Semi-Annual Consolidated Statement Of Cash Flows
| Concept | 
                                    
                                        2024-01-01 to 2024-03-31  | 
                            
                                
                                    
                                        2023-01-01 to 2023-03-31  | 
                            
                        
|---|---|---|
| Semi-annual consolidated statement of cash flows | ||
| Statement of cash flows | ||
| Cash flows from operating activities | ||
| Profit (loss) before income taxes | 
                                        
                                             
                                                402,339,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                314,971,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     |