@charset "UTF-8";
/*-----------------------------------------------------------
	共通パーツ
-----------------------------------------------------------*/
/* PCとSPの切り替え */
@media screen and (min-width: 901px) {
  .for-sp {
    display: none;
  }
}
@media screen and (max-width: 900px) {
  .for-pc {
    display: none;
  }
}

.seishin-mv {
  background: url(/technology/seishin-damper/images/mv-bg.png) center center / cover no-repeat;
}

.seishin-mv .seishin-mv-wrap {
  position: relative;
  display: flex;
  justify-content: right;
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

.seishin-mv .seishin-mv-wrap .seishin-mv-title {
  position: absolute;
  width: 36.843%;
  /* max-width: 420px; */
  top: 50%;
  left: 20px;
  transform: translateY(-50%);
}

.seishin-mv .seishin-mv-wrap .seishin-mv-main {
  width: 82%;
  height: 100%;
}

.seishin-mv .seishin-mv-wrap .seishin-mv-main img {
  width: 100%;
  height: auto;
}

@media screen and (max-width: 500px) {
  .seishin-mv {
    background: url(/technology/seishin-damper/images/mv-bg_sp.png) center center / cover no-repeat;
  }

  .seishin-mv .seishin-mv-wrap {
    justify-content: center;
  }

  .seishin-mv .seishin-mv-wrap .seishin-mv-title {
    position: absolute;
    width: 72.534%;
    top: 48px;
    left: 50%;
    aspect-ratio: 272 / 238;
    transform: translateX(-50%);
  }

  .seishin-mv .seishin-mv-wrap .seishin-mv-main {
    width: 100%;
    height: auto;
  }

  .seishin-mv .seishin-mv-wrap .seishin-mv-main picture {
    display: block;
    margin: 0 -20px;
    width: calc(100% + 40px);
  }
}

.seishin-info {
  margin: 102px auto 0;
}

.seishin-info .seishin-info-wrap {
  max-width: 1020px;
  margin: 0 auto;
  padding: 0 20px;
}

.seishin-info .seishin-info-wrap h2 {
  width: fit-content;
  margin: 0 auto;
}

.seishin-info .seishin-info-wrap p {
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.65;
}

.seishin-info .seishin-info-wrap .seishin-info-text {
  margin: 48px auto 0;
  text-align: center;
}

.seishin-info .seishin-info-wrap .seishin-info-detail {
  display: block;
  margin: 68px auto 0;
  background-color: rgb(21, 17, 56, 0.06);
}

.seishin-info .seishin-info-wrap .seishin-info-merit {
  display: block;
  margin: -1px auto 0;
  width: fit-content;
}

@media screen and (max-width: 900px) {
  .seishin-info {
    margin: 72px auto 0;
  }

  .seishin-info .seishin-info-wrap {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 24px;
  }

  .seishin-info .seishin-info-wrap p {
    font-size: 15px;
  }

  .seishin-info .seishin-info-wrap .seishin-info-text {
    margin: 36px auto 0;
    text-align: left;
  }

  .seishin-info .seishin-info-wrap .seishin-info-text p + p {
    margin: 16px auto 0;
  }

  .seishin-info .seishin-info-wrap .seishin-info-detail {
    margin: 40px auto 0;
  }
}

.seishin-feature {
  margin: 116px 0 0;
  padding: 108px 0 140px;
  background-color: #151138;
}

.seishin-feature h2 {
  width: fit-content;
  margin: 0 auto;
}

.seishin-feature > ul {
  display: flex;
  flex-direction: column;
  row-gap: 36px;
  width: 100%;
  max-width: 1140px;
  margin: 61px auto 0;
  padding: 0 20px;
}

.seishin-feature > ul > li {
  position: relative;
  padding: 100px 74px 74px;
  background-color: #fff;
}

.seishin-feature > ul > li::before {
  position: absolute;
  top: 0;
  left: 40px;
  width: 170px;
  height: 51px;
  content: "";
}

.seishin-feature > ul > li:first-child:before {
  background: url(/technology/seishin-damper/images/feature-list-deco01.jpg) center center / cover no-repeat;
}

.seishin-feature > ul > li:nth-child(2):before {
  background: url(/technology/seishin-damper/images/feature-list-deco02.jpg) center center / cover no-repeat;
}

.seishin-feature > ul > li:nth-child(3):before {
  background: url(/technology/seishin-damper/images/feature-list-deco03.jpg) center center / cover no-repeat;
}

.seishin-feature > ul > li h3 {
  width: fit-content;
  margin: 6px 0 0;
}

.seishin-feature > ul > li .seishin-feature-desc {
  margin: 34px 0 0;
  font-size: 16px;
  line-height: 1.65;
}

.seishin-feature > ul > li:first-child {
  display: flex;
  column-gap: 53px;
}

.seishin-feature > ul > li:first-child .seishin-feature-text {
  flex: 1;
}

.seishin-feature > ul > li:first-child .seishin-feature-image {
  width: 45.5%;
}

.seishin-feature > ul > li:first-child .seishin-feature-banner {
  margin: 25px 0 0;
  padding: 27px 30px;
  border: 1px solid rgb(89, 88, 88, 0.2);
}

.seishin-feature > ul > li:first-child .seishin-feature-banner figure {
  max-width: 164px;
  height: auto;
  aspect-ratio: 164 / 36;
}

.seishin-feature > ul > li:first-child .seishin-feature-banner .seishin-feature-company-name {
  margin: 14px 0 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.65;
  color: #151138;
}

.seishin-feature > ul > li:first-child .seishin-feature-banner .seishin-feature-link {
  margin: 8px 0 0;
}

.seishin-feature > ul > li:first-child .seishin-feature-banner .seishin-feature-link a {
  display: block;
  width: fit-content;
  margin: 0 0 0 auto;
  font-size: 12px;
  color: #595858;
  font-family: "Noto Sans JP", "游ゴシック体", "Yu Gothic", YuGothic, "游ゴシック Medium", "Yu Gothic Medium", "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", "メイリオ", "Meiryo", sans-serif;
  transition: all .3s ease;
}

.seishin-feature > ul > li:first-child .seishin-feature-banner .seishin-feature-link a:hover {
  opacity: 0.7;
}

.seishin-feature > ul > li:nth-child(2) .seishin-feature-main {
  position: relative;
  margin: 42px auto 0;
}

.seishin-feature > ul > li:nth-child(2) .seishin-feature-main::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: auto;
  aspect-ratio: 440 / 464;
  background: url(/technology/seishin-damper/images/feature-list-image02.png) center center / cover no-repeat;
  content: "";
}

.seishin-feature > ul > li:nth-child(2) .seishin-feature-main .seishin-feature-lists {
  display: flex;
  align-items: flex-end;
  column-gap: 24px;
  width: 79%;
  margin: 0 0 0 auto;
}

.seishin-feature > ul > li:nth-child(2) .seishin-feature-main .seishin-feature-lists ol {
  display: flex;
  flex-direction: column;
  row-gap: 14px;
  width: calc(50% - 12px);
}

.seishin-feature > ul > li:nth-child(2) .seishin-feature-main .seishin-feature-lists ol li {
  display: flex;
  column-gap: 15px;
  min-height: 127px;
  padding: 12px 16px 16px;
  background-color: rgb(21, 17, 56, 0.06);
}

.seishin-feature > ul > li:nth-child(2) .seishin-feature-main .seishin-feature-lists ol li figure {
  margin: 6px 0 0;
  width: 85px;
  height: 85px;
  object-fit: cover;
}

.seishin-feature > ul > li:nth-child(2) .seishin-feature-main .seishin-feature-lists ol li .seishin-feature-list-text {
  display: flex;
  flex-direction: column;
  row-gap: 5px;
  flex: 1;
}

.seishin-feature > ul > li:nth-child(2) .seishin-feature-main .seishin-feature-lists ol li.no-number .seishin-feature-list-text img {
  margin: 3px 0 0;
}

.seishin-feature > ul > li:nth-child(2) .seishin-feature-main .seishin-feature-lists ol li .seishin-feature-list-text picture {
  display: flex;
  width: fit-content;
  align-items: center;
  height: 26px;
}

.seishin-feature > ul > li:nth-child(2) .seishin-feature-main .seishin-feature-lists ol li .seishin-feature-list-text p {
  font-size: 14px;
  line-height: 1.65;
}

.seishin-feature > ul > li:nth-child(3) .seishin-feature-note {
  width: fit-content;
  margin: 14px 0 0 auto;
  font-size: 12px;
  line-height: 1.65;
}

.seishin-feature > ul > li:nth-child(3) .seishin-feature-images {
  display: flex;
  column-gap: 40px;
  margin: 60px 0 0;
}

.seishin-feature > ul > li:nth-child(3) .seishin-feature-images figure {
  width: 53.6%;
}

.seishin-feature > ul > li:nth-child(3) .seishin-feature-images figure + figure {
  flex: 1;
}

.seishin-feature .seishin-back-btn {
  width: fit-content;
  margin: 64px auto 0;
}

.seishin-feature .seishin-back-btn a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 240px;
  height: 56px;
  font-size: 16px;
  font-weight: 700;
  color: #151138;
  background-color: #fff;
  transition: all .3s ease;
}

.seishin-feature .seishin-back-btn a:hover {
  opacity: 0.7;
}

@media screen and (max-width: 1150px) {
  .seishin-feature > ul > li:nth-child(2) .seishin-feature-main .seishin-feature-lists ol li {
    min-height: 160px;
  }
}

@media screen and (max-width: 980px) {
  .seishin-feature > ul > li:nth-child(2) .seishin-feature-main {
    max-width: 450px;
  }

  .seishin-feature > ul > li:nth-child(2) .seishin-feature-main::before {
    display: block;
    position: relative;
    width: 100%;
    aspect-ratio: 287 / 303;
    background: url(/technology/seishin-damper/images/feature-list-image02_sp.png) center center / cover no-repeat;
  }

  .seishin-feature > ul > li:nth-child(2) .seishin-feature-main .seishin-feature-lists {
    flex-direction: column;
    row-gap: 8px;
    width: 100%;
    margin: 24px 0 0;
  }

  .seishin-feature > ul > li:nth-child(2) .seishin-feature-main .seishin-feature-lists ol {
    row-gap: 8px;
    width: 100%;
  }

  .seishin-feature > ul > li:nth-child(2) .seishin-feature-main .seishin-feature-lists ol li {
    min-height: auto;
    padding: 12px 12px 17px;
  }
}

@media screen and (max-width: 900px) {
  .seishin-feature {
    margin: 78px 0 0;
    padding: 52px 0 102px;
  }

  .seishin-feature > ul {
    row-gap: 32px;
    margin: 31px auto 0;
    padding: 0 24px;
  }

  .seishin-feature > ul > li {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 76px 20px 48px;
  }

  .seishin-feature > ul > li::before {
    left: 50%;
    width: 170px;
    height: 42px;
    transform: translateX(-50%);
  }

  .seishin-feature > ul > li:first-child:before {
    background: url(/technology/seishin-damper/images/feature-list-deco01_sp.jpg) center center / cover no-repeat;
  }

  .seishin-feature > ul > li:nth-child(2):before {
    background: url(/technology/seishin-damper/images/feature-list-deco02_sp.jpg) center center / cover no-repeat;
  }

  .seishin-feature > ul > li:nth-child(3):before {
    background: url(/technology/seishin-damper/images/feature-list-deco03_sp.jpg) center center / cover no-repeat;
  }

  .seishin-feature > ul > li h3 {
    margin: 0 auto;
  }

  .seishin-feature > ul > li .seishin-feature-desc {
    margin: 22px 0 0;
    font-size: 14px;
  }

  .seishin-feature > ul > li:first-child {
    flex-direction: column;
  }

  .seishin-feature > ul > li:first-child .seishin-feature-image {
    margin: 32px 0 0;
    width: 100%;
  }

  .seishin-feature > ul > li:first-child .seishin-feature-banner {
    margin: 20px 0 0;
    padding: 20px 18px 14px;
  }

  .seishin-feature > ul > li:first-child .seishin-feature-banner figure {
    max-width: 96px;
    aspect-ratio: 96 / 21;
  }

  .seishin-feature > ul > li:first-child .seishin-feature-banner .seishin-feature-company-name {
    margin: 10px 0 0;
    font-size: 14px;
  }

  .seishin-feature > ul > li:first-child .seishin-feature-banner .seishin-feature-link {
    margin: 6px 0 0;
  }

  .seishin-feature > ul > li:first-child .seishin-feature-banner .seishin-feature-link a {
    font-size: 11px;
  }

  .seishin-feature > ul > li:nth-child(2) .seishin-feature-main {
    margin: 30px auto 0;
  }

  .seishin-feature > ul > li:nth-child(2) .seishin-feature-main .seishin-feature-lists ol li figure {
    margin: 0;
    width: 50px;
    height: 50px;
  }

  .seishin-feature > ul > li:nth-child(2) .seishin-feature-main .seishin-feature-lists ol li.no-number .seishin-feature-list-text{
    row-gap: 10px;
    margin: 3px 0 0;
  }

  .seishin-feature > ul > li:nth-child(2) .seishin-feature-main .seishin-feature-lists ol li .seishin-feature-list-text picture {
    height: auto;
  }

  .seishin-feature > ul > li:nth-child(2) .seishin-feature-main .seishin-feature-lists ol li.no-number .seishin-feature-list-text img{
    margin: 0;
  }

  .seishin-feature > ul > li:nth-child(2) .seishin-feature-main .seishin-feature-lists ol li .seishin-feature-list-text p {
    font-size: 13px;
    line-height: 1.5;
  }

  .seishin-feature > ul > li:nth-child(3) .seishin-feature-note {
    margin: 12px 0 0 auto;
    font-size: 11px;
  }

  .seishin-feature > ul > li:nth-child(3) .seishin-feature-images {
    flex-direction: column;
    row-gap: 23px;
    margin: 32px 0 0;
  }

  .seishin-feature > ul > li:nth-child(3) .seishin-feature-images figure,
  .seishin-feature > ul > li:nth-child(3) .seishin-feature-images figure + figure {
    width: 100%;
  }

  .seishin-feature .seishin-back-btn {
    margin: 60px auto 0;
  }

  .seishin-feature .seishin-back-btn a {
    width: 232px;
    height: 52px;
    font-size: 15px;
  }
}