Quarterly Statement Of Cash Flows
| Concept | As at 2025-03-31 | 2024-10-01 to 2025-03-31 | As at 2024-09-30 | 
|---|---|---|---|
| Quarterly statement of cash flows | |||
| Statement of cash flows | |||
| Cash flows from operating activities | |||
| Subtotal | — | 
                                                -153,939,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividends received | — | 
                                                84,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest paid | — | 
                                                -112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | — | 
                                                -180,892,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from investing activities | |||
| Purchase of property, plant and equipment | — | 
                                                -1,472,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Purchase of investment securities | — | 
                                                -64,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -76,297,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from financing activities | |||
| Repayments of long-term borrowings | — | 
                                                -5,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | — | 
                                                -5,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                -262,229,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | 
                                                291,593,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                553,823,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |