@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700&family=Zen+Maru+Gothic:wght@500;700&Libre+Baskerville:wght@700&display=swap");
.ttlArea::before {
  background: url(../img/concept/ttlbg.jpg) center/cover no-repeat;
}
@media screen and (min-width: 768px) {
  .ttlArea {
    background: url(../img/concept/ttlbg.jpg) center/cover no-repeat;
  }
}

.secIntro {
  padding: 74px 0 0;
}
@media screen and (min-width: 768px) {
  .secIntro {
    padding: 105px 0 0;
  }
  .secIntro::before {
    font-size: 120px;
    top: 23px;
  }
}
.secIntro__inner {
  width: 100%;
  z-index: 1;
}
.secIntro__ttl {
  margin-bottom: 75px;
  color: #004681;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4545;
  text-align: center;
}
@media screen and (min-width: 768px) {
  .secIntro__ttl {
    margin-bottom: 80px;
    font-size: 30px;
    line-height: 1.4;
  }
}
@media screen and (min-width: 1024px) {
  .secIntro__ttl {
    font-size: 46px;
  }
}
.secIntro__contentsWrap {
  padding-bottom: 52px;
  background-color: #C0DEED;
  border-radius: 20px;
  color: #004681;
  font-weight: 400;
  line-height: 1.9;
}
.secIntro__contentsWrap .imgBlk1 {
  margin-bottom: 25px;
}
.secIntro__contentsWrap .imgBlk1 img {
  width: 100%;
  border-radius: 20px 20px 0 0;
  display: block;
}
.secIntro__contentsWrap .txtBlk1 {
  padding: 0 20px;
  margin-bottom: 32px;
}
.secIntro__contentsWrap .imgBlk2 {
  padding: 0 20px;
  margin-bottom: 25px;
}
.secIntro__contentsWrap .imgBlk2 img {
  width: 100%;
  border-radius: 20px;
  display: block;
}
.secIntro__contentsWrap .txtBlk2 {
  padding: 0 20px;
}
.secIntro__contentsWrap .txtBlk2 strong {
  background-color: #fff;
  font-weight: 500;
}
@media screen and (min-width: 768px) {
  .secIntro__contentsWrap {
    padding-bottom: 100px;
    background-color: transparent;
    line-height: 2;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    position: relative;
  }
  .secIntro__contentsWrap::before {
    content: "";
    width: 100vw;
    height: calc(100% - 86px);
    background-color: #C0DEED;
    border-radius: 60px;
    display: block;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
  }
  .secIntro__contentsWrap .blk {
    position: relative;
    z-index: 1;
  }
  .secIntro__contentsWrap .imgBlk1 {
    margin-bottom: 0;
    grid-column: span 2;
  }
  .secIntro__contentsWrap .txtBlk1 {
    padding: 30px 20px 53px;
    margin-bottom: 0;
    font-weight: 500;
    grid-column: span 2;
  }
  .secIntro__contentsWrap .txtBlk1 p {
    width: 100%;
    max-width: 830px;
    margin: 0 auto;
  }
  .secIntro__contentsWrap .imgBlk2 {
    padding: 0 20px 0 20px;
    margin-bottom: 0;
  }
  .secIntro__contentsWrap .txtBlk2 {
    padding: 0 20px 0 0;
    font-size: 14px;
  }
}
@media screen and (min-width: 1024px) {
  .secIntro__contentsWrap .txtBlk1 {
    font-size: 18px;
  }
  .secIntro__contentsWrap .imgBlk2 {
    padding: 0 40px 0 20px;
  }
  .secIntro__contentsWrap .txtBlk2 {
    padding: 0 20px 0 25px;
    font-size: 16px;
  }
}
@media screen and (min-width: 1240px) {
  .secIntro__contentsWrap .imgBlk2 {
    padding: 0 40px 0 0;
  }
  .secIntro__contentsWrap .txtBlk2 {
    padding: 0 0 0 25px;
  }
}

.secFeature {
  padding: 80px 0 90px;
}
@media screen and (min-width: 768px) {
  .secFeature {
    padding: 100px 0;
  }
}
.secFeature__ttl {
  margin-bottom: 28px;
  color: #81BDDB;
  font-weight: 400;
  line-height: 1.4375;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.secFeature__ttl img {
  width: 40px;
  display: block;
}
@media screen and (min-width: 768px) {
  .secFeature__ttl {
    margin-bottom: 65px;
  }
}
.secFeature__list {
  width: 100%;
  display: grid;
  grid-gap: 40px;
}
.secFeature__list .listItem {
  position: relative;
}
.secFeature__list .listItem::before {
  content: "";
  width: 100%;
  height: calc(100% - 130px);
  background-color: #fff;
  position: absolute;
  bottom: 0;
  left: 0;
}
.secFeature__list .listItem__inner {
  z-index: 1;
}
.secFeature__list .listItem__img {
  width: 100%;
  position: relative;
}
.secFeature__list .listItem__img img {
  width: 100%;
  margin-bottom: 20px;
  border-radius: 20px;
  display: block;
}
.secFeature__list .listItem__img figcaption {
  font-size: 18px;
  font-weight: 700;
  line-height: 2.3333;
  position: absolute;
  bottom: -5px;
  left: -10px;
}
.secFeature__list .listItem__img figcaption span {
  padding: 8px 9px 11px 12px;
  background-color: #fff;
  border-radius: 6px;
  color: #004681;
  line-height: 1;
  display: inline-block;
}
.secFeature__list .listItem__txtWrap {
  padding: 0 0 32px 0;
  font-weight: 400;
  line-height: 1.9;
}
@media screen and (min-width: 768px) {
  .secFeature__list .listItem {
    padding: 0 0 45px;
    font-size: 14px;
  }
  .secFeature__list .listItem::before {
    height: calc(100% - 50px);
  }
  .secFeature__list .listItem__inner {
    display: flex;
    align-items: flex-end;
    grid-gap: 20px;
  }
  .secFeature__list .listItem:nth-child(even) .listItem__inner {
    flex-direction: row-reverse;
  }
  .secFeature__list .listItem__img {
    width: 45%;
    max-width: 480px;
    flex-shrink: 0;
  }
  .secFeature__list .listItem__img img {
    margin-bottom: 0;
  }
  .secFeature__list .listItem__txtWrap {
    padding: 0;
    line-height: 2;
  }
}
@media screen and (min-width: 1024px) {
  .secFeature__list .listItem {
    font-size: 16px;
  }
  .secFeature__list .listItem::before {
    height: calc(100% - 76px);
  }
  .secFeature__list .listItem__inner {
    grid-gap: 56px;
  }
  .secFeature__list .listItem__img figcaption {
    font-size: 26px;
    line-height: 1.6;
  }
  .secFeature__list .listItem__img figcaption span {
    padding: 4px 9px 6px 12px;
  }
  .secFeature__list .listItem__txtWrap {
    padding: 0 0 43px;
  }
}
@media screen and (min-width: 1200px) {
  .secFeature__list .listItem__txtWrap {
    padding: 0 0 63px;
  }
}