/* ===== Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.8;
    color: #333;
    background-color: #fff;
}

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

/* ===== Header Styles ===== */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
}

.logo h1 {
    color: #2c3e50;
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-list a {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-list a:hover {
    color: #3498db;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #3498db;
    transition: width 0.3s ease;
}

.nav-list a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: #2c3e50;
    transition: all 0.3s ease;
}

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 150px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(44, 62, 80, 0.3);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 2rem;
    line-height: 1.4;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.8;
    opacity: 0.9;
    font-weight: 300;
}

/* ===== Section Titles ===== */
.section-title {
    font-size: 2.5rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: #3498db;
    border-radius: 2px;
}

/* ===== News Section ===== */
.news-section {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.news-item {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid #e9ecef;
}

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

.news-date {
    color: #6c757d;
    font-weight: 500;
    white-space: nowrap;
    font-size: 0.95rem;
}

.news-content {
    color: #2c3e50;
    font-weight: 400;
}

/* ===== About Section ===== */
.about-section {
    padding: 100px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text .section-title {
    text-align: left;
    font-size: 2.2rem;
    margin-bottom: 2rem;
}

.about-description {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.about-img-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    padding: 60px 40px;
    color: white;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.about-img-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
    display: block;
}

.about-img-placeholder p {
    font-size: 1.2rem;
    font-weight: 500;
}

/* ===== Services Section ===== */
.services-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-top: 2rem;
}

.service-item {
    background: white;
    padding: 3rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-item h4 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.service-item p {
    color: #555;
    line-height: 1.7;
}

/* ===== Company Info Section ===== */
.company-info {
    padding: 100px 0;
    background: white;
}

.company-details {
    max-width: 800px;
    margin: 0 auto;
}

.company-row {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 2rem;
    padding: 2rem 0;
    border-bottom: 1px solid #e9ecef;
}

.company-row:last-child {
    border-bottom: none;
}

.company-label {
    font-weight: 600;
    color: #2c3e50;
    font-size: 1.1rem;
}

.company-value {
    color: #555;
    font-size: 1.1rem;
    line-height: 1.7;
}

.business-list {
    list-style: none;
    padding: 0;
}

.business-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
}

.business-list li::before {
    content: '●';
    color: #3498db;
    position: absolute;
    left: 0;
    top: 0;
}

/* ===== Contact Section ===== */
.contact-section {
    padding: 100px 0;
    background: #f8f9fa;
}

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

.contact-description {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 3rem;
    line-height: 1.8;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: left;
}

.contact-item i {
    font-size: 2.5rem;
    color: #3498db;
    min-width: 50px;
}

.contact-details h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: #555;
    font-size: 1.1rem;
    font-weight: 500;
}

/* ===== Footer Styles ===== */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.footer-logo h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-info {
    text-align: right;
}

.footer-info p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
}

.footer-bottom p {
    opacity: 0.7;
    font-size: 0.9rem;
}

/* ===== Smooth Scrolling ===== */
html {
    scroll-behavior: smooth;
}

/* ===== Utility Classes ===== */
.text-center {
    text-align: center;
}

.mb-1 {
    margin-bottom: 1rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

.mb-3 {
    margin-bottom: 3rem;
}

/* ===== Animation Classes ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}