/* SBA Development — corporate stylesheet */
:root{
  --navy:#0B2545; --navy-2:#13315C; --navy-3:#1B4079;
  --ink:#132033; --body:#4A5A70; --muted:#71829B;
  --line:#E1E7EF; --line-2:#EDF1F6;
  --bg:#FFFFFF; --surface:#F6F8FB; --surface-2:#EEF2F7;
  --accent:#F58220; --accent-d:#D96C10; --accent-soft:#FFF3E7;
  --gold:#C9A227;
  --ok:#1F7A5C;
  --r:12px; --r-lg:18px;
  --sh-1:0 1px 2px rgba(16,35,60,.05);
  --sh-2:0 4px 14px rgba(16,35,60,.07);
  --sh-3:0 14px 38px rgba(16,35,60,.11);
  --wrap:1200px; --gut:24px;
  --ff:"Sarabun","Noto Sans JP",system-ui,-apple-system,"Segoe UI",sans-serif;
}
html[data-theme="dark"]{
  --navy:#0A1B31; --navy-2:#12294A; --ink:#E8EEF6; --body:#AFC0D6; --muted:#8397B2;
  --line:#22344E; --line-2:#1B2B41; --bg:#0B1524; --surface:#101F33; --surface-2:#152741;
  --sh-1:none; --sh-2:0 4px 14px rgba(0,0,0,.3); --sh-3:0 14px 38px rgba(0,0,0,.4);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--ff);font-size:16.5px;line-height:1.75;color:var(--body);
  background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy-3);text-decoration:none}
a:hover{color:var(--accent-d)}
h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.28;margin:0;letter-spacing:-.005em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2.5px solid var(--accent);outline-offset:2px;border-radius:4px}

/* layout */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.wrap--n{max-width:920px}
.sec{padding:64px 0}
@media(min-width:768px){.sec{padding:88px 0}}
@media(min-width:1100px){.sec{padding:104px 0}}
.sec--surface{background:var(--surface)}
.sec--tint{background:var(--surface-2)}
.bt{border-top:1px solid var(--line)}
.bb{border-bottom:1px solid var(--line)}
.grid{display:grid;gap:24px}
@media(min-width:640px){.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}.g4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:960px){.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}}
.mt8{margin-top:8px}.mt12{margin-top:12px}.mt16{margin-top:16px}.mt24{margin-top:24px}
.mt32{margin-top:32px}.mt40{margin-top:40px}.mt56{margin-top:56px}
.center{text-align:center}

/* type */
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:.79rem;font-weight:700;
  letter-spacing:.13em;text-transform:uppercase;color:var(--accent-d)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.center .eyebrow{justify-content:center}
.h1{font-size:clamp(2.05rem,5.1vw,3.35rem);letter-spacing:-.022em;line-height:1.16}
.h2{font-size:clamp(1.6rem,3.3vw,2.3rem);letter-spacing:-.015em}
.h3{font-size:clamp(1.14rem,1.9vw,1.32rem)}
.lead{font-size:clamp(1.02rem,1.6vw,1.14rem);color:var(--body);line-height:1.8}
.muted{color:var(--muted)}
.small{font-size:.9rem}
.tiny{font-size:.82rem}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:10px;font-weight:700;font-size:.98rem;
  border:1.5px solid transparent;cursor:pointer;transition:.22s;white-space:nowrap}
.btn--pri{background:var(--accent);color:#fff;box-shadow:0 5px 16px rgba(245,130,32,.3)}
.btn--pri:hover{background:var(--accent-d);color:#fff;transform:translateY(-1px);box-shadow:0 8px 22px rgba(245,130,32,.36)}
.btn--navy{background:var(--navy);color:#fff}
.btn--navy:hover{background:var(--navy-2);color:#fff;transform:translateY(-1px)}
.btn--ghost{border-color:var(--line);color:var(--ink);background:var(--bg)}
.btn--ghost:hover{border-color:var(--navy-3);color:var(--navy-3)}
.btn--light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.34)}
.btn--light:hover{background:rgba(255,255,255,.18);color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.center .btn-row{justify-content:center}

/* header */
.hdr{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.93);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
html[data-theme="dark"] .hdr{background:rgba(11,21,36,.92)}
.hdr__in{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand img{width:42px;height:42px;border-radius:9px}
.brand b{display:block;color:var(--ink);font-size:1.03rem;line-height:1.2;font-weight:800}
.brand span{display:block;color:var(--muted);font-size:.66rem;letter-spacing:.09em;text-transform:uppercase;font-weight:600}
.nav{display:none;margin-inline-start:auto;gap:2px}
@media(min-width:1100px){.nav{display:flex}}
.nav a{padding:9px 13px;border-radius:8px;color:var(--body);font-size:.94rem;font-weight:600}
.nav a:hover{background:var(--surface);color:var(--navy-3)}
.nav a[aria-current]{color:var(--navy-3);background:var(--surface)}
.hdr__end{display:flex;align-items:center;gap:10px;margin-inline-start:auto}
@media(min-width:1100px){.hdr__end{margin-inline-start:0}}
.langs{display:none;gap:2px;background:var(--surface);border:1px solid var(--line);
  padding:3px;border-radius:9px}
@media(min-width:520px){.langs{display:flex}}
.langs a{padding:5px 11px;border-radius:6px;font-size:.79rem;font-weight:700;color:var(--muted)}
.langs a[aria-current]{background:var(--navy);color:#fff}
.hdr .btn{padding:10px 18px;font-size:.9rem}
.hdr .btn--pri{display:none}
@media(min-width:768px){.hdr .btn--pri{display:inline-flex}}
.burger{display:grid;place-items:center;width:42px;height:42px;border-radius:9px;
  border:1px solid var(--line);background:var(--bg);cursor:pointer;color:var(--ink)}
@media(min-width:1100px){.burger{display:none}}
.icon-btn{display:grid;place-items:center;width:42px;height:42px;border-radius:9px;
  border:1px solid var(--line);background:var(--bg);cursor:pointer;color:var(--body)}
.icon-btn:hover{color:var(--accent-d);border-color:var(--accent)}
.mnav{display:none;border-top:1px solid var(--line);background:var(--bg);padding:12px 0 18px}
.mnav.open{display:block}
@media(min-width:1100px){.mnav{display:none!important}}
.mnav a{display:block;padding:11px 4px;border-bottom:1px solid var(--line-2);
  color:var(--ink);font-weight:600}
.mnav .mlangs{display:flex;gap:8px;margin-top:14px}
.mnav .mlangs a{border:1px solid var(--line);border-radius:8px;padding:8px 16px;flex:1;text-align:center}

/* hero */
.hero{position:relative;background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 52%,var(--navy-3) 100%);
  color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(760px 400px at 88% 8%,rgba(245,130,32,.20),transparent 62%),
             radial-gradient(620px 420px at 4% 96%,rgba(255,255,255,.07),transparent 62%)}
.hero__in{position:relative;z-index:1;display:grid;gap:44px;padding:62px 0 68px}
@media(min-width:1024px){.hero__in{grid-template-columns:1.06fr .94fr;align-items:center;gap:56px;padding:92px 0 96px}}
.hero .h1{color:#fff}
.hero .lead{color:#C9D8EC;margin-top:18px;max-width:57ch}
.hero .eyebrow{color:#FFC58A}
.hero .eyebrow::before{background:var(--accent)}
.ticks{display:grid;gap:11px;margin-top:30px}
.ticks li{display:flex;gap:11px;align-items:flex-start;color:#D6E3F2;font-size:.96rem}
.ticks svg{flex-shrink:0;margin-top:4px;color:var(--accent)}
.ticks b{color:#fff;font-weight:700}
.hstats{background:rgba(255,255,255,.075);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:28px;backdrop-filter:blur(8px)}
.hstats h2{color:#fff;font-size:1.06rem;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.hstats h2::before{content:"";width:3px;height:17px;background:var(--accent);border-radius:2px}
.hstats__g{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
.hstat{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--r);padding:17px 15px}
.hstat b{display:block;color:#fff;font-size:1.62rem;font-weight:800;line-height:1.1;letter-spacing:-.02em}
.hstat span{display:block;color:#A9C0DA;font-size:.79rem;margin-top:5px;line-height:1.45}

/* trust bar */
.trust{background:var(--navy);color:#fff;padding:16px 0}
.trust ul{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 0}
.trust li{padding:0 22px;font-size:.91rem;color:#BCCEE4;position:relative}
.trust li+li::before{content:"";position:absolute;inset-inline-start:0;top:50%;transform:translateY(-50%);
  width:1px;height:13px;background:rgba(255,255,255,.22)}
.trust b{color:#fff;font-weight:700}

/* cards */
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);transition:.24s}
.card:hover{border-color:#C8D5E6;box-shadow:var(--sh-2);transform:translateY(-2px)}
.card h3{margin-bottom:9px}
.card p{font-size:.96rem}
.ico{width:48px;height:48px;border-radius:12px;background:var(--accent-soft);color:var(--accent-d);
  display:grid;place-items:center;margin-bottom:18px}
html[data-theme="dark"] .ico{background:rgba(245,130,32,.14)}
.card--link{display:block;color:inherit}
.card--link:hover h3{color:var(--navy-3)}

/* course card */
.ccard{display:flex;flex-direction:column;background:var(--bg);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:.24s;color:inherit;height:100%}
.ccard:hover{border-color:#C8D5E6;box-shadow:var(--sh-3);transform:translateY(-3px)}
.ccard__top{background:linear-gradient(150deg,var(--navy),var(--navy-3));color:#fff;padding:22px 24px}
.ccard__lv{display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.2);
  border-radius:99px;padding:4px 12px;font-size:.75rem;font-weight:700;margin-bottom:11px}
.ccard__top h3{color:#fff;font-size:1.16rem}
.ccard__top p{color:#B9CDE4;font-size:.87rem;margin-top:6px}
.ccard__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.ccard__body>p{font-size:.94rem}
.meta{display:grid;gap:9px;margin-top:18px;padding-top:17px;border-top:1px solid var(--line-2)}
.meta div{display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:var(--body)}
.meta svg{flex-shrink:0;margin-top:3px;color:var(--muted)}
.ccard__foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.byline{display:flex;align-items:center;gap:9px;font-size:.86rem;color:var(--muted)}
.byline img{width:34px;height:34px;border-radius:50%;object-fit:cover;object-position:center top}
.more{color:var(--accent-d);font-weight:700;font-size:.9rem;white-space:nowrap}

/* teacher card */
.tcard{display:block;color:inherit;background:var(--bg);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:.24s}
.tcard:hover{border-color:#C8D5E6;box-shadow:var(--sh-3);transform:translateY(-3px)}
.tcard__ph{position:relative;aspect-ratio:3/4;background:var(--surface-2);overflow:hidden}
.tcard__ph img{width:100%;height:100%;object-fit:cover;object-position:center 12%;transition:.5s}
.tcard:hover .tcard__ph img{transform:scale(1.035)}
.tcard__bd{padding:19px 20px 22px}
.tcard__bd h3{font-size:1.08rem}
.tcard__bd .role{color:var(--muted);font-size:.87rem;margin-top:3px}
.chip{position:absolute;inset-block-start:12px;inset-inline-start:12px;background:rgba(11,37,69,.9);
  color:#fff;border-radius:99px;padding:5px 12px;font-size:.73rem;font-weight:700;backdrop-filter:blur(6px)}
.chip--gold{background:rgba(201,162,39,.94)}

/* page header */
.phead{background:linear-gradient(155deg,var(--navy),var(--navy-2));color:#fff;padding:52px 0}
@media(min-width:768px){.phead{padding:72px 0}}
.phead .h1{color:#fff}
.phead .lead{color:#BFD1E7;margin-top:14px;max-width:62ch}
.phead .eyebrow{color:#FFC58A}
.crumb{display:flex;flex-wrap:wrap;gap:7px;font-size:.83rem;color:#93AECD;margin-bottom:15px}
.crumb a{color:#93AECD}.crumb a:hover{color:#fff}

/* profile */
.prof{display:grid;gap:34px}
@media(min-width:900px){.prof{grid-template-columns:330px 1fr;gap:48px;align-items:start}}
.prof__ph{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2);position:sticky;top:92px}
.prof__ph img{aspect-ratio:3/4;object-fit:cover;object-position:center 12%;width:100%}
.qblock{border-inline-start:3px solid var(--accent);padding:6px 0 6px 20px;margin:0;
  font-size:1.06rem;color:var(--ink);font-weight:600;line-height:1.72}
.block{margin-top:38px}
.block>h2{font-size:1.16rem;display:flex;align-items:center;gap:10px;margin-bottom:16px}
.block>h2::before{content:"";width:3px;height:17px;background:var(--accent);border-radius:2px}
.bullets li{position:relative;padding-inline-start:24px;margin-bottom:11px;font-size:.97rem}
.bullets li::before{content:"";position:absolute;inset-inline-start:2px;top:11px;width:7px;height:7px;
  border-radius:50%;background:var(--accent);opacity:.85}
.tags{display:flex;flex-wrap:wrap;gap:9px}
.tag{background:var(--surface);border:1px solid var(--line);border-radius:8px;
  padding:8px 14px;font-size:.89rem;color:var(--ink);font-weight:600}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px}

/* detail meta strip */
.dstrip{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;margin-top:32px}
@media(min-width:640px){.dstrip{grid-template-columns:repeat(3,1fr)}}
.dstrip div{background:var(--bg);padding:19px 22px}
.dstrip dt{color:var(--muted);font-size:.79rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.dstrip dd{margin:6px 0 0;color:var(--ink);font-weight:600;font-size:.97rem}

/* steps */
.steps{counter-reset:s}
.step{position:relative;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-15px;inset-inline-start:24px;
  width:34px;height:34px;border-radius:9px;background:var(--navy);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:.94rem}
.step h3{margin-top:10px;font-size:1.04rem}
.step p{font-size:.93rem;margin-top:7px}

/* cta band */
.cta{background:linear-gradient(150deg,var(--navy),var(--navy-3));color:#fff;
  border-radius:var(--r-lg);padding:44px 32px;text-align:center;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 300px at 50% -10%,rgba(245,130,32,.22),transparent 66%)}
.cta>*{position:relative;z-index:1}
.cta h2{color:#fff}
.cta p{color:#C4D6EB;margin-top:12px;max-width:56ch;margin-inline:auto}
@media(min-width:768px){.cta{padding:60px 48px}}

/* footer */
.ftr{background:var(--navy);color:#B4C8E0;padding-top:56px}
.ftr h4{color:#fff;font-size:.86rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:15px}
.ftr a{color:#B4C8E0;font-size:.94rem}
.ftr a:hover{color:#fff}
.ftr li{margin-bottom:9px}
.ftr__g{display:grid;gap:34px}
@media(min-width:720px){.ftr__g{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.ftr .brand b{color:#fff}.ftr .brand span{color:#8CA6C6}
.ftr__bot{margin-top:44px;border-top:1px solid rgba(255,255,255,.13);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:.85rem;color:#8CA6C6}

/* line float */
.lfloat{position:fixed;inset-block-end:22px;inset-inline-end:22px;z-index:90;
  display:inline-flex;align-items:center;gap:9px;background:#06C755;color:#fff;
  padding:13px 20px;border-radius:99px;font-weight:700;font-size:.94rem;
  box-shadow:0 8px 26px rgba(6,199,85,.42);transition:.22s}
.lfloat:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 32px rgba(6,199,85,.5)}
@media(max-width:520px){.lfloat span{display:none}.lfloat{padding:15px;inset-block-end:16px;inset-inline-end:16px}}

/* reveal */
.rv{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition:none!important}}

/* hero with photo background */
.hero--photo{background:var(--navy)}
.hero--photo::before{content:"";position:absolute;inset:0;
  background-image:url("/assets/img/hero.jpg");
  background-size:cover;background-position:72% 32%;opacity:.5}
.hero--photo::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(100deg,rgba(8,26,50,.96) 0%,rgba(9,30,58,.9) 34%,rgba(11,37,69,.68) 62%,rgba(11,37,69,.5) 100%),
             radial-gradient(720px 420px at 92% 12%,rgba(245,130,32,.2),transparent 62%)}
@media(max-width:1023px){
  .hero--photo::before{background-position:66% 26%;opacity:.36}
  .hero--photo::after{background:linear-gradient(180deg,rgba(9,28,54,.93),rgba(11,37,69,.9))}
}

/* ===== teacher card — circular portrait ===== */
.tcard{text-align:center;padding:32px 22px 28px}
.tcard__ph{width:136px;height:136px;margin:0 auto 20px;position:relative;
  border-radius:50%;flex:none}
.tcard__ph::after{content:"";position:absolute;inset:-5px;border-radius:50%;
  border:2px solid var(--line);transition:border-color .25s}
.tcard:hover .tcard__ph::after{border-color:var(--accent)}
.tcard__ph img{width:136px;height:136px;border-radius:50%;object-fit:cover;
  object-position:center;box-shadow:0 6px 20px rgba(16,35,60,.15);display:block}
.tcard:hover .tcard__ph img{transform:none}
.tcard__bd{padding:0}
.tcard__bd h3{font-size:1.12rem;line-height:1.35}
.tcard__bd .role{color:var(--muted);font-size:.89rem;margin-top:6px;line-height:1.55}
.tcard .chip{position:static;display:inline-block;margin-top:14px;
  background:var(--surface-2);color:var(--navy-3);backdrop-filter:none;
  border-radius:99px;padding:5px 14px;font-size:.75rem;font-weight:700}
html[data-theme="dark"] .tcard .chip{background:var(--surface-2);color:#BFD6F0}
.tcard .chip--gold{background:rgba(201,162,39,.16);color:#8A6F14}
html[data-theme="dark"] .tcard .chip--gold{background:rgba(201,162,39,.2);color:#E3C77A}
/* profile portrait */
.prof__ph{border:0;box-shadow:none;background:none}
.prof__ph img{aspect-ratio:1;border-radius:var(--r-lg);object-fit:cover;
  box-shadow:var(--sh-3);border:1px solid var(--line)}
.byline img{object-position:center}

/* proof strip */
.proof{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden}
@media(min-width:640px){.proof{grid-template-columns:repeat(2,1fr)}}
@media(min-width:980px){.proof{grid-template-columns:repeat(4,1fr)}}
.proof div{background:var(--bg);padding:26px 22px;text-align:center}
.proof b{display:block;font-size:2rem;font-weight:800;color:var(--navy-3);
  letter-spacing:-.025em;line-height:1.1}
.proof span{display:block;margin-top:7px;font-size:.9rem;color:var(--body);line-height:1.5}

/* faq */
.faq{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--bg)}
.faq details{border-bottom:1px solid var(--line-2)}
.faq details:last-child{border-bottom:0}
.faq summary{padding:20px 24px;cursor:pointer;font-weight:700;color:var(--ink);
  list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:flex-start;
  font-size:1rem;transition:background .2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:var(--surface)}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--accent);line-height:1;flex-shrink:0;
  transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 24px 22px;color:var(--body);font-size:.96rem;line-height:1.8}

/* testimonial */
.tm{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);display:flex;flex-direction:column}
.tm__q{color:var(--ink);font-size:1rem;line-height:1.85;flex:1}
.tm__q::before{content:"\201C";display:block;font-size:2.6rem;line-height:.6;
  color:var(--accent);opacity:.5;margin-bottom:10px}
.tm__who{margin-top:20px;padding-top:16px;border-top:1px solid var(--line-2);
  font-size:.88rem;color:var(--muted)}
.tm__who b{display:block;color:var(--ink);font-size:.95rem}

/* flow (numbered, vertical on mobile) */
.flow{counter-reset:f;display:grid;gap:18px}
@media(min-width:900px){.flow{grid-template-columns:repeat(4,1fr);gap:22px}}
.flow>div{position:relative;background:var(--bg);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:30px 24px 26px}
.flow>div::before{counter-increment:f;content:"0" counter(f);
  display:block;font-size:.86rem;font-weight:800;letter-spacing:.1em;color:var(--accent);margin-bottom:12px}
.flow h3{font-size:1.03rem}
.flow p{font-size:.93rem;margin-top:8px}

/* ===== core business band (hero) ===== */
.core{margin-top:34px;padding:24px 0 4px;border-top:1px solid rgba(255,255,255,.16)}
.core__row{display:flex;flex-wrap:wrap;align-items:center;gap:14px 18px}
.core__row b{color:#fff;font-weight:800;letter-spacing:-.01em;line-height:1.1;
  font-size:clamp(1.72rem,4.4vw,2.5rem)}
.core__dot{width:9px;height:9px;border-radius:50%;background:var(--accent);flex-shrink:0;
  box-shadow:0 0 0 4px rgba(245,130,32,.18)}
.core__sub{margin-top:12px;display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 16px;
  color:#B7CBE4;font-size:.95rem;letter-spacing:.02em}
.core__sub span{color:#8FA9C8;font-size:.9rem;position:relative;padding-inline-start:17px}
.core__sub span::before{content:"";position:absolute;inset-inline-start:0;top:50%;
  transform:translateY(-50%);width:1px;height:13px;background:rgba(255,255,255,.24)}
@media(max-width:520px){
  .core__sub span{padding-inline-start:0}
  .core__sub span::before{display:none}
}

/* hero: ปุ่มหลายตัว */
.hero .btn-row{gap:10px}
.hero .btn--light{padding:12px 20px;font-size:.93rem}
@media(max-width:400px){.hero .btn{flex:1 1 100%}}
/* anchor ไม่ให้ถูกเฮดเดอร์บัง */
[id]{scroll-margin-top:92px}