@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700;900&family=Noto+Serif+JP:wght@400;700;900&display=swap');

:root {
    --bg-color: #050505;
    --text-color: #ffffff;
    --primary: #0066ff;
    /* Neon Pink */
    --secondary: #12d1ff;
    /* Neon Cyan */
    --accent: #ff8c00;
    /* Neon Orange */
    --mizuiro-light: #1a1a1a;
    --hard-shadow: 8px 8px 0px rgba(0, 102, 255, 0.3);
    --border-color: #0066ff;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Noto Sans JP', sans-serif;
    overflow-x: hidden;
    user-select: none;
    /* Prevent text selection */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* Background Grid - Professional Neon Edition */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: -1;
    pointer-events: none;
}

/* Aura Blobs */
.aura-blob {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    z-index: -2;
    pointer-events: none;
    animation: aura-move 20s infinite alternate-reverse ease-in-out;
}

@keyframes aura-move {
    from {
        transform: translate(0, 0) scale(1);
    }

    to {
        transform: translate(10%, 10%) scale(1.1);
    }
}

.blob-pink {
    background: var(--primary);
}

.blob-cyan {
    background: var(--secondary);
}

.blob-orange {
    background: var(--accent);
}

.blob-yellow {
    background: #fff600;
}

.blob-green {
    background: #00ffbf;
}

/* Section Header Style */
.section-title-wrap {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.section-number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary);
    font-family: 'Noto Serif JP', serif;
}

.section-title {
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.section-sub {
    font-size: 0.875rem;
    color: var(--primary);
    letter-spacing: 0.2em;
    font-style: italic;
}

/* Hard Shadow Components - Neon Dark Edition */
.hard-card {
    background: #0a0a0a;
    color: #ffffff;
    border: 3px solid var(--border-color);
    box-shadow: var(--hard-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.hard-card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 12px 12px 20px rgba(0, 102, 255, 0.4);
    border-color: var(--secondary);
}

.hard-btn {
    border: 3px solid var(--border-color);
    box-shadow: 4px 4px 0px rgba(0, 184, 212, 0.2);
    transition: all 0.2s ease;
}

.hard-btn:hover {
    transform: translate(2px, 2px);
    box-shadow: 0px 0px 0px transparent;
}

/* Swiper Tuning */
.fv-swiper .swiper-slide img {
    filter: brightness(1.0) contrast(1.0);
}

/* Custom Utilities */
.text-stroke-cyan {
    -webkit-text-stroke: 1px var(--primary);
    color: transparent;
}

.bg-text {
    position: absolute;
    font-family: 'Noto Serif JP', serif;
    font-weight: 900;
    font-size: 15rem;
    line-height: 1;
    color: rgba(255, 255, 255, 0.03);
    z-index: -1;
    white-space: nowrap;
    pointer-events: none;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* SP Menu and Hamburger Animation */
#sp-menu.open {
    opacity: 1;
    pointer-events: auto;
}

#menu-btn.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

#menu-btn.active span:nth-child(2) {
    opacity: 0;
}

#menu-btn.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Responsive Overrides */
@media (max-width: 768px) {
    .section-title {
        font-size: 1.5rem;
    }

    .bg-text {
        font-size: 8rem;
    }
}