:root{color-scheme:light;--bg: #f4f7f8;--ink: #142026;--muted: #65737c;--line: #d8e1e4;--panel: #ffffff;--accent: #0f766e;--accent-dark: #115e59;--good: #1f8a5b;--bad: #c2413b;--neutral: #596b7a;--page-width: 1220px;--page-gap: 18px}*{box-sizing:border-box}body{margin:0;font-family:Inter,Yu Gothic UI,Hiragino Sans,Meiryo,sans-serif;background:var(--bg);color:var(--ink)}button,input,textarea,select{font:inherit}button{cursor:pointer}.app{--app-padding: 26px;display:flex;flex-direction:column;min-height:100vh;padding:var(--app-padding)}.center-screen{display:grid;place-items:center}.workspace,.landing-page,.auth-page,.public-page{display:flex;flex:1;flex-direction:column;min-width:0;width:100%;max-width:var(--page-width);margin:0 auto}.public-page{align-items:stretch}.topbar,.summary-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;min-width:0;width:100%;margin-bottom:var(--page-gap)}.brand-line{display:flex;align-items:center;gap:10px;min-width:0}.brand-home{border:0;padding:0;background:transparent;color:inherit;text-align:left}.brand-mark{width:72px;height:auto;flex:0 0 auto}.brand-text{display:flex;align-items:baseline;gap:16px;min-width:0}.brand-name{color:var(--ink);font-size:2rem;font-weight:850;line-height:1;white-space:nowrap}.brand-copy{color:var(--muted);font-size:.92rem;font-weight:800;line-height:1;white-space:nowrap}.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0}.lang-toggle,.login-button,.signup-button,.secondary,.nav-link{min-height:38px;border-radius:8px;padding:0 13px;font-weight:850}.lang-toggle,.signup-button,.secondary,.nav-link{border:1px solid var(--line);background:#ffffffc7;color:var(--muted)}.nav-link{border-color:transparent;background:transparent}.login-button{display:inline-flex;align-items:center;gap:7px;border:0;background:var(--ink);color:#fff}.user-chip{max-width:220px;overflow:hidden;color:var(--muted);font-size:.86rem;font-weight:800;text-overflow:ellipsis;white-space:nowrap}.landing-hero{position:relative;display:flex;align-items:center;min-width:0;width:100%;min-height:min(690px,calc(100vh - 130px));overflow:hidden;border-radius:8px;background:#0b1417;box-shadow:0 24px 70px #18242a33}.hero-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.landing-hero:before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,#04090cfa,#070e11e0 34%,#070e1152 64%,#070e110f);pointer-events:none}.landing-hero:after{content:"";position:absolute;inset:0;z-index:2;border:1px solid rgba(255,255,255,.12);border-radius:inherit;pointer-events:none}.hero-copy{position:relative;z-index:3;width:min(640px,58%);padding:clamp(36px,6vw,76px);color:#fff}.eyebrow{margin:0 0 8px;color:var(--accent-dark);font-size:.78rem;font-weight:850;letter-spacing:0;text-transform:uppercase}.hero-copy .eyebrow{color:#67e8d6}.hero-copy h1{margin:0;font-size:clamp(2.6rem,5vw,4.4rem);line-height:1.03;letter-spacing:0}.hero-copy p{max-width:610px;margin:22px 0 0;color:#ecfdf5db;font-size:1.05rem;font-weight:750;line-height:1.85}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.landing-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;min-width:0;width:100%;margin-top:12px}.landing-stat{border:1px solid var(--line);border-radius:8px;padding:16px;background:var(--panel)}.landing-stat strong{display:block;margin-bottom:5px;font-size:1.05rem}.landing-stat span,.auth-copy{color:var(--muted);font-weight:750}.page-shell{width:100%;min-width:0;max-width:none;margin:0;border:1px solid var(--line);border-radius:8px;padding:clamp(24px,4vw,42px);background:var(--panel);box-shadow:0 18px 55px #212a3014}.public-page .page-shell,.auth-page .auth-card,.landing-page .landing-strip{margin-bottom:56px}.public-page .site-footer,.auth-page .site-footer,.landing-page .site-footer,.workspace .site-footer{margin-top:auto}.page-shell h1{margin:0;font-size:clamp(1.65rem,2.8vw,2.35rem);line-height:1.12}.page-intro{max-width:760px;margin:18px 0 0;color:var(--muted);font-size:1.04rem;font-weight:750;line-height:1.8;overflow-wrap:anywhere}.legal-sections{display:grid;gap:14px;margin-top:28px}.pricing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;min-width:0;margin-top:28px}.pricing-card{border:1px solid var(--line);border-radius:8px;padding:18px;background:#fbfcfc}.pricing-card span{color:var(--accent-dark);font-size:.82rem;font-weight:900}.pricing-card strong{display:block;margin:10px 0 4px;font-size:2.2rem;line-height:1}.pricing-card h2{font-size:1.05rem}.pricing-card p{margin:10px 0 0;color:var(--muted);font-weight:750;line-height:1.6}.legal-sections article{border-top:1px solid var(--line);padding-top:16px}.legal-sections h2{font-size:1.08rem}.legal-sections p,.info-table dd{color:var(--muted);line-height:1.8;overflow-wrap:anywhere}.info-table{display:grid;gap:0;margin:28px 0 0;border:1px solid var(--line);border-radius:8px;overflow:hidden}.info-table div{display:grid;grid-template-columns:210px 1fr;border-bottom:1px solid var(--line)}.info-table div:last-child{border-bottom:0}.info-table dt,.info-table dd{margin:0;padding:14px 16px}.info-table dt{background:#f7fafb;color:var(--ink);font-weight:850}.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) 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p{margin-left:auto}.query-panel{display:grid;align-content:start;gap:16px;padding:20px}.history-panel{align-self:start;padding:18px}.history-panel h2{margin:0 0 12px;font-size:1rem}.history-panel p{color:var(--muted);line-height:1.6}.history-list{display:grid;gap:10px}.history-link{display:block;width:100%;border:1px solid var(--line);border-radius:8px;padding:12px;background:#fbfcfc;color:inherit;text-align:left}.history-link:hover,.history-link.active{border-color:var(--accent);background:#eef7f5;box-shadow:inset 0 0 0 1px #0f766e1f}.history-list span{color:var(--accent-dark);font-size:.78rem;font-weight:900}.history-list strong{display:block;margin:5px 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-list p{display:-webkit-box;margin:0;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:3}h1,h2,h3,p{margin-top:0}h2{margin-bottom:0;font-size:1.35rem}h3{font-size:1rem}.sample-count{display:inline-flex;align-items:center;gap:8px;border:1px solid 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var(--line)}}@media(max-width:820px){.app{--app-padding: 16px}.topbar,.summary-strip{align-items:stretch;flex-direction:column}.brand-line{align-items:center;gap:9px}.brand-mark{width:58px}.brand-text{align-items:flex-start;flex-direction:column;gap:4px}.brand-name{font-size:1.55rem}.brand-copy{font-size:.88rem;white-space:normal}.header-actions{width:100%;flex:none;align-self:stretch;justify-content:flex-start;flex-wrap:wrap;gap:8px}.lang-toggle,.login-button,.signup-button,.secondary,.nav-link{padding:0 11px}.landing-hero{min-height:540px;background-position:58% center}.landing-hero:before{background:linear-gradient(90deg,#04090cfa,#070e11f0 52%,#070e116b)}.hero-copy{padding:28px}.hero-copy h1{font-size:clamp(2.6rem,12vw,3.6rem)}.hero-copy p{max-width:20rem;font-size:.98rem;overflow-wrap:anywhere}.hero-actions{align-items:flex-start;flex-direction:column}.hero-actions .primary{width:min(100%,260px)}.mode-grid,.meter-grid,.report-sections,.post-list{grid-template-columns:1fr}.primary{width:100%}.submit-row{align-items:stretch;flex-direction:column;gap:8px}.modal-card{flex-direction:column}.modal-actions .primary,.modal-actions .secondary{width:100%}}@media(max-width:520px){.app{overflow-x:hidden}.header-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.header-actions>*{min-width:0}.lang-toggle,.login-button,.signup-button,.secondary,.nav-link{justify-content:center;width:100%}.brand-line{max-width:100%}}