AMEXカードを使える = JCBカードを使える
https://www.americanexpress.com/ca/en/content/merchant/your-account/our-cards.html
Millions of American Express Cardmembers from around the world use their Cards virtually wherever and whenever they travel. Accepting American Express allows you to service these Cardmembers and entice them to return to your business. We also support JCB Cards. These Cards are issued by a leading global payments and Credit Card issuer brand in Japan and are seen often in parts of Canada where many of these Cardmembers like to travel. Ensure you are aware of these products and openly welcome them into your business.