:root {
    /* Colors - Yamato Spirit Palette */
    --color-primary: #1A237E;
    /* Deep Blue (Aiiro) */
    --color-secondary: #0D47A1;
    /* Vivid Blue */
    --color-accent: #C2185B;
    /* Deep Pink/Red (Akabeni) - Subtle accents */
    --color-gold: #BCAAA4;
    /* Muted Gold/Beige */
    --color-text: #333333;
    /* Charcoal text */
    --color-text-light: #666666;
    --color-light-bg: #F5F7FA;
    --color-white: #FFFFFF;
    --color-dark-bg: #1c1c1c;

    /* Typography */
    --font-heading: 'Shippori Mincho', serif;
    --font-body: 'Noto Sans JP', sans-serif;

    /* Spacing */
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

ul {
    list-style: none;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Typography Utilities */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    letter-spacing: 0.05em;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-sm {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 1rem 3rem;
    font-size: 1.1rem;
}

.btn-xl {
    padding: 1.2rem 4rem;
    font-size: 1.25rem;
    width: 100%;
    max-width: 500px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(26, 35, 126, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 35, 126, 0.4);
}

.shadow-glow {
    animation: glow 3s infinite alternate;
}

@keyframes glow {
    from {
        box-shadow: 0 4px 15px rgba(26, 35, 126, 0.3);
    }

    to {
        box-shadow: 0 4px 25px rgba(26, 35, 126, 0.6);
    }
}

.microcopy,
.sub-text,
.cta-note {
    font-size: 0.8rem;
    font-weight: 400;
    opacity: 0.9;
    margin-left: 0.5rem;
}

.cta-note {
    margin-top: 0.5rem;
    margin-left: 0;
    color: var(--color-white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    font-size: 0.9rem;
}

/* Header */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    height: 80px;
    display: flex;
    align-items: center;
}

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

.logo a {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.nav-menu ul {
    display: flex;
    gap: 2rem;
}

.nav-menu a {
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--color-primary);
    transition: 0.3s;
}

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

.header-cta .microcopy {
    font-size: 0.7rem;
    display: block;
    line-height: 1;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    color: var(--color-white);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.7));
}

.hero-content {
    z-index: 1;
    position: relative;
    width: 100%;
    margin-top: 60px;
    /* offset header */
}

.main-copy {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.sub-copy {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #fef9e7;
    letter-spacing: 0.1em;
}

.hero-lead {
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-white);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0.8;
}

.scroll-down .line {
    width: 1px;
    height: 50px;
    background: var(--color-white);
    margin-top: 10px;
    animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        transform: scaleY(1);
        transform-origin: top;
    }

    51% {
        transform: scaleY(1);
        transform-origin: bottom;
    }

    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

/* Sections Common */
.section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.section-subtitle {
    display: block;
    color: var(--color-gold);
    font-family: var(--font-heading);
    letter-spacing: 0.2em;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.section-lead {
    font-size: 1.2rem;
    color: var(--color-text-light);
}

/* Empathy Section */
.empathy {
    background-color: var(--color-white);
}

.pain-points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.pain-card {
    background: var(--color-light-bg);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s;
}

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

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.card-text {
    font-weight: 500;
    line-height: 1.6;
}

.empathy-bridge {
    text-align: center;
    font-size: 1.3rem;
    line-height: 1.8;
}

.highlight {
    color: var(--color-primary);
    background: linear-gradient(transparent 60%, rgba(188, 170, 164, 0.3) 60%);
}

/* Value Prop / Concept */
.bg-light {
    background-color: var(--color-light-bg);
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.feature-num {
    font-family: var(--font-heading);
    font-size: 4rem;
    color: rgba(26, 35, 126, 0.1);
    line-height: 1;
    font-weight: 700;
}

.feature-content h3 {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.feature-content .en {
    font-size: 1rem;
    color: var(--color-gold);
    font-family: var(--font-body);
    font-weight: 400;
    letter-spacing: 0.1em;
}

/* Services */
.service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    align-items: stretch;
    /* equal height */
}

.service-card {
    border: 1px solid #eee;
    border-radius: 15px;
    padding: 2.5rem;
    transition: 0.3s;
    background: var(--color-white);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    box-shadow: 0 10px 30px rgba(26, 35, 126, 0.1);
    transform: translateY(-5px);
    border-color: var(--color-primary);
}

.service-card.featured {
    border: 2px solid var(--color-primary);
    background: #f0f6ff;
    transform: scale(1.05);
    z-index: 10;
    box-shadow: 0 15px 35px rgba(26, 35, 126, 0.15);
}

.service-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.plan-label {
    display: inline-block;
    font-size: 0.8rem;
    background: #eee;
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    margin-bottom: 0.5rem;
    color: #666;
}

.featured .plan-label {
    background: var(--color-primary);
    color: white;
}

.service-header h3 {
    font-size: 1.5rem;
    margin-bottom: 0.2rem;
}

.plan-role {
    display: block;
    color: var(--color-gold);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.service-body .target {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    border-bottom: 1px solid #eee;
    padding-bottom: 1rem;
}

.service-features li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
}

.service-features li::before {
    content: '✔';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* Story Section */
.bg-dark {
    background-color: var(--color-dark-bg);
    color: var(--color-white);
}

.story-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.story-label {
    display: block;
    color: var(--color-gold);
    letter-spacing: 0.2em;
    margin-bottom: 1rem;
    text-align: center;
}

.story-title {
    text-align: center;
    color: var(--color-white);
    margin-bottom: 1rem;
}

.story-meta {
    text-align: center;
    opacity: 0.7;
    margin-bottom: 3rem;
}

.story-timeline {
    position: relative;
    padding-left: 0;
}

.story-phase {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    position: relative;
}

.phase-date {
    display: block;
    font-size: 0.8rem;
    color: var(--color-gold);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.story-arrow {
    text-align: center;
    color: var(--color-gold);
    margin: 0.5rem 0;
    font-size: 1.2rem;
}

.phase-bad {
    border-left: 3px solid #666;
}

.phase-change {
    border-left: 3px solid var(--color-gold);
}

.phase-good {
    border-left: 3px solid var(--color-primary);
    background: rgba(26, 35, 126, 0.2);
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
}

.cta-header {
    text-align: center;
    margin-bottom: 3rem;
}

.cta-box {
    background: var(--color-white);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border: 1px solid #eee;
}

.cta-benefits {
    margin-bottom: 2rem;
    background: #f9f9f9;
    padding: 2rem;
    border-radius: 15px;
    width: 100%;
}

.cta-benefits h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.cta-benefits ul {
    text-align: left;
    display: inline-block;
}

.cta-benefits li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.cta-benefits li::before {
    content: '★';
    position: absolute;
    left: 0;
    color: #FFC107;
}

.cta-microcopy {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #888;
}

/* Footer */
#footer {
    background-color: #111;
    color: #888;
    padding: 4rem 0 2rem;
    font-size: 0.9rem;
}

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

.footer-logo {
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 1.5rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

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

/* Animations */
.fade-in,
.fade-in-up,
.fade-in-left,
.fade-in-right {
    opacity: 0;
    transition: 1s all ease-out;
}

.fade-in {
    opacity: 1;
}

/* Fallback if JS fails */
.fade-in-up {
    transform: translateY(0);
}

/* Fallback */

/* For JS observer */
.js-fade-in {
    opacity: 0;
}

.js-fade-in-up {
    opacity: 0;
    transform: translateY(30px);
}

.js-fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
}

.js-fade-in-right {
    opacity: 0;
    transform: translateX(30px);
}

.in-view {
    opacity: 1 !important;
    transform: translate(0, 0) !important;
}

.delay-100 {
    transition-delay: 0.1s;
}

.delay-200 {
    transition-delay: 0.2s;
}

.delay-300 {
    transition-delay: 0.3s;
}

/* Responsive */
@media (max-width: 768px) {
    .main-copy {
        font-size: 2.2rem;
    }

    .sub-copy {
        font-size: 1.2rem;
    }

    .nav-menu {
        display: none;
    }

    /* Add mobile menu logic later */
    .mobile-menu-btn {
        display: block;
        width: 30px;
        height: 20px;
        position: relative;
    }

    .mobile-menu-btn span {
        display: block;
        width: 100%;
        height: 2px;
        background: var(--color-primary);
        position: absolute;
    }

    .mobile-menu-btn span:nth-child(1) {
        top: 0;
    }

    .mobile-menu-btn span:nth-child(2) {
        top: 9px;
    }

    .mobile-menu-btn span:nth-child(3) {
        bottom: 0;
    }

    .service-card.featured {
        transform: none;
    }

    .service-card.featured:hover {
        transform: translateY(-5px);
    }

    .feature-item {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .feature-num {
        width: 100%;
        margin-bottom: 0.5rem;
    }

    .feature-content h3 {
        justify-content: center;
        flex-direction: column;
    }

    .sp-only {
        display: block;
    }
}

@media (min-width: 769px) {
    .sp-only {
        display: none;
    }
}

/* Company Section */
.company-content {
    max-width: 900px;
    margin: 0 auto;
}

.company-heading {
    font-size: 1.5rem;
    color: var(--color-primary);
    border-left: 4px solid var(--color-gold);
    padding-left: 1rem;
    margin-bottom: 1.5rem;
}

.greeting-block {
    background: var(--color-white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    margin-bottom: 3rem;
}

.greeting-text p {
    margin-bottom: 1.5rem;
    line-height: 2;
    text-align: justify;
}

.greeting-sign {
    display: block;
    margin-top: 2rem;
    font-size: 1.1rem;
    text-align: right;
}

.company-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.profile-block,
.strength-block {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.profile-dl {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.profile-row dt {
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    border-bottom: 1px dashed #ddd;
    display: inline-block;
}

.history-dd {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.history-item {
    display: flex;
    gap: 1rem;
    font-size: 0.95rem;
}

.history-item .year {
    font-weight: 700;
    font-feature-settings: "palt";
    width: 3.5em;
    flex-shrink: 0;
}

.strength-lead {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--color-gold);
    padding-bottom: 1rem;
    display: inline-block;
}

.company-divider {
    border: none;
    border-top: 1px dashed #ccc;
    margin: 2rem 0;
}

.company-subheading {
    font-size: 1.3rem;
    color: var(--color-secondary);
    margin-bottom: 1rem;
}

.message-text {
    font-style: italic;
    color: #555;
    background: #f9f9f9;
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 3px solid var(--color-primary);
}

/* Logo Styles */
.logo-img {
    height: 50px;
    width: auto;
    vertical-align: middle;
}

.logo-img-footer {
    height: 50px;
    width: auto;
    background-color: #fff;
    border-radius: 50%;
    /* filter: invert(1); Removed to keep logo black */
}

/* Profile Photo Styles */
.profile-flex {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.profile-img-box {
    flex-shrink: 0;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--color-gold);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.profile-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    /* Focus on face */
}

@media (max-width: 600px) {
    .profile-flex {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .profile-dl {
        width: 100%;
    }

    .profile-row dt {
        display: block;
        margin-bottom: 0.5rem;
        border-bottom: none;
    }

    .profile-row {
        margin-bottom: 1.5rem;
    }
}

/* Logo Text Styles */
.logo-link {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    color: inherit;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    white-space: nowrap;
    padding-top: 0.2rem;
    /* Visual alignment */
}


/* Footer specific logo text adjustment */
.footer-logo .logo-text {
    color: var(--color-white);
}

.footer-logo .logo-link:hover {
    opacity: 0.8;
}

.logo-img-footer.long {
    height: 50px;
    /* Slightly larger for text readability */
    width: auto;
    filter: brightness(0) invert(1);
}

/* Unified Profile Styles */
.unified-profile {
    background: #fff;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 3rem;
}

.unified-profile-header {
    background: var(--color-primary);
    color: var(--color-white);
    text-align: center;
    padding: 2rem 1rem;
}

.profile-subtitle {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-white);
    opacity: 0.9;
}

.profile-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.4;
    color: var(--color-white);
}

.profile-title .small {
    font-size: 0.6em;
    font-weight: normal;
    margin: 0 0.2em;
}

.unified-profile-body {
    padding: 3rem;
    display: flex;
    gap: 3rem;
    align-items: flex-start;
}

.unified-profile-img {
    flex-shrink: 0;
    width: 300px;
}

.unified-profile-img img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.unified-profile-text {
    font-size: 1rem;
    line-height: 1.9;
    color: #333;
}

.unified-profile-text p {
    margin-bottom: 1.5rem;
    text-align: justify;
}

.profile-lead {
    font-weight: 700;
    font-size: 1.15rem;
    margin-bottom: 2rem;
    color: var(--color-primary);
}

@media (max-width: 900px) {
    .unified-profile-body {
        flex-direction: column;
        padding: 2rem;
        gap: 2rem;
    }

    .unified-profile-img {
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }

    .profile-title {
        font-size: 1.4rem;
    }

    .profile-lead {
        font-size: 1.05rem;
    }
}

/* Contact Form Styles */
.contact-section {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-light-bg);
}

.contact-form-wrapper {
    max-width: 700px;
    margin: 3rem auto 0;
    background: var(--color-white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 2rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.form-group .required {
    background: var(--color-accent);
    color: #fff;
    font-size: 0.7em;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 0.5rem;
    vertical-align: middle;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: 0.3s;
    background: #fafafa;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    background: #fff;
    outline: none;
    box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.1);
}

.form-action {
    text-align: center;
    margin-top: 2rem;
}

@media (max-width: 600px) {
    .contact-form-wrapper {
        padding: 1.5rem;
    }

    /* Typography Optimization for iPhone 15 (approx 393px width) */
    .main-copy {
        font-size: 2.2rem;
        /* Adjusted from clamp to be more specific/manageable */
        line-height: 1.4;
    }

    .sub-copy {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }

    .hero-lead {
        font-size: 0.95rem;
        line-height: 1.8;
    }

    .section-title {
        font-size: 1.8rem;
    }

    /* Mobile Menu Styles */
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        z-index: 100;
        display: flex;
        justify-content: center;
        align-items: center;
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        pointer-events: none;
        /* Prevent clicks when hidden */
    }

    .nav-menu.active {
        transform: translateX(0);
        pointer-events: auto;
    }

    .nav-menu ul {
        flex-direction: column;
        gap: 2.5rem;
        text-align: center;
    }

    .nav-menu a {
        font-size: 1.2rem;
        font-weight: 700;
        color: var(--color-primary);
        display: block;
        padding: 0.5rem;
    }

    .mobile-menu-btn {
        display: block;
        position: relative;
        z-index: 101;
        width: 40px;
        height: 40px;
    }

    .mobile-menu-btn span {
        position: absolute;
        left: 50%;
        width: 24px;
        height: 2px;
        background-color: var(--color-primary);
        transition: all 0.3s ease;
        transform: translateX(-50%);
    }

    .mobile-menu-btn span:nth-child(1) {
        top: 10px;
    }

    .mobile-menu-btn span:nth-child(2) {
        top: 19px;
    }

    .mobile-menu-btn span:nth-child(3) {
        bottom: 10px;
    }

    /* X Animation for Menu Button */
    .mobile-menu-btn.active span:nth-child(1) {
        transform: translate(-50%, 9px) rotate(45deg);
        top: 10px;
    }

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

    .mobile-menu-btn.active span:nth-child(3) {
        transform: translate(-50%, -9px) rotate(-45deg);
        bottom: 10px;
    }
}