/* ---BankPay取引規定スタイル--- */
body {
    counter-reset: cnt1;
}

/* lv1：第1章 */
.l-bpkitei h2 {
    margin-top: 3em;
    padding-left: 2em;
    text-indent: -2em;
}

.l-bpkitei h2:first-of-type {
    counter-reset: cnt2;
}

.l-bpkitei h2::before {
    counter-increment: cnt1;
    content: "第"counter(cnt1) "章 ";
}

/* lv2：1.*/
.l-bpkitei h3 {
    counter-reset: cnt3;
    margin-top: 2em;
    padding-top: 0.2em;
    padding-left: 2em;
    font-size: 1.5em;
    font-weight: bold;
    text-indent: -2em;
}

@media screen and (max-width : 767px) {
    .l-bpkitei h3 {
        font-size: 1em;
    }
}

.l-bpkitei h3::before {
    counter-increment: cnt2;
    content: counter(cnt2) ". ";
}

/* lv2：1の2. （secondaryクラスはインクリメントしない） */
.l-bpkitei h3.secondary::before {
    counter-increment: none;
    content: counter(cnt2) "の2. ";
}

/* lv3：(1) */
.l-bpkitei h3+ol {
    list-style-type: none;
    margin-left: 2em;
    line-height: 2;
}

.l-bpkitei h3+ol>li {
    counter-reset: cnt4;
    margin-top: 1em;
    padding-left: 2rem;
    text-indent: -2.4rem;
}

.l-bpkitei h3+ol>li::before {
    counter-increment: cnt3;
    content: "("counter(cnt3) ") ";
}

/* lv3：項目が１つの場合は項番を付けない */
.l-bpkitei h3+ol>li:only-child {
    counter-reset: none;
    padding-left: 0;
    text-indent: 0;
}

.l-bpkitei h3+ol>li:only-child:before {
    counter-increment: none;
    content: "";
}

/* lv4：丸数字 */
.l-bpkitei h3+ol>ol {
    margin-top: 1em;
    margin-left: 1.5em;
    list-style-type: none;
}

.l-bpkitei h3+ol>ol>li {
    position: relative;
    padding-left: 2em;
    text-indent: unset;
}

.l-bpkitei h3+ol>ol>li::before {
    counter-increment: cnt4;
    content: counter(cnt4);
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 1.4em;
    height: 1.4em;
    margin-top: 0.5em;
    padding-top: 0.2em;
    padding-right: 0.1em;
    border: 1px solid black;
    border-radius: 50%;
    box-sizing: border-box;
    font-size: 85%;
    line-height: 1;
    letter-spacing: -0.1em;
}

/* lv5：カタカナ */
.l-bpkitei h3+ol>ol>ol {
    list-style-type: katakana;
}

.l-bpkitei h3+ol>ol>ol>li {
    margin-left: 4em;
    list-style: inherit;
}