.stcheck{--ink:var(--foreground);--muted:var(--muted-foreground);--accent:var(--foreground);--line:var(--border);color:var(--ink);box-sizing:border-box;max-width:1100px;margin:0 auto;padding:32px 28px 48px;font-family:system-ui,-apple-system,Segoe UI,Noto Sans JP,sans-serif;line-height:1.8}.stcheck *{box-sizing:border-box}.stcheck .sttop{letter-spacing:.06em;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:30px;font-size:13px;font-weight:700;display:flex}.stcheck .sttag{color:#135b64;background:#dcebec;border-radius:20px;padding:4px 12px}.stcheck h3{letter-spacing:.01em;max-width:790px;margin:6px 0 12px;font-size:clamp(25px,3.5vw,38px);line-height:1.45}.stcheck p{margin:10px 0}.stcheck .stlead{max-width:780px;color:var(--muted);font-size:16px}.stcheck .stkicker{letter-spacing:.1em;color:var(--accent);font-size:13px;font-weight:700}.stcheck .stnotice{border-left:4px solid var(--accent);background:var(--surface-soft);margin:22px 0 30px;padding:13px 18px;font-size:14px}.stcheck .stgrid{grid-template-columns:minmax(0,1.35fr) minmax(0,.9fr);align-items:start;gap:24px;display:grid}.stcheck .stcard{background:var(--surface-soft);border:1px solid var(--line);border-radius:16px;min-width:0;padding:24px}.stcheck h4{margin:0 0 18px;font-size:21px;line-height:1.55}.stcheck h5{margin:0 0 10px;font-size:17px;line-height:1.5}.stcheck .stq{margin-bottom:20px}.stcheck label{margin-bottom:8px;font-size:15px;font-weight:700;display:block}.stcheck .stnum{color:var(--accent);margin-right:9px;font-size:12px;display:inline-block}.stcheck select{width:100%;min-width:0;max-width:100%;font:inherit;background:var(--background);min-height:49px;color:var(--ink);border:1px solid #aebec6;border-radius:8px;padding:10px 30px 10px 10px;font-size:14px}.stcheck :is(button,select,a):focus-visible{outline-offset:3px;outline:3px solid #ed9c3b}.stcheck .stactions{flex-wrap:wrap;gap:12px;display:flex}.stcheck button{font:inherit;border:1px solid var(--accent);background:var(--accent);color:var(--background);cursor:pointer;border-radius:8px;min-height:48px;padding:12px 20px;font-size:15px;font-weight:700}.stcheck button[type=reset]{background:var(--surface-soft);color:var(--accent)}.stcheck .ststatus{color:var(--muted);min-height:24px;margin-top:14px;font-size:13px}.stcheck .sterror{color:#813125;background:#fff0e9;border:1px solid #dcab95;border-radius:8px;padding:12px;font-size:14px}.stcheck .stproduct{border-bottom:1px solid var(--line);margin-bottom:21px;padding-bottom:19px}.stcheck .stproduct:last-of-type{border-bottom:0;margin-bottom:0;padding-bottom:0}.stcheck .stproduct p{font-size:14px}.stcheck .stmetric{letter-spacing:.01em;font-size:23px;font-weight:750}.stcheck .stmetric span{color:var(--muted);margin-left:7px;font-size:12px;font-weight:500}.stcheck .stsubtle{color:var(--muted);font-size:13px}.stcheck .stbelow{margin-top:23px;font-size:14px}.stcheck .stbelow strong{color:var(--accent)}.stcheck #st-result{background:var(--surface-accent);border:1px solid #94beb2;border-radius:16px;margin-top:25px;padding:24px}.stcheck #st-result[data-status=outside],.stcheck #st-result[data-status=hold]{background:var(--surface-note);border-color:#d5b883}.stcheck #st-result:focus{outline:2px solid var(--accent);outline-offset:3px}.stcheck .stbadge{color:var(--accent);margin:0 0 6px;font-size:12px;font-weight:700}.stcheck .stcandidates{font-weight:700}.stcheck ul{padding-left:22px}.stcheck li{margin:7px 0}.stcheck .stnote{color:var(--muted);border-top:1px solid var(--line);padding-top:12px;font-size:13px}.stcheck .stsources{color:var(--muted);margin-top:28px;font-size:13px}.stcheck .stsources a{color:var(--accent);overflow-wrap:anywhere;margin:3px 12px 3px 0;display:inline-block}.stcheck .stfooter{color:var(--muted);margin-top:18px;font-size:12px}.stcheck [hidden]{display:none!important}@media (width<=720px){.stcheck{padding:20px 16px 36px}.stcheck .stgrid{grid-template-columns:minmax(0,1fr)}.stcheck .stcard{padding:20px 17px}.stcheck .sttop{margin-bottom:24px}.stcheck h3{font-size:28px}.stcheck .stnotice{margin-bottom:22px}.stcheck select{font-size:14px}.stcheck #st-result{padding:20px 17px}.stcheck .stactions button{flex:145px}.stcheck .stlead{font-size:15px}}@media (prefers-reduced-motion:reduce){.stcheck *{scroll-behavior:auto}}