/* ガイドページのスタイル */
:root {
    --dark-bg: #0a0a0a;
    --card-bg: #151515;
    --accent-blue: #0073FF;
    --text-primary: #ffffff;
    --text-secondary: #89CFF0;
    --border-color: #2a2a2a;
}

body {
    background: var(--dark-bg);
    color: var(--text-primary);
}

.guide-page {
    padding-top: 80px;
    background: var(--dark-bg);
}

/* ヒーローセクション */
.guide-hero {
    background: #000000;
    color: var(--text-primary);
    padding: 80px 0;
    overflow: hidden;
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.guide-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(
            circle at 30% 50%,
            rgba(0, 115, 255, 0.15) 0%,
            rgba(0, 0, 0, 0.9) 70%
        );
    z-index: 1;
    animation: pulseGlow 4s ease-in-out infinite;
}

.guide-hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--accent-blue),
        transparent
    );
    animation: glowLine 3s infinite;
}

/* サイバーライン効果 */
.cyber-lines {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 1;
}

.cyber-lines::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    right: -50%;
    bottom: -50%;
    background: 
        linear-gradient(90deg, transparent 0%, transparent 5%, rgba(0, 115, 255, 0.05) 5.1%, transparent 5.2%),
        linear-gradient(90deg, transparent 10%, transparent 15%, rgba(0, 115, 255, 0.05) 15.1%, transparent 15.2%),
        linear-gradient(90deg, transparent 20%, transparent 25%, rgba(0, 115, 255, 0.05) 25.1%, transparent 25.2%);
    background-size: 300% 300%;
    animation: cyberMove 15s linear infinite;
    transform: rotate(30deg);
}

/* セクションスタイル */
.section {
    padding: 80px 0;
    background: var(--dark-bg);
    position: relative;
}

.section-title {
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    text-shadow: 0 0 20px rgba(0, 115, 255, 0.3);
}

/* クイックスタート */
.quick-start-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    text-align: center;
    color: var(--text-primary);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--accent-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-weight: bold;
    box-shadow: 0 0 15px rgba(0, 115, 255, 0.5);
}

/* 基本機能 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    color: var(--text-primary);
}

.feature-img {
    width: 100%;
    height: auto;
    margin-bottom: 1rem;
    border-radius: 5px;
    border: 1px solid var(--border-color);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* 使用例 */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.use-case {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    color: var(--text-primary);
}

.use-case h3 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
    text-shadow: 0 0 10px rgba(0, 115, 255, 0.3);
}

.use-case-image {
    margin-bottom: 1.5rem;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.use-case-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.use-case:hover .use-case-img {
    transform: scale(1.05);
}

.use-case-content {
    margin-top: 1.5rem;
}

.use-case-content ul {
    list-style: none;
    padding: 0;
}

.use-case-content li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 3rem auto;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    color: var(--text-primary);
}

.faq-question {
    color: var(--accent-blue);
    margin-bottom: 1rem;
    text-shadow: 0 0 10px rgba(0, 115, 255, 0.3);
}

.faq-answer {
    color: var(--text-secondary);
}

/* サポート情報 */
.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.support-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    color: var(--text-primary);
}

.support-card h3 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
    text-shadow: 0 0 10px rgba(0, 115, 255, 0.3);
}

.support-card p {
    color: var(--text-secondary);
}

/* ボタンスタイル */
.btn {
    background: transparent;
    border: 2px solid var(--accent-blue);
    color: var(--text-primary);
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    transition: all 0.3s ease;
    text-shadow: 0 0 10px rgba(0, 115, 255, 0.3);
    box-shadow: 0 0 15px rgba(0, 115, 255, 0.2);
}

.btn:hover {
    background: var(--accent-blue);
    color: white;
    box-shadow: 0 0 20px rgba(0, 115, 255, 0.4);
}

.btn-primary {
    background: var(--accent-blue);
}

.btn-secondary {
    border-color: var(--text-secondary);
}

.btn-outline:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

/* アニメーション */
@keyframes pulseGlow {
    0% { opacity: 0.7; }
    50% { opacity: 1; }
    100% { opacity: 0.7; }
}

@keyframes cyberMove {
    0% { background-position: 0% 0%; }
    100% { background-position: 100% 100%; }
}

@keyframes glowLine {
    0% { opacity: 0.3; }
    50% { opacity: 1; }
    100% { opacity: 0.3; }
}

/* ホバーエフェクト */
.step, .feature-card, .use-case, .faq-item, .support-card {
    transition: all 0.3s ease;
}

.step:hover, .feature-card:hover, .use-case:hover, .support-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 115, 255, 0.2);
    border-color: var(--accent-blue);
}

/* ヒーローインターフェース */
.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    position: relative;
    z-index: 2;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 1rem;
}

.hero-interfaces {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    width: 100%;
    max-width: 1200px;
    margin: 2rem auto 0;
    perspective: 1000px;
    padding: 1rem;
}

.interface-card {
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    cursor: pointer;
    flex: 0 1 300px;
    max-width: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s ease;
}

.interface-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.1) 0%,
        rgba(255, 255, 255, 0.05) 50%,
        rgba(255, 255, 255, 0.1) 100%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
}

.interface-card {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.3s ease;
}

.interface-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 115, 255, 0.2);
    border-color: var(--accent-blue);
}

.interface-card img {
    width: 100%;
    height: 260px;
    object-fit: contain;
    transition: transform 0.3s ease;
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.interface-card:hover img {
    transform: scale(1.05);
    filter: drop-shadow(0 6px 12px rgba(0, 115, 255, 0.3));
}

.interface-card:hover::before {
    opacity: 1;
}

.interface-card h3 {
    margin-top: 1.25rem;
    font-size: 1.2rem;
    color: var(--text-primary);
    text-align: center;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.5px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.2),
        rgba(0, 0, 0, 0.4)
    );
    opacity: 0;
    transition: opacity 0.3s ease;
}

.interface-card:hover .card-overlay {
    opacity: 1;
}

.interface-card h3 {
    color: var(--text-primary);
    text-align: center;
    margin-top: 1rem;
    font-size: 1.2rem;
    text-shadow: 0 0 10px rgba(0, 115, 255, 0.3);
}

.interface-card .card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.1),
        rgba(0, 115, 255, 0.1)
    );
    pointer-events: none;
}

/* アクセシビリティ改善 */
:focus {
    outline: 3px solid var(--accent-blue);
    outline-offset: 2px;
}

.btn:focus {
    box-shadow: 0 0 0 3px var(--accent-blue);
}

/* スクリーンリーダー用のテキスト */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* 画像の読み込み最適化 */
.interface-img {
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

/* レスポンシブ対応 */
@media (max-width: 992px) {
    .hero-interfaces {
        gap: 2rem;
        margin-top: 2rem;
    }

    .interface-card {
        flex: 0 1 280px;
        max-width: 280px;
    }

    .interface-card img {
        height: 240px;
    }

    .interface-card h3 {
        font-size: 1.1rem;
        margin-top: auto;
    }

    .hero-text {
        text-align: center;
        padding: 0 1rem;
    }

    .guide-hero .hero-title {
        font-size: 2.5rem;
        position: relative;
        color: var(--haichat-white);
        opacity: 1;
        transition: opacity 0.3s ease;
    }

    .guide-hero .hero-title::before {
        content: attr(data-text);
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        color: var(--haichat-white);
        opacity: 0;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .quick-start-steps {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

@media (max-width: 576px) {
    .guide-hero {
        padding: 60px 0;
    }

    .hero-interfaces {
        gap: 2.5rem;
    }

    .interface-card {
        flex: 0 1 100%;
        max-width: 340px;
        margin: 0 auto;
    }

    .interface-card img {
        height: 280px;
    }

    .hero-title {
        font-size: 1.8rem !important;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .guide-hero .hero-title {
        font-size: 2rem;
    }

    .hero-image {
        max-width: 100%;
    }

    .section {
        padding: 40px 0;
    }

    .section-title {
        font-size: 2rem;
    }
}