/* ============================================
   CHIMERA_PROTOCOL // STYLES
   サイバーパンク風ランディングページ
   ============================================ */

/* ============== CSS変数 ============== */
:root {
    /* ベースカラー */
    --c-black: #0A0A0A;
    --c-deep-black: #050505;
    --c-midnight: #001F3F;
    --c-dark-purple: #2A0A2A;
    --c-dark-bg: #0D0410;

    /* メインアクセント */
    --c-cyan: #00FFFF;
    --c-cyan-dim: #00B8B8;
    --c-pink: #FF00FF;
    --c-pink-dim: #B800B8;
    --c-green: #39FF14;
    --c-green-dim: #20A00A;
    --c-yellow: #FFFF00;

    /* サブ */
    --c-gray: #808080;
    --c-light-gray: #B0B0B0;
    --c-white: #FFFFFF;
    --c-off-white: #E0E0E0;

    /* 機能カラー */
    --c-text: #C8C8D0;
    --c-text-dim: #707080;
    --c-border: rgba(0, 255, 255, 0.2);
    --c-border-pink: rgba(255, 0, 255, 0.2);
    --c-bg-card: rgba(13, 4, 16, 0.7);
    --c-bg-card-hover: rgba(13, 4, 16, 0.9);

    /* フォント */
    --f-head: 'Orbitron', 'Rajdhani', sans-serif;
    --f-body: 'Rajdhani', 'Share Tech Mono', monospace;
    --f-mono: 'Share Tech Mono', 'Courier New', monospace;

    /* サイズ */
    --nav-h: 72px;
    --container-w: 1280px;
    --container-p: 32px;
}

/* ============== リセット ============== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--f-body);
    background: var(--c-black);
    color: var(--c-text);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
    font-weight: 400;
    letter-spacing: 0.02em;
    -webkit-font-smoothing: antialiased;
    cursor: none;
}

@media (pointer: coarse) {
    body { cursor: auto; }
    .cursor { display: none !important; }
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

button {
    background: none;
    border: none;
    color: inherit;
    font-family: inherit;
    cursor: pointer;
}

input, textarea, select {
    font-family: inherit;
    color: inherit;
}

img, svg {
    max-width: 100%;
    display: block;
}

ul {
    list-style: none;
}

::selection {
    background: var(--c-cyan);
    color: var(--c-black);
}

/* ============== 背景レイヤー ============== */
.bg-layer {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(0, 31, 63, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 100%, rgba(42, 10, 42, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse at 0% 50%, rgba(0, 31, 63, 0.3) 0%, transparent 50%),
        linear-gradient(180deg, #0A0A0A 0%, #050505 100%);
}

/* グリッド背景 */
.grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    background-position: center center;
    animation: gridShift 30s linear infinite;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
}

@keyframes gridShift {
    0% { background-position: 0 0, 0 0; }
    100% { background-position: 60px 60px, 60px 60px; }
}

/* スキャンライン */
.scanlines {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent 0px,
        transparent 2px,
        rgba(0, 255, 255, 0.02) 3px,
        rgba(0, 255, 255, 0.02) 4px
    );
    pointer-events: none;
    animation: scanlineMove 8s linear infinite;
}

@keyframes scanlineMove {
    0% { background-position: 0 0; }
    100% { background-position: 0 100vh; }
}

/* ノイズ */
.noise {
    position: absolute;
    inset: 0;
    opacity: 0.05;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.4'/></svg>");
    pointer-events: none;
    mix-blend-mode: overlay;
}

/* ビネット */
.vignette {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 40%, rgba(0, 0, 0, 0.7) 100%);
    pointer-events: none;
}

#particles-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

/* ============== カスタムカーソル ============== */
.cursor {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
}

.cursor-dot {
    position: fixed;
    width: 6px;
    height: 6px;
    background: var(--c-cyan);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, background 0.3s;
    box-shadow: 0 0 12px var(--c-cyan);
}

.cursor-ring {
    position: fixed;
    width: 36px;
    height: 36px;
    border: 1.5px solid var(--c-cyan);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, border-color 0.3s, transform 0.15s ease-out;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.4), inset 0 0 12px rgba(0, 255, 255, 0.2);
}

.cursor.hover .cursor-dot {
    width: 10px;
    height: 10px;
    background: var(--c-pink);
    box-shadow: 0 0 18px var(--c-pink);
}

.cursor.hover .cursor-ring {
    width: 60px;
    height: 60px;
    border-color: var(--c-pink);
    box-shadow: 0 0 30px rgba(255, 0, 255, 0.4);
}

@media (pointer: coarse) {
    .cursor { display: none; }
}

/* ============== テキストグロウ ============== */
.text-glow-cyan {
    color: var(--c-cyan);
    text-shadow: 0 0 8px var(--c-cyan), 0 0 16px rgba(0, 255, 255, 0.5);
}

.text-glow-pink {
    color: var(--c-pink);
    text-shadow: 0 0 8px var(--c-pink), 0 0 16px rgba(255, 0, 255, 0.5);
}

.text-glow-green {
    color: var(--c-green);
    text-shadow: 0 0 8px var(--c-green), 0 0 16px rgba(57, 255, 20, 0.5);
}

/* ============== グリッチエフェクト ============== */
.glitch {
    position: relative;
    color: var(--c-white);
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
    animation: glitchShake 6s infinite;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--c-pink);
    animation: glitchTop 4s infinite linear alternate-reverse;
    clip-path: polygon(0 0, 100% 0, 100% 33%, 0 33%);
    color: var(--c-pink);
}

.glitch::after {
    left: -2px;
    text-shadow: 2px 0 var(--c-cyan);
    animation: glitchBottom 3s infinite linear alternate-reverse;
    clip-path: polygon(0 67%, 100% 67%, 100% 100%, 0 100%);
    color: var(--c-cyan);
}

@keyframes glitchShake {
    0%, 90%, 100% { transform: translate(0); }
    92% { transform: translate(-2px, 1px); }
    94% { transform: translate(2px, -1px); }
    96% { transform: translate(-1px, 2px); }
    98% { transform: translate(1px, -2px); }
}

@keyframes glitchTop {
    0%, 90%, 100% { transform: translate(0); }
    92% { transform: translate(-3px, -1px); }
    94% { transform: translate(2px, 1px); }
    96% { transform: translate(-1px, 0); }
    98% { transform: translate(3px, -1px); }
}

@keyframes glitchBottom {
    0%, 90%, 100% { transform: translate(0); }
    92% { transform: translate(2px, 1px); }
    94% { transform: translate(-2px, -1px); }
    96% { transform: translate(1px, 0); }
    98% { transform: translate(-3px, 1px); }
}

/* ============== ローディング ============== */
.loader {
    position: fixed;
    inset: 0;
    background: var(--c-deep-black);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-inner {
    position: relative;
    width: min(560px, 90vw);
    padding: 20px;
}

.loader-frame {
    position: relative;
    border: 1px solid var(--c-cyan);
    padding: 48px 40px;
    background: rgba(0, 0, 0, 0.6);
    box-shadow:
        0 0 40px rgba(0, 255, 255, 0.3),
        inset 0 0 40px rgba(0, 255, 255, 0.05);
}

.corner {
    position: absolute;
    width: 20px;
    height: 20px;
    border-color: var(--c-cyan);
    border-style: solid;
    border-width: 0;
}
.corner.tl { top: -1px; left: -1px; border-top-width: 2px; border-left-width: 2px; }
.corner.tr { top: -1px; right: -1px; border-top-width: 2px; border-right-width: 2px; }
.corner.bl { bottom: -1px; left: -1px; border-bottom-width: 2px; border-left-width: 2px; }
.corner.br { bottom: -1px; right: -1px; border-bottom-width: 2px; border-right-width: 2px; }

.loader-logo {
    text-align: center;
    margin-bottom: 32px;
}

.logo-text {
    font-family: var(--f-head);
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 900;
    color: var(--c-cyan);
    text-shadow: 0 0 20px var(--c-cyan);
    letter-spacing: 0.1em;
    position: relative;
    display: inline-block;
    animation: logoFlicker 3s infinite;
}

@keyframes logoFlicker {
    0%, 100% { opacity: 1; }
    95% { opacity: 0.4; }
    96% { opacity: 1; }
    97% { opacity: 0.6; }
    98% { opacity: 1; }
}

.logo-sub {
    font-family: var(--f-mono);
    font-size: 12px;
    color: var(--c-pink);
    letter-spacing: 0.3em;
    margin-top: 8px;
}

.loader-status {
    font-family: var(--f-mono);
    font-size: 12px;
    color: var(--c-text-dim);
    margin-bottom: 16px;
}

.status-line {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    border-bottom: 1px dashed rgba(0, 255, 255, 0.1);
}

.status-line .label { color: var(--c-cyan-dim); }
.status-line .value { color: var(--c-white); }

.loader-bar {
    height: 4px;
    background: rgba(0, 255, 255, 0.1);
    overflow: hidden;
    margin-bottom: 20px;
    position: relative;
}

.loader-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--c-cyan), var(--c-pink));
    width: 0%;
    transition: width 0.3s ease;
    box-shadow: 0 0 12px var(--c-cyan);
    position: relative;
}

.loader-bar-fill::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: barShine 1.5s linear infinite;
}

@keyframes barShine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.loader-warn {
    text-align: center;
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--c-yellow);
    letter-spacing: 0.1em;
    animation: warnBlink 1.5s infinite;
}

@keyframes warnBlink {
    0%, 50%, 100% { opacity: 1; }
    25%, 75% { opacity: 0.4; }
}

/* ============== HUDナビゲーション ============== */
.hud-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-h);
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.95) 0%, rgba(10, 10, 10, 0.7) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    padding: 0 var(--container-p);
    z-index: 1000;
    transition: all 0.3s ease;
    transform: translateY(-100%);
    animation: navSlideIn 0.6s ease 2.4s forwards;
}

@keyframes navSlideIn {
    to { transform: translateY(0); }
}

.hud-nav.scrolled {
    background: rgba(5, 5, 5, 0.98);
    box-shadow: 0 4px 20px rgba(0, 255, 255, 0.1);
}

.hud-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--f-head);
    font-weight: 700;
    margin-right: auto;
}

.logo-mark {
    color: var(--c-cyan);
    font-size: 18px;
    text-shadow: 0 0 10px var(--c-cyan);
    animation: logoSpin 8s linear infinite;
    display: inline-block;
}

@keyframes logoSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.logo-name {
    color: var(--c-white);
    letter-spacing: 0.15em;
    font-size: 16px;
}

.logo-tag {
    color: var(--c-pink);
    font-size: 12px;
    font-family: var(--f-mono);
    letter-spacing: 0.1em;
}

.hud-menu {
    display: flex;
    gap: 4px;
    margin-right: 24px;
}

.hud-link {
    position: relative;
    padding: 8px 14px;
    font-family: var(--f-mono);
    font-size: 13px;
    color: var(--c-text);
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    overflow: hidden;
}

.hud-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.4s ease;
}

.hud-link:hover {
    color: var(--c-cyan);
    text-shadow: 0 0 8px var(--c-cyan);
}

.hud-link:hover::before {
    transform: translateX(0);
}

.hud-link span {
    color: var(--c-pink);
    font-size: 10px;
    opacity: 0.6;
}

.hud-link:hover span {
    color: var(--c-pink);
    opacity: 1;
    text-shadow: 0 0 8px var(--c-pink);
}

.hud-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--f-mono);
    font-size: 12px;
    color: var(--c-green);
    letter-spacing: 0.1em;
    padding: 6px 12px;
    border: 1px solid var(--c-green);
    border-radius: 2px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--c-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--c-green);
    position: relative;
    animation: dotPulse 2s infinite;
}

@keyframes dotPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hud-burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 32px;
    height: 32px;
    align-items: center;
    justify-content: center;
    margin-left: 16px;
}

.hud-burger span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--c-cyan);
    transition: all 0.3s ease;
    box-shadow: 0 0 4px var(--c-cyan);
}

.hud-burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hud-burger.active span:nth-child(2) { opacity: 0; }
.hud-burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============== HERO ============== */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    padding: calc(var(--nav-h) + 40px) var(--container-p) 60px;
    overflow: hidden;
}

.hero-data-stream {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    opacity: 0.15;
}

.data-stream {
    position: absolute;
    font-family: var(--f-mono);
    font-size: 12px;
    color: var(--c-cyan);
    white-space: nowrap;
    animation: streamFlow 20s linear infinite;
    text-shadow: 0 0 6px var(--c-cyan);
}

.data-stream:nth-child(1) { top: 10%; left: -50%; animation-duration: 18s; }
.data-stream:nth-child(2) { top: 30%; left: -80%; animation-duration: 25s; color: var(--c-pink); text-shadow: 0 0 6px var(--c-pink); animation-delay: -5s; }
.data-stream:nth-child(3) { top: 60%; left: -30%; animation-duration: 22s; }
.data-stream:nth-child(4) { top: 85%; left: -100%; animation-duration: 30s; color: var(--c-pink); text-shadow: 0 0 6px var(--c-pink); animation-delay: -10s; }

@keyframes streamFlow {
    0% { transform: translateX(0); }
    100% { transform: translateX(250vw); }
}

.hero-inner {
    width: 100%;
    max-width: var(--container-w);
    margin: 0 auto;
    position: relative;
    z-index: 2;
    animation: heroFadeIn 1s ease 2.6s backwards;
}

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-meta {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 32px;
    font-family: var(--f-mono);
    font-size: 12px;
    color: var(--c-text-dim);
    letter-spacing: 0.1em;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--c-border);
    max-width: 800px;
}

.meta-item {
    display: flex;
    gap: 8px;
}

.meta-key {
    color: var(--c-cyan-dim);
}

.meta-val {
    color: var(--c-white);
}

.hero-headline {
    margin-bottom: 32px;
}

.hero-headline h1 {
    font-family: var(--f-head);
    font-weight: 900;
    font-size: clamp(36px, 8vw, 96px);
    line-height: 1.05;
    letter-spacing: 0.04em;
    color: var(--c-white);
    margin-bottom: 12px;
}

.hero-en {
    font-family: var(--f-head);
    font-weight: 500;
    font-size: clamp(14px, 2vw, 24px);
    color: var(--c-cyan);
    letter-spacing: 0.4em;
    text-shadow: 0 0 16px var(--c-cyan);
    margin-left: 8px;
}

.hero-lead {
    font-size: clamp(15px, 1.6vw, 18px);
    line-height: 1.9;
    color: var(--c-text);
    margin-bottom: 48px;
    max-width: 720px;
}

.lead-prefix {
    color: var(--c-pink);
    font-family: var(--f-mono);
    margin-right: 8px;
    font-weight: 700;
}

.hero-cta-wrap {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-scroll {
    position: absolute;
    bottom: -20px;
    left: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--c-cyan-dim);
    letter-spacing: 0.2em;
}

.scroll-line {
    width: 60px;
    height: 1px;
    background: var(--c-cyan);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 30%;
    height: 100%;
    background: var(--c-white);
    animation: scrollLineMove 2s ease-in-out infinite;
}

@keyframes scrollLineMove {
    0% { left: -30%; }
    100% { left: 100%; }
}

/* HEROオーブ */
.hero-orb {
    position: absolute;
    right: -10%;
    top: 50%;
    transform: translateY(-50%);
    width: 700px;
    height: 700px;
    pointer-events: none;
    z-index: 1;
    opacity: 0.7;
}

.orb-ring {
    position: absolute;
    inset: 0;
    border: 1px solid var(--c-cyan);
    border-radius: 50%;
    opacity: 0.3;
    animation: orbSpin 20s linear infinite;
}

.orb-ring.r1 { inset: 0; border-style: dashed; }
.orb-ring.r2 { inset: 80px; border-color: var(--c-pink); opacity: 0.4; animation-direction: reverse; animation-duration: 15s; }
.orb-ring.r3 { inset: 160px; border-color: var(--c-cyan); animation-duration: 25s; }

.orb-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--c-cyan) 0%, transparent 70%);
    border-radius: 50%;
    animation: corePulse 4s ease-in-out infinite;
    filter: blur(2px);
}

@keyframes orbSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes corePulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
}

/* ============== ボタン ============== */
.btn-cyber {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    font-family: var(--f-head);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.15em;
    background: transparent;
    color: var(--c-cyan);
    border: 1px solid var(--c-cyan);
    overflow: hidden;
    transition: all 0.3s ease;
    text-transform: uppercase;
    isolation: isolate;
}

.btn-bracket {
    color: var(--c-pink);
    font-family: var(--f-mono);
    font-weight: 400;
    transition: all 0.3s ease;
}

.btn-text {
    position: relative;
    z-index: 2;
}

.btn-cyber::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--c-cyan), var(--c-pink));
    transform: translateX(-100%);
    transition: transform 0.4s ease;
    z-index: -1;
}

.btn-cyber:hover {
    color: var(--c-black);
    text-shadow: none;
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.6), inset 0 0 20px rgba(0, 0, 0, 0.2);
}

.btn-cyber:hover::before {
    transform: translateX(0);
}

.btn-cyber:hover .btn-bracket {
    color: var(--c-black);
    text-shadow: none;
}

.btn-glow {
    position: absolute;
    inset: -1px;
    pointer-events: none;
    box-shadow: 0 0 0 0 var(--c-cyan);
    transition: box-shadow 0.3s ease;
}

.btn-cyber:hover .btn-glow {
    box-shadow: 0 0 30px var(--c-cyan);
}

.btn-secondary {
    color: var(--c-pink);
    border-color: var(--c-pink);
}

.btn-secondary::before {
    background: linear-gradient(90deg, var(--c-pink), var(--c-cyan));
}

.btn-secondary:hover {
    color: var(--c-black);
    box-shadow: 0 0 30px rgba(255, 0, 255, 0.6);
}

.btn-large {
    padding: 20px 40px;
    font-size: 16px;
}

/* ============== 共通セクション ============== */
.section {
    padding: 120px var(--container-p);
    position: relative;
    overflow: hidden;
}

.container {
    max-width: var(--container-w);
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.section-bg-num {
    position: absolute;
    top: 80px;
    right: 5%;
    font-family: var(--f-head);
    font-size: clamp(120px, 18vw, 240px);
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 1px rgba(0, 255, 255, 0.08);
    pointer-events: none;
    user-select: none;
    line-height: 1;
    z-index: 1;
}

.section-header {
    margin-bottom: 64px;
    text-align: left;
    max-width: 800px;
}

.section-tag {
    font-family: var(--f-mono);
    font-size: 12px;
    color: var(--c-pink);
    letter-spacing: 0.3em;
    margin-bottom: 16px;
    display: inline-block;
    padding: 4px 10px;
    border: 1px solid var(--c-pink);
    border-radius: 2px;
    background: rgba(255, 0, 255, 0.05);
}

.section-title {
    font-family: var(--f-head);
    font-weight: 900;
    font-size: clamp(32px, 5vw, 56px);
    color: var(--c-white);
    letter-spacing: 0.04em;
    line-height: 1.1;
    margin-bottom: 16px;
}

.section-en {
    font-family: var(--f-mono);
    font-size: 13px;
    color: var(--c-cyan-dim);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.section-intro {
    font-size: clamp(15px, 1.5vw, 17px);
    line-height: 1.9;
    color: var(--c-text);
    margin-bottom: 60px;
    max-width: 720px;
}

/* ============== スクロールリビール ============== */
[data-reveal] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ============== GENESIS ============== */
.section-genesis {
    background: linear-gradient(180deg, transparent 0%, rgba(0, 31, 63, 0.1) 50%, transparent 100%);
}

.genesis-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.genesis-text p {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.9;
}

.lead-text {
    font-size: 18px !important;
    color: var(--c-off-white) !important;
}

.highlight-box {
    margin-top: 32px;
    padding: 24px;
    background: rgba(255, 0, 255, 0.05);
    border-left: 3px solid var(--c-pink);
    color: var(--c-off-white) !important;
    position: relative;
}

.hb-prefix {
    color: var(--c-pink);
    font-family: var(--f-mono);
    font-weight: 700;
    margin-right: 8px;
    text-shadow: 0 0 8px var(--c-pink);
}

.data-panel {
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.data-panel:hover {
    box-shadow: 0 0 40px rgba(0, 255, 255, 0.2);
    transform: translateY(-4px);
}

.panel-header {
    background: rgba(0, 0, 0, 0.4);
    padding: 12px 16px;
    border-bottom: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--c-gray);
}
.panel-dot:nth-child(1) { background: var(--c-pink); }
.panel-dot:nth-child(2) { background: var(--c-yellow); }
.panel-dot:nth-child(3) { background: var(--c-green); }

.panel-title {
    margin-left: 12px;
    font-family: var(--f-mono);
    font-size: 12px;
    color: var(--c-cyan-dim);
    letter-spacing: 0.1em;
}

.panel-body {
    padding: 20px;
    font-family: var(--f-mono);
    font-size: 13px;
    line-height: 2;
    min-height: 240px;
}

.log-line {
    opacity: 0;
    animation: logAppear 0.4s ease forwards;
}

.log-line:nth-child(1) { animation-delay: 0.2s; }
.log-line:nth-child(2) { animation-delay: 0.6s; }
.log-line:nth-child(3) { animation-delay: 1.0s; }
.log-line:nth-child(4) { animation-delay: 1.4s; }
.log-line:nth-child(5) { animation-delay: 1.8s; }
.log-line:nth-child(6) { animation-delay: 2.2s; }

@keyframes logAppear {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}

.log-time { color: var(--c-text-dim); margin-right: 12px; }
.log-msg.err { color: #ff4d4d; }
.log-msg.warn { color: var(--c-yellow); }
.log-msg.ok { color: var(--c-green); }
.log-msg.cyan { color: var(--c-cyan); text-shadow: 0 0 4px var(--c-cyan); }

.log-line.typing .log-msg {
    animation: cursorBlink 1s infinite;
}

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

/* ============== SOLUTION ============== */
.section-solution {
    background: linear-gradient(180deg, transparent 0%, rgba(42, 10, 42, 0.15) 50%, transparent 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    position: relative;
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    padding: 32px 28px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--c-cyan), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 255, 255, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.feature-card:hover {
    background: var(--c-bg-card-hover);
    border-color: var(--c-cyan);
    transform: translateY(-6px);
    box-shadow:
        0 10px 40px rgba(0, 255, 255, 0.3),
        inset 0 0 30px rgba(0, 255, 255, 0.05);
}

.feature-card:hover::before {
    transform: translateX(0);
}

.feature-card:hover::after {
    opacity: 1;
}

.card-num {
    font-family: var(--f-mono);
    font-size: 12px;
    color: var(--c-pink);
    letter-spacing: 0.2em;
    margin-bottom: 24px;
}

.card-icon {
    width: 64px;
    height: 64px;
    color: var(--c-cyan);
    margin-bottom: 24px;
    transition: all 0.4s ease;
    filter: drop-shadow(0 0 8px rgba(0, 255, 255, 0.4));
}

.feature-card:hover .card-icon {
    color: var(--c-cyan);
    filter: drop-shadow(0 0 16px var(--c-cyan));
    transform: scale(1.1) rotate(5deg);
}

.card-title {
    font-family: var(--f-head);
    font-size: 20px;
    font-weight: 700;
    color: var(--c-white);
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.card-jp {
    font-family: var(--f-mono);
    font-size: 12px;
    color: var(--c-cyan);
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.card-desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--c-text);
    margin-bottom: 24px;
}

.card-stats {
    display: flex;
    align-items: baseline;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px dashed var(--c-border);
}

.stat {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.stat-num {
    font-family: var(--f-head);
    font-size: 32px;
    font-weight: 900;
    color: var(--c-cyan);
    text-shadow: 0 0 12px var(--c-cyan);
    line-height: 1;
}

.stat-x {
    font-family: var(--f-head);
    font-size: 16px;
    color: var(--c-pink);
    font-weight: 700;
}

.stat-label {
    font-family: var(--f-mono);
    font-size: 10px;
    color: var(--c-text-dim);
    letter-spacing: 0.2em;
    margin-left: auto;
}

/* ============== ARCHITECTURE ============== */
.section-architecture {
    background: linear-gradient(180deg, transparent 0%, rgba(0, 31, 63, 0.1) 50%, transparent 100%);
}

.arch-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.arch-diagram {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 32px 24px;
}

.arch-layer {
    position: relative;
    padding: 20px 24px;
    background: linear-gradient(90deg, rgba(0, 255, 255, 0.05) 0%, transparent 100%);
    border: 1px solid var(--c-border);
    border-left: 3px solid var(--c-cyan);
    transition: all 0.4s ease;
    cursor: pointer;
    overflow: hidden;
}

.arch-layer::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.15), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.arch-layer:hover {
    border-left-color: var(--c-pink);
    transform: translateX(8px);
    box-shadow: -4px 0 20px rgba(255, 0, 255, 0.2);
}

.arch-layer:hover::before {
    transform: translateX(0);
}

.arch-layer[data-layer="5"] { border-left-color: var(--c-cyan); }
.arch-layer[data-layer="4"] { border-left-color: #00DDFF; }
.arch-layer[data-layer="3"] { border-left-color: var(--c-pink); }
.arch-layer[data-layer="2"] { border-left-color: var(--c-yellow); }
.arch-layer[data-layer="1"] { border-left-color: var(--c-green); }

.layer-label {
    position: absolute;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--c-text-dim);
    letter-spacing: 0.2em;
}

.layer-name {
    font-family: var(--f-head);
    font-size: 16px;
    font-weight: 700;
    color: var(--c-white);
    letter-spacing: 0.1em;
    margin-bottom: 4px;
}

.layer-detail {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--c-cyan-dim);
    letter-spacing: 0.15em;
}

.arch-connector {
    position: absolute;
    top: 32px;
    bottom: 32px;
    left: -1px;
    width: 1px;
    background: linear-gradient(180deg, var(--c-cyan), var(--c-pink), var(--c-yellow), var(--c-green));
    opacity: 0.3;
}

.arch-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-block {
    padding: 24px;
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.info-block:hover {
    border-color: var(--c-cyan);
    background: var(--c-bg-card-hover);
    transform: translateX(6px);
    box-shadow: -4px 0 20px rgba(0, 255, 255, 0.15);
}

.info-tag {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--c-pink);
    letter-spacing: 0.2em;
    margin-bottom: 12px;
}

.info-block h3 {
    font-family: var(--f-head);
    font-size: 22px;
    font-weight: 700;
    color: var(--c-white);
    margin-bottom: 12px;
    letter-spacing: 0.05em;
}

.info-block p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--c-text);
}

/* ============== PROTOCOL タイムライン ============== */
.section-protocol {
    background: linear-gradient(180deg, transparent 0%, rgba(42, 10, 42, 0.1) 50%, transparent 100%);
}

.timeline {
    position: relative;
    padding: 40px 0;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 110px;
    width: 2px;
    background: linear-gradient(180deg,
        var(--c-cyan) 0%,
        var(--c-cyan) 30%,
        rgba(0, 255, 255, 0.1) 100%);
}

.timeline-item {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 40px;
    margin-bottom: 40px;
    position: relative;
}

.tl-node {
    position: absolute;
    left: 102px;
    top: 24px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--c-black);
    border: 2px solid var(--c-cyan);
    box-shadow: 0 0 12px var(--c-cyan);
    z-index: 2;
}

.timeline-item:nth-child(2) .tl-node { border-color: var(--c-cyan-dim); box-shadow: 0 0 8px var(--c-cyan-dim); }
.timeline-item:nth-child(3) .tl-node { border-color: var(--c-text-dim); box-shadow: 0 0 4px var(--c-text-dim); }
.timeline-item:nth-child(4) .tl-node { border-color: var(--c-text-dim); box-shadow: 0 0 4px var(--c-text-dim); background: var(--c-text-dim); }

.timeline-item:first-child .tl-node {
    animation: nodePulse 2s infinite;
}

@keyframes nodePulse {
    0%, 100% { box-shadow: 0 0 12px var(--c-cyan), 0 0 0 0 rgba(0, 255, 255, 0.5); }
    50% { box-shadow: 0 0 20px var(--c-cyan), 0 0 0 12px rgba(0, 255, 255, 0); }
}

.tl-date {
    font-family: var(--f-head);
    font-size: 16px;
    font-weight: 700;
    color: var(--c-cyan);
    text-align: right;
    padding-top: 18px;
    letter-spacing: 0.1em;
}

.tl-content {
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    padding: 24px;
    transition: all 0.3s ease;
    position: relative;
}

.tl-content::before {
    content: '';
    position: absolute;
    top: 28px;
    left: -10px;
    width: 10px;
    height: 1px;
    background: var(--c-cyan);
}

.tl-content:hover {
    border-color: var(--c-cyan);
    background: var(--c-bg-card-hover);
    transform: translateX(4px);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
}

.tl-tag {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--c-pink);
    letter-spacing: 0.2em;
    margin-bottom: 8px;
}

.tl-content h4 {
    font-family: var(--f-head);
    font-size: 20px;
    font-weight: 700;
    color: var(--c-white);
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.tl-content p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--c-text);
    margin-bottom: 16px;
}

.tl-status {
    display: inline-block;
    padding: 4px 10px;
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 0.2em;
    border-radius: 2px;
    border: 1px solid currentColor;
}

.tl-status.active {
    color: var(--c-green);
    background: rgba(57, 255, 20, 0.05);
    animation: statusPulse 2s infinite;
}

.tl-status.pending {
    color: var(--c-cyan);
    background: rgba(0, 255, 255, 0.05);
}

.tl-status.locked {
    color: var(--c-text-dim);
    background: rgba(128, 128, 128, 0.05);
}

@keyframes statusPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(57, 255, 20, 0.5); }
    50% { box-shadow: 0 0 0 8px rgba(57, 255, 20, 0); }
}

/* ============== CTA ============== */
.section-cta {
    position: relative;
    text-align: center;
    padding: 120px var(--container-p);
    overflow: hidden;
}

.cta-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 0, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 0, 255, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    z-index: 1;
}

.cta-inner {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.cta-pre {
    font-family: var(--f-mono);
    font-size: 14px;
    color: var(--c-pink);
    letter-spacing: 0.3em;
    margin-bottom: 24px;
    animation: preBlink 2s infinite;
}

@keyframes preBlink {
    0%, 50%, 100% { opacity: 1; }
    25%, 75% { opacity: 0.5; }
}

.cta-title {
    font-family: var(--f-head);
    font-weight: 900;
    font-size: clamp(36px, 6vw, 72px);
    color: var(--c-white);
    letter-spacing: 0.04em;
    line-height: 1.1;
    margin-bottom: 24px;
}

.cta-sub {
    font-size: clamp(15px, 1.5vw, 18px);
    line-height: 1.8;
    color: var(--c-text);
    margin-bottom: 48px;
}

.cta-counter {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin-bottom: 48px;
    padding: 24px;
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 48px;
}

.counter-block {
    text-align: center;
    flex: 1;
}

.counter-label {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--c-cyan-dim);
    letter-spacing: 0.2em;
    margin-bottom: 12px;
}

.counter-num {
    font-family: var(--f-head);
    font-size: 40px;
    font-weight: 900;
    color: var(--c-pink);
    text-shadow: 0 0 16px var(--c-pink);
    line-height: 1;
}

.counter-time {
    font-family: var(--f-head);
    font-size: 32px;
    font-weight: 900;
    color: var(--c-cyan);
    text-shadow: 0 0 12px var(--c-cyan);
    line-height: 1;
    letter-spacing: 0.05em;
}

.counter-divider {
    width: 1px;
    height: 50px;
    background: linear-gradient(180deg, transparent, var(--c-border), transparent);
}

.cta-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.form-field {
    text-align: left;
}

.form-field label {
    display: block;
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--c-cyan-dim);
    letter-spacing: 0.2em;
    margin-bottom: 8px;
}

.form-field input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--c-border);
    color: var(--c-white);
    font-family: var(--f-mono);
    font-size: 14px;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    outline: none;
}

.form-field input:focus {
    border-color: var(--c-cyan);
    background: rgba(0, 255, 255, 0.05);
    box-shadow: 0 0 12px rgba(0, 255, 255, 0.3), inset 0 0 12px rgba(0, 255, 255, 0.05);
}

.form-field input::placeholder {
    color: var(--c-text-dim);
}

.form-note {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--c-text-dim);
    margin-top: 16px;
    letter-spacing: 0.1em;
}

.cta-success {
    padding: 40px;
    background: rgba(57, 255, 20, 0.05);
    border: 1px solid var(--c-green);
    border-radius: 4px;
    box-shadow: 0 0 40px rgba(57, 255, 20, 0.2);
    animation: successAppear 0.6s ease;
}

@keyframes successAppear {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.success-icon {
    font-size: 48px;
    color: var(--c-green);
    text-shadow: 0 0 20px var(--c-green);
    margin-bottom: 16px;
}

.success-title {
    font-family: var(--f-head);
    font-size: 24px;
    font-weight: 700;
    color: var(--c-white);
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

.success-msg {
    font-size: 14px;
    color: var(--c-text);
}

/* ============== フッター ============== */
.hud-footer {
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
    border-top: 1px solid var(--c-border);
    padding: 80px var(--container-p) 30px;
    position: relative;
}

.hud-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--c-cyan), transparent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--f-head);
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-logo .logo-mark {
    font-size: 24px;
}

.footer-logo .logo-name {
    font-size: 20px;
    letter-spacing: 0.15em;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--c-text-dim);
}

.footer-title {
    font-family: var(--f-mono);
    font-size: 12px;
    color: var(--c-cyan);
    letter-spacing: 0.3em;
    margin-bottom: 20px;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    font-family: var(--f-mono);
    font-size: 13px;
    color: var(--c-text);
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
    padding-left: 0;
}

.footer-col ul li a::before {
    content: '>';
    color: var(--c-pink);
    margin-right: 8px;
    opacity: 0;
    transform: translateX(-8px);
    transition: all 0.3s ease;
}

.footer-col ul li a:hover {
    color: var(--c-cyan);
    text-shadow: 0 0 8px var(--c-cyan);
    padding-left: 8px;
}

.footer-col ul li a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.social-list {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--c-border);
    color: var(--c-text);
    transition: all 0.3s ease;
    background: var(--c-bg-card);
}

.social-link svg {
    width: 18px;
    height: 18px;
}

.social-link:hover {
    color: var(--c-cyan);
    border-color: var(--c-cyan);
    background: rgba(0, 255, 255, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 255, 255, 0.3);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 255, 255, 0.1);
    font-family: var(--f-mono);
    font-size: 12px;
    color: var(--c-text-dim);
    letter-spacing: 0.1em;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-status {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--c-green);
}

.status-dot.pulse {
    width: 8px;
    height: 8px;
    background: var(--c-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--c-green);
    animation: dotPulse 1.5s infinite;
}

/* ============== サウンドトグル ============== */
.sound-toggle {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    color: var(--c-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    transition: all 0.3s ease;
    font-size: 18px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.sound-toggle:hover {
    background: rgba(0, 255, 255, 0.1);
    border-color: var(--c-cyan);
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.sound-toggle[aria-pressed="true"] {
    color: var(--c-pink);
    border-color: var(--c-pink);
    box-shadow: 0 0 20px rgba(255, 0, 255, 0.3);
}

/* ============== レスポンシブ ============== */
@media (max-width: 1024px) {
    :root {
        --container-p: 24px;
    }
    .arch-wrapper {
        grid-template-columns: 1fr;
    }
    .arch-diagram {
        max-width: 600px;
        margin: 0 auto;
        width: 100%;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-h: 60px;
        --container-p: 20px;
    }
    body { cursor: auto; }
    .cursor { display: none; }
    .hud-menu { display: none; }
    .hud-status { display: none; }
    .hud-burger { display: flex; }

    /* モバイルメニュー */
    .hud-menu.open {
        display: flex;
        position: fixed;
        top: var(--nav-h);
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(5, 5, 5, 0.98);
        padding: 20px;
        gap: 4px;
        border-bottom: 1px solid var(--c-border);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }
    .hud-menu.open .hud-link {
        padding: 14px 16px;
        font-size: 14px;
        border-bottom: 1px solid rgba(0, 255, 255, 0.05);
    }

    .hero {
        padding-top: calc(var(--nav-h) + 60px);
    }
    .hero-orb {
        opacity: 0.3;
        right: -40%;
        width: 500px;
        height: 500px;
    }
    .hero-meta {
        gap: 16px;
        flex-direction: column;
    }
    .hero-meta .meta-item { font-size: 11px; }

    .section {
        padding: 80px var(--container-p);
    }
    .section-bg-num {
        font-size: 100px;
        top: 40px;
    }
    .section-header {
        margin-bottom: 40px;
    }

    .genesis-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .genesis-visual { order: -1; }

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

    .timeline-line { left: 20px; }
    .timeline-item { grid-template-columns: 40px 1fr; gap: 16px; }
    .tl-node { left: 12px; top: 16px; }
    .tl-date { font-size: 13px; padding-top: 12px; text-align: left; }
    .tl-content::before { display: none; }

    .cta-counter {
        flex-direction: column;
        gap: 20px;
    }
    .counter-divider { width: 80%; height: 1px; }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-headline h1 { font-size: 36px; }
    .hero-en { font-size: 12px; letter-spacing: 0.2em; }
    .btn-cyber { padding: 14px 20px; font-size: 12px; }
    .btn-large { padding: 16px 28px; font-size: 13px; }
    .cta-title { font-size: 32px; }
    .counter-num { font-size: 28px; }
    .counter-time { font-size: 22px; }
    .hud-logo .logo-tag { display: none; }
    .hud-logo .logo-name { font-size: 14px; }
}

/* ============== アクセシビリティ ============== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .glitch::before, .glitch::after { display: none; }
    .hero-orb { display: none; }
    #particles-canvas { display: none; }
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 2px solid var(--c-cyan);
    outline-offset: 3px;
}

/* ============== プリント ============== */
@media print {
    .bg-layer, .cursor, .sound-toggle, .hero-orb, .loader {
        display: none !important;
    }
    body { background: white; color: black; }
}