:root {
  color-scheme: light;
  --bg: #f3ece1;
  --bg-1: #ebe2d2;
  --bg-2: #ddd0bb;
  --paper: #f3ece1;
  --line: rgba(14,18,25,.12);
  --line-2: rgba(14,18,25,.22);
  --fg: #16110b;
  --fg-2: #5a4f3f;
  --fg-3: #8a7d68;
  --accent: #635bff;
  --accent-end: #7c3aed;
  --accent-ink: #ffffff;
  --accent-2: #7c3aed;
  --accent-3: #635bff;
  --accent-grad: linear-gradient(135deg, rgba(99, 91, 255, 0.98) 0%, rgba(124, 58, 237, 0.98) 100%);
  --accent-grad-soft: linear-gradient(135deg, rgba(99, 91, 255, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);

  /* Typography — Variation B: Modern Restrained */
  --jp: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;
  --en: "Manrope", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  /* Legacy aliases — existing rules reference these */
  --serif: var(--jp);
  --serif-text: var(--jp);
  --sans: var(--jp);

  /* Scale */
  --body-size: 17px;
  --emph-weight: 800;
  --line-jp: 1.65;
  --line-en: 1.5;

  --pad-section: 96px;
  --pad-row: 14px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--fg);
  font-family: var(--jp);
  font-size: var(--body-size); line-height: var(--line-jp);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  font-feature-settings: "palt" 1, "kern" 1;
  transition: background .35s ease, color .35s ease;
}

/* No italics — weight-based emphasis throughout */
body { font-style: normal; }
em, i, .em { font-style: normal; font-weight: var(--emph-weight); letter-spacing: -0.005em; }

/* English portions use Manrope */
:lang(en), .en { font-family: var(--en); line-height: var(--line-en); }
h1 .en, h2 .en { font-family: var(--en); font-weight: 700; letter-spacing: -0.025em; }

h1, h2, h3, h4 { font-family: var(--jp); }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
.container { max-width: 1320px; margin: 0 auto; padding: 0 40px; }

/* NAV */
nav.top {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
nav.top .row { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.brand {
  font-family: var(--jp);
  font-size: 22px; font-weight: 700; letter-spacing: -0.01em;
  display: flex; align-items: baseline; gap: 8px;
}
.brand .num { font-family: var(--mono); font-size: 11px; font-weight: 400; color: var(--fg-3); letter-spacing: 0.05em; }
.nav-links { display: flex; gap: 28px; font-size: 13px; }
.nav-links a { color: var(--fg-2); transition: color .15s; }
.nav-links a:hover { color: var(--accent); }
.nav-right { display: flex; gap: 12px; align-items: center; }
.nav-cta {
  display: inline-block;
  font-family: var(--jp); font-size: 13px; font-weight: 700;
  padding: 9px 18px; border-radius: 999px;
  background: var(--accent-grad); color: var(--accent-ink);
  box-shadow: 0 8px 20px -12px rgba(124, 58, 237, .65);
  transition: transform .15s, box-shadow .15s;
  white-space: nowrap;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 12px 24px -12px rgba(124, 58, 237, .75); }
.blog-cta-wrap { text-align: center; margin: 2rem 0; }

/* Status pill */
.status-pill {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em;
  padding: 6px 12px; border-radius: 999px; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--accent); color: var(--accent);
}
.status-pill .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); animation: blink 1.6s infinite;
}
.status-pill .label::before { content: "Coming Soon"; }
@keyframes blink { 0%, 60% { opacity: 1; } 80%, 100% { opacity: .35; } }

/* Sales count — 申込枚数の販促表示（種別ごとの内訳） */
.sales-count {
  display: inline-flex; flex-wrap: wrap; align-items: baseline; gap: 8px 14px;
  margin: 18px 0 4px;
  padding: 10px 16px; border-radius: 14px;
  border: 1px solid var(--line-2);
  background: var(--accent-grad-soft);
}
.sales-count .sales-count-total { font-size: 15px; color: var(--fg-2); }
.sales-count .sales-count-total em {
  font-family: var(--en); font-weight: var(--emph-weight); font-size: 22px;
  color: var(--accent); margin: 0 2px;
}
.sales-count .sales-count-breakdown {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; color: var(--fg-3);
}
.sales-count .sales-count-breakdown .sep { margin: 0 6px; opacity: .6; }

/* HERO */
.hero { padding: 80px 0 100px; position: relative; border-bottom: 1px solid var(--line); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(60% 50% at 78% 12%, rgba(124, 58, 237, .22), transparent 70%),
    radial-gradient(50% 45% at 8% 92%, rgba(99, 91, 255, .18), transparent 70%);
}
.hero > * { position: relative; z-index: 1; }
.issue {
  display: flex; gap: 24px; align-items: center;
  font-family: var(--mono); font-size: 12.5px; color: var(--fg-3);
  letter-spacing: 0.04em; text-transform: uppercase;
  margin-bottom: 56px;
}
.issue .ln { flex: 1; height: 1px; background: var(--line); }
.issue .e { color: var(--accent); }

.hero-mast {
  font-family: var(--jp);
  font-weight: 700;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}
.hero-mast em {
  background: var(--accent-grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero-mast .quiet { color: var(--fg-3); }

.hero-grid {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 80px;
  margin-top: 64px; align-items: end;
}
.hero-lead {
  font-family: var(--jp);
  font-size: 19px; line-height: var(--line-jp);
  color: var(--fg);
  text-wrap: pretty;
  max-width: 560px;
}
.hero-lead .drop {
  font-family: var(--jp); font-size: 64px; font-weight: 700; line-height: 0.8;
  float: left; padding-right: 12px; padding-top: 6px;
  color: var(--accent);
}
.hero-meta { border-top: 1px solid var(--line-2); padding-top: 28px; }
.hero-meta dl { margin: 0; display: grid; grid-template-columns: 80px 1fr; gap: 16px 16px; }
.hero-meta dt { font-family: var(--mono); font-size: 12.5px; color: var(--fg-3); text-transform: uppercase; letter-spacing: 0.04em; padding-top: 4px; }
.hero-meta dd { margin: 0; font-family: var(--jp); font-size: 24px; line-height: 1.1; font-weight: 500; }
.hero-meta dd .small { font-family: var(--jp); font-size: 13px; color: var(--fg-2); display: block; margin-top: 4px; letter-spacing: 0; font-weight: 400; }
.hero-cta { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-top: 28px; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 999px; font-size: 14px; font-weight: 500; transition: transform .15s, background .15s; }
.btn-primary { background: var(--accent-grad); color: var(--accent-ink); box-shadow: 0 8px 24px -10px rgba(124, 58, 237, .6); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 28px -10px rgba(124, 58, 237, .7); }
.btn-primary:disabled, .btn-primary[aria-disabled="true"] { cursor: not-allowed; opacity: .82; transform: none; }
.btn-ghost { background: transparent; color: var(--fg); border: 1px solid var(--line-2); }
.btn-ghost:hover { border-color: var(--fg); }

/* Floating date stamp */
.date-stamp {
  position: absolute; right: 40px; top: 80px;
  display: flex; flex-direction: column; align-items: flex-end;
  font-family: var(--mono); color: var(--fg-3);
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  pointer-events: none;
}
.date-stamp .ring {
  width: 96px; height: 96px; border: 1px solid transparent;
  border-radius: 50%; display: grid; place-items: center;
  font-family: var(--en); font-size: 26px; font-weight: 700;
  color: #fff; margin-bottom: 10px; letter-spacing: -0.02em;
  position: relative;
  background: var(--accent-grad);
  box-shadow: 0 10px 30px -12px rgba(124, 58, 237, .65);
}
.date-stamp .ring::before {
  content: ""; position: absolute; inset: -4px;
  border: 1px dashed var(--accent); border-radius: 50%; opacity: .4;
  animation: rotate 28s linear infinite;
}
@keyframes rotate { to { transform: rotate(360deg); } }

/* COUNTDOWN */
.cd-wrap {
  margin-top: 64px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 36px 0 32px;
}
.cd-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 22px;
  font-family: var(--mono); font-size: 12.5px; color: var(--fg-3);
  letter-spacing: 0.04em; text-transform: uppercase;
}
.cd-head .live { color: var(--accent); display: inline-flex; align-items: center; gap: 8px; }
.cd-head .live::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); animation: blink 1.4s infinite;
}
.cd-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line);
}
.cd-cell {
  background: var(--bg);
  padding: 18px 24px;
  display: flex; flex-direction: column; gap: 6px;
}
.cd-num {
  font-family: var(--en); font-size: clamp(64px, 9vw, 128px); line-height: 0.86;
  letter-spacing: -0.045em; font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--fg);
  display: flex; gap: 0;
}
.cd-num .digit { display: inline-block; position: relative; }
.cd-cap {
  font-family: var(--mono); font-size: 12.5px; color: var(--fg-3);
  letter-spacing: 0.04em; text-transform: uppercase;
  display: flex; justify-content: space-between; align-items: baseline;
}
.cd-cap em { font-style: normal; font-weight: 400; color: var(--accent); font-family: var(--en); font-size: 14px; }

/* SECTIONS */
section.s { padding: var(--pad-section) 0; border-bottom: 1px solid var(--line); position: relative; }
.section-mast { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 40px; margin-bottom: 80px; }
.section-mast .num {
  font-family: var(--mono); font-size: 12.5px; color: var(--accent);
  letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 24px;
}
.section-mast h2 {
  font-family: var(--jp); font-weight: 700;
  font-size: clamp(28px, 3.5vw, 40px); line-height: 1.18;
  letter-spacing: -0.012em; margin: 0;
}
.section-mast h2 em {
  background: var(--accent-grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.section-mast .deck { max-width: 360px; font-family: var(--jp); font-size: 17px; color: var(--fg-2); line-height: var(--line-jp); }

/* THEME */
.pull-quote {
  font-family: var(--jp); font-weight: 500;
  font-size: clamp(24px, 3.5vw, 40px); line-height: 1.4; letter-spacing: -0.015em;
  margin: 0 0 56px; text-wrap: balance;
  max-width: 1100px;
}
.pull-quote .mark { color: var(--accent); }

.theme-read {
  display: grid; grid-template-columns: 96px 1fr; gap: 48px;
  align-items: start;
}
.theme-read .chapters {
  position: sticky; top: 96px;
  display: flex; flex-direction: column; gap: 14px;
  font-family: var(--mono); font-size: 11px; color: var(--fg-3);
  letter-spacing: 0.12em; text-transform: uppercase;
}
.theme-read .chapters a { color: var(--fg-3); padding: 6px 0; border-left: 1px solid var(--line-2); padding-left: 12px; transition: all .2s; }
.theme-read .chapters a.on, .theme-read .chapters a:hover { color: var(--accent); border-color: var(--accent); }
.theme-body p {
  font-family: var(--jp); font-size: 17px; line-height: var(--line-jp); color: var(--fg);
  margin: 0 0 22px;
  text-wrap: pretty;
}
.theme-body p strong { font-weight: 700; color: var(--fg); }
.theme-body h3 {
  font-family: var(--jp); font-weight: 700;
  font-size: 22px; letter-spacing: -0.012em; line-height: 1.35;
  margin: 56px 0 18px;
}
.theme-body h3::before {
  content: "§ "; color: var(--accent); font-family: var(--mono); font-size: 14px;
  letter-spacing: 0.1em; vertical-align: middle; margin-right: 6px;
}
.theme-body h3 em { color: var(--accent); }

.sidenotes { display: flex; flex-direction: column; gap: 32px; padding-top: 8px; }
.sidenote {
  border-top: 1px solid var(--accent);
  padding-top: 14px;
  font-family: var(--jp);
  font-size: 14px; line-height: var(--line-jp); color: var(--fg-2);
}
.sidenote .k { font-family: var(--mono); font-size: 10px; color: var(--accent); letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 6px; }
.sidenote em { color: var(--fg); font-family: var(--jp); font-size: 16px; font-weight: var(--emph-weight); display: block; margin-bottom: 8px; }

.theme-three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 100px; padding-top: 56px; border-top: 1px solid var(--line); }
.theme-three .it h4 { font-family: var(--jp); font-weight: 700; font-size: 18px; margin: 0 0 12px; letter-spacing: -0.01em; line-height: 1.4; }
.theme-three .it h4 em { color: var(--accent); }
.theme-three .it p { font-family: var(--jp); font-size: 16px; color: var(--fg-2); margin: 0; line-height: var(--line-jp); }
.theme-three .it .num { font-family: var(--mono); font-size: 11px; color: var(--fg-3); margin-bottom: 16px; letter-spacing: 0.1em; }

/* TIMETABLE — swimlane grid */
.tt-grid {
  --tt-time-w: 110px;
  --tt-gap: 18px;
}
.tt-headrow {
  display: grid;
  grid-template-columns: var(--tt-time-w) 1fr 1fr;
  gap: var(--tt-gap);
  position: sticky;
  top: 73px;
  background: var(--bg);
  padding: 14px 0 12px;
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
  z-index: 5;
  align-items: baseline;
}
.tt-headrow .col { display: flex; align-items: baseline; gap: 10px; color: var(--fg-3); }
.tt-headrow .col .dot {
  width: 10px; height: 10px; border-radius: 2px; display: inline-block;
  transform: translateY(1px); flex-shrink: 0;
}
.tt-headrow .col .name { color: var(--fg); font-weight: 700; }
.tt-headrow .col .sub { font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; }
.tt-headrow .col.a .dot { background: var(--accent); }
.tt-headrow .col.b .dot { background: var(--accent-3); }
.tt-block {
  display: grid;
  grid-template-columns: var(--tt-time-w) 1fr 1fr;
  gap: var(--tt-gap);
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  align-items: stretch;
}
.tt-time {
  font-family: var(--mono);
  font-feature-settings: "tnum" 1;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.1;
  padding-top: 12px;
  letter-spacing: -0.01em;
  color: var(--fg);
}
.tt-time .until {
  display: block;
  color: var(--fg-3);
  font-size: 11px;
  font-weight: 400;
  margin-top: 4px;
  letter-spacing: 0.04em;
}
.tt-cell {
  position: relative;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 14px 16px 14px 18px;
  display: flex; flex-direction: column;
  min-height: 90px;
}
.tt-cell.a { border-left: 3px solid var(--accent); }
.tt-cell.b { border-left: 3px solid var(--accent-3); }
.tt-cell .head {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 10px;
  color: var(--fg-3);
  font-size: 11.5px;
  margin-bottom: 8px;
}
.tt-cell .track-tag {
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: var(--mono);
}
.tt-cell.a .track-tag { color: var(--accent); }
.tt-cell.b .track-tag { color: var(--accent-3); }
.tt-cell.common .track-tag { color: var(--fg-3); }
.tt-cell .dur { font-feature-settings: "tnum" 1; font-family: var(--mono); font-size: 11px; }
.tt-cell h4 { margin: 0 0 6px; font-size: 17px; line-height: 1.4; font-weight: 700; }
.tt-cell .who { color: var(--fg-3); margin: 0 0 auto; font-size: 13px; font-family: var(--mono); letter-spacing: 0.03em; }
.tt-cell .tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.tt-cell .tag {
  display: inline-block; padding: 2px 9px;
  font-size: 11px; font-weight: 500;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  color: var(--fg-3);
  font-family: var(--mono);
  font-feature-settings: "tnum" 1;
}
/* tentative (tbd) sessions — muted only, no color coding / no badge */
.tt-cell--tbd h4 { color: var(--fg-2); font-weight: 600; }
.tt-cell--tbd .who,
.tt-cell .who-tbd { color: var(--fg-3); }
.tt-cell--tbd .tag { opacity: 0.72; }
/* timetable-wide tentative note */
.tt-note {
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--fg-3);
  letter-spacing: 0.01em;
  margin: 0 0 32px;
}
.tt-cell.empty {
  background: transparent;
  border-style: dashed;
  border-color: var(--line);
  display: flex; align-items: center; justify-content: center;
  color: var(--fg-3);
  font-size: 12px;
  min-height: 90px;
}
.tt-cell.empty::after { content: "—"; opacity: 0.4; }
.tt-cell.common {
  grid-column: 2 / span 2;
  background: transparent;
  border: 1px dashed var(--line-2);
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  padding: 12px 18px;
}
.tt-cell.common h4 {
  font-size: 14.5px;
  color: var(--fg-2);
  margin: 0;
  font-weight: 600;
}
.tt-cell.common .head { margin: 0; }

/* Track summary cards */
.tt-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 40px; }
.tt-sum-card { padding: 20px 22px; border: 1px solid var(--line-2); border-radius: 4px; }
.tt-sum-card .h { font-family: var(--mono); font-size: 12.5px; color: var(--fg-3); letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.tt-sum-card .h i { width: 8px; height: 8px; border-radius: 50%; }
.tt-sum-card .ttl { font-family: var(--jp); font-weight: 500; font-size: 22px; line-height: 1.35; letter-spacing: -0.015em; margin-bottom: 6px; }
.tt-sum-card .meta { font-family: var(--mono); font-size: 11px; color: var(--fg-3); }
.tt-sum-card[data-t="A"]  .h i { background: var(--accent); }
.tt-sum-card[data-t="B"]  .h i { background: var(--accent-3); }
.tt-sum-card[data-t="LT"] .h i { background: var(--accent-2); }

/* SPEAKERS */
.sp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 56px 32px; }
.sp-card { display: flex; flex-direction: column; }
.sp-portrait {
  width: 100%; aspect-ratio: 4 / 5; border-radius: 4px; overflow: hidden;
  background: var(--bg-1); position: relative; margin-bottom: 16px;
  border: 1px solid var(--line);
}
.sp-portrait::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60% 40% at 50% 30%, color-mix(in oklch, var(--accent) 30%, transparent), transparent 70%),
    repeating-linear-gradient(180deg, transparent 0, transparent 4px, color-mix(in oklch, var(--fg) 4%, transparent) 4px, color-mix(in oklch, var(--fg) 4%, transparent) 5px);
}
.sp-portrait .badge { position: absolute; top: 12px; left: 12px; z-index: 1; font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; padding: 4px 8px; background: var(--bg); color: var(--fg-2); border-radius: 4px; text-transform: uppercase; }
.sp-name { font-family: var(--jp); font-weight: 700; font-size: 22px; letter-spacing: -0.01em; margin: 0 0 4px; }
.sp-name em { color: var(--accent); }
.sp-org { font-family: var(--mono); font-size: 12.5px; color: var(--fg-3); letter-spacing: 0.04em; text-transform: uppercase; }
.sp-more { display: inline-block; margin-top: 12px; font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: 0.06em; border-bottom: 1px solid color-mix(in oklch, var(--accent) 50%, transparent); transition: border-color .15s; }
.sp-more:hover { border-color: var(--accent); }

/* SPEAKERS PAGE */
.speakers-page { padding: 64px 0 96px; }
.sp-detail-list { display: flex; flex-direction: column; gap: 64px; max-width: 920px; }
.sp-detail { display: grid; grid-template-columns: 220px 1fr; gap: 40px; padding-bottom: 64px; border-bottom: 1px solid var(--line); }
.sp-detail:last-child { border-bottom: 0; padding-bottom: 0; }
.sp-detail-portrait {
  width: 100%; aspect-ratio: 4 / 5; border-radius: 4px; overflow: hidden;
  background: var(--bg-1); position: relative; border: 1px solid var(--line);
}
.sp-detail-body h2 { font-family: var(--jp); font-weight: 700; font-size: 36px; line-height: 1.18; letter-spacing: -0.02em; margin: 0 0 8px; }
.sp-detail-reading { font-family: var(--mono); font-size: 12px; color: var(--fg-3); letter-spacing: 0.08em; margin-bottom: 18px; }
.sp-detail-role { font-family: var(--mono); font-size: 12px; color: var(--fg-2); letter-spacing: 0.04em; line-height: 1.6; margin-bottom: 20px; text-transform: uppercase; }
.sp-detail-body p { font-family: var(--jp); font-size: 16px; line-height: var(--line-jp); color: var(--fg); margin: 0 0 20px; text-wrap: pretty; }
.sp-detail-links { display: flex; flex-wrap: wrap; gap: 10px 16px; }
.sp-detail-links a { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: 0.06em; border-bottom: 1px solid color-mix(in oklch, var(--accent) 50%, transparent); transition: border-color .15s; }
.sp-detail-links a:hover { border-color: var(--accent); }
.cfp-card {
  grid-column: span 1; background: var(--bg-1); border: 1px solid var(--accent);
  padding: 28px; border-radius: 4px;
  display: flex; flex-direction: column; justify-content: space-between;
  aspect-ratio: 4 / 5;
}
.cfp-card .h { font-family: var(--jp); font-weight: 700; font-size: 32px; line-height: 1.18; letter-spacing: -0.02em; }
.cfp-card .h em { color: var(--accent); }
.cfp-card .small { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase; }
.cfp-card p { font-family: var(--jp); font-size: 14px; color: var(--fg-2); margin: 0; line-height: var(--line-jp); }

/* VENUE */
.venue-block { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: stretch; }
.venue-figure { border: 1px solid var(--line); border-radius: 4px; overflow: hidden; position: relative; }
.geolonia { width: 100%; height: 400px; }
.map-fallback { position: absolute; bottom: 12px; right: 12px; font-family: var(--mono); font-size: 11px; color: var(--fg-3); background: var(--bg-1); border: 1px solid var(--line); border-radius: 3px; padding: 4px 8px; text-decoration: none; letter-spacing: 0.05em; }
.map-fallback:hover { color: var(--fg); border-color: var(--line-2); }
.venue-text h3 { font-family: var(--jp); font-weight: 700; font-size: clamp(22px, 3vw, 40px); line-height: 1.18; letter-spacing: -0.015em; margin: 0 0 16px; }
.venue-text h3 em { color: var(--accent); }
.venue-text .place { font-family: var(--jp); font-size: 17px; color: var(--fg); margin-bottom: 28px; line-height: var(--line-jp); }
.venue-text .access { border-top: 1px solid var(--line); padding-top: 24px; }
.venue-text .access h4 { font-family: var(--mono); font-size: 12.5px; color: var(--fg-3); letter-spacing: 0.04em; text-transform: uppercase; margin: 0 0 14px; font-weight: 400; }
.venue-text ul { list-style: none; margin: 0; padding: 0; }
.venue-text li { display: grid; grid-template-columns: 140px 1fr; padding: 10px 0; border-bottom: 1px dashed var(--line); font-family: var(--jp); font-size: 16px; }
.venue-text li:last-child { border: 0; }
.venue-text li .k { font-family: var(--mono); font-size: 12px; color: var(--fg-3); padding-top: 3px; }

/* SPONSORS */
.sp-tier { margin-bottom: 48px; }
.sp-tier h3 { display: flex; align-items: center; gap: 16px; font-family: var(--jp); font-weight: 700; font-size: 22px; letter-spacing: -0.01em; margin: 0 0 20px; }
.sp-tier h3 em { color: var(--accent); }
.sp-tier h3 .tier-jp { font-family: var(--mono); font-size: 12px; font-weight: 400; color: var(--fg-3); letter-spacing: 0.04em; }
.sp-tier h3::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.sp-grid-tier { display: flex; flex-wrap: wrap; gap: 16px; }
.sp-logo-card {
  flex: 0 1 260px; background: #fff; border: 1px solid var(--line); border-radius: 4px;
  aspect-ratio: 3.2 / 1; display: grid; place-items: center; padding: 20px 28px;
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.sp-logo-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(14, 18, 25, 0.08); }
.sp-logo-card img { max-width: 100%; max-height: 64px; width: auto; height: auto; object-fit: contain; }
.sp-tier[data-tier="platinum"] .sp-logo-card { flex-basis: 100%; aspect-ratio: 6 / 1; padding: 32px 48px; }
.sp-tier[data-tier="platinum"] .sp-logo-card img { max-height: 96px; }
.sp-tier[data-tier="gold"] .sp-logo-card { flex-basis: 380px; aspect-ratio: 4 / 1; }
.sponsor-cta { margin-top: 40px; display: flex; align-items: center; justify-content: space-between; padding: 32px; border: 1px solid var(--accent); border-radius: 4px; gap: 24px; flex-wrap: wrap; }
.sponsor-cta h4 { font-family: var(--jp); font-weight: 700; font-size: 22px; margin: 0 0 6px; letter-spacing: -0.01em; }
.sponsor-cta h4 em { color: var(--accent); }
.sponsor-cta p { font-family: var(--jp); font-size: 15px; color: var(--fg-2); margin: 0; line-height: var(--line-jp); }
.sponsor-cta .right { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase; transition: color .15s; }
a.sponsor-cta .right:hover, .sponsor-cta a.right:hover { color: var(--accent-2); }

/* PAST */
.past-card { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: stretch; padding: 48px; background: var(--bg-1); border-radius: 4px; border: 1px solid var(--line); }
.past-card .meta { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 16px; }
.past-card h3 { font-family: var(--jp); font-weight: 700; font-size: clamp(28px, 3.5vw, 40px); line-height: 1.18; letter-spacing: -0.02em; margin: 0 0 16px; }
.past-card h3 em { color: var(--accent); }
.past-card p { font-family: var(--jp); font-size: 16px; color: var(--fg-2); margin: 0 0 28px; line-height: var(--line-jp); }
.past-card a { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 13px; color: var(--accent); border-bottom: 1px solid var(--accent); padding-bottom: 2px; }
.past-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; align-self: center; }
.past-stat { padding: 24px 16px; border-left: 1px solid var(--line); }
.past-stat:first-child { border-left: 0; }
.past-stat .n { font-family: var(--en); font-size: clamp(44px, 4vw, 64px); font-weight: 700; line-height: 0.9; color: var(--accent); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.past-stat .l { font-family: var(--mono); font-size: 11px; color: var(--fg-3); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 8px; }
.past-stat .l a { color: inherit; border-bottom: 1px dotted var(--line-2); padding-bottom: 1px; transition: color .15s, border-color .15s; }
.past-stat .l a:hover { color: var(--accent); border-color: var(--accent); }

/* PAST ARCHIVE */
.past-archive { margin-top: 64px; padding-top: 48px; border-top: 1px solid var(--line); }
.archive-head { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 32px; margin-bottom: 40px; }
.archive-head .num { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 12px; }
.archive-head h3 { font-family: var(--jp); font-weight: 700; font-size: clamp(28px, 3.5vw, 40px); line-height: 1.18; letter-spacing: -.02em; margin: 0 0 10px; }
.archive-head h3 em { color: var(--accent); }
.archive-head .deck { font-family: var(--jp); color: var(--fg-2); max-width: 540px; margin: 0; font-size: 16px; line-height: var(--line-jp); }
.archive-head .head-cta { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.archive-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-2); }
.ar-row { display: grid; grid-template-columns: 168px 110px 1fr 96px; gap: 28px; padding: 18px 0; border-bottom: 1px solid var(--line); align-items: center; transition: background .2s; }
.ar-row:hover { background: color-mix(in oklch, var(--accent) 4%, transparent); }
.ar-thumb { position: relative; display: block; width: 168px; aspect-ratio: 16 / 9; border-radius: 4px; overflow: hidden; border: 1px solid var(--line-2); background: var(--bg-1); flex-shrink: 0; }
.ar-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .35s; }
.ar-thumb:hover img { transform: scale(1.04); }
.ar-thumb .ar-play { position: absolute; inset: 0; display: grid; place-items: center; color: var(--paper); font-size: 22px; text-shadow: 0 1px 8px rgba(0,0,0,.7); background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,.35)); opacity: .9; transition: opacity .2s; }
.ar-thumb:hover .ar-play { opacity: 1; }
.ar-meta { display: flex; flex-direction: column; gap: 8px; }
.ar-time { font-family: var(--mono); font-size: 14px; color: var(--fg-2); font-variant-numeric: tabular-nums; line-height: 1.3; }
.ar-time .dur { display: block; font-size: 10px; color: var(--fg-3); letter-spacing: .1em; text-transform: uppercase; margin-top: 3px; }
.ar-pill { font-family: var(--mono); font-size: 10px; color: var(--fg-3); border: 1px solid var(--line-2); padding: 3px 8px; border-radius: 4px; width: fit-content; letter-spacing: .08em; text-transform: uppercase; }
.ar-pill[data-t="K"]    { color: var(--accent);   border-color: color-mix(in oklch, var(--accent) 50%, var(--line-2)); }
.ar-pill[data-t="A"]    { color: var(--accent);   border-color: color-mix(in oklch, var(--accent) 50%, var(--line-2)); }
.ar-pill[data-t="B"]    { color: var(--accent-3); border-color: color-mix(in oklch, var(--accent-3) 50%, var(--line-2)); }
.ar-pill[data-t="LT"]   { color: var(--accent-2); border-color: color-mix(in oklch, var(--accent-2) 50%, var(--line-2)); }
.ar-pill[data-t="Comm"] { color: var(--accent-3); border-color: color-mix(in oklch, var(--accent-3) 50%, var(--line-2)); }
.ar-pill[data-t="—"]    { color: var(--fg-3); }
.ar-body { min-width: 0; }
.ar-time-inline { display: none; font-family: var(--mono); color: var(--accent); margin-right: 4px; }
.ar-title { font-family: var(--jp); font-weight: 500; font-size: 22px; line-height: 1.35; letter-spacing: -.01em; margin-bottom: 6px; text-wrap: pretty; }
.ar-desc { font-family: var(--jp); font-size: 14.5px; color: var(--fg-2); line-height: var(--line-jp); margin-bottom: 8px; text-wrap: pretty; }
.ar-by { font-family: var(--mono); font-size: 11px; color: var(--fg-2); letter-spacing: .04em; line-height: 1.5; }
.ar-by .org { color: var(--fg-3); }
.ar-watch { font-family: var(--mono); font-size: 12px; color: var(--accent); border: 1px solid color-mix(in oklch, var(--accent) 55%, var(--line-2)); padding: 9px 14px; border-radius: 999px; text-align: center; letter-spacing: .04em; transition: background .15s, color .15s, border-color .15s; white-space: nowrap; }
.ar-watch:hover { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

/* FOOTER */
footer.bot { padding: 100px 0 40px; }
.foot-mast { font-family: var(--jp); font-weight: 700; font-size: clamp(56px, 9vw, 160px); line-height: 0.9; letter-spacing: -0.03em; margin: 0 0 64px; }
.foot-mast em { color: var(--accent); }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 48px; padding-top: 48px; border-top: 1px solid var(--line-2); }
.foot-grid h4 { font-family: var(--mono); font-size: 12.5px; color: var(--fg-3); letter-spacing: 0.04em; margin: 0 0 16px; text-transform: uppercase; font-weight: 400; }
.foot-grid a { display: block; padding: 6px 0; color: var(--fg-2); font-size: 14px; }
.foot-grid a:hover { color: var(--accent); }
.foot-tag { font-family: var(--jp); font-weight: 500; font-size: 18px; color: var(--fg-2); line-height: var(--line-jp); }
.foot-bot { display: flex; justify-content: space-between; margin-top: 56px; font-family: var(--mono); font-size: 12px; color: var(--fg-3); padding-top: 24px; border-top: 1px solid var(--line); flex-wrap: wrap; gap: 8px; }

/* LEGAL PAGES */
.legal { padding: 64px 0 96px; }
.legal-head { border-bottom: 1px solid var(--line-2); padding-bottom: 32px; margin-bottom: 48px; }
.legal-head .num { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 18px; }
.legal-head h1 { font-family: var(--jp); font-weight: 700; font-size: clamp(36px, 6vw, 56px); line-height: 1.14; letter-spacing: -0.02em; margin: 0; word-break: normal; text-wrap: balance; }
.legal-head h1 em { color: var(--accent); }
.legal-head .meta { font-family: var(--mono); font-size: 12px; color: var(--fg-3); margin-top: 18px; letter-spacing: 0.04em; line-height: 1.6; }
.legal-body { max-width: 820px; }
.legal-body h2 { font-family: var(--jp); font-weight: 700; font-size: 28px; letter-spacing: -0.012em; line-height: 1.18; margin: 52px 0 16px; }
.legal-body > section:first-child h2 { margin-top: 0; }
.legal-body h3 { font-family: var(--jp); font-weight: 700; font-size: 20px; letter-spacing: -0.01em; line-height: 1.35; margin: 32px 0 12px; }
.legal-body p { font-family: var(--jp); font-size: 16px; line-height: var(--line-jp); color: var(--fg); margin: 0 0 18px; text-wrap: pretty; }
.legal-body a { color: var(--accent); border-bottom: 1px solid color-mix(in oklch, var(--accent) 50%, transparent); transition: border-color .15s; }
.legal-body a:hover { border-color: var(--accent); }
.legal-body ul, .legal-body ol { font-family: var(--jp); font-size: 16px; line-height: var(--line-jp); color: var(--fg); margin: 0 0 18px; padding-left: 22px; }
.legal-body li { margin-bottom: 6px; }
.legal-body strong { font-weight: 700; }
.legal-scroll { overflow-x: auto; margin: 0 0 24px; }
.legal-body table { width: 100%; border-collapse: collapse; font-size: 14px; }
.legal-body th, .legal-body td { text-align: left; padding: 10px 14px; border: 1px solid var(--line-2); vertical-align: top; font-family: var(--jp); line-height: 1.5; }
.legal-body th { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--fg-2); background: var(--bg-1); font-weight: 400; white-space: nowrap; }
.legal-body dl { margin: 0 0 24px; border-top: 1px solid var(--line); }
.legal-body dt { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-3); padding-top: 16px; }
.legal-body dd { margin: 5px 0 16px; font-family: var(--jp); font-size: 16px; line-height: var(--line-jp); padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.legal-note { font-family: var(--jp); font-size: 13px; color: var(--fg-2); background: var(--bg-1); border-left: 2px solid var(--accent); padding: 14px 18px; border-radius: 4px; margin: 24px 0; line-height: var(--line-jp); }
.legal-nav { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--line-2); }
.legal-nav a { font-family: var(--mono); font-size: 12px; color: var(--fg-2); border: 1px solid var(--line-2); padding: 8px 14px; border-radius: 999px; transition: color .15s, border-color .15s; }
.legal-nav a:hover { color: var(--accent); border-color: var(--accent); }

/* Responsive */
@media (max-width: 920px) {
  .container { padding: 0 24px; }
  .hero-grid, .venue-block, .past-card { grid-template-columns: 1fr; gap: 32px; }
  .past-card { padding: 28px; }
  .theme-read { grid-template-columns: 1fr; gap: 24px; }
  .theme-read .chapters { position: static; flex-direction: row; flex-wrap: wrap; gap: 8px; }
  .theme-read .chapters a { border-left: 0; border-bottom: 1px solid var(--line-2); padding: 6px 12px; }
  .sidenotes { display: none; }
  .theme-three, .sp-grid, .tt-summary { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .cd-strip { grid-template-columns: 1fr 1fr; }
  .cd-cell { padding: 14px 16px; }
  .date-stamp { display: none; }
  .section-mast { grid-template-columns: 1fr; }
  .section-mast .deck { max-width: none; }
  .sp-logo-card, .sp-tier[data-tier="gold"] .sp-logo-card { flex-basis: 100%; }
  .past-stats { grid-template-columns: repeat(2, 1fr); }
  .past-stat:nth-child(3) { border-left: 0; }
  .archive-head { grid-template-columns: 1fr; align-items: start; }
  .ar-row { grid-template-columns: 112px 1fr; gap: 14px; padding: 16px 0; }
  .ar-thumb { width: 112px; }
  .ar-meta { display: none; }
  .ar-body { grid-column: 2; }
  .ar-watch { grid-column: 2; justify-self: start; padding: 7px 12px; font-size: 11px; }
  .ar-time-inline { display: inline; }
  .ar-title { font-size: 17px; }
  .ar-desc { font-size: 13.5px; }
  .legal { padding: 40px 0 64px; }
  .legal-body { max-width: none; }
  .legal-body h2 { font-size: 24px; }
  .speakers-page { padding: 40px 0 64px; }
  .sp-detail { grid-template-columns: 1fr; gap: 24px; }
  .sp-detail-portrait { max-width: 220px; }
  .sp-detail-body h2 { font-size: 28px; }
}

@media (max-width: 760px) {
  .tt-grid { --tt-time-w: 64px; --tt-gap: 12px; }
  .tt-headrow { display: none; }
  .tt-block { grid-template-columns: var(--tt-time-w) 1fr; row-gap: 8px; }
  .tt-time { font-size: 16px; padding-top: 10px; }
  .tt-cell.a, .tt-cell.b { grid-column: 2; }
  .tt-cell.empty { display: none; }
  .tt-cell.common { grid-column: 2; }
  .tt-cell { min-height: 0; padding: 12px 14px; }
  .tt-cell h4 { font-size: 15px; }
}

/* ── Presentation viewer ───────────────────────── */
.presentation-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.presentation-hint {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.04em;
}
.presentation-download {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-2);
  border: 1px solid var(--line-2);
  padding: 8px 14px;
  border-radius: 999px;
  transition: color .15s, border-color .15s;
  margin-left: auto;
}
.presentation-download:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.presentation-deck {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto 1fr;
  gap: 12px;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: #1a1814;
  min-height: min(80vh, 900px);
}
.presentation-deck:fullscreen {
  border-radius: 0;
  border: 0;
  min-height: 100vh;
  padding: 20px;
}
.presentation-deck-chrome {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.presentation-page-indicator {
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 0.06em;
}
.presentation-fullscreen,
.presentation-nav {
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  padding: 8px 14px;
  border-radius: 999px;
  transition: color .15s, border-color .15s, background .15s;
}
.presentation-nav {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 999px;
  font-size: 18px;
  line-height: 1;
}
.presentation-fullscreen:hover,
.presentation-nav:hover:not(:disabled) {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.12);
}
.presentation-nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.presentation-slide {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: min(68vh, 760px);
  width: 100%;
}
.presentation-deck:fullscreen .presentation-slide {
  min-height: calc(100vh - 120px);
}
.presentation-slide canvas {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
}
.presentation-status {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
  pointer-events: none;
}
.presentation-deck:not(.is-loading) [data-presentation-loading],
.presentation-deck:not(.is-error) [data-presentation-error] {
  display: none;
}
.presentation-status-error {
  color: #ffb4b4;
}
.presentation-deck.is-rendering .presentation-slide {
  opacity: 0.92;
}
.presentation-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.presentation-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 24px;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  background: var(--bg-1);
  transition: border-color .15s, background .15s;
}
.presentation-card:hover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 4%, var(--bg-1));
}
.presentation-card-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}
.presentation-card-meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-3);
  letter-spacing: 0.04em;
}

/* ── Session detail page ───────────────────────── */
.tt-cell-link {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: opacity .15s ease;
}
.tt-cell-link:hover { opacity: .75; }

.session-detail {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.session-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 20px 24px;
  background: var(--surface-2, #f5f5f0);
  border-radius: 8px;
}
.session-time {
  font-family: var(--mono, 'JetBrains Mono', monospace);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -.02em;
}
.session-dur {
  font-size: 13px;
  color: var(--text-2, #666);
  background: var(--surface-3, #e8e8e3);
  padding: 2px 8px;
  border-radius: 4px;
}
.session-track {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 3px 10px;
  border-radius: 4px;
}
.session-track.track-a {
  background: #e8f0fe;
  color: #1a5fe8;
}
.session-track.track-b {
  background: #e8f8f0;
  color: #1a7e48;
}
.session-tags { display: flex; flex-wrap: wrap; gap: 6px; }

.session-materials {
  margin: 0;
}
.session-materials a {
  display: inline-flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  border: 1px solid color-mix(in oklch, var(--accent) 35%, transparent);
  padding: 8px 14px;
  border-radius: 999px;
  transition: color .15s, border-color .15s, background .15s;
}
.session-materials a:hover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.session-tbd {
  padding: 24px;
  border: 1.5px dashed var(--border, #ccc);
  border-radius: 8px;
  color: var(--text-2, #666);
}

.session-speaker h2,
.session-speaker-name h2 {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-2, #888);
  margin-bottom: 20px;
}

.session-body {
  max-width: 720px;
  line-height: 1.75;
}
.session-body h2 {
  font-size: 20px;
  font-weight: 700;
  margin: 32px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border, #e0e0e0);
}
.session-body p { margin: 0 0 16px; }
.session-body ul,
.session-body ol {
  margin: 0 0 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.session-body strong { font-weight: 700; }

@media (max-width: 760px) {
  .session-meta-bar { padding: 14px 16px; gap: 8px; }
  .session-time { font-size: 18px; }
}

/* ── Blog: event summary card ──────────────────── */
.blog-event {
  border: 1px solid var(--line-2);
  border-radius: 10px;
  padding: 24px 28px;
  background: var(--accent-grad-soft);
}
.blog-event-head { margin-bottom: 20px; }
.blog-event-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.blog-event-theme {
  font-family: var(--jp);
  font-weight: 700;
  font-size: clamp(20px, 3.5vw, 26px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 8px 0 0;
}
.blog-event-meta {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.blog-event-row dt {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.blog-event-row dd {
  margin: 0;
  font-family: var(--jp);
  font-size: 18px;
  line-height: 1.2;
  font-weight: 600;
}
.blog-event-row dd .small {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  font-weight: 400;
  color: var(--fg-2);
  letter-spacing: 0;
}
.blog-event-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.blog-event-links a {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--accent);
  letter-spacing: 0.02em;
}
.blog-event-links a:hover { opacity: 0.7; }

@media (max-width: 920px) {
  .blog-event { padding: 20px; }
  .blog-event-meta { grid-template-columns: 1fr; gap: 14px; }
}

/* ── Tickets / Registration page ───────────────── */
.tickets-page { padding: 64px 0 96px; }
.tickets-head { border-bottom: 1px solid var(--line-2); padding-bottom: 40px; margin-bottom: 56px; }
.tickets-head .num { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 18px; }
.tickets-head h1 { font-family: var(--jp); font-weight: 700; font-size: clamp(36px, 6vw, 56px); line-height: 1.14; letter-spacing: -0.02em; margin: 0; }
.tickets-head h1 em { background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.tickets-head .deck { font-family: var(--jp); font-size: 18px; color: var(--fg-2); line-height: var(--line-jp); max-width: 720px; margin: 24px 0 0; text-wrap: pretty; }
.tickets-meta { display: flex; flex-wrap: wrap; gap: 16px 56px; margin: 32px 0 0; }
.tickets-meta div { display: grid; grid-template-columns: 64px 1fr; gap: 16px; }
.tickets-meta dt { font-family: var(--mono); font-size: 12px; color: var(--fg-3); text-transform: uppercase; letter-spacing: 0.04em; padding-top: 4px; }
.tickets-meta dd { margin: 0; font-family: var(--jp); font-size: 20px; line-height: 1.2; font-weight: 500; }
.tickets-meta dd .small { font-family: var(--jp); font-size: 13px; color: var(--fg-2); display: block; margin-top: 4px; font-weight: 400; }

.ticket-tiers { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 72px; }
.ticket-tier {
  position: relative;
  background: var(--bg-1);
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 32px 30px;
  display: flex; flex-direction: column;
}
.ticket-tier.featured { border-color: var(--accent); box-shadow: 0 16px 40px -24px rgba(124, 58, 237, .55); }
.ticket-badge {
  position: absolute; top: -12px; left: 24px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--accent-grad); color: var(--accent-ink);
  padding: 5px 12px; border-radius: 999px;
  box-shadow: 0 8px 20px -10px rgba(124, 58, 237, .6);
}
.ticket-tier-top { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; padding-bottom: 18px; border-bottom: 1px solid var(--line); margin-bottom: 18px; }
.ticket-tier-top .kind { font-family: var(--jp); font-weight: 700; font-size: 19px; letter-spacing: -0.01em; line-height: 1.4; }
.ticket-tier-top .price { display: flex; align-items: baseline; gap: 6px; white-space: nowrap; }
.ticket-tier-top .price em { font-family: var(--en); font-weight: 700; font-size: 34px; letter-spacing: -0.02em; color: var(--accent); font-variant-numeric: tabular-nums; }
.ticket-tier-top .price .tax { font-family: var(--mono); font-size: 11px; color: var(--fg-3); letter-spacing: 0.04em; }
.ticket-tier-lead { font-family: var(--jp); font-size: 15px; color: var(--fg-2); line-height: var(--line-jp); margin: 0 0 18px; text-wrap: pretty; }
.ticket-feats { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.ticket-feats li { font-family: var(--jp); font-size: 14.5px; color: var(--fg); line-height: 1.5; padding-left: 24px; position: relative; }
.ticket-feats li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--accent); font-weight: 700; }
.ticket-tier-cta { margin-top: auto; padding-top: 24px; }
.ticket-tier-cta stripe-buy-button { display: block; }

.ticket-note { font-family: var(--jp); font-size: 13px; color: var(--fg-2); line-height: var(--line-jp); background: var(--bg-1); border-left: 2px solid var(--accent); padding: 16px 18px; border-radius: 4px; max-width: 720px; margin-top: 40px; }
.ticket-note a { color: var(--accent); border-bottom: 1px solid color-mix(in oklch, var(--accent) 50%, transparent); }
.ticket-note a:hover { border-color: var(--accent); }

@media (max-width: 920px) {
  .tickets-page { padding: 40px 0 64px; }
  .ticket-tiers { grid-template-columns: 1fr; gap: 28px; }
  .tickets-head h1 { font-size: clamp(32px, 9vw, 44px); }
}

/* ── Blog ──────────────────────────────────────── */
.session-tags .tag,
.blog-card-tags .tag {
  display: inline-block; padding: 2px 9px;
  font-size: 11px; font-weight: 500;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  color: var(--fg-3);
  font-family: var(--mono);
  font-feature-settings: "tnum" 1;
}

.blog-list { display: flex; flex-direction: column; gap: 4px; max-width: 820px; }
.blog-card { border-bottom: 1px solid var(--line); }
.blog-card-link {
  display: block;
  padding: 28px 4px;
  transition: background-color .15s;
}
.blog-card-link:hover { background: var(--bg-1); }
.blog-card-link:hover .blog-card-title { color: var(--accent); }
.blog-card-date { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 10px; }
.blog-card-title { font-family: var(--jp); font-weight: 700; font-size: 24px; letter-spacing: -0.015em; line-height: 1.3; margin: 0; transition: color .15s; }
.blog-card-excerpt { font-family: var(--jp); font-size: 15px; color: var(--fg-2); line-height: var(--line-jp); margin: 12px 0 0; text-wrap: pretty; }
.blog-card-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-top: 16px; }
.blog-card-author { font-family: var(--mono); font-size: 11px; color: var(--fg-3); letter-spacing: 0.04em; }
.blog-card-tags { display: flex; flex-wrap: wrap; gap: 6px; }

@media (max-width: 760px) {
  .blog-card-title { font-size: 20px; }
}

/* PORTRAIT IMAGES (SSR: plain <img> が親の枠いっぱいに収まるように) */
.sp-portrait img,
.sp-detail-portrait img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}

/* ── Photos ────────────────────────────────────── */
.photos-page { padding: 64px 0 96px; }
.photos-lead {
  font-family: var(--jp);
  font-size: 16px;
  color: var(--fg-2);
  line-height: var(--line-jp);
  max-width: 560px;
  margin: 22px 0 0;
  text-wrap: pretty;
}
.photo-grid {
  columns: 3;
  column-gap: 12px;
}
.photo-item {
  display: block;
  width: 100%;
  margin: 0 0 12px;
  padding: 0;
  border: 0;
  background: var(--bg-1);
  break-inside: avoid;
  cursor: zoom-in;
  overflow: hidden;
  transition: opacity .2s ease, transform .25s ease;
}
.photo-item img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
  transition: transform .45s ease;
}
.photo-item:hover img { transform: scale(1.03); }
.photo-item:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.photo-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 72px 64px 40px;
  background: rgba(14, 18, 25, .88);
  backdrop-filter: blur(8px);
  animation: photo-fade-in .2s ease;
}
/* class の display:grid が UA の [hidden]{display:none} を潰すので明示する */
.photo-lightbox[hidden] {
  display: none !important;
}
@keyframes photo-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
.photo-lightbox-chrome {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}
.photo-lightbox-count {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, .7);
}
.photo-lightbox-close {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, .28);
  transition: border-color .15s, background .15s;
}
.photo-lightbox-close:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, .08);
}
.photo-lightbox-img {
  max-width: min(1100px, 100%);
  max-height: calc(100vh - 120px);
  width: auto;
  height: auto;
  object-fit: contain;
  box-shadow: 0 24px 64px -24px rgba(0, 0, 0, .55);
  animation: photo-pop .28s ease;
}
@keyframes photo-pop {
  from { opacity: 0; transform: translateY(8px) scale(.985); }
  to { opacity: 1; transform: none; }
}
.photo-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 18px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .28);
  background: rgba(0, 0, 0, .2);
  transition: border-color .15s, background .15s;
}
.photo-lightbox-nav:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, .1);
}
.photo-lightbox-nav.prev { left: 16px; }
.photo-lightbox-nav.next { right: 16px; }

@media (max-width: 920px) {
  .photos-page { padding: 40px 0 64px; }
  .photo-grid { columns: 2; column-gap: 8px; }
  .photo-item { margin-bottom: 8px; }
  .photo-lightbox { padding: 64px 16px 24px; }
  .photo-lightbox-nav { width: 40px; height: 40px; font-size: 16px; }
  .photo-lightbox-nav.prev { left: 8px; }
  .photo-lightbox-nav.next { right: 8px; }
}
@media (max-width: 520px) {
  .photo-grid { columns: 1; }
}