:root {
    /* 介護業界の温かさと信頼を表現するカラーパレット */
    --sakura-pink: #ffb7c5;
    --healing-green: #a8d8a8;
    --trust-blue: #87ceeb;
    --warm-orange: #ffb347;
    --gentle-purple: #dda0dd;
    --earth-brown: #d2b48c;
    --pure-white: #ffffff;
    --soft-gray: #f5f5f5;
    --text-primary: #4a4a4a;
    --text-secondary: #6b6b6b;
    
    /* グラデーション */
    --gradient-sunrise: linear-gradient(135deg, #ffb7c5 0%, #ffb347 50%, #ffd700 100%);
    --gradient-nature: linear-gradient(135deg, #a8d8a8 0%, #87ceeb 100%);
    --gradient-care: linear-gradient(135deg, #dda0dd 0%, #ffb7c5 50%, #87ceeb 100%);
    
    /* 影とエフェクト */
    --shadow-soft: 0 5px 15px rgba(0,0,0,0.08);
    --shadow-medium: 0 10px 30px rgba(0,0,0,0.12);
    --shadow-large: 0 20px 60px rgba(0,0,0,0.15);
    --glow-effect: 0 0 30px rgba(255, 183, 197, 0.3);
    
    /* トランジション */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

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

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-primary);
    line-height: 1.8;
    background: var(--soft-gray);
    overflow-x: hidden;
    position: relative;
}

/* 背景の装飾パターン */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, var(--sakura-pink) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, var(--healing-green) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, var(--trust-blue) 0%, transparent 50%);
    opacity: 0.05;
    z-index: -1;
    animation: floatingBg 20s ease-in-out infinite;
}

@keyframes floatingBg {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-20px, -20px) scale(1.05); }
    66% { transform: translate(20px, -10px) scale(0.95); }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
}

/* ヘッダー - 和風モダンスタイル */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition-smooth);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-medium);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    position: relative;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-care);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.logo h1 i {
    -webkit-text-fill-color: var(--sakura-pink);
    animation: heartbeat 2s ease-in-out infinite;
}

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

.logo .tagline {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
    letter-spacing: 0.05em;
    opacity: 0.8;
}

/* ナビゲーション - 優しい曲線デザイン */
.nav-desktop ul {
    display: flex;
    list-style: none;
    gap: 1rem;
    align-items: center;
}

.nav-desktop a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.nav-desktop a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--sakura-pink);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    z-index: -1;
}

.nav-desktop a:hover::before {
    width: 100%;
    height: 100%;
    border-radius: 25px;
}

.nav-desktop a:hover {
    color: var(--pure-white);
    transform: translateY(-2px);
}

.cta-button {
    background: var(--gradient-sunrise);
    color: var(--pure-white) !important;
    padding: 0.6rem 1.8rem !important;
    border-radius: 30px;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.cta-button::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    transform: scale(0);
    transition: transform 0.6s;
}

.cta-button:hover::after {
    transform: scale(1);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

/* ヒーローセクション - 感動的なビジュアル */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
    background: var(--gradient-nature);
}

/* 桜の花びらアニメーション */
.sakura-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.sakura-petal {
    position: absolute;
    width: 15px;
    height: 15px;
    background: var(--sakura-pink);
    border-radius: 0 100% 0 100%;
    opacity: 0.7;
    animation: sakuraFall 10s linear infinite;
}

@keyframes sakuraFall {
    0% {
        transform: translateY(-100px) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.7;
    }
    90% {
        opacity: 0.7;
    }
    100% {
        transform: translateY(calc(100vh + 100px)) rotate(720deg);
        opacity: 0;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--pure-white);
    animation: heroEntry 1.5s ease-out;
}

@keyframes heroEntry {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    line-height: 1.3;
}

.hero-title .highlight {
    position: relative;
    display: inline-block;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0.3em;
    background: var(--warm-orange);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.6s ease;
}

.hero-title .highlight.animate::after {
    transform: scaleX(1);
    transform-origin: left;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    margin-bottom: 2.5rem;
    opacity: 0.95;
    font-weight: 300;
    letter-spacing: 0.05em;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ボタンデザイン - 和風モダン */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    font-size: 1rem;
}

.btn-primary {
    background: var(--pure-white);
    color: var(--text-primary);
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-large);
    background: var(--sakura-pink);
    color: var(--pure-white);
}

.btn-secondary {
    background: transparent;
    color: var(--pure-white);
    border: 2px solid var(--pure-white);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--pure-white);
    color: var(--trust-blue);
    transform: translateY(-3px);
    box-shadow: var(--glow-effect);
}

/* ニュースセクション - 和紙風デザイン */
.news-section {
    padding: 6rem 0;
    background: var(--pure-white);
    position: relative;
}

.news-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 200"><path fill="%23f5f5f5" d="M0,100 C360,180 720,20 1440,100 L1440,0 L0,0 Z"></path></svg>');
    background-size: cover;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::before,
.section-title::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 100px;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--sakura-pink));
}

.section-title::before {
    left: 50%;
    margin-left: -150px;
}

.section-title::after {
    right: 50%;
    margin-right: -150px;
    background: linear-gradient(to left, transparent, var(--sakura-pink));
}

.section-title i {
    color: var(--sakura-pink);
    margin-right: 1rem;
}

.news-list {
    display: grid;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.news-item {
    background: var(--pure-white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 183, 197, 0.2);
}

.news-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 183, 197, 0.1), transparent);
    transition: left 0.6s;
}

.news-item:hover::before {
    left: 100%;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--sakura-pink);
}

.news-item time {
    color: var(--warm-orange);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.news-item time::before {
    content: '📅';
}

.news-item h3 {
    margin: 1rem 0 0.5rem;
    font-size: 1.2rem;
    color: var(--text-primary);
    transition: color 0.3s;
}

.news-item:hover h3 {
    color: var(--sakura-pink);
}

/* 感情ストーリーテリング要素 */
.news-emotion-icon {
    font-size: 2rem;
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    opacity: 0.8;
    animation: gentleFloat 3s ease-in-out infinite;
}

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

.story-tag {
    display: inline-block;
    background: var(--gradient-sunrise);
    color: var(--pure-white);
    padding: 0.3rem 1rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-top: 1rem;
    box-shadow: var(--shadow-soft);
    opacity: 0.9;
}

.news-item[data-story="hope"] {
    border-left: 5px solid var(--sakura-pink);
}

.news-item[data-story="growth"] {
    border-left: 5px solid var(--healing-green);
}

.news-item[data-story="care"] {
    border-left: 5px solid var(--trust-blue);
}

.news-item[data-story="innovation"] {
    border-left: 5px solid var(--warm-orange);
}

/* 特徴セクション - カードデザイン */
.features-section {
    padding: 6rem 0;
    background: linear-gradient(to bottom, var(--pure-white), var(--soft-gray));
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.feature-card {
    background: var(--pure-white);
    padding: 3rem 2rem;
    border-radius: 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-soft);
    border: 2px solid transparent;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--sakura-pink) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.6s;
    z-index: 0;
}

.feature-card:hover::before {
    opacity: 0.1;
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-large);
    border-color: var(--sakura-pink);
}

.feature-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 2rem;
    background: var(--gradient-care);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-soft);
}

.feature-icon i {
    font-size: 2.5rem;
    color: var(--pure-white);
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

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

/* コースセクション - プレミアムカードデザイン */
.courses-section {
    padding: 6rem 0;
    background: var(--soft-gray);
    position: relative;
}

.course-category {
    margin-bottom: 4rem;
}

.category-title {
    font-size: 2rem;
    margin-bottom: 2.5rem;
    color: var(--text-primary);
    padding-left: 2rem;
    position: relative;
    display: inline-block;
}

.category-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 100%;
    background: var(--gradient-sunrise);
    border-radius: 3px;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
}

.course-card {
    background: var(--pure-white);
    border-radius: 25px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.course-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-sunrise);
    transform: scaleX(0);
    transition: transform 0.6s;
}

.course-card:hover::after {
    transform: scaleX(1);
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-large);
}

.course-header {
    background: var(--gradient-care);
    color: var(--pure-white);
    padding: 2rem 1.5rem;
    position: relative;
    overflow: hidden;
}

.course-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.course-header h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    position: relative;
}

.course-price {
    font-size: 1.8rem;
    font-weight: 700;
    position: relative;
}

.course-content {
    padding: 2rem 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-content p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.course-details {
    list-style: none;
    margin-bottom: 2rem;
    flex: 1;
}

.course-details li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.course-details li:last-child {
    border-bottom: none;
}

.course-details i {
    color: var(--sakura-pink);
    font-size: 1.2rem;
    width: 25px;
    text-align: center;
}

.btn-detail {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gradient-sunrise);
    color: var(--pure-white);
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-soft);
    align-self: flex-start;
}

.btn-detail:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-medium);
}

.btn-detail i {
    transition: transform 0.3s;
}

.btn-detail:hover i {
    transform: rotate(10deg);
}

/* CTAセクション - 感動的なデザイン */
.cta-section {
    padding: 8rem 0;
    background: linear-gradient(135deg, var(--sakura-pink) 0%, var(--warm-orange) 50%, var(--trust-blue) 100%);
    color: var(--pure-white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 50%);
    animation: ctaGlow 4s ease-in-out infinite;
}

@keyframes ctaGlow {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(180deg); }
}

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

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    font-weight: 300;
}

/* フッター - エレガントなデザイン */
.footer {
    background: linear-gradient(to bottom, #2c3e50, #1a252f);
    color: var(--pure-white);
    padding: 4rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-sunrise);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1.5rem;
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.footer-section h3::after,
.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--gradient-sunrise);
    border-radius: 2px;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition-smooth);
    display: inline-block;
    padding: 0.4rem 0;
    position: relative;
}

.footer-section a::before {
    content: '▸';
    position: absolute;
    left: -15px;
    opacity: 0;
    transition: var(--transition-smooth);
}

.footer-section a:hover {
    color: var(--sakura-pink);
    transform: translateX(10px);
}

.footer-section a:hover::before {
    opacity: 1;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.1);
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.social-links a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--sakura-pink);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
}

.social-links a:hover::before {
    width: 100%;
    height: 100%;
}

.social-links a:hover {
    transform: translateY(-5px) rotate(360deg);
    border-color: var(--sakura-pink);
}

.social-links a i {
    position: relative;
    z-index: 1;
    transition: color 0.3s;
}

.social-links a:hover i {
    color: var(--pure-white);
}

/* スクロールトップボタン - 花びらデザイン */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--gradient-sunrise);
    color: var(--pure-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    transition: var(--transition-bounce);
    z-index: 999;
    box-shadow: var(--shadow-medium);
    overflow: hidden;
}

.scroll-to-top::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    animation: scrollBtnGlow 2s infinite;
}

@keyframes scrollBtnGlow {
    0%, 100% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.2); }
}

.scroll-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-large);
}

.scroll-to-top.visible {
    display: flex;
}

.scroll-to-top i {
    position: relative;
    z-index: 1;
    font-size: 1.5rem;
}

/* モバイルナビゲーション - スライドメニュー */
.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    position: relative;
}

.nav-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-primary);
    margin: 4px 0;
    transition: var(--transition-smooth);
    border-radius: 3px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
    background: var(--sakura-pink);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
    background: var(--sakura-pink);
}

.nav-mobile {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    transition: var(--transition-smooth);
    z-index: 999;
    overflow-y: auto;
}

.nav-mobile.active {
    left: 0;
    box-shadow: var(--shadow-large);
}

.nav-mobile ul {
    list-style: none;
    padding: 2rem 0;
}

.nav-mobile a {
    display: block;
    padding: 1.5rem 2rem;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 500;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition-smooth);
    position: relative;
}

.nav-mobile a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: var(--gradient-care);
    transition: width 0.3s;
    opacity: 0.1;
}

.nav-mobile a:hover::before {
    width: 100%;
}

.nav-mobile a:hover {
    color: var(--sakura-pink);
    transform: translateX(10px);
}

/* アクセシビリティ向上 */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* フォーカススタイル */
*:focus {
    outline: 3px solid var(--sakura-pink);
    outline-offset: 2px;
}

/* アニメーション無効化（アクセシビリティ対応） */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .features-grid,
    .courses-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .section-title::before,
    .section-title::after {
        width: 50px;
    }
    
    .section-title::before {
        margin-left: -80px;
    }
    
    .section-title::after {
        margin-right: -80px;
    }
}