body {
   font-family: "Shuei NijimiMGo B";
}

article {
  max-width: 1000px;
}

.ef_fade_up {
  opacity: 0;
  transform: translateY(80px);
}
.ef_fade_up.ef_fade_up_active {
  animation-name: fadeup;
  animation-duration: 1.2s;
  animation-timing-function: ease;
  animation-fill-mode: forwards;
}
@keyframes fadeup {
  0% {
    opacity: 0;
    transform: translateY(80px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.example {
  padding-top:50px;
  display: flex;
  flex-wrap: wrap;
}
.example>div {
  width: 50%;
  box-sizing: border-box;
  padding: 10px;
  text-align:left;
}

.midashi {
  margin-bottom:24px;
  width:320px;
  margin-top:40px;
}

.cap {
  font-size:1em;
  line-height:1.9;
}
.sp {
  display:none;
}
.yodogawa_01 {
  width:340px;
  margin:0 auto;
  padding-top:50px;
}
.ill {
  width:670px;
  margin:0 auto;
}

#index_nav {
  display:none;
}

@media (max-width: 640px) {
  .example {
    display: unset;
    flex-wrap: wrap;
  }
  .example>div {
    width: 100%;
  }
  .midashi {
    margin-bottom:20px;
    width:80%;
    margin-top:0px;
  }
  .pc {
    display:none;
  }
  .sp {
    display:inline;
  }
  .yodogawa_01 {
    width:80%;
    margin:0 auto;
    padding-top:30px;
  }
  .ill {
    width:100%;
    margin:0 auto;
  }
}