Semi-Annual Consolidated Balance Sheet
| Concept | As at 2024-08-31 | As at 2024-02-29 | 
|---|---|---|
| Semi-annual consolidated balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                2,867,444,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,645,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                363,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                411,166,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -4,953,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,255,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                4,472,374,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,357,594,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                454,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                458,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Land | 
                                                367,907,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                367,907,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Other, net | 
                                                86,810,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                90,667,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Other | 
                                                2,627,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,304,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                2,627,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,304,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                480,146,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                278,966,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Non-current assets | 
                                                937,491,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                740,844,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                5,409,865,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,098,438,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Income taxes payable | 
                                                128,539,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,240,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                489,929,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                397,581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                1,021,723,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                796,522,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Other | 
                                                65,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                65,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                125,075,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                137,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                1,146,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                933,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for retirement benefits for directors (and other officers) | 
                                                59,417,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                71,599,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for bonuses | 
                                                279,333,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                252,642,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                214,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                214,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                119,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                119,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                4,256,583,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,158,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -341,854,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -341,854,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                4,248,258,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,149,851,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share acquisition rights | 
                                                14,807,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,807,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                4,263,065,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,164,658,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                5,409,865,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,098,438,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |