/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    /* Colors */
    --primary: #6366F1;
    --primary-dark: #4F46E5;
    --secondary: #EC4899;
    --accent: #10B981;
    --bg-light: #F9FAFB;
    --bg-white: #FFFFFF;
    --text-dark: #1F2937;
    --text-gray: #6B7280;
    --text-light: #9CA3AF;
    --border: #E5E7EB;

    /* Spacing */
    --section-padding: 80px;
    --container-padding: 20px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-dark);
    background: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.sp-only {
    display: none;
}

/* ===================================
   Header
   =================================== */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 900;
    color: var(--primary);
}

.logo-img {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.logo i {
    font-size: 28px;
}

.nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--text-gray);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary);
}

.btn-login {
    padding: 10px 20px;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-sm);
}

.btn-login:hover {
    background: var(--primary-dark);
    color: white;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-dark);
    cursor: pointer;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--section-padding) 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 48px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 10px;
}

.hero-title .highlight {
    color: #FDE68A;
}

.hero-subtitle {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    opacity: 0.9;
}

.hero-description {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 12px 30px;
    border-radius: var(--radius-md);
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background: white;
    color: var(--primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary), #F06292);
    color: white;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #F06292, #EC407A);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Hero Visual */
.illustration-wrapper {
    position: relative;
    height: 400px;
}

.illustration-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.2;
    animation: float 6s ease-in-out infinite;
}

.circle-1 {
    width: 200px;
    height: 200px;
    background: #FDE68A;
    top: 0;
    left: 0;
}

.circle-2 {
    width: 150px;
    height: 150px;
    background: #93C5FD;
    bottom: 50px;
    right: 50px;
    animation-delay: 2s;
}

.circle-3 {
    width: 100px;
    height: 100px;
    background: #FB7185;
    top: 100px;
    right: 100px;
    animation-delay: 4s;
}

.illustration-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 120px;
    color: white;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes float {

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

    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* ===================================
   Section Styles
   =================================== */
.section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-label {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.section-title {
    font-size: 40px;
    font-weight: 900;
    margin-bottom: 15px;
}

.section-description {
    font-size: 18px;
    color: var(--text-gray);
}

/* ===================================
   Tool Cards
   =================================== */
.tool-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
}

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

.tool-card.featured {
    max-width: 700px;
    margin: 0 auto;
}

.tool-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.tool-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
}

.tool-badge {
    background: var(--accent);
    color: white;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
}

.tool-title {
    font-size: 28px;
    font-weight: 900;
    margin-bottom: 15px;
}

.tool-description {
    color: var(--text-gray);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 25px;
}

.tool-features {
    list-style: none;
    margin-bottom: 30px;
}

.tool-features li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-gray);
}

.tool-features i {
    color: var(--accent);
    font-size: 18px;
}

.btn-download {
    width: 100%;
    justify-content: center;
    font-size: 18px;
}

.tool-note {
    text-align: center;
    color: var(--text-light);
    font-size: 14px;
    margin-top: 15px;
}

/* Coming Soon Tools */
.coming-soon {
    background: var(--bg-white);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.tool-card.locked {
    position: relative;
    opacity: 0.7;
}

.lock-icon {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 20px;
    color: var(--text-light);
}

.tool-card.locked .tool-icon {
    background: var(--text-light);
}

.tool-category {
    margin-top: 20px;
    padding: 8px 0;
    color: var(--text-light);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* ===================================
   Pricing Section
   =================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-white);
    padding: 50px 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
    transition: all 0.3s;
}

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

.pricing-card.recommended {
    border: 3px solid var(--primary);
}

.recommended-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 8px 25px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 14px;
}

.pricing-title {
    font-size: 28px;
    font-weight: 900;
    margin-bottom: 20px;
}

.pricing-price {
    margin-bottom: 30px;
}

.price-amount {
    font-size: 48px;
    font-weight: 900;
    color: var(--primary);
}

.price-period {
    font-size: 18px;
    color: var(--text-gray);
}

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.pricing-features li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border);
}

.pricing-features i.fa-check {
    color: var(--accent);
}

.pricing-features i.fa-times {
    color: var(--text-light);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    text-align: center;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    font-size: 28px;
    font-weight: 900;
    margin-bottom: 15px;
}

.footer-logo img {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.footer-logo i {
    font-size: 32px;
}

.footer-description {
    color: var(--text-light);
    margin-bottom: 25px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.footer-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s;
}

.footer-links a:hover {
    background: var(--primary);
    transform: scale(1.1);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    font-size: 14px;
}

/* ===================================
   Responsive Styles
   =================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 40px;
    }

    .section-title {
        font-size: 32px;
    }

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

@media (max-width: 768px) {
    .sp-only {
        display: inline;
    }

    .nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-visual {
        display: none;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 22px;
    }

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

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

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

    .illustration-wrapper {
        height: 250px;
    }

    .illustration-icon {
        font-size: 80px;
    }
}