Quarter Period Statement Of Income
| Concept | 2024-01-01 to 2024-03-31 | 2024-01-01 to 2024-03-31 | 2024-01-01 to 2024-03-31 | 2024-01-01 to 2024-03-31 | 2024-01-01 to 2024-03-31 | 2024-01-01 to 2024-03-31 | 2023-01-01 to 2023-03-31 | 2023-01-01 to 2023-03-31 | 2023-01-01 to 2023-03-31 | 2023-01-01 to 2023-03-31 | 2023-01-01 to 2023-03-31 | 2023-01-01 to 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Quarter period statement of income | ||||||||||||
| Statement of income | ||||||||||||
| Net sales | 
                                                967,925,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -19,499,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                278,962,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,747,644,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,767,144,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,520,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                980,148,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                269,111,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,452,756,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,687,795,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,702,015,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -14,220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | — | — | — | 
                                                1,828,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,780,581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Gross profit (loss) | — | — | — | 
                                                919,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                907,213,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Selling, general and administrative expenses | — | — | — | 
                                                452,326,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                420,173,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Selling, general and administrative expenses | ||||||||||||
| Operating profit (loss) | 
                                                315,321,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -186,383,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,779,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                467,198,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                653,581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                290,479,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                355,314,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                35,697,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                275,101,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                487,039,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                666,112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -179,072,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||||||||||||
| Interest income | — | — | — | 
                                                18,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                14,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating income | — | — | — | 
                                                1,319,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                3,418,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | ||||||||||||
| Interest expenses | — | — | — | 
                                                928,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | — | — | — | 
                                                5,260,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                3,691,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Ordinary profit (loss) | — | — | — | 
                                                463,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                486,766,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary income | ||||||||||||
| Gain on sale of non-current assets | — | — | — | 
                                                89,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary income | — | — | — | 
                                                89,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary losses | ||||||||||||
| Extraordinary losses | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) before income taxes | — | — | — | 
                                                463,347,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                486,766,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes - current | — | — | — | 
                                                249,872,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                231,943,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes - deferred | — | — | — | 
                                                -100,706,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -75,395,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes | — | — | — | 
                                                149,166,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                156,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) | — | — | — | 
                                                314,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                330,218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — |