:root {
  --ink: #14202e;
  --muted: #4a5868;
  --line: #dde3ea;
  --bg: #ffffff;
  --soft: #f3f6f9;
  --brand: #0f5c4d;
  --brand-ink: #ffffff;
  --accent: #e8f3ef;
  --warn: #fff6e5;
  --warn-line: #f0d9a8;
  --radius: 10px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
}

a { color: var(--brand); }

.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }

header.top {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
header.top .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.logo {
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo svg { flex: none; }
.lang { display: flex; gap: 4px; font-size: 14px; }
.lang a, .lang span {
  padding: 4px 9px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--muted);
  border: 1px solid transparent;
}
.lang span { color: var(--ink); border-color: var(--line); font-weight: 600; }

.hero { padding: 44px 0 28px; }
.hero h1 { font-size: 34px; line-height: 1.2; margin: 0 0 14px; letter-spacing: -0.01em; }
.hero p.lead { font-size: 19px; color: var(--muted); margin: 0 0 22px; }
.price-tag {
  display: inline-block;
  background: var(--accent);
  color: var(--brand);
  font-weight: 700;
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 15px;
  margin-bottom: 16px;
}

.cta { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--brand);
  font-size: 16px;
}
.btn.primary { background: var(--brand); color: var(--brand-ink); }
.btn.ghost { background: var(--bg); color: var(--brand); }

.notice {
  background: var(--warn);
  border: 1px solid var(--warn-line);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin: 8px 0 8px;
  font-size: 15.5px;
}

section { padding: 30px 0; border-top: 1px solid var(--line); }
section h2 { font-size: 24px; margin: 0 0 14px; }
section h3 { font-size: 18px; margin: 18px 0 6px; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.steps li {
  background: var(--soft);
  border-radius: var(--radius);
  padding: 14px 16px 14px 56px;
  position: relative;
}
.steps li b { display: block; margin-bottom: 2px; }
.steps li::before {
  content: attr(data-n);
  position: absolute;
  left: 16px;
  top: 14px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--brand);
  color: var(--brand-ink);
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.card h3 { margin-top: 0; }
.card ul { margin: 0; padding-left: 20px; }
.card li { margin: 3px 0; }

.pricebox {
  border: 2px solid var(--brand);
  border-radius: var(--radius);
  padding: 18px;
}
.pricebox .amount { font-size: 36px; font-weight: 800; color: var(--brand); }
.pricebox ul { padding-left: 20px; margin: 10px 0 0; }

.nots { padding-left: 20px; margin: 0; }
.nots li { margin: 4px 0; }

details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 10px;
}
details summary { cursor: pointer; font-weight: 600; }
details p { margin: 10px 0 0; color: var(--muted); }

.about { display: flex; gap: 16px; align-items: flex-start; }
.about .avatar {
  flex: none;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--brand);
  font-weight: 800;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

footer {
  border-top: 1px solid var(--line);
  padding: 22px 0 40px;
  font-size: 14px;
  color: var(--muted);
}
footer p { margin: 4px 0; }

@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero { padding-top: 30px; }
  .hero h1 { font-size: 27px; }
  .hero p.lead { font-size: 17px; }
  .grid2 { grid-template-columns: 1fr; }
  .btn { flex: 1 1 auto; text-align: center; }
  .logo span.full { display: none; }
}