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

body {
    font-family: 'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #faf9f7;
    font-smoothing: antialiased;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 明朝体を大きい文字・見出しに適用 */
h1, h2, h3, h4, h5, h6,
.hero-title, .hero-subtitle, .hero-description,
.service-title, .service-name,
.feature-title {
    font-family: 'Noto Serif JP', 'Times New Roman', serif !important;
}

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

/* Header and Navigation styles moved to common.css */

/* Hero Section */
.hero-section {
    display: flex;
    align-items: center;
    min-height: 100vh;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f6f0 0%, #f2ede5 100%);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/business-hero.jpg') center/cover;
    opacity: 0.7;
    z-index: 1;
    filter: sepia(5%) saturate(90%) brightness(105%) contrast(100%);
}

.hero-content {
    flex: 1;
    padding: 80px 60px;
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    margin-left: 5%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(139, 69, 19, 0.1);
}

.hero-title {
    font-size: 3rem;
    font-weight: 200;
    color: #8B4513;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: #8B4513;
    margin-bottom: 30px;
    font-style: italic;
    opacity: 0.8;
}

.hero-description {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
    font-weight: 400;
}

/* Section Common Styles */
section {
    padding: 120px 0;
}

section h2 {
    font-size: 18px;
    color: #8B4513;
    text-align: center;
    margin-bottom: 15px;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    opacity: 0.8;
}

section h3 {
    font-size: 32px;
    color: #333;
    text-align: center;
    margin-bottom: 80px;
    font-weight: 300;
    letter-spacing: 1px;
}

.korean {
    font-size: 24px;
    color: #666;
    font-weight: 400;
    margin-left: 20px;
}

/* Therapy Introduction */
.therapy-intro {
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
}

.therapy-content {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.therapy-description {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    text-align: justify;
}

.therapy-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    filter: sepia(3%) saturate(95%) brightness(98%) contrast(102%);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

/* LHA Solution */
.lha-solution {
    background: linear-gradient(135deg, #f8f6f0 0%, #f2ede5 100%);
}

.solution-content {
    max-width: 900px;
    margin: 0 auto;
}

.solution-description {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    text-align: justify;
    margin-bottom: 60px;
}

.product-showcase {
    text-align: center;
}

.product-image img {
    max-width: 600px;
    width: 100%;
    height: auto;
    filter: sepia(3%) saturate(95%) brightness(98%) contrast(102%);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

/* KWANG&SOO Ampoule */
.kwangsoo-ampoule {
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
}

.ampoule-content {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.ampoule-description {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    text-align: justify;
}

.ampoule-products img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    filter: sepia(3%) saturate(95%) brightness(98%) contrast(102%);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

/* FOOT Improve */
.foot-improve {
    background: linear-gradient(135deg, #f8f6f0 0%, #f2ede5 100%);
}

.foot-content {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    align-items: flex-start;
}

.foot-products img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    filter: sepia(3%) saturate(95%) brightness(98%) contrast(102%);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.effects-table {
    display: grid;
    gap: 20px;
}

.effect-item {
    background: white;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.effect-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.effect-title {
    font-size: 16px;
    font-weight: 600;
    color: #8B4513;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid #8B4513;
    display: inline-block;
}

.effect-description {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* Product Lineup */
.product-lineup {
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
    padding: 80px 0;
}

.products-gallery img {
    width: 100%;
    height: auto;
    filter: sepia(3%) saturate(95%) brightness(98%) contrast(102%);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

/* Footer */
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 40px 0;
}

/* Responsive Design */
@media (max-width: 968px) {
    .therapy-content,
    .ampoule-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .foot-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    section h3 {
        font-size: 28px;
    }
    
    .korean {
        display: block;
        margin-left: 0;
        margin-top: 10px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-content {
        margin-left: 0;
        max-width: none;
        padding: 40px 20px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    section {
        padding: 80px 0;
    }
    
    section h3 {
        font-size: 24px;
        margin-bottom: 60px;
    }
    
    .effects-table {
        gap: 15px;
    }
    
    .effect-item {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    section h3 {
        font-size: 20px;
    }
    
    .korean {
        font-size: 18px;
    }
    
    .effect-item {
        padding: 15px;
    }
    
    .effect-title {
        font-size: 14px;
    }
    
    .effect-description {
        font-size: 13px;
    }
}

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

/* Loading Animation */
.product-image img,
.therapy-image img,
.ampoule-products img,
.foot-products img,
.products-gallery img {
    transition: all 0.3s ease;
}

.product-image img:hover,
.therapy-image img:hover,
.ampoule-products img:hover,
.foot-products img:hover,
.products-gallery img:hover {
    transform: scale(1.02);
    filter: sepia(0%) saturate(100%) brightness(102%) contrast(105%);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #8B4513;
}

::-webkit-scrollbar-thumb:hover {
    background: #654321;
}