| 摘要 |
PROBLEM TO BE SOLVED: To provide a staircase structure in which a space under the staircase can be effectively utilized as a space that children can enjoy.SOLUTION: In a staircase structure 1 of a staircase 2 from a downstairs living room L to upstairs, the staircase 2 is provided adjacently to a passageway 41 communicating to the living room L, and a space S under the staircase is provided at a lower side of the staircase 2. On a wall body 13 in the space S under the staircase closer to the passageway 41, a plurality of through holes 14 with different heights from a floor surface 10 are formed and on a wall body 15 of the space S under the staircase opposite to the side of the passageway 41, an opening 16 is formed for entering and leaving the space S under the staircase. |
