:root{
  --bg:#0C0E13; --bg2:#11141C; --card:#161A24; --card2:#1C212E;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.15);
  --text:#EBEEF4; --muted:#98A1B3; --faint:#5E6878;
  --blue:#4D8DFF; --blue2:#2F6BFF; --blue-soft:rgba(77,141,255,.14);
  --amber:#FFC24A; --amber-soft:rgba(255,194,74,.14);
  --rec:#FF5A5A; --ok:#34D6A8;
  --disp:"Space Grotesk","Noto Sans JP",system-ui,sans-serif;
  --body:"Noto Sans JP",system-ui,-apple-system,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
  --mono:"Space Mono",ui-monospace,Menlo,monospace;
  --shadow:0 10px 30px rgba(0,0,0,.4);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;min-height:100vh;display:flex;flex-direction:column}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(55% 40% at 80% -8%,rgba(77,141,255,.16),transparent 60%),radial-gradient(45% 35% at 5% 2%,rgba(52,214,168,.08),transparent 60%)}
a{color:inherit;text-decoration:none}
::selection{background:var(--blue);color:#fff}
img{display:block;max-width:100%}

/* nav */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:13px clamp(16px,4vw,48px);backdrop-filter:blur(14px);background:rgba(12,14,19,.82);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--disp);font-weight:700;font-size:19px;letter-spacing:-.01em;color:var(--text)}
.mark{width:28px;height:28px;border-radius:9px;background:linear-gradient(135deg,var(--blue),#7AB0FF);display:flex;align-items:center;justify-content:center;color:#06122b;box-shadow:0 6px 16px rgba(77,141,255,.4)}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{font-size:14px;color:var(--muted);font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-cta{font-family:var(--disp);font-weight:600;font-size:13.5px;padding:9px 16px;border-radius:10px;color:#fff;background:var(--blue2);transition:.2s;box-shadow:0 6px 18px rgba(47,107,255,.4)}
.nav-cta:hover{transform:translateY(-1px);filter:brightness(1.08)}
.burger{display:none;background:none;border:0;color:var(--text);cursor:pointer;align-items:center;justify-content:center;line-height:1}

main{position:relative;z-index:1}
.wrap{max-width:1320px;margin:0 auto;padding:0 clamp(16px,4vw,48px)}
section{max-width:1320px;padding:clamp(34px,5vw,64px) clamp(16px,4vw,48px)}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--blue);display:inline-flex;align-items:center;gap:8px;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--blue)}
.h2{font-family:var(--disp);font-weight:700;font-size:clamp(24px,3.4vw,36px);letter-spacing:-.02em;line-height:1.1}
.sub{color:var(--muted);margin-top:10px;max-width:560px;font-size:14px}
.page-head{max-width:1320px;margin:0 auto;padding:clamp(30px,5vw,56px) clamp(16px,4vw,48px) 0}

/* hero / saver */
.hero{max-width:1320px;margin:0 auto;padding:clamp(34px,5vw,60px) clamp(16px,4vw,48px) 10px;text-align:center}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;
  padding:6px 14px;border:1px solid var(--line2);border-radius:100px;color:var(--muted);background:rgba(255,255,255,.03);margin-bottom:18px}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--ok)}
.hero h1{font-family:var(--disp);font-weight:700;font-size:clamp(30px,5.4vw,56px);line-height:1.04;letter-spacing:-.03em}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero .lead{color:var(--muted);font-size:clamp(14px,1.5vw,16px);max-width:520px;margin:16px auto 0}
.console{margin:28px auto 0;max-width:720px;text-align:left;background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line2);border-radius:18px;padding:10px;box-shadow:var(--shadow)}
.slot{display:flex;gap:10px;flex-wrap:wrap}
.input-wrap{flex:1;min-width:230px;display:flex;align-items:center;gap:10px;background:#0E1117;border:1.5px solid var(--line);border-radius:12px;padding:0 14px;transition:.2s}
.input-wrap:focus-within{border-color:var(--blue);box-shadow:0 0 0 4px var(--blue-soft)}
.input-wrap svg{flex-shrink:0;color:var(--faint)}
.input-wrap input{flex:1;background:none;border:0;outline:0;color:var(--text);font-family:var(--mono);font-size:14px;padding:15px 0;min-width:0}
.input-wrap input::placeholder{color:var(--faint)}
.save-btn{font-family:var(--disp);font-weight:700;font-size:15px;background:var(--blue2);color:#fff;border:0;border-radius:12px;padding:4px 24px;cursor:pointer;display:flex;align-items:center;gap:9px;transition:.2s;box-shadow:0 8px 22px rgba(47,107,255,.4)}
.save-btn:hover{transform:translateY(-1px);filter:brightness(1.08)}
.console-foot{display:flex;align-items:center;gap:14px;padding:12px 12px 6px;flex-wrap:wrap}
.qfixed{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:11px;color:var(--blue);background:var(--blue-soft);border:1px solid var(--line);border-radius:9px;padding:6px 11px;font-weight:700}
.hint{font-size:12px;color:var(--faint);margin-left:auto;font-family:var(--mono)}

/* result card */
.rv-card{margin:16px 6px 6px;background:#0E1117;border:1px solid var(--line2);border-radius:14px;padding:14px;animation:rise .4s ease both}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.rv-thumb,.rv-card .rthumb{width:100%;aspect-ratio:16/9;border-radius:11px;object-fit:cover;display:block}
.rv-meta{margin-top:12px}
.rv-who{font-family:var(--mono);font-size:13px;color:var(--muted)}
.rv-text{font-weight:500;font-size:15px;margin-top:3px}
.rv-actions{display:flex;gap:10px;align-items:center;margin-top:14px;flex-wrap:wrap}
.rv-dl{font-family:var(--disp);font-weight:700;font-size:14px;background:var(--blue2);color:#fff;border-radius:11px;padding:11px 20px;display:inline-flex;align-items:center;gap:8px;box-shadow:0 8px 22px rgba(47,107,255,.4)}
.rv-dl:hover{filter:brightness(1.08)}
.rv-url{flex:1;min-width:200px;font-family:var(--mono);font-size:12px;color:var(--muted);background:var(--card);border:1px solid var(--line2);border-radius:10px;padding:11px 12px;outline:0}
.rv-err{color:#FF6B6B;font-size:13px;padding:8px 4px}
.demo-badge{display:inline-block;font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--amber);background:var(--amber-soft);border:1px solid rgba(255,194,74,.3);border-radius:6px;padding:3px 8px;margin-left:8px;vertical-align:middle}

/* ====== サムネイル・グリッド（主役） ====== */
.section-bar{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:20px}

/* top announce */
#top_announce{
  display:block;
  background:linear-gradient(180deg,var(--card2),var(--card));
  border:1px solid var(--line2);
  border-radius:16px;
  padding:clamp(18px,2.6vw,30px);
  box-shadow:var(--shadow);
  margin-bottom:0;
}
#top_announce > div:first-child{margin-bottom:10px}
#top_announce .h2{margin-top:2px}
#top_announce h3{
  font-family:var(--disp);
  font-size:17px;
  line-height:1.35;
  margin-top:22px;
  margin-bottom:8px;
  color:var(--text);
}
#top_announce h3:first-of-type{margin-top:14px}
#top_announce p{
  color:var(--muted);
  font-size:14px;
  line-height:1.9;
}
#top_announce p + p{margin-top:8px}
#top_announce .link_term{
  color:var(--blue);
  text-decoration:underline;
  text-underline-offset:2px;
}
#top_announce .link_term:hover{filter:brightness(1.1)}
.tabs{display:flex;gap:5px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:4px}
.tabs button{font-family:var(--disp);font-weight:600;font-size:13.5px;color:var(--muted);background:none;border:0;padding:9px 16px;border-radius:9px;cursor:pointer;transition:.2s;display:flex;align-items:center;gap:7px}
.tabs button.on{background:var(--blue2);color:#fff}
.tabs button .ic{width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.8}
.period{display:flex;gap:5px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:4px}
.period a{font-family:var(--mono);font-size:12px;color:var(--muted);padding:8px 14px;border-radius:8px;transition:.2s}
.period a.on{background:var(--blue2);color:#fff;font-weight:700}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(218px,1fr));gap:18px}
.more-wrap{display:flex;justify-content:center;margin-top:24px}
.more-btn{font-family:var(--disp);font-weight:700;font-size:14px;background:var(--card);border:1px solid var(--line2);color:var(--text);border-radius:12px;padding:11px 22px;cursor:pointer;transition:.2s}
.more-btn:hover{border-color:var(--blue);color:var(--blue)}
.more-btn:disabled{opacity:.6;cursor:default}
.vcard{background:var(--card);border:1px solid var(--line);border-radius:13px;overflow:hidden;cursor:pointer;transition:transform .18s,border-color .18s,box-shadow .18s;display:flex;flex-direction:column}
.vcard:hover{transform:translateY(-3px);border-color:var(--line2);box-shadow:0 16px 34px -16px rgba(0,0,0,.7)}
.vthumb{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,hsl(var(--h,220),52%,42%),hsl(calc(var(--h,220) + 38),48%,20%));overflow:hidden}
.vthumb img{width:100%;height:100%;object-fit:cover}
.vthumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(0,0,0,.45))}
.vplay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.9);width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;color:#0C0E13;opacity:0;transition:.2s;z-index:2}
.vcard:hover .vplay{opacity:1;transform:translate(-50%,-50%) scale(1)}
.vdur{position:absolute;bottom:7px;right:7px;z-index:2;font-family:var(--mono);font-size:11px;color:#fff;background:rgba(0,0,0,.78);padding:2px 7px;border-radius:5px}
.rank-badge{position:absolute;top:7px;left:7px;z-index:2;font-family:var(--mono);font-weight:700;font-size:13px;color:#fff;background:rgba(0,0,0,.62);min-width:26px;height:24px;display:flex;align-items:center;justify-content:center;padding:0 7px;border-radius:7px}
.vcard.top1 .rank-badge{background:linear-gradient(135deg,#FFC24A,#FF9D2E);color:#3a2400}
.vfav{position:absolute;top:6px;right:6px;z-index:3;width:30px;height:30px;border-radius:8px;border:0;background:rgba(0,0,0,.55);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:14px;transition:.15s;opacity:0}
.vcard:hover .vfav{opacity:1}
.vfav:hover{background:rgba(0,0,0,.8)}
.vfav.on{opacity:1;color:var(--amber);background:rgba(0,0,0,.7)}
.vbody{padding:11px 12px 12px;display:flex;flex-direction:column;gap:7px;flex:1}
.vtitle{font-size:13.5px;font-weight:500;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:38px}
.vmeta{display:flex;align-items:center;justify-content:space-between;gap:8px;font-family:var(--mono)}
.vwho{font-size:11.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:.15s}
.vwho[href]{color:var(--blue);text-decoration:none}
.vwho[href]:hover{color:var(--blue);text-decoration:underline;text-underline-offset:2px}
.vcount{font-size:12px;color:var(--blue);font-weight:700;white-space:nowrap}
.vcount .l{color:var(--faint);font-size:10px;font-weight:400;margin-left:3px}
.vgood{align-self:flex-start;font-family:var(--mono);font-size:12px;color:var(--muted);background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:8px;padding:5px 10px;cursor:pointer;display:inline-flex;gap:6px;align-items:center;transition:.15s}
.vgood:hover{border-color:var(--blue);color:var(--blue)}
.vgood.on{background:var(--blue-soft);border-color:var(--blue);color:var(--blue);font-weight:700}

/* realtime */
.live-grid{display:grid;grid-template-columns:1fr;gap:22px}
.live-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.live-head h3{font-family:var(--disp);font-size:16px;font-weight:600}
.live-badge{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--rec);border:1px solid rgba(255,90,90,.4);padding:4px 10px;border-radius:100px;background:rgba(255,90,90,.12)}
.live-badge .d{width:7px;height:7px;border-radius:50%;background:var(--rec);animation:pulse 1.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,90,90,.5)}70%{box-shadow:0 0 0 8px rgba(255,90,90,0)}100%{box-shadow:0 0 0 0 rgba(255,90,90,0)}}
.feed{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:8px 14px;max-height:360px;overflow:hidden;position:relative}
.feed::after{content:"";position:absolute;bottom:0;left:0;right:0;height:46px;background:linear-gradient(transparent,var(--card))}
.fitem{display:flex;align-items:center;gap:11px;padding:11px 2px;border-bottom:1px solid var(--line);animation:rise .4s ease both}
.fitem .fdot{width:8px;height:8px;border-radius:50%;background:var(--blue);flex-shrink:0;box-shadow:0 0 8px var(--blue)}
.fitem .ftxt{font-size:13px;color:var(--muted);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fitem .ftxt b{color:var(--text);font-weight:500}
.fitem .ftime{margin-left:auto;font-family:var(--mono);font-size:10px;color:var(--faint);flex-shrink:0}

/* contact / forms */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:42px;align-items:start}
.contact-aside p{color:var(--muted);margin-top:12px;font-size:14px}
.faq{margin-top:24px;display:grid;gap:2px}
.faq details{border-top:1px solid var(--line);padding:15px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:500;font-size:14px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--blue);font-size:18px}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--muted);font-size:13.5px;margin-top:9px}
.form{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px}
.field{margin-bottom:15px}
.field label{display:block;font-size:12px;font-family:var(--mono);letter-spacing:.05em;color:var(--muted);margin-bottom:7px;text-transform:uppercase}
.field input,.field select,.field textarea{width:100%;background:#0E1117;border:1.5px solid var(--line);border-radius:11px;color:var(--text);font-family:var(--body);font-size:14px;padding:12px 13px;outline:0;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px var(--blue-soft)}
.field textarea{resize:vertical;min-height:112px}
.send{width:100%;font-family:var(--disp);font-weight:700;font-size:15px;background:var(--blue2);color:#fff;border:0;border-radius:12px;padding:14px;cursor:pointer;transition:.2s;box-shadow:0 8px 22px rgba(47,107,255,.4)}
.send:hover{transform:translateY(-1px);filter:brightness(1.08)}
.form-ok{display:none;text-align:center;padding:28px 10px}
.form-ok.show{display:block;animation:rise .4s ease both}
.form-ok .check{width:52px;height:52px;border-radius:50%;background:var(--blue-soft);color:var(--blue);display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.form-ok h4{font-family:var(--disp);font-size:20px}
.form-ok p{color:var(--muted);margin-top:8px;font-size:14px}

/* legal */
.legal{max-width:820px;margin:0 auto;padding:30px clamp(16px,4vw,40px) 80px}
.legal h2{font-family:var(--disp);font-size:26px;margin:8px 0 10px}
.legal h3{font-family:var(--disp);font-size:17px;margin:22px 0 8px}
.legal p,.legal li{color:var(--muted);font-size:14px;line-height:1.9}
.legal ul{padding-left:20px}

/* footer */
footer{border-top:1px solid var(--line);padding:40px clamp(16px,4vw,48px);position:relative;z-index:1;background:var(--bg2);margin-top:auto}
.foot-inner{max-width:1320px;margin:0 auto;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:flex-start}
.foot-note{font-size:12px;color:var(--faint);max-width:560px;line-height:1.7;margin-top:10px}
.foot-links{display:flex;gap:20px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.foot-links a:hover{color:var(--text)}

/* admin */
.admin-wrap{max-width:1000px;padding:30px clamp(16px,4vw,40px)}
.admin-tabs{display:flex;gap:6px;margin:18px 0 24px;flex-wrap:wrap}
.admin-tabs a{font-family:var(--disp);font-weight:600;font-size:14px;color:var(--muted);background:var(--card);border:1px solid var(--line);border-radius:10px;padding:9px 16px}
.admin-tabs a.on{background:var(--blue2);color:#fff}
.admin-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow);margin-bottom:18px}
.admin-card h3{font-family:var(--disp);font-size:16px;margin-bottom:14px}
table.adm{width:100%;border-collapse:collapse;font-size:13px}
table.adm th,table.adm td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}
table.adm th{font-family:var(--mono);font-size:11px;color:var(--muted);text-transform:uppercase}
.admin-card .row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.admin-tools .send{width:auto;min-width:140px}
.admin-stat{margin-top:8px;color:var(--muted);font-size:13px}
.adm-action{display:flex;align-items:center;gap:8px}
.adm-thumb{width:92px;height:52px;object-fit:cover;border-radius:8px;border:1px solid var(--line);display:block;background:#0E1117}
.adm-thumb-fallback{display:flex;align-items:center;justify-content:center;color:var(--faint);font-size:10px;font-family:var(--mono)}
.adm-action input[type="text"]{min-width:150px;max-width:220px;background:#0E1117;border:1px solid var(--line);border-radius:8px;color:var(--text);font-size:12px;padding:7px 9px}
.chip{background:rgba(255,255,255,.06);border:1px solid var(--line2);color:var(--text);border-radius:9px;padding:6px 11px;cursor:pointer}
.chip:hover{border-color:var(--blue);color:var(--blue)}
.pager{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px}
.pager a{border:1px solid var(--line);background:#0E1117;color:var(--muted);border-radius:8px;padding:6px 11px;font-size:12px}
.pager a.on{background:var(--blue2);color:#fff;border-color:transparent}

/* toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--card2);border:1px solid var(--line2);color:var(--text);border-radius:12px;padding:13px 18px;font-size:14px;display:flex;align-items:center;gap:10px;box-shadow:0 20px 50px rgba(0,0,0,.6);opacity:0;pointer-events:none;transition:.3s;z-index:99}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast .ic{color:var(--ok)}

@media(max-width:820px){
  .nav{position:sticky}
  .nav-links{display:none}
  .nav.open .nav-links{display:flex;position:absolute;top:calc(100% + 8px);left:14px;right:14px;z-index:60;flex-direction:column;gap:0;background:rgba(12,14,19,.98);border:1px solid var(--line2);border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
  .nav.open .nav-links a{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--text)}
  .nav.open .nav-links a:last-child{border-bottom:0}
  .burger{display:flex}
  .slot .save-btn{margin-left:auto;margin-right:auto;font-size:20px;}
  #top_announce{padding:18px}
  #top_announce h3{font-size:16px}
  #top_announce p{font-size:13.5px;line-height:1.8}
  .contact-grid{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
  .admin-card .row2{grid-template-columns:1fr}
  .adm-action{flex-direction:column;align-items:stretch}
  .adm-action input[type="text"]{max-width:none}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}