@charset "UTF-8";

.header {
  background-color: #e5e5e5;
}

.main_area {
  padding-top: 60px;
  background: url(../images/main_bg.jpg) no-repeat top center / cover;
}

[id^="mechanism"] {
  scroll-margin-top: 90px; /* ヘッダー高さに合わせて調整（例） */
}

/* contents_area
======================================== */
.contents_area .inner {
  max-width: 1000px;
}


/* 共通
====================================== */
.main_title {
  font-size: 28px;
  letter-spacing: normal;
  line-height: 1.5;
  font-weight: 500;
}

@media only screen and (max-width: 767px) {
  .main_title {
    font-size: 20px;
  }
}

/* mechanism01
======================================== */
.mechanism01 {
  padding-top: 60px;
  padding-bottom: 120px;
}
.mechanism_title {
  font-size: 26px;
  letter-spacing: normal;
  line-height: 1.4;
  color: #918d4d;
  font-weight: 500;
}
.mechanism_title span {
  display: block;
  font-size: 22px;
  margin-bottom: 14px;
}
.mechanism_text {
  margin-top: 42px;
  font-size: 16px;
  line-height: 2.5;
}
.mechanism01_img {
  position: relative;
  max-width: 620px;
  margin: 60px auto ;
  isolation: isolate;
  aspect-ratio: 1 / 1;
}
.mechanism01_img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: auto;
  display: block;
}
.base {
  position: relative;
  opacity: 1;
  z-index: 10;
}
.seg {
  z-index: 2;
  opacity: 0;
  pointer-events: none;
}
.bubble {
  z-index: 3;
  opacity: 0;
}
.mechanism_cap {
  text-align: center;
  margin-top: 14px;
  font-size: 16px;
  color: #858487;
}

@media only screen and (max-width: 767px) {
  .mechanism01 {
    padding-top: 60px;
    padding-bottom: 60px;
  }
  .mechanism_title {
    font-size: 18px;
  }
  .mechanism_title span {
    font-size: 15px;
    margin-bottom: 10px;
  }
  .mechanism_text {
    margin-top: 26px;
    font-size: 13px;
    line-height: 2;
  }
  .mechanism01_img {
    margin-top: 30px;
    margin-bottom: 36px;
    text-align: center;
  }
  .mechanism_cap {
    right: -10px;
    bottom: -24px;
    font-size: 13px;
  }
}

/* mechanism02
======================================== */
.mechanism02 {
  padding-top: 120px;
  padding-bottom: 80px;
  background: url(../images/mechanism02_bg.png) no-repeat top center / cover;
}
.mechanism_head {
  margin-top: 60px;
  display: flex;
  align-items: center;
  column-gap: 24px;
  margin-bottom: 40px;
}
.mechanism_head.mt {
  margin-top: 120px;
}
.mechanism_head_title {
  width: 136px;
  height: 136px;
  border: 1px solid #4d5b91;
  background-color: #fff;
  border-radius: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 26px;
  letter-spacing: normal;
  line-height: 1.3;
  color: #4d5b91;
}
.mechanism02 .main_title {
  color: #4d5b91;
}
.mechanism02_img01 {
  text-align: center;
  margin-top: 70px;
}
.mechanism_box {
  margin-top: 77px;
  padding: 46px 46px;
  border: 1px solid #4d5b91;
  border-radius: 30px 0 30px 0;
}
.mechanism_box_lead {
  margin-top: 30px;
  font-size: 22px;
  letter-spacing: normal;
  line-height: 1.5;
  color: #4d5b91;
  font-weight: 500;
}
.mechanism02_graph {
  margin-top: 30px;
  max-width: 440px;
  margin-inline: auto;
}

@media only screen and (max-width: 767px) {
  .mechanism02 {
    padding-top: 50px;
    padding-bottom: 50px;
  }
  .mechanism_head {
    column-gap: 20px;
    margin-bottom: 20px;
  }
  .mechanism_head img {
    width: auto;
    height: 40px;
  }
  .mechanism_head.mt {
    margin-top: 60px;
  }
  .mechanism_head_title {
    width: 100px;
    height: 100px;
    font-size: 18px;
  }
  .mechanism02_img01 {
    position: relative;
    margin-top: 30px;
  }
  .mechanism_box {
    margin-top: 40px;
    padding: 30px 20px;
  }
  .mechanism_box_lead {
    margin-top: 14px;
    font-size: 15px;
  }
  .mechanism02_graph {
    margin-top: 20px;
  }
}

/* mechanism03
======================================== */
.mechanism03 {
  padding-top: 80px;
  padding-bottom: 130px;
}
.mechanism03 .main_title {
  color: #734d91;
}
.mechanism03_box {
  margin-top: 48px;
  background-color: #e7d6ec;
  border: 1px solid #734d91;
  border-radius: 30px;
  padding: 40px 30px;
}
.mechanism03_box_title {
  display: inline-block;
  font-size: 28px;
  letter-spacing: normal;
  line-height: 1.5;
  color: #734d91;
  font-weight: 500;
}
.mechanism03_box_wrap {
  margin-top: 32px;
  display: flex;
  justify-content: space-between;
  column-gap: 40px;
}
.mechanism03_box .mechanism_text {
  margin-top: 0;
  width: 100%;
  max-width: 530px;
}
.mechanism03_box_img {
  width: 100%;
  max-width: 353px;
}
.mechanism03_wrap {
  margin-top: 80px;
  display: flex;
  justify-content: space-between;
  column-gap: 20px;
  padding-right: 30px;
}
.mechanism03_wrap.mt0 {
  margin-top: 0px;
}
.mechanism03_wrap_body {
  width: 100%;
}
.mechanism03_wrap_body .mechanism_text {
  margin-top: 40px;
}
.mechanism03_wrap_body .mechanism_text.lh {
  line-height: 1.7;
  margin-left: 17px;
  text-indent: -17px;
}
.mechanism03_wrap_img {
  width: 100%;
  max-width: 353px;
}
.mechanism_box_wrap {
  margin-top: 50px;
  display: flex;
  justify-content: space-between;
  column-gap: 20px;
}
.mechanism_box_body {
  width: 100%;
  max-width: 500px;
}
.mechanism_box_body .mechanism_text {
  margin-top: 0;
}
.mechanism03_graph {
  width: 100%;
  max-width: 353px;
}
.mechanism03_lead {
  margin-top: 68px;
  margin-top: clamp(3.2rem, -0.702rem + 9.756vw, 6.8rem);
  text-align: center;
  font-size: 19px;
  font-size: clamp(1.4rem, 0.858rem + 1.355vw, 1.9rem);
  letter-spacing: normal;
  line-height: 1.7;
  color: #734d91;
  font-weight: 500;
}
.mechanism_bottom_lead {
  margin-top: 150px;
  color: #4d5b91;
}

@media only screen and (max-width: 767px) {
  .mechanism03 {
    padding-top: 40px;
    padding-bottom: 60px;
  }
  .mechanism03_box {
    margin-top: 30px;
    padding: 30px 20px;
  }
  .mechanism03_box_title {
    font-size: 20px;
  }
  .mechanism03_box_wrap {
    margin-top: 22px;
    flex-direction: column;
    row-gap: 20px;
  }
  .mechanism03_box .mechanism_text {
    margin-top: 0;
    width: 100%;
    max-width: 530px;
  }
  .mechanism03_box_img {
    margin-inline: auto;
  }
  .mechanism03_wrap {
    margin-top: 50px;
    flex-direction: column;
    row-gap: 20px;
    padding-right: 0px;
  }
  .mechanism03_wrap_body .mechanism_text {
    margin-top: 18px;
  }
  .mechanism03_wrap_body .mechanism_text.lh {
    margin-left: 14px;
    text-indent: -14px;
  }
  .mechanism03_wrap_img {
    margin-inline: auto;
  }
  .mechanism_box_wrap {
    margin-top: 20px;
    flex-direction: column;
    row-gap: 20px;
  }
  .mechanism03_graph {
    margin-inline: auto;
  }
  .mechanism_bottom_lead {
    margin-top: 24px;
  }
}