.modal-guide-title,
.guide-title {
  text-align: center;
}

.guide-title h1 {
  margin: 0;
  font-weight: bold;
}

.modal-header {
  border: none;
  padding: 1rem 0.5rem 0 0;
}

.modal-header .btn-close {
  padding: 0.5rem 0.5rem;
  margin: 0rem 0.5rem 0rem auto;
}

.btn-close {
  width: 20px;
  height: 20px;
  background-size: 20px 20px;
}

@media (max-width: 575px) {
  .btn-close {
    width: 15px;
    height: 15px;
    background-size: 15px 15px;
  }
}

.sentence-check-guide {
  font-size: 2.5em;
}

.guide-sentence-wrap {
  display: none;
}

@media (max-width: 536px) {
  .guide-sentence-wrap {
    display: block;
  }
}

.guide-content {
  margin: 1.3rem auto;
  width: 80%;
}

.guide-content p {
  text-indent: 1em;
  margin-bottom: 0;
  line-height: 2.3rem;
  font-size: 1.4rem;
}

.guide-content span {
  font-size: 1.4rem;
  margin-top: 2.5rem;
  display: block;
}