| 摘要 |
A first membrane that reflects all visible light is formed on a back surface among outer surfaces of a transparent member, a second membrane that reflects part of visible light and transmits part of visible light is formed on at least a position facing the first membrane on a front surface facing the back surface, a subject to be reflected is provided in an area at least either on an inner portion or the outer surface of the transparent member, a multiple reflection image formed by the subject to be reflected being projected on the first membrane and the second membrane is reflected a plurality of times between the first membrane and the second membrane, and becomes visible from the front surface.
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