A simple roof sits over a nogaku stage under the ceiling lights of the larger building in which the whole stage is enclosed
Yokohama Noh Theatre, Yokohama, Kanagawa Prefecture

Nōgaku was originally performed on an outdoor stage, and even when brought indoors retained it original roofed architecture., with a secondary roof covering the entire stage and the audience seating area. Outdoor nōgaku stages can be still be found throughout Japan on shrine and temple grounds. The roof gets lower further upstage to help direct the sound outward.

A view of the underside of a nogaku stage roof that shows the many crossbeams running from the center outward
The inside of the nōgaku stage roof. Kita Roppeita XIV Commemorative Noh Theatre, Shinagawa, Tokyo
A roof covers the bridgeway and the mainstage of the outdoor nogaku stage at Itsukushima Shrine
Outdoor nogaku stage at Itsukushima Shrine, Hatsukaishi, Hiroshima Prefecutre
The outdoor nogaku stage at Itsukushima shrine is covered by two tiered roof