| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q26 | 986 | -4.5% |
| 2Q26 | 855 | -7.5% |
| 1Q26 | 815 | +6.8% |
| 4Q25 | 1,118 | +18.5% |
| 3Q25 | 1,032 | +17.9% |
| 2Q25 | 924 | +9.0% |
| 1Q25 | 763 | -8.0% |
| 4Q24 | 944 | -6.5% |
| 3Q24 | 875 | -14.0% |
| 2Q24 | 848 | -14.5% |
| 1Q24 | 830 | -13.6% |
| 4Q23 | 1,009 | -2.8% |
| 3Q23 | 1,017 | -2.5% |
| 2Q23 | 991 | +10.7% |
| 1Q23 | 961 | +22.9% |
| 4Q22 | 1,038 | +14.1% |
| 3Q22 | 1,043 | +22.1% |
| 2Q22 | 896 | +1.2% |
| 1Q22 | 782 | +0.6% |
| 4Q21 | 910 | -13.5% |
| 3Q21 | 854 | -10.3% |
| 2Q21 | 885 | -11.8% |
| 1Q21 | 777 | -14.7% |
| 4Q20 | 1,053 | - |
| 3Q20 | 952 | - |
| 2Q20 | 1,004 | - |
| 1Q20 | 911 | - |