:root {
  --paper: #ece7db;
  --paper-deep: #ded6c5;
  --ink: #1c1b17;
  --muted: #6f695e;
  --line: rgba(28, 27, 23, .24);
  --blood: #8f2e28;
  --blood-dark: #5c211e;
  --night: #1d1d1a;
  --night-soft: #272722;
  --bone: #f2ede2;
  --ochre: #b59a62;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, serif;
  --sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(28, 27, 23, .032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 27, 23, .025) 1px, transparent 1px),
    var(--paper);
  background-size: 32px 32px;
  font-family: var(--sans);
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  z-index: 10;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.95' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.18'/%3E%3C/svg%3E");
  opacity: .13;
  pointer-events: none;
  content: "";
}

a {
  color: inherit;
  text-decoration-thickness: .08em;
  text-underline-offset: .18em;
}

a:hover {
  color: var(--blood);
}

a:focus-visible,
.skip-link:focus-visible {
  outline: 3px solid var(--blood);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 12px;
  left: 12px;
  padding: 8px 12px;
  color: var(--bone);
  background: var(--blood);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1500px, calc(100% - 48px));
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
  padding: 20px 0 16px;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.brand {
  font-weight: 900;
  text-decoration: none;
}

.site-header nav {
  display: flex;
  gap: 9px;
  color: var(--muted);
}

.site-header nav a {
  color: var(--ink);
}

article {
  overflow: clip;
}

.hero {
  position: relative;
  width: min(1500px, calc(100% - 48px));
  min-height: 790px;
  margin: 0 auto;
  padding: 66px 0 90px;
}

.hero::after {
  position: absolute;
  z-index: -1;
  top: 44px;
  right: -13vw;
  width: min(60vw, 870px);
  aspect-ratio: 1;
  border: 1px solid rgba(143, 46, 40, .34);
  border-radius: 50%;
  box-shadow: inset 0 0 0 11vw rgba(143, 46, 40, .035), inset 0 0 0 19vw rgba(143, 46, 40, .025);
  content: "";
}

.hero-rule {
  display: grid;
  grid-template-columns: auto minmax(60px, 340px) auto;
  align-items: center;
  gap: 14px;
  max-width: 560px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
}

.hero-rule i {
  height: 1px;
  background: var(--line);
}

.kicker,
.section-label {
  margin: 36px 0 15px;
  color: var(--blood);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 1100px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(70px, 9.8vw, 160px);
  font-weight: 900;
  letter-spacing: -.09em;
  line-height: .94;
  text-wrap: balance;
}

.hero h1 em {
  color: var(--blood);
  font-style: normal;
}

.hero-deck {
  max-width: 680px;
  margin: 36px 0 0;
  color: #4a463e;
  font-family: var(--serif);
  font-size: clamp(18px, 2vw, 25px);
  line-height: 1.65;
}

.verdict {
  display: grid;
  grid-template-columns: minmax(110px, .6fr) minmax(430px, 1.3fr) minmax(220px, .75fr);
  align-items: end;
  gap: 28px;
  margin-top: 76px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 23px 0 27px;
}

.verdict p {
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
}

.verdict > strong {
  color: var(--blood);
  font-family: var(--serif);
  font-size: clamp(70px, 10vw, 150px);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.08em;
  line-height: .72;
  white-space: nowrap;
}

.verdict > strong span {
  font-family: var(--sans);
  font-size: .22em;
  font-weight: 800;
  letter-spacing: .04em;
}

.verdict div {
  display: grid;
  gap: 4px;
  margin-bottom: 13px;
}

.verdict div b {
  font-family: var(--serif);
  font-size: 19px;
}

.verdict div small {
  color: var(--muted);
}

.lede,
.estimate-section,
.sources {
  display: grid;
  grid-template-columns: minmax(70px, 180px) minmax(0, 900px);
  justify-content: center;
  gap: clamp(30px, 6vw, 100px);
  width: min(1300px, calc(100% - 48px));
  margin: 0 auto;
  padding: 130px 0 150px;
}

.section-number {
  padding-top: 7px;
  color: var(--blood);
  font-family: var(--mono);
  font-size: 13px;
}

.section-number::after {
  display: block;
  width: 100%;
  height: 1px;
  margin-top: 15px;
  background: var(--blood);
  content: "";
}

.section-body > .section-label:first-child {
  margin-top: 0;
}

h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(38px, 5vw, 68px);
  letter-spacing: -.055em;
  line-height: 1.14;
  text-wrap: balance;
}

.section-body > p:not(.section-label),
.scene-grid p,
.responsibility p,
.scene-intro > p:last-child {
  max-width: 70ch;
  color: #3f3b34;
  font-size: 17px;
  line-height: 2;
  text-wrap: pretty;
}

.section-body .lead {
  margin: 44px 0 26px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(22px, 2.2vw, 29px);
  line-height: 1.75;
}

.lead strong {
  color: var(--blood-dark);
}

.bottom-line {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 22px;
  margin-top: 46px;
  border-top: 4px solid var(--blood);
  padding: 24px 0;
}

.bottom-line > span {
  color: var(--blood);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .1em;
}

.bottom-line p {
  margin: 0;
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.8;
}

.bottom-line b {
  color: var(--blood);
  font-family: var(--mono);
}

.scene-section {
  color: var(--bone);
  background:
    radial-gradient(circle at 82% 8%, rgba(143, 46, 40, .2), transparent 34%),
    linear-gradient(112deg, transparent 72%, rgba(181, 154, 98, .06) 72%),
    var(--night);
  padding: 120px max(24px, calc((100vw - 1500px) / 2)) 150px;
}

.section-label.light {
  color: #cf9d78;
}

.scene-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, .65fr);
  align-items: end;
  gap: 50px;
  border-bottom: 1px solid rgba(242, 237, 226, .22);
  padding-bottom: 54px;
}

.scene-intro .section-label {
  grid-column: 1 / -1;
  margin: 0 0 -20px;
}

.scene-intro > p:last-child {
  margin: 0;
  color: #bdb7ac;
  font-size: 15px;
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
}

.scene-grid section {
  position: relative;
  min-height: 660px;
  border-right: 1px solid rgba(242, 237, 226, .18);
  padding: 62px clamp(25px, 3.2vw, 56px) 20px 0;
}

.scene-grid section + section {
  padding-left: clamp(25px, 3.2vw, 56px);
}

.scene-grid section:last-child {
  border-right: 0;
  padding-right: 0;
}

.scene-index {
  display: block;
  margin-bottom: 58px;
  color: #cf9d78;
  font-family: var(--mono);
  font-size: 12px;
}

.scene-grid h3 {
  margin: 0 0 28px;
  font-family: var(--serif);
  font-size: clamp(24px, 2.2vw, 34px);
  line-height: 1.45;
}

.scene-grid p {
  color: #c9c3b8;
  font-size: 15px;
  line-height: 1.95;
}

.estimate-section {
  padding-bottom: 120px;
}

.estimate-table {
  margin-top: 58px;
  border-top: 2px solid var(--ink);
}

.estimate-row {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) 100px;
  align-items: start;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  padding: 25px 0;
}

.estimate-row.heading {
  padding: 11px 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .1em;
}

.estimate-row > strong {
  color: var(--blood-dark);
  font-family: var(--mono);
  font-size: 20px;
  font-variant-numeric: tabular-nums;
}

.estimate-row > span {
  color: #464138;
  font-size: 14px;
  line-height: 1.8;
}

.grade {
  display: inline-block;
  justify-self: start;
  border: 1px solid currentColor;
  padding: 4px 8px;
  font-size: 11px;
  letter-spacing: .06em;
  line-height: 1.3;
}

.grade.floor { color: #6c665c; }
.grade.strong { color: #2f6750; }
.grade.usable { color: var(--blood); }
.grade.weak { color: #8a7950; }

.calculation {
  display: grid;
  grid-template-columns: 1.2fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 13px;
  margin-top: 66px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .16);
  padding: 28px;
}

.calculation > p {
  grid-column: 1 / -1;
  margin: 0 0 10px;
  color: var(--blood);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .1em;
}

.calculation div {
  display: grid;
  gap: 2px;
}

.calculation span {
  font-family: var(--mono);
  font-size: clamp(19px, 2.3vw, 29px);
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.calculation i {
  color: var(--muted);
  font-size: 10px;
  font-style: normal;
}

.calculation > b {
  color: var(--muted);
  font-size: 18px;
}

.calculation .result span {
  color: var(--blood);
}

.section-body .method-note {
  margin-top: 26px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.responsibility {
  color: var(--bone);
  background: var(--blood-dark);
  padding: 120px max(24px, calc((100vw - 1280px) / 2)) 130px;
}

.responsibility-head {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 40px;
  border-bottom: 1px solid rgba(242, 237, 226, .3);
  padding-bottom: 55px;
}

.responsibility-head .section-label {
  margin: 12px 0 0;
}

.responsibility ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.responsibility li {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 40px;
  border-bottom: 1px solid rgba(242, 237, 226, .24);
  padding: 46px 0 51px;
}

.responsibility li > span {
  color: #d4a58c;
  font-family: var(--mono);
  font-size: 12px;
}

.responsibility h3 {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 29px;
}

.responsibility p {
  margin: 0;
  color: #e0cec3;
  font-size: 16px;
  line-height: 1.95;
}

.sources {
  padding-bottom: 100px;
}

.source-list {
  margin: 52px 0 0;
  border-top: 2px solid var(--ink);
  padding: 0;
  list-style: none;
}

.source-list li {
  display: grid;
  grid-template-columns: 45px minmax(0, 1fr);
  gap: 18px;
  border-bottom: 1px solid var(--line);
  padding: 18px 0 20px;
}

.source-list span {
  padding-top: 4px;
  color: var(--blood);
  font-family: var(--mono);
  font-size: 11px;
}

.source-list p {
  margin: 0;
  color: #4c473f;
  font-size: 14px;
  line-height: 1.75;
}

.source-list a {
  color: var(--ink);
  font-weight: 750;
}

.section-body .revision-note {
  margin-top: 34px;
  border-left: 3px solid var(--ochre);
  padding-left: 16px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  border-top: 1px solid rgba(242, 237, 226, .18);
  padding: 34px max(24px, calc((100vw - 1500px) / 2));
  color: #bdb6aa;
  background: var(--night);
  font-size: 12px;
  letter-spacing: .04em;
}

footer a {
  color: var(--bone);
  font-weight: 800;
}

footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .hero {
    min-height: auto;
  }

  .verdict {
    grid-template-columns: 1fr 2fr;
  }

  .verdict > p {
    grid-column: 1 / -1;
  }

  .verdict div {
    align-self: end;
  }

  .scene-intro,
  .responsibility-head {
    grid-template-columns: 1fr;
  }

  .scene-grid {
    grid-template-columns: 1fr;
  }

  .scene-grid section,
  .scene-grid section + section,
  .scene-grid section:last-child {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid rgba(242, 237, 226, .18);
    padding: 46px 0 55px;
  }

  .scene-index {
    margin-bottom: 25px;
  }

  .calculation {
    grid-template-columns: 1fr auto 1fr;
  }

  .calculation .result {
    grid-column: 3;
  }
}

@media (max-width: 700px) {
  .site-header,
  .hero,
  .lede,
  .estimate-section,
  .sources {
    width: min(100% - 30px, 100%);
  }

  .site-header {
    align-items: flex-start;
    gap: 20px;
  }

  .site-header nav {
    justify-content: flex-end;
    flex-wrap: wrap;
  }

  .hero {
    padding: 42px 0 70px;
  }

  .hero h1 {
    font-size: clamp(56px, 18vw, 92px);
  }

  .hero-deck {
    margin-top: 28px;
    font-size: 18px;
  }

  .verdict {
    display: block;
    margin-top: 50px;
  }

  .verdict > strong {
    display: block;
    margin: 28px 0 34px;
    font-size: clamp(70px, 24vw, 115px);
  }

  .lede,
  .estimate-section,
  .sources {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 82px 0 90px;
  }

  .section-number {
    width: 72px;
  }

  h2 {
    font-size: clamp(36px, 12vw, 54px);
  }

  .section-body > p:not(.section-label) {
    font-size: 15px;
  }

  .section-body .lead {
    font-size: 21px;
  }

  .bottom-line {
    grid-template-columns: 1fr;
  }

  .scene-section,
  .responsibility {
    padding-block: 82px 90px;
  }

  .scene-intro {
    gap: 28px;
  }

  .scene-intro .section-label {
    margin-bottom: 0;
  }

  .estimate-row,
  .estimate-row.heading {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .estimate-row.heading {
    display: none;
  }

  .estimate-row {
    padding: 25px 0 29px;
  }

  .calculation {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 22px;
  }

  .calculation > b,
  .calculation .result {
    grid-column: 1;
  }

  .responsibility-head,
  .responsibility li {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .responsibility h3 {
    font-size: 25px;
  }

  footer {
    flex-direction: column;
  }
}

@media print {
  body {
    background: #fff;
  }

  body::before {
    display: none;
  }

  .scene-section,
  .responsibility,
  footer {
    color: #111;
    background: #fff;
  }

  .scene-grid p,
  .responsibility p,
  footer,
  footer a {
    color: #333;
  }

  a {
    text-decoration: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}