h3 {
  margin-bottom: 1em;
  color: #5e76a7;
  font-size: 20px;
  font-weight: normal;
  line-height: 1.7;
}
@media screen and (max-width: 599px) {
  h3 {
    font-size: 18px;
  }
}

/* ==========================================================================
mv
========================================================================== */
.mv .ttl {
  background-color: #5e76a7;
}
.mv .bg {
  background-image: url(/guidance/images/strength/course_style_mv.jpg);
}

/* ==========================================================================
main-content
========================================================================== */
.main-content .box-01 {
  border: 1px solid #5e76a7;
}
.main-content .lesson-box.col2 {
  margin-top: 40px;
}
.main-content .lesson-box h3 {
  margin-bottom: 0;
  padding: 0.5em;
  background: #5e76a7;
  color: #fff;
  text-align: center;
}
.main-content .lesson-box h3 span {
  font-size: 16px;
}
.main-content .lesson-box .box-01 img {
  width: 100%;
}
.main-content .lesson-box .box-01 .txt-box {
  padding: 2em 1.5em;
}
.main-content .lesson-box .box-01 h4 {
  margin-top: 1.5em;
  color: #5e76a7;
  font-size: 20px;
  font-weight: normal;
}
.main-content .recommend-list {
  margin-top: 1em;
  font-size: 16px;
}
.main-content .recommend-list li {
  margin-bottom: 0.2em;
  line-height: 1.5;
}
.main-content .recommend-list span {
  margin-right: 0.3em;
  color: #5e76a7;
}
.main-content .lesson-box.col1 {
  margin-top: 60px;
}
.main-content .lesson-box.col1 .box-01 {
  padding: 1.5em;
}
.main-content .case-study {
  margin-top: 40px;
}
.main-content .lesson-style-list {
  margin-top: 40px;
}
.main-content .lesson-style-list li {
  border: 1px solid #5e76a7;
}
.main-content .lesson-style-list li + li {
  margin-top: 50px;
}
.main-content .lesson-style-list .case-ttl {
  display: flex;
  justify-content: space-between;
  background: #5e76a7;
}
.main-content .lesson-style-list h4 {
  width: 48%;
  padding-top: 1em;
  background: #fff;
  color: #5e76a7;
  font-size: 20px;
  font-weight: normal;
  text-align: center;
  line-height: 1.6;
}
.main-content .lesson-style-list h4 span {
  font-family: 'Josefin Slab', serif;
  font-size: 40px;
}
.main-content .lesson-style-list .case-ttl .img {
  width: 48%;
  line-height: 0;
}
.main-content .lesson-style-list .case1 .img {
  background: url(/guidance/images/strength/img_course_style_04.jpg) no-repeat left top / cover;
}
.main-content .lesson-style-list .case2 .img {
  background: url(/guidance/images/strength/img_course_style_05.jpg) no-repeat left center / cover;
}
.main-content .lesson-style-list .case3 .img {
  background: url(/guidance/images/strength/img_course_style_06.jpg) no-repeat center / cover;
}
.main-content .lesson-style-list .txt-box {
  padding: 1.5em;
}
.main-content .lesson-style-list .txt-box .situation {
  font-size: 20px;
  line-height: 1.8;
}
.main-content .lesson-style-list .txt-box .situation span {
  color: #5e76a7;
}
.main-content .lesson-style-list .txt-box .bg-paint {
  display: inline-block;
  margin: 0.8em 0;
  padding: 0.4em;
  background: #5e76a7;
  color: #fff;
  font-size: 16px;
  line-height: 1;
}
.main-content .lesson-style-list .txt-box .cont {
  font-size: 16px;
  line-height: 1.7;
}
.main-content .calendar {
  margin-top: 55px;
}
.main-content .calendar .calendar-list {
  display: flex;
  justify-content: space-between;
  margin-top: 35px;
}
.main-content .calendar .calendar-list li {
  width: 47%;
}
@media screen and (min-width: 600px) {
  .main-content .lesson-box.col2 .box-01 {
    width: 48%;
  }
  .main-content .lesson-box.col1 .box-01 .img {
    width: 55%;
  }
  .main-content .lesson-box.col1 .box-01 .img img {
    max-width: 522px;
  }
  .main-content .lesson-box.col1 .box-01 p {
    width: 43%;
  }
  .main-content .lesson-style-list li {
    display: flex;
  }
  .main-content .lesson-style-list .case-ttl {
    width: 40%;
  }
  .main-content .lesson-style-list .txt-box {
    width: 60%;
  }
  .main-content .calendar .calendar-list {
    max-width: 650px;
  }
}
@media screen and (max-width: 599px) {
  .main-content .lesson-box h3 span {
    font-size: 14px;
  }
  .main-content .lesson-box .box-01 + .box-01 {
    margin-top: 40px;
  }
  .main-content .lesson-box .box-01 h4 {
    font-size: 18px;
  }
  .main-content .recommend-list {
    margin-top: 1em;
    font-size: 14px;
  }
  .main-content .lesson-box.col1 {
    margin-top: 40px;
  }
  .main-content .lesson-box.col1 .box-01 img {
    margin-bottom: 1em;
  }
  .main-content .lesson-style-list li + li {
    margin-top: 30px;
  }  
  .main-content .lesson-style-list h4 {
    font-size: 17px;
  }
  .main-content .lesson-style-list h4 span {
    font-size: 35px;
  }
  .main-content .lesson-style-list .case-ttl .img {
    min-height: 215px;
  }
  .main-content .lesson-style-list .txt-box {
    padding: 4%;
    border-top: 1px solid #5e76a7;
  }
  .main-content .lesson-style-list .txt-box .situation {
    font-size: 18px;
  }
  .main-content .calendar .calendar-list {
    margin-top: 25px;
  }
}