Notation based on the Specified Commercial Transaction Act

The following disclosures are made in accordance with Japan's Act on Specified Commercial Transactions.

Seller	cactuz Inc.
Managing Director	Itaru Watanabe
Address	2-24-13 Chuo-cho, Meguro-ku, Tokyo 152-0001, Japan
E-Mail	info@thelesson.jp
Email Address	info@thelesson.jp
Website	https://thelesson.jp
Sales Price	The price displayed on each lesson page (tax included).
Additional Fees	For overseas delivery of the printed textbook, an international shipping fee of JPY 1,500 (tax included) will be added. No other additional fees apply.
Payment Methods	Credit card (VISA, Mastercard, JCB, American Express), Apple Pay, Google Pay.
Payment Timing	Payment is processed immediately upon completion of the purchase.
Delivery Timing	Digital content (online lessons): Available immediately after payment is completed. Printed textbook: Shipped within 7 business days after the order is confirmed.
Returns and Refunds	A 7-day refund guarantee is provided from the date of purchase. Refund requests can be submitted from the My Page section within this period. After the refund period has ended, returns and refunds cannot be accepted due to the nature of digital content.
System Requirements	Available on the latest versions of major web browsers (Google Chrome, Safari, Microsoft Edge, etc.) for PC, smartphone, and tablet.
Purchase Limit	Each lesson may be purchased only once per account.

The following disclosures are made in accordance with Japan's Act on Specified Commercial Transactions.

Seller	cactuz Inc.
Managing Director	Itaru Watanabe
Address	2-24-13 Chuo-cho, Meguro-ku, Tokyo 152-0001, Japan
E-Mail	info@thelesson.jp
Email Address	info@thelesson.jp
Website	https://thelesson.jp
Sales Price	The price displayed on each lesson page (tax included).
Additional Fees	For overseas delivery of the printed textbook, an international shipping fee of JPY 1,500 (tax included) will be added. No other additional fees apply.
Payment Methods	Credit card (VISA, Mastercard, JCB, American Express), Apple Pay, Google Pay.
Payment Timing	Payment is processed immediately upon completion of the purchase.
Delivery Timing	Digital content (online lessons): Available immediately after payment is completed. Printed textbook: Shipped within 7 business days after the order is confirmed.
Returns and Refunds	A 7-day refund guarantee is provided from the date of purchase. Refund requests can be submitted from the My Page section within this period. After the refund period has ended, returns and refunds cannot be accepted due to the nature of digital content.
System Requirements	Available on the latest versions of major web browsers (Google Chrome, Safari, Microsoft Edge, etc.) for PC, smartphone, and tablet.
Purchase Limit	Each lesson may be purchased only once per account.