:root {
      --bg: #faf8f5;
      --bg-card: rgba(255,255,255,0.72);
      --text: #2c2825;
      --text-secondary: #5c5652;
      --accent: #168a5a;
      --accent-hover: #0f754b;
      --accent-soft: #1976d2;
      --border: #e8e4df;
      --shadow: 0 4px 24px rgba(0,0,0,0.06);
      --blur: 32px;
      --radius: 12px;
      --radius-lg: 18px;
      --safe-top: env(safe-area-inset-top);
      --safe-bottom: env(safe-area-inset-bottom);
    }
    body.dark-mode {
      --bg: #0a0a0a;
      --bg-card: rgba(26,26,26,0.72);
      --text: #f5f5f5;
      --text-secondary: #b0b0b0;
      --accent: #35c98a;
      --accent-hover: #54d9a0;
      --accent-soft: #42a5f5;
      --border: #2a2a2a;
      --shadow: 0 4px 32px rgba(0,0,0,0.3);
    }
    *, *::before, *::after { box-sizing: border-box; }
    a, button { -webkit-tap-highlight-color: transparent; }
    a:focus:not(:focus-visible), button:focus:not(:focus-visible) { outline: none; }
    html { scroll-behavior: smooth; scroll-padding-top: 52px; -webkit-font-smoothing: antialiased; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'SF Pro Text', sans-serif;
      font-size: 17px;
      line-height: 1.47;
      color: var(--text);
      background: var(--bg);
      transition: background 0.4s, color 0.3s;
    }
    body.dark-mode { background: var(--bg); }
    main {
      opacity: 0;
      transform: translateY(18px);
      animation: page-rise 0.42s cubic-bezier(0.22, 1, 0.36, 1) 0.08s forwards;
    }
    @keyframes page-rise {
      from { opacity: 0; transform: translateY(18px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 22px; }
    header {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      background: rgba(255,255,255,0.42);
      backdrop-filter: saturate(190%) blur(38px);
      -webkit-backdrop-filter: saturate(190%) blur(38px);
      border-bottom: 0.5px solid rgba(255,255,255,0.5);
      box-shadow: 0 1px 0 0 rgba(0,0,0,0.04), inset 0 1px 0 0 rgba(255,255,255,0.6);
      transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
      will-change: background, transform;
    }
    body.dark-mode header {
      background: rgba(20,20,20,0.52);
      border-bottom-color: rgba(255,255,255,0.08);
      box-shadow: 0 1px 0 0 rgba(0,0,0,0.2), inset 0 1px 0 0 rgba(255,255,255,0.05);
    }
    header .container {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      height: 52px;
      padding-top: var(--safe-top);
      padding-right: 62px;
      max-width: 900px;
    }
    .logo a {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--text);
      text-decoration: none;
      font-family: Georgia, serif;
      font-weight: 600;
      font-size: 20px;
      letter-spacing: 0.03em;
    }
    .logo a:hover { color: var(--accent); }
    .logo img { height: 32px; width: auto; }
    .theme-toggle {
      position: absolute;
      top: 50%;
      right: 0;
      transform: translateY(-50%);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 30px;
      height: 30px;
      border: 0;
      border-radius: 50%;
      background: transparent;
      color: var(--text);
      backdrop-filter: blur(18px) saturate(150%);
      -webkit-backdrop-filter: blur(18px) saturate(150%);
      box-shadow: none;
      cursor: pointer;
      transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    }
    .theme-toggle:hover {
      background: rgba(255,255,255,0.16);
      transform: translateY(-51%);
      box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    }
    .theme-toggle .theme-icon {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 18px;
      height: 18px;
      line-height: 1;
    }
    .theme-toggle .theme-icon svg {
      width: 18px;
      height: 18px;
      display: block;
    }

    nav ul {
      list-style: none;
      margin: 0; padding: 0;
      display: flex;
      gap: 18px;
      margin-left: auto;
    }
    header .desktop-nav {
      display: flex;
      align-items: center;
      margin-left: auto;
    }
    nav a {
      color: var(--text-secondary);
      text-decoration: none;
      font-size: 14px;
      font-weight: 500;
      transition: color 0.2s;
    }
    nav a:hover, nav a.active { color: var(--text); }

    @media (max-width: 768px) {
      header nav.desktop-nav { display: none !important; }
      header .logo {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        white-space: nowrap;
      }
    }

    .bottom-nav {
      display: none;
    }
    @media (max-width: 768px) {
      .bottom-nav {
        display: flex;
        position: fixed;
        bottom: 12px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 99;
        width: calc(100% - 22px);
        max-width: 380px;
        background: rgba(24,28,27,0.48);
        backdrop-filter: blur(22px) saturate(135%);
        -webkit-backdrop-filter: blur(22px) saturate(135%);
        border: 1px solid rgba(255,255,255,0.14);
        border-radius: 16px;
        box-shadow: 0 8px 22px rgba(0,0,0,0.16), inset 0 1px 0 rgba(255,255,255,0.12);
        padding: 6px 6px calc(6px + var(--safe-bottom));
        justify-content: space-around;
        align-items: center;
        transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.28s ease;
      }
      .bottom-nav::after {
        content: '';
        position: absolute;
        z-index: 0;
        left: 6px;
        top: 6px;
        bottom: 6px;
        width: calc((100% - 12px) / 3);
        border-radius: 10px;
        background: rgba(105, 178, 160, 0.2);
        pointer-events: none;
        transform: translateX(calc(var(--active-index, 0) * 100%));
        transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1), background 0.28s ease;
      }
      .bottom-nav:active { transform: translateX(-50%) scale(0.98); }
      body.dark-mode .bottom-nav {
        background: rgba(16,19,19,0.64);
        border-color: rgba(255,255,255,0.1);
        box-shadow: 0 8px 22px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.06);
      }
      .bottom-nav a {
        position: relative;
        z-index: 1;
        flex: 1 1 0;
        min-width: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 4px;
        color: rgba(255,255,255,0.8);
        background: transparent;
        border: 0;
        text-decoration: none;
        font-size: 11px;
        font-weight: 700;
        padding: 7px 6px 6px;
        border-radius: 10px;
        transition: background 0.28s ease, color 0.28s ease, transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
      }
      .bottom-nav a:hover,
      .bottom-nav a.active {
        background: transparent;
        border-color: transparent;
        color: #f6fffe;
        box-shadow: none;
        transform: translateY(-1px) scale(1.04);
      }
      .bottom-nav .nav-icon {
        width: 22px;
        height: 22px;
        flex-shrink: 0;
      }
      .bottom-nav a .nav-icon { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
      main { padding-bottom: 100px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
    }

    .glass-btn {
      background: var(--accent);
      border: none;
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
    body.dark-mode .glass-btn {
      background: #123b36;
      color: #f4fffc;
      box-shadow: 0 2px 8px rgba(0,0,0,0.32);
    }

    .hero {
      padding: 120px 22px 80px;
      text-align: center;
      position: relative;
      background: #2f7567;
    }
    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: rgba(255,255,255,0.82);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
    }
    .hero > * { position: relative; z-index: 1; }
    body.dark-mode .hero { background: #173e3a; }
    body.dark-mode .hero::before { background: rgba(10,10,10,0.7); }
    .hero h1 {
      font-family: 'Cormorant Garamond', Georgia, serif;
      font-size: clamp(2.2rem, 6vw, 3.2rem);
      font-weight: 600;
      margin: 0 0 12px;
      letter-spacing: 0.02em;
    }
    .hero .tagline {
      font-size: 1.25rem;
      color: var(--text-secondary);
      max-width: 560px;
      margin: 0 auto 24px;
      line-height: 1.5;
    }
    .hero .cta {
      display: inline-block;
      padding: 14px 32px;
      color: #fff;
      text-decoration: none;
      font-weight: 500;
      font-size: 16px;
      border-radius: 14px;
      transition: all 0.25s;
    }
    .hero .cta.glass-btn:hover {
      background: var(--accent-hover);
      box-shadow: 0 4px 20px rgba(22,138,90,0.35);
    }
    body.dark-mode .hero .cta.glass-btn:hover {
      background: #1b5149;
      box-shadow: 0 4px 16px rgba(0,0,0,0.28);
    }

    section { padding: 60px 0; }
    section#read { background: var(--bg); }
    section#about {
      position: relative;
      background: #e5eeea;
    }
    section#about::before {
      content: '';
      position: absolute;
      inset: 0;
      background: rgba(255,255,255,0.42);
      backdrop-filter: blur(6px);
      -webkit-backdrop-filter: blur(6px);
    }
    section#about .container,
    section#about .section-title,
    section#about .about-section { position: relative; z-index: 1; }
    section#about .section-title p { color: var(--text-secondary); }
    body.dark-mode section#about { background: #111c1a; }
    body.dark-mode section#about::before { background: rgba(10,10,10,0.34); }
    .section-title {
      text-align: center;
      margin-bottom: 40px;
    }
    .section-title h2 {
      font-family: 'Cormorant Garamond', Georgia, serif;
      font-size: clamp(1.75rem, 4vw, 2.25rem);
      font-weight: 600;
      margin: 0 0 8px;
      letter-spacing: 0.02em;
    }
    .section-title p {
      color: var(--text-secondary);
      margin: 0;
      font-size: 15px;
    }

    .product-list {
      display: grid;
      max-width: 1080px;
      margin: 0 auto;
      gap: 24px;
    }
    @media (min-width: 900px) {
      .product-list {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 20px;
      }
      .product-thumb {
        aspect-ratio: 5 / 4;
        padding: 6px 6px 0;
      }
    }
    @media (min-width: 600px) and (max-width: 899px) {
      .product-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }
    @media (max-width: 599px) {
      .product-list { grid-template-columns: repeat(2, 1fr); }
    }
    .product-card {
      display: flex;
      flex-direction: column;
      background: var(--bg-card);
      backdrop-filter: blur(12px) saturate(120%);
      -webkit-backdrop-filter: blur(12px) saturate(120%);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      cursor: pointer;
      transition: transform 0.25s ease, box-shadow 0.25s ease;
      border: 0.5px solid var(--border);
      position: relative;
      isolation: isolate;
    }
    .product-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 28px rgba(22,138,90,0.12);
    }
    body.dark-mode .product-card:hover {
      box-shadow: 0 10px 28px rgba(0,0,0,0.42);
    }
    .product-card:active { transform: scale(0.96); }
    .product-card.animating { animation: card-pop 0.35s ease-out; }
    @keyframes card-pop {
      0% { transform: scale(0.95); opacity: 0.9; }
      100% { transform: scale(1); opacity: 1; }
    }
    .product-thumb {
      width: 100%;
      aspect-ratio: 5/4;
      overflow: hidden;
      background: var(--bg);
      padding: 6px 6px 0;
    }
    .product-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 8px;
      display: block;
    }
    .product-info {
      flex: 1;
      padding: 18px;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .product-card h3 {
      font-size: 16px;
      font-weight: 600;
      margin: 0;
      color: var(--text);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .product-card .teaser {
      font-size: 13px;
      color: var(--text-secondary);
      margin: 0;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .product-card .price {
      font-size: 15px;
      font-weight: 600;
      color: var(--accent);
      margin: 0;
      margin-top: auto;
    }
    .about-section {
      background: rgba(255,255,255,0.6);
      backdrop-filter: saturate(180%) blur(var(--blur));
      -webkit-backdrop-filter: saturate(180%) blur(var(--blur));
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: var(--shadow);
      border: 0.5px solid var(--border);
    }
    body.dark-mode .about-section { background: rgba(26,26,26,0.7); }
    .about-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 48px;
      align-items: start;
    }
    @media (max-width: 768px) {
      .about-grid { grid-template-columns: 1fr; }
    }
    .about-text p { margin: 0 0 16px; color: var(--text-secondary); }
    .link-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
      margin-top: 24px;
      align-items: stretch;
    }
    .link-card {
      background: rgba(255,255,255,0.7);
      border: 1px solid rgba(255,255,255,0.8);
      border-radius: 16px;
      box-shadow: 0 12px 28px rgba(0,0,0,0.08);
      transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
      overflow: hidden;
      height: 100%;
    }
    .link-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 18px 32px rgba(22,138,90,0.12);
      border-color: rgba(22,138,90,0.2);
    }
    .link-card a {
      display: flex;
      align-items: center;
      justify-content: flex-start;
      gap: 14px;
      padding: 18px 14px;
      color: var(--text);
      text-decoration: none;
      font-weight: 600;
      letter-spacing: 0.01em;
      min-height: 86px;
      text-align: left;
    }
    .social-icon {
      width: 44px;
      height: 44px;
      min-width: 44px;
      aspect-ratio: 1;
      border-radius: 12px;
      display: grid;
      place-items: center;
      background: #ffffff;
      border: 1px solid rgba(0,0,0,0.08);
      box-shadow: 0 6px 18px rgba(0,0,0,0.06);
      overflow: hidden;
      color: var(--text);
      flex-shrink: 0;
    }
    body.dark-mode .social-icon {
      background: rgba(255,255,255,0.04);
      border-color: rgba(255,255,255,0.12);
      box-shadow: none;
      color: #f5f5f5;
    }
    .social-icon img {
      width: 100%;
      height: 100%;
      display: block;
      object-fit: cover;
      border-radius: 11px;
    }
    .link-copy {
      display: flex;
      flex-direction: column;
      flex: 1 1 auto;
      min-width: 0;
    }
    .link-card a strong {
      display: block;
      font-size: 15px;
      line-height: 1.2;
    }
    .link-card a span {
      display: block;
      color: var(--text-secondary);
      font-size: 12px;
      font-weight: 500;
      margin-top: 4px;
    }
    body.dark-mode .link-card {
      background: rgba(26,26,26,0.7);
      border-color: rgba(255,255,255,0.08);
    }
    @media (max-width: 900px) {
      .link-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }
    @media (max-width: 640px) {
      .link-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 599px) {
      .product-list { grid-template-columns: 1fr; }
    }
    footer {
      padding: 32px 22px;
      text-align: center;
      color: rgba(255,255,255,0.7);
      font-size: 13px;
      background: #1a1816;
    }
    footer a { color: #8bd7ff; }


    .loading-overlay {
      position: fixed;
      inset: 0;
      z-index: 9999;
      background: var(--bg);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 20px;
      opacity: 1;
      visibility: visible;
      transition: opacity 0.5s ease, visibility 0.5s ease;
    }
    .loading-overlay.hidden {
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transition: opacity 0.25s ease, visibility 0.25s ease;
    }
    .loading-spinner {
      width: 40px;
      height: 40px;
      border: 3px solid var(--border);
      border-top-color: var(--accent);
      border-radius: 50%;
      animation: spin 0.8s linear infinite;
    }
    @keyframes spin { to { transform: rotate(360deg); } }
    .loading-overlay p { color: var(--text-secondary); font-size: 14px; margin: 0; }