Notes - Segment Information, Etc.
| Concept | 2024-02-01 to 2024-04-30 | 2024-02-01 to 2024-04-30 | 2024-02-01 to 2024-04-30 | 2024-02-01 to 2024-04-30 | 2024-02-01 to 2024-04-30 | 2024-02-01 to 2024-04-30 | 2024-02-01 to 2024-04-30 | 2023-02-01 to 2023-04-30 | 2023-02-01 to 2023-04-30 | 2023-02-01 to 2023-04-30 | 2023-02-01 to 2023-04-30 | 2023-02-01 to 2023-04-30 | 2023-02-01 to 2023-04-30 | 2023-02-01 to 2023-04-30 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                1,008,879,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,008,879,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,967,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                828,179,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                174,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,002,911,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                858,990,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                866,192,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                866,192,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,202,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                73,412,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                785,577,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -8,636,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,636,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,792,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,843,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,843,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                506,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,687,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                506,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |