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 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 
|---|---|---|---|---|---|---|
| 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 | 
                                                804,366,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,770,191,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,809,588,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,770,191,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,156,235,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||
| Depreciation | 
                                                5,464,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,803,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,931,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,572,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                6,837,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                67,946,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,833,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                96,578,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,275,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |