SEAT DEVICE FOR VEHICLE

A seat device for a vehicle includes a first airbag being disposed at a side wall portion of a recessed portion which is configured to accommodate an occupant of a seat therein, and a second airbag being disposed at an outer peripheral rim portion of the recessed portion, the outer peripheral rim portion which is connected to the side wall portion. The first airbag and the second airbag expand to form a support shape at the recessed portion in a seat width direction.