SEAT DEVICE FOR VEHICLE

[TASK]In a reclining seat device, the behavior of the vehicle is accurately conveyed to a seated occupant without regard to the reclining angle of the seat back with respect to the seat cushion.[SOLUTION]The air cells 30 of the seat cushion 22 are vibrated with a higher intensity than those of the seat back 26 when the reclining angle is smaller than a predetermined value, and the air cells 30 of the seat back 26 are vibrated with a higher intensity than those of the seat cushion 22 when the reclining angle is equal to or greater than the predetermined value.