/* --- 共通リセット & スタイル --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #f9f9f9;
}
a {
    text-decoration: none;
    color: inherit;
}

/* --- 1. ヘッダー & ふわっと表示されるメニュー --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #ff4b72;
}

.menu_nav_ul {
    display: flex;
    align-items: center;
    margin-left: auto;
    margin-right: 10px;
    gap:10px;
}

.menu_nav_ul li {
    display: flex;
    justify-content: center;
    align-items: stretch;
}

.c-inext_nav_ul li a {
    display: flex;
    justify-content: center;
    align-items: center;
}

.menu_nav_add {
    border-radius: 50px;
    padding: 5px 15px !important;
    background: #00BDD2;
    color: #FFF;
    border: 1px solid #00BDD2;
}

.menu_nav_add:hover {
    background: #00BDD2;
    color: #FFF;
    border: 1px solid #00BDD2;
}

.menu_nav_login {
    border-radius: 50px;
    padding: 5px 15px !important;
    background: #EF8178;
    color: #FFFFFF;
    border: 1px solid #EF8178;
}

.menu_nav_login:hover {
    background: #EF8178;
    color: #FFF;
}

.menu-btn {
    background: none;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    padding: 14px 7px;
    background-color: #000;
    color: #fff;
    border-radius: 44px;
    transition: opacity 0.3s;
}
.menu-btn:hover {
    opacity: 0.8;
}

/* ふわっと現れるドロップダウン/フルスクリーンメニュー */
.nav-menu {
    position: absolute;
    top: 70px;
    right: 5%;
    background: #fff;
    width: 250px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border-radius: 10px;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.4s ease;
}
.nav-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.nav-menu ul {
    list-style: none;
    padding: 20px;
}
.nav-menu li {
    margin-bottom: 5px;
}
.nav-menu li:last-child {
    margin-bottom: 0;
}
.nav-menu a {
    font-size: 1.4rem;
    color: #333;
    transition: color 0.2s;
    padding: 10px;
    display:block;
}
.nav-menu a:hover {
    color: #ff4b72;
    background: #fff1f6;
    display:block;
    padding: 10px;
}

/* --- 2. トップ部分（背景と手前のスマホ・フォームが独立） --- */
.hero {
    position: relative;
    min-height: 600px;
    background: url('/img/ver1/header.webp?auto=format&fit=crop&w=1600&q=80') no-repeat center center/cover;
    display: flex;
    align-items: center;
    padding: 50px 5% 40px;
    margin-top: 70px;
}
/* 暗めのオーバーレイ（必要に応じて調整） */
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    /*background: rgba(0, 0, 0, 0.2);*/
    z-index: 1;
}
.hero-container {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: 40px;
}
/* 会員登録フォーム部分 */
.hero-form-box {
    background: rgba(255, 255, 255, 0.95);
    padding: 30px 30px;
    border-radius: 20px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.hero-form-box h1 {
    font-size: 3.2rem;
    text-align: left;
    line-height: 1.5;
    color: #222;
    margin-bottom: 25px;
    font-weight: 500;
    font-family: serif;
}

/* --- 性別選択スイッチ（ラジオボタン） --- */
.gender-switch {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
}
/* デフォルトのラジオボタンは非表示 */
.gender-switch input[type="radio"] {
    display: none;
}
.gender-switch label {
    flex: 1;
    padding: 10px 0;
    text-align: center;
    border: 2px solid #ff7b8c;
    border-radius: 30px;
    font-size: 1.5rem;
    color: #ff7b8c;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #fff;
}
/* チェックされた時のデザイン（男性：青系、女性：ピンク系、または画像に合わせて調整） */
#on:checked + label.switch-on, #on-a:checked + label.switch-on {
    background-color: #00bcd4;
    border-color: #00bcd4;
    color: #fff;
    box-shadow: 0 4px 10px rgba(0, 188, 212, 0.3);
}
#off:checked + label.switch-off, #off-a:checked + label.switch-off {
    background-color: #ff7b8c;
    border-color: #ff7b8c;
    color: #fff;
    box-shadow: 0 4px 10px rgba(255, 123, 140, 0.3);
}


#on:checked + label.switch-on, #on-b:checked + label.switch-on {
    background-color: #00bcd4;
    border-color: #00bcd4;
    color: #fff;
    box-shadow: 0 4px 10px rgba(0, 188, 212, 0.3);
}
#off:checked + label.switch-off, #off-b:checked + label.switch-off {
    background-color: #ff7b8c;
    border-color: #ff7b8c;
    color: #fff;
    box-shadow: 0 4px 10px rgba(255, 123, 140, 0.3);
}

/* --- メールアドレス入力 --- */
.mail-input-wrap {
    margin-bottom: 15px;
}
.mail-input-wrap input[type="text"] {
    width: 100%;
    padding: 14px 16px;
    border: 1.5px solid #ff7b8c;
    border-radius: 10px;
    font-size: 1.4rem;
    outline: none;
    transition: border-color 0.3s;
}
.mail-input-wrap input[type="text"]:focus {
    border-color: #00bcd4;
}
.mail-input-wrap input::placeholder {
    color: #aaa;
}

/* --- 利用規約テキストリンク部分 --- */
.terms-text {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 20px;
    text-align: left;
    line-height: 1.5;
}
.terms-text a {
    color: #00bcd4;
    text-decoration: underline;
}

/* --- チェックボックスのデザイン --- */
.checkbox {
    text-align: left;
    margin-bottom: 25px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.checkbox p {
    display: flex;
    align-items: end;
    gap: 10px;
    font-size: 1.2rem;
    color: #333;
    line-height: 1.4;
    cursor: pointer;
}
/* デフォルトのチェックボックスを綺麗にカスタム */
.checkbox input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border: 1.5px solid #ff7b8c;
    border-radius: 4px;
    outline: none;
    cursor: pointer;
    background-color: #fff;
    display: inline-block;
    position: relative;
    flex-shrink: 0;
    margin-top: 1px;
    transition: background-color 0.2s, border-color 0.2s;
}
.checkbox input[type="checkbox"]:checked {
    background-color: #ff7b8c;
    border-color: #ff7b8c;
}
/* チェックマークの描画 */
.checkbox input[type="checkbox"]:checked::after {
    content: "";
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
.checkbox label {
    cursor: pointer;
}

/* --- 登録ボタン --- */
.submit-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #00bcd4, #0097a7);
    color: #fff;
    border: none;
    border-radius: 35px;
    font-size: 1.05rem;
    cursor: pointer;
    box-shadow: 0 6px 15px rgba(0, 188, 212, 0.4);
    transition: opacity 0.3s, transform 0.2s;
    display: flex;
    margin: 0 auto;
}
.submit-btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* 手前の3つのスマホモックアップ風エリア */
.hero-phones {
    position: absolute;
    bottom: -40px;
    right: 40px;
    z-index: 1;
    display: flex;
    gap: 15px;
    align-self: flex-end;
    width: 320px;
    margin-top: auto;
}
.phone-mockup {
    width: 90px;
    height: 180px;
    background: #333;
    border-radius: 15px;
    border: 4px solid #fff;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    transform: translateY(20px);
}

/* --- 3 & 4. メインセクション（2カラム・パララックス・フェードイン） --- */
.main-container {
    max-width: 1200px;
    display: flex;
    background:#FFF;
}
/* 左カラム：常に表示（決済画面など） */
.left-column {
    background: #FEF5EA;
    width:350px;
}

.left-column-box {
    flex: 1;
    position: sticky;
    top: 50px;
    height: fit-content;
    padding: 50px 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.left-column-box2 {
    flex: 1;
    position: sticky;
    top: 50px;
    height: fit-content;
    padding: 50px 30px;
    display: flex;
    flex-direction: column;
    align-items:center;
    gap: 20px;
    background: #dcf2ff;
}

.left-column-box2 h2 {
    font-size: 2.4rem;
    color: #006DB3;
    font-family: serif;
    text-align: center;
}

.left-column-box2-list {
    display:flex;
    flex-direction:column;
    gap:15px;
    width:220px;
}

.left-column-box2.left-column-box3 {
    background: #c7e9fc;
}

.left-column-box h2 {
    font-size: 3.4rem;
    color: #006DB3;
    font-family: serif;
    text-align: center;
}

.left-column-add {
    display:flex;
    justify-content:center;
}

.left-column-add img {
    width:250px;
}

.left-column-box .submit-btn {
    display: flex;
}

.left-column-box .submit-btn:hover {
    display: flex;
}



/* 右カラム：20代・40代・60代向け情報 */
.right-column {
    flex: 1.2;
    display: flex;
    flex-direction: column;
    margin: 60px 60px 0;
    gap: 60px;
}

/* パララックス・ふわっと表示させるブロック共通設定 */
.fade-in-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/*--- 年齢別ボックス ---*/
.age-box {
    display: flex;
    flex-direction: column;
    color:#006DB3;
    gap:10px;
}

.age-box img {
    margin-bottom:10px;
}

.age-box h2 {
    font-size:2.4rem;
    color:#006DB3;
}

.age-box p {
    font-size:1.0rem;
    color:#006DB3;
}

.age-box h3 {
    font-size:1.6rem;
    color:#006DB3;
}

/* --- section_column --- */
.section-column {
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:20px;
}

.section-column h2 {
    font-size: 2.4rem;
    color: #006DB3;
}

.section-column p {
    font-size: 1.6rem;
    color: #006DB3;
}

.section-colum-list {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:20px;
    padding:0;
    list-style:none;
    margin-bottom: 20px;
}

.section-colum-list strong{
    font-size: 1.4rem;
    color: #006DB3;
    font-weight:normal;
}

.section-column-btn {
    display: flex;
    background: #EF8178;
    font-size: 3rem;
    font-family: monospace;
    padding: 5px 25px;
    color: #FFF;
    border-radius: 50px;
}

.section-column-btn:hover {
    opacity:0.7;
    color: #FFF;
}
/* --- section_use --- */
.section-use {
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:20px;
}

.section-use h2 {
    font-size: 2.4rem;
    color: #006DB3;
}

.section-use p {
    font-size: 1.6rem;
    color: #006DB3;
}

.section-use-list {
    display:grid;
    grid-template-columns:1fr 1fr 1fr;
    gap:20px;
    padding:0;
    list-style:none;
    margin-bottom: 20px;
}

.section-use-list h3{
    font-size: 1.6rem;
    color: #006DB3;
    font-weight:normal;
}

.section-use-list p{
    font-size: 1.2rem;
    color: #006DB3;
    font-weight:normal;
}
/* --- Q&A --- */
.section-qa {
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:20px;
}

.section-qa h2 {
    font-size: 2.4rem;
    color: #006DB3;
}

.section-qa p {
    font-size: 1.6rem;
    color: #006DB3;
}

.section-qa .p-re_qa_q strong {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #006DB3;
    width: 40px;
    height: 40px;
    color: #FFFFFF;
    border-radius: 30px;
    margin-right: 20px;
    font-size: 2rem;
    line-height: 0;
}

.section-qa .p-re_qa_a strong {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #EF8178;
    width: 40px;
    height: 40px;
    color: #FFFFFF;
    border-radius: 30px;
    margin-right: 20px;
    font-size: 2rem;
    line-height: 0;
}

.section-qa .p-re_qa_ya {
    background: #FFF;
    color: #006DB3;
    width: 48px;
    height: 48px;
    border: 1px solid #006DB3;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* --- シニアブログ --- */
section.sub-main.section-scolumn {
    margin: 0 -60px 60px;
    max-width: 1320px;
}

section.sub-main.section-scolumn-b {
    margin: 0;
    max-width: 1200px;
    padding:50px;
}

section.sub-main.section-scolumn .c-inext_list_cuple {
    margin-top: 50px;
}

.section-scolumn-btn {
    display: flex;
    background: #EF8178;
    font-size: 3rem;
    font-family: monospace;
    padding: 5px 25px;
    color: #FFF;
    border-radius: 50px;
}

.section-scolumn-btn:hover {
    opacity:0.7;
    color: #FFF;
}
/* --- フッター会員登録 --- */
.hero-form-box.hero-form-box-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: none;
    box-shadow: none;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.hero-form-box.hero-form-box-footer h1 {
    font-size: 4.2rem;
    text-align: left;
    line-height: 1.5;
    color: #222;
    margin-bottom: 25px;
    font-weight: 500;
    font-family: serif;
}

.hero-form-box.hero-form-box-footer h2 {

}

.hero-form-box-footer-img {
    width: 320px;
    margin-bottom: 20px;
}

/* --- 5. サブメイン（1カラム） --- */
.sub-main {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 5%;
}
.sub-main-content {
    background: #fff;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    text-align: center;
}

/* --- box --- */
.box-bg-FEF5EA {
    background: #FEF5EA;
    padding: 60px;
    margin: 0 -60px;
}

.box-bg-FEF5EA-2 {
    background: #FEF5EA;
    padding: 60px;
}

.box-bg-FEF5EA h2 {
    font-size: 2.4rem;
    color: #006DB3;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.flex-twin {
    display:flex;
    gap:10px;
    flex-wrap:wrap;
    align-items: flex-start;
}

.twin-ti-box {
    width: 100%;
    display:flex;
    gap:10px;
}

.twin-ti-box p {
    font-size:1.6rem;
    color:#006DB3;
}

.twin-ti img {
    min-width: 150px;
    width: 150px;
}

@media(max-width:1200px){
    .p-re_body {
        background: #FFF;
    }
}

/* --- レスポンシブ対応（可変式デザイン） --- */
@media screen and (max-width: 900px) {
    .main-container {
        flex-direction: column;
    }
    /* 要件5：2カラムを1カラムに変える時の優先順位（右を先に、左を次に） */
    .right-column {
        order: 1;
    }
    .left-column-box {
        order: 2;
        position: static; /* スマホではstickyを解除 */
    }
    .hero-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .hero-phones {
        align-self: center;
    }
}

@media (min-width: 1200px) {
    .p-re_body_wrapper {
         overflow: clip;
    }
}

/*タブレット用*/
@media(max-width:900px){
    header {
        padding: 0 10px;
    }
    .hero-container {
        display:none;
    }
    .hero-phones {
        bottom: 20px;
        left: 40px;
        width:200px;
    }
    .hero {
        min-height: 420px;
    }

    .left-column {
        width: 100%;
    }

    .left-column-box {
        padding: 50px 130px;
    }

    .left-column-box2 {
        padding: 60px;
    }

    .main-container {
        padding-bottom: 60px;
    }

    .left-column-box2-list {
        flex-direction: row;
        gap: 20px;
        width: 100%;
    }

    .right-column {
        margin: 0;
    }

    .box-bg-FEF5EA {
        padding: 60px;
        margin: 0;
    }
    .age-box {
        padding: 60px 60px 0 60px;
    }

    section.sub-main.section-scolumn {
        margin: 0;
        max-width: 100%;
    }

    .section-column {
        margin: 0 60px;
    }

    .section-colum-list {
        gap:30px;
    }

    .section-use {
        margin-bottom: -60px !important;
    }

    .section-qa .p-re_qa_a strong, .section-qa .p-re_qa_q strong {
        min-width: 40px;
    }

    .section-qa .p-re_qa_ya {
        min-width: 48px;
    }

    .p-re_body {
        background: #FFF;
    }
}

/* --- レスポンシブ対応（可変式デザイン） --- */
@media screen and (max-width: 650px) {
    .c-inext_nav_logo {
        height: 40px;
    }
    .menu_nav_ul {
        margin-right:5px;
        gap:5px;
    }
    .hero {
        min-height: 300px;
    }
    .hero-phones {
        bottom: 5px;
        left: 25px;
        width: 140px;
    }
    .left-column-box {
        padding: 30px;
    }

    .age-box {
        padding: 30px 30px 0 30px;
    }

    .right-column {
        gap: 30px;
    }

    .left-column-box2 {
        padding: 30px;
    }
    .box-bg-FEF5EA {
        padding: 30px;
        margin: 0;
    }
    .twin-ti-box {
        width: 100%;
    }
    .twin-ti img {
        min-width: 130px;
        width: 130px;
        display: flex;
        margin-left: auto;
    }
    .section-column {
        margin: 0 30px;
    }
    section.sub-main.section-scolumn .c-inext_list_cuple {
        margin-top: 10px;
    }
    .p-re_qa_a {
        margin-bottom: 0;
    }
    .sub-main {
        margin: 30px auto;
        padding: 0 30px;
    }
    .c-inext_list_cuple li:last-child {
        display: none;
    }
    .section-scolumn-btn {
        font-size: 2rem;
    }
    section.sub-main.section-scolumn-b {
        margin-top: 30px;
        padding: 0;
    }
    .section-colum-list {
        margin-bottom: 5px;
    }
    .section-column-btn {
        font-size: 2rem;
    }
}

/* --- レスポンシブ対応（可変式デザイン） --- */
@media screen and (max-width: 420px) {
    .p-re_body {
        min-width:320px;
    }
    .c-inext_nav_logo {
        height: 30px;
    }
    header {
        padding: 0px 5px;
        height: 50px;
        min-width: 320px;
    }
    .menu_nav_ul {
        margin-right: 5px;
        gap: 5px;
    }
    .menu_nav_add {
        padding: 5px 5px !important;
        font-size: 1.1rem;
    }
    .menu_nav_login {
        padding: 5px 5px !important;
        font-size: 1.1rem;
    }
    .menu-btn {
        padding: 12px 5px;
    }
    .hero {
        min-height: 240px;
        margin-top: 50px;
    }
    .hero-phones {
        bottom: 5px;
        left: 15px;
        width: 110px;
    }
    .left-column-box {
        padding: 20px;
    }
    .left-column-box h2 {
        font-size: 3rem;
    }
    .left-column-add img {
        width: 120px;
    }
    .age-box {
        padding: 20px 20px 0 20px;
    }
    .right-column {
        gap: 20px;
    }
    .age-box h2 {
        font-size: 1.6rem;
    }
    .age-box h3 {
        font-size: 1.4rem;
    }
    .left-column-box2 {
        padding: 20px;
    }
    .left-column-box2-list {
        flex-direction: row;
        gap: 10px;
        width: 100%;
    }
    .box-bg-FEF5EA {
        padding: 20px;
    }
    .box-bg-FEF5EA h2 {
        font-size: 2rem;
    }
    .twin-ti-box p {
        font-size: 1.4rem;
    }
    .section-column {
        margin: 0 20px;
    }
    .section-column h2 {
        font-size: 2.0rem;
    }
    .section-colum-list {
        gap: 10px;
    }
    .section-column p {
        font-size: 1.4rem;
    }
    .section-colum-list strong {
        font-size: 1.2rem;
    }
    .section-use {
    display: flex;
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    .section-use-list {
        grid-template-columns: 1fr;
    }
    ul.section-use-list img {
        width: 150px;
        margin-bottom:10px;
    }
    .section-use-list li {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    .section-qa {
        gap: 10px;
    }
    .p-re_qa {
        width: 100%;
    }
    .p-re_qa li {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .p-re_qa_q {
        grid-template-columns: 40px 1fr;
    }
    .p-re_qa_a {
        grid-template-columns: 40px 1fr;
    }
    .section-qa .p-re_qa_ya {
        display: none;
    }
    .sub-main {
        margin: 20px;
        padding: 0px;
    }
    .p-re_qa li {
        padding-bottom: 10px;
    }
    section.sub-main.section-scolumn {
        margin: 0 20px;
    }
    .section-scolumn-btn {
        font-size: 1.6rem;
    }
    .hero-form-box-footer-img {
        width: 200px;
    }
    .hero-form-box.hero-form-box-footer {
        padding: 20px;
    }
}

/* Q&Aリスト全体のスタイル調整 */
.p-re_qa {
  list-style: none;
  padding: 0;
  margin: 0;
}

.p-re_qa > li {
  border-bottom: 1px solid #ddd;
  padding: 16px 0;
}

.p-re_qa_qa {
  cursor: pointer;
}

/* 回答部分：初期状態は折りたたむ */
.p-re_qa_a {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.4s ease, margin-top 0.4s ease;
  margin-top: 0;
}

/* 開いた状態のクラス */
.p-re_qa.is-open .p-re_qa_a,
li.is-open .p-re_qa_a {
  max-height: 200px; /* 内容量に応じて調整してください */
  opacity: 1;
  margin-top: 10px;
}

/* クリックするエリア（矢印など）のデザイン例 */
.p-re_qa_ya {
  display: inline-block;
  cursor: pointer;
  margin-top: 8px;
  width: 20px;
  height: 20px;
  position: relative;
  transition: transform 0.3s ease;
}

/* 矢印っぽく見せるための擬似要素（任意） */
.p-re_qa_ya::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid #006DB3;
  border-bottom: 2px solid #006DB3;
  transform: translate(-50%, -50%) rotate(45deg);
  transition: transform 0.3s ease;
}

/* 開いたときの矢印の向き変更 */
li.is-open .p-re_qa_ya::after {
  transform: translate(-50%, -28%) rotate(225deg);
}