Kōbai-sō is a special nursing home for the elderly completed in 2012, located in Mogami Town, Yamagata Prefecture. Designed by the architectural firm Mikan-gumi, this facility represents a thoughtful approach to elder care architecture. The building integrates residential functions with welfare services, creating a compassionate environment for seniors. Mikan-gumi's design philosophy emphasizes harmonious integration with the surrounding landscape and community, reflecting contemporary Japanese approaches to long-term care facilities that prioritize dignity and quality of life for residents while maintaining functional efficiency.