:root {
  --bg: #FBF7F0;
  --text: #222222;
  --heading: #3A2A1A;
  --accent: #D9C5A3;
  --footer-bg: #3A2A1A;
  --footer-text: #FBF7F0;
  color-scheme: light;
}

html, body {
  background-color: #FBF7F0 !important;
  color: #222222 !important;
}

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

body {
  font-family: system-ui, -apple-system, "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  background-color: var(--bg);
  color: var(--text);
}

.workshop-banner {
  background-color: var(--accent);
  color: var(--heading);
  text-align: center;
  padding: 10px 24px;
  font-size: 0.85rem;
  font-weight: bold;
  border-bottom: 2px solid var(--heading);
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  text-align: center;
  padding: 3rem 0 1.5rem;
  border-bottom: 2px solid var(--accent);
}

.site-header h1 {
  font-size: 2.5rem;
  color: var(--heading);
  letter-spacing: 0.2em;
}

.site-nav {
  display: flex;
  gap: 2rem;
  justify-content: center;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--accent);
}

.site-nav a {
  color: var(--heading);
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
}

.site-nav a:hover {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 3px;
}

main section {
  margin-top: 3rem;
}

h2 {
  font-size: 1.6rem;
  color: var(--heading);
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--accent);
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.1rem;
  color: var(--heading);
  margin-top: 1.8rem;
  margin-bottom: 0.8rem;
}

h4 {
  font-size: 0.95rem;
  color: var(--heading);
  margin-bottom: 0.3rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

th {
  background-color: var(--accent);
  color: var(--heading);
  font-weight: bold;
  text-align: left;
  padding: 8px 12px;
  font-size: 0.9rem;
}

td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--accent);
  color: var(--text);
}

tr:last-child td {
  border-bottom: none;
}

tr.closed td {
  color: #888;
}

ul {
  list-style: disc;
  padding-left: 1.4rem;
  margin-bottom: 1rem;
}

ul li {
  margin-bottom: 0.3rem;
}

.note {
  font-size: 0.85rem;
  color: #555;
  margin-top: 0.5rem;
}

.payment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.payment-block {
  background-color: var(--accent);
  border-radius: 6px;
  padding: 12px 16px;
}

.payment-block h4 {
  margin-bottom: 0.4rem;
}

.payment-block p {
  font-size: 0.9rem;
  color: var(--text);
}

.site-footer {
  margin-top: 3rem;
  background-color: var(--footer-bg);
  color: var(--footer-text);
  text-align: center;
  padding: 1.2rem 24px;
  font-size: 0.85rem;
  border-radius: 4px 4px 0 0;
}

.site-footer p {
  color: var(--footer-text);
}