Consolidated Statement Of Income
| Concept | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of income | |||||||||||||||||||||||||||||||
| Statement of income | |||||||||||||||||||||||||||||||
| Net sales | — | 
                                                4,369,209,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,402,146,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,750,968,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,451,249,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                22,494,535,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                25,950,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,281,968,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                19,991,868,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,102,363,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                2,613,510,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,286,621,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,892,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,375,528,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                25,516,472,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | — | — | — | — | — | — | — | — | 
                                                18,223,050,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                20,672,291,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                18,141,820,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                20,903,046,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | |||||||||||||||||||||||||||||||
| Operating expenses - general | |||||||||||||||||||||||||||||||
| Remuneration for directors (and other officers) | — | — | — | — | — | — | — | — | 
                                                151,514,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                205,679,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                203,625,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                233,913,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Welfare expenses | — | — | — | — | — | — | — | — | 
                                                40,676,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                39,338,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Taxes and dues | — | — | — | — | — | — | — | — | 
                                                142,977,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                173,938,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                97,217,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                125,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Depreciation | — | — | — | — | — | — | — | — | 
                                                112,086,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                112,086,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                102,096,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                102,096,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | |||||||||||||||||||||||||||||||
| Selling, general and administrative expenses | — | — | — | — | — | — | — | — | 
                                                1,927,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,095,386,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,975,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,109,714,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | — | — | — | — | — | — | — | — | 
                                                676,339,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                834,368,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | |||||||||||||||||||||||||||||||
| Other operating expenses | |||||||||||||||||||||||||||||||
| Provision for retirement benefits for directors (and other officers) | — | — | — | — | — | — | — | — | — | — | 
                                                4,092,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | |||||||||||||||||||||||||||||||
| Ordinary profit (loss) | — | — | — | — | — | — | — | — | 
                                                2,527,517,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,175,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,876,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,121,583,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating profit (loss) | — | 
                                                527,021,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,183,219,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,321,618,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,343,534,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,183,219,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                334,579,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,172,494,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,985,421,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                106,215,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                225,002,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,503,712,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,503,712,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| General and administrative expenses | |||||||||||||||||||||||||||||||
| Salaries | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Operating expenses | |||||||||||||||||||||||||||||||
| Net sales | |||||||||||||||||||||||||||||||
| Gross profit (loss) | — | — | — | — | — | — | — | — | 
                                                4,271,484,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,278,605,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                3,960,542,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                4,613,426,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | |||||||||||||||||||||||||||||||
| Selling, general and administrative expenses | |||||||||||||||||||||||||||||||
| Advertising expenses | — | — | — | — | — | — | — | — | 
                                                4,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                4,687,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Legal welfare expenses | — | — | — | — | — | — | — | — | 
                                                116,484,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                117,972,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Entertainment expenses | — | — | — | — | — | — | — | — | 
                                                41,682,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                24,597,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Communication expenses | — | — | — | — | — | — | — | — | 
                                                14,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                12,517,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Supplies expenses | — | — | — | — | — | — | — | — | 
                                                29,739,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                35,664,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Miscellaneous expenses | — | — | — | — | — | — | — | — | 
                                                474,726,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                419,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Non-operating income | |||||||||||||||||||||||||||||||
| Interest income | — | — | — | — | — | — | — | — | — | — | 
                                                3,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Dividend income | — | — | — | — | — | — | — | — | — | — | 
                                                83,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                76,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | — | — | — | — | — | — | — | — | 
                                                101,578,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                58,189,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | — | — | — | — | — | — | — | — | 
                                                528,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                433,473,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                342,351,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                175,111,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Miscellaneous income | — | — | — | — | — | — | — | — | 
                                                103,548,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                62,535,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Extraordinary income | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                832,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                832,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                25,011,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                25,011,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | |||||||||||||||||||||||||||||||
| Interest expenses | — | — | — | — | — | — | — | — | 
                                                195,179,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                284,542,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                186,128,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                287,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | — | — | — | — | — | — | — | — | 
                                                19,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                5,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | — | — | — | — | — | — | — | — | 
                                                344,958,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                440,844,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                451,341,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                557,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | — | — | — | — | — | — | — | — | 
                                                6,437,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,585,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                774,731,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                774,808,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Impairment losses | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                735,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                735,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                735,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                735,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) before income taxes | — | — | — | — | — | — | — | — | 
                                                2,521,079,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,163,262,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,933,861,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,178,937,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit | |||||||||||||||||||||||||||||||
| Income taxes - current | — | — | — | — | — | — | — | — | 
                                                560,149,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                700,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                63,215,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | |||||||||||||||||||||||||||||||
| Gain on sale of non-current assets | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                480,066,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                480,066,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gain on sale of investment securities | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                11,721,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                11,721,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes - deferred | — | — | — | — | — | — | — | — | 
                                                298,261,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                328,446,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                434,605,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                441,079,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | |||||||||||||||||||||||||||||||
| Loss on sale of non-current assets | — | — | — | — | — | — | — | — | 
                                                1,140,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,140,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Loss on retirement of non-current assets | — | — | — | — | — | — | — | — | 
                                                2,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,444,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                21,420,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                21,497,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes | — | — | — | — | — | — | — | — | 
                                                858,411,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,029,252,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                515,775,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                585,464,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) | — | — | — | — | 
                                                1,662,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,662,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,662,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,134,009,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,662,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,418,086,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,418,086,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,418,086,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,418,086,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                1,593,473,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to non-controlling interests | — | — | — | — | — | — | — | — | — | — | 
                                                114,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                28,989,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to owners of parent | 
                                                2,020,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                2,020,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,020,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,564,483,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,564,483,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,564,483,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | |||||||||||||||||||||||||||||||
| Valuation difference on available-for-sale securities | — | — | — | — | — | — | — | — | — | — | 
                                                350,861,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                349,055,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | — | — | — | — | — | — | — | — | — | — | 
                                                511,699,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                834,544,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — | 
                                                862,561,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,183,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit attributable to | |||||||||||||||||||||||||||||||
| Comprehensive income | — | — | — | — | — | — | — | — | — | — | 
                                                2,996,571,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,777,073,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | |||||||||||||||||||||||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | — | — | — | — | — | — | — | 
                                                2,882,564,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,748,083,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to non-controlling interests | — | — | — | — | — | — | — | — | — | — | 
                                                114,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                28,989,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |