:root {
  color-scheme: light dark;
  --paper: #fffdf9;
  --surface: #f5f7f2;
  --ink: #202923;
  --muted: #526258;
  --line: #d7dfd5;
  --link: #145d46;
  --focus: #ac5a18;
  --note: #eaf2e9;
  font-family: -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
  font-size: 17px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { overflow-wrap: break-word; }
body { margin: 0; min-width: 0; background: var(--paper); color: var(--ink); }
img, video { max-width: 100%; height: auto; }
a { color: var(--link); text-underline-offset: .17em; }
a:hover { text-decoration-thickness: .12em; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.shell { width: min(100% - 2.5rem, 760px); margin-inline: auto; }
.skip-link { position: absolute; top: -5rem; left: 1rem; z-index: 5; padding: .4rem .8rem; background: var(--ink); color: var(--paper); }
.skip-link:focus { top: 1rem; }

.site-header { border-bottom: 1px solid var(--line); }
.header-inner { padding-block: 1.1rem; }
.site-brand { display: inline-block; color: var(--ink); font-size: 1.25rem; font-weight: 750; letter-spacing: -.03em; text-decoration: none; }
.site-tagline { margin: 0; color: var(--muted); font-size: .88rem; }
.site-header nav, .site-footer nav { display: flex; flex-wrap: wrap; gap: .35rem 1.1rem; }
.site-header nav { margin-top: .75rem; font-size: .92rem; }
.site-header nav a, .site-footer nav a { text-decoration: none; }
.site-header nav a:hover, .site-footer nav a:hover { text-decoration: underline; }
.main-content { min-height: 50vh; padding-block: 2.4rem 4rem; }
.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; }
.site-footer .shell { padding-block: 1.35rem 2rem; }
.site-footer p { margin: .8rem 0 0; }

h1, h2, h3 { color: var(--ink); line-height: 1.35; letter-spacing: -.035em; }
h1 { margin: 0 0 .8rem; font-size: clamp(1.9rem, 5vw, 2.45rem); }
h2 { margin: 2rem 0 .7rem; font-size: 1.5rem; }
h3 { margin: 1.6rem 0 .55rem; font-size: 1.18rem; }
p, ul, ol, blockquote, pre, table, figure { margin-block: 0 1.25rem; }
ul, ol { padding-left: 1.55rem; }
li + li { margin-top: .32rem; }
.eyebrow { margin: 0 0 .55rem; color: var(--muted); font-size: .82rem; font-weight: 700; }
.eyebrow a { text-decoration: none; }
.post-header { padding-bottom: 1.1rem; border-bottom: 1px solid var(--line); }
.post-meta { color: var(--muted); font-size: .88rem; }
.prose { padding-top: .8rem; font-size: 1.04rem; line-height: 1.85; }
.prose > :first-child { margin-top: 0; }
.prose img { display: block; border-radius: .45rem; }
.prose figure { margin-inline: 0; }
.prose figcaption { color: var(--muted); font-size: .85rem; }
.prose blockquote { margin-inline: 0; padding: .5rem 1.1rem; border-left: .22rem solid var(--link); background: var(--surface); color: var(--muted); }
.prose blockquote > :last-child { margin-bottom: 0; }
.prose hr { height: 1px; margin-block: 2rem; border: 0; background: var(--line); }
.prose code { padding: .12em .32em; border-radius: .25rem; background: var(--surface); font: .9em/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }
.prose pre { overflow-x: auto; padding: .9rem; border-radius: .4rem; background: var(--surface); }
.prose pre code { padding: 0; background: transparent; }
.prose table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; font-size: .92rem; }
.prose th, .prose td { min-width: 5rem; padding: .55rem .7rem; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.prose th { background: var(--surface); }

.sources, .related, .medical-note { margin-top: 2.4rem; }
.sources, .medical-note { padding: 1.1rem 1.3rem; border: 1px solid var(--line); border-radius: .55rem; }
.sources h2, .medical-note h2, .related h2 { margin-top: 0; font-size: 1.22rem; }
.sources :last-child, .medical-note :last-child { margin-bottom: 0; }
.medical-note { background: var(--note); }
.related ul { padding-left: 1.3rem; }
.list-header { margin-bottom: 2rem; }
.list-header p { margin: 0; color: var(--muted); }
.post-list { display: grid; gap: 1rem; }
.post-list article, .post-list-item { min-width: 0; padding: 1.2rem 1.35rem; border: 1px solid var(--line); border-radius: .55rem; background: var(--surface); }
.post-list h2, .post-list-item h2 { margin: 0 0 .35rem; font-size: 1.23rem; }
.post-list p, .post-list-item p { margin: .3rem 0 0; }
.post-list time, .post-list-item time { color: var(--muted); font-size: .83rem; }
.pagination { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1.8rem; }
.pagination a, .pagination span { display: inline-block; min-width: 2.4rem; padding: .3rem .55rem; border: 1px solid var(--line); border-radius: .35rem; text-align: center; }
.pagination [aria-current] { border-color: var(--link); color: var(--link); font-weight: 700; }

@media (max-width: 520px) {
  :root { font-size: 17px; }
  .shell { width: min(100% - 2rem, 760px); }
  .main-content { padding-block: 1.8rem 3rem; }
  .post-list article, .post-list-item { padding: 1rem; }
  .sources, .medical-note { padding: 1rem; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #121a16;
    --surface: #1d2922;
    --ink: #ecf3ec;
    --muted: #bdcfc0;
    --line: #394a3e;
    --link: #9be1bb;
    --focus: #ffc186;
    --note: #21352a;
  }
}