.site-announcement {
  background-color: #fce7ef;
  color: #7a2346;
  font-family: Arial, "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  flex: 0 0 auto;
}

.site-announcement__link {
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .55em;
  min-block-size: 44px;
  padding: .55em 1em;
  color: inherit;
  font-size: .875rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
}

.site-announcement__text {
  min-inline-size: 0;
  overflow-wrap: anywhere;
}

.site-announcement__arrow {
  flex: 0 0 auto;
}

.site-announcement__link:hover .site-announcement__text,
.site-announcement__link:focus-visible .site-announcement__text {
  text-decoration: underline;
  text-underline-offset: .2em;
}

.site-announcement__link:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: -3px;
}

body[data-site-announcement-legacy] {
  margin: 0;
}

html:has(body[data-site-announcement-legacy="canvas"]) {
  display: block;
  height: 100%;
}

body[data-site-announcement-legacy="canvas"] {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  width: 100%;
  height: 100%;
}

body[data-site-announcement-legacy="canvas"] > main {
  position: relative;
  flex: 1 1 0;
  min-block-size: 0;
  overflow: hidden;
}

body[data-site-announcement-legacy="canvas"] > #output:empty {
  display: none;
}