body {
  background: none;
}

section h2 {
  font-size: clamp(1.125rem, 0.625rem + 2.5vw, 2.5rem);
  text-align: center;
  margin: 55px auto 35px auto;
}

.btn_b a {
  position: relative;
  overflow: hidden;
  border-radius: 36px;
  text-decoration: none;
  display: block;
  max-width: 330px;
  background: #009cc4;
  margin: auto;
  padding: 15px 45px;
  text-align: center;
  line-height: 1.8;
  outline: none;
  transition: ease 0.2s;
}
.btn_b a span {
  position: relative;
  z-index: 3;
  color: #fff;
  font-weight: bold;
}
.btn_b a:hover span {
  color: #fff;
}
.btn_b a:after {
  font-family: "Material Icons";
  margin-left: 4px;
  content: "\e409";
  position: relative;
  top: 3px;
  color: #fff;
  font-size: 18px;
}

.ichiran:before {
  content: "";
  position: absolute;
  top: 0;
  left: -130%;
  background: #97c9ec;
  width: 120%;
  height: 100%;
  transform: skewX(-25deg);
}
.ichiran:hover::before {
  animation: skewanime 0.5s forwards;
}
@keyframes skewanime {
  100% {
    left: -10%;
  }
}

#topimg {
  background: url(../../img/top/topimg.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  height: 550px;
  background-position: center top;
}

#top_slide {
  margin: 15px auto 0 auto;
  position: relative;
}
#top_slide img {
  width: 100%;
  height: auto;
  -o-object-fit: cover;
     object-fit: cover;
  max-height: 600px;
}
#top_slide .text {
  position: absolute;
  left:5%;
  top:20%;
  font-size: clamp(1.25rem, 0.536rem + 3.57vw, 5rem);
  color: #fff;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  font-weight: 600;
}

#top_text {
  margin: 55px auto;
  line-height: 1.7;
  font-size: 20px;
}

#top_nav {
  background: #f9f8f7;
  padding: 55px 25px 35px 25px;
  margin: 55px 0 0 0;
}
#top_nav div {
  display: flex;
  justify-content: space-between;
  margin: 25px auto;
}
#top_nav dl {
  width: 24%;
  text-align: center;
  margin-bottom: 15px;
}
#top_nav dl img {
  display: block;
  margin-bottom: 7px;
  width: 100%;
  height: auto;
}
#top_nav dl img:hover {
  opacity: 0.8;
}
#top_nav dl dd {
  font-weight: normal;
  text-align: left;
}
#top_nav dl .top_nav_title {
  margin: 7px auto 10px auto;
  text-align: center;
  font-weight: 600;
  font-weight: 600;
  font-size: 20px;
}
#top_nav .btn {
  text-align: center;
  font-size: 16px !important;
}

#info_data {
  margin-top: 80px;
}
#info_data ul {
  margin-bottom: 35px;
}
#info_data ul li {
  border-bottom: solid 1px #ccc;
  padding: 15px 0;
}
#info_data ul li span {
  margin: 0 20px 0 0;
}

#top_atten {
  margin: 55px 0 15px 0;
  padding: 55px 25px;
  background: #f2f8f9;
}
#top_atten .inner {
  background: #fff;
  border: double 4px #058bb7;
  padding: 15px;
  margin: 0 auto;
  width: 80%;
}
#top_atten h3 {
  text-align: center;
  color: #058bb7;
  margin-bottom: 25px;
  font-size: 20px;
  padding-bottom: 7px;
  border-bottom: dotted 2px #058bb7;
}
#top_atten ol li {
  list-style: decimal;
  margin-bottom: 7px;
  margin-left: 1.5em;
}

@media screen and (max-width: 960px) {
  #topimg {
    height: 450px;
  }
  #top_nav div {
    flex-wrap: wrap;
  }
  #top_nav dl {
    width: 48%;
    margin-bottom: 15px;
  }
}
@media screen and (max-width: 769px) {
  #topimg {
    height: 350px;
  }
  #top_atten h3 {
    text-align: left;
  }
  #info_data ul li span:nth-of-type(2):after {
    content: "\a";
    white-space: pre;
  }
}
@media screen and (max-width: 600px) {
  #topimg {
    height: 200px;
  }
}
@media screen and (max-width: 560px) {
  #top_nav dl {
    width: 100%;
  }
}