/* General Styles */
body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.8;
    color: #333;
    background-color: #f9f9f9;
    margin: 0;
}

a {
    text-decoration: none;
    color: #333;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: #fff;
    padding: 20px 0;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo a {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50; /* Dark blue-gray for professional look */
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav li {
    margin-left: 30px;
}

nav a {
    font-weight: 500;
    transition: color 0.3s;
    color: #555;
}

nav a:hover {
    color: #3498db; /* A professional blue */
}

/* Hero Section (for index.html) */
.hero {
    background-image: url('images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    color: #fff;
    text-align: center;
    padding: 150px 0;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6); /* Slightly darker overlay */
}

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

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 20px;
    margin-bottom: 40px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

/* Page Hero Section (for other pages) */
.page-hero {
    background-color: #34495e; /* Darker blue-gray */
    color: #fff;
    text-align: center;
    padding: 80px 0;
    margin-bottom: 40px;
}

.page-hero h1 {
    font-size: 42px;
    margin-bottom: 10px;
}

.page-hero p {
    font-size: 18px;
}

/* Introduction Section (for index.html) */
.introduction {
    padding: 80px 0;
    background-color: #fff;
    border-bottom: 1px solid #eee;
}

.introduction h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: #2c3e50;
}

.introduction p {
    font-size: 16px;
    max-width: 800px;
    margin: 0 auto;
    text-align: justify;
}

/* News Section (for index.html) */
.news {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.news h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #2c3e50;
}

.news-list {
    max-width: 800px;
    margin: 0 auto;
}

.news-item {
    display: flex;
    border-bottom: 1px solid #ddd;
    padding: 20px 0;
    align-items: flex-start; /* Align items to the top */
}

.news-item:last-child {
    border-bottom: none;
}

.news-item .date {
    font-weight: bold;
    margin-right: 30px;
    color: #3498db; /* Professional blue */
    min-width: 100px;
    flex-shrink: 0; /* Prevent date from shrinking */
}

.news-item p {
    margin: 0;
    font-size: 16px;
}

.news-item p strong {
    display: block; /* Make strong text appear on a new line */
    margin-bottom: 5px;
    color: #2c3e50;
}

/* Page Content (for all report pages) */
.page-content {
    padding: 40px 0 80px 0;
    background-color: #fff;
}

.page-content h2 {
    font-size: 32px;
    color: #2c3e50;
    margin-bottom: 25px;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

.page-content h3 {
    font-size: 24px;
    color: #34495e;
    margin-top: 30px;
    margin-bottom: 15px;
}

.page-content p {
    font-size: 16px;
    margin-bottom: 20px;
    text-align: justify;
}

.page-content ul, .page-content ol {
    font-size: 16px;
    margin-bottom: 20px;
    padding-left: 25px;
}

.page-content ul li, .page-content ol li {
    margin-bottom: 10px;
}

/* Image Container */
.image-container {
    text-align: center;
    margin: 40px 0;
}

.image-container img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.image-container .caption {
    font-size: 14px;
    color: #666;
    margin-top: 10px;
}

/* Tables */
.page-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
}

.page-content th, .page-content td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}

.page-content th {
    background-color: #f2f2f2;
    font-weight: bold;
    color: #2c3e50;
}

/* Footer */
footer {
    background-color: #2c3e50; /* Dark blue-gray */
    color: #fff;
    text-align: center;
    padding: 20px 0;
    font-size: 14px;
}