@charset "utf-8";
html {
  scroll-behavior: smooth;
}
.author {
  margin: 10px auto 50px;
  padding: 10px;
  background-color: rgba(100,175,225,0.25);
  border: solid 1px #d7eaf7;
  border-radius: 6px;
  color: #265C80;
}
#author p {
  word-break: keep-all;
}
.vertical-align {
  display: flex; 
  align-items: center;
}
.lead {
  font-size: 18px !important;
  margin-bottom: 30px;
}
#contents-list ul {
  list-style-type: none;
}
#contents-list li {
  padding-left: 46px;
  text-indent: -46px;
}
#contents-list li::before {
  font-family: FontAwesome;
  content: "\f107"" ";
  color: #0064D2;
}
#contentsarea section {
  margin-bottom: 80px;
}
#contentsarea section h2 {
  margin: 100px 0 30px !important;
  height: 80px !important;
  font-size: x-large !important;
  display: flex;
  align-items: center;
  background: linear-gradient(to right, #fff 15%, rgba(160,160,165,0.25));
  border-left: solid 3px #007580;
  text-indent: -36px;
  padding-left: 48px;
  word-break: keep-all;
}
#contentsarea section h2::before {
  content: "";
  width: 3px;
  height: 80px;
  display: inline-block;
  position: relative;
  background-color: transparent;
}
#chapter-1 h3,
#chapter-2 h3,
#chapter-3 h3,
#chapter-4 h3,
#chapter-5 h3 {
  margin-bottom: 20px;
  padding: 15px 15px 10px 15px;
  background-color: #64AFE1;
  background: linear-gradient(to right, #fff 15%, rgba(100,175,225,0.40));
  border-bottom: solid 2px rgba(100,175,225,0.40);
  font-size: 20px;
  word-break: keep-all;
}
#chapter-1 dl,
#chapter-2 dl,
#chapter-3 dl,
#chapter-4 dl,
#chapter-5 dl {
  margin-bottom: 0;
}
#chapter-2 dt,
#chapter-3 dt,
#chapter-4 dt,
#chapter-5 dt {
  border-bottom: solid 1px #64AFE1;
  font-weight: normal;
}
#chapter-1 dt {
  padding: 8px 10px 4px;
  margin-bottom: 10px;
  font-weight: normal;
}
#chapter-4 dt {
  margin-top: 30px;
}
#chapter-2 dd,
#chapter-3 dd,
#chapter-4 dd,
#chapter-5 dd {
  margin-left: 24px;
  padding-top: 3px;
}
#chapter-1 ul,
#chapter-2 ul,
#chapter-3 ul,
#chapter-4 ul,
#chapter-5 ul {
  margin: 30px auto;
}
#chapter-1 li,
#chapter-2 li,
#chapter-3 li,
#chapter-4 li,
#chapter-5 li {
  margin-top: 16px;
}
#chapter-2 figure {
  margin-bottom: 20px;
}
#chapter-4 figure {
  display: inline-block;
}
#chapter-4 figcaption {
  text-align: center;
  font-size: 14px;
  word-break: keep-all;
}
.frame {
  margin-bottom: 8px;
  display: flex;
}
.img-frame {
  padding: 2px;
  display: inline-block;
  cursor: pointer;
  border: 3px solid rgba(160,160,165,0.25);
  transition: all 0.7s ease 0s;
}
.img-frame:hover {
  border: 3px solid #FA9628;
}
.fa-check {
  color: #64AFE1;
}
.mt20 {
  margin-top: 20px;
}
.mt30 {
  margin-top: 30px;
}
.mt50 {
  margin-top: 50px;
}

@media screen and (max-width: 600px) {
  #chapter-5 p a {
    font-size: 14px;
  }
}

@media screen and (max-width: 470px) {
  #contentsarea section h2 {
    font-size: 20px !important;
    text-indent: -34px;
    padding-left: 42px;
  }
  #contents-list ul {
    padding-left: 0;
  }
  #contents-list li {
    font-size: 15px;
    line-height: 17px;
    text-indent: -43px;
    margin-bottom: 10px;
  }
  #chapter-4 figcaption {
    text-indent: 0;
  }
}