/* ========================================
   SmartNote LP - Modern Design
   ダーク基調のヒーロー + 明るいセクション
======================================== */

:root {
    /* カラーパレット */
    --bg-dark: #0A0E27;
    --bg-dark-2: #131738;
    --bg-light: #FFFFFF;
    --bg-gray: #F5F7FB;
    --bg-accent: #EEF2FF;

    --text-dark: #0A0E27;
    --text-body: #3A4057;
    --text-muted: #7A8299;
    --text-light: #FFFFFF;
    --text-light-muted: rgba(255, 255, 255, 0.7);

    --accent: #4F8CFF;
    --accent-2: #7B61FF;
    --accent-light: #A8C5FF;
    --accent-soft: #EEF2FF;

    --gradient-hero: linear-gradient(180deg, #EEF2FF 0%, #F8FAFF 50%, #FFFFFF 100%);
    --gradient-benefit: linear-gradient(135deg, #EEF2FF 0%, #F0EEFF 100%);
    --gradient-cta: linear-gradient(180deg, #F5F7FF 0%, #FFFFFF 100%);
    --gradient-accent: linear-gradient(135deg, #4F8CFF 0%, #7B61FF 100%);
    --gradient-text: linear-gradient(135deg, #4F8CFF 0%, #7B61FF 100%);

    --border-light: #E5E9F2;
    --border-dark: rgba(255, 255, 255, 0.08);

    --shadow-sm: 0 4px 12px rgba(10, 14, 39, 0.08);
    --shadow-md: 0 12px 32px rgba(10, 14, 39, 0.12);
    --shadow-lg: 0 24px 60px rgba(10, 14, 39, 0.16);
    --shadow-accent: 0 12px 40px rgba(79, 140, 255, 0.4);

    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 32px;
    --radius-pill: 999px;

    --font-sans: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-jp: 'Noto Sans JP', 'Inter', -apple-system, sans-serif;

    --container-max: 1240px;
    --container-narrow: 840px;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-jp);
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-body);
    background: var(--bg-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s var(--ease-out);
}

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

strong {
    font-weight: 700;
    color: var(--text-dark);
}

ul {
    list-style: none;
}

/* ========================================
   Utilities
======================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow {
    max-width: var(--container-narrow);
}

.accent {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.accent-light {
    color: var(--accent-light);
}

.highlight {
    display: inline;
    background: linear-gradient(180deg, transparent 65%, rgba(79, 140, 255, 0.25) 65%);
    padding: 0 4px;
    font-weight: 700;
    color: var(--text-dark);
}

/* ========================================
   Scroll Reveal Animation
======================================== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}

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

.delay-1 {
    transition-delay: 0.15s;
}

.delay-2 {
    transition-delay: 0.3s;
}

.delay-3 {
    transition-delay: 0.45s;
}

/* ========================================
   Section Head
======================================== */
.section-head {
    margin-bottom: 72px;
}

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

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 20px;
    padding: 6px 14px;
    background: var(--accent-soft);
    border-radius: var(--radius-pill);
}

.section-title {
    font-size: clamp(28px, 4.5vw, 48px);
    font-weight: 900;
    line-height: 1.3;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

.section-title.light {
    color: var(--text-light);
}

.title-strike {
    position: relative;
    display: inline-block;
}

/* ========================================
   Buttons
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 700;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all 0.3s var(--ease-out);
    border: none;
    text-decoration: none;
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--text-light);
    box-shadow: var(--shadow-accent);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #6FA0FF 0%, #9477FF 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 48px rgba(79, 140, 255, 0.55);
}

.btn-primary span,
.btn-primary svg {
    position: relative;
    z-index: 1;
}

.btn-large {
    padding: 20px 40px;
    font-size: 18px;
}

/* ========================================
   Header
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    transition: all 0.3s var(--ease-out);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 2px 20px rgba(10, 14, 39, 0.04);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 18px;
    color: var(--text-dark);
    transition: color 0.3s;
}

.logo-icon {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.header-cta {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-light);
    background: var(--gradient-accent);
    border: none;
    border-radius: var(--radius-pill);
    box-shadow: 0 4px 12px rgba(79, 140, 255, 0.3);
}

.header-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(79, 140, 255, 0.45);
}

/* ========================================
   Section 1: Hero (Light)
======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    padding: 140px 0 80px;
    background: var(--gradient-hero);
    color: var(--text-dark);
    overflow: hidden;
    display: flex;
    align-items: center;
}

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

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.35;
}

.glow-1 {
    top: -10%;
    right: -10%;
    width: 50%;
    height: 50%;
    background: var(--accent);
    opacity: 0.25;
}

.glow-2 {
    bottom: -20%;
    left: -10%;
    width: 45%;
    height: 45%;
    background: var(--accent-2);
    opacity: 0.2;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(79, 140, 255, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(79, 140, 255, 0.07) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    margin-bottom: 28px;
    font-size: 13px;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(79, 140, 255, 0.2);
    border-radius: var(--radius-pill);
    color: var(--accent);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(79, 140, 255, 0.06);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--accent);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.hero-title {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -0.025em;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.title-accent {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-sub {
    font-size: 17px;
    line-height: 1.9;
    color: var(--text-body);
    margin-bottom: 40px;
}

.hero-sub strong {
    color: var(--text-dark);
    font-weight: 700;
}

.hero-cta-row {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.hero-cta-note {
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-muted);
}

/* Hero Phone Mockup */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-phone {
    position: relative;
    max-width: 540px;
    animation: float 6s ease-in-out infinite;
}

.hero-phone img {
    filter: drop-shadow(0 40px 80px rgba(79, 140, 255, 0.28));
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-16px);
    }
}

/* Scroll Hint */
.scroll-hint {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--text-muted) 0%, transparent 100%);
    animation: scrollDown 2s infinite;
}

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

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

    51% {
        transform-origin: bottom;
    }

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

/* ========================================
   Section 2: Empathy
======================================== */
.empathy {
    padding: 120px 0;
    background: var(--bg-light);
}

.empathy-head {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 72px;
}

.empathy-head-text .section-title {
    margin-top: 20px;
}

.empathy-head-illust {
    display: flex;
    justify-content: center;
    align-items: center;
}

.empathy-head-illust img {
    max-width: 340px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 12px 32px rgba(10, 14, 39, 0.08));
}

.empathy-quotes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 72px;
}

.quote-card {
    position: relative;
    padding: 40px 32px 32px;
    background: var(--bg-gray);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
}

.quote-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.quote-mark {
    position: absolute;
    top: -8px;
    left: 24px;
    font-size: 72px;
    font-weight: 900;
    color: var(--accent);
    opacity: 0.5;
    line-height: 1;
    font-family: Georgia, serif;
}

.quote-card p {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-body);
}

.empathy-message {
    text-align: center;
    padding: 48px 32px;
    background: linear-gradient(135deg, var(--bg-accent) 0%, var(--accent-soft) 100%);
    border-radius: var(--radius-lg);
    font-size: clamp(18px, 2vw, 22px);
    line-height: 1.9;
    color: var(--text-dark);
}

/* ========================================
   Section 3: Solution
======================================== */
.solution {
    padding: 120px 0;
    background: var(--bg-gray);
    position: relative;
    overflow: hidden;
}

.steps {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 16px;
    align-items: stretch;
    margin-bottom: 72px;
}

.step-card {
    background: var(--bg-light);
    padding: 40px 32px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
}

.step-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-light);
}

.step-num {
    display: inline-block;
    font-size: 14px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 0.15em;
    margin-bottom: 16px;
    padding: 4px 12px;
    background: var(--accent-soft);
    border-radius: var(--radius-pill);
}

.step-card h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.4;
}

.step-card p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
}

.step-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--accent);
    opacity: 0.6;
    font-weight: 300;
}

.solution-result {
    text-align: center;
    padding: 56px 40px;
    background: var(--bg-light);
    border: 2px dashed var(--accent-light);
    border-radius: var(--radius-lg);
}

.result-arrow {
    font-size: 36px;
    color: var(--accent);
    margin-bottom: 12px;
    opacity: 0.7;
}

.solution-result p {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.result-title {
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 900;
    color: var(--text-dark);
    line-height: 1.5;
    letter-spacing: -0.02em;
}

/* ========================================
   Section 4: Features
======================================== */
.features {
    padding: 120px 0;
    background: var(--bg-light);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 120px;
}

.feature-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.feature-item.reverse .feature-text {
    order: 2;
}

.feature-number {
    display: inline-block;
    font-size: 13px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 0.2em;
    margin-bottom: 20px;
    padding: 5px 14px;
    background: var(--accent-soft);
    border-radius: var(--radius-pill);
}

.feature-text h3 {
    font-size: clamp(24px, 3.5vw, 36px);
    font-weight: 900;
    line-height: 1.4;
    color: var(--text-dark);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.feature-text p {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-body);
}

.feature-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.feature-visual::before {
    content: '';
    position: absolute;
    inset: 10%;
    background: var(--gradient-accent);
    filter: blur(60px);
    opacity: 0.15;
    border-radius: 50%;
    z-index: 0;
}

.feature-visual img {
    position: relative;
    max-width: 480px;
    width: 100%;
    z-index: 1;
    filter: drop-shadow(0 24px 60px rgba(10, 14, 39, 0.18));
    transition: transform 0.5s var(--ease-out);
}

.feature-visual.feature-illust img {
    max-width: 420px;
    filter: drop-shadow(0 16px 40px rgba(10, 14, 39, 0.1));
}

.feature-item:hover .feature-visual img {
    transform: translateY(-8px) scale(1.02);
}

/* ========================================
   Section 5: Benefit (Light)
======================================== */
.benefit {
    position: relative;
    padding: 140px 0;
    background: var(--gradient-benefit);
    color: var(--text-dark);
    overflow: hidden;
}

.benefit-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at top left, rgba(79, 140, 255, 0.18) 0%, transparent 45%),
        radial-gradient(ellipse at bottom right, rgba(123, 97, 255, 0.15) 0%, transparent 45%);
}

.benefit .container {
    position: relative;
    z-index: 1;
}

.benefit .section-tag {
    background: rgba(255, 255, 255, 0.7);
    color: var(--accent);
}

.benefit-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.benefit-card {
    padding: 40px 32px;
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    transition: all 0.4s var(--ease-out);
}

.benefit-card:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.95);
    border-color: var(--accent-light);
    box-shadow: 0 24px 60px rgba(79, 140, 255, 0.18);
}

.benefit-num {
    display: inline-block;
    font-size: 32px;
    font-weight: 900;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
    line-height: 1;
}

.benefit-card h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.5;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.benefit-card p {
    font-size: 15px;
    line-height: 1.9;
    color: var(--text-body);
}

.benefit-card p strong {
    color: var(--text-dark);
    font-weight: 700;
}

.benefit-card.highlight-card {
    grid-column: span 1;
    background: linear-gradient(135deg, rgba(79, 140, 255, 0.12) 0%, rgba(123, 97, 255, 0.08) 100%);
    border-color: rgba(79, 140, 255, 0.25);
    position: relative;
    overflow: hidden;
}

.benefit-card-illust {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 110px;
    height: 110px;
    opacity: 0.95;
    pointer-events: none;
    transition: transform 0.5s var(--ease-out);
}

.benefit-card-illust img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.benefit-card.highlight-card:hover .benefit-card-illust {
    transform: translateY(-4px) rotate(-4deg);
}

/* ========================================
   Section 6: Developer Story
======================================== */
.story {
    padding: 140px 0;
    background: var(--bg-gray);
}

.story-inner {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.story-avatar {
    display: flex;
    justify-content: center;
    margin-bottom: 28px;
}

.story-avatar img {
    width: 160px;
    height: 160px;
    object-fit: contain;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    border: 4px solid var(--accent-soft);
}

.story-title {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 900;
    line-height: 1.3;
    color: var(--text-dark);
    margin: 20px 0 56px;
    letter-spacing: -0.02em;
}

.story-body {
    text-align: left;
    font-size: 17px;
    line-height: 2.1;
    color: var(--text-body);
}

.story-body p {
    margin-bottom: 24px;
}

.story-body p:last-child {
    margin-bottom: 0;
}

.story-quote {
    padding: 32px 28px;
    margin: 40px 0 !important;
    background: var(--bg-light);
    border-left: 4px solid var(--accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.8;
    box-shadow: var(--shadow-sm);
}

.story-closing {
    text-align: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    padding-top: 24px;
}

/* ========================================
   Section 7: FAQ
======================================== */
.faq {
    padding: 120px 0;
    background: var(--bg-light);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--bg-gray);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.3s var(--ease-out);
}

.faq-item[open] {
    background: var(--bg-light);
    border-color: var(--accent-light);
    box-shadow: var(--shadow-md);
}

.faq-item summary {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 28px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    list-style: none;
    transition: color 0.3s;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary:hover {
    color: var(--accent);
}

.faq-q {
    font-size: 20px;
    font-weight: 900;
    color: var(--accent);
    margin-right: 4px;
    flex-shrink: 0;
}

.faq-icon {
    margin-left: auto;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    position: relative;
    transition: transform 0.3s var(--ease-out);
}

.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    background: var(--accent);
    transition: all 0.3s var(--ease-out);
}

.faq-icon::before {
    width: 14px;
    height: 2px;
    transform: translate(-50%, -50%);
}

.faq-icon::after {
    width: 2px;
    height: 14px;
    transform: translate(-50%, -50%);
}

.faq-item[open] .faq-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
    opacity: 0;
}

.faq-answer {
    padding: 0 28px 24px 60px;
    font-size: 15px;
    line-height: 1.9;
    color: var(--text-body);
}

.faq-item[open] .faq-answer {
    animation: fadeInAnswer 0.4s var(--ease-out);
}

@keyframes fadeInAnswer {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

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

/* ========================================
   Section 8: Final CTA (Light)
======================================== */
.cta-final {
    position: relative;
    padding: 140px 0;
    background: var(--gradient-cta);
    color: var(--text-dark);
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 70%;
    height: 70%;
    background: var(--gradient-accent);
    filter: blur(120px);
    opacity: 0.18;
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.cta-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.cta-eyebrow {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.1em;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.cta-title {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 900;
    line-height: 1.3;
    color: var(--text-dark);
    margin-bottom: 32px;
    letter-spacing: -0.02em;
}

.cta-lead {
    font-size: 16px;
    line-height: 2;
    color: var(--text-body);
    margin-bottom: 48px;
}

.cta-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 32px;
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 600;
}

.cta-features li {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ========================================
   Footer (Light)
======================================== */
.footer {
    padding: 48px 0;
    background: var(--bg-gray);
    color: var(--text-muted);
    border-top: 1px solid var(--border-light);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dark);
    font-weight: 700;
}

.footer-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.footer-links {
    display: flex;
    gap: 24px;
    font-size: 13px;
}

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

.footer-copy {
    font-size: 12px;
    opacity: 0.7;
    width: 100%;
    text-align: center;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
}

/* ========================================
   Responsive - Tablet
======================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }

    .hero-text {
        order: 2;
    }

    .hero-visual {
        order: 1;
    }

    .hero-phone {
        max-width: 400px;
    }

    .hero-cta-row {
        justify-content: center;
    }

    .steps {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .feature-item,
    .feature-item.reverse {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .feature-item.reverse .feature-text {
        order: 1;
    }

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

    .feature-visual img {
        max-width: 380px;
    }

    .benefit-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .empathy-quotes {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .empathy-head {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 32px;
    }

    .empathy-head-illust {
        order: -1;
    }

    .empathy-head-illust img {
        max-width: 260px;
    }

    .feature-list {
        gap: 80px;
    }

    .story-avatar img {
        width: 130px;
        height: 130px;
    }

    .benefit-card-illust {
        width: 88px;
        height: 88px;
    }
}

/* ========================================
   Responsive - Mobile
======================================== */
@media (max-width: 640px) {
    .hero {
        padding: 120px 0 60px;
        min-height: auto;
    }

    .hero-phone {
        max-width: 320px;
    }

    .empathy,
    .solution,
    .features,
    .benefit,
    .story,
    .faq,
    .cta-final {
        padding: 80px 0;
    }

    .section-head {
        margin-bottom: 48px;
    }

    .quote-card {
        padding: 36px 24px 24px;
    }

    .step-card,
    .benefit-card {
        padding: 32px 24px;
    }

    .empathy-message {
        padding: 32px 24px;
    }

    .solution-result {
        padding: 40px 24px;
    }

    .story-quote {
        padding: 24px 20px;
        font-size: 16px;
    }

    .faq-item summary {
        padding: 20px 20px;
        font-size: 15px;
    }

    .faq-answer {
        padding: 0 20px 20px 46px;
    }

    .empathy-head-illust img {
        max-width: 220px;
    }

    .story-avatar img {
        width: 110px;
        height: 110px;
        padding: 14px;
    }

    .benefit-card-illust {
        width: 76px;
        height: 76px;
        top: 12px;
        right: 12px;
    }

    .btn {
        width: 100%;
        padding: 18px 24px;
    }

    .hero-cta-row {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }

    .hero-cta-note {
        text-align: center;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    .scroll-hint {
        display: none;
    }
}