.concept-content {
    --cp-blue: #489add;
    --cp-cyan: #48ddd6;
    width: 100%;
    min-width: 0;
    color: #30343b;
    font: inherit;
    container-type: inline-size;
}

    .concept-content,
    .concept-content * {
        box-sizing: border-box;
    }

        .concept-content .cp-shell {
            display: grid;
            grid-template-columns: minmax(0, 1fr);
            align-items: start;
            gap: 24px;
            max-width: 1280px;
            margin: 28px auto 48px;
        }

        .concept-content .cp-card {
            min-width: 0;
            border: 1px solid #e1e4e8;
            border-radius: 14px;
            background: #fff;
        }

        .concept-content .cp-profile {
            border-top: 2px solid var(--cp-cyan);
        }

        .concept-content .cp-profile-body {
            padding: 24px;
        }

        .concept-content .cp-profile h1 {
            margin: 0;
            font-size: 1.65rem;
            line-height: 1.25;
            overflow-wrap: anywhere;
        }

        .concept-content .cp-profile-content {
            margin-top: 18px;
        }

        .concept-content .cp-text {
            white-space: pre-wrap;
            overflow-wrap: anywhere;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .concept-content .cp-columns {
            display: grid;
            grid-template-columns: minmax(0, 1fr);
            align-items: start;
            gap: 24px;
            min-width: 0;
        }

        .concept-content .cp-reading {
            display: grid;
            gap: 18px;
            min-width: 0;
        }

        .concept-content .cp-message {
            padding: 26px;
        }

            .concept-content .cp-message h2 {
                margin: 0 0 14px;
                font-size: 1.1rem;
                line-height: 1.4;
                overflow-wrap: anywhere;
            }

        .concept-content .cp-actions {
            display: flex;
            justify-content: flex-end;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px;
            margin-top: 8px;
            padding-top: 4px;
            border-top: 1px solid #eee;
        }

        .concept-content .cp-action {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 28px;
            width: 28px;
            height: 28px;
            padding: 4px;
            border-radius: 4px;
            text-decoration: none;
        }

            .concept-content .cp-action:hover {
                background: #e9f4fc;
            }

            .concept-content .cp-action svg {
                width: 16px;
                height: 16px;
                fill: none;
                stroke: var(--cp-blue);
                stroke-width: 2;
            }

        .concept-content .cp-related {
            padding: 22px;
        }

            .concept-content .cp-related h2 {
                margin: 0 0 12px;
                color: #484848;
                font-size: 0.9rem;
            }

        .concept-content .cp-related-list {
            display: grid;
            gap: 8px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .concept-content .cp-related-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 10px 12px;
            border: 1px solid #ddd;
            border-radius: 10px;
            color: #285a80;
            text-decoration: none;
        }

            .concept-content .cp-related-link:hover {
                border-color: var(--cp-blue);
                background: #f3f9fd;
            }

        .concept-content .cp-related-name {
            min-width: 0;
            font-size: 0.9rem;
            font-weight: 600;
            overflow-wrap: anywhere;
        }

        .concept-content .cp-detail-content {
            min-width: 0;
            margin-left: 48px;
        }

        .concept-content .cp-detail-return {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            max-width: 100%;
            min-height: 32px;
            margin-bottom: 14px;
            color: #484848;
            font-size: 0.8rem;
            text-decoration: none;
        }

            .concept-content .cp-detail-return span:last-child {
                min-width: 0;
                overflow-wrap: anywhere;
            }

            .concept-content .cp-detail-return:hover {
                text-decoration: underline;
            }

        .concept-content .cp-detail {
            padding: 2px 0 2px 18px;
            border: 0;
            border-left: 2px solid var(--cp-cyan);
            border-radius: 0;
            background: transparent;
            box-shadow: none;
        }

            .concept-content .cp-detail h2 {
                margin: 0 0 12px;
                color: #484848;
                font-size: 1rem;
                font-weight: 600;
                line-height: 1.4;
                overflow-wrap: anywhere;
            }

        .concept-content .cp-detail-bar {
            display: block;
            width: 100%;
            height: 1px;
            min-height: 1px;
            margin: 18px 0 8px;
            padding: 0;
            border: 0;
            background: #d4d4d4;
        }

        .concept-content .cp-search-state {
            max-width: 640px;
            margin: 28px auto 48px;
            padding: 28px;
        }

            .concept-content .cp-search-state h1 {
                margin: 0;
                font-size: 1.6rem;
            }

            .concept-content .cp-search-state p {
                margin: 16px 0 0;
                overflow-wrap: anywhere;
            }

@container (min-width: 760px) {
    .concept-content .cp-shell {
        grid-template-columns: 280px minmax(0, 1fr);
    }

    .concept-content .cp-detail-content {
        margin-left: 144px;
    }

    .concept-content .cp-detail {
        padding-left: 24px;
    }
}

@container (min-width: 1100px) {
    .concept-content .cp-columns.cp-has-related {
        grid-template-columns: minmax(0, 1fr) 220px;
    }
}