:root {
      --ink: #1a2334;
      --muted: #5b6575;
      --paper: #fffdf8;
      --cream: #fff3d5;
      --mint: #dff8e6;
      --green: #0c7c59;
      --blue: #2364aa;
      --sky: #d9efff;
      --orange: #f28c28;
      --pink: #f25f8c;
      --berry: #7a3e9d;
      --yellow: #ffd166;
      --line: rgba(26, 35, 52, 0.14);
      --shadow: 0 18px 45px rgba(26, 35, 52, 0.14);
      color-scheme: light;
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      line-height: 1.65;
    }

    * { box-sizing: border-box; }

    html { scroll-behavior: smooth; }

    body {
      margin: 0;
      color: var(--ink);
      background:
        radial-gradient(circle at top left, rgba(255, 209, 102, 0.42), transparent 34rem),
        radial-gradient(circle at top right, rgba(35, 100, 170, 0.18), transparent 30rem),
        linear-gradient(180deg, #fffaf0 0%, #f4fbff 46%, #fffdf8 100%);
      font-size: 1rem;
    }

    a {
      color: var(--blue);
      text-decoration-thickness: 0.12em;
      text-underline-offset: 0.18em;
    }

    img {
      display: block;
      max-width: 100%;
    }

    .skip-link {
      position: absolute;
      left: 1rem;
      top: 1rem;
      z-index: 10;
      transform: translateY(-180%);
      border-radius: 999px;
      background: var(--ink);
      color: #fff;
      padding: 0.7rem 1rem;
      font-weight: 800;
    }

    .skip-link:focus { transform: translateY(0); }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 5;
      border-bottom: 1px solid rgba(255, 255, 255, 0.5);
      background: rgba(255, 253, 248, 0.88);
      backdrop-filter: blur(16px);
    }

    .nav {
      width: min(1180px, calc(100% - 2rem));
      margin: 0 auto;
      min-height: 68px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 0.65rem;
      color: var(--ink);
      font-weight: 900;
      text-decoration: none;
      letter-spacing: 0;
      white-space: nowrap;
    }

    .brand-mark {
      width: 2.2rem;
      height: 2.2rem;
      border-radius: 0.75rem;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, var(--green), #18a783);
      box-shadow: 0 10px 22px rgba(12, 124, 89, 0.22);
    }

    .brand-mark svg {
      width: 1.45rem;
      height: 1.45rem;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: clamp(0.35rem, 1vw, 1rem);
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .nav-links a {
      color: var(--ink);
      text-decoration: none;
      font-size: 0.92rem;
      font-weight: 800;
      padding: 0.45rem 0.6rem;
      border-radius: 999px;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible {
      background: var(--mint);
      outline: none;
    }

    .hero {
      width: min(1180px, calc(100% - 2rem));
      margin: 2rem auto 0;
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
      gap: clamp(1.2rem, 4vw, 3.2rem);
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      width: fit-content;
      gap: 0.45rem;
      border: 1px solid var(--line);
      background: #fff;
      padding: 0.42rem 0.75rem;
      border-radius: 999px;
      font-weight: 900;
      font-size: 0.82rem;
      color: var(--green);
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .hero h1 {
      margin: 1rem 0 1rem;
      max-width: 12ch;
      font-size: clamp(2.8rem, 8vw, 6.4rem);
      line-height: 0.92;
      letter-spacing: 0;
    }

    .hero-subtitle {
      max-width: 65ch;
      color: #354258;
      font-size: clamp(1.08rem, 2vw, 1.32rem);
      line-height: 1.55;
      margin: 0;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      gap: 0.8rem;
      flex-wrap: wrap;
      margin-top: 1.5rem;
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      border-radius: 999px;
      border: 2px solid transparent;
      padding: 0.78rem 1.15rem;
      text-decoration: none;
      font-weight: 900;
      line-height: 1.1;
    }

    .button.primary {
      background: var(--ink);
      color: #fff;
      box-shadow: 0 14px 26px rgba(26, 35, 52, 0.2);
    }

    .button.secondary {
      background: #fff;
      color: var(--ink);
      border-color: var(--line);
    }

    .hero-photo-wrap {
      position: relative;
      isolation: isolate;
    }

    .hero-photo-wrap::before {
      content: "";
      position: absolute;
      inset: -1rem -0.7rem 1.5rem 1.5rem;
      z-index: -1;
      border-radius: 2rem;
      background: linear-gradient(135deg, var(--yellow), var(--pink), var(--sky));
      transform: rotate(3deg);
    }

    .hero-photo {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
      border: 8px solid #fff;
      border-radius: 2rem;
      box-shadow: var(--shadow);
    }

    .stat-ribbon {
      width: min(1180px, calc(100% - 2rem));
      margin: clamp(2rem, 6vw, 4rem) auto;
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 1rem;
    }

    .stat-card {
      border: 1px solid var(--line);
      border-radius: 1.1rem;
      background: #fff;
      padding: 1.15rem;
      box-shadow: 0 10px 24px rgba(26, 35, 52, 0.08);
    }

    .stat-card strong {
      display: block;
      color: var(--green);
      font-size: clamp(1.75rem, 4vw, 2.7rem);
      line-height: 1;
      letter-spacing: 0;
      margin-bottom: 0.4rem;
    }

    .stat-card span {
      display: block;
      color: var(--muted);
      font-weight: 750;
      line-height: 1.35;
    }

    .layout {
      width: min(1180px, calc(100% - 2rem));
      margin: 0 auto 4rem;
      display: grid;
      grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
      gap: clamp(1.3rem, 4vw, 3rem);
      align-items: start;
    }

    .toc {
      position: sticky;
      top: 88px;
      border: 1px solid var(--line);
      border-radius: 1.1rem;
      background: rgba(255, 255, 255, 0.82);
      padding: 1rem;
      box-shadow: 0 12px 28px rgba(26, 35, 52, 0.08);
    }

    .toc p {
      margin: 0 0 0.7rem;
      font-size: 0.82rem;
      font-weight: 950;
      color: var(--green);
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }

    .toc a {
      display: block;
      color: var(--ink);
      text-decoration: none;
      font-size: 0.93rem;
      font-weight: 750;
      line-height: 1.25;
      padding: 0.48rem 0.5rem;
      border-radius: 0.7rem;
    }

    .toc a:hover,
    .toc a:focus-visible {
      background: var(--sky);
      outline: none;
    }

    main { min-width: 0; }

    .answer-box,
    .callout,
    .voice-summary {
      border-radius: 1.2rem;
      border: 1px solid var(--line);
      padding: clamp(1.1rem, 3vw, 1.6rem);
      margin: 0 0 1.5rem;
      box-shadow: 0 12px 28px rgba(26, 35, 52, 0.08);
    }

    .answer-box { background: linear-gradient(135deg, #ffffff, var(--mint)); }

    .answer-box h2,
    .voice-summary h2 {
      margin-top: 0;
      font-size: clamp(1.45rem, 4vw, 2.2rem);
    }

    .answer-box p,
    .voice-summary p {
      margin-bottom: 0;
      font-size: 1.08rem;
    }

    .article-card {
      border: 1px solid var(--line);
      border-radius: 1.4rem;
      background: rgba(255, 255, 255, 0.9);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    article { padding: clamp(1.2rem, 5vw, 3.2rem); }

    article h2 {
      margin: 2.8rem 0 0.85rem;
      font-size: clamp(1.75rem, 4.2vw, 2.7rem);
      line-height: 1.05;
      letter-spacing: 0;
    }

    article h3 {
      margin: 1.7rem 0 0.45rem;
      font-size: clamp(1.2rem, 3vw, 1.55rem);
      line-height: 1.2;
    }

    article p {
      margin: 0 0 1.05rem;
      color: #2f3b4f;
      font-size: clamp(1rem, 1.8vw, 1.08rem);
    }

    article strong { color: #111827; }

    article ul {
      margin: 0 0 1.3rem;
      padding-left: 1.25rem;
    }

    article li {
      margin: 0.35rem 0;
      color: #2f3b4f;
      font-size: 1.04rem;
    }

    .section-kicker {
      display: inline-block;
      margin-bottom: 0.7rem;
      border-radius: 999px;
      background: var(--cream);
      color: #8a4b00;
      padding: 0.35rem 0.7rem;
      font-size: 0.78rem;
      font-weight: 950;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .image-panel {
      margin: 2rem 0;
      border-radius: 1.4rem;
      overflow: hidden;
      border: 1px solid var(--line);
      background: #fff;
      box-shadow: 0 16px 34px rgba(26, 35, 52, 0.1);
    }

    .image-panel img {
      width: 100%;
      aspect-ratio: 16 / 8.5;
      object-fit: cover;
    }

    .image-panel figcaption {
      padding: 0.85rem 1rem;
      color: var(--muted);
      font-size: 0.92rem;
      font-weight: 700;
    }

    .callout {
      background: linear-gradient(135deg, var(--sky), #fff);
      border-left: 7px solid var(--blue);
    }

    .callout.green {
      background: linear-gradient(135deg, var(--mint), #fff);
      border-left-color: var(--green);
    }

    .callout p:last-child { margin-bottom: 0; }

    .habit-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 1rem;
      margin: 1.5rem 0 2rem;
    }

    .habit {
      border: 1px solid var(--line);
      border-radius: 1rem;
      padding: 1rem;
      background: #fff;
      min-height: 150px;
      box-shadow: 0 10px 22px rgba(26, 35, 52, 0.07);
    }

    .habit b {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 1.03rem;
      margin-bottom: 0.45rem;
    }

    .habit .dot {
      width: 0.75rem;
      height: 0.75rem;
      border-radius: 50%;
      flex: 0 0 auto;
      background: var(--pink);
      box-shadow: 0 0 0 5px rgba(242, 95, 140, 0.16);
    }

    .habit:nth-child(2) .dot,
    .habit:nth-child(5) .dot {
      background: var(--blue);
      box-shadow: 0 0 0 5px rgba(35, 100, 170, 0.14);
    }

    .habit:nth-child(3) .dot,
    .habit:nth-child(6) .dot {
      background: var(--green);
      box-shadow: 0 0 0 5px rgba(12, 124, 89, 0.14);
    }

    .habit p {
      margin: 0;
      color: var(--muted);
      font-size: 0.98rem;
      line-height: 1.5;
    }

    .faq {
      padding: clamp(1.2rem, 4vw, 2rem);
      background: linear-gradient(135deg, #10233b, #0c7c59);
      color: #fff;
    }

    .faq h2 {
      margin: 0 0 1rem;
      color: #fff;
      font-size: clamp(1.7rem, 4vw, 2.5rem);
      line-height: 1.1;
    }

    details {
      border-top: 1px solid rgba(255, 255, 255, 0.22);
      padding: 1rem 0;
    }

    details:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.22); }

    summary {
      cursor: pointer;
      font-weight: 900;
      font-size: 1.05rem;
    }

    details p {
      color: rgba(255, 255, 255, 0.86);
      margin: 0.65rem 0 0;
    }

    .voice-summary {
      margin-top: 1.5rem;
      background: linear-gradient(135deg, #fff, #fff0f5);
      border-left: 7px solid var(--pink);
    }

    .footer {
      background: #10233b;
      color: rgba(255, 255, 255, 0.84);
      padding: 2rem 1rem;
    }

    .footer-inner {
      width: min(1180px, 100%);
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      gap: 1rem;
      flex-wrap: wrap;
      align-items: center;
    }

    .footer p {
      margin: 0;
      max-width: 75ch;
    }

    .top-link {
      color: #fff;
      font-weight: 900;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 0.8rem;
    }

    .footer-links a {
      color: #fff;
      font-weight: 900;
    }

    @media (max-width: 900px) {
      .nav {
        align-items: flex-start;
        flex-direction: column;
        padding: 0.8rem 0;
      }

      .nav-links { justify-content: flex-start; }

      .hero,
      .layout { grid-template-columns: 1fr; }

      .hero { margin-top: 1.2rem; }

      .hero h1 { max-width: 11ch; }

      .toc {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .toc p { grid-column: 1 / -1; }

      .stat-ribbon { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }

    @media (max-width: 620px) {
      .nav-links a {
        padding: 0.38rem 0.45rem;
        font-size: 0.86rem;
      }

      .hero h1 { font-size: clamp(2.35rem, 14vw, 4.2rem); }

      .hero-photo-wrap::before {
        inset: -0.65rem -0.4rem 1rem 0.8rem;
        border-radius: 1.5rem;
      }

      .hero-photo,
      .image-panel { border-radius: 1.1rem; }

      .stat-ribbon,
      .habit-grid,
      .toc { grid-template-columns: 1fr; }

      .button { width: 100%; }

      article { padding: 1rem; }

      article h2 { margin-top: 2.2rem; }
    }
  
html { scroll-padding-top: 11rem; }
a:focus-visible, summary:focus-visible { outline: 3px solid #2364aa; outline-offset: 4px; }
.footer-links { display:flex; flex-wrap:wrap; gap:1rem; }
a[href^="mailto:"] { overflow-wrap:anywhere; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }