/* ===== リセット & 基本設定 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #1a4d8f;
    --deep-navy: #0a1929;
    --cosmic-blue: #1e3a5f;
    --accent-gold: #d4af37;
    --light-gold: #f4e4b0;
    --text-white: #ffffff;
    --text-light: #e0e0e0;
    --text-gray: #b0b0b0;
    --font-main: 'Noto Sans JP', 'Yu Gothic', 'Hiragino Sans', sans-serif;
    --font-en: 'Montserrat', 'Arial', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-white);
    background: var(--deep-navy);
    overflow-x: hidden;
    line-height: 1.8;
}

/* ===== 星空背景キャンバス ===== */
#stars-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
}

/* ===== ナビゲーション ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 25, 41, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 25, 41, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 2rem;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-logo {
    width: 45px;
    height: 45px;
    object-fit: contain;
}

.nav-title {
    font-family: var(--font-en);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-white);
    letter-spacing: 0.05em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: width 0.3s ease;
}

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

.nav-menu a:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-white);
    transition: all 0.3s ease;
}

/* ===== ヒーローセクション ===== */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: fadeInUp 1.5s ease-out;
}

.hero-logo {
    margin-bottom: 2rem;
    animation: float 6s ease-in-out infinite;
}

.main-logo {
    width: 280px;
    height: 280px;
    object-fit: contain;
    filter: drop-shadow(0 0 40px rgba(212, 175, 55, 0.6));
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: 0.1em;
}

.title-line {
    display: block;
    background: linear-gradient(90deg, var(--accent-gold), var(--text-white), var(--accent-gold));
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s ease-in-out infinite;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.hero-org-name {
    font-size: 2rem;
    color: var(--light-gold);
    font-weight: 300;
    letter-spacing: 0.2em;
    margin-bottom: 3rem;
}

.hero-cta {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--accent-gold), #c4952e);
    color: var(--deep-navy);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.4);
    animation: pulse-glow 2s ease-in-out infinite;
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(212, 175, 55, 0.6);
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-gray);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent-gold), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

/* ===== 共通セクションスタイル ===== */
.section {
    position: relative;
    padding: 8rem 2rem;
    z-index: 1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.title-underline {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    margin: 0 auto;
}

/* ===== About セクション ===== */
.about-section {
    background: linear-gradient(180deg, transparent, rgba(26, 77, 143, 0.1), transparent);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.lead-text {
    font-size: 1.3rem;
    line-height: 2;
    margin-bottom: 2rem;
    color: var(--light-gold);
    text-align: center;
}

.body-text {
    font-size: 1.05rem;
    line-height: 2;
    margin-bottom: 1.5rem;
    color: var(--text-light);
    text-align: center;
}

.about-highlight {
    margin-top: 3rem;
    padding: 2rem 2.5rem;
    background: rgba(212, 175, 55, 0.08);
    border-left: 4px solid var(--accent-gold);
    border-radius: 0 12px 12px 0;
}

.about-highlight p {
    font-size: 1.15rem;
    color: var(--light-gold);
    line-height: 2;
    text-align: center;
    font-weight: 500;
}

/* ===== Mission セクション ===== */
.mission-section {
    position: relative;
    overflow: hidden;
}

.parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(26, 77, 143, 0.3), transparent);
    z-index: 0;
}

.mission-content {
    position: relative;
    z-index: 1;
}

.mission-card {
    max-width: 800px;
    margin: 0 auto 4rem;
    padding: 4rem;
    background: rgba(30, 58, 95, 0.3);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 20px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.mission-icon {
    margin-bottom: 2rem;
}

.geometric-pattern {
    width: 100px;
    height: 100px;
    margin: 0 auto;
    background: linear-gradient(45deg, var(--primary-blue), var(--accent-gold));
    clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
    animation: rotate 10s linear infinite;
}

.mission-card h3 {
    font-size: 2rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--light-gold);
}

.mission-card p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 2;
}

.mission-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pillar {
    padding: 2.5rem 2rem;
    background: rgba(30, 58, 95, 0.2);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
}

.pillar:hover {
    transform: translateY(-5px);
    border-color: var(--accent-gold);
    box-shadow: 0 8px 30px rgba(212, 175, 55, 0.15);
}

.pillar-icon {
    margin-bottom: 1.5rem;
    color: var(--accent-gold);
}

.pillar h4 {
    font-size: 1.1rem;
    color: var(--light-gold);
    line-height: 1.8;
}

/* ===== Activities セクション ===== */
.activities-section {
    background: linear-gradient(180deg, transparent, rgba(10, 25, 41, 0.5), transparent);
}

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

.activity-card {
    padding: 2.5rem;
    background: rgba(30, 58, 95, 0.2);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 15px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.activity-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.activity-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-gold);
    box-shadow: 0 10px 40px rgba(212, 175, 55, 0.2);
}

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

.card-number {
    font-size: 3rem;
    font-weight: 700;
    color: rgba(212, 175, 55, 0.3);
    font-family: var(--font-en);
    margin-bottom: 1rem;
}

.activity-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--light-gold);
    position: relative;
    z-index: 1;
}

.activity-card p {
    color: var(--text-light);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

/* ===== Resources セクション ===== */
.resources-section {
    background: linear-gradient(180deg, rgba(26, 77, 143, 0.05), rgba(30, 58, 95, 0.15), rgba(26, 77, 143, 0.05));
}

.resources-intro {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-top: -2rem;
    margin-bottom: 3rem;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.resource-card {
    padding: 2rem;
    background: rgba(30, 58, 95, 0.25);
    border: 1px solid rgba(212, 175, 55, 0.15);
    border-radius: 16px;
    transition: all 0.3s ease;
    position: relative;
}

.resource-card:hover {
    transform: translateY(-5px);
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.resource-icon {
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

.resource-label {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(212, 175, 55, 0.15);
    color: var(--accent-gold);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 0.75rem;
}

.resource-card h3 {
    font-size: 1.15rem;
    color: var(--light-gold);
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.resource-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.resource-date {
    color: var(--text-gray);
    font-size: 0.85rem;
}

/* ===== Coming Soon（定期プログラム予告） ===== */
.resources-coming-soon {
    margin-top: 4rem;
    padding: 3rem;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.05), rgba(30, 58, 95, 0.3));
    border: 1px solid rgba(212, 175, 55, 0.25);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.resources-coming-soon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
}

.coming-soon-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.coming-soon-badge {
    display: inline-block;
    padding: 0.3rem 1.2rem;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid rgba(212, 175, 55, 0.5);
    border-radius: 50px;
    color: var(--accent-gold);
    font-size: 0.8rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.coming-soon-title {
    font-size: 1.5rem;
    color: var(--light-gold);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.coming-soon-subtitle {
    color: var(--text-light);
    font-size: 1rem;
    opacity: 0.8;
}

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

.coming-soon-card {
    padding: 2rem;
    background: rgba(15, 30, 60, 0.5);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    transition: all 0.3s ease;
    position: relative;
}

.coming-soon-card:hover {
    transform: translateY(-4px);
    border-color: rgba(212, 175, 55, 0.45);
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.35);
}

.cs-card-icon {
    color: var(--accent-gold);
    opacity: 0.7;
    margin-bottom: 1rem;
}

.cs-card-tag {
    display: inline-block;
    padding: 0.2rem 0.8rem;
    background: rgba(212, 175, 55, 0.12);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 4px;
    color: var(--accent-gold);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.cs-card-title {
    font-size: 1.2rem;
    color: var(--light-gold);
    margin-bottom: 0.75rem;
    line-height: 1.6;
    font-weight: 600;
}

.cs-card-desc {
    color: var(--text-light);
    font-size: 0.92rem;
    line-height: 1.85;
    margin-bottom: 1.25rem;
}

.cs-card-lecturer {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.9rem 1rem;
    background: rgba(212, 175, 55, 0.06);
    border-left: 2px solid rgba(212, 175, 55, 0.4);
    border-radius: 0 8px 8px 0;
    margin-bottom: 1rem;
}

.cs-lecturer-label {
    font-size: 0.75rem;
    color: var(--text-gray);
    letter-spacing: 0.05em;
}

.cs-lecturer-name {
    font-size: 1rem;
    color: var(--light-gold);
    font-weight: 500;
}

.cs-lecturer-role {
    font-size: 0.8rem;
    color: var(--text-light);
    opacity: 0.75;
}

.cs-card-start {
    font-size: 0.85rem;
    color: var(--accent-gold);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    opacity: 0.85;
}

/* ===== 定期プログラム詳細 ===== */
.cs-card-section {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(212, 175, 55, 0.12);
}

.cs-section-label {
    font-size: 0.78rem;
    color: var(--accent-gold);
    font-weight: 600;
    letter-spacing: 0.08em;
    margin-bottom: 0.6rem;
    text-transform: none;
}

.cs-theme-list {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: theme-counter;
}

.cs-theme-list li {
    counter-increment: theme-counter;
    color: var(--text-light);
    font-size: 0.88rem;
    line-height: 1.7;
    padding: 0.2rem 0 0.2rem 2rem;
    position: relative;
}

.cs-theme-list li::before {
    content: counter(theme-counter) ".";
    position: absolute;
    left: 0;
    color: var(--accent-gold);
    font-size: 0.82rem;
    font-weight: 600;
    opacity: 0.7;
    width: 1.6rem;
    text-align: right;
}

.cs-theme-list-unordered {
    counter-reset: none;
}

.cs-theme-list-unordered li {
    counter-increment: none;
    padding-left: 1.2rem;
}

.cs-theme-list-unordered li::before {
    content: "・";
    position: absolute;
    left: 0;
    width: auto;
    text-align: left;
}

.cs-schedule-note {
    color: var(--text-light);
    font-size: 0.88rem;
    margin-bottom: 0.75rem;
    opacity: 0.85;
}

.cs-schedule-dates {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.cs-schedule-year {
    font-size: 0.82rem;
    color: var(--light-gold);
    font-weight: 600;
    margin-top: 0.3rem;
}

.cs-date-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.3rem;
}

.cs-date {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: rgba(212, 175, 55, 0.08);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 6px;
    color: var(--text-light);
    font-size: 0.82rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
}

.cs-venue {
    color: var(--text-light);
    font-size: 0.88rem;
    line-height: 1.75;
}

.cs-venue small {
    color: var(--text-gray);
    font-size: 0.82rem;
}

.cs-ticket-links {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.cs-ticket-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.2rem;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(212, 175, 55, 0.08));
    border: 1px solid rgba(212, 175, 55, 0.4);
    border-radius: 10px;
    color: var(--light-gold);
    text-decoration: none;
    transition: all 0.3s ease;
}

.cs-ticket-btn:hover {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.25), rgba(212, 175, 55, 0.15));
    border-color: rgba(212, 175, 55, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.15);
}

.cs-ticket-btn-single {
    background: rgba(15, 30, 60, 0.5);
    border-color: rgba(212, 175, 55, 0.25);
}

.cs-ticket-btn-single:hover {
    background: rgba(212, 175, 55, 0.1);
}

.cs-ticket-name {
    font-size: 0.9rem;
    font-weight: 500;
}

.cs-ticket-price {
    font-size: 0.92rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    color: var(--accent-gold);
}

/* ===== Representative セクション ===== */
.representative-section {
    background: linear-gradient(180deg, rgba(26, 77, 143, 0.1), transparent);
}

.representative-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: start;
}

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

.rep-photo {
    width: 100%;
    max-width: 350px;
    border-radius: 20px;
    border: 3px solid var(--accent-gold);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.representative-text h3 {
    font-size: 1rem;
    color: var(--text-gray);
    margin-bottom: 0.5rem;
    letter-spacing: 0.2em;
}

.representative-text h2 {
    font-size: 2.5rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

.rep-title {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.rep-message {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 2;
    margin-bottom: 1.5rem;
}

.rep-profile {
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(30, 58, 95, 0.2);
    border-radius: 12px;
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.rep-profile p {
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.8;
}

.rep-article {
    margin-top: 2rem;
}

.rep-article-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 1.5rem;
    background: rgba(30, 58, 95, 0.3);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-white);
    transition: all 0.3s ease;
}

.rep-article-link:hover {
    background: rgba(30, 58, 95, 0.5);
    border-color: var(--accent-gold);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.15);
}

.rep-article-icon {
    flex-shrink: 0;
    color: var(--accent-gold);
}

.rep-article-text {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    flex: 1;
}

.rep-article-label {
    font-size: 0.75rem;
    color: var(--accent-gold);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.rep-article-title {
    font-size: 0.95rem;
    font-weight: 500;
}

.rep-article-meta {
    font-size: 0.8rem;
    color: var(--text-gray);
}

.rep-article-arrow {
    flex-shrink: 0;
    color: var(--text-gray);
    transition: color 0.3s ease, transform 0.3s ease;
}

.rep-article-link:hover .rep-article-arrow {
    color: var(--accent-gold);
    transform: translate(3px, -3px);
}

/* ===== Events セクション ===== */
.events-section {
    background: linear-gradient(180deg, transparent, rgba(30, 58, 95, 0.2));
}

.event-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: rgba(30, 58, 95, 0.3);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 20px;
    overflow: hidden;
    padding: 2rem;
}

.event-image {
    position: relative;
}

.event-img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.event-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
}

.event-details {
    padding: 1rem;
}

.event-title {
    font-size: 1.8rem;
    color: var(--light-gold);
    margin-bottom: 0.75rem;
}

.event-tagline {
    font-size: 1.15rem;
    color: var(--accent-gold);
    margin-bottom: 2rem;
}

.event-meta {
    margin-bottom: 2rem;
}

.meta-item {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 1rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(212, 175, 55, 0.15);
}

.meta-label {
    color: var(--accent-gold);
    font-weight: 700;
    font-size: 0.95rem;
}

.meta-value {
    color: var(--text-light);
    line-height: 1.6;
}

.meta-value small {
    color: var(--text-gray);
}

.event-program {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(10, 25, 41, 0.4);
    border-radius: 12px;
}

.event-program h4 {
    color: var(--accent-gold);
    font-size: 1rem;
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.program-item {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.program-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.program-time {
    color: var(--accent-gold);
    font-family: var(--font-en);
    font-weight: 600;
    font-size: 0.95rem;
}

.program-desc {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

.program-part {
    color: var(--light-gold);
    font-weight: 700;
}

.program-desc small {
    color: var(--text-gray);
}

.event-speakers {
    margin-bottom: 2rem;
}

.event-speakers h4 {
    color: var(--accent-gold);
    font-size: 1rem;
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.speaker {
    margin-bottom: 1rem;
    padding: 1rem;
    background: rgba(30, 58, 95, 0.3);
    border-radius: 10px;
}

.speaker-name {
    color: var(--light-gold);
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 0.3rem;
}

.speaker-role {
    color: var(--text-gray);
    font-size: 0.85rem;
    line-height: 1.6;
}

.event-description {
    color: var(--text-light);
    line-height: 2;
    font-size: 1.05rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.event-description strong {
    color: var(--light-gold);
    font-size: 1.15rem;
}

/* ===== チケット購入 ===== */
.event-tickets {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: rgba(212, 175, 55, 0.08);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
}

.event-tickets h4 {
    color: var(--accent-gold);
    font-size: 1rem;
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.ticket-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.ticket-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.9rem 1.25rem;
    background: linear-gradient(135deg, var(--accent-gold), #c4952e);
    color: var(--deep-navy);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 3px 12px rgba(212, 175, 55, 0.3);
}

.ticket-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.5);
    filter: brightness(1.05);
}

.ticket-btn-party {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.3), rgba(196, 149, 46, 0.3));
    color: var(--light-gold);
    border: 1px solid rgba(212, 175, 55, 0.5);
}

.ticket-btn-party:hover {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.5), rgba(196, 149, 46, 0.5));
}

.ticket-type {
    font-size: 1rem;
}

.ticket-price {
    font-size: 0.95rem;
    opacity: 0.85;
}

.ticket-note {
    color: var(--text-gray);
    font-size: 0.85rem;
    margin: 0;
}

/* ===== Contact セクション ===== */
.contact-section {
    background: linear-gradient(180deg, rgba(26, 77, 143, 0.1), var(--deep-navy));
}

.contact-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--light-gold);
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-label {
    color: var(--text-gray);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
}

.contact-value {
    color: var(--accent-gold);
    font-size: 1.2rem;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-value:hover {
    color: var(--light-gold);
}

.contact-logo {
    text-align: right;
}

.footer-logo {
    width: 120px;
    object-fit: contain;
    opacity: 0.7;
}

/* ===== Footer ===== */
.footer {
    background: var(--deep-navy);
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    padding: 2rem;
    text-align: center;
}

.footer p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* ===== アニメーション ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes scrollLine {
    0% {
        opacity: 0;
        transform: translateY(-10px);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateY(10px);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(212, 175, 55, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(212, 175, 55, 0.7);
    }
}

/* スクロールアニメーション用 */
.section.animate-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.section.animate-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== レスポンシブ ===== */
@media (max-width: 1024px) {
    .nav-menu {
        gap: 1.2rem;
    }

    .nav-menu a {
        font-size: 0.85rem;
    }

    .hero-title {
        font-size: 3rem;
    }

    .representative-content,
    .event-featured {
        grid-template-columns: 1fr;
    }

    .mission-pillars {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(10, 25, 41, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        z-index: 999;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu a {
        font-size: 1.2rem;
    }

    .mobile-menu-toggle {
        display: flex;
        z-index: 1001;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-org-name {
        font-size: 1.5rem;
    }

    .hero-cta {
        font-size: 0.95rem;
        padding: 0.8rem 2rem;
    }

    .main-logo {
        width: 200px;
        height: 200px;
    }

    .section {
        padding: 5rem 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .activities-grid {
        grid-template-columns: 1fr;
    }

    .resources-grid {
        grid-template-columns: 1fr;
    }

    .resources-coming-soon {
        padding: 2rem 1.25rem;
    }

    .coming-soon-grid {
        grid-template-columns: 1fr;
    }

    .mission-pillars {
        grid-template-columns: 1fr;
    }

    .mission-card {
        padding: 2.5rem 1.5rem;
    }

    .mission-card h3 {
        font-size: 1.5rem;
    }

    .event-featured {
        padding: 1.5rem;
        gap: 2rem;
    }

    .event-title {
        font-size: 1.4rem;
    }

    .contact-content {
        flex-direction: column;
        gap: 3rem;
        text-align: center;
    }

    .contact-logo {
        text-align: center;
    }

    .about-highlight {
        padding: 1.5rem;
    }

    .body-text br {
        display: none;
    }

    .lead-text br {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-org-name {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 1.6rem;
    }
}
/* ===== 定期イベント (マンスリーセミナー・にごゼミ) ===== */
.regular-events-section {
    padding-top: 0;
}

.regular-events-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
}

.regular-event-card {
    background: rgba(30, 58, 95, 0.25);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    display: flex;
    flex-direction: column;
}

.regular-event-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-gold);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.4), 0 0 20px rgba(212, 175, 55, 0.1);
}

.regular-event-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
}

.regular-event-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.regular-event-card:hover .regular-event-image img {
    transform: scale(1.05);
}

.regular-event-content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.regular-event-tag {
    display: inline-block;
    padding: 0.3rem 1rem;
    background: rgba(212, 175, 55, 0.15);
    color: var(--accent-gold);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 50px;
    margin-bottom: 1rem;
    align-self: flex-start;
}

.regular-event-card h3 {
    font-size: 1.5rem;
    color: var(--light-gold);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.regular-event-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.regular-event-footer {
    padding-top: 1.5rem;
    border-top: 1px solid rgba(212, 175, 55, 0.1);
    margin-top: auto;
}

.regular-event-info {
    font-size: 0.9rem;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.regular-event-info strong {
    color: var(--accent-gold);
}

/* レスポンシブ対応 */
@media (max-width: 992px) {
    .regular-events-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }
}