/* ========================
    Equipment Page Specific Styles
    ======================== */
.equipment-page .hero {
    height: 60vh;
    background:
        linear-gradient(135deg, rgba(11, 29, 58, 0.92) 0%, rgba(26, 54, 93, 0.7) 100%),
        url('images/floor1.webp') center/cover no-repeat;
}

.equipment-page .hero::before,
.equipment-page .hero::after {
    display: none;
}

.equipment-intro,
.equipment-section,
.tech-features,
.gallery-section {
    max-width: 1200px;
    margin: 8rem auto;
    padding: 0 2rem;
}

.equipment-intro h2,
.tech-features h2,
.gallery-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--text-white);
    margin-bottom: 3rem;
    letter-spacing: 0.1em;
}

.equipment-intro p {
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto 6rem;
    line-height: 1.8;
    text-align: center;
}

/* Intro Bridge */
.intro-bridge h2 {
    font-size: 1.8rem;
    color: var(--text-white);
    text-align: center;
    margin-bottom: 1.5rem;
}

/* Equipment Grid */
.equipment-grid {
    display: grid;
    gap: 4rem;
}

.equipment-category {
    background: var(--glass-panel);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border-cyan);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.equipment-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 144, 255, 0.15);
}

.equipment-category h3 {
    color: var(--accent-cyan);
    font-size: 1.8rem;
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--accent-cyan);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.equipment-category h3::before {
    content: '⚙️';
}

.sub-category-title {
    color: var(--text-white);
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--accent-cyan);
    padding-left: 1rem;
    font-weight: 700;
}

.machine-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.machine-card {
    background: rgba(0, 0, 0, 0.2);
    border: var(--glass-border-cyan);
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.machine-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 144, 255, 0.2);
    border-color: var(--accent-cyan);
}

.machine-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

.machine-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.machine-info {
    padding: 1.8rem;
}

.machine-info h4 {
    color: var(--text-white);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.machine-info p {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Tech Features */
.tech-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.tech-feature {
    background: var(--glass-panel);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border-cyan);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tech-feature:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 144, 255, 0.15);
    border-color: var(--accent-cyan);
}

.tech-feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.tech-feature h3 {
    color: var(--accent-cyan);
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    margin: 0 auto 1rem;
    white-space: nowrap;
    display: flex;
    justify-content: center;
    width: 100%;
}

.tech-feature p {
    color: var(--text-gray);
    font-size: 1rem;
    line-height: 1.7;
}

/* -----------------------------------
   Mosaic Gallery Styles
------------------------------------ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-auto-rows: 200px;
    gap: 1rem;
    grid-auto-flow: dense;
}

.gallery-item {
    position: relative;
    background: #0b1d3a;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid rgba(0, 144, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.gallery-item.wide {
    grid-column: span 2;
}

.gallery-item.tall {
    grid-row: span 2;
}

.gallery-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 144, 255, 0.3);
    border-color: rgba(0, 144, 255, 0.8);
    z-index: 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.85;
    transition: transform 0.6s ease, opacity 0.6s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
    opacity: 1;
}

/* 人物が写っている画像用の調整 */
img.people-focus {
    object-position: top center;
}

/* キャプション（ホバー時に下から出てくる） */
.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 1rem 1rem;
    background: linear-gradient(to top, rgba(11, 29, 58, 0.95), transparent);
    color: var(--text-white);
    font-weight: 700;
    font-size: 1rem;
    text-align: center;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    pointer-events: none;
}

.gallery-item:hover .gallery-caption {
    transform: translateY(0);
}

/* -----------------------------------
   Lightbox Modal Styles
------------------------------------ */
.lightbox {
    display: none;
    position: fixed;
    z-index: 100000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    justify-content: center;
    align-items: center;
    flex-direction: column;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox img {
    max-width: 90%;
    max-height: 80vh;
    border-radius: 12px;
    border: 2px solid var(--accent-cyan);
    box-shadow: 0 15px 50px rgba(0, 144, 255, 0.4);
    object-fit: contain;
}

.lightbox-caption {
    color: #fff;
    margin-top: 1.5rem;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #fff;
    font-size: 3rem;
    cursor: pointer;
    transition: color 0.3s;
}

.lightbox-close:hover {
    color: var(--accent-cyan);
}

/* ========================
   Mobile Adjustments
======================== */
@media (max-width: 768px) {
    .equipment-page .hero {
        height: 50vh;
    }

    .equipment-section,
    .tech-features,
    .gallery-section {
        padding: 0 1.5rem;
        margin: 6rem auto 4rem;
    }

    .equipment-intro h2,
    .tech-features h2,
    .gallery-section h2 {
        font-size: 2rem;
    }

    /* トレンドのスリークなギャラリーのためのモバイル調整 */
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 15vh;
        gap: 0.8rem;
    }

    /* モバイルでもテトリス的な複雑さを残すためspanを再定義 */
    .gallery-item.wide {
        grid-column: span 2;
    }

    .gallery-item.tall {
        grid-row: span 2;
    }

    .gallery-item.large {
        grid-column: span 2;
        grid-row: span 2;
    }

    .gallery-caption {
        transform: translateY(0);
        padding: 1rem 0.5rem 0.8rem;
        font-size: 0.9rem;
    }

    /* スマホでは最初から表示 */
}

/* ================
   Restored Layout Styles
================== */
.equipment-intro {
    text-align: center;
    margin-bottom: 6rem;
}

@media (max-width: 768px) {
    .equipment-category h3 {
        font-size: 1.4rem;
    }

    .machine-grid,
    .tech-features-grid {
        grid-template-columns: 1fr;
    }

    .intro-bridge h2 {
        font-size: 1.4rem;
    }
}