Kindly inquire your credit card company regarding the authorization details about your credit card.
Furthermore, here are some samples of authorization rejections.
・Entered the credit card`s expiration (year & month) vice versa
・Using a expired credit card or close to expiring
・Nonidentical names on the credit card and order
・Over the credit limit .etc,
If you are using "Rakuten Card", please contact Rakuten Card from here
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