u4f7f\u7528\u3057\u3001\u305d\u308c\u3089\u3092\u4ee5\u4e0b\u306e\u30c4\u30fc\u30eb\u306b\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002<a href=\"https:\/\/www.visual-paradigm.com\/features\/\">Visual Paradigm Desktop<\/a>\u30a2\u30d7\u30ea\u3067\u9ad8\u5ea6\u306a\u30e2\u30c7\u30ea\u30f3\u30b0\u3068\u30b3\u30fc\u30c9\u5de5\u5b66\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u81ea\u52d5\u6587\u66f8\u751f\u6210<\/strong>\uff1aAI\u306f\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u304b\u3089\u76f4\u63a5\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u8981\u7d04\u3001\u8a73\u7d30\u306a\u52d5\u4f5c\u30e2\u30c7\u30eb\u3001MVC\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u6587\u66f8\u3092\u751f\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30e2\u30c7\u30eb\u9593\u9023\u643a<\/strong>\uff1aVisual Paradigm\u306eAI\u306f\u3001\u9ad8\u30ec\u30d9\u30eb\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u6bb5\u968e\u7684\u306a\u30b9\u30c6\u30c3\u30d7\u5206\u89e3\u3092\u30ac\u30a4\u30c9\u4ed8\u304d\u3067\u8a73\u7d30\u306a\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u56f3\u3084\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306b\u5909\u63db\u3059\u308b\u306a\u3069\u3001\u7570\u306a\u308b\u56f3\u306e\u7a2e\u985e\u3092\u7d71\u5408\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<hr\/>\n<ol>\n<li>\u53c2\u8003\u6587\u732e<\/li>\n<li><a href=\"https:\/\/chat.visual-paradigm.com\/docs\/uml-sequence-diagram-a-definitive-guide-to-modeling-interactions-with-ai\/\"><strong>UML\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\uff1aAI\u3092\u6d3b\u7528\u3057\u305f\u76f8\u4e92\u4f5c\u7528\u306e\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u6c7a\u5b9a\u7248\u30ac\u30a4\u30c9<\/strong><\/a>\uff1aAI\u3092\u6d3b\u7528\u3057\u3066UML\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3068\u76f8\u4e92\u4f5c\u7528\u3092\u30e2\u30c7\u30ea\u30f3\u30b0\u3059\u308b\u305f\u3081\u306e\u5305\u62ec\u7684\u306a\u30ac\u30a4\u30c9<\/li>\n<li><a href=\"https:\/\/blog.visual-paradigm.com\/how-to-turn-requirements-into-diagrams-with-an-ai-chatbot\/\"><strong>AI\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8\u3067\u8981\u4ef6\u3092\u56f3\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5<\/strong><\/a>\uff1aAI\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8\u6280\u8853\u3092\u4f7f\u3063\u3066\u3001\u30c6\u30ad\u30b9\u30c8\u5f62\u5f0f\u306e\u8981\u4ef6\u3092\u8996\u899a\u7684\u306a\u56f3\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3059<\/li>\n<li><a href=\"https:\/\/ai.visual-paradigm.com\/tool\/sequence-diagram-refinement-tool\/\"><strong>\u7121\u6599\u306eAI\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u6700\u9069\u5316\u30c4\u30fc\u30eb<\/strong><\/a>\uff1aVisual Paradigm\u306eAI\u642d\u8f09\u30c4\u30fc\u30eb\u3067\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u306e\u6700\u9069\u5316\u3068\u5f37\u5316\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/features\/ai-sequence-diagram-refinement-tool\/\"><strong>AI\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u6700\u9069\u5316\u30c4\u30fc\u30eb \u2013 Visual Paradigm<\/strong><\/a>\uff1aAI\u652f\u63f4\u306b\u3088\u308b\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u4f5c\u6210\u3068\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u6a5f\u80fd<\/li>\n<li><a href=\"https:\/\/chat.visual-paradigm.com\/\"><strong>Visual Paradigm AI\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8<\/strong><\/a>\uff1a\u81ea\u7136\u8a00\u8a9e\u3092\u901a\u3058\u3066UML\u56f3\u306e\u4f5c\u6210\u3068\u7de8\u96c6\u304c\u53ef\u80fd\u306a\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306aAI\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/features\/ai-chatbot\/\"><strong>AI\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8\u6a5f\u80fd \u2013 Visual Paradigm<\/strong><\/a>\uff1a\u56f3\u306e\u751f\u6210\u3068\u30e2\u30c7\u30ea\u30f3\u30b0\u306b\u304a\u3051\u308bAI\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8\u306e\u6a5f\u80fd\u306e\u6982\u8981<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=IO7atI4ghss\"><strong>Visual Paradigm AI\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<\/strong><\/a>\uff1aAI\u642d\u8f09\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u4f5c\u6210\u3092\u30c7\u30e2\u30f3\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u3059\u308b\u52d5\u753b\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<\/li>\n<li><a href=\"https:\/\/www.fliplify.com\/comprehensive-review-visual-paradigms-ai-diagram-generation-features\/\"><strong>\u5305\u62ec\u7684\u306a\u30ec\u30d3\u30e5\u30fc\uff1aVisual Paradigm\u306eAI\u56f3\u4f5c\u6210\u6a5f\u80fd<\/strong><\/a>\uff1aVisual Paradigm\u306eAI\u642d\u8f09\u56f3\u4f5c\u6210\u6a5f\u80fd\u306e\u8a73\u7d30\u306a\u30ec\u30d3\u30e5\u30fc<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=h_k_DJxFu68\"><strong>Visual Paradigm AI\u6a5f\u80fd\u30c7\u30e2<\/strong><\/a>\uff1aVisual Paradigm\u306eAI\u6a5f\u80fd\u3092\u7d39\u4ecb\u3059\u308b\u30c7\u30e2\u52d5\u753b<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=0NST4ZzEtDY\"><strong>Visual Paradigm AI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<\/strong><\/a>\uff1aVisual Paradigm\u306eAI\u6a5f\u80fd\u3092\u7d39\u4ecb\u3059\u308b\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<\/li>\n<li><a href=\"https:\/\/www.cybermedian.com\/how-visual-paradigms-ai-powered-ecosystem-transforms-uml-development\/\"><strong>Visual Paradigm\u306eAI\u99c6\u52d5\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u304cUML\u958b\u767a\u3092\u3069\u306e\u3088\u3046\u306b\u5909\u9769\u3059\u308b\u304b<\/strong><\/a>\uff1aVisual 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