/* 22 · Next-chapter floating button */
.next-fab{position:fixed;right:clamp(16px,2.6vw,34px);bottom:clamp(16px,2.6vw,34px);z-index:60;
  width:46px;height:46px;border-radius:50%;
  appearance:none;-webkit-appearance:none;cursor:pointer;
  border:2px solid var(--ink,#211D1A);background:var(--cream-high,#FAFAF8);
  color:var(--ink,#211D1A);font:600 19px/1 var(--tri-ui,'Pretendard',sans-serif);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 16px rgba(33,29,26,.16);
  transition:background .18s ease,color .18s ease,transform .18s ease}
.next-fab:hover{background:var(--sage,#5F7052);border-color:var(--sage,#5F7052);
  color:var(--cream-high,#FAFAF8);transform:translateY(2px)}
body.booking-page-open .next-fab{display:none}
@media (prefers-reduced-motion:reduce){.next-fab{transition:none}.next-fab:hover{transform:none}}