Consolidated Statement Of Comprehensive Income
| Concept | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2021-10-01 to 2022-09-30 | 2021-10-01 to 2022-09-30 | 2021-10-01 to 2022-09-30 | 2021-10-01 to 2022-09-30 | 2021-10-01 to 2022-09-30 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of comprehensive income | ||||||||||
| Statement of comprehensive income | ||||||||||
| Profit (loss) | 
                                                459,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                459,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                459,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                897,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                459,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                413,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                259,787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                259,787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                259,787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                259,787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | — | — | 
                                                16,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Other comprehensive income | — | — | — | 
                                                16,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income | — | — | — | 
                                                914,993,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                411,764,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | 
                                                891,601,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                406,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income attributable to non-controlling interests | — | — | — | 
                                                23,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,054,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — |