/* SVG 장면 합성 허브 — DESIGN.md 구현. 캐릭터 테마는 [data-char]로 바꾼다. */
:root {
  --bg: #0a1322;
  --surface: #111d31;
  --surface-2: #18273f;
  --fg: #f3ecdd;
  --muted: #9aa6c2;
  --border: rgba(243, 236, 221, .12);
  --gold: #fdd481;
  --gold-hi: #fee4ab;
  --cyan: #7cf9ee;
  --violet: #9d7bbd;
  --adult: #ff4f9a;
  --warn: #e0656b;
  --bg-rgb: 10, 19, 34; --surface-rgb: 17, 29, 49; --deep-rgb: 5, 10, 20;
  --gold-rgb: 253, 212, 129; --cyan-rgb: 124, 249, 238; --violet-rgb: 157, 123, 189;
  --card-top: #1c2d4a; --tile-glow: #243657; --device-a: #2a3a58; --device-b: #151f33;
  --screen: #050a14; --pad: #0e1628; --code-bg: #070d19;
  --tail-1: #fdd481; --tail-2: #fbe3b0; --tail-3: #f3ecdd;

  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s6: 24px; --s8: 32px; --s12: 48px; --s16: 64px; --s24: 96px;
  --display: 'Black Han Sans', 'Pretendard', sans-serif;
  --ui: 'Chakra Petch', 'Pretendard', sans-serif;
  --body: 'Pretendard', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  --cut: 14px;
  --radius: 10px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 400 16px/1.75 var(--body); overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select { font: inherit; color: inherit; }
body.is-gated { overflow: hidden; }
[hidden] { display: none !important; }

/* ── 밤하늘: 디지털 격자 + 데이터 조각 ── */
.sky { position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(1200px 700px at 78% -10%, rgba(var(--gold-rgb), .08), transparent 60%),
              radial-gradient(900px 600px at 0% 110%, rgba(var(--cyan-rgb), .05), transparent 60%), var(--bg); }
.sky__grid { position: absolute; inset: 0; opacity: .5;
  background-image: linear-gradient(rgba(var(--cyan-rgb), .045) 1px, transparent 1px), linear-gradient(90deg, rgba(var(--cyan-rgb), .045) 1px, transparent 1px);
  background-size: 48px 48px; mask-image: linear-gradient(to bottom, transparent, #000 30%, #000 70%, transparent); }
.sky__data span { position: absolute; width: 6px; height: 6px; background: var(--cyan); opacity: 0; animation: data-fall linear infinite; }
@keyframes data-fall { 0% { transform: translateY(-10vh); opacity: 0; } 15% { opacity: .35; } 85% { opacity: .2; } 100% { transform: translateY(110vh); opacity: 0; } }

/* ── 공통 ── */
.eyebrow { margin: 0 0 var(--s2); font: 600 13px/1 var(--ui); letter-spacing: .18em; text-transform: uppercase; color: var(--cyan); }
.section { position: relative; padding: var(--s24) clamp(16px, 5vw, 72px); max-width: 1280px; margin: 0 auto; }
.section__head { max-width: 720px; margin-bottom: var(--s12); }
.section__title { word-break: keep-all; margin: 0; font: 400 clamp(34px, 4.6vw, 44px)/1.15 var(--display); letter-spacing: -.01em; color: var(--gold); }
.section__lede { margin: var(--s4) 0 0; color: var(--muted); }
.h3 { margin: var(--s8) 0 var(--s3); font: 700 15px/1 var(--ui); letter-spacing: .16em; text-transform: uppercase; color: var(--cyan); }
.h3:first-child { margin-top: 0; }

.btn { display: inline-flex; align-items: center; gap: var(--s2); padding: 12px 22px; border: 1px solid var(--gold); background: transparent;
  color: var(--gold); font: 700 14px/1 var(--ui); letter-spacing: .08em; text-decoration: none; cursor: pointer;
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut)); transition: background .2s, color .2s, transform .2s; }
.btn:hover, .btn:focus-visible { background: var(--gold); color: var(--bg); outline: none; }
.btn--solid { background: var(--gold); color: var(--bg); }
.btn--solid:hover, .btn--solid:focus-visible { background: var(--gold-hi); }
.btn--ghost { border-color: var(--border); color: var(--fg); }
.btn--ghost:hover, .btn--ghost:focus-visible { border-color: var(--gold); background: transparent; color: var(--gold); }
.btn--adult { border-color: var(--adult); color: var(--adult); }
.btn--adult:hover, .btn--adult:focus-visible { background: var(--adult); color: var(--bg); }
.paw { width: 18px; height: 18px; }

/* ── 여우 꼬리 구분선 ── */
.tail-divider { display: block; width: min(1200px, 92vw); height: 56px; margin: 0 auto; opacity: .85; }
.tail-divider--flip { transform: scaleX(-1); }

/* ── 네비 ── */
.topnav { position: fixed; top: 0; left: 0; right: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between;
  padding: 12px clamp(16px, 4vw, 48px); background: rgba(var(--surface-rgb), .82); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.topnav__brand { display: flex; align-items: center; gap: 10px; font: 700 18px/1 var(--ui); letter-spacing: .2em; text-decoration: none; color: var(--gold); }
.topnav__mark { width: 26px; height: 26px; color: var(--violet); }
.topnav__links { display: flex; align-items: center; gap: var(--s6); }
.topnav__links a { font-size: 15px; text-decoration: none; color: var(--muted); border-bottom: 1px solid transparent; padding-bottom: 2px; }
.topnav__links a:hover, .topnav__links a.is-active { color: var(--fg); border-color: var(--gold); }
.topnav__mode { border: 1px solid var(--border); background: transparent; padding: 4px 10px; font: 700 12px/1 var(--ui); letter-spacing: .12em; color: var(--muted); cursor: pointer; }
.topnav__mode.is-adult { border-color: var(--adult); color: var(--adult); }
.topnav__toggle { display: none; background: none; border: 0; padding: 6px; cursor: pointer; }
.topnav__toggle span { display: block; width: 22px; height: 2px; margin: 5px 0; background: var(--fg); }

/* ── 히어로 ── */
.hero { min-height: 100svh; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); align-items: center; gap: clamp(24px, 4vw, 64px);
  padding: 96px clamp(16px, 5vw, 72px) var(--s12); max-width: 1280px; margin: 0 auto; }
.hero__stage { position: relative; aspect-ratio: 1; border-radius: 18px; overflow: hidden; border: 1px solid var(--border);
  box-shadow: 0 0 0 1px rgba(var(--gold-rgb), .12), 0 30px 80px -30px rgba(var(--cyan-rgb), .25); background: var(--surface); }
.hero__scene { width: 100%; height: 100%; object-fit: cover; }
.hero__shards { position: absolute; inset: 0; pointer-events: none; }
.hero__shards i { position: absolute; top: -8%; width: 10px; height: 34px; background: linear-gradient(var(--cyan), rgba(var(--cyan-rgb), 0));
  clip-path: polygon(50% 0, 100% 40%, 50% 100%, 0 40%); opacity: 0; animation: shard 6s linear infinite; }
@keyframes shard { 0% { transform: translateY(0) rotate(12deg); opacity: 0; } 12% { opacity: .9; } 100% { transform: translateY(120vh) rotate(40deg); opacity: 0; } }
.hero__title { margin: 0; font: 400 clamp(64px, 9vw, 96px)/1 var(--display); color: var(--gold); letter-spacing: -.01em; }
.hero__en { display: block; margin-top: var(--s3); font: 700 clamp(15px, 1.6vw, 18px)/1 var(--ui); letter-spacing: .5em; color: var(--muted); }
.hero__lede { margin: var(--s6) 0 var(--s8); font-size: 18px; color: var(--fg); max-width: 34ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--s3); }
.hero__facts { display: grid; grid-template-columns: repeat(4, auto); justify-content: start; gap: var(--s2) var(--s8); margin: var(--s12) 0 0; }
.hero__facts dt { font: 600 12px/1 var(--ui); letter-spacing: .14em; color: var(--violet); text-transform: uppercase; }
.hero__facts dd { margin: 6px 0 0; font: 700 17px/1.2 var(--ui); color: var(--fg); }

/* ── 프로필: 디지몬 카드 ── */
.profile__layout { display: grid; grid-template-columns: minmax(280px, 400px) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); align-items: start; }
.dcard { position: relative; padding: 14px; background: linear-gradient(160deg, var(--card-top), var(--surface) 55%); border: 2px solid var(--gold);
  clip-path: polygon(26px 0, 100% 0, 100% 100%, 0 100%, 0 26px); }
.dcard::before { content: ''; position: absolute; inset: 6px; border: 1px solid rgba(var(--gold-rgb), .35); clip-path: inherit; pointer-events: none; }
.dcard__band { display: flex; justify-content: space-between; align-items: baseline; padding: 6px 12px 10px 28px; }
.dcard__name { font: 400 28px/1 var(--display); color: var(--gold); }
.dcard__en { font: 700 12px/1 var(--ui); letter-spacing: .3em; color: var(--muted); }
.dcard__art { aspect-ratio: 1; border: 1px solid var(--border); overflow: hidden; background: var(--surface-2); }
.dcard__art img { width: 100%; height: 100%; object-fit: cover; }
.dcard__outfits { display: flex; gap: 6px; margin: 10px 0; }
.dcard__outfits button { flex: 1; padding: 8px; border: 1px solid var(--border); background: var(--surface-2); font: 600 13px/1 var(--ui); letter-spacing: .06em; color: var(--muted); cursor: pointer; }
.dcard__outfits button[aria-pressed="true"] { border-color: var(--gold); color: var(--gold); }
.dcard__outfits button:disabled { opacity: .4; cursor: not-allowed; }
.dcard__stats { width: 100%; border-collapse: collapse; }
.dcard__stats th { width: 34%; padding: 8px 10px; text-align: left; font: 600 12px/1 var(--ui); letter-spacing: .14em; color: var(--violet); border-top: 1px solid var(--border); }
.dcard__stats td { padding: 8px 10px; font: 700 15px/1.3 var(--ui); border-top: 1px solid var(--border); }
.traits { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.traits li { position: relative; padding-left: 22px; }
.traits li::before { content: ''; position: absolute; left: 0; top: .68em; width: 10px; height: 10px; background: var(--gold); clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }
.traits li.is-gap::before { background: var(--adult); }
.type-line { margin: var(--s4) 0 0; font: 600 14px/1.4 var(--ui); letter-spacing: .08em; color: var(--violet); }
.skills { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s3); }
.skill { display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: var(--s3); align-items: center; padding: 10px; background: var(--surface); border: 1px solid var(--border); }
.skill img { width: 76px; height: 76px; object-fit: cover; border: 1px solid var(--border); }
.skill b { display: block; font: 700 13px/1 var(--ui); letter-spacing: .14em; color: var(--cyan); margin-bottom: 4px; }
.skill p { margin: 0; font-size: 14px; line-height: 1.55; color: var(--muted); }
.skill--plain { grid-template-columns: minmax(0, 1fr); grid-column: 1 / -1; }
.skills__note { grid-column: 1 / -1; margin: 0; font-size: 14px; line-height: 1.65; color: var(--muted); }

/* ── 디지바이스 ── */
.device { width: 100%; }
.device__bezel { position: relative; padding: 22px 22px 18px; border-radius: 38px 38px 46px 46px; background: linear-gradient(170deg, var(--device-a), var(--device-b) 60%);
  border: 1px solid rgba(var(--cyan-rgb), .25); box-shadow: inset 0 2px 0 rgba(255, 255, 255, .06), 0 24px 60px -24px rgba(var(--cyan-rgb), .35); }
.device__led { position: absolute; top: 10px; right: 30px; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); animation: led 2.4s ease-in-out infinite; }
@keyframes led { 50% { opacity: .35; } }
.device__screen { position: relative; aspect-ratio: 1; border-radius: 14px; overflow: hidden; background: var(--screen); border: 2px solid var(--screen);
  box-shadow: 0 0 0 1px rgba(var(--cyan-rgb), .35), 0 0 24px rgba(var(--cyan-rgb), .18); }
.device__screen::after { content: ''; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgba(var(--cyan-rgb), .05) 0 1px, transparent 1px 3px); }
.device__screen img { width: 100%; height: 100%; object-fit: cover; }
.device__loading { position: absolute; inset: auto 12px 12px auto; padding: 4px 10px; font: 700 12px/1 var(--ui); letter-spacing: .14em; color: var(--cyan);
  background: rgba(var(--deep-rgb), .75); border: 1px solid rgba(var(--cyan-rgb), .4); opacity: 0; transition: opacity .2s; }
.device__loading.is-on { opacity: 1; }
.device__pad { display: flex; justify-content: center; gap: 18px; margin-top: 16px; }
.device__pad span { width: 30px; height: 30px; border-radius: 50%; background: var(--pad); border: 1px solid rgba(var(--cyan-rgb), .25); box-shadow: inset 0 -3px 0 rgba(0, 0, 0, .35); }
.device__pad span:nth-child(2) { width: 42px; height: 42px; margin-top: -6px; border-color: rgba(var(--gold-rgb), .5); }
.device__serial { margin: 12px 0 0; text-align: center; font: 600 11px/1 var(--ui); letter-spacing: .3em; color: var(--muted); }

/* ── 성인 인증 ── */
.gate { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; padding: 16px; background: rgba(var(--deep-rgb), .9); backdrop-filter: blur(8px); }
.gate[hidden] { display: none; }
.device--gate { max-width: 420px; }
.gate__screen { aspect-ratio: auto; min-height: 250px; padding: 22px 20px; display: flex; flex-direction: column; justify-content: flex-end; }
.gate__boot { font: 600 12px/1.9 var(--ui); letter-spacing: .1em; color: var(--cyan); opacity: .8; }
.gate__boot div { opacity: 0; animation: boot .3s forwards; }
@keyframes boot { to { opacity: 1; } }
.gate__q { margin: 18px 0 6px; font: 400 32px/1.2 var(--display); color: var(--gold); }
.gate__note { margin: 0; font-size: 14px; line-height: 1.6; color: var(--muted); }
.gate__buttons { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.gate__buttons .btn { flex: 1; justify-content: center; }

/* ── 장면 실험실 ── */
.lab__layout { display: grid; grid-template-columns: minmax(280px, 520px) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.lab__panel { display: grid; gap: var(--s4); padding: var(--s6); background: var(--surface); border: 1px solid var(--border); }
.field { display: grid; gap: 6px; }
.field__label { font: 600 12px/1 var(--ui); letter-spacing: .14em; color: var(--violet); }
.field__label em { font-style: normal; letter-spacing: 0; color: var(--muted); font-family: var(--body); font-weight: 400; }
.field select, .field input { width: 100%; padding: 11px 12px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; font-size: 15px; }
.field select:focus, .field input:focus { outline: none; border-color: var(--gold); }
.field--inline { display: flex; align-items: center; gap: 10px; }
.field--inline select { width: auto; padding: 8px 10px; }
.seg { display: flex; gap: 6px; }
.seg button { flex: 1; padding: 10px; border: 1px solid var(--border); background: var(--surface-2); font: 600 14px/1 var(--ui); letter-spacing: .04em; color: var(--muted); cursor: pointer; }
.seg button[aria-checked="true"] { border-color: var(--gold); color: var(--gold); }
.seg button.is-adult[aria-checked="true"] { border-color: var(--adult); color: var(--adult); }
.seg button:disabled { opacity: .35; cursor: not-allowed; }
.seg--small button { flex: 0 0 auto; padding: 7px 14px; font-size: 13px; white-space: nowrap; }
.lab__fx { font: 600 13px/1.5 var(--ui); letter-spacing: .06em; color: var(--muted); }
.lab__fx b { color: var(--cyan); }
.lab__adult { display: grid; gap: var(--s4); padding-top: var(--s4); border-top: 1px dashed rgba(255, 79, 154, .35); }
.lab__adult[hidden] { display: none; }
.lab__out { display: grid; gap: var(--s3); }
.lab__out code { display: block; padding: 12px; background: var(--code-bg); border: 1px solid var(--border); font: 500 12.5px/1.6 ui-monospace, Consolas, monospace; color: var(--gold); word-break: break-all; }

/* ── 갤러리 ── */
.gallery__bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s4); margin-bottom: var(--s6); }
.tabs { display: flex; flex-wrap: wrap; gap: 4px; }
.tabs button { padding: 9px 16px; border: 1px solid var(--border); background: transparent; font: 600 14px/1 var(--ui); letter-spacing: .06em; color: var(--muted); cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--surface-2); border-color: var(--gold); color: var(--gold); }
.tabs button.is-adult[aria-selected="true"] { border-color: var(--adult); color: var(--adult); }
.tabs button .n { margin-left: 6px; font-size: 12px; color: var(--violet); }
.gallery__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: var(--s3); }
.tile { position: relative; padding: 0; border: 1px solid var(--border); background: radial-gradient(circle at 50% 38%, var(--tile-glow), var(--surface) 70%);
  cursor: pointer; overflow: hidden; text-align: left; transition: transform .2s, border-color .2s; }
.tile:hover, .tile:focus-visible { transform: translateY(-3px); border-color: var(--gold); outline: none; }
.tile img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.tile__no { position: absolute; top: 6px; left: 6px; padding: 2px 6px; font: 700 11px/1.4 var(--ui); letter-spacing: .08em; background: rgba(var(--bg-rgb), .8); color: var(--violet); border: 1px solid rgba(var(--violet-rgb), .45); }
.tile__label { display: block; padding: 8px 10px; font-size: 13px; line-height: 1.4; min-height: 3.2em; border-top: 1px solid var(--border); background: var(--surface); }
.locked { grid-column: 1 / -1; padding: var(--s12) var(--s6); text-align: center; background: var(--surface); border: 1px dashed rgba(255, 79, 154, .45); }
.locked p { margin: 0 0 var(--s4); color: var(--muted); }

/* ── 지침 ── */
.doc { background: var(--surface); border: 1px solid var(--border); }
.doc__bar { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s4); padding: var(--s4); border-bottom: 1px solid var(--border); }
.doc__count { margin-left: auto; font: 600 13px/1 var(--ui); letter-spacing: .08em; color: var(--muted); }
.doc__body { margin: 0; padding: var(--s6); max-height: 560px; overflow: auto; white-space: pre-wrap; word-break: break-word; font: 400 13.5px/1.75 ui-monospace, Consolas, 'Malgun Gothic', monospace; color: var(--fg); }

/* ── 라이트박스 ── */
.lightbox { position: fixed; inset: 0; z-index: 50; display: none; place-items: center; padding: 16px; }
.lightbox.is-open { display: grid; }
.lightbox__scrim { position: absolute; inset: 0; background: rgba(var(--deep-rgb), .88); }
.lightbox__panel { position: relative; margin: 0; width: min(640px, 100%, calc(100svh - 150px)); background: var(--surface); border: 1px solid var(--border); padding: var(--s4); }
.lightbox__screen { position: relative; aspect-ratio: 1; background: var(--screen); }
.lightbox__screen img { width: 100%; height: 100%; object-fit: cover; }
.lightbox figcaption { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s3); margin-top: var(--s3); }
.lightbox__title { flex: 1 1 100%; font: 700 15px/1.4 var(--ui); color: var(--gold); }
.lightbox__close { position: absolute; top: -14px; right: -14px; width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--border); background: var(--surface-2); cursor: pointer; }

.toast { position: fixed; left: 50%; bottom: 24px; z-index: 70; transform: translate(-50%, 20px); padding: 10px 18px; background: var(--surface-2); border: 1px solid var(--gold);
  font: 600 14px/1 var(--ui); color: var(--gold); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; }
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }
.toast.is-err { border-color: var(--warn); color: var(--warn); }

.footer { padding: var(--s12) var(--s4); text-align: center; font-size: 13px; color: var(--muted); border-top: 1px solid var(--border); }

/* ── 스크롤 리빌 ── */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .28s ease-out, transform .28s ease-out; }
.reveal.is-in { opacity: 1; transform: none; }

/* ── 반응형 ── */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 84px; min-height: auto; }
  .hero__facts { grid-template-columns: repeat(2, auto); }
  .profile__layout, .lab__layout { grid-template-columns: 1fr; }
  .dcard { max-width: 420px; }
}
@media (max-width: 720px) {
  .topnav__toggle { display: block; }
  .topnav__links { position: absolute; top: 100%; left: 0; right: 0; display: none; flex-direction: column; align-items: flex-start; gap: var(--s4);
    padding: var(--s4) var(--s6) var(--s6); background: var(--surface); border-bottom: 1px solid var(--border); }
  .topnav__links.is-open { display: flex; }
  .charswitch { margin-left: var(--s3); }
  .charswitch button { padding-right: 3px; }
  .charswitch__name { display: none; }
  .section { padding: var(--s12) 16px; }
  .skills { grid-template-columns: 1fr; }
  .gallery__grid { grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); }
  .doc__count { margin-left: 0; }
}

/* ── 캐릭터 전환 스위치 ── */
.charswitch { display: flex; gap: 6px; margin: 0 auto 0 var(--s6); }
.charswitch button { display: flex; align-items: center; gap: 8px; padding: 3px 14px 3px 3px; border: 1px solid var(--border); border-radius: 999px;
  background: transparent; font: 600 14px/1 var(--ui); letter-spacing: .06em; color: var(--muted); cursor: pointer; opacity: .72; transition: opacity .2s, border-color .2s, color .2s; }
.charswitch button:hover, .charswitch button:focus-visible { opacity: 1; outline: none; border-color: rgba(var(--gold-rgb), .55); }
.charswitch button[aria-checked="true"] { opacity: 1; border-color: var(--gold); color: var(--gold); }
.charswitch__face { width: 30px; height: 30px; border-radius: 50%; background: var(--surface-2) no-repeat; background-size: 320%; box-shadow: inset 0 0 0 1px var(--border); }
.hero__name { display: block; word-break: keep-all; }
.charswitch__name, .topnav__links a { white-space: nowrap; }
/* 캐릭터가 늘어 좁은 화면에서 이름이 줄바꿈된다 → 초상만 남긴다 */
@media (max-width: 1100px) {
  .charswitch { margin-left: var(--s3); }
  .charswitch button { padding-right: 3px; }
  .charswitch__name { display: none; }
  .topnav__links { gap: var(--s4); }
}
/* 휴대폰: 초상 넷+메뉴 버튼이 한 줄에 들어가게 상표 글자를 숨기고 초상을 줄인다 */
@media (max-width: 480px) {
  .topnav__brand span { display: none; }
  .charswitch { gap: 4px; margin-left: var(--s2); }
  .charswitch__face { width: 28px; height: 28px; }
}

/* 전환 페이드 · 테마 색 전환 */
.hero, main { transition: opacity .2s ease; }
html.is-switching .hero, html.is-switching main { opacity: 0; }
body, .topnav, .sky, .footer { transition: background-color .45s, color .45s, border-color .45s; }
.hero__shards i:nth-child(n+10), .sky__data span:nth-child(n+15) { display: none; }
.sky__data span.is-warm { background: var(--gold); }

/* ── 캐릭터 테마: 란기쿠 (먹빛 밤 · 잿가루 · 금발) ── */
[data-char="rangiku"] {
  --bg: #141116; --surface: #1d1920; --surface-2: #28222c;
  --fg: #f4ece4; --muted: #aca2ab; --border: rgba(244, 236, 228, .12);
  --gold: #f0a452; --gold-hi: #f6c38a; --cyan: #c9cad2; --violet: #b3a3bb;
  --bg-rgb: 20, 17, 22; --surface-rgb: 29, 25, 32; --deep-rgb: 10, 8, 11;
  --gold-rgb: 240, 164, 82; --cyan-rgb: 201, 202, 210; --violet-rgb: 179, 163, 187;
  --card-top: #2c2227; --tile-glow: #372d35; --device-a: #2b2329; --device-b: #151116;
  --screen: #0b090c; --pad: #1a151b; --code-bg: #0e0b0f;
  --tail-1: #f0a452; --tail-2: #d9c2ad; --tail-3: #c9cad2;
  --display: 'Song Myung', 'Pretendard', serif;
  --ui: 'Saira Condensed', 'Pretendard', sans-serif;
}
[data-char="rangiku"] .sky__grid { opacity: 0; }
[data-char="rangiku"] .sky__data span { width: 4px; height: 4px; border-radius: 50%; animation-name: ash-drift; }
[data-char="rangiku"] .sky__data span:nth-child(n+15) { display: block; }
[data-char="rangiku"] .sky__data span.is-warm { width: 3px; height: 3px; }
@keyframes ash-drift { 0% { transform: translate(0, -10vh); opacity: 0; } 15% { opacity: .45; } 85% { opacity: .25; } 100% { transform: translate(-22vw, 110vh); opacity: 0; } }
[data-char="rangiku"] .hero__shards i { width: 8px; height: 8px; border-radius: 50%; clip-path: none;
  background: radial-gradient(circle, rgba(var(--cyan-rgb), .95), rgba(var(--cyan-rgb), 0) 70%); animation-name: ash-swirl; }
[data-char="rangiku"] .hero__shards i:nth-child(n+10) { display: block; }
[data-char="rangiku"] .hero__shards i:nth-child(3n) { width: 4px; height: 4px; }
@keyframes ash-swirl { 0% { transform: translate(0, 0) scale(.6); opacity: 0; } 15% { opacity: .85; } 50% { transform: translate(-90px, 55vh) scale(1); }
  100% { transform: translate(50px, 118vh) scale(.5); opacity: 0; } }
[data-char="rangiku"] .hero__title { letter-spacing: 0; }
[data-char="rangiku"] .section__title, [data-char="rangiku"] .gate__q, [data-char="rangiku"] .dcard__name { letter-spacing: 0; }
[data-char="rangiku"] .device__bezel { border-radius: 14px; border-color: rgba(var(--gold-rgb), .32);
  box-shadow: inset 0 1px 0 rgba(244, 236, 228, .06), inset 0 0 0 6px rgba(var(--bg-rgb), .35), 0 24px 60px -24px rgba(var(--gold-rgb), .22); }
[data-char="rangiku"] .device__screen { border-radius: 6px; }
[data-char="rangiku"] .device__pad span { border-radius: 3px; transform: rotate(45deg); width: 22px; height: 22px; }
[data-char="rangiku"] .device__pad span:nth-child(2) { width: 30px; height: 30px; margin-top: -4px; }
[data-char="rangiku"] .hero__stage { border-radius: 8px; }

/* ── 캐릭터 테마: 빛나 (남청 밤 · 눈송이 · 금빛 머리 장식) ── */
[data-char="bitna"] {
  --bg: #0e1522; --surface: #16202f; --surface-2: #1f2c40;
  --fg: #f6f1ec; --muted: #9fb0c6; --border: rgba(246, 241, 236, .12);
  --gold: #f2c23a; --gold-hi: #f8db7e; --cyan: #7fb2d6; --violet: #e0708a;
  --bg-rgb: 14, 21, 34; --surface-rgb: 22, 32, 47; --deep-rgb: 7, 11, 19;
  --gold-rgb: 242, 194, 58; --cyan-rgb: 127, 178, 214; --violet-rgb: 224, 112, 138;
  --card-top: #22324a; --tile-glow: #2a3d5a; --device-a: #2c3d58; --device-b: #131c2c;
  --screen: #070b13; --pad: #0f1726; --code-bg: #0a1019;
  --tail-1: #f2c23a; --tail-2: #f8db7e; --tail-3: #7fb2d6;
  --display: 'Jua', 'Pretendard', sans-serif;
}
[data-char="bitna"] .sky__grid { opacity: 0; }
[data-char="bitna"] .sky__data span { width: 5px; height: 5px; border-radius: 50%; animation-name: snow-fall; background: var(--fg); }
[data-char="bitna"] .sky__data span:nth-child(n+15) { display: block; }
[data-char="bitna"] .sky__data span.is-warm { width: 4px; height: 4px; background: var(--gold); }
@keyframes snow-fall { 0% { transform: translate(0, -10vh); opacity: 0; } 15% { opacity: .6; } 85% { opacity: .3; } 100% { transform: translate(-8vw, 110vh); opacity: 0; } }
[data-char="bitna"] .hero__shards i { width: 10px; height: 10px; border-radius: 50%; clip-path: none;
  background: radial-gradient(circle, rgba(var(--gold-rgb), .95), rgba(var(--gold-rgb), 0) 70%); animation-name: snow-fall; }
[data-char="bitna"] .hero__shards i:nth-child(n+10) { display: block; }
[data-char="bitna"] .hero__shards i:nth-child(3n) { width: 5px; height: 5px; }
[data-char="bitna"] .hero__title, [data-char="bitna"] .section__title, [data-char="bitna"] .gate__q, [data-char="bitna"] .dcard__name { letter-spacing: 0; }
[data-char="bitna"] .device__bezel { border-radius: 26px; border-color: rgba(var(--gold-rgb), .32);
  box-shadow: inset 0 1px 0 rgba(246, 241, 236, .06), inset 0 0 0 6px rgba(var(--bg-rgb), .35), 0 24px 60px -24px rgba(var(--gold-rgb), .22); }
[data-char="bitna"] .device__screen { border-radius: 14px; }
[data-char="bitna"] .device__pad span { border-radius: 50%; }
[data-char="bitna"] .hero__stage { border-radius: 18px; }

/* ── 캐릭터 테마: 오리히메 (청록 어스름 · 주황 머리칼 · 금빛 방패) ── */
[data-char="orihime"] {
  --bg: #0d1719; --surface: #142225; --surface-2: #1d3135;
  --fg: #f8f0e6; --muted: #9fb6b8; --border: rgba(248, 240, 230, .12);
  --gold: #f08a48; --gold-hi: #f6ad7c; --cyan: #94ced0; --violet: #f6cf8f;
  --bg-rgb: 13, 23, 25; --surface-rgb: 20, 34, 37; --deep-rgb: 6, 12, 13;
  --gold-rgb: 240, 138, 72; --cyan-rgb: 148, 206, 208; --violet-rgb: 246, 207, 143;
  --card-top: #22393c; --tile-glow: #274348; --device-a: #284144; --device-b: #101c1e;
  --screen: #070d0e; --pad: #0f1a1c; --code-bg: #091112;
  --tail-1: #f08a48; --tail-2: #fed88a; --tail-3: #94ced0;
  --display: 'Gaegu', 'Pretendard', sans-serif;
}
[data-char="orihime"] .sky__grid { opacity: 0; }
[data-char="orihime"] .sky__data span { width: 8px; height: 7px; background: var(--violet); clip-path: polygon(50% 0, 100% 100%, 0 100%); animation-name: shield-rise; }
[data-char="orihime"] .sky__data span:nth-child(n+15) { display: block; }
[data-char="orihime"] .sky__data span.is-warm { background: var(--gold); }
@keyframes shield-rise { 0% { transform: translateY(110vh) rotate(0); opacity: 0; } 15% { opacity: .4; } 85% { opacity: .2; } 100% { transform: translateY(-10vh) rotate(60deg); opacity: 0; } }
[data-char="orihime"] .hero__shards i { top: auto; bottom: -8%; width: 14px; height: 12px; clip-path: polygon(50% 0, 100% 100%, 0 100%);
  background: linear-gradient(var(--tail-2), rgba(var(--gold-rgb), .15)); animation-name: shard-rise; }
[data-char="orihime"] .hero__shards i:nth-child(n+10) { display: block; }
[data-char="orihime"] .hero__shards i:nth-child(3n) { width: 8px; height: 7px; }
@keyframes shard-rise { 0% { transform: translateY(0) rotate(-8deg); opacity: 0; } 12% { opacity: .85; } 100% { transform: translateY(-120vh) rotate(52deg); opacity: 0; } }
[data-char="orihime"] .hero__title, [data-char="orihime"] .section__title, [data-char="orihime"] .gate__q, [data-char="orihime"] .dcard__name { font-weight: 700; letter-spacing: 0; }
[data-char="orihime"] .hero__title { font-size: clamp(56px, 7.6vw, 88px); }
[data-char="orihime"] .device__bezel { border-radius: 30px; border-color: rgba(var(--gold-rgb), .34);
  box-shadow: inset 0 1px 0 rgba(248, 240, 230, .06), inset 0 0 0 6px rgba(var(--bg-rgb), .35), 0 24px 60px -24px rgba(var(--violet-rgb), .24); }
[data-char="orihime"] .device__screen { border-radius: 16px; }
[data-char="orihime"] .device__pad span { border-radius: 50% 0 50% 0; transform: rotate(45deg); width: 24px; height: 24px; }
[data-char="orihime"] .device__pad span:nth-child(2) { width: 32px; height: 32px; margin-top: -4px; }
[data-char="orihime"] .hero__stage { border-radius: 22px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .sky__data, .hero__shards { display: none; }
  .hero, main, body, .topnav, .sky, .footer, .charswitch button { transition: none; }
  .device__led { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .gate__boot div { animation: none; opacity: 1; }
  .btn, .tile { transition: none; }
}