:root{
  --bg:#f7f7f5;
  --paper:#ffffff;
  --ink:#1f2528;
  --muted:#667078;
  --line:#e2e5e7;
  --accent:#1f5f55;
  --accent-soft:#e9f2ef;
  --warm:#f4eee5;
  --max:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  line-height:1.75;
}
a{color:var(--accent)}
.wrap{width:min(calc(100% - 32px),var(--max));margin:auto}
.site-header{background:rgba(247,247,245,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;backdrop-filter:blur(8px)}
.site-header .inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:66px}
.brand{font-weight:800;text-decoration:none;color:var(--ink);letter-spacing:.02em}
nav{display:flex;gap:18px;font-size:.93rem}
nav a{text-decoration:none;color:var(--muted)}
.hero{padding:78px 0 52px}
.eyebrow{font-size:.86rem;font-weight:800;color:var(--accent);letter-spacing:.08em;text-transform:uppercase}
h1{font-size:clamp(2rem,5vw,4rem);line-height:1.18;letter-spacing:-.025em;margin:.3em 0 .38em}
.lead{font-size:clamp(1.05rem,2vw,1.28rem);color:var(--muted);max-width:760px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}
.chip{background:var(--accent-soft);color:var(--accent);padding:6px 10px;border-radius:999px;font-size:.84rem;font-weight:700}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{display:inline-block;padding:12px 18px;border-radius:10px;text-decoration:none;font-weight:800;border:1px solid var(--accent)}
.btn.primary{background:var(--accent);color:#fff}
.btn.secondary{background:#fff;color:var(--accent)}
.section{padding:58px 0}
.section h2{font-size:clamp(1.5rem,3vw,2.15rem);line-height:1.3;margin:0 0 16px}
.section-intro{color:var(--muted);max-width:760px;margin-bottom:30px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:24px}
.card h3{margin-top:0;line-height:1.4}
.card p:last-child{margin-bottom:0}
.step-no{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--accent);color:white;font-weight:900;margin-bottom:12px}
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.flow .card{position:relative}
.note{background:var(--warm);border-radius:14px;padding:18px 20px}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
th,td{text-align:left;padding:13px 15px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#f1f3f2}
tr:last-child td{border-bottom:0}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:10px 0}
.faq summary{font-weight:800;cursor:pointer}
.product-card{display:flex;flex-direction:column;justify-content:space-between}
.product-card .search-intent{font-size:.9rem;color:var(--muted);border-top:1px solid var(--line);margin-top:18px;padding-top:14px}
footer{padding:34px 0 50px;color:var(--muted);border-top:1px solid var(--line);font-size:.9rem}
.small{font-size:.88rem;color:var(--muted)}
.kicker{font-weight:800;color:var(--accent)}
@media(max-width:760px){
  .site-header .inner{align-items:flex-start;flex-direction:column;padding:12px 0}
  nav{flex-wrap:wrap}
  .grid,.grid.two,.flow{grid-template-columns:1fr}
  .hero{padding-top:52px}
  table{font-size:.9rem}
  th,td{padding:10px}
}