Year To Quarter End Consolidated Statement Of Income
| Concept | 2023-04-01 to 2023-12-31 | 2022-04-01 to 2022-12-31 | 
|---|---|---|
| Year to quarter end consolidated statement of income | ||
| Statement of income | ||
| Net sales | 
                                                2,292,669,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,579,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | 
                                                1,338,752,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,011,726,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit (loss) | 
                                                953,917,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                568,099,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Selling, general and administrative expenses | ||
| Selling, general and administrative expenses | 
                                                692,552,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                629,052,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating profit (loss) | 
                                                261,364,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -60,953,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||
| Interest income | 
                                                475,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,048,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | 
                                                2,852,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,018,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | ||
| Non-operating expenses | 
                                                1,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                557,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary profit (loss) | 
                                                264,215,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -58,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) before income taxes | 
                                                264,215,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -58,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes - current | 
                                                42,217,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes | 
                                                42,217,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) | 
                                                221,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -60,210,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit attributable to | ||
| Profit (loss) attributable to owners of parent | 
                                                221,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -60,210,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||
| Valuation difference on available-for-sale securities | 
                                                -2,073,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | 
                                                -299,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,615,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                -2,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,615,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income | 
                                                219,625,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -55,594,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||
| Comprehensive income attributable to owners of parent | 
                                                219,625,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -55,594,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to non-controlling interests | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |