.kv {
  position: relative;
  overflow: hidden;
  padding-left: 20%;
  margin-bottom: 5rem;
}

.kv-logo {
  max-width: 550px;
  margin: 5rem auto 1rem;
}

.kv-txt {
  color: var(--c3);
  text-shadow: 0 0 10px #08219B;
  animation: text-focus-in 1s cubic-bezier(0.550, 0.085, 0.680, 0.530) both;
}

@keyframes text-focus-in {
  0% {
    -webkit-filter: blur(12px);
    filter: blur(12px);
    opacity: 0;
  }

  100% {
    -webkit-filter: blur(0px);
    filter: blur(0px);
    opacity: 1;
  }
}

.kv h1 {
  font-size: 5rem;
  font-weight: 900;
  letter-spacing: 1rem;
  margin-right: -1rem;
}

.kv h4 {
  letter-spacing: 0.3rem;
  margin-right: -0.3rem;
  color: var(--c4);
  font-weight: 400;
}

.kv h4 span {
  background-color: #fff;
  padding: 3px 20px;
}

.kv h2 {
  margin-top: 2rem;
  font-size: 2.9rem;
  letter-spacing: 0.2rem;
  margin-right: -0.2rem;
}

@media (max-width:1200px) {
  .kv-logo {
    margin: 5rem auto 1.5rem;
  }
}

@media (max-width:996px) {
  .kv {
    padding-left: 5%;
  }
}

@media (max-width:767px) {
  .kv-logo {
    margin: 7rem auto 1rem;
  }
}

@media (max-width:576px) {
  .kv {
    margin-bottom: 1.5rem;
  }

  .kv h1 {
    font-size: 55px;
  }

  .kv h2 {
    font-size: 25px;
  }

  .kv h4 {
    font-size: 20px;
    letter-spacing: 0.1rem;
  }
}


/* =======================================
  # 固定背景
========================================= */

.fixed-bg {
  position: relative;
  overflow: hidden;
  z-index: -1;
}

.fixed-bg .fxbg-box {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100vh;
  background: url("../img/kv.png") no-repeat center center fixed;
  background-size: cover;
  background-color: var(--c4);
  z-index: -2;
}

.skbg-base {
  position: absolute;
  top: 0;
  left: 50%;
  bottom: 0;
  margin-left: -400px;
  width: 820px;
  opacity: 0.5;
  background: linear-gradient(30deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.25) 50%, rgba(0, 0, 0, 0) 100%);
  transform: skewX(-45deg);
}

/*  */

.loop {
  display: flex;
  align-items: center;
  overflow: hidden;
}

.loop ul {
  list-style-type: none;
  justify-content: center;
}

.loop .loop_slide {
  display: flex;
  flex-wrap: nowrap;
  animation: loop-slide 30s infinite linear 1s both;
}

@keyframes loop-slide {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-100%);
  }
}

.loop ul li {
  margin-right: 3em;
}

.loop ul .loop_slide img {
  height: 100px;
  width: auto;
  object-fit: contain;
  object-position: bottom;
}