.mv-wrap {
  margin: 0 auto;
}

.mv-wrap img {
  display: block;
  margin: 0 auto;
}

.title {
  font-family: "Yu Mincho", "YuMincho", serif;
  margin-bottom: 30px;
  font-size: 1.375em;
  font-weight: bold;
  background: url(https://www.kkr.mlit.go.jp/yodogawa/images/common/bg_title.png) repeat-x 0 100%;
  padding-bottom: 8px;

}

.title-lecture {
  margin: 30px 0;
  font-size: 1.125em;
  font-weight: bold;
  border-left: 5px solid #27a0c3;
  padding-left: 8px;

}

.lecture-flow {
  margin-bottom: 10px;
  font-size: 1em;
  font-weight: bold;
  color: #0299bf;
}

.lecture-flow_text {
  margin-bottom: 20px;
}

.flex_wrap {
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -ms-flex-wrap: wrap;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.yt_content {
  width: 300px;
  margin-right: 100px;
}

.flex_wrap.mB {
  margin-bottom: 60px;
}

.iframe_wrap {
  position: relative;
  margin: 0 auto;
  overflow: hidden;
}

.iframe_wrap iframe {
  position: absolute;
  width: 100%;
  height: 100%;
}

.yt_wrap {
  padding: 0 0 66.6%;
  width: 100%;
}

.grap-img {
  height: 200px;
  width: auto;
}

.keyword {
  margin-bottom: 60px;
  font-style: italic;
  font-weight: bold;
  font-size: 14px;
}

.newspaper {
  width: 300px;
  display: block;
  text-align: center;
}

@media (max-width: 900px) and (min-width: 0px) {
  .contents.sp-width {
    width: 94%;
  }

  .flex_wrap {
    flex-direction: column;
    align-items: center;
  }

  .yt_content {
    margin-right: 0;
    margin-bottom: 30px;
  }

  .flex_wrap.mB {
    margin-bottom: 0;
  }

  .grap-img {
    height: auto;
    width: 300px;
  }

  .newspaper {
    margin: 0 auto;
  }
}