/* ========================================
   リセット & 基本設定
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #06C755;
    --primary-dark: #05A846;
    --secondary-color: #FFD700;
    --dark-bg: #1a1a2e;
    --light-bg: #f8f9fa;
    --text-dark: #2d3748;
    --text-light: #718096;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
    background: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

/* ========================================
   ヒーローセクション
======================================== */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    text-align: center;
    padding: 80px 20px 60px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
    opacity: 0.3;
}

.badge {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--dark-bg);
    padding: 8px 24px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 24px;
    animation: pulse 2s infinite;
    position: relative;
    z-index: 1;
}

.sp-only {
    display: none;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero-free-announce {
    display: inline-block;
    background: rgba(255, 215, 0, 0.2);
    border: 3px solid var(--secondary-color);
    color: var(--white);
    padding: 16px 32px;
    border-radius: 16px;
    font-weight: 700;
    font-size: 20px;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
    animation: glow-hero 2s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
}

@keyframes glow-hero {
    0%, 100% { 
        box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
        transform: scale(1);
    }
    50% { 
        box-shadow: 0 0 35px rgba(255, 215, 0, 0.7);
        transform: scale(1.02);
    }
}

.hero-free-announce i {
    margin-right: 12px;
    font-size: 24px;
    color: var(--secondary-color);
}

.hero-title {
    font-size: 36px;
    font-weight: 900;
    line-height: 1.4;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.hero-title .highlight {
    color: var(--secondary-color);
    text-decoration: underline;
    text-decoration-thickness: 3px;
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    margin-bottom: 32px;
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

.hero-subtitle strong {
    color: var(--secondary-color);
    font-size: 24px;
}

.hero-subtitle .large-highlight {
    display: block;
    color: var(--secondary-color);
    font-size: 26px;
    text-shadow: 0 2px 10px rgba(255, 215, 0, 0.5);
    margin-bottom: 8px;
}

.hero-points {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

.point {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 500;
}

.point i {
    color: var(--secondary-color);
    font-size: 20px;
}

.scroll-indicator {
    margin-top: 40px;
    animation: bounce 2s infinite;
    opacity: 0.7;
    position: relative;
    z-index: 1;
}

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

.scroll-indicator i {
    font-size: 24px;
}

/* ========================================
   CTAボタン
======================================== */
.cta-button {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(6, 199, 85, 0.4);
    position: relative;
    z-index: 1;
}

.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 199, 85, 0.5);
}

.cta-button i {
    margin-right: 8px;
    font-size: 20px;
}

.cta-button.large {
    padding: 20px 50px;
    font-size: 20px;
}

.cta-button.extra-large {
    padding: 24px 60px;
    font-size: 22px;
}

.cta-note {
    margin-top: 12px;
    font-size: 14px;
    opacity: 0.8;
}

.cta-center {
    text-align: center;
    margin-top: 40px;
}

/* ========================================
   セクション共通
======================================== */
section {
    padding: 80px 20px;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

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

.title-icon {
    font-size: 36px;
    display: block;
    margin-bottom: 10px;
}

/* ========================================
   悩みセクション
======================================== */
.problems {
    background: var(--light-bg);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 50px;
}

.problem-card {
    background: var(--white);
    padding: 32px 24px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
}

.problem-icon {
    font-size: 48px;
    color: #e53e3e;
    margin-bottom: 16px;
}

.problem-card h3 {
    font-size: 18px;
    line-height: 1.6;
    color: var(--text-dark);
}

.solution-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.solution-box h3 {
    font-size: 24px;
    margin-bottom: 16px;
}

.solution-text {
    font-size: 18px;
}

.large-text {
    font-size: 28px;
    font-weight: 700;
    color: var(--secondary-color);
}

/* ========================================
   特徴セクション
======================================== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--white);
    padding: 40px 32px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 36px;
    color: var(--white);
}

.gradient-1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.gradient-2 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.gradient-3 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.gradient-4 {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ========================================
   実績セクション
======================================== */
.results {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-bottom: 50px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 32px 24px;
    border-radius: 16px;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--secondary-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
}

.profit-highlight {
    background: rgba(255, 215, 0, 0.15);
    border: 2px solid var(--secondary-color);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    font-size: 20px;
}

.profit-highlight i {
    font-size: 48px;
    color: var(--secondary-color);
    display: block;
    margin-bottom: 16px;
}

.profit-highlight strong {
    color: var(--secondary-color);
    font-size: 26px;
}

.profit-highlight .note {
    display: block;
    font-size: 14px;
    margin-top: 16px;
    opacity: 0.8;
}

.system-free-box {
    background: rgba(255, 255, 255, 0.15);
    border: 3px solid var(--secondary-color);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    font-size: 18px;
    margin-top: 40px;
    animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(255, 215, 0, 0.3); }
    50% { box-shadow: 0 0 30px rgba(255, 215, 0, 0.6); }
}

.system-free-box i {
    font-size: 56px;
    color: var(--secondary-color);
    display: block;
    margin-bottom: 20px;
}

.system-free-box h3 {
    font-size: 26px;
    margin-bottom: 16px;
    line-height: 1.6;
}

.system-free-box h3 strong {
    color: var(--secondary-color);
    font-size: 28px;
}

.system-free-box p {
    line-height: 1.8;
    opacity: 0.95;
}

/* ========================================
   利用者の声
======================================== */
.testimonials {
    background: var(--light-bg);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.testimonial-card {
    background: var(--white);
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    font-weight: 700;
}

.user-name {
    font-weight: 700;
    color: var(--text-dark);
}

.user-period {
    font-size: 14px;
    color: var(--text-light);
}

.testimonial-text {
    color: var(--text-light);
    line-height: 1.8;
}

/* ========================================
   始め方
======================================== */
.steps {
    max-width: 800px;
    margin: 0 auto 50px;
}

.step {
    display: flex;
    gap: 24px;
    margin-bottom: 40px;
    align-items: flex-start;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

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

/* ========================================
   FAQ
======================================== */
.faq {
    background: var(--light-bg);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq-question {
    padding: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 16px;
    font-weight: 600;
    font-size: 18px;
    color: var(--text-dark);
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: var(--light-bg);
}

.faq-question i:first-child {
    color: #667eea;
    font-size: 24px;
}

.faq-question span {
    flex: 1;
}

.faq-arrow {
    transition: transform 0.3s ease;
    color: var(--text-light);
}

.faq-item.active .faq-arrow {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    color: var(--text-light);
    line-height: 1.8;
}

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

/* ========================================
   最終CTA
======================================== */
.final-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    text-align: center;
}

.final-title {
    font-size: 36px;
    font-weight: 900;
    line-height: 1.5;
    margin-bottom: 32px;
}

.highlight-white {
    color: var(--secondary-color);
    text-decoration: underline;
    text-decoration-thickness: 3px;
}

.urgency-box {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--secondary-color);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 40px;
    display: inline-block;
}

.urgency-box i {
    font-size: 24px;
    color: var(--secondary-color);
    margin-bottom: 8px;
}

.urgency-box p {
    font-size: 18px;
    margin: 0;
}

.final-note {
    margin-top: 16px;
    font-size: 14px;
    opacity: 0.8;
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 50px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
}

.trust-item i {
    font-size: 24px;
    color: var(--secondary-color);
}

/* ========================================
   フッター
======================================== */
.footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 40px 20px;
    text-align: center;
}

.disclaimer {
    font-size: 13px;
    line-height: 1.8;
    opacity: 0.8;
    margin-bottom: 24px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.copyright {
    font-size: 14px;
    opacity: 0.7;
}

/* ========================================
   レスポンシブ
======================================== */
@media (max-width: 768px) {
    .sp-only {
        display: inline;
    }

    .badge {
        font-size: 17px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-free-announce {
        font-size: 19px;
        padding: 14px 28px;
        line-height: 1.6;
    }

    .hero-free-announce i {
        font-size: 23px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-subtitle strong {
        font-size: 20px;
    }

    .hero-subtitle .large-highlight {
        font-size: 21px;
    }

    .hero-points {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        max-width: 280px;
        margin-left: auto;
        margin-right: auto;
    }

    .point {
        text-align: left;
        width: 100%;
    }

    .section-title {
        font-size: 26px;
    }

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

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .final-title {
        font-size: 28px;
    }

    .trust-badges {
        gap: 20px;
    }

    .cta-button {
        padding: 16px 32px;
        font-size: 16px;
    }

    .cta-button.large {
        padding: 18px 36px;
        font-size: 18px;
    }

    .cta-button.extra-large {
        padding: 20px 40px;
        font-size: 19px;
    }
}