:root {
  color-scheme: light;
  --background: #fff;
  --foreground: #0f172a;
  --muted: #64748b;
  --line: #dbe2ea;
  --line-strong: #0f172a;
  --soft: #f8fafc;
  --accent: #075985;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--background); color: var(--foreground); font-family: "Pretendard", "Apple SD Gothic Neo", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.65; -webkit-font-smoothing: antialiased; }
button, a { font: inherit; }
button { cursor: pointer; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 100; border-radius: .5rem; background: var(--foreground); color: #fff; padding: .65rem 1rem; }
.skip-link:focus { top: 1rem; }
.appbar { position: sticky; top: 0; z-index: 30; display: flex; height: 3.25rem; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background: rgb(255 255 255 / 94%); padding: 0 1.25rem; backdrop-filter: blur(12px); }
.brand { display: inline-flex; align-items: center; gap: .55rem; color: inherit; font-weight: 750; letter-spacing: -.02em; text-decoration: none; }
.brand img { width: 1.65rem; height: 1.65rem; border-radius: .4rem; }
.appbar-label { color: var(--muted); font-size: .78rem; font-weight: 650; }
.page { width: min(100% - 2rem, 64rem); margin: 0 auto; padding: 5rem 0 7rem; }
.intro { max-width: 47rem; margin-bottom: 5rem; }
.eyebrow { margin: 0 0 1rem; color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .13em; }
.intro h1 { margin: 0; font-size: clamp(2.25rem, 6vw, 4.75rem); line-height: 1.04; letter-spacing: -.055em; }
.intro > p:last-child { max-width: 38rem; margin: 1.5rem 0 0; color: var(--muted); font-size: 1.05rem; }
.status { border-top: 1px solid var(--line); padding: 1.5rem 0; color: var(--muted); }
.status[hidden] { display: none; }
.date-group { margin-top: 5rem; }
.date-header { border-top: 3px solid var(--line-strong); padding: 1rem 0 1.15rem; }
.date-header h2 { margin: 0; font-size: 1.4rem; letter-spacing: -.025em; }
.article-list { border-bottom: 1px solid var(--line); }
.article { display: grid; width: 100%; grid-template-columns: 7rem minmax(0, 1fr) 2rem; gap: 1.25rem; align-items: start; border: 0; border-top: 1px solid var(--line); background: transparent; color: inherit; padding: 1.75rem 0; text-align: left; transition: background-color .16s ease; }
.article:hover, .article:focus-visible { background: var(--soft); outline: none; }
.article:focus-visible { box-shadow: inset 3px 0 var(--accent); }
.article-category { color: var(--accent); font-size: .72rem; font-weight: 750; }
.article h3 { margin: 0; font-size: 1.15rem; line-height: 1.45; letter-spacing: -.022em; }
.article-summary { margin: .55rem 0 0; color: var(--muted); font-size: .91rem; line-height: 1.75; }
.article-source { margin: .75rem 0 0; color: var(--muted); font-size: .72rem; }
.article-arrow { color: var(--muted); font-size: 1.5rem; line-height: 1; transition: transform .16s ease; }
.article:hover .article-arrow { transform: translateX(.15rem); color: var(--foreground); }
dialog { width: min(48rem, calc(100% - 2rem)); max-height: min(50rem, calc(100dvh - 2rem)); border: 1px solid var(--line); border-radius: .9rem; background: var(--background); color: var(--foreground); padding: 0; box-shadow: 0 24px 80px rgb(15 23 42 / 24%); }
dialog::backdrop { background: rgb(15 23 42 / 48%); backdrop-filter: blur(3px); }
.dialog-shell { max-height: inherit; overflow-y: auto; }
.dialog-header { position: sticky; top: 0; z-index: 2; display: flex; justify-content: space-between; gap: 1.5rem; border-bottom: 1px solid var(--line); background: rgb(255 255 255 / 96%); padding: 1.5rem 1.75rem; backdrop-filter: blur(10px); }
.dialog-meta { margin: 0 0 .45rem; color: var(--accent); font-size: .72rem; font-weight: 750; }
.dialog-header h2 { margin: 0; font-size: 1.45rem; line-height: 1.4; letter-spacing: -.03em; }
.icon-button { flex: 0 0 auto; width: 2rem; height: 2rem; border: 1px solid var(--line); border-radius: .5rem; background: #fff; color: var(--muted); font-size: 1.35rem; line-height: 1; }
.dialog-content { padding: 1.75rem; }
.dialog-lead { margin: 0; color: #334155; font-size: 1rem; line-height: 1.8; }
.dialog-section { margin-top: 2rem; border-top: 1px solid var(--line); padding-top: 1.25rem; }
.dialog-section h3 { margin: 0 0 .75rem; font-size: .78rem; letter-spacing: .04em; }
.dialog-section ul { margin: 0; padding-left: 1.15rem; color: #475569; }
.dialog-section li + li { margin-top: .55rem; }
.dialog-section p { margin: 0; color: #475569; }
.source-links { display: flex; flex-wrap: wrap; gap: .75rem; }
.source-links a { color: var(--accent); font-size: .8rem; font-weight: 650; text-underline-offset: .2rem; }

@media (max-width: 640px) {
  .page { padding-top: 3.5rem; }
  .intro { margin-bottom: 3.75rem; }
  .date-group { margin-top: 4rem; }
  .article { grid-template-columns: 1fr 1.5rem; gap: .75rem; padding: 1.4rem 0; }
  .article-category { grid-column: 1 / -1; }
  .article-arrow { grid-column: 2; grid-row: 2; }
  .article-body { grid-column: 1; grid-row: 2; }
  .dialog-header, .dialog-content { padding: 1.25rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; } }