/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-color: #faf9f6;        /* Warm off-white like washi paper */
    --text-color: #2c2c2c;       /* Sumi ink black */
    --text-light: #666;          /* Light gray */
    --accent-color: #8b4513;     /* Traditional brown */
    --border-color: #e0ddd5;     /* Subtle border */
    --hover-bg: #f0ede8;         /* Slightly darker off-white */
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.8;
    color: var(--text-color);
    background-color: var(--bg-color);
    font-weight: 400;
    letter-spacing: 0.02em;
}

/* Wrapper with vertical accent line */
.wrapper {
    max-width: 720px;
    margin: 0 auto;
    padding: 80px 40px;
    position: relative;
}

.vertical-line {
    position: fixed;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        var(--border-color) 10%,
        var(--border-color) 90%,
        transparent 100%
    );
    transform: translateX(-360px);
    opacity: 0.6;
    pointer-events: none;
}

/* Container */
.container {
    background: var(--bg-color);
    position: relative;
}

/* Header */
header {
    text-align: center;
    padding-bottom: 60px;
    margin-bottom: 60px;
    border-bottom: 1px solid var(--border-color);
}

.profile {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.avatar {
    width: 150px;
    height: 150px;
    border: 2px solid var(--text-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    background: var(--bg-color);
    overflow: hidden;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

h1 {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
}

.name-en {
    font-size: 1.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.name-jp {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--text-light);
    letter-spacing: 0.3em;
}

.tagline {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 300;
    letter-spacing: 0.1em;
}

/* Sections */
section {
    margin-bottom: 60px;
}

h2 {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 12px;
}

.divider {
    width: 30px;
    height: 2px;
    background: var(--text-color);
    margin-bottom: 25px;
}

/* About */
.about p {
    font-size: 0.95rem;
    line-height: 2.2;
    margin-bottom: 20px;
    text-align: justify;
}

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

.en-text {
    color: var(--text-light);
    font-size: 0.9rem !important;
}

/* Skills */
.skill-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px 40px;
}

.skill-list li {
    font-size: 0.95rem;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.skill-list li:hover {
    padding-left: 10px;
    border-bottom-color: var(--text-color);
}

/* Contact */
.contact p {
    font-size: 0.95rem;
    margin-bottom: 25px;
    color: var(--text-light);
}

.btn {
    display: inline-block;
    padding: 14px 40px;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    transition: all 0.4s ease;
    background: transparent;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--text-color);
    transition: left 0.4s ease;
    z-index: -1;
}

.btn:hover {
    color: var(--bg-color);
}

.btn:hover::before {
    left: 0;
}

/* Footer */
footer {
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.social-links {
    margin-bottom: 20px;
}

.social-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    transition: opacity 0.3s ease;
}

.social-links a:hover {
    opacity: 0.5;
}

.dot {
    margin: 0 15px;
    color: var(--text-light);
}

.copyright {
    font-size: 0.75rem;
    color: var(--text-light);
    letter-spacing: 0.1em;
}

/* Responsive */
@media (max-width: 600px) {
    .wrapper {
        padding: 50px 25px;
    }
    
    .vertical-line {
        display: none;
    }
    
    .name-en {
        font-size: 1.4rem;
    }
    
    .name-jp {
        font-size: 1rem;
    }
    
    .skill-list {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    section {
        margin-bottom: 50px;
    }
}