* {
  box-sizing: border-box;
}

html {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 10px;
}

body {
  color: #333333;
  position: relative;
}

a {
  text-decoration: none;
  transition: 0.5s;
}

a:hover {
  opacity: 0.7;
}