#PREMIUM {
  background-color: var(--bg-lightgray);
}
#PREMIUM .container .sub-ttl {
  margin: 48px 0 0;
  font-size: 26px;
  font-weight: 700;
  text-align: center;
}
#PREMIUM .container .content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
#PREMIUM .container .content .card {
  background-color: #fff;
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
#PREMIUM .container .content .card .ttl {
  display: flex;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
  margin: 0px;
}
#PREMIUM .container .content .card .ttl .num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  min-width: 32px;
  background-color: var(--main-blue);
  color: var(--text-white);
  font-size: 16px;
  font-weight: 700;
  border-radius: 50%;
}
#PREMIUM .container .content .card .text {
  margin: 16px 0;
}
#PREMIUM .container .content .card-full {
  grid-column: 1/-1;
}
#PREMIUM .container .content .card-img {
  padding: 0;
}
#PREMIUM .container .content .card-img .img img {
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  aspect-ratio: 16/9;
  -o-object-fit: cover;
     object-fit: cover;
}
#PREMIUM .container .content .card-img .text {
  padding: 0 24px;
}
#PREMIUM .container .message {
  margin: 48px 0 0;
  font-size: 26px;
  font-weight: 700;
  text-align: center;
}
@media (max-width: 768px) {
  #PREMIUM .container .content {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  #PREMIUM .container .content {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  #PREMIUM .container .message {
    font-size: 20px;
  }
}
@media (max-width: 600px) {
  #PREMIUM .container .message {
    font-size: 16px;
  }
}

#STANDARD-COURSE .container .img a {
  transition: opacity 0.3s ease;
}
#STANDARD-COURSE .container .img a:hover {
  opacity: 0.5;
}
#STANDARD-COURSE .container .img a img {
  box-shadow: 6px 6px 10px 0px rgba(0, 0, 0, 0.55);
  border-radius: 6px;
}