:root{
    --bg:#ffffff; --txt:#111; --muted:#666; --line:#e8e8e8;
    --accent:#0a6; --accent2:#0b5;
    --alt:#f7f8fb;
  }
  
  *{box-sizing:border-box}
  html,body{margin:0;padding:0}
  body{
    font-family: system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Noto Sans JP", Arial, sans-serif;
    color:var(--txt);
    background:var(--bg);
    line-height:1.7;
  }
  
  a{color:inherit;text-decoration:none}
  .container{width:min(1100px,92%);margin:0 auto}
  
  .site-header{
    position:sticky; top:0; z-index:50;
    background:#fff; border-bottom:1px solid var(--line);
  }
  .header-inner{display:flex; align-items:center; justify-content:space-between; gap:16px; padding:12px 0}
  .logo{font-weight:800; letter-spacing:.02em}
  .logo span{font-weight:700; opacity:.9}
  
  .nav{display:flex; gap:14px; align-items:center; flex-wrap:wrap; justify-content:flex-end}
  .nav a{font-size:14px; color:#222; opacity:.9}
  .nav a:hover{opacity:1}
  .nav .btn{
    padding:10px 14px; border-radius:999px;
    border:1px solid var(--line);
  }
  
  .hero{padding:54px 0 34px; background:linear-gradient(180deg,#fff, var(--alt))}
  .hero-inner{display:grid; grid-template-columns: 1.2fr .8fr; gap:22px; align-items:start}
  .badge{
    display:inline-block; font-size:12px; padding:6px 10px; border-radius:999px;
    border:1px solid var(--line); background:#fff;
  }
  h1{font-size:34px; line-height:1.25; margin:12px 0}
  .lead{color:var(--muted); margin:10px 0 16px}
  .cta-row{display:flex; gap:12px; flex-wrap:wrap; margin:12px 0 12px}
  .cta{display:inline-block; padding:12px 16px; border-radius:12px; border:1px solid var(--line)}
  .cta.primary{background:var(--accent); color:#fff; border-color:transparent}
  .cta.ghost{background:#fff}
  .points{margin:10px 0 0; padding-left:18px; color:#333}
  
  .hero-card{
    background:#fff; border:1px solid var(--line); border-radius:16px;
    padding:18px;
  }
  .hero-card h2{font-size:16px; margin:0 0 10px}
  .check{margin:0; padding-left:18px}
  .note{margin:8px 0 0; color:var(--muted); font-size:13px}
  
  .section{padding:48px 0}
  .section.alt{background:var(--alt)}
  .section h2{font-size:24px; margin:0 0 12px}
  .sub{color:var(--muted); margin:0 0 16px}
  .small{font-size:13px; color:var(--muted)}
  
  .grid{
    display:grid; gap:14px;
    grid-template-columns: repeat(3, minmax(0,1fr));
  }
  .card{
    background:#fff; border:1px solid var(--line); border-radius:14px;
    padding:14px;
  }
  .card h3{margin:0 0 6px; font-size:16px}
  .card p{margin:0; color:var(--muted)}
  
  .muted-box{
    margin-top:16px; padding:14px; background:#fff;
    border:1px solid var(--line); border-radius:14px;
  }
  .list{margin:8px 0 0; padding-left:18px}
  
  .table-wrap{overflow:auto; border-radius:14px; border:1px solid var(--line); background:#fff}
  table.price{width:100%; border-collapse:collapse; min-width:700px}
  .price th,.price td{padding:12px; border-bottom:1px solid var(--line); text-align:left}
  .price th{background:#fafafa; font-weight:700}
  
  .ba{display:grid; gap:14px; grid-template-columns: repeat(3, minmax(0,1fr))}
  .ba-item{background:#fff; border:1px solid var(--line); border-radius:14px; padding:12px}
  .ph{
    height:120px; border:1px dashed #cfcfcf; border-radius:12px;
    display:flex; align-items:center; justify-content:center; color:#888; margin-bottom:10px;
  }
  
  .steps{margin:0; padding-left:0; list-style:none; display:grid; gap:10px}
  .steps li{
    background:#fff; border:1px solid var(--line); border-radius:14px;
    padding:12px; display:flex; gap:10px; align-items:flex-start;
  }
  .steps li span{
    width:26px; height:26px; border-radius:8px;
    display:inline-flex; align-items:center; justify-content:center;
    background:var(--accent); color:#fff; font-weight:700; flex:0 0 auto;
  }
  
  .quotes{display:grid; gap:12px; grid-template-columns: 1fr 1fr}
  blockquote{
    margin:0; padding:14px; border:1px solid var(--line); border-radius:14px;
    background:#fff; color:#333;
  }
  
  .chips{display:flex; gap:10px; flex-wrap:wrap; list-style:none; padding:0; margin:0}
  .chips li{padding:8px 12px; border-radius:999px; border:1px solid var(--line); background:#fff; font-size:14px}
  
  .faq{
    background:#fff; border:1px solid var(--line); border-radius:14px;
    padding:12px; margin:10px 0;
  }
  .faq summary{cursor:pointer; font-weight:700}
  .faq p{margin:10px 0 0; color:var(--muted)}
  
  .contact{background:#111; color:#fff}
  .contact .sub,.contact .small{color:#cfcfcf}
  .form{margin-top:12px}
  .form label{display:block; font-size:14px; margin-bottom:12px}
  .form input,.form textarea{
    width:100%; margin-top:6px; padding:12px; border-radius:12px;
    border:1px solid #333; background:#0f0f0f; color:#fff;
  }
  .row{display:grid; grid-template-columns: 1fr 1fr; gap:12px}
  .submit{
    width:100%; padding:12px; border-radius:12px; border:0;
    background:var(--accent); color:#fff; font-weight:800; cursor:pointer;
  }
  
  .site-footer{border-top:1px solid var(--line); padding:26px 0}
  .footer-title{margin:0 0 6px; font-weight:800}
  
  @media (max-width: 860px){
    .hero-inner{grid-template-columns:1fr}
    .grid{grid-template-columns:1fr}
    .ba{grid-template-columns:1fr}
    .quotes{grid-template-columns:1fr}
    .row{grid-template-columns:1fr}
    h1{font-size:28px}
  }