Quarter Period Consolidated Statement Of Income
| Concept | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 
|---|---|---|---|---|---|---|---|---|
| Quarter period consolidated statement of income | ||||||||
| Statement of income | ||||||||
| Net sales | — | — | — | 
                                                8,393,669,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,453,309,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Gross profit (loss) | — | — | — | 
                                                3,087,965,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,777,890,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Selling, general and administrative expenses | ||||||||
| Advertising expenses | — | — | — | 
                                                978,626,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                885,954,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Depreciation | — | — | — | 
                                                90,946,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                68,441,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Selling, general and administrative expenses | — | — | — | 
                                                2,640,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,279,966,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating profit (loss) | — | — | — | 
                                                447,264,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                497,924,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating income | ||||||||
| Non-operating income | — | — | — | 
                                                22,980,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                16,093,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | ||||||||
| Interest expenses | — | — | — | 
                                                2,754,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | — | — | — | 
                                                2,754,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Ordinary profit (loss) | — | — | — | 
                                                467,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                514,005,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) before income taxes | — | — | — | 
                                                467,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                514,005,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes - current | — | — | — | 
                                                145,364,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                161,595,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes - deferred | — | — | — | 
                                                -2,881,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes | — | — | — | 
                                                142,482,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                159,748,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) | 
                                                325,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                325,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                325,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                325,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                354,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                354,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                354,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                354,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |