Quarter Period Consolidated Statement Of Comprehensive Income
| Concept | 2023-12-21 to 2024-12-20 | 2023-12-21 to 2024-12-20 | 2023-12-21 to 2024-12-20 | 2023-12-21 to 2024-12-20 | 2023-12-21 to 2024-12-20 | 2022-12-21 to 2023-12-20 | 2022-12-21 to 2023-12-20 | 2022-12-21 to 2023-12-20 | 2022-12-21 to 2023-12-20 | 2022-12-21 to 2023-12-20 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Quarter period consolidated statement of comprehensive income | ||||||||||
| Statement of comprehensive income | ||||||||||
| Profit (loss) | 
                                                -81,322,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -116,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -116,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -116,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -116,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -131,783,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -131,783,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -126,615,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -131,783,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -131,783,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | 
                                                70,643,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                6,793,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Foreign currency translation adjustment | 
                                                6,665,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                9,770,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other comprehensive income | 
                                                77,309,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                16,563,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income | 
                                                -4,012,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -110,051,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | 
                                                -5,236,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -111,964,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income attributable to non-controlling interests | 
                                                1,223,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                1,913,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — |