.contents-wrapper {
  padding: 20px 5px;
}
h1 {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 30px;
}
h2 {
  line-height: 2.2rem;
}
.reading-box:last-child {
  margin-bottom: 0;
}
.story_title {
  color: #6a3906;
  text-align: left;
  margin: 20px 0px 5px;
  font-weight:  bold;
  font-size: 1.6rem;
}
.story_section {
  max-width: 750px;
  width: 100%;
}
.bar1 {
  display: block;
  width: 100%;
  height: 1px;
  background-color: #6a3906;
  border: 0; 
  margin-top: 0px;
}
.topbtn {
  display: block;
  text-align: center;
  margin-top: 20px;
  margin-bottom: 15px;
}
.topbtn img {
  width: 70%;
}
.story_sentence {
  line-height: 2.4rem;
  font-size: 1.4rem;
  margin-bottom: 1.0rem;
}
.commit01 {
  display: block;
  text-align: center;
  margin-bottom: 30px;
  }
.commit01 img {
  width: 100%;
}
.commit02 {
  display: block;
  text-align: center;
  }
.commit02 img {
  width: 100%;
}
.capt {
      color: grey;
      font-size: 75%;
      text-align: center;
      margin-bottom: 5px;
}

/*--PC--*/
@media screen and (min-width: 865px) {
  .contents-wrapper {
    padding: 60px 50px 80px;
  }
  main {
    margin: 0 auto;
    width: 750px;
  }
  h1 {
    font-size: 20px;
    margin-bottom: 30px;
    text-align: center;
  }
  h2 {
    line-height: 2.2rem;
  }
  .reading-box {
    font-size: 15px;
  }
  .commit01 img {
    width: 600px;
  }
  .commit02 img {
    width: 600px;
  }
  .story_title {
    color: #6a3906;
    text-align: left;
    margin: 20px 0px 5px;
    font-weight:  bold;
    font-size: 17px;
  }
  .story_sentence {
    line-height: 1.8em;
  }
  .topbtn {
    text-align: center;
    display: block;
    margin-top: 20px;
    margin-bottom: 15px;
 }
}