Semi-Annual Consolidated Statement Of Cash Flows
| Concept | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | As at 2023-02-28 | 
|---|---|---|---|---|---|
| Semi-annual consolidated statement of cash flows | |||||
| Statement of cash flows | |||||
| Cash flows from operating activities | |||||
| Profit (loss) before income taxes | — | 
                                                -6,591,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                49,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Depreciation | — | 
                                                20,896,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,458,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest and dividend income | — | 
                                                -2,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest expenses | — | 
                                                316,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Decrease (increase) in trade receivables | — | 
                                                17,725,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,312,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Decrease (increase) in inventories | — | 
                                                4,906,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                90,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Increase (decrease) in trade payables | — | 
                                                2,933,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -26,991,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Subtotal | — | 
                                                36,613,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,883,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest and dividends received | — | 
                                                2,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest paid | — | 
                                                -316,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes paid | — | 
                                                -6,185,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,217,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) operating activities | — | 
                                                30,115,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,555,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from investing activities | |||||
| Purchase of property, plant and equipment | — | 
                                                -9,784,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Purchase of investment securities | — | 
                                                -12,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from sale of investment securities | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | — | 
                                                126,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                97,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -28,556,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -18,687,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from financing activities | |||||
| Proceeds from long-term borrowings | — | 
                                                200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Repayments of long-term borrowings | — | 
                                                -33,418,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -54,734,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) financing activities | — | 
                                                165,939,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -55,082,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                167,497,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -55,215,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash and cash equivalents | 
                                                368,045,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                200,548,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                255,763,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |