/* =============================================
   旧金谷商店 - つくり場かずかず
   カスタムスタイルシート
   ============================================= */

/* CSS変数 */
:root {
    /* カラーパレット - 温かみのある自然な色調 */
    --color-primary: #2d5a3d;      /* 深い緑 */
    --color-primary-light: #3d7a52;
    --color-primary-dark: #1e3d29;
    --color-secondary: #8b6914;    /* 落ち着いた金色 */
    --color-secondary-light: #b8922e;
    --color-accent: #c75d3a;       /* 温かいオレンジ */
    --color-bg-light: #faf8f5;     /* オフホワイト */
    --color-bg-alt: #f0ebe3;       /* ベージュ */
    --color-text: #333333;
    --color-text-light: #666666;
    --color-white: #ffffff;
    --color-border: #d4cfc5;
    
    /* フォント */
    --font-heading: 'Zen Maru Gothic', 'Noto Sans JP', sans-serif;
    --font-body: 'Noto Sans JP', sans-serif;
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* トランジション */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    /* シャドウ */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    
    /* 角丸 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
    background-color: var(--color-bg-light);
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.4;
    margin-top: 0;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-light);
}

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

/* =============================================
   ヘッダー
   ============================================= */
.site-header {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.site-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

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

.site-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xs);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.site-title .subtitle {
    display: block;
    font-size: 1.2rem;
    font-weight: 500;
    margin-top: var(--spacing-xs);
    opacity: 0.9;
}

.site-tagline {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 0;
}

/* =============================================
   ナビゲーション
   ============================================= */
.navbar {
    background-color: var(--color-primary-dark) !important;
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    color: var(--color-white) !important;
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    margin-right: auto;
}

.navbar .nav-link {
    color: var(--color-white) !important;
    padding: var(--spacing-xs) var(--spacing-sm) !important;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
}

.navbar .nav-link:hover {
    background-color: rgba(255,255,255,0.1);
    color: var(--color-white) !important;
}

.navbar-toggler {
    background-color: white !important;
    border: none !important;
    padding: 0.5rem 0.7rem;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.navbar-toggler:hover {
    background-color: #f0f0f0 !important;
}

.navbar-toggler:focus {
    box-shadow: 0 2px 8px rgba(0,0,0,0.2), 0 0 0 3px rgba(45, 90, 61, 0.3);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%232d5a3d' stroke-linecap='round' stroke-miterlimit='10' stroke-width='3' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* モバイルメニュー展開時 */
@media (max-width: 991px) {
    .navbar .container {
        flex-wrap: wrap;
    }
    
    .navbar-brand {
        order: 0;
        flex: 1;
    }
    
    .navbar-toggler {
        order: 1;
        flex-shrink: 0;
    }
    
    .navbar-collapse {
        background-color: var(--color-primary-dark);
        padding: var(--spacing-md);
        margin-top: var(--spacing-sm);
        border-radius: var(--radius-md);
        border: 1px solid rgba(255,255,255,0.1);
    }
    
    .navbar-nav .nav-item {
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .navbar-nav .nav-item:last-child {
        border-bottom: none;
    }
    
    .navbar .nav-link {
        padding: var(--spacing-sm) var(--spacing-md) !important;
        font-size: 1.1rem;
    }
    
    .social-nav {
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-md);
        border-top: 2px solid rgba(255,255,255,0.2);
    }
    
    .social-nav .nav-link {
        color: #ffd700 !important;
    }
}

/* =============================================
   セクション共通
   ============================================= */
.section-padding {
    padding: var(--spacing-xl) 0;
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
}

.section-description {
    text-align: center;
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
}

/* =============================================
   スライドショー
   ============================================= */
.slideshow-section {
    background-color: var(--color-primary-dark);
    padding: var(--spacing-md);
}

.slideshow-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.slideshow-wrapper {
    position: relative;
    height: 500px;
}

.slideshow-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.slideshow-image.active {
    opacity: 1;
}

.slideshow-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-sm);
    pointer-events: none;
}

.slide-btn {
    pointer-events: auto;
    background-color: rgba(0,0,0,0.5);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    font-size: 1.5rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.slide-btn:hover {
    background-color: rgba(0,0,0,0.7);
}

.slideshow-dots {
    position: absolute;
    bottom: var(--spacing-sm);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-xs);
}

.slideshow-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.slideshow-dots .dot.active {
    background-color: var(--color-white);
    transform: scale(1.2);
}

/* =============================================
   活動内容セクション
   ============================================= */
.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.feature-item h3 {
    font-size: 1.2rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
}

.feature-item p {
    color: var(--color-text-light);
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* =============================================
   イベントセクション
   ============================================= */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.event-card {
    display: flex;
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.event-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.event-date {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-width: 100px;
}

.event-date .month {
    font-size: 0.85rem;
    opacity: 0.9;
}

.event-date .day {
    font-size: 1rem;
    font-weight: 700;
}

.event-info {
    padding: var(--spacing-md);
    flex: 1;
}

.event-info h3 {
    font-size: 1.2rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
}

.event-info p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

.event-location {
    font-size: 0.9rem;
    color: var(--color-secondary);
}

/* =============================================
   クラウドファンディング
   ============================================= */
.crowdfunding-box {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
}

.cf-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: linear-gradient(135deg, var(--color-accent), #e07055);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.crowdfunding-box h3 {
    color: var(--color-primary-dark);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.crowdfunding-box p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

/* =============================================
   YouTube
   ============================================= */
.video-container {
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* =============================================
   活動報告
   ============================================= */
.activity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.activity-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.activity-card h3 {
    color: var(--color-primary-dark);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.activity-card p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.btn-link {
    color: var(--color-primary);
    font-weight: 500;
    display: inline-block;
}

.btn-link:hover {
    color: var(--color-primary-light);
}

/* =============================================
   プロフィール
   ============================================= */
.profile-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
    align-items: start;
}

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

.profile-image img {
    width: 250px;
    height: 250px;
    object-fit: cover;
    border: 5px solid var(--color-white);
    box-shadow: var(--shadow-md);
}

.profile-text {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.profile-text .greeting {
    font-size: 1.2rem;
    color: var(--color-primary);
    font-weight: 500;
}

.profile-text p {
    margin-bottom: var(--spacing-sm);
}

.newspaper-image {
    margin: var(--spacing-md) 0;
    text-align: center;
}

.newspaper-image img {
    max-width: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.newspaper-image .caption {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

/* =============================================
   お問い合わせ
   ============================================= */
.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.contact-icon {
    font-size: 2rem;
}

.contact-item h3 {
    font-size: 1rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
}

.contact-item a {
    word-break: break-all;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg-alt);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.social-links a:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* お問い合わせフォーム */
.contact-form-wrapper {
    margin-top: var(--spacing-lg);
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.contact-form-wrapper h3 {
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

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

.contact-form label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.contact-form .required {
    color: var(--color-accent);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 90, 61, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

/* =============================================
   ボタン
   ============================================= */
.btn-primary-custom {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-primary-custom:hover {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary-custom {
    display: inline-block;
    background: transparent;
    color: var(--color-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-secondary-custom:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* =============================================
   フッター
   ============================================= */
.site-footer {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, #1a2e1f 100%);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-info h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.footer-info p {
    opacity: 0.8;
    font-size: 0.9rem;
}

.footer-links h4,
.footer-social h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--color-white);
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icons a {
    font-size: 1.5rem;
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.social-icons a:hover {
    transform: scale(1.2);
}

.footer-bottom {
    text-align: center;
    padding: var(--spacing-md) 0;
    opacity: 0.7;
    font-size: 0.9rem;
}

/* =============================================
   スタッフブログカード
   ============================================= */
#blogPosts .card {
    border: none;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

#blogPosts .card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

#blogPosts .card-title {
    color: var(--color-primary-dark);
}

#blogPosts .btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

#blogPosts .btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

/* =============================================
   メディアクエリ
   ============================================= */
@media (max-width: 768px) {
    .site-title {
        font-size: 1.8rem;
    }
    
    .site-title .subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .slideshow-wrapper {
        height: 300px;
    }
    
    .profile-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .profile-image img {
        width: 200px;
        height: 200px;
    }
    
    .event-card {
        flex-direction: column;
    }
    
    .event-date {
        flex-direction: row;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm);
    }
    
    .footer-links ul {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section-padding {
        padding: var(--spacing-lg) 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .slideshow-wrapper {
        height: 250px;
    }
    
    .slide-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 1.2rem;
    }
}

/* =============================================
   アニメーション
   ============================================= */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-title {
    animation: fadeInUp 0.6s ease-out;
}

/* スムーススクロール用 */
section {
    scroll-margin-top: 80px;
}

/* =============================================
   お知らせセクション
   ============================================= */
.news-section {
    background: linear-gradient(90deg, #e65100, #ff8f00, #e65100);
    padding: 0.75rem 0;
}

.news-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.news-badge {
    background: white;
    color: #e74c3c;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.85rem;
    white-space: nowrap;
}

.news-content {
    flex: 1;
    min-width: 200px;
}

.news-text {
    margin: 0;
    color: white;
    font-weight: 500;
}

.news-link {
    color: white;
    text-decoration: none;
    font-weight: 700;
    padding: 0.3rem 1rem;
    border: 2px solid white;
    border-radius: 20px;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.news-link:hover {
    background: white;
    color: #e74c3c;
}

@media (max-width: 768px) {
    .news-banner {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .news-text {
        font-size: 0.9rem;
    }
}

/* =============================================
   イベント告知 チラシ画像（A4縦）
   ============================================= */
.event-flyer-img {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    display: block;
    margin: 0 auto;
    aspect-ratio: 210 / 297; /* A4縦比率 */
    object-fit: cover;
}

.event-flyer-wrap {
    text-align: center;
}

/* =============================================
   SNSシェアボタン
   ============================================= */
.share-section {
    background: #f8f9fa;
    padding: 2rem 0;
}

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

.share-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 1rem;
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    text-decoration: none;
    color: white;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    min-width: 120px;
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    color: white;
}

.share-btn.line {
    background: #06c755;
}

.share-btn.twitter {
    background: #000;
}

.share-btn.facebook {
    background: #1877f2;
}

@media (max-width: 480px) {
    .share-btn {
        padding: 0.6rem 1rem;
        min-width: 100px;
        font-size: 0.8rem;
    }
}