@media screen and (max-width: 767px) {
  html {
      overflow-x: hidden;
  }
}

body {
  margin: 0;
}

figure {
  margin: 0;
}

p,
h2,
h3 {
  margin: 0;
  padding: 0;
  color: #333;
}

ul,
li {
  list-style: none;
}

button {
  background-color: #fff;
  cursor: pointer;
}

a {
  color: #333;
  text-decoration: none;
}

#a-main {
  margin-top: 55px;
  margin-bottom: 70px;
}
@media screen and (max-width: 767px) {
  #a-main {
    margin-top: 36px;
    margin-bottom: 30px;
  }
}

#a-main img {
  width: 100%;
}

#topics_article_container {
  position: relative;
  margin-top: 55px;
}

@media screen and (max-width: 767px) {
  #topics_article_container {
      margin-top: 36px;
  }
}

.topics_article_main {
  max-width: 940px;
  margin: 0 auto;
}

.c-large_headline {
  font-family: "Georgia", serif;
  font-size: 48px;
  font-weight: bold;
  line-height: 1.25;
  margin-bottom: 8px;
  padding: 0 20px;
}

@media screen and (max-width: 767px) {
  .c-large_headline {
      font-size: 29px;
      line-height: 1.15;
  }
}

.column > p {
  font-size: 20px;
  font-family: "Verdana", sans-serif;
  line-height: 1.5;
  padding: 0 20px;
}

@media screen and (max-width: 767px) {
  .column > p {
      font-size: 13px;
  }
}

.topics_article_date {
  font-size: 20px;
  font-family: "Verdana", sans-serif;
  margin-bottom: 10px;
}

@media screen and (max-width: 767px) {
  .topics_article_date {
      font-size: 15px!important;
      margin-bottom: 7px;
  }
}

.topics_article_taggroup_list {
  display: flex;
  flex-wrap: wrap;
  padding: 0;
  margin: 0 -5px 7px;
  padding: 0 20px;
}

@media screen and (max-width: 767px) {
  .topics_article_taggroup_list {
      margin: 0 0 9px -5px;
  }
}

.topics_article_taggroup_list ul li {
  font-size: 13px;
  margin: 5px;
  background-color: #F5F5F5;
  border: 1px solid #D9D9D9;
  font-family: "Verdana", sans-serif;
  padding: 0;
  border-radius: 0;
}

.topics_article_taggroup_list ul li > a {
  padding: 0 6px;
  display: block;
  line-height: 1.9;
}

@media screen and (max-width: 767px) {
  .topics_article_taggroup_list ul li > a {
      padding: 0 5px;
  }
}

.topics_article_taggroup_list ul li > a:hover {
  opacity: 0.4;
  transition: opacity 0.4s ease;
}

.topics_article_sharelink {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  text-align: right;
  font-size: 15px;
  font-family: "Verdana", sans-serif;
  margin-bottom: 33px;
}

@media screen and (max-width: 767px) {
  .topics_article_sharelink {
      font-size: 12px;
      margin-bottom: 19px;
  }
}

.topics_article_sharelink_pdf {
  display: flex;
  align-items: center;
  position: relative;
  margin-right: 40px;
}

@media screen and (max-width: 767px) {
  .topics_article_sharelink_pdf {
      margin-right: 20px;
      padding: 0 30px 0 11px;
      border: 1px solid #D9D9D9;
  }
}

.topics_article_sharelink_pdf:hover {
  opacity: 0.4;
  transition: opacity 0.4s ease;
  cursor: pointer;
}

.topics_article_sharelink_pdf::before {
  content: "";
  display: inline-block;
  width: 30px;
  height: 30px;
  margin-right: 8px;
  background: url(/_userdata/img/ico_pdf.png) no-repeat;
  background-size: cover;
}

@media screen and (max-width: 767px) {
  .topics_article_sharelink_pdf::before {
      position: absolute;
      margin-right: 0;
      width: 17px;
      height: 17px;
      top: 3px;
      right: 9px;
  }
}

.topics_article_sharelink_pdf::after {
  content: '';
  position: absolute;
  top: 47%;
  right: -17px;
  width: 8px;
  height: 8px;
  border-right: 2px solid #000;
  border-bottom: 2px solid #000;
  -webkit-transform: rotate(45deg) translateY(-50%);
  transform: rotate(-45deg) translateY(-50%);
}

@media screen and (max-width: 767px) {
  .topics_article_sharelink_pdf::after {
      content: none;
  }
}

.topics_article_img {
  margin-bottom: 56px;
  padding: 0 20px;
}

@media screen and (max-width: 767px) {
  .topics_article_img {
      margin-bottom: 13px;
  }
}

.c-small_headline {
  font-size: 28px;
  font-weight: bold;
  font-family: "Georgia", serif;
  clear: both;
  line-height: 1.25;
  margin-top: 30px;
  margin-bottom: 15px;
  padding: 0 20px;
}

@media screen and (max-width: 767px) {
  .c-small_headline {
      font-size: 17px;
      margin-top: 39px;
      margin-bottom: 13px;
      line-height: 1.1;
  }
}

.topics_article_list {
margin: 60px auto 80px;
max-width: 900px;
}

@media screen and (max-width: 767px) {
  .topics_article_list {
      margin: 36px auto 54px;
      }
}

.topics_article_item {
  position: relative;
  padding: 34px 50px 34px 70px;
  background-color: #F5F5F5;
}

@media screen and (max-width: 767px) {
  .topics_article_item {
      padding: 23px 20px 23px 37px;
  }
}

.topics_article_item:nth-child(2n) {
  background-color: #EDEDED;
}

.topics_article_item_number {
  position: absolute;
  top: 25px;
  left: 43px;
  font-size: 26px;
  font-weight: bold;
  font-family: "Georgia", serif;
}

@media screen and (max-width: 767px) {
  .topics_article_item_number {
      top: 12px;
      left: 18px;
      font-size: 19px;
  }
}

.topics_article_item_title {
  font-size: 24px;
  font-weight: bold;
  font-family: "Georgia", serif;
  line-height: 1.5;
  margin-bottom: 6px;
}

@media screen and (max-width: 767px) {
  .topics_article_item_title {
  font-size: 15px;
  line-height: 1.25;
  }
}

.topics_article_item_text {
  font-size: 16px;
  font-family: "Verdana", sans-serif;
  line-height: 1.5;
}

@media screen and (max-width: 767px) {
  .topics_article_item_text {
      font-size: 13px;
  }
}

.topics_article_video {
  position: relative;
  margin-bottom: 56px;
  padding: 0 20px;
}

@media screen and (max-width: 767px) {
  .topics_article_video {
      margin-bottom: 54px;
  }
}

.topics_article_video a::after {
  content: "";
  position: absolute;
  width: 80px;
  height: 80px;
  background: url(/_userdata/img/ico_video.png) no-repeat;
  background-size: 100% auto;
  bottom: 30px;
  right: 30px;
}

@media screen and (max-width: 767px) {
  .topics_article_video a::after {
      width: 40px;
      height: 40px;
      bottom: 11px;
      right: 27px;
  }
}

.topics_article_video a:hover {
  opacity: 0.4;
  transition: opacity 0.4s ease;
}

.topics_article_floatR40 {
  width: 40%;
  float: right;
  margin: 0 0 10px 15px;
  padding-right: 20px;
}

.topics_article_floatL40 {
  width: 40%;
  float: left;
  margin: 0 15px 10px 0;
  padding-left: 20px;
}

@media screen and (max-width: 767px) {
  .topics_article_floatR40,
  .topics_article_floatL40 {
    width: 100%;
    float: none;
    margin: 0 0 10px 0;
    padding: 0 20px;
  }
}

.topics_article_column {
  display: flex;
  padding: 0 20px;
}

@media screen and (max-width: 767px) {
  .topics_article_column {
    flex-wrap: wrap;
  }
}

.topics_article_column p {
font-size: 20px;
font-family: "Verdana", sans-serif;
line-height: 1.5;
}

@media screen and (max-width: 767px) {
  .topics_article_column p {
      font-size: 13px;
      }
}

.topics_article_column_left {
  width: 48%;
  margin-right: 4%;
}

@media screen and (max-width: 767px) {
  .topics_article_column_left {
    width: 100%;
    margin-right: 0;
    margin-bottom: 20px;
  }
}

.topics_article_column_right {
  width: 48%;
}

@media screen and (max-width: 767px) {
  .topics_article_column_right {
    width: 100%;
  }
}

.topics_article_related {
  margin-top: 109px;
  padding: 0 20px;
}

@media screen and (max-width: 767px) {
  .topics_article_related {
      margin-top: 38px;
  }
}

.topics_article_related_title {
  font-size: 30px;
  font-weight: bold;
  font-family: "Georgia", serif;
  text-align: center;
  margin-bottom: 24px;
}

@media screen and (max-width: 767px) {
  .topics_article_related_title {
      font-size: 19px;
      margin-bottom: 32px;
  }
}

.topics_article_related_list {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  margin-top: -20px;
  margin-left: -20px;
}

.topics_article_related_item {
  display: flex;
  flex-direction: column;
  width: calc(33.33% - 20px);
  margin-top: 20px;
  margin-left: 20px;
  position: relative;
}

@media screen and (max-width: 767px) {
  .topics_article_related_item {
      width: calc(50% - 20px);
      margin-top: 7px;
      margin-left: 20px;
      margin-bottom: 20px;
  }
}

.topics_article_related_item a {
  display: block;
}

.topics_article_related_item_img {
  margin-bottom: 8px;
  position: relative;
}

@media screen and (max-width: 767px) {
  .topics_article_related_item_img {
      margin-bottom: 5px;
  }
}

.topics_article_related_item p {
  font-size: 18px;
  font-weight: bold;
  font-family: "Georgia", serif;
  line-height: 1.25;
}

@media screen and (max-width: 767px) {
  .topics_article_related_item p {
      font-size: 14px;
  }
}

.topics_article_related_item_taggroup {
  padding: 16px 0 18px;
}

.topics_article_related_item_taggroup_list {
  display: flex;
  flex-wrap: wrap;
  margin: -5px;
  padding: 0;
}

.topics_article_related_item_taggroup_item {
  font-size: 14px;
  margin: 4px;
  background-color: #F5F5F5;
  border: 1px solid #D9D9D9;
  font-family: "Verdana", sans-serif;
}

@media screen and (max-width: 767px) {
  .topics_article_related_item_taggroup_item {
      font-size: 9px;
  }
}

.topics_article_related_item_taggroup_item > a {
  padding: 0 13px;
  display: block;
  line-height: 1.75;
}

@media screen and (max-width: 767px) {
  .topics_article_related_item_taggroup_item > a {
      padding: 0 5px;
  }
}


.article-btm-sns {
  display: flex;
  justify-content: end;
  align-items: center;
  padding-right: 20px;
  margin-bottom: 23px;
}

.article-btm-sns_text {
  font-size: 15px;
  margin-right: 16px;
}

@media screen and (max-width: 767px) {
  .article-btm-sns_text {
      font-size: 12px;
  }
}

.article-btm-sns a {
  display: flex;
  align-items: center;
  margin-right: 18px;
}

.article-btm-sns a:last-child {
  margin-right: 0;
}

.article-btm-sns img {
  width: 5vw!important;
  height: 5vw;
  max-width: 30px;
  max-height: 30px;
}

@media(min-width:1140px) {
  .article-btm-sns {
      display: none;
  }
}

@media(min-width:1140px) {
  .article-fix-sns img[src$='.svg'] {
      width: 72px;
      height: 72px;
  }

  .article-fix-sns {
      display: flex;
  }

  .article-fix-sns-inner {
      max-width: 30px;
  }

  .article-fix-sns.is-fixed {
      position: fixed;
      top: 50%;
      left: calc(50% - 508px);
      transform: translate(-100%, -50%);
  }

  .article-fix-sns.is-bottom {
      position: absolute;
      bottom: 0;
      left: calc(50% - 508px);
      transform: translate(-100%, 0);
  }

  .article-fix-sns.is-top {
      position: absolute;
      top: 0;
      left: calc(50% - 508px);
      transform: translate(-100%, 0);
  }

  .article-fix-sns-inner a {
      display: block;
  }

  .article-fix-sns-inner a + a{
      margin-top: 35px;
  }

  .article-btm-sns {
       text-align: center;
  }
  .article-btm-sns a {
      display: inline-block;
  }
  .article-btm-sns a:not(:last-child){
      border-right: 1px solid #C8C8C8;
  }
  .article-btm-sns a:not(:first-child){
      border-left: 1px solid #fff;
  }
  .article-btm-sns img {
      width:60px; height: 60px;
  }
}

.slick-dotted.slick-slider {
  margin-bottom: 10px;
}

@media screen and (max-width: 767px) {
  .slick-dotted.slick-slider {
      margin-bottom: 0;
  }
}

.slider_nav {
  position: relative;
  display: flex;
  justify-content: end;
  align-items: center;
  margin-right: 43px;
}

@media screen and (max-width: 767px) {
  .slider_nav {
    justify-content: center;
    margin-right: 0;
  }
}

.slick-next{
  position: relative;
  top: 11px;
}

@media screen and (max-width: 767px) {
  .slick-next{
    right: 0;
    top: 12px;
  }
}

.slick-next::before{
  content: '';
  position: absolute;
  top: 8px;
  right: 0;
  width: 15px;
  height: 15px;
  border-right: 3px solid #444;
  border-bottom: 3px solid #444;
  -webkit-transform: rotate(45deg) translateY(-50%);
  transform: rotate(-45deg) translateY(-50%);
}

@media screen and (max-width: 767px) {
  .slick-next::before{
      width: 8px;
      height: 8px;
      border-right: 2px solid #444;
      border-bottom: 2px solid #444;
  }
}

.slick-prev{
  position: relative;
  top: 9px;
}

@media screen and (max-width: 767px) {
  .slick-prev{
      left: 0;
      top: 10px;
  }
}

.slick-prev::before{
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 15px;
  height: 15px;
  border-right: 3px solid #444;
  border-bottom: 3px solid #444;
  -webkit-transform: rotate(45deg) translateY(-50%);
  transform: rotate(135deg) translateY(-50%);
}

@media screen and (max-width: 767px) {
  .slick-prev::before{
      top: 4px;
      left: 0;
      width: 8px;
      height: 8px;
      border-right: 2px solid #444;
      border-bottom: 2px solid #444;
  }
}

.slick-dots{
  position: relative;
  bottom: 2px;
}

@media screen and (max-width: 767px) {
  .slick-dots{
  }
}

.slick-dots li {
  width: 9px;
  height: 9px;
  margin: 0 6px;
}

@media screen and (max-width: 767px) {
  .slick-dots li {
      width: 5px;
      height: 5px;
      margin: 0 3px;
  }
}

.slick-dots li button {
  width: 9px;
  height: 9px;
}

@media screen and (max-width: 767px) {
  .slick-dots li button {
      width: 5px;
      height: 5px;
  }
}

.slick-dots li button::before{
  content: '';
  background: url(/_userdata/img/slider_dot.png) no-repeat;
  background-size: cover;
  width: 9px;
  height: 9px;
}

@media screen and (max-width: 767px) {
  .slick-dots li button::before{
      width: 5px;
      height: 5px;
  }
}

#topics_videoArea .videoSNS {
display:none;
}

#topics_videoArea .topics_videoBox {
padding: 100px 20px 0;
}
@media screen and (max-width: 1139px) {
#topics_videoArea .videoSNS_sp {
display: none!important;
}
}

.js_play .topics_label {
  display: none;
}

.topics_label {
  position: absolute;
  right: 0;
  padding: 1px 10px 1px 11px;
  font-size: 13px;
  font-family: "Verdana", sans-serif;
  color: #fff;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1;
}

@media screen and (max-width: 767px) {
  .topics_label {
      position: relative;
      padding: 1px 9px 1px 10px;
      font-size: 11px;
      margin-right: 100%;
      margin-bottom: 5px;
      white-space: nowrap;
      display: inline-block;
  }
}

.topics_label::after {
  content: "";
  display: inline-block;
  position: relative;
  width: 12px;
  height: 10px;
  margin-left: 8px;
  background: url(/_userdata/img/ico_blank_white.png) no-repeat;
  background-size: cover;
  top: 1px;
}

.js_play .topics_article_related_item_img picture::before {
  content: "";
  position: absolute;
  width: 40px;
  height: 40px;
  background: url(../img/ico_video.svg) no-repeat;
  background-size: 100% auto;
  bottom: 10px;
  right: 10px;
}

@media screen and (max-width: 767px) {
  .js_play .topics_article_related_item_img picture::before {
      width: 7vw;
      height: 7vw;
      bottom: auto;
      right: 5px;
      top: 11vw
  }
}




