@charset "utf-8";

.l-content .m-btnLink--default {
  background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAMCAYAAABbayygAAAAaElEQVQoz2Ng8N6YAsT/gPg9EJvs37+fAR3///+fAcwgpBiuEKo4GZdiFIX4FGMoxKUYq0Ko4oVA/B+IHwAxCy4Tk6AmfgBiU1xuxFCEzddYFaGHI05FcIWEFCErFABiQSDmwqYIphAA+pL2iDIuo7wAAAAASUVORK5CYII=);
  background-repeat: no-repeat;
  background-position: 10px center;
}

/* .main */
.l-content .main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #e7ecf3;
  margin-bottom: 25px;
}
.l-content .main .txt_wrapper {
  padding-right: 30px;
  padding-left: 20px;
}
.l-content .main h1 > span {
  display: block;
}
.l-content .main .txt_wrapper h1 .sub {
  font-size: 18px;
  font-weight: bold;
  color: #0169c6;
}
.l-content .main .txt_wrapper h1 .ttl {
  font-size: 34px;
  font-weight: bold;
  color: #000;
}
.l-content .main .txt_wrapper .desc {
  font-size: 14px;
  font-weight: bold;
  line-height: 22px;
  color: #000;
}

/* Pick UP記事！ */
.l-content .pickup {
  background: #fff;
  margin-bottom: 20px;
  padding: 0 25px 15px;
  border: 1px solid #a7a7a7;
  border-radius: 2px;
  box-sizing: border-box;
}
.l-content .pickup .heading {
  position: relative;
  display: flex;
  justify-content: space-between;
  margin: 0 0 10px;
  padding-top: 10px;
}
.l-content .pickup .heading::before {
  position: absolute;
  top: 0;
  left: 0;
  content: "";
  background: url(/tech_selection/injection/img/icon_pickup.png) no-repeat;
  width: 28px;
  height: 38px;
}
.l-content .pickup .heading > .ttl {
  padding-left: 40px;
  font-size: 26px;
  font-weight: bold;
  line-height: 35px;
}
.l-content .pickup .heading > .ttl span {
  color: #0169c6;
}
.l-content .pickup .pickup_list {
  display: flex;
  justify-content: space-between;
}
.l-content .pickup .pickup_list > li {
  display: flex;
  justify-content: space-between;
  width: 565px;
}
.l-content .pickup .pickup_list > li .ttl {
  display: flex;
  align-items: center;
  margin-bottom: 5px;
  font-size: 16px;
  font-weight: bold;
}
.l-content .pickup .pickup_list > li .txt_wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 20px;
}
.l-content .pickup .pickup_list > li .txt_wrapper a.continue {
  position: absolute;
  bottom: 0;
  right: 0;
  font-size: 12px;
  font-weight: bold;
  line-height: 1;
  text-decoration: none;
}
.l-content .pickup .pickup_list > li .pic a:hover {
  opacity: 0.75;
}
.l-content .pickup .pickup_list > li p.new::after {
  content: "NEW";
  display: inline-block;
  background: #d00;
  width: 38px;
  height: 19px;
  font-size: 12px;
  font-weight: bold;
  color: #fff;
  margin-left: 5px;
  text-align: center;
}

/* 2カラムのとき（Pick UP記事！／みんなの体験談で解決） */
.l-content .box_wrapper {
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px;
}
.l-content .box_wrapper .pickup .pickup_list {
  min-height: 150px;
  width: 540px;
}
.l-content .box_wrapper .pickup {
  margin-bottom: 0;
}

/* みんなの体験談で解決 */
.l-content .box_wrapper > .experience {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: #e7ecf3;
  width: 592px;
  padding-bottom: 15px;
  border: 1px solid #a7a7a7;
  border-radius: 2px;
  box-sizing: border-box;
}
.l-content .box_wrapper > .experience > .heading {
  position: relative;
  width: 540px;
  margin: 0 auto 0;
  padding-top: 10px;
}
.l-content .box_wrapper > .experience > .heading::before {
  position: absolute;
  top: 12px;
  left: 0;
  content: "";
  background: url(/tech_selection/injection/img/icon_experience.png) no-repeat;
  width: 39px;
  height: 36px;
}
.l-content .box_wrapper > .experience > .heading > .ttl {
  padding-left: 50px;
  font-size: 26px;
  font-weight: bold;
}
.l-content .box_wrapper > .experience > .heading > .sub {
  margin-bottom: 7px;
  font-size: 16px;
  font-weight: bold;
}
.l-content .box_wrapper > .experience > .heading > .ttl span,
.l-content .box_wrapper > .experience > .heading > .sub span {
  color: #2076c8;
}
.l-content .box_wrapper > .experience > .content {
  display: flex;
  justify-content: space-between;
  background: #fff;
  width: 540px;
  margin: 0 auto 10px;
  padding: 10px 15px;
  box-sizing: border-box;
}
.l-content .box_wrapper > .experience > .content::before {
  content: "";
  background: url(/tech_selection/injection/img/icon_customer_experience.png) no-repeat;
  width: 54px;
  height: 54px;
}
.l-content .box_wrapper > .experience > .content > .txt_wrapper {
  position: relative;
  width: 436px;
  margin-left: 10px;
}
.l-content .box_wrapper > .experience > .content > .txt_wrapper .date {
  font-size: 13px;
}
.l-content .box_wrapper > .experience > .content > .txt_wrapper .ttl {
  margin: 0 0 1px;
  font-size: 14px;
  font-weight: bold;
  line-height: 21px;
  color: #0167c3;
}
.l-content .box_wrapper > .experience > .content > .txt_wrapper .detail {
  height: 3em;
  font-size: 12px;
  line-height: 18px;
}
.l-content .box_wrapper > .experience > .content > .txt_wrapper a.continue {
  position: absolute;
  right: 0;
  bottom: 0;
  font-size: 12px;
  font-weight: bold;
  line-height: 1;
  text-decoration: none;
}

/* アンカー */
.l-content .ancNav {
  display: flex;
  flex-wrap: wrap;
  margin: 0 auto 25px;
}
.l-content .ancNav > li a.m-btn--down {
  margin: 0 auto;
}
/* アンカー（基礎知識） */
.l-content .ancNav.ancNav_basic > li {
  margin-bottom: 14px;
}
.l-content .ancNav.ancNav_basic > li:not(:nth-child(5n)) {
  margin-right: 14px;
}
.l-content .ancNav.ancNav_basic > li:nth-last-child(-n+5) {
  margin-bottom: 0;
}
.l-content .ancNav.ancNav_basic > li a.m-btn--down {
  width: 168px;
}
/* アンカー（テクニカルデータ） */
.l-content .ancNav.ancNav_tech > li:not(:nth-child(4n)) {
  margin-right: 20px;
}
.l-content .ancNav.ancNav_tech > li a.m-btn--down {
  width: 209px;
}


/* あなたにおすすめの記事 */
.l-content .article_ranking {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}
.l-content .article_ranking .article_wrapper {
  width: 896px;
}
.l-content .article_ranking .article_wrapper .article_inner:not(:last-child) {
  margin-bottom: 20px;
}
.l-content .article_ranking .article_wrapper .article_inner h2 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: url(/tech_selection/injection/img/icon_book.png) 0 center no-repeat;
  margin-bottom: 10px;
  padding-left: 55px;
  font-size: 26px;
  font-weight: bold;
}
.l-content .article_ranking .article_wrapper .article_inner h2 .m-btnLink--default {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 200px;
  height: 35px;
  padding-left: 15px;
}
.l-content .article_ranking .article_wrapper .article_inner .article_list {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  width: 896px;
}
.l-content .article_ranking .article_wrapper .article_inner .article_list > li:not(:nth-last-child(-n+2)) {
  margin-bottom: 15px;
}
.l-content .article_ranking .article_wrapper .article_inner .article_list > li a {
  display: flex;
  background: #f5f5f5;
  width: 440px;
  border-radius: 2px;
  text-decoration: none;
  box-sizing: border-box;
}
.l-content .article_ranking .article_wrapper .article_inner .article_list > li a > .txt_wrapper {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 100%;
  padding: 14px 15px 15px;
  box-sizing: border-box;
}
.l-content .article_ranking .article_wrapper .article_inner .article_list > li a > .txt_wrapper .ttl {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: bold;
  text-decoration: underline;
}
.l-content .article_ranking .article_wrapper .article_inner .article_list > li a > .txt_wrapper .desc {
  display: block;
  color: #333;
  font-size: 12px;
}
.l-content .article_ranking .article_wrapper .article_inner .category_list {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  width: 896px;
}
.l-content .article_ranking .article_wrapper .article_inner .category_list > li:not(:nth-last-child(-n+2)) {
  margin-bottom: 15px;
}
.l-content .article_ranking .article_wrapper .article_inner .category_list > li {
  width: 440px;
  border-radius: 2px;
  box-sizing: border-box;
  border: 1px solid #a7a7a7;
}
.l-content .article_ranking .article_wrapper .article_inner .category_list > li > .ttl {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #f5f5f5;
  height: 50px;
  padding-right: 10px;
  padding-left: 15px;
  font-size: 16px;
  font-weight: bold;
}
.l-content .article_ranking .article_wrapper .article_inner .category_list > li > .ttl .m-btnLink--default {
  width: 170px;
}
.l-content .article_ranking .article_wrapper .article_inner .category_list > li > .inner_list {
  min-height: 335px;
  padding: 10px 17px 10px;
}
.l-content .article_ranking .article_wrapper .article_inner .category_list > li > .inner_list > li {
  display: flex;
  align-items: center;
}
.l-content .article_ranking .article_wrapper .article_inner .category_list > li > .inner_list > li:not(:last-child) {
  margin-bottom: 5px;
}
.l-content .article_ranking .article_wrapper .article_inner .category_list > li > .inner_list > li a {
  display: flex;
  align-items: center;
  padding: 3px 0;
  font-size: 14px;
  font-weight: bold;
}
.l-content .article_ranking .article_wrapper .article_inner .category_list > li > .inner_list > li.new::after {
  content: "NEW";
  display: block;
  background: #d00;
  height: 19px;
  padding: 0 5px;
  font-size: 12px;
  font-weight: bold;
  color: #fff;
  margin-left: 5px;
  text-align: center;
}

/* 人気記事ランキング */
.l-content .article_ranking .ranking {
  width: 288px;
  margin-top: 49px;
  border: 1px solid #0169c6;
  box-sizing: border-box;
}
.l-content .article_ranking .ranking {
  width: 288px;
  border: 1px solid #0169c6;
  box-sizing: border-box;
}
.l-content .article_ranking .ranking .heading {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #0169c6;
  height: 80px;
  padding: 0 15px;
  font-weight: bold;
  color: #fff;
}
.l-content .article_ranking .ranking .heading > .sub {
  font-size: 14px;
}
.l-content .article_ranking .ranking .heading > .sub > span {
  color: #fc0;
}
.l-content .article_ranking .ranking .heading > .ttl {
  background: url(/tech_selection/injection/img/icon_ranking.png) 0 center no-repeat;
  padding-left: 25px;
  font-size: 21px;
}
.l-content .article_ranking .ranking .ranking_list {
  padding: 15px 10px 17px;
  box-sizing: border-box;
}
.l-content .article_ranking .ranking .ranking_list > li:not(:last-child) {
  margin-bottom: 15px;
}
.l-content .article_ranking .ranking .ranking_list > li a {
  display: flex;
  justify-content: space-between;
  text-decoration: none;
}
.l-content .article_ranking .ranking .ranking_list > li a > .num {
  display: flex;
  justify-content: center;
  align-items: center;
  background: #fc0;
  width: 28px;
  height: 27px;
  font-size: 14px;
  font-weight: bold;
  color: #333;
}
.l-content .article_ranking .ranking .ranking_list > li a > .name {
  display: block;
  width: 230px;
  padding-top: 2px;
  font-size: 14px;
  font-weight: bold;
  line-height: 20px;
  text-decoration: underline;
}

/* 参考動画 */
.l-content .article_wrapper .article_inner.article_inner_video h2 {
  background: url(/tech_selection/injection/img/icon_video.png) 0 center no-repeat;
  padding-left: 58px;
}
.l-content .article_wrapper .article_inner.article_inner_video .video_list {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  width: 896px;
}
.l-content .article_wrapper .article_inner.article_inner_video .video_list::after {
  content: "";
  display: block;
  width: 280px;
  height: 0;
}
.l-content .article_wrapper .article_inner.article_inner_video .video_list > li {
  width: 280px;
  text-align: center;
}
.l-content .article_wrapper .article_inner.article_inner_video .video_list > li:not(:nth-last-child(-n+3)) {
  margin-bottom: 10px;
}
.l-content .article_wrapper .article_inner.article_inner_video .video_list > li .txt_link {
  display: block;
  font-size: 14px;
}

/* 参考商品 */
.l-content .related_items h2 {
  display: flex;
  align-items: center;
  background: #0098d8;
  height: 40px;
  margin-bottom: 5px;
  padding: 0 15px;
  font-size: 15px;
  font-weight: bold;
  color: #fff;
}
.l-content .related_items > .notes {
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: bold;
  color: #999;
  text-align: right;
}
.l-content .related_items > .item_list {
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px;
}
.l-content .related_items > .item_list > li a {
  display: block;
  width: 187px;
  text-decoration: none;
}
.l-content .related_items > .item_list > li a:hover > img {
  opacity: 0.75;
}
.l-content .related_items > .item_list > li a > span {
  display: block;
}
.l-content .related_items > .item_list > li a > span.name {
  margin-bottom: 10px;
  font-weight: bold;
  text-decoration: underline;
}
.l-content .related_items > .item_list > li a > span.maker,
.l-content .related_items > .item_list > li a > span.desc {
  color: #333;
}
.l-content .related_items > .item_list > li a > span.shipping {
  display: inline-block;
  background: #e6e6e6;
  margin-top: 5px;
  padding: 4px 10px;
  color: #333;
}
.l-content .related_items > .item_list > li a > span.star {
  background: url(/tech_selection/injection/img/sprite_stars.png) no-repeat;
  text-indent: 100%;
  white-space: nowrap;
  overflow: hidden;
  width: 109px;
  height: 19px;
  margin-top: 8px;
}
.l-content .related_items > .item_list > li a > span.star.star00 {
  background-position: -110px 0px;
}
.l-content .related_items > .item_list > li a > span.star.star30 {
  background-position: -44px 0px;
}
.l-content .related_items > .item_list > li a > span.star.star35 {
  background-position: -22px -19px;
}
.l-content .related_items > .item_list > li a > span.star.star40 {
  background-position: -22px 0px;
}
.l-content .related_items > .item_list > li a > span.star.star45 {
  background-position: 0px -19px;
}
.l-content .related_items > .item_list > li a > span.star.star50 {
  background-position: 0px 0px;
}
.l-content .related_items > .m-btnLink--strong {
  width: 430px;
}



/* レスポンシブ */
/* 幅950px以下 */
@media (max-width: 950px) {

  .l-content .main {
    display: block;
    padding: 15px;
  }
  .l-content .main .txt_wrapper {
    padding: 0 0 10px;
  }
  .l-content .main img {
    display: block;
  }

  /* 1カラムのとき（Pick UP記事！） */
  .l-content .box_pickup {
    margin: 0 10px 20px;
  }
  .l-content .box_pickup .pickup .pickup_list > li {
    width: 48%;
  }

  /* 2カラムのとき（Pick UP記事！／みんなの体験談で解決） */
  .l-content .box_wrapper {
    margin: 0 10px 20px;
  }
  .l-content .box_wrapper > .pickup,
  .l-content .box_wrapper > .experience {
    width: 49%;
  }
  .l-content .box_wrapper > .experience {
    margin-left: 2%;
  }
  .l-content .box_wrapper > .pickup .heading,
  .l-content .box_wrapper > .experience .heading {
    width: 96%;
  }
  .l-content .box_wrapper > .experience > .heading > .ttl {
    margin-bottom: 10px;
  }
  .l-content .box_wrapper > .experience > .heading > .sub {
    margin-bottom: 10px;
  }
  .l-content .box_wrapper > .pickup > .content,
  .l-content .box_wrapper > .experience > .content {
    width: 96%;
  }
  .l-content .box_wrapper > .experience > .content::before {
    width: 100px;
  }
  .l-content .box_wrapper > .pickup .content .answer_area {
    display: block;
  }
  .l-content .box_wrapper > .pickup .content .answer_area .txt_wrapper {
    margin-bottom: 10px;
  }
  .l-content .box_wrapper > .experience > .content > .txt_wrapper {
    width: 100%;
  }
  .l-content .box_wrapper > .pickup .content .answer_area .txt_wrapper .answer {
    margin-bottom: 10px;
  }
  .l-content .box_wrapper > .pickup > .content .answer_area .txt_wrapper a.continue,
  .l-content .box_wrapper > .experience > .content > .txt_wrapper a.continue {
    display: block;
    position: static;
    text-align: right;
  }
  .l-content .box_wrapper > .experience > .content > .txt_wrapper .ttl {
    margin-bottom: 10px;
  }
  .l-content .box_wrapper > .experience > .content > .txt_wrapper .detail {
    height: auto;
    margin-bottom: 10px;
  }
  .l-content .box_wrapper > .pickup .content .answer_area .m-thumbnail__movie img {
    width: 100%;
  }
  .l-content .box_wrapper > .pickup .content .answer_area .m-thumbnail__image {
    text-align: center;
  }
  .l-content .box_wrapper .pickup .pickup_list {
    width: 100%;
  }
  .l-content .box_wrapper .m-btnLinkWin--strong {
    width: 96% !important;
  }

  /* アンカー */
  .l-content .ancNav > li {
    width: 150px;
    margin: 0 5px 10px;
  }
  .l-content .ancNav.ancNav_basic > li:not(:nth-child(5n)),
  .l-content .ancNav.ancNav_tech > li:not(:nth-child(4n)) {
    margin-right: 5px;
  }
  .l-content .ancNav.ancNav_basic > li:nth-last-child(-n+5) {
    margin-bottom: 10px;
  }
  .l-content .ancNav.ancNav_basic > li a.m-btn--down,
  .l-content .ancNav.ancNav_tech > li a.m-btn--down {
    width: 100%;
  }
  .l-content .ancNav.ancNav_tech > li a.m-btn--down {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 3.5em;
    padding-left: 20px;
  }
  

  /* あなたにおすすめの記事 */
  .l-content .article_ranking {
    display: block;
    margin: 0 10px 20px;
  }
  .l-content .article_ranking .article_wrapper {
    width: 100%;
  }
  .l-content .article_ranking .article_wrapper .article_inner .article_list {
    width: 100%;
    flex-wrap: wrap;
    justify-content:
    flex-start;
  }
  .l-content .article_ranking .article_wrapper .article_inner .article_list > li {
    margin: 0 0 15px 0;
  }
  .l-content .article_ranking .article_wrapper .article_inner .article_list > li:not(:nth-child(3n)) {
    margin-right: 2%;
  }
  .l-content .article_ranking .article_wrapper .article_inner .article_list > li:nth-last-child(-n+2) {
    margin-bottom: 0;
  }
  .l-content .article_ranking .article_wrapper .article_inner .article_list > li:nth-child(2n):nth-last-child(2) {
    /* 記事が奇数個のときの最後の偶数番目指定（margin-bottomがないとグレーが下に広がるため） */
    margin-bottom: 15px;
  }
  .l-content .article_ranking .article_wrapper .article_inner .article_list > li,
  .l-content .article_ranking .article_wrapper .article_inner .article_list::after {
    width: 32%;
  }
  .l-content .article_ranking .article_wrapper .article_inner .article_list > li a {
    width: 100%;
    height: 100%;
  }
  .l-content .article_ranking .article_wrapper .article_inner .article_list > li a > img {
    width: 100%;
  }
  .l-content .article_ranking .article_wrapper .article_inner .article_list > li a > .txt_wrapper {
    width: 100%;
  }
  .l-content .article_ranking .article_wrapper .article_inner .article_list > li a > .txt_wrapper .ttl br {
    display: none;
  }
  .l-content .article_ranking .right_wrapper {
    margin: 30px auto;
  }

  /* 人気記事ランキング */
  .l-content .article_ranking .ranking {
    margin: 30px auto;
  }

  /* 参考動画 */
  .l-content .article_wrapper .article_inner.article_inner_video .video_list {
    width: 100%;
  }
  .l-content .article_wrapper .article_inner.article_inner_video .video_list > li {
    width: 48%;
  }

  /* 参考商品 */
  .l-content .related_items {
    margin: 0 10px 20px;
  }
  .l-content .related_items > .item_list {
    flex-wrap: wrap;
    margin: 0 0 30px;
  }
  .l-content .related_items > .item_list > li {
    width: 28%;
    margin: 0 2%;
  }
  .l-content .related_items > .item_list > li a {
    width: 100%;
  }

  /* 基本情報・テクニカルデータ */
  .l-content .article_ranking .article_wrapper .article_inner .category_list {
    width: 100%;
  }
  .l-content .article_ranking .article_wrapper .article_inner .category_list > li {
    width: 49%;
  }
  .l-content .article_ranking .article_wrapper .article_inner .category_list > li > .ttl {
    font-size: 14px;
  }
  .l-content .article_ranking .article_wrapper .article_inner .category_list > li > .ttl .m-btnLink--default {
    width: 150px;
  }
  .l-content .article_ranking .article_wrapper .article_inner .category_list > li > .inner_list {
    min-height: auto;
  }


}/* 幅950px以下 */

/* 幅640px以下 */
@media (max-width: 640px) {

  .l-content .main .txt_wrapper h1 .ttl {
    font-size: 28px;
  }
  .l-content .main .txt_wrapper .desc {
    font-size: 13px;
  }

  /* Pick UP記事！ */
  .l-content .box_pickup .pickup .pickup_list {
    display: block;
  }
  .l-content .box_pickup .pickup .pickup_list > li {
    width: 100%;
    margin-bottom: 15px;
  }
  .l-content .box_pickup .pickup .pickup_list > li .txt_wrapper {
    width: 100%;
  }
  .l-content .box_pickup .pickup .pickup_list > li .txt_wrapper .desc {
    padding-bottom: 20px;
  }
  .l-content .box_pickup .pickup .pickup_list > li .txt_wrapper a.continue {
    position: static;
    clear: both;
    float: right;
  }

  /* 2カラムのとき（Pick UP記事！／みんなの体験談で解決） */
  .l-content .box_wrapper {
    display: block;
    
  }
  .l-content .box_wrapper > .pickup,
  .l-content .box_wrapper > .experience {
    width: 100%;
    margin-bottom: 2%;
  }
  .l-content .box_wrapper > .experience {
    margin-left: 0;
  }

  /* あなたにおすすめの記事 */
  .l-content .article_ranking .article_wrapper .article_inner h2 {
    height: auto;
    padding-top: 4px;
    background-position: 0 center;
    font-size: 21px;
    min-height: 39px;
    line-height: 28px;
  }
  .l-content .article_ranking .article_wrapper .article_inner h2 > .question,
  .l-content .article_ranking .article_wrapper .article_inner h2 > .answer {
    font-size: 24px;
  }
  .l-content .article_ranking .article_wrapper .article_inner h2 .m-btnLink--default {
    width: 150px;
  }
  .l-content .article_ranking .article_wrapper .article_inner .article_list > li {
    width: 48%;
  }
  .l-content .article_ranking .article_wrapper .article_inner .article_list > li:not(:nth-child(3n)) {
    margin-right: 0;
  }
  .l-content .article_ranking .article_wrapper .article_inner .article_list > li:not(:nth-child(2n)) {
    margin-right: 4%;
  }

  /* 参考動画 */
  .l-content .article_wrapper .article_inner.article_inner_video .video_list {
    display: block;
  }
  .l-content .article_wrapper .article_inner.article_inner_video .video_list > li {
    width: 100%;
  }

  /* 参考商品 */
  .l-content .related_items > .item_list > li {
    width: 46%;
  }
  .l-content .related_items > .item_list > li a img {
    width: 150px;
  }
  .l-content .related_items > .m-btnLink--strong {
    width: 90%;
  }

  /* 基礎知識・テクニカルデータ */
  .l-content .article_ranking .article_wrapper .article_inner .category_list > li {
    width: 100%;
  }
  .l-content .article_ranking .article_wrapper .article_inner .category_list > li:not(:last-child) {
    margin-bottom: 15px;
  }


}/* 幅640px以下 */