Notes - Inventories
| Concept | As at 2023-12-31 | As at 2023-03-31 | 
|---|---|---|
| Notes - Inventories | ||
| Components of inventories | ||
| Inventories | 
                                                241,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                79,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |