:root {
    --color-navy: #133671;
    --color-navy-dark: #0d244b;
    --color-light-blue: #4a8cd5;
    --color-sky: #d5e6fa;
    --color-soft-gray: #f5f7fb;
    --color-text: #1f2d3d;
    --color-muted: #6d7b90;
    --color-accent: #f38eb0;
    --color-border: #d6dce8;
    --max-width: 1120px;
    scroll-behavior: smooth;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    font-family: "Noto Sans JP", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    color: var(--color-text);
    background-color: #ffffff;
}

body {
    line-height: 1.7;
}

a {
    color: inherit;
    text-decoration: none;
}

a:hover,
a:focus {
    color: var(--color-light-blue);
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: min(100%, calc(var(--max-width) + 3rem));
    margin: 0 auto;
    padding: 0 1.5rem;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 76px;
    gap: 2rem;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
}

.logo img {
    height: 80px;
    width: auto;
}

/* Logo Styles */
.logo-text {
    display: flex;
    flex-direction: column;
    font-size: 0.85rem;
    color: var(--color-navy-dark);
    white-space: nowrap;
}

.logo-name {
    font-weight: 700;
    font-size: 1.05rem;
}

.logo-tagline {
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-logo img {
    margin-bottom: 0;
    height: 65px;
    width: auto;
}

.site-nav ul {
    display: flex;
    align-items: center;
    gap: 1rem;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
}

.site-nav a {
    position: relative;
    padding-bottom: 0.35rem;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.site-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: transparent;
    transition: background 0.3s ease;
}

.site-nav a:hover::after,
.site-nav a:focus::after,
.site-nav a.is-active::after {
    background: var(--color-light-blue);
}

main {
    padding-top: 2.5rem;
}

.section {
    padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.section--light {
    background: var(--color-soft-gray);
}

.section-title {
    text-align: center;
    font-family: "Playfair Display", "Times New Roman", serif;
    font-size: clamp(2.1rem, 5vw, 2.8rem);
    color: var(--color-navy);
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    font-size: 0.9rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 2.5rem;
}

.page-header {
    position: relative;
    padding: clamp(4rem, 8vw, 6rem) 0;
    color: #fff;
    text-align: center;
}

.page-header::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(12, 32, 76, 0.9), rgba(42, 94, 167, 0.65));
    z-index: -1;
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-title {
    font-family: "Playfair Display", "Times New Roman", serif;
    font-size: clamp(2.3rem, 6vw, 3.4rem);
    margin: 0 0 0.5rem;
    letter-spacing: 0.12em;
}

.page-subtitle {
    font-size: 0.95rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.8);
}

.content-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 18px 45px rgba(19, 54, 113, 0.12);
    padding: clamp(2rem, 5vw, 3rem);
    margin-top: -4rem;
    position: relative;
}

.content-card+.content-card {
    margin-top: 2.5rem;
}

.lead-text {
    font-size: 1.05rem;
    color: var(--color-muted);
    margin-bottom: 2rem;
}

.two-column {
    display: grid;
    gap: 2.5rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.table-style {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.table-style caption {
    caption-side: bottom;
    padding-top: 0.75rem;
    color: var(--color-muted);
}

.table-style th,
.table-style td {
    border: 1px solid var(--color-border);
    padding: 0.9rem 1rem;
    text-align: left;
    background: #fff;
}

.table-style th {
    background: var(--color-soft-gray);
    font-weight: 600;
    color: var(--color-navy-dark);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.75rem;
}

.news-card {
    background: linear-gradient(160deg, #f0f5ff, #e3ecfb);
    border-radius: 18px;
    padding: 1.8rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 36px rgba(19, 54, 113, 0.18);
}

.news-card-date {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-navy-dark);
}

.news-card-title {
    font-size: 1.05rem;
    font-weight: 700;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2.5rem;
    font-size: 0.9rem;
    color: var(--color-muted);
}

.pagination button,
.pagination a {
    min-width: 36px;
    padding: 0.45rem 0.75rem;
    border-radius: 8px;
    border: 1px solid transparent;
    background: transparent;
    cursor: pointer;
    transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.pagination .is-active,
.pagination a:hover,
.pagination button:hover {
    background: var(--color-light-blue);
    color: #fff;
    border-color: var(--color-light-blue);
}

.pagination .is-disabled,
.pagination button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.contact-form {
    max-width: 560px;
    margin: 0 auto;
    display: grid;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.form-label {
    font-weight: 600;
    letter-spacing: 0.08em;
}

.form-label .required {
    color: var(--color-accent);
    margin-left: 0.4rem;
    font-size: 0.85rem;
}

.form-control {
    padding: 0.85rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    border-color: var(--color-light-blue);
    box-shadow: 0 0 0 3px rgba(74, 140, 213, 0.2);
    outline: none;
}

.form-error {
    color: var(--color-accent);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

.form-success {
    color: var(--color-light-blue);
    text-align: center;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
}

textarea.form-control {
    min-height: 160px;
    resize: vertical;
}

.button-primary {
    justify-self: center;
    padding: 0.9rem 2.8rem;
    border-radius: 999px;
    border: none;
    background: var(--color-navy);
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.12em;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
}

.link-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 2.2rem;
    border-radius: 999px;
    border: 1px solid transparent;
    background: var(--color-navy);
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.18em;
    font-size: 0.9rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.link-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 28px rgba(19, 54, 113, 0.2);
}

.card .link-button {
    align-self: flex-start;
    margin-top: auto;
}

.cta-link {
    margin-top: 2.5rem;
    text-align: center;
}

.cta-link .link-button {
    background: transparent;
    color: var(--color-navy);
    border-color: var(--color-navy);
}

.cta-link .link-button:hover {
    background: var(--color-navy);
    color: #fff;
}

.button-primary:hover {
    background: var(--color-navy-dark);
    transform: translateY(-2px);
}

.to-top {
    position: fixed;
    right: 1.5rem;
    bottom: 2rem;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.8rem 1.1rem;
    border-radius: 12px;
    background: rgba(19, 54, 113, 0.88);
    color: #fff;
    text-decoration: none;
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    border: 1px solid rgba(255, 255, 255, 0.22);
    transition: transform 0.3s ease, background 0.3s ease, opacity 0.3s ease;
    opacity: 1;
}

.to-top:hover {
    background: rgba(12, 32, 76, 0.94);
    transform: translateY(-6px);
}

.to-top.is-hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px);
}

.site-footer {
    margin-top: clamp(4rem, 8vw, 6rem);
}

.footer-ad {
    background: linear-gradient(90deg, rgba(243, 142, 176, 0.95), rgba(255, 176, 196, 0.95));
    color: var(--color-navy-dark);
    padding: 1.8rem 0;
}

.footer-ad-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.ad-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-weight: 600;
    letter-spacing: 0.08em;
}

.ad-sub {
    font-size: 0.85rem;
    letter-spacing: 0.24em;
}

.ad-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    border-radius: 999px;
    background: #fff;
    color: var(--color-navy);
    font-weight: 600;
    letter-spacing: 0.1em;
    border: 1px solid transparent;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ad-button:hover {
    box-shadow: 0 12px 24px rgba(19, 54, 113, 0.18);
    transform: translateY(-4px);
}

.footer-main {
    background: #ffffff;
    color: var(--color-text);
    padding: 2.5rem 0;
    border-top: 1px solid var(--color-border);
}

.footer-main-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.9rem;
    letter-spacing: 0.12em;
}

.footer-bottom {
    background: #ffffff;
    color: var(--color-muted);
    font-size: 0.8rem;
    text-align: center;
    padding: 1.2rem 0;
    border-top: 1px solid var(--color-soft-gray);
}

.placeholder {
    padding: 6rem 0;
}

.placeholder-text {
    text-align: center;
    color: var(--color-muted);
    letter-spacing: 0.2em;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.2rem 0.8rem;
    border-radius: 999px;
    font-size: 0.75rem;
    letter-spacing: 0.16em;
    background: var(--color-sky);
    color: var(--color-navy-dark);
}

.step-list {
    display: grid;
    gap: 1.5rem;
}

.step-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 1.5rem;
    align-items: flex-start;
    padding: 1.4rem 1.6rem;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 20px 40px rgba(19, 54, 113, 0.08);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 48px;
    border-radius: 12px;
    background: var(--color-navy);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.hero {
    position: relative;
    min-height: 420px;
    display: flex;
    align-items: center;
    color: #fff;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(19, 54, 113, 0.9), rgba(74, 140, 213, 0.7));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 640px;
}

.hero-title {
    font-family: "Playfair Display", "Times New Roman", serif;
    font-size: clamp(2.6rem, 6vw, 3.6rem);
    letter-spacing: 0.18em;
    margin-bottom: 1rem;
}

.hero-lead {
    font-size: 1.05rem;
    letter-spacing: 0.12em;
    line-height: 1.9;
    margin-bottom: 1.8rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2.2rem;
    border-radius: 999px;
    background: #fff;
    color: var(--color-navy);
    font-weight: 600;
    letter-spacing: 0.18em;
    transition: transform 0.3s ease;
}

.hero-button:hover {
    transform: translateY(-4px);
}

.cards-row {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
    background: #fff;
    border-radius: 18px;
    padding: 1.8rem;
    box-shadow: 0 18px 36px rgba(19, 54, 113, 0.08);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.card-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-navy);
}

.card-desc {
    color: var(--color-muted);
    font-size: 0.95rem;
}

.icon-list {
    display: grid;
    gap: 1.1rem;
}

.icon-list-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.icon-list-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--color-sky);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--color-navy);
    letter-spacing: 0.08em;
}

@media (max-width: 1024px) {
    .site-nav ul {
        gap: 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 900px) {
    .header-inner {
        flex-direction: column;
        align-items: center;
        padding: 1rem 0 1.5rem;
    }

    .site-nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-ad-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-nav ul {
        gap: 1rem 1.5rem;
    }
}

@media (max-width: 640px) {
    .site-header {
        position: static;
    }

    .header-inner {
        min-height: auto;
        gap: 1.2rem;
    }

    .site-nav ul {
        gap: 0.8rem 1rem;
        font-size: 0.85rem;
    }

    .to-top {
        right: 1rem;
        bottom: 1.5rem;
        padding: 0.7rem 1rem;
    }

    .content-card {
        margin-top: -3rem;
        padding: 1.6rem;
    }

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

    .step-number {
        justify-self: flex-start;
    }
}

/* Margin Information Infographic */
.margin-info-section {
    margin-top: 2rem;
}

.margin-info-title {
    text-align: center;
    margin-bottom: 3rem;
}

.margin-info-title h2 {
    color: var(--color-navy);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.margin-info-title .lang-pt {
    color: var(--color-light-blue);
    font-size: 0.95rem;
    font-weight: 500;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-item {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 1.25rem;
    align-items: center;
}

.info-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-sky);
    color: var(--color-light-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.info-content h3 {
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.3;
}

.info-content .lang-pt {
    display: block;
    font-size: 0.75rem;
    color: var(--color-muted);
    font-weight: 400;
    margin-top: 0.2rem;
}

.info-value {
    display: block;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-top: 0.5rem;
}

.highlight-card {
    grid-column: span 2;
    background: #f8fbff;
    border-color: var(--color-sky);
    padding: 2rem;
    position: relative;
}

.highlight-card .info-number {
    background: var(--color-light-blue);
    color: #fff;
}

.formula-box {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: #fff;
    border: 1px dashed var(--color-border);
    border-radius: 8px;
    text-align: center;
}

.formula-box .formula-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    font-family: "Times New Roman", serif;
    font-size: 1.2rem;
}

.formula-fraction {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    vertical-align: middle;
}

.formula-numerator {
    border-bottom: 1px solid var(--color-text);
    padding: 0 0.5rem;
}

.formula-denominator {
    padding: 0 0.5rem;
}

.training-section {
    margin-top: 4rem;
}

.training-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--color-navy);
}

.training-title .lang-pt {
    font-size: 0.9rem;
    color: var(--color-muted);
    font-weight: 400;
}

.info-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.info-table th,
.info-table td {
    border: 1px solid var(--color-border);
    padding: 1rem;
    text-align: left;
}

.info-table th {
    background: #f8fbff;
    width: 20%;
    color: var(--color-navy);
    font-weight: 700;
}

.info-table .lang-pt {
    display: block;
    font-size: 0.7rem;
    color: var(--color-muted);
    font-weight: 400;
}

.footer-info-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.footer-info-card {
    background: #f8fbff;
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.agreement-item {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2rem;
}

.check-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.check-box {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.check-box.checked {
    background: var(--color-light-blue);
    border-color: var(--color-light-blue);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.check-box.checked::after {
    content: "✓";
    color: #fff;
    font-size: 14px;
}

.agreement-text h4 {
    margin: 0 0 0.3rem 0;
    font-size: 1rem;
}

.agreement-text p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--color-muted);
}

.badge-scope {
    background: var(--color-navy);
    color: #fff;
    padding: 0.1rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    margin-right: 0.5rem;
}

@media (max-width: 768px) {

    .info-grid,
    .footer-info-row {
        grid-template-columns: 1fr;
    }

    .highlight-card {
        grid-column: auto;
    }

    .info-table th {
        width: 30%;
    }
}