@charset "utf-8";

/* About is intentionally independent of the other prototype pages. */
* { box-sizing: border-box; }
html { background: #fff; }
body { margin: 0; background: #fff; color: rgba(0, 0, 0, .85); font-family: Consolas, "Malgun Gothic", monospace; font-size: 13px; line-height: 1.5; }
a { color: inherit; }
:focus-visible { outline: 2px solid #111; outline-offset: 4px; }
.skip-link { position: fixed; top: -70px; left: 12px; z-index: 20; padding: 10px; background: #111; color: #fff; }
.skip-link:focus { top: 10px; }

.site-header { position: fixed; z-index: 5; top: 0; left: 0; width: 100vw; height: 165px; pointer-events: none; background: linear-gradient(180deg,rgba(128,128,128,.15),rgba(128,128,128,.05) 45%,rgba(128,128,128,0)), linear-gradient(180deg,rgba(255,255,255,.98),rgba(255,255,255,.97) 55%,rgba(255,255,255,0)); }
.brand { position: absolute; left: 50%; top: -7px; width: 108px; height: 80px; transform: translateX(-50%); pointer-events: auto; }
.brand img { display: block; width: 100%; height: 100%; object-fit: contain; }
.main-nav { position: absolute; left: 50%; top: 75px; display: flex; justify-content: center; gap: 28px; transform: translateX(-50%); white-space: nowrap; pointer-events: auto; }
.main-nav a { color: #202020; text-decoration: none; font: 13px Arial, "Malgun Gothic", sans-serif; }
.main-nav a:hover, .main-nav a:focus-visible { color: #000; text-decoration: underline; }

.about-page { width: min(85.6%, calc(100% - 208px)); max-width: 2200px; margin: 0 auto; padding: 179px 0 120px; }
.headline { overflow: hidden; border-top: 1px solid #777; border-bottom: 1px solid #777; }
.headline-track { display: flex; width: max-content; animation: marquee 28s linear infinite; }
.headline h1, .headline-copy { flex: none; margin: 0; padding: 0 .9em 0 0; font-size: clamp(24px, 2.13vw, 48px); font-weight: 700; line-height: 1.18; letter-spacing: -.035em; white-space: nowrap; }
@keyframes marquee { to { transform: translateX(-50%); } }

.intro { padding: 61px 0 76px; text-align: center; border-bottom: 1px solid #777; }
.intro h2 { margin: 0 0 47px; font-size: clamp(18px, 1.55vw, 35px); line-height: 1.2; letter-spacing: -.045em; }
.intro-copy { max-width: 1400px; margin: 0 auto; font-size: clamp(11px, .72vw, 16px); line-height: 1.5; }
.intro-copy p { margin: 0; }
.intro-copy .divider { margin: 7px 0; }

.missions { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: max(74px, 6.2%); padding: 26px 0 56px; border-bottom: 1px solid #777; }
.mission { min-width: 0; }
.mission-image { width: 100%; height: auto; aspect-ratio: 1; display: block; object-fit: contain; }
.mission-image[hidden] { display: none; }
.mission h3 { display: flex; justify-content: center; align-items: start; min-height: 2.45em; margin: 0 0 16px; text-align: center; font-size: clamp(19px, 1.44vw, 32px); font-weight: 700; line-height: 1.14; letter-spacing: -.055em; }
.mission p { margin: 0 0 17px; font-size: clamp(11px, .72vw, 16px); line-height: 1.48; }

.members { padding: 73px 0 0; }
.members h2 { margin: 0; padding: 0 0 4px; border-bottom: 1px solid #777; font-size: clamp(12px, .85vw, 15px); line-height: 1.5; }
.member-list { margin: 0; padding: 0; list-style: none; }
.member { display: grid; grid-template-columns: max-content max-content 1fr; column-gap: 6ch; white-space: nowrap; align-items: baseline; min-height: 30px; padding: 7px 0; border-bottom: 1px solid #777; font-size: clamp(12px, .85vw, 15px); line-height: 1.4; }
.member > :nth-child(1) { min-width: 17ch; } .member > :nth-child(2) { min-width: 20ch; }
.member strong { font-weight: 700; }

.site-legal { position: fixed; z-index: 4; bottom: 0; left: 0; right: 0; overflow: hidden; padding: 6px 0; pointer-events: none; color: #454545; font-size: 9px; line-height: 1; white-space: nowrap; }
.legal-track { display: flex; width: max-content; animation: marquee 38s linear infinite; }
.legal-copy { display: flex; gap: 34px; flex: none; padding: 0 55px; }
.legal-copy a { pointer-events: auto; }

@media (max-width: 700px) {
  .about-page { width: 88%; padding: 175px 0 100px; }
  .headline h1, .headline-copy { font-size: 24px; }
  .intro { padding: 46px 0 56px; }
  .intro h2 { margin-bottom: 36px; font-size: 18px; }
  .intro-copy { font-size: 11px; line-height: 1.5; }
  .missions { grid-template-columns: 1fr; gap: 50px; padding: 42px 0 45px; }
  .mission h3 { min-height: 0; margin: 0 0 26px; font-size: 18px; }
  .mission p { margin-bottom: 20px; font-size: 11px; line-height: 1.5; }
  .members { padding-top: 60px; }
  .members h2, .member { font-size: 11px; }
  .member { display: flex; flex-direction: column; align-items: flex-start; gap: 0; padding: 7px 0; }
  .site-legal { font-size: 7px; }
  .legal-copy { gap: 25px; padding: 0 35px; }
}

@media (max-width: 650px) {
  .site-header { height: 160px; background: linear-gradient(180deg,rgba(128,128,128,.15),rgba(128,128,128,.05) 55%,rgba(128,128,128,0)), linear-gradient(180deg,rgba(255,255,255,.98),rgba(255,255,255,.97) 55%,rgba(255,255,255,0)); }
  .brand { top: -14px; }
  .main-nav { top: 72px; gap: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .headline-track, .legal-track { animation: none; }
}
/* 멤버 이메일 호버·복사 효과 (email-fx.js) */
.email-fx { all: unset; display: inline-block; white-space: pre; cursor: pointer; color: inherit; font: inherit; letter-spacing: inherit; transition: color .2s ease; }
.email-fx.is-on { color: #000; font-weight: 600; }
.email-fx.is-done { color: #000; }
.email-fx:focus-visible { outline: 1px solid #111; outline-offset: 3px; }
/* 나선 GIF의 흰 바탕을 페이지 회색에 녹임 */
.mission-image { mix-blend-mode: multiply; background: transparent; }
/* 소개 영문 단 정리: 폭을 줄이고 문장 단위로 블록을 나눈 뒤 줄 길이를 고르게 맞춤 */
.intro-copy p[lang="en"] { max-width: 104ch; margin: 0 auto; line-height: 1.75; text-wrap: balance; }
.intro-copy p:not([lang]) { text-wrap: balance; line-height: 1.75; }
.intro-copy .divider { margin: 14px 0; }

/* ===== Contact·상세와 같은 얇은 사각 틀 구성 ===== */
.about-page { width:min(100% - 48px, 1180px) !important; max-width:none; padding:clamp(210px,15vw,240px) 0 120px !important; }
.a-bar { border:1px solid var(--line,#1c1c1c); }
.a-title { margin:0; display:flex; align-items:center; justify-content:center; min-height:34px; font:400 14px/1 "Source Code Pro",monospace !important; letter-spacing:.12em; }
.a-frame { border:1px solid var(--line,#1c1c1c); }
.a-sub { margin:0; padding:10px; text-align:center; font:400 12px/1.2 "Source Code Pro",monospace !important; letter-spacing:.12em; border-top:1px solid var(--line,#1c1c1c); border-bottom:1px solid var(--line,#1c1c1c) !important; }
.headline { border-top:0 !important; border-bottom:1px solid var(--line,#1c1c1c) !important; padding:14px 0; }
.headline-text, .headline-copy { flex:none; margin:0; padding:0 .9em 0 0; font-size:clamp(22px,2.1vw,40px); font-weight:700; line-height:1.18; letter-spacing:-.035em; white-space:nowrap; }
.intro { border-bottom:0 !important; padding:clamp(40px,6vw,64px) clamp(20px,6vw,60px) clamp(40px,6vw,64px) !important; }
.intro-copy { max-width:760px !important; font-size:14px !important; line-height:1.85 !important; }
.intro-copy p[lang="en"] { color:#5a5a60; font-size:13px; }
.missions { grid-template-columns:repeat(2,minmax(0,1fr)) !important; gap:0 !important; padding:0 !important; border-bottom:0 !important; }
.mission { padding:clamp(24px,3.5vw,48px); }
.mission:nth-child(2n) { border-left:1px solid var(--line,#1c1c1c); }
.mission:nth-child(n+3) { border-top:1px solid var(--line,#1c1c1c); }
.mission-image { max-width:360px; margin:0 auto 8px; }
.mission p { font-size:13px !important; line-height:1.75 !important; }
.mission p[lang="en"] { color:#5a5a60; font-size:12px !important; }
.members { padding:0 !important; }
.members .a-sub { border-top:1px solid var(--line,#1c1c1c); }
.member-list { padding:0 clamp(20px,4vw,40px); }
.member { border-bottom:1px solid rgba(0,0,0,.25) !important; padding:12px 0 !important; }
.member:last-child { border-bottom:0 !important; }
html[data-theme="black"] .member { border-bottom-color:rgba(255,255,255,.18) !important; }
html[data-theme="black"] .intro-copy p[lang="en"], html[data-theme="black"] .mission p[lang="en"] { color:#9a9aa0; }
@media (max-width:600px) {
  .about-page { width:calc(100% - 28px) !important; padding-top:180px !important; }
  .missions { grid-template-columns:1fr !important; }
  .mission:nth-child(2n) { border-left:0; }
  .mission + .mission { border-top:1px solid var(--line,#1c1c1c); }
  .member-list { padding:0 16px; }
  .member { white-space:normal !important; }
}
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }