#mainImg {
  margin-bottom: 60px;
  height: 100%;
  overflow: hidden;
  max-height: initial;
  margin-top: -100px;
}
#mainImg::before {
  background: none;
}
#mainImg img {
  width: 100%;
  height: auto;
}
#mainImg #msg {
  text-align: center;
  width: 100%;
  position: absolute;
  top: 250px;
  line-height: 2;
  font-size: 14px;
  text-shadow: 1px 1px 3px #FFF;
}
#mainImg #msg h1 {
  font-size: 28px;
  font-weight: bold;
  width: 100%;
  max-width: 500px;
  margin: 0 auto 50px;
  text-align: left;
}
#mainImg #msg div {
  width: 100%;
  max-width: 500px;
  margin: 0 auto 50px;
  text-align: left;
  font-weight: bold;
}
#mainImg #pageTitle {
  text-align: center;
  line-height: 1.8;
  letter-spacing: 2px;
  font-size: 30px;
  margin-bottom: 40px;
}
#mainImg #pageDesc {
  text-align: center;
  line-height: 2;
  letter-spacing: 1px;
  font-size: 14px;
  font-weight: bold;
}
#mainImg #pageDesc a {
  color: #FFF;
  text-decoration: underline;
}

#bnr_campaign {
  position: absolute;
  top: 155px;
  left: 20px;
  width: 50%;
  max-width: 448px;
}
#bnr_campaign img {
  width: 100%;
  height: auto;
}

.post #concept {
  text-align: left;
  font-size: 14px;
  line-height: 1.8;
}
.post #concept h2 {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 20px;
}
.post #concept div {
  width: 100%;
  font-weight: bold;
}

#topMenu {
  margin-bottom: 60px;
}
#topMenu ul {
  flex-wrap: wrap;
}
#topMenu ul li {
  float: left;
  width: 25%;
  background: #1B1B1B;
  color: #FFF;
  text-align: center;
  position: relative;
  font-size: 14px;
  font-weight: bold;
  aspect-ratio: 1/1;
}
#topMenu ul li.list_menu {
  font-size: 30px;
  font-weight: bold;
  display: flex;
  justify-content: center;
  align-items: center;
}
#topMenu ul li a {
  width: 100%;
  height: 100%;
  color: #FFF;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  top: 0;
  left: 0;
  text-decoration: underline;
  background: rgba(0, 0, 0, 0.3);
}
#topMenu ul li a:hover {
  background: rgba(0, 0, 0, 0.2);
}
#topMenu ul li img {
  width: 100%;
  height: auto;
  vertical-align: bottom;
}

@media screen and (max-width: 979px) {
  #bnr_campaign {
    top: 100px;
  }
}
@media screen and (max-width: 767px) {
  #mainImg {
    margin-bottom: 30px;
  }
  #mainImg #msg {
    position: relative;
    top: 0;
  }
  #mainImg #msg h1 {
    margin: 0 10px;
    text-align: left;
  }
  #mainImg #msg div {
    margin: 0 10px;
  }
  #bnr_campaign {
    top: 100px;
    width: 40%;
  }
  #topMenu ul li {
    width: 33%;
  }
  .sp_off {
    display: none;
  }
}
@media screen and (max-width: 420px) {
  #bnr_campaign {
    display: none;
  }
  #topMenu ul li {
    width: 50%;
  }
}