:root {
    /* Colors */
    --primary: #0A2540; /* Deep Navy */
    --primary-light: #1A365D;
    --accent: #0066FF; /* Electric Blue */
    --accent-gradient: linear-gradient(135deg, #0066FF 0%, #00C6FF 100%);
    --text-main: #1E293B;
    --text-muted: #64748B;
    --bg-main: #FFFFFF;
    --bg-light: #F8FAFC;
    --border: #E2E8F0;
    
    /* Typography */
    --font-en: 'Inter', sans-serif;
    --font-jp: 'Noto Sans JP', sans-serif;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1100px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.05), 0 8px 10px -6px rgba(0,0,0,0.01);
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.05);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-jp);
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: var(--section-padding);
}

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

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

.bg-dark {
    background-color: var(--primary);
    color: #fff;
}

.text-white h2, .text-white p, .text-white h3 {
    color: #fff;
}

/* Gradient Text */
.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    color: #fff;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 4px 14px 0 rgba(0, 102, 255, 0.39);
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.5);
    color: #fff;
}

.btn-primary-small {
    background: var(--accent-gradient);
    color: #fff;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.btn-primary-small:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    color: #fff;
}

.btn-icon {
    width: 20px;
    height: 20px;
    margin-left: 8px;
    transition: transform 0.3s;
}

.btn-primary:hover .btn-icon {
    transform: translateX(4px);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-en);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.logo:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--accent-gradient);
    color: #fff;
    border-radius: 10px;
    padding: 8px;
    box-shadow: 0 4px 10px rgba(0, 102, 255, 0.3);
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-highlight {
    color: var(--accent);
    -webkit-text-fill-color: var(--accent);
    font-weight: 400;
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav a:not(.btn-primary-small) {
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.nav a:not(.btn-primary-small):hover {
    color: var(--accent);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 180px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    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;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(255,255,255,0.7) 0%, rgba(255,255,255,1) 100%);
}

.hero-content {
    text-align: center;
    max-width: 800px;
}

.hero-title {
    font-size: 2.8rem;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 48px;
}

/* Common Typography */
.section-title {
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 48px;
}

/* Empathy Block */
.checklist-card {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    max-width: 800px;
    margin: 48px auto;
    border: 1px solid var(--border);
}

.pain-list {
    list-style: none;
}

.pain-list li {
    display: flex;
    align-items: flex-start;
    font-size: 1.1rem;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--bg-light);
}

.pain-list li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.check-icon {
    width: 24px;
    height: 24px;
    color: var(--accent);
    margin-right: 16px;
    flex-shrink: 0;
    margin-top: 2px;
}

.empathy-conclusion {
    text-align: center;
    font-size: 1.25rem;
    margin-top: 40px;
}

.empathy-conclusion strong {
    color: var(--accent);
    font-size: 1.4rem;
    display: block;
    margin-top: 8px;
}

/* Solution Block */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 56px;
}

.feature-card {
    background: #fff;
    padding: 40px 32px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid transparent;
}

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

.feature-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin-bottom: 24px;
}

.feature-icon-wrapper svg {
    width: 32px;
    height: 32px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.feature-card p {
    color: var(--text-muted);
}

/* Examples Block */
.example-showcase {
    display: flex;
    align-items: flex-start;
    gap: 48px;
    margin-top: 56px;
}

.example-image {
    flex: 1;
    position: sticky;
    top: 120px;
}

.glass-img {
    border-radius: 24px;
    box-shadow: var(--shadow-glass);
    border: 1px solid rgba(255,255,255,0.5);
}

.example-cards {
    flex: 1.2;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.example-card {
    background: #fff;
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--accent);
    position: relative;
    overflow: hidden;
}

.example-badge {
    display: inline-block;
    background: var(--bg-light);
    color: var(--primary);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 6px 12px;
    border-radius: 50px;
    margin-bottom: 20px;
}

.before-after {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ba-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.ba-label {
    flex-shrink: 0;
    margin-top: 2px;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 4px;
}

.before .ba-label {
    background: #F1F5F9;
    color: var(--text-muted);
}

.after .ba-label {
    background: rgba(0, 102, 255, 0.1);
    color: var(--accent);
}

.example-voice {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px dashed var(--border);
    font-weight: 700;
    color: var(--primary);
}

/* Portfolio Block */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 56px;
}

.portfolio-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.portfolio-img-wrapper {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.portfolio-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.portfolio-card:hover .portfolio-img-wrapper img {
    transform: scale(1.05);
}

.empty-placeholder {
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.empty-placeholder svg {
    width: 48px;
    height: 48px;
    opacity: 0.2;
}

.coming-soon {
    font-family: var(--font-en);
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-muted);
    opacity: 0.5;
}

.portfolio-content {
    padding: 24px;
}

.portfolio-content h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.portfolio-content p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* Flow Block */
.step-container {
    max-width: 800px;
    margin: 56px auto 0;
}

.step-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 32px;
    background: #fff;
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.step-number {
    font-family: var(--font-en);
    font-size: 2.5rem;
    font-weight: 700;
    color: transparent;
    -webkit-text-stroke: 1px var(--border);
    margin-right: 24px;
    line-height: 1;
}

.step-item:hover .step-number {
    color: var(--accent);
    -webkit-text-stroke: 0;
    text-shadow: 0 4px 14px rgba(0, 102, 255, 0.2);
}

.step-content h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.step-meta {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-left: 8px;
}

.step-content p {
    color: var(--text-muted);
}

.pricing-card {
    max-width: 800px;
    margin: 48px auto 0;
    background: var(--primary);
    color: #fff;
    padding: 48px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.pricing-card h3 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 32px;
}

.pricing-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.pricing-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 32px;
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    font-size: 1.1rem;
}

.pricing-price {
    font-family: var(--font-en);
    font-weight: 700;
    font-size: 1.4rem;
    color: #00C6FF;
}

.pricing-note {
    font-size: 0.85rem;
    opacity: 0.7;
}

/* Profile Block */
.profile-inner {
    max-width: 900px;
    margin: 0 auto;
}

.profile .section-title {
    margin-bottom: 48px;
}

.profile-reasons {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.profile-reasons li {
    display: flex;
    align-items: flex-start;
    background: rgba(255,255,255,0.05);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.1);
}

.reason-icon {
    font-size: 2rem;
    margin-right: 24px;
}

.reason-text strong {
    display: block;
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: #fff;
}

.reason-text span {
    color: rgba(255,255,255,0.8);
}

/* FAQ Block */
.faq-list {
    max-width: 800px;
    margin: 48px auto 0;
}

.faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
}

.faq-q {
    padding: 24px;
    display: flex;
    align-items: center;
    cursor: pointer;
    background: #fff;
}

.faq-q span {
    color: var(--accent);
    font-family: var(--font-en);
    font-weight: 700;
    font-size: 1.5rem;
    margin-right: 16px;
}

.faq-q h4 {
    font-size: 1.1rem;
    flex: 1;
}

.faq-toggle {
    width: 24px;
    height: 24px;
    position: relative;
}

.faq-toggle::before, .faq-toggle::after {
    content: '';
    position: absolute;
    background: var(--text-muted);
    transition: var(--transition);
}

.faq-toggle::before {
    top: 11px;
    left: 4px;
    width: 16px;
    height: 2px;
}

.faq-toggle::after {
    top: 4px;
    left: 11px;
    width: 2px;
    height: 16px;
}

.faq-item.active .faq-toggle::after {
    transform: rotate(90deg);
    opacity: 0;
}

.faq-a {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
    background: var(--bg-light);
}

.faq-item.active .faq-a {
    padding: 0 24px 24px;
    max-height: 500px;
}

.faq-a p {
    color: var(--text-main);
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.faq-a strong {
    color: var(--primary);
    display: block;
    margin-bottom: 8px;
}

/* CTA & Form Block */
.contact-box {
    max-width: 700px;
    margin: 0 auto;
    background: #fff;
    padding: 56px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.contact-box h2 {
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.contact-box > p {
    color: var(--text-muted);
    margin-bottom: 40px;
}

.form-group {
    text-align: left;
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 700;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-light);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.w-100 {
    width: 100%;
}

/* Footer */
.footer {
    background: var(--primary);
    color: rgba(255,255,255,0.5);
    padding: 40px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-up {
    animation: fadeInUp 1s cubic-bezier(0.5, 0, 0, 1) forwards;
}

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

/* Responsive */
@media (max-width: 992px) {
    .example-showcase {
        flex-direction: column;
    }
    .example-image {
        position: static;
        margin-bottom: 32px;
    }
    .features-grid, .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        display: none; /* シンプルにするためスマホではナビを隠すかハンバーガーにする */
    }
    .hero-title {
        font-size: 2rem;
    }
    .section-padding {
        padding: 60px 0;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .features-grid, .portfolio-grid {
        grid-template-columns: 1fr;
    }
    .pricing-item {
        flex-direction: column;
        gap: 8px;
    }
    .contact-box {
        padding: 32px 20px;
    }
}

/* Form Success Message */
.form-success {
    padding: 40px 20px;
    animation: fadeInUp 0.5s ease-out forwards;
}

.success-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: rgba(0, 102, 255, 0.1);
    color: var(--accent);
    border-radius: 50%;
    margin-bottom: 24px;
}

.success-icon svg {
    width: 32px;
    height: 32px;
}

.form-success h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.form-success p {
    font-size: 1.1rem;
    margin-bottom: 24px;
    color: var(--text-main);
}

.success-note {
    font-size: 0.9rem !important;
    color: var(--text-muted) !important;
}

/* Button Loading State */
.btn-primary.loading {
    opacity: 0.8;
    cursor: not-allowed;
    pointer-events: none;
}
