/* --- Hamburger Drawer (PC/SP 共通) --- */
.nav-drawer {
  position: relative;
}
.nav-drawer > summary {
  list-style: none; /* Safari対策 */
}
.nav-drawer > summary::-webkit-details-marker {
  display: none; /* Safari対策 */
}
.hamburger {
  width: 44px;
  height: 44px;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  cursor: pointer;
  border-radius: 6px;
  user-select: none;
}
.hamburger span {
  width: 30px;
  height: 1px;
  background: #fff;
  display: block;
}
/* 開いた時の見た目（×っぽく） */
.nav-drawer[open] .hamburger span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-drawer[open] .hamburger span:nth-child(2) {
  opacity: 0;
}
.nav-drawer[open] .hamburger span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}
.hamburger span {
  transition: transform .2s ease, opacity .2s ease;
}
/* ==============================
   Hamburger Drawer（PC / SP 共通）
============================== */
/* スクロール禁止（メニュー表示中） */
body.is-scroll-locked {
  overflow: hidden;
}
/* --- ハンバーガー本体 --- */
.nav-drawer {
  position: relative;
}
/* summary のデフォルト矢印を消す（Safari対策） */
.nav-drawer > summary {
  list-style: none;
}
.nav-drawer > summary::-webkit-details-marker {
  display: none;
}
.hamburger {
  width: 44px;
  height: 44px;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  cursor: pointer;
  user-select: none;
}
.hamburger span {
  width: 30px;
  height: 1px;
  background: #c39c55; /* ★ 指定色 */
  display: block;
  transition: transform .2s ease, opacity .2s ease;
}
/* 開いた時（×に変形） */
.nav-drawer[open] .hamburger span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-drawer[open] .hamburger span:nth-child(2) {
  opacity: 0;
}
.nav-drawer[open] .hamburger span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}
/* --- Overlay（背景クリック用） --- */
.drawer-overlay {
  position: fixed;
  inset: 60px 0 0 0; /* header高さ分下 */
  background: rgba(0, 0, 0, .25);
  z-index: 998;
}
/* --- ドロワーメニュー本体 --- */
.drawer {
  position: fixed;
  inset: 60px 0 0 0; /* header高さ分下 */
  background: rgba(233, 228, 217, .98);
  backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  padding: 24px;
  z-index: 999;
}
/* メニューリスト */
.drawer__list {
  list-style: none;
  padding: 0;
  margin: 0;
  width: min(520px, 100%);
  display: grid;
  gap: 14px;
}
.drawer__link {
  display: block;
  text-decoration: none;
  color: var(--text-main);
  border: 1px solid var(--text-main);
  padding: 16px 18px;
  text-align: center;
  font-size: 18px;
  letter-spacing: .04em;
  transition:
    background-color 0.3s ease, color 0.3s ease, opacity 0.3s ease;
}
/* ホバー */
.drawer__link:hover {
  background: var(--dark-navy);
  color: #fff;
  opacity: 1
}
/* --- 閉じている時は非表示 --- */
.nav-drawer:not([open]) .drawer, .nav-drawer:not([open]) .drawer-overlay {
  display: none;
}