html {
  scroll-behavior: smooth;
}
.toggle {
  display: none;
}

dd {
  position: relative;
}

.toggle-box {
  max-height: 300px;
  overflow: hidden;
  transition: max-height 0.6s ease-in-out;
  position: relative;
}

.toggle:checked + .toggle-box {
  max-height: 3000px;
}

.toggle-box::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background: linear-gradient(to bottom,
    rgba(255,255,255,0),
    rgba(255,255,255,0.9));
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.toggle:checked + .toggle-box::after {
  opacity: 0;
}

.toggle-label {
  display: block;
  width: 120px;
  padding: 8px 0;
  margin: 10px auto 0;
  cursor: pointer;
  background-color: #98abc0;
  border-radius: 6px;
  text-align: center;
  font-weight: 500;
  color: white;
}

.toggle-label::before {
  content: "もっと見る";
}

.toggle:checked + .toggle-box + .toggle-label::before {
  content: "閉じる";
}