At that time, the regency government that Sekkan-ke (the families which produced the Regent and the Chief Adviser to the Emperor) monopolized the highest level of political power was developed and the forming social standing and fixing family business and trade were undergoing so the nobility in the middle lower class only inherited a specific government post and could not ask any more promotion.
当時は摂関家が政治の上層を独占する摂関政治が展開し、中流・下流貴族は特定の官職を世襲してそれ以上の昇進が望めない、といった家職の固定化が進んでいた。