/**
 * SOA AI Page — v1.9.238 「世界一のデジタル力」
 *
 * 参考：Anthropic Claude / OpenAI Sora / Apple Vision Pro /
 *      NVIDIA Omniverse / Linear / Vercel
 *
 * 演出層：
 *   - グローバル：パーティクル知性 / 走査ライン
 *   - HERO：HUD / ホログラム3D軌道 / グリッドフロア / ターミナル
 *   - CONVICTIONS：4Dカード（mouseTilt + 角コーナー + glow）
 *   - LAB：メッシュフィールド（Canvas）
 *   - MATRIX：ホログラム比較
 *   - PRINCIPLES：タイムラインレール
 *   - CREDO：データレイン + vignette
 *   - FAQ：Q番号 + 回転+ボタン
 *   - CTA：大型アロー + 背景グリッド
 */

/* ===========================================
 * デザイントークン
 * =========================================== */
.soa-ai-page {
	--ai-navy: #0a1628;
	--ai-navy-deep: #050a14;
	--ai-navy-light: #1a2640;
	--ai-gold: #b89968;
	--ai-gold-light: #d4c4a0;
	--ai-gold-bright: #e8d8b0;
	--ai-gold-glow: rgba(184, 153, 104, 0.6);
	--ai-cream: #fdfaf3;
	--ai-cream-soft: #f5efe2;
	--ai-text: #1a2640;
	--ai-text-soft: #50575e;
	--ai-line: rgba(184, 153, 104, 0.25);
	--ai-glass: rgba(255, 255, 255, 0.03);
	--ai-glass-border: rgba(184, 153, 104, 0.18);

	font-family: 'Inter', 'JetBrains Mono', -apple-system, 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
	color: var(--ai-text);
	background: #fff;
	overflow-x: hidden;
	position: relative;
}

.ai-container {
	max-width: 1180px;
	margin: 0 auto;
	padding: 0 32px;
	position: relative;
	z-index: 2;
}

/* ===========================================
 * グローバル：パーティクル知性層
 * =========================================== */
.ai-particles {
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	pointer-events: none;
	z-index: 0;
	opacity: 0.4;
	mix-blend-mode: screen;
}

/* グローバル：走査ライン */
.ai-scanline-global {
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 2px;
	background: linear-gradient(90deg, transparent, var(--ai-gold) 40%, var(--ai-gold-bright) 50%, var(--ai-gold) 60%, transparent);
	z-index: 9999;
	pointer-events: none;
	opacity: 0;
	box-shadow: 0 0 30px var(--ai-gold-glow);
	animation: ai-global-scan 8s ease-in-out infinite;
}
@keyframes ai-global-scan {
	0%   { transform: translateY(0); opacity: 0; }
	5%   { opacity: 0.7; }
	95%  { opacity: 0.7; }
	100% { transform: translateY(100vh); opacity: 0; }
}

/* ===========================================
 * セクションヘッダー（共通）
 * =========================================== */
.ai-section-head {
	text-align: center;
	max-width: 760px;
	margin: 0 auto 100px;
	position: relative;
}

.ai-section-head__num {
	display: inline-block;
	font-family: 'JetBrains Mono', 'Courier New', monospace;
	font-size: 10px;
	letter-spacing: 0.4em;
	color: var(--ai-gold);
	font-weight: 500;
	margin-bottom: 24px;
	padding: 4px 12px;
	border: 1px solid var(--ai-line);
	border-radius: 2px;
	background: rgba(184, 153, 104, 0.04);
}

.ai-section-head__eyebrow {
	display: block;
	font-family: 'Inter', sans-serif;
	font-size: 11px;
	letter-spacing: 0.45em;
	color: var(--ai-gold);
	font-weight: 700;
	margin-bottom: 20px;
	text-transform: uppercase;
}

.ai-section-head__title {
	font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
	font-size: clamp(32px, 5vw, 52px);
	font-weight: 500;
	line-height: 1.5;
	letter-spacing: 0.03em;
	color: var(--ai-navy);
	margin: 0 0 24px;
}

.ai-section-head__lead {
	font-family: 'Shippori Mincho', serif;
	font-size: 17px;
	line-height: 2.0;
	color: var(--ai-text-soft);
	margin: 0;
}

.ai-section-head--light .ai-section-head__title { color: var(--ai-gold-light); }
.ai-section-head--light .ai-section-head__lead  { color: #ffffff; }
.ai-section-head--light .ai-section-head__num { color: var(--ai-gold); border-color: var(--ai-gold); }

/* ===========================================
 * 1. HERO — ホログラフィック × HUD
 * =========================================== */
.ai-hero {
	position: relative;
	min-height: 100vh;
	background: radial-gradient(ellipse at center top, var(--ai-navy-light) 0%, var(--ai-navy) 40%, var(--ai-navy-deep) 100%);
	color: #fff;
	overflow: hidden;
	display: flex;
	align-items: center;
	padding: 120px 0;
	isolation: isolate;
}

/* HERO 背景ノイズ */
.ai-hero::before {
	content: "";
	position: absolute;
	inset: 0;
	background:
		linear-gradient(rgba(184, 153, 104, 0.04) 1px, transparent 1px),
		linear-gradient(90deg, rgba(184, 153, 104, 0.04) 1px, transparent 1px);
	background-size: 80px 80px;
	mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
	-webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
	pointer-events: none;
	z-index: 1;
}

/* HUD（左右） */
.ai-hud {
	position: absolute;
	top: 40%;
	transform: translateY(-50%);
	display: flex;
	flex-direction: column;
	gap: 12px;
	z-index: 5;
	font-family: 'JetBrains Mono', 'Courier New', monospace;
	font-size: 10px;
	letter-spacing: 0.08em;
	pointer-events: none;
	opacity: 0;
	animation: ai-hud-in 1.5s ease-out 1.5s forwards;
}
.ai-hud--left  { left: 32px;  align-items: flex-start; }
.ai-hud--right { right: 32px; align-items: flex-end;   }

@keyframes ai-hud-in {
	from { opacity: 0; transform: translateY(-50%) translateX(var(--ai-hud-from, -20px)); }
	to   { opacity: 1; transform: translateY(-50%) translateX(0); }
}
.ai-hud--left  { --ai-hud-from: -20px; }
.ai-hud--right { --ai-hud-from:  20px; }

.ai-hud__line {
	display: flex;
	gap: 12px;
	padding: 6px 12px;
	background: rgba(0, 0, 0, 0.35);
	border: 1px solid var(--ai-glass-border);
	border-radius: 2px;
	backdrop-filter: blur(20px);
	-webkit-backdrop-filter: blur(20px);
	min-width: 160px;
}
.ai-hud--right .ai-hud__line { flex-direction: row-reverse; }

.ai-hud__key {
	color: rgba(212, 196, 160, 0.5);
	font-weight: 500;
	min-width: 50px;
}
.ai-hud__val {
	color: var(--ai-gold-light);
	font-weight: 600;
	flex: 1;
}
.ai-hud__val--ok {
	color: #5ac26b;
}
.ai-hud__val--ok::before {
	content: "● ";
	color: #5ac26b;
	animation: ai-hud-blink 1.5s ease-in-out infinite;
}
.ai-hud__val--pulse {
	animation: ai-hud-text-pulse 2s ease-in-out infinite;
}
@keyframes ai-hud-blink {
	0%, 100% { opacity: 1; }
	50% { opacity: 0.4; }
}
@keyframes ai-hud-text-pulse {
	0%, 100% { text-shadow: 0 0 0 transparent; }
	50% { text-shadow: 0 0 8px var(--ai-gold-glow); }
}

@media (max-width: 1100px) {
	.ai-hud { display: none; }
}

/* 隅のクロスヘア */
.ai-crosshair {
	position: absolute;
	width: 32px;
	height: 32px;
	z-index: 4;
	opacity: 0;
	animation: ai-crosshair-in 1.2s ease-out 0.8s forwards;
}
.ai-crosshair::before,
.ai-crosshair::after {
	content: "";
	position: absolute;
	background: var(--ai-gold);
}
.ai-crosshair::before { width: 100%; height: 1px; top: 0; }
.ai-crosshair::after  { width: 1px; height: 100%; left: 0; }

.ai-crosshair--tl { top: 24px; left: 24px; }
.ai-crosshair--tr { top: 24px; right: 24px; transform: scaleX(-1); }
.ai-crosshair--bl { bottom: 24px; left: 24px; transform: scaleY(-1); }
.ai-crosshair--br { bottom: 24px; right: 24px; transform: scale(-1); }

@keyframes ai-crosshair-in {
	from { opacity: 0; }
	to   { opacity: 0.8; }
}

/* 3D ホログラム軌道 */
.ai-hero__hologram {
	position: absolute;
	top: 50%;
	left: 50%;
	width: 600px;
	height: 600px;
	transform: translate(-50%, -50%);
	pointer-events: none;
	z-index: 2;
	transform-style: preserve-3d;
	perspective: 1200px;
	opacity: 0.7;
}

.ai-hero__core {
	position: absolute;
	top: 50%;
	left: 50%;
	width: 60px;
	height: 60px;
	transform: translate(-50%, -50%);
	border-radius: 50%;
	background: radial-gradient(circle, var(--ai-gold-bright) 0%, var(--ai-gold) 40%, transparent 80%);
	filter: blur(2px);
	box-shadow:
		0 0 40px var(--ai-gold),
		0 0 80px var(--ai-gold-glow),
		0 0 120px rgba(184, 153, 104, 0.3);
	animation: ai-core-pulse 3s ease-in-out infinite;
}
@keyframes ai-core-pulse {
	0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.9; }
	50%      { transform: translate(-50%, -50%) scale(1.3); opacity: 1; }
}

.ai-hero__ring {
	position: absolute;
	top: 50%;
	left: 50%;
	border: 1px solid rgba(184, 153, 104, 0.3);
	border-radius: 50%;
	transform-style: preserve-3d;
}
.ai-hero__ring--1 {
	width: 280px; height: 280px;
	margin: -140px 0 0 -140px;
	transform: rotateX(75deg) rotateZ(0deg);
	animation: ai-ring-spin 20s linear infinite;
	border-color: rgba(184, 153, 104, 0.4);
}
.ai-hero__ring--2 {
	width: 420px; height: 420px;
	margin: -210px 0 0 -210px;
	transform: rotateX(75deg) rotateY(30deg);
	animation: ai-ring-spin 32s linear infinite reverse;
	border-color: rgba(212, 196, 160, 0.25);
	border-style: dashed;
}
.ai-hero__ring--3 {
	width: 560px; height: 560px;
	margin: -280px 0 0 -280px;
	transform: rotateX(75deg) rotateY(60deg);
	animation: ai-ring-spin 48s linear infinite;
	border-color: rgba(184, 153, 104, 0.15);
}
@keyframes ai-ring-spin {
	from { transform: rotateX(75deg) rotateZ(0deg); }
	to   { transform: rotateX(75deg) rotateZ(360deg); }
}

/* 軌道粒子 */
.ai-hero__orbit-particle {
	position: absolute;
	top: 50%;
	left: 50%;
	width: 8px;
	height: 8px;
	margin: -4px 0 0 -4px;
	background: var(--ai-gold-bright);
	border-radius: 50%;
	box-shadow: 0 0 12px var(--ai-gold), 0 0 24px var(--ai-gold-glow);
	transform-style: preserve-3d;
}
.ai-hero__orbit-particle--1 {
	animation: ai-orbit-1 8s linear infinite;
}
.ai-hero__orbit-particle--2 {
	animation: ai-orbit-2 12s linear infinite;
	background: var(--ai-gold-light);
}
.ai-hero__orbit-particle--3 {
	animation: ai-orbit-3 18s linear infinite;
	width: 6px; height: 6px; margin: -3px 0 0 -3px;
}
@keyframes ai-orbit-1 {
	from { transform: rotate(0deg) translateX(140px) rotate(0deg); }
	to   { transform: rotate(360deg) translateX(140px) rotate(-360deg); }
}
@keyframes ai-orbit-2 {
	from { transform: rotate(120deg) translateX(210px) rotate(-120deg); }
	to   { transform: rotate(480deg) translateX(210px) rotate(-480deg); }
}
@keyframes ai-orbit-3 {
	from { transform: rotate(240deg) translateX(280px) rotate(-240deg); }
	to   { transform: rotate(600deg) translateX(280px) rotate(-600deg); }
}

/* グリッドフロア（透視） */
.ai-hero__floor {
	position: absolute;
	bottom: 0;
	left: 50%;
	width: 200%;
	height: 50vh;
	transform: translateX(-50%) perspective(800px) rotateX(75deg);
	transform-origin: center bottom;
	background:
		linear-gradient(transparent 0%, rgba(184, 153, 104, 0.15) 100%),
		linear-gradient(rgba(184, 153, 104, 0.3) 1px, transparent 1px),
		linear-gradient(90deg, rgba(184, 153, 104, 0.3) 1px, transparent 1px);
	background-size: 100% 100%, 60px 60px, 60px 60px;
	background-position: 0 0, 0 0, 0 0;
	animation: ai-floor-move 8s linear infinite;
	pointer-events: none;
	z-index: 1;
	mask-image: linear-gradient(transparent 0%, #000 30%, #000 100%);
	-webkit-mask-image: linear-gradient(transparent 0%, #000 30%, #000 100%);
}
@keyframes ai-floor-move {
	from { background-position: 0 0, 0 0, 0 0; }
	to   { background-position: 0 0, 0 60px, 0 0; }
}

.ai-hero__container {
	position: relative;
	z-index: 3;
}

.ai-hero__inner {
	max-width: 900px;
	margin: 0 auto;
	text-align: center;
	transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
	animation: ai-hero-fade 1.4s ease-out;
}
@keyframes ai-hero-fade {
	from { opacity: 0; transform: translateY(30px); }
	to   { opacity: 1; transform: translateY(0); }
}

.ai-hero__eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	font-family: 'Inter', sans-serif;
	font-size: 11px;
	letter-spacing: 0.5em;
	color: var(--ai-gold);
	font-weight: 700;
	margin-bottom: 40px;
	padding: 10px 24px;
	border: 1px solid var(--ai-glass-border);
	border-radius: 2px;
	background: rgba(0, 0, 0, 0.4);
	backdrop-filter: blur(20px);
	-webkit-backdrop-filter: blur(20px);
	text-transform: uppercase;
}

.ai-hero__eyebrow-dot {
	width: 6px;
	height: 6px;
	background: var(--ai-gold-bright);
	border-radius: 50%;
	animation: ai-eyebrow-dot 1.5s ease-in-out infinite;
	box-shadow: 0 0 10px var(--ai-gold-glow);
}
.ai-hero__eyebrow-dot:nth-child(3) { animation-delay: 0.75s; }
@keyframes ai-eyebrow-dot {
	0%, 100% { opacity: 0.3; transform: scale(0.8); }
	50%      { opacity: 1; transform: scale(1.2); }
}

.ai-hero__title {
	font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
	font-size: clamp(38px, 6.5vw, 76px);
	font-weight: 500;
	line-height: 1.4;
	letter-spacing: 0.05em;
	color: #fff;
	margin: 0 0 32px;
	position: relative;
	text-shadow: 0 0 40px rgba(184, 153, 104, 0.3);
}

.ai-hero__subtitle {
	font-family: 'Shippori Mincho', serif;
	font-size: clamp(16px, 2vw, 20px);
	line-height: 2.0;
	color: var(--ai-gold-light);
	margin: 0 0 32px;
	max-width: 720px;
	margin-left: auto;
	margin-right: auto;
	letter-spacing: 0.04em;
}

.ai-hero__lead {
	font-family: 'Hiragino Mincho ProN', 'Yu Mincho', serif;
	font-size: 14px;
	line-height: 2.2;
	color: #ffffff;
	max-width: 600px;
	margin: 0 auto 48px;
	letter-spacing: 0.04em;
}

/* ターミナル */
.ai-hero__terminal {
	max-width: 480px;
	margin: 0 auto;
	background: rgba(0, 0, 0, 0.6);
	border: 1px solid var(--ai-glass-border);
	border-radius: 6px;
	backdrop-filter: blur(30px);
	-webkit-backdrop-filter: blur(30px);
	overflow: hidden;
	box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.ai-hero__terminal-bar {
	display: flex;
	align-items: center;
	gap: 6px;
	padding: 10px 14px;
	background: rgba(184, 153, 104, 0.08);
	border-bottom: 1px solid var(--ai-glass-border);
}
.ai-hero__terminal-dot {
	width: 9px;
	height: 9px;
	border-radius: 50%;
	background: rgba(184, 153, 104, 0.4);
}
.ai-hero__terminal-dot:nth-child(1) { background: #ff5f57; }
.ai-hero__terminal-dot:nth-child(2) { background: #ffbd2e; }
.ai-hero__terminal-dot:nth-child(3) { background: #28c940; }
.ai-hero__terminal-title {
	margin-left: auto;
	font-family: 'JetBrains Mono', monospace;
	font-size: 10px;
	color: rgba(212, 196, 160, 0.5);
	letter-spacing: 0.1em;
}

.ai-hero__terminal-body {
	padding: 16px 18px;
	text-align: left;
	font-family: 'JetBrains Mono', 'Courier New', monospace;
}
.ai-hero__terminal-line {
	display: flex;
	gap: 10px;
	font-size: 13px;
	line-height: 1.8;
	color: var(--ai-gold-light);
}
.ai-hero__terminal-line--secondary {
	color: rgba(212, 196, 160, 0.6);
	margin-top: 4px;
}
.ai-hero__terminal-prompt {
	color: var(--ai-gold);
	font-weight: 600;
	flex-shrink: 0;
}

/* スクロール促し */
.ai-hero__scroll {
	position: absolute;
	bottom: 60px;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 12px;
	z-index: 4;
	opacity: 0;
	animation: ai-scroll-in 1s ease-out 2s forwards;
}
@keyframes ai-scroll-in {
	from { opacity: 0; }
	to   { opacity: 1; }
}
.ai-hero__scroll-line {
	width: 1px;
	height: 50px;
	background: linear-gradient(180deg, var(--ai-gold), transparent);
	animation: ai-scroll-line 2s ease-in-out infinite;
	transform-origin: top;
}
@keyframes ai-scroll-line {
	0%, 100% { transform: scaleY(1); opacity: 0.4; }
	50%      { transform: scaleY(0.3); opacity: 1; }
}
.ai-hero__scroll-label {
	font-family: 'JetBrains Mono', monospace;
	font-size: 9px;
	letter-spacing: 0.5em;
	color: var(--ai-gold);
	opacity: 0.6;
}

/* テキストグリッチ（HERO タイトル） */
[data-soa-glitch] {
	position: relative;
	display: inline-block;
}
[data-soa-glitch].is-glitching::before,
[data-soa-glitch].is-glitching::after {
	content: attr(data-soa-glitch);
	position: absolute;
	top: 0; left: 0;
	width: 100%;
	height: 100%;
	pointer-events: none;
}
[data-soa-glitch].is-glitching::before {
	color: #00ffea;
	transform: translate(-2px, 0);
	clip-path: polygon(0 20%, 100% 20%, 100% 50%, 0 50%);
	mix-blend-mode: screen;
}
[data-soa-glitch].is-glitching::after {
	color: #ff00aa;
	transform: translate(2px, 0);
	clip-path: polygon(0 60%, 100% 60%, 100% 90%, 0 90%);
	mix-blend-mode: screen;
}

/* ===========================================
 * 2. CONVICTIONS — 4Dカード
 * =========================================== */
.ai-conv {
	padding: 180px 0 160px;
	background: linear-gradient(180deg, #fff 0%, var(--ai-cream) 100%);
	position: relative;
	overflow: hidden;
}

.ai-section-bg {
	position: absolute;
	inset: 0;
	pointer-events: none;
	background:
		radial-gradient(circle at 20% 30%, rgba(184, 153, 104, 0.06), transparent 50%),
		radial-gradient(circle at 80% 70%, rgba(212, 196, 160, 0.05), transparent 50%);
}

.ai-conv__grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 32px;
}
@media (max-width: 768px) {
	.ai-conv__grid { grid-template-columns: 1fr; gap: 20px; }
}

.ai-conv__item {
	position: relative;
	background: #fff;
	border: 1px solid var(--ai-line);
	border-radius: 4px;
	padding: 48px 40px;
	overflow: hidden;
	transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.5s ease;
	transform-style: preserve-3d;
	opacity: 0;
	transform: translateY(40px);
}
.ai-conv__item.is-visible {
	opacity: 1;
	transform: translateY(0);
	transition: opacity 0.9s ease-out var(--ai-delay, 0s), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1) var(--ai-delay, 0s);
}
.ai-conv__item:hover {
	box-shadow: 0 30px 80px rgba(10, 22, 40, 0.12);
}
.ai-conv__item:hover .ai-conv__glow {
	opacity: 1;
}

/* 4隅のコーナー装飾 */
.ai-conv__corner {
	position: absolute;
	width: 16px;
	height: 16px;
	border: 1px solid var(--ai-gold);
}
.ai-conv__corner--tl { top: 8px; left: 8px;    border-right: 0; border-bottom: 0; }
.ai-conv__corner--tr { top: 8px; right: 8px;   border-left: 0;  border-bottom: 0; }
.ai-conv__corner--bl { bottom: 8px; left: 8px; border-right: 0; border-top: 0; }
.ai-conv__corner--br { bottom: 8px; right: 8px;border-left: 0;  border-top: 0; }

.ai-conv__num {
	font-family: 'JetBrains Mono', monospace;
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.3em;
	color: var(--ai-gold);
	margin-bottom: 20px;
	position: relative;
}
.ai-conv__num::after {
	content: "";
	display: inline-block;
	width: 24px;
	height: 1px;
	background: var(--ai-gold);
	margin-left: 8px;
	vertical-align: middle;
}

.ai-conv__title {
	font-family: 'Shippori Mincho', serif;
	font-size: 22px;
	font-weight: 600;
	line-height: 1.6;
	color: var(--ai-navy);
	margin: 0 0 18px;
	letter-spacing: 0.04em;
}

.ai-conv__body {
	font-family: 'Hiragino Mincho ProN', serif;
	font-size: 14px;
	line-height: 2.15;
	color: var(--ai-text-soft);
	margin: 0;
	letter-spacing: 0.03em;
}

.ai-conv__glow {
	position: absolute;
	inset: -1px;
	background: linear-gradient(135deg, var(--ai-gold) 0%, transparent 50%);
	opacity: 0;
	transition: opacity 0.5s ease;
	pointer-events: none;
	mix-blend-mode: overlay;
}

/* ===========================================
 * 3. LAB — メッシュフィールド
 * =========================================== */
.ai-lab {
	padding: 180px 0 160px;
	background: var(--ai-navy);
	color: #fff;
	position: relative;
	overflow: hidden;
	isolation: isolate;
}
.ai-lab__mesh {
	position: absolute;
	inset: 0;
	pointer-events: none;
	z-index: 1;
	opacity: 0.5;
}
.ai-lab__mesh canvas {
	width: 100%;
	height: 100%;
	display: block;
}

.ai-lab__grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 28px;
}
@media (max-width: 768px) {
	.ai-lab__grid { grid-template-columns: 1fr; gap: 16px; }
}

.ai-lab__item {
	position: relative;
	background: rgba(255, 255, 255, 0.02);
	border: 1px solid var(--ai-glass-border);
	backdrop-filter: blur(20px);
	-webkit-backdrop-filter: blur(20px);
	padding: 40px 36px;
	border-radius: 4px;
	transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
	overflow: hidden;
}
.ai-lab__item::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 1px;
	background: linear-gradient(90deg, transparent, var(--ai-gold), transparent);
	opacity: 0.5;
}
.ai-lab__item:hover {
	background: rgba(184, 153, 104, 0.05);
	border-color: var(--ai-gold);
	transform: translateY(-6px);
	box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(184, 153, 104, 0.1);
}

.ai-lab__index {
	font-family: 'JetBrains Mono', monospace;
	font-size: 10px;
	color: rgba(212, 196, 160, 0.4);
	letter-spacing: 0.3em;
	margin-bottom: 16px;
}

.ai-lab__label {
	display: inline-block;
	font-family: 'Inter', sans-serif;
	font-size: 10px;
	font-weight: 700;
	letter-spacing: 0.3em;
	color: var(--ai-navy);
	background: var(--ai-gold);
	padding: 5px 12px;
	margin-bottom: 22px;
	text-transform: uppercase;
}

.ai-lab__title {
	font-family: 'Shippori Mincho', serif;
	font-size: 20px;
	font-weight: 500;
	line-height: 1.6;
	color: var(--ai-gold-light);
	margin: 0 0 16px;
	letter-spacing: 0.03em;
}

.ai-lab__body {
	font-family: 'Hiragino Mincho ProN', serif;
	font-size: 15px;
	line-height: 2.0;
	color: #ffffff;
	margin: 0 0 24px;
	opacity: 1;
	font-weight: 500;
	text-shadow: 0 2px 10px rgba(0, 0, 0, 0.85), 0 0 16px rgba(0, 0, 0, 0.6);
}

.ai-lab__status {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-family: 'JetBrains Mono', monospace;
	font-size: 10px;
	color: #5ac26b;
	letter-spacing: 0.2em;
}
.ai-lab__status-dot {
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: #5ac26b;
	box-shadow: 0 0 8px #5ac26b;
	animation: ai-status-pulse 1.5s ease-in-out infinite;
}
@keyframes ai-status-pulse {
	0%, 100% { opacity: 1; transform: scale(1); }
	50%      { opacity: 0.5; transform: scale(1.3); }
}

/* ===========================================
 * 4. MATRIX — ホログラム比較
 * =========================================== */
.ai-matrix {
	padding: 180px 0 160px;
	background: #fff;
	position: relative;
}

.ai-matrix__grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 32px;
	max-width: 980px;
	margin: 0 auto;
}
@media (max-width: 768px) {
	.ai-matrix__grid { grid-template-columns: 1fr; gap: 20px; }
}

.ai-matrix__col {
	padding: 48px 40px;
	border-radius: 4px;
	position: relative;
	overflow: hidden;
}
.ai-matrix__col--can {
	background: linear-gradient(135deg, var(--ai-cream) 0%, #fff 100%);
	border: 1px solid var(--ai-gold);
}
.ai-matrix__col--cannot {
	background: linear-gradient(135deg, var(--ai-navy) 0%, var(--ai-navy-light) 100%);
	color: #fff;
	border: 1px solid var(--ai-navy);
}
.ai-matrix__col--cannot::before {
	content: "";
	position: absolute;
	inset: 0;
	background:
		linear-gradient(rgba(184, 153, 104, 0.06) 1px, transparent 1px),
		linear-gradient(90deg, rgba(184, 153, 104, 0.06) 1px, transparent 1px);
	background-size: 40px 40px;
	pointer-events: none;
	opacity: 0.6;
}

.ai-matrix__head {
	display: flex;
	align-items: center;
	gap: 18px;
	margin-bottom: 32px;
	padding-bottom: 24px;
	border-bottom: 1px solid var(--ai-line);
	position: relative;
}
.ai-matrix__col--cannot .ai-matrix__head {
	border-bottom-color: rgba(184, 153, 104, 0.25);
}

.ai-matrix__symbol {
	width: 48px;
	height: 48px;
	border-radius: 50%;
	background: var(--ai-gold);
	color: var(--ai-navy);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-family: 'Inter', sans-serif;
	font-size: 24px;
	font-weight: 300;
	flex-shrink: 0;
	box-shadow: 0 0 30px rgba(184, 153, 104, 0.3);
}
.ai-matrix__col--cannot .ai-matrix__symbol {
	background: var(--ai-gold);
	color: var(--ai-navy);
}

.ai-matrix__label {
	display: block;
	font-family: 'Shippori Mincho', serif;
	font-size: 22px;
	font-weight: 500;
	color: var(--ai-navy);
	letter-spacing: 0.04em;
}
.ai-matrix__col--cannot .ai-matrix__label { color: var(--ai-gold-light); }

.ai-matrix__sub {
	display: block;
	font-family: 'JetBrains Mono', monospace;
	font-size: 10px;
	letter-spacing: 0.3em;
	color: var(--ai-gold);
	margin-top: 4px;
	opacity: 0.7;
}

.ai-matrix__list {
	list-style: none;
	padding: 0;
	margin: 0;
	position: relative;
}

.ai-matrix__item {
	font-family: 'Hiragino Mincho ProN', serif;
	font-size: 16px;
	line-height: 2.0;
	color: var(--ai-text);
	padding: 14px 0 14px 32px;
	border-bottom: 1px dashed var(--ai-line);
	position: relative;
	letter-spacing: 0.03em;
	opacity: 0;
	transform: translateX(-10px);
	animation: ai-matrix-item-in 0.6s ease-out forwards;
	animation-delay: var(--ai-delay, 0s);
}
.ai-matrix__item:last-child { border-bottom: none; }
.ai-matrix__item::before {
	content: "";
	position: absolute;
	left: 0;
	top: 50%;
	width: 20px;
	height: 1px;
	background: var(--ai-gold);
	transform: translateY(-50%);
}
.ai-matrix__col--cannot .ai-matrix__item {
	color: #ffffff;
	border-bottom-color: rgba(184, 153, 104, 0.2);
}
@keyframes ai-matrix-item-in {
	to { opacity: 1; transform: translateX(0); }
}

.ai-matrix__note {
	margin-top: 60px;
	text-align: center;
	font-family: 'Shippori Mincho', serif;
	font-size: 17px;
	line-height: 2.1;
	color: var(--ai-navy);
	letter-spacing: 0.04em;
	font-weight: 500;
}

/* ===========================================
 * 5. PRINCIPLES — タイムラインレール
 * =========================================== */
.ai-principles {
	padding: 180px 0 160px;
	background: linear-gradient(180deg, var(--ai-navy-light) 0%, var(--ai-navy) 50%, var(--ai-navy-deep) 100%);
	color: #fff;
	position: relative;
	overflow: hidden;
}
.ai-principles__bg {
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(184, 153, 104, 0.04) 1px, transparent 1px),
		linear-gradient(90deg, rgba(184, 153, 104, 0.04) 1px, transparent 1px);
	background-size: 100px 100px;
	mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
	-webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
	pointer-events: none;
}

.ai-principles__list {
	list-style: none;
	padding: 0;
	margin: 0 auto;
	max-width: 880px;
	position: relative;
}

.ai-principles__item {
	display: grid;
	grid-template-columns: 60px 1fr;
	gap: 32px;
	padding: 48px 0;
	align-items: flex-start;
	position: relative;
	opacity: 0;
	transform: translateY(30px);
}
.ai-principles__item.is-visible {
	opacity: 1;
	transform: translateY(0);
	transition: opacity 1s ease-out var(--ai-delay, 0s), transform 1s cubic-bezier(0.22, 1, 0.36, 1) var(--ai-delay, 0s);
}

@media (max-width: 768px) {
	.ai-principles__item {
		grid-template-columns: 40px 1fr;
		gap: 18px;
		padding: 32px 0;
	}
}

.ai-principles__rail {
	position: relative;
	height: 100%;
	min-height: 80px;
	display: flex;
	justify-content: center;
}
.ai-principles__rail-dot {
	position: absolute;
	top: 8px;
	width: 14px;
	height: 14px;
	border-radius: 50%;
	background: var(--ai-gold);
	box-shadow: 0 0 0 4px rgba(184, 153, 104, 0.2), 0 0 20px var(--ai-gold-glow);
	z-index: 2;
}
.ai-principles__rail-line {
	position: absolute;
	top: 30px;
	bottom: -48px;
	width: 1px;
	background: linear-gradient(180deg, var(--ai-gold), transparent);
	opacity: 0.4;
}
.ai-principles__item:last-child .ai-principles__rail-line { display: none; }

.ai-principles__content { padding-top: 0; }

.ai-principles__num {
	font-family: 'JetBrains Mono', monospace;
	font-size: 28px;
	font-weight: 300;
	color: var(--ai-gold);
	letter-spacing: 0.1em;
	margin-bottom: 16px;
	line-height: 1;
}
.ai-principles__num::after {
	content: "";
	display: inline-block;
	width: 60px;
	height: 1px;
	background: var(--ai-gold);
	margin-left: 16px;
	vertical-align: middle;
	opacity: 0.5;
}

.ai-principles__title {
	font-family: 'Shippori Mincho', serif;
	font-size: 24px;
	font-weight: 500;
	line-height: 1.5;
	color: var(--ai-gold-light);
	margin: 0 0 18px;
	letter-spacing: 0.04em;
}

.ai-principles__text {
	font-family: 'Hiragino Mincho ProN', serif;
	font-size: 15px;
	line-height: 2.2;
	color: #ffffff;
	margin: 0;
	letter-spacing: 0.03em;
}

/* ===========================================
 * 6. SERVICES × AI
 * =========================================== */
.ai-services {
	padding: 180px 0 160px;
	background: var(--ai-cream);
	position: relative;
}

.ai-services__list {
	display: grid;
	gap: 18px;
	max-width: 900px;
	margin: 0 auto;
}

.ai-services__item {
	display: grid;
	grid-template-columns: 80px 1fr 40px;
	gap: 28px;
	align-items: center;
	background: #fff;
	border-left: 3px solid var(--ai-gold);
	padding: 32px 36px;
	transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
	position: relative;
	overflow: hidden;
}
.ai-services__item::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: linear-gradient(90deg, transparent, rgba(184, 153, 104, 0.04), transparent);
	transform: translateX(-100%);
	transition: transform 0.6s ease;
	pointer-events: none;
}
.ai-services__item:hover {
	border-left-width: 6px;
	transform: translateX(6px);
	box-shadow: 0 20px 50px rgba(10, 22, 40, 0.08);
}
.ai-services__item:hover::before {
	transform: translateX(100%);
}
.ai-services__item:hover .ai-services__arrow {
	transform: translateX(6px);
	color: var(--ai-navy);
}

@media (max-width: 768px) {
	.ai-services__item {
		grid-template-columns: 1fr;
		gap: 14px;
		padding: 24px 22px;
	}
	.ai-services__arrow { display: none; }
}

.ai-services__num {
	font-family: 'JetBrains Mono', monospace;
	font-size: 32px;
	font-weight: 200;
	color: var(--ai-gold);
	letter-spacing: 0.05em;
	line-height: 1;
}

.ai-services__content { min-width: 0; }

.ai-services__name {
	font-family: 'Shippori Mincho', serif;
	font-size: 19px;
	font-weight: 600;
	color: var(--ai-navy);
	margin: 0 0 10px;
	letter-spacing: 0.03em;
	line-height: 1.5;
}

.ai-services__body {
	font-family: 'Hiragino Mincho ProN', serif;
	font-size: 14px;
	line-height: 2.0;
	color: var(--ai-text-soft);
	margin: 0;
}

.ai-services__arrow {
	color: var(--ai-gold);
	transition: all 0.4s ease;
}

/* ===========================================
 * 6.5 CREDO — 究極演出
 * =========================================== */
.ai-credo {
	position: relative;
	padding: 200px 0 180px;
	background: #000;
	color: #fff;
	overflow: hidden;
	isolation: isolate;
}

.ai-credo__bg {
	position: absolute;
	inset: 0;
	z-index: 0;
}
.ai-credo__bg canvas {
	width: 100%;
	height: 100%;
	display: block;
}
.ai-credo__vignette {
	position: absolute;
	inset: 0;
	pointer-events: none;
	background: radial-gradient(ellipse at center, transparent 40%, rgba(0, 0, 0, 0.7) 100%);
	z-index: 1;
}

.ai-credo .ai-container { z-index: 2; }

.ai-credo__head {
	text-align: center;
	max-width: 880px;
	margin: 0 auto 100px;
}

.ai-credo__eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	font-family: 'Inter', sans-serif;
	font-size: 11px;
	letter-spacing: 0.5em;
	color: var(--ai-gold);
	font-weight: 700;
	margin-bottom: 36px;
	padding: 10px 24px;
	border: 1px solid var(--ai-gold);
	background: rgba(184, 153, 104, 0.06);
	backdrop-filter: blur(20px);
	-webkit-backdrop-filter: blur(20px);
	text-transform: uppercase;
}
.ai-credo__eyebrow-dot {
	width: 6px;
	height: 6px;
	background: var(--ai-gold-bright);
	border-radius: 50%;
	box-shadow: 0 0 10px var(--ai-gold);
	animation: ai-eyebrow-dot 1.5s ease-in-out infinite;
}

.ai-credo__title {
	font-family: 'Shippori Mincho', serif;
	font-size: clamp(44px, 7vw, 80px);
	font-weight: 600;
	line-height: 1.4;
	color: #fff;
	margin: 0 0 40px;
	letter-spacing: 0.04em;
	text-shadow: 0 0 60px rgba(184, 153, 104, 0.5);
	position: relative;
}
.ai-credo__title::after {
	content: "";
	display: block;
	width: 80px;
	height: 2px;
	background: linear-gradient(90deg, transparent, var(--ai-gold), transparent);
	margin: 32px auto 0;
}

.ai-credo__intro { max-width: 680px; margin: 0 auto; }
.ai-credo__intro-line {
	font-family: 'Shippori Mincho', serif;
	font-size: clamp(17px, 2.4vw, 22px);
	line-height: 2.1;
	color: var(--ai-gold-light);
	margin: 0;
	letter-spacing: 0.06em;
	font-weight: 500;
}
.ai-credo__intro-line + .ai-credo__intro-line { margin-top: 6px; }

.ai-credo__body {
	max-width: 900px;
	margin: 0 auto 120px;
	display: flex;
	flex-direction: column;
	gap: 72px;
}

.ai-credo__paragraph {
	display: grid;
	grid-template-columns: 80px 1fr;
	gap: 40px;
	align-items: flex-start;
	opacity: 0;
	transform: translateY(30px);
}
.ai-credo__paragraph.is-visible {
	opacity: 1;
	transform: translateY(0);
	transition: opacity 1s ease-out var(--ai-delay, 0s), transform 1s cubic-bezier(0.22, 1, 0.36, 1) var(--ai-delay, 0s);
}

@media (max-width: 768px) {
	.ai-credo__paragraph { grid-template-columns: 60px 1fr; gap: 18px; }
}

.ai-credo__paragraph-num {
	font-family: 'JetBrains Mono', monospace;
	font-size: 36px;
	font-weight: 200;
	color: var(--ai-gold);
	line-height: 1;
	letter-spacing: 0.05em;
	border-top: 1px solid var(--ai-gold);
	padding-top: 20px;
	position: relative;
}
.ai-credo__paragraph-num::before {
	content: "";
	position: absolute;
	top: -1px;
	left: 0;
	width: 28px;
	height: 1px;
	background: var(--ai-gold-bright);
	box-shadow: 0 0 12px var(--ai-gold);
}

.ai-credo__paragraph-text p {
	font-family: 'Hiragino Mincho ProN', 'Yu Mincho', serif;
	font-size: clamp(16px, 2vw, 19px);
	line-height: 2.3;
	color: rgba(245, 239, 226, 0.92);
	margin: 0 0 8px;
	letter-spacing: 0.06em;
	font-weight: 400;
}
.ai-credo__paragraph-text p:first-child {
	color: var(--ai-gold-light);
	font-weight: 600;
	font-family: 'Shippori Mincho', serif;
	font-size: clamp(19px, 2.4vw, 23px);
	margin-bottom: 16px;
}

.ai-credo__pillars {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
	max-width: 1040px;
	margin: 0 auto 120px;
}
@media (max-width: 768px) {
	.ai-credo__pillars { grid-template-columns: 1fr; gap: 16px; }
}

.ai-credo__pillar {
	position: relative;
	background: rgba(255, 255, 255, 0.02);
	border: 1px solid var(--ai-glass-border);
	backdrop-filter: blur(20px);
	-webkit-backdrop-filter: blur(20px);
	padding: 40px 32px;
	transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
	overflow: hidden;
	opacity: 0;
	transform: translateY(30px);
}
.ai-credo__pillar.is-visible {
	opacity: 1;
	transform: translateY(0);
	transition: opacity 1s ease-out var(--ai-delay, 0s), transform 1s ease-out var(--ai-delay, 0s);
}
.ai-credo__pillar::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 1px;
	background: linear-gradient(90deg, transparent, var(--ai-gold), transparent);
	opacity: 0.6;
}
.ai-credo__pillar:hover {
	background: rgba(184, 153, 104, 0.06);
	border-color: var(--ai-gold);
	transform: translateY(-6px);
	box-shadow: 0 30px 60px rgba(184, 153, 104, 0.15);
}

.ai-credo__pillar-label {
	display: inline-block;
	font-family: 'Inter', sans-serif;
	font-size: 10px;
	letter-spacing: 0.4em;
	font-weight: 700;
	color: var(--ai-navy);
	background: var(--ai-gold);
	padding: 6px 12px;
	margin-bottom: 24px;
	text-transform: uppercase;
}

.ai-credo__pillar-title {
	font-family: 'Shippori Mincho', serif;
	font-size: 22px;
	font-weight: 500;
	color: #fff;
	margin: 0 0 18px;
	line-height: 1.5;
	letter-spacing: 0.04em;
}

.ai-credo__pillar-body {
	font-family: 'Hiragino Mincho ProN', serif;
	font-size: 13px;
	line-height: 2.0;
	color: #ffffff;
	margin: 0;
	letter-spacing: 0.03em;
}

.ai-credo__quote {
	max-width: 760px;
	margin: 0 auto;
	text-align: center;
	position: relative;
	padding: 60px 40px;
}
.ai-credo__quote::before,
.ai-credo__quote::after {
	content: "";
	position: absolute;
	height: 1px;
	background: linear-gradient(90deg, transparent, var(--ai-gold), transparent);
	left: 15%;
	right: 15%;
}
.ai-credo__quote::before { top: 0; }
.ai-credo__quote::after  { bottom: 0; }

.ai-credo__quote-mark {
	display: inline-block;
	font-family: 'Shippori Mincho', serif;
	font-size: 40px;
	color: var(--ai-gold);
	line-height: 1;
	vertical-align: top;
}
.ai-credo__quote-mark--close { margin-top: 24px; }

.ai-credo__quote-text {
	display: inline-block;
	font-family: 'Shippori Mincho', serif;
	font-size: clamp(26px, 3.8vw, 40px);
	font-weight: 500;
	color: #fff;
	margin: 0 16px;
	line-height: 1.6;
	letter-spacing: 0.1em;
	vertical-align: middle;
	text-shadow: 0 0 40px rgba(184, 153, 104, 0.5);
	position: relative;
}

/* ===========================================
 * 7. FAQ
 * =========================================== */
.ai-faq {
	padding: 180px 0 160px;
	background: linear-gradient(180deg, var(--ai-navy-deep) 0%, var(--ai-navy) 100%);
	color: #fff;
}

.ai-faq__list {
	max-width: 880px;
	margin: 0 auto;
}

.ai-faq__item {
	border-bottom: 1px solid rgba(184, 153, 104, 0.2);
	padding: 4px 0;
}

.ai-faq__q {
	display: flex;
	align-items: center;
	gap: 20px;
	padding: 30px 0;
	cursor: pointer;
	list-style: none;
	transition: all 0.3s ease;
}
.ai-faq__q::-webkit-details-marker { display: none; }
.ai-faq__q:hover { opacity: 0.85; }

.ai-faq__q-num {
	font-family: 'JetBrains Mono', monospace;
	font-size: 12px;
	font-weight: 600;
	color: var(--ai-gold);
	letter-spacing: 0.2em;
	flex-shrink: 0;
	padding: 4px 10px;
	border: 1px solid var(--ai-gold);
}

.ai-faq__q-text {
	flex: 1;
	font-family: 'Shippori Mincho', serif;
	font-size: 18px;
	line-height: 1.7;
	color: var(--ai-gold-light);
	letter-spacing: 0.04em;
}

.ai-faq__chevron {
	width: 32px;
	height: 32px;
	border: 1px solid rgba(184, 153, 104, 0.4);
	border-radius: 50%;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	color: var(--ai-gold);
	transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), background 0.3s ease;
	flex-shrink: 0;
}
.ai-faq__item[open] .ai-faq__chevron {
	transform: rotate(45deg);
	background: var(--ai-gold);
	color: var(--ai-navy);
}

.ai-faq__a {
	padding: 0 0 32px 70px;
	animation: ai-faq-open 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes ai-faq-open {
	from { opacity: 0; transform: translateY(-8px); }
	to   { opacity: 1; transform: translateY(0); }
}
@media (max-width: 768px) {
	.ai-faq__a { padding-left: 0; }
}

.ai-faq__a-text {
	font-family: 'Hiragino Mincho ProN', serif;
	font-size: 14px;
	line-height: 2.2;
	color: #ffffff;
	margin: 0;
	letter-spacing: 0.04em;
}

/* ===========================================
 * 8. CTA
 * =========================================== */
.ai-cta {
	padding: 160px 0;
	background: linear-gradient(135deg, var(--ai-gold) 0%, var(--ai-gold-light) 100%);
	position: relative;
	overflow: hidden;
}
.ai-cta__bg {
	position: absolute;
	inset: 0;
	pointer-events: none;
}
.ai-cta__bg-grid {
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(10, 22, 40, 0.06) 1px, transparent 1px),
		linear-gradient(90deg, rgba(10, 22, 40, 0.06) 1px, transparent 1px);
	background-size: 60px 60px;
	mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
	-webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}

.ai-cta__inner {
	position: relative;
	z-index: 2;
	text-align: center;
	max-width: 720px;
	margin: 0 auto;
}

.ai-cta__title {
	font-family: 'Shippori Mincho', serif;
	font-size: clamp(30px, 5vw, 46px);
	font-weight: 600;
	line-height: 1.6;
	color: var(--ai-navy);
	margin: 0 0 24px;
	letter-spacing: 0.04em;
}

.ai-cta__body {
	font-family: 'Hiragino Mincho ProN', serif;
	font-size: 16px;
	line-height: 2.1;
	color: var(--ai-navy);
	margin: 0 0 56px;
	letter-spacing: 0.04em;
	opacity: 0.9;
}

.ai-cta__btn {
	display: inline-flex;
	align-items: center;
	gap: 16px;
	padding: 22px 56px;
	background: var(--ai-navy);
	color: var(--ai-gold-light);
	text-decoration: none;
	font-family: 'Inter', sans-serif;
	font-size: 14px;
	font-weight: 700;
	letter-spacing: 0.15em;
	transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
	border: 1px solid var(--ai-navy);
	position: relative;
	overflow: hidden;
}
.ai-cta__btn::before {
	content: "";
	position: absolute;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100%;
	background: linear-gradient(90deg, transparent, rgba(184, 153, 104, 0.3), transparent);
	transition: left 0.6s ease;
}
.ai-cta__btn:hover {
	background: var(--ai-navy-deep);
	letter-spacing: 0.2em;
	box-shadow: 0 20px 50px rgba(10, 22, 40, 0.4);
	transform: translateY(-3px);
}
.ai-cta__btn:hover::before { left: 100%; }
.ai-cta__btn-arrow { transition: transform 0.4s ease; }
.ai-cta__btn:hover .ai-cta__btn-arrow { transform: translateX(6px); }

/* ===========================================
 * モバイル全体
 * =========================================== */
@media (max-width: 768px) {
	.ai-container { padding: 0 20px; }

	.ai-hero { padding: 100px 0 80px; min-height: auto; }
	.ai-hero__hologram { width: 320px; height: 320px; opacity: 0.4; }
	.ai-hero__floor { display: none; }

	.ai-conv,
	.ai-lab,
	.ai-matrix,
	.ai-principles,
	.ai-services,
	.ai-faq,
	.ai-credo,
	.ai-cta { padding: 100px 0 90px; }

	.ai-section-head { margin-bottom: 60px; }
	.ai-conv__item,
	.ai-lab__item { padding: 32px 24px; }
	.ai-matrix__col { padding: 32px 24px; }
}

/* ===========================================
 * モーション削減対応
 * =========================================== */
@media (prefers-reduced-motion: reduce) {
	* {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}
	.ai-particles { display: none; }
	.ai-scanline-global { display: none; }
	.ai-lab__mesh { display: none; }
	.ai-credo__bg canvas { display: none; }
}

/* ===========================================
 * 7.5 POLICY — AI 活用ポリシー（v1.9.240 新規）
 * =========================================== */
.ai-policy {
	padding: 180px 0 160px;
	background: linear-gradient(180deg, var(--ai-cream) 0%, #fff 100%);
	position: relative;
	overflow: hidden;
}
.ai-policy__bg {
	position: absolute;
	inset: 0;
	pointer-events: none;
	background-image:
		linear-gradient(rgba(184, 153, 104, 0.04) 1px, transparent 1px),
		linear-gradient(90deg, rgba(184, 153, 104, 0.04) 1px, transparent 1px);
	background-size: 50px 50px;
	mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
	-webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}

.ai-policy__list {
	max-width: 880px;
	margin: 0 auto;
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.ai-policy__item {
	display: grid;
	grid-template-columns: 80px 1fr;
	gap: 32px;
	padding: 36px 32px;
	background: #fff;
	border: 1px solid var(--ai-line);
	border-radius: 4px;
	transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
	position: relative;
	overflow: hidden;
	opacity: 0;
	transform: translateY(20px);
}
.ai-policy__item.is-visible {
	opacity: 1;
	transform: translateY(0);
	transition: opacity 0.9s ease-out var(--ai-delay, 0s), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1) var(--ai-delay, 0s);
}
.ai-policy__item:hover {
	border-color: var(--ai-gold);
	transform: translateY(-4px);
	box-shadow: 0 20px 50px rgba(10, 22, 40, 0.08);
}
.ai-policy__item:hover .ai-policy__num {
	color: var(--ai-navy);
	background: var(--ai-gold);
}

@media (max-width: 768px) {
	.ai-policy__item {
		grid-template-columns: 1fr;
		gap: 12px;
		padding: 28px 24px;
	}
}

.ai-policy__num {
	font-family: 'JetBrains Mono', monospace;
	font-size: 18px;
	font-weight: 600;
	color: var(--ai-gold);
	letter-spacing: 0.15em;
	padding: 8px 14px;
	border: 1px solid var(--ai-gold);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	height: 44px;
	transition: all 0.4s ease;
	background: transparent;
}

.ai-policy__title {
	font-family: 'Shippori Mincho', serif;
	font-size: 19px;
	font-weight: 600;
	color: var(--ai-navy);
	margin: 0 0 12px;
	letter-spacing: 0.03em;
	line-height: 1.5;
}

.ai-policy__body {
	font-family: 'Hiragino Mincho ProN', serif;
	font-size: 14px;
	line-height: 2.05;
	color: var(--ai-text-soft);
	margin: 0;
	letter-spacing: 0.03em;
}

.ai-policy__footer {
	max-width: 880px;
	margin: 60px auto 0;
	text-align: center;
	padding-top: 32px;
	border-top: 1px solid var(--ai-line);
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 16px;
}
.ai-policy__updated-label {
	font-family: 'JetBrains Mono', monospace;
	font-size: 10px;
	letter-spacing: 0.4em;
	color: var(--ai-gold);
	font-weight: 600;
}
.ai-policy__updated-date {
	font-family: 'Shippori Mincho', serif;
	font-size: 14px;
	color: var(--ai-navy);
	letter-spacing: 0.04em;
}

@media (max-width: 768px) {
	.ai-policy { padding: 100px 0 90px; }
	.ai-policy__num { font-size: 14px; height: 36px; }
}