Japanese snack giant Calbee, the country's largest crisp and snack maker, has announced it will temporarily replace its colourful packaging with black-and-white designs for 14 of its best-known products, citing supply disruptions caused by the ongoing war involving Iran. The change will take effect from 25 May, with some product lines following in June. Affected items include several potato chip varieties, a breakfast cereal, and Kappa Ebisen — a popular shrimp cracker known for the playful slogan