:root {
  --color-hairline-subtle: rgba(0, 0, 0, 0.07);
  --color-expanded: rgba(0, 0, 0, 0.03);
}

.help {
  padding: 10px 0;
  background: var(--color-language-container);
}

.help__introduction {
  padding-top: 10px;
}

.help__introduction p,
.help__response p {
  margin: 0 0 1.3em;
}

.help__entry {
  border-top: 1px solid var(--color-hairline-subtle);
}

.help__inquiry {
  position: relative;
  display: block;
  padding: 0.6em 2.3em;
  color: var(--color-content);
  font-size: 1.1em;
  line-height: 1.6;
  list-style: none;
  cursor: pointer;
  transition: background-color 0.3s;
}

.help__inquiry::-webkit-details-marker {
  display: none;
}

.help__inquiry::marker {
  content: "";
}

.help__inquiry:hover {
  color: var(--color-anchor-rollover);
}

.help__inquiry:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: -2px;
}

.help__symbol {
  position: absolute;
  top: 1.2em;
  inset-inline-start: 11px;
  width: 18px;
  height: 10px;
  opacity: 0.6;
  transition: transform 0.2s;
}

.help__entry[open] {
  border-top-color: var(--color-principal);
}

.help__entry[open] > .help__inquiry {
  background: var(--color-expanded);
  color: var(--color-principal);
  font-weight: 700;
}

.help__entry[open] .help__symbol {
  opacity: 1;
  transform: rotate(180deg);
}

.help__response {
  padding: 1em 2.3em;
}

.help__response p:last-child {
  margin-bottom: 0;
}

.help__response em[lang] {
  font-style: inherit;
}

@media (min-width: 550px) {
  .help__introduction,
  .help__response {
    text-align: justify;
  }
}