:root {
      color-scheme: light;
      --bg: oklch(0.985 0 0);
      --panel: oklch(0.965 0.004 260);
      --panel-strong: oklch(0.92 0.006 260);
      --ink: oklch(0.16 0.01 260);
      --text: oklch(0.28 0.012 260);
      --muted: oklch(0.44 0.012 260);
      --line: oklch(0.84 0.008 260);
      --accent: oklch(0.19 0.012 260);
      --accent-2: oklch(0.48 0.08 248);
      --max: 1180px;
      --ease: cubic-bezier(0.22, 1, 0.36, 1);
      font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Yu Gothic UI", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background: var(--bg);
      color: var(--text);
      line-height: 1.75;
      overflow-x: clip;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

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

    a {
      color: inherit;
      text-decoration: none;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      border-bottom: 1px solid color-mix(in oklch, var(--line), transparent 50%);
      background: color-mix(in oklch, var(--bg), transparent 18%);
      backdrop-filter: blur(18px);
    }

    .nav {
      width: min(var(--max), calc(100% - 40px));
      min-height: 64px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      font-weight: 700;
      color: var(--ink);
      letter-spacing: 0;
    }

    .mark {
      width: 28px;
      height: 28px;
      border-radius: 8px;
      display: grid;
      place-items: center;
      background: var(--ink);
      color: white;
      font-size: 17px;
      line-height: 1;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 22px;
      flex-shrink: 0;
      margin-left: auto;
      color: var(--muted);
      font-size: 14px;
    }

    .nav-links a:hover {
      color: var(--ink);
    }

    .nav-download {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      border-radius: 999px;
      background: var(--ink);
      color: white;
      font-weight: 700;
      padding: 0 18px;
      line-height: 1;
      transition: transform 180ms var(--ease), background 180ms var(--ease);
    }

    .nav-download:hover {
      transform: translateY(-1px);
      background: oklch(0.24 0.014 260);
    }

    .lang-switch {
      display: inline-flex;
      align-items: center;
      gap: 2px;
      padding: 3px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: color-mix(in oklch, var(--bg), white 42%);
    }

    .lang-button {
      min-height: 32px;
      padding: 0 10px;
      border: 0;
      border-radius: 999px;
      background: transparent;
      color: var(--muted);
      font: inherit;
      font-size: 13px;
      font-weight: 700;
      line-height: 1;
      cursor: pointer;
    }

    .lang-button.is-active {
      background: var(--ink);
      color: white;
    }

    .hero {
      width: min(var(--max), calc(100% - 40px));
      margin: 0 auto;
      min-height: calc(100svh - 64px);
      padding: clamp(56px, 8vw, 108px) 0 clamp(40px, 6vw, 78px);
      display: grid;
      grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.85fr);
      align-items: center;
      gap: clamp(36px, 6vw, 88px);
    }

    .hero-copy {
      max-width: 620px;
      min-width: 0;
    }

    .product-label {
      margin: 0 0 18px;
      color: var(--muted);
      font-size: 15px;
      font-weight: 700;
    }

    h1,
    h2,
    h3 {
      margin: 0;
      color: var(--ink);
      line-height: 1.08;
      letter-spacing: -0.025em;
      text-wrap: balance;
    }

    h1 {
      font-size: clamp(44px, 6vw, 78px);
      max-width: 760px;
    }

    h1 .line {
      display: block;
    }

    h2 {
      font-size: clamp(34px, 4.6vw, 64px);
    }

    h3 {
      font-size: clamp(22px, 2vw, 30px);
      letter-spacing: -0.012em;
    }

    .lead {
      max-width: 62ch;
      margin: 24px 0 0;
      color: var(--text);
      font-size: clamp(18px, 2vw, 22px);
      line-height: 1.65;
      overflow-wrap: anywhere;
      text-wrap: pretty;
    }

    .hero-actions,
    .store-badges {
      margin-top: 34px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
    }

    #download {
      scroll-margin-top: 104px;
    }

    .store-badges {
      gap: 12px;
    }

    .hero-actions .store-badges {
      margin-top: 0;
    }

    .cta .store-badges {
      justify-content: center;
    }

    .store-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      min-width: 168px;
      min-height: 48px;
      padding: 7px 18px 8px;
      border-radius: 8px;
      background: #0b0b0f;
      color: white;
      line-height: 1.05;
      transition: transform 180ms var(--ease), opacity 180ms var(--ease);
    }

    .store-badge:hover {
      opacity: 0.86;
      transform: translateY(-1px);
    }

    .store-badge-kicker {
      font-size: 10px;
      font-weight: 600;
    }

    .store-badge-name {
      margin-top: 3px;
      font-size: 20px;
      font-weight: 800;
    }

    .text-link {
      color: var(--ink);
      font-weight: 700;
      padding: 12px 4px;
    }

    .hero-note {
      margin-top: 18px;
      color: var(--muted);
      font-size: 14px;
    }

    .phone-stage {
      position: relative;
      display: grid;
      place-items: center;
      min-height: 560px;
    }

    .phone-stage::before {
      content: "";
      position: absolute;
      width: min(42vw, 430px);
      aspect-ratio: 1;
      border-radius: 50%;
      background: color-mix(in oklch, var(--panel-strong), transparent 22%);
      filter: blur(4px);
    }

    .phone {
      position: relative;
      width: min(330px, 72vw);
      border-radius: 34px;
      overflow: hidden;
      background: #111;
      box-shadow: 0 18px 44px color-mix(in oklch, var(--ink), transparent 84%);
      transform: rotate(2deg);
      animation: enter-phone 900ms var(--ease) both;
    }

    .phone img {
      width: 100%;
      height: auto;
    }

    .section {
      width: min(var(--max), calc(100% - 40px));
      margin: 0 auto;
      padding: clamp(76px, 10vw, 136px) 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.75fr);
      align-items: end;
      gap: 34px;
      margin-bottom: clamp(34px, 5vw, 64px);
    }

    .section-head p {
      margin: 0;
      max-width: 58ch;
      color: var(--muted);
      font-size: 18px;
      text-wrap: pretty;
    }

    .faq .section-head {
      grid-template-columns: 1fr;
      margin-bottom: 34px;
    }

    .faq-list {
      display: grid;
      gap: 12px;
      max-width: 820px;
    }

    .faq-list details {
      border: 1px solid var(--line);
      border-radius: 14px;
      background: var(--bg);
    }

    .faq-list summary {
      padding: 20px 24px;
      color: var(--ink);
      cursor: pointer;
      font-size: 18px;
      font-weight: 700;
      list-style-position: inside;
    }

    .faq-list p {
      max-width: 70ch;
      margin: 0;
      padding: 0 24px 22px;
      color: var(--muted);
    }

    .steps {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 1px;
      background: var(--line);
      border: 1px solid var(--line);
      border-radius: 16px;
      overflow: hidden;
    }

    .step {
      background: var(--bg);
      padding: clamp(24px, 3vw, 38px);
    }

    .step span {
      display: inline-grid;
      place-items: center;
      width: 32px;
      height: 32px;
      margin-bottom: 28px;
      border-radius: 50%;
      background: var(--ink);
      color: white;
      font-size: 14px;
      font-weight: 700;
    }

    .step p {
      margin: 14px 0 0;
      color: var(--muted);
      line-height: 1.7;
    }

    .showcase {
      background: var(--panel);
      border-block: 1px solid var(--line);
    }

    .showcase-inner {
      width: min(var(--max), calc(100% - 40px));
      margin: 0 auto;
      padding: clamp(76px, 10vw, 128px) 0;
    }

    .feature-row {
      display: grid;
      grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1fr);
      align-items: center;
      gap: clamp(34px, 7vw, 88px);
      padding: clamp(36px, 6vw, 76px) 0;
      border-top: 1px solid var(--line);
    }

    .feature-row:first-of-type {
      border-top: 0;
    }

    .feature-copy p {
      max-width: 56ch;
      margin: 18px 0 0;
      color: var(--muted);
      font-size: 18px;
    }

    .feature-copy {
      min-width: 0;
    }

    .screen-strip {
      display: flex;
      gap: 18px;
      overflow: hidden;
      align-items: center;
      justify-content: center;
      padding: 4px;
    }

    .screen-shot {
      width: min(220px, 34vw);
      flex: 0 0 auto;
      border-radius: 24px;
      overflow: hidden;
      background: #111;
      box-shadow: 0 10px 28px color-mix(in oklch, var(--ink), transparent 88%);
    }

    .screen-shot.large {
      width: min(270px, 42vw);
    }

    .widget-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .widget-grid .screen-shot {
      width: 100%;
    }

    .pro {
      display: grid;
      grid-template-columns: minmax(0, 0.9fr) minmax(270px, 0.7fr);
      gap: clamp(36px, 7vw, 86px);
      align-items: center;
    }

    .pro-list {
      margin: 28px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 14px;
      color: var(--text);
      font-size: 18px;
    }

    .pro-list li {
      display: flex;
      gap: 12px;
      align-items: baseline;
    }

    .pro-list li::before {
      content: "";
      width: 7px;
      height: 7px;
      flex: 0 0 7px;
      border-radius: 50%;
      background: var(--accent-2);
      transform: translateY(-2px);
    }

    .cta {
      width: min(var(--max), calc(100% - 40px));
      margin: 0 auto;
      padding: clamp(80px, 11vw, 150px) 0;
      text-align: center;
    }

    .cta p {
      max-width: 62ch;
      margin: 22px auto 32px;
      color: var(--muted);
      font-size: 19px;
    }

    .footer {
      width: min(var(--max), calc(100% - 40px));
      margin: 0 auto;
      padding: 28px 0 46px;
      display: flex;
      justify-content: space-between;
      gap: 20px;
      border-top: 1px solid var(--line);
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .footer a {
      color: var(--ink);
      font-weight: 700;
    }

    @keyframes enter-phone {
      from {
        opacity: 0;
        transform: translateY(24px) rotate(0deg);
      }
      to {
        opacity: 1;
        transform: translateY(0) rotate(2deg);
      }
    }

    @media (max-width: 880px) {
      .nav-links a:not(.nav-download) {
        display: none;
      }

      .hero,
      .section-head,
      .feature-row,
      .pro {
        grid-template-columns: 1fr;
      }

      .hero {
        min-height: auto;
        padding-top: 46px;
      }

      .phone-stage {
        min-height: auto;
      }

      .steps,
      .widget-grid {
        grid-template-columns: 1fr;
      }

      .feature-row:nth-child(3) .feature-copy {
        order: -1;
      }

      .screen-strip {
        justify-content: flex-start;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding-bottom: 14px;
      }

      .screen-shot {
        width: min(250px, 72vw);
        scroll-snap-align: center;
      }

      .screen-shot.large {
        width: min(280px, 76vw);
      }

      .footer {
        flex-direction: column;
      }
    }

    @media (max-width: 560px) {
      .nav-links {
        gap: 8px;
      }

      .nav {
        width: min(calc(100% - 28px), var(--max));
      }

      .brand span:last-child {
        display: none;
      }

      .hero,
      .section,
      .showcase-inner,
      .cta,
      .footer {
        width: min(calc(100% - 28px), var(--max));
      }

      h1 {
        font-size: clamp(38px, 10.8vw, 44px);
        max-width: min(100%, 340px);
      }

      .lead {
        font-size: 18px;
        max-width: min(100%, 340px);
      }

      .hero-copy {
        max-width: min(100%, 340px);
      }

      .hero-note {
        max-width: min(100%, 340px);
      }

      .store-badge,
      .text-link {
        width: 100%;
      }

      .text-link {
        text-align: center;
      }

      .store-badge {
        max-width: min(100%, 220px);
      }

      .nav-download {
        display: none;
      }

      .lang-switch {
        position: fixed;
        top: 13px;
        right: 14px;
        transform: translateX(-96px);
        padding: 2px;
      }

      .lang-button {
        min-height: 34px;
        padding: 0 14px;
        font-size: 13px;
      }

      .phone {
        width: min(300px, 86vw);
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        scroll-behavior: auto !important;
        animation-duration: 1ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 1ms !important;
      }
    }