/* ポートフォリオページ専用スタイル */

/* 横スクロール防止 */
section {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    box-sizing: border-box;
}

/* ヒーローセクション */
.portfolio-hero {
    padding: 8rem 0 6rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 100%);
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.float-element {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.float-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.float-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.float-3 {
    width: 80px;
    height: 80px;
    top: 40%;
    left: 80%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-text {
    text-align: left;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
    background: linear-gradient(135deg, #ffffff 0%, #60a5fa 50%, #34d399 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.8rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.3rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem 1rem;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #34d399;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-showcase {
    position: relative;
    width: 100%;
    height: 500px;
}

.app-stack {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    z-index: 2;
}

.app-icon-large {
    width: 120px;
    height: 120px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
    animation: appFloat 4s ease-in-out infinite;
}

.app-icon-large:nth-child(1) {
    animation-delay: 0s;
}

.app-icon-large:nth-child(2) {
    animation-delay: 1s;
}

.app-icon-large:nth-child(3) {
    animation-delay: 2s;
}

.app-icon-large:nth-child(4) {
    animation-delay: 3s;
}

.app-icon-large:hover {
    transform: scale(1.1) translateY(-10px);
}

@keyframes appFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

.floating-apps {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.floating-app {
    position: absolute;
    width: 80px;
    height: 80px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    animation: orbit 8s linear infinite;
}

.floating-app-1 {
    top: 10%;
    left: 20%;
    animation-delay: 0s;
}

.floating-app-2 {
    top: 70%;
    right: 20%;
    animation-delay: 2.5s;
}

.floating-app-3 {
    top: 40%;
    right: 10%;
    animation-delay: 5s;
}

@keyframes orbit {
    0% {
        transform: rotate(0deg) translateX(50px) rotate(0deg);
    }
    100% {
        transform: rotate(360deg) translateX(50px) rotate(-360deg);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) rotate(45deg);
    }
    40% {
        transform: translateY(-10px) rotate(45deg);
    }
    60% {
        transform: translateY(-5px) rotate(45deg);
    }
}

/* セクション共通スタイル */
.portfolio-section {
    padding: 6rem 0;
}

.portfolio-section:nth-child(even) {
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.section-description {
    font-size: 1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* アプリ開発セクション */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.app-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.app-card.featured {
    border: 2px solid var(--primary-color);
}

.app-image {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
}

.app-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.app-card:hover .app-image img {
    transform: scale(1.05);
}

.app-content {
    padding: 2rem;
}

.app-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.app-category {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.app-description {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.app-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.feature-tag {
    background: var(--bg-light);
    color: var(--text-dark);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.app-links {
    display: flex;
    gap: 1rem;
}

/* Webサイト制作セクション */
.websites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.website-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.website-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.website-card.featured {
    border: 2px solid var(--primary-color);
}

.website-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.website-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.website-card:hover .website-image img {
    transform: scale(1.05);
}

.website-content {
    padding: 2rem;
}

.website-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.website-category {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.website-description {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.website-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

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

.website-links {
    display: flex;
    gap: 1rem;
}

/* その他の作品セクション */
.other-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.other-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.other-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.other-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.other-icon i {
    font-size: 2rem;
    color: white;
}

.other-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.other-description {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.other-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.other-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* 技術スタックセクション */
.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tech-category {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
}

.tech-category:hover {
    transform: translateY(-5px);
}

.tech-category h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.tech-category i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-item {
    background: var(--bg-light);
    color: var(--text-dark);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* お問い合わせCTA */
.portfolio-cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

/* ボタンスタイル */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: 2px solid;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-secondary {
    background: #fbbf24;
    color: #1f2937;
    border-color: #fbbf24;
}

.btn-secondary:hover {
    background: #f59e0b;
    color: white;
    border-color: #f59e0b;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* レスポンシブ対応 */
@media (max-width: 1024px) {
    .apps-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .websites-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .portfolio-hero {
        padding: 6rem 0 4rem;
        min-height: 80vh;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
        max-width: 100%;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 1rem;
    }
    
    .stat-item {
        padding: 1rem 0.8rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .app-showcase {
        height: 300px;
    }
    
    .app-icon-large {
        width: 80px;
        height: 80px;
    }
    
    .floating-app {
        width: 60px;
        height: 60px;
    }
    
    .app-stack {
        gap: 0.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .apps-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .app-content {
        padding: 1.5rem;
    }
    
    .websites-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .website-content {
        padding: 1.5rem;
    }
    
    .other-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .other-card {
        padding: 1.5rem;
    }
    
    .tech-categories {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .tech-category {
        padding: 1.5rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .app-features {
        justify-content: center;
    }
    
    .website-tech {
        justify-content: center;
    }
    
    .other-tech {
        justify-content: center;
    }
    
    .tech-items {
        justify-content: center;
    }
}