/* ============================================================================
 * Kotaro Studio 購入者様限定アプリ案内 — External Stylesheet
 * パス: coldbox-child/css/app-guide.css
 *
 * 構造: ks-app-guide (root scope)
 *   ├─ Hero (悲しい無料時間 → 5 秒で解決の予告)
 *   ├─ Pain (顧客の悩みを言語化・主人公として共感)
 *   ├─ Solution Intro (朝比奈さんが Guide として登場)
 *   ├─ Modes (3 つの処理)
 *   ├─ Switches (3 つのスイッチ)
 *   ├─ Workflow (3 ステップ)
 *   ├─ Screenshot
 *   ├─ Security
 *   ├─ Exclusivity
 *   ├─ Login
 *   ├─ Video
 *   ├─ Password Form
 *   └─ Mic CTA
 *
 * ブランド: 黒 + 金 #c5a059 + 明朝 (LP・ガイド類と完全統一)
 * ============================================================================ */

#ks-app-guide {
	--ks-ink: #111;
	--ks-text: #333;
	--ks-muted: #666;
	--ks-gold: #c5a059;
	--ks-gold-deep: #b89b5e;
	--ks-gold-bg: rgba(197, 160, 89, 0.08);
	--ks-gold-line: rgba(197, 160, 89, 0.35);
	--ks-bg: #ffffff;
	--ks-bg-alt: #fafafa;
	--ks-bg-cream: #fdfbf3;
	--ks-line: #e6e6e6;
	/* モード/スイッチ用のアクセント (落ち着いた 3 色) */
	--ks-peak: #6b8e7f;       /* セージグリーン (ノーマライズ) */
	--ks-loudness: #5a7a96;   /* ダスティブルー (ラウドネス) */
	--ks-signature: #c5a059;  /* ゴールド (シグネチャー) */

	display: block;
	width: 100%;
	background: var(--ks-bg);
	color: var(--ks-text);
	font-family: "Hiragino Kaku Gothic ProN", "Helvetica Neue", "Yu Gothic", Arial, sans-serif;
	font-size: 16px;
	line-height: 1.95;
	letter-spacing: 0.03em;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	box-sizing: border-box;
	font-feature-settings: "palt";
}
#ks-app-guide *, #ks-app-guide *::before, #ks-app-guide *::after { box-sizing: border-box; }

/* セリフ系 (見出し・アクセント) */
#ks-app-guide .ks-en {
	font-family: "Cormorant Garamond", "Times New Roman", serif;
	letter-spacing: 0.08em;
}
#ks-app-guide .ks-mincho {
	font-family: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
}

/* ================================================================
   Hero (v2: 和の格調 / 装飾的 / アップル風からの脱却)
================================================================ */
#ks-app-guide .ks-app-hero {
	text-align: center;
	padding: clamp(80px, 10vw, 130px) clamp(20px, 4vw, 40px) clamp(60px, 8vw, 90px);
	background:
		radial-gradient(ellipse at 50% 0%, rgba(197, 160, 89, 0.05) 0%, transparent 60%),
		linear-gradient(180deg, var(--ks-bg-cream) 0%, #fffaef 50%, #ffffff 100%);
	border-bottom: 1px solid var(--ks-gold-line);
	position: relative;
	overflow: hidden;
}
/* 背景の和柄 (極淡い金色の麻の葉風点描) */
#ks-app-guide .ks-app-hero::before {
	content: '';
	position: absolute;
	inset: 0;
	background-image:
		radial-gradient(circle at 25% 25%, rgba(197, 160, 89, 0.06) 1px, transparent 2px),
		radial-gradient(circle at 75% 75%, rgba(197, 160, 89, 0.06) 1px, transparent 2px);
	background-size: 48px 48px;
	pointer-events: none;
}
/* 装飾的なコーナーフレーム (床の間風) */
#ks-app-guide .ks-app-hero::after {
	content: '';
	position: absolute;
	top: 36px; bottom: 36px;
	left: clamp(20px, 5vw, 60px); right: clamp(20px, 5vw, 60px);
	border-top: 1px solid rgba(197, 160, 89, 0.25);
	border-bottom: 1px solid rgba(197, 160, 89, 0.25);
	pointer-events: none;
}
#ks-app-guide .ks-app-hero-inner {
	position: relative;
	z-index: 2;
	max-width: 720px;
	margin: 0 auto;
}
/* 4 隅の金の鈎飾り */
#ks-app-guide .ks-hero-corner {
	position: absolute;
	width: 28px;
	height: 28px;
	pointer-events: none;
	z-index: 3;
}
#ks-app-guide .ks-hero-corner::before,
#ks-app-guide .ks-hero-corner::after {
	content: '';
	position: absolute;
	background: var(--ks-gold);
}
#ks-app-guide .ks-hero-corner::before { width: 100%; height: 1.5px; }
#ks-app-guide .ks-hero-corner::after { width: 1.5px; height: 100%; }
#ks-app-guide .ks-hero-corner--tl { top: 30px; left: clamp(14px, 4vw, 54px); }
#ks-app-guide .ks-hero-corner--tl::before { top: 0; left: 0; }
#ks-app-guide .ks-hero-corner--tl::after { top: 0; left: 0; }
#ks-app-guide .ks-hero-corner--tr { top: 30px; right: clamp(14px, 4vw, 54px); }
#ks-app-guide .ks-hero-corner--tr::before { top: 0; right: 0; }
#ks-app-guide .ks-hero-corner--tr::after { top: 0; right: 0; }
#ks-app-guide .ks-hero-corner--bl { bottom: 30px; left: clamp(14px, 4vw, 54px); }
#ks-app-guide .ks-hero-corner--bl::before { bottom: 0; left: 0; }
#ks-app-guide .ks-hero-corner--bl::after { bottom: 0; left: 0; }
#ks-app-guide .ks-hero-corner--br { bottom: 30px; right: clamp(14px, 4vw, 54px); }
#ks-app-guide .ks-hero-corner--br::before { bottom: 0; right: 0; }
#ks-app-guide .ks-hero-corner--br::after { bottom: 0; right: 0; }

/* 限定バッジ — 立体感のある金属プレート */
#ks-app-guide .ks-app-badge {
	display: inline-flex;
	align-items: center;
	gap: 14px;
	font-family: "Cormorant Garamond", serif;
	font-size: 12px;
	font-weight: 700;
	letter-spacing: 0.35em;
	color: var(--ks-ink);
	background:
		linear-gradient(135deg, #f5e7ba 0%, #d4b876 30%, var(--ks-gold) 50%, var(--ks-gold-deep) 100%);
	padding: 10px 28px;
	border-radius: 2px;
	margin-bottom: 38px;
	box-shadow:
		0 4px 14px rgba(197, 160, 89, 0.35),
		inset 0 1px 0 rgba(255, 255, 255, 0.5),
		inset 0 -1px 0 rgba(0, 0, 0, 0.1);
	text-transform: uppercase;
	position: relative;
}
#ks-app-guide .ks-app-badge::before,
#ks-app-guide .ks-app-badge::after {
	content: '✦';
	font-family: serif;
	color: var(--ks-ink);
	font-size: 10px;
	opacity: 0.7;
}

/* 装飾オーナメント (eyebrow と badge の間) */
#ks-app-guide .ks-hero-ornament {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 16px;
	margin-bottom: 26px;
}
#ks-app-guide .ks-hero-ornament-line {
	width: 60px;
	height: 1px;
	background: linear-gradient(90deg, transparent, var(--ks-gold) 50%, transparent);
}
#ks-app-guide .ks-hero-ornament-mark {
	font-family: serif;
	font-size: 14px;
	color: var(--ks-gold-deep);
	letter-spacing: 0.1em;
}

#ks-app-guide .ks-app-hero-eyebrow {
	font-family: "Cormorant Garamond", serif;
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.4em;
	color: var(--ks-gold-deep);
	text-transform: uppercase;
	display: block;
	margin-bottom: 28px;
}

#ks-app-guide .ks-app-hero-title {
	font-family: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
	font-size: clamp(34px, 5.8vw, 58px);
	font-weight: 500;
	color: var(--ks-ink);
	margin: 0 0 24px;
	line-height: 1.45;
	letter-spacing: 0.05em;
	position: relative;
}
#ks-app-guide .ks-app-hero-title em {
	font-style: normal;
	position: relative;
	display: inline-block;
	padding: 0 6px;
	color: var(--ks-ink);
}
#ks-app-guide .ks-app-hero-title em::before {
	content: '';
	position: absolute;
	left: 0; right: 0; bottom: 0.1em;
	height: 0.4em;
	background: linear-gradient(90deg,
		rgba(197, 160, 89, 0) 0%,
		rgba(245, 231, 186, 0.5) 20%,
		rgba(197, 160, 89, 0.45) 50%,
		rgba(245, 231, 186, 0.5) 80%,
		rgba(197, 160, 89, 0) 100%);
	z-index: -1;
	animation: ks-hero-highlight-glow 4s ease-in-out infinite;
}
@keyframes ks-hero-highlight-glow {
	0%, 100% { opacity: 1; }
	50% { opacity: 0.65; }
}

/* 手描き風の金色 sound wave */
#ks-app-guide .ks-hero-wave {
	max-width: 260px;
	margin: 8px auto 28px;
	opacity: 0.85;
}
#ks-app-guide .ks-hero-wave svg {
	display: block;
	width: 100%;
	height: auto;
}
#ks-app-guide .ks-hero-wave path {
	fill: none;
	stroke: var(--ks-gold);
	stroke-width: 1.5;
	stroke-linecap: round;
	stroke-dasharray: 600;
	stroke-dashoffset: 600;
	animation: ks-hero-wave-draw 2.4s cubic-bezier(0.65, 0, 0.35, 1) 0.4s forwards;
}
@keyframes ks-hero-wave-draw {
	to { stroke-dashoffset: 0; }
}
#ks-app-guide .ks-hero-wave-dot {
	fill: var(--ks-gold);
	opacity: 0;
	animation: ks-hero-wave-dot 2s ease-out 2.6s forwards;
}
@keyframes ks-hero-wave-dot {
	0% { opacity: 0; r: 0; }
	60% { opacity: 1; r: 4; }
	100% { opacity: 0.7; r: 3; }
}

#ks-app-guide .ks-app-hero-lead {
	font-size: clamp(15px, 1.7vw, 17px);
	color: var(--ks-text);
	line-height: 2.2;
	max-width: 620px;
	margin: 0 auto 40px;
}

#ks-app-guide .ks-app-hero-meta {
	display: inline-flex;
	gap: 22px;
	flex-wrap: wrap;
	justify-content: center;
	align-items: center;
	padding: 14px 30px;
	background:
		linear-gradient(135deg, #ffffff 0%, #fffaef 100%);
	border: 1px solid var(--ks-gold-line);
	border-radius: 2px;
	box-shadow:
		0 4px 14px rgba(197, 160, 89, 0.12),
		inset 0 1px 0 rgba(255, 255, 255, 0.8);
	font-size: 13px;
	font-weight: 500;
}
#ks-app-guide .ks-app-hero-meta strong {
	font-family: "Cormorant Garamond", serif;
	color: var(--ks-gold-deep);
	font-size: 17px;
	margin: 0 4px;
	font-weight: 700;
}
#ks-app-guide .ks-app-hero-meta-divider {
	color: var(--ks-gold);
	font-size: 9px;
	font-family: serif;
}

/* ================================================================
   Section common
================================================================ */
#ks-app-guide .ks-app-section {
	max-width: 920px;
	margin: 0 auto;
	padding: clamp(70px, 9vw, 110px) clamp(20px, 4vw, 40px);
	border-bottom: 1px solid var(--ks-line);
}
#ks-app-guide .ks-app-section:last-of-type { border-bottom: none; }
#ks-app-guide .ks-app-section-eyebrow {
	display: inline-block;
	font-family: "Cormorant Garamond", serif;
	font-size: 11px;
	font-weight: 700;
	letter-spacing: 0.32em;
	color: var(--ks-gold-deep);
	text-transform: uppercase;
	margin-bottom: 18px;
}
#ks-app-guide .ks-app-section-title {
	font-family: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
	font-size: clamp(28px, 4vw, 40px);
	font-weight: 500;
	color: var(--ks-ink);
	margin: 0 0 22px;
	line-height: 1.45;
	letter-spacing: 0.04em;
}
#ks-app-guide .ks-app-section-lead {
	font-size: 16px;
	color: var(--ks-text);
	line-height: 2.05;
	margin: 0 0 50px;
	max-width: 720px;
}

/* ================================================================
   Pain Section (悩み言語化)
================================================================ */
#ks-app-guide .ks-pain-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
	margin-top: 40px;
}
#ks-app-guide .ks-pain-card {
	background: var(--ks-bg-alt);
	border: 1px solid var(--ks-line);
	border-radius: 2px;
	padding: 36px 28px;
	text-align: center;
	position: relative;
	transition: border-color 0.3s ease, transform 0.3s ease;
}
#ks-app-guide .ks-pain-card:hover {
	border-color: var(--ks-gold-line);
	transform: translateY(-2px);
}
#ks-app-guide .ks-pain-icon {
	width: 56px;
	height: 56px;
	margin: 0 auto 20px;
	display: flex;
	align-items: center;
	justify-content: center;
	border: 1px solid var(--ks-line);
	border-radius: 50%;
	color: var(--ks-muted);
}
#ks-app-guide .ks-pain-title {
	font-family: "Shippori Mincho", "Hiragino Mincho ProN", serif;
	font-size: 17px;
	font-weight: 700;
	color: var(--ks-ink);
	margin: 0 0 12px;
	line-height: 1.6;
}
#ks-app-guide .ks-pain-text {
	font-size: 14px;
	color: var(--ks-muted);
	line-height: 1.95;
	margin: 0;
}

/* ================================================================
   Guide Block (朝比奈さん紹介 / 開発経緯)
================================================================ */
#ks-app-guide .ks-guide-block {
	background: var(--ks-bg-cream);
	border: 1px solid var(--ks-gold-line);
	border-radius: 2px;
	padding: clamp(40px, 6vw, 70px);
	margin: 60px 0 0;
}
#ks-app-guide .ks-guide-block-eyebrow {
	font-family: "Cormorant Garamond", serif;
	font-size: 11px;
	font-weight: 700;
	letter-spacing: 0.32em;
	color: var(--ks-gold-deep);
	text-transform: uppercase;
	margin-bottom: 14px;
	display: block;
}
#ks-app-guide .ks-guide-block-title {
	font-family: "Shippori Mincho", serif;
	font-size: clamp(22px, 3vw, 28px);
	font-weight: 500;
	color: var(--ks-ink);
	margin: 0 0 22px;
	line-height: 1.6;
}
#ks-app-guide .ks-guide-block p {
	font-size: 16px;
	color: var(--ks-text);
	line-height: 2.05;
	margin: 0 0 14px;
}
#ks-app-guide .ks-guide-block p:last-child { margin-bottom: 0; }
#ks-app-guide .ks-guide-block strong { color: var(--ks-ink); }
#ks-app-guide .ks-guide-block-sign {
	margin-top: 24px;
	padding-top: 24px;
	border-top: 1px solid var(--ks-gold-line);
	font-family: "Shippori Mincho", serif;
	font-size: 14px;
	color: var(--ks-muted);
	text-align: right;
}
#ks-app-guide .ks-guide-block-sign strong {
	color: var(--ks-ink);
	font-size: 16px;
	letter-spacing: 0.05em;
}

/* ================================================================
   Modes (3 つの処理)
================================================================ */
#ks-app-guide .ks-modes-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
	margin-top: 40px;
}
#ks-app-guide .ks-mode-card {
	background: #ffffff;
	border: 1px solid var(--ks-line);
	border-radius: 2px;
	padding: 40px 30px;
	display: flex;
	flex-direction: column;
	transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
	position: relative;
	overflow: hidden;
}
#ks-app-guide .ks-mode-card::before {
	content: '';
	position: absolute;
	top: 0; left: 0;
	width: 100%;
	height: 3px;
	background: var(--mode-color, var(--ks-gold));
	opacity: 0.85;
}
#ks-app-guide .ks-mode-card:hover {
	transform: translateY(-4px);
	border-color: var(--ks-gold-line);
	box-shadow: 0 10px 28px rgba(17, 17, 17, 0.06);
}
#ks-app-guide .ks-mode-card--peak { --mode-color: var(--ks-peak); }
#ks-app-guide .ks-mode-card--loudness { --mode-color: var(--ks-loudness); }
#ks-app-guide .ks-mode-card--signature { --mode-color: var(--ks-signature); }

#ks-app-guide .ks-mode-icon {
	width: 56px;
	height: 56px;
	margin-bottom: 24px;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	background: var(--ks-bg-cream);
	color: var(--mode-color);
}
#ks-app-guide .ks-mode-tag {
	font-family: "Cormorant Garamond", serif;
	font-size: 11px;
	font-weight: 700;
	letter-spacing: 0.28em;
	color: var(--mode-color);
	text-transform: uppercase;
	display: block;
	margin-bottom: 8px;
}
#ks-app-guide .ks-mode-name {
	font-family: "Shippori Mincho", serif;
	font-size: 20px;
	font-weight: 700;
	color: var(--ks-ink);
	margin: 0 0 16px;
	letter-spacing: 0.03em;
}
#ks-app-guide .ks-mode-desc {
	font-size: 14px;
	color: var(--ks-text);
	line-height: 1.95;
	margin: 0;
}

/* ================================================================
   Switches (3 つのスイッチ)
================================================================ */
#ks-app-guide .ks-switches-section {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: clamp(40px, 6vw, 80px);
	align-items: center;
}
#ks-app-guide .ks-switches-section .ks-app-section-title { margin-bottom: 24px; }
#ks-app-guide .ks-switches-list {
	display: flex;
	flex-direction: column;
	gap: 18px;
}
#ks-app-guide .ks-switch-row {
	display: flex;
	align-items: center;
	gap: 22px;
	padding: 22px 26px;
	background: #ffffff;
	border: 1px solid var(--ks-line);
	border-radius: 2px;
	cursor: pointer;
	transition: border-color 0.25s ease, transform 0.25s ease;
}
#ks-app-guide .ks-switch-row:hover {
	border-color: var(--ks-gold-line);
	transform: translateX(2px);
}
#ks-app-guide .ks-switch-row.is-on { border-color: var(--ks-gold); }

/* トグルスイッチ本体 (純粋 CSS / JS でクラス切替) */
#ks-app-guide .ks-toggle {
	flex-shrink: 0;
	position: relative;
	width: 58px;
	height: 30px;
	background: #d8dde3;
	border-radius: 50px;
	transition: background 0.3s ease;
}
#ks-app-guide .ks-toggle::before {
	content: '';
	position: absolute;
	top: 3px;
	left: 3px;
	width: 24px;
	height: 24px;
	background: #ffffff;
	border-radius: 50%;
	box-shadow: 0 2px 4px rgba(17, 17, 17, 0.18);
	transition: left 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.3s ease;
}
#ks-app-guide .ks-switch-row.is-on .ks-toggle {
	background: linear-gradient(135deg, var(--switch-color, var(--ks-gold)) 0%, var(--switch-color-deep, var(--ks-gold-deep)) 100%);
}
#ks-app-guide .ks-switch-row.is-on .ks-toggle::before {
	left: 31px;
}
#ks-app-guide .ks-switch-row--phase { --switch-color: #5a7a96; --switch-color-deep: #3f5c75; }
#ks-app-guide .ks-switch-row--eq { --switch-color: var(--ks-gold); --switch-color-deep: var(--ks-gold-deep); }
#ks-app-guide .ks-switch-row--reverb { --switch-color: #6b8e7f; --switch-color-deep: #4e6e60; }

#ks-app-guide .ks-switch-info { flex-grow: 1; }
#ks-app-guide .ks-switch-name {
	font-family: "Shippori Mincho", serif;
	font-size: 17px;
	font-weight: 700;
	color: var(--ks-ink);
	margin: 0 0 6px;
	letter-spacing: 0.03em;
}
#ks-app-guide .ks-switch-desc {
	font-size: 13px;
	color: var(--ks-muted);
	line-height: 1.8;
	margin: 0;
}

/* ================================================================
   Workflow (3 ステップ)
================================================================ */
#ks-app-guide .ks-workflow {
	background: linear-gradient(180deg, var(--ks-bg-cream) 0%, #ffffff 100%);
	border: 1px solid var(--ks-gold-line);
	border-radius: 2px;
	padding: clamp(40px, 6vw, 70px);
	margin-top: 40px;
}
#ks-app-guide .ks-workflow-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
	position: relative;
}
#ks-app-guide .ks-workflow-grid::before {
	/* 矢印ライン (デスクトップ) */
	content: '';
	position: absolute;
	top: 36px;
	left: 16%;
	right: 16%;
	height: 1px;
	background: repeating-linear-gradient(90deg, var(--ks-gold-line) 0 6px, transparent 6px 12px);
	z-index: 0;
}
#ks-app-guide .ks-workflow-step {
	text-align: center;
	position: relative;
	z-index: 1;
}
#ks-app-guide .ks-workflow-num {
	width: 72px;
	height: 72px;
	margin: 0 auto 22px;
	background: #ffffff;
	border: 2px solid var(--ks-gold);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-family: "Cormorant Garamond", serif;
	font-size: 28px;
	font-weight: 700;
	color: var(--ks-gold-deep);
	box-shadow: 0 4px 14px rgba(197, 160, 89, 0.2);
}
#ks-app-guide .ks-workflow-step h3 {
	font-family: "Shippori Mincho", serif;
	font-size: 18px;
	font-weight: 700;
	color: var(--ks-ink);
	margin: 0 0 12px;
	letter-spacing: 0.03em;
}
#ks-app-guide .ks-workflow-step p {
	font-size: 14px;
	color: var(--ks-text);
	line-height: 1.95;
	margin: 0;
}
#ks-app-guide .ks-workflow-result {
	text-align: center;
	margin-top: 50px;
	padding-top: 36px;
	border-top: 1px solid var(--ks-gold-line);
}
#ks-app-guide .ks-workflow-result-time {
	font-family: "Cormorant Garamond", serif;
	font-size: 48px;
	font-weight: 700;
	color: var(--ks-ink);
	line-height: 1;
	letter-spacing: 0.02em;
}
#ks-app-guide .ks-workflow-result-time small {
	font-size: 24px;
	color: var(--ks-gold-deep);
}
#ks-app-guide .ks-workflow-result-text {
	font-family: "Shippori Mincho", serif;
	font-size: 18px;
	color: var(--ks-ink);
	margin: 12px 0 0;
	letter-spacing: 0.04em;
}

/* ================================================================
   Screenshot
================================================================ */
#ks-app-guide .ks-screenshot {
	margin: 40px auto 0;
	max-width: 880px;
	border: 1px solid var(--ks-line);
	border-radius: 4px;
	overflow: hidden;
	box-shadow: 0 20px 50px rgba(17, 17, 17, 0.1);
	background: #ffffff;
}
#ks-app-guide .ks-screenshot img {
	display: block;
	width: 100%;
	height: auto;
}
#ks-app-guide .ks-screenshot-caption {
	font-size: 13px;
	color: var(--ks-muted);
	text-align: center;
	margin-top: 16px;
	letter-spacing: 0.05em;
}

/* ================================================================
   Security (v2: 白カード + 金アクセント・黒背景全廃)
================================================================ */
#ks-app-guide .ks-security {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 36px;
	align-items: center;
	background:
		linear-gradient(135deg, #ffffff 0%, #fffaef 100%);
	color: var(--ks-text);
	padding: clamp(40px, 5vw, 60px);
	border-radius: 2px;
	margin-top: 40px;
	border: 1px solid var(--ks-gold-line);
	border-left: 4px solid var(--ks-gold);
	box-shadow: 0 8px 26px rgba(17, 17, 17, 0.05);
	position: relative;
}
#ks-app-guide .ks-security-icon {
	width: 88px;
	height: 88px;
	border-radius: 50%;
	background: var(--ks-bg-cream);
	border: 2px solid var(--ks-gold);
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--ks-gold-deep);
	flex-shrink: 0;
	box-shadow:
		0 6px 18px rgba(197, 160, 89, 0.2),
		inset 0 1px 0 rgba(255, 255, 255, 0.6);
	position: relative;
}
/* 盾アイコンの周りに金色の光輪 */
#ks-app-guide .ks-security-icon::before {
	content: '';
	position: absolute;
	inset: -8px;
	border: 1px solid rgba(197, 160, 89, 0.25);
	border-radius: 50%;
	animation: ks-security-halo 3s ease-in-out infinite;
}
@keyframes ks-security-halo {
	0%, 100% { transform: scale(1); opacity: 0.6; }
	50% { transform: scale(1.08); opacity: 1; }
}
#ks-app-guide .ks-security h3 {
	font-family: "Shippori Mincho", serif;
	font-size: 24px;
	color: var(--ks-ink);
	margin: 0 0 14px;
	font-weight: 500;
	letter-spacing: 0.04em;
	line-height: 1.55;
}
#ks-app-guide .ks-security p {
	font-size: 15px;
	line-height: 2.05;
	margin: 0;
	color: var(--ks-text);
}
#ks-app-guide .ks-security p strong { color: var(--ks-gold-deep); font-weight: 700; }

/* ================================================================
   Exclusivity (購入者限定の宣言)
================================================================ */
#ks-app-guide .ks-exclusive {
	text-align: center;
	margin-top: 40px;
	padding: 50px 30px;
	background: var(--ks-bg-cream);
	border: 1px dashed var(--ks-gold);
	border-radius: 2px;
}
#ks-app-guide .ks-exclusive-eyebrow {
	font-family: "Cormorant Garamond", serif;
	font-size: 11px;
	letter-spacing: 0.32em;
	color: var(--ks-gold-deep);
	text-transform: uppercase;
	margin-bottom: 14px;
	display: block;
}
#ks-app-guide .ks-exclusive-title {
	font-family: "Shippori Mincho", serif;
	font-size: 22px;
	font-weight: 500;
	color: var(--ks-ink);
	margin: 0 0 16px;
	line-height: 1.55;
	letter-spacing: 0.04em;
}
#ks-app-guide .ks-exclusive-text {
	font-size: 14px;
	color: var(--ks-text);
	line-height: 1.95;
	margin: 0;
}

/* ================================================================
   Login Box (v2: 黒背景全廃・cream + 金の和テイスト)
================================================================ */
#ks-app-guide .ks-login-box {
	background:
		radial-gradient(ellipse at 50% 0%, rgba(197, 160, 89, 0.1) 0%, transparent 60%),
		linear-gradient(180deg, #fffaef 0%, var(--ks-bg-cream) 50%, #fffaef 100%);
	color: var(--ks-ink);
	border-radius: 2px;
	padding: clamp(56px, 7vw, 90px) clamp(24px, 4vw, 50px);
	text-align: center;
	margin-top: 40px;
	position: relative;
	overflow: hidden;
	border: 2px solid var(--ks-gold);
	box-shadow:
		0 12px 38px rgba(197, 160, 89, 0.18),
		inset 0 1px 0 rgba(255, 255, 255, 0.8);
}
/* 内側の二重金線 (賞状風) */
#ks-app-guide .ks-login-box::before {
	content: '';
	position: absolute;
	top: 14px; bottom: 14px; left: 14px; right: 14px;
	border: 1px solid rgba(197, 160, 89, 0.4);
	border-radius: 1px;
	pointer-events: none;
}
/* 微細な麻の葉風点描パターン */
#ks-app-guide .ks-login-box::after {
	content: '';
	position: absolute;
	inset: 0;
	background-image:
		radial-gradient(circle at 30% 20%, rgba(197, 160, 89, 0.06) 1px, transparent 2px),
		radial-gradient(circle at 70% 80%, rgba(197, 160, 89, 0.06) 1px, transparent 2px);
	background-size: 56px 56px;
	pointer-events: none;
}
#ks-app-guide .ks-login-eyebrow {
	font-family: "Cormorant Garamond", serif;
	font-size: 12px;
	letter-spacing: 0.4em;
	color: var(--ks-gold-deep);
	text-transform: uppercase;
	margin-bottom: 18px;
	display: block;
	position: relative;
	z-index: 1;
}
#ks-app-guide .ks-login-eyebrow::before,
#ks-app-guide .ks-login-eyebrow::after {
	content: '✦';
	display: inline-block;
	margin: 0 14px;
	font-size: 10px;
	color: var(--ks-gold);
}
#ks-app-guide .ks-login-title {
	font-family: "Shippori Mincho", serif;
	font-size: clamp(22px, 3.2vw, 30px);
	font-weight: 500;
	color: var(--ks-ink);
	margin: 0 0 22px;
	line-height: 1.65;
	letter-spacing: 0.05em;
	position: relative;
	z-index: 1;
}
#ks-app-guide .ks-login-text {
	font-size: 15px;
	color: var(--ks-text);
	margin: 0 auto 32px;
	max-width: 540px;
	line-height: 2.1;
	position: relative;
	z-index: 1;
}
#ks-app-guide .ks-password-notice {
	display: inline-block;
	background: rgba(255, 255, 255, 0.7);
	border: 1px dashed var(--ks-gold);
	color: var(--ks-text);
	padding: 18px 30px;
	border-radius: 2px;
	font-size: 14px;
	margin-bottom: 40px;
	line-height: 1.9;
	letter-spacing: 0.04em;
	position: relative;
	z-index: 1;
}
#ks-app-guide .ks-password-notice strong { color: var(--ks-gold-deep); }
/* 起動ボタン (重厚な金プレート + パルスリング) */
#ks-app-guide .ks-btn-gold {
	display: inline-flex;
	align-items: center;
	gap: 16px;
	background: linear-gradient(135deg, #f5e7ba 0%, var(--ks-gold) 50%, var(--ks-gold-deep) 100%);
	color: var(--ks-ink) !important;
	text-decoration: none !important;
	padding: 22px 60px;
	border-radius: 2px;
	font-family: "Hiragino Kaku Gothic ProN", sans-serif;
	font-weight: 700;
	font-size: 18px;
	letter-spacing: 0.12em;
	transition: transform 0.3s ease, box-shadow 0.3s ease;
	box-shadow:
		0 10px 30px rgba(197, 160, 89, 0.4),
		inset 0 1px 0 rgba(255, 255, 255, 0.6),
		inset 0 -1px 0 rgba(0, 0, 0, 0.08);
	position: relative;
	z-index: 1;
	border: 1px solid var(--ks-gold-deep);
	min-width: 290px;
	justify-content: center;
	animation: ks-btn-gold-pulse 3s ease-in-out infinite 1s;
}
@keyframes ks-btn-gold-pulse {
	0%, 100% {
		box-shadow:
			0 10px 30px rgba(197, 160, 89, 0.4),
			inset 0 1px 0 rgba(255, 255, 255, 0.6),
			inset 0 -1px 0 rgba(0, 0, 0, 0.08),
			0 0 0 0 rgba(197, 160, 89, 0.5);
	}
	50% {
		box-shadow:
			0 10px 30px rgba(197, 160, 89, 0.4),
			inset 0 1px 0 rgba(255, 255, 255, 0.6),
			inset 0 -1px 0 rgba(0, 0, 0, 0.08),
			0 0 0 14px rgba(197, 160, 89, 0);
	}
}
#ks-app-guide .ks-btn-gold:hover {
	transform: translateY(-3px) scale(1.02);
	box-shadow:
		0 18px 40px rgba(197, 160, 89, 0.55),
		inset 0 1px 0 rgba(255, 255, 255, 0.7);
	animation: none;
}
#ks-app-guide .ks-btn-gold::after {
	content: '→';
	font-family: "Cormorant Garamond", serif;
	font-size: 24px;
	color: var(--ks-ink);
	transition: transform 0.3s ease;
}
#ks-app-guide .ks-btn-gold:hover::after { transform: translateX(5px); }

/* ================================================================
   Video
================================================================ */
#ks-app-guide .ks-video-wrap {
	position: relative;
	padding-bottom: 56.25%;
	height: 0;
	overflow: hidden;
	max-width: 100%;
	border-radius: 2px;
	box-shadow: 0 14px 40px rgba(17, 17, 17, 0.1);
	margin-top: 40px;
	border: 1px solid var(--ks-line);
}
#ks-app-guide .ks-video-wrap iframe {
	position: absolute;
	top: 0; left: 0;
	width: 100%;
	height: 100%;
}

/* ================================================================
   Password Form (Accordion)
================================================================ */
#ks-app-guide .ks-form-accordion {
	text-align: center;
	margin-top: 40px;
}
#ks-app-guide .ks-form-accordion summary {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	cursor: pointer;
	background: #ffffff;
	color: var(--ks-ink);
	border: 1px solid var(--ks-ink);
	padding: 16px 40px;
	border-radius: 2px;
	font-weight: 700;
	font-size: 15px;
	letter-spacing: 0.08em;
	list-style: none;
	transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
#ks-app-guide .ks-form-accordion summary::-webkit-details-marker { display: none; }
#ks-app-guide .ks-form-accordion summary::before {
	content: '+';
	font-family: "Cormorant Garamond", serif;
	color: var(--ks-gold);
	font-size: 20px;
	font-weight: 700;
	transition: transform 0.25s ease;
}
#ks-app-guide .ks-form-accordion[open] summary::before { content: '−'; }
#ks-app-guide .ks-form-accordion summary:hover {
	background: linear-gradient(135deg, #fffaef 0%, var(--ks-bg-cream) 100%);
	color: var(--ks-ink);
	border-color: var(--ks-gold);
	transform: translateY(-2px);
	box-shadow: 0 8px 20px rgba(197, 160, 89, 0.25);
}
#ks-app-guide .ks-form-accordion summary:hover::before {
	color: var(--ks-gold-deep);
	transform: rotate(90deg);
}
#ks-app-guide .ks-form-content {
	margin-top: 32px;
	text-align: left;
	background: #ffffff;
	border: 1px solid var(--ks-line);
	border-top: 3px solid var(--ks-gold);
	border-radius: 2px;
	padding: 40px clamp(20px, 4vw, 40px);
	box-shadow: 0 10px 30px rgba(17, 17, 17, 0.04);
	animation: ks-app-fade 0.4s ease-out;
}
@keyframes ks-app-fade {
	from { opacity: 0; transform: translateY(-8px); }
	to { opacity: 1; transform: translateY(0); }
}

/* ================================================================
   Footer note (プロトタイプ案内)
================================================================ */
#ks-app-guide .ks-footer-note {
	font-size: 14px;
	color: var(--ks-muted);
	line-height: 2;
	margin: 50px auto 0;
	padding: 32px clamp(24px, 4vw, 40px);
	background: var(--ks-bg-alt);
	border: 1px solid var(--ks-line);
	border-radius: 2px;
	max-width: 760px;
}

/* ================================================================
   Mic Purchase CTA (v2: cream + 金・装飾的)
================================================================ */
#ks-app-guide .ks-purchase-cta {
	text-align: center;
	padding: clamp(70px, 9vw, 110px) clamp(20px, 4vw, 40px);
	background:
		radial-gradient(ellipse at 50% 0%, rgba(197, 160, 89, 0.06) 0%, transparent 60%),
		linear-gradient(180deg, var(--ks-bg-cream) 0%, #fffaef 100%);
	border-top: 1px solid var(--ks-gold-line);
	position: relative;
	overflow: hidden;
}
/* 装飾オーナメント (上端) */
#ks-app-guide .ks-purchase-ornament-top {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 18px;
	margin-bottom: 32px;
}
#ks-app-guide .ks-purchase-ornament-line {
	width: 70px;
	height: 1px;
	background: linear-gradient(90deg, transparent, var(--ks-gold) 50%, transparent);
}
#ks-app-guide .ks-purchase-ornament-mark {
	font-family: serif;
	font-size: 16px;
	color: var(--ks-gold-deep);
	letter-spacing: 0.1em;
}
#ks-app-guide .ks-purchase-eyebrow {
	font-family: "Cormorant Garamond", serif;
	font-size: 12px;
	letter-spacing: 0.4em;
	color: var(--ks-gold-deep);
	text-transform: uppercase;
	margin-bottom: 22px;
	display: block;
}
#ks-app-guide .ks-purchase-title {
	font-family: "Shippori Mincho", serif;
	font-size: clamp(26px, 3.8vw, 38px);
	font-weight: 500;
	color: var(--ks-ink);
	margin: 0 0 24px;
	line-height: 1.5;
	letter-spacing: 0.05em;
}
#ks-app-guide .ks-purchase-text {
	font-size: 16px;
	color: var(--ks-text);
	margin: 0 auto 40px;
	max-width: 580px;
	line-height: 2.1;
}

/* 購入ボタン (金縁・cream 背景・shimmer エフェクト) */
#ks-app-guide .ks-btn-purchase {
	display: inline-flex;
	align-items: center;
	gap: 16px;
	background: linear-gradient(135deg, #ffffff 0%, #fffaef 100%);
	color: var(--ks-ink) !important;
	text-decoration: none !important;
	padding: 22px 60px;
	border: 2px solid var(--ks-gold);
	border-radius: 2px;
	font-family: "Hiragino Kaku Gothic ProN", sans-serif;
	font-weight: 700;
	font-size: 17px;
	letter-spacing: 0.1em;
	transition: background 0.4s ease, transform 0.3s ease, box-shadow 0.3s ease;
	box-shadow:
		0 8px 24px rgba(197, 160, 89, 0.22),
		inset 0 1px 0 rgba(255, 255, 255, 0.8);
	position: relative;
	overflow: hidden;
	min-width: 280px;
	justify-content: center;
}
/* shimmer 効果 (滑らかな金色の光が左から右へ) */
#ks-app-guide .ks-btn-purchase::before {
	content: '';
	position: absolute;
	top: 0; left: -100%;
	width: 100%; height: 100%;
	background: linear-gradient(90deg,
		transparent 0%,
		rgba(255, 255, 255, 0.7) 50%,
		transparent 100%);
	transition: left 0.7s ease;
}
#ks-app-guide .ks-btn-purchase:hover::before { left: 100%; }
#ks-app-guide .ks-btn-purchase:hover {
	background: linear-gradient(135deg, #fffaef 0%, var(--ks-bg-cream) 100%);
	transform: translateY(-3px);
	box-shadow:
		0 14px 32px rgba(197, 160, 89, 0.35),
		inset 0 1px 0 rgba(255, 255, 255, 0.8);
}
#ks-app-guide .ks-btn-purchase::after {
	content: '→';
	font-family: "Cormorant Garamond", serif;
	color: var(--ks-gold-deep);
	font-size: 22px;
	font-weight: 700;
	transition: transform 0.3s ease;
	position: relative;
	z-index: 1;
}
#ks-app-guide .ks-btn-purchase:hover::after { transform: translateX(5px); }
#ks-app-guide .ks-btn-purchase span {
	position: relative;
	z-index: 1;
}

/* ================================================================
   Mobile
================================================================ */
@media (max-width: 820px) {
	#ks-app-guide .ks-pain-grid,
	#ks-app-guide .ks-modes-grid,
	#ks-app-guide .ks-workflow-grid { grid-template-columns: 1fr; gap: 18px; }
	#ks-app-guide .ks-workflow-grid::before { display: none; }
	#ks-app-guide .ks-switches-section { grid-template-columns: 1fr; gap: 30px; }
	#ks-app-guide .ks-security { grid-template-columns: 1fr; text-align: center; }
	#ks-app-guide .ks-security-icon { margin: 0 auto; }
	#ks-app-guide .ks-app-hero-meta { flex-direction: column; gap: 10px; padding: 16px 20px; }
	#ks-app-guide .ks-app-hero-meta-divider { display: none; }
	#ks-app-guide .ks-btn-gold,
	#ks-app-guide .ks-btn-navy { min-width: auto; padding: 18px 36px; font-size: 16px; }
}

/* reduced-motion */
@media (prefers-reduced-motion: reduce) {
	#ks-app-guide *,
	#ks-app-guide *::before,
	#ks-app-guide *::after { transition: none !important; animation: none !important; }
}