:root {
    --navy: #ffffff;
    --navy-mid: #f0f5ff;
    --navy-light: #dbeafe;
    --blue: #1a56db;
    --blue-dark: #1e3a8a;
    --blue-mid: #2563eb;
    --blue-light: #eff6ff;
    --gold: #1a56db;
    --gold-light: #3b82f6;
    --gold-pale: #dbeafe;
    --cream: #f8faff;
    --white: #ffffff;
    --red-accent: #dc2626;
    --text-dark: #0f172a;
    --text-mid: #334155;
    --text-light: #64748b;
    --border: rgba(30, 58, 138, 0.12);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Noto Sans JP', sans-serif;
    background: #ffffff;
    color: #0f172a;
    overflow-x: hidden;
}

/* ── NOISE TEXTURE OVERLAY ── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    opacity: 0.4;
    pointer-events: none;
    z-index: 0;
}

/* ── NAV ── */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 0 48px;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(180, 196, 225, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(26,86,219,0.1);
}

.nav-logo {
    font-family: 'Shippori Mincho', serif;
    font-size: 15px;
    color: #1e3a8a;
    letter-spacing: 0.15em;
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: 36px;
    list-style: none;
}

.nav-links a {
    color: #1e3a8a;
    text-decoration: none;
    font-size: 13px;
    letter-spacing: 0.08em;
    transition: color 0.25s;
}

.nav-links a:hover { color: #1a56db; }

.nav-cta {
    background: #1a56db;
    color: #ffffff !important;
    padding: 9px 22px;
    border-radius: 2px;
    font-weight: 700;
    font-size: 13px !important;
    letter-spacing: 0.1em;
    transition: background 0.25s !important;
}

.nav-cta:hover { background: #1e40af !important; }

/* ── HERO ── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 80px 48px 48px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
            radial-gradient(ellipse 70% 60% at 80% 50%, rgba(160, 180, 218, 0.6) 0%, transparent 70%),
            radial-gradient(ellipse 40% 40% at 20% 80%, rgba(37,99,235,0.06) 0%, transparent 60%),
            linear-gradient(135deg, #f8faff 0%, #eff6ff 50%, #f0f5ff 100%);
}

/* Diagonal gold line decoration */
.hero-bg::after {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 45%;
    height: 100%;
    background: linear-gradient(180deg, rgba(37,99,235,0.05) 0%, transparent 100%);
    clip-path: polygon(20% 0%, 100% 0%, 100% 100%, 0% 100%);
}

/* Vertical Japanese text decoration */
.hero-kanji {
    position: absolute;
    right: 42%;
    top: 50%;
    transform: translateY(-50%);
    font-family: 'Shippori Mincho', serif;
    font-size: 120px;
    font-weight: 700;
    color: rgba(37,99,235,0.06);
    writing-mode: vertical-rl;
    letter-spacing: 0.15em;
    user-select: none;
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 48px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(37,99,235,0.08);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: 2px;
    font-size: 12px;
    color: #1a56db;
    letter-spacing: 0.12em;
    margin-bottom: 16px;
}

.hero-badge::before {
    content: '';
    width: 6px; height: 6px;
    background: #2563eb;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-label {
    font-family: 'Shippori Mincho', serif;
    font-size: 14px;
    letter-spacing: 0.25em;
    color: #1a56db;
    margin-bottom: 14px;
    font-weight: 500;
}

.hero h1 {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(36px, 4vw, 54px);
    font-weight: 900;
    line-height: 1.35;
    letter-spacing: -0.01em;
    margin-bottom: 16px;
    color: #0f172a;
}

.hero h1 em {
    font-style: normal;
    background: linear-gradient(135deg, #1a56db, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 15px;
    line-height: 2;
    color: rgba(15,25,50,0.7);
    letter-spacing: 0.04em;
    margin-bottom: 16px;
    max-width: 520px;
}

.hero-disclaimer {
    font-size: 11px;
    color: #64748b;
    letter-spacing: 0.06em;
    margin-bottom: 16px;
    padding-left: 12px;
    border-left: 2px solid rgba(37,99,235,0.2);
}

.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #1a56db 0%, #2563eb 100%);
    color: #ffffff;
    padding: 13px 28px;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.08em;
    text-decoration: none;
    border-radius: 2px;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 8px 28px rgba(26,86,219,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(26,86,219,0.4);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: #1a56db;
    padding: 13px 22px;
    font-size: 14px;
    letter-spacing: 0.06em;
    text-decoration: none;
    border: 1px solid rgba(26,86,219,0.35);
    border-radius: 2px;
    transition: all 0.25s;
}

.btn-secondary:hover {
    border-color: #1a56db;
    color: #1a56db;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 28px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(26,86,219,0.15);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-num {
    font-family: 'Shippori Mincho', serif;
    font-size: 26px;
    font-weight: 700;
    color: #1e3a8a;
    line-height: 1;
}

.stat-label {
    font-size: 11px;
    color: #475569;
    letter-spacing: 0.12em;
}

/* Hero Image Card */
.hero-card {
    position: relative;
}

.hero-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, #1a56db, transparent, #93c5fd);
    border-radius: 4px;
    opacity: 0.5;
}

.hero-card-inner {
    position: relative;
    background: var(--navy-mid);
    border-radius: 3px;
    overflow: hidden;
}

.hero-img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    display: block;
    filter: saturate(0.85) contrast(1.05);
}

/* Fallback persona card */
.persona-placeholder {
    width: 100%;
    aspect-ratio: 3/4;
    background: linear-gradient(160deg, var(--navy-light) 0%, var(--navy) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    position: relative;
    overflow: hidden;
}

.persona-placeholder::before {
    content: '賢';
    font-family: 'Shippori Mincho', serif;
    font-size: 200px;
    font-weight: 900;
    color: rgba(26,86,219,0.07);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.persona-avatar {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Shippori Mincho', serif;
    font-size: 60px;
    color: #ffffff;
    font-weight: 700;
    position: relative;
    z-index: 1;
    box-shadow: 0 0 60px rgba(200,168,75,0.3);
}

.persona-name {
    font-family: 'Shippori Mincho', serif;
    font-size: 22px;
    font-weight: 700;
    color: #0d1220;
    letter-spacing: 0.2em;
    position: relative;
    z-index: 1;
}

.persona-title {
    font-size: 12px;
    color: var(--gold);
    letter-spacing: 0.2em;
    position: relative;
    z-index: 1;
}

.card-overlay {
    position: absolute;
    bottom: 0;
    left: 0; right: 0;
    background: linear-gradient(0deg, rgba(5,15,40,0.92) 0%, rgba(5,15,40,0.7) 50%, transparent 100%);
    padding: 40px 24px 24px;
}

.card-tag {
    display: inline-block;
    background: #1a56db;
    color: #ffffff;
    font-size: 10px;
    font-weight: 700;
    padding: 4px 10px;
    letter-spacing: 0.15em;
    margin-bottom: 8px;
}

.card-name {
    font-family: 'Shippori Mincho', serif;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: #ffffff;
}

.card-subtitle {
    font-size: 12px;
    color: rgba(255,255,255,0.85);
    letter-spacing: 0.1em;
    margin-top: 6px;
}

/* ── SECTION BASE ── */
section {
    position: relative;
    z-index: 1;
}

.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(26,86,219,0.15), transparent);
    margin: 0 48px;
}

.section-label {
    font-size: 11px;
    letter-spacing: 0.3em;
    color: #1a56db;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.section-label::before, .section-label::after {
    content: '';
    flex: 1 1 40px;
    max-width: 40px;
    height: 1px;
    background: #1a56db;
    opacity: 0.25;
}
.section-label::before { order: -1; }

.section-title {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(28px, 3vw, 40px);
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: 0.02em;
    margin-bottom: 16px;
    text-align: center;
}

.section-subtitle {
    font-size: 14px;
    color: rgba(15,25,50,0.6);
    line-height: 2;
    text-align: center;
    max-width: 560px;
    margin: 0 auto 40px;
    letter-spacing: 0.06em;
}

/* ── LEARN SECTION ── */
.learn {
    padding: 64px 48px;
    background: #ffffff;
}

.learn-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2px;
    max-width: 1100px;
    margin: 0 auto;
    border: 1px solid rgba(26,86,219,0.12);
}

.learn-card {
    background: rgba(190, 204, 232, 0.6);
    padding: 28px 28px;
    position: relative;
    overflow: hidden;
    transition: background 0.3s;
    cursor: default;
    border: 1px solid transparent;
}

.learn-card:hover {
    background: rgba(160, 180, 218, 0.8);
    border-color: var(--border);
}

.learn-card::before {
    content: attr(data-num);
    position: absolute;
    top: 24px; right: 24px;
    font-family: 'Shippori Mincho', serif;
    font-size: 48px;
    font-weight: 900;
    color: rgba(26,86,219,0.07);
    line-height: 1;
}

.learn-icon {
    font-size: 26px;
    margin-bottom: 14px;
    display: block;
}

.learn-card h3 {
    font-family: 'Noto Serif JP', serif;
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 0.05em;
    color: #0d1220;
}

.learn-card p {
    font-size: 13px;
    line-height: 1.9;
    color: rgba(15,25,50,0.65);
    letter-spacing: 0.04em;
}

.learn-tag {
    display: inline-block;
    margin-top: 14px;
    background: rgba(37,99,235,0.08);
    border: 1px solid var(--border);
    color: var(--gold);
    font-size: 11px;
    padding: 4px 12px;
    letter-spacing: 0.12em;
}

/* ── PROCESS SECTION ── */
.process {
    padding: 64px 48px;
    background: linear-gradient(180deg, #f8faff 0%, #eff6ff 100%);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 52px;
    left: 12.5%;
    right: 12.5%;
    height: 1px;
    background: linear-gradient(90deg, #1a56db, rgba(26,86,219,0.2), #1a56db);
}

.process-step {
    padding: 0 24px;
    text-align: center;
    position: relative;
}

.step-num {
    width: 52px;
    height: 52px;
    border: 1.5px solid #1a56db;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Shippori Mincho', serif;
    font-size: 18px;
    font-weight: 700;
    color: #1a56db;
    margin: 0 auto 18px;
    background: #eff6ff;
    position: relative;
    z-index: 1;
}

.process-step h3 {
    font-family: 'Noto Serif JP', serif;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #0d1220;
    letter-spacing: 0.06em;
}

.process-step p {
    font-size: 13px;
    line-height: 1.9;
    color: rgba(15,25,50,0.65);
    letter-spacing: 0.04em;
}

/* ── FREE CONTENT SECTION ── */
.free-content {
    padding: 64px 48px;
    background: #f8faff;
}

.free-content .section-title { color: #0d1220; }
.free-content .section-subtitle { color: #1e2d4a; }
.free-content .section-label { color: #1a56db; }

.content-list {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.content-item {
    display: flex;
    align-items: center;
    gap: 28px;
    background: #ffffff;
    padding: 20px 24px;
    border-left: 3px solid #1a56db;
    transition: transform 0.2s, box-shadow 0.2s;
}

.content-item:hover {
    transform: translateX(4px);
    box-shadow: -4px 0 20px rgba(26,86,219,0.12);
}

.content-emoji { font-size: 28px; flex-shrink: 0; }

.content-body { flex: 1; }

.content-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 17px;
    font-weight: 700;
    color: #0d1220;
    margin-bottom: 6px;
    letter-spacing: 0.04em;
}

.content-desc {
    font-size: 13px;
    color: #1e2d4a;
    line-height: 1.8;
    letter-spacing: 0.04em;
}

.content-badge {
    background: #1a56db;
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    padding: 5px 14px;
    letter-spacing: 0.12em;
    flex-shrink: 0;
}

/* CTA Banner */
.cta-banner {
    max-width: 860px;
    margin: 40px auto 0;
    background: linear-gradient(135deg, #1e3a8a 0%, #1a56db 100%);
    padding: 28px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 200px; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06));
}

.cta-text h3 {
    font-family: 'Noto Serif JP', serif;
    font-size: 22px;
    font-weight: 700;
    color: #0d1220;
    margin-bottom: 6px;
}

.cta-text p {
    font-size: 13px;
    color: rgba(15,25,50,0.6);
    letter-spacing: 0.08em;
}

/* ── TESTIMONIALS ── */
.testimonials {
    padding: 64px 48px;
    background: #ffffff;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
    max-width: 960px;
    margin: 0 auto;
}

.testimonial {
    background: rgba(190, 204, 232, 0.6);
    padding: 24px;
    border: 1px solid var(--border);
    position: relative;
    transition: border-color 0.3s;
}

.testimonial:hover { border-color: rgba(26,86,219,0.35); box-shadow: 0 4px 20px rgba(26,86,219,0.08); }

.testimonial::before {
    content: '❝';
    position: absolute;
    top: 20px; right: 28px;
    font-size: 48px;
    color: rgba(26,86,219,0.08);
    font-family: serif;
    line-height: 1;
}

.stars {
    color: #f59e0b;
    font-size: 14px;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 14px;
    line-height: 2;
    color: #334155;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 14px;
    border-top: 1px solid rgba(26,86,219,0.1);
}

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1a56db, #3b82f6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Shippori Mincho', serif;
    font-weight: 700;
    font-size: 16px;
    color: #ffffff;
    flex-shrink: 0;
}

.author-info { display: flex; flex-direction: column; gap: 2px; }

.author-name {
    font-size: 13px;
    font-weight: 700;
    color: #0d1220;
    letter-spacing: 0.08em;
}

.author-role {
    font-size: 11px;
    color: rgba(15,25,50,0.45);
    letter-spacing: 0.1em;
}

/* ── FAQ ── */
.faq {
    padding: 64px 48px;
    background: #f0f5ff;
}

.faq-inner {
    max-width: 760px;
    margin: 0 auto;
}

.disclaimer-box {
    background: rgba(180, 196, 225, 0.8);
    border: 1px solid var(--border);
    border-left: 3px solid #1a56db;
    padding: 24px 28px;
    margin-bottom: 32px;
}

.disclaimer-box h3 {
    font-family: 'Noto Serif JP', serif;
    font-size: 16px;
    color: #1a56db;
    margin-bottom: 16px;
    letter-spacing: 0.1em;
}

.disclaimer-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.disclaimer-list li {
    font-size: 13px;
    color: rgba(15,25,50,0.6);
    line-height: 1.8;
    letter-spacing: 0.04em;
    padding-left: 18px;
    position: relative;
}

.disclaimer-list li::before {
    content: '・';
    position: absolute;
    left: 0;
    color: #1a56db;
    opacity: 0.6;
}

.faq-items { display: flex; flex-direction: column; gap: 2px; }

.faq-item {
    background: rgba(190, 204, 232, 0.5);
    border: 1px solid var(--border);
    overflow: hidden;
}

.faq-q {
    padding: 16px 22px;
    font-size: 14px;
    font-weight: 700;
    color: #0d1220;
    letter-spacing: 0.06em;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: color 0.25s;
    user-select: none;
}

.faq-q:hover { color: #1a56db; }

.faq-q-label {
    display: flex;
    align-items: center;
    gap: 12px;
}

.faq-q-label::before {
    content: 'Q';
    color: #1a56db;
    font-family: 'Shippori Mincho', serif;
    font-size: 16px;
    font-weight: 700;
}

.faq-toggle {
    width: 24px; height: 24px;
    border: 1px solid rgba(26,86,219,0.25);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
    color: #1a56db;
    flex-shrink: 0;
    transition: transform 0.3s;
}

.faq-item.open .faq-toggle { transform: rotate(45deg); }

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s;
    font-size: 13px;
    color: rgba(15,25,50,0.6);
    letter-spacing: 0.05em;
    line-height: 2;
}

.faq-item.open .faq-a {
    max-height: 200px;
    padding: 0 28px 22px 28px;
}

/* ── FINAL CTA ── */
.final-cta {
    padding: 72px 48px;
    background: linear-gradient(180deg, #f0f5ff 0%, #e8f0fe 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px; height: 400px;
    background: radial-gradient(ellipse, rgba(255,255,255,0.08) 0%, transparent 70%);
    pointer-events: none;
}

.final-cta-label {
    font-family: 'Shippori Mincho', serif;
    font-size: 12px;
    letter-spacing: 0.35em;
    color: rgba(255,255,255,0.6);
    margin-bottom: 16px;
}

.final-cta h2 {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 900;
    line-height: 1.4;
    margin-bottom: 14px;
    position: relative;
}

.final-cta p {
    font-size: 14px;
    color: rgba(15,25,50,0.6);
    letter-spacing: 0.08em;
    margin-bottom: 32px;
}

.final-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.final-btns .btn-secondary {
    color: #1a56db;
    border-color: rgba(26,86,219,0.4);
    background: transparent;
}
.final-btns .btn-secondary:hover {
    border-color: #1a56db;
    color: #1a56db;
    background: rgba(26,86,219,0.06);
}

/* ── FOOTER ── */
footer {
    background: #c0ccdf;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 28px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-logo {
    font-family: 'Shippori Mincho', serif;
    font-size: 14px;
    color: var(--gold);
    letter-spacing: 0.15em;
}

.footer-links {
    display: flex;
    gap: 28px;
    list-style: none;
}

.footer-links a {
    font-size: 12px;
    color: rgba(15,25,50,0.4);
    text-decoration: none;
    letter-spacing: 0.08em;
    transition: color 0.2s;
}

.footer-links a:hover { color: #93c5fd; }

.footer-copy {
    font-size: 11px;
    color: rgba(255,255,255,0.3);
    letter-spacing: 0.08em;
}

/* ── ANIMATIONS ── */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.7s ease forwards;
}

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

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.25s; }
.delay-3 { animation-delay: 0.4s; }
.delay-4 { animation-delay: 0.55s; }

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: none;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
    nav { padding: 0 24px; }
    .nav-links { display: none; }

    .hero { padding: 76px 20px 40px; }
    .hero-inner { grid-template-columns: 1fr; gap: 28px; }
    .hero-card { max-width: 360px; margin: 0 auto; width: 100%; }
    .hero-kanji { display: none; }
    .hero { min-height: auto; }
    .hero-stats { gap: 18px; }

    .learn, .process, .free-content, .testimonials, .faq, .final-cta {
        padding: 48px 20px;
    }

    .section-divider { margin: 0 24px; }

    .process-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .process-steps::before { display: none; }

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

    footer { flex-direction: column; text-align: center; gap: 16px; }
    .footer-links { flex-wrap: wrap; justify-content: center; }

    .cta-banner { flex-direction: column; text-align: center; padding: 24px 20px; }

    .learn-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .hero h1 { font-size: 28px; }
    .section-title { font-size: 22px; }
    .hero-stats { flex-wrap: wrap; gap: 14px; }
    .stat-num { font-size: 22px; }
    nav { padding: 0 16px; }
    .nav-logo { font-size: 12px; letter-spacing: 0.06em; }
    .hero { padding: 70px 16px 36px; }
    .learn, .process, .free-content, .testimonials, .faq, .final-cta { padding: 40px 16px; }
    .content-item { gap: 14px; padding: 16px; }
    .learn-card { padding: 22px 20px; }
    .btn-primary { font-size: 13px; padding: 12px 20px; }
    .hero-card { max-width: 280px; }
    .process-steps { grid-template-columns: 1fr; }
    footer { padding: 20px 16px; }
    .final-cta { padding: 48px 16px; }
}
/* ── STICKY CTA BUTTON ── */
.sticky-cta {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 200;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.35s ease, transform 0.35s ease;
    transform: translateX(-50%) translateY(12px);
}

.sticky-cta.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.sticky-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #1a56db 0%, #2563eb 100%);
    color: #ffffff;
    text-decoration: none;
    padding: 14px 28px;
    border-radius: 50px;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.08em;
    box-shadow: 0 8px 32px rgba(26,86,219,0.4), 0 2px 8px rgba(0,0,0,0.15);
    transition: transform 0.2s, box-shadow 0.2s;
    white-space: nowrap;
}

.sticky-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 40px rgba(26,86,219,0.5), 0 4px 12px rgba(0,0,0,0.15);
}

.sticky-btn:active {
    transform: translateY(0);
}

.sticky-btn-icon { font-size: 16px; }

.sticky-btn-arrow {
    font-size: 16px;
    transition: transform 0.2s;
}

.sticky-btn:hover .sticky-btn-arrow {
    transform: translateX(3px);
}

@media (max-width: 480px) {
    .sticky-cta { bottom: 16px; }
    .sticky-btn { font-size: 13px; padding: 12px 22px; gap: 8px; }
}


/* ── TRUST BAR ── */
.trust-bar {
    background: rgba(239,246,255,0.95);
    border-top: 1px solid rgba(26,86,219,0.1);
    border-bottom: 1px solid rgba(26,86,219,0.1);
    padding: 18px 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}
.trust-label {
    font-size: 11px;
    letter-spacing: 0.2em;
    color: #94a3b8;
    white-space: nowrap;
    margin-right: 8px;
}
.trust-logos {
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
    justify-content: center;
}
.trust-logo {
    font-family: 'Shippori Mincho', serif;
    font-size: 14px;
    font-weight: 700;
    color: rgba(255,255,255,0.3);
    letter-spacing: 0.1em;
    white-space: nowrap;
    transition: color 0.3s;
}
.trust-logo:hover { color: #1a56db; }
.trust-logo span {
    display: inline-block;
    border: 1px solid currentColor;
    padding: 3px 10px;
    font-size: 11px;
    letter-spacing: 0.15em;
}
@media (max-width: 900px) {
    .trust-bar { padding: 14px 20px; gap: 8px; }
    .trust-logos { gap: 18px; }
    .trust-logo { font-size: 12px; }
}
@media (max-width: 480px) {
    .trust-logo { font-size: 11px; }
    .trust-logos { gap: 12px; }
}
@media (max-width: 900px) {
}
@media (max-width: 480px) {
}

/* ── COUNTER ANIMATION ── */
.stat-num { transition: none; }

/* ── MOBILE HAMBURGER NAV ── */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 6px;
    background: none;
    border: none;
    z-index: 110;
}
.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #1a56db;
    transition: transform 0.3s, opacity 0.3s;
    border-radius: 2px;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile-menu {
    pointer-events: none;
    display: none;
    position: fixed;
    top: 68px;
    left: 0; right: 0;
    background: rgba(239,246,255,0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(26,86,219,0.1);
    padding: 20px 24px 28px;
    z-index: 99;
    flex-direction: column;
    gap: 4px;
    transform: translateY(-8px);
    opacity: 0;
    transition: opacity 0.25s, transform 0.25s;
}
.nav-mobile-menu.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}
.nav-mobile-menu a {
    display: block;
    padding: 14px 0;
    font-size: 16px;
    color: rgba(15,25,50,0.8);
    text-decoration: none;
    letter-spacing: 0.1em;
    border-bottom: 1px solid rgba(26,86,219,0.12);
    font-family: 'Noto Sans JP', sans-serif;
    transition: color 0.2s;
}
.nav-mobile-menu a:last-child { border-bottom: none; }
.nav-mobile-menu a:hover { color: #1a56db; }
.nav-mobile-menu .nav-cta-mob {
    margin-top: 12px;
    display: block;
    background: linear-gradient(135deg, #1a56db, #3b82f6);
    color: var(--navy) !important;
    text-align: center;
    padding: 14px !important;
    font-weight: 700;
    border-radius: 2px;
    border: none !important;
    font-size: 15px !important;
}

@media (max-width: 900px) {
    .nav-hamburger { display: flex; }
    .nav-links { display: none !important; }
    .nav-mobile-menu { display: flex; }
}

/* Photo card enhancement */
.hero-card-inner { position: relative; }
.photo-frame-corner {
    position: absolute;
    width: 28px;
    height: 28px;
    z-index: 5;
    pointer-events: none;
}
.photo-frame-corner.tl { top: 12px; left: 12px; border-top: 2px solid #3b82f6; border-left: 2px solid #3b82f6; }
.photo-frame-corner.tr { top: 12px; right: 12px; border-top: 2px solid #3b82f6; border-right: 2px solid #3b82f6; }
.photo-frame-corner.bl { bottom: 70px; left: 12px; border-bottom: 2px solid #3b82f6; border-left: 2px solid #3b82f6; }
.photo-frame-corner.br { bottom: 70px; right: 12px; border-bottom: 2px solid #3b82f6; border-right: 2px solid #3b82f6; }


/* Anchor offset for fixed nav */
#learn, #voice, #faq, #cta { scroll-margin-top: 80px; }