Notes - Segment Information, Etc.
| Concept | 2024-03-01 to 2024-05-31 | 2024-03-01 to 2024-05-31 | 2024-03-01 to 2024-05-31 | 2024-03-01 to 2024-05-31 | 2024-03-01 to 2024-05-31 | 2024-03-01 to 2024-05-31 | 2024-03-01 to 2024-05-31 | 2023-03-01 to 2023-05-31 | 2023-03-01 to 2023-05-31 | 2023-03-01 to 2023-05-31 | 2023-03-01 to 2023-05-31 | 2023-03-01 to 2023-05-31 | 2023-03-01 to 2023-05-31 | 2023-03-01 to 2023-05-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,658,566,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                59,300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,717,866,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,717,866,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                102,064,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,556,501,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,573,637,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,919,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,512,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,412,986,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,573,637,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                99,731,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                -26,944,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,997,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,946,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,944,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,264,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                733,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                305,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,963,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                283,849,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                861,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                282,988,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -305,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |