/* モーダル表示中だけ背景のスクロールを止める。 */
body:has(#exam-detail-gate[open]) {
    overflow: hidden;
}

#exam-detail-gate {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    max-width: none;
    max-height: none;
    margin: 0;
    padding: 48px 24px;
    border: 0;
    box-sizing: border-box;
    overflow-y: auto;
    color: #333;
    background: #e1e5eb;
    visibility: visible;
}

#exam-detail-gate[open] { display: flex; }
.exam-detail-gate__notice:focus { outline: none; }
#exam-detail-gate::backdrop { background: #e1e5eb; }

.exam-detail-gate__inner {
    width: 100%;
    max-width: 680px;
    margin: auto;
}

.exam-detail-gate__notice {
    font-size: 18px;
    line-height: 1.95;
    overflow-wrap: anywhere;
}
.exam-detail-gate__notice p { margin: 0; }

.exam-detail-gate__actions {
    display: flex;
    gap: 18px;
    margin-top: 88px;
}

.exam-detail-gate__button {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-height: 75px;
    padding: 16px 12px;
    border: 0;
    border-radius: 22px;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 4px 6px #0003;
}
.exam-detail-gate__button--accept { background: #fa650b; }
.exam-detail-gate__button--home { background: #20638c; }
.exam-detail-gate__button:hover { opacity: .85; }
.exam-detail-gate__button:focus-visible { outline: 3px solid #333; outline-offset: 4px; }
.exam-detail-gate__noscript { visibility: visible; padding: 32px; }

@media (max-width: 767px) {
    #exam-detail-gate { padding: 48px 28px; }
    .exam-detail-gate__notice { font-size: 14px; line-height: 1.95; }
    .exam-detail-gate__actions { flex-direction: column; gap: 21px; margin-top: 56px; }
    .exam-detail-gate__button { flex: none; min-height: 62px; border-radius: 16px; padding: 14px 10px; }
}