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

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

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

body {
  font-family: system-ui, -apple-system, "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  margin: 0;
  padding: 0;
}

.workshop-banner {
  background-color: var(--accent);
  color: var(--heading);
  padding: 12px 24px;
  font-size: 0.9rem;
  text-align: center;
}

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

header {
  padding-top: 3rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--accent);
}

h1 {
  font-size: 2.5rem;
  color: var(--heading);
  margin: 0;
  letter-spacing: 0.1em;
}

h2 {
  font-size: 1.6rem;
  color: var(--heading);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 0.4rem;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1rem;
  color: var(--heading);
  margin-top: 1.2rem;
  margin-bottom: 0.4rem;
}

section {
  margin-top: 3rem;
}

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

th,
td {
  border: 1px solid var(--accent);
  padding: 8px 12px;
  text-align: left;
}

th {
  background-color: var(--accent);
  color: var(--heading);
  font-weight: 600;
}

.note {
  font-size: 0.9rem;
  color: var(--heading);
  margin-top: 0.5rem;
}

.closed {
  color: #888;
}

ul {
  padding-left: 1.4rem;
  margin: 0.4rem 0;
}

footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
  padding: 24px;
  text-align: center;
  margin-top: 3rem;
  font-size: 0.9rem;
}

footer p {
  margin: 0;
}