.course_header {
  width: 100%;
  padding: 145px 0 45px 0;
  background-attachment: fixed;
  background-size: cover;
  background-position: 50% 80%;
}

_:-ms-input-placeholder,
:root .course_header {
  background-attachment: scroll;
}

#bg1,
#bg2,
#bg3 {
  background-color: rgba(255, 255, 255, 0.2);
  background-blend-mode: lighten;
}

#bg1 {
  background-image: url(../img/course1/course1_bg.jpg?186);
}

#bg2 {
  background-image: url(../img/course2/course2_bg.jpg?186);
}

#bg3 {
  background-image: url(../img/course3/course3_bg.jpg?186);
}

#bg1 .wrapper,
#bg2 .wrapper,
#bg3 .wrapper {
  align-items: flex-start;
}

.course_header a {
  color: black;
}

.course_header_txt {
  display: inline-block;
  width: 49.5%;
  margin: 45px 0 0 0;
  position: relative;
  vertical-align: top;
}

.course_header h1 {
  margin: 40px 0 20px 0;
  font-size: 28px;
}

.course_header_img {
  width: 100%;
  height: 416px;
  background-size: cover;
  background-position: 50% 65%;
}

#img1 {
  background-image: url(../img/course1/course1_07.jpg?186);
}
#img2 {
  background-image: url(../img/top/top_1.jpg?186);
}
#img3 {
  background-image: url(../img/top/top_4.jpg?186);
}

input {
  display: none;
}

.course_header_txt label {
  display: block;
  box-sizing: border-box;
  width: 85%;
  margin: 0;
  padding: 1% 6%;
  border-radius: 4px;
  font-size: 18px;
  color: white;
  cursor: pointer;
  transition: background-color 0.3s;
}

.course_about1 {
  background-color: #d22e64;
}

.course_about1:hover {
  background-color: #ff6699;
}

.course_about2 {
  background-color: #95579a;
}

.course_about2:hover {
  background-color: #cc99cc;
}

.course_about3 {
  background-color: #006eb9;
}

.course_about3:hover {
  background-color: #6699cc;
}

.course_header label::before,
.course_body label::before {
  display: block;
  position: absolute;
  left: 2%;
  content: "\203a";
  transition: 0.1s;
}
.course_header label::before {
  left: 2.5%;
}

#link_outline {
  height: 0px;
  overflow: hidden;
  transition: 0.3s;
}

#course_about:checked ~ #link_outline {
  height: 295px;
}

#course_about:checked ~ #header_label::before {
  transform: rotate(90deg);
}

#link_outline table {
  box-sizing: border-box;
  width: 85%;
  margin: 0;
  padding: 0;
  border-collapse: collapse;
  background-color: white;
  font-size: 0.8em;
  border: 1px solid lightgray;
}

.course_header_txt th {
  width: 30%;
  border-top: 1px solid lightgray;
  border-bottom: 1px solid lightgray;
  background-color: whitesmoke;
  font-size: 0.9em;
}

.course_header_txt td {
  padding: 10px 10px;
  vertical-align: top;
  border-top: 1px solid lightgray;
  border-bottom: 1px solid lightgray;
}

.course_header_txt td ul {
  list-style: none;
  padding: 0 0 0 0px;
}

.course_header_txt iframe {
  width: 100%;
  border-style: none;
  background-color: white;
  box-sizing: border-box;
  border: 1px solid silver;
}

.course_body {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 50px 0 80px 0;
  background: white;
}

.course_body label {
  display: block;
  position: relative;
  box-sizing: border-box;
  width: 100%;
  padding: 1% 3%;
  border-radius: 4px;
  color: white;
  cursor: pointer;
  font-size: 20px;
  font-weight: bolder;
  transition: backgroun-color 0.3s;
}

.label_course1,
#goal1 {
  background-color: #d22e64;
}

.label_course1:hover {
  background-color: rgba(229, 0, 78, 0.6);
}

.label_course2,
#goal2 {
  background-color: #95579a;
}

.label_course2:hover {
  background-color: rgba(149, 87, 154, 0.6);
}

.label_course3,
#goal3 {
  background-color: #006eb9;
}

.label_course3:hover {
  background-color: rgba(0, 110, 185, 0.6);
}

#checkpoint1:checked ~ #label1::before,
#checkpoint2:checked ~ #label2::before,
#checkpoint3:checked ~ #label3::before,
#checkpoint4:checked ~ #label4::before,
#checkpoint5:checked ~ #label5::before,
#checkpoint6:checked ~ #label6::before,
#checkpoint7:checked ~ #label7::before,
#checkpoint8:checked ~ #label8::before,
#checkpoint9:checked ~ #label9::before {
  transform: rotate(90deg);
}

.course_checkpoint {
  box-sizing: border-box;
  width: 96%;
  margin: 0 0 0 4%;
  position: relative;
}

.course1_color {
  border-left: 3px solid #ff6699;
}

.course2_color {
  border-left: 3px solid #cc99cc;
}

.course3_color {
  border-left: 3px solid #6699cc;
}

.checkpoint_txt {
  box-sizing: border-box;
  width: 94%;
  height: auto;
  margin: 0 0 0 6%;
  padding: 3% 0 5% 0;
  border-bottom: 1px solid darkgray;
}

.checkpoint_txt:last-child {
  border-bottom: 0;
}

.checkpoint_txt ul {
  display: flex;
  width: 100%;
  margin: 0;
  padding: 10px 0;
  align-items: baseline;
  list-style: none;
}

.checkpoint_txt li:first-child {
  font-size: 1em;
  font-weight: bold;
}

.checkpoint_txt li:last-child {
  font-size: 0.9em;
  font-style: italic;
}

.checkpoint_txt li:last-child::before {
  content: "／";
}

.checkpoint_txt img {
  width: 58%;
}

.checkpoint_desc {
  display: inline-block;
  box-sizing: border-box;
  width: 40%;
  height: auto;
  padding: 0 0 0 4%;
  position: relative;
  vertical-align: top;
  overflow: auto;
}
.checkpoint_desc p:first-child {
  margin: 0;
}

.checkpoint_desc a {
  display: block;
  box-sizing: border-box;
  width: 70%;
  margin-top: 60px;
  padding: 2% 0;
  border: 1px solid dimgray;
  border-radius: 2px;
  position: relative;
  text-align: center;
  text-decoration: none;
  font-size: 0.9em;
  color: black;
  transition: background-color 0.3s;
}

.checkpoint_desc a:hover {
  background-color: #eee;
}

.checkpoint_desc a::after {
  font-family: "Material Icons";
  content: "\e89e";
  font-weight: 400;
  font-size: 1.2em;
  position: absolute;
  top: 50%;
  right: 5%;
  transform: translateY(-50%);
  color: #333;
}

  .pr {
    padding-right: 11%!important;
  }

.inner_link {
  border-radius: 20px !important;
  width: 50% !important;
}
.inner_link_don {
  margin: 40px 0 !important;
}
.inner_link::after {
  font-family: "Material Icons" !important;
  content: "\e315" !important;
  font-weight: normal;
  font-size: 1.4em;
  position: absolute;
  right: 8%;
}

.checkpoint_desc table {
  width: 80%;
  margin-top: 60px;
  border-collapse: collapse;
  font-size: 0.8em;
}

#gri_txt {
  margin-top: 60px;
}
#gri_table {
  margin-top: 0;
}

.checkpoint_desc table caption {
  margin: 5px 0;
}

.checkpoint_desc th {
  width: 40%;
  padding: 2% 0;
  border-top: 1px solid silver;
  border-bottom: 1px solid silver;
}

.checkpoint_desc td {
  border-top: 1px solid silver;
  border-bottom: 1px solid silver;
}

.checkpoint_desc td:last-child {
  padding-left: 5%;
}

#goal1 {
  background: linear-gradient(to right, #ff6699, 25%, #d22e64);
}

#goal2 {
  background: linear-gradient(to right, #cc99cc, 25%, #95579a);
}

#goal3 {
  background: linear-gradient(to right, #6699cc, 25%, #006eb9);
}

.goal {
  position: absolute;
  width: auto;
  padding: 3px 4%;
  left: 0;
  bottom: 0;
  border-radius: 0 4px 4px 0;
  color: white;
  font-weight: bold;
}

@media screen and (max-width: 1367px) {
  #bg1,
  #bg2,
  #bg3 {
    background-image: none;
    background-color: #e8e8e8;
  }

  .checkpoint_desc a {
    transition: 0s;
  }

  #link_outline table {
    border-left: 2px solid lightgray;
    border-right: 2px solid lightgray;
    border-bottom: 2px solid lightgray;
  }
}

@media screen and (max-width: 1000px) {
  .course_header {
    padding: 85px 0 20px 0;
  }

  .course_header_txt {
    display: block;
    width: 100%;
    margin: 20px auto;
  }

  .course_header h1 {
    font-size: 1.5em;
  }

  .course_header_img {
    height: 300px;
    margin: 0 0 40px 0;
  }

  .course_body {
    padding: 40px 0 60px 0;
  }

  .course_header_txt label {
    width: 100%;
    padding: 1% 25px;
  }
  .course_header label::before,
  .course_body label::before {
    left: 1.5%;
  }

  #course_about:checked ~ #link_outline {
    height: 0;
    overflow: hidden;
  }

  #course_about:not(:checked) ~ #link_outline {
    height: 295px;
    opacity: 1;
  }

  .course_header label::before {
    transform: rotate(90deg);
  }

  #course_about:checked ~ #header_label::before {
    transform: rotate(0deg);
  }

  #link_outline table {
    width: 100%;
  }

  .course_header_txt iframe {
    box-sizing: border-box;
    border: 2px solid silver;
  }

  .checkpoint_txt {
    padding: 6% 0 10% 0;
  }

  .checkpoint_desc a,
  .checkpoint_desc table {
    width: 100%;
    margin-top: 35px;
  }

  .inner_link {
    width: 65% !important;
  }
}

@media screen and (max-width: 820px) {
  .course_header_img {
    background-position: 50% 80%;
  }

  #img1 {
    background-image: url(../img/course1/course1_07min.jpg?186);
  }
  #img2 {
    background-image: url(../img/course2/course2_04.jpg?186);
  }
  #img3 {
    background-image: url(../img/course3/course3_07.jpg?186);
  }
}

@media screen and (max-width: 765px) {
  .checkpoint_desc a::after {
    right: 4%;
  }
}

@media screen and (max-width: 540px) {
  .nav_br::before {
    content: "\A";
    white-space: pre;
  }

  .course_header {
    padding: 85px 0 10px 0;
  }

  .course_header h1 {
    font-size: 1.2em;
  }

  .course_header_img {
    height: 150px;
  }

  .course_header label {
    padding: 2% 25px;
  }

  #link_outline {
    transition: 0.2s;
  }

  #link_outline table {
    font-size: 0.7em;
  }

  #course_about:not(:checked) ~ #link_outline {
    height: 285px;
    opacity: 1;
  }

  .course_header_txt th {
    width: 30%;
  }

  .course_header_txt iframe {
    height: 300px;
  }

  .course_body {
    padding: 30px 0 50px 0;
  }

  .course_body label {
    padding: 2% 25px;
    font-size: 15px;
  }

  .course_header label::before,
  .course_body label::before {
    left: 2.5%;
  }

  .checkpoint_txt {
    padding: 30px 0;
    width: 94%;
  }

  .checkpoint_txt_last {
    padding: 30px 0 12% 0;
  }

  .checkpoint_txt ul {
    display: block;
    padding: 0 0 10px 0;
  }

  .checkpoint_txt li:first-child {
    font-size: 0.9em;
    font-weight: bold;
  }

  .checkpoint_txt li:last-child {
    font-size: 0.8em;
  }

  .checkpoint_txt img {
    width: 100%;
  }

  .checkpoint_desc {
    display: block;
    width: 100%;
    margin-top: 15px;
    padding: 0;
    height: auto;
  }

  .checkpoint_desc th {
    padding: 1% 0;
  }

  .checkpoint_desc a {
    width: 90%;
    margin: 40px auto 20px auto;
  }


  .checkpoint_desc table {
    width: 90%;
    margin: 30px auto;
  }

  .inner_link_don {
    margin: 40px auto !important;
  }
}