/* リセットCSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基本スタイル */
body {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 18px;
    line-height: 1.8;
    color: #333;
    background-color: #fafafa;
}

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

/* ヘッダー */
header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 20px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h1 {
    color: #4a90e2;
    font-size: 32px;
    font-weight: 700;
}

.tagline {
    color: #666;
    font-size: 14px;
    display: block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
    font-size: 16px;
}

.nav-menu a:hover {
    color: #4a90e2;
}

.btn-member {
    background-color: #4a90e2;
    color: white !important;
    padding: 10px 20px;
    border-radius: 25px;
}

.btn-member:hover {
    background-color: #357abd;
}

/* ヒーローセクション */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/blog/介護士と入居者_リアル画像.jpg') center center/cover;
    padding: 100px 0;
    text-align: center;
    position: relative;
}

.hero-content h2 {
    font-size: 48px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
}

.hero-content p {
    font-size: 20px;
    color: #ffffff;
    margin-bottom: 40px;
    line-height: 1.8;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.7);
}

.btn-primary {
    display: inline-block;
    background-color: #e74c3c;
    color: white;
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 700;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.btn-primary:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
}

/* セクションタイトル */
.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: #2c3e50;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: #4a90e2;
    margin: 20px auto 0;
}

/* ビジョンセクション */
.vision-section {
    padding: 80px 0;
    background-color: #fff;
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.vision-card {
    background-color: #f8f9fa;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.vision-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.12);
}

.vision-image {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 20px;
}

.vision-card h3 {
    font-size: 24px;
    color: #4a90e2;
    margin-bottom: 20px;
    font-weight: 700;
}

.vision-card p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
}

/* 現在の取り組みセクション */
.current-activity {
    padding: 80px 0;
    background-color: #f0f8ff;
}

.activity-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.activity-content p {
    font-size: 20px;
    margin-bottom: 20px;
    color: #555;
}

.highlight-text {
    font-size: 22px !important;
    font-weight: 700;
    color: #e74c3c !important;
    margin-top: 30px !important;
}

/* お問い合わせセクション */
.contact-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-content p {
    font-size: 20px;
    margin-bottom: 40px;
    color: #555;
}

.instagram-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(45deg, #f09433 0%,#e6683c 25%,#dc2743 50%,#cc2366 75%,#bc1888 100%);
    color: white;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 700;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.instagram-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

.instagram-icon {
    width: 24px;
    height: 24px;
}

.contact-note {
    margin-top: 20px;
    font-size: 16px;
    color: #666;
}

/* フッター */
footer {
    background-color: #2c3e50;
    color: white;
    padding: 30px 0;
    text-align: center;
}

footer p {
    font-size: 16px;
}

/* メンバーページスタイル */
.members-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 80px 0;
    text-align: center;
    color: white;
}

.members-hero h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.members-section {
    padding: 80px 0;
    background-color: #fff;
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.member-card {
    background-color: #f8f9fa;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.member-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.member-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.member-info {
    padding: 30px;
}

.member-info h3 {
    font-size: 24px;
    color: #2c3e50;
    margin-bottom: 20px;
    font-weight: 700;
}

.member-info p {
    font-size: 16px;
    color: #555;
    line-height: 1.8;
}

.back-link {
    display: inline-block;
    margin-top: 40px;
    color: #4a90e2;
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
    transition: color 0.3s;
}

.back-link:hover {
    color: #357abd;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 15px;
    }
    
    .navbar .container {
        flex-direction: column;
        gap: 20px;
    }
    
    .hero-content h2 {
        font-size: 36px;
    }
    
    .hero-content p {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .vision-grid,
    .blog-grid,
    .members-grid {
        grid-template-columns: 1fr;
    }
}