| 摘要 |
An information processing system includes: a first information processing device including a first keyboard with a first key top; and a second information processing device including a second keyboard with a second key top, wherein a first character is denoted on the first key top, and a cold color is more similar to a color of the first character than to a background color, wherein a second character is denoted on the second key top, a warm color is more similar to a color of the second character than to a background color, and the second character is the same to the first character, and wherein an area of the first character is smaller than an area of the second character.
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