Cosmorama is a distinctive accommodation facility located in Katashina Village, Tone District, Gunma Prefecture. Completed in 1978, this architectural work was designed by Arakaki Masahiko. The building represents an intriguing example of late 1970s resort architecture, showcasing the era's approach to hospitality design. Situated in a mountain setting, Cosmorama was conceived to provide guests with a unique lodging experience. The structure reflects the architectural sensibilities and design philosophies characteristic of its period, making it a notable example for those interested in Japanese commercial architecture and the evolution of resort facility design during the post-war decades.