.stc-wrap {
    width: 100%;
    margin-top: 20px;
    padding: 20px;
    border: 1px solid #dbe7f2;
    background: #ffffff;
    box-sizing: border-box;
    color: #1f2937;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
}

.stc-badge {
    display: inline-block;
    margin: 0 0 12px;
    padding: 7px 10px;
    background: #eef4fa;
    color: #628bb4;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.stc-title {
    margin: 0 0 10px;
    color: #628bb4;
    font-size: 24px;
    font-weight: 800;
    line-height: 1.35;
    letter-spacing: -0.03em;
}

.stc-subtext {
    margin: 0 0 18px;
    font-size: 14px;
    line-height: 1.7;
    color: #4b5563;
}

.stc-form,
.stc-results {
    width: 100%;
}

.stc-field {
    display: block;
    width: 100%;
    margin: 0 0 14px;
}

.stc-label {
    display: block;
    margin: 0 0 7px;
    color: #628bb4;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.5;
}

.stc-input,
.stc-select {
    width: 100%;
    height: 48px;
    padding: 0 14px;
    border: 1px solid #bfd0e0;
    border-radius: 0;
    box-sizing: border-box;
    background: #ffffff;
    color: #111827;
    font-size: 15px;
    outline: none;
    box-shadow: none;
}

.stc-input:focus,
.stc-select:focus {
    border-color: #628bb4;
}

.stc-button,
.stc-button:link,
.stc-button:visited,
.stc-button:hover,
.stc-button:focus,
.stc-button:active {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 54px;
    margin: 12px 0 0;
    padding: 14px 16px;
    border: 1px solid #000000;
    border-radius: 0;
    background: #000000;
    color: #ffffff !important;
    text-decoration: none;
    font-size: 16px;
    font-weight: 800;
    line-height: 1.4;
    letter-spacing: -0.02em;
    cursor: pointer;
    box-sizing: border-box;
}

.stc-button-link {
    margin-top: 10px;
}

.stc-results {
    margin-top: 18px;
}

.stc-result-row {
    display: block;
    width: 100%;
    margin: 0 0 12px;
    padding: 14px 16px;
    border: 1px solid #dbe7f2;
    background: #f8fbfe;
    box-sizing: border-box;
    font-size: 15px;
    line-height: 1.7;
    color: #1f2937;
    word-break: keep-all;
}

.stc-result-row.is-ok {
    border-color: #1f8b4c;
    background: #edf9f1;
    color: #0f5d2f;
    font-weight: 800;
}

.stc-result-row.is-no {
    border-color: #cf3f3f;
    background: #fff1f1;
    color: #a11d1d;
    font-weight: 800;
}

.stc-result-row.is-note {
    background: #eef4fa;
    border-color: #bfd0e0;
}

.stc-reason-list {
    margin: 0;
    padding: 0;
}

.stc-reason-item {
    display: block;
    width: 100%;
    margin: 0 0 8px;
}

.stc-reason-item:last-child {
    margin-bottom: 0;
}

@media (max-width: 767px) {
    .stc-wrap {
        padding: 16px;
    }

    .stc-title {
        font-size: 21px;
    }

    .stc-input,
    .stc-select,
    .stc-button {
        min-height: 50px;
        font-size: 15px;
    }
}

.stc-field[hidden],
.stc-button[hidden],
.stc-button-link[hidden],
.stc-result-row[hidden] {
    display: none !important;
}