Passive Town Phase 1 District represents an innovative residential community completed in 2016 in Kurobe City, Toyama Prefecture. Designed by Estech Planning Institute and Place Media, this housing development exemplifies sustainable architecture principles with its passive design strategies. The project demonstrates a commitment to environmental responsibility through energy-efficient building techniques and thoughtful urban planning. Located in a regional setting, it serves as a notable example of contemporary Japanese residential architecture that prioritizes ecological performance alongside livability, making it of particular interest to architects studying sustainable housing solutions and passive design methodologies in Japanese contexts.