Quarterly Consolidated Balance Sheet
| Concept | As at 2024-08-31 | As at 2024-02-29 | 
|---|---|---|
| Quarterly consolidated balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                824,646,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                883,312,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                357,682,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                362,410,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                1,173,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                106,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                83,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Inventories | 
                                                358,962,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                362,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                4,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -604,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -591,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                1,436,938,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,445,712,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                18,364,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,655,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Intangible assets | ||
| Intangible assets | 
                                                160,877,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                173,647,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                6,578,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,578,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Non-current assets | 
                                                185,819,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                200,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                1,622,758,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,646,593,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Income taxes payable | 
                                                3,863,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,013,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                189,875,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                152,394,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Asset retirement obligations | 
                                                7,619,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                17,254,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,768,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                207,129,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                169,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                401,160,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                401,160,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                389,160,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                389,160,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                625,645,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                687,446,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -337,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -337,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                1,415,628,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,477,429,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                1,415,628,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,477,429,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                1,622,758,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,646,593,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |