:root {
  --ink: #283347;
  --paper: #f4f0e8;
  --amber: #f5c85b;
  --blue: #a9c5d5;
  --red: #9e4538;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font:
    16px/1.68 Arial,
    sans-serif;
}
a {
  color: inherit;
}
img {
  width: 100%;
  display: block;
  object-fit: cover;
}
.archive-head {
  display: grid;
  grid-template-columns: auto 1fr;
  border-bottom: 1px solid var(--ink);
}
.archive-logo {
  padding: 1.2rem 3vw;
  background: var(--ink);
  color: white;
  font-weight: 900;
  text-decoration: none;
}
.archive-head nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 2rem;
  padding: 1rem 3vw;
}
.archive-head nav a {
  text-decoration: none;
}
.record-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  min-height: 680px;
  border-bottom: 1px solid var(--ink);
}
.record-copy {
  padding: clamp(4rem, 9vw, 9rem) 6vw;
}
.index-label {
  font:
    800 0.78rem Consolas,
    monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1,
h2 {
  margin: 0.8rem 0 1.2rem;
  line-height: 1.02;
  letter-spacing: -0.045em;
}
h1 {
  font-size: clamp(3.3rem, 7vw, 7rem);
}
h2 {
  font-size: clamp(2.2rem, 4vw, 4.5rem);
}
.record-copy p {
  max-width: 45rem;
  font-size: 1.18rem;
}
.record-hero img {
  height: 100%;
}
.scope-table {
  padding: 5rem 6vw;
}
.scope-row {
  display: grid;
  grid-template-columns: 15rem 1fr 12rem;
  gap: 2rem;
  padding: 1.4rem 0;
  border-top: 1px solid var(--ink);
}
.scope-row:last-child {
  border-bottom: 1px solid var(--ink);
}
.method {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  background: var(--blue);
}
.method img {
  min-height: 600px;
}
.method-copy {
  padding: 6rem 6vw;
}
.method-list {
  counter-reset: method;
  padding: 0;
  list-style: none;
}
.method-list li {
  counter-increment: method;
  margin: 1.4rem 0;
  padding-left: 3rem;
  position: relative;
}
.method-list li::before {
  content: counter(method);
  position: absolute;
  left: 0;
  width: 2rem;
  height: 2rem;
  border: 1px solid;
  display: grid;
  place-items: center;
  border-radius: 50%;
}
.mission-record {
  padding: 6rem 8vw;
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 6vw;
}
.mission-record blockquote {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1.15;
  color: var(--red);
}
.direct-contact {
  margin: 0 4vw 4rem;
  padding: 3rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
  background: var(--amber);
  border: 1px solid var(--ink);
}
.direct-contact a {
  font-size: 1.2rem;
  font-weight: 900;
}
.archive-footer {
  padding: 2rem 4vw;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  background: var(--ink);
  color: white;
}
.archive-footer nav {
  display: flex;
  gap: 1rem;
}
.notice-tab {
  position: fixed;
  right: 0;
  bottom: 2rem;
  z-index: 8;
  max-width: 390px;
  padding: 1.2rem;
  background: var(--paper);
  border: 1px solid var(--ink);
  border-right: 0;
}
.notice-tab button {
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--ink);
  background: var(--amber);
  font-weight: 800;
}
.file-heading {
  padding: 5rem 6vw;
  border-bottom: 1px solid var(--ink);
}
.file-heading h1 {
  max-width: 1050px;
  font-size: clamp(3rem, 6vw, 6rem);
}
.file-body {
  max-width: 1160px;
  margin: auto;
  padding: 4rem 5vw 7rem;
  display: grid;
  grid-template-columns: 1fr 17rem;
  gap: 7vw;
}
.file-body aside {
  padding-top: 1rem;
  border-top: 6px solid var(--amber);
}
@media (max-width: 760px) {
  .archive-head,
  .record-hero,
  .scope-row,
  .method,
  .mission-record,
  .direct-contact,
  .archive-footer,
  .file-body {
    grid-template-columns: 1fr;
  }
  .archive-head nav {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 0.8rem 1.2rem;
  }
  .notice-tab {
    max-width: calc(100% - 1rem);
  }
}