S P

$('.payment-innovation .item').css('opacity', 0);

$('.payment-innovation .list-block__head').click(function() {
  const $this = $(this);
  const $items = $this.closest('.list-block').find('.item');
  const visible = $this.toggleClass('visible').hasClass('visible');
  const duration = 400;

  $items.each((i, n) => $(n)
    .delay((visible ? i : $items.length - i - 1) * duration)
    .animate({ opacity: +visible }, duration)
  );
}).click();

Сейчас контур выглядит так:

А должен так:

<path class="st0" fill-rule="evenodd" clip-rule="evenodd" d="M266.81.15c-4.5,35.94-12.56,132.35-16.05,176.31l-10.43,13.63v17.63L217.07,223c.15-7.74,1.41-18.56.15-26.47-.82-5.14-2.91-12.18-9.77-11.2-5.17.74-8.15,7.82-8.83,12v32.86c-7.12,8.32-6.6,22.21-3.21,30.45v64.12L181.78,340v59.3C91,441.56,46.53,488.44,27.83,525H-1354" fill="#252525"/>