/*
 * kura.css
 * Stylesheet for KURA, Kiroshi Opticals' data service: plain system fonts
 * and the company's own colours. It shares nothing with the Foundation's
 * site styles.
 *
 * Created: 2026-11-03
 * Last modified: 2026-11-03
 */

:root {
  --paper: #ffffff; --ink: #1b1d21; --ink-2: #4f545b; --rule: #c7cbd1; --tint: #eef0f3; --tint-2: #e1e4e8;
  --shu: #b3261e; --shu-text: #a8231c; --focus: #1d4ed8; --margin: clamp(1rem, 4vw, 2.5rem);
  --sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --mono: ui-monospace, 'SFMono-Regular', Menlo, Consolas, 'Liberation Mono', monospace;
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--paper); color: var(--ink); }
body { margin: 0; font-family: var(--sans); font-size: 1rem; line-height: 1.5; background: var(--paper); color: var(--ink); }
a { color: var(--ink); text-decoration-color: var(--shu); text-underline-offset: 0.2em; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
main:focus { outline: none; }
svg { display: block; max-width: 100%; height: auto; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link { position: absolute; left: 1rem; top: -10rem; background: var(--ink); color: var(--paper); padding: 0.6rem 1rem; z-index: 10; }
.skip-link:focus { top: 1rem; }
.table-scroll { overflow-x: auto; margin-bottom: 1.25rem; }
table.data { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.data caption { text-align: left; font-weight: 700; padding-bottom: 0.5rem; }
.data th, .data td { text-align: left; padding: 0.5rem 0.75rem 0.5rem 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.data thead th { border-bottom: 2px solid var(--ink); }
.data .num { text-align: right; }
.data-notes { font-size: 0.875rem; color: var(--ink-2); max-width: 46em; }
.draw-ink { stroke: var(--ink); fill: none; } .draw-ink-fill { fill: var(--ink); } .draw-paper { fill: var(--paper); }
.draw-tint { fill: var(--tint-2); } .draw-rule { stroke: var(--rule); fill: none; } .draw-shu { stroke: var(--shu); fill: none; }
.draw-shu-fill { fill: var(--shu); } .draw-grey { stroke: var(--ink-2); fill: none; } .draw-grey-fill { fill: var(--ink-2); }
.draw-text { fill: var(--ink); font-family: var(--sans); }
.kura-denied { font-weight: 700; color: var(--shu-text); padding-top: 2rem; }
.kura-stamp-back { fill: var(--paper); opacity: 0.92; }
@media (max-width: 40em) {
  .kura-label { font-size: 21px; }
  .kura-label-back { height: 28px; transform: translateY(-10px); }
  .kura-mono { font-size: 17px; }
  .kura-stamp-back { height: 26px; transform: translateY(-6px); }
}

/* ---------- KURA (internal data service) ---------- */

body.kura { font-family: var(--sans); }
.kura-bar { background: var(--ink); color: var(--paper); }
.kura-bar__inner { max-width: 72rem; margin: 0 auto; padding: 0.75rem var(--margin); display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 2rem; }
.kura-bar__name { margin: 0; font-weight: 700; letter-spacing: 0.08em; }
.kura-bar__name [lang='ja'] { color: var(--paper); font-weight: 700; margin-right: 0.25rem; }
.kura-bar__sub { font-weight: 400; letter-spacing: 0; opacity: 0.85; margin-left: 0.5rem; }
.kura-bar a { color: var(--paper); text-decoration-color: var(--shu); }
.kura-nav ul { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; list-style: none; margin: 0; padding: 0; }
.kura-nav a[aria-current] { text-decoration-thickness: 3px; }
.kura-bar__user { margin: 0 0 0 auto; font-size: 0.875rem; display: flex; align-items: center; gap: 0.75rem; }
.kura-bar .kura-button--quiet { color: var(--paper); border-color: var(--paper); background: transparent; }
.kura-training { background: var(--shu); color: #fff; font-weight: 700; padding: 0.5rem var(--margin); text-align: center; }
.kura-wrap { max-width: 72rem; margin: 0 auto; padding: 2rem var(--margin) 4rem; }
.kura-title { font-family: var(--mono); font-weight: 700; font-size: 1.75rem; letter-spacing: 0; margin-bottom: 0.5rem; }
.kura-h2 { font-family: var(--mono); font-weight: 700; font-size: 1.25rem; margin-top: 2.25rem; }
.kura-meta, .kura-small { color: var(--ink-2); font-size: 0.875rem; }
.kura .data caption { font-family: var(--mono); font-size: 1rem; }
.kura .data { font-size: 0.875rem; }
.kura-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border: 1px solid var(--ink); margin: 1.5rem 0; }
.kura-stats div { display: flex; flex-direction: column; padding: 1rem; border-right: 1px solid var(--rule); min-width: 0; }
.kura-stats div:last-child { border-right: 0; }
.kura-stats dd { order: -1; margin: 0 0 0.25rem; font-size: clamp(1rem, 2.4vw, 1.5rem); font-weight: 700; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.kura-stats dt { font-size: 0.8125rem; color: var(--ink-2); }
@media (max-width: 47.5em) { .kura-stats { grid-template-columns: 1fr; } .kura-stats div { border-right: 0; border-bottom: 1px solid var(--rule); } }
.kura-signin { max-width: 30rem; }
.kura-form { display: grid; gap: 1rem; margin: 1.5rem 0; }
.kura-field label { display: block; font-weight: 700; margin-bottom: 0.3rem; }
.kura-field input { font: inherit; width: 100%; padding: 0.6rem 0.75rem; border: 2px solid var(--ink); background: var(--paper); color: var(--ink); border-radius: 0; text-transform: uppercase; }
.kura-button { font: inherit; font-weight: 700; padding: 0.55rem 1.1rem; border: 2px solid var(--ink); background: var(--ink); color: var(--paper); cursor: pointer; justify-self: start; }
.kura-button--quiet { background: var(--paper); color: var(--ink); padding: 0.2rem 0.6rem; }
.kura-error { color: var(--shu-text); font-weight: 700; margin: 0; }
.kura-frames { list-style: none; margin: 1.5rem 0 0; padding: 0; display: grid; gap: 2.5rem; }
.kura-frame { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 1.5rem; border-top: 1px solid var(--ink); padding-top: 1.25rem; }
.kura-frame__figure { margin: 0; }
.kura-frame__figure svg { width: 100%; height: auto; border: 1px solid var(--rule); }
.kura-frame__id { font-size: 0.8125rem; color: var(--ink-2); margin-top: 0.5rem; }
.kura-frame__meta { margin: 0; font-size: 0.875rem; }
.kura-frame__meta div { display: grid; grid-template-columns: 8rem minmax(0, 1fr); gap: 0.5rem; padding: 0.35rem 0; border-bottom: 1px solid var(--rule); }
.kura-frame__meta dt { color: var(--ink-2); }
.kura-frame__meta dd { margin: 0; }
@media (max-width: 47.5em) { .kura-frame { grid-template-columns: 1fr; } }
.kura-label { fill: #ffffff; font-family: var(--mono); font-weight: 700; letter-spacing: 0.02em; }
.kura-mono { font-family: var(--mono); }
.kura-docs { list-style: none; margin: 1.5rem 0 0; padding: 0; border-top: 1px solid var(--ink); }
.kura-docs li { padding: 0.9rem 0; border-bottom: 1px solid var(--rule); display: flex; flex-direction: column; gap: 0.2rem; }
.kura-docs span { font-size: 0.8125rem; color: var(--ink-2); }
.kura-doc { max-width: 44rem; }
.kura-doc__kind { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.8125rem; color: var(--shu-text); font-weight: 700; margin: 1rem 0 0.25rem; }
.kura-doc__head { margin: 1rem 0 1.5rem; font-size: 0.875rem; border-top: 1px solid var(--ink); }
.kura-doc__head div { display: grid; grid-template-columns: 4rem minmax(0, 1fr); gap: 0.5rem; padding: 0.35rem 0; border-bottom: 1px solid var(--rule); }
.kura-doc__head dt { color: var(--ink-2); }
.kura-doc__head dd { margin: 0; }
.kura-annex { margin-top: 2rem; padding: 1rem 1.25rem; border: 1px dashed var(--ink); }
.kura-annex .kura-h2 { margin-top: 0; font-size: 1rem; }