@charset "utf-8";

.imgarea.caption {
  text-align: center;
}

.imgarea.caption img {
  display: block;
  margin: 0 auto 0.5rem;
  border: solid 1px #eee;
  width: auto;
  max-width: 600px;
}

#toc {
  width: fit-content;
  margin: 3rem auto;
  display: block;
  padding: 2rem 7rem 3rem;
  max-width: 80%;
  background: #f9f9fa;
  border-top: none;
}

#toc:before {
  content: "目次";
  text-align: center;
  display: block;
  font-weight: bold;
  font-size: 16px;
}

#toc ul {
  margin: 5px;
}

#toc .chapter .chapter-h {
  margin-top: 2rem;
}

.l-banner {
  position: relative;
  z-index: 999;
}

.l-banner a {
  bottom: 100px;
  display: block;
  right: 10px;
  position: fixed;
}

.l-banner a img {
  height: 250px;
  width: 250px;
}

.ac-btn {
    width: 365px;
    margin: 0 auto 4rem;
    background: #e8e8ed;
    border-radius: 50px;
    font-size: 1.8rem;
    font-weight: bold;
    color: #22272d;
    text-align: center;
    padding: 2rem 2rem;
    cursor: pointer;
    box-shadow: 3px 3px 5px rgb(0 0 0 / 22%);
}

/*----------------------------------------------------
    SPサイトcss
----------------------------------------------------*/

@media screen and (max-width: 480px) {
  /*/////////////SP用のCSSをここに作成してください。/////////////*/
  /*/////////////必ず中括弧の中に作成してください。/////////////*/

  #toc {
    padding: 2rem 1.5rem;
    width: 100%;
    max-width: 90%;
    margin: 0 auto 3rem;
  }

  #toc a {
    font-size: 14px;
  }

  #toc li {
    line-height: 1.2;
    margin: 10px 0;
  }

  .imgarea.caption img {
    max-width: 90%;
  }
 .ac-btn {
        width: 94%;
        font-size: 1.6rem;
        padding: 1.7rem 2rem;
    }
    .ac-btn.ac-btn01 {
        width: 90%;
    }
    .toc_parts {
        width: 94%;
    }
}