/* structure
----------------------------------- */
#columnContainer {
  max-width: calc(1200px + 4rem);
  margin: 0 auto 10rem;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 300px;
  align-items: start;
  gap: 4rem;
}
@media (max-width: 767px) {
  #columnContainer {
    display: grid;
    grid-template-columns: 1fr;
  }
}
#columnContainer main {
  margin: 0;
  padding: 0;
}
#columnContainer aside section + section {
  margin-top: 3rem;
}

/* columnlist
----------------------------------- */
.columnlist {
  max-width: 1260px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 20px;
}
.columnlist * .date {
  font-size: 1.4rem;
  margin: 20px 0 0;
}
.columnlist .image {
  aspect-ratio: 640/427;
}
.columnlist .image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.columnlist .title {
  line-height: 1.4;
}
@media (max-width: 1024px) {
  .columnlist {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 767px) {
  .columnlist {
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
  }
  .columnlist a {
    display: grid;
    grid-template-columns: 30% 1fr;
    grid-template-areas: "image date" "image title";
    gap: 0 1rem;
    align-items: start;
  }
  .columnlist a .image {
    grid-area: image;
  }
  .columnlist a .date {
    grid-area: date;
    margin: 0;
  }
  .columnlist a .title {
    grid-area: title;
  }
}

/* ------------------------------------
// entry
------------------------------------ */
.entry_title {
  font-weight: 500;
  font-size: clamp(16px, 1.9vw, 24px);
}

.date {
  font-family: "Baloo 2", sans-serif;
}

.post_content {
  margin: 3rem 0;
}
.post_content p {
  font-size: clamp(14px, 1.4vw, 18px);
  line-height: 1.6;
}
.post_content p + p {
  margin-top: 2rem;
}

/* ------------------------------------
// .pager
------------------------------------ */
.pager {
  display: flex;
  justify-content: center;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  margin: 5rem auto 10rem;
}
.pager li a,
.pager li span {
  height: 3rem;
  aspect-ratio: 1/1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1394c1;
  color: #fff;
  font-size: 2rem;
}
.pager li a.prev, .pager li a.next, .pager li a.backindex,
.pager li span.prev,
.pager li span.next,
.pager li span.backindex {
  font-size: 1.6rem;
  aspect-ratio: auto;
  padding: 0 1rem;
}
.pager li a:hover,
.pager li span:hover {
  background: #1394c1;
}
.pager li span {
  background: #bbb;
}
.pager li span:hover {
  background: #bbb;
}

/* ------------------------------------
// aside
------------------------------------ */
aside h2 {
  background: #2778de;
  color: #FFF;
  padding: 1rem 1rem;
  margin-bottom: 1rem;
}
aside ul li {
  padding-bottom: 0.5rem;
  border-bottom: 1px dotted #b9b9b9;
}
aside ul li + li {
  margin-top: 0.5rem;
}
aside ul li a {
  padding: 1rem 1rem;
  display: block;
  transition: 0.3s;
}
aside ul li a:hover {
  opacity: 1;
  background: #e2edfa;
}
aside .recent a {
  display: grid;
  grid-template-columns: 1fr;
}
aside .recent a .date {
  color: #686969;
  font-family: "Baloo 2", sans-serif;
  font-size: clamp(1.2rem, 1.1vw, 1.4rem);
}