:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Noto Sans KR", sans-serif;
  background: #edf4e8;
  color: #294739;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(255, 231, 173, .55), transparent 32rem),
    linear-gradient(145deg, #edf5e8, #dcebdd);
}

main {
  width: min(760px, calc(100% - 32px));
  margin: 36px auto;
  padding: clamp(24px, 5vw, 52px);
  background: rgba(255, 253, 246, .97);
  border: 1px solid #9dbda3;
  border-radius: 24px;
  box-shadow: 0 18px 48px rgba(38, 72, 52, .14);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-bottom: 30px;
}

nav a, a { color: #2f7554; }
h1 { margin: 0 0 8px; font-size: clamp(30px, 7vw, 46px); }
h2 { margin-top: 32px; color: #365e49; }
p, li { line-height: 1.75; }
.muted { color: #66776d; }
.notice {
  padding: 16px 18px;
  border-radius: 14px;
  background: #edf3e5;
  border: 1px solid #c2d3bd;
}

label { display: block; margin: 16px 0 7px; font-weight: 700; }
input, textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid #a9c3ad;
  border-radius: 12px;
  background: #fffef9;
  color: #294739;
  font: inherit;
}
textarea { min-height: 150px; resize: vertical; }
.confirm { display: flex; align-items: flex-start; gap: 10px; margin-top: 18px; }
.confirm input { width: auto; margin-top: 6px; }
button {
  width: 100%;
  margin-top: 20px;
  padding: 15px 18px;
  border: 1px solid #5b9770;
  border-radius: 13px;
  background: #83c9a1;
  color: #234c39;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}
button:disabled { opacity: .55; cursor: wait; }
.danger { background: #efc4b8; border-color: #bc796b; color: #6a322d; }
.result { min-height: 30px; margin-top: 16px; font-weight: 700; }
.success { color: #247249; }
.error { color: #a13e3e; }
.honeypot { position: absolute; left: -10000px; }

footer {
  margin-top: 38px;
  padding-top: 18px;
  border-top: 1px solid #d7e0d2;
  color: #6b786f;
  font-size: 14px;
}