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

:root {
    --bg-base: #c8d0dc;
    --ink: #2a3344;
    --muted: #5a6478;
    --accent: #6b8aad;
    --glass-bg: rgba(255, 255, 255, 0.22);
    --glass-bg-strong: rgba(255, 255, 255, 0.32);
    --glass-border: rgba(255, 255, 255, 0.52);
    --glass-border-soft: rgba(255, 255, 255, 0.28);
    --glass-blur: 20px;
    --glass-shadow: 0 8px 32px rgba(31, 45, 72, 0.12);
    --glass-glow: 0 0 40px rgba(255, 255, 255, 0.35);
    --radius: 18px;
    --radius-sm: 12px;
    --font-heading: "Kosugi Maru", sans-serif;
    --font-body: "Noto Sans JP", sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--ink);
    line-height: 1.7;
    min-height: 100vh;
    background-color: var(--bg-base);
    background-image:
        radial-gradient(ellipse 70% 55% at 15% 10%, rgba(168, 190, 220, 0.55), transparent 55%),
        radial-gradient(ellipse 60% 50% at 85% 15%, rgba(190, 200, 218, 0.45), transparent 50%),
        radial-gradient(ellipse 50% 45% at 50% 95%, rgba(176, 186, 204, 0.4), transparent 55%),
        linear-gradient(160deg, #b8c4d4 0%, #c5ceda 40%, #d0d8e4 100%);
    background-attachment: fixed;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.15), transparent 40%),
        radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.1), transparent 35%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1060px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* Glass utility */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow), var(--glass-glow), inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 24px rgba(31, 45, 72, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    letter-spacing: 0.04em;
    color: var(--ink);
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
}

.logo::after {
    content: "";
    display: inline-block;
    width: 24px;
    height: 1px;
    margin-left: 10px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.8), transparent);
    vertical-align: middle;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--muted);
    font-size: 0.9rem;
    transition: color 0.2s ease, text-shadow 0.2s ease;
}

.nav-link:hover {
    color: var(--ink);
    text-shadow: 0 0 12px rgba(255, 255, 255, 0.8);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 20px;
    height: 2px;
    background: rgba(42, 51, 68, 0.75);
    border-radius: 2px;
}

/* Hero */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding-top: 88px;
    position: relative;
}

.hero-content {
    max-width: 760px;
    padding: 40px 36px;
    background: var(--glass-bg-strong);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--glass-shadow), var(--glass-glow), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.hero-eyebrow {
    color: var(--muted);
    font-size: 0.84rem;
    margin-bottom: 14px;
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.mono-tag {
    font-size: 0.72rem;
    color: var(--accent);
    border: 1px solid rgba(255, 255, 255, 0.55);
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 999px;
    padding: 4px 10px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.1rem, 5vw, 3.25rem);
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: 16px;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.5);
}

.hero-subtitle {
    color: var(--muted);
    margin-bottom: 28px;
}

.btn {
    display: inline-block;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all 0.25s ease;
    cursor: pointer;
    font-family: var(--font-body);
}

.btn-primary {
    padding: 12px 22px;
    background: rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--ink);
    border: 1px solid rgba(255, 255, 255, 0.65);
    box-shadow: 0 4px 20px rgba(31, 45, 72, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.48);
    box-shadow: 0 8px 28px rgba(31, 45, 72, 0.14), 0 0 24px rgba(255, 255, 255, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

/* Sections */
section {
    padding: 86px 0;
    position: relative;
    z-index: 1;
}

.section-header {
    margin-bottom: 36px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--ink);
    margin-bottom: 10px;
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.4);
}

.section-intro {
    color: var(--muted);
    max-width: 720px;
}

.games-section {
    border-top: 1px solid var(--glass-border-soft);
    border-bottom: 1px solid var(--glass-border-soft);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.games-grid {
    display: grid;
    gap: 20px;
}

.game-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding: 24px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.game-card:hover {
    transform: translateY(-4px);
    background: var(--glass-bg-strong);
    box-shadow: 0 12px 40px rgba(31, 45, 72, 0.14), 0 0 32px rgba(255, 255, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.game-card:nth-child(even) .game-image {
    order: 2;
}

.game-image {
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.45);
    overflow: hidden;
    aspect-ratio: 16 / 10;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.game-placeholder {
    width: 100%;
    height: 100%;
}

.game-1 {
    background: linear-gradient(145deg, rgba(180, 200, 225, 0.7) 0%, rgba(140, 165, 195, 0.5) 100%);
}

.game-2 {
    background: linear-gradient(145deg, rgba(195, 205, 220, 0.65) 0%, rgba(155, 170, 190, 0.45) 100%);
}

.game-3 {
    background: linear-gradient(145deg, rgba(170, 190, 210, 0.6) 0%, rgba(130, 155, 180, 0.4) 100%);
}

.game-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--ink);
    margin-bottom: 8px;
}

.game-description {
    color: var(--muted);
}

.about-content {
    max-width: 860px;
    padding: 28px 32px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.about-lead,
.about-description,
.careers-intro {
    color: var(--muted);
}

.about-lead {
    margin-bottom: 12px;
}

.positions-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.position-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border-soft);
    border-radius: var(--radius-sm);
    box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.45);
    transition: background 0.2s ease, box-shadow 0.2s ease;
}

.position-item:hover {
    background: var(--glass-bg-strong);
    box-shadow: 0 8px 28px rgba(31, 45, 72, 0.1), 0 0 20px rgba(255, 255, 255, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.position-item h4 {
    flex: 1;
    font-family: var(--font-heading);
    color: var(--ink);
}

.position-meta {
    color: var(--muted);
    font-size: 0.85rem;
}

.position-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.position-link:hover {
    text-decoration: underline;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.contact-info,
.contact-form {
    padding: 22px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.contact-block-title {
    font-family: var(--font-heading);
    color: var(--ink);
    margin-bottom: 6px;
    font-size: 1rem;
}

.contact-address,
.contact-info p,
.contact-note,
.form-intro {
    color: var(--muted);
}

.contact-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

.contact-link:hover {
    text-decoration: underline;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font-family: var(--font-body);
    color: var(--ink);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(90, 100, 120, 0.75);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.75);
    background: rgba(255, 255, 255, 0.32);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.footer {
    padding: 54px 0 24px;
    border-top: 1px solid var(--glass-border-soft);
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: relative;
    z-index: 1;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 32px;
}

.footer-logo {
    font-family: var(--font-heading);
    color: var(--ink);
    font-size: 1.05rem;
}

.footer-description,
.footer-bottom {
    color: var(--muted);
}

.footer-links {
    list-style: none;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--muted);
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--ink);
}

.newsletter-form {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.newsletter-form input {
    padding: 10px 12px;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--ink);
}

.newsletter-form input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.7);
}

/* Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.28);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border-bottom: 1px solid var(--glass-border);
        flex-direction: column;
        gap: 12px;
        padding: 18px 24px;
        box-shadow: 0 8px 32px rgba(31, 45, 72, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.5);
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        transition: all 0.2s ease;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero-content {
        padding: 30px 24px;
    }

    .game-card,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .game-card:nth-child(even) .game-image {
        order: 0;
    }

    .footer-content {
        flex-direction: column;
    }
}