North Noh Stage - Kitano Ubutai

...The stage style we see today is thought to have been established around the second half of the 16th century (the end of the Muromachi period). The oldest surviving Noh stage is the North Noh Stage (national treasure) at Nishi Honganji Temple in Kyoto City, which is believed to have been built before 1581 (Tensho 9). It is a two-ken stage with a single floor beam in the center, but in reality it is just over 17 shaku (about 5.1 m) wide and 19 shaku (about 5.7 m) deep, which is close to the dimensions of three ken square, and is actually deeper than it is width. ...

*Some of the terminology used in reference to the "Kita Noh Stage" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…ほぼ現行のような舞台の様式が整うのは，だいたい16世紀後半(室町末期)と考えられる。現存最古の能舞台は京都市西本願寺の北能舞台(国宝)で，1581年(天正9)以前の建築とされる。中央に床束（ゆかづか）を1本入れた方2間式の舞台だが，実際は間口17尺(約5.1m)強，奥行き19尺(約5.7m)で3間四方の寸法に近く，しかも間口より奥行きが深い。…

※「北能舞台」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報