body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: #f6f6f6;
  color: #333;
}

.header {
  background: #2f7d32;
  color: #fff;
  padding: 16px;
  text-align: center;
}

.subtitle {
  font-size: 0.9rem;
  opacity: 0.9;
}

.nav {
  background: #e0e0e0;
  padding: 10px;
  display: flex;
  gap: 12px;
  justify-content: center;
}

.nav a {
  text-decoration: none;
  color: #2f7d32;
  font-weight: bold;
}

.container {
  max-width: 700px;
  margin: 20px auto;
  background: #fff;
  padding: 20px;
  border-radius: 6px;
}

.form label {
  display: block;
  margin-bottom: 12px;
}

.form input,
.form textarea {
  width: 100%;
  padding: 8px;
  margin-top: 4px;
  box-sizing: border-box;
}

.form button {
  width: 100%;
  padding: 12px;
  background: #2f7d32;
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
}

.notice {
  background: #fff7cc;
  padding: 10px;
  border-left: 4px solid #d4b400;
  margin-bottom: 16px;
}

.footer {
  text-align: center;
  font-size: 0.8rem;
  color: #666;
  padding: 16px;
}