/* ========================================
   CSS Variables & Base Styles
======================================== */
:root {
    --primary: #0d9488;
    --primary-dark: #0f766e;
    --primary-light: #14b8a6;
    --accent: #0ea5e9;
    --accent-dark: #0284c7;
    --dark: #1e293b;
    --dark-light: #334155;
    --gray-900: #1f2937;
    --gray-800: #374151;
    --gray-700: #4b5563;
    --gray-600: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-100: #f8fafc;
    --white: #ffffff;
    --gradient-1: linear-gradient(135deg, #0d9488 0%, #14b8a6 50%, #0ea5e9 100%);
    --gradient-2: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.08);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.08);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.08), 0 8px 10px -6px rgb(0 0 0 / 0.08);
    --radius: 12px;
    --radius-lg: 20px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-800);
    background: var(--white);
    overflow-x: hidden;
}

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

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

/* ========================================
   Container & Layout
======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

/* ========================================
   Navigation
======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-menu a {
    color: var(--gray-700);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-cta {
    background: var(--gradient-1);
    padding: 10px 24px !important;
    border-radius: 50px;
    color: var(--white) !important;
    font-weight: 600 !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: all 0.3s ease;
}

/* ========================================
   Hero Section
======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    overflow: hidden;
    padding-top: 100px;
    padding-bottom: 60px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.06) 0%, transparent 40%),
        radial-gradient(ellipse at 60% 80%, rgba(59, 130, 246, 0.05) 0%, transparent 40%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%239C92AC' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 24px;
    max-width: 900px;
}

.hero-title {
    margin-bottom: 24px;
}

.hero-title-sub {
    display: block;
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 500;
    color: var(--gray-600);
    margin-bottom: 8px;
}

.hero-title-main {
    display: block;
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--gray-700);
    margin-bottom: 40px;
    line-height: 2;
}

.hero-description .highlight {
    color: var(--accent);
    font-weight: 700;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: 4px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--gradient-1);
    color: var(--white);
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--gray-600);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    animation: bounce 2s infinite;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--gray-600), transparent);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ========================================
   Section Titles
======================================== */
.section-title {
    text-align: center;
    margin-bottom: 24px;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.4;
    color: var(--gray-900);
}

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

.section-title-en {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--primary);
    margin-bottom: 12px;
}

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

.section-lead {
    text-align: center;
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 60px;
}

.section-lead.light {
    color: var(--gray-300);
}

.section-lead strong {
    color: var(--primary);
}

/* ========================================
   Problem Section
======================================== */
.problem-section {
    background: var(--gray-100);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.problem-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

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

.problem-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.problem-card h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.problem-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 20px;
}

.problem-list {
    list-style: none;
}

.problem-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
    color: var(--gray-600);
    font-size: 0.95rem;
}

.problem-list li::before {
    content: '×';
    position: absolute;
    left: 0;
    color: #ef4444;
    font-weight: bold;
}

/* ========================================
   Solution Section
======================================== */
.solution-section {
    background: var(--gray-100);
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 80px;
}

.solution-card {
    background: var(--white);
    border: 1px solid var(--gray-300);
    padding: 40px;
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

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

.solution-number {
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.solution-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.solution-subtitle {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    margin-top: 4px;
}

.solution-content p {
    color: var(--gray-700);
    line-height: 1.8;
}

.solution-content strong {
    color: var(--accent);
}

/* ========================================
   Compare Section
======================================== */
.compare-section {
    background: var(--white);
}

.compare-table {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: 60px;
}

.compare-header,
.compare-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr 0.8fr 0.8fr;
    gap: 0;
}

.compare-header {
    background: var(--gray-100);
}

.compare-col {
    padding: 16px 20px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--gray-300);
}

.compare-col.label {
    font-weight: 600;
    color: var(--gray-900);
    background: var(--gray-100);
}

.compare-col.other {
    color: var(--gray-700);
    text-align: center;
}

.compare-col.ours {
    text-align: center;
    background: rgba(13, 148, 136, 0.05);
}

.compare-col.ours.sns {
    background: rgba(14, 165, 233, 0.08);
}

.compare-header .compare-col {
    font-weight: 700;
    color: var(--gray-900);
    font-size: 0.85rem;
    padding: 14px 16px;
}

.compare-header .compare-col small {
    display: block;
    font-weight: 600;
    font-size: 0.9em;
    margin-top: 4px;
}

.compare-header .compare-col.ours {
    color: var(--primary);
    background: rgba(13, 148, 136, 0.1);
}

.compare-header .compare-col.ours.sns {
    color: var(--accent);
    background: rgba(14, 165, 233, 0.15);
}

.compare-row.total {
    background: var(--gray-100);
}

.compare-row.total .compare-col {
    border-bottom: none;
    font-size: 1rem;
}

.compare-row.total .compare-col.ours .price {
    color: var(--primary);
    font-size: 1.3rem;
}

.included {
    color: var(--primary);
    font-weight: 600;
    font-size: 1.1rem;
}

.not-included {
    color: var(--gray-400);
}

/* モバイル用パックラベル（PC版では非表示） */
.compare-col.pack-label {
    display: none;
}

/* ひとまとめメリット */
.onestop-benefit {
    background: var(--gray-100);
    padding: 48px;
    border-radius: var(--radius-lg);
}

.onestop-benefit h3 {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 32px;
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.benefit-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.benefit-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.benefit-item strong {
    display: block;
    font-size: 1rem;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.benefit-item p {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin: 0;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .compare-header,
    .compare-row {
        grid-template-columns: 1fr;
    }

    .compare-col {
        text-align: left !important;
        padding: 12px 20px;
    }

    .compare-col.label {
        background: var(--gray-100);
        font-weight: 700;
    }

    .compare-col.other::before {
        content: '他社: ';
        font-weight: 600;
    }

    .compare-col.ours::before {
        content: '当社: ';
        font-weight: 600;
    }

    .compare-header .compare-col.other::before,
    .compare-header .compare-col.ours::before {
        content: none;
    }

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

/* ========================================
   Comparison Table
======================================== */
.comparison {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 48px;
}

.comparison-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 32px;
}

.comparison-table {
    overflow-x: auto;
}

.comparison-header,
.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1.5fr 1.5fr;
    gap: 16px;
}

.comparison-header {
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 16px;
    margin-bottom: 16px;
}

.comparison-header .comparison-col {
    font-weight: 700;
    color: var(--gray-300);
    font-size: 0.9rem;
}

.comparison-row {
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.comparison-col {
    color: var(--gray-400);
    font-size: 0.95rem;
}

.comparison-col:first-child {
    font-weight: 600;
    color: var(--white);
}

.comparison-col.highlight {
    color: var(--accent);
    font-weight: 600;
}

.comparison-col small {
    display: block;
    font-size: 0.8rem;
    margin-top: 4px;
    opacity: 0.8;
}

.badge {
    display: inline-block;
    background: var(--accent);
    color: var(--dark);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 50px;
    margin-left: 8px;
}

/* ========================================
   Service Section
======================================== */
.service-section {
    background: var(--white);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.service-card {
    position: relative;
    background: var(--white);
    border: 2px solid var(--gray-100);
    padding: 40px;
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.service-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-xl);
}

.service-card.featured {
    border-color: var(--primary);
    background: linear-gradient(to bottom, rgba(99, 102, 241, 0.05), transparent);
}

.service-card.premium {
    border-color: var(--accent);
    background: linear-gradient(to bottom, rgba(245, 158, 11, 0.05), transparent);
}

.service-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-1);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px 20px;
    border-radius: 50px;
}

.service-step {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

.service-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.service-target {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.service-features {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    color: var(--gray-700);
    font-size: 0.95rem;
}

.service-features svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--primary);
}

.service-note {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-100);
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* ========================================
   Subsidy Section
======================================== */
.subsidy-section {
    background: var(--gray-100);
}

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

.subsidy-card {
    background: var(--white);
    border: 1px solid var(--gray-300);
    padding: 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

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

.subsidy-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.subsidy-purpose {
    font-size: 0.85rem;
    color: var(--gray-600);
    margin-bottom: 16px;
}

.subsidy-amount {
    font-size: 0.9rem;
    color: var(--gray-700);
}

.subsidy-amount span {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    margin-top: 4px;
}

/* ========================================
   Strength Section
======================================== */
.strength-section {
    background: var(--gray-100);
}

.strength-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    align-items: center;
}

.strength-quote {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.6;
    margin-bottom: 24px;
    padding-left: 24px;
    border-left: 4px solid var(--primary);
}

.strength-text {
    color: var(--gray-600);
    margin-bottom: 16px;
    line-height: 1.9;
}

.strength-text strong {
    color: var(--primary);
}

.profile-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.profile-badge {
    display: inline-block;
    background: var(--gradient-1);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.profile-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 20px;
}

.profile-achievements {
    color: var(--gray-600);
    margin-bottom: 20px;
    line-height: 1.6;
}

.profile-number {
    display: inline-block;
    font-size: 2rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.profile-message {
    font-size: 0.9rem;
    color: var(--gray-500);
    padding-top: 20px;
    border-top: 1px solid var(--gray-100);
}

/* ========================================
   CTA Section
======================================== */
.cta-section {
    background: var(--white);
    padding: 80px 0;
}

.cta-content {
    text-align: center;
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 48px;
    line-height: 1.8;
}

.cta-subtitle .highlight {
    color: var(--primary);
    font-weight: 700;
}

.cta-form-container {
    max-width: 700px;
    margin: 0 auto;
}

.cta-form {
    background: var(--gray-100);
    padding: 48px;
    border-radius: var(--radius-lg);
    text-align: left;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.required {
    color: #ef4444;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    background: var(--white);
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.submit-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    background: var(--gradient-1);
    color: var(--white);
    padding: 18px 40px;
    border: none;
    border-radius: var(--radius);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

/* ========================================
   Footer
======================================== */
.footer {
    background: var(--dark);
    padding: 60px 0 24px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-address {
    font-style: normal;
    color: var(--gray-400);
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 12px;
}

.footer-tel a {
    color: var(--gray-300);
    font-size: 1.1rem;
    font-weight: 600;
}

.footer-tel a:hover {
    color: var(--primary-light);
}

.footer-nav {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.footer-nav a {
    color: var(--gray-400);
    font-size: 0.9rem;
}

.footer-nav a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.85rem;
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--dark);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .section {
        padding: 60px 0;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat {
        flex: 1 1 100px;
    }

    .comparison {
        padding: 24px;
    }

    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .comparison-col:first-child {
        padding-bottom: 8px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        margin-bottom: 8px;
    }

    .strength-content {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .cta-form {
        padding: 32px 24px;
    }

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

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

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-title-main {
        font-size: 2.5rem;
    }

    .cta-button {
        padding: 16px 32px;
        font-size: 1rem;
    }

    .problem-card,
    .service-card {
        padding: 28px;
    }
}

/* ========================================
   Showcase Section (AI Examples)
   ======================================== */
.showcase-section {
    background: var(--white);
    padding: 100px 0;
}

.showcase-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.showcase-intro p {
    color: var(--gray-600);
    font-size: 1.1rem;
    margin-bottom: 24px;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.showcase-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.showcase-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.showcase-image {
    height: 200px;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.showcase-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.showcase-icon {
    font-size: 3rem;
    color: var(--primary);
}

.showcase-content {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.showcase-tag {
    display: inline-block;
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 50px;
    align-self: flex-start;
    margin-bottom: 12px;
}

.showcase-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.showcase-description {
    font-size: 0.9rem;
    color: var(--gray-500);
    margin-bottom: 20px;
    line-height: 1.6;
}

.showcase-link {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.showcase-link:hover {
    color: var(--primary-dark);
    gap: 12px;
}

/* ========================================
   Plans Section
======================================== */
.plan-section {
    background: var(--gray-100);
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    align-items: flex-start;
}

.plan-card {
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    padding: 0;
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
}

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

.plan-card.recommended {
    border: 3px solid var(--primary);
    box-shadow: var(--shadow-xl);
    transform: scale(1.02);
    z-index: 1;
}

.plan-card.recommended:hover {
    transform: scale(1.02) translateY(-5px);
}

.plan-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--accent);
    color: var(--dark);
    font-size: 0.85rem;
    font-weight: 700;
    padding: 8px 24px 8px 16px;
    border-bottom-left-radius: 20px;
    box-shadow: -2px 2px 4px rgba(0,0,0,0.1);
}

.plan-header {
    background: var(--gray-100);
    padding: 40px 40px 30px;
    text-align: center;
    border-bottom: 1px solid var(--gray-200);
}

.plan-card.recommended .plan-header {
    background: linear-gradient(to bottom, rgba(99, 102, 241, 0.1), transparent);
}

.plan-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.plan-price {
    font-size: 1rem;
    color: var(--gray-600);
    font-weight: 600;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: 8px;
}

.plan-price span {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--gray-900);
    line-height: 1;
}

.plan-price-add {
    font-size: 1.25rem;
    color: var(--primary);
    font-weight: 700;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: 8px;
}

.plan-price-add span {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1;
}

.plan-desc {
    font-size: 0.95rem;
    color: var(--gray-500);
}

.plan-features {
    list-style: none;
    padding: 40px;
}

.plan-features li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.plan-features li:last-child {
    margin-bottom: 0;
}

.plan-features .icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    background: var(--gray-100);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.plan-features strong {
    display: block;
    color: var(--gray-900);
    font-size: 1.05rem;
    margin-bottom: 4px;
}

.plan-features small {
    display: block;
    color: var(--gray-500);
    font-size: 0.85rem;
}

.plan-options {
    list-style: none;
    padding: 40px 40px 20px;
}

.option-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    width: 100%;
    margin-bottom: 16px;
    border-bottom: 1px dotted var(--gray-300);
    padding-bottom: 4px;
}

.option-row strong {
    color: var(--gray-800);
}

.option-row .price {
    font-weight: 700;
    color: var(--gray-600);
}

.plan-note {
    padding: 0 40px 40px;
    font-size: 0.8rem;
    color: var(--gray-400);
    text-align: center;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .plan-card.recommended {
        transform: none;
    }
    .plan-card.recommended:hover {
        transform: translateY(-5px);
    }
}

/* ========================================
   Showcase Plan Badge
======================================== */
.showcase-image {
    position: relative;
}

.showcase-plan-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 6px 14px;
    border-radius: 50px;
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    letter-spacing: 0.05em;
}

.showcase-plan-badge.basic {
    background: var(--primary);
}

.showcase-plan-badge.sns {
    background: var(--accent);
}

/* ========================================
   Confirmation Modal
======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
}

.modal-content {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 24px;
    text-align: center;
}

.confirm-details {
    background: var(--gray-100);
    padding: 20px;
    border-radius: var(--radius);
    margin-bottom: 24px;
}

.confirm-row {
    display: flex;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-300);
}

.confirm-row:last-child {
    border-bottom: none;
}

.confirm-label {
    font-weight: 600;
    color: var(--gray-600);
    min-width: 120px;
    flex-shrink: 0;
}

.modal-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.btn-secondary {
    padding: 12px 24px;
    border: 2px solid var(--gray-300);
    background: var(--white);
    color: var(--gray-700);
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: var(--gray-400);
    background: var(--gray-100);
}

.btn-primary {
    padding: 12px 24px;
    border: none;
    background: var(--gradient-1);
    color: var(--white);
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(13, 148, 136, 0.3);
}

/* ========================================
   Producer Avatar
======================================== */
.producer-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 24px;
    overflow: hidden;
    border: 4px solid var(--white);
    box-shadow: var(--shadow-lg);
}

.producer-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-producer-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.9);
    padding: 6px 20px 6px 6px;
    border-radius: 50px;
    margin-bottom: 24px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    backdrop-filter: blur(4px);
}

.hero-producer-badge img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--primary);
}

.hero-producer-badge span {
    font-weight: 700;
    color: var(--gray-800);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

/* ========================================
   LINE Button Styles
======================================== */
.line-option {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-300);
}

.line-option span {
    color: var(--gray-600);
    font-size: 0.9rem;
}

.line-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #06C755;
    color: var(--white);
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(6, 199, 85, 0.3);
}

.line-button:hover {
    background: #05b04c;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(6, 199, 85, 0.4);
}

.line-button svg {
    flex-shrink: 0;
}

/* Floating LINE Button */
.floating-line-button {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: #06C755;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(6, 199, 85, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    animation: pulse-line 2s infinite;
}

.floating-line-button:hover {
    background: #05b04c;
    transform: scale(1.1);
}

@keyframes pulse-line {
    0%, 100% { box-shadow: 0 4px 16px rgba(6, 199, 85, 0.4); }
    50% { box-shadow: 0 4px 24px rgba(6, 199, 85, 0.6); }
}

/* ========================================
   Mobile Responsive Fix - No Horizontal Scroll
======================================== */
html, body {
    max-width: 100%;
    overflow-x: hidden;
}

.container {
    max-width: 100%;
    padding-left: 16px;
    padding-right: 16px;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-title-main {
        font-size: 2.2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 12px;
    }

    .stat {
        padding: 12px 20px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .problem-grid,
    .solution-grid,
    .showcase-grid,
    .plan-grid,
    .subsidy-grid,
    .benefit-grid {
        grid-template-columns: 1fr;
    }

    /* 比較表をモバイル用シンプルレイアウトに */
    .compare-table {
        background: transparent;
        box-shadow: none;
        overflow: visible;
    }

    .compare-header {
        display: none !important;
    }

    .compare-row {
        display: block !important;
        background: var(--white);
        border-radius: var(--radius);
        margin-bottom: 12px;
        box-shadow: var(--shadow);
        overflow: hidden;
    }

    /* モバイルでは基本パック/+SNS列を非表示 */
    .compare-row .compare-col.ours {
        display: none !important;
    }

    .compare-row .compare-col {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 14px 16px;
        border-bottom: 1px solid var(--gray-200);
        font-size: 0.95rem;
    }

    .compare-row .compare-col:last-child {
        border-bottom: none;
    }

    .compare-row .compare-col.label {
        background: var(--gray-800);
        color: var(--white);
        font-weight: 700;
        font-size: 1rem;
        padding: 14px 16px;
    }

    .compare-row .compare-col.other {
        background: var(--white);
    }

    .compare-row .compare-col.other::before {
        content: "個別発注の相場";
        font-weight: 500;
        color: var(--gray-600);
        font-size: 0.85rem;
    }

    /* パックラベルをモバイルで表示 */
    .compare-row .compare-col.pack-label {
        display: flex !important;
        justify-content: center;
        padding: 10px 16px;
        font-weight: 700;
        font-size: 0.9rem;
        background: rgba(13, 148, 136, 0.1);
        color: var(--primary);
    }

    .compare-row .compare-col.pack-label.sns {
        background: rgba(14, 165, 233, 0.1);
        color: var(--accent);
    }

    /* 合計行 */
    .compare-row.total {
        border: 3px solid var(--primary);
    }

    .compare-row.total .compare-col.label {
        background: var(--primary);
    }

    .compare-row.total .compare-col.other {
        display: none !important;
    }

    .compare-row.total .compare-col.ours {
        display: flex !important;
        justify-content: space-between;
        background: var(--white);
    }

    .compare-row.total .compare-col.ours::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--gray-600);
    }

    .compare-row.total .compare-col .price {
        color: var(--primary);
        font-size: 1.1rem;
    }

    .onestop-benefit {
        padding: 24px 16px;
    }

    .onestop-benefit h3 {
        font-size: 1.2rem;
    }

    .strength-content {
        flex-direction: column;
    }

    .strength-main,
    .strength-profile {
        width: 100%;
    }

    .form-row {
        flex-direction: column;
    }

    .cta-title {
        font-size: 1.5rem;
    }

    .floating-line-button {
        bottom: 16px;
        right: 16px;
        width: 54px;
        height: 54px;
    }

    .line-option {
        flex-direction: column;
        gap: 12px;
    }

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

    .footer-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-producer-badge {
        padding: 4px 12px 4px 4px;
        gap: 8px;
    }

    .hero-producer-badge img {
        width: 32px;
        height: 32px;
    }

    .hero-producer-badge span {
        font-size: 0.75rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-title-main {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .cta-button,
    .submit-button {
        width: 100%;
        justify-content: center;
    }
}