An image display device 100 includes: a display unit 10 having an image screen 11 for displaying a two-dimensional image; an image transfer panel 20 located on a path of light left from the image screen 11; a floating image display unit 1 that displays, as a floating image, the light left from the image screen 11 in a space located on one side of the image transfer panel 20 opposite to the other side thereof facing the display unit 10; a direct-view image display unit 2 provided with a display unit 40 having an image screen 41 for displaying a two-dimensional image displayed on the image screen 41 as a direct view image. The image display device carries out: floating-image control that displays the floating image P2 such that the given object displayed as the floating image P2 is shifted in a specified first direction from the displayed position of the floating image P2 to the image screen 41; and direct-view image control that executes a process associated with the given object during or after the shift of the given object, and displays, on the image screen 41, a two-dimensional image on which the executed process is reflected.