:root{
  /* palette: colorhunt fbefef · ffe2e2 · f5cbcb · c5b3d3 */
  --base:#FBEFEF;
  --soft:#FFE2E2;
  --mid:#F5CBCB;
  --accent:#C5B3D3;
  --ink:#33263d;       /* 팔레트 위에서 읽히는 짙은 플럼 */
  --mute:#6f6177;
  --card:#fffafa;
  --line:rgba(51,38,61,.14);
  --go:#2f7d5b;        /* GREEN 판정 */
  --stop:#c4443a;      /* RED 판정 */
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --sans:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;
  --gut:20px;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--base);color:var(--ink);font:16px/1.7 var(--sans);word-break:keep-all;overflow-wrap:anywhere;-webkit-tap-highlight-color:transparent}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-underline-offset:3px}
.wrap{max-width:800px;margin:0 auto;padding-inline:max(var(--gut),env(safe-area-inset-left)) max(var(--gut),env(safe-area-inset-right))}

/* hero — 출발 안내판 */
.hero{background:var(--accent);padding:20px 0 36px}
.board{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;margin:0 0 26px;font:600 12.5px/1.4 var(--mono);letter-spacing:.06em}
.board-code{background:var(--ink);color:var(--base);padding:3px 8px;border-radius:3px}
.board-date{margin-left:auto;font-weight:700}
h1{margin:0;font-size:clamp(32px,9.2vw,60px);line-height:1.16;font-weight:800;letter-spacing:-.025em;text-wrap:balance}
h1 em{font-style:normal;background:linear-gradient(transparent 56%,var(--base) 56%);padding-inline:2px}
.hero-sub{margin:20px 0 0;max-width:34em;font-size:16.5px}
.rule{margin-top:28px;padding:18px 20px;background:var(--base);border-radius:12px}
.rule-tag{font:700 12px/1 var(--mono);letter-spacing:.04em}
.rule p{margin:8px 0 4px;font-size:clamp(19px,5vw,24px);line-height:1.35;font-weight:700;letter-spacing:-.01em}
.rule small{font-size:14px;color:var(--mute)}

/* 상단 바 + 햄버거 메뉴 */
.bar{position:sticky;top:0;z-index:10;padding-top:env(safe-area-inset-top);background:var(--accent);transition:background .3s,box-shadow .3s}
.bar.stuck{background:rgba(251,239,239,.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line)}
.bar-in{display:flex;align-items:center;gap:12px;height:56px}
.bar-title{flex:none;font-weight:800;font-size:16px;letter-spacing:-.02em;text-decoration:none}
.bar-now{flex:1;min-width:0;font:600 12.5px/1 var(--mono);letter-spacing:.04em;color:var(--mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:0;transform:translateY(4px);transition:opacity .3s,transform .4s var(--ease)}
.bar.stuck .bar-now{opacity:1;transform:none}
.burger{flex:none;position:relative;width:44px;height:44px;margin-right:-10px;padding:0;border:0;border-radius:50%;background:transparent;color:var(--ink);cursor:pointer;transition:background .2s,transform .2s var(--ease)}
.burger:hover{background:rgba(51,38,61,.08)}
.burger:active{transform:scale(.92)}
.burger span{position:absolute;left:12px;right:12px;top:50%;height:2px;margin-top:-1px;border-radius:2px;background:currentColor;transition:transform .4s var(--ease),opacity .2s}
.burger span:nth-child(1){transform:translateY(-6px)}
.burger span:nth-child(3){transform:translateY(6px)}
.burger[aria-expanded="true"] span:nth-child(1){transform:rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:rotate(-45deg)}

.menu-shade{position:fixed;inset:0;z-index:8;background:rgba(32,24,40,.36);opacity:0;visibility:hidden;transition:opacity .3s,visibility 0s .3s}
.menu-shade.open{opacity:1;visibility:visible;transition:opacity .3s}
.menu{position:fixed;top:0;right:0;bottom:0;z-index:9;width:min(86vw,340px);padding:calc(76px + env(safe-area-inset-top)) 24px calc(24px + env(safe-area-inset-bottom));background:var(--card);overflow-y:auto;overscroll-behavior:contain;transform:translateX(102%);visibility:hidden;transition:transform .3s ease-in,visibility 0s .3s}
.menu.open{transform:none;visibility:visible;transition:transform .5s var(--ease);box-shadow:-20px 0 50px -20px rgba(51,38,61,.3)}
.menu-label{margin:0 0 10px;font:600 12.5px/1.4 var(--mono);letter-spacing:.06em;color:var(--mute)}
.menu ol{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.menu a{display:flex;align-items:baseline;gap:14px;padding:14px 4px;border-bottom:1px solid var(--line);font-size:17px;font-weight:600;letter-spacing:-.01em;text-decoration:none;transition:padding .3s var(--ease)}
.menu a i{flex:none;width:22px;font:600 12.5px var(--mono);font-style:normal;color:var(--mute)}
.menu a:hover{padding-left:12px}
.menu a[aria-current="true"]{padding-left:12px;box-shadow:inset 3px 0 0 var(--accent)}
.menu.open li{animation:menu-in .5s var(--ease) both;animation-delay:calc(var(--i) * 30ms)}
@keyframes menu-in{from{opacity:0;transform:translateX(16px)}}
body.menu-open{overflow:hidden}

/* sections */
section{padding:56px 0 8px;scroll-margin-top:64px}
.eyebrow{margin:0 0 6px;font:600 12.5px/1.4 var(--mono);letter-spacing:.06em;color:var(--mute)}
h2{margin:0 0 18px;font-size:clamp(25px,6.5vw,36px);line-height:1.22;font-weight:800;letter-spacing:-.02em;text-wrap:balance}
h3{margin:34px 0 12px;font-size:19px;line-height:1.35;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 14px}
.note{color:var(--mute);font-size:14.5px;line-height:1.6}
.warn{padding:14px 16px;background:rgba(197,179,211,.4);border-left:4px solid var(--stop);border-radius:6px;font-size:14.5px;line-height:1.6}
.btn{display:inline-block;padding:12px 18px;background:var(--ink);color:var(--base);border-radius:10px;font-weight:700;text-decoration:none}
.btn:hover{opacity:.88}
.scroll{overflow-x:auto;margin:0 0 14px;border-radius:12px}

/* tables */
table{width:100%;border-collapse:collapse;background:var(--card);border-radius:12px;overflow:hidden;font-size:15px;line-height:1.5}
th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
tr:last-child>*{border-bottom:0}
td small{display:block;color:var(--mute);font-size:13px}
.cmp th,.cmp td{padding:11px 10px}
.cmp thead th{font-size:13px;font-weight:700;background:var(--soft)}
.cmp thead th.new{background:var(--accent)}
.cmp tbody th{width:74px;font-weight:700}
.cmp td.new{background:rgba(245,203,203,.32)}
.plain th{width:42%;font-weight:600;background:var(--soft)}
.plain td.hl{font-weight:800;color:var(--go)}

/* facts */
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:20px}
.fact{background:var(--mid);border-radius:12px;padding:16px 14px}
.fact:nth-child(2){background:var(--soft)}
.fact:nth-child(3){background:var(--accent)}
.fact b{display:block;font-size:clamp(28px,8vw,40px);line-height:1;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.fact i{font-style:normal;font-size:.45em;margin-left:2px;letter-spacing:0}
.fact span{display:block;margin-top:8px;font-size:13.5px;line-height:1.45}

.list{margin:0 0 14px;padding-left:20px}
.list li{margin:7px 0}

/* route */
.route{list-style:none;margin:0;padding:0;position:relative}
.route::before{content:"";position:absolute;left:17px;top:18px;bottom:18px;width:2px;background:repeating-linear-gradient(var(--mid) 0 6px,transparent 6px 12px)}
.route li{position:relative;display:flex;gap:14px;padding:10px 0}
.route .n{flex:none;width:36px;height:36px;border-radius:50%;background:var(--ink);color:var(--base);display:grid;place-items:center;font:700 15px var(--mono)}
.route b{font-size:17.5px}
.route p{margin:2px 0 0;color:var(--mute);font-size:15px;line-height:1.55}
.route li.key .n{background:var(--accent);color:var(--ink);box-shadow:0 0 0 2px var(--ink)}
.route li.key b{background:linear-gradient(transparent 58%,var(--accent) 58%)}

/* verdicts */
.verdicts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px}
.verdict{border-radius:12px;padding:18px;color:#fff}
.verdict.green{background:var(--go)}
.verdict.red{background:var(--stop)}
.verdict span{font:700 13px var(--mono);letter-spacing:.1em;opacity:.9}
.verdict b{display:block;margin:6px 0 4px;font-size:21px;line-height:1.25}
.verdict p{margin:0;font-size:14.5px;line-height:1.5}

/* checklist */
.check{margin-top:30px;padding:20px;background:var(--card);border-radius:14px}
.check h3{margin-top:0}
.check label{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-top:1px solid var(--line);cursor:pointer}
.check input{flex:none;width:22px;height:22px;margin:2px 0 0;accent-color:var(--ink)}
.check input:checked+span{color:var(--mute);text-decoration:line-through}

/* airports */
.airports{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;margin-bottom:16px}
.airports span{background:var(--card);border:1px solid var(--soft);border-radius:10px;padding:12px 14px;font-weight:600}
.airports b{font:700 15px var(--mono);margin-right:10px;background:var(--soft);padding:2px 6px;border-radius:4px}
.ticks{list-style:none;margin:0 0 16px;padding:0}
.ticks li{position:relative;padding:8px 0 8px 34px}
.ticks li::before{content:"✓";position:absolute;left:0;top:10px;width:22px;height:22px;border-radius:50%;background:var(--accent);color:var(--ink);font-size:13px;font-weight:800;display:grid;place-items:center}
.ticks b{display:block;font-size:17px}
.ticks span{color:var(--mute);font-size:14.5px}

/* figures */
figure{margin:0}
figcaption{margin-top:8px;color:var(--mute);font-size:13.5px;line-height:1.5}
.zoom{cursor:zoom-in}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:10px}
.pair img{border-radius:10px;border:1px solid var(--line)}
.shot{margin:14px 0 18px;padding:16px;background:#fff;border:1px solid var(--soft);border-radius:14px}
.shot img{margin:0 auto}
.shot.wide img{max-width:520px;width:100%}
.shot.narrow img{max-width:200px}
.shots{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px}
.shots .shot{margin:0 0 18px}

/* steps */
.steps{list-style:none;margin:24px 0 16px;padding:0}
.steps>li{padding:22px 0 6px;border-top:2px solid var(--ink)}
.steps h3{margin:0 0 10px;font-size:20px}
.steps h3 span{display:inline-block;margin-right:10px;padding:2px 8px;background:var(--accent);border-radius:4px;font:700 12.5px/1.6 var(--mono);letter-spacing:.04em;vertical-align:2px}
.mini{margin:0 0 14px;padding-left:22px}
.mini li{margin:5px 0}

/* calc */
.calc{margin-top:26px;padding:20px;background:var(--soft);border-radius:14px}
.calc h3{margin-top:0}
.calc-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.calc label{display:block;font-size:13.5px;font-weight:600}
.calc input,.calc select{display:block;width:100%;min-height:48px;margin-top:6px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font:600 17px var(--sans);font-variant-numeric:tabular-nums}
.calc-out{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 12px;margin:18px 0 6px;padding-top:16px;border-top:1px dashed rgba(51,38,61,.35)}
.calc-out b{font-size:clamp(30px,9vw,42px);line-height:1;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.calc .note{margin-bottom:6px}

/* traps */
.traps{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.traps li{position:relative;padding:14px 16px 14px 50px;background:var(--card);border-radius:12px}
.traps li::before{position:absolute;left:14px;top:15px;width:24px;height:24px;border-radius:50%;font-size:13px;font-weight:800;display:grid;place-items:center}
.traps .x::before{content:"✕";background:var(--stop);color:#fff}
.traps .o::before{content:"✓";background:var(--mid);color:var(--ink)}
.traps b{font-size:17px}
.traps p{margin:3px 0 0;color:var(--mute);font-size:15px;line-height:1.55}

/* gear */
.gear{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:10px}
.gear li{display:flex;gap:14px;padding:12px;background:var(--card);border-radius:14px}
.gear img{flex:none;width:92px;height:92px;object-fit:contain;border-radius:10px;background:#fff}
.gear b{display:block;line-height:1.35}
.gear p{margin:4px 0 6px;color:var(--mute);font-size:14px;line-height:1.5}
.gear span{font-size:14px;font-weight:600;font-variant-numeric:tabular-nums}
.gear a{display:inline-block;padding:4px 0}

/* strips */
.strip{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;padding-bottom:10px;margin:0 calc(var(--gut) * -1) 10px;padding-inline:var(--gut);scroll-padding-inline:var(--gut)}
.strip img{flex:none;scroll-snap-align:start;border-radius:12px}
.strip.cards img{width:min(74vw,300px)}
.strip.sq img{width:min(74vw,280px);border:1px solid var(--line)}

/* faq */
details{background:var(--card);border-radius:12px;margin-bottom:8px}
summary{cursor:pointer;padding:15px 44px 15px 16px;font-weight:700;line-height:1.45;list-style:none;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:16px;top:11px;font:400 22px var(--mono);color:var(--mute)}
details[open]{background:var(--soft)}
details[open] summary::after{content:"–"}
details p{margin:0;padding:0 16px 16px;font-size:15.5px}

.foot{margin-top:48px;padding:20px 0 calc(48px + env(safe-area-inset-bottom));border-top:1px solid var(--line)}

/* lightbox */
dialog{border:0;padding:0;background:transparent;max-width:100vw;max-height:100dvh;width:100vw;height:100dvh}
dialog::backdrop{background:rgba(32,24,40,.92)}
#lbImg{position:absolute;inset:0;margin:auto;max-width:96vw;max-height:calc(100dvh - 76px);object-fit:contain;background:#fff;border-radius:8px;cursor:zoom-out}
#lbClose{position:absolute;top:calc(10px + env(safe-area-inset-top));right:12px;z-index:1;min-height:40px;padding:8px 16px;border:0;border-radius:999px;background:var(--base);color:var(--ink);font:700 14px var(--sans);cursor:pointer}

:focus-visible{outline:3px solid var(--ink);outline-offset:2px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.menu,.menu.open li,.burger span,.bar-now{transition:none;animation:none}}

/* ── 태블릿·데스크톱 ── */
@media(min-width:900px){
  body{font-size:17px}
  .hero{padding:56px 0 60px}
  .rule{max-width:560px}
  section{padding-top:76px}
  .traps{grid-template-columns:1fr 1fr}
  .strip{margin-inline:0;padding-inline:0;scroll-padding-inline:0}
}

/* ── 폰 ── */
@media(max-width:560px){
  .facts{grid-template-columns:1fr}
  .fact{display:flex;align-items:baseline;gap:14px}
  .fact b{flex:none;min-width:104px}
  .fact span{margin:0}
  .verdicts,.pair,.calc-row{grid-template-columns:1fr}
  .pair{gap:16px}
  section{padding-top:44px}
  /* 질문-답 표는 세로로 쌓기 */
  .plain,.plain tbody,.plain tr,.plain th,.plain td{display:block;width:100%}
  .plain th{border-bottom:0;padding-bottom:8px;font-size:14px}
  .plain td{padding-top:10px}
  .cmp{font-size:14px}
  .cmp th,.cmp td{padding:10px 8px}
  .cmp tbody th{width:58px}
  .shot{padding:12px}
  .shots{grid-template-columns:1fr}
  .check{padding:16px}
}
@media(max-width:380px){
  :root{--gut:16px}
  body{font-size:15.5px}
  .board-date{margin-left:0}
  .gear img{width:76px;height:76px}
  .airports{grid-template-columns:1fr 1fr}
}
@media(min-width:561px){.cmp tbody th{width:96px;white-space:nowrap}}
.foot{padding-bottom:calc(96px + env(safe-area-inset-bottom))}