Annual report
1716.TEDINET S100Z3L6
Period2025-07-01 → 2026-06-30
Filed2026-09-28
StandardJapan GAAP
ConsolidatedYes
Data checks22 of 22 passed
Key figures · 143
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥20.1bn | 2025-07-01 → 2026-06-30 | Cons. | Net sales |
| Revenue | ¥20.2bn | 2024-07-01 → 2025-06-30 | Cons. | Net sales |
| Revenue | ¥20.9bn | 2023-07-01 → 2024-06-30v | Cons. | Net sales (5-year summary) |
| Revenue | ¥22.2bn | 2022-07-01 → 2023-06-30v | Cons. | Net sales (5-year summary) |
| Revenue | ¥20.9bn | 2021-07-01 → 2022-06-30v | Cons. | Net sales (5-year summary) |
| Operating income | ¥1.6bn | 2025-07-01 → 2026-06-30 | Cons. | Operating income |
| Operating income | ¥1.6bn | 2024-07-01 → 2025-06-30 | Cons. | Operating income |
| Ordinary income | ¥1.9bn | 2025-07-01 → 2026-06-30 | Cons. | Ordinary income |
| Ordinary income | ¥1.8bn | 2024-07-01 → 2025-06-30 | Cons. | Ordinary income |
| Ordinary income | ¥2.8bn | 2023-07-01 → 2024-06-30v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥2.9bn | 2022-07-01 → 2023-06-30v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥2.7bn | 2021-07-01 → 2022-06-30v | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥2.2bn | 2025-07-01 → 2026-06-30 | Cons. | Income before income taxes |
| Profit before tax | ¥1.9bn | 2024-07-01 → 2025-06-30 | Cons. | Income before income taxes |
| Net income (owners) | ¥1.6bn | 2025-07-01 → 2026-06-30 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥1.3bn | 2024-07-01 → 2025-06-30 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥2.0bn | 2023-07-01 → 2024-06-30v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥1.9bn | 2022-07-01 → 2023-06-30v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥1.6bn | 2021-07-01 → 2022-06-30v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥1.6bn | 2025-07-01 → 2026-06-30 | Cons. | Profit loss |
| Net income | ¥1.3bn | 2024-07-01 → 2025-06-30 | Cons. | Profit loss |
| Total assets | ¥23.4bn | at 2026-06-30 | Cons. | Assets |
| Total assets | ¥22.2bn | at 2025-06-30 | Cons. | Assets |
| Total assets | ¥21.9bn | at 2024-06-30v | Cons. | Total assets (5-year summary) |
| Total assets | ¥21.6bn | at 2023-06-30v | Cons. | Total assets (5-year summary) |
| Total assets | ¥19.4bn | at 2022-06-30v | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥3.0bn | at 2026-06-30 | Cons. | Liabilities |
| Total liabilities | ¥2.9bn | at 2025-06-30 | Cons. | Liabilities |
| Net assets / equity | ¥20.4bn | at 2026-06-30 | Cons. | Net assets |
| Net assets / equity | ¥19.4bn | at 2025-06-30 | Cons. | Net assets |
| Net assets / equity | ¥18.3bn | at 2024-06-30v | Cons. | Net assets |
| Net assets / equity | ¥17.2bn | at 2023-06-30v | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥15.9bn | at 2022-06-30v | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥10.9bn | at 2026-06-30 | Cons. | Cash and deposits |
| Cash and deposits | ¥9.9bn | at 2025-06-30 | Cons. | Cash and deposits |
| Cash & equivalents | ¥8.7bn | at 2026-06-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥8.2bn | at 2025-06-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥9.5bn | at 2024-06-30v | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥9.4bn | at 2023-06-30v | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥7.7bn | at 2022-06-30v | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | ¥2.8bn | 2025-07-01 → 2026-06-30 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥1.7bn | 2024-07-01 → 2025-06-30 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥2.2bn | 2023-07-01 → 2024-06-30v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥2.7bn | 2022-07-01 → 2023-06-30v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥2.2bn | 2021-07-01 → 2022-06-30v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | −¥1.9bn | 2025-07-01 → 2026-06-30 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥2.4bn | 2024-07-01 → 2025-06-30 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥1.7bn | 2023-07-01 → 2024-06-30v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥561m | 2022-07-01 → 2023-06-30v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥847m | 2021-07-01 → 2022-06-30v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | −¥504m | 2025-07-01 → 2026-06-30 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥516m | 2024-07-01 → 2025-06-30 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥482m | 2023-07-01 → 2024-06-30v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥506m | 2022-07-01 → 2023-06-30v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥289m | 2021-07-01 → 2022-06-30v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥142.23 | 2025-07-01 → 2026-06-30 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥117.71 | 2024-07-01 → 2025-06-30 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥174.38 | 2023-07-01 → 2024-06-30v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥171.97 | 2022-07-01 → 2023-06-30v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥138.83 | 2021-07-01 → 2022-06-30v | Cons. | Basic earnings loss per share (5-year summary) |
| Net assets per share | ¥1,798.1 | at 2026-06-30 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥1,709.54 | at 2025-06-30 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥1,607.04 | at 2024-06-30v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥1,468.67 | at 2023-06-30v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥1,322.79 | at 2022-06-30v | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 86.4% | at 2026-06-30 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 86.4% | at 2025-06-30 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 83.1% | at 2024-06-30v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 77.1% | at 2023-06-30v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 77.4% | at 2022-06-30v | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 8.1% | 2025-07-01 → 2026-06-30 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 7.1% | 2024-07-01 → 2025-06-30 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 11.3% | 2023-07-01 → 2024-06-30v | Cons. | Rate of return on equity (5-year summary) |
| ROE | 12.3% | 2022-07-01 → 2023-06-30v | Cons. | Rate of return on equity (5-year summary) |
| ROE | 11.0% | 2021-07-01 → 2022-06-30v | Cons. | Rate of return on equity (5-year summary) |
| Employees | 697 | at 2026-06-30 | Cons. | Number of employees |
| Employees | 656 | at 2025-06-30 | Cons. | Number of employees |
| Employees | 629 | at 2024-06-30v | Cons. | Number of employees |
| Employees | 723 | at 2023-06-30v | Cons. | Number of employees |
| Employees | 640 | at 2022-06-30v | Cons. | Number of employees |
| Operating income | ¥1.0bn | 2025-07-01 → 2026-06-30 | Standalone | Operating income |
| Operating income | ¥1.2bn | 2024-07-01 → 2025-06-30 | Standalone | Operating income |
| Ordinary income | ¥1.2bn | 2025-07-01 → 2026-06-30 | Standalone | Ordinary income |
| Ordinary income | ¥1.4bn | 2024-07-01 → 2025-06-30 | Standalone | Ordinary income |
| Ordinary income | ¥2.2bn | 2023-07-01 → 2024-06-30v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.8bn | 2022-07-01 → 2023-06-30v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.8bn | 2021-07-01 → 2022-06-30v | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥1.5bn | 2025-07-01 → 2026-06-30 | Standalone | Income before income taxes |
| Profit before tax | ¥1.4bn | 2024-07-01 → 2025-06-30 | Standalone | Income before income taxes |
| Net income | ¥1.2bn | 2025-07-01 → 2026-06-30 | Standalone | Profit loss |
| Net income | ¥1.1bn | 2024-07-01 → 2025-06-30 | Standalone | Profit loss |
| Net income | ¥2.3bn | 2023-07-01 → 2024-06-30v | Standalone | Net income loss (5-year summary) |
| Net income | ¥1.4bn | 2022-07-01 → 2023-06-30v | Standalone | Net income loss (5-year summary) |
| Net income | ¥1.1bn | 2021-07-01 → 2022-06-30v | Standalone | Net income loss (5-year summary) |
| Total assets | ¥19.2bn | at 2026-06-30 | Standalone | Assets |
| Total assets | ¥18.4bn | at 2025-06-30 | Standalone | Assets |
| Total assets | ¥18.1bn | at 2024-06-30v | Standalone | Total assets (5-year summary) |
| Total assets | ¥16.2bn | at 2023-06-30v | Standalone | Total assets (5-year summary) |
| Total assets | ¥14.5bn | at 2022-06-30v | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥2.3bn | at 2026-06-30 | Standalone | Liabilities |
| Total liabilities | ¥2.0bn | at 2025-06-30 | Standalone | Liabilities |
| Net assets / equity | ¥17.0bn | at 2026-06-30 | Standalone | Net assets |
| Net assets / equity | ¥16.4bn | at 2025-06-30 | Standalone | Net assets |
| Net assets / equity | ¥15.6bn | at 2024-06-30v | Standalone | Net assets |
| Net assets / equity | ¥13.7bn | at 2023-06-30v | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥12.5bn | at 2022-06-30v | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥8.2bn | at 2026-06-30 | Standalone | Cash and deposits |
| Cash and deposits | ¥7.7bn | at 2025-06-30 | Standalone | Cash and deposits |
| EPS (basic) | ¥100.12 | 2025-07-01 → 2026-06-30 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥94.06 | 2024-07-01 → 2025-06-30 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥200.03 | 2023-07-01 → 2024-06-30v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥123.1 | 2022-07-01 → 2023-06-30v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥99.49 | 2021-07-01 → 2022-06-30v | Standalone | Basic earnings loss per share (5-year summary) |
| Dividend per share | ¥45 | 2025-07-01 → 2026-06-30 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥40 | 2024-07-01 → 2025-06-30 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥38 | 2023-07-01 → 2024-06-30v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥35 | 2022-07-01 → 2023-06-30v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥28 | 2021-07-01 → 2022-06-30v | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥1,474.5 | at 2026-06-30 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥1,431.2 | at 2025-06-30 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥1,355.12 | at 2024-06-30v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥1,189.6 | at 2023-06-30v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥1,092.9 | at 2022-06-30v | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 88.1% | at 2026-06-30 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 89.4% | at 2025-06-30 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 86.0% | at 2024-06-30v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 84.5% | at 2023-06-30v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 86.5% | at 2022-06-30v | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 6.9% | 2025-07-01 → 2026-06-30 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 6.8% | 2024-07-01 → 2025-06-30 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 15.7% | 2023-07-01 → 2024-06-30v | Standalone | Rate of return on equity (5-year summary) |
| ROE | 10.8% | 2022-07-01 → 2023-06-30v | Standalone | Rate of return on equity (5-year summary) |
| ROE | 9.5% | 2021-07-01 → 2022-06-30v | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 12,000,000 | at 2026-06-30 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 12,000,000 | at 2025-06-30 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 12,000,000 | at 2024-06-30v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 12,000,000 | at 2023-06-30v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 12,000,000 | at 2022-06-30v | Standalone | Total number of issued shares (5-year summary) |
| Employees | 550 | at 2026-06-30 | Standalone | Number of employees |
| Employees | 526 | at 2025-06-30 | Standalone | Number of employees |
| Employees | 508 | at 2024-06-30v | Standalone | Number of employees |
| Employees | 446 | at 2023-06-30v | Standalone | Number of employees |
| Employees | 424 | at 2022-06-30v | 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 · 52
| Segment | Item | Period | Value |
|---|---|---|---|
| Building Maintenancereportable segment | capex | 2025-07-01 → 2026-06-30 | ¥32m |
| Building Maintenancereportable segment | depreciation | 2025-07-01 → 2026-06-30 | ¥14m |
| Building Maintenancereportable segment | employees | at 2026-06-30 | 34 pure |
| Building Maintenancereportable segment | revenue | 2025-07-01 → 2026-06-30 | ¥668m |
| Building Maintenancereportable segment | revenue external | 2025-07-01 → 2026-06-30 | ¥668m |
| Building Maintenancereportable segment | segment assets | at 2026-06-30 | ¥625m |
| Building Maintenancereportable segment | segment profit | 2025-07-01 → 2026-06-30 | ¥53m |
| Cutting And Drill Workreportable segment | capex | 2025-07-01 → 2026-06-30 | ¥1.4bn |
| Cutting And Drill Workreportable segment | depreciation | 2025-07-01 → 2026-06-30 | ¥732m |
| Cutting And Drill Workreportable segment | employees | at 2026-06-30 | 627 pure |
| Cutting And Drill Workreportable segment | revenue | 2025-07-01 → 2026-06-30 | ¥19.4bn |
| Cutting And Drill Workreportable segment | revenue external | 2025-07-01 → 2026-06-30 | ¥19.4bn |
| Cutting And Drill Workreportable segment | segment assets | at 2026-06-30 | ¥19.6bn |
| Cutting And Drill Workreportable segment | segment profit | 2025-07-01 → 2026-06-30 | ¥2.8bn |
| —segment total | capex | 2025-07-01 → 2026-06-30 | ¥1.4bn |
| —segment total | depreciation | 2025-07-01 → 2026-06-30 | ¥746m |
| —segment total | revenue | 2025-07-01 → 2026-06-30 | ¥20.1bn |
| —segment total | revenue external | 2025-07-01 → 2026-06-30 | ¥20.1bn |
| —segment total | segment assets | at 2026-06-30 | ¥20.2bn |
| —segment total | segment profit | 2025-07-01 → 2026-06-30 | ¥2.9bn |
| Total Of Reportable Segments And Otherssegment total | capex | 2025-07-01 → 2026-06-30 | ¥1.4bn |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2025-07-01 → 2026-06-30 | ¥746m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2025-07-01 → 2026-06-30 | ¥20.1bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2025-07-01 → 2026-06-30 | ¥20.1bn |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2026-06-30 | ¥20.2bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2025-07-01 → 2026-06-30 | ¥2.9bn |
| Building Maintenancereportable segment | capex | 2024-07-01 → 2025-06-30 | ¥6m |
| Building Maintenancereportable segment | depreciation | 2024-07-01 → 2025-06-30 | ¥9m |
| Building Maintenancereportable segment | revenue | 2024-07-01 → 2025-06-30 | ¥614m |
| Building Maintenancereportable segment | revenue external | 2024-07-01 → 2025-06-30 | ¥614m |
| Building Maintenancereportable segment | segment assets | at 2025-06-30 | ¥808m |
| Building Maintenancereportable segment | segment profit | 2024-07-01 → 2025-06-30 | ¥57m |
| Cutting And Drill Workreportable segment | capex | 2024-07-01 → 2025-06-30 | ¥835m |
| Cutting And Drill Workreportable segment | depreciation | 2024-07-01 → 2025-06-30 | ¥723m |
| Cutting And Drill Workreportable segment | revenue | 2024-07-01 → 2025-06-30 | ¥19.6bn |
| Cutting And Drill Workreportable segment | revenue external | 2024-07-01 → 2025-06-30 | ¥19.6bn |
| Cutting And Drill Workreportable segment | segment assets | at 2025-06-30 | ¥18.4bn |
| Cutting And Drill Workreportable segment | segment profit | 2024-07-01 → 2025-06-30 | ¥2.8bn |
| —segment total | capex | 2024-07-01 → 2025-06-30 | ¥842m |
| —segment total | depreciation | 2024-07-01 → 2025-06-30 | ¥732m |
| —segment total | revenue | 2024-07-01 → 2025-06-30 | ¥20.2bn |
| —segment total | revenue external | 2024-07-01 → 2025-06-30 | ¥20.2bn |
| —segment total | segment assets | at 2025-06-30 | ¥19.2bn |
| —segment total | segment profit | 2024-07-01 → 2025-06-30 | ¥2.8bn |
| Total Of Reportable Segments And Otherssegment total | capex | 2024-07-01 → 2025-06-30 | ¥842m |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2024-07-01 → 2025-06-30 | ¥732m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2024-07-01 → 2025-06-30 | ¥20.2bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2024-07-01 → 2025-06-30 | ¥20.2bn |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2025-06-30 | ¥19.2bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2024-07-01 → 2025-06-30 | ¥2.8bn |
| Building Maintenancereportable segment | employees | at 2026-06-30 | 34 pure |
| Cutting And Drill Workreportable segment | employees | at 2026-06-30 | 480 pure |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 1,606
| Item | Context | Value | Unit |
|---|---|---|---|
| Property plant and equipment | CurrentYearInstant_NonConsolidatedMember | 5611723000 | JPY |
| Software | Prior1YearInstant_NonConsolidatedMember | 17025000 | JPY |
| Software | CurrentYearInstant_NonConsolidatedMember | 85175000 | JPY |
| Telephone subscription right | Prior1YearInstant_NonConsolidatedMember | 3832000 | JPY |
| Telephone subscription right | CurrentYearInstant_NonConsolidatedMember | 3832000 | JPY |
| Other ia | Prior1YearInstant_NonConsolidatedMember | 101313000 | JPY |
| Other ia | CurrentYearInstant_NonConsolidatedMember | 159597000 | JPY |
| Intangible assets | Prior1YearInstant_NonConsolidatedMember | 122170000 | JPY |
| Intangible assets | CurrentYearInstant_NonConsolidatedMember | 248606000 | JPY |
| Investment securities | Prior1YearInstant_NonConsolidatedMember | 531050000 | JPY |
| Investment securities | CurrentYearInstant_NonConsolidatedMember | 249511000 | JPY |
| Stocks of subsidiaries and affiliates | Prior1YearInstant_NonConsolidatedMember | 1189770000 | JPY |
| Stocks of subsidiaries and affiliates | CurrentYearInstant_NonConsolidatedMember | 1249825000 | JPY |
| Investments in capital | Prior1YearInstant_NonConsolidatedMember | 600000 | JPY |
| Investments in capital | CurrentYearInstant_NonConsolidatedMember | 600000 | JPY |
| Claims provable in bankruptcy claims provable in rehabilitation and other | Prior1YearInstant_NonConsolidatedMember | 3415000 | JPY |
| Claims provable in bankruptcy claims provable in rehabilitation and other | CurrentYearInstant_NonConsolidatedMember | 3575000 | JPY |
| Long term prepaid expenses | Prior1YearInstant_NonConsolidatedMember | 21305000 | JPY |
| Long term prepaid expenses | CurrentYearInstant_NonConsolidatedMember | 16702000 | JPY |
| Deferred tax assets | Prior1YearInstant_NonConsolidatedMember | 64933000 | JPY |
| Deferred tax assets | CurrentYearInstant_NonConsolidatedMember | 160821000 | JPY |
| Insurance funds | Prior1YearInstant_NonConsolidatedMember | 175137000 | JPY |
| Insurance funds | CurrentYearInstant_NonConsolidatedMember | 182744000 | JPY |
| Long term accounts receivable other | Prior1YearInstant_NonConsolidatedMember | 5000000 | JPY |
| Long term accounts receivable other | CurrentYearInstant_NonConsolidatedMember | 4350000 | JPY |
| Other ioa | Prior1YearInstant_NonConsolidatedMember | 19114000 | JPY |
| Other ioa | CurrentYearInstant_NonConsolidatedMember | 17246000 | JPY |
| Allowance for doubtful accounts ioa by group | Prior1YearInstant_NonConsolidatedMember | -8158000 | JPY |
| Allowance for doubtful accounts ioa by group | CurrentYearInstant_NonConsolidatedMember | -6528000 | JPY |
| Investments and other assets | Prior1YearInstant_NonConsolidatedMember | 2002169000 | JPY |
| Investments and other assets | CurrentYearInstant_NonConsolidatedMember | 1878849000 | JPY |
| Noncurrent assets | Prior1YearInstant_NonConsolidatedMember | 6986714000 | JPY |
| Noncurrent assets | CurrentYearInstant_NonConsolidatedMember | 7739179000 | JPY |
| Assets | Prior1YearInstant_NonConsolidatedMember | 18401662000 | JPY |
| Assets | CurrentYearInstant_NonConsolidatedMember | 19234046000 | JPY |
| Accounts payable for construction contracts cns | Prior1YearInstant_NonConsolidatedMember | 733971000 | JPY |
| Accounts payable for construction contracts cns | CurrentYearInstant_NonConsolidatedMember | 667184000 | JPY |
| Accounts payable other | Prior1YearInstant_NonConsolidatedMember | 171724000 | JPY |
| Accounts payable other | CurrentYearInstant_NonConsolidatedMember | 152920000 | JPY |
| Accrued expenses | Prior1YearInstant_NonConsolidatedMember | 296889000 | JPY |
| Accrued expenses | CurrentYearInstant_NonConsolidatedMember | 393870000 | JPY |
| Income taxes payable | Prior1YearInstant_NonConsolidatedMember | 22406000 | JPY |
| Income taxes payable | CurrentYearInstant_NonConsolidatedMember | 255031000 | JPY |
| Accrued consumption taxes | Prior1YearInstant_NonConsolidatedMember | 63035000 | JPY |
| Accrued consumption taxes | CurrentYearInstant_NonConsolidatedMember | 115982000 | JPY |
| Deposits received | Prior1YearInstant_NonConsolidatedMember | 198245000 | JPY |
| Deposits received | CurrentYearInstant_NonConsolidatedMember | 216244000 | JPY |
| Provision for bonuses | Prior1YearInstant_NonConsolidatedMember | 79169000 | JPY |
| Provision for bonuses | CurrentYearInstant_NonConsolidatedMember | 83334000 | JPY |
| Other cl | Prior1YearInstant_NonConsolidatedMember | 62140000 | JPY |
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 · 22 of 22 passed
| balance sheet identity | pass |
| balance sheet identity | pass |
| balance sheet identity | pass |
| balance sheet identity | pass |
| 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 · total assets | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |