/* Custom Properties & Reset */
:root {
    --color-bg: #0a1110;
    --color-text: #e0f2f1;
    --color-accent: #00e5bf;
    --color-emerald-dark: #022b27;
    --color-emerald-light: #48f0d3;
    
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Noto Sans JP', sans-serif;
    
    --glass-bg: rgba(2, 43, 39, 0.4);
    --glass-border: rgba(0, 229, 191, 0.15);
    --glass-blur: 24px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 300;
    letter-spacing: 0.05em;
}

.text-white {
    color: #ffffff !important;
}

/* Utilities */
.container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
}

.section {
    padding: 120px 0;
    position: relative;
    z-index: 1;
}

.mt-8 {
    margin-top: 2rem;
}

/* Glassmorphism */
.glass-nav {
    background: rgba(10, 17, 16, 0.5);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.glass-card {
    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: 24px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    transition: all 0.4s ease;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
}

.logo {
    font-size: 1.5rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

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

.nav-links a {
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

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

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: -1;
    transform: scale(1.05);
    animation: slowZoom 20s ease-out forwards;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(10, 17, 16, 0.1) 0%, rgba(10, 17, 16, 0.5) 100%);
}

@keyframes slowZoom {
    0% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.hero-content {
    text-align: center;
    z-index: 1;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5.5rem);
    line-height: 1.2;
    margin-bottom: 30px;
    color: #ffffff;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 0, 0, 0.6);
}

.hero-copy {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    letter-spacing: 0.08em;
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 0, 0, 0.5);
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.scroll-indicator span {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.scroll-indicator .line {
    width: 1px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.scroll-indicator .line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: var(--color-accent);
    animation: scrollDrop 2s ease-in-out infinite;
}

@keyframes scrollDrop {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(200%); }
}

/* Layouts */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.split-layout.reverse {
    direction: rtl;
}

.split-layout.reverse > * {
    direction: ltr;
}

.section-subtitle {
    display: block;
    font-size: 0.8rem;
    color: var(--color-accent);
    letter-spacing: 0.2em;
    margin-bottom: 20px;
    font-family: var(--font-heading);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 30px;
    color: #ffffff;
    line-height: 1.3;
}

.section-desc {
    font-size: 1rem;
    color: rgba(224, 242, 241, 0.8);
    margin-bottom: 40px;
}

.image-content img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4/5;
    border-radius: 24px;
    transition: transform 0.7s ease;
}

.image-content:hover img {
    transform: scale(1.03);
}

/* Arrival Section */
.arrival-card {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    padding: 60px;
}

.arrival-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: -1;
}

.arrival-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(10, 17, 16, 0.9) 0%, rgba(10, 17, 16, 0.4) 100%);
}

.arrival-content {
    max-width: 500px;
    z-index: 1;
}

.btn-primary {
    display: inline-block;
    padding: 16px 40px;
    background: rgba(0, 229, 191, 0.1);
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    border-radius: 50px;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-primary:hover {
    background: var(--color-accent);
    color: var(--color-emerald-dark);
    box-shadow: 0 0 20px rgba(0, 229, 191, 0.4);
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    background: #050a09;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-inner {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.footer-logo {
    font-size: 2rem;
    color: var(--color-accent);
    letter-spacing: 0.2em;
    margin-bottom: 60px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

.sorairo-link {
    transition: color 0.3s ease;
}

.sorairo-link:hover {
    color: var(--color-accent);
}

/* Animations */
.fade-in-element {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-element.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.2s;
}

/* Responsive */
@media (max-width: 992px) {
    .split-layout, .split-layout.reverse {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .arrival-card {
        padding: 40px 20px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
    }
}
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section {
        padding: 80px 0;
    }
}