:root {
    --color-bg: #f5f9fc;
    --color-surface: #ffffff;
    --color-primary: #1f7aa8;
    --color-primary-light: #3a9bc9;
    --color-accent: #32b39b;
    --color-border: #d3e1ee;
    --color-text: #1a2a3a;
    --color-muted: #6b7a8a;
    --shadow-soft: 0 10px 30px rgba(15, 38, 61, 0.12);
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-pill: 999px;
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
    background: radial-gradient(circle at top left, #e0f1ff 0, #f5f9fc 45%, #edf4ff 100%);
    color: var(--color-text);
}

.page-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-header {
    padding: 18px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: blur(12px);
    background: linear-gradient(90deg, rgba(255,255,255,0.92), rgba(241,249,255,0.9));
    border-bottom: 1px solid rgba(211, 225, 238, 0.8);
    position: sticky;
    top: 0;
    z-index: 20;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 14px;
    background: conic-gradient(from 210deg, #1f7aa8, #32b39b, #3a9bc9, #1f7aa8);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 18px rgba(10, 65, 100, 0.35);
}

.brand-mark span {
    color: #fff;
    font-weight: 700;
    font-size: 16px;
}

.brand-text-main {
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-size: 12px;
    color: var(--color-muted);
}

.brand-text-sub {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
}

.header-right {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 14px;
    font-size: 13px;
    color: var(--color-muted);
}

.header-status {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
}

.header-account-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(31, 122, 168, 0.2);
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-primary);
    cursor: pointer;
    transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease;
}

.header-account-btn:hover {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 4px 12px rgba(31, 122, 168, 0.2);
    transform: scale(1.05);
}

.header-account-icon {
    width: 22px;
    height: 22px;
}

.header-logout-form {
    display: inline-flex;
    margin: 0;
}

.header-logout-btn {
    flex-shrink: 0;
}

.header-member-toolbar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 10px;
}

.header-home-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid rgba(31, 122, 168, 0.4);
    background: rgba(255, 255, 255, 0.98);
    color: var(--color-primary);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    line-height: 1.2;
    box-shadow: 0 2px 8px rgba(31, 122, 168, 0.12);
    transition: background 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.header-home-link:hover {
    background: #fff;
    border-color: rgba(31, 122, 168, 0.65);
    box-shadow: 0 4px 14px rgba(31, 122, 168, 0.2);
    transform: translateY(-1px);
}

.header-home-link-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.header-home-link-label {
    white-space: nowrap;
}

.header-menu {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.header-menu-panel {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 220px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(211, 225, 238, 0.95);
    border-radius: 14px;
    box-shadow: 0 16px 40px rgba(15, 38, 61, 0.18);
    padding: 8px;
    z-index: 50;
}

.header-menu-panel::before {
    content: "";
    position: absolute;
    top: -7px;
    right: 14px;
    width: 14px;
    height: 14px;
    background: rgba(255, 255, 255, 0.98);
    border-left: 1px solid rgba(211, 225, 238, 0.95);
    border-top: 1px solid rgba(211, 225, 238, 0.95);
    transform: rotate(45deg);
}

.header-menu-item {
    appearance: none;
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--color-text);
    font-size: 13px;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.header-menu-item:hover {
    background: rgba(31, 122, 168, 0.08);
    border-color: rgba(31, 122, 168, 0.12);
}

.header-menu-item:active {
    transform: scale(0.99);
}

.header-menu-form {
    margin: 0;
}

.header-menu-logout {
    color: #b42318;
}

.pill-badge {
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(31, 122, 168, 0.18);
    background: rgba(255, 255, 255, 0.9);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.pill-badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 30%, #6ff0c7, #2b9e83);
    box-shadow: 0 0 0 4px rgba(76, 201, 163, 0.25);
}

.main-container {
    flex: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 24px 16px 40px;
}

/* 画面遷移時のフラッシュ対策：mainをフェードイン */
html.page-loading main {
    opacity: 0;
}

html.page-loaded main {
    opacity: 1;
    transition: opacity 220ms ease;
}

@media (prefers-reduced-motion: reduce) {
    html.page-loaded main {
        transition: none;
    }
}

.card-layout {
    width: 100%;
    max-width: 1040px;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 32px;
}

.card-layout-vertical {
    width: 100%;
    max-width: 1040px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.card-visual {
    position: relative;
    overflow: hidden;
}

.card-visual h1 {
    margin: 0 0 10px;
    font-size: 24px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.card-visual h2 {
    margin: 0 0 16px;
    font-size: 26px;
    font-weight: 700;
}

.card-visual p {
    margin: 0;
    max-width: 460px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-muted);
}

.metric-row {
    margin-top: 22px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.metric-chip {
    flex: 1;
    min-width: 140px;
    border-radius: 18px;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(211, 225, 238, 0.8);
}

.metric-label {
    font-size: 11px;
    color: var(--color-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.metric-value {
    margin-top: 6px;
    font-size: 18px;
    font-weight: 600;
}

.orb {
    position: absolute;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.9), rgba(52, 152, 219, 0.7));
    filter: blur(0.3px);
    opacity: 0.9;
}

.orb.orb-1 {
    width: 220px;
    height: 220px;
    right: -80px;
    top: -40px;
}

.orb.orb-2 {
    width: 150px;
    height: 150px;
    left: 40%;
    bottom: -60px;
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.9), rgba(46, 204, 153, 0.7));
}

.status-tag {
    position: absolute;
    right: 24px;
    bottom: 22px;
    border-radius: var(--radius-pill);
    padding: 6px 14px;
    background: rgba(31, 122, 168, 0.08);
    color: var(--color-primary);
    font-size: 11px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: #2ecc71;
    box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.35);
}

.card-form {
    border-radius: 26px;
    padding: 13px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(211, 225, 238, 0.7);
}

.card-form-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 18px;
}

.card-form-title {
    font-size: 18px;
    font-weight: 600;
}

.card-form-subtitle {
    font-size: 12px;
    color: var(--color-muted);
}

.form-group {
    margin-bottom: 14px;
}

.form-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--color-muted);
    margin-bottom: 4px;
}

.form-label span {
    font-weight: 500;
    color: var(--color-text);
}

.form-control {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    padding: 10px 12px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
    background: #f8fbff;
}

.form-control:focus {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 1px rgba(31, 122, 168, 0.12), 0 0 0 6px rgba(31, 122, 168, 0.08);
    background: #ffffff;
}

.btn-primary {
    /* width: 130px; */
    border-radius: 999px;
    border: none;
    padding: 11px 16px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    box-shadow: 0 10px 22px rgba(12, 83, 120, 0.35);
    transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
}

.btn-primary:hover {
    transform: translateY(-1px);
    filter: brightness(1.05);
    box-shadow: 0 12px 28px rgba(12, 83, 120, 0.45);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 8px 18px rgba(12, 83, 120, 0.35);
}

.form-footer {
    margin-top: 12px;
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--color-muted);
}

.login-actions {
    margin-top: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.login-actions .btn-primary {
    margin: 0;
}

.login-actions .login-home-link {
    justify-content: center;
}

.link-text {
    color: var(--color-primary);
    text-decoration: none;
}

.link-text:hover {
    text-decoration: underline;
}

.alert {
    border-radius: 12px;
    padding: 10px 12px;
    font-size: 13px;
    margin-bottom: 10px;
}

.alert-error {
    background: #ffeef0;
    color: #8b1b35;
    border: 1px solid #f5c2c7;
}

.alert-success {
    background: #e9fbf4;
    color: #136441;
    border: 1px solid #b7f0d3;
}

.site-footer {
    padding: 12px 24px 18px;
    font-size: 11px;
    color: var(--color-muted);
    text-align: center;
}

/* ダッシュボード用 */
.dashboard-container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 26px 12px 38px;
}

.dashboard-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 16px;
    margin-bottom: 16px;
}

.dashboard-title {
    font-size: 22px;
    font-weight: 600;
}

.dashboard-subtitle {
    font-size: 13px;
    color: var(--color-muted);
}

.dashboard-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.btn-outline {
    border-radius: var(--radius-pill);
    border: 1px solid rgba(31, 122, 168, 0.18);
    background: rgba(255,255,255,0.9);
    padding: 7px 14px;
    font-size: 12px;
    color: var(--color-primary);
    cursor: pointer;
    min-width: 120px;
    text-align: center;
}

.btn-outline-danger {
    border-color: rgba(185, 28, 28, 0.35);
    color: #b91c1c;
}

.btn-outline[data-confirm-danger],
.btn-outline[data-confirm-danger]:visited {
    border-color: rgba(185, 28, 28, 0.35);
    color: #b91c1c;
}

.btn-outline[data-confirm-danger]:hover {
    background: rgba(185, 28, 28, 0.06);
    border-color: rgba(185, 28, 28, 0.55);
}

.btn-outline[data-confirm-danger]:active {
    background: rgba(185, 28, 28, 0.1);
}

.btn-outline-danger:hover {
    background: rgba(185, 28, 28, 0.06);
    border-color: rgba(185, 28, 28, 0.55);
}

.btn-outline-danger:active {
    background: rgba(185, 28, 28, 0.1);
}

.text-danger {
    color: #b91c1c !important;
}

.nav-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 18px;
    flex-wrap: wrap;
    position: sticky;
    top: 72px;
    z-index: 15;
    padding: 8px 0 6px;
}

.nav-tab {
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    border: 1px solid rgba(31, 122, 168, 0.12);
    background: rgba(255,255,255,0.8);
    color: var(--color-muted);
    text-decoration: none;
    box-shadow: 0 6px 14px rgba(15, 60, 110, 0.12);
    transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease, color 0.15s ease;
}

/* 管理者ナビ：スマホ時は2x2でバランス表示 */
@media (max-width: 640px) {
    .nav-tabs {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
        align-items: stretch;
    }
    .nav-tab {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
        text-align: center;
        padding: 10px 12px;
        box-sizing: border-box;
    }
}

.nav-tab.active {
    border-color: rgba(31, 122, 168, 0.18);
    background: rgba(255,255,255,0.95);
    color: var(--color-primary);
    box-shadow: 0 10px 22px rgba(37, 92, 136, 0.2);
}

.nav-tab:hover {
    background: rgba(255,255,255,0.95);
    box-shadow: 0 10px 22px rgba(15, 60, 110, 0.2);
    transform: translateY(-1px);
}

/* 管理ナビ：第1行＋セミナー時の第2行をまとめてスティッキー */
.admin-nav-stack {
    position: sticky;
    top: 72px;
    z-index: 15;
    margin: 0 0 18px;
    padding: 6px 0 2px;
    background: linear-gradient(180deg, rgba(245, 249, 252, 0.97) 0%, rgba(245, 249, 252, 0.94) 85%, rgba(245, 249, 252, 0.78) 100%);
    backdrop-filter: blur(10px);
    border-radius: 0 0 14px 14px;
}

.admin-nav-stack .nav-tabs {
    position: static;
    top: auto;
    margin-bottom: 0;
    padding: 6px 0 4px;
}

.admin-nav-stack .admin-nav-seminar-sub {
    border-top: 1px solid rgba(211, 225, 238, 0.75);
    padding-top: 8px;
    margin-top: 2px;
    padding-bottom: 6px;
}

.admin-nav-stack .admin-nav-seminar-sub .nav-tab {
    font-size: 12px;
    padding: 7px 15px;
}

.surface {
    background: rgba(255,255,255,0.98);
    border-radius: 20px;
    border: 1px solid rgba(211, 225, 238, 0.85);
    box-shadow: var(--shadow-soft);
    padding: 18px 18px 14px;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.table th,
.table td {
    padding: 8px 10px;
    border-bottom: 1px solid #e3edf6;
    text-align: left;
}

.table th {
    font-weight: 600;
    color: var(--color-muted);
    background: #f7fbff;
    text-align: center;
}

/* 管理画面テーブル用：中央寄せ */
.table-admin th,
.table-admin td {
    text-align: center;
    width: 200px;
}
@media (max-width: 640px) {
    .table-admin th,
    .table-admin td {
        width: 100%;
    }
}

.col-drag {
    width: 36px;
    text-align: center;
    vertical-align: middle;
}

.drag-handle {
    cursor: grab;
    color: var(--color-muted);
    font-size: 14px;
    user-select: none;
    padding: 4px 2px;
}

.drag-handle:active {
    cursor: grabbing;
}

.js-draggable-row {
    cursor: move;
}

.js-draggable-row.drag-source {
    opacity: 0.5;
}

.js-draggable-row.drag-over-top {
    border-top: 2px solid var(--color-primary);
}

.js-draggable-row.drag-over-bottom {
    border-bottom: 2px solid var(--color-primary);
}

.table-actions {
    display: flex;
    gap: 6px;
    justify-content: center;
    flex-wrap: wrap;
}

.tag {
    display: inline-flex;
    align-items: center;
    border-radius: var(--radius-pill);
    padding: 2px 8px;
    font-size: 11px;
}

.tag-green {
    background: #e9fbf4;
    color: #136441;
}

.tag-gray {
    background: #f1f4f8;
    color: var(--color-muted);
}

.tag-amber {
    background: #fef3c7;
    color: #92400e;
}

/* 管理画面セミナー一覧: 開催終了（赤文字で強調） */
.tag.seminar-admin-badge-ended {
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: #b91c1c;
    background: #fee2e2;
    border: 1px solid #f87171;
    box-shadow: 0 2px 6px rgba(185, 28, 28, 0.12);
}

/* 管理画面セミナー一覧: 公開状態テキスト */
.seminar-admin-pub-status {
    font-size: 12px;
    font-weight: 600;
}

.seminar-admin-pub-status--open {
    color: #15803d;
}

.seminar-admin-pub-status--closed {
    color: var(--color-muted);
}

/* 管理画面: セミナー一覧の開催状態 */
.seminar-admin-item--past.surface {
    border-left: 3px solid #94a3b8;
    background: linear-gradient(90deg, rgba(148, 163, 184, 0.12) 0%, var(--color-surface) 28%);
}

.seminar-admin-item--past .seminar-admin-summary-title {
    color: var(--color-muted);
}

.seminar-admin-item--past .seminar-admin-summary-datetime {
    color: #94a3b8;
}

.seminar-admin-item--ongoing.surface {
    border-left: 3px solid #d97706;
    background: linear-gradient(90deg, rgba(217, 119, 6, 0.1) 0%, var(--color-surface) 32%);
}

/* セミナー新規・更新フォーム：PC 3列 / タブレット以下 2列（textarea 以外は1マスずつ） */
.seminar-admin-form-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px 14px;
    align-items: end;
    margin-top: 12px;
}

.seminar-admin-form-grid .form-label {
    display: block;
    margin-bottom: 4px;
}

.seminar-admin-field {
    min-width: 0;
}

/* 長文入力（textarea）のみ全幅 */
.seminar-admin-field--longtext {
    grid-column: 1 / -1;
}

/* 画像ドロップ：PC では 2 列分、タブレット以下は全幅 */
.seminar-admin-field--media {
    grid-column: span 2;
}

.seminar-admin-loc-group {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px 14px;
    align-items: end;
}

.seminar-admin-form-actions {
    grid-column: 1 / -1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding-top: 12px;
    margin-top: 4px;
    border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.seminar-admin-conditional--hidden {
    display: none !important;
}

@media (max-width: 1023px) {
    .seminar-admin-form-grid,
    .seminar-admin-loc-group {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .seminar-admin-field--media {
        grid-column: 1 / -1;
    }
}

.badge-company {
    font-size: 11px;
    color: var(--color-muted);
}

.company-toggle {
    display: inline-flex;
    align-items: center;
    margin-right: 8px;
}

.company-toggle input {
    display: none;
}

.company-toggle span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(31, 122, 168, 0.16);
    background: rgba(255,255,255,0.9);
    font-size: 12px;
    color: var(--color-muted);
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(15, 60, 110, 0.12);
    transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease;
}

.company-toggle input:checked + span {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #ffffff;
    box-shadow: 0 8px 18px rgba(12, 83, 120, 0.35);
}

.company-toggle span:hover {
    transform: translateY(-1px);
}

.flex-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.flex-1 {
    flex: 1;
    min-width: 200px;
}

.app-approve-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
    width: 100%;
    min-width: 280px;
}

.app-approve-field {
    min-width: 0;
}

.app-approve-check {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--color-muted);
}

.app-approve-company {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.app-approve-member {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.app-approve-actions {
    display: flex;
    justify-content: flex-end;
}

.app-approve-accordion {
    width: 100%;
}

.app-approve-summary {
    cursor: pointer;
    list-style: none;
    user-select: none;
    padding: 8px 10px;
    border-radius: 12px;
    border: 1px solid rgba(211, 225, 238, 0.95);
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-primary);
    font-size: 13px;
    font-weight: 600;
}

.app-approve-summary::-webkit-details-marker {
    display: none;
}

.app-approve-accordion[open] .app-approve-summary {
    background: rgba(31, 122, 168, 0.08);
    border-color: rgba(31, 122, 168, 0.18);
}

.app-approve-member {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

@media (max-width: 640px) {
    .app-approve-form {
        min-width: 0;
    }
}

.filter-actions {
    margin-top: 8px;
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

/* モーダル（フェードイン・アウト） */
.modal-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    background: rgba(10, 25, 41, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.28s ease;
    /* 縦長フォームでも外側スクロールで到達可能（safe-area 考慮） */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: max(12px, env(safe-area-inset-top, 0px)) max(12px, env(safe-area-inset-right, 0px))
        max(12px, env(safe-area-inset-bottom, 0px)) max(12px, env(safe-area-inset-left, 0px));
    box-sizing: border-box;
}

.modal-overlay.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.modal-overlay .modal {
    transition: opacity 0.28s ease, transform 0.28s ease;
}

.modal-overlay:not(.is-visible) .modal {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
}

.modal-overlay.is-visible .modal {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.modal {
    width: 100%;
    max-width: 520px;
    max-height: min(92vh, calc(100vh - 24px));
    max-height: min(92vh, calc(100dvh - 24px));
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    background: #ffffff;
    border-radius: 22px;
    box-shadow: 0 22px 50px rgba(4, 26, 48, 0.45);
    padding: 20px 22px 18px;
    flex-shrink: 0;
}

@media (prefers-reduced-motion: reduce) {
    .modal-overlay,
    .modal-overlay .modal {
        transition-duration: 0.01ms;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.modal-title {
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    color: var(--color-muted);
}

/* 管理画面：フォーム送信中の全画面ブロック（誤操作防止） */
.admin-busy-overlay {
    position: fixed;
    inset: 0;
    z-index: 99990;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    box-sizing: border-box;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    pointer-events: auto;
}

.admin-busy-overlay.is-visible {
    display: flex;
}

body.admin-busy-no-scroll {
    overflow: hidden;
}

.admin-busy-panel {
    max-width: 360px;
    width: 100%;
    padding: 28px 24px 26px;
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 24px 48px rgba(4, 26, 48, 0.35);
    text-align: center;
}

.admin-busy-spinner {
    width: 44px;
    height: 44px;
    margin: 0 auto 18px;
    border: 3px solid rgba(31, 122, 168, 0.2);
    border-top-color: var(--color-primary, #1f7aa8);
    border-radius: 50%;
    animation: admin-busy-spin 0.75s linear infinite;
}

.admin-busy-message {
    margin: 0 0 8px;
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text, #0f172a);
    line-height: 1.45;
}

.admin-busy-hint {
    margin: 0;
    font-size: 13px;
    line-height: 1.55;
    color: var(--color-muted);
}

@keyframes admin-busy-spin {
    to {
        transform: rotate(360deg);
    }
}

@media (prefers-reduced-motion: reduce) {
    .admin-busy-spinner {
        animation-duration: 1.6s;
    }
}

.additional-name-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.additional-name-row:last-child {
    margin-bottom: 0;
}

.additional-name-remove {
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid rgba(31, 122, 168, 0.18);
    background: rgba(255, 255, 255, 0.95);
    color: #b42318;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease;
}

.additional-name-remove:hover {
    background: rgba(180, 35, 24, 0.06);
    box-shadow: 0 4px 12px rgba(180, 35, 24, 0.18);
    transform: scale(1.02);
}

.additional-name-remove svg {
    width: 18px;
    height: 18px;
}

/* 管理者：会員追加申請（モバイルはみ出し対策） */
.additional-requests-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 0;
}

.additional-request-card {
    border: 1px solid rgba(211,225,238,0.9);
    border-radius: 12px;
    padding: 10px 12px;
    background: rgba(255,255,255,0.9);
    min-width: 0;
}

.additional-request-item {
    padding: 0;
}

.additional-request-summary {
    cursor: pointer;
    list-style: none;
    user-select: none;
    padding: 10px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.additional-request-summary::-webkit-details-marker {
    display: none;
}

.additional-request-name {
    font-weight: 600;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.additional-request-status {
    flex: 0 0 auto;
    font-size: 12px;
    color: var(--color-muted);
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid rgba(211,225,238,0.9);
    background: rgba(248,250,252,0.9);
}

.additional-request-status-pending {
    color: var(--color-primary);
    border-color: rgba(31,122,168,0.22);
    background: rgba(31,122,168,0.08);
}

.additional-request-body {
    padding: 0 12px 12px 12px;
    border-top: 1px solid rgba(211,225,238,0.7);
}

.additional-request-item[open] .additional-request-summary {
    background: rgba(31,122,168,0.05);
}

.additional-request-fields {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
}

.additional-request-actions {
    display: flex;
    justify-content: flex-start;
    width: 100%;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.additional-request-actions .btn-primary {
    width: 100%;
    box-sizing: border-box;
}

.additional-request-action-row {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
}

.additional-request-action-row > form {
    width: 100%;
    box-sizing: border-box;
}

.additional-request-reject {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
}

.additional-request-reject .btn-outline {
    width: 100%;
    box-sizing: border-box;
}

@media (max-width: 640px) {
    .additional-request-actions > * {
        width: 100%;
    }
    .additional-request-reject > * {
        width: 100%;
    }
}

.modal-footer {
    margin-top: 14px;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* 共通確認モーダル（削除など） */
.app-confirm-overlay {
    z-index: 250;
}

.app-confirm-overlay .modal-confirm-body {
    margin: 0;
    font-size: 14px;
    line-height: 1.55;
    color: var(--color-text);
    white-space: pre-wrap;
}

.app-confirm-overlay .app-confirm-ok-danger {
    background: #b91c1c;
    border-color: #b91c1c;
    color: #fff;
}

.app-confirm-overlay .app-confirm-ok-danger:hover {
    filter: brightness(0.95);
}

.field-error-text {
    margin-top: 4px;
    font-size: 12px;
    color: #b42318;
}

.field-error {
    border-color: #f97373 !important;
    box-shadow: 0 0 0 1px rgba(248, 113, 113, 0.4);
}

.companies-list-text {
    padding: 4px 0;
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text);
    max-height: 60vh;
    overflow-y: auto;
}

.companies-list-text div {
    padding: 2px 0;
}

.companies-list-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 6px 12px;
    padding: 4px 0;
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.companies-list-row:last-child {
    border-bottom: none;
}

.companies-list-item {
    display: block;
    flex: 1 1 auto;
    min-width: 0;
    width: auto;
    padding: 6px 0;
    margin: 0;
    border: none;
    background: none;
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-primary);
    text-align: left;
    cursor: pointer;
    text-decoration: none;
}

.companies-list-hp {
    flex-shrink: 0;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
}

.companies-list-item:hover {
    text-decoration: underline;
}

.company-intro-body {
    padding: 4px 0;
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-text);
    max-height: 50vh;
    overflow-y: auto;
}

.company-intro-contact {
    margin: 0 0 14px;
    padding: 10px 12px;
    border-radius: 10px;
    background: var(--color-surface-alt, rgba(15, 23, 42, 0.04));
    border: 1px solid var(--color-border, #e8e8e8);
}

.company-intro-meta-line {
    margin: 0 0 6px;
    font-size: 13px;
    line-height: 1.55;
    word-break: break-word;
}

.company-intro-meta-line:last-child {
    margin-bottom: 0;
}

.company-intro-meta-label {
    display: inline-block;
    min-width: 6.5em;
    margin-right: 6px;
    color: var(--color-muted, #666);
    font-weight: 600;
}

.company-intro-text {
    white-space: pre-wrap;
    word-break: break-word;
}

.company-intro-images {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
}

.company-intro-img {
    max-width: 100%;
    height: auto;
    max-height: 200px;
    object-fit: contain;
    border-radius: 8px;
    border: 1px solid var(--color-border, #e0e0e0);
}

/* 管理者：所属紹介画像（編集モーダル） */
.intro-images-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 8px;
}

.intro-image-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

.intro-image-thumb {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--color-border, #e0e0e0);
}

.intro-image-check {
    font-size: 12px;
    color: var(--color-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}

.intro-image-check input {
    margin: 0;
}

.intro-drop-zone {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    padding: 20px;
    border: 2px dashed var(--color-border, #ccc);
    border-radius: 12px;
    background: rgba(31, 122, 168, 0.04);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.intro-drop-zone:hover {
    border-color: var(--color-primary, #1f7aa8);
    background: rgba(31, 122, 168, 0.08);
}

.intro-drop-zone.intro-drop-zone-active {
    border-color: var(--color-primary, #1f7aa8);
    background: rgba(31, 122, 168, 0.12);
}

.intro-drop-zone.intro-drop-zone-disabled {
    cursor: not-allowed;
    opacity: 0.65;
    border-color: var(--color-border, #ccc);
    background: rgba(148, 163, 184, 0.12);
    pointer-events: none;
}

.intro-drop-zone.intro-drop-zone-disabled:hover {
    border-color: var(--color-border, #ccc);
    background: rgba(148, 163, 184, 0.12);
}

.intro-drop-zone .intro-drop-zone-text {
    color: var(--color-muted);
    font-size: 14px;
    text-align: center;
    line-height: 1.5;
    pointer-events: none;
}

.intro-drop-zone input[type="file"] {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
    overflow: hidden;
}

.intro-drop-zone-small {
    min-height: 72px;
    padding: 12px;
}

.intro-drop-zone-small .intro-drop-zone-text {
    font-size: 13px;
}

.intro-images-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
    padding-bottom: 4px;
    align-content: flex-start;
}

.intro-image-preview-item {
    position: relative;
    margin: 0;
    flex-shrink: 0;
}

.intro-image-remove {
    position: absolute;
    top: 2px;
    right: 2px;
    z-index: 2;
    width: 26px;
    height: 26px;
    padding: 0;
    margin: 0;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease, transform 0.15s ease;
}

.intro-image-remove:hover {
    background: rgba(180, 40, 40, 0.9);
}

.intro-image-remove:focus {
    outline: 2px solid var(--color-primary, #1f7aa8);
    outline-offset: 2px;
}

.form-help {
    font-size: 12px;
    color: var(--color-muted);
    margin-top: 4px;
}

/* アコーディオン（登録所属一覧） */
.accordion-section {
    overflow: visible;
}

/* 開いたときは本文の高さに任せ、ウィンドウ（ページ）側でスクロールする（内部スクロールでホイールが奪われない） */
.accordion-section.is-open .accordion-body {
    max-height: none;
    overflow: visible;
    overscroll-behavior: auto;
}

.accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 10px 14px;
    border: 1px solid rgba(31, 122, 168, 0.18);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease, box-shadow 0.2s ease;
}

.accordion-header:hover {
    background: #fff;
    box-shadow: 0 4px 12px rgba(31, 122, 168, 0.12);
}

.accordion-header-stack {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    text-align: left;
    flex: 1;
    min-width: 0;
}

.accordion-header-stack .accordion-title {
    line-height: 1.35;
}

.accordion-hint {
    font-size: 12px;
    font-weight: 400;
    color: var(--color-muted);
    line-height: 1.4;
}

.member-ann-count {
    font-weight: 600;
    color: var(--color-muted);
    font-size: 13px;
}

.member-ann-open-hint {
    margin: 0 0 12px;
}

.member-announcements-head {
    margin-bottom: 12px;
}

.member-announcements-body {
    margin-top: 4px;
}

.member-announcements-more-actions {
    margin-top: 16px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.member-announcements-more-actions .js-member-ann-more-toggle {
    min-width: 200px;
}

/* 「もっと見る」内の過去お知らせが多い場合のスクロール */
.member-announcements-more-panel {
    margin-top: 14px;
    max-height: min(80vh, 2400px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-right: 2px;
}

.accordion-icon {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    margin-left: 8px;
    transition: transform 0.2s ease;
}

.accordion-section.is-open .accordion-icon {
    transform: rotate(-135deg);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-body[hidden] {
    display: block;
    max-height: 0;
}

.accordion-section.is-open .accordion-body[hidden] {
    max-height: 0;
}

.accordion-inner {
    padding: 14px 0 4px;
    border: 1px solid rgba(31, 122, 168, 0.12);
    border-top: none;
    border-radius: 0 0 12px 12px;
    padding: 14px 14px 12px;
}

/* セミナー予約カード（画像デザイン準拠） */
.seminar-card {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.seminar-card-inner {
    min-height: 200px;
}

.seminar-reservation-top-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding: 24px 32px 16px;
    box-sizing: border-box;
}

.seminar-card-info {
    padding: 8px 32px 32px;
    display: flex;
    flex-direction: column;
}

.seminar-back-to-list {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #366483;
    text-decoration: none;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid #a7bcd1;
    background: #eef6fc;
    box-shadow: none;
    transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.seminar-back-to-list:hover {
    background: #e4eef8;
    border-color: #8fa8bf;
    transform: translateY(-1px);
}

.seminar-back-to-list-icon {
    font-size: 16px;
    line-height: 1;
}

.seminar-form-actions--after-success {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 12px;
}

.seminar-form-actions--after-success .seminar-back-to-list-btn {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 200px;
}

.seminar-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.seminar-tag {
    display: inline-flex;
    align-items: center;
    padding: 5px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    background: #93c5fd;
    color: #1e40af;
}

.seminar-tag-member {
    background: #60a5fa;
    color: #ffffff;
}

.seminar-datetime {
    font-size: 14px;
    color: #1a2a3a;
}

.seminar-title {
    margin: 0 0 12px;
    font-size: 24px;
    font-weight: 700;
    color: #1a2a3a;
    line-height: 1.35;
}

.seminar-description {
    margin: 0 0 18px;
    font-size: 14px;
    line-height: 1.7;
    color: #64748b;
}

.seminar-details {
    margin-bottom: 24px;
    font-size: 14px;
    line-height: 1.9;
}

.seminar-detail-row {
    display: flex;
    gap: 6px;
}

.seminar-detail-label {
    font-weight: 600;
    color: #1a2a3a;
    min-width: 56px;
}

.seminar-detail-value {
    color: #1a2a3a;
}

.seminar-detail-value .seminar-detail-contact-line {
    display: block;
}

.seminar-detail-value .seminar-detail-contact-line + .seminar-detail-contact-line {
    margin-top: 4px;
}

.seminar-hero-image-wrap {
    margin: 12px 0 16px;
}

.seminar-hero-image {
    display: block;
    width: min(100%, 760px);
    max-height: 460px;
    object-fit: cover;
    border-radius: 14px;
}

.seminar-terms-preface-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 16px;
}

/* フォーム内：同意チェック直前の規約表示ボタン行 */
.seminar-terms-inline-wrap {
    margin: 8px 0 18px;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid rgba(31, 122, 168, 0.18);
    background: rgba(248, 250, 252, 0.95);
}

.seminar-terms-inline-actions {
    margin: 0;
}

.seminar-terms-open-btn {
    cursor: pointer;
    font-family: inherit;
}

.seminar-terms-external-link {
    font-size: 13px;
    font-weight: 600;
}

.seminar-terms-modal-overlay {
    z-index: 220;
    padding: 20px 16px;
    box-sizing: border-box;
}

.seminar-terms-modal-overlay .seminar-terms-modal {
    max-width: min(920px, 100%);
    width: 100%;
    max-height: calc(100vh - 40px);
    display: flex;
    flex-direction: column;
    padding: 18px 20px 16px;
    box-sizing: border-box;
}

.seminar-terms-modal-body {
    flex: 1;
    min-height: 0;
    margin: 0 -4px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.seminar-terms-modal-scroll {
    flex: 1;
    min-height: 0;
    max-height: min(72vh, 720px);
    overflow-y: auto;
    padding: 4px 14px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #fafbfc;
    -webkit-overflow-scrolling: touch;
}

.seminar-terms-pdf-link-wrap {
    margin: 0;
    font-size: 13px;
}

.seminar-terms-doc {
    font-size: 13px;
    line-height: 1.75;
    color: #1a2a3a;
}

.seminar-terms-doc-main-title {
    margin: 0 0 14px;
    font-size: 1.05rem;
    font-weight: 700;
    text-align: center;
    line-height: 1.45;
}

.seminar-terms-doc-subtitle {
    margin: 16px 0 10px;
    font-size: 1rem;
    font-weight: 700;
    text-align: center;
}

.seminar-terms-doc-preamble {
    margin: 0 0 16px;
}

.seminar-terms-section {
    margin-bottom: 16px;
}

.seminar-terms-heading {
    margin: 0 0 8px;
    font-size: 0.95rem;
    font-weight: 700;
    color: #0f172a;
}

.seminar-terms-section p {
    margin: 0 0 8px;
}

.seminar-terms-list {
    margin: 0 0 8px;
    padding-left: 1.35em;
}

.seminar-terms-list-kanji {
    list-style-type: cjk-ideographic;
}

.seminar-terms-list li {
    margin-bottom: 6px;
}

.seminar-terms-sublist {
    list-style: none;
    margin: 8px 0 0;
    padding-left: 0;
}

.seminar-terms-sublist li {
    margin-bottom: 8px;
}

.seminar-terms-submark {
    font-weight: 700;
    margin-right: 4px;
}

.seminar-terms-separator {
    border: none;
    border-top: 1px solid #cbd5e1;
    margin: 20px 0;
}

.seminar-terms-appendix-label {
    font-size: 12px;
    color: #64748b;
    margin: 0 0 6px;
}

.seminar-terms-blank {
    display: inline-block;
    border-bottom: 1px solid #94a3b8;
    min-width: 3em;
}

.seminar-terms-blank.long {
    min-width: 12em;
}

.seminar-terms-sign-block {
    margin-top: 12px;
    font-size: 13px;
    line-height: 1.85;
}

.seminar-terms-fallback {
    margin: 0 0 10px;
    font-size: 14px;
    line-height: 1.6;
    color: #334155;
}

.seminar-terms-fallback {
    margin: 0 0 10px;
    font-size: 14px;
    line-height: 1.6;
    color: #334155;
}

.seminar-terms-pdf-miss code {
    font-size: 12px;
}

.seminar-form-section {
    margin-top: auto;
    padding-top: 22px;
    border-top: 1px solid #e2e8f0;
}

.seminar-form-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 18px;
}

.seminar-form-intro {
    margin: 0 0 16px;
    font-size: 13px;
    color: #64748b;
}

.btn-apply {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    border-radius: 30px;
    width: 150px;
    border: none;
    background: #2563eb;
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
    transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
}

.btn-apply:hover {
    transform: translateY(-1px);
    filter: brightness(1.05);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.btn-apply-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    font-size: 12px;
}

.info-summary {
    margin-bottom: 0;
}

.info-row {
    display: flex;
    gap: 12px;
    margin-bottom: 8px;
    font-size: 13px;
}

.info-label {
    font-weight: 600;
    color: var(--color-text);
    min-width: 56px;
}

.info-value {
    color: var(--color-muted);
}

@media (max-width: 840px) {
    .site-header {
        padding-inline: 18px;
    }
    .card-layout {
        grid-template-columns: minmax(0, 1fr);
    }
    .card-form {
        order: 1;
    }


    /* 管理画面（モバイル）レイアウト調整 */
    .dashboard-container {
        padding: 18px 10px 28px;
    }

    .flex-row {
        flex-direction: column;
    }

    .flex-1 {
        min-width: 100%;
    }

    .filter-actions {
        justify-content: stretch;
    }

    .dashboard-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .btn-outline,
    .btn-primary {
        width: 100%;
        justify-content: center;
    }

    .login-actions {
        flex-direction: column;
        align-items: stretch;
    }

    /* 管理画面：操作ボタンは小さく横並び優先 */
    .table-actions .btn-outline,
    .table-actions .btn-primary {
        width: auto;
        min-width: 0;
        padding: 6px 10px;
        font-size: 11px;
        white-space: nowrap;
    }

    /* 一般テーブルは横スクロールのまま */
    .table {
        width: 100%;
    }
}

/* 管理画面テーブル（スマホ）は情報を縦に並べる */
@media (max-width: 640px) {
    .table-admin {
        border-collapse: separate;
        border-spacing: 0 8px;
    }

    .table-admin thead {
        display: none;
    }

    .table-admin tbody tr {
        display: block;
        background: #ffffff;
        border-radius: 16px;
        box-shadow: var(--shadow-soft);
        padding: 10px 12px;
        margin-bottom: 6px;
    }

    .table-admin tbody td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: left;
        border-bottom: none;
        padding: 4px 0;
        font-size: 13px;
    }

    .table-admin tbody td::before {
        content: attr(data-label);
        flex: 0 0 auto;
        margin-right: 8px;
        color: var(--color-muted);
        font-size: 11px;
    }

    .table-admin .table-actions {
        justify-content: flex-end;
    }
}

.table-responsive-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* 会員マイページ：専用お知らせ */
.member-announcements-section {
    margin-top: 0;
}

.member-announcements-section .member-announcements-head .card-form-subtitle {
    margin-top: 6px;
}

.member-announcements-empty {
    margin: 0;
    color: var(--color-muted);
    font-size: 14px;
}

.member-announcements-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.member-announcement-row-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    margin: 0;
    padding: 14px 16px;
    border: none;
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    background: #fff;
    color: var(--color-text, #0f172a);
    text-align: left;
    cursor: pointer;
    font: inherit;
    transition: box-shadow 0.15s ease, transform 0.1s ease;
}

.member-announcement-row-btn:hover {
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.12);
}

.member-announcement-row-btn:active {
    transform: scale(0.995);
}

.member-announcement-row-main {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    min-width: 0;
    flex: 1;
}

.member-announcement-title-preview {
    font-size: 1.02rem;
    font-weight: 700;
    line-height: 1.45;
    word-break: break-word;
}

.member-announcement-row-chevron {
    flex-shrink: 0;
    font-size: 1.35rem;
    font-weight: 300;
    color: var(--color-muted);
    line-height: 1;
    opacity: 0.75;
}

.member-announcement-row-meta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex: 0 0 auto;
}

.member-unread-badge,
.member-direct-unread-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    color: #0b4a63;
    background: rgba(56, 189, 248, 0.18);
    border: 1px solid rgba(56, 189, 248, 0.35);
}

.member-unread-badge[hidden],
.member-direct-unread-badge[hidden] {
    display: none !important;
}

.js-member-ann-open.is-unread .member-announcement-title-preview {
    font-weight: 800;
}

.js-member-dm-open.is-unread .member-announcement-title-preview {
    font-weight: 800;
}

#memberAnnouncementModal .modal-title {
    word-break: break-word;
    line-height: 1.35;
}

.member-announcement-modal-meta {
    font-size: 12px;
    color: var(--color-muted);
    padding: 0 4px 10px;
    margin: -4px 0 0;
}

.member-announcement-modal-body {
    padding-top: 4px;
}

.member-announcement-modal-text {
    white-space: pre-wrap;
    word-break: break-word;
}

.member-announcement-item {
    padding: 16px 18px;
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
}

.member-announcement-date {
    font-size: 12px;
    color: var(--color-muted);
    margin-bottom: 0;
}

.member-announcement-title {
    margin: 0 0 10px;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text, #0f172a);
    line-height: 1.4;
}

.member-announcement-body {
    margin: 0;
    font-size: 14px;
    line-height: 1.65;
    color: var(--color-text, #1f2937);
    word-break: break-word;
}

/* 管理画面：ON/OFF スイッチ（会員お知らせの公開など） */
.form-hint-muted {
    margin: 8px 0 0;
    font-size: 12px;
    color: var(--color-muted);
    line-height: 1.55;
}

.io-switch-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 4px;
}

.io-switch-row--compact {
    gap: 8px;
    margin-top: 0;
}

.io-switch-caption {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-muted);
    transition: color 0.15s ease;
    user-select: none;
}

.io-switch-row:has(.io-switch input[type="checkbox"]:checked) .io-switch-caption--on {
    color: var(--color-primary);
}

.io-switch-row:has(.io-switch input[type="checkbox"]:checked) .io-switch-caption--off {
    color: #cbd5e1;
}

.io-switch-row:has(.io-switch input[type="checkbox"]:not(:checked)) .io-switch-caption--off {
    color: #64748b;
}

.io-switch-row:has(.io-switch input[type="checkbox"]:not(:checked)) .io-switch-caption--on {
    color: #cbd5e1;
}

.io-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
    flex-shrink: 0;
    cursor: pointer;
    vertical-align: middle;
}

.io-switch input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    cursor: pointer;
    z-index: 2;
}

.io-switch-track {
    position: absolute;
    inset: 0;
    background: #cbd5e1;
    border-radius: 999px;
    transition: background 0.2s ease;
    pointer-events: none;
}

.io-switch-track::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.2s ease;
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.2);
}

.io-switch input[type="checkbox"]:checked + .io-switch-track {
    background: linear-gradient(135deg, #1f7aa8, #2b9e83);
}

.io-switch input[type="checkbox"]:checked + .io-switch-track::after {
    transform: translateX(22px);
}