:root {
    --bg-color: #050508;
    --text-color: #e0e0e0;
    --accent-color: #00d4ff;
    --accent-glow: rgba(0, 212, 255, 0.4);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Zen Kaku Gothic New', sans-serif;
    --font-head: 'Audiowide', cursive;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.8;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

/* --- Loader --- */
#loading {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: #000;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease;
}
.logo-text {
    font-family: var(--font-head);
    font-size: 2rem;
    color: var(--accent-color);
    animation: pulse 1.5s infinite;
}

/* --- Header --- */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    transition: 0.4s;
}
header.scrolled {
    background: rgba(5, 5, 8, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px 40px;
    border-bottom: 1px solid var(--glass-border);
}
header .logo {
    font-family: var(--font-head);
    font-size: 1.5rem;
    color: #fff;
    text-shadow: 0 0 10px var(--accent-glow);
}
.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}
.nav-menu li a {
    font-size: 0.9rem;
    letter-spacing: 1px;
    position: relative;
}
.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--accent-color);
    transition: 0.3s;
}
.nav-menu li a:hover::after {
    width: 100%;
}

/* --- Hero --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    text-align: center;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    /* 画像名を変更済み */
    background: url('../images/白神殿_2.jpg') no-repeat center center/cover;
    filter: brightness(0.7) blur(2px);
    z-index: -1;
    transform: scale(1.1);
}
.hero h1 {
    font-family: var(--font-head);
    font-size: 5rem;
    letter-spacing: 5px;
    text-shadow: 0 0 20px var(--accent-glow);
    margin-bottom: 10px;
}
.catchphrase {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}
.sub-text {
    font-size: 0.9rem;
    color: var(--accent-color);
    letter-spacing: 2px;
}
.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    animation: bounce 2s infinite;
}

/* --- Common Section --- */
.section-padding {
    padding: 100px 5%;
}
.container {
    max-width: 1000px;
    margin: 0 auto;
}
.section-title {
    font-family: var(--font-head);
    font-size: 2.5rem;
    margin-bottom: 40px;
    border-left: 4px solid var(--accent-color);
    padding-left: 20px;
    color: #fff;
}
.dark-bg {
    background: rgba(255, 255, 255, 0.02);
}

/* --- News --- */
.news-list {
    list-style: none;
}
.news-list li {
    border-bottom: 1px solid var(--glass-border);
    padding: 15px 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
}
.news-list .date {
    font-family: monospace;
    color: var(--accent-color);
}
.news-list .category {
    background: var(--glass-border);
    padding: 2px 10px;
    font-size: 0.8rem;
    border-radius: 4px;
}

/* --- About --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.profile-card, .company-info {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 30px;
    border-radius: 10px;
    backdrop-filter: blur(5px);
}
.profile-card h3, .company-info h3 {
    color: var(--accent-color);
    margin-bottom: 20px;
    font-family: var(--font-head);
}
.en-name {
    font-size: 0.8em;
    color: #888;
    margin-left: 10px;
}
dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 10px 20px;
}
dt {
    font-weight: bold;
    color: #aaa;
}

/* --- Works Preview & Categories --- */
.works-categories {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}
.category-box {
    flex: 1;
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(0,0,0,0) 100%);
    border: 1px solid var(--glass-border);
    padding: 40px 20px;
    text-align: center;
    border-radius: 10px;
    transition: 0.4s;
}
.category-box:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.1);
}
.category-box h3 {
    font-family: var(--font-head);
    font-size: 1.5rem;
    margin-bottom: 10px;
}
.btn-container {
    text-align: center;
}
.btn-primary, .btn-submit {
    display: inline-block;
    padding: 15px 40px;
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    font-weight: bold;
    letter-spacing: 2px;
    transition: 0.3s;
    cursor: pointer;
    text-transform: uppercase;
}
.btn-primary:hover, .btn-submit:hover {
    background: var(--accent-color);
    color: #000;
    box-shadow: 0 0 20px var(--accent-glow);
}

/* --- Contact --- */
.contact-form {
    display: grid;
    gap: 20px;
    background: rgba(255, 255, 255, 0.03);
    padding: 40px;
    border-radius: 10px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: #ccc;
}
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 10px;
    background: rgba(0,0,0,0.5);
    border: 1px solid #444;
    color: #fff;
    border-radius: 4px;
    font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* --- Footer --- */
footer {
    text-align: center;
    padding: 30px;
    font-size: 0.8rem;
    color: #666;
    border-top: 1px solid #222;
}

/* --- Animations --- */
@keyframes pulse {
    0% { opacity: 0.5; }
    50% { opacity: 1; text-shadow: 0 0 15px var(--accent-color); }
    100% { opacity: 0.5; }
}
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateX(-50%) translateY(0);}
    40% {transform: translateX(-50%) translateY(-10px);}
    60% {transform: translateX(-50%) translateY(-5px);}
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .hero h1 { font-size: 3rem; }
    .about-grid { grid-template-columns: 1fr; }
    .works-categories { flex-direction: column; }
    .nav-menu { display: none; }
    header { padding: 15px 20px; }
}