/* ================================================
   MEGLAS HOME Corporate Landing Page Styles
   ================================================ */

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

:root {
    /* MEGLAS Color Palette - Sophisticated & Trustworthy */
    --color-primary: #2c3e50;
    --color-secondary: #34495e;
    --color-accent: #c9a876;
    --color-accent-light: #e4d4b8;
    --color-dark: #1a1a1a;
    --color-white: #ffffff;
    --color-gray-light: #f8f9fa;
    --color-gray: #95a5a6;
    --color-gray-dark: #7f8c8d;
    --color-text: #333333;
    --color-text-light: #666666;
    
    /* Typography */
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-secondary: 'Montserrat', sans-serif;
    
    /* Spacing */
    --section-padding: 120px;
    --section-padding-mobile: 60px;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-speed: 0.3s;
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    background-color: var(--color-white);
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ================================================
   Header
   ================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-speed) var(--transition-smooth);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo a {
    display: flex;
    align-items: center;
}

.logo-image {
    height: 45px;
    width: auto;
    transition: all var(--transition-speed) var(--transition-smooth);
}

.logo-image:hover {
    opacity: 0.8;
}

.logo-text {
    font-family: var(--font-secondary);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-primary);
}

.logo-subtitle {
    font-family: var(--font-secondary);
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 3px;
    color: var(--color-accent);
}

.nav-list {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    color: var(--color-text);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-speed) var(--transition-smooth);
}

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

.nav-link.btn-contact {
    padding: 10px 24px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 30px;
}

.nav-link.btn-contact::after {
    display: none;
}

.nav-link.btn-contact:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(201, 168, 118, 0.3);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: var(--color-primary);
    transition: all var(--transition-speed) var(--transition-smooth);
}

.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(7px, -7px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 74px;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed) var(--transition-smooth);
    z-index: 999;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu-list {
    padding: 30px 20px;
}

.mobile-menu-link {
    display: block;
    padding: 15px 20px;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-gray-light);
    transition: all var(--transition-speed);
}

.mobile-menu-link:hover {
    color: var(--color-accent);
    padding-left: 30px;
}

/* ================================================
   Hero Section
   ================================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.8;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.4) 0%, rgba(52, 73, 94, 0.35) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
}

.hero-title {
    margin-bottom: 30px;
}

.hero-title-main {
    display: block;
    font-family: var(--font-secondary);
    font-size: 64px;
    font-weight: 700;
    letter-spacing: 4px;
    margin-bottom: 15px;
    line-height: 1.2;
}

.hero-title-sub {
    display: block;
    font-size: 24px;
    font-weight: 300;
    letter-spacing: 8px;
}

.hero-description {
    font-size: 18px;
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: 50px;
    opacity: 0.95;
    line-height: 1.8;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 18px 50px;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 2px;
    border-radius: 50px;
    transition: all var(--transition-speed) var(--transition-smooth);
}

.hero-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(201, 168, 118, 0.4);
    background-color: var(--color-accent-light);
}

.hero-btn i {
    transition: transform var(--transition-speed);
}

.hero-btn:hover i {
    transform: translateX(5px);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--color-white);
    opacity: 0.7;
    z-index: 2;
}

.scroll-indicator span {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 3px;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background-color: var(--color-white);
    animation: scrollAnimation 2s infinite;
}

@keyframes scrollAnimation {
    0% {
        height: 0;
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        height: 40px;
        opacity: 0;
    }
}

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

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

.section-number {
    display: inline-block;
    font-family: var(--font-secondary);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--color-accent);
    margin-bottom: 20px;
}

.section-title {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.section-title-en {
    font-family: var(--font-secondary);
    font-size: 48px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--color-primary);
}

.section-title-ja {
    font-size: 18px;
    font-weight: 400;
    letter-spacing: 3px;
    color: var(--color-text-light);
}

.section-description {
    margin-top: 20px;
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ================================================
   Corporate Section
   ================================================ */
.corporate {
    background-color: var(--color-white);
}

.corporate-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.corporate-lead {
    font-size: 24px;
    font-weight: 500;
    line-height: 1.8;
    color: var(--color-primary);
    margin-bottom: 30px;
}

.corporate-description {
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-text-light);
    margin-bottom: 50px;
}

.corporate-features {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent-light);
    border-radius: 50%;
    color: var(--color-accent);
    font-size: 20px;
}

.feature-text h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 5px;
}

.feature-text p {
    font-size: 14px;
    color: var(--color-text-light);
}

.corporate-image {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.corporate-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(201, 168, 118, 0.2) 0%, transparent 100%);
}

.corporate-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform 0.6s var(--transition-smooth);
}

.corporate-image:hover img {
    transform: scale(1.05);
}

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

.construction-slider-wrapper {
    position: relative;
    padding: 0 60px;
}

.case-card {
    background-color: var(--color-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-speed) var(--transition-smooth);
    cursor: pointer;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.case-image {
    position: relative;
    overflow: hidden;
    height: 300px;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--transition-smooth);
}

.case-card:hover .case-image img {
    transform: scale(1.1);
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-speed) var(--transition-smooth);
}

.case-card:hover .case-overlay {
    opacity: 1;
}

.case-view-btn {
    padding: 12px 30px;
    background-color: var(--color-white);
    color: var(--color-primary);
    border: none;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all var(--transition-speed);
}

.case-view-btn:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
    transform: scale(1.05);
}

.case-content {
    padding: 25px;
}

.case-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.case-category {
    font-size: 13px;
    color: var(--color-accent);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.case-description {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Swiper Navigation */
.swiper-button-prev,
.swiper-button-next {
    width: 50px;
    height: 50px;
    background-color: var(--color-white);
    border-radius: 50%;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-speed);
}

.swiper-button-prev::after,
.swiper-button-next::after {
    display: none;
}

.swiper-button-prev i,
.swiper-button-next i {
    font-size: 18px;
    color: var(--color-primary);
}

.swiper-button-prev:hover,
.swiper-button-next:hover {
    background-color: var(--color-accent);
    transform: scale(1.1);
}

.swiper-button-prev:hover i,
.swiper-button-next:hover i {
    color: var(--color-white);
}

.construction-prev {
    left: 0;
}

.construction-next {
    right: 0;
}

/* ================================================
   Modal
   ================================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    cursor: pointer;
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 1100px;
    max-height: 85vh;
    height: 85vh;
    background-color: var(--color-white);
    border-radius: 10px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 60% 40%;
    animation: modalFadeIn 0.3s var(--transition-smooth);
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background-color: var(--color-white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-speed);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.modal-close:hover {
    background-color: var(--color-accent);
    transform: rotate(90deg);
}

.modal-close i {
    font-size: 18px;
    color: var(--color-primary);
}

.modal-close:hover i {
    color: var(--color-white);
}

.modal-gallery {
    position: relative;
    background-color: var(--color-dark);
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.modal-gallery .modalSwiper {
    width: 100%;
    height: 100%;
}

.modal-gallery .swiper-wrapper {
    height: 100%;
}

.modal-gallery .swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.modal-gallery img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.modal-prev,
.modal-next {
    width: 40px;
    height: 40px;
}

.swiper-pagination {
    bottom: 20px !important;
}

.swiper-pagination-bullet {
    background-color: var(--color-white);
    opacity: 0.5;
}

.swiper-pagination-bullet-active {
    background-color: var(--color-accent);
    opacity: 1;
}

.modal-info {
    padding: 40px;
    overflow-y: auto;
    height: 100%;
    background-color: var(--color-white);
}

.modal-info h2 {
    font-size: 22px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
    line-height: 1.4;
}

.modal-info .case-category {
    margin-bottom: 20px;
}

.modal-info p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: 15px;
}

.modal-info h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-primary);
    margin: 20px 0 10px;
}

.modal-info ul {
    list-style: disc;
    padding-left: 20px;
}

.modal-info li {
    font-size: 13px;
    color: var(--color-text-light);
    margin-bottom: 6px;
    line-height: 1.6;
}

/* ================================================
   Flow Section
   ================================================ */
.flow {
    background-color: var(--color-white);
}

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

.flow-step {
    display: grid;
    grid-template-columns: 120px 1fr 80px;
    gap: 30px;
    align-items: center;
    padding: 40px;
    background-color: var(--color-white);
    border-radius: 10px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-speed);
}

.flow-step:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.flow-step-number {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.flow-step-number span:first-child {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--color-accent);
}

.flow-step-number .number {
    font-family: var(--font-secondary);
    font-size: 48px;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.flow-step-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.flow-step-description {
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text-light);
}

.flow-step-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: var(--color-accent-light);
    border-radius: 50%;
    color: var(--color-accent);
    font-size: 24px;
}

.flow-connector {
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-accent) 0%, var(--color-accent-light) 100%);
    margin: 0 auto;
    position: relative;
    left: 60px;
}

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

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.contact-form {
    background-color: var(--color-white);
    padding: 50px;
    border-radius: 10px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.08);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.required,
.optional {
    font-size: 11px;
    font-weight: 500;
    padding: 3px 8px;
    border-radius: 3px;
    margin-left: 8px;
}

.required {
    background-color: #e74c3c;
    color: var(--color-white);
}

.optional {
    background-color: var(--color-gray);
    color: var(--color-white);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 18px;
    font-size: 15px;
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-gray-light);
    border: 2px solid transparent;
    border-radius: 5px;
    transition: all var(--transition-speed);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    background-color: var(--color-white);
    border-color: var(--color-accent);
}

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

.form-privacy {
    margin: 30px 0;
}

.privacy-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.privacy-checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    position: relative;
    width: 20px;
    height: 20px;
    background-color: var(--color-gray-light);
    border: 2px solid var(--color-gray);
    border-radius: 3px;
    margin-right: 10px;
    transition: all var(--transition-speed);
}

.privacy-checkbox input:checked ~ .checkmark {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.checkmark::after {
    content: '';
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.privacy-checkbox input:checked ~ .checkmark::after {
    display: block;
}

.privacy-text {
    font-size: 14px;
    color: var(--color-text-light);
}

.privacy-link {
    color: var(--color-accent);
    text-decoration: underline;
}

.privacy-link:hover {
    color: var(--color-primary);
}

.form-submit {
    text-align: center;
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 60px;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 2px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-smooth);
}

.submit-btn:hover {
    background-color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(201, 168, 118, 0.4);
}

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

.submit-btn:hover i {
    transform: translateX(5px);
}

.form-message {
    margin-top: 25px;
    padding: 15px;
    border-radius: 5px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    display: none;
}

.form-message.success {
    display: block;
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    display: block;
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Contact Info */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-info-item {
    display: flex;
    gap: 20px;
    padding: 30px;
    background-color: var(--color-white);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-speed);
}

.contact-info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-info-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent-light);
    border-radius: 50%;
    color: var(--color-accent);
    font-size: 20px;
}

.contact-info-text h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.contact-info-text p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-text-light);
}

.contact-info-text a {
    color: var(--color-accent);
}

.contact-info-text a:hover {
    text-decoration: underline;
}

/* ================================================
   Footer
   ================================================ */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo-image {
    height: 60px;
    width: auto;
    margin-bottom: 20px;
}

.footer-logo .logo-text {
    color: var(--color-white);
    margin-bottom: 5px;
}

.footer-logo .logo-subtitle {
    color: var(--color-accent);
    margin-bottom: 20px;
}

.footer-description {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 20px;
}

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

.footer-link-group h4 {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 20px;
    color: var(--color-accent);
}

.footer-link-group ul li {
    margin-bottom: 12px;
}

.footer-link-group a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-speed);
}

.footer-link-group a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

/* ================================================
   Responsive Design
   ================================================ */

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

    .section-title-en {
        font-size: 40px;
    }

    .corporate-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .corporate-image img {
        height: 400px;
    }

    .modal-content {
        grid-template-columns: 1fr;
        max-height: 90vh;
        height: auto;
        max-width: 95%;
    }

    .modal-gallery {
        height: 400px;
        min-height: 400px;
    }

    .modal-info {
        max-height: 400px;
        height: auto;
    }

    .flow-step {
        grid-template-columns: 100px 1fr 60px;
        padding: 30px;
    }

    .flow-step-number .number {
        font-size: 40px;
    }

    .flow-connector {
        left: 50px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .logo-image {
        height: 35px;
    }

    .hero {
        min-height: 600px;
    }

    .hero-title-main {
        font-size: 36px;
        letter-spacing: 2px;
    }

    .hero-title-sub {
        font-size: 18px;
        letter-spacing: 4px;
    }

    .hero-description {
        font-size: 15px;
    }

    .section-header {
        margin-bottom: 50px;
    }

    .section-title-en {
        font-size: 32px;
    }

    .section-title-ja {
        font-size: 16px;
    }

    .corporate-lead {
        font-size: 20px;
    }

    .corporate-image img {
        height: 300px;
    }

    .construction-slider-wrapper {
        padding: 0 50px;
    }

    .case-image {
        height: 250px;
    }

    .swiper-button-prev,
    .swiper-button-next {
        width: 40px;
        height: 40px;
    }

    .flow-step {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 20px;
        padding: 30px 20px;
    }

    .flow-step-number .number {
        font-size: 36px;
    }

    .flow-step:hover {
        transform: translateY(-5px);
    }

    .flow-connector {
        width: 100%;
        height: 2px;
        left: 0;
        background: linear-gradient(to right, var(--color-accent) 0%, var(--color-accent-light) 100%);
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .contact-form {
        padding: 30px 20px;
    }

    .submit-btn {
        width: 100%;
        justify-content: center;
    }

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

    .footer-logo-image {
        height: 45px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .logo-image {
        height: 30px;
    }

    .hero-title-main {
        font-size: 28px;
    }

    .hero-title-sub {
        font-size: 14px;
        letter-spacing: 3px;
    }

    .hero-btn {
        padding: 14px 35px;
        font-size: 14px;
    }

    .section-title-en {
        font-size: 28px;
    }

    .construction-slider-wrapper {
        padding: 0 40px;
    }

    .modal-info {
        padding: 25px 20px;
    }

    .modal-gallery {
        height: 300px;
        min-height: 300px;
    }

    .modal-content {
        max-width: 95%;
        height: auto;
    }

    .modal-info h2 {
        font-size: 18px;
    }

    .modal-info p {
        font-size: 13px;
    }
}

/* Utility Classes */
.sp-only {
    display: none;
}

@media (max-width: 768px) {
    .sp-only {
        display: inline;
    }
}

/* AOS Animation Overrides */
[data-aos] {
    pointer-events: auto;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
    opacity: 0;
    transition-property: transform, opacity;
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
    opacity: 1;
}

[data-aos="fade-left"] {
    transform: translateX(50px);
    opacity: 0;
    transition-property: transform, opacity;
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
    opacity: 1;
}