Terms of Service for NIHONGO-AI. Please read carefully before using our service.
This service is a learning support tool and does not guarantee any results.
All content and features are provided 'as is' and users agree to use them at their own risk.
Users understand that they must critically verify provided information and make final judgments themselves.
1. These terms apply to all services provided by NIHONGO-AI (the 'Company') (the 'Service').
2. 'Users' refers to all individuals or entities using this service.
3. 'Content' refers to all information including text, images, audio, video, programs, etc.
4. If you cannot agree to these terms, please stop using this service immediately.
1. Registration is completed only when approved by the Company, and we have no obligation to explain approval decisions.
2. We will refuse or delete registration in the following cases:
3. Account management is entirely the user's responsibility, and we will not compensate for damages from unauthorized use.
The following actions will result in immediate account deletion:
1. Prices may change without advance notice, and we have no obligation to notify existing users individually.
2. No refunds after payment completion, except when our gross negligence is clearly proven.
3. For billing errors or duplicate charges, we have no investigation or refund obligations unless proven by users.
4. Services may be suspended without notice for payment delays/failures, and we will not compensate for recovery losses.
5. All taxes and fees are the user's responsibility.
Plan changes are applied immediately upon completion of payment, and the new plan's features and limits become effective instantly. No cancellations or refunds will be made for delays in application due to system failures, etc.
Complete Exemption Clause
1. This service is provided 'as is' without any guarantee of availability, accuracy, or completeness.
2. We do not guarantee learning outcomes, qualification success, employment success, etc., and will not compensate for disappointing results.
3. We are not responsible for AI response accuracy or translation quality; users must verify content.
4. We will not compensate for losses from server failures, maintenance, or external factors.
5. We are not responsible for impacts from third-party services (Stripe, etc.).
6. Blog articles and content are reference information; we do not guarantee practicality or accuracy.
1. All intellectual property rights of this service belong to the Company; users are only granted usage rights.
2. Copying, reproducing, or secondary use of content is prohibited except for personal learning purposes.
3. Legal action and damage claims will be pursued for violations.
4. We own rights to AI-generated content, and commercial use is prohibited.
1. User data handling is defined in our separate Privacy Policy.
2. Responsibility for data loss or leaks is limited to legal minimums; emotional damages are not compensated.
3. No data recovery will be performed upon account deletion.
4. Backing up learning history and settings is the user's responsibility.
1. Users may cancel at any time, but no refunds for paid periods.
2. The Company may terminate service for any reason with 30 days' notice.
3. Accounts will be immediately deleted for terms violations; appeals will not be accepted.
4. No data recovery or refund requests will be honored after deletion.
Complete Limitation of Damage Compensation
1. Our damage compensation liability is limited to the usage fee for the month when damage occurred.
2. Lost profits, emotional damages, indirect damages, special damages, and derivative damages are not compensated.
3. Even for failures affecting multiple users, individual damage compensation will not exceed the above limit.
4. Legal claims must be made within 6 months of damage recognition and within 1 year of occurrence.
5. We bear no responsibility unless our intent or gross negligence is proven.
1. These terms may be changed at our discretion at any time and take effect immediately upon change.
2. Important changes will be notified via website posting; we have no individual notification obligations.
3. If you cannot agree to changes, you must stop using the service; continued use constitutes agreement to changes.
1. If any part of these terms becomes invalid, the effectiveness of other provisions is maintained.
2. Japanese law governs these terms, and Chiba District Court has exclusive jurisdiction.
3. International disputes will also be resolved exclusively under Japanese law and Japanese courts.
This service is a learning support tool. Please treat provided information and features as reference only and always verify content with a critical perspective.
AI and translation features are not perfect. For important decisions, we strongly recommend consulting multiple information sources and experts.
Learning outcomes greatly depend on individual effort, ability, and environment. Using this service alone may not achieve expected results.
Established: January 28, 2025
Last Updated: January 28, 2025
Operator: Natsuki Yamashita (NIHONGO-AI)