:root {
            --paper: #FFFFF0;
            --ink: #2C2C2C;
            --red-ink: #CC0000;
            --correction-white: #F5F5F5;
            --ribbon-blue: #003366;
            --aged-yellow: #FFF8DC;
            --margin-red: #CC6666;
            --paper-shadow: rgba(0, 0, 0, 0.1);
            --typewriter-font: 'Special Elite', cursive;
            --body-font: 'Noto Sans KR', sans-serif;
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--body-font);
            background-color: #E8E0D4;
            color: var(--ink);
            line-height: 1.8;
            overflow-x: hidden;
        }

        /* Paper texture background */
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                radial-gradient(ellipse at 20% 50%, rgba(255, 248, 220, 0.3) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(255, 255, 240, 0.2) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 1.5rem;
            position: relative;
            z-index: 1;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background-color: var(--paper);
            border-bottom: 2px solid var(--ink);
            padding: 0.8rem 0;
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 12px var(--paper-shadow);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .logo {
            font-family: var(--typewriter-font);
            font-size: 1.5rem;
            color: var(--ink);
            text-decoration: none;
            letter-spacing: 2px;
            position: relative;
        }

        .logo::after {
            content: '|';
            animation: blink 1s step-end infinite;
            margin-left: 2px;
            color: var(--ink);
        }

        @keyframes blink {
            0%, 50% { opacity: 1; }
            51%, 100% { opacity: 0; }
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }

        .nav-menu a {
            font-family: var(--typewriter-font);
            font-size: 0.9rem;
            color: var(--ink);
            text-decoration: none;
            letter-spacing: 1px;
            position: relative;
            transition: color 0.3s ease;
        }

        .nav-menu a:hover {
            color: var(--red-ink);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 1px;
            background-color: var(--red-ink);
            transition: width 0.3s ease;
        }

        .nav-menu a:hover::after {
            width: 100%;
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 0.5rem;
            background: none;
            border: none;
        }

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--ink);
            transition: all 0.3s ease;
        }

        .mobile-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Hero Section */
        .hero-section {
            padding-top: 8rem;
            padding-bottom: 5rem;
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
        }

        .hero-paper {
            background-color: var(--paper);
            border: 1px solid #D4C5A9;
            padding: 4rem 5rem;
            position: relative;
            box-shadow: 3px 3px 10px var(--paper-shadow);
            max-width: 800px;
            margin: 0 auto;
        }

        /* Paper margin lines */
        .hero-paper::before {
            content: '';
            position: absolute;
            top: 0;
            left: 4rem;
            width: 1px;
            height: 100%;
            background-color: var(--margin-red);
            opacity: 0.6;
        }

        .hero-paper::after {
            content: '';
            position: absolute;
            top: 0;
            left: 4.2rem;
            width: 1px;
            height: 100%;
            background-color: var(--margin-red);
            opacity: 0.4;
        }

        .paper-lines {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: repeating-linear-gradient(
                transparent,
                transparent 1.75rem,
                #C8D8E8 1.75rem,
                #C8D8E8 calc(1.75rem + 1px)
            );
            opacity: 0.3;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding-left: 2rem;
        }

        .hero-title {
            font-family: var(--typewriter-font);
            font-size: clamp(2rem, 5vw, 3.5rem);
            color: var(--ink);
            margin-bottom: 1.5rem;
            line-height: 1.4;
            letter-spacing: 2px;
        }

        .typing-cursor {
            display: inline-block;
            width: 3px;
            height: 1em;
            background-color: var(--ink);
            margin-left: 4px;
            animation: blink 0.8s step-end infinite;
            vertical-align: text-bottom;
        }

        .hero-subtitle {
            font-family: var(--typewriter-font);
            font-size: 1.1rem;
            color: var(--ink);
            opacity: 0.8;
            margin-bottom: 1rem;
            position: relative;
        }

        .strikethrough {
            text-decoration: line-through;
            opacity: 0.5;
            margin-right: 0.5rem;
        }

        .draft-stamp {
            position: absolute;
            top: 2rem;
            right: 3rem;
            font-family: var(--typewriter-font);
            font-size: 3rem;
            color: var(--red-ink);
            opacity: 0.3;
            transform: rotate(-15deg);
            border: 4px solid var(--red-ink);
            padding: 0.3rem 1.5rem;
            letter-spacing: 8px;
            font-weight: bold;
            z-index: 3;
        }

        .hero-date {
            font-family: var(--typewriter-font);
            font-size: 0.85rem;
            color: var(--ink);
            opacity: 0.6;
            margin-top: 2rem;
            text-align: right;
        }

        /* Features Section */
        .features-section {
            padding: 5rem 0;
        }

        .section-title {
            font-family: var(--typewriter-font);
            font-size: 1.8rem;
            color: var(--ink);
            text-align: center;
            margin-bottom: 3rem;
            text-transform: uppercase;
            letter-spacing: 4px;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 2px;
            background-color: var(--ink);
            margin: 0.8rem auto 0;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2.5rem;
        }

        .feature-card {
            background-color: var(--paper);
            border: 1px solid #D4C5A9;
            padding: 2rem 1.8rem;
            position: relative;
            box-shadow: 2px 2px 8px var(--paper-shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            opacity: 0;
            transform: translateY(30px);
        }

        .feature-card.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .feature-card:nth-child(1) {
            transform: rotate(-1deg) translateY(30px);
        }

        .feature-card:nth-child(1).visible {
            transform: rotate(-1deg) translateY(0);
        }

        .feature-card:nth-child(2) {
            transform: rotate(0.5deg) translateY(30px);
        }

        .feature-card:nth-child(2).visible {
            transform: rotate(0.5deg) translateY(0);
        }

        .feature-card:nth-child(3) {
            transform: rotate(0.8deg) translateY(30px);
        }

        .feature-card:nth-child(3).visible {
            transform: rotate(0.8deg) translateY(0);
        }

        .feature-card:nth-child(4) {
            transform: rotate(-0.5deg) translateY(30px);
        }

        .feature-card:nth-child(4).visible {
            transform: rotate(-0.5deg) translateY(0);
        }

        .feature-card:hover {
            box-shadow: 4px 4px 16px var(--paper-shadow);
        }

        /* Paper clip decoration */
        .feature-card::before {
            content: '';
            position: absolute;
            top: -8px;
            right: 20px;
            width: 20px;
            height: 50px;
            border: 2px solid #999;
            border-radius: 10px 10px 0 0;
            border-bottom: none;
            background: transparent;
        }

        .feature-card::after {
            content: '';
            position: absolute;
            top: -4px;
            right: 24px;
            width: 12px;
            height: 30px;
            border: 2px solid #999;
            border-radius: 6px 6px 0 0;
            border-bottom: none;
            background-color: var(--paper);
        }

        .feature-number {
            font-family: var(--typewriter-font);
            font-size: 2.5rem;
            color: var(--ribbon-blue);
            opacity: 0.3;
            position: absolute;
            top: 0.5rem;
            left: 1rem;
        }

        .feature-title {
            font-family: var(--typewriter-font);
            font-size: 1.2rem;
            color: var(--ink);
            margin-bottom: 1rem;
            padding-top: 1.5rem;
            letter-spacing: 1px;
            border-bottom: 1px dashed var(--ink);
            padding-bottom: 0.5rem;
        }

        .feature-desc {
            font-size: 0.95rem;
            color: var(--ink);
            opacity: 0.8;
            line-height: 1.9;
        }

        /* Board Section */
        .board-section {
            padding: 5rem 0;
        }

        .board-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }

        .board-card {
            background-color: var(--paper);
            border: 1px solid #D4C5A9;
            padding: 2rem;
            box-shadow: 2px 2px 8px var(--paper-shadow);
            position: relative;
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.6s ease;
        }

        .board-card.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Typed document header lines */
        .board-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background-color: var(--ink);
        }

        .board-header {
            font-family: var(--typewriter-font);
            font-size: 1rem;
            color: var(--ink);
            text-transform: uppercase;
            letter-spacing: 3px;
            text-decoration: underline;
            text-underline-offset: 4px;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .board-header .more-link {
            font-family: var(--typewriter-font);
            font-size: 0.75rem;
            color: var(--ribbon-blue);
            text-decoration: none;
            letter-spacing: 1px;
        }

        .board-list {
            list-style: none;
        }

        .board-list li {
            padding: 0.6rem 0;
            border-bottom: 1px dotted #CCC;
            display: flex;
            align-items: flex-start;
            gap: 0.8rem;
            font-size: 0.9rem;
            transition: color 0.3s ease;
            cursor: pointer;
        }

        .board-list li:hover {
            color: var(--ribbon-blue);
        }

        .board-list li:last-child {
            border-bottom: none;
        }

        .board-list .item-number {
            font-family: 'Courier New', monospace;
            font-size: 0.8rem;
            color: var(--ink);
            opacity: 0.5;
            min-width: 2rem;
            text-align: right;
        }

        .board-list .item-title {
            flex: 1;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .board-list .item-date {
            font-family: 'Courier New', monospace;
            font-size: 0.75rem;
            color: var(--ink);
            opacity: 0.5;
            white-space: nowrap;
        }

        /* Stats Section */
        .stats-section {
            padding: 5rem 0;
        }

        .stats-paper {
            background-color: var(--paper);
            border: 1px solid #D4C5A9;
            padding: 3rem;
            box-shadow: 3px 3px 10px var(--paper-shadow);
            position: relative;
        }

        .stats-paper::before {
            content: '';
            position: absolute;
            top: 0;
            left: 3rem;
            width: 1px;
            height: 100%;
            background-color: var(--margin-red);
            opacity: 0.5;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            padding-left: 2rem;
        }

        .stat-item {
            text-align: center;
            position: relative;
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.6s ease;
        }

        .stat-item.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .stat-number {
            font-family: var(--typewriter-font);
            font-size: clamp(2rem, 4vw, 3rem);
            color: var(--ink);
            position: relative;
            display: inline-block;
        }

        /* Smudge effect */
        .stat-number::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: -5%;
            width: 110%;
            height: 6px;
            background: linear-gradient(90deg,
                transparent,
                rgba(0, 51, 102, 0.1) 20%,
                rgba(0, 51, 102, 0.2) 50%,
                rgba(0, 51, 102, 0.1) 80%,
                transparent
            );
            filter: blur(1px);
        }

        .stat-label {
            font-family: var(--typewriter-font);
            font-size: 0.85rem;
            color: var(--ink);
            opacity: 0.7;
            margin-top: 0.5rem;
            letter-spacing: 1px;
        }

        .stat-correction {
            position: absolute;
            top: -0.5rem;
            right: 0;
            font-family: var(--typewriter-font);
            font-size: 0.65rem;
            color: var(--red-ink);
            opacity: 0.6;
            transform: rotate(-5deg);
        }

        /* CTA Section */
        .cta-section {
            padding: 5rem 0;
            text-align: center;
        }

        .cta-paper {
            background-color: var(--aged-yellow);
            border: 2px dashed var(--ink);
            padding: 4rem 3rem;
            max-width: 700px;
            margin: 0 auto;
            position: relative;
        }

        .cta-title {
            font-family: var(--typewriter-font);
            font-size: 1.8rem;
            color: var(--ink);
            margin-bottom: 1rem;
            letter-spacing: 3px;
            text-transform: uppercase;
        }

        .cta-desc {
            font-family: var(--typewriter-font);
            font-size: 1rem;
            color: var(--ink);
            opacity: 0.7;
            margin-bottom: 2.5rem;
        }

        .cta-button {
            display: inline-block;
            font-family: var(--typewriter-font);
            font-size: 1rem;
            color: var(--paper);
            background-color: var(--ink);
            border: 2px solid var(--ink);
            padding: 1rem 2.5rem;
            letter-spacing: 3px;
            text-transform: uppercase;
            text-decoration: none;
            cursor: pointer;
            position: relative;
            transition: all 0.2s ease;
            box-shadow:
                0 4px 0 #1a1a1a,
                0 6px 8px rgba(0, 0, 0, 0.2);
            border-radius: 4px;
        }

        .cta-button:hover {
            transform: translateY(2px);
            box-shadow:
                0 2px 0 #1a1a1a,
                0 4px 6px rgba(0, 0, 0, 0.15);
        }

        .cta-button:active {
            transform: translateY(4px);
            box-shadow:
                0 0px 0 #1a1a1a,
                0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .cta-key-icon {
            display: inline-block;
            width: 8px;
            height: 8px;
            border: 1px solid rgba(255, 255, 240, 0.5);
            border-radius: 2px;
            margin-right: 0.5rem;
            vertical-align: middle;
        }

        /* Footer */
        .site-footer {
            background-color: var(--paper);
            border-top: 2px solid var(--ink);
            padding: 3rem 0 2rem;
            position: relative;
            overflow: hidden;
        }

        /* Paper fold effect */
        .site-footer::before {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 60px;
            height: 60px;
            background: linear-gradient(
                135deg,
                transparent 50%,
                #D4C5A9 50%,
                #C8B897 100%
            );
            box-shadow: -2px -2px 4px rgba(0, 0, 0, 0.05);
        }

        .footer-inner {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .footer-carbon {
            font-family: var(--typewriter-font);
            font-size: 0.8rem;
            color: var(--ink);
            opacity: 0.4;
            text-align: center;
            letter-spacing: 1px;
            margin-bottom: 1rem;
        }

        .footer-carbon::before {
            content: 'CC: ';
            opacity: 0.6;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h4 {
            font-family: var(--typewriter-font);
            font-size: 0.85rem;
            color: var(--ink);
            opacity: 0.6;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 1rem;
            text-decoration: underline;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            padding: 0.3rem 0;
        }

        .footer-col ul li a {
            font-family: var(--typewriter-font);
            font-size: 0.8rem;
            color: var(--ink);
            opacity: 0.5;
            text-decoration: none;
            transition: opacity 0.3s ease;
        }

        .footer-col ul li a:hover {
            opacity: 0.8;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px dotted #CCC;
        }

        .footer-bottom p {
            font-family: var(--typewriter-font);
            font-size: 0.75rem;
            color: var(--ink);
            opacity: 0.35;
            letter-spacing: 1px;
        }

        /* Mobile Menu Overlay */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: var(--paper);
            z-index: 999;
            padding-top: 5rem;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .mobile-nav.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-nav ul {
            list-style: none;
            text-align: center;
        }

        .mobile-nav ul li {
            padding: 1.2rem 0;
        }

        .mobile-nav ul li a {
            font-family: var(--typewriter-font);
            font-size: 1.3rem;
            color: var(--ink);
            text-decoration: none;
            letter-spacing: 3px;
        }

        /* Scroll to top */
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 44px;
            height: 44px;
            background-color: var(--ink);
            color: var(--paper);
            border: none;
            cursor: pointer;
            font-family: var(--typewriter-font);
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 100;
            box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.2);
        }

        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .scroll-top:hover {
            background-color: var(--ribbon-blue);
        }

        /* Typed line decoration */
        .typed-line {
            font-family: var(--typewriter-font);
            color: var(--ink);
            opacity: 0.15;
            font-size: 0.7rem;
            letter-spacing: 0;
            overflow: hidden;
            white-space: nowrap;
            margin: 2rem 0;
            text-align: center;
        }

        /* Animations */
        @keyframes typeIn {
            from {
                width: 0;
            }
            to {
                width: 100%;
            }
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Responsive - Tablet Landscape */
        @media (min-width: 1024px) and (max-width: 1279px) {
            .hero-paper {
                padding: 3rem 4rem;
            }

            .hero-paper::before {
                left: 3rem;
            }

            .hero-paper::after {
                left: 3.2rem;
            }
        }

        /* Responsive - Tablet Portrait */
        @media (min-width: 768px) and (max-width: 1023px) {
            .hero-paper {
                padding: 3rem;
            }

            .hero-paper::before {
                left: 2.5rem;
            }

            .hero-paper::after {
                left: 2.7rem;
            }

            .features-grid {
                gap: 2rem;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 2rem;
            }

            .board-grid {
                gap: 1.5rem;
            }

            .draft-stamp {
                font-size: 2rem;
                top: 1.5rem;
                right: 2rem;
            }
        }

        /* Responsive - Mobile */
        @media (min-width: 360px) and (max-width: 767px) {
            html {
                font-size: 14px;
            }

            .nav-menu {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .mobile-nav {
                display: block;
            }

            .hero-section {
                padding-top: 6rem;
                padding-bottom: 3rem;
                min-height: auto;
            }

            .hero-paper {
                padding: 2.5rem 1.5rem;
            }

            .hero-paper::before,
            .hero-paper::after {
                display: none;
            }

            .hero-content {
                padding-left: 0;
            }

            .draft-stamp {
                font-size: 1.5rem;
                top: 1rem;
                right: 1rem;
                padding: 0.2rem 0.8rem;
                letter-spacing: 4px;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .feature-card:nth-child(1),
            .feature-card:nth-child(2),
            .feature-card:nth-child(3),
            .feature-card:nth-child(4) {
                transform: rotate(0deg) translateY(30px);
            }

            .feature-card:nth-child(1).visible,
            .feature-card:nth-child(2).visible,
            .feature-card:nth-child(3).visible,
            .feature-card:nth-child(4).visible {
                transform: rotate(0deg) translateY(0);
            }

            .board-grid {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }

            .stats-paper::before {
                display: none;
            }

            .stats-grid {
                padding-left: 0;
            }

            .cta-paper {
                padding: 3rem 1.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
                text-align: center;
            }
        }

        /* Responsive - Fold/Flip */
        @media (max-width: 359px) {
            html {
                font-size: 13px;
            }

            .hero-paper {
                padding: 2rem 1rem;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }

            .cta-button {
                padding: 0.8rem 1.5rem;
                font-size: 0.9rem;
            }
        }

        /* Responsive - FHD */
        @media (min-width: 1920px) and (max-width: 2559px) {
            html {
                font-size: 17px;
            }

            .container {
                max-width: 1200px;
            }
        }

        /* Responsive - QHD */
        @media (min-width: 2560px) and (max-width: 3839px) {
            html {
                font-size: 19px;
            }

            .container {
                max-width: 1400px;
            }
        }

        /* Responsive - UHD */
        @media (min-width: 3840px) {
            html {
                font-size: 22px;
            }

            .container {
                max-width: 1600px;
            }
        }

        /* Loading overlay */
        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: var(--paper);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            transition: opacity 0.5s ease;
        }

        .loading-overlay.hidden {
            opacity: 0;
            pointer-events: none;
        }

        .loading-text {
            font-family: var(--typewriter-font);
            font-size: 1.5rem;
            color: var(--ink);
            letter-spacing: 4px;
        }

        .loading-text span {
            animation: loadBlink 1.5s step-end infinite;
        }

        @keyframes loadBlink {
            0%, 33% { opacity: 1; }
            34%, 66% { opacity: 0; }
            67%, 100% { opacity: 1; }
        }

        /* Note handwritten annotation */
        .annotation {
            font-family: var(--typewriter-font);
            font-size: 0.75rem;
            color: var(--red-ink);
            opacity: 0.6;
            transform: rotate(-3deg);
            display: inline-block;
            margin-left: 0.5rem;
        }

        /* Tab marker */
        .tab-marker {
            display: inline-block;
            width: 2rem;
            border-bottom: 1px solid var(--ink);
            opacity: 0.3;
            margin: 0 0.3rem;
        }
/* HM_THEME_OVERFLOW_GUARD */
html,
body {
    max-width: 100% !important;
    overflow-x: hidden !important;
}
body,
body * {
    box-sizing: border-box;
}
img,
video,
canvas,
svg {
    max-width: 100%;
}
main,
#app,
#index-app,
.main-content,
.container,
.section,
.hero,
.hero-content,
.hero-title,
.hero-desc,
.hero-actions {
    max-width: 100% !important;
    min-width: 0 !important;
}
.hero-content,
.hero-title,
.hero-desc {
    overflow-wrap: anywhere;
}
/* END_HM_THEME_OVERFLOW_GUARD */

/* HM_STANDARD_LAYOUT_FIX_V2 */
html,
body {
    max-width: 100% !important;
    overflow-x: hidden !important;
}
body.hm-gnuboard-site,
body.hm-gnuboard-site * {
    box-sizing: border-box;
}
body.hm-gnuboard-site {
    min-width: 0 !important;
    text-rendering: optimizeLegibility;
}
body.hm-menu-open {
    overflow: hidden !important;
}
body.hm-gnuboard-site img,
body.hm-gnuboard-site video,
body.hm-gnuboard-site canvas,
body.hm-gnuboard-site svg {
    max-width: 100%;
}
.hm-site-header,
.site-header {
    position: sticky !important;
    top: 0 !important;
    left: auto !important;
    right: auto !important;
    z-index: 2147483000 !important;
    width: 100% !important;
    min-height: 72px !important;
    display: block !important;
    background: rgba(255, 255, 255, .96) !important;
    color: #0f172a !important;
    border: 0 !important;
    border-bottom: 1px solid #dbe3ef !important;
    box-shadow: 0 10px 26px rgba(15, 23, 42, .08) !important;
    backdrop-filter: blur(14px);
    transform: none !important;
}
.hm-header-inner,
.site-header .header-inner {
    width: min(1180px, calc(100% - 32px)) !important;
    min-height: 72px !important;
    margin: 0 auto !important;
    padding: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 16px !important;
}
.hm-site-brand,
.site-header .logo,
.site-header .site-brand {
    min-width: 0 !important;
    max-width: 38ch !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 10px !important;
    color: #0f172a !important;
    font-family: 'Noto Sans KR', Arial, sans-serif !important;
    font-size: clamp(16px, 1.4vw, 22px) !important;
    font-weight: 900 !important;
    line-height: 1.2 !important;
    letter-spacing: 0 !important;
    text-decoration: none !important;
    text-transform: none !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}
.hm-brand-mark {
    flex: 0 0 auto !important;
    width: 14px !important;
    height: 14px !important;
    border-radius: 999px !important;
    background: linear-gradient(135deg, #2563eb, #22c55e) !important;
    box-shadow: 0 0 0 5px rgba(37, 99, 235, .12) !important;
}
.hm-primary-nav,
.site-header nav,
.site-header .nav-links {
    margin-left: auto !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-end !important;
    gap: 8px !important;
    list-style: none !important;
    padding: 0 !important;
}
.site-header .nav-links li {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}
.hm-primary-nav a,
.site-header nav a,
.site-header .nav-links a {
    display: inline-flex !important;
    align-items: center !important;
    min-height: 38px !important;
    padding: 0 12px !important;
    border-radius: 8px !important;
    color: #334155 !important;
    background: transparent !important;
    font-family: 'Noto Sans KR', Arial, sans-serif !important;
    font-size: 14px !important;
    font-weight: 800 !important;
    letter-spacing: 0 !important;
    text-decoration: none !important;
    text-transform: none !important;
}
.hm-primary-nav a:hover,
.site-header nav a:hover,
.site-header .nav-links a:hover {
    color: #1d4ed8 !important;
    background: #eff6ff !important;
}
.hm-auth-nav,
.site-header .header-actions {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
}
.hm-auth-link,
.hm-auth-button,
.site-header .btn-login,
.site-header .btn-register,
.site-header .btn-logout,
.site-header .btn-member {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-height: 38px !important;
    padding: 0 13px !important;
    border-radius: 8px !important;
    border: 1px solid #dbe3ef !important;
    background: #fff !important;
    color: #0f172a !important;
    font-size: 14px !important;
    font-weight: 900 !important;
    letter-spacing: 0 !important;
    text-decoration: none !important;
    text-transform: none !important;
}
.hm-auth-button,
.site-header .btn-login {
    border-color: #2563eb !important;
    background: #2563eb !important;
    color: #fff !important;
}
.hm-mobile-toggle,
.site-header .mobile-toggle {
    display: none !important;
    flex: 0 0 42px !important;
    width: 42px !important;
    height: 42px !important;
    align-items: center !important;
    justify-content: center !important;
    flex-direction: column !important;
    gap: 5px !important;
    border: 1px solid #dbe3ef !important;
    border-radius: 8px !important;
    background: #fff !important;
    cursor: pointer !important;
}
.hm-mobile-toggle span,
.site-header .mobile-toggle span {
    display: block !important;
    width: 18px !important;
    height: 2px !important;
    border-radius: 999px !important;
    background: #0f172a !important;
}
.hm-mobile-menu,
.mobile-nav {
    display: none !important;
}
.hm-mobile-menu:not([hidden]),
.mobile-nav.open {
    display: grid !important;
    gap: 8px !important;
    width: min(1180px, calc(100% - 32px)) !important;
    margin: 0 auto 12px !important;
    padding: 10px !important;
    border: 1px solid #dbe3ef !important;
    border-radius: 8px !important;
    background: #fff !important;
    box-shadow: 0 18px 34px rgba(15, 23, 42, .10) !important;
}
.hm-mobile-menu a,
.mobile-nav.open a {
    display: flex !important;
    min-height: 42px !important;
    align-items: center !important;
    padding: 0 12px !important;
    border-radius: 8px !important;
    color: #0f172a !important;
    background: #f8fafc !important;
    font-size: 14px !important;
    font-weight: 800 !important;
    text-decoration: none !important;
}
.hm-site-main {
    width: 100% !important;
    min-height: 62vh !important;
    min-width: 0 !important;
    overflow: visible !important;
}
.hm-site-footer,
.site-footer {
    width: 100% !important;
    margin-top: 48px !important;
    border-top: 1px solid #e2e8f0 !important;
    background: #fff !important;
    color: #475569 !important;
}
.hm-footer-inner,
.site-footer .footer-inner,
.site-footer-inner {
    width: min(1180px, calc(100% - 32px)) !important;
    min-height: 72px !important;
    margin: 0 auto !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 16px !important;
    flex-wrap: wrap !important;
}
.hm-site-footer a,
.site-footer a {
    color: #475569 !important;
    text-decoration: none !important;
    font-weight: 700 !important;
}
body:has(.hm-board-page),
body:has(.hm-board-view) {
    background: #f8fafc !important;
    color: #111827 !important;
    background-image: none !important;
}
body:has(.hm-board-page) .hm-site-main,
body:has(.hm-board-view) .hm-site-main,
body:has(.hm-board-page) main,
body:has(.hm-board-view) main {
    padding-top: 0 !important;
    margin-top: 0 !important;
    background: transparent !important;
    min-width: 0 !important;
}
body:has(.hm-board-page)::before,
body:has(.hm-board-page)::after,
body:has(.hm-board-view)::before,
body:has(.hm-board-view)::after,
body:has(.hm-board-page) .hm-site-main::before,
body:has(.hm-board-page) .hm-site-main::after,
body:has(.hm-board-view) .hm-site-main::before,
body:has(.hm-board-view) .hm-site-main::after {
    display: none !important;
    content: none !important;
}
@media (max-width: 860px) {
    .hm-site-header,
    .site-header {
        min-height: 64px !important;
    }
    .hm-header-inner,
    .site-header .header-inner {
        min-height: 64px !important;
        width: min(100% - 24px, 1180px) !important;
    }
    .hm-site-brand,
    .site-header .logo,
    .site-header .site-brand {
        max-width: calc(100vw - 96px) !important;
        font-size: 16px !important;
    }
    .hm-primary-nav,
    .site-header nav,
    .site-header .nav-links,
    .hm-auth-nav,
    .site-header .header-actions {
        display: none !important;
    }
    .hm-mobile-toggle,
    .site-header .mobile-toggle {
        display: inline-flex !important;
        margin-left: auto !important;
    }
    .hm-mobile-menu:not([hidden]),
    .mobile-nav.open {
        width: min(100% - 24px, 1180px) !important;
    }
}
/* END_HM_STANDARD_LAYOUT_FIX_V2 */