/* =========================================
   Nation Page Specific Styles (japan.html)
   ========================================= */

body.nation-page {
    /* 共通CSSを拡張。背景等の調整用 */
}

/* Hero Section */
.japan-hero .nation-hero-titles {
    text-align: center;
    position: relative;
    z-index: 2;
    text-shadow: 0 5px 15px rgba(0,0,0,0.8);
}

.japan-hero .jp-title {
    font-family: var(--font-jp);
    font-size: 5vw;
    color: var(--color-white);
    letter-spacing: 0.3em;
    margin-bottom: 10px;
}

.japan-hero .en-title {
    font-size: 3vw;
    color: var(--color-gold);
    letter-spacing: 0.2em;
    margin-bottom: 30px;
}

.japan-hero .subtitle {
    font-family: var(--font-jp);
    font-size: 1.5rem;
    color: var(--color-gray);
    letter-spacing: 0.15em;
    border-top: 1px solid var(--color-gold);
    border-bottom: 1px solid var(--color-gold);
    padding: 10px 0;
    display: inline-block;
}

/* Info Section (左右カラム) */
.info-section {
    background-color: var(--color-bg-dark);
}

.info-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: flex-start;
}

.info-table-wrapper {
    flex: 1;
    min-width: 300px;
    background: rgba(11, 11, 11, 0.8);
    border: 1px solid rgba(184, 152, 79, 0.3);
    padding: 30px;
}

.info-table {
    width: 100%;
    border-collapse: collapse;
}

.info-table th, .info-table td {
    padding: 15px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: left;
}

.info-table th {
    color: var(--color-gold);
    font-weight: 400;
    width: 30%;
    letter-spacing: 0.1em;
}

.info-table tr:last-child th,
.info-table tr:last-child td {
    border-bottom: none;
}

.info-visuals {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.visual-card {
    background: rgba(11, 11, 11, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px;
    text-align: center;
}

.visual-title {
    color: var(--color-gray);
    margin-bottom: 15px;
    letter-spacing: 0.2em;
    font-size: 1rem;
}

.nation-flag, .nation-map {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 0 10px rgba(0,0,0,0.5));
}

/* Summary Section */
.summary-section {
    position: relative;
    padding: 200px 0;
}

/* GSAP のパララックス (transform) と background-attachment: fixed は
   併用できない。transform が背景の包含ブロックを作り直すため、
   スクロール開始の瞬間に背景がガクッと飛んでいた。 */
.summary-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    filter: brightness(0.2) contrast(1.2);
    z-index: 0;
    will-change: transform;
}

.summary-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(transparent, var(--color-bg-dark));
    z-index: 1;
}

.large-text-box {
    background: rgba(11, 11, 11, 0.7);
    border: 1px solid var(--color-gold-dim);
    padding: 60px 40px;
    backdrop-filter: blur(10px);
}

.large-text-box p {
    font-size: 1.2rem;
    margin-bottom: 25px;
    text-align: center;
}

/* Territory Section */
.territory-grid {
    display: flex;
    gap: 50px;
    align-items: center;
}

.territory-map {
    flex: 1.5;
}

.territory-map img {
    width: 100%;
    height: auto;
}

.territory-list {
    flex: 1;
}

.admin-divisions {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.admin-divisions li {
    padding: 10px;
    border-left: 2px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.02);
    transition: all 0.3s;
}

.admin-divisions li:hover {
    border-left-color: var(--color-gold);
    background: rgba(184, 152, 79, 0.1);
}

.admin-divisions li.overseas {
    border-left-color: var(--color-red-dim);
}
.admin-divisions li.overseas:hover {
    border-left-color: var(--color-red);
}

/* Split Sections (皇室・政治) */
.split-sections {
    display: flex;
    flex-wrap: wrap;
    min-height: 80vh;
}

.split-pane {
    flex: 1;
    min-width: 300px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
    overflow: hidden;
}

.pane-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    filter: brightness(0.3);
    transition: transform 5s ease, filter 0.5s ease;
    z-index: 0;
}

.split-pane:hover .pane-bg {
    transform: scale(1.05);
    filter: brightness(0.5);
}

.pane-content {
    position: relative;
    z-index: 1;
    background: rgba(0, 0, 0, 0.7);
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.pane-title {
    color: var(--color-gold);
    margin-bottom: 20px;
    font-size: 2rem;
}

/* Neutrality Section */
.neutral-section {
    text-align: center;
    padding: 150px 0;
}

.neutral-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    filter: brightness(0.2) grayscale(0.5);
    z-index: 0;
    will-change: transform;
}

.neutral-manifesto {
    margin-bottom: 60px;
}

.neutral-manifesto h3 {
    font-size: 3rem;
    color: var(--color-white);
    text-shadow: 0 0 20px rgba(184, 152, 79, 0.5);
    letter-spacing: 0.1em;
}

.policy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.policy-card {
    background: rgba(11, 11, 11, 0.8);
    border: 1px solid var(--color-gray);
    padding: 30px 20px;
    font-size: 1.2rem;
    font-family: var(--font-jp);
    letter-spacing: 0.1em;
    transition: all 0.3s;
}

.policy-card:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
}

/* Military Section */
.military-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.military-card {
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: var(--color-bg-mid);
    overflow: hidden;
    min-height: 400px;
    display: flex;
    align-items: flex-end;
}

.mil-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    filter: brightness(0.4);
    transition: transform 0.5s ease;
    z-index: 0;
}

.military-card:hover .mil-bg {
    transform: scale(1.1);
}

.military-card:hover {
    border-color: var(--color-gold);
}

.mil-content {
    position: relative;
    z-index: 1;
    background: linear-gradient(transparent, rgba(0,0,0,0.9) 20%, rgba(0,0,0,1));
    padding: 40px 30px 30px;
    width: 100%;
}

.mil-content h3 {
    color: var(--color-gold);
    font-size: 2rem;
    margin-bottom: 15px;
}

.mil-content p {
    font-size: 0.95rem;
    color: #ccc;
}

/* Organization Chart (防衛省) */
.mod-section {
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(184, 152, 79, 0.2);
    padding: 50px;
}

.mod-title {
    font-size: 2.5rem;
    color: var(--color-white);
    margin-bottom: 10px;
}

.mod-desc {
    color: var(--color-gray);
    letter-spacing: 0.3em;
    margin-bottom: 50px;
}

.org-chart {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.org-root {
    background: var(--color-bg-dark);
    border: 2px solid var(--color-gold);
    padding: 15px 40px;
    font-size: 1.5rem;
    margin-bottom: 30px;
    position: relative;
}

.org-root::after {
    content: '';
    position: absolute;
    bottom: -30px;
    left: 50%;
    width: 2px;
    height: 30px;
    background: var(--color-gold);
}

.org-branches {
    display: flex;
    gap: 40px;
    position: relative;
    padding-top: 20px;
}

.org-branches::before {
    content: '';
    position: absolute;
    top: 0;
    left: 15%;
    right: 15%;
    height: 2px;
    background: var(--color-gold);
}

.org-branch {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 15px 30px;
    position: relative;
}

.org-branch::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 50%;
    width: 2px;
    height: 20px;
    background: var(--color-gold);
}

/* Coexistence Section */
.coexist-section {
    position: relative;
    padding: 150px 0;
}

.coexist-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    filter: brightness(0.2) contrast(1.3);
    z-index: 0;
    will-change: transform;
}

.coexist-desc {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 60px;
}

.race-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.race-card {
    background: rgba(11, 11, 11, 0.7);
    border: 1px solid var(--color-gold-dim);
    padding: 20px;
    text-align: center;
    font-size: 1.2rem;
    letter-spacing: 0.1em;
    backdrop-filter: blur(5px);
    transition: all 0.3s;
}

.race-card:hover {
    background: rgba(184, 152, 79, 0.2);
    border-color: var(--color-gold);
    color: var(--color-gold);
}

/* Position Section */
.position-section {
    text-align: center;
    padding: 200px 0;
    background: linear-gradient(to bottom, transparent, var(--color-bg-dark));
}

.huge-title {
    font-size: 4rem;
    color: var(--color-white);
    margin-bottom: 20px;
    line-height: 1.2;
}

.international-stand {
    margin-bottom: 100px;
}

.international-stand p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
}

.massive-title {
    font-size: 6rem;
    color: var(--color-gold);
    letter-spacing: 0.3em;
    margin-bottom: 30px;
    text-shadow: 0 0 30px rgba(184, 152, 79, 0.4);
}

.third-pole-content {
    font-size: 1.5rem;
}

.third-pole-content strong {
    color: var(--color-red);
    font-weight: 700;
}

.third-pole-content p {
    margin-bottom: 30px;
}

/* Footer Adjustments */
.footer-nav {
    margin-bottom: 20px;
}

.footer-btn {
    display: inline-block;
    border: 1px solid var(--color-gray);
    padding: 10px 20px;
    margin: 0 10px;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.footer-btn:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

/* GSAP 汎用フェードアップクラス */
.gs-fade-up {
    opacity: 0;
    transform: translateY(30px);
}

/* Responsive */
@media (max-width: 768px) {
    .japan-hero .jp-title { font-size: 10vw; }
    .japan-hero .en-title { font-size: 6vw; }
    .territory-grid { flex-direction: column; }
    .split-sections { flex-direction: column; }
    .massive-title { font-size: 4rem; }
    .huge-title { font-size: 3rem; }
}

/* Shared jump-menu size for all nation detail pages. */
.nation-page .mobile-nav a {
    font-size: 1rem;
}