Completed in 2000, the Ensishi Kyozaikan is the new gymnasium of Oita Prefectural Hita High School, located in Hita City. Designed by renowned architect Tetsuro Kurokawa in collaboration with Design League, this indoor sports facility represents a significant achievement in contemporary Japanese architectural design. The building's name reflects philosophical concepts of foresight and grand timber construction, symbolizing its architectural vision. As a functional yet aesthetically considered structure, it serves as an important venue for athletic activities while demonstrating thoughtful integration of design principles within an educational campus setting.