Year To Quarter End Consolidated Statement Of Comprehensive 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 | 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 | 2023-01-01 to 2023-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Year to quarter end consolidated statement of comprehensive income | ||||||||||
| Statement of comprehensive income | ||||||||||
| Profit (loss) | 
                                                308,282,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                457,775,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                308,282,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                308,282,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                308,282,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                276,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                276,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                442,894,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                276,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                276,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | 
                                                2,915,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                332,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other comprehensive income | — | 
                                                2,915,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                332,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income | — | 
                                                460,691,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                443,226,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | 
                                                460,691,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                443,226,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — |