.ai-page {
    padding: 60px 20px;
    background: #ffffff;
}

hr {
    display: none;
}

.ai-services,
.ai-case,
.ai-company {
    margin-top: 100px;
}

.ai-container {
    max-width: 1100px;
    margin: auto;
}

.ai-title {
    text-align: center;
    margin-bottom: 30px;
}

.ai-title h1::after {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    width: 60px;
    height: 3px;
    background: #ff0000;
    border-radius: 2px;
}

.ai-title h1 {
    position: relative;
    display: inline-block;
    padding-bottom: 12px;
}

.ai-title p {
    color: #666;
}

.ai-hero img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    border-radius: 12px;
}

.ai-lead {
    text-align: center;
    line-height: 1.8;
    margin-bottom: 30px;
    margin-top: 30px;
}

.ai-services h2 {
    margin: 30px 0;
}

.ai-service-card {
    background: #fff;
    border: 1px solid #eee;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 15px;
}

.service-head {
    display: flex;
    gap: 14px;
    align-items: center;
}

.service-head-icon {
    width: 30px;
    height: 30px;
    background: #FEF2F2;
    border-radius: 10px;
    padding: 10px;
    object-fit: contain;
    flex-shrink: 0;
    margin-top: 2px;
}

.service-head-body h3 {
    margin-bottom: 6px;
}

.service-head-body p {
    margin: 0;
    line-height: 1.6;
    color: #555;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
    color: #314158;
}

.tags span {
    border: 1px solid #E2E8F0;
    background: #F8FAFC;
    padding: 4px 10px;
    font-size: 12px;
    border-radius: 20px;
}
.section-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 30px 0;
}

.section-head img {
    width: 22px;
}

/* ===== 導入事例 ===== */

.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.case-box {
    background: #fff;
    border-radius: 14px;
    padding: 18px;
    border: 1px solid #e3e6ea;
    display: flex;
    flex-direction: column;
    box-shadow: 4px 6px 4px rgba(0, 0, 0, 0.06);
}

.case-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 16px;
}

.case-head h3 {
    font-size: 18px;
    color: #1a4fbf;
}

.case-head p {
    font-size: 13px;
    color: #666;
}

.case-body {
    display: flex;
    gap: 14px;
    flex: 1;
}

.case-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    border-radius: 10px;
    padding: 12px;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
}

.case-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 16px;
}

.case-card.red .case-card-head {
    background: linear-gradient(135deg, #fc2b2b, #FA5050);
}

.case-card.green .case-card-head {
    background: linear-gradient(135deg, #2cbd31, #52ff28);
}

.case-icon {
    width: 18px;
    height: 18px;
    object-fit: contain;
}

.case-card.green .icon {
    color: #2ecc40;
}

.case-card-head {
    font-weight: 700;
    padding: 8px 10px;
    border-radius: 8px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 10px;
}

.case-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.case-card li {
    position: relative;
    padding-left: 14px;
    margin-bottom: 10px;
    font-size: 13px;
    line-height: 1.6;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.case-card li:last-child {
    border-bottom: none;
}

.case-card.red li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: #ff4a4a;
    border-radius: 50%;
}

.case-card.green li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: #35d02f;
    border-radius: 50%;
}

/* ===== 会社概要 ===== */
.ai-company {
    margin-top: 60px;
}

.company-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;

    background: #fff;
    border-radius: 16px;
    padding: 30px 40px;
    border: 1px solid #e3e6ea;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
}

.company-info {
    width: 50%;
}

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

.company-info th {
    width: 160px;
    text-align: left;
    color: #6b7280;
    font-weight: 500;
    padding: 18px 0;
    border-bottom: 1px solid #e5e7eb;
}

.company-info td {
    padding: 18px 0;
    border-bottom: 1px solid #e5e7eb;
    font-weight: 500;
}

.company-info tr:last-child th,
.company-info tr:last-child td {
    border-bottom: none;
}

.company-logo {
    width: 50%;
    text-align: center;
}

.company-logo img {
    width: 80%;
    max-width: 400px;
    object-fit: contain;
}

/* =========================
スマホレスポンシブ
========================= */
@media (max-width:768px) {
    .ai-services,
    .ai-case,
    .ai-company {
        margin-top: 60px;
    }

    /* ===== HERO ===== */

    .ai-title h1 {
        font-size: 26px;
    }

    .ai-title p {
        font-size: 14px;
    }

    .ai-hero img {
        height: 220px;
        border-radius: 10px;
    }

    .ai-lead {
        font-size: 14px;
        margin: 20px 0;
    }

    /* ===== SERVICE ===== */

    .ai-services h2 {
        font-size: 20px;
    }

    .ai-service-card {
        padding: 16px;
    }

    .service-head-body h3 {
        font-size: 16px;
    }

    .service-head-body p {
        font-size: 13px;
    }

    .tags span {
        font-size: 11px;
    }

    /* ===== SECTION HEAD ===== */

    .section-head {
        margin: 20px 0;
    }

    .section-head img {
        width: 18px;
    }

    /* ===== CASE ===== */

    .case-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .case-box {
        padding: 14px;
    }

    .case-head h3 {
        font-size: 16px;
    }

    .case-head p {
        font-size: 12px;
    }

    .case-body {
        flex-direction: column;
        gap: 12px;
    }

    .case-card {
        padding: 10px;
    }

    .case-card-head {
        font-size: 13px;
    }

    .case-card li {
        font-size: 12px;
    }

    /* ===== COMPANY ===== */

    .company-box {
        flex-direction: column;
        padding: 20px;
        gap: 24px;
    }

    .company-info {
        width: 100%;
    }

    .company-info th {
        width: 110px;
        font-size: 13px;
        padding: 12px 0;
    }

    .company-info td {
        font-size: 13px;
        padding: 12px 0;
    }

    .company-logo {
        width: 100%;
    }

    .company-logo img {
        width: 60%;
    }

}