Terms of Service

These Terms of Service (the "Terms") define the conditions for using Only Gantt (the "Service"). Users ("you") must agree to these Terms before using the Service.

Article 1 (Application)

These Terms apply to all relations between you and the Service operator regarding use of the Service.

Article 2 (Registration)

1. Registration is completed when an applicant agrees to these Terms, applies through the prescribed method, and the Service operator approves the application.
2. The operator may decline registration if the applicant:
   • provides false information,
   • has previously violated these Terms, or
   • is otherwise judged unsuitable by the operator.

Article 3 (Account Management)

You are responsible for managing your account credentials (ID, password, etc.). You bear responsibility for damages caused by inadequate management, errors in use, or use by third parties.

Article 4 (Prohibited Acts)

You shall not engage in the following:

• Acts that violate laws or public order and morals
• Acts related to criminal conduct
• Acts that disrupt the Service or destroy/interfere with the operator's, other users', or third parties' servers or network functions
• Acts that infringe the intellectual property or other rights of the operator, other users, or third parties
• Unauthorized access or attempts thereof
• Collection or accumulation of personal information about other users
• Impersonation of other users
• Other acts deemed inappropriate by the operator

Article 5 (Exclusion of Antisocial Forces)

Users agree to the following, now and in the future:

• That they are not antisocial forces
• Not to make violent demands or unreasonable demands beyond legal responsibility
• Not to obstruct the other party's business or damage their reputation through fraudulent means or force
• Not to provide funds or other assistance to antisocial forces

If a violation is discovered or confirmed, the Service operator may take the following actions:

1. Immediate termination of contract: The contract may be terminated immediately without prior notice or demand.
2. Suspension of service: Account freezing or access prohibition measures may be implemented.
3. Claim for damages: Compensation may be claimed for damages arising from the termination.

Article 6 (Suspension of Service)

The operator may suspend or interrupt all or part of the Service without prior notice when:

• Maintenance or updates of the system are performed
• Force majeure such as earthquake, lightning, fire, power outage, or other natural disasters makes service difficult
• Computers or communication lines stop due to accidents
• The operator otherwise judges that providing the Service is difficult

Article 7 (Copyright and Intellectual Property)

Copyrights and other intellectual property rights related to the Service belong to the operator or rightful holders. You may use the Service only as set forth in these Terms. However, rights to project information, task information, and other data you input remain yours or the rightful holder's.

Article 8 (Disclaimer)

1. The operator does not guarantee, expressly or impliedly, that the Service has no factual or legal defects.
2. The operator shall not be liable for any damages arising from the Service, except in cases of intentional misconduct or gross negligence by the operator.

Article 9 (Changes to Terms)

The operator may change these Terms at any time without notifying users when deemed necessary.

Article 10 (Governing Law and Jurisdiction)

These Terms shall be governed by Japanese law. Any dispute regarding the Service shall be subject to the exclusive jurisdiction of the court having jurisdiction over the operator's head office location.

Established: April 24, 2026