.release-notice {
  box-sizing: border-box;
  width: min(620px, calc(100vw - 32px));
  max-height: min(720px, calc(100dvh - 32px));
  margin: auto;
  padding: 0;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
  color: var(--ink);
  box-shadow: var(--sh-2);
  font-family: var(--font);
}
.release-notice::backdrop { background: rgba(15, 23, 42, .48); }
.release-notice__head {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 25px 28px 10px;
  background: var(--card);
}
.release-notice__head h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 650;
  letter-spacing: -.02em;
}
.release-notice__close {
  display: grid;
  flex: none;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  color: var(--ink-2);
  background: transparent;
  cursor: pointer;
}
.release-notice__close:hover { color: var(--ink); background: var(--bg); }
.release-notice__close:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.release-notice__close svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 2; }
.release-notice__intro {
  margin: 0;
  padding: 0 28px 16px;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.6;
}
.release-notice__content { padding: 0 28px; }
.release-notice__section { padding: 18px 0 19px; border-top: 1px solid var(--line); }
.release-notice__section h3 { margin: 0 0 11px; font-size: 15px; font-weight: 650; color: var(--ink); }
.release-notice__section ul { margin: 0; padding: 0 0 0 1.3em; }
.release-notice__section li { padding: 0 0 8px; color: var(--ink-2); font-size: 13.5px; line-height: 1.65; }
.release-notice__section li:last-child { padding-bottom: 0; }
.release-notice__section li::marker { color: var(--blue); }
.release-notice__foot {
  position: sticky;
  bottom: 0;
  padding: 13px 28px 16px;
  border-top: 1px solid var(--line);
  background: var(--card);
  color: var(--ink-2);
  font-size: 12px;
  text-align: right;
}
@media (max-width: 560px) {
  .release-notice { width: calc(100vw - 24px); max-height: calc(100dvh - 24px); }
  .release-notice__head { padding: 20px 20px 9px; }
  .release-notice__intro { padding: 0 20px 13px; }
  .release-notice__content { padding: 0 20px; }
  .release-notice__foot { padding: 12px 20px 15px; }
}