*{
  box-sizing:border-box;
}

html,
body{
  margin:0;
  min-height:100vh;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;
  background:var(--bg);
  color:var(--text);
}

button,
input,
textarea,
select{
  font:inherit;
}

button{
  border:none;
  background:none;
  cursor:pointer;
}