/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* フォントの読み込み */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&family=Poppins:wght@400;500;600;700&display=swap');

body {
    font-family: 'Poppins', 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    font-feature-settings: "palt";
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 英語テキスト用のクラス */
.en {
    font-family: 'Poppins', sans-serif;
    letter-spacing: 0.02em;
}

/* 日本語の見出し用のスタイル */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Noto Sans JP', sans-serif;
    font-feature-settings: "palt";
    letter-spacing: 0.04em;
}

/* ロゴ用の特別なスタイル */
.logo {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    letter-spacing: 0.05em;
}

/* ナビゲーションリンク */
.nav-links a {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* 技術スタック用のスタイル */
.work-tech span {
    font-family: 'Poppins', sans-serif;
    letter-spacing: 0.02em;
    font-weight: 500;
}

/* Header and Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    background: linear-gradient(to right, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, #60a5fa, #a78bfa);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="none"/><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    opacity: 0.3;
    animation: backgroundMove 20s linear infinite;
}

@keyframes backgroundMove {
    from { transform: translateX(0) translateY(0); }
    to { transform: translateX(100px) translateY(100px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    color: white;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    white-space: nowrap;
    display: inline-block;
    overflow: hidden;
    border-right: 3px solid #60a5fa;
    width: 0;
    animation: 
        typing-h1 1s steps(8) forwards,
        cursor 0.5s step-end infinite alternate,
        remove-cursor 0.1s linear 2s forwards;
}

.hero p:first-of-type {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0;
    white-space: nowrap;
    display: inline-block;
    overflow: hidden;
    border-right: 3px solid #60a5fa;
    width: 0;
    animation: typing-p 1s steps(12) 2s forwards, cursor 0.5s step-end infinite alternate;
}

.hero .description {
    max-width: 600px;
    line-height: 1.8;
    font-size: 1.1rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 3.5s forwards;
    align-self: flex-start;
    width: 100%;
}

@keyframes typing-h1 {
    to { width: 8.3ch; }
}

@keyframes typing-p {
    from {
        width: 0;
        opacity: 1;
    }
    to {
        width: 12ch;
        opacity: 1;
    }
}

@keyframes cursor {
    50% { border-color: transparent }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes remove-cursor {
    to {
        border-right-color: transparent;
    }
}

/* Skills Section */
.skills {
    padding: 8rem 2rem;
    background: #ffffff;
    position: relative;
    overflow: hidden;
}

.skills::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.1) 0%, rgba(167, 139, 250, 0.1) 100%);
    clip-path: polygon(0 0, 100% 0, 100% 85%, 0% 100%);
}

.skills h2 {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 4rem;
    background: linear-gradient(to right, #1e293b, #334155);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.skill-category {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, #60a5fa, #a78bfa);
}

.skill-category h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.skill-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.skill-category li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: #475569;
    font-size: 1.1rem;
}

.skill-category li::before {
    content: '•';
    color: #60a5fa;
    font-size: 1.5rem;
    margin-right: 0.5rem;
    line-height: 1;
}

/* Works Section */
.works {
    padding: 8rem 2rem;
    background: #f8fafc;
    position: relative;
    overflow: hidden;
}

.works::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.05) 0%, rgba(167, 139, 250, 0.05) 100%);
    clip-path: polygon(0 15%, 100% 0, 100% 85%, 0% 100%);
}

.works h2 {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 4rem;
    background: linear-gradient(to right, #1e293b, #334155);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.works-category {
    margin-bottom: 4rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 1rem;
}

.works-category h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: #333;
    position: relative;
    padding-left: 1rem;
    border-left: 4px solid #4a90e2;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.works-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: 0 2rem;
}

.works-track {
    display: flex;
    transition: transform 0.3s ease-in-out;
    gap: 2rem;
}

.work-item {
    flex: 0 0 calc(33.333% - 2rem);
    max-width: calc(33.333% - 2rem);
    margin-right: 2rem;
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.work-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.image-gallery-container {
    position: relative;
    background: #f1f5f9;
    border-radius: 1rem 1rem 0 0;
    overflow: hidden;
}

.image-gallery {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.image-gallery::-webkit-scrollbar {
    display: none;
}

.gallery-item {
    flex: 0 0 auto;
    width: 280px;
    height: 200px;
    position: relative;
    border-radius: 0.5rem;
    overflow: hidden;
    scroll-snap-align: start;
}

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

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-caption {
    color: white;
    text-align: center;
    padding: 1rem;
    font-size: 0.9rem;
}

.gallery-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: 1rem 0;
}

.gallery-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #cbd5e1;
    cursor: pointer;
    transition: all 0.3s ease;
}

.gallery-dot.active {
    background: #60a5fa;
    transform: scale(1.2);
}


.work-item h3 {
    color: #1e293b;
    margin: 1rem 1.5rem 1rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.work-description {
    color: #475569;
    margin: 0 1.5rem 1.5rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.work-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0 1.5rem 1.5rem;
}

.work-tech span {
    background: #f1f5f9;
    color: #1e293b;
    padding: 0.4rem 0.8rem;
    border-radius: 0.5rem;
    font-size: 0.8rem;
    font-weight: 500;
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    z-index: 2;
}

.slider-nav:hover {
    background: #4a90e2;
    color: white;
}

.slider-nav.prev {
    left: 0;
}

.slider-nav.next {
    right: 0;
}

@media (max-width: 1024px) {
    .work-item {
        flex: 0 0 calc(50% - 2rem);
        max-width: calc(50% - 2rem);
    }
}

@media (max-width: 768px) {
    .works-slider {
        padding: 0;
        margin: 0 -1rem;
        overflow: visible;
    }

    .works-track {
        gap: 1rem;
        padding: 0 1rem;
    }

    .work-item {
        flex: 0 0 calc(100% - 2rem);
        max-width: calc(100% - 2rem);
        margin-right: 1rem;
        margin-left: 1rem;
    }

    .image-gallery-container {
        margin: 0;
    }

    .image-gallery {
        padding: 0.5rem;
    }

    .gallery-item {
        width: 100%;
        height: auto;
        aspect-ratio: 16/9;
    }

    .work-description {
        padding: 0 1rem;
        font-size: 0.9rem;
    }

    .work-tech {
        padding: 0 1rem 1rem;
        flex-wrap: wrap;
    }

    .work-tech span {
        font-size: 0.8rem;
        margin: 0.2rem;
    }

    .slider-nav {
        display: none;
    }
}

/* Contact Section */
.contact {
    padding: 8rem 2rem;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="none"/><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    opacity: 0.3;
    animation: backgroundMove 20s linear infinite;
}

.contact h2 {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 4rem;
    background: linear-gradient(to right, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.contact-content p {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: linear-gradient(to right, #60a5fa, #a78bfa);
    color: white;
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    font-size: 1.1rem;
    font-weight: 500;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Footer */
footer {
    background: #0f172a;
    color: white;
    text-align: center;
    padding: 2rem;
    position: relative;
}

footer p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* モーダルスタイル */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1100;
    padding: 2rem;
}

.modal img,
.modal video {
    max-width: 90%;
    max-height: 90vh;
    margin: auto;
    display: block;
    position: relative;
    top: 50%;
    transform: translateY(-50%);
}

.close {
    position: absolute;
    top: 1rem;
    right: 2rem;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    z-index: 1101;
}

.close:hover {
    color: #3498db;
}

/* モバイル対応 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .skills-grid,
    .works-grid {
        grid-template-columns: 1fr;
    }
    
    .modal {
        padding: 1rem;
    }
    
    .modal img,
    .modal video {
        max-width: 100%;
    }
    
    .close {
        right: 1rem;
    }
}

/* 画像ギャラリーコンテナ */
.image-gallery-container {
    position: relative;
    width: 100%;
    /* margin-bottom: 3rem; */
    background: #fff;
    border-radius: 10px;
    /* overflow: hidden; */
    padding-bottom: 3rem;
}

/* 画像ギャラリー用のスタイル */
.image-gallery {
    display: flex;
    overflow-x: scroll;
    scroll-snap-type: x mandatory;
    gap: 1rem;
    padding: 1rem;
    cursor: grab;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    scrollbar-width: thin;
    scrollbar-color: #3498db #f8f9fa;
}

.image-gallery::-webkit-scrollbar {
    height: 6px;
}

.image-gallery::-webkit-scrollbar-track {
    background: #f8f9fa;
    border-radius: 3px;
}

.image-gallery::-webkit-scrollbar-thumb {
    background-color: #3498db;
    border-radius: 3px;
}

.image-gallery.grabbing {
    cursor: grabbing;
}

.gallery-item {
    flex: 0 0 100%;
    scroll-snap-align: start;
    position: relative;
    width: 300px;
    height: 200px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    cursor: pointer;
}

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

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-caption {
    color: white;
    text-align: center;
    padding: 0.5rem;
    font-size: 0.9rem;
    max-width: 90%;
}

/* ナビゲーションドット */
.gallery-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: 1rem 0;
    padding: 0.5rem;
}

.gallery-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #ccc;
    cursor: pointer;
    transition: all 0.3s ease;
}

.gallery-dot.active {
    background-color: #3498db;
    transform: scale(1.2);
}

/* デモボタン */
.image-gallery-container .view-demo {
    /* position: absolute; */
    /* bottom: -0.5rem; */
    /* left: 50%;
    transform: translateX(-50%);
    margin-bottom: 1rem;
    z-index: 2;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    transition: background-color 0.3s ease; */
}

.view-demo {
    position: absolute;
    bottom: -0.5rem;
    margin-bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(to right, #60a5fa, #a78bfa);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    z-index: 2;
}

.view-demo:hover {
    transform: translateX(-50%) translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

/* レスポンシブ対応 */
@media (max-width: 1024px) {
    .works-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .works-grid {
        grid-template-columns: 1fr;
    }
}

.gallery-item {
    width: 250px;
    height: 180px;
}

.image-gallery {
    gap: 0.5rem;
    padding: 0.25rem;
}

/* Works section - New slider styles */
.works-category {
    margin-bottom: 4rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 1rem;
}

.works-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: 0 2rem;
}

.works-track {
    display: flex;
    transition: transform 0.3s ease-in-out;
    gap: 2rem;
}

.work-item {
    flex: 0 0 calc(33.333% - 2rem);
    max-width: calc(33.333% - 2rem);
    margin-right: 2rem;
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    z-index: 2;
}

.slider-nav:hover {
    background: #4a90e2;
    color: white;
}

.slider-nav.prev {
    left: 0;
}

.slider-nav.next {
    right: 0;
}

@media (max-width: 1024px) {
    .work-item {
        flex: 0 0 calc(50% - 2rem);
        max-width: calc(50% - 2rem);
    }
}

@media (max-width: 768px) {
    .works-slider {
        padding: 0;
        margin: 0 -1rem;
        overflow: visible;
    }

    .works-track {
        gap: 1rem;
        padding: 0 1rem;
    }

    .work-item {
        flex: 0 0 calc(100% - 2rem);
        max-width: calc(100% - 2rem);
        margin-right: 1rem;
        margin-left: 1rem;
    }

    .image-gallery-container {
        margin: 0;
    }

    .image-gallery-container .view-demo {
        width: 60%;
    }

    .image-gallery {
        padding: 0.5rem;
    }

    .gallery-item {
        width: 100%;
        height: auto;
        aspect-ratio: 16/9;
    }

    .work-description {
        padding: 0 1rem;
        font-size: 0.9rem;
    }

    .work-tech {
        padding: 0 1rem 1rem;
        flex-wrap: wrap;
    }

    .work-tech span {
        font-size: 0.8rem;
        margin: 0.2rem;
    }
}