| 摘要 |
<p>An obtainer (1) obtains information indicating a distance between a display (130) and a user picked up by a camera (120). A display controller (2) displays, in the display screen of the display (130), an operation screen having the size set in accordance with the information obtained by the obtainer (1). A determiner (3) determines an operation instruction from the user based on at least one of the motion of the user and the shape picked up by the camera (120). An executor (4) executes a process in accordance with the operation instruction determined by the determiner (3).</p> |
