:root {
    --bg: #0a0a0f;
    --card: #12121a;
    --border: #1e1e2e;
    --accent: #3b82f6;
    --accent2: #10b981;
    --text: #e2e8f0;
    --muted: #94a3b8;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans JP', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
}
.lang-bar {
    position: fixed; top: 1rem; right: 1rem; z-index: 100;
    display: flex; gap: 0.25rem;
    background: rgba(18,18,26,0.85); backdrop-filter: blur(12px);
    border: 1px solid var(--border); border-radius: 9999px; padding: 0.25rem;
}
.lang-btn {
    padding: 0.35rem 0.75rem; border: none; background: transparent;
    color: var(--muted); border-radius: 9999px; cursor: pointer;
    font-size: 0.85rem; font-weight: 600; transition: all 0.2s;
}
.lang-btn.active { background: var(--accent); color: white; }
.lang-btn:hover:not(.active) { color: var(--text); }
.hero {
    min-height: 50vh; display: flex; align-items: center; justify-content: center;
    text-align: center; padding: 2rem; position: relative; overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(59,130,246,0.08) 0%, transparent 50%);
    animation: pulse 12s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.05) rotate(3deg); }
}
.hero-content { position: relative; z-index: 1; max-width: 800px; }
.avatar {
    width: 100px; height: 100px; border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    margin: 0 auto 1.5rem; display: flex; align-items: center; justify-content: center;
    font-size: 2.5rem; font-weight: 700; color: white;
    box-shadow: 0 0 60px rgba(59,130,246,0.3);
}
h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 800; margin-bottom: 0.5rem; }
.gradient-text {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.subtitle { font-size: 1.25rem; color: var(--muted); margin-bottom: 1rem; }
.summary { font-size: 1rem; color: var(--muted); margin-bottom: 1.5rem; max-width: 700px; text-align: left; margin: 0 auto; }
.contact-links { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.contact-link {
    padding: 0.75rem 1.5rem; background: var(--card);
    border: 1px solid var(--border); border-radius: 9999px;
    color: var(--text); text-decoration: none; font-size: 0.9rem; transition: all 0.3s;
}
.contact-link:hover { border-color: var(--accent); }
section { max-width: 900px; margin: 0 auto; padding: 2.5rem 2rem; }
h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 1.5rem; }
h2 span { border-bottom: 3px solid var(--accent); padding-bottom: 0.5rem; }
.section-note { font-size: 1rem; color: var(--muted); margin-bottom: 1.5rem; }
.strengths { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.strength-item {
    background: var(--card); border: 1px solid var(--border); border-radius: 1rem;
    padding: 1.25rem;
}
.strength-item .icon { font-size: 1.5rem; margin-bottom: 0.5rem; }
.strength-item h3 { font-size: 1rem; margin-bottom: 0.5rem; color: var(--accent2); }
.strength-item p { color: var(--muted); font-size: 0.9rem; }
.company-table, .education-table {
    width: 100%; border-collapse: collapse; margin-bottom: 2rem;
}
.company-table th, .company-table td,
.education-table th, .education-table td {
    padding: 1rem; text-align: left; border-bottom: 1px solid var(--border);
}
.company-table th, .education-table th { color: var(--muted); font-weight: 600; font-size: 0.85rem; }
.company-table td, .education-table td { font-size: 0.95rem; }
.project-list { display: grid; gap: 2rem; }
.project {
    background: var(--card); border: 1px solid var(--border); border-radius: 1rem;
    padding: 1.5rem;
}
.project-header { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.project h3 { font-size: 1.15rem; }
.project .period { color: var(--accent2); font-size: 0.9rem; font-weight: 600; }
.project .role { color: var(--muted); font-size: 0.9rem; margin-bottom: 0.75rem; }
.project .overview { color: var(--muted); font-size: 0.95rem; margin-bottom: 1rem; padding-left: 1rem; border-left: 3px solid var(--accent); }
.project h4 { font-size: 0.9rem; color: var(--text); margin: 1rem 0 0.5rem; font-weight: 600; }
.project ul { color: var(--muted); font-size: 0.9rem; padding-left: 1.25rem; margin-bottom: 0.75rem; }
.project ul li { margin-bottom: 0.25rem; }
.tech-env { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.tech-env-title { font-size: 0.85rem; color: var(--muted); width: 100%; margin-bottom: 0.25rem; }
.tech-tag {
    padding: 0.2rem 0.6rem; background: rgba(59,130,246,0.15);
    border-radius: 9999px; font-size: 0.75rem;
}
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.skill-card {
    background: var(--card); border: 1px solid var(--border); border-radius: 1rem;
    padding: 1.25rem;
}
.skill-card h3 { font-size: 0.95rem; margin-bottom: 0.75rem; color: var(--accent2); }
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.skill-tag {
    padding: 0.2rem 0.6rem; background: rgba(59,130,246,0.15);
    border-radius: 9999px; font-size: 0.75rem;
}
.skills-list { display: grid; gap: 1.5rem; }
.skill-row { background: var(--card); border: 1px solid var(--border); border-radius: 1rem; padding: 1.25rem; }
.skill-row h3 { font-size: 0.95rem; margin-bottom: 0.75rem; color: var(--accent2); }
.skill-items { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.skill-items .skill-tag {
    padding: 0.3rem 0.75rem; font-size: 0.8rem;
}
.pr-list { display: grid; gap: 1rem; }
.pr-item {
    background: var(--card); border: 1px solid var(--border); border-radius: 1rem;
    padding: 1.25rem; display: flex; align-items: flex-start; gap: 1rem;
}
.pr-icon { font-size: 1.5rem; }
.pr-text { color: var(--muted); font-size: 0.95rem; }
footer { text-align: center; padding: 3rem 2rem; color: var(--muted); font-size: 0.85rem; border-top: 1px solid var(--border); }
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media print {
    .lang-bar { display: none; }
    body { background: white; color: #333; }
    .card { background: #f5f5f5; border-color: #ddd; }
    .tech-tag, .skill-tag { background: #e0e0e0; }
    .gradient-text { -webkit-text-fill-color: #3b82f6; }
}