.why_content {
  background: linear-gradient(180deg, #C3D3E2 0%, #E7F0F5 100%);
  padding: 90px 40px 100px;
}
.why_letter {
  position: relative;
  width: 720px;
  margin: 0 auto;
  padding: 56px 72px 48px;
  background-color: #fffcf7;
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.55) 0%, rgba(255, 252, 247, 0.2) 48%, rgba(245, 238, 226, 0.35) 100%);
  box-shadow: 0 20px 44px rgba(17, 51, 102, 0.14);
  color: #313131;
}
.why_letter::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(17, 51, 102, 0.14);
  pointer-events: none;
}
.why_letter .letter_label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: #113366;
  padding-bottom: 16px;
  border-bottom: 1px solid #113366;
}
.why_letter .ttl {
  margin-top: 36px;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.75;
  letter-spacing: 0.08em;
  color: #113366;
}
.why_letter .ttl span {
  border-bottom: 2px solid #113366;
  padding-bottom: 2px;
}
.why_letter .lead {
  margin-top: 40px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 2;
  color: #113366;
}
.why_letter .desc {
  margin-top: 22px;
  font-size: 15px;
  line-height: 2.15;
  letter-spacing: 0.06em;
}
.why_letter .desc span {
  font-weight: 700;
  color: #113366;
}
.why_letter .letter_sign {
  margin-top: 48px;
  text-align: right;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #113366;
}
.why_content .box_wrap {
  margin-top: -266px;
}
.why_content .box_wrap ul {
  display: flex;
  justify-content: center;
  gap: 17px;
}
.why_content .box_wrap ul li {
  letter-spacing: 0.02em;
  padding: 30px;
  background-color: #F0F5F9;
  border: 2px solid #113366;
  box-shadow: rgba(0, 0, 0, 0.25) 0px 4px 4px;
  width: 322px;
}
.why_content .box_wrap ul li .pic {
  width: 120px;
  margin-left: auto;
  margin-right: auto;
}
.why_content .box_wrap ul li .heading {
  margin-top: 25px;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 49px;
  background-color: #113366;
  color: #fff;
  font-weight: bold;
  font-size: 24px;
}
.why_content .box_wrap ul li .desc {
  margin-top: 22px;
  color: #113366;
}

.how_content {
  padding-top: 90px;
  padding-bottom: 90px;
  background-color: #F9F9FA;
}
.how_content .c_ttl_wrap {
  flex-direction: column-reverse;
  justify-content: center;
  align-items: center;
  gap: 15px;
}
.how_content .lead_txt {
  letter-spacing: 0.03em;
  margin-top: 35px;
  text-align: center;
}
.how_content .content_wrap {
  background-color: #fff;
  width: 980px;
  margin-top: 45px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: rgba(0, 0, 0, 0.25) 0px 4px 4px;
  padding: 35px;
}
.how_content .content_wrap ul {
  display: flex;
  justify-content: space-between;
}
.how_content .content_wrap ul li {
  width: 280px;
}
.how_content .content_wrap ul li .heading {
  margin-top: 15px;
  text-align: center;
  font-size: 22px;
  font-weight: bold;
  color: #113366;
  position: relative;
}
.how_content .content_wrap ul li .heading::after {
  content: "";
  display: block;
  width: 30px;
  height: 2px;
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #2B78B0;
}
.how_content .content_wrap ul li .desc {
  margin-top: 40px;
  line-height: 1.4;
}

.salary_content {
  padding-top: 90px;
  padding-bottom: 90px;
  background-color: #F9F9FA;
}
.salary_content .content_wrap {
  width: 844px;
  padding: 90px 0;
  background: url(../../img/why/bg_why_salary_grade.png) no-repeat center;
  background-size: cover;
  margin-left: auto;
  margin-right: auto;
}
.salary_content .content_wrap dl {
  margin-top: 45px;
  width: 270px;
  display: flex;
  flex-wrap: wrap;
  margin-left: auto;
  margin-right: auto;
  gap: 20px 0;
}
.salary_content .content_wrap dl dt {
  letter-spacing: 0.03em;
  width: 80px;
}
.salary_content .content_wrap dl dd {
  letter-spacing: 0.03em;
  padding-left: 40px;
  position: relative;
  width: calc(100% - 80px);
}
.salary_content .content_wrap dl dd::before {
  content: "";
  display: block;
  width: 2px;
  height: 15px;
  background-color: #3973C2;
  position: absolute;
  top: 5px;
  left: 0;
}

.pmo_strength {
  padding: 90px 40px 100px;
  background-color: #fff;
  scroll-margin-top: 24px;
}

.pmo_strength .pmo_key {
  margin: 42px auto 0;
  max-width: 820px;
  text-align: center;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: #113366;
}

.pmo_strength .lead_txt {
  margin: 28px auto 0;
  max-width: 820px;
  text-align: center;
  line-height: 1.9;
  letter-spacing: 0.02em;
}

.pmo_caps {
  margin: 56px auto 0;
  max-width: 920px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px 24px;
}

.pmo_caps li {
  width: 148px;
  text-align: center;
}

.pmo_caps .heading {
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #113366;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.pmo_caps .pic {
  margin-top: 16px;
}

.pmo_caps .pic img {
  width: 110px;
  height: auto;
}

.pmo_fields {
  margin: 72px auto 0;
  max-width: 1000px;
}

.pmo_subttl {
  text-align: center;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #113366;
}

.pmo_fields ul {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.pmo_fields li {
  padding: 28px 24px 30px;
  background-color: #f5f7fc;
}

.pmo_fields .label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #3973c2;
}

.pmo_fields .heading {
  margin-top: 10px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: #113366;
}

.pmo_fields .desc {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.8;
}

.pmo_ai {
  margin: 72px auto 0;
  max-width: 1000px;
  padding: 48px 40px 44px;
  background-color: #113366;
  color: #fff;
}

.pmo_ai .pmo_subttl {
  color: #fff;
}

.pmo_ai > .desc {
  margin: 18px auto 0;
  max-width: 760px;
  text-align: center;
  line-height: 1.9;
}

.pmo_ai ul {
  margin-top: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 28px;
}

.pmo_ai li {
  padding: 8px 8px 12px 0;
  border-bottom: 1px solid rgba(146, 179, 228, 0.45);
}

.pmo_ai .num {
  font-size: 22px;
  font-weight: 700;
  color: #9ce9ff;
}

.pmo_ai .heading {
  margin-top: 4px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.pmo_ai .txt {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.8;
}

@media screen and (max-width: 767px) {
  .why_content {
    padding: 50px 20px 65px;
  }
  .why_letter {
    width: 100%;
    padding: 36px 28px 32px;
  }
  .why_letter::before {
    inset: 10px;
  }
  .why_letter .ttl {
    margin-top: 28px;
    font-size: 22px;
    letter-spacing: 0.04em;
  }
  .why_letter .lead {
    margin-top: 28px;
    font-size: 16px;
  }
  .why_letter .desc {
    font-size: 14px;
    line-height: 2;
  }
  .why_letter .letter_sign {
    margin-top: 36px;
    font-size: 14px;
  }
  .why_content .box_wrap {
    padding-left: 15px;
    padding-right: 15px;
  }
  .why_content .box_wrap ul {
    flex-direction: column;
  }
  .why_content .box_wrap ul li {
    width: 100%;
  }
  .why_content .box_wrap ul li .heading {
    font-size: 24px;
    font-weight: 600;
    height: 55px;
    max-width: 262px;
    margin-left: auto;
    margin-right: auto;
  }
  .how_content {
    padding-left: 21px;
    padding-right: 21px;
  }
  .how_content .c_ttl_wrap .jp {
    text-align: center;
  }
  .how_content .lead_txt {
    padding: 0 9px;
    text-align: left;
    margin-top: 25px;
  }
  .how_content .content_wrap {
    width: 100%;
    padding: 20px 35px 30px;
  }
  .how_content .content_wrap ul {
    flex-direction: column;
    gap: 40px;
  }
  .how_content .content_wrap ul li {
    width: 100%;
  }
  .how_content .content_wrap ul li .pic {
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
  }
  .how_content .content_wrap ul li .heading::after {
    bottom: -10px;
  }
  .how_content .content_wrap ul li .desc {
    margin-top: 32px;
  }
  .salary_content {
    background-color: transparent;
    padding-top: 0;
    padding-bottom: 0;
  }
  .salary_content .content_wrap {
    width: 100%;
    padding: 60px 0;
    background-image: url(../../img/why/bg_why_salary_grade_sp.png);
  }
  .salary_content .content_wrap dl {
    margin-top: 35px;
    gap: 15px 0;
  }
  .pmo_strength {
    padding: 60px 20px 70px;
  }
  .pmo_strength .pmo_key {
    font-size: 20px;
    margin-top: 28px;
  }
  .pmo_strength .lead_txt {
    text-align: left;
    margin-top: 20px;
  }
  .pmo_caps {
    margin-top: 36px;
    gap: 24px 16px;
  }
  .pmo_caps li {
    width: 46%;
  }
  .pmo_caps .pic img {
    width: 90px;
  }
  .pmo_fields {
    margin-top: 48px;
  }
  .pmo_fields ul {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .pmo_fields li {
    padding: 22px 18px 24px;
  }
  .pmo_fields .heading {
    font-size: 16px;
  }
  .pmo_ai {
    margin-top: 48px;
    padding: 32px 18px 28px;
  }
  .pmo_ai > .desc {
    text-align: left;
  }
  .pmo_ai ul {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}