        .hero {
            position: relative; min-height: 100vh; overflow: hidden;
            display: flex; align-items: center; justify-content: center;
            padding: 120px 24px 140px;
        }

        .hero-lines { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }

        .hero-lines line {
            stroke: var(--ink); stroke-width: 1; vector-effect: non-scaling-stroke;
        }

        .hero-lines .ln {
            stroke-dasharray: 100; stroke-dashoffset: 100;
            animation: draw 1.5s cubic-bezier(0.35, 0, 0.25, 1) forwards;
        }

        .hero-lines .ln2, .hero-lines .ln3 { animation-delay: 0.35s; }

        .hero-lines .ln4 { animation-delay: 0.75s; }

        @keyframes draw { to { stroke-dashoffset: 0; } }

        .hero-inner { position: relative; z-index: 1; text-align: center; }

        .hero-tag {
            font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.34em;
            text-transform: uppercase; color: var(--ink-soft); margin-bottom: 26px;
        }

        .hero-title {
            font-size: clamp(3.1rem, 11vw, 7rem); font-weight: 400;
            line-height: 1.12; letter-spacing: 0.08em; text-indent: 0.08em;
        }

        .hero-sub {
            margin-top: 22px; font-size: 1rem; color: var(--ink-soft);
            letter-spacing: 0.1em; text-indent: 0.1em;
        }

        .scroll-cue {
            position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
            text-align: center; z-index: 1;
        }

        .cue-text {
            font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.34em;
            text-transform: uppercase; color: var(--ink-soft);
        }

        .cue-track { position: relative; width: 1px; height: 46px; background: var(--ink); margin: 10px auto 0; overflow: hidden; }

        .cue-dot { position: absolute; left: -1px; top: 0; width: 3px; height: 13px; background: var(--ink); animation: drop 2s cubic-bezier(0.4, 0, 0.2, 1) infinite; }

        @keyframes drop { 0% { top: -13px; opacity: 0; } 30% { opacity: 1; } 90% { opacity: 1; } 100% { top: 46px; opacity: 0; } }

        .sec { max-width: 900px; margin: 0 auto; padding: 92px 28px; border-top: 1px solid var(--ink); }

        .sec-head { display: flex; align-items: baseline; gap: 18px; margin-bottom: 30px; }

        .sec-no { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; color: var(--ink-faint); }

        .sec-title { font-size: 1.7rem; font-weight: 700; letter-spacing: 0.06em; }

        .sec-body { font-size: 1.06rem; }

        .sec-body p { max-width: 620px; }

        .about-text { line-height: 2.15; }

        .about-text strong { font-weight: 700; }

        .link-list { list-style: none; border-top: 1px solid var(--ink); }

        .link-list li { border-bottom: 1px solid var(--ink); }

        .link-list a { display: flex; align-items: center; gap: 20px; padding: 24px 6px; }

        .li-name { font-size: 1.3rem; font-weight: 700; letter-spacing: 0.04em; min-width: 128px; }

        .li-desc { flex: 1; font-size: 0.92rem; color: var(--ink-soft); }

        .li-arrow { font-size: 1.25rem; transition: transform 0.25s ease; }

        .link-list a:hover .li-arrow { transform: translateX(8px); }

        .link-list a:hover .li-name { text-decoration: underline; text-underline-offset: 5px; }

        .contact-row { display: flex; }

        .contact-item {
            width: 56px; height: 56px; display: inline-flex; align-items: center; justify-content: center;
            border: 1px solid var(--ink); background: transparent; cursor: pointer; padding: 0; font: inherit;
            transition: background 0.15s ease;
        }

        .contact-item + .contact-item { border-left: none; }

        .contact-item:hover { background: var(--ink); }

        .contact-icon { width: 26px; height: 26px; fill: var(--ink); transition: fill 0.15s ease; }

        .contact-item:hover .contact-icon { fill: var(--paper); }

        .toast {
            position: fixed; left: 50%; bottom: 34px; transform: translateX(-50%) translateY(16px);
            background: var(--ink); color: var(--paper); padding: 11px 20px;
            font-family: var(--font); font-size: 0.92rem; white-space: nowrap;
            opacity: 0; pointer-events: none; z-index: 400;
            transition: opacity 0.25s ease, transform 0.25s ease;
        }

        .toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

        .footer .row + .row { margin-top: 6px; }

        .footer a:hover { text-decoration: underline; text-underline-offset: 3px; }

        @media (max-width: 640px) {
            .nav-inner { padding: 0 16px; }
            .brand { font-size: 0.98rem; }
            .sec { padding: 72px 20px; }
            .li-name { min-width: 96px; font-size: 1.15rem; }
            .link-list a { gap: 14px; }
        }
