A control system including: an input apparatus including a sensor portion; and a control apparatus including a coordinate generation portion that generates, based on a detection signal detected by the sensor portion, positional coordinates of a pointer on a screen, a selection area change portion that changes, in accordance with a level of a shake amount calculated based on the detection signal, a size of an icon selection area as an area where an icon on the screen is selected by the pointer, and a display control portion that controls display on the screen so that the pointer is displayed at a position corresponding to the positional coordinates of the pointer.