The Shinto shrines that sit on the roofs of Tokyo department stores

Ride the elevator past the leather goods, past the top-floor tenpura counters, to the button most shoppers never press — the one marked 屋上, okujō, the roof. The doors open onto flat concrete, ventilation stacks, a vending machine humming to itself, and then, past a low red gate, a working Shinto shrine (jinja) with the whole city breathing several floors below.

The button above the top floor

Most people ride the other way, down to the basement food halls (depachika, 地下), and stop there among the boxed sweets. The okujō was the department store's other gravity. When Mitsukoshi (三越) laid out one of Tokyo's first rooftop gardens above its Nihombashi store in the early 1900s, the roof became the family destination: a small menagerie, ranks of coin-operated rides, a pet shop, a beer garden that opened when the evenings turned warm. Mothers sat on benches while children spent their coins.

The rides thinned out and the animals mostly went, priced out by escalators to the food halls and by the arcades that pulled the children indoors. What tended to stay was the thing installed first and moved last — the shrine. A store could retire a carousel in a weekend. Deconsecrating a kami is not a decision a retailer makes lightly, so the torii (鳥居), the gate that marks the line between ordinary ground and sacred ground, usually outlasts everything around it.

What is actually up there

At the Nihombashi Mitsukoshi main store (日本橋三越本店), the rooftop keeps a branch of Mimeguri Jinja (三囲神社), the Mukojima shrine the founding Echigoya merchants worshipped centuries before the escalators arrived. It is a modest wooden structure with a stone fox or two, tucked behind planters, easy to walk past if you are only there for the view. The lions everyone photographs sit at the ground-floor entrance; the shrine keeps to itself, up top, unadvertised.

At Matsuya Ginza (松屋銀座) the roof holds a compact shrine behind a red torii, close enough to the parapet that the low roar of Chūō-dōri comes up over the offering box. Isetan's Shinjuku store (伊勢丹新宿店) does it differently: its roof is a planted garden, the I-Garden (アイ・ガーデン), and the shrine sits among clipped trees and seasonal flowerbeds rather than on bare concrete. In each case the scale is domestic — a structure smaller than a garden shed, tended, swept, and entirely unhurried while the tills run below.

The shop sells the day; the shrine keeps the year.

Coins, a bell, and two claps

The rite is short and the same everywhere. You approach the offering box (saisen-bako, 賽銭箱) and drop in a coin. The conventional choice is a five-yen piece, because go-en (五円) is a homophone for ご縁, the word for a connection or a bond — a small pun that turns loose change into a wish for good ties. If there is a bell rope, you pull it once; the rope of braided cloth ends in a suzu (鈴) whose flat clatter is meant to reach the kami and clear your own head at the same time.

Then the standard sequence at a Shinto shrine: two bows, two claps, one bow — ni-rei ni-hakushu ichi-rei (二礼二拍手一礼). Bow deeply twice, clap twice at chest height with the right hand slid slightly lower than the left, hold your hands together for the wish, then bow once more. It takes under a minute. Nobody is watching, and there is no attendant to correct you; the pigeons and a lone smoker are the only congregation on a Tuesday.

How to visit without intruding

There is no ticket and no queue. The roofs are simply the top floors of shops, open through trading hours — roughly ten in the morning until the store closes around eight in the evening, weather permitting, since a rooftop can shut in rain or when it is hired for an event. Matsuya Ginza connects directly to Ginza Station (Tokyo Metro Ginza, Marunouchi and Hibiya lines) at exit A12; Mitsukoshi sits over Mitsukoshimae Station (Ginza and Hanzōmon lines); Isetan is a covered walk from Shinjuku-sanchōme Station (Marunouchi, Fukutoshin and Shinjuku lines). Take the elevator, not the escalator, and press for 屋上 or R.

Go on a weekday afternoon, when the roof belongs to a few smokers and someone eating a convenience-store (konbini) lunch on a bench. The one thing to get right is the walking line: the centre of a torii and the centre of the path, the seichū (正中), is left for the kami, so keep to the side as you pass through and as you approach the box. Bow once before the gate, photograph the sky and the water tanks rather than anyone mid-prayer, and you will have found the quietest square of Tokyo still standing above the tills.

屋上に神社があると知る人は、意外と少ない。