In particular, due to the separation of Buddhism and Shintoism, which was promoted during the Meiji Restoration, the synthesis of Shinto and Buddhism suffered a fatal blow and was excluded from the center of Shinto teachings, which, under Jinjahishukyoron (theory that Shinto is not a religion), shed religious colors and figured on becoming practical, ritualistic, and spiritual pillars for the people.
特に明治維新の際に打ち出された神仏分離によって神仏習合思想は壊滅的な打撃を受け、神社非宗教論のもと宗教色を切り捨てて国民の慣習・儀式・精神的支柱を目指した神道教義の中心から外れた。