/* Japan Deeptech Connect - Main Stylesheet (Improved Contrast) */

:root {
    /* Background Colors */
    --cyber-black: #0a0e27;
    --cyber-dark: #0f1729;
    
    /* Accent Colors */
    --neon-pink: #ff006e;
    --neon-purple: #8338ec;
    --neon-cyan: #06ffa5;
    --neon-blue: #3a86ff;
    
    /* Text Colors - IMPROVED CONTRAST */
    --text-white: #ffffff;           /* より明るい白 */
    --text-light: #e8f0ff;           /* 明るいグレー */
    --text-medium: #b8c5e0;          /* 中間トーン - より明るく */
    --text-dim: #8a9ec9;             /* ダークトーン - より明るく改善 */
    
    /* Border Colors */
    --border-bright: rgba(106, 173, 255, 0.4);  /* より明るいボーダー */
    --border-medium: rgba(106, 173, 255, 0.25);
    --border-subtle: rgba(106, 173, 255, 0.15);
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    background: var(--cyber-black);
    color: var(--text-white);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
}

/* Animated grid background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        repeating-linear-gradient(
            0deg,
            rgba(58, 134, 255, 0.03) 0px,
            transparent 1px,
            transparent 40px,
            rgba(58, 134, 255, 0.03) 41px
        ),
        repeating-linear-gradient(
            90deg,
            rgba(131, 56, 236, 0.03) 0px,
            transparent 1px,
            transparent 40px,
            rgba(131, 56, 236, 0.03) 41px
        );
    animation: grid-scroll 20s linear infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes grid-scroll {
    0% { transform: translate(0, 0); }
    100% { transform: translate(40px, 40px); }
}

/* Glitch effect overlay */
.glitch-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0) 0px,
        rgba(0, 0, 0, 0.03) 1px,
        rgba(0, 0, 0, 0) 2px
    );
    pointer-events: none;
    z-index: 9998;
    opacity: 0.7;
}

/* ==================== HEADER ==================== */

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    padding: 1.2rem 10rem;  /* 左右マージンを広く: 6rem → 10rem */
    z-index: 1000;
    border-bottom: 1px solid var(--border-bright);
    box-shadow: 0 0 40px rgba(58, 134, 255, 0.2);
}

.header-content {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 10;
}

.logo-img {
    height: 55px;
    width: auto;
    max-width: 400px;
    object-fit: contain;
    /* 黒背景で見やすくするための設定 */
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    filter: none; /* ピンクのドロップシャドウを削除 */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

nav {
    display: flex;
    gap: 3rem;
    align-items: center;  /* ロゴと垂直中央揃え */
}

nav a {
    color: var(--text-medium);  /* より明るく */
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;  /* 0.85rem → 0.95rem (1pt大きく) */
    text-transform: uppercase;
    letter-spacing: 0.15em;
    transition: all 0.3s;
    position: relative;
    font-family: 'Rajdhani', sans-serif;
}

/* CTA button style for 会員ページ */
nav a.nav-cta {
    background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
    padding: 0.6rem 1.5rem;
    border-radius: 6px;
    color: white;
    box-shadow: 0 0 20px rgba(255, 0, 110, 0.4);
    transition: all 0.3s;
}

nav a.nav-cta:hover {
    box-shadow: 0 0 30px rgba(255, 0, 110, 0.6);
    transform: translateY(-2px);
}

nav a.nav-cta::before {
    display: none; /* Hide arrow for CTA button */
}

nav a:not(.nav-cta)::before {
    content: '>';
    position: absolute;
    left: -15px;
    opacity: 0;
    transition: all 0.3s;
    color: var(--neon-cyan);
}

nav a:hover,
nav a.active {
    color: var(--neon-cyan);
    text-shadow: 0 0 20px var(--neon-cyan);
}

nav a:hover::before {
    opacity: 1;
    left: -20px;
}

/* ==================== HERO SECTION ==================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--cyber-black);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    padding-left: 20px;   /* 左右20px固定 */
    padding-right: 20px;  /* 左右20px固定 */
}

.hero > * {
    width: 90%;  /* コンテンツを90%幅に */
    max-width: 90%;
    margin: 0 auto;
}

/* Network nodes background */
.network-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.2;  /* 少し明るく */
    z-index: 1;
}

.network-bg svg {
    width: 100%;
    height: 100%;
}

/* Animated gradient orbs */
.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -5%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 0, 110, 0.25) 0%, transparent 70%);
    filter: blur(100px);
    animation: float-glow 20s infinite ease-in-out;
    z-index: 2;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -5%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(6, 255, 165, 0.2) 0%, transparent 70%);
    filter: blur(100px);
    animation: float-glow 20s infinite ease-in-out reverse;
    z-index: 2;
}

@keyframes float-glow {
    0%, 100% { 
        transform: translate(0, 0) scale(1);
        opacity: 0.4;
    }
    50% { 
        transform: translate(50px, -50px) scale(1.2);
        opacity: 0.6;
    }
}

.hero-content {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 6rem;
    position: relative;
    z-index: 10;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 0, 110, 0.15);  /* より目立つ背景 */
    border: 1px solid var(--neon-pink);
    padding: 0.8rem 2rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--neon-pink);
    margin-bottom: 3rem;
    font-family: 'Rajdhani', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    box-shadow: 0 0 30px rgba(255, 0, 110, 0.4);
    position: relative;
    overflow: hidden;
}

.hero-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { left: -100%; }
    100% { left: 200%; }
}

.hero-badge::after {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--neon-cyan);
    box-shadow: 0 0 15px var(--neon-cyan);
    animation: blink-dot 2s infinite;
}

@keyframes blink-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.2; }
}

.hero h1 {
    font-size: 6rem;
    font-weight: 900;
    line-height: 0.95;
    margin-bottom: 2.5rem;
    letter-spacing: -0.04em;
    font-family: 'Rajdhani', sans-serif;
    text-transform: uppercase;
}

.hero h1 .main-text {
    display: block;
    color: var(--text-white);  /* 完全な白 */
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
}

.hero h1 .highlight {
    display: block;
    background: linear-gradient(90deg, var(--neon-pink) 0%, var(--neon-purple) 50%, var(--neon-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 40px rgba(255, 0, 110, 0.5));
    animation: gradient-shift 5s infinite;
    background-size: 200% 200%;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--text-light);  /* より明るく改善 */
    font-weight: 300;
    margin-bottom: 3.5rem;
    max-width: 650px;
    line-height: 1.9;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    /*justify-content: center;*/
	justify-content: left;
	padding-left: 2rem;
    flex-wrap: wrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--neon-pink) 0%, var(--neon-purple) 100%);
    color: white;
    padding: 1.4rem 3.5rem;
    border: none;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    transition: all 0.3s;
    font-family: 'Rajdhani', sans-serif;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 40px rgba(255, 0, 110, 0.5), 0 10px 30px rgba(0, 0, 0, 0.3);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 0 60px rgba(255, 0, 110, 0.8), 0 15px 40px rgba(0, 0, 0, 0.4);
}

/* 入会ボタン専用スタイル */
.btn-join {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0rem;
    padding: 8px;
	min-width: 180px;
	height: 60px;
}

.btn-join-type {
    font-size: 0.8rem;
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0.02em;
    opacity: 0.9;
	display: block;
	width: 100%;
	margin-bottom: -0.5rem;
}

.btn-join-action {
    font-size: 1.4rem;
    font-weight: 900;
    letter-spacing: 0.25em;
    white-space: nowrap;  /* ← これを追加 */
	margin-top:0;
}

/* CTAボタンのラッパー */
.cta-button-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
	width: 200px;
}

.btn-price {
    font-size: 0.8rem;
    color: var(--neon-cyan);
    font-weight: 400;
    letter-spacing: 0.05em;
    text-shadow: 0 0 10px var(--neon-cyan);
}

.btn-secondary {
    color: var(--neon-cyan);
    padding: 1.4rem 3.5rem;
    border: 2px solid var(--neon-cyan);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    transition: all 0.3s;
    font-family: 'Rajdhani', sans-serif;
    background: rgba(6, 255, 165, 0.05);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(6, 255, 165, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
}

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

.btn-secondary:hover {
    box-shadow: 0 0 30px rgba(6, 255, 165, 0.5);
    text-shadow: 0 0 10px var(--neon-cyan);
}

/* ==================== STATS SECTION ==================== */

.stats {
    background: var(--cyber-dark);
    padding: 5rem 6rem;
    border-top: 1px solid var(--border-bright);
    border-bottom: 1px solid var(--border-bright);
    position: relative;
    z-index: 10;
}

.stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-pink), var(--neon-purple), var(--neon-cyan), transparent);
    box-shadow: 0 0 20px var(--neon-pink);
}

.stats-grid {
    max-width: 1600px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.stat-item {
    text-align: center;
    position: relative;
    padding: 2.5rem;
    background: rgba(58, 134, 255, 0.05);
    border: 1px solid var(--border-medium);
    transition: all 0.3s;
}

.stat-item::before,
.stat-item::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    border: 2px solid;
    transition: all 0.3s;
}

.stat-item::before {
    top: -1px;
    left: -1px;
    border-color: var(--neon-pink) transparent transparent var(--neon-pink);
    box-shadow: 0 0 10px var(--neon-pink);
}

.stat-item::after {
    bottom: -1px;
    right: -1px;
    border-color: transparent var(--neon-cyan) var(--neon-cyan) transparent;
    box-shadow: 0 0 10px var(--neon-cyan);
}

.stat-item:hover {
    background: rgba(58, 134, 255, 0.08);
    border-color: var(--neon-pink);
    box-shadow: 0 0 40px rgba(255, 0, 110, 0.2);
}

.stat-number {
    font-size: 4.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--neon-pink) 0%, var(--neon-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 1rem;
    font-family: 'Rajdhani', sans-serif;
    filter: drop-shadow(0 0 20px rgba(255, 0, 110, 0.3));
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);  /* より明るく改善 */
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ==================== SECTION STYLES ==================== */

section {
    padding: 8rem 10rem;  /* 左右マージンを広く: 6rem → 10rem */
    position: relative;
    z-index: 10;
}

.section-header {
    margin-bottom: 5rem;
}

.section-label {
    color: var(--neon-cyan);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    margin-bottom: 1.5rem;
    font-family: 'Rajdhani', sans-serif;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.section-label::before,
.section-label::after {
    content: '';
    height: 1px;
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-cyan));
    box-shadow: 0 0 10px var(--neon-pink);
}

.section-label::before {
    width: 60px;
}

.section-label::after {
    flex: 1;
    max-width: 200px;
}

.section-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
    font-family: 'Rajdhani', sans-serif;
    text-transform: uppercase;
    color: var(--text-white);  /* 完全な白 */
}

.section-description {
    font-size: 1.15rem;
    color: var(--text-light);  /* より明るく改善 */
    line-height: 1.9;
    max-width: 800px;
}

/* ==================== ABOUT SECTION ==================== */

.about {
    background: var(--cyber-black);
    border-top: 1px solid var(--border-medium);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.feature-card {
    background: rgba(131, 56, 236, 0.05);
    padding: 3rem;
    border: 1px solid var(--border-medium);
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--neon-pink), var(--neon-purple), var(--neon-cyan), var(--neon-blue));
    background-size: 400% 400%;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.4s;
    animation: gradient-rotate 10s ease infinite;
}

@keyframes gradient-rotate {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--cyber-black);
    z-index: -1;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neon-cyan);
    position: relative;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
    filter: drop-shadow(0 0 10px var(--neon-cyan));
    transition: all 0.3s;
}

.feature-card:hover .feature-icon svg {
    filter: drop-shadow(0 0 20px var(--neon-cyan));
    transform: scale(1.1);
}

.feature-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    font-family: 'Rajdhani', sans-serif;
    text-transform: uppercase;
    color: var(--text-white);  /* 明るく */
}

.feature-description {
    color: var(--text-light);  /* より明るく改善 */
    line-height: 1.8;
}

/* ==================== ACHIEVEMENTS ==================== */

.achievements {
    background: var(--cyber-dark);
    border-top: 1px solid var(--border-bright);
    border-bottom: 1px solid var(--border-bright);
}

/* ==================== ACHIEVEMENTS ==================== */

.achievement-list {
    display: grid;
    gap: 2rem;
    margin-top: 3rem;
}

/* ==================== PARTNER ORGANIZATIONS ==================== */

.partners {
    background: var(--cyber-dark);
    border-top: 1px solid var(--border-medium);
    border-bottom: 1px solid var(--border-medium);
}

.partners-content {
    max-width: 1400px;
    margin: 0 auto;
}

.partners-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    flex-wrap: wrap;
    margin-top: 4rem;
}

.partner-logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 3.5rem;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    transition: all 0.3s;
    position: relative;
    min-height: 140px;
    width: 280px;  /* min-width → width で固定幅に */
    flex-shrink: 0;  /* 縮小を防止 */
}

.partner-logo-item::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    border-radius: 12px;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: -1;
}

.partner-logo-item:hover {
    background: rgba(255, 255, 255, 1);  /* ホバー時は完全な白 */
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(6, 255, 165, 0.3);
}

.partner-logo-item:hover::before {
    opacity: 0.2;
}

.partner-logo {
    max-width: 220px;  /* 180px → 220px */
    max-height: 100px; /* 80px → 100px */
    width: auto;
    height: auto;
    object-fit: contain;
    opacity: 1;
    transition: all 0.3s;
}

.partner-logo-item:hover .partner-logo {
    opacity: 1;
    filter: drop-shadow(0 0 15px rgba(6, 255, 165, 0.3));
}

/* ==================== SINGAPORE ==================== */

.achievement-item {
    display: grid;
    grid-template-columns: 100px 1fr auto;
    gap: 3rem;
    padding: 2.5rem;
    background: rgba(255, 0, 110, 0.05);
    align-items: center;
    border: 1px solid var(--border-medium);
    transition: all 0.3s;
    position: relative;
}

.achievement-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--neon-pink), var(--neon-purple));
    opacity: 0;
    transition: opacity 0.3s;
    box-shadow: 0 0 20px var(--neon-pink);
}

.achievement-item:hover {
    border-color: var(--neon-pink);
    transform: translateX(20px);
    box-shadow: 0 10px 50px rgba(255, 0, 110, 0.2);
}

.achievement-item:hover::before {
    opacity: 1;
}

.achievement-year {
    font-size: 2rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--neon-pink) 0%, var(--neon-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Rajdhani', sans-serif;
}

.achievement-info h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-family: 'Rajdhani', sans-serif;
    color: var(--text-white);  /* 明るく */
}

.achievement-info p {
    color: var(--text-light);  /* より明るく改善 */
}

.achievement-prize {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--neon-pink);
    font-family: 'Rajdhani', sans-serif;
    text-shadow: 0 0 20px var(--neon-pink);
}

/* ==================== SINGAPORE SECTION ==================== */

.singapore {
    background: var(--cyber-black);
    border-top: 1px solid var(--border-medium);
}

.singapore-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 3rem;
}

.singapore-card {
    background: rgba(131, 56, 236, 0.05);
    padding: 3rem;
    border: 1px solid var(--border-medium);
    transition: all 0.3s;
}

.singapore-card:hover {
    border-color: var(--neon-purple);
    box-shadow: 0 0 40px rgba(131, 56, 236, 0.3);
}

.singapore-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--neon-cyan);
    font-family: 'Rajdhani', sans-serif;
    text-transform: uppercase;
}

.singapore-card ul {
    list-style: none;
}

.singapore-card li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-light);  /* より明るく改善 */
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.singapore-card li:last-child {
    border-bottom: none;
}

.singapore-card li::before {
    content: '▶';
    color: var(--neon-pink);
    font-size: 0.8rem;
    text-shadow: 0 0 10px var(--neon-pink);
}

.companies-box {
    margin-top: 3rem;
    padding: 3rem;
    background: rgba(58, 134, 255, 0.05);
    border: 1px solid var(--border-medium);
}

.companies-box h3 {
    color: var(--neon-pink);
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    font-family: 'Rajdhani', sans-serif;
    text-transform: uppercase;
}

.companies-box p {
    color: var(--text-light);  /* より明るく改善 */
    line-height: 2.2;
}

/* ==================== SCHEDULE SECTION ==================== */

.schedule {
    background: var(--cyber-dark);
    border-top: 1px solid var(--border-bright);
    border-bottom: 1px solid var(--border-bright);
}

.schedule-content {
    max-width: 1600px;
    margin: 0 auto;
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.event-card {
    background: rgba(10, 14, 39, 0.5);
    border: 1px solid var(--border-medium);
    border-radius: 12px;
    padding: 3rem;
    transition: all 0.3s;
    position: relative;
}

.event-card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
    border-radius: 12px;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: -1;
}

.event-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(255, 0, 110, 0.2);
}

.event-card:hover::before {
    opacity: 0.15;
}

.event-month {
    font-size: 3rem;
    font-weight: 900;
    color: var(--neon-pink);
    font-family: 'Rajdhani', sans-serif;
    margin-bottom: 2rem;
    text-shadow: 0 0 20px var(--neon-pink);
}

.event-details {
    /* コンテンツエリア */
}

.event-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--neon-cyan);
    font-family: 'Rajdhani', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 2rem;
}

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

.event-list li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-light);
    font-size: 0.95rem;
}

.event-list li::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--neon-pink);
    text-shadow: 0 0 10px var(--neon-pink);
}

/* ==================== MEMBERSHIP SECTION ==================== */

.membership {
    background: var(--cyber-black);
    border-top: 1px solid var(--border-medium);
}

.membership-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.membership-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 4rem;
    flex-wrap: wrap;
}

.btn-large {
    font-size: 1.2rem;
    padding: 1.5rem 4rem;
    min-width: 250px;
}

/* Primary button - 入会する */
.btn-primary {
    background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
    color: white;
    text-decoration: none;
    font-weight: 700;
    border-radius: 8px;
    transition: all 0.3s;
    box-shadow: 0 0 30px rgba(255, 0, 110, 0.4);
    border: 2px solid transparent;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-family: 'Rajdhani', sans-serif;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 50px rgba(255, 0, 110, 0.6);
}

/* Secondary button - 会員サイトへ */
.btn-secondary {
    background: transparent;
    color: var(--neon-cyan);
    text-decoration: none;
    font-weight: 700;
    border-radius: 8px;
    transition: all 0.3s;
    box-shadow: 0 0 30px rgba(6, 255, 165, 0.3);
    border: 2px solid var(--neon-cyan);
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-family: 'Rajdhani', sans-serif;
}

.btn-secondary:hover {
    background: rgba(6, 255, 165, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 0 50px rgba(6, 255, 165, 0.5);
}

/* ==================== CTA SECTION ==================== */

.cta {
    background: var(--cyber-dark);
    text-align: center;
    border-top: 1px solid var(--border-bright);
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 2rem;
    line-height: 1.2;
    font-family: 'Rajdhani', sans-serif;
    text-transform: uppercase;
    color: var(--text-white);  /* 明るく */
}

.cta p {
    font-size: 1.3rem;
    color: var(--text-light);  /* より明るく改善 */
    margin-bottom: 3.5rem;
    line-height: 1.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 2rem;
    flex-wrap: wrap;
}

/* ==================== FOOTER ==================== */

footer {
    background: var(--cyber-black);
    color: var(--text-medium);  /* より明るく */
    padding: 3rem 10rem;  /* 左右マージンを広く: 6rem → 10rem */
    text-align: center;
    border-top: 1px solid var(--border-medium);
}

footer p {
    font-size: 0.9rem;
}

/* ==================== RESPONSIVE ==================== */

@media (max-width: 1024px) {
    .hero h1 { font-size: 4rem; }
    .singapore-grid, .benefits-grid { grid-template-columns: 1fr; }
    .achievement-item { grid-template-columns: auto 1fr; }
    .achievement-prize { grid-column: 2; justify-self: start; margin-top: 0.5rem; }
    header, section, footer { padding-left: 5rem; padding-right: 5rem; }
    .partners-grid { gap: 3rem; }
    .events-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    /* Heroは20pxのまま維持 */
}

@media (max-width: 768px) {
    header, section, footer { padding-left: 2rem; padding-right: 2rem; }
    .hero { padding-left: 2rem; padding-right: 2rem; }
    .hero > * { width: 100%; max-width: 100%; }
    .hero h1 { font-size: 3rem; }
    .section-title { font-size: 2.5rem; }
    .features-grid { grid-template-columns: 1fr; }
    nav { display: none; }
    
    .hero-cta,
    .cta-buttons {
        flex-direction: column;
        width: 100%;
        align-items: center;
    }
    
    .cta-button-wrapper {
        width: 100%;
        max-width: 300px;
    }
    
    .btn-join {
        width: 100%;
        padding: 1rem 2rem;
    }
    
    .btn-join-type {
        font-size: 0.7rem;
    }
    
    .btn-join-action {
        font-size: 1.3rem;
    }
    
    .btn-secondary {
        width: 100%;
        padding: 1.2rem 2rem;
    }
    
    .btn-price {
        font-size: 0.85rem;
    }
    
    .cta h2 {
        font-size: 2.5rem;
    }
    
    .cta p {
        font-size: 1.1rem;
    }
    
    .partners-grid { 
        gap: 2rem;
        flex-direction: column;
    }
    .partner-logo-item {
        min-width: 180px;
        padding: 2rem 2.5rem;
    }
    .partner-logo {
        max-width: 180px;
        max-height: 80px;
    }
    
    .events-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .event-card {
        padding: 2rem;
    }
    
    .event-month {
        font-size: 2.5rem;
        margin-bottom: 1.5rem;
    }
    
    .event-title {
        font-size: 1.3rem;
        margin-bottom: 1.5rem;
    }
    
    .membership-buttons {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .btn-large {
        width: 100%;
        min-width: auto;
    }
}

/* ==================== UTILITY CLASSES ==================== */

.hidden {
    display: none !important;
}
