/* Global Reset and Common Utilities */
* { box-sizing: border-box; }

/* 税抜表記のフォントサイズを少し小さく、下寄せ */
.tax-excluded {
    font-size: 0.55em;
    display: inline-block;
    line-height: 1;
    align-self: flex-end;
    margin-left: 2px;
}

/* CTAセクションのスタイル */
.call-to-action-section {
    background: linear-gradient(135deg, #18a53b, #7dc24e);
    text-align: center;
    color: #fff;
    margin: 0;
    width: 100%;
}

/* ---------- FAQ Section ----------*/
.faq-section {
    padding: 50px 0;
    background-color: #e8f5e0;
}
.faq-section .container {
    background-color: #fff;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 10px 50px 10px;
}
.faq-section .section-title {
text-align: center;
font-size: 36px;
font-weight: bold;
margin-bottom: 20px;
color: #2ab83d;
}
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.faq-item {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
}
.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 14px 16px;
    font-weight: 600;
    color: #444;
    position: relative;
}
.faq-item summary::-webkit-details-marker {
    display: none;
}
.faq-item[open] summary {
    background-color: #f1fff0;
    border-bottom: 1px solid #e5e5e5;
}
.faq-item .answer {
    padding: 14px 16px;
    color: #444;
    line-height: 1.7;
    background-color: #fff;
}
.faq-item summary::after {
    content: '-';
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #80cf18;
}
.faq-item[open] summary::after {
    content: '+';
    color: #22a181;
}

@media (max-width: 768px) {
    .faq-section .container {
        padding: 0 10px;
    }
    .faq-item summary,
    .faq-item .answer {
        padding: 12px;
    }
}

.cta-content {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.cta-text {
    font-size: 40px;
    font-weight: bold;
    vertical-align:  middle; 
}

.cta-arrow {
    font-size: 50px;
    font-weight: bold;
    color: rgba(255, 255, 255, 0.8);
}

.cta-download-btn {
    background-color: #FFC107;
    color: #444;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 20px;
    font-weight: bold;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s ease, transform 0.3s ease;
margin: 20px;
}

.cta-download-btn:hover {
    background-color: #e0a800;
    transform: translateY(-3px);
}

.download-count {
    color: #fff;
    padding: 5px 15px;
    border-radius: 5px;
    font-size: 20px;
    margin-bottom: 5px;
}

 
@media (max-width: 768px) {
    .call-to-action-section {
        margin-left: 0;
    }
    
    .cta-text {
        font-size: 30px;
    }
    .cta-arrow {
        display: none;
    }
    .cta-content {
        flex-direction: column;
        gap: 20px;
    }
    .cta-download-btn {
        font-size: 20px;
        padding: 15px 30px;
    }
    .download-count {
        font-size: 18px;
    }
}

/* Common Section Titles and Subtitles */
.section-title {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #444;
}

.section-subtitle {
    font-size: 1.1em;
    color: #666;
    margin-bottom: 50px;
}

.section-divider {
    width: 80%;
    max-width: 1000px;
    height: 2px;
    background: linear-gradient(to right, transparent, #18a53b, transparent);
    margin: 60px auto;
    position: relative;
}

.section-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background-color: #22a181;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

@media (max-width: 768px) {
    .section-title {
        font-size: 28px;
    }
    .section-subtitle {
        font-size: 1em;
        margin-bottom: 30px;
    }
}

/* Header Banner (If used as a general component) */
.header-banner {
    background-color: #80cf18;
    color: #fff;
    text-align: center;
    padding: 30px 20px;
    margin-bottom: 50px;
}

.header-banner p {
    margin: 0;
    font-size: 1.2em;
    font-weight: bold;
}

.header-banner .main-message {
    font-size: 2.2em;
    font-weight: bolder;
    margin-top: 10px;
}

.header-banner .icon-gear {
    display: inline-block;
    width: 32px;
    height: 32px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    vertical-align: middle;
    margin-right: 8px;
}

.header-banner .icon-gear--finance-intro {
    background-image: url('../image/icon1.png');
}

.header-banner .icon-gear--finance-linkage {
    background-image: url('../image/icon2.png');
}

@media (max-width: 768px) {
    .header-banner {
        padding: 20px 10px;
        margin-bottom: 30px;
    }
    .header-banner p {
        font-size: 1em;
    }
    .header-banner .main-message {
        font-size: 2em;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.7);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: #fefefe;
    margin: auto;
    padding: 20px;
    border: 1px solid #888;
    max-width: 90%;
    max-height: 90%;
    position: relative;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.close-btn {
    color: #aaa;
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 36px;
    font-weight: bold;
    cursor: pointer;
}

.close-btn:hover,
.close-btn:focus {
    color: #000;
    text-decoration: none;
}

@media (max-width: 1200px) {
    .modal-content {
        padding: 10px;
    }
    .close-btn {
        font-size: 28px;
        top: 5px;
        right: 10px;
    }
}

@media (max-width: 940px) {
    .modal-content {
        padding: 10px;
    }
    .close-btn {
        font-size: 28px;
        top: 5px;
        right: 10px;
    }
}

/* ----------Hero Section ----------*/
.hero-section {
    background-image: url('../image/finance/bg_02.gif');
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
    padding: 200px 0 50px 0;
    padding-top: 80px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    text-align: left;
    margin-bottom: 0;
    transition: margin-left 0.3s ease;
}

.hero-section .container {
    width: 100%;
    max-width: 900px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 20px;
}

.hero-content {
    max-width: 600px;
    margin: 0;
    opacity: 1;
    visibility: visible;
}

.hero-content p{
    color:#000;
}

.hero-content h1 {
    font-size: 46px;
    font-weight: bold;
    margin: 0;
    color: #fff;
    text-shadow: 1px 2px 3px #666;
    min-height: 1.2em;
    opacity: 1;
}
.hero-content h2 {
    font-size: 25px;
    font-weight: bold;
    color: #000;
    opacity: 1;
}

.hero-image h2 {
    font-size: 30px;
    font-weight: bold;
    margin: 0;
    text-align: center;
    color: #000;
}

.hero-content p {
    font-size: 16px;
    margin: 0 0 40px;
    opacity: 1;
}

.hero-buttons {
    opacity: 0;
    transform: translateY(20px);
}

.hero-buttons .btn-style-1,
.hero-buttons .btn-style-2 {
    margin: 0 20px 0 0;
    padding: 10px 10px;
}

.hero-image {
    margin-top: 20px;
    width: 250px;
    height: auto;
    opacity: 0;
    transform: translateX(30px);
}

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


@media (min-width: 769px) {
    .hero-section {
        margin: -40px 0;
        padding: 70px 15px 50px 15px;
    }
    .hero-buttons .btn-style-1,
    .hero-buttons .btn-style-2 {
        margin: 10px;
        font-size: 13px;
        padding: 10px;
    }
}

@media (max-width: 768px) {
    .hero-section {
        margin: -40px 0;
        padding: 50px 15px 50px 15px;
    }

    .hero-section .container {
        flex-direction: column;
        gap: 20px;
        max-width: 100%;
    }

    .hero-content {
        max-width: none;
        text-align: left;
    }

    .hero-image {
        max-width: 160px;
        margin: 20px auto 0 auto;
        text-align: center;
        display: block;
    }

    .hero-content h1 {
        font-size: 32px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .hero-buttons .btn-style-1,
    .hero-buttons .btn-style-2 {
        margin: 5px;
        font-size: 12px;
        padding: 5px 5px;
    }
}



/* ----------News Section ----------*/
.news-section {
    padding: 50px 0 100px 0;
    background-color:#ddff9f;
    transition: margin-left 0.3s ease;
}

.news-section .container {
    display: flex;
    justify-content: center;
}

.news-column {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    padding:20px;
    width: 100%;
    max-width: 800px;
    text-align: center;
}

.news-column-title {
    font-size: 25px;
    font-weight: bold;
    color: #444;
    margin-bottom: 25px;
}

.news-column .news-list-container{
    text-align: left;
}

.news-list {
    list-style: none;
    padding: 0;
    margin-bottom: 25px;
    width: 80%;
    margin: 0 auto;
}

.news-list li {
    margin-bottom: 15px;
    font-size: 18px;
}

.news-item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    line-height: 1.6;
}

.news-item-date {
    font-weight: 700;
    color: #14532d;
    min-width: 110px;
    text-align: left;
}

.news-item-title {
    color: #444;
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-item-title:hover {
    color: #444;
}

.news-item-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
}

.news-item-category {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 999px;
    background: #ecfdf5;
    color: #065f46;
}

.news-item-summary {
    margin: 0;
    font-size: 15px;
    color: #475569;
    cursor: default;
}

.news-item-summary:hover::after,
.news-item-summary:hover::before {
    display: none !important;
}

.news-empty {
    font-size: 16px;
    color: #64748b;
}

.news-list li a {
    color: #444;
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-list li a:hover {
    color: #444;
}

.news-more {
    display: inline-block;
    font-size: 16px;
    color: #666;
    text-decoration: none;
    font-weight: bold;
    padding: 8px 15px;
    border: 1px solid #666;
    border-radius: 5px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.news-more.is-hidden {
    display: none;
}

.news-more:hover {
    background-color: #22a181;
    color: #fff;
}

@media (max-width: 1024px) {
    .sidebar-nav {
        width: 180px;
        padding: 30px 10px;
    }

    .sidebar-nav h3 {
        font-size: 16px;
    }

    .sidebar-nav a {
        padding: 8px 10px;
        font-size: 13px;
    }

    .main-content {
        margin-left: 180px;
    }
}

@media (max-width: 768px) {
    .news-section {
        padding: 40px 0;
        margin-left: 0;
    }

    .news-section .container {
        max-width: 100%;
        padding: 0 15px;
    }

    .news-column {
        padding: 20px 15px;
    }

    .news-column-title {
        font-size: 22px;
        margin-bottom: 20px;
    }

    .news-list li {
        font-size: 16px;
    }

    .sidebar-nav {
        display: none;
    }

    .main-content {
        margin-left: 0;
        width: 100%;
        padding: 0;
        padding-top: 80px;
    }

    .main-title {
        margin: 30px 10px 10px;
    }

    .content {
        margin: 10px 0;
        width: 100%;
    }

    .left-menu {
        padding: 20px 30px;
    }

    .right-menu-container {
        padding: 20px;
    }

    .menu-display-area {
        margin: 30px 10px;
        width: calc(100% - 20px);
    }

    .header-banner {
        margin-bottom: 30px;
    }

    .two-column-layout {
        flex-direction: column;
    }
}

/* ----------Sales Problem Section ----------*/
.sales-problem-section {
    background-color: #f8f9fa;
    text-align: center;
}

.sales-problem-section .container {
    padding: 60px ;
    width: 100%;
}

.sales-problem-section .section-title {
    text-align: center;
    font-size: 32px;
    font-weight: bold;
    color: #444;
}

.sales-problems-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.sales-problem-item {
    padding: 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sales-problem-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.sales-problem-item .problem-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.sales-problem-section h2 {
    font-size: 18px;
    font-weight: bold;
    color: #444;
    margin: 0 0 50px 0;
    line-height: 1.4;
}

.sales-problem-item h3 {
    font-size: 18px;
    font-weight: bold;
    color: #444;
    margin-bottom: 15px;
    line-height: 1.4;
}

.sales-problem-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
}

.sales-problem-item .arrow-down {
    font-size: 24px;
    color: #22a181;
    margin: 15px 0;
}

.sales-problem-item .solution {
    background-color: #e6f7ff;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #18a53b;
    text-align: left;
}

.sales-problem-item .solution-label {
    font-size: 13px;
    font-weight: bold;
    color: #22a181;
    margin-bottom: 8px;
}

.sales-problem-item .solution-detail {
    font-size: 13px;
    color: #444;
    line-height: 1.6;
    margin: 0;
}

.problem-cta {
    text-align: center;
    padding: 40px 20px;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.problem-cta .cta-text {
    font-size: 24px;
    color: #444;
    font-weight: 500;
    margin-bottom: 20px;
}

.problem-cta .cta-text strong {
    color: #22a181;
    font-weight: 700;
}

.problem-cta .cta-button {
    display: inline-block;
    background-color: #FFC107;
    color: #444;
    text-decoration: none;
    padding: 15px 40px;
    border-radius: 10px;
    font-size: 18px;
    font-weight: bold;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.problem-cta .cta-button:hover {
    background-color: #e0a800;
    transform: translateY(-3px);
}

/* 1700px～1920pxの大画面対応 */
@media (min-width: 1700px) and (max-width: 1920px) {
    .container {
        max-width: 1400px;
    }
    
    .section-title {
        font-size: 42px;
    }
    
    .section-subtitle {
        font-size: 20px;
    }
    
    .sales-problems-grid {
        max-width: 1200px;
        gap: 40px;
    }
    
    .sales-problem-item {
        padding: 35px;
    }
    
    .sales-problem-item .problem-icon {
        font-size: 56px;
    }
    
    .sales-problem-item h3 {
        font-size: 22px;
    }
    
    .sales-problem-item p {
        font-size: 16px;
    }
    
    .introduction-section .container {
        max-width: 1400px;
    }
    
    .introduction-content-wrapper {
        gap: 50px;
    }
    
    .introduction-sub-text {
        padding: 35px 40px;
    }
    
    .feature-title {
        font-size: 28px;
    }
    
    .data-linkage-section .container {
        max-width: 1400px;
    }
    
    .data-flow-diagram {
        gap: 60px;
    }
    
    .flow-box {
        padding: 40px;
    }
    
    .point-item {
        padding: 40px;
    }
    
    .point-title {
        font-size: 24px;
    }
    
    .point-description {
        font-size: 16px;
    }
}

@media (max-width: 1024px) {
    .sales-problems-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .sales-problem-section {
        padding: 60px 0;
    }

    .sales-problem-section .container {
        max-width: 100%;
        padding: 0 15px;
    }

    .sales-problem-section .section-title {
        font-size: 26px;
        margin-bottom: 40px;
    }

    .sales-problems-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .sales-problem-item {
        padding: 25px 20px;
    }

    .sales-problem-item .problem-icon {
        font-size: 40px;
    }

    .sales-problem-item h3 {
        font-size: 16px;
    }

    .problem-cta {
        padding: 30px 15px;
    }

    .problem-cta .cta-text {
        font-size: 20px;
    }

    .problem-cta .cta-button {
        padding: 12px 30px;
        font-size: 16px;
    }
}

/* 【Two-Column Layout (Sidebar and Main Content) 】*/
.two-column-layout {
    display: flex;
    min-height: 100vh;
    background-color:#f8f9fa;
    padding-top: 0;
    position: relative;
}

.sidebar-nav {
    width: 220px;
    background: linear-gradient(135deg, #6366f1, #22d3ee);
    padding: 30px 15px;
    padding-top: 150px;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    border-right: 1px solid #e9ecef;
    z-index: 50;
    transition: width 0.3s ease;
}

.sidebar-nav h3 {
    font-size: 17px;
    font-weight: bold;
    margin-bottom: 20px;
    color: white;
    border-bottom: 2px solid #6366f1;
    padding-bottom: 10px;
}

.sidebar-nav p {
    font-size: 13px;
    color: white;
    font-weight: bold;
}

.sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-nav li {
    margin-bottom: 10px;
}

.sidebar-nav a {
    display: block;
    padding: 10px 12px;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    font-size: 13px;
}

.sidebar-nav a:hover {
    background-color:  #e8f0ff;
    color: #2c3e50;
}

.main-content {
    flex: 1;
    padding: 0;
    padding-top: 120px;
    background-color: #fff;
    margin-left: 220px;
    transition: margin-left 0.3s ease;
}

.main-title {
    margin: 50px 70px 10px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
    padding: 5px;
    background-color: #fff;
    color: #444;
}

.content {
    margin: 10px 70px;
    display: flex;
    flex-grow: 1;
    background-color: #e8f0ff60;
}

/* ----------Introduction Section (機能紹介セクション ----------*/
.introduction-section {
    padding: 0 0 50px 0;
    text-align: center;
}

.introduction-section .container {
    max-width: 90%;
    margin: 0 auto 100px;
    padding: 20px 0;
    background-color: #fff;
}

/* Full width image */
.introduction-section .full-width-image {
    width: 100%;
    margin: 40px 0;
    text-align: center;
}

.introduction-section .full-width-image img {
    max-width: 70%;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* Introduction content layout */
.introduction-section .introduction-content {
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    flex-wrap: wrap;
    margin-bottom: 80px;
    text-align: left;
}

.introduction-section .introduction-image {
    width: 175px;
    height: 227px;
}

.introduction-section .introduction-text {
    max-width: 800px;
    height: auto;
}

.introduction-section .introduction-text p {
    margin-top: 0;
}

.introduction-section .introduction-sub-text {
    max-width: 780px;
    height: auto;
    margin-left: 20px;
}

.introduction-section .introduction-sub-text h4 {
    font-size: 22px;
    margin: 0;
}

.introduction-section .feature-title {
    font-size: 28px;
    font-weight: bold;
    color: #444;
    margin-top: 0;
    margin-bottom: 20px;
}

.introduction-section .note {
    font-size: 10px;
    vertical-align: text-bottom;
    margin-left: 30px;
}

.introduction-section .introduction-img {
    display: flex;
    gap: 20px;
    margin: 20px;
    justify-content: flex-start;
}

.introduction-section .introduction-img img {
    max-width: 200px;
    height: auto;
}

.introduction-section .menu-display-area .main-title {
    text-align: left;
    font-family: 'M PLUS 1 Black', sans-serif;
    font-weight: 900;
    color: #FFFFFF;
    font-size: 24px;
    padding: 10px 20px;
    white-space: nowrap;
    
    
    background: linear-gradient(to bottom, #a5eb5f, #6aa530);
    border-radius: 5px;
    box-shadow: 
        0 2px 2px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
    
    text-shadow: 
        1px 1px 0 rgba(0, 0, 0, 0.5),
        -1px -1px 0 rgba(0, 0, 0, 0.3);

}

/* 補足説明*/
.introduction-notes {
    text-align: left;
    color: #444;
    font-size: 0.95em;
    line-height: 1.8;
    margin-bottom: 60px;
    width: 70%;
    margin: 0 auto 60px;
}

.introduction-notes p {
    text-align: left;
}


/* Responsive styles */
@media (max-width: 1200px) {
    .introduction-section .container {
        max-width: 90%;
        padding: 70px;
    }
}

@media (max-width: 1100px) {
    .introduction-section .introduction-text {
        order: 1;
    }
    
    .introduction-section .introduction-image {
        order: 2;
        width: 100%;
        max-width: 500px;
        margin: 20px auto 0;
    }
}

@media (max-width: 940px) {
    .sidebar-nav {
        display: none;
    }

    .main-content {
        margin-left: 0;
        width: 100%;
    }

    .hero-section {
        margin-left: 0;
        padding: 80px 15px 50px 15px;
    }

    .news-section {
        margin-left: 0;
    }

    .introduction-section .container {
        max-width: 100%;
        padding: 10px;
    }
}

@media (max-width: 768px) {


    .introduction-section .container {
        max-width: 100%;
        padding: 0 10px;        margin: 0 auto 50px;
    }

    .introduction-section p {
        font-size: 12px;
    }
    .introduction-section .main-title {
        font-size: 14px;
    }

    .introduction-section .full-width-image {
        margin: 20px 0;
    }

    .introduction-section .full-width-image img {
        max-width: 90%;
    }

    .introduction-section .introduction-content {
        margin-bottom: 40px;
    }
}

/* ----------Menu Display Area (Accordion) ----------*/
.menu-display-area {
    border: 2px solid #444;
    border-radius: 8px;
    overflow: hidden;
    margin: 50px auto;
    width: 80%;
    background-color: #ddd;
}

.main-title {
    margin: 0;
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
    padding: 20px 5px;
    background: linear-gradient(to bottom, #a5eb5f, #6aa530);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.content {
    padding: 10px 10px 50px 10px;
    margin: 0;
    display: flex;
    flex-grow: 1;
    background-color: #444;
    background-image: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 1px,
            rgba(0,0,0,0.01) 1px,
            rgba(0,0,0,0.01) 2px
        );
}

.left-menu {
    width: 30%;
    background-color: #80cf18;
    background-image: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 1px,
            rgba(0,0,0,0.01) 1px,
            rgba(0,0,0,0.01) 2px
        );
    padding: 20px 15px;
    border-right: 1px solid #444;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.left-menu .menu-button {
    font-family: "Hiragino Mincho ProN";
    font-weight: 500;
    background-color: #fff;
    border: none;
    border-radius: 0;
    padding: 10px 15px;
    cursor: pointer;
    font-size: 0.95rem;
    text-align: center;
    transition: all 0.2s ease;
    width: 100%;
    color: #444;
    border: 2px solid #aaaaaa;
}

.left-menu .menu-button:hover {
    background-color: #f0f0f0;
}

.left-menu .menu-button.active {
    background: linear-gradient(to bottom, #a5eb5f, #6aa530);
    color: #fff;
    position: relative;
    box-shadow: inset 0 0 0 5px #fff;
}


.right-menu-container {
    border: none;
    background-color: #fff;
    background-image: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 1px,
            rgba(0,0,0,0.01) 1px,
            rgba(0,0,0,0.01) 2px
        );
    width: 70%;
    flex-grow: 1;
    padding: 30px 40px;
    display: flex;
    flex-direction: column;
}

.right-menu {
    display: none;
    flex-wrap: wrap;
    gap: 15px;
    align-content: flex-start;
}

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

.right-menu .preview-btn,
.right-menu .placeholder-button {
    font-family: "Hiragino Mincho ProN";
    font-weight: 500;
    background: #fff;
    border: 5px solid #bbb;
    border-radius: 2px;
    padding: 8px 15px;
    cursor: pointer;
    font-size: 0.9rem;
    text-align: center;
    transition: all 0.2s ease;
    width: 45%;
    min-width: 180px;
    color: #444;
    white-space: nowrap;
    box-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.right-menu .preview-btn:hover {
    border: 5px solid #7dc24e;
}

.right-menu .placeholder-button {
    visibility: hidden;
    pointer-events: none;

    border-color: transparent;
    box-shadow: none;
}

.menu-row {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    width: 100%;
    justify-content: space-around;
}

@media (max-width: 1200px) {
    .menu-display-area {
        width: 95%;
    }
    
    .content {
        flex-direction: column;
    }
    
    .left-menu {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #444;
        padding: 15px;
    }
    
    .right-menu {
        justify-content: center;
    }
    
    .right-menu .preview-btn,
    .right-menu .placeholder-button {
        width: 48%;
    }
    
    .right-menu-container {
        width: 100%;
        justify-content: center;
        padding: 30px 20px;
    }
    
    .menu-row {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .menu-display-area {
        width: 100%;
        margin: 30px 10px;
    }
    
    .main-title {
        font-size: 1.2rem;
        padding: 15px 5px;
    }
    
    .content {
        flex-direction: column;
    }
    
    .left-menu {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #444;
        padding: 15px 10px;
        gap: 5px;
    }
    
    .left-menu .menu-button {
        font-size: 0.9rem;
        padding: 8px 12px;
    }
    
    .left-menu .menu-button.active {
        border-radius: 4px;
    }
    
    .right-menu {
        justify-content: center;
    }
    
    .right-menu .preview-btn,
    .right-menu .placeholder-button {
        width: 100%;
    }
    
    .right-menu-container {
        width: 100%;
        padding: 20px 15px;
    }
    
    .menu-row {
        margin: 0;
        justify-content: center;
        flex-direction: column;
        gap: 10px;
    }

    .introduction-notes {
        text-align: left;
        font-size: 0.9em;
        width: 90%;
    }

    .dintroduction-notes p {
        text-align: left;
    }

}

/* ---------- data-linkage-section ----------*/
.data-linkage-section {
    padding: 0 0 50px 0;
    text-align: center;
    background-color: #ffffff;
}

.data-linkage-section .container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.data-linkage-section .section-description {
    font-size: 1.05em;
    color: #444;
    line-height: 1.8;
    margin-bottom: 40px;
}

.data-flow-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin: 40px 0 60px 0;
    flex-wrap: wrap;
}

.flow-box {
    background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
    border: 2px solid #ddd;
    border-radius: 12px;
    padding: 20px 25px;
    min-width: 180px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.flow-box:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.flow-box.flow-start {
    border-color: #80cf18;
    background: linear-gradient(135deg, #e8f5e0 0%, #ffffff 100%);
}

.flow-box.flow-center {
    border-color: #5cb85c;
    background: linear-gradient(135deg, #d4edda 0%, #ffffff 100%);
    border-width: 3px;
}

.flow-box.flow-end {
    border-color: #abf07c;
    background: linear-gradient(135deg, #f0f9e8 0%, #ffffff 100%);
}

.flow-icon {
    font-size: 2.5em;
    margin-bottom: 10px;
}

.flow-title {
    font-weight: bold;
    font-size: 1.1em;
    color: #444;
    margin-bottom: 5px;
}

.flow-box p {
    font-size: 0.9em;
    color: #666;
    margin: 5px 0 0 0;
}

.flow-arrow {
    font-size: 2em;
    color: #80cf18;
    font-weight: bold;
    margin: 0 5px;
}

 
.data-linkage-points {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin: 50px 0 60px 0;
    align-items: center;
}

.data-linkage-points .point-item {
    background-color: #fff;
    border: 2px solid #e5e5e5;
    border-radius: 12px;
    padding: 25px 30px;
    width: 100%;
    max-width: 800px;
    text-align: left;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.data-linkage-points .point-item:hover {
    border-color: #80cf18;
    box-shadow: 0 4px 15px rgba(125, 194, 78, 0.15);
    transform: translateY(-2px);
}

.data-linkage-points .point-item-highlight {
    background: linear-gradient(135deg, #fffef0 0%, #ffffff 100%);
    border: 3px solid #ffc107;
    box-shadow: 0 4px 15px rgba(255, 193, 7, 0.2);
}

.point-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.point-badge {
    background: linear-gradient(135deg, #7dc24e, #5cb85c);
    color: #fff;
    font-weight: bold;
    font-size: 0.85em;
    padding: 6px 14px;
    border-radius: 20px;
    white-space: nowrap;
    box-shadow: 0 2px 6px rgba(125, 194, 78, 0.3);
}

.point-badge-premium {
    background: linear-gradient(135deg, #ffc107, #ff9800);
    box-shadow: 0 2px 6px rgba(255, 193, 7, 0.4);
}

.point-title {
    font-size: 1.15em;
    font-weight: bold;
    color: #444;
    margin: 0;
}

.point-description {
    font-size: 0.95em;
    color: #444;
    line-height: 1.8;
    margin-bottom: 12px;
}

.point-benefit {
    display: inline-block;
    background-color: #e8f5e0;
    color: #22a181;
    font-size: 0.9em;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 6px;
    margin-top: 10px;
}

.price-highlight {
    color: #ff6b00;
    font-size: 1.1em;
    background: linear-gradient(transparent 60%, rgba(255, 193, 7, 0.3) 60%);
}

.multi-pc-cost-table-block {
    margin-bottom: 50px;
}

.multi-pc-cost-table-block .cost-table-title {
    font-size: 1.8em;
    color: #22a181;
    margin-bottom: 25px;
    position: relative;
    display: inline-block;
}

.multi-pc-cost-table-block .cost-table {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    border-collapse: collapse;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.multi-pc-cost-table-block .cost-table th,
.multi-pc-cost-table-block .cost-table td {
    border: 1px solid #ddd;
    padding: 12px 15px;
    text-align: center;
}

.multi-pc-cost-table-block .cost-table th {
    background-color: #f1fff0;
    font-weight: bold;
    color: #444;
}

.multi-pc-cost-table-block .cost-table tbody tr:nth-child(even) {
    background-color: #f9f9f9;
}



/* 補足説明*/
.data-linkage-notes {
    text-align: left;
    color: #444;
    font-size: 0.95em;
    line-height: 1.8;
    margin-bottom: 60px;
    width: 70%;
    margin: 0 auto 60px;
}

.data-linkage-notes p {
    text-align: left;
}

/* 自動見積もり */
.multi-pc-estimate-block {
    background-color: #e6f7ff; /* 背景色 */
    padding: 50px 30px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.multi-pc-estimate-block .estimate-title {
    font-size: 2.2em;
    color: #22a181;
    margin-bottom: 10px;
}

.multi-pc-estimate-block .estimate-subtitle {
    font-size: 1.1em;
    color: #666;
    margin-bottom: 40px;
}

.multi-pc-estimate-block .estimate-form-area {
    margin: 0 40px;
    background-color: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.multi-pc-estimate-block .form-instruction {
    font-size: 1em;
    color: #444;
    margin-bottom: 20px;
    text-align: left;
    background-color: #f1fff0;
    padding: 10px 15px;
    border-radius: 5px;
    border-left: 4px solid #18a53b;
}

.multi-pc-estimate-block .input-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.multi-pc-estimate-block .input-row label {
    font-weight: bold;
    color: #444;
    font-size: 1.1em;
    white-space: nowrap;
}

.multi-pc-estimate-block .input-row input[type="number"] {
    width: 80px;
    padding: 8px 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1em;
    text-align: right;
}

.multi-pc-estimate-block .input-row .unit {
    font-size: 1.1em;
    color: #444;
}

.multi-pc-estimate-block .input-row button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-size: 1em;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
    white-space: nowrap;
}

.multi-pc-estimate-block .input-row button#calculate-estimate {
    background-color: #22a181;
    color: #fff;
    margin-left: 20px;
}

.multi-pc-estimate-block .input-row button#calculate-estimate:hover {
    background-color: #0056b3;
}

.multi-pc-estimate-block .input-row button#clear-estimate {
    background-color: #f0f0f0;
    color: #444;
    border: 1px solid #ddd;
}

.multi-pc-estimate-block .input-row button#clear-estimate:hover {
    background-color: #ddd;
}

 
.multi-pc-estimate-block .calculation-result-new {
    border: 1px solid #a0c0e0;
    background-color: #fff;
    width: 100%;
    max-width: 550px;
    margin: 0 auto;
    font-size: 0.95em;
    color: #444;
    border-radius: 5px;
    overflow: hidden;
}

.multi-pc-estimate-block .result-header {
    display: flex;
    border-bottom: 1px solid #a0c0e0;
}

.multi-pc-estimate-block .result-header .empty-cell {
    width: 20%;
    border-right: 1px solid #a0c0e0;
}

.multi-pc-estimate-block .result-header .header-cell {
    width: 80%;
    background-color: #d0e0ff;
    padding: 8px 10px;
    text-align: center;
    font-weight: bold;
}

.multi-pc-estimate-block .result-group {
    display: flex;
    border-bottom: 1px solid #a0c0e0;
}
 
.multi-pc-estimate-block .result-group:last-child {
    border-bottom: none;
}

.multi-pc-estimate-block .group-label {
    width: 20%;
    background-color: #d0e0ff;
    padding: 10px 5px;
    text-align: center;
    font-weight: bold;
    border-right: 1px solid #a0c0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1.4;
}
.multi-pc-estimate-block .monthly-support-group .group-label {
    background-color: #ffe0b0;
}

.multi-pc-estimate-block .group-content {
    width: 80%;
}

.multi-pc-estimate-block .result-row {
    display: flex;
    border-bottom: 1px solid #ddd;
}
 
.multi-pc-estimate-block .result-group .group-content .result-row:last-child {
    border-bottom: none;
}

.multi-pc-estimate-block .result-row.total-row {
    background-color: #f8f9fa;
}


.multi-pc-estimate-block .label-cell {
    width: 60%;
    padding: 8px 10px;
    text-align: left;
    border-right: 1px solid #ddd;
    display: flex;
    align-items: center;
}

.monthly-support-group .label-cell {
    width: 60%;
    padding: 20px 10px;
    text-align: left;
    border-right: 1px solid #ddd;
    display: flex;
    align-items: center;
}

.multi-pc-estimate-block .value-cell {
    width: 40%;
    padding: 8px 10px;
    text-align: right;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.multi-pc-estimate-block .result-row.total-row .label-cell {
    background-color: #e6f7ff;
    color: #22a181;
    font-weight: bold;
}

.multi-pc-estimate-block .monthly-support-group .result-row.total-row .label-cell {
    background-color: #fff3e0;
    color: #ff8c00;
    font-weight: bold;
}

.multi-pc-estimate-block .value-cell.blue-highlight {
    background-color: #e6f7ff;
    color: #22a181;
}

.multi-pc-estimate-block .value-cell.orange-highlight {
    background-color: #fff3e0;
    color: #ff8c00;
}


 
@media (max-width: 768px) {
    .data-linkage-section .container {
        max-width: 100%;
        padding: 0 10px;
    }

    .data-linkage-section .section-description {
        font-size: 0.95em;
    }

    
    .data-flow-diagram {
        flex-direction: column;
        gap: 10px;
        margin: 30px 0 40px 0;
    }

    .flow-box {
        min-width: 150px;
        padding: 15px 20px;
    }

    .flow-icon {
        font-size: 2em;
    }

    .flow-title {
        font-size: 1em;
    }

    .flow-arrow {
        transform: rotate(90deg);
        font-size: 1.5em;
        margin: 5px 0;
    }

    
    .data-linkage-points {
        gap: 20px;
        margin: 40px 0 50px 0;
    }

    .data-linkage-points .point-item {
        padding: 20px;
        max-width: 100%;
    }

    .point-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .point-title {
        font-size: 1.05em;
    }

    .point-description {
        font-size: 0.9em;
    }

    .multi-pc-cost-table-block .cost-table-title {
        font-size: 1.5em;
    }
    .multi-pc-cost-table-block .cost-table th,
    .multi-pc-cost-table-block .cost-table td {
        padding: 10px;
        font-size: 0.9em;
    }

    .data-linkage-notes {
        text-align: left;
        font-size: 0.9em;
        width: 90%;
    }

    .data-linkage-notes p {
        text-align: left;
    }


    .multi-pc-estimate-block {
        padding: 30px 20px;
    }
    .multi-pc-estimate-block .estimate-title {
        font-size: 1.8em;
    }
    .multi-pc-estimate-block .estimate-subtitle {
        font-size: 1em;
    }
    .multi-pc-estimate-block .form-instruction {
        font-size: 0.9em;
        padding: 8px 10px;
    }
    .multi-pc-estimate-block .input-row {
        flex-wrap: wrap; /* ボタンなどが折り返すように */
        justify-content: center;
    }
    .multi-pc-estimate-block .input-row label {
        width: 100%;
        text-align: center;
        margin-bottom: 5px;
    }
    .multi-pc-estimate-block .input-row input[type="number"] {
        width: 60px;
    }
    .multi-pc-estimate-block .input-row button {
        padding: 8px 15px;
        font-size: 0.9em;
    }
    .multi-pc-estimate-block .calculation-result-new {
        max-width: 100%;
        font-size: 0.9em;
    }
    .multi-pc-estimate-block .result-header .header-cell,
    .multi-pc-estimate-block .group-label,
    .multi-pc-estimate-block .label-cell,
    .multi-pc-estimate-block .value-cell {
        padding: 6px 8px;
    }
    .multi-pc-estimate-block .group-label {
        font-size: 0.95em;
    }
    .multi-pc-estimate-block .value-cell {
        font-size: 0.95em;
    }
}

 
@media (max-width: 1280px) {
    /* Hero Section */
    .hero-section .container {
        gap: 30px;
        padding: 0 20px;
    }

    .hero-content h1 {
        font-size: 38px;
    }

    .hero-content h2 {
        font-size: 22px;
    }

    /* Option Cards */
    .option-cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 0 15px;
    }

    .option-card {
        padding: 25px 20px;
    }

    /* Sales Problem Section */
    .sales-problems-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    /* Multi PC Section */
    .data-flow-diagram {
        gap: 20px;
    }

    .flow-box {
        min-width: 200px;
        padding: 25px 30px;
    }

    /* Feature Tabs */
    .order-customization-section .features-block .feature-tabs {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        max-width: 900px;
    }

    /* Flow Chart */
    .order-customization-section .flow-block .flowchart {
        flex-wrap: wrap;
        gap: 8px;
    }

    .order-customization-section .flow-block .flow-step {
        width: 120px;
        height: 160px;
        padding: 12px 8px;
    }

    .order-customization-section .flow-block .flow-arrow {
        font-size: 1.8em;
    }

    /* Introduction Section */
    .introduction-section .container {
        max-width: 95%;
        padding: 40px;
    }

    .introduction-section .introduction-content {
        margin-bottom: 60px;
    }

    /* Menu Display Area */
    .menu-display-area {
        width: 90%;
    }

    .left-menu {
        padding: 25px 40px;
    }

    .right-menu-container {
        padding: 25px;
    }

    /* Multi PC Estimate */
    .multi-pc-estimate-block .estimate-form-area {
        margin: 0 20px;
    }

    .multi-pc-estimate-block .calculation-result-new {
        max-width: 500px;
    }
}