@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@200;400&display=swap');

:root {
  --primary-bg: #fafafa;
  --secondary-bg: #f5f5f5;
  --accent-bg: #ececec;
  --text-primary: #333333;
  --text-secondary: #666666;
  --text-light: #999999;
  --border-color: #e5e5e5;
  --shadow-light: rgba(0, 0, 0, 0.05);
  --shadow-medium: rgba(0, 0, 0, 0.08);
  --font-serif: 'Noto Serif SC', serif;
}

body {
  font-family: var(--font-serif);
  font-weight: 200;
  background-color: var(--primary-bg);
  color: var(--text-primary);
  line-height: 1.8;
  letter-spacing: 0.05em;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 400;
  letter-spacing: 0.08em;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--text-secondary);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.shadow-light {
  box-shadow: 0 4px 12px var(--shadow-light);
}

.shadow-medium {
  box-shadow: 0 8px 24px var(--shadow-medium);
}

.fade-in {
  animation: fadeIn 1.5s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}