/* Reset & 基本設定 */
html, body {
  margin: 0;
  padding: 0;
  font-family: system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  background: #fff;
  color: #222;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}