/* ========= PC 셸: 좌 홈페이지 2/3 + 우 스카이 1/3 ========= */
  .site-shell {
    display: block;
    height: 100%;
    width: 100%;
  }
  .stage-panel {
    display: none;
  }
  .sky-rail {
    height: 100%;
    width: 100%;
  }

  .app {
    width: 100%;
    max-width: min(440px, 100%);
    min-height: calc(100vh - var(--app-top-gap));
    min-height: calc(100dvh - var(--app-top-gap));
    height: calc(100vh - var(--app-top-gap));
    height: calc(100dvh - var(--app-top-gap));
    margin: var(--app-top-gap) auto 0;
    display: flex;
    flex-direction: column;
    position: relative;
    background: linear-gradient(180deg, #fafbfc 0%, #fff 35%, #f8fafc 100%);
    border-radius: 22px 22px 0 0;
    box-shadow: 0 0 0 1px rgba(0,0,0,0.04), 0 12px 40px rgba(15,23,42,0.08);
    overflow-x: clip;
  }

  @media (min-width: 960px) {
    body {
      background:
        radial-gradient(1200px 600px at 12% -10%, rgba(26, 92, 170, 0.12), transparent 55%),
        linear-gradient(180deg, #dfe7f0 0%, var(--sky-rail-bg) 45%, #d8e2ec 100%);
      overflow: hidden;
    }
    .site-shell {
      display: grid;
      grid-template-columns: minmax(0, 2fr) minmax(340px, 1fr);
      height: 100dvh;
      max-width: 1600px;
      margin: 0 auto;
      gap: 0;
    }
    .stage-panel {
      display: flex;
      flex-direction: column;
      min-width: 0;
      height: 100dvh;
      border-right: 1px solid var(--line);
      background:
        linear-gradient(165deg, rgba(255,255,255,0.72) 0%, rgba(244,246,248,0.9) 40%, rgba(235,240,244,0.95) 100%);
      backdrop-filter: blur(8px);
    }
    .sky-rail {
      display: flex;
      flex-direction: column;
      min-width: 0;
      height: 100dvh;
      background: transparent;
      padding: 12px 14px 12px 10px;
    }
    .sky-rail .app {
      max-width: none;
      width: 100%;
      height: 100%;
      min-height: 0;
      margin: 0;
      border-radius: 18px;
      box-shadow: 0 10px 36px rgba(15, 23, 42, 0.12);
      overflow: hidden;
    }
    /* 툴 오버레이는 우측 스카이 레일 안에만 */
    .sky-rail .tarot-overlay,
    .sky-rail .social-overlay,
    .sky-rail .support-overlay {
      position: absolute;
      inset: 0;
      border-radius: 18px;
      height: 100%;
      max-height: 100%;
    }
    .sky-rail .overlay-shell {
      height: 100%;
      max-height: 100%;
    }
    .sky-rail .api-setting {
      left: 12px;
      right: 12px;
      width: auto;
    }
    .sky-rail .bottom-bar {
      padding-left: 10px;
      padding-right: 10px;
      gap: 10px;
    }
    .sky-rail .fab-plus-wrap {
      margin-left: 0;
    }
    .top-slim-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 14px 28px 10px;
      flex-shrink: 0;
      position: sticky;
      top: 0;
      z-index: 5;
      background: linear-gradient(180deg, rgba(250,251,252,0.92) 0%, rgba(250,251,252,0.7) 80%, transparent 100%);
      backdrop-filter: blur(6px);
    }
    .top-slim-actions {
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 8px;
      min-width: 0;
    }
    .lang-switch {
      display: inline-flex;
      gap: 2px;
      padding: 3px;
      border-radius: 999px;
      background: rgba(255,255,255,0.75);
      border: 1px solid var(--line);
    }
    .lang-switch button {
      border: none;
      background: transparent;
      color: var(--muted);
      font: inherit;
      font-size: 11px;
      font-weight: 800;
      letter-spacing: 0.04em;
      padding: 5px 8px;
      border-radius: 999px;
      cursor: pointer;
      line-height: 1;
    }
    .lang-switch button:hover {
      color: var(--accent-deep);
      background: rgba(90,132,184,0.1);
    }
    .lang-switch button.active {
      background: linear-gradient(135deg, var(--accent), var(--accent-deep));
      color: #fff;
    }
    .top-slim-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-family: var(--font);
      font-size: 22px;
      font-weight: 700;
      letter-spacing: -0.03em;
      color: var(--ink);
      text-decoration: none;
    }
    .top-slim-brand img {
      width: 36px;
      height: 36px;
      object-fit: contain;
      border-radius: 8px;
    }
    .top-slim-brand span {
      font-family: var(--font);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.04em;
      color: var(--accent);
      margin-left: 4px;
      vertical-align: middle;
    }
    .top-slim-badge {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      margin-left: 10px;
      padding: 4px 10px;
      border-radius: 999px;
      background: linear-gradient(135deg, rgba(90,132,184,0.14), rgba(90,132,184,0.06));
      border: 1px solid rgba(90,132,184,0.3);
      color: var(--accent-deep);
      font-family: var(--font);
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 0.01em;
      white-space: normal;
      max-width: 16em;
      line-height: 1.25;
    }
    .top-slim-nav {
      display: flex;
      flex-wrap: wrap;
      gap: 4px;
      justify-content: flex-end;
      position: relative;
    }
    .stage-scroll {
      flex: 1;
      min-height: 0;
      overflow-y: auto;
      overflow-x: hidden;
      scroll-behavior: smooth;
      padding: 12px 32px 56px;
    }
    .stage-section {
      max-width: 760px;
      margin: 0 auto 40px;
      scroll-margin-top: 72px;
    }
    .stage-section.hero {
      min-height: min(58vh, 520px);
      display: flex;
      flex-direction: column;
      justify-content: center;
      margin-bottom: 28px;
    }
    .stage-hero-mark {
      width: min(120px, 26vw);
      height: auto;
      display: block;
      margin-bottom: 18px;
    }
    .stage-kicker {
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 12px;
    }
    .stage-brand {
      font-family: var(--font);
      font-size: clamp(40px, 5vw, 56px);
      font-weight: 800;
      letter-spacing: -0.04em;
      line-height: 1.05;
      color: var(--ink);
      margin-bottom: 8px;
    }
    .stage-line {
      font-size: clamp(20px, 2.2vw, 26px);
      font-weight: 700;
      color: var(--ink);
      letter-spacing: -0.02em;
      margin-bottom: 12px;
    }
    .stage-lead {
      font-size: 15px;
      line-height: 1.55;
      color: var(--muted);
      max-width: 34em;
      margin-bottom: 22px;
    }
    .stage-cta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 14px;
    }
    .stage-chip,
    .ask-sky-btn {
      border: none;
      font: inherit;
      font-size: 14px;
      font-weight: 700;
      padding: 12px 18px;
      border-radius: 999px;
      cursor: pointer;
      transition: transform 0.12s, background 0.15s, border-color 0.15s;
    }
    .stage-chip {
      background: var(--accent);
      color: #fff;
      text-decoration: none;
      display: inline-block;
    }
    .stage-chip:hover,
    .ask-sky-btn:hover {
      background: var(--accent-deep);
      transform: translateY(-1px);
    }
    .stage-chip.ghost,
    .ask-sky-btn.ghost {
      background: rgba(255,255,255,0.85);
      color: var(--ink);
      border: 1px solid var(--line);
    }
    .stage-chip.ghost:hover,
    .ask-sky-btn.ghost:hover {
      border-color: rgba(90,132,184,0.45);
      background: #fff;
    }
    .stage-hint {
      font-size: 13px;
      color: var(--muted);
    }
    .stage-hint strong { color: var(--accent-deep); }
    .stage-h2 {
      font-family: var(--font);
      font-size: 26px;
      font-weight: 700;
      letter-spacing: -0.03em;
      margin-bottom: 8px;
      color: var(--ink);
    }
    .stage-sub {
      font-size: 14px;
      line-height: 1.5;
      color: var(--muted);
      margin-bottom: 18px;
      max-width: 36em;
    }
    .mission-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
      gap: 10px;
    }
    .mission-card {
      background: rgba(255,255,255,0.8);
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 16px 14px;
      min-height: 96px;
    }
    .mission-card strong {
      display: block;
      font-size: 13px;
      font-weight: 800;
      color: var(--ink);
      margin-bottom: 6px;
      letter-spacing: -0.02em;
    }
    .mission-card span {
      font-size: 12px;
      line-height: 1.45;
      color: var(--muted);
    }
    .product-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .product-card {
      background: rgba(255,255,255,0.82);
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 20px 18px;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .product-card .tag {
      font-size: 11px;
      font-weight: 800;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--accent);
    }
    .product-card h3 {
      font-size: 18px;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--ink);
    }
    .product-card p {
      font-size: 13px;
      line-height: 1.45;
      color: var(--muted);
    }
    .feature-icon-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 8px;
      margin-top: 4px;
    }
    .feature-icon {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 4px;
      text-align: center;
      font-size: 11px;
      font-weight: 700;
      color: var(--accent-deep);
      background: rgba(90,132,184,0.06);
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 10px 6px;
      min-height: 64px;
      line-height: 1.3;
    }
    .feature-icon b {
      display: block;
      font-size: 16px;
      margin-bottom: 0;
      font-weight: 800;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
    }
    .stat-card {
      background: rgba(255,255,255,0.82);
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 18px 14px;
      text-align: center;
    }
    .stat-card .num {
      display: block;
      font-family: var(--font);
      font-size: 28px;
      font-weight: 700;
      letter-spacing: -0.03em;
      color: var(--ink);
      margin-bottom: 4px;
    }
    .stat-card .label {
      font-size: 12px;
      font-weight: 650;
      color: var(--muted);
    }
    .achieve-grid,
    .team-grid {
      display: grid;
      gap: 10px;
    }
    .achieve-grid { grid-template-columns: 1fr 1fr; }
    .team-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .achieve-card,
    .team-card {
      background: rgba(255,255,255,0.82);
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 16px;
    }
    .achieve-card h3,
    .team-card h3 {
      font-size: 14px;
      font-weight: 800;
      color: var(--ink);
      margin-bottom: 4px;
    }
    .achieve-card p,
    .team-card p {
      font-size: 12px;
      line-height: 1.45;
      color: var(--muted);
    }
    .blog-strip {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 10px;
      align-items: stretch;
      margin-top: 8px;
    }
    .blog-nav-btn {
      width: 36px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: rgba(255,255,255,0.9);
      color: var(--ink);
      font-size: 22px;
      font-weight: 700;
      cursor: pointer;
      line-height: 1;
    }
    .blog-nav-btn:disabled {
      opacity: 0.35;
      cursor: default;
    }
    .blog-cards {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
      min-height: 140px;
    }
    .blog-card {
      display: flex;
      flex-direction: column;
      gap: 8px;
      padding: 0;
      border: 1px solid var(--line);
      border-radius: 16px;
      background: rgba(255,255,255,0.9);
      overflow: hidden;
      cursor: pointer;
      text-align: left;
      color: inherit;
      font: inherit;
    }
    .blog-card:hover {
      border-color: rgba(90, 132, 184, 0.45);
      transform: translateY(-1px);
    }
    .blog-card img {
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: cover;
      background: #e8eef4;
      display: block;
    }
    .blog-card h3 {
      font-size: 13px;
      font-weight: 800;
      color: var(--ink);
      padding: 0 12px 12px;
      line-height: 1.35;
      margin: 0;
    }
    .blog-empty,
    .blog-page-hint {
      font-size: 12px;
      color: var(--muted);
      margin-top: 10px;
    }
    .ask-sky-btn {
      display: inline-flex;
      align-items: center;
      background: var(--accent);
      color: #fff;
      margin-top: 4px;
      width: fit-content;
      text-decoration: none;
    }
    .stage-footer {
      max-width: 760px;
      margin: 28px auto 0;
      padding-top: 20px;
      border-top: 1px solid var(--line);
      font-size: 12px;
      line-height: 1.6;
      color: var(--muted);
    }
    .contact-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
      margin: 14px 0 8px;
    }
    .contact-row a {
      color: var(--accent-deep);
      font-weight: 700;
    }
    .contact-email-hint {
      font-size: 12px;
      color: var(--muted);
    }
    @media (max-width: 1100px) {
      .product-grid,
      .stats-grid { grid-template-columns: 1fr 1fr; }
      .feature-icon-grid { grid-template-columns: repeat(3, 1fr); }
    }
  }

  /* 스크롤되는 본문 — 하단 대화창은 바깥에 고정 */
  .app-main {
    flex: 1;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    display: flex;
    flex-direction: column;
    padding-top: 8px;
  }