However, when the shogun's power was lost in the Onin War, the Hosokawa clan overwhelmed the Shiba clan and the Hatakeyama clan, that were the heads of the three kanrei, and started to control the politics of the bakufu.
しかし、応仁の乱により将軍の権力が失墜すると、細川氏は三管領筆頭の斯波氏、畠山氏を圧倒し、幕政を牛耳るようになった。