/* ==========================================================
   Lumière 公式HP  —  style.css
   ========================================================== */
:root {
  --bg-outer: #EFEAE0;
  --bg-base: #F8F5EF;
  --white: #fff;
  --gold: #B89A6A;
  --gold-dark: #9B7E4E;
  --gold-price: #8A6D3F;
  --line: #DCCFB6;
  --bar: #EDE4D3;
  --c-line: #06C755;
  --c-hpb: #EE5A24;
  --f-en: "Cormorant Garamond", serif;
  --f-serif: "Noto Serif JP", serif;
  --f-sans: "Noto Sans JP", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg-outer);
  font-family: var(--f-sans);
  font-size: 13px;
  line-height: 1.8;
  color: #222;
}
img { max-width: 100%; display: block; }
a { color: var(--gold-dark); }
a:hover { color: #7a6238; }
section[id] { scroll-margin-top: 72px; }

.page {
  max-width: 680px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--bg-base);
  box-shadow: 0 0 60px rgba(0, 0, 0, .06);
}

/* ---------- 1. ヘッダー ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(248, 245, 239, .95);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
}
.header__logo img { height: 40px; width: auto; }
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 22px;
  height: 22px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  /* タップ領域を広げる */
  position: relative;
}
.hamburger::before { content: ""; position: absolute; inset: -11px; }
.hamburger span {
  display: block;
  height: 1px;
  background: #222;
  transition: transform .2s ease, opacity .2s ease;
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.nav {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  display: grid;
  grid-template-rows: 0fr;
  background: rgba(248, 245, 239, .98);
  transition: grid-template-rows .2s ease;
}
.nav.is-open { grid-template-rows: 1fr; border-bottom: 1px solid var(--line); }
.nav__list {
  overflow: hidden;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav__list a {
  display: block;
  padding: 14px 20px;
  border-top: 1px solid var(--line);
  font-family: var(--f-serif);
  font-size: 14px;
  letter-spacing: .1em;
  color: #222;
  text-decoration: none;
  transition: opacity .15s;
}
.nav__list a:hover { opacity: .85; color: #222; }

/* ---------- 2. ヒーロー ---------- */
.hero {
  position: relative;
  margin: 0 20px;
  height: min(70vh, 560px);
  border-radius: 4px;
  overflow: hidden;
  /* 仮：実写真に差し替え → background: url(../assets/hero.jpg) center/cover; */
  background: linear-gradient(160deg, #e9e1d3, #d7cbb6);
}
.hero__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: #8a7a5f;
  letter-spacing: .1em;
}
.hero__text {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 28px 22px;
  background: linear-gradient(transparent, rgba(248, 245, 239, .96) 60%);
}
.hero__label {
  font-family: var(--f-en);
  font-size: 13px;
  letter-spacing: .3em;
  color: var(--gold);
}
.hero__title {
  margin: 8px 0 10px;
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: 27px;
  line-height: 1.4;
  color: #222;
}
.hero__lead { margin: 0; font-size: 13px; line-height: 1.8; color: #555; }

/* ---------- ボタン共通 ---------- */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  text-decoration: none;
  transition: opacity .15s;
}
.btn:hover { opacity: .85; }
.btn--line { background: var(--c-line); color: #fff; font-weight: 700; }
.btn--hpb { background: var(--c-hpb); color: #fff; font-weight: 700; }
.btn--tel { border: 1px solid var(--gold); color: var(--gold-dark); font-weight: 500; }
.btn--line:hover, .btn--hpb:hover { color: #fff; }
.btn--tel:hover { color: var(--gold-dark); }

/* ---------- 3. ヒーロー直下CTA ---------- */
.cta { display: flex; gap: 10px; padding: 18px 20px 8px; }
.cta .btn { flex: 1; height: 48px; font-size: 13px; }

/* ---------- 4. 初回限定キャンペーン ---------- */
.campaign {
  margin: 22px 20px 0;
  border: 1px solid var(--gold);
  padding: 22px 18px;
  text-align: center;
  background: #fff;
}
.campaign__en {
  font-family: var(--f-en);
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--gold);
}
.campaign__title {
  margin: 8px 0 14px;
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 19px;
  line-height: 1.8;
  color: #222;
}
.campaign__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.campaign__grid li { padding: 12px 4px; background: var(--bg-base); }
.campaign__name { font-size: 11px; color: #777; }
.campaign__price {
  margin-top: 6px;
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: 21px;
  line-height: 1.1;
  color: var(--gold-price);
}
.yen { font-size: 12px; font-weight: 500; color: #555; margin-left: 1px; }

/* ---------- セクション共通 ---------- */
.section { padding: 48px 20px 0; }
.section--price { padding-top: 44px; }
.sec-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 0;
  font-weight: 400;
}
.sec-title::before, .sec-title::after {
  content: "";
  flex: 0 0 36px;
  height: 1px;
  background: var(--gold);
}
.sec-title__ja {
  font-family: var(--f-serif);
  font-size: 16px;
  letter-spacing: .1em;
  color: #222;
}
.sec-title__en {
  font-family: var(--f-en);
  font-size: 14px;
  letter-spacing: .2em;
  color: var(--gold);
}
.sec-title__en--solo { font-size: 16px; color: #222; }

/* ---------- 5. 料金メニュー ---------- */
.menu-group { margin-top: 26px; }
.menu-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  padding: 10px 14px;
  background: linear-gradient(90deg, #EDE4D3, #F8F5EF);
  font-weight: 400;
}
.menu-group__en {
  font-family: var(--f-en);
  font-size: 24px;
  letter-spacing: .06em;
  color: #222;
}
.menu-group__bar { width: 1px; height: 14px; background: var(--gold); align-self: center; }
.menu-group__ja { font-size: 13px; color: #555; }
.menu-list { margin: 0; padding: 0; list-style: none; }
.menu-list li {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}
.menu-name {
  font-family: var(--f-serif);
  font-size: 15px;
  line-height: 1.5;
  color: #222;
}
.menu-name small { font-size: 11px; color: #777; margin-left: 4px; }
.menu-price { text-align: right; flex: none; }
.menu-price__num {
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: 19px;
  line-height: 1;
  letter-spacing: .02em;
  color: #222;
}
.badge-first {
  display: inline-block;
  margin-top: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--gold);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.8;
}
.price-note { margin: 14px 0 0; font-size: 11px; color: #888; line-height: 1.7; }

/* ---------- 6. 施術の流れ ---------- */
.flow { margin: 24px 0 0; padding: 0; list-style: none; }
.flow li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.flow__num { font-family: var(--f-en); font-size: 30px; line-height: 1; color: var(--gold); }
.flow__title { font-family: var(--f-serif); font-size: 15px; color: #222; }
.flow__desc { margin-top: 4px; font-size: 12px; line-height: 1.7; color: #666; }

/* ---------- 7. 店舗情報 ---------- */
.map {
  margin-top: 22px;
  height: 180px;
  background: #E4DED2;
}
.map iframe { display: block; width: 100%; height: 100%; border: 0; }
.info {
  margin: 18px 0 0;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px 10px;
  font-size: 13px;
  line-height: 1.7;
}
.info dt { color: var(--gold-dark); }
.info dd { margin: 0; color: #333; }

/* ---------- 8. Instagram ---------- */
.insta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-top: 20px;
}
.insta-grid > * { aspect-ratio: 1; display: block; transition: opacity .15s; }
.insta-grid > a:hover { opacity: .85; }
.insta-grid img { width: 100%; height: 100%; object-fit: cover; }
.insta-account {
  margin-top: 14px;
  text-align: center;
  font-size: 12px;
  letter-spacing: .1em;
}
.insta-account a { color: var(--gold-dark); text-decoration: none; }

/* ---------- 9. フッター ---------- */
.footer {
  margin-top: 48px;
  padding: 36px 20px 110px; /* 下部は固定バー分 */
  background: #fff;
  text-align: center;
  border-top: 1px solid var(--line);
}
.footer__mark { width: 56px; margin: 0 auto; }
.footer__word {
  margin-top: 6px;
  font-family: var(--f-en);
  font-size: 26px;
  line-height: 1.8;
  letter-spacing: .2em;
}
.footer__info { margin: 14px 0 0; font-size: 11px; line-height: 1.8; color: #888; }
.footer__copy { margin-top: 18px; font-size: 10px; color: #aaa; }

/* ---------- 10. 固定フッターバー ---------- */
.fixed-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10;
  max-width: 680px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  padding: 10px 12px;
  padding-bottom: calc(10px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, .95);
  border-top: 1px solid var(--line);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.fixed-bar .btn { height: 46px; font-size: 12px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* ---------- 4b. 初回限定キャンペーン 視認性アップ ---------- */
.campaign {
  border: 2px solid var(--gold-dark);
  padding: 0 0 14px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(138, 109, 63, .16);
}
.campaign__en {
  padding-top: 14px;
  background: var(--gold-dark);
  color: #fff;
  opacity: 1;
}
.campaign__title {
  margin: 0 0 14px;
  padding: 2px 0 12px;
  background: var(--gold-dark);
  color: #fff;
  font-weight: 600;
  font-size: 22px;
  letter-spacing: .08em;
}
.campaign__grid { padding: 0 12px; }
.campaign__grid li {
  padding: 14px 2px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold-dark);
}
.campaign__name { font-size: 13px; font-weight: 600; color: #333; }
.campaign__price {
  font-weight: 700;
  font-size: clamp(22px, 6.4vw, 28px);
  color: #6E5226;
}
.campaign__price .yen { font-size: 13px; color: #333; }