html {
  font-size: 1.3333333333vw;
}
@media only screen and (min-width: 750px) {
  html {
    font-size: 0.8333333333vw;
  }
}
@media only screen and (min-width: 1200px) {
  html {
    font-size: 0.5vw;
  }
}

body {
  margin: 0;
  padding: 0;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

h1,
h2,
h3,
div,
p,
ul,
li {
  margin: 0;
  padding: 0;
}

img {
  width: 100%;
  height: auto;
  line-height: 0;
  vertical-align: bottom;
}

.teaser {
  width: 100%;
}
@media only screen and (min-width: 750px) {
  .teaser {
    background-image: url(../img/teaser/teaser_bk.jpg);
    background-size: 200rem auto;
    background-position: top center;
    background-repeat: no-repeat;
  }
}

.teaser-inner {
  width: 100%;
}
@media only screen and (min-width: 750px) {
  .teaser-inner {
    width: 120rem;
    margin: 0 auto;
  }
}