Balance Sheet
| Concept | As at 2024-03-31 | As at 2023-12-31 | 
|---|---|---|
| Balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | 
                                                32,672,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,077,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cash and deposits | 
                                                9,369,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,344,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,130,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                838,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | ||
| Land | 
                                                5,480,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,443,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | 
                                                21,771,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,889,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other, net | 
                                                931,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                868,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Own-used assets | ||
| Intangible assets | ||
| Intangible assets | 
                                                521,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                498,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                521,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                498,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other intangible assets | ||
| Investments and other assets | ||
| Investments and other assets | — | — | 
| Other | 
                                                3,534,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,452,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                25,827,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,841,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other assets | — | — | 
| Current assets | ||
| Merchandise and finished goods | 
                                                5,953,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,902,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                882,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                895,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                4,217,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,078,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other assets | ||
| Assets | 
                                                58,499,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                56,918,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Short-term borrowings | 
                                                5,225,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current portion of long-term borrowings | 
                                                993,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,518,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                375,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                264,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                3,617,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,161,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                16,643,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,776,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for bonuses | 
                                                379,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                835,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provisions | ||
| Provision for bonuses for directors (and other officers) | 
                                                4,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Non-current liabilities | 
                                                8,314,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,320,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term borrowings | 
                                                3,610,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,652,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,057,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,019,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                24,958,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,096,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Other liabilities | — | — | 
| Liabilities and net assets | ||
| Shareholders' equity | 
                                                26,661,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,566,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share capital | 
                                                2,898,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,898,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                2,980,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,951,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                22,210,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,145,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -1,428,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,429,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                4,379,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,567,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation difference on available-for-sale securities | 
                                                694,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                595,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                33,541,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,822,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                58,499,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                56,918,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Valuation and translation adjustments | ||
| Shareholders' equity | ||
| Capital surplus | ||
| Retained earnings |