ul,
li {
  list-style: initial;
  margin-left: var(--space-20);
}

ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-20);
}

h4 {
  margin-top: var(--space-32);
  margin-bottom: var(--space-20);
}

.open {
  border: 1px solid var(--color-stroke);
  border-radius: var(--bdr-primary);
  background: color-mix(in srgb, var(--color-card, #151515) 80%, transparent);
  margin-top: var(--space-32);
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.open h4 {
  margin: 0;
  padding: var(--space-16) var(--space-20);
  display: flex;
  align-items: center;
  gap: var(--space-12);
  cursor: pointer;
  font-size: var(--h5-size);
  color: var(--color-text-primary);
  transition: color 0.2s ease;
}

.open h4::before {
  content: "▾";
  font-size: 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
  color: var(--color-primary01);
}

.open.is-open h4::before {
  transform: rotate(180deg);
}

.open h4:hover {
  color: var(--color-primary01);
}

.open__content {
  padding: 0 var(--space-20) var(--space-20);
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.35s ease, opacity 0.3s ease;
}

.open.is-open .open__content {
  opacity: 1;
}

main a {
  color: var(--color-primary01);
  text-decoration: underline;
}

a:hover {
  color: var(--color-primary03);
}