:root {
    --primary: #06C755;
    --primary-dark: #05b34c;
    --text-main: #111827;
    --text-sub: #6B7280;
    --bg-light: #F9FAFB;
    --white: #FFFFFF;
    --border: #E5E7EB;
    
    --font-base: 'Noto Sans JP', sans-serif;
    --font-head: 'Inter', 'Noto Sans JP', sans-serif;
}

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

body {
    font-family: var(--font-base);
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Utilities */
.text-primary { color: var(--primary); }
.text-highlight { 
    background: linear-gradient(180deg, transparent 60%, rgba(6, 199, 85, 0.2) 60%);
}
.bg-light { background-color: var(--bg-light); }
.text-center { text-align: center; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 9999px;
    font-weight: 700;
    cursor: pointer;
    gap: 8px;
}
.btn-sm { padding: 8px 16px; font-size: 0.9rem; }
.btn-lg { padding: 16px 40px; font-size: 1.125rem; }

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(6, 199, 85, 0.3);
}
.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(6, 199, 85, 0.4);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--text-main);
    color: var(--text-main);
}
.btn-outline:hover {
    background: var(--text-main);
    color: var(--white);
}

.shadow-pulse {
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(6, 199, 85, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(6, 199, 85, 0); }
    100% { box-shadow: 0 0 0 0 rgba(6, 199, 85, 0); }
}

/* Header */
.header {
    height: 70px;
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}
.header .container {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header-logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

/* Hero */
.hero {
    padding-top: 140px;
    padding-bottom: 80px;
    overflow: hidden;
}
.hero-container {
    display: flex;
    align-items: center;
    gap: 60px;
}
.hero-content {
    flex: 1;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 99px;
    font-size: 0.875rem;
    font-weight: 600;
    color: #4B5563;
    margin-bottom: 24px;
}
.dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
}
.hero h1 {
    font-size: 3.5rem;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    line-height: 1.15;
}
.hero-desc {
    font-size: 1.125rem;
    color: var(--text-sub);
    margin-bottom: 32px;
}
.hero-note {
    font-size: 0.875rem;
    color: #9CA3AF;
    margin-top: 12px;
    text-align: center;
}
.hero-cta {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
}

/* Hero Image */
.hero-image {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
}
.phone-mockup {
    position: relative;
    width: 320px;
    border-radius: 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border: 8px solid #FFF;
    z-index: 2;
}
.phone-mockup img {
    width: 100%;
    border-radius: 32px;
    display: block;
}
.float-badge {
    position: absolute;
    bottom: 40px;
    right: -20px;
    background: white;
    padding: 16px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: bounce 3s infinite;
}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
.check-icon {
    width: 36px;
    height: 36px;
    background: #DCFCE7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}
.badge-sub { font-size: 0.75rem; color: var(--text-sub); display: block; }
.badge-title { font-weight: 700; font-size: 0.9rem; }

.hero-bg-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, #DCFCE7 0%, rgba(255,255,255,0) 70%);
    z-index: 1;
    filter: blur(40px);
    opacity: 0.6;
}

/* Section Common */
.section {
    padding: 100px 0;
}
.section-header {
    margin-bottom: 60px;
}
.section-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}
.section h2 {
    font-size: 2.25rem;
    letter-spacing: -0.02em;
}
.section p {
    color: var(--text-sub);
    font-size: 1.05rem;
    margin-top: 16px;
}

/* Pain Section */
.pain-grid {
    display: flex;
    gap: 24px;
    justify-content: center;
}
.pain-item {
    background: #FFF5F5;
    padding: 32px;
    border-radius: 20px;
    text-align: center;
    width: 240px;
}
.pain-icon { font-size: 3rem; margin-bottom: 16px; }
.pain-item p { font-weight: 700; color: #9B1C1C; line-height: 1.4; margin: 0; }

/* Features */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}
.feature-card {
    background: white;
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}
.feature-card:hover { transform: translateY(-5px); box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1); }
.feature-icon-wrapper {
    width: 56px;
    height: 56px;
    background: #DCFCE7;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--primary);
}
.feature-icon { width: 28px; height: 28px; }
.feature-card h3 { font-size: 1.25rem; margin-bottom: 12px; }
.feature-card p { font-size: 0.95rem; line-height: 1.7; margin: 0; }

/* How To */
.steps-wrapper {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 20px;
    margin-top: 40px;
}
.step-card {
    flex: 1;
    text-align: center;
    max-width: 300px;
}
.step-number {
    font-size: 3.5rem;
    font-weight: 900;
    color: #E5E7EB;
    line-height: 1;
    margin-bottom: 16px;
}
.step-arrow {
    padding-top: 40px;
    font-size: 2rem;
    color: var(--border);
}
.step-card h3 { margin-bottom: 12px; font-size: 1.2rem; }

/* Pricing */
.pricing-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}
.pricing-card {
    background: white;
    padding: 48px;
    border-radius: 32px;
    border: 1px solid var(--border);
    position: relative;
}
.pricing-card.highlighted {
    border: 2px solid var(--primary);
    box-shadow: 0 25px 50px -12px rgba(6, 199, 85, 0.15);
    z-index: 10;
}
.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 6px 16px;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}
.pricing-header { margin-bottom: 32px; text-align: center; }
.price { font-size: 3rem; font-weight: 800; color: var(--text-main); margin: 16px 0; }
.currency { font-size: 1.25rem; color: var(--text-sub); margin-right: 4px; }
.period { font-size: 1rem; color: var(--text-sub); font-weight: 400; }
.plan-desc { font-size: 0.9rem; color: var(--text-sub); }

.feature-list {
    list-style: none;
    margin-bottom: 40px;
}
.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 0.95rem;
}
.check {
    color: var(--primary);
    font-weight: 800;
}
.full-width { width: 100%; }

/* Footer */
.footer {
    background: #111827;
    color: white;
    padding: 80px 0 32px;
}
.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand h3 { font-size: 1.5rem; margin-bottom: 8px; }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.9rem; }
.footer-links { display: flex; gap: 32px; }
.footer-links a { color: rgba(255,255,255,0.6); }
.footer-links a:hover { color: white; }
.copyright { color: rgba(255,255,255,0.4); font-size: 0.875rem; }

/* Responsive */
@media (max-width: 768px) {
    .container { padding: 0 20px; }
    .hero-container { flex-direction: column; text-align: center; gap: 40px; }
    .hero h1 { font-size: 2.5rem; }
    .hero-content { align-items: center; display: flex; flex-direction: column; }
    .pain-grid { flex-direction: column; align-items: center; }
    .steps-wrapper { flex-direction: column; align-items: center; }
    .step-arrow { transform: rotate(90deg); padding: 10px; }
    .footer-container { flex-direction: column; gap: 32px; text-align: center; }
    .footer-links { flex-direction: column; gap: 16px; }
}