.teacher-detail-portfolio {
  margin-bottom: 50px;
}

.teacher-detail-portfolio__video-block {
  width: 100%;
  position: relative;
  margin: 0 auto;
  aspect-ratio: 2 / 3;
  margin-bottom: 20px;
}

.teacher-detail-portfolio__video-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.7);
}

.teacher-detail-portfolio__video-mark {
  position: absolute;
  max-width: 100px;
  width: calc(100 / 430 * 100vw);
  aspect-ratio: 1 / 1;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.teacher-detail-portfolio__video-mark svg {
  width: 100%;
  height: 100%;
}

.teacher-detail-portfolio__title {
  color: white;
  font-family: "Oswald";
  font-weight: 500;
  font-size: calc(35 / 430 * 100vw);
  margin-bottom: 20px;
}

.teacher-detail-portfolio__video-tag {
  background-size: contain;
  background-repeat: no-repeat;
  aspect-ratio: 335 / 80;
  margin-bottom: 30px;
  z-index: 1;
}

.teacher-detail-portfolio__video-line {
  display: none;
}

@media (min-width: 576px) {
  .teacher-detail-portfolio__title {
    font-size: 40px;
  }
}

@media (min-width: 768px) {
  .teacher-detail-portfolio__video-block {
    max-width: 516px;
  }
}

@media (min-width: 1024px) {
  .teacher-detail-portfolio__title {
    font-size: 50px;
    padding-bottom: 5px;
    border-bottom: 20px solid #7d2322;
  }
  .teacher-detail-portfolio__content {
    display: flex;
    flex-direction: row;
  }

  .teacher-detail-portfolio__video-block {
    max-width: auto;
    width: 320px;
    margin: 0;
    margin-right: 30px;
  }
  .teacher-detail-portfolio__items {
    display: flex;
    flex: 1 1 0;
    flex-direction: column;
    justify-content: space-between;
  }

  .teacher-detail-portfolio__video-line {
    display: block;
    height: 150px;
    background-color: #7d2322;
    transform: translateY(-150px);
    z-index: 0;
  }

  .teacher-detail-portfolio__video-tag {
    transform: scale(0.9);
  }
}

@media (min-width: 1240px) {
  .teacher-detail-portfolio__video-block {
    width: 350px;
  }

  .teacher-detail-portfolio__video-line {
    height: 200px;
    transform: translateY(-150px);
    z-index: 0;
  }
}

@media (min-width: 1440px) {
  .teacher-detail-portfolio__title {
    font-size: 60px;
    border-bottom: 40px solid #7d2322;
  }
  .teacher-detail-portfolio__video-block {
    width: 400px;
  }

  .teacher-detail-portfolio__video-line {
    height: 230px;
    transform: translateY(-170px);
    z-index: 0;
  }
}