/* ==================================================
   サイドバー：PCのサイドバー幅調整
================================================== */

@media screen and (min-width: 960px) {
  .l-sidebar {
    width: 340px !important;
  }

  .l-main {
    width: calc(100% - 390px) !important;
  }
}


/* ==================================================
   サイドバー：しらべるIT用デザイン変数
================================================== */

#sidebar {
  --side-main: #4472c4;
  --side-main-dark: #2f5fb8;
  --side-bg: #edf4ff;
  --side-bg-hover: #edf4ff;
  --side-border: #bfd1ee;
  --side-border-light: #dbe8fb;
  --side-border-card: #c9d9f3;
  --side-text: #1f2933;
  --side-muted: #667085;
  --side-shadow: 0 2px 10px rgba(31, 79, 159, 0.06);
  --side-shadow-hover: 0 4px 12px rgba(31, 79, 159, 0.10);
  font-size: 14px;
}


/* ==================================================
   サイドバー：ウィジェット全体
================================================== */

#sidebar .c-widget {
  background: #ffffff !important;
  border: 1px solid var(--side-border-light) !important;
  border-radius: 16px !important;
  padding: 18px !important;
  box-shadow: var(--side-shadow) !important;
}

#sidebar .c-widget + .c-widget {
  margin-top: 24px !important;
}

#sidebar .widget_swell_ad_widget {
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
  padding: 0 !important;
  box-shadow: none !important;
}


/* ==================================================
   サイドバー：見出し
================================================== */

#sidebar .c-widget__title.-side,
#sidebar .c-widget__title {
  position: relative !important;
  margin: 0 0 14px !important;
  padding: 0 0 10px !important;
  background: transparent !important;
  color: var(--side-text) !important;
  border: none !important;
  border-bottom: 1px solid var(--side-border-light) !important;
  font-size: 16px !important;
  font-weight: 700 !important;
  line-height: 1.5 !important;
}

#sidebar .c-widget__title.-side::before,
#sidebar .c-widget__title::before {
  content: "" !important;
  position: absolute !important;
  left: 0 !important;
  bottom: -1px !important;
  width: 42% !important;
  height: 2px !important;
  background: var(--side-main) !important;
}

#sidebar .c-widget__title.-side::after,
#sidebar .c-widget__title::after {
  content: none !important;
}

#sidebar .widget_search .c-widget__title {
  display: block !important;
}

#sidebar .widget_search .wp-block-search__label {
  display: none !important;
}


/* ==================================================
   サイドバー：検索ボックス
================================================== */

#sidebar .widget_search {
  background: var(--side-bg) !important;
  border-color: var(--side-border) !important;
}

#sidebar .c-searchForm {
  position: relative !important;
  overflow: hidden !important;
  background: #ffffff !important;
  border: 1px solid var(--side-border) !important;
  border-radius: 999px !important;
  box-shadow: 0 3px 10px rgba(31, 79, 159, 0.08) !important;
}

#sidebar .c-searchForm__s {
  height: 44px !important;
  padding: 0 48px 0 16px !important;
  background: #ffffff !important;
  border: none !important;
  border-radius: 999px !important;
  color: var(--side-text) !important;
  font-size: 14px !important;
  line-height: 44px !important;
  box-shadow: none !important;
  outline: none !important;
}

#sidebar .c-searchForm__submit {
  top: 4px !important;
  right: 4px !important;
  width: 36px !important;
  height: 36px !important;
  background: var(--side-main) !important;
  border: none !important;
  border-radius: 50% !important;
}

#sidebar .c-searchForm__submit:hover {
  background: var(--side-main-dark) !important;
}


/* ==================================================
   サイドバー：五十音で探す
================================================== */

#sidebar .siraberu-sidebar-kana {
  box-sizing: border-box;
  padding: 18px;
  border: 1px solid var(--side-border);
  border-radius: 14px;
  background: #ffffff;
  box-shadow: var(--side-shadow);
}

#sidebar .siraberu-sidebar-kana__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

#sidebar .siraberu-sidebar-kana__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--side-main);
  color: #ffffff;
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
}

#sidebar .siraberu-sidebar-kana__head-text {
  flex: 1 1 auto;
  min-width: 0;
}

#sidebar .siraberu-sidebar-kana__title {
  position: relative;
  margin: 0 0 7px;
  padding: 0 0 8px;
  color: var(--side-text);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

#sidebar .siraberu-sidebar-kana__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 34px;
  height: 3px;
  border-radius: 999px;
  background: var(--side-main);
}

#sidebar .siraberu-sidebar-kana__desc {
  margin: 0;
  color: var(--side-text);
  font-size: 13px;
  line-height: 1.6;
}

#sidebar .siraberu-sidebar-kana__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  margin-top: 14px;
}

#sidebar .siraberu-sidebar-kana__list a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 10px;
  border: 1px solid var(--side-border-card);
  border-radius: 10px;
  background: #ffffff;
  color: var(--side-main);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(31, 79, 159, 0.05);
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

#sidebar .siraberu-sidebar-kana__list a:hover {
  background: var(--side-bg);
  border-color: var(--side-main);
  color: var(--side-main-dark);
  box-shadow: var(--side-shadow-hover);
  transform: translateY(-1px);
}

#sidebar .siraberu-sidebar-kana__wide {
  grid-column: span 2;
}


/* ==================================================
   サイドバー：共通ボタン
================================================== */

#sidebar .siraberu-sidebar-kana__more,
#sidebar .siraberu-sidebar-first__btn,
#sidebar .siraberu-sidebar-popular__more {
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(220px, 100%);
  margin-left: auto;
  margin-right: auto;
  padding: 0.72em 1em;
  border-radius: 999px;
  background: var(--side-main);
  color: #ffffff;
  text-align: center;
  text-decoration: none;
  font-size: 0.95em;
  font-weight: 700;
  line-height: 1.4;
  box-shadow: 0 8px 18px rgba(68, 114, 196, 0.18);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

#sidebar .siraberu-sidebar-kana__more:hover,
#sidebar .siraberu-sidebar-first__btn:hover,
#sidebar .siraberu-sidebar-popular__more:hover {
  color: #ffffff;
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(68, 114, 196, 0.24);
}

#sidebar .siraberu-sidebar-kana__more {
  margin-top: 16px;
}

#sidebar .siraberu-sidebar-first__btn {
  margin-top: 0;
}

#sidebar .siraberu-sidebar-popular__more {
  margin-top: 1.15em;
}


/* ==================================================
   サイドバー：IT用語カテゴリ・資格取得カテゴリ
================================================== */

#sidebar :is(.siraberu-sidebar-cat, .siraberu-sidebar-study-cat) {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 0;
  padding: 0;
}

#sidebar :is(.siraberu-sidebar-cat, .siraberu-sidebar-study-cat) a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 8px 11px;
  background: #ffffff;
  border: 1px solid var(--side-border-card);
  border-radius: 12px;
  color: var(--side-text);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  box-shadow: 0 1px 5px rgba(31, 79, 159, 0.05);
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

#sidebar :is(.siraberu-sidebar-cat, .siraberu-sidebar-study-cat) a:hover {
  background: var(--side-bg-hover);
  border-color: #9fb9e6;
  color: var(--side-main);
  box-shadow: var(--side-shadow-hover);
  transform: translateY(-1px);
}

#sidebar :is(.siraberu-sidebar-cat, .siraberu-sidebar-study-cat) img {
  display: block;
  width: 32px;
  height: 32px;
  max-width: 32px;
  object-fit: contain;
  flex: 0 0 32px;
  margin: 0;
}

#sidebar :is(.siraberu-sidebar-cat, .siraberu-sidebar-study-cat) span {
  display: block;
  color: inherit;
  line-height: 1.4;
  text-decoration: none;
}

#sidebar :is(.siraberu-sidebar-cat, .siraberu-sidebar-study-cat) a,
#sidebar :is(.siraberu-sidebar-cat, .siraberu-sidebar-study-cat) a span {
  text-decoration: none;
}


/* ==================================================
   サイドバー：よく読まれているIT用語
================================================== */

#sidebar .siraberu-sidebar-popular {
  margin-top: 0;
}

#sidebar .siraberu-sidebar-popular__list {
  counter-reset: sidebar-popular;
  list-style: none;
  padding: 0;
  margin: 0;
}

#sidebar .siraberu-sidebar-popular__list li {
  counter-increment: sidebar-popular;
  margin: 0;
  border-bottom: 1px solid var(--side-border-light);
}

#sidebar .siraberu-sidebar-popular__list a {
  display: flex;
  align-items: center;
  gap: 0.65em;
  padding: 0.85em 0.25em;
  color: var(--side-text);
  text-decoration: none;
  line-height: 1.4;
}

#sidebar .siraberu-sidebar-popular__list a::before {
  content: counter(sidebar-popular);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 1.8em;
  width: 1.8em;
  height: 1.8em;
  border-radius: 50%;
  background: var(--side-main);
  color: #ffffff;
  font-size: 0.85em;
  font-weight: 700;
}

#sidebar .siraberu-sidebar-popular__list a:hover {
  background: var(--side-bg);
  color: var(--side-main);
}


/* ==================================================
   サイドバー：はじめての方へ
================================================== */

#sidebar .siraberu-sidebar-first__box {
  display: block;
  padding: 1.1em 1.2em;
  border: 1px solid rgba(68, 114, 196, 0.25);
  border-radius: 14px;
  background: rgba(68, 114, 196, 0.06);
  color: inherit;
  text-decoration: none;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

#sidebar .siraberu-sidebar-first__box:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

#sidebar .siraberu-sidebar-first__label {
  display: block;
  margin-bottom: 0.45em;
  color: var(--side-main);
  font-weight: 700;
  line-height: 1.4;
}

#sidebar .siraberu-sidebar-first__text {
  display: block;
  margin-bottom: 0.9em;
  font-size: 0.92em;
  line-height: 1.6;
}


/* ==================================================
   サイドバー：記事リスト
================================================== */

#sidebar .p-postList__item {
  margin-bottom: 12px !important;
}

#sidebar .p-postList__link {
  display: flex !important;
  align-items: flex-start !important;
  gap: 10px !important;
  padding: 10px !important;
  background: #ffffff !important;
  border: 1px solid var(--side-border-light) !important;
  border-radius: 12px !important;
  color: var(--side-text) !important;
  text-decoration: none !important;
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease !important;
}

#sidebar .p-postList__link:hover {
  background: var(--side-bg) !important;
  border-color: var(--side-border) !important;
  box-shadow: var(--side-shadow-hover) !important;
  transform: translateY(-1px) !important;
}

#sidebar .p-postList__thumb {
  flex: 0 0 72px !important;
  width: 72px !important;
  box-shadow: none !important;
}

#sidebar .c-postThumb__figure,
#sidebar .c-postThumb__img {
  border-radius: 8px !important;
}

#sidebar .p-postList__body {
  flex: 1 1 auto !important;
  width: auto !important;
  padding: 0 !important;
}

#sidebar .p-postList__title {
  color: var(--side-text) !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  line-height: 1.55 !important;
}

#sidebar .p-postList__meta {
  margin-top: 4px !important;
  color: var(--side-muted) !important;
}

#sidebar .-w-ranking .p-postList__item::before {
  background: var(--side-main) !important;
  color: #ffffff !important;
  border-radius: 999px !important;
  box-shadow: 0 2px 6px rgba(31, 79, 159, 0.18) !important;
}


/* ==================================================
   サイドバー：プロフィール
================================================== */

#sidebar .p-profileBox {
  overflow: hidden !important;
  border: 1px solid var(--side-border-light) !important;
  border-radius: 16px !important;
  padding: 0 !important;
  background: #ffffff !important;
}

#sidebar .p-profileBox__bg {
  border-radius: 16px 16px 0 0 !important;
}

#sidebar .p-profileBox__iconImg {
  border: 4px solid #ffffff !important;
  box-shadow: 0 4px 14px rgba(31, 79, 159, 0.12) !important;
}

#sidebar .p-profileBox__name {
  color: var(--side-text) !important;
  font-weight: 700 !important;
}

#sidebar .p-profileBox__job {
  color: var(--side-main) !important;
  opacity: 1 !important;
}

#sidebar .p-profileBox__text {
  color: var(--side-text) !important;
  font-size: 13px !important;
  line-height: 1.8 !important;
}


/* ==================================================
   サイドバー：目次
================================================== */

#sidebar .p-toc {
  margin-top: 0 !important;
  padding: 16px !important;
  background: #ffffff !important;
  border: 1px solid var(--side-border-light) !important;
  border-radius: 16px !important;
  box-shadow: var(--side-shadow) !important;
}

#sidebar .p-toc__ttl {
  color: var(--side-main) !important;
  font-size: 15px !important;
  font-weight: 700 !important;
}

#sidebar .p-toc__list {
  margin-top: 12px !important;
}

#sidebar .p-toc__list li {
  margin-top: 7px !important;
  line-height: 1.6 !important;
}

#sidebar .p-toc__link {
  color: var(--side-text) !important;
  text-decoration: none !important;
}

#sidebar .p-toc__link:hover {
  color: var(--side-main) !important;
}


/* ==================================================
   サイドバー：標準カテゴリーウィジェット
================================================== */

#sidebar .widget_categories a,
#sidebar .wp-block-categories-list a {
  color: var(--side-text) !important;
  text-decoration: none !important;
}

#sidebar .widget_categories a:hover,
#sidebar .wp-block-categories-list a:hover {
  color: var(--side-main) !important;
  background: var(--side-bg) !important;
}


/* ==================================================
   サイドバー：SWELLのもっと見るボタン
================================================== */

#sidebar .is-style-more_btn {
  margin-top: 14px !important;
  margin-bottom: 0 !important;
  padding: 0 !important;
  text-align: center !important;
}

#sidebar .is-style-more_btn a {
  position: relative !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100% !important;
  min-width: 0 !important;
  margin: 0 auto !important;
  padding: 0.75em 2.8em 0.75em 1.4em !important;
  background: var(--side-bg) !important;
  border: 1px solid var(--side-border) !important;
  border-radius: 999px !important;
  box-shadow: none !important;
  color: var(--side-main) !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  line-height: 1.4 !important;
  text-decoration: none !important;
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease !important;
}

#sidebar .is-style-more_btn a::after {
  content: "→" !important;
  position: absolute !important;
  right: 1.2em !important;
  top: 50% !important;
  margin-left: 0 !important;
  font-family: inherit !important;
  font-size: 14px !important;
  line-height: 1 !important;
  transform: translateY(-50%) !important;
}

#sidebar .is-style-more_btn a:hover {
  background: #e4efff !important;
  border-color: #9fb9e6 !important;
  color: var(--side-main-dark) !important;
  transform: translateY(-1px) !important;
}


/* ==================================================
   サイドバー：スマホ調整
================================================== */

@media screen and (max-width: 959px) {
  #sidebar {
    margin-top: 3em !important;
  }

  #sidebar .c-widget {
    padding: 16px !important;
    border-radius: 14px !important;
  }

  #sidebar .c-widget + .c-widget {
    margin-top: 20px !important;
  }
}

@media screen and (max-width: 599px) {
  #sidebar .siraberu-sidebar-kana {
    padding: 16px;
    border-radius: 14px;
  }

  #sidebar .siraberu-sidebar-kana__icon {
    flex-basis: 40px;
    width: 40px;
    height: 40px;
    font-size: 22px;
  }

  #sidebar .siraberu-sidebar-kana__title {
    font-size: 16px;
  }

  #sidebar .siraberu-sidebar-kana__list {
    gap: 8px;
  }

  #sidebar .siraberu-sidebar-kana__list a {
    min-height: 40px;
    font-size: 14px;
  }

  #sidebar :is(.siraberu-sidebar-cat, .siraberu-sidebar-study-cat) a {
    min-height: 44px;
    padding: 8px 10px;
    font-size: 13px;
  }

  #sidebar :is(.siraberu-sidebar-cat, .siraberu-sidebar-study-cat) img {
    width: 30px;
    height: 30px;
    max-width: 30px;
    flex-basis: 30px;
  }

  #sidebar .p-postList__thumb {
    flex-basis: 68px !important;
    width: 68px !important;
  }
}