Balance Sheet
| Concept | As at 2023-12-31 | As at 2023-03-31 | 
|---|---|---|
| Balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                3,524,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,252,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                8,305,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,351,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                95,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                347,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                2,648,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,060,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -6,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                21,872,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,685,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,197,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                767,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                34,960,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,420,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | 
                                                32,863,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,639,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Land | 
                                                4,912,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,912,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Construction in progress | 
                                                9,459,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,244,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other, net | 
                                                787,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                734,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Intangible assets | 
                                                1,028,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                607,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,028,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                607,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                1,068,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,172,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,068,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,172,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | ||
| Own-used assets | ||
| Intangible assets | ||
| Other intangible assets | ||
| Investments and other assets | ||
| Other assets | ||
| Assets | 
                                                56,832,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                51,105,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | ||
| Non-current liabilities | 
                                                13,654,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,912,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term borrowings | 
                                                10,876,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,312,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                655,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                620,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for retirement benefits | 
                                                2,021,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,888,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                22,080,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,551,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Short-term borrowings | 
                                                6,100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                232,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                477,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,492,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                990,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                35,735,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,463,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                20,962,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,556,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share capital | 
                                                1,618,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,618,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                1,541,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,541,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                17,895,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,488,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -92,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -92,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                134,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                85,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation difference on available-for-sale securities | 
                                                133,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                85,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred gains or losses on hedges | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                21,097,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,641,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                56,832,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                51,105,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Non-current liabilities | ||
| Provisions | ||
| Provision for retirement benefits for directors (and other officers) | 
                                                101,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                90,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | ||
| Current portion of long-term borrowings | 
                                                4,201,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,481,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provisions | ||
| Provision for bonuses | 
                                                356,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                792,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Other liabilities | — | — | 
| Net assets | ||
| Shareholders' equity | ||
| Capital surplus | ||
| Retained earnings | ||
| Valuation and translation adjustments |