.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);
}
.swiper-button-prev,
.swiper-button-next {
  width: 20px;
}

.mainv_ttl {
  position: absolute;
  bottom: 0;
  width: 100%;
  background-color: var(--base);
  color: #fff;
  height: 24vh;
  min-height: 200px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-flow: column;
  padding: 20px;
  text-align: left;
}
.mainv_ttl img {
  height: calc(24vh - 40px);
  min-height: calc(200px - 40px);
  margin: 0 auto;
  display: block;
  object-fit: contain;
}
.mainv_ttl h2 {
  font-size: 2.6rem;
  line-height: 1.2em;
  width: 100%;
}
.mainv_ttl p {
  font-size: 1.25rem;
  font-weight: 300;
  line-height: 1.2em;
  margin-top: 0.5em;
}
.mainv_catch {
  position: relative;
  width: 1024px;
  height: 100%;
  margin: 0 auto;
}
.mainv_catch img {
  position: absolute;
  top: calc(50% - 20px);
  left: 20px;
  height: auto;
  max-width: 640px;
  width: 60vw;
  max-height: calc(80vh - 80px);
  object-fit: contain;
  transform: translate(0, -50%);
}
span.mainv_caption {
  display: block;
  text-align: right;
  font-size: 14px;
  color: #fff;
  font-weight: 400;
}

@media screen and (max-width: 1080px) {
  .swiper-container {
    xheight: 60vh;
  }
  .swiper-wrapper .swiper-slide {
    xheight: 60vh;
  }
}
@media (orientation: landscape) and (max-width: 932px) {
  /*デバイスが横向き、画面の横幅が 767px 以下の場合の記述*/
  .swiper-container {
    height: 400px;
  }
  .swiper-wrapper .swiper-slide {
    height: 400px;
  }
}
@media only screen and (min-device-width: 768px) and (max-device-width: 1024px) and (orientation: portrait) {
  /*iPadが縦向きのみの記述*/
  .swiper-container {
    max-height: 1024px;
  }
  .swiper-wrapper .swiper-slide {
    max-height: 1024px;
  }
  .mainv_ttl {
    height: 18vh;
  }
}

【iPad 横向きのみ】 @media only screen and (min-device-width: 768px) and (max-device-width: 1024px) and (orientation: landscape) {
  /*iPadが横向きのみの記述*/
}

@media screen and (max-width: 480px) {
  /* 480px以下に適用されるCSS（スマホ用） */
  .swiper-container {
    height: 280px;
  }
  .swiper-wrapper .swiper-slide {
    background-position: right center;
    height: auto;
    background-image: url(../img/slider/s_img01_sp.png);
  }
  .mainv_ttl {
    min-height: 120px;
    height: 120px;
    padding: 0;
  }

  .mainv_ttl img {
  }
  .mainv_catch img {
    width: 55%;
  }
  .mainv_ttl h2 {
    font-size: 1.2rem;
  }
  .mainv_ttl p {
    font-size: 12px;
  }
  span.mainv_caption {
    font-size: 12px;
  }
  .swiper-button-prev,
  .swiper-button-next {
    width: 14px;
  }
}