:root {
  --bg: #f7f1e3;
  --surface: #fffaf0;
  --ink: #3d3528;
  --accent: #a8861d;
  --accent2: #b4413e;
  --border: #d8cdb4;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  line-height: 1.8;
  font-size: 15px;
}

header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
}

header .brand {
  font-size: 18px;
  font-weight: bold;
  color: var(--accent);
  letter-spacing: 2px;
  text-decoration: none;
}

header .brand .q { color: var(--accent2); }

nav { margin-top: 6px; }

nav a {
  color: var(--ink);
  opacity: 0.75;
  text-decoration: none;
  font-size: 12px;
  margin-right: 14px;
}

nav a:hover { opacity: 1; text-decoration: underline; }

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

h1 {
  font-size: 22px;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.updated {
  font-size: 12px;
  opacity: 0.6;
  margin-bottom: 24px;
}

h2 {
  font-size: 16px;
  margin: 28px 0 8px;
  padding-left: 10px;
  border-left: 4px solid var(--accent);
}

p, li { margin-bottom: 8px; }

ul { padding-left: 22px; margin-bottom: 12px; }

a { color: var(--accent); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin: 16px 0;
}

label {
  display: block;
  font-size: 13px;
  font-weight: bold;
  margin: 16px 0 6px;
}

label .req {
  color: var(--accent2);
  font-size: 11px;
  margin-left: 6px;
}

input[type="email"], input[type="text"], select, textarea {
  width: 100%;
  padding: 10px 12px;
  font-size: 15px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

textarea { min-height: 160px; resize: vertical; }

button[type="submit"] {
  margin-top: 20px;
  width: 100%;
  padding: 13px;
  font-size: 15px;
  font-weight: bold;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  letter-spacing: 2px;
}

button[type="submit"]:hover { opacity: 0.9; }

footer {
  text-align: center;
  font-size: 11px;
  opacity: 0.55;
  padding: 24px 0 40px;
}

.note {
  font-size: 12px;
  opacity: 0.7;
}