:root {
  --indigo: #1f296a;
  --indigo-dark: #151d55;
  --blue: #0069a0;
  --orange: #eb6100;
  --green: #00af84;
  --gold: #f4c542;
  --paper: #ffffff;
  --mist: #f3f5fa;
  --sky-mist: #eaf5fb;
  --ink: #171c3f;
  --muted: #5a6283;
  --line: #d9deee;
  --focus: #f4c542;
  --shadow: 0 16px 40px rgba(31, 41, 106, 0.12);
  --display: "Bebas Neue", Impact, "Arial Narrow", sans-serif;
  --body: "Inter", "Noto Sans JP", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

button {
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--paper);
  color: var(--indigo);
  font-weight: 700;
  transform: translateY(-180%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(360px, 44%) 1fr;
  min-height: 560px;
  overflow: hidden;
  background: var(--indigo);
  color: var(--paper);
}

.hero__copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: clamp(42px, 7vw, 92px) clamp(28px, 6vw, 84px);
  background:
    radial-gradient(circle at 85% 10%, rgba(63, 169, 245, 0.22), transparent 30%),
    linear-gradient(145deg, var(--indigo) 0%, var(--indigo-dark) 100%);
}

.hero__copy::after {
  content: "";
  position: absolute;
  inset: 0 0 0 auto;
  width: 5px;
  background: var(--orange);
}

.hero__image {
  position: relative;
  isolation: isolate;
  min-height: 440px;
  overflow: hidden;
  background: var(--indigo-dark);
}

.hero-past-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  filter: saturate(1.08) contrast(0.98) brightness(0.9);
  object-fit: cover;
  object-position: center;
}

.hero__image::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(125deg, rgba(31, 41, 106, 0.38), rgba(0, 105, 160, 0.03) 52%, rgba(235, 97, 0, 0.22)),
    radial-gradient(circle at 52% 45%, transparent 0 36%, rgba(21, 29, 85, 0.38) 80%);
}

.hero-face-grid {
  position: absolute;
  z-index: 2;
  inset: 0;
  overflow: hidden;
}

.hero-face-node {
  --category: var(--gold);
  position: absolute;
  width: clamp(76px, 9vw, 126px);
  aspect-ratio: 1;
}

.hero-face-node::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: 50%;
  left: 78%;
  width: 150px;
  height: 2px;
  transform: rotate(20deg);
  transform-origin: left;
  background: linear-gradient(90deg, rgba(244, 197, 66, 0.75), rgba(244, 197, 66, 0.06));
}

.hero-face-node::after {
  content: "";
  position: absolute;
  z-index: 3;
  top: 2%;
  right: 9%;
  width: 10px;
  height: 10px;
  border: 2px solid rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 18px 5px rgba(244, 197, 66, 0.72);
}

.hero-face-node img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  border: 5px solid var(--category);
  border-radius: 50%;
  background: var(--mist);
  object-fit: cover;
  box-shadow:
    0 0 0 3px rgba(255, 255, 255, 0.82),
    0 18px 34px rgba(21, 29, 85, 0.38);
}

.hero-face-node--1 { top: 4%; left: 2%; }
.hero-face-node--2 { top: 2%; left: 23%; }
.hero-face-node--3 { top: 5%; right: 24%; }
.hero-face-node--4 { top: 2%; right: 2%; }
.hero-face-node--5 { top: 38%; left: 1%; }
.hero-face-node--6 { top: 39%; right: 1%; }
.hero-face-node--7 { bottom: 2%; left: 3%; }
.hero-face-node--8 { bottom: 3%; left: 23%; }
.hero-face-node--9 { bottom: 1%; left: 43%; }
.hero-face-node--10 { bottom: 3%; right: 23%; }
.hero-face-node--11 { bottom: 2%; right: 3%; }
.hero-face-node--12 { top: 21%; right: 28%; width: 94px; }

.hero-face-node--2::before { left: 6%; width: 132px; transform: rotate(155deg); }
.hero-face-node--3::before { top: 85%; left: 58%; width: 138px; transform: rotate(55deg); }
.hero-face-node--4::before { top: 76%; left: 8%; width: 128px; transform: rotate(150deg); }
.hero-face-node--5::before { top: 14%; left: 74%; width: 168px; transform: rotate(-34deg); }
.hero-face-node--6::before { top: 22%; left: 72%; width: 118px; transform: rotate(-28deg); }
.hero-face-node--7::before { display: none; }

.brand-logo {
  width: clamp(190px, 22vw, 290px);
  height: auto;
  margin-bottom: clamp(36px, 8vh, 72px);
}

.brand-link { display: inline-block; width: max-content; }
.brand-link .brand-logo { margin-bottom: 0; }
.brand-link { margin-bottom: clamp(36px, 8vh, 72px); }

.event-series {
  margin: 0 0 4px;
  color: #9edcff;
  font-size: clamp(0.78rem, 1.1vw, 0.95rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2 {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 0.95;
  text-transform: uppercase;
}

h1 {
  max-width: 8ch;
  margin: 0;
  color: var(--paper);
  font-size: clamp(4.25rem, 5.8vw, 5.75rem);
  text-shadow: 0 3px 22px rgba(21, 29, 85, 0.68);
}

h2 {
  margin: 0;
  color: var(--indigo);
  font-size: clamp(3rem, 6vw, 5.25rem);
}

.title-rule {
  width: 64px;
  height: 5px;
  margin: 24px 0 16px;
  background: var(--green);
}

.event-meta {
  max-width: 34ch;
  margin: 2px 0;
  font-size: clamp(1rem, 1.7vw, 1.22rem);
  line-height: 1.4;
}

.constellation {
  position: absolute;
  width: 110px;
  height: 90px;
  pointer-events: none;
  opacity: 0.35;
  background:
    radial-gradient(circle at 8px 10px, #fff 0 2px, transparent 3px),
    radial-gradient(circle at 50px 32px, #fff 0 2px, transparent 3px),
    radial-gradient(circle at 92px 8px, #fff 0 2px, transparent 3px),
    radial-gradient(circle at 78px 72px, #fff 0 2px, transparent 3px);
}

.constellation::before,
.constellation::after {
  content: "";
  position: absolute;
  left: 10px;
  top: 12px;
  width: 84px;
  height: 1px;
  transform: rotate(22deg);
  transform-origin: left;
  background: rgba(255, 255, 255, 0.65);
}

.constellation::after {
  left: 50px;
  top: 34px;
  width: 56px;
  transform: rotate(66deg);
}

.constellation--one {
  top: 11%;
  right: 12%;
}

.constellation--two {
  right: 34%;
  bottom: 8%;
  transform: rotate(18deg) scale(0.7);
}

.day-nav {
  min-height: 70px;
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(31, 41, 106, 0.15);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 30px rgba(31, 41, 106, 0.08);
  backdrop-filter: blur(14px);
}

.day-tabs {
  min-height: 70px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(100% - 32px, 640px);
  margin: 0 auto;
  padding: 8px 0;
  gap: 8px;
}

.day-tab {
  min-height: 52px;
  padding: 7px 14px;
  border: 2px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
  line-height: 1.2;
}

.day-tab span {
  display: block;
  margin-top: 2px;
  font-size: 0.75rem;
  font-weight: 500;
}

.day-tab[aria-selected="true"] {
  border-color: var(--indigo);
  background: var(--indigo);
  color: var(--paper);
}

.section-shell {
  width: min(100% - 32px, 1180px);
  margin: 0 auto;
}

.section-shell--narrow {
  width: min(100% - 32px, 980px);
}

.now-section {
  padding: 42px 0 46px;
  background: var(--sky-mist);
}

.now-heading,
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.section-kicker {
  margin: 0 0 7px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.now-heading h2 {
  font-size: clamp(2.7rem, 5vw, 4.3rem);
}

.venue-clock {
  color: var(--indigo);
  font-family: var(--display);
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  letter-spacing: 0.04em;
  line-height: 1;
}

.now-panel {
  min-height: 220px;
  margin-top: 20px;
  border-top: 5px solid var(--gold);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.now-panel--sessions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--line);
}

.now-panel--sessions > .now-empty {
  grid-column: 1 / -1;
  background: var(--paper);
}

.now-row {
  --category: var(--blue);
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 215px;
  padding: 18px;
  background: var(--paper);
}

.now-room {
  align-self: flex-start;
  margin-bottom: 16px;
  padding: 5px 9px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--category) 17%, white);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.now-content {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  min-width: 0;
}

.now-avatars {
  display: flex;
  flex: 0 0 76px;
  min-width: 76px;
}

.now-avatar {
  width: 72px;
  height: 72px;
  border: 4px solid var(--category);
  border-radius: 50%;
  background: var(--mist);
  object-fit: cover;
  box-shadow: 0 0 0 3px var(--paper);
}

.now-avatar + .now-avatar {
  margin-left: -42px;
  transform: translate(34px, 34px);
}

.now-copy {
  min-width: 0;
}

.now-session {
  display: block;
  min-width: 0;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.35;
}

.now-speaker,
.now-time {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.4;
}

.now-speaker {
  color: var(--ink);
  font-weight: 600;
}

.now-time {
  font-weight: 500;
}

.now-empty,
.loading-message,
.error-message {
  margin: 0;
  padding: 20px;
  color: var(--muted);
}

.error-message {
  border: 2px solid #b42e2e;
  background: #fff4f4;
  color: #781d1d;
  font-weight: 600;
}

.schedule-section {
  padding: clamp(60px, 8vw, 104px) 0;
  background: var(--paper);
}

.section-heading {
  margin-bottom: 32px;
}

.section-heading > p,
.schedule-date {
  max-width: 32ch;
  margin: 0 0 8px;
  color: var(--muted);
}

.schedule-date {
  font-weight: 700;
  text-align: right;
}

.filter-panel {
  margin-bottom: 44px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--mist);
}

.filter-panel__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.filter-panel h3 {
  margin: 0;
  color: var(--indigo);
  font-size: 1.1rem;
}

.filter-help {
  margin: 4px 0 14px;
  color: var(--muted);
  font-size: 0.9rem;
}

.clear-filters {
  min-height: 42px;
  padding: 6px 12px;
  border: 0;
  background: transparent;
  color: var(--blue);
  cursor: pointer;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.filter-chip {
  --category: var(--blue);
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 8px 13px;
  border: 2px solid var(--category);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 700;
}

.filter-chip::before {
  content: "";
  width: 10px;
  height: 10px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--category);
}

.filter-chip[aria-pressed="true"] {
  background: color-mix(in srgb, var(--category) 18%, white);
  box-shadow: inset 0 0 0 1px var(--category);
}

.filter-chip[aria-pressed="true"]::after {
  content: "✓";
  margin-left: 7px;
}

.timeline {
  outline: none;
}

.time-group {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 28px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.time-group:first-child {
  padding-top: 0;
  border-top: 0;
}

.time-label {
  position: sticky;
  top: 86px;
  align-self: start;
  margin: 0;
  color: var(--indigo);
  font-family: var(--display);
  font-size: 2.15rem;
  letter-spacing: 0.035em;
  line-height: 1;
}

.time-label span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-family: var(--body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0;
}

.session-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  min-width: 0;
}

.session-grid--workshops {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.workshop-block {
  display: grid;
  grid-template-columns: 120px repeat(3, minmax(0, 1fr));
  gap: 28px 14px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.workshop-block .time-group,
.workshop-block .session-grid {
  display: contents;
}

.workshop-block .time-label {
  grid-column: 1;
  grid-row: var(--slot-row);
}

.workshop-block .session-card {
  grid-row: var(--slot-row);
}

.workshop-block .session-card--room-A {
  grid-column: 2;
}

.workshop-block .session-card--room-B {
  grid-column: 3;
}

.workshop-block .session-card--room-G {
  grid-column: 4;
}

.workshop-block .session-card--spanning {
  z-index: 1;
  grid-row: var(--slot-row) / span 2;
}

.session-card {
  --category: var(--indigo);
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 100%;
  padding: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-left: 6px solid var(--category);
  border-radius: 4px 18px 18px 4px;
  background: var(--paper);
  box-shadow: 0 9px 26px rgba(31, 41, 106, 0.08);
  transition: opacity 160ms ease, transform 160ms ease;
  scroll-margin-top: 96px;
}

.session-card--plenary,
.session-card--evening {
  padding: clamp(22px, 4vw, 32px);
  border-color: transparent;
  border-left-color: var(--category);
  background:
    radial-gradient(circle at 92% 4%, rgba(63, 169, 245, 0.2), transparent 31%),
    var(--indigo);
  color: var(--paper);
}

.session-card--evening {
  background:
    radial-gradient(circle at 94% 8%, rgba(244, 197, 66, 0.18), transparent 30%),
    var(--indigo-dark);
}

.session-card--soon {
  border: 2px dashed var(--category);
  background: color-mix(in srgb, var(--category) 7%, white);
  box-shadow: none;
}

.session-card.is-muted {
  opacity: 0.28;
}

.session-card.is-filter-match {
  transform: translateY(-2px);
}

.room-label {
  margin: 0 0 15px;
  color: var(--blue);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.095em;
}

.session-card--plenary .room-label,
.session-card--evening .room-label {
  color: #9edcff;
}

.soon-badge {
  align-self: flex-start;
  margin: -3px 0 13px;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--category);
  color: var(--indigo-dark);
  font-size: 0.73rem;
  font-weight: 800;
}

.session-duration {
  align-self: flex-start;
  margin: -5px 0 16px;
  padding: 5px 9px;
  border: 1px solid color-mix(in srgb, var(--category) 60%, white);
  border-radius: 999px;
  background: color-mix(in srgb, var(--category) 10%, white);
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 800;
}

.session-avatars {
  display: flex;
  align-items: center;
  min-height: 84px;
  margin-bottom: 18px;
  padding-left: 3px;
}

.session-avatar {
  width: 82px;
  height: 82px;
  margin-left: -16px;
  border: 4px solid var(--category);
  border-radius: 50%;
  background: var(--mist);
  object-fit: cover;
  box-shadow: 0 0 0 3px var(--paper);
}

.session-avatar:first-child {
  margin-left: 0;
}

.session-card--plenary .session-avatar,
.session-card--evening .session-avatar {
  box-shadow: 0 0 0 3px var(--indigo);
}

.session-title {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.08rem, 2vw, 1.32rem);
  line-height: 1.3;
}

.session-card--plenary .session-title,
.session-card--evening .session-title {
  color: var(--paper);
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
}

.session-who {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.session-card--plenary .session-who,
.session-card--evening .session-who {
  color: #e6e9f9;
}

.session-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 20px;
}

.category-chip {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 6px 10px;
  border: 1px solid var(--category);
  border-radius: 999px;
  background: color-mix(in srgb, var(--category) 16%, white);
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1.25;
}

.book-link {
  color: var(--blue);
  font-size: 0.86rem;
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.session-card--plenary .book-link,
.session-card--evening .book-link {
  color: var(--gold);
}

.cocreators-section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(66px, 9vw, 112px) 0;
  background: var(--indigo);
  color: var(--paper);
}

.cocreators-photo {
  position: absolute;
  z-index: -2;
  inset: 0 0 0 54%;
  background: url("../assets/Woven_Ground_Photo_web.jpg") center / cover no-repeat;
  opacity: 0.21;
}

.cocreators-section::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(90deg, var(--indigo) 42%, rgba(31, 41, 106, 0.66) 100%);
}

.section-heading--light h2,
.section-heading--light p,
.section-heading--light .section-kicker {
  color: var(--paper);
}

.section-heading--light .section-kicker {
  color: #9edcff;
}

.speaker-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 34px 22px;
}

.speaker-card {
  --category: #9edcff;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--paper);
  cursor: pointer;
  text-align: center;
}

.speaker-portrait {
  position: relative;
  width: min(100%, 168px);
  aspect-ratio: 1;
  margin-bottom: 13px;
}

.speaker-portrait img {
  position: absolute;
  width: 84%;
  height: 84%;
  top: 8%;
  left: 8%;
  border: 4px solid var(--category);
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.12);
  transition: transform 160ms ease;
}

.speaker-portrait--multi img:first-child {
  left: 0;
}

.speaker-portrait--multi img:nth-child(2) {
  top: 20%;
  left: 28%;
}

.speaker-card:hover .speaker-portrait img,
.speaker-card:focus-visible .speaker-portrait img {
  transform: translateY(-3px);
}

.speaker-name {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.32;
}

.speaker-session {
  display: block;
  margin-top: 5px;
  color: #bcc6ee;
  font-size: 0.74rem;
  line-height: 1.35;
}

.map-section {
  padding: clamp(64px, 8vw, 104px) 0;
  background: var(--mist);
}

.map-help {
  margin: -14px 0 24px;
  color: var(--muted);
}

.text-link {
  color: var(--blue);
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.map-frame-wrap {
  min-height: 580px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.map-frame-wrap iframe {
  display: block;
  width: 100%;
  height: 680px;
  border: 0;
  background: var(--paper);
}

.site-footer {
  position: relative;
  padding: 58px 0 30px;
  background: var(--indigo-dark);
  color: var(--paper);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.9fr 1.2fr;
  gap: 44px;
}

.footer-logo {
  width: 180px;
  height: auto;
}

.footer-note,
.footer-info p {
  color: #c7cdef;
}

.footer-note {
  margin: 18px 0 0;
}

.footer-info p {
  margin: 0 0 14px;
}

.footer-info strong {
  color: var(--gold);
}

.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

.footer-links a {
  color: var(--paper);
  font-weight: 700;
  text-decoration-color: var(--green);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.back-to-top {
  display: block;
  width: max-content;
  margin: 42px auto 0;
  color: #c7cdef;
  font-size: 0.88rem;
}

.noscript-message {
  position: fixed;
  z-index: 100;
  right: 12px;
  bottom: 12px;
  left: 12px;
  padding: 14px;
  border: 2px solid var(--gold);
  background: var(--paper);
  color: var(--indigo);
  font-weight: 700;
  text-align: center;
}

@media (max-width: 900px) {
  .hero {
    display: block;
    min-height: 520px;
  }

  .hero__copy {
    min-height: 520px;
    padding: 44px max(24px, env(safe-area-inset-left)) 42px;
    background: linear-gradient(90deg, rgba(21, 29, 85, 0.98) 0%, rgba(31, 41, 106, 0.86) 54%, rgba(31, 41, 106, 0.28) 100%);
  }

  .hero__copy::after {
    inset: auto 0 0;
    width: auto;
    height: 5px;
  }

  .hero__image {
    position: absolute;
    inset: 0;
    min-height: 0;
  }

  .hero-past-photo {
    object-position: 61% center;
  }

  .brand-logo {
    width: 210px;
    margin-bottom: 54px;
  }

  .session-grid--workshops {
    grid-template-columns: minmax(0, 1fr);
  }

  .workshop-block {
    display: block;
    padding: 0;
    border-top: 0;
  }

  .workshop-block .time-group {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 28px;
    padding: 28px 0;
    border-top: 1px solid var(--line);
  }

  .workshop-block .session-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .workshop-block .time-label,
  .workshop-block .session-card,
  .workshop-block .session-card--spanning {
    grid-row: auto;
    grid-column: auto;
  }

  .workshop-block .session-card--spanning {
    min-height: 300px;
  }

  .speaker-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-info {
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  html {
    scroll-padding-top: 82px;
  }

  .hero,
  .hero__copy {
    min-height: 470px;
  }

  .hero__copy {
    justify-content: flex-start;
    padding-top: 34px;
    background: linear-gradient(90deg, rgba(21, 29, 85, 0.99) 0%, rgba(31, 41, 106, 0.84) 62%, rgba(31, 41, 106, 0.24) 100%);
  }

  .brand-logo {
    width: 172px;
    margin-bottom: 54px;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(3.4rem, 17vw, 4.6rem);
  }

  .event-series {
    font-size: 0.72rem;
  }

  .event-meta {
    max-width: 27ch;
    font-size: 1rem;
  }

  .constellation--one {
    top: 8%;
    right: 4%;
  }

  .constellation--two {
    display: none;
  }

  .day-tabs,
  .section-shell,
  .section-shell--narrow {
    width: min(100% - 24px, 1180px);
  }

  .day-tab {
    min-height: 54px;
    padding-right: 8px;
    padding-left: 8px;
    font-size: 0.92rem;
  }

  .now-section {
    padding: 34px 0 36px;
  }

  .now-heading,
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .venue-clock {
    position: absolute;
    right: 13px;
    font-size: 2.3rem;
  }

  .now-heading {
    position: relative;
  }

  .now-row {
    min-height: 0;
    padding: 16px;
  }

  .schedule-section {
    padding: 62px 0 72px;
  }

  .schedule-date {
    text-align: left;
  }

  .filter-panel {
    margin: 0 -2px 34px;
    padding: 17px 14px;
    border-radius: 14px;
  }

  .filter-chip {
    min-height: 44px;
    padding: 7px 11px;
    font-size: 0.8rem;
  }

  .time-group {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    padding: 24px 0;
  }

  .workshop-block .time-group {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    padding: 24px 0;
  }

  .time-label {
    position: static;
    display: flex;
    align-items: baseline;
    gap: 10px;
    font-size: 2rem;
  }

  .time-label span {
    display: inline;
    margin: 0;
  }

  .session-card,
  .session-card--plenary,
  .session-card--evening {
    padding: 18px;
  }

  .session-card.is-filter-match {
    transform: none;
  }

  .session-avatar {
    width: 72px;
    height: 72px;
  }

  .speaker-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px 14px;
  }

  .speaker-portrait {
    width: min(100%, 148px);
  }

  .cocreators-photo {
    inset: 46% 0 0 20%;
    opacity: 0.15;
  }

  .cocreators-section::after {
    background: linear-gradient(180deg, var(--indigo) 34%, rgba(31, 41, 106, 0.82) 100%);
  }

  .map-frame-wrap {
    min-height: 480px;
    margin: 0 -4px;
    border-radius: 12px;
  }

  .map-frame-wrap iframe {
    height: 540px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-info {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .day-nav,
  .now-section,
  .filter-panel,
  .cocreators-section,
  .map-section,
  .site-footer {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero__image {
    display: none;
  }

  .hero__copy {
    padding: 24px;
  }

  .schedule-section {
    padding: 24px 0;
  }

  .time-label {
    position: static;
  }

  .session-card {
    break-inside: avoid;
    box-shadow: none;
  }
}

/* The program is the live guide: time, room, and booking remain visible together. */
.program-clock-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: -10px 0 28px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--indigo);
  font-weight: 700;
}

.program-clock-line button,
.access-actions button,
.access-actions a,
.copy-code {
  min-height: 44px;
  padding: 9px 14px;
  border: 2px solid var(--indigo);
  border-radius: 8px;
  background: var(--paper);
  color: var(--indigo);
  cursor: pointer;
  font-weight: 800;
  text-decoration: none;
}

.program-search {
  display: block;
  width: 100%;
  min-height: 52px;
  margin-top: 14px;
  padding: 11px 14px;
  border: 2px solid #8a96bd;
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.program-search::placeholder { color: #596488; opacity: 1; }
.filter-help { font-size: 1rem; }
.filter-chip { font-size: 1rem; }
.before-program {
  margin: 0 0 26px;
  padding: 17px 20px;
  border-left: 5px solid var(--blue);
  background: var(--sky-mist);
  color: var(--indigo);
}

.time-group { grid-template-columns: 150px minmax(0, 1fr); }
.workshop-block { grid-template-columns: 150px repeat(3, minmax(0, 1fr)); }
.time-label { font-size: 1.85rem; white-space: nowrap; }
.time-label span { white-space: normal; font-size: 0.85rem; }
.session-card { padding: 21px; }
.session-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  min-height: 34px;
  margin-bottom: 17px;
}
.room-label { margin: 0; font-size: 0.88rem; }
.category-chip {
  flex: 0 1 auto;
  max-width: 56%;
  padding: 4px 8px;
  font-size: 0.82rem;
  font-weight: 700;
  text-align: right;
}
.session-avatars { min-height: 98px; margin-bottom: 16px; }
.session-avatar { width: 96px; height: 96px; }
.session-who { font-size: 1rem; }
.session-footer { padding-top: 22px; }
.book-link,
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 11px 18px;
  border: 0;
  border-radius: 8px;
  background: var(--gold);
  color: var(--indigo-dark) !important;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
}
.session-card--workshop .book-link { width: 100%; }
.partner-logo {
  width: 140px;
  height: auto;
  margin: 0 0 16px;
  padding: 3px;
  border-radius: 4px;
  background: #fff;
}
.session-card.is-current {
  z-index: 2;
  border: 3px solid var(--orange);
  box-shadow: 0 0 0 5px rgba(235, 97, 0, 0.18), 0 14px 30px rgba(31, 41, 106, 0.2);
  opacity: 1;
}
.current-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--orange);
  color: #fff;
  font-size: 0.83rem;
  font-weight: 800;
}
.session-card.is-current .category-chip { margin-top: 30px; }
.speaker-name { font-size: 1rem; }
.speaker-session { font-size: 0.9rem; }
.speaker-dialog {
  width: min(100% - 28px, 720px);
  max-height: min(88vh, 800px);
  padding: clamp(20px, 4vw, 34px);
  border: 0;
  border-radius: 18px;
  color: var(--ink);
  box-shadow: 0 24px 90px rgba(10, 18, 54, 0.5);
}
.speaker-dialog::backdrop { background: rgba(13, 20, 62, 0.78); }
.speaker-dialog__close {
  position: absolute;
  top: 10px;
  right: 14px;
  border: 0;
  background: transparent;
  color: var(--indigo);
  cursor: pointer;
  font-size: 2rem;
  line-height: 1;
}
#speaker-dialog-content { display: grid; grid-template-columns: 170px 1fr; gap: 28px; }
.speaker-dialog__portrait img {
  width: 166px;
  height: 166px;
  border: 5px solid var(--gold);
  border-radius: 50%;
  object-fit: cover;
}
.speaker-dialog__portrait img + img { margin-top: -70px; margin-left: 55px; }
.speaker-dialog__copy h2 { margin: 3px 0 16px; font-size: clamp(2.4rem, 6vw, 3.8rem); }
.speaker-dialog__eyebrow { margin: 0; color: var(--blue); font-weight: 800; }
.speaker-dialog__bio { line-height: 1.65; }
.speaker-dialog__session { margin: 18px 0 0; font-weight: 800; }
.speaker-dialog__when { margin: 3px 0 20px; color: var(--muted); }
.speaker-dialog__unlisted { color: var(--muted); }
.map-link-card,
.access-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 18px;
  padding: clamp(20px, 4vw, 30px);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}
.map-link-card { border-left: 6px solid var(--green); }
.map-link-card h3,
.access-card h3 { margin: 0 0 7px; color: var(--indigo); font-size: 1.3rem; }
.map-link-card p,
.access-card p { margin: 0; }
.access-card { flex-wrap: wrap; border-left: 6px solid var(--blue); }
.access-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.copy-status { min-height: 1.3em; color: var(--green); font-weight: 700; }
.access-card .copy-status { flex-basis: 100%; }
.premium-note {
  margin: 24px 0 0;
  padding: 17px 20px;
  border-radius: 8px;
  background: var(--indigo);
  color: #fff;
  font-weight: 700;
}
.ask-section { padding: clamp(60px, 8vw, 92px) 0; background: #fff; }
.ask-grid { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); align-items: center; gap: clamp(28px, 5vw, 70px); }
.ask-grid img { display: block; width: 100%; max-width: 440px; height: auto; aspect-ratio: 2 / 3; border-radius: 14px; object-fit: contain; }
.ask-grid p:not(.section-kicker) { max-width: 42ch; font-size: 1.15rem; line-height: 1.6; }
.copy-code { margin-right: 10px; border-color: var(--gold); background: transparent; color: var(--gold); }

@media (max-width: 900px) {
  .workshop-block .time-group { grid-template-columns: 150px minmax(0, 1fr); }
}

@media (max-width: 620px) {
  .hero { display: flex; flex-direction: column; min-height: 0; }
  .hero__copy {
    min-height: 0;
    padding: 28px 24px 30px;
    background: linear-gradient(145deg, var(--indigo), var(--indigo-dark));
  }
  .hero__image { position: relative; inset: auto; min-height: 270px; height: 270px; }
  .hero-past-photo { filter: saturate(1.1) contrast(1.01) brightness(1.03); object-position: center 43%; }
  .hero__image::before { background: linear-gradient(90deg, rgba(31, 41, 106, 0.2), transparent 48%, rgba(31, 41, 106, 0.18)); }
  .hero-face-node { width: 72px; }
  .hero-face-node--1 { top: 5%; right: 4%; left: auto; }
  .hero-face-node--2 { top: 24%; right: 1%; left: auto; }
  .hero-face-node--3 { top: 42%; right: 3%; left: auto; }
  .hero-face-node--4 { right: 4%; bottom: 3%; top: auto; }
  .hero-face-node--5 { left: 3%; bottom: 2%; top: auto; }
  .hero-face-node--6 { left: 26%; bottom: 3%; top: auto; right: auto; }
  .hero-face-node--7 { left: 51%; bottom: 2%; right: auto; }
  .brand-link { margin-bottom: 24px; }
  .brand-logo { margin-bottom: 0; }
  .program-clock-line { align-items: flex-start; flex-direction: column; }
  .time-group,
  .workshop-block .time-group { grid-template-columns: minmax(0, 1fr); }
  .time-label { font-size: 1.8rem; }
  .session-avatar { width: 90px; height: 90px; }
  .category-chip { max-width: 54%; font-size: 0.8rem; }
  #speaker-dialog-content { grid-template-columns: 1fr; gap: 16px; }
  .speaker-dialog__portrait img { width: 132px; height: 132px; }
  .map-link-card,
  .access-card { align-items: flex-start; flex-direction: column; }
  .ask-grid { grid-template-columns: 1fr; }
  .ask-grid img { max-width: 440px; margin-inline: auto; }
}

/* Compact hero using the official Colive Fukuoka key visual as a backdrop. */
@media screen {
  .hero.hero--keyvisual {
    display: block;
    min-height: 0;
    padding: 0 20px;
    border-bottom: 3px solid var(--gold);
    isolation: isolate;
    background: var(--indigo-dark);
  }

  .hero--keyvisual .hero__visual,
  .hero--keyvisual .hero__visual img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
  }

  .hero--keyvisual .hero__visual img {
    max-width: none;
    object-fit: cover;
    object-position: center 52%;
  }

  .hero.hero--keyvisual::before {
    content: "";
    position: absolute;
    z-index: 1;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(90deg, rgba(21, 29, 85, 0.45), rgba(21, 29, 85, 0.78) 35%, rgba(21, 29, 85, 0.8) 65%, rgba(21, 29, 85, 0.45));
  }

  .hero--keyvisual .hero__copy {
    display: flex;
    align-items: center;
    justify-content: center;
    width: min(100%, 900px);
    min-height: 0;
    margin: 0 auto;
    padding: 36px 0 42px;
    background: none;
    text-align: center;
  }

  .hero--keyvisual .hero__copy::after { display: none; }
  .hero--keyvisual .brand-link { align-self: center; width: auto; margin: 0 0 10px; }
  .hero--keyvisual .brand-logo { width: 132px; height: auto; margin: 0; filter: drop-shadow(0 2px 8px rgba(21, 29, 85, 0.4)); }
  .hero--keyvisual .event-series {
    margin: 0 0 10px;
    color: var(--gold);
    font-size: 0.82rem;
    letter-spacing: 0.11em;
  }
  .hero--keyvisual h1 {
    width: 100%;
    max-width: none;
    margin: 0;
    font-size: clamp(4rem, 9vw, 7rem);
    line-height: 0.88;
    letter-spacing: 0.035em;
    text-shadow: 0 2px 14px rgba(21, 29, 85, 0.36);
    text-wrap: balance;
  }
  .hero--keyvisual .hero__rule { width: 88px; height: 2px; margin: 19px auto 15px; background: var(--gold); }
  .hero--keyvisual .event-meta { max-width: 100%; margin: 0; font-size: clamp(1rem, 1.55vw, 1.12rem); line-height: 1.42; text-shadow: 0 2px 8px rgba(21, 29, 85, 0.6); }
  .hero--keyvisual #event-venue { max-width: 48ch; color: #f3f5ff; }
}

@media screen and (max-width: 620px) {
  .hero.hero--keyvisual { padding: 0 18px; }
  .hero.hero--keyvisual::before { background: rgba(21, 29, 85, 0.72); }
  .hero--keyvisual .hero__visual img { object-position: center 47%; }
  .hero--keyvisual .hero__copy { min-height: 0; padding: 28px 0 33px; }
  .hero--keyvisual .brand-logo { width: 114px; }
  .hero--keyvisual .event-series { margin-bottom: 9px; font-size: 0.76rem; }
  .hero--keyvisual h1 { font-size: clamp(3.5rem, 15.5vw, 4.35rem); }
  .hero--keyvisual .hero__rule { margin: 16px auto 13px; }
  .hero--keyvisual .event-meta { font-size: 1rem; }
}