/* Prevent the intended Japanese line breaks from wrapping mid-phrase on narrow phones. */
@media (max-width: 600px) {
  .book-start-heading {
    font-size: clamp(18px, 5.9vw, 30px) !important;
    line-height: 1.45;
    letter-spacing: 0.02em;
  }
  .book-start-heading-line {
    display: inline-block;
    white-space: nowrap;
  }
  .book-start-login-heading {
    font-size: clamp(16px, 4.7vw, 22px) !important;
    line-height: 1.55;
  }
  .book-start-login-line {
    display: block;
    white-space: nowrap;
  }
}