/**
 * Premium Sticky CTA Frontend CSS
 */

#premium-sticky-cta-container {
	position: fixed;
	bottom: 0;
	left: 0;
	right: 0;
	z-index: 99999;
	padding: 16px 24px;
	box-sizing: border-box;
	transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
	border-top: 1px solid rgba(0, 0, 0, 0.05);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

/* iOSセーフエリア（ホームバー領域）への対応 */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
	#premium-sticky-cta-container {
		padding-bottom: calc(16px + env(safe-area-inset-bottom));
	}
}

/* ガラスモーフィズム */
#premium-sticky-cta-container.premium-cta-glass {
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
	border-top: 1px solid rgba(255, 255, 255, 0.25);
}

/* 影の表現 */
#premium-sticky-cta-container.premium-cta-shadow-none {
	box-shadow: none;
}
#premium-sticky-cta-container.premium-cta-shadow-low {
	box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.04);
}
#premium-sticky-cta-container.premium-cta-shadow-medium {
	box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
}
#premium-sticky-cta-container.premium-cta-shadow-high {
	box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.15);
}

/* デバイスごとの表示制御（メディアクエリ） */
@media (max-width: 767px) {
	#premium-sticky-cta-container.premium-cta-device-desktop {
		display: none !important;
	}
}

@media (min-width: 768px) {
	#premium-sticky-cta-container.premium-cta-device-mobile {
		display: none !important;
	}

	/* PC用：画面中央に浮遊するエレガントなカードUIに変更 */
	#premium-sticky-cta-container {
		max-width: 800px;
		margin: 0 auto;
		left: 50%;
		right: auto;
		transform: translateX(-50%);
		bottom: 24px;
		border-radius: 16px;
		border: 1px solid rgba(0, 0, 0, 0.08);
		padding: 16px 40px;
	}

	#premium-sticky-cta-container.premium-cta-glass {
		border: 1px solid rgba(255, 255, 255, 0.35);
	}
}

/* レイアウト・フレックス構造 */
.premium-sticky-cta-inner {
	display: flex;
	width: 100%;
	align-items: center;
	justify-content: center;
	gap: 16px;
	max-width: 1000px;
	margin: 0 auto;
}

/* コピー文とボタンのグループ */
.premium-sticky-cta-button-group {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	flex-grow: 1;
	width: 100%;
}

/* 各コピー文のスタイリング */
.premium-sticky-cta-micro {
	font-size: 12px;
	font-weight: 700;
	margin: 0 0 6px 0;
	text-align: center;
	line-height: 1.3;
	letter-spacing: 0.02em;
}

.premium-sticky-cta-sub {
	font-size: 10px;
	margin: 6px 0 0 0;
	text-align: center;
	line-height: 1.3;
	opacity: 0.9;
}

.premium-sticky-cta-appeal {
	font-size: 14px;
	font-weight: 700;
	line-height: 1.5;
	margin: 0 0 10px 0;
	text-align: center;
	width: 100%;
}

/* パターンC (左右並び) のレスポンシブ処理 */
.premium-sticky-cta-inner.pattern-pattern_c {
	flex-direction: column;
}

@media (min-width: 768px) {
	.premium-sticky-cta-inner.pattern-pattern_c {
		flex-direction: row;
		justify-content: space-between;
	}
	
	.premium-sticky-cta-inner.pattern-pattern_c .premium-sticky-cta-appeal {
		text-align: left;
		margin: 0;
		max-width: 55%;
	}
	
	.premium-sticky-cta-inner.pattern-pattern_c .premium-sticky-cta-button-group {
		width: auto;
		flex-grow: 0;
	}

	/* 訴求文が右側の場合 */
	.premium-sticky-cta-inner.pattern-pattern_c .appeal-pos-right {
		order: 2;
		text-align: right;
	}
}

/* CTAボタン本体 */
.premium-sticky-cta-button {
	display: inline-block;
	width: 100%;
	max-width: 400px;
	padding: 13px 24px;
	text-align: center;
	text-decoration: none;
	font-weight: 700;
	font-size: 15px;
	letter-spacing: 0.05em;
	box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
	transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
	box-sizing: border-box;
}

.premium-sticky-cta-button-label {
	display: inline-block;
	transition: transform 0.2s ease;
}

/* 閉じるボタン */
.premium-sticky-cta-close-btn {
	position: absolute;
	top: 50%;
	right: 12px;
	transform: translateY(-50%);
	background: transparent;
	border: none;
	font-size: 24px;
	color: #94a3b8;
	cursor: pointer;
	line-height: 1;
	padding: 6px;
	transition: color 0.2s, transform 0.2s;
	z-index: 100;
}

.premium-sticky-cta-close-btn:hover {
	color: #475569;
	transform: translateY(-50%) scale(1.1);
}

@media (min-width: 768px) {
	.premium-sticky-cta-close-btn {
		right: 16px;
	}
}

/* ==========================================
 * プレミアム・マイクロアニメーション
 * ========================================== */

/* Float（上下浮遊効果） */
.premium-cta-ani-float .premium-sticky-cta-button {
	animation: premium-float 3.5s ease-in-out infinite;
}

@keyframes premium-float {
	0% { transform: translateY(0); }
	50% { transform: translateY(-5px); }
	100% { transform: translateY(0); }
}

/* Heartbeat（脈動効果） */
.premium-cta-ani-heartbeat .premium-sticky-cta-button {
	animation: premium-heartbeat 1.8s ease-in-out infinite;
}

@keyframes premium-heartbeat {
	0% { transform: scale(1); }
	12% { transform: scale(1.03); }
	24% { transform: scale(1); }
	36% { transform: scale(1.03); }
	60% { transform: scale(1); }
}