Consolidated Statement Of Comprehensive Income
| Concept | 2023-04-01 to 2023-09-30 | 2022-04-01 to 2022-09-30 | 
|---|---|---|
| Consolidated statement of comprehensive income | ||
| Statement of comprehensive income | ||
| Profit (loss) | 
                                                74,290,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                193,014,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||
| Valuation difference on available-for-sale securities | 
                                                172,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,742,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | 
                                                11,956,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,046,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans, net of tax | 
                                                27,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                184,701,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income | 
                                                258,992,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                233,021,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||
| Comprehensive income attributable to owners of parent | 
                                                253,225,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                224,452,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to non-controlling interests | 
                                                5,767,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,568,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |