/* ===========================
   INTRA株式会社 - Corporate Website
   Modern, Clean, Professional Design
   =========================== */

/* ---------- CSS Variables ---------- */
:root {
    /* Primary Colors */
    --primary: #1a1a2e;
    --primary-light: #16213e;
    --accent: #c9a84c;
    --accent-light: #dfc373;
    --accent-dark: #a88a3a;

    /* Business Colors */
    --realestate: #2d6a8f;
    --realestate-light: #3a8ab5;
    --warabi: #5e7a3d;
    --warabi-light: #7a9e52;
    --warabi-dark: #4a6130;
    --education: #8b4a6b;
    --education-light: #a85f87;

    /* Neutrals */
    --white: #ffffff;
    --off-white: #f8f7f4;
    --light-gray: #f0efe9;
    --gray: #d1cfc7;
    --medium-gray: #8a8880;
    --dark-gray: #4a4940;
    --black: #1a1918;

    /* Typography */
    --font-sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Noto Serif JP', Georgia, serif;
    --font-display: 'Playfair Display', serif;

    /* Spacing */
    --section-padding: 120px;
    --container-max: 1200px;

    /* Transitions */
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.1);
    --shadow-xl: 0 30px 80px rgba(0,0,0,0.15);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-sans);
    color: var(--black);
    background: var(--white);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- HEADER ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(0,0,0,0.06);
}

.header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.header.scrolled .logo-img {
    height: 42px;
}

.logo-main {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--white);
    transition: var(--transition);
}

.header.scrolled .logo-main {
    color: var(--primary);
}

.logo-sub {
    font-size: 0.7rem;
    font-weight: 400;
    color: rgba(255,255,255,0.7);
    letter-spacing: 0.1em;
    transition: var(--transition);
}

.header.scrolled .logo-sub {
    color: var(--medium-gray);
}

/* Navigation */
.nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    display: inline-block;
    padding: 8px 18px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: rgba(255,255,255,0.85);
    border-radius: 6px;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--white);
    background: rgba(255,255,255,0.1);
}

.header.scrolled .nav-link {
    color: var(--dark-gray);
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
    color: var(--primary);
    background: var(--light-gray);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    gap: 6px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
    border-radius: 2px;
}

.header.scrolled .hamburger span {
    background: var(--primary);
}

.hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ---------- HERO ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #0f0c29 0%, #1a1a2e 30%, #16213e 60%, #0a3d62 100%);
    z-index: 0;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(201, 168, 76, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(42, 106, 143, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(139, 74, 107, 0.06) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 24px;
    max-width: 800px;
}

.hero-label {
    font-family: var(--font-display);
    font-size: 0.95rem;
    letter-spacing: 0.3em;
    color: var(--accent);
    margin-bottom: 24px;
    text-transform: uppercase;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.3;
    color: var(--white);
    margin-bottom: 28px;
    letter-spacing: 0.04em;
}

.text-accent {
    color: var(--accent);
    position: relative;
}

.text-accent::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent);
    opacity: 0.4;
    border-radius: 2px;
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.7);
    line-height: 2;
    margin-bottom: 48px;
    letter-spacing: 0.02em;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    border-radius: 8px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--accent);
    color: var(--primary);
}

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(201, 168, 76, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1.5px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
    border-color: var(--white);
    background: rgba(255,255,255,0.05);
    transform: translateY(-2px);
}

/* Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero-scroll a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.5);
}

.scroll-text {
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    writing-mode: vertical-rl;
}

.scroll-line {
    display: block;
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
}

/* ---------- SECTIONS COMMON ---------- */
.section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 72px;
}

.section-label {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 0.25em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.06em;
    margin-bottom: 20px;
}

.section-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    margin: 0 auto 20px;
    border-radius: 2px;
}

.section-description {
    font-size: 1rem;
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.9;
}

/* ---------- ABOUT ---------- */
.about {
    background: var(--off-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-heading {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 600;
    line-height: 1.6;
    color: var(--primary);
    margin-bottom: 24px;
    letter-spacing: 0.03em;
}

.about-description {
    font-size: 0.95rem;
    color: var(--dark-gray);
    line-height: 2;
    margin-bottom: 16px;
}

.about-stats {
    display: flex;
    gap: 32px;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--gray);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.stat-icon {
    font-size: 2rem;
    color: var(--accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--medium-gray);
    letter-spacing: 0.06em;
}

/* About Cards */
.about-visual {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-card {
    background: var(--white);
    padding: 28px 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.about-card-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.1rem;
}

.about-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 6px;
}

.about-card p {
    font-size: 0.88rem;
    color: var(--medium-gray);
    line-height: 1.7;
}

/* ---------- BUSINESS ---------- */
.business {
    background: var(--white);
}

.business-card {
    position: relative;
    background: var(--white);
    border-radius: 24px;
    overflow: hidden;
    margin-bottom: 48px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-slow);
}

.business-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.business-card:last-child {
    margin-bottom: 0;
}

.business-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 8px;
    height: 100%;
    z-index: 1;
}

.business-bg-realestate { background: linear-gradient(180deg, var(--realestate), var(--realestate-light)); }
.business-bg-warabi { background: linear-gradient(180deg, var(--warabi), var(--warabi-light)); }
.business-bg-education { background: linear-gradient(180deg, var(--education), var(--education-light)); }

.business-card-content {
    position: relative;
    z-index: 2;
    padding: 52px 56px;
}

.business-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--realestate), var(--realestate-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 20px;
}

.warabi-icon { background: linear-gradient(135deg, var(--warabi), var(--warabi-light)); }
.education-icon { background: linear-gradient(135deg, var(--education), var(--education-light)); }

.business-badge {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--realestate);
    margin-bottom: 12px;
}

.warabi-badge { color: var(--warabi); }
.education-badge { color: var(--education); }

.business-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
    letter-spacing: 0.04em;
}

.business-subtitle {
    font-size: 0.95rem;
    color: var(--medium-gray);
    margin-bottom: 32px;
}

.business-details {
    margin-bottom: 32px;
}

/* Features Grid */
.business-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(45, 106, 143, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    color: var(--realestate);
}

.education-feature-icon {
    background: rgba(139, 74, 107, 0.08);
    color: var(--education);
}

.feature-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.feature-item p {
    font-size: 0.85rem;
    color: var(--medium-gray);
    line-height: 1.7;
}

/* Warabi Products */
.warabi-products {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.warabi-product {
    background: var(--off-white);
    padding: 28px;
    border-radius: 16px;
    border: 1px solid rgba(94, 122, 61, 0.1);
    transition: var(--transition);
}

.warabi-product:hover {
    border-color: rgba(94, 122, 61, 0.3);
    box-shadow: var(--shadow-sm);
}

.warabi-product-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.warabi-product-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--warabi), var(--warabi-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.9rem;
}

.warabi-product-header h4 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
}

.warabi-tag {
    font-size: 0.68rem;
    padding: 3px 10px;
    background: var(--warabi);
    color: var(--white);
    border-radius: 20px;
    letter-spacing: 0.04em;
    font-weight: 500;
}

.tag-wholesale {
    background: var(--realestate);
}

.warabi-product p {
    font-size: 0.88rem;
    color: var(--dark-gray);
    line-height: 1.8;
}

.warabi-product strong {
    color: var(--warabi-dark);
    font-weight: 600;
}

/* Business Button */
.btn-business {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--white);
    background: linear-gradient(135deg, var(--realestate), var(--realestate-light));
    border-radius: 8px;
    letter-spacing: 0.04em;
}

.btn-business:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(45, 106, 143, 0.3);
}

.btn-business i {
    font-size: 0.75rem;
    transition: var(--transition);
}

.btn-business:hover i {
    transform: translateX(4px);
}

.btn-warabi {
    background: linear-gradient(135deg, var(--warabi), var(--warabi-light));
}

.btn-warabi:hover {
    box-shadow: 0 8px 25px rgba(94, 122, 61, 0.3);
}

.btn-education {
    background: linear-gradient(135deg, var(--education), var(--education-light));
}

.btn-education:hover {
    box-shadow: 0 8px 25px rgba(139, 74, 107, 0.3);
}

/* ---------- COMPANY ---------- */
.company {
    background: var(--off-white);
}

.company-table-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.company-table {
    width: 100%;
    border-collapse: collapse;
}

.company-table tr {
    border-bottom: 1px solid var(--light-gray);
}

.company-table tr:last-child {
    border-bottom: none;
}

.company-table th,
.company-table td {
    padding: 22px 32px;
    text-align: left;
    font-size: 0.93rem;
    vertical-align: top;
}

.company-table th {
    width: 200px;
    background: rgba(26, 26, 46, 0.03);
    font-weight: 600;
    color: var(--primary);
    white-space: nowrap;
    letter-spacing: 0.04em;
}

.company-table th i {
    color: var(--accent);
    margin-right: 10px;
    font-size: 0.85rem;
}

.company-table td {
    color: var(--dark-gray);
    line-height: 1.8;
}

.company-business-list {
    list-style: none;
}

.company-business-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 6px;
}

.company-business-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 11px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
}

.company-link {
    color: var(--realestate);
    font-weight: 500;
    border-bottom: 1px dashed rgba(45, 106, 143, 0.3);
}

.company-link:hover {
    color: var(--realestate-light);
    border-bottom-color: var(--realestate-light);
}

/* ---------- CONTACT ---------- */
.contact {
    background: var(--white);
}

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

.contact-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.contact-card {
    background: var(--off-white);
    padding: 32px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.contact-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-sm);
    transform: translateY(-4px);
}

.contact-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--white);
    margin: 0 auto 16px;
}

.contact-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 10px;
}

.contact-card-info a {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-dark);
    letter-spacing: 0.06em;
}

.contact-card-note {
    font-size: 0.78rem;
    color: var(--medium-gray);
    margin-top: 6px;
}

.contact-card-desc {
    font-size: 0.85rem;
    color: var(--medium-gray);
    line-height: 1.7;
}

/* Contact CTA */
.contact-cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 16px;
    padding: 40px;
    text-align: center;
}

.contact-cta-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.contact-cta-inner > i {
    font-size: 2rem;
    color: var(--accent);
}

.contact-cta-text {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 6px;
}

.contact-cta-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.08em;
}

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

/* ---------- FOOTER ---------- */
.footer {
    background: var(--primary);
    color: rgba(255,255,255,0.6);
    padding: 72px 0 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 16px;
}

.footer-logo-img {
    height: 44px;
    width: auto;
    object-fit: contain;
}

.footer-logo .logo-main {
    color: var(--white);
    font-size: 1.6rem;
}

.footer-logo .logo-sub {
    color: rgba(255,255,255,0.5);
}

.footer-tagline {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.4);
}

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

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: 0.06em;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-col ul li a:hover {
    color: var(--accent);
    transform: translateX(4px);
}

.footer-col ul li a i {
    font-size: 0.75rem;
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 0.78rem;
    color: rgba(255,255,255,0.3);
    letter-spacing: 0.04em;
}

/* ---------- BACK TO TOP ---------- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--primary);
    color: var(--white);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 900;
    box-shadow: var(--shadow-md);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent);
    color: var(--primary);
    transform: translateY(-4px);
}

/* ---------- ANIMATIONS ---------- */
[data-animate] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-animate="fade-right"] {
    transform: translateX(-40px);
}

[data-animate="fade-left"] {
    transform: translateX(40px);
}

[data-animate].animated {
    opacity: 1;
    transform: translateX(0) translateY(0);
}

/* ---------- PARTICLE ---------- */
.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(201, 168, 76, 0.15);
    pointer-events: none;
    animation: floatParticle linear infinite;
}

@keyframes floatParticle {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-10vh) rotate(720deg); opacity: 0; }
}

/* ---------- RECRUIT ---------- */
.recruit {
    background: var(--white);
}

.recruit-banner {
    max-width: 900px;
    margin: 0 auto;
}

.recruit-banner-inner {
    background: linear-gradient(135deg, var(--off-white), var(--light-gray));
    border-radius: 24px;
    padding: 56px;
    text-align: center;
    border: 1px solid var(--gray);
}

.recruit-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: var(--white);
}

.recruit-heading {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 12px;
    letter-spacing: 0.06em;
}

.recruit-lead {
    font-size: 1rem;
    color: var(--dark-gray);
    margin-bottom: 36px;
    line-height: 1.8;
}

.recruit-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 32px;
    text-align: left;
}

.recruit-feature {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    background: var(--white);
    padding: 24px;
    border-radius: 14px;
    box-shadow: var(--shadow-sm);
}

.recruit-feature-icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(201, 168, 76, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--accent-dark);
}

.recruit-feature h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.recruit-feature p {
    font-size: 0.82rem;
    color: var(--medium-gray);
    line-height: 1.7;
}

.recruit-message {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: var(--white);
    padding: 28px;
    border-radius: 14px;
    text-align: left;
    margin-bottom: 36px;
    border: 2px solid var(--accent);
    box-shadow: 0 4px 20px rgba(201, 168, 76, 0.1);
}

.recruit-message-icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--white);
}

.recruit-message h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-dark);
    margin-bottom: 6px;
}

.recruit-message p {
    font-size: 0.9rem;
    color: var(--dark-gray);
    line-height: 1.8;
}

.recruit-message strong {
    color: var(--accent-dark);
}

.recruit-cta p {
    font-size: 0.88rem;
    color: var(--medium-gray);
    margin-bottom: 16px;
}

.recruit-cta-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-outline-dark {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    border-radius: 8px;
    cursor: pointer;
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--gray);
    transition: var(--transition);
}

.btn-outline-dark:hover {
    border-color: var(--accent);
    background: rgba(201, 168, 76, 0.05);
    transform: translateY(-2px);
}

/* Contact email */
.contact-cta-email {
    margin-top: 8px;
}

.contact-cta-email a {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}

.contact-cta-email a:hover {
    color: var(--accent);
}

.contact-cta-email i {
    margin-right: 6px;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .business-features,
    .warabi-products {
        grid-template-columns: 1fr;
    }

    .business-card-content {
        padding: 36px 40px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 64px;
    }

    .hamburger {
        display: flex;
    }

    .nav {
        position: fixed;
        inset: 0;
        background: rgba(26, 26, 46, 0.98);
        backdrop-filter: blur(20px);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 999;
    }

    .nav.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        gap: 8px;
    }

    .nav-link {
        font-size: 1.2rem;
        padding: 12px 32px;
        color: rgba(255,255,255,0.85);
    }

    .nav-link:hover, .nav-link.active {
        background: rgba(255,255,255,0.1);
        color: var(--white);
    }

    .header.scrolled .nav-link {
        color: rgba(255,255,255,0.85);
    }

    .header.scrolled .nav-link:hover,
    .header.scrolled .nav-link.active {
        color: var(--white);
        background: rgba(255,255,255,0.1);
    }

    .hamburger.active span {
        background: var(--white) !important;
    }

    .hero-title {
        font-size: clamp(2rem, 7vw, 3rem);
    }

    .hero-description {
        font-size: 0.95rem;
    }

    .section-header {
        margin-bottom: 48px;
    }

    .about-stats {
        justify-content: center;
    }

    .business-card-content {
        padding: 28px 24px;
    }

    .business-title {
        font-size: 1.4rem;
    }

    .company-table th,
    .company-table td {
        display: block;
        width: 100%;
        padding: 12px 24px;
    }

    .company-table th {
        padding-bottom: 4px;
        background: none;
        font-size: 0.82rem;
        color: var(--accent-dark);
    }

    .company-table td {
        padding-top: 4px;
        padding-bottom: 20px;
    }

    .contact-cards {
        grid-template-columns: 1fr;
    }

    .recruit-features {
        grid-template-columns: 1fr;
    }

    .recruit-banner-inner {
        padding: 32px 20px;
    }

    .contact-cta {
        padding: 28px 20px;
    }

    .contact-cta-inner {
        flex-direction: column;
        gap: 16px;
    }

    .contact-cta-number {
        font-size: 1.6rem;
    }

    .footer-links {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .about-stats {
        flex-direction: column;
        align-items: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* ---------- PAGE COMMON STYLES ---------- */
.page-hero {
    position: relative;
    padding: 160px 0 80px;
    text-align: center;
    overflow: hidden;
}

.page-hero-realestate {
    background: linear-gradient(135deg, #1a3a52 0%, #2d6a8f 100%);
}

.page-hero-warabi {
    background: linear-gradient(135deg, #3a4f28 0%, #5e7a3d 100%);
}

.page-hero-education {
    background: linear-gradient(135deg, #5a2d45 0%, #8b4a6b 100%);
}

.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(255,255,255,0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 30%, rgba(201, 168, 76, 0.08) 0%, transparent 50%);
}

.page-hero-content {
    position: relative;
    z-index: 1;
}

.page-hero-badge {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.8rem;
    letter-spacing: 0.3em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 16px;
}

.page-hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: 0.06em;
}

.page-hero-desc {
    font-size: 1rem;
    color: rgba(255,255,255,0.7);
    max-width: 600px;
    margin: 0 auto;
}

.page-section {
    padding: 80px 0;
}

.page-section:nth-child(even) {
    background: var(--off-white);
}

/* Breadcrumbs */
.breadcrumbs {
    padding: 12px 0;
    background: var(--off-white);
    border-bottom: 1px solid var(--light-gray);
}

.breadcrumbs-list {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--medium-gray);
}

.breadcrumbs-list a {
    color: var(--realestate);
}

.breadcrumbs-list a:hover {
    color: var(--accent);
}

.breadcrumbs-list .separator {
    font-size: 0.65rem;
}

/* Detail Cards for subpages */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.detail-card {
    background: var(--white);
    border-radius: 16px;
    padding: 36px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid transparent;
}

.detail-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.detail-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--white);
    margin-bottom: 20px;
}

.detail-card-icon.realestate { background: linear-gradient(135deg, var(--realestate), var(--realestate-light)); }
.detail-card-icon.warabi { background: linear-gradient(135deg, var(--warabi), var(--warabi-light)); }
.detail-card-icon.education { background: linear-gradient(135deg, var(--education), var(--education-light)); }

.detail-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 12px;
}

.detail-card p {
    font-size: 0.9rem;
    color: var(--medium-gray);
    line-height: 1.8;
}

/* CTA Banner */
.cta-banner {
    padding: 80px 0;
    text-align: center;
}

.cta-banner-inner {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 24px;
    padding: 60px 40px;
}

.cta-banner-inner h2 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--white);
    margin-bottom: 16px;
}

.cta-banner-inner p {
    color: rgba(255,255,255,0.6);
    margin-bottom: 32px;
    font-size: 0.95rem;
}

.cta-banner .btn-primary {
    font-size: 1rem;
    padding: 16px 40px;
}