A vehicle is equipped with a body that includes a floor panel, a door that is attached to a body, a door lock mechanism that includes an outer hook and an inner hook and that is attached to a lower portion of a door to lock the door on the floor panel, and a slope device attached to a lower side of the floor panel. Tip portions of the outer hook and the inner hook penetrate the floor panel downward outside a vehicle outer end of a slope with respect to the vehicle, and restrain the slope from being deployed outward of the vehicle, when the door is locked.