/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-red: #FF3B3B;
    --dark-red: #D60000;
    --light-red: #FFF5F5;
    --black: #1a1a1a;
    --dark-gray: #333333;
    --gray: #666666;
    --light-gray: #f8f9fa;
    --white: #ffffff;
    --accent-red: #ffeded;
}

body {
    font-family: 'Shippori Mincho', serif;
    line-height: 1.8;
    color: var(--black);
    background-color: var(--white);
    overflow-x: hidden;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--black);
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 0.05em;
}

.nav {
    display: flex;
    gap: 25px;
}

.nav-link {
    text-decoration: none;
    color: var(--black);
    font-weight: 700;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    background: var(--light-gray);
    padding: 180px 20px 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '🍎';
    position: absolute;
    bottom: -20px;
    right: 5%;
    font-size: 15rem;
    opacity: 0.03;
    transform: rotate(15deg);
    pointer-events: none;
}

.hero-title {
    font-size: clamp(2.2rem, 6vw, 3.8rem);
    font-weight: 800;
    margin-bottom: 25px;
    color: var(--primary-red);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    margin-bottom: 30px;
    font-weight: 700;
    color: var(--dark-gray);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Common Section Styles */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-badge {
    display: inline-block;
    color: var(--primary-red);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    margin-bottom: 15px;
    border: 1px solid var(--primary-red);
    padding: 2px 12px;
    border-radius: 20px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.4;
}

.section-description {
    font-size: 1.1rem;
    color: var(--gray);
}

/* 1. Overview Section */
.overview-section {
    background-color: var(--white);
}

.overview-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.overview-main-text p {
    margin-bottom: 25px;
    font-size: 1.1rem;
    line-height: 2;
}

.overview-highlight-box {
    background: var(--light-red);
    padding: 40px;
    border-radius: 12px;
    border-left: 6px solid var(--primary-red);
}

.highlight-title {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--dark-red);
}

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

.highlight-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
    font-weight: 700;
    font-size: 0.95rem;
}

.highlight-list li::before {
    content: '🍎';
    position: absolute;
    left: 0;
    font-size: 1.1rem;
}

/* 2. Process Section */
.process-section {
    background-color: var(--light-gray);
}

.process-horizontal {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 50px;
}

.process-step-item {
    background: var(--white);
    padding: 25px 20px;
    border-radius: 8px;
    position: relative;
    border-bottom: 4px solid #ddd;
}

.process-step-item.highlight {
    border-bottom-color: var(--primary-red);
    background: var(--accent-red);
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(255, 59, 59, 0.1);
    z-index: 2;
}

.step-label {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--gray);
    margin-bottom: 10px;
}

.highlight .step-label {
    color: var(--primary-red);
}

.step-title {
    font-size: 1.05rem;
    font-weight: 800;
    margin-bottom: 12px;
    line-height: 1.4;
}

.step-text {
    font-size: 0.85rem;
    color: var(--gray);
    line-height: 1.6;
}

.process-detail-box {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    border: 1px dashed #ccc;
    font-size: 1.1rem;
}

/* 6. Standing Section */
.standing-section {
    background-color: var(--white);
}

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

.standing-visual {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.visual-box {
    flex: 1;
    padding: 25px 10px;
    text-align: center;
    border-radius: 8px;
    font-weight: 800;
    font-size: 0.9rem;
    border: 2px solid #eee;
}

.visual-box.client { background: #f0f0f0; }
.visual-box.ringo { 
    background: var(--primary-red); 
    color: white; 
    border-color: var(--primary-red);
}
.visual-box.ringo span {
    font-size: 0.7rem;
    font-weight: 400;
    display: block;
    margin-top: 5px;
}
.visual-box.customer { background: #e0e0e0; }
.visual-arrow { color: #ccc; font-size: 0.8rem; }

.info-title {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 25px;
}

.info-list {
    list-style: none;
    margin-bottom: 20px;
}

.info-list li {
    margin-bottom: 15px;
    padding-left: 20px;
    position: relative;
    font-size: 1rem;
}

.info-list li::before {
    content: '・';
    position: absolute;
    left: 0;
    color: var(--primary-red);
    font-weight: 800;
}

.info-note {
    font-size: 0.95rem;
    color: var(--gray);
    font-style: italic;
}

/* 7. Standardization Section */
.standardization-section {
    background-color: var(--light-gray);
}

.standard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.standard-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.card-num {
    background: var(--primary-red);
    color: white;
    padding: 15px 25px;
    font-size: 1.5rem;
    font-weight: 800;
    display: inline-block;
}

.card-title {
    padding: 20px 25px 10px;
    font-size: 1.25rem;
    font-weight: 800;
}

.card-body {
    padding: 0 25px 30px;
}

.card-subtitle {
    color: var(--primary-red);
    font-weight: 800;
    font-size: 0.85rem;
    margin-bottom: 15px;
}

.card-list {
    list-style: none;
    font-size: 0.95rem;
}

.card-list li {
    margin-bottom: 10px;
    line-height: 1.6;
}

.standard-footer {
    text-align: center;
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    line-height: 2;
}

/* 9. Management Section */
.management-section {
    background-color: var(--white);
}

.mgmt-flex {
    display: flex;
    gap: 40px;
}

.mgmt-content {
    flex: 1;
    background: var(--light-gray);
    padding: 45px;
    border-radius: 12px;
}

.mgmt-title {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--primary-red);
}

.mgmt-text {
    margin-bottom: 25px;
    font-weight: 700;
}

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

.mgmt-list li {
    margin-bottom: 15px;
    padding-left: 20px;
    position: relative;
    line-height: 1.6;
}

.mgmt-list li::before {
    content: '🍎';
    position: absolute;
    left: 0;
    font-size: 0.9rem;
}

/* 4. Profit Section */
.profit-section {
    background-color: var(--accent-red);
}

.profit-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
}

.profit-card {
    background: var(--white);
    padding: 45px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.05);
}

.profit-card .card-title {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-red);
}

.flow-list {
    padding-left: 25px;
    margin-bottom: 35px;
}

.flow-list li {
    margin-bottom: 15px;
    font-weight: 700;
}

.reward-example {
    background: var(--light-gray);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.example-title {
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--gray);
    margin-bottom: 10px;
}

.example-text {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary-red);
}

.pattern-list {
    list-style: none;
    margin-bottom: 25px;
}

.pattern-list li {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.pattern-tag {
    background: var(--black);
    color: white;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 4px;
    height: fit-content;
    white-space: nowrap;
}

.pattern-footer {
    font-size: 0.9rem;
    color: var(--gray);
    text-align: center;
    border-top: 1px solid #eee;
    padding-top: 20px;
}

/* 13. Collaboration Section */
.collaboration-section {
    background-color: var(--white);
}

.collab-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.collab-card {
    border: 1px solid #eee;
    border-radius: 16px;
    padding: 50px;
    display: flex;
    flex-direction: column;
}

.collab-card.highlight {
    background: var(--primary-red);
    color: white;
    border-color: var(--primary-red);
}

.collab-label {
    font-weight: 800;
    font-size: 0.8rem;
    opacity: 0.6;
    display: block;
    margin-bottom: 10px;
}

.collab-title {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 30px;
    line-height: 1.4;
}

.collab-list {
    list-style: none;
    margin-bottom: 30px;
    flex: 1;
}

.collab-list li {
    margin-bottom: 15px;
    padding-left: 20px;
    position: relative;
    font-size: 0.95rem;
}

.collab-list li::before {
    content: '・';
    position: absolute;
    left: 0;
}

.collab-benefit {
    font-weight: 800;
    font-size: 0.9rem;
    padding: 15px;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    margin-bottom: 20px;
}

.collab-summary {
    font-weight: 700;
    line-height: 1.6;
}

/* 5. Service Section */
.service-section {
    background-color: var(--light-gray);
}

.capability-grid-alt {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.cap-item {
    background: var(--white);
    padding: 15px 30px;
    border-radius: 30px;
    font-weight: 800;
    border: 1px solid #ddd;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

/* 15. Usecases Section */
.usecases-section {
    background-color: var(--white);
}

.usecase-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.usecase-card {
    background: var(--light-gray);
    border: 1px solid #eee;
    border-radius: 18px;
    padding: 45px;
    position: relative;
}

.usecase-card.alt {
    background: var(--accent-red);
    border-color: rgba(255, 59, 59, 0.25);
}

.usecase-kicker {
    display: inline-block;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: var(--primary-red);
    margin-bottom: 12px;
}

.usecase-title {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 15px;
}

.usecase-lead {
    font-size: 1rem;
    line-height: 1.9;
    color: var(--dark-gray);
    margin-bottom: 22px;
}

.usecase-note {
    display: inline-block;
    margin-top: 10px;
    font-size: 0.95rem;
    color: var(--gray);
}

.usecase-subtitle {
    font-size: 1.05rem;
    font-weight: 800;
    margin: 22px 0 12px;
    color: var(--primary-red);
}

.usecase-list {
    list-style: none;
    padding-left: 0;
}

.usecase-list li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 10px;
    line-height: 1.7;
    font-weight: 700;
    color: var(--dark-gray);
}

.usecase-list li::before {
    content: '・';
    position: absolute;
    left: 0;
    color: var(--primary-red);
    font-weight: 800;
}

/* 12. Step Section */
.step-section {
    background-color: var(--white);
}

.step-list-detailed {
    max-width: 800px;
    margin: 0 auto;
}

.step-detail-item {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
}

.step-detail-item::after {
    content: '';
    position: absolute;
    top: 50px;
    left: 24px;
    width: 2px;
    height: calc(100% - 10px);
    background: #eee;
}

.step-detail-item:last-child::after { display: none; }

.step-num-circle {
    width: 50px;
    height: 50px;
    background: var(--white);
    border: 2px solid #ddd;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.step-detail-item.highlight .step-num-circle {
    background: var(--primary-red);
    border-color: var(--primary-red);
    color: white;
}

.step-info h4 {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.step-info p {
    color: var(--gray);
}

/* 10. Value Section */
.value-section-alt {
    background-color: var(--light-gray);
}

.value-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.v-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    border-top: 4px solid var(--primary-red);
}

.v-title {
    font-size: 1.15rem;
    font-weight: 800;
    margin-bottom: 15px;
    color: var(--primary-red);
}

.v-text {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.6;
}

.value-footer {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 700;
}

/* 14. Testimonials Section */
.testimonials-section {
    background-color: var(--white);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.testimonial-card {
    background: var(--light-gray);
    padding: 50px;
    border-radius: 20px;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 30px;
    font-size: 6rem;
    color: var(--primary-red);
    opacity: 0.1;
    font-family: serif;
}

.t-header {
    margin-bottom: 25px;
}

.t-name {
    display: block;
    font-weight: 800;
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.t-label {
    font-size: 0.8rem;
    color: var(--gray);
}

.t-title {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--primary-red);
}

.t-text {
    font-size: 1rem;
    line-height: 1.8;
}

/* 3. WinWin Section */
.winwin-section {
    background-color: var(--light-gray);
}

.winwin-card {
    background: var(--white);
    padding: 80px 60px;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.05);
    text-align: center;
}

.winwin-title {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--primary-red);
    margin-bottom: 40px;
}

.winwin-body p {
    font-size: 1.15rem;
    line-height: 2.2;
    margin-bottom: 30px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* 17. Attention Section */
.attention-section {
    background-color: var(--white);
}

.attention-card {
    max-width: 900px;
    margin: 0 auto;
    background: var(--light-gray);
    padding: 60px;
    border-radius: 24px;
    border-top: 6px solid var(--primary-red);
}

.attention-body p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 1.8;
}

.attention-highlight-box {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

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

.attention-list li {
    position: relative;
    padding-left: 35px;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.attention-list li:last-child {
    margin-bottom: 0;
}

.attention-list li::before {
    content: '⚠️';
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

.attention-footer {
    text-align: center;
    font-weight: 700;
    color: var(--gray);
    margin-bottom: 0 !important;
}

/* CTA & Booking */
.cta-section {
    background: var(--primary-red);
    color: white;
    text-align: center;
    padding: 100px 20px;
}

.cta-title { font-size: 2.2rem; font-weight: 800; margin-bottom: 20px; }
.cta-description { margin-bottom: 40px; font-size: 1.1rem; }
.cta-button { 
    display: inline-block; background: white; color: var(--primary-red); 
    padding: 18px 60px; text-decoration: none; font-weight: 800; border-radius: 4px;
}

.booking-section { background: var(--white); padding: 100px 0; }
.booking-title { text-align: center; font-size: 2.2rem; margin-bottom: 30px; }
.booking-description { text-align: center; margin-bottom: 40px; }
.booking-note { text-align: center; color: var(--primary-red); font-weight: 700; margin-bottom: 40px; }

/* Company Section */
.company-section {
    background-color: var(--light-gray);
}

.company-card {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    padding: 55px;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.05);
}

.company-table {
    display: grid;
    gap: 0;
}

.company-row {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 24px;
    padding: 16px 0;
    border-bottom: 1px solid #eee;
}

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

.company-label {
    font-weight: 800;
    color: var(--gray);
    letter-spacing: 0.02em;
}

.company-value {
    font-weight: 700;
    color: var(--dark-gray);
    line-height: 1.9;
    word-break: break-word;
}

.company-value a {
    color: var(--primary-red);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 59, 59, 0.35);
}

.company-value a:hover {
    border-bottom-color: rgba(255, 59, 59, 0.8);
}

/* Footer */
.footer {
    background: var(--black);
    color: rgba(255,255,255,0.6);
    padding: 40px 0;
    text-align: center;
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 992px) {
    .overview-content, .standing-content, .profit-grid, .collab-grid, .testimonial-grid {
        grid-template-columns: 1fr;
    }
    .process-horizontal {
        grid-template-columns: 1fr;
    }
    .standard-grid {
        grid-template-columns: 1fr;
    }
    .usecase-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav { display: none; }
    .mgmt-flex { flex-direction: column; }

    .company-card {
        padding: 35px 25px;
        border-radius: 18px;
    }

    .company-row {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 18px 0;
    }
}