| （単位：百万円） | 2011/10 | 2012/10 | 2013/10 | 2014/10 | 2015/10 | 2016/10 | 2017/10 | 2018/10 | 2019/10 | 2020/10 | 2021/10 | 2022/10 | 2023/10 | 2024/10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 33,403 | 33,115 | 34,782 | 33,896 | 33,195 | 31,746 | 31,257 | 32,258 | 31,186 | 30,127 | 26,407 | 20,906 | 18,954 | 18,414 |
| 売上原価 | - | - | - | 23,094 | 21,927 | 20,935 | 20,616 | 22,925 | 21,400 | 21,079 | 18,408 | 14,387 | 12,949 | 12,093 |
| 売上総利益 | - | - | - | 10,802 | 11,267 | 10,811 | 10,641 | 9,332 | 9,785 | 9,048 | 7,999 | 6,518 | 6,005 | 6,321 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 10,634 | 10,451 | 10,067 | 10,333 | 10,464 | 9,611 | 8,612 | 7,643 | 6,673 | 6,807 | 6,823 |
| 営業利益 | - | - | - | 168 | 816 | 744 | 307 | -1,133 | 174 | 436 | 356 | -155 | -803 | -502 |
| 経常（税引前）利益 | 1,012 | 593 | 303 | 106 | 751 | 700 | 257 | -1,200 | 154 | 476 | 276 | -188 | -889 | -578 |
| 法人税等合計 | - | - | - | -170 | 365 | 264 | 165 | 448 | 36 | 53 | 31 | 31 | 27 | 39 |
| 純利益 | 457 | 108 | 115 | -523 | 390 | 378 | -2,456 | -1,385 | 136 | 373 | -1,939 | -272 | -1,377 | -718 |
| 一株あたり利益 | 38.12 | 9.05 | 9.62 | -43.54 | 32.37 | 31.3 | -203.24 | -114.56 | 11.25 | 30.73 | -160.52 | -22.58 | -110.98 | -45.97 |
| 希薄化後一株あたり利益 | 37.98 | 9.02 | 9.57 | - | 32.27 | 31.23 | - | - | 11.23 | 30.66 | - | - | - | - |
| 配当性向（%） | - | - | - | - | - | - | - | - | - | - | - | - | ||
| 一株あたり配当金 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | - | 0 | 0 | 0 | 6 | 6 | 0 |