.linkBtn {
    list-style: none;
    padding: 0;
    margin-top: 40px;
}
.linkBtn .w80 {
    width: 80%;
    margin: 0 auto;
}
/* ========================================
   背景装飾 円
======================================== */

.nextstage_container {
    position: relative;
    z-index: 0;
}

/* 円を配置する各セクション */
.flow-section {
    position: relative;
}

/* 円共通 */
.flow-circle {
    position: absolute;
    display: block;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: #edf8f8;
    z-index: -1;
    pointer-events: none;
}


/* 01
   「産業ガスビジネスは～」付近
*/
.flow-section--01 .flow-circle {
    left: 260px;
    bottom: -260px;
}


/* 02
   「ガスの普遍性と拡張性」付近
*/
.flow-section--02 .flow-circle {
    top: -150px;
    right: 220px;
}


/* 03
   「中期経営計画～」付近
*/
.flow-section--03 .flow-circle {
    top: 280px;
    left: 300px;
}


/* 04
   「成長事業の創造と開拓」付近
*/
.flow-section--04 .flow-circle {
    top: 190px;
    right: 90px;
}


/* 05
   「経営基盤の革新」付近
*/
.flow-section--05 .flow-circle {
    top: -60px;
    left: 180px;
}


/* 06
   「原点を未来の起点に」付近
*/
.flow-section--06 .flow-circle {
    top: -140px;
    right: 50px;
}

/* ========================================
   SP（共通CSSと同じ768pxで切り替え）
======================================== */
@media screen and (max-width: 768px) {
    .flow-circle {
        width: 58vw;
        height: 58vw;
        max-width: 280px;
        max-height: 280px;
    }

    .flow-section--01 .flow-circle {
        top: auto;
        right: auto;
        bottom: -20vw;
        left: -2vw;
    }

    .flow-section--02 .flow-circle {
        top: -50%;
        right: 5vw;
        bottom: auto;
        left: auto;
    }

    .flow-section--03 .flow-circle {
        top: 88%;
        right: auto;
        bottom: auto;
        left: 17vw;
    }

    .flow-section--04 .flow-circle {
        top: 21%;
        right: 5vw;
        bottom: auto;
        left: auto;
    }

    .flow-section--05 .flow-circle {
        top: -20%;
        right: auto;
        bottom: auto;
        left: 6vw;
    }

    .flow-section--06 .flow-circle {
        top: -28%;
        right: 1vw;
        bottom: auto;
        left: auto;
    }
}