| （単位：十億円） | 2Q16 | 3Q16 | 4Q16 | 1Q17 | 2Q17 | 3Q17 | 4Q17 | 1Q18 | 2Q18 | 3Q18 | 4Q18 | 1Q19 | 2Q19 | 3Q19 | 4Q19 | 1Q20 | 2Q20 | 2Q20 | 3Q20 | 4Q20 | 1Q21 | 2Q21 | 2Q21 | 3Q21 | 4Q21 | 1Q22 | 2Q22 | 2Q22 | 3Q22 | 4Q22 | 1Q23 | 2Q23 | 2Q23 | 3Q23 | 4Q23 | 1Q24 | 2Q24 | 2Q24 | 3Q24 | 4Q24 | 1Q25 | 2Q25 | 2Q25 | 3Q25 | 4Q25 | 2Q26 | 3Q26 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | - | 52 | 65 | 49 | 51 | 50 | 47 | 51 | 55 | 53 | 49 | 51 | 55 | 52 | 46 | 51 | - | 49 | 48 | 45 | 44 | - | 48 | 46 | 42 | 47 | - | 49 | 46 | 42 | 21 | - | 22 | 20 | 18 | 20 | - | 21 | 20 | 19 | 21 | - | 24 | 22 | 21 | - | 21 |
| 売上成長率（％） | - | - | - | - | - | - | - | - | - | - | - | 13.1 | 11.6 | 12.5 | - | -3.5 | |||||||||||||||||||||||||||||||
| 営業費用 | - | 18 | 21 | 19 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 17 | 19 | - | 17 | 17 | 16 | 17 | - | 16 | 16 | 16 | 17 | - | 16 | 16 | 14 | 11 | - | 11 | 10 | 10 | 11 | - | 11 | 10 | 10 | 11 | - | 11 | 11 | 11 | - | 11 |
| 営業利益 | - | 0 | -1 | -1 | 1 | 0 | -1 | -1 | 1 | -1 | -2 | -1 | 1 | -1 | -2 | -2 | - | -1 | -1 | -1 | -3 | - | -1 | -1 | -2 | -2 | - | 0 | -1 | -1 | -1 | - | 0 | -1 | -1 | -1 | - | 0 | -1 | -1 | -2 | - | 0 | -2 | -2 | - | -3 |
| 営業利益率 (%) | - | - | - | - | - | - | - | 2.2 | -5.5 | -7.0 | - | -12.0 | |||||||||||||||||||||||||||||||||||
| 経常（税引前）利益 | - | 0 | -1 | 0 | 2 | 0 | -1 | -1 | 2 | -1 | -1 | -1 | 2 | -1 | -2 | -2 | - | 0 | -1 | -1 | -2 | - | 0 | -1 | -2 | -2 | - | 0 | -1 | -1 | -1 | - | 1 | -1 | -1 | -1 | - | 1 | -1 | -1 | -2 | - | 0 | -2 | -2 | - | -2 |
| 経常（税引前）利益率（％） | - | 1.3 | -0.4 | 0.0 | 3.9 | 1.1 | -0.6 | -0.1 | 3.7 | 0.0 | -1.5 | -0.5 | 4.1 | -0.3 | -2.4 | -3.9 | - | 0.0 | -0.1 | -0.2 | -5.6 | - | 0.2 | -1.7 | -4.4 | -3.7 | - | 0.6 | -1.6 | -1.3 | -2.7 | - | 4.6 | -0.1 | -3.3 | -2.0 | - | 5.5 | -0.9 | -3.1 | -6.0 | - | 2.7 | -5.0 | -5.6 | - | -11.4 |
| 法人税等合計 | - | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -1 | 0 | 0 | -1 | -2 | - | -1 | 0 | 4 | 0 | - | 0 | -1 | -1 | -1 | - | 0 | 0 | -4 | 9 | - | 0 | 0 | 0 | -1 | - | 0 | 0 | 0 | 0 | - | 0 | 0 | 0 | - | 0 |
| 実効税率（％） | - | - | - | - | - | - | - | 6.9 | -4.6 | -3.6 | - | -0.9 | |||||||||||||||||||||||||||||||||||
| 純利益 | - | 0 | -1 | -1 | 0 | 0 | -1 | -1 | 0 | -1 | -2 | -1 | 1 | 0 | -2 | -2 | - | -1 | -1 | -2 | -2 | - | -1 | -1 | -4 | -2 | - | -2 | -1 | -1 | 14 | - | 0 | -1 | -2 | -1 | - | 0 | -1 | -1 | -2 | - | 0 | -2 | -5 | - | -3 |
| 純利益率（％） | - | - | - | - | - | - | - | 1.9 | -5.3 | -23.5 | - | -12.3 | |||||||||||||||||||||||||||||||||||
| 一株あたり利益 | 38.87 | 4.19 | -18.73 | -10.34 | 34.34 | 4.65 | -21.22 | -4.39 | 30.6 | -6.41 | -52.75 | -14.69 | 39.24 | 24.74 | -80.9 | -82.82 | - | -22.63 | -5.33 | -85.82 | -74.47 | - | -17.07 | -10.06 | -121.05 | -63.76 | - | -38.01 | -30.91 | -0.59 | 491.34 | - | 27.77 | -15.77 | -60.91 | -10.77 | - | 31.59 | -10.01 | -26.95 | -39.14 | - | 15.54 | -40.32 | -169.61 | - | -90.39 |
| 希薄化後一株あたり利益 | - | 4.18 | -18.71 | - | - | 4.64 | -21.2 | - | - | -6.41 | - | - | - | 24.73 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 491.29 | - | 27.77 | -15.76 | -60.91 | - | - | - | -10 | - | - | - | - | - | - | - | - |
| 配当性向（%） | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| 一株あたり配当金 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 11.25 | - | - | 11.25 | - | 10 | - | - | 10 | - | 10 | - | - | 10 | - | 10 | - | - | 10 | - | 10 | - | - | 10 | - | 10 | - | - | 10 | 10 | - |