Terms of Use

Last updated: June 24, 2026

Chapter 1: General Provisions

Article 1. Definitions

For the purposes of these Terms of Use, the following terms shall have the meanings set out below:

“Terms” means these Terms of Use.
“We,” “us,” or “our” means Japan Duo Notes, the operator of this online store.
“Service” means the online sales service provided by us through the Internet.
“Customer” means a person who places an order for products after understanding and agreeing to these Terms and our Privacy Policy.
“User” means any person who searches, views, purchases, downloads, or otherwise uses the content, products, images, text, designs, logos, videos, programs, ideas, or other information provided through this Service.

Article 2. Application of These Terms

These Terms apply to all use of the Service provided by us through the Internet.

By using the Service, Users and Customers are deemed to have agreed to these Terms.

Article 3. Changes to These Terms

We may change these Terms when we consider it necessary and within the scope of the purpose of the Service.

If a User or Customer uses the Service after these Terms have been changed, the User or Customer shall be deemed to have agreed to the revised Terms.

Chapter 2: Purchase of Products

Article 4. Purchase of Products

Users may purchase products from us through the Service.
Users who wish to purchase products shall place an order in accordance with the procedures specified by us or by the platform used for the sale.
A sales contract between the Customer and us shall be formed when the Customer completes the order process and receives an order confirmation by email or through the platform.
Notwithstanding the preceding paragraph, if any fraudulent, improper, or inappropriate act is found in connection with the use of the Service, we may cancel the order, terminate the sales contract, suspend the transaction, or take other appropriate measures.
Minors may not purchase products through the Service without the prior consent of a legal guardian.

Article 5. Changes to Customer Information

If there is any change to the Customer’s name, address, email address, shipping address, or other information provided at the time of purchase, the Customer shall promptly notify us.

Transactions already processed before such notification may be handled based on the information provided before the change.

Article 6. Payment Methods

The total amount payable by the Customer shall be the product price displayed on the website, together with any applicable taxes, shipping fees, and handling fees.
Payment shall be made using the payment methods specified on the website or by the platform used for the sale.
If payment is made by credit card or debit card, the Customer shall comply with the terms and conditions separately agreed between the Customer and the card issuer or payment provider.
If any dispute arises between the Customer and the card issuer, payment provider, PayPal, Stripe, or any other payment service provider, the Customer shall resolve such dispute directly with the relevant payment service provider.

Article 7. Returns, Refunds, and Cancellations

Returns, refunds, exchanges, and cancellations shall be handled in accordance with our Returns and Refunds Policy and the seller information page displayed on this website.

PDF digital products generally cannot be cancelled, returned, or refunded after purchase, except in cases specified in our Returns and Refunds Policy.

Printed books may be returned, exchanged, or refunded only in accordance with our Returns and Refunds Policy.

Chapter 3: Handling of Personal Information

Article 8. Personal Information

We handle personal information in accordance with our Privacy Policy.

Chapter 4: User Responsibilities

Article 9. Prohibited Acts

Users and Customers shall not engage in any of the following acts when using the Service:

Acts that cause or may cause inconvenience, disadvantage, or damage to other users, third parties, or us.
Acts that infringe or may infringe the copyrights, trademarks, patents, other intellectual property rights, portrait rights, moral rights, privacy rights, publicity rights, or other rights of third parties or us.
Acts that violate public order and morals, laws, regulations, or these Terms.
Acts of using content obtained through the Service beyond the scope of personal use permitted by law.
Acts of copying, reproducing, selling, reselling, publishing, distributing, sharing, uploading, publicly transmitting, translating, editing, modifying, or otherwise using products or content obtained through the Service without our prior permission.
Acts of sharing purchased PDF files, sheet music files, sample files, printed materials, or download links with third parties without authorization.
Acts of removing or altering copyright notices, watermarks, product information, or other rights notices included in our products or content.
Acts that interfere with the operation of the Service or other services provided by us.
Acts that damage or may damage our credibility or reputation.
Acts involving fraud, unauthorized access, misuse of payment methods, chargeback abuse, or improper refund requests.
Any other acts that we reasonably determine to be inappropriate.

Chapter 5: Disclaimers and Limitation of Liability

Article 10. Disclaimers

We shall not be liable for any damage caused to third parties as a result of a User’s or Customer’s violation of these Terms.
We make no guarantee regarding the completeness, accuracy, certainty, usefulness, suitability, or availability of the Service, product descriptions, sample images, sample pages, audio or video previews, or other information provided through the Service.
Product images, sample pages, and previews are provided for reference purposes. The actual product may differ slightly depending on the edition, printing method, device, display environment, or other circumstances.
We shall not be liable for any damage arising from the use of the Service, except where our liability cannot be excluded under applicable law.
If, under applicable consumer protection laws, a provision completely excluding our liability is not enforceable, such provision shall not apply to the extent of such unenforceability.
If we are liable for damages under applicable law, our liability shall be limited to the amount paid by the Customer to us for the relevant transaction, except in cases of intentional misconduct or gross negligence.
For printed products, if the Customer fails or refuses to receive the product, is absent for an extended period, provides an incorrect shipping address, or otherwise cannot receive the product for reasons attributable to the Customer, we shall be deemed to have fulfilled our delivery obligation by shipping the product to the address provided at the time of purchase and by contacting the Customer where reasonably possible.

Chapter 6: Intellectual Property

Article 11. Copyright and Intellectual Property Rights

All content provided through the Service, including sheet music, PDF files, printed books, text, images, designs, logos, videos, audio, product descriptions, sample pages, and other materials, belongs to us or to the rightful owners of such content.

Customers may use purchased products only for personal practice, lessons, study, and performance, unless otherwise expressly permitted.

Unauthorized copying, reproduction, resale, redistribution, sharing, uploading, publication, translation, arrangement, modification, or other use beyond the scope permitted by law is prohibited.

If a dispute arises between a User or Customer and a third party due to a violation of this Article, the User or Customer shall resolve the dispute at their own responsibility and expense and shall not cause any damage, loss, or disadvantage to us.

Chapter 7: Miscellaneous

Article 12. Governing Law

These Terms shall be governed by and interpreted in accordance with the laws of Japan.

Article 13. Consultation and Jurisdiction

If any matter not provided for in these Terms arises, or if any doubt arises regarding the interpretation of these Terms, we and the User or Customer shall discuss the matter in good faith and seek a prompt resolution.

Any dispute arising out of or in connection with these Terms or the Service shall be subject to the exclusive jurisdiction of the court having jurisdiction over our principal place of business in Japan as the court of first instance, unless otherwise required by applicable law.

Article 14. Contact

For inquiries regarding these Terms, products, orders, returns, refunds, or the Service, please contact us through the contact form or customer support information provided on this website.