"Obsidian Butterfly Find A Last Song In Deep Blue Forest"
「青の森で 黒曜石の蝶は 歌を見つける」
――「第25楽章 神の不確かな音 : Deus Ex Machina」, 『ラーゼフォン』
Sanmon-Santō Sakamoto Sōezu (Japanese: 山門三塔坂本惣絵図) is the two old maps (1st & 2nd volume) that shows the precincts of Enryakuji Temple (Japanese: 延暦寺, Hepburn: Enryakuji) on Mount Hiei (Japanese: 比叡山, Hepburn: Hieizan) and Sakamoto area (Japanese: 坂本, Hepburn: Sakamoto) at the foot of Mount Hiei, Otsu City, Shiga Prefecture, Japan. The maps was made in 1767  (the middle of the Edo period, Japan). The author is unknown.
The 1st volume of the maps shows Yokawa area (Hoku-tō area) (Japanese: 横川地区 (北塔地区), The North Pagoda area) in the precincts of Enryakuji Temple on Mount Hiei and Sakamoto area at the foot of Mount Hiei.