:root {
  --navy: #0a1d33;
  --navy2: #102b49;
  --blue: #1f4f79;
  --blue2: #2e6d9c;
  --ink: #1e2c3a;
  --muted: #667587;
  --line: #d8e0e7;
  --soft: #f4f7fa;
  --white: #fff;
  --gold: #b89a5a;
  --gold2: #d9c28d;
  --shadow: 0 18px 50px rgba(10, 29, 51, .10);
  --shadow2: 0 8px 26px rgba(10, 29, 51, .08)
}

* {
  box-sizing: border-box
}

html {
  scroll-behavior: smooth
}

body {
  margin: 0;
  background: linear-gradient(#eaf0f5 0, #f8fafc 280px, #fff 620px);
  color: var(--ink);
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.75
}

a {
  color: inherit;
  text-decoration: none
}

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

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  background: #fff;
  box-shadow: 0 0 60px rgba(13, 38, 61, .08);
  min-height: 100vh
}

.site-header {
  position: relative;
  background: #fff
}

.header-inner {
  height: 86px;
  padding: 0 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #e1e7ec
}

.brand img {
  width: 154px;
  height: auto
}

.header-right {
  display: flex;
  align-items: center;
  gap: 24px
}

.event-mini {
  font-size: 11px;
  font-weight: 700;
  color: #667788;
  letter-spacing: .1em
}

.contact-btn {
  font-size: 13px;
  font-weight: 700;
  color: var(--navy2);
  border: 1px solid #b8c5d0;
  padding: 9px 16px;
  transition: .2s
}

.contact-btn:hover {
  background: var(--navy2);
  color: #fff
}

.global-nav {
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  border-bottom: 1px solid #dbe3ea;
  background: #fff
}

.global-nav a {
  min-width: 150px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 15px 26px;
  position: relative;
  color: #42566a
}

.global-nav a:after {
  content: "";
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: -1px;
  height: 3px;
  background: transparent
}

.global-nav a:hover,
.global-nav a.is-current {
  color: var(--navy)
}

.global-nav a.is-current:after {
  background: var(--gold)
}

.nav-toggle {
  display: none
}

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(125deg, #07192d 0%, #0d2d4d 52%, #1d4a71 100%);
  color: #fff
}

.hero-home {
  min-height: 560px
}

.hero-art {
  position: absolute;
  inset: 0;
  overflow: hidden
}

.hero-art:before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 88% 0, rgba(255, 255, 255, .18), transparent 35%), linear-gradient(120deg, transparent 0 56%, rgba(184, 154, 90, .22) 56.2%, transparent 56.6%)
}

.hero-art:after {
  content: "";
  position: absolute;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 50%;
  right: -220px;
  top: -170px;
  box-shadow: 0 0 0 80px rgba(255, 255, 255, .018), 0 0 0 160px rgba(255, 255, 255, .012)
}

.hero-art span {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .15), transparent);
  width: 70%;
  right: -8%;
  transform: rotate(-18deg)
}

.hero-art span:nth-child(1) {
  top: 25%
}

.hero-art span:nth-child(2) {
  top: 47%;
  right: -2%
}

.hero-art span:nth-child(3) {
  top: 72%;
  right: -15%
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 58px 54px 46px
}

.hero-badges {
  display: flex;
  gap: 8px;
  margin-bottom: 34px
}

.hero-badges span {
  border: 1px solid rgba(255, 255, 255, .28);
  background: rgba(255, 255, 255, .07);
  padding: 5px 11px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .12em
}

.hero-badges span:first-child {
  border-color: rgba(217, 194, 141, .65);
  color: #eadbb7
}

.hero-kicker {
  margin: 0 0 8px;
  color: #d8c28e;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .04em
}

.hero h1 {
  margin: 0;
  line-height: 1;
  display: flex;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap
}

.hero-en {
  font-size: clamp(30px, 4.6vw, 66px);
  font-weight: 400;
  letter-spacing: -.035em
}

.hero-year {
  font-family: Arial, sans-serif;
  font-size: clamp(40px, 5.5vw, 78px);
  font-weight: 100;
  color: #d8c28e;
  letter-spacing: .01em
}

.hero-subtitle {
  margin: 22px 0 34px;
  font-size: 16px;
  color: #e2e9ef;
  letter-spacing: .06em
}

.hero-date-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px
}

.date-card {
  min-height: 132px;
  padding: 17px 18px 16px;
  border: 1px solid rgba(255, 255, 255, .18);
  background: rgba(255, 255, 255, .08);
  backdrop-filter: blur(5px);
  transition: .2s;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 10px;
  align-items: baseline
}

.date-card:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, .13);
  border-color: rgba(217, 194, 141, .55)
}

.date-card-day {
  font-size: 11px;
  font-weight: 800;
  color: #d9c28d;
  letter-spacing: .12em
}

.date-card strong {
  font-size: 17px;
  justify-self: start
}

.date-card-time {
  font-size: 12px;
  color: #c8d7e3;
  grid-column: 2
}

.date-card-theme {
  grid-column: 1/3;
  font-size: 12px;
  line-height: 1.55;
  color: #f1f5f8;
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding-top: 9px;
  margin-top: 7px
}

.draft-notice {
  margin: 28px 34px 0;
  padding: 15px 18px;
  border-left: 3px solid var(--gold);
  background: #f6f4ef;
  display: flex;
  gap: 18px;
  align-items: center;
  font-size: 12px;
  color: #5f6270
}

.draft-notice strong {
  color: #4a3b1f;
  white-space: nowrap
}

.section-space {
  padding: 40px 54px
}

.section-heading {
  margin-bottom: 30px
}

.section-heading p {
  margin: 0 0 5px;
  color: #7e6b44;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em
}

.section-heading h2 {
  margin: 0;
  color: var(--navy);
  font-size: 30px;
  line-height: 1.35
}

.section-heading>span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 13px
}

.section-heading.compact {
  margin-bottom: 24px
}

.section-heading.compact h2 {
  font-size: 25px
}

.featured-section {
  background: #fff
}

.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px
}

.featured-card {
  display: grid;
  grid-template-columns: 190px 1fr;
  min-height: 350px;
  border: 1px solid #d6dfe7;
  background: linear-gradient(150deg, #fff 0, #f7f9fb 100%);
  box-shadow: var(--shadow2);
  overflow: hidden
}

.featured-card-gold {
  border-top: 3px solid var(--gold)
}

.featured-photo {
  height: 100%;
  min-height: 350px;
  background: #e4eaf0;
  overflow: hidden
}

.featured-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover
}

.featured-card:first-child .featured-photo img {
  object-position: center top
}

.featured-body {
  padding: 28px 27px 24px
}

.featured-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  color: #6a7885;
  font-size: 11px
}

.day-chip {
  background: var(--navy2);
  color: #fff;
  padding: 4px 8px;
  font-weight: 800;
  letter-spacing: .08em
}

.featured-label {
  margin: 21px 0 5px;
  color: #8f7644;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .16em
}

.featured-body h3 {
  margin: 0;
  color: var(--navy);
  font-size: 26px;
  line-height: 1.35
}

.featured-body h3 small {
  font-size: 16px;
  font-weight: 600;
  color: #526273
}

.featured-speaker {
  margin: 20px 0 0
}

.featured-speaker strong {
  display: block;
  font-size: 19px;
  color: #21364b
}

.featured-speaker span {
  display: block;
  margin-top: 6px;
  color: #596a7b;
  font-size: 11px;
  line-height: 1.7
}

.featured-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid #dce3e9;
  color: #7d8893;
  font-size: 12px
}

.center-link {
  text-align: center;
  margin-top: 30px
}

.text-arrow {
  display: inline-block;
  color: #1a4b74;
  font-size: 13px;
  font-weight: 800;
  border-bottom: 1px solid #9db1c3;
  padding: 6px 2px
}

.text-arrow:after {
  content: "  →";
  color: var(--gold)
}

.concept-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: var(--navy);
  color: #fff;
  padding-top: 45px;
  padding-bottom: 45px
}

.concept-band>div {
  padding: 5px 28px;
  border-right: 1px solid rgba(255, 255, 255, .12)
}

.concept-band>div:last-child {
  border-right: 0
}

.concept-band span {
  display: block;
  color: #d5ba7f;
  font-family: Arial, sans-serif;
  font-size: 13px;
  letter-spacing: .15em
}

.concept-band strong {
  display: block;
  margin: 8px 0 10px;
  font-size: 16px;
  letter-spacing: .02em
}

.concept-band p {
  margin: 0;
  color: #c8d3de;
  font-size: 11px;
  line-height: 1.8
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 28px;
  background: #f7f9fb
}

.main-column,
.side-column {
  display: flex;
  flex-direction: column;
  gap: 28px
}

.panel {
  background: #fff;
  border: 1px solid #dbe3e9;
  box-shadow: 0 6px 18px rgba(18, 48, 72, .04);
  padding: 30px
}

.greeting-layout {
  display: grid;
  grid-template-columns: 125px 1fr;
  gap: 24px
}

.president-photo img {
  width: 125px;
  border: 1px solid #d6dde4
}

.greeting-copy p {
  margin: 0 0 15px;
  font-size: 13px
}

.signature {
  text-align: right;
  font-size: 12px !important;
  color: #47586a;
  margin-top: 25px !important
}

.overview-list {
  margin: 0
}

.overview-list>div {
  display: grid;
  grid-template-columns: 115px 1fr;
  border-top: 1px solid #e0e6eb;
  padding: 15px 0
}

.overview-list>div:first-child {
  border-top: 2px solid var(--navy2)
}

.overview-list dt {
  font-weight: 800;
  color: var(--navy);
  font-size: 12px
}

.overview-list dd {
  margin: 0;
  font-size: 12px;
  color: #46586b
}

.overview-list small {
  color: #748391
}

.status-chip {
  display: inline-block;
  background: #e8edf2;
  color: #4e5d6c;
  font-weight: 800;
  padding: 3px 8px;
  margin-right: 8px;
  font-size: 10px
}

.news-list {
  list-style: none;
  margin: 0;
  padding: 0
}

.news-list li {
  border-top: 1px solid #e2e8ed;
  padding: 14px 0
}

.news-list time {
  display: block;
  color: #8d774d;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em
}

.news-list span {
  display: block;
  margin-top: 4px;
  font-size: 12px
}

.entry-panel {
  background: linear-gradient(145deg, #0b2037, #173e62);
  color: #fff;
  border: 0
}

.entry-label {
  margin: 0;
  color: #d8c28e;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .18em
}

.entry-panel h2 {
  margin: 7px 0 8px;
  font-size: 24px
}

.entry-panel p {
  font-size: 12px;
  color: #dbe5ed
}

.disabled-button {
  display: inline-block;
  margin-top: 10px;
  border: 1px solid rgba(255, 255, 255, .3);
  padding: 10px 15px;
  color: #d8e2ea;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .14em
}

.program-menu {
  background: #fff
}

.program-menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px
}

.program-menu-grid a {
  border: 1px solid #d4dde5;
  padding: 22px 20px;
  min-height: 150px;
  transition: .2s;
  background: #fff;
  position: relative
}

.program-menu-grid a:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--gold);
  transform: scaleX(.25);
  transform-origin: left;
  transition: .2s
}

.program-menu-grid a:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow2)
}

.program-menu-grid a:hover:after {
  transform: scaleX(1)
}

.program-menu-grid span {
  color: #8c7444;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .12em
}

.program-menu-grid strong {
  display: block;
  margin: 6px 0;
  color: var(--navy);
  font-size: 16px
}

.program-menu-grid p {
  margin: 0;
  color: #637385;
  font-size: 11px
}

.site-footer {
  background: #07182b;
  color: #b8c7d4
}

.footer-inner {
  padding: 34px 42px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 28px;
  align-items: center
}

.footer-inner strong {
  color: #fff;
  font-size: 13px
}

.footer-inner p {
  margin: 3px 0 0;
  font-size: 10px
}

.footer-contact {
  font-size: 10px;
  line-height: 1.7
}

.copyright {
  white-space: nowrap
}

/* Program page */
.sub-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(125deg, #081b30, #123a5d);
  color: #fff;
  padding: 54px 54px 50px
}

.sub-hero-art {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 0 63%, rgba(184, 154, 90, .26) 63.2%, transparent 63.7%), radial-gradient(circle at 88% 0, rgba(255, 255, 255, .16), transparent 32%)
}

.sub-hero>div:last-child {
  position: relative
}

.sub-hero p {
  margin: 0;
  color: #c5d2dd;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .15em
}

.sub-hero h1 {
  margin: 5px 0 0;
  font-size: 40px;
  line-height: 1.2
}

.sub-hero span {
  position: absolute;
  right: 0;
  bottom: -5px;
  color: rgba(255, 255, 255, .12);
  font-size: 70px;
  font-weight: 900;
  letter-spacing: .04em
}

.program-intro {
  padding: 50px 54px 30px
}

.program-intro h2 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: 27px
}

.program-intro>p {
  margin: 0;
  color: #5f7080;
  font-size: 13px;
  max-width: 850px
}

.draft-banner {
  margin-top: 24px;
  padding: 13px 16px;
  background: #f4f2ec;
  border-left: 3px solid var(--gold);
  display: flex;
  gap: 15px;
  align-items: center;
  font-size: 11px;
  color: #65636a
}

.draft-banner strong {
  color: #6f5a31;
  letter-spacing: .12em
}

.day-jump {
  margin: 30px 54px 30px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px
}

.day-jump a {
  border: 1px solid #d3dce4;
  padding: 14px 15px;
  background: #fff;
  min-height: 86px
}

.day-jump span {
  display: block;
  color: #947c4c;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .12em
}

.day-jump strong {
  display: block;
  margin-top: 5px;
  color: #243d55;
  font-size: 11px;
  line-height: 1.55
}

.day-section {
  margin: 0 54px 64px;
  scroll-margin-top: 20px
}

.day-heading {
  display: grid;
  grid-template-columns: 105px 1fr;
  align-items: stretch;
  background: var(--navy);
  color: #fff;
  border-bottom: 3px solid var(--gold)
}

.day-heading>span {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Arial, sans-serif;
  font-size: 23px;
  font-weight: 800;
  letter-spacing: .08em;
  background: #061629
}

.day-heading>div {
  padding: 18px 22px
}

.day-heading p {
  margin: 0;
  color: #d7c594;
  font-size: 11px;
  font-weight: 700
}

.day-heading h2 {
  margin: 2px 0 0;
  font-size: 21px
}

.session-table {
  border-left: 1px solid #d6dee5;
  border-right: 1px solid #d6dee5
}

.session-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  border-bottom: 1px solid #d9e1e8;
  background: #fff
}

.session-time {
  padding: 23px 15px;
  background: #f3f6f8;
  color: #193a58;
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  white-space: nowrap
}

.session-time span {
  padding: 0 5px;
  color: #93a1ad
}

.session-main {
  padding: 22px 24px
}

.session-main.has-speaker-photo {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 22px
}

.session-photo {
  margin: 0;
  width: 112px;
  height: 132px;
  border: 1px solid #d3dbe2;
  background: #e9eef2;
  overflow: hidden
}

.session-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover
}

.session-copy {
  min-width: 0
}

.session-badge {
  display: inline-block;
  margin-bottom: 7px;
  padding: 3px 7px;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .12em;
  border: 1px solid #aebdca;
  color: #5a6b7b
}

.session-badge.special,
.session-badge.keynote {
  border-color: #b99b5b;
  color: #806735;
  background: #fbf7ee
}

.session-badge.guest {
  border-color: #8da7bc;
  color: #315b7b;
  background: #f2f7fa
}

.session-main h3 {
  margin: 0;
  color: #173653;
  font-size: 17px;
  line-height: 1.55
}

.speaker-name {
  margin: 8px 0 9px;
  font-size: 12px;
  font-weight: 700;
  color: #485b6c
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px
}

.product-tags span {
  padding: 2px 7px;
  border: 1px solid #cbd6df;
  background: #f7f9fb;
  color: #46637b;
  font-size: 9px;
  font-weight: 700
}

.session-dummy-note {
  margin: 11px 0 0;
  color: #8a939c;
  font-size: 10px
}

.session-abstract {
  margin: 12px 0 0;
  color: #5f6f7d;
  font-size: 12px;
  line-height: 1.8
}

.break-row,
.registration-row {
  background: #fafbfc
}

.break-row .session-time,
.registration-row .session-time {
  background: #eef2f5;
  color: #71808d
}

.break-row .session-main,
.registration-row .session-main {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 15px;
  padding-bottom: 15px
}

.break-row h3,
.registration-row h3 {
  margin: 0;
  font-size: 13px;
  color: #596a79
}

.break-label {
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .12em;
  color: #907844;
  border: 1px solid #cdbb91;
  padding: 2px 6px
}

.registration-row .break-label {
  color: #48687f;
  border-color: #9fb3c3
}

.program-note {
  margin: 0 54px 65px;
  padding: 17px 18px;
  background: #f6f8fa;
  border: 1px solid #dde4e9;
  color: #657482;
  font-size: 11px
}

@media(max-width:900px) {
  .page-shell {
    width: 100%;
    box-shadow: none
  }

  .header-inner {
    height: 74px;
    padding: 0 18px
  }

  .brand img {
    width: 132px
  }

  .event-mini {
    display: none
  }

  .global-nav {
    display: none;
    height: auto;
    position: absolute;
    z-index: 20;
    left: 0;
    right: 0;
    top: 74px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, .14);
    flex-direction: column
  }

  .global-nav.is-open {
    display: flex
  }

  .global-nav a {
    width: 100%;
    border-bottom: 1px solid #e0e6eb
  }

  .nav-toggle {
    display: block;
    position: absolute;
    right: 18px;
    top: 84px;
    z-index: 25;
    background: #0d2a47;
    color: #fff;
    border: 0;
    padding: 8px 12px;
    font-size: 10px;
    font-weight: 800
  }

  .hero-content {
    padding: 54px 28px 34px
  }

  .hero-date-grid,
  .featured-grid,
  .concept-band,
  .program-menu-grid,
  .day-jump {
    grid-template-columns: 1fr
  }

  .date-card {
    min-height: 112px
  }

  .featured-card {
    grid-template-columns: 150px 1fr
  }

  .content-grid {
    grid-template-columns: 1fr;
    padding-left: 28px;
    padding-right: 28px
  }

  .section-space {
    padding-left: 28px;
    padding-right: 28px
  }

  .concept-band>div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
    padding: 18px 0
  }

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

  .sub-hero,
  .program-intro {
    padding-left: 28px;
    padding-right: 28px
  }

  .day-jump,
  .day-section,
  .program-note {
    margin-left: 28px;
    margin-right: 28px
  }

  .sub-hero span {
    font-size: 48px
  }
}

@media(max-width:620px) {
  body {
    background: #fff
  }

  .header-right {
    gap: 8px
  }

  .contact-btn {
    padding: 7px 10px;
    font-size: 11px
  }

  .hero-home {
    min-height: auto
  }

  .hero-content {
    padding-top: 58px
  }

  .hero h1 {
    gap: 9px
  }

  .hero-en {
    font-size: 34px;
    line-height: 1.08
  }

  .hero-year {
    font-size: 49px
  }

  .hero-kicker {
    font-size: 11px
  }

  .hero-subtitle {
    font-size: 12px
  }

  .draft-notice {
    margin: 18px 18px 0;
    display: block
  }

  .draft-notice strong {
    display: block;
    margin-bottom: 4px
  }

  .section-space {
    padding: 48px 18px
  }

  .section-heading h2 {
    font-size: 25px
  }

  .featured-card {
    grid-template-columns: 1fr
  }

  .featured-photo {
    height: 250px;
    min-height: 0
  }

  .featured-body {
    padding: 23px 20px
  }

  .content-grid {
    padding-left: 18px;
    padding-right: 18px
  }

  .panel {
    padding: 23px 18px
  }

  .greeting-layout {
    grid-template-columns: 1fr
  }

  .president-photo img {
    width: 110px
  }

  .overview-list>div {
    grid-template-columns: 1fr;
    gap: 5px
  }

  .program-menu-grid a {
    min-height: 120px
  }

  .footer-inner {
    padding: 30px 18px
  }

  .sub-hero {
    padding: 48px 18px 40px
  }

  .sub-hero h1 {
    font-size: 33px
  }

  .sub-hero span {
    font-size: 37px;
    right: -10px
  }

  .program-intro {
    padding: 38px 18px 22px
  }

  .draft-banner {
    display: block
  }

  .draft-banner strong {
    display: block;
    margin-bottom: 4px
  }

  .day-jump {
    margin: 10px 18px 35px
  }

  .day-section {
    margin: 0 18px 48px
  }

  .day-heading {
    grid-template-columns: 75px 1fr
  }

  .day-heading h2 {
    font-size: 16px
  }

  .session-row {
    grid-template-columns: 1fr
  }

  .session-time {
    text-align: left;
    padding: 10px 16px;
    border-bottom: 1px solid #dde4e9
  }

  .session-main {
    padding: 18px 16px
  }

  .session-main.has-speaker-photo {
    grid-template-columns: 82px 1fr;
    gap: 14px
  }

  .session-photo {
    width: 82px;
    height: 98px
  }

  .session-main h3 {
    font-size: 15px
  }

  .program-note {
    margin: 0 18px 48px
  }

  .nav-toggle {
    top: 78px
  }
}

/* =========================================================
   UGM2026 TOP hero image
   spring2026と同じ 202604_toplayer.jpg を使用
   ========================================================= */
.hero-home {
  isolation: isolate;
  background-color: #14314d;
}

.hero-home::before {
  content: "";
  position: absolute;
  inset: -2% -12%;
  background-image: url("../202604_toplayer.jpg");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: auto 100%;
  transform: scale(1.08) translate3d(0, 0, 0);
  transform-origin: center center;
  animation: ugmHeroPanWide 30s ease-in-out infinite alternate;
  will-change: transform;
  z-index: 0;
}

.hero-home::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 20, 31, .42) 0%, rgba(10, 24, 38, .28) 34%, rgba(17, 43, 65, .18) 100%),
    linear-gradient(135deg, rgba(20, 49, 77, .28) 0%, rgba(29, 68, 102, .18) 58%, rgba(50, 74, 94, .10) 100%);
  z-index: 1;
  pointer-events: none;
}

.hero-home .hero-art {
  z-index: 2;
  opacity: .34;
}

.hero-home .hero-content {
  z-index: 3;
}

@keyframes ugmHeroPanWide {
  0% {
    transform: scale(1.08) translate3d(-2.5%, 0, 0)
  }

  100% {
    transform: scale(1.08) translate3d(2.5%, 0, 0)
  }
}

@media(max-width:760px) {
  .hero-home::before {
    inset: -2% -28%;
    background-size: auto 100%;
    animation-duration: 24s;
  }
}

@media(prefers-reduced-motion:reduce) {
  .hero-home::before {
    animation: none;
    transform: scale(1.08) translate3d(0, 0, 0);
  }
}

/* =========================================================
   2026-09-08 update
   spring2026 と同じ「フル幅ヒーロー + 3分割メインメニュー」
   ========================================================= */
body {
  overflow-x: hidden;
}

/* ページ本体の最大幅を超えて、ヒーローだけ画面いっぱいに広げる */
.hero-home {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  min-height: 560px;
}

/* 背景画像は spring2026 と同じ 202604_toplayer.jpg */
.hero-home::before {
  inset: 0;
  width: 100%;
  height: 100%;
  background-size: auto 100%;
  background-position: center center;
  transform: scale(1.04) translate3d(0, 0, 0);
}

/* 文字・DAYカードは本文と同じ幅に揃える */
.hero-home .hero-content {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 58px 54px 46px;
}

/* spring2026 同様、メイン画像の直下に3分割メニュー */
.main-menu-wrap {
  width: 100%;
  margin: 0;
}

.global-nav.global-nav-three {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  width: 100%;
  height: auto;
  border: 1px solid #8da0b2;
  border-top: 0;
  background: #0d2842;
  box-shadow: 0 8px 22px rgba(10, 29, 51, .10);
}

.global-nav.global-nav-three a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 56px;
  padding: 13px 20px;
  border-right: 1px solid rgba(255, 255, 255, .16);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .08em;
  background: linear-gradient(180deg, #102f4d, #0b2540);
  transition: filter .2s ease, transform .2s ease, background .2s ease;
}

.global-nav.global-nav-three a:nth-child(2) {
  background: linear-gradient(180deg, #1b4263, #123654);
}

.global-nav.global-nav-three a:nth-child(3) {
  background: linear-gradient(180deg, #285570, #1b465f);
}

.global-nav.global-nav-three a:last-child {
  border-right: 0;
}

.global-nav.global-nav-three a::after {
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
}

.global-nav.global-nav-three a.is-current::after {
  background: var(--gold);
}

.global-nav.global-nav-three a:hover,
.global-nav.global-nav-three a:focus-visible {
  color: #fff;
  filter: brightness(1.10);
}

@media(max-width:900px) {
  .hero-home .hero-content {
    width: min(100%, 720px);
    padding: 54px 28px 34px;
  }

  .main-menu-wrap .nav-toggle {
    display: block;
    position: relative;
    top: auto;
    right: auto;
    width: 100%;
    margin: 0;
    padding: 11px 16px;
    background: #0d2a47;
    color: #fff;
    border: 0;
    border-radius: 0;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .12em;
  }

  .global-nav.global-nav-three {
    display: none;
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    grid-template-columns: 1fr;
    box-shadow: 0 8px 20px rgba(0, 0, 0, .12);
  }

  .global-nav.global-nav-three.is-open {
    display: grid;
  }

  .global-nav.global-nav-three a {
    width: 100%;
    min-height: 50px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .13);
  }

  .global-nav.global-nav-three a:last-child {
    border-bottom: 0;
  }
}

@media(max-width:620px) {
  .hero-home {
    min-height: auto;
  }

  .hero-home::before {
    background-size: auto 100%;
  }

  .hero-home .hero-content {
    width: 100%;
    padding: 58px 18px 32px;
  }
}

/* =========================================================
   2026-09-08 typography emphasis update
   全体文字サイズ / 開催日 / VINASロゴ / 2026 を強調
   ========================================================= */

/* Header */
.header-inner {
  height: 94px;
  padding-left: 30px;
  padding-right: 30px;
}

.brand img {
  width: 220px;
}

.event-mini {
  font-size: 12px;
}

.contact-btn {
  font-size: 14px;
  padding: 10px 18px;
}

/* Hero typography */
.hero-badges span {
  font-size: 14px;
  padding: 6px 12px;
}

.hero-kicker {
  font-size: 24px;
  font-weight: 700;
}

.hero-en {
  font-size: clamp(38px, 5.2vw, 70px);
  font-weight: 600;
}

.hero-year {
  font-size: clamp(64px, 9.0vw, 110px);
  font-weight: 900;
  line-height: .82;
  letter-spacing: -.025em;
  text-shadow: 0 2px 16px rgba(0, 0, 0, .18);
}

.hero-subtitle {
  margin-top: 26px;
  margin-bottom: 36px;
  font-size: 18px;
  font-weight: 600;
}

/* Main dates - strongest information after title */
.hero-date-grid {
  gap: 14px;
}

.date-card {
  min-height: 150px;
  padding: 19px 20px 17px;
  background: rgba(5, 24, 40, .34);
  border-color: rgba(255, 255, 255, .28);
}

.date-card-day {
  font-size: 12px;
}

.date-card strong {
  font-size: 23px;
  line-height: 1.25;
  font-weight: 900;
  color: #fff;
  letter-spacing: .015em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, .18);
}

.date-card-time {
  margin-top: 2px;
  font-size: 14px;
  font-weight: 700;
  color: #e2ecf4;
}

.date-card-theme {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
}

/* 3分割 main menu */
.global-nav.global-nav-three a {
  min-height: 62px;
  font-size: 16px;
}

/* Main contents - overall slightly larger */
.draft-notice {
  font-size: 13px;
}

.section-heading p {
  font-size: 12px;
}

.section-heading h2 {
  font-size: 33px;
}

.section-heading>span {
  font-size: 14px;
}

.section-heading.compact h2 {
  font-size: 28px;
}

.featured-meta {
  font-size: 12px;
}

.featured-label {
  font-size: 11px;
}

.featured-body h3 {
  font-size: 28px;
}

.featured-body h3 small {
  font-size: 20px;
}

.featured-speaker strong {
  font-size: 20px;
}

.featured-speaker span,
.featured-note {
  font-size: 12px;
}

.text-arrow {
  font-size: 14px;
}

.concept-band span {
  font-size: 14px;
}

.concept-band strong {
  font-size: 18px;
}

.concept-band p {
  font-size: 13px;
}

.greeting-copy p {
  font-size: 14px;
}

.signature {
  font-size: 13px !important;
}

.overview-list dt {
  font-size: 14px;
}

.overview-list dd {
  font-size: 14px;
}

.status-chip {
  font-size: 11px;
}

.news-list time {
  font-size: 11px;
}

.news-list span {
  font-size: 14px;
}

.entry-label {
  font-size: 11px;
}

.entry-panel h2 {
  font-size: 27px;
}

.entry-panel p {
  font-size: 14px;
}

.disabled-button {
  font-size: 11px;
}

.program-menu-grid span {
  font-size: 12px;
}

.program-menu-grid strong {
  font-size: 19px;
}

.program-menu-grid p {
  font-size: 13px;
}

.footer-inner strong {
  font-size: 14px;
}

.footer-inner p,
.footer-contact {
  font-size: 11px;
}

/* Program page typography */
.sub-hero p {
  font-size: 11px;
}

.sub-hero h1 {
  font-size: 44px;
}

.sub-hero span {
  font-size: 78px;
  font-weight: 900;
}

.program-intro h2 {
  font-size: 30px;
}

.program-intro>p {
  font-size: 15px;
}

.draft-banner {
  font-size: 12px;
}

.day-jump span {
  font-size: 11px;
}

.day-jump strong {
  font-size: 13px;
}

.day-heading p {
  font-size: 12px;
}

.day-heading h2 {
  font-size: 23px;
}

.session-time {
  font-size: 14px;
}

.session-badge {
  font-size: 10px;
}

.session-main h3 {
  font-size: 19px;
}

.speaker-name {
  font-size: 14px;
}

.product-tags span {
  font-size: 10px;
}

.session-dummy-note {
  font-size: 11px;
}

.break-row h3,
.registration-row h3 {
  font-size: 14px;
}

.break-label {
  font-size: 10px;
}

.program-note {
  font-size: 12px;
}

@media(max-width:900px) {
  .header-inner {
    height: 82px;
  }

  .brand img {
    width: 156px;
  }

  .hero-home .hero-content {
    padding-top: 50px;
  }

  .hero-year {
    font-size: clamp(62px, 11vw, 92px);
  }

  .date-card strong {
    font-size: 21px;
  }
}

@media(max-width:620px) {
  .header-inner {
    height: 76px;
  }

  .brand img {
    width: 148px;
  }

  .hero-kicker {
    font-size: 13px;
  }

  .hero-en {
    font-size: 36px;
  }

  .hero-year {
    font-size: 64px;
    font-weight: 900;
  }

  .hero-subtitle {
    font-size: 14px;
  }

  .date-card {
    min-height: 126px;
  }

  .date-card strong {
    font-size: 21px;
  }

  .date-card-time {
    font-size: 13px;
  }

  .date-card-theme {
    font-size: 12px;
  }

  .section-heading h2 {
    font-size: 28px;
  }

  .section-heading.compact h2 {
    font-size: 26px;
  }

  .greeting-copy p {
    font-size: 14px;
  }

  .overview-list dt,
  .overview-list dd {
    font-size: 13px;
  }

  .news-list span {
    font-size: 13px;
  }

  .program-menu-grid strong {
    font-size: 18px;
  }

  .sub-hero h1 {
    font-size: 36px;
  }

  .sub-hero span {
    font-size: 48px;
  }

  .program-intro h2 {
    font-size: 26px;
  }

  .program-intro>p {
    font-size: 14px;
  }

  .day-heading h2 {
    font-size: 18px;
  }

  .session-main h3 {
    font-size: 17px;
  }

  .speaker-name {
    font-size: 13px;
  }
}

/* =========================================================
   2026-09-08 layout extension update
   header / main menu background / draft-notice background を full bleed 化
   ========================================================= */

.site-header {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  background: #fff;
}

.header-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.main-menu-wrap {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  background: linear-gradient(180deg, #143654 0%, #0d2842 100%);
}

.global-nav.global-nav-three {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.draft-notice {
  width: 100vw;
  margin: 0 0 0 calc(50% - 50vw);
  padding: 26px 0 0;
  background: #fff;
}

.draft-notice-inner {
  width: min(1180px, calc(100% - 68px));
  margin: 0 auto;
  padding: 15px 18px;
  border-left: 3px solid var(--gold);
  background: #f6f4ef;
  display: flex;
  gap: 18px;
  align-items: center;
  font-size: 13px;
  color: #5f6270;
}

/* 기존 draft-notice 自体の見た目を inner に移譲 */
.draft-notice strong {
  color: #4a3b1f;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .header-inner,
  .global-nav.global-nav-three {
    width: 100%;
  }

  .draft-notice {
    padding-top: 18px;
  }

  .draft-notice-inner {
    width: calc(100% - 36px);
  }
}

@media (max-width: 620px) {
  .draft-notice-inner {
    display: block;
    width: calc(100% - 36px);
  }

  .draft-notice strong {
    display: block;
    margin-bottom: 4px;
    white-space: normal;
  }
}


/* 2026-09-08 content-grid background update */
.content-grid.section-space {
  background: #fff;
}


/* =========================================================
   2026-09-16 program page update
   index と同じメイン画像 / 画像下3分割メニュー / DAY案内 / 配信形式
   ========================================================= */

/* program hero: index と同じ背景画像。縦幅は従来の sub-hero を維持 */
.program-page .sub-hero {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  position: relative;
  isolation: isolate;
  background: #14314d;
  overflow: hidden;
}

.program-page .sub-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../202604_toplayer.jpg");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  z-index: -2;
}

.program-page .sub-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 20, 31, .60) 0%, rgba(10, 24, 38, .44) 38%, rgba(17, 43, 65, .30) 100%),
    linear-gradient(135deg, rgba(20, 49, 77, .28) 0%, rgba(29, 68, 102, .16) 62%, rgba(50, 74, 94, .08) 100%);
  z-index: -1;
}

.program-page .sub-hero > div:last-child {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.program-page .sub-hero-art {
  display: none;
}

/* program page main menu: index と同一構成でヒーロー直下 */
.program-page .main-menu-wrap {
  margin-top: 0;
}

/* 3日間メニューを各DAY冒頭で繰り返す */
.program-page .day-jump-repeat {
  margin-top: 6px;
}

/* LIVE / recorded format labels */
.delivery-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin: 0 0 10px 10px;
  padding: 4px 10px;
  border-radius: 2px;
  font-size: 11px;
  line-height: 1.4;
  font-weight: 900;
  letter-spacing: .02em;
  vertical-align: top;
}

.session-copy > .session-badge + .delivery-badge {
  margin-left: 8px;
}

.delivery-badge.live {
  color: #0d416c;
  border: 1px solid #7ea8c6;
  background: #edf6fc;
}

.delivery-badge.recorded {
  color: #6a542b;
  border: 1px solid #c9ad70;
  background: #fbf6e9;
}

/* each DAY guidance + application */
.day-guidance {
  margin-top: 24px;
  padding: 22px 24px 24px;
  border: 1px solid #d8e0e7;
  background: #f8fafc;
  color: #556575;
  font-size: 12px;
  line-height: 1.8;
}

.day-guidance-intro {
  margin: 0 0 10px;
}

.day-guidance-intro strong {
  color: #173653;
  font-weight: 900;
}

.day-guidance-notes {
  list-style: none;
  margin: 0;
  padding: 0;
}

.day-guidance-notes li {
  margin: 2px 0;
}

.program-entry-wrap {
  margin-top: 20px;
  text-align: center;
}

.program-entry-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 280px;
  min-height: 54px;
  padding: 13px 28px;
  border: 1px solid #244e70;
  background: linear-gradient(180deg, #214f75 0%, #123a5d 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .05em;
  box-shadow: 0 7px 18px rgba(10, 29, 51, .12);
  transition: transform .2s ease, filter .2s ease;
}

.program-entry-button::after {
  content: "→";
  margin-left: 12px;
  color: #d9c28d;
}

.program-entry-button:hover,
.program-entry-button:focus-visible {
  color: #fff;
  filter: brightness(1.08);
  transform: translateY(-1px);
}

@media(max-width:900px) {
  .program-page .sub-hero > div:last-child {
    width: 100%;
  }

  .program-page .day-jump-repeat {
    margin-top: 0;
  }
}

@media(max-width:620px) {
  .delivery-badge {
    margin-left: 0;
    margin-right: 6px;
    font-size: 10px;
  }

  .session-copy > .session-badge + .delivery-badge {
    margin-left: 6px;
  }

  .day-guidance {
    padding: 18px 16px 20px;
    font-size: 11px;
  }

  .program-entry-button {
    width: 100%;
    min-width: 0;
    font-size: 14px;
  }
}


/* =========================================================
   2026-09-16 program hero + CTA refinement
   program背景をTOPと同じ202604_toplayer.jpgに統一し、全幅表示
   ========================================================= */
.program-page .sub-hero {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  background-color: #14314d;
  background-image:
    linear-gradient(90deg, rgba(7, 20, 31, .52) 0%, rgba(10, 24, 38, .36) 38%, rgba(17, 43, 65, .22) 100%),
    linear-gradient(135deg, rgba(20, 49, 77, .20) 0%, rgba(29, 68, 102, .10) 62%, rgba(50, 74, 94, .05) 100%),
    url("../202604_toplayer.jpg");
  background-repeat: no-repeat, no-repeat, no-repeat;
  background-position: center center, center center, center center;
  background-size: cover, cover, cover;
}

/* 旧pseudo背景を停止し、background-imageを直接sub-heroに指定 */
.program-page .sub-hero::before,
.program-page .sub-hero::after {
  content: none;
  display: none;
}

/* タイトルを背景画像の上で読みやすく */
.program-page .sub-hero > div:last-child {
  position: relative;
  z-index: 2;
}

/* 参加申込みCTA：中央配置・視認性・押しやすさを強化 */
.program-entry-wrap {
  margin-top: 28px;
  text-align: center;
}

.program-entry-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 360px;
  min-height: 66px;
  padding: 16px 54px 16px 36px;
  border: 1px solid #d2b56e;
  border-radius: 8px;
  background: linear-gradient(180deg, #e6cf96 0%, #c9a95e 100%);
  color: #102b49;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: .06em;
  line-height: 1.3;
  box-shadow:
    0 10px 24px rgba(10, 29, 51, .18),
    inset 0 1px 0 rgba(255, 255, 255, .55);
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}

.program-entry-button::after {
  content: "→";
  position: absolute;
  right: 26px;
  top: 50%;
  transform: translateY(-50%);
  margin: 0;
  color: #102b49;
  font-size: 22px;
  font-weight: 900;
  transition: transform .18s ease;
}

.program-entry-button:hover {
  color: #0a2139;
  filter: brightness(1.05);
  transform: translateY(-2px);
  box-shadow:
    0 14px 30px rgba(10, 29, 51, .22),
    inset 0 1px 0 rgba(255, 255, 255, .65);
}

.program-entry-button:hover::after {
  transform: translate(4px, -50%);
}

.program-entry-button:focus-visible {
  outline: 3px solid rgba(31, 79, 121, .35);
  outline-offset: 4px;
  color: #0a2139;
}

.program-entry-button:active {
  transform: translateY(0);
  box-shadow:
    0 6px 16px rgba(10, 29, 51, .18),
    inset 0 1px 0 rgba(255, 255, 255, .45);
}

@media(max-width:620px) {
  .program-page .sub-hero {
    background-position: center center, center center, center center;
  }

  .program-entry-wrap {
    margin-top: 24px;
  }

  .program-entry-button {
    width: 100%;
    min-width: 0;
    min-height: 60px;
    padding: 14px 48px 14px 20px;
    font-size: 16px;
  }

  .program-entry-button::after {
    right: 20px;
    font-size: 20px;
  }
}


/* =========================================================
   2026-09-16 program status badges / day navigation refinement
   配信形式とQ&Aを4種類の独立バッジに整理
   ========================================================= */

/* 旧セッション種別バッジは使用しない */
.program-page .session-badge,
.program-page .delivery-badge {
  display: none !important;
}

/* LIVE / 録画配信 / Q&A Chat / Q&A LIVE の4色 */
.format-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 27px;
  margin: 0 7px 10px 0;
  padding: 4px 10px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 11px;
  line-height: 1.35;
  font-weight: 900;
  letter-spacing: .025em;
  vertical-align: top;
  box-shadow: none;
}

/* ライブ講演 */
.format-badge.badge-live {
  color: #96363c;
  border-color: #c9787d;
  background: #fff2f2;
}

/* 録画講演 */
.format-badge.badge-recorded {
  color: #735724;
  border-color: #c2a05e;
  background: #faf4e7;
}

/* チャットでのQ&A */
.format-badge.badge-qa-chat {
  color: #245d7d;
  border-color: #78a7c3;
  background: #eef7fc;
}

/* ライブQ&A */
.format-badge.badge-qa-live {
  color: #326947;
  border-color: #79a789;
  background: #eff8f2;
}

/* DAY1〜DAY3 メニュー：影なしでhoverを明確化 */
.program-page .day-jump a {
  box-shadow: none !important;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease;
}

.program-page .day-jump a:hover,
.program-page .day-jump a:focus-visible {
  background: #123a5d;
  border-color: #123a5d;
  box-shadow: none !important;
  outline: none;
}

.program-page .day-jump a:hover span,
.program-page .day-jump a:focus-visible span {
  color: #e0c98f;
}

.program-page .day-jump a:hover strong,
.program-page .day-jump a:focus-visible strong {
  color: #fff;
}

@media(max-width:620px) {
  .format-badge {
    min-height: 25px;
    margin-right: 5px;
    margin-bottom: 8px;
    padding: 3px 8px;
    font-size: 10px;
  }
}

/* =========================================================
   2026-09-24 print only
   Web表示は変更せず、印刷時のみ案内・ナビを非表示
   ========================================================= */
@media print {
  .program-page .program-intro,
  .program-page .day-jump,
  .program-page .day-guidance,
  .program-page .main-menu-wrap,
  .program-page .sub-hero-art {
    display: none !important;
  }
}

/* =========================================================
   2026-09-24 outer background / full-width footer
   コンテンツ外側を濃くし、中央コンテンツを際立たせる
   ========================================================= */
body {
  background: #cbd4dd;
}

.page-shell {
  background: #fff;
  box-shadow: 0 0 46px rgba(10, 29, 51, .18);
}

/* footer背景だけ画面端まで広げ、内容は従来の最大幅に揃える */
.site-footer {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  background: #07182b;
}

.site-footer .footer-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

@media(max-width:900px) {
  body {
    background: #fff;
  }

  .page-shell {
    box-shadow: none;
  }

  .site-footer .footer-inner {
    width: 100%;
  }
}


/* =========================================================
   2026-09-30 issue08: 2名登壇セッションの顔写真を縦並び
   ========================================================= */
.program-page .session-photo-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 112px;
}

.program-page .session-photo-stack .session-photo {
  flex: 0 0 auto;
}

@media(max-width:620px) {
  .program-page .session-photo-stack {
    gap: 8px;
    width: 82px;
  }
}


/* =========================================================
   2026-10-06 registration open / sponsor sidebar
   ========================================================= */
.status-chip.status-chip-open {
  background: var(--gold2);
  color: var(--navy);
  border: 1px solid #c4a969;
  text-decoration: none;
  transition: background-color .18s ease, color .18s ease;
}

.status-chip.status-chip-open:hover,
.status-chip.status-chip-open:focus-visible {
  background: var(--navy2);
  color: #fff;
}

.overview-entry-link {
  display: inline-block;
  color: #1a4b74;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.overview-entry-link:hover,
.overview-entry-link:focus-visible {
  color: var(--navy);
}

.news-list a:hover span,
.news-list a:focus-visible span {
  color: #1a4b74;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.entry-panel .entry-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 52px;
  margin-top: 18px;
  padding: 12px 38px 12px 18px;
  position: relative;
  border: 1px solid #d2b56e;
  background: linear-gradient(180deg, #e6cf96 0%, #c9a95e 100%);
  color: var(--navy);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .04em;
  transition: filter .18s ease, transform .18s ease;
}

.entry-panel .entry-button::after {
  content: "→";
  position: absolute;
  right: 17px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 17px;
  font-weight: 900;
}

.entry-panel .entry-button:hover,
.entry-panel .entry-button:focus-visible {
  color: var(--navy);
  filter: brightness(1.06);
  transform: translateY(-1px);
}

.sponsor-panel {
  padding: 26px 24px 24px;
}

.sponsor-heading {
  margin-bottom: 18px;
}

.sponsor-heading h2 {
  font-size: 22px;
}

.sponsor-logo-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sponsor-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 72px;
  background: #fff;
}

.sponsor-logo img {
  width: 100%;
  height: auto;
}

.sponsor-note {
  margin: 14px 0 0;
  color: #7b8792;
  font-size: 12px;
  text-align: right;
}

@media(max-width:900px) {
  .sponsor-logo img {
    width: min(288px, 100%);
  }
}

@media(max-width:620px) {
  .entry-panel .entry-button {
    min-height: 50px;
    font-size: 13px;
  }

  .sponsor-panel {
    padding: 23px 18px;
  }
}


/* =========================================================
   2026-10-06 sponsor company labels / greeting display
   ========================================================= */
.sponsor-logo {
  flex-direction: column;
}

.sponsor-company-name {
  margin: 5px 0 0;
  color: #667587;
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
}


/* =========================================================
   2026-10-06 sponsor links
   ========================================================= */
.sponsor-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  color: inherit;
  transition: opacity .18s ease;
}

.sponsor-link:hover,
.sponsor-link:focus-visible {
  opacity: .78;
}

.sponsor-link:focus-visible {
  outline: 2px solid #8da0b2;
  outline-offset: 3px;
}

/* =========================================================
   2026-10-06 sponsor separators
   お知らせ欄と同様に各スポンサーを罫線で区切る
   ========================================================= */
.sponsor-logo-list {
  gap: 0;
}

.sponsor-logo {
  min-height: 0;
  padding: 14px 0;
  border-top: 1px solid #e2e8ed;
}


/* =========================================================
   2026-10-06 formal release / product tag classification
   VINAS製品 = blue, 他社・外部製品 = gold
   ========================================================= */
.product-tags .product-vinas {
  border-color: #7fa8c7;
  background: #eaf3fb;
  color: #174f78;
}

.product-tags .product-partner {
  border-color: #c9ad70;
  background: #faf4e7;
  color: #735724;
}

/* =========================================================
   2026-10-13 featured speakers design 01
   横ライン見出し + 縦長比率の登壇者写真
   ========================================================= */

/* FEATURED SPEAKERS の見出しだけを横並び + ラインに変更 */
.featured-section .section-heading {
  display: grid;
  grid-template-columns: max-content max-content minmax(48px, 1fr);
  align-items: center;
  column-gap: 18px;
  row-gap: 8px;
  margin-bottom: 30px;
}

.featured-section .section-heading::after {
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--gold) 0%, #d8e0e7 72%, rgba(216, 224, 231, 0) 100%);
}

.featured-section .section-heading p,
.featured-section .section-heading h2 {
  margin-top: 0;
  margin-bottom: 0;
}

.featured-section .section-heading > span {
  grid-column: 1 / -1;
  margin-top: 0;
}

/* 登壇者カード：元画像の2:3比率写真 + 文章の横並び
   写真の外側余白を margin ではなく card の padding/gap で確保し、本文との重なりを防ぐ */
.featured-section .featured-card {
  grid-template-columns: 180px minmax(0, 1fr);
  align-items: start;
  gap: 24px;
  min-height: 0;
  padding: 28px;
}

.featured-section .featured-photo {
  width: 180px;
  height: auto;
  aspect-ratio: 2 / 3;
  min-height: 0;
  margin: 0;
  border: 1px solid #d6dfe7;
  background: #e4eaf0;
  overflow: hidden;
}

.featured-section .featured-photo img,
.featured-section .featured-card:first-child .featured-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.featured-section .featured-body {
  min-width: 0;
  padding: 0;
}

@media(max-width:900px) {
  .featured-section .featured-card {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 20px;
    padding: 24px;
  }

  .featured-section .featured-photo {
    width: 160px;
    height: auto;
    aspect-ratio: 2 / 3;
  }
}

@media(max-width:620px) {
  .featured-section .section-heading {
    grid-template-columns: max-content max-content minmax(24px, 1fr);
    column-gap: 10px;
  }

  .featured-section .featured-card {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 20px;
  }

  .featured-section .featured-photo {
    width: 140px;
    height: auto;
    aspect-ratio: 2 / 3;
  }
}

/* =========================================================
   2026-10-13 FEATURED SPEAKERS vertical stack
   特別講演・基調講演を横長カードの縦積みに変更
   ========================================================= */
.featured-section .featured-grid {
  grid-template-columns: 1fr;
  gap: 20px;
}

.featured-section .featured-card {
  width: 100%;
}

/* =========================================================
   2026-10-19 program featured sessions / 2025 style
   2025program.html の「特別講演」「基調講演」と同様、
   セッション上部に濃色の講演種別帯を配置
   ========================================================= */
.program-page .session-row.session-featured .session-main.has-speaker-photo {
  display: grid;
  grid-template-columns: 136px minmax(0, 1fr);
  gap: 0;
  padding: 0;
}

.program-page .session-featured-title {
  grid-column: 1 / -1;
  padding: 10px 12px;
  background: #003d4a;
  color: #fff;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.35;
}

.program-page .session-row.session-featured .session-photo {
  grid-column: 1;
  width: 100px;
  height: 100px;
  margin: 20px 18px;
}

.program-page .session-row.session-featured .session-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.program-page .session-row.session-featured .session-copy {
  grid-column: 2;
  min-width: 0;
  padding: 20px 24px 20px 0;
}

@media(max-width:620px) {
  .program-page .session-row.session-featured .session-main.has-speaker-photo {
    grid-template-columns: 110px minmax(0, 1fr);
  }

  .program-page .session-featured-title {
    padding: 9px 12px;
    font-size: 17px;
  }

  .program-page .session-row.session-featured .session-photo {
    width: 82px;
    height: 82px;
    margin: 16px 14px;
  }

  .program-page .session-row.session-featured .session-copy {
    padding: 16px 14px 16px 0;
  }
}