The opposite of an ascetic medi-spa, the resort has an easygoing mantra of Rest, Move, Nourish, courtesy of a personal wellness guide who crafts a tailored plan with a staff of consultants. At Sensei by Nobu restaurant, a glossy glass field overlooking a serene fish pond, Nobu Matsuhisa’s menu provides clean but richly satisfying dishes, from Hawaiian pink-snapper tacos to quinoa-flour chocolate croissants. The 96 light-suffused rooms and suites are done up in creamy white, with personal balconies and patios that face the orchid-bedecked grounds. The actions are the star of the show, with a dozen complimentary health, yoga, and…