:root {
    --primary: #10b981; /* Bio-Green */
    --primary-glow: rgba(16, 185, 129, 0.4);
    --secondary: #06b6d4; /* Cyan */
    --accent: #14b8a6; /* Teal */
    --bg: #020617; /* Deeper Dark */
    --card-bg: rgba(15, 23, 42, 0.6);
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --nav-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', 'Noto Sans SC', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Glass Nav */
.glass-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.glass-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo span {
    font-size: 1rem;
    font-weight: 400;
    margin-left: 0.5rem;
    color: var(--text);
    -webkit-text-fill-color: initial;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    transition: all 0.3s;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background-image: url('assets/hero.png');
    background-size: cover;
    background-position: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(2, 6, 23, 0.9), rgba(2, 6, 23, 0.4));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    max-width: 800px;
}

.hero h1 span {
    display: block;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin-bottom: 2.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 10px 20px -5px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px -5px var(--primary-glow);
}

.btn-outline {
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text);
    margin-left: 1rem;
    background: transparent;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Common Section */
section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 4rem;
    font-size: 1.1rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 3rem 2rem;
    border-radius: 24px;
    transition: all 0.4s ease;
    height: 100%;
}

.glass-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
    background: rgba(15, 23, 42, 0.8);
    box-shadow: 0 20px 40px -10px rgba(16, 185, 129, 0.1);
}

.glass-card .icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.glass-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

/* Products Section */
.product-card {
    padding: 0;
    overflow: hidden;
}

.product-img {
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.product-info {
    padding: 2rem;
}

.param-list {
    margin-top: 1.5rem;
    list-style: none;
}

.param-list li {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
}

.param-label {
    color: var(--text-muted);
}

/* Data Section */
.data-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.chart-box {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.bar-row {
    margin-bottom: 1.5rem;
}

.bar-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.bar-bg {
    height: 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: 6px;
    transition: width 1s ease-out;
}

.bar-fill.競品 {
    background: #64748b;
}

.fluo-img {
    width: 100%;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.2);
}

/* Footer */
.footer {
    background: #010409;
    padding: 80px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-logo {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.footer-links h4 {
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

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

.copyright {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.fade-in.appear {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 968px) {
    .data-container { grid-template-columns: 1fr; }
    .hero h1 { font-size: 3rem; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .footer-grid { grid-template-columns: 1fr; }
}