/* tsukijifishmarket.org — "Ichiba Board" design system
   Bento-grid visual variant (user-directed) on the blueprint's editorial bones.
   Warm = Tsukiji · Cool ice = Toyosu. See tsukiji-fish-market/DESIGN-BRIEF.md */

:root {
  --bg:        #faf8f4;   /* warm paper */
  --bg-alt:    #f3efe7;
  --border:    #e2dccf;
  --text:      #1b1a17;
  --muted:     #5c574d;
  --tuna:      #c0392f;   /* primary accent */
  --tuna-dk:   #96271f;
  --tamago:    #f2b705;
  --nori:      #22261f;   /* dark boards/bands */
  --ice:       #eef4f5;   /* Toyosu-side tint */
  --ice-dk:    #2c6e7f;   /* Toyosu accent */
  --shiso:     #4a7040;   /* green, STAYED tags */
  --warn:      #9a6809;
  --highlight: #fde68a;
  --highlight-strong: #fbd35a;
  --accent:    var(--tuna);
  --accent-lt: #f7e5e2;
  --serif:     'Zen Maru Gothic', 'Hiragino Maru Gothic ProN', sans-serif;
  --sans:      'Inter', system-ui, sans-serif;
  --mono:      ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --max:       860px;
  --wide:      1180px;
  --r:         10px;      /* corner radius — deliberate break from print-purism */
  --shadow:    0 4px 18px rgba(34, 38, 31, .07);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
html, body { overflow-x: clip; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 1.02rem;
}
h1, h2, h3 { font-family: var(--serif); line-height: 1.25; font-weight: 700; }
h1 { font-size: clamp(1.9rem, 4.5vw, 2.9rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.85rem); margin-bottom: 1rem; }
h3 { font-size: 1.1rem; }
p  { margin-bottom: 1rem; }
img { max-width: 100%; height: auto; display: block; }

.container      { max-width: var(--max);  margin: 0 auto; padding: 0 1.5rem; }
.container-wide { max-width: var(--wide); margin: 0 auto; padding: 0 1.5rem; }
section { padding: 3rem 0; }
section + section { border-top: 1px solid var(--border); }
.jp { font-size: .82em; color: var(--muted); font-weight: 400; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg);
  border-bottom: 2px solid var(--nori);
  min-height: 52px;
}
.header-inner {
  max-width: var(--wide); margin: 0 auto; padding: .6rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
}
.logo {
  font-family: var(--serif); font-weight: 900; font-size: 1.1rem;
  color: var(--text); text-decoration: none; white-space: nowrap;
  display: inline-flex; align-items: center; gap: .45em;
}
.logo .logo-dot {
  width: .95em; height: .95em; border-radius: 3px;
  background: linear-gradient(135deg, var(--tuna) 50%, var(--tamago) 50%);
  display: inline-block;
}
.nav-links { display: flex; gap: 1.05rem; align-items: center; flex-wrap: wrap; list-style: none; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: .88rem; font-weight: 600; }
.nav-links a:hover { color: var(--tuna); }
.nav-links a.nav-cta {
  color: #fff; background: var(--tuna);
  padding: .35em .95em; border-radius: 20px;
}
.nav-links a.nav-cta:hover { background: var(--tuna-dk); }
.hamburger {
  display: none; flex-shrink: 0;
  background: none; border: none; cursor: pointer;
  font-size: 1.4rem; color: var(--text); line-height: 1; padding: .3rem .5rem;
}
.mobile-nav { display: none; border-top: 1px solid var(--border); background: var(--bg); }
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block; padding: .7rem 1.5rem;
  color: var(--text); text-decoration: none; font-weight: 600;
  border-bottom: 1px solid var(--border);
}
@media (max-width: 900px) { .nav-links { display: none; } .hamburger { display: block; } }

/* ---------- hero ---------- */
.hero { padding: 3.2rem 0 2.2rem; }
.eyebrow {
  font-family: var(--mono); font-size: .72rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--tuna); margin-bottom: .8rem;
}
.hero .deck { font-size: 1.16rem; color: var(--muted); margin-top: 1rem; max-width: 44em; }
.byline { font-size: .85rem; color: var(--muted); margin-top: 1rem; }
.byline a { color: var(--muted); }

/* ---------- market board (facts bar) ---------- */
.facts-bar { background: var(--nori); color: #fff; padding: 1.4rem 0; }
.facts-grid {
  max-width: var(--wide); margin: 0 auto; padding: 0 1.5rem;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.2rem;
}
.fact { min-width: 0; }
.fact-num { font-family: var(--serif); font-size: 1.5rem; font-weight: 900; color: var(--tamago); }
.fact-label {
  font-family: var(--mono); font-size: .66rem; letter-spacing: .1em;
  text-transform: uppercase; color: #cfc9bb; overflow-wrap: anywhere;
}

/* ---------- anchor nav ---------- */
.anchor-nav {
  position: sticky; top: 52px; z-index: 90;
  background: var(--bg); border-bottom: 1px solid var(--border);
  overflow-x: auto; white-space: nowrap;
  scrollbar-width: none; -webkit-overflow-scrolling: touch;
}
.anchor-nav::-webkit-scrollbar { display: none; }
.anchor-nav-list {
  max-width: var(--wide); margin: 0 auto; padding: 0 1.5rem;
  display: inline-flex; gap: .15rem; list-style: none; min-width: 100%;
}
.anchor-nav-list li { flex-shrink: 0; }
.anchor-nav-list li::before { content: none; }
.anchor-link {
  display: inline-block; padding: .55rem .8rem;
  font-family: var(--mono); font-size: .68rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--text); text-decoration: none;
  border-bottom: 2px solid transparent; opacity: .55; white-space: nowrap;
  transition: color .15s, border-color .15s, opacity .15s;
}
.anchor-link:hover { color: var(--tuna); border-bottom-color: var(--tuna); opacity: 1; }

/* ---------- u-link highlighter ---------- */
.u-link {
  position: relative; font-weight: 700; text-decoration: none;
  color: var(--text); padding: 0 .12em;
  background-image: linear-gradient(to top,
    transparent .15em, var(--highlight) .15em,
    var(--highlight) 1.05em, transparent 1.05em);
  background-repeat: no-repeat; background-size: 100% 100%;
}
.u-link:hover {
  color: var(--tuna);
  background-image: linear-gradient(to top,
    transparent .15em, var(--highlight-strong) .15em,
    var(--highlight-strong) 1.05em, transparent 1.05em);
}
.prose a:not(.u-link):not(.chip):not(.book-cta):not(.bento-cell) { color: var(--tuna); }

/* ---------- BENTO GRID (signature) ---------- */
.bento-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(4, 1fr);
  margin: 1.6rem 0;
}
.bento-cell {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r);
  overflow: hidden; display: flex; flex-direction: column;
  text-decoration: none; color: var(--text);
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
a.bento-cell:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--tuna); }
.bento-cell.span-2w { grid-column: span 2; }
.bento-cell.span-2h { grid-row: span 2; }
.bento-cell.toyosu { background: var(--ice); }
.bento-cell.dark { background: var(--nori); color: #fff; }
.bento-cell.dark .bento-note { color: #cfc9bb; }
.bento-img { line-height: 0; }
.bento-img img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.span-2h .bento-img img { aspect-ratio: 3 / 4; }
.bento-body { padding: .85rem 1rem 1rem; display: flex; flex-direction: column; flex: 1; }
.bento-kicker {
  font-family: var(--mono); font-size: .62rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--tuna);
  margin-bottom: .3rem;
}
.toyosu .bento-kicker { color: var(--ice-dk); }
.bento-body h3 { margin-bottom: .35rem; font-size: 1.02rem; }
.bento-note { font-size: .88rem; color: var(--muted); line-height: 1.5; margin-bottom: 0; }
.bento-stat { font-family: var(--serif); font-size: 2rem; font-weight: 900; color: var(--tuna); line-height: 1.1; }
.toyosu .bento-stat { color: var(--ice-dk); }
@media (max-width: 900px) { .bento-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) {
  .bento-grid { grid-template-columns: 1fr; }
  .bento-cell.span-2w { grid-column: span 1; }
  .bento-cell.span-2h { grid-row: span 1; }
  .span-2h .bento-img img { aspect-ratio: 3 / 2; }
}

/* ---------- dish cards ---------- */
.dish-grid {
  display: grid; gap: 1.2rem;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  margin-top: 1.5rem;
}
.dish-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .15s, box-shadow .15s;
}
.dish-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.dish-img { line-height: 0; }
.dish-img img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.dish-body { padding: .85rem 1rem 1rem; flex: 1; display: flex; flex-direction: column; }
.dish-body h3 { font-size: 1rem; margin-bottom: .25rem; }
.dish-price {
  font-family: var(--mono); font-size: .78rem; color: var(--tuna);
  font-weight: 700; margin-bottom: .4rem;
}
.dish-price .asof { color: var(--muted); font-weight: 400; }
.dish-note { font-size: .88rem; color: var(--muted); margin-bottom: 0; line-height: 1.5; }

/* ---------- departure board ---------- */
.board-wrap { overflow-x: auto; margin: 1.5rem 0; border-radius: var(--r); }
.board {
  width: 100%; min-width: 620px; border-collapse: collapse;
  background: var(--nori); color: #f3efe7;
  font-family: var(--mono); font-size: .86rem;
  border-radius: var(--r); overflow: hidden;
}
.board th {
  text-align: left; padding: .7rem .9rem;
  background: #171a14; color: var(--tamago);
  font-size: .7rem; letter-spacing: .12em; text-transform: uppercase;
}
.board td { padding: .6rem .9rem; border-bottom: 1px solid #34382e; vertical-align: top; }
.board tr:last-child td { border-bottom: none; }
.board a { color: var(--highlight); }
.tag { display: inline-block; font-size: .68rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  padding: .18em .65em; border-radius: 3px; white-space: nowrap; }
.tag.stayed { background: var(--shiso); color: #fff; }
.tag.moved  { background: var(--tamago); color: var(--nori); }
.tag.closed { background: #5c574d; color: #fff; }
.tag.new    { background: var(--ice-dk); color: #fff; }

/* ---------- clock ladder ---------- */
.clock-ladder { list-style: none; margin: 1.5rem 0; position: relative; padding-left: 5.4rem; }
.clock-ladder::before {
  content: ""; position: absolute; left: 4.6rem; top: .4rem; bottom: .4rem;
  width: 2px; background: var(--border);
}
.clock-ladder li { position: relative; padding: 0 0 1.1rem 1.2rem; }
.clock-ladder li::before {
  content: ""; position: absolute; left: -.95rem; top: .45em;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--tuna); border: 2px solid var(--bg);
}
.clock-ladder .t {
  position: absolute; left: -5.4rem; width: 4rem; text-align: right;
  font-family: var(--mono); font-size: .78rem; font-weight: 700; color: var(--tuna);
}
.clock-ladder li.cool::before { background: var(--ice-dk); }
.clock-ladder li.cool .t { color: var(--ice-dk); }

/* ---------- calendar cards ---------- */
.cal-grid {
  display: grid; gap: 1.1rem;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  margin: 1.5rem 0;
}
.cal-card {
  border-radius: var(--r); border: 1px solid var(--border);
  background: #fff; padding: 1.1rem 1.2rem;
  border-top: 6px solid var(--tuna);
}
.cal-card.c2 { border-top-color: var(--tamago); }
.cal-card.c3 { border-top-color: var(--ice-dk); background: var(--ice); }
.cal-card.c4 { border-top-color: var(--shiso); }
.cal-card.c5 { border-top-color: var(--muted); }
.cal-card h3 { font-size: 1rem; margin-bottom: .4rem; }
.cal-card p { font-size: .88rem; margin-bottom: .4rem; }
.cal-card .cal-rule { font-family: var(--mono); font-size: .76rem; color: var(--muted); }

/* ---------- hanko stamp ---------- */
.stamp {
  display: inline-flex; align-items: center; gap: .35em;
  font-family: var(--mono); font-size: .68rem; font-weight: 700;
  letter-spacing: .05em; text-transform: uppercase;
  color: var(--tuna); border: 2px solid var(--tuna); border-radius: 999px;
  padding: .18em .7em; transform: rotate(-1.5deg);
  background: rgba(192, 57, 47, .04);
}
.stamp.ok { color: var(--shiso); border-color: var(--shiso); background: rgba(74,112,64,.05); }

/* ---------- myth cards ---------- */
.myth-grid {
  display: grid; gap: 1.1rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  margin-top: 1.5rem;
}
.myth-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r);
  padding: 1.1rem 1.2rem; border-left: 5px solid var(--tuna);
}
.myth-wrong {
  font-family: var(--serif); font-weight: 700; font-size: 1rem;
  text-decoration: line-through; text-decoration-color: var(--tuna);
  text-decoration-thickness: 2px; color: var(--muted);
  display: block; margin-bottom: .45rem;
}
.myth-fix { font-size: .92rem; margin-bottom: 0; }
.myth-fix strong { color: var(--tuna-dk); }

/* ---------- callouts ---------- */
.callout {
  background: var(--bg-alt); border-left: 5px solid var(--tuna);
  border-radius: 0 var(--r) var(--r) 0;
  padding: 1.2rem 1.4rem; margin: 1.5rem 0;
}
.callout.cool { border-left-color: var(--ice-dk); background: var(--ice); }
.callout.warn { border-left-color: var(--warn); }
.callout.green { border-left-color: var(--shiso); }
.callout h3 { margin-bottom: .5rem; }
.callout p:last-child { margin-bottom: 0; }
.callout ul { margin: 0 0 0 1.2rem; }
.callout li { margin-bottom: .45rem; }
.tldr-list { list-style: none; }
.tldr-list li { padding-left: 1.6rem; position: relative; margin-bottom: .8rem; }
.tldr-list li::before { content: "\2192"; position: absolute; left: 0; color: var(--tuna); font-weight: 700; }

/* ---------- chips ---------- */
.chip {
  display: inline-block; font-size: .78rem; font-weight: 600;
  background: #fff; border: 1px solid var(--border); border-radius: 20px;
  padding: .18em .8em; color: var(--muted); text-decoration: none;
  margin: .15rem .25rem .15rem 0; white-space: nowrap;
}
.chip.accent { background: var(--accent-lt); border-color: var(--tuna); color: var(--tuna-dk); }
.chip.accent:hover { background: var(--tuna); color: #fff; }

/* ---------- tables (light, non-board) ---------- */
.table-wrap { overflow-x: auto; margin: 1.5rem 0; }
.data-table { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 620px; }
.data-table th {
  text-align: left; padding: .6rem .8rem; background: var(--nori); color: #fff;
  font-size: .78rem; letter-spacing: .05em; text-transform: uppercase; white-space: nowrap;
}
.data-table td { padding: .65rem .8rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.data-table tbody tr:nth-child(even) { background: var(--bg-alt); }

/* ---------- filter bar + tour cards ---------- */
.filter-bar { margin: 1.5rem 0 .5rem; }
.filter-label {
  font-family: var(--mono); font-size: .68rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-right: .6rem;
}
.filter-chip {
  display: inline-block; background: #fff; border: 1px solid var(--border);
  border-radius: 20px; padding: .3em 1em; margin: .2rem .3rem .2rem 0;
  font-size: .85rem; font-weight: 600; color: var(--muted); cursor: pointer;
  transition: all .15s;
}
.filter-chip:hover { border-color: var(--tuna); color: var(--tuna); }
.filter-chip.active { background: var(--tuna); border-color: var(--tuna); color: #fff; }
.count-bar { font-family: var(--mono); font-size: .78rem; color: var(--muted); margin: .8rem 0; scroll-margin-top: 64px; }
.topic-banner {
  display: none; background: var(--accent-lt); border: 1px solid var(--tuna);
  border-radius: var(--r); padding: 1rem 1.2rem; margin: 1rem 0; font-size: .95rem;
}
.topic-banner.visible { display: block; }

.tour-card-grid {
  display: grid; gap: 1.4rem;
  grid-template-columns: repeat(auto-fill, minmax(265px, 1fr));
  margin-top: 1.5rem;
}
.tour-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--r);
  overflow: hidden; display: flex; flex-direction: column;
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.tour-card:hover { border-color: var(--tuna); box-shadow: var(--shadow); transform: translateY(-2px); }
.tour-img { display: block; position: relative; line-height: 0; }
.tour-img img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.tour-badge {
  position: absolute; top: .6rem; left: .6rem; z-index: 2;
  font-size: .66rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  line-height: 1.4; background: var(--nori); color: #fff;
  padding: .22em .7em; border-radius: 3px;
}
.tour-badge.auction-toyosu { background: var(--ice-dk); }
.tour-badge.sushi-class { background: var(--shiso); }
.tour-badge.food-tour { background: var(--tuna); }
.tour-body { padding: 1rem 1.1rem 1.2rem; display: flex; flex-direction: column; flex: 1; }
.tour-body h3 { margin-bottom: .45rem; font-size: 1.02rem; }
.tour-body h3 a { color: var(--text); text-decoration: none; }
.tour-body h3 a:hover { color: var(--tuna); }
.tour-note { display: block; font-size: .87rem; color: var(--muted); margin: 0 0 .6rem; line-height: 1.5; }
.tour-meta { font-size: .82rem; color: var(--muted); margin-bottom: .8rem; }
.tour-meta .star { color: var(--warn); font-weight: 700; }
.book-cta {
  display: inline-block; background: var(--tuna); color: #fff;
  font-weight: 700; font-size: .85rem; text-decoration: none;
  padding: .45em 1.1em; border-radius: 20px; white-space: nowrap;
}
.book-cta:hover { background: var(--tuna-dk); }
.tour-body .book-cta { margin-top: auto; align-self: flex-start; }
.tour-row-hidden { display: none; }
.disclosure-block { border: 1px dashed var(--border); border-radius: var(--r); padding: 1rem 1.2rem; margin-top: 1.8rem; }
.disclosure-block summary { font-weight: 700; cursor: pointer; color: var(--muted); }
.mini-list { list-style: none; margin-top: .8rem; }
.mini-list li { padding: .45rem 0; border-bottom: 1px solid var(--border); font-size: .92rem; }
.mini-list li:last-child { border-bottom: none; }

/* ---------- figure w/ credit ---------- */
.photo-fig { margin: 1.5rem 0; }
.photo-fig img { width: 100%; border-radius: var(--r); aspect-ratio: 16 / 9; object-fit: cover; }
.photo-fig figcaption { font-size: .78rem; color: var(--muted); margin-top: .4rem; }
.photo-fig figcaption a { color: var(--muted); }

/* ---------- infographic figure ---------- */
.info-fig { margin: 1.8rem auto 0; max-width: 820px; }
.info-fig img { width: 100%; height: auto; border-radius: var(--r); border: 1px solid var(--border); display: block; }
.info-fig figcaption { font-size: .78rem; color: var(--muted); margin-top: .4rem; text-align: center; }

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%; text-align: left; background: none; border: none;
  font-family: var(--serif); font-size: 1.05rem; font-weight: 700;
  color: var(--text); cursor: pointer;
  padding: 1.1rem 2.2rem 1.1rem .2rem; position: relative;
}
.faq-question::after {
  content: "+"; position: absolute; right: .4rem; top: 50%;
  transform: translateY(-50%); font-size: 1.3rem; color: var(--tuna); transition: transform .2s;
}
.faq-item.open .faq-question::after { content: "\2212"; }
.faq-answer { display: none; padding: 0 .2rem 1.2rem; }
.faq-item.open .faq-answer { display: block; }
.faq-answer p { font-size: .96rem; }

/* ---------- methodology ---------- */
.methodology {
  background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--r);
  padding: 1.4rem 1.6rem; margin: 2rem 0; font-size: .92rem;
}
.methodology h3 { margin-bottom: .6rem; }

/* ---------- plan pill ---------- */
.plan-pill {
  position: fixed; bottom: 1.75rem; right: 1.75rem; z-index: 200;
  background: var(--tuna); color: #fff;
  font-weight: 700; font-size: .9rem; text-decoration: none;
  padding: .7em 1.3em; border-radius: 40px;
  box-shadow: 0 4px 14px rgba(0,0,0,.18);
  opacity: 0; pointer-events: none; transform: translateY(8px);
  transition: opacity .25s, transform .25s;
}
.plan-pill.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.plan-pill:hover { background: var(--tuna-dk); }

.checked-stamp { font-family: var(--mono); font-size: .7rem; color: var(--muted); letter-spacing: .04em; }

/* ---------- footer ---------- */
.site-footer { background: var(--nori); color: #cfc9bb; padding: 3rem 0 2rem; margin-top: 3rem; font-size: .88rem; }
.footer-grid {
  max-width: var(--wide); margin: 0 auto; padding: 0 1.5rem;
  display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.footer-grid h4 { color: #fff; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: .8rem; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: .45rem; }
.footer-grid a { color: #cfc9bb; text-decoration: none; }
.footer-grid a:hover { color: var(--tamago); }
.footer-bottom {
  max-width: var(--wide); margin: 2rem auto 0; padding: 1.2rem 1.5rem 0;
  border-top: 1px solid #3a3e33; font-size: .8rem;
}

@media (max-width: 600px) {
  section { padding: 2.2rem 0; }
  .hero { padding: 2.4rem 0 1.8rem; }
  .clock-ladder { padding-left: 4.6rem; }
  .clock-ladder .t { width: 3.4rem; left: -4.6rem; }
  .clock-ladder::before { left: 3.9rem; }
}