Waseda University Building 40, also known as the Green Computing Systems Research and Development Center, is a contemporary academic facility completed in 2011 in Tokyo's Shinjuku ward. Designed by Yamashita Sekkei and constructed by Takenaka Corporation, this structure represents a modern approach to sustainable university architecture. The building serves as a dedicated research center focusing on environmentally conscious computing technologies. Its design reflects contemporary principles of green building practices, integrating efficient systems suitable for advanced technological research. The facility exemplifies the collaboration between leading architectural and construction firms in creating innovative spaces that support cutting-edge academic pursuits while maintaining environmental responsibility.