Inyogogyo (the cosmic dual forces (yin and yang) and the five elements (metal, wood, water, fire and earth) in Chinese cosmology) and Hakke (eight trigrams) which originated from Taoism were extremely prosperous during a period from the Nara period to the Heian period.
道教由来の陰陽五行や八卦などが奈良時代から平安時代に隆盛を極めた。