/* =====================================================
   CoreAX vs CoreAX-B 比較カード（2カラム対比 + 項目間区切り線）
   左: CoreAX（従来版）/ 右: CoreAX-B（改良版）
   各 feature の間に区切り線を入れ、読みやすさを確保
   ===================================================== */

.comparison-cards {
    padding: 64px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
    position: relative;
}

.comparison-cards__title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1e293b;
    text-align: center;
    margin-bottom: 12px;
    line-height: 1.4;
}

.comparison-cards__lead {
    text-align: center;
    color: #64748b;
    font-size: 0.95rem;
    margin-bottom: 16px;
    line-height: 1.7;
}

.comparison-cards__conclusion {
    max-width: 820px;
    margin: 0 auto 32px;
    padding: 16px 20px;
    background: #eff6ff;
    border-left: 4px solid #2563EB;
    border-radius: 8px;
    color: #1e3a5f;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.7;
}

/* ========================================
   2カラム対比カード
   ======================================== */
.comparison-cards__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
    align-items: stretch;
}

.comparison-card {
    border-radius: 20px;
    padding: 28px 28px;
    position: relative;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* 左カード（従来版）: ニュートラル */
.comparison-card--old {
    background: #ffffff;
    border: 1.5px solid #e2e8f0;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

/* 右カード（改良版）: ブランドカラー + glow */
.comparison-card--new {
    background: linear-gradient(135deg, #1e3a5f 0%, #2563EB 100%);
    box-shadow:
        0 20px 40px -12px rgba(37, 99, 235, 0.35),
        0 0 0 1px rgba(37, 99, 235, 0.2);
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.comparison-card--new::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(251, 191, 36, 0.12), transparent 70%);
    pointer-events: none;
}

.comparison-card--new:hover {
    transform: translateY(-6px);
    box-shadow:
        0 28px 56px -12px rgba(37, 99, 235, 0.45),
        0 0 0 1px rgba(37, 99, 235, 0.3);
}

/* NEW バッジ */
.comparison-card__badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #f97316;
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    padding: 6px 14px;
    border-radius: 100px;
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.4);
    z-index: 2;
}

/* ----- カードヘッダー ----- */
.comparison-card__header {
    padding-bottom: 18px;
    margin-bottom: 18px;
    border-bottom: 1px solid;
    position: relative;
    z-index: 1;
}

.comparison-card--old .comparison-card__header {
    border-bottom-color: #e2e8f0;
}

.comparison-card--new .comparison-card__header {
    border-bottom-color: rgba(255, 255, 255, 0.15);
}

.comparison-card__label {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 6px;
    display: block;
}

.comparison-card--old .comparison-card__label {
    color: #94a3b8;
}

.comparison-card--new .comparison-card__label {
    color: #fbbf24;
}

.comparison-card__name {
    font-size: 1.3rem;
    font-weight: 800;
    margin: 0;
    line-height: 1.3;
}

.comparison-card--old .comparison-card__name {
    color: #475569;
}

.comparison-card--new .comparison-card__name {
    color: #ffffff;
}

/* ----- 機能リスト（項目間に区切り線を追加） ----- */
.comparison-card__features {
    display: flex;
    flex-direction: column;
    gap: 0;  /* gapを使わず、各featureのborder-bottomで間隔を作る */
    position: relative;
    z-index: 1;
    flex: 1;
}

.comparison-card__feature {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 12px 0;
    border-bottom: 1px solid;
}

.comparison-card--old .comparison-card__feature {
    border-bottom-color: #e2e8f0;
}

.comparison-card--new .comparison-card__feature {
    border-bottom-color: rgba(255, 255, 255, 0.12);
}

/* 最後の feature は下線を消して、カード内の余白を統一 */
.comparison-card__feature:last-child {
    border-bottom: none;
}

/* 最初の feature は上余白を少なく */
.comparison-card__feature:first-child {
    padding-top: 0;
}

.comparison-card__feature-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.comparison-card--old .comparison-card__feature-icon {
    background: #f1f5f9;
    color: #94a3b8;
}

.comparison-card--new .comparison-card__feature-icon {
    background: rgba(251, 191, 36, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(251, 191, 36, 0.25);
}

/* 「両方OK」項目のアイコン（緑チェック） */
.comparison-card__feature--both .comparison-card__feature-icon {
    background: rgba(34, 197, 94, 0.12);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.25);
}

.comparison-card--new .comparison-card__feature--both .comparison-card__feature-icon {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    border-color: rgba(74, 222, 128, 0.3);
}

.comparison-card__feature-icon svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.comparison-card__feature-body {
    flex: 1;
    min-width: 0;
}

.comparison-card__feature-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 4px;
    display: block;
}

.comparison-card--old .comparison-card__feature-label {
    color: #94a3b8;
}

.comparison-card--new .comparison-card__feature-label {
    color: rgba(255, 255, 255, 0.7);
}

.comparison-card__feature-value {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.6;
    display: block;
}

.comparison-card--old .comparison-card__feature-value {
    color: #64748b;
}

.comparison-card--new .comparison-card__feature-value {
    color: #ffffff;
}

/* 大きな数字（右カード専用） */
.comparison-card__feature-value--big {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.85);
}

.comparison-card__feature-number {
    font-size: 2rem;
    font-weight: 900;
    color: #fbbf24;
    line-height: 1;
    display: inline-block;
    letter-spacing: -0.02em;
}

.comparison-card__feature-unit {
    font-size: 1rem;
    font-weight: 700;
    color: #fbbf24;
    margin-left: 2px;
}

.comparison-card__feature-suffix {
    display: block;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    margin-top: 4px;
    line-height: 1.5;
}

.comparison-card__feature-note {
    font-size: 0.68rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 500;
    margin-left: 4px;
    vertical-align: super;
}

.comparison-card--old .comparison-card__feature-note {
    color: #94a3b8;
}

/* 継続項目の「両方OK」バッジ */
.comparison-card__feature-ok-text {
    font-weight: 700;
    color: #16a34a;
}

.comparison-card--new .comparison-card__feature-ok-text {
    color: #4ade80;
}

/* ========================================
   脚注
   ======================================== */
.comparison-cards__footnote {
    max-width: 1000px;
    margin: 32px auto 0;
    padding: 0 8px;
    font-size: 0.78rem;
    color: #94a3b8;
    line-height: 1.8;
}

.comparison-cards__footnote p {
    margin: 2px 0;
}

/* ========================================
   CTA: 2ボタン並列（セカンダリ=CoreAX LP / プライマリ=資料DL）
   ======================================== */
.comparison-cards__cta {
    margin-top: 48px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.comparison-cards__cta-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.comparison-cards__cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 700;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    min-width: 260px;
}

/* プライマリ（資料DL：主動線） */
.comparison-cards__cta-btn--primary {
    background: #2563EB;
    color: #ffffff;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
    order: 2; /* PC: 右側配置 */
}

.comparison-cards__cta-btn--primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.35);
}

/* セカンダリ（CoreAX LP：補助導線） */
.comparison-cards__cta-btn--secondary {
    background: #ffffff;
    color: #475569;
    border: 1.5px solid #cbd5e1;
    order: 1; /* PC: 左側配置 */
}

.comparison-cards__cta-btn--secondary:hover {
    background: #f8fafc;
    border-color: #94a3b8;
    color: #1e293b;
    transform: translateY(-2px);
}

.comparison-cards__cta-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* 使い分け注釈 */
.comparison-cards__cta-note {
    display: block;
    text-align: center;
    font-size: 0.78rem;
    color: #64748b;
    margin-top: 14px;
    line-height: 1.7;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.comparison-cards__cta-note strong {
    color: #2563EB;
    font-weight: 700;
}

/* ========================================
   モバイル（768px以下）
   ======================================== */
@media (max-width: 768px) {
    .comparison-cards {
        padding: 70px 0;
    }

    .comparison-cards__title {
        font-size: 1.4rem;
    }

    /* カードを縦積み、右カード（改良版）を上に配置 */
    .comparison-cards__wrapper {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .comparison-card--new {
        order: -1; /* 改良版を上に */
    }

    .comparison-card {
        padding: 28px 22px;
    }

    .comparison-card__badge {
        top: 16px;
        right: 16px;
        padding: 5px 12px;
        font-size: 0.68rem;
    }

    .comparison-card__name {
        font-size: 1.15rem;
    }

    .comparison-card__feature {
        padding: 14px 0;
    }

    .comparison-card__feature-icon {
        width: 36px;
        height: 36px;
    }

    .comparison-card__feature-icon svg {
        width: 18px;
        height: 18px;
    }

    /* モバイルでは数字をやや抑制 */
    .comparison-card__feature-number {
        font-size: 1.5rem;
    }

    .comparison-card__feature-unit {
        font-size: 0.88rem;
    }

    /* CTAボタン: モバイルは縦積み、主動線を上に */
    .comparison-cards__cta-group {
        flex-direction: column;
        align-items: stretch;
    }

    .comparison-cards__cta-btn {
        width: 100%;
        min-width: auto;
        padding: 14px 24px;
    }

    .comparison-cards__cta-btn--primary {
        order: 1;
    }

    .comparison-cards__cta-btn--secondary {
        order: 2;
    }
}