Information processing device and information processing program

An information processing device, comprising a processor, wherein the processor is configured to execute control such that:

• an operation unit, which is receiving a movement operation due to dragging or sliding by a user and which is for instructing a predetermined processing, is displayed on a display,
• the operation unit is moved so as to follow the movement operation when the movement operation is executed on the operation unit by the user, and
• when the movement operation ends after movement of the operation unit from one end portion to a side in front of another end portion of a movement region of the operation unit by the movement operation, the operation unit is moved to the other end portion and a notification unit provides notification with a sound indicating that the predetermined processing is to be executed after the movement of the operation unit to a position corresponding to the other end portion.