.line-friend-popup {
  position: fixed;
  inset: 0;
  width: max-content;
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 32px);
  max-height: calc(100dvh - 32px);
  margin: auto;
  padding: 40px 0 0;
  border: 0;
  background: transparent;
  overflow: auto;
}

.line-friend-popup::backdrop {
  background: rgba(0, 0, 0, 0.6);
}

.line-friend-popup__link {
  display: block;
}

.line-friend-popup__link img {
  display: block;
  width: auto;
  height: auto;
  max-width: min(360px, calc(100vw - 32px));
  max-height: calc(100vh - 88px);
  max-height: calc(100dvh - 88px);
}

.line-friend-popup__close {
  position: absolute;
  top: 0;
  right: 0;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #fff;
  color: #222;
  font: 32px/40px Arial, sans-serif;
  cursor: pointer;
}

.line-friend-popup__close:focus-visible,
.line-friend-popup__link:focus-visible {
  outline: 3px solid #16833e;
  outline-offset: -3px;
}