:root { --bg-color: #050505;
--text-main: #ffffff;
--text-muted: #888888; --accent-cyan: #00f0ff;
--accent-blue: #0066ff;
--accent-orange: #ffaa00; --font-display: 'Montserrat', sans-serif;
--font-body: 'Noto Sans JP', sans-serif;  --glass-bg: rgba(255, 255, 255, 0.04); 
--glass-border: rgba(255, 255, 255, 0.1);
--glass-blur: 10px;
--glass-shadow: 0 20px 50px rgba(0, 0, 0, 0.3); --z-background: 0; --z-hero: 1; --z-content: 10; --z-header: 6000; --z-menu: 6005; --z-mobile-btn: 6010; --z-loader: 99999; } html, body {
width: 100%;
margin: 0;
padding: 0;
overflow-x: hidden; background-color: var(--bg-color);
color: var(--text-main);
font-family: var(--font-body);
line-height: 1.8;
-webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
ul { list-style: none; padding: 0; margin: 0; }
img { max-width: 100%; height: auto; display: block; } #canvas-bg {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100vh;
z-index: var(--z-background);
pointer-events: none !important;
opacity: 0.7; } .container {
max-width: 1200px;
margin: 0 auto;
padding: 0 5%;
position: relative;
z-index: var(--z-content);
} .glass-box {
background: var(--glass-bg);
border: 1px solid var(--glass-border);
border-radius: 16px;
padding: 40px;
backdrop-filter: blur(var(--glass-blur));
-webkit-backdrop-filter: blur(var(--glass-blur));
box-shadow: var(--glass-shadow);
transition: transform 0.3s, border-color 0.3s;
}
.section-head, .section-title {
font-family: var(--font-display);
font-size: clamp(2rem, 5vw, 3rem);
margin-bottom: 60px;
color: var(--accent-cyan);
text-align: center;
letter-spacing: 2px;
}
.btn-link {
display: inline-block;
padding: 12px 30px;
border: 1px solid var(--glass-border);
border-radius: 50px;
font-family: var(--font-display);
font-weight: 700;
font-size: 0.9rem;
letter-spacing: 1px;
background: rgba(0,0,0,0.3);
color: #fff;
cursor: pointer;
transition: 0.3s;
}
.btn-link:hover {
background: var(--text-main);
color: #000;
border-color: var(--text-main);
} #site-header {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 80px;
z-index: var(--z-header);
padding: 0 5%;
display: flex;
justify-content: space-between;
align-items: center;
box-sizing: border-box;
background: rgba(5, 5, 5, 0.95);
backdrop-filter: blur(10px);
border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.logo {
font-family: var(--font-display);
font-weight: 700;
font-size: 1.5rem;
letter-spacing: 2px;
color: #fff;
} #nav-menu ul { display: flex; gap: 30px; align-items: center; }
#nav-menu a {
font-family: var(--font-display);
font-size: 0.85rem;
font-weight: 500;
letter-spacing: 1px;
color: #ccc;
position: relative;
}
#nav-menu a:hover, #nav-menu a.current-menu { color: #fff; } #nav-menu a::after {
content: ''; position: absolute; bottom: -5px; left: 0; width: 0%; height: 1px;
background: var(--accent-cyan); transition: 0.3s;
}
#nav-menu a:hover::after { width: 100%; }
#nav-menu a.current-menu::after {
width: 100%;
background: var(--accent-cyan);
box-shadow: 0 0 10px var(--accent-cyan);
} .contact-btn {
border: 1px solid #fff;
padding: 8px 24px !important;
border-radius: 50px;
color: #fff !important;
transition: 0.3s;
}
.contact-btn:hover {
background: var(--accent-cyan);
border-color: var(--accent-cyan);
color: #000 !important;
} #transition-overlay {
position: fixed; top: 0; left: 0; width: 100%; height: 100%;
z-index: var(--z-loader);
display: flex; align-items: center; justify-content: center;
pointer-events: auto;
background: transparent;
}
.slash-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: #000; z-index: 0; }
.slash-1, .slash-2 {
position: absolute; top: 0; left: 0; width: 100%; height: 100%;
background: #000; z-index: 1; will-change: transform;
}
.slash-1 { clip-path: polygon(0 0, 100% 0, 0 100%); }
.slash-2 { clip-path: polygon(100% 0, 100% 100%, 0 100%); }
#loader-content { position: relative; z-index: 10; text-align: center; }
.loader-text {
font-family: var(--font-display); font-size: 1.2rem; font-weight: 700;
letter-spacing: 5px; color: #fff; margin-bottom: 20px;
}
.loader-line { width: 200px; height: 1px; background: rgba(255,255,255,0.2); margin: 0 auto; overflow: hidden; }
.loader-bar { width: 100%; height: 100%; background: var(--accent-cyan); transform: translateX(-100%); } #site-footer {
position: relative; z-index: var(--z-header);
background-color: #000; padding: 80px 0 30px;
border-top: 1px solid #222;
} .mobile-menu-btn { display: none; }
@media (max-width: 1100px) {
#site-header { justify-content: flex-start !important; gap: 20px; } #nav-menu {
position: fixed; top: 0 !important; left: 0; width: 100%; height: 100dvh;
background-color: #050505 !important;
z-index: var(--z-menu) !important;
display: flex; flex-direction: column;
overflow-y: auto; -webkit-overflow-scrolling: touch;
transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
opacity: 0; visibility: hidden; pointer-events: none;
padding-top: 100px;
}
#nav-menu.active { opacity: 1; visibility: visible; pointer-events: auto; }
#nav-menu ul { flex-direction: column; text-align: center; gap: 30px; width: 100%; margin: auto 0; padding-bottom: 250px !important; }
#nav-menu a { font-size: 1.5rem; font-weight: 700; color: #fff !important; display: block; padding: 15px 0; } .mobile-menu-btn {
display: flex !important; align-items: center; justify-content: center;
position: fixed !important; top: 15px !important; right: 20px !important;
z-index: var(--z-mobile-btn) !important;
width: 44px; height: 44px; line-height: 44px;
font-family: var(--font-display); font-weight: 700; font-size: 1.5rem;
color: #fff; cursor: pointer; text-align: center; transition: 0.3s;
background: rgba(0,0,0,0.5); border-radius: 50%; backdrop-filter: blur(5px);
}
.mobile-menu-btn.active { color: var(--accent-cyan); }
}
@media (max-width: 768px) {
.container { padding: 0 5%; }
.section-head { text-align: left; font-size: 2rem; margin-bottom: 40px; }
.glass-box { padding: 25px; } }