:root {
  /* Color */
  --color-text: #000;
  --color-bg: #fff;
  --color-primary: #862923;
  --color-accent: #d95b4e;
  --color-muted: #f8f8f2;

  /* Typography */
  --font-base: system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, "Noto Sans JP", "Hiragino Sans",
    "Yu Gothic", sans-serif;
}

body {
  font-family: var(--font-base);
  font-size: 1.4rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  letter-spacing: 0.03em;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  opacity: 0.7;
}

ul,
ol {
  list-style: none;
  padding: 0;
}