:root {
    --orange: #ff5000;
    --ink: #171717;
    --muted: #707070;
    --line: #e8e8e8;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: #fff; color: #343434; font-family: Arial, Helvetica, sans-serif; }
a { color: inherit; }
a:focus-visible { outline: 2px solid var(--orange); outline-offset: 5px; }
.article-skip { position: absolute; top: 8px; left: 16px; z-index: 10; padding: 12px 18px; background: #fff; color: var(--ink); transform: translateY(-160%); }
.article-skip:focus { transform: translateY(0); }
.article-site-header, .article, .article-site-footer { width: min(1180px, calc(100% - 64px)); margin: 0 auto; }
.article-site-header { min-height: 96px; display: flex; justify-content: space-between; align-items: center; gap: 24px; border-bottom: 1px solid var(--line); }
.article-brand img { display: block; width: 116px; height: auto; }
.article-home-link { text-decoration: none; font-size: 13px; color: var(--muted); }
.article-home-link:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.article { padding: 54px 0 90px; }
.article-breadcrumb { display: flex; align-items: center; gap: 12px; margin-bottom: 32px; font-size: 12px; color: var(--muted); }
.article-breadcrumb a { text-decoration: none; }
.article-breadcrumb span[aria-hidden] { color: #b5b5b5; }
.article-hero { padding-bottom: 42px; }
.article-hero header { max-width: 900px; margin: 0 auto; padding: 8px 0 32px; }
.article-category { display: inline-block; color: var(--orange); text-transform: uppercase; letter-spacing: 0.1em; font-size: 11px; font-weight: 700; }
.article h1 { margin: 20px 0 24px; color: var(--ink); font-family: Georgia, 'Times New Roman', serif; font-size: clamp(36px, 4.6vw, 62px); line-height: 1.08; letter-spacing: -0.04em; font-weight: 700; text-wrap: balance; }
.article p { margin: 0 0 22px; font-family: Georgia, 'Times New Roman', serif; font-size: 18px; line-height: 1.85; }
.article .article-intro { color: #595959; font-family: Arial, Helvetica, sans-serif; font-size: 21px; line-height: 1.6; }
.article-meta { display: flex; flex-wrap: wrap; gap: 10px 16px; margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.6; }
.article-meta span:not(:last-child)::after { content: '/'; margin-left: 16px; color: #b5b5b5; }
.article-image { margin: 32px 0; }
.article-image img { display: block; width: 100%; height: auto; border-radius: 2px; }
.article-image figcaption { margin-top: 12px; padding-left: 12px; border-left: 2px solid var(--orange); color: var(--muted); font-size: 12px; line-height: 1.6; }
.article-hero > .article-image { margin: 0; }
.article-hero > .article-image img { aspect-ratio: 21 / 10; height: auto; object-fit: cover; object-position: 52% center; }
.article-reportage { margin: 40px 0 16px; }
.article-reportage img { aspect-ratio: 16 / 10; object-fit: cover; }
.article-reportage-detail img { aspect-ratio: 2 / 1; object-position: center 65%; }
.article-layout { display: grid; grid-template-columns: minmax(0, 760px) 245px; justify-content: center; gap: clamp(40px, 6vw, 80px); align-items: start; padding-top: 16px; }
.article-toc { grid-column: 2; grid-row: 1; position: sticky; top: 28px; padding: 20px 0 0 24px; border-top: 2px solid var(--ink); border-left: 1px solid var(--line); }
.article-toc-label { display: block; margin-bottom: 20px; color: var(--ink); font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.article-toc ol { list-style: none; padding: 0; margin: 0; }
.article-toc li { border-bottom: 1px solid var(--line); }
.article-toc a { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 10px; padding: 13px 0; color: #626262; font-size: 13px; line-height: 1.5; text-decoration: none; }
.article-toc a span { padding-top: 1px; font-size: 10px; color: #949494; }
.article-toc a:hover, .article-toc a[aria-current="location"] { color: var(--ink); }
.article-toc a[aria-current="location"] span { color: var(--orange); }
.article-body { grid-column: 1; grid-row: 1; min-width: 0; max-width: 760px; }
.article-body > p:first-child { color: var(--ink); font-size: 21px; line-height: 1.75; }
.article-body > p:first-child::first-letter { float: left; padding: 6px 10px 0 0; color: var(--ink); font-family: Georgia, 'Times New Roman', serif; font-size: 65px; line-height: 0.85; }
.article-section { position: relative; padding: 42px 0 30px; border-bottom: 1px solid var(--line); }
.article-section-number { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; color: var(--orange); font-size: 11px; font-weight: 700; letter-spacing: 0.1em; }
.article-section-number::before { content: ''; width: 24px; height: 2px; background: var(--orange); }
.article h2 { margin: 0 0 24px; color: var(--ink); font-size: clamp(25px, 2.6vw, 33px); line-height: 1.18; letter-spacing: -0.035em; text-wrap: balance; }
.article h3 { margin: 30px 0 14px; color: var(--ink); font-size: 18px; line-height: 1.4; letter-spacing: -0.02em; }
.article-body ul { padding-left: 20px; margin: 20px 0 28px; }
.article-body li { margin-bottom: 10px; padding-left: 5px; font-family: Georgia, 'Times New Roman', serif; font-size: 18px; line-height: 1.7; }
.article-body li::marker { color: var(--orange); font-size: 11px; }
.article-advice { margin: 28px 0 12px; padding: 6px 0 6px 22px; border-left: 2px solid var(--orange); }
.article-advice strong { display: block; margin-bottom: 8px; font-size: 13px; color: var(--ink); }
.article-advice p { margin: 0; font-size: 17px; line-height: 1.75; }
.article-highlight { margin: 34px 0; padding: 26px 0 26px 26px; border-left: 2px solid var(--orange); }
.article-highlight p { margin: 0; max-width: 520px; color: var(--ink); font-size: clamp(22px, 2.5vw, 30px); font-weight: 600; line-height: 1.4; letter-spacing: -0.025em; }
.article-sboo { margin-top: 42px; padding: 32px; border: 1px solid var(--line); border-radius: 14px; }
.article-sboo .article-category { margin-bottom: 18px; }
.article-sboo p { font-size: 17px; }
.article-button { display: inline-flex; align-items: center; gap: 10px; margin-top: 10px; padding: 15px 22px; border-radius: 999px; background: var(--orange); color: #fff; font-size: 15px; font-weight: 900; line-height: 18px; text-decoration: none; transition: transform 0.2s ease; }
.article-button:hover { transform: translateY(-2px); }
.article-conclusion { padding-top: 48px; }
.article-site-footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; padding: 28px 0 36px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.article-site-footer a { text-decoration: none; }
.article-site-footer a:hover { color: var(--orange); }
@media (max-width: 950px) {
    .article-layout { grid-template-columns: minmax(0, 1fr) 200px; gap: 36px; }
}
@media (max-width: 760px) {
    .article-site-header, .article, .article-site-footer { width: calc(100% - 40px); }
    .article-site-header { min-height: 78px; }
    .article-brand img { width: 100px; }
    .article { padding-top: 28px; }
    .article-breadcrumb { margin-bottom: 24px; }
    .article-hero { padding-bottom: 32px; }
    .article-hero header { padding: 0 0 26px; }
    .article h1 { font-size: clamp(34px, 7vw, 46px); }
    .article .article-intro { font-size: 18px; }
    .article-hero > .article-image img { aspect-ratio: 16 / 10; }
    .article-layout { grid-template-columns: 1fr; gap: 32px; padding-top: 28px; }
    .article-toc { grid-column: 1; grid-row: 1; position: static; padding: 20px 0 24px; border-left: 0; border-bottom: 1px solid var(--line); }
    .article-body { grid-column: 1; grid-row: 2; }
    .article-toc ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 24px; }
    .article-section { padding-top: 34px; }
    .article-sboo { padding: 24px; }
}
@media (max-width: 430px) {
    .article-toc ol { grid-template-columns: 1fr; }
    .article-advice { padding: 20px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .article-button { transition: none; }
    .article-button:hover { transform: none; }
}