/* 조재연 강사 홈페이지 공통 스타일 (모든 페이지 공용)
   - 색·간격·글꼴은 :root 변수에서 한 번에 바꿀 수 있습니다. */
:root{
  --navy:#14263f;
  --navy-2:#1d3a5f;
  --blue:#236eb8;
  --blue-2:#2f80cf;
  --sky:#eaf3fb;
  --ink:#1c2b3c;
  --text:#465668;
  --muted:#5f6e80;
  --line:#e2e8ef;
  --bg:#ffffff;
  --bg-soft:#f5f8fb;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(20,38,63,.07);
  --shadow-lg:0 18px 44px rgba(20,38,63,.12);
  --max:1160px;
  --header:72px;
  --kakao:#fee500;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header) + 16px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-wrap:break-word}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{color:var(--navy);letter-spacing:-.035em;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid #69a8e5;outline-offset:3px;border-radius:4px}
.wrap{width:min(var(--max),calc(100% - 48px));margin-inline:auto}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:16px;top:-60px;z-index:200;padding:10px 16px;border-radius:8px;background:var(--navy);color:#fff;font-weight:800;text-decoration:none;transition:top .2s}
.skip-link:focus{top:12px}
main:focus{outline:none}

/* ---------- 버튼 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 22px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;color:var(--navy);font-size:15px;font-weight:800;line-height:1.2;text-decoration:none;transition:transform .2s,background .2s,border-color .2s,color .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px);border-color:#b9d2e9;color:var(--blue);box-shadow:0 8px 20px rgba(35,110,184,.10)}
.btn-primary{border-color:var(--navy);background:var(--navy);color:#fff}
.btn-primary:hover{border-color:var(--blue);background:var(--blue);color:#fff}
.btn-kakao{border-color:var(--kakao);background:var(--kakao);color:#191919}
.btn-kakao:hover{border-color:#f2d900;background:#f2d900;color:#191919}
.btn-ghost{border-color:rgba(255,255,255,.35);background:transparent;color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);color:#fff}
.btn .arrow{font-size:14px}
.actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 상단 헤더 ---------- */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);border-bottom:1px solid var(--line);-webkit-backdrop-filter:saturate(1.6) blur(12px);backdrop-filter:saturate(1.6) blur(12px)}
.header-in{display:flex;align-items:center;gap:20px;height:var(--header)}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;color:var(--navy);text-decoration:none}
.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;font-size:17px;font-weight:900}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:19px;font-weight:850;letter-spacing:-.04em}
.brand-text small{margin-top:4px;color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.02em}
.site-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.site-nav a{position:relative;padding:9px 11px;border-radius:8px;color:#33475d;font-size:15px;font-weight:700;text-decoration:none;white-space:nowrap;transition:color .2s,background .2s}
.site-nav a:hover{color:var(--blue);background:var(--sky)}
.site-nav a[aria-current="page"]{color:var(--blue)}
.site-nav a[aria-current="page"]::after{content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;border-radius:2px;background:var(--blue)}
.header-cta{flex-shrink:0;min-height:42px;padding:0 16px;font-size:14px}
.header-social{display:flex;gap:6px;flex-shrink:0}
.nav-toggle{display:none;width:44px;height:44px;margin-left:4px;padding:0;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--navy);cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;margin:4px auto;border-radius:2px;background:currentColor;transition:transform .25s,opacity .25s}
.header.is-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.header.is-open .nav-toggle span:nth-child(2){opacity:0}
.header.is-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 채널 아이콘 */
.social{display:flex;gap:8px}
.social a{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;transition:transform .2s,box-shadow .2s}
.social a:hover{transform:translateY(-2px);box-shadow:0 6px 14px rgba(25,42,63,.16)}
.social svg{width:19px;height:19px;fill:#fff}
.social .instagram{background:linear-gradient(135deg,#feda75 0%,#fa7e1e 28%,#d62976 58%,#962fbf 78%,#4f5bd5 100%)}
.social .kakao{background:var(--kakao)}
.social .kakao svg{fill:#191919}
.social .naver{background:#03c75a}

/* ---------- 공통 섹션 ---------- */
.section{padding:112px 0}
.section-soft{background:var(--bg-soft)}
.section-head{display:grid;grid-template-columns:220px 1fr;gap:56px;margin-bottom:56px}
.kicker{color:var(--blue);font-size:13px;font-weight:850;letter-spacing:.14em;text-transform:uppercase}
.section-head h2,.page-sec h2{font-size:clamp(30px,3.6vw,44px);line-height:1.3}
.intro{max-width:720px;margin-top:20px;color:var(--text);font-size:18px;line-height:1.95}
.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--blue);font-size:13px;font-weight:850;letter-spacing:.12em}
.eyebrow::before{content:"";width:26px;height:2px;background:currentColor}
.more-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;color:var(--blue);font-size:15px;font-weight:800;text-decoration:none}
.more-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- 홈: 첫 화면 ---------- */
.hero{position:relative;overflow:hidden;padding:96px 0 88px;background:radial-gradient(1100px 520px at 85% -10%,#e5f0fb 0%,rgba(229,240,251,0) 60%),linear-gradient(180deg,#f8fbfe 0%,#fff 100%)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{margin:26px 0 24px;font-size:clamp(40px,5.6vw,68px);font-weight:900;line-height:1.16;letter-spacing:-.055em}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero-copy{max-width:620px;font-size:19px;line-height:1.95}
.hero .actions{margin-top:36px}
.profile-card{position:relative;padding:34px;border-radius:20px;background:linear-gradient(150deg,#14263f 0%,#1c3a5e 60%,#245085 100%);color:#d7e3f0;box-shadow:var(--shadow-lg)}
.profile-card::after{content:"";position:absolute;inset:0;border-radius:20px;background:radial-gradient(420px 220px at 100% 0%,rgba(130,199,255,.22),transparent 70%);pointer-events:none}
.profile-card-label{color:#8bc5f4;font-size:12px;font-weight:850;letter-spacing:.14em}
.profile-card-name{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 12px;margin-top:16px}
.profile-card-name strong{color:#fff;font-size:32px;font-weight:900;letter-spacing:-.05em}
.profile-card-name span{color:#a8d8ff;font-size:15px;font-weight:800}
.profile-card ul{margin-top:24px;border-top:1px solid rgba(255,255,255,.14)}
.profile-card li{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.10);color:#e8f0f8;font-size:15px;font-weight:650;line-height:1.6}
.profile-card li::before{content:"";flex:0 0 7px;height:7px;margin-top:9px;border-radius:50%;background:#82c7ff}
.profile-card .social{position:relative;z-index:1;margin-top:24px}
.proof{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:72px}
.proof div{padding:22px 24px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.8)}
.proof small{display:block;color:var(--blue);font-size:12px;font-weight:850;letter-spacing:.1em}
.proof strong{display:block;margin-top:8px;color:var(--navy);font-size:17px;line-height:1.5}

/* ---------- 카드 공통 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{position:relative;display:flex;flex-direction:column;padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:transform .25s,box-shadow .25s,border-color .25s}
a.card{text-decoration:none;color:inherit}
a.card:hover,.card.is-link:hover{transform:translateY(-4px);border-color:#c7dbee;box-shadow:var(--shadow)}
.card-no{color:var(--blue);font-size:12px;font-weight:850;letter-spacing:.12em}
.card-icon{width:44px;height:44px;display:grid;place-items:center;margin-bottom:22px;border-radius:12px;background:var(--sky);color:var(--blue)}
.card-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card h3{margin:12px 0 10px;font-size:21px;line-height:1.45}
.card p{color:var(--text);font-size:16px;line-height:1.85}
.card-tag{margin-top:auto;padding-top:20px;color:#55667a;font-size:12px;font-weight:800;letter-spacing:.1em}
.card-link{margin-top:auto;padding-top:20px;color:var(--blue);font-size:14px;font-weight:850}
.card-grid .card:nth-child(6n+2) .card-icon{background:#eaf6f2;color:#207b69}
.card-grid .card:nth-child(6n+3) .card-icon{background:#f2edfa;color:#7457ad}
.card-grid .card:nth-child(6n+4) .card-icon{background:#fff4e8;color:#95601f}
.card-grid .card:nth-child(6n+5) .card-icon{background:#eaf3fb;color:#236eb8}
.card-grid .card:nth-child(6n+6) .card-icon{background:#eaf6f2;color:#207b69}

/* ---------- 진단 섹션 ---------- */
.signal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.signal{padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.signal span{color:var(--blue);font-size:12px;font-weight:900;letter-spacing:.12em}
.signal strong{display:block;margin-top:14px;color:var(--navy);font-size:18px;line-height:1.55;letter-spacing:-.03em}
.signal p{margin-top:8px;color:var(--muted);font-size:15px;line-height:1.85}
.panel-dark{margin-top:64px;padding:42px;border-radius:20px;background:var(--navy);color:#c9d6e4}
.panel-dark-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:30px}
.mini-kicker{color:#8bc5f4;font-size:12px;font-weight:900;letter-spacing:.15em}
.panel-dark h3{margin-top:12px;color:#fff;font-size:28px;line-height:1.45}
.panel-dark-head>p{max-width:340px;font-size:15px;line-height:1.9}
.deliverable-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.deliverable-grid article{padding:22px 20px;border:1px solid rgba(255,255,255,.14);border-radius:12px;background:rgba(255,255,255,.05)}
.deliverable-grid b{color:#8bc5f4;font-size:12px;letter-spacing:.08em}
.deliverable-grid strong{display:block;margin-top:14px;color:#fff;font-size:17px;line-height:1.5}
.deliverable-grid p{margin-top:8px;font-size:14px;line-height:1.85}
.flow{margin-top:64px}
.flow h3{font-size:26px;line-height:1.45}
.flow .mini-kicker{color:var(--blue)}
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:26px 0 0;padding:0;list-style:none}
.flow-steps li{position:relative;padding:20px 18px;border:1px solid var(--line);border-radius:12px;background:#fff}
.flow-steps li:not(:last-child)::after{content:"→";position:absolute;right:-13px;top:50%;z-index:1;width:22px;height:22px;display:grid;place-items:center;margin-top:-11px;border-radius:50%;background:#fff;color:#7d97b1;font-size:13px}
.flow-steps b{color:var(--blue);font-size:12px}
.flow-steps strong{display:block;margin-top:8px;color:var(--navy);font-size:17px;line-height:1.45}
.flow-steps small{display:block;margin-top:4px;color:var(--muted);font-size:12px;font-weight:800;letter-spacing:.07em}
.cta-strip{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:40px;padding:26px 30px;border:1px solid #d6e5f2;border-radius:var(--radius);background:#f2f8fd}
.cta-strip strong{display:block;color:var(--navy);font-size:19px}
.cta-strip span{display:block;margin-top:4px;color:var(--muted);font-size:15px}

/* ---------- 브랜드 문장 ---------- */
.statement{position:relative;overflow:hidden;padding:96px 0;background:linear-gradient(112deg,#12243c 0%,#193456 50%,#14263f 100%);color:#c4d2e1}
.statement::before{content:"";position:absolute;top:-40%;left:-10%;width:60%;height:180%;border-radius:50%;background:radial-gradient(ellipse,rgba(95,164,224,.18) 0%,transparent 70%);pointer-events:none}
.statement-copy{position:relative;max-width:820px;color:#fff;font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.6;letter-spacing:-.05em}
.statement-copy .hl{color:#a8d8ff}
.statement small{position:relative;display:block;max-width:640px;margin-top:24px;font-size:16px;line-height:1.95}
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.js .reveal.is-visible{opacity:1;transform:none}

/* ---------- 진행 방식 ---------- */
.process{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:start}
.steps{border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:96px 1fr;gap:6px 18px;padding:26px 0;border-bottom:1px solid var(--line)}
.step b{grid-row:span 2;color:var(--blue);font-size:12px;font-weight:900;letter-spacing:.1em;padding-top:6px}
.step strong{color:var(--navy);font-size:20px;line-height:1.5}
.step p{font-size:16px;line-height:1.9}
.principle{padding:36px;border-radius:20px;background:var(--bg-soft);border:1px solid var(--line)}
.principle h3{margin:18px 0 14px;font-size:27px;line-height:1.45}
.principle p{font-size:16px;line-height:1.95}

/* ---------- 소개 ---------- */
.profile{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
.profile-copy{font-size:18px;line-height:1.95}
.profile-name{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 12px;margin-top:28px}
.profile-name strong{color:var(--navy);font-size:26px;font-weight:900;letter-spacing:-.04em}
.profile-name span{color:var(--blue);font-size:15px;font-weight:800}
.check-list{margin-top:18px;border-top:1px solid var(--line)}
.check-list li{position:relative;padding:15px 0 15px 30px;border-bottom:1px solid var(--line);color:var(--ink);font-size:16px;font-weight:650;line-height:1.6}
.check-list li::before{content:"";position:absolute;left:4px;top:22px;width:12px;height:7px;border-left:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(-45deg)}
.check-list small{display:block;margin-top:4px;color:var(--muted);font-size:14px;font-weight:500}
.topic-box{padding:34px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.topic-box h3{margin:16px 0 10px;font-size:23px;line-height:1.45}
.topic-box>p{font-size:16px;line-height:1.9}
.topic-box ol{margin:20px 0 0;padding:0;list-style:none;counter-reset:topic}
.topic-box ol li{counter-increment:topic;display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--line);color:var(--ink);font-size:16px;font-weight:650}
.topic-box ol li::before{content:counter(topic,decimal-leading-zero);color:var(--blue);font-size:13px;font-weight:900;padding-top:2px}

/* ---------- 강의 ---------- */
.audience{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:22px}
.audience b{margin-right:4px;color:var(--navy);font-size:14px}
.audience span{padding:7px 13px;border:1px solid #d7e3ee;border-radius:999px;background:#fff;color:#4b6075;font-size:13px;font-weight:750}
.lecture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.lecture{display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:transform .25s,box-shadow .25s}
.lecture:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.lecture-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0f1f33}
.lecture-media img{width:100%;height:100%;object-fit:cover}
.lecture-media::after{content:"© 조재연 강사";position:absolute;right:10px;bottom:8px;padding:2px 8px;border-radius:6px;background:rgba(10,20,34,.45);color:rgba(255,255,255,.85);font-size:11px;font-weight:700;pointer-events:none}
.lecture-no{position:absolute;left:12px;top:12px;padding:5px 10px;border-radius:999px;background:rgba(255,255,255,.92);color:var(--navy);font-size:11px;font-weight:900;letter-spacing:.08em}
.lecture-body{display:flex;flex-direction:column;flex:1;padding:24px}
.lecture-tag{color:var(--blue);font-size:11px;font-weight:900;letter-spacing:.1em}
.lecture-body h3{margin:10px 0 10px;font-size:20px;line-height:1.45}
.lecture-body p{font-size:15px;line-height:1.85}
.lecture-body .card-link{text-decoration:none}
.lecture-body .card-link:hover{text-decoration:underline;text-underline-offset:4px}
.center-row{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:36px}

/* ---------- 전자차트 자료 ---------- */
.resource-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.resource{display:grid;grid-template-columns:150px 1fr;gap:26px;align-items:center;padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;text-decoration:none;transition:transform .25s,box-shadow .25s,border-color .25s}
.resource:hover{transform:translateY(-4px);border-color:#c7dbee;box-shadow:var(--shadow)}
.resource-logo{height:96px;display:grid;place-items:center;padding:16px;border-radius:12px;background:var(--bg-soft)}
.resource-logo img{max-height:56px;width:auto}
.resource h3{margin:8px 0 6px;font-size:20px}
.resource p{font-size:15px;line-height:1.8}
.resource .card-link{display:inline-block;padding-top:12px}
.note{margin-top:20px;color:var(--muted);font-size:14px;line-height:1.85}

/* ---------- FAQ ---------- */
.faq{max-width:880px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{position:relative;padding:24px 48px 24px 0;color:var(--navy);font-size:18px;font-weight:800;line-height:1.55;list-style:none;cursor:pointer}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";margin-right:12px;color:var(--blue);font-weight:900}
.faq summary::after{content:"";position:absolute;right:8px;top:32px;width:10px;height:10px;border-right:2px solid #7d97b1;border-bottom:2px solid #7d97b1;transform:rotate(45deg);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(-135deg);top:36px}
.faq details p{padding:0 40px 26px 28px;font-size:16px;line-height:1.95}

/* ---------- 상담 CTA ---------- */
.contact{padding:96px 0;background:linear-gradient(135deg,#14263f 0%,#1d3a5f 55%,#245085 100%);color:#c9d6e4}
.contact-in{display:flex;align-items:flex-end;justify-content:space-between;gap:40px}
.contact .eyebrow{color:#8bc5f4}
.contact h2{margin:18px 0 14px;color:#fff;font-size:clamp(30px,3.8vw,46px);line-height:1.3}
.contact p{font-size:16px;line-height:1.9}
.contact .actions{flex-shrink:0}

/* ---------- 하위 페이지 ---------- */
.page-hero{padding:72px 0 64px;background:radial-gradient(900px 420px at 90% -20%,#e5f0fb 0%,rgba(229,240,251,0) 60%),linear-gradient(180deg,#f8fbfe 0%,#fff 100%);border-bottom:1px solid var(--line)}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 26px;padding:0;list-style:none;color:var(--muted);font-size:14px;font-weight:650}
.breadcrumb li+li::before{content:"/";margin-right:6px;color:#a3b2c2}
.breadcrumb a{text-decoration:none}
.breadcrumb a:hover{color:var(--blue);text-decoration:underline}
.page-hero h1{margin:20px 0 14px;font-size:clamp(34px,5vw,56px);font-weight:900;line-height:1.2;letter-spacing:-.05em}
.page-role{color:var(--blue);font-size:19px;font-weight:800}
.page-lead{max-width:800px;margin-top:20px;font-size:18px;line-height:1.95}
.page-sec{padding:80px 0}
.page-sec+.page-sec:not(.section-soft){padding-top:0}
.page-sec .kicker{margin-bottom:12px}
.page-sec h2{margin-bottom:28px}
.page-sec .steps{max-width:820px}
.page-list{max-width:860px}
.page-note{margin-top:18px;color:var(--muted);font-size:14px}
.link-row{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 푸터 ---------- */
.footer{padding:64px 0 36px;background:#0f1d30;color:#9fb0c3;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px}
.footer .brand{color:#fff}
.footer .brand-text small{color:#8ea2b8}
.footer-desc{margin-top:18px;max-width:380px;line-height:1.85}
.footer h2{margin-bottom:14px;color:#fff;font-size:14px;letter-spacing:.04em}
.footer ul li{margin:8px 0}
.footer a{text-decoration:none}
.footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer .social{margin-top:22px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;line-height:1.8}

/* ---------- 반응형 ---------- */
/* 상단 고정 공식 채널 아이콘 */
.header-social{align-items:center;gap:7px;flex-shrink:0}
.header-social a{width:34px;height:34px;border-radius:10px}
.header-social a:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.header-social svg{width:18px;height:18px}
@media (max-width:720px){
  .header-in{gap:8px}
  .header-social{gap:4px}
  .header-social a{width:30px;height:30px;border-radius:8px}
  .header-social svg{width:16px;height:16px}
  .header-cta{display:none}
  .nav-toggle{width:38px;height:38px;flex-shrink:0}
}
@media (max-width:1080px){
  .header-social{display:flex;gap:5px}
  .nav-toggle{display:block}
  .header-cta{margin-left:0}
  .js .site-nav{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;margin:0;padding:8px 24px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 16px 30px rgba(20,38,63,.10)}
  .js .header.is-open .site-nav{display:flex}
  .js .site-nav a{padding:15px 4px;border-bottom:1px solid #eef2f6;border-radius:0;font-size:16px}
  .js .site-nav a[aria-current="page"]::after{display:none}
  .js .site-nav a[aria-current="page"]{font-weight:850}
  html:not(.js) .header-in{flex-wrap:wrap;height:auto;padding:12px 0}
  html:not(.js) .nav-toggle{display:none}
  html:not(.js) .site-nav{order:3;width:100%;flex-wrap:wrap;margin:0}
  .hero-grid,.process,.profile{grid-template-columns:1fr}
  .section-head{grid-template-columns:1fr;gap:14px}
  .deliverable-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid,.lecture-grid{grid-template-columns:repeat(2,1fr)}
  .signal-grid{grid-template-columns:repeat(2,1fr)}
  .contact-in{flex-direction:column;align-items:flex-start}
}
@media (max-width:720px){
  :root{--header:64px}
  body{font-size:16px}
  .wrap{width:calc(100% - 32px)}
  .brand-mark{width:34px;height:34px;font-size:15px}
  .brand-text strong{font-size:17px}
  .brand-text small{font-size:10px}
  .header-cta{min-height:40px;padding:0 12px;font-size:13px}
  .js .site-nav{padding:4px 16px 16px}
  .section{padding:76px 0}
  .section-head{margin-bottom:36px}
  .intro{font-size:16px;line-height:1.9}
  .hero{padding:56px 0 60px}
  .hero h1{margin:20px 0 18px}
  .hero-copy{font-size:16px;line-height:1.9}
  .hero .actions .btn{flex:1 1 100%}
  .profile-card{padding:26px}
  .profile-card-name strong{font-size:27px}
  .proof{grid-template-columns:1fr;gap:10px;margin-top:44px}
  .proof div{padding:16px 18px}
  .card-grid,.lecture-grid,.signal-grid,.resource-grid,.deliverable-grid{grid-template-columns:1fr}
  .card{padding:24px}
  .panel-dark{margin-top:44px;padding:26px 20px}
  .panel-dark-head{flex-direction:column;align-items:flex-start;gap:12px}
  .panel-dark h3{font-size:23px}
  .flow h3{font-size:22px}
  .flow-steps{grid-template-columns:1fr 1fr;gap:10px}
  .flow-steps li:not(:last-child)::after{display:none}
  .cta-strip{flex-direction:column;align-items:stretch;padding:22px}
  .cta-strip .btn{width:100%}
  .statement{padding:68px 0}
  .step{grid-template-columns:1fr;gap:4px}
  .step b{grid-row:auto;padding-top:0}
  .step strong{font-size:18px}
  .principle,.topic-box{padding:24px}
  .principle h3{font-size:23px}
  .resource{grid-template-columns:1fr;gap:16px;padding:22px}
  .resource-logo{height:84px}
  .faq summary{font-size:16px;padding:20px 36px 20px 0}
  .faq summary::after{top:27px}
  .faq details[open] summary::after{top:31px}
  .faq details p{padding:0 8px 22px 24px;font-size:15px}
  .contact{padding:68px 0}
  .contact .actions{width:100%}
  .contact .actions .btn{flex:1 1 100%}
  .page-hero{padding:44px 0 44px}
  .page-role{font-size:16px}
  .page-lead{font-size:16px}
  .page-sec{padding:56px 0}
  .link-row .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
}
@media (max-width:380px){
  .brand-text small{display:none}
  .header-cta{padding:0 10px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .js .reveal{opacity:1;transform:none}
}

/* ---------- 복사·인쇄 제한 (security.js가 html에 protect 클래스를 붙였을 때만 적용) ---------- */
html.protect body{-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-touch-callout:none}
html.protect input,html.protect textarea{-webkit-user-select:text;user-select:text}
html.protect img{-webkit-user-drag:none}
@media print{
  html.protect body>*{display:none!important}
  html.protect body::before{content:"이 페이지는 인쇄가 제한되어 있습니다. © 조재연 강사 · dentalsolve.kr";display:block;padding:40px;font-size:16px;color:#000}
}
.page-hero .actions{margin-top:32px}
.center-note{text-align:center}
.brand-mark svg{width:24px;height:24px;fill:none;stroke:#fff;stroke-width:3.6;stroke-linejoin:round}
@media (max-width:720px){.brand-mark svg{width:21px;height:21px}}

/* 처치 버튼 정리 기준 페이지 */
.principles-sec .card-no{font-size:16px;font-weight:900;letter-spacing:.08em}
.principles-sec .card h3{font-size:21px}
.principles-sec .card p{font-size:15px;line-height:1.7}

/* ---------- 이미지 중심 홈페이지 ---------- */
.hero-art{margin:0;position:relative;overflow:hidden;border-radius:24px;box-shadow:0 24px 60px rgba(7,24,46,.18)}
.hero-art img{display:block;width:100%;height:auto;aspect-ratio:5/3;object-fit:cover}
.hero-art figcaption{position:absolute;left:18px;bottom:16px;padding:8px 12px;border-radius:999px;background:rgba(5,20,39,.78);color:#eaf8ff;font-size:12px;font-weight:700;backdrop-filter:blur(8px)}
.service-visual-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.service-visual{padding:0 0 24px;overflow:hidden;min-width:0}
.service-visual img{display:block;width:100%;aspect-ratio:18/11;object-fit:cover;margin-bottom:22px;background:#0b2039}
.service-visual .card-no,.service-visual h3,.service-visual .card-link{margin-left:22px;margin-right:22px}
.service-visual h3{margin-top:9px;margin-bottom:0;font-size:19px}
.service-visual .card-link{padding-top:14px}
#services .section-head{margin-bottom:32px}
#services .section-head h2{max-width:700px}
#clinic-fit .section-head,#process .section-head,#about .section-head{margin-bottom:30px}
@media(max-width:980px){.service-visual-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-art{max-width:760px;margin:0 auto}}
@media(max-width:620px){.service-visual-grid{grid-template-columns:1fr}.service-visual img{aspect-ratio:16/9}.hero-art figcaption{font-size:10px;left:10px;bottom:10px}.hero-art{border-radius:16px}}

.service-page-image{max-width:760px;margin:30px auto 0;overflow:hidden;border-radius:22px;background:#0b2039;box-shadow:0 18px 48px rgba(7,24,46,.14)}
.service-page-image img{display:block;width:100%;height:auto;aspect-ratio:18/11;object-fit:cover}
.service-page-image figcaption{padding:10px 16px;color:#dcefff;background:#0a2441;font-size:12px;font-weight:700}
.compact-signals .signal{min-height:130px;display:flex;flex-direction:column;justify-content:center}
.compact-signals .signal strong{margin-top:10px;font-size:17px}

/* 2026-11 Dentalsolve visual refresh */
:root{--navy:#07152e;--navy-2:#0c2850;--blue:#075cff;--blue-2:#06c9ee;--sky:#eaf6ff;--ink:#10213d;--text:#4d5c72;--muted:#718096;--line:#dce6f2;--bg:#fff;--bg-soft:#f5f8fc;--radius:22px;--shadow:0 18px 48px rgba(4,24,58,.09);--shadow-lg:0 24px 64px rgba(4,24,58,.16);--max:1240px;--header:82px}
body{font-size:16px;line-height:1.65;color:#536176}h1,h2,h3{color:#0a1a36}.header{background:rgba(5,17,40,.96);border-bottom:1px solid rgba(54,183,255,.2);backdrop-filter:blur(16px)}.header-in{min-height:82px}.brand{color:#fff}.brand-mark svg{fill:none;stroke:#08c7f1;stroke-width:5}.brand-text strong{color:#fff;font-size:23px;letter-spacing:-.04em}.brand-text small{color:#9fb7d8;font-size:10px;letter-spacing:.14em}.site-nav a{color:#dce8f8;font-size:15px;font-weight:700}.site-nav a:hover,.site-nav a[aria-current=page]{color:#20d5f5}.header-cta{border-radius:999px;box-shadow:0 8px 24px rgba(0,100,255,.3)}
.hero-modern{position:relative;overflow:hidden;padding:84px 0 70px;background:radial-gradient(ellipse at 80% 28%,rgba(0,120,255,.22),transparent 42%),linear-gradient(125deg,#06132b 0%,#0b2850 58%,#06152e 100%);color:#fff}.hero-modern:after{content:"";position:absolute;inset:auto -5% -140px;height:230px;background:linear-gradient(90deg,transparent,rgba(0,205,255,.32),transparent);filter:blur(38px);pointer-events:none}.hero-modern-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:54px;position:relative;z-index:1}.hero-modern .eyebrow{color:#4edcf6;letter-spacing:.16em;font-size:12px;font-weight:800}.hero-modern h1{color:#fff;font-size:clamp(38px,5vw,64px);line-height:1.17;letter-spacing:-.06em;margin:22px 0}.hero-modern h1 em{font-style:normal;color:#18d2ef}.hero-modern .hero-copy{color:#c6d8ef;font-size:18px;font-weight:600;letter-spacing:.01em}.hero-modern .actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}.hero-modern .btn{border-radius:999px;padding:15px 25px;font-weight:800}.hero-modern .btn-primary{background:linear-gradient(100deg,#08c8eb,#075cff);color:#fff;border:0}.hero-modern .btn-outline{color:#fff;border:1px solid rgba(255,255,255,.65);background:rgba(255,255,255,.04)}.hero-proof{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:36px;color:#9eb8d8;font-size:12px;font-weight:700}.hero-proof i{width:4px;height:4px;background:#1bd3f2;border-radius:50%}.hero-visual{position:relative;min-width:0}.hero-visual>img{width:100%;aspect-ratio:1.55;object-fit:cover;border-radius:26px;border:1px solid rgba(81,193,255,.38);box-shadow:0 26px 70px rgba(0,0,0,.28);background:#0b2448}.hero-caption{position:absolute;left:20px;bottom:18px;padding:12px 18px;border-radius:14px;background:rgba(3,17,39,.82);border:1px solid rgba(255,255,255,.16);color:#fff;display:flex;flex-direction:column;line-height:1.35}.hero-caption strong{font-size:15px}.hero-caption span{font-size:12px;color:#b8cde7}.home-services{padding:72px 0 90px}.compact-head{margin-bottom:28px}.compact-head h2{font-size:clamp(26px,3vw,38px);margin-top:8px}.compact-head .eyebrow{font-size:11px;letter-spacing:.16em;color:#0877d9;font-weight:900}.service-visual-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.service-visual{padding:26px 22px 24px;border:1px solid #e1eaf4;border-radius:20px;background:#fff;box-shadow:0 8px 26px rgba(7,30,66,.045);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;text-decoration:none;min-height:220px}.service-visual:hover{transform:translateY(-5px);border-color:#8bdcf6;box-shadow:0 18px 38px rgba(7,30,66,.1)}.service-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:15px;background:linear-gradient(140deg,#e4f8ff,#e8efff);color:#0879d9;font-size:27px;font-weight:900;margin-bottom:18px}.service-visual h3{font-size:19px;margin-bottom:7px}.service-visual p{font-size:13px;color:#718096;line-height:1.55}.service-visual .card-link{display:inline-block;margin-top:16px;color:#0877d9;font-size:12px;font-weight:800}.section-head h2{letter-spacing:-.045em}.contact{background:linear-gradient(120deg,#06152f,#0d3262);color:#fff}.contact h2{color:#fff}.footer{background:#061329;color:#9eb2cd}.footer h2,.footer .brand-text strong{color:#fff}.footer a{color:#d4e3f5}.btn{transition:transform .18s ease,box-shadow .18s ease}.btn:hover{transform:translateY(-2px)}
@media(max-width:900px){.hero-modern-grid{grid-template-columns:1fr;gap:34px}.hero-modern{padding:58px 0}.hero-visual{max-width:680px}.service-visual-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.header-in{min-height:68px}.brand-text strong{font-size:19px}.brand-text small{font-size:8px}.hero-modern{padding:44px 0 48px}.hero-modern h1{font-size:39px;margin:16px 0}.hero-modern .hero-copy{font-size:15px}.hero-modern .actions{gap:10px;margin-top:24px}.hero-modern .btn{padding:13px 17px;font-size:13px}.hero-proof{gap:8px;font-size:10px;margin-top:24px}.hero-visual>img{border-radius:18px}.service-visual-grid{grid-template-columns:1fr 1fr;gap:10px}.service-visual{padding:18px 14px;min-height:190px;border-radius:16px}.service-visual h3{font-size:15px}.service-visual p{font-size:11px}.service-icon{width:40px;height:40px;font-size:22px;margin-bottom:12px}.home-services{padding:48px 0 58px}}


/* 2026-11-03 homepage cleanup */
.hero-modern .hero-visual>img{aspect-ratio:1.55;object-fit:cover}
.hero-modern .hero-visual{max-width:620px;margin-inline:auto}
.hero-modern .hero-visual:after{content:"";position:absolute;inset:12% 8%;border:1px solid rgba(42,211,255,.18);border-radius:28px;pointer-events:none}
.hero-modern .hero-proof{font-size:13px}
.home-services{padding:72px 0 88px}
.home-services .section-head{margin-bottom:30px}
.home-services .service-visual-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.home-services .service-visual{display:block;min-height:210px;padding:24px 20px;text-decoration:none}
.home-services .service-visual h3{margin:0 0 8px;font-size:18px}
.home-services .service-visual p{margin:0;color:#718096;font-size:13px;line-height:1.6}
.home-services .service-visual .card-link{display:inline-block;margin:15px 0 0;color:#0877d9;font-size:12px;font-weight:800}
.footer .social{display:flex;gap:18px;flex-wrap:wrap}
.footer .social a{font-size:13px}
@media(max-width:900px){.home-services .service-visual-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.home-services{padding:48px 0 58px}.home-services .service-visual-grid{grid-template-columns:1fr 1fr;gap:10px}.home-services .service-visual{min-height:175px;padding:17px 14px}.home-services .service-visual h3{font-size:15px}.home-services .service-visual p{font-size:11px}.home-services .service-visual .card-link{font-size:11px;margin-top:12px}}