Notes - Segment Information, Etc.
| Concept | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|
| 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 | 
                                                41,816,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,179,854,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,221,671,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,027,913,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,071,728,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,814,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||
| Depreciation | 
                                                2,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                225,683,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                227,929,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                219,642,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                221,997,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,355,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                267,164,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                267,164,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                229,103,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                229,103,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |