Semi-Annual Consolidated Statement Of Cash Flows
| Concept | 2024-10-01 to 2025-03-31 | As at 2025-03-31 | As at 2024-09-30 | 2023-10-01 to 2024-03-31 | As at 2024-03-31 | As at 2023-09-30 | 
|---|---|---|---|---|---|---|
| Semi-annual consolidated statement of cash flows | ||||||
| Statement of cash flows | ||||||
| Cash flows from operating activities | ||||||
| Subtotal | 
                                                -403,050,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -349,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes paid | 
                                                -1,494,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,491,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) operating activities | 
                                                -404,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -315,253,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from investing activities | ||||||
| Net cash provided by (used in) investing activities | 
                                                -155,129,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -121,363,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from financing activities | ||||||
| Net cash provided by (used in) financing activities | 
                                                1,047,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                668,409,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net increase (decrease) in cash and cash equivalents | 
                                                -558,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                231,792,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash and cash equivalents | — | 
                                                1,258,345,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,816,943,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,993,032,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,761,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |