h3,h4 {
  font-size: 2.5rem;
}

#s1_h3_01 {
  margin-bottom: 35px;
}

h5 {
  color: #00aa7c;
}

#s1 {
  margin: 40px auto 95px;
}

@media (width < 770px) {
  #s1 {
    margin-top: 90px;
  }
}

#s1 .sys_cont:last-child {
  margin-top: 80px;
}

#s1 .sys_ttl {
  background: #efefef;
  margin: 15px 0 23px;
  padding: 10px 0 7px 24px;
}


#s1 .sys_ttl .ico_area {
  padding-right: 11px;
  gap: 15px;
}

#s1 .sys_fb {
  gap: 10px;
}

#s1 h5 {
  font-size: 2.2rem;
  border-bottom: 3px solid #efefef;
  padding-bottom: 10px;
  margin-bottom: 10px;
}

#s1 .txt_area h5:last-of-type {
  margin-top: 20px;
}

#s1 .txt_area b {
  font-size: 1.9rem;
}

#s1 .txt_area ul {
  margin: 5px 0 20px;
}

#s1 .txt_area ul li {
  font-size: 1.8rem;
  margin-bottom: 5px;
}

#s1 .sys_fb img {
  height: 100%;
  margin-top: 15px;
}

#s1 .sys_fb .note {
  padding-left: 1.2em;
}

@media (width < 770px) {
  .ico_area {
    justify-content: end;
    margin-top: 10px;
  }

  #s1 .sys_fb .note {
    padding-left: 0;
  }
}

#s1 .s1_link {
  margin: 20px auto 0px auto;
}

#s1 .s1_link a {
  font-size: 2.3rem;
  font-weight: bold;
  color: #2752ab;
  border-radius: 5px;
  border: solid 2px #2752ab;
  padding: 18px 18px 18px 0;
  display: block;
  position: relative;
  text-align: center;
}

#s1 .s1_link a::after {
  position: absolute;
  content: '';
  width: 21px;
  height: 21px;
  right: 20px;
  top: 50%;
  transform: translateY(-40%);
  background: url("../img/link_blue.png") no-repeat;
  background-size: contain;
}

#s1 .s1_link a:hover {
  background: #dbe7ff;
}

@media (width < 770px) {
  #s1 .s1_link {
    height: auto;
  }

  #s1 .s1_link a {
    font-size: 2rem;
    line-height: inherit;
    padding: 20px 0;
  }

  #s1 .s1_link a::after {
    width: 25px;
    height: 25px;
    transform: translateY(90%);
    top: 0;
  }
}

#s1 .s1_claio{
	margin-top: 60px;
}

#s1 .s1_claio p{
	line-height: 170%;
}

@media (width > 770px) {
	#s1 .s1_claio img{
		margin: 30px 30px 0 0;
	}
}

@media (width < 770px) {
	#s1 .s1_claio p{
		margin-top: 10px;
	}
}

#s2 {
  margin-bottom: 100px;
}

#s2 .flow {
  margin-top: 15px;
}

#s2 .flow_inner {
  height: 100px;
  position: relative;
  margin-bottom: 42px;
  background: #e6f7f4;
}

#s2 .flow_inner.fb_box01 {
  align-items: center;
  justify-content: start;
  gap: 36px;
}

#s2 .flow_inner:not(:last-child)::before {
  position: absolute;
  content: '';
  width: 48px;
  height: 26px;
  background-color: #00aa7c;
  clip-path: polygon(50% 26px, 0% 0%, 48px 0%);
  bottom: -34px;
  left: 92px;
}

#s2 .flow_box {
  width: 200px;
  height: 60px;
  margin-left: 18px;
  border-radius: 5px;
  background: #00aa7c;
  text-align: center;
}

#s2 .flow_box p {
  font-size: 2rem;
  font-weight: bold;
  font-family: "Noto Sans JP";
  color: #fff;
  line-height: 60px;
}

@media (width < 770px) {
  #s2 .flow_inner {
    height: auto;
    padding: 20px;
  }

  #s2 .flow_box {
    margin-left: 0;
  }

  #s2 .flow_inner:not(:last-child)::before {
    left: 50%;
    transform: translateX(-50%);
  }

  #s2 .flow_inner:nth-child(n+2):nth-child(-n+5)::before {
    bottom: -35px;
  }

  #s2 .flow_inner.fb_box01 {
    gap: 15px;
  }
}

#s3 .maintenance {
  margin-top: 35px;
}

#s3 .maintenance_inner {
  align-items: center;
  gap: 50px;
}

#s3 .maintenance_inner:not(:last-child) {
  border-bottom: 2px solid #efefef;
  padding-bottom: 40px;
  margin-bottom: 40px;
}

#s3 .maintenance_inner img {
  height: 100%;
}

#s3 h4 {
  margin-bottom: 15px;
}

#s3 p {
  font-size: 1.7rem;
}

@media (width < 770px) {
  #s3 .maintenance_inner {
    gap: 20px;
  }
}

#s4 {
  margin: 95px auto 100px;
}