Because all of them were built during the same period and were temple architecture, they were built in Shoin-zukuri style basically, so that they were used as a tasteful daily room which incorporated free, light, easy and sophisticated designs while maintaining the elegance of Shoin-zukuri.
いずれも、同時代の建築であり寺院建築でもあるため、基本的には書院造りであり、その気品を失わず、数寄屋造りの自由で軽妙なしゃれた意匠を随所に取り入れて、日常の風雅な居室として使用された。