An object is to effectively use a surface of a display unit of a mobile communication terminal and to appropriately set a detection area according to display modes, thereby allowing a user to perform an operation easily and intuitively. A mobile communication terminal 110 of the present disclosure includes a display unit 214, a screen control unit 240 that displays a plurality of screens arranged on the display unit, a touch detection unit 218 that receives a user input to a surface of the display unit 214 and a detection area setting unit 242 that, when the plurality of screens are arranged on the display unit 214, sets, as a detection area of the touch detection unit 218 that receives an operation to each of the screens, an area corresponding to either one screen according to sizes of the screens.