:root{--coral:#dd6867;--coral-deep:#c8514f;--slate:#4c7299;--mist:#cddce3;--paper:#fafaf9;--surface:#ffffff;--ink:#26292e;--ink-sub:#626a75;--line:#e4e6ea}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Kaku Gothic ProN,Hiragino Sans,Yu Gothic UI,Meiryo,sans-serif;color:var(--ink);background:var(--paper);line-height:1.6}main{max-width:720px;margin:0 auto;padding:48px 24px}main.wide{max-width:880px;padding:40px 24px 64px}h1{font-size:1.5rem;margin:0 0 8px}a{color:var(--slate)}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--coral);outline-offset:2px}.subtext{color:var(--ink-sub);font-size:.875rem;margin:0 0 24px}.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:24px}.card,.error{margin-bottom:16px}.error{background:#ffebe9;border:1px solid #ff8182;border-radius:8px;color:#a40e26;padding:12px 16px;font-size:.875rem}form{margin:0}label{display:block;font-size:.875rem;font-weight:600;margin-bottom:4px}input[type=email],input[type=password]{width:100%;padding:8px 12px;border:1px solid var(--line);border-radius:6px;font-size:1rem;margin-bottom:16px}button{display:block;width:100%;padding:10px 16px;border:none;border-radius:6px;font-size:1rem;font-weight:600;cursor:pointer}.btn-google{background:var(--surface);border:1px solid var(--line);color:var(--ink)}.btn-google:hover{background:var(--paper)}.btn-primary{background:var(--coral);color:#fff}.btn-primary:hover{background:var(--coral-deep)}.btn-link{width:auto;background:none;border:none;padding:0;color:var(--ink-sub);font-size:.8125rem;font-weight:400;text-decoration:underline;cursor:pointer}.top-bar{display:flex;justify-content:space-between;gap:12px 16px;flex-wrap:wrap;margin-bottom:40px}.brand,.top-bar{align-items:center}.brand{display:inline-flex;gap:10px}.brand svg{display:block}.brand-name{font-size:.9375rem;font-weight:700;letter-spacing:.02em}.account{display:inline-flex;align-items:center;gap:12px;min-width:0}.account-email{font-size:.8125rem;color:var(--ink-sub);max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.role-badge{font-size:.6875rem;font-weight:700;letter-spacing:.05em;padding:2px 10px;border-radius:999px;border:1px solid;white-space:nowrap}.role-badge.internal{color:var(--slate);border-color:#c9d5e0;background:#eef3f7}.role-badge.guest{color:var(--coral-deep);border-color:#f0c9c9;background:#fdf1f1}.page-head{margin-bottom:28px}.page-head h1{font-size:1.625rem;letter-spacing:.01em;margin:0 0 6px}.lead{color:var(--ink-sub);font-size:.9375rem;margin:0 0 14px}.notice{display:inline-flex;align-items:center;gap:8px;font-size:.8125rem;color:#3f5f80;background:#f0f5f8;border:1px solid #dbe6ec;border-radius:8px;padding:7px 12px;margin:0}.notice svg{flex:none}.demo-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));grid-gap:16px;gap:16px}.demo-card{display:flex;flex-direction:column;gap:6px;height:100%;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px 22px;text-decoration:none;color:inherit;transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}.demo-card:hover{border-color:var(--coral);box-shadow:0 4px 14px rgba(221,104,103,.14);transform:translateY(-1px)}.demo-title{font-weight:700;font-size:1rem}.demo-desc{font-size:.8125rem;color:var(--ink-sub);line-height:1.55}.demo-open{margin-top:auto;padding-top:10px;font-size:.8125rem;font-weight:600;color:var(--coral-deep);display:inline-flex;align-items:center;gap:4px}.demo-open .arrow{transition:transform .15s ease}.demo-card:hover .demo-open .arrow{transform:translateX(3px)}.empty{border:1px dashed var(--mist);border-radius:12px;background:var(--surface);color:var(--ink-sub);text-align:center;padding:48px 24px;display:grid;justify-items:center;grid-gap:12px;gap:12px;font-size:.9375rem}.empty svg{opacity:.45}main.login{max-width:420px;padding:72px 24px 48px}.brand-block{display:grid;justify-items:center;grid-gap:6px;gap:6px;text-align:center;margin-bottom:28px}.brand-title{font-size:1.125rem;font-weight:700;letter-spacing:.01em}.brand-sub{font-size:.75rem;color:var(--ink-sub);letter-spacing:.35em;text-indent:.35em}.login-card{padding:24px}.login-label{font-weight:700;letter-spacing:.03em;margin:0 0 14px}.login-label,.login-note{font-size:.8125rem;color:var(--ink-sub)}.login-note{margin:0 0 16px}.btn-google{display:flex;align-items:center;justify-content:center;gap:10px}.switch-link{font-size:.8125rem;color:var(--ink-sub);text-align:center;margin:20px 0 0;line-height:1.9}@media (prefers-reduced-motion:no-preference){.demo-grid>li{animation:card-in .4s cubic-bezier(.2,.7,.3,1) both}.demo-grid>li:nth-child(2){animation-delay:.06s}.demo-grid>li:nth-child(3){animation-delay:.12s}.demo-grid>li:nth-child(n+4){animation-delay:.18s}@keyframes card-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}}