Annual report
4720.TEDINET S100YKMH
Period2025-04-01 → 2026-03-31
Filed2026-06-25
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 147
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥5.6bn | 2025-04-01 → 2026-03-31 | Cons. | Net sales |
| Revenue | ¥5.6bn | 2024-04-01 → 2025-03-31 | Cons. | Net sales |
| Revenue | ¥5.9bn | 2023-04-01 → 2024-03-31v | Cons. | Net sales (5-year summary) |
| Revenue | ¥5.9bn | 2022-04-01 → 2023-03-31v | Cons. | Net sales (5-year summary) |
| Revenue | ¥6.3bn | 2021-04-01 → 2022-03-31v | Cons. | Net sales (5-year summary) |
| Operating income | ¥78m | 2025-04-01 → 2026-03-31 | Cons. | Operating income |
| Operating income | −¥231m | 2024-04-01 → 2025-03-31 | Cons. | Operating income |
| Ordinary income | ¥81m | 2025-04-01 → 2026-03-31 | Cons. | Ordinary income |
| Ordinary income | −¥229m | 2024-04-01 → 2025-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥40m | 2023-04-01 → 2024-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | −¥40m | 2022-04-01 → 2023-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥70m | 2021-04-01 → 2022-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥66m | 2025-04-01 → 2026-03-31 | Cons. | Income before income taxes |
| Profit before tax | −¥343m | 2024-04-01 → 2025-03-31 | Cons. | Income before income taxes |
| Net income (owners) | ¥5m | 2025-04-01 → 2026-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | −¥421m | 2024-04-01 → 2025-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | −¥122m | 2023-04-01 → 2024-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | −¥135m | 2022-04-01 → 2023-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | −¥637m | 2021-04-01 → 2022-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥5m | 2025-04-01 → 2026-03-31 | Cons. | Profit loss |
| Net income | −¥421m | 2024-04-01 → 2025-03-31 | Cons. | Profit loss |
| Total assets | ¥5.1bn | at 2026-03-31 | Cons. | Assets |
| Total assets | ¥5.2bn | at 2025-03-31 | Cons. | Assets |
| Total assets | ¥4.9bn | at 2024-03-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥5.1bn | at 2023-03-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥5.4bn | at 2022-03-31v | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥3.7bn | at 2026-03-31 | Cons. | Liabilities |
| Total liabilities | ¥3.8bn | at 2025-03-31 | Cons. | Liabilities |
| Net assets / equity | ¥1.4bn | at 2026-03-31 | Cons. | Net assets |
| Net assets / equity | ¥1.4bn | at 2025-03-31 | Cons. | Net assets |
| Net assets / equity | ¥1.9bn | at 2024-03-31v | Cons. | Net assets |
| Net assets / equity | ¥2.0bn | at 2023-03-31v | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥2.1bn | at 2022-03-31v | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥1.8bn | at 2026-03-31 | Cons. | Cash and deposits |
| Cash and deposits | ¥1.6bn | at 2025-03-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥1.8bn | at 2026-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥1.6bn | at 2025-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥1.4bn | at 2024-03-31v | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥1.6bn | at 2023-03-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥1.6bn | at 2022-03-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | ¥123m | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | −¥55m | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥70m | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥49m | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥446m | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | ¥123m | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥178m | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥3m | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥32m | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥61m | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | −¥44m | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | ¥401m | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥229m | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥66m | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥164m | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥0.61 | 2025-04-01 → 2026-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-52.39 | 2024-04-01 → 2025-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-15.23 | 2023-04-01 → 2024-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-17.15 | 2022-04-01 → 2023-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-79.59 | 2021-04-01 → 2022-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| Net assets per share | ¥173.26 | at 2026-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥178.81 | at 2025-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥234.1 | at 2024-03-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥252.33 | at 2023-03-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥270.09 | at 2022-03-31v | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 27.2% | at 2026-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 27.5% | at 2025-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 38.6% | at 2024-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 39.4% | at 2023-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 38.8% | at 2022-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 0.3% | 2025-04-01 → 2026-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | -25.4% | 2024-04-01 → 2025-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | -6.3% | 2023-04-01 → 2024-03-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | -6.5% | 2022-04-01 → 2023-03-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | -25.7% | 2021-04-01 → 2022-03-31v | Cons. | Rate of return on equity (5-year summary) |
| Employees | 394 | at 2026-03-31 | Cons. | Number of employees |
| Employees | 391 | at 2025-03-31 | Cons. | Number of employees |
| Employees | 392 | at 2024-03-31v | Cons. | Number of employees |
| Employees | 393 | at 2023-03-31v | Cons. | Number of employees |
| Employees | 380 | at 2022-03-31v | Cons. | Number of employees |
| Revenue | ¥4.5bn | 2025-04-01 → 2026-03-31 | Standalone | Net sales |
| Revenue | ¥3.8bn | 2024-04-01 → 2025-03-31 | Standalone | Net sales |
| Revenue | ¥4.0bn | 2023-04-01 → 2024-03-31v | Standalone | Net sales (5-year summary) |
| Revenue | ¥4.1bn | 2022-04-01 → 2023-03-31v | Standalone | Net sales (5-year summary) |
| Revenue | ¥4.4bn | 2021-04-01 → 2022-03-31v | Standalone | Net sales (5-year summary) |
| Operating income | ¥67m | 2025-04-01 → 2026-03-31 | Standalone | Operating income |
| Operating income | −¥384m | 2024-04-01 → 2025-03-31 | Standalone | Operating income |
| Ordinary income | ¥80m | 2025-04-01 → 2026-03-31 | Standalone | Ordinary income |
| Ordinary income | −¥326m | 2024-04-01 → 2025-03-31 | Standalone | Ordinary income |
| Ordinary income | −¥154m | 2023-04-01 → 2024-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | −¥231m | 2022-04-01 → 2023-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥5m | 2021-04-01 → 2022-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥147m | 2025-04-01 → 2026-03-31 | Standalone | Income before income taxes |
| Profit before tax | −¥425m | 2024-04-01 → 2025-03-31 | Standalone | Income before income taxes |
| Net income | ¥102m | 2025-04-01 → 2026-03-31 | Standalone | Profit loss |
| Net income | −¥435m | 2024-04-01 → 2025-03-31 | Standalone | Profit loss |
| Net income | −¥259m | 2023-04-01 → 2024-03-31v | Standalone | Net income loss (5-year summary) |
| Net income | −¥314m | 2022-04-01 → 2023-03-31v | Standalone | Net income loss (5-year summary) |
| Net income | −¥782m | 2021-04-01 → 2022-03-31v | Standalone | Net income loss (5-year summary) |
| Total assets | ¥4.2bn | at 2026-03-31 | Standalone | Assets |
| Total assets | ¥4.1bn | at 2025-03-31 | Standalone | Assets |
| Total assets | ¥3.8bn | at 2024-03-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥4.3bn | at 2023-03-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥4.6bn | at 2022-03-31v | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥3.2bn | at 2026-03-31 | Standalone | Liabilities |
| Total liabilities | ¥3.1bn | at 2025-03-31 | Standalone | Liabilities |
| Net assets / equity | ¥987m | at 2026-03-31 | Standalone | Net assets |
| Net assets / equity | ¥935m | at 2025-03-31 | Standalone | Net assets |
| Net assets / equity | ¥1.4bn | at 2024-03-31v | Standalone | Net assets |
| Net assets / equity | ¥1.7bn | at 2023-03-31v | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥1.9bn | at 2022-03-31v | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥1.2bn | at 2026-03-31 | Standalone | Cash and deposits |
| Cash and deposits | ¥752m | at 2025-03-31 | Standalone | Cash and deposits |
| EPS (basic) | ¥12.66 | 2025-04-01 → 2026-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-54.16 | 2024-04-01 → 2025-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-32.22 | 2023-04-01 → 2024-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-39.88 | 2022-04-01 → 2023-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-97.77 | 2021-04-01 → 2022-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| Dividend per share | ¥7 | 2025-04-01 → 2026-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥5 | 2023-04-01 → 2024-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥5 | 2022-04-01 → 2023-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥5 | 2021-04-01 → 2022-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥122.93 | at 2026-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥116.44 | at 2025-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥173.5 | at 2024-03-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥208.7 | at 2023-03-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥248.12 | at 2022-03-31v | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 23.4% | at 2026-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 23.0% | at 2025-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 36.6% | at 2024-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 39.1% | at 2023-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 42.2% | at 2022-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 10.6% | 2025-04-01 → 2026-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | -37.4% | 2024-04-01 → 2025-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | -16.9% | 2023-04-01 → 2024-03-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | -17.4% | 2022-04-01 → 2023-03-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | -32.9% | 2021-04-01 → 2022-03-31v | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 8,937,840 | at 2026-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 8,937,840 | at 2025-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 8,937,840 | at 2024-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 8,937,840 | at 2023-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 8,937,840 | at 2022-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Employees | 289 | at 2026-03-31 | Standalone | Number of employees |
| Employees | 196 | at 2025-03-31 | Standalone | Number of employees |
| Employees | 193 | at 2024-03-31v | Standalone | Number of employees |
| Employees | 197 | at 2023-03-31v | Standalone | Number of employees |
| Employees | 200 | at 2022-03-31v | 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 · 50
| Segment | Item | Period | Value |
|---|---|---|---|
| Reconciling Itemsreconciling | revenue | 2025-04-01 → 2026-03-31 | −¥7m |
| Reconciling Itemsreconciling | revenue intersegment | 2025-04-01 → 2026-03-31 | −¥7m |
| Reconciling Itemsreconciling | segment assets | at 2026-03-31 | −¥2m |
| Education Businessreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥99m |
| Education Businessreportable segment | depreciation | 2025-04-01 → 2026-03-31 | ¥104m |
| Education Businessreportable segment | employees | at 2026-03-31 | 378 pure |
| Education Businessreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥5.3bn |
| Education Businessreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥5.3bn |
| Education Businessreportable segment | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥7m |
| Education Businessreportable segment | segment assets | at 2026-03-31 | ¥4.5bn |
| Education Businessreportable segment | segment profit | 2025-04-01 → 2026-03-31 | ¥33m |
| Sports Businessreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥16m |
| Sports Businessreportable segment | depreciation | 2025-04-01 → 2026-03-31 | ¥13m |
| Sports Businessreportable segment | employees | at 2026-03-31 | 16 pure |
| Sports Businessreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥368m |
| Sports Businessreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥368m |
| Sports Businessreportable segment | segment assets | at 2026-03-31 | ¥594m |
| Sports Businessreportable segment | segment profit | 2025-04-01 → 2026-03-31 | ¥44m |
| Total Of Reportable Segments And Otherssegment total | capex | 2025-04-01 → 2026-03-31 | ¥116m |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2025-04-01 → 2026-03-31 | ¥117m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2025-04-01 → 2026-03-31 | ¥5.6bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2025-04-01 → 2026-03-31 | ¥5.6bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2025-04-01 → 2026-03-31 | ¥7m |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2026-03-31 | ¥5.1bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2025-04-01 → 2026-03-31 | ¥78m |
| Reconciling Itemsreconciling | depreciation | 2024-04-01 → 2025-03-31 | −¥300,000 |
| Reconciling Itemsreconciling | revenue | 2024-04-01 → 2025-03-31 | −¥9m |
| Reconciling Itemsreconciling | revenue intersegment | 2024-04-01 → 2025-03-31 | −¥9m |
| Reconciling Itemsreconciling | segment assets | at 2025-03-31 | −¥3m |
| Reconciling Itemsreconciling | segment profit | 2024-04-01 → 2025-03-31 | ¥540,000 |
| Education Businessreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥363m |
| Education Businessreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥95m |
| Education Businessreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥5.3bn |
| Education Businessreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥5.3bn |
| Education Businessreportable segment | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥9m |
| Education Businessreportable segment | segment assets | at 2025-03-31 | ¥4.7bn |
| Education Businessreportable segment | segment profit | 2024-04-01 → 2025-03-31 | −¥301m |
| Sports Businessreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥16m |
| Sports Businessreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥15m |
| Sports Businessreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥373m |
| Sports Businessreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥373m |
| Sports Businessreportable segment | segment assets | at 2025-03-31 | ¥579m |
| Sports Businessreportable segment | segment profit | 2024-04-01 → 2025-03-31 | ¥70m |
| Total Of Reportable Segments And Otherssegment total | capex | 2024-04-01 → 2025-03-31 | ¥379m |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2024-04-01 → 2025-03-31 | ¥110m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2024-04-01 → 2025-03-31 | ¥5.6bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2024-04-01 → 2025-03-31 | ¥5.6bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥9m |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2025-03-31 | ¥5.2bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2024-04-01 → 2025-03-31 | −¥231m |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 1,705
| Item | Context | Value | Unit |
|---|---|---|---|
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_RevaluationReserveForLandMember | － | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | -49517000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember | 52111000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_TreasuryStockMember | -356148000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_ShareholdersEquityMember | 1331914000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | 844000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_RevaluationReserveForLandMember | -345435000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | -344591000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember | 987322000 | JPY |
| Advertising expenses sga | Prior1YearDuration_NonConsolidatedMember | 211006000 | JPY |
| Advertising expenses sga | CurrentYearDuration_NonConsolidatedMember | 184795000 | JPY |
| Salaries and allowances sga | Prior1YearDuration_NonConsolidatedMember | 252574000 | JPY |
| Salaries and allowances sga | CurrentYearDuration_NonConsolidatedMember | 250380000 | JPY |
| Directors compensations sga | Prior1YearDuration_NonConsolidatedMember | 85256000 | JPY |
| Directors compensations sga | CurrentYearDuration_NonConsolidatedMember | 66075000 | JPY |
| Bonuses sga | Prior1YearDuration_NonConsolidatedMember | 20085000 | JPY |
| Bonuses sga | CurrentYearDuration_NonConsolidatedMember | 8857000 | JPY |
| Legal welfare expenses sga | Prior1YearDuration_NonConsolidatedMember | 77524000 | JPY |
| Legal welfare expenses sga | CurrentYearDuration_NonConsolidatedMember | 73496000 | JPY |
| Offering expenses sga | Prior1YearDuration_NonConsolidatedMember | 18923000 | JPY |
| Offering expenses sga | CurrentYearDuration_NonConsolidatedMember | 37709000 | JPY |
| Traveling and transportation expenses sgaivt | Prior1YearDuration_NonConsolidatedMember | 24803000 | JPY |
| Traveling and transportation expenses sgaivt | CurrentYearDuration_NonConsolidatedMember | 19369000 | JPY |
| Depreciation sga | Prior1YearDuration_NonConsolidatedMember | 21180000 | JPY |
| Depreciation sga | CurrentYearDuration_NonConsolidatedMember | 19836000 | JPY |
| Provision for bonuses sga | Prior1YearDuration_NonConsolidatedMember | 10878000 | JPY |
| Provision for bonuses sga | CurrentYearDuration_NonConsolidatedMember | 10580000 | JPY |
| Provision of allowance for doubtful accounts sga | Prior1YearDuration_NonConsolidatedMember | 23449000 | JPY |
| Provision of allowance for doubtful accounts sga | CurrentYearDuration_NonConsolidatedMember | 5015000 | 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 | 2026-06-25 | |
| Fiscal year cover page | FilingDateInstant | Original text (Japanese)第44期(自 2025年４月１日 至 2026年３月31日) | |
| Company name cover page | FilingDateInstant | Original text (Japanese)株式会社城南進学研究社 | |
| Company name in english cover page | FilingDateInstant | JOHNAN ACADEMIC PREPARATORY INSTITUTE,INC. | |
| Title and name of representative cover page | FilingDateInstant | Original text (Japanese)代表取締役社長ＣＥＯ 千 島 克 哉 | |
| Address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)神奈川県川崎市川崎区駅前本町22番地２ | |
| Telephone number address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)０４４(２４６)１９５１(代表) | |
| Name of contact person address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)常務取締役ＣＦＯ 杉 山 幸 広 | |
| Nearest place of contact cover page | FilingDateInstant | Original text (Japanese)神奈川県川崎市川崎区駅前本町22番地２ | |
| Telephone number nearest place of contact cover page | FilingDateInstant | Original text (Japanese)０４４(２４６)１９５１(代表) | |
| Name of contact person nearest place of contact cover page | FilingDateInstant | Original text (Japanese)常務取締役ＣＦＯ 杉 山 幸 広 | |
| Place for public inspection cover page (text) | FilingDateInstant | Text · Plus | |
| Edinet code | FilingDateInstant | E05030 | |
| Fund code | FilingDateInstant | － | |
| Security code | FilingDateInstant | 47200 | |
| Filer name in japanese | FilingDateInstant | Original text (Japanese)株式会社城南進学研究社 | |
| Filer name in english | FilingDateInstant | JOHNAN ACADEMIC PREPARATORY INSTITUTE,INC. | |
| Fund name in japanese | FilingDateInstant | － |
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 rounding |
| balance sheet identity | pass rounding |
| balance sheet identity | pass |
| 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 |