/* ===================================
   合同会社ライフコネクト コーポレートLP
   エレガント & ラグジュアリーデザイン
   =================================== */

/* === Variables === */
:root {
    --navy: #0A1628;
    --navy-light: #15263D;
    --navy-lighter: #1F3654;
    --gold: #C9A84C;
    --gold-light: #D4B566;
    --gold-dark: #B09439;
    --white: #FFFFFF;
    --gray-light: #F5F5F5;
    --gray-medium: #E0E0E0;
    --gray-dark: #666666;
    
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
    
    --shadow-small: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-large: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-gold: 0 4px 20px rgba(201, 168, 76, 0.3);
}

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

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* === Utilities === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* === Navigation Bar === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    padding: 24px 0;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background-color: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    padding: 16px 0;
    box-shadow: var(--shadow-medium);
}

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

.logo-text {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 3px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background-color: var(--white);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-menu {
    display: flex;
    gap: 48px;
    list-style: none;
    align-items: center;
}

.nav-link {
    color: var(--white);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 1px;
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
    transition: var(--transition-smooth);
}

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

.nav-link.nav-cta {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--navy);
    padding: 12px 32px;
    border-radius: 30px;
    font-weight: 600;
    box-shadow: var(--shadow-gold);
}

.nav-link.nav-cta::after {
    display: none;
}

.nav-link.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(201, 168, 76, 0.4);
}

/* === Hero Section === */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 50%, var(--navy-lighter) 100%);
}

#particleCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, rgba(10, 22, 40, 0.5) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--white);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 900;
    letter-spacing: 4px;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--white) 0%, var(--gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 22px);
    font-weight: 400;
    letter-spacing: 2px;
    margin-bottom: 48px;
    opacity: 0.95;
}

.hero-cta {
    display: inline-block;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--navy);
    font-size: 18px;
    font-weight: 600;
    padding: 20px 56px;
    border-radius: 50px;
    letter-spacing: 1px;
    box-shadow: var(--shadow-gold);
    transition: var(--transition-smooth);
}

.hero-cta:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(201, 168, 76, 0.5);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-line {
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, transparent, var(--gold), transparent);
    animation: scrollAnimation 2s infinite;
}

@keyframes scrollAnimation {
    0%, 100% {
        opacity: 0;
        transform: translateY(-20px);
    }
    50% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade-in Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards;
}

.fade-in-up.delay-1 {
    animation-delay: 0.2s;
}

.fade-in-up.delay-2 {
    animation-delay: 0.4s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header.light .section-label,
.section-header.light .section-title,
.section-header.light .section-description {
    color: var(--white);
}

.section-label {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--gold);
    margin-bottom: 16px;
    text-transform: uppercase;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 24px;
    letter-spacing: 2px;
}

.section-description {
    font-size: 18px;
    color: var(--gray-dark);
    line-height: 1.8;
}

/* === About Section === */
.about {
    background-color: var(--gray-light);
}

.about-vision {
    text-align: center;
    margin-bottom: 80px;
}

.vision-title {
    font-family: var(--font-serif);
    font-size: clamp(28px, 3.5vw, 42px);
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 32px;
    letter-spacing: 1px;
}

.vision-text {
    font-size: 18px;
    color: var(--gray-dark);
    line-height: 2;
    max-width: 800px;
    margin: 0 auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 40px 20px;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-small);
    transition: var(--transition-smooth);
}

.stat-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: clamp(42px, 5vw, 56px);
    font-weight: 900;
    background: linear-gradient(135deg, var(--navy), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.stat-label {
    font-size: 16px;
    color: var(--gray-dark);
    font-weight: 500;
    letter-spacing: 1px;
}

/* === Services Section === */
.services {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--white);
    border: 2px solid var(--gray-medium);
    border-radius: 16px;
    padding: 48px 32px;
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.service-card:hover {
    border-color: var(--gold);
    transform: translateY(-12px);
    box-shadow: var(--shadow-large);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--navy), var(--navy-light));
    border-radius: 50%;
    font-size: 36px;
    color: var(--gold);
    transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--navy);
    transform: scale(1.1) rotate(5deg);
}

.service-title {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.service-description {
    font-size: 15px;
    color: var(--gray-dark);
    line-height: 1.8;
    margin-bottom: 24px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gold);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1px;
    transition: var(--transition-fast);
}

.service-link i {
    transition: var(--transition-fast);
}

.service-card:hover .service-link i {
    transform: translateX(4px);
}

/* === Company Section === */
.company {
    background-color: var(--gray-light);
}

.company-table-wrapper {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

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

.company-table th,
.company-table td {
    padding: 32px 40px;
    text-align: left;
    border-bottom: 1px solid var(--gray-medium);
}

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

.company-table th {
    width: 30%;
    font-weight: 700;
    color: var(--navy);
    background-color: var(--gray-light);
    font-size: 16px;
    letter-spacing: 1px;
}

.company-table td {
    color: var(--gray-dark);
    font-size: 16px;
    line-height: 1.9;
}

.company-table td a {
    color: var(--gold);
    font-weight: 500;
    transition: var(--transition-fast);
}

.company-table td a:hover {
    color: var(--gold-dark);
    text-decoration: underline;
}

/* === Contact Section === */
.contact {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
    color: var(--white);
}

.contact-form {
    max-width: 800px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.required {
    color: var(--gold);
}

.form-group input,
.form-group textarea {
    padding: 16px 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-family: inherit;
    font-size: 16px;
    transition: var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
    background-color: rgba(255, 255, 255, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.error-message {
    color: #ff6b6b;
    font-size: 13px;
    margin-top: 4px;
    display: none;
}

.error-message.show {
    display: block;
}

.form-actions {
    text-align: center;
    margin-top: 40px;
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--navy);
    font-size: 18px;
    font-weight: 700;
    padding: 20px 64px;
    border-radius: 50px;
    letter-spacing: 1px;
    box-shadow: var(--shadow-gold);
    transition: var(--transition-smooth);
}

.submit-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(201, 168, 76, 0.5);
}

.submit-btn i {
    transition: var(--transition-fast);
}

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

.success-message {
    display: none;
    text-align: center;
    padding: 48px;
    background: rgba(76, 175, 80, 0.2);
    border: 2px solid #4CAF50;
    border-radius: 16px;
    margin-top: 40px;
}

.success-message.show {
    display: block;
    animation: fadeInUp 0.5s forwards;
}

.success-message i {
    font-size: 48px;
    color: #4CAF50;
    margin-bottom: 16px;
}

.success-message p {
    font-size: 18px;
    line-height: 1.8;
}

/* === Footer === */
.footer {
    background-color: var(--navy);
    color: var(--white);
    padding: 80px 0 32px;
}

.footer-content {
    margin-bottom: 40px;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 24px;
    color: var(--gold);
}

.footer-address,
.footer-contact {
    font-size: 15px;
    line-height: 2;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 16px;
}

.footer-contact i {
    color: var(--gold);
    margin-right: 8px;
    width: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.5px;
}

/* === Back to Top Button === */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--navy);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: var(--shadow-gold);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(201, 168, 76, 0.5);
}

/* === Scroll Animations === */
.scroll-animate {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-animate.active {
    opacity: 1;
    transform: translateY(0);
}

/* === Responsive Design === */
@media (max-width: 992px) {
    section {
        padding: 80px 0;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 24px;
    }
    
    .company-table th,
    .company-table td {
        padding: 24px 32px;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--navy);
        flex-direction: column;
        justify-content: center;
        gap: 32px;
        transition: var(--transition-smooth);
        box-shadow: var(--shadow-large);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 18px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 48px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .company-table {
        display: block;
    }
    
    .company-table thead {
        display: none;
    }
    
    .company-table tr {
        display: block;
        margin-bottom: 32px;
        border-bottom: 2px solid var(--gray-medium);
        padding-bottom: 32px;
    }
    
    .company-table tr:last-child {
        margin-bottom: 0;
        padding-bottom: 0;
        border-bottom: none;
    }
    
    .company-table th,
    .company-table td {
        display: block;
        width: 100%;
        padding: 12px 24px;
        text-align: left;
        border-bottom: none;
    }
    
    .company-table th {
        background-color: transparent;
        font-size: 14px;
        padding-bottom: 4px;
    }
    
    .company-table td {
        padding-top: 4px;
        padding-bottom: 24px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .back-to-top {
        bottom: 24px;
        right: 24px;
        width: 48px;
        height: 48px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-cta {
        padding: 16px 40px;
        font-size: 16px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: 32px 24px;
    }
}