@charset "UTF-8";

/* ===================================
   ネオ和風スタイル - 佐野武道会
   グラスモーフィズム + ネオン + 和風
   =================================== */

/* Google Fonts - 和風フォント */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;500;600;700&family=Zen+Old+Mincho:wght@400;500;600;700&display=swap');

/* ===================================
   カスタムプロパティ（カラーパレット）
   Liquid Glass Design System
   =================================== */
:root {
    /* メインカラー - 深みのあるダーク */
    --color-bg-dark: #0a0a0f;
    --color-bg-main: #12121a;
    --color-bg-card: rgba(25, 25, 35, 0.6);
    --color-bg-glass: rgba(255, 255, 255, 0.03);

    /* Liquid Glass効果 */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-bg-hover: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-border-hover: rgba(255, 255, 255, 0.2);
    --glass-blur: 20px;
    --glass-blur-heavy: 40px;

    /* アクセントカラー - 朱色系（より鮮やか） */
    --color-accent: #ff4d4d;
    --color-accent-glow: rgba(255, 77, 77, 0.5);
    --color-accent-soft: rgba(255, 77, 77, 0.15);

    /* セカンダリカラー - 金色系（より輝く） */
    --color-gold: #ffd700;
    --color-gold-glow: rgba(255, 215, 0, 0.4);

    /* テキストカラー */
    --color-text-primary: #ffffff;
    --color-text-secondary: #b0b0b8;
    --color-text-muted: #6a6a7a;

    /* ボーダー・ガラス効果 */
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-glow: rgba(255, 77, 77, 0.4);

    /* グラデーション - Liquid Glass */
    --gradient-dark: linear-gradient(135deg, #12121a 0%, #0a0a0f 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.02) 100%);
    --gradient-glass-shine: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0) 50%);
    --gradient-accent: linear-gradient(135deg, #ff6b6b 0%, #ff4757 100%);
    --gradient-liquid: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);

    /* シャドウ - Liquid Glass */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px var(--color-accent-glow);
    --shadow-gold-glow: 0 0 25px var(--color-gold-glow);
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.2), inset 0 0 0 1px rgba(255, 255, 255, 0.05);
    --shadow-glass-hover: 0 12px 40px rgba(0, 0, 0, 0.3), inset 0 0 0 1px rgba(255, 255, 255, 0.1);

    /* トランジション - スムーズなアニメーション */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.4s ease-in-out;
    --transition-slow: 0.6s ease-in-out;
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* フォント */
    --font-primary: 'Zen Old Mincho', 'Noto Serif JP', serif;
    --font-heading: 'Zen Old Mincho', serif;

    /* スペーシング */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;

    /* ボーダー半径 - より丸みを帯びた */
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 28px;
    --radius-full: 9999px;
}

/* ===================================
   リセット・基本スタイル
   =================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    background: var(--color-bg-dark);
    color: var(--color-text-primary);
    line-height: 1.8;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 背景パターン */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(231, 76, 60, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(212, 168, 75, 0.02) 0%, transparent 50%),
        var(--gradient-dark);
    pointer-events: none;
    z-index: -1;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-base);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ===================================
   ユーティリティクラス
   =================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-sm);
}

.section {
    padding: var(--space-lg) 0;
}

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

.text-accent {
    color: var(--color-accent);
}

.text-gold {
    color: var(--color-gold);
}

/* ===================================
   グラスモーフィズム効果
   =================================== */
.glass {
    background: var(--color-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.glass-card {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-glass);
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    opacity: 0.6;
}

.glass-card:hover {
    transform: translateY(-6px);
}

/* ===================================
   ネオン効果
   =================================== */
.neon-text {
    text-shadow: 
        0 0 10px var(--color-accent-glow),
        0 0 20px var(--color-accent-glow),
        0 0 40px var(--color-accent-glow);
}

.neon-border {
    border: 1px solid var(--color-accent);
    box-shadow: 
        0 0 5px var(--color-accent-glow),
        inset 0 0 5px var(--color-accent-glow);
}

.neon-line {
    height: 2px;
    background: var(--color-accent);
    box-shadow: 0 0 10px var(--color-accent-glow);
}

.gold-glow {
    text-shadow: 
        0 0 10px var(--color-gold-glow),
        0 0 20px var(--color-gold-glow);
}

/* ===================================
   タイポグラフィ
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.4;
    letter-spacing: 0.05em;
}

.heading-xl {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    letter-spacing: 0.1em;
}

.heading-lg {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    letter-spacing: 0.08em;
}

.heading-md {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 500;
}

.heading-sm {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 500;
}

.body-lg {
    font-size: 1.125rem;
    line-height: 2;
}

.body-sm {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* セクションタイトル */
.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: var(--space-md);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--color-accent);
    box-shadow: 0 0 10px var(--color-accent-glow);
}

/* ===================================
   ナビゲーション
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-sm) 0;
    background: rgba(10, 10, 15, 0.7);
    backdrop-filter: blur(var(--glass-blur-heavy));
    -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
    border-bottom: 1px solid var(--glass-border);
    transition: all var(--transition-base);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.navbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

.navbar.scrolled {
    padding: var(--space-xs) 0;
    background: rgba(10, 10, 15, 0.9);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: all var(--transition-base);
}

.navbar-brand:hover {
    opacity: 0.9;
}

.navbar-logo {
    height: 60px;
    width: auto;
    border-radius: var(--radius-md);
    background: var(--color-bg-dark);
    padding: 8px 16px;
    box-shadow: 
        inset 0 0 30px rgba(0, 0, 0, 0.6),
        0 2px 10px rgba(0, 0, 0, 0.4);
    transition: all var(--transition-base);
}

.navbar-brand:hover .navbar-logo {
    box-shadow: 
        inset 0 0 30px rgba(0, 0, 0, 0.6),
        0 4px 15px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(231, 76, 60, 0.15);
}

.navbar-brand .brand-accent {
    color: var(--color-accent);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav-link {
    position: relative;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    padding: var(--space-xs) 0;
    transition: all var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    box-shadow: 0 0 10px var(--color-accent-glow);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* モバイルメニューボタン */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 28px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* モバイルメニュー */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: rgba(15, 15, 20, 0.98);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    padding: 100px var(--space-md) var(--space-md);
    transition: right var(--transition-slow);
    z-index: 999;
    border-left: 1px solid var(--color-border);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 998;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.mobile-nav-link {
    display: block;
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--color-accent);
    padding-left: var(--space-sm);
    border-bottom-color: var(--color-accent);
}

/* ===================================
   ヒーローセクション
   =================================== */
.hero {
    position: relative;
    min-height: min(100vh, 900px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--space-xl) + 80px) var(--space-md) var(--space-xl);
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
}

.hero-subtitle {
    font-size: 1rem;
    letter-spacing: 0.3em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
}

.hero-title {
    margin-bottom: var(--space-md);
}

.hero-title .main-title {
    display: block;
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 700;
    letter-spacing: 0.15em;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-gold) 50%, var(--color-text-primary) 100%);
    background-size: 200% auto;
    background-position: center;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-title .sub-title {
    display: block;
    font-size: clamp(1.5rem, 5vw, 2rem);
    font-weight: 400;
    letter-spacing: 0.2em;
    color: var(--color-text-secondary);
    margin-top: var(--space-sm);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 2;
    margin-bottom: var(--space-md);
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* 装飾的な線 */
.hero-decoration {
    position: absolute;
    width: 1px;
    height: 100px;
    background: linear-gradient(to bottom, transparent, var(--color-accent), transparent);
    opacity: 0.5;
}

.hero-decoration.left {
    left: 10%;
    top: 30%;
}

.hero-decoration.right {
    right: 10%;
    bottom: 30%;
}

/* ===================================
   ボタン
   =================================== */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 1rem 2.5rem;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    overflow: hidden;
}


.btn-primary {
    background: var(--gradient-accent);
    color: white;
    border: none;
    box-shadow: 0 4px 25px var(--color-accent-glow);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 35px var(--color-accent-glow);
}

.btn-outline {
    background: var(--glass-bg);
    color: var(--color-text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: var(--glass-bg-hover);
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.btn-ghost {
    background: var(--glass-bg);
    color: var(--color-text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-ghost:hover {
    background: var(--color-accent-soft);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

/* ===================================
   カード
   =================================== */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--color-border-glow);
}

.card-image {
    position: relative;
    height: 200px;
    background: var(--color-bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.card-content {
    padding: var(--space-md);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.card-description {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* ===================================
   フィーチャーセクション
   =================================== */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
}

.feature-item {
    text-align: center;
    padding: var(--space-md);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 2rem;
    transition: all var(--transition-base);
}

.feature-item:hover .feature-icon {
    border-color: var(--color-accent);
    transform: scale(1.1);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.feature-description {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* ===================================
   コンテンツブロック
   =================================== */
.content-block {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
}

/* モバイル: 画像サイズ調整 */
.content-block .content-image {
    max-width: 250px;
    min-height: auto;
}

@media (min-width: 768px) {
    .content-block {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }

    .content-block .content-image {
        order: 0;
        max-width: none;
        min-height: 300px;
    }

    .content-block.reverse {
        direction: rtl;
    }

    .content-block.reverse > * {
        direction: ltr;
    }
}

.content-text {
    padding: var(--space-md);
}

.content-text .label {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    text-transform: uppercase;
    margin-bottom: var(--space-xs);
}

.content-text h3 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--space-sm);
}

/* タイトル横ロゴ - デフォルト非表示（PC） */
.title-with-logo {
    display: block;
}

.title-logo {
    display: none;
}

.content-text p {
    color: var(--color-text-secondary);
    line-height: 2;
}

.content-image {
    position: relative;
    min-height: 300px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    overflow: hidden;
}

.content-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
}

/* ===================================
   お問い合わせフォーム
   =================================== */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
    color: var(--color-text-secondary);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-text-primary);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    background: var(--glass-bg-hover);
    border-color: var(--color-accent);
    box-shadow: 0 0 25px var(--color-accent-soft), var(--shadow-glass);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* セレクトボックスのオプション文字色修正 */
select.form-input {
    cursor: pointer;
}

select.form-input option {
    background: #1a1a24;
    color: #f0f0f0;
    padding: 0.5rem;
}

/* ===================================
   フッター
   =================================== */
.footer {
    background: rgba(10, 10, 15, 0.9);
    border-top: 1px solid var(--color-border);
    padding: var(--space-lg) 0 var(--space-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.footer-section p,
.footer-section li {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 2;
}

.footer-section a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ===================================
   アニメーション
   =================================== */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
        filter: blur(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        filter: blur(5px);
    }
    to {
        opacity: 1;
        filter: blur(0);
    }
}

@keyframes glassShimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px var(--color-accent-glow);
    }
    50% {
        box-shadow: 0 0 40px var(--color-accent-glow);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px var(--color-accent-glow); }
    50% { box-shadow: 0 0 40px var(--color-accent-glow); }
}

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

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }

/* ===================================
   レスポンシブデザイン
   =================================== */

/* タブレット */
@media (max-width: 1200px) {
    :root {
        --space-lg: 3rem;
        --space-xl: 4rem;
    }

    .navbar-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }
}

/* スマートフォン */
@media (max-width: 768px) {
    :root {
        --space-md: 1.5rem;
        --space-lg: 2rem;
        --space-xl: 3rem;
    }
    
    .container {
        padding: 0 var(--space-sm);
    }
    
    .hero {
        min-height: auto;
        height: auto;
        padding: 160px 20px 60px;
        overflow: visible;
    }

    .hero-subtitle {
        font-size: clamp(0.6rem, 3.5vw, 1rem);
        letter-spacing: 0.15em;
        white-space: nowrap;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .hero-cta .btn {
        padding: 0.85rem 1.8rem;
        font-size: 0.9rem;
    }

    /* タイトル横のロゴ */
    .title-with-logo {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        margin-top: 0;
    }

    .title-with-logo h3 {
        white-space: nowrap;
        margin-bottom: 0;
    }

    .content-text .label {
        margin-bottom: 0.5rem;
    }

    .title-logo {
        display: block;
        width: 75px;
        height: 75px;
        object-fit: contain;
        border-radius: var(--radius-sm);
        flex-shrink: 0;
    }

    /* 大きい画像を非表示 */
    .content-block .content-image {
        display: none;
    }

    .features {
        grid-template-columns: 1fr;
    }
    
    .content-block {
        gap: var(--space-md);
    }
    
    .content-image {
        min-height: 200px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* 小さいスマートフォン */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .hero-title .main-title {
        letter-spacing: 0.08em;
    }
}

/* ===================================
   ページ固有スタイル
   =================================== */

/* ページヘッダー */
.page-header {
    position: relative;
    padding: calc(var(--space-xl) + 80px) var(--space-md) var(--space-lg);
    text-align: center;
    background: linear-gradient(180deg, rgba(10, 10, 15, 1) 0%, rgba(18, 18, 26, 1) 100%);
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200%;
    height: 100%;
    background: radial-gradient(ellipse at center top, rgba(255, 77, 77, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.page-header .page-title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
    text-shadow: 0 0 40px rgba(255, 255, 255, 0.1);
}

.page-header .page-subtitle {
    color: var(--color-text-secondary);
    font-size: 1rem;
    letter-spacing: 0.2em;
}

/* 活動記録グリッド */
.records-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-md);
}

/* タブナビゲーション */
.tabs {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--color-text-primary);
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
}

/* インフォボックス */
.info-box {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
}

.info-box-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-soft);
    border-radius: var(--radius-sm);
    color: var(--color-accent);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.info-box-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.info-box-content p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* Google Map */
.map-container {
    width: 100%;
    height: 400px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* テーブル */
.table-wrapper {
    overflow: visible;
}

.info-table {
    width: 100%;
    border-collapse: collapse;
}

.info-table th,
.info-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.info-table th {
    font-weight: 600;
    color: var(--color-accent);
    white-space: nowrap;
    width: 30%;
}

.info-table td {
    color: var(--color-text-secondary);
}

/* スクロールトップボタン */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-primary);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 100;
}

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

.scroll-top:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

/* ===================================
   役員紹介ページ
   =================================== */

/* 役員グリッド */
.officer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.officer-duo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

/* 役員カード */
.officer-card {
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.officer-card-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.officer-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.officer-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 15, 20, 0.9) 0%, transparent 50%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 2rem;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.officer-card:hover .officer-card-overlay {
    opacity: 1;
}

.officer-card-content {
    padding: 1.5rem;
    text-align: center;
}

.officer-card-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.officer-card-title {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* 役員バッジ */
.officer-badge {
    display: inline-block;
    padding: 0.3rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.officer-badge-chairman {
    background: linear-gradient(135deg, var(--color-gold), #b8860b);
    color: #1a1a24;
    box-shadow: 0 0 15px var(--color-gold-glow);
}

.officer-badge-vice {
    background: linear-gradient(135deg, var(--color-accent), #c0392b);
    color: white;
    box-shadow: 0 0 15px var(--color-accent-glow);
}

.officer-badge-advisor {
    background: linear-gradient(135deg, #6c5ce7, #a29bfe);
    color: white;
    box-shadow: 0 0 15px rgba(108, 92, 231, 0.5);
}

/* 役員フィーチャード（会長など大きいカード） */
.officer-featured {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 0;
    overflow: hidden;
}

.officer-featured-image {
    position: relative;
    min-height: 400px;
}

.officer-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.officer-featured-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, transparent 50%, rgba(30, 30, 42, 0.95) 100%);
}

.officer-featured-content {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.officer-featured-name {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--color-text-primary), var(--color-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.officer-gou,
.officer-profile-gou {
    font-size: 0.6em;
    color: var(--color-text-secondary);
    font-weight: 400;
    -webkit-text-fill-color: var(--color-text-secondary);
}

.officer-featured-title {
    color: var(--color-gold);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.officer-featured-desc {
    color: var(--color-text-secondary);
    line-height: 1.9;
    margin-bottom: 2rem;
}

/* 役員プロフィール（詳細ページ） */
.officer-profile {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    padding: 0;
    overflow: hidden;
}

.officer-profile-image-wrapper {
    position: relative;
}

.officer-profile-image {
    width: 100%;
    height: 100%;
    min-height: 350px;
}

.officer-profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.officer-profile-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
}

.officer-profile-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.officer-profile-name {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.officer-profile-title {
    color: var(--color-gold);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.officer-profile-divider {
    width: 60px;
    height: 2px;
    background: var(--color-accent);
    margin: 1.5rem 0;
    box-shadow: var(--shadow-glow);
}

.officer-profile-bio {
    color: var(--color-text-secondary);
    line-height: 2;
}

.officer-profile-bio p {
    margin-bottom: 1rem;
}

.officer-profile-bio p:last-child {
    margin-bottom: 0;
}

/* 役員リストレイアウト（横2列） */
.officer-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 700px;
    margin: 0 auto;
}

.officer-list-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
}

.officer-list-info {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-top: 1rem;
}

.officer-list-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.officer-list-title {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.officer-list-desc {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    line-height: 1.7;
    margin-top: 0.5rem;
}

.officer-list-info .btn {
    margin-top: 0.8rem;
}

.officer-list-image {
    width: 200px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.officer-list-image img {
    width: 100%;
    height: auto;
    display: block;
}

@media (max-width: 600px) {
    .officer-list {
        grid-template-columns: 1fr;
        max-width: 300px;
    }

    .officer-list-image {
        width: 180px;
    }
}

/* 指導者CTAセクション */
.instructor-cta {
    max-width: 500px;
    margin: 0 auto;
    padding: 2rem;
    text-align: center;
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
}

.instructor-cta-text {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* タイムライン */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent), var(--color-gold));
}

.timeline-item {
    position: relative;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    margin-left: 1rem;
}

.timeline-marker {
    position: absolute;
    left: -2.5rem;
    top: 2rem;
    width: 12px;
    height: 12px;
    background: var(--color-accent);
    border-radius: 50%;
    box-shadow: var(--shadow-glow);
}

.timeline-date {
    display: inline-block;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--color-text-secondary);
}

/* 指導者グリッド */
.instructor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.instructor-card {
    text-align: center;
    padding: 2rem 1.5rem;
    transition: all var(--transition-base);
}

.instructor-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent);
}

.instructor-card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.instructor-name {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
}

.instructor-rank {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.instructor-badge {
    display: inline-block;
    padding: 0.3rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.instructor-badge-iaido {
    background: linear-gradient(135deg, #6c5ce7, #a29bfe);
    color: white;
}

.instructor-badge-kendo {
    background: linear-gradient(135deg, var(--color-accent), #c0392b);
    color: white;
}

.instructor-badge-overseas {
    background: linear-gradient(135deg, var(--color-gold), #b8860b);
    color: #1a1a24;
}

.instructor-badge-chief {
    background: linear-gradient(135deg, #2d3436, #636e72);
    color: white;
    font-weight: 700;
}

.instructor-badge-vice-chief {
    background: linear-gradient(135deg, #4a5568, #718096);
    color: white;
}

.instructor-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.instructor-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.7rem;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: all var(--transition-base);
}

.instructor-link:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.instructor-link svg {
    flex-shrink: 0;
}

/* ===================================
   言語スイッチャー
   =================================== */

/* Desktop */
.lang-switcher {
    position: relative;
    margin-left: var(--space-sm);
}

.lang-switcher-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.lang-switcher-btn:hover {
    color: var(--color-text-primary);
    border-color: var(--glass-border-hover);
    background: var(--glass-bg-hover);
}

.lang-flag {
    display: inline-flex;
    align-items: center;
    line-height: 1;
}

.flag-icon {
    width: 22px;
    height: 15px;
    border-radius: 2px;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15);
    vertical-align: middle;
}

.lang-arrow {
    transition: transform var(--transition-fast);
}

.lang-switcher.open .lang-arrow {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 160px;
    background: rgba(20, 20, 30, 0.95);
    backdrop-filter: blur(var(--glass-blur-heavy));
    -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: 1001;
    overflow: hidden;
}

.lang-switcher.open .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 1rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.lang-option:hover {
    background: var(--glass-bg-hover);
    color: var(--color-text-primary);
}

.lang-option.active {
    color: var(--color-text-primary);
}

.lang-active-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    margin-left: auto;
    box-shadow: 0 0 8px var(--color-accent-glow);
}

/* Mobile */
.mobile-lang-switcher {
    display: flex;
    gap: var(--space-xs);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.mobile-lang-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    text-decoration: none;
}

.mobile-lang-option:hover {
    color: var(--color-text-primary);
    border-color: var(--glass-border-hover);
}

.mobile-lang-option.active {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
}

/* レスポンシブ - 役員紹介 */
@media (max-width: 992px) {
    .officer-featured {
        grid-template-columns: 1fr;
    }
    
    .officer-featured-image {
        min-height: 300px;
    }
    
    .officer-featured-overlay {
        background: linear-gradient(to bottom, transparent 30%, rgba(30, 30, 42, 0.95) 100%);
    }
    
    .officer-profile {
        grid-template-columns: 1fr;
    }
    
    .officer-profile-image {
        min-height: 300px;
    }
}

@media (max-width: 768px) {
    .officer-featured-name {
        font-size: 1.8rem;
    }
    
    .officer-featured-content {
        padding: 2rem;
    }
    
    .officer-duo-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: 1.5rem;
    }
    
    .timeline-item {
        margin-left: 0.5rem;
    }
    
    .timeline-marker {
        left: -2rem;
    }
}