Nissan Motor Co., Ltd. has opened a new concept design presentation hall that combines real and digital in its Global concept design Center in Atsugi, Kanagawa Prefecture. The hall is equipped with a curved 24K LED screen, a full-color ceiling screen, remote lighting technology, a 7.1ch sound system, and other features, making it possible to reproduce with high precision the various environments in which customers around the world actually use cars. The aim is to develop products that meet diverse needs in a more timely manner by digitalizing concept design process. We were in charge of the design, structural calculations, interiors construction, and the full-color ceiling screen. Time-based changes in light, weather, and natural elements can be reproduced in real time with a high sense of realism and immersion, making it possible to verify and check models created digitally in various market environments.