:root {
      --red: #e21d28;
      --rose: #f07a84;
      --blush: #fff1f2;
      --cream: #fffaf8;
      --ink: #1c1416;
      --soft: #6b565a;
      --line: #f0dfe1;
      --white: #ffffff;
      --ease: cubic-bezier(0.22, 1, 0.36, 1);
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: "Noto Sans SC", "PingFang SC", sans-serif;
      color: var(--ink);
      background: var(--cream);
      line-height: 1.55;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button { font: inherit; border: none; cursor: pointer; background: none; }

    .nav {
      position: fixed;
      inset: 0 0 auto;
      z-index: 50;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 40px;
      background: rgba(255, 250, 248, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid transparent;
      transition: border-color 0.3s var(--ease);
    }
    .nav.is-scrolled { border-bottom-color: var(--line); }
    .nav__logo { height: 26px; width: auto; }
    .nav__links {
      display: flex;
      align-items: center;
      gap: 28px;
      font-size: 14px;
      font-weight: 500;
      color: var(--soft);
    }
    .nav__links a:hover { color: var(--red); }
    .nav__cta {
      display: inline-flex;
      align-items: center;
      height: 36px;
      padding: 0 18px;
      background: var(--red);
      color: var(--white);
      border-radius: 999px;
      font-size: 13px;
      font-weight: 500;
      box-shadow: 0 8px 20px rgba(226, 29, 40, 0.22);
    }

    .hero {
      position: relative;
      min-height: 100vh;
      min-height: 100dvh;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      overflow: hidden;
      background:
        radial-gradient(ellipse 80% 60% at 12% 18%, rgba(240, 122, 132, 0.2), transparent 55%),
        radial-gradient(ellipse 55% 45% at 88% 75%, rgba(226, 29, 40, 0.08), transparent 50%),
        linear-gradient(165deg, #fffaf8 0%, #fff1f2 50%, #f8e8ea 100%);
    }
    .hero__copy {
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 120px 36px 72px 56px;
      max-width: 580px;
      position: relative;
      z-index: 2;
    }
    .hero__eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      font-weight: 500;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: var(--rose);
      margin-bottom: 18px;
      animation: rise 0.85s var(--ease) both;
    }
    .hero__eyebrow::before {
      content: "";
      width: 18px;
      height: 1px;
      background: var(--rose);
    }
    .hero__brand {
      font-family: "Oswald", sans-serif;
      font-size: clamp(52px, 7vw, 88px);
      font-weight: 700;
      letter-spacing: 0.05em;
      line-height: 0.95;
      margin-bottom: 18px;
      animation: rise 0.9s var(--ease) 0.04s both;
    }
    .hero__brand span { color: var(--red); }
    .hero__slogan {
      font-family: "Instrument Serif", "Noto Sans SC", serif;
      font-size: clamp(30px, 3.8vw, 44px);
      font-weight: 400;
      font-style: italic;
      line-height: 1.25;
      margin-bottom: 16px;
      animation: rise 0.9s var(--ease) 0.08s both;
    }
    .hero__sub {
      font-size: 15px;
      color: var(--soft);
      max-width: 28em;
      margin-bottom: 28px;
      animation: rise 0.9s var(--ease) 0.12s both;
    }
    .hero__pills {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 32px;
      animation: rise 0.9s var(--ease) 0.14s both;
    }
    .pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 14px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.7);
      border: 1px solid rgba(226, 29, 40, 0.16);
      font-size: 13px;
      font-weight: 500;
      color: var(--ink);
    }
    .pill i {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--red);
    }

    .hero__side {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 28px;
      padding: 110px 40px 56px;
      position: relative;
    }
    .hero__side::before {
      content: "";
      position: absolute;
      width: min(380px, 78%);
      aspect-ratio: 1;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(255, 255, 255, 0.95) 0%, rgba(240, 122, 132, 0.22) 48%, transparent 72%);
      animation: glow 6s ease-in-out infinite alternate;
    }
    .hero__visual {
      position: relative;
      z-index: 1;
      width: min(300px, 70%);
    }
    .hero__visual img {
      width: 100%;
      border-radius: 24px;
      box-shadow: 0 24px 50px rgba(80, 30, 40, 0.14);
      animation: float-in 1.05s var(--ease) 0.1s both;
    }
    .qr-card {
      position: relative;
      z-index: 2;
      display: flex;
      align-items: center;
      gap: 18px;
      padding: 16px 20px 16px 16px;
      background: rgba(255, 255, 255, 0.92);
      border: 1px solid rgba(240, 223, 225, 0.95);
      border-radius: 22px;
      box-shadow: 0 16px 40px rgba(80, 30, 40, 0.1);
      animation: float-in 1.05s var(--ease) 0.18s both;
      backdrop-filter: blur(8px);
    }
    .qr-card__code {
      width: 118px;
      height: 118px;
      border-radius: 50%;
      background: #fff;
      flex-shrink: 0;
    }
    .qr-card__code img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }
    .qr-card__copy strong {
      display: block;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .qr-card__copy p {
      font-size: 13px;
      color: var(--soft);
      line-height: 1.5;
    }

    @keyframes rise {
      from { opacity: 0; transform: translateY(20px); }
      to { opacity: 1; transform: translateY(0); }
    }
    @keyframes float-in {
      from { opacity: 0; transform: translateY(28px) scale(0.97); }
      to { opacity: 1; transform: translateY(0) scale(1); }
    }
    @keyframes glow {
      from { transform: scale(1); opacity: 0.85; }
      to { transform: scale(1.06); opacity: 1; }
    }

    .section { padding: 88px 56px; }
    .section--soft { background: var(--blush); }
    .section__head { max-width: 620px; margin-bottom: 44px; }
    .section__eyebrow {
      font-size: 12px;
      font-weight: 500;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--rose);
      margin-bottom: 12px;
    }
    .section__title {
      font-size: clamp(26px, 3.2vw, 36px);
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 12px;
    }
    .section__title em {
      font-family: inherit;
      font-style: normal;
      font-weight: inherit;
      color: var(--red);
    }
    .section__desc {
      font-size: 15px;
      color: var(--soft);
      max-width: 36em;
    }

    .dual {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .dual__card {
      padding: 36px 32px;
      border-radius: 24px;
      background: var(--white);
      border: 1px solid var(--line);
      box-shadow: 0 12px 32px rgba(80, 30, 40, 0.04);
      position: relative;
      overflow: hidden;
      transition: transform 0.35s var(--ease);
    }
    .dual__card:hover { transform: translateY(-5px); }
    .dual__card::after {
      content: "";
      position: absolute;
      right: -30px;
      top: -30px;
      width: 140px;
      height: 140px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(240, 122, 132, 0.18), transparent 70%);
    }
    .dual__card--accent {
      background: linear-gradient(160deg, #fff 0%, #fff1f2 100%);
      border-color: rgba(226, 29, 40, 0.12);
    }
    .dual__num {
      font-family: "Instrument Serif", serif;
      font-style: italic;
      font-size: 40px;
      color: var(--rose);
      line-height: 1;
      margin-bottom: 18px;
    }
    .dual__title {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 12px;
      position: relative;
      z-index: 1;
    }
    .dual__text {
      font-size: 14px;
      color: var(--soft);
      line-height: 1.75;
      position: relative;
      z-index: 1;
    }
    .dual__list {
      list-style: none;
      margin-top: 18px;
      position: relative;
      z-index: 1;
    }
    .dual__list li {
      font-size: 14px;
      color: var(--ink);
      padding: 8px 0;
      border-top: 1px solid rgba(240, 223, 225, 0.9);
      display: flex;
      gap: 10px;
      align-items: center;
    }
    .dual__list li::before {
      content: "✦";
      color: var(--red);
      font-size: 11px;
    }

    .moods {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }
    .mood {
      padding: 28px 24px;
      background: var(--white);
      border-radius: 20px;
      border: 1px solid var(--line);
    }
    .mood__tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 500;
      color: var(--red);
      background: var(--blush);
      padding: 4px 10px;
      border-radius: 999px;
      margin-bottom: 14px;
    }
    .mood__title { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
    .mood__text { font-size: 13px; color: var(--soft); line-height: 1.7; }

    .cta {
      margin: 0 56px 72px;
      padding: 56px 48px;
      border-radius: 28px;
      color: var(--white);
      background:
        radial-gradient(ellipse 70% 80% at 20% 0%, rgba(240, 122, 132, 0.35), transparent 55%),
        linear-gradient(160deg, #2a1418 0%, #1c1416 100%);
      display: grid;
      grid-template-columns: 1.2fr auto;
      gap: 36px;
      align-items: center;
    }
    .cta__brand {
      font-family: "Oswald", sans-serif;
      font-size: clamp(36px, 5vw, 56px);
      letter-spacing: 0.08em;
      margin-bottom: 10px;
    }
    .cta__brand span { color: var(--rose); }
    .cta__slogan {
      font-family: "Instrument Serif", serif;
      font-style: italic;
      font-size: clamp(22px, 2.8vw, 30px);
      margin-bottom: 10px;
    }
    .cta__hint {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.58);
      max-width: 28em;
    }
    .cta__qr {
      background: var(--white);
      border-radius: 24px;
      padding: 18px;
      text-align: center;
      color: var(--ink);
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
    }
    .cta__qr img {
      width: 168px;
      height: 168px;
      margin: 0 auto 10px;
      object-fit: contain;
    }
    .cta__qr p {
      font-size: 13px;
      font-weight: 500;
      color: var(--soft);
    }

    .footer {
      padding: 24px 56px 40px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      font-size: 12px;
      color: var(--soft);
    }
    .footer a:hover { color: var(--red); }

    .reveal {
      opacity: 0;
      transform: translateY(22px);
      transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
    }
    .reveal.is-in {
      opacity: 1;
      transform: translateY(0);
    }

    @media (max-width: 960px) {
      .nav { padding: 14px 20px; }
      .nav__links a:not(.nav__cta) { display: none; }
      .hero { grid-template-columns: 1fr; min-height: auto; }
      .hero__copy { padding: 110px 24px 20px; max-width: none; }
      .hero__side { padding: 12px 24px 40px; }
      .hero__visual { display: none; }
      .qr-card { width: 100%; max-width: 360px; }
      .section { padding: 64px 24px; }
      .dual, .moods { grid-template-columns: 1fr; }
      .cta {
        margin: 0 24px 48px;
        padding: 40px 24px;
        grid-template-columns: 1fr;
        text-align: center;
      }
      .cta__hint { margin: 0 auto; }
      .cta__qr { justify-self: center; }
      .footer { flex-direction: column; padding: 16px 24px 32px; }
    }