/* Apple-like global nav (desktop mega menu + mobile hamburger) */
:root{
  --nav-bg: #ffffff;
  --nav-border: rgba(15,23,42,.08);
  --nav-shadow: 0 1px 0 rgba(15,23,42,.06);
  --nav-text: #475569;
  --nav-text-strong: #0f172a;
  --nav-accent: #14b8a6;
  --nav-radius: 18px;
  --nav-max: 1100px;
  --nav-h: 64px;
}

/* global anchor scroll behavior (site-wide) */
html { scroll-behavior: smooth; }
/* prevent fixed header from covering anchor headings */
[id]{ scroll-margin-top: calc(var(--nav-h) + 24px); }

/* bar */
.nav-apple{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: var(--nav-bg);
  border-bottom: 1px solid var(--nav-border);
  box-shadow: var(--nav-shadow);
}
.nav-apple__inner{
  height: var(--nav-h);
  max-width: var(--nav-max);
  margin: 0 auto;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-apple__brand{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--nav-text-strong);
}
.nav-apple__dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--nav-accent);
  box-shadow: 0 0 0 6px rgba(20,184,166,.12);
}
.nav-apple__title{
  font-family: 'Montserrat', sans-serif;
  letter-spacing: .18em;
  font-weight: 500;
  font-size: 14px;
}

/* links */
.nav-apple__links{
  display: none;
  gap: 10px;
  align-items: center;
}
.nav-apple__a,
.nav-apple__btn{
  color: var(--nav-text);
  font-size: 12px;
  letter-spacing: .12em;
  padding: 10px 12px;
  border-radius: 999px;
  text-decoration: none;
  transition: background .2s ease, color .2s ease;
  white-space: nowrap;
}
.nav-apple__ddTrigger{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  user-select: none;
}
.nav-apple__a:hover,
.nav-apple__btn:hover{
  background: rgba(2,132,199,.08);
  color: #0369a1;
}
.nav-apple__btn{
  background: transparent;
  border: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.nav-apple__chev{
  font-size: 12px;
  opacity: .8;
}

/* desktop utilities */
.nav-apple__right{
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-apple__more{
  display: none;
  position: relative;
}
.nav-apple__moreBtn{
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(15,23,42,.08);
  background: #ffffff;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease;
}
.nav-apple__moreBtn:hover{ background: rgba(20, 184, 166, 0.08); transform: translateY(-1px); }
.nav-apple__moreMenu{
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 180px;
  padding: 10px;
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid rgba(15,23,42,.08);
  box-shadow: 0 18px 40px rgba(2,6,23,.12);
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}
.nav-apple__more.is-open .nav-apple__moreMenu{
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.nav-apple__moreItem{
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  text-decoration: none;
  color: #334155;
  font-size: 13px;
}
.nav-apple__moreItem:hover{ background: rgba(2,132,199,.08); }

/* mega menu */
.nav-item{
  position: relative;
}
.nav-item.has-dd{
  position: relative;
}
.nav-dd{
  position: absolute;
  left: 50%;
  top: calc(100% + 6px);
  --dd-y: -6px;
  transform: translate(-50%, var(--dd-y));
  width: min(var(--nav-max), calc(100vw - 24px));
  border-radius: var(--nav-radius);
  border: 1px solid rgba(15,23,42,.08);
  background: #ffffff;
  box-shadow: 0 30px 70px rgba(2,6,23,.12);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 9999;
  will-change: opacity, transform;
  transition: opacity 220ms ease, transform 260ms ease, visibility 0s linear 260ms;
}
.nav-item.is-open .nav-dd{
  opacity: 1;
  --dd-y: 0px;
  visibility: visible;
  pointer-events: auto;
  transition: opacity 220ms ease, transform 260ms ease, visibility 0s;
}

/* PC only: dropdown visibility is hover-only (stop ghost panels) */
@media (min-width: 768px) and (hover: hover) and (pointer: fine){
  /* wrap is the positioning context */
  .nav-apple [data-nav="dd-wrap"]{
    position: relative;
  }
  /* hover bridge: prevent close while moving into the panel (gap under trigger) */
  .nav-apple [data-nav="dd-wrap"]::after{
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 18px;
  }

  /* panel is always closed by default */
  .nav-apple [data-nav="dd-panel"]{
    position: absolute !important;
    top: calc(100% + 6px) !important;
    left: 0 !important;
    transform: translate(0, var(--dd-y)) !important;
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    --dd-y: -3px;
    max-width: calc(100vw - 24px) !important;
    box-sizing: border-box;
    z-index: 9999 !important;
  }

  /* kill switch: force-close beats :hover */
  .nav-apple[data-nav-force-close] [data-nav="dd-panel"]{
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
  }

  /* open only on hover (no :focus-within) */
  .nav-apple [data-nav="dd-wrap"]:hover [data-nav="dd-panel"],
  .nav-apple [data-nav="dd-wrap"]:has([data-nav="dd-panel"]:hover) [data-nav="dd-panel"]{
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    --dd-y: 0px;
  }

  /* right edge: last 2 dropdowns open from right */
  .nav-apple__links > *:nth-last-child(-n+2) [data-nav="dd-panel"],
  .nav-apple [data-nav="dd-wrap"]:nth-last-child(-n+2) [data-nav="dd-panel"]{
    left: auto !important;
    right: 0 !important;
    transform: translate(0, var(--dd-y)) !important;
  }
  /* same intent, more robust when mixed node types exist */
  .nav-apple [data-nav="dd-wrap"]:nth-last-of-type(-n+2) [data-nav="dd-panel"]{
    left: auto !important;
    right: 0 !important;
  }

  /* clip prevention */
  .nav-apple,
  .nav-apple__links{
    overflow: visible !important;
  }

  /* ===== FIX: panel width auto-fit (reduce empty space) ===== */
  .nav-apple [data-nav="dd-panel"]{
    /* 中身に合わせて縮む（余白を減らす） */
    width: max-content;
    width: fit-content;

    /* ただし画面からはみ出さない */
    max-width: calc(100vw - 24px);

    /* 小さくなりすぎて縦長崩壊しない最低幅（必要なら後で調整） */
    min-width: 360px;

    box-sizing: border-box;
  }

  /* TRAVEL / ACCESS: keep enough width for 2-column layout (PC only) */
  .nav-apple [data-dd="travel"] [data-nav="dd-panel"],
  .nav-apple [data-dd="access"] [data-nav="dd-panel"]{
    min-width: 520px;
  }

  /* ===== FIX: all dropdown labels to 2-line layout (PC only) =====
     - Prevent text overflow from box (all menus: HOME/TRAVEL/ACCESS/SNS)
     - Main text (Japanese) on top, label (English) on bottom
  */
  .nav-apple [data-nav="dd-panel"] .nav-apple__megaLink{
    flex-direction: column !important;
    align-items: flex-start !important;
    justify-content: flex-start !important;
    white-space: normal !important;
    overflow: hidden !important;
    padding: 10px 14px !important;
  }

  .nav-apple [data-nav="dd-panel"] .nav-apple__megaLink > span{
    display: block;
    margin-left: 0 !important;
    padding-right: 0 !important;
    margin-top: 3px;
    text-align: left;
    flex-shrink: 0;
    white-space: nowrap;
  }

  /* 中身側がはみ出した時に折り返せるように保険 */
  .nav-apple [data-nav="dd-panel"] *{
    max-width: 100%;
  }

  /* ===== /FIX ===== */
}

/* safety: hidden attribute must win */
.nav-apple [data-nav="dd-panel"][hidden]{
  display: none !important;
  pointer-events: none !important;
}

.nav-dd-left{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.nav-dd-icon{
  width: 16px;
  height: 16px;
  display: inline-block;
  flex: 0 0 auto;
  color: #0f172a;
  opacity: .85;
}

.nav-apple__megaWrap{
  position: relative;
}
.nav-apple__mega{
  position: static;
  width: auto;
  border: 0;
  background: transparent;
  box-shadow: none;
  padding: 0;
}
.nav-apple__megaGrid{
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 12px;
}
.nav-apple__megaCol{
  background: rgba(248,250,252,.7);
  border: 1px solid rgba(15,23,42,.06);
  border-radius: 14px;
  padding: 12px;
  min-width: 0;
}
.nav-apple__megaTitle{
  font-size: 12px;
  letter-spacing: .12em;
  color: #64748b;
  margin-bottom: 10px;
  white-space: nowrap;
}
.nav-apple__megaLink{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 10px;
  border-radius: 12px;
  text-decoration: none;
  color: #0f172a;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav-apple__megaLink span{
  font-size: 12px;
  color: #64748b;
  font-weight: 500;
  white-space: nowrap;
}
.nav-apple__megaLink:hover{
  background: rgba(20,184,166,.10);
}

/* mobile */
.nav-apple__hamburger{
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(15,23,42,.08);
  background: #ffffff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  -webkit-tap-highlight-color: rgba(20, 184, 166, 0.2);
  touch-action: manipulation;
  transition: background-color 0.2s ease, transform 0.1s ease;
}
.nav-apple__hamburger:hover{
  background: rgba(20, 184, 166, 0.08);
}
.nav-apple__hamburger:active{
  transform: scale(0.95);
}
.nav-apple__hamburgerLines{
  width: 16px;
  height: 10px;
  position: relative;
}
.nav-apple__hamburgerLines::before,
.nav-apple__hamburgerLines::after,
.nav-apple__hamburgerLines span{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: #334155;
  border-radius: 2px;
  transition: transform .18s ease, top .18s ease, opacity .18s ease;
}
.nav-apple__hamburgerLines::before{ top: 0; }
.nav-apple__hamburgerLines span{ top: 4px; }
.nav-apple__hamburgerLines::after{ top: 8px; }

.nav-apple__mobile{
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: #ffffff;
  border-bottom: 1px solid rgba(15,23,42,.08);
  box-shadow: 0 30px 70px rgba(2,6,23,.10);
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
  max-height: calc(100vh - var(--nav-h));
  overflow-y: auto;
  z-index: 9999;
}
.nav-apple__mobile.is-open{
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.nav-apple__mobileInner{
  max-width: var(--nav-max);
  margin: 0 auto;
  padding: 14px 18px 18px;
}
.nav-apple__mobileA{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 12px;
  border-radius: 14px;
  text-decoration: none;
  color: #0f172a;
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
}
.nav-apple__mobileA:hover{ background: rgba(2,132,199,.08); }
.nav-apple__mobileSmall{
  color: #64748b;
  font-weight: 500;
  font-size: 12px;
}
.nav-apple__divider{
  height: 1px;
  background: rgba(15,23,42,.08);
  margin: 10px 0;
}

/* desktop breakpoint (Tailwind md=768px) */
@media (min-width: 768px){
  .nav-apple__links{ display: flex; }
  .nav-apple__more{ display: block; }
  .nav-apple__hamburger{ display: none; }
  .nav-apple__mobile{ display: none; }
  .nav-apple__title{ font-size: 15px; }
  .nav-apple__a,.nav-apple__btn{ font-size: 12px; }
}

/* ===== Hover underline animation (syo-ei.com style) ===== */
.nav-apple__a,
.nav-apple__btn,
.nav-apple__ddTrigger {
  position: relative;
  transition: color 0.3s ease;
}

.nav-apple__a::after,
.nav-apple__btn::after,
.nav-apple__ddTrigger::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background: var(--nav-accent);
  transition: transform 0.3s ease;
}

.nav-apple__a:hover::after,
.nav-apple__btn:hover::after,
.nav-apple__ddTrigger:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-apple__a:hover,
.nav-apple__btn:hover,
.nav-apple__ddTrigger:hover {
  color: var(--nav-accent);
}

/* Dropdown menu links animation */
.nav-apple__megaLink {
  position: relative;
  transition: all 0.3s ease;
}

.nav-apple__megaLink::after {
  content: "";
  position: absolute;
  bottom: 8px;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--nav-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.nav-apple__megaLink:hover::after {
  transform: scaleX(1);
}

.nav-apple__megaLink:hover {
  background: rgba(20, 184, 166, 0.08);
}