/* Base Styles */
:root {
    --primary-blue: #0A1E50; /* ロゴの深い青 */
    --accent-gold: #D4AF37; /* 高級感と温かみのあるゴールド */
    --warm-bg: #FDFBF7; /* 温かみのあるクリーム色 */
    --text-color: #333;
    --white: #ffffff;
}

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

body {
    font-family: 'Lato', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--warm-bg);
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

/* Navigation */
.navbar {
    background: var(--white);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-blue);
}

.logo img {
    height: 150px; /* ロゴ画像のサイズ調整 */
    width: auto;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-blue);
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--white) !important;
    padding: 0.5rem 1.2rem;
    border-radius: 25px; /* 丸みをつけて親しみやすく */
    transition: background 0.3s;
}

.btn-primary:hover {
    background-color: #1a3a7a;
}

/* Hero Section */
.hero {
    /* 日本的な美しい風景（Unsplashの画像を使用） */
    background-image: url('https://images.unsplash.com/photo-1493976040374-85c8e12f0c0e?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    text-align: center;
    color: var(--white);
}

/* 少し暖色系のオーバーレイをかけて、冷たさを消す */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(10, 30, 80, 0.6), rgba(60, 40, 20, 0.3)); 
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-family: 'Noto Serif JP', serif; /* 和の品格 */
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-hero {
    display: inline-block;
    background-color: var(--accent-gold);
    color: #fff;
    padding: 1rem 2.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.btn-hero:hover {
    transform: translateY(-3px);
    background-color: #c49f27;
}

/* Sections */
.section-padding {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-blue);
    font-size: 2rem;
    position: relative;
}

/* About Section */
.bg-warm {
    background-color: #fff8f0; /* 薄いオレンジベージュ */
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1rem;
    color: #555;
}

.about-text .lead {
    font-size: 1.25rem;
    color: var(--primary-blue);
    font-weight: bold;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-top: 4px solid var(--primary-blue);
    transition: transform 0.3s;
}

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

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

/* Contact Page Specifics */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    background: var(--white);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.contact-info h2 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.info-item {
    margin-top: 1.5rem;
    padding-left: 1rem;
    border-left: 3px solid var(--accent-gold);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: var(--primary-blue);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
}

.btn-submit {
    background-color: var(--primary-blue);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    width: 100%;
    transition: background 0.3s;
}

.btn-submit:hover {
    background-color: #1a3a7a;
}

/* Footer */
footer {
    background-color: var(--primary-blue);
    color: var(--white);
    text-align: center;
    padding: 2rem 0;
    margin-top: auto;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .about-grid, .contact-wrapper { grid-template-columns: 1fr; }
    .nav-links { display: none; } /* Simplified for demo */
}