@charset "UTF-8";

/* ----- フォント (fonts) ----- */
@font-face {
	font-family: 'Arimo';
	font-style: normal;
	font-weight: 400 700;
	font-display: swap;
	src: url('fonts/Arimo.woff2') format('woff2')
}

@font-face {
	font-family: 'Noto Sans JP';
	font-style: normal;
	font-weight: 400 700;
	font-display: swap;
	src: url('fonts/NotoSansJP.woff2') format('woff2')
}

@font-face {
	font-family: 'Roboto Mono';
	font-style: normal;
	font-weight: 400 700;
	font-display: swap;
	src: url('fonts/RobotoMono.woff2') format('woff2')
}

/* ----- 基本設定 (base) ----- */
* {
	box-sizing: border-box
}

html {
	scroll-behavior: smooth;
	scroll-padding-top: 90px
}

body {
	margin: 0;
	color: #202020;
	background: #fff;
	font: 14px/1.7 'Arimo', 'Noto Sans JP', sans-serif
}

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

button {
	font: inherit;
	cursor: pointer
}

a:focus-visible,
button:focus-visible {
	outline: 3px solid #5743f2;
	outline-offset: 5px
}

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

/* ----- ヘッダー・ナビ (header / nav) ----- */
header {
	position: sticky;
	top: 0;
	z-index: 20;
	display: flex;
	align-items: center;
	padding: 16px 5%;
	gap: 24px;
	background: rgba(255, 255, 255, .96);
	border-bottom: 1px solid #dededb
}

.brand {
	font-size: 26px;
	letter-spacing: -1.1px;
	font-weight: 700;
	white-space: nowrap
}

.brand span,
.red {
	color: #ed1724
}

.category {
	font-size: 11px;
	border-left: 1px solid #ccc;
	padding-left: 24px;
	color: #666
}

nav {
	margin-left: auto;
	display: flex;
	align-items: center;
	gap: 22px;
	font-size: 12px
}

nav>a {
	position: relative
}

nav>a:not(.register):after {
	content: '';
	height: 1px;
	background: #ed1724;
	position: absolute;
	left: 0;
	right: 100%;
	bottom: -5px;
	transition: right .3s
}

nav>a:hover:after {
	right: 0
}

.register {
	background: #ed1724;
	color: #fff;
	padding: 8px 16px
}

/* ----- ヒーロー (hero) ----- */
.hero {
	height: min(780px, calc(100svh - 78px));
	min-height: 590px;
	position: relative;
	isolation: isolate;
	overflow: hidden;
	background: #080808;
	color: white
}

.hero-media {
	position: absolute;
	inset: -5%;
	z-index: -3;
	will-change: transform
}

.hero-media video,
.print-poster {
	width: 100%;
	height: 100%;
	object-fit: cover
}

.print-poster {
	display: none
}

.hero-shade {
	position: absolute;
	inset: 0;
	background: linear-gradient(90deg, rgba(0, 0, 0, .65), rgba(0, 0, 0, .02) 85%), linear-gradient(0deg, rgba(0, 0, 0, .85), transparent 65%);
	z-index: -1
}

.hero-content {
	position: absolute;
	inset: 36px 5% 70px;
	display: flex;
	flex-direction: column;
	justify-content: flex-end
}

.eyebrow {
	font-size: 11px;
	letter-spacing: 2px;
	margin: 0 0 20px
}

h1 {
	font-size: clamp(50px, 7.2vw, 106px);
	line-height: .98;
	letter-spacing: -.045em;
	font-weight: 400;
	margin: 0 0 20px
}

.hero-subtitle {
	font-size: 17px;
	letter-spacing: .02em;
	margin: 0 0 35px
}

.event-details {
	display: grid;
	grid-template-columns: 1.25fr 1fr .8fr;
	gap: 24px;
	border-top: 1px solid #ffffff66;
	padding-top: 22px;
	align-items: center
}

.event-details>div>span {
	display: block;
	font-size: 10px;
	letter-spacing: 2px;
	color: #d0d0d0;
	margin-bottom: 6px
}

.event-details strong {
	font-size: clamp(22px, 2.6vw, 36px);
	line-height: 1.3;
	font-weight: 400;
	display: block
}

.event-details strong small {
	font-size: 18px;
	display: block;
	margin-top: 8px
}

.event-details small {
	font-size: 11px;
	display: block
}

.hero-cta {
	background: #ed1724;
	padding: 15px 20px;
	align-self: stretch;
	font-size: 17px;
	display: block
}

.hero-cta>span {
	float: right;
	font-size: 26px
}

.hero-cta small {
	margin-top: 10px
}

.hero-bottom {
	position: absolute;
	bottom: 20px;
	left: 5%;
	right: 5%;
	display: flex;
	justify-content: space-between;
	align-items: center;
	font-size: 10px;
	letter-spacing: 1px
}

.hero-bottom button {
	color: #fff;
	border: 1px solid #ffffff70;
	background: #0006;
	padding: 6px 12px;
	font-size: 11px
}

/* ----- セクション共通 (section common) ----- */
.page-content {
	max-width: 1440px;
	padding: 0 5%;
	margin: auto
}

.section {
	padding: 48px 0 10px;
	scroll-margin-top: 12px
}

.section-heading {
	border-top: 2px solid #ed1724;
	padding-top: 12px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 26px
}

h2 {
	font-size: 12px;
	letter-spacing: 1.8px;
	margin: 0;
	font-weight: 600
}

.section-heading>span {
	font: 10px 'Roboto Mono', 'Noto Sans JP', monospace;
	color: #888
}

h3 {
	line-height: 1.4;
	margin: 0 0 14px;
	font-size: 18px
}

p {
	margin: 0 0 16px
}

.intro {
	max-width: 760px;
	color: #666
}

/* ----- プログラム (programme) ----- */
.table-wrap {
	width: 100%;
	overflow: auto
}

table {
	border-collapse: collapse;
	width: 100%;
	font-size: 13px
}

th {
	text-align: left;
	font: 10px 'Roboto Mono', 'Noto Sans JP', monospace;
	letter-spacing: 1px;
	color: #888;
	border-top: 1px solid #ddd;
	padding: 9px 8px
}

td {
	padding: 14px 8px;
	border-top: 1px solid #e3e3e0;
	vertical-align: top
}

tr:last-child td {
	border-bottom: 1px solid #ddd
}

td:first-child {
	width: 65px;
	font: 12px/1.7 'Roboto Mono', 'Noto Sans JP', monospace;
	color: #777
}

td:nth-child(2) {
	width: 55%
}

td:nth-child(3) {
	width: 24%
}

small {
	display: block;
	color: #888;
	font-size: 10px;
	line-height: 1.6;
	margin-top: 3px
}

.session-title {
	font-weight: 500
}

.keynote {
	--accent: #505050;
	--tint: #f3f3f1
}

.sensing {
	--accent: #005a8d;
	--tint: #eaf3fa
}

.security {
	--accent: #a84c00;
	--tint: #fff1e4
}

.computing {
	--accent: #00694f;
	--tint: #e6f4ee
}

.panel {
	--accent: #7041a6;
	--tint: #f2edf8
}

/* ----- 3テクノロジー・トラック (tracks) ----- */
.track-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	border: 1px solid #ddd
}

.track {
	padding: 28px;
	position: relative
}

.track+.track {
	border-left: 1px solid #ddd
}

.track-line {
	height: 4px;
	width: 100%;
	display: block;
	background: var(--accent);
	margin: 0 0 18px
}

.track h3 {
	min-height: 52px;
	font-size: 18px
}

.track p {
	color: #666;
	line-height: 1.9;
	font-size: 13px;
	min-height: 150px
}

.track dl {
	border-top: 1px solid #ddd;
	padding-top: 20px;
	display: grid;
	grid-template-columns: 58px 1fr;
	gap: 13px 6px;
	margin-bottom: 0
}

.track dt {
	color: var(--accent);
	font: 10px/2 'Roboto Mono', 'Noto Sans JP', monospace
}

.track dd {
	margin: 0;
	font-size: 12px;
	line-height: 1.5
}

.track dd small {
	font-size: 9px
}

/* ----- スピーカー (speakers) ----- */
.speaker-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 22px
}

.speaker {
	display: block;
	min-width: 0;
	padding: 24px;
	border: 1px solid #ddd;
	border-top: 4px solid var(--accent);
	break-inside: avoid
}

.speaker h3 {
	font-size: 20px;
	margin: 9px 0
}

.speaker p {
	font-size: 11px;
	color: #777;
	line-height: 1.5;
	margin-bottom: 8px
}

.topic {
	color: var(--accent);
	font: 9px/1.6 'Roboto Mono', 'Noto Sans JP', monospace
}

.note {
	font-size: 11px;
	color: #888;
	margin: 20px 0 0
}

/* ----- 会場 (venue) ----- */
.venue-grid {
	display: grid;
	grid-template-columns: 1.1fr 1fr;
	gap: 5%
}

.venue-grid h3 {
	font-size: 26px
}

.venue-grid p {
	color: #666;
	font-size: 13px
}

.facts {
	display: grid;
	grid-template-columns: 70px 1fr;
	margin: 24px 0 0
}

.facts dt,
.facts dd {
	margin: 0;
	padding: 10px 0;
	border-top: 1px solid #ddd
}

.facts dt {
	font-size: 10px;
	color: #888
}

.facts dd {
	font-size: 12px
}

figure {
	margin: 0
}

.venue-image {
	overflow: hidden;
	aspect-ratio: 1.4
}

.venue-image img {
	width: 100%;
	height: 120%;
	object-fit: cover;
	will-change: transform
}

figcaption {
	font: 9px/1.8 'Roboto Mono', 'Noto Sans JP', monospace;
	color: #888;
	padding-top: 9px
}

.map {
	margin-top: 30px;
	min-height: 140px;
	background: #f1f1ef;
	padding: 24px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	color: #888
}

.map>span {
	font: 10px 'Roboto Mono', 'Noto Sans JP', monospace;
	letter-spacing: 2px
}

.map p {
	font-size: 11px;
	margin: 0;
	text-align: right
}

/* ----- 参加登録 (registration) ----- */
.registration-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 7%;
	padding-bottom: 45px
}

.registration-grid h3 {
	font-size: 16px
}

.audience {
	margin: 0
}

.audience dt {
	border-top: 1px solid #ddd;
	padding-top: 12px;
	font-size: 13px;
	font-weight: 600
}

.audience dt span {
	float: right;
	color: #ed1724
}

.audience dd {
	margin: 5px 0 12px;
	color: #888;
	font-size: 11px
}

.fs13 span {
	color: #ed1724
}

.big-register {
	background: #202020;
	color: #fff;
	display: block;
	padding: 20px 24px;
	font-size: 20px;
	margin-top: 24px;
	transition: background .3s
}

.big-register:hover {
	background: #ed1724
}

.big-register>span {
	float: right
}

.registration-cta>p {
	font-size: 11px;
	color: #888;
	margin-top: 14px
}

.registration-cta #registration-status {
	color: #202020
}

/* ----- フッター (footer) ----- */
footer {
	padding: 28px 5%;
	border-top: 1px solid #222;
	display: flex;
	align-items: center;
	gap: 30px
}

footer .brand {
	font-size: 18px
}

footer img {
	width: 100px;
	height: 38px;
	object-fit: contain
}

footer p,
footer small {
	font: 9px/1.8 'Roboto Mono', 'Noto Sans JP', monospace;
	color: #888;
	margin: 0
}

footer .backtop {
	font-size: 24px;
	margin-left: auto
}

/* ----- 進捗バー・スキップリンク・モーション (ui / motion) ----- */
.progress {
	position: fixed;
	height: 2px;
	background: #ed1724;
	top: 0;
	left: 0;
	z-index: 40;
	transform-origin: left;
	transform: scaleX(0);
	width: 100%;
	pointer-events: none
}

.skip {
	position: fixed;
	top: -100px;
	left: 10px;
	z-index: 50;
	background: white;
	padding: 10px
}

.skip:focus {
	top: 10px
}

.motion-enabled .reveal {
	opacity: 0;
	transform: translateY(24px);
	transition: opacity .75s, transform .9s cubic-bezier(.2, .7, .2, 1)
}

.motion-enabled .reveal.visible {
	opacity: 1;
	transform: none
}

.hero-char {
	display: inline-block;
	animation: letter-in .8s both cubic-bezier(.2, .7, .2, 1);
	animation-delay: calc(var(--i)*.025s)
}

@keyframes letter-in {
	from {
		opacity: .2;
		transform: translateY(22px)
	}

	to {
		opacity: 1;
		transform: translateY(0)
	}
}

/* ----- レスポンシブ: 760px以下 ----- */
@media(max-width:760px) {
	header {
		padding: 12px 5%;
		flex-wrap: wrap;
		gap: 6px 12px
	}

	.brand {
		font-size: 22px
	}

	.category {
		font-size: 9px;
		padding-left: 12px
	}

	nav {
		width: 100%;
		justify-content: space-between;
		font-size: 10px;
		gap: 12px
	}

	nav .register {
		padding: 5px 10px
	}

	.hero {
		min-height: 610px;
		height: calc(100svh - 106px);
		max-height: 780px
	}

	.hero-content {
		inset: 25px 5% 70px
	}

	.eyebrow {
		font-size: 8px;
		letter-spacing: 1px
	}

	h1 {
		font-size: clamp(34px, 9.3vw, 70px)
	}

	.hero-subtitle {
		font-size: 14px;
		margin-bottom: 25px
	}

	.event-details {
		grid-template-columns: 1fr 1fr;
		gap: 18px 10px;
		padding-top: 16px
	}

	.event-details strong {
		font-size: 22px
	}

	.event-details strong small {
		font-size: 14px
	}

	.event-details small {
		font-size: 9px
	}

	.hero-cta {
		grid-column: 1/-1;
		display: flex;
		align-items: center;
		gap: 15px;
		padding: 11px 16px;
		font-size: 14px
	}

	.hero-cta>span {
		margin-left: auto;
		order: 3
	}

	.hero-cta small {
		margin: 0
	}

	.hero-bottom {
		font-size: 8px
	}

	.hero-bottom button {
		font-size: 9px
	}

	.section {
		padding-top: 34px
	}

	.section-heading {
		margin-bottom: 20px
	}

	table {
		font-size: 11px;
		min-width: 560px
	}

	td {
		padding: 11px 6px
	}

	td small {
		font-size: 8px
	}

	.track-grid {
		grid-template-columns: 1fr
	}

	.track {
		padding: 24px
	}

	.track+.track {
		border-left: 0;
		border-top: 1px solid #ddd
	}

	.track h3,
	.track p {
		min-height: 0
	}

	.track dl {
		grid-template-columns: 65px 1fr
	}

	.speaker p {
		font-size: 9px
	}

	.topic {
		font-size: 8px
	}

	.venue-grid,
	.registration-grid {
		grid-template-columns: 1fr;
		gap: 26px
	}

	.venue-grid h3 {
		font-size: 24px
	}

	.map {
		display: block;
		min-height: 110px
	}

	.map p {
		text-align: left;
		margin-top: 16px
	}

	footer {
		flex-wrap: wrap;
		gap: 16px
	}

	footer p {
		flex-basis: 100%;
		order: 3
	}

	.registration-grid {
		padding-bottom: 30px
	}
}

/* ----- モーション軽減 (prefers-reduced-motion) ----- */
@media(prefers-reduced-motion:reduce) {
	html {
		scroll-behavior: auto
	}

	*,
	*:before,
	*:after {
		animation: none !important;
		transition: none !important
	}

	.motion-enabled .reveal {
		opacity: 1;
		transform: none
	}

	.hero-media,
	.venue-image img {
		transform: none !important
	}
}

/* ----- トラック識別・スピーカー詳細 (track key / speakers) ----- */
.track-key {
	display: inline-flex;
	gap: 9px;
	align-items: center;
	font-size: 11px;
	line-height: 1.5;
	color: var(--accent);
	font-weight: 600
}

.track-code {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	width: 27px;
	height: 27px;
	background: var(--accent);
	color: #fff;
	font: 700 11px 'Arimo', 'Noto Sans JP', sans-serif;
	border-radius: 3px
}

tr.sensing,
tr.security,
tr.computing {
	background: var(--tint)
}

tr.sensing td:first-child,
tr.security td:first-child,
tr.computing td:first-child {
	border-left: 5px solid var(--accent);
	padding-left: 12px
}

.session-summary {
	font-size: 10px;
	color: #666;
	margin: 5px 0 0
}

.session-kind {
	font: 10px 'Arimo', 'Noto Sans JP', sans-serif;
	color: #555
}

.track>p.track-key {
	min-height: 0;
	margin: 0 0 18px
}

.speaker-top {
	display: grid;
	grid-template-columns: 70px 1fr;
	gap: 18px;
	align-items: start
}

.portrait-placeholder {
	height: 88px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: #ffffff;
	color: #666;
	font: 10px/1.8 'Roboto Mono', 'Noto Sans JP', monospace;
	text-align: center
}

.speaker .topic {
	display: flex;
	align-items: center;
	gap: 8px;
	font: 11px/1.5 'Arimo', 'Noto Sans JP', sans-serif;
	color: var(--accent)
}

.speaker .speaker-org {
	font-size: 12px;
	line-height: 1.8;
	margin: 0;
	color: #555
}

.speaker-logo {
	height: 45px;
	width: 140px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: #ffffff;
	color: #777;
	font: 10px 'Roboto Mono', 'Noto Sans JP', monospace;
	margin: 18px 0
}

.speaker-logo--left {
	justify-content: flex-start;
}

.speaker-profile {
	margin: 18px 0
}

.speaker-profile dt {
	font-size: 10px;
	color: #666;
	margin: 10px 0 3px
}

.speaker-profile dd {
	margin: 0;
	font-size: 12px;
	line-height: 1.9
}

.speaker-profile .bio {
	min-height: 50px
}

.speaker-talk {
	border-top: 1px solid #ddd;
	padding-top: 15px
}

.talk-label {
	font: 10px/1.7 'Arimo', 'Noto Sans JP', sans-serif;
	letter-spacing: 1px;
	color: #666;
	margin: 0 0 8px
}

.speaker-talk h4 {
	font-size: 13px;
	margin: 0 0 10px;
	line-height: 1.7
}

.speaker-talk p:not(.talk-label) {
	font-size: 12px;
	line-height: 1.9;
	color: #555;
	overflow-wrap: anywhere
}

/* ----- 主催・パートナー (organizer / partners) ----- */
.organizer-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	border: 1px solid #ddd
}

.organizer-card,
.partner-pending {
	padding: 28px
}

/* .organizer-card {
	border-right: 1px solid #ddd
} */

.organizer-card img {
	width: 145px;
	height: 55px;
	object-fit: contain;
	margin: 15px 0
}

.organizer-card>p:last-child {
	font-size: 12px;
	margin: 0
}

.partner-pending>p:last-child {
	font-size: 22px;
	color: #666;
	margin: 20px 0
}

/* ----- レスポンシブ: スピーカー・主催 (speakers / organizer mobile) ----- */
@media(max-width:760px) {
	.speaker-grid {
		grid-template-columns: 1fr
	}

	.speaker {
		padding: 20px
	}

	.speaker-top {
		grid-template-columns: 60px 1fr;
		gap: 14px
	}

	.track-code {
		width: 25px;
		height: 25px
	}

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

	.organizer-card {
		border-right: 0;
		border-bottom: 1px solid #ddd
	}
}

/* ----- モバイル: プログラム表 (programme mobile) ----- */
@media screen and (max-width:760px) {
	#programme .table-wrap {
		overflow: visible;
		width: 100%;
		min-width: 0
	}

	#programme table {
		display: block;
		min-width: 0;
		width: 100%;
		font-size: 13px
	}

	#programme thead {
		position: absolute;
		width: 1px;
		height: 1px;
		padding: 0;
		margin: -1px;
		overflow: hidden;
		clip-path: inset(50%);
		white-space: nowrap
	}

	#programme tbody {
		display: grid;
		width: 100%;
		min-width: 0;
		gap: 12px
	}

	#programme tr {
		display: grid;
		grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
		width: 100%;
		min-width: 0;
		padding: 16px;
		border: 1px solid #ddd;
		border-left: 4px solid var(--accent, #999);
		gap: 10px 12px;
		border-radius: 3px
	}

	#programme td {
		display: block;
		border: 0 !important;
		padding: 0 !important;
		width: auto !important;
		min-width: 0;
		overflow-wrap: anywhere
	}

	#programme td:first-child {
		grid-column: 1;
		grid-row: 1;
		font: 700 13px/1.8 'Roboto Mono', 'Noto Sans JP', monospace;
		color: #444
	}

	#programme td:nth-child(2) {
		grid-column: 1/-1;
		grid-row: 2;
		font-size: 14px;
		line-height: 1.8
	}

	#programme td:nth-child(3) {
		grid-column: 1/-1;
		grid-row: 3;
		font-size: 12px;
		line-height: 1.8;
		color: #555
	}

	#programme td:nth-child(3):not(:empty):before {
		content: '登壇者：';
		font-size: 11px;
		color: #666
	}

	#programme td:nth-child(4) {
		grid-column: 2;
		grid-row: 1;
		justify-self: end;
		align-self: center
	}

	#programme .session-title {
		font-weight: 600
	}

	#programme .session-summary {
		font-size: 11px;
		line-height: 1.8;
		margin-top: 7px
	}

	#programme .track-key {
		font-size: 10px;
		gap: 6px;
		align-items: flex-start
	}

	#programme .track-code {
		width: 23px;
		height: 23px;
		font-size: 10px
	}
}

/* ----- スクロール表示アニメーション (reveal) ----- */
@media screen and (prefers-reduced-motion:no-preference) {
	.motion-enabled .reveal {
		opacity: 0;
		transform: translate3d(0, 42px, 0);
		transition: opacity 1s cubic-bezier(.22, .61, .36, 1), transform 1.15s cubic-bezier(.22, 1, .36, 1);
		transition-delay: var(--reveal-delay, 0ms)
	}

	.motion-enabled .reveal.visible {
		opacity: 1;
		transform: translate3d(0, 0, 0)
	}

	.motion-enabled .heading-reveal {
		transform: translate3d(0, 25px, 0);
		transition-duration: .85s, 1s
	}

	.motion-enabled .media-reveal {
		clip-path: inset(0 0 100% 0);
		transition: clip-path 1.25s cubic-bezier(.22, 1, .36, 1)
	}

	.motion-enabled .media-reveal.visible {
		clip-path: inset(0)
	}

	.hero-media {
		backface-visibility: hidden
	}

	.venue-image img {
		backface-visibility: hidden
	}

	.hero-char {
		animation-duration: 1s;
		animation-timing-function: cubic-bezier(.22, 1, .36, 1);
		animation-delay: calc(var(--i)*.018s)
	}
}

@media screen and (max-width:760px) and (prefers-reduced-motion:no-preference) {
	.motion-enabled .reveal {
		transform: translate3d(0, 24px, 0);
		transition-duration: .75s, .9s
	}

	.motion-enabled .reveal.visible {
		transform: translate3d(0, 0, 0)
	}
}

/* ----- 未確定表示・プログラム詳細 (tbd / programme detail) ----- */
.tbd {
	color: #c41425 !important;
	font-weight: 700;
	white-space: nowrap
}

.pending-speakers {
	margin: 7px 0;
	font-size: 12px
}

.programme-person {
	margin-bottom: 8px;
	line-height: 1.55
}

.programme-person:last-child {
	margin-bottom: 0
}

.programme-person>a {
	text-decoration: underline;
	text-decoration-color: #aaa;
	text-underline-offset: 3px
}

.programme-person small {
	font-size: 10px;
	color: #666
}

.programme-operations {
	font-size: 11px;
	color: #666;
	margin: 16px 0 0
}

.track .track-pending {
	min-height: 0;
	font-size: 12px;
	margin: 16px 0 0
}

.track dd .tbd {
	font-size: 12px
}

.speaker-talk p .tbd {
	font-weight: 700
}

/* ----- モバイル: プログラム詳細 ----- */
@media screen and (max-width:760px) {
	#programme td:nth-child(3):not(:empty):before {
		display: block;
		margin-bottom: 6px
	}

	.programme-person {
		margin-bottom: 10px
	}

	.programme-person>a {
		font-size: 13px
	}

	.programme-person small {
		font-size: 11px
	}
}

/* ----- パネル枠 (panel) ----- */
tr.panel {
	background: var(--tint)
}

tr.panel td:first-child {
	border-left: 5px solid var(--accent);
	padding-left: 12px
}

tr.panel .session-title {
	color: var(--accent);
	font-weight: 700
}

tr.panel .session-kind {
	display: inline-block;
	padding: 5px 10px;
	background: var(--accent);
	color: #fff;
	border-radius: 3px;
	font-weight: 700
}

/* ----- タブレット: ナビ (tablet nav) ----- */
@media screen and (min-width:761px) and (max-width:1024px) {
	header {
		flex-wrap: wrap;
		gap: 10px 24px
	}

	nav {
		width: 100%;
		justify-content: space-between
	}

	html {
		scroll-padding-top: 120px
	}
}

/* ----- 極小画面 (max-width: 360px) ----- */
@media screen and (max-width:360px) {
	nav {
		gap: 8px
	}
}

/* ----- 印刷 (print) ----- */
@media print {
	@page {
		size: 320mm 270mm;
		margin: 12mm
	}

	html {
		scroll-behavior: auto
	}

	body {
		font-size: 13px
	}

	header {
		position: static;
		padding: 0 0 15px;
		background: white
	}

	nav {
		display: none
	}

	.hero {
		height: 820px;
		min-height: 0;
		break-after: page
	}

	.hero-media {
		inset: 0;
		transform: none
	}

	.hero-media video {
		display: none
	}

	.print-poster {
		display: block
	}

	.hero-bottom {
		display: none
	}

	.page-content {
		padding: 0
	}

	.section {
		padding-top: 18px;
		break-inside: avoid
	}

	.section-heading {
		margin-bottom: 23px
	}

	.track {
		padding: 24px
	}

	.track p {
		min-height: 130px
	}

	.track h3 {
		min-height: 52px
	}

	#venue {
		break-after: page;
		padding-top: 0
	}

	.venue-image img {
		transform: none;
		height: 100%
	}

	#partners {
		padding-top: 0
	}

	.map {
		min-height: 150px
	}

	footer {
		padding: 25px 0;
		gap: 20px
	}

	footer .backtop {
		display: none
	}

	.motion-enabled .reveal {
		opacity: 1;
		transform: none
	}

	.progress,
	.skip {
		display: none
	}

	.registration-grid {
		padding-bottom: 20px
	}

	.hero-char {
		animation: none
	}

	.registration-cta #registration-status {
		display: none
	}

	.hero-content {
		display: block;
		inset: 50px 40px 45px
	}

	.hero-content .event-details {
		position: absolute;
		bottom: 0;
		left: 0;
		right: 0;
		min-height: 130px;
		align-items: center
	}

	.hero-cta {
		align-self: center;
		height: auto
	}

	.hero-subtitle {
		margin-top: 25px
	}

	.hero h1 {
		margin-top: 90px;
		font-size: 96px
	}

	#tracks {
		padding-top: 0;
		break-after: page
	}

	#speakers {
		break-inside: auto;
		break-after: page;
		padding-top: 0
	}

	.speaker .speaker-org {
		font-size: 11px
	}

	table td:nth-child(2) {
		width: 49%
	}

	table td:nth-child(3) {
		width: 14%
	}

	table td:nth-child(4) {
		width: 28%
	}

	tr {
		break-inside: avoid
	}

	.track-key {
		font-size: 10px
	}

	.organizer-row {
		break-inside: avoid
	}

	.speaker-grid {
		display: grid;
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 16px
	}

	.speaker-top {
		grid-template-columns: 60px 1fr;
		gap: 12px
	}

	.portrait-placeholder {
		height: 72px
	}

	.reveal,
	.media-reveal {
		opacity: 1 !important;
		transform: none !important;
		clip-path: none !important
	}

	#programme {
		break-after: page;
		break-inside: auto
	}

	#programme table {
		font-size: 11px
	}

	#programme .section-heading {
		break-after: avoid
	}

	#programme table td:nth-child(2) {
		width: 38%
	}

	#programme table td:nth-child(3) {
		width: 29%
	}

	#programme table td:nth-child(4) {
		width: 23%
	}

	.programme-person {
		margin-bottom: 4px
	}

	.programme-person small {
		font-size: 9px
	}

	.session-summary {
		font-size: 9px
	}

	#programme tr {
		break-inside: avoid
	}

	#programme td {
		padding-top: 5px;
		padding-bottom: 5px;
		font-size: 10px;
		line-height: 1.5
	}

	#programme .programme-person {
		margin: 0 0 3px;
		line-height: 1.4
	}

	#programme .programme-person small {
		display: inline;
		font-size: 9px;
		margin: 0 0 0 5px
	}

	#programme .session-summary {
		margin: 3px 0 0;
		font-size: 9px;
		line-height: 1.45
	}

	#programme .track-code {
		width: 22px;
		height: 22px;
		font-size: 10px
	}

	#programme .track-key {
		font-size: 9px;
		gap: 6px
	}

	#programme .programme-operations {
		font-size: 10px;
		margin-top: 12px
	}

	.speaker {
		break-inside: avoid;
		display: block;
		width: auto;
		margin: 0;
		padding: 14px
	}

	.speaker h3 {
		font-size: 16px;
		margin: 5px 0
	}

	.speaker-profile {
		margin: 8px 0
	}

	.speaker-profile dt {
		margin: 6px 0 2px
	}

	.speaker-profile dd {
		font-size: 11px;
		line-height: 1.6
	}

	.speaker-profile .bio {
		min-height: 0
	}

	.speaker-logo {
		height: 24px;
		margin: 9px 0
	}

	.speaker-talk {
		padding-top: 8px
	}

	.speaker-talk h4 {
		font-size: 12px;
		margin-bottom: 4px
	}

	.speaker-talk p {
		margin-bottom: 0;
		font-size: 10px;
		line-height: 1.6
	}
}

/* ----- 登壇者画像 (speakers) ----- */
.portrait-placeholder img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover
}

.speaker-logo:has(img) {
	background: #fff
}

.speaker-logo img {
	display: block;
	max-height: 100%;
	width: auto;
	max-width: 100%;
	object-fit: contain
}

.speaker-talk ul {
	margin: 0 0 10px;
	padding-left: 1.3em;
	font-size: 12px;
	line-height: 1.9;
	color: #555
}

.speaker-talk li {
	margin: 0 0 4px
}