.mv {
  background-image: url(../img/mv.jpg);
  background-size: cover;
  height: 545px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
@media (max-width: 767px) {
  .mv {
    height: 47.8971962617vw;
  }
}

.btn {
  margin: 1.5em auto;
}
.btn.long {
  max-width: 28rem;
}
@media (max-width: 767px) {
  .btn.long {
    width: 100%;
  }
}

.lead_sentence {
  padding: 4em 0;
}

.sec00 {
  padding: 4em 0;
}

.sec01 {
  padding: 4em 0;
}

.sec02 {
  padding: 4em 0;
}

.sec03 {
  padding: 4em 0;
}

.sec04 {
  padding: 4em 0;
}

.sec05 {
  padding: 4em 0;
}

.sec06 {
  padding: 4em 0;
}

.sec07 {
  padding: 4em 0;
}
@media (max-width: 767px) {
  .sec07 .col_2_wrap {
    display: flex;
  }
}
.sec07 .col_2 {
  position: relative;
}
.sec07 .col_2 .ball {
  position: absolute;
  top: 1.2rem;
  right: -0.5rem;
  width: 16.6666666667%;
}
@media (max-width: 767px) {
  .sec07 .col_2.sp-first {
    order: -1;
  }
}

.sec08 {
  padding: 4em 0;
}

.sec09 {
  padding: 4em 0;
}

.sec10 {
  padding: 4em 0;
}

.sec11 {
  padding: 4em 0;
}

.sec12 {
  padding: 4em 0;
}

.sec13 {
  padding: 4em 0;
}

.m {
  font-family: "Oswald", sans-serif;
  margin-right: 2em;
}

#anc00 {
  text-align: center;
}

.mokuji {
  display: inline-block;
  text-align: left;
}

.indent li {
  text-indent: -3em;
  padding-left: 1em;
}

.center {
  margin: 0 auto;
  padding-left: 4em;
}

@media (min-width: 768px) {
  .yobou .col_2:first-child {
    width: 54.0833333333%;
  }
  .yobou .col_2:nth-child(2) {
    width: 40%;
  }
}

.patent {
  position: relative;
}

.patent_icon {
  display: block;
  width: 80px;
  height: 80px;
  left: 61%;
  bottom: -25%;
  position: absolute;
  z-index: 50;
}
@media (max-width: 768px) {
  .patent_icon {
    display: block;
    width: 70px;
    height: 70px;
    left: 62%;
    bottom: 14.5%;
    position: absolute;
    z-index: 50;
  }
}

.img0705 {
  width: 65%;
  margin: 4rem auto;
}
@media (max-width: 768px) {
  .img0705 {
    width: 100%;
    margin: -2rem 0 0;
  }
}

.infection .infection_img {
  width: 85%;
  margin: 4rem auto 4rem 0;
}