/* 소리곁 · SoriNear 랜딩 — 원형: 청취 보조 기기의 음향 설정 기록지 */
:root{
  --paper:#F4F6F1;--sheet:#FFFFFF;--mint:#E3EBDD;--ink:#17332B;--moss:#3B6652;--muted:#56655E;
  --lime:#CFF085;--lime-deep:#9CC94A;--grid:#D7DFD6;--rule:#C9D3CB;--paper-on-ink:#F4F6F1;--dim-on-ink:#B9C8BE;
  --display:'Gowun Dodum','Apple SD Gothic Neo','Malgun Gothic',sans-serif;
  --sans:'Pretendard Variable',Pretendard,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;
  --mono:'Azeret Mono',ui-monospace,monospace;
  --fs-xs:14px;--fs-s:15px;--fs-m:18px;--fs-l:clamp(20px,1.2vw + 14px,23px);--fs-xl:clamp(28px,2.4vw + 14px,42px);--fs-display:clamp(38px,4.6vw + 14px,70px);
  --space-section:clamp(72px,9vw,124px);--space-row:32px;
  --r-s:10px;--r-m:18px;--r-l:28px;
  --shadow-1:0 1px 2px rgba(23,51,43,.06),0 12px 32px -16px rgba(23,51,43,.22);
  --ease:cubic-bezier(.2,.7,.2,1);--wrap:1200px;--gutter:40px;
}
*{box-sizing:border-box}
html{scroll-padding-top:84px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 var(--fs-m)/1.7 var(--sans);word-break:keep-all;overflow-wrap:anywhere;text-wrap:pretty;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,p,figure,ul,ol,dl,dd{margin:0}
h1,h2,h3{font-family:var(--display);font-weight:400;line-height:1.22;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:var(--fs-display)}h2{font-size:var(--fs-xl)}h3{font-size:var(--fs-l);line-height:1.35}
a{color:var(--moss);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{color:var(--ink)}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px}
img,svg{display:block;max-width:100%;height:auto}
code,kbd,.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:.86em}
kbd{display:inline-block;padding:1px 8px;border:1px solid var(--rule);border-bottom-width:2px;border-radius:7px;background:var(--sheet);color:var(--ink);font-size:.82em;line-height:1.6;white-space:normal}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.wrap{width:min(var(--wrap),calc(100% - var(--gutter)*2));margin-inline:auto}
.skip{position:absolute;left:16px;top:-60px;z-index:50;padding:10px 16px;background:var(--ink);color:var(--paper-on-ink);border-radius:var(--r-s)}
.skip:focus{top:16px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* 헤더 */
.site-header{position:sticky;top:0;z-index:40;background:rgba(244,246,241,.96);border-bottom:1px solid transparent;transition:border-color .2s var(--ease)}
.site-header.scrolled,html.nojs .site-header{border-bottom-color:var(--rule)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:600;font-size:17px;min-height:44px}
.brand .mark{width:30px;height:30px;border-radius:8px}
.brand small{font-family:var(--mono);font-weight:400;font-size:11px;letter-spacing:.14em;color:var(--moss)}
.site-nav{display:flex;align-items:center;gap:6px}
.site-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;font-size:15px;font-weight:500;color:var(--ink);text-decoration:none;border-radius:var(--r-s)}
.site-nav a:hover{background:var(--mint)}
.status-pill{display:inline-flex;align-items:center;gap:8px;min-height:36px;padding:0 14px;border:1px solid var(--rule);border-radius:999px;font-size:14px;font-weight:500;color:var(--moss);background:var(--sheet)}
.status-pill::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--lime-deep)}

/* 버튼 */
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 24px;border-radius:999px;font-weight:600;font-size:16px;text-decoration:none;border:1px solid transparent;transition:background-color .16s var(--ease),box-shadow .16s var(--ease),transform .12s var(--ease)}
.button.primary{background:var(--ink);color:var(--paper-on-ink);box-shadow:var(--shadow-1)}
.button.primary:hover{background:#0F2721;color:var(--paper-on-ink)}
.button.ghost{background:transparent;color:var(--ink);border-color:var(--rule)}
.button.ghost:hover{background:var(--sheet);border-color:var(--moss)}
.button:active{transform:scale(.98)}
.button svg{width:16px;height:16px}

/* 히어로 — 기록지 격자 */
.hero{position:relative;padding:clamp(40px,6vw,80px) 0 clamp(48px,6vw,88px)}
.hero::before{content:'';position:absolute;inset:0;z-index:-1;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:32px 32px;background-position:center top;-webkit-mask-image:linear-gradient(#000 60%,transparent);mask-image:linear-gradient(#000 60%,transparent)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(32px,5vw,72px);align-items:start}
.eyebrow{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--moss)}
.eyebrow span:not(.no){font-family:var(--sans);font-size:14px;font-weight:500;letter-spacing:0;text-transform:none}
.eyebrow .no{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:24px;padding:0 8px;border:1px solid var(--moss);border-radius:6px;letter-spacing:.04em}
.hero h1{margin-top:22px}
.hero-lead{margin-top:22px;max-width:34em;font-size:var(--fs-l);line-height:1.6;color:var(--muted)}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:32px}
.hero-fine{margin-top:16px;font-size:var(--fs-xs);color:var(--muted)}
.hero-fine a{color:var(--moss)}
.spec-row{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:12px 36px;margin-top:40px;padding-top:22px;border-top:1px solid var(--ink)}
.spec-row dt{font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-family:var(--mono);color:var(--muted)}
.spec-row dd{font-size:16px;font-weight:600;margin-top:4px}

/* 기기 프레임 */
.hero-visual{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.95fr);gap:20px;align-items:end}
.phone{position:relative;margin:0}
.phone picture{display:block;padding:10px;background:var(--ink);border-radius:46px;box-shadow:var(--shadow-1)}
.phone img{width:100%;aspect-ratio:1206/2622;border-radius:36px;object-fit:cover;background:var(--paper)}
.phone.sheet-crop picture{border-radius:36px 36px 46px 46px}
.phone.sheet-crop img{aspect-ratio:597/1298;border-radius:28px 28px 36px 36px}
.phone-caption,.figcap{margin-top:12px;font-size:var(--fs-xs);color:var(--muted);line-height:1.55}
.figcap b{color:var(--ink);font-weight:600}
.hero-phone{width:300px;max-width:100%;justify-self:center}
.hero-phone img{opacity:1;transform:none}
html.js .hero-phone img{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
html.js .hero-phone img.ready{opacity:1;transform:none}

/* 기록지 카드(히어로 오른쪽) */
.sheet-card{background:var(--sheet);border:1px solid var(--rule);border-radius:var(--r-m);padding:20px 20px 18px;box-shadow:var(--shadow-1)}
.sheet-card h2,.sheet-card h3{font-family:var(--sans);font-weight:600;font-size:15px;letter-spacing:0}
.sheet-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding-bottom:12px;border-bottom:1px solid var(--rule)}
.sheet-head span{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--muted)}
.meter{display:flex;align-items:center;justify-content:center;gap:4px;height:56px;margin:18px 0 6px;padding:0 6px;background:var(--ink);border-radius:var(--r-s)}
.meter i{display:block;width:4px;height:var(--h,4px);border-radius:2px;background:var(--lime);transform-origin:center;transition:height .5s var(--ease) calc(var(--i,0)*14ms)}
html.js .meter:not(.live) i{height:4px}
.meter-label{display:flex;justify-content:space-between;gap:12px;font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--muted)}
.meter-label span:last-child{text-align:right}
.path-list{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:0}
.path-list li{display:grid;grid-template-columns:28px 1fr auto;align-items:center;gap:10px;padding:9px 0;border-bottom:1px dashed var(--grid);font-size:14px}
.path-list li:last-child{border-bottom:0}
.path-list li span:first-child{font-family:var(--mono);font-size:11px;color:var(--moss)}
.path-list li .num{font-size:12px;color:var(--muted)}

/* 공통 섹션 */
.section{padding-block:var(--space-section)}
.section.tight{padding-top:0}
.section-head{max-width:720px}
.section-head .eyebrow{margin-bottom:16px}
.section-head p{margin-top:16px;color:var(--muted);font-size:var(--fs-l);line-height:1.6}
.rule-top{border-top:1px solid var(--rule)}

/* 장면 */
.scenes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin-top:48px;background:var(--rule);border:1px solid var(--rule);border-radius:var(--r-m);overflow:hidden}
.scene{background:var(--sheet);padding:28px 26px 30px;display:flex;flex-direction:column;gap:14px;min-height:100%}
.scene .tag{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--moss)}
.scene h3{font-family:var(--sans);font-weight:600;font-size:20px;letter-spacing:-.01em}
.scene p{color:var(--muted);font-size:16px}
.scene .mode{margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink)}
.scene .mode::before{content:'';width:10px;height:10px;border-radius:3px;background:var(--moss)}

/* 신호 경로 */
.path-section{background:var(--sheet);border-block:1px solid var(--rule)}
.path-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,5vw,80px);align-items:start;margin-top:48px}
.path-diagram{width:100%;height:auto}
.path-diagram text{font-family:var(--sans);font-size:15px;fill:var(--ink);font-weight:500}
.path-diagram .sub{font-family:var(--mono);font-size:11px;fill:var(--muted);font-weight:400}
.path-diagram .box{fill:var(--paper);stroke:var(--ink);stroke-width:1.2}
.path-diagram .box.dark{fill:var(--ink)}
.path-diagram .box.dark + text,.path-diagram .on-dark{fill:var(--paper-on-ink)}
.path-diagram .wire{fill:none;stroke:var(--moss);stroke-width:1.6;stroke-linecap:round}
html.js .path-diagram .wire{stroke-dasharray:var(--len,300);stroke-dashoffset:var(--len,300);transition:stroke-dashoffset .9s var(--ease)}
html.js .path-diagram.drawn .wire{stroke-dashoffset:0}
html.js .path-diagram .box,html.js .path-diagram text{opacity:0;transition:opacity .4s var(--ease)}
html.js .path-diagram.drawn .box,html.js .path-diagram.drawn text{opacity:1}
.path-notes{display:grid;gap:22px}
.path-notes div{padding-left:18px;border-left:2px solid var(--mint)}
.path-notes h3{font-family:var(--sans);font-weight:600;font-size:18px}
.path-notes p{margin-top:6px;color:var(--muted);font-size:16px}
.path-notes .num{color:var(--ink);font-size:14px}

/* 시그니처: 모드·음색 미리보기 */
.preview-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(32px,5vw,72px);align-items:start;margin-top:48px}
.preview{background:var(--sheet);border:1px solid var(--rule);border-radius:var(--r-l);padding:28px;box-shadow:var(--shadow-1)}
.preview-top{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap}
.preview-top h3{font-family:var(--sans);font-weight:600;font-size:18px}
.preview-top span{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--muted)}
.mode-group{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:20px}
.mode-group label{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;min-height:84px;padding:16px 8px 14px;border-radius:20px;background:var(--paper);color:var(--ink);font-weight:600;font-size:15px;cursor:pointer;border:1px solid transparent;transition:background-color .18s var(--ease),color .18s var(--ease)}
.mode-group label svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.mode-group input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer}
.mode-group input:checked + span{color:inherit}
.mode-group label:has(input:checked){background:var(--moss);color:#fff}
.mode-group label:has(input:focus-visible){outline:2px solid var(--ink);outline-offset:2px}
.mode-group label:hover:not(:has(input:checked)){background:var(--mint)}
.mode-detail{margin-top:14px;color:var(--moss);font-weight:500;font-size:16px;min-height:1.7em}
.eq{display:grid;grid-template-columns:1fr auto;gap:24px;margin-top:22px;padding-top:22px;border-top:1px solid var(--rule)}
.eq-bars{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;align-items:end;height:150px;position:relative}
.eq-bars::before{content:'';position:absolute;left:0;right:0;top:50%;border-top:1px dashed var(--rule)}
.eq-bar{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;position:relative}
.eq-bar .bar{position:absolute;left:50%;width:34px;margin-left:-17px;border-radius:6px;background:var(--moss);transition:height .24s var(--ease),top .24s var(--ease),bottom .24s var(--ease)}
.eq-bar .val{position:absolute;left:0;right:0;text-align:center;font-family:var(--mono);font-size:13px;color:var(--ink);transition:top .24s var(--ease)}
.eq-bar .name{position:absolute;left:0;right:0;bottom:-30px;text-align:center;font-size:13px;color:var(--muted)}
.eq-range{display:grid;align-content:space-between;gap:16px;min-width:150px}
.eq-range dt{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.eq-range dd{font-family:var(--mono);font-size:22px;font-weight:500;margin-top:4px;color:var(--ink)}
.eq-range dd small{font-size:13px;color:var(--muted);font-weight:400}
.preview-live{margin-top:48px;padding:14px 16px;border-radius:var(--r-s);background:var(--paper);font-size:15px;color:var(--ink)}
.preview-note{margin-top:14px;font-size:var(--fs-xs);color:var(--muted)}
.preview-static{margin-top:22px;width:100%;border-collapse:collapse;font-size:15px}
.preview-static th,.preview-static td{padding:10px 8px;border-bottom:1px solid var(--rule);text-align:left;vertical-align:top}
.preview-static th{font-weight:600}
html.js .preview-static{display:none}
html.nojs .preview-controls,html.nojs .eq,html.nojs .mode-detail,html.nojs .preview-live{display:none}
.preview-side{display:grid;gap:22px}
.preview-side .phone{width:300px;max-width:100%;justify-self:center}
.preview-side p{color:var(--muted);font-size:16px}

/* 화면 해부 */
.anatomy{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(32px,5vw,72px);align-items:center;margin-top:48px}
.anatomy .phone{width:320px;max-width:100%;justify-self:center}
.anatomy ol{list-style:none;padding:0;display:grid;gap:0;counter-reset:part}
.anatomy li{display:grid;grid-template-columns:40px 1fr;gap:16px;padding:20px 0;border-top:1px solid var(--rule)}
.anatomy li:last-child{border-bottom:1px solid var(--rule)}
.anatomy li::before{counter-increment:part;content:counter(part,decimal-leading-zero);font-family:var(--mono);font-size:13px;color:var(--moss);padding-top:4px}
.anatomy h3{font-family:var(--sans);font-weight:600;font-size:18px}
.anatomy p{margin-top:6px;color:var(--muted);font-size:16px}

/* 내 귀에 맞게 */
.tune-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(32px,5vw,72px);align-items:start;margin-top:48px}
.tune-rows{display:grid;gap:0}
.tune-row{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:22px 0;border-top:1px solid var(--rule)}
.tune-row:last-child{border-bottom:1px solid var(--rule)}
.tune-row h3{font-family:var(--sans);font-weight:600;font-size:17px}
.tune-row p{color:var(--muted);font-size:16px}
.tune-row .num{color:var(--ink);font-size:14px}
.balance{margin-top:14px;max-width:420px}
.balance-track{position:relative;height:4px;border-radius:2px;background:var(--mint)}
.balance-track::before{content:'';position:absolute;left:50%;top:-6px;width:1px;height:16px;background:var(--rule)}
.balance-thumb{position:absolute;top:50%;left:50%;width:26px;height:26px;margin:-13px 0 0 -13px;border-radius:50%;background:var(--sheet);border:1px solid var(--rule);box-shadow:var(--shadow-1);transition:left .7s var(--ease)}
html.js .balance:not(.settled) .balance-thumb{left:34%}
.balance-labels{display:flex;justify-content:space-between;margin-top:12px;font-size:13px;color:var(--muted)}
.balance-labels b{color:var(--ink);font-weight:600}
.tune-side{display:grid;gap:18px}
.tune-side .phone{width:300px;max-width:100%;justify-self:center}

/* 안전 기록지 */
.safety{background:var(--sheet);border-block:1px solid var(--rule)}
.safety-sheet{margin-top:40px;border:1px solid var(--ink);border-radius:var(--r-m);overflow:hidden}
.safety-sheet header{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 24px;background:var(--ink);color:var(--paper-on-ink)}
.safety-sheet header h3{font-family:var(--sans);font-weight:600;font-size:17px}
.safety-sheet header span{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--dim-on-ink)}
.safety-sheet ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.safety-sheet li{display:grid;grid-template-columns:28px 1fr;gap:14px;padding:22px 24px;border-top:1px solid var(--rule);font-size:16px}
.safety-sheet li:nth-child(odd){border-right:1px solid var(--rule)}
.safety-sheet li:nth-child(-n+2){border-top:0}
.safety-sheet li span{font-family:var(--mono);font-size:12px;color:var(--moss);padding-top:4px}
.safety-sheet li b{display:block;font-weight:600;color:var(--ink);margin-bottom:4px}
.safety-sheet li p{color:var(--muted)}

/* 사용 방법 요약 */
.steps{list-style:none;padding:0;margin:48px 0 0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule);border-radius:var(--r-m);overflow:hidden}
.steps li{background:var(--sheet);padding:24px 20px 26px;display:grid;gap:10px;align-content:start}
.steps .n{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--moss)}
.steps h3{font-family:var(--sans);font-weight:600;font-size:17px}
.steps p{font-size:15px;color:var(--muted)}
.steps-cta{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* 요구 사항·개인정보·가격 */
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(24px,3vw,48px);margin-top:48px}
.fact h3{font-family:var(--sans);font-weight:600;font-size:18px;padding-bottom:12px;border-bottom:1px solid var(--ink)}
.fact ul{list-style:none;padding:0;margin:0}
.fact li{padding:12px 0;border-bottom:1px solid var(--rule);font-size:16px;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:baseline}
.fact li .num{font-size:14px;color:var(--muted)}
.fact li b{font-weight:600}
.fact p{margin-top:14px;font-size:15px;color:var(--muted)}
.fact-links{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px 18px;font-size:15px}
.fact-links a{display:inline-flex;align-items:center;min-height:44px}

/* FAQ */
.faq{max-width:780px;margin-top:40px}
.faq details{border-top:1px solid var(--rule)}
.faq details:last-child{border-bottom:1px solid var(--rule)}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:60px;padding:14px 0;cursor:pointer;font-weight:600;font-size:17px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-family:var(--mono);font-size:20px;color:var(--moss);transition:transform .18s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 22px;color:var(--muted);font-size:16px;max-width:660px}

/* 마무리 CTA */
.closing{padding-block:var(--space-section);background:var(--ink);color:var(--paper-on-ink)}
.closing .wrap{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:40px;align-items:center}
.closing h2{color:var(--paper-on-ink)}
.closing p{margin-top:18px;color:var(--dim-on-ink);font-size:var(--fs-l);line-height:1.6}
.closing .eyebrow{color:var(--lime)}
.closing .eyebrow span:not(.no){font-family:var(--sans);font-size:14px;font-weight:500;letter-spacing:0;text-transform:none}
.eyebrow .no{border-color:var(--lime)}
.closing-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.closing .button.primary{background:var(--lime);color:var(--ink);box-shadow:none}
.closing .button.primary:hover{background:#DDF59F;color:var(--ink)}
.closing .button.ghost{color:var(--paper-on-ink);border-color:rgba(244,246,241,.4)}
.closing .button.ghost:hover{background:rgba(244,246,241,.08);border-color:var(--paper-on-ink)}
.closing-meter{justify-self:end;width:min(100%,360px)}
.closing-meter .meter{background:transparent;border:1px solid rgba(244,246,241,.25);height:64px}
.closing-meter .meter-label{color:var(--dim-on-ink)}

/* 푸터 */
.site-footer{padding:40px 0 48px;font-size:15px;color:var(--muted)}
.site-footer .wrap{display:grid;grid-template-columns:1fr 1fr 1fr;gap:32px}
.site-footer h3{font-family:var(--sans);font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--moss);margin-bottom:10px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li a{display:inline-flex;align-items:center;min-height:36px;color:var(--ink);text-decoration:none}
.site-footer li a:hover{text-decoration:underline}
.site-footer .copy{grid-column:1/-1;padding-top:20px;border-top:1px solid var(--rule);font-size:14px}
.site-footer .wrap>div:nth-child(3) ul{display:grid;grid-template-columns:1fr}
.closing .eyebrow span:not(.no){color:var(--dim-on-ink)}

/* 등장 */
html.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);transition-delay:var(--d,0ms)}
html.js .reveal.in{opacity:1;transform:none}

/* 가이드 */
.guide-hero{padding:clamp(40px,6vw,72px) 0 clamp(32px,4vw,48px);border-bottom:1px solid var(--rule)}
.guide-hero h1{font-size:clamp(34px,4vw + 10px,56px);margin-top:18px}
.guide-hero p{margin-top:18px;max-width:34em;color:var(--muted);font-size:var(--fs-l);line-height:1.6}
.guide-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:clamp(32px,5vw,80px);align-items:start;padding-block:48px var(--space-section)}
.toc{position:sticky;top:88px}
.toc h2{font-family:var(--sans);font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--moss);margin-bottom:8px}
.toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--rule)}
.toc li a{display:flex;align-items:center;gap:10px;min-height:40px;padding:0 14px;margin-left:-1px;border-left:2px solid transparent;color:var(--muted);text-decoration:none;font-size:15px}
.toc li a .num{font-size:11px;color:var(--moss)}
.toc li a:hover{color:var(--ink)}
.toc li a.current{color:var(--ink);border-left-color:var(--ink);font-weight:600}
.toc details summary{display:none}
.guide-main{display:grid;gap:clamp(56px,7vw,88px);max-width:760px}
.guide-main section h2{display:flex;align-items:baseline;gap:14px;font-size:clamp(26px,2vw + 12px,36px)}
.guide-main section h2 .num{font-size:14px;color:var(--moss)}
.guide-main section > p{margin-top:14px;color:var(--muted)}
.step{margin-top:28px;display:grid;grid-template-columns:44px 1fr;gap:16px}
.step .n{width:44px;height:44px;border-radius:50%;background:var(--lime);display:grid;place-items:center;font-weight:600;font-size:16px;color:var(--ink)}
.step h3{font-family:var(--sans);font-weight:600;font-size:19px;line-height:1.4}
.step p{margin-top:8px;color:var(--muted)}
.step .result{margin-top:12px;padding:12px 16px;border-left:2px solid var(--moss);background:var(--sheet);font-size:15px;color:var(--ink)}
.step .result b{font-weight:600;color:var(--moss)}
.tip{margin-top:24px;padding:18px 20px;border-radius:var(--r-m);background:var(--sheet);border:1px solid var(--rule);font-size:15px}
.tip b{display:block;font-weight:600;margin-bottom:6px;color:var(--ink)}
.tip.warn{border-color:var(--ink)}
.tip ul{margin:0;padding-left:20px;color:var(--muted)}
.tip li+li{margin-top:6px}
.screen-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:28px}
.screen-pair .phone{width:260px;max-width:100%;justify-self:center}
.guide-table{width:100%;border-collapse:collapse;margin-top:24px;font-size:15px}
.guide-table th,.guide-table td{padding:12px 10px;border-bottom:1px solid var(--rule);text-align:left;vertical-align:top}
.guide-table th{font-weight:600;color:var(--ink)}
.guide-table td{color:var(--muted)}
.guide-table td:first-child{color:var(--ink);font-weight:500}
.guide-foot{margin-top:48px;padding-top:28px;border-top:1px solid var(--ink);display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* 404 */
.notfound{min-height:70vh;display:grid;place-content:center;text-align:center;gap:16px;padding-block:80px}

/* 반응형 */
@media(max-width:1100px){
  :root{--gutter:28px}
  .hero .wrap{grid-template-columns:1fr;gap:40px}
  .hero-visual{grid-template-columns:minmax(0,320px) minmax(0,1fr);align-items:start}
  .spec-row{grid-template-columns:repeat(3,auto)}
  .facts{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .steps li:nth-child(n+4){border-top:1px solid var(--rule)}
  .guide-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .toc{position:static;background:var(--paper);padding:8px 0;border-bottom:1px solid var(--rule)}
  .toc h2{display:none}
  .toc details summary{display:flex;align-items:center;justify-content:space-between;min-height:44px;font-weight:600;font-size:15px;cursor:pointer;list-style:none}
  .toc details summary::-webkit-details-marker{display:none}
  .toc details summary::after{content:'목차';font-family:var(--mono);font-weight:400;font-size:11px;letter-spacing:.1em;color:var(--moss)}
  .toc ol{border-left:0;display:grid;grid-template-columns:1fr 1fr;padding-bottom:8px}
  .toc li a{border-left:0;min-height:40px;padding:0 6px}
  .toc li a.current{background:var(--mint);border-radius:8px}
}
@media(max-width:820px){
  .site-nav a:nth-child(2){display:none}
  .status-pill{display:none}
  .scenes{grid-template-columns:1fr}
  .path-layout,.preview-layout,.anatomy,.tune-layout,.closing .wrap{grid-template-columns:1fr}
  .closing-meter{justify-self:start}
  .safety-sheet ul{grid-template-columns:1fr}
  .safety-sheet li:nth-child(odd){border-right:0}
  .safety-sheet li:nth-child(2){border-top:1px solid var(--rule)}
  .site-footer .wrap{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  :root{--gutter:20px;--fs-m:17px;--space-section:64px}
  body{line-height:1.68}
  .site-header .wrap{min-height:60px}
  .site-nav a{padding:0 10px;font-size:14px}
  .brand small{display:none}
  .hero{padding-top:28px}
  .hero-lead{font-size:18px}
  .hero-visual{grid-template-columns:1fr;gap:24px}
  .hero-phone{width:280px}
  .spec-row{grid-template-columns:1fr 1fr;gap:16px 20px}
  .eq{grid-template-columns:1fr;gap:56px}
  .eq-range{grid-template-columns:1fr 1fr;gap:16px 12px}
  .eq-range div:last-child{grid-column:1/-1}
  .eq-range dt{white-space:nowrap}
  .eq-range dd{font-size:17px;white-space:nowrap}
  .guide-table thead,.preview-static thead{display:none}
  .guide-table tr,.preview-static tr{display:grid;gap:6px;padding:14px 0;border-bottom:1px solid var(--rule)}
  .guide-table td,.preview-static td{display:grid;grid-template-columns:96px 1fr;gap:10px;padding:0;border:0}
  .guide-table td::before,.preview-static td::before{content:attr(data-label);font-size:13px;color:var(--muted);font-family:var(--sans)}
  .guide-table td:first-child,.preview-static td:first-child{display:block;font-weight:600;font-size:16px}
  .guide-table td:first-child::before,.preview-static td:first-child::before{content:none}
  .mode-group label{font-size:14px;padding:14px 4px 12px}
  .tune-row{grid-template-columns:1fr;gap:8px}
  .steps{grid-template-columns:1fr}
  .steps li:nth-child(n+2){border-top:1px solid var(--rule)}
  .facts{grid-template-columns:1fr}
  .site-footer .wrap{grid-template-columns:1fr}
  .screen-pair{grid-template-columns:1fr}
  .step{grid-template-columns:36px 1fr;gap:12px}
  .step .n{width:36px;height:36px;font-size:14px}
  .guide-main section h2{font-size:26px}
  .toc ol{grid-template-columns:1fr}
  .button{width:100%}
  .hero-cta .button,.steps-cta .button,.closing-cta .button,.guide-foot .button{width:auto}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  html.js .reveal,html.js .hero-phone img,html.js .path-diagram .box,html.js .path-diagram text{opacity:1;transform:none}
  html.js .path-diagram .wire{stroke-dasharray:none;stroke-dashoffset:0}
  html.js .meter:not(.live) i{height:var(--h,4px)}
  html.js .balance:not(.settled) .balance-thumb{left:50%}
}