Therefore, we need to pay attention to the fact that there is no proof of the argument based on the assumption that this theory is the ideological background for choosing the land for Heian-kyo, which was built in the late eighth century.
そのため、同説が8世紀後葉に建設された平安京選地の思想的背景であるとの前提に立った主張については裏付けがないことに注意が必要である。