@import url('https://fonts.googleapis.com/css2?family=Albert+Sans:wght@400;600;800&family=Big+Shoulders+Display:wght@700;900&family=JetBrains+Mono:wght@400;700&family=Noto+Sans+JP:wght@700;900&display=swap');

:root {
    /* Sakura Chroma Palette */
    --paper: #F1E6CB;
    --ink: #3A2516;
    --red: #E5392A;
    --pink: #E54489;
    --orange: #F09131;
    --yellow: #F0BC2A;
    --green: #3D9F47;
    --blue: #3F8BC4;

    /* Typography */
    --font-heading: 'Big Shoulders Display', sans-serif;
    --font-body: 'Albert Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --font-jp: 'Noto Sans JP', sans-serif;

    /* Borders & Spacing */
    --border-thick: 4px solid var(--ink);
    --border-thin: 2px solid var(--ink);
    
    --container-w: 1380px;
    --space-desktop: 100px;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    overflow-x: hidden;
}

body {
    position: relative;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Diagonal Rainbow Ribbon */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 16px;
    background: repeating-linear-gradient(
        45deg,
        var(--red) 0, var(--red) 20px,
        var(--pink) 20px, var(--pink) 40px,
        var(--orange) 40px, var(--orange) 60px,
        var(--yellow) 60px, var(--yellow) 80px,
        var(--green) 80px, var(--green) 100px,
        var(--blue) 100px, var(--blue) 120px
    );
    z-index: 9999;
    border-bottom: var(--border-thick);
}

/* Base Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 900;
    line-height: 1.1;
    text-transform: uppercase;
    color: var(--ink);
    letter-spacing: 0.02em;
}

p {
    line-height: 1.6;
    color: var(--ink);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

a {
    color: var(--blue);
    text-decoration: none;
    transition: all 0.2s ease;
    font-weight: 800;
}
a:hover {
    color: var(--red);
}

ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 1.5rem;
}

ul li {
    position: relative;
    padding-left: 2rem;
    font-family: var(--font-mono);
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: var(--ink);
}

ul li::before {
    content: '〄'; /* JIS Mark Checkbox */
    position: absolute;
    left: 0;
    top: 0;
    color: var(--red);
    font-size: 1.2rem;
    line-height: 1.2;
}

.text-gold { color: var(--orange) !important; background: none; -webkit-text-fill-color: initial; text-shadow: none; }
.text-emerald { color: var(--green) !important; background: none; -webkit-text-fill-color: initial; text-shadow: none; }
.text-fire { color: var(--red) !important; background: none; -webkit-text-fill-color: initial; text-shadow: none; }

/* Layout */
.container {
    max-width: var(--container-w);
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 10;
}

main { flex-grow: 1; }

/* Overridden Ambient Effects (Hidden for clean aesthetic) */
.ambient-fog, .ember-container { display: none !important; }

.noise-overlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.15'/%3E%3C/svg%3E");
    z-index: -1;
    pointer-events: none;
    mix-blend-mode: multiply;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border: var(--border-thick);
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.5rem;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.1s ease;
    box-shadow: 4px 4px 0 var(--ink);
    background: var(--paper);
    color: var(--ink);
}
.btn:active {
    transform: translate(4px, 4px);
    box-shadow: 0px 0px 0 var(--ink);
}
.btn-primary {
    background: var(--red);
    color: var(--paper);
}
.btn-primary:hover {
    background: var(--yellow);
    color: var(--ink);
}
.btn-secondary {
    background: var(--blue);
    color: var(--paper);
}
.btn-secondary:hover {
    background: var(--pink);
    color: var(--paper);
}

/* Header & Nav */
header {
    position: fixed;
    top: 36px;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    max-width: var(--container-w);
    z-index: 1000;
}
.nav-glass {
    background: var(--paper);
    border: var(--border-thick);
    padding: 0.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 6px 6px 0 var(--ink);
}
.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.logo-crown {
    font-size: 1.8rem;
    filter: none;
}
.logo-text {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--ink) !important;
}
.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
}
.nav-links li { padding: 0; margin: 0; }
.nav-links li::before { display: none; }
.nav-links a {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--ink);
    text-transform: uppercase;
    position: relative;
    text-decoration: none;
    padding: 0.5rem 0;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; width: 100%; height: 4px;
    background: var(--red);
    transform: scaleX(0);
    transition: transform 0.2s ease;
    transform-origin: left;
}
.nav-links a:hover::after, .nav-links a.active::after {
    transform: scaleX(1);
}
.nav-links a:hover, .nav-links a.active {
    color: var(--red);
}
.nav-right { display: flex; align-items: center; gap: 1.5rem; }

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
    position: relative;
}
.hero-bg {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--paper);
    z-index: 0;
    overflow: hidden;
}
.hero-bg img {
    opacity: 0.15 !important;
    mix-blend-mode: multiply;
    filter: grayscale(100%) contrast(150%);
}
.hero-bg::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(58, 37, 22, 0.05) 2px, rgba(58, 37, 22, 0.05) 4px);
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}
.hero-content h1 {
    font-size: 6rem;
    margin-bottom: 1.5rem;
    line-height: 0.9;
    color: var(--red);
    text-shadow: 4px 4px 0 var(--ink);
}
.hero-content h1::before {
    content: '【新発売】'; /* Kanji Microtype */
    display: block;
    font-family: var(--font-jp);
    font-size: 0.25em;
    color: var(--ink);
    margin-bottom: 0.5rem;
    text-shadow: none;
}
.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    max-width: 90%;
    font-weight: 800;
}
.hero-actions { display: flex; gap: 1rem; margin-bottom: 2rem; }

.disclaimer-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--yellow);
    border: var(--border-thick);
    padding: 8px 16px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--ink);
    text-transform: uppercase;
    box-shadow: 4px 4px 0 var(--ink);
    margin-bottom: 2rem;
}

/* Floating Slot Visual -> Cassette Container */
.floating-slot-visual {
    width: 100%;
    height: 100%;
    background: var(--paper);
    border: var(--border-thick);
    border-top: 24px solid var(--ink);
    border-bottom: 24px solid var(--ink);
    box-shadow: 8px 8px 0 var(--ink);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}
.floating-slot-visual::before {
    content: 'TDK-60';
    position: absolute;
    top: -22px; left: 10px;
    color: var(--paper);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: bold;
}
.floating-slot-visual::after {
    content: 'A';
    position: absolute;
    bottom: -22px; right: 10px;
    color: var(--paper);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: bold;
}
.floating-slot-visual h3 {
    font-size: 3rem;
    color: var(--red);
    margin-bottom: 0.5rem;
}
.floating-slot-visual p {
    font-family: var(--font-mono);
    font-weight: bold;
}

/* Stats Section */
.stats-section {
    padding: 4rem 0;
    background: var(--paper);
    border-top: var(--border-thick);
    border-bottom: var(--border-thick);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}
.stat-item h4 {
    font-size: 4.5rem;
    text-shadow: 4px 4px 0 var(--ink);
    margin-bottom: 0.5rem;
}
.stat-item p {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--ink);
    text-transform: uppercase;
}

/* Game Section */
.game-section { padding: var(--space-desktop) 0; position: relative; }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header h2 { font-size: 4rem; color: var(--red); }
.section-header h2::before {
    content: '【注目】';
    display: block;
    font-family: var(--font-jp);
    font-size: 0.35em;
    color: var(--ink);
    margin-bottom: 0.5rem;
}

.game-container {
    max-width: 1240px;
    margin: 0 auto;
    background: var(--paper);
    border: var(--border-thick);
    padding: 2rem;
    box-shadow: 8px 8px 0 var(--ink);
}
.game-frame-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    border: var(--border-thick);
    background: var(--ink);
}
.game-frame-wrapper iframe {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    border: none;
}
.game-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
    padding: 0 1rem;
    border-top: var(--border-thin);
    padding-top: 1.5rem;
}
.game-controls h3 { font-size: 2rem; }

/* Features Grid */
.features-section { padding: var(--space-desktop) 0; }
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.feature-card {
    background: var(--paper);
    border: var(--border-thick);
    padding: 3rem 2rem;
    box-shadow: 6px 6px 0 var(--ink);
    transition: all 0.2s ease;
}
.feature-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: 10px 10px 0 var(--ink);
}
.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    padding: 0.5rem;
    background: var(--yellow);
    border: var(--border-thick);
    box-shadow: 4px 4px 0 var(--ink);
}
.feature-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--ink);
}

/* Page Headers */
.page-header {
    padding: 160px 0 60px;
    text-align: center;
    background: var(--paper);
    border-bottom: var(--border-thick);
    background-image: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(58, 37, 22, 0.05) 10px, rgba(58, 37, 22, 0.05) 20px);
}
.page-header h1 {
    font-size: 5rem;
    color: var(--red);
    text-shadow: 4px 4px 0 var(--ink);
    margin-bottom: 1rem;
}
.page-header h1::before {
    content: '【仕様】';
    display: block;
    font-family: var(--font-jp);
    font-size: 0.3em;
    color: var(--ink);
    margin-bottom: 0.5rem;
    text-shadow: none;
}
.page-header p {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
}

/* Content Box */
.content-box {
    background: var(--paper);
    border: var(--border-thick);
    padding: 4rem;
    margin: 4rem 0;
    box-shadow: 8px 8px 0 var(--ink);
}
.content-box h2 {
    font-size: 3rem;
    margin: 2.5rem 0 1rem;
    color: var(--red);
}
.content-box h3 {
    font-size: 2rem;
    margin: 1.5rem 0 1rem;
    color: var(--blue);
}

/* Forms */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.form-group { margin-bottom: 1.5rem; }
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-family: var(--font-mono);
    font-weight: 700;
    text-transform: uppercase;
}
.form-control {
    width: 100%;
    background: var(--paper);
    border: var(--border-thick);
    padding: 1rem;
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--ink);
    box-shadow: 4px 4px 0 var(--ink);
}
.form-control:focus {
    outline: none;
    border-color: var(--blue);
}
textarea.form-control { min-height: 150px; resize: vertical; }
.company-info { border-left: var(--border-thick); padding-left: 2rem; }

/* Utility / Disclaimers */
.disclaimer-box {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--paper);
    border: var(--border-thick);
    box-shadow: 4px 4px 0 var(--red);
    position: relative;
}
.disclaimer-box::before {
    content: '【警告】';
    font-family: var(--font-jp);
    color: var(--red);
    font-weight: bold;
    display: block;
    margin-bottom: 0.5rem;
}
.img-responsive {
    max-width: 100%;
    height: auto;
    border: var(--border-thick);
    box-shadow: 6px 6px 0 var(--ink);
}

/* Footer */
footer {
    background: var(--paper);
    border-top: 8px solid var(--ink);
    padding: 4rem 0 2rem;
    position: relative;
    z-index: 10;
    margin-top: auto;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 4rem;
    margin-bottom: 4rem;
}
.footer-title {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--red);
}
.footer-links li::before { display: none; }
.footer-links li { padding-left: 0; margin-bottom: 0.5rem; }
.footer-links a { font-family: var(--font-mono); color: var(--ink); }
.footer-bottom {
    border-top: var(--border-thick);
    padding-top: 2rem;
    text-align: center;
    font-family: var(--font-mono);
    font-weight: 700;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-content h1 { font-size: 4.5rem; }
    .hero-content p { max-width: 100%; }
    .hero-actions { justify-content: center; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 3rem;}
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .company-info { border-left: none; padding-left: 0; border-top: var(--border-thick); padding-top: 2rem; }
}

@media (max-width: 768px) {
    header { top: 20px; width: 90%; }
    .nav-links, .nav-right .btn-primary { display: none; }
    .hero-content h1 { font-size: 3.5rem; }
    .features-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .content-box { padding: 2rem; }
}