.faq__grid {
  display: grid;
  gap: 32px;
}

.faq__aside .head {
  margin-bottom: 32px;
}

.faq__help {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 420px;
  padding: 18px 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-surface);
  transition:
    translate var(--dur-move) var(--ease),
    box-shadow var(--dur-move) var(--ease),
    border-color var(--dur-ui);
}

.faq__help:hover {
  translate: 0 -2px;
  border-color: transparent;
  box-shadow: var(--shadow);
}

.faq__help strong {
  display: block;
  font-size: var(--fs-md);
}

.faq__help small {
  display: block;
  font-size: var(--fs-sm);
  color: var(--c-muted);
}

.faq__help > .icon--arrow {
  margin-left: auto;
  color: var(--c-muted);
  transition: translate var(--dur-move) var(--ease);
}

.faq__help:hover > .icon--arrow {
  translate: 4px 0;
}

.faq__help-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  flex: none;
  border-radius: 50%;
  background: var(--c-wa);
  color: var(--c-wa-ink);
}

.faq__list {
  border-top: 1px solid var(--c-line-strong);
}

.faq__item {
  border-bottom: 1px solid var(--c-line-strong);
}

.faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 0;
  font-family: var(--font-serif);
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.2;
  list-style: none;
  cursor: pointer;
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__toggle {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: none;
  border: 1px solid var(--c-line-strong);
  border-radius: 50%;
  transition:
    rotate var(--dur-move) var(--ease),
    background-color var(--dur-ui),
    border-color var(--dur-ui),
    color var(--dur-ui);
}

.faq__item summary:hover .faq__toggle {
  border-color: var(--c-forest);
}

.faq__item[open] .faq__toggle {
  rotate: 45deg;
  border-color: var(--c-forest);
  background: var(--c-forest);
  color: var(--c-on-dark);
}

.faq__answer {
  max-width: 640px;
  padding: 0 64px 28px 0;
  color: var(--c-ink-2);
}

@supports (interpolate-size: allow-keywords) {
  .faq__item {
    interpolate-size: allow-keywords;
  }

  .faq__item::details-content {
    height: 0;
    overflow: clip;
    transition:
      height 0.6s var(--ease),
      content-visibility 0.6s allow-discrete;
  }

  .faq__item[open]::details-content {
    height: auto;
  }
}

@media (min-width: 960px) {
  .faq__grid {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 80px;
  }

  .faq__aside {
    position: sticky;
    top: calc(var(--header-h) + 32px);
    align-self: start;
  }
}