/* racingpc.jp — PITCREW "Tuning Book" redesign
   Production stylesheet. Palette: works livery — paper white base,
   blue #16349C / red #E33622 / black #141414 graphics.
   Display: Anton (+ skew) & Noto Sans JP 900 (Google CDN, swap for
   self-hosted subsets if preferred); data: JetBrains Mono (self-hosted);
   entry bodies: Helvetica. */

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/jetbrains-mono-400-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('fonts/jetbrains-mono-700-latin.woff2') format('woff2');
}

:root {
  --paper:  #F7F5EF;
  --paper2: #ECE8DC;
  --card:   #FFFFFF;
  --ink:    #141414;
  --grey:   #4A4740;
  --line:   #9B958A;
  --blue:   #16349C;
  --blue-soft: #8F9BC9;
  --red:    #E33622;

  --f-display: 'Anton', 'Arial Narrow', sans-serif;
  --f-jp:      'Noto Sans JP', sans-serif;
  --f-mono:    'JetBrains Mono', ui-monospace, monospace;
  --f-body:    'Helvetica Neue', Helvetica, Arial, sans-serif;
  --f-serif:   Georgia, 'Times New Roman', serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--blue); }
a:hover { color: var(--red); }
::selection { background: var(--blue); color: var(--paper); }
:focus-visible { outline: 3px solid var(--red); outline-offset: 2px; }

.wrap { max-width: 1160px; margin: 0 auto; padding-left: 32px; padding-right: 32px; }

/* ---------- top ticker ---------- */
.ticker {
  background: var(--ink);
  color: var(--paper);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 7px 20px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}
.ticker__hozon { color: var(--red); }

/* ---------- masthead ---------- */
.masthead {
  position: relative;
  border-bottom: 4px solid var(--ink);
  background: repeating-linear-gradient(-58deg,
    var(--paper) 0, var(--paper) 260px,
    var(--paper2) 260px, var(--paper2) 278px);
}
.masthead__rail {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 22px;
  background: repeating-linear-gradient(180deg,
    var(--blue) 0 28px, var(--paper) 28px 38px,
    var(--red) 38px 66px, var(--paper) 66px 76px);
}
.masthead__inner { padding-top: 34px; padding-bottom: 26px; }
.masthead__row {
  display: flex;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
}
.masthead__kana {
  font-family: var(--f-jp);
  font-weight: 900;
  font-size: 17px;
  color: var(--red);
  letter-spacing: 0.3em;
}
.masthead__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(72px, 10vw, 128px);
  line-height: 0.95;
  color: var(--blue);
  transform: skewX(-8deg);
  letter-spacing: 0.01em;
  text-shadow: 5px 5px 0 var(--ink);
}
.masthead__plates { display: flex; flex-direction: column; gap: 7px; padding-bottom: 10px; }
.plate {
  width: fit-content;
}
.plate--red {
  background: var(--red);
  color: var(--paper);
  font-family: var(--f-display);
  font-size: 24px;
  padding: 5px 12px;
  transform: skewX(-8deg);
}
.plate--black {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--f-mono);
  font-size: 12px;
  padding: 5px 12px;
  letter-spacing: 0.08em;
}

/* ---------- tucked editor's note ---------- */
.note { margin-top: 14px; max-width: 72ch; }
.note summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--f-mono);
  font-size: 11.5px;
  color: var(--grey);
  letter-spacing: 0.05em;
}
.note summary::-webkit-details-marker { display: none; }
.note__cta { color: var(--red); text-decoration: underline; }
.note[open] .note__cta-plus::after { content: "－"; }
.note__body {
  margin-top: 14px;
  border: 1.5px solid var(--ink);
  background: var(--card);
  padding: 18px 20px;
  font-family: var(--f-serif);
  font-size: 14.5px;
  line-height: 1.75;
}
.note__body p { margin: 0 0 14px; }
.note__body p:last-child { margin-bottom: 0; }

/* ---------- contents + tag index nav ---------- */
.indexnav {
  border-bottom: 4px solid var(--ink);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 20;
}
.indexnav__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.indexnav__col { padding: 14px 0; }
.indexnav__col--contents { border-right: 2px solid var(--ink); padding-right: 32px; }
.indexnav__col--tags { padding-left: 32px; }
.indexnav__head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.indexnav__kanji {
  color: var(--paper);
  font-family: var(--f-jp);
  font-weight: 900;
  font-size: 12px;
  padding: 2px 8px;
}
.indexnav__kanji--blue { background: var(--blue); }
.indexnav__kanji--red { background: var(--red); }
.indexnav__label { font-family: var(--f-display); font-size: 16px; color: var(--ink); }
.toc { display: flex; flex-direction: column; gap: 5px; }
.toc__row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 12.5px;
  color: var(--ink);
  text-decoration: none;
}
.toc__row:hover { color: var(--red); }
.toc__num { color: var(--red); font-weight: 700; }
.toc__name { font-weight: 700; }
.toc__leader { flex: 1; border-bottom: 1px dotted var(--line); }
.tagcloud { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-btn {
  border: 1.5px solid var(--ink);
  padding: 4px 9px;
  font-family: var(--f-mono);
  font-size: 11px;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
}
.tag-btn:hover { background: var(--blue); color: var(--paper); border-color: var(--blue); }
.tag-btn[aria-pressed="true"] { background: var(--red); color: var(--paper); border-color: var(--red); }
.tag-btn--all { background: var(--ink); color: var(--paper); }
.tag-btn--all:hover { background: var(--blue); }

/* full tag drawer */
.tagdrawer {
  display: none;
  border-top: 2px solid var(--ink);
  background: var(--paper2);
}
.tagdrawer--open { display: block; }
.tagdrawer__inner { padding: 12px 0; display: flex; flex-wrap: wrap; gap: 6px; }

/* filter status bar */
.filterbar {
  display: none;
  background: var(--red);
  color: var(--paper);
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}
.filterbar--on { display: block; }
.filterbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
}
.filterbar__clear {
  border: 1.5px solid var(--paper);
  background: transparent;
  color: var(--paper);
  font-family: var(--f-mono);
  font-size: 11px;
  padding: 3px 10px;
  cursor: pointer;
}
.filterbar__clear:hover { background: var(--paper); color: var(--red); }

/* ---------- year section slug ---------- */
.slug {
  border-bottom: 2px solid var(--ink);
  scroll-margin-top: 130px;
}
.slug__inner { display: flex; align-items: center; gap: 0; }
.slug__plate {
  background: var(--blue);
  color: var(--paper);
  font-family: var(--f-display);
  font-size: 32px;
  padding: 9px 20px;
  transform: skewX(-8deg);
}
.slug--final .slug__plate { background: var(--red); }
.slug__kana {
  font-family: var(--f-jp);
  font-weight: 900;
  font-size: 15px;
  padding: 0 16px;
}
.slug__meta {
  margin-left: auto;
  font-family: var(--f-mono);
  font-size: 11.5px;
  color: var(--grey);
  text-align: right;
}

/* ---------- entry grid ---------- */
.entries {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 20px;
  padding-bottom: 28px;
}
.entry-card {
  border: 1.5px solid var(--ink);
  background: var(--card);
  display: flex;
  flex-direction: column;
}
.entry-card--hidden { display: none; }
.entry-card__media { position: relative; }
.entry-card__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--paper2);
}
.entry-card__img--story { object-position: center 25%; }
.entry-card__no {
  position: absolute;
  top: 0; left: 0;
  color: #fff;
  font-family: var(--f-display);
  font-size: 16px;
  padding: 3px 10px;
}
.entry-card__no--red { background: var(--red); }
.entry-card__no--black { background: var(--ink); }
.entry-card__badge {
  position: absolute;
  right: 8px; bottom: 8px;
  color: #fff;
  font-family: var(--f-mono);
  font-size: 10px;
  padding: 3px 8px;
  letter-spacing: 0.08em;
  border: 0;
  cursor: default;
}
.entry-card__badge--blue { background: var(--blue); cursor: pointer; }
.entry-card__badge--black { background: var(--ink); }
.entry-card__video video {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--ink);
  display: block;
}
.entry-card__body-wrap {
  padding: 11px 13px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.entry-card__head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 10.5px;
  color: var(--grey);
  margin-bottom: 6px;
}
.entry-card__date { font-weight: 700; color: var(--blue); }
.entry-card__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.55;
  white-space: pre-line;
}
.entry-card__tags {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--red);
  word-break: break-word;
}

/* carousel strip */
.entry-card__strip {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--paper2);
  border-top: 1.5px solid var(--ink);
  overflow-x: auto;
  scrollbar-width: thin;
}
.strip-btn {
  flex: 0 0 auto;
  padding: 0;
  border: 2px solid transparent;
  background: none;
  cursor: pointer;
  line-height: 0;
}
.strip-btn img { height: 48px; width: auto; }
.strip-btn--active { border-color: var(--red); }
.strip-btn:hover { border-color: var(--blue); }
.strip-btn--active:hover { border-color: var(--red); }

/* ---------- lightbox modal ---------- */
.entries .entry-card { cursor: zoom-in; }
.body--lightbox { overflow: hidden; }
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.lightbox--open { display: flex; }
.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 20, 20, 0.72);
  cursor: zoom-out;
}
.lightbox__panel {
  position: relative;
  width: min(860px, 100%);
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  box-shadow: 8px 8px 0 rgba(20, 20, 20, 0.55);
}
.lightbox__close {
  position: sticky;
  top: 0;
  z-index: 2;
  display: block;
  margin-left: auto;
  border: 0;
  border-left: 1.5px solid var(--ink);
  border-bottom: 1.5px solid var(--ink);
  background: var(--red);
  color: #fff;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 8px 14px;
  cursor: pointer;
}
.lightbox__close:hover { background: var(--ink); }
.lightbox__slot .entry-card--zoom {
  border: 0;
  margin-top: -33px; /* tuck media under the sticky CLOSE tab row */
}
.entry-card--zoom .entry-card__img,
.entry-card--zoom video {
  aspect-ratio: auto;
  max-height: 62vh;
  object-fit: contain;
  background: var(--paper2);
}
.entry-card--zoom .entry-card__no {
  font-size: 20px;
  padding: 4px 14px;
}
.entry-card--zoom .entry-card__body-wrap { padding: 16px 20px 20px; }
.entry-card--zoom .entry-card__head { font-size: 12px; margin-bottom: 10px; }
.entry-card--zoom .entry-card__text { font-size: 16px; line-height: 1.6; }
.entry-card--zoom .entry-card__tags { font-size: 11.5px; padding-top: 14px; }
.entry-card--zoom .strip-btn img { height: 64px; }

/* ---------- footer ---------- */
.footer { background: var(--ink); color: var(--paper); margin-top: 12px; }
.footer__stripes { display: flex; }
.footer__stripes span:nth-child(1) { flex: 1; height: 10px; background: var(--blue); }
.footer__stripes span:nth-child(2) { flex: 0 0 160px; height: 10px; background: var(--red); }
.footer__stripes span:nth-child(3) { flex: 0 0 80px; height: 10px; background: var(--paper); }
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 18px;
  padding-bottom: 18px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}
.footer__fin { color: var(--blue-soft); }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .entries { grid-template-columns: repeat(2, 1fr); }
  .slug__kana { display: none; }
}
@media (max-width: 720px) {
  .wrap { padding-left: 16px; padding-right: 16px; }
  .ticker { font-size: 9.5px; gap: 8px; }
  .indexnav { position: static; }
  .indexnav__grid { grid-template-columns: 1fr; }
  .indexnav__col--contents { border-right: 0; border-bottom: 2px solid var(--ink); padding-right: 0; }
  .indexnav__col--tags { padding-left: 0; }
  .slug { scroll-margin-top: 0; }
  .masthead__title { text-shadow: 3px 3px 0 var(--ink); }
}
@media (max-width: 560px) {
  .entries { grid-template-columns: 1fr; }
  .slug__inner { flex-wrap: wrap; }
  .slug__meta { padding: 6px 0; }
}