| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 822 | -10.7% |
| 3Q25 | 805 | +24.4% |
| 2Q25 | 1,019 | +18.7% |
| 1Q25 | 833 | +7.6% |
| 4Q24 | 921 | +17.8% |
| 3Q24 | 647 | -15.5% |
| 2Q24 | 858 | 0.0% |
| 1Q24 | 774 | -3.3% |
| 4Q23 | 782 | +1.7% |
| 3Q23 | 766 | +12.9% |
| 2Q23 | 858 | +5.2% |
| 1Q23 | 801 | -13.2% |
| 4Q22 | 769 | +3.8% |
| 3Q22 | 678 | +13.9% |
| 2Q22 | 816 | +2.2% |
| 1Q22 | 923 | +48.4% |
| 4Q21 | 741 | +27.6% |
| 3Q21 | 595 | -8.0% |
| 2Q21 | 798 | +21.9% |
| 1Q21 | 621 | +0.5% |
| 4Q20 | 580 | -23.6% |
| 3Q20 | 647 | -16.6% |
| 2Q20 | 655 | -24.8% |
| 1Q20 | 618 | -30.7% |
| 4Q19 | 760 | +12.8% |
| 3Q19 | 776 | -6.0% |
| 2Q19 | 871 | -5.9% |
| 1Q19 | 892 | -6.3% |
| 4Q18 | 673 | -17.0% |
| 3Q18 | 825 | -4.7% |
| 2Q18 | 925 | +14.4% |
| 1Q18 | 952 | +27.8% |
| 4Q17 | 811 | -1.2% |
| 3Q17 | 866 | +7.5% |
| 2Q17 | 808 | -15.4% |
| 1Q17 | 744 | -9.8% |
| 4Q16 | 821 | - |
| 3Q16 | 805 | - |
| 2Q16 | 955 | - |
| 1Q16 | 825 | - |