/* =========================================================
   등고선연구회 · CONTOUR SEOUL
   단일 컬럼(H5 폭) · PC 배경 = 콘텐츠 배경 동일
   ========================================================= */

:root{
  /* 색 — 먹빛 잉크 / 한지 / 청자 / 단청 */
  --ink:      #0C1311;
  --ink-2:    #111A17;
  --ink-3:    #16211D;
  --hanji:    #E8E2D2;
  --hanji-d:  rgba(232,226,210,.62);
  --hanji-f:  rgba(232,226,210,.40);
  --celadon:  #6FBFA3;
  --ochre:    #D8A64A;
  --danc:     #E0553D;
  --line:     rgba(232,226,210,.11);
  --line-2:   rgba(232,226,210,.18);

  /* 레이아웃 */
  --col:      520px;
  --pad:      26px;
  --bar:      86px;   /* 고정 버튼 영역 높이 */

  /* 타입 */
  --f-disp: "Nanum Myeongjo", "Apple SD Gothic Neo", serif;
  --f-body: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", system-ui, sans-serif;
  --f-mono: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --f-lat:  "Instrument Serif", Georgia, serif;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ -webkit-text-size-adjust:100%; }

body{
  margin:0;
  background:var(--ink);          /* PC 여백 배경 = 콘텐츠 배경 */
  color:var(--hanji);
  font-family:var(--f-body);
  font-size:15px;
  line-height:1.75;
  letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  /* 한국어 — 어절 단위로 줄바꿈 */
  word-break:keep-all;
  overflow-wrap:break-word;
}
body.is-locked{ overflow:hidden; }

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3{ margin:0; font-weight:800; }
p{ margin:0; }
ul,dl,dd{ margin:0; padding:0; list-style:none; }

::selection{ background:rgba(111,191,163,.28); color:#fff; }

:focus-visible{
  outline:2px solid var(--celadon);
  outline-offset:3px;
  border-radius:4px;
}

/* ── 단일 컬럼 ───────────────────────────────────────── */
.shell{
  width:100%;
  max-width:var(--col);
  margin:0 auto;
  padding-bottom:calc(var(--bar) + 18px);
  position:relative;
  /* 테두리 없음 — PC 여백과 완전히 이어지도록 */
}

/* =========================================================
   타이포
   ========================================================= */
.h1{
  font-family:var(--f-disp);
  font-size:clamp(34px,9.4vw,44px);
  line-height:1.3;
  letter-spacing:-.03em;
  text-wrap:balance;
}
.h1 em{
  font-style:normal;
  position:relative;
  background:linear-gradient(96deg,var(--celadon),var(--ochre));
  -webkit-background-clip:text; background-clip:text;
  color:transparent;
}
.h1 em::after{
  content:""; position:absolute; left:0; right:0; bottom:.02em; height:2px;
  background:linear-gradient(90deg,var(--celadon),var(--ochre));
  border-radius:2px;
  opacity:.75;
}

.h2{
  font-family:var(--f-disp);
  font-size:clamp(25px,6.6vw,31px);
  line-height:1.38;
  letter-spacing:-.03em;
  margin-bottom:14px;
}
.h2 em{
  font-style:normal;
  color:var(--ochre);
  position:relative;
  white-space:nowrap;
}
.h2 em::after{
  content:""; position:absolute; left:0; right:0; bottom:-.1em; height:1px;
  background:linear-gradient(90deg,var(--ochre),transparent);
}
.h2--c{ text-align:center; }
.h2--c em::after{ background:linear-gradient(90deg,transparent,var(--ochre),transparent); }

.lede{
  margin-top:16px;
  font-size:15px;
  line-height:1.85;
  color:var(--hanji-d);
  max-width:38ch;
}
.sub{
  font-size:14.5px;
  line-height:1.9;
  color:var(--hanji-d);
}

/* =========================================================
   버튼 — 전역 광택(sheen) + 글로우
   ========================================================= */
.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  width:100%;
  padding:16px 22px;
  border:0;
  border-radius:15px;
  font-family:var(--f-body);
  font-size:15px;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--ink);
  cursor:pointer;
  overflow:hidden;
  isolation:isolate;
  background:linear-gradient(140deg,#FCE24A 0%,#F7D64B 42%,#E9C24A 100%);
  box-shadow:
    0 1px 0 rgba(255,255,255,.55) inset,
    0 10px 26px -10px rgba(247,214,75,.6),
    0 0 0 1px rgba(255,255,255,.08);
  transition:transform .22s cubic-bezier(.2,.7,.3,1), box-shadow .22s ease;
  -webkit-tap-highlight-color:transparent;
}
/* 흐르는 하이라이트 */
.btn::before{
  content:"";
  position:absolute; top:-60%; bottom:-60%; left:-40%;
  width:34%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.85),transparent);
  transform:skewX(-18deg) translateX(-160%);
  animation:sheen 3.6s cubic-bezier(.35,0,.2,1) infinite;
  pointer-events:none;
  z-index:2;
}
@keyframes sheen{
  0%,62%{ transform:skewX(-18deg) translateX(-160%); }
  100%  { transform:skewX(-18deg) translateX(560%); }
}
.btn:hover{ transform:translateY(-2px); box-shadow:0 1px 0 rgba(255,255,255,.6) inset, 0 16px 34px -12px rgba(247,214,75,.75), 0 0 0 1px rgba(255,255,255,.12); }
.btn:active{ transform:translateY(0) scale(.99); }

.btn--lg{ padding:17px 24px; font-size:15.5px; }
.btn--xl{ padding:19px 24px; font-size:16.5px; border-radius:17px; }

/* 카카오/밴드 아이콘 — 상단 <style>에서 배경 이미지 지정 */
.btn__ico{
  width:22px; height:22px;
  flex:0 0 22px;
  background-repeat:no-repeat;
  background-position:center;
  background-size:contain;
}

/* 맥동하는 외곽 글로우 */
.btn--kakao{ position:relative; }
.btn--kakao::after{
  content:"";
  position:absolute; inset:-2px;
  border-radius:inherit;
  background:linear-gradient(140deg,rgba(252,226,74,.9),rgba(216,166,74,.5),rgba(252,226,74,.9));
  filter:blur(9px);
  opacity:.45;
  z-index:-1;
  animation:halo 3.2s ease-in-out infinite;
}
@keyframes halo{ 0%,100%{ opacity:.32; } 50%{ opacity:.62; } }

/* 보조 버튼 */
.btn--ghost{
  background:transparent;
  color:var(--hanji);
  border:1px solid var(--line-2);
  box-shadow:none;
  font-weight:600;
}
.btn--ghost::before{ background:linear-gradient(100deg,transparent,rgba(232,226,210,.14),transparent); }
.btn--ghost::after{ display:none; }
.btn--ghost:hover{
  border-color:rgba(111,191,163,.5);
  color:#fff;
  box-shadow:0 10px 26px -14px rgba(111,191,163,.7);
}
.btn--ghost i{ color:var(--celadon); font-size:14px; }

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative;
  padding:0 var(--pad) 0;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute; left:50%; top:-140px;
  width:640px; height:640px; transform:translateX(-50%);
  background:radial-gradient(circle,rgba(111,191,163,.14),transparent 62%);
  pointer-events:none;
}

.hero__bar{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 0 6px;
}

.brand{ display:inline-flex; align-items:center; gap:10px; }
.brand__mark{ display:grid; place-items:center; }
.brand__type{
  display:flex; flex-direction:column; line-height:1.15;
  font-family:var(--f-disp); font-weight:800; font-size:16px; letter-spacing:-.02em;
}
.brand__type em{
  font-family:var(--f-mono);
  font-style:normal;
  font-size:8.5px;
  letter-spacing:.2em;
  color:var(--hanji-f);
  margin-top:3px;
}
.brand__badge{
  display:inline-flex; align-items:center; gap:6px;
  padding:6px 11px;
  border:1px solid var(--line-2);
  border-radius:999px;
  font-family:var(--f-mono);
  font-size:10.5px;
  color:var(--hanji-d);
}
.brand__badge i{ color:var(--celadon); font-size:10px; }

/* ── 시그니처: 관측창 ─────────────────────────────────── */
.scope{
  position:relative;
  margin:22px 0 0;
  padding:0 6px;
}
.scope__arch{
  position:relative;
  margin:0;
  aspect-ratio:1/1.14;
  border-radius:999px 999px 22px 22px;   /* 아치 */
  overflow:hidden;
  border:1px solid var(--line-2);
  background:var(--ink-2);
  box-shadow:
    0 30px 70px -34px rgba(0,0,0,.9),
    0 0 0 7px rgba(232,226,210,.028);
  transform-style:preserve-3d;
  transition:transform .5s cubic-bezier(.2,.7,.3,1);
}
.scope__img{
  width:100%; height:100%; object-fit:cover;
  animation:drift 22s ease-in-out infinite alternate;
}
@keyframes drift{
  from{ transform:scale(1.06) translate3d(0,0,0); }
  to  { transform:scale(1.16) translate3d(0,-2.5%,0); }
}
/* 스캔 라인 */
.scope__scan{
  position:absolute; left:0; right:0; height:26%;
  top:-26%;
  background:linear-gradient(180deg,transparent,rgba(111,191,163,.16) 45%,rgba(232,226,210,.5) 50%,rgba(111,191,163,.16) 55%,transparent);
  mix-blend-mode:screen;
  animation:scan 5.6s cubic-bezier(.5,0,.5,1) infinite;
  pointer-events:none;
}
@keyframes scan{
  0%   { top:-26%; opacity:0; }
  12%  { opacity:1; }
  88%  { opacity:1; }
  100% { top:100%; opacity:0; }
}
/* 조준 링 */
.scope__rings{
  position:absolute; inset:0; width:100%; height:100%;
  pointer-events:none;
  animation:breathe 7s ease-in-out infinite;
}
@keyframes breathe{
  0%,100%{ transform:scale(.96); opacity:.5; }
  50%    { transform:scale(1.02); opacity:.85; }
}
/* 필름 그레인 */
.scope__grain{
  position:absolute; inset:0;
  pointer-events:none;
  opacity:.3;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}
/* 아래쪽 페이드 — 텍스트와 맞물리게 */
.scope__arch::after{
  content:"";
  position:absolute; left:0; right:0; bottom:0; height:42%;
  background:linear-gradient(180deg,transparent,rgba(12,19,17,.55) 55%,var(--ink));
  pointer-events:none;
}

/* 떠 있는 투명 오브젝트 */
.scope__chip{
  position:absolute;
  z-index:3;
  pointer-events:none;
  will-change:transform;
  filter:drop-shadow(0 18px 26px rgba(0,0,0,.6));
}
/* 부유 애니메이션은 안쪽 이미지에 — 바깥 요소의 transform은 패럴랙스가 사용 */
.scope__chip img{ width:100%; }
.scope__chip--coin{ width:34%; left:-2px; top:52%; }
.scope__chip--coin img{ animation:bob 7.8s ease-in-out infinite reverse; }
@keyframes bob{
  0%,100%{ transform:translateY(0) rotate(-1.4deg); }
  50%    { transform:translateY(-14px) rotate(1.6deg); }
}

.scope__read{
  position:relative;
  margin:-30px 0 0;
  text-align:center;
  font-family:var(--f-mono);
  font-size:10px;
  letter-spacing:.24em;
  color:var(--hanji-f);
  z-index:4;
}
.scope__dot{
  display:inline-block;
  width:5px; height:5px; border-radius:50%;
  background:var(--danc);
  margin-right:8px;
  vertical-align:middle;
  box-shadow:0 0 0 0 rgba(224,85,61,.6);
  animation:ping 2.4s ease-out infinite;
}
@keyframes ping{
  0%  { box-shadow:0 0 0 0 rgba(224,85,61,.55); }
  70% { box-shadow:0 0 0 9px rgba(224,85,61,0); }
  100%{ box-shadow:0 0 0 0 rgba(224,85,61,0); }
}

.hero__text{ position:relative; margin-top:22px; }
.hero__text .btn{ margin-top:26px; }

/* 한 줄에 세 개 — 컴팩트 스펙 스트립 */
.perks{
  margin-top:18px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:8px;
}
.perks li{
  display:flex; flex-direction:column; align-items:center; gap:7px;
  padding:13px 8px;
  border:1px solid var(--line);
  border-radius:13px;
  background:linear-gradient(165deg,var(--ink-2),var(--ink));
  text-align:center;
  font-size:11.5px;
  line-height:1.45;
  color:var(--hanji-d);
}
.perks i{ color:var(--celadon); font-size:14px; }

/* ── 지표 띠 ─────────────────────────────────────────── */
.marq{
  margin:30px calc(var(--pad) * -1) 0;
  padding:11px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
}
.marq__row{ display:flex; width:max-content; animation:slide 26s linear infinite; }
.marq__set{ display:flex; align-items:center; flex:0 0 auto; }
.marq__set b{
  font-family:var(--f-disp);
  font-weight:400;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--hanji-f);
  padding:0 16px;
}
.marq__set i{
  width:4px; height:4px; border-radius:50%;
  background:var(--celadon); opacity:.55;
}
@keyframes slide{ to{ transform:translateX(-50%); } }

/* =========================================================
   섹션
   ========================================================= */
.sec{
  position:relative;
  padding:58px var(--pad) 0;
}
.sec--join{ padding-bottom:8px; }

/* ── 시그니처 구조: 고도 표시 ─────────────────────────── */
.alt{
  display:flex;
  align-items:center;
  gap:10px;
  padding-bottom:18px;
  margin-bottom:24px;
  border-bottom:1px solid var(--line);
}
.alt__glyph{ color:var(--celadon); display:grid; place-items:center; opacity:.85; }
.alt__val{
  font-family:var(--f-mono);
  font-size:11.5px;
  letter-spacing:.12em;
  color:var(--hanji);
}
.alt__label{
  margin-left:auto;
  font-size:11.5px;
  letter-spacing:.02em;
  color:var(--hanji-f);
}

/* ── 카드 ────────────────────────────────────────────── */
.cards{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
  margin-top:22px;
}
.card--wide{ grid-column:1 / -1; }
.card{
  position:relative;
  padding:18px 16px;
  border:1px solid var(--line);
  border-radius:18px;
  background:
    radial-gradient(320px 180px at var(--mx,50%) var(--my,0%),rgba(111,191,163,.10),transparent 70%),
    linear-gradient(170deg,var(--ink-2),var(--ink));
  overflow:hidden;
  transition:border-color .3s ease, transform .3s cubic-bezier(.2,.7,.3,1);
}
.card::before{
  content:"";
  position:absolute; left:20px; right:20px; top:0; height:1px;
  background:linear-gradient(90deg,transparent,rgba(111,191,163,.5),transparent);
  opacity:0; transition:opacity .3s ease;
}
.card:hover{ border-color:rgba(111,191,163,.3); transform:translateY(-2px); }
.card:hover::before{ opacity:1; }
.card__ico{
  display:grid; place-items:center;
  width:36px; height:36px;
  margin-bottom:11px;
  border-radius:11px;
  border:1px solid var(--line-2);
  background:linear-gradient(150deg,rgba(111,191,163,.16),rgba(216,166,74,.08));
  color:var(--celadon);
  font-size:14px;
}
.card h3{
  font-family:var(--f-disp);
  font-size:15.5px;
  letter-spacing:-.02em;
  margin-bottom:6px;
}
.card p{ font-size:12.5px; line-height:1.78; color:var(--hanji-d); }
/* 넓은 카드는 아이콘을 제목 옆으로 */
.card--wide .card__ico{ width:40px; height:40px; font-size:15px; }
.card--wide h3{ font-size:17.5px; }
.card--wide p{ font-size:13.5px; line-height:1.85; }

/* ── 떠 있는 투명 조형 (프레임 없음) ─────────────────── */
.art{
  position:relative;
  margin:0 0 20px;
  display:grid;
  place-items:center;
  transform-style:preserve-3d;
  transition:transform .5s cubic-bezier(.2,.7,.3,1);
}
/* 바닥 광원 */
.art::before{
  content:"";
  position:absolute; left:50%; bottom:8%;
  width:74%; height:34%;
  transform:translateX(-50%);
  border-radius:50%;
  background:radial-gradient(ellipse at center,rgba(111,191,163,.30),rgba(216,166,74,.10) 45%,transparent 72%);
  filter:blur(14px);
}
/* 등고선 지평선 */
.art::after{
  content:"";
  position:absolute; left:8%; right:8%; bottom:14%;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(111,191,163,.42),transparent);
}
.art img{
  position:relative;
  width:84%;
  filter:drop-shadow(0 24px 30px rgba(0,0,0,.55));
  animation:bob 9s ease-in-out infinite;
}
.art--sm img{ width:78%; }
/* 지형 모형은 위쪽을 안개처럼 흐리게 — 잘린 단면을 감춘다 */
.art--sm img{
  -webkit-mask-image:linear-gradient(180deg,transparent 0%,rgba(0,0,0,.35) 12%,#000 30%);
          mask-image:linear-gradient(180deg,transparent 0%,rgba(0,0,0,.35) 12%,#000 30%);
}

/* ── 인용 ────────────────────────────────────────────── */
.quote{
  position:relative;
  margin:26px 0;
  padding:22px 22px 22px 24px;
  border-left:2px solid var(--ochre);
  border-radius:0 16px 16px 0;
  background:linear-gradient(100deg,rgba(216,166,74,.09),transparent 70%);
}
.quote i{
  position:absolute; top:16px; right:18px;
  font-size:20px; color:rgba(216,166,74,.24);
}
.quote p{
  font-family:var(--f-disp);
  font-size:16.5px;
  line-height:1.75;
  letter-spacing:-.02em;
}

/* ── 체크 목록 ───────────────────────────────────────── */
/* 한 줄에 두 개 */
.checks{
  margin:20px 0 0;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:9px;
}
.checks li{
  display:flex; flex-direction:column; gap:9px;
  padding:15px 14px;
  border:1px solid var(--line);
  border-radius:14px;
  background:linear-gradient(165deg,var(--ink-2),var(--ink));
  font-size:12.5px;
  line-height:1.6;
  color:var(--hanji-d);
}
.checks i{
  display:grid; place-items:center;
  width:28px; height:28px;
  border-radius:9px;
  background:rgba(111,191,163,.12);
  color:var(--celadon);
  font-size:12px;
}

/* ── 마지막 CTA ──────────────────────────────────────── */
.join__aura{
  position:absolute; left:50%; bottom:120px;
  width:100%; max-width:560px; height:420px; transform:translateX(-50%);
  background:radial-gradient(circle,rgba(216,166,74,.13),transparent 64%);
  pointer-events:none;
}
.final{
  position:relative;
  margin-top:40px;
  padding:34px 22px 30px;
  text-align:center;
  border:1px solid var(--line-2);
  border-radius:22px;
  background:linear-gradient(170deg,var(--ink-3),var(--ink));
  overflow:hidden;
}
.final::before{
  content:"";
  position:absolute; left:20%; right:20%; top:0; height:1px;
  background:linear-gradient(90deg,transparent,rgba(216,166,74,.65),transparent);
}
.tag{
  display:inline-flex; align-items:center; gap:8px;
  padding:6px 13px;
  margin-bottom:16px;
  border:1px solid var(--line-2);
  border-radius:999px;
  font-family:var(--f-mono);
  font-size:10.5px;
  letter-spacing:.06em;
  color:var(--hanji-d);
}
.tag__pulse{
  width:6px; height:6px; border-radius:50%;
  background:var(--celadon);
  animation:ping2 2.2s ease-out infinite;
}
@keyframes ping2{
  0%  { box-shadow:0 0 0 0 rgba(111,191,163,.6); }
  70% { box-shadow:0 0 0 8px rgba(111,191,163,0); }
  100%{ box-shadow:0 0 0 0 rgba(111,191,163,0); }
}
.final .btn{ margin-top:22px; }
.final__note{
  display:flex; align-items:center; justify-content:center; gap:7px;
  margin-top:14px;
  font-size:11.5px;
  color:var(--hanji-f);
}
.final__note i{ font-size:10px; color:var(--celadon); }

/* =========================================================
   Footer
   ========================================================= */
.foot{
  margin-top:52px;
  padding:34px var(--pad) 34px;
  border-top:1px solid var(--line);
}
.brand--foot{ margin-bottom:20px; }
.brand--foot .brand__type{ font-size:14px; }

.biz{
  display:grid; gap:8px;
  padding:16px 0 18px;
  border-bottom:1px solid var(--line);
}
.biz > div{ display:flex; gap:12px; align-items:baseline; }
.biz dt{
  flex:0 0 92px;
  font-family:var(--f-mono);
  font-size:10.5px;
  letter-spacing:.04em;
  color:var(--hanji-f);
}
.biz dd{ font-size:12.5px; color:var(--hanji-d); }
.biz__sep{ margin:0 7px; opacity:.4; }

.foot__disc{
  margin:18px 0 20px;
  font-size:11.5px;
  line-height:1.85;
  color:rgba(232,226,210,.34);
}
.foot__legal{
  display:flex; flex-wrap:wrap; align-items:center; gap:10px;
  font-size:12.5px;
}
.foot__legal a{ color:var(--hanji-d); border-bottom:1px solid transparent; transition:.2s; }
.foot__legal a:hover{ color:var(--celadon); border-bottom-color:currentColor; }
.foot__legal span{ color:rgba(232,226,210,.2); }
.foot__copy{
  margin-top:16px;
  font-family:var(--f-mono);
  font-size:10px;
  letter-spacing:.05em;
  color:rgba(232,226,210,.26);
}

/* =========================================================
   고정 하단 버튼 — 항상 노출 · 중앙 정렬
   ========================================================= */
.fixbar{
  position:fixed;
  left:0; right:0; bottom:0;
  z-index:60;
  padding:12px var(--pad) calc(12px + env(safe-area-inset-bottom));
  background:linear-gradient(180deg,rgba(12,19,17,0),rgba(12,19,17,.86) 34%,var(--ink) 72%);
  pointer-events:none;
}
.fixbar__inner{
  width:100%;
  max-width:var(--col);
  margin:0 auto;
  padding:0 6px;
  pointer-events:auto;
}
.fixbar__btn{ box-shadow:0 1px 0 rgba(255,255,255,.55) inset, 0 14px 32px -12px rgba(247,214,75,.75); }

/* =========================================================
   모달
   ========================================================= */
.modal{ position:fixed; inset:0; z-index:120; display:grid; place-items:center; padding:20px; }
.modal[hidden]{ display:none; }
.modal__backdrop{
  position:absolute; inset:0;
  background:rgba(4,8,7,.76);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  animation:fade .25s ease;
}
@keyframes fade{ from{ opacity:0; } }
.modal__box{
  position:relative;
  width:100%;
  max-width:var(--col);
  max-height:82vh;
  overflow-y:auto;
  -webkit-overflow-scrolling:touch;
  padding:30px 24px 30px;
  border:1px solid var(--line-2);
  border-radius:20px;
  background:linear-gradient(170deg,var(--ink-3),var(--ink));
  box-shadow:0 40px 90px -30px rgba(0,0,0,.9);
  animation:rise .32s cubic-bezier(.2,.7,.3,1);
}
@keyframes rise{ from{ opacity:0; transform:translateY(16px); } }
.modal__close{
  position:absolute; top:14px; right:14px;
  width:34px; height:34px;
  display:grid; place-items:center;
  border:1px solid var(--line-2);
  border-radius:50%;
  background:transparent;
  color:var(--hanji-d);
  cursor:pointer;
  transition:.2s;
}
.modal__close:hover{ color:#fff; border-color:var(--celadon); }
.modal__title{
  font-family:var(--f-disp);
  font-size:21px;
  letter-spacing:-.02em;
  padding-right:40px;
  margin-bottom:6px;
}
.modal__title::after{
  content:""; display:block; width:38px; height:2px; margin-top:12px;
  background:linear-gradient(90deg,var(--celadon),var(--ochre));
}
.modal__body{ margin-top:16px; font-size:13px; line-height:1.9; color:var(--hanji-d); }
.modal__body h4{
  margin:20px 0 7px;
  font-family:var(--f-body);
  font-size:13.5px;
  font-weight:700;
  color:var(--hanji);
}
.modal__body p{ margin-bottom:10px; }
.modal__body ul{ margin:0 0 12px; padding-left:0; }
.modal__body li{
  position:relative;
  padding-left:15px;
  margin-bottom:5px;
}
.modal__body li::before{
  content:""; position:absolute; left:0; top:11px;
  width:4px; height:4px; border-radius:50%;
  background:var(--celadon);
}
.modal__body strong{ color:var(--hanji); }

/* =========================================================
   등장 애니메이션
   ========================================================= */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .7s ease var(--d,0s), transform .7s cubic-bezier(.2,.7,.3,1) var(--d,0s);
}
.reveal.is-in{ opacity:1; transform:none; }

/* =========================================================
   반응형 — 모바일 촘촘하게
   ========================================================= */
@media (max-width:420px){
  :root{ --pad:18px; --bar:78px; }
  body{ font-size:14px; }
  .sec{ padding-top:42px; }
  .scope{ margin-top:16px; }
  .scope__chip--coin{ width:36%; left:0; }
  .hero__text{ margin-top:18px; }
  .hero__text .btn{ margin-top:20px; }
  .lede{ margin-top:13px; font-size:14px; line-height:1.75; }
  .h2--c{ font-size:22px; }
  .alt{ padding-bottom:14px; margin-bottom:18px; }
  .art{ margin-bottom:16px; }
  .card{ padding:15px 13px; }
  .card__ico{ width:32px; height:32px; margin-bottom:9px; border-radius:9px; font-size:13px; }
  .card h3{ font-size:14.5px; }
  .card p{ font-size:12px; }
  .card--wide{ padding:18px 16px; }
  .card--wide h3{ font-size:16.5px; }
  .card--wide p{ font-size:13px; }
  .quote{ margin:20px 0; padding:17px 16px 17px 18px; }
  .quote p{ font-size:15px; }
  .final{ margin-top:30px; padding:28px 16px 24px; }
  .marq{ margin-top:24px; }
  .foot{ margin-top:40px; padding-top:28px; }
  .biz dt{ flex:0 0 78px; }
  .modal__box{ padding:26px 20px; }
}

@media (max-width:360px){
  :root{ --pad:15px; }
  .brand__type{ font-size:15px; }
  .btn{ font-size:14.5px; }
  .btn--xl{ font-size:15px; padding:16px 14px; }
  .perks li{ font-size:10.5px; padding:11px 5px; }
  .checks li{ font-size:11.5px; padding:13px 11px; }
  .biz > div{ flex-direction:column; gap:2px; }
  .biz dt{ flex:none; }
}

/* PC — 컬럼은 그대로, 여백만 확보 */
@media (min-width:560px){
  :root{ --pad:34px; }
  .hero__bar{ padding-top:28px; }
  .sec{ padding-top:70px; }
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{ opacity:1; transform:none; }
}