Quarter Period Consolidated Statement Of Income
| Concept | 2024-02-01 to 2024-04-30 | 2024-02-01 to 2024-04-30 | 2024-02-01 to 2024-04-30 | 2024-02-01 to 2024-04-30 | 2024-02-01 to 2024-04-30 | 2024-02-01 to 2024-04-30 | 2024-02-01 to 2024-04-30 | 2023-02-01 to 2023-04-30 | 2023-02-01 to 2023-04-30 | 2023-02-01 to 2023-04-30 | 2023-02-01 to 2023-04-30 | 2023-02-01 to 2023-04-30 | 2023-02-01 to 2023-04-30 | 2023-02-01 to 2023-04-30 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Quarter period consolidated statement of income | ||||||||||||||
| Statement of income | ||||||||||||||
| Net sales | 
                                                1,008,879,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -8,636,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,017,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,760,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                828,179,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                181,576,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,009,755,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                859,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                866,192,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                868,387,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,890,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                73,918,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                785,577,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | 
                                                644,202,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                547,917,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Gross profit (loss) | 
                                                364,676,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                318,275,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Selling, general and administrative expenses | ||||||||||||||
| Selling, general and administrative expenses | 
                                                333,353,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                305,774,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Operating profit (loss) | 
                                                31,323,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -153,856,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                185,179,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                157,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,877,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                181,827,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -102,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                111,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                115,244,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,872,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,452,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                107,919,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||||||||||||||
| Non-operating income | 
                                                503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                542,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Non-operating expenses | ||||||||||||||
| Interest expenses | 
                                                2,309,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                1,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Non-operating expenses | 
                                                5,053,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                2,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Ordinary profit (loss) | 
                                                26,773,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                10,246,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Profit (loss) before income taxes | 
                                                26,773,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                10,246,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes - current | 
                                                2,002,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                5,480,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes - deferred | 
                                                13,722,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                3,983,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes | 
                                                15,725,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                9,463,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Profit (loss) | 
                                                11,048,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                783,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Profit attributable to | ||||||||||||||
| Profit (loss) attributable to owners of parent | 
                                                11,048,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                783,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Other comprehensive income | ||||||||||||||
| Valuation difference on available-for-sale securities | 
                                                193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -1,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Other comprehensive income | 
                                                193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -1,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income | 
                                                11,242,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -1,126,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income attributable to | ||||||||||||||
| Comprehensive income attributable to owners of parent | 
                                                11,242,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -1,126,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — |