:root{
  --brand:#476B5E; --brand-deep:#345448; --brand-bg:#EAF1EC; --brand-line:#CFDED4;
  --peach:#A95830; --peach-bg:#FFF0E5;
  --ink:#252E29; --body:#56625B; --faint:#65716A; --line:#E3E8E5;
  --canvas:#F7FAF8; --surface:#FFFFFF;
  --radius:17px; --radius-cta:14px;
  --gutter:16px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--canvas);color:var(--ink);font-family:"Pretendard Variable",Pretendard,-apple-system,system-ui,"Noto Sans Thai","Noto Sans Khmer","Noto Sans JP","Noto Sans SC","Malgun Gothic",sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-wrap:anywhere}
h1,h2,h3,p{margin:0}
h1,h2,h3{letter-spacing:-.02em;text-wrap:balance}
a{color:inherit}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1040px;margin:0 auto;padding:0 var(--gutter)}
.muted{color:var(--body)}
svg{flex:none}


.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--canvas) 90%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:12px;height:60px}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink)}
.mark{width:30px;height:30px;border-radius:9px;background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center}
.top nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.top nav a{font-size:15px;font-weight:600;text-decoration:none;padding:8px 10px;border-radius:10px;color:var(--body)}
.top nav a.go{background:var(--brand);color:#fff;padding:8px 14px}


.cta{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 22px;border-radius:var(--radius-cta);font-size:17px;font-weight:700;text-decoration:none;border:1.5px solid transparent}
.btn.primary{background:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-deep)}
.btn.ghost{border-color:var(--brand-line);color:var(--brand-deep);background:var(--surface)}
.btn.ghost:hover{border-color:var(--brand)}


section{padding:40px 0}
.band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:grid;gap:8px;max-width:680px;margin-bottom:22px}
.kicker{font-size:14px;font-weight:700;color:var(--brand)}
.sec-head h2{font-size:clamp(24px,5.4vw,32px);line-height:1.28;font-weight:800}
.sec-head p{font-size:16.5px;color:var(--body)}


.hero{padding:32px 0 36px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand-deep);background:var(--brand-bg);border-radius:999px;padding:5px 12px 5px 10px;max-width:100%}
.hero h1{font-size:clamp(31px,8vw,50px);line-height:1.2;font-weight:800;margin:14px 0 12px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero .lead{font-size:17.5px;color:var(--body);max-width:36em}
.hero .cta{margin-top:22px}
.hero .note{margin-top:12px;font-size:14.5px;color:var(--faint);display:flex;gap:6px;align-items:flex-start}


.tabs{display:inline-flex;gap:4px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:4px;margin-bottom:18px;max-width:100%}
.tab{border:0;background:none;font:inherit;font-size:15px;font-weight:700;color:var(--body);padding:9px 16px;border-radius:999px;cursor:pointer;white-space:nowrap}
.tab[aria-selected="true"]{background:var(--brand);color:#fff}
.scene{display:grid;gap:18px;align-items:start}
.scene[hidden]{display:none}
.scene-fig{max-width:420px;width:100%;justify-self:center}
.scene-zoom{display:block;position:relative;text-decoration:none}
.scene-img{display:block;width:100%;height:auto;border-radius:18px;border:1px solid var(--line);background:#EFE6D8}
.zoom-tip{position:absolute;right:10px;bottom:10px;font-size:12.5px;font-weight:700;color:#fff;background:rgb(31 39 35/.72);border-radius:999px;padding:4px 10px}
.scene-cap{font-size:13.5px;color:var(--faint);margin-top:8px;text-align:center}
.keys{display:grid;gap:14px;min-width:0}
.key{display:grid;gap:8px}
.k-lbl{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--body)}
.k-n{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--brand);color:#fff;font-size:13px;font-weight:800;flex:none}
.k-say{font-size:17px;font-weight:600;line-height:1.5}
.k-say mark{background:none;color:inherit;font-weight:800;border-bottom:2.5px solid var(--ink)}
.k-mean{font-size:14.5px;color:var(--body)}.k-mean b{font-size:12.5px;color:var(--faint);margin-right:6px}
.k-cards{display:grid;gap:10px}
.c-card{border-radius:14px;padding:13px 14px;display:grid;gap:7px;align-content:start}
.c-card.bad{background:#F6F7F6;border:1px solid var(--line)}
.c-card.good{background:#EEF3F0;border:1.5px solid var(--brand)}
.c-hd{display:flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700}
.c-card.bad .c-hd{color:var(--body)}.c-card.good .c-hd{color:var(--brand-deep)}
.c-tx{font-size:16px;line-height:1.5}
.c-vi{font-size:14px;line-height:1.5;color:var(--body)}
.c-back{font-size:15px;line-height:1.5;padding-top:7px;border-top:1px dashed #D5DAD7}
.c-back b{display:block;font-size:12px;color:var(--faint);margin-bottom:2px}
.c-card mark{background:none;color:inherit;font-weight:800}
.c-card.bad mark{color:#C23A22;background:#FCE9E4;border-bottom:3px solid #C23A22;padding:0 3px;border-radius:3px}
.c-card.good mark{color:var(--brand-deep);border-bottom:2.5px solid var(--brand-deep)}
.c-why{font-size:13.5px;line-height:1.5;font-weight:600}
.c-card.bad .c-why{color:#B23A24}.c-card.good .c-why{color:var(--brand-deep)}
.more-keys summary{display:flex;align-items:center;gap:8px;cursor:pointer;list-style:none;font-size:15px;font-weight:700;color:var(--brand-deep);background:var(--surface);border:1px dashed var(--brand-line);border-radius:12px;padding:11px 14px}
.more-keys summary::-webkit-details-marker{display:none}
.more-keys summary svg{transition:transform .2s;margin-left:auto}
.more-keys[open] summary svg{transform:rotate(180deg)}
.more-keys[open] summary{margin-bottom:14px}
.more-keys .keys{gap:22px}
.cmp-foot{margin-top:18px;font-size:12.5px;color:var(--faint)}


.pains{display:grid;gap:10px}
.pain{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;background:var(--canvas);border:1px solid var(--line);border-radius:var(--radius);padding:15px}
.pain .ic{width:38px;height:38px;border-radius:12px;background:var(--peach-bg);color:var(--peach);display:grid;place-items:center}
.pain h3{font-size:16.5px;font-weight:700;margin-bottom:2px}
.pain p{color:var(--body);font-size:15px}


.steps{display:grid;gap:10px;list-style:none;margin:0;padding:0}
.step{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:15px}
.step .n{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:10px;background:var(--brand);color:#fff;font-weight:800;font-size:15px;font-variant-numeric:tabular-nums}
.step h3{font-size:17px;font-weight:700;margin-bottom:2px}
.step p{color:var(--body);font-size:15px}
.rel{margin-top:14px;font-size:14.5px;color:var(--body)}
.rel b{color:var(--brand-deep);margin-right:4px}


.feats{display:grid;gap:10px}
.feat{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;background:var(--canvas);border:1px solid var(--line);border-radius:var(--radius);padding:15px}
.feat .ic{width:38px;height:38px;border-radius:12px;background:var(--brand-bg);color:var(--brand);display:grid;place-items:center}
.feat h3{font-size:16.5px;font-weight:700;margin-bottom:2px}
.feat p{color:var(--body);font-size:15px}
.extras{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:8px}
.extras li{display:flex;gap:9px;align-items:flex-start;font-size:14.5px;color:var(--body)}
.extras li svg{color:var(--brand);margin-top:2px}
.extras b{color:var(--ink)}


.lang-chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.lang-chips li{display:inline-flex;align-items:center;gap:7px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:15.5px;font-weight:600}
.lang-chips li.ok{background:var(--brand-bg);border-color:transparent;color:var(--brand-deep)}
.lang-chips small{font-size:11.5px;font-weight:700;color:var(--faint);border:1px solid var(--line);border-radius:999px;padding:1px 7px;background:var(--canvas)}
.lang-chips li.ok small{color:var(--brand-deep);border-color:var(--brand-line);background:var(--surface)}
.lang-note{margin-top:14px;font-size:14.5px;color:var(--body)}


.free{background:var(--brand-deep);color:#fff;border-radius:22px;padding:24px 20px;display:grid;gap:18px}
.free h2{font-size:clamp(23px,5.2vw,30px);font-weight:800;line-height:1.3}
.stats{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.stats li{background:rgb(255 255 255/.08);border:1px solid rgb(255 255 255/.16);border-radius:14px;padding:13px 15px}
.stats b{display:block;font-size:26px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stats span{font-size:14.5px;color:rgb(255 255 255/.88)}
.free .fine{font-size:14px;line-height:1.65;color:rgb(255 255 255/.82)}
.free .mail{display:inline-flex;align-items:center;gap:7px;font-weight:700;color:#fff;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}


.end h2{font-size:clamp(24px,5.4vw,32px);font-weight:800;line-height:1.3;margin-bottom:8px}
.end p{color:var(--body);font-size:16.5px;margin-bottom:18px}

footer{border-top:1px solid var(--line);padding:22px 0 calc(30px + env(safe-area-inset-bottom));font-size:14px;color:var(--faint)}
footer .wrap{display:grid;gap:8px}
footer nav{display:flex;flex-wrap:wrap;gap:6px 18px}
footer a{text-decoration:none}
footer a:hover{text-decoration:underline}
footer .foot-biz{font-size:12px;line-height:1.7}

@media (min-width:720px){
  :root{--gutter:24px}
  section{padding:56px 0}
  .pains{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .feats{grid-template-columns:repeat(2,1fr)}
  .extras{grid-template-columns:repeat(2,1fr);gap:8px 24px}
  .k-cards{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(3,1fr)}
  .free{padding:34px 36px}
}
@media (min-width:960px){
  .hero{padding:56px 0 52px}
  .scene{grid-template-columns:400px minmax(0,1fr);gap:32px}
  .scene-fig{position:sticky;top:76px}
}


.scenes{display:grid;gap:14px}
.sc{background:var(--canvas);border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:grid;gap:10px;align-content:start}
.sc-h{display:flex;flex-direction:column;align-items:flex-start;gap:6px}
.sc-h b{font-size:16.5px;font-weight:800}
.sc .pair{font-size:12px;font-weight:700;color:var(--brand-deep);background:var(--brand-bg);border-radius:999px;padding:3px 9px;white-space:nowrap}
.sc .b{padding:8px 12px;border-radius:16px;border-top-left-radius:6px;background:var(--surface);border:1px solid var(--line);font-size:15px;line-height:1.5;margin:0}
.sc .b small{display:block;font-size:11.5px;font-weight:700;color:var(--faint);margin-bottom:2px;letter-spacing:.02em}
.sc .b .tr{display:block;margin-top:4px;color:var(--body);font-size:.92em;line-height:1.42}
.sc-why{font-size:13.5px;color:var(--body);display:flex;gap:6px;align-items:flex-start;margin:0}
.sc-why svg{color:var(--brand);margin-top:2px;flex-shrink:0}
@media (min-width:720px){.scenes{grid-template-columns:1fr 1fr}}
@media (min-width:1000px){.scenes{grid-template-columns:repeat(4,1fr)}}
.lang-menu{position:relative}
.lang-menu summary{list-style:none;display:flex;align-items:center;gap:6px;cursor:pointer;font-size:14px;font-weight:600;color:var(--ink);padding:6px 10px;border:1px solid var(--line);background:var(--surface);border-radius:12px;min-height:40px}
.lang-menu summary svg:last-child{transition:transform .15s}
.lang-menu[open] summary svg:last-child{transform:rotate(180deg)}
.lang-menu summary::-webkit-details-marker{display:none}
.lang-menu summary:hover,.lang-menu[open] summary{background:var(--brand-bg);color:var(--brand-deep)}
.lang-list{position:absolute;right:0;top:calc(100% + 6px);background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 24px rgb(0 0 0 / .08);padding:6px;display:grid;min-width:150px;z-index:20}
.lang-list a{display:block;padding:10px 12px;border-radius:8px;font-size:15px;font-weight:600;color:var(--ink);text-decoration:none}
.lang-list a:hover{background:var(--brand-bg)}
.lang-list a[aria-current]{color:var(--brand-deep);background:var(--brand-bg)}
.lang-suggest{background:var(--brand-bg);border-bottom:1px solid var(--brand-line)}
.lang-suggest .wrap{display:flex;align-items:center;gap:8px;min-height:44px}
.lang-suggest a{flex:1;font-size:15px;font-weight:700;color:var(--brand-deep);text-decoration:none;padding:10px 0}
.lang-suggest button{border:0;background:none;color:var(--faint);width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;border-radius:10px}
.faq{display:grid;gap:10px}
.qa{background:var(--canvas);border:1px solid var(--line);border-radius:14px}
.band .qa{background:var(--canvas)}
.qa summary{list-style:none;display:flex;align-items:center;gap:10px;cursor:pointer;padding:16px 18px;font-size:16px;font-weight:700;color:var(--ink);min-height:52px}
.qa summary::-webkit-details-marker{display:none}
.qa summary svg{margin-left:auto;flex:none;color:var(--faint);transition:transform .2s}
.qa[open] summary svg{transform:rotate(180deg)}
.qa p{padding:0 18px 16px;color:var(--body);font-size:15.5px;line-height:1.65}
.foot-langs{display:flex;flex-wrap:wrap;gap:6px 14px}
.foot-langs a[aria-current]{color:var(--ink);font-weight:700}
@media (max-width:420px){.top nav a{padding:8px 7px}.lang-menu summary span{display:none}}
@media (max-width:600px){.tabs{display:grid;grid-template-columns:1fr 1fr;border-radius:16px;width:100%}.tab{white-space:normal;line-height:1.3;border-radius:12px;padding:9px 10px}}
.lang-chips a{color:inherit;text-decoration:none}
.lang-chips a:hover{text-decoration:underline}