:root {
  --bg: #f4f0e8;
  --card: #fffdf8;
  --ink: #2c2419;
  --muted: #6b5e4e;
  --accent: #8b5a2b;
  --line: #e0d5c4;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Malgun Gothic", "맑은 고딕", sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 20px;
  line-height: 1.5;
}
.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}
.brand {
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 700;
  margin: 0 0 8px;
}
h1 {
  font-size: 1.85rem;
  margin: 0 0 10px;
}
.lead {
  color: var(--muted);
  margin: 0 0 28px;
  font-size: 1.05rem;
}
.hub-card {
  display: block;
  width: 100%;
  text-align: left;
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 14px;
  padding: 20px 22px;
  margin: 0 0 14px;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  font: inherit;
}
.hub-card:hover, .hub-card:focus {
  border-color: var(--accent);
  outline: none;
}
.hub-card strong {
  display: block;
  font-size: 1.25rem;
  margin-bottom: 6px;
}
.hub-card span {
  display: block;
  color: var(--muted);
  font-size: 0.95rem;
}
.as-btn { appearance: none; }
.foot {
  margin-top: 28px;
  font-size: 0.9rem;
  color: var(--muted);
}
.foot a { color: var(--accent); }
.modal {
  position: fixed;
  inset: 0;
  background: rgba(30, 24, 16, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 50;
}
.modal.hidden { display: none; }
.modal-card {
  background: var(--card);
  border-radius: 16px;
  padding: 24px;
  width: min(420px, 100%);
  border: 2px solid var(--line);
}
.modal-card h2 { margin: 0 0 8px; font-size: 1.35rem; }
.hint { color: var(--muted); font-size: 0.9rem; margin: 0 0 14px; }
.inp {
  width: 100%;
  font-size: 1.15rem;
  padding: 12px 14px;
  border: 2px solid var(--line);
  border-radius: 10px;
}
.err { color: #a33; min-height: 1.4em; margin: 10px 0; }
.row { display: flex; gap: 10px; justify-content: flex-end; }
.btn {
  font-size: 1.1rem;
  padding: 12px 20px;
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}
.btn.ghost {
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--line);
}
@media (min-width: 700px) {
  body { font-size: 22px; }
  h1 { font-size: 2.1rem; }
}
.lbl { display:block; font-weight:700; margin:16px 0 6px; }
.btn.block { display:block; width:100%; margin:18px 0 10px; text-align:center; }
.inp.tall { min-height:280px; font-size:1.05rem; line-height:1.55; resize:vertical; }