:root {
      --content-max: 820px;
      --layout-max: 1160px;
      --header-h: 68px;
    }

    * { box-sizing: border-box; }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: calc(var(--header-h) + 16px);
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
    }

    body {
      margin: 0;
      background: var(--bg);
      color: var(--text);
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      line-height: 1.68;
    }

    a {
      color: var(--info);
      text-underline-offset: 0.18em;
    }

    a:hover { text-decoration-thickness: 2px; }

    a:focus-visible,
    summary:focus-visible,
    .video-facade__button:focus-visible,
    .nav-mobile__toggle:focus-visible,
    .back-to-top a:focus-visible {
      outline: 3px solid var(--blue);
      outline-offset: 3px;
    }

    .skip-link {
      position: absolute;
      left: 12px;
      top: -48px;
      z-index: 100;
      padding: 10px 14px;
      border-radius: 8px;
      background: var(--text);
      color: var(--on-accent);
      font-weight: 700;
      text-decoration: none;
    }

    .skip-link:focus { top: 12px; }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 10;
      border-bottom: 1px solid var(--line);
      background: var(--header-bg);
    }

    main {
      width: min(var(--content-max), calc(100% - 32px));
      margin-inline: auto;
    }

    .container {
      width: min(var(--layout-max), calc(100% - 32px));
      margin-inline: auto;
    }

    .site-header__inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: var(--header-h);
      gap: 20px;
    }

    .nav-desktop ul,
    .nav-mobile nav ul {
      display: flex;
      align-items: center;
      gap: 18px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .nav-desktop a,
    .nav-mobile a {
      color: var(--muted);
      font-size: 0.88rem;
      font-weight: 650;
      text-decoration: none;
    }

    .nav-desktop a:hover,
    .nav-mobile a:hover { color: var(--text); }

    .nav-mobile {
      display: none;
      position: relative;
    }

    .nav-mobile__toggle {
      list-style: none;
      min-height: 44px;
      padding: 10px 14px;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: var(--surface);
      color: var(--text);
      font-weight: 700;
      cursor: pointer;
    }

    .nav-mobile__toggle::-webkit-details-marker { display: none; }

    .nav-mobile nav {
      position: absolute;
      right: 0;
      top: calc(100% + 8px);
      min-width: 220px;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: var(--surface);
      box-shadow: var(--shadow-md);
    }

    .nav-mobile nav ul {
      flex-direction: column;
      align-items: stretch;
      gap: 4px;
    }

    .nav-mobile nav a {
      display: block;
      padding: 10px 12px;
      border-radius: 8px;
    }

    .nav-mobile nav a:hover { background: var(--bg); }

    .brand {
      font-weight: 850;
      letter-spacing: -0.03em;
      font-size: 1.25rem;
      color: var(--text);
      text-decoration: none;
    }

    main {
      background: var(--surface);
      margin-top: 32px;
      margin-bottom: 32px;
      padding: clamp(24px, 5vw, 58px);
      border: 1px solid var(--line);
      border-radius: 18px;
      box-shadow: var(--shadow-sm);
    }

    .eyebrow {
      margin: 0 0 12px;
      color: var(--accent);
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      font-size: 0.78rem;
    }

    h1 {
      margin: 0;
      font-size: clamp(2rem, 6vw, 3.55rem);
      line-height: 1.04;
      letter-spacing: -0.045em;
    }

    .lead {
      margin: 22px 0 0;
      color: var(--text-body);
      font-size: 1.18rem;
      line-height: 1.55;
    }

    .meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 18px;
      margin: 24px 0 0;
      color: var(--muted);
      font-size: 0.9rem;
    }

    .verdict {
      margin: 34px 0;
      padding: 22px;
      background: var(--accent-soft);
      border: 1px solid var(--accent-border);
      border-left: 6px solid var(--accent);
      border-radius: 12px;
    }

    .verdict strong {
      display: block;
      color: var(--accent);
      font-size: 1.12rem;
      margin-bottom: 6px;
    }

    h2 {
      margin: 48px 0 14px;
      font-size: 1.65rem;
      line-height: 1.2;
      letter-spacing: -0.025em;
    }

    h3 {
      margin: 30px 0 10px;
      font-size: 1.18rem;
    }

    p { margin: 14px 0; }

    blockquote {
      margin: 22px 0;
      padding: 4px 0 4px 22px;
      border-left: 4px solid var(--line);
      color: var(--text-body);
      font-size: 1.08rem;
    }

    .claim-box,
    .context-box,
    .note-box {
      padding: 20px;
      margin: 24px 0;
      border-radius: 12px;
    }

    .claim-box {
      background: var(--accent-soft);
      border: 1px solid var(--accent-border);
    }

    .context-box {
      background: var(--info-soft);
      border: 1px solid var(--info-border);
    }

    .note-box {
      background: var(--warning-soft);
      border: 1px solid var(--warning-border);
    }

    .comparison {
      width: 100%;
      border-collapse: collapse;
      margin: 22px 0;
      font-size: 0.96rem;
    }

    .comparison th,
    .comparison td {
      border: 1px solid var(--line);
      padding: 14px;
      text-align: left;
      vertical-align: top;
    }

    .comparison th {
      background: var(--elevated);
    }

    .comparison td:first-child {
      width: 30%;
      font-weight: 700;
    }

    .video-facade {
      position: relative;
      margin: 26px 0;
      aspect-ratio: 16 / 9;
      border: 0;
      border-radius: 14px;
      overflow: hidden;
      padding: 0;
      background: var(--media-bg);
      cursor: pointer;
    }

    .video-facade img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .video-facade__button {
      display: block;
      width: 100%;
      height: 100%;
      border: 0;
      padding: 0;
      background: transparent;
      cursor: pointer;
    }

    .video-facade__label {
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
      padding: 12px 18px;
      border-radius: 999px;
      background: var(--overlay-bg);
      color: var(--on-media);
      font-weight: 700;
      font-size: 0.95rem;
      pointer-events: none;
    }

    .video.is-loaded iframe {
      width: 100%;
      height: 100%;
      border: 0;
    }

    .video.is-loaded {
      margin: 26px 0;
      aspect-ratio: 16 / 9;
      border-radius: 14px;
      overflow: hidden;
      background: var(--media-bg);
    }

    .toc {
      margin: 28px 0 34px;
      padding: 20px 22px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: var(--elevated-alt);
    }

    .toc__title {
      margin: 0 0 12px;
      font-size: 0.82rem;
      font-weight: 800;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--muted);
    }

    .toc ol {
      margin: 0;
      padding-left: 1.2rem;
      columns: 2;
      column-gap: 28px;
    }

    .toc li {
      margin: 6px 0;
      break-inside: avoid;
      font-size: 0.92rem;
    }

    .back-to-top {
      margin: 42px 0 0;
      text-align: center;
      font-size: 0.9rem;
    }

    .back-to-top a {
      display: inline-flex;
      min-height: 44px;
      align-items: center;
      padding: 0 16px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: var(--surface);
      color: var(--text);
      font-weight: 700;
      text-decoration: none;
    }

    footer {
      padding: 34px 0 48px;
      border-top: 1px solid var(--line);
      background: var(--surface);
      color: var(--muted);
      font-size: 0.9rem;
    }

    .footer-inner {
      display: flex;
      justify-content: space-between;
      gap: 24px;
      align-items: center;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
    }

    .footer-links a {
      color: var(--muted);
      text-decoration: none;
    }

    .footer-links a:hover {
      color: var(--text);
    }

    .transcript {
      border-left: 4px solid var(--info);
      padding-left: 20px;
    }

    .transcript p {
      margin: 10px 0;
    }

    .label {
      display: inline-block;
      margin-right: 7px;
      padding: 2px 8px;
      border-radius: 999px;
      font-weight: 800;
      font-size: 0.76rem;
      vertical-align: 0.08em;
    }

    .label-fact {
      background: var(--ok-soft);
      color: var(--ok);
    }

    .label-limit {
      background: var(--warning-soft);
      color: var(--warning);
    }

    .takeaway {
      margin: 34px 0 0;
      padding: 24px;
      border-radius: 12px;
      background: var(--inverse-surface);
      color: var(--inverse-text);
    }

    .takeaway h2 {
      margin-top: 0;
      color: var(--inverse-text);
    }

    .sources {
      padding-left: 1.3rem;
    }

    .sources li {
      margin: 13px 0;
      overflow-wrap: anywhere;
    }

    .correction {
      margin-top: 42px;
      padding-top: 24px;
      border-top: 1px solid var(--line);
      color: var(--muted);
      font-size: 0.92rem;
    }

    @media (max-width: 760px) {
      .nav-desktop { display: none; }
      .nav-mobile { display: block; }
      .toc ol { columns: 1; }
      .footer-inner {
        align-items: flex-start;
        flex-direction: column;
      }
    }

    @media (max-width: 620px) {
      main {
        width: 100%;
        margin-top: 0;
        border-radius: 0;
        border-left: 0;
        border-right: 0;
      }
      .comparison,
      .comparison tbody,
      .comparison tr,
      .comparison th,
      .comparison td {
        display: block;
        width: 100%;
      }
      .comparison th { display: none; }
      .comparison tr {
        margin-bottom: 14px;
        border: 1px solid var(--line);
        border-radius: 10px;
        overflow: hidden;
      }
      .comparison td:first-child { width: 100%; background: var(--elevated); }
      .comparison td[data-label]::before {
        content: attr(data-label);
        display: block;
        margin-bottom: 6px;
        color: var(--muted);
        font-size: 0.78rem;
        font-weight: 800;
        letter-spacing: 0.06em;
        text-transform: uppercase;
      }
    }
  
    .breadcrumbs {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 7px;
      margin-bottom: 24px;
      color: var(--muted);
      font-size: 0.86rem;
    }

    .breadcrumbs a {
      color: var(--muted);
    }

    abbr[title] {
      text-decoration: none;
      border-bottom: 1px dotted currentColor;
      cursor: help;
    }

    .faq details {
      margin: 12px 0;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: var(--surface);
    }

    .faq summary {
      cursor: pointer;
      padding: 16px 18px;
      font-weight: 750;
    }

    .faq details p {
      margin: 0;
      padding: 0 18px 18px;
    }

    .original-source {
      display: grid;
      gap: 6px;
      margin: 24px 0 8px;
      padding: 18px 20px;
      border: 1px solid var(--line);
      border-left: 5px solid var(--text);
      border-radius: 12px;
      background: var(--elevated-alt);
    }

    .original-source strong {
      font-size: 0.78rem;
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }

    .original-source a {
      font-weight: 750;
    }

    .original-source span {
      color: var(--muted);
      font-size: 0.88rem;
    }

    .problem-summary {
      margin: 38px 0;
      padding: 24px;
      border: 1px solid var(--warning-border);
      border-radius: 14px;
      background: var(--warning-soft);
    }

    .problem-summary h2 {
      margin-top: 0;
    }

    .brand-logo {
      display: block;
      width: clamp(176px, 22vw, 238px);
      height: auto;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      text-decoration: none;
      line-height: 1;
    }

    @media (max-width: 420px) {
      .brand-logo {
        width: 168px;
      }
    }