:root {
    --bg-color: #f8f9fa;
    --text-color: #333333;
    --primary-color: #1a1a1a;
    --accent-color: #c5a059;
    --secondary-bg: #ffffff;
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
}

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

body {
    font-family: var(--font-sans);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.8;
    overflow-x: hidden;
}

h1,
h2,
h3 {
    font-family: var(--font-serif);
    color: var(--primary-color);
}

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

ul {
    list-style: none;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.05);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-main {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.logo-sub {
    font-size: 0.8rem;
    color: var(--accent-color);
    margin-left: 0.5rem;
    font-weight: 400;
}

.nav ul {
    display: flex;
    gap: 3rem;
}

.nav a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
}

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

.nav a:hover::after {
    width: 100%;
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: url('../image/omihachiman3.jpg') no-repeat center center/cover;
    color: #fff;
    text-align: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(20, 20, 20, 0.4) 100%);
    z-index: 1;
}

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

.hero-title {
    font-size: 3.5rem;
    line-height: 1.4;
    margin-bottom: 2rem;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.1rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    opacity: 0.95;
    text-transform: uppercase;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

/* Sections */
.section {
    padding: 6rem 2rem;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: var(--accent-color);
    margin: 1rem auto 0;
}

/* About */
.about-card {
    background: var(--secondary-bg);
    padding: 4rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.03);
    border-radius: 4px;
    border-top: 3px solid var(--accent-color);
}

.about-info h3 {
    margin-bottom: 2rem;
    font-size: 1.8rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 1rem;
}

.about-info h3 .small {
    font-size: 1rem;
    color: #666;
    display: block;
    margin-top: 0.5rem;
}

.company-data {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 1.5rem;
}

.company-data dt {
    font-weight: bold;
    color: var(--accent-color);
}

/* Message - 代表メッセージ */
.message {
    background: #fff;
}

.message-card {
    background: var(--secondary-bg);
    padding: 4rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.03);
    border-radius: 4px;
    border-left: 4px solid var(--accent-color);
}

.message-content {
    max-width: 700px;
    margin: 0 auto;
}

.message-lead {
    font-size: 1.2rem;
    line-height: 2;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 2.5rem;
    text-align: center;
}

.message-block {
    margin-bottom: 2rem;
    line-height: 2;
}

.message-block p {
    margin-bottom: 0.5rem;
}

.message-list {
    padding-left: 1.5rem;
    margin: 1rem 0;
}

.message-list li {
    position: relative;
    padding-left: 1rem;
    margin-bottom: 0.3rem;
    color: #555;
}

.message-list li::before {
    content: '・';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.message-highlight {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--accent-color);
    text-align: center;
    margin: 1.5rem 0;
    padding: 1rem;
    background: rgba(197, 160, 89, 0.08);
    border-radius: 4px;
}

.message-traits li {
    font-weight: 500;
    color: var(--primary-color);
}

.message-closing {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid #eee;
}

.message-final {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-top: 1rem;
}

@media (max-width: 768px) {
    .message-card {
        padding: 2rem 1.5rem;
    }

    .message-lead {
        font-size: 1rem;
        text-align: left;
    }

    .message-highlight {
        font-size: 1rem;
        padding: 0.8rem;
    }
}


/* Business */
.business {
    background: #fff;
}

.business-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.business-item {
    background: var(--bg-color);
    padding: 3rem;
    border-radius: 4px;
    transition: 0.3s;
    display: block;
    /* Make anchor block */
    text-decoration: none;
    /* Remove underline */
    color: inherit;
    position: relative;
    border: 1px solid transparent;
}

.business-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
    border-color: var(--accent-color);
}

.read-more {
    display: inline-block;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--accent-color);
    font-weight: 500;
}

.business-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.jp-text {
    font-size: 1rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: #666;
}

.salon-list li {
    position: relative;
    padding-left: 1rem;
    margin-bottom: 0.5rem;
}

.salon-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}



/* Footer */
.footer {
    background: #000;
    color: #666;
    text-align: center;
    padding: 2rem;
    font-size: 0.8rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease, transform 1s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.2s;
}

.delay-2 {
    transition-delay: 0.4s;
}

/* Scroll Down */
.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0.8;
}

.scroll-down::after {
    content: '';
    display: block;
    width: 1px;
    height: 40px;
    background: #fff;
    margin: 10px auto 0;
    animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        transform: scaleY(1);
        transform-origin: top;
    }

    51% {
        transform: scaleY(1);
        transform-origin: bottom;
    }

    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

/* Base Responsive */
/* Mobile Navigation Trigger */
.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-color);
    margin: 5px 0;
    transition: 0.3s;
}

/* Base Responsive */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 1rem;
    }

    .hamburger {
        display: block;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        padding-top: 6rem;
        transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
        display: block;
        /* Ensure it's block for positioning */
    }

    .nav.active {
        right: 0;
    }

    .nav ul {
        flex-direction: column;
        gap: 2rem;
        align-items: center;
        width: 100%;
    }

    .nav a {
        font-size: 1.1rem;
        color: var(--text-color);
        font-weight: 500;
        display: block;
        padding: 0.5rem 0;
    }

    /* Hamburger Animation */
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .logo-main {
        font-size: 1.3rem;
    }

    .logo-sub {
        font-size: 0.7rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .company-data {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .company-data dt {
        margin-top: 1rem;
    }

    .business-grid {
        grid-template-columns: 1fr;
    }

    /* Company Name Optimization */
    .about-info h3 {
        font-size: 1.1rem;
        line-height: 1.6;
    }

    .company-name-separator {
        display: none;
    }

    .company-name-line {
        display: block;
        margin-bottom: 0.3rem;
        white-space: nowrap;
    }
}