Notes - Segment Information, Etc.
| Concept | 2023-06-01 to 2023-11-30 | 2023-06-01 to 2023-11-30 | 2023-06-01 to 2023-11-30 | 2023-06-01 to 2023-11-30 | 2023-06-01 to 2023-11-30 | 2023-06-01 to 2023-11-30 | 2023-06-01 to 2023-11-30 | 2022-06-01 to 2022-11-30 | 2022-06-01 to 2022-11-30 | 2022-06-01 to 2022-11-30 | 2022-06-01 to 2022-11-30 | 2022-06-01 to 2022-11-30 | 2022-06-01 to 2022-11-30 | 2022-06-01 to 2022-11-30 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                1,008,354,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                378,840,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,912,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,912,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,912,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,525,130,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,121,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,121,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,121,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,778,940,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                965,019,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                377,285,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |