@import url('https://fonts.googleapis.com/css2?family=LINE+Seed+JP:wght@100;400;700;800&display=swap');

    :root{
      /* color */
      --bg:#F8F7FA;
      --surface:#FFFFFF;
      --surface-2:#FBFAFC;
      --ink:#1D1B22;
      --ink-2:#2A2730;
      --muted:#625F6B;
      --subtle:#8E8A96;
      --line:#E8E5EC;
      --track:#EFECF2;
      --accent:#C13584;
      --accent-hover:#A62A71;
      --accent-2:#833AB4;
      --accent-soft:#FCF0F6;
      --accent-line:#F2D2E4;
      --grad:linear-gradient(120deg,#833AB4 0%,#C13584 52%,#F56040 100%);
      --amber:#C2570C;
      --amber-soft:#FEF4EB;
      --amber-line:#F5DAC2;
      --terra:#E0531F;
      --terra-soft:#FDEFE8;
      --terra-line:#F6D3C3;
      /* radius (8px step) */
      --r-8:8px; --r-16:16px; --r-24:24px;
      /* shadow */
      --shadow-sm:0 8px 24px rgba(30,36,34,.04);
      --shadow-md:0 16px 48px rgba(30,36,34,.08);
      --ease:cubic-bezier(.22,.61,.36,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"LINE Seed JP", sans-serif;
      color:var(--ink);
      background:var(--bg);
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    button,input,a{font:inherit}
    button,a{cursor:pointer}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    p{margin:0}
    .wrap{max-width:1160px;margin:0 auto;padding:0 32px}

    /* ===== Header ===== */
    .topbar{position:sticky;top:0;z-index:50;background:var(--ink);border-bottom:1px solid rgba(255,255,255,.08)}
    .topbar-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:16px;border:0;background:transparent;padding:0;color:#fff;min-width:0;transition:opacity .2s var(--ease)}
    .brand:hover{opacity:.8}
    .brand-logo{height:24px;width:auto}
    .brand-divider{width:1px;height:24px;background:rgba(255,255,255,.24)}
    .brand-name{font-size:14px;font-weight:700;letter-spacing:.04em;white-space:nowrap}
    .header-actions{display:flex;align-items:center;gap:16px}
    .prototype-badge{font-size:11px;font-weight:700;letter-spacing:.08em;color:rgba(255,255,255,.56);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-8);padding:8px 8px;line-height:1}

    /* ===== Buttons (hover: 中身がスライドして入れ替わる) ===== */
    .primary,.secondary,.ghost{
      position:relative;overflow:hidden;
      display:inline-flex;align-items:center;justify-content:center;
      border-radius:var(--r-8);padding:16px 24px;
      font-size:15px;font-weight:700;line-height:1.4;text-align:center;white-space:nowrap;
      transition:background-color .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease);
    }
    .btn-inner{display:inline-flex;align-items:center;gap:8px;transition:transform .4s var(--ease)}
    .btn-inner i{font-size:.9em;transition:transform .4s var(--ease)}
    .primary:hover .btn-inner,.secondary:hover .btn-inner,.ghost:hover .btn-inner,
    .primary:focus-visible .btn-inner,.secondary:focus-visible .btn-inner,.ghost:focus-visible .btn-inner{transform:translateX(4px)}
    .primary:hover .btn-inner i,.secondary:hover .btn-inner i,.ghost:hover .btn-inner i{transform:translateX(4px)}
    .btn-back:hover .btn-inner,.btn-back:focus-visible .btn-inner,.btn-back:hover .btn-inner i{transform:translateX(-4px)}
    .primary{border:0;background:var(--grad);background-size:160% 100%;background-position:0% 50%;color:#fff;box-shadow:0 8px 24px rgba(193,53,132,.22);transition:background-position .64s var(--ease),box-shadow .32s var(--ease)}
    .primary:hover{background-position:60% 50%;box-shadow:0 12px 28px rgba(193,53,132,.26)}
    .secondary{border:1px solid var(--line);background:var(--surface);color:var(--ink)}
    .secondary:hover{border-color:var(--accent);color:var(--accent)}
    .ghost{border:1px solid rgba(255,255,255,.32);background:transparent;color:#fff;padding:8px 16px;font-size:13px}
    .ghost:hover{background:#fff;border-color:#fff;color:var(--ink)}
    .primary:focus-visible,.secondary:focus-visible,.ghost:focus-visible,.text-link:focus-visible,.brand:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}

    /* ===== Common ===== */
    .screen{display:none;min-height:calc(100vh - 72px);padding:80px 0 120px}
    .screen.active{display:block;animation:fade .32s var(--ease)}
    @keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--accent)}
    .eyebrow i{font-size:12px}
    h1{font-size:clamp(36px,3.5vw,50px);line-height:1.3;letter-spacing:-.02em;font-weight:800;margin:24px 0}
    h2{font-size:clamp(28px,3.4vw,40px);line-height:1.4;letter-spacing:-.01em;font-weight:800;margin:16px 0 24px}
    h2,h3,.panel-title{line-break:strict;text-wrap:balance}
    h1 .l{display:block}
    h1 .ib{display:inline-block}
    @media(min-width:961px){h1 .l{white-space:nowrap}}
    h3{font-size:20px;line-height:1.5;font-weight:700;margin:0 0 8px}
    h4{margin:0}
    .lead{font-size:17px;line-height:1.9;color:var(--muted);max-width:720px}
    .micro{font-size:14px;line-height:1.8;color:var(--muted)}
    .section{padding-top:120px}
    .section-head{max-width:880px;margin-bottom:48px}
    .center{text-align:center}
    .mt-32{margin-top:32px}

    /* ===== Hero ===== */
    .hero{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center;padding-top:16px}
    .hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:var(--r-8);padding:8px 16px}
    .hero-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-top:40px}
    .note{display:flex;gap:16px;align-items:flex-start;font-size:13px;line-height:1.8;color:var(--muted);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-16);padding:16px 24px;margin-top:32px}
    .note i{color:var(--accent);margin-top:4px}
    .hero-card{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-24);padding:40px;box-shadow:var(--shadow-md)}
    .hero-card::before{content:"";position:absolute;inset:0 0 auto;height:8px;background:var(--grad)}
    .hero-card-head{display:flex;align-items:center;justify-content:space-between;gap:16px}
    .card-label{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--subtle)}
    .score-preview{font-size:80px;font-weight:800;letter-spacing:-.04em;line-height:1;margin:24px 0 16px}
    .score-preview span{font-size:18px;color:var(--subtle);letter-spacing:0;font-weight:700;margin-left:8px}
    .rank{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-8);background:var(--amber-soft);color:var(--amber);border:1px solid var(--amber-line);font-size:13px;font-weight:700;line-height:1.4}
    .bars{margin-top:32px;padding-top:24px;border-top:1px solid var(--line);display:grid;gap:16px}
    .barrow{display:grid;grid-template-columns:136px 1fr 32px;gap:16px;align-items:center;font-size:13px}
    .barrow span{color:var(--muted)}
    .barrow strong{text-align:right;font-size:14px}
    .bar{height:8px;background:var(--track);border-radius:var(--r-8);overflow:hidden}
    .bar>i{display:block;height:100%;background:var(--grad);border-radius:var(--r-8)}

    /* ===== Cards ===== */
    .feature-grid,.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
    .feature,.flow-card,.explain-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-24);padding:32px;box-shadow:var(--shadow-sm)}
    .feature h3,.flow-card h3{margin-top:24px}
    .icon-tile{width:56px;height:56px;border-radius:var(--r-16);background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent-line);display:grid;place-items:center;font-size:20px}
    .feature-top{display:flex;align-items:center;justify-content:space-between}
    .feature-no{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--subtle)}
    .explain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
    .explain-card strong{display:block;font-size:18px;line-height:1.5;margin:24px 0 8px}
    .explain-card p{font-size:14px;line-height:1.8;color:var(--muted)}
    .explain-top{display:flex;align-items:center;justify-content:space-between;gap:16px}
    .sample-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-8);background:var(--amber-soft);border:1px solid var(--amber-line);color:var(--amber);font-size:12px;font-weight:700;line-height:1.2}
    .flow-card{display:flex;flex-direction:column;justify-content:space-between;gap:24px}
    .step-badge{display:inline-flex;align-items:center;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--accent);background:var(--accent-soft);padding:8px 16px;border-radius:var(--r-8);line-height:1.2}
    .text-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--accent);border:0;background:transparent;padding:0}
    .text-link i{transition:transform .24s var(--ease)}
    .text-link:hover i{transform:translateX(8px)}
    .text-link:hover span{text-decoration:underline;text-underline-offset:4px}

    .method-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-24);padding:48px;display:grid;grid-template-columns:auto 1fr;gap:32px;align-items:center;box-shadow:var(--shadow-sm)}
    .method-box h2{margin-top:8px;margin-bottom:16px}

    /* ===== 運営会社・伴走支援体制 ===== */
    .company-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-24);padding:48px;box-shadow:var(--shadow-sm);display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center}
    .award-frame{margin:0;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-16);padding:24px;display:grid;place-items:center}
    .award-frame img{width:100%;height:auto;max-height:360px;object-fit:contain;border-radius:var(--r-8)}
    .company-body{display:grid;gap:16px}
    .company-body p{font-size:15px;line-height:1.9;color:var(--muted);line-break:strict}
    .company-body strong{color:var(--ink)}
    .company-side{display:grid;gap:24px}
    .domain-block{padding:24px;border:1px solid var(--line);border-radius:var(--r-16)}
    .domain-label{display:block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--subtle);margin-bottom:16px}
    .domain-tags{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
    .domain-tags li{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-8);background:var(--accent-soft);border:1px solid var(--accent-line);color:var(--ink);font-size:13px;font-weight:700;line-height:1.4}
    .domain-tags i{color:var(--accent);font-size:14px}
    #company .ib{display:inline-block}

    /* ===== FAQ ===== */
    .faq{max-width:880px;display:grid;gap:16px}
    .faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-16);transition:border-color .24s var(--ease)}
    .faq details[open]{border-color:var(--accent-line)}
    .faq summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 32px;font-weight:700;cursor:pointer}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary i{color:var(--accent);transition:transform .24s var(--ease);flex:0 0 auto}
    .faq details[open] summary i{transform:rotate(45deg)}
    .faq details p{padding:0 32px 24px;color:var(--muted);font-size:14px;line-height:1.9}


    /* ===== Detail report ===== */
    .report-toolbar{display:flex;gap:24px;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;margin-bottom:32px}
    .report-toolbar h2{margin:16px 0 8px}
    .demo-banner{display:flex;gap:16px;align-items:flex-start;padding:16px 24px;background:var(--amber-soft);border:1px solid var(--amber-line);color:#8A3F0A;border-radius:var(--r-16);margin-bottom:24px;font-size:13px;font-weight:700;line-height:1.8}
    .demo-banner i{margin-top:4px}
    .report-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:24px}
    .meta-pill{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border:1px solid var(--line);border-radius:var(--r-8);background:var(--surface);font-size:12px;font-weight:700;color:var(--muted);line-height:1.2}
    .meta-pill i{color:var(--accent)}
    .term-guide{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:32px}
    .term-chip{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-16);padding:16px;font-size:12px;color:var(--muted);line-height:1.7}
    .term-chip strong{display:block;color:var(--ink);font-size:13px;margin-bottom:8px}
    .panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-24);padding:40px;box-shadow:var(--shadow-sm)}
    .detail-demo-hero{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
    .panel-title{font-size:26px;line-height:1.5;font-weight:800;margin:24px 0 16px}
    .panel-lead{font-size:15px;line-height:1.9;color:var(--muted)}
    .detail-kpi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}
    .detail-kpi{border:1px solid var(--line);border-radius:var(--r-16);padding:24px 16px;background:var(--surface-2)}
    .detail-kpi .label{display:block;font-size:12px;line-height:1.6;color:var(--muted);font-weight:700;min-height:40px}
    .detail-kpi .value{font-size:28px;font-weight:800;line-height:1.2;margin:8px 0}
    .detail-kpi .delta{font-size:12px;font-weight:700}
    .delta.up{color:var(--accent-2)}.delta.down{color:var(--terra)}.delta.mid{color:var(--amber)}
    .aside-title{margin:24px 0 16px}
    .demo-insight{border-left:3px solid var(--accent);padding:16px 24px;background:var(--surface-2);border-radius:0 var(--r-16) var(--r-16) 0;margin-top:16px}
    .demo-insight h4{font-size:15px;line-height:1.6;margin-bottom:8px}
    .demo-insight p{color:var(--muted);font-size:13px;line-height:1.8}
    .report-section{margin-top:24px}
    .report-title{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:32px;flex-wrap:wrap}
    .report-title h3{margin:8px 0 0;font-size:24px}
    .report-title p{color:var(--muted);font-size:13px}
    .report-2col{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    .chart-card{border:1px solid var(--line);border-radius:var(--r-16);background:var(--surface-2);padding:24px;min-height:280px}
    .chart-card h4{font-size:16px;margin-bottom:8px}
    .chart-card .sub{font-size:12px;color:var(--muted);margin-bottom:24px}
    .radar-wrap{display:grid;grid-template-columns:184px 1fr;gap:24px;align-items:center}
    .radar-wrap svg{width:184px;height:184px;margin:auto}
    .radar-legend{display:grid;gap:8px}
    .radar-legend div{display:grid;grid-template-columns:1fr 40px;gap:8px;font-size:13px;padding-bottom:8px;border-bottom:1px solid var(--line)}
    .radar-legend div:last-child{border-bottom:0;padding-bottom:0}
    .radar-legend span{color:var(--muted)}
    .radar-legend strong{text-align:right}
    .funnel-metric{display:grid;grid-template-columns:120px 1fr 64px;gap:16px;align-items:center;margin-top:16px;font-size:13px}
    .funnel-metric span{color:var(--muted)}
    .funnel-track{height:32px;background:var(--track);border-radius:var(--r-8);overflow:hidden}
    .funnel-fill{height:100%;border-radius:var(--r-8);background:var(--grad)}
    .funnel-metric strong{text-align:right}
    .drop-note{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--terra);font-weight:700;margin:8px 0 0 136px}
    .service-fit{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .service-fit-card{border:1px solid var(--line);border-radius:var(--r-16);padding:24px;background:var(--surface-2)}
    .service-fit-card strong{display:block;font-size:16px;line-height:1.5;margin:16px 0 8px}
    .fit{display:inline-flex;align-items:center;gap:8px;border-radius:var(--r-8);padding:8px 16px;font-size:12px;font-weight:700;line-height:1.2}
    .fit.high{color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-line)}
    .fit.medium{color:var(--amber);background:var(--amber-soft);border:1px solid var(--amber-line)}
    .report-cta{display:flex;justify-content:center;margin-top:40px}

    /* ===== Footer ===== */
    .site-footer{background:var(--surface);border-top:1px solid var(--line);padding:48px 0;text-align:center}
    .footer-links{list-style:none;margin:0 0 24px;padding:0;display:flex;justify-content:center;flex-wrap:wrap;gap:8px 0}
    .footer-links li{display:flex;align-items:center}
    .footer-links li:not(:last-child)::after{content:"";width:1px;height:16px;background:var(--line);margin:0 24px}
    .footer-links a{font-size:13px;font-weight:700;color:var(--muted);transition:color .2s var(--ease)}
    .footer-links a:hover,.footer-links a:focus-visible{color:var(--accent)}
    .copyright{display:block;font-size:12px;color:var(--subtle);letter-spacing:.02em}

    /* ===== Mobile demo bar ===== */
    .mobile-demo-bar{display:none}

    /* ===== Responsive ===== */
    @media(max-width:960px){
      .hero,.detail-demo-hero{grid-template-columns:1fr}
      .hero{gap:48px}
      .feature-grid,.flow-grid,.service-fit{grid-template-columns:1fr}
      .term-guide{grid-template-columns:repeat(2,1fr)}
      .report-2col{grid-template-columns:1fr}
      .method-box{grid-template-columns:1fr;padding:40px}
      .company-box{grid-template-columns:1fr;padding:40px;gap:32px}
      .company-side{max-width:560px;width:100%;justify-self:center}
    }
    @media(max-width:640px){
      .wrap{padding:0 16px}
      .topbar-inner{height:64px;gap:16px}
      .brand{gap:16px}
      .brand-logo{height:20px}
      .brand-divider{height:16px}
      .brand-name{font-size:12px;letter-spacing:.04em}
      .header-actions{display:none}
      .mobile-demo-bar{display:block;position:fixed;left:16px;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:60;transform:translateY(calc(100% + 32px));opacity:0;pointer-events:none;transition:transform .4s var(--ease),opacity .4s var(--ease)}
      .mobile-demo-bar.is-visible{transform:none;opacity:1;pointer-events:auto}
      .mobile-demo-bar .demo-bar-btn{width:100%;background:var(--ink);border:1px solid var(--ink);color:#fff;box-shadow:0 16px 40px rgba(29,27,34,.24)}
      .mobile-demo-bar .demo-bar-btn:hover{background:var(--ink-2);border-color:var(--ink-2);color:#fff}
      .site-footer{padding-bottom:104px}
      .screen{padding:48px 0 80px}
      .section{padding-top:80px}
      .section-head{margin-bottom:32px}
      h1{font-size:34px}
      h2{font-size:26px}
      .lead{font-size:15px}
      .hero-actions{flex-direction:column;align-items:stretch}
      .primary,.secondary{width:100%;white-space:normal}
      .hero-card,.panel{padding:24px}
      .feature,.flow-card,.explain-card{padding:24px}
      .score-preview{font-size:64px}
      .barrow{grid-template-columns:112px 1fr 32px;gap:8px}
      .explain-grid,.detail-kpi-grid,.term-guide{grid-template-columns:1fr}
      .detail-kpi .label{min-height:0}
      .radar-wrap{grid-template-columns:1fr}
      .funnel-metric{grid-template-columns:88px 1fr 56px;gap:8px}
      .drop-note{margin-left:96px}
      .faq summary{padding:16px 24px}
      .faq details p{padding:0 24px 16px}
      .method-box{padding:24px}
      .company-box{padding:24px}
      .award-frame,.domain-block{padding:16px}
      .company-body p{font-size:14px}
      .footer-links li:not(:last-child)::after{margin:0 16px}
    }
    @media(prefers-reduced-motion:reduce){
      .screen.active{animation:none!important}
      .mobile-demo-bar{transition:none}
      .btn-inner,.btn-inner i{transition:none!important;transform:none!important}
      .text-link i{transition:none}
    }