/* ポートフォリオ専用スタイル */

/* リセット */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ポートフォリオ用カラーパレット */
:root {
    /* 基本カラー */
    --portfolio-primary: #2d3436;
    --portfolio-secondary: #636e72;
    --portfolio-accent: #cca7ea;
    --portfolio-background: #ffffff;
    --portfolio-section-bg: #f8f9fa;
    --portfolio-border: #dfe6e9;

    /* ブランドカラー */
    --brand-primary: #cca7ea;
    --brand-secondary: #a085c7;

    /* SNSカラー */
    --github-color: #333333;
    --twitter-color: #333333;
    --mail-color: #333333;

    /* 技術スタックカラー */
    --python-color: #3776AB;
    --html-color: #E34F26;
    --js-color: #F7DF1E;
    --react-color: #61DAFB;
    --java-color: #007396;
    --postgres-color: #336791;
    --photoshop-color: #31A8FF;

    /* アニメーション */
    --hover-transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.7;
    color: var(--portfolio-primary);
    background-color: var(--portfolio-background);
    margin: 0;
    padding: 0;
}

.container {
    width: 100%;
}

/* ヘッダー */
header {
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--portfolio-background);
    position: relative;
}

.header-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
}

.header-text {
    position: relative;
    z-index: 2;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.profile-icon {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--portfolio-accent);
}

.header-titles h1 {
    font-size: 8rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0;
    line-height: 1;
    background: linear-gradient(135deg, var(--portfolio-primary) 0%, var(--portfolio-accent) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInUp 0.8s ease-out;
}

.header-titles .subtitle {
    font-size: 1.8rem;
    color: var(--portfolio-secondary);
    margin-top: 1rem;
    font-weight: 400;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.header-line {
    position: absolute;
    bottom: -2rem;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--portfolio-accent) 0%, transparent 100%);
    animation: slideInLeft 1s ease-out 0.4s backwards;
}

/* メインコンテンツ */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

section {
    margin-bottom: 6rem;
    padding: 3rem 2rem;
    background: var(--portfolio-section-bg);
    border-radius: 12px;
    border: 1px solid var(--portfolio-border);
}

section h2 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--portfolio-primary);
    margin-bottom: 2rem;
    border-bottom: 3px solid var(--portfolio-accent);
    padding-bottom: 1rem;
}

.section-subtitle {
    color: var(--portfolio-secondary);
    font-size: 1rem;
    margin-bottom: 2rem;
    font-style: italic;
}

.note {
    color: var(--portfolio-secondary);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    font-style: italic;
}

/* スキルセクション */
.skills-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.skills-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    border: 1px solid var(--portfolio-border);
    transition: var(--hover-transition);
}

.skills-list li:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.skill-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.skill-info i {
    font-size: 1.5rem;
    color: var(--portfolio-accent);
}

.skill-name {
    font-weight: 600;
    font-size: 1.1rem;
}

.skill-years {
    font-weight: 700;
    color: var(--portfolio-accent);
    font-size: 1.1rem;
}

/* シンプルリスト */
.simple-list {
    list-style: none;
}

.simple-list li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--portfolio-border);
    font-size: 1.1rem;
    position: relative;
    padding-left: 2rem;
}

.simple-list li:last-child {
    border-bottom: none;
}

.simple-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--portfolio-accent);
    font-weight: 700;
}

/* 制作実績セクション */
.works-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-button {
    padding: 1rem 2rem;
    border: 2px solid var(--portfolio-border);
    background: white;
    color: var(--portfolio-secondary);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--hover-transition);
}

.tab-button.active {
    background: var(--portfolio-accent);
    color: white;
    border-color: var(--portfolio-accent);
}

.tab-button:hover {
    transform: translateY(-2px);
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.work-card {
    display: block;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--portfolio-border);
    text-decoration: none;
    color: inherit;
    transition: var(--hover-transition);
    position: relative;
    overflow: hidden;
}

.work-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--portfolio-accent) 0%, var(--brand-secondary) 100%);
}

.work-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.work-card h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--portfolio-primary);
}

.work-description {
    color: var(--portfolio-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.work-meta-box {
    margin-top: auto;
}

.work-period {
    color: #777;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.stack-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    padding: 0.3rem 0.8rem;
    background: var(--portfolio-accent);
    color: white;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* SNSリンク */
.social-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--portfolio-border);
    text-decoration: none;
    color: inherit;
    transition: var(--hover-transition);
}

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.social-link i {
    font-size: 2rem;
    color: var(--portfolio-accent);
}

.social-text {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.social-name {
    font-weight: 600;
    font-size: 1.1rem;
}

.social-username {
    color: var(--portfolio-secondary);
    font-size: 0.9rem;
}

/* フッター */
footer {
    background: var(--portfolio-section-bg);
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--portfolio-border);
    color: var(--portfolio-secondary);
}

/* アニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* レスポンシブ */
@media (max-width: 768px) {
    .profile-header {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .header-titles h1 {
        font-size: 4rem;
    }
    
    .header-titles .subtitle {
        font-size: 1.2rem;
    }
    
    section {
        padding: 2rem 1rem;
    }
    
    section h2 {
        font-size: 2rem;
    }
    
    .work-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-list {
        grid-template-columns: 1fr;
    }
    
    .social-links {
        grid-template-columns: 1fr;
    }
}