Consolidated Statement Of Comprehensive Income
| Concept | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of comprehensive income | ||||||||||
| Statement of comprehensive income | ||||||||||
| Profit (loss) | 
                                                965,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                965,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                965,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,076,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                965,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                777,104,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                938,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                777,104,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                777,104,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                777,104,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||
| Valuation difference on available-for-sale securities | — | — | — | 
                                                125,285,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -105,771,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | 
                                                1,314,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,184,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other comprehensive income | — | — | — | 
                                                126,599,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -104,587,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income | — | — | — | 
                                                1,202,906,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                833,765,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | 
                                                1,203,041,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                834,244,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to non-controlling interests | — | — | — | 
                                                -135,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -478,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — |