/**
 * 根っ子学 Landing Page - 専用スタイル
 * Lightning Childテーマ用
 * 
 * このCSSはLP専用ページにのみ適用されます
 * 既存のLightningテーマには影響しません
 */

/* ========================================
   Reset & Base
======================================== */
.nekkogaku-lp {
    margin: 0;
    padding: 0;
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
    font-size: 16px;
    line-height: 1.7;
    color: #333;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.nekkogaku-lp *,
.nekkogaku-lp *::before,
.nekkogaku-lp *::after {
    box-sizing: border-box;
}

.nekkogaku-lp h1,
.nekkogaku-lp h2,
.nekkogaku-lp h3,
.nekkogaku-lp h4 {
    margin: 0;
    font-weight: 700;
    line-height: 1.3;
}

.nekkogaku-lp p {
    margin: 0;
}

.nekkogaku-lp ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nekkogaku-lp a {
    text-decoration: none;
    color: inherit;
}

/* ========================================
   CSS Variables
======================================== */
.nekkogaku-lp {
    --nkg-dark-1: #0a0d14;
    --nkg-dark-2: #111827;
    --nkg-dark-3: #1a202c;
    --nkg-dark-4: #1e2533;
    --nkg-dark-5: #2d3748;
    --nkg-dark-6: #44403c;
    --nkg-amber-dark: #78350f;
    --nkg-amber-mid: #92400e;
    --nkg-amber-light: #b45309;
    --nkg-amber: #d97706;
    --nkg-amber-bright: #fbbf24;
    --nkg-cream: #fef3c7;
    --nkg-cream-light: #fffbeb;
    --nkg-white: #ffffff;
    --nkg-gray-100: #f3f4f6;
    --nkg-gray-300: #d1d5db;
    --nkg-gray-400: #9ca3af;
    --nkg-gray-500: #6b7280;
    --nkg-gray-600: #4b5563;
    --nkg-gray-800: #1f2937;
}

/* ========================================
   Layout
======================================== */
.nkg-section {
    padding: 6rem 1.5rem;
}

.nkg-container {
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
}

.nkg-container-narrow {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

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

.nkg-section-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.nkg-section-header p {
    color: rgba(255, 255, 255, 0.85);
}

/* ========================================
   Utility Classes
======================================== */
.nkg-highlight {
    color: var(--nkg-amber-bright);
}

.nkg-emphasis {
    color: var(--nkg-amber-bright);
    font-weight: 600;
}

.nkg-amber {
    color: var(--nkg-amber-bright);
}

.nkg-label {
    display: block;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.25rem;
}

.nkg-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(245, 158, 11, 0.2);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 9999px;
    font-size: 0.875rem;
    color: var(--nkg-amber-bright);
    margin-bottom: 1.5rem;
}

/* ========================================
   Glass Effects
======================================== */
.nkg-glass-dark {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.nkg-glass-light {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* ========================================
   SECTION 1: Hero
======================================== */
.nkg-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, var(--nkg-dark-1) 0%, var(--nkg-dark-2) 50%, var(--nkg-dark-3) 100%);
}

.nkg-hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.nkg-hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
}

.nkg-hero-orb-1 {
    top: 25%;
    left: 25%;
    width: 24rem;
    height: 24rem;
    background: rgba(120, 53, 15, 0.1);
    animation: nkg-float 6s ease-in-out infinite;
}

.nkg-hero-orb-2 {
    bottom: 25%;
    right: 25%;
    width: 20rem;
    height: 20rem;
    background: rgba(71, 85, 105, 0.2);
    animation: nkg-float 6s ease-in-out infinite;
    animation-delay: -3s;
}

.nkg-hero-noise {
    position: absolute;
    inset: 0;
    opacity: 0.3;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

@keyframes nkg-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.nkg-hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
    padding: 0 1.5rem;
}

.nkg-hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 9999px;
    color: rgba(254, 243, 199, 0.8);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    margin-bottom: 2rem;
}

.nkg-hero-title {
    font-size: 2.5rem;
    color: var(--nkg-white);
    line-height: 1.3;
    margin-bottom: 2rem;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.nkg-hero-subtitle {
    font-size: 1.25rem;
    color: var(--nkg-gray-300);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.nkg-scroll-indicator {
    animation: nkg-bounce 2s infinite;
    color: var(--nkg-gray-400);
}

.nkg-scroll-indicator span {
    display: block;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.nkg-scroll-indicator svg {
    color: var(--nkg-amber-bright);
    margin: 0 auto;
}

@keyframes nkg-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ========================================
   SECTION 2: Pains
======================================== */
.nkg-pains {
    background: linear-gradient(180deg, var(--nkg-dark-3) 0%, var(--nkg-dark-4) 100%);
    color: var(--nkg-white);
}

.nkg-pains-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.nkg-pain-card {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 1.5rem 1rem;
    text-align: center;
    transition: all 0.3s ease;
}

.nkg-pain-card:hover {
    background: rgba(255, 255, 255, 0.1);
}

.nkg-pain-icon {
    display: block;
    font-size: 2rem;
    margin-bottom: 0.75rem;
    transition: transform 0.3s ease;
}

.nkg-pain-card:hover .nkg-pain-icon {
    transform: scale(1.1);
}

.nkg-pain-title {
    display: block;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.95);
}

.nkg-pains-question {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
}

.nkg-question-main {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 0.5rem;
}

.nkg-question-sub {
    color: rgba(255, 255, 255, 0.7);
}

/* ========================================
   SECTION 3: Transition
======================================== */
.nkg-transition {
    background: linear-gradient(180deg, var(--nkg-dark-4) 0%, var(--nkg-dark-5) 100%);
    color: var(--nkg-white);
    text-align: center;
    padding: 8rem 1.5rem;
}

.nkg-transition-prefix {
    color: var(--nkg-amber-bright);
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.nkg-transition-question {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.nkg-transition-answer {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

/* ========================================
   SECTION 4: Mirror
======================================== */
.nkg-mirror {
    background: linear-gradient(180deg, var(--nkg-dark-5) 0%, var(--nkg-dark-6) 50%, var(--nkg-amber-dark) 100%);
    color: var(--nkg-white);
}

.nkg-mirror-subtitle {
    font-size: 1.25rem;
    color: rgba(254, 243, 199, 0.8);
}

.nkg-mirror-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.nkg-mirror-card {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 1.5rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: all 0.4s ease;
}

.nkg-mirror-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.nkg-mirror-surface {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    flex: 1;
}

.nkg-mirror-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.nkg-mirror-surface-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    color: #ffffff;
}

.nkg-mirror-surface-content p {
    color: rgba(255, 255, 255, 0.75);
}

.nkg-mirror-arrow {
    text-align: center;
    color: var(--nkg-amber);
}

.nkg-mirror-root {
    flex: 1;
    background: linear-gradient(to right, rgba(120, 53, 15, 0.4), rgba(146, 64, 14, 0.3));
    padding: 1.25rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(217, 119, 6, 0.3);
}

.nkg-mirror-root .nkg-label {
    color: var(--nkg-amber-bright);
}

.nkg-mirror-root p {
    font-size: 1.125rem;
    color: var(--nkg-cream);
}

.nkg-mirror-notes {
    text-align: center;
    margin-top: 4rem;
}

.nkg-mirror-notes p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.nkg-mirror-notes .nkg-amber {
    color: var(--nkg-amber-bright);
}

/* ========================================
   SECTION 5: About
======================================== */
.nkg-about {
    background: linear-gradient(180deg, var(--nkg-amber-dark) 0%, var(--nkg-amber-mid) 100%);
    color: var(--nkg-white);
}

.nkg-about-logo {
    width: 6rem;
    height: 6rem;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--nkg-amber-bright), var(--nkg-amber));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.nkg-about .nkg-section-header h2 {
    font-size: 2.5rem;
}

.nkg-about-tagline {
    font-size: 1.5rem;
    color: var(--nkg-cream);
}

.nkg-about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.nkg-about-concepts,
.nkg-about-model {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 2rem;
}

.nkg-about-concepts h3,
.nkg-about-model h3 {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.nkg-concepts-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.nkg-concept-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.nkg-concept-num {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--nkg-amber), var(--nkg-amber-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.nkg-concept-content h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: #ffffff;
}

.nkg-concept-content p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
}

.nkg-about-model {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.nkg-layer-model {
    margin: 2rem 0;
}

.nkg-layer {
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: transform 0.3s ease;
}

.nkg-layer:hover {
    transform: scale(1.02);
}

.nkg-layer-1 {
    width: 16rem;
    height: 16rem;
    border: 2px solid rgba(156, 163, 175, 0.5);
}

.nkg-layer-2 {
    width: 12rem;
    height: 12rem;
    border: 2px solid rgba(156, 163, 175, 0.4);
}

.nkg-layer-3 {
    width: 8rem;
    height: 8rem;
    border: 2px solid rgba(156, 163, 175, 0.3);
}

.nkg-layer-core {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, var(--nkg-amber-bright), var(--nkg-amber));
    box-shadow: 0 0 30px rgba(217, 119, 6, 0.3);
    font-size: 0.75rem;
    font-weight: bold;
}

.nkg-layer-label {
    position: absolute;
    background: var(--nkg-amber-mid);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    white-space: nowrap;
}

.nkg-layer-label-top {
    top: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
}

.nkg-layer-label-left {
    top: 50%;
    left: -2.5rem;
    transform: translateY(-50%);
}

.nkg-layer-label-right {
    top: 50%;
    right: -2.5rem;
    transform: translateY(-50%);
}

.nkg-layer-note {
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
}

/* ========================================
   SECTION 6: Founder
======================================== */
.nkg-founder {
    background: linear-gradient(180deg, var(--nkg-amber-mid) 0%, var(--nkg-amber-light) 100%);
    color: var(--nkg-white);
}

.nkg-founder-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    align-items: center;
}

.nkg-founder-photo {
    text-align: center;
}

.nkg-founder-photo-frame {
    width: 10rem;
    height: 10rem;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--nkg-amber-bright), var(--nkg-amber));
    padding: 4px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.nkg-founder-photo-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.nkg-founder-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--nkg-amber-mid);
    font-size: 4rem;
}

.nkg-founder-name {
    font-size: 1.25rem;
    font-weight: bold;
    color: #ffffff;
}

.nkg-founder-title {
    color: rgba(254, 243, 199, 0.9);
}

.nkg-founder-story {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 1rem;
    padding: 2rem;
}

.nkg-founder-story h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.nkg-founder-points {
    margin-bottom: 2rem;
}

.nkg-founder-points li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--nkg-cream-light);
}

.nkg-founder-points li::before {
    content: '';
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: var(--nkg-amber-bright);
    flex-shrink: 0;
}

.nkg-founder-quote {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    padding: 1.5rem;
    border-left: 4px solid var(--nkg-amber-bright);
}

.nkg-quote-label {
    display: block;
    font-size: 0.875rem;
    color: var(--nkg-amber-bright);
    margin-bottom: 0.5rem;
}

.nkg-founder-quote p {
    font-size: 1.25rem;
    font-style: italic;
    line-height: 1.8;
}

/* ========================================
   SECTION 7: Testimonials
======================================== */
.nkg-testimonials {
    background: linear-gradient(180deg, var(--nkg-amber-light) 0%, var(--nkg-amber) 100%);
    color: var(--nkg-white);
}

.nkg-testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.nkg-testimonial-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 1rem;
    padding: 1.5rem;
    color: var(--nkg-gray-800);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.nkg-testimonial-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.nkg-testimonial-avatar {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--nkg-amber-bright), var(--nkg-amber));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.nkg-testimonial-name {
    font-weight: bold;
}

.nkg-testimonial-age {
    color: var(--nkg-gray-500);
}

.nkg-testimonial-before {
    background: var(--nkg-gray-100);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 0.75rem;
}

.nkg-testimonial-before .nkg-label {
    color: var(--nkg-gray-500);
}

.nkg-testimonial-arrow {
    text-align: center;
    color: var(--nkg-amber);
    font-size: 1.25rem;
    margin: 0.5rem 0;
}

.nkg-testimonial-after {
    background: var(--nkg-cream-light);
    border: 1px solid var(--nkg-cream);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1rem;
}

.nkg-testimonial-after .nkg-label {
    color: var(--nkg-amber);
}

.nkg-testimonial-result {
    text-align: center;
    font-weight: bold;
    font-size: 1.125rem;
    color: var(--nkg-amber-light);
}

/* ========================================
   SECTION 8: Future
======================================== */
.nkg-future {
    background: linear-gradient(180deg, var(--nkg-amber) 0%, var(--nkg-amber-bright) 50%, var(--nkg-cream) 100%);
    color: var(--nkg-gray-800);
    text-align: center;
}

.nkg-future-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.nkg-future h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.nkg-future-subtitle {
    font-size: 1.25rem;
    color: var(--nkg-gray-600);
    margin-bottom: 3rem;
}

.nkg-benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.nkg-benefit-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
}

.nkg-benefit-card:hover {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.nkg-benefit-icon {
    display: block;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.nkg-benefit-text {
    font-size: 1.125rem;
    font-weight: 600;
}

/* ========================================
   SECTION 9: CTA
======================================== */
.nkg-cta {
    background: linear-gradient(180deg, var(--nkg-cream) 0%, var(--nkg-cream-light) 100%);
}

.nkg-cta-box {
    background: var(--nkg-white);
    border-radius: 1.5rem;
    padding: 3rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    text-align: center;
}

.nkg-cta-box h2 {
    font-size: 1.75rem;
    color: var(--nkg-gray-800);
    margin-bottom: 0.5rem;
}

.nkg-cta-subtitle {
    color: var(--nkg-gray-500);
    margin-bottom: 2rem;
}

.nkg-btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.nkg-btn-primary {
    background: linear-gradient(135deg, var(--nkg-amber), var(--nkg-amber-light));
    color: var(--nkg-white);
    box-shadow: 0 10px 30px rgba(217, 119, 6, 0.3);
    padding: 1.25rem 3rem;
}

.nkg-btn-primary:hover {
    background: linear-gradient(135deg, var(--nkg-amber-light), var(--nkg-amber-mid));
    box-shadow: 0 15px 40px rgba(217, 119, 6, 0.4);
    transform: translateY(-2px);
}

.nkg-btn-primary span {
    display: block;
    font-size: 0.875rem;
    font-weight: normal;
    opacity: 0.8;
    margin-top: 0.25rem;
}

.nkg-btn-secondary {
    background: transparent;
    border: 2px solid var(--nkg-gray-300);
    color: var(--nkg-gray-600);
}

.nkg-btn-secondary:hover {
    border-color: var(--nkg-amber);
    color: var(--nkg-amber);
}

.nkg-cta-or {
    color: var(--nkg-gray-400);
    margin: 1rem 0;
}

.nkg-cta-email {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--nkg-gray-100);
}

.nkg-cta-email > p {
    color: var(--nkg-gray-600);
    margin-bottom: 1rem;
}

.nkg-email-form {
    display: flex;
    gap: 0.75rem;
    max-width: 400px;
    margin: 0 auto;
}

.nkg-email-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--nkg-gray-300);
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 1rem;
}

.nkg-email-form input:focus {
    outline: none;
    border-color: var(--nkg-amber);
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.2);
}

.nkg-email-form button {
    padding: 0.75rem 1.5rem;
    background: var(--nkg-amber);
    color: var(--nkg-white);
    border: none;
    border-radius: 0.5rem;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.nkg-email-form button:hover {
    background: var(--nkg-amber-light);
}

/* ========================================
   FOOTER
======================================== */
.nkg-footer {
    background: var(--nkg-dark-2);
    color: var(--nkg-gray-400);
    padding: 4rem 1.5rem;
}

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

.nkg-footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.nkg-footer-logo span:first-child {
    font-size: 1.5rem;
}

.nkg-footer-logo span:last-child {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--nkg-white);
}

.nkg-footer-links h4,
.nkg-footer-social h4 {
    color: var(--nkg-white);
    margin-bottom: 1rem;
}

.nkg-footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nkg-footer-links a:hover {
    color: var(--nkg-amber-bright);
}

.nkg-social-links {
    display: flex;
    gap: 1rem;
}

.nkg-social-links a {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--nkg-gray-800);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: background 0.3s ease;
}

.nkg-social-links a:hover {
    background: var(--nkg-amber);
}

.nkg-footer-copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--nkg-gray-800);
}

/* ========================================
   Responsive
======================================== */
@media (max-width: 1024px) {
    .nkg-mirror-card {
        flex-direction: column;
    }
    
    .nkg-mirror-arrow svg {
        transform: rotate(90deg);
    }
    
    .nkg-about-grid {
        grid-template-columns: 1fr;
    }
    
    .nkg-founder-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nkg-section {
        padding: 4rem 1rem;
    }
    
    .nkg-hero-title {
        font-size: 1.75rem;
    }
    
    .nkg-hero-subtitle {
        font-size: 1rem;
    }
    
    .nkg-section-header h2 {
        font-size: 1.5rem;
    }
    
    .nkg-pains-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .nkg-transition-question {
        font-size: 1.5rem;
    }
    
    .nkg-testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .nkg-benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .nkg-footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .nkg-footer-logo,
    .nkg-social-links {
        justify-content: center;
    }
    
    .nkg-email-form {
        flex-direction: column;
    }
    
    .nkg-layer-1 {
        width: 12rem;
        height: 12rem;
    }
    
    .nkg-layer-2 {
        width: 9rem;
        height: 9rem;
    }
    
    .nkg-layer-3 {
        width: 6rem;
        height: 6rem;
    }
    
    .nkg-layer-core {
        width: 3rem;
        height: 3rem;
        font-size: 0.625rem;
    }
    
    .nkg-layer-label {
        font-size: 0.75rem;
        padding: 0.125rem 0.5rem;
    }
    
    .nkg-layer-label-left {
        left: -2rem;
    }
    
    .nkg-layer-label-right {
        right: -2rem;
    }
}

/* ========================================
   WordPress Admin Bar Fix
======================================== */
.admin-bar .nkg-hero {
    min-height: calc(100vh - 32px);
}

@media (max-width: 782px) {
    .admin-bar .nkg-hero {
        min-height: calc(100vh - 46px);
    }
}

/* ========================================
   Hide Lightning Default Elements
======================================== */
.nekkogaku-lp .vk-mobile-nav,
.nekkogaku-lp .site-header,
.nekkogaku-lp .site-footer,
.nekkogaku-lp .vk-footer,
.nekkogaku-lp #vk-mobile-nav {
    display: none !important;
}