.DSDEF-header {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  background-color: #eec69a;
  line-height: 0;
}

.DSDEF-header__product-name {
  font-size: 16px;
  line-height: normal;
  color: #c96950;
  position: absolute;
  transform: translateX(-50%);
  margin: 0;
  width: 100%;
  opacity: 0;
}

.DSDEF-header__product-name[is-displayed="true"],
.DSDEF-header__text[is-displayed="true"] {
  opacity: 1;
}

.DSDEF-header__product-name--DS {
  top: 150px;
  left: calc(50% - 373px);
  max-width: 100px;
  text-align: right;
}

.DSDEF-header__product-name--EF {
  max-width: 170px;
  top: 460px;
  left: calc(50% - 35px);
}

.DSDEF-header__text {
  position: absolute;
  top: calc(50% - 55px);
  left: calc(50% + 325px);
  transform: translate(-50%, -50%);
  max-width: 412px;
  width: 100%;
  color: #fff;
  opacity: 0;
  transition: opacity 0.3s;
}

.DSDEF-header__text[is-displayed="true"] {
  animation-name: mask-anim;
  animation-duration: 0.3s;
}

@keyframes mask-anim {
  0% {
    mask-image: linear-gradient(90deg, transparent 35%, rgba(0, 0, 0, 1) 36%);
    -webkit-mask-image: linear-gradient(90deg, transparent 35%, rgba(0, 0, 0, 1) 36%);
  }

  50% {
    mask-image: linear-gradient(90deg, transparent 14%, rgba(0, 0, 0, 1) 15%);
    -webkit-mask-image: linear-gradient(90deg, transparent 14%, rgba(0, 0, 0, 1) 15%);
  }

  100% {
    mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 1) 1%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 1) 1%);
  }
}

.DSDEF-header__title {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.DSDEF-header__title-visual {
  max-width: 276px;
  width: 100%;
}

.DSDEF-header__subtitle {
  font-size: 35px;
  line-height: 43px;
  font-weight: normal;
  margin: 0;
  margin-top: 15px;
}

.DSDEF-header__button {
  margin-top: 25px;
  padding: 0 35px;
}

.DSDEF-header__background {
  display: none;
}

@media screen and (max-width: 1023px) and (min-width: 762px) {
  #DSDEF-header__animation {
    max-width: 140vw;
    margin-left: -20vw;
  }

  .DSDEF-header__text {
    top: 50%;
    left: 55%;
    transform: translateY(-50%);
  }

  .DSDEF-header__product-name--DS {
    top: 10vw;
    left: calc(50% - 46vw);
  }

  .DSDEF-header__product-name--EF {
    max-width: 170px;
    top: 50vw;
    left: calc(50% - 12vw);
  }

  .DSDEF-header__subtitle {
    font-size: 30px;
    line-height: 40px;
  }
}

@media screen and (max-width: 761px) {
  #DSDEF-header__animation {
    display: none;
  }

  .DSDEF-header__background {
    display: block;
    width: 100%;
  }

  .DSDEF-header__background img {
    display: block;
    width: 100%;
  }

  .DSDEF-header__text {
    left: 50%;
    top: auto;
    transform: translateX(-50%);
    text-align: center;
    bottom: 30px;
  }

  .DSDEF-header__product-name,
  .DSDEF-header__text {
    opacity: 1;
  }

  .DSDEF-header__title-visual {
    max-width: calc(248 / 375 * 100vw);
  }

  .DSDEF-header__subtitle {
    font-size: 30px;
    line-height: 38px;
    margin-top: 20px;
  }

  .DSDEF-header__button {
    margin-top: 30px;
  }

  .DSDEF-header__product-name--DS {
    top: calc(73 / 375 * 100vw);
    left: calc(32 / 375 * 100vw);
  }

  .DSDEF-header__product-name--EF {
    top: calc(253 / 375 * 100vw);
    left: calc(284 / 375 * 100vw);
  }
}