@charset "utf-8";

/* ===== CSS Variables ===== */
:root {
	--color-bg: #0a0a0a;
	--color-bg-section: #111111;
	--color-bg-card: #161616;
	--color-bg-card-hover: #1e1e1e;
	--color-text: #d8cfb4;
	--color-text-muted: #888070;
	--color-accent: #8a7a5a;
	--color-accent-light: #b09a6e;
	--color-border: #2a2820;
	--color-border-accent: #3d3628;
	--color-white: #ffffff;
	--font-serif: "游明朝", "YuMincho", "Hiragino Mincho ProN", "ヒラギノ明朝 ProN", Georgia, serif;
	--font-sans: "メイリオ", "Meiryo", "Noto Sans JP", Osaka, Arial, Helvetica, sans-serif;
	--transition: 0.3s ease;
}

/* ===== Reset & Base ===== */
html {
	width: 100%;
	margin: 0;
	padding: 0;
}

html body {
	border: 0;
	padding: 0;
	margin: 0;
	color: var(--color-text);
	background-color: var(--color-bg);
	font-family: var(--font-sans);
	font-size: 14px;
	line-height: 1.7;
	overflow-x: hidden;
	width: 100%;
}

/* ===== Navigation Bar ===== */
.site-nav {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 999;
	background-color: rgba(10, 10, 10, 0.95);
	border-bottom: 1px solid var(--color-border-accent);
	backdrop-filter: blur(8px);
}

.site-nav-inner {
	max-width: 1100px;
	margin: 0 auto;
	padding: 0 2rem;
	height: 56px;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.site-nav-logo {
	font-family: var(--font-serif);
	font-size: 15px;
	letter-spacing: 0.15em;
	color: var(--color-accent-light);
	text-decoration: none;
	text-transform: uppercase;
}

.site-nav-links {
	display: flex;
	gap: 2rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.site-nav-links a {
	font-size: 12px;
	letter-spacing: 0.1em;
	color: var(--color-text-muted);
	text-decoration: none;
	text-transform: uppercase;
	transition: color var(--transition);
}

.site-nav-links a:hover {
	color: var(--color-accent-light);
}

/* ===== Typography ===== */
h1 {
	font-family: var(--font-serif);
	font-size: 22px;
	line-height: 1.4;
	color: var(--color-white);
	letter-spacing: 0.05em;
	border: none;
	padding: 0;
	margin: 0 0 1.5rem;
}

h2 {
	font-family: var(--font-serif);
	font-size: 16px;
	line-height: 1.4;
	color: var(--color-white);
	letter-spacing: 0.05em;
	border: none;
	padding: 0;
	margin: 0 0 1rem;
}

h3 {
	font-family: var(--font-serif);
	font-size: 13px;
	line-height: 1.5;
	letter-spacing: 0.12em;
	color: var(--color-accent-light);
	text-transform: uppercase;
	border: none;
	padding: 0 0 0.5rem;
	margin: 0 0 1rem;
	border-bottom: 1px solid var(--color-border-accent);
}

a {
	color: var(--color-accent-light);
	text-decoration: none;
	transition: color var(--transition);
}

a:hover {
	color: var(--color-white);
}

table { border-collapse: collapse; border: none; border-spacing: 0; }
tr { border: 0; padding: 0; margin: 0; }
td { border: 0; padding: 0; margin: 0; }

img {
	margin: auto;
	border: 0;
	padding: 0;
	max-width: 100%;
	height: auto;
}

/* ===== Header / Hero ===== */
header {
	background-color: var(--color-bg);
	width: 100%;
	max-width: 1200px;
	max-height: 100vh;
	min-height: 480px;
	height: auto;
	margin: 0 auto;
	position: relative;
	overflow: hidden;
}

/* gradient overlay on hero */
header::after {
	content: '';
	position: absolute;
	inset: 0;
	background: linear-gradient(
		to bottom,
		rgba(10,10,10,0) 30%,
		rgba(10,10,10,0.6) 70%,
		rgba(10,10,10,1) 100%
	);
	z-index: 2;
	pointer-events: none;
}

/* ===== Slideshow ===== */
.slideshow-container {
	position: absolute;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
	z-index: 1;
}

.slide {
	position: absolute;
	width: 100%;
	height: 100%;
	background-size: cover;
	background-position: center top;
	background-repeat: no-repeat;
	opacity: 0;
	transition: opacity 2s ease-in-out;
	z-index: 1;
}

.slide.active {
	opacity: 1;
}

/* ===== Hero Overlays ===== */
img.emblem {
	z-index: 10;
	position: absolute;
	bottom: -2vw;
	left: 2vw;
	width: 30vw;
	min-width: 200px;
	max-width: 480px;
	height: auto;
	filter: drop-shadow(0 4px 24px rgba(0,0,0,0.8));
}

img.title {
	z-index: 10;
	position: absolute;
	bottom: 60px;
	left: 17vw;
	width: 50vw;
	min-width: 360px;
	max-width: 900px;
	height: auto;
	filter: drop-shadow(0 2px 16px rgba(0,0,0,0.9));
}

section.message {
	z-index: 110;
	position: absolute;
	bottom: 4px;
	right: 3vw;
	background-color: rgba(10, 10, 10, 0.85);
	width: 25vw;
	min-width: 540px;
    max-width: 800px;
    opacity: 0.95;
    padding: 4px 5px;
	border: 1px solid var(--color-border-accent);
	border-radius: 2px;
	backdrop-filter: blur(8px);
	font-size: 13px;
	line-height: 1.8;
	color: var(--color-text-muted);
}

/* ===== Main Content Area ===== */
section.contents {
	background-color: var(--color-bg);
	position: relative;
	margin: 0 auto;
	max-width: 900px;
	width: 100%;
	z-index: 115;
	padding: 3rem 2rem 2rem;
}

/* ===== Section Divider ===== */
.section-divider {
	display: flex;
	align-items: center;
	gap: 1rem;
	margin: 2.5rem 0;
}

.section-divider::before,
.section-divider::after {
	content: '';
	flex: 1;
	height: 1px;
	background: linear-gradient(to right, transparent, var(--color-border-accent), transparent);
}

.section-divider span {
	font-size: 10px;
	letter-spacing: 0.3em;
	color: var(--color-accent);
	text-transform: uppercase;
}

/* ===== Social Links ===== */
.social-links {
	display: flex;
	justify-content: center;
	padding: 1.5rem 1rem;
	align-items: center;
	flex-wrap: wrap;
	gap: 1.5rem;
}

.social-links a {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	color: var(--color-text-muted);
	transition: color var(--transition), transform var(--transition);
}

.social-links a:hover {
	color: var(--color-accent-light);
	transform: translateY(-2px);
}

.social-links a svg,
.social-links a img {
	display: block;
	width: 28px;
	height: 28px;
	object-fit: contain;
}

/* ===== Game Title Cards ===== */
#contents-titles {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 1.5rem;
	padding: 0;
}

.contents-title-card {
	display: block;
	background-color: var(--color-bg-card);
	border: 1px solid var(--color-border);
	padding: 1.5rem;
	text-align: center;
	transition: background-color var(--transition), border-color var(--transition), transform var(--transition);
	cursor: pointer;
	text-decoration: none;
}

.contents-title-card:hover {
	background-color: var(--color-bg-card-hover);
	border-color: var(--color-accent);
	transform: translateY(-3px);
}

.contents-title-card img {
	height: 5rem;
	width: auto;
	max-width: 100%;
	object-fit: contain;
	filter: brightness(0.9);
	transition: filter var(--transition);
}

.contents-title-card:hover img {
	filter: brightness(1.1);
}

/* ===== Tools & Columns Lists ===== */
.content-block {
	margin-bottom: 2.5rem;
}

.content-block ul {
	list-style: none;
	padding: 0;
	margin: 0;
}

.content-block ul li {
	border-bottom: 1px solid var(--color-border);
}

.content-block ul li:first-child {
	border-top: 1px solid var(--color-border);
}

.content-block ul li a {
	display: flex;
	align-items: center;
	padding: 0.85rem 0.5rem;
	font-size: 13px;
	color: var(--color-text);
	text-decoration: none;
	transition: color var(--transition), padding-left var(--transition);
	gap: 0.75rem;
}

.content-block ul li a::before {
	content: '';
	display: block;
	width: 4px;
	height: 4px;
	background-color: var(--color-accent);
	flex-shrink: 0;
	transition: background-color var(--transition);
}

.content-block ul li a:hover {
	color: var(--color-white);
	padding-left: 0.75rem;
}

.content-block ul li a:hover::before {
	background-color: var(--color-accent-light);
}

/* date prefix in columns */
.entry-date {
	font-size: 11px;
	color: var(--color-text-muted);
	letter-spacing: 0.05em;
	white-space: nowrap;
}

/* ===== Modal ===== */
#articleLetterModal .modal-content {
	background-color: #0d0d0d;
	border: 1px solid var(--color-border-accent);
	color: var(--color-text);
}

#articleLetterModal .modal-header {
	border-bottom: 1px solid var(--color-border-accent);
}

#articleLetterModal .modal-footer {
	border-top: 1px solid var(--color-border-accent);
}

#diary-modal {
	border: 1px solid var(--color-border-accent);
}

/* ===== Blockquote ===== */
blockquote {
	background-color: #1a1a1a;
	border-left: 3px solid var(--color-accent);
	padding: 0.75rem 1rem;
	margin: 1rem 0;
}

/* ===== Footer ===== */
footer {
	text-align: center;
	background-color: transparent;
	max-width: 900px;
	width: 100%;
	margin: 3rem auto 0;
	padding: 1.5rem;
	border-top: 1px solid var(--color-border-accent);
	font-size: 11px;
	letter-spacing: 0.15em;
	color: var(--color-text-muted);
	text-transform: uppercase;
}

/* ===== Markdown blog post ===== */
#diary-modal .blog-post h1 {
	font-size: 20px;
	line-height: 1.4;
}

#diary-modal .blog-post h2 {
	font-size: 18px;
	line-height: 1.4;
}

#diary-modal .blog-post h3,
#diary-modal .blog-post h4,
#diary-modal .blog-post h5,
#diary-modal .blog-post h6 {
	font-size: 14px;
	line-height: 1.4;
}

#diary-modal .blog-post img {
	max-width: 100%;
	height: auto;
	display: block;
	margin: 10px auto;
}

#diary-modal .blog-post {
	word-wrap: break-word;
	overflow-wrap: break-word;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
	.site-nav-links {
		display: none;
	}

	header {
		max-height: 350px;
		min-height: 150px;
		width: 100%;
		height: 50vw;
		margin: 0 auto;
	}

	section.message {
		display: none;
	}

	img.title {
		bottom: 10vw;
		left: 22vw;
		width: 75vw;
		min-width: 180px;
		max-width: 600px;
	}

	img.emblem {
		bottom: 4vw;
		left: 2vw;
		width: 28vw;
		min-width: 72px;
		max-width: 340px;
	}

	#contents-titles {
		grid-template-columns: 1fr;
	}

	.social-links {
		gap: 1.5rem;
	}

	section.contents {
		padding: 2rem 1.25rem 1.5rem;
	}
}