/* Provenly 랜딩
   폰트는 fontsource 5.3.0의 latin 서브셋을 그대로 쓴다(OFL, fonts/ 안의 라이선스 파일). */

@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:100 700;font-display:swap;src:url(fonts/ibm-plex-sans-latin-wght-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/ibm-plex-mono-latin-400-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/ibm-plex-mono-latin-600-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Caveat';font-style:normal;font-weight:400 700;font-display:swap;src:url(fonts/caveat-latin-wght-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --paper:#F7F5EF;
  --sheet:#FDFCF8;
  --ink:#1D2A44;
  --ink-2:#3E4A63;
  --ink-3:#4A5670;
  --red:#C0392B;
  --red-hover:#A93226;
  --red-shadow:#8E2A20;
  --blue:#2F5FA7;
  --rule:rgba(29,42,68,.14);
  --line:rgba(29,42,68,.2);
  --sans:'IBM Plex Sans',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
  --hand:'Caveat',cursive;
  --gutter:clamp(20px,4vw,40px);
}

/* 기본 */
*{box-sizing:border-box}
[hidden]{display:none !important}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,p,ol,ul,figure{margin:0}
h1,h2,h3,h4{font-weight:600}
a{color:var(--ink);text-decoration-color:rgba(29,42,68,.35);text-underline-offset:3px}
a:hover{color:var(--red);text-decoration-color:var(--red)}
button,input{font:inherit;color:inherit}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.hand{font-family:var(--hand);font-weight:500}
section[id]{scroll-margin-top:64px}

/* 모눈 배경 */
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;background-image:linear-gradient(rgba(29,42,68,.075) 1px,transparent 1px),linear-gradient(90deg,rgba(29,42,68,.075) 1px,transparent 1px),linear-gradient(rgba(29,42,68,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(29,42,68,.035) 1px,transparent 1px);background-size:120px 120px,120px 120px,24px 24px,24px 24px}
.page{position:relative;z-index:1}
.wrap{max-width:1200px;margin:0 auto;padding-inline:var(--gutter)}

/* 공통 조각 */
.btn{display:inline-block;text-decoration:none;font-weight:600;border-radius:2px;white-space:nowrap;cursor:pointer}
.btn-red{background:var(--red);color:#fff;border:none}
.btn-red:hover{background:var(--red-hover);color:#fff}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-xs{padding:9px 12px;font-size:13px}
.btn-lg{padding:15px 26px;font-size:16px;box-shadow:0 2px 0 var(--red-shadow)}
.btn-outline{border:1.5px solid var(--ink);color:var(--ink);padding:14px 22px;font-size:16px}
.btn-outline:hover{background:var(--ink);color:var(--paper)}
.tag{display:inline-flex;align-items:center;gap:8px;width:fit-content;border:1.5px solid var(--red);color:var(--red);padding:5px 12px;font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;border-radius:2px;white-space:nowrap}
.tag-plain{letter-spacing:.1em;padding:4px 10px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--ink-3)}
.h2{font-size:clamp(30px,3.6vw,44px);line-height:1.12;letter-spacing:-.02em;margin-top:16px;text-wrap:balance}
.scribble{fill:none;stroke:var(--red);stroke-width:2.4;stroke-linecap:round;vector-effect:non-scaling-stroke}
.circled{position:relative;display:inline-block;color:var(--red);margin:0 .18em 0 .05em}
.circled svg{position:absolute;left:-9%;top:-18%;width:118%;height:136%;overflow:visible;pointer-events:none}

/* 머리 */
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,245,239,.92);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-bottom:1px solid var(--rule)}
.header-bar{height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand:hover{color:var(--ink)}
.brand-mark{position:relative;width:26px;height:26px;border:1.6px solid var(--ink);display:inline-flex}
.brand-mark svg{position:absolute;inset:-6px;width:38px;height:38px;overflow:visible}
.brand-mark path{fill:none;stroke:var(--red);stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.brand-name{font-weight:600;font-size:19px;letter-spacing:-.01em}
.nav-desktop{display:flex;align-items:center;gap:32px;font-size:15px}
.nav-desktop a,.menu a{text-decoration:none}
.nav-mobile{display:none;align-items:center;gap:8px}
.menu-btn{width:44px;height:44px;padding:0;border:1px solid rgba(29,42,68,.25);background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;border-radius:2px}
.menu-btn span{width:18px;height:1.6px;background:var(--ink)}
.menu{display:flex;flex-direction:column;border-top:1px solid var(--rule);padding:8px 20px 16px;font-size:17px}
.menu a{padding:12px 0;border-bottom:1px dashed var(--line)}
.menu a:last-child{border-bottom:0}
@media (max-width:859.98px){.nav-desktop{display:none}.nav-mobile{display:flex}}
@media (min-width:860px){.menu{display:none !important}}

/* 첫 화면 */
.hero{padding-top:clamp(40px,7vw,96px);padding-bottom:clamp(56px,7vw,96px);display:flex;flex-direction:column;gap:clamp(40px,5vw,64px)}
.hero-copy{min-width:0;max-width:760px}
.hero-kicker{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px}
.product{font-size:clamp(22px,2.4vw,30px);font-weight:700;letter-spacing:-.01em;line-height:1.1}
.hero h1{font-size:clamp(40px,5.4vw,68px);line-height:1.06;letter-spacing:-.025em;margin-top:20px;text-wrap:balance}
.hero .lede{font-size:clamp(17px,1.5vw,19px);line-height:1.55;color:var(--ink-2);margin-top:24px;text-wrap:pretty}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-ctas .btn-lg{padding-inline:24px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:28px;font-family:var(--mono);font-size:12px;color:var(--ink-3);letter-spacing:.02em}
.sheet-card{min-width:0;background:var(--sheet);border:1px solid var(--line);box-shadow:0 1px 0 rgba(29,42,68,.06),0 24px 48px -28px rgba(29,42,68,.45)}
.sheet-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 14px;border-bottom:1px solid var(--rule);font-family:var(--mono);font-size:12px;color:var(--ink-3)}
.sheet-bar .file{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sheet-bar .count{color:var(--red);font-weight:600;white-space:nowrap}
.sheet-body{padding:clamp(8px,1.5vw,18px)}

/* 회로도 그림 */
.schem{display:block;width:100%;height:auto;font-family:var(--mono)}
.schem .wire{fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linecap:square}
.schem .junction{fill:var(--ink)}
.schem .labels{fill:var(--ink);font-size:10px}
.schem .ref{font-size:12px;font-weight:600}
.schem .b{font-weight:600}
.schem .xs{font-size:9px}
.schem .caps{letter-spacing:.08em}
.schem .pm{font-size:13px}
.schem .end{text-anchor:end}
.schem .mid{text-anchor:middle}
.schem .pen{fill:none;stroke-linecap:round;stroke-linejoin:round}
.schem .pen-r{stroke:var(--red)}
.schem .pen-b{stroke:var(--blue)}
.schem .ring{stroke-width:2.2;vector-effect:non-scaling-stroke}
.schem .dash{fill:transparent;stroke-dasharray:7 6}
.schem .arrow{stroke-width:1.8}
.schem .hit-area{fill:transparent;stroke:none}
.schem .badge-r{fill:var(--red)}
.schem .badge-b{fill:var(--blue)}
.schem .badge-num{fill:#fff;font-size:11px;font-weight:600;text-anchor:middle;pointer-events:none}
.schem .note{font-family:var(--hand);font-size:21px;font-weight:600;pointer-events:none}
.schem .note-r{fill:var(--red)}
.schem .note-b{fill:var(--blue)}
.schem [data-for]{transition:opacity .15s}
.schem .is-dim{opacity:.28}
.schem .hit.is-sel .ring{stroke-width:3.6}
.schem--live .hit{cursor:pointer}

/* SHEET 01 */
.band{background:rgba(253,252,248,.7);border-top:1px solid var(--rule)}
.band-bottom{border-bottom:1px solid var(--rule)}
.problem{padding-block:clamp(56px,8vw,112px);display:flex;flex-wrap:wrap;gap:clamp(32px,5vw,72px);align-items:flex-start}
.problem-title{flex:1 1 420px;min-width:0}
.problem-flow{flex:1 1 440px;min-width:0;padding-top:8px}
.stages{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:10px;font-family:var(--mono);font-size:13px}
.stages li{border:1.5px solid var(--ink);padding:14px 10px;text-align:center;background:var(--sheet)}
.stages .is-fail{border-color:var(--red);color:var(--red);font-weight:600}
.loop{position:relative;height:64px;margin-top:4px}
.loop svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.loop path{fill:none;stroke:var(--red);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}
.loop-note{font-family:var(--hand);font-weight:500;font-size:26px;color:var(--red);text-align:center;line-height:1.2}
.fix{flex:1 1 100%;min-width:0;margin-top:clamp(24px,4vw,40px);padding-top:clamp(40px,5vw,64px);border-top:1px dashed rgba(29,42,68,.3)}
.fix h3{font-size:clamp(26px,3vw,36px);line-height:1.15;letter-spacing:-.02em;margin-top:16px;max-width:820px;text-wrap:balance}
.fix-cards{display:flex;flex-wrap:wrap;gap:16px;margin-top:40px}
.fix-card{flex:1 1 380px;min-width:0;border:1.5px solid var(--ink);background:var(--sheet);padding:28px;display:flex;flex-direction:column;gap:14px}
.fix-card p{font-size:16px;line-height:1.55;color:var(--ink-2);text-wrap:pretty}
.fix-art{display:flex;align-items:center;gap:18px;height:96px}
.fix-art svg{overflow:visible}
.paper{border:1.5px solid rgba(29,42,68,.45);background:#fff}
.paper-lines{display:flex;flex-direction:column;gap:5px;padding:7px 6px}
.paper-lines span{height:2px;background:rgba(29,42,68,.35)}
.paper-main{position:relative;border-color:var(--ink)}
.red-stroke{fill:none;stroke:var(--red);stroke-width:2.4;stroke-linecap:round;vector-effect:non-scaling-stroke}
.art-arrow{font-family:var(--mono);font-size:18px;color:var(--ink-3)}
.part{position:absolute;border:1.2px solid rgba(29,42,68,.5)}
.part-wire{position:absolute;height:1.2px;background:rgba(29,42,68,.5)}
.art-note{position:absolute;font-family:var(--hand);font-weight:500;font-size:15px;line-height:1;color:var(--red)}
.card-title{display:flex;align-items:baseline;gap:12px}
.card-title h4{font-size:22px;line-height:1.25}
.num{font-family:var(--mono);font-size:13px;color:var(--red);font-weight:600}

/* SHEET 02 */
.catch{padding-block:clamp(64px,8vw,112px)}
.catch-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:clamp(32px,5vw,64px);margin-top:44px}
.pen-red{--pen:var(--red)}
.pen-blue{--pen:var(--blue)}
.catch-head{display:flex;align-items:center;gap:10px;padding-bottom:14px;border-bottom:1.5px solid var(--pen)}
.catch-head h3{font-size:20px;color:var(--pen)}
.key{width:12px;height:12px;flex:none}
.key-red{border:2px solid var(--red);border-radius:50%}
.key-blue{border:2px dashed var(--blue);border-radius:2px}
.catch-list{list-style:none;padding:0}
.catch-list li{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:6px 20px;padding:14px 0;border-bottom:1px solid rgba(29,42,68,.16)}
.catch-list .t{font-size:17px;font-weight:600}
.catch-list .n{font-family:var(--hand);font-weight:500;font-size:21px;line-height:1.2;color:var(--pen)}

/* SHEET 03 데모 */
.demo{background:var(--ink);color:var(--paper);padding-block:clamp(64px,8vw,104px)}
.demo-wrap{max-width:1280px;margin:0 auto;padding-inline:clamp(16px,3vw,40px)}
.demo-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px 40px}
.demo-head > div{max-width:680px}
.demo .eyebrow,.demo-spec{color:#AEB7C9}
.demo-spec{font-family:var(--mono);font-size:12px}
.demo-lede{font-size:18px;line-height:1.55;color:#C9D0DD;margin-top:14px}
.demo-panels{display:flex;flex-wrap:wrap;gap:16px;margin-top:36px;align-items:stretch}
.viewer{flex:1.7 1 560px;min-width:0;background:var(--paper);color:var(--ink);display:flex;flex-direction:column;border-radius:2px;overflow:hidden}
.viewer-bar{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:8px 10px 8px 14px;border-bottom:1px solid rgba(29,42,68,.16);font-family:var(--mono);font-size:12px;color:var(--ink-3)}
.zoom{display:flex;align-items:center;gap:4px}
.zoom button{width:32px;height:32px;padding:0;border:1px solid rgba(29,42,68,.25);background:var(--sheet);cursor:pointer;font-family:var(--mono);font-size:15px;border-radius:2px}
.zoom button:disabled{opacity:.4;cursor:default}
.zoom-label{min-width:48px;text-align:center}
.viewer-scroll{flex:1 1 auto;overflow:auto;background:#EDEAE1;padding:14px}
.schem-canvas{width:100%;min-width:100%;padding:10px;background-color:var(--sheet);border:1px solid rgba(29,42,68,.15);background-image:linear-gradient(rgba(29,42,68,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(29,42,68,.04) 1px,transparent 1px);background-size:20px 20px}
.issue-tabs{display:flex;flex-wrap:wrap;gap:6px;padding:10px 14px;border-top:1px solid rgba(29,42,68,.16)}
.issue-tab{--pen:var(--red);--pen-soft:rgba(192,57,43,.45);display:flex;align-items:center;gap:6px;border:1px solid var(--pen-soft);background:var(--sheet);color:var(--pen);padding:6px 10px;font-family:var(--mono);font-size:12px;cursor:pointer;border-radius:2px}
.issue-tab.is-explain{--pen:var(--blue);--pen-soft:rgba(47,95,167,.5)}
.issue-tab[aria-pressed="true"]{background:var(--pen);border-color:var(--pen);color:#fff}
.issue-panel{min-height:170px;padding:18px 18px 20px;border-top:1px solid rgba(29,42,68,.16);background:var(--sheet)}
.detail-empty{display:flex;align-items:center;gap:14px;min-height:130px;color:var(--ink-3)}
.detail-empty .hand{font-size:26px;color:var(--red);white-space:nowrap}
.detail-empty span + span{font-size:15px}
.issue-detail{--pen:var(--red)}
.issue-detail.is-explain{--pen:var(--blue)}
.issue-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;font-family:var(--mono);font-size:12px}
.issue-n{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--pen);color:#fff;font-weight:600}
.issue-ref{font-weight:600}
.issue-cat{color:var(--ink-3)}
.issue-sev{color:var(--pen);font-weight:600}
.issue-detail h3{font-size:20px;margin-top:12px}
.issue-body{font-size:15px;line-height:1.55;color:var(--ink-2);margin-top:8px;max-width:680px}
.issue-foot{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 24px;margin-top:12px}
.issue-fix{flex:1 1 300px;font-family:var(--hand);font-weight:500;font-size:23px;line-height:1.2;color:var(--pen)}
.btn-ask{border:1.5px solid var(--ink);background:transparent;padding:8px 12px;font-size:14px;font-weight:600;cursor:pointer;border-radius:2px}
.btn-ask:hover{background:var(--ink);color:var(--paper)}
.issue-src{font-family:var(--mono);font-size:11px;color:var(--ink-3);margin-top:10px}
.chat{flex:1 1 340px;min-width:0;min-height:560px;max-height:860px;background:var(--sheet);color:var(--ink);display:flex;flex-direction:column;border-radius:2px;overflow:hidden}
.chat-head{padding:14px 16px;border-bottom:1px solid rgba(29,42,68,.16);font-weight:600;font-size:16px}
.chat-log{flex:1 1 auto;min-height:280px;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}
.msg-ai{align-self:flex-start;max-width:92%;display:flex;flex-direction:column;gap:4px}
.msg-who{font-family:var(--mono);font-size:10px;letter-spacing:.08em;color:var(--ink-3)}
.msg-body{font-size:15px;line-height:1.55;border-left:2px solid var(--ink);padding:2px 0 2px 12px}
.msg-body p + p{margin-top:1.55em}
.msg-user{align-self:flex-end;max-width:85%;background:var(--ink);color:var(--paper);font-size:15px;line-height:1.45;padding:9px 13px;border-radius:2px}
.msg-thinking{align-self:flex-start;display:flex;gap:5px;padding:8px 12px;border-left:2px solid var(--ink)}
.msg-thinking span{width:6px;height:6px;border-radius:50%;background:var(--ink);animation:pvDot 1.2s infinite}
.msg-thinking span:nth-child(2){animation-delay:.15s}
.msg-thinking span:nth-child(3){animation-delay:.3s}
@keyframes pvDot{0%,80%,100%{opacity:.25}40%{opacity:1}}
.suggest-box{padding:12px 16px 16px;border-top:1px dashed rgba(29,42,68,.25)}
.suggest-label{font-family:var(--mono);font-size:10px;letter-spacing:.08em;color:var(--ink-3);margin-bottom:8px}
.suggest-list{display:flex;flex-wrap:wrap;gap:6px}
.suggest{border:1px solid rgba(192,57,43,.55);color:var(--red-hover);background:var(--sheet);padding:7px 11px;font-size:13.5px;text-align:left;cursor:pointer;border-radius:14px}
.suggest:hover{background:var(--red);border-color:var(--red);color:#fff}
.demo-cta-row{margin-top:28px;display:flex;justify-content:center}
.demo-cta{color:var(--paper);font-size:18px;font-weight:600;text-decoration:none;border-bottom:2px solid var(--red);padding-bottom:4px}
.demo-cta:hover{color:#fff}

/* SHEET 04 */
.how{padding-top:clamp(64px,8vw,112px)}
.how .h2{max-width:760px}
.steps{list-style:none;padding:0;margin-top:48px;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));border:1.5px solid var(--ink);background:var(--sheet)}
.step{padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.step:last-child{border-right:0}
.step h3{font-size:22px;margin-top:14px}
.step p{font-size:16px;line-height:1.55;color:var(--ink-2);margin-top:10px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px}
.chip{font-family:var(--mono);font-size:12px;border:1px solid rgba(29,42,68,.35);padding:4px 8px}

/* SHEET 05 업로드 */
.upload{padding-block:clamp(64px,8vw,112px);display:flex;flex-wrap:wrap;gap:clamp(32px,5vw,72px)}
.upload-intro{flex:1 1 320px;min-width:0;max-width:420px}
.upload-intro .lede{font-size:17px;line-height:1.6;color:var(--ink-2);margin-top:16px}
.upload-intro .tag{margin-top:20px}
.upload-note{font-family:var(--mono);font-size:12px;color:var(--ink-3);margin-top:10px}
.upload-form{flex:1.6 1 480px;min-width:0;background:var(--sheet);border:1.5px solid var(--ink);padding:clamp(20px,3vw,32px);display:flex;flex-direction:column;gap:24px}
.field-label{display:block;font-size:14px;font-weight:600;margin-bottom:10px}
.seg{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--ink);border-radius:2px;overflow:hidden}
.seg span{display:flex;align-items:center;justify-content:center;height:44px;background:#fff;font-weight:600;font-size:15px;cursor:pointer}
.seg label + label span{border-left:1px solid var(--ink)}
.seg input:checked + span{background:var(--ink);color:var(--paper)}
.seg input:focus-visible + span{outline:2px solid var(--red);outline-offset:-4px}
.guide-link{display:inline-block;margin-top:10px;font-size:14px}
.drops{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.drop{display:flex;flex-direction:column;gap:6px;min-height:132px;padding:18px 16px;border:1.5px dashed rgba(29,42,68,.45);background:#fff;cursor:pointer;border-radius:2px}
.drop:focus-within{outline:2px solid var(--ink);outline-offset:2px}
.drop.is-ok{background:rgba(29,42,68,.03)}
.drop.is-drag{border-color:var(--ink);background:rgba(29,42,68,.05)}
.drop.is-bad,.drop.is-missing{border-color:var(--red)}
.drop-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.drop-label{font-weight:600;font-size:15px}
.drop-hint{font-family:var(--mono);font-size:11px;color:var(--ink-3)}
.drop-empty{margin-top:auto;font-size:14px;color:var(--ink-3)}
.drop-empty u{color:var(--ink)}
.drop-name{margin-top:auto;font-family:var(--mono);font-size:13px;word-break:break-all}
.drop-note{font-family:var(--mono);font-size:11px;color:var(--ink-3)}
.drop.is-bad .drop-name{color:var(--red)}
.drop.is-bad .drop-note{font-family:var(--hand);font-weight:500;font-size:20px;line-height:1.15;color:var(--red)}
.email{width:100%;height:48px;padding:0 14px;border:1px solid rgba(29,42,68,.35);background:#fff;font-size:16px;border-radius:2px;outline-color:var(--ink)}
.email[aria-invalid="true"]{border-color:var(--red)}
.field-err{font-family:var(--hand);font-weight:500;font-size:20px;color:var(--red);margin-top:6px}
.agree{display:flex;align-items:flex-start;gap:12px;font-size:14px;line-height:1.5;color:var(--ink-2);cursor:pointer}
.agree input{flex:none;width:20px;height:20px;margin:1px 0 0;accent-color:var(--ink)}
.agree-err{margin-top:-16px}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.form-foot .aside{font-size:14px;color:var(--ink-3)}
.form-status{font-size:15px;line-height:1.5;color:var(--ink-2);border-left:2px solid var(--red);padding:2px 0 2px 12px}

/* SHEET 06 */
.security{padding-block:clamp(64px,8vw,104px)}
.checks{list-style:none;padding:0;margin-top:40px;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));border-top:1.5px solid var(--ink)}
.checks li{display:flex;align-items:flex-start;gap:14px;padding:24px 24px 24px 0;border-bottom:1px solid rgba(29,42,68,.18);font-size:17px;line-height:1.5;font-weight:500}
.checks svg{flex:none;width:24px;height:24px;overflow:visible}
.checks path{fill:none;stroke:var(--red);stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}

/* SHEET 07 */
.faq{padding-block:clamp(64px,8vw,104px);display:flex;flex-wrap:wrap;gap:clamp(24px,5vw,72px)}
.faq-title{flex:1 1 280px;min-width:0;max-width:360px}
.faq-list{flex:2 1 480px;min-width:0;border-top:1.5px solid var(--ink)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 0;cursor:pointer;list-style:none;font-size:18px;font-weight:600}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";flex:none;width:20px;text-align:center;font-family:var(--mono);font-size:20px;color:var(--red)}
.faq-list details[open] summary::after{content:"−"}
.faq-list details p{font-size:16px;line-height:1.6;color:var(--ink-2);margin:-6px 0 22px;max-width:640px}

/* 마지막 권유와 바닥 */
.final{padding-bottom:clamp(64px,8vw,104px)}
.final-box{display:flex;flex-direction:column;align-items:center;gap:20px;text-align:center;padding:clamp(36px,6vw,72px) clamp(20px,5vw,64px);border:1.5px solid var(--ink);background:var(--sheet)}
.final-box h2{font-size:clamp(30px,4vw,50px);line-height:1.1;letter-spacing:-.02em;max-width:760px;text-wrap:balance}
.final-box p{font-size:18px;line-height:1.55;color:var(--ink-2);max-width:520px}
.final-box .btn{margin-top:8px}
.site-footer{border-top:1px solid rgba(29,42,68,.18)}
.footer-bar{padding-top:32px;padding-bottom:40px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;font-size:14px;color:var(--ink-3)}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand strong{font-weight:600;font-size:16px;color:var(--ink)}
.footer-brand small{font-family:var(--mono);font-size:12px}
.footer-nav{display:flex;flex-wrap:wrap;gap:8px 24px}
.footer-nav a{text-decoration:none;color:var(--ink-3)}
.footer-nav a:hover{color:var(--red)}