.l-blog {
  margin-top: 6rem;
  padding: 6rem 0 12rem;
  border-top: 1px solid var(--color-black);
}

.l-blog_wrapper {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 9.6rem;
}

.l-blog_category {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  position: -webkit-sticky;
  position: sticky;
  top: 19.6rem;
  -ms-flex-negative: 0;
      flex-shrink: 0;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  width: 24.8rem;
  height: -webkit-max-content;
  height: -moz-max-content;
  height: max-content;
  gap: 2rem;
}

.l-blog_category_item_link {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 1rem;
  -webkit-transition: color var(--duration) var(--easing);
  transition: color var(--duration) var(--easing);
}

.l-blog_category_item_link_txt {
  font-size: 1.4rem;
  line-height: 1.3;
  letter-spacing: .04em;
}

.l-blog_category_item_link_icn {
  -ms-flex-negative: 0;
      flex-shrink: 0;
  width: 1.2rem;
  height: 1.2rem;
  margin-top: .3rem;
  stroke: var(--color-black);
}

.l-blog_category_item_link_icn g {
  -webkit-transition: stroke var(--duration) var(--easing);
  transition: stroke var(--duration) var(--easing);
}

.l-blog_form {
  display: none;
}

.l-blog_form_ttl {
  display: block;
  font-size: 1.4rem;
  line-height: 1.3;
  letter-spacing: .04em;
}

.l-blog_form_select {
  display: block;
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  width: 100%;
  margin-top: 1rem;
  padding: 1.6rem 4rem 1.2rem 2rem;
  border: 1px solid var(--color-black);
  background-color: #fff;
  color: var(--color-black);
  font-size: 1.4rem;
  line-height: 1.3;
}

.l-blog_form_select_wrapper {
  position: relative;
}

.l-blog_form_select_wrapper::after {
  display: block;
  position: absolute;
  top: calc(50% + .1rem);
  right: 2rem;
  width: 1.7rem;
  height: 1rem;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  background: url(/img/blog/form_arrow.svg);
  background-size: contain;
  background-repeat: no-repeat;
  content: "";
}

.l-blog_item_wrapper {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  -webkit-box-flex: 99;
      -ms-flex-positive: 99;
          flex-grow: 99;
  gap: 6rem 4rem;
}

.l-blog_item_link {
  display: block;
}

.l-blog_item_thumb {
  display: grid;
  place-items: center;
  aspect-ratio: 405/215;
  width: 100%;
  height: auto;
  overflow: hidden;
}

.l-blog_item_thumb_img {
  display: block;
  aspect-ratio: 405/215;
  width: 100%;
  height: auto;
  -o-object-fit: contain;
     object-fit: contain;
  -o-object-position: center;
     object-position: center;
  scale: 1.05;
  opacity: 0;
  -webkit-transition: opacity var(--duration-slow) var(--easing),scale var(--duration-slow) var(--easing);
  transition: opacity var(--duration-slow) var(--easing),scale var(--duration-slow) var(--easing);
}

.l-blog_item_thumb_img.is-active {
  scale: 1;
  opacity: 1;
}

.l-blog_item_tag_wrapper {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  margin-top: 2rem;
  gap: 1.6rem;
}

.l-blog_item_tag_cat {
  display: inline-block;
  padding: .3rem .2rem;
  border: 1px solid var(--color-black);
}

.l-blog_item_pin {
  width: 1.4rem;
  height: 1.4rem;
}

.l-blog_item_pin path {
  -webkit-transition: fill var(--duration) var(--easing);
  transition: fill var(--duration) var(--easing);
}

.l-blog_item_txt {
  margin-top: 2rem;
  -webkit-transition: color var(--duration) var(--easing);
  transition: color var(--duration) var(--easing);
}

.l-blog_item_txt_wrapper {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 0 1rem;
}

.l-blog_pager {
  margin-top: 6rem;
}

@media screen and (max-width: 48em) {
  .l-blog {
    margin-top: 4rem;
    padding: 4rem 0 6rem;
  }
  .l-blog_wrapper {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    gap: 4rem;
  }
  .l-blog_category {
    display: none;
  }
  .l-blog_form {
    display: block;
  }
  .l-blog_item_wrapper {
    gap: 4rem 2rem;
  }
  .l-blog_item_tag_wrapper {
    display: block;
    margin-top: 1rem;
  }
  .l-blog_item_tag_time {
    display: block;
  }
  .l-blog_item_tag_cat {
    margin-top: 1rem;
  }
  .l-blog_item_txt {
    margin-top: 1rem;
  }
  .l-blog_pager {
    margin-top: 4rem;
  }
}

@media (hover: hover) {
  .l-blog_category_item_link:hover {
    color: var(--color-red);
  }
  .l-blog_category_item_link:hover .l-blog_category_item_link_icn g {
    stroke: var(--color-red);
  }
  .l-blog_item_link:hover .l-blog_item_thumb_img {
    scale: 1.05;
  }
  .l-blog_item_link:hover .l-blog_item_pin path {
    fill: var(--color-red);
  }
  .l-blog_item_link:hover .l-blog_item_txt {
    color: var(--color-red);
  }
}