:root {
      --ink-900: #17112f;
      --ink-700: #4d4766;
      --ink-500: #7f7897;
      --border: #ebe6f4;
      --surface: #f8f8fc;
      --white: #ffffff;
      --pink: #ec5e9b;
      --pink-soft: #fbe1ec;
      --violet: #7457f6;
      --violet-soft: #8b74ff;
      --soft-bg: #f7f0ff;
      --card-shadow: 0 18px 40px rgba(46, 31, 86, 0.1);
      --radius-xl: 30px;
      --radius-lg: 22px;
    }

    * {
      box-sizing: border-box;
    }

    html,
    body {
      margin: 0;
      min-height: 100%;
      background: var(--surface);
      color: var(--ink-900);
      font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
      letter-spacing: 0.01em;
      line-height: 1.6;
      overflow-x: hidden;
    }

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

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

    .page {
      min-height: 100vh;
      background:
        radial-gradient(1200px 500px at 100% -10%, rgba(139, 116, 255, 0.2), transparent 60%),
        radial-gradient(900px 440px at -10% 0%, rgba(236, 94, 155, 0.2), transparent 58%),
        linear-gradient(180deg, #f6f3fb 0%, #f9f9fd 100%);
      padding-bottom: 40px;
      overflow-x: hidden;
    }

    .hero {
      position: relative;
      overflow: hidden;
      border-bottom-left-radius: 40px;
      border-bottom-right-radius: 40px;
      padding: 18px 16px 52px;
      color: #fff;
      background:
        radial-gradient(800px 360px at 100% 0%, rgba(255, 255, 255, 0.18), transparent 60%),
        linear-gradient(135deg, #f07ab1 0%, #7457f6 100%);
      box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.2);
    }

    .hero::before,
    .hero::after {
      content: "";
      position: absolute;
      border-radius: 22px;
      border: 1px solid rgba(255, 255, 255, 0.32);
      background: rgba(255, 255, 255, 0.16);
      box-shadow: 0 12px 24px rgba(38, 19, 79, 0.14);
      pointer-events: none;
    }

    .hero::before {
      width: 96px;
      height: 132px;
      top: 102px;
      left: 24px;
      transform: rotate(-15deg);
    }

    .hero::after {
      width: 94px;
      height: 128px;
      top: 188px;
      right: 30px;
      transform: rotate(16deg);
    }

    .nav {
      position: relative;
      z-index: 2;
      display: flex;
      align-items: center;
      justify-content: space-between;
      max-width: 1080px;
      margin: 0 auto;
      padding: 8px 8px 0;
    }

    .brand {
      display: flex;
      align-items: baseline;
      gap: 10px;
      font-size: 16px;
      font-weight: 900;
      letter-spacing: 0.02em;
    }

    .brand strong {
      font-size: 19px;
      font-style: italic;
    }

    .brand small {
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.08em;
      color: rgba(255, 255, 255, 0.82);
    }

    .hero-links {
      display: flex;
      align-items: center;
      gap: 16px;
      font-size: 13px;
      font-weight: 700;
      color: rgba(255, 255, 255, 0.94);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 1080px;
      margin: 0 auto;
      padding: 54px 8px 0;
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(280px, 360px);
      gap: 28px;
      align-items: center;
    }

    .hero-copy {
      max-width: 640px;
    }

    .hero h1 {
      margin: 0;
      font-size: clamp(2.9rem, 8vw, 4.5rem);
      line-height: 1.04;
      font-style: italic;
      font-weight: 900;
      letter-spacing: -0.03em;
    }

    .hero .copy-ja {
      margin: 0 0 10px;
      color: rgba(255, 255, 255, 0.9);
      font-size: 13px;
      letter-spacing: 0.16em;
      font-weight: 800;
    }

    .hero p.lead {
      margin: 22px 0 0;
      color: rgba(255, 255, 255, 0.96);
      font-size: 1.04rem;
      text-wrap: balance;
    }

    .hero-badges {
      margin-top: 20px;
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .hero-badges span {
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, 0.38);
      background: rgba(255, 255, 255, 0.12);
      font-size: 11px;
      font-weight: 700;
      color: rgba(255, 255, 255, 0.95);
    }

    .hero-actions {
      margin-top: 22px;
      display: block;
    }

    .release-note {
      display: inline-flex;
      flex-direction: column;
      gap: 4px;
      padding: 14px 16px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.14);
      border: 1px solid rgba(255, 255, 255, 0.28);
      box-shadow: 0 12px 24px rgba(43, 23, 90, 0.12);
      max-width: 320px;
    }

    .release-note strong {
      font-size: 13px;
      letter-spacing: 0.04em;
    }

    .release-note span {
      font-size: 12px;
      color: rgba(255, 255, 255, 0.86);
    }

    .store-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: fit-content;
      margin-top: 8px;
      padding: 9px 14px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.96);
      color: var(--pink);
      font-size: 12px;
      font-weight: 900;
      box-shadow: 0 10px 20px rgba(43, 23, 90, 0.14);
    }

    .hero-shot {
      width: min(100%, 360px);
      margin-left: auto;
      padding: 14px;
      border-radius: 32px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.2);
      box-shadow: 0 18px 36px rgba(41, 20, 88, 0.18);
      backdrop-filter: blur(8px);
    }

    .hero-shot img {
      border-radius: 24px;
      width: 100%;
      box-shadow: 0 18px 36px rgba(43, 23, 90, 0.2);
    }

    .main {
      position: relative;
      z-index: 2;
      max-width: 1080px;
      margin: -26px auto 0;
      background: var(--white);
      border-radius: 34px 34px 0 0;
      padding: 28px 18px 40px;
      box-shadow: 0 24px 42px rgba(27, 22, 28, 0.1);
    }

    .container {
      max-width: 1000px;
      margin: 0 auto;
    }

    .section {
      border-radius: var(--radius-xl);
      border: 1px solid var(--border);
      padding: 22px;
      margin-top: 16px;
      background: #fff;
      box-shadow: 0 8px 20px rgba(32, 20, 57, 0.04);
    }

    .section:first-child {
      margin-top: 0;
    }

    .section h2 {
      margin: 0;
      font-size: 1.42rem;
      letter-spacing: 0.02em;
    }

    .section p.lead {
      margin: 8px 0 0;
      color: var(--ink-500);
      font-size: 14px;
      overflow-wrap: anywhere;
    }

    .summary-grid {
      margin-top: 16px;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 12px;
    }

    .summary-card {
      border-radius: var(--radius-lg);
      padding: 16px;
      background: linear-gradient(180deg, #fff, #faf8fd);
      border: 1px solid #f0ebf6;
    }

    .summary-card strong {
      display: inline-flex;
      padding: 7px 11px;
      border-radius: 999px;
      background: var(--pink-soft);
      color: #c1477f;
      font-size: 11px;
      letter-spacing: 0.04em;
    }

    .summary-card p {
      margin: 12px 0 0;
      color: var(--ink-700);
      font-size: 14px;
      overflow-wrap: anywhere;
    }

    .shots {
      margin-top: 18px;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 14px;
    }

    .shot-card {
      border-radius: 26px;
      border: 1px solid var(--border);
      background: linear-gradient(180deg, #fff, #faf8fd);
      overflow: hidden;
      box-shadow: var(--card-shadow);
      min-width: 0;
    }

    .shot-card img {
      width: 100%;
      aspect-ratio: 9 / 18;
      object-fit: cover;
      background: #f5f1fb;
    }

    .shot-copy {
      padding: 16px;
    }

    .shot-copy strong {
      display: block;
      font-size: 1.02rem;
      margin-bottom: 6px;
    }

    .shot-copy p {
      margin: 0;
      color: var(--ink-500);
      font-size: 13px;
      overflow-wrap: anywhere;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 12px;
      margin-top: 16px;
    }

    .feature-card {
      border: 1px solid #efebf5;
      border-radius: var(--radius-lg);
      padding: 16px;
      min-height: 152px;
      background: linear-gradient(180deg, #fff, #faf8fd);
    }

    .feature-card h3 {
      margin: 0 0 8px;
      font-size: 1.05rem;
      overflow-wrap: anywhere;
    }

    .feature-card p {
      margin: 0;
      color: var(--ink-500);
      font-size: 13px;
      overflow-wrap: anywhere;
    }

    .steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
      gap: 12px;
      margin-top: 16px;
    }

    .step {
      border: 1px solid #efebf5;
      border-radius: var(--radius-lg);
      background: #fff;
      padding: 16px;
    }

    .step::before {
      content: "";
      width: 30px;
      height: 30px;
      border-radius: 50%;
      background: linear-gradient(120deg, var(--pink), var(--violet-soft));
      color: white;
      font-size: 13px;
      font-weight: 900;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 10px;
    }

    .step:nth-child(1)::before { content: "1"; }
    .step:nth-child(2)::before { content: "2"; }
    .step:nth-child(3)::before { content: "3"; }

    .step h3 {
      margin: 0 0 8px;
      font-size: 15px;
    }

    .step p {
      margin: 0;
      color: var(--ink-500);
      font-size: 13px;
      overflow-wrap: anywhere;
    }

    .plans,
    .notify-grid,
    .links {
      display: grid;
      gap: 12px;
      margin-top: 16px;
    }

    .plans {
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }

    .notify-grid {
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }

    .links {
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }

    .plan,
    .notify-card {
      border-radius: var(--radius-lg);
      border: 1px solid #efe6f5;
      padding: 18px;
      background: #fff;
    }

    .plan.primary {
      border-color: #ead8fb;
      background: linear-gradient(180deg, #fff, var(--soft-bg));
      box-shadow: 0 0 0 1px #ead8fb;
    }

    .plan h3,
    .notify-card h3 {
      margin: 0;
      font-size: 1.04rem;
    }

    .plan .tag,
    .notify-card .tag {
      display: inline-flex;
      align-items: center;
      margin-top: 10px;
      padding: 5px 10px;
      border-radius: 999px;
      background: #f7f2fb;
      color: var(--ink-700);
      font-size: 11px;
      font-weight: 700;
    }

    .store-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-top: 10px;
      padding: 10px 16px;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--pink), var(--violet));
      color: #fff;
      font-size: 13px;
      font-weight: 900;
      box-shadow: 0 12px 24px rgba(116, 87, 246, 0.18);
    }

    .plan ul,
    .notify-card ul {
      margin: 12px 0 0;
      padding-left: 18px;
      color: var(--ink-700);
      font-size: 14px;
    }

    .plan p,
    .notify-card p {
      margin: 12px 0 0;
      color: var(--ink-500);
      font-size: 13px;
      overflow-wrap: anywhere;
    }

    .links a {
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 14px 16px;
      background: #fff;
      font-weight: 700;
      color: var(--ink-900);
      font-size: 14px;
    }

    .contact-box {
      margin-top: 16px;
      border-radius: 22px;
      border: 1px solid #eadcf8;
      background: linear-gradient(120deg, #fbf6ff, #fff);
      padding: 18px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }

    .contact-box p {
      margin: 0;
      color: var(--ink-900);
      font-weight: 700;
    }

    footer {
      max-width: 1000px;
      margin: 20px auto 0;
      text-align: center;
      color: #9ca3af;
      font-size: 12px;
      padding: 10px 6px;
    }

    @media (max-width: 860px) {
      .hero-links {
        display: none;
      }

      .hero-content {
        grid-template-columns: 1fr;
        padding-top: 42px;
      }

      .hero-shot {
        margin: 0;
      }

      .release-note {
        max-width: 100%;
      }

      .shots-scroll {
        margin-top: 18px;
        width: 100%;
        max-width: 100%;
        overflow-x: auto;
        overflow-y: hidden;
        padding-bottom: 6px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
      }

      .shots {
        margin-top: 0;
        display: grid;
        grid-auto-flow: column;
        grid-auto-columns: minmax(240px, 280px);
        grid-template-columns: none;
        width: max-content;
        max-width: none;
      }
    }

    @media (max-width: 520px) {
      .hero {
        padding: 16px 14px 38px;
      }

      .hero-content {
        padding: 34px 4px 0;
        gap: 18px;
      }

      .hero h1 {
        font-size: clamp(2.5rem, 14vw, 3.5rem);
      }

      .hero p.lead {
        font-size: 0.96rem;
        line-height: 1.7;
        overflow-wrap: anywhere;
      }

      .hero-badges {
        gap: 8px;
      }

      .hero-badges span {
        font-size: 10px;
        padding: 8px 10px;
      }

      .main {
        margin-top: -18px;
        padding: 20px 12px 32px;
      }

      .section {
        padding: 18px;
      }

      .section h2 {
        font-size: 1.28rem;
      }

      .summary-grid,
      .feature-grid,
      .steps,
      .plans,
      .notify-grid,
      .links {
        gap: 10px;
      }

      .summary-card,
      .feature-card,
      .step,
      .plan,
      .notify-card {
        padding: 14px;
      }
    }

    @media (min-width: 860px) {
      .main {
        padding: 34px 30px 42px;
      }

      .section {
        padding: 24px;
      }
    }

    .hero h1 .hero-subtitle { display: block; margin-top: 14px; font-size: 1rem; line-height: 1.7; font-style: normal; letter-spacing: 0.01em; }
    .section .answer, .section .intro { color: var(--ink-700); font-size: 14px; line-height: 1.9; overflow-wrap: anywhere; }
    .section .links { margin-top: 16px; }
    .section a:focus-visible, .hero a:focus-visible, footer a:focus-visible { outline: 3px solid var(--ink-900); outline-offset: 4px; }
    .faq-item + .faq-item { border-top: 1px solid var(--border); margin-top: 18px; padding-top: 18px; }
    .faq-item h3 { margin: 0; font-size: 1rem; }
    .faq-item p { margin: 8px 0 0; }
    .breadcrumb { color: var(--ink-700); font-size: 13px; margin-bottom: 18px; }
    .breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }
    .breadcrumb li + li::before { content: "›"; margin-right: 8px; }
    .breadcrumb a { text-decoration: underline; text-underline-offset: 3px; }
    .detail-hero .hero-content { display: block; padding-top: 38px; }
    .detail-hero .hero-copy { max-width: 820px; }
    .detail-hero h1 { font-size: clamp(1.8rem, 5vw, 3rem); line-height: 1.4; font-style: normal; letter-spacing: 0; overflow-wrap: anywhere; }
    .detail-hero .store-link { margin-top: 20px; }
    .detail-shot { display: grid; grid-template-columns: minmax(0, 1fr) minmax(180px, 260px); gap: 24px; align-items: start; }
    .detail-shot .shot-card img { aspect-ratio: auto; height: auto; object-fit: contain; display: block; }
    .footer-links { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; color: var(--ink-700); }
    @media (max-width: 520px) { .detail-shot { grid-template-columns: 1fr; } .detail-shot .shot-card { width: min(100%, 260px); margin: 0 auto; } .brand { flex-wrap: wrap; gap: 4px 10px; } }
    .hero-shot img, .shot-card img { height: auto; }