.ntg-hero {
    padding: 44px 28px 28px;
    background: linear-gradient(180deg, #EAF2FB 0%, var(--bg) 100%);
    border-bottom: 1px solid var(--border-soft);
}
.ntg-hero-inner {
    max-width: var(--max-w);
    margin: 0 auto;
}
.ntg-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(30px, 5vw, 46px);
    line-height: 1.06;
    letter-spacing: -0.5px;
    color: var(--text);
    margin-bottom: 14px;
    max-width: 18ch;
}
.ntg-hero h1 .accent {
    color: var(--accent);
}
.ntg-hero p {
    font-size: clamp(16px, 2vw, 19px);
    color: var(--text-2);
    line-height: 1.55;
    max-width: 60ch;
}
.ntg-progress {
    max-width: var(--max-w);
    margin: 22px auto 0;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.ntg-progress-track {
    flex: 1 1 260px;
    height: 10px;
    background: var(--border-soft);
    border-radius: var(--radius-pill);
    overflow: hidden;
    min-width: 200px;
}
.ntg-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--accent);
    border-radius: var(--radius-pill);
    transition: width 0.4s ease;
}
.ntg-progress-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-2);
    white-space: nowrap;
}
.ntg-progress-reset {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}
.ntg-progress-reset:hover {
    background: var(--blue-bg);
}
.ntg-body {
    padding: 8px 28px 72px;
}
.ntg-body-inner {
    max-width: var(--max-w);
    margin: 0 auto;
}
.ntg-intro {
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    margin: 32px 0 28px;
    box-shadow: var(--shadow-sm);
}
.ntg-intro p {
    font-size: 15px;
    color: var(--text-2);
    line-height: 1.7;
}
.ntg-intro p + p {
    margin-top: 12px;
}
.ntg-intro strong {
    color: var(--text);
    font-weight: 600;
}
.ntg-section {
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    padding: 28px 28px 12px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    scroll-margin-top: 80px;
}
.ntg-section-head {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 8px;
}
.ntg-num {
    font-family: var(--font-display);
    font-size: 26px;
    line-height: 1;
    color: var(--accent);
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--blue-bg);
    border-radius: var(--radius-md);
}
.ntg-section-head h2 {
    font-family: var(--font-display);
    font-size: clamp(21px, 2.6vw, 26px);
    line-height: 1.15;
    letter-spacing: -0.3px;
    color: var(--text);
    padding-top: 7px;
}
.ntg-deadline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--red-text);
    background: var(--red-bg);
    border: 1px solid var(--red-border);
    border-radius: var(--radius-pill);
    padding: 5px 12px;
    margin: 4px 0 16px 60px;
}
.ntg-section > p {
    font-size: 15px;
    color: var(--text-2);
    line-height: 1.7;
    margin: 0 0 14px 60px;
}
.ntg-section > p a {
    font-weight: 500;
}
.ntg-section h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin: 18px 0 8px 60px;
    letter-spacing: -0.1px;
}
.ntg-info {
    margin: 0 0 16px 60px;
    padding: 14px 18px;
    background: var(--bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-soft);
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.65;
}
.ntg-info strong {
    color: var(--text);
    font-weight: 600;
}
.ntg-info a {
    font-weight: 500;
    word-break: break-word;
}
.ntg-cards {
    margin: 6px 0 16px 60px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
}
.ntg-card {
    background: var(--bg);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    padding: 16px 18px;
}
.ntg-card-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.1px;
    margin-bottom: 8px;
}
.ntg-card-row {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13.5px;
    color: var(--text-2);
    line-height: 1.5;
    margin-top: 5px;
}
.ntg-card-row .ntg-card-key {
    flex-shrink: 0;
    color: var(--text-3);
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    width: 58px;
    padding-top: 1px;
}
.ntg-card-row a {
    font-weight: 500;
    word-break: break-word;
}
.ntg-card-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}
.ntg-card-links a {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--accent);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    padding: 6px 13px;
    text-decoration: none;
    transition: background 0.15s ease, border-color 0.15s ease;
}
.ntg-card-links a:hover {
    background: var(--blue-bg);
    border-color: var(--accent);
    text-decoration: none;
}
.ntg-note {
    margin: 0 0 16px 60px;
    padding: 13px 16px;
    background: var(--blue-bg);
    border: 1px solid var(--blue-border);
    border-radius: var(--radius-md);
    font-size: 13.5px;
    color: var(--text-2);
    line-height: 1.6;
}
.ntg-note strong {
    color: var(--text);
    font-weight: 600;
}
.ntg-note a {
    font-weight: 500;
}
.ntg-checklist {
    list-style: none;
    margin: 6px 0 18px 60px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.ntg-check {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 11px 14px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.15s ease;
    border: 1px solid transparent;
}
.ntg-check:hover {
    background: var(--bg);
}
.ntg-check input {
    appearance: none;
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    margin-top: 1px;
    border: 1.5px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    cursor: pointer;
    position: relative;
    transition: background 0.15s ease, border-color 0.15s ease;
}
.ntg-check input:checked {
    background: var(--accent);
    border-color: var(--accent);
}
.ntg-check input:checked::after {
    content: "";
    position: absolute;
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
.ntg-check input:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
.ntg-check-text {
    font-size: 15px;
    color: var(--text);
    line-height: 1.5;
    padding-top: 1px;
}
.ntg-check input:checked + .ntg-check-text {
    color: var(--text-3);
    text-decoration: line-through;
    text-decoration-color: var(--text-3);
}
.ntg-mini-section {
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    padding: 22px 28px 12px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}
.ntg-mini-section h2 {
    font-family: var(--font-display);
    font-size: clamp(19px, 2.2vw, 22px);
    line-height: 1.15;
    letter-spacing: -0.2px;
    color: var(--text);
    margin-bottom: 10px;
}
.ntg-mini-section p {
    font-size: 15px;
    color: var(--text-2);
    line-height: 1.7;
    margin-bottom: 4px;
}
.ntg-mini-section p a {
    font-weight: 500;
}
.ntg-mini-section .ntg-checklist {
    margin-left: 0;
}
.ntg-h2-plain {
    font-family: var(--font-display);
    font-size: clamp(22px, 3vw, 28px);
    letter-spacing: -0.3px;
    color: var(--text);
    margin: 40px 0 16px;
}
.ntg-faq {
    margin-bottom: 24px;
}
.ntg-faq details {
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.ntg-faq summary {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    padding: 16px 20px;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}
.ntg-faq summary::-webkit-details-marker {
    display: none;
}
.ntg-faq summary::after {
    content: "+";
    font-size: 22px;
    font-weight: 400;
    color: var(--text-3);
    flex-shrink: 0;
    line-height: 1;
}
.ntg-faq details[open] summary::after {
    content: "\2212";
}
.ntg-faq details[open] summary {
    border-bottom: 1px solid var(--border-soft);
}
.ntg-faq p {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.7;
    padding: 14px 20px 18px;
}
.ntg-faq p a {
    font-weight: 500;
}
.ntg-disclaimer {
    margin-top: 8px;
    padding: 16px 20px;
    background: var(--bg);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    font-size: 13px;
    color: var(--text-2);
    line-height: 1.6;
}
@media (max-width: 640px) {
    .ntg-section {
        padding: 22px 18px 8px;
    }
    .ntg-section-head {
        gap: 12px;
    }
    .ntg-num {
        width: 38px;
        height: 38px;
        font-size: 22px;
    }
    .ntg-section-head h2 {
        padding-top: 5px;
    }
    .ntg-mini-section {
        padding: 18px 18px 8px;
    }
    .ntg-deadline,
    .ntg-section > p,
    .ntg-section h3,
    .ntg-info,
    .ntg-checklist,
    .ntg-cards,
    .ntg-note {
        margin-left: 0;
    }
    .ntg-intro {
        padding: 20px;
    }
}