@font-face {
  font-family: "Noto Sans SC Local";
  src: url("/assets/fonts/NotoSansSC-Regular.otf") format("opentype");
  font-display: swap;
}

:root {
  --paper: #f2eee4;
  --paper-deep: #e5ddce;
  --ink: #192927;
  --muted: #5f6964;
  --green: #173f3c;
  --green-soft: #d9e2dc;
  --red: #a34e3c;
  --line: rgba(25, 41, 39, .2);
  --page: min(1220px, calc(100vw - 64px));
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", Georgia, serif;
  --sans: "Noto Sans SC Local", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 2%, rgba(163, 78, 60, .09), transparent 28rem),
    linear-gradient(90deg, rgba(25, 41, 39, .025) 1px, transparent 1px),
    var(--paper);
  background-size: auto, 32px 32px, auto;
  font: 22px/1.6 var(--sans);
  text-rendering: optimizeLegibility;
}

a { color: inherit; }
a:focus-visible { outline: 3px solid var(--red); outline-offset: 4px; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 10; padding: 10px 14px; color: white; background: var(--green); }
.skip-link:focus { top: 16px; }

.topbar {
  width: var(--page);
  min-height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-bottom: 1px solid var(--line);
}
.brand { text-decoration: none; font: 700 .8rem/1 var(--serif); letter-spacing: .02em; }
.brand span { margin-left: 8px; color: var(--red); font: 700 .53rem/1 var(--sans); letter-spacing: .14em; }
.topbar nav { display: flex; gap: 28px; }
.topbar nav a { color: var(--muted); font-size: .64rem; font-weight: 700; text-decoration: none; transition: color .2s ease; }
.topbar nav a:hover { color: var(--red); }

main { width: var(--page); margin: 0 auto; }
.hero {
  min-height: 720px;
  padding: 82px 0 92px;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(360px, .8fr);
  gap: 86px;
  align-items: center;
}
.eyebrow,
.case-card > p,
.thesis > p,
.toc > p {
  margin: 0;
  color: var(--red);
  font-size: .59rem;
  font-weight: 800;
  letter-spacing: .15em;
}
.hero h1 {
  max-width: 840px;
  margin: 22px 0 30px;
  font: 750 clamp(3.25rem, 7vw, 6.6rem)/.96 var(--serif);
  letter-spacing: -.055em;
  text-wrap: balance;
}
.hero h1 em { color: var(--red); font-style: normal; }
.lede { max-width: 39em; margin: 0; color: var(--muted); font-size: .91rem; line-height: 1.8; text-wrap: pretty; }
.hero-actions { margin-top: 36px; display: flex; gap: 22px; align-items: center; }
.hero-actions a { font-size: .65rem; font-weight: 800; text-decoration: none; }
.hero-actions .primary { padding: 13px 21px; color: white; background: var(--green); transition: transform .2s ease, background .2s ease; }
.hero-actions .primary:hover { background: #23534f; transform: translateY(-2px); }
.hero-actions .primary:active { transform: translateY(1px); }
.hero-actions .secondary { color: var(--red); border-bottom: 1px solid currentColor; }

.case-card { padding: 34px 36px 38px; color: white; background: var(--green); box-shadow: 22px 24px 0 var(--paper-deep); }
.case-card > p { color: #d7a698; }
.case-card dl { margin: 25px 0 28px; }
.case-card dl div { padding: 15px 0; border-top: 1px solid rgba(255,255,255,.19); }
.case-card dt { color: #b8cbc7; font-size: .56rem; font-weight: 700; }
.case-card dd { margin: 4px 0 0; font: 650 .82rem/1.5 var(--serif); }
.status-note { padding: 19px 20px; color: var(--ink); background: #f0e9dc; }
.status-note b { display: block; color: var(--red); font-size: .67rem; }
.status-note span { display: block; margin-top: 8px; font-size: .59rem; line-height: 1.65; }

.thesis { margin: 0 0 100px; padding: 60px 0 68px; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--line); }
.thesis h2 { max-width: 22em; margin: 18px 0 42px; font: 700 clamp(2rem, 4.2vw, 4rem)/1.17 var(--serif); letter-spacing: -.035em; text-wrap: balance; }
.thesis > div { display: grid; grid-template-columns: auto 1fr auto 1fr; gap: 20px 28px; align-items: baseline; }
.thesis strong { color: var(--red); font-size: .58rem; letter-spacing: .1em; }
.thesis span { font: 650 .82rem/1.5 var(--serif); }

.reader-layout { display: grid; grid-template-columns: 230px minmax(0, 820px); gap: 72px; justify-content: center; align-items: start; }
.toc { position: sticky; top: 28px; padding-top: 8px; border-top: 3px solid var(--ink); }
.toc > p { margin: 17px 0 16px; }
.toc a { display: block; padding: 8px 0; color: var(--muted); border-bottom: 1px solid var(--line); font-size: .57rem; line-height: 1.45; text-decoration: none; transition: padding-left .2s ease, color .2s ease; }
.toc a:hover { padding-left: 6px; color: var(--red); }

.opinion { min-width: 0; padding: 58px clamp(32px, 6vw, 76px) 82px; background: rgba(255, 253, 248, .82); box-shadow: 0 28px 80px rgba(31, 45, 40, .12); }
.document-stamp { margin: -58px calc(clamp(32px, 6vw, 76px) * -1) 56px; padding: 16px 24px; display: flex; justify-content: space-between; gap: 20px; color: white; background: var(--green); }
.document-stamp span { font-size: .57rem; font-weight: 800; letter-spacing: .12em; }
.document-stamp b { font: 700 .58rem/1 var(--serif); font-variant-numeric: tabular-nums; }
.opinion h1 { margin: 0 0 38px; text-align: center; font: 750 clamp(2rem, 4.5vw, 3.4rem)/1.2 var(--serif); letter-spacing: -.035em; }
.opinion h2 { margin: 64px 0 25px; padding-top: 26px; border-top: 1px solid var(--ink); font: 700 1.38rem/1.48 var(--serif); text-wrap: pretty; }
.opinion h3 { margin: 44px 0 19px; color: var(--green); font: 700 1.08rem/1.5 var(--serif); }
.opinion p,
.opinion li { font-size: 1rem; line-height: 1.85; }
.opinion p { margin: 0 0 1.25em; text-align: justify; text-justify: inter-ideograph; }
.opinion ol,
.opinion ul { margin: 0 0 1.3em; padding-left: 1.5em; }
.opinion li { margin-bottom: .55em; }
.opinion > p:nth-of-type(-n+6) { text-align: left; }
.opinion strong { color: var(--green); }

footer { width: var(--page); margin: 86px auto 0; padding: 32px 0 50px; display: flex; justify-content: space-between; gap: 30px; border-top: 1px solid var(--line); color: var(--muted); }
footer p,
footer a { margin: 0; font-size: .58rem; }
footer a { color: var(--red); font-weight: 800; }

@media (max-width: 940px) {
  :root { --page: min(100vw - 40px, 760px); }
  .hero { min-height: 0; grid-template-columns: 1fr; gap: 60px; }
  .case-card { max-width: 650px; }
  .reader-layout { grid-template-columns: 1fr; gap: 28px; }
  .toc { position: static; display: grid; grid-template-columns: repeat(3, 1fr); column-gap: 20px; }
  .toc > p { grid-column: 1 / -1; }
  .thesis > div { grid-template-columns: auto 1fr; }
}

@media (max-width: 620px) {
  :root { --page: min(100vw - 28px, 760px); }
  body { font-size: 22px; line-height: 1.6; }
  .topbar { min-height: 68px; }
  .brand { font-size: 17px; }
  .brand span { display: none; }
  .topbar nav { gap: 16px; }
  .topbar nav a { font-size: 14px; }
  .topbar nav a:first-child { display: none; }
  .hero { padding: 54px 0 76px; gap: 48px; }
  .hero h1 { margin-top: 18px; font-size: clamp(3rem, 15vw, 4.25rem); }
  .eyebrow,
  .case-card > p,
  .thesis > p,
  .toc > p { font-size: 15px; }
  .lede { font-size: inherit; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions a { font-size: 17px; }
  .case-card { padding: 28px 24px 30px; box-shadow: 10px 12px 0 var(--paper-deep); }
  .case-card dt { font-size: 15px; }
  .case-card dd { font-size: 20px; }
  .status-note b { font-size: 17px; }
  .status-note span { font-size: 17px; }
  .thesis { margin-bottom: 64px; padding: 45px 0 50px; }
  .thesis h2 { font-size: 2rem; }
  .thesis > div { grid-template-columns: 1fr; gap: 9px; }
  .thesis strong { margin-top: 14px; font-size: 15px; }
  .thesis span { font-size: 20px; }
  .toc { grid-template-columns: 1fr 1fr; column-gap: 16px; }
  .toc a { padding: 11px 0; font-size: 15px; }
  .opinion { padding: 45px 20px 60px; }
  .document-stamp { margin: -45px -20px 42px; padding: 15px 17px; }
  .document-stamp span,
  .document-stamp b { font-size: 14px; }
  .opinion h1 { font-size: 2.15rem; }
  .opinion h2 { margin-top: 52px; padding-top: 22px; font-size: 1.32rem; }
  .opinion h3 { margin-top: 38px; font-size: 1.13rem; }
  .opinion p,
  .opinion li { font-size: 22px; line-height: 1.6; }
  .opinion p { text-align: left; }
  footer { margin-top: 62px; flex-direction: column; }
  footer p,
  footer a { font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}