:root {
  font-family: 'Apple SD Gothic Neo', 'Malgun Gothic', system-ui, sans-serif;
  line-height: 1.4;
  font-weight: 400;
  color: #111827;
  background-color: #f5f5f5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
}

button {
  font-family: inherit;
}
