@charset "UTF-8";
[id] {
  scroll-margin-top: 24px;
}
.main_bg {
  background: url(../images/main_bg.webp) no-repeat top center / cover;
}


.header_lead {
  display: none;
}
/* mv
=================================== */
.mv {
  overflow: hidden;
}
.mv .inner {
  max-width: 1000px;
}
.mv_img {
  margin-left: auto;
  margin-right: calc(50% - 50vw);
}

/* contents_area
======================================== */
.contents_area .inner {
  max-width: 1000px;
}
.contents_title {
  font-size: 26px;
  letter-spacing: normal;
  line-height: 1.2;
  color: #4d5b91;
}
.contents_text {
  font-size: 16px;
  font-size: clamp(1.3rem, 0.767rem + 0.694vw, 1.6rem);
  letter-spacing: normal;
  line-height: 2.5;
}
.contents_lead {
  margin-top: 60px;
  text-align: center;
  font-size: 18px;
  letter-spacing: normal;
  line-height: 1.7;
  color: #4d5b91;
  font-weight: 500;
}

@media only screen and (max-width: 767px) {
  .contents_title {
    font-size: 20px;
  }
  .contents_text {
    font-size: 14px;
    line-height: 2;
  }
  .contents_lead {
    margin-top: 40px;
    font-size: 16px;
  }
  .contents_imgtitle {
    width: 60%;
  }
  .contents_imgtitle img {
    width: auto;
    height: 40px;
  }
}

/* top
======================================== */
.top {
  padding-block: 80px;
  padding-block: clamp(4rem, 2.182rem + 4.848vw, 8rem);
}
.top_title {
  font-size: 28px;
  font-size: clamp(1.6rem, 1.055rem + 1.455vw, 2.8rem);
  letter-spacing: 0.14em;
  line-height: 1.7;
  color: #4d5b91;
  font-weight: 500;
}
.top_wrap {
  margin-top: 60px;
  margin-top: clamp(2rem, 0.182rem + 4.848vw, 6rem);
  display: flex;
  justify-content: space-between;
}
.top .contents_body {
  width: 53%;
}
.top_lead {
  font-size: 18px;
  font-size: clamp(1.3rem, 0.411rem + 1.157vw, 1.8rem);
  letter-spacing: 0.04em;
  line-height: 2.1;
  color: #000;
}
.top .contents_img {
  width: 90%;
  max-width: 470px;
}



@media only screen and (max-width: 767px) {
  .top {
    padding-bottom: 60px;
  }
  .top_title {
    font-size: 18px;
    letter-spacing: 0.1em;
  }
  .top_wrap {
    flex-direction: column;
    row-gap: 20px;
  }
  .top .contents_body {
    width: 100%;
  }
  .top_lead {
    font-size: 14px;
    line-height: 1.8;
  }
  .top .contents_img {
    margin-inline: auto;
    max-width: 400px;
  }
}

/* about
======================================== */
.about {
  position: relative;
  padding-block: 160px;
  padding-block: clamp(8rem, -5.333rem + 11.111vw, 16rem);
  margin-top: 80px;
  margin-top: clamp(4rem, 2.182rem + 4.848vw, 8rem);
  overflow: hidden;
}
.about::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  background: url(../images/about_kv.webp) no-repeat center right / cover;
  width: calc(100% - ((100vw - 940px) / 2));
  height: 100%;
}
.about_wrap {
  display: flex;
  column-gap: 60px;
  margin-left: -80px;
}
.about .contents_body {
  width: 50%;
}
.about .contents_img {
  width: 100%;
  max-width: 375px;
}
.about .contents_title {
  margin-top: 26px;
}
.about .contents_text {
  margin-top: 40px;
}

@media only screen and (max-width: 767px) {
  .about {
    padding-block: 60px;
  }
  .about::before {
    width: 170%;
  }
  .about_wrap {
    flex-direction: column;
    row-gap: 30px;
    margin-left: 0px;
  }
  .about .contents_body {
    width: 100%;
  }
  .about .contents_img {
    width: 60%;
    margin-inline: auto;
  }
  .about .contents_title {
    margin-top: 16px;
  }
  .about .contents_text {
    margin-top: 20px;
  }
}

/* img-contents
====================================== */
.img-contents {
  padding-top: 120px;
  padding-bottom: 80px;
}
.img-contents__inner {
  max-width: 910px;
  margin-inline: auto;
}
.img-stack {
  position: relative;
  width: 100%;
  aspect-ratio: 1820 / 1182;
  isolation: isolate;
}
.layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: auto;
  display: block;
  opacity: 0;
  will-change: transform, opacity, filter;
}
.layer--base {
  z-index: 1;
}
.layer--balloon {
  z-index: 2;
  pointer-events: none;
}

@media (max-width: 768px) {
  .img-contents {
    padding-top: 40px;
    padding-bottom: 10px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .layer {
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
  }
}

/* structure
======================================== */
.structure {
  padding-block: 80px;
}
.structure .contents_title {
  margin-top: 36px;
  margin-bottom: 34px;
}
.structure_item {
  margin-top: 80px;
}
.structure_item_title {
  font-size: 26px;
  letter-spacing: normal;
  line-height: 1.3;
  color: #4d4d4d;
  font-weight: 500;
  margin-bottom: 28px;
}
.structure_item_label {
  width: 100%;
  max-width: 165px;
  margin-bottom: 16px;
}
.structure_item_img {
  margin-top: 40px;
  width: 100%;
  max-width: 720px;
  margin-inline: auto;
}
.structure_wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: 40px;
}
.item_box {
  border: 1px solid #4d5b91;
  border-radius: 23px;
  padding-block: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.item_box_inner {
  width: 96%;
  margin-inline: auto;
  text-align: center;
}
.item_box_title {
  margin-top: 27px;
  font-size: 26px;
  letter-spacing: normal;
  line-height: 1;
  color: #4d5b91;
}
.item_box_text {
  margin-top: 40px;
  font-size: 16px;
  font-size: clamp(1.3rem, 0.767rem + 0.694vw, 1.6rem);
  letter-spacing: normal;
  line-height: 2;
}
.structure_item .contents_lead {
  font-size: 26px;
}

@media only screen and (max-width: 768px) {
  .structure {
    padding-block: 60px;
  }
  .structure .contents_title {
    margin-top: 16px;
    margin-bottom: 20px;
  }
  .structure_item {
    margin-top: 40px;
  }
  .structure_item_title {
    font-size: 18px;
    margin-bottom: 20px;
  }
  .structure_item_img {
    margin-top: 20px;
  }
  .structure_wrap {
    grid-template-columns: repeat(1, 1fr);
    gap: 20px;
  }
  .item_box {
    width: 90%;
    margin-inline: auto;
    padding-block: 20px;
  }
  .item_box_inner {
    width: 96%;
    margin-inline: auto;
    text-align: center;
  }
  .item_box_title {
    margin-top: 12px;
    font-size: 16px;
  }
  .item_box_text {
    margin-top: 20px;
    font-size: 14px;
    line-height: 1.6;
  }
  .structure_item .contents_lead {
    margin-top: 20px;
    font-size: 16px;
  }
}

/* summary
======================================== */
.summary {
  position: relative;
  padding-top: 60px;
  padding-bottom: 80px;
  background: url(../images/summary_bg.jpg) no-repeat center center / cover;
  z-index: 2;
}
.contents_area.summary .inner {
    max-width: 1000px;
}
.summary::before {
  content: "";
  position: absolute;
  bottom: -70px;
  left: 50%;
  transform: translateX(-50%);
  background: url(../images/summary_link_arrow.png) no-repeat center center /
    contain;
  width: 15px;
  height: 127px;
}
.summary_wrap {
  display: flex;
  justify-content: space-between;
  column-gap: 54px;
}
.summary .contents_body {
  width: 50%;
}
.summary .contents_img {
  width: 100%;
  max-width: 400px;
}
.summary .contents_title {
  margin-top: 34px;
  line-height: 1.7;
}
.summary .contents_text {
  margin-top: 30px;
}
.summary_wrap2 {
  margin-top: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  column-gap: 20px;
}
.summary_link {
  display: block;
  text-align: center;
  width: 100%;
  max-width: 360px;
  font-size: 14px;
  letter-spacing: normal;
  line-height: 1;
  color: #4d5b91;
  border: 1px solid rgba(77, 91, 145, 0.5);
  background-color: rgba(255, 255, 255, 0.5);
  padding-block: 26px;
  transition: all 0.4s;
}
.summary_link:hover {
  background-color: #fff;
  box-shadow: rgba(100, 100, 111, 0.2) 0px 7px 29px 0px;
}
.summary_link_img {
  display: block;
}
.summary .contents_lead {
  margin-top: 40px;
}

@media only screen and (max-width: 767px) {
  .summary {
    padding-block: 60px;
  }
  .summary::before {
    width: 10px;
    height: 70px;
    bottom: -32px;
  }
  .summary_wrap {
    flex-direction: column;
    row-gap: 40px;
  }
  .summary .contents_body {
    width: 100%;
  }
  .summary .contents_img {
    width: 70%;
    margin-inline: auto;
  }
  .summary .contents_title {
    margin-top: 16px;
  }
  .summary .contents_text {
    margin-top: 20px;
  }
  .summary_wrap2 {
    margin-top: 40px;
    flex-direction: column;
    row-gap: 20px;
  }
}

/* more
======================================== */
.more {
  padding-top: 120px;
  padding-bottom: 160px;
  background: url(../images/more_bg.jpg) no-repeat center center / cover;
}
.more .inner {
  max-width: 1000px;
}
.more_lead {
  margin-top: 34px;
  font-size: 26px;
  letter-spacing: normal;
  line-height: 1.3;
  color: #4d4d4d;
  font-weight: 500;
}
.more_item {
  position: relative;
  display: block;
  width: 100%;
  height: 260px;
  margin-top: 54px;
  background-color: #fff;
  border-radius: 130px 10px 10px 130px;
  padding-left: 70px;
  display: flex;
  align-items: center;
  box-shadow: 11px 15px 14px -7px rgba(159, 185, 212, 0.55);
  transition: all 0.4s;
  box-sizing: border-box;
  overflow: hidden;
}
.more_item.more_item02 {
  border-radius: 130px 10px 10px 130px;
  border-radius: 10px 130px 130px 10px;
  padding-right: 70px;
}
.more_item::before {
  content: "";
  position: absolute;
  width: 46%;
  height: 100%;
}
.more_item01::before {
  right: 0;
  background: url(../images/more_item01.png) no-repeat center left / cover;
}
.more_item02::before {
  left: 0;
  background: url(../images/more_item02.png) no-repeat center right / cover;
}
.more_item03::before {
  right: 0;
  background: url(../images/more_item03.png) no-repeat center left / cover;
}
.more_item_body {
  position: relative;
  width: 55%;
}
.more_item02 .more_item_body {
  width: 55%;
  margin-left: auto;
}
.more_item_title {
  font-size: 28px;
  font-size: 22px;
  letter-spacing: normal;
  line-height: 1.2;
  color: #4d5b91;
  font-weight: 400;
}
.more_item_text {
  margin-top: 38px;
  margin-top: clamp(1rem, -3.978rem + 6.481vw, 3.8rem);
  font-size: 16px;
  font-size: clamp(1.4rem, 1.044rem + 0.463vw, 1.6rem);
  letter-spacing: normal;
  line-height: 2.5;
  color: #4c4c4c;
}

@media only screen and (max-width: 767px) {
  .more {
    position: relative;
    padding-block: 60px;
  }
  .more_lead {
    margin-top: 16px;
    font-size: 20px;
    font-weight: 400;
  }
  .more_item {
    width: 100%;
    height: 140px;
    margin-top: 24px;
    border-radius: 20px;
    padding: 0px;
  }
  .more_item.more_item02 {
    padding-right: 0px;
    border-radius: 20px;
  }
  .more_item::before {
    content: "";
    position: absolute;
    width: 40%;
    height: 100%;
  }
  .more_item02::before {
    width: 47%;
    background: url(../images/more_item02_sp.png) no-repeat center right / cover;
  }
  .more_item_body {
    width: 70%;
    padding: 14px;
  }
  .more_item02 .more_item_body {
    width: 52%;
    margin-left: auto;
  }
  .more_item_title {
    font-size: 14px;
  }
  .more_item_text {
    margin-top: 8px;
    font-size: 12px;
    line-height: 1.7;
  }
}