At Taima-dera Temple, which was constructed in the Nara period, the Buddha hall that enshrines the statue of Miroku Bosatsu, the main object of worship, is called 'Kondo' (a national treasure) while the Mandala hall in which the Taima Mandala is enshrined, having been constructed in 1161 during the period of cloister government, is called 'Hondo' (a national treasure).
奈良時代に建てられた當麻寺（奈良県葛城市）でも創建当初の本尊仏である弥勒菩薩を安置する仏堂を「金堂」（国宝）と称するのに対し、院政期文化の永暦2年（1161年）に建造された、当麻曼荼羅のある曼荼羅を「本堂」（国宝）と呼称する。