The 10 door paintings and 4 wall paintings within the main hall are included as National Treasures along with the building itself but also have separate National Treasure designations as works of art.
中堂の扉10面、壁4面は、国宝建造物の一部であるとともに、そこに描かれた絵は絵画部門の国宝にも指定されている。