/**
 * AI Bridge LP Steps Block Styles
 */

.aibridge-lp-steps {
    padding: 100px 20px;
}

.aibridge-lp-steps-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* ヘッダー */
.aibridge-lp-steps-header {
    text-align: center;
    margin-bottom: 70px;
}

.aibridge-lp-steps-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 16px;
}

.aibridge-lp-steps-subtitle {
    font-size: clamp(16px, 2vw, 18px);
    color: #64748b;
    max-width: 500px;
    margin: 0 auto;
}

/* グリッド - 横並び */
.layout-horizontal .aibridge-lp-steps-grid {
    display: grid;
    gap: 30px;
    position: relative;
}

.layout-horizontal .aibridge-lp-steps-grid[data-count="3"] {
    grid-template-columns: repeat(3, 1fr);
}

.layout-horizontal .aibridge-lp-steps-grid[data-count="4"] {
    grid-template-columns: repeat(4, 1fr);
}

.layout-horizontal .aibridge-lp-steps-grid[data-count="5"] {
    grid-template-columns: repeat(5, 1fr);
}

/* 接続線 */
.layout-horizontal .aibridge-lp-steps-grid::before {
    content: '';
    position: absolute;
    top: 80px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #e2e8f0 5%, #e2e8f0 95%, transparent);
    z-index: 0;
}

/* カード */
.aibridge-lp-step-card {
    background: #fff;
    padding: 40px 25px 30px;
    border-radius: 20px;
    text-align: center;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    z-index: 1;
}

.aibridge-lp-step-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

/* ステップ番号 */
.aibridge-lp-step-number {
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-color, #4f46e5);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
}

/* アイコン */
.aibridge-lp-step-icon {
    font-size: 52px;
    margin: 15px 0 25px;
    line-height: 1;
}

/* タイトル */
.aibridge-lp-step-title {
    font-size: 18px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 14px;
}

/* 説明 */
.aibridge-lp-step-description {
    font-size: 14px;
    color: #64748b;
    line-height: 1.8;
    margin: 0;
}

/* 縦並びレイアウト */
.layout-vertical .aibridge-lp-steps-grid {
    display: flex;
    flex-direction: column;
    gap: 25px;
    max-width: 600px;
    margin: 0 auto;
}

.layout-vertical .aibridge-lp-step-card {
    display: flex;
    align-items: flex-start;
    gap: 25px;
    text-align: left;
    padding: 30px;
}

.layout-vertical .aibridge-lp-step-number {
    position: static;
    transform: none;
    flex-shrink: 0;
}

.layout-vertical .aibridge-lp-step-icon {
    font-size: 36px;
    margin: 0;
    flex-shrink: 0;
}

.layout-vertical .aibridge-lp-step-card > div:last-child {
    flex: 1;
}

/* タイムラインレイアウト */
.layout-timeline .aibridge-lp-steps-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    padding-left: 50px;
}

.layout-timeline .aibridge-lp-steps-grid::before {
    content: '';
    position: absolute;
    left: 19px;
    top: 20px;
    bottom: 20px;
    width: 3px;
    background: linear-gradient(180deg, var(--accent-color, #4f46e5), #e2e8f0);
    border-radius: 3px;
}

.layout-timeline .aibridge-lp-step-card {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    text-align: left;
    padding: 25px 30px;
    margin-left: 0;
    background: #fff;
    border-radius: 16px;
    margin-bottom: 20px;
}

.layout-timeline .aibridge-lp-step-number {
    position: absolute;
    left: 0;
    transform: none;
    width: 40px;
    height: 40px;
}

.layout-timeline .aibridge-lp-step-icon {
    font-size: 32px;
    margin: 0;
}

/* レスポンシブ */
@media (max-width: 1024px) {
    .layout-horizontal .aibridge-lp-steps-grid[data-count="4"],
    .layout-horizontal .aibridge-lp-steps-grid[data-count="5"] {
        grid-template-columns: repeat(2, 1fr);
    }

    .layout-horizontal .aibridge-lp-steps-grid::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .aibridge-lp-steps {
        padding: 60px 20px;
    }

    .layout-horizontal .aibridge-lp-steps-grid {
        grid-template-columns: 1fr !important;
        max-width: 400px;
        margin: 0 auto;
    }

    .layout-timeline .aibridge-lp-steps-grid {
        padding-left: 40px;
    }

    .layout-timeline .aibridge-lp-step-number {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
}

/* エディター */
.aibridge-lp-steps-editor .aibridge-lp-steps-grid {
    padding: 0 20px;
}