.useful-heading { padding-top: 72px; padding-bottom: 52px; text-align: center; }
.useful-heading .eyebrow { justify-content: center; }
.useful-heading h1 { font-size: clamp(42px, 5.7vw, 72px); line-height: 1.08; letter-spacing: -.055em; margin: 20px 0; }
.useful-heading h1 span { color: #53783b; }
.useful-heading > p:last-child { max-width: 540px; margin: 0 auto; color: #617064; line-height: 1.7; font-size: 18px; }
.useful-list { padding-bottom: 80px; }
.article-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.article-card { border: 1px solid #dce3d3; border-radius: 14px; overflow: hidden; background: #fff; display: flex; flex-direction: column; }
.article-card-cover { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: #e6eddb; }
.article-card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .2s; }
.article-card:hover .article-card-cover img { transform: scale(1.025); }
.article-cover-placeholder { height: 100%; display: flex; align-items: center; justify-content: space-between; padding: 32px; font-size: 30px; font-weight: 650; letter-spacing: -.04em; color: #274632; background: radial-gradient(circle at 80% 20%, #c5ef73, transparent 70%); }
.article-cover-placeholder > span { font-size: 44px; }
.article-card-copy { padding: 26px; display: flex; flex: 1; flex-direction: column; align-items: flex-start; }
.article-card time, .article-heading time { font-size: 12px; color: #687760; }
.article-card h2 { font-size: 23px; line-height: 1.3; letter-spacing: -.025em; margin: 15px 0 12px; overflow-wrap: anywhere; }
.article-card-copy > p { color: #617064; line-height: 1.7; font-size: 14px; margin: 0 0 24px; overflow-wrap: anywhere; }
.article-read { display: flex; justify-content: space-between; width: 100%; margin-top: auto; font-weight: 650; font-size: 13px; }
.article-empty { grid-column: 1 / -1; text-align: center; border: 1px dashed #bacaa8; padding: 60px 24px; border-radius: 14px; }
.article-empty h2 { margin-bottom: 16px; }
.article-empty .button { margin-top: 20px; }
.article-detail { max-width: 1000px; padding-top: 36px; padding-bottom: 70px; }
.article-back { display: inline-block; font-size: 13px; margin-bottom: 36px; }
.article-heading { max-width: 760px; margin: 0 auto 36px; }
.article-heading h1 { font-size: clamp(32px, 4.8vw, 58px); line-height: 1.12; letter-spacing: -.045em; margin: 18px 0 22px; overflow-wrap: anywhere; }
.article-intro { font-size: 20px; line-height: 1.65; color: #617064; margin: 0 0 24px; overflow-wrap: anywhere; }
.article-cover { margin: 0 0 46px; }
.article-cover img { display: block; width: 100%; height: auto; max-height: 760px; object-fit: contain; border-radius: 14px; background: #e8eede; }
.article-prose { max-width: 760px; margin: auto; font-size: 18px; line-height: 1.85; color: #344b3c; overflow-wrap: anywhere; }
.article-prose h2 { margin: 1.8em 0 .7em; font-size: 30px; line-height: 1.25; letter-spacing: -.025em; }
.article-prose h3, .article-prose h4 { margin: 1.5em 0 .6em; line-height: 1.4; }
.article-prose p, .article-prose ul, .article-prose ol { margin: 0 0 1.2em; }
.article-prose ul, .article-prose ol { padding-left: 1.5em; }
.article-prose a { text-decoration: underline; text-underline-offset: 3px; color: #3d6a27; }
.article-prose blockquote { border-left: 4px solid #95bf5e; margin: 1.5em 0; padding: .5em 1.2em; background: #edf3e5; }
.article-prose blockquote p:last-child { margin-bottom: 0; }
.article-prose img { max-width: 100%; height: auto; border-radius: 8px; }
.article-prose pre { overflow-x: auto; padding: 20px; background: #edf3e5; border-radius: 8px; }
.article-prose table { display: block; overflow-x: auto; max-width: 100%; }
.article-cta { margin: 64px 0 0; padding: 36px; background: #e9f0de; border: 1px solid #dce3d3; border-radius: 14px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.article-cta h2 { font-size: 24px; margin: 0 0 10px; letter-spacing: -.03em; }
.article-cta p { color: #617064; margin: 0; }
.article-editor { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 320px); gap: 24px; align-items: start; }
.article-editor > .panel { min-width: 0; margin: 0; }
.article-editor textarea { line-height: 1.65; resize: vertical; }
.article-editor small { font-size: 12px; line-height: 1.6; font-weight: 400; color: #657367; }
.article-toolbar { display: flex; gap: 6px; flex-wrap: wrap; margin: 10px 0; }
.article-toolbar button { border: 1px solid #d4ddcd; border-radius: 5px; padding: 7px 10px; color: #344b3c; background: #f6f8f1; cursor: pointer; font: inherit; font-size: 12px; }
.article-toolbar button:focus-visible { outline: 2px solid #53783b; outline-offset: 2px; }
.article-admin-cover { width: 100%; height: auto; border-radius: 8px; }
.article-delete { margin-top: 24px; }
.article-delete p { margin: 16px 0; }
.article-preview { background: #fff; border-radius: 12px; padding: 36px; margin: 24px auto; }
@media (max-width: 1000px) {
    .article-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .article-editor { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .useful-heading { padding-top: 40px; padding-bottom: 36px; }
    .article-grid { grid-template-columns: 1fr; gap: 22px; }
    .article-card-copy { padding: 22px; }
    .article-intro { font-size: 18px; }
    .article-prose { font-size: 16px; }
    .article-prose h2 { font-size: 25px; }
    .article-cta { padding: 25px; flex-direction: column; align-items: flex-start; }
    .article-preview { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) {
    .article-card-cover img { transition: none; }
}