Notes - Segment Information, Etc.
| Concept | 2023-06-01 to 2023-08-31 | 2023-06-01 to 2023-08-31 | 2023-06-01 to 2023-08-31 | 2023-06-01 to 2023-08-31 | 2023-06-01 to 2023-08-31 | 2023-06-01 to 2023-08-31 | 2023-06-01 to 2023-08-31 | 2022-06-01 to 2022-08-31 | 2022-06-01 to 2022-08-31 | 2022-06-01 to 2022-08-31 | 2022-06-01 to 2022-08-31 | 2022-06-01 to 2022-08-31 | 2022-06-01 to 2022-08-31 | 2022-06-01 to 2022-08-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||||||
| Segment information | ||||||||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||||||||
| Sales | ||||||||||||||
| Revenues from external customers | 
                                                829,250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                214,829,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,516,540,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                472,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,516,540,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,516,540,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                508,001,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                777,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                240,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,526,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,526,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,526,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |