/* ============================================================
   style.css — Taste 03: asian_luxury / ASURA Spa & Healing
   A=2 B=2 C=3 D=3 E=2 F=0 G=3 H=2
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Infant:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Noto+Serif+JP:wght@300;400&family=Noto+Sans+JP:wght@300;400;500&display=swap');

/* ============================================================
   CSS変数上書き
   ============================================================ */

:root {
  --color-base: #1A1A1A;
  --color-main: #C9A961;
  --color-accent: #2D4A3E;
  --color-text: #E8E2D5;
  --color-text-light: #9A907E;
  --color-bg-section: #212121;
  --color-border: #383838;

  --font-heading-en: 'Cormorant Infant', serif;
  --font-heading-ja: 'Noto Serif JP', serif;
  --font-body: 'Noto Sans JP', sans-serif;

  --section-decor-opacity: 0.65;
  --hero-overlay-opacity: 0.42;
  --radius-card: 2px;
}

/* ============================================================
   ヘッダー
   ============================================================ */

/* ダーク背景上は最初からテキスト色が var(--color-text)=#E8E2D5 なので上書き不要 */
/* スクロール後のヘッダー: ダーク base そのまま */
.site-header.scrolled {
  background-color: rgba(26, 26, 26, 0.96);
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(6px);
}

/* ロゴ・nav にゴールドホバーラインを継承 */
.site-header .logo {
  color: var(--color-main);
  font-size: 1rem;
  letter-spacing: 0.18em;
}

/* ============================================================
   ヒーロー（D=3: パララックス / G=3: 3枚スライド）
   ============================================================ */

/* D=3: .hero-bg.hero-parallax → script.js initParallax() が translateY を付与
   parallax 動作のために hero-bg を viewport より高くしておく */
.hero-bg.hero-parallax {
  top: -20%;
  bottom: -20%;
  height: 140%;
}

.hero-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-en {
  font-family: 'Cormorant Infant', serif;
  font-size: 0.75rem;
  color: var(--color-main);
  letter-spacing: 0.55em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.hero-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 3rem;
  font-weight: 300;
  color: #fff;
  line-height: 1.6;
  margin-bottom: 24px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.6);
}

.hero-subtitle {
  font-family: 'Cormorant Infant', serif;
  font-size: 1rem;
  color: var(--color-main);
  letter-spacing: 0.35em;
  margin-bottom: 48px;
  text-transform: uppercase;
}

/* ============================================================
   C=3: セクション見出し英字（巨大化）
   ============================================================ */

.section-en {
  font-size: 7rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  opacity: 0.9;
}

/* H=2: セクションヘッダー下のゴールド罫線 */
.section-header {
  position: relative;
}

.section-header::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: var(--color-main);
  margin: 20px auto 0;
}

.section-title {
  color: var(--color-text);
}

/* ============================================================
   H=2: セクション交互背景
   ============================================================ */

.concept,
.menu,
.voice {
  background-color: var(--color-base);
}

.reasons,
.staff,
.info {
  background-color: var(--color-bg-section);
}

/* ============================================================
   コンセプトセクション（B=2: 左右 / E=2: 写真重なり）
   ============================================================ */

.concept-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

/* E=2: 2枚の写真を重ねる */
.concept-images {
  position: relative;
  height: 480px;
}

.concept-img-main {
  position: absolute;
  top: 0;
  left: 0;
  width: 86%;
  height: 88%;
  overflow: hidden;
  border-radius: 2px;
}

.concept-img-sub {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 54%;
  aspect-ratio: 4/3;
  border: 3px solid var(--color-base);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.55);
  z-index: 1;
}

.concept-img-main img,
.concept-img-sub img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.concept-img-main:hover img,
.concept-img-sub:hover img {
  transform: scale(1.05);
}

.concept-text {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.concept-text p {
  color: var(--color-text);
  line-height: 1.95;
  font-size: 0.9375rem;
  font-weight: 300;
}

.concept-text .btn-secondary {
  align-self: flex-start;
  margin-top: 12px;
}

/* A=2: コンセプト装飾 */
.concept .section-decor {
  bottom: 20px;
  right: -50px;
  width: 200px;
  transform: rotate(-12deg);
}

/* ============================================================
   選ばれる理由（G=3: reasons-swiper / PC: 3カラムグリッド）
   ============================================================ */

/* SP: Swiper 1.2枚チラ見せ */
.reasons-swiper {
  padding-bottom: 52px;
  overflow: visible;
}

/* PC: Swiper 無効時にグリッド表示 */
@media (min-width: 769px) {
  .reasons-swiper .swiper-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    transform: none !important;
    will-change: unset !important;
    flex-wrap: wrap;
  }
  .reasons-swiper .swiper-slide {
    width: auto !important;
    margin-right: 0 !important;
  }
  .reasons-swiper .swiper-pagination {
    display: none;
  }
}

.reason-card {
  position: relative;
  height: 100%;
}

.reason-number {
  font-family: 'Cormorant Infant', serif;
  font-size: 4rem;
  font-weight: 300;
  color: var(--color-main);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  opacity: 0.8;
}

.reason-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 14px;
}

.reason-text {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.85;
  font-weight: 300;
}

/* ============================================================
   メニューセクション（3カラム / flex）
   ============================================================ */

.menu-list {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
}

.menu-card {
  flex: 0 0 calc(33.333% - 16px);
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border-color: var(--color-border);
}

.menu-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.menu-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.menu-image:hover img {
  transform: scale(1.05);
}

.menu-body {
  padding: 20px 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.menu-name {
  font-family: 'Noto Serif JP', serif;
  font-size: 0.975rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 6px;
}

.menu-duration {
  font-family: 'Cormorant Infant', serif;
  font-size: 0.875rem;
  color: var(--color-main);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.menu-desc {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 14px;
  font-weight: 300;
}

.menu-price {
  font-family: 'Cormorant Infant', serif;
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--color-main);
  margin-top: auto;
  letter-spacing: 0.04em;
}

.menu-price span {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.725rem;
  color: var(--color-text-light);
  font-weight: 300;
  margin-left: 2px;
}

/* ============================================================
   スタッフセクション（B=2: 左右交互）
   ============================================================ */

.staff-list {
  display: flex;
  flex-direction: column;
  gap: 64px;
}

.staff-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

/* B=2: 偶数番目の staff-card は画像を右に */
.staff-card:nth-child(even) .staff-image {
  order: 2;
}

.staff-card:nth-child(even) .staff-body {
  order: 1;
}

.staff-image {
  border-radius: 2px;
  overflow: hidden;
  aspect-ratio: 3 / 4;
}

.staff-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.staff-image:hover img {
  transform: scale(1.04);
}

.staff-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 20px;
}

.staff-role {
  font-family: 'Cormorant Infant', serif;
  font-size: 0.8rem;
  color: var(--color-main);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.staff-name {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--color-text);
}

.staff-license {
  font-size: 0.8125rem;
  color: var(--color-main);
  font-weight: 400;
  letter-spacing: 0.04em;
  padding-left: 10px;
  border-left: 2px solid var(--color-main);
}

.staff-message {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.9;
  font-weight: 300;
  margin-top: 4px;
}

/* ============================================================
   お客様の声（G=3: voice-swiper）
   ============================================================ */

.voice-swiper {
  padding-bottom: 56px;
}

/* ゴールドにスワイパーナビを合わせる */
.voice-swiper .swiper-button-next,
.voice-swiper .swiper-button-prev {
  color: var(--color-main);
  width: 40px;
  height: 40px;
}

.voice-swiper .swiper-button-next::after,
.voice-swiper .swiper-button-prev::after {
  font-size: 1.1rem;
}

.voice-swiper .swiper-pagination-bullet {
  background-color: var(--color-text-light);
  opacity: 1;
}

.voice-swiper .swiper-pagination-bullet-active {
  background-color: var(--color-main);
}

.voice-swiper .swiper-slide {
  height: auto;
}

.voice-card {
  padding: 0;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-section);
  border-color: var(--color-border);
}

.voice-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.voice-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.voice-image:hover img {
  transform: scale(1.04);
}

.voice-body {
  padding: 24px 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.voice-rating {
  color: var(--color-main);
  letter-spacing: 3px;
  font-size: 0.875rem;
  margin-bottom: 12px;
}

.voice-text {
  font-size: 0.875rem;
  line-height: 1.9;
  color: var(--color-text);
  flex: 1;
  margin: 0 -9px 16px;
  font-style: normal;
  font-weight: 300;
}

.voice-footer {
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.voice-name {
  font-family: 'Cormorant Infant', serif;
  font-size: 0.95rem;
  font-style: normal;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.voice-profile {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* A=2: 声の装飾 */
.voice .section-decor {
  top: 40px;
  left: -50px;
  width: 180px;
  transform: rotate(15deg);
}

/* ============================================================
   サロン情報
   ============================================================ */

.info-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.info-table dl {
  display: flex;
  flex-direction: column;
}

.info-row {
  display: flex;
  gap: 20px;
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}

.info-row dt {
  font-family: 'Cormorant Infant', serif;
  font-size: 0.8rem;
  color: var(--color-main);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  min-width: 68px;
  padding-top: 2px;
}

.info-row dd {
  color: var(--color-text);
  font-size: 0.9rem;
  line-height: 1.8;
  flex: 1;
  font-weight: 300;
}

.info-row dd a {
  color: var(--color-main);
}

.info-map iframe {
  display: block;
  border-radius: 2px;
  filter: grayscale(40%) brightness(0.7);
}

/* ============================================================
   CTA
   ============================================================ */

.cta {
  background: linear-gradient(135deg, #1A1A1A 0%, var(--color-accent) 100%);
}

.cta-title {
  color: var(--color-text);
}

.cta .btn-primary {
  background-color: var(--color-main);
  color: #1A1A1A;
  font-weight: 500;
}

.cta .btn-primary:hover {
  background-color: #fff;
  color: #1A1A1A;
}

.cta .btn-secondary {
  border-color: rgba(201, 169, 97, 0.6);
  color: var(--color-main);
}

.cta .btn-secondary:hover {
  background-color: var(--color-main);
  color: #1A1A1A;
}

/* ============================================================
   フッター上書き
   ============================================================ */

.site-footer {
  background-color: #111;
  border-top: 1px solid var(--color-border);
}

.footer-logo {
  color: var(--color-main);
}

/* ============================================================
   カード共通（ダーク用）
   ============================================================ */

.card {
  background-color: var(--color-bg-section);
  border-color: var(--color-border);
}

.card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

/* ============================================================
   レスポンシブ（768px以下）
   ============================================================ */

@media (max-width: 768px) {
  .section-en {
    font-size: 3.5rem;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .concept-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .concept-images {
    height: 340px;
  }

  .staff-card {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .staff-card:nth-child(even) .staff-image,
  .staff-card:nth-child(even) .staff-body {
    order: unset;
  }

  .menu-card {
    flex: 0 0 calc(50% - 12px);
  }

  .info-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ============================================================
   レスポンシブ（480px以下）
   ============================================================ */

@media (max-width: 480px) {
  .section-en {
    font-size: 2.8rem;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .menu-card {
    flex: 0 0 100%;
  }

  .concept-images {
    height: 280px;
  }
}