Semi-Annual Balance Sheet
| Concept | As at 2025-03-31 | As at 2024-09-30 | 
|---|---|---|
| Semi-annual balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                759,435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                714,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                46,064,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                39,635,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -378,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -243,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                1,494,643,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,111,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accounts receivable - other | 
                                                214,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                49,102,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | ||
| Property, plant and equipment | 
                                                33,415,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                35,512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Intangible assets | 
                                                193,742,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                205,845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Goodwill | 
                                                137,138,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                145,512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Software | 
                                                33,937,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investments and other assets | 
                                                202,122,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                334,276,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                161,342,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                78,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                429,281,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                575,633,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                1,923,924,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,686,792,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Accounts payable - trade | 
                                                104,631,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                68,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                4,055,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,530,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                158,659,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                169,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                545,789,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                477,816,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Advances received | 
                                                26,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,701,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Non-current liabilities | 
                                                371,636,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                398,685,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term borrowings | 
                                                366,886,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                393,492,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                3,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,057,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,682,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,136,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                917,426,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                876,501,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Provision for bonuses | 
                                                26,743,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                85,741,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                85,621,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | ||
| Capital surplus | 
                                                284,506,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                285,622,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | ||
| Retained earnings | 
                                                683,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                500,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -46,906,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -61,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                1,006,498,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                810,290,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                1,006,498,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                810,290,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                1,923,924,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,686,792,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |