Emperor Gosanjo came out with one policy after another intended to revive the emperor's prestige and the ritsuryo system (a legal system introduced from the Tang dynasty in China), and the following Emperor Shirakawa also continued these policies.
後三条天皇は、天皇の威信と律令の復興を意図する政策を次々と打ち出し、次代の白河天皇もその政策を引き継いだ。