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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.header nav,.actions,.host-cta,.footer-links,.footer-bottom,.individual-files{display:none}.section{padding-block:25px}.wrap{width:100%}.hero{padding:20px 0}.host-panel{padding:25px}.benefits-shell,.download-shell,.footer{background:white}.button{display:none}.faq details>p{display:block}.hero-sheet{box-shadow:none}}

/* 導入カードは表裏を一つのキットとして表示 */
/* 白地の水彩素材を乗算で背景になじませる */
.kit-stage:before{content:"";position:absolute;inset:-12px;background:url('assets/watercolor-ring.png') center/contain no-repeat;mix-blend-mode:multiply;opacity:.36;z-index:0;pointer-events:none}
.host-panel{isolation:isolate}
.host-panel:after{background-image:url('assets/watercolor-corner.png');mix-blend-mode:multiply;opacity:.4;width:240px;height:240px;bottom:-24px;right:-24px}
.footer{position:relative;isolation:isolate}

.footer>.wrap{position:relative;z-index:1}
@media(max-width:520px){.host-panel:after{width:170px;height:170px;opacity:.28}.kit-stage:before{inset:-5px;opacity:.3}}
.contents-samples{margin:35px 0}
.contents-samples>h3{color:var(--sage-dark);font-size:18px;margin-bottom:8px}
.sample-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:22px}
.sample-cards>a{display:flex;flex-direction:column;min-width:0;background:white;border:1px solid #e2dfd5;border-radius:6px;padding:16px}
.sample-cards>a:hover{border-color:var(--sage)}
.sample-cards img{width:100%;height:205px;object-fit:contain}
.sample-cards a>span{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--sage-dark);border-top:1px solid #efede7;margin-top:12px;padding-top:12px;gap:8px;line-height:1.7}
.sample-cards .sr-only{display:block}
@media(max-width:800px){.sample-cards{gap:16px}.sample-cards img{height:160px}}
@media(max-width:520px){.sample-cards{gap:10px}.sample-cards>a{padding:8px}.sample-cards img{height:85px}.sample-cards a>span{font-size:10px;letter-spacing:0;gap:3px;align-items:flex-start;min-height:48px}.contents-samples>.quiet{font-size:11px}}
.kit-gallery{grid-template-columns:1fr 1.5fr;align-items:stretch}
.kit-gallery .kit-preview{background:white;border:1px solid #e2dfd5;border-radius:6px;padding:20px 17px 13px}
.kit-gallery .card-sides{display:grid;grid-template-columns:1fr 1fr;gap:15px;align-items:center;height:205px}
.kit-gallery .card-sides a{border:0;background:none;padding:0;border-radius:0;min-width:0}
.kit-gallery .card-sides img{height:155px}
.kit-gallery .card-sides a>span{border:0;padding-top:7px;margin:0;font-size:10px;justify-content:center;color:var(--muted)}
.kit-gallery .kit-caption{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--sage-dark);padding-top:18px;margin-top:14px;border-top:1px solid #efede7}
.kit-gallery .guide-preview>img{height:205px}
@media(max-width:800px){.kit-gallery .card-sides{height:170px;gap:10px}.kit-gallery .card-sides img{height:125px}.kit-gallery .guide-preview>img{height:170px}}
@media(max-width:520px){.kit-gallery{grid-template-columns:1fr}.kit-gallery .kit-preview{padding:15px}.kit-gallery .card-sides{height:auto;gap:12px}.kit-gallery .card-sides img{height:120px}.kit-gallery .guide-preview{grid-column:auto;grid-row:auto}.kit-gallery a.guide-preview>img{height:230px;min-height:0}.kit-gallery .kit-caption{font-size:12px;margin-top:14px;padding-top:13px}}

#download-heading.label{margin:0;font-size:14px;line-height:1.5;letter-spacing:.09em}
#download .download-intro{margin-top:24px}
@media(max-width:520px){#download-heading.label{font-size:12px}}

.label:not(.label-secondary){background:var(--sage-dark);font-size:14px;font-weight:700;padding:7px 18px;border-radius:24px;letter-spacing:.09em}
.label.label-secondary{background:transparent;color:#76654d;font-size:12px;font-weight:500;padding:4px 11px;border:0;border-radius:0;letter-spacing:.045em}
@media(max-width:520px){.label:not(.label-secondary){font-size:12px;padding:7px 15px}.label.label-secondary{font-size:11px;padding:4px 9px}}

.preparation-materials{background:transparent}
.preparation-materials .preparation-columns{margin:0}
.preparation-materials .preparation-columns>div{background:transparent}

/* サンプルの背景を、上のキット内容物へつながる吹き出しにする */
.download-shell>.sample-body{position:relative}
.download-shell>.sample-body:before{content:"";position:absolute;top:-26px;left:calc((100% - 65px)/4 - 24px);width:48px;height:27px;background:var(--cream);clip-path:polygon(50% 0,0 100%,100% 100%);pointer-events:none}
@media(max-width:1050px){.download-shell>.sample-body:before{left:calc((100% - 25px)/4 - 24px)}}
@media(max-width:800px){.download-shell>.sample-body:before{left:calc((100% - 20px)/4 - 24px)}}
@media(max-width:520px){.download-shell>.sample-body:before{left:calc(25% - 18px);width:36px;height:23px;top:-22px}}

/* ホスト募集と同じ幅で、左右にページの余白を残す */
.download-shell>.sample-body{padding:60px 64px}
@media(max-width:1050px){.download-shell>.sample-body{padding:46px}}
@media(max-width:800px){.download-shell>.sample-body{padding:35px}}
@media(max-width:520px){.download-shell>.sample-body{padding:29px 23px}}

/* 4ステップはホスト募集と同じ余白・形の、枠線のないパネル */
.experience-panel{background:var(--cream);border:0;border-radius:var(--round);padding:60px 64px}
.community-title{display:flex;align-items:center;gap:12px;font-size:20px;line-height:1.7;color:#76654d;letter-spacing:.045em;margin:0 0 20px}
.community-title svg{width:24px;height:28px;flex-shrink:0}
.flow-section{border-top:0}
.label.label-secondary.label-beige{background:#f3ede2;border:0;border-radius:3px}
@media(min-width:521px){#community .benefits li:nth-last-child(-n+2){border-bottom:0}}
@media(max-width:1050px){.experience-panel{padding:46px}}
@media(max-width:800px){.experience-panel{padding:35px}}
@media(max-width:520px){.experience-panel{padding:29px 23px}.community-title{font-size:18px;gap:10px;align-items:flex-start}.community-title svg{width:22px;height:26px;margin-top:3px}#community .benefits li:last-child{border-bottom:0}}

/* メニューの各項目を、背景と共通の左右余白で一つのまとまりにする */
.workshop-shell,.host-shell{background:var(--paper)}
.implementation{background:#f4f5f1;padding-bottom:80px}
.faq-shell{background:var(--cream)}
.workshop-shell>.about{padding:80px 64px 56px}
.workshop-shell>#experience{padding-top:0;padding-bottom:80px}
.implementation>.preparation{border-top:0;padding:80px 64px 56px}
.implementation>.benefits-shell{background:transparent}
.implementation>.benefits-shell>.wrap{background:var(--cream);padding:48px 64px}
.implementation>.flow-section{padding:64px}
.implementation>.preparation-materials{padding:0 64px 56px}
.host-shell>.host-section{padding-top:80px;padding-bottom:56px}
.host-shell>.research{border-top:0;padding:0 64px 80px}
.faq-shell>.faq-section{border-top:0;padding:80px 64px}
.download-shell>.sample-body:before{left:calc((100% - 65px)/4 + 8px)}
@media(max-width:1050px){
.workshop-shell>.about,.implementation>.preparation,.implementation>.benefits-shell>.wrap,.implementation>.flow-section,.implementation>.preparation-materials,.host-shell>.research,.faq-shell>.faq-section{padding-inline:46px}
.download-shell>.sample-body:before{left:calc((100% - 25px)/4 - 1px)}
}
@media(max-width:800px){
.workshop-shell>.about,.implementation>.preparation,.implementation>.benefits-shell>.wrap,.implementation>.flow-section,.implementation>.preparation-materials,.host-shell>.research,.faq-shell>.faq-section{padding-inline:35px}
.download-shell>.sample-body:before{left:calc((100% - 20px)/4 - 6.5px)}
}
@media(max-width:520px){
.implementation{padding-bottom:55px}
.workshop-shell>.about{padding:55px 23px 32px}
.workshop-shell>#experience{padding-bottom:55px}
.implementation>.preparation{padding:55px 23px 32px}
.implementation>.benefits-shell>.wrap{padding:32px 23px}
.implementation>.flow-section{padding:40px 23px}
.implementation>.preparation-materials{padding:0 23px 40px}
.host-shell>.host-section{padding-top:55px;padding-bottom:40px}
.host-shell>.research{padding:0 23px 55px}
.faq-shell>.faq-section{padding:55px 23px}
.download-shell>.sample-body:before{left:calc(25% - 18px)}
}

/* キット内容物と同じ白地・細い線でサンプルを囲む */
.download-shell{background:var(--paper);border:1px solid var(--line);border-radius:var(--round)}
.download-shell>.sample-body:before{background:var(--paper);border-left:1px solid var(--line);border-top:1px solid var(--line);clip-path:none;transform:rotate(45deg);width:28px;height:28px;top:-15px;left:calc((100% - 65px)/4 + 18px)}
@media(max-width:1050px){.download-shell>.sample-body:before{left:calc((100% - 25px)/4 + 9px)}}
@media(max-width:800px){.download-shell>.sample-body:before{left:calc((100% - 20px)/4 + 3.5px)}}
@media(max-width:520px){.download-shell>.sample-body:before{left:calc(25% - 14px)}}

/* 白地の4ステップ画像をパネルの色になじませる */
.experience-panel{isolation:isolate}
.experience-panel .experience img{mix-blend-mode:multiply}
/* 概要は人数・時間・対象年齢、手順は左1〜5／右6〜10 */
.flow-section{display:block}
.flow-header{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:40px}
#flow-heading.label{margin:0;font-size:14px;line-height:1.5;letter-spacing:.09em}
.flow-header .facts{margin:0}
.flow-section .timeline{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(5,auto);grid-auto-flow:column;gap:26px 48px;margin:0}
.flow-section .timeline:before{display:none}
.flow-section .timeline li{margin:0}
@media(max-width:800px){.flow-section .timeline{column-gap:30px}}
@media(max-width:520px){.flow-header{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:28px}#flow-heading.label{font-size:12px}.flow-section .timeline{grid-template-columns:1fr;grid-template-rows:none;grid-auto-flow:row;gap:23px}}

/* サンプル画像はページ上で拡大して読む */
.preview-dialog{width:min(1000px,calc(100vw - 32px));max-width:none;max-height:90vh;max-height:90dvh;padding:0;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:var(--round)}
.preview-dialog::backdrop{background:rgba(80,69,60,.3)}
.preview-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 22px;border-bottom:1px solid var(--line)}
.preview-header h2{margin:0;font-size:15px;line-height:1.7;letter-spacing:.035em;color:var(--ink)}
.preview-close{display:flex;align-items:center;gap:10px;min-height:44px;padding:7px 12px;background:transparent;border:1px solid var(--line);border-radius:3px;color:var(--ink);font:inherit;font-size:12px;cursor:pointer;white-space:nowrap}
.preview-close span{font-size:22px;line-height:1}
.preview-close:focus-visible{outline:3px solid var(--sage-dark);outline-offset:3px}
.preview-image-scroll{max-height:calc(90vh - 80px);max-height:calc(90dvh - 80px);overflow:auto;padding:20px}
.preview-image-scroll img{width:100%;height:auto;max-width:100%;margin-inline:auto}
@media(max-width:520px){.preview-header{padding:10px 14px;gap:12px}.preview-header h2{font-size:13px}.preview-image-scroll{padding:10px}}

.community-intro{max-width:780px;font-size:14px;line-height:2;color:var(--ink);margin-bottom:20px}
.community-intro p+p{margin-top:14px}
@media(max-width:520px){.community-intro{font-size:12px}}

@media(max-width:520px){#hero-heading{font-size:clamp(25px,7.5vw,36px)}}

/* 研究ブロックを基準に、スマホの本文位置を共通化する */
@media(max-width:800px){
:root{--mobile-body-inset:20px;--mobile-panel-inset:8px}
.wrap{width:calc(100% - 2 * var(--mobile-body-inset))}
.workshop-shell>.about,.implementation>.preparation,.implementation>.flow-section,.host-shell>.research,.faq-shell>.faq-section{padding-inline:0}
.workshop-shell>#experience,.implementation>.benefits-shell>.wrap,.implementation>.preparation-materials,.host-shell>.host-section,.download-shell.wrap{width:calc(100% - 2 * var(--mobile-panel-inset))}
.experience-panel,.implementation>.benefits-shell>.wrap{padding-inline:calc(var(--mobile-body-inset) - var(--mobile-panel-inset))}
.implementation>.preparation-materials{padding-inline:0}
.preparation-materials .preparation-columns>div,.host-panel,.download-shell>.sample-body{padding-inline:calc(var(--mobile-body-inset) - var(--mobile-panel-inset) - 1px)}
}

@media(max-width:800px){.faq details>p{padding-inline:0}}

/* お願いしたいことは番号のない箇条書き */
.host-request ul{list-style:none;margin:20px 0 0;padding:0}
.host-request ul li{counter-increment:none}
.host-request ul li:before{content:"・";font-family:inherit;font-size:inherit;flex-shrink:0}
@media(max-width:800px){.host-request ul{margin-top:15px}}
/* 枠付きの持ち物リストも研究ブロックと同じ本文位置に揃える */
@media(min-width:801px){.implementation>.preparation-materials{padding-inline:0}.preparation-materials .preparation-columns>div{padding-inline:63px}}
@media(min-width:801px) and (max-width:1050px){.preparation-materials .preparation-columns>div{padding-inline:45px}}

@media(min-width:801px){.download-shell>.sample-body:before{left:calc((100% - 65px)/4 - 14px)}}
@media(min-width:801px) and (max-width:1050px){.download-shell>.sample-body:before{left:calc((100% - 25px)/4 - 14px)}}