Scope
1. Scope
These terms apply to Qvernal's website, tools, published information, results of calculations, checks, comparisons and conversions, generated outputs, and related services.
Conditions and cautions shown for individual tools or services supplement these terms. If they differ, the conditions and cautions for the relevant tool or service take precedence. If supplementary terms for a particular region are introduced in the future, they may take precedence within their regional scope. Personal information is handled in accordance with the Privacy Policy.
Use
2. Using Qvernal
When using Qvernal, please review these terms and the cautions for the relevant tool. These terms are always accessible from the footer. Features that involve greater risk may have additional, more prominent guidance where necessary.
Services
3. Services provided
Qvernal may provide practical tools for calculations, checks, comparisons, conversions, organizing information, generating files and other everyday tasks. Services may be improved or changed, and we do not promise the continued availability of every feature.
User content
4. Content you provide
When handling text, images, files or other content through Qvernal, you are responsible for confirming that you have the necessary rights or authorization. Qvernal does not acquire ownership of content you enter or specify merely because you provide it to a tool.
Prohibited conduct
5. Prohibited conduct
You must not engage in conduct such as:
- Violating laws, public order or good morals, or infringing third-party rights
- Unauthorized access, circumventing authentication or security measures, or exploiting vulnerabilities
- Transmitting malware or other harmful code, or interfering with the operation of the service
- Excessive automated access beyond ordinary use, or other abusive use
- Fraudulent or misleading use, or impersonation
- If advertising or other monetization features are introduced in the future, improper access or manipulation, or conduct that generates invalid traffic
Intellectual property
6. Intellectual property
Qvernal's original site design, software, logos, text and other content may include intellectual property belonging to the operator or other rightful owners. Rights in content provided by users are treated separately.
Results
7. Tool results and outputs
Calculations, checks, conversions, generated files and displayed results may vary depending on assumptions, input, reference information, browser and device environments, and technical limitations. Qvernal seeks to maintain reasonable quality and usability, but does not guarantee complete accuracy, completeness, suitability for every purpose, continuous availability, or compatibility with all devices, software and services.
Professional fields
8. Information in professional fields
Content concerning law, tax, investment, finance, real estate, medicine and other professional fields is intended as general information or calculation assistance. It is not professional advice tailored to individual circumstances. Before making important decisions, check official information and consult a qualified professional where necessary.
External services
9. External services and links
Qvernal may link to or integrate with services operated or managed by third parties. These services are outside Qvernal's control. Please review their respective terms and policies before using them.
Availability
10. Changes, suspension and termination
Qvernal may change, suspend or discontinue all or part of its services where reasonably necessary for maintenance, security, technical failures, legal or regulatory requirements, service improvements or other reasonable needs. Where possible, we will endeavor to provide information appropriate to the circumstances.
Liability
11. Treatment of liability
If damage arises in connection with the use of, or inability to use, the service, whether Qvernal is liable and the extent of any liability will be determined under applicable law. Nothing in these Terms excludes or limits user rights or Qvernal liabilities that cannot lawfully be excluded or limited.
Updates
12. Changes to these terms
Qvernal may revise these terms where necessary and appropriate. We will make the revised terms and their effective date reasonably accessible on this page and give notice of important changes as appropriate. Where applicable law requires consent or other procedures, we will follow those requirements.
Governing law
13. Governing law and mandatory provisions
These terms are governed by and interpreted in accordance with Japanese law. This does not affect mandatory provisions or other legal rights applicable to you that cannot be excluded or restricted by contract.
Disputes
14. Resolution of disputes
If a problem arises concerning these terms or the use of Qvernal, Qvernal and the user will seek to resolve it through good-faith discussions, taking applicable law into account. If discussions do not resolve the matter, it will be resolved in a Japanese court with jurisdiction under the law.
Severability
15. Severability
If any part of these terms is found to be invalid or unenforceable, the remaining provisions will continue in effect to the extent permitted by law.
Language
16. Language
The Japanese version of these Terms is the authoritative text. The English version is provided for reference. This does not affect rights that cannot be excluded or restricted under applicable law.
Effective date
17. Effective date
Effective date: October 21, 2026 (upon publication of this revised version)