/* =========================================================
   THE MOUTH — style.css
   Apple × Aesop ミニマルラグジュアリー
   白基調 / 余白多め / ネイビーアクセント / 細罫線
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
  --navy: #1c2b4a;          /* ブランドネイビー（フッター・見出し） */
  --navy-soft: #496e85;     /* ロゴ波線のスチールブルー（フッター背景） */
  --ink: #2b3447;           /* 本文 */
  --ink-light: #6b7280;     /* 補足テキスト */
  --bg: #fbfaf8;            /* ベース背景（わずかに温かい白） */
  --bg-beige: #f4f1ea;      /* News カード等のベージュ */
  --line: #d9d6cf;          /* 細罫線 */
  --white: #ffffff;

  --font-en: "Jost", "Helvetica Neue", Arial, sans-serif;
  --font-jp: "Zen Old Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;

  --footer-h-sp: 132px;     /* SP固定フッター高さ（上段2列＋下段LINE） */
  --section-pad: clamp(56px, 7vw, 88px);   /* セクション上下パディング（上下均等） */
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-jp);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.9;
  letter-spacing: 0.08em;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
address { font-style: normal; }

.br-sp { display: none; }
.br-pc { display: inline; }

/* =========================================================
   Header
   ========================================================= */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px clamp(24px, 4vw, 56px) 24px;   /* 初期は上余白を詰める（下はスクリム用に確保） */
  /* TOP・未スクロール時：上から下へ消えるスクリム（帯にならずロゴに被りにくい） */
  background: linear-gradient(to bottom,
    rgba(251, 250, 248, 0.85) 0%,
    rgba(251, 250, 248, 0.5) 55%,
    rgba(251, 250, 248, 0) 100%);
  transition: background 0.4s ease, padding 0.4s ease, box-shadow 0.4s ease;
}
.header.is-scrolled {
  background: rgba(251, 250, 248, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding-block: 14px;
  box-shadow: 0 1px 0 rgba(28, 43, 74, 0.06);
}
/* ヘッダーロゴ：FVでは非表示、スクロールでフェードイン
   （FVにロゴがあるため重複を避ける） */
.header__logo {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.4s ease, visibility 0.4s ease, transform 0.4s ease;
  pointer-events: none;
}
.header.is-logo-visible .header__logo,
body.is-menu-open .header__logo {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
}
.header__logo img {
  width: clamp(96px, 9vw, 132px);
  height: auto;
  transition: width 0.4s ease;
}
.header.is-scrolled .header__logo img { width: 88px; }

.header__nav { margin-left: auto; }   /* PC：ナビ＋アイコンを右寄せ */
.header__nav ul { display: flex; gap: clamp(28px, 3.4vw, 52px); }
.header__nav a {
  font-family: var(--font-en);
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 0.28em;
  color: var(--navy);
  position: relative;
  padding-bottom: 4px;
}
.header__nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--navy);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s ease;
}
.header__nav a:hover::after { transform: scaleX(1); transform-origin: left; }

/* ヘッダー Instagram アイコン（アイコンのみ） */
.header__ig {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  margin-left: clamp(16px, 2vw, 28px);  /* PC：ナビの直後 */
  color: var(--navy);
  transition: color 0.4s ease, opacity 0.3s ease;
}
.header.is-scrolled .header__ig { color: var(--navy); }
.header__ig:hover { opacity: 0.65; }
.header__ig svg { width: 22px; height: 22px; }

/* Hamburger（SPのみ表示） */
.header__menu {
  display: none;
  width: 44px; height: 44px;
  background: none; border: none; cursor: pointer;
  position: relative; z-index: 110;
}
.header__menu span {
  position: absolute;
  left: 8px; right: 8px;
  height: 1px;
  background: var(--navy);
  transition: transform 0.35s ease, top 0.35s ease;
}
.header__menu span:nth-child(1) { top: 17px; }
.header__menu span:nth-child(2) { top: 26px; }
body.is-menu-open .header__menu span:nth-child(1) { top: 21px; transform: rotate(20deg); }
body.is-menu-open .header__menu span:nth-child(2) { top: 21px; transform: rotate(-20deg); }

/* SP menu overlay */
.sp-menu {
  position: fixed;
  inset: 0;
  z-index: 105;
  background: rgba(251, 250, 248, 0.97);
  backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}
body.is-menu-open .sp-menu { opacity: 1; visibility: visible; }
/* 項目数が多い端末でもはみ出さないよう縦スクロール許容 */
.sp-menu { overflow-y: auto; align-items: stretch; }
.sp-menu__inner {
  width: 100%;
  max-width: 340px;
  margin: auto;
  padding: 96px 28px 48px;
}
/* 最上部：WEB予約／LINEで相談 の2カラムCTA */
.sp-menu__cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 40px;
}
.sp-menu__cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 13px 10px;
  border-radius: 8px;
  font-family: var(--font-jp);
  font-size: 13px;
  letter-spacing: 0.08em;
  transition: opacity 0.3s ease;
}
.sp-menu__cta-btn:hover { opacity: 0.86; }
.sp-menu__cta-icon { display: inline-flex; width: 18px; height: 18px; }
.sp-menu__cta-icon svg { width: 100%; height: 100%; }
.sp-menu__cta-btn--reserve { background: var(--navy); color: #fff; }
.sp-menu__cta-btn--line { background: #fff; color: var(--navy); border: 1px solid var(--navy); }
.sp-menu ul { text-align: center; display: grid; gap: 26px; }
.sp-menu ul a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  color: var(--navy);
}
.sp-menu__en {
  font-family: var(--font-en);
  font-weight: 300;
  font-size: 17px;
  letter-spacing: 0.34em;
  line-height: 1;
}
.sp-menu__jp {
  font-family: var(--font-jp);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--navy-soft);
  line-height: 1;
}

/* =========================================================
   First View
   ========================================================= */
.fv {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  /* SCROLL表示分の余白を下部に確保しコンテンツとの衝突を防ぐ */
  padding-block: 96px 120px;
}

/* シルク調背景：画像差し替えは .fv__bg に background-image を1行追加するだけ */
.fv__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    /* 画像を用意したら下行のコメントを外す
    url("../assets/img/fv-silk.jpg") center / cover no-repeat, */
    radial-gradient(120% 90% at 78% 30%, rgba(255,255,255,0.0) 0%, rgba(214,209,198,0.35) 55%, rgba(199,196,189,0.45) 100%),
    linear-gradient(118deg, #f6f4f0 0%, #fdfcfa 30%, #efece5 52%, #faf8f4 68%, #e7e3da 100%);
}
/* 布の陰影を思わせる柔らかな帯 */
.fv__bg::before,
.fv__bg::after {
  content: "";
  position: absolute;
  inset: -20%;
  background: linear-gradient(115deg,
    transparent 18%, rgba(255,255,255,0.65) 28%, transparent 39%,
    rgba(184,180,170,0.28) 52%, transparent 60%,
    rgba(255,255,255,0.5) 72%, transparent 84%);
  filter: blur(28px);
}
.fv__bg::after {
  background: linear-gradient(245deg,
    transparent 25%, rgba(176,170,158,0.22) 42%, transparent 55%,
    rgba(255,255,255,0.55) 68%, transparent 80%);
  filter: blur(46px);
}

/* ---- FVスライダー（自動クロスフェード） ---- */
.fv__slides {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.fv__slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 1.8s ease-in-out, transform 8s linear;
  will-change: opacity, transform;
}
.fv__slide.is-active {
  opacity: 1;
  transform: scale(1);
}
/* 白いベール：ロゴ・コピーの可読性を保ちつつ写真を透かす */
.fv__veil {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.70) 0%, rgba(255,255,255,0.55) 45%, rgba(255,255,255,0.70) 100%);
}
/* 布の陰影レイヤーは写真の上に薄く重ねる */
.fv__bg::before,
.fv__bg::after { z-index: 3; opacity: 0.5; pointer-events: none; }

.fv__inner { text-align: center; padding: 0 24px; }

.fv__title { font-weight: 400; }
.fv__logo {
  width: clamp(200px, 22vw, 320px);
  height: auto;
  margin: 0 auto;
}
.fv__divider {
  display: block;
  width: 1px;
  height: clamp(28px, 4vw, 44px);
  margin: clamp(22px, 3vw, 36px) auto;
  background: var(--navy);
  opacity: 0.6;
}
.fv__copy {
  font-size: clamp(16px, 1.8vw, 23px);
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  color: var(--ink);
}
.fv__open {
  margin-top: clamp(30px, 4.4vw, 56px);
  display: grid;
  gap: 8px;
  font-family: var(--font-en);
  color: var(--navy);
}
.fv__date {
  font-weight: 300;
  font-size: clamp(22px, 2.4vw, 30px);
  letter-spacing: 0.34em;
  text-indent: 0.34em;
}
.fv__soon {
  font-weight: 300;
  font-size: clamp(13px, 1.3vw, 16px);
  letter-spacing: 0.44em;
  text-indent: 0.44em;
}
.fv__place {
  font-weight: 300;
  font-size: clamp(11px, 1vw, 13px);
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  opacity: 0.75;
}

/* 縦書きサイドテキスト（PCのみ） */
.fv__side {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: var(--font-en);
  font-weight: 300;
  font-size: 10px;
  letter-spacing: 0.42em;
  color: var(--navy);
  opacity: 0.55;
  white-space: nowrap;
}
.fv__side--left { left: clamp(18px, 2.4vw, 40px); }
.fv__side--right { right: clamp(18px, 2.4vw, 40px); }

/* Scroll indicator */
.fv__scroll {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  display: grid;
  justify-items: center;
  gap: 10px;
  font-family: var(--font-en);
  font-weight: 300;
  font-size: 10px;
  letter-spacing: 0.42em;
  text-indent: 0.42em;
  color: var(--navy);
}
.fv__scroll::after {
  content: "";
  width: 1px;
  height: 44px;
  background: var(--navy);
  animation: scrollLine 2.2s ease-in-out infinite;
  transform-origin: top;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* =========================================================
   Sections（共通）
   ========================================================= */
.section {
  padding: var(--section-pad) clamp(24px, 6vw, 80px);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.section.is-visible { opacity: 1; transform: none; }

.section__inner {
  max-width: 760px;
  margin: 0 auto;
}
.section__title {
  font-family: var(--font-en);
  font-weight: 300;
  font-size: clamp(15px, 1.5vw, 18px);
  letter-spacing: 0.42em;
  color: var(--navy);
  margin-bottom: clamp(40px, 5vw, 64px);
  position: relative;
  padding-bottom: 18px;
}
.section__title::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 36px; height: 1px;
  background: var(--navy);
}

/* ---------- Concept ---------- */
.concept { text-align: center; }
.concept .section__title { text-align: center; }
.concept .section__title::after { left: 50%; transform: translateX(-50%); }
.concept__lead {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.7;
  letter-spacing: 0.1em;
  color: var(--navy);
}
.concept__sub {
  font-weight: 500;
  font-size: clamp(15px, 1.7vw, 19px);
  line-height: 2;
  letter-spacing: 0.12em;
  color: var(--navy);
  margin-top: clamp(14px, 1.8vw, 20px);
}
.concept__text {
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 2.6;
  letter-spacing: 0.12em;
  color: var(--ink);
}
.concept__sub + .concept__text { margin-top: clamp(32px, 4vw, 48px); }
.concept__text + .concept__text { margin-top: clamp(22px, 2.6vw, 30px); }

/* ---------- Treatment ---------- */
/* 写真＋テキストを交互に配置。写真は .treatment__media 内の <img> を差し替えるだけ */
.treatment .section__inner { max-width: 1120px; }
.treatment__list {
  display: grid;
  gap: clamp(56px, 7vw, 96px);
}
.treatment__item {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
}
/* 反転行は列幅も入れ替え、写真サイズを01と揃える */
.treatment__item--reverse { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); }
.treatment__item--reverse .treatment__media { order: 2; }
.treatment__item--reverse .treatment__body { order: 1; text-align: right; }
.treatment__item--reverse .treatment__body::after { margin-left: auto; }

.treatment__media {
  display: block;
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--white);
  cursor: pointer;
}
.treatment__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 1.2s ease;
}
.treatment__item:hover .treatment__media img { transform: scale(1.06); }

.treatment__body { position: relative; }
.treatment__body::after {
  content: "";
  display: block;
  width: 40px;
  height: 1px;
  background: var(--navy);
  margin-top: clamp(22px, 2.6vw, 32px);
  opacity: 0.5;
}
.treatment__num {
  display: block;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--ink-light);
  margin-bottom: clamp(14px, 1.8vw, 22px);
}
.treatment__name {
  font-family: var(--font-en);
  font-weight: 400;
  font-size: clamp(18px, 2.2vw, 26px);
  letter-spacing: 0.22em;
  color: var(--navy);
}
.treatment__jp {
  font-size: clamp(13px, 1.3vw, 15px);
  letter-spacing: 0.22em;
  color: var(--navy);
  margin: 8px 0 16px;
}
.treatment__desc {
  font-size: clamp(13px, 1.35vw, 15px);
  color: var(--ink-light);
  letter-spacing: 0.1em;
  line-height: 2;
}
.treatment__more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: clamp(20px, 2.4vw, 28px);
  font-family: var(--font-en);
  font-weight: 300;
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--navy);
  position: relative;
  padding-bottom: 4px;
}
.treatment__more::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--navy);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s ease;
}
.treatment__more:hover::after { transform: scaleX(1); transform-origin: left; }
.treatment__more .arrow { margin-left: 0; }
/* --reverse 側は右寄せに合わせる */
.treatment__item--reverse .treatment__more { margin-left: auto; }

/* ---------- Clinic ---------- */
.clinic__table {
  border-top: 1px solid var(--line);
}
.clinic__row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: clamp(20px, 2.4vw, 28px) 8px;
  border-bottom: 1px solid var(--line);
}
.clinic__row dt {
  font-size: clamp(13px, 1.35vw, 15px);
  letter-spacing: 0.24em;
  color: var(--navy);
}
.clinic__row dd {
  font-size: clamp(13px, 1.4vw, 15.5px);
  letter-spacing: 0.12em;
}

/* ---------- News（一覧行：アイキャッチ＋日付＋タグ＋見出し） ---------- */
.news__list {
  list-style: none;
  max-width: 860px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
}
.news__item { border-bottom: 1px solid var(--line); }
.news__link {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 24px);
  padding: clamp(16px, 2vw, 22px) 6px;
  transition: opacity 0.3s ease;
}
a.news__link:hover { opacity: 0.7; }
.news__link--static { cursor: default; }

.news__thumb {
  flex: 0 0 auto;
  width: clamp(56px, 7vw, 76px);
  height: clamp(56px, 7vw, 76px);
  overflow: hidden;
  background: var(--bg-beige);
  border: 1px solid var(--line);
}
.news__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

.news__body { flex: 1 1 auto; min-width: 0; }
.news__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.news__date {
  font-family: var(--font-en);
  font-weight: 300;
  font-size: clamp(12px, 1.3vw, 14px);
  letter-spacing: 0.14em;
  color: var(--ink-light);
}
.news__tags { display: inline-flex; flex-wrap: wrap; gap: 6px; }
.news__tag {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--navy-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 12px;
}
.news__title {
  display: block;
  font-size: clamp(14px, 1.5vw, 16px);
  letter-spacing: 0.06em;
  color: var(--navy);
  line-height: 1.7;
}
.news__empty { text-align: center; color: var(--ink-light); padding: 40px 0; list-style: none; }
.news__more { text-align: center; margin-top: clamp(36px, 4vw, 52px); }

/* ---------- Access ---------- */
.access__address {
  font-size: clamp(13.5px, 1.4vw, 15.5px);
  letter-spacing: 0.12em;
  margin-bottom: clamp(28px, 3.4vw, 40px);
}
.access__map {
  border: 1px solid var(--line);
  background: var(--white);
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
}
.access__map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}
.access__map-placeholder {
  text-align: center;
  font-family: var(--font-en);
  font-weight: 300;
  font-size: 14px;
  letter-spacing: 0.36em;
  text-indent: 0.36em;
  color: var(--navy);
  opacity: 0.55;
  line-height: 2.4;
}
.access__map-placeholder span {
  font-size: 10px;
  letter-spacing: 0.3em;
}

/* =========================================================
   Footer（CTA）
   ========================================================= */
.footer {
  background: var(--navy-soft);
  color: var(--white);
  padding: clamp(28px, 3.6vw, 44px) clamp(24px, 5vw, 64px) 20px;
}
.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}
/* CTA：上段2列（WEB予約／アクセス）＋下段全幅（LINE） */
.footer__inner--cta {
  max-width: 720px;
  gap: 12px 12px;
}
.footer__btn--wide { grid-column: 1 / -1; }
.footer__inner--cta .footer__btn {
  justify-content: center;
  /* 反転：白背景×ネイビー文字で帯から浮き立たせる */
  background: var(--white);
  color: var(--navy);
  border: 1px solid var(--white);
  border-radius: 6px;
  padding: 14px 18px;
}
.footer__inner--cta .footer__btn:hover { opacity: 0.86; }
/* WEB予約ボタン：開封8秒後に縁を光が3周なぞるスイープ（JSでSVGを生成） */
.reserve-sweep {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none; overflow: visible; z-index: 1;
}
.reserve-sweep__rect {
  fill: none; stroke-width: 2; stroke-linecap: round;
  stroke-dasharray: 16 84; stroke-dashoffset: 300;
  filter: drop-shadow(0 0 2px rgba(255, 255, 255, 0.85)) drop-shadow(0 0 5px rgba(150, 162, 176, 0.55));
}
.reserve-sweep.is-run .reserve-sweep__rect {
  animation: reserveSweep 6s linear forwards; /* 3周（1周=2s・ゆっくり） */
}
@keyframes reserveSweep {
  from { stroke-dashoffset: 300; }
  to   { stroke-dashoffset: 0; }
}
@media (prefers-reduced-motion: reduce) { .reserve-sweep { display: none; } }
/* 反転時：アイコンの円ボーダーをネイビー系に */
.footer__inner--cta .footer__icon { border-color: rgba(28, 43, 74, 0.35); }
.footer__inner--cta .footer__btn--line {
  background: var(--white);
  border-color: var(--white);
}
.footer__btn {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px clamp(16px, 2.6vw, 40px);
  position: relative;
  transition: opacity 0.3s ease;
}
.footer__btn:hover { opacity: 0.7; }
.footer__icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  display: grid;
  place-items: center;
}
.footer__icon svg { width: 58%; height: 58%; }
.footer__label { display: grid; gap: 2px; line-height: 1.5; }
.footer__label-main {
  font-size: 14.5px;
  letter-spacing: 0.16em;
}
.footer__label-sub {
  font-size: 12px;
  letter-spacing: 0.14em;
  opacity: 0.85;
}
.footer__arrow {
  margin-left: auto;
  font-family: var(--font-en);
  font-weight: 200;
  font-size: 18px;
}
.footer__links {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 26px;
}
.footer__links a {
  font-size: 12px;
  letter-spacing: 0.16em;
  opacity: 0.85;
  transition: opacity 0.3s ease;
}
.footer__links a:hover { opacity: 1; }
.footer__copy {
  text-align: center;
  margin-top: 16px;
  font-family: var(--font-en);
  font-weight: 300;
  font-size: 10px;
  letter-spacing: 0.3em;
  opacity: 0.55;
}

/* =========================================================
   Site Footer（リンク集：固定CTAバーの上・通常フロー）
   ========================================================= */
.sitefooter {
  background: #ecebe7;                 /* 淡いウォームグレー */
  color: var(--ink);
  padding: clamp(48px, 6vw, 72px) clamp(24px, 6vw, 80px) clamp(40px, 5vw, 56px);
}
.sitefooter__inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}
.sitefooter__brand-logo {
  width: 128px;
}
.sitefooter__brand-name {
  margin-top: 20px;
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.12em;
  color: var(--navy);
}
.sitefooter__brand-copy {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 2;
  letter-spacing: 0.06em;
  color: var(--ink-light);
}
.sitefooter__col-title {
  font-family: var(--font-en);
  font-weight: 300;
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--navy-soft);
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(28, 43, 74, 0.14);
}
.sitefooter__col-title-jp {
  display: block;
  margin-top: 5px;
  font-family: var(--font-jp);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--navy);
}
.sitefooter__list { display: grid; gap: 13px; }
.sitefooter__list a {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ink);
  opacity: 0.85;
  transition: opacity 0.3s ease, color 0.3s ease;
}
.sitefooter__list a:hover { opacity: 1; color: var(--navy); }
.sitefooter__bottom {
  max-width: 1120px;
  margin: clamp(36px, 4vw, 52px) auto 0;
  padding-top: 22px;
  border-top: 1px solid rgba(28, 43, 74, 0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.sitefooter__copy {
  font-family: var(--font-en);
  font-weight: 300;
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--ink-light);
}

/* ---- PC（861px〜）：固定フッターCTAバー ---- */
@media (min-width: 861px) {
  body { padding-bottom: 108px; }
  .footer {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 90;
    padding: 12px clamp(24px, 4vw, 56px) 10px;
    box-shadow: 0 -4px 20px rgba(28, 43, 74, 0.14);
  }
  .footer__inner--cta {
    max-width: 900px;
    grid-template-columns: 1fr 1fr 1.5fr;   /* WEB予約／アクセス／LINE を横1列 */
    gap: 12px;
  }
  .footer__inner--cta .footer__btn { padding: 12px 16px; }
  .footer__btn--wide { grid-column: auto; }  /* 全幅解除して横並び */
  .footer__links { margin-top: 8px; }
  .footer__copy { display: none; }
}

/* =========================================================
   Responsive — SP（〜860px）
   ========================================================= */
@media (max-width: 860px) {
  .br-sp { display: inline; }
  .br-pc { display: none; }

  .header { padding: 20px 20px; }
  .header__nav { display: none; }
  .header__ig { margin-left: auto; margin-right: 4px; }  /* SP：ハンバーガー寄り */
  .header__menu { display: block; }
  .header__logo img { width: 92px; }
  .header.is-scrolled .header__logo img { width: 76px; }

  .fv {
    min-height: 100svh;
    /* 下部に固定フッター＋SCROLL分の余白を確保し、コンテンツとの衝突を防ぐ */
    padding-top: 64px;
    padding-bottom: calc(var(--footer-h-sp) + 88px);
  }
  .fv__side { display: none; }
  .fv__logo { width: clamp(150px, 44vw, 320px); }
  .fv__copy { font-size: 16.5px; letter-spacing: 0.2em; text-indent: 0.2em; line-height: 2.2; }
  .fv__scroll {
    bottom: calc(var(--footer-h-sp) + 28px);
    font-size: 9px;
    gap: 8px;
  }
  .fv__scroll::after { height: 32px; }

  .section { padding-inline: 24px; }

  .treatment__list { gap: 56px; }
  .treatment__item,
  .treatment__item--reverse {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  /* SPでは常に写真→テキストの順・左揃え */
  .treatment__item--reverse .treatment__media { order: 1; }
  .treatment__item--reverse .treatment__body { order: 2; text-align: left; }
  .treatment__item--reverse .treatment__body::after { margin-left: 0; }
  .treatment__media { margin-inline: -24px; aspect-ratio: 4 / 3; }

  .clinic__row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 18px 4px;
  }

  /* ---- SP: 固定フッター ---- */
  body { padding-bottom: var(--footer-h-sp); }
  .footer {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 90;
    padding: 10px 12px;
    height: var(--footer-h-sp);
    box-shadow: 0 -4px 20px rgba(28, 43, 74, 0.18);
  }
  .footer__inner--cta {
    height: 100%;
    max-width: 520px;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    align-content: stretch;
  }
  /* 全ボタン横並び（アイコン左）＝LINEと統一 */
  .footer__inner--cta .footer__btn {
    flex-direction: row;
    justify-content: center;
    gap: 8px;
    padding: 6px 4px;
    text-align: left;
    border-radius: 6px;
  }
  .footer__inner--cta .footer__btn--wide { gap: 10px; padding: 8px 4px; }
  .footer__icon {
    width: 24px; height: 24px;
    border: none;
  }
  .footer__icon svg { width: 100%; height: 100%; }
  .footer__label { gap: 0; }
  .footer__label-main { font-size: 11px; letter-spacing: 0.04em; }
  .footer__label-sub { font-size: 9px; letter-spacing: 0.02em; opacity: 0.8; }
  .footer__arrow { display: none; }
  .footer__copy { display: none; }
  .footer__links { display: none; }

  /* サイトフッター（リンク集）：SP */
  .sitefooter__inner {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .sitefooter__brand { text-align: center; }
  .sitefooter__brand-logo { margin: 0 auto; }
  .sitefooter__bottom { justify-content: center; text-align: center; }
}

/* SPの非常に小さい画面 */
@media (max-width: 360px) {
  .footer__label-sub { display: none; }
}

/* 画面高さが低い端末：SCROLLを非表示にして衝突を回避 */
@media (max-height: 640px) {
  .fv__scroll { display: none; }
  .fv { padding-bottom: var(--footer-h-sp); }
}

/* =========================================================
   FV 初回フェードイン（ページ読込時）
   ▼戻す場合：この「FV 初回フェードイン」ブロックを削除すればOK
     （HTML/JSの変更なしで元に戻ります）
   ========================================================= */
.fv__logo,
.fv__divider,
.fv__copy,
.fv__open,
.fv__side {
  opacity: 0;
  transform: translateY(14px);
  animation: fvFadeUp 1.1s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}
.fv__logo    { animation-delay: 0.25s; }
.fv__divider { animation-delay: 0.55s; }
.fv__copy    { animation-delay: 0.70s; }
.fv__open    { animation-delay: 0.90s; }
.fv__side    { animation-delay: 1.10s; }
@keyframes fvFadeUp {
  to { opacity: 1; transform: none; }
}
/* 縦書きサイドは opacity のみ復帰（位置はCSS指定を維持） */
.fv__side { transform: translateY(0); animation-name: fvFadeIn; }
@keyframes fvFadeIn { from { opacity: 0; } to { opacity: 0.7; } }

/* =========================================================
   Reduced motion
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .section { opacity: 1; transform: none; transition: none; }
  .fv__scroll::after { animation: none; }
  .treatment__media img, .treatment__item:hover .treatment__media img { transform: none; transition: none; }
  .fv__slide { transition: opacity 0.6s ease; transform: none; }
  .fv__slide.is-active { transform: none; }
  /* FV初回フェードインも無効化 */
  .fv__logo, .fv__divider, .fv__copy, .fv__open { opacity: 1; transform: none; animation: none; }
  .fv__side { opacity: 0.7; transform: none; animation: none; }
}

/* =========================================================
   FV：画像が1枚のときの演出（切替フェードなし・ゆっくりズーム）
   ※複数枚のときは従来どおりクロスフェード
   ========================================================= */
.fv__slides--single .fv__slide {
  transform-origin: center;
  animation: fvKenBurns 18s ease-in-out infinite alternate;
}
@keyframes fvKenBurns {
  from { transform: scale(1); }
  to   { transform: scale(1.08); }
}
@media (prefers-reduced-motion: reduce) {
  .fv__slides--single .fv__slide { animation: none; }
}

/* ============================================================
   開院特典モーダル（Promo Modal）
   ============================================================ */
.promo[hidden] { display: none; }
.promo {
  position: fixed; inset: 0; z-index: 2000;
  display: grid; place-items: center; padding: 20px;
}
.promo__overlay {
  position: absolute; inset: 0;
  background: rgba(28, 43, 74, 0.55);
  backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
  opacity: 0; transition: opacity 0.4s ease;
}
.promo__card {
  position: relative;
  width: min(92vw, 400px);
  max-height: 90vh; overflow-y: auto;
  background: var(--bg, #fbfaf8);
  border-radius: 12px;
  padding: clamp(30px, 7vw, 44px) clamp(24px, 6vw, 36px) clamp(26px, 6vw, 34px);
  text-align: center;
  box-shadow: 0 20px 60px rgba(28, 43, 74, 0.25);
  transform: translateY(14px) scale(0.98); opacity: 0;
  transition: transform 0.5s cubic-bezier(.2,.7,.2,1), opacity 0.5s ease;
}
.promo.is-open .promo__overlay { opacity: 1; }
.promo.is-open .promo__card { transform: none; opacity: 1; }
.promo__close {
  position: absolute; top: 10px; right: 12px;
  width: 34px; height: 34px; border: none; background: none; cursor: pointer;
  font-size: 22px; line-height: 1; color: var(--navy-soft, #496e85);
  transition: opacity 0.3s ease;
}
.promo__close:hover { opacity: 0.6; }
.promo__eyebrow {
  display: inline-block;
  font-family: var(--font-en); font-weight: 300;
  font-size: 11px; letter-spacing: 0.3em;
  color: var(--navy-soft, #496e85);
  padding: 4px 14px; border: 1px solid var(--navy-soft, #496e85);
  border-radius: 999px; margin-bottom: 10px;
}
.promo__date {
  font-family: var(--font-en); font-weight: 300;
  font-size: clamp(26px, 7vw, 34px); letter-spacing: 0.08em;
  color: var(--navy, #1c2b4a);
}
.promo__logo {
  display: block; width: clamp(110px, 32vw, 140px); height: auto;
  margin: clamp(12px, 3.4vw, 18px) auto 0;
}
.promo__title {
  margin-top: 10px;
  font-family: var(--font-jp); font-weight: 500;
  font-size: clamp(15px, 4vw, 18px); letter-spacing: 0.08em;
  color: var(--navy, #1c2b4a);
}
.promo__highlight {
  margin-top: 4px;
  font-family: var(--font-jp); font-weight: 500;
  font-size: clamp(34px, 11vw, 52px); line-height: 1.1;
  letter-spacing: 0.04em; color: var(--navy, #1c2b4a);
}
.promo__highlight::after {
  content: ""; display: block; width: 40px; height: 1px;
  margin: 16px auto 0; background: var(--navy-soft, #496e85);
}
.promo__text {
  margin-top: 16px;
  font-size: 13px; line-height: 1.9; letter-spacing: 0.04em;
  color: var(--ink, #2b3447);
}
.promo__actions {
  display: flex; flex-direction: column; gap: 10px; margin-top: 22px;
}
.promo__btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 20px; border-radius: 8px;
  font-family: var(--font-jp); font-size: 14px; letter-spacing: 0.08em;
  transition: opacity 0.3s ease;
}
.promo__btn:hover { opacity: 0.86; }
.promo__btn-icon { display: inline-flex; width: 20px; height: 20px; }
.promo__btn-icon svg { width: 100%; height: 100%; }
.promo__btn--reserve { background: var(--navy, #1c2b4a); color: var(--white, #fff); }
.promo__btn--line { background: #fff; color: var(--navy, #1c2b4a); border: 1px solid var(--navy, #1c2b4a); }
.promo__note {
  margin-top: 16px; font-size: 11px; line-height: 1.7;
  letter-spacing: 0.02em; color: var(--ink-light, #6b7280);
}
.promo__later {
  display: inline-block; margin-top: 12px;
  border: none; background: none; cursor: pointer;
  font-size: 12px; letter-spacing: 0.08em;
  color: var(--ink-light, #6b7280); text-decoration: underline;
}
.promo__later:hover { color: var(--navy, #1c2b4a); }
@media (prefers-reduced-motion: reduce) {
  .promo__overlay, .promo__card { transition: none; }
}