/* =========================================================================
   クアラルンプールナビ  —  design system
   Tropical editorial. Deep teal night-sky + warm gold, warm paper neutrals.
   ========================================================================= */
:root{
  /* Malaysian flag palette — navy(紺) / red(赤) / white(白) / yellow(黄) */
  --teal-900:#06163f;   /* navy darkest  */
  --teal-800:#0e2a6b;   /* navy primary  */
  --teal-700:#183a8c;   /* navy link/hover */
  --teal-600:#2a54b0;   /* bright blue glow */
  --teal-50:#e9eef9;    /* light navy tint  */
  --gold:#cc0a2a;       /* flag red — accents & bars on light bg */
  --gold-soft:#ffcc00;  /* flag yellow — accents on dark bg */
  --red:#cc0a2a;
  --red-dark:#a30820;
  --yellow:#ffcc00;
  --coral:#cc0a2a;
  --ink:#101a33;
  --body:#3a465f;
  --muted:#6b7690;
  --line:#dbe1ec;
  --line-soft:#e9edf5;
  --paper:#f4f6fb;
  --paper-2:#e8edf7;
  --white:#ffffff;
  --shadow-sm:0 1px 2px rgba(16,40,52,.06),0 1px 3px rgba(16,40,52,.05);
  --shadow-md:0 6px 18px rgba(16,40,52,.08),0 2px 6px rgba(16,40,52,.05);
  --shadow-lg:0 22px 48px rgba(8,51,68,.16);
  --r-sm:8px; --r:14px; --r-lg:22px;
  --wrap:1160px;
  --sans:"Noto Sans JP",system-ui,-apple-system,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;
  --serif:"Playfair Display",Georgia,serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--sans);color:var(--body);background:var(--paper);
  font-size:16px;line-height:1.85;font-weight:400;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--teal-700);text-decoration:none;transition:color .18s}
a:hover{color:var(--teal-600)}
h1,h2,h3,h4{color:var(--ink);line-height:1.35;font-weight:700;margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-999px;top:0;background:var(--teal-800);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 8px 0}
.skip:focus{left:0}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--sans);
  font-weight:700;font-size:.95rem;padding:.85em 1.6em;border-radius:999px;
  border:1.5px solid transparent;cursor:pointer;transition:all .2s;line-height:1;text-align:center}
.btn-primary{background:var(--teal-800);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--teal-700);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(255,255,255,.5)}
.btn-light{background:#fff;color:var(--teal-800)}
.btn-light:hover{color:var(--teal-800);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.55)}
.hero .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-block{width:100%;justify-content:center}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(244,246,251,.9);
  backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line-soft)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{display:block;width:46px;height:46px;flex:0 0 auto;border-radius:12px;box-shadow:var(--shadow-sm)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-weight:900;color:var(--ink);font-size:1.12rem;letter-spacing:.02em}
.brand-sub{font-family:var(--serif);font-size:.7rem;letter-spacing:.22em;color:var(--gold);text-transform:uppercase}
.gnav ul{display:flex;list-style:none;margin:0;padding:0;gap:2px}
.gnav a{display:block;padding:.55em .78em;font-size:.86rem;font-weight:500;color:var(--body);border-radius:8px}
.gnav a:hover{background:var(--paper-2);color:var(--teal-800)}
.gnav li.is-active a{color:var(--teal-800);font-weight:700}
.gnav li.is-active a::after{content:"";display:block;height:2px;background:var(--gold);border-radius:2px;margin-top:3px}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:44px;height:44px;border:none;
  background:transparent;cursor:pointer;padding:10px;border-radius:10px}
.nav-toggle span{height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;color:#fff;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-2;
  background:
    radial-gradient(1200px 520px at 82% -12%,rgba(255,204,0,.30),transparent 58%),
    radial-gradient(880px 620px at -5% 25%,rgba(204,10,42,.34),transparent 55%),
    linear-gradient(158deg,var(--teal-900),var(--teal-800) 52%,var(--teal-700))}
.hero-bg::after{content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1.4px);
  background-size:26px 26px;opacity:.06}
.hero-inner{position:relative;padding:78px 22px 150px;max-width:840px}
.hero-eyebrow{font-family:var(--serif);letter-spacing:.32em;font-size:.78rem;
  color:var(--gold-soft);margin:0 0 18px;text-transform:uppercase}
.hero-title{color:#fff;font-size:clamp(1.15rem,5.15vw,3rem);font-weight:900;letter-spacing:.003em;line-height:1.45;margin:0 0 22px}
.hero-line{display:block;white-space:nowrap}
.hero-title .hl{color:var(--gold-soft)}
.hero-lead{font-size:1.05rem;line-height:1.95;color:rgba(255,255,255,.92);max-width:640px;margin:0 0 30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-skyline{position:absolute;left:0;right:0;bottom:-1px;z-index:-1;color:rgba(4,32,44,.55);line-height:0}
.skyline{width:100%;height:150px;display:block}

/* ---------- sections ---------- */
.section{padding:76px 0}
.section-alt{background:var(--paper-2)}
.section-head{max-width:640px;margin:0 0 44px}
.section-head.row{display:flex;align-items:flex-end;justify-content:space-between;max-width:none;gap:20px}
.kicker{font-family:var(--serif);letter-spacing:.28em;font-size:.72rem;text-transform:uppercase;
  color:var(--gold);margin:0 0 10px;font-weight:600}
.section-head h2{font-size:clamp(1.5rem,3.4vw,2.1rem);font-weight:900;letter-spacing:.01em}
.section-sub{color:var(--muted);margin:.7em 0 0}
.more-link{font-weight:700;white-space:nowrap}

/* ---------- category grid ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px}
.cat-card{display:flex;align-items:center;gap:18px;background:var(--white);border:1px solid var(--line);
  border-radius:var(--r);padding:22px;box-shadow:var(--shadow-sm);transition:.22s;position:relative;overflow:hidden}
.cat-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--gold);transform:scaleY(0);transform-origin:bottom;transition:.25s}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.cat-card:hover::before{transform:scaleY(1)}
.cat-ic{flex:0 0 auto;width:54px;height:54px;border-radius:14px;display:grid;place-items:center;
  background:var(--teal-50);color:var(--teal-800)}
.cat-ic svg{width:26px;height:26px}
.cat-body{display:flex;flex-direction:column;gap:3px;flex:1}
.cat-name{font-weight:900;color:var(--ink);font-size:1.12rem}
.cat-desc{font-size:.86rem;color:var(--muted);line-height:1.6}
.cat-count{font-size:.72rem;color:var(--teal-700);font-weight:700;margin-top:4px;letter-spacing:.04em}
.cat-arrow{color:var(--gold);font-weight:700;font-size:1.2rem;transition:transform .22s}
.cat-card:hover .cat-arrow{transform:translateX(4px)}

/* ---------- featured ---------- */
.feat-wrap{display:grid;grid-template-columns:1.4fr .9fr;gap:48px;align-items:center}
.feat-copy h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:900;margin:.4em 0 .6em}
.feat-copy p{color:var(--body);margin:0 0 1.4em}
.feat-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.feat-list li{border-top:1px solid var(--line)}
.feat-list li:last-child{border-bottom:1px solid var(--line)}
.feat-list a{display:block;padding:.95em 0 .95em 1.6em;position:relative;color:var(--ink);font-weight:500}
.feat-list a::before{content:"→";position:absolute;left:0;color:var(--gold);transition:transform .2s}
.feat-list a:hover{color:var(--teal-700)}
.feat-list a:hover::before{transform:translateX(3px)}
.feat-side{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.stat{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:22px;text-align:center;box-shadow:var(--shadow-sm)}
.stat-num{display:block;font-family:var(--serif);font-size:2.1rem;font-weight:700;color:var(--teal-800);line-height:1.1}
.stat-lbl{display:block;font-size:.78rem;color:var(--muted);margin-top:6px}

/* ---------- column list (home) ---------- */
.col-list{display:grid;gap:2px;border-top:1px solid var(--line)}
.col-item{display:flex;align-items:baseline;gap:20px;padding:1.05em 0;border-bottom:1px solid var(--line)}
.col-item time{flex:0 0 auto;font-family:var(--serif);color:var(--gold);font-weight:600;font-size:.9rem;width:6em}
.col-item .col-title{color:var(--ink);font-weight:500;transition:.18s}
.col-item:hover .col-title{color:var(--teal-700)}

/* ---------- CTA band ---------- */
.cta{background:linear-gradient(135deg,var(--red),var(--red-dark));color:#fff}
.cta .btn-light{color:var(--red)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:52px 22px}
.cta h2{color:#fff;font-size:clamp(1.3rem,2.6vw,1.7rem);font-weight:900;margin:0 0 .4em}
.cta p{margin:0;color:rgba(255,255,255,.9)}

/* ---------- page hero (interior) ---------- */
.page-hero{background:linear-gradient(160deg,var(--teal-900),var(--teal-800));color:#fff;padding:26px 0 46px}
.page-hero.slim{padding-bottom:34px}
.page-hero-head{display:flex;align-items:center;gap:20px;margin-top:14px}
.page-ic{flex:0 0 auto;width:60px;height:60px;border-radius:16px;display:grid;place-items:center;
  background:rgba(255,255,255,.12);color:#fff}
.page-ic svg{width:30px;height:30px}
.page-hero h1{color:#fff;font-size:clamp(1.6rem,4vw,2.4rem);font-weight:900}
.page-hero p{margin:.5em 0 0;color:rgba(255,255,255,.88)}
.page-hero .lead{max-width:760px;font-size:1.02rem}
.post-date{margin:8px 0 0}
.post-date time{font-family:var(--serif);color:var(--gold-soft);font-weight:600;letter-spacing:.05em}

/* ---------- breadcrumb ---------- */
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;font-size:.8rem}
.breadcrumb a{color:rgba(255,255,255,.8)}
.breadcrumb a:hover{color:#fff}
.breadcrumb li[aria-current]{color:var(--gold-soft)}
.breadcrumb .sep{color:rgba(255,255,255,.45)}

/* ---------- article grid (category page) ---------- */
.art-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:16px}
.art-card{display:flex;align-items:flex-start;gap:18px;background:var(--white);border:1px solid var(--line);
  border-radius:var(--r);padding:22px 24px;box-shadow:var(--shadow-sm);transition:.22s}
.art-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--teal-600)}
.art-num{font-family:var(--serif);font-size:1.5rem;font-weight:700;color:var(--gold);line-height:1;flex:0 0 auto;min-width:1.4em}
.art-body{flex:1;display:flex;flex-direction:column;gap:5px}
.art-title{font-weight:900;color:var(--ink);font-size:1.08rem}
.art-ex{font-size:.85rem;color:var(--muted);line-height:1.65}
.art-arrow{color:var(--gold);font-weight:700;align-self:center;transition:transform .2s}
.art-card:hover .art-arrow{transform:translateX(4px)}

/* ---------- article layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding-top:52px;padding-bottom:80px;align-items:start}
.article{min-width:0}

/* prose */
.prose{font-size:1.02rem}
.prose>p{margin:0 0 1.4em}
.prose .c-h2{font-size:1.45rem;font-weight:900;color:var(--ink);margin:2.2em 0 .9em;padding-bottom:.5em;
  border-bottom:2px solid var(--line);position:relative}
.prose .c-h2::before{content:"";position:absolute;left:0;bottom:-2px;width:56px;height:2px;background:var(--gold)}
.prose .c-h2:first-child{margin-top:0}
.prose .c-h3{font-size:1.14rem;font-weight:700;color:var(--teal-800);margin:1.8em 0 .7em;padding-left:.7em;border-left:4px solid var(--gold-soft)}
.prose .c-h4{font-size:1.02rem;font-weight:700;color:var(--ink);margin:1.5em 0 .5em}
.prose .c-list{margin:0 0 1.5em;padding-left:0;list-style:none}
.prose .c-list li{position:relative;padding:.35em 0 .35em 1.5em}
.prose ul.c-list li::before{content:"";position:absolute;left:.2em;top:1.05em;width:7px;height:7px;border-radius:50%;background:var(--gold)}
.prose ol.c-list{counter-reset:li}
.prose ol.c-list li{counter-increment:li}
.prose ol.c-list li::before{content:counter(li);position:absolute;left:0;top:.5em;width:1.4em;height:1.4em;
  background:var(--teal-50);color:var(--teal-800);border-radius:50%;font-size:.75rem;font-weight:700;display:grid;place-items:center}
.prose .c-list li{border-bottom:1px solid var(--line-soft)}
.c-table-wrap{overflow-x:auto;margin:0 0 1.6em;border:1px solid var(--line);border-radius:var(--r-sm)}
.c-table{width:100%;border-collapse:collapse;font-size:.92rem;min-width:420px}
.c-table th,.c-table td{padding:.8em 1em;text-align:left;border-bottom:1px solid var(--line-soft);vertical-align:top}
.c-table th{background:var(--teal-50);color:var(--teal-900);font-weight:700}
.c-table tr:last-child td{border-bottom:none}
.c-table tr:nth-child(even) td{background:var(--paper)}

/* empty / preparing note */
.empty-note{background:var(--paper-2);border:1px dashed var(--line);border-radius:var(--r);
  padding:38px 28px;text-align:center;color:var(--muted)}
.empty-note p{margin:0;line-height:1.9}

/* pager */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:3em;padding-top:2em;border-top:1px solid var(--line)}
.pager a{display:flex;flex-direction:column;gap:4px;padding:16px 18px;border:1px solid var(--line);border-radius:var(--r);
  background:var(--white);transition:.2s;box-shadow:var(--shadow-sm)}
.pager a:hover{border-color:var(--teal-600);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.pager span{font-size:.72rem;color:var(--muted);font-weight:700;letter-spacing:.06em}
.pager strong{color:var(--ink);font-weight:700;font-size:.95rem}
.pager-next{text-align:right}

/* sidebar */
.side{display:flex;flex-direction:column;gap:20px;position:sticky;top:92px}
.side-box{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow-sm)}
.side-title{font-size:1rem;font-weight:900;color:var(--ink);padding-bottom:.7em;margin-bottom:.4em;border-bottom:2px solid var(--gold)}
.side-nav{list-style:none;margin:0;padding:0}
.side-nav li{border-bottom:1px solid var(--line-soft)}
.side-nav li:last-child{border-bottom:none}
.side-nav a{display:block;padding:.7em .2em .7em 1em;position:relative;font-size:.92rem;color:var(--body);font-weight:500}
.side-nav a::before{content:"›";position:absolute;left:0;color:var(--gold);font-weight:700}
.side-nav a:hover{color:var(--teal-700)}
.side-nav li.is-active a{color:var(--teal-800);font-weight:700}
.side-nav.col-side time{display:block;font-family:var(--serif);font-size:.72rem;color:var(--gold);font-weight:600}
.side-cta p{margin:0 0 1em;font-size:.9rem;color:var(--muted)}

/* ---------- column grid ---------- */
.col-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px}
.col-card{display:flex;flex-direction:column;gap:8px;background:var(--white);border:1px solid var(--line);
  border-radius:var(--r);padding:26px;box-shadow:var(--shadow-sm);transition:.22s}
.col-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.col-card time{font-family:var(--serif);color:var(--gold);font-weight:600;font-size:.85rem;letter-spacing:.05em}
.col-card h2{font-size:1.18rem;font-weight:900;color:var(--ink);line-height:1.45}
.col-card p{font-size:.88rem;color:var(--muted);margin:0;flex:1}
.col-more{font-size:.82rem;font-weight:700;color:var(--teal-700);margin-top:6px}

/* ---------- contact ---------- */
.contact-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:44px;align-items:start}
.contact-form{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--shadow-md)}
.field{margin-bottom:22px}
.field label{display:block;font-weight:700;color:var(--ink);margin-bottom:8px;font-size:.92rem}
.req{display:inline-block;background:var(--coral);color:#fff;font-size:.65rem;padding:.15em .6em;border-radius:4px;margin-left:6px;vertical-align:middle;font-weight:700}
.field input,.field textarea{width:100%;padding:.85em 1em;border:1.5px solid var(--line);border-radius:var(--r-sm);
  font-family:inherit;font-size:1rem;color:var(--ink);background:var(--paper);transition:.18s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--teal-600);background:#fff;box-shadow:0 0 0 4px rgba(21,135,168,.12)}
.field textarea{resize:vertical}
.form-note{font-size:.78rem;color:var(--muted);margin:1.2em 0 0;line-height:1.7}
.contact-side{display:flex;flex-direction:column;gap:18px}
.contact-side .mail a{font-family:var(--serif);font-size:1.2rem;font-weight:600}
.muted{color:var(--muted);font-size:.88rem}

/* ---------- 404 ---------- */
.notfound{text-align:center;padding:100px 0}
.nf-code{font-family:var(--serif);font-size:5rem;font-weight:700;color:var(--gold);margin:0;line-height:1}
.notfound h1{font-size:1.6rem;margin:.2em 0 .5em}
.notfound p{color:var(--muted);margin:0 0 1.6em}

/* ---------- footer ---------- */
.site-footer{background:var(--teal-900);color:rgba(255,255,255,.72);margin-top:0}
.footer-top{display:grid;grid-template-columns:.9fr 2.4fr;gap:44px;padding:60px 0 40px}
.fbrand .brand-mark{margin-bottom:14px}
.fbrand-name{font-weight:900;color:#fff;font-size:1.1rem;margin:0 0 .6em}
.fbrand-desc{font-size:.85rem;line-height:1.8;margin:0;max-width:26em}
.footer-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.fcol h4{font-size:.86rem;margin:0 0 .9em}
.fcol h4 a{color:#fff}
.fcol h4 a:hover{color:var(--gold-soft)}
.fcol ul{list-style:none;margin:0;padding:0}
.fcol li{margin-bottom:.5em}
.fcol a{color:rgba(255,255,255,.62);font-size:.8rem}
.fcol a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;
  flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px}
.footer-bottom nav{display:flex;gap:20px}
.footer-bottom nav a{color:rgba(255,255,255,.8);font-size:.82rem;font-weight:500}
.footer-bottom nav a:hover{color:var(--gold-soft)}
.copy{font-size:.74rem;margin:0;color:rgba(255,255,255,.5);letter-spacing:.03em}
.copy a{color:rgba(255,255,255,.72);font-weight:500}
.copy a:hover{color:var(--yellow)}

/* ---------- to top ---------- */
.to-top{position:fixed;right:20px;bottom:20px;width:46px;height:46px;border-radius:50%;border:none;
  background:var(--teal-800);color:#fff;font-size:1.2rem;cursor:pointer;box-shadow:var(--shadow-lg);
  opacity:0;pointer-events:none;transform:translateY(10px);transition:.25s;z-index:90}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{background:var(--teal-700)}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .feat-wrap{grid-template-columns:1fr;gap:32px}
  .article-layout{grid-template-columns:1fr;gap:36px}
  .side{position:static}
  .contact-layout{grid-template-columns:1fr;gap:28px}
  .footer-top{grid-template-columns:1fr;gap:32px}
}
@media (max-width:860px){
  .nav-toggle{display:flex}
  .gnav{position:fixed;inset:72px 0 auto 0;background:var(--paper);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .3s ease;box-shadow:var(--shadow-md)}
  .gnav.open{max-height:80vh;overflow-y:auto}
  .gnav ul{flex-direction:column;padding:12px 16px;gap:0}
  .gnav a{padding:.9em .6em;border-bottom:1px solid var(--line-soft);border-radius:0;font-size:.98rem}
  .gnav li.is-active a::after{display:none}
  .gnav li.is-active a{background:var(--paper-2)}
  .footer-cols{grid-template-columns:1fr 1fr}
  .section-head.row{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-inner{flex-direction:column;align-items:flex-start;text-align:left}
}
@media (max-width:560px){
  .section{padding:56px 0}
  .hero-inner{padding:56px 22px 120px}
  .feat-side{grid-template-columns:1fr 1fr}
  .footer-cols{grid-template-columns:1fr}
  .pager{grid-template-columns:1fr}
  .pager-next{text-align:left}
  .col-item{flex-direction:column;gap:2px}
  .brand-sub{display:none}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}