@import url("https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@400;500;700;900&display=swap");

:root{
  --ai:#1F2B4D;        /* 藍：文字・ブランド */
  --ai2:#33456F;
  --ink:#1F2433;
  --sub:#6B7280;       /* 鈍色 */
  --line:#E2E6EE;
  --bg:#F3F5F8;        /* 白鼠 */
  --paper:#FFFFFF;
  --shu:#D9483B;       /* 朱：怒りの表示にだけ使う */
  --take:#2E8B6A;      /* 若竹：良い評価 */
  --kin:#B7791F;       /* 注意 */
  --calm:#EAF0F7; --hot:#FBE1DA;
  --r-s:6px; --r-m:12px; --r-l:20px;
  --font:"Zen Kaku Gothic New","Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI","Meiryo",sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:16px;color:var(--ink);background:var(--bg);line-height:1.75;word-break:keep-all;overflow-wrap:anywhere;line-break:strict;font-feature-settings:"palt" 0}
a{color:var(--ai2)}
img{max-width:100%}
h1,h2,h3{line-height:1.4;margin:0 0 .5em;font-weight:700;letter-spacing:.01em}
:focus-visible{outline:3px solid #7FA2E0;outline-offset:2px;border-radius:4px}
.small{font-size:.86rem;color:var(--sub)}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.narrow{max-width:720px;margin:0 auto;padding:28px 20px 60px}
.num{font-variant-numeric:tabular-nums}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4em;background:var(--ai);color:#fff;text-decoration:none;border:0;border-radius:var(--r-s);padding:.75em 1.4em;font-weight:700;font-size:1rem;cursor:pointer;font-family:inherit;line-height:1.3;text-align:center;transition:background .15s}
.btn:hover{background:var(--ai2)}
.btn.sec{background:var(--paper);color:var(--ai);box-shadow:inset 0 0 0 1.5px var(--ai)}
.btn.sec:hover{background:#EEF1F7}
.btn.ghost{background:transparent;color:var(--sub);box-shadow:inset 0 0 0 1px var(--line)}
.btn.ghost:hover{color:var(--ink);background:#fff}
.btn.sm{padding:.5em 1em;font-size:.9rem}
.btn.lg{padding:.95em 1.8em;font-size:1.05rem}
.btn:disabled{opacity:.45;cursor:default}

.bar{background:var(--ai);color:#fff;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.bar a{color:#fff;text-decoration:none}
.brand{font-weight:900;letter-spacing:.02em}
.brand small{font-weight:400;opacity:.75;margin-left:.6em;font-size:.78rem}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-m);padding:20px}
.codebox{background:#EEF2FA;border:2px dashed var(--ai2);border-radius:var(--r-m);padding:16px;text-align:center;margin:16px 0}
.codebox .lbl{font-size:.85rem;color:var(--sub)}
.codebox .code{font-size:1.8rem;font-weight:900;letter-spacing:.08em;font-variant-numeric:tabular-nums}
.warn{background:#FFF6E5;border-left:4px solid var(--kin);padding:10px 14px;border-radius:var(--r-s)}
table.kv{border-collapse:collapse;width:100%;margin:12px 0;background:#fff}
table.kv th,table.kv td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
table.kv th{background:#F6F7FA;width:30%;font-weight:500;color:var(--sub)}
input,select,textarea{font-family:inherit;font-size:1rem;padding:.65em .85em;border:1px solid #CBD2DE;border-radius:var(--r-s);width:100%;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--ai2);box-shadow:0 0 0 3px rgba(51,69,111,.15)}
textarea{resize:none}
label{font-weight:500;display:block;margin:.6em 0 .3em}
.badge{display:inline-block;font-size:.74rem;padding:.1em .6em;border-radius:var(--r-s);background:#EEF1F7;color:var(--ai2);font-weight:500}
.badge.legit{background:#E4F3EC;color:#1F6E52}

/* ───── 会話（体験版・本番共用） ───── */
.stage{--heat:.5;position:relative;display:flex;flex-direction:column;border-radius:var(--r-l);overflow:hidden;
  background:color-mix(in srgb,var(--hot) calc(var(--heat)*100%),var(--calm));transition:background 1.2s ease}
.stage-top{display:flex;align-items:center;gap:14px;padding:16px 18px 10px}
.face{width:56px;height:56px;flex:none}
.face svg{width:100%;height:100%;display:block}
.mood{flex:1;min-width:0}
.mood-lbl{display:flex;justify-content:space-between;align-items:baseline;font-size:.85rem;color:var(--sub)}
.mood-lbl b{color:var(--ink);font-size:.95rem}
.gauge{height:8px;border-radius:8px;background:rgba(31,43,77,.1);overflow:hidden;margin-top:6px}
.gauge i{display:block;height:100%;width:50%;background:var(--shu);border-radius:8px;transition:width .8s ease,background .8s}
.sit{margin:0 18px 6px;background:rgba(255,255,255,.7);border-radius:var(--r-m);font-size:.92rem}
.sit summary{cursor:pointer;padding:10px 14px;font-weight:500;list-style:none;display:flex;justify-content:space-between;gap:8px}
.sit summary::-webkit-details-marker{display:none}
.sit summary span{color:var(--sub);font-weight:400;font-size:.82rem;white-space:nowrap}
.sit[open] summary span::after{content:"とじる"}
.sit:not([open]) summary span::after{content:"ひらく"}
.sit p{margin:0;padding:0 14px 12px;color:#3D4457}
.log{display:flex;flex-direction:column;gap:12px;padding:10px 18px 16px;overflow-y:auto;min-height:220px;max-height:46vh;scroll-behavior:smooth}
.msg{max-width:82%;padding:11px 15px;border-radius:16px;white-space:pre-wrap;line-height:1.7}
.msg .who{display:block;font-size:.72rem;opacity:.65;margin-bottom:2px}
.msg.customer{background:#fff;align-self:flex-start;border-top-left-radius:4px;box-shadow:0 1px 0 rgba(31,43,77,.06)}
.msg.staff{background:var(--ai);color:#fff;align-self:flex-end;border-top-right-radius:4px}
.msg.sys{align-self:center;background:rgba(255,255,255,.6);color:var(--sub);font-size:.85rem;border-radius:var(--r-s);padding:6px 12px}
.msg.err{align-self:center;background:#fff;color:var(--shu);font-size:.88rem;border-radius:var(--r-s);padding:8px 12px}
.typing{align-self:flex-start;background:#fff;border-radius:16px;border-top-left-radius:4px;padding:12px 16px;display:flex;gap:5px}
.typing i{width:7px;height:7px;border-radius:50%;background:#9AA3B5;animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}
.composer{background:var(--paper);border-top:1px solid var(--line);padding:12px 14px calc(12px + env(safe-area-inset-bottom))}
.row-in{display:flex;gap:8px;align-items:flex-end}
.row-in textarea{flex:1;min-height:48px;max-height:140px;line-height:1.6}
.mic{width:48px;height:48px;border-radius:50%;border:1px solid #CBD2DE;background:#fff;cursor:pointer;flex:none;display:grid;place-items:center;color:var(--ai)}
.mic svg{width:22px;height:22px}
.mic.on{background:var(--shu);border-color:var(--shu);color:#fff;animation:pulse 1.3s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(217,72,59,.45)}100%{box-shadow:0 0 0 14px rgba(217,72,59,0)}}
.send{height:48px}
.tools{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-top:8px}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:.3em .9em;font-family:inherit;font-size:.85rem;color:var(--ai2);cursor:pointer}
.chip:hover{border-color:var(--ai2)}
.chip[aria-pressed="true"]{background:var(--ai);color:#fff;border-color:var(--ai)}
.tools .sp{flex:1}
.toggle{font-size:.82rem;color:var(--sub);display:flex;align-items:center;gap:6px;font-weight:400;margin:0;cursor:pointer}
.toggle input{width:auto;margin:0}
.hint{margin-top:8px;background:#F6F8FB;border-radius:var(--r-m);padding:10px 12px;font-size:.88rem}
.hint p{margin:0 0 6px;color:#3D4457}
.hint button{display:block;width:100%;text-align:left;border:0;background:#fff;border-radius:var(--r-s);padding:8px 10px;margin-top:4px;font-family:inherit;font-size:.88rem;cursor:pointer;color:var(--ink)}
.hint button:hover{background:#EEF2FA}
@media (prefers-reduced-motion:reduce){.stage,.gauge i{transition:none}.typing i,.mic.on{animation:none}}

/* ───── 採点 ───── */
.result{display:grid;gap:18px}
.res-head{display:grid;grid-template-columns:1fr 240px;gap:18px;align-items:center;background:var(--paper);border-radius:var(--r-l);padding:24px}
.res-score{display:flex;align-items:baseline;gap:6px}
.res-score .n{font-size:5rem;font-weight:900;line-height:1;color:var(--ai);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.res-score .d{color:var(--sub)}
.res-grade{font-weight:700;font-size:1.15rem;margin:.4em 0 .2em}
.res-diff{font-size:.9rem;color:var(--sub)}
.res-diff b.up{color:var(--take)}.res-diff b.down{color:var(--shu)}
.radar svg{width:100%;height:auto;display:block}
.res-sum{margin:.6em 0 0;color:#3D4457}
.axes{background:var(--paper);border-radius:var(--r-m);padding:6px 20px}
.ax{border-bottom:1px solid var(--line);padding:12px 0}
.ax:last-child{border-bottom:0}
.ax-h{display:grid;grid-template-columns:1fr 120px 3.5em;gap:12px;align-items:center}
.ax-bar{height:6px;border-radius:6px;background:#E8ECF3;overflow:hidden}
.ax-bar i{display:block;height:100%;background:var(--ai2)}
.ax-h b{text-align:right;font-variant-numeric:tabular-nums}
.ax p{margin:.3em 0 0;font-size:.88rem;color:var(--sub)}
.gb{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.gb > div{background:var(--paper);border-radius:var(--r-m);padding:16px 18px}
.gb h3{font-size:1rem;margin:0 0 .4em;display:flex;align-items:center;gap:8px}
.gb h3::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--take)}
.gb .bad h3::before{background:var(--kin)}
.gb ul{margin:0;padding-left:1.1em}
.gb li{margin-bottom:.35em}
.model{background:var(--paper);border-radius:var(--r-m);padding:16px 18px}
.model h3{font-size:1rem}
.model .ln{border-left:3px solid var(--ai2);padding:2px 0 2px 12px;margin:12px 0}
.model .ln small{display:block;color:var(--sub);font-size:.82rem}
.model .ln q{quotes:"「" "」";font-weight:500}
.replay{background:var(--paper);border-radius:var(--r-m);padding:4px 18px}
.replay summary{cursor:pointer;padding:12px 0;font-weight:500}
.replay ol{list-style:none;margin:0 0 14px;padding:0}
.replay li{display:grid;grid-template-columns:4.5em 1fr;gap:10px;padding:6px 0;border-top:1px dashed var(--line);font-size:.92rem}
.replay li span{color:var(--sub);font-size:.82rem}
.replay li .h{color:var(--shu);font-size:.78rem;display:block}
@media (max-width:720px){
  .res-head{grid-template-columns:1fr;padding:20px}
  .radar{max-width:260px;margin:0 auto}
  .gb{grid-template-columns:1fr}
  .ax-h{grid-template-columns:1fr 3.5em}.ax-bar{grid-column:1/-1;grid-row:2}
  .msg{max-width:90%}
}
@media print{.noprint{display:none!important}body{background:#fff}}