Notes - Segment Information, Etc.
| Concept | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 
|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||
| Segment information | ||||||
| Disclosure of sales, profit (loss), asset, liability, and other items for each reportable segment | ||||||
| Sales | ||||||
| Revenues from external customers | 
                                                4,260,042,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                800,916,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,070,969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,010,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,060,958,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,509,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                75,846,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,509,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -77,355,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |