Notes - Segment Information, Etc.
| Concept | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||||
| Segment information | ||||||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||||||
| Sales | ||||||||||||
| Revenues from external customers | 
                                                587,355,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,462,536,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,537,305,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,462,536,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                337,874,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,845,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,783,271,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,625,620,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                436,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,845,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                293,692,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                293,692,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -293,692,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -136,794,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                136,794,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                136,794,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |