/* 정민쌤의 기업성장연구소 — 굵은 장평 좁은 제목 + 가는 둥근 테두리 (패션 룩북 스타일) */
:root {
  --bg: #f1eee9;
  --paper: #f8f6f2;
  --ink: #1c1a18;
  --ink-2: #4b4743;
  --muted: #8a847c;
  --line: #d6d1c9;
  --frame: #a8a198;
  --tile: #e7e3dc;
  --stone: #e5e0d8;
  --mist: #e1e3e3;
  --sage: #e1e2d9;
  --dark: #26231f;
  --r: 14px;
  --r-sm: 10px;
  --pad: clamp(16px, 3.4vw, 48px);
  --max: 1360px;
  --font: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  --font-head: var(--font);
  --font-display: 'Bebas Neue', 'Black Han Sans', var(--font);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font); font-size: 16px; line-height: 1.7; letter-spacing: -0.01em;
  word-break: keep-all; overflow-wrap: anywhere; -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
svg { width: 1em; height: 1em; flex: none; }
h1, h2, h3, .tile-key, .lead, .contact-card strong, .author-name { font-family: var(--font-head); }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.03em; line-height: 1.3; }
p { margin: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--muted); }
.center { text-align: center; margin-top: 32px; }
.right { display: flex; justify-content: flex-end; margin-top: 28px; }

/* 굵은 제목 글꼴 (영문 Bebas Neue + 한글 검은고딕) */
.mega, .page-mega, .sec-head h2, .qa-side h2, .about-title, .cta h2, .post-head h1, .tile-key, .topic h3, .contact-card strong, .steps strong, .faq-group h2, .prepare h2, .menu nav a {
  font-family: var(--font-display); font-weight: 400; letter-spacing: -0.01em;
}
.eyebrow, .en {
  display: block; font-family: var(--font-display); font-size: 15px; font-weight: 400; letter-spacing: .06em; line-height: 1.2; color: var(--muted);
}
.underline {
  display: inline-block; font-size: 13px; font-weight: 500; letter-spacing: .02em;
  border-bottom: 1px solid currentColor; padding-bottom: 2px; transition: opacity .2s;
}
.underline:hover { opacity: .55; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; height: 46px; padding: 0 22px;
  border: 1px solid var(--ink); border-radius: 999px; font-size: 14px; font-weight: 600;
  background: var(--ink); color: var(--paper); transition: background .2s, color .2s;
}
.btn:hover { background: transparent; color: var(--ink); }
.more-link { display: inline-flex; align-items: center; gap: 16px; font-size: 14px; font-weight: 500; }
.long-arrow { position: relative; display: block; width: 52px; height: 1px; background: currentColor; transition: width .3s; }
.long-arrow::after { content: ''; position: absolute; right: 0; top: -4px; width: 9px; height: 9px; border: solid currentColor; border-width: 1px 1px 0 0; transform: rotate(45deg); }
.more-link:hover .long-arrow { width: 68px; }

/* ── Header ── */
.page { max-width: var(--max); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 40;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px;
  height: 72px; padding: 0 var(--pad);
  background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: blur(10px);
}
.brand { display: flex; align-items: center; gap: 10px; justify-self: start; }
.brand-logo { display: block; height: 54px; width: auto; transition: transform .25s; }
.brand:hover .brand-logo { transform: rotate(-1.5deg) scale(1.03); }
.nav { display: flex; gap: 4px; padding: 4px; border: 1px solid var(--frame); border-radius: 999px; }
.nav a { padding: 5px 15px; border-radius: 999px; font-size: 13px; font-weight: 500; color: var(--ink-2); transition: background .2s, color .2s; }
.nav a:hover { color: var(--ink); background: var(--tile); }
.nav a[aria-current] { background: var(--ink); color: var(--paper); }
.header-right { display: flex; align-items: center; justify-content: flex-end; gap: 10px; }
.tools { display: flex; align-items: center; gap: 12px; height: 38px; padding: 0 14px 0 4px; border: 1px solid var(--frame); border-radius: 999px; }
.search { display: flex; align-items: center; width: 190px; height: 28px; padding: 0 6px 0 12px; border-right: 1px solid var(--line); }
.search input { flex: 1; min-width: 0; border: 0; background: none; font: inherit; font-size: 12.5px; color: var(--ink); outline: none; }
.search input::placeholder { color: var(--muted); }
.search button { border: 0; background: none; padding: 4px; cursor: pointer; color: var(--ink); display: flex; font-size: 15px; }
.icon-link { display: flex; font-size: 17px; color: var(--ink); transition: opacity .2s; }
.icon-link:hover { opacity: .5; }
.burger { display: none; width: 40px; height: 40px; border: 1px solid var(--frame); border-radius: 50%; background: none; padding: 0 11px; cursor: pointer; align-content: center; gap: 5px; color: var(--ink); }
.burger span { display: block; height: 1.5px; background: currentColor; transition: transform .25s; }
.menu-open .burger span:first-child { transform: translateY(3.25px) rotate(45deg); }
.menu-open .burger span:last-child { transform: translateY(-3.25px) rotate(-45deg); }

/* 전체 메뉴 */
.menu {
  position: fixed; inset: 72px 0 0; z-index: 39; background: var(--bg);
  padding: 32px var(--pad); display: flex; flex-direction: column; justify-content: space-between; overflow: auto;
}
.menu[hidden] { display: none; }
.menu nav { display: grid; }
.menu nav a {
  display: flex; align-items: baseline; gap: 20px; padding: 12px 0; border-bottom: 1px solid var(--line);
  font-size: clamp(34px, 6vw, 72px); line-height: 1.1;
}
.menu nav a span { font-family: var(--font); font-size: 12px; letter-spacing: .1em; color: var(--muted); width: 24px; }
.menu nav a:hover { color: var(--muted); }
.menu-foot { display: flex; flex-wrap: wrap; gap: 10px; padding-top: 30px; font-size: 13px; color: var(--ink-2); }
.menu-foot a { padding: 6px 14px; border: 1px solid var(--frame); border-radius: 999px; }
.menu-open { overflow: hidden; }

/* ── Sections ── */
main { display: block; }
.section { padding: clamp(72px, 9vw, 128px) var(--pad) 0; }
.section-tight { padding-top: 24px; }
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: clamp(28px, 4vw, 48px); }
.sec-head h2 { font-size: clamp(44px, 6vw, 84px); line-height: .95; }
.sec-aside { display: grid; justify-items: end; gap: 6px; text-align: right; max-width: 260px; padding-bottom: 6px; }
.sec-aside p { font-size: 13px; line-height: 1.5; color: var(--ink-2); }
.sec-aside .underline { margin-top: 6px; }

/* ── Hero ── */
.hero { padding: 8px var(--pad) 0; }
.hero-frame {
  --mega-size: min(calc((100vw - 2 * var(--pad) - 32px) / 5.75), 236px);
  position: relative; overflow: hidden; height: clamp(520px, calc(100vh - 110px), 760px);
  border: 1px solid var(--frame); border-radius: var(--r); background: var(--paper);
}
.mega {
  position: relative; z-index: 1; margin: 0; padding-top: clamp(10px, 1.4vw, 22px);
  font-size: var(--mega-size); line-height: 1; text-align: center; white-space: nowrap; color: var(--ink);
}
.hero-cut {
  position: absolute; z-index: 2; left: 50%; bottom: 0; transform: translateX(-50%);
  height: 90%; width: auto; max-width: none; pointer-events: none;
}
.hero-note { position: absolute; z-index: 3; left: clamp(16px, 2vw, 28px); top: calc(var(--mega-size) + clamp(22px, 2.6vw, 40px)); font-size: 14px; font-weight: 600; line-height: 1.45; }
.hero-tags { position: absolute; z-index: 3; left: clamp(16px, 2vw, 28px); bottom: clamp(16px, 2vw, 28px); display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0; padding: 0; max-width: 32%; }
.hero-tags li { padding: 5px 14px; border: 1px solid var(--frame); border-radius: 999px; background: color-mix(in srgb, var(--paper) 80%, transparent); font-size: 12.5px; font-weight: 500; }
.hero-side { position: absolute; z-index: 3; right: clamp(16px, 2vw, 28px); bottom: clamp(16px, 2vw, 28px); display: grid; justify-items: end; gap: 16px; max-width: 280px; text-align: right; }
.hero-side p { font-size: 13px; line-height: 1.7; color: var(--ink-2); }
.hero-caption { margin-top: 12px; text-align: center; font-family: var(--font-display); font-size: 14px; letter-spacing: .08em; color: var(--muted); }

/* ── Tiles (칼럼 카드) ── */
.tile-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px clamp(10px, 1.4vw, 20px); }
.post-card { display: flex; flex-direction: column; gap: 6px; }
.post-card[hidden] { display: none; }
.tile {
  position: relative; display: flex; flex-direction: column; justify-content: space-between;
  aspect-ratio: 4 / 5; padding: clamp(14px, 1.6vw, 22px); background: var(--paper); overflow: hidden;
  border: 1px solid var(--frame); border-radius: var(--r);
  transition: transform .5s cubic-bezier(.2,.7,.2,1), background .3s;
}
.post-card:hover .tile { transform: translateY(-4px); }
.tile-top { display: flex; justify-content: space-between; font-family: var(--font-display); font-size: 14px; letter-spacing: .06em; color: var(--muted); }
.tile-key { font-size: clamp(30px, 3vw, 44px); line-height: 1.05; max-width: 95%; text-wrap: balance; }
.tile-video { position: absolute; left: clamp(14px, 1.6vw, 22px); top: calc(clamp(14px, 1.6vw, 22px) + 30px); display: flex; align-items: center; gap: 6px; padding: 4px 10px; border: 1px solid var(--frame); border-radius: 999px; font-family: var(--font-display); font-size: 13px; letter-spacing: .06em; }
.tile-arrow { position: absolute; right: clamp(14px, 1.6vw, 22px); top: 50%; font-size: 30px; }
.tone-stone { background: var(--stone); }
.tone-mist { background: var(--mist); }
.tone-sage { background: var(--sage); }
.tone-dark, .tone-ink { background: var(--ink); color: #f1eee9; border-color: var(--ink); }
.tone-dark .tile-top, .tone-ink .tile-top { color: #a9a39b; }
.card-cat { margin-top: 10px; font-size: 12px; font-weight: 600; color: var(--muted); }
.post-card h3 { font-size: 15px; font-weight: 600; line-height: 1.5; letter-spacing: -0.02em; }
.post-card time { font-size: 12px; color: var(--muted); }
.tile.has-img { padding: 0; aspect-ratio: 1; background: var(--paper); }
.tile.has-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.post-card:hover .tile.has-img img { transform: scale(1.03); }
.tile.has-img .tile-video { top: 12px; left: auto; right: 12px; background: color-mix(in srgb, var(--paper) 88%, transparent); }
.more-card .tile { justify-content: flex-end; }
.more-card .tile-top { position: absolute; top: clamp(14px, 1.6vw, 22px); left: clamp(14px, 1.6vw, 22px); right: clamp(14px, 1.6vw, 22px); }
/* 홈: 높낮이를 엇갈리게 */
.card-row { align-items: start; }
.card-row .tile { aspect-ratio: 1; }
.card-row .post-card:nth-child(even) { margin-top: clamp(28px, 5vw, 72px); }

/* ── Q&A ── */
.qa { display: grid; grid-template-columns: minmax(240px, 1fr) 2fr; gap: clamp(24px, 5vw, 80px); align-items: start; }
.qa-side { display: grid; gap: 14px; justify-items: start; position: sticky; top: 100px; }
.qa-side h2 { font-size: clamp(44px, 5.4vw, 76px); line-height: .95; }
.qa-side p { font-size: 13.5px; color: var(--ink-2); max-width: 240px; }
.qa-side .more-link { margin-top: 10px; }
.qa-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.qa-list a {
  display: grid; grid-template-columns: 40px 1fr auto 18px; align-items: center; gap: 14px;
  padding: 18px 22px; border: 1px solid var(--frame); border-radius: var(--r); background: var(--paper);
  transition: background .25s, color .25s;
}
.qa-list a:hover { background: var(--ink); color: var(--paper); }
.qa-list a:hover .num, .qa-list a:hover .cat, .qa-list a:hover svg { color: #a9a39b; }
.qa-list .num { font-family: var(--font-display); font-size: 18px; color: var(--muted); }
.qa-list .q { font-size: 16px; font-weight: 500; }
.qa-list .cat { font-size: 11.5px; color: var(--muted); }
.qa-list svg { font-size: 16px; color: var(--muted); }

/* ── About (home) — 룩북 콜라주 ── */
.about-grid {
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(12px, 2vw, 28px); row-gap: clamp(24px, 3vw, 44px);
  grid-template-areas:
    "lead  lead  lead  lead  lead  lead  lead  .  photo photo photo photo"
    "copy  copy  copy  copy  copy  copy  copy  .  photo photo photo photo"
    "more  more  more  more  more  more  more  .  photo photo photo photo";
  grid-template-rows: auto auto 1fr; align-items: start;
}
/* 접힌 상태: 한 줄 막대, 누르면 펼쳐짐 */
.about-fold { border: 1px solid var(--frame); border-radius: var(--r); background: var(--paper); }
.about-bar { display: flex; align-items: center; gap: clamp(14px, 2vw, 24px); padding: clamp(14px, 1.8vw, 20px) clamp(16px, 2.2vw, 28px); cursor: pointer; list-style: none; }
.about-bar::-webkit-details-marker { display: none; }
.about-avatar { width: clamp(56px, 6vw, 72px); height: clamp(56px, 6vw, 72px); border-radius: 50%; object-fit: cover; object-position: 50% 12%; border: 1px solid var(--frame); background: var(--tile); }
.about-head { display: grid; gap: 4px; flex: 1; min-width: 0; }
.about-title { font-size: clamp(32px, 4vw, 56px); line-height: .95; }
.about-hook { font-size: 13.5px; color: var(--ink-2); line-height: 1.5; }
.about-toggle { display: inline-flex; align-items: center; gap: 10px; padding: 9px 14px 9px 18px; border: 1px solid var(--ink); border-radius: 999px; font-size: 13.5px; font-weight: 600; white-space: nowrap; transition: background .2s, color .2s; }
.about-toggle i { position: relative; width: 12px; height: 12px; }
.about-toggle i::before, .about-toggle i::after { content: ''; position: absolute; inset: 5.5px 0 auto; height: 1.5px; background: currentColor; transition: transform .25s; }
.about-toggle i::after { transform: rotate(90deg); }
.about-fold[open] .about-toggle i::after { transform: rotate(0); }
.about-fold .close-label, .about-fold[open] .open-label { display: none; }
.about-fold[open] .close-label { display: inline; }
.about-bar:hover .about-toggle, .about-fold[open] .about-toggle { background: var(--ink); color: var(--paper); }
.about-fold[open] .about-bar { border-bottom: 1px solid var(--line); }
.about-fold .about-grid { padding: clamp(18px, 2.6vw, 36px) clamp(16px, 2.2vw, 28px); }
.about-fold[open] .about-grid { animation: about-in .35s ease; }
@keyframes about-in { from { opacity: 0; transform: translateY(-6px); } }
.about-lead { grid-area: lead; font-size: clamp(17px, 1.5vw, 21px); letter-spacing: -0.02em; line-height: 1.55; color: var(--ink); font-weight: 600; }
.about-photo { grid-area: photo; margin: 0; align-self: start; overflow: hidden; border: 1px solid var(--frame); border-radius: var(--r); background: var(--tile); aspect-ratio: 4 / 5; }
.about-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 12%; }
.about-copy { grid-area: copy; display: grid; gap: 18px; font-size: 14px; line-height: 1.75; color: var(--ink-2); }
.about-grid > .more-link { grid-area: more; justify-self: start; align-self: end; }
.press-mini { display: grid; border-top: 1px solid var(--line); }
.press-mini a { display: grid; gap: 2px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--ink); line-height: 1.5; }
.press-mini a span { font-size: 11px; color: var(--muted); letter-spacing: .04em; }
.press-mini a:hover { opacity: .6; }

.play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%;
  background: rgba(248, 246, 242, .92); color: var(--ink); font-size: 18px; transition: transform .25s;
}
.play svg { margin-left: 2px; }
.play.big { width: 72px; height: 72px; font-size: 24px; }
a:hover .play { transform: translate(-50%, -50%) scale(1.08); }

/* ── Videos ── */
.video-card { display: flex; flex-direction: column; gap: 6px; }
.video-thumb { position: relative; display: block; overflow: hidden; aspect-ratio: 16 / 9; border: 1px solid var(--frame); border-radius: var(--r); background: var(--tile); }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.video-card:hover .video-thumb img { transform: scale(1.04); }
.is-short .video-thumb { aspect-ratio: 9 / 16; }
.video-title { margin-top: 6px; font-size: 14px; font-weight: 500; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.video-card .meta { font-size: 11.5px; color: var(--muted); }
/* 홈: 가로로 넘기는 영상 줄 (크기가 엇갈리게) */
.video-strip {
  display: flex; align-items: flex-end; gap: clamp(10px, 1.4vw, 20px); overflow-x: auto; scroll-snap-type: x proximity; scroll-padding-inline: var(--pad);
  margin: 0 calc(-1 * var(--pad)); padding: 0 var(--pad) 12px; scrollbar-width: thin; scrollbar-color: var(--frame) transparent;
}
.video-strip .video-card { flex: none; width: clamp(260px, 30vw, 420px); scroll-snap-align: start; }
.video-strip .is-short { width: clamp(150px, 15vw, 220px); }
.video-strip .video-card:nth-child(4n+2):not(.is-short) { width: clamp(220px, 22vw, 320px); }
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px 18px; }
.shorts-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 28px 14px; }
.video-grid + .sec-head, .shorts-grid + .sec-head { margin-top: 80px; }
.section-tight > p:first-child { text-align: center; margin-bottom: 64px; }

/* ── Topics ── */
.topic-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(10px, 1.4vw, 20px); }
.topic { position: relative; display: grid; align-content: start; gap: 8px; min-height: 260px; padding: 22px 22px 64px; border: 1px solid var(--frame); border-radius: var(--r); background: var(--paper); transition: background .25s, color .25s; }
.topic:hover { background: var(--ink); color: var(--paper); }
.topic:hover p, .topic:hover .num, .topic:hover .en { color: #a9a39b; }
.topic .num { font-family: var(--font-display); font-size: 18px; color: var(--muted); }
.topic h3 { font-size: clamp(32px, 3vw, 44px); line-height: 1; margin-top: 28px; }
.topic p { font-size: 13px; color: var(--ink-2); line-height: 1.7; }
.topic > svg { position: absolute; bottom: 22px; right: 22px; font-size: 22px; transition: transform .25s; }
.topic:hover > svg { transform: translateX(4px); }

/* ── CTA ── */
.cta { margin: clamp(80px, 11vw, 150px) var(--pad) 0; padding: clamp(48px, 7vw, 96px) var(--pad); text-align: center; border: 1px solid var(--frame); border-radius: var(--r); background: var(--paper); }
.cta h2 { font-size: clamp(48px, 8vw, 120px); line-height: .95; margin: 14px 0 18px; }
.cta-sub { font-size: 14px; color: var(--ink-2); max-width: 460px; margin: 0 auto; }
.cta-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin: 36px auto 0; }
.cta-links a { display: flex; align-items: center; gap: 10px; height: 50px; padding: 0 22px; border: 1px solid var(--ink); border-radius: 999px; font-size: 15px; font-weight: 600; transition: background .2s, color .2s; }
.cta-links a:first-child, .cta-links a:hover { background: var(--ink); color: var(--paper); }
.cta-links a:first-child:hover { background: transparent; color: var(--ink); }
.cta-links span { font-family: var(--font-display); font-size: 14px; color: var(--muted); }

/* ── Footer ── */
.site-footer { margin-top: clamp(64px, 8vw, 110px); background: var(--dark); color: #d9d4cd; }
.footer-top, .footer-bottom { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.footer-top { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; padding-top: 64px; padding-bottom: 64px; }
.footer-logo { display: block; width: 168px; height: auto; margin-bottom: 26px; padding: 14px 16px; border-radius: var(--r); background: var(--paper); }
.footer-cta .label { font-size: 12.5px; color: #b3ada5; max-width: 340px; line-height: 1.7; }
.line-input { display: flex; align-items: center; justify-content: space-between; max-width: 440px; margin-top: 22px; padding: 12px 20px; border: 1px solid #6f6a64; border-radius: 999px; font-size: 14px; color: #f3f0eb; }
.line-input:hover { border-color: #f3f0eb; }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr) auto; gap: 24px; font-size: 12.5px; }
.footer-cols > div { display: grid; align-content: start; gap: 10px; }
.footer-cols a:hover { color: #fff; }
.footer-cols .socials { display: flex; gap: 14px; font-size: 18px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 18px; padding-bottom: 22px; font-size: 11px; letter-spacing: .03em; color: #9a948c; border-top: 1px solid #4a4540; }

/* ── Page head ── */
.page-head { padding: clamp(28px, 4vw, 56px) var(--pad) 0; text-align: center; }
.page-mega { font-size: clamp(64px, 12vw, 180px); line-height: .95; margin: 10px 0 22px; }
.page-intro { max-width: 520px; margin: 0 auto; font-size: 14px; color: var(--ink-2); }
.filters { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin: 8px 0 48px; }
.filters a { padding: 6px 16px; border: 1px solid var(--frame); border-radius: 999px; font-size: 13px; font-weight: 500; color: var(--ink-2); transition: background .2s, color .2s; }
.filters a:hover { color: var(--ink); background: var(--tile); }
.filters a[aria-current] { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.search-result { text-align: center; font-size: 13px; color: var(--muted); margin: -24px 0 28px; }
.empty { text-align: center; color: var(--muted); padding: 60px 0; }

/* ── Post ── */
.post-head { max-width: 920px; margin: 0 auto; padding: clamp(32px, 5vw, 72px) var(--pad) 0; text-align: center; }
.crumbs { display: flex; justify-content: center; gap: 10px; font-family: var(--font-display); font-size: 14px; letter-spacing: .06em; color: var(--muted); }
.crumbs a:hover { color: var(--ink); }
.post-head h1 { font-size: clamp(34px, 4.8vw, 62px); line-height: 1.12; margin: 20px 0 18px; text-wrap: balance; }
.post-desc { font-size: 15px; color: var(--ink-2); max-width: 600px; margin: 0 auto; }
.byline { display: inline-flex; align-items: center; gap: 12px; margin-top: 28px; padding: 6px 18px 6px 6px; border: 1px solid var(--frame); border-radius: 999px; text-align: left; font-size: 13px; line-height: 1.45; }
.byline img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; object-position: 50% 15%; }
.byline > span { display: grid; }
.byline .muted { font-size: 12px; }
.post-body { max-width: 760px; margin: 0 auto; padding: 48px var(--pad) 0; }
.answer { padding: 28px 30px; background: var(--paper); border: 1px solid var(--ink); border-radius: var(--r); }
.answer .eyebrow { color: var(--ink); margin-bottom: 10px; }
.answer p:last-child { font-size: 17px; font-weight: 500; line-height: 1.75; letter-spacing: -0.02em; }
.post-video { margin: 36px 0 0; }
.yt-lite { position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden; border-radius: var(--r); background: #2d2a27; }
.yt-lite img { width: 100%; height: 100%; object-fit: cover; }
.post-video iframe { display: block; width: 100%; aspect-ratio: 16 / 9; border: 0; border-radius: var(--r); }
.post-video figcaption { margin-top: 10px; font-size: 12px; color: var(--muted); }
.toc { margin-top: 40px; padding: 18px 22px 10px; border: 1px solid var(--frame); border-radius: var(--r); }
.toc ol { list-style: none; margin: 8px 0 0; padding: 0; columns: 2; column-gap: 28px; }
.toc li { break-inside: avoid; }
.toc a { display: flex; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.toc a span { font-size: 11px; color: var(--muted); padding-top: 3px; }
.toc a:hover { color: var(--muted); }

.prose { margin-top: 16px; font-size: 16.5px; line-height: 1.9; color: #34312d; }
.prose h2 { font-size: clamp(22px, 2.6vw, 28px); font-weight: 700; letter-spacing: -0.04em; margin: 64px 0 18px; padding-top: 20px; border-top: 1px solid var(--line); scroll-margin-top: 90px; }
.prose h3 { font-size: 18.5px; font-weight: 600; margin: 36px 0 10px; scroll-margin-top: 90px; }
.prose h4 { font-size: 16.5px; margin: 28px 0 8px; }
.prose p { margin: 14px 0; }
.prose strong { font-weight: 650; color: var(--ink); background: linear-gradient(transparent 62%, #e3ded5 62%); }
.prose a { border-bottom: 1px solid currentColor; }
.prose ul, .prose ol { padding-left: 22px; margin: 14px 0; }
.prose li { margin: 6px 0; }
.prose li::marker { color: var(--muted); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }
.prose code { font-size: .9em; background: var(--tile); padding: 1px 6px; border-radius: 4px; }
.table-wrap { overflow-x: auto; margin: 20px 0; -webkit-overflow-scrolling: touch; border: 1px solid var(--frame); border-radius: var(--r); }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; line-height: 1.6; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
tr:last-child > th, tr:last-child > td { border-bottom: 0; }
thead th { font-size: 12.5px; font-weight: 600; letter-spacing: .02em; color: var(--ink-2); background: var(--tile); }
tbody th { width: 120px; font-weight: 600; color: var(--ink-2); white-space: nowrap; }
.callout { display: flex; gap: 14px; margin: 24px 0; padding: 20px 22px; background: var(--paper); border: 1px solid var(--frame); border-radius: var(--r); font-size: 15.5px; }
.callout-icon { display: none; }
.callout > div > p:first-child { margin-top: 0; }
.callout > div > :last-child { margin-bottom: 0; }
.callout-warn { background: #efe8de; border-color: #b59a7c; }
.checklist { list-style: none; padding: 0 !important; }
.checklist li { position: relative; padding-left: 30px; margin: 10px 0; }
.checklist li::before { content: ''; position: absolute; left: 0; top: .42em; width: 15px; height: 15px; border: 1px solid var(--ink); border-radius: 4px; }
.checklist li::after { content: ''; position: absolute; left: 5px; top: calc(.42em + 2px); width: 5px; height: 9px; border: solid var(--ink); border-width: 0 1.5px 1.5px 0; transform: rotate(45deg); }

.sources { margin-top: 56px; border-top: 1px solid var(--ink); padding-top: 16px; }
.sources ul { margin: 10px 0 0; padding-left: 18px; font-size: 14px; color: var(--ink-2); }
.sources a { border-bottom: 1px solid var(--line); }
.disclaimer { margin-top: 24px; font-size: 12.5px; line-height: 1.7; color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.tags span { font-size: 12px; padding: 4px 12px; border: 1px solid var(--frame); border-radius: 999px; color: var(--ink-2); }
.author-box { display: flex; gap: 22px; margin-top: 48px; padding: 26px; border: 1px solid var(--frame); border-radius: var(--r); background: var(--paper); font-size: 14px; color: var(--ink-2); line-height: 1.75; }
.author-box img { width: 96px; height: 96px; object-fit: cover; object-position: 50% 15%; border-radius: 50%; }
.author-box .eyebrow { margin-bottom: 4px; }
.author-name { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.author-name span { font-size: 13px; font-weight: 400; color: var(--muted); margin-left: 6px; }
.author-links { display: flex; gap: 18px; margin-top: 12px; color: var(--ink); }

/* ── FAQ ── */
.faq-group { display: grid; grid-template-columns: minmax(180px, 1fr) 2.6fr; gap: clamp(20px, 4vw, 64px); max-width: 1100px; margin: 0 auto 64px; }
.faq-group h2 { font-size: clamp(34px, 3.6vw, 48px); line-height: 1; }
.faq-group h2 .en { margin-bottom: 8px; }
.faq-group > div { display: grid; gap: 10px; align-content: start; }
.faq { border: 1px solid var(--frame); border-radius: var(--r); background: var(--paper); }
.faq summary { position: relative; list-style: none; cursor: pointer; padding: 18px 54px 18px 22px; font-size: 16px; font-weight: 500; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); font-size: 22px; font-weight: 300; color: var(--muted); transition: transform .25s; }
.faq[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq > div { padding: 0 54px 22px 22px; font-size: 14.5px; color: var(--ink-2); line-height: 1.85; }
.faq > div .underline { margin-top: 12px; color: var(--ink); font-size: 12.5px; }

/* ── About page ── */
.about-page { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 5vw, 80px); align-items: start; }
.about-main { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 15%; background: var(--tile); border: 1px solid var(--frame); border-radius: var(--r); }
.about-text { display: grid; gap: 16px; font-size: 14.5px; line-height: 1.85; color: var(--ink-2); max-width: 480px; padding-top: 6px; }
.about-text .lead { font-size: clamp(20px, 2vw, 26px); line-height: 1.45; color: var(--ink); font-weight: 600; letter-spacing: -0.03em; }
.about-text .underline { justify-self: start; color: var(--ink); }
.about-links { display: flex; gap: 20px; margin-top: 8px; color: var(--ink); }
.expertise { display: flex; flex-wrap: wrap; gap: 10px; }
.expertise span { padding: 10px 22px; border: 1px solid var(--frame); border-radius: 999px; background: var(--paper); font-size: 14px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(10px, 1.4vw, 20px); }
.steps li { display: grid; align-content: start; gap: 8px; padding: 22px 24px 30px; border: 1px solid var(--frame); border-radius: var(--r); background: var(--paper); font-size: 14px; color: var(--ink-2); }
.steps .num { font-family: var(--font-display); font-size: 18px; color: var(--muted); }
.steps strong { font-size: clamp(28px, 2.6vw, 36px); line-height: 1; color: var(--ink); margin-top: 18px; }
.info-sec { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 80px); }
.info-sec .sec-head h2 { font-size: clamp(40px, 4.4vw, 64px); }
.info { display: grid; grid-template-columns: 100px 1fr; margin: 0; border-top: 1px solid var(--ink); font-size: 14px; }
.info dt, .info dd { margin: 0; padding: 14px 0; border-bottom: 1px solid var(--line); }
.info dt { color: var(--muted); font-size: 13px; }
.press-list { border-top: 1px solid var(--ink); }
.press-list a { position: relative; display: grid; gap: 4px; padding: 16px 32px 16px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; line-height: 1.55; }
.press-list a span { font-size: 12px; }
.press-list strong { font-weight: 500; }
.press-list svg { position: absolute; right: 4px; top: 18px; color: var(--muted); }
.press-list a:hover strong { opacity: .6; }

/* ── Contact ── */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(10px, 1.4vw, 20px); max-width: 1100px; margin: 0 auto; }
.contact-card { display: flex; flex-direction: column; gap: 8px; aspect-ratio: 1; padding: 26px; border: 1px solid var(--frame); border-radius: var(--r); background: var(--paper); transition: transform .4s cubic-bezier(.2,.7,.2,1); }
.contact-card:hover { transform: translateY(-4px); }
.contact-card .num { font-family: var(--font-display); font-size: 18px; color: var(--muted); }
.contact-card strong { margin-top: auto; font-size: clamp(34px, 3.4vw, 48px); line-height: 1; }
.contact-card > span:not(.num):not(.go) { font-size: 13.5px; color: var(--ink-2); }
.contact-card .go { display: flex; align-items: center; gap: 6px; margin-top: 18px; padding-top: 14px; border-top: 1px solid currentColor; font-size: 12px; letter-spacing: .06em; }
.contact-card.dark { background: var(--ink); border-color: var(--ink); color: #f1eee9; }
.contact-card.dark > span:not(.num):not(.go) { color: #c9c3bb; }
.prepare { display: grid; grid-template-columns: minmax(180px, 1fr) 2.6fr; gap: clamp(20px, 4vw, 64px); max-width: 1100px; margin: 80px auto clamp(80px, 10vw, 140px); }
.prepare h2 { font-size: clamp(34px, 3.6vw, 48px); line-height: 1; }
.prepare h2 .en { margin-bottom: 8px; }
.prepare > div { padding: 18px 22px; border: 1px solid var(--frame); border-radius: var(--r); background: var(--paper); font-size: 15px; }
.prepare .muted { font-size: 13px; margin-top: 12px; }

/* ── Mobile bar ── */
.mobile-bar { display: none; }

/* ── Responsive ── */
@media (max-width: 1180px) {
  .search { width: 140px; }
}
@media (max-width: 1040px) {
  .site-header { grid-template-columns: 1fr auto; }
  .nav { display: none; }
  .burger { display: grid; }
  .hero-side p { display: none; }
}
@media (max-width: 960px) {
  .tile-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 12px; }
  .topic-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .shorts-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1fr; }
  .qa, .faq-group, .prepare { grid-template-columns: 1fr; }
  .qa-side { position: static; }
  .about-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas: "lead photo" "copy photo" "more photo";
  }
  .about-photo { min-height: 0; aspect-ratio: 4 / 5; }
}
@media (max-width: 760px) {
  body { font-size: 15.5px; padding-bottom: 56px; }
  .site-header { height: 60px; }
  .menu { inset: 60px 0 0; }
  .brand-logo { height: 36px; }
  .tools { height: 40px; padding: 0 12px; gap: 14px; }
  .tools .search, .tools .icon-link:not(:last-child) { display: none; }
  .tools { width: 40px; justify-content: center; padding: 0; border-radius: 50%; }

  .hero { padding-top: 4px; }
  .hero-frame { height: auto; display: flex; flex-direction: column; }
  .hero-frame { --mega-size: calc((100vw - 2 * var(--pad) - 20px) / 5.75); }
  .mega { padding-top: 14px; }
  .hero-note { position: static; padding: 8px 16px 0; font-size: 13px; }
  .hero-cut { position: relative; left: auto; transform: none; width: 118%; height: auto; margin: -8px -9% 0; align-self: center; }
  .hero-tags { position: relative; left: auto; bottom: auto; max-width: none; margin: -44px 12px 12px; }
  .hero-tags li { font-size: 11.5px; padding: 4px 10px; }
  .hero-side { position: static; justify-items: start; text-align: left; max-width: none; padding: 18px 16px; border-top: 1px solid var(--frame); }
  .hero-caption { display: none; }
  .hero-side p { display: block; }

  .sec-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .sec-aside { justify-items: start; text-align: left; max-width: none; padding-bottom: 0; }
  .about-grid { grid-template-columns: 1fr; grid-template-areas: "photo" "lead" "copy" "more"; grid-template-rows: none; }
  .about-hook { font-size: 12.5px; }
  .about-toggle { width: 38px; height: 38px; padding: 0; justify-content: center; }
  .about-toggle span { display: none !important; }
  .about-photo { aspect-ratio: 4 / 5; }
  .card-row .post-card:nth-child(even) { margin-top: 28px; }
  .tile-key { font-size: 26px; }
  .tile.has-img .tile-video { top: 8px; right: 8px; padding: 2px 8px; font-size: 11px; }
  .topic-grid { grid-template-columns: 1fr; }
  .topic { min-height: 0; }
  .steps { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-card { aspect-ratio: auto; min-height: 200px; }
  .qa-list a { grid-template-columns: 28px 1fr 16px; padding: 16px; }
  .qa-list .cat { display: none; }
  .qa-list .q { font-size: 15px; }
  .toc ol { columns: 1; }
  .answer { padding: 22px 20px; }
  .answer p:last-child { font-size: 16px; }
  .prose { font-size: 16px; }
  .author-box { flex-direction: column; gap: 14px; }
  .video-grid { grid-template-columns: 1fr; }
  .shorts-grid { grid-template-columns: repeat(2, 1fr); }
  .video-strip { align-items: flex-start; }
  .video-strip .video-card { width: 72vw; }
  .video-strip .is-short { width: 42vw; }
  .video-strip .video-card:nth-child(4n+2):not(.is-short) { width: 60vw; }
  .cta { margin-left: var(--pad); margin-right: var(--pad); }
  .cta-links a { width: 100%; justify-content: center; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 6px; }
  .mobile-bar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 50; display: grid; grid-template-columns: 1fr 1fr;
    background: var(--bg); border-top: 1px solid var(--ink);
  }
  .mobile-bar a { display: flex; align-items: center; justify-content: center; gap: 8px; height: 56px; font-size: 14px; font-weight: 600; }
  .mobile-bar .mb-call { background: var(--ink); color: var(--paper); }
}