The first half of the tenth century, when Sessho and Kanpaku-based politics, the Kanshiukeoi system, and the inheritance of such a family businesses started, was also the era when standard styles of rituals in the Imperial court and religious rituals were established.
摂関政治、官司請負、家業の継承が始まった10世紀前半は、その後の貴族社会において最重要事項とされた朝廷儀式・宗教儀式の標準作法が形成された時期でもある。