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 | 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 | 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) | 
                                                -36,364,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                111,115,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -36,364,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -36,364,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -36,364,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,024,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,024,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                75,878,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,024,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,024,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||||||
| Valuation difference on available-for-sale securities | — | — | 
                                                -2,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -192,573,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Foreign currency translation adjustment | — | — | 
                                                30,930,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                11,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Other comprehensive income | — | — | 
                                                28,199,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -181,223,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income | — | — | 
                                                139,315,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -105,345,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income attributable to | ||||||||||||||
| Comprehensive income attributable to owners of parent | — | — | 
                                                139,315,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -105,345,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — |