@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700;800&family=Noto+Sans+JP:wght@300;400;500;700;800&display=swap');

:root {
    --bg-color: #060913;
    --card-bg: rgba(15, 22, 38, 0.4);
    --card-border: rgba(255, 255, 255, 0.05);
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --accent-color: #8b5cf6;
    --accent-hover: #7c3aed;
    --border-radius: 12px;
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    --header-height: 70px;
}

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

body {
    font-family: 'Outfit', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    overflow-x: hidden;
    perspective: 1000px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --------------------------------
   Background Effects
-------------------------------- */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    background: radial-gradient(circle at 50% 50%, #1e1b4b 0%, var(--bg-color) 80%);
    overflow: hidden;
}

.bg-blob {
    position: absolute;
    top: 35%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1);
    width: 60vmax;
    height: 60vmax;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(139, 92, 246, 0.05) 50%, transparent 70%);
    mix-blend-mode: screen;
    will-change: transform, opacity;
    transition: transform 0.3s cubic-bezier(0.1, 0.8, 0.2, 1);
}

.bg-lines {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 50px 50px;
    transform-origin: center top;
    will-change: transform;
    transition: transform 0.2s linear;
}

/* --------------------------------
   Header
-------------------------------- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(6, 9, 19, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: var(--transition);
}

.logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: 2px;
    color: #ffffff;
    text-transform: uppercase;
    text-decoration: none;
}

.logo-highlight {
    color: var(--primary-color);
}

.header-home-btn {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
    padding: 8px 20px;
    border-radius: 30px;
    transition: var(--transition-fast);
}

.header-home-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* --------------------------------
   Layout & Typography
-------------------------------- */
main {
    max-width: 1000px;
    margin: 0 auto;
    padding: calc(var(--header-height) + 60px) 20px 100px;
    position: relative;
    z-index: 2;
}

h1, h2, h3 {
    font-family: 'Outfit', 'Noto Sans JP', sans-serif;
    color: #ffffff;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

/* --------------------------------
   Reveal Animation
-------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.browser-legacy .reveal {
    opacity: 1 !important;
    transform: none !important;
}

/* --------------------------------
   Cards
-------------------------------- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-decoration: none;
    color: var(--text-color);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.glass-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
}

.glass-card:hover::before {
    opacity: 1;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-title .icon {
    font-size: 1.2rem;
    opacity: 0.8;
}

.card-desc {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 35px;
    line-height: 1.6;
}

.card-action {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    align-self: flex-start;
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 30px;
    transition: var(--transition-fast);
}

.card-action svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform var(--transition-fast);
}

.glass-card:hover .card-action {
    background: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.glass-card:hover .card-action svg {
    transform: translateX(4px);
}

/* Card variants */
.glass-card.accent:hover {
    border-color: rgba(139, 92, 246, 0.3);
}

.glass-card.accent:hover .card-action {
    background: var(--accent-color);
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}

/* --------------------------------
   Media Queries (Responsive)
-------------------------------- */
@media (max-width: 768px) {
    header {
        padding: 0 20px;
    }
    main {
        padding: calc(var(--header-height) + 40px) 20px 60px;
    }
    .card-grid {
        grid-template-columns: 1fr;
    }
    .glass-card {
        padding: 30px;
    }
    .page-title {
        font-size: 2rem;
    }
}

/* --------------------------------
   Profile Page
-------------------------------- */
.profile-container {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 50px;
    display: flex;
    gap: 50px;
    align-items: center;
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.profile-img {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.2);
    transition: var(--transition);
}

.profile-img:hover {
    transform: scale(1.05) rotate(5deg);
    border-color: rgba(59, 130, 246, 0.4);
}

.info-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.info-item .label {
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 5px;
    text-transform: uppercase;
}

.info-item p {
    font-size: 1.2rem;
    font-weight: 500;
}
        
.name-jp {
    font-size: 2rem;
    font-weight: 800;
    color: #ffffff;
}
        
.name-en {
    font-size: 1rem;
    color: var(--text-muted);
    font-family: monospace;
    margin-left: 12px;
}

.info-item a {
    color: var(--text-color);
    text-decoration: none;
    border-bottom: 1px solid var(--primary-color);
    padding-bottom: 2px;
    transition: var(--transition-fast);
}

.info-item a:hover {
    color: var(--primary-color);
    border-bottom-color: transparent;
}

@media (max-width: 768px) {
    .profile-container {
        flex-direction: column;
        text-align: center;
        padding: 40px 25px;
    }
    .name-en {
        display: block;
        margin-left: 0;
        margin-top: 5px;
    }
}

/* --------------------------------
   Lists / Announcements
-------------------------------- */
.announcement-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.announcement-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 25px 30px;
    display: flex;
    align-items: center;
    gap: 30px;
    transition: var(--transition-fast);
    text-decoration: none;
    color: var(--text-color);
}

.announcement-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(5px);
    border-color: rgba(255, 255, 255, 0.15);
}

.announcement-date {
    color: var(--primary-color);
    font-family: monospace;
    font-weight: 600;
    font-size: 1rem;
    white-space: nowrap;
}

.announcement-title {
    font-size: 1.1rem;
    font-weight: 500;
    line-height: 1.5;
    flex: 1;
}

.announcement-tag {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.announcement-tag.important {
    background: rgba(139, 92, 246, 0.15);
    color: #c4b5fd;
}

@media (max-width: 640px) {
    .announcement-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        padding: 20px;
    }
}