/* バチャプレ2026 (vrtrpg.com) style.css — 採用デザイン: レトロポップ（ロゴの赤×黄×クリーム） */
:root {
  --bg: #fff4dc; --paper: #ffffff; --ink: #2a1e1b; --muted: #7a6a62; --line: #2a1e1b;
  --primary: #e04848; --primary-dark: #b93535; --accent: #ffc022; --blue: #2b6fd6; --soft: #ffe9b3; --cream: #ffd9a6;
  --ok: #1f9a5c; --ng: #d3423f;
  --radius: 16px; --shadow: 6px 6px 0 var(--line); --shadow-sm: 4px 4px 0 var(--line); --max: 1120px; --header-h: 68px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px)}
body{margin:0;color:var(--ink);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;line-height:1.8;overflow-x:hidden}
a{color:inherit}img{max-width:100%;height:auto;display:block}button{font:inherit}
h1,h2,h3,h4{line-height:1.3;overflow-wrap:anywhere;font-weight:900}p,li,dd{overflow-wrap:anywhere}
.wrap{width:min(calc(100% - 32px),var(--max));margin:auto}
.nowrap{white-space:nowrap}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:8px;top:-60px;z-index:100;background:#fff;color:var(--ink);padding:10px 14px;border-radius:10px;font-weight:800}.skip-link:focus{top:8px}
.ico{width:1.15em;height:1.15em;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.2em;flex:none}

.btns{display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;min-height:52px;padding:10px 22px;border-radius:14px;text-decoration:none;font-weight:900;border:2px solid var(--line);cursor:pointer;box-shadow:var(--shadow-sm);transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--line)}
.btn:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--line)}
.btn:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-outline{background:#fff;color:var(--ink)}
.btn-purple{background:var(--primary);color:#fff}
.btn-ticket{background:var(--blue);color:#fff}
.btn-disabled{pointer-events:none;opacity:.6;box-shadow:none;transform:none}

.site-header{position:sticky;top:0;z-index:50;height:var(--header-h);background:var(--bg);border-bottom:3px solid var(--line)}
.site-header .wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.brand img{height:44px;width:auto}
.brand span{font-weight:900;color:var(--primary);font-size:1rem;letter-spacing:.04em;background:var(--accent);padding:2px 8px;border:2px solid var(--line);border-radius:8px;transform:rotate(-3deg)}
.nav{display:flex;align-items:center;gap:2px}
.nav a{text-decoration:none;font-weight:900;font-size:.92rem;padding:8px 12px;border-radius:10px;color:var(--ink)}
.nav a:not(.btn):hover{background:var(--accent)}
.nav .btn{min-height:40px;padding:6px 16px;margin-left:8px;font-size:.9rem}
.nav-toggle{display:none;position:relative;width:46px;height:46px;border:2px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;padding:0;box-shadow:3px 3px 0 var(--line)}
.nav-toggle span{position:absolute;left:12px;right:12px;top:calc(50% - 1.5px);height:3px;background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s}
.nav-toggle span:nth-child(1){transform:translateY(-7px)}.nav-toggle span:nth-child(3){transform:translateY(7px)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:rotate(45deg)}.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:rotate(-45deg)}

/* hero: クリーム地＋ストライプ＋ロゴ主役 */
.hero{position:relative;overflow:hidden;padding:64px 0 80px;color:var(--ink);isolation:isolate;border-bottom:3px solid var(--line);
  background:var(--cream) repeating-linear-gradient(-45deg,rgba(255,255,255,.35) 0 18px,transparent 18px 36px)}
.hero-bg{position:absolute;inset:auto 0 0 auto;z-index:-2;width:100%;height:100%;object-fit:cover;opacity:.16;filter:saturate(1.2) contrast(1.1);mix-blend-mode:multiply}
.hero-overlay{position:absolute;inset:0;z-index:-1;background:radial-gradient(circle at 85% 20%,var(--accent) 0 90px,transparent 91px),radial-gradient(circle at 8% 90%,var(--primary) 0 60px,transparent 61px);opacity:.9}
.hero::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border:12px solid var(--line);border-radius:50%;z-index:-1;opacity:.12}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border:2px solid var(--line);border-radius:999px;background:#fff;font-size:.84rem;font-weight:900;letter-spacing:.06em;box-shadow:3px 3px 0 var(--line);transform:rotate(-2deg)}
.hero-logo{width:min(100%,520px);height:auto;margin:22px 0 4px;filter:drop-shadow(6px 6px 0 rgba(42,30,27,.9))}
.hero .hero-logo + h1{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);margin:-1px}
.hero h1{margin:16px 0 8px;font-size:clamp(2rem,6vw,3.6rem);color:var(--primary);text-shadow:3px 3px 0 #fff}
.hero .tagline{margin:6px 0 16px;font-size:clamp(1.4rem,3.2vw,2.2rem);font-weight:900;color:var(--primary);text-shadow:2px 2px 0 #fff}
.hero p{max-width:640px;margin:0;font-size:1.04rem;font-weight:600}
.hero-actions{position:relative;z-index:1;margin-top:36px}.hero-actions .btns{justify-content:center}
.hero-meta{background:#fff;border:3px solid var(--line);border-radius:22px;padding:26px;box-shadow:var(--shadow);transform:rotate(1.2deg)}
.hero-meta strong{font-size:1.6rem;color:var(--primary);letter-spacing:.02em}
.hero-meta dl{display:grid;grid-template-columns:84px 1fr;gap:8px 14px;margin:16px 0 0}
.hero-meta dt{color:var(--muted);font-weight:800}.hero-meta dd{margin:0;font-weight:800}

main>section{padding:80px 0}
main>section.paper{background:#fff;border-top:3px solid var(--line);border-bottom:3px solid var(--line)}
.section-head{margin-bottom:34px}
.section-kicker{display:inline-block;color:#fff;background:var(--primary);font-size:.78rem;font-weight:900;letter-spacing:.16em;text-transform:uppercase;padding:4px 10px;border-radius:6px;border:2px solid var(--line);transform:rotate(-1.5deg)}
h2.section-title{margin:12px 0 8px;font-size:clamp(1.9rem,4.2vw,2.8rem);line-height:1.25}
h2.section-title{background:linear-gradient(transparent 62%,var(--accent) 62%) no-repeat;display:inline;box-decoration-break:clone;-webkit-box-decoration-break:clone;padding:0 4px}
.section-head .lead{margin-top:12px}
.lead{max-width:800px;color:var(--muted);margin:0;font-weight:600}
.lead strong{color:var(--primary)}

.feature,.panel,.session-card,.step,.faq-item{background:var(--paper);border:2px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature{padding:26px}
.feature .icon{width:52px;height:52px;display:grid;place-items:center;border-radius:12px;background:var(--accent);border:2px solid var(--line);color:var(--ink);margin-bottom:14px;box-shadow:3px 3px 0 var(--line)}
.feature .icon .ico{width:26px;height:26px}
.feature h3{margin:0 0 4px;font-size:1.2rem}.feature p{margin:0;color:var(--muted);font-weight:600}

.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.gallery figure{margin:0;border-radius:12px;overflow:hidden;background:#fff;aspect-ratio:16/9;border:2px solid var(--line);box-shadow:var(--shadow-sm)}
.gallery figure:nth-child(odd){transform:rotate(-1deg)}.gallery figure:nth-child(even){transform:rotate(1deg)}
.gallery a.gl{display:block;width:100%;height:100%;cursor:zoom-in}
.gallery a.gl:focus-visible{outline:3px solid var(--blue);outline-offset:-3px}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.gallery figure:hover img{transform:scale(1.05)}
.gallery-note{margin:18px 0 0;color:var(--muted);font-size:.9rem;font-weight:600}

.overview{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.panel{padding:28px}.panel h3{margin-top:0}
.info-grid{display:grid;grid-template-columns:120px 1fr;gap:11px 18px;margin:0}
.info-grid dt{font-weight:900;color:var(--primary)}.info-grid dd{margin:0;font-weight:700}
.timeline{list-style:none;margin:0;padding:0}
.timeline li{display:grid;grid-template-columns:84px 1fr;gap:16px;padding:13px 0;border-bottom:2px dashed #e5d7c0;font-weight:600}
.timeline li:last-child{border-bottom:0}.timeline time{font-weight:900;color:var(--blue)}

.tabs{display:flex;gap:10px;overflow:auto;padding:4px 4px 16px;scrollbar-width:thin}
.tabs::before,.tabs::after{content:"";flex:1 0 0;min-width:0}
.tab .tab-chip{display:none}
.tab{flex:0 0 auto;border:2px solid var(--line);background:#fff;color:var(--ink);padding:11px 18px;border-radius:999px;font-weight:900;cursor:pointer;box-shadow:3px 3px 0 var(--line)}
.tab[aria-selected="true"]{background:var(--primary);color:#fff;transform:translate(1px,1px);box-shadow:2px 2px 0 var(--line)}
.tab:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.day-title{margin:28px 0 14px;font-size:1.3rem;color:var(--primary)}
.no-js .tabs{display:none}.js .tab-panel:not(.active){display:none}.js .day-title{display:none}
.session-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.session-card{padding:0;overflow:hidden}
.session-card-head{padding:22px 24px 17px;background:var(--soft);border-bottom:2px solid var(--line)}
.session-no{display:inline-block;color:#fff;background:var(--ink);font-size:.74rem;font-weight:900;letter-spacing:.14em;padding:2px 8px;border-radius:6px}
.session-card h3{margin:8px 0 3px;font-size:1.34rem;line-height:1.4}
.scenario{color:var(--muted);font-weight:800}
.session-body{padding:20px 24px 24px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:15px}
.chip{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;background:#fff;border:2px solid var(--line);font-size:.84rem;font-weight:900}
.chip.ok{background:#dff6e8;color:var(--ok)}.chip.ng{background:#ffe1e0;color:var(--ng)}
.session-body p{margin:0;color:#4e423d;font-weight:600}
.session-card.is-tba{border-style:dashed;box-shadow:none;background:#fffaf0}
.session-card.is-tba .session-card-head{background:transparent;border-bottom-style:dashed}
.session-card.is-tba h3,.session-card.is-tba .scenario,.session-card.is-tba .chip,.session-card.is-tba p{color:#b3a79b}
.session-card.is-tba .chip{border-color:#d8ccbb}.session-card.is-tba .session-no{background:#b3a79b}
.badge-tba{display:inline-block;padding:3px 10px;border-radius:999px;background:var(--accent);color:var(--ink);font-size:.78rem;font-weight:900;border:2px solid var(--line);transform:rotate(-3deg)}
/* 卓カード: 募集文(約100字)・セッション募集(約50字) */
.s-desc{margin:0 0 14px;color:#4e423d;font-weight:600}
.s-recruit{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start;background:var(--soft);border:2px solid var(--line);border-radius:12px;padding:10px 12px}
.s-recruit b{display:inline-block;background:var(--primary);color:#fff;font-size:.74rem;letter-spacing:.12em;padding:3px 8px;border-radius:6px;margin-top:2px}
.s-recruit p{margin:0;font-size:.92rem;font-weight:600;color:#4e423d}
.session-card.is-tba .s-desc,.session-card.is-tba .s-recruit p{color:#b3a79b}.session-card.is-tba .s-recruit{background:#fffaf0;border-style:dashed}.session-card.is-tba .s-recruit b{background:#b3a79b}
/* ヒーロー日付チップ */
.date-chips{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px}
.date-chips .sep{margin:0 -2px}
.ym-row{display:flex;flex:0 0 100%;justify-content:flex-start;margin-bottom:2px}
.date-chips .ym{display:inline-flex;align-items:baseline;gap:6px;background:var(--ink);color:#fff;border:2px solid var(--line);border-radius:10px;padding:4px 10px;line-height:1.1;font-weight:900;box-shadow:3px 3px 0 var(--line)}
.date-chips .ym small{font-size:.72rem;color:var(--accent);letter-spacing:.08em}.date-chips .ym b{font-size:1.1rem}
.date-chips .pair{display:inline-flex;gap:8px;flex:none}
.date-chips .d{display:inline-flex;flex-direction:column;align-items:center;min-width:56px;padding:6px 8px 4px;background:var(--accent);border:2px solid var(--line);border-radius:10px;box-shadow:3px 3px 0 var(--line);line-height:1}
.date-chips .d b{font-size:1.5rem;color:var(--ink)}.date-chips .d b i{font-style:normal;font-size:.72rem;margin-left:1px}
.date-chips .d small{font-size:.62rem;font-weight:900;letter-spacing:.1em;color:var(--primary);margin-top:3px}
.date-chips .d.sun small{color:var(--blue)}
.date-chips .sep{font-weight:900;color:var(--muted)}
/* コラボ団体 */
/* コラボ団体（案B: フルロゴ上部の縦カード） */
.collab-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.collab-card{background:#fff;border:2px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column}
.collab-band{display:flex;align-items:center;justify-content:center;overflow:hidden;height:min(48vw,250px);padding:22px 28px;border-bottom:2px solid var(--line);background:var(--cream) repeating-linear-gradient(-45deg,rgba(255,255,255,.4) 0 14px,transparent 14px 28px)}
.collab-band picture{display:flex;align-items:center;justify-content:center;height:100%;max-width:100%}
.collab-band img{display:block;width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;filter:drop-shadow(0 3px 0 rgba(42,30,27,.15))}
.collab-body{padding:22px 26px 26px;display:flex;flex-direction:column;flex:1}
.collab-tag{display:inline-block;align-self:flex-start;font-size:.72rem;font-weight:900;letter-spacing:.1em;color:#fff;background:var(--primary);padding:2px 9px;border-radius:6px;border:2px solid var(--line)}
.collab-name{margin:10px 0 6px;font-size:1.4rem}
.collab-desc{margin:0 0 12px;font-weight:600;color:#4e423d;font-size:.96rem}
.collab-events{margin:0 0 18px;padding:0;list-style:none;display:grid;gap:6px}
.collab-events li{display:flex;gap:9px;align-items:flex-start;font-weight:700;font-size:.94rem}
.collab-events li::before{content:"";flex:none;width:10px;height:10px;margin-top:9px;border-radius:50%;background:var(--accent);border:2px solid var(--line)}
.collab-body .btns{margin-top:auto}
.btn-discord{background:#5865F2;color:#fff}
.btn-vrc{background:#fff;color:var(--ink)}
.sessions-note{margin:22px 0 0;color:var(--muted);font-size:.92rem;font-weight:600}.tba-text{color:var(--muted);font-size:.85rem}

.apply-box{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;padding:34px;border-radius:24px;background:var(--primary);color:#fff;border:3px solid var(--line);box-shadow:var(--shadow)}
.apply-box h3{margin:0 0 5px;font-size:1.8rem}.apply-box p{margin:0 0 20px;color:#ffe7e7;font-weight:600}
.apply-side{display:flex;flex-direction:column;justify-content:center;border-left:2px dashed rgba(255,255,255,.5);padding-left:26px}
.apply-side strong{font-size:1.6rem;line-height:1.3;color:#fff;font-weight:900;margin:4px 0 8px}.apply-side small{color:#fff;font-weight:700;font-size:.92rem}
.apply-side .indent{display:inline-block;padding-left:1.4em}
.apply-note{background:rgba(255,255,255,.14);border:2px dashed rgba(255,255,255,.6);border-radius:12px;padding:10px 14px;font-size:.96rem}.apply-note a{color:var(--accent);text-decoration-thickness:2px;text-underline-offset:3px}

.requirements{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.checklist{margin:0;padding-left:1.2em;font-weight:600}.checklist li{margin:.55em 0}
.note{border:2px solid var(--line);background:var(--soft);padding:15px 17px;border-radius:12px;font-size:.94rem;font-weight:600;box-shadow:3px 3px 0 var(--line)}

.ticket-box{padding:34px;border-radius:24px;background:var(--accent);border:3px solid var(--line);box-shadow:var(--shadow)}
.ticket-top{display:flex;justify-content:space-between;gap:22px;align-items:flex-start}
.ticket-top strong{display:inline-block;font-size:1rem;background:var(--ink);color:var(--accent);padding:3px 10px;border-radius:6px;letter-spacing:.08em}
.price{font-size:2.4rem;line-height:1.1;font-weight:900;color:var(--ink);margin-top:8px}.price small{font-size:.9rem;color:#5a4a3a}
.ticket-sub{margin:28px 0 0;padding-top:24px;border-top:3px dashed var(--line);font-size:1.2rem}
.ticket-flow{margin:12px 0 25px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.ticket-flow div{background:#fff;border:2px solid var(--line);border-radius:14px;padding:16px;font-weight:600;box-shadow:3px 3px 0 var(--line)}
.ticket-flow b{display:block;color:var(--primary);margin-bottom:4px}
.ticket-box .note{background:#fff}
.note .caution{color:var(--primary)}
.ticket-after{margin:28px 0 0;padding-top:24px;border-top:3px dashed var(--line)}
.ticket-after h3{margin:0 0 14px;font-size:1.25rem}
.ticket-after .btns{justify-content:center;margin-top:8px}
.ticket-steps{list-style:none;margin:0 0 18px;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;counter-reset:ts}
.ticket-steps li{background:#fff;border:2px solid var(--line);border-radius:14px;padding:16px 16px 16px 54px;position:relative;counter-increment:ts;box-shadow:3px 3px 0 var(--line)}
.ticket-steps li::before{content:counter(ts);position:absolute;left:14px;top:14px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--primary);color:#fff;font-weight:900;font-size:.95rem;border:2px solid var(--line)}
.ticket-steps b{display:block;margin-bottom:3px}.ticket-steps p{margin:0;font-size:.92rem;color:#4e423d;font-weight:600}

.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.step{padding:22px}
.step-num{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--accent);border:2px solid var(--line);color:var(--ink);font-weight:900;margin-bottom:12px;box-shadow:3px 3px 0 var(--line)}
.step h3{font-size:1.05rem;margin:0 0 5px}.step p{font-size:.9rem;color:var(--muted);margin:0;font-weight:600}

.faq-list{display:grid;gap:14px}
.faq-item{padding:0;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 56px 18px 22px;font-weight:900;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"Q";display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--primary);color:#fff;font-weight:900;margin-right:10px;font-size:.85rem;vertical-align:middle}
.faq-item summary::after{content:"";position:absolute;right:22px;top:50%;width:10px;height:10px;border-right:3px solid var(--ink);border-bottom:3px solid var(--ink);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item summary:hover{background:var(--soft)}
.faq-a{padding:0 22px 20px;color:#4e423d;border-top:2px dashed #e5d7c0;font-weight:600}.faq-a p{margin:14px 0 0}.faq-a .note{margin-top:12px}

.cta{padding:72px 0 68px;background:var(--accent) repeating-linear-gradient(-45deg,rgba(255,255,255,.35) 0 18px,transparent 18px 36px);color:var(--ink);text-align:center;border-top:3px solid var(--line);border-bottom:3px solid var(--line)}
.cta h2{display:inline-block;margin:8px 0 30px;padding:10px 28px;font-size:clamp(1.9rem,5vw,3rem);line-height:1.3;color:var(--primary);text-shadow:none;background:#fff;border:3px solid var(--line);border-radius:16px;box-shadow:6px 6px 0 var(--line);transform:rotate(-1.5deg)}
.cta p{margin:0 auto 28px;max-width:700px;font-weight:700}.cta .btns{justify-content:center}
.vdp-panel{text-align:center}
.vdp-lead{margin:0 auto 22px;max-width:780px;font-size:1.15rem;font-weight:700;line-height:2.1;color:var(--ink)}
.vdp-lead strong{color:var(--primary)}
.vdp-logo{display:inline-block;height:48px;width:auto;vertical-align:middle;margin:0 2px 8px 0}
.vdp-panel h2{margin:0 0 10px;font-size:clamp(1.5rem,3.5vw,2.1rem)}.vdp-panel p{margin:0 auto 18px;max-width:720px;color:var(--muted);font-weight:600}
.site-footer{padding:34px 0;background:var(--ink);color:#d9cfc4;font-size:.9rem;font-weight:600}
.site-footer .foot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}.site-footer a{color:#fff}

.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .reveal{opacity:1;transform:none;transition:none}}
@media (max-width:1000px){.nav a:not(.btn){padding:8px 9px;font-size:.88rem}
  .date-chips,.date-chips .pair{gap:5px}.date-chips .d{min-width:46px;padding:5px 5px 4px}.date-chips .d b{font-size:1.25rem}}
@media (max-width:850px){
  /* 日付タブ → ヒーローと同じ日付チップ（案4） */
  .tabs{display:flex;justify-content:space-between;gap:8px;overflow:visible;padding:4px 0 16px}
  .tabs::before,.tabs::after{display:none}
  .tab{flex:1;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;padding:8px 4px 6px;border-radius:12px;background:var(--accent);line-height:1;min-height:0}
  .tab .tab-full{display:none}.tab .tab-chip{display:contents}
  .tab b{font-size:1.45rem;color:var(--ink)}.tab b i{font-style:normal;font-size:.7rem;margin-left:1px}
  .tab small{font-size:.62rem;font-weight:900;letter-spacing:.1em;color:var(--primary);margin-top:4px}
  .tab.sun small{color:var(--blue)}
  .tab[aria-selected="true"]{background:var(--primary)}.tab[aria-selected="true"] b,.tab[aria-selected="true"] small{color:#fff}
  .pc-only{display:none}.collab-grid{grid-template-columns:1fr}
  .nav-toggle{display:block}
  .nav{position:absolute;left:0;right:0;top:var(--header-h);flex-direction:column;align-items:stretch;gap:2px;background:var(--bg);border-bottom:3px solid var(--line);padding:10px 16px 16px;box-shadow:0 12px 0 rgba(42,30,27,.08)}
  .js .nav{display:none}.js .nav.open{display:flex}.nav a{padding:12px 14px;border-radius:12px}.nav .btn{margin:8px 0 0}
  .hero-grid,.overview,.requirements,.apply-box{grid-template-columns:1fr}.hero-meta{max-width:640px;transform:none}
  .features{grid-template-columns:1fr}
  .gallery{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 6px 12px;scrollbar-width:thin}.gallery figure{flex:0 0 72%;scroll-snap-align:start}
  .session-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}
  .apply-side{border-left:0;border-top:2px dashed rgba(255,255,255,.5);padding:20px 0 0}.ticket-flow,.ticket-steps{grid-template-columns:1fr}
}
@media (max-width:520px){
  .wrap{width:min(calc(100% - 22px),var(--max))}.brand span{display:none}
  .hero{padding:48px 0 56px}main>section{padding:60px 0}.hero-logo{width:100%}
  .steps{grid-template-columns:1fr}.info-grid{grid-template-columns:1fr;gap:3px}.info-grid dd{margin-bottom:12px}
  .ticket-top{flex-direction:column}.panel,.ticket-box{padding:22px}.gallery figure{flex-basis:84%}
}

/* ---------- lightbox ---------- */
.lightbox{border:0;padding:0;background:transparent;max-width:none;max-height:none;width:100vw;height:100vh;inset:0;margin:0;display:none;place-items:center}
.lightbox[open]{display:grid}
.lightbox::backdrop{background:rgba(42,30,27,.86)}
.lb-figure{margin:0;max-width:min(92vw,1200px);max-height:88vh;display:grid;gap:10px;justify-items:center;animation:lb-in .22s ease}
.lb-img{max-width:min(92vw,1200px);max-height:78vh;width:auto;height:auto;border:3px solid var(--line);border-radius:14px;box-shadow:8px 8px 0 var(--line);background:#fff}
.lb-caption{color:#fff;font-weight:800;font-size:.95rem;background:rgba(42,30,27,.6);padding:4px 12px;border-radius:999px}
.lb-close,.lb-prev,.lb-next{position:fixed;z-index:2;width:48px;height:48px;border:2px solid var(--line);border-radius:12px;background:var(--accent);color:var(--ink);font-size:1.7rem;line-height:1;font-weight:900;cursor:pointer;box-shadow:3px 3px 0 var(--line);display:grid;place-items:center}
.lb-close{top:16px;right:16px}
.lb-prev{left:16px;top:50%;transform:translateY(-50%)}
.lb-next{right:16px;top:50%;transform:translateY(-50%)}
.lb-close:hover,.lb-prev:hover,.lb-next:hover{background:#fff}
.lb-close:focus-visible,.lb-prev:focus-visible,.lb-next:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
@keyframes lb-in{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:none}}
@media (max-width:520px){.lb-prev,.lb-next{top:auto;bottom:18px;transform:none;width:44px;height:44px}.lb-prev{left:18px}.lb-next{right:18px}.lb-img{max-height:70vh}}
@media (prefers-reduced-motion:reduce){.lb-figure{animation:none}}

/* ---------- 開催セッション: ゲスト卓（案A: 金枠＋GUEST リボン） ---------- */
.session-card.is-guest,.session-card.is-official,.pending-card.is-guest{position:relative;background:linear-gradient(180deg,#fff8e6,#fff 45%)}
.session-card.is-guest::before,.session-card.is-official::before,.pending-card.is-guest::before{content:"";position:absolute;inset:-2px;border:3px solid var(--accent);border-radius:16px;pointer-events:none;z-index:2}
.session-card.is-guest .session-card-head,.session-card.is-official .session-card-head{background:var(--accent)}
.session-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.cf-tag{display:inline-block;background:var(--blue);color:#fff;font-size:.74rem;font-weight:900;letter-spacing:.08em;padding:2px 9px;border-radius:6px;border:2px solid var(--line);line-height:1.6}
.guest-ribbon{position:absolute;top:0;right:22px;background:var(--primary);color:#fff;font-size:.7rem;font-weight:900;letter-spacing:.18em;padding:9px 11px 15px;border:2px solid var(--line);border-top:0;z-index:3;clip-path:polygon(0 0,100% 0,100% 100%,50% 78%,0 100%);line-height:1}
.guest-tag{display:inline-flex;align-items:center;gap:4px;background:var(--primary);color:#fff;font-size:.72rem;font-weight:900;letter-spacing:.12em;padding:2px 9px;border-radius:6px;border:2px solid var(--line);margin-left:6px;vertical-align:middle}
.guest-tag::before{content:"★"}
.scenario-tba{color:#b3a79b;font-weight:700}
.day-note{margin:18px 0 0;color:var(--muted);font-size:.9rem;font-weight:600}
/* 調整中の卓 */
.pending-block{margin-top:44px;padding-top:34px;border-top:3px dashed var(--line)}
.pending-title{display:grid;gap:6px;margin-bottom:20px}
.pending-title .badge-tba{justify-self:start;transform:rotate(-2deg)}
.pending-title h3{margin:4px 0 0;font-size:1.5rem}
.pending-title p{margin:0;color:var(--muted);font-weight:600}
.pending-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pending-card{position:relative;overflow:hidden;padding-right:70px;background:#fff;border:2px solid var(--line);border-radius:14px;box-shadow:4px 4px 0 var(--line);padding:16px 18px 16px}
.pending-card.is-guest::before{border-radius:14px}
.pending-head{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin-bottom:6px}
.pending-gm{font-size:.8rem;font-weight:900;color:#fff;background:var(--ink);padding:2px 8px;border-radius:6px}
.pending-card h4{margin:0 0 2px;font-size:1.05rem;line-height:1.4}
.pending-scenario{margin:0 0 10px;font-size:.9rem;font-weight:700;color:var(--muted)}
.pending-days{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.pending-days .lbl{font-size:.72rem;font-weight:900;color:var(--muted);letter-spacing:.06em;margin-right:2px}
.pending-days span:not(.lbl){display:inline-grid;place-items:center;min-width:30px;height:26px;padding:0 6px;border-radius:8px;font-size:.82rem;font-weight:900;border:2px solid var(--line)}
.pending-days .on{background:var(--accent);color:var(--ink)}
.pending-days .off{background:#f1ece2;color:#b3a79b;border-color:#d8ccbb;text-decoration:line-through}
@media (max-width:1000px){.pending-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.pending-grid{grid-template-columns:1fr}}

/* ---------- 公式卓: 表紙（ステッカー風）＋ゲスト GM アイコン（案B） ---------- */
.session-card.has-cover .session-card-head{position:relative;padding-right:170px;min-height:168px}
.session-card .cover{position:absolute;right:26px;top:14px;width:110px;height:auto;border:3px solid #fff;outline:2px solid var(--line);border-radius:8px;box-shadow:4px 4px 0 var(--line);transform:rotate(4deg);background:#fff}
.session-card .gm-ic{position:absolute;right:118px;top:96px;width:68px;height:68px;border-radius:50%;border:3px solid #fff;outline:2px solid var(--line);object-fit:cover;box-shadow:3px 3px 0 var(--line);z-index:2;background:#fff}
.session-card.is-guest.has-cover .guest-ribbon{right:auto;left:22px}
.session-card.is-guest.has-cover .session-meta{margin-top:26px}
@media (max-width:600px){
  .session-card.has-cover .session-card-head{padding-right:136px;min-height:150px}
  .session-card .cover{width:92px;right:18px}
  .session-card .gm-ic{right:96px;top:90px;width:58px;height:58px}
}

/* ---------- 応募フォーム（開催日ごと） ---------- */
.apply-note--forms{margin-top:14px}
.entry-forms{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}
.entry-forms .btn{flex-direction:column;gap:2px;padding:10px 8px;line-height:1.2;font-size:.95rem}
.entry-forms .ef-day{font-size:1.35rem;display:inline-flex;align-items:baseline;gap:4px}
.entry-forms .ef-day small{font-size:.66rem;letter-spacing:.1em;color:var(--primary)}
.day-apply{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:22px 0 0;padding:18px 20px;background:#fff;border:2px dashed var(--line);border-radius:14px}
.day-apply-note{font-size:.88rem;font-weight:700;color:var(--muted)}
@media (max-width:850px){.entry-forms{grid-template-columns:1fr 1fr}}