/* ==========================================================================
   Mini Trucks Japan — reference site stylesheet
   Editorial / encyclopedic. Light paper, serif headings, dense data tables.
   Intentionally unlike japanminitrucks.com (dark, cinematic, commercial).
   ========================================================================== */

:root{
  --paper:#fbfaf7;
  --paper-2:#f2f0ea;
  --card:#ffffff;
  --ink:#1b1e24;
  --ink-2:#39404d;
  --muted:#6b7280;
  --line:#e2ded4;
  --line-2:#cfc9bb;
  --navy:#1f3a68;
  --navy-2:#16294a;
  --amber:#a4681a;
  --ok:#1f6b4a;

  --maxw:1160px;
  --gut:clamp(18px,4vw,36px);
  --f-serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --f-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --f-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--f-sans);background:var(--paper);color:var(--ink);
  line-height:1.65;font-size:16.5px;overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
a{color:var(--navy);text-decoration:none}
a:hover{text-decoration:underline}
img{display:block;max-width:100%;height:auto}
button,input,select{font:inherit;color:inherit}
::selection{background:#d9e2f1}
:focus-visible{outline:2px solid var(--navy);outline-offset:2px}

.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
.narrow{max-width:820px}
.section{padding-block:clamp(40px,5vw,68px)}
.section--alt{background:var(--paper-2);border-block:1px solid var(--line)}

.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;z-index:99;background:var(--navy);color:#fff;padding:10px 16px}

/* ---------- type ---------------------------------------------------- */
h1,h2,h3,h4{font-family:var(--f-serif);font-weight:600;line-height:1.18;color:var(--ink);letter-spacing:-.012em}
h1{font-size:clamp(1.95rem,4vw,3rem);line-height:1.1}
h2{font-size:clamp(1.4rem,2.6vw,2rem);margin-top:2.2em;margin-bottom:.55em}
h2:first-child{margin-top:0}
h3{font-size:clamp(1.1rem,1.8vw,1.28rem);margin-top:1.6em;margin-bottom:.45em}
p{margin-bottom:1.05em;max-width:74ch}
ul,ol{margin:0 0 1.05em 1.25em;max-width:74ch}
li{margin-bottom:.4em}
.lede{font-size:clamp(1.06rem,1.5vw,1.2rem);color:var(--ink-2);max-width:66ch;font-family:var(--f-serif)}
.small{font-size:.87rem;color:var(--muted)}
code,.code{font-family:var(--f-mono);font-size:.88em;background:var(--paper-2);border:1px solid var(--line);
  border-radius:3px;padding:.08em .38em;white-space:nowrap}

.eyebrow{display:block;font-family:var(--f-sans);font-size:.7rem;font-weight:700;letter-spacing:.17em;
  text-transform:uppercase;color:var(--amber);margin-bottom:.7em}

/* ---------- header --------------------------------------------------- */
.hdr{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.hdr__in{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-block:12px}
.brand{display:flex;align-items:baseline;gap:9px;font-family:var(--f-serif);font-size:1.16rem;font-weight:600;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand b{color:var(--navy)}
.brand small{font-family:var(--f-sans);font-size:.66rem;font-weight:600;letter-spacing:.13em;
  text-transform:uppercase;color:var(--muted)}
.nav{display:flex;gap:2px;flex-wrap:wrap}
.nav a{padding:7px 11px;font-size:.87rem;color:var(--ink-2);border-radius:3px}
.nav a:hover{background:var(--paper-2);text-decoration:none}
.nav a[aria-current="page"]{color:var(--navy);font-weight:600;background:var(--paper-2)}
.burger{display:none;width:40px;height:40px;border:1px solid var(--line-2);background:var(--card);
  border-radius:3px;place-items:center;cursor:pointer}
.burger i{display:block;width:16px;height:2px;background:var(--ink)}
.burger i+i{margin-top:4px}
.mobnav{display:none;border-top:1px solid var(--line);padding-block:8px}
.mobnav.is-open{display:block}
.mobnav a{display:block;padding:11px 2px;border-bottom:1px solid var(--line);font-size:.95rem}

/* ---------- hero ----------------------------------------------------- */
.hero{background:var(--card);border-bottom:1px solid var(--line);padding-block:clamp(36px,5vw,64px)}
.hero__grid{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(24px,4vw,48px);align-items:center}
.hero h1{margin-bottom:.45em}
.hero figure{border:1px solid var(--line);background:var(--paper-2)}
.hero figcaption{font-size:.74rem;color:var(--muted);padding:8px 10px;border-top:1px solid var(--line)}

/* ---------- page head ------------------------------------------------ */
.phead{background:var(--card);border-bottom:1px solid var(--line);padding-block:clamp(26px,3.5vw,44px)}
.crumbs{font-size:.8rem;color:var(--muted);margin-bottom:.9em}
.crumbs span{padding-inline:6px;opacity:.6}

/* ---------- layout with sidebar -------------------------------------- */
.doc{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:clamp(26px,4vw,52px);align-items:start}
.side{position:sticky;top:76px;font-size:.9rem}
.side h2{font-family:var(--f-sans);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin:0 0 .7em;font-weight:700}
.side ul{list-style:none;margin:0 0 1.6em;padding:0}
.side li{margin-bottom:.45em}
.side a{color:var(--ink-2)}
.side a:hover{color:var(--navy)}

/* ---------- tables (the heart of a reference site) ------------------- */
.tbl{overflow-x:auto;border:1px solid var(--line);background:var(--card);margin-bottom:1.6em}
table{width:100%;border-collapse:collapse;min-width:520px}
caption{text-align:left;font-size:.82rem;color:var(--muted);padding:10px 14px;border-bottom:1px solid var(--line);background:var(--paper-2)}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:.91rem;vertical-align:top}
th{font-family:var(--f-sans);font-size:.72rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  color:var(--muted);background:var(--paper-2);white-space:nowrap}
tbody tr:last-child td{border-bottom:0}
tbody tr:nth-child(even){background:#fcfbf8}
td.code-cell{font-family:var(--f-mono);font-size:.86rem;white-space:nowrap;color:var(--navy);font-weight:600}
td.jp{font-size:.95rem;color:var(--ink-2)}

/* ---------- cards / grids -------------------------------------------- */
.grid{display:grid;gap:18px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);padding:20px}
.card h3{margin-top:0}
.card p{margin-bottom:.5em;font-size:.93rem;color:var(--ink-2)}
.card p:last-child{margin-bottom:0}

.mcard{background:var(--card);border:1px solid var(--line);overflow:hidden;display:flex;flex-direction:column}
.mcard img{aspect-ratio:16/10;object-fit:cover;width:100%}
.mcard__b{padding:18px}
.mcard__b h3{margin:0 0 .3em}
.mcard__b .small{margin-bottom:.6em}
.mcard__b p{font-size:.92rem;margin-bottom:0;color:var(--ink-2)}

.factbox{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--navy);padding:18px 20px;margin-bottom:1.6em}
.factbox h2,.factbox h3{margin-top:0;margin-bottom:.5em;font-family:var(--f-sans);font-size:.98rem;font-weight:700}
.factbox p:last-child{margin-bottom:0}
.note{background:#fdf7ea;border:1px solid #e4d4ad;padding:16px 18px;margin-block:1.4em;font-size:.93rem}
.note strong{display:block;margin-bottom:.3em}
.note p:last-child{margin-bottom:0}

dl.kv{display:grid;grid-template-columns:auto 1fr;gap:.45em 1.2em;margin-bottom:1.4em;font-size:.94rem}
dl.kv dt{color:var(--muted)}
dl.kv dd{font-weight:600}

/* ---------- answer blocks (AI extractable) --------------------------- */
.qa{border-top:1px solid var(--line)}
.qa__item{border-bottom:1px solid var(--line);padding-block:20px}
.qa__item h2{margin:0 0 .4em;font-size:1.05rem}
.qa__item p{margin-bottom:0;color:var(--ink-2)}

/* ---------- CTA to the sourcing site --------------------------------- */
.partner{background:var(--navy);color:#fff;padding:clamp(24px,3.5vw,38px);margin-block:2em}
.partner h2{color:#fff;margin:0 0 .4em;font-size:clamp(1.25rem,2.2vw,1.6rem)}
.partner p{color:#c8d3e6;margin-bottom:1.1em}
.partner a.btn{background:#fff;color:var(--navy)}
.partner a.btn:hover{background:#e8eefa}

.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:3px;
  background:var(--navy);color:#fff;font-size:.9rem;font-weight:600;border:1px solid transparent;cursor:pointer}
.btn:hover{background:var(--navy-2);text-decoration:none}
.btn--ghost{background:transparent;color:var(--navy);border-color:var(--line-2)}
.btn--ghost:hover{background:var(--paper-2);color:var(--navy)}
.btn--wa{background:#1fa855}
.btn--wa:hover{background:#178643}
.btn--mail{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn--mail:hover{background:rgba(255,255,255,.12);color:#fff}

/* inline reference figure — not a hero: content stays above the fold */
.ref-fig{border:1px solid var(--line);background:var(--card);margin:0 0 1.7em}
.ref-fig img{width:100%}
.ref-fig figcaption{font-size:.74rem;color:var(--muted);padding:8px 11px;border-top:1px solid var(--line)}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:1.2em}

/* ---------- footer --------------------------------------------------- */
.ftr{background:var(--card);border-top:1px solid var(--line);padding-block:40px 24px;margin-top:2em}
.ftr__grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:30px}
.ftr h2{margin-top:0;font-family:var(--f-sans);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-bottom:.9em;font-weight:700}
.ftr ul{list-style:none;margin:0;padding:0}
.ftr li{margin-bottom:.45em}
.ftr a{font-size:.89rem;color:var(--ink-2)}
.ftr__bar{margin-top:32px;padding-top:18px;border-top:1px solid var(--line);font-size:.8rem;color:var(--muted);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* ---------- responsive ------------------------------------------------ */
@media(max-width:900px){
  .doc{grid-template-columns:1fr}
  .side{position:static;border-top:1px solid var(--line);padding-top:20px}
  .hero__grid{grid-template-columns:1fr}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .ftr__grid{grid-template-columns:1fr 1fr}
  .nav{display:none}
  .burger{display:grid}
}
@media(max-width:600px){
  .grid--2,.grid--3{grid-template-columns:1fr}
  .ftr__grid{grid-template-columns:1fr}
  .brand small{display:none}
  dl.kv{grid-template-columns:1fr;gap:.15em}
  dl.kv dd{margin-bottom:.55em}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}
@media print{
  .hdr,.burger,.mobnav,.partner,.btn-row{display:none!important}
  body{background:#fff}
}