畑と山の上を飛ぶローポリ3D農業機フライトゲーム

Build a complete browser-based 3D flight game. The player flies a yellow single-engine propeller plane, starting on an asphalt runway at a small airfield with a hangar and markings. Use a bright low-poly world: rolling green fields, scattered trees in varied colors, ponds, hay bales, snowy mountains in the distance, soft clouds and haze. Provide takeoff, free flight and landing, a chase camera, and a minimal HUD along the top and bottom edges showing flight data. Add subtle plane shadows, propeller motion and fog for depth. Deliver it as a self-contained web project using Three.js that runs from a local folder. Done means the plane can taxi, take off, fly across varied terrain and land again, with smooth frame rate and no console errors.