/* CalcJapan — "estimate document" stylesheet.
   Ivory paper, ink text, one restrained accent (vermillion).
   No webfonts, no libraries. Mobile-first. */

:root {
  --paper: #faf6ec;
  --sheet: #fffdf6;
  --ink: #23201a;
  --ink-soft: #57503f;
  --line: #d9cfb8;
  --line-dark: #a89a7c;
  --accent: #a33327;
  --accent-dark: #7e271b;
  --good: #2f5d3a;
  --good-bg: #eef3e6;
  --bad-bg: #f8ece5;
  --radius: 3px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

h1, h2, h3, .serif {
  font-family: Georgia, "Times New Roman", "Hiragino Mincho ProN", serif;
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink);
}

h1 { font-size: 1.9rem; margin: 0 0 .4em; }
h2 { font-size: 1.35rem; margin: 1.6em 0 .5em; border-bottom: 1px solid var(--line); padding-bottom: .25em; }
h3 { font-size: 1.08rem; margin: 1.3em 0 .4em; }

p { margin: .6em 0; }
a { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--accent); }

.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }

/* ---------- header / footer ---------- */

.site-head {
  border-bottom: 3px double var(--line-dark);
  background: var(--sheet);
}
.site-head .wrap {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 20px;
  padding-top: 14px; padding-bottom: 12px;
}
.brand {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.45rem; font-weight: 700; color: var(--ink); text-decoration: none;
  letter-spacing: .01em;
}
.brand .mark {
  display: inline-block; width: .62em; height: .62em;
  background: var(--accent); margin-right: .35em;
}
.brand small {
  display: block; font-family: -apple-system, "Segoe UI", sans-serif;
  font-size: .72rem; font-weight: 400; color: var(--ink-soft); letter-spacing: .04em;
}
.site-nav { margin-left: auto; display: flex; flex-wrap: wrap; gap: 2px 16px; font-size: .92rem; }
.site-nav a { color: var(--ink); text-decoration: none; }
.site-nav a:hover { color: var(--accent); text-decoration: underline; }

.site-foot {
  margin-top: 56px; border-top: 3px double var(--line-dark);
  background: var(--sheet); font-size: .85rem; color: var(--ink-soft);
}
.site-foot .wrap { padding-top: 18px; padding-bottom: 26px; }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 2px 14px; margin-bottom: 8px; }
.site-foot a { color: var(--ink-soft); }

main { padding-top: 26px; }

/* ---------- document furniture ---------- */

.kicker {
  font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 .4em; font-weight: 600;
}
.lede { font-size: 1.06rem; color: var(--ink-soft); }
.meta-line { font-size: .85rem; color: var(--ink-soft); margin: .2em 0 1em; }

.sheet {
  background: var(--sheet);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 18px 18px 8px;
  margin: 20px 0;
}
.sheet > h2:first-child, .sheet > h3:first-child { margin-top: 0; border: none; }

.note {
  border-left: 3px solid var(--accent);
  background: var(--bad-bg);
  padding: 10px 14px; margin: 16px 0; font-size: .94rem;
}
.keybox {
  border: 1px solid var(--line-dark);
  background: var(--sheet);
  padding: 14px 18px; margin: 20px 0;
}
.keybox p { margin: .3em 0; }

.small { font-size: .86rem; color: var(--ink-soft); }
.num { font-variant-numeric: tabular-nums; white-space: nowrap; }

/* ---------- tables (fare documents) ---------- */

.table-scroll { overflow-x: auto; margin: 14px 0; }
table.fares {
  width: 100%; border-collapse: collapse; font-size: .94rem;
  background: var(--sheet);
}
table.fares caption {
  text-align: left; font-size: .85rem; color: var(--ink-soft);
  padding: 0 0 6px; caption-side: top;
}
table.fares th, table.fares td {
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 7px 10px; text-align: left; vertical-align: top;
}
table.fares thead th {
  border-top: 2px solid var(--ink); border-bottom: 1px solid var(--ink);
  font-size: .8rem; letter-spacing: .05em; text-transform: uppercase; font-weight: 600;
}
table.fares td.yen, table.fares th.yen { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
table.fares tr.total td { border-top: 2px solid var(--ink); font-weight: 700; }

/* ---------- tool cards on home ---------- */

.tool-list { list-style: none; margin: 18px 0; padding: 0; }
.tool-list li {
  border: 1px solid var(--line-dark); background: var(--sheet);
  border-radius: var(--radius); padding: 14px 16px; margin: 0 0 12px;
}
.tool-list h3 { margin: 0 0 .25em; }
.tool-list h3 a { color: var(--ink); text-decoration: none; }
.tool-list h3 a:hover { color: var(--accent); text-decoration: underline; }
.tool-list p { margin: .2em 0; color: var(--ink-soft); font-size: .94rem; }
.tag {
  display: inline-block; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase;
  border: 1px solid var(--accent); color: var(--accent-dark);
  padding: 0 6px; border-radius: 2px; margin-bottom: 6px;
}
.tag.soon { border-color: var(--line-dark); color: var(--ink-soft); }

/* ---------- calculator ---------- */

.calc { background: var(--sheet); border: 1px solid var(--line-dark); border-radius: var(--radius); }
.calc-head {
  border-bottom: 1px solid var(--line); padding: 14px 18px 10px;
  display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: baseline;
}
.calc-head h2 { border: none; margin: 0; padding: 0; font-size: 1.2rem; }
.calc-head .small { margin-left: auto; }

.calc-body { padding: 16px 18px 6px; }
.field-row { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-bottom: 14px; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: .8rem; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-soft); font-weight: 600; }

select, input[type="number"] {
  font: inherit; font-size: .95rem; color: var(--ink);
  background: #fff; border: 1px solid var(--line-dark); border-radius: var(--radius);
  padding: 7px 9px; min-height: 40px;
}
select:focus, input:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.route-row {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: flex-end;
  border-top: 1px dashed var(--line); padding: 10px 0;
}
.route-row .grow { flex: 1 1 220px; display: flex; flex-direction: column; gap: 4px; }
.route-row label { font-size: .78rem; color: var(--ink-soft); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.route-row .fare-cell { font-size: .92rem; color: var(--ink-soft); padding-bottom: 9px; font-variant-numeric: tabular-nums; white-space: nowrap; }

button {
  font: inherit; cursor: pointer; border-radius: var(--radius);
  border: 1px solid var(--ink); background: var(--ink); color: var(--sheet);
  padding: 8px 14px; min-height: 40px; font-size: .93rem;
}
button.secondary { background: transparent; color: var(--ink); border-color: var(--line-dark); }
button.secondary:hover { border-color: var(--ink); }
button.remove {
  background: transparent; color: var(--accent-dark); border-color: var(--line);
  padding: 8px 11px;
}
button.remove:hover { border-color: var(--accent); }
.preset-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 10px; }
.preset-row span { font-size: .85rem; color: var(--ink-soft); align-self: center; }

.estimate {
  border-top: 2px solid var(--ink); margin: 8px 18px 0; padding: 14px 0 4px;
}
.estimate table { width: 100%; border-collapse: collapse; font-size: .97rem; }
.estimate td { padding: 5px 0; vertical-align: top; }
.estimate td.yen { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.estimate tr.grand td { border-top: 1px solid var(--ink); border-bottom: 3px double var(--ink); font-weight: 700; padding: 8px 0; }
.estimate tr.sub td { color: var(--ink-soft); font-size: .9rem; }

.verdict { margin: 16px 18px 18px; padding: 14px 16px; border: 1px solid var(--line-dark); }
.verdict .v-head { font-family: Georgia, serif; font-size: 1.25rem; font-weight: 700; margin: 0 0 .2em; }
.verdict p { margin: .25em 0; }
.verdict.yes { background: var(--good-bg); border-color: var(--good); }
.verdict.yes .v-head { color: var(--good); }
.verdict.no { background: var(--bad-bg); border-color: var(--accent); }
.verdict.no .v-head { color: var(--accent-dark); }
.verdict.even { background: var(--sheet); }
.verdict.even .v-head { color: var(--ink); }

/* ---------- sources ---------- */

.sources { font-size: .86rem; color: var(--ink-soft); }
.sources li { margin: .35em 0; }
.sources a { word-break: break-all; }

/* ---------- responsive ---------- */

@media (min-width: 720px) {
  h1 { font-size: 2.25rem; }
  body { font-size: 16.5px; }
  .sheet { padding: 24px 26px 12px; }
  .calc-body { padding: 18px 22px 8px; }
  .estimate { margin-left: 22px; margin-right: 22px; }
  .verdict { margin-left: 22px; margin-right: 22px; }
}

@media (max-width: 480px) {
  .site-nav { margin-left: 0; }
  .route-row .fare-cell { padding-bottom: 0; }
  select { max-width: 100%; }
}