@charset "UTF-8";

header {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 60px auto 60px auto;
}

header .pic {
  width: 500px;
}
.web-4-box {
  width: 400px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.web4-logo {
  width: 250px;
}
.manalogo {
  width: 120px;
  margin-left: 10px;
}
body {
  background-image: linear-gradient(#ffe485, #96de73);
}

.web4 .site-logo {
  width: 300px;
}

.kv {
  position: relative;
}

.top-pic img {
  width: 200px;
  position: absolute;
}

.top-pic .top1 {
  top: -60%;
  left: 10%;
}

.top-pic .top2 {
  top: -50%;
  right: 10%;
}

.content .col-left,
.content .col-right {
  width: 50%;
}

.content .col-left {
  margin-right: 30px;
  text-align: center;
}

.content .col-left .pic {
  margin-bottom: 30px;
}

#web .works {
  width: 80%;
  max-width: 800px;
  margin: 0 auto;
}

#web .works .pic {
  margin-bottom: 60px;
}

@media (max-width: 1000px) {
  .content {
    margin-top: 200px;
  }

  .top-pic .top1 {
    top: -60%;
    left: 16%;
  }

  .top-pic .top2 {
    top: -44%;
    right: 23%;
  }
}

@media (max-width: 768px) {
  header .pic {
    width: 350px;
  }

  .content {
    margin-top: 300px;
  }

  .top-pic .top1 {
    top: -30%;
    left: 16%;
  }

  .top-pic .top2 {
    top: -26%;
    right: 23%;
  }
  #web .works {
    width: 90%;
  }
}

@media (max-width: 640px) {
  .top-pic .top1 {
    top: -30%;
    left: 8%;
  }

  .top-pic .top2 {
    top: -25%;
    right: 8%;
  }
}

@media (max-width: 450px) {
  .top-pic img {
    width: 150px;
    position: absolute;
  }
}