| （単位：十億円） | 2012/3 | 2013/3 | 2014/3 | 2015/3 | 2016/3 | 2017/3 | 2018/3 | 2019/3 | 2020/3 | 2021/3 | 2022/3 | 2023/3 | 2024/3 | 2025/3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 10,724 | 11,219 | 12,412 | 10,882 | 8,738 | 8,136 | 10,301 | 11,130 | 10,012 | 7,658 | 10,922 | 15,017 | 13,857 | 12,322 |
| 売上原価 | - | - | - | 10,533 | 8,223 | - | 9,014 | 9,910 | 9,246 | 6,574 | 9,339 | 13,803 | 12,515 | 11,219 |
| 売上総利益 | - | - | - | 350 | 515 | - | 1,287 | 1,220 | 766 | 1,084 | 1,582 | 1,214 | 1,341 | 1,104 |
| 売上総利益率（％） | - | - | - | - | - | - | - | - | - | - | - | - | ||
| 営業費用 | - | - | - | 568 | 577 | - | 784 | 816 | 829 | 803 | 872 | 957 | 952 | 860 |
| 営業利益 | - | - | - | -219 | -62 | 4 | 4 | 537 | -113 | 254 | 786 | 281 | 465 | 106 |
| 経常（税引前）利益 | 408 | 328 | 302 | -150 | -9 | 334 | 467 | 509 | -136 | 231 | 772 | 257 | 448 | 88 |
| 法人税等合計 | - | - | - | 35 | -17 | 7 | 17 | 151 | 37 | 118 | 193 | 54 | 103 | 31 |
| 純利益 | 4 | 23 | 43 | -277 | -279 | 150 | 362 | 322 | -188 | 114 | 537 | 144 | 288 | 226 |
| 一株あたり利益 | 68.6 | 64.13 | 43.05 | -111.49 | -112.01 | 64.38 | 105.92 | 95.36 | -57.86 | 35.48 | 167.27 | 46.57 | 95.64 | 79.96 |
| 希薄化後一株あたり利益 | - | - | - | - | - | - | 12.77 | 95.32 | -57.86 | 35.42 | 166.87 | 46.47 | 95.44 | 79.81 |
| 配当性向（%） | - | - | - | - | - | - | - | - | ||||||
| 一株あたり配当金 | 16 | 16 | 16 | 16 | 16 | 16 | 19 | 21 | 22 | 22 | 22 | 22 | 22 | 26 |