.section.paper { background: var(--paper); }

  /* ==================================================
     PAGE HERO BACKGROUND — IR（写真背景に上書き）
     ================================================== */
  /* /ir/ 配下の全ページに適用（page_key='ir' → body.page-ir）。
     白文字「投資家情報」を読みやすくするため上→下に暗くなるグラデを重ねる。 */
  .page-ir .page-hero-bg {
    background-image:
      linear-gradient(180deg, rgba(0,0,0,0.20) 0%, rgba(0,0,0,0.55) 60%, rgba(0,0,0,0.75) 100%),
      url('/assets/img/ir/hero.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
  }

  /* ==================================================
     IR — NEXT EVENT
     ================================================== */
  .ir-next-event {
    padding: 80px 0;
    background: var(--paper);
    border-top: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
  }
  .ir-event-card {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 60px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 48px;
    align-items: center;
  }
  .ir-event-text { min-width: 0; }
  .ir-event-label {
    font-size: 12px;
    letter-spacing: 0.05em;
    color: var(--note);
    margin-bottom: 14px;
    text-transform: uppercase;
    font-family: 'Helvetica Neue', sans-serif;
  }
  .ir-event-date {
    font-size: 18px;
    color: var(--accent);
    margin-bottom: 8px;
    letter-spacing: 0.1em;
    font-family: 'Helvetica Neue', sans-serif;
  }
  .ir-event-title {
    font-size: 32px;
    font-weight: 400;
    letter-spacing: 0.05em;
    line-height: 1.4;
    margin-bottom: 16px;
    color: #444444;
  }
  .ir-event-detail {
    font-size: 13px;
    line-height: 1.9;
    color: #444444;
  }
  .ir-event-link {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 16px 28px;
    background: #fff;
    border: 1px solid var(--line-soft);
    color: #444444;
    font-size: 12px;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
  }
  .ir-event-link::after { content: '→'; }
  .ir-event-link:hover { background: #444444; color: #fff; border-color: #444444; }

  /* ==================================================
     E-IR ウィジェット プレースホルダ
     ================================================== */
  .eir-placeholder {
    background: var(--eir-soft);
    border: 1px dashed var(--eir);
    padding: 32px;
    text-align: center;
    color: var(--eir);
    font-size: 12px;
    margin: 24px 0;
    border-radius: 4px;
  }
  .eir-placeholder-label {
    font-size: 13px;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
    font-weight: 400;
  }
  .eir-placeholder-note {
    font-size: 11px;
    opacity: 0.75;
    font-family: 'Helvetica Neue', monospace;
    letter-spacing: 0.05em;
  }

  /* IR LATEST のニュース一覧スタイルは common.css の .news-item / .news-date /
     .news-cate / .news-cate-main / .news-title を使用。SP override も
     common.css 側に集約しているため、ページ専用の重複定義はしない。 */

  /* ==================================================
     IR PICKUP CARDS
     ================================================== */
  .ir-pickup-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .ir-pickup-card {
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    color: inherit;
    text-decoration: none;
  }
  .ir-pickup-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
    text-decoration: none;
  }
  .ir-pickup-card.is-coming { cursor: default; opacity: 0.6; }
  .ir-pickup-card.is-coming:hover { transform: none; box-shadow: none; }
  .ir-pickup-img {
    aspect-ratio: 4 / 3;
    background: var(--ink);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 17px;
    line-height: 1.6;
    letter-spacing: 0.05em;
    text-align: center;
    padding: 24px;
    font-weight: 400;
  }
  .ir-pickup-card.is-coming .ir-pickup-img {
    background: var(--note);
    color: #fff;
    opacity: 0.85;
  }
  .ir-pickup-body {
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
  }
  .ir-pickup-date {
    font-size: 11px;
    color: var(--note);
    font-family: 'Helvetica Neue', monospace;
    letter-spacing: 0.05em;
  }
  .ir-pickup-img-title {
    margin: 0;
    font-size: 17px;
    line-height: 1.6;
    color: inherit;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-align: center;
  }
  .ir-pickup-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 14px;
    border-top: 1px solid var(--line-soft);
    font-size: 10px;
    color: var(--note);
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }
  /* .pdf-mark は common.css のグローバル定義を継承
     （IR トピックスリストと完全に同じデザインで統一） */
  .ir-pickup-meta .pdf-mark { margin-left: 0; }
  .ir-pickup-meta .arrow {
    color: #444444;
  }

  /* ==================================================
     IR LIBRARY GRID (5 cards) — E-IR配信
     ================================================== */
  .ir-library-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
  }
  .ir-library-card {
    border: 1px solid var(--line-soft);
    background: #fff;
    border-radius: 6px;
    padding: 28px 22px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.2s;
    min-height: 200px;
  }
  .ir-library-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    border-color: var(--eir);
  }
  .ir-library-num {
    font-size: 11px;
    color: var(--note);
    letter-spacing: 0.1em;
    font-family: 'Helvetica Neue', sans-serif;
  }
  .ir-library-title {
    font-size: 15px;
    line-height: 1.5;
    color: #444444;
    letter-spacing: 0.05em;
    flex: 1;
  }
  .ir-library-foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 14px;
    border-top: 1px solid var(--line-soft);
    font-size: 10px;
    color: var(--note);
    letter-spacing: 0.05em;
  }
  .ir-library-eir {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--eir);
    font-size: 10px;
    letter-spacing: 0.05em;
  }
  .ir-library-eir::before {
    content: '';
    display: inline-block;
    width: 6px; height: 6px;
    background: var(--eir);
    border-radius: 50%;
  }
  .ir-library-foot .arrow {
    color: #444444;
    font-size: 12px;
  }

  /* ==================================================
     IR STOCK INFO — Table
     ================================================== */
  .ir-stock-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 64px;
  }
  .ir-stock-table {
    width: 100%;
    border-collapse: collapse;
  }
  .ir-stock-table tr {
    border-bottom: 1px solid var(--line-soft);
  }
  .ir-stock-table tr:first-child { border-top: 1px solid var(--line-soft); }
  .ir-stock-table th {
    padding: 18px 20px 18px 0;
    text-align: left;
    font-weight: 400;
    font-size: 12px;
    color: var(--note);
    letter-spacing: 0.05em;
    width: 36%;
    vertical-align: top;
  }
  .ir-stock-table td {
    padding: 18px 0;
    font-size: 14px;
    color: #444444;
    letter-spacing: 0.05em;
  }
  .ir-stock-table td.accent {
    color: var(--accent);
    font-family: 'Helvetica Neue', sans-serif;
    font-size: 18px;
    letter-spacing: 0.1em;
  }
  .ir-stock-table td a {
    color: #444444;
    border-bottom: 1px solid var(--line-soft);
    padding-bottom: 2px;
    transition: color 0.2s, border-color 0.2s;
  }
  .ir-stock-table td a:hover {
    color: var(--link);
    border-color: var(--link);
  }
  /* 外部リンクは external_arrow() の SVG アイコンを使うので Unicode の ↗ は付けない。
     SP の狭いセル幅でアイコンが折り返さないよう、リンク全体を nowrap に。 */
  .ir-stock-table td a.external {
    white-space: nowrap;
  }

  .ir-stock-chart {
    background: var(--paper);
    border: 1px solid var(--line-soft);
    border-radius: 6px;
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
  .ir-chart-label {
    font-size: 12px;
    letter-spacing: 0.05em;
    color: var(--note);
    text-transform: uppercase;
    font-family: 'Helvetica Neue', sans-serif;
  }
  .ir-chart-title {
    font-size: 16px;
    color: #444444;
    letter-spacing: 0.05em;
  }
  .ir-chart-area {
    aspect-ratio: 4 / 3;
    background: #fff;
    border: 1px dashed var(--line-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--note);
    font-size: 11px;
    letter-spacing: 0.05em;
    border-radius: 4px;
  }
  .ir-chart-note {
    font-size: 11px;
    color: var(--note);
    line-height: 1.7;
  }
  .ir-chart-note strong { color: var(--accent); font-weight: 500; }
  .ir-chart-meta {
    font-size: 11px;
    color: var(--note);
    letter-spacing: 0.04em;
    margin: 0;
  }

  /* ==================================================
     SHAREHOLDER COMPOSITION BARS
     ================================================== */
  .ir-shareholder-bars {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .ir-shareholder-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .ir-shareholder-row-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 13px;
    color: #444;
    letter-spacing: 0.04em;
  }
  .ir-shareholder-pct {
    font-family: 'Helvetica Neue', sans-serif;
    font-size: 14px;
    color: var(--ink);
    font-weight: 500;
    font-variant-numeric: tabular-nums;
  }
  .ir-shareholder-bar-track {
    height: 8px;
    background: #f0eee8;
    border-radius: 4px;
    overflow: hidden;
  }
  .ir-shareholder-bar-fill {
    display: block;
    height: 100%;
    background: var(--ink);
    border-radius: 4px;
    transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .ir-shareholder-row-foot {
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    color: var(--note);
    font-family: 'Helvetica Neue', sans-serif;
    letter-spacing: 0.04em;
    font-variant-numeric: tabular-nums;
  }

  /* ==================================================
     MAJOR SHAREHOLDERS TABLE
     ================================================== */
  .sec-ir-major { padding: 80px 0; }
  .ir-major-table-wrap {
    position: relative;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: 4px;
  }
  /* SP で横スクロール可能なことを視覚的に示すグラデマスク（右端に薄い影）。
     スクロール末尾まで進むと :has() で fade を消したいが互換性優先で常時表示。 */
  .ir-major-table-wrap::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 32px;
    height: 100%;
    pointer-events: none;
    background: linear-gradient(to right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.95));
    opacity: 0;
    transition: opacity 0.2s;
  }
  /* スクロール対象の幅とビューポートの差が出る SP ブレイクで初めて表示 */
  @media (max-width: 768px) {
    .ir-major-table-wrap::after { opacity: 1; }
  }
  /* キャプション（SP のみ） */
  .ir-major-scroll-hint {
    display: none;
    font-size: 11px;
    letter-spacing: 0.05em;
    color: var(--note);
    margin: 0 0 8px;
    text-align: right;
  }
  @media (max-width: 768px) {
    .ir-major-scroll-hint { display: block; }
  }
  .ir-major-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    min-width: 720px;
  }
  .ir-major-table th,
  .ir-major-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--line-soft);
    color: #444;
    letter-spacing: 0.03em;
  }
  .ir-major-table thead th {
    background: var(--paper);
    color: var(--note);
    font-weight: 400;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-bottom: 1px solid var(--line);
  }
  .ir-major-table .ir-major-rank   { width: 60px;  text-align: center; color: var(--note); font-family: 'Helvetica Neue', sans-serif; font-variant-numeric: tabular-nums; }
  .ir-major-table .ir-major-shares { text-align: right; font-family: 'Helvetica Neue', sans-serif; font-variant-numeric: tabular-nums; }
  .ir-major-table .ir-major-pct    { text-align: right; width: 90px; font-family: 'Helvetica Neue', sans-serif; font-variant-numeric: tabular-nums; }
  .ir-major-table .ir-major-name   { font-weight: 500; color: var(--ink); }
  .ir-major-table .ir-major-addr   { color: var(--note); font-size: 12px; }
  .ir-major-table tr.ir-major-total td {
    background: var(--paper);
    font-weight: 500;
    color: var(--ink);
    border-bottom: none;
  }
  @media (max-width: 768px) { /* --bp-sp */
    .ir-major-table { min-width: 560px; }
    .ir-major-table th, .ir-major-table td { padding: 10px 12px; font-size: 12px; }
    .ir-major-table .ir-major-addr { font-size: 11px; }
  }

  /* ==================================================
     STOCK CHART (Stooq PNG)
     ================================================== */
  .ir-chart-img-wrap {
    display: block;
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: 4px;
    padding: 8px;
    overflow: hidden;
    transition: opacity 0.15s, border-color 0.15s;
  }
  .ir-chart-img-wrap:hover { opacity: 0.92; border-color: var(--accent); }
  .ir-chart-img {
    display: block;
    width: 100%;
    height: auto;
    max-width: 100%;
  }

  .sec-ir-stock-price { padding: 80px 0 40px; }
  .ir-stooq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .ir-stooq-block { margin: 0; }
  .ir-stooq-cap {
    display: block;
    font-size: 11px;
    color: var(--note);
    letter-spacing: 0.05em;
    margin-bottom: 8px;
    text-transform: uppercase;
    font-family: 'Helvetica Neue', sans-serif;
  }
  @media (max-width: 768px) {
    .ir-stooq-grid { grid-template-columns: 1fr; gap: 16px; }
  }

  /* ==================================================
     IR INDIVIDUAL — Cards for personal investors
     ================================================== */
  .ir-individual-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
  .ir-individual-card {
    border: 1px solid var(--line-soft);
    background: #fff;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
  }
  .ir-individual-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
  }
  .ir-individual-img {
    aspect-ratio: 16 / 10;
    background: var(--fill-mid);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--note);
    font-size: 10px;
    letter-spacing: 0.05em;
    text-align: center;
    padding: 16px;
  }
  .ir-individual-body {
    padding: 28px 26px 32px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
  .ir-individual-en {
    font-size: 11px;
    letter-spacing: 0.05em;
    color: var(--note);
    text-transform: uppercase;
  }
  .ir-individual-title {
    font-size: 18px;
    font-weight: 400;
    letter-spacing: 0.05em;
    line-height: 1.5;
  }
  .ir-individual-lead {
    font-size: 12px;
    line-height: 1.9;
    color: #444444;
    flex: 1;
  }
  .ir-individual-foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 14px;
    border-top: 1px solid var(--line-soft);
    font-size: 11px;
    color: var(--note);
    letter-spacing: 0.1em;
  }
  .ir-individual-foot .arrow { color: #444444; }

  /* ==================================================
     IR RETURN — Dividends
     ================================================== */
  .ir-return-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 56px;
  }
  .ir-return-block { }
  .ir-block-title {
    font-size: 18px;
    font-weight: 400;
    color: #444444;
    letter-spacing: 0.05em;
    padding-bottom: 16px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--line-soft);
  }
  .ir-dividend-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
  }
  .ir-dividend-table th,
  .ir-dividend-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--line-soft);
    letter-spacing: 0.05em;
  }
  .ir-dividend-table thead th {
    font-size: 11px;
    color: var(--note);
    text-transform: uppercase;
    font-weight: 400;
    background: var(--paper);
    letter-spacing: 0.1em;
  }
  .ir-dividend-table tbody td {
    color: #444444;
    font-family: 'Helvetica Neue', monospace;
  }
  .ir-dividend-table tbody td:first-child {
    font-family: inherit;
  }
  .ir-dividend-note {
    margin-top: 16px;
    font-size: 11px;
    color: var(--note);
    line-height: 1.8;
  }
  .ir-return-side {
    background: var(--paper);
    border: 1px solid var(--line-soft);
    border-radius: 6px;
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .ir-return-side .ir-block-title {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
  }
  .ir-return-side p {
    font-size: 13px;
    line-height: 1.9;
    color: #444444;
  }
  .ir-return-side .ir-return-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 22px;
    background: #fff;
    border: 1px solid var(--line-soft);
    color: #444444;
    font-size: 12px;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    align-self: flex-start;
    margin-top: 8px;
  }
  .ir-return-link::after { content: '→'; }
  .ir-return-link:hover { background: #444444; color: #fff; }

  /* ==================================================
     IR MEETING — Shareholder Meeting
     ================================================== */
  .ir-meeting-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .ir-meeting-card {
    border: 1px solid var(--line-soft);
    background: #fff;
    border-radius: 6px;
    padding: 32px 28px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.2s;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .ir-meeting-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  }
  /* 公開準備中（非リンク状態）: ホバー無効化 */
  .ir-meeting-card.is-coming,
  .ir-individual-card.is-coming {
    cursor: default;
    background: var(--paper);
    opacity: 0.92;
  }
  .ir-meeting-card.is-coming:hover,
  .ir-individual-card.is-coming:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--line-soft);
  }
  /* COMING SOON / 資料準備中バッジ */
  .badge-coming {
    display: inline-block;
    font-size: 10px;
    letter-spacing: 0.1em;
    padding: 5px 10px;
    background: #f1f0ec;
    color: var(--note);
    border-radius: 2px;
    text-transform: uppercase;
  }
  .ir-meeting-en {
    font-size: 11px;
    letter-spacing: 0.05em;
    color: var(--note);
    text-transform: uppercase;
  }
  .ir-meeting-title {
    font-size: 17px;
    line-height: 1.6;
    color: #444444;
    letter-spacing: 0.05em;
  }
  .ir-meeting-desc {
    font-size: 12px;
    line-height: 1.9;
    color: #444444;
  }
  .ir-meeting-foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 14px;
    margin-top: auto;
    border-top: 1px solid var(--line-soft);
    font-size: 11px;
    color: var(--note);
    letter-spacing: 0.1em;
  }
  /* .pdf-mark はサイト共通（common.css）の定義を継承して /ir/ トップと完全に統一。 */
  .ir-meeting-foot .pdf-mark { margin-left: 0; }
  /* 外部リンクの ↗ アイコンは external_arrow() の SVG を使う運用に統一（SITE_RULES §5）。
     旧 ::after の Unicode ↗ は撤去。 */

  /* ==================================================
     IR CALENDAR
     ================================================== */
  .ir-calendar-list {
    border-top: 1px solid var(--line-soft);
  }
  .ir-calendar-item {
    display: grid;
    grid-template-columns: 160px 140px 1fr;
    gap: 32px;
    align-items: center;
    padding: 22px 0;
    border-bottom: 1px solid var(--line-soft);
  }
  .ir-cal-date {
    font-size: 14px;
    font-family: 'Helvetica Neue', monospace;
    color: #444444;
    letter-spacing: 0.1em;
  }
  .ir-cal-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
    height: 22px;
    font-size: 10px;
    line-height: 1;
    padding: 0 10px;
    border: 1px solid var(--line-soft);
    color: var(--note);
    letter-spacing: 0.05em;
    border-radius: 3px;
    width: fit-content;
    box-sizing: border-box;
  }
  .ir-cal-tag.upcoming {
    color: var(--accent);
    border-color: var(--accent);
  }
  .ir-cal-title {
    font-size: 14px;
    color: #444444;
    letter-spacing: 0.05em;
  }

  /* ==================================================
     IR ESG
     ================================================== */
  .ir-esg-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .ir-esg-card {
    border: 1px solid var(--line-soft);
    background: #fff;
    border-radius: 6px;
    padding: 28px 26px 30px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
  }
  .ir-esg-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  }
  .ir-esg-mark {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--paper);
    border: 1px solid var(--line-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Helvetica Neue', sans-serif;
    font-size: 14px;
    color: var(--accent);
    letter-spacing: 0.05em;
  }
  .ir-esg-title {
    font-size: 16px;
    color: #444444;
    letter-spacing: 0.05em;
    line-height: 1.5;
  }
  .ir-esg-lead {
    font-size: 12px;
    line-height: 1.9;
    color: #444444;
    flex: 1;
  }
  .ir-esg-link {
    font-size: 11px;
    letter-spacing: 0.1em;
    color: #444444;
    padding-top: 12px;
    border-top: 1px solid var(--line-soft);
  }
  .ir-esg-link::after { content: ' →'; }

  /* ==================================================
     IR FAQ — Accordion
     スタイルは common.css の共通 .ir-faq-* に集約済み（recruit ページ等と共有）
     アコーディオン挙動は assets/js/app.js を参照
     ================================================== */

  /* ==================================================
     IR CONTACT
     ================================================== */
  .ir-contact-banner {
    background: var(--ink);
    color: #fff;
    border-radius: 8px;
    padding: 64px 56px;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 40px;
  }
  .ir-contact-text {
    max-width: 680px;
  }
  .ir-contact-en {
    font-size: 12px;
    letter-spacing: 0.05em;
    opacity: 0.7;
    margin-bottom: 12px;
    text-transform: uppercase;
    font-family: 'Helvetica Neue', sans-serif;
  }
  .ir-contact-title {
    font-size: 28px;
    font-weight: 400;
    margin-bottom: 16px;
    letter-spacing: 0.05em;
    line-height: 1.4;
  }
  .ir-contact-lead {
    font-size: 13px;
    line-height: 1.9;
    opacity: 0.85;
    margin-bottom: 16px;
  }
  .ir-contact-mail {
    font-size: 13px;
    letter-spacing: 0.05em;
    color: rgba(255,255,255,0.85);
    font-family: 'Helvetica Neue', monospace;
  }
  .ir-contact-cta a {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 16px 28px;
    background: var(--button-bg);
    border: none;
    color: #fff;
    font-size: 12px;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
    text-decoration: none;
  }
  .ir-contact-cta a::after {
    content: '→';
    display: inline-block;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .ir-contact-cta a:hover { background: var(--button-bg-hover); color: #fff; text-decoration: none; }
  .ir-contact-cta a:hover::after { transform: translateX(6px); }

  /* ==================================================
     IR LIBRARY DETAIL — disclosure / financial / presentation / plan / monthly
     ================================================== */
  .sec-ir-library-detail { padding: 80px 0 100px; background: var(--paper); }
  .sec-ir-library-detail .section-inner { max-width: 1100px; }
  .ir-library-detail-desc {
    color: #444444;
    font-size: 14px;
    line-height: 1.9;
    letter-spacing: 0.05em;
    margin: 0 0 40px;
    padding: 0 0 24px;
    border-bottom: 1px solid var(--line-soft);
  }
  .ir-library-detail-back {
    margin-top: 48px;
    text-align: center;
    font-size: 13px;
    letter-spacing: 0.1em;
  }
  .ir-library-detail-back a {
    color: #444444;
    border-bottom: 1px solid var(--line-soft);
    padding-bottom: 4px;
    transition: border-color 0.2s;
  }
  .ir-library-detail-back a:hover { border-bottom-color: var(--link); color: var(--link); }

  /* E-IR ウィジェット側のスタイル微調整（eir.css とぶつからない範囲で） */
  .sec-ir-library-detail .eir,
  .sec-ir-latest .eir {
    color: #444444;
    font-size: 14px;
    line-height: 1.8;
  }

  /* ============================================================
     モバイル対応（追加: 2026-05-01）
     C1 IRハブ系の各種グリッドが PC固定で iPhone 全機種で潰れる問題への対応
     C2 ir-stock-table の縦積み対応
     ============================================================ */

  /* タブレット（〜1024px）: 4-5列を 2列に */
  @media (max-width: 1024px) {
    .ir-pickup-grid     { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .ir-library-grid    { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .ir-individual-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .ir-esg-grid        { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .ir-stock-grid      { grid-template-columns: 1fr; gap: 40px; }
    .ir-return-grid     { grid-template-columns: 1fr; gap: 32px; }
  }

  /* モバイル（〜768px）: すべて1列化、パディング縮小 */
  @media (max-width: 768px) {
    .ir-pickup-grid,
    .ir-library-grid,
    .ir-individual-grid,
    .ir-meeting-grid,
    .ir-esg-grid        { grid-template-columns: 1fr; gap: 14px; }

    /* ヒーロー直下のイベントカード（株主総会等の告知）*/
    .ir-event-card      { grid-template-columns: 1fr; gap: 20px; padding: 0 24px; }
    .ir-event-title     { font-size: 22px; }

    /* IRライブラリ最低高さ解除（4行潰れ防止）*/
    .ir-library-card    { min-height: 0; padding: 20px 18px; }

    /* IRカレンダー: 日付・タグ・タイトルの3列を縦積みに */
    .ir-calendar-item   { grid-template-columns: 1fr; gap: 4px; padding: 16px 0; }
    .ir-cal-tag         { margin-top: 4px; }

    /* IRコンタクトバナー: 横並びを縦に */
    .ir-contact-banner  { grid-template-columns: 1fr; padding: 32px 24px; gap: 24px; }
    .ir-contact-title   { font-size: 22px; }
  }

  /* 小型モバイル（〜600px）: 株式情報テーブルを縦積みカード形式に */
  @media (max-width: 600px) {
    .ir-stock-table th,
    .ir-stock-table td {
      display: block;
      padding: 10px 0;
      width: 100%;
    }
    .ir-stock-table th {
      font-size: 11px;
      color: var(--note);
      padding-bottom: 2px;
      letter-spacing: 0.08em;
      border-bottom: none;
    }
    .ir-stock-table td {
      padding-top: 0;
      padding-bottom: 14px;
      font-size: 13.5px;
    }
    .ir-stock-table tr:first-child { border-top: 1px solid var(--line-soft); }
  }

  /* iPhone SE等（〜480px）: 見出し・株式テーブルのフォント微調整 */
  @media (max-width: 480px) {
    .ir-event-title    { font-size: 20px; }
    .ir-stock-table td.accent { font-size: 16px; }
  }

  /* ==================================================
     IR INDIVIDUAL — 個人投資家ページ追加スタイル
     ================================================== */

  .ir-individual-narrow { max-width: 880px; }

  /* INTRO */
  /* IR INDIVIDUAL — セクション間のリズムを統一
     - 通常セクション: 72px 0 → 隣接間隔 144px
     - intro: ヒーロー直下のため top をやや広め（80px）に
     - disclaimer: ページ末の補足のため top を縮め（48px）、bottom を広め（96px） */
  .sec-ir-individual-intro,
  .sec-ir-individual-facts,
  .sec-ir-individual-financials,
  .sec-ir-individual-portfolio,
  .sec-ir-individual-milestones,
  .sec-ir-individual-shareholder,
  .sec-ir-individual-library,
  .sec-ir-individual { padding: 72px 0; }
  .sec-ir-individual-intro { padding-top: 80px; }
  .sec-ir-individual-disclaimer { padding: 48px 0 96px; }
  .ir-individual-intro-lead,
  .ir-individual-intro-text {
    font-size: 14px;
    line-height: 2;
    color: #444444;
    letter-spacing: 0.04em;
    margin: 0;
    font-weight: 400;
  }
  .ir-individual-intro-lead { margin-bottom: 20px; }

  /* ENTRY CARDS */
  .ir-entry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .ir-entry-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: 6px;
    padding: 32px 28px 24px;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  }
  .ir-entry-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.06);
    border-color: #444444;
  }
  .ir-entry-card-en {
    font-size: 11px;
    letter-spacing: 0.15em;
    color: var(--note);
    margin-bottom: 12px;
    text-transform: uppercase;
  }
  .ir-entry-card-title {
    font-size: 18px;
    font-weight: 500;
    color: #444444;
    letter-spacing: 0.05em;
    line-height: 1.5;
    margin: 0 0 14px;
  }
  .ir-entry-card-lead {
    font-size: 13px;
    color: #444;
    line-height: 1.85;
    letter-spacing: 0.04em;
    margin: 0 0 24px;
    flex: 1;
  }
  .ir-entry-card-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--line-soft);
    font-size: 12px;
    letter-spacing: 0.1em;
    color: #444444;
  }
  .ir-entry-card-arrow {
    color: var(--note);
    transition: transform 0.25s, color 0.2s;
  }
  .ir-entry-card:hover .ir-entry-card-arrow {
    color: #444444;
    transform: translateX(4px);
  }

  /* QUICK FACTS */
  .ir-fact-list {
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--line-soft);
  }
  .ir-fact-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 24px;
    padding: 18px 0;
    border-bottom: 1px solid var(--line-soft);
    font-size: 14px;
    line-height: 1.7;
  }
  .ir-fact-row dt {
    color: var(--note);
    font-size: 12px;
    letter-spacing: 0.08em;
    margin: 0;
  }
  .ir-fact-row dd {
    color: #444444;
    margin: 0;
    letter-spacing: 0.03em;
  }

  /* FINANCIAL HIGHLIGHTS */
  .ir-finance-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 48px;
  }
  .ir-finance-card {
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: 6px;
    padding: 28px 24px 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .ir-finance-card-label {
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--note);
    text-transform: uppercase;
  }
  .ir-finance-card-value {
    display: flex;
    align-items: baseline;
    gap: 6px;
    color: #444444;
  }
  .ir-finance-card-num {
    font-size: 36px;
    font-weight: 300;
    letter-spacing: 0.02em;
    line-height: 1;
  }
  .ir-finance-card-unit {
    font-size: 13px;
    letter-spacing: 0.05em;
    color: var(--note);
  }
  .ir-finance-card-note {
    font-size: 11px;
    color: var(--note);
    letter-spacing: 0.05em;
  }

  /* SALES HISTORY */
  .ir-sales-history {
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: 6px;
    padding: 28px 32px;
  }
  .ir-sales-history-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 14px;
  }
  .ir-sales-history-title {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: #444444;
    margin: 0;
  }
  .ir-sales-history-unit {
    font-size: 11px;
    color: var(--note);
    letter-spacing: 0.05em;
  }
  .ir-sales-history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
  }
  .ir-sales-history-table thead th {
    border-bottom: 1px solid var(--line-soft);
    text-align: left;
    font-weight: 500;
    color: var(--note);
    font-size: 11px;
    letter-spacing: 0.05em;
    padding: 8px 12px;
  }
  .ir-sales-history-table thead th.ir-num,
  .ir-sales-history-table tbody td.ir-num,
  .ir-sales-history-table tbody th.ir-num {
    text-align: right;
    font-variant-numeric: tabular-nums;
  }
  .ir-sales-history-table tbody th {
    text-align: left;
    font-weight: 500;
    padding: 12px 12px;
    color: #444444;
    border-bottom: 1px solid var(--line-soft);
  }
  .ir-sales-history-table tbody td {
    padding: 12px 12px;
    color: #444;
    border-bottom: 1px solid var(--line-soft);
  }
  .ir-sales-history-table tbody tr:last-child th,
  .ir-sales-history-table tbody tr:last-child td {
    border-bottom: none;
    color: #444444;
    font-weight: 500;
  }

  /* PORTFOLIO */
  .ir-portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .ir-portfolio-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: 6px;
    padding: 32px 28px 28px;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  }
  .ir-portfolio-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.06);
    border-color: #444444;
  }
  .ir-portfolio-card-en {
    font-size: 11px;
    letter-spacing: 0.15em;
    color: var(--note);
    margin-bottom: 16px;
    text-transform: uppercase;
  }
  .ir-portfolio-card-count {
    display: flex;
    align-items: baseline;
    gap: 6px;
    color: #444444;
    margin-bottom: 14px;
    font-size: 40px;
    font-weight: 300;
    letter-spacing: 0.02em;
    line-height: 1;
  }
  .ir-portfolio-card-count > span {
    font-size: 14px;
    color: var(--note);
    letter-spacing: 0.05em;
  }
  .ir-portfolio-card-lead {
    font-size: 13px;
    line-height: 1.85;
    color: #444;
    letter-spacing: 0.04em;
    margin: 0;
  }
  .ir-portfolio-card-arrow {
    position: absolute;
    bottom: 24px;
    right: 28px;
    color: var(--note);
    font-size: 14px;
    transition: transform 0.25s, color 0.2s;
  }
  .ir-portfolio-card:hover .ir-portfolio-card-arrow {
    color: #444444;
    transform: translateX(4px);
  }

  /* MILESTONES */
  .ir-milestone-list {
    list-style: none;
    margin: 0;
    padding: 0;
    border-left: 1px solid var(--line-soft);
  }
  .ir-milestone-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 24px;
    padding: 16px 0 16px 24px;
    position: relative;
  }
  .ir-milestone-item::before {
    content: '';
    position: absolute;
    left: -5px;
    top: 22px;
    width: 9px;
    height: 9px;
    background: var(--accent);
    border-radius: 50%;
  }
  .ir-milestone-year {
    font-size: 22px;
    font-weight: 300;
    color: #444444;
    letter-spacing: 0.04em;
    line-height: 1.4;
    font-family: 'Helvetica Neue', sans-serif;
  }
  .ir-milestone-text {
    font-size: 13px;
    line-height: 1.85;
    color: #444;
    letter-spacing: 0.04em;
    padding-top: 6px;
  }

  /* SHAREHOLDER */
  .ir-shareholder-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .ir-shareholder-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: 6px;
    padding: 36px 32px 32px;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  }
  .ir-shareholder-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.06);
    border-color: #444444;
  }
  .ir-shareholder-card-en {
    font-size: 11px;
    letter-spacing: 0.15em;
    color: var(--note);
    margin-bottom: 14px;
    text-transform: uppercase;
  }
  .ir-shareholder-card-title {
    font-size: 18px;
    font-weight: 500;
    color: #444444;
    letter-spacing: 0.05em;
    margin: 0 0 14px;
  }
  .ir-shareholder-card-lead {
    font-size: 13px;
    line-height: 1.85;
    color: #444;
    margin: 0;
    letter-spacing: 0.04em;
  }
  .ir-shareholder-card-arrow {
    position: absolute;
    bottom: 28px;
    right: 32px;
    color: var(--note);
    font-size: 14px;
    transition: transform 0.25s, color 0.2s;
  }
  .ir-shareholder-card:hover .ir-shareholder-card-arrow {
    color: #444444;
    transform: translateX(4px);
  }

  /* IR LIBRARY */
  .ir-library-links {
    list-style: none;
    margin: 0;
    padding: 0;
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: 6px;
  }
  .ir-library-links li + li {
    border-top: 1px solid var(--line-soft);
  }
  .ir-library-links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 28px;
    color: #444444;
    text-decoration: none;
    font-size: 14px;
    letter-spacing: 0.04em;
    transition: background 0.2s, color 0.2s;
  }
  .ir-library-links a:hover {
    background: var(--paper);
    color: var(--link);
  }
  .ir-library-arrow {
    color: var(--note);
    font-size: 14px;
    transition: transform 0.25s, color 0.2s;
  }
  .ir-library-links a:hover .ir-library-arrow {
    color: var(--link);
    transform: translateX(4px);
  }

  /* DISCLAIMER */
  .ir-individual-disclaimer {
    border-top: 1px solid var(--line-soft);
    padding-top: 32px;
  }
  .ir-individual-disclaimer-title {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--note);
    margin: 0 0 16px;
    text-transform: uppercase;
  }
  .ir-individual-disclaimer p {
    font-size: 12px;
    line-height: 1.95;
    color: var(--note);
    letter-spacing: 0.04em;
    margin: 0 0 14px;
  }
  .ir-individual-disclaimer p:last-child { margin-bottom: 0; }
  .ir-individual-disclaimer a {
    color: var(--link);
    border-bottom: 1px solid var(--link);
    padding-bottom: 1px;
  }

  /* NOTE (financial section) */
  .ir-individual-note {
    font-size: 12px;
    color: var(--note);
    letter-spacing: 0.04em;
    line-height: 1.85;
    margin: 24px 0 0;
  }
  .ir-individual-note a {
    color: var(--link);
    border-bottom: 1px solid var(--link);
    padding-bottom: 1px;
  }

  /* RESPONSIVE */
  @media (max-width: 1100px) {
    .ir-finance-cards { grid-template-columns: repeat(2, 1fr); }
    .ir-portfolio-grid { grid-template-columns: 1fr; }
  }
  @media (max-width: 768px) { /* --bp-sp */
    /* SP セクション間も比例して圧縮（通常 56px / intro 64px / disclaimer 40 0 80） */
    .sec-ir-individual-intro,
    .sec-ir-individual-facts,
    .sec-ir-individual-financials,
    .sec-ir-individual-portfolio,
    .sec-ir-individual-milestones,
    .sec-ir-individual-shareholder,
    .sec-ir-individual-library,
    .sec-ir-individual { padding: 56px 0; }
    .sec-ir-individual-intro { padding-top: 64px; }
    .sec-ir-individual-disclaimer { padding: 40px 0 80px; }

    .ir-entry-grid { grid-template-columns: 1fr; gap: 16px; }
    .ir-finance-cards { grid-template-columns: 1fr; gap: 12px; }
    .ir-shareholder-grid { grid-template-columns: 1fr; gap: 16px; }
    .ir-fact-row {
      grid-template-columns: 1fr;
      gap: 4px;
      padding: 14px 0;
    }
    .ir-milestone-item { grid-template-columns: 80px 1fr; gap: 16px; }
    .ir-milestone-year { font-size: 18px; }
    .ir-individual-intro-lead,
    .ir-individual-intro-text { font-size: 13px; }
    .ir-sales-history { padding: 22px 18px; }
    .ir-sales-history-table thead th,
    .ir-sales-history-table tbody th,
    .ir-sales-history-table tbody td { padding: 10px 8px; font-size: 12px; }
  }

  /* ==================================================
     IR — 個人投資家への動線バナー（/ir/ ページ内）
     ================================================== */
  .sec-ir-individual-banner { padding: 72px 0; }
  .ir-individual-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 48px 56px;
    background: var(--ink);
    color: #fff;
    border-radius: 6px;
    text-decoration: none;
    transition: transform 0.25s, box-shadow 0.25s;
  }
  .ir-individual-banner:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.18);
  }
  .ir-individual-banner-text { flex: 1; min-width: 0; }
  .ir-individual-banner-en {
    display: block;
    font-size: 11px;
    letter-spacing: 0.2em;
    color: rgba(255,255,255,0.6);
    text-transform: uppercase;
    margin-bottom: 12px;
  }
  .ir-individual-banner-title {
    font-size: 28px;
    font-weight: 400;
    letter-spacing: 0.06em;
    line-height: 1.4;
    color: #fff;
    margin: 0 0 14px;
  }
  .ir-individual-banner-lead {
    font-size: 13px;
    line-height: 1.85;
    letter-spacing: 0.04em;
    color: rgba(255,255,255,0.78);
    margin: 0;
    max-width: 640px;
  }
  .ir-individual-banner-cta {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
    padding-left: 24px;
    border-left: 1px solid rgba(255,255,255,0.18);
  }
  .ir-individual-banner-cta-label {
    font-size: 12px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #fff;
  }
  .ir-individual-banner-cta-arrow {
    font-size: 18px;
    color: #fff;
    transition: transform 0.25s;
  }
  .ir-individual-banner:hover .ir-individual-banner-cta-arrow {
    transform: translateX(6px);
  }

  @media (max-width: 768px) { /* --bp-sp */
    .sec-ir-individual-banner { padding: 56px 0; }
    .ir-individual-banner {
      flex-direction: column;
      align-items: flex-start;
      gap: 24px;
      padding: 32px 28px;
    }
    .ir-individual-banner-title { font-size: 22px; }
    .ir-individual-banner-cta {
      padding-left: 0;
      border-left: none;
      padding-top: 16px;
      border-top: 1px solid rgba(255,255,255,0.18);
      width: 100%;
      justify-content: space-between;
    }
  }