/* =============================================
   SIMPLEEC - Main Stylesheet
   ============================================= */

/* CSS Variables */
:root {
    /* 新カラースキーム：紺色 + 白 + 深緑アクセント */
    --color-primary: #1e3a5f;       /* 深い紺色（メイン） */
    --color-primary-light: #2d5a8a; /* 明るめの紺 */
    --color-secondary: #234d4d;     /* 深緑（アクセント） */
    --color-secondary-light: #3a7070;
    --color-accent: #b8936a;        /* 落ち着いたゴールド */
    --color-accent-light: #c9a77d;
    --color-white: #ffffff;
    --color-off-white: #f8f9fa;
    --color-light-gray: #e9ecef;
    --color-text: #2c3e50;          /* テキスト色 */
    --color-text-light: #4a5c6d;    /* 薄いテキスト（コントラスト改善） */
    --font-jp: 'Noto Serif JP', serif;
    --font-en: 'Cormorant Garamond', serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-jp);
    background-color: var(--color-white);
    color: var(--color-text);
    line-height: 1.9;
    overflow-x: hidden;
}

/* =============================================
   Skip Link (Accessibility)
   ============================================= */
.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    z-index: 9999;
    border-radius: 0 0 8px 8px;
    font-size: 0.9rem;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* =============================================
   Focus Styles (Accessibility)
   ============================================= */
:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Remove default focus for mouse users */
:focus:not(:focus-visible) {
    outline: none;
}

/* =============================================
   Navigation
   ============================================= */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-light-gray);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

nav.nav-hidden {
    transform: translateY(-100%);
}

nav.nav-scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.logo {
    font-family: var(--font-en);
    font-size: 1.2rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    text-decoration: none;
}

.logo:hover {
    color: var(--color-primary-light);
}

.nav-links {
    display: flex;
    gap: 3rem;
    list-style: none;
}

.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

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

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

/* =============================================
   Hero Section
   ============================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 8%;
    position: relative;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.hero-content {
    max-width: 800px;
    animation: fadeUp 1.2s ease-out;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-label {
    font-family: var(--font-en);
    font-size: 0.9rem;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    margin-bottom: 2rem;
    display: block;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 500;
    line-height: 1.4;
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
    color: var(--color-white);
}

.hero h1 span {
    display: block;
    color: var(--color-accent-light);
}

.hero-description {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 550px;
    margin-bottom: 3rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 2.5rem;
    background: var(--color-white);
    border: none;
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    transition: all 0.4s ease;
}

.cta-button:hover {
    background: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-button svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.cta-button:hover svg {
    transform: translateX(5px);
}

/* Decorative element */
.hero-decoration {
    position: absolute;
    right: 8%;
    top: 50%;
    transform: translateY(-50%);
    width: 350px;
    height: 450px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    animation: fadeIn 1.5s ease-out 0.5s both;
}

.hero-decoration::before {
    content: '熟成';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 8rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.05);
    writing-mode: vertical-rl;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* =============================================
   Philosophy Section
   ============================================= */
.philosophy {
    padding: 10rem 8%;
    position: relative;
    background: var(--color-white);
}

.section-label {
    font-family: var(--font-en);
    font-size: 0.8rem;
    letter-spacing: 0.3em;
    color: var(--color-secondary);
    margin-bottom: 3rem;
    display: block;
}

.philosophy-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.philosophy h2 {
    font-size: 2.2rem;
    font-weight: 500;
    line-height: 1.6;
    letter-spacing: 0.08em;
    color: var(--color-primary);
}

.philosophy-text {
    font-size: 1rem;
    color: var(--color-text-light);
}

.philosophy-text p {
    margin-bottom: 1.5rem;
}

.highlight {
    color: var(--color-primary);
    font-weight: 500;
}

/* =============================================
   Services Section
   ============================================= */
.services {
    padding: 8rem 8%;
    background: var(--color-off-white);
}

.services-header {
    text-align: center;
    margin-bottom: 5rem;
}

.services-header h2 {
    font-size: 2rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    margin-top: 1rem;
    color: var(--color-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    padding: 3rem 2.5rem;
    background: var(--color-white);
    border: 1px solid var(--color-light-gray);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    box-shadow: 0 15px 40px rgba(30, 58, 95, 0.1);
    transform: translateY(-5px);
}

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

.service-number {
    font-family: var(--font-en);
    font-size: 3rem;
    font-weight: 400;
    color: var(--color-light-gray);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
    color: var(--color-primary);
}

.service-card p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* =============================================
   Case Studies Section
   ============================================= */
.case-studies {
    padding: 10rem 8%;
    background: var(--color-white);
}

.case-studies-header {
    text-align: center;
    margin-bottom: 5rem;
}

.case-studies-header h2 {
    font-size: 2rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    margin-top: 1rem;
    color: var(--color-primary);
}

.case-studies-header p {
    font-size: 1rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 1.5rem auto 0;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.case-card {
    background: var(--color-white);
    border: 1px solid var(--color-light-gray);
    padding: 3rem;
    transition: all 0.4s ease;
    position: relative;
}

.case-card:hover {
    box-shadow: 0 15px 40px rgba(30, 58, 95, 0.08);
    border-color: var(--color-primary);
}

.case-category {
    font-family: var(--font-en);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--color-secondary);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.case-card h3 {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    letter-spacing: 0.03em;
    line-height: 1.5;
    color: var(--color-text);
}

.case-description {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.case-results {
    display: flex;
    gap: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-light-gray);
}

.case-metric {
    flex: 1;
}

.case-metric-value {
    font-family: var(--font-en);
    font-size: 2rem;
    font-weight: 400;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.case-metric-label {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

/* Case card as link */
a.case-card {
    text-decoration: none;
    display: block;
}

a.case-card:hover {
    transform: translateY(-5px);
}

.case-card-link {
    display: block;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-light-gray);
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
}

a.case-card:hover .case-card-link {
    color: var(--color-secondary);
}

/* =============================================
   Expertise Section
   ============================================= */
.expertise {
    padding: 10rem 8%;
    background: var(--color-secondary);
}

.expertise-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 6rem;
}

.expertise h2 {
    font-size: 1.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    line-height: 1.6;
    color: var(--color-white);
}

.expertise-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.expertise-item {
    padding: 2rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.expertise-item h4 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-accent-light);
    margin-bottom: 0.8rem;
}

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

/* =============================================
   Results Section
   ============================================= */
.results {
    padding: 8rem 8%;
    background: var(--color-off-white);
}

.results-header {
    text-align: center;
    margin-bottom: 5rem;
}

.results-header h2 {
    font-size: 2rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    margin-top: 1rem;
    color: var(--color-primary);
}

.results-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    text-align: center;
}

.stat-item {
    padding: 2rem;
}

.stat-number {
    font-family: var(--font-en);
    font-size: 3.5rem;
    font-weight: 400;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 1rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
}

/* =============================================
   Profile Section
   ============================================= */
.profile {
    padding: 10rem 8%;
    background: var(--color-white);
}

.profile-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 5rem;
    align-items: start;
    margin-top: 3rem;
}

.profile-image {
    position: relative;
}

.profile-image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--color-light-gray), var(--color-off-white));
    border: 1px solid var(--color-light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-text h2 {
    font-size: 1.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.profile-name {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-light-gray);
}

.profile-name .name-jp {
    display: block;
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 0.3rem;
    color: var(--color-text);
}

.profile-name .name-en {
    font-family: var(--font-en);
    font-size: 0.9rem;
    color: var(--color-secondary);
    letter-spacing: 0.1em;
}

.profile-text p {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.profile-career {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-light-gray);
}

.profile-career h4 {
    font-size: 0.9rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.profile-career ul {
    list-style: none;
}

.profile-career li {
    font-size: 0.95rem;
    color: var(--color-text-light);
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.profile-career li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 2px;
    background: var(--color-primary);
}

/* =============================================
   Pricing Section
   ============================================= */
.pricing {
    padding: 10rem 8%;
    background: var(--color-primary);
}

.pricing-header {
    text-align: center;
    margin-bottom: 5rem;
}

.pricing-header .section-label {
    color: var(--color-accent);
}

.pricing-header h2 {
    font-size: 2rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    margin-top: 1rem;
    color: var(--color-white);
}

.pricing-header p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 1rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.pricing-card {
    padding: 3rem 2.5rem;
    background: var(--color-white);
    border: none;
    transition: all 0.4s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.pricing-card.featured {
    background: var(--color-white);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-secondary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.3rem 1rem;
    letter-spacing: 0.1em;
}

.pricing-plan {
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.pricing-price {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-light-gray);
}

.price-amount {
    font-family: var(--font-en);
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--color-text);
}

.price-unit {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.pricing-description {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.pricing-features {
    list-style: none;
}

.pricing-features li {
    font-size: 0.9rem;
    color: var(--color-text);
    padding: 0.6rem 0;
    padding-left: 1.5rem;
    position: relative;
    border-bottom: 1px solid var(--color-light-gray);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-size: 0.8rem;
}

.pricing-note {
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 3rem;
}

/* =============================================
   FAQ CTA Section
   ============================================= */
.faq-cta {
    padding: 8rem 8%;
    background: var(--color-white);
}

.faq-cta-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

.faq-cta-text h2 {
    font-size: 2rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.faq-cta-text p {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.faq-cta-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-cta-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 1.5rem;
    background: var(--color-off-white);
    border-left: 3px solid var(--color-primary);
    transition: all 0.3s ease;
}

.faq-cta-item:hover {
    background: var(--color-light-gray);
    transform: translateX(5px);
}

.faq-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-en);
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50%;
    flex-shrink: 0;
}

.faq-cta-item span:last-child {
    font-size: 0.95rem;
    color: var(--color-text);
}

.faq-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 2rem;
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
}

.faq-cta-button:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.faq-cta-button svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.faq-cta-button:hover svg {
    transform: translateX(5px);
}

@media (max-width: 1024px) {
    .faq-cta-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* =============================================
   Contact Section
   ============================================= */
.contact {
    padding: 10rem 8%;
    text-align: center;
    background: var(--color-off-white);
}

.contact h2 {
    font-size: 2.5rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.contact p {
    font-size: 1rem;
    color: var(--color-text-light);
    max-width: 500px;
    margin: 0 auto 3rem;
}

.contact-button {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 4rem;
    background: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    transition: all 0.4s ease;
}

.contact-button:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(30, 58, 95, 0.3);
}

/* =============================================
   Page Top Button
   ============================================= */
.page-top-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 99;
}

.page-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.page-top-btn:hover {
    background: var(--color-primary-light);
    transform: translateY(-3px);
}

.page-top-btn svg {
    width: 24px;
    height: 24px;
    color: var(--color-white);
}

/* =============================================
   Footer
   ============================================= */
footer {
    padding: 3rem 8%;
    background: var(--color-primary);
    border-top: none;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-logo {
    font-family: var(--font-en);
    font-size: 1rem;
    letter-spacing: 0.15em;
    color: var(--color-white);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s;
}

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

.footer-text {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
}

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 1024px) {
    .hero-decoration {
        display: none;
    }

    .philosophy-content,
    .expertise-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .case-grid {
        grid-template-columns: 1fr;
    }

    .results-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .profile-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .profile-image {
        max-width: 250px;
        margin: 0 auto;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 101;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
    nav {
        padding: 1rem 5%;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1002;
        position: relative;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: #1e3a5f;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        z-index: 1001;
        padding: 80px 20px 40px;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        list-style: none;
        text-align: center;
    }

    .nav-links a {
        font-size: 1.3rem;
        color: var(--color-white);
        letter-spacing: 0.1em;
        padding: 0.5rem 1rem;
        display: block;
    }

    .nav-links a::after {
        display: none;
    }

    .nav-links a:hover {
        color: var(--color-accent);
    }

    .mobile-menu-btn.active span {
        background: var(--color-white);
    }

    .hero {
        padding: 0 5%;
    }

    .expertise-list {
        grid-template-columns: 1fr;
    }

    .results-stats {
        grid-template-columns: 1fr;
    }

    .case-results {
        flex-direction: column;
        gap: 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-links {
        gap: 1.5rem;
    }

    .page-top-btn {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

/* =============================================
   Animations
   ============================================= */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =============================================
   Mid-page CTA
   ============================================= */
.mid-cta {
    text-align: center;
    margin-top: 4rem;
    padding-top: 4rem;
    border-top: 1px solid var(--color-light-gray);
}

.mid-cta p {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

/* =============================================
   Exit Intent Popup
   ============================================= */
.exit-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
}

.exit-popup.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.exit-popup-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    animation: fadeIn 0.3s ease;
}

.exit-popup-content {
    position: relative;
    background: var(--color-white);
    padding: 3rem;
    max-width: 450px;
    width: 90%;
    text-align: center;
    animation: slideUp 0.4s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.exit-popup-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-text-light);
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s;
}

.exit-popup-close:hover {
    color: var(--color-primary);
}

.exit-popup h2 {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.exit-popup p {
    color: var(--color-text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.exit-popup-cta {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: all 0.3s;
    margin-bottom: 1rem;
}

.exit-popup-cta:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
}

.exit-popup-dismiss {
    display: block;
    width: 100%;
    background: none;
    border: none;
    color: var(--color-text-light);
    font-size: 0.85rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.3s;
}

.exit-popup-dismiss:hover {
    color: var(--color-primary);
}

/* =============================================
   Skeleton Loading
   ============================================= */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-light-gray) 25%,
        var(--color-off-white) 50%,
        var(--color-light-gray) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 4px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-text.short {
    width: 60%;
}

.skeleton-title {
    height: 2rem;
    width: 80%;
    margin-bottom: 1rem;
}

.skeleton-image {
    width: 100%;
    aspect-ratio: 16/9;
}

/* =============================================
   Pricing Table Enhancement
   ============================================= */
.pricing-comparison {
    display: none;
    margin-top: 3rem;
}

.pricing-comparison.active {
    display: block;
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
}

.pricing-table th,
.pricing-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--color-light-gray);
}

.pricing-table th {
    background: var(--color-off-white);
    font-weight: 500;
    color: var(--color-primary);
}

.pricing-table td {
    color: var(--color-text);
}

.pricing-table .check {
    color: var(--color-secondary);
}

.pricing-table .featured-col {
    background: rgba(30, 58, 95, 0.03);
}

.pricing-toggle {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.pricing-toggle button {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    font-family: var(--font-jp);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s;
}

.pricing-toggle button.active {
    background: var(--color-primary);
    color: var(--color-white);
}

.pricing-toggle button:hover:not(.active) {
    background: rgba(30, 58, 95, 0.1);
}

/* =============================================
   Case Studies Carousel
   ============================================= */
.case-carousel-container {
    position: relative;
    overflow: hidden;
}

.case-carousel {
    display: flex;
    transition: transform 0.5s ease;
}

.case-carousel .case-card {
    flex: 0 0 calc(50% - 1.5rem);
    margin-right: 3rem;
}

.case-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.case-nav button {
    width: 50px;
    height: 50px;
    border: 2px solid var(--color-primary);
    background: transparent;
    color: var(--color-primary);
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-nav button:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.case-nav button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.case-more-btn {
    display: block;
    margin: 3rem auto 0;
    padding: 1rem 2.5rem;
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    font-family: var(--font-jp);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s;
}

.case-more-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* Hidden cases for "show more" */
.case-card.hidden {
    display: none;
}

.case-card.hidden.show {
    display: block;
    animation: fadeUp 0.5s ease;
}

/* =============================================
   Expertise Section h3 styles
   ============================================= */
.expertise-item h3 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-accent-light);
    margin-bottom: 0.8rem;
}

/* =============================================
   Profile Career h3 styles
   ============================================= */
.profile-career h3 {
    font-size: 0.9rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

/* =============================================
   Responsive Adjustments for New Features
   ============================================= */
@media (max-width: 768px) {
    .exit-popup-content {
        padding: 2rem;
    }

    .exit-popup h2 {
        font-size: 1.3rem;
    }

    .mid-cta {
        margin-top: 3rem;
        padding-top: 3rem;
    }

    .case-carousel .case-card {
        flex: 0 0 100%;
        margin-right: 0;
    }

    .pricing-table {
        font-size: 0.85rem;
    }

    .pricing-table th,
    .pricing-table td {
        padding: 0.75rem;
    }
}