NEW YORK — For the first time in Hayao Miyazaki’s decades-spanning career, the 82-year-old Japanese anime master is No. 1 at the North American box office. Miyazaki’s latest enchantment, “The Boy and the Heron,” debuted with $12.8 million, according to studio estimates.

       “The Boy and the Heron,” the long-awaited animated fantasy from the director of “Spirited Away,” “My Neighbor Totoro” and other cherished anime classics, is only the third anime to ever top the box office in U.S. and Canadian theaters and the first original anime to do so. The film, which is playing in both subtitled and dubbed versions, is also the first fully foreign film to land atop the domestic box office this year.

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       Though Miyazaki’s movies have often been enormous hits in Japan and Asia, they’ve traditionally made less of a mark in North American cinemas. The director’s previous best performer was his last movie, 2013′s “The Wind Rises,” which grossed $5.2 million in its entire domestic run.