| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 895 | +10.8% |
| 1Q26 | 929 | +5.3% |
| 4Q25 | 1,234 | +20.8% |
| 3Q25 | 818 | -33.3% |
| 2Q25 | 808 | - |
| 1Q25 | 882 | -5.2% |
| 4Q24 | 1,022 | -6.5% |
| 3Q24 | 1,226 | +11.4% |
| 1Q24 | 930 | -20.3% |
| 4Q23 | 1,092 | -21.1% |
| 3Q23 | 1,100 | -3.9% |
| 2Q23 | 1,259 | +8.7% |
| 1Q23 | 1,166 | +1.4% |
| 4Q22 | 1,385 | +6.0% |
| 3Q22 | 1,145 | -5.5% |
| 2Q22 | 1,158 | -3.0% |
| 1Q22 | 1,151 | -4.3% |
| 4Q21 | 1,307 | +6.4% |
| 3Q21 | 1,211 | -1.6% |
| 2Q21 | 1,194 | -5.7% |
| 1Q21 | 1,202 | -3.6% |
| 4Q20 | 1,228 | -4.0% |
| 3Q20 | 1,231 | -3.8% |
| 2Q20 | 1,265 | -4.1% |
| 1Q20 | 1,247 | +2.8% |
| 4Q19 | 1,279 | -1.6% |
| 3Q19 | 1,279 | -0.2% |
| 2Q19 | 1,319 | -0.2% |
| 1Q19 | 1,212 | -10.3% |
| 4Q18 | 1,300 | -20.7% |
| 3Q18 | 1,281 | -22.0% |
| 2Q18 | 1,322 | -22.3% |
| 1Q18 | 1,351 | -24.7% |
| 4Q17 | 1,640 | -8.6% |
| 3Q17 | 1,641 | -14.5% |
| 2Q17 | 1,702 | - |
| 1Q17 | 1,793 | - |
| 4Q16 | 1,795 | - |
| 3Q16 | 1,919 | - |