*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
/* Grid/flex children default to min-width:auto and refuse to shrink below their
   content, which is the usual cause of mobile horizontal overflow. */
main *,footer *,header *{min-width:0}
h1,h2,h3,h4,p,li,blockquote,figcaption,dd,dt,summary{overflow-wrap:break-word}
.skip{position:absolute;left:-9999px;top:0;z-index:100;padding:.75rem 1.25rem;background:#000;color:#fff;text-decoration:none}
.skip:focus{left:0}
:focus-visible{outline:3px solid currentColor;outline-offset:2px}
.vh{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
details>summary{cursor:pointer;min-height:44px;display:flex;align-items:center}
details>summary::-webkit-details-marker{display:none}
@media (prefers-reduced-motion:reduce){*{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}

:root{
  --wht:#FFFFFF;--navy:#23384D;--amb:#E0A13A;
  --gry:#E6EAED;--red:#93453F;
}
body{background:var(--wht);color:#1d2a36;
  font-family:Sarabun,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.62}
h1,h2,h3,h4,.np-plate-d,.np-btn{font-family:"Chakra Petch",Sarabun,system-ui,sans-serif;
  font-weight:600}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .5em}
p{margin:0 0 1em}
.np-in{max-width:1320px;margin:0 auto;padding:0 30px}

/* ---------- header aligned to the photo edge ---------- */
.np-head{background:var(--wht);border-bottom:1px solid rgba(35,56,77,.16)}
.np-head-in{max-width:1320px;margin:0 auto;padding:12px 30px;display:flex;
  align-items:center;gap:22px;flex-wrap:wrap}
.np-id{margin:0;font-weight:600;font-size:15px;color:var(--navy)}
.np-nav{margin-left:33.33%}
.np-nav ul{list-style:none;display:flex;gap:26px;margin:0;padding:0;flex-wrap:wrap}
.np-nav a{color:#1d2a36;text-decoration:none;font-size:15px;display:inline-flex;
  align-items:center;min-height:44px}
.np-nav a:hover{color:var(--red)}

/* ---------- notched opening ---------- */
.np-open{padding:0 0 30px}
.np-open-in{position:relative;max-width:1320px;margin:0 auto;padding:30px 30px 0}
.np-shot{position:relative;margin:0 0 0 33.33%;
  height:clamp(470px,45vw,640px)}
.np-shot img{width:100%;height:100%;object-fit:cover;
  clip-path:polygon(42% 0,100% 0,100% 80%,66% 80%,66% 100%,0 100%,0 58%,42% 58%)}
.np-plate{position:absolute;right:0;bottom:0;width:34%;height:20%;background:var(--navy);
  color:var(--wht);display:flex;flex-direction:column;justify-content:center;
  padding:0 24px}
.np-plate-d{margin:0 0 2px;font-size:clamp(17px,1.5vw,23px);font-weight:700}
.np-plate-l{margin:0;font-size:14px;color:#c3ced9}
.np-title{position:absolute;left:30px;top:44px;width:60%}
.np-kick{margin:0 0 12px;color:var(--red);font-weight:600;font-size:14.5px}
.np-title h1{font-size:clamp(34px,4.5vw,68px);margin:0;color:var(--navy);
  max-width:15ch}
.np-left{position:absolute;left:30px;bottom:0;width:30%}
.np-intro{font-size:16.5px;color:#46545f}
.np-acts{display:grid;gap:10px}
.np-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;
  padding:0 22px;border:2px solid var(--navy);color:var(--navy);text-decoration:none;
  font-size:15px;background:transparent}
.np-btn--f{background:var(--navy);color:var(--wht)}
.np-btn:hover{background:var(--amb);border-color:var(--amb);color:var(--navy)}
.np-shotnote{max-width:1320px;margin:18px auto 0;padding:0 30px;font-size:12.5px;
  color:#5f6b76}

/* ---------- sections ---------- */
.np-sec{padding:60px 0}
.np-sec h2{font-size:clamp(26px,3vw,44px);color:var(--navy)}
.np-sub{color:#5f6b76;max-width:76ch}
.np-big{font-size:18.5px;color:#46545f;max-width:62ch}
.np-lnk{color:var(--red);font-weight:600}
.np-prop{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:50px}
.np-prop-side{background:var(--gry);padding:26px 24px}
.np-prop-side h3{font-size:14px}
.np-themes{margin:0;padding-left:20px;font-size:15px}
.np-themes li{padding:8px 0;border-bottom:1px solid rgba(35,56,77,.16)}

/* ---------- programme: one notched colour edge per day ---------- */
.np-prog{padding-top:0}
.np-edge{height:56px;clip-path:polygon(0 0,58% 0,58% 62%,100% 62%,100% 100%,0 100%)}
.np-edge--navy{background:var(--navy)}
.np-edge--amber{background:var(--amb)}
.np-edge--red{background:var(--red)}
.np-prog-h{display:flex;gap:22px;align-items:baseline;flex-wrap:wrap;margin:28px 0 0}
.np-prog-h h2{margin:0;font-size:clamp(24px,2.7vw,36px)}
.np-prog-d{margin:0;font-size:19px;font-weight:600}
.np-prog-n{margin:0 0 0 auto;font-size:14px;color:#5f6b76}
.np-slist{list-style:none;margin:22px 0 22px;padding:0}
.np-slist li{display:grid;grid-template-columns:86px minmax(0,1.25fr) minmax(0,1fr);
  gap:22px;padding:15px 0;border-top:1px solid rgba(35,56,77,.16)}
.np-s-t{margin:0;font-weight:700;font-size:15px;color:var(--red)}
.np-slist h3{margin:0 0 3px;font-size:17.5px;color:var(--navy)}
.np-s-w{margin:0;font-size:14px;color:#5f6b76}
.np-s-p{margin:0;font-size:14px;color:#5f6b76}

/* ---------- speakers ---------- */
.np-sec--sp{background:var(--gry)}
.np-profs{display:grid;grid-template-columns:repeat(2,1fr);gap:30px 44px;margin:28px 0 26px}
.np-prof{display:grid;grid-template-columns:172px minmax(0,1fr);gap:22px;
  align-items:stretch;background:var(--wht);padding:16px}
.np-prof img{width:172px;height:214px;object-fit:cover}
.np-prof-t{position:relative;padding-top:10px}
.np-prof-t::before{content:"";position:absolute;right:0;top:0;width:54px;height:16px;
  background:var(--amb);clip-path:polygon(0 0,100% 0,100% 100%,38% 100%,38% 55%,0 55%)}
.np-prof h3{margin:0 0 4px;font-size:19px;color:var(--navy)}
.np-prof-r{margin:0 0 10px;font-size:13.5px;color:#5f6b76}
.np-prof-s{margin:0;font-size:14.5px;border-top:2px solid var(--gry);padding-top:9px}

/* ---------- participation / gallery / venue / partnership / faq ---------- */
.np-sec--part{background:var(--navy);color:#cdd7e0}
.np-sec--part h2{color:var(--wht)}
.np-sec--part .np-big{color:#bcc8d3}
.np-part{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:46px;
  align-items:start}
.np-part-acts{display:grid;gap:12px;margin:0}
.np-sec--part .np-btn{border-color:var(--gry);color:var(--gry)}
.np-sec--part .np-btn--f{background:var(--amb);border-color:var(--amb);color:var(--navy)}
.np-gal{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:26px}
.np-gf{margin:0}
.np-gf img{width:100%;aspect-ratio:3/2;object-fit:cover}
.np-gf figcaption{font-size:12.5px;color:#5f6b76;margin-top:8px}
.np-quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:36px}
.np-q{margin:0;background:var(--gry);padding:24px;border-left:5px solid var(--amb)}
.np-q blockquote{margin:0}
.np-q p{margin:0 0 12px;font-size:16px}
.np-q figcaption{font-size:13.5px;font-weight:700;color:var(--navy)}
.np-sec--venue{background:var(--gry)}
.np-venue{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:46px}
.np-venue-dl{margin:0;background:var(--wht);padding:8px 24px}
.np-venue-dl>div{padding:13px 0;border-bottom:1px solid rgba(35,56,77,.16)}
.np-venue-dl>div:last-child{border-bottom:0}
.np-venue-dl dt{font-size:12px;letter-spacing:.09em;color:#5f6b76;font-weight:600}
.np-venue-dl dd{margin:2px 0 0;font-weight:700;color:var(--navy)}
.np-pt{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:44px;
  align-items:center}
.np-pt-acts{display:grid;gap:12px;margin:0}
.np-faq{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:48px;
  align-items:start}
.np-faq details{border-bottom:1px solid rgba(35,56,77,.2)}
.np-faq summary{font-weight:600;font-size:17px;padding:15px 0;color:var(--navy)}
.np-faq summary:hover{color:var(--red)}
.np-faq details p{margin:0 0 16px;color:#5f6b76;max-width:66ch}
.np-org{background:var(--gry);padding:24px}
.np-org h3{margin:0 0 2px;font-size:19px;color:var(--navy)}
.np-org-hq{margin:0 0 10px;font-size:14px;color:var(--red);font-weight:600}
.np-org ul{list-style:none;margin:0;padding:0}
.np-org li{border-top:1px solid rgba(35,56,77,.18)}
.np-org a{display:flex;align-items:center;min-height:48px}

/* ---------- footer ---------- */
.ft{background:var(--navy);color:#c3ced9;padding:50px 0 32px}
.ft-in{max-width:1320px;margin:0 auto;padding:0 30px}
.ft-org strong{color:var(--wht)}
.ft-links{list-style:none;display:flex;flex-wrap:wrap;gap:2px 26px;padding:0;margin:0 0 18px}
.ft-links a{color:var(--gry);font-size:14.5px;min-height:44px;display:inline-flex;
  align-items:center}
.ft-links a:hover{color:var(--amb)}
.ft-note{font-size:13px;color:#93a1ae;max-width:78ch;margin:0 0 10px}
.ft-c{font-size:12.5px;color:#7f8e9c;margin:22px 0 0;
  border-top:1px solid rgba(230,234,237,.18);padding-top:18px}

/* ---------- tablet: normal stacked order, one small corner notch ---------- */
@media (max-width:1100px){
  .np-nav{margin-left:auto}
  .np-open-in{padding-bottom:0;display:flex;flex-direction:column}
  .np-title,.np-left{position:static;width:auto}
  .np-title{order:1;margin-bottom:18px}
  .np-left{order:2;margin:0 0 24px}
  .np-shot{order:3;margin-left:0;height:auto}
  .np-shot img{height:clamp(240px,42vw,420px);
    clip-path:polygon(24% 0,100% 0,100% 100%,0 100%,0 14%,24% 14%)}
  .np-plate{position:static;width:auto;height:auto;padding:16px 22px}
  .np-prop,.np-part,.np-venue,.np-pt,.np-faq{grid-template-columns:1fr;gap:30px}
  .np-profs{grid-template-columns:1fr}
  .np-slist li{grid-template-columns:78px 1fr;gap:16px}
  .np-s-p{grid-column:2}
  .np-gal{grid-template-columns:1fr}
  .np-quotes{grid-template-columns:1fr}
}
/* ---------- mobile ---------- */
@media (max-width:640px){
  body{font-size:16px}
  .np-in,.np-open-in,.np-shotnote,.np-head-in{padding-left:20px;padding-right:20px}
  .np-title h1{font-size:clamp(34px,9.2vw,42px)}
  .np-nav ul{gap:16px}
  .np-sec{padding:42px 0}
  .np-prog-n{margin-left:0}
  .np-edge{height:38px}
  .np-prof{grid-template-columns:1fr;gap:14px}
  .np-prof img{width:100%;height:auto;aspect-ratio:4/5}
  .ft-links{flex-direction:column;gap:0}
}