:root {
      --bg: #f3f7f4;
      --surface: #ffffff;
      --ink: #13251b;
      --muted: #546c5e;
      --line: #c7d8cd;
      --accent: #24664b;
      --accent-dark: #194b37;
      --tint: #e2f0e8;
      --green: #e9f8ef;
      --shadow: 0 18px 50px rgba(17, 24, 32, .08);
      --radius: 24px;
      --max: 1160px;
    }
    * { box-sizing: border-box; }
    :focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
    .flow :focus-visible, .integration :focus-visible, .cta :focus-visible, footer :focus-visible { outline-color: var(--tint); }
    .brand .mark { color: var(--accent); }
    .header-cta { min-height: 44px; padding: 0 20px; }
    .security { background: var(--tint); }
    .integration { color: white; background: var(--accent); }
    .flow .eyebrow, .integration .eyebrow, .cta .eyebrow, .integration .lead { color: var(--tint); }
    .problem .cards, .price-card { text-align: left; }
    .cards--dark .card { color: white; border-color: rgb(255 255 255 / 16%); background: rgb(255 255 255 / 8%); }
    .cards--dark .num { color: white; background: rgb(255 255 255 / 14%); }
    .integration-diagram { display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 42px; }
    .integration-diagram > span { flex: 1; padding: 24px 16px; border: 1px solid rgb(255 255 255 / 30%); border-radius: 16px; text-align: center; font-weight: 700; }
    .integration-diagram small { display: block; margin-top: 8px; color: var(--tint); font-weight: 400; }
    .visual-caption { position: relative; z-index: 1; margin: 16px 0 0; color: var(--tint); text-align: center; font-size: .8rem; }
    .sale-type { display: block; margin-bottom: 6px; color: var(--accent); font-size: .6rem; font-weight: 800; letter-spacing: .05em; }
    .ui-card strong { display: block; }
    .access-label { padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--tint); color: var(--accent-dark); font-size: .8rem; text-align: center; }
    .connection-label { padding: 16px 0; color: var(--accent); font-size: .8rem; font-weight: 700; text-align: center; }
    .plan-preview { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .plan-preview span { padding: 16px 8px; border-radius: 10px; background: var(--tint); color: var(--accent-dark); text-align: center; font-weight: 700; }
    .text-link { color: var(--accent); text-decoration: underline; text-underline-offset: .3em; }
    .cta .buttons { justify-content: center; }
    @media (max-width: 600px) {
      .hero-title-line { white-space: normal; }
      .hero-grid { gap: 32px; }
      .integration-diagram { flex-direction: column; gap: 12px; }
      .integration-diagram > span { width: 100%; }
      .integration-diagram > b { transform: rotate(90deg); }
      .brand { font-size: .95rem; }
      .visual { padding: 20px; }
    }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--bg);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
      line-height: 1.8;
      letter-spacing: .02em;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; }
    h1, h2, h3, p { margin-top: 0; }
    h1 { margin-bottom: 28px; font-size: clamp(2.5rem, 6vw, 5.6rem); line-height: 1.07; letter-spacing: -.04em; }
    h2 { margin-bottom: 22px; font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.2; letter-spacing: -.035em; }
    h3 { margin-bottom: 10px; font-size: 1.25rem; line-height: 1.45; }
    section { padding: 100px 0; }
    .wrap { width: min(calc(100% - 40px), var(--max)); margin: auto; }
    .center { text-align: center; }
    .center .lead { margin-right: auto; margin-left: auto; }
    .lead { max-width: 760px; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.35rem); }
    .small, .price-note { color: var(--muted); font-size: .9rem; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: .55em;
      color: var(--accent);
      font-size: .78rem;
      font-weight: 700;
      letter-spacing: .14em;
      text-transform: uppercase;
    }
    .eyebrow::before { width: 28px; height: 2px; background: currentColor; content: ""; }
    .skip-link {
      position: fixed;
      top: 12px;
      left: 12px;
      z-index: 50;
      padding: 10px 18px;
      transform: translateY(calc(-100% - 24px));
      border-radius: 8px;
      color: white;
      background: var(--accent);
      transition: transform .12s ease;
    }
    .skip-link:focus { transform: translateY(0); }
    header {
      position: sticky;
      top: 0;
      z-index: 20;
      border-bottom: 1px solid rgba(199, 216, 205, .9);
      background: rgba(243, 247, 244, .82);
      backdrop-filter: blur(16px);
    }
    nav { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
    .brand, .footer-brand { display: flex; align-items: center; gap: 12px; font-weight: 900; }
    .mark { display: block; flex: 0 0 auto; width: 30px; height: 30px; object-fit: contain; }
    .navlinks { display: flex; gap: 22px; color: #3c5848; font-size: .92rem; }
    .buttons { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 58px;
      padding: 0 28px;
      border: 1px solid transparent;
      border-radius: 999px;
      font-weight: 800;
      transition: transform .2s ease, background .2s ease, border-color .2s ease;
    }
    .btn.primary { color: white; background: var(--accent); box-shadow: 0 10px 25px rgba(36, 102, 75, .2); }
    .btn.primary:hover { transform: translateY(-2px); background: var(--accent-dark); }
    .btn.secondary { border-color: var(--line); background: white; }
    .btn.secondary:hover { transform: translateY(-2px); border-color: #678473; }
    .hero {
      overflow: hidden;
      padding: 92px 0 70px;
      background: radial-gradient(circle at 86% 10%, rgba(36, 102, 75, .14), transparent 34%), linear-gradient(180deg, #fff 0%, #f3f7f4 100%);
    }
    .hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 56px; }
    .hero-title { margin-bottom: 12px; font-size: clamp(3.6rem, 5vw, 4.4rem); letter-spacing: -.055em; }
    .hero-title-line { display: block; white-space: nowrap; }
    .hero-alternative { margin-bottom: 24px; color: var(--accent); font-size: clamp(1.1rem, 1.8vw, 1.45rem); font-weight: 800; letter-spacing: .01em; }
    .hero-offer { display: flex; flex-wrap: wrap; align-items: end; gap: 16px; margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); }
    .hero-price { font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; line-height: 1; letter-spacing: -.035em; }
    .hero-license { color: var(--accent); font-weight: 800; }
    .hero-card { position: relative; overflow: hidden; min-height: 500px; padding: 38px; border-radius: 32px; color: white; background: var(--accent); box-shadow: 0 30px 80px rgba(36, 102, 75, .26); }
    .hero-card::before, .hero-card::after { position: absolute; border-radius: 50%; background: rgba(255, 255, 255, .08); content: ""; }
    .hero-card::before { top: -90px; right: -110px; width: 340px; height: 340px; }
    .hero-card::after { bottom: -110px; left: -80px; width: 240px; height: 240px; }
    .browser { position: relative; z-index: 1; overflow: hidden; border-radius: 18px; color: var(--ink); background: white; box-shadow: 0 18px 50px rgba(0, 0, 0, .16); }
    .browser-top { display: flex; align-items: center; height: 38px; padding: 0 12px; gap: 6px; background: #e7f0ea; }
    .dot { width: 8px; height: 8px; border-radius: 50%; background: #a8c0b2; }
    .cms { display: grid; grid-template-columns: 130px 1fr; min-height: 355px; }
    .side { padding: 20px 14px; color: white; background: var(--accent); font-size: .75rem; }
    .side strong { display: block; margin-bottom: 20px; font-size: .95rem; }
    .menuitem { margin: 4px 0; padding: 8px 9px; border-radius: 8px; background: rgba(255, 255, 255, .05); }
    .menuitem.active { background: rgba(255, 255, 255, .18); }
    .main { padding: 24px; background: #f3f7f4; }
    .ui-title { margin-bottom: 18px; font-size: 1.15rem; font-weight: 900; }
    .ui-card { margin-bottom: 10px; padding: 14px; border: 1px solid #e0ebe4; border-radius: 12px; background: white; }
    .ui-line { height: 8px; margin: 8px 0; border-radius: 99px; background: #e7f0ea; }
    .ui-line.w70 { width: 70%; }
    .ui-line.w45 { width: 45%; }
    .ui-line.w90 { width: 90%; }
    .problem, .usecases, .technical, .faq { background: white; }
    .compare { background: #e7f0ea; }
    .cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 42px; }
    .card { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
    .card p:last-child { margin-bottom: 0; }
    .num { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 18px; border-radius: 13px; color: var(--accent); background: var(--tint); font-weight: 900; }
    .value-word { margin-bottom: 16px; color: var(--accent); font-size: 1.9rem; line-height: 1.1; letter-spacing: -.03em; }
    .feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 42px; }
    .feature-item { padding: 20px 4px 0; border-top: 2px solid var(--accent); }
    .feature-item p { margin-bottom: 0; color: var(--muted); }
    .feature-row { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 54px; margin-top: 68px; }
    .feature-row:nth-child(even) { grid-template-columns: 1.1fr .9fr; }
    .feature-row:nth-child(even) .visual { order: 2; }
    .visual { display: flex; align-items: center; justify-content: center; min-height: 340px; padding: 34px; border: 1px solid #c7d8cd; border-radius: 30px; background: linear-gradient(145deg, #edf4ef, #e2f0e8); }
    .mini-admin { overflow: hidden; width: 100%; max-width: 460px; border: 1px solid #d4e5da; border-radius: 18px; background: white; box-shadow: var(--shadow); }
    .mini-admin .bar { padding: 14px 18px; border-bottom: 1px solid #e7f0ea; font-weight: 900; }
    .form { padding: 18px; }
    .label { margin-bottom: 5px; color: #597062; font-size: .75rem; }
    .input { height: 38px; margin-bottom: 12px; border: 1px solid #d5e4db; border-radius: 8px; background: #fbfdfb; }
    .textarea { height: 86px; }
    .flow { color: white; background: var(--accent); }
    .flow .lead, .cta .lead { color: #e2f0e8; }
    .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 42px; }
    .step { padding: 25px; border: 1px solid rgba(255, 255, 255, .12); border-radius: 22px; background: rgba(255, 255, 255, .07); }
    .step .num { color: white; background: rgba(255, 255, 255, .14); }
    .casegrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 42px; }
    .case { padding: 24px; border: 1px solid var(--line); border-radius: 22px; background: #f5faf6; }
    .case-icon { margin-bottom: 13px; font-size: 1.8rem; }
    .technical-grid { display: grid; grid-template-columns: .8fr 1.2fr; align-items: start; gap: 54px; }
    .technical-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 0; padding: 0; list-style: none; }
    .technical-list li { padding: 16px 18px; border: 1px solid var(--line); border-radius: 14px; background: #f7faf7; font-weight: 700; }
    .price { background: linear-gradient(180deg, #f3f7f4, #fff); }
    .price-card { max-width: 820px; margin: 42px auto 0; padding: 42px; border: 1px solid var(--line); border-radius: 32px; background: white; box-shadow: 0 24px 70px rgba(17, 24, 32, .08); }
    .price-main { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; }
    .price-main strong { font-size: 3.4rem; line-height: 1; }
    .checklist { margin: 22px 0 0; padding: 0; list-style: none; }
    .checklist li { position: relative; padding: 11px 0 11px 34px; border-bottom: 1px solid #edf4ef; }
    .checklist li:last-child { border-bottom: 0; }
    .checklist li::before { position: absolute; top: 11px; left: 0; color: var(--accent); font-weight: 900; content: "✓"; }
    details { max-width: 900px; margin: 12px auto; padding: 0 20px; border: 1px solid var(--line); border-radius: 16px; background: #f7faf7; }
    summary { padding: 18px 0; font-weight: 800; cursor: pointer; }
    details p { margin-bottom: 0; padding-bottom: 18px; color: var(--muted); }
    .cta { padding: 110px 0; color: white; text-align: center; background: var(--accent); }
    .cta .lead { margin-right: auto; margin-left: auto; }
    .cta .btn.primary { color: var(--accent); background: white; }
    footer { padding: 36px 0; color: #a8c0b2; background: #10271d; }
    .footer-brand { color: white; }
    .footerline { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; font-size: .85rem; }
    .sticky-cta { display: none; }
    @media (max-width: 900px) {
      .navlinks { display: none; }
      .hero { padding-top: 68px; }
      .hero-grid, .feature-row, .feature-row:nth-child(even), .technical-grid { grid-template-columns: 1fr; }
      .feature-row:nth-child(even) .visual { order: 0; }
      .cards { grid-template-columns: 1fr; }
      .feature-grid, .casegrid, .steps { grid-template-columns: 1fr 1fr; }
      .hero-card { min-height: auto; }
      section { padding: 74px 0; }
    }
    @media (max-width: 600px) {
      .wrap { width: min(calc(100% - 28px), var(--max)); }
      .header-cta { display: none; }
      h1 { font-size: 2.55rem; }
      .hero-title { font-size: 2.1rem; letter-spacing: -.05em; }
      .hero-alternative { margin-bottom: 20px; font-size: 1.05rem; }
      h2 { font-size: 2rem; }
      .hero-card { padding: 20px; border-radius: 24px; }
      .cms { grid-template-columns: 92px 1fr; }
      .side { padding: 14px 8px; }
      .main { padding: 14px; }
      .feature-grid, .casegrid, .steps, .technical-list { grid-template-columns: 1fr; }
      .card, .price-card { padding: 24px; }
      .price-main strong { font-size: 2.6rem; }
      .sticky-cta { display: block; position: fixed; right: 12px; bottom: 12px; left: 12px; z-index: 30; }
      .sticky-cta .btn { width: 100%; box-shadow: 0 8px 30px rgba(0, 0, 0, .22); }
      footer { padding-bottom: 96px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
    }