Article 1 (Purpose)

These Terms of Service (“Terms”) define the conditions for using the engine-sharing platform "Trans4motor Engines" (“Service”) provided by KittPeak Inc. (“the Company”). By signing in, Users are deemed to have agreed to all provisions of these Terms.

Article 2 (Definitions)

1. “User” refers to any individual using the Service.
2. “User Content” refers to all information uploaded, submitted, or stored by the User, including engine data, comments, and images.

Article 3 (Agreement to the Terms)

Users agree to these Terms in full by signing in to the Service. Minors must obtain consent from a legal guardian.

Article 4 (Handling of User Content)

1. The User grants the Company a worldwide, non-exclusive, royalty-free license (including the right to sublicense) to use, reproduce, modify, translate, distribute, and create derivative works from User Content.
2. The User agrees not to exercise any moral rights regarding User Content.
3. Use of trademarks or product names in User Content is at the User’s own responsibility.

Article 5 (Prohibited Conduct)

Users must not engage in the following:
(1) Defamation, hate speech, discriminatory expressions, obscene or offensive content
(2) Uploading engine data created by others and presenting it as their own
(3) Violating laws or infringing upon rights of the Company or third parties
(4) Interfering with Service operations or performing unauthorized access
(5) Any conduct deemed inappropriate by the Company

Article 6 (Actions Against Violations)

The Company may, without prior notice, delete User Content, restrict access, or terminate accounts if violations are found.

Article 7 (Disclaimer)

1. The Company is not responsible for disputes arising between Users or third parties.
2. Except in cases of intentional misconduct or gross negligence, the Company bears no responsibility for damages arising from Service use.

Article 8 (Revisions to the Terms)

The Company may revise these Terms when necessary. Revised Terms take effect upon posting. Continued use constitutes acceptance.

Article 9 (Governing Law and Jurisdiction)

These Terms are governed by Japanese law. Any disputes shall be subject to the exclusive jurisdiction of the Tokyo District Court.

Article 10 (Additional Functionalities)

1. The Service includes engine sharing, search, editing, OGP generation, thumbnail creation, QR code reading, version management, and Apple/Google authentication. Data generated by these features is treated as User Content.
2. Engine IDs, version numbers, and engine specifications are treated as User Content.
3. The Company is not liable for disadvantages caused by notifications or version warnings.

Article 11 (Trademarks and Model Representation Disclaimer)

The Service and related applications reproduce engine mechanisms for educational purposes based on publicly available specifications. They do not replicate exact mechanical designs, dimensions, or appearances. Company names, product names, and engine names displayed within the app are trademarks or registered trademarks of their respective owners. Users are solely responsible for any trademark usage contained in their User Content.