:root{--ink:#173649;--muted:#607581;--blue:#17597e;--soft:#f1f7f9;--line:#d5e2e7;--white:#fff;--shadow:0 12px 30px rgba(23,54,73,.08);--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--soft);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;line-height:1.55}button{font:inherit;color:inherit}.container{width:min(calc(100% - 36px),var(--max));margin-inline:auto}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;z-index:100;left:10px;top:8px;padding:8px 12px;background:var(--ink);color:#fff;border-radius:7px;transform:translateY(-150%)}.skip-link:focus{transform:none}
.site-header{position:sticky;z-index:20;top:0;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.header-inner{width:min(calc(100% - 36px),var(--max));height:56px;margin:auto;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:9px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--ink);color:#fff;font-size:12px;font-weight:900}.brand strong,.brand small{display:block;line-height:1.1}.brand strong{font-size:13px}.brand small,.header-note{color:var(--muted);font-size:10px}.header-note{padding:5px 9px;border-radius:999px;background:var(--soft);font-weight:800}
.checker-shell{padding:22px 0 42px}.page-intro{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;margin-bottom:14px}.eyebrow{width:100%;margin:0 0 -10px;color:var(--blue);font-size:10px;font-weight:900;letter-spacing:.13em}.page-intro h1{margin:0;font-size:clamp(26px,3vw,38px);line-height:1.25}.page-intro>p:last-child{margin:0;color:var(--muted);font-size:14px}.checker-card{padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow)}
.mode-switch{display:grid;grid-template-columns:1fr 1fr;gap:6px;max-width:590px;padding:4px;border-radius:13px;background:#eaf1f4}.mode-switch button{min-height:48px;padding:5px 14px;border:0;border-radius:10px;background:transparent;cursor:pointer}.mode-switch strong,.mode-switch small{display:block}.mode-switch strong{font-size:14px}.mode-switch small{color:var(--muted);font-size:10px}.mode-switch button[aria-pressed=true]{background:#fff;color:var(--blue);box-shadow:0 2px 8px rgba(23,54,73,.10)}.mode-summary{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:14px 0 10px;padding-bottom:10px;border-bottom:1px solid var(--line)}.mode-summary span{font-weight:900;font-size:13px}.mode-summary p{display:inline;margin:0 0 0 9px;color:var(--muted);font-size:12px}.reset-button{min-height:40px;padding:0 14px;border:1px solid #b9cdd5;border-radius:999px;background:#fff;cursor:pointer;font-size:12px;font-weight:800}
.selector-layout{display:grid;grid-template-columns:1fr 1fr;gap:12px}.type-fieldset{min-width:0;margin:0;padding:10px;border:1px solid var(--line);border-radius:13px}.type-fieldset legend{padding:0 5px;font-size:12px;font-weight:900}.type-fieldset legend small{margin-left:4px;color:var(--muted);font-size:9px}.type-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:5px}.type-button,.none-button{min-height:40px;border:2px solid transparent;border-radius:9px;background:var(--type-soft);color:var(--type-ink);cursor:pointer;font-size:11px;font-weight:900}.type-button:hover,.none-button:hover{filter:brightness(.97)}.type-button[aria-pressed=true],.none-button[aria-pressed=true]{border-color:currentColor;box-shadow:0 0 0 1px #fff inset}.type-button:disabled{cursor:not-allowed;opacity:.3}.none-button{float:left;width:calc((100% - 25px)/6);margin-right:5px;background:#eef3f5;color:#526671}.attack-selector{margin-top:4px}.attack-type-grid{grid-template-columns:repeat(9,minmax(0,1fr))}.selection-status{margin:10px 0 0;padding:7px 10px;border-radius:8px;background:#eaf5ee;color:#276044;font-size:12px;font-weight:800}
.results{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}.results-heading{display:flex;align-items:baseline;gap:12px;margin-bottom:7px}.results-heading h2{margin:0;font-size:17px}.results-heading p{margin:0;color:var(--muted);font-size:12px;font-weight:800}.result-list{display:grid;gap:4px}.result-row{display:grid;grid-template-columns:170px 1fr;gap:10px;align-items:start;min-height:36px;padding:5px 8px;border-left:4px solid var(--accent);border-radius:6px;background:#f8fafb}.result-label{padding-top:5px;font-size:12px;font-weight:900}.result-types{display:flex;flex-wrap:wrap;gap:4px}.result-type{min-height:30px;padding:3px 9px;border:1px solid transparent;border-radius:999px;background:var(--type-soft);color:var(--type-ink);cursor:pointer;font-size:11px;font-weight:900}.result-type:hover,.result-type:focus-visible{border-color:currentColor}.empty-result{align-self:center;color:#84949d;font-size:11px}.detail-panel{display:flex;justify-content:space-between;gap:16px;margin-top:7px;padding:9px 11px;border:1px solid #b9d4df;border-radius:9px;background:#edf7fb}.detail-copy{font-size:12px}.detail-copy strong{font-size:13px}.detail-copy p{display:inline;margin:0 7px 0 0}.detail-copy .calculation{color:var(--blue);font-weight:900}.detail-panel>button{align-self:start;min-height:32px;padding:0 10px;border:1px solid #b5cad2;border-radius:999px;background:#fff;cursor:pointer;font-size:10px}
.how-it-works{margin-top:12px;border:1px solid var(--line);border-radius:12px;background:#fff}.how-it-works summary{min-height:42px;padding:10px 14px;cursor:pointer;font-size:12px;font-weight:900}.formula-list{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:0 14px 12px}.formula-list span{padding:8px;border-radius:8px;background:var(--soft);color:var(--muted);font-size:10px}.formula-list strong{display:block;color:var(--blue);font-size:12px}.future-note{margin:10px 0 0;color:var(--muted);font-size:11px}.site-footer{padding:20px 0;background:#0e2737;color:#dfe9ee}.site-footer .container{display:flex;justify-content:space-between;gap:30px;align-items:center}.site-footer strong{font-size:12px}.site-footer p{margin:0;color:#a9bbc5;font-size:10px}
button:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid #f2b94b;outline-offset:2px}@media(max-width:900px){.selector-layout{grid-template-columns:1fr}.attack-type-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.formula-list{grid-template-columns:1fr 1fr}}@media(max-width:600px){.container,.header-inner{width:calc(100% - 24px)}.header-inner{height:52px}.header-note{display:none}.checker-shell{padding:14px 0 28px}.page-intro{display:block;margin-bottom:10px}.eyebrow{margin:0 0 3px}.page-intro h1{font-size:25px}.page-intro>p:last-child{margin:5px 0 0;font-size:12px}.checker-card{padding:10px;border-radius:14px}.mode-switch{max-width:none}.mode-switch button{min-height:48px;padding-inline:5px}.mode-switch strong{font-size:12px}.mode-summary{align-items:flex-start;margin:9px 0 7px}.mode-summary p{display:block;margin:1px 0 0;font-size:10px}.reset-button{min-height:40px}.selector-layout{gap:7px}.type-fieldset{padding:7px}.type-grid,.attack-type-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:4px}.type-button,.none-button{min-height:42px;font-size:11px}.none-button{width:calc((100% - 8px)/3);margin-right:4px}.selection-status{margin-top:7px}.results{margin-top:8px;padding-top:8px}.result-row{grid-template-columns:118px 1fr;gap:5px;padding:4px 5px}.result-label{font-size:10px}.result-type{min-height:34px;padding-inline:7px;font-size:10px}.detail-panel{align-items:flex-start}.formula-list{grid-template-columns:1fr 1fr;padding-inline:10px}.site-footer .container{display:block}.site-footer p{margin-top:5px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important}}