Notes - Segment Information, Etc.
| Concept | 2023-10-01 to 2024-03-31 | 2023-10-01 to 2024-03-31 | 2023-10-01 to 2024-03-31 | 2023-10-01 to 2024-03-31 | 2023-10-01 to 2024-03-31 | 
|---|---|---|---|---|---|
| Notes - Segment information, etc. | |||||
| Segment information | |||||
| Disclosure of sales and profit (loss) for each reportable segment | |||||
| Sales | |||||
| Revenues from external customers | 
                                                804,896,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                149,816,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                804,896,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                655,080,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |