Notes - Segment Information, Etc.
| Concept | 2024-02-01 to 2025-01-31 | 2024-02-01 to 2025-01-31 | 2024-02-01 to 2025-01-31 | 2024-02-01 to 2025-01-31 | 2024-02-01 to 2025-01-31 | 2024-02-01 to 2025-01-31 | 2024-02-01 to 2025-01-31 | 2023-02-01 to 2024-01-31 | 2023-02-01 to 2024-01-31 | 2023-02-01 to 2024-01-31 | 2023-02-01 to 2024-01-31 | 2023-02-01 to 2024-01-31 | 2023-02-01 to 2024-01-31 | 2023-02-01 to 2024-01-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                200,421,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,127,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                503,904,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,127,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,423,249,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,927,153,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,951,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                306,255,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,626,399,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,656,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,656,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,320,144,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                30,766,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -43,628,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,628,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,802,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                58,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,861,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,902,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,486,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,062,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,964,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -9,964,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                576,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||||||||||
| Depreciation | 
                                                1,911,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,676,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,139,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,877,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,816,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,228,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,466,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,114,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,114,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |