.kelin-about .index-kelin-tit {
  text-align: center;
}

.kelin-about {
  padding: 70px 0;
}

@media screen and (max-width:1440px) {
  .kelin-about {
    padding: 40px 0;
  }
}

@media screen and (max-width:991px) {
  .kelin-about {
    padding: 20px 0;
  }
}

.kelin-about .txt {
}
.kelin-about .txt h3 {
  margin-top: 30px;
  font-size:clamp(24px, 1.5vw, 28px);
}

.kelin-about .txt p {
  font-size: clamp(14px, 0.95vw, 18px);
  color: #484848;
  line-height: 30px;
}