As the medieval national polity, which corresponded to the establishment of shoen koryo sei (the system of public lands and private estates) and the advent of cloister government/samurai government, was progressively built up during the period from the mid-11th century to the 12th century/early 13th century, the period of dynastic polity ended around that time.
11世紀中期から12世紀・13世紀初頭にかけて、荘園公領制の成立や院政・武家政治の登場などに対応した中世国家体制が漸進的に構築されていったため、この時期に王朝国家体制は終期を迎えた。