:root{
  --brand:#10b981;
  --brand-dark:#059669;
  --brand-light:#d1fae5;
  --brand-soft:#ecfdf5;
  --heading:#0f172a;
  --body:#334155;
  --muted:#64748b;
  --border:#e5e7eb;
  --bg:#ffffff;
  --bg-alt:#f8fafc;
  --bg-page:#f6f8f7;
  --radius:10px;
  --radius-lg:14px;
  --shadow:0 1px 2px rgba(15,23,42,.04),0 4px 12px rgba(15,23,42,.04);
  --shadow-lg:0 10px 30px rgba(15,23,42,.08);
  --max:1080px;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic UI",Meiryo,sans-serif;
  color:var(--body);background:var(--bg);line-height:1.75;font-size:15px;-webkit-font-smoothing:antialiased;
}
a{color:var(--brand-dark);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;display:block;}

/* Header */
.site-header{position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--border);z-index:50;}
.site-header .inner{max-width:var(--max);margin:0 auto;padding:14px 20px;display:flex;align-items:center;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--heading);font-size:17px;}
.brand .mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;font-size:15px;font-weight:800;letter-spacing:.5px;}
.nav{margin-left:auto;display:flex;gap:22px;align-items:center;}
.nav a{font-size:13.5px;color:var(--body);font-weight:600;}
.nav a.active{color:var(--brand-dark);}
.nav .cta{background:var(--brand);color:#fff;padding:9px 16px;border-radius:8px;font-weight:700;font-size:13px;}
.nav .cta:hover{background:var(--brand-dark);text-decoration:none;}
.nav-toggle{display:none;background:none;border:none;font-size:22px;cursor:pointer;color:var(--heading);}

/* Hero */
.hero{position:relative;background:linear-gradient(135deg,#ecfdf5 0%,#f0fdf4 50%,#ffffff 100%);padding:80px 20px 88px;overflow:hidden;}
.hero::before{content:"";position:absolute;top:-100px;right:-120px;width:380px;height:380px;background:radial-gradient(closest-side,rgba(16,185,129,.18),transparent);border-radius:50%;}
.hero::after{content:"";position:absolute;bottom:-80px;left:-80px;width:280px;height:280px;background:radial-gradient(closest-side,rgba(5,150,105,.12),transparent);border-radius:50%;}
.hero-inner{max-width:var(--max);margin:0 auto;position:relative;z-index:1;text-align:center;}
.hero .eyebrow{display:inline-block;background:#fff;color:var(--brand-dark);font-size:12px;font-weight:700;padding:6px 14px;border-radius:999px;border:1px solid var(--brand-light);margin-bottom:20px;}
.hero h1{font-size:40px;line-height:1.4;color:var(--heading);font-weight:800;margin:0 0 18px;letter-spacing:.01em;}
.hero h1 .accent{color:var(--brand-dark);}
.hero .lead{font-size:17px;color:var(--body);max-width:680px;margin:0 auto 32px;line-height:1.85;}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:10px;font-size:14.5px;font-weight:700;border:none;cursor:pointer;transition:transform .15s,box-shadow .15s;}
.btn.primary{background:var(--brand);color:#fff;box-shadow:var(--shadow);}
.btn.primary:hover{background:var(--brand-dark);text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-lg);}
.btn.ghost{background:#fff;color:var(--brand-dark);border:1.5px solid var(--brand-light);}
.btn.ghost:hover{background:var(--brand-soft);text-decoration:none;}

/* Section */
.section{padding:80px 20px;}
.section.alt{background:var(--bg-alt);}
.section-inner{max-width:var(--max);margin:0 auto;}
.section-head{text-align:center;margin-bottom:48px;}
.section-head .label{display:inline-block;font-size:12px;font-weight:700;color:var(--brand-dark);letter-spacing:.15em;text-transform:uppercase;margin-bottom:10px;}
.section-head h2{font-size:30px;color:var(--heading);font-weight:800;margin:0 0 14px;line-height:1.4;}
.section-head .desc{font-size:15px;color:var(--muted);max-width:620px;margin:0 auto;}

/* Card grid */
.grid{display:grid;gap:20px;}
.grid.col-2{grid-template-columns:repeat(2,1fr);}
.grid.col-3{grid-template-columns:repeat(3,1fr);}

.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s;}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.card .icon{width:46px;height:46px;border-radius:12px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px;}
.card h3{font-size:17px;color:var(--heading);font-weight:700;margin:0 0 10px;}
.card p{font-size:14px;color:var(--body);margin:0;line-height:1.85;}

/* Problem section */
.problem-list{max-width:780px;margin:0 auto;display:grid;gap:14px;}
.problem-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;display:flex;align-items:flex-start;gap:14px;font-size:15px;color:var(--body);}
.problem-item::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--brand);margin-top:10px;flex-shrink:0;}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.step{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;text-align:center;position:relative;}
.step .num{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;font-size:14px;margin-bottom:14px;}
.step h4{font-size:15px;font-weight:700;color:var(--heading);margin:0 0 8px;}
.step p{font-size:13px;color:var(--muted);margin:0;line-height:1.7;}

/* CTA block */
.cta-block{background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;border-radius:var(--radius-lg);padding:48px 32px;text-align:center;margin:0 auto;}
.cta-block h2{font-size:24px;font-weight:800;margin:0 0 12px;color:#fff;}
.cta-block p{font-size:15px;margin:0 0 24px;opacity:.92;}
.cta-block .btn.primary{background:#fff;color:var(--brand-dark);}
.cta-block .btn.primary:hover{background:#f9fafb;}

/* Info table */
.info-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;}
.info-table th,.info-table td{padding:16px 22px;text-align:left;font-size:14px;border-bottom:1px solid var(--border);}
.info-table tr:last-child th,.info-table tr:last-child td{border-bottom:none;}
.info-table th{background:var(--bg-alt);width:200px;font-weight:600;color:var(--heading);}
.info-table td{color:var(--body);}

/* Person card */
.persons{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.person{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;}
.person .role{font-size:11px;font-weight:700;color:var(--brand-dark);letter-spacing:.1em;text-transform:uppercase;margin-bottom:6px;}
.person h3{font-size:20px;color:var(--heading);font-weight:700;margin:0 0 4px;}
.person .title{font-size:13px;color:var(--muted);margin-bottom:14px;}
.person p{font-size:13.5px;color:var(--body);margin:0;line-height:1.85;}

/* Form */
.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;max-width:680px;margin:0 auto;box-shadow:var(--shadow);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--heading);margin-bottom:8px;}
.field label .req{color:#dc2626;font-size:11px;margin-left:4px;}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;font-size:15px;border:1.5px solid #d1d5db;border-radius:8px;background:#fff;font-family:inherit;color:var(--body);min-height:48px;-webkit-appearance:none;appearance:none;}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);}
.field textarea{min-height:140px;resize:vertical;line-height:1.7;}
.field .hint{font-size:12px;color:var(--muted);margin-top:6px;}

/* Footer */
.site-footer{background:#0f172a;color:#cbd5e1;padding:48px 20px 32px;}
.footer-inner{max-width:var(--max);margin:0 auto;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.08);}
.footer-brand{font-size:16px;font-weight:700;color:#fff;margin-bottom:10px;display:flex;align-items:center;gap:10px;}
.footer-brand .mark{background:rgba(16,185,129,.18);color:#34d399;}
.footer-desc{font-size:13px;color:#94a3b8;line-height:1.85;}
.footer-col h4{font-size:12px;color:#fff;font-weight:700;margin:0 0 14px;letter-spacing:.1em;text-transform:uppercase;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:8px;}
.footer-col a{color:#94a3b8;font-size:13px;}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-bottom{padding-top:24px;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#64748b;flex-wrap:wrap;gap:10px;}

/* Responsive */
@media (max-width:768px){
  .hero{padding:56px 18px 64px;}
  .hero h1{font-size:28px;line-height:1.45;}
  .hero .lead{font-size:15px;}
  .section{padding:56px 18px;}
  .section-head h2{font-size:23px;}
  .grid.col-2,.grid.col-3,.steps,.persons{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .info-table th{width:130px;padding:14px 16px;font-size:13px;}
  .info-table td{padding:14px 16px;font-size:13px;}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);flex-direction:column;align-items:stretch;padding:14px 20px;gap:6px;}
  .nav.open{display:flex;}
  .nav a{padding:10px 0;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
}