/* 바마움 공통 chrome CSS — front-page.php에서 분리. 자동 생성: build.py 영역.
   경로: 같은 디렉토리(assets/simm/)의 bamaum.svg, bamaum-slide.webp 등 상대 참조. */
/* ===========  Design Tokens  =========== */
  :root {
    --cream:       #FAF7F2;
    --cream-deep:  #F5F0E8;
    --beige:       #EDE8DF;
    --navy:        #1A1A2E;
    --navy-soft:   #2C2C3E;
    --ink:         #3D3D4A;
    --muted:       #8A8A95;
    --line:        #E5DFD4;
    --green:       #4CAF7D;
    --green-dark:  #3E9669;
    --gold:        #C9A84C;
    --gold-bright: #F5D269;
    --paper:       #F9F4EA;
    --white:       #FFFFFF;

    --font-kr:     'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif:  'Noto Serif KR', serif;
    --font-en:     'Inter', sans-serif;

    --max:         1120px;
    --radius:      6px;
    --ease:        cubic-bezier(0.4, 0, 0.2, 1);
    --nav-h:       64px;
  }

  /* ===========  Reset & Base  =========== */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: auto; }
  body {
    font-family: var(--font-kr);
    background: var(--cream);
    color: var(--ink);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  .container {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 clamp(16px, 4vw, 28px);
  }

  h1, h2, h3, h4 { color: var(--navy); letter-spacing: -0.01em; font-weight: 600; line-height: 1.35; }
  p { color: var(--ink); }
  a { color: inherit; text-decoration: none; }
  button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

  /* Anchor offset for sticky nav */
  #register { scroll-margin-top: calc(var(--nav-h) + 20px); }

  /* ===========  Auth Bar (WP conditional)  =========== */
  .auth-bar {
    padding: 14px 0 6px;
    background: var(--cream);
  }
  .auth-bar-inner {
    display: flex;
    justify-content: center;
    gap: 14px;
    align-items: center;
  }
  .auth-state {
    display: flex;
    gap: 14px;
    align-items: center;
  }
  /* .auth-member / .auth-guest are rendered conditionally by PHP — only one at a time */
  .auth-link {
    color: var(--muted);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.04em;
    transition: color 0.2s var(--ease);
    padding: 2px 0;
  }
  .auth-link:hover { color: var(--navy); }
  .auth-sep {
    color: var(--line);
    font-size: 11px;
    user-select: none;
  }

  /* Footer auth — 다크 navy 배경에 맞춘 톤 (footer-legal의 border-bottom으로 분리됨) */
  .footer-auth {
    display: flex;
    justify-content: center;
    gap: 14px;
    align-items: center;
  }
  .footer-auth .auth-link {
    font-size: 13px;
    color: rgba(255,255,255,0.65);
  }
  .footer-auth .auth-link:hover { color: var(--gold-bright, #F5D269); }
  .footer-auth .auth-sep { color: rgba(255,255,255,0.25); }

  /* ===========  Header  =========== */
  .site-header {
    padding: 28px 0;
    background: var(--cream);
  }
  .site-header .container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  .logo {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 22px;
    color: var(--navy);
    letter-spacing: 0.16em;
  }
  /* Bamaum logo mark (CSS mask — colors from parent via currentColor) */
  .bamaum-mark {
    display: block;
    background-color: currentColor;
    -webkit-mask: url('bamaum.svg') center / contain no-repeat;
    mask: url('bamaum.svg') center / contain no-repeat;
  }
  .site-header .bamaum-mark {
    width: 26px;
    height: 44px;
    color: var(--navy);
    margin: 0 auto 10px;
  }
  .site-footer .bamaum-mark {
    width: 30px;
    height: 52px;
    color: #BCB193;
    margin: 0 auto 30px;
  }
  .site-title { text-align: center; }
  .site-title-main {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 26px;
    color: var(--navy);
    letter-spacing: 0.14em;
    line-height: 1.3;
    margin-bottom: 6px;
  }
  .site-title-sub {
    font-size: 12px;
    color: var(--muted);
    letter-spacing: 0.14em;
    font-weight: 400;
  }

  /* ===========  Tabs Nav (sticky)  =========== */
  .tabs-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(250, 247, 242, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }
  .tabs-nav .container {
    display: flex;
    justify-content: center;
    overflow: visible;            /* dropdown 잘림 방지 — 모바일에선 미디어쿼리로 auto */
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .tabs-nav .container::-webkit-scrollbar { display: none; }
  .tab {
    flex-shrink: 0;
    padding: 22px 24px;
    font-size: 15px;
    font-weight: 500;
    color: var(--muted);
    position: relative;
    transition: color 0.2s var(--ease);
    white-space: nowrap;
  }
  .tab:hover { color: var(--navy); }
  .tab.active {
    color: var(--navy);
    font-weight: 600;
  }
  .tab.active::after {
    content: "";
    position: absolute;
    left: 24px;
    right: 24px;
    bottom: -1px;
    height: 2px;
    background: var(--navy);
  }
  /* 특별 강의 탭의 ✦ 좌우 마크 — wrapper 기준 absolute 배치로 완전 대칭 */
  .tab .tab-text-wrap {
    position: relative;
    display: inline-block;
  }
  .tab .tab-mark {
    color: var(--gold);
    font-size: 13px;
    line-height: 1;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    transition: color .2s;
  }
  .tab .tab-mark--left  { right: calc(100% + 4px); }
  .tab .tab-mark--right { left:  calc(100% + 4px); }
  .tab.active .tab-mark { color: var(--gold-bright); }

  /* S.I.M.M 탭 secondary dropdown — PC hover, 모바일 click toggle */
  .tab-group {
    position: relative;
    display: inline-block;
    flex-shrink: 0;
  }
  .tab-group .tab { display: inline-flex; align-items: center; }
  .tab-caret {
    margin-left: 4px;
    font-size: 9px;
    color: var(--muted);
    transition: transform .2s;
    display: inline-block;
  }
  .tab-group:hover .tab-caret,
  .tab-group.is-open .tab-caret { transform: rotate(180deg); color: var(--gold); }
  .tab-submenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 160px;
    background: rgba(250, 247, 242, 0.98);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 6px 0;
    box-shadow: 0 14px 32px -8px rgba(26, 26, 46, 0.18);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 60;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-4px);
    transition: opacity .2s, transform .2s, visibility 0s linear .2s;
  }
  .tab-group:hover .tab-submenu,
  .tab-group.is-open .tab-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    transition: opacity .2s, transform .2s, visibility 0s;
  }
  .sub-item {
    display: block;
    padding: 10px 22px;
    font-family: var(--font-kr);
    font-size: 13px;
    font-weight: 500;
    color: var(--ink);
    white-space: nowrap;
    text-align: center;
    transition: color .15s, background .15s;
  }
  .sub-item:hover {
    color: var(--gold);
    background: var(--cream-deep);
  }

  /* ===========  Panels  =========== */
  .panels {
    --panels-pt: 80px;
    padding: var(--panels-pt) 0 100px;
  }
  .panel {
    display: none;
    animation: fadeIn 0.35s var(--ease);
    /* sticky tabs-nav(약 62) + .panels padding-top(80) = 호흡 여백 포함 */
    scroll-margin-top: 145px;
  }
  .panel.active { display: block; }
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  /* ===========  Intro Slide (full-bleed hero, S.I.M.M 탭 전용)  =========== */
  .intro-slide {
    /* Break out of .container max-width to full viewport width */
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    width: 100vw;
    /* Pull up to sit flush with sticky tabs-nav (no gap) */
    margin-top: calc(var(--panels-pt) * -1);
    margin-bottom: 60px;
    position: relative;
    min-height: clamp(580px, 72vh, 780px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    overflow: hidden;
    /* A안 방향성 그라데이션(좌측 어두움 → 우측 자연광 보존) + B안 센터 구도
       중앙 텍스트 가독성 위해 중간 영역 opacity를 살짝 올림 */
    background-image:
      linear-gradient(100deg,
        rgba(26, 26, 46, 0.84) 0%,
        rgba(26, 26, 46, 0.70) 26%,
        rgba(26, 26, 46, 0.52) 52%,
        rgba(26, 26, 46, 0.28) 78%,
        rgba(26, 26, 46, 0.08) 100%
      ),
      url('bamaum-slide.webp');
    background-size: cover;
    background-position: center;
  }
  .intro-slide-inner {
    max-width: 860px;
    padding: 80px 48px;
    width: 100%;
  }
  .intro-slide .slide-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 18px;
    font-family: var(--font-en);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.32em;
    color: rgba(255, 255, 255, 0.88);
    text-transform: uppercase;
    margin-bottom: 48px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  }
  .intro-slide .slide-eyebrow::before,
  .intro-slide .slide-eyebrow::after {
    content: '';
    display: block;
    width: 48px;
    height: 1px;
    background: rgba(255, 255, 255, 0.48);
  }
  .intro-slide h1 {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: clamp(40px, 5.6vw, 68px);
    line-height: 1.18;
    letter-spacing: -0.015em;
    margin-bottom: 40px;
    color: var(--white);
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.22);
  }
  .intro-slide .slide-sub-kr {
    font-family: var(--font-serif);
    font-size: clamp(20px, 1.9vw, 24px);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.96);
    margin-bottom: 6px;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.22);
  }
  .intro-slide .slide-sub-en {
    font-family: var(--font-en);
    font-style: italic;
    font-weight: 300;
    font-size: clamp(14px, 1.15vw, 16px);
    letter-spacing: 0.01em;
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: 44px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.22);
  }
  .intro-slide .slide-divider {
    width: 1px;
    height: 32px;
    background: rgba(255, 255, 255, 0.35);
    margin: 0 auto 40px;
  }
  .intro-slide .slide-tagline {
    font-family: var(--font-kr);
    font-size: clamp(15px, 1.15vw, 17px);
    line-height: 1.95;
    color: rgba(255, 255, 255, 0.94);
    max-width: 620px;
    margin: 0 auto;
    font-weight: 400;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.22);
  }
  .intro-slide .slide-tagline span { display: block; }

  /* ===========  Intro Panel (former Hero, now inside tab)  =========== */
  .intro {
    text-align: center;
    padding: 20px 0 40px;
  }
  .eyebrow {
    display: inline-block;
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 0.28em;
    color: var(--gold);
    font-weight: 500;
    margin-bottom: 28px;
    text-transform: uppercase;
  }
  .intro h1 {
    font-family: var(--font-serif);
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 20px;
    line-height: 1.25;
  }
  .intro .fullname {
    font-size: 17px;
    color: var(--navy-soft);
    font-weight: 500;
    margin-bottom: 6px;
  }
  .intro .fullname-en {
    font-family: var(--font-en);
    font-size: 14px;
    color: var(--muted);
    font-weight: 400;
    letter-spacing: 0.02em;
    margin-bottom: 36px;
  }
  .intro .description {
    max-width: 620px;
    margin: 0 auto 40px;
    font-size: 16px;
    line-height: 1.85;
    color: var(--ink);
  }
  .intro .period {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 36px;
    background: #F5D269;
    border: none;
    border-radius: 28px;
    font-family: var(--font-en);
    font-size: 17px;
    font-weight: 500;
    color: var(--navy);
    letter-spacing: 0.04em;
    margin-bottom: 60px;
    box-shadow: 0 8px 28px rgba(245, 210, 105, 0.28),
                0 2px 6px rgba(26, 26, 46, 0.06);
  }
  .intro .period-info {
    display: inline-flex;
    align-items: baseline;
    flex-wrap: wrap;
    justify-content: center;
  }
  .intro .period-link {
    font-family: var(--font-en);
    font-size: 13px;
    font-weight: 500;
    color: var(--navy);
    letter-spacing: 0.06em;
    border-bottom: 1px solid rgba(26, 26, 46, 0.35);
    padding-bottom: 2px;
    transition: border-color .2s, color .2s;
  }
  .intro .period-link:hover {
    color: var(--navy);
    border-bottom-color: var(--navy);
  }

  /* Timeline */
  .timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    max-width: 820px;
    margin: 0 auto 56px;
    position: relative;
  }
  .timeline::before {
    content: "";
    position: absolute;
    top: 28px;
    left: 12%;
    right: 12%;
    height: 1px;
    background: var(--line);
    z-index: 0;
  }
  .t-step {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
  }
  .t-num {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--white);
    border: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 20px;
    color: var(--navy);
    font-weight: 600;
  }
  .t-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--navy);
  }
  .t-detail {
    font-family: var(--font-en);
    font-size: 12px;
    color: var(--muted);
    line-height: 1.5;
    text-align: center;
  }
  .t-step[data-goto-tab] {
    cursor: pointer;
    transition: transform 0.25s var(--ease);
  }
  .t-step[data-goto-tab]:hover { transform: translateY(-4px); }
  .t-step[data-goto-tab]:focus-visible {
    outline: 2px solid var(--green);
    outline-offset: 6px;
    border-radius: 8px;
  }
  .t-num {
    transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
  }
  .t-step[data-goto-tab]:hover .t-num {
    background: var(--navy);
    color: var(--white);
    border-color: var(--navy);
  }
  .t-step[data-goto-tab]:hover .t-title {
    color: var(--green-dark);
  }

  /* Small CTA pill on timeline steps (커리큘럼 / 특별 강의 일정 보기) */
  .t-cta {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 12px;
    padding: 6px 14px;
    font-size: 11px;
    font-weight: 500;
    font-family: inherit;
    color: var(--navy);
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 100px;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: all 0.2s var(--ease);
  }
  .t-cta:hover {
    background: var(--navy);
    color: var(--white);
    border-color: var(--navy);
  }
  .t-cta .arrow {
    font-size: 10px;
    transition: transform 0.2s var(--ease);
  }
  .t-cta:hover .arrow { transform: translateX(2px); }

  /* +α Bonus step (특별 강의 — 타임라인 아래 점선 연결) */
  /* === Special Lecture Card (B안 Premium Dark · 정사각) === */
  .timeline-bonus {
    max-width: 540px;
    aspect-ratio: 1 / 1;
    margin: 144px auto 0;  /* 72px gap + line + 72px gap */
    padding: 48px 52px;
    background:
      radial-gradient(ellipse at top right, rgba(245,210,105,0.06) 0%, transparent 60%),
      radial-gradient(ellipse at bottom left, rgba(201,168,76,0.04) 0%, transparent 70%),
      var(--navy);
    color: var(--white);
    border: 1px solid rgba(201,168,76,0.28);
    border-radius: 8px;
    box-shadow:
      0 1px 0 rgba(245,210,105,0.06) inset,
      0 28px 60px -16px rgba(26,26,46,0.40),
      0 14px 28px -6px rgba(26,26,46,0.24);
    position: relative;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }
  /* 전체 일정과 특별 강의를 나누는 선 — 카드 위 72px 위치 */
  .timeline-bonus::before {
    content: '';
    position: absolute;
    top: -72px;
    left: 50%;
    transform: translateX(-50%);
    width: 720px;
    max-width: calc(100vw - 56px);
    height: 1px;
    background: var(--line);
  }
  /* 골드 인레이 더블 보더 */
  .timeline-bonus::after {
    content: '';
    position: absolute;
    top: 14px; left: 14px; right: 14px; bottom: 14px;
    border: 1px solid rgba(201,168,76,0.18);
    border-radius: 4px;
    pointer-events: none;
  }
  .timeline-bonus > * { position: relative; z-index: 1; }

  .timeline-bonus-eyebrow {
    font-family: var(--font-en);
    font-size: 11px;
    letter-spacing: 0.42em;
    color: var(--gold-bright);
    text-transform: uppercase;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
  }
  .timeline-bonus-eyebrow::before,
  .timeline-bonus-eyebrow::after {
    content: '';
    width: 28px;
    height: 1px;
    background: var(--gold-bright);
    opacity: 0.55;
  }
  .t-num-bonus {
    font-size: 42px;
    color: var(--gold-bright);
    font-weight: 600;
    line-height: 1;
    margin-bottom: 18px;
    width: auto; height: auto;
    border: none; background: transparent;
  }
  .timeline-bonus .t-title {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 600;
    color: var(--white);
    letter-spacing: -0.015em;
    line-height: 1.2;
    margin-bottom: 8px;
  }
  .timeline-bonus-subtitle {
    font-family: var(--font-en);
    font-size: 13px;
    letter-spacing: 0.22em;
    color: rgba(255,255,255,0.55);
    text-transform: uppercase;
    margin-bottom: 28px;
  }
  .timeline-bonus-divider {
    width: 48px;
    height: 1px;
    background: var(--gold-bright);
    opacity: 0.55;
    margin: 0 auto 24px;
  }
  .timeline-bonus .t-detail {
    font-family: var(--font-serif);
    font-size: 15px;
    line-height: 1.85;
    color: rgba(255,255,255,0.86);
    max-width: 460px;
    margin: 0 auto 32px;
  }
  .timeline-bonus .t-detail strong {
    color: var(--gold-bright);
    font-weight: 600;
  }
  /* CTA — 골드 그라데이션 (다크 배경 위 강한 시인성) */
  .t-cta-bonus {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 34px;
    background: linear-gradient(135deg, var(--gold-bright) 0%, var(--gold) 100%);
    color: var(--navy);
    border: none;
    border-radius: 100px;
    font-family: var(--font-en);
    font-size: 13px;
    letter-spacing: 0.10em;
    font-weight: 600;
    text-transform: uppercase;
    box-shadow: 0 8px 22px rgba(201,168,76,0.32);
    transition: transform .15s, box-shadow .2s;
    margin-top: 0;
  }
  .t-cta-bonus:hover {
    background: linear-gradient(135deg, var(--gold-bright) 0%, var(--gold) 100%);
    color: var(--navy);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(201,168,76,0.45);
  }
  .t-cta-bonus .arrow { transition: transform .2s; }
  .t-cta-bonus:hover .arrow { transform: translateX(4px); }

  @media (max-width: 640px) {
    .timeline-bonus { padding: 44px 28px; border-radius: 6px; max-width: 100%; margin: 120px auto 0; aspect-ratio: auto; }
    .timeline-bonus::before { top: -60px; }
    .timeline-bonus::after { top: 10px; left: 10px; right: 10px; bottom: 10px; }
    .timeline-bonus .t-title { font-size: 28px; }
    .timeline-bonus .t-detail { font-size: 14px; }
  }

  /* === Join Us Jump Link (텍스트 링크 스타일) === */
  .ju-jump {
    text-align: center;
    margin: 32px auto 0;
  }
  .ju-jump-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 8px 4px;
    color: var(--navy);
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 0.22em;
    font-weight: 500;
    text-transform: uppercase;
    border-bottom: 1px solid var(--gold);
    transition: color .2s, border-color .2s;
  }
  .ju-jump-btn:hover {
    color: var(--gold);
    border-bottom-color: var(--gold);
  }
  .ju-jump-btn .ju-mark {
    color: var(--gold);
    font-size: 14px;
    line-height: 1;
    transition: color .2s;
  }
  .ju-jump-btn:hover .ju-mark {
    color: var(--gold-bright);
  }
  .ju-jump-btn .arrow {
    font-size: 13px;
    transition: transform .2s;
  }
  .ju-jump-btn:hover .arrow { transform: translateY(3px); }

  /* 제6기 강조 in period pill — now on gold bg, so navy text */
  .period .period-cohort {
    color: var(--navy);
    font-weight: 800;
    letter-spacing: 0.08em;
    padding-right: 10px;
    border-right: 1px solid rgba(26, 26, 46, 0.3);
    margin-right: 10px;
  }
  .period .period-sep {
    margin: 0 10px;
    opacity: 0.5;
  }

  /* ===========  Narrative (intro long-form content)  =========== */
  .narrative {
    max-width: 720px;
    margin: 96px auto 0;
    padding-top: 0;
    text-align: left;
  }
  .narrative-header {
    text-align: center;
    margin-bottom: 56px;
  }
  .eyebrow-label {
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--gold);
    font-weight: 500;
    margin-bottom: 16px;
  }
  .speaker-name {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 6px;
  }
  .speaker-title {
    font-size: 13px;
    color: var(--muted);
    letter-spacing: 0.04em;
  }
  .prose {
    font-size: 16px;
    line-height: 1.9;
    color: var(--ink);
  }
  .prose p {
    margin-bottom: 22px;
  }
  .prose p.lead-line {
    font-size: 18px;
    font-weight: 500;
    color: var(--navy);
    margin-bottom: 30px;
  }
  .prose em {
    font-style: italic;
    color: var(--navy);
    font-weight: 500;
  }
  .prose .prose-sub {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--navy);
    margin: 56px 0 20px;
    line-height: 1.4;
  }

  /* Endorsement blockquote (e.g., 김주환 교수) */
  .endorsement {
    max-width: 720px;
    margin: 80px auto 0;
    padding: 64px 20px 0;
    border-top: 1px solid var(--line);
    text-align: center;
    position: relative;
  }
  .endorsement blockquote {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 500;
    line-height: 1.75;
    color: var(--navy);
    max-width: 620px;
    margin: 0 auto 28px;
    position: relative;
    padding: 0 10px;
  }
  .endorsement blockquote::before {
    content: "\201C";
    position: absolute;
    left: -8px;
    top: -44px;
    font-family: var(--font-serif);
    font-size: 72px;
    color: var(--gold);
    opacity: 0.4;
    line-height: 1;
  }
  .endorsement figcaption { margin-top: 8px; }
  .endorsement-name {
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 4px;
  }
  .endorsement-title {
    font-size: 13px;
    color: var(--muted);
    letter-spacing: 0.02em;
  }

  /* Press (언론 보도) list inside trust block */
  .press {
    max-width: 680px;
    margin: 40px auto 32px;
    padding-top: 40px;
    border-top: 1px solid var(--line);
    text-align: left;
  }
  .press-label {
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 0.24em;
    color: var(--gold);
    font-weight: 500;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 24px;
  }
  .press-list {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  .press-item {
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
  }
  .press-item:last-child { border-bottom: none; }
  .press-link {
    display: block;
    color: inherit;
    transition: transform 0.2s var(--ease);
  }
  .press-link:hover { transform: translateX(4px); }
  .press-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
  }
  .press-source {
    font-size: 13px;
    font-weight: 600;
    color: var(--navy);
    letter-spacing: 0.02em;
  }
  .press-date {
    font-family: var(--font-en);
    font-size: 12px;
    color: var(--muted);
  }
  .press-title {
    font-size: 15px;
    color: var(--ink);
    line-height: 1.5;
  }
  .press-link:hover .press-title { color: var(--green-dark); }

  /* ===========  Buttons  =========== */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    background: var(--green);
    color: var(--white);
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: background 0.2s var(--ease), transform 0.2s var(--ease);
    cursor: pointer;
  }
  .btn-primary:hover {
    background: var(--green-dark);
    transform: translateY(-1px);
  }
  .btn-primary .arrow { transition: transform 0.2s var(--ease); }
  .btn-primary:hover .arrow { transform: translateX(4px); }
  .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border: 1px solid var(--navy);
    color: var(--navy);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s var(--ease);
  }
  .btn-outline:hover {
    background: var(--navy);
    color: var(--white);
  }

  /* ===========  Panel intro (non-intro panels)  =========== */
  .panel-intro {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 64px;
  }
  .panel-intro .label {
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 16px;
  }
  .panel-intro h2 {
    font-family: var(--font-serif);
    font-size: clamp(28px, 3.4vw, 38px);
    margin-bottom: 20px;
  }
  .panel-intro .lead {
    font-size: 17px;
    color: var(--ink);
    line-height: 1.85;
  }

  /* Cards */
  .overview-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 36px 40px;
    margin-bottom: 40px;
  }
  .overview-card h3 {
    font-size: 15px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold);
    font-weight: 500;
    margin-bottom: 20px;
  }
  .overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 28px;
  }
  .overview-grid .item .k {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 6px;
  }
  .overview-grid .item .v {
    font-size: 17px;
    color: var(--navy);
    font-weight: 500;
    line-height: 1.5;
  }
  .overview-grid .item .v-total {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: var(--gold);
    letter-spacing: 0.04em;
    font-weight: 600;
  }

  /* Schedule table */
  .schedule-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--navy);
    margin: 48px 0 18px;
  }
  .schedule {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 10px;
    overflow: hidden;
  }
  .schedule th,
  .schedule td {
    padding: 16px 24px;
    text-align: left;
    font-size: 15px;
    border-bottom: 1px solid var(--line);
  }
  .schedule th {
    background: var(--cream-deep);
    color: var(--navy);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .schedule tr:last-child td { border-bottom: none; }
  .schedule td:first-child {
    font-family: var(--font-en);
    font-weight: 500;
    color: var(--navy);
    white-space: nowrap;
    padding-right: 36px;
  }

  /* TBD placeholder */
  .tbd {
    background: var(--beige);
    border: 1px dashed var(--muted);
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    color: var(--muted);
    margin: 32px 0;
  }
  .tbd .tbd-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 8px;
    letter-spacing: 0.04em;
  }
  .tbd .tbd-desc { font-size: 14px; }

  /* Accordion */
  .accordion {
    border: 1px solid var(--line);
    background: var(--white);
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
  }
  .accordion-head {
    width: 100%;
    padding: 28px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    transition: background 0.2s var(--ease);
  }
  .accordion-head:hover { background: var(--cream-deep); }
  .accordion-head .head-left .status {
    display: inline-block;
    font-size: 11px;
    letter-spacing: 0.12em;
    padding: 4px 10px;
    background: var(--green);
    color: var(--white);
    border-radius: 100px;
    margin-bottom: 10px;
    text-transform: uppercase;
    font-weight: 600;
  }
  .accordion-head .head-left h4 {
    font-size: 19px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 4px;
  }
  .accordion-head .head-left .meta {
    font-size: 14px;
    color: var(--muted);
  }
  .accordion-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    transition: transform 0.3s var(--ease);
    font-size: 20px;
    font-weight: 300;
  }
  .accordion.open .accordion-icon { transform: rotate(45deg); }
  .accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease);
  }
  .accordion.open .accordion-body { max-height: 600px; }
  .accordion-body-inner {
    padding: 28px 32px 32px;
    border-top: 1px solid var(--line);
  }
  .accordion-body-inner p { margin-bottom: 12px; }

  .coming-soon-card {
    background: var(--beige);
    border-radius: 10px;
    padding: 56px 40px;
    text-align: center;
  }
  .coming-soon-card .label {
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 0.28em;
    color: var(--gold);
    font-weight: 500;
    margin-bottom: 16px;
  }
  .coming-soon-card h4 {
    font-family: var(--font-serif);
    font-size: 24px;
    margin-bottom: 14px;
    color: var(--navy);
  }
  .coming-soon-card p {
    color: var(--ink);
    max-width: 480px;
    margin: 0 auto;
    line-height: 1.85;
  }

  /* Panel CTA (bottom of each tab) */
  .panel-cta {
    text-align: center;
    margin-top: 64px;
    padding-top: 48px;
    border-top: 1px solid var(--line);
  }
  .panel-cta .label {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 18px;
  }

  /* Retreat gallery — 도고 연수원 */
  .retreat-gallery {
    margin-top: 72px;
  }
  .gallery-label {
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 0.24em;
    color: var(--gold);
    text-transform: uppercase;
    font-weight: 500;
    margin-bottom: 10px;
    text-align: center;
  }
  .gallery-venue {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 28px;
    text-align: center;
  }
  .gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
  .gallery-item {
    margin: 0;
    overflow: hidden;
    border-radius: 8px;
    aspect-ratio: 3 / 2;
    background: var(--beige);
    cursor: pointer;
    position: relative;
  }
  .gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.7s var(--ease), filter 0.3s var(--ease);
  }
  .gallery-item:hover img {
    transform: scale(1.05);
    filter: brightness(1.04);
  }

  /* Lecture list — 특별 강의 */
  .lecture-notice {
    background: var(--cream-deep);
    padding: 18px 26px;
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--ink);
    margin-bottom: 48px;
    text-align: center;
    line-height: 1.75;
  }
  .lecture-notice strong { color: var(--navy); font-weight: 600; }

  .lecture-list {
    border-top: 1px solid var(--line);
  }
  .lecture-year {
    font-family: var(--font-en);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.24em;
    color: var(--gold);
    text-transform: uppercase;
    padding: 28px 0 14px;
    border-bottom: 1px solid var(--line);
  }
  .lecture-item {
    display: grid;
    grid-template-columns: 170px 1fr auto;
    gap: 32px;
    align-items: center;
    padding: 22px 12px;
    border-bottom: 1px solid var(--line);
    transition: background 0.2s var(--ease);
    margin: 0 -12px;
  }
  .lecture-item:hover { background: var(--cream-deep); }
  .lecture-col-date {
    display: flex;
    flex-direction: column;
    gap: 5px;
  }
  .lecture-date {
    font-family: var(--font-en);
    font-size: 14px;
    font-weight: 600;
    color: var(--navy);
    letter-spacing: 0.02em;
  }
  .lecture-time {
    font-family: var(--font-en);
    font-size: 12px;
    color: var(--muted);
  }
  .lecture-video-note {
    font-size: 11px;
    color: var(--gold);
    font-weight: 500;
    letter-spacing: 0.02em;
  }
  .lecture-tag {
    display: inline-block;
    font-family: var(--font-en);
    font-size: 10px;
    letter-spacing: 0.16em;
    padding: 3px 10px;
    border-radius: 100px;
    font-weight: 600;
    text-transform: uppercase;
    margin-top: 4px;
    width: max-content;
  }
  .lecture-tag.offline {
    background: var(--green);
    color: var(--white);
  }
  .lecture-tag.online {
    background: var(--white);
    color: var(--navy);
    border: 1px solid var(--line);
  }
  .lecture-tag.special {
    background: var(--gold);
    color: var(--white);
  }
  .lecture-col-body .lecture-series {
    font-size: 12px;
    color: var(--muted);
    letter-spacing: 0.02em;
    margin-bottom: 6px;
  }
  .lecture-col-body .lecture-title {
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 600;
    color: var(--navy);
    line-height: 1.4;
    margin: 0;
  }
  .btn-room {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    color: var(--navy);
    background: var(--white);
    transition: all 0.2s var(--ease);
    white-space: nowrap;
  }
  .btn-room .arrow { transition: transform 0.2s var(--ease); }
  .btn-room:hover {
    background: var(--navy);
    color: var(--white);
    border-color: var(--navy);
  }
  .btn-room:hover .arrow { transform: translateX(3px); }

  /* ===========  Register Section (standalone, below tabs)  =========== */
  .register-section {
    background: var(--cream-deep);
    padding: 100px 0;
    border-top: 1px solid var(--line);
  }
  .register-section .section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
  }
  .register-section .section-header .label {
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 16px;
  }
  .register-section .section-header h2 {
    font-family: var(--font-serif);
    font-size: clamp(28px, 3.4vw, 38px);
    margin-bottom: 18px;
  }
  .register-section .section-header .lead {
    font-size: 17px;
    color: var(--ink);
  }

  .price-hero {
    background: var(--navy);
    color: var(--white);
    border-radius: 14px;
    padding: 56px 48px;
    text-align: center;
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
  }
  .price-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 10%, rgba(201, 168, 76, 0.15), transparent 50%);
    pointer-events: none;
  }
  .price-hero-inner { position: relative; z-index: 1; }
  .price-hero .badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--green);
    color: var(--white);
    border-radius: 100px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 18px;
  }
  .price-hero h3 {
    font-family: var(--font-serif);
    color: var(--white);
    font-size: clamp(24px, 3.2vw, 34px);
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.3;
    margin-bottom: 18px;
    opacity: 1;
  }
  .price-hero .amount {
    font-family: var(--font-en);
    font-size: clamp(22px, 2.4vw, 28px);
    font-weight: 500;
    color: var(--white);
    line-height: 1;
    margin-bottom: 6px;
    opacity: 0.92;
  }
  .price-hero .amount .unit {
    font-size: 0.65em;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.65);
    margin-left: 4px;
  }
  .price-hero .save {
    font-size: 14px;
    color: var(--gold);
    margin-bottom: 32px;
  }
  .price-hero .perks {
    display: flex;
    justify-content: center;
    gap: 28px;
    flex-wrap: wrap;
    margin-bottom: 40px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
  }
  .price-hero .perks li { list-style: none; }
  .price-hero .perks li::before { content: "✓ "; color: var(--green); font-weight: 600; }
  .price-hero .btn-primary {
    background: var(--green);
    font-size: 16px;
    padding: 18px 44px;
  }

  .price-secondary {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 36px 40px;
    margin-bottom: 24px;
  }
  .price-secondary h4 {
    font-size: 14px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 500;
    margin-bottom: 20px;
  }
  .price-secondary .row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
  }
  .price-secondary .row:last-child { border-bottom: none; }
  .price-secondary .row .name { color: var(--navy); font-weight: 500; }
  .price-secondary .row .price {
    font-family: var(--font-en);
    color: var(--navy);
    font-weight: 500;
  }
  .price-secondary .price-group {
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: 3px;
    align-items: flex-end;
  }
  .price-secondary .price-member-note {
    font-size: 11px;
    color: var(--green-dark);
    font-weight: 500;
    letter-spacing: 0.02em;
  }
  .price-secondary .price-note {
    font-size: 13px;
    line-height: 1.75;
    color: var(--muted);
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
  }
  .price-secondary .price-note a {
    color: var(--navy);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: var(--line);
    transition: text-decoration-color 0.2s var(--ease);
  }
  .price-secondary .price-note a:hover { text-decoration-color: var(--green); }

  .note-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 24px 28px;
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--ink);
    line-height: 1.75;
  }
  .note-card strong { color: var(--navy); font-weight: 600; }

  /* ===========  Trust block  =========== */
  .trust {
    background: var(--beige);
    padding: 80px 0;
    border-top: 1px solid var(--line);
  }
  .trust-inner { text-align: center; }
  .trust .label {
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 0.28em;
    color: var(--gold);
    font-weight: 500;
    margin-bottom: 18px;
  }
  .trust h3 {
    font-family: var(--font-serif);
    font-size: 28px;
    color: var(--navy);
    margin-bottom: 40px;
  }
  .masters {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-bottom: 48px;
  }
  .master-photo {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    object-position: center 25%;
    border-radius: 12px;
    margin-bottom: 20px;
    display: block;
    background: var(--beige);
    transition: transform 0.35s var(--ease);
  }
  .master-card:hover .master-photo {
    transform: translateY(-4px);
  }
  .master-card .name {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 6px;
  }
  .master-card .field {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
  }
  .narrative-avatar,
  .endorsement-avatar {
    border-radius: 50%;
    object-fit: cover;
    object-position: center 25%;
    display: block;
    margin-left: auto;
    margin-right: auto;
    background: var(--beige);
    box-shadow: 0 4px 14px rgba(15, 20, 35, 0.10);
  }
  .narrative-avatar {
    width: 84px;
    height: 84px;
    margin-top: 16px;
    margin-bottom: 20px;
  }
  .endorsement-avatar {
    width: 60px;
    height: 60px;
    margin-bottom: 14px;
  }

  /* Book feature — 공동 저서 spotlight (transparent PNG) */
  .book-card {
    padding: 56px 40px;
    margin: 56px auto 48px;
    max-width: 920px;
    text-align: left;
  }
  .book-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 56px;
    align-items: center;
  }
  .book-cover-wrap { position: relative; }
  .book-cover {
    width: 100%;
    height: auto;
    display: block;
    /* drop-shadow respects PNG alpha, so shadow follows book shape */
    filter:
      drop-shadow(0 18px 28px rgba(15, 20, 35, 0.18))
      drop-shadow(0 6px 10px rgba(15, 20, 35, 0.10));
    transition: transform 0.4s var(--ease);
  }
  .book-card:hover .book-cover {
    transform: translateY(-6px) rotate(-0.6deg);
  }
  .book-eyebrow {
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--gold);
    font-weight: 500;
    margin-bottom: 14px;
  }
  .book-title {
    font-family: var(--font-serif);
    font-size: clamp(24px, 2.8vw, 32px);
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 8px;
    line-height: 1.3;
  }
  .book-publisher {
    font-size: 14px;
    color: var(--muted);
    letter-spacing: 0.02em;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--line);
  }
  .book-description {
    font-size: 15px;
    line-height: 1.85;
    color: var(--ink);
    margin-bottom: 28px;
  }
  .book-authors {
    padding-top: 24px;
    border-top: 1px solid var(--line);
  }
  .authors-label {
    font-family: var(--font-en);
    font-size: 11px;
    letter-spacing: 0.22em;
    color: var(--gold);
    font-weight: 500;
    text-transform: uppercase;
    margin-bottom: 12px;
  }
  .authors-list {
    font-family: var(--font-serif);
    font-size: 16px;
    color: var(--navy);
    font-weight: 500;
    line-height: 1.7;
    letter-spacing: 0.02em;
  }

  .trust-meta {
    max-width: 620px;
    margin: 0 auto 40px;
    padding-top: 36px;
    border-top: 1px solid var(--line);
    font-size: 14px;
    color: var(--ink);
    line-height: 1.85;
  }
  .trust-meta .ext { color: var(--navy); font-weight: 600; }
  .trust-meta .book { margin-top: 10px; }

  /* ===========  About Us  =========== */
  .about-us {
    background: var(--beige);
    padding: 80px 0 40px;
    border-top: 1px solid var(--line);
  }
  .about-us-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
    padding-bottom: 32px;
  }
  .about-us .about-label {
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 0.28em;
    color: var(--gold);
    font-weight: 500;
    text-transform: uppercase;
    margin-bottom: 16px;
  }
  .about-us .about-heading {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 8px;
    letter-spacing: 0.04em;
  }
  .about-us .about-sub {
    font-family: var(--font-serif);
    font-size: 15px;
    color: var(--muted);
    font-weight: 400;
  }
  .about-section {
    padding: 72px 0;
  }
  .about-section + .about-section {
    border-top: 1px solid var(--line);
  }

  /* ===========  Join Us  =========== */
  .about-section--join .ju-meta {
    display: inline-flex;
    align-items: baseline;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 600;
    color: var(--navy);
    letter-spacing: 0.02em;
  }
  .about-section--join .ju-meta-sep {
    font-weight: 400;
    color: var(--muted);
    opacity: 0.6;
  }
  .about-section--join .ju-note {
    display: block;
    margin-top: 10px;
    font-size: 13.5px;
    color: var(--muted);
    letter-spacing: 0.02em;
    font-weight: 400;
  }

  .cohort-journey {
    margin-top: 44px;
  }
  .cohort-journey-header {
    margin: 0 0 20px;
  }
  .cj-eyebrow {
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.24em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 4px;
  }
  .cj-sub {
    font-size: 12.5px;
    color: var(--muted);
    letter-spacing: 0.04em;
  }
  .cohort-track {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    /* container 패딩 상쇄 → viewport 가장자리까지 스크롤 이어짐 */
    margin-left: calc(clamp(16px, 4vw, 28px) * -1);
    margin-right: calc(clamp(16px, 4vw, 28px) * -1);
    padding: 8px clamp(16px, 4vw, 28px) 24px;
    scroll-padding-left: clamp(16px, 4vw, 28px);
  }
  .cohort-track::-webkit-scrollbar { display: none; }
  .cohort-card {
    flex: 0 0 240px;
    scroll-snap-align: start;
    background: var(--white, #fff);
    border: 1px solid var(--line);
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  }
  .cohort-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  }
  .cohort-photo {
    aspect-ratio: 4 / 3;
    background: linear-gradient(135deg, #e8e0d4 0%, #d9cfbf 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    filter: grayscale(0.25);
  }
  .cohort-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  .cohort-photo-placeholder {
    font-family: var(--font-serif);
    font-size: 34px;
    font-weight: 500;
    color: rgba(41, 55, 76, 0.25);
    letter-spacing: 0.05em;
  }
  .cohort-meta {
    padding: 16px 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .cohort-num {
    font-family: var(--font-serif);
    font-size: 15px;
    font-weight: 600;
    color: var(--navy);
    letter-spacing: 0.02em;
    margin-bottom: 2px;
  }
  .cohort-date {
    font-family: var(--font-en);
    font-size: 11.5px;
    font-weight: 500;
    color: var(--muted);
    letter-spacing: 0.08em;
  }
  .cohort-place {
    font-size: 12.5px;
    color: var(--ink);
    letter-spacing: 0.02em;
  }

  /* Upcoming — 제6기 강조 */
  .cohort-card--upcoming {
    flex: 0 0 280px;
    background: var(--navy, #1f2c44);
    border-color: var(--navy, #1f2c44);
    box-shadow: 0 10px 28px rgba(31, 44, 68, 0.14);
  }
  .cohort-photo--upcoming {
    background: linear-gradient(135deg, #2b3b58 0%, #1a2538 100%);
    filter: none;
    position: relative;
    flex-direction: column;
    gap: 8px;
  }
  .cohort-upcoming-mark {
    font-size: 32px;
    color: var(--gold);
    line-height: 1;
  }
  .cohort-upcoming-label {
    font-family: var(--font-en);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.3em;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
  }
  .cohort-card--upcoming .cohort-num {
    color: var(--white, #fff);
  }
  .cohort-card--upcoming .cohort-date {
    color: var(--gold);
  }
  .cohort-card--upcoming .cohort-place {
    color: rgba(255, 255, 255, 0.85);
  }
  .cohort-tagline {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-family: var(--font-serif);
    font-size: 13px;
    font-style: italic;
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: 0.03em;
  }

  /* Timeline Stage ④ 수료식 — t-cta 스타일은 기존 재사용 */
  .t-step-ceremony .t-cta {
    color: var(--gold);
  }
  /* Join Us 사진첩 (scrapbook) 밑 — 전체 사진첩 페이지로 가는 링크 */
  .scrapbook-album-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 18px auto 0;
    padding: 8px 18px;
    font-family: var(--font-kr);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.72);
    letter-spacing: -0.005em;
    border: 1px solid rgba(245, 210, 105, 0.28);
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.02);
    transition: color .2s, border-color .2s, background .2s;
    text-decoration: none;
  }
  .scrapbook-album-link:hover {
    color: var(--gold-bright);
    border-color: var(--gold-bright);
    background: rgba(245, 210, 105, 0.06);
  }
  .scrapbook-album-link .arrow {
    color: var(--gold-bright);
    transition: transform .2s;
    display: inline-block;
  }
  .scrapbook-album-link:hover .arrow { transform: translateX(3px); }
  /* 가운데 정렬을 위해 부모 .scrapbook 도 flex 정렬 */
  .scrapbook { text-align: center; }
  .section-sub-header {
    text-align: center;
    margin-bottom: 48px;
  }
  .section-sub-header .sub-label {
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 0.28em;
    color: var(--gold);
    font-weight: 500;
    text-transform: uppercase;
    margin-bottom: 12px;
  }
  .section-sub-header h3 {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 600;
    color: var(--navy);
    margin: 0;
    line-height: 1.35;
  }
  .section-sub-header .sub-lead {
    font-size: 15px;
    line-height: 1.85;
    color: var(--ink);
    max-width: 640px;
    margin: 20px auto 0;
    text-align: center;
  }

  /* Founding layout */
  .founding-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
  }
  .founding-photo {
    margin: 0;
  }
  .founding-photo img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    box-shadow: 0 12px 36px rgba(15, 20, 35, 0.12);
  }
  .founding-year {
    font-family: var(--font-en);
    font-size: 44px;
    font-weight: 600;
    color: var(--gold);
    line-height: 1;
    margin-bottom: 24px;
    letter-spacing: -0.01em;
  }
  .founding-quote {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 500;
    color: var(--navy);
    line-height: 1.55;
    margin: 0 0 24px;
    padding-left: 18px;
    border-left: 3px solid var(--gold);
  }
  .founding-description {
    font-size: 15px;
    line-height: 1.85;
    color: var(--ink);
    margin-bottom: 32px;
  }
  .founders-label {
    font-family: var(--font-en);
    font-size: 11px;
    letter-spacing: 0.22em;
    color: var(--muted);
    text-transform: uppercase;
    font-weight: 500;
    margin-bottom: 10px;
  }
  .founders-list {
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 500;
    color: var(--navy);
    letter-spacing: 0.02em;
    line-height: 1.6;
  }

  /* External Contributor divider + card */
  .external-divider {
    margin: 56px 0 32px;
    text-align: center;
    position: relative;
  }
  .external-divider::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--line);
  }
  .external-divider span {
    position: relative;
    background: var(--beige);
    padding: 0 20px;
    font-family: var(--font-en);
    font-size: 11px;
    letter-spacing: 0.22em;
    color: var(--muted);
    text-transform: uppercase;
    font-weight: 500;
  }
  /* External Contributor — horizontal row (no photo to avoid master confusion) */
  .external-contributor {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 20px 0;
  }
  .ec-name {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 600;
    color: var(--navy);
    flex-shrink: 0;
    min-width: 60px;
    padding-right: 28px;
    border-right: 1px solid var(--line);
    letter-spacing: 0.02em;
  }
  .ec-details { flex: 1; }
  .ec-credentials {
    font-size: 14px;
    color: var(--navy);
    line-height: 1.65;
    margin-bottom: 6px;
  }
  .ec-history {
    font-size: 12px;
    color: var(--muted);
    letter-spacing: 0.02em;
    line-height: 1.55;
  }

  /* Client logos (Consulting) */
  .client-logos {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 36px 32px;
    align-items: center;
    justify-items: center;
    max-width: 880px;
    margin: 52px auto 0;
  }
  .client-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 90px;
  }
  .client-logo img {
    max-width: 200px;
    max-height: 56px;
    height: auto;
    width: auto;
    object-fit: contain;
    filter: grayscale(0.15);
    opacity: 0.88;
    transition: opacity 0.25s var(--ease), filter 0.25s var(--ease);
  }
  .client-logo.logo-sk img {
    max-height: 60px;
    max-width: 60px;
  }
  .client-logo:hover img {
    opacity: 1;
    filter: grayscale(0);
  }
  .client-caption {
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 0.08em;
    font-weight: 500;
  }

  /* Press — override to fit within about-section context */
  .about-us .press {
    margin: 0 auto;
    padding-top: 0;
    border-top: none;
  }

  /* ===========  Footer  =========== */
  .site-footer {
    background: var(--navy);
    color: rgba(255, 255, 255, 0.75);
    padding: 60px 0 44px;
  }
  .site-footer .container {
    max-width: 540px;
  }
  .site-footer .footer-contact {
    margin: 0 0 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .site-footer .footer-heading {
    font-family: var(--font-serif);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.92);
    letter-spacing: 0.08em;
    margin-bottom: 14px;
  }
  .site-footer .footer-email {
    display: inline-block;
    font-family: var(--font-en);
    font-size: 16px;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: 0.02em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.28);
    padding-bottom: 2px;
    transition: border-color .15s ease;
  }
  .site-footer .footer-email:hover { border-bottom-color: var(--white); }
  .site-footer .footer-note {
    font-size: 13px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.6);
    margin: 6px 0 0;
  }
  .site-footer .footer-legal {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 0.02em;
    line-height: 2;
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .site-footer .footer-legal span { display: block; }
  .site-footer .footer-legal a {
    color: inherit;
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
    padding-bottom: 1px;
    transition: color .15s ease, border-color .15s ease;
  }
  .site-footer .footer-legal a:hover { color: var(--white); border-bottom-color: var(--white); }
  .site-footer .footer-bar {
    display: block;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.22);
    line-height: 1.4;
    margin: 3px 0;
  }
  .site-footer .slogan {
    font-family: var(--font-serif);
    font-size: 15px;
    color: rgba(255, 255, 255, 0.72);
    margin-bottom: 10px;
    font-weight: 400;
  }
  .site-footer .footer-web {
    font-family: var(--font-en);
    font-size: 13px;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.55);
    transition: color .15s ease;
  }
  .site-footer .footer-web:hover { color: var(--white); }
  @media (max-width: 640px) {
    .site-footer { padding: 48px 0 36px; }
    .section-sub-header .sub-lead { text-align: left; }
  }

  /* ===========  Responsive  =========== */
  @media (max-width: 768px) {
    .panels { --panels-pt: 48px; padding: var(--panels-pt) 0 64px; }
    .intro-slide {
      min-height: clamp(520px, 78vh, 680px);
      margin-bottom: 40px;
      /* 모바일: 세로 그라데이션 전환 + 인물이 살아있도록 포커스 조정 */
      background-image:
        linear-gradient(170deg,
          rgba(26, 26, 46, 0.80) 0%,
          rgba(26, 26, 46, 0.48) 42%,
          rgba(26, 26, 46, 0.72) 100%
        ),
        url('bamaum-slide-mobile.webp');
      background-position: 62% center;
    }
    .intro-slide-inner { padding: 72px 28px; }
    .intro-slide .slide-eyebrow { gap: 12px; margin-bottom: 36px; }
    .intro-slide .slide-eyebrow::before,
    .intro-slide .slide-eyebrow::after { width: 28px; }
    .intro-slide h1 { margin-bottom: 32px; }
    .intro-slide .slide-sub-en { margin-bottom: 36px; }
    .intro-slide .slide-divider { margin-bottom: 32px; }
    .intro { padding: 16px 0 32px; }
    .intro .description { font-size: 15px; }
    .timeline {
      grid-template-columns: 1fr 1fr;
      gap: 28px 16px;
      max-width: 420px;
    }
    .timeline::before { display: none; }
    .panel-intro { margin-bottom: 44px; }
    .overview-card { padding: 28px 24px; }
    .schedule th, .schedule td { padding: 12px 16px; font-size: 14px; }
    .schedule td:first-child { padding-right: 20px; }
    .site-title-main { font-size: 22px; }
    .register-section { padding: 72px 0; }
    .price-hero { padding: 40px 28px; }
    .price-hero .perks { flex-direction: column; gap: 10px; align-items: flex-start; text-align: left; }
    .intro .period { font-size: 14px; padding: 12px 22px; letter-spacing: 0.02em; gap: 6px; }
    .intro .period .period-cohort { padding-right: 8px; margin-right: 8px; letter-spacing: 0.06em; }
    .intro .period .period-sep { margin: 0 8px; }
    .intro .period-link { font-size: 11px; }
    .masters { grid-template-columns: repeat(2, 1fr); gap: 28px 16px; }
    .accordion-head { padding: 22px 24px; }
    .panel { scroll-margin-top: 100px; } /* 모바일 nav(약 52) + padding(48) */
    .tabs-nav .container {
      justify-content: stretch;
      overflow-x: visible;
      padding: 0 10px;
    }
    /* 모바일 — 5개 탭 균등 분배 (tab-group도 flex:1로) */
    .tabs-nav .container > .tab,
    .tabs-nav .container > .tab-group {
      flex: 1 1 0;
      min-width: 0;
      box-sizing: border-box;
    }
    .tab-group > .tab {
      width: 100%;
      display: block;
      padding-left: 0;
      padding-right: 0;
    }
    /* 모바일에서 S.I.M.M 우측 caret(▾) 숨김 — 시각 균형 우선 */
    .tab-caret { display: none; }
    .tab {
      padding: 18px 4px;
      font-size: clamp(10.5px, 3vw, 14px);
      letter-spacing: -0.01em;
      text-align: center;
      white-space: nowrap;
    }
    .tab.active::after { left: 6px; right: 6px; }
    /* 모바일 — 마크만 살짝 작게, 좌우 간격은 wrapper-기준 absolute라 자동 대칭 */
    .tab .tab-mark { font-size: 11px; }
    .tab .tab-mark--left  { right: calc(100% + 3px); }
    .tab .tab-mark--right { left:  calc(100% + 3px); }
    .auth-bar-inner { justify-content: center; }
    .narrative { margin: 64px auto 0; padding-top: 48px; }
    .narrative-header { margin-bottom: 40px; }
    .speaker-name { font-size: 24px; }
    .prose { font-size: 15px; line-height: 1.85; }
    .prose p.lead-line { font-size: 16px; }
    .prose .prose-sub { font-size: 18px; margin: 44px 0 16px; }
    .endorsement { margin-top: 64px; padding-top: 48px; }
    .endorsement blockquote { font-size: 17px; padding: 0 4px; }
    .endorsement blockquote::before { top: -32px; font-size: 56px; left: 0; }
    .press { margin: 32px auto 24px; padding-top: 32px; }
    .book-card { padding: 32px 28px; margin: 40px auto 32px; }
    .book-layout { grid-template-columns: 1fr; gap: 28px; }
    .book-cover-wrap { max-width: 200px; margin: 0 auto; }
    .authors-list { font-size: 15px; }
    .retreat-gallery { margin-top: 48px; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .gallery-venue { font-size: 16px; margin-bottom: 20px; }
    .lecture-item {
      grid-template-columns: 1fr;
      gap: 14px;
      padding: 20px 12px;
    }
    .lecture-col-date {
      flex-direction: row;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px 14px;
    }
    .lecture-tag { margin-top: 0; }
    .lecture-col-body .lecture-title { font-size: 16px; }
    .btn-room { width: 100%; justify-content: center; }
    .lecture-notice { padding: 14px 18px; font-size: 13px; margin-bottom: 36px; }
    .about-us { padding: 56px 0 24px; }
    .about-us .about-heading { font-size: 26px; }
    .about-section { padding: 48px 0; }
    .founding-layout { grid-template-columns: 1fr; gap: 32px; max-width: 420px; }
    .founding-year { font-size: 36px; margin-bottom: 18px; }
    .founding-quote { font-size: 18px; padding-left: 14px; }
    .section-sub-header { margin-bottom: 36px; }
    .section-sub-header h3 { font-size: 22px; }
    .external-divider { margin: 40px 0 24px; }
    .external-contributor {
      flex-direction: column;
      align-items: flex-start;
      gap: 14px;
      padding: 16px 0;
    }
    .ec-name {
      padding-right: 0;
      border-right: none;
      min-width: 0;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--line);
      width: 100%;
      font-size: 20px;
    }
    .client-logos { gap: 24px; margin-top: 36px; }
    .client-logo { min-height: 72px; }
    .client-logo img { max-height: 42px; max-width: 150px; }
    .client-logo.logo-sk img { max-height: 48px; max-width: 48px; }
  }

  @media (max-width: 480px) {
    .masters { grid-template-columns: 1fr 1fr; }
    .client-logos {
      grid-template-columns: 1fr 1fr;
      gap: 28px 20px;
      max-width: 420px;
    }
    .client-logo img { max-height: 40px; max-width: 140px; }
    .client-logo.logo-sk img { max-height: 44px; max-width: 44px; }
    .intro h1 { font-size: 30px; }
    .intro .period { font-size: 12.5px; padding: 10px 18px; gap: 5px; }
    .intro .period .period-cohort { padding-right: 7px; margin-right: 7px; }
    .intro .period .period-sep { margin: 0 7px; }
    .intro .period-link { font-size: 10.5px; }
    .tab { padding: 14px 2px; font-size: 10.5px; letter-spacing: -0.02em; }
    .tab.active::after { left: 2px; right: 2px; }
    .tab .tab-mark { font-size: 10px; }
    .tab .tab-mark--left  { right: calc(100% + 2px); }
    .tab .tab-mark--right { left:  calc(100% + 2px); }
    .panel { scroll-margin-top: 90px; } /* 소형 모바일 nav(약 42) + padding(48) */
  }

  /* ===========  Join Us — Letter + S.I.M.M Album  =========== */
  .invitation-section {
    padding: 96px 0 100px;
    background: linear-gradient(180deg, var(--cream) 0%, var(--cream-deep) 100%);
    scroll-margin-top: 80px; /* 스티키 탭 nav 높이 보정 */
  }
  .letter {
    max-width: 680px;
    margin: 0 auto;
    background:
      radial-gradient(ellipse at top left, rgba(245,210,105,0.04) 0%, transparent 60%),
      radial-gradient(ellipse at bottom right, rgba(201,168,76,0.05) 0%, transparent 70%),
      var(--navy);
    color: rgba(255,255,255,0.85);
    border: 1px solid rgba(201,168,76,0.30);
    border-radius: 6px;
    padding: 80px 72px;
    box-shadow:
      0 1px 0 rgba(245,210,105,0.06) inset,
      0 30px 60px -20px rgba(26,26,46,0.40),
      0 18px 30px -10px rgba(26,26,46,0.28);
    position: relative;
  }
  .letter::after {
    content: '';
    position: absolute;
    top: 18px; left: 18px; right: 18px; bottom: 18px;
    border: 1px solid rgba(201,168,76,0.22);
    border-radius: 3px;
    pointer-events: none;
  }
  .letter > * { position: relative; z-index: 1; }

  .letter-greeting { text-align: center; margin-bottom: 36px; }
  .letter-eyebrow {
    font-family: var(--font-en);
    font-size: 11px;
    letter-spacing: 0.42em;
    color: var(--gold);
    text-transform: uppercase;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
  }
  .letter-eyebrow::before, .letter-eyebrow::after {
    content: '';
    width: 32px; height: 1px;
    background: var(--gold);
    opacity: 0.5;
  }
  .letter h2 {
    font-family: var(--font-serif);
    font-size: clamp(32px, 4.4vw, 42px);
    font-weight: 600;
    color: var(--white);
    letter-spacing: -0.02em;
    line-height: 1.25;
    margin-bottom: 14px;
  }
  .letter-subtitle {
    font-family: var(--font-en);
    font-size: 13px;
    letter-spacing: 0.16em;
    color: rgba(255,255,255,0.55);
    text-transform: uppercase;
    font-weight: 400;
  }

  /* S.I.M.M 사진첩 */
  .scrapbook {
    margin: 44px -52px 52px;
    position: relative;
    padding: 8px 0 12px;
  }
  .scrapbook-track {
    display: flex;
    gap: 22px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 4px 52px 12px 21px;
    scroll-padding-inline-start: 21px;
    scrollbar-width: none;
  }
  .scrapbook-track::-webkit-scrollbar { display: none; }

  .photo {
    flex: 0 0 184px;
    scroll-snap-align: start;
    background: var(--white);
    padding: 10px 10px 16px;
    border-radius: 2px;
    box-shadow:
      0 1px 2px rgba(0,0,0,0.18),
      0 14px 28px -6px rgba(0,0,0,0.32),
      0 4px 8px rgba(0,0,0,0.18);
    cursor: pointer;
    transition: transform .22s ease, box-shadow .22s ease;
    display: flex;
    flex-direction: column;
    position: relative;
  }
  .photo:hover {
    transform: translateY(-3px);
    box-shadow:
      0 1px 2px rgba(0,0,0,0.18),
      0 22px 38px -6px rgba(0,0,0,0.42),
      0 6px 12px rgba(0,0,0,0.20);
  }
  .photo-img {
    aspect-ratio: 1/1;
    background: var(--beige);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    margin-bottom: 10px;
  }
  .photo-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  .photo-img-placeholder {
    font-family: var(--font-serif);
    font-size: 34px;
    color: var(--muted);
    font-weight: 600;
    opacity: 0.4;
  }
  .photo.is-past .photo-img { filter: grayscale(0.18) sepia(0.04); }
  .photo.is-past:hover .photo-img,
  .photo.is-past:focus-visible .photo-img { filter: none; transition: filter .25s ease; }
  .photo.is-past:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 4px;
  }

  /* === Cohort 라이트박스 === */
  .lightbox {
    position: fixed; inset: 0; z-index: 9999;
    background: rgba(10,10,18,0.94);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none;
    transition: opacity .25s ease;
  }
  .lightbox.is-open { opacity: 1; pointer-events: auto; }
  .lightbox-stage {
    max-width: 92vw; max-height: 80vh;
    display: flex; align-items: center; justify-content: center;
    user-select: none;
  }
  .lightbox-img {
    max-width: 92vw; max-height: 80vh;
    object-fit: contain; display: block;
    box-shadow: 0 24px 80px rgba(0,0,0,0.5);
    transition: opacity .15s;
  }
  .lightbox-img.is-loading { opacity: 0.4; }
  .lightbox-close, .lightbox-prev, .lightbox-next {
    position: absolute;
    background: rgba(255,255,255,0.10); color: white;
    border: 1px solid rgba(255,255,255,0.20);
    font-family: var(--font-en);
    font-size: 22px; cursor: pointer; line-height: 1;
    width: 48px; height: 48px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    transition: background .2s, transform .15s;
    padding: 0;
  }
  .lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover {
    background: rgba(255,255,255,0.22); transform: scale(1.06);
  }
  .lightbox-close { top: 24px; right: 24px; font-size: 26px; }
  .lightbox-prev { left: 24px; top: 50%; transform: translateY(-50%); }
  .lightbox-next { right: 24px; top: 50%; transform: translateY(-50%); }
  .lightbox-prev:hover { transform: translateY(-50%) scale(1.06); }
  .lightbox-next:hover { transform: translateY(-50%) scale(1.06); }
  .lightbox-info {
    position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
    color: white; text-align: center;
  }
  .lightbox-title {
    font-family: var(--font-serif); font-size: 14px;
    color: rgba(255,255,255,0.92); margin-bottom: 6px;
    letter-spacing: 0.04em; font-weight: 500;
  }
  .lightbox-counter {
    font-family: var(--font-en); font-size: 11px;
    color: rgba(255,255,255,0.55); letter-spacing: 0.18em;
  }
  body.lightbox-open { overflow: hidden; }

  @media (max-width: 720px) {
    .lightbox-close, .lightbox-prev, .lightbox-next {
      width: 40px; height: 40px; font-size: 18px;
    }
    .lightbox-close { top: 16px; right: 16px; font-size: 22px; }
    .lightbox-prev { left: 12px; }
    .lightbox-next { right: 12px; }
    .lightbox-img { max-width: 96vw; max-height: 72vh; }
    .lightbox-info { bottom: 20px; }
    .lightbox-title { font-size: 13px; }
  }

  .photo-caption {
    text-align: center;
    font-family: var(--font-serif);
    font-size: 13px;
    color: var(--ink);
    letter-spacing: 0.04em;
    font-weight: 500;
    line-height: 1.4;
  }
  .photo-caption .num {
    display: block;
    color: var(--navy);
    margin-bottom: 3px;
    font-size: 13.5px;
  }
  .photo-caption .meta {
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 0.01em;
    display: block;
    font-weight: 400;
  }

  .photo-hint {
    position: absolute;
    top: 18px; right: 18px;
    font-family: var(--font-en);
    font-size: 9px;
    letter-spacing: 0.08em;
    color: var(--muted);
    background: rgba(255,255,255,0.85);
    padding: 2px 7px;
    border-radius: 100px;
    backdrop-filter: blur(2px);
    opacity: 0;
    transition: opacity .2s;
    text-transform: uppercase;
    font-weight: 500;
  }
  .photo:hover .photo-hint { opacity: 1; }

  /* 6기 — 골드 보더 */
  .photo.is-upcoming {
    background: var(--white);
    padding: 9px 9px 15px;
    border: 1px solid rgba(201,168,76,0.55);
    box-shadow:
      0 1px 2px rgba(0,0,0,0.18),
      0 14px 32px -4px rgba(201,168,76,0.30),
      0 6px 14px rgba(0,0,0,0.22);
  }
  .photo.is-upcoming .photo-img {
    background:
      radial-gradient(circle at 35% 35%, rgba(255,255,255,0.5) 0%, transparent 55%),
      linear-gradient(140deg, var(--gold-bright) 0%, #E8C252 100%);
    filter: none;
  }
  .photo.is-upcoming .photo-img-placeholder {
    font-size: 36px;
    color: var(--navy);
    opacity: 0.65;
  }
  .photo.is-upcoming .photo-caption .num {
    font-weight: 600;
    color: var(--navy);
  }
  .photo.is-upcoming .photo-caption .message {
    display: block;
    color: var(--gold);
    font-size: 11.5px;
    margin-top: 4px;
    font-weight: 500;
    letter-spacing: 0.01em;
    line-height: 1.5;
  }
  .photo.is-upcoming .photo-hint {
    background: rgba(201,168,76,0.15);
    color: var(--gold);
    border: 1px solid rgba(201,168,76,0.3);
    opacity: 1;
  }

  /* 닷 인디케이터 */
  .album-dots {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
  }
  .album-dot {
    width: 6px; height: 6px;
    padding: 0;
    border: none;
    cursor: pointer;
    background: rgba(255,255,255,0.20);
    border-radius: 50%;
    transition: all .25s ease;
  }
  .album-dot:hover { background: rgba(255,255,255,0.45); }
  .album-dot.is-active {
    background: var(--gold-bright);
    width: 22px;
    border-radius: 100px;
  }

  /* 프로그램 */
  .letter-program { margin: 8px 0 36px; }
  .program-meta {
    text-align: center;
    font-family: var(--font-en);
    font-size: 11px;
    letter-spacing: 0.32em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 12px;
    font-weight: 500;
  }
  .program-name {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 600;
    color: var(--white);
    text-align: center;
    line-height: 1.4;
    letter-spacing: -0.01em;
    margin-bottom: 24px;
  }
  .program-price-line { text-align: center; margin-bottom: 32px; }
  .program-price-amount {
    font-family: var(--font-en);
    font-size: 34px;
    font-weight: 600;
    color: var(--white);
    letter-spacing: -0.01em;
    line-height: 1;
  }
  .program-price-amount .unit {
    font-size: 18px;
    margin-left: 4px;
    font-weight: 500;
  }
  .program-price-save {
    font-family: var(--font-en);
    font-size: 12px;
    color: var(--gold-bright);
    margin-top: 8px;
    letter-spacing: 0.02em;
    font-weight: 500;
  }
  .program-perks {
    list-style: none;
    max-width: 380px;
    margin: 0 auto 36px;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .program-perks li {
    font-family: var(--font-serif);
    font-size: 15px;
    color: rgba(255,255,255,0.85);
    padding-left: 24px;
    position: relative;
    line-height: 1.6;
  }
  .program-perks li::before {
    content: '·';
    position: absolute;
    left: 8px;
    color: var(--gold-bright);
    font-weight: 700;
    font-size: 20px;
    line-height: 1;
    top: -2px;
  }
  .program-cta-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .program-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 40px;
    background: var(--green);
    color: var(--white);
    border-radius: 100px;
    font-size: 15px;
    font-weight: 600;
    transition: background .2s, transform .15s;
    box-shadow: 0 8px 22px rgba(76,175,125,0.28);
  }
  .program-cta:hover {
    background: var(--green-dark);
    transform: translateY(-2px);
  }
  .program-cta .arrow { transition: transform .2s; }
  .program-cta:hover .arrow { transform: translateX(4px); }

  /* 등록 버튼 밑 — 홍보 자료 (share 페이지) 작은 secondary 링크 */
  .program-cta-share {
    display: inline-block;
    margin-top: 18px;
    font-family: var(--font-kr);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.62);
    border-bottom: 1px dashed rgba(245, 210, 105, 0.42);
    padding-bottom: 2px;
    letter-spacing: -0.005em;
    transition: color .2s, border-color .2s;
  }
  .program-cta-share:hover {
    color: var(--gold-bright);
    border-bottom-color: var(--gold-bright);
  }
  .program-cta-share .dash {
    color: rgba(255, 255, 255, 0.40);
    margin: 0 4px;
    font-weight: 300;
  }
  .program-cta-share .arrow {
    color: var(--gold-bright);
    margin-left: 4px;
    display: inline-block;
    transition: transform .2s;
  }
  .program-cta-share:hover .arrow { transform: translateX(2px); }

  /* 개별 등록 */
  .letter-individual {
    margin-top: 44px;
    padding-top: 32px;
    border-top: 1px solid rgba(201,168,76,0.28);
  }
  .individual-eyebrow {
    text-align: center;
    font-family: var(--font-en);
    font-size: 11px;
    letter-spacing: 0.28em;
    color: rgba(255,255,255,0.55);
    text-transform: uppercase;
    margin-bottom: 24px;
    font-weight: 400;
  }
  .individual-list {
    list-style: none;
    max-width: 360px;
    margin: 0 auto 22px;
  }
  .individual-list li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 11px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    font-family: var(--font-serif);
  }
  .individual-list li:last-child { border-bottom: none; }
  .individual-list .name {
    font-size: 14px;
    color: var(--white);
    font-weight: 500;
  }
  .individual-list .price {
    font-family: var(--font-en);
    font-size: 13px;
    color: rgba(255,255,255,0.7);
  }
  .individual-note {
    text-align: center;
    font-size: 12px;
    color: rgba(255,255,255,0.55);
    line-height: 1.7;
    font-style: italic;
    max-width: 440px;
    margin: 0 auto;
  }
  .individual-note a {
    color: var(--white);
    border-bottom: 1px solid rgba(255,255,255,0.25);
    padding-bottom: 1px;
  }

  /* 서명 */
  .letter-signature {
    margin-top: 48px;
    text-align: center;
    font-family: var(--font-serif);
    font-size: 14px;
    color: rgba(255,255,255,0.55);
    letter-spacing: 0.06em;
    font-style: italic;
  }
  .letter-signature::before { content: '— '; color: var(--gold-bright); }
  .letter-signature::after { content: ' —'; color: var(--gold-bright); }

  @media (max-width: 720px) {
    .invitation-section { padding: 64px 0 72px; }
    .letter {
      padding: 48px 28px;
      border-radius: 4px;
    }
    .letter::after { top: 12px; left: 12px; right: 12px; bottom: 12px; }
    .letter h2 { font-size: 28px; }
    .scrapbook { margin: 28px -16px 32px; }
    .scrapbook-track {
      padding: 14px 16px 22px 16px;
      scroll-padding-inline-start: 16px;
      gap: 16px;
    }
    .photo { flex: 0 0 142px; padding: 7px 7px 12px; }
    .photo.is-upcoming { flex: 0 0 150px; }
    .photo-caption { font-size: 11.5px; }
    .photo-caption .num { font-size: 12px; }
    .program-name { font-size: 20px; }
    .program-price-amount { font-size: 28px; }
    .program-perks li { font-size: 14px; }
    .program-cta { padding: 16px 32px; font-size: 14px; }
    .letter-individual { margin-top: 36px; padding-top: 28px; }
  }

  /* ===========  Full Schedule (전체 일정 통합 — 인트로 패널 안)  =========== */
  .fs-section {
    margin: 56px auto 0;
    max-width: 760px;
  }
  .fs-header {
    text-align: center;
    margin-bottom: 28px;
  }
  .fs-header .label {
    font-family: var(--font-en);
    font-size: 11px;
    letter-spacing: 0.32em;
    color: var(--gold);
    text-transform: uppercase;
    font-weight: 500;
    margin-bottom: 10px;
  }
  .fs-header h3 {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 600;
    color: var(--navy);
    letter-spacing: -0.01em;
    margin-bottom: 6px;
  }
  .fs-header .lead {
    font-family: var(--font-en);
    font-size: 12px;
    color: var(--muted);
    letter-spacing: 0.04em;
  }

  /* Stage badges */
  .fs-stage {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    font-family: var(--font-serif);
    font-size: 13px;
    font-weight: 600;
    flex-shrink: 0;
  }
  .fs-stage--1 { background: var(--navy); color: var(--white); }
  .fs-stage--2 { background: var(--cream-deep); color: var(--navy); border: 1px solid var(--gold); }
  .fs-stage--3 { background: var(--green); color: var(--white); }
  .fs-stage--4 { background: var(--gold-bright); color: var(--navy); }

  .fs-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
  .fs-group {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 20px 24px;
    text-align: left;
  }
  .fs-group-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
  }
  .fs-group-title {
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 600;
    color: var(--navy);
    letter-spacing: -0.005em;
  }
  .fs-group-meta {
    font-family: var(--font-en);
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--muted);
    text-transform: uppercase;
    margin-left: auto;
  }
  .fs-group-body {
    font-size: 13px;
    color: var(--ink);
    line-height: 1.7;
    padding-left: 36px;
  }
  .fs-row {
    display: flex;
    gap: 14px;
    align-items: baseline;
    padding: 5px 0;
  }
  .fs-row .fs-date {
    font-family: var(--font-en);
    font-weight: 500;
    color: var(--navy);
    min-width: 92px;
    font-size: 12.5px;
  }
  .fs-row .fs-time {
    font-family: var(--font-en);
    color: var(--muted);
    font-size: 12px;
    min-width: 110px;
  }
  .fs-row .fs-place {
    color: var(--ink);
    font-size: 12.5px;
  }
  .fs-note {
    color: var(--muted);
    font-size: 12px;
    font-style: italic;
    margin-top: 8px;
  }
  .fs-group-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 14px 0 0 36px;
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 0.06em;
    font-weight: 500;
    color: var(--gold);
    border-bottom: 1px solid rgba(201,168,76,0.30);
    padding-bottom: 2px;
    transition: color .2s, border-color .2s;
  }
  .fs-group-cta:hover {
    color: var(--navy);
    border-bottom-color: var(--navy);
  }
  .fs-group-cta .arrow { transition: transform .2s; }
  .fs-group-cta:hover .arrow { transform: translateX(3px); }

  @media (max-width: 640px) {
    .fs-section { margin-top: 40px; max-width: 100%; }
    .fs-group { padding: 16px 16px; }
    .fs-group-body { padding-left: 0; }
    .fs-group-meta { font-size: 10px; letter-spacing: 0.10em; }
    .fs-group-cta { margin-left: 0; }
    /* 한 줄 유지: 폰트·gap 좁혀 모바일에서도 줄바꿈 없이 표시 */
    .fs-row {
      flex-wrap: nowrap;
      gap: 8px;
      padding: 6px 0;
      border-bottom: 1px dashed var(--line);
      white-space: nowrap;
    }
    .fs-row:last-child { border-bottom: none; }
    .fs-row .fs-date {
      min-width: 0;
      font-size: 11px;
      flex-shrink: 0;
    }
    .fs-row .fs-time {
      min-width: 0;
      font-size: 11px;
      flex-shrink: 0;
    }
    .fs-row .fs-place {
      font-size: 11px;
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
    }
  }
  @media (max-width: 380px) {
    /* 매우 좁은 폰 — 더 줄임 */
    .fs-row { gap: 6px; }
    .fs-row .fs-date,
    .fs-row .fs-time,
    .fs-row .fs-place { font-size: 10.5px; }
  }