@charset "utf-8";
/* ==========================================================================
   728 PRODUCTION Design System — 03. Layout & Frame
   --------------------------------------------------------------------------
   [Primitives]  container · section · grid · split · stack · cluster · toolbar · bento
   [Frame]       topbar · site-header(GNB) · drawer · page-hero · site-footer · to-top
   ========================================================================== */

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: calc(var(--container-narrow) + var(--gutter) * 2); }
.container--wide { max-width: calc(var(--container-wide) + var(--gutter) * 2); }

/* ---------- Section (세로 리듬) ---------- */
.section {
  position: relative;
  padding-block: var(--section-y);
}
.section--tight { padding-block: calc(var(--section-y) * .6); }
.section--flush-top { padding-top: 0; }
.section--line { border-top: var(--bw-3) solid var(--ink-900); }
.section--alt { background-color: var(--c-bg-alt); }

/* ---------- Grid ---------- */
.grid {
  display: grid;
  gap: var(--gap, var(--grid-gap));
  grid-template-columns: repeat(var(--cols, 1), minmax(0, 1fr));
}
.grid--2 { --cols: 2; }
.grid--3 { --cols: 3; }
.grid--4 { --cols: 4; }
.grid--auto { grid-template-columns: repeat(auto-fill, minmax(min(var(--min, 260px), 100%), 1fr)); }

@media (max-width: 1023px) { .grid--4 { --cols: 3; } }
@media (max-width: 860px) { .grid--3, .grid--4 { --cols: 2; } }
@media (max-width: 560px) {
  .grid--2, .grid--3 { --cols: 1; }
  .grid--4 { --cols: 2; --gap: var(--sp-3); }
}

/* ---------- Split (2단) ---------- */
.split {
  display: grid;
  grid-template-columns: var(--split, minmax(0, 1fr) minmax(0, 1fr));
  gap: var(--split-gap, clamp(2rem, 5vw, 5rem));
  align-items: var(--split-align, start);
}
.split--4-8 { --split: minmax(0, 4fr) minmax(0, 8fr); }
.split--5-7 { --split: minmax(0, 5fr) minmax(0, 7fr); }
.split--7-5 { --split: minmax(0, 7fr) minmax(0, 5fr); }
.split--center { --split-align: center; }
@media (max-width: 900px) { .split { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Stack / Cluster ---------- */
.stack { display: flex; flex-direction: column; gap: var(--gap, var(--sp-4)); }
.cluster { display: flex; flex-wrap: wrap; align-items: center; gap: var(--gap, var(--sp-3)); }
.cluster--between { justify-content: space-between; }
.cluster--center { justify-content: center; }

/* ---------- Toolbar (목록 상단 필터 바) ---------- */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-bottom: var(--sp-8);
  padding-bottom: var(--sp-6);
  border-bottom: var(--bw-2) dashed var(--c-line-soft);
}
.toolbar__start, .toolbar__end { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-3); }
.toolbar__count { font-family: var(--font-mono); font-size: var(--fs-body-sm); color: var(--c-fg-muted); }
.toolbar__count strong { color: var(--c-fg); font-size: 1.25em; }

/* ---------- Bento (피처 3칸) ---------- */
.bento {
  display: grid;
  gap: var(--grid-gap);
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  grid-template-rows: auto auto;
}
.bento > :first-child { grid-row: span 2; }
@media (max-width: 860px) {
  .bento { grid-template-columns: minmax(0, 1fr); }
  .bento > :first-child { grid-row: auto; }
}

/* ==========================================================================
   FRAME · Topbar (ON AIR 티커)
   ========================================================================== */
.topbar {
  position: relative;
  z-index: calc(var(--z-header) + 1);
  height: var(--topbar-h);
  border-bottom: var(--bw-2) solid var(--ink-900);
  font-size: var(--fs-caption);
  overflow: hidden;
}
.topbar__inner { display: flex; align-items: center; height: 100%; }
.topbar__label {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  height: 100%;
  padding-inline: var(--gutter) var(--sp-4);
  background: var(--c-live);
  color: var(--white);
  font-family: var(--font-mono);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wide);
}
.topbar__label--notice { background: var(--pink-500); color: var(--ink-900); }
.topbar__label .ico { font-size: .9em; }
.topbar .marquee { flex: 1; }

/* ==========================================================================
   FRAME · Header / GNB
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: color-mix(in srgb, var(--paper-100) 92%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: var(--bw-2) solid var(--ink-900);
  transition: box-shadow var(--dur-2) var(--ease-out);
}
.site-header.is-scrolled { box-shadow: 0 4px 0 0 rgb(21 16 31 / .06); }

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  height: var(--header-h);
}

/* Logo */
.logo {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  flex: none;
  color: var(--c-fg);
  font-family: var(--font-display);
  font-synthesis: none;
  line-height: 1;
}
.logo__mark {
  display: inline-grid;
  place-items: center;
  height: 2.3rem;
  padding: 0 .55rem;
  background: var(--pink-500);
  color: var(--ink-900);
  border: var(--bw-2) solid var(--ink-900);
  border-radius: var(--r-sm);
  box-shadow: var(--sh-1) var(--ink-900);
  font-size: 1.3rem;
  letter-spacing: .02em;
  transform: rotate(-5deg);
  transition: transform var(--dur-3) var(--ease-pop);
}
.logo:hover .logo__mark { transform: rotate(4deg) scale(1.06); }
.logo__type {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  font-size: .95rem;
  letter-spacing: .14em;
}
.logo__type small {
  font-family: var(--font-mono);
  font-size: .55rem;
  font-weight: var(--fw-bold);
  letter-spacing: .3em;
  color: var(--c-fg-subtle);
}
.logo--lg .logo__mark { height: 3.4rem; padding: 0 .8rem; font-size: 2rem; border-width: var(--bw-3); box-shadow: var(--sh-2) var(--c-shadow); }
.logo--lg .logo__type { font-size: 1.35rem; }
[data-theme="dark"] .logo__mark { border-color: var(--white); }

/* GNB */
.gnb { margin-left: auto; }
.gnb__list { display: flex; gap: clamp(.75rem, 1.8vw, 2rem); }
.gnb__link {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: .6rem .2rem;
  line-height: 1;
}
.gnb__en {
  font-family: var(--font-display);
  font-synthesis: none;
  font-size: .92rem;
  letter-spacing: .05em;
  transition: color var(--dur-2);
}
.gnb__jp {
  margin-top: .4rem;
  font-size: .625rem;
  font-weight: var(--fw-bold);
  letter-spacing: .12em;
  color: var(--c-fg-subtle);
}
.gnb__link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -.55rem;
  width: 10px;
  height: 10px;
  background: var(--c-primary);
  border: var(--bw-2) solid var(--ink-900);
  transform: translateX(-50%) rotate(45deg) scale(0);
  transition: transform var(--dur-2) var(--ease-pop);
}
.gnb__link:hover .gnb__en,
.gnb__link[aria-current="page"] .gnb__en { color: var(--c-primary-strong); }
.gnb__link:hover::after,
.gnb__link[aria-current="page"]::after { transform: translateX(-50%) rotate(45deg) scale(1); }

.site-header__util { display: flex; align-items: center; gap: var(--sp-3); }

/* Menu button (햄버거) */
.menu-btn {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  flex: none;
  background: var(--c-surface);
  border: var(--bw-2) solid var(--ink-900);
  border-radius: 50%;
  box-shadow: var(--sh-1) var(--ink-900);
  color: var(--ink-900);
  transition: transform var(--dur-2) var(--ease-out), box-shadow var(--dur-2) var(--ease-out), background var(--dur-2);
}
.menu-btn:hover { background: var(--c-accent); transform: translate(-1px, -1px); box-shadow: 4px 4px 0 var(--ink-900); }
.menu-btn__bars { position: relative; width: 18px; height: 12px; }
.menu-btn__bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2.5px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--dur-3) var(--ease-out), opacity var(--dur-2), width var(--dur-2);
}
.menu-btn__bars span:nth-child(1) { top: 0; }
.menu-btn__bars span:nth-child(2) { top: 50%; margin-top: -1.25px; width: 70%; }
.menu-btn__bars span:nth-child(3) { bottom: 0; }
.menu-btn:hover .menu-btn__bars span:nth-child(2) { width: 100%; }
.menu-btn.is-close .menu-btn__bars span:nth-child(1) { transform: translateY(4.75px) rotate(45deg); }
.menu-btn.is-close .menu-btn__bars span:nth-child(2) { opacity: 0; }
.menu-btn.is-close .menu-btn__bars span:nth-child(3) { transform: translateY(-4.75px) rotate(-45deg); }

@media (max-width: 1180px) {
  .gnb { display: none; }
  .site-header__util { margin-left: auto; }
}
@media (max-width: 640px) {
  .site-header__util .lang,
  .site-header__util .btn { display: none; }
  .logo__type { font-size: .8rem; }
  .logo__mark { height: 2rem; font-size: 1.1rem; }
}

/* ==========================================================================
   FRAME · Drawer (전체 메뉴)
   ========================================================================== */
.drawer {
  position: fixed;
  inset: 0;
  z-index: var(--z-drawer);
  visibility: hidden;
  transition: visibility 0s linear var(--dur-3);
}
.drawer.is-open { visibility: visible; transition-delay: 0s; }
.drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgb(21 16 31 / .55);
  opacity: 0;
  transition: opacity var(--dur-3) var(--ease-out);
}
.drawer.is-open .drawer__backdrop { opacity: 1; }
.drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  width: min(580px, 100%);
  height: 100%;
  overflow-y: auto;
  border-left: var(--bw-3) solid var(--ink-900);
  transform: translateX(102%);
  transition: transform var(--dur-3) var(--ease-out);
}
.drawer.is-open .drawer__panel { transform: none; }
.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: none;
  height: var(--header-h);
  padding-inline: var(--gutter);
  border-bottom: var(--bw-2) solid var(--ink-900);
  background: var(--c-bg);
}
.drawer__nav { flex: 1; padding: var(--sp-6) var(--gutter) var(--sp-10); }
.drawer__link {
  display: flex;
  align-items: baseline;
  gap: var(--sp-4);
  padding: var(--sp-3) 0;
  border-bottom: var(--bw-2) dashed rgb(21 16 31 / .3);
  transition: padding var(--dur-2) var(--ease-out), color var(--dur-2);
}
.drawer__num { font-family: var(--font-mono); font-size: var(--fs-label); font-weight: var(--fw-bold); }
.drawer__en {
  font-family: var(--font-display);
  font-synthesis: none;
  font-size: clamp(2rem, 6.5vw, 2.9rem);
  line-height: 1.05;
}
.drawer__jp { margin-left: auto; font-size: var(--fs-body-sm); font-weight: var(--fw-bold); }
.drawer__link:hover,
.drawer__link[aria-current="page"] { padding-left: var(--sp-3); color: var(--white); }
.drawer__link:hover .drawer__en,
.drawer__link[aria-current="page"] .drawer__en { text-shadow: 3px 3px 0 var(--ink-900); }
.drawer__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-6) var(--gutter);
  border-top: var(--bw-2) solid var(--ink-900);
  background: var(--c-bg);
}

/* ==========================================================================
   FRAME · Page Hero (서브 비주얼)
   ========================================================================== */
.page-hero {
  --page-color: var(--c-primary);
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(3rem, 7vw, 6rem) clamp(2.5rem, 5vw, 4.5rem);
  border-bottom: var(--bw-3) solid var(--ink-900);
}
.page-hero__slash {
  position: absolute;
  top: -4px;
  bottom: -4px;
  right: -12%;
  z-index: -1;
  width: 42%;
  background-color: var(--page-color);
  background-image: radial-gradient(rgb(255 255 255 / .35) 1.6px, transparent 2px);
  background-size: 14px 14px;
  border-left: var(--bw-3) solid var(--ink-900);
  transform: skewX(-14deg);
}
.page-hero__giant {
  position: absolute;
  right: -.04em;
  bottom: -.2em;
  z-index: -1;
  font-family: var(--font-display);
  font-synthesis: none;
  font-size: clamp(6rem, 17vw, 16rem);
  line-height: 1;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 2px rgb(21 16 31 / .16);
  pointer-events: none;
  user-select: none;
}
.page-hero__inner { position: relative; }
.page-hero__jp {
  display: inline-block;
  margin-top: var(--sp-8);
  padding: .35em .8em;
  background: var(--ink-900);
  color: var(--white);
  font-family: var(--font-display);
  font-synthesis: none;
  font-size: var(--fs-body-sm);
  letter-spacing: .12em;
  transform: rotate(-2deg);
}
.page-hero__title {
  margin-top: var(--sp-4);
  font-family: var(--font-display);
  font-synthesis: none;
  font-size: var(--fs-display-l);
  line-height: var(--lh-display);
  letter-spacing: -.01em;
  text-shadow: .055em .055em 0 var(--page-color);
}
.page-hero__desc {
  max-width: 34rem;
  margin-top: var(--sp-6);
  color: var(--c-fg-muted);
  font-size: var(--fs-body-lg);
  line-height: var(--lh-relaxed);
}
.page-hero--compact { padding-block: clamp(2rem, 4vw, 3rem); }
.page-hero--compact .page-hero__title { font-size: var(--fs-display-s); }
.page-hero--compact .page-hero__jp { margin-top: var(--sp-5); }

@media (max-width: 767px) {
  .page-hero__slash { width: 30%; right: -14%; }
}

/* ==========================================================================
   FRAME · Footer
   ========================================================================== */
.site-footer {
  position: relative;
  overflow: hidden;
  border-top: var(--bw-3) solid var(--ink-900);
}
.site-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: var(--sp-12);
  padding-block: var(--sp-20) var(--sp-12);
}
.site-footer__slogan {
  margin-top: var(--sp-8);
  font-family: var(--font-display);
  font-synthesis: none;
  font-size: var(--fs-display-s);
  line-height: 1.1;
  color: var(--pink-500);
}
.site-footer__desc { margin-top: var(--sp-4); color: var(--c-fg-muted); line-height: var(--lh-relaxed); }
.site-footer__brand .sns { margin-top: var(--sp-8); }
.site-footer__nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-8); }
.site-footer__heading {
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-3);
  border-bottom: var(--bw-2) solid var(--c-line);
  font-family: var(--font-display);
  font-synthesis: none;
  font-size: var(--fs-body);
  letter-spacing: .08em;
}
.site-footer__col ul { display: grid; gap: var(--sp-3); }
.site-footer__col a { color: var(--c-fg-muted); font-size: var(--fs-body-sm); transition: color var(--dur-2); }
.site-footer__col a:hover { color: var(--pink-300); }
.site-footer__bottom {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--sp-4) var(--sp-8);
  padding-block: var(--sp-8);
  border-top: var(--bw-1) solid var(--c-line-soft);
  font-size: var(--fs-caption);
  color: var(--c-fg-subtle);
}
.site-footer__info { display: flex; flex-wrap: wrap; gap: var(--sp-1) var(--sp-4); }
.site-footer__info span + span::before { content: "|"; margin-right: var(--sp-4); opacity: .4; }
.site-footer__policy { display: flex; gap: var(--sp-5); }
.site-footer__policy a { color: var(--c-fg-muted); font-weight: var(--fw-bold); }
.site-footer__policy a:hover { color: var(--white); }
.site-footer__copy { grid-column: 1 / -1; font-family: var(--font-mono); letter-spacing: .04em; }
.site-footer__giant {
  margin-bottom: -.12em;
  font-family: var(--font-display);
  font-synthesis: none;
  font-size: 15.2vw;
  line-height: .9;
  white-space: nowrap;
  text-align: center;
  color: transparent;
  -webkit-text-stroke: 2px rgb(255 255 255 / .16);
  user-select: none;
}

@media (max-width: 900px) {
  .site-footer__top { grid-template-columns: minmax(0, 1fr); padding-top: var(--sp-16); }
  .site-footer__bottom { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .site-footer__nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer__info span + span::before { display: none; }
  .site-footer__info { flex-direction: column; }
}

/* ---------- To top ---------- */
.to-top {
  position: fixed;
  right: var(--gutter);
  bottom: var(--sp-6);
  z-index: var(--z-sticky);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 2px;
  width: 58px;
  height: 58px;
  background: var(--c-accent);
  color: var(--ink-900);
  border: var(--bw-2) solid var(--ink-900);
  border-radius: 50%;
  box-shadow: var(--sh-1) var(--ink-900);
  font-family: var(--font-mono);
  font-size: .625rem;
  font-weight: var(--fw-bold);
  letter-spacing: .1em;
  opacity: 0;
  transform: translateY(20px) scale(.8);
  pointer-events: none;
  transition: opacity var(--dur-3), transform var(--dur-3) var(--ease-pop), box-shadow var(--dur-2);
}
.to-top.is-show { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { box-shadow: 5px 5px 0 var(--ink-900); transform: translate(-2px, -2px); }
.to-top .ico { font-size: 1.1rem; }