:root{
  --bg:#fffaf4;
  --primary:#ff8f3d;
  --primary-600:#ff7a1a;
  --primary-100:#ffe6d0;
  --text:#1b1b1f;
  --muted:#6b6f76;
  --border:#eee2d6;
  --surface:#ffffff;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Inter","Noto Sans JP",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
}

.container{max-width:1080px;margin:0 auto;padding:0 20px}
.center{text-align:center}
.mt-24{margin-top:24px}

/* Header */
.site-header{
  position:sticky;top:0;background:rgba(255,255,255,0.8);
  backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--border);z-index:1000;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:700;color:var(--text);text-decoration:none;letter-spacing:.2px}
.nav a{margin-left:20px;text-decoration:none;color:var(--text)}
.nav a:hover{color:var(--primary)}
.nav-toggle{display:none;background:none;border:none;font-size:22px}

/* Hero */
.hero{padding:72px 0;background:linear-gradient(180deg, var(--primary-100), transparent)}
.hero-inner{display:grid;grid-template-columns:1.3fr .7fr;gap:32px}
.hero-copy h1{font-size:34px;line-height:1.25;margin:0 0 14px}
.hero-copy p{color:var(--muted);margin:0 0 18px}
.hero-bullets{list-style:none;padding:0;margin:14px 0 0;display:flex;gap:18px;flex-wrap:wrap}
.hero-bullets li{background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:8px 12px;font-size:14px}

.hero-visual{display:grid;gap:12px;align-content:start}
.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:0 2px 8px rgba(0,0,0,.04)}
.card.stat{display:flex;align-items:center;gap:12px}
.stat-value{font-weight:700;font-size:28px;color:var(--primary-600)}
.stat-label{color:var(--muted)}

/* Sections */
.trust{padding:48px 0}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature h3{margin:0 0 6px}
.feature p{margin:0;color:var(--muted)}

.categories{padding:48px 0}
.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.cards .card.link{text-decoration:none;color:inherit}
.cards .card.link h4{margin:0 0 6px}
.cards .card.link p{margin:0;color:var(--muted)}

.cta-band{padding:40px 0;background:linear-gradient(90deg, var(--primary-100), transparent)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.cta-inner h2{margin:0}
.cta-inner p{margin:0;color:var(--muted)}

/* Footer */
.site-footer{background:var(--surface);border-top:1px solid var(--border);margin-top:48px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px;padding:24px 0}
.footer-col h4{margin:0 0 10px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin:6px 0}
.footer-col ul li a{color:var(--text)}
.footer-col ul li a:hover{color:var(--primary)}
.footer-bottom{padding:12px 0;border-top:1px solid var(--border);color:var(--muted)}

/* Buttons */
.btn{display:inline-block;border-radius:999px;padding:10px 16px;font-weight:600;text-decoration:none}
.btn-primary{background:var(--primary);color:white;border:1px solid var(--primary-600)}
.btn-primary:hover{background:var(--primary-600)}
.btn-outline{border:1px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-ghost{background:transparent;border:1px solid transparent;color:var(--text)}
.btn-ghost:hover{border-color:var(--border)}

/* Responsive */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr}
  .grid-5{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .nav{display:none}
  .nav a{margin-left:0.2em;font-size:0.3em}
  .nav-toggle{display:block}
}