#contents {
  padding-bottom: 100px;
}

.md .selected-option {
  bottom: 4px;
}

.md .selected-option:has(ruby) {
  bottom: 2px;
}

.title-wrap {
  border-bottom: 1px solid #ddd;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 1rem;
}

@media screen and (max-width: 768px) {
  .title-wrap {
    flex-direction: column;
    align-items: start;
  }
}

.title {
  color: #47b5ff;
  font-size: 20px;
  vertical-align: middle;
  padding-left: 0.3rem !important;
}

@media screen and (max-width: 768px) {
  .title {
    padding-bottom: 0rem;
    display: block;
  }
}

.title:hover {
  color: #47b5ff;
}

.title .title-word {
  color: var(--black-color);
}

.example-icon {
  background-color: #6d6d6d;
  color: #fff;
  font-size: 16px;
  padding: 0.25rem 0.4rem 0;
  border-radius: 4px;
  display: inline-flex;
  justify-content: center;
}

.example {
  font-size: 16px;
  padding-left: 0.5rem;
}

.lesson-img {
  max-width: 220px;
  height: auto;
}

@media screen and (max-width: 768px) {
  .lesson-img-wrap {
    width: 100%;
    text-align: end;
  }
}

.ce-title {
  font-size: 20px;
  padding: 1rem;
}

.read {
  padding: 1rem;
  cursor: pointer;
}

.grid-img {
  width: 85%;
}

@media screen and (min-width: 768px) {
  a[data-number="18"]:nth-child(1) .grid-img,
  a[data-number="18"]:nth-child(14) .grid-img,
  a[data-number="18"]:nth-child(26) .grid-img {
    width: 25%;
  }
  a[data-number="14"]:nth-child(22) .grid-img {
    width: 33%;
  }
}

a[data-number="14"]:nth-child(22) .grid-img {
  margin-top: 1rem;
}

.active:not(.no-scale) {
  -webkit-transform: scale(1.1);
  transform: scale(1.1);
  z-index: 10;
}

@media screen and (max-width: 767px) {
  .active:not(.no-scale) {
    transform: scale(1.05);
  }
}

.grayscale:not(.no-scale.same-group) {
  -webkit-filter: grayscale(1);
  filter: gray;
  filter: grayscale(1);
  opacity: 0.4;
}