/* ==========================================================
   共通レイアウト：ヘッダー / フッター
   ※ 色はすべて css/common.css の :root 変数を使用
   ※ js/common.js が使う id/class：#common_header、.common_header__toggle、#common_header_drawer、.common_header--lock
   ========================================================== */
html.common_header--lock { overflow: hidden; }

.common_header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: 80px;
  background: rgba(251, 247, 241, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}
@media (max-width: 767px) {
  .common_header { height: 60px; }
}

.common_header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1920px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.common_header__logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text);
}
.common_header__logo img { width: 36px; height: 36px; }
@media (max-width: 767px) {
  .common_header__logo img { width: 30px; height: 30px; }
}
.common_header__logo-text { display: flex; flex-direction: column; line-height: 1.25; }
.common_header__logo-ja { font-family: var(--font-mincho); font-size: 20px; letter-spacing: 0.12em; }
.common_header__logo-en { font-family: var(--font-en); font-size: 11px; letter-spacing: 0.24em; color: var(--color-brand); }
@media (max-width: 767px) {
  .common_header__logo-ja { font-size: 17px; }
}

.common_header__nav { display: none; }
@media (min-width: 1200px) {
  .common_header__nav { display: block; }
}
.common_header__list { display: flex; align-items: center; gap: 36px; }
.common_header__link {
  position: relative;
  font-size: 14px;
  letter-spacing: 0.1em;
  padding-block: 8px;
}
.common_header__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--color-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.common_header__link:hover::after,
.common_header__link[aria-current="page"]::after { transform: scaleX(1); }

.common_header__cta {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 999px;
  background: var(--color-brand);
  color: var(--color-white);
  font-size: 14px;
  letter-spacing: 0.08em;
  transition: background-color 0.3s ease;
}
.common_header__cta:hover { background: var(--color-brand-dark); }

.common_header__toggle {
  position: relative;
  width: 44px;
  height: 44px;
}
@media (min-width: 1200px) {
  .common_header__toggle { display: none; }
}
.common_header__toggle-bar,
.common_header__toggle-bar::before {
  position: absolute;
  left: 11px;
  width: 22px;
  height: 1px;
  background: var(--color-text);
  transition: transform 0.3s ease, top 0.3s ease;
}
.common_header__toggle-bar { top: 21px; }
.common_header__toggle-bar::before { content: ""; top: 7px; left: 0; }
.common_header.is-open .common_header__toggle-bar { transform: rotate(45deg); }
.common_header.is-open .common_header__toggle-bar::before { top: 0; transform: rotate(-90deg); }

.common_header__drawer {
  position: fixed;
  inset: 60px 0 0 0;
  z-index: 99;
  padding: 32px var(--gutter);
  background: var(--color-base);
  overflow-y: auto;
}
.common_header__drawer[hidden] { display: none; }
.common_header__drawer-link {
  display: block;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-line);
  font-family: var(--font-mincho);
  font-size: 18px;
  letter-spacing: 0.1em;
}

/* ---------- フッター ---------- */
.common_footer {
  padding-block: 80px 32px;
  background: var(--color-dark);
  color: var(--color-white);
}
@media (max-width: 767px) {
  .common_footer { padding-block: 56px 24px; }
}
.common_footer__top {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-overlay-white);
}
@media (max-width: 767px) {
  .common_footer__top { flex-direction: column; gap: 36px; }
}
.common_footer__name { margin: 0 0 16px; font-family: var(--font-mincho); font-size: 24px; letter-spacing: 0.12em; }
.common_footer__info { margin: 0; font-size: 13px; line-height: 2; opacity: 0.85; text-align: start; }
.common_footer__list { display: grid; gap: 12px; font-size: 14px; letter-spacing: 0.08em; }
.common_footer__link:hover { opacity: 0.7; }
.common_footer__copy { margin: 32px 0 0; text-align: center; font-size: 12px; letter-spacing: 0.1em; opacity: 0.7; }

/* 画面右側・上下中央の固定ボタン（メニュー／価格／場所） */
body { padding-bottom: 0; }
html { scroll-padding-top: 90px; }
.common_fixed {
  position: fixed; right: 0; top: 50%; z-index: 90;
  display: flex; flex-direction: column; gap: 8px;
  transform: translateY(-50%);
  transition: opacity .6s ease, transform .6s ease;
}
.common_fixed__btn {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  width: 52px; padding: 22px 0;
  background: var(--color-brand);
  border: 0; border-radius: 4px 0 0 4px;
  color: #fff; text-decoration: none;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .22);
  transition: background-color .3s ease, width .25s ease;
}
.common_fixed__btn:hover, .common_fixed__btn:focus-visible { background: var(--color-brand-dark); width: 60px; }
.common_fixed__ja { writing-mode: vertical-rl; font-size: 14px; letter-spacing: .12em; line-height: 1; }
html.kv-dive .common_fixed { opacity: 0; pointer-events: none; transform: translate(40px, -50%); }
@media (max-width: 767px) { .common_fixed__btn { width: 44px; padding: 14px 0; } .common_fixed__btn:hover { width: 44px; } }