| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 1,592 | -6.0% |
| 3Q25 | 2,018 | +17.9% |
| 2Q25 | 1,794 | -0.1% |
| 1Q25 | 1,693 | -3.0% |
| 4Q24 | 1,673 | -0.8% |
| 3Q24 | 1,712 | -5.1% |
| 2Q24 | 1,795 | -2.2% |
| 1Q24 | 1,746 | +9.2% |
| 4Q23 | 1,687 | -3.6% |
| 3Q23 | 1,803 | +16.2% |
| 2Q23 | 1,835 | +17.9% |
| 1Q23 | 1,599 | +13.4% |
| 4Q22 | 1,749 | +20.2% |
| 3Q22 | 1,552 | +9.1% |
| 2Q22 | 1,556 | +13.2% |
| 1Q22 | 1,410 | +22.4% |
| 4Q21 | 1,455 | +12.2% |
| 3Q21 | 1,422 | +6.5% |
| 2Q21 | 1,374 | +6.5% |
| 1Q21 | 1,152 | -14.1% |
| 4Q20 | 1,296 | -4.6% |
| 3Q20 | 1,335 | -0.4% |
| 2Q20 | 1,291 | -4.5% |
| 1Q20 | 1,342 | +1.7% |
| 4Q19 | 1,358 | +5.0% |
| 3Q19 | 1,341 | -2.2% |
| 2Q19 | 1,351 | +5.5% |
| 1Q19 | 1,319 | +12.2% |
| 4Q18 | 1,293 | +9.2% |
| 3Q18 | 1,371 | +4.9% |
| 2Q18 | 1,280 | +8.6% |
| 1Q18 | 1,176 | +6.7% |
| 4Q17 | 1,184 | +8.1% |
| 3Q17 | 1,307 | +8.6% |
| 2Q17 | 1,179 | +9.4% |
| 1Q17 | 1,102 | +1.1% |
| 4Q16 | 1,095 | - |
| 3Q16 | 1,203 | - |
| 2Q16 | 1,078 | - |
| 1Q16 | 1,090 | - |