| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 905 | -7.0% |
| 4Q25 | 884 | -17.6% |
| 3Q25 | 883 | +7.4% |
| 2Q25 | 982 | +2.7% |
| 1Q25 | 973 | +2.3% |
| 4Q24 | 1,072 | +2.5% |
| 3Q24 | 822 | -36.1% |
| 2Q24 | 956 | - |
| 1Q24 | 952 | -15.8% |
| 4Q23 | 1,046 | -7.8% |
| 3Q23 | 1,286 | +17.3% |
| 1Q23 | 1,130 | +2.8% |
| 4Q22 | 1,135 | +0.8% |
| 3Q22 | 1,097 | +59.4% |
| 2Q22 | 1,242 | +45.6% |
| 1Q22 | 1,099 | +9.6% |
| 4Q21 | 1,126 | +9.4% |
| 3Q21 | 688 | -51.2% |
| 2Q20 | 853 | -35.7% |
| 1Q21 | 1,003 | -20.8% |
| 4Q20 | 1,029 | -23.0% |
| 3Q20 | 1,412 | +19.6% |
| 1Q20 | 1,266 | +4.0% |
| 4Q19 | 1,336 | +6.4% |
| 3Q19 | 1,180 | +6.7% |
| 2Q19 | 1,327 | +1.0% |
| 1Q19 | 1,217 | +1.9% |
| 4Q18 | 1,256 | -9.0% |
| 3Q18 | 1,106 | -6.7% |
| 2Q18 | 1,314 | -0.6% |
| 1Q18 | 1,194 | -7.1% |
| 4Q17 | 1,381 | +1.3% |
| 3Q17 | 1,185 | -8.7% |
| 2Q17 | 1,321 | -15.4% |
| 1Q17 | 1,285 | -9.0% |
| 4Q16 | 1,363 | - |
| 3Q16 | 1,298 | - |
| 2Q16 | 1,561 | - |
| 1Q16 | 1,413 | - |