@charset "utf-8";
.bsn-sp_body {
  width: 880px;
  margin: 0 auto;
  font-size: 15px;
}

.page_title img,
.bsn-sp_body img {
  vertical-align: bottom;
}

.bsn-sp_body section {
  margin: 2em 1em 0;
}

.bsn-sp_body section:first-child {
  display: flex;
}

.bsn-sp_body .img_box {
  min-width: 40%;
  margin: 0 1em 0 0;
}

.bsn-sp_body .txt_box h2 {
  font-size: 1.2em;
  color: #fff;
  border-bottom: 0.15em solid #0052A5;
}

.bsn-sp_body .txt_box h2 span {
  background: #0052A5;
  display: inline-block;
  padding: 0.25em 0;
  width: 7em;
  text-align: center;
}

.bsn-sp_body .txt_box .inner {
  padding: 1em 0.5em 0 0.5em;
}

.bsn-sp_body .txt_box .inner p {
  line-height: 1.75em;
  font-size: 1.1em;
}

.bsn-sp_body section:nth-of-type(2) .txt_box:nth-of-type(2) {
  margin: 2em 0 0;
}


@media screen and (max-width: 899px) {
  .bsn-sp_body {
    width: auto;
    font-size: 12px;
    margin: 0 auto 3em;
  }

  .bsn-sp_body section:first-child {
    display: block;
  }

  .bsn-sp_body .img_box {
    min-width: auto;
    margin: 0 auto 2em;
    width: 90%;
  }
}