:root {
    --primary-color: #0c0c0c;
    --secondary-color: #1a1a1a;
    --accent-color: #007aff;
    --text-color: #e0e0e0;
    --bg-color: #050505;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --container-width: 1100px;
}

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

body {
    font-family: 'Inter', 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    scroll-behavior: smooth;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    height: 80vh;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&q=80&w=2000');
    /* Abstract Space/Data */
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white);
    position: relative;
}

.hero .name {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: 2px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero .name span {
    display: block;
    font-size: 1.4rem;
    font-weight: 300;
    text-transform: uppercase;
    margin-top: 5px;
    letter-spacing: 8px;
}

.hero .tagline {
    font-size: 1.4rem;
    font-weight: 300;
    opacity: 0.9;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-10px);
    }

    60% {
        transform: translateY(-5px);
    }
}

/* Navigation */
#main-nav {
    background: rgba(12, 12, 12, 0.8);
    backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
    padding: 15px 0;
}

#main-nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 40px;
}

#main-nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
}

#main-nav a:hover {
    color: var(--accent-color);
}

/* Sections */
.section {
    padding: 120px 0;
}

.section.dark {
    background-color: #0a0a0a;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 80px;
    position: relative;
    padding-bottom: 15px;
    color: var(--white);
}

/* Vision Section */
.vision-section {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1497366216548-37526070297c?auto=format&fit=crop&q=80&w=2000');
    background-size: cover;
    background-attachment: fixed;
    color: var(--white);
    text-align: center;
    padding: 150px 0;
}

.vision-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 60px;
    border-radius: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.vision-card h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.vision-card p {
    font-size: 1.5rem;
    font-weight: 300;
    line-height: 1.8;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background-color: var(--accent-color);
}

/* Profile */
.profile-layout {
    display: flex;
    gap: 60px;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.profile-image {
    flex: 0 0 300px;
}

.profile-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.bio-text {
    flex: 1;
    font-size: 1.1rem;
}

.bio-text .lead {
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--primary-color);
    border-left: 4px solid var(--accent-color);
    padding-left: 20px;
}

/* Grid / Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(5px);
    border: 1px solid var(--glass-border);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s;
}

.card:hover {
    transform: translateY(-15px) scale(1.02);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
    font-weight: 700;
}

.card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.card p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Media List */
.media-list {
    list-style: none;
    max-width: 800px;
    margin: 0 auto;
}

.media-list li {
    display: flex;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid #eee;
}

.media-list .date {
    font-size: 0.9rem;
    color: #999;
    width: 100px;
}

.media-list .label {
    font-size: 0.75rem;
    text-transform: uppercase;
    background: #eee;
    padding: 4px 10px;
    border-radius: 4px;
    margin-right: 20px;
    font-weight: 700;
}

.media-list .title {
    font-weight: 500;
}

/* Footer */
footer {
    padding: 60px 0;
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
}

.footer-content {
    text-align: center;
}

.sns-links {
    margin: 40px 0;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.sns-item {
    color: var(--white);
    text-decoration: none;
    padding: 12px 25px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    transition: all 0.3s;
    font-weight: 500;
}

.sns-item:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.footer-links {
    margin-bottom: 30px;
}

.footer-links a {
    color: #888;
    text-decoration: none;
    margin: 0 15px;
    transition: color 0.3s;
}

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

.copyright {
    font-size: 0.8rem;
    color: #666;
}

/* Responsive */
@media (max-width: 768px) {
    .hero .name {
        font-size: 2.5rem;
    }

    #main-nav ul {
        gap: 20px;
    }

    .grid {
        grid-template-columns: 1fr;
    }
}