:root {
            --bg: #0d0d0d;
            --bg2: #141414;
            --bg3: #1c1c1c;
            --border: #2a2a2a;
            --border2: #333;
            --accent: #00e5ff;
            --accent2: #ff4d6d;
            --accent3: #b8ff65;
            --text: #f0f0f0;
            --muted: #555;
            --muted2: #888;
            --dot-color: rgba(255, 255, 255, 0.065);
            --dot-size: 22px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg);
            background-image: radial-gradient(circle, var(--dot-color) 1.3px, transparent 1.3px);
            background-size: var(--dot-size) var(--dot-size);
            color: var(--text);
            font-family: 'Noto Sans JP', sans-serif;
            font-weight: 300;
            overflow-x: hidden;
        }

        /* ===== NAV ===== */
        .site-nav {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(13, 13, 13, 0.9);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            padding: 0.85rem 0;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            font-family: 'DM Mono', monospace;
            font-size: 1.1rem;
            font-weight: 500;
            color: var(--text);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.45rem;
        }

        .logo-dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            animation: blink 2.5s infinite;
        }

        .logo span {
            color: var(--accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.6rem;
            list-style: none;
        }

        .nav-links a {
            font-family: 'DM Mono', monospace;
            font-size: 0.78rem;
            color: var(--muted2);
            text-decoration: none;
            letter-spacing: 0.06em;
            transition: color 0.2s;
        }

        .nav-links a:hover {
            color: var(--text);
        }

        .nav-cta {
            color: var(--accent) !important;
            border: 1px solid var(--accent) !important;
            padding: 0.3rem 0.85rem;
            border-radius: 4px;
            transition: all 0.2s !important;
        }

        .nav-cta:hover {
            background: var(--accent) !important;
            color: #000 !important;
        }

        /* ===== NAV USER ===== */
        .nav-user {
            display: flex;
            align-items: center;
        }

        .nav-login-btn {
            font-family: 'DM Mono', monospace;
            font-size: 0.73rem;
            letter-spacing: 0.04em;
            color: var(--text);
            border: 1px solid var(--border2);
            border-radius: 4px;
            padding: 0.3rem 0.85rem;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: border-color 0.2s, color 0.2s;
            white-space: nowrap;
        }

        .nav-login-btn:hover {
            border-color: var(--text);
            color: var(--text);
        }

        .google-icon {
            width: 14px;
            height: 14px;
            flex-shrink: 0;
        }

        .nav-user-dropdown {
            position: relative;
        }

        .nav-avatar-btn {
            background: transparent;
            border: none;
            padding: 0;
            cursor: pointer;
            display: flex;
            align-items: center;
            border-radius: 50%;
        }

        .nav-avatar-btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .nav-avatar {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            border: 1px solid var(--border2);
            object-fit: cover;
            display: block;
        }

        .nav-avatar-placeholder {
            font-size: 1.1rem;
            color: var(--muted2);
            line-height: 1;
        }

        .nav-dropdown-menu {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            background: var(--card);
            border: 1px solid var(--border2);
            border-radius: 6px;
            padding: 0.65rem 0.85rem;
            min-width: 160px;
            flex-direction: column;
            gap: 0.55rem;
            box-shadow: 0 4px 16px rgba(0,0,0,0.18);
            z-index: 999;
        }

        .nav-dropdown-menu.is-open {
            display: flex;
        }

        .nav-dropdown-username {
            font-family: 'DM Mono', monospace;
            font-size: 0.72rem;
            color: var(--text);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .nav-logout-btn {
            font-family: 'DM Mono', monospace;
            font-size: 0.65rem;
            color: var(--muted);
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 3px;
            padding: 0.18rem 0.55rem;
            cursor: pointer;
            transition: color 0.2s, border-color 0.2s;
            align-self: flex-start;
        }

        .nav-logout-btn:hover {
            color: var(--text);
            border-color: var(--muted2);
        }

        /* ===== HERO ===== */
        .hero {
            padding: 6.5rem 0 5rem;
            position: relative;
            overflow: hidden;
        }

        .dot-cluster {
            position: absolute;
            pointer-events: none;
        }

        .dot-cluster svg circle {
            fill: var(--accent);
        }

        .dot-cluster-tl {
            top: 1.5rem;
            left: 0;
            opacity: 0.15;
        }

        .dot-cluster-br {
            bottom: 1rem;
            right: 0;
            opacity: 0.15;
        }

        .hero-eyebrow {
            font-family: 'DM Mono', monospace;
            font-size: 0.72rem;
            color: var(--accent);
            letter-spacing: 0.14em;
            margin-bottom: 1.4rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            animation: fadeUp 0.5s ease both;
        }

        .hero-eyebrow::before {
            content: '';
            width: 22px;
            height: 1px;
            background: var(--accent);
            display: block;
        }

        .hero h1 {
            font-family: 'Noto Sans JP', sans-serif;
            font-weight: 700;
            font-size: clamp(2.2rem, 5.5vw, 3.6rem);
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 1.4rem;
            animation: fadeUp 0.5s 0.08s ease both;
        }

        .hero h1 em {
            font-style: normal;
            color: var(--accent);
            position: relative;
        }

        .hero h1 em::after {
            content: '· · · · ·';
            position: absolute;
            bottom: -0.5rem;
            left: 0;
            font-size: 0.45rem;
            letter-spacing: 0.35em;
            color: var(--accent);
            opacity: 0.45;
        }

        .hero-desc {
            font-size: 0.98rem;
            color: var(--muted2);
            line-height: 1.9;
            max-width: 460px;
            margin-bottom: 2.2rem;
            animation: fadeUp 0.5s 0.16s ease both;
        }

        .hero-btns {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            animation: fadeUp 0.5s 0.24s ease both;
        }

        .btn-accent {
            background: var(--accent);
            color: #000;
            font-family: 'DM Mono', monospace;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            padding: 0.68rem 1.6rem;
            border: none;
            border-radius: 4px;
            text-decoration: none;
            transition: all 0.2s;
            display: inline-block;
        }

        .btn-accent:hover {
            background: #33eaff;
            color: #000;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 229, 255, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--text);
            font-family: 'DM Mono', monospace;
            font-size: 0.8rem;
            letter-spacing: 0.04em;
            padding: 0.68rem 1.6rem;
            border: 1px solid var(--border2);
            border-radius: 4px;
            text-decoration: none;
            transition: all 0.2s;
            display: inline-block;
        }

        .btn-outline:hover {
            border-color: var(--text);
            color: var(--text);
        }

        /* Terminal */
        .hero-visual {
            animation: fadeUp 0.5s 0.32s ease both;
        }

        .terminal-card {
            background: var(--bg2);
            border: 1px solid var(--border2);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55);
        }

        .terminal-bar {
            background: var(--bg3);
            border-bottom: 1px solid var(--border);
            padding: 0.6rem 1rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .t-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }

        .t-dot-r {
            background: #ff5f57;
        }

        .t-dot-y {
            background: #febc2e;
        }

        .t-dot-g {
            background: #28c840;
        }

        .terminal-label {
            font-family: 'DM Mono', monospace;
            font-size: 0.68rem;
            color: var(--muted);
            margin-left: auto;
        }

        .terminal-body {
            padding: 1.4rem;
        }

        .prompt-line {
            font-family: 'DM Mono', monospace;
            font-size: 0.77rem;
            line-height: 1.9;
            color: var(--muted2);
        }

        .hl-c {
            color: var(--accent);
        }

        .hl-g {
            color: var(--accent3);
        }

        .hl-r {
            color: var(--accent2);
        }

        .hl-w {
            color: var(--text);
        }

        .copy-bar {
            border-top: 1px solid var(--border);
            padding: 0.55rem 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .copy-label {
            font-family: 'DM Mono', monospace;
            font-size: 0.68rem;
            color: var(--muted);
        }

        .copy-btn-sm {
            font-family: 'DM Mono', monospace;
            font-size: 0.68rem;
            color: var(--accent);
            background: rgba(0, 229, 255, 0.07);
            border: 1px solid rgba(0, 229, 255, 0.22);
            border-radius: 3px;
            padding: 0.18rem 0.65rem;
            cursor: pointer;
            transition: all 0.2s;
        }

        .copy-btn-sm:hover {
            background: rgba(0, 229, 255, 0.16);
        }

        /* ===== STATS ===== */
        .stats-bar {
            background: var(--bg2);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 0.9rem 0;
        }

        .stat-item {
            text-align: center;
            padding: 0.5rem 1rem;
            border-right: 1px solid var(--border);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-num {
            font-family: 'DM Mono', monospace;
            font-size: 1.4rem;
            font-weight: 500;
        }

        .stat-num span {
            color: var(--accent);
        }

        .stat-label {
            font-size: 0.7rem;
            color: var(--muted);
            letter-spacing: 0.05em;
            margin-top: 0.1rem;
        }

        /* ===== SEARCH ===== */
        .search-wrap {
            position: relative;
            max-width: 560px;
            margin: 0 auto;
        }

        .search-icon {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--muted);
            font-size: 0.88rem;
        }

        .search-input {
            width: 100%;
            background: var(--bg2);
            border: 1px solid var(--border2);
            border-radius: 5px;
            padding: 0.82rem 1rem 0.82rem 2.8rem;
            color: var(--text);
            font-family: 'DM Mono', monospace;
            font-size: 0.83rem;
            outline: none;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .search-input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.09);
        }

        .search-input::placeholder {
            color: var(--muted);
        }

        /* ===== TABS ===== */
        .tabs-wrap {
            overflow-x: auto;
            scrollbar-width: none;
        }

        .tabs-wrap::-webkit-scrollbar {
            display: none;
        }

        .tabs-inner {
            display: flex;
            gap: 0.4rem;
            white-space: nowrap;
        }

        .tab-btn {
            font-family: 'DM Mono', monospace;
            font-size: 0.73rem;
            letter-spacing: 0.04em;
            padding: 0.38rem 1rem;
            border-radius: 4px;
            border: 1px solid var(--border2);
            background: transparent;
            color: var(--muted2);
            cursor: pointer;
            transition: all 0.18s;
            white-space: nowrap;
        }

        .tab-btn:hover {
            border-color: var(--text);
            color: var(--text);
        }

        .tab-btn.active {
            background: var(--accent);
            border-color: var(--accent);
            color: #000;
            font-weight: 500;
        }

        /* ===== CARDS ===== */
        .prompt-card {
            background: var(--bg2);
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 1.3rem;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
            cursor: pointer;
            text-decoration: none;
            color: var(--text);
            position: relative;
            overflow: hidden;
        }

        /* カード内右下ドット装飾 */
        .prompt-card::after {
            content: '';
            position: absolute;
            bottom: -8px;
            right: -8px;
            width: 64px;
            height: 64px;
            background-image: radial-gradient(circle, rgba(255, 255, 255, 0.09) 1.2px, transparent 1.2px);
            background-size: 8px 8px;
            pointer-events: none;
        }

        .prompt-card:hover {
            border-color: var(--accent);
            color: var(--text);
            transform: translateY(-3px);
            box-shadow: 0 10px 36px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(0, 229, 255, 0.1);
        }

        .card-head {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            margin-bottom: 0.8rem;
            gap: 0.5rem;
        }

        .cat-tag {
            font-family: 'DM Mono', monospace;
            font-size: 0.63rem;
            letter-spacing: 0.08em;
            padding: 0.18rem 0.55rem;
            border-radius: 3px;
            border: 1px solid;
            white-space: nowrap;
        }

        .cat-work {
            color: #00e5ff;
            border-color: rgba(0, 229, 255, 0.3);
            background: rgba(0, 229, 255, 0.06);
        }

        .cat-write {
            color: #ff4d6d;
            border-color: rgba(255, 77, 109, 0.3);
            background: rgba(255, 77, 109, 0.06);
        }

        .cat-code {
            color: #b8ff65;
            border-color: rgba(184, 255, 101, 0.3);
            background: rgba(184, 255, 101, 0.06);
        }

        .cat-image {
            color: #ff9f43;
            border-color: rgba(255, 159, 67, 0.3);
            background: rgba(255, 159, 67, 0.06);
        }

        .cat-video {
            color: #a29bfe;
            border-color: rgba(162, 155, 254, 0.3);
            background: rgba(162, 155, 254, 0.06);
        }

        .cat-study {
            color: #da77ff;
            border-color: rgba(218, 119, 255, 0.3);
            background: rgba(218, 119, 255, 0.06);
        }

        /* ===== HEART BUTTON ===== */
        .heart-btn {
            display: flex;
            align-items: center;
            gap: 0.22rem;
            background: transparent;
            border: none;
            padding: 0.12rem 0.3rem;
            border-radius: 4px;
            cursor: pointer;
            color: var(--muted);
            font-size: 0.78rem;
            font-family: 'DM Mono', monospace;
            transition: color 0.2s, transform 0.15s;
            line-height: 1;
            flex-shrink: 0;
        }

        .heart-btn:hover {
            color: var(--accent2);
            transform: scale(1.15);
        }

        .heart-btn.is-favorited {
            color: var(--accent2);
        }

        .heart-count {
            font-size: 0.63rem;
        }

        .card-title {
            font-size: 0.9rem;
            font-weight: 500;
            line-height: 1.5;
            margin-bottom: 0.5rem;
        }

        .card-desc {
            font-size: 0.77rem;
            color: var(--muted2);
            line-height: 1.8;
            flex: 1;
            margin-bottom: 1rem;
        }

        .card-author {
            font-family: 'DM Mono', monospace;
            font-size: 0.63rem;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 0.3rem;
            margin-bottom: 0.75rem;
        }

        .card-foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
        }

        .model-tags {
            display: flex;
            gap: 0.3rem;
            flex-wrap: wrap;
        }

        .model-tag {
            font-family: 'DM Mono', monospace;
            font-size: 0.6rem;
            color: var(--muted);
            background: var(--bg3);
            border: 1px solid var(--border);
            border-radius: 3px;
            padding: 0.1rem 0.4rem;
        }

        .copy-hint {
            font-family: 'DM Mono', monospace;
            font-size: 0.63rem;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        /* ===== SECTION HEADER ===== */
        .section-head {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            margin-bottom: 1rem;
        }

        .section-label {
            font-family: 'DM Mono', monospace;
            font-size: 0.7rem;
            color: var(--muted);
            letter-spacing: 0.1em;
            display: flex;
            align-items: center;
            gap: 0.45rem;
        }

        .section-label::before {
            content: '';
            width: 4px;
            height: 4px;
            background: var(--accent);
            border-radius: 50%;
            display: block;
        }

        .section-more {
            font-family: 'DM Mono', monospace;
            font-size: 0.7rem;
            color: var(--muted2);
            text-decoration: none;
            transition: color 0.2s;
        }

        .section-more:hover {
            color: var(--accent);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg2);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 4.5rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle, rgba(0, 229, 255, 0.055) 1.2px, transparent 1.2px);
            background-size: 20px 20px;
            pointer-events: none;
        }

        .cta-section h2 {
            font-family: 'Noto Sans JP', sans-serif;
            font-weight: 700;
            font-size: 1.55rem;
            letter-spacing: -0.01em;
            margin-bottom: 0.6rem;
            position: relative;
        }

        .cta-section p {
            color: var(--muted2);
            font-size: 0.88rem;
            margin-bottom: 1.8rem;
            position: relative;
        }

        .cta-form {
            display: flex;
            gap: 0.6rem;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        .cta-input {
            background: var(--bg3);
            border: 1px solid var(--border2);
            border-radius: 4px;
            padding: 0.68rem 1.2rem;
            color: var(--text);
            font-family: 'DM Mono', monospace;
            font-size: 0.8rem;
            width: 280px;
            outline: none;
            transition: border-color 0.2s;
        }

        .cta-input:focus {
            border-color: var(--accent);
        }

        .cta-input::placeholder {
            color: var(--muted);
        }

        /* ===== FOOTER ===== */
        footer {
            padding: 2rem 0;
            border-top: 1px solid var(--border);
        }

        .footer-logo {
            font-family: 'DM Mono', monospace;
            font-size: 0.92rem;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin-bottom: 0.3rem;
        }

        .footer-copy {
            font-size: 0.73rem;
            color: var(--muted);
        }

        .footer-links {
            display: flex;
            gap: 1.4rem;
            justify-content: flex-end;
            flex-wrap: wrap;
        }

        .footer-links a {
            font-size: 0.73rem;
            color: var(--muted);
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: var(--text);
        }

        /* ===== ANIMATIONS ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(18px)
            }

            to {
                opacity: 1;
                transform: translateY(0)
            }
        }

        @keyframes blink {

            0%,
            100% {
                opacity: 1
            }

            50% {
                opacity: 0.2
            }
        }

        .reveal {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.5s ease, transform 0.5s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        #noResult {
            font-family: 'DM Mono', monospace;
            font-size: 0.83rem;
            color: var(--muted);
        }

        /* ===== PROMPT MODAL ===== */
        .prompt-modal-content {
            background: var(--bg2);
            border: 1px solid var(--border2);
            border-radius: 8px;
        }

        .prompt-modal-header {
            border-bottom: 1px solid var(--border);
            padding: 1.1rem 1.4rem;
        }

        .prompt-modal-title {
            font-family: 'Noto Sans JP', sans-serif;
            font-size: 0.95rem;
            font-weight: 500;
            margin: 0;
            color: var(--text);
        }

        .prompt-modal-body {
            padding: 1.4rem;
        }

        .prompt-text-wrap {
            position: relative;
            background: var(--bg3);
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 1.2rem;
            margin-bottom: 1rem;
        }

        .prompt-text-wrap .copy-btn-sm {
            position: absolute;
            top: 0.75rem;
            right: 0.75rem;
        }

        .prompt-full-text {
            font-family: 'DM Mono', monospace;
            font-size: 0.8rem;
            line-height: 1.85;
            color: var(--text);
            white-space: pre-wrap;
            word-break: break-word;
            margin: 0;
            padding-right: 5.5rem;
        }

        .modal-model-tags {
            display: flex;
            gap: 0.3rem;
            flex-wrap: wrap;
        }

        @media(max-width:768px) {
            .hero {
                padding: 4rem 0 3rem;
            }

            .hero-visual {
                margin-top: 2.5rem;
            }

            .nav-links {
                display: none;
            }

            .footer-links {
                justify-content: flex-start;
                margin-top: 1rem;
            }

            .stat-item {
                border-right: none;
                border-bottom: 1px solid var(--border);
            }

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

        /* ===== 投稿ボタン（ナビ） ===== */
        .nav-post-btn {
            font-family: 'DM Mono', monospace;
            font-size: 0.7rem;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 4px;
            background: var(--accent);
            color: #000;
            border: none;
            cursor: pointer;
            transition: background 0.2s, transform 0.2s;
            white-space: nowrap;
        }
        .nav-post-btn:hover {
            background: #33eaff;
            transform: translateY(-1px);
        }

        /* ===== 投稿フォーム ===== */
        .post-form-group { margin-bottom: 1.1rem; }

        .post-form-label {
            display: block;
            font-size: 0.75rem;
            font-family: 'DM Mono', monospace;
            color: var(--muted2);
            margin-bottom: 6px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .post-required { color: var(--accent2); }

        .post-form-input,
        .post-form-select {
            width: 100%;
            background: var(--bg3);
            border: 1px solid var(--border2);
            border-radius: 4px;
            color: var(--text);
            font-size: 0.9rem;
            padding: 8px 12px;
            transition: border-color 0.2s;
            font-family: 'Noto Sans JP', sans-serif;
        }
        .post-form-input:focus,
        .post-form-select:focus {
            outline: none;
            border-color: var(--accent);
        }
        .post-form-input.is-invalid,
        .post-form-select.is-invalid { border-color: var(--accent2); }

        .post-form-textarea-sm { resize: vertical; min-height: 60px; }
        .post-form-textarea-lg { resize: vertical; min-height: 140px; }

        .post-form-feedback {
            font-size: 0.75rem;
            color: var(--accent2);
            margin-top: 4px;
            min-height: 1em;
        }

        /* モデル選択ピル */
        .post-model-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .post-model-pill {
            display: flex;
            align-items: center;
            gap: 5px;
            padding: 4px 12px;
            border: 1px solid var(--border2);
            border-radius: 20px;
            font-size: 0.75rem;
            font-family: 'DM Mono', monospace;
            color: var(--muted2);
            cursor: pointer;
            transition: border-color 0.15s, color 0.15s, background 0.15s;
            user-select: none;
        }
        .post-model-pill input[type="checkbox"] { display: none; }
        .post-model-pill:has(input:checked) {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(0, 229, 255, 0.08);
        }

        /* エラーバナー */
        .post-form-error {
            background: rgba(255, 77, 109, 0.12);
            border: 1px solid var(--accent2);
            border-radius: 4px;
            color: var(--accent2);
            font-size: 0.82rem;
            padding: 10px 14px;
            margin-top: 0.5rem;
        }

        /* モーダルフッター */
        .prompt-modal-footer {
            border-top: 1px solid var(--border);
            padding: 12px 20px;
            display: flex;
            gap: 8px;
            justify-content: flex-end;
            background: var(--bg2);
            border-radius: 0 0 12px 12px;
        }

        /* ===== マイページボタン（ドロップダウン内） ===== */
        .nav-mypage-btn {
            font-family: 'DM Mono', monospace;
            font-size: 0.65rem;
            color: var(--muted2);
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 3px;
            padding: 0.18rem 0.55rem;
            cursor: pointer;
            transition: color 0.2s, border-color 0.2s;
            align-self: flex-start;
            text-align: left;
        }

        .nav-mypage-btn:hover {
            color: var(--text);
            border-color: var(--muted2);
        }

        /* ===== マイページモーダル ===== */
        .mypage-tabs {
            display: flex;
            gap: 0.4rem;
            border-bottom: 1px solid var(--border);
            padding-bottom: 0.85rem;
        }

        .mypage-tab-btn {
            font-family: 'DM Mono', monospace;
            font-size: 0.73rem;
            letter-spacing: 0.04em;
            padding: 0.38rem 1rem;
            border-radius: 4px;
            border: 1px solid var(--border2);
            background: transparent;
            color: var(--muted2);
            cursor: pointer;
            transition: all 0.18s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .mypage-tab-btn:hover {
            border-color: var(--text);
            color: var(--text);
        }

        .mypage-tab-btn.active {
            background: var(--accent);
            border-color: var(--accent);
            color: #000;
            font-weight: 500;
        }