A cutting device (100) is provided with a cutter roll (110) and an anvil roll (130) which is disposed so as to face the cutter roll. The cutter roll is provided with: a first rotating member (113) having a cutting blade (111) and rotating in the a-direction a first outer peripheral member (114) rotating as the first rotating member rotates and a drive member. The first outer peripheral member (114) is provided with: a first contact section (120a) for delivering a web (7) in the conveyance direction (MD) and a first relative movement section (121) for moving the first contact section relative to the first rotating member (113). The first relative movement section (121) is configured so as to move the first contact section along the outer periphery of a first rotating shaft.
