鉄道運行管理シミュレーション: [Update v1.6] New "Takanawa" Map, Coupling/Uncoupling, and Diagram View

Update v1.6 is live! This release adds the new Takanawa map, full coupling/uncoupling mechanics, and a new Diagram View. 🚉 New Map: Takanawa ・The biggest terminal map yet ・Three scenarios: Morning Rush (★5), DayTime (★…