@charset "UTF-8";
body.about * {
  box-sizing: border-box;
}

h2 {
  font-size: 40px;
  line-height: 1.4;
  color: #111;
  font-weight: bold;
  letter-spacing: 5px;
}

h3 {
  display: inline-block;
}
h3 span {
  display: block;
  font-size: 32px;
  line-height: 1.2;
  color: #009b83;
  font-weight: bold;
  letter-spacing: 5px;
  padding-bottom: 10px;
  border-bottom: 6px solid #009b83;
}

p {
  text-align: left;
  font-size: 16px;
  line-height: 1.875;
}

main {
  background: #f4f4f2;
}

.top_btn {
  z-index: 5;
}

.btn_link a {
  position: relative;
  display: block;
  width: 100%;
  height: 80px;
  color: #fff;
  font-size: 18px;
  font-weight: bold;
  line-height: 1.2;
  text-align: center;
  border-radius: 3px;
}

.btn_link a::before {
  content: "→";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: 20px;
  transition: all 0.3s ease 0s;
}

.btn_link a:first-of-type {
  margin-right: 7%;
  background-color: #111;
}

.btn_link a:last-of-type {
  background-color: #009b83;
}

.btn_link a span {
  display: flex;
  height: 100%;
  padding: 0 40px;
  justify-content: center;
  align-items: center;
}

.mv {
  position: relative;
  padding-top: 25%;
  background: url(../assets/img/about/main.png) no-repeat bottom center;
  background-size: cover;
}
.mv h2 {
  position: absolute;
  width: 100%;
  left: 0;
  top: 50%;
  color: #fff;
  text-align: center;
  font-size: 50px;
  transform: translateY(-50%);
}

.sec1 {
  padding: 5% 0 0;
  text-align: center;
}
.sec1 .sec1_inner {
  width: 88%;
  max-width: 1100px;
  margin: 0 auto;
}
.sec1 .sec1_inner .image_flow {
  margin: 5% 0 7%;
}
.sec1 .sec1_inner .sec1_warp {
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
}
.sec1 .sec1_inner .sec1_warp .txt {
  width: 55%;
}
.sec1 .sec1_inner .sec1_warp .img {
  width: 55%;
}
.sec1 .sec1_inner .sec1_warp .img img {
  width: 70%;
}
.sec1 .sec1_inner .sec1_warp:last-of-type {
  margin-top: 3%;
  padding-bottom: 100px;
}
.sec1 .sec1_inner .sec1_warp:last-of-type .txt {
  order: 2;
}
.sec1 .sec1_inner .sec1_warp:last-of-type .img {
  order: 1;
}
.sec1 .sec1_inner .sec1_warp:last-of-type .img img {
  width: 60%;
}

.sec2 {
  text-align: center;
  padding-bottom: 60px;
  background: #fff;
}
.sec2 .sec2_inner {
  margin: 0 auto;
  width: 88%;
  max-width: 1000px;
}
.sec2 .sec2_inner p {
  margin-top: 2%;
}
.sec2 .sec2_inner .column_wrap {
  margin-top: 3%;
  padding: 3%;
  border: 2px solid #009b83;
}
.sec2 .sec2_inner .column_wrap h3 {
  display: inline-block;
  padding: 10px 40px 0 0;
  background: url(../assets/img/about/column_icon.png) no-repeat bottom 10px right;
}
.sec2 .sec2_inner .column_wrap h3 span {
  font-size: 20px;
  margin: 0;
  border-bottom: none;
}
.sec2 .sec2_2inner {
  margin: 0 auto;
  width: 88%;
  max-width: 1200px;
}
.sec2 .sec2_2inner h3 {
  padding-top: 7%;
}
.sec2 .sec2_2inner .sec2_2warp {
  display: flex;
  justify-content: space-between;
  text-align: left;
  margin-top: 15%;
}
.sec2 .sec2_2inner .sec2_2warp .img {
  width: 53%;
}
.sec2 .sec2_2inner .sec2_2warp .img img {
  width: 118%;
  margin-right: -18%;
  margin-top: -24%;
}
.sec2 .sec2_2inner .sec2_2warp .txt {
  position: relative;
  width: 47%;
  padding: 4%;
  background: #f4f4f1;
  z-index: 2;
}
.sec2 .sec2_2inner .sec2_2warp .txt strong {
  display: block;
  font-size: 24px;
  color: #009b83;
  margin-bottom: 5%;
}
.sec2 .sec2_2inner .sec2_2warp:last-of-type {
  margin-top: 17%;
}
.sec2 .sec2_2inner .sec2_2warp:last-of-type .img {
  text-align: right;
  order: 2;
}
.sec2 .sec2_2inner .sec2_2warp:last-of-type .img img {
  margin-right: 0;
  margin-left: -18%;
}
.sec2 .sec2_2inner .sec2_2warp:last-of-type .txt {
  order: 1;
  left: 0;
  right: auto;
}

.sec3 {
  width: 88%;
  max-width: 1200px;
  text-align: center;
  margin: 0 auto;
  padding: 4% 0 5%;
}
.sec3 .sec3_inner h3 {
  padding: 4% 0 2%;
}
.sec3 .sec3_inner .btn {
  width: 33%;
  max-width: 400px;
  margin: 2% auto 0;
}
.sec3 .btn_link a:last-of-type {
  background-color: #0b8d2d;
}

.sec4 {
  text-align: center;
  padding: 90px 0;
  background: #fff;
}
.sec4 .sec4_inner {
  width: 88%;
  margin: 0 auto;
}
.sec4 .sec4_inner img {
  max-width: 1000px;
}

@media screen and (max-width: 769px) {
  h2 {
    font-size: 6.6666666667vw;
    letter-spacing: 1vw;
  }
  h3 span {
    font-size: 6.4vw;
    letter-spacing: 1vw;
    border-bottom: 4px solid #009b83;
  }
  .mv {
    background: url(../assets/img/about/main-sp.png) no-repeat bottom center;
    background-size: cover;
    padding-top: 50%;
  }
  .mv h2 {
    font-size: 6.6666666667vw;
    letter-spacing: 0;
  }
  .sec1 {
    padding: 9% 0 0;
  }
  .sec1 .sec1_inner .image_flow {
    margin: 9% 0 13%;
  }
  .sec1 .sec1_inner .sec1_warp {
    display: block;
  }
  .sec1 .sec1_inner .sec1_warp .txt {
    width: 100%;
  }
  .sec1 .sec1_inner .sec1_warp .img {
    width: 100%;
    margin-top: 30px;
  }
  .sec1 .sec1_inner .sec1_warp .img img {
    width: 100%;
  }
  .sec1 .sec1_inner .sec1_warp:last-of-type {
    margin-top: 9%;
  }
  .sec1 .sec1_inner .sec1_warp:last-of-type .img img {
    width: 80%;
  }
  .sec2 .sec2_inner .column_wrap {
    margin-top: 7%;
    padding: 7%;
  }
  .sec2 .sec2_2inner {
    width: 100%;
  }
  .sec2 .sec2_2inner h3 {
    padding-top: 16%;
  }
  .sec2 .sec2_2inner .sec2_2warp {
    display: block;
    margin-top: 13%;
  }
  .sec2 .sec2_2inner .sec2_2warp .img {
    width: 100%;
  }
  .sec2 .sec2_2inner .sec2_2warp .img img {
    width: 100%;
    margin: 0;
  }
  .sec2 .sec2_2inner .sec2_2warp .txt {
    width: 100%;
    padding: 6%;
  }
  .sec2 .sec2_2inner .sec2_2warp .txt strong {
    font-size: 4.8vw;
    line-height: 1.6;
    text-align: center;
  }
  .sec2 .sec2_2inner .sec2_2warp:last-of-type {
    margin-top: 13%;
  }
  .sec3 {
    padding: 11% 0;
  }
  .sec3 .sec3_inner h3 {
    padding: 7% 0;
  }
  .sec3 .sec3_inner .btn {
    width: 100%;
    margin: 11% auto 0;
  }
  .sec4 {
    padding: 12% 0;
  }
  .sec4 .sec4_inner .btn_link {
    display: block;
  }
  .sec4 .sec4_inner .btn_link a {
    width: 100%;
  }
}
@media screen and (max-width: 1100px) and (min-width: 768px) {
  .sec1 .sec1_inner .sec1_warp .txt {
    width: 75%;
  }
  .sec2 .sec2_2inner .sec2_2warp .txt {
    width: 80%;
  }
  .sec2 .sec2_2inner .sec2_2warp .img img {
    width: 140%;
    margin-left: 0;
    margin-right: 0;
  }
}