/* =============================================
   Popup Manager – Frontend CSS
   Optimized for CLS prevention & performance
   ============================================= */

:root {
	--pm-z-base:     9999;
	--pm-anim-dur:   0.3s;
	--pm-anim-ease:  cubic-bezier(0.16, 1, 0.3, 1);
}

/* =============================================
   Base – will-change 最小化、GPU最適化
   ============================================= */
.pm-banner-root {
	position: fixed;
	z-index: var(--pm-z-base);
	pointer-events: none;
	contain: layout style;
}

/* =============================================
   Overlay
   ============================================= */
.pm-overlay {
	position: fixed;
	inset: 0;
	background: rgba(0,0,0,0.7);
	z-index: var(--pm-z-base);
	opacity: 0;
	pointer-events: none;
	transition: opacity var(--pm-anim-dur) var(--pm-anim-ease);
	contain: strict;
}
.pm-overlay--visible {
	opacity: 1;
	pointer-events: auto;
}

/* =============================================
   Modal (ポップアップ)
   ============================================= */
.pm-modal-wrap {
	position: fixed;
	inset: 0;
	z-index: calc(var(--pm-z-base) + 1);
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 16px;
	pointer-events: none;
	contain: layout style;
}
.pm-modal-wrap--visible { pointer-events: auto; }

.pm-modal {
	position: relative;
	background: #fff;
	border-radius: 8px;
	overflow: hidden;
	max-width: 90vw;
	max-height: 90vh;
	/* CLS防止: transform使用 */
	transform: scale(0.95) translateY(12px);
	opacity: 0;
	transition:
		transform var(--pm-anim-dur) var(--pm-anim-ease),
		opacity   var(--pm-anim-dur) var(--pm-anim-ease);
	pointer-events: none;
	will-change: transform, opacity;
}
.pm-modal--visible {
	transform: scale(1) translateY(0);
	opacity: 1;
	pointer-events: auto;
	will-change: auto;
}

/* アニメーション別 */
.pm-modal--anim-slide {
	transform: translateY(40px);
	opacity: 0;
}
.pm-modal--anim-slide.pm-modal--visible {
	transform: translateY(0);
	opacity: 1;
}
.pm-modal--anim-zoom {
	transform: scale(0.8);
	opacity: 0;
}
.pm-modal--anim-zoom.pm-modal--visible {
	transform: scale(1);
	opacity: 1;
}
.pm-modal--anim-none {
	transform: none !important;
	transition: opacity var(--pm-anim-dur) !important;
}

.pm-modal__inner {
	display: block;
	line-height: 0;
}
.pm-modal__img {
	display: block;
	width: 100%;
	height: auto;
	/* CLS防止: aspect-ratio or explicit dimensions */
}

/* =============================================
   Fixed Bottom / Top
   ============================================= */
.pm-fixed {
	position: fixed;
	left: 0;
	right: 0;
	z-index: var(--pm-z-base);
	pointer-events: none;
	transform: translateY(100%);
	transition: transform var(--pm-anim-dur) var(--pm-anim-ease);
	will-change: transform;
	contain: layout style;
}
.pm-fixed--bottom { bottom: 0; }
.pm-fixed--top    { top: 0; transform: translateY(-100%); }

.pm-fixed--visible {
	transform: translateY(0);
	pointer-events: auto;
	will-change: auto;
}

.pm-fixed__inner {
	display: flex;
	align-items: center;
	justify-content: center;
	max-width: 100%;
	overflow: hidden;
}
.pm-fixed__img {
	display: block;
	max-width: 100%;
	height: auto;
	cursor: pointer;
}

/* =============================================
   Fixed Left / Right
   ============================================= */
.pm-corner {
	position: fixed;
	z-index: var(--pm-z-base);
	pointer-events: none;
	transform: translateY(20px);
	opacity: 0;
	transition:
		transform var(--pm-anim-dur) var(--pm-anim-ease),
		opacity   var(--pm-anim-dur) var(--pm-anim-ease);
	will-change: transform, opacity;
}
.pm-corner--left-bottom  { bottom: 20px; left: 20px; }
.pm-corner--right-bottom { bottom: 20px; right: 20px; }
.pm-corner--left-top     { top: 80px; left: 20px; }
.pm-corner--right-top    { top: 80px; right: 20px; }

.pm-corner--visible {
	transform: translateY(0);
	opacity: 1;
	pointer-events: auto;
	will-change: auto;
}
.pm-corner__img {
	display: block;
	max-width: 300px;
	height: auto;
	border-radius: 8px;
	box-shadow: 0 8px 24px rgba(0,0,0,.15);
	cursor: pointer;
}

/* =============================================
   Floating
   ============================================= */
.pm-floating {
	position: fixed;
	z-index: var(--pm-z-base);
	pointer-events: none;
	opacity: 0;
	transform: scale(0.9);
	transition:
		opacity   var(--pm-anim-dur) var(--pm-anim-ease),
		transform var(--pm-anim-dur) var(--pm-anim-ease);
	will-change: opacity, transform;
}
.pm-floating--visible {
	opacity: 1;
	transform: scale(1);
	pointer-events: auto;
	will-change: auto;
}

/* =============================================
   Inline (記事内挿入)
   inline は position: static なので CLS注意
   ============================================= */
.pm-inline {
	display: block;
	margin: 24px auto;
	text-align: center;
	line-height: 0;
}
.pm-inline__img {
	display: inline-block;
	max-width: 100%;
	height: auto;
}

/* =============================================
   Close Button
   ============================================= */
.pm-close {
	position: absolute;
	width: 32px;
	height: 32px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: rgba(0,0,0,0.5);
	border: none;
	border-radius: 50%;
	cursor: pointer;
	padding: 0;
	transition: background 0.2s;
	z-index: 10;
}
.pm-close:hover { background: rgba(0,0,0,0.75); }
.pm-close svg {
	width: 16px;
	height: 16px;
	color: #fff;
	flex-shrink: 0;
}
.pm-close--top-right    { top: 8px; right: 8px; }
.pm-close--top-left     { top: 8px; left:  8px; }
.pm-close--bottom-right { bottom: 8px; right: 8px; }

/* =============================================
   Banner Link Wrapper
   ============================================= */
.pm-banner-link {
	display: block;
	line-height: 0;
	cursor: pointer;
}
.pm-banner-link:focus {
	outline: 2px solid #6366f1;
	outline-offset: 2px;
}

/* =============================================
   Hidden state
   ============================================= */
.pm-banner--hidden {
	display: none !important;
}

/* =============================================
   Reduced Motion
   ============================================= */
@media (prefers-reduced-motion: reduce) {
	.pm-modal,
	.pm-fixed,
	.pm-corner,
	.pm-floating,
	.pm-overlay {
		transition: none !important;
	}
}

/* =============================================
   Mobile Optimizations
   ============================================= */
@media (max-width: 768px) {
	.pm-modal {
		max-width: 95vw;
		max-height: 85vh;
	}
	.pm-corner__img {
		max-width: 240px;
	}
	.pm-corner--left-bottom,
	.pm-corner--right-bottom {
		bottom: 16px;
	}
	.pm-corner--left-bottom { left: 12px; }
	.pm-corner--right-bottom { right: 12px; }
}