PARIS — Dior is setting sail with a new-look Dioriviera line this summer, marking Jonathan Anderson ’s first beach collection since taking over as creative director of the house last year. The French fashion house began rolling out the line last week in concept stores and resort locations, and it will eventually be available in 19 destinations worldwide, ranging from the brand’s historic flagship on Avenue Montaigne in Paris to seasonal pop-ups and pop-ins from Saint-Tropez to Seoul. Drawing inspiration from the work of Christian Bérard, the illustrator who was a close friend of founder Christian Dior , the house has developed a series of patterns that feature on everything from store displays to tableware. The Dioriviera presentation at the Dior Taichung boutique in Taiwan. Courtesy of Dior Boats in varying sizes, their sails decorated with bows and stripes, are a recurring motif.…