The children's center that had nurtured the children of Kajima employees for years was closed down. Inheriting its spirit, the center was converted into a training center to nurture the next generation's leaders. The entrance was opened up by removing the partition wall, which was replaced by a bookshelf to provide access to books on architecture and business between training sessions and create a subtle boundary with the lounge. The low ceiling of the training room was partially gutted to create a sense of openness. The former high-ceilinged playroom was converted into a conference hall, and louvers that continue from the ceiling to wall emphasize the light penetrating through the skylight. The existing solid wood flooring was sanded for reuse, and desks and long benches placed in the former garden promote outdoor work. The aim was to create a place where a wide range of employees can interact and grow proactively while utilizing the features of the existing building and retaining the old materials and settings in various places.