@import "https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&display=swap";

/* =========================================================
  column（term置換済み）
========================================================== */

.column {
  background-color: #f8f8fa;
  padding: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  /* top.css側の `main { overflow: hidden; }` により
     position: sticky が効かなくなるため上書き */
  overflow: visible;
  font-family: "Noto Sans JP", sans-serif;
}
@media screen and (max-width: 499px) {
  .column {
    padding: 12px;
  }
}

.column h3 {
  padding: 6px 12px;
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  font-weight: bold;
}

.column .column-inner {
  background-color: #fff;
  max-width: 1275px;
  width: 100%;
  padding: 24px;
}
@media screen and (max-width: 499px) {
  .column .column-inner {
    padding: 12px;
  }
}

/* breadcrumb */
.column .column-inner .breadcrumb {
  width: 100%;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-direction: row;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 4px;
}
.column .column-inner .breadcrumb a,
.column .column-inner .breadcrumb p {
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  font-weight: 600;
}
.column .column-inner .breadcrumb p {
  color: #000;
}
.column .column-inner .breadcrumb span {
  margin: 0 6px;
}

/* ===== 2カラム ===== */
.column .column-inner .column-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: start;
}
.column .column-inner .column-main {
  min-width: 0;
}
.column .column-inner .column-sidebar {
  position: relative;
}

/* title */
.column .column-inner .title h1 {
  background-color: #00b0f0;
  display: inline-block;
  font-size: clamp(1rem, 4vw, 1.8rem);
  padding: 0 24px;
  color: #fff;
  font-weight: bold;
  margin: 6px 0;
}
.column .column-inner .title p {
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  font-weight: 600;
  color: #000;
  margin: 0;
}

/* eye-catch（全体表示） */
.column .column-inner .image-area {
  overflow: hidden;
  width: 100%;
  margin-bottom: 36px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
.column .column-inner .image-area.image-area--thumb {
  height: auto;
  margin-bottom: 24px;
  background: #f8f8fa;
  border-radius: 4px;
  filter: drop-shadow(0 0 5px rgba(0, 0, 0, 0.15));
}
.column .column-inner .image-area.image-area--thumb img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain; /* ★全体表示 */
}

/* section */
.column .column-inner .column-section {
  margin-bottom: 36px;
}
.column .column-inner .column-section .logirism-movie {
  width: 100%;
  margin-top: 12px;
  background: #f8f8fa;
  border-radius: 4px;
  overflow: hidden;
  filter: drop-shadow(0 0 5px rgba(0, 0, 0, 0.15));
}
.column .column-inner .column-section .logirism-movie__video {
  width: 100%;
  height: auto;
  display: block;
  background: #000;
  aspect-ratio: 16 / 9;
  border: 0;
}
.column .column-inner .column-section h2 {
  border-left: 5px solid #00b0f0;
  border-bottom: 1px solid #e4e4e4;
  padding-left: 12px;
  padding-bottom: 6px !important;
  font-size: clamp(1.2rem, 2vw, 1.4rem);
  color: #000;
  font-weight: bold;
}
.column .column-inner .column-section p {
  padding: 12px 0;
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  line-height: 2;
  font-weight: 500;
}
.column .column-inner .column-section p strong {
  background: linear-gradient(transparent 60%, #cdeffc 40%);
  padding: 0 2px;
}

/* media（記事内画像） */
.column .column-inner figure.media {
  margin: 18px 0 6px;
}
.column .column-inner figure.media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
  filter: drop-shadow(0 0 5px rgba(0, 0, 0, 0.15));
}

/* type-area */
.column .column-inner .column-section .type-area h3 {
  background-color: #cdeffc;
  color: #000;
  margin-top: 48px;
}
.column .column-inner .column-section .type-area p {
  padding: 0;
  margin-bottom: 12px;
}
.column .column-inner .column-section .type-area h4 {
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  font-weight: 700;
  color: #00b0f0;
  margin-bottom: 6px;
}

/* list */
.column .column-inner .column-section .list-area {
  padding: 12px 0;
}
.column .column-inner .column-section .list-area li {
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  font-weight: 500;
  margin-bottom: 6px;
  list-style: square;
  margin-left: 36px;
}

/* root-causes（sec5：根本原因 UI） */
.column .column-inner .column-section .root-causes {
  background: #f0faff;
  border: 1px solid #b3e0f5;
  border-radius: 8px;
  padding: 20px 24px;
  margin: 0 0 36px;
}
.column .column-inner .column-section .root-causes__title {
  font-size: 1rem;
  font-weight: 700;
  color: #0090c8;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 14px;
}
.column .column-inner .column-section .root-causes__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
}
.column .column-inner .column-section .root-causes__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: clamp(0.88rem, 1.4vw, 0.95rem);
  line-height: 1.7;
  font-weight: 500;
  color: #222;
}
.column .column-inner .column-section .root-causes__list li::before {
  content: "";
  flex-shrink: 0;
  margin-top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00b0f0;
}
.column .column-inner .column-section .root-causes__list li strong {
  color: #005a87;
  font-weight: 700;
}

/* SP：root-causes の「ラベル:」直後で改行させる */
@media screen and (max-width: 499px) {
  .column .column-inner .column-section .root-causes__list li {
    display: list-item;
    list-style: disc;
    margin-left: 18px;
  }
  .column .column-inner .column-section .root-causes__list li::before {
    display: none;
  }
  .column .column-inner .column-section .root-causes__list li strong {
    display: block;
    margin-bottom: 4px;
  }
}

/* inline-toc（導入直後のインライン目次） */
.column .column-inner .inline-toc {
  background: #f5f7fa;
  border-radius: 10px;
  padding: 28px 32px 24px;
  margin: 8px 0 36px;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.07);
}

.column .column-inner .inline-toc__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #1a2a4a;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid #dde4ee;
}

/* リスト本体 */
.column .column-inner .inline-toc__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0;
  padding: 0;
}

/* 各項目 */
.column .column-inner .inline-toc__item {
  border-bottom: 1px solid #e8edf3;
}
.column .column-inner .inline-toc__item:last-child {
  border-bottom: none;
}

.column .column-inner .inline-toc__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 4px;
  text-decoration: none;
  color: #1e3a6e;
  font-size: clamp(0.85rem, 1.4vw, 0.93rem);
  font-weight: 600;
  line-height: 1.5;
  transition: color 0.15s;
}
.column .column-inner .inline-toc__link:hover {
  color: #0090c8;
}

/* 左側：番号＋テキスト */
.column .column-inner .inline-toc__left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

/* 番号 */
.column .column-inner .inline-toc__num {
  flex-shrink: 0;
  font-size: 0.8rem;
  font-weight: 700;
  color: #0090c8;
  min-width: 18px;
}

/* 矢印 */
.column .column-inner .inline-toc__arrow {
  flex-shrink: 0;
  color: #1e3a6e;
  font-size: 0.75rem;
  transition: color 0.15s;
}
.column .column-inner .inline-toc__link:hover .inline-toc__arrow {
  color: #0090c8;
}

/* サブ階層（当ページ拡張） */
.column .column-inner .inline-toc__item--sub .inline-toc__left {
  padding-left: 18px;
}

/* 折りたたみ部分 */
.column .column-inner .inline-toc__collapse {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s ease;
}
.column .column-inner .inline-toc__collapse.is-open {
  max-height: 1200px;
}

/* 折りたたみ内の隠れ項目 */
.column .column-inner .inline-toc__list--hidden {
  list-style: none;
}
.column .column-inner .inline-toc__list--hidden .inline-toc__item {
  border-bottom: 1px solid #e8edf3;
}
.column .column-inner .inline-toc__list--hidden .inline-toc__link {
  /* 通常リストと同一の見た目に統一 */
  color: #1e3a6e;
  font-weight: 600;
}
.column .column-inner .inline-toc__list--hidden .inline-toc__link:hover {
  color: #0090c8;
}
.column .column-inner .inline-toc__list--hidden .inline-toc__num {
  color: #0090c8;
}
.column .column-inner .inline-toc__list--hidden .inline-toc__arrow {
  color: #1e3a6e;
}

/* 「全て見る」ボタン */
.column .column-inner .inline-toc__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 18px;
  padding: 16px 0 0;
  border-top: 1px solid #dde4ee;
  background: none;
  border-left: none;
  border-right: none;
  border-bottom: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  color: #1e3a6e;
  width: 100%;
  transition: color 0.15s;
}
.column .column-inner .inline-toc__toggle:hover {
  color: #0090c8;
  opacity: 1; /* 既存button:hoverのopacity上書き */
}

.column .column-inner .inline-toc__toggle-icon {
  display: inline-block;
  font-size: 0.7rem;
  transition: transform 0.3s ease;
}
.column .column-inner .inline-toc__toggle.is-open .inline-toc__toggle-icon {
  transform: rotate(180deg);
}

@media screen and (max-width: 499px) {
  .column .column-inner .inline-toc {
    padding: 20px 18px 18px;
  }
}

/* table */
/* =========================================================
  テーブル改善CSS
========================================================== */

/* ── 共通テーブルラッパー ── */
.column .column-inner .column-section .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 6px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  margin: 24px 0;
}

/* ── テーブル本体 ── */
.column .column-inner .column-section table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 0;
  background-color: #fff;
  border-radius: 6px;
  overflow: hidden;
  filter: none;
  table-layout: fixed;
}

/* ── ヘッダー ── */
.column .column-inner .column-section table thead,
.column .column-inner .column-section table thead tr,
.column .column-inner .column-section table thead th {
  background-color: #0090c8 !important;
}
.column .column-inner .column-section table thead tr th {
  padding: 14px 10px;
  font-size: clamp(0.85rem, 1.4vw, 0.95rem);
  color: #fff !important;
  font-weight: 700;
  text-align: center;
  border-bottom: 2px solid #007aad;
  vertical-align: middle;
  line-height: 1.5;
}

/* ── ボディ行 ── */
.column .column-inner .column-section table tbody tr td,
.column .column-inner .column-section table tbody tr th[scope="row"] {
  padding: 14px 12px;
  font-size: clamp(0.85rem, 1.4vw, 0.95rem);
  font-weight: 500;
  text-align: left;
  color: #222;
  border-bottom: 1px solid #e8e8e8;
  vertical-align: top;
  line-height: 1.8;
}

/* 行ストライプ */
.column .column-inner .column-section table tbody tr:nth-child(even) {
  background-color: #f4fbff;
}
.column .column-inner .column-section table tbody tr:nth-child(odd) {
  background-color: #fff;
}
.column .column-inner .column-section table tbody tr:last-child td,
.column .column-inner .column-section table tbody tr:last-child th {
  border-bottom: none;
}

/* ホバー */
.column .column-inner .column-section table tbody tr:hover {
  background-color: #ddf2fc;
  transition: background-color 0.25s ease;
}

/* 左端セル（シーン名・項目名など） */
.column .column-inner .column-section table tbody tr td:first-child,
.column .column-inner .column-section table tbody tr th[scope="row"] {
  background-color: #e6f6fd;
  color: #005a87;
  font-weight: 700;
  text-align: center;
  vertical-align: middle;
  white-space: nowrap;
  border-right: 2px solid #b3e0f5;
}

/* ── 列幅：sec1（シーン別役割）3列 ── */
.column-table-sec1 th:nth-child(1),
.column-table-sec1 td:nth-child(1) {
  width: 14%;
}
.column-table-sec1 th:nth-child(2),
.column-table-sec1 td:nth-child(2) {
  width: 33%;
}
.column-table-sec1 th:nth-child(3),
.column-table-sec1 td:nth-child(3) {
  width: 53%;
}

/* ── 列幅：sec2（ピッキングvs仕分け）3列 ── */
.column-table-sec2 th:nth-child(1),
.column-table-sec2 td:nth-child(1) {
  width: 16%;
}
.column-table-sec2 th:nth-child(2),
.column-table-sec2 td:nth-child(2) {
  width: 42%;
}
.column-table-sec2 th:nth-child(3),
.column-table-sec2 td:nth-child(3) {
  width: 42%;
}

/* ── 列幅：sec4（メリット・デメリット）4列 ── */
.column-table-sec4 th:nth-child(1),
.column-table-sec4 td:nth-child(1) {
  width: 16%;
}
.column-table-sec4 th:nth-child(2),
.column-table-sec4 td:nth-child(2) {
  width: 24%;
}
.column-table-sec4 th:nth-child(3),
.column-table-sec4 td:nth-child(3) {
  width: 28%;
}
.column-table-sec4 th:nth-child(4),
.column-table-sec4 td:nth-child(4) {
  width: 32%;
}

/* ── セル内リスト（メリット・デメリット列） ── */
.column .column-inner .column-section table .cell-list {
  margin: 0;
  padding-left: 18px;
  list-style: disc;
}
.column .column-inner .column-section table .cell-list li {
  font-size: clamp(0.82rem, 1.3vw, 0.92rem);
  line-height: 1.7;
  margin-bottom: 6px;
  list-style: disc;
  margin-left: 0;
}
.column .column-inner .column-section table .cell-list li:last-child {
  margin-bottom: 0;
}

/* ── スマホ対応 (〜820px) ── */
@media screen and (max-width: 820px) {
  .column .column-inner .column-section table {
    table-layout: auto;
  }
  .column .column-inner .column-section table thead tr th,
  .column .column-inner .column-section table tbody tr td,
  .column .column-inner .column-section table tbody tr th[scope="row"] {
    font-size: 0.82rem;
    padding: 10px 8px;
  }
}

/* ── スマホ対応 (〜499px) ── */
@media screen and (max-width: 499px) {
  .column .column-inner .column-section .table-scroll {
    margin: 16px -4px;
  }
  .column .column-inner .column-section table {
    min-width: 520px;
    table-layout: auto;
  }
  .column .column-inner .column-section table thead tr th,
  .column .column-inner .column-section table tbody tr td,
  .column .column-inner .column-section table tbody tr th[scope="row"] {
    font-size: 0.78rem;
    padding: 8px 6px;
    line-height: 1.6;
    white-space: normal;
  }
  .column .column-inner .column-section table thead tr th:first-child {
    position: sticky;
    left: 0;
    z-index: 3;
    background-color: #0090c8 !important;
  }
  .column .column-inner .column-section table tbody tr td:first-child,
  .column .column-inner .column-section table tbody tr th[scope="row"] {
    position: sticky;
    left: 0;
    z-index: 2;
    background-color: #e6f6fd;
    white-space: normal;
    min-width: 72px;
  }
}

/* CTA */
.column .column-inner .cta-area {
  padding-top: 36px;
}

/* =========================================================
  CTA（改善版：cta-card）
========================================================== */

/* カード本体 */
.column .column-inner .cta-card {
  position: relative;
  width: 100%;
  border-radius: 20px;
  overflow: hidden;
  background: #fff;
  box-shadow:
    0 0 0 1px rgba(0, 144, 200, 0.12),
    0 8px 40px rgba(0, 144, 200, 0.16),
    0 2px 8px rgba(0, 0, 0, 0.06);
}

/* 上部カラー帯 */
.column .column-inner .cta-card__top-band {
  height: 6px;
  background: linear-gradient(90deg, #0090c8 0%, #00d4ff 60%, #00b0f0 100%);
}

/* 内側パディング */
.column .column-inner .cta-card__body {
  padding: 44px 52px 48px;
}
@media (max-width: 600px) {
  .column .column-inner .cta-card__body {
    padding: 32px 24px 36px;
  }
}

/* ラベル */
.column .column-inner .cta-card__label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 50px;
  background: #e8f6ff;
  font-size: 0.75rem;
  font-weight: 700;
  color: #0090c8;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.column .column-inner .cta-card__label-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #0090c8;
  animation: ctaPulse 1.8s ease-in-out infinite;
}
@keyframes ctaPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.7);
  }
}

/* 見出し */
.column .column-inner .cta-card__body .cta-card__title {
  font-size: clamp(1.2rem, 2.8vw, 1.6rem);
  font-weight: 900;
  color: #0a2a3c;
  line-height: 1.45;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  border: none; /* 既存h2装飾の無効化 */
  padding: 0; /* 既存h2装飾の無効化 */
}
.column .column-inner .cta-card__body .cta-card__title em {
  font-style: normal;
  color: #0090c8;
}

/* 本文 */
.column .column-inner .cta-card__body .cta-card__text {
  font-size: clamp(0.88rem, 1.6vw, 1rem);
  color: #4a5a6a;
  line-height: 1.9;
  font-weight: 500;
  max-width: 600px;
  margin: 0 0 32px;
  padding: 0; /* 既存 .column-section p の padding を打ち消す */
}

/* フィーチャー */
.column .column-inner .cta-card__features {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0 0 36px;
  padding: 0;
}
.column .column-inner .cta-card__feature {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #005a87;
}
.column .column-inner .cta-card__feature::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0090c8, #00d4ff);
  flex-shrink: 0;
}

/* ボタンエリア */
.column .column-inner .cta-card__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin: 24px 0;
}

@media screen and (max-width: 499px) {
  .column .column-inner .cta-card__actions {
    justify-content: center;
  }
}

/* プライマリボタン（aタグ） */
.column .column-inner .cta-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  border-radius: 50px;
  background: linear-gradient(135deg, #0090c8 0%, #00b0f0 100%);
  color: #fff;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow:
    0 4px 20px rgba(0, 144, 200, 0.45),
    0 2px 6px rgba(0, 144, 200, 0.3);
  transition:
    transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.22s ease,
    background 0.2s ease;
}
.column .column-inner .cta-btn-primary.cta-btn-primary--compact {
  padding: 12px 24px;
  font-size: 0.95rem;
}
.column .column-inner .cta-btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow:
    0 8px 32px rgba(0, 144, 200, 0.55),
    0 4px 12px rgba(0, 144, 200, 0.3);
}
.column .column-inner .cta-btn-primary:active {
  transform: translateY(0) scale(0.98);
}

/* 矢印 */
.column .column-inner .cta-btn-primary__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  transition: transform 0.2s ease;
}
.column .column-inner .cta-btn-primary:hover .cta-btn-primary__arrow {
  transform: translateX(3px);
}
.column .column-inner .cta-btn-primary__arrow svg {
  width: 12px;
  height: 12px;
  fill: none;
  stroke: #fff;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* セカンダリリンク */
.column .column-inner .cta-link-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #0090c8;
  text-decoration: none;
  border-bottom: 1.5px dashed rgba(0, 144, 200, 0.35);
  padding-bottom: 1px;
  transition: color 0.18s, border-color 0.18s;
}
.column .column-inner .cta-link-secondary:hover {
  color: #005a87;
  border-color: #005a87;
}

/* 背景装飾 */
.column .column-inner .cta-card__deco {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.column .column-inner .cta-card__deco--1 {
  width: 300px;
  height: 300px;
  background: radial-gradient(
    circle,
    rgba(0, 176, 240, 0.07) 0%,
    transparent 70%
  );
  right: -60px;
  bottom: -80px;
}
.column .column-inner .cta-card__deco--2 {
  width: 160px;
  height: 160px;
  background: radial-gradient(
    circle,
    rgba(0, 144, 200, 0.06) 0%,
    transparent 70%
  );
  right: 80px;
  top: 20px;
}

/* button */
.column .column-inner button {
  margin-top: 12px;
  padding: 6px 12px;
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  color: #00b0f0;
  font-weight: 600;
  background-color: rgba(0, 0, 0, 0);
  border: 2px solid #00b0f0;
  transition: 0.3s all;
}
.column .column-inner button:hover {
  opacity: 0.7;
}
.column .column-inner button a {
  color: #00b0f0;
  text-decoration: none;
}

/* supervision */
.column .column-inner .supervision {
  background-color: #cdeffc;
  padding: 12px;
}
.column .column-inner .supervision h3 {
  color: #000;
  padding: 6px;
}
.column .column-inner .supervision .supervision-inner {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-direction: row;
  gap: 2rem;
}
@media screen and (max-width: 499px) {
  .column .column-inner .supervision .supervision-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 12px;
  }
}
.column .column-inner .supervision .supervision-inner .image-area {
  background-color: #fff;
  padding: 6px 24px;
  margin-bottom: 0;
  width: auto !important;
  min-width: 150px;
  height: auto !important;
  aspect-ratio: auto !important;
  overflow: visible !important;
  display: flex;
  align-items: center;
  justify-content: center;
}
.column .column-inner .supervision .supervision-inner .image-area img {
  display: block;
  width: auto !important;
  height: auto !important;
  max-width: 100% !important;
  max-height: 60px !important;
  object-fit: contain !important;
}
.column .column-inner .supervision .supervision-inner .txt-area {
  margin-top: 4px;
  margin-bottom: 12px;
}
@media screen and (max-width: 499px) {
  .column .column-inner .supervision .supervision-inner .txt-area {
    width: 100%;
  }
}
.column .column-inner .supervision .supervision-inner .txt-area h4 {
  font-size: clamp(1.2rem, 2vw, 1.4rem);
  font-weight: 600;
  color: #00b0f0;
}
.column .column-inner .supervision .supervision-inner .txt-area p {
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  line-height: 1.8;
  font-weight: 500;
}

/* ===== sidebar（目次） ===== */
.column .column-inner .column-sidebar {
  position: sticky;
  /* ヘッダー（#HeaderArea2）がStickyのため、重なりを避けて下げる */
  top: 120px;
}

.column .column-inner .column-sidebar .sidebar-box {
  /*
    右カラム（grid の第2カラム）内に収めたまま追従させる。
    fixed + right 計算だと画面幅によって本文に被ることがあるため、sticky を採用。
  */
  position: relative;
  top: auto;
  width: 100%;
  right: auto;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #e0f3fc;
  box-shadow: 0 2px 12px rgba(0, 144, 200, 0.1);
  overflow: hidden;
  z-index: 900;
  /* 目次が長い場合でも固定枠内でスクロールできるようにする */
  max-height: calc(100vh - 140px);
  overflow: auto;
}

/* 目次：中項目（サブ階層）は表示しない */
.column .column-inner .inline-toc__item--sub,
.column .column-inner .column-sidebar .sidebar-toc__item--sub {
  display: none;
}

/* ヘッダー部分 */
.column .column-inner .column-sidebar .sidebar-header {
  background: linear-gradient(135deg, #0090c8 0%, #00b0f0 100%);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.column .column-inner .column-sidebar .sidebar-header__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  fill: #fff;
  opacity: 0.9;
}
.column .column-inner .column-sidebar .sidebar-header__title {
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.1em;
}

/* 進捗バー */
.column .column-inner .column-sidebar .sidebar-progress {
  height: 3px;
  background: #e0f3fc;
  position: relative;
}
.column .column-inner .column-sidebar .sidebar-progress__bar {
  height: 100%;
  background: linear-gradient(90deg, #0090c8, #00d4ff);
  width: 0%;
  transition: width 0.2s ease;
}

/* リスト本体 */
.column .column-inner .column-sidebar .sidebar-toc {
  padding: 8px 0 12px;
}
.column .column-inner .column-sidebar .sidebar-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.column .column-inner .column-sidebar .sidebar-toc__item {
  border-bottom: 1px solid #f0f8fc;
}
.column .column-inner .column-sidebar .sidebar-toc__item:last-child {
  border-bottom: none;
}

/* 各リンク */
.column .column-inner .column-sidebar .sidebar-toc__link {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 16px;
  text-decoration: none;
  color: #444;
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1.55;
  transition: background 0.18s ease, color 0.18s ease;
  position: relative;
}
.column .column-inner .column-sidebar .sidebar-toc__link:hover {
  background: #f0faff;
  color: #0090c8;
}

/* 番号バッジ */
.column .column-inner .column-sidebar .sidebar-toc__num {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #e0f3fc;
  color: #0090c8;
  font-size: 0.7rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
  transition: background 0.18s ease, color 0.18s ease;
}

/* テキスト・ページ番号（画像の目次表現に寄せる） */
.column .column-inner .column-sidebar .sidebar-toc__text {
  flex: 1 1 auto;
  min-width: 0;
}
.column .column-inner .column-sidebar .sidebar-toc__page {
  flex: 0 0 auto;
  margin-left: 8px;
  color: #0078aa;
  font-weight: 700;
}

/* 目次右端のナンバリング（ページ表現）は非表示 */
.column .column-inner .column-sidebar .sidebar-toc__page {
  display: none;
}

/* サブ階層 */
.column .column-inner .column-sidebar .sidebar-toc__item--sub .sidebar-toc__link {
  padding-left: 30px;
}
.column .column-inner .column-sidebar .sidebar-toc__item--sub .sidebar-toc__num {
  width: auto;
  height: auto;
  border-radius: 0;
  background: none;
  color: #666;
  font-size: 0.8rem;
  font-weight: 700;
  margin-top: 0;
}
.column .column-inner .column-sidebar .sidebar-toc__item--sub .sidebar-toc__page {
  color: #5b8ea7;
}

/* アクティブ状態 */
.column .column-inner .column-sidebar .sidebar-toc__item.is-active
  .sidebar-toc__link {
  background: #e8f6ff;
  color: #0078aa;
  font-weight: 700;
}
.column .column-inner .column-sidebar .sidebar-toc__item.is-active
  .sidebar-toc__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, #0090c8, #00b0f0);
  border-radius: 0 2px 2px 0;
}
.column .column-inner .column-sidebar .sidebar-toc__item.is-active
  .sidebar-toc__num {
  background: #0090c8;
  color: #fff;
}

.column .column-inner .column-sidebar .sidebar-toc__item.is-active
  .sidebar-toc__page {
  color: #0078aa;
}

/* SP：1カラム（サイドバーは本文下に回る） */
@media screen and (max-width: 820px) {
  .column .column-inner .column-layout {
    grid-template-columns: 1fr;
  }
  .column .column-inner .column-sidebar .sidebar-box {
    position: static;
    top: auto;
    right: auto;
    width: auto;
    max-height: none;
    margin-top: 12px;
  }
  .column .column-inner .column-sidebar {
    position: static;
    top: auto;
  }
}