/* 集まれAI デザインシステム v2（2026-08-14 UI刷新仕様） */
:root{
  --bg:#F7F8FC; --card:#FFFFFF; --ink:#07111F; --sub:#667085; --line:#E6E9F0;
  --purple:#7C5CFF; --cyan:#22D3EE; --ok:#22C55E; --maybe:#F59E0B; --ng:#EF4444;
  --grad:linear-gradient(120deg,#7C5CFF,#22D3EE);
  --r-lg:24px; --r-md:14px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans JP","Yu Gothic",sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%}

/* ---- ヘッダー ---- */
.hd{background:#fff;border-bottom:1px solid var(--line)}
.hd-in{max-width:1120px;margin:0 auto;height:68px;display:flex;align-items:center;padding:0 20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;white-space:nowrap}
.brand img{width:38px;height:38px;display:block;border-radius:9px}
.brand .bt{line-height:1.2}
.brand .bt b{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.brand .bt b i{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand .bt small{display:block;font-size:9.5px;letter-spacing:.16em;color:var(--sub);font-weight:700}

/* ---- レイアウト ---- */
.wrap{max-width:760px;margin:0 auto;padding:24px 18px 40px}
.wrap.narrow{max-width:560px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 22px;box-shadow:0 1px 4px rgba(7,17,31,.04);margin-bottom:16px}
@media(min-width:768px){.card{padding:32px}}
h2{font-size:16px;color:var(--ink);margin:0 0 12px;font-weight:800}
label{display:block;font-size:12.5px;font-weight:700;color:var(--sub);margin:14px 0 6px}
.muted{color:var(--sub);font-size:12.5px}

/* ---- ヒーロー ---- */
.hero{text-align:center;padding:44px 0 26px}
.hero h1{font-size:36px;line-height:1.15;margin:0 0 16px;font-weight:900;letter-spacing:.01em;color:var(--ink)}
@media(min-width:768px){.hero h1{font-size:52px}}
.hero h1 .ai{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:14.5px;color:var(--sub);margin:0 0 18px}
.badges{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:6px 14px;font-size:12px;font-weight:700;color:var(--ink)}
.badge svg{width:14px;height:14px;flex:none}

/* ---- 入力・ボタン ---- */
input,textarea{width:100%;border:1.5px solid var(--line);border-radius:var(--r-md);padding:13px 14px;font-size:16px;font-family:inherit;background:#FBFCFE;color:var(--ink)}
input:focus,textarea:focus{outline:none;border-color:var(--purple);background:#fff;box-shadow:0 0 0 3px rgba(124,92,255,.12)}
textarea{min-height:120px;resize:vertical}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:56px;border:0;border-radius:var(--r-md);font-size:15.5px;font-weight:800;cursor:pointer;background:var(--grad);color:#fff;letter-spacing:.03em;font-family:inherit;transition:opacity .12s,transform .08s}
.btn:hover{opacity:.92}
.btn:active{transform:scale(.985)}
.btn[disabled]{opacity:.45;cursor:default}
.btn.loading{pointer-events:none;opacity:.75}
.btn.sub{background:#fff;border:1.5px solid var(--line);color:var(--ink);font-weight:700}
.btn.sub:hover{border-color:#c9cfdd;opacity:1}
.btn + .btn{margin-top:12px}
.spinner{width:18px;height:18px;border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;flex:none}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---- 3ステップ ---- */
.steps{display:grid;gap:12px}
@media(min-width:768px){.steps{grid-template-columns:1fr 1fr 1fr}}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 18px}
.step .no{width:32px;height:32px;border-radius:50%;background:var(--grad);color:#fff;font-size:15px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.step b{display:block;font-size:14.5px;margin-bottom:3px}
.step span{font-size:12.5px;color:var(--sub)}

/* ---- 作成画面：ステップバー・候補カード・スイッチ ---- */
.progress{display:flex;align-items:center;justify-content:center;gap:8px;font-size:12px;color:var(--sub);font-weight:700;margin:6px 0 18px}
.progress b{color:var(--purple)}
.progress .sep{color:#c9cfdd}
.optrow2{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:10px 12px;margin-bottom:10px}
.optrow2 .no{flex:none;width:26px;height:26px;border-radius:50%;background:#F0EDFF;color:var(--purple);font-size:12.5px;font-weight:800;display:flex;align-items:center;justify-content:center}
.optrow2 input{border:0;background:transparent;padding:6px 2px;flex:1;font-size:15px}
.optrow2 input:focus{box-shadow:none}
.optrow2 .del{flex:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--sub)}
.optrow2 .del:hover{border-color:var(--ng);color:var(--ng)}
.optrow2 .del[disabled]{opacity:.35;cursor:default}
.addopt{width:100%;border:1.5px dashed #c9cfdd;background:transparent;color:var(--sub);border-radius:var(--r-md);padding:13px;font-size:13.5px;font-weight:700;cursor:pointer;font-family:inherit}
.addopt:hover{border-color:var(--purple);color:var(--purple)}
.switch{position:relative;width:48px;height:28px;flex:none}
.switch input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}
.switch .tr{position:absolute;inset:0;background:#d7dbe6;border-radius:14px;transition:background .15s;pointer-events:none}
.switch .th{position:absolute;top:3px;left:3px;width:22px;height:22px;background:#fff;border-radius:50%;box-shadow:0 1px 3px rgba(0,0,0,.2);transition:left .15s;pointer-events:none}
.switch input:checked ~ .tr{background:var(--ok)}
.switch input:checked ~ .th{left:23px}

/* ---- 回答画面：セグメント○△× ---- */
.seg{display:flex;gap:8px}
.seg button{flex:1;min-height:52px;border:1.5px solid var(--line);background:#F4F6FA;border-radius:var(--r-md);cursor:pointer;font-family:inherit;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;color:#98a2b3;transition:all .1s}
.seg button .mk{font-size:19px;font-weight:800;line-height:1.2}
.seg button .lb{font-size:10px;font-weight:700}
.seg button.on-ok{background:#EAF9F0;border-color:var(--ok);border-width:2px;color:#15803d}
.seg button.on-maybe{background:#FFF6E6;border-color:var(--maybe);border-width:2px;color:#b45309}
.seg button.on-ng{background:#FDEEEE;border-color:var(--ng);border-width:2px;color:#b91c1c}
.optcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:14px;margin-bottom:10px}
.optcard>b{display:block;font-size:15px;color:var(--ink);margin-bottom:10px}

/* ---- 集計・管理 ---- */
.reco{background:linear-gradient(135deg,#F5F2FF,#EDFBFE);border:1.5px solid #D9CEFF;border-radius:var(--r-lg);padding:22px;margin-bottom:14px}
.reco .cap{font-size:11px;letter-spacing:.14em;color:var(--purple);font-weight:800;margin-bottom:6px}
.reco .date{font-size:22px;font-weight:900;color:var(--ink);margin-bottom:2px}
.reco .cnt{font-size:13px;color:var(--sub)}
.tallycard{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:13px 14px;margin-bottom:9px}
.tallycard .hd2{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.tallycard .hd2 b{font-size:14.5px}
.tallycard .marks{font-size:12.5px;color:var(--sub)}
.tallycard .who{font-size:12px;color:var(--sub);line-height:1.9}
.pill{display:inline-block;background:#F0EDFF;color:#5b3fd6;border-radius:20px;padding:3px 13px;font-size:11.5px;font-weight:800}
.pill.green{background:#EAF9F0;color:#15803d}
.err{background:#FDF1F1;border:1.5px solid #F2C4C4;color:#b32e2e;border-radius:var(--r-md);padding:11px 14px;font-size:13px;margin:10px 0}
.notice{background:#FFF9EC;border:1.5px solid #EEDFAE;color:#8a6d1d;border-radius:var(--r-md);padding:12px 14px;font-size:12.5px;margin:10px 0}
.skel{background:linear-gradient(90deg,#edf0f7 25%,#f6f8fc 50%,#edf0f7 75%);background-size:200% 100%;animation:sk 1.2s infinite;border-radius:12px}
@keyframes sk{to{background-position:-200% 0}}

/* ---- EX導線・フッター ---- */
.excta{background:#fff;border:1.5px solid #D9CEFF;border-radius:var(--r-lg);padding:22px;margin-bottom:14px}
.excta h2{margin-bottom:6px}
.foot{margin:36px 0 14px;text-align:center;font-size:11.5px;color:var(--sub);line-height:2}
.foot a{color:var(--sub);font-weight:700;text-decoration:underline;text-underline-offset:2px}
.foot a.ex{color:var(--purple);text-decoration:none}

/* ---- チャット ---- */
.chat{display:flex;flex-direction:column;gap:10px;margin-bottom:12px}
.msg{max-width:88%;padding:12px 15px;border-radius:16px;font-size:14px;animation:pop .22s ease}
.msg.ai{background:#fff;border:1px solid var(--line);border-bottom-left-radius:6px;align-self:flex-start}
.msg.me{background:var(--grad);color:#fff;border-bottom-right-radius:6px;align-self:flex-end}
@keyframes pop{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
a.txtlink{color:var(--purple);font-weight:700}

/* ---- AI受付 実演バナー（宣伝装置・CSSのみで動く）---- */
.adbn{background:#07111F;border-radius:var(--r-lg);padding:20px 18px;margin:18px 0;overflow:hidden;position:relative}
.adbn .cap{font-size:10px;letter-spacing:.16em;color:#7d8aa3;font-weight:800;margin-bottom:10px}
.adbn .stage{min-height:150px}
.adbn .bub{max-width:85%;padding:9px 13px;border-radius:14px;font-size:12.5px;margin-bottom:8px;opacity:0;line-height:1.6}
.adbn .bub.ring{background:transparent;color:#8fa5bd;padding-left:0;animation:bnpop .4s ease forwards}
.adbn .bub.bot{background:#12233c;color:#dbe7f7;border-bottom-left-radius:5px;animation:bnpop .4s ease forwards}
.adbn .bub.cst{background:linear-gradient(120deg,#7C5CFF,#22D3EE);color:#fff;border-bottom-right-radius:5px;margin-left:auto;animation:bnpop .4s ease forwards}
.adbn .bub:nth-child(1){animation-delay:.6s}
.adbn .bub:nth-child(2){animation-delay:1.6s}
.adbn .bub:nth-child(3){animation-delay:3.1s}
.adbn .bub:nth-child(4){animation-delay:4.6s}
.adbn .bub .chk{color:#4ade80;font-weight:800}
@keyframes bnpop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.adbn .stage{animation:bnloop 9s infinite}
@keyframes bnloop{0%,92%{opacity:1}96%{opacity:0}100%{opacity:1}}
.adbn .tail{border-top:1px solid #1c2e4a;margin-top:6px;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.adbn .tail b{color:#fff;font-size:14px}
.adbn .tail small{display:block;color:#7d8aa3;font-size:11px;font-weight:400}
.adbn .go{flex:none;background:linear-gradient(120deg,#7C5CFF,#22D3EE);color:#fff;border-radius:12px;padding:11px 18px;font-size:13px;font-weight:800;text-decoration:none;animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(124,92,255,.45)}50%{box-shadow:0 0 0 8px rgba(124,92,255,0)}}

/* ---- 4コマ漫画バナー（フェード切替・16秒ループ）---- */
.mangabn{position:relative;border-radius:var(--r-lg);overflow:hidden;margin:18px 0;background:#07111F}
.mangabn .frames{position:relative;width:100%;aspect-ratio:1/1}
.mangabn .frames img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;animation:mgfade 16s infinite}
.mangabn .frames img:nth-child(1){animation-delay:0s}
.mangabn .frames img:nth-child(2){animation-delay:4s}
.mangabn .frames img:nth-child(3){animation-delay:8s}
.mangabn .frames img:nth-child(4){animation-delay:12s}
@keyframes mgfade{0%{opacity:0}2%{opacity:1}25%{opacity:1}31%{opacity:0}100%{opacity:0}}
.mangabn .bar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px;flex-wrap:wrap;background:#07111F}
.mangabn .bar b{color:#fff;font-size:13.5px}
.mangabn .bar small{display:block;color:#7d8aa3;font-size:10.5px;font-weight:400}
.mangabn .go{flex:none;background:linear-gradient(120deg,#7C5CFF,#22D3EE);color:#fff;border-radius:12px;padding:10px 16px;font-size:12.5px;font-weight:800;text-decoration:none;animation:pulse 2.4s infinite}