.key {
  position: relative;
  height: 550px;
  background: url(../images/about/key.jpg) center top/cover no-repeat;
}

.key:before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 50%;
  height: 3.9vw;
  background: url(../images/common/key_bg.png) center/cover no-repeat;
}

.key:after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  width: 50%;
  height: 3.9vw;
  -webkit-transform: rotateY(180deg);
          transform: rotateY(180deg);
  background: url(../images/common/key_bg.png) center/cover no-repeat;
}

.key .inner {
  width: 1280px;
  margin: 0 auto;
}

.key .key_text {
  position: relative;
  padding-top: 300px;
  padding-left: 300px;
  font-size: 30px;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: .07em;
}

.key .key_text:before {
  content: "CLINIC";
  position: absolute;
  top: 200px;
  left: 280px;
  font-size: 70px;
  letter-spacing: .05em;
}

@media screen and (max-width: 768px) {
  .key {
    position: relative;
    height: 97.2vw;
    background: url(../images/about/key.jpg) center top/cover no-repeat;
  }
  .key:before {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 50%;
    height: 3.9vw;
    background: url(../images/common/key_bg.png) center/cover no-repeat;
  }
  .key:after {
    content: "";
    position: absolute;
    right: 0;
    bottom: -1px;
    width: 50%;
    height: 3.9vw;
    -webkit-transform: rotateY(180deg);
            transform: rotateY(180deg);
    background: url(../images/common/key_bg.png) center/cover no-repeat;
  }
  .key .inner {
    width: 100%;
    margin: 0 auto;
  }
  .key .key_text {
    position: relative;
    padding-top: 55.5vw;
    padding-left: 5.5vw;
    font-size: 8.3vw;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: .07em;
  }
  .key .key_text:before {
    content: "CLINIC";
    position: absolute;
    top: 33.3vw;
    left: 5.5vw;
    width: 90%;
    font-size: 13.8vw;
    letter-spacing: .05em;
  }
}

.sec01 {
  padding-top: 100px;
  padding-bottom: 100px;
}

.sec01 .inner {
  width: 1160px;
  margin: 0 auto;
}

.sec01 .sec_title {
  margin-bottom: 80px;
  font-family: "noto serif jp", serif;
  font-size: 35px;
  font-weight: 600;
  letter-spacing: .1em;
  text-align: center;
}

.sec01 .list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

.sec01 .item {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  width: 363px;
  padding-bottom: 30px;
  border: 1px solid #6d5344;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  background: #fcf8f0;
}

.sec01 .item:nth-child(n - 6) {
  margin-bottom: 30px;
}

.sec01 .item_image {
  margin-bottom: 20px;
}

.sec01 .item_title {
  margin-bottom: 20px;
  font-family: "noto serif jp", serif;
  font-size: 25px;
  font-weight: 600;
  letter-spacing: .1em;
  text-align: center;
}

.sec01 .item_text {
  padding: 0 20px;
  margin-bottom: 20px;
  letter-spacing: .03em;
  line-height: 2;
  text-align: justify;
}

.sec01 .item_btn {
  width: 284px;
  margin: auto auto 0;
  background: #fff;
}

.sec01 .item_btn a {
  display: block;
  width: 100%;
  height: 100%;
  padding: 10px 0;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  background: #da7b7a;
  color: #fff;
  letter-spacing: .03em;
  text-align: center;
}

@media screen and (max-width: 768px) {
  .sec01 {
    padding-top: 27.7vw;
    padding-bottom: 27.7vw;
    padding-left: 5.5vw;
    padding-right: 5.5vw;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
  }
  .sec01 .inner {
    width: 100%;
    margin: 0 auto;
  }
  .sec01 .sec_title {
    margin-bottom: 22.2vw;
    font-family: "noto serif jp", serif;
    font-size: 6.9vw;
    font-weight: 600;
    letter-spacing: .1em;
    text-align: center;
  }
  .sec01 .list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
  }
  .sec01 .item {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    width: 88.8vw;
    padding-bottom: 8.3vw;
    border: 1px solid #6d5344;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    background: #fcf8f0;
  }
  .sec01 .item:nth-child(n - 6) {
    margin-bottom: 8.3vw;
  }
  .sec01 .item_image {
    width: 100%;
    margin-bottom: 5.5vw;
  }
  .sec01 .item_image img {
    width: 100%;
    -o-object-fit: cover;
       object-fit: cover;
  }
  .sec01 .item_title {
    margin-bottom: 5.5vw;
    font-family: "noto serif jp", serif;
    font-size: 5.5vw;
    font-weight: 600;
    letter-spacing: .1em;
    text-align: center;
  }
  .sec01 .item_text {
    padding: 0 5.5vw;
    margin-bottom: 5.5vw;
    letter-spacing: .03em;
    line-height: 2;
    text-align: justify;
    font-size: 4.4vw;
  }
  .sec01 .item_btn {
    width: 78.8vw;
    height: auto;
    margin: auto auto 0;
    background: #fff;
  }
  .sec01 .item_btn a {
    display: block;
    width: 100%;
    height: 100%;
    padding: 2.7vw 0;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    background: #da7b7a;
    font-size: 4.4vw;
    color: #fff;
    letter-spacing: .03em;
    text-align: center;
  }
}

.sec02 {
  padding-bottom: 80px;
}

.sec02 .sec_header {
  position: relative;
  width: 1240px;
  height: 170px;
  margin: 0 auto 80px;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  background: #ce807d;
}

.sec02 .sec_header:before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  width: 1237px;
  height: 170px;
  margin: auto;
  background: url(../images/caries/bg01.png) center/contain no-repeat;
}

.sec02 .sec_title {
  position: relative;
  z-index: 2;
  font-size: 35px;
  color: #fff;
  line-height: 170px;
  letter-spacing: .2em;
  text-align: center;
}

.sec02 .sec_body {
  width: 1060px;
  margin: 0 auto;
}

.sec02 .body_header {
  margin-bottom: 80px;
}

.sec02 .body_title {
  position: relative;
  margin-bottom: 80px;
  font-family: "noto serif jp", serif;
  font-size: 25px;
  font-weight: 600;
  letter-spacing: .1em;
  text-align: center;
}

.sec02 .body_title .large {
  font-size: 35px;
}

.sec02 .body_title:before {
  content: "KANJYA-SAN FIRST";
  position: absolute;
  left: 50%;
  bottom: -50px;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  color: #da7b7a;
}

.sec02 .sec_text {
  width: 870px;
  margin: 0 auto;
  font-size: 19px;
  letter-spacing: .03em;
}

.sec02 .cont {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

.sec02 .cont_num {
  position: relative;
  margin-bottom: 30px;
  font-size: 18px;
  color: #da7b7a;
  letter-spacing: .03em;
}

.sec02 .cont_text {
  font-family: "noto serif jp", serif;
  font-size: 25px;
  font-weight: 600;
  letter-spacing: .1em;
}

.sec02 .cont01 {
  margin-bottom: 50px;
}

.sec02 .cont01 .cont_num:before {
  content: "";
  position: absolute;
  left: 100px;
  bottom: 0;
  width: 480px;
  height: 1px;
  background: #da7b7a;
}

.sec02 .cont02 {
  -webkit-box-orient: horizontal;
  -webkit-box-direction: reverse;
      -ms-flex-direction: row-reverse;
          flex-direction: row-reverse;
  margin-bottom: 50px;
}

.sec02 .cont02 .cont_num {
  text-align: right;
}

.sec02 .cont02 .cont_num:before {
  content: "";
  position: absolute;
  left: -180px;
  bottom: 0;
  width: 480px;
  height: 1px;
  background: #da7b7a;
}

.sec02 .cont03 .cont_num:before {
  content: "";
  position: absolute;
  left: 100px;
  bottom: 0;
  width: 480px;
  height: 1px;
  background: #da7b7a;
}

@media screen and (max-width: 768px) {
  .sec02 {
    padding-bottom: 80px;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
  }
  .sec02 .sec_header {
    position: relative;
    width: 100%;
    height: auto;
    padding: 5.5vw 2.7vw;
    margin: 0 auto 13.8vw;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    background: #ce807d;
  }
  .sec02 .sec_header:before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    margin: auto;
    background: url(../images/caries/bg01.png) center/cover no-repeat;
  }
  .sec02 .sec_title {
    position: relative;
    z-index: 2;
    font-size: 5.5vw;
    color: #fff;
    line-height: 1.5;
    letter-spacing: .2em;
    text-align: center;
  }
  .sec02 .sec_body {
    width: 100%;
    padding-left: 5.5vw;
    padding-right: 5.5vw;
    margin: 0 auto;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
  }
  .sec02 .body_header {
    margin-bottom: 80px;
  }
  .sec02 .body_title {
    position: relative;
    margin-bottom: 80px;
    font-family: "noto serif jp", serif;
    font-size: 5.5vw;
    font-weight: 600;
    letter-spacing: .1em;
    text-align: center;
  }
  .sec02 .body_title .large {
    font-size: 8.3vw;
  }
  .sec02 .body_title:before {
    content: "KANJYA-SAN FIRST";
    position: absolute;
    left: 50%;
    bottom: -50px;
    width: 100%;
    -webkit-transform: translateX(-50%);
            transform: translateX(-50%);
    color: #da7b7a;
  }
  .sec02 .sec_text {
    width: 100%;
    margin: 0 auto;
    font-size: 4.4vw;
    letter-spacing: .03em;
  }
  .sec02 .cont {
    display: block;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
  }
  .sec02 .cont_num {
    position: relative;
    margin-bottom: 8.3vw;
    font-size: 8vw;
    color: #da7b7a;
    letter-spacing: .03em;
  }
  .sec02 .cont_text {
    margin-bottom: 8.3vw;
    font-family: "noto serif jp", serif;
    font-size: 5vw;
    font-weight: 600;
    letter-spacing: 0;
  }
  .sec02 .cont_image {
    text-align: center;
  }
  .sec02 .cont01 {
    margin-bottom: 13.8vw;
  }
  .sec02 .cont01 .cont_num:before {
    content: "";
    position: absolute;
    left: auto;
    right: 0;
    bottom: 0;
    width: 60%;
    height: 1px;
    background: #da7b7a;
  }
  .sec02 .cont02 {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
    margin-bottom: 13.8vw;
  }
  .sec02 .cont02 .cont_num {
    text-align: right;
  }
  .sec02 .cont02 .cont_num:before {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60%;
    height: 1px;
    background: #da7b7a;
  }
  .sec02 .cont03 .cont_num:before {
    content: "";
    position: absolute;
    left: auto;
    right: 0;
    bottom: 0;
    width: 60%;
    height: 1px;
    background: #da7b7a;
  }
}
/*# sourceMappingURL=about.css.map */