/* Premium Slate & Warm Amber Theme for Japan Market (Age 45-65+) */
:root {
    --primary: #0f172a;
    --primary-light: #1e293b;
    --accent: #d97706;
    --accent-hover: #b45309;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --text-dark: #0f172a;
    --text-muted: #475569;
    --border: #cbd5e1;
    --font-jp: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-jp);
    font-size: 18px; /* High legibility for 45-65+ */
    line-height: 1.8;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

/* Accessibility: Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent);
    color: var(--bg-white);
    padding: 8px;
    z-index: 100;
    transition: top 0.2s;
}
.skip-link:focus {
    top: 0;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.max-800 {
    max-width: 800px;
}
.text-center {
    text-align: center;
}
.bg-light {
    background-color: var(--bg-light);
}

/* Header & Nav */
header {
    background-color: var(--primary);
    color: var(--bg-white);
    position: sticky;
    top: 0;
    z-index: 99;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.logo-area {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.logo-img {
    height: 35px;
    width: 35px;
}
.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--bg-white);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.nav-links a {
    color: var(--bg-white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
    color: var(--accent);
}
.nav-cta {
    background-color: var(--accent);
    padding: 0.5rem 1.2rem;
    border-radius: 4px;
}
.nav-cta:hover {
    background-color: var(--accent-hover);
    color: var(--bg-white) !important;
}

/* Burger Mobile Menu */
.burger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 2rem;
    height: 2rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}
.burger span {
    width: 2rem;
    height: 0.25rem;
    background: var(--bg-white);
    border-radius: 10px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    padding: 4rem 1.5rem;
    background-color: var(--bg-light);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}
@media (min-width: 992px) {
    .hero {
        flex-direction: row;
        align-items: center;
        padding: 6rem 1.5rem;
    }
    .hero-content, .hero-image-wrapper {
        flex: 1;
    }
}
.hero-content h1 {
    font-size: 2.2rem;
    line-height: 1.4;
    margin-bottom: 1.5rem;
}
.accent-text {
    color: var(--accent);
}
.hero-content p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}
.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}
.hero-image-wrapper img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    object-fit: cover;
    max-height: 450px;
}

/* Custom SVG Pattern (Unique Grid Effect) */
.hero-grid {
    background-image: radial-gradient(circle, #cbd5e1 1px, transparent 1px);
    background-size: 24px 24px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}
.btn-accent {
    background-color: var(--accent);
    color: var(--bg-white);
}
.btn-accent:hover {
    background-color: var(--accent-hover);
}
.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}
.btn-outline:hover {
    background-color: var(--primary);
    color: var(--bg-white);
}
.btn-primary {
    background-color: var(--primary-light);
    color: var(--bg-white);
}
.btn-primary:hover {
    background-color: var(--primary);
}
.btn-full {
    width: 100%;
}
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Stats Section */
.stats {
    background-color: var(--primary);
    color: var(--bg-white);
    padding: 3rem 0;
}
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    gap: 2rem;
    text-align: center;
}
.stat-number {
    display: block;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 0.5rem;
}
.stat-label {
    font-size: 1rem;
    color: #94a3b8;
}

/* Process Section */
.process {
    padding: 5rem 0;
}
.section-desc {
    color: var(--text-muted);
    margin-top: 0.5rem;
    margin-bottom: 3rem;
}
.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}
.process-step {
    background-color: var(--bg-light);
    padding: 2.5rem 1.5rem;
    border-radius: 6px;
    position: relative;
    box-shadow: 0 2px 4px rgba(0,0,0,0.01);
}
.step-num {
    font-size: 3rem;
    font-weight: 700;
    color: rgba(217,119,6,0.15);
    position: absolute;
    top: 10px;
    right: 20px;
}
.process-step h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
    position: relative;
    z-index: 2;
}
.process-step p {
    font-size: 0.95rem;
    color: var(--text-muted);
    position: relative;
    z-index: 2;
}

/* Principles (Trust Section) */
.principles {
    padding: 5rem 0;
}
.principles-layout {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}
@media (min-width: 992px) {
    .principles-layout {
        flex-direction: row;
    }
    .principles-content {
        flex: 1.5;
    }
    .principles-aside {
        flex: 1;
    }
}
.principles-content h2 {
    margin-bottom: 2rem;
}
.principles-list {
    list-style: none;
}
.principles-list li {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.principles-list i {
    font-size: 2rem;
    color: var(--accent);
    margin-top: 0.2rem;
}
.principles-list h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}
.principles-list p {
    font-size: 0.95rem;
    color: var(--text-muted);
}
.trust-badge-box {
    background-color: var(--bg-white);
    padding: 2.5rem;
    border-radius: 8px;
    border-top: 4px solid var(--accent);
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}
.trust-badge-box h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}
.trust-badge-box p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* Services Preview */
.services-preview {
    padding: 5rem 0;
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}
.service-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    transition: var(--transition);
}
.service-card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.05);
}
.service-img-wrapper img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}
.service-body {
    padding: 1.5rem;
}
.service-body h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}
.service-body p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}
.service-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 700;
}
.service-link:hover {
    text-decoration: underline;
}

/* Services Page - Detailed Block */
.page-header {
    background-color: var(--primary);
    color: var(--bg-white);
    padding: 4rem 1.5rem;
}
.page-header h1 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
}
.services-detail {
    padding: 5rem 0;
}
.detail-block {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 4rem;
}
@media (min-width: 992px) {
    .detail-block {
        flex-direction: row;
        align-items: center;
    }
    .detail-block.reverse {
        flex-direction: row-reverse;
    }
    .detail-img, .detail-desc {
        flex: 1;
    }
}
.detail-img img {
    width: 100%;
    border-radius: 6px;
    max-height: 350px;
    object-fit: cover;
}
.detail-desc h2 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--primary);
}
.detail-desc p {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}
.detail-desc ul {
    list-style: none;
}
.detail-desc li {
    font-size: 0.95rem;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}
.detail-desc li i {
    color: var(--accent);
}
.services-global-banner {
    padding: 5rem 1.5rem;
}
.services-global-banner h2 {
    margin-bottom: 1rem;
}
.services-global-banner p {
    max-width: 800px;
    margin: 0 auto 2rem;
}

/* Pricing Section */
.pricing {
    padding: 5rem 0;
}
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    align-items: stretch;
}
.price-card {
    background-color: var(--bg-white);
    padding: 3rem 2rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    position: relative;
    display: flex;
    flex-direction: column;
}
.price-card.recommended {
    border: 3px solid var(--accent);
    box-shadow: 0 10px 30px rgba(217,119,6,0.08);
}
.price-card.recommended .badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent);
    color: var(--bg-white);
    font-size: 0.8rem;
    padding: 4px 15px;
    border-radius: 20px;
    font-weight: 700;
    letter-spacing: 0.05em;
}
.price-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    text-align: center;
}
.price-val {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin-bottom: 0.5rem;
}
.price-val span {
    font-size: 1rem;
}
.price-use {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}
.price-card ul {
    list-style: none;
    margin-bottom: 2rem;
    flex-grow: 1;
}
.price-card li {
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}
.price-card li i {
    color: var(--accent);
}

/* Contact / Form Section */
.contact-form-section {
    padding: 5rem 0;
}
.form-wrapper {
    background-color: var(--bg-white);
    padding: 3rem 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    max-width: 700px;
    margin: 0 auto;
}
.form-intro {
    margin-bottom: 2rem;
}
.form-intro h2 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}
.form-intro p {
    font-size: 0.95rem;
    color: var(--text-muted);
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}
.required {
    color: #e11d48;
    font-size: 0.8rem;
    margin-left: 0.2rem;
}
.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: var(--font-jp);
}
.form-group input:focus, .form-group textarea:focus {
    outline: 2px solid var(--accent);
}
.form-checkbox {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}
.form-checkbox input {
    margin-top: 0.3rem;
}
.form-checkbox label {
    font-size: 0.9rem;
}
.form-checkbox a {
    color: var(--accent);
    text-decoration: underline;
}

/* Contact Split Layout */
.contact-split-section {
    padding: 5rem 0;
}
.grid-two {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}
@media (min-width: 992px) {
    .grid-two {
        grid-template-columns: 1.2fr 1fr;
    }
}
.aside-info-box {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 6px;
    border-left: 4px solid var(--primary);
    margin-bottom: 2rem;
}
.aside-info-box h3 {
    margin-bottom: 1.5rem;
}
.company-name {
    font-weight: 700;
    margin-bottom: 1rem;
}
.aside-info-box ul {
    list-style: none;
}
.aside-info-box li {
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
}
.aside-info-box a {
    color: var(--accent);
}
.iframe-container {
    width: 100%;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.02);
}

/* FAQ Page Accordion */
.faq-container {
    padding: 5rem 0;
}
.faq-item {
    background-color: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 4px;
    margin-bottom: 1.5rem;
    overflow: hidden;
}
.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: transparent;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-question::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 1rem;
    color: var(--accent);
    transition: var(--transition);
}
.faq-item.active .faq-question::after {
    transform: rotate(180deg);
}
.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}
.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem 1.5rem;
    max-height: 1000px;
    transition: max-height 0.5s ease-in;
}
.faq-answer a {
    color: var(--accent);
}
.faq-cta {
    padding: 5rem 1.5rem;
}
.faq-cta h2 {
    margin-bottom: 1rem;
}

/* Trust Layer (Global Footer Plate) */
.trust-layer {
    background-color: #1e293b;
    color: #cbd5e1;
    padding: 3rem 0;
    border-top: 1px solid #334155;
}
.trust-layer-box {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}
.trust-layer h4 {
    color: var(--bg-white);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}
.trust-layer p {
    font-size: 0.85rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}
.disclaimer {
    font-style: italic;
    color: #94a3b8;
}
.trust-links {
    margin-top: 1.5rem;
}
.trust-links a {
    color: var(--bg-white);
    text-decoration: none;
    font-size: 0.85rem;
    margin: 0 0.5rem;
}
.trust-links a:hover {
    text-decoration: underline;
    color: var(--accent);
}

/* Footer */
footer {
    background-color: var(--primary);
    color: #94a3b8;
    padding: 4rem 0 2rem 0;
    font-size: 0.9rem;
}
.footer-container {
    display: flex;
    flex-direction: column;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    gap: 2rem;
}
@media (min-width: 768px) {
    .footer-container {
        flex-direction: row;
        justify-content: space-between;
    }
    .footer-info {
        flex: 1.5;
    }
    .footer-nav {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: flex-end;
    }
}
.footer-info .logo-text {
    display: inline-block;
    margin-bottom: 1rem;
}
.footer-info p {
    line-height: 1.6;
}
.footer-nav a {
    color: #94a3b8;
    text-decoration: none;
    margin-bottom: 0.8rem;
    transition: var(--transition);
}
.footer-nav a:hover {
    color: var(--bg-white);
}
.footer-bottom {
    margin-top: 3rem;
    border-top: 1px solid #1e293b;
    padding-top: 1.5rem;
}

/* Cookie Banner */
#cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--primary-light);
    color: #cbd5e1;
    padding: 1.5rem;
    z-index: 1000;
    display: none;
    box-shadow: 0 -4px 10px rgba(0,0,0,0.15);
}
#cookie-banner.visible {
    display: block;
}
.cookie-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
@media (min-width: 768px) {
    .cookie-container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}
.cookie-text {
    font-size: 0.85rem;
    line-height: 1.6;
}
.cookie-text a {
    color: var(--bg-white);
    text-decoration: underline;
}
.cookie-buttons {
    display: flex;
    gap: 1rem;
}

/* Mobile responsive menu overrides */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        width: 100%;
        background-color: var(--primary-light);
        flex-direction: column;
        text-align: center;
        padding: 1.5rem 0;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    .nav-links a {
        margin: 1rem 0;
    }
    .burger {
        display: flex;
    }
    .nav-active {
        display: flex !important;
    }
}

/* Animation controls for accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-delay: 0s !important;
        animation-duration: 0s !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0s !important;
        scroll-behavior: auto !important;
    }
}