:root {
  writing-mode: vertical-rl;
}
html,
body {
  width: 100%;
  height: 100%;
}
body {
  margin: 0;
  background-color: white;
  color: rgba(0, 0, 0, 0.8);
  font-size: 1.2rem;
  font-family: 'Noto Sans TC', 'Noto Sans KR', sans-serif;
}

button,
input,
select,
textarea {
  border: none;
  background: none;
  color: inherit;
  font: inherit;
}
button:not(:disabled),
input[type=submit]:not(:disabled) {
  cursor: pointer;
}
a {
  text-decoration: none;
  color: inherit;
}

.flex {
  flex: auto;
}

sheep-btn {
  right: auto;
  left: 10px;
}