:root{
  --ink:#08243a; --muted:#5d7182; --brand:#00b894; --brand-dark:#008c7a;
  --accent:#0d8aa3; --bg:#f6fbfa; --card:#ffffff; --line:#e5f0ee; --soft:#e8f8f4;
}
*{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:#fff;line-height:1.75}
img{max-width:100%;display:block;border-radius:22px}
a{color:inherit}
.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;font-weight:800}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--soft);color:var(--brand-dark);font-size:13px}
.header-cta{font-size:13px;text-decoration:none;color:#fff;background:var(--brand);padding:10px 13px;border-radius:999px;font-weight:700}
.section{padding:56px 20px}
.hero{background:linear-gradient(150deg,#f3fbf9 0%,#fff 58%,#e9f8ff 100%);display:grid;gap:28px}
.eyebrow{color:var(--accent);font-weight:800;letter-spacing:.04em;font-size:13px;margin:0 0 8px}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(30px,8vw,62px);line-height:1.22;letter-spacing:-.04em;margin-bottom:16px}
h2{font-size:clamp(25px,6.5vw,42px);line-height:1.35;letter-spacing:-.03em;margin-bottom:12px}
h3{font-size:18px;line-height:1.45;margin-bottom:8px}
.lead{font-size:17px;color:var(--muted)}
.trust{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.trust span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 10px;font-size:13px;font-weight:700}
.btn{display:inline-flex;justify-content:center;align-items:center;width:100%;text-decoration:none;border-radius:15px;padding:16px 18px;font-weight:800;box-shadow:0 14px 28px rgba(0,184,148,.22);margin-top:12px}
.primary{background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff}
.text-link{display:block;text-align:center;margin-top:14px;color:var(--accent);font-size:14px}
.hero-image img{box-shadow:0 24px 60px rgba(8,36,58,.14)}
.section-head{text-align:center;max-width:720px;margin:0 auto 28px}
.section-head p:not(.eyebrow){color:var(--muted)}
.two-col{display:grid;gap:24px;align-items:center;max-width:1060px;margin:auto}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:13px}
.check-list li{position:relative;padding-left:32px;color:var(--muted)}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--soft);color:var(--brand-dark);font-weight:900;font-size:12px}
.cards{display:grid;gap:16px;max-width:1060px;margin:auto}
.card,.mini-card,.voice-card,.price-card,.flow-grid div,details{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 14px 36px rgba(8,36,58,.06)}
.icon{display:grid;place-items:center;width:58px;height:58px;background:var(--soft);border-radius:50%;font-size:28px;margin-bottom:16px}
.solution,.pricing,.faq{background:var(--bg)}
.mini-card{text-align:center}
.mini-card strong{display:block;margin-bottom:6px}
.mini-card span,.card p,.voice-card p,.flow-grid p{color:var(--muted);font-size:14px}
.service-list{display:grid;gap:12px}
.service-list div{padding:18px;border-left:4px solid var(--brand);background:#fff;border-radius:16px}
.avatar{width:68px;height:68px;border-radius:50%;background:var(--soft);display:grid;place-items:center;font-weight:800;color:var(--accent);margin-bottom:14px}
.price-card{background:#fff}
.plan{font-weight:900;font-size:20px}
.price{color:#ff6b45;font-weight:900}
.price span{font-size:72px;line-height:1}
.compact{margin-top:18px}
.flow-grid{display:grid;gap:14px;max-width:1060px;margin:auto}
.flow-grid span{color:var(--accent);font-size:12px;font-weight:900}
.flow-grid strong{display:block;margin:8px 0 4px}
.faq-list{max-width:900px;margin:auto;display:grid;gap:10px}
summary{cursor:pointer;font-weight:800}
details p{color:var(--muted);margin:12px 0 0}
.final-cta{background:linear-gradient(135deg,#e9fbf6,#f5fcff);display:grid;gap:24px;align-items:center}
.footer{background:#062238;color:#fff;text-align:center;padding:36px 20px}
.footer p,.footer small{color:#cde2ec}

@media (min-width:760px){
  .section{padding:82px 44px}
  .hero,.final-cta{grid-template-columns:1fr 0.9fr;align-items:center;padding-inline:44px}
  .btn{width:auto;min-width:300px}
  .two-col{grid-template-columns:.8fr 1fr}
  .two-col.reverse{grid-template-columns:.9fr 1fr}
  .price-layout{grid-template-columns:.8fr 1fr}
  .cards.three{grid-template-columns:repeat(3,1fr)}
  .cards.four,.flow-grid{grid-template-columns:repeat(4,1fr)}
}
@media (min-width:1100px){
  .hero,.final-cta{padding-inline:calc((100vw - 1120px)/2);padding-top:88px;padding-bottom:88px}
}