/* ========================================
   システム開発ページ専用CSS
   無印良品風のプロフェッショナルで落ち着いたデザイン
   ======================================== */

/* ========================================
   カラーパレット（無印良品風）
   ======================================== */
:root {
    --system-color-primary: #333333;
    --system-color-secondary: #666666;
    --system-color-accent: #B8860B; /* ダークゴールド */
    --system-color-bg-light: #FAFAFA;
    --system-color-bg-white: #FFFFFF;
    --system-color-border: #E0E0E0;
    --system-color-text: #333333;
    --system-color-text-light: #666666;
    --system-color-success: #4CAF50;
    --system-color-warning: #FF9800;
}

/* ========================================
   MVセクション
   ======================================== */
.system-mv {
    background: linear-gradient(135deg, #F5F5F5 0%, #FFFFFF 100%);
    padding: 120px 0 80px;
    position: relative;
}

.system-mv::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(90deg, transparent 0%, transparent calc(100% - 1px), rgba(0,0,0,0.02) calc(100% - 1px)),
        linear-gradient(0deg, transparent 0%, transparent calc(100% - 1px), rgba(0,0,0,0.02) calc(100% - 1px));
    background-size: 40px 40px;
    opacity: 0.3;
    pointer-events: none;
}

.system-mv__content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.system-mv__label {
    display: inline-block;
    background: var(--system-color-primary);
    color: #FFFFFF;
    padding: 8px 24px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.1em;
    margin-bottom: 32px;
    border-radius: 2px;
}

.system-mv__title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    line-height: 1.5;
    color: var(--system-color-primary);
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}

.system-mv__subtitle {
    font-size: clamp(18px, 3vw, 24px);
    font-weight: 400;
    line-height: 1.8;
    color: var(--system-color-secondary);
    margin-bottom: 48px;
}

.system-mv__cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   問題提起セクション
   ======================================== */
.system-problems {
    padding: 80px 0;
    background: var(--system-color-bg-white);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.problem-card {
    background: var(--system-color-bg-light);
    border: 1px solid var(--system-color-border);
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.problem-card__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--system-color-primary);
    color: #FFFFFF;
    font-size: 28px;
    border-radius: 50%;
}

.problem-card__text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--system-color-text);
}

.problems-message {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 32px;
    background: var(--system-color-bg-light);
    border-left: 4px solid var(--system-color-accent);
}

.problems-message p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--system-color-text);
    margin-bottom: 8px;
}

.problems-message p:last-child {
    margin-bottom: 0;
}

.problems-message strong {
    color: var(--system-color-accent);
    font-weight: 600;
}

/* ========================================
   8つのIT処方箋セクション
   ======================================== */
.system-solutions {
    padding: 80px 0;
    background: var(--system-color-bg-light);
}

.solution-item {
    background: var(--system-color-bg-white);
    border: 1px solid var(--system-color-border);
    margin-bottom: 32px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.solution-item:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.solution-item:last-child {
    margin-bottom: 0;
}

.solution-item__header {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 32px;
    background: #F8F8F8;
    color: var(--system-color-primary);
    border-left: 6px solid var(--system-color-accent);
}

.solution-item__number {
    font-size: 48px;
    font-weight: 700;
    line-height: 1;
    opacity: 0.2;
    min-width: 80px;
    color: var(--system-color-accent);
}

.solution-item__title {
    font-size: clamp(20px, 3vw, 26px);
    font-weight: 700;
    line-height: 1.6;
    color: var(--system-color-primary);
}

.solution-item__content {
    padding: 32px;
}

.solution-item__insight,
.solution-item__killer,
.solution-item__actions {
    margin-bottom: 32px;
}

.solution-item__insight:last-child,
.solution-item__killer:last-child,
.solution-item__actions:last-child {
    margin-bottom: 0;
}

.solution-item__label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--system-color-secondary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.solution-item__label.killer {
    color: var(--system-color-accent);
}

.solution-item__insight p,
.solution-item__killer p:not(.solution-item__killer-text) {
    font-size: 16px;
    line-height: 1.8;
    color: var(--system-color-text);
}

.solution-item__killer-text {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.8;
    color: var(--system-color-accent);
    padding: 16px;
    background: rgba(184, 134, 11, 0.05);
    border-left: 4px solid var(--system-color-accent);
}

.solution-item__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.solution-item__list li {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--system-color-bg-light);
    margin-bottom: 12px;
    border-left: 3px solid var(--system-color-accent);
    transition: all 0.3s ease;
}

.solution-item__list li:hover {
    background: rgba(184, 134, 11, 0.05);
    transform: translateX(4px);
}

.solution-item__list li:last-child {
    margin-bottom: 0;
}

.solution-item__list li i {
    color: var(--system-color-accent);
    font-size: 20px;
    margin-top: 2px;
    flex-shrink: 0;
}

.solution-item__list li strong {
    color: var(--system-color-primary);
    font-weight: 600;
}

.solution-item__list li div {
    flex: 1;
    font-size: 15px;
    line-height: 1.8;
    color: var(--system-color-text);
}

/* ========================================
   料金プランセクション
   ======================================== */
.system-packages {
    padding: 80px 0;
    background: var(--system-color-bg-white);
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.package-card {
    background: var(--system-color-bg-light);
    border: 2px solid var(--system-color-border);
    padding: 40px 32px;
    position: relative;
    transition: all 0.3s ease;
}

.package-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.package-card--recommended {
    border-color: var(--system-color-accent);
    background: #FFFFFF;
}

.package-card__badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--system-color-accent);
    color: #FFFFFF;
    padding: 6px 16px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.package-card__header {
    text-align: center;
    margin-bottom: 24px;
}

.package-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--system-color-primary);
    color: #FFFFFF;
    font-size: 36px;
    border-radius: 50%;
}

.package-card--recommended .package-card__icon {
    background: var(--system-color-accent);
}

.package-card__name {
    font-size: 24px;
    font-weight: 600;
    color: var(--system-color-primary);
}

.package-card__price {
    text-align: center;
    margin-bottom: 8px;
}

.package-card__amount {
    font-size: 48px;
    font-weight: 700;
    color: var(--system-color-accent);
    line-height: 1;
}

.package-card__unit {
    font-size: 24px;
    font-weight: 400;
    color: var(--system-color-secondary);
    margin-left: 4px;
}

.package-card__period {
    text-align: center;
    font-size: 14px;
    color: var(--system-color-secondary);
    margin-bottom: 24px;
}

.package-card__features,
.package-card__roi {
    margin-bottom: 24px;
}

.package-card__label {
    font-size: 14px;
    font-weight: 600;
    color: var(--system-color-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.package-card__features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.package-card__features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: 15px;
    color: var(--system-color-text);
}

.package-card__features li i {
    color: var(--system-color-success);
    font-size: 16px;
}

.package-card__roi-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--system-color-text);
    background: rgba(184, 134, 11, 0.05);
    padding: 16px;
    border-left: 3px solid var(--system-color-accent);
}

.package-card__roi-text i {
    color: var(--system-color-accent);
    margin-right: 8px;
}

.package-card__roi-text strong {
    color: var(--system-color-accent);
    font-weight: 700;
}

.package-card__roi-note {
    font-size: 13px;
    color: var(--system-color-secondary);
}

.package-card__insight {
    margin-top: 12px;
    padding: 12px 16px;
    background: linear-gradient(135deg, #FFF9E6 0%, #FFFBF0 100%);
    border-left: 3px solid var(--system-color-accent);
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    color: var(--system-color-primary);
    line-height: 1.6;
}

.packages-note {
    text-align: center;
    font-size: 15px;
    color: var(--system-color-secondary);
    padding: 24px;
    background: var(--system-color-bg-light);
    border-left: 4px solid var(--system-color-accent);
}

.packages-note i {
    color: var(--system-color-accent);
    margin-right: 8px;
}

/* ========================================
   導入までのロードマップセクション
   ======================================== */
.system-roadmap {
    padding: 80px 0;
    background: var(--system-color-bg-light);
}

.roadmap-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 60px;
    bottom: 60px;
    width: 2px;
    background: var(--system-color-border);
}

.roadmap-step {
    display: flex;
    gap: 32px;
    margin-bottom: 48px;
    position: relative;
}

.roadmap-step:last-child {
    margin-bottom: 0;
}

.roadmap-step__number {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--system-color-primary);
    color: #FFFFFF;
    font-size: 32px;
    font-weight: 700;
    border-radius: 50%;
    position: relative;
    z-index: 1;
}

.roadmap-step__content {
    flex: 1;
    background: var(--system-color-bg-white);
    padding: 24px;
    border: 1px solid var(--system-color-border);
}

.roadmap-step__title {
    font-size: 20px;
    font-weight: 600;
    color: var(--system-color-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.roadmap-step__title i {
    color: var(--system-color-accent);
}

.roadmap-step__text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--system-color-text);
}

/* ========================================
   3つの約束セクション
   ======================================== */
.system-promises {
    padding: 80px 0;
    background: var(--system-color-bg-white);
}

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

.promise-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--system-color-bg-light);
    border: 1px solid var(--system-color-border);
    transition: all 0.3s ease;
}

.promise-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.promise-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--system-color-accent);
    color: #FFFFFF;
    font-size: 36px;
    border-radius: 50%;
}

.promise-card__title {
    font-size: 20px;
    font-weight: 600;
    color: var(--system-color-primary);
    margin-bottom: 16px;
}

.promise-card__text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--system-color-text);
}

/* ========================================
   比較表セクション
   ======================================== */
.system-comparison {
    padding: 80px 0;
    background: var(--system-color-bg-light);
}

.comparison-table-wrapper {
    overflow-x: auto;
    background: var(--system-color-bg-white);
    border: 1px solid var(--system-color-border);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table__header {
    background: var(--system-color-primary);
    color: #FFFFFF;
    padding: 24px;
    text-align: center;
    font-size: 18px;
    font-weight: 600;
}

.comparison-table__header--ours {
    background: var(--system-color-accent);
}

.comparison-table__header i {
    margin-right: 8px;
}

.comparison-table__cell {
    padding: 24px;
    border-bottom: 1px solid var(--system-color-border);
    font-size: 15px;
    line-height: 1.8;
    vertical-align: middle;
}

.comparison-table__cell i {
    margin-right: 12px;
    font-size: 18px;
}

.comparison-table__cell .fa-times-circle {
    color: #F44336;
}

.comparison-table__cell .fa-check-circle {
    color: var(--system-color-success);
}

.comparison-table__cell--ours {
    background: rgba(184, 134, 11, 0.03);
    font-weight: 500;
}

/* ========================================
   CTAセクション
   ======================================== */
.system-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #F8F8F8 0%, #FFFFFF 100%);
    color: var(--system-color-primary);
    position: relative;
    overflow: hidden;
    border-top: 1px solid var(--system-color-border);
    border-bottom: 1px solid var(--system-color-border);
}

.system-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(90deg, transparent 0%, transparent calc(100% - 1px), rgba(0,0,0,0.02) calc(100% - 1px)),
        linear-gradient(0deg, transparent 0%, transparent calc(100% - 1px), rgba(0,0,0,0.02) calc(100% - 1px));
    background-size: 40px 40px;
    opacity: 0.3;
    pointer-events: none;
}

.system-cta__content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.system-cta__icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--system-color-accent);
    color: #FFFFFF;
    border: 2px solid var(--system-color-accent);
    border-radius: 50%;
    font-size: 48px;
}

.system-cta__title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    margin-bottom: 24px;
}

.system-cta__text {
    font-size: clamp(16px, 2.5vw, 20px);
    line-height: 1.8;
    margin-bottom: 32px;
    opacity: 0.95;
}

.system-cta__limit {
    display: inline-block;
    background: var(--system-color-accent);
    color: #FFFFFF;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 40px;
    border-radius: 2px;
}

.system-cta__limit i {
    margin-right: 8px;
}

.system-cta__buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   セクションタイトル
   ======================================== */
.section-title {
    text-align: center;
    margin-bottom: 64px;
}

.section-title__main {
    display: block;
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 700;
    color: var(--system-color-primary);
    margin-bottom: 16px;
    line-height: 1.4;
}

.section-title__sub {
    display: block;
    font-size: clamp(14px, 2vw, 16px);
    color: var(--system-color-secondary);
    line-height: 1.8;
}

/* ========================================
   ボタン
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn--large {
    padding: 20px 40px;
    font-size: 18px;
}

.btn--block {
    width: 100%;
}

.btn-primary {
    background: var(--system-color-accent);
    color: #FFFFFF;
    border-color: var(--system-color-accent);
}

.btn-primary:hover {
    background: #9A6F09;
    border-color: #9A6F09;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(184, 134, 11, 0.3);
}

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

.btn-outline:hover {
    background: var(--system-color-primary);
    color: #FFFFFF;
    transform: translateY(-2px);
}

.system-cta .btn-outline {
    color: var(--system-color-primary);
    border-color: var(--system-color-primary);
    border-width: 2px;
}

.system-cta .btn-outline:hover {
    background: var(--system-color-primary);
    color: #FFFFFF;
}

/* ========================================
   レスポンシブ対応
   ======================================== */
@media (max-width: 768px) {
    .system-mv {
        padding: 80px 0 60px;
    }

    .system-mv__label {
        font-size: 12px;
        padding: 6px 16px;
        margin-bottom: 24px;
    }

    .system-mv__cta {
        flex-direction: column;
    }

    .system-mv__cta .btn {
        width: 100%;
    }

    .system-problems,
    .system-solutions,
    .system-packages,
    .system-roadmap,
    .system-promises,
    .system-comparison,
    .system-cta {
        padding: 60px 0;
    }

    .section-title {
        margin-bottom: 40px;
    }

    .problems-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .problem-card {
        padding: 24px 16px;
    }

    .problem-card__icon {
        width: 56px;
        height: 56px;
        font-size: 24px;
        margin-bottom: 16px;
    }

    .problems-message {
        padding: 24px 16px;
    }

    .solution-item {
        margin-bottom: 24px;
    }

    .solution-item__header {
        flex-direction: column;
        gap: 16px;
        padding: 24px 16px;
        text-align: center;
    }

    .solution-item__number {
        font-size: 36px;
        min-width: auto;
    }

    .solution-item__content {
        padding: 24px 16px;
    }

    .solution-item__killer-text {
        font-size: 16px;
    }

    .solution-item__list li {
        flex-direction: column;
        gap: 8px;
    }

    .packages-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .package-card {
        padding: 32px 24px;
    }

    .package-card__amount {
        font-size: 40px;
    }

    .roadmap-timeline::before {
        left: 30px;
    }

    .roadmap-step {
        gap: 16px;
    }

    .roadmap-step__number {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }

    .roadmap-step__content {
        padding: 16px;
    }

    .roadmap-step__title {
        font-size: 18px;
    }

    .promises-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .promise-card {
        padding: 32px 16px;
    }

    .promise-card__icon {
        width: 64px;
        height: 64px;
        font-size: 28px;
    }

    .comparison-table__header,
    .comparison-table__cell {
        padding: 16px;
        font-size: 14px;
    }

    .system-cta__icon {
        width: 80px;
        height: 80px;
        font-size: 36px;
        margin-bottom: 24px;
    }

    .system-cta__buttons {
        flex-direction: column;
    }

    .system-cta__buttons .btn {
        width: 100%;
    }
}

/* ========================================
   パッケージ比較表
   ======================================== */
.package-comparison {
    padding: 80px 0;
    background: #FFFFFF;
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin: 48px 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: #FFFFFF;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    overflow: hidden;
}

.comparison-table__header {
    background: var(--system-color-primary);
    color: #FFFFFF;
    padding: 20px 16px;
    font-size: 16px;
    font-weight: 700;
    text-align: center;
    border-bottom: 3px solid var(--system-color-accent);
}

.comparison-table__header--highlight {
    background: var(--system-color-accent);
    color: #FFFFFF;
}

.comparison-table__label {
    background: #F8F8F8;
    padding: 20px 16px;
    font-weight: 700;
    color: var(--system-color-primary);
    border-right: 1px solid var(--system-color-border);
    white-space: nowrap;
}

.comparison-table__cell {
    padding: 20px 16px;
    text-align: center;
    border-bottom: 1px solid var(--system-color-border);
    line-height: 1.8;
    color: var(--system-color-text);
}

.comparison-table__cell--highlight {
    background: #FFFBF0;
}

.comparison-table tbody tr:last-child .comparison-table__cell {
    border-bottom: none;
}

.package-comparison__cta {
    text-align: center;
    margin-top: 48px;
    padding: 32px;
    background: linear-gradient(135deg, #F8F8F8 0%, #FFFFFF 100%);
    border-radius: 8px;
}

.package-comparison__cta p {
    font-size: 16px;
    margin-bottom: 24px;
    color: var(--system-color-text);
}

/* レスポンシブ */
@media (max-width: 768px) {
    .comparison-table {
        font-size: 14px;
    }

    .comparison-table__header,
    .comparison-table__label,
    .comparison-table__cell {
        padding: 12px 8px;
    }
}

/* ========================================
   印刷用スタイル
   ======================================== */
@media print {
    .system-mv,
    .system-cta {
        background: #FFFFFF !important;
        color: #000000 !important;
    }

    .btn {
        border: 1px solid #000000 !important;
    }
}