{"ok":true,"entity":{"id":"advertising-agency","name":"広告代理店","category":"Advertising Concept","entityType":"concept","updatedAt":"2026-07-03T10:44:23.873Z","officialName":"Advertising Agency","canonicalName":"広告代理店","displayName":"広告代理店（Advertising Agency）","shortDescription":"企業に代わって広告の企画・制作・媒体取次を行う事業者の総称。電通のような総合広告代理店から、朝日広告社のような特定媒体に特化した代理店まで、事業規模・専門領域は多岐にわたる。","alias":["Advertising Agency","アドエージェンシー"],"searchKeywords":["広告代理店","Advertising Agency","広告業界","メディアバイイング"],"website":null,"parentEntity":null,"primaryCluster":"entertainment-media","secondaryClusters":[],"productCategory":"Advertising 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