#contentsarea #menuarea ul li {
  position: relative;
}
#contentsarea #menuarea ul li::before {
  content: "";
  display: block;
  width: 5px;
  height: 100%;
  background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAABCAYAAAAW/mTzAAAAE0lEQVR4AWLy8vL6D8MMQABiAwAAAP//VXyLfAAAAAZJREFUAwBRtwd3hOKZZAAAAABJRU5ErkJggg==) repeat;
  position: absolute;
  left: 0;
  z-index: 5;
}
#contentsarea #menuarea ul li a {
  display: block;
  line-height: 50px;
  height: 50px;
  padding-left: 20px;
  position: relative;
  color: #444;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}
#contentsarea #menuarea ul li a::before {
  content: "";
  width: 24px;
  height: 20px;
  margin-right: 6px;
  display: inline-block;
  -webkit-mask-size: 100%;
          mask-size: 100%;
  background-color: #1A1311;
  vertical-align: middle;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}
#contentsarea #menuarea ul li a.index::before {
  -webkit-mask: url(../images/menu_index.svg);
          mask: url(../images/menu_index.svg);
}
#contentsarea #menuarea ul li a.concept::before {
  -webkit-mask: url(../images/menu_concept.svg);
          mask: url(../images/menu_concept.svg);
}
#contentsarea #menuarea ul li a.profile::before {
  -webkit-mask: url(../images/menu_profile.svg);
          mask: url(../images/menu_profile.svg);
}
#contentsarea #menuarea ul li a.lesson::before {
  -webkit-mask: url(../images/menu_lesson.svg);
          mask: url(../images/menu_lesson.svg);
}
#contentsarea #menuarea ul li a.access::before {
  -webkit-mask: url(../images/menu_access.svg);
          mask: url(../images/menu_access.svg);
}
#contentsarea #menuarea ul li a.blog::before {
  -webkit-mask: url(../images/menu_blog.svg);
          mask: url(../images/menu_blog.svg);
}
#contentsarea #menuarea ul li a.recital::before {
  -webkit-mask: url(../images/menu_recital.svg);
          mask: url(../images/menu_recital.svg);
}
#contentsarea #menuarea ul li a.current, #contentsarea #menuarea ul li a:hover {
  text-decoration: none;
}
#contentsarea #menuarea ul li a.current.index, #contentsarea #menuarea ul li a:hover.index {
  background: #FCDEE9;
}
#contentsarea #menuarea ul li a.current.index::before, #contentsarea #menuarea ul li a:hover.index::before {
  background-color: #F6539B;
}
#contentsarea #menuarea ul li a.current.concept, #contentsarea #menuarea ul li a:hover.concept {
  background: #D6F5FF;
}
#contentsarea #menuarea ul li a.current.concept::before, #contentsarea #menuarea ul li a:hover.concept::before {
  background-color: #1D72DB;
}
#contentsarea #menuarea ul li a.current.profile, #contentsarea #menuarea ul li a:hover.profile {
  background: #FCF3CD;
}
#contentsarea #menuarea ul li a.current.profile::before, #contentsarea #menuarea ul li a:hover.profile::before {
  background-color: #FB9B00;
}
#contentsarea #menuarea ul li a.current.lesson, #contentsarea #menuarea ul li a:hover.lesson {
  background: #E0F8BF;
}
#contentsarea #menuarea ul li a.current.lesson::before, #contentsarea #menuarea ul li a:hover.lesson::before {
  background-color: #6FC200;
}
#contentsarea #menuarea ul li a.current.access, #contentsarea #menuarea ul li a:hover.access {
  background: #C3F8BF;
}
#contentsarea #menuarea ul li a.current.access::before, #contentsarea #menuarea ul li a:hover.access::before {
  background-color: #008500;
}
#contentsarea #menuarea ul li a.current.blog, #contentsarea #menuarea ul li a:hover.blog {
  background: #F8E5E1;
}
#contentsarea #menuarea ul li a.current.blog::before, #contentsarea #menuarea ul li a:hover.blog::before {
  background-color: #850001;
}
#contentsarea #menuarea ul li a.current.recital, #contentsarea #menuarea ul li a:hover.recital {
  background: #DBF3F3;
}
#contentsarea #menuarea ul li a.current.recital::before, #contentsarea #menuarea ul li a:hover.recital::before {
  background-color: #38B1AD;
}
#contentsarea .box_message {
  font-size: 14px;
}
#contentsarea .box_message + .box_message {
  margin-top: 24px;
}
#contentsarea .box_message .tit_icon {
  padding-left: 30px;
  font-weight: 700;
  color: #444;
  position: relative;
}
#contentsarea .box_message .tit_icon::before {
  content: "";
  width: 24px;
  height: 20px;
  margin-right: 6px;
  display: inline-block;
  -webkit-mask-size: 100%;
          mask-size: 100%;
  vertical-align: middle;
  -webkit-transition: 0.3s;
  transition: 0.3s;
  position: absolute;
  top: 0;
  left: 0;
}
#contentsarea .box_message p {
  margin-top: 13px;
}
#contentsarea .box_message ul li {
  margin-top: 13px;
  padding-left: 12px;
  position: relative;
}
#contentsarea .box_message ul li::before {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  background: #444;
  position: absolute;
  top: 8px;
  left: 0;
  border-radius: 50%;
}
#contentsarea .box_message.gread {
  margin-top: 40px;
}
#contentsarea #mainarea.index .mb-edit {
  position: relative;
}
#contentsarea #mainarea.index .mb-edit::before {
  content: "";
  display: block;
  width: 284px;
  height: 110px;
  background: url(../images/index/title.png) no-repeat center top;
  background-size: 100%;
  position: absolute;
  top: -10px;
  right: 0;
}
#contentsarea #mainarea.index .box_text {
  padding-bottom: 100px;
  font-size: 14px;
}
#contentsarea #mainarea.index .box_text p + p {
  margin-top: 10px;
}
#contentsarea #mainarea.concept .txt_lead {
  padding-bottom: 38px;
  font-size: 14px;
}
#contentsarea #mainarea.concept .box_message .tit_icon::before {
  -webkit-mask: url(../images/menu_concept.svg);
          mask: url(../images/menu_concept.svg);
  background-color: #1D72DB;
}
#contentsarea #mainarea.concept .box_message ul li::before {
  background: #1D72DB;
}
#contentsarea #mainarea.profile .box_profile {
  margin-top: 30px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
#contentsarea #mainarea.profile .box_profile .img {
  width: 241px;
}
#contentsarea #mainarea.profile .box_profile .text {
  width: 396px;
  font-size: 14px;
}
#contentsarea #mainarea.profile .box_profile .text p + p {
  margin-top: 10px;
}
#contentsarea #mainarea.profile .box_profile .dl_name {
  margin-top: 10px;
  text-align: right;
}
#contentsarea #mainarea.profile .box_profile .dl_name dd {
  margin-top: 2px;
}
#contentsarea #mainarea.profile .box_lesson {
  margin-top: 60px;
}
#contentsarea #mainarea.profile .box_lesson .img {
  margin-top: 33px;
}
#contentsarea #mainarea.profile .box_lesson .bnr_blog {
  margin-top: 55px;
  -webkit-box-shadow: 2px 2px 5px 0px rgba(0, 0, 0, 0.1);
          box-shadow: 2px 2px 5px 0px rgba(0, 0, 0, 0.1);
}
#contentsarea #mainarea.profile .box_lesson .bnr_blog a {
  display: block;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}
#contentsarea #mainarea.profile .box_lesson .bnr_blog a:hover {
  opacity: 0.8;
}
#contentsarea #mainarea.lesson h2.lsn {
  margin-bottom: 20px;
}
#contentsarea #mainarea.lesson .box_message .tit_icon::before {
  -webkit-mask: url(../images/menu_concept.svg);
          mask: url(../images/menu_concept.svg);
  background-color: #1D72DB;
}
#contentsarea #mainarea.lesson .box_message ul li::before {
  background: #1D72DB;
}
#contentsarea #mainarea.lesson .dl_lesson {
  margin-top: 30px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
#contentsarea #mainarea.lesson .dl_lesson dt, #contentsarea #mainarea.lesson .dl_lesson dd {
  margin-bottom: 25px;
  font-size: 14px;
}
#contentsarea #mainarea.lesson .dl_lesson dt {
  width: 168px;
  padding-left: 10px;
  font-weight: 700;
  position: relative;
}
#contentsarea #mainarea.lesson .dl_lesson dt::before {
  content: "";
  width: 24px;
  height: 20px;
  margin-right: 6px;
  display: inline-block;
  -webkit-mask: url(../images/menu_lesson.svg);
          mask: url(../images/menu_lesson.svg);
  -webkit-mask-size: 100%;
          mask-size: 100%;
  background-color: #6FC200;
  vertical-align: middle;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}
#contentsarea #mainarea.lesson .dl_lesson dd {
  width: calc(100% - 178px);
}