An input detection device (1) of the present invention includes: a display (2); a touch panel (3); an input section (4) for detecting a touch made by a user with respect to the touch panel (3); a display section (5) for, while the input section (4) is detecting the touch, (i) causing the display (2) to simultaneously display a plurality of predetermined items (ii) causing the display to simultaneously display one of the plurality of predetermined items in a different display state from those of the other one(s) of the plurality of predetermined items, and (iii) sequentially switching over the one of the plurality of predetermined items, which is displayed in the display state, to another one of the plurality of predetermined items at predetermined intervals so that the another one of the plurality of predetermined items is displayed in the display state; and an item switching section (11) for selecting the one of the plurality of predetermined items, which is displayed in the display state, when the input detection means finishes the detecting of the touch. Therefore, it is possible to provide an input detection device (1) which allows the user to carry out a simple and easy entering operation.