| Consolidated Cash Flow (Billion yen) |
2022/4Q | 2023/1Q | 2023/2Q | 2023/3Q | 2023/4Q | 2024/1Q | 2024/2Q | 2024/3Q | 2024/4Q | 2025/1Q | 2025/2Q | 2025/3Q |
| Net cash provided by (used in) operating activities | 9.6 | 16.3 | -5.8 | -9.0 | 1.3 | 20.9 | -9.0 | -8.5 | 16.8 | 19.7 | 6.9 | -11.8 |
| Net cash provided by (used in) investing activities | -3.3 | -1.7 | -0.7 | -1.5 | -1.1 | -2.5 | -0.3 | -1.3 | -0.7 | -0.9 | -1.1 | -2.0 |
| Net cash provided by (used in) financing activities | 1.0 | -3.2 | -1.9 | -4.3 | 0.2 | -4.1 | -1.2 | -4.9 | -0.3 | -4.8 | 0.4 | -4.4 |
| Cash and cash equivalents at the end of period | 79.7 | 91.2 | 82.9 | 68.1 | 68.5 | 83.0 | 72.5 | 57.8 | 73.5 | 87.6 | 93.7 | 75.5 |
| Free cash flows | 6.3 | 14.6 | -6.5 | -10.5 | 0.2 | 18.5 | -9.4 | -9.8 | 16.1 | 18.8 | 5.8 | -13.8 |
| Depreciation and amortization | 0.9 | 0.9 | 1.0 | 1.0 | 1.2 | 1.0 | 1.0 | 0.9 | 0.8 | 1.0 | 1.0 | 0.9 |