/* Base & Variables */
:root {
    --bg-color: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --card-bg: rgba(255, 255, 255, 0.7);
    --card-border: rgba(255, 255, 255, 0.5);
    --accent: #2563eb;
    --accent-glow: rgba(37, 99, 235, 0.2);
    --gold: #d4af37;
    --shadow: 0 10px 40px -10px rgba(0,0,0,0.08);
}

[data-theme="dark"] {
    --bg-color: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --card-bg: rgba(30, 41, 59, 0.6);
    --card-border: rgba(255, 255, 255, 0.08);
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.2);
    --shadow: 0 10px 40px -10px rgba(0,0,0,0.5);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'dnp-shuei-nmincho-std', serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
    position: relative;
    min-height: 100vh;
}

/* Background Decorations */
.background-decor {
    position: fixed;
    top: -10vw;
    left: -10vw;
    width: 40vw;
    height: 40vw;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
    filter: blur(40px);
}
.decor-2 {
    top: auto;
    bottom: -10vw;
    left: auto;
    right: -10vw;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
}

/* Header & Hero */
.hero {
    padding: 6rem 2rem 4rem;
    text-align: center;
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.theme-toggle {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: transform 0.2s;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.badge {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    border-radius: 2rem;
    background: linear-gradient(135deg, var(--accent), #1e40af);
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.main-title {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    margin-bottom: 1.5rem;
}

.title-small {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.title-large {
    font-size: clamp(0.9rem, 4.5vw, 2.5rem);
    font-weight: 700;
    word-break: keep-all;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 1.5rem;
}

.update-info {
    font-size: 0.9rem;
    color: var(--text-secondary);
    opacity: 0.8;
}

/* Disclaimer */
.disclaimer-container {
    max-width: 900px;
    margin: 0 auto 4rem;
    padding: 0 1.5rem;
}

.disclaimer {
    background: var(--card-bg);
    border: 1px solid var(--gold);
    border-left: 4px solid var(--gold);
    border-radius: 8px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.disclaimer h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: var(--gold);
}

.disclaimer ul {
    list-style-position: inside;
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.disclaimer li {
    margin-bottom: 0.5rem;
}
.disclaimer strong {
    color: var(--text-primary);
}

/* Registry Cards */
.registry-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem 6rem;
    display: grid;
    gap: 3rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.card.visible {
    opacity: 1;
    transform: translateY(0);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.15);
}

.retired-card {
    position: relative;
    opacity: 0.5;
    filter: grayscale(100%);
    background-color: #e2e8f0;
}

.retired-card:hover {
    opacity: 0.7;
    filter: grayscale(100%);
}

[data-theme="dark"] .retired-card {
    background-color: #1e293b;
}

.retired-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: #475569;
    color: white;
    padding: 0.4rem 1.2rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: var(--shadow);
    z-index: 10;
    letter-spacing: 0.05em;
}

/* Remove hover effect matching dark mode specifically for background, keep box-shadow */
[data-theme="dark"] .card:hover {
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.8);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--card-border);
}

.company-info {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.listing {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.company {
    font-size: 1.25rem;
    font-weight: 700;
}

.confirmed {
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: var(--bg-color);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
}

.person-name {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    display: flex;
    flex-direction: column;
}

.person-name .title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 0.3rem;
}

.details {
    display: grid;
    gap: 1.5rem;
}

.detail-section h4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.detail-section p {
    font-weight: 500;
}

.career-list {
    list-style: none;
}

.career-item {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.career-date {
    flex-shrink: 0;
    width: 6.5em; /* max width like 昭和60年10月 */
    text-align: right;
    color: var(--text-secondary);
    font-weight: 500;
}

.career-desc {
    flex-grow: 1;
}

.career-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.sources-wrapper {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px dotted var(--card-border);
}

.sources-title {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
    letter-spacing: 0.05em;
}

.sources-list {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.source-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: var(--bg-color);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
}

.source-link:hover {
    border-color: var(--accent);
    color: var(--accent);
}

footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--card-border);
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding: 4rem 1.5rem 3rem;
    }
    .title-small {
        font-size: 1.2rem;
    }
    .card-header {
        flex-direction: column;
        gap: 1rem;
    }
    .card {
        padding: 1.5rem;
    }
    .person-name {
        font-size: 2rem;
    }
}