@charset "utf-8";

/* header title */
header div.title {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	flex-wrap: wrap;
	text-align: center;
	min-width: 1100px;
	margin: 0 auto;
	padding: 76px 0 0;
	text-align: center;
	min-height: 665px;
	background: url(../images/common/mv_bg.jpg) no-repeat center;
}
@media (max-width: 1099px) {
	header div.title {
		min-width: 100%;
	}
}
header div.title .wrap {
	width: 1330px;
	margin: 0 auto;
	max-width: 100%;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	flex-wrap: wrap;
	position: relative;
}
header div.title h1 {
	font-size: 56px;
	font-weight: bold;
	line-height: 1;
	margin: 0;
	border: none;
	padding: 0;
	width: 700px;
}
@media (max-width: 1099px) {
	header div.title h1 {
		width: 53%;
	}
}
header div.title h1 img {
	width: 100%;
	height: auto;
	image-rendering: -webkit-optimize-contrast;
}
header div.title .linkbtn {
	width: 350px;
	margin: 20px 0 0;
}
header div.title .linkbtn img {
	width: 100%;
	height: auto;
}
header div.title .linkbtn a img{
	transition: all 300ms ease;
	filter:
    drop-shadow(0 4px 4px rgba(0, 0, 0, 0.2)) 
    drop-shadow(0 10px 16px rgba(160, 30, 0, 0.3));
  transition: transform 0.25s ease, filter 0.25s ease;
}
header div.title .linkbtn a:hover img {
	transform: scale(1.1, 1.1);
}
header div.title .left_symbol {
	position: absolute;
  width: 443px;
  left: -78px;
  top: 0;
  bottom: 0;
  margin: auto;
}
@media (max-width: 1099px) {
	header div.title .left_symbol {
		left: 0;
		width: 30%;
	}
}
header div.title .left_symbol img {
	width: 100%;
	height: auto;
}
header div.title .right_symbol {
	position: absolute;
	width: 185px;
	right: 122px;
	top: -32px;
}
@media (max-width: 1099px) {
	header div.title .right_symbol {
		width: 22%;
        right: 0px;
        top: -19%;
	}
}
header div.title .right_symbol img {
	width: 100%;
	height: auto;
}
header div.title .keynote {
	position: absolute;
	width: 370px;
	right: 0px;
	bottom: 0px;
}
@media (max-width: 1099px) {
	header div.title .keynote {
		width: 28%;
	}
}
header div.title .keynote img {
	width: 100%;
	height: auto;
}

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

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

section {
	padding: 80px 0;
	position: relative;
}
.section {
	position: relative;
}
.section-inner {
	width: 1200px;
	max-width: 95%;
	margin: 0 auto;
}
@media (max-width: 1099px) {
	.section-inner {
		width: 100%;
		max-width: 98%;
	}
}
/* =============================
supporter 
================================*/

#supporter {
	width: 100%;
	background: var(--white);
	padding: 0;
	position: relative;
	z-index: 4;
}

/*
left to right
----------------------------*/
@keyframes infinity-scroll-left {
	from {
		transform: translateX(0);
	}
	to {
		transform: translateX(-100%);
	}
}

@keyframes infinity-scroll-right {
	from {
		transform: translateX(-100%);
	}
	to {
		transform: translateX(0);
	}
}


.d-demo__wrap {
	display: flex;
	overflow: hidden;
}

.d-demo__list {
	/*display: flex;*/
	/*list-style: none;*/
	/*gap:30px;*/
	/*align-items: center;*/
	display: flex;
	list-style: none;
	gap: 0;
	margin-left: 0;
	align-items: center;
	
}

.d-demo__list-left {
	animation :infinity-scroll-left 95s infinite linear 0.5s both;
}
.d-demo__list-right {
	animation: infinity-scroll-right 95s infinite linear 0.5s both;
}


.d-demo__item {
	/*width: calc(100vw / 10);*/
	/*text-align: center;*/
	/*background: var(--white);*/
	/*border-radius: 20px;*/
	/*height: 130px;*/
	/*display: flex;*/
	/*align-items: center;*/
	/*justify-content: center;*/
	flex: none;
	width: auto; 
	height: 130px;
	padding: 0 24px;
	margin-right: 30px;
	background: var(--white);
	border-radius: 20px;
	display: flex;
	align-items: center;
	justify-content: center;
}
/*@media only screen and (max-width: 1299px) {*/
/*	.d-demo__item {*/
/*		width: calc(100vw / 8);*/
/*	}*/
/*}*/
/*@media only screen and (max-width: 950px) {*/
/*	.d-demo__item {*/
/*		width: calc(100vw / 6);*/
/*	}*/
/*}*/
@media only screen and (max-width: 768px) {
	.d-demo__item {
		/*width: calc(100vw / 4);*/
		height: 50px;
		padding: 0 14px;
		margin-right: 0;
	}
}
	

.d-demo__item a {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
}
.d-demo__item img {
	/*width: 95%;*/
	/*height: auto;*/
	width: auto;
	height: 56px;
	display: block;
}
@media only screen and (max-width: 768px) {
	.d-demo__item img {
		height: 60%;
	}
}
.d-demo__item img.ai2 {
	height: 30px;
}
.d-demo__item img.scsk {
	height: 40px;
}
.d-demo__item img.ftime {
	height: 35px;
}
.d-demo__item img.pksha {
	height: 48px;
}
.d-demo__item img.flyle {
	height: 33px;
}
.d-demo__item img.mobilus {
	height: 35px;
}
.d-demo__item img.tmj {
	height: 30px;
}
.d-demo__item img.biztel {
	height: 21px;
}
.d-demo__item img.insight{
	height: 75px;
}
.d-demo__item img.learningit{
	height: 46px;
}
.d-demo__item img.ccj{
	height: 30px;
}
.d-demo__item img.righttouch {
	height: 30px;
}
.d-demo__item img.nesic {
	height: 22px;
}
.d-demo__item img.ntttx {
	height: 38px;
}
.d-demo__item img.docomo {
	height: 42px;
}
.d-demo__item img.catai {
	height: 37px;
}
.d-demo__item img.comdesign {
	height: 40px;
}
.d-demo__item img.tsuzuki {
	height: 29px;
}
.d-demo__item img.advanced {
	height: 48px;
}
.d-demo__item img.kirin {
	height: 38px;
}
.d-demo__item img.gaitame {
	height: 29px;
}
.d-demo__item img.coc {
	height: 75px;
}
.d-demo__item img.ccaj {
	height: 40px;
}
@media only screen and (max-width: 768px) {
	.d-demo__list {
		--s: 0.55;
	}
	.d-demo__item img.ai2         { height: calc(30px * var(--s)); }
	.d-demo__item img.scsk        { height: calc(40px * var(--s)); }
	.d-demo__item img.ftime       { height: calc(35px * var(--s)); }
	.d-demo__item img.pksha       { height: calc(48px * var(--s)); }
	.d-demo__item img.flyle       { height: calc(33px * var(--s)); }
	.d-demo__item img.mobilus     { height: calc(35px * var(--s)); }
	.d-demo__item img.tmj         { height: calc(30px * var(--s)); }
	.d-demo__item img.biztel      { height: calc(21px * var(--s)); }
	.d-demo__item img.insight     { height: calc(75px * var(--s)); }
	.d-demo__item img.learningit  { height: calc(46px * var(--s)); }
	.d-demo__item img.ccj         { height: calc(30px * var(--s)); }
	.d-demo__item img.righttouch  { height: calc(30px * var(--s)); }
	.d-demo__item img.nesic       { height: calc(22px * var(--s)); }
	.d-demo__item img.ntttx       { height: calc(38px * var(--s)); }
	.d-demo__item img.docomo      { height: calc(38px * var(--s)); }
	.d-demo__item img.catai       { height: calc(37px * var(--s)); }
	.d-demo__item img.comdesign   { height: calc(40px * var(--s)); }
	.d-demo__item img.tsuzuki     { height: calc(29px * var(--s)); }
	.d-demo__item img.advanced    { height: calc(48px * var(--s)); }
	.d-demo__item img.kirin       { height: calc(38px * var(--s)); }
	.d-demo__item img.gaitame     { height: calc(29px * var(--s)); }
	.d-demo__item img.coc         { height: calc(75px * var(--s)); }
	.d-demo__item img.ccaj        { height: calc(40px * var(--s)); }
}
/* =============================
speaker
================================*/

#speaker {
	background: var(--lightgray03);
	padding: 80px 0 300px;
}
#speaker h2{
	width: 587px;
	margin: 0 auto 40px;
	max-width: 85%;
}
#speaker h2 picture img {
	width: 100%;
	height: auto;
}
.speaker-section {
  position: relative;         /* metaball-layerの基準にする */
  min-height: 100vh;          /* pin中に画面いっぱいに見えるようにする */
  overflow: clip;             /* canvasのはみ出し防止（hiddenだとsticky系と相性が悪いので念のためclip）*/
  isolation: isolate;

  --metaball-tint: #eff5fd;   /* 下地の色（元のデザインと同じ値） */
  --metaball-blur: 12px;
  background-color: var(--metaball-tint);
}

.metaball-layer {
  position: sticky;
  top: 0;
  height: 100vh; 
  margin-bottom: -100vh;
  z-index: 0;
}

.metaball-bg {
  display: block;
  width: 100%;
  height: 100%;
  filter: blur(var(--metaball-blur, 12px));
  opacity: var(--metaball-opacity, 1);
}

.section-inner {
  position: relative;
  z-index: 1;
}

/* SPだけ濃さ・ぼかし・玉の大きさを調整（元のデザインの値をそのまま流用） */
@media (max-width: 767px) {
  .speaker-section {
    --metaball-blur: 6px;
    --metaball-size: 1.8;
    --metaball-opacity: 0.55;
  }
}

#speaker .keynote_speaker {
	list-style-type: none;
	display: flex;
	justify-content: center;
	gap: 80px;
}
@media (max-width: 1099px) {
	#speaker .keynote_speaker {
		gap: 40px;
	}
}
#speaker .keynote_speaker li {
	width: 460px;
	max-width: 100%;
	position: relative;
}
@media (max-width: 1099px) {
	#speaker .keynote_speaker li {
		width: 47%;
	}
}
#speaker .keynote_speaker li:nth-child(1) {
	margin-top: 80px;
}
#speaker .keynote_speaker li p {
	font-size: 16px;
	font-weight: 400;
	line-height: 1.4;
	margin: 0;
	color: var(--black);
	top: 327px;
    left: -78px;
}
@media (max-width: 1280px) {
	#speaker .keynote_speaker li p {
		left: -50px;
		top: 34%;
	}
}
#speaker .keynote_speaker li:nth-child(2) p {
	left: auto;
	right: -78px;
}
@media (max-width: 1280px) {
	#speaker .keynote_speaker li:nth-child(2) p {
		right: -50px;
	}
}
#speaker .keynote_speaker li .thumbnail {
	width: 100%;
}
#speaker .keynote_speaker li .thumbnail img {
	width: 100%;
	height: auto;
}
#speaker .keynote_speaker li p.name {
	background: url(../images/top/keynote_speaker_name2.png) no-repeat center/contain;
	color: var(--white);
	font-size: clamp(24px, 3.33vw, 50px);
	font-weight: 800;
	padding: 15px 38px;
	position: absolute;
}
#speaker .keynote_speaker li p.name span {
	font-size: 33px;
}
#speaker .keynote_speaker li p.name span.position {
	font-size: 18px;
	display: block;
	margin-top: -5px;
	margin-bottom: 5px;
}
#speaker .keynote_speaker li p.position {
	text-align: center;
	margin: 15px 0;
	font-size: 20px;
}
#speaker .keynote_speaker li .linkbtn {
	width: 80%;
	margin: 20px auto 0;
}
#speaker .keynote_speaker li .linkbtn a {
	display: block;
	width: 100%;
	background: url(../images/common/btn_bg01.png) no-repeat center / cover;
    font-size: 24px;
    padding: 12px 0px;
    border-radius: 30px;
    color: var(--white);
    text-align: center;
    font-weight: bold;
    filter: drop-shadow(4px 4px 0px rgba(165,165,165,0.6));
    transition: 0.6s;
    box-shadow: 4px 4px 10px 1px rgba(0, 0, 0, 0.3);
}
#speaker .keynote_speaker li .linkbtn a:hover {
	text-decoration: none;
	opacity: 0.7;
}


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

/* =============================
outline 
=============================*/

#outline {
	min-width: 1100px;
	padding: 0 0 65px;
	color: var(--outline-color);
}
@media (max-width: 1099px) {
	#outline {
		min-width: 100%;
	}
}
#outline .wrap {
	padding: 65px 0;
}
#outline h2 {
	color: var(--outline-title);
}
#outline h2{
	width: clamp(231px, 30.1vw, 361px);
	margin: 0 auto 40px;
	max-width: 85%;
}
#outline h2 picture img {
	width: 100%;
	height: auto;
}
#outline h2:before {
	background: var(--outline-title);
}
#outline table {
	margin: 0 auto;
	width: 85%;
	font-size: 16px;
	line-height: 1.4;
}
#outline table tr th {
	width: 130px;
	font-weight: bold;
	border-top: 2px solid var(--outline-table-border);
	padding: 20px 0 20px 10px;
	color: var(--outline-table-color);
	vertical-align: top;
	text-align: left;
}
#outline table tr:first-child th {
	border-top: none;
}
#outline table tr td {
	border-top: 2px solid var(--outline-table-border);
	padding: 20px 0;
	font-weight: bold;
}
#outline table tr:first-child td {
	border-top: none;
}

/* =============================
topics 
=============================*/
#topics {
	position: relative;
	padding-bottom: 300px;
}
#topics:before {
	content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: #ffffff;
  clip-path: polygon(0 var(--diagonal-depth), 100% 0, 100% 100%, 0 100%);
}
.overflow-piece {
  position: relative;
  z-index: 1;
  margin-top: -80px;
}
#topics h2{
	/*width: clamp(221px, 28.8vw, 346px);*/
	width: clamp(447px, 58.2vw, 698px);
	margin: 0 auto 40px;
	max-width: 85%;
}

#topics h2 picture img {
	width: 100%;
	height: auto;
}
#topics .wrap {
	position: relative;
	z-index: 2;
	padding-top: 130px;
}
#topics .head_txt {
	font-size: 20px;
	text-align: center;
	color: var(--blue);
	font-weight: bold;
	line-height: 1.6;
	margin: 20px 0 40px;
}
@media (max-width: 1099px) {
	#topics .head_txt {
		font-size: 18px;
	}
}
ul.topics {
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	width: 100%;
	margin: 0 auto;
	padding: 0;
	gap: 40px;
}
@media (max-width: 1099px) {
	ul.topics {
		gap: 20px;
	}
}
ul.topics li {
	width: 48%;
	background-color: var(--topics-bg);
	list-style: none;
	position: relative;
	padding-bottom: 60px;
	display: block;
}
ul.topics li a:hover {
	text-decoration: none;
	opacity: 0.7;
}

ul.topics li a.topics-link {
	/*content: "詳しくはこちら";*/
	position: absolute;
	width: 275px;
	height: 41px;
	background: url(../images/common/btn_bg01.png) no-repeat center / cover;
    font-size: 18px;
    border-radius: 30px;
    color: var(--white);
    text-align: center;
    font-weight: bold;
    transition: 0.6s;
    left: 0;
    right: 0;
    margin: auto;
    bottom: 0;
    padding: 8px 0 0;
    box-shadow: 4px 4px 10px 1px rgba(0, 0, 0, 0.3);
}
ul.topics li .thumbnail {
	overflow: hidden;
}
ul.topics li .thumbnail img {
	width: 100%;
	border-radius: 20px;
}
ul.topics li .description {
	padding: 10px 10px;
	font-size: 16px;
	color: var(--topics-discription);
}
ul.topics li .description h3 {
	font-size: 20px;
	font-weight: bold;
	text-align: center;
	color: var(--blue);
}
ul.topics li .description p {
	margin: 0;
	font-size: 16px;
	font-weight: 400;
	line-height: 1.4;
}
#topics .wrap .topic_parts {
	position: absolute;
}
#topics .wrap .topic_parts img {
	width: 100%;
	height: auto;
}
#topics .wrap .topic_parts.parts01 {
	width: 456px;
	top: -200px;
	right: -100px;
}
@media (max-width: 1440px) {
	#topics .wrap .topic_parts.parts01 {
		right: 0;
		width: 30%;
	}
}
#topics .wrap .topic_parts.parts02 {
	width: 70px;
	top: 20%;
	left: -9%;
}
#topics .wrap .topic_parts.parts03 {
	width: 306px;
	bottom: -198px;
	left: -22%;
}

/* =============================
voice
=============================*/
#voice {
	position: relative; 
	padding-top: calc(var(--diagonal-depth) + 40px);
	color: var(--white);
}

#voice h2,
#voice h2 span{
	color: var(--white);
    filter: drop-shadow(0px 0px 5px rgba(2,24,70, 0.75))
          drop-shadow(0px 0px 2px rgba(2,24,70, 0.75));
}
#voice::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url(../images/top/voice_bg.png) no-repeat center/cover;
  clip-path: polygon(0 var(--diagonal-depth), 100% 0, 100% 100%, 0 100%);
}
#voice h2 span {
	font-size: 50px;
	font-family: stolzl, sans-serif;
	font-weight: 700;
	font-style: normal;
}
#voice .wrap {
	position: relative;
	z-index: 1;
}
#voice p {
	text-align: center;
	color: var(--white);
	font-size: 24px;
	line-height: 1.8;
	font-weight: bold;
	filter: drop-shadow(0px 0px 5px rgba(2,24,70, 0.75))
          drop-shadow(0px 0px 2px rgba(2,24,70, 0.75));
}
#voice p span.manzoku {
	font-size: 49px;
	padding: 5px 20px;
	background-image: linear-gradient(90deg, rgba(255, 138, 29, 1) 23%, rgba(254, 69, 149, 1) 78%);
	border-radius: 60px;
	margin: 0 10px;
	display: inline-flex;
	align-items: baseline;
	line-height: 1;
	position: relative;
}
#voice p span.manzoku span {
	font-size: 30px;
}
#voice p span.manzoku  em {
	font-size: 14px;
	position: absolute;
	right: 15px;
	top: 10px;
}
.voice_img {
  position: relative;
  z-index: 2;
  margin-bottom: -210px;
  text-align: center;
}

.voice_img img {
  display: inline-block;
  max-width: 100%;
  height: auto;
}

/* program */
#program {
	background-color: var(--program-bg);
	padding: 65px 0;
	min-width: 1100px;
}
@media (max-width: 1099px) {
	#program {
		min-width: 100%;
	}
}
#program .wrap .title-container {
	background-color: var(--program-bg);;
	padding: 65px 0 40px;
	margin-bottom: 20px;
}
#program .wrap .title-container h3 {
	margin-bottom: 0;
}

/* =============================
partners
=============================*/
#partners {
	background: var(--lightgray03);
	padding: 180px 0 80px;
}

#partners h2{
	width: 762px;
	margin: 0 auto 40px;
	max-width: 85%;
}
#partners h2 picture img {
	width: 100%;
	height: auto;
}
#partners h2 span {
	font-weight: normal;
	font-size: 16px;
	color: var(--black);
	display: inline;
	margin-left: 15px;
}
#partners h3 {
	text-align: center;
	background: url(../images/top/partners_title_bg.png) repeat-y center/contain;
	padding: 15px 0;
	border-radius: 60px;
	margin: 0 0 40px;
}
#partners h3 span {
	font-size: 20px;
	font-weight: bold;
	color: var(--white);
	filter: drop-shadow(0px 8px 24px rgba(3,129,142,0.75));
}
#partners ul.sponsor_list {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 20px;
	margin: 0 0 80px;
}
#partners ul.sponsor_list li {
	width: 270px;
	padding: 25px;
	list-style: none;
	background: var(--white);
	text-align: center;
	height: 215px;
}
@media (max-width: 1099px) {
	#partners ul.sponsor_list li {
		width: 30%;
		padding: 25px;
	}
}
#partners ul.sponsor_list li img {
	width: 90%;
	height: auto;
}
#partners ul.sponsor_list li a {
	width: 100%;
	display: flex;
	justify-content: center;
	align-items: center;
	height: 100%;
	padding: 30px 0;
	transition: 0.6s;
}
#partners ul.sponsor_list li a:hover {
	opacity: 0.6;
}
#partners ul.sponsor_list li img.ai2 {
	width: 90%;
}
#partners ul.sponsor_list li img.scsk {
	width: 70%;
}
#partners ul.sponsor_list li img.ftime {
	width: 70%;
}
#partners ul.sponsor_list li img.pksha {
	width: 85%;
}
#partners ul.sponsor_list li img.flyle {
	width: 85%;
}
#partners ul.sponsor_list li img.mobilus {
	width: 85%;
}
#partners ul.sponsor_list li img.docomo {
	width: 80%;
}
#partners ul.sponsor_list li img.tmj {
	width: 65%;
}
#partners ul.sponsor_list li img.biztel {
	width: 80%;
}
#partners ul.sponsor_list li img.learningit {
	width: 30%;
}
#partners ul.sponsor_list li img.cxm {
	width: 50%;
}
#partners ul.sponsor_list li img.coc {
	width: 55%;
}
#partners ul.sponsor_list li img.ccaj {
	width: 75%;
}
#partners ul.sponsor_list li img.insight {
	width: 60%;
}
#partners ul.sponsor_list li img.catai {
	width: 85%;
}
#partners ul.sponsor_list li img.kirin {
	width: 75%;
}

/* =============================
fase series
=============================*/

#fastseries {
	background: url(../images/top/fastseries_bg.png) no-repeat center/cover;
	padding: 60px 0;
}
#fastseries h3 {
	text-align: center;
	font-size: 22px;
	color: var(--white);
	margin: 0 0 20px;
	line-height: 1.6;
}
#fastseries .logo {
	width: 317px;
	margin: 40px auto;
}
#fastseries .logo img {
	width: 100%;
	height: auto;
}
#fastseries p {
	text-align: center;
	color: var(--white);
	font-size: 16px;
	line-height: 1.6;
	margin: 0;
}
#fastseries p a {
	text-decoration: underline;
	color: var(--white);
}
#fastseries p a:hover {
	text-decoration: none;
}
#fastseries p a:visited {
	color: var(--white);
}
/*  =============================
faq 
 =============================*/
 
#faq {
	background: var(--white);
}
#faq .wrap {
	padding: 65px 30px;
	background: var(--lightgray03);
	border-radius: 30px;
}
@media (max-width: 1099px) {
	#faq .wrap {
		padding: 65px 15px;
		width: 98%;
	}
}
#faq h2 {
	font-size: 40px;
	color: var(--blue);
}


.faq_list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq_item .question {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border: none;
  border-radius: 999px;
  padding: 20px 60px;
  cursor: pointer;
  font: inherit;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.faq_item .question p {
  margin: 0;
  font-weight: bold;
  font-size: 22px;
  color: #1a1a2e;
}

.faq_item .question .icon {
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #b9bcc4;
  transition: background 0.25s ease;
}

.faq_item .question .icon::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid #ffffff;
  border-bottom: 2px solid #ffffff;
  transform: translate(-50%, -65%) rotate(45deg); /* 下向きのV字 */
  transition: transform 0.25s ease;
}

/* 開いている時：背景を青に、矢印を上向きに反転 */
.faq_item .question[aria-expanded="true"] .icon {
  background: #1d4ed8;
}

.faq_item .question[aria-expanded="true"] .icon::before {
  transform: translate(-50%, -35%) rotate(225deg); /* 上向きのV字 */
}

/* ==== 回答部分：高さアニメーションで開閉 ==== */
.faq_item .answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
  min-height: 0;
}

.faq_item .question[aria-expanded="true"] + .answer {
  grid-template-rows: 1fr;
}

.faq_item .answer-inner {
  overflow: hidden;
  min-height: 0;
}
.faq_item .answer-content {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: #ffffff;
  border-radius: 24px;
  padding: 24px 32px;
  margin-top: 16px;
}

.faq_item .a-icon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #1d4ed8;
  color: #ffffff;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 35px;
}

.faq_item .answer p {
  margin: 0;
  font-size: 18px;
  line-height: 1.9;
  color: #1a1a2e;
}

#faq .other_btn {
	width: 470px;
	margin: 60px auto 0;
}
#faq .other_btn a {
	background: url(../images/top/faq_btn_bg.png) no-repeat center/cover;
	padding: 20px 0;
	font-size: 30px;
	font-weight: bold;
	width: 100%;
	display: block;
	color: var(--white);
	text-align: center;
	border-radius: 40px;
	transition: 0.6s;
}
#faq .other_btn a:hover {
	text-decoration: none;
	opacity: 0.7;
}
#faq .other_txt {
	text-align: center;
	font-size: 14px;
	margin: 10px 0 0;
	font-weight: bold;
}

/* =============================
access
=============================*/
#access {
	padding: 65px 0;
	background: var(--lightgray03);
}
#access h2 {
	font-size: 22px;
	font-weight: bold;
	color: var(--blue);
}
.access_inner {
	width: 760px;
	margin: 0 auto;
	max-width: 100%;
}
.access_inner p {
	font-size: 18px;
	font-weight: bold;
	color: var(--blue);
}
.access_inner ul {
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
}
.access_inner ul li {
	font-size: 16px;
	color: var(--blue);
	width: 48%;
	list-style: none;
	line-height: 1.6;
}
.access_inner ul li:before {
	content: "●︎︎";
	color: var(--blue);
}
#access .map {
	width: 100%;
	border-radius: 20px;
	background: var(--white);
	padding: 30px;
	margin: 40px 0 0;
}
@media (max-width: 1099px) {
	#access .map {
		padding: 15px;
		box-sizing: border-box;
	}
}
#access .map iframe {
	width: 100%;
	height: 460px;
	border-radius: 20px;
}

/* register */
div.register {
	display: flex;
	justify-content: center;
	align-items: center;
	padding: 100px 0;
}
div.register .box-button {
	width: 310px;
	font-size: 26px;
	font-weight: bold;
	padding: 20px 0;
}