:root{
      --bg:#081225;--bg2:#0c1b36;--panel:#102444;--panel2:#0e1f3d;
      --text:#eef4ff;--text-strong:#ffffff;--muted:#c6d5ef;--line:#28446f;
      --g1:#3b82f6;--g2:#22d3ee;--accent:#7dd3fc;
    }
    *{box-sizing:border-box}
    body{margin:0;color:var(--text);font-family:"Noto Sans JP",system-ui,sans-serif;
      background:radial-gradient(circle at 10% 0%,#1d4ed844,transparent 34%),
                 radial-gradient(circle at 95% 5%,#22d3ee30,transparent 36%),
                 linear-gradient(180deg,var(--bg),var(--bg2));}

    .top{position:sticky;top:0;background:rgba(8,18,37,.88);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:20}
    .wrap{max-width:1160px;margin:0 auto;padding:0 18px}
    .nav{display:flex;justify-content:space-between;align-items:center;padding:12px 0;gap:12px}
    .brand{font-weight:900;letter-spacing:.3px;background:linear-gradient(90deg,#93c5fd,#67e8f9);-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
    .menu a{margin-left:14px;color:var(--text);text-decoration:none;font-weight:600;font-size:14px;padding-bottom:4px;border-bottom:2px solid transparent}
    .menu a:hover{color:#fff;text-shadow:0 0 12px #60a5fa88}
    .menu a.active{border-bottom-color:var(--accent);color:#fff}

    .btn{display:inline-block;padding:10px 15px;border-radius:10px;text-decoration:none;font-weight:700}
    .btn.p{background:linear-gradient(90deg,var(--g1),var(--g2));color:#fff;box-shadow:0 8px 24px #3b82f666}
    .btn.s{border:1px solid #4b6696;color:#e6eeff;background:#132748}

    .hero{padding:88px 0 56px}
    h1{font-size:46px;margin:0 0 12px;color:var(--text-strong);line-height:1.2}
    h2{color:#fff;margin:0 0 12px}
    h3{color:#fff;margin:0 0 8px}
    .sub{color:var(--muted);max-width:780px;font-size:18px;line-height:1.75}
    .chip{display:inline-block;padding:4px 10px;border-radius:999px;background:#12305b;border:1px solid #295891;color:#b6e7ff;font-size:12px;margin-bottom:10px}

    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:center}
    .illu-wrap{background:linear-gradient(180deg,#102444,#0d1e3b);border:1px solid var(--line);border-radius:16px;padding:10px}
    .illu-wrap img{width:100%;border-radius:12px;display:block;filter:saturate(1.05) contrast(1.03)}

    .kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-top:24px}
    .kpi .item{background:#11284b;border:1px solid var(--line);padding:14px;border-radius:10px;color:#eef4ff}

    .trust-band{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
    .trust{background:#11284b;border:1px solid var(--line);border-radius:12px;padding:14px}
    .trust strong{display:block;font-size:26px;color:#fff}
    .trust span{color:var(--muted);font-size:13px}

    .section{padding:56px 0}
    .cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
    .card{display:block;background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:12px;padding:18px;transition:.2s;color:var(--text);text-decoration:none}
    .card p,.card li{color:var(--muted);line-height:1.65}
    .card:hover{transform:translateY(-3px);border-color:#4f79b5;box-shadow:0 10px 24px #0b1a3366}

    .mission{background:linear-gradient(90deg,#163664,#11305b);border:1px solid #2f578d;border-radius:14px;padding:16px;color:#e7f1ff}
    .grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .split-media{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:stretch}
    .media-card{background:#0f2242;border:1px solid var(--line);border-radius:12px;padding:8px;position:relative;overflow:hidden}
    .media-card img{width:100%;height:100%;min-height:260px;object-fit:cover;border-radius:10px;display:block;opacity:.92}

    .list-clean{margin:0;padding-left:18px}
    .list-clean li{margin:4px 0}

    .jp-illusts{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
    .jp-illust{background:#11284b;border:1px solid var(--line);border-radius:12px;padding:10px}
    .jp-illust img{width:100%;border-radius:10px;display:block}
    .jp-illust small{color:var(--muted)}

    .section-bg{position:relative;overflow:hidden}
    .section-bg::before{content:"";position:absolute;inset:0;background-size:cover;background-position:center;opacity:.16;filter:saturate(1.05);z-index:0}
    .section-bg > .wrap{position:relative;z-index:1}

    .contact-form{display:grid;gap:10px;max-width:620px}
    .contact-form input,.contact-form textarea,.contact-form select{background:#0f2242;border:1px solid var(--line);color:#eef4ff;border-radius:10px;padding:10px}

    .mobile-nav{display:none;position:fixed;left:0;right:0;bottom:0;background:rgba(8,18,37,.96);border-top:1px solid var(--line);z-index:30}
    .mobile-nav .inner{display:flex;justify-content:space-around;max-width:560px;margin:0 auto;padding:8px 8px env(safe-area-inset-bottom)}
    .mobile-nav a{color:#dbeafe;text-decoration:none;font-size:12px;padding:10px 8px;border-radius:8px;min-height:44px;display:flex;align-items:center}
    .mobile-nav a.active{background:#1a3766;color:#fff}

    footer{padding:28px 0;border-top:1px solid var(--line);color:var(--muted)}

    @media (max-width:920px){
      .hero-grid,.grid-2,.split-media{grid-template-columns:1fr}
      h1{font-size:34px}.sub{font-size:16px}
      .menu{display:none}
      .mobile-nav{display:block}
      body{padding-bottom:64px}
    }