Quarterly Balance Sheet
| Concept | As at 2024-09-30 | As at 2024-03-31 | 
|---|---|---|
| Quarterly balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                545,688,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                953,452,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                1,584,883,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,355,562,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                319,687,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                310,872,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                474,305,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                485,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                153,235,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                237,578,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                3,239,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,096,328,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                160,422,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                124,722,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Tools, furniture and fixtures | — | — | 
| Tools, furniture and fixtures, net | 
                                                118,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                75,314,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Leased assets | — | — | 
| Leased assets, net | 
                                                41,201,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                2,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,680,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Software | 
                                                852,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,165,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,651,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,515,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                115,661,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                120,712,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                81,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                87,562,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                34,062,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                278,585,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                248,114,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                3,517,585,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,344,442,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Income taxes payable | 
                                                12,639,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,692,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                173,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                175,538,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                866,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,246,618,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Long-term borrowings | 
                                                45,442,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                315,918,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                45,317,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,951,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                133,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                413,320,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                1,000,090,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,659,938,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                2,959,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,788,271,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                1,393,429,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,222,612,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                -2,116,392,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,659,527,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -35,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -35,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                2,200,948,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,316,180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation and translation adjustments | 
                                                275,198,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                326,733,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share acquisition rights | 
                                                41,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                2,517,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,684,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                3,517,585,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,344,442,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |