Annual report
3758.TEDINET S100XUMZ
Period2025-01-01 → 2025-12-31
Filed2026-03-27
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 145
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥16.5bn | 2025-01-01 → 2025-12-31 | Cons. | Net sales |
| Revenue | ¥19.2bn | 2024-01-01 → 2024-12-31 | Cons. | Net sales |
| Revenue | ¥22.7bn | 2023-01-01 → 2023-12-31v | Cons. | Net sales (5-year summary) |
| Revenue | ¥20.6bn | 2022-01-01 → 2022-12-31v | Cons. | Net sales (5-year summary) |
| Revenue | ¥21.5bn | 2021-01-01 → 2021-12-31d | Cons. | Net sales (5-year summary) |
| Operating income | ¥667m | 2025-01-01 → 2025-12-31 | Cons. | Operating income |
| Operating income | −¥42m | 2024-01-01 → 2024-12-31 | Cons. | Operating income |
| Ordinary income | ¥541m | 2025-01-01 → 2025-12-31 | Cons. | Ordinary income |
| Ordinary income | −¥52m | 2024-01-01 → 2024-12-31 | Cons. | Ordinary income |
| Ordinary income | ¥752m | 2023-01-01 → 2023-12-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥720m | 2022-01-01 → 2022-12-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥835m | 2021-01-01 → 2021-12-31d | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥545m | 2025-01-01 → 2025-12-31 | Cons. | Income before income taxes |
| Profit before tax | −¥480m | 2024-01-01 → 2024-12-31 | Cons. | Income before income taxes |
| Net income (owners) | ¥352m | 2025-01-01 → 2025-12-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | −¥739m | 2024-01-01 → 2024-12-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥480m | 2023-01-01 → 2023-12-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥172m | 2022-01-01 → 2022-12-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥586m | 2021-01-01 → 2021-12-31d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥366m | 2025-01-01 → 2025-12-31 | Cons. | Profit loss |
| Net income | −¥708m | 2024-01-01 → 2024-12-31 | Cons. | Profit loss |
| Total assets | ¥21.2bn | at 2025-12-31 | Cons. | Assets |
| Total assets | ¥20.3bn | at 2024-12-31 | Cons. | Assets |
| Total assets | ¥21.1bn | at 2023-12-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥20.4bn | at 2022-12-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥19.2bn | at 2021-12-31d | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥12.0bn | at 2025-12-31 | Cons. | Liabilities |
| Total liabilities | ¥11.7bn | at 2024-12-31 | Cons. | Liabilities |
| Net assets / equity | ¥9.2bn | at 2025-12-31 | Cons. | Net assets |
| Net assets / equity | ¥8.6bn | at 2024-12-31 | Cons. | Net assets |
| Net assets / equity | ¥9.7bn | at 2023-12-31v | Cons. | Net assets |
| Net assets / equity | ¥9.3bn | at 2022-12-31v | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥9.2bn | at 2021-12-31d | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥8.1bn | at 2025-12-31 | Cons. | Cash and deposits |
| Cash and deposits | ¥8.2bn | at 2024-12-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥7.4bn | at 2025-12-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥7.7bn | at 2024-12-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥8.4bn | at 2023-12-31v | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥9.2bn | at 2022-12-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥9.4bn | at 2021-12-31d | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | −¥727m | 2025-01-01 → 2025-12-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | −¥327m | 2024-01-01 → 2024-12-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | −¥2.0bn | 2023-01-01 → 2023-12-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | −¥1.1bn | 2022-01-01 → 2022-12-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥2.0bn | 2021-01-01 → 2021-12-31d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | ¥167m | 2025-01-01 → 2025-12-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥464m | 2024-01-01 → 2024-12-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | ¥168m | 2023-01-01 → 2023-12-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥51m | 2022-01-01 → 2022-12-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | ¥159m | 2021-01-01 → 2021-12-31d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | ¥303m | 2025-01-01 → 2025-12-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | ¥20m | 2024-01-01 → 2024-12-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | ¥1.1bn | 2023-01-01 → 2023-12-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | ¥867m | 2022-01-01 → 2022-12-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥864m | 2021-01-01 → 2021-12-31d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥16.91 | 2025-01-01 → 2025-12-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-33.59 | 2024-01-01 → 2024-12-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥21.6 | 2023-01-01 → 2023-12-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥7.81 | 2022-01-01 → 2022-12-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥26.58 | 2021-01-01 → 2021-12-31d | Cons. | Basic earnings loss per share (5-year summary) |
| Net assets per share | ¥415.43 | at 2025-12-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥395.21 | at 2024-12-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥426.41 | at 2023-12-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥406.8 | at 2022-12-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥407.59 | at 2021-12-31d | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 40.2% | at 2025-12-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 41.3% | at 2024-12-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 44.9% | at 2023-12-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 44.3% | at 2022-12-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 46.7% | at 2021-12-31d | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 4.2% | 2025-01-01 → 2025-12-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 5.2% | 2023-01-01 → 2023-12-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | 1.9% | 2022-01-01 → 2022-12-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | 6.7% | 2021-01-01 → 2021-12-31d | Cons. | Rate of return on equity (5-year summary) |
| Employees | 460 | at 2025-12-31 | Cons. | Number of employees |
| Employees | 484 | at 2024-12-31 | Cons. | Number of employees |
| Employees | 537 | at 2023-12-31v | Cons. | Number of employees |
| Employees | 536 | at 2022-12-31v | Cons. | Number of employees |
| Employees | 559 | at 2021-12-31d | Cons. | Number of employees |
| Revenue | ¥71m | 2025-01-01 → 2025-12-31 | Standalone | Net sales |
| Revenue | ¥172m | 2024-01-01 → 2024-12-31 | Standalone | Net sales |
| Revenue | ¥208m | 2023-01-01 → 2023-12-31v | Standalone | Net sales (5-year summary) |
| Revenue | ¥238m | 2022-01-01 → 2022-12-31v | Standalone | Net sales (5-year summary) |
| Revenue | ¥181m | 2021-01-01 → 2021-12-31d | Standalone | Net sales (5-year summary) |
| Operating income | −¥336m | 2025-01-01 → 2025-12-31 | Standalone | Operating income |
| Operating income | −¥257m | 2024-01-01 → 2024-12-31 | Standalone | Operating income |
| Ordinary income | −¥176m | 2025-01-01 → 2025-12-31 | Standalone | Ordinary income |
| Ordinary income | ¥454m | 2024-01-01 → 2024-12-31 | Standalone | Ordinary income |
| Ordinary income | ¥858m | 2023-01-01 → 2023-12-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥646m | 2022-01-01 → 2022-12-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | −¥226m | 2021-01-01 → 2021-12-31d | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | −¥241m | 2025-01-01 → 2025-12-31 | Standalone | Income before income taxes |
| Profit before tax | ¥447m | 2024-01-01 → 2024-12-31 | Standalone | Income before income taxes |
| Net income | −¥81m | 2025-01-01 → 2025-12-31 | Standalone | Profit loss |
| Net income | ¥585m | 2024-01-01 → 2024-12-31 | Standalone | Profit loss |
| Net income | ¥568m | 2023-01-01 → 2023-12-31v | Standalone | Net income loss (5-year summary) |
| Net income | ¥561m | 2022-01-01 → 2022-12-31v | Standalone | Net income loss (5-year summary) |
| Net income | −¥194m | 2021-01-01 → 2021-12-31d | Standalone | Net income loss (5-year summary) |
| Total assets | ¥7.7bn | at 2025-12-31 | Standalone | Assets |
| Total assets | ¥7.3bn | at 2024-12-31 | Standalone | Assets |
| Total assets | ¥7.0bn | at 2023-12-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥7.2bn | at 2022-12-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥7.0bn | at 2021-12-31d | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥1.3bn | at 2025-12-31 | Standalone | Liabilities |
| Total liabilities | ¥676m | at 2024-12-31 | Standalone | Liabilities |
| Net assets / equity | ¥6.4bn | at 2025-12-31 | Standalone | Net assets |
| Net assets / equity | ¥6.7bn | at 2024-12-31 | Standalone | Net assets |
| Net assets / equity | ¥6.5bn | at 2023-12-31v | Standalone | Net assets |
| Net assets / equity | ¥5.8bn | at 2022-12-31v | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥5.4bn | at 2021-12-31d | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥1.2bn | at 2025-12-31 | Standalone | Cash and deposits |
| Cash and deposits | ¥1.4bn | at 2024-12-31 | Standalone | Cash and deposits |
| EPS (basic) | ¥-3.92 | 2025-01-01 → 2025-12-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥26.6 | 2024-01-01 → 2024-12-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥25.57 | 2023-01-01 → 2023-12-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥25.37 | 2022-01-01 → 2022-12-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-8.83 | 2021-01-01 → 2021-12-31d | Standalone | Basic earnings loss per share (5-year summary) |
| Dividend per share | ¥5 | 2025-01-01 → 2025-12-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥5 | 2024-01-01 → 2024-12-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥5 | 2023-01-01 → 2023-12-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥5 | 2022-01-01 → 2022-12-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥5 | 2021-01-01 → 2021-12-31d | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥312.21 | at 2025-12-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥314.4 | at 2024-12-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥289.72 | at 2023-12-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥263.55 | at 2022-12-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥244.43 | at 2021-12-31d | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 83.1% | at 2025-12-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 90.8% | at 2024-12-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 91.9% | at 2023-12-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 81.1% | at 2022-12-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 77.5% | at 2021-12-31d | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 8.9% | 2024-01-01 → 2024-12-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 9.3% | 2023-01-01 → 2023-12-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | 10.0% | 2022-01-01 → 2022-12-31v | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 21,249,428 | at 2025-12-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 23,649,428 | at 2024-12-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 23,649,428 | at 2023-12-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 23,649,428 | at 2022-12-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 23,649,428 | at 2021-12-31d | Standalone | Total number of issued shares (5-year summary) |
| Employees | 11 | at 2025-12-31 | Standalone | Number of employees |
| Employees | 12 | at 2024-12-31 | Standalone | Number of employees |
| Employees | 11 | at 2023-12-31v | Standalone | Number of employees |
| Employees | 11 | at 2022-12-31v | Standalone | Number of employees |
| Employees | 11 | at 2021-12-31d | Standalone | Number of employees |
Periods use the dates stated in the filing. d = earlier-year period dated by calendar; v = that date confirmed by the company's own earlier filing.
Segments · 65
| Segment | Item | Period | Value |
|---|---|---|---|
| Reconciling Itemsreconciling | revenue | 2025-01-01 → 2025-12-31 | −¥100m |
| Reconciling Itemsreconciling | revenue intersegment | 2025-01-01 → 2025-12-31 | −¥100m |
| Reconciling Itemsreconciling | segment assets | at 2025-12-31 | ¥9.6bn |
| Reconciling Itemsreconciling | segment profit | 2025-01-01 → 2025-12-31 | ¥0 |
| Asset Managementreportable segment | capex | 2025-01-01 → 2025-12-31 | ¥9m |
| Asset Managementreportable segment | depreciation | 2025-01-01 → 2025-12-31 | ¥46m |
| Asset Managementreportable segment | employees | at 2025-12-31 | 39 pure |
| Asset Managementreportable segment | revenue | 2025-01-01 → 2025-12-31 | ¥5.5bn |
| Asset Managementreportable segment | revenue external | 2025-01-01 → 2025-12-31 | ¥5.5bn |
| Asset Managementreportable segment | segment assets | at 2025-12-31 | ¥9.8bn |
| Asset Managementreportable segment | segment profit | 2025-01-01 → 2025-12-31 | ¥591m |
| Contents Businessreportable segment | capex | 2025-01-01 → 2025-12-31 | ¥23m |
| Contents Businessreportable segment | depreciation | 2025-01-01 → 2025-12-31 | ¥18m |
| Contents Businessreportable segment | employees | at 2025-12-31 | 332 pure |
| Contents Businessreportable segment | revenue | 2025-01-01 → 2025-12-31 | ¥9.3bn |
| Contents Businessreportable segment | revenue external | 2025-01-01 → 2025-12-31 | ¥9.3bn |
| Contents Businessreportable segment | revenue intersegment | 2025-01-01 → 2025-12-31 | ¥20m |
| Contents Businessreportable segment | segment assets | at 2025-12-31 | ¥976m |
| Contents Businessreportable segment | segment profit | 2025-01-01 → 2025-12-31 | −¥21m |
| Information Technology Service Businessreportable segment | capex | 2025-01-01 → 2025-12-31 | ¥45m |
| Information Technology Service Businessreportable segment | depreciation | 2025-01-01 → 2025-12-31 | ¥43m |
| Information Technology Service Businessreportable segment | employees | at 2025-12-31 | 78 pure |
| Information Technology Service Businessreportable segment | revenue | 2025-01-01 → 2025-12-31 | ¥1.8bn |
| Information Technology Service Businessreportable segment | revenue external | 2025-01-01 → 2025-12-31 | ¥1.7bn |
| Information Technology Service Businessreportable segment | revenue intersegment | 2025-01-01 → 2025-12-31 | ¥79m |
| Information Technology Service Businessreportable segment | segment assets | at 2025-12-31 | ¥894m |
| Information Technology Service Businessreportable segment | segment profit | 2025-01-01 → 2025-12-31 | ¥97m |
| —segment total | capex | 2025-01-01 → 2025-12-31 | ¥78m |
| —segment total | depreciation | 2025-01-01 → 2025-12-31 | ¥108m |
| —segment total | revenue | 2025-01-01 → 2025-12-31 | ¥16.6bn |
| —segment total | revenue external | 2025-01-01 → 2025-12-31 | ¥16.5bn |
| —segment total | revenue intersegment | 2025-01-01 → 2025-12-31 | ¥100m |
| —segment total | segment assets | at 2025-12-31 | ¥11.7bn |
| —segment total | segment profit | 2025-01-01 → 2025-12-31 | ¥667m |
| Reconciling Itemsreconciling | revenue | 2024-01-01 → 2024-12-31 | −¥69m |
| Reconciling Itemsreconciling | revenue intersegment | 2024-01-01 → 2024-12-31 | −¥69m |
| Reconciling Itemsreconciling | segment assets | at 2024-12-31 | ¥9.7bn |
| Reconciling Itemsreconciling | segment profit | 2024-01-01 → 2024-12-31 | ¥1m |
| Asset Managementreportable segment | capex | 2024-01-01 → 2024-12-31 | ¥1m |
| Asset Managementreportable segment | depreciation | 2024-01-01 → 2024-12-31 | ¥45m |
| Asset Managementreportable segment | revenue | 2024-01-01 → 2024-12-31 | ¥7.5bn |
| Asset Managementreportable segment | revenue external | 2024-01-01 → 2024-12-31 | ¥7.5bn |
| Asset Managementreportable segment | segment assets | at 2024-12-31 | ¥8.3bn |
| Asset Managementreportable segment | segment profit | 2024-01-01 → 2024-12-31 | ¥440m |
| Contents Businessreportable segment | capex | 2024-01-01 → 2024-12-31 | ¥9m |
| Contents Businessreportable segment | depreciation | 2024-01-01 → 2024-12-31 | ¥28m |
| Contents Businessreportable segment | revenue | 2024-01-01 → 2024-12-31 | ¥9.9bn |
| Contents Businessreportable segment | revenue external | 2024-01-01 → 2024-12-31 | ¥9.9bn |
| Contents Businessreportable segment | revenue intersegment | 2024-01-01 → 2024-12-31 | ¥39m |
| Contents Businessreportable segment | segment assets | at 2024-12-31 | ¥1.4bn |
| Contents Businessreportable segment | segment profit | 2024-01-01 → 2024-12-31 | −¥390m |
| Information Technology Service Businessreportable segment | capex | 2024-01-01 → 2024-12-31 | ¥82m |
| Information Technology Service Businessreportable segment | depreciation | 2024-01-01 → 2024-12-31 | ¥84m |
| Information Technology Service Businessreportable segment | revenue | 2024-01-01 → 2024-12-31 | ¥1.8bn |
| Information Technology Service Businessreportable segment | revenue external | 2024-01-01 → 2024-12-31 | ¥1.8bn |
| Information Technology Service Businessreportable segment | revenue intersegment | 2024-01-01 → 2024-12-31 | ¥30m |
| Information Technology Service Businessreportable segment | segment assets | at 2024-12-31 | ¥861m |
| Information Technology Service Businessreportable segment | segment profit | 2024-01-01 → 2024-12-31 | −¥94m |
| —segment total | capex | 2024-01-01 → 2024-12-31 | ¥93m |
| —segment total | depreciation | 2024-01-01 → 2024-12-31 | ¥157m |
| —segment total | revenue | 2024-01-01 → 2024-12-31 | ¥19.2bn |
| —segment total | revenue external | 2024-01-01 → 2024-12-31 | ¥19.2bn |
| —segment total | revenue intersegment | 2024-01-01 → 2024-12-31 | ¥69m |
| —segment total | segment assets | at 2024-12-31 | ¥10.5bn |
| —segment total | segment profit | 2024-01-01 → 2024-12-31 | −¥43m |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 1,610
| Item | Context | Value | Unit |
|---|---|---|---|
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_ShareholdersEquityMember | -364000000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | 118000000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | 118000000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember | -246000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_TreasuryStockMember | -254000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_ShareholdersEquityMember | 6126000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | 291000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | 291000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember | 6417000000 | JPY |
| Document title cover page | FilingDateInstant | Original text (Japanese)有価証券報告書 | |
| Clause of stipulation cover page | FilingDateInstant | Original text (Japanese)金融商品取引法第24条第１項 | |
| Place of filing cover page | FilingDateInstant | Original text (Japanese)関東財務局長 | |
| Filing date cover page | FilingDateInstant | 2026-03-27 | |
| Fiscal year cover page | FilingDateInstant | Original text (Japanese)第24期（自 2025年１月１日 至 2025年12月31日） | |
| Company name cover page | FilingDateInstant | Original text (Japanese)株式会社アエリア | |
| Company name in english cover page | FilingDateInstant | Aeria Inc. | |
| Title and name of representative cover page | FilingDateInstant | Original text (Japanese)代表取締役社長 小 林 祐 介 | |
| Address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)東京都港区赤坂三丁目７番13号 | |
| Telephone number address of registered headquarter cover page | FilingDateInstant | 03-3587-9574 | |
| Name of contact person address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)管 理 本 部 長 上 野 哲 郎 | |
| Nearest place of contact cover page | FilingDateInstant | Original text (Japanese)東京都港区赤坂三丁目７番13号 | |
| Telephone number nearest place of contact cover page | FilingDateInstant | 03-3587-9574 | |
| Name of contact person nearest place of contact cover page | FilingDateInstant | Original text (Japanese)管 理 本 部 長 上 野 哲 郎 | |
| Place for public inspection cover page (text) | FilingDateInstant | Text · Plus | |
| Edinet code | FilingDateInstant | E05453 | |
| Fund code | FilingDateInstant | － | |
| Security code | FilingDateInstant | 37580 | |
| Filer name in japanese | FilingDateInstant | Original text (Japanese)株式会社アエリア | |
| Filer name in english | FilingDateInstant | Aeria Inc. | |
| Fund name in japanese | FilingDateInstant | － | |
| Fund name in english | FilingDateInstant | － | |
| Cabinet office ordinance | FilingDateInstant | Original text (Japanese)企業内容等の開示に関する内閣府令 | |
| Document type | FilingDateInstant | Original text (Japanese)第三号様式 | |
| Accounting standards | FilingDateInstant | Japan GAAP | |
| Whether consolidated financial statements are prepared | FilingDateInstant | true | |
| Industry code when consolidated financial statements are prepared in accordance with industry specific regulations | FilingDateInstant | cte | |
| Industry code when financial statements are prepared in accordance with industry specific regulations | FilingDateInstant | cte | |
| Current fiscal year start date | FilingDateInstant | 2025-01-01 | |
| Current period end date | FilingDateInstant | 2025-12-31 | |
| Type of current period | FilingDateInstant | FY | |
| Current fiscal year end date | FilingDateInstant | 2025-12-31 | |
| Previous fiscal year start date | FilingDateInstant | 2024-01-01 | |
| Comparative period end date | FilingDateInstant | 2024-12-31 | |
| Previous fiscal year end date | FilingDateInstant | 2024-12-31 | |
| Next fiscal year start date | FilingDateInstant | － | |
| End date of quarterly or semi annual period of next fiscal year | FilingDateInstant | － | |
| Amendment flag | FilingDateInstant | false | |
| Identification of document subject to amendment | FilingDateInstant | － | |
| Report amendment flag | FilingDateInstant | false | |
| Xbrl amendment flag | FilingDateInstant | false |
Every row of the EDINET CSV. Item names are the XBRL element names; filed text is kept in its original Japanese. Filed text is available on Plus and Pro.
Data checks · 24 of 24 passed
| balance sheet identity | pass |
| balance sheet identity | pass |
| balance sheet identity | pass rounding |
| balance sheet identity | pass rounding |
| dei present | pass |
| period resolution | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |