| 摘要 |
PROBLEM TO BE SOLVED: To improve visibility of stairs formed of a stair component.SOLUTION: A stair component 10 includes a component body 11 that comprises a tread part 20 and a riser part 30 elongated downward from the tread part 20. The component body 11 is molded from a synthetic resin material. Recesses 25, 31 and 32 are provided on the surface of the component body 11, and display members 41-43 having surfaces higher in reflectance than the surface of the component body 11 are provided in the inner areas of the recesses 25, 31 and 32. |
