/* ==========================================================
   VOLZ Credo flipbook  (/about 「私たちの約束」)
   依存: page-flip.browser.js (StPageFlip v2.0.7 / MIT)
   ========================================================== */
.credo {
    padding: 0 0 6em;
}
.credo h3 {
    font-size: 1.2em;
    font-weight: 500;
    margin-bottom: 1.5em;
}
.credo .credo_lead {
    margin-bottom: 3em;
    max-width: 40em;
}
.credo .credo_lead strong {
    font-weight: 500;
}

/* 本を置く白い台 */
.credo .credo_book {
    background: #fff;
    border-radius: 1.5em;
    padding: 2.5em 2em 1.5em;
}

/* StPageFlip が描画する領域。高さは JS(size:stretch)が決める */
.credo .credo_stage {
    width: 100%;
    margin: 0 auto;
    -webkit-user-select: none;
    user-select: none;
    touch-action: pan-y;
}
.credo .credo_stage img {
    pointer-events: none;     /* サイト共通の img 設定と同じ。ドラッグはコンテナで受ける */
    display: block;
    -webkit-user-drag: none;
}
/* ページに薄い紙の縁 */
.credo .credo_stage .stf__item {
    box-shadow: 0 0 0 1px rgba(0, 0, 0, .06);
}

/* 操作列 */
.credo .credo_ctrl {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5em;
    margin-top: 1.5em;
}
.credo .credo_btn {
    width: 2.75em;
    height: 2.75em;
    border: solid 1px #2d2d2d;
    border-radius: 50%;
    background: #fff;
    color: #2d2d2d;
    font-size: 1em;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: .3s;
    padding: 0;
}
.credo .credo_btn:hover {
    background: #2d2d2d;
    color: #fff;
}
.credo .credo_btn:disabled {
    opacity: .25;
    cursor: default;
    background: #fff;
    color: #2d2d2d;
}
.credo .credo_btn svg {
    width: 1em;
    height: 1em;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.credo .credo_page {
    font-family: "Roboto Condensed", sans-serif;
    font-size: .9em;
    letter-spacing: .1em;
    min-width: 5em;
    text-align: center;
}
.credo .credo_hint {
    text-align: center;
    font-size: .75em;
    opacity: .6;
    margin-top: .75em;
}

@media screen and (min-width: 961px) {
    .credo h3 {
        font-size: 1.9em;
        margin-bottom: 1.5em;
    }
}

@media screen and (max-width: 961px) {
    .credo {
        padding-bottom: 4em;
    }
    .credo .credo_book {
        padding: 1.5em 1em 1em;
        border-radius: 1em;
    }
    .credo .credo_ctrl {
        gap: 1em;
    }
}