:root {
            --bg: #0a0a0a;
            --bg-card: #111;
            --bg-card2: #161616;
            --border: #222;
            --border-hover: #333;
            --text: #e8e8e8;
            --text-muted: #888;
            --text-dim: #555;
            --accent: #d4a84a;
            --accent-dim: rgba(212, 168, 74, 0.12);
            --accent-border: rgba(212, 168, 74, 0.3);
            --danger: #ff4d4f;
            --success: #22c55e;
            --radius: 10px;
            --radius-sm: 6px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', 'Noto Sans JP', -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            min-height: 100vh;
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 24px;
            background: rgba(10, 10, 10, 0.95);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .nav-brand {
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 700;
            font-size: 16px;
            letter-spacing: 1px;
            color: var(--accent);
            text-decoration: none;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .nav-link {
            font-size: 13px;
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.2s;
        }

        .nav-link:hover {
            color: var(--accent);
        }

        .main {
            max-width: 1400px;
            margin: 0 auto;
            padding: 16px 20px 60px;
        }

        .page-title {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .grid {
            display: grid;
            grid-template-columns: 260px 0.85fr 400px;
            gap: 20px;
            align-items: start;
        }

        @media (max-width: 1024px) {
            .grid {
                grid-template-columns: 260px 1fr;
            }

            .col-messages {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .grid {
                grid-template-columns: 1fr;
            }

            .col-messages {
                position: static;
                max-height: none;
            }
        }

        .col-messages {
            position: sticky;
            top: 80px;
            max-height: calc(100vh - 100px);
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: rgba(212, 168, 74, 0.3) transparent;
        }

        .col-messages::-webkit-scrollbar {
            width: 4px;
        }

        .col-messages::-webkit-scrollbar-track {
            background: transparent;
        }

        .col-messages::-webkit-scrollbar-thumb {
            background: rgba(212, 168, 74, 0.25);
            border-radius: 4px;
        }

        .col-messages::-webkit-scrollbar-thumb:hover {
            background: rgba(212, 168, 74, 0.5);
        }

        /* Profile Card */
        /* ===== Pitch Application Section ===== */
        .pitch-app-section {
            margin-bottom: 24px;
        }

        .pitch-app-section-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .pitch-app-card {
            background: var(--bg-card);
            border: 2px solid rgba(212, 168, 74, 0.3);
            border-radius: var(--radius);
            padding: 20px;
            margin-bottom: 12px;
        }

        .pitch-app-status {
            display: inline-block;
            padding: 3px 10px;
            font-size: 10px;
            font-weight: 700;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .pitch-status-pending {
            background: rgba(212, 168, 74, 0.15);
            color: var(--accent);
        }

        .pitch-status-confirmed {
            background: rgba(34, 197, 94, 0.15);
            color: var(--success);
        }

        .pitch-status-rejected {
            background: rgba(239, 68, 68, 0.15);
            color: var(--danger);
        }

        .pitch-status-completed {
            background: rgba(136, 136, 136, 0.15);
            color: var(--text-muted);
        }

        .pitch-status-entry_submitted {
            background: rgba(100, 149, 237, 0.15);
            color: #6495ed;
        }

        .pitch-cta {
            margin-top: 16px;
            padding: 16px;
            background: linear-gradient(135deg, rgba(212, 168, 74, 0.08), rgba(212, 168, 74, 0.02));
            border: 1px solid rgba(212, 168, 74, 0.25);
            border-radius: var(--radius-sm);
            text-align: center;
        }

        .pitch-cta p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .pitch-app-info {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            margin-top: 14px;
        }

        .pitch-info-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px;
        }

        .pitch-info-label {
            font-size: 10px;
            color: var(--text-dim);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 3px;
            font-weight: 600;
        }

        .pitch-info-value {
            font-size: 13px;
            color: var(--text);
        }

        .btn-pitch-entry {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: linear-gradient(135deg, var(--accent), #e8b84a);
            color: #000;
            font-size: 14px;
            font-weight: 700;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            text-decoration: none;
            transition: all 0.2s;
        }

        .btn-pitch-entry:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(212, 168, 74, 0.3);
        }

        .pitch-app-actions {
            display: flex;
            gap: 8px;
            margin-top: 14px;
        }

        .btn-pitch-change {
            flex: 1;
            padding: 8px;
            font-size: 12px;
            font-weight: 600;
            border: 1px solid var(--border);
            background: transparent;
            color: var(--text-muted);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all 0.2s;
        }

        .btn-pitch-change:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .btn-pitch-cancel {
            flex: 1;
            padding: 8px;
            font-size: 12px;
            font-weight: 600;
            border: 1px solid rgba(239, 68, 68, 0.3);
            background: transparent;
            color: var(--danger);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all 0.2s;
        }

        .btn-pitch-cancel:hover {
            background: rgba(239, 68, 68, 0.08);
        }

        /* ===== Speaker Section ===== */
        .speaker-section {
            display: none;
            margin-bottom: 24px;
        }

        .speaker-section.show {
            display: block;
        }

        .speaker-section-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .speaker-entry-card {
            background: var(--bg-card);
            border: 2px solid rgba(212, 168, 74, 0.5);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color 0.2s;
        }

        .speaker-entry-card:hover {
            border-color: var(--accent);
        }

        .speaker-entry-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            gap: 12px;
        }

        .speaker-entry-header-left {
            display: flex;
            align-items: center;
            gap: 12px;
            min-width: 0;
        }

        .speaker-entry-vol {
            font-size: 15px;
            font-weight: 700;
            white-space: nowrap;
        }

        .speaker-entry-date {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .speaker-status-badge {
            display: inline-block;
            padding: 3px 10px;
            font-size: 10px;
            font-weight: 700;
            border-radius: 20px;
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .status-pending {
            background: rgba(212, 168, 74, 0.15);
            color: var(--accent);
        }

        .status-approved {
            background: rgba(34, 197, 94, 0.15);
            color: var(--success);
        }

        .status-completed {
            background: rgba(136, 136, 136, 0.15);
            color: var(--text-muted);
        }

        .speaker-entry-toggle {
            font-size: 12px;
            color: var(--text-dim);
            transition: transform 0.3s;
        }

        .speaker-entry-toggle.open {
            transform: rotate(180deg);
        }

        .speaker-entry-body {
            display: none;
            padding: 0 20px 20px;
            border-top: 1px solid var(--border);
        }

        .speaker-entry-body.open {
            display: block;
        }

        .speaker-info-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-top: 16px;
        }

        @media (max-width: 600px) {
            .speaker-info-grid {
                grid-template-columns: 1fr;
            }
        }

        .speaker-info-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px;
        }

        .speaker-info-label {
            font-size: 10px;
            color: var(--text-dim);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 4px;
            font-weight: 600;
        }

        .speaker-info-value {
            font-size: 13px;
            color: var(--text);
            line-height: 1.5;
        }

        .speaker-info-value a {
            color: var(--accent);
            text-decoration: none;
        }

        .speaker-info-value a:hover {
            text-decoration: underline;
        }

        .speaker-summary-text {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text);
            margin-top: 12px;
            padding: 14px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
        }

        .speaker-zoom-box {
            margin-top: 12px;
            padding: 14px;
            background: rgba(34, 197, 94, 0.06);
            border: 1px solid rgba(34, 197, 94, 0.2);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .speaker-zoom-box a {
            color: var(--success);
            font-size: 13px;
            font-weight: 600;
            text-decoration: none;
            word-break: break-all;
        }

        .speaker-zoom-box a:hover {
            text-decoration: underline;
        }

        .speaker-zoom-copy {
            background: none;
            border: 1px solid rgba(34, 197, 94, 0.3);
            color: var(--success);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 11px;
            cursor: pointer;
            white-space: nowrap;
            transition: all 0.2s;
        }

        .speaker-zoom-copy:hover {
            background: rgba(34, 197, 94, 0.1);
        }

        .btn-speaker-entry {
            display: inline-block;
            margin-top: 12px;
            padding: 10px 20px;
            font-size: 13px;
            font-weight: 600;
            background: var(--accent);
            color: #000;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            text-decoration: none;
            transition: opacity 0.2s;
        }

        .btn-speaker-entry:hover {
            opacity: 0.85;
        }

        .btn-speaker-edit {
            display: inline-block;
            padding: 8px 16px;
            font-size: 12px;
            font-weight: 600;
            background: none;
            color: var(--text-muted);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all 0.2s;
        }

        .btn-speaker-edit:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .speaker-entry-cta {
            text-align: center;
            padding: 24px;
            background: var(--bg-card);
            border: 1px dashed var(--border);
            border-radius: var(--radius);
            margin-top: 12px;
        }

        .speaker-entry-cta p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        /* Speaker Edit Modal */
        .speaker-edit-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.7);
            z-index: 1000;
            align-items: center;
            justify-content: center;
            -webkit-backdrop-filter: blur(4px);
            backdrop-filter: blur(4px);
        }

        .speaker-edit-overlay.show {
            display: flex;
        }

        .speaker-edit-modal {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            width: 90%;
            max-width: 640px;
            max-height: 80vh;
            overflow-y: auto;
        }

        .speaker-edit-modal .edit-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .speaker-edit-modal .form-group {
            margin-bottom: 16px;
        }

        .speaker-edit-modal .form-label {
            display: block;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-muted);
            margin-bottom: 6px;
        }

        .speaker-edit-modal .form-input,
        .speaker-edit-modal .form-textarea {
            width: 100%;
            padding: 10px 14px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--text);
            font-size: 14px;
            font-family: inherit;
            box-sizing: border-box;
        }

        .speaker-edit-modal .form-textarea {
            min-height: 100px;
            resize: vertical;
        }

        .speaker-edit-modal .form-input:focus,
        .speaker-edit-modal .form-textarea:focus {
            outline: none;
            border-color: var(--accent);
        }

        .speaker-edit-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        @media (max-width: 600px) {
            .speaker-edit-row {
                grid-template-columns: 1fr;
            }
        }

        .speaker-edit-actions {
            display: flex;
            gap: 12px;
            margin-top: 20px;
        }

        .speaker-edit-actions .btn-save {
            flex: 1;
            padding: 12px;
            background: var(--accent);
            color: #000;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 700;
            cursor: pointer;
        }

        .speaker-edit-actions .btn-cancel {
            padding: 12px 20px;
            background: none;
            color: var(--text-muted);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            cursor: pointer;
        }

        /* === Reactions Section === */
        .reactions-section {
            margin-top: 6px;
            padding-top: 0;
        }

        .reactions-title {
            font-size: 11px;
            font-weight: 700;
            color: var(--text-muted);
            margin-bottom: 6px;
        }

        .reactions-summary {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }

        .reaction-badge {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            border-radius: 14px;
            font-size: 11px;
            cursor: pointer;
            transition: all 0.2s;
        }

        .reaction-badge:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--accent);
        }

        .reaction-badge.active {
            background: rgba(0, 255, 136, 0.08);
            border-color: var(--accent);
        }

        .reaction-badge .count {
            font-weight: 700;
            color: var(--accent);
        }

        .reaction-detail {
            display: none;
            margin-top: 8px;
            padding: 12px;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            max-height: 300px;
            overflow-y: auto;
        }

        .reaction-detail.show {
            display: block;
        }

        .reaction-item {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .reaction-item:last-child {
            border-bottom: none;
        }

        .reaction-item-name {
            font-size: 13px;
            font-weight: 600;
        }

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

        .reaction-item-date {
            font-size: 11px;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .comment-text {
            font-size: 13px;
            margin-top: 4px;
            padding: 8px 12px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 8px;
            line-height: 1.5;
            white-space: pre-wrap;
        }

        .meeting-message {
            font-size: 12px;
            margin-top: 4px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .meeting-actions {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }

        .btn-accept {
            padding: 5px 14px;
            background: var(--accent);
            color: #000;
            border: none;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 700;
            cursor: pointer;
        }

        .btn-decline {
            padding: 5px 14px;
            background: none;
            color: #e05555;
            border: 1px solid rgba(220, 50, 50, 0.4);
            border-radius: 6px;
            font-size: 12px;
            cursor: pointer;
        }

        .meeting-status-badge {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 10px;
            font-size: 11px;
            font-weight: 600;
        }

        .meeting-status-badge.accepted {
            background: rgba(0, 255, 136, 0.12);
            color: var(--accent);
        }

        .meeting-status-badge.declined {
            background: rgba(220, 50, 50, 0.12);
            color: #e05555;
        }

        .meeting-status-badge.pending {
            background: rgba(255, 200, 0, 0.12);
            color: #ffc800;
        }

        .reaction-empty {
            font-size: 13px;
            color: var(--text-muted);
            text-align: center;
            padding: 16px;
        }

        /* === Chat Messages Section === */
        .messages-section {
            margin-top: 24px;
        }

        /* ===== MOBILE RESPONSIVE (480px) ===== */
        @media (max-width: 480px) {
            .navbar {
                padding: 12px 14px;
            }

            .nav-brand {
                font-size: 13px;
            }

            .nav-links {
                gap: 10px;
            }

            .nav-link {
                font-size: 11px;
            }

            .main {
                padding: 12px 12px 40px;
            }

            .page-title {
                font-size: 18px;
            }

            /* Profile card — no sticky on mobile */
        /* ===== 翻訳時のレイアウト崩れ防止 ===== */
        body,
        .main,
        .grid {
            overflow-wrap: break-word;
            word-break: break-word;
        }

        /* ===== スマホ追加改善 (375px) ===== */
        @media (max-width: 375px) {
            .main {
                padding: 8px 8px 40px;
            }
        }