:root {
    /* Shogakukan "Pop Academy" Palette */
    --color-primary: #FFD700;   /* Vibrant School Yellow */
    --color-secondary: #000000; /* Ink Black */
    --color-accent: #0057D9;    /* Hyper Blue */
    --color-highlight: #FF0055; /* Marker Red */
    --color-bg: #FFFFFF;
    --color-bg-alt: #F4F4F4;

    /* Typography */
    --font-heading: 'Montserrat', 'Noto Sans SC', sans-serif;
    --font-body: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;

    /* Layout */
    --border-width: 3px;
    --border-radius: 0px; /* Sharp edges */
    --shadow-hard: 5px 5px 0px #000000;
    --container-width: 1200px;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-secondary);
    line-height: 1.8;
    font-size: 16px;
    overflow-x: hidden;
    /* Subtle paper texture */
    background-image: linear-gradient(#eee 1px, transparent 1px), linear-gradient(90deg, #eee 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: center top;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 900; /* Extra Bold */
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--color-secondary);
}

h1 {
    font-size: 3.5rem;
    text-transform: uppercase;
    letter-spacing: -2px;
    position: relative;
    display: inline-block;
    background: var(--color-primary);
    padding: 0 10px;
    box-shadow: var(--shadow-hard);
    border: var(--border-width) solid var(--color-secondary);
}

h2 {
    font-size: 2.2rem;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    display: block;
    width: 100%;
    height: 8px;
    background: var(--color-primary);
    position: absolute;
    bottom: 5px;
    left: 0;
    z-index: -1;
    opacity: 0.6;
}

p {
    margin-bottom: 1.5rem;
    color: #333;
    font-weight: 400;
}

a {
    text-decoration: none;
    color: var(--color-secondary);
    transition: all 0.3s ease;
}

/* Header */
header {
    background: #fff;
    border-bottom: var(--border-width) solid var(--color-secondary);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 900;
    text-transform: uppercase;
    color: var(--color-secondary);
    background: var(--color-primary);
    padding: 5px 15px;
    border: 2px solid var(--color-secondary);
    box-shadow: 3px 3px 0 var(--color-secondary);
}

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

.nav-links a {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: uppercase;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-accent);
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

.nav-links a:hover::before,
.nav-links a.active::before {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 6rem 2rem;
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero p {
    font-size: 1.2rem;
    margin-top: 1.5rem;
    background: #fff;
    padding: 1rem;
    border: 2px solid var(--color-secondary);
    display: inline-block;
    box-shadow: 4px 4px 0 rgba(0,0,0,0.1);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--color-secondary);
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    border: 2px solid var(--color-secondary);
    margin-right: 1rem;
    margin-top: 1rem;
    position: relative;
    top: 0;
    transition: all 0.2s;
    box-shadow: 4px 4px 0 var(--color-highlight);
}

.btn:hover {
    top: -2px;
    box-shadow: 6px 6px 0 var(--color-highlight);
    color: #fff;
}

.btn-outline {
    background: #fff;
    color: var(--color-secondary);
    box-shadow: 4px 4px 0 var(--color-secondary);
}

.btn-outline:hover {
    background: var(--color-primary);
    box-shadow: 6px 6px 0 var(--color-secondary);
}

/* Sections */
.section {
    padding: 5rem 2rem;
    max-width: var(--container-width);
    margin: 0 auto;
}

.section-header {
    margin-bottom: 3rem;
    text-align: center;
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    margin-top: 0.5rem;
}

/* Grid Layout */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

/* Cards (Manga Panel Style) */
.card {
    background: #fff;
    border: var(--border-width) solid var(--color-secondary);
    padding: 0;
    position: relative;
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-hard);
}

.card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 8px 8px 0 var(--color-secondary);
}

.card-image {
    height: 200px;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: var(--border-width) solid var(--color-secondary);
    position: relative;
    overflow: hidden;
}

/* Decorative Halftone overlay for images */
.card-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(#000 1px, transparent 1px);
    background-size: 4px 4px;
    opacity: 0.1;
}

.card-content {
    padding: 1.5rem;
}

.card-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #fff;
    background: var(--color-accent);
    padding: 3px 8px;
    margin-bottom: 1rem;
    border: 1px solid var(--color-secondary);
}

.card-title {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
}

.card-excerpt {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.read-more {
    display: inline-block;
    font-weight: 700;
    border-bottom: 2px solid var(--color-secondary);
    padding-bottom: 2px;
}

.read-more:hover {
    color: var(--color-highlight);
    border-color: var(--color-highlight);
}

/* News List Style */
.news-item {
    background: #fff;
    border: var(--border-width) solid var(--color-secondary);
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    box-shadow: 4px 4px 0 #ddd;
    transition: all 0.3s;
}

.news-item:hover {
    box-shadow: var(--shadow-hard);
    border-color: var(--color-accent);
}

.news-date {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.2rem;
    color: var(--color-secondary);
    min-width: 80px;
    text-align: center;
    line-height: 1;
}

.news-date span {
    display: block;
    font-size: 0.9rem;
    color: #666;
    margin-top: 5px;
}

/* Footer */
footer {
    background: var(--color-secondary);
    color: #fff;
    padding: 4rem 2rem;
    margin-top: 4rem;
    border-top: 5px solid var(--color-primary);
}

.footer-content {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}

.footer-col h3 {
    color: var(--color-primary);
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    border-left: 5px solid var(--color-primary);
    padding-left: 10px;
}

.footer-links li {
    list-style: none;
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: #ccc;
}

.footer-links a:hover {
    color: #fff;
    padding-left: 5px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
    }

    .logo {
        font-size: 1.1rem;
        max-width: 80%;
        line-height: 1.2;
    }

    .menu-toggle {
        display: block;
        color: var(--color-secondary);
    }

    .nav-links {
        display: none;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background: #fff;
        flex-direction: column;
        padding: 1rem;
        border-bottom: var(--border-width) solid var(--color-secondary);
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        gap: 0;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid #eee;
    }

    .nav-links a::before {
        display: none;
    }

    .hero h1 {
        font-size: 2rem;
    }
    
    .grid {
        grid-template-columns: 1fr;
    }
}