html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ff4d1f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.dt {
  box-sizing: border-box;
  width: min(272px, 84vw);
  background: #fff;
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
}
.dt__label {
  display: block;
  margin: 0 0 4px;
  font-weight: 700;
  font-size: 12px;
  line-height: 1;
  font-family: inherit;
  color: #17141a;
}
.dt__input {
  box-sizing: border-box;
  width: 100%;
  border: 2px solid transparent;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 600;
  font-size: clamp(14px, 4.2vw, 18px);
  font-family: inherit;
  letter-spacing: 0.04em;
  color: #17141a;
  background: rgba(23, 20, 26, 0.06);
  transition: border-color 220ms ease-out, background 220ms ease-out;
}
.dt__input:focus {
  outline: none;
  border-color: #ff4d1f;
  background: #fff;
}
.dt__hint {
  margin: 4px 0 0;
  font-size: 11px;
  line-height: 1.4;
  font-family: inherit;
  color: rgba(23, 20, 26, 0.72);
}

@media (prefers-reduced-motion: reduce) {
  .dt__input {
    transition: none;
  }
}