:root {
    --primary-color: #0d1b2a;
    /* Navy Blue */
    --secondary-color: #1b263b;
    /* Lighter Navy */
    --accent-color: #ffd700;
    /* Gold */
    --text-color: #333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
}

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

body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

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

/* Header */
.header {
    background-color: rgba(13, 27, 42, 0.95);
    color: var(--white);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--white);
}

.logo img {
    height: 40px;
    width: auto;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
    align-items: center;
}

.nav a {
    color: var(--white);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s;
}

.nav a:hover {
    color: var(--accent-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 25px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
    text-align: center;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #e6c200;
}

.btn-gold {
    background-color: var(--accent-color);
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 15px 40px;
    border: 2px solid var(--accent-color);
}

.btn-gold:hover {
    background-color: transparent;
    color: var(--accent-color);
}

.btn-line {
    background-color: #06C755;
    color: #fff;
    padding: 15px 50px;
    font-size: 1.2rem;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(6, 199, 85, 0.4);
}

.btn-line:hover {
    background-color: #05b34c;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    background-image: url('assets/hero.png');
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    color: var(--white);
    margin-top: 60px;
    /* Header height */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(13, 27, 42, 0.9), rgba(13, 27, 42, 0.4));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.3;
    font-weight: 700;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* General Sections */
.section {
    padding: 80px 0;
}

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

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
    color: var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
    margin: 15px auto 0;
}

/* Info Table */
.info-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.info-table th {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 15px;
    width: 30%;
    text-align: left;
}

.info-table td {
    padding: 15px;
    border-bottom: 1px solid #eee;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 30px;
    border-top: 5px solid var(--accent-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* Pricing */
.pricing-box {
    background: var(--white);
    max-width: 800px;
    margin: 0 auto;
    padding: 40px;
    border: 1px solid #ddd;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.price-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

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

.price-item .label {
    font-weight: bold;
    color: var(--primary-color);
}

.price-item .price {
    font-size: 1.2rem;
    color: var(--secondary-color);
}

.small {
    font-size: 0.8rem;
    color: #666;
}

/* Contact */
.contact-section {
    text-align: center;
}

.contact-desc {
    margin-bottom: 20px;
}

.contact-info {
    margin-bottom: 30px;
    font-weight: bold;
}

.line-btn-wrapper {
    margin-top: 20px;
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 20px 0;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 15px;
    }

    .nav ul {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .info-table th,
    .info-table td {
        display: block;
        width: 100%;
    }

    .info-table th {
        text-align: center;
    }
}