@charset "utf-8";

/* コラム css
---------------------------------------------------- */

.col_art_header h1 {
  font-size: 3.4rem;
  font-weight: normal;
  color: #8ca4c3;
  padding: 0 0 25px;
  border-bottom: 2px solid #deebf7;
  position: relative;
  margin: 0 0 40px;
}

.col_art_header h1:after {
  content: '';
  display: block;
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 215px;
  height: 2px;
  background: #b4c7e7;
}

.col_art_detail {
  display: flex;
  flex-direction: row;
  align-items: center;
  margin-top: 20px;
  margin-bottom: 40px;
}

.col_art_detail .col_art_tag {
  background-color: #b4c7e7;
  padding: 5px 10px;
  font-size: 1.2rem;
  display: block;
  line-height: 1;
  color: #fff;
  display: inline-block;
}

.col_art_detail .col_art_time {
  display: flex;
  flex-direction: row;
  margin-top: 10px;
}

.col_art_detail p {
  font-size: 1.3rem;
  line-height: 1;
  color: #756d6b;
  margin-right: 10px;
  display: flex;
  flex-direction: row;
  align-items: center;
}

.col_art_detail .col_art_time_create span {
  display: inline-block;
  width: 15px;
  height: 15px;
  margin-right: 5px;
  margin-left: 20px;
  background: url(../img/icon_create.png) no-repeat center;
}

.col_art_detail .col_art_time_update span {
  display: inline-block;
  width: 15px;
  height: 15px;
  margin-right: 5px;
  margin-left: 10px;
  background: url(../img/icon_update.png) no-repeat center;
}

.col_art_thumb {
  width: 100%;
  height: 460px;
  object-fit: cover;
}

#toc_container {
  width: 100% !important;
  margin: 60px auto;
  padding: 25px 40px;
  background-color: #f7fafd;
}
#toc_container * {
  color: #8ca4c3;
}
#toc_container .toc_title {
  font-size: 2.2rem;
  font-weight: 500;
  display: block;
  text-align: center;
  position: relative;
  margin: 0;
}
#toc_container .toc_title .toc_toggle {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
}
#toc_container .toc_title a {
  display: block;
  font-size: 1.5rem;
  line-height: 1;
  color: #8ca4c3;
  margin: 0;
  border-bottom: none;
  font-weight: 500;
  padding-left: 20px;
}
#toc_container .toc_title a::before {
  position: absolute;
  top: calc(50% - 1px);
  transform: translateY(-50%);
  content: '';
  background-image: url(../img/icon_toc-close.png);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  display: block;
  width: 13px;
  aspect-ratio: 1;
  left: 0;
}
#toc_container.contracted .toc_title a::before {
  background-image: url(../img/icon_toc-open.png);
}
#toc_container .toc_brackets {
  display: none;
}
#toc_container .toc_list {
  visibility: visible;
  height: 100%;
  opacity: 1;
  border-top: 1px solid #8ca4c3;
  margin-top: 10px;
  padding: 25px 25px 0 60px;
}
#toc_container.contracted .toc_list {
  visibility: hidden;
  height: 0;
  opacity: 0.2;
  transition: all 0.5s ease-out;
}
#toc_container .toc_list > li:not(:first-child) {
  margin-top: 30px;
}
#toc_container ul {
  counter-reset: section;
  margin-bottom: 0;
  width: 100%;
}
#toc_container ul li {
  font-size: 1.8rem;
  position: relative;
}
#toc_container ul li::before {
  content: counters(section, '-') '. ';
  counter-increment: section;
  font-size: inherit;
  line-height: 1;
  position: absolute;
  top: 4px;
  left: -30px;
  width: auto;
  height: auto;
  border-radius: 0;
  background-color: transparent;
  display: inline-block;
  margin-right: 0;
}
#toc_container ul ul {
  padding-left: 60px;
}
#toc_container ul ul li {
  padding-left: 25px;
}

/* col_art_content */

.col_art_content h2 {
  font-size: 2.6rem;
  line-height: 1.4;
  color: #8ca4c3;
  padding-left: 20px;
  border-left: 6px solid #8ca4c3;
  position: relative;
  margin: 100px 0 40px;
}

.col_art_content h3 {
  font-size: 2.6rem;
  line-height: 1.4;
  padding: 0 0 10px;
  color: #8ca4c3;
  border-bottom: 2px solid #deebf7;
  position: relative;
  margin: 100px 0 40px;
}

.col_art_content h3:after {
  content: '';
  display: block;
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 215px;
  height: 2px;
  background: #b4c7e7;
}

.col_art_content h4 {
  font-size: 2.4rem;
  line-height: 1.4;
  font-weight: bold;
  display: block;
  text-align: center;
  padding: 8px;
  background-color: #b4c7e7;
  color: #fff;
  margin: 100px 0 40px;
}

.col_art_content p {
  font-size: 1.6rem;
  line-height: 2;
  color: #756d6b;
  margin: 30px 0;
}

.col_art_content p a {
  font-size: 1.6rem;
  line-height: 2;
  color: #6c85b1;
  margin: 30px 0;
  border-bottom: solid 1px #b4c7e7;
  font-weight: bold;
}

.col_art_content p a:hover {
  opacity: 0.8;
  cursor: pointer;
}

.col_art_content em {
  font-style: normal;
  color: #c9392b;
  font-weight: bold;
}

.col_art_content img {
  display: block;
  width: 80%;
  height: auto;
  margin: 30px auto;
}

.col_art_content ul li {
  color: #756d6b;
  line-height: 1.4;
  font-weight: bold;
  display: block;
  margin: 20px 0;
}

.col_art_content ul li {
  font-size: 1.6rem;
  line-height: 1.4;
  color: #8ca4c3;
  display: block;
  margin: 20px 0;
}

.col_art_content ul li::before {
  content: '';
  width: 12px;
  height: 12px;
  border-radius: 6px;
  background-color: #b7d2e9;
  display: inline-block;
  margin-right: 20px;
}

.col_art_content iframe {
  width: 80%;
  text-align: center;
  display: block;
  margin: 50px auto;
}

.col_art_content table {
  display: table;
  width: 100%;
  margin: 20px 0;
}

.col_art_content table tr {
  vertical-align: middle;
  background-color: #f9f9f9;
  border: solid 2px #fff;
  padding: 8px;
  text-align: center;
}

.col_art_content table th {
  display: table-cell;
  background-color: #efeded;
  padding: 8px;
  text-align: center;
  border: solid 2px #fff;
}

.col_art_content table td {
  display: table-cell;
  padding: 8px;
  border: solid 2px #fff;
}

.col_art_content .btn_color {
  margin: 60px auto;
}

.col_art_content .wp-block-quote {
  position: relative;
  padding: 30px 40px 30px 90px;
  background-color: #f7fafd;
}
.col_art_content .wp-block-quote::before {
  content: '';
  background-image: url(../img/icon_blockquote.png);
  background-size: contain;
  background-position: center;
  background-position: center;
  display: block;
  width: 30px;
  aspect-ratio: 3/2;
  position: absolute;
  top: 50%;
  left: 40px;
  transform: translateY(-50%);
}
.col_art_content .wp-block-quote::after {
  content: none;
}
.col_art_content .wp-block-quote p {
  font-size: 1.7rem;
  color: #8ca4c3;
  letter-spacing: -0.2px;
  line-height: calc(36 / 17);
  margin-top: 0;
  margin-bottom: 15px;
}
.col_art_content .wp-block-quote a {
  font-size: 1.4rem;
  color: #8ca4c3;
  text-decoration: none;
  letter-spacing: -0.2px;
}
.col_art_catch-heading {
  width: fit-content;
  font-size: 2rem;
  font-weight: bold;
  color: #fff;
  background-color: #756d6b;
  margin: 0 auto;
  padding: 10px 85px;
  position: relative;
}
.col_art_catch-heading::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 16px 23.5px 0 23.5px;
  border-color: #756d6b transparent transparent transparent;
  position: absolute;
  top: calc(100% - 8px);
  left: 50%;
  transform: translateX(-50%);
}

.col_art_supervisor {
  background-color: #f7fafd;
  padding: 35px 20px 30px 30px;
  margin-bottom: 40px;
}
.col_art_supervisor_inner {
  display: flex;
  align-items: flex-start;
  gap: 30px;
}
.col_art_supervisor_img {
  width: 100px;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
}
.col_art_supervisor_body {
  flex: 1;
}
.col_art_supervisor_top {
  font-size: 1.2rem;
  color: #b4c7e7;
  margin-bottom: 5px;
}
.col_art_supervisor_name {
  font-size: 2.4rem;
  color: #8ca4c3;
}
.col_art_supervisor_post {
  font-size: 1.2rem;
  color: #b4c7e7;
  margin-bottom: 16px;
}
.col_art_supervisor_comment {
  font-size: 1.3rem;
  font-weight: 500;
  line-height: calc(23 / 13);
  letter-spacing: -0.5px;
  color: #756d6b;
}
.col_art_supervisor_comment.sp {
  display: none;
}

.colmain .col_art .col_item {
  border: 2px solid #f2f2f2;
  padding: 40px 45px;
  margin-bottom: 40px;
}
.colmain .col_art .col_item .col_item_thumb {
  width: 220px;
  height: 185px;
}
.colmain .col_art .col_item .col_item_02 {
  width: calc(100% - 250px);
}
.colmain .col_art .col_item .col_title {
  font-size: 2.4rem;
  line-height: 1.3;
}
.colmain .col_art .col_item .col_excerpt_pc {
  font-size: 1.3rem;
}

.col_art_banner img {
  width: 100%;
  object-fit: cover;
  object-position: center;
  margin-bottom: 80px;
}

.col_art .btn_box {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.col_art .btn_box .btn_color {
  width: 48%;
  margin: 0;
  margin-left: auto;
  margin-bottom: 30px;
}
.col_art .btn_box .btn_color.left_arrow {
  margin-right: auto;
  margin-left: 0;
}
.col_art .btn_color.left_arrow a {
  text-align: right;
  padding: 18px 30px 18px 60px;
  background: url('./../../common/img/point_arrow04.png') no-repeat center left 10px;
}
.col_art .btn_color.left_arrow a:hover {
  background: url('./../../common/img/point_arrow05.png') no-repeat center left 10px;
}
.col_art .btn_color.left_arrow:after {
  left: unset;
  right: 0;
}
.col_art .btn_color.w_full {
  width: 100%;
  margin: 0 auto;
  margin-bottom: 70px;
}

.related_art {
  margin-bottom: 100px;
}
.related_art_title {
  font-size: 2.4rem;
  font-weight: 500;
  color: #756d6b;
  text-align: center;
  border: 1px solid #707070;
  background-color: #fff;
  padding: 6px;
  position: relative;
  margin-bottom: 10px;
}
.related_art_title::before,
.related_art_title::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 17px 17px 0 17px;
}
.related_art_title::before {
  top: 100%;
  border-color: #707070 transparent transparent transparent;
  z-index: 1;
}
.related_art_title::after {
  top: calc(100% - 1px);
  border-color: #fff transparent transparent transparent;
  z-index: 2;
}
.colmain .related_art .col_item {
  padding: 10px 0;
}
.colmain .related_art .col_item:last-of-type {
  padding-bottom: 0;
}
.colmain .related_art .col_item_a {
  align-items: center;
}
.colmain .related_art .col_item .col_item_thumb {
  width: 135px;
  height: 104px;
}
.colmain .related_art .col_item .col_item_02 {
  width: calc(100% - 165px);
}
.colmain .related_art .col_item .col_title {
  font-size: 2.4rem;
}

@media screen and (max-width: 900px) {
  .col_art {
    margin-top: 100px;
  }
  .col_art_header h1 {
    font-size: 2rem;
    line-height: 1.6;
    padding-bottom: 15px;
    margin-bottom: 20px;
  }
  .col_art_detail {
    margin-top: 10px;
    margin-bottom: 30px;
  }
  .col_art_thumb {
    height: 220px;
  }
  #toc_container {
    margin: 40px auto 0;
    padding: 15px;
  }
  #toc_container .toc_title {
    font-size: 2rem;
  }
  #toc_container .toc_title a::before {
    width: 13px;
  }
  #toc_container .toc_title .toc_toggle {
    font-size: 1.3rem;
  }
  #toc_container .toc_list {
    padding: 15px 15px 15px 30px;
    margin-top: 5px;
  }
  #toc_container .toc_list > li:not(:first-child) {
    margin-top: 15px;
  }
  #toc_container ul li {
    font-size: 1.6rem;
  }
  #toc_container ul li::before {
    left: -20px;
    top: 6px;
  }
  #toc_container ul ul {
    padding-left: 20px;
  }
  #toc_container ul ul li {
    padding-left: 17px;
  }
  .col_art_content h2 {
    font-size: 1.8rem;
    line-height: 1.6;
    padding-left: 12px;
    border-left: 4px solid #8ca4c3;
    margin: 60px 0 20px;
  }
  .col_art_content h3 {
    font-size: 1.8rem;
    padding: 0 0 8px;
    margin: 60px 0 20px;
  }
  .col_art_content h4 {
    font-size: 1.5rem;
    padding: 8px;
    margin: 60px 0 20px;
  }
  .col_art_content p {
    font-size: 1.5rem;
    line-height: 1.8;
    margin: 20px 0;
  }
  .col_art_content ul li {
    color: #756d6b;
    font-size: 1.5rem;
    margin: 15px 0;
  }
  .col_art_content ul li {
    color: #8ca4c3;
    font-size: 1.5rem;
    margin: 15px 0;
  }
  .col_art_content ul li::before {
    margin-right: 15px;
  }
  .col_art_content iframe {
    width: 100%;
    height: auto;
  }
  .colside {
    display: none;
  }
  .col_art_content .wp-block-quote {
    padding: 15px 20px 15px 50px;
  }
  .col_art_content .wp-block-quote::before {
    width: 25px;
    left: 15px;
  }
  .col_art_content .wp-block-quote p {
    font-size: 1.5rem;
    line-height: 1.8;
    margin-top: 0;
    margin-bottom: 10px;
  }
  .col_art_content .wp-block-quote a {
    font-size: 1.2rem;
  }
  .col_art_catch-heading {
    font-size: 1.6rem;
    padding: 6px 40px;
  }
  .col_art .btn_box {
    flex-direction: column;
  }
  .col_art .btn_box .btn_color {
    width: 90%;
    max-width: 324px;
    margin: 0 auto 20px;
  }
  .col_art .btn_box .btn_color.left_arrow {
    margin-left: auto;
  }
  .col_art .btn_color.left_arrow a {
    padding: 15px 20px 15px 60px;
    background-size: auto 5px;
  }
  .col_art .btn_color.w_full {
    width: 90%;
    max-width: 324px;
    margin-bottom: 60px;
  }
  .col_art_supervisor {
    padding: 25px;
    margin-bottom: 30px;
  }
  .col_art_supervisor_inner {
    align-items: center;
    gap: 30px;
    margin-bottom: 15px;
  }
  .col_art_supervisor_name {
    font-size: 2rem;
    color: #8ca4c3;
  }
  .col_art_supervisor_post {
    margin-bottom: 0;
  }
  .col_art_supervisor_comment {
    display: none;
  }
  .col_art_supervisor_comment.sp {
    display: block;
  }
  .colmain .col_art .col_item {
    padding: 20px 25px;
    margin-bottom: 30px;
  }
  .colmain .col_art .col_item .col_item_thumb {
    width: 110px;
    height: 100px;
  }
  .colmain .col_art .col_item .col_item_02 {
    width: calc(100% - 120px);
    margin-left: 10px;
  }
  .colmain .col_art .col_item .col_title {
    font-size: 1.8rem;
  }
  .colmain .col_art .col_excerpt_sp {
    font-size: 1.3rem;
  }
  .colmain .related_art .col_item .col_item_thumb {
    width: 130px;
  }
  .colmain .related_art .col_item .col_title {
    font-size: 1.8rem;
    min-height: 60px;
  }
  .col_art_banner img {
    margin-bottom: 60px;
  }
}