/*
Theme Name: Mastech Glass Processing
Theme URI: https://example.com/mastech
Author: Office South Lake / Mastech
Description: 株式会社マステックのガラス加工工場向けWordPressテーマ。実直な老舗工場のイメージとテクニカルな動きを融合。
Version: 1.0
Text Domain: mastech
*/

:root {
    --accent-color: #00e5ff;
    --accent-glow: rgba(0, 229, 255, 0.4);
    --dark-bg: #0b0f19;
    --card-bg: rgba(15, 23, 42, 0.85);
    --text-color: #e2e8f0;
    --text-muted: #94a3b8;
    --border-color: rgba(0, 229, 255, 0.3);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header */
.site-header {
    position: relative;
    width: 100%;
    height: var(--header-height, 600px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-size: cover;
    background-position: center;
    overflow: hidden;
    border-bottom: 2px solid var(--accent-color);
}

.header-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    opacity: 0.6;
}

.header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(11, 15, 25, 0.85) 0%, rgba(15, 23, 42, 0.6) 100%);
    z-index: 2;
}

.header-top {
    position: relative;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: rgba(11, 15, 25, 0.7);
    backdrop-filter: blur(5px);
    border-bottom: 1px solid var(--border-color);
}

.site-branding-header h1 {
    font-size: 1.5rem;
    letter-spacing: 2px;
    color: #fff;
}
.site-branding-header h1 a {
    color: #fff;
    text-decoration: none;
}

/* Navigation Menu */
.main-navigation {
    position: relative;
}

.main-navigation ul {
    list-style: none;
    display: flex;
    gap: 30px;
}

.main-navigation ul li {
    position: relative;
}

.main-navigation ul li a {
    display: block;
    padding: 10px 15px;
    color: var(--text-color);
    text-decoration: none;
    font-weight: bold;
    font-size: 0.95rem;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border-bottom: 2px solid transparent;
}

.main-navigation ul li a:hover,
.main-navigation ul li.current-menu-item a {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    text-shadow: 0 0 8px var(--accent-glow);
}

/* Submenu */
.main-navigation ul ul {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(11, 15, 25, 0.95);
    min-width: 200px;
    flex-direction: column;
    display: none;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    z-index: 100;
}

.main-navigation ul li:hover > ul {
    display: flex;
}

.main-navigation ul ul li a {
    padding: 12px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.main-navigation ul ul li a:hover {
    background: rgba(0, 229, 255, 0.1);
    color: var(--accent-color);
}

/* Hero Title & Subtitle */
.header-hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    margin: auto;
    padding: 20px;
}

.hero-title-box {
    display: inline-block;
    background: rgba(11, 15, 25, 0.75);
    padding: 20px 40px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(8px);
    margin-bottom: 15px;
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.15);
}

.hero-title-box h2 {
    font-size: 2.8rem;
    color: #fff;
    letter-spacing: 3px;
    font-weight: 700;
    text-transform: uppercase;
}

.hero-subtitle-box {
    display: inline-block;
    background: rgba(0, 0, 0, 0.85);
    padding: 10px 25px;
    border-radius: 4px;
    border-left: 4px solid var(--accent-color);
}

.hero-subtitle-box p {
    font-size: 1.2rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* Hamburger Menu (Mobile/Tablet) */
.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    width: 35px;
    height: 30px;
    position: relative;
    z-index: 1000;
}

.hamburger span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: var(--accent-color);
    border-radius: 3px;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 12px; }
.hamburger span:nth-child(3) { top: 24px; }

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 12px;
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg);
    top: 12px;
}

/* Main Content Area */
.site-content {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 20px;
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    letter-spacing: 2px;
    color: #fff;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    margin: 10px auto 0;
    box-shadow: 0 0 10px var(--accent-glow);
}

/* Post Grid */
.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.post-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.2);
    border-color: var(--accent-color);
}

.post-thumbnail {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    position: relative;
}

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

.post-card:hover .post-thumbnail img {
    transform: scale(1.08);
}

.post-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.post-title {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.post-title a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
}

.post-title a:hover {
    color: var(--accent-color);
}

.post-excerpt {
    font-size: 0.9rem;
    color: var(--text-muted);
    flex-grow: 1;
    margin-bottom: 15px;
}

.post-link-btn {
    align-self: flex-start;
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.post-link-btn::after {
    content: '→';
    transition: transform 0.3s;
}

.post-link-btn:hover::after {
    transform: translateX(5px);
}

/* Scroll Fade-in Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.active {
    opacity: 1;
    transform: translateY(0);
}

/* Factory Action Buttons */
.factory-buttons-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin: 60px 0;
}

.factory-btn-card {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.9));
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    text-decoration: none;
    color: #fff;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.factory-btn-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.2), transparent);
    transition: 0.5s;
}

.factory-btn-card:hover::before {
    left: 100%;
}

.factory-btn-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.factory-btn-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--accent-color);
    letter-spacing: 1px;
}

.factory-btn-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Sidebar Styling */
.site-sidebar {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 30px;
    margin: 40px 0;
}

.sidebar-company-info h3 {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.sidebar-company-info p {
    font-size: 0.95rem;
    color: var(--text-color);
    margin-bottom: 10px;
}

/* Single Equipment Styling */
.equipment-single {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 40px;
    margin: 40px 0;
}

.equipment-photo {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
}

.equipment-specs {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 15px;
    margin: 30px 0;
    padding: 20px;
    background: rgba(11, 15, 25, 0.6);
    border-radius: 6px;
    border-left: 4px solid var(--accent-color);
}

.equipment-specs dt {
    font-weight: bold;
    color: var(--accent-color);
}

.equipment-specs dd {
    color: var(--text-color);
}

/* Footer */
.site-footer {
    background: #070a12;
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

/* Responsive Media Queries */
@media (max-width: 768px) {
    .header-top {
        padding: 15px 20px;
    }
    .hamburger {
        display: block;
    }
    .main-navigation {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(11, 15, 25, 0.98);
        flex-direction: column;
        display: none;
        border-bottom: 1px solid var(--border-color);
        padding: 20px 0;
        box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    }
    .main-navigation.active {
        display: block;
    }
    .main-navigation ul {
        flex-direction: column;
        gap: 0;
        align-items: center;
    }
    .main-navigation ul li {
        width: 100%;
        text-align: center;
    }
    .main-navigation ul li a {
        padding: 15px;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    .main-navigation ul ul {
        position: static;
        box-shadow: none;
        background: rgba(0,0,0,0.3);
    }
    .hero-title-box h2 {
        font-size: 1.8rem;
    }
    .hero-title-break {
        display: block;
    }
}

/* =========================================
   カテゴリーページ (category.php) 用レイアウト
   ========================================= */

/* PC表示：横並び（Gridレイアウトを利用して3カラム） */
.category-post-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

/* ページネーションの装飾 */
.pagination {
    text-align: center;
    margin: 40px 0 60px;
}
.pagination .nav-links {
    display: inline-flex;
    gap: 10px;
    justify-content: center;
}
.pagination .page-numbers {
    padding: 8px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
}
.pagination .page-numbers.current,
.pagination .page-numbers:hover {
    background: rgba(0, 229, 255, 0.2);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* =========================================
   レスポンシブ (スマホ・タブレット表示)
   ========================================= */
@media (max-width: 768px) {
    /* スマホ表示：1列（縦並び）に変更 */
    .category-post-container {
        grid-template-columns: 1fr;
    }
}