@charset "utf-8";

/* header title */
header div.title {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	flex-wrap: wrap;
	color: #ffffff;
	text-align: center;
	min-width: 1100px;
	margin: 0 auto;
	padding: 68px 0 0;
	text-align: center;
}
header div.title h1 {
	font-size: 56px;
	font-weight: bold;
	line-height: 1;
	margin: 0;
	border: none;
	padding: 0;
	width: 100%;
}
header div.title h1 img {
	width: 100%;
	height: auto;
	image-rendering: -webkit-optimize-contrast;
}

/* main */
main {
	font-size: 16px;
	padding: 0;
}

/* for fixed nav */
#greeting::before,
#outline::before,
#topics::before,
#live::before,
#faq::before,
#sponsor::before {
	content: "";
	display: block;
	height: 70px;
	margin-top: -70px;
	visibility: hidden;
}

.keynote-hero {
  background: var(--purple);
  position: relative;
  padding: 30px;
  text-align: center;
  color: var(--white);
  position: relative;
}
.keynote-hero p {
	color: var(--white);
	margin: 0;
	width: fit-content;
	margin-left: auto;
	margin-right: auto;
	text-align: center;
	font-size: 22px;
	line-height: 1.8;
	font-weight: 700 !important;
	padding: 0;
}
.keynote-hero:after {
	z-index: 3;
  content: "";
  width: 0;
  height: 0;
  position: absolute;
  bottom: -25px;
  left: 50%;
  transform: translate(-50%);
  border-top: 60px solid #7855FA;
  border-left: 60px solid rgba(0, 0, 0, 0);
  border-right: 60px solid rgba(0, 0, 0, 0);
}


/* message */
#message {
	width: 1100px;
	margin: 0 auto;
	padding: 65px 0 0;
	text-align: center;
	line-height: 1.5
}
#message p {
	line-height: 2em;
}

/* greeting */
#greeting {
	/*padding: 65px 0;*/
	/*min-width: 1100px;*/
	/*background: #E0E1FF;	*/
	background: var(--black);
	color: var(--white);
	width: 100%;
	display: flex;
	align-items: center;
}
#greeting h2 {
	color: var(--white);
}
#greeting h2:before {
	background: var(--white);
}
#greeting .wrap {
        flex-grow: 1;
        width: 50%;
        padding: 40px 3%;
        box-sizing: border-box;
}
#greeting .greeting_movie  {
        flex-grow: 1;
        width: 50%;
        box-sizing: border-box;
        position: relative;
        overflow: hidden;
        min-height: 530px;
}
#greeting .greeting_movie video {
	width: 100%;
    height: 100%;
    object-fit: cover; 
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
}
#greeting .greeting_movie:after {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	height: 100%;
    width: 120%;
    z-index: 2;
    overflow: hidden;
    background: linear-gradient(to right, rgba(0, 0, 0, 1) 0%, /* black */ rgba(0, 0, 0, 0.7) 25%, /* stay black till 60% */ rgba(0, 0, 0, 0.5) 30%, rgba(0, 0, 0, 0.4) 35%, rgba(0, 0, 0, 0.3) 50%, rgba(0, 0, 0, 0.2) 80%, rgba(0, 0, 0, 0.1) 85%, rgba(0, 0, 0, 0.1) 90%, rgba(0, 0, 0, 0) 95%, rgba(0, 0, 0, 0) 100% /* transparent */);
}

#greeting p {
	line-height: 2em;
}

/* outline */
#outline {
	min-width: 1100px;
	background-color: var(--outline-bg);
	padding: 65px 0;
	color: var(--outline-color);
}
#outline .wrap {
	background-color: var(--outline-wrap);
	padding: 65px 0;
}
#outline h2 {
	color: var(--outline-title);
}
#outline h2:before {
	background: var(--outline-title);
}
#outline table {
	margin: 0 auto;
	width: 85%;
}
#outline table tr th {
	width: 290px;
	font-weight: bold;
	border-top: 1px solid var(--outline-table-border);
	padding: 12px 0;
	color: var(--outline-table-color);
	vertical-align: top;
	line-height: 1.6;
	text-align: center; 
}
#outline table tr:first-child th {
	border-top: none;
}
#outline table tr td {
	border-top: 1px solid var(--outline-table-border);
	padding: 12px 0;
	line-height: 1.6;
}
#outline table tr:first-child td {
	border-top: none;
}
.sns_icon {
	margin: 20px 0 0 160px;
}
.sns_icon a img{
	width: 50px;
	margin-right: 20px;
}

/* topics */
#topics .wrap {
	padding: 65px 0;
}
ul.topics {
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	width: 100%;
	margin: 0 auto;
	padding: 0;
}
ul.topics li {
	width: 320px;
	background-color: var(--black);
	list-style: none;
	margin: 20px 20px;
	position: relative;
	height: 280px;
	padding-bottom: 20px;
}
ul.topics li a:hover {
	opacity: 0.7;
}
ul.topics li .thumbnail {
	/*max-height: 180px;*/
	/*overflow: hidden;*/
	position: absolute;
	bottom: 0;
	left: 0;
}
ul.topics li .thumbnail img {
	width: 100%;
}
ul.topics li .description {
	padding: 10px 10px;
	font-size: 13px;
	color: var(--topics-discription);
	line-height: 1.6;
	position: absolute;
	top: 10px;
	width: 85%;
	right: 0;
}
ul.topics li .description .topic_title {
	font-size: 24px;
	font-weight: bold;
	margin-bottom: 10px;
}
.topic_description {
	background: none;
	color: #fff;
}
ul.topics li .btn {
	position: absolute;
	text-align: center;
	width: 130px;
	background: #fff;
	color: #000;
	padding: 5px 10px;
	bottom: 10px;
	font-weight: bold;
	right: 10px;
	z-index: 2;
	font-size: 13px;
}
ul.topics li:nth-child(4) .btn,
ul.topics li:nth-child(3) .btn {
	display: none;
}

/* program */
#program {
	background-color: var(--program-bg);
	padding: 65px 0;
	min-width: 1100px;
}
#program .wrap .title-container {
	background-color: var(--program-bg);;
	padding: 65px 0 40px;
	margin-bottom: 20px;
}
#program .wrap .title-container h3 {
	margin-bottom: 0;
}

/* faq */
#faq .wrap {
	padding: 65px 0 0;
}
#faq .faq_list {
	padding: 0 0 65px 0;
	list-style: none;
}
#faq .faq_list .faq_item {
	padding: 32px 0;
	border-bottom: solid var(--faq-border) 1px;
}
#faq .faq_list .faq_item p {
	margin: 18px 0;
	font-size: 18px;
}
#faq .faq_list .question {
	display: flex;
	align-items: center;
	color: var(--faq-color);
	font-weight: bold;
	padding: 0 0 12px 0;
}
#faq .faq_list .question::before {
	content: "Q";
	display: grid;
	place-items: center;
	margin: 0 12px 0 0;
	min-width: 30px;
	height: 30px;
	color: var(--faq-question-icon-font);
	background-color: var(--faq-question-icon-bg);
}
#faq .faq_list .answer {
	display: flex;
	align-items: center;
}
#faq .faq_list .answer::before {
	content: "A";
	display: grid;
	place-items: center;
	margin: 0 12px 0 0;
	min-width: 30px;
	height: 30px;
	color: var(--faq-answer-icon-font);
	background-color: var(--faq-answer-icon-bg);
}

/* sponsor */
#sponsor {
	background: var(--black);
	overflow: hidden;
	padding: 65px 0 0;
}
#sponsor h2 {
	color: var(--white);
}
#sponsor h2:before {
	background: var(--white);
}
#sponsor .wrap {
	padding: 65px 0 0;
}
.sponsor_area {
	background: var(--white);
	padding: 40px;
	width: 100%;
	text-align: center;
}
.sponsor_area h3 {
	align-items: center;
  display: flex;
	display: flex;
	justify-content: center;
	padding: 10px 15px;
	color: #131313;
	font-size: 22px;
	position: relative;
	z-index: 1;
}
.sponsor_area h3::before,
.sponsor_area h3::after {
  background-color: var(--purple);
  content: "";
  flex-grow: 1;
  height: 2px;
}
.sponsor_area h3::before {
  margin-right: 15px;
}
.sponsor_area h3::after {
  margin-left: 15px;
}
.sponsor_area p {
	text-align: right;
	margin: 20px 0 0;
}
.sponsor_area ul.logo_list {
	margin: 60px 0;
	display: flex;
	justify-content: center;
	gap: 40px 80px;
	list-style: none;
	width: 100%;
	text-align: center;
	flex-wrap: wrap;
}
.sponsor_area ul.logo_list li a {
	color: var(--purple);
}
.sponsor_area ul.logo_list.platinum {
	gap: 80px 160px;
	flex-wrap: wrap;
}
.sponsor_area ul.logo_list.gold {
	gap: 60px 150px;
}
.sponsor_area ul.logo_list.silver {
	/*gap: 100px 120px;*/
	gap: 100px 60px;
}
.sponsor_area ul.logo_list.bronze {
	gap: 60px 120px;
	padding: 0 40px;
	flex-wrap: wrap;
}
.sponsor_area ul.logo_list.eco {
	gap: 60px 120px;
	padding: 0 40px;
	flex-wrap: wrap;
}
.sponsor_area ul.logo_list li {
	width: 280px;
	display: flex;
	gap: 40px 0;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
}
.sponsor_area ul.logo_list li a {
	width: 100%; 
}
.sponsor_area ul.logo_list li img {
	width: 100%;
	height: auto;
}
.sponsor_area ul.logo_list li.joint a {
	width: 46%;
	position: relative;
}
.sponsor_area ul.logo_list li.joint a:first-child:after {
	content: "";
	position: absolute;
	height: 80px;
	width: 1px;
	background: #444;
	top: 0;
	bottom: 0;
	margin: auto;
	right: -6%;
}
.sponsor_area ul.logo_list.platinum li  {
	width: 320px;
}
.sponsor_area ul.logo_list.platinum li.joint {
	width: 380px;
}
.sponsor_area ul.logo_list.gold li {
	/*width: 250px;*/
	width: 230px;
}
.sponsor_area ul.logo_list.silver li {
	/*width: 180px;*/
	width: 295px;
}
.sponsor_area ul.logo_list.silver li.joint {
	width: 295px;
}
.sponsor_area ul.logo_list.silver li.joint a:first-child:after {
	display: none;
}
.sponsor_area ul.logo_list.silver li.joint a {
	width: 44%;
}
.sponsor_area ul.logo_list.silver li.joint span {
	width: 1px;
	height: 50px;
	background: #444;
}
.sponsor_area ul.logo_list.bronze li{
	width: 150px;
}
.sponsor_area ul.logo_list.eco li{
	width: 150px;
}
.sponsor_area ul.logo_list li.parts2 {
}
.sponsor_area ul.logo_list li a:hover {
	opacity: 0.7;
}
.sponsor_area ul.logo_list li img.aws {
	width: 75%;
}
/*.sponsor_area ul.logo_list li.hpe_li {*/
/*	width: 100%;*/
/*}*/
.sponsor_area ul.logo_list li img.hpe {
	width: 80%;
	/*width: 256px;*/
}
.sponsor_area ul.logo_list li img.fujitsu {
	width: 60%;
}
.sponsor_area ul.logo_list li img.fsas {
	width: 60%;
}
.sponsor_area ul.logo_list li img.uila {
	width: 100%;
}
.sponsor_area ul.logo_list li img.lenobo {
	width: 80%;
}
.sponsor_area ul.logo_list li img.veeam {
	width: 60%;
}
.sponsor_area ul.logo_list li img.f5 {
	/*width: 70%;*/
	width: 28%;
	
}
.sponsor_area ul.logo_list li img.omron {
	width: 60%;
}
.sponsor_area ul.logo_list li.citrix {
	width: 120px;
}
.sponsor_area ul.logo_list li img.citrix {
	/*width: 90%;*/
	width: 75%;
}
.sponsor_area ul.logo_list li img.cxj {
	width: 50%;
}
.sponsor_area ul.logo_list li img.ups {
	width: 55%;
}
.sponsor_area ul.logo_list li img.iret {
	width: 65%;
}
.sponsor_area ul.logo_list li img.purestorage {
	width: 40%;
}
.sponsor_area ul.logo_list li img.scsk {
	width: 90%;
}
.sponsor_area ul.logo_list li img.networld {
	width: 90%;
}
.sponsor_area ul.logo_list li img.dis {
	width: 80%;
}
.sponsor_area ul.logo_list li img.sbcs {
	width: 80%;
}

/* register */
div.register {
	display: flex;
	justify-content: center;
	align-items: center;
	padding: 100px 0;
	background: var(--black);
}
div.register .box-button {
	width: 310px;
	font-size: 26px;
	font-weight: bold;
	padding: 20px 0;
}
div.register a,
div.register a:visited{
	background-color: var(--purple);
	border: 2px solid var(--purple);
}
div.register a:hover {
	color: var(--purple);
	background-color: var(--black);
	border-color: var(--purple);
	opacity: 1;
}