:root {
  --primary: #1A1A1A;
  --bg-color: #F8F7F2;
  --panel-bg: #FFFFFF;
  --text-main: #1A1A1A;
  --text-muted: #555555;
  --border-color: #D1D1D1;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans KR", sans-serif;
  background: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  display: block;
  overflow-y: auto;
  padding: 40px 20px;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  background: var(--panel-bg);
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}

header {
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 32px;
  padding-bottom: 16px;
}

h1 {
  font-family: 'Noto Serif KR', serif;
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.date {
  font-size: 0.9rem;
  color: var(--text-muted);
}

section {
  margin-bottom: 32px;
}

h2 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  border-left: 4px solid var(--primary);
  padding-left: 12px;
}

p {
  margin-bottom: 12px;
}

ul {
  margin-bottom: 12px;
  padding-left: 20px;
}

li {
  margin-bottom: 8px;
}

footer {
  margin-top: 48px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.back-link {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.back-link:hover {
  color: var(--primary);
  text-decoration: underline;
}

@media (max-width: 600px) {
  body { padding: 20px 16px; }
  .container { padding: 24px; }
  h1 { font-size: 1.5rem; }
}