Abstract: A conveyance seat accommodable in a recess of a floor includes: a seat cushion; a front leg portion which supports a front lower portion of the seat cushion and of which one end is rotatably fixed at the front lower portion of the seat cushion and the other end is detachably fixed at a position in front of the recess; a rear leg portion which supports a rear lower portion of the seat cushion and of which one end is rotatably fixed at the rear lower portion of the seat cushion and the other end is rotatably fixed to the floor inside the recess; and an arm portion of which one end is rotatably fixed to the rear leg portion and the other end is fixable to the floor at a position behind the other end of the rear leg portion.

Abstract: A mode adjustment system capable of changing interior in a conveyance with less effort and time includes an input device that allows an occupant to select mode information in which position information of a seat and a shade are registered in advance, a mode switching device that receives the mode information from the input device and switches the positions of the seat and the shade based on the mode information, a seat adjustment device, and a shade adjustment device. The mode switching device includes a seat movement amount calculator calculating the movement amount of the seat and a shade movement amount calculator calculating the movement amount of the shade, the seat adjustment device adjusts the position of the seat based on the calculated movement amount of the seat, and the shade adjustment device adjusts the position of the shade based on the calculated movement amount of the shade.