:root {
    --bg-color: #ffffff;
    --text-primary: #111111;
    --text-secondary: #555555;
    --accent-color: #009688; /* Blue-green (Teal) */
    --card-bg: #f9f9f9;
    --border-color: #e0e0e0;
    --hover-bg: #f0f0f0;
}

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

body {
    font-family: 'Outfit', 'Noto Sans JP', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem 1rem;
}

.container {
    width: 100%;
    max-width: 500px;
}

.profile-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.profile-header {
    text-align: left;
    margin-bottom: 2rem;
}

.avatar-container {
    width: 120px;
    height: 120px;
    margin: 0 0 1.5rem 0;
}

.avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--accent-color);
}

.name {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
}

.tagline {
    font-size: 0.95rem;
    color: var(--accent-color);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.bio {
    text-align: left;
    margin-bottom: 2.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.bio p {
    margin-bottom: 0.75rem;
}

.bio p:last-child {
    margin-bottom: 0;
}

.links-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.link-btn {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.2rem;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.2s ease;
}

.link-btn:hover {
    background: var(--hover-bg);
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 150, 136, 0.1);
}

.icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.footer {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

@media (max-width: 480px) {
    .profile-card {
        padding: 2rem 1.5rem;
    }
}