:root {
  --ink: #17231f;
  --muted: #55625d;
  --line: #dfe6e2;
  --bg: #f6f8f6;
  --card: #ffffff;
  --brand: #1f6f50;
  --brand-dark: #165339;
  --accent: #e8f3ee;
  --warn: #9a3412;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--brand); }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }
header.site { background: var(--card); border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 64px; }
.logo { font-weight: 800; font-size: 20px; letter-spacing: -0.3px; color: var(--ink); text-decoration: none; }
.logo span { color: var(--brand); }
nav a { margin-left: 18px; color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover { color: var(--ink); }
.hero { padding: 64px 0 40px; }
.hero h1 { font-size: clamp(30px, 5vw, 44px); line-height: 1.15; letter-spacing: -0.8px; margin: 0 0 16px; }
.hero p.lead { font-size: 19px; color: var(--muted); max-width: 640px; margin: 0 0 24px; }
.pill { display: inline-block; background: var(--accent); color: var(--brand-dark); font-weight: 600;
  font-size: 14px; padding: 4px 12px; border-radius: 999px; margin-bottom: 16px; }
section { padding: 36px 0; }
h2 { font-size: 26px; letter-spacing: -0.4px; margin: 0 0 16px; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.num { display: inline-flex; width: 28px; height: 28px; border-radius: 50%; background: var(--brand);
  color: #fff; font-weight: 700; font-size: 15px; align-items: center; justify-content: center; margin-bottom: 10px; }
.price { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.price .amount { font-size: 28px; font-weight: 800; margin: 4px 0; color: var(--ink); }
ul.clean { padding-left: 20px; margin: 8px 0 0; }
ul.clean li { margin: 4px 0; }
.faq dt { font-weight: 700; margin-top: 16px; }
.faq dd { margin: 4px 0 0; color: var(--muted); }
footer.site { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer.site a { color: var(--muted); }
/* form */
form .field { margin-bottom: 22px; }
label.title { display: block; font-weight: 700; margin-bottom: 6px; }
.hint { color: var(--muted); font-size: 14px; margin: -2px 0 8px; }
input[type=text], input[type=email], input[type=tel], select {
  width: 100%; font: inherit; padding: 11px 12px; border: 1px solid #c9d3ce; border-radius: 8px; background: #fff; color: var(--ink);
}
input:focus, select:focus { outline: 2px solid var(--brand); outline-offset: 1px; border-color: var(--brand); }
.checks { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 6px 16px; }
.checks label { display: flex; gap: 8px; align-items: flex-start; font-weight: 400; }
.checks input { margin-top: 6px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .row2 { grid-template-columns: 1fr; } nav a { margin-left: 12px; } }
button {
  font: inherit; font-weight: 700; background: var(--brand); color: #fff; border: 0; border-radius: 8px;
  padding: 13px 22px; cursor: pointer;
}
button:hover { background: var(--brand-dark); }
button:disabled { opacity: 0.6; cursor: default; }
.notice { background: var(--accent); border-radius: 10px; padding: 14px 16px; margin-bottom: 22px; }
.error { color: var(--warn); font-weight: 600; }
.hidden { display: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }