@charset "utf-8";
.c-obi {
  font-family: YuGothic, "Yu Gothic", "游ゴシック体", YuGothicM, "メイリオ",
    Meiryo, "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "ＭＳ Ｐゴシック",
    sans-serif, Helvetica, Arial;
  zoom: 80%;
  background: #f8f8f8;
  box-sizing: content-box;

  font-size: 16px;
  padding: 15px 0;
}
.c-obi__inner {
  max-width: 1200px;
  width: 70%;
  padding: 30px 0;

  margin-left: auto;
  margin-right: auto;
}

.c-obi__title {
  font-size: 2.7em;
  text-align: center;
  line-height: 2;
  font-weight: bold;
  letter-spacing: 3px;
  margin: 0 auto 15px;
  border-bottom: 3px dashed rgb(0, 0, 0, 0.3);
}
.c-obi__title strong {
  color: #b20000;
}
.c-obi__text {
  text-align: justify;
  width: 70%;
  margin: auto;
  line-height: 1.8em;
  font-size: 18px;
}
@media screen and (max-width: 768px) {
  .c-obi {
    padding: 15px;
  }
  .c-obi__inner {
    width: 90%;
  }
  .c-obi__title {
    width: 90%;
    font-size: 8vw;
    line-height: 1.5;
    margin-bottom: 10px;
    padding-bottom: 10px;
  }
  .c-obi__text {
    width: 90%;
    font-size: 4vw;
  }
}