This office is provided with a first space which is provided inside a room, is divided at least by a wall, and has a desk provided therein, and a second space which is provided inside the room, is divided at least by a wall, and has a desk provided therein, wherein the floor in the second space is higher than the floor in the first space, and no wall or door is provided in the direction that is to the front when the desk provided in the second space is being used.