.container {
  max-width: 100%;
}
.swiper-container {
  height: calc(100vh - 80px);
}
.swiper-wrapper .swiper-slide {
  background-position: center top;
  background-size: cover;
  background-repeat: no-repeat;
  height: calc(100vh - 80px);
  overflow: hidden;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  background-image: url(../img/slider/s_img01.png);
  position: relative;
}
.swiper-button-prev,
.swiper-button-next {
  width: 20px;
}

/* 中央基準の固定領域：広がっても中央寄せキープ */
.mainv_catch,
.mainv_name {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1200px;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

.mainv_catch img {
  position: absolute;
  top: 50%;
  right: 4%;
  transform: translateY(-50%);
  height: 80%;
  max-height: 720px;
  width: auto;
  object-fit: contain;
}

.mainv_name img {
  position: absolute;
  bottom: 6%;
  left: 4%;
  width: 38%;
  max-width: 460px;
  height: auto;
  object-fit: contain;
}

span.mainv_caption {
  display: block;
  text-align: right;
  font-size: 14px;
  color: #fff;
  font-weight: 400;
}

@media screen and (max-width: 1080px) {
  .mainv_catch img {
    height: 75%;
  }
  .mainv_name img {
    width: 40%;
  }
}

@media (orientation: landscape) and (max-width: 932px) {
  .swiper-container,
  .swiper-wrapper .swiper-slide {
    height: calc(100vh - 60px);
  }
  .mainv_catch img {
    height: 78%;
    right: 5%;
  }
  .mainv_name img {
    width: 36%;
    bottom: 8%;
    left: 5%;
  }
}

@media only screen and (min-device-width: 768px) and (max-device-width: 1024px) and (orientation: portrait) {
  .swiper-container,
  .swiper-wrapper .swiper-slide {
    max-height: 800px;
  }
  .mainv_catch img {
    height: 70%;
    right: 5%;
  }
  .mainv_name img {
    width: 42%;
    bottom: 8%;
    left: 5%;
  }
}

@media screen and (max-width: 480px) {
  .swiper-container,
  .swiper-wrapper .swiper-slide {
    height: 280px;
  }
  .swiper-wrapper .swiper-slide {
    background-position: center center;
    background-image: url(../img/slider/s_img01.png);
  }
  .mainv_catch,
  .mainv_name {
    max-width: 100%;
  }
  .mainv_catch img {
    top: 20px;
    right: 20px;
    transform: none;
    height: auto;
    width: 32%;
    max-width: 240px;
  }
  .mainv_name img {
    bottom: 10px;
    left: 10px;
    width: 50%;
    max-width: 360px;
  }
  .swiper-button-prev,
  .swiper-button-next {
    width: 14px;
  }
}