/* 매일유용 도구 — 공용 스타일 (가벼운 순수 CSS) */
:root{
  --sun:#FFC83D;      /* 브랜드 노랑 */
  --sun-soft:#FFE7A3;
  --ink:#1F2227;      /* 브랜드 먹색 */
  --ink-2:#4A4F57;    /* 보조 글자 (흰 바탕 대비 8.6:1) */
  --paper:#FFFFFF;
  --page:#FFF8E6;     /* 브랜드 머리글 바탕 */
  --kraft:#F3E3BF;    /* 봉투 종이 */
  --kraft-line:#D9C391;
  --post:#1F4FC4;     /* 링크·초점 파랑 (흰 바탕 대비 7:1) */
  --ok:#17663A;
  --err:#B42318;
  --err-bg:#FDECEA;
  --line:#E6DCC4;
  --r-lg:22px; --r-md:14px; --r-sm:10px;
  --font:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Pretendard","Noto Sans KR","Malgun Gothic","Segoe UI",Roboto,sans-serif;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--page);color:var(--ink);font:400 16px/1.65 var(--font);word-break:keep-all;overflow-wrap:anywhere}
img,svg{display:block;max-width:100%}
a{color:var(--post);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--post);outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:10}
.skip:focus{left:12px}
.wrap{width:100%;max-width:1040px;margin:0 auto;padding:0 16px}
.narrow{max-width:720px}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* 머리글 */
.top{background:var(--sun);border-bottom:2px solid var(--ink)}
.top .wrap{display:flex;align-items:center;gap:12px;min-height:60px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:800;font-size:18px;letter-spacing:-.02em}
.brand svg{width:34px;height:34px}
.brand small{display:block;font-weight:600;font-size:11.5px;letter-spacing:0;color:var(--ink);opacity:.82;line-height:1.1}
.top nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.top nav a{color:var(--ink);text-decoration:none;font-weight:700;font-size:14.5px;padding:8px 10px;border-radius:999px;min-height:40px;display:inline-flex;align-items:center}
.top nav a:hover{background:rgba(31,34,39,.1)}
.top nav a.lang{border:2px solid var(--ink);padding:5px 12px}
.top nav a[aria-current=page]{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:5px}

/* 첫 칸 */
.hero{background:var(--sun);padding:20px 0 84px;position:relative}
.hero h1{font-size:clamp(34px,8.4vw,60px);line-height:1.08;letter-spacing:-.045em;margin:0 0 10px;font-weight:900}
.hero .lead{font-size:clamp(16.5px,2.3vw,19px);max-width:34em;margin:0 0 14px;font-weight:500}
.facts{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.facts li{display:inline-flex;align-items:center;gap:6px;background:var(--ink);color:var(--sun);font-weight:700;font-size:13.5px;padding:5px 12px 5px 9px;border-radius:999px}
.facts svg{width:15px;height:15px}
.hero-grid{display:grid;gap:18px;align-items:end}
.stamp-row{display:none}
@media (min-width:860px){
  .hero{padding:34px 0 96px}
  .hero-grid{grid-template-columns:1fr 300px}
  .stamp-row{display:block}
}

/* 도구 카드 — 첫 칸 위로 겹침 */
.tool{margin-top:-64px;position:relative}
.card{background:var(--paper);border:2px solid var(--ink);border-radius:var(--r-lg);box-shadow:0 6px 0 var(--ink);padding:20px 16px}
@media (min-width:600px){.card{padding:28px 30px}}
.card h2{margin:0 0 4px;font-size:21px;letter-spacing:-.03em}
.field{margin:0 0 18px}
.field>label,.field .lab{display:block;font-weight:800;font-size:15.5px;margin:0 0 6px}
.hint{display:block;color:var(--ink-2);font-size:14px;font-weight:400;margin-top:2px}
input[type=text],input[type=date],textarea,select{width:100%;font:inherit;font-size:16px;color:var(--ink);background:#fff;border:2px solid #8C8574;border-radius:var(--r-sm);padding:11px 12px;min-height:48px}
textarea{resize:vertical;line-height:1.55}
#names{min-height:170px}
input:focus,textarea:focus,select:focus{border-color:var(--post);outline:3px solid rgba(31,79,196,.25);outline-offset:0}
[aria-invalid=true]{border-color:var(--err)!important}
.count{display:flex;justify-content:space-between;gap:8px;font-size:14px;color:var(--ink-2);margin-top:6px}
.count b{color:var(--ink)}
.count .bad{color:var(--err);font-weight:700}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 0;padding:0;list-style:none}
.chips li{background:var(--page);border:1px solid var(--line);border-radius:999px;padding:2px 10px;font-size:14px}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:700;cursor:pointer;min-height:44px;padding:8px 0}
.check input{width:22px;height:22px;margin:2px 0 0;accent-color:var(--ink);flex:none}
.check span small{display:block;font-weight:400;color:var(--ink-2);font-size:14px}
.me-pick{margin:4px 0 0 32px}
details.more{border:2px solid var(--line);border-radius:var(--r-md);margin:0 0 14px;background:#FFFDF6}
details.more>summary{cursor:pointer;list-style:none;padding:13px 44px 13px 14px;font-weight:800;position:relative;min-height:48px}
details.more>summary::-webkit-details-marker{display:none}
details.more>summary::after{content:"";position:absolute;right:18px;top:50%;width:10px;height:10px;border-right:2.5px solid var(--ink);border-bottom:2.5px solid var(--ink);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
details.more[open]>summary::after{transform:translateY(-30%) rotate(-135deg)}
details.more>summary small{display:block;font-weight:400;color:var(--ink-2);font-size:14px}
details.more .in{padding:2px 14px 6px}
.row2{display:grid;gap:12px}
@media (min-width:600px){.row2{grid-template-columns:1fr 1fr}}
.pair-pick{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:center}
.pair-pick .x{font-weight:800;color:var(--ink-2)}
.pairs{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}
.pairs li{display:flex;align-items:center;justify-content:space-between;gap:8px;background:var(--page);border:1px solid var(--line);border-radius:var(--r-sm);padding:4px 4px 4px 12px;font-weight:600}
.err{background:var(--err-bg);color:var(--err);border:2px solid var(--err);border-radius:var(--r-sm);padding:10px 12px;font-weight:700;margin:0 0 14px}
.err:empty{display:none}
.note{background:var(--page);border-left:5px solid var(--sun);border-radius:6px;padding:10px 12px;font-size:15px}

/* 버튼 */
.btn{appearance:none;font:inherit;font-weight:800;font-size:16px;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 18px;border-radius:999px;border:2px solid var(--ink);background:#fff;color:var(--ink);cursor:pointer;text-decoration:none;line-height:1.2;text-align:center}
.btn:hover{background:var(--page)}
.btn:active{transform:translateY(1px)}
.btn svg{width:18px;height:18px;flex:none}
.btn.main{background:var(--ink);color:#fff;width:100%;font-size:18px;min-height:56px;box-shadow:0 4px 0 #9E7A10}
.btn.main:hover{background:#000}
.btn.sun{background:var(--sun)}
.btn.sun:hover{background:#FFD460}
.btn.sm{min-height:44px;font-size:14.5px;padding:8px 14px}
.btn.ghost{border-color:transparent;text-decoration:underline;font-weight:700}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn.done{background:#E7F4EC;border-color:var(--ok);color:var(--ok)}
.btns{display:flex;flex-wrap:wrap;gap:8px}

/* 결과 — 봉투 줄 */
#result{scroll-margin-top:16px}
#result h2{font-size:clamp(22px,4.4vw,28px)}
.env-list{list-style:none;margin:16px 0;padding:0;display:grid;gap:10px}
@media (min-width:760px){.env-list{grid-template-columns:1fr 1fr}}
.env{position:relative;background:var(--kraft);border:2px solid var(--ink);border-radius:var(--r-md);padding:14px 14px 12px;overflow:hidden}
.env::before{content:"";position:absolute;left:0;right:0;top:0;height:30px;background:linear-gradient(to bottom right,transparent 49.4%,var(--kraft-line) 50%,transparent 50.8%) left/50% 100% no-repeat,linear-gradient(to bottom left,transparent 49.4%,var(--kraft-line) 50%,transparent 50.8%) right/50% 100% no-repeat;pointer-events:none}
.env .to{position:relative;display:flex;align-items:center;gap:10px;margin:0 0 10px;font-size:18px;font-weight:800;min-width:0}
.env .to span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.env .to .seal{width:30px;height:30px;flex:none}
.env .to em{font-style:normal;font-size:12.5px;background:var(--ink);color:var(--sun);border-radius:999px;padding:2px 8px;flex:none}
.env .btns .btn{flex:1 1 auto;background:#fff}
.env.sent{background:#EAF3E3}
.env .state{position:absolute;right:12px;top:12px;font-size:13px;font-weight:800;color:var(--ok)}
.result-actions{display:grid;gap:8px;margin-top:6px}
@media (min-width:600px){.result-actions{grid-template-columns:1fr 1fr}}
.allpairs{margin-top:12px}
.allpairs ol{margin:8px 0 0;padding-left:22px}
.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,20px);background:var(--ink);color:#fff;font-weight:700;padding:10px 18px;border-radius:999px;opacity:0;transition:opacity .2s,transform .2s;z-index:50;pointer-events:none;max-width:calc(100% - 32px);text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* 설명서 */
.guide{padding:40px 0 10px}
.guide h2{font-size:clamp(24px,4.6vw,32px);letter-spacing:-.035em;line-height:1.2;margin:0 0 12px}
.guide h3{font-size:18px;margin:0 0 4px;letter-spacing:-.02em}
.guide p{margin:0 0 12px;max-width:40em}
.steps{list-style:none;counter-reset:s;margin:0 0 30px;padding:0;display:grid;gap:12px}
@media (min-width:760px){.steps{grid-template-columns:repeat(4,1fr)}}
.steps li{counter-increment:s;background:#fff;border:2px solid var(--line);border-radius:var(--r-md);padding:14px}
.steps li::before{content:counter(s);display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--sun);border:2px solid var(--ink);font-weight:900;margin-bottom:8px}
.steps p{font-size:15px;margin:0}
.lock{display:grid;gap:18px;background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:22px 18px;margin:0 0 30px}
.lock a{color:var(--sun)}
.lock h2{color:var(--sun)}
.lock ul{margin:0;padding-left:20px}
.lock li{margin:0 0 8px}
.lock .limits{background:rgba(255,255,255,.08);border-radius:var(--r-md);padding:14px 16px}
.lock .limits h3{color:#fff}
@media (min-width:860px){.lock{grid-template-columns:1.2fr 1fr;padding:30px}}
.url-demo{font-size:14px;background:#fff;color:var(--ink);border-radius:10px;padding:10px 12px;overflow-wrap:anywhere;line-height:1.5;margin:6px 0 4px}
.url-demo b{background:var(--sun);border-radius:4px;padding:0 2px}
.faq{margin:0 0 30px}
.faq details{background:#fff;border:2px solid var(--line);border-radius:var(--r-md);margin:0 0 8px}
.faq summary{cursor:pointer;font-weight:800;padding:14px 44px 14px 16px;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:16px;top:9px;font-size:24px;font-weight:600}
.faq details[open] summary::after{content:"\2212"}
.faq details>div{padding:0 16px 12px}
.faq details>div p{margin:0 0 8px}

/* 선물 아이디어 (설정으로 켬) */
.gifts{margin:28px 0 0;border:2px dashed var(--kraft-line);border-radius:var(--r-lg);background:#fff;padding:18px 16px}
.gifts[hidden]{display:none}
.gifts h2,.gifts h3{margin:0 0 6px;font-size:19px}
.gifts .ad-label{display:inline-block;font-weight:800;font-size:13px;border:1.5px solid var(--ink-2);color:var(--ink-2);border-radius:6px;padding:0 6px;margin-right:6px}
.gifts .disclose{font-size:14px;color:var(--ink-2);margin:0 0 10px}
.gifts [role=tablist]{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}
.gifts [role=tab]{font:inherit;font-weight:800;font-size:15px;min-height:44px;padding:6px 16px;border-radius:999px;border:2px solid var(--ink);background:#fff;color:var(--ink);cursor:pointer}
.gifts [role=tab][aria-selected=true]{background:var(--ink);color:var(--sun)}
.gifts ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
@media (min-width:600px){.gifts ul{grid-template-columns:1fr 1fr}}
.gifts li{border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 12px;background:var(--page)}
.gifts li b{display:block}
.gifts li span{font-size:14.5px;color:var(--ink-2)}
.gifts li a{display:inline-block;margin-top:4px;font-size:14.5px;font-weight:700}

/* 받는 화면 */
.reveal-main{padding:22px 0 30px}
.reveal-stage{display:grid;place-items:center;text-align:center;gap:16px;min-height:300px}
.group-name{font-weight:800;font-size:15px;background:var(--ink);color:var(--sun);border-radius:999px;padding:4px 14px;display:inline-block}
.envelope{position:relative;width:min(330px,88vw);aspect-ratio:3/2;margin:110px auto 4px;perspective:900px}
.envelope .back{position:absolute;inset:0;background:var(--kraft);border:2.5px solid var(--ink);border-radius:14px}
.envelope .letter{position:absolute;left:7%;right:7%;bottom:8%;height:84%;background:#fff;border:2px solid var(--ink);border-radius:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:10px;transition:transform .9s cubic-bezier(.2,.8,.2,1) .45s;z-index:1}
.envelope .front{position:absolute;inset:0;z-index:2;pointer-events:none}
.envelope .front svg{width:100%;height:100%}
.envelope .flap{position:absolute;left:0;right:0;top:0;height:58%;transform-origin:top center;transition:transform .55s ease-in;z-index:3}
.envelope .flap svg{width:100%;height:100%;overflow:visible}
.envelope .addr{position:absolute;left:0;right:0;bottom:11%;z-index:4;font-weight:800;font-size:clamp(17px,5vw,21px);transition:opacity .3s}
.envelope.open .flap{transform:rotateX(180deg);z-index:0}
.envelope.open .letter{transform:translateY(-62%)}
.envelope.open .addr{opacity:0}
.letter .small{font-size:14px;color:var(--ink-2);font-weight:600}
.letter .who{font-size:clamp(28px,9vw,40px);font-weight:900;letter-spacing:-.04em;line-height:1.1;margin:4px 0 0;max-width:100%;overflow-wrap:anywhere}
.letter .hide{opacity:0;transition:opacity .3s .9s}
.envelope.open .letter .hide{opacity:1}
.reveal-hello{font-size:clamp(20px,5vw,26px);font-weight:900;letter-spacing:-.03em;margin:0}
.after{display:none}
.after.on{display:block}
.detail-list{display:grid;gap:8px;margin:0 0 16px;padding:0}
.detail-list div{display:grid;grid-template-columns:7.5em 1fr;gap:8px;background:#fff;border:2px solid var(--line);border-radius:var(--r-sm);padding:10px 12px}
.detail-list dt{font-weight:800;color:var(--ink-2)}
.detail-list dd{margin:0;font-weight:700;white-space:pre-line}
.cta{background:var(--sun);border:2px solid var(--ink);border-radius:var(--r-lg);padding:18px 16px;margin:20px 0 0;display:grid;gap:10px;align-items:center}
.cta p{margin:0;font-weight:700}
@media (min-width:600px){.cta{grid-template-columns:1fr auto}}
.bad-link{max-width:520px;margin:20px auto;text-align:left}
.bad-link h1{font-size:26px;letter-spacing:-.03em;margin:0 0 8px}

/* 일반 글 페이지 */
.doc{padding:30px 0 40px}
.doc h1{font-size:clamp(28px,6vw,40px);letter-spacing:-.04em;line-height:1.15;margin:0 0 14px}
.doc h2{font-size:21px;margin:28px 0 8px;letter-spacing:-.02em}
.doc p,.doc li{max-width:40em}
.doc .updated{color:var(--ink-2);font-size:14px}
.tools-grid{display:grid;gap:14px;margin:20px 0}
@media (min-width:700px){.tools-grid{grid-template-columns:1fr 1fr}}
.tool-card{display:grid;grid-template-columns:64px 1fr;gap:14px;align-items:center;background:#fff;border:2px solid var(--ink);border-radius:var(--r-lg);box-shadow:0 5px 0 var(--ink);padding:16px;text-decoration:none;color:var(--ink)}
.tool-card:hover{background:#FFFDF2}
.tool-card h2,.tool-card h3{margin:0;font-size:20px}
.tool-card p{margin:2px 0 0;color:var(--ink-2);font-size:15px}
.tool-card.soon{box-shadow:none;border-style:dashed;border-color:#B7AC90;background:transparent}

/* 바닥글 */
.foot{border-top:2px solid var(--ink);background:#fff;margin-top:40px;padding:22px 0 30px;font-size:14px;color:var(--ink-2)}
.foot nav{display:flex;flex-wrap:wrap;gap:4px 16px;margin:0 0 10px}
.foot nav a{color:var(--ink);font-weight:700;min-height:40px;display:inline-flex;align-items:center}
.foot p{margin:0 0 4px}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;transition-delay:0s!important;animation:none!important;scroll-behavior:auto!important}
}
@media print{.top,.foot,.cta,.tool,.gifts{display:none}}

/* 추가: 폼 보조 */
.fine{font-size:14px;color:var(--ink-2);text-align:center;margin:10px 0 0}
.more-mode{border:0;padding:0;margin:0 0 10px;min-width:0}
.more-mode legend{padding:0;margin:0 0 2px}
.card.last{margin-top:16px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;box-shadow:0 4px 0 var(--ink)}
.card.last p{margin:0;font-weight:700}
#result{margin-top:18px}
.saved{margin-top:14px}
.saved .btn{min-height:40px;padding:4px 6px;font-size:14px;vertical-align:baseline}
.small-print{font-size:14px;opacity:.85;margin:0}
.wish{margin:0 0 16px;background:#fff;border:2px solid var(--line);border-radius:var(--r-md);padding:14px}
.wish h3{margin:0 0 2px;font-size:17px}
.wish p{margin:0 0 8px}
.open-btn{max-width:330px}
.after h2{font-size:22px;letter-spacing:-.03em;margin:22px 0 10px;text-align:center}

/* 다른 사이트 카드 (결과 화면, 조용하게) */
.xcard{display:grid;gap:2px;margin:16px 0 0;padding:14px 16px;border:1.5px solid var(--line);border-radius:var(--r-md);background:#FFFDF6;color:var(--ink);text-decoration:none}
.xcard:hover{border-color:var(--ink-2)}
.xcard .xk{font-size:12.5px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-2)}
.xcard b{color:var(--post);text-decoration:underline;text-underline-offset:3px}
.xcard span:last-child{font-size:14.5px;color:var(--ink-2)}

/* SIHOO INDUSTRY 가족 띠 (세 사이트 공통) */
.family{border:1.5px solid var(--line);border-radius:var(--r-md);background:var(--page);padding:12px 14px;margin:6px 0 14px}
.family h2{font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin:0 0 6px;color:var(--ink)}
.family ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.family li{font-size:14px}
.family a{font-weight:800;color:var(--post);min-height:32px;display:inline-flex;align-items:center}
.family li[aria-current] b{color:var(--ink)}
.family em{font-style:normal;font-size:12.5px;background:var(--sun);color:var(--ink);border-radius:999px;padding:1px 8px;font-weight:800}
@media (min-width:860px){.family ul{grid-template-columns:repeat(3,1fr);gap:12px}}
[hidden]{display:none!important}
.family em{white-space:nowrap}
.brand span,.top nav a{white-space:nowrap}
@media (max-width:420px){
  .top .wrap{gap:8px}
  .brand{font-size:16.5px;gap:8px}
  .brand svg{width:30px;height:30px}
  .brand small{font-size:11px}
  .top nav a:not(.lang){display:none}
  .top nav a.lang{font-size:14px;padding:4px 10px}
}
.envelope{margin-top:96px}
.howto{margin:0 0 30px}
.howto h3{margin-top:18px}
.guide ul.tidy,.guide ol.tidy{margin:0 0 14px;padding-left:22px;max-width:40em}
.guide .tidy li{margin:0 0 6px}
h1.reveal-hello{line-height:1.2}
.doc .legal{font-size:13.5px;color:var(--ink-2)}