.main_image {
  position: relative;
  min-width: 100%;
  height: 491px;
  box-sizing: border-box;
  overflow: hidden;
}
.main_image .inner {
  width: 1025px;
  max-width: 100%;
  padding: 0 0 0 35px;
  margin: 0 0 auto;
  box-sizing: border-box;
}
.main_image .text {
  position: relative;
  z-index: 5;
  font-size: 24px;
  letter-spacing: 0.2em;
  text-align: left;
  color: #fff;
  font-weight: bold;
}
.main_image .subtext {
  color: #fff;
  font-size: 50px;
  opacity: 70%;
  text-align: left;
  font-weight: bold;
  letter-spacing: 0.2em;
  line-height: 1.1;
}
@media screen and (max-width: 768px) {
  .main_image {
    position: relative;
    width: initial;
    height: 80vw;
    padding-top: 45.3vw;
    box-sizing: border-box;
    background: url(/images/) right 40% top/cover no-repeat;
    overflow: hidden;
  }
  .main_image .inner {
    padding: 0 2.7vw;
  }
  .main_image .text {
    text-align: left;
    font-size: 5.8vw;
    padding-left: initial;
  }
  .main_image .subtext {
    color: #fff;
    font-size: 10vw;
    opacity: 70%;
    text-align: left;
    font-weight: bold;
    letter-spacing: 0.2em;
    line-height: 1.1;
  }
}

.sec01 {
  margin-bottom: 135px;
}
.sec01 .textbox {
  margin-bottom: 90px;
}
.sec01 .textbox .up_text {
  text-align: center;
  font-size: 21px;
  font-weight: bold;
  font-family: serif;
  width: 56%;
  margin: 0 auto 45px;
}
.sec01 .textbox .up_text .blue {
  color: #397CB6;
  font-weight: bold;
}
.sec01 .textbox .bottom_text {
  text-align: center;
  font-size: 17px;
}
.sec01 .bottom_white {
  background-color: #fff;
  padding: 55px 135px;
  margin-bottom: 80px;
}
.sec01 .bottom_white .box_header {
  margin-bottom: 60px;
}
.sec01 .bottom_white .box_header .subtitle {
  font-size: 21px;
  text-align: center;
  color: #4E89BD;
}
.sec01 .bottom_white .box_header .title {
  font-size: 24px;
  font-weight: bold;
  font-family: serif;
  text-align: center;
}
.sec01 .bottom_white .maru_box .maru_flex {
  display: flex;
  -moz-column-gap: 20px;
       column-gap: 20px;
  align-items: center;
}
.sec01 .bottom_white .maru_box .maru_flex .maru {
  font-size: 24px;
  color: #4E89BD;
}
.sec01 .bottom_white .maru_box .maru_flex .box_text {
  font-size: 18px;
}
.sec01 .flexbox {
  -moz-column-gap: 110px;
       column-gap: 110px;
}
.sec01 .flexbox .tel_box .tel_text {
  text-align: center;
  font-size: 21px;
  font-weight: bold;
  font-family: serif;
}
@media screen and (max-width: 768px) {
  .sec01 {
    margin-bottom: 13.8vw;
  }
  .sec01 .textbox {
    margin-bottom: 10vw;
  }
  .sec01 .textbox .up_text {
    text-align: center;
    font-size: 4.5vw;
    font-weight: bold;
    font-family: serif;
    width: 100%;
    margin: 0 auto 5vw;
  }
  .sec01 .textbox .up_text .blue {
    color: #397CB6;
    font-weight: bold;
  }
  .sec01 .textbox .bottom_text {
    text-align: center;
    font-size: 4vw;
  }
  .sec01 .bottom_white {
    background-color: #fff;
    padding: 10vw 5vw;
    margin-bottom: 10vw;
  }
  .sec01 .bottom_white .box_header {
    margin-bottom: 5vw;
  }
  .sec01 .bottom_white .box_header .subtitle {
    font-size: 4.5vw;
    text-align: center;
    color: #4E89BD;
    margin-bottom: 3vw;
  }
  .sec01 .bottom_white .box_header .title {
    font-size: 5vw;
    font-weight: bold;
    font-family: serif;
    text-align: center;
  }
  .sec01 .bottom_white .maru_box .maru_flex {
    display: flex;
    -moz-column-gap: 3vw;
         column-gap: 3vw;
    align-items: flex-start;
  }
  .sec01 .bottom_white .maru_box .maru_flex .maru {
    font-size: 4.5vw;
    color: #4E89BD;
  }
  .sec01 .bottom_white .maru_box .maru_flex .box_text {
    font-size: 4vw;
  }
  .sec01 .flexbox {
    -moz-column-gap: 0;
         column-gap: 0;
    flex-direction: column;
    row-gap: 5vw;
  }
  .sec01 .flexbox .tel_box {
    width: 80%;
  }
  .sec01 .flexbox .tel_box .tel_text {
    text-align: center;
    font-size: 4.5vw;
    font-weight: bold;
    font-family: serif;
  }
}

.sec02 {
  margin-bottom: 115px;
}
.sec02 .flexbox {
  align-items: flex-start;
  -moz-column-gap: 70px;
       column-gap: 70px;
}
.sec02 .flexbox .imagebox {
  width: 52.7%;
  position: relative;
}
.sec02 .flexbox .imagebox .circle {
  position: absolute;
  width: 143px;
  height: 143px;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
  border-radius: 50%;
}
.sec02 .flexbox .imagebox .circle01 {
  background-color: rgba(78, 139, 189, 0.9);
  right: 100px;
  bottom: -10px;
}
.sec02 .flexbox .imagebox .circle02 {
  background-color: rgba(168, 138, 174, 0.9);
  right: -50px;
  bottom: -10px;
}
.sec02 .flexbox .textbox {
  width: 100%;
  font-size: 18px;
}
@media screen and (max-width: 768px) {
  .sec02 {
    margin-bottom: 13.8vw;
  }
  .sec02 .flexbox {
    align-items: flex-start;
    -moz-column-gap: 0;
         column-gap: 0;
    flex-direction: column;
  }
  .sec02 .flexbox .imagebox {
    width: 100%;
    position: relative;
  }
  .sec02 .flexbox .imagebox .circle {
    position: absolute;
    width: 30vw;
    height: 30vw;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    border-radius: 50%;
  }
  .sec02 .flexbox .imagebox .circle01 {
    background-color: rgba(78, 139, 189, 0.9);
    right: 28vw;
    bottom: -3vw;
  }
  .sec02 .flexbox .imagebox .circle02 {
    background-color: rgba(168, 138, 174, 0.9);
    right: -3vw;
    bottom: -3vw;
  }
  .sec02 .flexbox .textbox {
    width: 100%;
    font-size: 4vw;
  }
}

.sec03 {
  margin-bottom: 150px;
}
.sec03 .flexbox {
  -moz-column-gap: 60px;
       column-gap: 60px;
  align-items: flex-start;
  margin-bottom: 110px;
  position: relative;
}
.sec03 .flexbox::before {
  position: absolute;
  content: "";
  width: 50px;
  height: 19px;
  right: 50%;
  bottom: -50px;
  transform: translateX(50%);
  background: url(/images/perio/polygon_1.webp) center/contain no-repeat;
}
.sec03 .flexbox .imagebox {
  width: 39.3%;
}
.sec03 .flexbox .textbox {
  width: 100%;
}
.sec03 .flexbox .textbox .step_title {
  display: flex;
  -moz-column-gap: 40px;
       column-gap: 40px;
  align-items: center;
}
.sec03 .flexbox .textbox .step_title .step {
  font-size: 18px;
  color: #397CB6;
  font-family: serif;
  font-weight: bold;
}
.sec03 .flexbox .textbox .step_title .step .step_num {
  font-weight: bold;
  font-size: 28px;
  color: #397CB6;
}
.sec03 .flexbox .textbox .step_title .box_title {
  font-size: 24px;
  font-weight: bold;
  font-family: serif;
}
.sec03 .flexbox .textbox .box_text {
  margin-bottom: 35px;
}
.sec03 .flex_last::before {
  display: none;
}
.sec03 .btn_box {
  justify-content: flex-end;
}
@media screen and (max-width: 768px) {
  .sec03 {
    margin-bottom: 13.8vw;
  }
  .sec03 .flexbox {
    flex-direction: column;
    -moz-column-gap: 0;
         column-gap: 0;
    align-items: flex-start;
    margin-bottom: 10vw;
    position: relative;
  }
  .sec03 .flexbox::before {
    position: absolute;
    content: "";
    width: 10vw;
    height: 7vw;
    right: 50%;
    bottom: -5vw;
    transform: translateX(50%);
    background: url(/images/perio/polygon_1.webp) center/contain no-repeat;
  }
  .sec03 .flexbox .imagebox {
    width: 100%;
  }
  .sec03 .flexbox .textbox {
    width: 100%;
  }
  .sec03 .flexbox .textbox .step_title {
    display: flex;
    -moz-column-gap: 3vw;
         column-gap: 3vw;
    align-items: center;
  }
  .sec03 .flexbox .textbox .step_title .step {
    font-size: 4vw;
    color: #397CB6;
    font-family: serif;
    font-weight: bold;
  }
  .sec03 .flexbox .textbox .step_title .step .step_num {
    font-weight: bold;
    font-size: 6vw;
    color: #397CB6;
  }
  .sec03 .flexbox .textbox .step_title .box_title {
    font-size: 5vw;
    font-weight: bold;
    font-family: serif;
  }
  .sec03 .flexbox .textbox .box_text {
    margin-bottom: 5vw;
  }
  .sec03 .flex_last::before {
    display: none;
  }
  .sec03 .btn_box {
    padding-top: 5vw;
    justify-content: center;
  }
}/*# sourceMappingURL=first.css.map */