.column_a04 a {
  font-weight: bold;
}

p.mail_fs {
  font-size: 125%;
}

.field_img {
  margin: 2em 0 0;
}
.field_img img {
  width: 100%;
}

.yt_out {
  margin: 0 auto;
  max-width: 680px;
}

.youtube_in {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  border: 1px solid rgba(0, 0, 0, 0.2);
}
.youtube_in iframe {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
}