/*basic_knowledge*/
.l-content .ancNav_basic_ttl {
  display: flex;
  align-items: center;
  font-size: 18px;
  margin-bottom: 9px;
}
.l-content .ancNav_basic_ttl::before {
  content: "";
  display: block;
  background: #0169c6;
  width: 12px;
  height: 12px;
  margin-right: 7px;
}
.l-content .ancNav_basic {
  display: flex;
  flex-wrap: wrap;
  margin: 0 auto 25px;
}
.l-content .ancNav_basic > li {
  margin-bottom: 14px;
}
.l-content .ancNav_basic > li:not(:nth-child(5n)) {
  margin-right: 14px;
}
.l-content .ancNav_basic > li:nth-last-child(-n+5) {
  margin-bottom: 0;
}
.l-content .ancNav_basic > li a.m-btn--down {
  width: 168px;
  margin: 0 auto;
}
.l-content .article_area_basic h2 {
  background: url(/tech_selection/machining/img/icon_book.png) 0 center no-repeat;
  height: 39px;
  margin-bottom: 10px;
  padding-left: 55px;
  font-size: 26px;
  font-weight: bold;
}
.l-content .article_area_basic .article_area_list {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.l-content .article_area_basic .article_area_list > li.category_wrapper_col2 {
  display: flex;
  flex-direction: column;
}
.l-content .article_area_basic .article_area_list > li.category_wrapper_col2 > .category_wrapper_basic {
  flex-grow: 1;
}
.l-content .article_area_basic .category_wrapper_basic {
  width: 438px;
  margin-bottom: 20px;
  border-radius: 2px;
  box-sizing: border-box;
  border: 1px solid #a7a7a7;
}
.l-content .article_area_basic .category_wrapper_basic h3 {
  display: flex;
  justify-content: space-between;
  align-items: center;
	height: 50px;
  margin-bottom: 10px;
  padding-right: 15px;
  padding-left: 17px;
  font-size: 26px;
  font-weight: bold;
	background: #e7ecf3;
}
.l-content .article_area_basic .category_wrapper_basic h3 > .m-btnLink--default {
  width: 170px;
  margin-bottom: 2px;
}
.l-content .article_area_basic .category_wrapper_basic .article_inner .category_list {
  display: block;
  width: auto;
}
.l-content .article_area_basic .category_wrapper_basic .article_inner .category_list > li {
  width: auto;
  border: none;
}
.l-content .article_area_basic .category_wrapper_basic .article_inner .category_list > li:not(:nth-last-child(-n+2)) {
  margin-bottom: 15px;
}
.l-content .article_area_basic .category_wrapper_basic .article_inner .category_list > li.mt70 {
  margin-top: 70px;
}
.l-content .article_area_basic .category_wrapper_basic .article_inner .category_list > li > .ttl {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  height: 35px;
  font-size: 16px;
  font-weight: bold;
  margin-right: 17px;
  margin-left: 17px;
  margin-bottom: 5px;
  padding-left: 10px;
  border-left: solid 8px #a9a9a9;
}
.l-content .article_area_basic .category_wrapper_basic .article_inner .category_list > li > .ttl > .m-btnLink--default {
  width: 170px;
}
.l-content .article_area_basic .category_wrapper_basic .article_inner .category_list > li:nth-child(-n+2) > .ttl {
  margin-top: 4px;
}
.l-content .article_area_basic .category_wrapper_basic .article_inner .category_list > li > .inner_list {
  height: 340px;
  padding: 0 17px 10px;
}
.l-content .article_area_basic .category_wrapper_basic .article_inner .category_list > li > .inner_list > li {
  display: flex;
  align-items: center;
}
.l-content .article_area_basic .category_wrapper_basic .article_inner .category_list > li > .inner_list > li a {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  height: auto;
  padding: 6px 0;
  font-size: 14px;
  font-weight: bold;
  text-decoration: none;
}
.l-content .article_area_basic .category_wrapper_basic .article_inner .category_list > li > .inner_list > li a > .txt {
  display: inline-block;
  margin-right: 5px;
  text-decoration: underline;
}
.l-content .article_area_basic .category_wrapper_basic .article_inner .category_list > li > .inner_list > li a.new::after {
  content: "NEW";
  display: flex;
  justify-content: center;
  align-items: center;
  background: #d00;
  width: 38px;
  height: 19px;
  font-size: 12px;
  font-weight: bold;
  color: #fff;
}


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

.l-content .ancNav_basic {
  width: 540px;
  margin: 0 0 25px;
}
.l-content .ancNav_basic > li:not(:nth-child(5n)) {
  margin-right: 0;
}
.l-content .ancNav_basic > li:not(:nth-child(3n)) {
  margin-right: 14px;
}
.l-content .ancNav_basic > li:nth-last-child(-n+5) {
  margin-bottom: 14px;
}

/* 基礎知識 */
.l-content .article_area_basic .category_wrapper_basic {
  margin-bottom: 2vw;
}
.l-content .article_area_basic .article_area_list > li,
.l-content .article_area_basic .category_wrapper_basic {
  width: 49%;
}
.l-content .article_area_basic .article_area_list > li > .category_wrapper_basic {
  width: 100%;
}
.l-content .article_area_basic .category_wrapper_basic h3 {
  flex-direction: column;
  align-items: flex-start;
  height: auto;
  padding: 5px 15px;
}
.l-content .article_area_basic .category_wrapper_basic h3 > .m-btnLink--default {
  width: 135px;
}
.l-content .article_area_basic .category_wrapper_basic .article_inner .category_list {
  display: block;
  width: auto;
}
.l-content .article_area_basic .category_wrapper_basic .article_inner .category_list > li {
  width: auto;
}
.l-content .article_area_basic .category_wrapper_basic .article_inner .category_list > li.mt70 {
  margin-top: 0;
}
.l-content .article_area_basic .category_wrapper_basic .article_inner .category_list > li > .ttl {
  flex-direction: column;
  align-items: flex-start;
  height: auto;
  margin-right: 10px;
  margin-left: 10px;
}
.l-content .article_area_basic .category_wrapper_basic .article_inner .category_list > li > .ttl > .m-btnLink--default {
  width: 135px;
  margin-top: 3px;
}
.l-content .article_area_basic .category_wrapper_basic .article_inner .category_list > li > .inner_list {
  height: auto;
}


}

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

.l-content .ancNav_basic {
  width: 100%;
}

.l-content .ancNav_basic > li a.m-btn--down {
  width: 150px;
}
.l-content .ancNav_basic > li {
  margin: 0 5px 10px !important;
}

.l-content .article_area_basic h2 {
  height: auto;
  padding-top: 4px;
  background-position: 0 0;
  font-size: 21px;
  min-height: 39px;
  line-height: 28px;
}
.l-content .article_area_basic .category_wrapper_basic h3 {
  font-size: 18px;
}


}