:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --text: #1a1d23;
  --muted: #5b6270;
  --line: #e3e6eb;
  --brand: #1748c9;
  --accent: #ff7a1a;
  --brand-ink: #ffffff;
  --ok: #157f3b;
  --err: #c62828;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317;
    --surface: #1a1d23;
    --text: #eef0f3;
    --muted: #a3a9b5;
    --line: #2c313a;
    --brand: #6f97ff;
    --accent: #ff8c3a;
    --brand-ink: #0b1020;
    --ok: #5fd08a;
    --err: #ff7a7a;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  word-break: keep-all;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px; }
header.top { padding: 20px 0; }
header.top a.logo { display: inline-block; line-height: 0; }
header.top a.logo img { height: 34px; width: auto; }
h1 { font-size: 30px; line-height: 1.3; margin: 24px 0 12px; }
h2 { font-size: 21px; margin: 36px 0 10px; }
h3 { font-size: 17px; margin: 22px 0 6px; }
p, li { color: var(--text); }
.muted { color: var(--muted); }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  margin: 16px 0;
}
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.steps li { display: flex; gap: 14px; align-items: flex-start; }
.steps b.n {
  flex: none; width: 30px; height: 30px; border-radius: 50%;
  background: var(--brand); color: var(--brand-ink);
  display: grid; place-items: center; font-size: 15px;
}
.btn {
  display: inline-block; border: 0; cursor: pointer;
  background: var(--brand); color: var(--brand-ink);
  font: inherit; font-weight: 700; text-decoration: none;
  padding: 14px 22px; border-radius: 12px; min-height: 52px;
}
.btn.secondary { background: transparent; color: var(--brand); border: 2px solid var(--brand); }
.btn:disabled { opacity: .6; cursor: default; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }
label { display: block; font-weight: 700; margin-bottom: 8px; }
input[type="tel"] {
  width: 100%; font: inherit; font-size: 20px; letter-spacing: .5px;
  padding: 12px 14px; border-radius: 12px; border: 2px solid var(--line);
  background: var(--bg); color: var(--text);
}
input[type="tel"]:focus { outline: none; border-color: var(--brand); }
.msg { margin-top: 14px; font-weight: 700; }
.msg.ok { color: var(--ok); }
.msg.err { color: var(--err); }
footer { margin: 48px 0 32px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
footer a { color: var(--muted); }
footer nav { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 8px; }
.policy h2 { font-size: 18px; }
.policy li { margin: 4px 0; }
.draft { background: #fff4d6; color: #6b4e00; border-radius: 10px; padding: 10px 14px; font-size: 15px; }
@media (prefers-color-scheme: dark) { .draft { background: #3a2f10; color: #f3d98a; } }