About Ōbaku Zen architecture

The Ōbaku school of Zen arrived in Japan in the middle of the seventeenth century, several centuries after the other Zen schools, and as a consequence its temples typically have a different architecture, based on Chinese Ming and Qing architectures.
Engaku-ji, a building with old-style katōmado

Japanese Buddhist architectonic solutions

Japanese Buddhist architecture is the architecture of Buddhist temples in Japan, consisting of locally developed variants of architectural styles born in China. After Buddhism arrived the continent via Three Kingdoms of Korea in the 6th century, an effort was initially made to reproduce original buildings as faithfully as possible, but gradually local versions of continental styles were developed both to meet Japanese tastes and to solve problems posed by local weather, which is more .