/* ===========================
   CSS Variables & Reset
   =========================== */
:root {
    /* Brand Colors */
    --primary-color: #43B9BB;
    --secondary-color: #DA4741;
    --accent-color: #db8c88;
    
    /* Neutral Colors */
    --text-dark: #2c3e50;
    --text-medium: #5a6c7d;
    --text-light: #7f8c8d;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e1e8ed;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Typography */
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.18);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

/* ===========================
   Utility Classes
   =========================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.section-title-center {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title-center::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-medium);
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 50px;
    transition: all var(--transition-medium);
    cursor: pointer;
    border: 2px solid transparent;
    font-family: var(--font-primary);
}

.btn-primary {
    background: var(--primary-color);
    color: var(--bg-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: #3aa5a7;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--bg-white);
    border-color: var(--bg-white);
}

.btn-outline:hover {
    background: var(--bg-white);
    color: var(--primary-color);
}

.btn-video {
    background: var(--secondary-color);
    color: var(--bg-white);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn-video::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-video:hover::before {
    width: 300px;
    height: 300px;
}

.btn-video:hover {
    background: #c23c37;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-video i {
    font-size: 1.2rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

.btn-xl {
    padding: 1.5rem 3.5rem;
    font-size: 1.25rem;
    font-weight: 700;
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #3aa5a7 50%, var(--secondary-color) 100%);
    color: var(--bg-white);
    overflow: hidden;
    padding: var(--spacing-lg) var(--spacing-md);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(218, 71, 65, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(67, 185, 187, 0.2) 0%, transparent 50%);
    animation: gradientMove 15s ease infinite;
}

@keyframes gradientMove {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="1" fill="white" opacity="0.3"/></svg>');
    opacity: 0.15;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 1000px;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.title-main {
    display: block;
    font-size: 2rem;
    font-weight: 500;
}

.title-emphasis {
    display: block;
    font-size: 3.5rem;
    margin-top: 0.5rem;
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 400;
    opacity: 0.95;
}

.hero-logo {
    margin-bottom: var(--spacing-lg);
}

.hero-logo h2 {
    font-family: var(--font-secondary);
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.hero-location {
    font-size: 1.2rem;
    font-weight: 400;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.hero-info {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.25rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.info-item i {
    font-size: 1rem;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 2rem;
    opacity: 0.7;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===========================
   Introduction Section
   =========================== */
.intro-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
}

.section-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

/* ===========================
   Points Section
   =========================== */
.points-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

@media (min-width: 1024px) {
    .points-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.point-card {
    background: var(--bg-white);
    border-radius: 20px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
    border-top: 5px solid var(--primary-color);
}

.point-card.point-01 {
    border-top-color: var(--primary-color);
}

.point-card.point-02 {
    border-top-color: var(--secondary-color);
}

.point-card.point-03 {
    border-top-color: var(--accent-color);
}

.point-card.point-04 {
    border-top-color: #3aa5a7;
}

.point-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.point-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.point-number {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--bg-white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
}

.new-badge {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--bg-white);
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
    animation: newBadgePulse 2s ease-in-out infinite;
}

@keyframes newBadgePulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 2px 4px rgba(218, 71, 65, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 4px 8px rgba(218, 71, 65, 0.5);
    }
}

.point-icon {
    font-size: 3rem;
    margin: var(--spacing-sm) 0;
    color: var(--primary-color);
}

.point-card.point-02 .point-icon {
    color: var(--secondary-color);
}

.point-card.point-03 .point-icon {
    color: var(--accent-color);
}

.point-card.point-04 .point-icon {
    color: #3aa5a7;
}

.point-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.point-description {
    font-size: 1rem;
    color: var(--text-medium);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.point-features {
    list-style: none;
    padding: 0;
}

.point-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: var(--text-medium);
    font-size: 0.95rem;
}

.point-features i {
    color: var(--primary-color);
    font-size: 1rem;
}

.point-note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(218, 71, 65, 0.1);
    border-left: 3px solid var(--secondary-color);
    border-radius: 5px;
    font-size: 0.85rem;
    color: var(--text-medium);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    line-height: 1.5;
}

.point-note i {
    color: var(--secondary-color);
    font-size: 0.9rem;
    flex-shrink: 0;
}

/* ===========================
   Photo Gallery Section
   =========================== */
.gallery-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
    background: var(--bg-white);
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-medium);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-caption {
    padding: var(--spacing-md);
    background: var(--bg-white);
}

.gallery-caption h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.gallery-caption p {
    font-size: 0.95rem;
    color: var(--text-medium);
    line-height: 1.6;
}

/* ===========================
   Recommended Section
   =========================== */
.recommended-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.recommended-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    max-width: 100%;
}

@media (min-width: 1200px) {
    .recommended-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.recommended-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
}

.recommended-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.recommended-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.recommended-card p {
    font-size: 1.1rem;
    font-weight: 500;
    line-height: 1.6;
}

/* ===========================
   Schedule Section
   =========================== */
.schedule-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.schedule-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-medium);
    margin-bottom: var(--spacing-lg);
}

.schedule-days {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.schedule-day {
    background: var(--bg-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.day-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--bg-white);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.day-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 15px;
    min-width: 120px;
}

.day-number {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-secondary);
}

.date-text {
    font-size: 1rem;
    opacity: 0.95;
}

.day-theme {
    font-size: 1.75rem;
    font-weight: 700;
    flex: 1;
}

.day-sessions {
    padding: var(--spacing-md);
    display: grid;
    gap: var(--spacing-sm);
}

.session-card {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    transition: all var(--transition-fast);
}

.session-card:hover {
    background: #e8f5f5;
    border-left-color: var(--secondary-color);
    transform: translateX(5px);
}

.session-time {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
}

.session-content h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.session-content p {
    font-size: 0.95rem;
    color: var(--text-medium);
    line-height: 1.7;
}

.session-card.session-project {
    grid-template-columns: 140px 1fr;
    border-left-color: var(--secondary-color);
    background: linear-gradient(135deg, rgba(67, 185, 187, 0.1), rgba(218, 71, 65, 0.1));
    padding: var(--spacing-md) var(--spacing-lg);
}

.session-card.session-project .session-content > p {
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

.project-items {
    display: grid;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.project-item {
    background: var(--bg-white);
    padding: var(--spacing-sm);
    border-radius: 8px;
}

.project-item h5 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.project-item h5 i {
    font-size: 1rem;
}

.project-item p {
    font-size: 0.95rem;
}

.session-card.session-final {
    border-left-color: var(--secondary-color);
    background: linear-gradient(135deg, rgba(218, 71, 65, 0.1), rgba(67, 185, 187, 0.1));
}

/* ===========================
   Event Info Section
   =========================== */
.event-info-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.info-card {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 15px;
    text-align: center;
    transition: all var(--transition-medium);
    border: 2px solid transparent;
}

.info-card:hover {
    background: var(--bg-white);
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.info-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.info-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.info-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.info-detail {
    font-size: 0.95rem;
    color: var(--text-medium);
}

/* ===========================
   Video Section
   =========================== */
.video-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
}

.video-container {
    max-width: 900px;
    margin: 0 auto;
}

.video-placeholder {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    aspect-ratio: 16 / 9;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    box-shadow: var(--shadow-lg);
}

.video-placeholder i {
    font-size: 5rem;
    opacity: 0.7;
    margin-bottom: var(--spacing-sm);
}

.video-placeholder p {
    font-size: 1.2rem;
    font-weight: 500;
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    background: #000;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 20px;
}

/* ===========================
   Registration Section
   =========================== */
.registration-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--bg-white);
}

.registration-box {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.registration-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
}

.registration-deadline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.registration-description {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    opacity: 0.95;
}

.registration-button-container {
    margin-bottom: var(--spacing-md);
}

.registration-note {
    font-size: 0.9rem;
    opacity: 0.8;
    font-style: italic;
}

/* ===========================
   Contact Section
   =========================== */
.contact-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.contact-box {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.company-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-light);
    border-radius: 10px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    min-width: 30px;
    margin-top: 0.25rem;
}

.contact-item strong {
    color: var(--text-dark);
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--text-dark);
    color: var(--bg-white);
    padding: var(--spacing-lg) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-logo h3 {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.footer-logo p {
    opacity: 0.8;
}

.footer-info {
    text-align: right;
}

.footer-info p {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-bottom: 0.25rem;
}

/* ===========================
   Scroll to Top Button
   =========================== */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--bg-white);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-medium);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .title-main {
        font-size: 1.75rem;
    }
    
    .title-emphasis {
        font-size: 3rem;
    }
    
    .section-title-center {
        font-size: 2rem;
    }
    
    .session-card.session-project {
        grid-template-columns: 120px 1fr;
    }
    
    .project-item {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .hero {
        min-height: 90vh;
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .title-main {
        font-size: 1.5rem;
    }
    
    .title-emphasis {
        font-size: 2.5rem;
    }
    
    .hero-logo h2 {
        font-size: 2.2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
    
    .btn-large,
    .btn-xl {
        width: 100%;
        justify-content: center;
    }
    
    .video-section {
        padding: var(--spacing-lg) 0;
    }
    
    .video-wrapper {
        border-radius: 15px;
    }
    
    .hero-info {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .info-item {
        width: 100%;
        justify-content: center;
    }
    
    .points-grid,
    .recommended-grid,
    .info-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item img {
        height: 250px;
    }
    
    .session-card {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .session-card.session-project {
        grid-template-columns: 1fr;
    }
    
    .session-time {
        justify-content: flex-start;
        font-size: 1rem;
    }
    
    .project-items {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .project-item {
        padding: var(--spacing-md);
        border-left: 3px solid var(--primary-color);
    }
    
    .project-item:last-child {
        border-left-color: var(--secondary-color);
    }
    
    .project-item h5 {
        font-size: 1.15rem;
        margin-bottom: 0.75rem;
    }
    
    .project-item p {
        font-size: 0.95rem;
        line-height: 1.7;
    }
    
    .day-header {
        flex-direction: column;
        text-align: center;
    }
    
    .day-theme {
        font-size: 1.4rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-info {
        text-align: center;
    }
    
    .scroll-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .title-main {
        font-size: 1.2rem;
    }
    
    .title-emphasis {
        font-size: 2rem;
    }
    
    .hero-logo h2 {
        font-size: 1.8rem;
    }
    
    .section-title-center {
        font-size: 1.75rem;
    }
    
    .registration-title {
        font-size: 2rem;
    }
    
    .btn-xl {
        padding: 1.25rem 2rem;
        font-size: 1.1rem;
    }
    
    .point-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .new-badge {
        font-size: 0.7rem;
        padding: 0.3rem 0.7rem;
    }
    
    .point-note {
        font-size: 0.8rem;
        padding: 0.65rem;
    }
    
    .session-card.session-project {
        padding: var(--spacing-sm);
    }
    
    .project-items {
        gap: var(--spacing-sm);
    }
    
    .project-item {
        padding: var(--spacing-sm);
    }
    
    .project-item h5 {
        font-size: 1.05rem;
    }
    
    .project-item p {
        font-size: 0.9rem;
    }
    
    .session-content h4 {
        font-size: 1.05rem;
    }
    
    .day-theme {
        font-size: 1.2rem;
        line-height: 1.3;
    }
}