Passenger restraining device for vehicle

A passenger restraining device for a vehicle, comprising:

• a three-point seatbelt device including a shoulder belt that extends from above a seat transverse direction one end side of a seatback, which structures a vehicle seat in which a passenger sits, toward a buckle that is at a lower portion of a seat transverse direction another end side;
• a belt guide that is provided at an upper portion side of the seat transverse direction one end side of the seatback, through which the shoulder belt is inserted, and that is disposed along a restrained surface of the passenger seated in the vehicle seat;
• a fixing portion that fixes a length direction rear end portion of the belt guide to a seat shoulder opening that is at the seat transverse direction one end side of an upper portion of the seatback;
• and
• a front side portion that is provided at a length direction front side of the belt guide, that, in a usual state, is disposed further toward a vehicle front side than a collarbone of the passenger seated in the vehicle seat, and that is structured so as to be hard to bend as compared with a length direction rear side portion of the belt guide.