Balance Sheet
| Concept | As at 2024-09-30 | As at 2024-03-31 | 
|---|---|---|
| Balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                942,178,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                971,526,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                1,471,865,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,530,122,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                57,275,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,351,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Inventories | 
                                                1,602,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,677,763,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                73,319,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                63,289,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -1,875,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,966,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                107,171,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                77,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                5,191,680,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,465,355,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                2,616,635,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,586,896,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Land | 
                                                2,100,782,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,100,782,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other, net | 
                                                94,640,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                102,993,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Property, plant and equipment | ||
| Own-used assets | ||
| Intangible assets | ||
| Intangible assets | 
                                                15,273,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,028,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                293,464,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                303,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -7,900,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,900,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Non-current assets | 
                                                2,925,374,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,901,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other assets | — | — | 
| Other assets | ||
| Assets | 
                                                8,117,055,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,366,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | ||
| Non-current liabilities | 
                                                1,751,594,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,819,601,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term borrowings | 
                                                981,480,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,041,945,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                79,196,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                90,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                3,762,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,076,468,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Short-term borrowings | 
                                                2,665,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,740,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                82,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                106,120,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                156,004,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                236,910,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                5,513,788,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,896,070,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                1,489,838,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,338,232,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share capital | 
                                                500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                226,422,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                226,399,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                768,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                617,110,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -5,314,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                1,086,268,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,105,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation difference on available-for-sale securities | 
                                                44,664,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                66,282,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Revaluation reserve for land | 
                                                1,036,081,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,036,081,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                2,603,266,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,470,562,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                8,117,055,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,366,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Non-current liabilities | ||
| Current liabilities | ||
| Current portion of long-term borrowings | 
                                                122,205,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                146,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for bonuses | 
                                                92,630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                92,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provisions | ||
| Other liabilities | — | — | 
| Deferred tax liabilities for land revaluation | 
                                                565,868,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                565,868,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Net assets | ||
| Shareholders' equity | ||
| Capital surplus | ||
| Retained earnings | ||
| Valuation and translation adjustments |