To provide a technology capable of properly changing an operation screen to be displayed at a display part in accordance with a user.

A control device for controlling a display part for electronic equipment comprises: a display control part for displaying one or more operation screens for accepting the operation of a user to the electronic equipment at the display part; and a determination part for determining whether or not change conditions including the fact that a first required time until the operation to the first operation screen among one or more operation screens is accepted from the user after the display of the first operation screen has exceeded a first reference value are satisfied. When displaying an object screen as at least one operation screen among one or more operation screens after the change conditions are satisfied, the display control part displays the changed object screen in which at least the color of one part in the object screen is changed.