/*
.c_about_bg {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: url(../images/about/about_bg.webp) center center no-repeat;
    background-size: cover;
}
*/
.c_about .main {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.about_cs {
  position: relative;
  width: 8.802%;
  z-index: 1;
}

.about_cs img {
  display: block;
  width: 100%;
}

@media screen and (max-width: 1366px) {
  .about_cs {
    width: 12.371%;
  }
}
@media screen and (max-width: 767px) {
  .about_cs {
    width: 22%;
  }
}