/* Shared semantic page structure and reusable content components. */
:root {
  --ink: #23201a;
  --muted: #6e6456;
  --line: #e5ddcf;
  --paper: #faf8f3;
  --surface: #fff;
  --accent: #3c5786;
  --warning: #a34434;
  --page-width: 860px;
  --prose-width: 74ch;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 0 24px 96px;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.6 ui-sans-serif, system-ui, sans-serif;
}
main { max-width: var(--page-width); margin-inline: auto; }
h1 { font-size: clamp(30px, 5vw, 44px); margin: 6px 0 10px; }
h2 { font-size: 28px; margin: 28px 0 18px; }
h3 { font-size: 19px; margin: 32px 0 8px; }
h4 { font-size: 16.5px; margin: 24px 0 6px; }
p { margin: 8px 0 16px; }
li { margin-block: 6px; }
a { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
img { max-width: 100%; height: auto; }
code, kbd {
  padding: .1em .35em;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface);
  font: 85% ui-monospace, SFMono-Regular, Consolas, monospace;
}
table { width: 100%; border-collapse: collapse; margin-block: 18px; font-size: 14.5px; }
th, td { border: 1px solid var(--line); padding: 7px 10px; text-align: left; vertical-align: top; }
th { background: var(--surface); }

/* Masthead content ends before the rule: a slogan placed here stays above it. */
.masthead { padding: 56px 0 14px; border-bottom: 2px solid var(--ink); }
.masthead-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 240px);
  gap: 34px;
  align-items: center;
}
.brand-art { display: block; width: 100%; }
.kanji { font-size: 15px; letter-spacing: .5em; color: var(--muted); }
.lede { color: var(--muted); max-width: 62ch; }
.name-meaning { color: var(--muted); font-size: 13px; }
.masthead .name-meaning { margin: -7px 0 10px; }
.build-facts { display: flex; flex-wrap: wrap; gap: 4px 12px; margin-top: 14px; color: var(--muted); font-size: 13px; }
.build-facts > * + *::before { content: "·"; margin-right: 12px; }
.manifesto-teaser { margin-top: 12px; text-align: center; }
.manifesto-teaser p { margin: 0; }
.slogan { white-space: nowrap; font-size: 15px; }
.manifesto-teaser .manifesto-link { margin-top: 8px; }

/* The same centered action row serves cards and application pages. */
.actions { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 10px 18px; margin-block: 24px; }
.button { display: inline-block; padding: 8px 14px; border-radius: 5px; background: var(--accent); color: #fff; text-decoration: none; }
.technical-note { margin: -8px 0 22px; text-align: right; font-size: 13px; color: var(--muted); }
.technical-note a { color: inherit; }
.iphone-note { margin-block: 18px; color: var(--muted); }

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-block: 28px; }
.card { display: flex; flex-direction: column; padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.card-art { display: block; width: min(100%, 180px); margin: 0 auto 18px; }
.card h2 { margin: 0 0 2px; font-size: 20px; }
.card .jp { color: var(--muted); letter-spacing: .2em; }
.card .name-meaning { margin: -1px 0 8px; }
.card p { flex: 1; color: var(--muted); font-size: 14.5px; }
.card .actions { gap: 4px 10px; margin: 0; }
.collection { margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line); }
.collection > h2 { font-size: 22px; margin: 0 0 6px; }
.collection > p { color: var(--muted); max-width: 62ch; }
.collection[data-status="unfinished"] .card { border-style: dashed; }
.card .status { flex: 0; color: var(--warning); font-size: 13px; margin: 0; }

.notice, .about-note { padding: 14px 16px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); margin-block: 18px; }
.notice { border-left: 4px solid var(--warning); margin-block: 22px; padding: 10px 14px; }
.prose { max-width: var(--prose-width); margin-top: 22px; }
.prose > section + section { margin-top: 44px; padding-top: 26px; border-top: 2px solid var(--ink); }
.help { margin-top: 18px; padding-top: 26px; border-top: 2px solid var(--ink); }
.return-link { margin-top: 32px; }
.legal, .hint { color: var(--muted); }
.legal { font-size: 13px; }
footer { margin-top: 56px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }

@media (max-width: 760px) { .slogan { white-space: normal; } }
@media (max-width: 600px) {
  .masthead-layout { grid-template-columns: 1fr; gap: 20px; }
  .masthead-layout > .brand-art { grid-row: 1; width: 180px; justify-self: center; }
}