@charset "UTF-8";
.tab {
  padding-top: 100px;
}

.flex {
  align-items: flex-start;
}

.w60 {
  width: 60%;
  margin: 0 auto;
}

.w70 {
  width: 70%;
  margin: 0 auto;
}

.w80 {
  width: 80%;
  margin: 0 auto;
}

.w90 {
  width: 90%;
  margin: 0 auto;
}

.under_content {
  background: #eff6fa;
  padding-bottom: 100px;
}

.under_content p {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-style: normal;
}

small {
  line-height: 1.3;
  margin-top: 10px;
}

.main {
  position: relative;
}

.main h2 {
  width: 90%;
  max-width: 800px;
  position: absolute;
  top: 24%;
  left: 10%;
}

main .mv_bg .cap_txt {
  top: 5px;
  bottom: initial;
}

[class$="_flex"] {
  display: flex;
  flex-wrap: wrap;
  gap: 4%;
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

[class$="_flex"] .text {
  width: 76%;
}

[class$="_flex"] .logo {
  width: 20%;
}

.ttl01_flex {
  margin-top: -20%;
  position: relative;
  z-index: 5;
}

.sec_ttl {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  background: #004190;
  padding: 10px 0 10px 20px;
  margin-bottom: 20px;
  mask-image: linear-gradient(to right, #000 0%, #000 60%, transparent 100%);

  -webkit-mask-image: linear-gradient(
    to right,
    #000 0%,
    #000 60%,
    transparent 100%
  );
}

.sec_ttl .big {
  display: inline-block;
  font-size: 1.6em;
  padding-left: 20px;
}

.ttl03_flex .sec_ttl .big {
  padding-left: 0;
}

.ttl03_flex .text {
  width: 56%;
}

.ttl03_flex .ttl_imageflex {
  gap: 4%;
  width: 40%;
}

.ttl03_flex .ttl_imageflex figure {
  width: 48%;
}

.w_inner {
  width: 90%;
  max-width: 1200px;
  margin: 60px auto 0;
}

.con_ttl {
  background: #fff;
  margin-bottom: 20px;
  position: relative;
}

.con_ttl .din {
  display: inline-block;
  font-weight: 600;
  font-family: "Roboto", sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
  font-variation-settings: "wdth" 100;
  font-size: 15px;
  color: #fff;
  background: #a3cadd;
  border-top-right-radius: 10px;
  border-bottom-right-radius: 10px;
  padding: 5px 15px;
  margin: 10px 0;
}

.con_ttl .zen {
  font-weight: 600;
  font-size: 28px;
  letter-spacing: 8px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.w_txt {
  font-size: 14px;
  letter-spacing: 1px;
  line-height: 1.8;
}

.blue_ttl {
  font-weight: 600;
  text-align: center;
  background: #a3cadd;
  padding: 10px 0;
  margin: 20px 0;
}

.blue_ttl .big {
  display: inline-block;
  font-size: 1.6em;
  padding-left: 20px;
}

.w_flex01 {
  gap: 4%;
  margin-top: 20px;
}

.w_flex01 figure:nth-of-type(1) {
  width: 36%;
}

.w_flex01 figure:nth-of-type(2) {
  width: 60%;
}

.space {
  margin-top: 20px;
}

.space02 {
  margin-top: 40px;
}

.img_ttl {
  width: 80%;
  margin: 0 auto 20px;
}

.line {
  border-top: 1px solid #221815;
  margin: 40px 0;
}

.micro_flex,
.air_flex {
  gap: 4%;
}

.micro_flex p,
.air_flex p {
  width: 56%;
}

.micro_flex figure,
.air_flex figure {
  width: 40%;
}

.grayttl,
.bbttl {
  font-size: 18px;
  letter-spacing: 1px;
  text-align: center;
  padding: 10px 0;
  margin-bottom: 10px;
}

.grayttl {
  color: #fff;
  background: #767676;
}

.bbttl {
  color: #767676;
  border: 1px solid #767676;
}

.care_flex {
  align-items: flex-start;
  gap: 4%;
  width: 100%;
}

.care_flex p {
  width: 56%;
}

.care_flex figure {
  width: 40%;
}

.arrow {
  width: 0;
  height: 0;
  border-left: 40px solid transparent;
  border-right: 40px solid transparent;
  border-top: 22px solid #9bc9db;
  margin: 14px auto;
}

.point_item {
  margin-top: 60px;
}

.point_item .grayttl {
  margin-bottom: 40px;
}

.point_icon {
  display: inline-block;
  color: #fff;
  text-align: center;
  background: #a3cadd;
  padding: 8px 30px 8px 10px;
  border-top-right-radius: 20px;
  border-bottom-right-radius: 20px;
  margin: 0 0 15px 0;
}

.zero_flex {
  gap: 4%;
  margin-bottom: 10px;
}

.zero_flex .text {
  width: 46%;
}

.zero_flex figure {
  width: 50%;
}

.zero_ttl .big {
  font-size: 2em;
  letter-spacing: 8px;
}

.water23 {
  margin-top: 40px;
}

/*---------------------------
tab
---------------------------*/
@media only screen and (max-width: 1024px) {
}

/*---------------------------
sp
---------------------------*/
@media only screen and (max-width: 768px) {
  .tab {
    padding-top: 50px;
  }
  .under_content {
    padding-bottom: 50px;
  }

  .main h2 {
    top: 44%;
    left: 50%;
    transform: translateX(-50%);
  }

  .ttl01_flex {
    margin-top: 0;
  }

  [class$="_flex"] .text {
    width: 100%;
  }

  [class$="_flex"] .logo {
    width: 60%;
    margin: 20px auto 0;
  }

  .ttl03_flex .ttl_imageflex {
    width: 100%;
    margin-top: 20px;
  }

  .w_inner {
    margin-top: 40px;
  }

  .sec_ttl {
    font-size: 14px;
    mask-image: linear-gradient(to right, #000 0%, #000 80%, transparent 100%);

    -webkit-mask-image: linear-gradient(
      to right,
      #000 0%,
      #000 80%,
      transparent 100%
    );
  }

  .sec_ttl .big {
    padding-left: 0;
  }

  .con_ttl .din {
    font-size: 12px;
  }

  .con_ttl .zen {
    font-size: 20px;
  }

  .w_flex01 figure:nth-of-type(1) {
    width: 100%;
    margin-top: 20px;
    order: 2;
  }

  .w_flex01 figure:nth-of-type(2) {
    width: 100%;
    order: 1;
  }

  .micro_flex p,
  .air_flex p {
    width: 100%;
  }

  .micro_flex figure,
  .air_flex figure {
    width: 80%;
    margin: 20px auto 0;
  }

  .point_item .grayttl {
    margin-bottom: 20px;
  }

  .point_icon {
    display: block;
  }

  .zero_flex .text {
    width: 100%;
  }

  .zero_flex figure {
    width: 100%;
    margin-top: 20px;
  }

  .zero_ttl {
    text-align: center;
  }
}
