.content-page .site-header,
.download-list-page .site-header {
    background-color: rgba(229, 229, 229, .8);
    box-shadow: 0 5px 10px rgba(0, 0, 0, .3);
    height: 100px;
    padding: 0 10px;
}

.content-page .logo-image,
.download-list-page .logo-image {
    width: 265px;
}

.content-page .logo-image img,
.download-list-page .logo-image img {
    display: block;
    height: auto;
    width: 100%;
}

.content-page .site-nav,
.download-list-page .site-nav {
    color: #333;
    font-size: 18px;
    gap: 0;
    letter-spacing: .1em;
    margin-left: auto;
    margin-right: 25px;
}

.content-page .site-nav a,
.download-list-page .site-nav a {
    color: #333;
    position: relative;
}

.content-page .site-nav a:hover,
.download-list-page .site-nav a:hover {
    text-decoration: none;
}

.content-page .site-nav a:not(:last-child)::after,
.download-list-page .site-nav a:not(:last-child)::after {
    content: '｜';
    margin: 0 8px;
}

.content-page .site-nav a::before,
.download-list-page .site-nav a::before {
    background-color: #333;
    content: '';
    height: 2px;
    position: absolute;
    bottom: -10px;
    left: 12.5%;
    transform: scale(0, 1);
    transform-origin: center top;
    transition: all .3s;
    width: 75%;
}

.content-page .site-nav a:hover::before,
.download-list-page .site-nav a:hover::before {
    transform: scale(1, 1);
}

.content-page .footer-logo img,
.download-list-page .footer-logo img {
    display: block;
    height: auto;
    width: min(398px, 72vw);
}

.content-page .site-footer,
.download-list-page .site-footer {
    background: #e5e5e5;
    color: #333;
    font-size: 18px;
    padding: 120px 0 135px;
    text-align: center;
}

.content-page .footer-logo,
.download-list-page .footer-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 14px;
}

.content-hero {
    background: #f6f8fb;
    border-bottom: 1px solid #e5e7eb;
    padding: 72px clamp(20px, 6vw, 88px) 52px;
}

.content-hero-inner {
    margin: 0 auto;
    max-width: 1120px;
}

.content-kicker {
    color: #ab8f46;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .14em;
    margin: 0 0 12px;
}

.content-hero h1 {
    font-size: clamp(34px, 5vw, 58px);
    letter-spacing: .04em;
    line-height: 1.28;
    margin: 0;
}

.content-lead {
    color: #64748b;
    font-size: 16px;
    line-height: 1.9;
    margin: 18px 0 0;
    max-width: 720px;
}

.content-section {
    padding: 56px clamp(20px, 6vw, 88px) 92px;
}

.content-inner {
    margin: 0 auto;
    max-width: 1120px;
}

.content-grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.content-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.content-card-thumb {
    background: #f1f5f9;
    border-bottom: 1px solid #e5e7eb;
    display: block;
    margin: 0;
}

.content-card-thumb img {
    aspect-ratio: 16 / 9;
    display: block;
    height: auto;
    object-fit: cover;
    width: 100%;
}

.content-card-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 22px;
}

.content-date {
    color: #64748b;
    display: block;
    font-size: 13px;
    margin-bottom: 10px;
}

.content-card h2 {
    font-size: 20px;
    line-height: 1.55;
    margin: 0 0 12px;
}

.content-card p {
    color: #475569;
    font-size: 14px;
    line-height: 1.8;
    margin: 0 0 22px;
}

.content-card .btn {
    align-self: flex-start;
    border-radius: 0;
    margin-top: auto;
}

.content-list {
    display: grid;
    gap: 18px;
}

.content-list-item {
    align-items: center;
    background: #fff;
    border-top: 1px solid #d1d5db;
    display: grid;
    gap: 24px;
    grid-template-columns: 220px 1fr;
    padding: 24px 0;
}

.content-list-thumb {
    background: #f1f5f9;
    margin: 0;
}

.content-list-thumb img {
    aspect-ratio: 16 / 9;
    display: block;
    height: auto;
    object-fit: cover;
    width: 100%;
}

.content-list-body h2 {
    font-size: 22px;
    line-height: 1.55;
    margin: 0;
}

.content-detail {
    padding: 62px clamp(20px, 6vw, 88px) 96px;
}

.content-detail-inner {
    margin: 0 auto;
    max-width: 920px;
}

.content-detail-head {
    border-bottom: 1px solid #d1d5db;
    margin-bottom: 34px;
    padding-bottom: 28px;
}

.content-detail-head h1 {
    font-size: clamp(30px, 4vw, 46px);
    line-height: 1.45;
    margin: 0;
}

.content-detail-thumb {
    margin: 0 0 34px;
}

.content-detail-thumb img {
    display: block;
    height: auto;
    width: 100%;
}

.content-body {
    color: #1f2937;
    font-size: 16px;
    line-height: 2;
}

.content-body h2 {
    border-left: 4px solid #ab8f46;
    font-size: 24px;
    line-height: 1.5;
    margin: 42px 0 16px;
    padding-left: 14px;
}

.content-body h3 {
    font-size: 20px;
    margin: 32px 0 12px;
}

.content-body p,
.content-body ul,
.content-body ol {
    margin: 0 0 20px;
}

.content-body a {
    color: #3366cc;
    text-decoration: underline;
}

.content-body-image {
    margin: 30px 0;
}

.content-body-image img {
    display: block;
    height: auto;
    width: 100%;
}

.content-body-image--portrait {
    max-width: 640px;
}

.content-body blockquote {
    background: #f7f5ef;
    border-left: 4px solid #ab8f46;
    margin: 24px 0;
    padding: 18px 22px;
}

.content-actions {
    display: flex;
    gap: 14px;
    margin-top: 38px;
}

.content-actions .btn {
    border-radius: 0;
}

@media (max-width: 900px) {
    .content-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .content-page .site-header,
    .download-list-page .site-header {
        height: 70px;
        padding: 0 18px;
    }

    .content-page .logo-image,
    .download-list-page .logo-image {
        width: 210px;
    }

    .content-page .site-nav,
    .download-list-page .site-nav {
        font-size: 16px;
        margin: 0;
        top: 70px;
    }

    .content-page .site-nav a:not(:last-child)::after,
    .download-list-page .site-nav a:not(:last-child)::after,
    .content-page .site-nav a::before,
    .download-list-page .site-nav a::before {
        content: none;
    }

    .content-hero {
        padding: 50px 20px 34px;
    }

    .content-section,
    .content-detail {
        padding-right: 20px;
        padding-left: 20px;
    }

    .content-grid,
    .content-list-item {
        grid-template-columns: 1fr;
    }

    .content-list-item {
        gap: 14px;
        padding: 20px 0;
    }

    .content-card-body {
        padding: 18px;
    }

    .content-actions {
        flex-direction: column;
    }

    .content-page .footer-logo img,
    .download-list-page .footer-logo img {
        width: 240px;
    }

    .content-page .site-footer,
    .download-list-page .site-footer {
        font-size: 12px;
        padding: 60px 18px 90px;
    }
}