Daimon Station on the Tokyo Metro Oedo Line represents a remarkable achievement in early 21st-century transit architecture. Completed in 2000 and designed by Ken Yokogawa of Yokogawa Design Workshop, this station seamlessly integrates functional transportation infrastructure with sophisticated architectural aesthetics. Located in Hamamatsucho, Minato Ward, the station exemplifies the innovative design approaches that defined Tokyo's rapid transit expansion during the millennium transition. The thoughtful spatial design and attention to passenger experience make Daimon Station a noteworthy example of contemporary Japanese transportation architecture worth studying for its technical excellence and design sensitivity.