An electronic device includes a first casing rotatably supported by a first rotation axis, a second casing rotatably supported by a second rotation axis that is parallel to the first rotation axis, a first cam that is provided on the first rotation axis, rotates about the first rotation axis in accordance with rotation of the first casing, and causes the first casing to move together with the first rotation axis in a direction away from the second rotation axis, a second cam that is provided on the second rotation axis, rotates about the second rotation axis in accordance with rotation of the second casing, and causes the second casing to move together with the second rotation axis in a direction away from the first rotation axis, and an elastic member that applies a force in a direction in which the first rotation axis and the second rotation axis become closer.