/* Multilingual navigation */
#isc-information-science-page .isc-site-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-left: auto;
}

#isc-information-science-page .isc-language-nav {
  display: inline-flex;
  align-items: stretch;
  overflow: hidden;
  border: 1px solid var(--isc-line);
  border-radius: 999px;
  background: #ffffff;
}

#isc-information-science-page .isc-language-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0.35rem 0.62rem;
  color: var(--isc-navy-800);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

#isc-information-science-page .isc-language-link + .isc-language-link {
  border-left: 1px solid var(--isc-line);
}

#isc-information-science-page .isc-language-link:hover,
#isc-information-science-page .isc-language-link:focus-visible {
  background: var(--isc-blue-100);
}

#isc-information-science-page .isc-language-link[aria-current="page"] {
  background: var(--isc-navy-900);
  color: #ffffff;
}

@media (max-width: 820px) {
  #isc-information-science-page .isc-site-header {
    flex-wrap: wrap;
  }

  #isc-information-science-page .isc-site-brand {
    flex: 1 1 18rem;
  }

  #isc-information-science-page .isc-site-actions {
    flex: 0 1 auto;
  }
}

@media (max-width: 680px) {
  #isc-information-science-page .isc-site-actions {
    width: 100%;
    justify-content: space-between;
    margin-left: 0;
  }

  #isc-information-science-page .isc-language-link {
    min-height: 34px;
    padding-right: 0.55rem;
    padding-left: 0.55rem;
    font-size: 0.68rem;
  }
}

@media (max-width: 380px) {
  #isc-information-science-page .isc-site-actions {
    gap: 0.35rem;
  }

  #isc-information-science-page .isc-language-link {
    padding-right: 0.45rem;
    padding-left: 0.45rem;
    font-size: 0.64rem;
  }
}


/* Five-way language/readability selector */
#isc-information-science-page .isc-language-nav {
  max-width: 100%;
}

html[data-isc-language="easy-ja"] #isc-information-science-page ruby {
  ruby-position: over;
}

html[data-isc-language="easy-ja"] #isc-information-science-page rt {
  font-size: 0.56em;
  line-height: 1;
  font-weight: 500;
}

@media (max-width: 680px) {
  #isc-information-science-page .isc-site-actions {
    flex-wrap: wrap;
  }
  #isc-information-science-page .isc-language-nav {
    width: 100%;
  }
  #isc-information-science-page .isc-language-link {
    flex: 1 1 0;
    min-width: 0;
    padding-right: 0.35rem;
    padding-left: 0.35rem;
  }
}

@media (max-width: 380px) {
  #isc-information-science-page .isc-language-link {
    font-size: 0.60rem;
  }
}


/* Five-language selector: keep labels readable on very narrow screens */
@media (max-width: 520px) {
  #isc-information-science-page .isc-language-nav {
    flex-wrap: wrap;
    border-radius: 14px;
  }
  #isc-information-science-page .isc-language-link {
    flex: 1 1 32%;
    min-width: 6.4rem;
  }
  #isc-information-science-page .isc-language-link + .isc-language-link {
    border-left: 0;
  }
}