:root{--ink:#14251f;--muted:#63716b;--green:#147a55;--green2:#e5f4ed;--cream:#f6f3eb;--line:#dce4df;--white:#fff;--orange:#e38332;--shadow:0 22px 60px rgba(20,37,31,.10)}

*{box-sizing:border-box}
body{margin:0;color:var(--ink);background:linear-gradient(180deg,#f3f7f3 0,#fbfaf6 38%,#f4f1e9 100%);font-family:"Noto Sans JP","Yu Gothic",system-ui,sans-serif;min-height:100vh}
.topbar{height:72px;padding:0 max(24px,calc((100vw - 1120px)/2));display:flex;align-items:center;gap:13px;background:rgba(255,255,255,.88);border-bottom:1px solid var(--line);backdrop-filter:blur(15px);position:sticky;top:0;z-index:10}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--green);color:#fff;display:grid;place-items:center;font:800 21px Georgia}
.topbar strong{display:block;font-size:14px;letter-spacing:.07em}
.topbar span{font-size:11px;color:var(--muted)}
.agent-state{margin-left:auto;font:700 12px/1 monospace;color:var(--green);border:1px solid #bcdaca;padding:9px 12px;border-radius:99px}
.agent-state i{display:inline-block;width:7px;height:7px;background:#27b879;border-radius:50%;margin-right:6px;box-shadow:0 0 0 4px #dcf6e9}
main{max-width:1120px;margin:auto;padding:70px 24px 100px}
.hero{max-width:830px;margin:0 auto 45px;text-align:center}
.eyebrow{font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--green)}
h1{font-family:Georgia,"Yu Mincho",serif;font-size:clamp(38px,6vw,68px);line-height:1.16;margin:16px 0 20px;letter-spacing:-.035em}
h1 em{font-style:normal;color:var(--green);position:relative}
h1 em:after{content:"";height:7px;background:#f1bf75;position:absolute;left:0;right:0;bottom:2px;z-index:-1;border-radius:10px}
.hero>p:last-child{max-width:690px;margin:auto;line-height:1.9;color:var(--muted);font-size:15px}
.workspace{max-width:880px;margin:auto}
.steps{display:flex;align-items:center;justify-content:center;margin:0 auto 20px;max-width:500px}
.step{display:flex;align-items:center;gap:8px;color:#96a19b;font-size:12px;font-weight:700}
.step b{display:grid;place-items:center;width:28px;height:28px;border:1px solid #bdc7c1;border-radius:50%;font-size:12px}
.step.active{color:var(--green)}
.step.active b,.step.done b{background:var(--green);border-color:var(--green);color:#fff}
.line{height:1px;background:#ccd5d0;width:58px;margin:0 10px}
.panel{background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:var(--shadow)}
.panel-head{display:flex;gap:16px;align-items:flex-start;margin-bottom:23px}
.panel-head>span{font:800 12px monospace;color:var(--green);background:var(--green2);padding:8px;border-radius:7px}
.panel h2,.history h2{margin:0 0 5px;font-family:Georgia,"Yu Mincho",serif;font-size:24px}
.panel p{margin:0;color:var(--muted);line-height:1.7;font-size:13px}
textarea,input{font:inherit}
textarea{width:100%;min-height:150px;padding:18px;border:1px solid #cfd9d3;border-radius:13px;resize:vertical;font-size:16px;line-height:1.7;outline:none;background:#fbfcfa}
textarea:focus,input:focus{border-color:var(--green);box-shadow:0 0 0 4px #e5f4ed}
.input-footer{display:flex;align-items:center;justify-content:space-between;margin-top:16px}
.input-footer small{color:var(--muted)}
button{font:inherit;cursor:pointer}
.primary{border:0;color:#fff;background:var(--green);padding:14px 20px;border-radius:11px;font-weight:800;box-shadow:0 8px 18px rgba(20,122,85,.2)}
.primary:hover{background:#0f6747}
.primary:disabled{opacity:.5;cursor:not-allowed}
.primary span{margin-left:12px}
.primary.full{width:100%;margin-top:8px}
.question{margin-bottom:18px}
.question label{display:block;font-weight:800;font-size:14px;margin-bottom:8px}
.question input{width:100%;border:1px solid #cfd9d3;border-radius:11px;padding:14px;background:#fbfcfa}
.loading{text-align:center;padding:65px 30px}
.spinner{width:42px;height:42px;border:4px solid #dcebe4;border-top-color:var(--green);border-radius:50%;margin:0 auto 20px;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}
}
.hidden{display:none!important}
.result-card{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}
.result-top{background:var(--ink);color:#fff;padding:28px 32px;display:flex;justify-content:space-between;gap:16px}
.result-top small{color:#b9c8c1;letter-spacing:.1em}
.result-top h2{font:700 27px Georgia,"Yu Mincho",serif;margin:8px 0 0}
.saved-badge{height:max-content;border:1px solid #567167;color:#cceadd;padding:8px 10px;border-radius:99px;font-size:11px;font-weight:800}
.card-body{padding:30px 32px}
.meta{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:25px}
.tag{padding:7px 11px;background:var(--cream);border-radius:8px;font-size:12px;font-weight:800}
.tag.priority{background:#fff0e1;color:#9a4c13}
.label{font:800 11px monospace;letter-spacing:.1em;color:var(--green);margin-bottom:8px}
.first-action{padding:22px;border-radius:15px;background:var(--green2);margin-bottom:23px}
.first-action h3{font-size:22px;line-height:1.55;margin:0 0 8px}
.first-action p{margin:0;color:#486157;line-height:1.6}
.ideas{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:12px 0 24px}
.idea{border:1px solid var(--line);border-radius:12px;padding:14px}
.idea.selected{border:2px solid var(--green);background:#f7fcf9}
.idea b{display:block;font-size:13px;margin-bottom:5px}
.idea p{font-size:11px;line-height:1.5;margin:0;color:var(--muted)}
.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.info-box{border-top:1px solid var(--line);padding-top:17px}
.info-box b{display:block;font-size:13px;line-height:1.6}
.safe-note{margin-top:18px;padding:12px;border-radius:9px;background:#fff9e8;color:#735c24;font-size:12px}
.section-title{margin:48px 0 18px;display:flex;justify-content:space-between;align-items:end}
.section-title span{font:800 11px monospace;color:var(--green);letter-spacing:.14em}
.secondary{background:#fff;border:1px solid #bfcac4;padding:11px 14px;border-radius:10px;font-weight:800;color:var(--ink)}
.history-item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px;margin-bottom:10px}
.history-main{display:flex;justify-content:space-between;gap:15px}
.history-item h3{margin:4px 0 6px;font-size:17px}
.history-item p{margin:0;color:var(--muted);font-size:12px}
.status{font-size:11px;font-weight:800;padding:7px 9px;border-radius:99px;background:#f0f3f1;height:max-content}
.status.pending{color:#9a4c13;background:#fff0e1}
.status.reviewed{color:var(--green);background:var(--green2)}
.feedback{border-top:1px solid var(--line);margin-top:16px;padding-top:16px}
.feedback-buttons{display:flex;gap:8px;flex-wrap:wrap}
.feedback-buttons button{border:1px solid #cbd5d0;background:#fff;border-radius:8px;padding:8px 11px}
.feedback textarea{min-height:80px;margin:12px 0}
.next-box{margin-top:13px;background:var(--green2);padding:14px;border-radius:10px}
.next-box b{color:var(--green)}
.toast{position:fixed;right:22px;bottom:22px;background:var(--ink);color:#fff;padding:13px 17px;border-radius:10px;opacity:0;transform:translateY(10px);transition:.25s;pointer-events:none;font-size:13px}
.toast.show{opacity:1;transform:none}
.error{color:#a53326;background:#fff0ee;padding:12px;border-radius:9px;margin-bottom:15px;font-size:13px}
@media(max-width:700px){main{padding:42px 15px 80px}
.topbar{padding:0 15px}
.agent-state{display:none}
.steps .step span{display:none}
.line{width:42px}
.panel,.card-body{padding:22px 18px}
.result-top{padding:23px 19px}
.ideas{grid-template-columns:1fr}
.card-grid{grid-template-columns:1fr}
.input-footer{align-items:flex-end;gap:12px}
.primary{padding:13px 14px}
.section-title{align-items:center}
.section-title h2{font-size:20px}
}
.agent-trace{margin-top:24px;padding:20px;border:1px solid #d9e4dd;border-radius:14px;background:#f7faf8}
.agent-trace ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:12px 0 0;padding:0;list-style:none}
.agent-trace li{display:flex;align-items:center;gap:10px;color:#33443c;font-size:.9rem}
.agent-trace li span{display:grid;place-items:center;flex:0 0 26px;height:26px;border-radius:50%;background:#0b815d;color:#fff;font-weight:700;font-size:.75rem}
@media(max-width:700px){.agent-trace ol{grid-template-columns:1fr}}