.course-box {
  background: #000;
  color: #fff;
  border: 2px solid #ffd700;
  margin-bottom: 2rem;
  padding: 1rem;
}

.course-title {
  font-weight: bold;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.course-desc {
  margin-bottom: 1rem;
  line-height: 1.4;
}

.course-desc br {
  display: block;
  line-height: 1;
  margin: 0;
}

.course-desc br + br {
  margin-top: 0.8em;
}

.course-items {
  font-weight: bold;
  color: #ffd700;
}

@media screen and (max-width: 768px) {
  .course-box {
    font-size: 0.95rem;
    padding: 0.8rem;
  }
}