sakutto

Terms of Service

Miroku Inc.("the Company") establishes these Terms of Service (the "Terms") in connection with the operation of the website "sakutto" (https://sakutto.ai, the "Service"). All members (as defined in Article 3; the "Members") using the Service agree to these Terms and use the Service in accordance with them.

Article 1 (The Service)

Through the Service, the Company provides Members with the opportunity to use various online utility tools for file format conversion, including tools for PDF, images, text, and other files (collectively, the "Tools").

Article 2 (Definitions)

The following terms used in these Terms shall have the meanings set forth below.

  1. "Content" means the software, screen displays, text, images, audio, designs, and all other expressions and information of the Tools that the Company provides to Members through the Service.
  2. "User Input Data" means any files, text, numerical values, and other information that a Member inputs or uploads in the course of using the Tools.
  3. "External Authentication Service" means any social login or similar authentication service provided by a third party, such as Google.
  4. "External Platform" means any website or online service operated by a third party that is integrated with the Service or to which a Member may be directed from the Service.

Article 3 (Account Registration)

  1. Any person wishing to use the Service may become a Member and use the Service by agreeing to these Terms, registering certain information designated by the Company (the "Account Information") through the methods designated by the Company, and using such registered Account Information. Upon registration as a Member, a service agreement governed by these Terms is formed between the Member and the Company, and the Member is deemed to have accepted all provisions of these Terms.
  2. Members agree to receive from the Company, in connection with registration and use of the Service, various communications and notices by email and other means.
  3. The Company may refuse an application for registration, or may cancel a Member's account after registration if the applicant or Member is found to fall under any of the following. The Company shall bear no responsibility for any such refusal or cancellation and shall have no obligation to disclose the reasons.
    1. The Company determines that the applicant is likely to breach these Terms;
    2. All or part of the registered information is found to be false, mistaken, or incomplete;
    3. The name used at registration is not the applicant's real name;
    4. The applicant has previously had their registration cancelled or otherwise been subjected to disciplinary action in connection with the Service or other services operated by the Company;
    5. The applicant is a minor, an adult ward, a person under curatorship, or a person under assistance, and has not obtained the consent of their legal representative, guardian, curator, or assistant;
    6. A single Member is found to hold multiple accounts;
    7. The Company determines that the applicant has engaged in, or is likely to engage in, acts that may cause harm to the Company, other Members, or third parties;
    8. The Company determines that the applicant has interfered, or is likely to interfere, with the operation of the Service;
    9. The Member has died, or has been subject to a judicial decision for adult guardianship, curatorship, or assistance;
    10. There has been no use of the Service for six months or more, and the Member has not responded to communications from the Company;
    11. The Company determines that the applicant is an antisocial force (including organized crime groups, their members, right-wing organizations, or any other equivalent persons; the "Antisocial Forces"), or that the applicant has any form of involvement with or contribution to Antisocial Forces through the provision of funds or otherwise;
    12. Any other case in which the Company determines that registration as a Member is not appropriate.

Article 4 (Disclaimer and No Warranty)

  1. The Company makes no express or implied warranty that the Service and the Content are free from factual or legal defects (including defects relating to safety, reliability, accuracy, completeness, validity, fitness for a particular purpose, security, errors or bugs, infringement of rights, and similar matters). The Company bears no obligation to eliminate such defects in providing the Service or the Content.
  2. The Company shall not be liable for any damages incurred by Members in connection with the Service. However, this disclaimer shall not apply where the agreement between the Company and the Member concerning the Service (including these Terms) constitutes a consumer contract under the Consumer Contract Act of Japan.
  3. Even in the case described in the proviso of the preceding paragraph, the Company shall bear no liability for damages arising from special circumstances (including cases where the Company or the Member foresaw or could have foreseen the occurrence of such damages) resulting from non-performance of obligations or tort caused by the Company's negligence (excluding gross negligence). Furthermore, even where the Company is liable for damages to a Member due to the application of the Consumer Contract Act or for any other reason, the Company's liability shall in all cases — regardless of whether the Member is a paid Member — be limited to the total amount of paid service fees received during the three months preceding the event giving rise to the damages.

Article 5 (Password and Account Management)

  1. Members shall, at their own responsibility, properly manage and safeguard their password and account for the Service, and shall not allow any third party to use them or to lend, transfer, change the name on, or sell them.
  2. Members shall bear responsibility for any damage arising from inadequate management of passwords or accounts, errors in use, use by third parties, or similar causes, and the Company shall bear no responsibility whatsoever.
  3. If a Member becomes aware that their password or account has been stolen or used by a third party, the Member shall immediately notify the Company and follow the Company's instructions.

Article 6 (Copyright)

  1. All copyrights and other intellectual property rights in the Content belong to the Company or to third parties that have granted rights to the Company, and the license to use the Service does not grant to Members any right to use the Content beyond the scope set forth in these Terms.
  2. All copyrights and other intellectual property rights in User Input Data that a Member inputs or uploads when using the Tools shall belong to the relevant Member or to third parties that have granted rights to such Member, and shall not be transferred to the Company under these Terms. However, the Member grants the Company a license to use the User Input Data to the extent necessary for providing, maintaining, and improving the Service.
  3. Members represent and warrant to the Company that they hold lawful rights to use and submit the User Input Data, and that the User Input Data does not infringe the rights of any third party.

Article 7 (Prohibited Acts)

In using the Service, Members shall not engage in any of the following acts, or any acts that the Company determines fall under any of the following.

  1. Acts that infringe the intellectual property rights, portrait rights, privacy rights, reputation, or other rights or interests of the Company or any third party;
  2. Acts that use Content beyond the forms of use contemplated by the Service (including acts of copying, transmitting, translating, modifying, reprinting, processing, redistributing, or selling Content);
  3. Acts related to criminal conduct or contrary to public order and morals;
  4. Acts of transmitting obscene information or information harmful to minors;
  5. Acts aimed at meeting persons of the opposite sex with whom the Member is not acquainted;
  6. Acts that violate laws and regulations, or the internal rules of industry associations to which the Company or a Member belongs;
  7. Acts of transmitting information containing computer viruses or other harmful computer programs;
  8. Acts of transmitting data exceeding a certain data volume designated by the Company through the Service, or of placing excessive load on the Company's servers or other systems (including automated bulk request sending, unauthorized scraping, and excessive concurrent access);
  9. Acts that may interfere with the operation of the Service;
  10. Acts of impersonating a third party;
  11. Acts of using the account of another Member;
  12. Commercial advertising, solicitation, or promotional acts on the Service that the Company has not consented to in advance, acts of re-providing the paid features of the Service to third parties for a fee, or any other acts that the Company determines to be inappropriate.

Article 8 (Usage Limits and Anti-Abuse Measures)

  1. For free usage, the Company may, in order to ensure fair provision of the Service and prevent abuse, set reasonable usage limits per tool. Specific limit values shall be published on the pricing page.
  2. When such limits are exceeded, the Company may refuse additional usage, return error responses, or take other necessary restrictive measures against the user concerned.
  3. For the purpose of usage tracking and abuse detection, the Company collects communication identifiers (such as identifiers contained in access logs) and session-identification cookies. The handling of such information is governed by the Privacy Policy.
  4. If the Company detects circumvention of usage limits, access by automated means, or any other acts deemed to constitute abuse, it may require additional authentication procedures or refuse access.
  5. Retention periods and other handling of identification information collected under this Article shall be as set forth in the Privacy Policy.

Article 9 (Suspension of the Service)

The Company may suspend or interrupt all or part of the provision of the Service without prior notice to Members in any of the following cases.

  1. When system inspection or maintenance of the Service is performed on a regular or emergency basis;
  2. When computers, telecommunications lines, or the like are stopped due to an accident;
  3. When operation of the Service becomes impossible due to force majeure such as fire, power outage, or natural disaster;
  4. When failure occurs in an External Authentication Service or External Platform and the Service is affected;
  5. Any other case where the Company determines that suspension or interruption is necessary.

Article 10 (Changes and Termination of the Service)

The Company may change the content of the Service or terminate the provision of the Service at its discretion. If the Company terminates provision of the Service, the Company shall notify Members in advance. The Company shall bear no liability for any damages incurred by Members as a result of changes to or termination of the Service.

Article 11 (Changes to the Terms)

The Company may change the content of these Terms when it determines such change is necessary. When changing the content of these Terms, the Company shall notify Members of the changed content in advance by sending notice or posting on the Service. If, after such notice or announcement, a Member uses the Service or fails to complete withdrawal procedures within the period designated by the Company, the Member shall be deemed to have consented to the changes to these Terms.

Article 12 (Withdrawal)

Members may withdraw from the Service by completing the withdrawal procedures designated by the Company. If, at the time of withdrawal, the Member owes any obligation to the Company, the Member shall lose the benefit of time for all such obligations as a matter of course and shall immediately pay all obligations owed to the Company.

Article 13 (Notices)

Communications and other notices from the Company to Members concerning the Service shall be made through methods designated by the Company.

Article 14 (Handling of Personal Information)

The Company's handling of Members' personal information shall be governed separately by the Company's Privacy Policy (https://sakutto.ai/privacy), and Members consent to the Company's handling of their personal information in accordance with such Privacy Policy.

Article 15 (Assignment of Position, etc.)

  1. Members may not assign, transfer, pledge, or otherwise dispose of their position under these Terms or all or part of their rights and obligations under these Terms to any third party without the Company's prior written consent.
  2. If the Company transfers the business related to the Service to another company, the Company may assign, together with such business transfer, its position under these Terms, rights and obligations under these Terms, and the Members' registration information and other customer information to the transferee of such business transfer, and Members hereby consent in advance to such assignment.

Article 16 (Severability)

Even if any provision of these Terms, or any part thereof, is held to be invalid or unenforceable under the Consumer Contract Act or any other laws or regulations, the remaining provisions of these Terms and the remaining portion of the provision that has been held to be invalid or unenforceable in part shall continue to have full force and effect.

Article 17 (Governing Law and Jurisdiction)

  1. These Terms shall be governed by and construed in accordance with the laws of Japan.
  2. Any disputes arising out of or in connection with these Terms or the Service shall be submitted to the exclusive jurisdiction of the Tokyo District Court as the court of first instance.

Last updated: April 30, 2026

The Japanese version of these Terms of Service is authoritative. Other language versions are provided for reference only; in case of any conflict, the Japanese version shall prevail.