Notes - Segment Information, Etc.
| Concept | 2024-09-01 to 2025-02-28 | 2024-09-01 to 2025-02-28 | 2024-09-01 to 2025-02-28 | 2024-09-01 to 2025-02-28 | 2024-09-01 to 2025-02-28 | 2024-09-01 to 2025-02-28 | 2024-09-01 to 2025-02-28 | 2023-09-01 to 2024-02-29 | 2023-09-01 to 2024-02-29 | 2023-09-01 to 2024-02-29 | 2023-09-01 to 2024-02-29 | 2023-09-01 to 2024-02-29 | 2023-09-01 to 2024-02-29 | 2023-09-01 to 2024-02-29 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                875,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                723,534,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,380,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                145,249,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                875,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                875,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,346,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                128,901,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                524,540,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                658,788,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                658,788,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                658,788,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |