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

body {
    font-family: 'Noto Sans JP', sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}
body::before{content:'';position:fixed;inset:0;background:linear-gradient(rgba(10,10,10,0.5),rgba(10,10,10,0.7)),url('bg-100cb-1.png') center/cover no-repeat;z-index:-1;pointer-events:none;}
section,.section,.container,header,footer,main,.hero,.cta-section,article{background-color:transparent !important;}


#root {
    width: 100%;
    min-height: 100vh;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 40px;
    width: auto;
}

.btn-participate {
    background: #FFD700;
    color: #000;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
}

.btn-participate:hover {
    background: #FFC700;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.4);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 4rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at center, rgba(255, 215, 0, 0.15) 0%, transparent 70%),
        linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: 
        repeating-conic-gradient(
            from 0deg at 50% 50%,
            rgba(255, 215, 0, 0.1) 0deg,
            transparent 2deg,
            transparent 10deg
        );
    animation: rotate 60s linear infinite;
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-character-left,
.hero-character-right {
    position: absolute;
    width: 200px;
    height: auto;
    z-index: 2;
    animation: float 3s ease-in-out infinite;
}

.hero-character-left {
    left: 5%;
    bottom: 10%;
}

.hero-character-right {
    right: 5%;
    bottom: 10%;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 800px;
}

.hero-subtitle {
    font-size: 0.9rem;
    letter-spacing: 3px;
    color: #FFD700;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.hero-title-line1,
.hero-title-line4 {
    font-size: 2rem;
    color: #fff;
}

.hero-title-line2 {
    font-size: 6rem;
    font-weight: 900;
    color: #FFD700;
    line-height: 1;
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
}

.hero-title-line3 {
    font-size: 3rem;
    font-weight: 700;
    color: #FFD700;
}

.hero-catchphrase {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

.hero-amount {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.hero-amount-highlight {
    font-size: 1.8rem;
    font-weight: 700;
    color: #FFD700;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background: #FFD700;
    color: #000;
    padding: 1rem 3rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    margin: 0.5rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: #FFC700;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
}

.btn-secondary {
    display: inline-block;
    background: transparent;
    color: #FFD700;
    padding: 1rem 3rem;
    border-radius: 8px;
    border: 2px solid #FFD700;
    font-weight: 700;
    font-size: 1.1rem;
    margin: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-secondary:hover {
    background: rgba(255, 215, 0, 0.1);
    transform: translateY(-2px);
}

/* Section Styles */
.section {
    position: relative;
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    color: #FFD700;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: #FFD700;
}

.section-character-left,
.section-character-right,
.section-character-right-top,
.section-character-left-bottom {
    position: absolute;
    width: 150px;
    height: auto;
    animation: float 3s ease-in-out infinite;
}

.section-character-left {
    left: 2%;
    top: 20%;
}

.section-character-right {
    right: 2%;
    top: 20%;
}

.section-character-right-top {
    right: 2%;
    top: 10%;
}

.section-character-left-bottom {
    left: 2%;
    bottom: 10%;
}

/* Campaign Overview */
.overview-card {
    background: rgba(20, 20, 20, 0.8);
    border: 2px solid #FFD700;
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
}

.icon-gift {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.overview-title {
    font-size: 2rem;
    color: #FFD700;
    margin-bottom: 1rem;
}

.overview-subtitle {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.overview-period {
    font-size: 1rem;
    opacity: 0.8;
    margin-bottom: 2rem;
}

.plan-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.plan-card {
    background: rgba(10, 10, 10, 0.9);
    border: 1px solid #FFD700;
    border-radius: 12px;
    padding: 2rem;
}

.plan-label {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.plan-amount {
    font-size: 2rem;
    font-weight: 700;
    color: #FFD700;
    margin-bottom: 0.5rem;
}

.plan-cashback {
    font-size: 1rem;
    opacity: 0.9;
}

.overview-badges {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.badge {
    background: rgba(255, 215, 0, 0.2);
    border: 1px solid #FFD700;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* How to Participate */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step-card {
    background: rgba(20, 20, 20, 0.8);
    border: 1px solid #333;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.step-card:hover {
    border-color: #FFD700;
    transform: translateY(-5px);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: #FFD700;
    color: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.step-character {
    width: 100px;
    height: auto;
    margin: 1rem 0;
}

.step-title {
    font-size: 1.2rem;
    color: #FFD700;
    margin-bottom: 1rem;
}

.step-description {
    font-size: 0.95rem;
    opacity: 0.9;
    line-height: 1.6;
}

/* Rules Section */
.rules-card {
    background: rgba(20, 20, 20, 0.8);
    border: 1px solid #333;
    border-radius: 16px;
    padding: 3rem;
}

.rules-title {
    font-size: 1.8rem;
    color: #FFD700;
    text-align: center;
    margin-bottom: 2rem;
}

.warning-box {
    background: rgba(255, 215, 0, 0.1);
    border: 2px solid #FFD700;
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 600;
}

.result-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.result-card {
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
}

.result-win {
    background: rgba(0, 255, 0, 0.05);
    border: 2px solid #00ff00;
}

.result-lose {
    background: rgba(255, 0, 0, 0.05);
    border: 2px solid #ff0000;
}

.result-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.result-win .result-icon {
    color: #00ff00;
}

.result-lose .result-icon {
    color: #ff0000;
}

.result-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.result-description {
    opacity: 0.9;
}

.rules-note {
    text-align: center;
    opacity: 0.8;
    margin-bottom: 2rem;
}

.distribution-info {
    background: rgba(255, 215, 0, 0.1);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
}

.info-icon {
    font-size: 1.5rem;
    margin-right: 0.5rem;
}

.info-text {
    font-weight: 600;
    color: #FFD700;
}

.info-detail {
    margin-top: 0.5rem;
    opacity: 0.9;
}

/* Terms Section */
.terms-card {
    background: rgba(20, 20, 20, 0.8);
    border: 1px solid #333;
    border-radius: 16px;
    padding: 3rem;
}

.terms-list {
    list-style: none;
}

.terms-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.9;
}

.terms-list li:last-child {
    border-bottom: none;
}

/* Application Section */
.application-card {
    background: rgba(20, 20, 20, 0.8);
    border: 1px solid #333;
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
}

.icon-chat {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.application-title {
    font-size: 1.8rem;
    color: #FFD700;
    margin-bottom: 1rem;
}

.application-description {
    opacity: 0.9;
    margin-bottom: 2rem;
}

.code-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.code-card {
    background: rgba(10, 10, 10, 0.9);
    border: 2px solid #FFD700;
    border-radius: 12px;
    padding: 2rem;
    position: relative;
}

.code-card-recommended {
    border-color: #FFD700;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

.recommended-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: #FFD700;
    color: #000;
    padding: 0.3rem 1rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 700;
}

.code-label {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.code-amount {
    font-size: 2rem;
    font-weight: 700;
    color: #FFD700;
    margin-bottom: 0.5rem;
}

.code-cashback {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.code-box {
    background: rgba(0, 0, 0, 0.5);
    border: 1px dashed #FFD700;
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.code-text {
    font-family: monospace;
    color: #FFD700;
    font-size: 1rem;
}

.btn-copy {
    background: transparent;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-copy:hover {
    transform: scale(1.2);
}

.code-note {
    font-size: 0.8rem;
    opacity: 0.7;
}

.application-warning {
    margin-top: 2rem;
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Final CTA Section */
.final-cta {
    position: relative;
    text-align: center;
    padding: 6rem 2rem;
    overflow: hidden;
}

.final-cta-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at center, rgba(255, 215, 0, 0.2) 0%, transparent 70%),
        linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    z-index: 0;
}

.final-cta-title {
    position: relative;
    z-index: 1;
    font-size: 3rem;
    color: #FFD700;
    margin-bottom: 1.5rem;
}

.final-cta-description {
    position: relative;
    z-index: 1;
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.final-cta-period {
    position: relative;
    z-index: 1;
    margin-top: 2rem;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title-line2 {
        font-size: 4rem;
    }
    
    .hero-title-line3 {
        font-size: 2rem;
    }
    
    .hero-character-left,
    .hero-character-right {
        width: 120px;
    }
    
    .section-character-left,
    .section-character-right,
    .section-character-right-top,
    .section-character-left-bottom {
        width: 100px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .steps,
    .plan-cards,
    .result-cards,
    .code-cards {
        grid-template-columns: 1fr;
    }
    
    .header {
        padding: 1rem;
    }
    
    .logo {
        height: 30px;
    }
    
    .btn-participate {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}