Terms of Service

Article 1 (Application)

1. These Terms apply to all relationships between Users and the Company relating to use of the Service.
2. The Company may establish guidelines, policies, help content, and other provisions (hereinafter "Individual Rules") in addition to these Terms. Regardless of their name, Individual Rules form part of these Terms.
3. Where these Terms conflict with Individual Rules, the Individual Rules shall take precedence unless they specifically provide otherwise.

Article 2 (Definitions)

In these Terms, the following terms have the meanings set out below:

• "User Content": all information (text, images, metadata, etc.) posted, saved, or uploaded by a User to the Service
• "AI Output": text and other information generated or presented by the AI features of the Service
• "Paid Plan": paid features of the Service provided via in-app purchases (subscriptions, etc.) (e.g., "hinoto plus")

Article 3 (Registration)

1. Registration is completed when an applicant agrees to these Terms through the method specified by the Company, submits a registration application, and the Company approves it.
2. The Company may decline to approve a registration if it determines that any of the following apply (without any obligation to disclose reasons):
   1. The application contains false information
   2. The application is from a person who has previously violated these Terms
   3. The Company otherwise determines the application to be inappropriate

Article 4 (Use by Minors)

1. Persons under 13 years of age may not use the Service.
2. Where a minor (a person who has not reached the age of majority under Japanese law) uses the Service, it is deemed that the consent of a parent or legal guardian has been obtained.
3. Where the Service is used on behalf of a business or organization, the user warrants that they have the legal authority to represent that entity.

Article 5 (Account and Credential Management)

1. Users are responsible for properly managing and safeguarding their accounts, passwords, device locks, and other credentials.
2. The Company shall not be liable for any damages arising from inadequate management of credentials or use by a third party, unless the Company has acted with intent or gross negligence.
3. The Company treats any use of the Service with credentials matching a registered account as use by that User.

Article 6 (Paid Plans, Fees, and Payment)

1. Some features of the Service are paid. Fees, terms, and content are set out in the app or on the Company's website (displayed prices may include consumption tax).
2. Paid Plans are charged through Apple in-app purchases (App Store) or payment methods designated by the Company (e.g., for the web version). Payment terms, billing dates, and receipts are governed by the applicable platform's terms.
3. Subscriptions renew automatically unless the User stops renewal. To stop renewal, follow the applicable platform's procedure (for iOS, use the device settings).
4. The fee for the next period may be charged within 24 hours before the end of the current period.
5. If a free trial is offered, purchasing during the trial period may cancel the remaining trial.
6. Pro-rated or partial refunds at the User's request are not available (except where required by applicable law).

Article 7 (Rights and Handling of User Content)

1. Copyright and other rights in User Content remain with the User.
2. Users grant the Company a non-exclusive, royalty-free, worldwide, sublicensable license to use User Content (including reproduction, storage, temporary processing for machine learning, display, translation, and analysis) to the extent necessary for providing, operating, securing, backing up, troubleshooting, and ensuring legal compliance of the Service.
3. Without the User's explicit consent, the Company will not use User Content with high personal information content (such as journal entries) to train AI models for permanent quality improvement. (Non-personally-identifying data such as statistical usage data and device information may be used for service improvement in accordance with the Privacy Policy.)
4. Users may only post or save content that does not infringe the rights of third parties, and must resolve any disputes at their own cost and responsibility.
5. Users may delete User Content by withdrawing or using the delete function, but content may remain in backups for a certain period due to system constraints (it will be progressively deleted after a reasonable period).

Article 8 (Use of AI Features)

1. The Service provides AI features such as dialogue, summarization, and reflection. AI Output is inference-based and the Company makes no warranty of accuracy, completeness, timeliness, or fitness for purpose.
2. AI Output does not constitute medical, legal, tax, or other professional advice. In particular, it is not a substitute for medical treatment for mental health or other conditions. If you experience symptoms or a crisis, please consult a medical professional, specialist, or emergency contact.
3. Users bear ultimate responsibility for their use, interpretation of, and decisions based on AI Output. The Company shall not be liable for any damages arising from or related to AI Output, unless the Company has acted with intent or gross negligence.
4. Third-party AI services commissioned by the Company may be used within AI features, and the terms and policies of those services may apply (see the Privacy Policy for details).

Article 9 (Prohibited Conduct)

Users must not engage in any of the following when using the Service:

1. Acts that violate laws or public order and morals, or are related to criminal activity
2. Acts that infringe the intellectual property rights, privacy rights, portrait rights, or other rights and interests of the Company or third parties
3. Acts that damage or interfere with the servers, networks, or security of the Service, or attempts to do so
4. Commercial use of information obtained through the Service without the Company's permission (including scraping, crawling, copying, and redistribution)
5. Acts that may obstruct the Company's operations, sending false information, excessive requests, or spam
6. Unauthorized access, reverse engineering, modification, decompilation, data mining, etc.
7. Collecting or accumulating other users' personal information, impersonation, or use of third-party accounts
8. Promotional, advertising, solicitation, or commercial activities not permitted by the Company, or activities aimed at meeting strangers for romantic purposes
9. Providing benefits to or associating with antisocial forces
10. Any other conduct the Company deems inappropriate

Article 10 (Notices and Communications)

1. The Company may give notices to Users through in-app announcements, the website, email, push notifications, or any other method the Company deems appropriate.
2. Users must keep their registered information (email address, etc.) current and reachable, and notices are deemed received at the time the Company sends them.

Article 11 (Suspension and Changes to the Service)

1. The Company may suspend or interrupt all or part of the Service without prior notice to Users in the following circumstances:
   1. System maintenance, inspection, or updates
   2. Natural disasters, power outages, communication failures, platform failures, suspension of third-party services, or other circumstances making provision difficult
   3. Urgent security responses are required
   4. The Company otherwise determines provision to be difficult
2. The Company may change, add, or discontinue the content of the Service with reasonable prior notice to Users.
3. The Company shall not be liable for damages to Users arising from the above, unless the Company has acted with intent or gross negligence.

Article 12 (Restrictions and Account Termination)

1. The Company may, without prior notice, restrict all or part of a User's use or terminate their registration if any of the following apply:
   1. Violation of these Terms
   2. Discovery of false registration information
   3. Failure to pay fees when due
   4. Failure to respond to the Company's communications for a certain period
   5. Long-term inactivity that the Company deems inappropriate
   6. Any other circumstances where the Company deems continued use inappropriate
2. The Company shall not be liable for damages to Users arising from the measures in the preceding paragraph, unless the Company has acted with intent or gross negligence.

Article 13 (Withdrawal)

1. Users may withdraw from the Service through the procedure specified by the Company.
2. Even after withdrawal, provisions relating to violations of these Terms committed prior to withdrawal remain in effect.
3. The handling of User Content after withdrawal is governed by Article 7.

Article 14 (Intellectual Property Rights)

1. All intellectual property rights relating to the Service (programs, designs, logos, databases, text, images, etc.) belong to the Company or persons who have licensed rights to the Company.
2. Users may not reproduce, transmit, adapt, distribute, publish, or otherwise make secondary use of these without the Company's prior permission.
3. Users may use AI Output at their own responsibility, but must do so lawfully and appropriately so as not to infringe third-party rights.

Article 15 (Use of Third-Party Services)

1. The Service may integrate with or depend on third-party services such as Apple and Firebase. The terms and policies of those services apply to such integrations.
2. The Company shall not be liable if all or part of the Service becomes unavailable due to failures, specification changes, or suspension of third-party services.

Article 16 (Disclaimer of Warranties)

1. The Company makes no warranty, express or implied, that the Service is free from defects in fact or in law (including safety, reliability, accuracy, completeness, validity, fitness for a particular purpose, or security).
2. The Company takes reasonable measures to prevent data loss or corruption, but does not guarantee uninterrupted operation, full recovery after failures, or complete preservation of data. Users should make their own backups as needed.

Article 17 (Limitation of Liability)

1. The Company shall not be liable for any damages suffered by Users arising from or related to use of the Service (including use of AI Output), unless the Company has acted with intent or gross negligence.
2. Even if mandatory law such as the Consumer Contract Act limits the above disclaimer in whole or in part, the Company's liability for damages arising from the Company's negligence (excluding gross negligence) shall be capped at the amount of the Paid Plan fee received from the User in the month in which the damage occurred.
3. The Company shall not be liable for special damages, indirect damages, consequential damages, or lost profits.

Article 18 (Exclusion of Antisocial Forces)

Users represent and warrant that they do not constitute and have no involvement whatsoever with antisocial forces, and confirm that this will remain true in the future. If a violation is discovered, the Company may immediately suspend access, terminate the registration, or take other measures.

Article 19 (Changes to These Terms)

1. The Company may change these Terms without the individual consent of Users if any of the following apply:
   1. The change is in the general interest of Users
   2. The change is not contrary to the purpose of the Service agreement and is reasonable in light of necessity, appropriateness, and other circumstances
2. When making changes under the preceding paragraph, the Company will notify Users of the change, its content, and its effective date through the method specified by the Company, before the effective date.

Article 20 (Prohibition on Assignment of Rights)

Users may not assign, transfer, or pledge their position under these Terms or any rights and obligations arising from these Terms to third parties without the prior written (including electronic) consent of the Company. The Company may transfer its position, rights, and obligations under these Terms to a third party in connection with a business transfer, company split, merger, or other corporate reorganization.

Article 21 (Severability)

Even if any provision of these Terms is held invalid or unenforceable, the remaining provisions shall continue in full force and effect.

Article 22 (Governing Law and Jurisdiction)

1. These Terms are governed by Japanese law.
2. In the event of any dispute between the Company and a User regarding the Service, the court having jurisdiction over the Company's registered head office shall be the exclusive court of first instance by agreement.

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