鉄道運行管理シミュレーション: [Update v1.8] New "Keihin-Ohta" Map, Persistent UI Layout, and More

Update v1.8 is live! This release adds the new Keihin-Ohta map and brings per-map UI layout memory to all floating windows. 🚉 New Map: Keihin-Ohta ・A 6-platform terminal where the main line and the airport branch diver…