/**
 * Expertise Numbers Styles
 * v8.0 - Misconception Sectionに専門性の数値を追加
 */

/* ===========================
   1. Expertise Numbers Container
   =========================== */

.expertise-numbers {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 3px solid #0ea5e9;
    border-radius: 15px;
    padding: 30px;
    margin: 25px 0;
    box-shadow: 0 8px 24px rgba(14, 165, 233, 0.15);
}

.expertise-numbers h5 {
    color: #075985;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.expertise-numbers h5 i {
    color: #0ea5e9;
    font-size: 22px;
}

/* ===========================
   2. Numbers Grid
   =========================== */

.numbers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.number-item {
    background: white;
    border-radius: 12px;
    padding: 25px 15px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border: 2px solid #bae6fd;
    transition: all 0.3s ease;
}

.number-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(14, 165, 233, 0.2);
    border-color: #0ea5e9;
}

/* ===========================
   3. Number Value
   =========================== */

.number-value {
    font-size: 48px;
    font-weight: 900;
    color: #0369a1;
    line-height: 1;
    margin-bottom: 10px;
    font-family: 'Arial', sans-serif;
}

.number-unit {
    font-size: 24px;
    font-weight: 700;
    color: #0284c7;
    margin-left: 2px;
}

/* ===========================
   4. Number Label
   =========================== */

.number-label {
    font-size: 14px;
    font-weight: 600;
    color: #075985;
    line-height: 1.5;
}

.number-note {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: #0284c7;
    margin-top: 4px;
}

/* ===========================
   5. Responsive Design
   =========================== */

/* タブレット（768px以下） */
@media (max-width: 768px) {
    .expertise-numbers {
        padding: 25px 20px;
        margin: 20px 0;
    }
    
    .expertise-numbers h5 {
        font-size: 18px;
        margin-bottom: 20px;
    }
    
    .numbers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .number-item {
        padding: 20px 12px;
    }
    
    .number-value {
        font-size: 40px;
    }
    
    .number-unit {
        font-size: 20px;
    }
    
    .number-label {
        font-size: 13px;
    }
    
    .number-note {
        font-size: 11px;
    }
}

/* モバイル（576px以下） */
@media (max-width: 576px) {
    .expertise-numbers {
        padding: 20px 15px;
        margin: 18px 0;
        border-width: 2px;
    }
    
    .expertise-numbers h5 {
        font-size: 17px;
        margin-bottom: 18px;
        gap: 8px;
    }
    
    .expertise-numbers h5 i {
        font-size: 20px;
    }
    
    .numbers-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .number-item {
        padding: 18px 15px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        text-align: left;
    }
    
    .number-value {
        font-size: 36px;
        margin-bottom: 0;
        flex-shrink: 0;
        width: 120px;
    }
    
    .number-unit {
        font-size: 18px;
    }
    
    .number-label {
        font-size: 13px;
        flex: 1;
        text-align: right;
    }
    
    .number-note {
        font-size: 11px;
        margin-top: 2px;
    }
}

/* 極小モバイル（400px以下） */
@media (max-width: 400px) {
    .number-value {
        font-size: 32px;
        width: 100px;
    }
    
    .number-unit {
        font-size: 16px;
    }
    
    .number-label {
        font-size: 12px;
    }
}

/* ===========================
   6. Accessibility
   =========================== */

@media (prefers-reduced-motion: reduce) {
    .number-item {
        transition: none;
    }
    
    .number-item:hover {
        transform: none;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .expertise-numbers {
        border-width: 4px;
    }
    
    .number-item {
        border-width: 3px;
    }
    
    .number-value {
        font-weight: 900;
        text-decoration: underline;
    }
}

/* Focus Styles for Accessibility */
.number-item:focus-within {
    outline: 3px solid #0ea5e9;
    outline-offset: 2px;
}