| （単位：百万円） | 2012/3 | 2013/3 | 2014/3 | 2015/3 | 2016/3 | 2017/3 | 2017/12 | 2018/12 | 2019/12 | 2020/12 | 2021/12 | 2022/12 | 2023/12 | 2024/12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 3,136 | 3,536 | 4,219 | 4,744 | 5,204 | 5,431 | 7,848 | 11,901 | 11,439 | 10,000 | 14,134 | 19,595 | 21,045 | 20,296 |
| 売上原価 | - | - | - | 3,481 | 3,684 | 4,045 | 2,239 | 6,056 | 6,152 | 5,801 | 7,945 | 9,925 | 9,997 | 9,483 |
| 売上総利益 | - | - | - | 1,263 | 1,520 | 1,385 | 692 | 300 | 5,287 | 4,199 | 6,188 | 9,670 | 11,048 | 10,813 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 511 | 562 | 868 | 1,064 | 943 | 4,363 | 4,008 | 4,685 | 6,462 | 7,498 | 7,982 |
| 営業利益 | - | - | - | 751 | 957 | 517 | -372 | -643 | 933 | 406 | 1,481 | 3,197 | 3,546 | 2,799 |
| 経常（税引前）利益 | 118 | 183 | 615 | 906 | 1,177 | 516 | 204 | 672 | 494 | -61 | 1,347 | 2,865 | 2,892 | 2,274 |
| 法人税等合計 | - | - | - | 331 | 338 | 190 | 116 | 50 | 129 | -95 | 361 | 813 | 517 | 634 |
| 純利益 | 111 | 103 | 355 | 587 | 843 | 306 | 71 | 377 | 365 | 35 | 986 | 2,051 | 2,375 | 1,640 |
| 一株あたり利益 | 15.8 | 20.71 | 71.41 | 103.95 | 145.18 | 46.61 | 8.94 | 46.57 | 43.7 | 4.07 | 114 | 218.34 | 129.58 | 88.95 |
| 希薄化後一株あたり利益 | - | - | 70.25 | 101.37 | 144.58 | 45.71 | 2.27 | 41.1 | 40.54 | 4.04 | 109.78 | 211.24 | 120.12 | 80.04 |
| 配当性向（%） | - | - | - | - | - | - | - | - | ||||||
| 一株あたり配当金 | 7 | 7 | 12 | 17 | 18 | 18 | 18 | 24 | 26 | 20 | 28 | 62 | 39 | 39 |