@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;500;700&family=Shippori+Mincho:wght@400;500;700&family=EB+Garamond:ital,wght@0,400;0,500;1,400&display=swap');

  :root {
    --black: #0a0a0a;
    --white: #f5f4f0;
    --gray-light: #e8e6e0;
    --gray-mid: #999;
    --gray-dark: #444;
    --accent: #1a1a1a;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    background: var(--white);
    color: var(--black);
    font-family: 'Noto Serif JP', serif;
    font-weight: 300;
    line-height: 1.9;
    overflow-x: hidden;
  }

  /* ナビ */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: rgba(245,244,240,0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
  }

  .nav-logo {
    font-family: 'EB Garamond', serif;
    font-size: 1.1rem;
    letter-spacing: 0.12em;
    color: var(--black);
    text-decoration: none;
  }

  .nav-logo span {
    display: block;
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    color: var(--gray-mid);
    font-style: italic;
    margin-top: 1px;
  }

  .nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
    align-items: center;
  }

  .nav-links a {
    font-family: 'Noto Serif JP', serif;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: var(--gray-dark);
    text-decoration: none;
    transition: color 0.3s;
  }

  .nav-links a:hover { color: var(--black); }

  .nav-cta {
    background: var(--black) !important;
    color: var(--white) !important;
    padding: 10px 24px;
    border-radius: 2px;
    font-size: 0.72rem !important;
    letter-spacing: 0.2em !important;
    transition: opacity 0.3s !important;
  }

  .nav-cta:hover { opacity: 0.75 !important; }

  /* ヒーロー */
  .hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding-top: 80px;
  }

  .hero-image {
    position: relative;
    overflow: hidden;
  }

  .hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    filter: grayscale(100%) contrast(1.05);
  }

  .hero-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, transparent 60%, var(--white));
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 80px 60px 80px 40px;
  }

  .hero-label {
    font-family: 'EB Garamond', serif;
    font-size: 0.75rem;
    letter-spacing: 0.35em;
    color: var(--gray-mid);
    margin-bottom: 32px;
    text-transform: uppercase;
  }

  .hero-title {
    font-family: 'Shippori Mincho', serif;
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 700;
    line-height: 1.6;
    letter-spacing: 0.05em;
    margin-bottom: 40px;
    color: var(--black);
  }

  .hero-sub {
    font-size: 0.9rem;
    line-height: 2.2;
    color: var(--gray-dark);
    margin-bottom: 48px;
    max-width: 380px;
  }

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

  .btn-primary {
    background: var(--black);
    color: var(--white);
    padding: 16px 36px;
    font-family: 'Noto Serif JP', serif;
    font-size: 0.82rem;
    letter-spacing: 0.2em;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: opacity 0.3s;
    border-radius: 2px;
  }

  .btn-primary:hover { opacity: 0.75; }

  .btn-secondary {
    background: transparent;
    color: var(--black);
    padding: 16px 36px;
    font-family: 'Noto Serif JP', serif;
    font-size: 0.82rem;
    letter-spacing: 0.2em;
    border: 1px solid var(--black);
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
    border-radius: 2px;
  }

  .btn-secondary:hover {
    background: var(--black);
    color: var(--white);
  }

  /* セクション共通 */
  section {
    padding: 100px 0;
  }

  .container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 40px;
  }

  .section-label {
    font-family: 'EB Garamond', serif;
    font-size: 0.7rem;
    letter-spacing: 0.4em;
    color: var(--gray-mid);
    text-transform: uppercase;
    margin-bottom: 48px;
    display: block;
  }

  /* ペルソナ */
  .persona {
    background: var(--black);
    color: var(--white);
  }

  .persona .container {
    max-width: 720px;
  }

  .persona-text {
    font-family: 'Shippori Mincho', serif;
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 2.4;
    font-weight: 400;
  }

  .persona-text p {
    margin-bottom: 1.8em;
  }

  .persona-text .highlight {
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    color: #ccc;
    display: block;
    margin: 48px 0;
    line-height: 2;
  }

  /* コア */
  .core {
    background: var(--white);
  }

  .core-inner {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    align-items: start;
  }

  .core-title-block h2 {
    font-family: 'EB Garamond', serif;
    font-size: 2.5rem;
    font-weight: 400;
    font-style: italic;
    line-height: 1.3;
    color: var(--black);
    position: sticky;
    top: 120px;
  }

  .core-body {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.05rem;
    line-height: 2.6;
    color: var(--gray-dark);
  }

  .core-body p { margin-bottom: 2em; }

  .core-key {
    font-family: 'Shippori Mincho', serif;
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    color: var(--black);
    line-height: 2;
    margin: 48px 0;
    padding-left: 24px;
    border-left: 1px solid var(--black);
  }

  /* なぜ人が */
  .why {
    background: #f0eeea;
  }

  .why-body {
    font-family: 'Shippori Mincho', serif;
    font-size: 1rem;
    line-height: 2.6;
    color: var(--gray-dark);
    max-width: 640px;
  }

  .why-body p { margin-bottom: 2em; }

  .why-quote {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--black);
    margin: 48px 0;
    padding: 32px 40px;
    border-top: 1px solid var(--black);
    border-bottom: 1px solid var(--black);
    line-height: 2.2;
  }

  /* セッション */
  .session {
    background: var(--white);
  }

  .session-body {
    font-family: 'Shippori Mincho', serif;
    font-size: 1rem;
    line-height: 2.6;
    color: var(--gray-dark);
    max-width: 600px;
  }

  .session-body p { margin-bottom: 1.8em; }

  .session-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 64px;
    padding-top: 64px;
    border-top: 1px solid var(--gray-light);
  }

  .session-feature {
    text-align: center;
  }

  .session-feature-icon {
    font-family: 'EB Garamond', serif;
    font-size: 2rem;
    font-style: italic;
    color: var(--gray-mid);
    margin-bottom: 16px;
    display: block;
  }

  .session-feature p {
    font-size: 0.82rem;
    letter-spacing: 0.1em;
    color: var(--gray-dark);
    line-height: 1.8;
  }

  /* 変化 */
  .change {
    background: var(--black);
    color: var(--white);
  }

  .change-body {
    font-family: 'Shippori Mincho', serif;
    font-size: 1rem;
    line-height: 2.6;
    max-width: 640px;
  }

  .change-body p { margin-bottom: 2em; }

  .change-key {
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    color: #ccc;
    margin: 48px 0;
    line-height: 1.8;
    font-weight: 300;
  }

  /* 渇望 */
  .desire {
    background: var(--white);
    text-align: center;
  }

  .desire .container { max-width: 680px; }

  .desire-thanks {
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    color: var(--gray-mid);
    margin-bottom: 48px;
  }

  .desire-list {
    list-style: none;
    margin: 40px 0 56px;
    text-align: left;
    display: inline-block;
  }

  .desire-list li {
    font-family: 'Shippori Mincho', serif;
    font-size: 1rem;
    line-height: 2.2;
    color: var(--gray-dark);
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-light);
    padding-left: 20px;
    position: relative;
  }

  .desire-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--gray-mid);
  }

  .desire-closing {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.05rem;
    line-height: 2.2;
    color: var(--black);
    margin-top: 48px;
  }

  /* 定義 */
  .definition {
    background: #f0eeea;
    text-align: center;
  }

  .definition .container { max-width: 720px; }

  .def-main {
    font-family: 'Shippori Mincho', serif;
    font-size: clamp(1.3rem, 3vw, 2rem);
    font-weight: 400;
    line-height: 1.8;
    margin: 0 0 16px;
    color: var(--black);
  }

  .def-brand {
    font-family: 'EB Garamond', serif;
    font-size: clamp(1.5rem, 3.5vw, 2.5rem);
    font-style: italic;
    color: var(--gray-dark);
    margin-bottom: 64px;
    display: block;
  }

  .promise {
    font-family: 'Shippori Mincho', serif;
    font-size: 0.95rem;
    line-height: 2.6;
    color: var(--gray-dark);
    text-align: left;
    max-width: 580px;
    margin: 0 auto;
  }

  .promise p { margin-bottom: 1.8em; }

  /* 料金 */
  .pricing {
    background: var(--white);
  }

  .pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 48px;
  }

  .price-card {
    border: 1px solid var(--gray-light);
    padding: 40px 36px;
    position: relative;
    transition: border-color 0.3s;
  }

  .price-card:hover { border-color: var(--black); }

  .price-card.featured {
    border-color: var(--black);
    background: var(--black);
    color: var(--white);
  }

  .price-tier {
    font-family: 'EB Garamond', serif;
    font-size: 0.75rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--gray-mid);
    margin-bottom: 16px;
    display: block;
  }

  .price-card.featured .price-tier { color: #888; }

  .price-name {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 12px;
    color: inherit;
  }

  .price-amount {
    font-family: 'EB Garamond', serif;
    font-size: 2.4rem;
    font-weight: 400;
    letter-spacing: -0.02em;
    color: inherit;
    margin-bottom: 8px;
  }

  .price-note {
    font-size: 0.78rem;
    color: var(--gray-mid);
    margin-bottom: 24px;
    line-height: 1.8;
  }

  .price-card.featured .price-note { color: #888; }

  .price-desc {
    font-size: 0.85rem;
    line-height: 2;
    color: var(--gray-dark);
    border-top: 1px solid var(--gray-light);
    padding-top: 20px;
  }

  .price-card.featured .price-desc {
    color: #bbb;
    border-color: #333;
  }

  .price-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: var(--white);
    color: var(--black);
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    padding: 4px 16px;
    border: 1px solid var(--black);
  }

  .price-limit {
    text-align: center;
    margin-top: 48px;
    font-size: 0.82rem;
    color: var(--gray-mid);
    letter-spacing: 0.15em;
    padding: 24px;
    border: 1px solid var(--gray-light);
  }

  .price-limit strong {
    display: block;
    color: var(--black);
    font-size: 1rem;
    margin-bottom: 8px;
  }

  /* 申し込み */
  .apply {
    background: var(--black);
    color: var(--white);
  }

  .apply .container { max-width: 680px; text-align: center; }

  .apply h2 {
    font-family: 'Shippori Mincho', serif;
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 400;
    margin-bottom: 48px;
    line-height: 1.8;
  }

  .apply-form {
    text-align: left;
    margin-bottom: 40px;
  }

  .form-group {
    margin-bottom: 24px;
  }

  .form-group label {
    display: block;
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    color: #999;
    margin-bottom: 8px;
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid #444;
    padding: 12px 0;
    color: var(--white);
    font-family: 'Noto Serif JP', serif;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.3s;
    -webkit-appearance: none;
  }

  .form-group select {
    cursor: pointer;
  }

  .form-group select option {
    background: var(--black);
    color: var(--white);
  }

  .form-group input:focus,
  .form-group select:focus,
  .form-group textarea:focus {
    border-color: var(--white);
  }

  .form-group textarea {
    resize: vertical;
    min-height: 100px;
  }

  .form-submit {
    width: 100%;
    background: var(--white);
    color: var(--black);
    padding: 20px;
    font-family: 'Noto Serif JP', serif;
    font-size: 0.85rem;
    letter-spacing: 0.25em;
    border: none;
    cursor: pointer;
    transition: opacity 0.3s;
    margin-top: 16px;
  }

  .form-submit:hover { opacity: 0.85; }

  .apply-note {
    font-size: 0.75rem;
    color: #666;
    line-height: 2;
    margin-top: 32px;
  }

  /* 流れ */
  .flow {
    background: var(--white);
  }

  .flow-intro {
    font-family: 'Shippori Mincho', serif;
    font-size: 0.95rem;
    line-height: 2.2;
    color: var(--gray-dark);
    margin-bottom: 56px;
  }

  .flow-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .flow-card {
    border: 1px solid var(--gray-light);
    padding: 36px 32px;
    position: relative;
    transition: border-color 0.3s;
  }

  .flow-card:hover { border-color: var(--black); }

  .flow-num {
    font-family: 'EB Garamond', serif;
    font-size: 2.5rem;
    font-style: italic;
    color: var(--gray-light);
    display: block;
    margin-bottom: 16px;
    line-height: 1;
  }

  .flow-card h4 {
    font-family: 'Shippori Mincho', serif;
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 16px;
    color: var(--black);
  }

  .flow-card p {
    font-size: 0.85rem;
    line-height: 2.2;
    color: var(--gray-dark);
  }

  @media (max-width: 768px) {
    .flow-grid {
      grid-template-columns: 1fr;
    }
  }

  /* Natural Titleとは */
  .whatis {
    background: var(--white);
    border-bottom: 1px solid var(--gray-light);
  }

  .whatis-body {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.05rem;
    line-height: 2.6;
    color: var(--gray-dark);
    max-width: 560px;
  }

  .whatis-body p { margin-bottom: 1.6em; }

  /* プロフィール */
  .profile {
    background: #f0eeea;
  }

  .profile-inner {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 64px;
    align-items: start;
  }

  .profile-photo {
    position: sticky;
    top: 120px;
  }

  .profile-photo img {
    width: 100%;
    filter: grayscale(100%) contrast(1.05);
    display: block;
  }

  .profile-name {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.4rem;
    font-weight: 500;
    margin-bottom: 4px;
    color: var(--black);
  }

  .profile-origin {
    font-size: 0.78rem;
    letter-spacing: 0.15em;
    color: var(--gray-mid);
    margin-bottom: 32px;
  }

  .profile-text {
    font-family: 'Shippori Mincho', serif;
    font-size: 0.95rem;
    line-height: 2.4;
    color: var(--gray-dark);
    margin-bottom: 32px;
  }

  .profile-text p { margin-bottom: 1.6em; }

  .profile-link {
    display: inline-block;
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    color: var(--black);
    text-decoration: none;
    border-bottom: 1px solid var(--black);
    padding-bottom: 2px;
    margin-bottom: 40px;
    transition: opacity 0.3s;
  }

  .profile-link:hover { opacity: 0.5; }

  .profile-career {
    border-top: 1px solid var(--gray-light);
    padding-top: 32px;
  }

  .career-label {
    font-family: 'EB Garamond', serif;
    font-size: 0.7rem;
    letter-spacing: 0.35em;
    color: var(--gray-mid);
    text-transform: uppercase;
    margin-bottom: 16px;
  }

  .profile-career ul {
    list-style: none;
  }

  .profile-career li {
    font-size: 0.82rem;
    line-height: 2.2;
    color: var(--gray-dark);
    padding-left: 16px;
    position: relative;
  }

  .profile-career li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--gray-light);
  }

  @media (max-width: 768px) {
    .profile-inner {
      grid-template-columns: 1fr;
      gap: 32px;
    }

    .profile-photo {
      position: static;
      max-width: 200px;
    }
  }

  /* フッター */
  footer {
    background: var(--black);
    border-top: 1px solid #1a1a1a;
    padding: 40px;
    text-align: center;
  }

  .footer-logo {
    font-family: 'EB Garamond', serif;
    font-size: 1.2rem;
    font-style: italic;
    color: #555;
    margin-bottom: 8px;
    display: block;
  }

  .footer-tagline {
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    color: #444;
    margin-bottom: 24px;
  }

  .footer-nav {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
    margin: 16px 0 24px;
  }

  .footer-nav a {
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    color: #555;
    text-decoration: none;
    transition: color 0.3s;
  }

  .footer-nav a:hover { color: #999; }

  .footer-copy {
    font-size: 0.68rem;
    color: #333;
    letter-spacing: 0.1em;
  }

  /* モバイル */
  @media (max-width: 768px) {
    nav { padding: 16px 20px; }
    .nav-links { display: none; }

    .hero {
      grid-template-columns: 1fr;
      min-height: auto;
    }

    .hero-image {
      height: 80vw;
    }

    .hero-image img {
      object-position: center 20%;
    }

    .hero-image::after {
      background: linear-gradient(to bottom, transparent 50%, var(--white));
    }

    .hero-content {
      padding: 40px 24px 60px;
    }

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

    .core-title-block h2 {
      position: static;
      font-size: 2rem;
    }

    .session-features {
      grid-template-columns: 1fr;
      gap: 24px;
    }

    .pricing-grid {
      grid-template-columns: 1fr;
    }

    .container { padding: 0 24px; }
    section { padding: 64px 0; }
  }

  /* アニメーション */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .fade-up {
    animation: fadeUp 0.9s ease both;
  }

  .fade-up-2 { animation-delay: 0.15s; }
  .fade-up-3 { animation-delay: 0.3s; }
  .fade-up-4 { animation-delay: 0.45s; }