.sc__ringDinger-yAxis .flex-container {
  display: flex;
  align-items: center;
}

.sc__ringDinger-yAxis .title-wrap {
  width: 55%;
  flex-shrink: 0;

  padding-right: 6rem;
}

.sc__ringDinger-yAxis .image-wrap {
  width: 45%;
}

.sc__ringDinger-ban .parallax-bg {
  background: url("/assets/img/pages/treatment/ring_dinger_sc3_ban_bg.png")
    no-repeat 50% 50% / cover;
}

.sc__ringDinger-who .grad-check-list-wrap {
  max-width: 120rem;
  margin: 0 auto;
}

.sc__ringDinger-advantage .thumbnail-card-list-wrap {
  max-width: 102.4rem;
  margin: 0 auto;
}

.sc__ringDinger-advantage .thumbnail-card-list {
  row-gap: 4rem;
}

.sc__ringDinger-advantage .thumbnail-card-list .thumbnail-card-item {
  padding: 2rem 3rem;
  box-shadow: 0px 0.4rem 1rem 0px #535e6c;
}

.sc__ringDinger-advantage .thumbnail-card-list .thumbnail-card-item .text {
  text-align: left;
  align-items: flex-start;
  padding-bottom: 3rem;
}

.sc__ringDinger-advantage .thumbnail-card-list .thumbnail-card-item strong {
  font-size: 2.8rem;
  color: var(--color-primary-dark);
}

.sc__ringDinger-effect {
  background: url("/assets/img/pages/treatment/ring_dinger_sc7_effect_bg.png?v=2")
    no-repeat 50% 50% / cover;
}

.sc__ringDinger-effect .sp-desc {
  max-width: 74rem;
}

.sc__ringDinger-feature .fixed-scroll-wrap {
  display: flex;
  height: 100vh;
}

.sc__ringDinger-feature .image-wrap {
  width: 46%;
  height: 100%;
}

.sc__ringDinger-feature .content-wrap {
  width: 54%;
  height: 100%;
}

.sc__ringDinger-feature .image-wrap {
  display: flex;
  align-items: center;
  justify-content: center;

  padding: 6rem 2rem;

  background: url("/assets/img/pages/about/doctors_sc2_career_bg.png") no-repeat
    50% 50% / cover;
}

.sc__ringDinger-feature .image-wrap .image-inner {
  max-width: 58rem;
}

.sc__ringDinger-feature .image-wrap .image-inner img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.sc__ringDinger-feature .content-inner {
  height: 100%;
}

.sc__ringDinger-feature .content-item {
  overflow: hidden;

  display: flex;
  flex-direction: column;
  justify-content: flex-end;

  padding: 2.5rem 0 2.5rem 5rem;

  height: calc(3.6rem * 2 * 1.2 + 2.5rem * 2);

  transition: height;
  transition-duration: 1s;
}

.sc__ringDinger-feature .content-item + .content-item {
  border-top: 1px solid var(--color-primary-dark, #26597c);
}

.sc__ringDinger-feature .content-item h4 {
  position: relative;

  display: flex;
  align-items: center;

  height: calc(3.6rem * 1.2 + 2.5rem * 2);

  font-family: var(--font-paperlogy);
  font-size: 3.6rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  line-height: 1.2;

  transition: font-size, height, margin-bottom;
  transition-duration: 1s;
}

.sc__ringDinger-feature .content-item p {
  font-size: 1.8rem;
  color: #525252;

  padding-right: 5rem;

  max-height: 0;
  overflow: hidden;

  transition: max-height, margin-bottom;
  transition-duration: 1s;
}

.sc__ringDinger-feature .content-item.active {
  height: calc(100% - (3.6rem * 2 * 1.2 + 2.5rem * 2) * 2);
  padding-bottom: 6rem;
}

.sc__ringDinger-feature .content-item.active h4 {
  font-weight: 700;
  font-size: 4.8rem;

  margin-bottom: 4rem;
}

.sc__ringDinger-feature .content-item.active p {
  max-height: 100%;
}

.sc__ringDinger-feature .content-item h4 button {
  position: absolute;
  top: 50%;
  right: 2rem;
  transform: translate(0, -50%);

  width: 1em;
  height: 1em;

  cursor: pointer;
}

.sc__ringDinger-feature .content-item h4 button:before,
.sc__ringDinger-feature .content-item h4 button:after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  width: 100%;
  height: 2px;

  background: var(--color-primary-dark);
  border-radius: 2px;
}

.sc__ringDinger-feature .content-item h4 button:after {
  transform: translate(-50%, -50%) rotate(90deg) scaleY(1);
  transition: transform 0.3s ease;
}

.sc__ringDinger-feature .content-item.active h4 button:after {
  transform: translate(-50%, -50%) rotate(90deg) scaleY(0);
}

/* 반응형 */
@media (max-width: 960px) {
  .sc__ringDinger-yAxis .flex-container {
    flex-direction: column;
  }

  .sc__ringDinger-yAxis .title-wrap {
    width: 100%;
    padding-right: 0;
    margin-bottom: 4rem;
    text-align: center;
  }

  .sc__ringDinger-yAxis .image-wrap {
    width: 100%;
    max-width: 480px;
  }
}

@media (max-width: 768px) {
  .sc__ringDinger-feature .fixed-scroll-wrap {
    flex-direction: column;
    height: auto;
  }

  .sc__ringDinger-feature .image-wrap {
    width: 100%;
    padding: 4rem 20px;
  }

  .sc__ringDinger-feature .content-wrap {
    width: 100%;
    height: auto;
  }

  .sc__ringDinger-feature .content-item {
    height: auto;

    padding: 2.5rem 0 2.5rem 2.5rem;
  }

  .sc__ringDinger-feature .content-item h4 {
    height: auto;
    padding-right: 7rem;

    font-size: 3rem;
  }

  .sc__ringDinger-feature .content-item.active {
    height: auto;
  }

  .sc__ringDinger-feature .content-item.active h4 {
    font-size: 3.4rem;
  }
}