/* 全画面共通のスタイル */

.form-narrow {
    max-width: 26rem;
    margin: 0 auto;
}

.page-center {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-title {
    font-weight: bold;
    letter-spacing: 0.05em;
}

.btn-google {
    background-color: #fff;
    border: 1px solid #dadce0;
    color: #3c4043;
    font-weight: 500;
}

.btn-google:hover {
    background-color: #f8f9fa;
    border-color: #d2e3fc;
    color: #3c4043;
}

.truncate {
    flex-grow: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 広告枠 */
.ad-unit {
    margin: 0.5rem 0;
}

.ad-placeholder {
    border: 1px dashed #adb5bd;
    border-radius: 4px;
    color: #adb5bd;
    font-size: 0.8rem;
    text-align: center;
    padding: 1.5rem 0;
}