/* Base Settings */
:root {
    --bg-color: #fdfcfb;
    --text-dark: #1a1a1a;
    --text-muted: #666;
    --accent: #4a5568;
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
    --border-color: #e5e5e5;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-dark);
    font-family: var(--font-sans);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-padding {
    padding: 120px 0;
}

.bg-soft {
    background-color: #f8f7f5;
}

/* Typography Styles */
h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
}

.sub-label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: 20px;
}

/* Header */
header {
    background: white;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
}
.logo {
    width: 100%;
    max-width: 21rem;
    display: flex;
    align-items: center;
}
.logo h1 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    letter-spacing: 0.2em;
    line-height: 1;
}

.logo span {
    font-size: 0.65rem;
    letter-spacing: 0.1em;
}

nav ul {
    display: flex;
    gap: 30px;
}

nav a {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
}

.btn-outline {
    border: 1px solid var(--border-color);
    padding: 10px 24px;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
}

/* Hero Section */
.hero-image {
    height: 74vh;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding-left: 10%;
    position: relative;
}

.hero-content h2 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 30px;
}

.hero-content p {
    font-size: 1rem;
    margin-bottom: 40px;
}

.arrow-link {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--text-dark);
    padding-bottom: 5px;
}

.arrow-link::after {
    content: " →";
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* About Section */
.about {
    overflow: hidden;
}
.about-text h3 {
    font-size: 2.5rem;
    margin-bottom: 30px;
}

.about-text p {
    margin-bottom: 40px;
    color: var(--text-muted);
}

.about-image img {
    width: 140%;
    object-fit: cover;
}

/* Service Card */
.service-card {
    text-align: left;
    padding: 40px 0;
}

.service-card .icon {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.service-card h4 {
    font-size: 1.2rem;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.service-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 25px;
}

.small-arrow {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    border-bottom: 1px solid #ccc;
}

/* Middle Banner */
.banner-image {
    height: 60vh;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding-left: 10%;
}

.banner-content {
    color: white;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.banner-content h3 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.banner-content .arrow-link {
    color: white;
    border-color: white;
}

/* news Section */
.news-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 50px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.news-item img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    margin-bottom: 15px;
}

.news-title {
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 5px;
    line-height: 1.5;
}

.news-date {
    font-size: 0.7rem;
    color: #999;
}

/* Footer */
footer {
    background-color: #fcfbf9;
    padding: 80px 0 40px;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 40px;
    margin-bottom: 80px;
}

.footer-brand h2 {
    font-size: 1.5rem;
    letter-spacing: 0.2em;
}

.footer-desc {
    margin-top: 20px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-links a {
    font-size: 0.75rem;
    display: block;
    margin-bottom: 15px;
    letter-spacing: 0.1em;
}

.footer-contact p {
    font-size: 0.8rem;
    margin-bottom: 10px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    font-size: 0.7rem;
    color: #999;
}

.footer-legal a {
    margin-left: 20px;
}

/* Responsive (Mobile) */
@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4, .footer-grid {
        grid-template-columns: 1fr;
    }
    .hero-content h2 {
        font-size: 2.5rem;
    }
    header nav {
        display: none; /* シンプルにするためスマホナビは非表示 */
    }
    .logo {
        max-width: 10rem;
    }
}