.guide-hero {
    background:
        radial-gradient(circle at 82% 18%, rgba(74, 144, 226, 0.18), transparent 34%),
        linear-gradient(135deg, #222831 0%, var(--bg-darkgray) 100%);
    color: var(--text-white);
    padding: 96px 0 78px;
    text-align: center;
}

.guide-eyebrow {
    color: var(--primary-point);
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0;
    margin: 0 0 18px;
    text-transform: uppercase;
}

.guide-hero-title {
    font-size: clamp(1.9rem, 3vw, 2.8rem);
    font-weight: 800;
    letter-spacing: 0;
    line-height: 1.25;
    word-break: keep-all;
}

.guide-content-section {
    background: #ffffff;
    padding: 72px 0;
}

.guide-content-section > .container {
    max-width: 1180px;
}

.guide-toc {
    background: transparent;
    border-radius: 0;
    margin-bottom: 22px;
    padding: 0;
    scroll-margin-top: 90px;
}

.guide-toc-list {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.guide-toc-list a {
    align-items: center;
    background: #ffffff;
    border: 1px solid rgba(74, 144, 226, 0.14);
    border-radius: 14px;
    color: var(--text-body);
    display: flex;
    font-size: 0.95rem;
    font-weight: 700;
    gap: 10px;
    padding: 12px 14px;
    text-decoration: none;
    transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    word-break: keep-all;
}

.guide-toc-list a:hover,
.guide-toc-list a:focus-visible {
    background: #eef5ff;
    box-shadow: 0 10px 22px rgba(44, 44, 44, 0.08);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.guide-toc-list a:focus-visible {
    outline: 3px solid rgba(74, 144, 226, 0.35);
    outline-offset: 3px;
}

.guide-toc-list span {
    align-items: center;
    background: rgba(74, 144, 226, 0.13);
    border-radius: 999px;
    color: var(--primary-point);
    display: inline-flex;
    flex: 0 0 auto;
    font-size: 0.8rem;
    font-weight: 900;
    height: 28px;
    justify-content: center;
    width: 40px;
}

.guide-section-heading h2 {
    scroll-margin-top: 90px;
}

.guide-section {
    border-radius: 22px;
    margin-bottom: 22px;
    padding: clamp(26px, 4vw, 44px);
}

.guide-section-heading {
    align-items: center;
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.guide-section-note {
    color: var(--text-light);
    font-size: 0.85rem;
    margin: 0;
    word-break: keep-all;
}

.guide-section-title-link {
    align-items: center;
    display: flex;
    gap: 12px;
    text-decoration: none;
}

.guide-section-title-link:hover h2,
.guide-section-title-link:focus-visible h2 {
    color: var(--primary-point);
}

.guide-section-title-link:focus-visible {
    border-radius: 12px;
    outline: 3px solid rgba(74, 144, 226, 0.35);
    outline-offset: 3px;
}

.guide-section-heading h2 {
    color: var(--primary-color);
    font-size: clamp(1.35rem, 2vw, 1.78rem);
    font-weight: 800;
    margin: 0;
}

.guide-section-badge {
    align-items: center;
    background: rgba(74, 144, 226, 0.13);
    border-radius: 999px;
    color: var(--primary-point);
    display: inline-flex;
    flex: 0 0 auto;
    font-size: 0.86rem;
    font-weight: 800;
    height: 34px;
    justify-content: center;
    width: 48px;
}

.guide-copy {
    color: var(--text-body);
    font-size: 1.03rem;
    line-height: 1.95;
    word-break: keep-all;
}

.guide-copy p:last-child {
    margin-bottom: 0;
}

.submission-card-grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(6, minmax(0, 1fr));
}

.submission-card {
    align-items: center;
    background: #f7f9fb;
    border: 0;
    border-radius: 18px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 10px;
    justify-content: center;
    min-height: 138px;
    padding: 16px 12px;
    text-align: center;
    transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.submission-card:hover,
.submission-card:focus-visible {
    background: #eef5ff;
    box-shadow: 0 16px 34px rgba(44, 44, 44, 0.1);
    transform: translateY(-4px);
}

.submission-card:focus-visible {
    outline: 3px solid rgba(74, 144, 226, 0.35);
    outline-offset: 3px;
}

.submission-card.is-active {
    background: rgba(74, 144, 226, 0.14);
    box-shadow: 0 16px 34px rgba(74, 144, 226, 0.16);
}

.submission-card i {
    align-items: center;
    background: rgba(74, 144, 226, 0.13);
    border-radius: 16px;
    color: var(--primary-point);
    display: inline-flex;
    flex: 0 0 auto;
    font-size: 1.25rem;
    height: 46px;
    justify-content: center;
    width: 46px;
}

.submission-card span {
    color: var(--text-body);
    font-size: 0.9rem;
    font-weight: 800;
    line-height: 1.6;
    word-break: keep-all;
}

.submission-detail-list {
    margin-top: 18px;
}

.submission-detail {
    border-radius: 18px;
    padding: 24px 26px;
}

.submission-detail h3 {
    color: var(--primary-color);
    font-size: 1.08rem;
    font-weight: 800;
    margin: 0 0 10px;
}

.submission-detail p {
    color: var(--text-body);
    font-size: 0.98rem;
    line-height: 1.8;
    margin: 0;
    word-break: keep-all;
}

.submission-detail.is-visible {
    animation: detail-enter 0.28s ease both;
}

.receipt-example-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.receipt-example {
    background: #f7f9fb;
    border-radius: 22px;
    display: grid;
    gap: 22px;
    grid-template-rows: auto 1fr;
    overflow: hidden;
}

.receipt-example-image,
.receipt-special-image {
    align-items: center;
    background: #edf3fb;
    display: flex;
    justify-content: center;
    min-height: 260px;
    padding: 18px;
    text-align: center;
}

.receipt-example-image img,
.receipt-special-image img {
    border-radius: 14px;
    display: block;
    height: auto;
    max-height: 440px;
    max-width: 100%;
    object-fit: contain;
}

.receipt-example-image img {
    max-height: 300px;
}

.receipt-example-body {
    padding: 0 26px 28px;
    text-align: center;
}

.receipt-example-label,
.receipt-special-label {
    border-radius: 999px;
    display: inline-flex;
    font-size: 0.82rem;
    font-weight: 800;
    margin-bottom: 12px;
    padding: 6px 12px;
}

.receipt-example-valid .receipt-example-label {
    background: rgba(74, 144, 226, 0.13);
    color: var(--primary-point);
}

.receipt-example-invalid .receipt-example-label,
.receipt-special-label {
    background: rgba(187, 126, 34, 0.13);
    color: #9b6816;
}

.receipt-special-case-valid {
    background: #edf8f3;
}

.receipt-special-case-valid .receipt-special-image {
    min-height: 200px;
}

.receipt-special-case-valid .receipt-special-image img {
    max-height: 210px;
}

.receipt-special-case-valid .receipt-special-label {
    background: rgba(38, 147, 97, 0.14);
    color: #1c7a50;
}

.receipt-example h3,
.receipt-special-case h3 {
    color: var(--primary-color);
    font-size: 1.12rem;
    font-weight: 800;
    line-height: 1.45;
    margin: 0 0 14px;
    word-break: keep-all;
}

.receipt-example ul {
    color: var(--text-body);
    display: grid;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.receipt-example li {
    align-items: center;
    display: flex;
    gap: 8px;
    justify-content: center;
    line-height: 1.65;
    word-break: keep-all;
}

.receipt-example li::before {
    color: var(--primary-point);
    content: "•";
    font-weight: 900;
    line-height: 1.65;
}

.receipt-special-case {
    background: #fff8ea;
    border-radius: 22px;
    display: grid;
    gap: 26px;
    grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
    margin-top: 18px;
    overflow: hidden;
}

.receipt-special-case .receipt-special-image {
    min-height: 240px;
}

.receipt-special-case > div:not(.receipt-special-image) {
    align-self: center;
    padding: 24px;
}

.receipt-special-case > div:not(.receipt-special-image) {
    padding-left: 0;
}

.receipt-special-case-reverse {
    grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.8fr);
}

.receipt-special-case-reverse > div:not(.receipt-special-image) {
    padding-left: 30px;
    padding-right: 0;
}

.receipt-special-case p {
    color: var(--text-body);
    font-size: 0.98rem;
    line-height: 1.85;
    margin: 0;
    word-break: keep-all;
}

.submission-method-layout {
    display: grid;
    gap: 28px;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    margin-bottom: 24px;
}

.submission-method-copy {
    color: var(--text-body);
    font-size: 1.03rem;
    line-height: 1.9;
    word-break: keep-all;
}

.submission-method-copy p {
    margin: 0 0 16px;
}

.submission-method-copy p:last-child {
    margin-bottom: 0;
}

.drive-folder-preview {
    align-self: start;
    background: #f7f9fb;
    border-radius: 22px;
    margin-top: -42px;
    padding: 22px;
}

.drive-folder-header {
    align-items: center;
    color: var(--primary-color);
    display: flex;
    font-size: 1rem;
    font-weight: 800;
    gap: 10px;
    margin-bottom: 16px;
}

.drive-folder-header i {
    color: var(--primary-point);
    font-size: 1.25rem;
}

.drive-folder-item {
    align-items: center;
    background: #ffffff;
    border-radius: 16px;
    display: flex;
    gap: 14px;
    padding: 16px;
}

.drive-folder-item + .drive-folder-item {
    margin-top: 10px;
}

.drive-folder-item i {
    align-items: center;
    background: rgba(74, 144, 226, 0.12);
    border-radius: 14px;
    color: var(--primary-point);
    display: inline-flex;
    flex: 0 0 auto;
    font-size: 1.25rem;
    height: 46px;
    justify-content: center;
    width: 46px;
}

.drive-folder-item strong,
.drive-folder-item span {
    display: block;
    word-break: keep-all;
}

.drive-folder-item strong {
    color: var(--primary-color);
    font-size: 0.98rem;
    margin-bottom: 4px;
}

.drive-folder-item span {
    color: var(--text-subtle);
    font-size: 0.88rem;
    line-height: 1.55;
}

.submission-step-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.submission-step-card {
    background: #f7f9fb;
    border-radius: 18px;
    min-height: 210px;
    padding: 22px 18px;
    position: relative;
    text-align: center;
}

.submission-step-number {
    align-items: center;
    background: rgba(74, 144, 226, 0.13);
    border-radius: 999px;
    color: var(--primary-point);
    display: inline-flex;
    font-size: 0.82rem;
    font-weight: 900;
    height: 30px;
    justify-content: center;
    margin-bottom: 14px;
    width: 30px;
}

.submission-step-card i {
    color: var(--primary-point);
    display: block;
    font-size: 1.65rem;
    margin-bottom: 12px;
}

.submission-step-card h3 {
    color: var(--primary-color);
    font-size: 1rem;
    font-weight: 800;
    margin: 0 0 10px;
}

.submission-step-card p {
    color: var(--text-body);
    font-size: 0.9rem;
    line-height: 1.7;
    margin: 0;
    word-break: keep-all;
}

.settlement-writing-block {
    align-items: stretch;
    display: grid;
    gap: 18px;
    grid-template-columns: minmax(220px, 0.35fr) minmax(0, 1fr);
}

.settlement-writing-block + .settlement-writing-block {
    margin-top: 24px;
}

.settlement-writing-copy {
    margin-bottom: 28px;
}

.settlement-writing-card {
    height: 260px;
    min-height: 0;
}

.settlement-screenshot-preview {
    background: #f7f9fb;
    border-radius: 18px;
    height: 260px;
    min-height: 0;
    overflow: hidden;
    padding: 12px;
}

.settlement-screenshot-preview img {
    border-radius: 12px;
    display: block;
    height: 100%;
    object-fit: contain;
    width: 100%;
}

.settlement-caution-copy {
    margin-bottom: 22px;
}

.settlement-caution-list {
    display: grid;
    gap: 12px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.settlement-caution-list li {
    background: #f7f9fb;
    border-radius: 16px;
    color: var(--text-body);
    font-size: 0.98rem;
    line-height: 1.85;
    padding: 18px 20px 18px 56px;
    position: relative;
    word-break: keep-all;
}

.settlement-caution-list li::before {
    align-items: center;
    background: rgba(74, 144, 226, 0.13);
    border-radius: 999px;
    color: var(--primary-point);
    content: "!";
    display: inline-flex;
    font-size: 0.78rem;
    font-weight: 900;
    height: 24px;
    justify-content: center;
    left: 16px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
}

.settlement-example-link {
    align-items: center;
    background: #f6f9ff;
    border: 1px solid rgba(74, 144, 226, 0.16);
    border-radius: 20px;
    color: inherit;
    display: flex;
    gap: 18px;
    padding: 24px;
    text-decoration: none;
    transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.settlement-example-link:hover,
.settlement-example-link:focus-visible {
    background: #eef5ff;
    box-shadow: 0 16px 34px rgba(44, 44, 44, 0.1);
    color: inherit;
    transform: translateY(-3px);
}

.settlement-example-link:focus-visible {
    outline: 3px solid rgba(74, 144, 226, 0.35);
    outline-offset: 3px;
}

.settlement-example-icon {
    align-items: center;
    background: rgba(74, 144, 226, 0.14);
    border-radius: 18px;
    color: var(--primary-point);
    display: inline-flex;
    flex: 0 0 auto;
    font-size: 1.7rem;
    height: 62px;
    justify-content: center;
    width: 62px;
}

.settlement-example-copy {
    display: grid;
    gap: 6px;
    min-width: 0;
}

.settlement-example-copy strong {
    color: var(--primary-color);
    font-size: 1.08rem;
    font-weight: 800;
    word-break: keep-all;
}

.settlement-example-copy span {
    color: var(--text-body);
    font-size: 0.95rem;
    line-height: 1.6;
    word-break: keep-all;
}

.settlement-example-arrow {
    color: var(--primary-point);
    font-size: 1.25rem;
    margin-left: auto;
}

.additional-proof-intro {
    margin-bottom: 26px;
}

.additional-proof-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.additional-proof-card {
    background: #f7f9fb;
    border-radius: 18px;
    display: flex;
    flex-direction: column;
    padding: 22px 22px 30px;
    position: relative;
}

.additional-proof-number {
    align-items: center;
    background: rgba(74, 144, 226, 0.13);
    border-radius: 999px;
    color: var(--primary-point);
    display: inline-flex;
    font-size: 0.82rem;
    font-weight: 900;
    height: 30px;
    justify-content: center;
    margin-bottom: 14px;
    width: 30px;
}

.additional-proof-card h3 {
    color: var(--primary-color);
    font-size: 1.05rem;
    font-weight: 800;
    margin: 0 0 12px;
    word-break: keep-all;
}

.additional-proof-card p {
    color: var(--text-body);
    font-size: 0.94rem;
    line-height: 1.75;
    margin: 0 0 14px;
    word-break: keep-all;
}

.additional-proof-card ul {
    display: grid;
    gap: 7px;
    list-style: none;
    margin: 0 0 24px;
    padding: 0;
}

.additional-proof-card li {
    color: var(--text-body);
    font-size: 0.9rem;
    line-height: 1.55;
    padding-left: 16px;
    position: relative;
    word-break: keep-all;
}

.additional-proof-card li::before {
    background: var(--primary-point);
    border-radius: 999px;
    content: "";
    height: 5px;
    left: 0;
    position: absolute;
    top: 0.78em;
    width: 5px;
}

.additional-proof-card .additional-proof-note {
    background: #ffffff;
    border-radius: 12px;
    color: var(--text-subtle);
    font-size: 0.88rem;
    margin: auto 0 0;
    padding: 12px 14px;
}

.additional-proof-filing {
    align-items: center;
    background: #f6f9ff;
    border-radius: 20px;
    display: grid;
    gap: 20px;
    grid-template-columns: auto minmax(0, 1fr) minmax(240px, 0.6fr);
    margin-top: 22px;
    padding: 24px;
}

.additional-proof-filing-icon {
    align-items: center;
    background: rgba(74, 144, 226, 0.14);
    border-radius: 18px;
    color: var(--primary-point);
    display: inline-flex;
    font-size: 1.6rem;
    height: 58px;
    justify-content: center;
    width: 58px;
}

.additional-proof-filing-copy h3 {
    color: var(--primary-color);
    font-size: 1.05rem;
    font-weight: 800;
    margin: 0 0 10px;
}

.additional-proof-filing-copy p {
    color: var(--text-body);
    font-size: 0.94rem;
    line-height: 1.8;
    margin: 0;
    word-break: keep-all;
}

.additional-proof-file-list {
    background: #ffffff;
    border: 1px solid rgba(74, 144, 226, 0.16);
    border-radius: 14px;
    display: grid;
    gap: 8px;
    padding: 14px;
}

.additional-proof-file-list span {
    align-items: center;
    color: var(--primary-color);
    display: flex;
    font-size: 0.88rem;
    font-weight: 700;
    gap: 9px;
    line-height: 1.45;
}

.additional-proof-file-list i {
    color: var(--primary-point);
    flex: 0 0 auto;
    font-size: 1rem;
}

.additional-proof-summary {
    background: rgba(74, 144, 226, 0.1);
    border-radius: 16px;
    color: var(--primary-color);
    font-size: 0.98rem;
    font-weight: 700;
    line-height: 1.8;
    margin-top: 16px;
    padding: 18px 20px;
    word-break: keep-all;
}

.final-submit-copy {
    margin-bottom: 22px;
}

.final-submit-checklist {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    list-style: none;
    margin: 0;
    padding: 0;
}

.final-submit-checklist li {
    align-items: center;
    background: #f7f9fb;
    border-radius: 16px;
    color: var(--text-body);
    display: flex;
    font-size: 0.95rem;
    gap: 12px;
    line-height: 1.75;
    padding: 16px 18px;
    word-break: keep-all;
}

.final-submit-checklist li::before {
    align-items: center;
    background: rgba(74, 144, 226, 0.13);
    border-radius: 999px;
    color: var(--primary-point);
    content: "✓";
    display: inline-flex;
    flex: 0 0 auto;
    font-size: 0.92rem;
    height: 26px;
    justify-content: center;
    width: 26px;
}

.inquiry-intro {
    margin-bottom: 22px;
}

.inquiry-card,
.inquiry-code-card {
    background: #f7f9fb;
    border-radius: 18px;
    margin-top: 16px;
    padding: 22px;
}

.inquiry-card-heading {
    align-items: center;
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
}

.inquiry-code-header .inquiry-card-heading {
    margin-bottom: 8px;
}

.inquiry-code-title {
    min-width: 0;
}

.inquiry-card-heading i {
    align-items: center;
    background: rgba(74, 144, 226, 0.14);
    border-radius: 12px;
    color: var(--primary-point);
    display: inline-flex;
    flex: 0 0 auto;
    font-size: 1.1rem;
    height: 38px;
    justify-content: center;
    width: 38px;
}

.inquiry-card h3,
.inquiry-code-card h3 {
    color: var(--primary-color);
    font-size: 1.05rem;
    font-weight: 800;
    margin: 0;
}

.inquiry-card p,
.inquiry-code-card p,
.inquiry-answer-card p {
    color: var(--text-body);
    font-size: 0.94rem;
    line-height: 1.8;
    margin: 0;
    word-break: keep-all;
}

.inquiry-answer-card p + p {
    margin-top: 10px;
}

.inquiry-checklist {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    list-style: none;
    margin: 16px 0 0;
    padding: 0;
}

.inquiry-checklist li {
    align-items: center;
    background: #ffffff;
    border-radius: 12px;
    color: var(--text-body);
    display: flex;
    font-size: 0.9rem;
    font-weight: 700;
    gap: 8px;
    line-height: 1.5;
    padding: 10px 12px;
    word-break: keep-all;
}

.inquiry-checklist li::before {
    color: var(--primary-point);
    content: "✓";
    flex: 0 0 auto;
    font-weight: 900;
}

.inquiry-type-list {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-top: 16px;
}

.inquiry-type-list span {
    background: #eef5ff;
    border-radius: 999px;
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.5;
    padding: 8px 12px;
    word-break: keep-all;
}

.inquiry-code-header {
    align-items: flex-start;
    display: flex;
    gap: 16px;
    justify-content: space-between;
    margin-bottom: 14px;
}

.inquiry-copy-button {
    align-items: center;
    background: rgba(74, 144, 226, 0.14);
    border: 0;
    border-radius: 12px;
    color: var(--primary-point);
    display: inline-flex;
    flex: 0 0 auto;
    font-size: 0.9rem;
    font-weight: 800;
    gap: 6px;
    padding: 9px 12px;
}

.inquiry-copy-button:focus-visible {
    outline: 3px solid rgba(74, 144, 226, 0.35);
    outline-offset: 3px;
}

.inquiry-code-block {
    background: #ffffff;
    border: 1px solid rgba(74, 144, 226, 0.16);
    border-radius: 14px;
    color: var(--primary-color);
    font-size: 0.9rem;
    line-height: 1.7;
    margin: 0;
    overflow-x: auto;
    padding: 16px;
    white-space: pre;
}

.inquiry-code-block code {
    font-family: Consolas, "Courier New", monospace;
}

.file-order-note {
    align-items: center;
    background: #f6f9ff;
    border-radius: 22px;
    display: grid;
    gap: 22px;
    grid-template-columns: auto minmax(0, 1fr) minmax(260px, 0.8fr);
    margin-top: 18px;
    padding: 24px;
}

.file-order-icon {
    align-items: center;
    background: rgba(74, 144, 226, 0.14);
    border-radius: 18px;
    color: var(--primary-point);
    display: inline-flex;
    font-size: 1.6rem;
    height: 58px;
    justify-content: center;
    width: 58px;
}

.file-order-copy h3 {
    color: var(--primary-color);
    font-size: 1.05rem;
    font-weight: 800;
    margin: 0 0 10px;
}

.file-order-copy p {
    color: var(--text-body);
    font-size: 0.94rem;
    line-height: 1.8;
    margin: 0;
    word-break: keep-all;
}

.file-order-example {
    background: #ffffff;
    border: 1px solid rgba(74, 144, 226, 0.16);
    border-radius: 16px;
    box-shadow: 0 14px 26px rgba(33, 37, 41, 0.06);
    padding: 14px;
}

.file-folder-row {
    align-items: center;
    background: #eef5ff;
    border: 1px solid rgba(74, 144, 226, 0.18);
    border-radius: 12px;
    color: var(--primary-color);
    display: flex;
    font-size: 0.96rem;
    gap: 10px;
    padding: 11px 12px;
}

.file-folder-row i {
    color: var(--primary-point);
    font-size: 1.25rem;
}

.file-folder-children {
    margin-left: 17px;
    padding: 8px 0 0 24px;
    position: relative;
}

.file-folder-children::before {
    background: rgba(74, 144, 226, 0.24);
    content: "";
    height: calc(100% - 23px);
    left: 0;
    position: absolute;
    top: 0;
    width: 2px;
}

.file-order-row {
    align-items: center;
    color: var(--text-body);
    background: #ffffff;
    border: 1px solid rgba(33, 37, 41, 0.08);
    border-radius: 10px;
    display: flex;
    font-size: 0.9rem;
    font-weight: 700;
    gap: 10px;
    margin-top: 8px;
    padding: 9px 10px;
    position: relative;
    word-break: keep-all;
}

.file-order-row::before {
    background: rgba(74, 144, 226, 0.24);
    content: "";
    height: 2px;
    left: -24px;
    position: absolute;
    top: 50%;
    width: 18px;
}

.file-order-row::after {
    background: #ffffff;
    border: 2px solid rgba(74, 144, 226, 0.32);
    border-radius: 50%;
    content: "";
    height: 7px;
    left: -28px;
    position: absolute;
    top: calc(50% - 3.5px);
    width: 7px;
}

.file-order-row i {
    color: var(--text-light);
    flex: 0 0 auto;
}

.file-order-row.is-primary {
    color: var(--primary-color);
}

.file-order-row.is-primary i {
    color: var(--primary-point);
}

.proof-folder-rule {
    background: #f7f9fb;
    border-radius: 22px;
    display: grid;
    gap: 22px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 18px;
    padding: 24px;
}

.proof-folder-rule-copy {
    align-items: center;
    display: flex;
    gap: 16px;
    grid-column: 1 / -1;
}

.proof-folder-rule-icon {
    align-items: center;
    background: rgba(74, 144, 226, 0.14);
    border-radius: 18px;
    color: var(--primary-point);
    display: inline-flex;
    flex: 0 0 auto;
    font-size: 1.55rem;
    height: 58px;
    justify-content: center;
    width: 58px;
}

.proof-folder-rule-copy h3 {
    color: var(--primary-color);
    font-size: 1.05rem;
    font-weight: 800;
    margin: 0 0 10px;
    word-break: keep-all;
}

.proof-folder-rule-copy p {
    color: var(--text-body);
    font-size: 0.94rem;
    line-height: 1.8;
    margin: 0;
    word-break: keep-all;
}

.proof-folder-diagram {
    display: grid;
    gap: 12px;
    grid-column: 2;
    grid-row: 2;
}

.proof-folder-panel {
    background: #ffffff;
    border: 1px solid rgba(74, 144, 226, 0.16);
    border-radius: 16px;
    display: grid;
    gap: 10px;
    padding: 14px;
}

.proof-folder-panel-main {
    grid-column: 1;
    grid-row: 2;
}

.proof-folder-panel-title {
    align-items: center;
    color: var(--primary-color);
    display: flex;
    font-size: 0.95rem;
    gap: 9px;
}

.proof-folder-panel-title i {
    color: var(--primary-point);
    font-size: 1.15rem;
}

.proof-folder-file-grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.proof-folder-file-column {
    display: grid;
    gap: 10px;
}

.proof-folder-pill {
    align-items: center;
    border-radius: 12px;
    color: var(--text-body);
    display: flex;
    font-size: 0.88rem;
    font-weight: 700;
    gap: 8px;
    line-height: 1.45;
    padding: 9px 10px;
}

.proof-folder-pill.is-correct {
    background: #eef5ff;
}

.proof-folder-pill i,
.proof-folder-pill.is-correct i {
    color: var(--primary-point);
}

.proof-ledger-folder {
    background: #eef5ff;
    border-radius: 12px;
    display: grid;
    gap: 8px;
    padding: 10px;
}

.proof-ledger-folder-grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.proof-ledger-folder-title {
    align-items: center;
    color: var(--primary-color);
    display: flex;
    font-size: 0.9rem;
    gap: 8px;
}

.proof-ledger-folder-title i {
    color: var(--primary-point);
    flex: 0 0 auto;
}

.proof-ledger-files {
    display: grid;
    gap: 7px;
}

.proof-ledger-files span {
    align-items: center;
    background: #ffffff;
    border-radius: 10px;
    color: var(--text-body);
    display: flex;
    font-size: 0.86rem;
    font-weight: 700;
    gap: 8px;
    line-height: 1.45;
    padding: 8px 10px;
}

.proof-ledger-files i {
    color: var(--primary-point);
    flex: 0 0 auto;
}

@keyframes detail-enter {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .submission-detail.is-visible {
        animation: none;
        opacity: 1;
        transform: none;
    }
}

@media (max-width: 991px) {
    .guide-hero {
        padding: 68px 0;
    }

    .submission-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .receipt-example-grid,
    .receipt-special-case,
    .submission-method-layout {
        grid-template-columns: 1fr;
    }

    .drive-folder-preview {
        margin-top: 0;
    }

    .submission-step-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .settlement-writing-block {
        grid-template-columns: 1fr;
    }

    .settlement-example-link {
        align-items: flex-start;
    }

    .additional-proof-grid,
    .additional-proof-filing {
        grid-template-columns: 1fr;
    }

    .inquiry-checklist {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .file-order-note {
        align-items: flex-start;
        grid-template-columns: auto minmax(0, 1fr);
    }

    .file-order-example {
        grid-column: 1 / -1;
    }

    .proof-folder-rule {
        grid-template-columns: 1fr;
    }

    .proof-folder-rule-copy,
    .proof-folder-diagram,
    .proof-folder-panel-main {
        grid-column: auto;
        grid-row: auto;
    }

    .receipt-special-case > div:not(.receipt-special-image),
    .receipt-special-case-reverse > div:not(.receipt-special-image) {
        padding: 0 26px 28px;
    }

    .guide-section-heading {
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .guide-section-note {
        flex-basis: 100%;
        margin-left: 60px;
    }

}

@media (max-width: 576px) {
    .submission-card-grid {
        grid-template-columns: 1fr;
    }

    .guide-toc-list {
        grid-template-columns: 1fr;
    }

    .guide-section-note {
        margin-left: 0;
    }

    .submission-step-grid {
        grid-template-columns: 1fr;
    }

    .final-submit-checklist {
        grid-template-columns: 1fr;
    }

    .file-order-note {
        grid-template-columns: 1fr;
    }

    .file-order-icon {
        margin: 0 auto;
    }

    .file-order-copy {
        text-align: center;
    }

    .proof-folder-rule-copy {
        display: grid;
        text-align: center;
    }

    .proof-folder-rule-icon {
        margin: 0 auto;
    }

    .proof-folder-file-grid {
        grid-template-columns: 1fr;
    }

    .proof-ledger-folder-grid {
        grid-template-columns: 1fr;
    }

    .additional-proof-filing-icon {
        margin: 0 auto;
    }

    .additional-proof-filing-copy {
        text-align: center;
    }

    .settlement-example-link {
        display: grid;
        grid-template-columns: auto minmax(0, 1fr);
    }

    .settlement-example-arrow {
        grid-column: 2;
        margin-left: 0;
    }

    .inquiry-checklist {
        grid-template-columns: 1fr;
    }

    .inquiry-code-header {
        display: grid;
    }

    .inquiry-copy-button {
        justify-content: center;
        width: 100%;
    }
}