/* =========================================================
 * IDB 3 Column & Ads
 * PC: 左220px / 中央可変 / 右300px
 * ========================================================= */

.idb3c-enabled .content-in.wrap {
  width: calc(100% - 32px);
  max-width: 1400px;
}

@media screen and (min-width: 1200px) {
  .idb3c-enabled .content-in {
    display: grid !important;
    grid-template-columns: 220px minmax(0, 1fr) 300px;
    grid-template-areas:
      "left top right"
      "left main right"
      "left bottom right";
    column-gap: 20px;
    row-gap: 18px;
    align-items: start;
  }

  .idb3c-enabled #idb-left-sidebar {
    grid-area: left;
  }

  .idb3c-enabled #main {
    grid-area: main;
    width: auto !important;
    min-width: 0;
    margin: 0 !important;
  }

  .idb3c-enabled #sidebar {
    grid-area: right;
    width: auto !important;
    min-width: 0;
    margin: 0 !important;
  }

  .idb3c-enabled .idb-main-ad-top {
    grid-area: top;
  }

  .idb3c-enabled .idb-main-ad-bottom {
    grid-area: bottom;
  }
}

/* タブレット・小さめPCでは通常の2カラムへ戻す */
@media screen and (min-width: 900px) and (max-width: 1199px) {
  .idb3c-enabled .content-in {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) 280px;
    grid-template-areas:
      "top right"
      "main right"
      "bottom right";
    column-gap: 20px;
    row-gap: 18px;
    align-items: start;
  }

  .idb3c-enabled #idb-left-sidebar {
    display: none;
  }

  .idb3c-enabled #main {
    grid-area: main;
    width: auto !important;
    min-width: 0;
    margin: 0 !important;
  }

  .idb3c-enabled #sidebar {
    grid-area: right;
    width: auto !important;
    min-width: 0;
    margin: 0 !important;
  }

  .idb3c-enabled .idb-main-ad-top {
    grid-area: top;
  }

  .idb3c-enabled .idb-main-ad-bottom {
    grid-area: bottom;
  }
}

/* スマートフォンは1カラム。左側の補助ナビは非表示。 */
@media screen and (max-width: 899px) {
  .idb3c-enabled .content-in {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "top"
      "main"
      "bottom"
      "right";
    row-gap: 14px;
  }

  .idb3c-enabled #idb-left-sidebar {
    display: none;
  }

  .idb3c-enabled #main {
    grid-area: main;
    width: auto !important;
    min-width: 0;
    margin: 0 !important;
  }

  .idb3c-enabled #sidebar {
    grid-area: right;
    width: auto !important;
    min-width: 0;
    margin: 0 !important;
  }

  .idb3c-enabled .idb-main-ad-top {
    grid-area: top;
  }

  .idb3c-enabled .idb-main-ad-bottom {
    grid-area: bottom;
  }
}

.idb-left-sidebar,
.idb-main-ad {
  min-width: 0;
}

.idb-side-box {
  margin: 0 0 18px;
  padding: 14px;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.idb-side-title {
  margin: 0 0 10px;
  padding: 0 0 8px;
  border-bottom: 2px solid #ec4899;
  font-size: 16px;
  line-height: 1.4;
}

.idb-side-links {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.idb-side-links li {
  margin: 0;
  padding: 0;
}

.idb-side-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 4px;
  border-bottom: 1px solid #f1f5f9;
  color: inherit;
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
}

.idb-side-links a:hover {
  color: #db2777;
}

.idb-term-count {
  flex: 0 0 auto;
  min-width: 24px;
  padding: 1px 6px;
  border-radius: 999px;
  background: #fce7f3;
  color: #9d174d;
  font-size: 11px;
  text-align: center;
}

.idb-main-ad {
  width: 100%;
  overflow: hidden;
  text-align: center;
}

.idb-ad-label {
  margin-bottom: 4px;
  color: #777;
  font-size: 10px;
  line-height: 1.4;
}

.idb-ad-code {
  display: flex;
  max-width: 100%;
  min-height: 1px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.idb-ad-code img,
.idb-ad-code iframe {
  max-width: 100%;
}

.idb-ad-placeholder {
  display: flex;
  min-height: 100px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  border: 2px dashed #cbd5e1;
  border-radius: 8px;
  background: #f8fafc;
  color: #64748b;
  font-size: 14px;
}

.idb-ad-placeholder small {
  font-size: 11px;
}