LAMP DEVICE FOR VEHICLE AND LIGHTING DEVICE FOR VEHICLE

An adjustment mechanism configured to adjust a reference position of an optical axis (A) of a projection lens (14) of a lens unit (30) has a reference axis (B) perpendicular to the optical axis (A) and disposed in a plane which intersects with a focal point (F) of the projection lens (14). The lens unit (30) moves in an extension direction of the reference axis (B) in accordance with rotation of a second screw (91). An acting point of a force to move the lens unit (30) is disposed in a plane formed by the optical axis (A) and the reference axis (B).