:root{
  --bg:#f8fafc;
  --card:#fff;
  --line:#e5e7eb;
  --text:#0f172a;
  --muted:#64748b;
  --accent:#fb7185;
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; background:var(--bg); color:var(--text);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans JP","Hiragino Kaku Gothic ProN",sans-serif;
}

.wrap{ max-width:1100px; margin:0 auto; padding:18px; }

.top{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; flex-wrap:wrap; padding:8px 0 14px;
}
.logo{ font-weight:900; text-decoration:none; color:var(--text); font-size:16px; }
.nav{ display:flex; gap:14px; align-items:center; flex-wrap:wrap; }
.nav a{ text-decoration:none; color:var(--muted); font-weight:700; font-size:13px; }
.nav a:hover{ color:var(--text); }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:10px 14px; border-radius:999px;
  border:1px solid #fb718533;
  background:linear-gradient(180deg,#fff 0%,#fff0f3 100%);
  font-weight:900; text-decoration:none; color:var(--text);
  box-shadow:0 18px 45px rgba(15,23,42,.08);
}
.btn:active{ transform:translateY(1px); }
.btn.ghost{
  border-color:var(--line);
  background:#fff;
}
.btn.sm{ padding:8px 12px; font-size:12px; }

.hero{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap:18px;
  align-items:center;
  margin-top:10px;
}
@media (max-width: 900px){
  .hero{ grid-template-columns:1fr; }
}

.badge{
  display:inline-block;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
  font-weight:800;
  font-size:12px;
}
.hero h1{
  margin:10px 0 10px;
  font-size:44px;
  line-height:1.1;
}
@media (max-width: 900px){
  .hero h1{ font-size:36px; }
}
.lead{ color:var(--muted); font-size:16px; line-height:1.7; }
.mini{ margin-top:10px; font-size:12px; }

.cta{ display:flex; gap:12px; margin-top:14px; flex-wrap:wrap; }
.cta.wide{ margin-top:16px; }
.muted{ color:var(--muted); }

.heroImg{
  margin:0;
  border-radius:18px;
  border:1px solid var(--line);
  background:#fff;
  overflow:hidden;
  box-shadow:0 26px 70px rgba(15,23,42,.12);
}
.heroImg img{ width:100%; height:auto; display:block; }

.section{ margin-top:34px; }
.section h2{ margin:0 0 12px; font-size:22px; }
.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
}
@media (max-width: 900px){
  .grid{ grid-template-columns:1fr; }
}
.card{
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--card);
  padding:14px;
  box-shadow:0 18px 45px rgba(15,23,42,.06);
}
.card h3{ margin:0 0 6px; font-size:16px; }
.card p{ margin:0; color:var(--muted); line-height:1.7; font-size:14px; }

.steps{
  margin:0;
  padding-left: 18px;
  color:var(--muted);
  line-height:1.9;
}
.steps b{ color:var(--text); }

.qa{
  border:1px solid var(--line);
  border-radius:16px;
  background:#fff;
  padding:12px 14px;
  margin:10px 0;
  box-shadow:0 18px 45px rgba(15,23,42,.06);
}
.qa summary{ cursor:pointer; font-weight:900; }
.qa p{ margin:10px 0 0; color:var(--muted); line-height:1.7; }

.end{
  text-align:center;
  padding: 18px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
  box-shadow:0 18px 45px rgba(15,23,42,.06);
}

.foot{
  margin: 26px 0 10px;
  text-align:center;
  font-size:12px;
}