* {
  box-sizing: border-box;
}

/* カテゴリー別設定 */
:root {
  --category-color-: 153, 153, 153;

}

.category-basic {
  --category-color-: 248, 214, 207;
}

.category-advanced {
  --category-color-: 208, 222, 252;
}

.category-edit {
  --category-color-: 187, 225, 231;
}

.category-use {
  --category-color-: 208, 232, 218;
}

.category-view {
  --category-color-: 249, 243, 199;
}

.category-spec {
  --category-color-: 252, 228, 202;
}


/* サイドメニュー */
.sidemenu-reference {
  position: sticky;
  top: 110px;
  overflow: auto;
  /* background-color: #fff; */
  /* text-align: center; */
}

p.sidemenu-title {
  font-size: 23px;
  font-weight: bold;
  padding: 10px 20px;
}

.sidemenu-reference ul {
  font-size: 18px;
  font-weight: bold;
  line-height: 1.5em;
  /* background-color:initial; */
  margin: 0 10px 5px;
  padding: 0px;
  border-bottom: 0;
}

.common-sidemenu ul li.common-sidemenu-name {
  background-color: rgb(var(--image-color));
  color: #fff;
  font-size: 14px;
  display: block;
  margin: 0;
  padding: 0;
}

.common-sidemenu ul li.common-sidemenu-name img {
  display: block;
  margin: auto;
  max-width: 100%;
  margin: 0;
}

.sidemenu-reference ul a {
  position: relative;
}

.sidemenu-reference ul a::after {
  position: absolute;
  left: 20px;
  content: '';
  width: 90%;
  height: 3px;
  background: rgb(var(--category-color-));
  bottom: -1px;
  transform: scale(0, 1);
  transform-origin: left top;
  transition: transform 0.3s;

}

.sidemenu-reference ul a:hover::after {
  transform: scale(1, 1);
}

.common-sidemenu ul li a:hover,
.common-sidemenu-support ul li a:hover {
  text-decoration: none;
  color: #000;
  background-color: initial;
}

p.sidemenu-banner {
    margin: 10px;
}
p.sidemenu-banner a:hover{
  opacity: .7;
}

p.sidemenu-banner  img {
  display: block;
  margin: auto;
  max-width: 100%;
}

.mainbody {
  /* height: max-content; */
  align-items: stretch;
  height: 100%;
}


/* 見出し */
.pdf-reference-top h2 {
  font-weight: bold;
  font-size: 28px;
  text-align: left;
  margin: 0 10px;
  padding: 20px 10px 5px;
  display: block;
  line-height: 1.4em;
  position: relative;
  border: 0px;
}

.pdf-reference-top h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 7px;
  background: -webkit-repeating-linear-gradient(-45deg, rgb(var(--category-color-)), rgb(var(--category-color-)) 2px, #fff 2px, #fff 4px);
  background: repeating-linear-gradient(-45deg, rgb(var(--category-color-)), rgb(var(--category-color-)) 2px, #fff 2px, #fff 4px);
}

/* スライド */
.carousel {
  width: 100%;
  height: auto;
  height: 310px;
  display: flex;
  /* max-width: 900px; */
  /* max-height: 550px; */
  overflow: hidden;
  position: relative;
  margin-top: 0;
  margin-bottom: 30px;
}

.carousel-item {
  display: none;
  visibility: hidden;
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: flex-end;
  -webkit-align-items: center;
  -webkit-justify-content: flex-end;
  position: relative;
  background-color: #fff;
  flex-shrink: 0;
  -webkit-flex-shrink: 0;
  position: absolute;
  z-index: 0;
  transform: translateX(25%);
  opacity: 0;
  transition: 0.6s all ease-in-out;
}

/* スライド画像エリア */
.carousel-item-image {
  position: relative;
  width: 70%;
  /* min-width: 300px; */
  /* display: flex; */
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.carousel-item-image img {
  max-width: 100%;
  height: auto;
  transition: all .3s ease-out;
}

/* スライド画像用のラベル */
.carousel-item-image p {
  position: absolute;
  top: 0;
  left: 0;
  margin: 0;
  color: white;
  /* background: rgb(241, 167, 40); */
  background: #f60;
  font-size: 18px;
  line-height: 1;
  padding: 7px 10px;
  opacity: .8;
}

/* リンク */
.carousel-item-image a {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ホバー時の挙動 */
.carousel-item-image:hover img {
  transform: scale(1.05);
  transition: all .3s ease-out;
}

/* スライドテキストエリア */
.carousel-item-text {
  width: 50%;
  min-width: calc(100%-300px);
  padding: 20px 40px;
}

/* カテゴリー */
p.carousel-item-category {
  position: relative;
  padding: .4rem .7rem calc(.5rem);
  background: rgb(var(--category-color-));
  font-size: 18px;
  width: 150px;
  margin-bottom: 20px;
}

.carousel-item-category:before {
  position: absolute;
  top: -7px;
  left: -7px;
  width: 100%;
  height: 100%;
  content: '';
  border: 2px solid #000;
}

/* 記事タイトルなど */
p.carousel-item-title {
  font-weight: bold;
  font-size: 20px;

}

/* アクティブクラス */
.active {
  z-index: 1;
  visibility: visible;
}

.active.carousel-item {
  opacity: 1;
  transition: 0.6s all ease-in-out;
  visibility: visible;
  transform: translateX(0);
}

/* タイトル表示 */
.carousel-title {
  display: none;
}


/* スライド用ボタン */
.carousel__nav {
  position: absolute;
  right: 0;
  z-index: 2;
  background-color: rgba(00, 00, 00, 0.7);
  top: 0;
}

.carousel__icon {
  display: inline-block;
  vertical-align: middle;
  width: 20px;
  fill: #fff;
}

.carousel__arrow {
  cursor: pointer;
  display: inline-block;
  padding: 11px 15px;
  position: relative;
}

.carousel__arrow:nth-child(1):after {
  content: '';
  right: -3px;
  position: absolute;
  width: 1px;
  background-color: #b0b0b0;
  height: 14px;
  top: 50%;
  margin-top: -7px;
}


/* 記事カードレイアウト */
ul.reference-grid {
  display: grid;
  margin: 20px 10px 50px;
  padding: 0;
  list-style: none;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

ul.reference-grid li.reference-grid-item {
  margin: 0;
  border-radius: 10px;
  background: #fafafa;
  border: 2px solid #fafafa;
  padding: 15px;
  text-align: center;
  position: relative;
}

.reference-grid-item img {
  max-width: 100%;
  height: auto;
}

.reference-grid-item p {
  text-align: left;
  font-size: 14px;
  padding: 5px 10px 0;
  color: #000;
}

.reference-grid-item a {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

ul.reference-grid li.reference-grid-item:hover {
  border: 2px solid rgb(var(--category-color-));
  transition: border .3s ease-out;
}

.default-img {
  height: auto;
  position: relative;
}

.default-img img {
  width: 100%;
  height: auto;
}

.default-img>p {
  position: absolute;
  width: 100%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  padding: 10px;
  margin: 0;
  font-size: 16px;
  color: #333;
  line-height: 1.4;
  font-weight: bold;
}

/* 記事読み込みボタン */
p.more-btn {
  background: #eee;
  /* background-color: rgb(var(--category-color-)); */
  border: none;
  cursor: pointer;
  outline: none;
  padding: 0;
  font-weight: bold;
  line-height: 32px;
  width: 200px;
  border-radius: 16px;
  text-align: center;
  margin: 0 auto 50px;
  transition: 0.5s;
}

.more-btn:hover {
  cursor: pointer;
  background: rgb(var(--category-color-));
  transition: 0.5s;
}

/* オリジナル書籍エリア　flex */
.common-book-flex {
  display: flex;
  width: 100%;
  margin: 0 0 30px;
  justify-content: space-around;
}

.common-book-flex h3 {
  margin: 30px;
}

.common-book-flex-image img {
  max-width: 200px;
  border: 1px solid #c1c1c1;
  box-shadow: 3px 3px 3px rgba(0, 0, 0, 0.4);
}

/* オリジナル書籍エリア　grid */
.reference-book-grid {
  display: grid;
  margin: 20px 10px 50px;
  padding: 0;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.reference-book-grid-item img {
  max-width: 150px;
  border: 1px solid #c1c1c1;
  box-shadow: 3px 3px 3px rgba(0, 0, 0, 0.4);
}

.reference-book-grid-item p {
  text-align: center;
}

/* 参考資料エリア */
.common-dl-tableType-line dl {
  margin: 20px 0;
}

.common-dl-tableType-line ul {
  margin: 0;
}

hr.hr-reference {
  height: 0;
  margin: 0;
  padding: 0;
  border: 0;
  border-top: 3px dashed rgb(var(--category-color-));
  margin: 0 40px;
}


/* レスポンシブ対応 */
@media only screen and (max-width: 1200px) {
  p.carousel-item-title {
    display: none;
  }

}

@media only screen and (max-width: 1000px) {

  p.carousel-item-category {
    display: none;
  }

  .carousel-item {
    display: block;
  }

  .carousel {
    height: 450px;
  }

  .carousel-item-image {
    width: 100%;
  }

  .carousel-item-text {
    width: 100%;
    padding: 20px;
  }
}

@media only screen and (max-width: 640px) {

  .carousel {
    height: 35vh;
  }

  /* タイトル表示  */
  .carousel-title {
    z-index: 2;
    display: block;
    width: 100%;
    padding: 10px 0;
    position: absolute;
    left: 0;
    bottom: 0;
    background: rgba(00, 00, 00, 0.6);
  }

  .carousel-title p {
    text-align: center;
    color: #fff;
    letter-spacing: 0.2em;
    font-size: 23px;
  }

  .carousel-item-text {
    display: none;
  }

  .carousel-item-image img {
    height: 100%;
    width: 100%;
  }

  /* サイドメニュー */
.sidemenu-reference {
  top: 0;
}
  .common-sidemenu ul li a {
    font-size: 16px;
  }

  /* 見出し */
  .pdf-reference-top h2 {
    font-size: 23px;
  }


  .index-banner-area {
    margin-bottom: 50px;
  }

  .common-book-flex {
    display: block;
    margin-bottom: 70px;

  }

  .common-book-flex-image p {
    text-align: center;
  }

 }

@media only screen and (max-width: 555px) {

  .default-img p {
    font-size: 1.3em;
    padding: 10px 20px;
  }
}