Terms of Service

Effective date: November 1, 2024 (prior edition)

Last updated: November 1, 2025

These Terms of Service (these “Terms”) govern your access to and use of the website at https://seigetsu.ai (the “Site”) and any related products and services that reference or link to these Terms (collectively, the “Services” or the “Application”). The Services are operated by Daisuke Yamaguchi. For convenience and for future development, these Terms refer to the operator collectively as “we,” “us,” or “our.” “You” or “your” means the individual or entity accessing or using the Services.

By clicking “accept,” creating an account, or otherwise accessing or using the Services, you agree to be bound by these Terms and enter into a binding contract with us. Our Privacy Policy is provided in a separate document; please read it carefully as it forms part of this contract.

1. Scope of these Terms

1.1 Global application. These Terms apply to users worldwide.

1.2 Local consumer protections. If mandatory consumer protection rules in your jurisdiction (e.g., EEA/EU) grant you additional rights (such as a statutory right of withdrawal), those special rules apply in addition to these Terms.

2. Registration and Access

2.1 Minimum age. You must be at least 13 years old or the minimum age of consent to use online services in your country, whichever is higher. If you are under 18, you may use the Services only with the permission of a parent or legal guardian who has reviewed these Terms with you.

2.2 Account registration. To use certain features, you must provide accurate, complete information and keep it up to date.

2.3 Account security. Do not share your login credentials or allow others to access your account. You are responsible for all activities that occur under your account.

2.4 Acting for others. If you create or use an account on behalf of another person or organization, you represent that you are authorized to bind that person or organization to these Terms.

3. Use of the Services

3.1 Compliance. You may access and use the Services only in compliance with these Terms and all applicable laws, policies, and feature-specific rules presented within the Services.

3.2 Prohibited conduct. You must not:

Use the Services for any unlawful, harmful, or abusive purpose.
Infringe, misappropriate, or violate the rights of others.
Abuse reporting channels or complaint processes (including filing manifestly baseless reports).
Modify, copy, lease, sell, or distribute the Services.
Attempt to discover, reverse engineer, decompile, or derive the source code or underlying components of the Services, algorithms, or systems, except to the extent such restrictions are prohibited by law.
Extract data or outputs by automated or programmatic means contrary to our rate limits or access rules.
Present outputs as human-authored when they are not.
Interfere with or disrupt the Services, including by attempting to circumvent rate limits, security safeguards, or protective measures.
Use outputs from the Services to develop competing models or services.

3.3 Software. The Services may automatically update for functionality and quality improvements. The Services may include open-source software governed by its own licenses.

3.4 Enterprise domains. If you register with an email address owned by an organization (e.g., your employer), your account may be added to that organization’s business account. We may notify you of such migration (unless your organization has already informed you that it may monitor/manage your account). After migration, organization administrators may access your Content (defined below) and manage or restrict your access.

3.5 Third-party services. The Services may include or interoperate with third-party software, products, or services (“Third-Party Services”) and may surface outputs originating from them (“Third-Party Outputs”). Each Third-Party Service/Output may be subject to its own terms. We are not responsible for Third-Party Services or Third-Party Outputs.

3.6 Feedback. We appreciate feedback. You grant us a non-exclusive, transferable, sublicensable, worldwide, royalty-free license to use feedback for operating, maintaining, developing, and improving the Services without restrictions or compensation.

4. Content

4.1 Your Content. You may provide information, data, prompts, or other materials to the Services (“Input”) and receive results generated by the Services (“Output”). Together, Input and Output are “Content.” You are responsible for your Content, including ensuring it complies with law and these Terms, and you represent and warrant that you have all necessary rights, licenses, and permissions to provide the Input.

4.2 Ownership. As between you and us, and to the maximum extent permitted by law: (a) you retain ownership of your Input; and (b) you own your Output. We assign to you any rights, title, and interest we may have in Outputs generated for you, if any.

4.3 Similarity of Content. Due to the nature of generative systems, Outputs may not be unique, and other users may receive similar Outputs. The ownership above does not apply to other users’ outputs or to Third-Party Outputs.

4.4 Use of Content by us.

We do not use your Content to train our models.
We do not disclose your Content to third parties without permission, except to comply with law, enforce these Terms and our policies, or ensure safety and security of the Services.

4.5 Content moderation. We employ automated systems and other measures to detect and address violations of these Terms. If we find a violation, we may remove or restrict content, limit features, or suspend/terminate accounts. To appeal a moderation action, please contact us via the form below.

Contact Form: https://docs.google.com/forms/d/e/1FAIpQLScDI_3mO1tO3oM1lKVD0YIeIhXcgCy8v0nxQU2Jqm-FeEmf5Q/viewform?usp=header

4.6 Accuracy. AI and machine learning are rapidly evolving. Outputs may be probabilistic, incomplete, incorrect, out-of-date, or otherwise unreliable. You agree that:

Outputs are not guaranteed to be correct. Do not rely on them as the sole source of truth or as a substitute for professional advice.
Evaluate Outputs for accuracy and suitability (including human review where appropriate) before using or sharing them.
Do not use Outputs for decisions that may have legal or significant effects on individuals (e.g., credit, education, employment, housing, insurance, legal, medical, or similarly important decisions).
References to third-party products or services in Outputs do not imply endorsement or affiliation.

4.7 Use extensions.

In compatible with Canva app, an extension functionality that run on Canva, you agree not to:

provide medical advice or any content regarding the treatment, prevention, diagnosis or transmission of diseases;
provide legal or financial advice;
generate contracts or legally binding obligations;
generate political content including for dissemination in electoral campaigns;
generate source code;
generate spam, ransomware, keyloggers, viruses or other software;
generate nudity or shocking content including obscene gestures, bodily fluids or other profane subjects;
generate or disseminate information to be used for the administration of justice or other legal purposes; and
implement fully-automated decision making.

5. Intellectual Property in the Services

We and our licensors own all right, title, and interest in and to the Services (including software, systems, interfaces, and other materials), subject only to the limited rights expressly granted to you in these Terms.

6. Paid Accounts

6.1 Subscriptions. Certain features are available through paid subscriptions (“Subscription”) offering enhanced functionality (“Benefits”). The specific Benefits will be disclosed before purchase. You can manage your Subscription in your account settings. We use PayPal for payments; please also review PayPal’s terms for details of payment processing.

6.2 Fees. All fees, including Subscription fees, will be clearly disclosed prior to purchase.

6.3 Billing. You must provide complete and accurate payment information and a valid payment method. For Subscriptions, your payment method will be charged automatically at each renewal until you cancel. If payment fails, we may downgrade, restrict access, suspend, or terminate your account.

6.4 Cooling-off period (EEA/EU consumers). If you are an EEA/EU consumer, you have a 14-day statutory right to withdraw from your purchase without giving any reason. Refunds for Subscriptions will be prorated from the date you request the withdrawal to the end of the then-paid period. To withdraw and request a refund, submit the contact form.

6.5 Cancellations. Except for the EEA/EU cooling-off right above, fees are non-refundable. You may cancel your Subscription at any time in your account settings; no further charges will accrue. You may continue to use Benefits until the end of the paid period. Unless otherwise specified, we do not provide refunds or credits for partial periods after cancellation.

6.6 Price changes. We may change prices from time to time. If we increase your Subscription price, we will provide at least 30 days’ notice, and the increase will take effect at the next renewal. If you do not agree, you may cancel prior to renewal.

7. Termination and Suspension

7.1 Your rights. You may stop using the Services and close your account at any time (start the process from the settings page).

7.2 EEA right of withdrawal. EEA consumers may withdraw from these Terms within 14 days of acceptance by submitting the contact form.

7.3 Our rights. We may restrict, suspend, or terminate your access to the Services or close your account if, acting reasonably and objectively, we determine that:

You violate these Terms (including use policies);
We must do so to comply with law;
Your use poses risk or harm to the Services, our users, or others; or
Your account has been inactive for over one year and you do not hold a paid Subscription.

7.4 Notice. Where appropriate, we will make reasonable efforts to notify you in advance so you can export your Content, unless such notice would be inappropriate, would risk harm, or is prohibited by law.

7.5 Appeals. If you believe we suspended or terminated your account in error, you may appeal via the contact form.

Contact Form: https://docs.google.com/forms/d/e/1FAIpQLScDI_3mO1tO3oM1lKVD0YIeIhXcgCy8v0nxQU2Jqm-FeEmf5Q/viewform?usp=header

8. Our Responsibilities to You

8.1 Standard of care. We will provide the Services with reasonable skill and care.

8.2 Availability. We do not guarantee that the Services will be provided permanently or remain unchanged for any specific period.

8.3 Liability. To the extent we act with reasonable professional care, we are not liable for losses or damages except where: (a) we breach these Terms; and (b) such losses were reasonably foreseeable at the time of contracting. We are not responsible for losses caused by events beyond our reasonable control. We do not exclude or limit liability in ways that would be unlawful. You retain all protections afforded to you by applicable law.

8.4 Statutory rights. You may have legal rights that cannot be excluded or limited by contract (e.g., as a consumer). These Terms do not intend to limit such rights.

8.5 EEA consumer guarantees. If you are an EEA consumer, EEA consumer law may provide statutory warranties that apply to the Services.

8.6 UK consumers. If you reside in the UK and we take action concerning your Content or account that would breach these Terms, you may have rights to bring a claim for breach of contract.

9. Dispute Resolution

9.1 Concerns first. Before formal legal action, we invite you to share your concerns with us so we can try to resolve them.

9.2 Courts. If a dispute cannot be resolved, you or we may bring a claim before the courts of your place of residence (subject to mandatory law).

9.3 EEA out-of-court resolution. EEA residents may also raise disputes with an out-of-court dispute resolution body via the European Commission’s Consumer Redress in the EU platform: https://consumer-redress.ec.europa.eu/index_en.

10. Copyright Infringement Notices

If you believe your intellectual property rights have been infringed, please contact us using the form below. We may remove or disable access to allegedly infringing content and suspend accounts of repeat infringers.

Your written notice must include:

A physical or electronic signature of a person authorized to act on behalf of the rights owner;
Identification of the copyrighted work claimed to have been infringed;
Identification of the material claimed to be infringing and information reasonably sufficient to permit us to locate the material on our Site;
Your address, telephone number, and email address;
A statement that you have a good-faith belief that the disputed use is not authorized by the copyright owner, its agent, or the law; and
A statement that the information in the notice is accurate and, under penalty of perjury, that you are the copyright owner or authorized to act on the owner’s behalf.

Contact Form: https://docs.google.com/forms/d/e/1FAIpQLScDI_3mO1tO3oM1lKVD0YIeIhXcgCy8v0nxQU2Jqm-FeEmf5Q/viewform?usp=header

11. General Terms

11.1 Assignment. You may not assign or transfer your rights or obligations under these Terms. We may assign or transfer our rights or obligations to an affiliate, subsidiary, or successor in connection with the Services or related business, without prejudice to your consumer rights. If you are not satisfied, you may cease using the Services.

11.2 Changes to the Services or these Terms. We continually develop and improve the Services and may update the Services or these Terms from time to time, including to:

Reflect changes in laws or regulations;
Address security or safety needs;
Respond to circumstances beyond our reasonable control;
Implement changes made in the ordinary course of development; or
Adapt to new technologies.

For changes that materially and adversely affect you, we will provide at least 30 days’ notice by email or in-product notice. Changes are not retroactive. If you do not agree, you must stop using the Services.

11.3 No waiver; severability. A delay in enforcing any provision is not a waiver. If any provision is held invalid or unenforceable, the remaining provisions remain in full force and effect.

11.4 Trade compliance. You must comply with all applicable trade laws, including sanctions and export control laws. You may not use the Services for the benefit of, or export/re-export the Services to: (a) any U.S. embargoed country/region; or (b) any person or entity subject to trade restrictions. Do not use the Services for prohibited end uses or include in your Input any information requiring government authorization for export or disclosure.

11.5 Governing law. For consumers, these Terms are governed by the laws of your place of residence, without prejudice to mandatory protections.

Additional governing law for business use appears in Section 12.4.

11.6 Entire agreement. These Terms (including any referenced policies) constitute the entire agreement between you and us regarding the Services and supersede prior or contemporaneous understandings.

11.7 Notices. We may provide notices to your registered email address. You must keep it current.

12. Additional Terms for Business Use

12.1 Commercial use. If you use the Services for commercial or business purposes, this Section 12 applies and prevails in the event of conflict with the rest of these Terms.

12.2 Indemnification. If you are a business or organization, you will indemnify and hold harmless us, our affiliates, and our personnel from and against any third-party claims, losses, liabilities, damages, costs, and expenses (including reasonable attorneys’ fees) arising out of or related to your Content, your use of the Services, or your breach of these Terms, to the extent permitted by law.

12.3 Limitation of liability. To the maximum extent permitted by law, in no event will we, our affiliates, or licensors be liable for any indirect, incidental, special, consequential, punitive, or exemplary damages, or for lost profits, goodwill, data, or use, even if advised of the possibility of such damages. Our aggregate liability arising out of or relating to the Services will not exceed the greater of US$100 or the amounts paid by you for the Services giving rise to the claim during the 12 months preceding the event giving rise to liability. Some jurisdictions do not allow certain exclusions or limitations; where prohibited, the relevant exclusion or limitation will not apply, and our liability will be limited to the maximum extent permitted by law. Our affiliates, suppliers, licensors, and agents are third-party beneficiaries of this Section.

12.4 Governing law and forum (business use). Except to the extent prohibited by applicable law or as otherwise required by Section 9, these Terms and any claims arising out of or relating to them for business use are governed by the laws of Japan, without regard to conflict-of-laws rules. Subject to Section 9, the courts of Japan will have exclusive jurisdiction.

13. Contact

For questions, appeals, withdrawal requests (EEA/EU), copyright notices, or other communications, please contact us via the form below:

Email: info@seigetsu.ai

Contact Form: https://docs.google.com/forms/d/e/1FAIpQLScDI_3mO1tO3oM1lKVD0YIeIhXcgCy8v0nxQU2Jqm-FeEmf5Q/viewform?usp=header

By using the Services, you acknowledge that you have read, understood, and agree to be bound by these Terms.