@charset "UTF-8";
/* ==========================================================================
   PC用のスタイル（基本設定：画面幅が広いとき）
   ========================================================================== */
/* アコーディオンボタン - 汎用クラス */
.accordion__btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 64px;
    margin-top: 32px;
    border: 1px solid #c8c8c8;
    border-radius: 32px;
    font-size: 16px;
    font-weight: 500;
    color: #000;
    background: #fff;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
}
.accordion__btn:hover {
    background: #e8e8e8;
    transition: all 0.3s ease-in-out;
}
.accordion__btn-text {
    display: block;
    margin-right: -2em;
    letter-spacing: 2em;
}
.accordion__btn-icon {
    position: absolute;
    top: 50%;
    right: 24px;
    width: 36px;
    height: 36px;
    border: 1px solid #000;
    border-radius: 50%;
    background-color: #fff;
    transform: translateY(-50%);
}

/* ホバーしたときに「bounce-subtle」というアニメーションを実行 */
.accordion__btn:hover .accordion__btn-icon {
    animation: bounce-subtle 0.6s ease-in-out;
}
@keyframes bounce-subtle {
    0% { /* 開始地点 */
        transform: translateY(-50%) scale(1);
    }
    30% { /* 少し大きくなって上に弾む */
        transform: translateY(-50%) scale(1.2) cubic-bezier(0.25, 1.5, 0.5, 1);
    }
    50% { /* 反動で少し縮む */
        transform: translateY(-50%) scale(0.9);
    }
    70% { /* 軽く揺り戻し */
        transform: translateY(-50%) scale(1.02);
    }
    100% { /* 元に戻る */
        transform: translateY(-50%) scale(1);
    }
}
.accordion__btn-icon span {
    position: absolute;
    top: 50%;
    left: 50%;
    display: block;
    width: 16px;
    height: 1px;
    border-radius: 1px;
    background: #000;
    transform: translate(-50%, -50%) rotate(0);
    transition: transform 0.3s ease-in-out;
}
.accordion__btn-icon span:first-child {
    transform: translate(-50%, -50%) rotate(90deg);
}
.accordion__btn.is-active .accordion__btn-icon span,
.accordion__btn.is-active .accordion__btn-icon span:first-child {
    transform: translate(-50%, -50%) rotate(360deg);
}
