/* ===== style_okabe8.css ===== */

/* ===== 排水ノ陣 ===== */
.spec-layout-img.drain {
    padding: 0;
    width: 25%;
    max-width: 240px;
}

/* 注釈：右寄せ小文字 */
.drain-note-right {
    text-align: right;
    font-size: 10pt;
    margin-top: 8px;
    line-height: 1.6;
}

/* 下線タイトル */
.drain-heading {
    font-weight: bold;
    font-size: 11pt;
    border-bottom: 0.5px solid #777;
    padding: 0 0 2px 4px;
}
.drain-heading.compare {
    margin: 0 0 6px;
}
.drain-heading.steps {
    border-color: #333;
    margin: 16px 0 4px;
}
.drain-heading.sub {
    color: #003366;
    border-color: #003366;
    margin: 8px 0 4px;
}


/* ===== ソイルガード ===== */
/* 仕組み比較：2カラム横並び */
.drain-compare {
    display: flex;
    flex-direction: row;
    gap: 16px;
    margin: 16px 0 8px;
}
.drain-compare-item {
    flex: 1;
}
.drain-compare-item img {
    max-width: 100%;
    display: block;
    margin: 0 auto;
}

/* 性能照査：試験条件＋グラフ2枚 横並び */
.drain-test-layout {
    display: flex;
    flex-direction: row;
    gap: 16px;
    align-items: flex-end;
    margin: 8px 0 16px;
}
.drain-test-fig {
    flex-shrink: 0;
    width: 25%;
    text-align: center;
    margin: 0;
}
.drain-test-fig img {
    max-width: 100%;
    display: block;
    margin: 0 auto;
}
.drain-test-fig figcaption {
    font-size: 10pt;
    margin-top: 4px;
}

/* 試験条件テーブル */
.seinou-table {
    margin-bottom: 16px;
}
.seinou-table td {
    padding: 2px 4px;
    line-height: 1.6;
    vertical-align: top;
}
.seinou-table td:first-child {
    width: 40%;
    white-space: nowrap;
}

/* 論文リスト */
.ronbun-list {
    list-style: disc;
    margin: 8px 0 16px;
    padding: 0 0 0 2em;
    font-size: 10pt;
    line-height: 1.8;
}
.ronbun-list li {
    padding: 2px 0;
}
.ronbun-org {
    display: block;
    font-size: 10pt;
}

/* ===== レスポンシブ（〜780px） ===== */
@media screen and (max-width: 780px) {
    .spec-layout-img.drain {
        width: 100%;
    }
    .drain-compare {
        flex-direction: column;
        gap: 24px;
    }

    .drain-test-layout {
        flex-direction: column;
        align-items: center;
    }
    .drain-test-fig {
        width: 100%;
    }
    .drain-test-conditions {
        width: 100%;
    }
}