@charset "UTF-8";

.content-header {
  margin-bottom: 80px;
}

.content-header .menu {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 64px 0 124px 0;
}

.content-header .menu li {
  position: relative;
}

.content-header .menu li a {
  display: flex;
  align-items: center;
  font-size: 14px;
  padding: 0 20px;
}

.content-header .menu li img {
  margin-right: 10px;
}

.content-header .menu li .arrow {
  width: 15px;
  height: 15px;
  border: 1px solid;
  border-color: #707070 #707070 transparent transparent;
  transform: rotate(135deg);
  display: block;
  margin: 0 auto;
  position: absolute;
  left: 0;
  right: 0;
  bottom: -15px;
}

.img-content {
  display: flex;
}

.img-content .text {
  width: 45%;
  margin-right: 10%;
  line-height: 2;
}

.img-content .img {
  width: 45%;
}

.content-img {
  margin-bottom: 48px;
}

.content {
  margin-bottom: 48px;
}

.content p {
  line-height: 1.8;
  margin-bottom: 24px;
}

#treatment {
  margin-bottom: 80px;
}

#prevention {
  margin-bottom: 80px;
}

#whitened {
  margin-bottom: 80px;
}

#implant {
  margin-bottom: 80px;
}

#implant .list {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

#implant .list li {
  width: 31%;
  font-size: 14px;
  margin: 0 3.5% 32px 0;
  text-align: justify;
}

#implant .list li:nth-child(3n) {
  margin-right: 0;
}

#implant .list li img {
  margin-bottom: 16px;
}

#implant .list li .title {
  font-size: 17px;
  font-weight: bold;
  margin-bottom: 8px;
}

@media screen and (max-width: 767px) {
  .content-header .menu {
    flex-wrap: wrap;
  }

  .content-header .menu li {
    width: 42%;
    margin-bottom: 48px;
  }
  .content-header .menu li a {
    flex-direction: column;
    padding: 0;
    text-align: center;
  }

  .content-header .menu li img {
    margin: 0 0 8px 0;
  }

  .img-content {
    flex-direction: column-reverse;
  }

  .img-content .img {
    width: 100%;
    margin-bottom: 16px;
  }

  .img-content .text {
    width: 100%;
    margin-right: 0;
  }

  #implant .list li {
    width: 47%;
    margin: 0 6% 32px 0;
  }

  #implant .list li:nth-child(3n) {
    margin-right: 6%;
  }

  #implant .list li:nth-child(2n) {
    margin-right: 0;
  }
}