.sub-top {
  --header-height: 9.6rem;
  --sub-top-height: 52rem;

  height: calc(var(--header-height) + var(--sub-top-height));
  padding-top: var(--header-height);
  background: no-repeat 50% 50% / cover;
}

.sub-top-container {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;

  background: no-repeat 50% 50% / cover;
}

.st-tit-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;

  margin-bottom: 8%;
}

.st-tit-prefix,
.st-tit {
  font-size: 4.6rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

[data-slide-up] {
  overflow: hidden;
}

[data-slide-up] span {
  display: inline-block;
  opacity: 0;
  transform: translate(0, 90%);

  animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

[data-slide-up][data-delay="0.2"] span {
  animation-delay: 0.2s;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translate(0, 90%);
  }
  to {
    opacity: 1;
    transform: translate(0, 0);
  }
}

/* 
** sub-top 페이지별 배경 이미지
 */
.p-about .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_about.png");
  background-position: 61% 50%;
}

.equipment-dmx .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_dmx.png");
}

.equipment-drx9000 .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_drx9000_250703.png");
  background-position: 65% 50%;
}

.equipment-lllt .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_lllt.png");
}

.disease-desc .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_disc.png?v=2");
  background-position: 80% 50%;
}

.disease-knee .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_knee.png?v=2");
  background-position: 70% 50%;
}

.disease-neck .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_neck.png?v=2");
  background-position: 65% 50%;
}

.disease-shoulder .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_shoulder.png?v=2");
  background-position: 55% 50%;
}

.disease-sciatica .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_sciatica.png?v=2");
  background-position: 75% 50%;
}

.disease-backPain .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_backpain.png?v=2");
  background-position: 75% 50%;
}

.disease-hipJoint .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_hipjoint.png?v=2");
  background-position: 70% 50%;
}

.p-sportsInjury .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_sports_injury.png");
  background-position: 61% 50%;
}

.spine-spineDecompression .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_spin_decompression.png");
  background-position: 55% 50%;
}

.spine-epiSteroidRisks .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_spin_decompression.png");
  background-position: 55% 50%;
}

.p-accident .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_accident.png");
  background-position: 61% 50%;
}

.p-chiropractic .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_chiropractic.png?v=2");
  background-position: 85% 50%;
}

.treatment-eswt .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_eswt.png");
  background-position: 88% 50%;
}

.treatment-rehab .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_rehab.png");
  background-position: 65% 50%;
}

.treatment-cfr .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_cfr.png");
  background-position: 65% 50%;
}

.treatment-ringDinger .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_ringdinger.png?v=2");
  background-position: 65% 50%;
}

.p-community .sub-top-container {
  background-image: url("/assets/img/layout/sub-top/sub_top_bg_community.png");
  background-position: 61% 50%;
}

/* 반응형 */
@media (max-width: 1280px) {
  .sub-top {
    --header-height: 60px;
  }
}

@media (max-width: 1024px) {
  .sub-top {
    --sub-top-height: 46rem;
  }

  .st-tit-prefix,
  .st-tit {
    font-size: 4.2rem;
  }
}

@media (max-width: 500px) {
  .st-tit-wrap {
    margin-bottom: 6rem;
  }

  .st-tit-prefix {
    font-size: 3.2rem;
  }
}