@charset "utf-8";
body {  
  background: url("../images/mv_bk.jpg") 50% 50% no-repeat fixed;
}

#wrapper {
  width: var(--content-w);
  margin: 0 auto;
  padding: 60px 30px;
  background: #fff;
}

.contents__mv {
  position: relative;
  color: #fff;
}
.contents__mv > div {
  width: var(--content-w);
  height: 200px;
  margin: 0 auto;
  padding: 0 50px;
  display: flex;
  align-items: center;
  background: url("../images/contents_mv.png") 0 0 no-repeat rgba(3,26,58,0.8);
}
@media screen and (max-width: 768px) { 
  #wrapper {
    margin: 0;
    padding: 30px 15px;
    background: #fff;
  }
  .contents__mv {
  }
  .contents__mv > div {
    height: auto;
    margin: 0 auto;
    padding: 30px 15px;
    display: block;
    background: url("../images/contents_mv.png") 100% 50% no-repeat rgba(3,26,58,0.8);
    background-size: cover;
  }
}

#under {
  margin: 80px 0 0 50px;
}
.under_wrap {
  height: 400px;
}

@media screen and (max-width: 768px) {
  #under {
    margin: 80px 0 100px;
    text-align: center;
  }
  .under_wrap {
    height: auto;
  }
}

/***** title *****/
.contents__mv > div > h2 {
  font-size: 3.6rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-shadow: 0 0 8px #00b4ed, 0 0 18px #00b4ed;
}
@media screen and (max-width: 768px) {
  .contents__mv > div > h2 {
    font-size: 2.2rem;
    letter-spacing: 0;
  }
}



/***** 挨拶 *****/
#greeting_ttl {
  margin-bottom: 30px;
  font-size: 2.7rem;
  font-weight: 500;
  text-align: center;
}
#greeting_box {
  margin-bottom: 30px;
  padding-bottom: 30px;
  border-bottom: #ddd 1px solid;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
}
#greeting_box > dl {
  text-align: right;
}
#greeting_box > dl dt {
  margin-bottom: 5px;
}
#greeting_box > dl dd strong {
  font-size: 1.8rem;
}
#greeting_box > figure {
  width: 180px;
  margin-left: 30px;
}
#greeting_box > figure img {
  width: 100%;
}
.greeting_com {
  margin-bottom: 15px;
  text-indent: 1em;
  line-height: 1.9;
}
@media screen and (max-width: 768px) {
  #greeting_ttl {
    font-size: 2rem;
  }
  #greeting_box {
    align-items: center;
    justify-content: center;
    flex-direction: column-reverse;
  }
  #greeting_box > dl {
    font-size: 1.4rem;
    text-align: center;
  }
  #greeting_box > figure {
    width: 40%;
    margin: 0 auto 20px;
  }
  .greeting_com {
    margin-bottom: 20px;
    line-height: 1.7;
  }
}

/***** 開催概要 *****/
.info_dl {
  margin-bottom: 20px;
  display: flex;
}
.info_dl dt {
  width: 200px;
  padding-bottom: 20px;
  font-weight: 700;
  color: var(--sub-color);
  border-bottom: var(--sub-color) 2px solid;
}
.info_dl dd {
  padding: 0 0 20px 20px;
  border-bottom: #ddd 2px solid;
  flex: 1;
}
@media screen and (max-width: 768px) {
  .info_dl {
    margin-bottom: 20px;
    display: block;
  }
  .info_dl dt {
    width: 100%;
    margin-bottom: 10px;
    padding: 5px 0;
    color: #fff;
    text-align: center;
    background: var(--sub-color);
  }
  .info_dl dd {
    padding-left: 0;
  }
}