A pivot window includes a laminated body. The laminated body includes two sheets of a plate material; a peripheral end member provided at a peripheral end parts of the two sheets of the plate material; and a cell array plate material which is interposed between the two sheets of the plate material and which has a plurality of cells respectively having a gas phase and encapsulating a latent heat storage material having a melting point and a freezing point in a specific temperature range. The pivot window further includes a rotation mechanism for causing the laminated body to perform at least half rotation in a vertical direction.