/* ==========================================================================
   ヤブツバキ 1Dayオンラインマスターレッスン LP スタイルシート
   Design Concept: 伝統工芸の気品と静謐な美、現代的な可読性の両立
   ========================================================================== */

:root {
  /* カラーパレット */
  --camellia-red: #9e1d27;
  --camellia-deep: #7a151e;
  --camellia-soft: #c24d56;
  --camellia-light: #f7edee;
  
  --ink-black: #1f1d1b;
  --text-primary: #2d2a28;
  --text-secondary: #5e5954;
  --text-muted: #8c857e;
  
  --washi-bg: #faf8f5;
  --washi-card: #ffffff;
  --washi-tint: #f3efe8;
  --border-light: #e6e0d6;
  --border-dark: #ccbeae;
  
  --gold-accent: #bfa05d;
  --gold-light: #f5eedb;
  --forest-green: #3a533f;
  --forest-light: #eef3ef;
  
  /* タイポグラフィ */
  --font-serif: 'Noto Serif JP', 'Shippori Mincho', 'Yu Mincho', serif;
  --font-sans: 'Noto Sans JP', 'Hiragino Sans', 'Meiryo', sans-serif;
  --font-en: 'Cormorant Garamond', 'Times New Roman', serif;
  
  /* レイアウト */
  --container-max: 840px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-subtle: 0 4px 20px rgba(31, 29, 27, 0.05);
  --shadow-card: 0 8px 30px rgba(31, 29, 27, 0.08);
}

/* リセット＆基本設定 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* NOTE: Lenis / smooth scroll 競合防止のため CSS scroll-behavior: smooth は設定しない */
html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--washi-bg);
  line-height: 1.85;
  letter-spacing: 0.03em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ドラッグ干渉防止 (ユーザー定義ルール遵守) */
img, a, video {
  -webkit-user-drag: none;
  user-drag: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* コンテナ設定 */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* ヘッダー・トップバー */
.site-header {
  background-color: rgba(250, 248, 245, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
  padding: 11px 20px;
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.brand-title:hover {
  color: var(--camellia-deep);
}

.header-badge {
  font-size: 0.74rem;
  background: var(--camellia-light);
  color: var(--camellia-deep);
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 500;
  letter-spacing: 0.05em;
  border: 1px solid rgba(158, 29, 39, 0.2);
  white-space: nowrap;
  flex-shrink: 0;
}

@media (max-width: 440px) {
  .site-header {
    padding: 8px 12px;
    gap: 6px;
  }
  .brand-title {
    font-size: 0.72rem;
    letter-spacing: 0.02em;
  }
  .header-badge {
    font-size: 0.68rem;
    padding: 3px 8px;
  }
}

/* ==========================================================================
   1. ファーストビュー (Hero Section)
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 36px 0 48px;
  background: linear-gradient(180deg, var(--washi-bg) 0%, var(--washi-tint) 100%);
  border-bottom: 1px solid var(--border-light);
  overflow: hidden;
}

.hero-inner {
  text-align: center;
}

.hero-en-sub {
  font-family: var(--font-en);
  font-size: 1.15rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold-accent);
  margin-bottom: 12px;
  display: inline-block;
  font-weight: 500;
}

.hero-main-title {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 5.5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink-black);
  margin-bottom: 18px;
  letter-spacing: 0.06em;
}

.hero-main-title .highlight-red {
  color: var(--camellia-red);
  display: inline-block;
}

.hero-lead-text {
  font-family: var(--font-serif);
  font-size: clamp(0.95rem, 2.8vw, 1.12rem);
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 28px;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

/* ヒーロー写真カード */
.hero-photo-wrapper {
  margin: 0 auto 32px;
  max-width: 580px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
  background-color: #0d0d0d;
}

.hero-photo-wrapper img {
  width: 100%;
  aspect-ratio: 9 / 12;
  object-fit: cover;
  object-position: center;
}

.hero-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px 20px;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0) 100%);
  color: #fff;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-align: left;
}

/* 開催要項クイックカード */
.hero-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  max-width: 680px;
  margin: 0 auto 28px;
  text-align: left;
}

.info-item {
  background: var(--washi-card);
  border: 1px solid var(--border-light);
  padding: 14px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-subtle);
}

.info-item-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.info-item-val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-black);
}

.info-item-val.price {
  color: var(--camellia-red);
  font-size: 1.15rem;
}

/* ==========================================================================
   CTA ボタンコンポーネント (改善アクション②: 冒頭直後と末尾の2か所)
   ========================================================================== */
.cta-block {
  text-align: center;
  margin: 24px auto;
  max-width: 520px;
}

.cta-sub-note {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.cta-sub-note .time-badge {
  background: var(--gold-light);
  color: #7d6325;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.btn-primary {
  display: block;
  width: 100%;
  background: linear-gradient(135deg, var(--camellia-red) 0%, var(--camellia-deep) 100%);
  color: #ffffff;
  padding: 18px 24px;
  border-radius: 50px;
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-align: center;
  box-shadow: 0 6px 20px rgba(158, 29, 39, 0.35);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(158, 29, 39, 0.45);
}

.btn-primary .btn-arrow {
  display: inline-block;
  margin-left: 8px;
  transition: transform 0.2s ease;
}

.btn-primary:hover .btn-arrow {
  transform: translateX(4px);
}

.cta-reassurance {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 10px;
  line-height: 1.6;
}

/* ==========================================================================
   共通セクションレイアウト
   ========================================================================== */
.section {
  padding: 64px 0;
  border-bottom: 1px solid var(--border-light);
}

.section.tinted {
  background-color: var(--washi-tint);
}

.section-head {
  text-align: center;
  margin-bottom: 40px;
}

.section-tag {
  font-family: var(--font-en);
  font-size: 0.95rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-accent);
  margin-bottom: 8px;
  display: block;
  font-weight: 600;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 4vw, 1.95rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink-black);
  letter-spacing: 0.04em;
}

.section-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 12px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   2. 椿の魅力＆実写ギャラリー
   ========================================================================== */
.artisan-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 36px;
}

@media (min-width: 640px) {
  .artisan-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

.artisan-card {
  background: var(--washi-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
}

.artisan-card-img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background-color: #141414;
}

.artisan-card-body {
  padding: 20px;
}

.artisan-card-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--ink-black);
  margin-bottom: 8px;
  font-weight: 600;
}

.artisan-card-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.quote-box {
  background: var(--washi-card);
  border-left: 3px solid var(--camellia-red);
  padding: 20px 24px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 32px 0;
  box-shadow: var(--shadow-subtle);
}

.quote-box p {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  color: var(--text-primary);
  line-height: 1.9;
}

/* 砂糖素材についての正確な注記 */
.material-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  background: rgba(0,0,0,0.03);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  margin-top: 16px;
  line-height: 1.6;
}

/* 360° 実写動画ショーケース */
.video-showcase-box {
  background: var(--washi-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-top: 36px;
  display: flex;
  flex-direction: column;
}

@media (min-width: 768px) {
  .video-showcase-box {
    flex-direction: row;
    align-items: center;
  }
}

.video-wrapper {
  position: relative;
  width: 100%;
  background: #0d0d0d;
  flex-shrink: 0;
  overflow: hidden;
}

@media (min-width: 768px) {
  .video-wrapper {
    width: 44%;
  }
}

.video-wrapper video {
  width: 100%;
  height: 100%;
  max-height: 480px;
  object-fit: cover;
  display: block;
}

.video-caption-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 14px 18px;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0) 100%);
  color: #fff;
  text-align: left;
}

.video-caption-overlay span {
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #f7d6dc;
  display: block;
  margin-bottom: 2px;
}

.video-caption-overlay p {
  font-family: var(--font-serif);
  font-size: 0.82rem;
  margin: 0;
  line-height: 1.4;
}

.video-desc {
  padding: 28px 24px;
  flex-grow: 1;
}

.video-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--camellia-red);
  background: var(--camellia-light);
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.video-desc h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--ink-black);
  line-height: 1.5;
  margin-bottom: 12px;
}

.video-desc p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 18px;
}

.video-feature-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.video-feature-item {
  border-left: 2px solid var(--camellia-red);
  padding-left: 12px;
}

.video-feature-item strong {
  display: block;
  font-size: 0.88rem;
  color: var(--ink-black);
  margin-bottom: 2px;
}

.video-feature-item span {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   3. 制作内容と7つの工程 (ステップ展開)
   ========================================================================== */
.overview-card {
  background: var(--washi-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-subtle);
  margin-bottom: 36px;
}

.overview-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--camellia-deep);
  margin-bottom: 16px;
  border-bottom: 2px solid var(--camellia-light);
  padding-bottom: 10px;
}

.overview-list {
  list-style: none;
}

.overview-list li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--border-light);
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 0.95rem;
}

.overview-list li:last-child {
  border-bottom: none;
}

.overview-list .tag-badge {
  background: var(--camellia-light);
  color: var(--camellia-deep);
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 600;
  flex-shrink: 0;
}

/* ステップフロー */
.step-timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
}

.step-card {
  background: var(--washi-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

@media (min-width: 640px) {
  .step-card {
    flex-direction: row;
    align-items: stretch;
  }
}

.step-media {
  position: relative;
  width: 100%;
  height: 200px;
  flex-shrink: 0;
  background-color: #1a1a1a;
  overflow: hidden;
}

@media (min-width: 640px) {
  .step-media {
    width: 220px;
    height: auto;
    min-height: 160px;
  }
}

.step-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.3s ease;
}

.step-card:hover .step-media img {
  transform: scale(1.04);
}

.step-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--camellia-red);
  color: #fff;
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: 4px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.step-demo-tag {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 4px;
  backdrop-filter: blur(4px);
}

.step-content {
  padding: 20px 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.step-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink-black);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.step-badge-demo {
  font-size: 0.72rem;
  background: #eee;
  color: #666;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 500;
}

.step-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ==========================================================================
   4. お届けするもの＆スターターキット (改善アクション③)
   ========================================================================== */
.package-box {
  background: var(--washi-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow-card);
  margin-bottom: 32px;
}

.package-header {
  text-align: center;
  margin-bottom: 24px;
}

.package-header h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--ink-black);
  margin-bottom: 8px;
}

.package-header p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.items-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

@media (min-width: 560px) {
  .items-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.item-check-card {
  background: var(--washi-bg);
  border: 1px solid var(--border-light);
  padding: 14px 16px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.check-icon {
  color: var(--forest-green);
  font-weight: bold;
  font-size: 1.1rem;
  line-height: 1;
}

.item-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-black);
}

.item-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* スターターキット枠 */
.starter-kit-card {
  background: linear-gradient(180deg, #fffdf8 0%, #faf5ea 100%);
  border: 2px solid var(--gold-accent);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  margin-top: 32px;
  box-shadow: var(--shadow-card);
}

.starter-badge {
  display: inline-block;
  background: var(--gold-accent);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.starter-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--ink-black);
  margin-bottom: 12px;
}

.starter-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.starter-hero-photo {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-subtle);
  margin-bottom: 20px;
  background: #ffffff;
}

.starter-hero-photo img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.starter-photo-caption {
  padding: 10px 14px;
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--washi-tint);
  border-top: 1px solid var(--border-light);
  text-align: center;
}

.price-summary-box {
  background: var(--washi-card);
  border: 1px solid var(--border-dark);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin-top: 16px;
}

.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 0.9rem;
}

.price-row.total {
  border-top: 2px solid var(--border-dark);
  margin-top: 8px;
  padding-top: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--camellia-deep);
}

/* ==========================================================================
   5. 4つの受講サポート (改善アクション④)
   ========================================================================== */
.support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 640px) {
  .support-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.support-card {
  background: var(--washi-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-subtle);
}

.support-icon-num {
  font-family: var(--font-en);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--gold-accent);
  line-height: 1;
  margin-bottom: 12px;
}

.support-title {
  font-family: var(--font-serif);
  font-size: 1.12rem;
  color: var(--ink-black);
  margin-bottom: 8px;
  font-weight: 600;
}

.support-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* Zoom 手元カメラ安心ブロック */
.zoom-reassurance-card {
  background: var(--washi-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  margin-top: 32px;
  display: flex;
  flex-direction: column;
}

@media (min-width: 768px) {
  .zoom-reassurance-card {
    flex-direction: row;
    align-items: center;
  }
}

.zoom-img-col {
  position: relative;
  width: 100%;
  flex-shrink: 0;
  background: #141414;
}

@media (min-width: 768px) {
  .zoom-img-col {
    width: 48%;
  }
}

.zoom-live-img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.zoom-live-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 4px;
  backdrop-filter: blur(4px);
  border-left: 3px solid #2d7ff9;
}

.zoom-text-col {
  padding: 28px 24px;
  flex-grow: 1;
}

.zoom-text-col h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--ink-black);
  line-height: 1.6;
  margin-bottom: 12px;
}

.zoom-text-col p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ==========================================================================
   6. 講師紹介
   ========================================================================== */
.instructor-card {
  background: var(--washi-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (min-width: 640px) {
  .instructor-card {
    flex-direction: row;
    align-items: flex-start;
    gap: 32px;
    padding: 36px 32px;
  }
  .instructor-img-col {
    width: 220px;
    flex-shrink: 0;
  }
  .instructor-info-col {
    flex-grow: 1;
  }
}

.instructor-portrait {
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center 15%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-subtle);
}

.instructor-title-en {
  font-family: var(--font-en);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: var(--gold-accent);
  text-transform: uppercase;
}

.instructor-name {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  color: var(--ink-black);
  margin: 6px 0 10px;
  font-weight: 600;
}

.instructor-role {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.award-badge {
  background: var(--forest-light);
  color: var(--forest-green);
  border: 1px solid rgba(58, 83, 63, 0.2);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 18px;
  display: inline-block;
  line-height: 1.5;
}

.instructor-history-box {
  background: rgba(245, 243, 238, 0.7);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  margin-bottom: 20px;
}

.history-title {
  font-family: var(--font-serif);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-black);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.history-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 14px;
  background: var(--camellia-deep);
  border-radius: 2px;
}

.history-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.history-list li {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.6;
  position: relative;
  padding-left: 14px;
}

.history-list li::before {
  content: "•";
  position: absolute;
  left: 2px;
  color: var(--gold-accent);
  font-size: 1rem;
  line-height: 1;
}

.history-list li strong {
  color: var(--ink-black);
  font-weight: 600;
}

.instructor-msg {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.85;
}

/* ==========================================================================
   7. 募集要項・料金テーブル
   ========================================================================== */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--washi-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--border-light);
  margin-bottom: 32px;
}

.spec-table th, .spec-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.92rem;
  text-align: left;
}

.spec-table tr:last-child th, .spec-table tr:last-child td {
  border-bottom: none;
}

.spec-table th {
  background: var(--washi-tint);
  color: var(--text-primary);
  width: 32%;
  font-weight: 600;
}

.spec-table td {
  color: var(--text-secondary);
  line-height: 1.7;
}

.spec-table .important-val {
  color: var(--camellia-deep);
  font-weight: 600;
}

/* ==========================================================================
   8. よくあるご質問 (FAQ アコーディオン)
   ========================================================================== */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--washi-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
}

.faq-question {
  width: 100%;
  padding: 18px 20px;
  text-align: left;
  background: none;
  border: none;
  font-family: var(--font-serif);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink-black);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  line-height: 1.5;
}

.faq-question .q-icon {
  color: var(--camellia-red);
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 1.15rem;
  margin-right: 6px;
}

.faq-toggle-icon {
  font-size: 1.2rem;
  color: var(--text-muted);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.faq-item.is-open .faq-toggle-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 20px;
  background: var(--washi-bg);
  border-top: 1px solid transparent;
}

.faq-item.is-open .faq-answer {
  max-height: 500px;
  padding: 16px 20px 20px;
  border-top: 1px solid var(--border-light);
  transition: max-height 0.4s ease-in-out;
}

.faq-answer p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ==========================================================================
   9. フッター
   ========================================================================== */
.site-footer {
  background-color: var(--ink-black);
  color: #c9c5bd;
  padding: 48px 20px 80px;
  text-align: center;
  font-size: 0.82rem;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  color: #fff;
  margin-bottom: 12px;
}

.footer-logo a {
  color: #fff;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.footer-logo a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 20px 0;
  flex-wrap: wrap;
}

.footer-links a {
  color: #aaa;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #fff;
}

.footer-copy {
  color: #777;
  font-size: 0.75rem;
  margin-top: 16px;
}

/* フローティングCTA (スマホ下部固定) */
.floating-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--border-light);
  padding: 10px 16px;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 99;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.floating-cta-bar.is-visible {
  transform: translateY(0);
}

.floating-price {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.floating-price strong {
  font-size: 1.05rem;
  color: var(--camellia-red);
}

.floating-btn {
  background: linear-gradient(135deg, var(--camellia-red) 0%, var(--camellia-deep) 100%);
  color: #fff;
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 3px 10px rgba(158, 29, 39, 0.3);
}

@media (min-width: 768px) {
  .floating-cta-bar {
    display: none;
  }
}
