        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        :root {
            --fg: #111111;
            --bg: #FAFAF9;
            --surface: #F2F1EE;
            --muted: #5f5f5f;
            --border: rgba(17, 17, 17, 0.12);
            --white: #FFFFFF;
            --black: #000000;
            --font-display: 'Newsreader', Georgia, serif;
            --font-body: 'Noto Sans JP', system-ui, sans-serif;
            /* Hero design tokens */
            --hero-bg: #0a0a0a;
            --hero-fg: #f5f3ed;
            --hero-muted: #a8a096;
            --hero-line: rgba(245, 243, 237, 0.15);
            --accent: #e8dcc8;
            --accent-hover: #fff5e0;
            --hero-surface: rgba(245, 243, 237, 0.06);
            --radius: 2px;
            --ease: cubic-bezier(0.22, 1, 0.36, 1);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background: var(--bg);
            color: var(--fg);
            font-family: var(--font-body);
            font-weight: 400;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        /* ============================================================
           Hero Section — Full-screen background image
        ============================================================ */
        .hero {
            min-height: 100svh;
            position: relative;
            overflow: hidden;
            isolation: isolate;
            display: grid;
            grid-template-rows: auto 1fr auto;
            background: var(--hero-bg);
        }

        /* ----- Background Image ----- */
        .hero-visual {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-main-image {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center 20%;
            filter: grayscale(100%) contrast(1.12) brightness(0.48);
            transform: scale(1.04);
            animation: heroImageReveal 1.8s var(--ease) forwards;
        }

        @keyframes heroImageReveal {
            from {
                transform: scale(1.12);
                opacity: 0;
            }
            to {
                transform: scale(1.04);
                opacity: 1;
            }
        }

        .hero-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            background:
                linear-gradient(180deg,
                    rgba(10, 10, 10, 0.55) 0%,
                    rgba(10, 10, 10, 0.15) 30%,
                    rgba(10, 10, 10, 0.40) 65%,
                    rgba(10, 10, 10, 0.92) 100%),
                linear-gradient(90deg,
                    rgba(10, 10, 10, 0.60) 0%,
                    transparent 50%,
                    rgba(10, 10, 10, 0.40) 100%);
            z-index: 1;
        }

        /* ----- Top Bar (Hero Header) ----- */
        .hero-header {
            position: relative;
            z-index: 100;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: clamp(1.2rem, 3vw, 2rem) clamp(1.5rem, 8vw, 8rem);
        }

        .hero-logo {
            font-family: var(--font-display);
            font-style: italic;
            font-weight: 400;
            font-size: 1.4rem;
            letter-spacing: 0.04em;
            color: var(--hero-fg);
            opacity: 0.9;
            text-decoration: none;
            transition: opacity 0.3s var(--ease);
        }

        .hero-logo:hover {
            opacity: 1;
        }

        .hero-nav {
            display: flex;
            align-items: center;
            gap: clamp(1rem, 2.5vw, 2rem);
        }

        .hero-nav a {
            font-size: 0.78rem;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            color: rgba(245, 243, 237, 0.65);
            text-decoration: none;
            transition: color 0.3s var(--ease);
            position: relative;
        }

        .hero-nav a::after {
            content: "";
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--accent);
            transition: width 0.4s var(--ease);
        }

        .hero-nav a:hover {
            color: var(--hero-fg);
        }

        .hero-nav a:hover::after {
            width: 100%;
        }

        /* ----- Main Content Area ----- */
        .hero-body {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 0 clamp(1.5rem, 8vw, 8rem);
            padding-bottom: clamp(1rem, 2vw, 2rem);
        }

        .hero-content {
            width: min(100%, 780px);
            animation: heroContentSlide 1.2s var(--ease) 0.3s both;
        }

        @keyframes heroContentSlide {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Kicker */
        .kicker {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.78rem;
            letter-spacing: 0.24em;
            text-transform: uppercase;
            color: var(--hero-muted);
            margin-bottom: clamp(0.8rem, 2vw, 1.4rem);
        }

        .kicker::before {
            content: "";
            display: inline-block;
            width: 28px;
            height: 1px;
            background: var(--accent);
            flex-shrink: 0;
        }

        /* Title */
        .hero-title {
            font-family: var(--font-display);
            font-style: italic;
            font-weight: 300;
            font-size: clamp(4rem, min(14vw, 16svh), 11rem);
            line-height: 1.0;
            letter-spacing: -0.02em;
            color: var(--hero-fg);
            max-width: 12ch;
            margin-top: clamp(1rem, min(4vw, 3svh), 2rem);
            margin-bottom: clamp(1rem, min(4vw, 3svh), 2rem);
        }

        .hero-title .line-accent {
            display: block;
            color: var(--accent);
        }

        /* Subtitle */
        .hero-sub {
            margin-top: clamp(1rem, 2.5vw, 1.6rem);
            max-width: 38ch;
            font-size: clamp(0.95rem, 1.6vw, 1.1rem);
            font-weight: 300;
            line-height: 1.65;
            color: rgba(245, 243, 237, 0.72);
        }

        /* Actions */
        .hero-actions {
            margin-top: clamp(1.6rem, 3vw, 2.4rem);
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            padding: 1rem 1.8rem;
            border: 1px solid transparent;
            border-radius: var(--radius);
            transition: all 0.35s var(--ease);
            cursor: pointer;
        }

        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .btn-primary {
            background: var(--accent);
            color: #111;
            font-weight: 700;
            border-color: var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 8px 32px rgba(232, 220, 200, 0.18);
        }

        .btn-ghost {
            border-color: var(--hero-line);
            color: var(--hero-fg);
            background: transparent;
        }

        .btn-ghost:hover {
            border-color: rgba(245, 243, 237, 0.45);
            background: var(--hero-surface);
            transform: translateY(-1px);
        }

        /* ----- Bottom Bar ----- */
        .hero-footer {
            position: relative;
            z-index: 3;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            padding: 0 clamp(1.5rem, 8vw, 8rem);
            padding-bottom: clamp(1.2rem, 3vw, 2rem);
            gap: 1rem;
        }

        /* Meta Info */
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.8rem;
            padding-top: 1rem;
            border-top: 1px solid var(--hero-line);
            animation: heroMetaFade 1s var(--ease) 0.8s both;
        }

        @keyframes heroMetaFade {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        .meta-item {
            display: flex;
            flex-direction: column;
            gap: 0.15rem;
        }

        .meta-label {
            font-size: 0.68rem;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            color: var(--hero-muted);
            opacity: 0.8;
        }

        .meta-value {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--hero-fg);
        }

        /* Right-side Elements */
        .hero-footer-right {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
            animation: heroMetaFade 1s var(--ease) 1s both;
        }

        /* Edge Tag */
        .edge-tag {
            writing-mode: vertical-rl;
            transform: rotate(180deg);
            font-size: 0.7rem;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            color: rgba(245, 243, 237, 0.5);
            padding: 0.6rem 0.3rem;
            border: 1px solid var(--hero-line);
            background: rgba(10, 10, 10, 0.4);
            -webkit-backdrop-filter: blur(4px);
            backdrop-filter: blur(4px);
            white-space: nowrap;
        }

        /* Scroll Cue */
        .scroll-cue {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.68rem;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            color: rgba(245, 243, 237, 0.5);
        }

        .scroll-cue::after {
            content: "";
            display: block;
            width: 1px;
            height: 36px;
            background: linear-gradient(to bottom, rgba(245, 243, 237, 0.5), transparent);
            animation: scrollPulse 2s ease-in-out infinite;
        }

        @keyframes scrollPulse {
            0%, 100% {
                opacity: 0.4;
                transform: scaleY(1);
            }
            50% {
                opacity: 1;
                transform: scaleY(1.3);
            }
        }

        /* ----- Decorative Elements ----- */
        .hero-grid-lines {
            position: absolute;
            inset: 0;
            z-index: 1;
            pointer-events: none;
        }

        .hero-grid-lines::before,
        .hero-grid-lines::after {
            content: "";
            position: absolute;
            top: 0;
            bottom: 0;
            width: 1px;
            background: linear-gradient(to bottom,
                    transparent 0%,
                    rgba(245, 243, 237, 0.06) 20%,
                    rgba(245, 243, 237, 0.06) 80%,
                    transparent 100%);
        }

        .hero-grid-lines::before {
            left: clamp(1.2rem, 4vw, 3rem);
        }

        .hero-grid-lines::after {
            right: clamp(1.2rem, 4vw, 3rem);
        }

        /* Large Background Watermark */
        .hero-watermark {
            position: absolute;
            bottom: clamp(8rem, 18vh, 16rem);
            right: clamp(-1rem, 2vw, 2rem);
            z-index: 1;
            font-family: var(--font-display);
            font-style: italic;
            font-weight: 300;
            font-size: clamp(6rem, 18vw, 22rem);
            line-height: 0.8;
            color: rgba(245, 243, 237, 0.03);
            letter-spacing: -0.04em;
            pointer-events: none;
            user-select: none;
            white-space: nowrap;
        }

        /* Accessibility */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* ============================================================
           Marquee
        ============================================================ */
        .marquee-wrap {
            overflow: hidden;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 1.25rem 0;
            background: var(--surface);
        }

        .marquee-track {
            display: flex;
            gap: 3rem;
            animation: marquee 22s linear infinite;
            white-space: nowrap;
        }

        .marquee-item {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            font-size: 0.8rem;
            letter-spacing: 0.3em;
            text-transform: uppercase;
            color: var(--muted);
            flex-shrink: 0;
        }

        .marquee-item .dot {
            width: 3px;
            height: 3px;
            background: var(--muted);
            border-radius: 50%;
            flex-shrink: 0;
        }

        @keyframes marquee {
            from {
                transform: translateX(0);
            }

            to {
                transform: translateX(-50%);
            }
        }

        /* ============================================================
           Section Commons
        ============================================================ */
        .section {
            padding: 8rem 2rem;
            max-width: 1440px;
            margin: 0 auto;
            scroll-margin-top: 4.5rem;
        }

        .section-label {
            font-size: 0.8rem;
            letter-spacing: 0.4em;
            text-transform: uppercase;
            color: var(--muted);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .section-label::before {
            content: '';
            display: block;
            width: 2rem;
            height: 1px;
            background: currentColor;
            opacity: 0.5;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: clamp(2.5rem, 5vw, 5rem);
            font-weight: 300;
            font-style: italic;
            line-height: 1.05;
            letter-spacing: -0.01em;
            margin-bottom: 1.5rem;
        }

        .section-desc {
            color: var(--muted);
            font-size: 1rem;
            max-width: 36rem;
            line-height: 1.9;
        }

        /* ============================================================
           Before / After
        ============================================================ */
        .compare {
            background: var(--surface);
        }

        .compare-inner {
            max-width: 1440px;
            margin: 0 auto;
            padding: 8rem 2rem;
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2px;
            margin-top: 5rem;
        }

        .compare-card {
            position: relative;
            overflow: hidden;
            background: var(--fg);
        }

        .compare-card img {
            width: 100%;
            height: 480px;
            object-fit: cover;
            object-position: top;
            display: block;
            transition: transform 0.8s ease;
        }

        .compare-card:hover img {
            transform: scale(1.03);
        }

        .compare-card-label {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 2rem;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.85), transparent);
        }

        .compare-card-label h3 {
            font-family: var(--font-display);
            font-size: 1.25rem;
            font-weight: 300;
            font-style: italic;
            margin-bottom: 0.25rem;
            color: #FAFAF9;
        }

        .compare-card-label p {
            font-size: 0.85rem;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: rgba(250, 250, 249, 0.82);
        }

        /* ============================================================
           Animations & Reveal
        ============================================================ */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 1s var(--ease), transform 1s var(--ease);
            will-change: opacity, transform;
        }

        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ============================================================
           Features
        ============================================================ */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1px;
            margin-top: 5rem;
            background: var(--border);
            border: 1px solid var(--border);
        }

        .feature-card {
            padding: 3rem 2.5rem;
            background: var(--bg);
            transition: background 0.3s;
        }

        .feature-card:hover {
            background: var(--surface);
        }

        .feature-number {
            font-family: var(--font-display);
            font-size: 3.5rem;
            font-weight: 300;
            color: rgba(17, 17, 17, 0.07);
            line-height: 1;
            margin-bottom: 2rem;
            border-bottom: 1px solid var(--border);
            padding-bottom: 1.5rem;
        }

        .feature-title {
            font-size: 0.85rem;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .feature-desc {
            font-size: 1rem;
            color: var(--muted);
            line-height: 1.8;
        }

        /* ============================================================
           Screenshots
        ============================================================ */
        .screenshots {
            background: var(--fg);
        }

        .screenshots-inner {
            max-width: 1440px;
            margin: 0 auto;
            padding: 8rem 2rem;
        }

        .screenshots .section-label {
            color: rgba(250, 250, 249, 0.35);
        }

        .screenshots .section-title {
            color: #FAFAF9;
        }

        .screenshots .section-desc {
            color: rgba(250, 250, 249, 0.45);
        }

        .screenshots-mosaic {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2px;
            margin-top: 5rem;
        }

        .shot {
            overflow: hidden;
            position: relative;
            background: rgba(255, 255, 255, 0.04);
            height: clamp(280px, 40vh, 400px);
            cursor: zoom-in;
        }

        .shot::after {
            content: "+";
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(10, 10, 10, 0.4);
            color: #FAFAF9;
            font-family: var(--font-body);
            font-size: 3rem;
            font-weight: 300;
            opacity: 0;
            transition: opacity 0.4s var(--ease);
            pointer-events: none;
            z-index: 1;
        }

        .shot:hover::after {
            opacity: 1;
        }

        .shot img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: top;
            display: block;
            transition: transform 0.8s var(--ease);
        }

        .shot:hover img {
            transform: scale(1.04);
        }

        /* Lightbox */
        .lightbox {
            position: fixed;
            inset: 0;
            background: rgba(10, 10, 10, 0.95);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            z-index: 9999;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s var(--ease);
            padding: 2rem;
        }

        .lightbox.active {
            opacity: 1;
            pointer-events: auto;
        }

        .lightbox img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
            border-radius: var(--radius);
            box-shadow: 0 2rem 4rem rgba(0,0,0,0.5);
            transform: scale(0.96);
            transition: transform 0.4s var(--ease);
        }

        .lightbox.active img {
            transform: scale(1);
        }

        .lightbox-close {
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            background: none;
            border: none;
            color: #FAFAF9;
            cursor: pointer;
            opacity: 0.6;
            transition: opacity 0.2s;
            padding: 0.5rem;
            z-index: 10000;
        }

        .lightbox-close:hover {
            opacity: 1;
        }

        .shot-label {
            position: absolute;
            top: 1.5rem;
            left: 1.5rem;
            background: rgba(0, 0, 0, 0.75);
            -webkit-backdrop-filter: blur(4px);
            backdrop-filter: blur(4px);
            padding: 0.4rem 0.8rem;
            font-size: 0.75rem;
            letter-spacing: 0.25em;
            text-transform: uppercase;
            color: rgba(250, 250, 249, 0.9);
            border: 1px solid rgba(250, 250, 249, 0.08);
        }

        /* ============================================================
           Install Steps
        ============================================================ */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1px;
            margin-top: 5rem;
            background: var(--border);
        }

        .step {
            padding: 3rem 2rem;
            background: var(--bg);
            transition: background 0.3s;
        }

        .step:hover {
            background: var(--surface);
        }

        .step-num {
            font-family: var(--font-display);
            font-size: 5rem;
            font-weight: 300;
            font-style: italic;
            color: rgba(17, 17, 17, 0.1);
            line-height: 1;
            margin-bottom: 2rem;
        }

        .step-title {
            font-size: 0.85rem;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }

        .step-desc {
            font-size: 1rem;
            color: var(--muted);
            line-height: 1.8;
        }

        .step-desc strong {
            color: var(--fg);
            font-weight: 500;
        }

        /* ============================================================
           Palette
        ============================================================ */
        .palette {
            background: var(--surface);
        }

        .palette-inner {
            max-width: 1440px;
            margin: 0 auto;
            padding: 8rem 2rem;
        }

        .palette-swatches {
            display: flex;
            margin-top: 5rem;
            height: 200px;
            border: 1px solid var(--border);
            overflow: hidden;
        }

        .swatch {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 1.5rem;
            transition: flex 0.4s ease;
            cursor: default;
        }

        .swatch-fg {
            background: #111111;
            color: #FAFAF9;
        }

        .swatch-muted {
            background: #5F5F5F;
            color: #FAFAF9;
        }

        .swatch-surface {
            background: #F2F1EE;
            color: #111111;
        }

        .swatch-bg {
            background: #FAFAF9;
            color: #111111;
        }

        .swatch-white {
            background: #FFFFFF;
            color: #111111;
            outline: 1px solid rgba(17, 17, 17, 0.1);
        }

        .swatch:hover {
            flex: 2;
        }

        .swatch-label {
            font-size: 0.75rem;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            opacity: 0.6;
        }

        .swatch-hex {
            font-family: var(--font-display);
            font-size: 1rem;
            font-weight: 300;
        }

        /* ============================================================
           Pricing
        ============================================================ */
        .pricing {
            text-align: center;
            padding: 8rem 2rem;
            background: var(--fg);
            position: relative;
            overflow: hidden;
        }

        .pricing::before {
            content: 'Studio';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-family: var(--font-display);
            font-size: 20vw;
            font-style: italic;
            font-weight: 300;
            color: rgba(250, 250, 249, 0.025);
            white-space: nowrap;
            pointer-events: none;
            -webkit-user-select: none;
            user-select: none;
        }

        .pricing-inner {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }

        .pricing .section-label {
            color: rgba(250, 250, 249, 0.35);
            justify-content: center;
        }

        .pricing .section-title {
            color: #FAFAF9;
        }

        .price-amount {
            font-family: var(--font-display);
            font-size: clamp(4rem, 10vw, 8rem);
            font-weight: 300;
            font-style: italic;
            color: #FAFAF9;
            line-height: 1;
            margin: 2rem 0 0.5rem;
        }

        .price-note {
            font-size: 0.85rem;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            color: rgba(250, 250, 249, 0.78);
            margin-bottom: 3rem;
        }

        .pricing-features {
            list-style: none;
            margin: 2rem auto 3rem;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            text-align: left;
            max-width: 320px;
        }

        .pricing-features li {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 1rem;
            color: rgba(250, 250, 249, 0.88);
        }

        .pricing-features li::before {
            content: '';
            display: block;
            width: 1.5rem;
            height: 1px;
            background: rgba(250, 250, 249, 0.25);
            flex-shrink: 0;
        }

        .pricing .btn-primary {
            margin: 0 auto;
        }

        .pricing-asterisk {
            margin-top: 1.5rem;
            font-size: 0.85rem;
            color: rgba(250, 250, 249, 0.72);
            letter-spacing: 0.08em;
        }

        /* ============================================================
           FAQ
        ============================================================ */
        .faq {
            padding: 8rem 2rem;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-list {
            margin-top: 5rem;
        }

        details.faq-item {
            border-top: 1px solid var(--border);
        }

        details.faq-item:last-child {
            border-bottom: 1px solid var(--border);
        }

        details.faq-item summary {
            padding: 2rem 0;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1rem;
            font-weight: 400;
            color: var(--fg);
            transition: color 0.2s;
            gap: 1rem;
        }

        details.faq-item summary::-webkit-details-marker {
            display: none;
        }

        details.faq-item summary:hover {
            color: var(--muted);
        }

        details.faq-item summary::after {
            content: '+';
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 300;
            color: var(--muted);
            transition: transform 0.3s;
            flex-shrink: 0;
        }

        details.faq-item[open] summary::after {
            transform: rotate(45deg);
        }

        details.faq-item p {
            padding: 0 0 2rem;
            font-size: 1rem;
            color: var(--muted);
            line-height: 1.9;
        }

        /* ============================================================
           Footer
        ============================================================ */
        .site-footer {
            background: var(--surface);
            border-top: 1px solid var(--border);
            padding: 4rem 2rem;
        }

        .footer-inner {
            max-width: 1440px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2rem;
            text-align: center;
        }

        .footer-brand {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 300;
            font-style: italic;
            color: var(--fg);
        }

        .footer-links {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .footer-links a {
            font-size: 0.8rem;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            color: var(--muted);
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: var(--fg);
        }

        .footer-copy {
            font-size: 0.8rem;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            color: rgba(17, 17, 17, 0.55);
        }

        /* ============================================================
           Responsive
        ============================================================ */
        @media (max-width: 980px) {
            .hero-nav {
                gap: 0.8rem;
            }

            .hero-nav .nav-desktop {
                display: none;
            }

            .hero-title {
                max-width: 100%;
            }

            .edge-tag {
                display: none;
            }

            .hero-footer {
                flex-direction: column;
                align-items: flex-start;
            }

            .hero-footer-right {
                width: 100%;
                align-items: flex-end;
            }
        }

        @media (max-width: 900px) {

            .compare-grid,
            .features-grid,
            .screenshots-mosaic,
            .steps-grid {
                grid-template-columns: 1fr;
            }

            .shot {
                height: 300px;
            }

            .palette-swatches {
                height: 120px;
            }
        }

        @media (max-width: 600px) {
            .section {
                padding: 5rem 1.25rem;
            }

            .compare-inner, .screenshots-inner, .palette-inner {
                padding: 5rem 1.25rem;
            }

            .pricing, .faq {
                padding: 5rem 1.25rem;
            }

            .site-footer {
                padding: 3rem 1.25rem;
            }

            .hero-header {
                padding: 1rem;
            }

            .hero-body {
                padding: 0 1rem;
                padding-bottom: 1.6rem;
            }

            .hero-footer {
                padding: 0 1rem 1rem;
            }

            .hero-meta {
                gap: 0.5rem 1.2rem;
            }

            .hero-sub {
                max-width: 100%;
            }
        }

        /* ============================================================
           Mobile Bottom Nav — visible on small screens only
        ============================================================ */
        .mobile-bottom-nav {
            display: none;
        }

        @media (max-width: 980px) {
            .mobile-bottom-nav {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                z-index: 100;
                justify-content: space-around;
                align-items: center;
                padding: 0.5rem 0;
                padding-bottom: calc(0.5rem + env(safe-area-inset-bottom));
                background: rgba(10, 10, 10, 0.92);
                -webkit-backdrop-filter: blur(16px);
                backdrop-filter: blur(16px);
                border-top: 1px solid rgba(245, 243, 237, 0.1);
            }

            .mobile-bottom-nav a {
                display: flex;
                flex-direction: column;
                align-items: center;
                gap: 0.2rem;
                text-decoration: none;
                color: rgba(245, 243, 237, 0.55);
                font-size: 0.62rem;
                letter-spacing: 0.08em;
                text-transform: uppercase;
                padding: 0.4rem 0.8rem;
                transition: color 0.2s var(--ease);
            }

            .mobile-bottom-nav a:hover,
            .mobile-bottom-nav a:active {
                color: var(--accent);
            }

            .mobile-bottom-nav svg {
                width: 20px;
                height: 20px;
                flex-shrink: 0;
            }

            /* Prevent site-footer content from hiding behind bottom nav */
            .site-footer {
                padding-bottom: 5rem;
            }
        }