/* ========================================
   Mizuho Capital Co., Ltd. - Main Styles
   ======================================== */

/* CSS Variables */
:root {
    --primary-color: #003399;
    --primary-dark: #002266;
    --primary-light: #0044CC;
    --secondary-color: #0066CC;
    --accent-color: #00A0E9;
    --text-color: #333333;
    --text-light: #666666;
    --text-white: #FFFFFF;
    --background: #FFFFFF;
    --background-light: #F5F7FA;
    --background-dark: #E8ECF1;
    --border-color: #DDDDDD;
    --success-color: #28A745;
    --error-color: #DC3545;
    --warning-color: #FFC107;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --font-family: 'Hiragino Kaku Gothic Pro', 'Meiryo', 'Noto Sans JP', sans-serif;
    --max-width: 1200px;
    --header-height: 80px;
}

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

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

body {
    font-family: var(--font-family);
    color: var(--text-color);
    background-color: var(--background);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

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

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

a:hover {
    color: var(--secondary-color);
}

ul, ol {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-color);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: var(--text-white);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--text-white);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--text-white);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--text-white);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.125rem;
}

/* ========================================
   Header
   ======================================== */
.header {
    background-color: var(--background);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-text span {
    display: block;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-light);
}

.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-color);
    padding: 8px 0;
    position: relative;
}

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

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

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

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-white);
    padding: 160px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../assets/financial-services.jpg') center/cover no-repeat;
    opacity: 0.15;
}

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

.hero-content {
    max-width: 700px;
}

.hero-title {
    font-size: 3rem;
    color: var(--text-white);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.hero .btn-primary {
    background-color: var(--text-white);
    color: var(--primary-color);
}

.hero .btn-primary:hover {
    background-color: var(--background-light);
}

.hero .btn-outline {
    border-color: var(--text-white);
    color: var(--text-white);
}

.hero .btn-outline:hover {
    background-color: var(--text-white);
    color: var(--primary-color);
}

/* ========================================
   Sections
   ======================================== */
.section {
    padding: 80px 0;
}

.section-light {
    background-color: var(--background-light);
}

.section-dark {
    background-color: var(--background-dark);
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    margin-bottom: 15px;
}

.section-title p {
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Features / Services Grid
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background-color: var(--background);
    border-radius: 8px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: var(--background-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 30px;
    height: 30px;
    fill: var(--primary-color);
}

.feature-card h3 {
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-light);
    margin-bottom: 0;
}

/* ========================================
   Services Page
   ======================================== */
.service-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 60px;
}

.service-item:nth-child(even) {
    direction: rtl;
}

.service-item:nth-child(even) > * {
    direction: ltr;
}

.service-item:last-child {
    margin-bottom: 0;
}

.service-image {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.service-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.service-content h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.service-content p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.service-list {
    margin-bottom: 20px;
}

.service-list li {
    padding-left: 25px;
    position: relative;
    margin-bottom: 10px;
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ========================================
   About Page
   ======================================== */
.about-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    padding: 160px 0 80px;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-light);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.value-card {
    text-align: center;
    padding: 40px 30px;
    background-color: var(--background);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.value-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.value-card p {
    color: var(--text-light);
    margin-bottom: 0;
}

/* ========================================
   Business Model Page
   ======================================== */
.business-model-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.model-card {
    background-color: var(--background);
    border-radius: 8px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.model-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--background-light);
}

.model-card ul {
    margin-top: 15px;
}

.model-card li {
    padding-left: 20px;
    position: relative;
    margin-bottom: 10px;
    color: var(--text-light);
}

.model-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* ========================================
   Contact Page
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 40px;
    border-radius: 8px;
}

.contact-info h3 {
    color: var(--text-white);
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-item-icon {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item-content h4 {
    color: var(--text-white);
    font-size: 1rem;
    margin-bottom: 5px;
}

.contact-item-content p,
.contact-item-content a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.contact-item-content a:hover {
    color: var(--text-white);
}

.business-hours {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.business-hours h4 {
    color: var(--text-white);
    margin-bottom: 15px;
}

.business-hours p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 5px;
}

.map-container {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-top: 30px;
}

.map-container img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

/* ========================================
   Forms
   ======================================== */
.form-container {
    background-color: var(--background);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.form-label .required {
    color: var(--error-color);
    margin-left: 3px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 12px 15px;
    font-size: 1rem;
    font-family: var(--font-family);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 51, 153, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.form-checkbox input[type="checkbox"] {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-checkbox label {
    font-size: 0.9rem;
    color: var(--text-light);
    cursor: pointer;
}

.form-checkbox label a {
    color: var(--primary-color);
    text-decoration: underline;
}

.form-disclaimer {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 15px;
    padding: 15px;
    background-color: var(--background-light);
    border-radius: 4px;
}

.form-disclaimer a {
    color: var(--primary-color);
    text-decoration: underline;
}

.form-submit {
    margin-top: 20px;
}

.form-error {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 5px;
}

.form-success {
    background-color: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
}

/* ========================================
   Legal Pages
   ======================================== */
.legal-content {
    max-width: 900px;
    margin: 0 auto;
}

.legal-content h1 {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--background-light);
}

.legal-content h2 {
    font-size: 1.5rem;
    margin-top: 40px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.legal-content h3 {
    font-size: 1.25rem;
    margin-top: 30px;
    margin-bottom: 15px;
}

.legal-content p {
    color: var(--text-light);
    margin-bottom: 15px;
}

.legal-content ul,
.legal-content ol {
    margin-bottom: 20px;
    padding-left: 20px;
}

.legal-content li {
    margin-bottom: 10px;
    color: var(--text-light);
}

.legal-content ul li {
    list-style-type: disc;
}

.legal-content ol li {
    list-style-type: decimal;
}

.legal-update {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* ========================================
   Cookie Consent Banner
   ======================================== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--background);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    padding: 20px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-banner .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.cookie-content {
    flex: 1;
}

.cookie-content h3 {
    font-size: 1.125rem;
    margin-bottom: 10px;
}

.cookie-content p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0;
}

.cookie-content a {
    color: var(--primary-color);
    text-decoration: underline;
}

.cookie-buttons {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.cookie-buttons .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
}

/* Cookie Settings Modal */
.cookie-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.cookie-modal.show {
    display: flex;
}

.cookie-modal-content {
    background-color: var(--background);
    border-radius: 8px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
}

.cookie-modal-header {
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-color);
}

.cookie-modal-header h3 {
    margin-bottom: 0;
}

.cookie-modal-body {
    padding: 30px;
}

.cookie-category {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--background-light);
}

.cookie-category:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.cookie-category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.cookie-category-header h4 {
    margin-bottom: 0;
}

.cookie-toggle {
    position: relative;
    width: 50px;
    height: 26px;
}

.cookie-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.cookie-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border-color);
    border-radius: 26px;
    transition: var(--transition);
}

.cookie-toggle-slider::before {
    position: absolute;
    content: '';
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: var(--background);
    border-radius: 50%;
    transition: var(--transition);
}

.cookie-toggle input:checked + .cookie-toggle-slider {
    background-color: var(--primary-color);
}

.cookie-toggle input:checked + .cookie-toggle-slider::before {
    transform: translateX(24px);
}

.cookie-toggle input:disabled + .cookie-toggle-slider {
    opacity: 0.5;
    cursor: not-allowed;
}

.cookie-category p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0;
}

.cookie-modal-footer {
    padding: 20px 30px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo-text {
    color: var(--text-white);
    margin-bottom: 15px;
}

.footer-brand .logo-text span {
    color: rgba(255, 255, 255, 0.7);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-column h4 {
    color: var(--text-white);
    font-size: 1rem;
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--text-white);
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact a:hover {
    color: var(--text-white);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-disclaimer {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 15px;
}

.footer-copyright {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ========================================
   Page Header
   ======================================== */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    padding: 160px 0 60px;
    text-align: center;
}

.page-header h1 {
    color: var(--text-white);
    margin-bottom: 15px;
}

.page-header p {
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-white);
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    color: var(--text-white);
    margin-bottom: 15px;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto 30px;
}

.cta-section .btn-primary {
    background-color: var(--text-white);
    color: var(--primary-color);
}

.cta-section .btn-primary:hover {
    background-color: var(--background-light);
}

/* ========================================
   Accessibility
   ======================================== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 8px 16px;
    z-index: 10001;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

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

/* Tablet */
@media (max-width: 1199px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 991px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .nav-list {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: var(--background);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
        gap: 0;
    }
    
    .nav-list.active {
        display: flex;
    }
    
    .nav-link {
        display: block;
        padding: 15px 0;
        border-bottom: 1px solid var(--background-light);
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .service-item {
        grid-template-columns: 1fr;
    }
    
    .service-item:nth-child(even) {
        direction: ltr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .business-model-grid {
        grid-template-columns: 1fr;
    }
}

/* Mobile */
@media (max-width: 767px) {
    .section {
        padding: 60px 0;
    }
    
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .cookie-banner .container {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        width: 100%;
        justify-content: center;
    }
    
    .form-container {
        padding: 25px;
    }
    
    .contact-info {
        padding: 25px;
    }
    
    .page-header {
        padding: 140px 0 50px;
    }
}

/* Small Mobile */
@media (max-width: 479px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .btn {
        padding: 10px 20px;
    }
    
    .btn-large {
        padding: 12px 30px;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .cookie-banner,
    .cookie-modal {
        display: none;
    }
    
    .hero {
        padding: 40px 0;
        background: none;
        color: var(--text-color);
    }
    
    .hero-title,
    .hero-subtitle {
        color: var(--text-color);
    }
    
    .section {
        padding: 30px 0;
    }
    
    a {
        text-decoration: underline;
    }
}