
01 · Shibuya, Tokyo
MIXI
The internal staircase
Walls are kept to a minimum and every floor is linked by an internal staircase, so chance meetings are part of the plan.
Read the MIXI office →COLLECTIONS › INTERNAL STAIRCASES
Collection
Stairs that tie the floors together — offices in Japan that chose a staircase over the lift.
An internal staircase joins floors that lifts keep apart. In these offices the stair is also seating, a meeting place and the centre of the building.

01 · Shibuya, Tokyo
The internal staircase
Walls are kept to a minimum and every floor is linked by an internal staircase, so chance meetings are part of the plan.
Read the MIXI office →
02 · Takeshiba, Tokyo
Internal staircase
An open internal staircase links the floors.
Read the SoftBank office →03 · Shibuya, Tokyo
The internal stairs
The four main work floors, 29F to 32F, are linked by internal stairs.
Read the SANSAN office →


06 · Kanon-shinmachi, Hiroshima
The stair, close up
The great stair cuts diagonally through the void and ties the divisions together on the way up.
Read the MOLTEN office →
07 · Nishi-Oi, Tokyo
The great stair, used as seating
The ground-floor atrium is a stepped hall with a large screen: the great stair doubles as seating.
Read the NIKON office →
08 · Kyōbashi, Tokyo
The stair, with text set into the concrete
The main stair is concrete and glass, with large English lettering cast into the wall.
Read the TODA CORPORATION office →
09 · Otemachi, Tokyo
The stair from the concourse
A void runs from the second basement to the ground floor, with a great stair carrying people up from the subway.
Read the MITSUI & CO. office →
10 · Azabudai, Tokyo
The stair and its artwork
The reception runs in stone, with a stair curving up through it.
Read the BAYCURRENT office →
11 · Toranomon, Tokyo
The internal stair
Three floors, one staircase.
Read the MIZUHO LEASING office →

Questions
WALL has picked 13: MIXI (Shibuya, Tokyo), SoftBank (Takeshiba, Tokyo), SANSAN (Shibuya, Tokyo), Rakuten (Futako-Tamagawa, Tokyo), QVC Japan (Makuhari, Chiba), MOLTEN (Kanon-shinmachi, Hiroshima), NIKON (Nishi-Oi, Tokyo), TODA CORPORATION (Kyōbashi, Tokyo), MITSUI & CO. (Otemachi, Tokyo), BAYCURRENT (Azabudai, Tokyo), MIZUHO LEASING (Toranomon, Tokyo), UZABASE (Marunouchi, Tokyo), YANMAR (Chayamachi, Osaka).
They are spread across 4 places: Tokyo (10), Chiba (1), Hiroshima (1), Osaka (1).
Most are private workplaces and not open to the public. WALL reports on them from the companies’ own published material; each office page links to its source.
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