:root {
  color-scheme: light;
  --bg: #fff7f2;
  --bg-soft: #fffaf7;
  --card: rgba(255, 252, 249, 0.96);
  --ink: #4a342d;
  --muted: #8b7168;
  --accent: #b85a4f;
  --accent-soft: #fce8e2;
  --apricot: #e7a36f;
  --line: #eed7ce;
  --notice: #fff0e7;
  --shadow: 0 12px 30px rgba(151, 91, 74, 0.09);
}
* { box-sizing: border-box; }
html {
  background:
    radial-gradient(circle at top left, rgba(255, 225, 214, 0.5), transparent 36%),
    radial-gradient(circle at top right, rgba(255, 238, 213, 0.6), transparent 32%),
    linear-gradient(180deg, #fffaf7 0%, #fff7f2 100%);
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  background: transparent;
  color: var(--ink);
  line-height: 1.9;
}
header, main, footer {
  width: min(780px, calc(100% - 36px));
  margin: auto;
}
header {
  padding: 34px 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  font-weight: 900;
  font-size: 20px;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: .02em;
}
nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
nav a, footer a, main a { color: var(--accent); }
nav a {
  text-decoration: none;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 244, 238, 0.9);
  border: 1px solid #f1d7ce;
}
footer a {
  text-decoration: none;
  font-weight: 700;
  font-size: 13px;
}
main { padding: 18px 0 52px; }
h1 {
  font-size: 30px;
  line-height: 1.45;
  margin: 14px 0 12px;
  letter-spacing: .01em;
}
h2 { font-size: 20px; margin: 34px 0 10px; }
h3 { font-size: 16px; margin: 22px 0 8px; }
p, li { color: #6b5149; font-size: 14px; }
ul { padding-left: 22px; }
.lead { color: var(--muted); font-size: 15px; }
.card {
  background: var(--card);
  border-radius: 24px;
  padding: 24px;
  margin-top: 20px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
}
.notice {
  background: linear-gradient(135deg, #fff0e7 0%, #fff5e8 100%);
  border-radius: 20px;
  padding: 18px;
  margin-top: 20px;
  border: 1px solid #f2d6c9;
  box-shadow: 0 9px 20px rgba(190, 115, 88, 0.08);
}
.small { color: #92796f; font-size: 12px; }
label {
  display: block;
  font-size: 13px;
  font-weight: 800;
  margin: 14px 0 6px;
  color: #5a4139;
}
input, textarea {
  width: 100%;
  border: 1px solid #ead3ca;
  background: #fffaf7;
  border-radius: 16px;
  padding: 13px 14px;
  font: inherit;
  font-size: 16px;
  color: var(--ink);
  box-shadow: inset 0 1px 2px rgba(135, 83, 67, 0.04);
}
input:focus, textarea:focus {
  outline: none;
  border-color: #d99182;
  box-shadow: 0 0 0 4px rgba(217, 145, 130, 0.16);
}
textarea { min-height: 180px; resize: vertical; }
button {
  width: 100%;
  margin-top: 18px;
  border: 0;
  border-radius: 16px;
  padding: 15px 18px;
  background: linear-gradient(180deg, #c96b5d 0%, #b85a4f 100%);
  color: #fffaf7;
  font-weight: 900;
  font-size: 15px;
  cursor: pointer;
  box-shadow: 0 10px 18px rgba(184, 90, 79, 0.22);
}
button:hover { filter: brightness(1.03); }
.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
footer {
  border-top: 1px solid var(--line);
  padding: 26px 0 42px;
  color: #92796f;
  font-size: 12px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
@media (max-width: 560px) {
  header { align-items: flex-start; flex-direction: column; }
  nav { justify-content: flex-start; }
  h1 { font-size: 27px; }
  .card, .notice { border-radius: 20px; }
}