.p-detail {
  padding-bottom: 143px;
  padding-inline: 20px;
}

.p-detail__inner {
  background-color: #fff;
  border-radius: 20px;
  margin-inline: auto;
  max-width: 1140px;
  padding-block: 100px;
  padding-inline: 20px;
}

.p-detail__contents {
  margin-inline: auto;
  max-width: 925px;
}

.page-detail__header {
  align-items: center;
  display: flex;
  gap: 30px;
}

.detail-text {
  color: #00132b;
  font-size: 14px;
  font-weight: normal;
  letter-spacing: normal;
  line-height: 2.29;
  padding-top: 41px;
}

.detail__btn {
  background-color: #0057aa;
  border: 1px solid #0057aa;
  border-radius: 20px;
  color: #fff;
  display: block;
  font-size: 15px;
  font-weight: 600;
  line-height: calc(21 / 15);
  margin-inline: auto;
  margin-top: 74px;
  max-width: 183px;
  padding-block: 12px;
  padding-inline: 10px;
  text-align: center;
  transition: background 0.3s ease, color 0.3s ease;
  width: 100%;
}
.detail__btn:hover {
  background: #fff;
  color: #0057aa;
}
.detail__btn.detail__btn--pdf {
  background: #fff;
  color: #0057aa;
}
.detail__btn.detail__btn--pdf:hover {
  background-color: #0057aa;
  color: #fff;
}

.post-ttl {
  border-bottom: 1.5px solid #8b8b8b;
  color: #00132b;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 1.32px;
  line-height: 1.4545454545;
  margin-top: 56px;
  padding-bottom: 18px;
  padding-left: 29px;
  padding-top: 10px;
  position: relative;
}
.post-ttl::before {
  background-color: #3ea6e3;
  content: "";
  flex-shrink: 0;
  height: 57%;
  left: 0;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
}

.post-detail__content > h2:first-child {
  margin-top: 0;
}
.post-detail__content h2 {
  align-items: center;
  display: flex;
  font-size: 20px;
  font-weight: 500;
  gap: 10px;
  letter-spacing: 0.06em;
  margin-bottom: 35px;
  margin-top: 53px;
}
.post-detail__content h2::before {
  background-color: #3ea6e3;
  border-radius: 3px;
  content: "";
  display: inline-flex;
  flex-shrink: 0;
  height: 18px;
  width: 18px;
}
.post-detail__content h3 {
  border-bottom: 1.5px solid #3ea6e3;
  font-size: 18px;
  letter-spacing: 0.06em;
  margin-bottom: 40px;
  margin-top: 83px;
  padding-bottom: 12px;
}

.post-detail__content img,
.page-detail__item img {
  aspect-ratio: 594/356;
  border-radius: 10px;
  display: block;
  height: 356px;
  margin: 40px auto 10px;
  margin-inline: auto;
  max-width: 594px;
}

@media (min-width: 768px) {
  .post-detail__content img,
  .page-detail__item img {
    margin: 75px auto 20px;
    width: 43.4846266471vw;
  }
}