/* フォント定義：小塚ゴシック Pr6N（ゴシック）／ヒラギノ明朝W3（明朝）*/
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    --green: #5a7a52;
    --green-light: #7a9a72;
    --green-btn: #4a7040;
    --beige: #c8b89a;
    --beige-light: #e8ddd0;
    --beige-bg: #f5f0ea;
    --brown-bg: #9a8a78;
    --brown-dark: #7a6a58;
    --white: #ffffff;
    --text-dark: #3a3028;
    --text-mid: #5a5048;
    --text-light: #8a7a68;
    --radius: 12px;
    --max-w: 1100px;
  }

  html { scroll-behavior: smooth; }

  body {
    font-family: 'kozuka-gothic-pr6n', '小塚ゴシック Pr6N', 'KozGoPr6N', sans-serif;
    color: var(--text-dark);
    background: var(--white);
    font-weight: 300;
    line-height: 1.8;
    overflow-x: hidden;
  }

  img { max-width: 100%; display: block; }
  a { text-decoration: none; color: inherit; }

  /* ========== HERO ========== */
  .hero {
    position: relative;
    min-height: 90vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    background: #f8f5f0;
    overflow: hidden;
  }

  .hero-content {
    padding: 80px 60px 80px 80px;
    position: relative;
    z-index: 2;
  }

  .hero-title {
    font-family: 'ヒラギノ明朝 ProN W3', 'Hiragino Mincho ProN', 'HiraMinProN-W3', serif;
    font-size: clamp(28px, 3.5vw, 48px);
    font-weight: 300;
    line-height: 1.5;
    color: var(--text-dark);
    margin-bottom: 24px;
  }

  .hero-desc {
    font-size: 14px;
    color: var(--text-mid);
    line-height: 2;
    margin-bottom: 40px;
    max-width: 340px;
  }

  .hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--green-btn);
    color: var(--white);
    padding: 14px 28px;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 400;
    transition: background 0.3s, transform 0.2s;
    white-space: nowrap;
  }
  .btn-primary:hover { background: var(--green); transform: translateY(-1px); }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--text-dark);
    padding: 14px 28px;
    border-radius: 40px;
    border: 1.5px solid var(--text-dark);
    font-size: 14px;
    font-weight: 400;
    transition: all 0.3s;
    white-space: nowrap;
  }
  .btn-outline:hover { background: var(--text-dark); color: var(--white); }

  .hero-image {
    position: relative;
    height: 90vh;
    overflow: hidden;
  }
  .hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
  }

  /* ========== CONCEPT ========== */
  .concept {
    padding: 100px 40px;
    max-width: var(--max-w);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
  }

  .concept-image {
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 4/3;
  }
  .concept-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .section-label {
    font-size: 13px;
    letter-spacing: 0.15em;
    margin-bottom: 12px;
    display: block;
  }

  .section-title {
    font-family: 'ヒラギノ明朝 ProN W3', 'Hiragino Mincho ProN', 'HiraMinProN-W3', serif;
    font-size: clamp(22px, 2.5vw, 34px);
    font-weight: 300;
    line-height: 1.6;
    margin-bottom: 32px;
    color: var(--text-dark);
  }

  .concept-lead {
    font-size: 14px;
    color: var(--text-mid);
    line-height: 2.1;
    margin-bottom: 28px;
  }

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

  .feature-item {
    background: var(--beige-bg);
    border-radius: 8px;
    padding: 20px 24px;
    border-left: 3px solid var(--beige);
  }

  .feature-item h4 {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 6px;
  }

  .feature-item p {
    font-size: 14px;
    line-height: 1.9;
  }

  /* ========== MENU ========== */
  .menu-section {
    background: var(--brown-bg);
    padding: 80px 40px;
  }

  .menu-inner {
    max-width: var(--max-w);
    margin: 0 auto;
  }

  .menu-section .section-label { color: #e8d8c8; }
  .menu-section .section-title { color: var(--white); }

  .menu-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 48px 0;
  }

  .menu-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px 28px;
  }

  .menu-card-tag {
    font-size: 11px;
    color: var(--text-light);
    letter-spacing: 0.1em;
    margin-bottom: 8px;
  }

  .menu-card h3 {
    font-family: 'ヒラギノ明朝 ProN W3', 'Hiragino Mincho ProN', 'HiraMinProN-W3', serif;
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 4px;
  }

  .menu-card-price {
    font-family: 'ヒラギノ明朝 ProN W3', 'Hiragino Mincho ProN', 'HiraMinProN-W3', serif;
    font-size: 36px;
    font-weight: 300;
    color: var(--text-dark);
    line-height: 1.2;
    margin-bottom: 16px;
  }

  .menu-card-price span {
    font-size: 18px;
  }

  .menu-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.9;
  }

  /* LINE Banner */
  .line-banner {
    background: var(--white);
    border: 2px solid var(--green);
    border-radius: var(--radius);
    padding: 28px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    max-width: 1017px;
    margin-left: auto;
    margin-right: auto;
  }

  .line-banner-text {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0;
  }

  .line-banner-marker {
    background: linear-gradient(transparent 55%, rgba(242, 206, 206, 0.85) 55%);
    display: inline;
    line-height: 1.8;
  }

  .line-banner-text a {
    color: #26ab6d;
    text-decoration: none;
  }

  .line-banner-sub {
    font-size: 14px;
    margin-top: 6px;
    font-weight: 300;
  }

  .btn-line {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #25b873;
    color: var(--white);
    padding: 14px 28px;
    border-radius: 40px;
    font-size: 14px;
    white-space: nowrap;
    transition: background 0.3s, box-shadow 0.3s;
    box-shadow:
      inset 0 2px 4px rgba(255,255,255,0.35),
      inset 0 -2px 4px rgba(0,0,0,0.2),
      0 4px 10px rgba(0,0,0,0.18);
  }
  .btn-line:hover {
    background: #1fa063;
    box-shadow:
      inset 0 1px 2px rgba(255,255,255,0.25),
      inset 0 -1px 3px rgba(0,0,0,0.2),
      0 2px 6px rgba(0,0,0,0.15);
  }

  .btn-line img {
    width: 20px;
    height: 20px;
  }

  /* ========== INSTRUCTOR ========== */
  .instructor {
    padding: 100px 40px;
    position: relative;
    overflow: hidden;
    background: var(--beige-bg);
  }

  /* 背景画像レイヤー */
  .instructor::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('images/bg.jpg');
    background-size: contain;
    background-position: center;
    filter: blur(6px) brightness(1.1);
    transform: scale(1.05); /* blur端のにじみ防止 */
    z-index: 0;
  }

  /* 白オーバーレイ */
  .instructor::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(245, 240, 234, 0.78);
    z-index: 1;
  }

  .instructor-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
  }

  .instructor-image-wrap {
    position: relative;
  }

  .instructor-image {
    width: 100%;
    aspect-ratio: 1/1;
    border-radius: 50%;
    overflow: hidden;
    max-width: 380px;
    margin: 0 auto;
    box-shadow: 0 8px 40px rgba(0,0,0,0.12);
  }

  .instructor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
  }

  .instructor-badge {
    position: absolute;
    bottom: 10px;
    left: 20px;
    background: rgba(255,255,255,0.92);
    color: var(--text-dark);
    padding: 14px 20px;
    border-radius: 8px;
    font-size: 11px;
    line-height: 1.7;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    text-align: center;
  }

  .instructor-name {
    font-family: 'ヒラギノ明朝 ProN W3', 'Hiragino Mincho ProN', 'HiraMinProN-W3', serif;
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 300;
    line-height: 1.1;
    margin-bottom: 28px;
    color: var(--text-dark);
  }

  .instructor-desc {
    font-size: 14px;
    color: var(--text-mid);
    line-height: 2.2;
  }

  /* ========== VOICE ========== */
  .voice-section {
    padding: 80px 40px;
    background: var(--brown-bg);
  }

  .voice-inner {
    max-width: var(--max-w);
    margin: 0 auto;
  }

  .voice-section .section-label { color: #e8d8c8; }
  .voice-section .section-title { color: var(--white); }

  .voice-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
  }

  .voice-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 28px 24px;
  }

  .voice-card h4 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 12px;
    color: var(--text-dark);
  }

  .voice-card p {
    font-size: 14px;
    line-height: 1.9;
    margin-bottom: 20px;
  }

  .voice-user {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--beige-light);
  }

  .voice-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
  }

  .voice-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    filter: brightness(1.1) contrast(0.9);
  }

  .voice-user-info {
    font-size: 12px;
    color: var(--text-light);
    line-height: 1.6;
  }

  /* ========== ACCESS ========== */
  .access-section {
    padding: 100px 40px;
    background: var(--white);
  }

  .access-inner {
    max-width: var(--max-w);
    margin: 0 auto;
  }

  .access-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    margin-top: 48px;
  }

  .access-map {
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 4/3;
  }

  .access-map img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .access-info h4 {
    font-family: 'ヒラギノ明朝 ProN W3', 'Hiragino Mincho ProN', 'HiraMinProN-W3', serif;
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .pin-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
    flex-shrink: 0;
    display: inline-block;
  }

  .access-info p {
    font-size: 14px;
    color: var(--text-mid);
    line-height: 1.9;
    margin-bottom: 24px;
    padding-left: 16px;
  }

  .access-btns {
    display: flex;
    gap: 70px;
    flex-wrap: wrap;
    margin-top: 70px;
    justify-content: center;
  }

  .btn-access-line {
    display: inline-flex;
    align-items: center;
    flex-direction: row;
    gap: 12px;
    background: #25b873;
    color: var(--white);
    padding: 20px 32px;
    border-radius: 8px;
    font-size: 18px;
    transition: background 0.3s, box-shadow 0.3s;
    justify-content: center;
    width: 490px;
    box-shadow:
      inset 0 2px 4px rgba(255,255,255,0.3),
      inset 0 -2px 4px rgba(0,0,0,0.2),
      0 6px 16px rgba(0,0,0,0.2);
  }
  .btn-access-line:hover {
    background: #1fa063;
    box-shadow:
      inset 0 1px 2px rgba(255,255,255,0.2),
      inset 0 -1px 3px rgba(0,0,0,0.2),
      0 3px 8px rgba(0,0,0,0.15);
  }

  .btn-access-form {
    display: inline-flex;
    align-items: center;
    flex-direction: row;
    gap: 12px;
    background: var(--green-btn);
    color: var(--white);
    padding: 20px 32px;
    border-radius: 8px;
    font-size: 18px;
    transition: background 0.3s, box-shadow 0.3s;
    justify-content: center;
    width: 490px;
    box-shadow:
      inset 0 2px 4px rgba(255,255,255,0.3),
      inset 0 -2px 4px rgba(0,0,0,0.2),
      0 6px 16px rgba(0,0,0,0.2);
  }
  .btn-access-form:hover {
    background: var(--green);
    box-shadow:
      inset 0 1px 2px rgba(255,255,255,0.2),
      inset 0 -1px 3px rgba(0,0,0,0.2),
      0 3px 8px rgba(0,0,0,0.15);
  }

  .btn-access-line img{
    width: 33px;
    height: 33px;
    object-fit: contain;
    flex-shrink: 0;
  }
  .btn-access-form img {
    width: 26px;
    height: 26px;
    object-fit: contain;
    flex-shrink: 0;
  }

  /* ========== FOOTER ========== */
  footer {
    background: var(--text-dark);
    color: rgba(255,255,255,0.5);
    text-align: center;
    padding: 32px;
    font-size: 12px;
  }

  /* ========== RESPONSIVE ========== */
  @media (max-width: 1024px) {
    .hero { grid-template-columns: 1fr; min-height: auto; }
    .hero-content { padding: 60px 40px; order: 2; }
    .hero-image { height: 50vw; min-height: 300px; order: 1; }

    .concept { grid-template-columns: 1fr; gap: 40px; padding: 60px 40px; }
    .menu-cards { grid-template-columns: 1fr 1fr; }
    .instructor-inner { grid-template-columns: 1fr; gap: 40px; }
    .instructor-image { max-width: 300px; }
    .voice-cards { grid-template-columns: 1fr 1fr; }
    .access-grid { grid-template-columns: 1fr; }
  }

  @media (max-width: 768px) {
    .hero-content { padding: 48px 24px; }
    .hero-image { height: 60vw; }

    .concept { padding: 60px 24px; }
    .menu-section { padding: 60px 24px; }
    .menu-cards { grid-template-columns: 1fr; }

    .line-banner {
      flex-direction: column;
      align-items: flex-start;
      padding: 24px;
    }

    .instructor { padding: 60px 24px; }
    .voice-section { padding: 60px 24px; }
    .voice-cards { grid-template-columns: 1fr; }

    .access-section { padding: 60px 24px; }
    .access-btns { 
      flex-direction: column; 
      align-items: center;
      margin-top: 35px;
      gap: 40px;
    }
    .btn-access-line, .btn-access-form {
      width: 100%;
      height: auto;
      padding: 20px;
      font-size: 15px;
      flex-direction: row;
      gap: 10px;
    }

    .instructor::before {
      background-size: cover;
    }
    .voice-avatar{
      width: 44px;
      height: 44px;
    }
  }

  @media (max-width: 480px) {
    .hero-title { font-size: 26px; }
    .hero-btns { flex-direction: column; }
    .btn-primary, .btn-outline { text-align: center; justify-content: center; }
    .menu-card-price { font-size: 30px; }
    .instructor-name { font-size: 36px; }
  }

/* ========================================
   フェードインアニメーション（main.js連携）
======================================== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}