Please refer to the following terms and conditions according to the alphabet at the beginning of the product code displayed at the top right of the product page:

For product codes starting with B- or D-:

Travel Terms and Conditions:Domestic Package Tours

https://www.his-j.com/japan-tourist/pdf/terms-conditions/domestic-order-made.pdf

Travel Agency Terms and Conditions:Section of Package Tour Contract

https://www.his-j.com/japan-tourist/pdf/terms-conditions/domestic-package.pdf

For product codes starting with A- or C-:
Please read the "Terms and Conditions" section within "The Experience" on the product page.