About order notes and coupons

1, Where do you write the order notes?

[cart]   from  [order memo]   You can place an order by filling in the desired date of arrival and receipt issuance.

2. Please tell me how to use the coupon.

[cart]  Choose your favorite product from  [check out]   Press to display the payment method selection screen.

available from there  [Coupon code]   Please enter

3.Is it possible to use different coupons together?

Coupons cannot be used together due to the system.