/* =========================================================
   B.STYLE 体験予約LP
   黒×ゴールドの高級感 ＋ 白基調で読みやすく
   ========================================================= */
:root {
  /* ブランドカラーのグレー。黒より柔らかく、上品なチャコール。
     白文字を載せても 8:1 以上のコントラストを保てる濃さにしている。 */
  --gray:      #44464b;   /* ベースのグレー（塗り） */
  --gray-soft: #4f5157;   /* グラデーションの明るい側 */
  --gray-deep: #3a3c40;   /* 影・フッター用の濃い側 */
  --gold:       #c9a86a;   /* 見出し・装飾のゴールド */
  --gold-deep:  #a5854a;   /* 白背景で文字に使う濃いゴールド（4.5:1以上） */
  --ivory:      #faf8f4;
  --line:       #e6e0d6;

  --ink:       #2a2724;
  --ink-muted: #6b665e;

  --wrap:   1080px;
  --radius: 12px;

  --serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans:  "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", sans-serif;
}

html { color-scheme: light; }
* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.95;
  letter-spacing: 0.03em;
  color: var(--ink);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
p, li, h1, h2, h3 { word-break: auto-phrase; }

.wrap {
  width: min(100% - 2.5rem, var(--wrap));
  margin-inline: auto;
}
.narrow { width: min(100% - 2.5rem, 680px); }

.sp { display: none; }
@media (max-width: 640px) { .sp { display: inline; } }

.sec { padding: clamp(4rem, 10vw, 6.5rem) 0; }

.sec-eyebrow {
  margin: 0 0 0.9rem;
  text-align: center;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--gold-deep);
}
.sec-eyebrow.gold { color: var(--gold); }
.sec-eyebrow.left { text-align: left; }

.sec-title {
  margin: 0 0 clamp(2.25rem, 5vw, 3.25rem);
  font-family: var(--serif);
  font-size: clamp(1.5rem, 4.6vw, 2.125rem);
  font-weight: 600;
  line-height: 1.65;
  letter-spacing: 0.06em;
  text-align: center;
}
.sec-title.light { color: #fff; }

.body-text {
  font-size: 0.9375rem;
  line-height: 2.1;
  color: var(--ink-muted);
}
.body-text.center { text-align: center; }
.body-text b { color: var(--ink); font-weight: 700; }

/* ========================= ボタン ========================= */
.btn {
  display: inline-block;
  padding: 1.05em 2.8em;
  border-radius: 999px;
  background: linear-gradient(135deg, #cdae74, #a5854a);
  color: #fff;
  font-family: var(--sans);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-align: center;
  box-shadow: 0 8px 22px rgba(165, 133, 74, 0.32);
  transition: transform 0.25s, box-shadow 0.25s, filter 0.25s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(165,133,74,0.42); filter: brightness(1.05); }
.btn:focus-visible { outline: 3px solid var(--gold-deep); outline-offset: 3px; }
.btn-sm { padding: 0.6em 1.4em; font-size: 0.8125rem; box-shadow: none; white-space: nowrap; }
.btn-lg { padding: 1.15em 3em; font-size: 1.0625rem; }
@media (max-width: 420px) {
  .btn-lg { display: block; width: 100%; padding-inline: 1rem; }
}

/* ========================= ヘッダー ========================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(58, 60, 64, 0.94);
  backdrop-filter: blur(10px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 62px;
}
.brand { display: flex; flex-direction: column; line-height: 1.15; }
.brand-mark {
  font-family: var(--serif);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: #fff;
}
.brand-sub { font-size: 0.625rem; letter-spacing: 0.18em; color: var(--gold); }

/* ========================= ヒーロー ========================= */
.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(80% 60% at 78% 30%, rgba(201,168,106,0.18) 0%, transparent 60%),
    linear-gradient(155deg, #4f5157 0%, #44464b 55%, #3a3c40 100%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(3rem, 7vw, 5rem) 0 clamp(3.5rem, 8vw, 5.5rem);
}
.hero-eyebrow {
  margin: 0 0 1.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold);
}
.hero h1 {
  margin: 0 0 1.75rem;
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.04em;
}
.h1-small { display: block; font-size: clamp(1.25rem, 3.6vw, 1.75rem); }
.h1-gold {
  display: block;
  margin: 0.1em 0;
  font-size: clamp(3rem, 9vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--gold);  /* 非対応ブラウザ用のフォールバック */
}
/* 金の光沢（メタリックゴールド）。ハイライト→深い金へのグラデーション。
   対応ブラウザでだけ文字を透明にして背景の金を透かす。 */
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .h1-gold {
    background: linear-gradient(160deg, #f4e2b0 0%, #d8bd83 28%, #c9a86a 52%, #a5854a 78%, #d8bd83 100%);
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
            color: transparent;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.28));
  }
}
.hero-lead {
  margin: 0 0 2.25rem;
  font-size: 0.9375rem;
  line-height: 2.05;
  color: rgba(255,255,255,0.8);
}
.hero-note {
  margin: 1.25rem 0 0;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--gold);
}

/* ヒーローは「女性（主役）＋店内写真（インセット）」の2枚構成 */
.hero-photo {
  position: relative;
  justify-self: center;
  width: min(100%, 420px);
  padding-bottom: 3rem;   /* インセットのはみ出し分の余白 */
  padding-left: 2.5rem;
}
.hero-photo-main {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}
/* 店内写真：左下に少し重ねて、金の枠で高級感 */
.hero-photo-sub {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 46%;
  border-radius: 12px;
  border: 3px solid var(--gray);
  outline: 1px solid rgba(201,168,106,0.6);
  box-shadow: 0 14px 34px rgba(0,0,0,0.4);
}
/* 監修バッジ＝金の細いリングを重ねた、上品なエンブレム（勲章）風 */
.hero-badge {
  position: absolute;
  right: -0.9rem;
  bottom: 1rem;
  width: 8rem;
  height: 8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.1rem;
  text-align: center;
  border-radius: 50%;
  /* 中央から外へ、深い墨色のグラデーション */
  background: radial-gradient(circle at 50% 38%, #34302b 0%, #211e1b 72%);
  /* 二重の金リング（外の縁＋内側の細い線）を box-shadow で表現 */
  box-shadow:
    inset 0 0 0 1px rgba(201,168,106,0.9),
    inset 0 0 0 5px rgba(20,20,20,0.85),
    inset 0 0 0 6px rgba(201,168,106,0.55),
    0 10px 26px rgba(0,0,0,0.45);
  color: #d8bd83;
}
.badge-top { font-size: 0.6rem; letter-spacing: 0.12em; }
.badge-name {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
  /* 名前も金の光沢に */
  background: linear-gradient(160deg, #f4e2b0, #d8bd83 55%, #a5854a);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.badge-sub {
  position: relative;
  margin-top: 0.15rem;
  padding-top: 0.3rem;
  font-size: 0.62rem;
  letter-spacing: 0.24em;
}
/* 監修の上に、金の飾り罫を一本 */
.badge-sub::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  width: 1.4rem; height: 1px;
  transform: translateX(-50%);
  background: rgba(201,168,106,0.7);
}

@media (max-width: 760px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-photo { order: -1; width: min(80%, 320px); margin-inline: auto; padding-left: 2rem; }
  .hero-eyebrow { font-size: 0.6875rem; }
  .hero-badge { width: 6.6rem; height: 6.6rem; right: 1%; }
  .hero-badge .badge-name { font-size: 1.0625rem; }
  .hero-badge .badge-top { font-size: 0.55rem; }
  .hero-badge .badge-sub { font-size: 0.56rem; }
}

/* トレーナー紹介・FAQ で使う、明るい背景 */
.sec-empathy { background: var(--ivory); }

/* ========================= 共感（お悩み写真カード） ========================= */
/* お悩みセクションだけダーク背景。見出しは白・金にする */
.sec-worry { background: var(--gray-deep); }
.sec-worry .sec-title { color: #fff; }
.sec-worry .sec-eyebrow { color: var(--gold); }
.sec-title .accent { color: var(--gold); }

/* お悩み＝1枚ずつ大きく見せる交互レイアウト（左右入れ替え） */
.worry-list {
  display: flex;
  flex-direction: column;
  gap: clamp(3rem, 7vw, 5.5rem);
}
.worry-row {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: clamp(1.5rem, 5vw, 4rem);
}
.worry-row--rev .worry-photo { order: 2; }  /* 偶数行は写真を右へ */

.worry-photo {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 44px rgba(0,0,0,0.32);
}
.worry-photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.worry-body { position: relative; }
.worry-no {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2.5rem, 7vw, 4rem);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  opacity: 0.9;
  margin-bottom: 0.75rem;
}
.worry-body p {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.125rem, 2.6vw, 1.5rem);
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: #fff;
}
.worry-body b { color: var(--gold); font-weight: 700; }

@media (max-width: 720px) {
  .worry-row { grid-template-columns: 1fr; gap: 1.25rem; }
  .worry-row--rev .worry-photo { order: 0; }  /* スマホは常に写真が上 */
  .worry-photo img { aspect-ratio: 3 / 4; }
  .worry-body { text-align: center; }
}

.empathy-bridge {
  margin: clamp(2.5rem, 6vw, 3.5rem) 0 0;
  text-align: center;
  font-family: var(--serif);
  font-size: clamp(1.0625rem, 2.8vw, 1.25rem);
  line-height: 2;
  letter-spacing: 0.05em;
  color: #fff;
}
.empathy-bridge b { color: var(--gold); }

/* ========================= 褒めトレとは ========================= */
.praise-quotes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin: clamp(2rem, 5vw, 2.75rem) 0;
}
.praise-quotes span {
  padding: 0.65em 1.4em;
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--serif);
  font-size: 0.9375rem;
  color: var(--gold-deep);
}

/* ========================= 体験（ダーク） ========================= */
.sec-dark {
  color: #fff;
  background:
    radial-gradient(70% 50% at 50% 0%, rgba(201,168,106,0.14) 0%, transparent 60%),
    linear-gradient(160deg, #494b51, #3d3f43);
}
.trial-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(3, 1fr);
}
.trial-card {
  padding: clamp(1.75rem, 3.5vw, 2.25rem);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(201,168,106,0.28);
  border-radius: var(--radius);
}
.trial-num {
  display: block;
  margin-bottom: 0.75rem;
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--gold);
}
.trial-card h3 {
  margin: 0 0 0.85rem;
  font-family: var(--serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
}
.trial-card p { margin: 0; font-size: 0.875rem; line-height: 2; color: rgba(255,255,255,0.72); }
@media (max-width: 720px) { .trial-grid { grid-template-columns: 1fr; } }

/* ========================= 選ばれる理由 ========================= */
.reason-list { max-width: 44rem; margin: 0 auto; display: grid; gap: 1.75rem; }
.reason { display: grid; grid-template-columns: auto 1fr; gap: 1.25rem; align-items: start; }
.reason-no {
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  padding-top: 0.1em;
}
.reason h3 {
  margin: 0 0 0.5rem;
  font-family: var(--serif);
  font-size: 1.1875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.reason p { margin: 0; font-size: 0.9rem; line-height: 2; color: var(--ink-muted); }

/* ========================= トレーナー ========================= */
.trainer-inner {
  display: grid;
  grid-template-columns: 300px 1fr;
  align-items: center;
  gap: clamp(1.75rem, 5vw, 3.5rem);
}
.trainer-photo img { border-radius: var(--radius); box-shadow: 0 14px 34px rgba(0,0,0,0.12); }
.trainer-name {
  margin: 0.5rem 0 1.25rem;
  font-family: var(--serif);
  font-size: 1.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.trainer-name span {
  display: block;
  margin-top: 0.3rem;
  font-family: var(--sans);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--gold-deep);
}
@media (max-width: 720px) {
  .trainer-inner { grid-template-columns: 1fr; text-align: center; }
  .trainer-photo { width: min(66%, 260px); margin-inline: auto; }
  .sec-eyebrow.left { text-align: center; }
}

/* ========================= 料金・流れ ========================= */
.price-box {
  max-width: 30rem;
  margin: 0 auto clamp(2.5rem, 6vw, 3.5rem);
  padding: clamp(1.75rem, 4vw, 2.5rem);
  text-align: center;
  background: var(--gray);
  color: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--gold);
}
.price-label { margin: 0 0 0.5rem; font-size: 0.8125rem; letter-spacing: 0.08em; color: var(--gold); }
.price-value {
  margin: 0 0 0.75rem;
  font-family: var(--serif);
  font-size: clamp(2.75rem, 9vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  color: #fff;
}
.price-value span { font-size: 1rem; font-weight: 500; letter-spacing: 0.04em; }
/* 「今なら」は小さく、「無料」をゴールドで大きく見せる */
.price-value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.4rem;
  font-size: 1.5rem;
}
/* .price-value span より詳細度を高くして、必ず大きく表示させる */
.price-value .price-free {
  font-size: clamp(3rem, 11vw, 4rem);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.04em;
}
/* 元の通常価格は取り消し線で控えめに */
.price-strike {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  text-decoration: line-through;
  text-decoration-color: rgba(201,168,106,0.7);
}
.price-note { margin: 0; font-size: 0.8125rem; color: rgba(255,255,255,0.72); }

.flow { max-width: 40rem; margin: 0 auto; padding: 0; list-style: none; counter-reset: f; }
.flow li {
  position: relative;
  padding: 1.5rem 0 1.5rem 4.5rem;
  border-bottom: 1px solid var(--line);
}
.flow li:first-child { border-top: 1px solid var(--line); }
.flow li span {
  position: absolute;
  left: 0;
  top: 1.6rem;
  font-family: var(--serif);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
}
.flow h3 { margin: 0 0 0.25rem; font-size: 1.0625rem; font-weight: 700; }
.flow p { margin: 0; font-size: 0.875rem; color: var(--ink-muted); }

/* ========================= FAQ ========================= */
details { border-bottom: 1px solid var(--line); }
details:first-of-type { border-top: 1px solid var(--line); }
details summary {
  position: relative;
  padding: 1.35rem 2.5rem 1.35rem 0;
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.8;
  list-style: none;
}
details summary::-webkit-details-marker { display: none; }
details summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 0.25rem;
  transform: translateY(-50%);
  color: var(--gold-deep);
  font-size: 1.5rem;
  font-weight: 400;
}
details[open] summary::after { content: "−"; }
details p { margin: 0 0 1.5rem; font-size: 0.875rem; line-height: 2; color: var(--ink-muted); }

/* ========================= CTA ========================= */
.cta {
  color: #fff;
  text-align: center;
  padding: clamp(4rem, 10vw, 6.5rem) 0;
  background:
    radial-gradient(80% 60% at 50% 0%, rgba(201,168,106,0.18) 0%, transparent 62%),
    linear-gradient(160deg, #4d4f55, #3a3c40);
}
.cta-eyebrow { margin: 0 0 1rem; font-family: var(--serif); font-size: 0.9375rem; color: var(--gold); letter-spacing: 0.04em; }
.cta-title {
  margin: 0 0 1.25rem;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 5vw, 2.25rem);
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.05em;
}
.cta-lead { margin: 0 0 2.5rem; font-size: 0.9375rem; line-height: 2.05; color: rgba(255,255,255,0.8); }
.cta-note { margin: 1.5rem 0 0; font-size: 0.8125rem; color: var(--gold); }

/* ========================= フッター ========================= */
.site-footer { background: var(--gray-deep); color: rgba(255,255,255,0.75); padding: 3.5rem 0 2rem; }
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand { margin: 0 0 0.4rem; font-family: var(--serif); font-size: 1.375rem; font-weight: 700; letter-spacing: 0.14em; color: #fff; }
.footer-text { margin: 0; font-size: 0.8125rem; }
.footer-info p { margin: 0 0 0.5rem; font-size: 0.8125rem; line-height: 1.9; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.5rem; margin-top: 0.75rem !important; }
.footer-links a { color: var(--gold); text-decoration: none; font-weight: 500; }
.footer-links a:hover { text-decoration: underline; }
.copyright { margin: 1.75rem 0 0; text-align: center; font-size: 0.6875rem; letter-spacing: 0.06em; color: rgba(255,255,255,0.4); }

@media (prefers-reduced-motion: reduce) {
  .btn:hover { transform: none; }
}

/* =========================================================
   スクロール演出（下からふわっと／順番に出る）
   参考サイトの動きを再現。速さ0.7s・カーブ cubic-bezier(0.17,0.84,0.44,1)。
   .reveal-ready が付くのはJSが動いたときだけ → JSオフでも真っ白にならない。
   ========================================================= */
:root {
  --reveal-ease: cubic-bezier(0.17, 0.84, 0.44, 1);
  --reveal-dur: 0.7s;
}

/* 単体でふわっと出す */
.reveal-ready .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--reveal-dur) var(--reveal-ease),
              transform var(--reveal-dur) var(--reveal-ease);
}
.reveal-ready .reveal.is-visible { opacity: 1; transform: none; }

/* 子要素を少しずつ遅らせて順番に出す */
.reveal-ready .stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--reveal-dur) var(--reveal-ease),
              transform var(--reveal-dur) var(--reveal-ease);
}
.reveal-ready .stagger.is-visible > * { opacity: 1; transform: none; }
.reveal-ready .stagger.is-visible > *:nth-child(2) { transition-delay: 0.08s; }
.reveal-ready .stagger.is-visible > *:nth-child(3) { transition-delay: 0.16s; }
.reveal-ready .stagger.is-visible > *:nth-child(4) { transition-delay: 0.24s; }
.reveal-ready .stagger.is-visible > *:nth-child(5) { transition-delay: 0.32s; }

/* 「動きを減らす」設定の端末では演出を止め、最初から表示する */
@media (prefers-reduced-motion: reduce) {
  .reveal-ready .reveal,
  .reveal-ready .stagger > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}
