@charset "utf-8";

/*@header*/
.header-bg {
  width: 100%;
  position: relative;
  display: block;
}
.header-bg h1 {
  position: absolute;
  top: 55%;
  left: 50%;
  transform: translate(-50%,-50%);
  color: #fff;
  text-align: center;
  font-size: 44px;
  font-weight: normal;
  letter-spacing: 2px;
  line-height: 50px;
}
.header-bg span {
  font-size: 20px;
}

@keyframes flash {
  0%,100% {
    filter: drop-shadow(0 0 6px #ffb1d6)
  }
  50% {
    filter: none
  }
}

@media screen and (max-width:640px){
  .header-bg img {
    object-fit: cover;
    height: 250px;
    width: 100%;
  }
}

/*end@header*/

.cts-block {
  display: flex;
  padding: 0 150px;
}
@media screen and (max-width:1100px){
  .cts-block {
    padding: 0 100px;
  }
}
@media screen and (max-width:640px){
  .cts-block {
    padding: 0 50px;
  }
}
@media screen and (max-width:480px){
  .cts-block {
    padding: 0 10px;
  }
}
.archive-list {
  background-color: #fff;
  /* margin-left: 100px; */
  margin-right: 50px;
  margin-top: 150px;
  border-radius: 10px;
  overflow: hidden;
  border: solid 1.5px #f07fb4;
  width: 60%;
  height: fit-content;
  padding: 20px;
}
#sidebar {
  margin-top: 200px;
  width: 30%;
}
#sidebar h4 {
  font-size: 14px;
  margin-bottom: 20px;
}
#sidebar li {
  border-bottom: #333 solid 0.5px;
  font-size: 13px;
  padding: 5px 0;
}
#sidebar ul {
  margin-bottom: 100px;
}

.archive-box {
  /* display: flex; */
  margin: 40px;
  flex-wrap: wrap;
  width: calc(100% - 80px);
  box-sizing: border-box;
}
.blog-item {
  display: flex;
  width: 100%;
}
.blog-item img {
  margin-right: 20px;
}
.blog-list__list-item {
  width: 100%;
  padding-bottom: 50px;
}
.blog-item__title {
  font-size: 16px;
}
.blog-item__title span {
  font-size: 13px;
  color: #f07fb4;
}
.blog-item__read {
  font-size: 13px;
  text-align: justify;
}
.blog-item__date {
  font-size: 13px;
}
.pagination {
  margin-left: 40px;
  text-align: right;
  font-size: 14px;
  margin-bottom: 40px;
}

.page-numbers {
  display: inline-block;
  width: 30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  margin: 0 3px;
  border: 1px solid #ddd;
  border-radius: 3px;
  text-decoration: none;
  color: #333;
  transition: all 0.3s ease;
}

.page-numbers:hover {
  border-color: #f07fb4;
  color: #f07fb4;
  background-color: #fff5fa;
}

.page-numbers.current {
  border-color: #f07fb4;
  background-color: #f07fb4;
  color: #fff;
}

.page-numbers.prev,
.page-numbers.next {
  width: 30px;
  padding: 0;
}

/* 1110px以下で画像下にテキスト配置 */
@media screen and (max-width:1110px){
  .blog-item {
    flex-direction: column;
  }
  .blog-item__thumbnail {
    margin-right: 0;
    margin-bottom: 15px;
  }
}

@media screen and (max-width:640px){
  .cts-block {
    flex-direction: column;
  }

  .archive-list {
    margin-left: 20px;
    margin-right: 20px;
    margin-top: 100px;
    width: auto;
    padding: 15px;
  }

  #sidebar {
    margin: 30px 20px;
    margin-bottom: 0;
    width: calc(100% - 40px);
    max-width: 300px;
  }
  #sidebar h4 {
    font-size: 13px;
    margin-bottom: 15px;
  }
  #sidebar li {
    font-size: 12px;
  }
  #sidebar ul {
    margin-bottom: 50px;
  }
  #sidebar :nth-child(3),
  #sidebar :nth-child(4) {
    display: none;
  }

  .archive-box {
    display: flex;
    margin: 0;
    flex-wrap: wrap;
    width: 100%;
    box-sizing: border-box;
  }
  .blog-list__list-item {
    padding: 15px 0;
  }
  .pagination {
    width: 100%;
    text-align: right;
  }
  .blog-item__title {
    font-size: 14px;
  }
  .blog-item__title span {
    font-size: 12px;
  }
  .blog-item__read {
    font-size: 12px;
  }
  .blog-item__date {
    font-size: 13px;
  }
  .pagination {
    margin-left: 30px;
    text-align: right;
    font-size: 13px;
    margin-bottom: 30px;
  }
  
  .page-numbers {
    width: 26px;
    height: 26px;
    line-height: 26px;
    font-size: 12px;
    margin: 0 2px;
  }
  
  .page-numbers.prev,
  .page-numbers.next {
    width: 26px;
    padding: 0;
  }
}

/* アイキャッチ画像のトリミング */
.blog-item__thumbnail {
  width: 256px;
  height: 144px;
  overflow: hidden;
  display: block;
  position: relative;
  flex-shrink: 0;
  margin-right: 20px;
}

@media screen and (max-width:800px) {
  .blog-item {
    flex-direction: column;
  }
  .blog-item__thumbnail {
    width: 100%;
    height: auto;
    aspect-ratio: 256 / 144;
    margin-right: 0;
    margin-bottom: 15px;
  }
}

@media screen and (max-width:640px) {
  .blog-item__thumbnail {
    width: 100%;
    height: auto;
    aspect-ratio: 256 / 144;
    margin-bottom: 10px;
    max-width: 256px;
  }
}

.blog-item__thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  margin: 0;
  padding: 0;
}