@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&display=swap');

:root{
	--soft-blue: #3d4a9e;        /* 優しめのネイビーブルー */
	--soft-blue2: #7ba5de;        /* 優しめのネイビーブルー */
	--soft-blue-hover: #5464c2;  /* ホバー時の明るめカラー */
	--teal: #5eabb1;
	--teal-dark: #3f8a90;
	--mint: #f0f7f5;
	--ink: #2b303a;
	--paper: #ffffff;
	--gutter: clamp(20px,5vw,48px);
	--max: 1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:64px;}
body{
	margin:0;color:var(--ink);background:var(--paper);
	font:400 16px/1.9 'Noto Sans JP','Hiragino Kaku Gothic ProN',Meiryo,sans-serif;
	-webkit-text-size-adjust:100%;
}
img{max-width:100%;height:auto;display:block;}
h1,h2,h3,p,ul,dl,dd,figure{margin:0;padding:0;}
ul{list-style:none;}
a{color:var(--soft-blue);}
a:focus-visible,button:focus-visible{outline:3px solid var(--soft-blue);outline-offset:3px;}

.wrap{width:min(100% - var(--gutter)*2,var(--max));margin-inline:auto;}
.prose{max-width:42em;}

/* ナビゲーション */
.site-nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid #e2ece9;}
.site-nav .wrap{display:flex;align-items:center;justify-content:center;min-height:60px;}
.nav-toggle{display:none;}
.nav-list{display:flex;gap:clamp(14px,2.5vw,32px);font-size:15px;font-weight:700;}
.nav-list a{text-decoration:none;color:var(--ink);padding:6px 0;border-bottom:2px solid transparent;transition:color .2s, border-color .2s;}
.nav-list a:hover{color:var(--teal-dark);border-color:var(--teal);}

/* ヒーロー（トップ部） */
.hero{
	background: linear-gradient(135deg, #e4f3f2 0%, #f7fbfa 100%);
	padding: clamp(40px, 7vw, 80px) 2%;
	border-bottom: 1px solid #dbe8e6;
}
.hero-logo{display:flex;justify-content:center;width:100%;max-width:680px;margin-inline:auto;}

/* セクション共通 */
.block{padding:clamp(56px,8vw,100px) 0;}
.block.white{background:#ffffff;}
.block.tint{background:var(--mint);}
.block-head{margin-bottom:clamp(28px,4vw,48px);}
.block-head h2{font-size:clamp(28px,4.5vw,44px);font-weight:900;line-height:1.3;color:var(--soft-blue);letter-spacing:.04em;}
.block-head img{height:clamp(34px,5vw,52px);width:auto;}
.block-head p{margin-top:14px;}
.note{font-size:13px;color:#5a6275;}
.pending{display:inline-block;padding:.2em 1.2em;border:1.5px dashed var(--teal-dark);border-radius:99px;font-size:14px;font-weight:700;color:var(--teal-dark);background:#fff;}

/* 概要 (キミイロ) */
.about{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,5vw,72px);align-items:center;}
.about-logo img{width:min(100%,480px);}
.about-date{margin-top:18px;}
.about-date img{width:min(100%,480px);}

/* ボタン関連 */
.btn-group{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px;}
.btn{
	display:inline-block;
	text-align:center;
	font-weight:700;
	padding:0.85em 1.6em;
	border-radius:99px;
	text-decoration:none;
	transition:all .2s ease;
	font-size:15px;
}
/* 優しめのブルーボタン */
.btn-out{background:var(--soft-blue2);color:#fff;}
.btn-out:hover{background:var(--soft-blue2-hover);transform:translateY(-2px);box-shadow:0 4px 12px rgba(61,74,158,0.25);}

/* LINEボタン */
.btn-line{background:#a1d784;color:#fff;}
.btn-line:hover{background:#05b34c;transform:translateY(-2px);box-shadow:0 4px 12px rgba(6,199,85,0.25);}

.btn[aria-disabled="true"]{background:#a3abc9;color:#fff;pointer-events:none;}

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

/* イベント・アクセス・トーク */
.sub{padding:clamp(28px,4vw,48px) 0;border-top:1px solid #d3e2e0;}
.sub-title{font-size:clamp(26px,3.6vw,38px);font-weight:900;line-height:1.3;color:var(--soft-blue);margin-bottom:18px;}
.sub-title img{height:clamp(34px,4.4vw,48px);width:auto;}
.access-name{font-weight:700;margin-bottom:14px;font-size:18px;}
.lead-text p+p{margin-top:1.1em;}
.credits{display:grid;grid-template-columns:auto 1fr;gap:8px 20px;margin-top:28px;padding-top:20px;border-top:1px solid #d3e2e0;font-size:14px;}
.credits dt{font-weight:700;color:var(--soft-blue);}

/* スライドショー */
.slides{position:relative;margin-bottom:clamp(16px,3vw,36px);}
.slides-stage{position:relative;aspect-ratio:16/9;overflow:hidden;background:#e2ece9;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,0.06);}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .6s ease-in-out;}
.slide.is-active{opacity:1;}
.slide img{width:100%;height:100%;object-fit:cover;}
.slides-btn{
	position:absolute;top:50%;z-index:3;width:48px;height:48px;margin-top:-24px;
	border:0;border-radius:50%;background:rgba(255,255,255,.9);color:var(--soft-blue);
	font-size:24px;cursor:pointer;display:grid;place-items:center;
	box-shadow:0 2px 8px rgba(0,0,0,0.15);transition:background .2s, transform .2s;
}
.slides-btn:hover{background:#fff;transform:scale(1.08);}
.slides-btn.prev{left:16px;}
.slides-btn.next{right:16px;}
.slides-dots{display:flex;gap:10px;justify-content:center;margin-top:14px;}
.slides-dots button{width:12px;height:12px;padding:0;border:2px solid var(--soft-blue);border-radius:50%;background:transparent;cursor:pointer;transition:all .2s;}
.slides-dots button[aria-current="true"]{background:var(--soft-blue);transform:scale(1.2);}

/* スライドのオーバーレイテキスト */
.slides-stage::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(to top,rgba(20,30,60,.8),rgba(20,30,60,.05) 60%,transparent);pointer-events:none;}
.slides-overlay{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:clamp(16px,3vw,36px) clamp(20px,5vw,48px);color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.6);pointer-events:none;}
.slides-overlay strong{display:block;font-size:clamp(16px,2.8vw,32px);font-weight:900;line-height:1.4;}
.slides-overlay span{display:block;margin-top:4px;font-size:clamp(12px,1.4vw,15px);font-weight:500;opacity:.9;}

/* アンケートカード */
.survey-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3.5vw,40px);}
.card{
	display:flex;flex-direction:column;gap:16px;padding:clamp(24px,3.5vw,40px);
	border-radius:12px;background:#fff;border:2px solid #e0e6f0;
	box-shadow:0 6px 20px rgba(0,0,0,0.03);
}
.card-soft{border-color:#cbd5f0;}
.card-teal{border-color:#bce3e5;}

/* アンケートタイトルのサイズアップ */
.card-title img{width:100%;height:auto;}
.card-title-lg img{width:115%;max-width:none;margin-left:-7.5%;} /* タイトル画像を少しはみ出るくらい大きく */

.card-art{width:min(100%,220px);height:auto;align-self:center;margin:8px 0;}
.card-qs{display:grid;gap:10px;background:#f8fafc;padding:16px 20px;border-radius:8px;}
.card-qs li{position:relative;padding-left:20px;font-weight:700;font-size:15px;color:#333c4d;}
.card-qs li::before{content:"";position:absolute;left:0;top:.7em;width:8px;height:8px;border-radius:50%;background:var(--teal);}
.card-title img.narrow{width:min(100%,360px);}
.card-sub{font-weight:700;color:var(--soft-blue);font-size:17px;}
.card .btn{margin-top:auto;align-self:flex-start;}

/* クラウドファンディング */
.cf{
	background:#fff;color:var(--ink);border:2px solid #cbd5f0;border-radius:12px;
	padding:clamp(28px,5vw,56px);display:grid;grid-template-columns:1.4fr 1fr;
	gap:clamp(24px,4vw,56px);align-items:center;box-shadow:0 6px 20px rgba(0,0,0,0.03);
}
.cf-title{margin-bottom:14px;}
.cf-title img{width:min(100%,480px);}

/* クラファン サブタイトル（改行なしで綺麗に配置） */
.cf-copy{
	font-size:clamp(15px,1.8vw,20px);
	font-weight:900;
	line-height:1.4;
	color:var(--soft-blue);
	margin-bottom:12px;
	white-space:nowrap;
	letter-spacing:-0.01em;
}

.cf dl{display:grid;grid-template-columns:auto 1fr;gap:8px 20px;}
.cf dt{font-weight:700;}

/* 地図 */
.map{aspect-ratio:16/9;background:#e2ece9;border-radius:8px;display:grid;place-items:center;color:#5a6275;font-size:14px;overflow:hidden;}
.map iframe{width:100%;height:100%;border:0;}

/* フッター */
.site-foot{background:#e8f3f1;padding:clamp(36px,5vw,56px) 0 28px;font-size:13px;text-align:center;border-top:1px solid #d3e2e0;}
.site-foot .credits{max-width:860px;margin:0 auto 28px;padding-top:0;border-top:0;text-align:left;font-size:14px;}

/* レスポンシブ対応 */
@media (max-width:860px){
	.about,.cf,.survey-grid{grid-template-columns:1fr;}
	.card-title-lg img{width:100%;margin-left:0;}
	.cf-copy{white-space:normal;} /* モバイルでは自然に折り返し */
	.slides-stage{aspect-ratio:4/3;}
	.slides-overlay{padding:14px 20px 16px;}
	.map{aspect-ratio:4/3;}
	.site-nav .wrap{justify-content:flex-end;}
	.nav-toggle{display:block;position:relative;width:44px;height:44px;border:0;background:transparent;cursor:pointer;}
	.nav-toggle .bar{position:absolute;left:10px;width:24px;height:3px;border-radius:2px;background:var(--soft-blue);transition:transform .25s,opacity .2s,top .25s;}
	.nav-toggle .bar:nth-child(1){top:13px;}
	.nav-toggle .bar:nth-child(2){top:21px;}
	.nav-toggle .bar:nth-child(3){top:29px;}
	.nav-toggle[aria-expanded="true"] .bar:nth-child(1){top:21px;transform:rotate(45deg);}
	.nav-toggle[aria-expanded="true"] .bar:nth-child(2){opacity:0;}
	.nav-toggle[aria-expanded="true"] .bar:nth-child(3){top:21px;transform:rotate(-45deg);}
	.nav-list{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid #e2ece9;padding:8px var(--gutter) 16px;box-shadow:0 8px 16px rgba(0,0,0,0.05);}
	.nav-list.open{display:flex;}
	.nav-list a{padding:12px 0;font-size:16px;}
	.slides-btn{width:40px;height:40px;margin-top:-20px;}
}
@media (prefers-reduced-motion:reduce){
	html{scroll-behavior:auto;}
	.slide{transition:none;}
}