/* ============================================================
   style.css — Taste 09: clean_minimal / Lumière（リュミエール）
   A=0 B=1 C=2 D=1 E=1 F=0 G=2 H=1
   ============================================================ */

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

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

:root {
  --color-base: #FFFFFF;
  --color-main: #1A1A1A;
  --color-accent: #B5956A;
  --color-text: #2D2D2D;
  --color-text-light: #888888;
  --color-bg-section: #F7F7F7;
  --color-border: #E5E5E5;

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

  --section-decor-opacity: 0;
  --hero-overlay-opacity: 0.25;
  --radius-card: 0px;
}

/* ============================================================
   ベースタイポグラフィ上書き
   ============================================================ */

body {
  font-weight: 300;
  letter-spacing: 0.03em;
}

/* ============================================================
   ヘッダー — スクロール前は白テキスト
   ============================================================ */

.site-header .logo,
.site-header .nav-pc a {
  color: #fff;
}

.site-header .hamburger span {
  background-color: #fff;
}

.site-header .btn-reserve-pc {
  background-color: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.site-header .btn-reserve-pc:hover {
  background-color: rgba(255, 255, 255, 0.15);
  opacity: 1;
}

/* スクロール後は標準色に戻す */
.site-header.scrolled .logo,
.site-header.scrolled .nav-pc a {
  color: var(--color-text);
}

.site-header.scrolled .hamburger span {
  background-color: var(--color-text);
}

.site-header.scrolled .btn-reserve-pc {
  background-color: var(--color-main);
  color: #fff;
  border: none;
}

/* ============================================================
   ヒーロー（D=1: 静止画1枚）
   ============================================================ */

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

.hero-en {
  font-family: 'DM Serif Display', serif;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.hero-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
  font-size: 3.2rem;
  color: #fff;
  letter-spacing: 0.12em;
  margin-bottom: 20px;
  line-height: 1.6;
}

.hero-subtitle {
  font-family: 'DM Serif Display', serif;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.35em;
  margin-bottom: 52px;
}

.hero .btn-primary {
  background-color: transparent;
  border: 1px solid rgba(255, 255, 255, 0.7);
  color: #fff;
  letter-spacing: 0.15em;
}

.hero .btn-primary:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* ============================================================
   セクション内padding（ミニマル・余白多め）
   ============================================================ */

.section-inner {
  padding: 140px var(--gutter);
}

/* ============================================================
   C=2: section-en を 4.5rem に
   ============================================================ */

.section-en {
  font-family: 'DM Serif Display', serif;
  font-size: 4.5rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  opacity: 0.9;
  color: var(--color-main);
}

/* ============================================================
   H=1: section-header — 装飾なし、細い罫線のみ
   ============================================================ */

.section-header {
  margin-bottom: 60px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 32px;
}

.section-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
  font-size: 0.9375rem;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
  margin-top: 16px;
}

/* ============================================================
   セクション背景（交互）
   ============================================================ */

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

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

/* ============================================================
   コンセプト（B=1: 縦積み、中央寄せ）
   ============================================================ */

.concept-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  max-width: 760px;
  margin: 0 auto;
}

.concept-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

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

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

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

.concept-text p {
  font-size: 0.9375rem;
  line-height: 2;
  color: var(--color-text);
  font-weight: 300;
}

.concept-text .btn-secondary {
  align-self: flex-start;
}

/* ============================================================
   選ばれる理由（3列グリッド）
   ============================================================ */

.reasons-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.reason-card {
  border: 1px solid var(--color-border);
  border-radius: 0;
  padding: 40px 32px;
  background-color: var(--color-base);
  transition: box-shadow var(--transition-base);
}

.reason-card:hover {
  transform: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.reason-number {
  font-family: 'DM Serif Display', serif;
  font-size: 2.5rem;
  color: var(--color-accent);
  margin-bottom: 16px;
  line-height: 1;
  display: block;
}

.reason-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 12px;
  line-height: 1.6;
}

.reason-text {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.85;
  font-weight: 300;
}

/* ============================================================
   メニュー（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);
  border: 1px solid var(--color-border);
  border-radius: 0;
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background-color: var(--color-base);
  transition: box-shadow var(--transition-base);
}

.menu-card:hover {
  transform: none;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
}

.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(1.04);
}

.menu-body {
  padding: 24px 28px 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-border);
}

.menu-name {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 6px;
}

.menu-duration {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.menu-desc {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 16px;
  font-weight: 300;
}

.menu-price {
  font-family: 'DM Serif Display', serif;
  font-size: 1.3rem;
  color: var(--color-text);
  margin-top: auto;
  letter-spacing: 0.02em;
}

.menu-price span {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.75rem;
  color: var(--color-text-light);
  font-weight: 300;
  margin-left: 4px;
}

/* ============================================================
   スタッフ（B=1: 縦積み・左右交互なし）
   ============================================================ */

.staff-list {
  display: flex;
  flex-direction: column;
  gap: 60px;
  max-width: 800px;
  margin: 0 auto;
}

.staff-card {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  align-items: start;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 60px;
}

.staff-card:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

/* B=1: nth-child(even) の逆転なし */

.staff-image {
  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: 10px;
  padding-top: 8px;
}

.staff-role {
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: 'DM Serif Display', serif;
}

.staff-name {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-text);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.staff-license {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  font-weight: 300;
}

.staff-message {
  font-size: 0.875rem;
  line-height: 1.9;
  color: var(--color-text);
  margin-top: 8px;
  font-weight: 300;
}

/* ============================================================
   お客様の声（G=2: voice-swiper / ミニマル）
   ============================================================ */

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

.voice-swiper .swiper-button-next,
.voice-swiper .swiper-button-prev {
  color: var(--color-accent);
  width: 36px;
  height: 36px;
}

.voice-swiper .swiper-button-next::after,
.voice-swiper .swiper-button-prev::after {
  font-size: 0.875rem;
}

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

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

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

.voice-card {
  padding: 0;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: 0;
  background-color: var(--color-base);
}

.voice-card:hover {
  transform: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.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 28px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.voice-rating {
  color: var(--color-accent);
  letter-spacing: 2px;
  font-size: 0.875rem;
  margin-bottom: 12px;
}

.voice-text {
  font-size: 0.875rem;
  line-height: 1.9;
  color: var(--color-text);
  flex: 1;
  margin-left: -13px;
  margin-right: -13px;
  margin-bottom: 16px;
  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: 'Noto Sans JP', sans-serif;
  font-size: 0.875rem;
  font-style: normal;
  color: var(--color-text);
  font-weight: 500;
}

.voice-profile {
  font-size: 0.75rem;
  color: var(--color-text-light);
  font-weight: 300;
}

/* ============================================================
   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;
  gap: 0;
}

.info-row {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.info-row:first-child {
  border-top: 1px solid var(--color-border);
}

.info-row dt {
  color: var(--color-text-light);
  font-weight: 400;
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  padding-top: 2px;
}

.info-row dd {
  color: var(--color-text);
  line-height: 1.7;
  font-weight: 300;
}

.info-row dd a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.info-map iframe {
  display: block;
  width: 100%;
  border: 1px solid var(--color-border);
}

/* ============================================================
   CTAセクション（ミニマル・ほぼ黒）
   ============================================================ */

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

.cta-title {
  color: #f8f8f8;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
  letter-spacing: 0.08em;
}

.cta .btn-primary {
  background-color: var(--color-accent);
  color: #1A1A1A;
}

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

.cta .btn-secondary {
  border-color: rgba(255, 255, 255, 0.4);
  color: #f8f8f8;
}

.cta .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
}

/* ============================================================
   フッター
   ============================================================ */

.site-footer {
  background-color: #111;
  color: rgba(255, 255, 255, 0.7);
}

.footer-logo {
  font-family: 'DM Serif Display', serif;
  color: #fff;
  letter-spacing: 0.2em;
}

.footer-address {
  color: rgba(255, 255, 255, 0.5);
}

.footer-copy {
  color: rgba(255, 255, 255, 0.3);
}

/* ============================================================
   ボタン上書き（アクセントカラーで統一）
   ============================================================ */

.btn-primary {
  background-color: var(--color-main);
}

.btn-primary:hover {
  background-color: var(--color-accent);
}

.btn-secondary {
  color: var(--color-text);
  border-color: var(--color-text);
}

.btn-secondary:hover {
  background-color: var(--color-text);
  color: #fff;
}

.btn-reserve-pc {
  background-color: var(--color-main);
}

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

@media (max-width: 768px) {
  /* C=2: SP では少し小さく */
  .section-en {
    font-size: 2.4rem;
  }

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

  .section-inner {
    padding: 80px var(--gutter-sp);
  }

  /* コンセプト: 既に縦積みなのでそのまま */
  .concept-inner {
    gap: 32px;
  }

  /* 理由: 1列 */
  .reasons-list {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  /* メニュー: 1列 */
  .menu-card {
    flex: 0 0 100%;
  }

  /* スタッフ: 縦積み */
  .staff-card {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .staff-image {
    aspect-ratio: 4 / 3;
    max-width: 280px;
  }

  /* サロン情報: 縦積み */
  .info-content {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

/* レスポンシブ（〜480px） */
@media (max-width: 480px) {
  .section-en {
    font-size: 2rem;
  }

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

  .reasons-list {
    gap: 16px;
  }

  .reason-card {
    padding: 28px 20px;
  }

  .info-row {
    font-size: 0.8125rem;
  }
}