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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Zen Maru Gothic', sans-serif;
    background-image: url('asset/background.png');
    background-repeat: no-repeat;
    background-position: center center;
    background-attachment: fixed;
    background-size: cover;
    color: #2d3436;
    overflow-x: hidden;
    min-height: 100vh;
    line-height: 1.6;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(253, 121, 168, 0.1));
    backdrop-filter: blur(15px);
    z-index: 1000;
    padding: 1.2rem 0;
    box-shadow: 0 4px 30px rgba(253, 121, 168, 0.2);
    transition: all 0.4s ease-in-out;
    border-bottom: 2px solid rgba(253, 121, 168, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: contain;
    display: block;
    background: none !important;
    box-shadow: none !important;
}

.logo-img:hover {
    transform: scale(1.1) rotate(5deg);
}

.logo-text {
    font-size: 2.2rem;
    font-weight: 800;
    background: linear-gradient(45deg, #fd79a8, #fdcb6e, #e17055);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    text-shadow: 0 2px 10px rgba(253, 121, 168, 0.3);
    animation: logo-glow 4s ease-in-out infinite;
}

@keyframes logo-glow {
    0%, 100% { 
        filter: brightness(1) drop-shadow(0 0 5px rgba(253, 121, 168, 0.3));
    }
    50% { 
        filter: brightness(1.1) drop-shadow(0 0 15px rgba(253, 121, 168, 0.6));
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    text-decoration: none;
    color: #2d3436;
    font-weight: 700;
    padding: 1rem 2rem;
    border-radius: 30px;
    transition: all 0.4s ease;
    position: relative;
    font-size: 1.3rem;
    letter-spacing: 1.5px;
    border: 2px solid transparent;
}

.nav-link:hover {
    background: linear-gradient(45deg, #fd79a8, #fdcb6e);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 12px 35px rgba(253, 121, 168, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.sound-toggle {
    cursor: pointer;
    padding: 0.8rem;
    border-radius: 50%;
    background: linear-gradient(45deg, #fd79a8, #fdcb6e);
    color: white;
    transition: all 0.4s ease;
    width: 55px;
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 6px 20px rgba(253, 121, 168, 0.4);
    position: relative;
    overflow: hidden;
}

.sound-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.sound-toggle:hover::before {
    left: 100%;
}

.sound-toggle:hover {
    transform: scale(1.15) rotate(10deg);
    box-shadow: 0 12px 35px rgba(253, 121, 168, 0.6);
}

/* Main Content */
.main-content {
    padding-top: 100px;
}

.section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 0;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

/* Hero Section */
.hero-section {
    position: relative;
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    margin: 2rem;
    padding: 4rem 2rem;
}

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

.bonkichi-hero {
    position: relative;
    margin-bottom: 3rem;
}

.hero-bonkichi {
    width: 400px;
    height: 400px;
    object-fit: contain;
    filter: drop-shadow(0 15px 40px rgba(253, 121, 168, 0.3));
    transition: all 0.4s ease-in-out;
    animation: gentle-float 4s ease-in-out infinite;
}

@keyframes gentle-float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(2deg); }
}

.hero-title {
    font-family: 'Kalam', 'Architects Daughter', 'Indie Flower', cursive;
    font-size: 5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #fd79a8, #fdcb6e, #e17055);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 3px;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transform: rotate(-1deg);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.japanese {
    font-family: 'Shadows Into Light', 'Kalam', 'Zen Maru Gothic', cursive;
    font-size: 4rem;
    display: block;
    margin-top: 0.5rem;
    font-weight: 600;
    transform: rotate(0.5deg);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.hero-subtitle {
    font-size: 2.2rem;
    color: #e17055;
    margin-bottom: 1rem;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    animation: aura-glow 3s ease-in-out infinite;
}

@keyframes aura-glow {
    0%, 100% { 
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1), 0 0 20px rgba(253, 121, 168, 0.3);
    }
    50% { 
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1), 0 0 30px rgba(253, 121, 168, 0.6);
    }
}

.hero-description {
    font-size: 1.4rem;
    color: #636e72;
    margin-bottom: 3rem;
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    padding: 1.5rem 3rem;
    border: none;
    border-radius: 40px;
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.btn-primary {
    background: linear-gradient(45deg, #fd79a8, #fdcb6e);
    color: white;
    box-shadow: 0 8px 25px rgba(253, 121, 168, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.95);
    color: #2d3436;
    border: 4px solid #fd79a8;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(253, 121, 168, 0.5);
}

.btn:active {
    transform: translateY(-2px) scale(1.02);
}

/* Section Titles */
.section-title {
    font-size: 4rem;
    text-align: center;
    margin-bottom: 4rem;
    background: linear-gradient(45deg, #fd79a8, #fdcb6e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    font-weight: 700;
    letter-spacing: 3px;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 6px;
    background: linear-gradient(45deg, #fd79a8, #fdcb6e);
    border-radius: 3px;
}

/* About Section */
.about-section {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border-radius: 30px;
    margin: 2rem;
    padding: 4rem 2rem;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text {
    text-align: left;
}

.about-story {
    font-size: 1.6rem;
    line-height: 1.9;
    margin-bottom: 2.5rem;
    color: #2d3436;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.about-mission {
    font-size: 1.4rem;
    line-height: 1.8;
    color: #636e72;
    font-weight: 500;
}

.about-image {
    text-align: center;
}

.about-img {
    width: 400px;
    height: 400px;
    object-fit: contain;
    filter: drop-shadow(0 15px 40px rgba(253, 121, 168, 0.3));
    transition: all 0.3s ease;
    animation: gentle-float 4s ease-in-out infinite;
    animation-delay: 1s;
}

.about-img:hover {
    transform: scale(1.08);
    filter: drop-shadow(0 20px 50px rgba(253, 121, 168, 0.4));
}

/* Gallery Section */
.gallery-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border-radius: 30px;
    margin: 2rem;
    padding: 4rem 2rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.gallery-item {
    position: relative;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    transition: all 0.4s ease;
    cursor: pointer;
    min-height: 400px;
    border: 3px solid transparent;
}

.gallery-item:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.2);
    border-color: #fd79a8;
}

.gallery-img {
    width: 100%;
    height: 320px;
    object-fit: contain;
    padding: 2rem;
    filter: drop-shadow(0 8px 20px rgba(253, 121, 168, 0.2));
    transition: all 0.4s ease;
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    color: white;
    padding: 3rem 2rem 2rem;
    transform: translateY(100%);
    transition: all 0.4s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.rarity-tag {
    background: linear-gradient(45deg, #fd79a8, #fdcb6e);
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(253, 121, 168, 0.3);
}

/* Roadmap Section */
.roadmap-section {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border-radius: 30px;
    margin: 2rem;
    padding: 4rem 2rem;
    min-height: auto;
}

.roadmap-timeline {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 0;
}

.roadmap-phase {
    display: flex;
    align-items: flex-start;
    gap: 3rem;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-in-out;
    margin-bottom: 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 25px;
    padding: 2rem;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.roadmap-phase.visible {
    opacity: 1;
    transform: translateY(0);
}

.roadmap-phase:nth-child(even) {
    transform: translateY(30px);
}

.phase-icon {
    font-size: 4rem;
    background: linear-gradient(45deg, #fd79a8, #fdcb6e);
    color: white;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 15px 40px rgba(253, 121, 168, 0.3);
    flex-shrink: 0;
    overflow: hidden;
}

.phase-icon-img {
    width: 70px;
    height: 70px;
    object-fit: contain;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    padding: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: block;
}

.phase-content {
    flex: 1;
    min-height: 200px;
}

.phase-content h3 {
    font-size: 1.8rem;
    color: #e17055;
    margin-bottom: 2rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.phase-content ul {
    list-style: none;
    padding: 0;
}

.phase-content li {
    padding: 1rem 0;
    color: #636e72;
    position: relative;
    padding-left: 3rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.phase-content li::before {
    content: '🐱';
    position: absolute;
    left: 0;
    top: 1rem;
    font-size: 1.5rem;
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    padding: 4rem 0;
    text-align: center;
    min-height: auto;
    border-radius: 30px;
    margin: 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.footer-bonkichi {
    text-align: center;
}

.footer-img {
    width: 200px;
    height: 200px;
    object-fit: contain;
    display: block;
    background: none !important;
    box-shadow: none !important;
    filter: drop-shadow(0 8px 25px rgba(253, 121, 168, 0.3));
    animation: gentle-float 4s ease-in-out infinite;
    animation-delay: 2s;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.social-link {
    color: #2d3436;
    text-decoration: none;
    font-weight: 700;
    padding: 1rem 2rem;
    border-radius: 30px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.95);
    font-size: 1.3rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.social-link:hover {
    background: linear-gradient(45deg, #fd79a8, #fdcb6e);
    color: white;
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(253, 121, 168, 0.4);
}

.footer-text {
    text-align: center;
}

.footer-text p {
    color: #636e72;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Mobile Navigation */
    .navbar {
        padding: 1rem 0;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .nav-logo {
        gap: 0.5rem;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .nav-menu {
        gap: 1rem;
    }
    
    .nav-link {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
        border-radius: 15px;
    }
    
    .nav-link:hover {
        transform: translateY(-2px);
    }
    
    .sound-toggle {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    /* Mobile Main Content */
    .main-content {
        padding-top: 80px;
    }
    
    .section {
        padding: 2rem 1rem;
    }
    
    /* Mobile Typography */
    .hero-title {
        font-size: 2.5rem;
        letter-spacing: 2px;
    }
    
    .japanese {
        font-size: 2rem;
    }
    
    .hero-bonkichi {
        width: 200px;
        height: 200px;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    /* Mobile Layout */
    .about-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .about-img {
        width: 150px;
        height: 150px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .gallery-item {
        height: 250px;
    }
    
    .roadmap-phase {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
        padding: 1.5rem;
    }
    
    .phase-icon {
        width: 80px;
        height: 80px;
    }
    
    .phase-icon-img {
        width: 60px;
        height: 60px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-img {
        width: 150px;
        height: 150px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
        padding: 1rem 2rem;
        font-size: 1.1rem;
    }
    
    /* Mobile Scrollbar */
    .main-content::-webkit-scrollbar {
        width: 6px;
    }
    
    .main-content::-webkit-scrollbar-track {
        background: rgba(253, 121, 168, 0.1);
        border-radius: 3px;
    }
    
    .main-content::-webkit-scrollbar-thumb {
        background: linear-gradient(45deg, #fd79a8, #fdcb6e);
        border-radius: 3px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .phase-content {
        padding: 1.5rem;
    }
    
    .about-story {
        font-size: 1.3rem;
    }
    
    .about-mission {
        font-size: 1.2rem;
    }
    
    .gallery-item {
        min-height: 350px;
    }
    
    .gallery-img {
        height: 250px;
    }
    
    .hero-section,
    .about-section,
    .gallery-section,
    .roadmap-section,
    .footer {
        margin: 1rem;
        padding: 2rem 1rem;
    }
}

/* Utility Classes */
.visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #fd79a8, #fdcb6e);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #e84393, #fdcb6e);
} 

.contract-address-box {
    margin: 2rem auto 1.5rem auto;
    padding: 1.2rem 2.2rem;
    background: rgba(255,255,255,0.85);
    border-radius: 24px;
    box-shadow: 0 4px 24px rgba(253,121,168,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.2rem;
    font-size: 1.25rem;
    font-family: 'Kalam', 'Zen Maru Gothic', cursive;
    font-weight: 600;
    letter-spacing: 1px;
    max-width: 700px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(253, 121, 168, 0.2);
}

.contract-label {
    color: #e17055;
    font-weight: 700;
    font-size: 1.1em;
}

.contract-value {
    font-family: 'Kalam', 'Zen Maru Gothic', monospace;
    color: #fd79a8;
    background: #fff6fa;
    padding: 0.3em 0.7em;
    border-radius: 12px;
    font-size: 1.1em;
    word-break: break-all;
    border: 1px solid rgba(253, 121, 168, 0.1);
}

.copy-contract-btn {
    background: linear-gradient(45deg, #fdcb6e, #fd79a8);
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: 0.4em 1.1em;
    font-size: 1em;
    font-family: inherit;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    margin-left: 0.5em;
    box-shadow: 0 2px 8px rgba(253,121,168,0.13);
}

.copy-contract-btn:hover {
    background: linear-gradient(45deg, #fd79a8, #fdcb6e);
    transform: scale(1.07);
}