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

:root {
    /* 和風カラーパレット */
    --color-wabi: #f5f3ed;          /* 侘び色（生成り）*/
    --color-sabi: #8b7355;          /* 錆び色 */
    --color-cha: #4a3f35;           /* 茶色 */
    --color-sumi: #2c2c2c;          /* 墨色 */
    --color-bamboo: #7a9d54;        /* 竹色 */
    --color-light: #faf9f6;         /* 明るい和紙色 */
    --color-accent: #d4a574;        /* アクセント（金茶）*/
    
    /* Typography */
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Zen Kaku Gothic New', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    line-height: 1.8;
    color: var(--color-sumi);
    background-color: var(--color-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header & Navigation */
header {
    background-color: var(--color-cha);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: var(--spacing-sm) 0;
}

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

.nav-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.8;
}

.logo h1 {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 400;
    color: var(--color-light);
    letter-spacing: 0.2em;
    transition: color 0.3s ease;
}

.logo:hover h1 {
    color: var(--color-accent);
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--color-accent);
    letter-spacing: 0.3em;
    margin-top: -0.25rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-light);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

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

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

.nav-link.active {
    color: var(--color-accent);
}

.nav-link.active::after {
    width: 100%;
}

/* Language Switcher */
.language-switcher {
    position: relative;
}

.language-switcher select {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-light);
    border: 1px solid var(--color-accent);
    border-radius: 4px;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all 0.3s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23f5f3ed' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    padding-right: 2rem;
}

.language-switcher select:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: var(--color-light);
}

.language-switcher select:focus {
    outline: none;
    border-color: var(--color-light);
    box-shadow: 0 0 0 2px rgba(245, 243, 237, 0.2);
}

.language-switcher select option {
    background-color: var(--color-cha);
    color: var(--color-light);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-wabi) 0%, var(--color-light) 100%);
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('/images/ichiza.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.35;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle, transparent 1.5px, rgba(245, 243, 237, 0.7) 1.5px);
    background-size: 6px 6px;
    opacity: 0.8;
    z-index: 2;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 400;
    color: var(--color-cha);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.1em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-sabi);
    margin-bottom: var(--spacing-md);
    font-weight: 300;
}

.hero-divider {
    width: 80px;
    height: 2px;
    background-color: var(--color-sabi);
    margin: var(--spacing-md) auto;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-cha);
    line-height: 2;
}

/* Section Common Styles */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--color-cha);
    letter-spacing: 0.15em;
    margin-bottom: var(--spacing-sm);
}

.section-divider {
    width: 60px;
    height: 2px;
    background-color: var(--color-sabi);
    margin: 0 auto;
}

/* Services Section */
.services {
    background-color: var(--color-wabi);
}

.service-highlight {
    text-align: center;
    background-color: var(--color-light);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--color-accent);
}

.service-main-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--color-cha);
    margin-bottom: var(--spacing-sm);
}

.service-main-desc {
    font-size: 1.1rem;
    color: var(--color-sabi);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.service-card {
    background-color: var(--color-light);
    padding: var(--spacing-md);
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(139, 115, 85, 0.2);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--color-cha);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.service-card p {
    color: var(--color-sabi);
    line-height: 1.7;
}

.service-philosophy {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--color-light);
    border-radius: 8px;
    border-top: 2px solid var(--color-sabi);
    border-bottom: 2px solid var(--color-sabi);
}

.philosophy-text {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--color-cha);
    line-height: 2;
    font-style: italic;
}

/* History Section */
.history {
    background-color: var(--color-light);
}

.history-content {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.history-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-wabi);
    border-radius: 8px;
    border-left: 4px solid var(--color-bamboo);
}

.history-year {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-sabi);
    min-width: 100px;
}

.history-desc p {
    color: var(--color-cha);
    margin-bottom: var(--spacing-sm);
}

.history-detail {
    font-size: 0.95rem;
    color: var(--color-sabi) !important;
}

.company-info {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-md);
    background-color: var(--color-wabi);
    border-radius: 8px;
}

.company-info h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-cha);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.info-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.info-item {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-sm);
    background-color: var(--color-light);
    border-radius: 4px;
}

.info-label {
    font-size: 0.85rem;
    color: var(--color-sabi);
    margin-bottom: 0.25rem;
}

.info-value {
    font-size: 1.1rem;
    color: var(--color-cha);
    font-weight: 500;
}

.info-note {
    font-size: 0.8rem;
    color: var(--color-sabi);
    font-style: italic;
    margin-top: 0.25rem;
}

/* Contact Section */
.contact {
    background-color: var(--color-wabi);
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.contact-text {
    font-size: 1.1rem;
    color: var(--color-cha);
    line-height: 2;
    margin-bottom: var(--spacing-lg);
}

.contact-info {
    background-color: var(--color-light);
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 2px solid var(--color-sabi);
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.contact-label {
    font-size: 0.9rem;
    color: var(--color-sabi);
}

.contact-value {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-cha);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-value:hover {
    color: var(--color-accent);
}

.contact-note {
    font-size: 0.85rem;
    color: var(--color-sabi);
    font-style: italic;
}

/* Footer */
footer {
    background-color: var(--color-cha);
    color: var(--color-light);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    text-align: center;
}

.footer-logo h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    margin-bottom: var(--spacing-xs);
}

.footer-logo p {
    font-size: 0.9rem;
    color: var(--color-accent);
}

.footer-info {
    font-size: 0.85rem;
    color: rgba(245, 243, 237, 0.8);
}

.footer-info p {
    margin-bottom: 0.25rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .nav-wrapper {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-sm);
    }
    
    .language-switcher {
        margin-top: var(--spacing-xs);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .history-item {
        flex-direction: column;
    }
    
    .history-year {
        min-width: auto;
    }
}

/* Smooth Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card,
.history-item,
.company-info,
.contact-info {
    animation: fadeIn 0.6s ease-out;
}