:root{
      --blue:#2f7fc1; --blue2:#76b8e6; --navy:#12315a; --sky:#edf7ff;
      --yellow:#ffd75a; --orange:#f7b52c; --pink:#f47fa8; --ink:#1f2937;
      --muted:#667085; --line:#d7e4ef; --bg:#f8fbff; --white:#fff;
      --radius:28px; --shadow:0 18px 50px rgba(18,49,90,.12);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",Meiryo,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75}
    a{color:inherit;text-decoration:none}
    .container{width:min(1120px,calc(100% - 40px));margin-inline:auto}
    .header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
    .header-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:900;color:var(--navy)}
    .brand-mark{width:42px;height:42px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue2),#fff);border:2px solid var(--navy);box-shadow:0 6px 18px rgba(47,127,193,.18)}
    .nav{display:flex;gap:20px;font-size:14px;font-weight:800;color:#46607d}
    .nav a:hover{color:var(--blue)}
    .hero{position:relative;overflow:hidden;background:radial-gradient(circle at 15% 20%, rgba(255,215,90,.45), transparent 28%),radial-gradient(circle at 85% 10%, rgba(118,184,230,.55), transparent 32%),linear-gradient(135deg,#fff 0%,#eef8ff 55%,#fff7df 100%)}
    .hero-grid{display:grid;grid-template-columns:3fr 7fr;gap:48px;align-items:center;min-height:auto;padding:56px 0 72px}
    .hero-visual{display:flex;align-items:center;justify-content:center}
    .hero-copy{display:flex;flex-direction:column;justify-content:center;gap:24px}
    .hero-copy .lead{max-width:100%}
    .badge{display:inline-flex;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;color:var(--blue);font-weight:900;font-size:14px;box-shadow:0 8px 24px rgba(18,49,90,.08)}
    h1{margin:22px 0 20px;font-size:clamp(42px,7vw,76px);line-height:1.08;letter-spacing:-.05em;color:var(--navy)}
    h1 .accent{color:var(--blue)}
    .lead{font-size:clamp(17px,2.1vw,21px);color:#41516a;}/*max-width:720px}*/
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
    .button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:12px 20px;border-radius:18px;font-weight:900;border:2px solid var(--navy);box-shadow:0 8px 0 var(--navy);transition:.15s transform,.15s box-shadow}
    .button:hover{transform:translateY(3px);box-shadow:0 5px 0 var(--navy)}
    .button.primary{background:var(--yellow);color:var(--navy)}
    .button.secondary{background:#fff;color:var(--navy)}
    .hero-card{background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:36px;padding:24px;box-shadow:var(--shadow)}
    .sign-preview{border-radius:28px;background:#f0f8ff;padding:22px;border:2px dashed #b7d9f2}
    .sign-row{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;margin:12px 0;box-shadow:0 10px 26px rgba(18,49,90,.06)}
    .sign-row small{display:block;color:var(--muted);font-weight:700}
    .sign-row strong{font-size:24px;color:var(--navy)}
    .arrow{font-size:42px;color:var(--blue);font-weight:900;line-height:1}
    .section{padding:86px 0}
    .section.white{background:#fff}
    .section-title{margin:0 0 18px;color:var(--navy);font-size:clamp(30px,4vw,46px);line-height:1.2;letter-spacing:-.04em}
    .section-lead{/*max-width:800px;*/color:#4b5f78;font-size:18px;margin:0 0 34px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 10px 30px rgba(18,49,90,.06)}
    .card h3{margin:10px 0 8px;color:var(--navy);font-size:22px;line-height:1.35}
    .card p{margin:0;color:#52657d}
    .icon{width:52px;height:52px;border-radius:18px;display:grid;place-items:center;background:var(--sky);color:var(--blue);font-size:26px;font-weight:900}

    .identity-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:20px;
      align-items:stretch;
    }
    .identity-card{
      display:flex;
      flex-direction:column;
      gap:12px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:22px;
      box-shadow:0 10px 30px rgba(18,49,90,.06);
      height:100%;
    }
    .identity-card-text h3{
      margin:0 0 10px;
      color:var(--navy);
      font-size:24px;
      line-height:1.35;
    }
    .identity-card-text p{
      margin:0 0 12px;
      color:#52657d;
    }
    .identity-card-text p:last-child{margin-bottom:0}
    .credit{color:var(--navy) !important}
    .identity-card-visual{
      min-height:300px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
    }
    .mascot-caption{
      margin:14px 0 0;
      color:var(--navy);
      font-weight:900;
      font-size:20px;
    }
    .logo-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:center}
    .logo-stage{background:linear-gradient(135deg,#eaf7ff,#fff6d4);border-radius:36px;padding:30px;border:1px solid var(--line);box-shadow:var(--shadow)}
    .logo-card{
      background:#fff;
      border-radius:22px;
      padding:12px;
      text-align:center;
      border:1px solid var(--line);
    }
    .project-logo{
      display:block;
      height:170px;
      max-width:100%;
      width:auto;
      margin:8px auto 10px;
      object-fit:contain;
    }
    .project-logo-head{
      display:block;
      height:200px;
      max-width:100%;
      width:auto;
      margin:8px auto 10px;
      object-fit:contain;
    }
    .logo-note{margin-top:0px;font-weight:900;color:var(--navy)}
    .chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
    .chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-weight:900;color:var(--navy)}
    .character-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:center}
    .mascot-stage{background:linear-gradient(135deg,#eaf7ff,#fff6d4);border-radius:36px;padding:30px;border:1px solid var(--line);box-shadow:var(--shadow)}
    .mascot-card{
      background:#fff;
      border-radius:22px;
      padding:12px;
      text-align:center;
      border:1px solid var(--line);
    }
    .mascot-name{font-size:38px;font-weight:1000;color:var(--blue);letter-spacing:.05em;margin:8px 0 0}
    .mascot-sub{color:var(--muted);font-weight:800;margin:0}
    .members{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .member{background:#fff;border:1px solid var(--line);border-radius:26px;padding:18px;text-align:center}
    .member-photo{
      width:160px;
      margin:0 auto 16px;
      border-radius:24px;
      overflow:hidden;
      background:#fff;
      border:2px solid #cbe4f7;
      box-shadow:0 10px 24px rgba(18,49,90,.10);
    }
    .member-photo img{
      display:block;
      width:100%;
      height:auto;
      object-fit:contain;
    }

    .member-photo.small{width:120px}
    .member-photo.large{width:200px}
    .member-photo.full{width:100%;max-width:240px}
    .member h3{margin:0 0 8px;color:var(--navy)}
    .member p{margin:0;color:#5e7189;font-size:14px;text-align:left}
    .activity-list{counter-reset:item;display:grid;gap:14px}
    .activity-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px 22px 22px 78px}
    .activity-item::before{counter-increment:item;content:counter(item);position:absolute;left:22px;top:22px;width:38px;height:38px;border-radius:14px;display:grid;place-items:center;background:var(--blue);color:white;font-weight:1000}
    .activity-item h3{margin:0 0 4px;color:var(--navy)}
    .activity-item p{margin:0;color:#52657d}
    .flow{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
    .flow span{background:#f0f8ff;border:1px solid #cce3f5;border-radius:14px;padding:7px 10px;font-weight:800;color:var(--navy)}
    .footer{background:var(--navy);color:#d7e8f6;padding:44px 0;text-align:center}
    .footer strong{color:#fff}

    .contact-wrap{display:grid;grid-template-columns:1fr .95fr;gap:28px;align-items:stretch}
    .contact-card{background:#fff;border:1px solid var(--line);border-radius:30px;padding:28px;box-shadow:var(--shadow)}
    .contact-card h3{margin:0 0 14px;color:var(--navy);font-size:24px}
    .contact-list{display:grid;gap:14px;margin-top:22px}
    .contact-item{display:grid;grid-template-columns:110px 1fr;gap:14px;border-top:1px solid var(--line);padding-top:14px}
    .contact-item b{color:var(--navy)}
    .contact-item span{color:#52657d}
    .contact-note{margin-top:18px;padding:14px 16px;border-radius:18px;background:#f0f8ff;color:#52657d;font-size:14px}
    @media (max-width:860px){
      .nav{display:none}
      .hero-grid,.logo-wrap,.character-wrap,.identity-grid,.contact-wrap{grid-template-columns:1fr}
      .hero-grid{min-height:auto;padding:56px 0 80px}
      .grid-3,.grid-2,.members{grid-template-columns:1fr}
      .section{padding:64px 0}
      .contact-item{grid-template-columns:1fr;gap:2px}
    }

    .identity-card-visual.logo-card,
    .identity-card-visual.mascot-card{
      box-shadow:none;
    }


    #identity .section-title{margin-bottom:22px}
    .identity-card > h2{
      margin:0 0 4px;
      color:var(--navy);
      font-size:24px;
      line-height:1.35;
    }
    .identity-card > p{
      margin:0 0 8px;
      color:#52657d;
    }
    .identity-card > p.credit{
      margin-top:0;
      margin-bottom:0;
    }
    #identity .identity-card img + p{
      margin-top:4px;
    }

    .brand-mark{
      overflow:hidden;
      background:#fff;
    }
    .brand-mark img{
      display:block;
      width:100%;
      height:100%;
      object-fit:contain;
      padding:3px;
    }