:root{color-scheme:light;--bg: #f3f6f7;--surface: #ffffff;--surface-2: #e9f0f2;--surface-3: #dce7ea;--text: #0f2229;--muted: #566a72;--line: #d5e0e3;--brand: #0b3d52;--brand-2: #0f6e8c;--accent: #d6334a;--accent-soft: #fde8eb;--ok: #18865f;--warn: #b26a00;--warn-soft: #fff4e0;--info-soft: #e3f3f9;--focus: #1588b0;--hero-from: #0b3d52;--hero-to: #0f6e8c;--on-hero: #ffffff;--tone-net: #18865f;--tone-css: #0f6e8c;--tone-edu: #6f8fb0;--tone-isr: #d6334a;--tone-a: #0f6e8c;--tone-b: #18865f;--tone-c: #c4831a;--tone-d: #d6334a;--shadow-sm: 0 1px 2px rgba(15, 34, 41, .06), 0 4px 14px rgba(15, 34, 41, .05);--shadow: 0 18px 50px rgba(11, 61, 82, .12);--radius: 20px;--radius-sm: 12px;--max: 1160px;--header-h: 64px;--tabbar-h: 64px;--font: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", Ubuntu, sans-serif}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg: #0b1a20;--surface: #11252c;--surface-2: #173139;--surface-3: #1f3d46;--text: #e9f4f6;--muted: #9db3ba;--line: #26434c;--brand: #cfeefa;--brand-2: #5cc2e4;--accent: #ff7a8c;--accent-soft: #3a1e25;--ok: #4cd29c;--warn: #f2b44f;--warn-soft: #33290f;--info-soft: #12313b;--focus: #5cc2e4;--hero-from: #0f3b4c;--hero-to: #125a72;--tone-net: #3cc48d;--tone-css: #45a9cf;--tone-edu: #8ea9c6;--tone-isr: #ff7a8c;--tone-a: #45a9cf;--tone-b: #3cc48d;--tone-c: #e5a542;--tone-d: #ff7a8c;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow: 0 18px 50px rgba(0, 0, 0, .35)}}:root[data-theme=dark]{color-scheme:dark;--bg: #0b1a20;--surface: #11252c;--surface-2: #173139;--surface-3: #1f3d46;--text: #e9f4f6;--muted: #9db3ba;--line: #26434c;--brand: #cfeefa;--brand-2: #5cc2e4;--accent: #ff7a8c;--accent-soft: #3a1e25;--ok: #4cd29c;--warn: #f2b44f;--warn-soft: #33290f;--info-soft: #12313b;--focus: #5cc2e4;--hero-from: #0f3b4c;--hero-to: #125a72;--tone-net: #3cc48d;--tone-css: #45a9cf;--tone-edu: #8ea9c6;--tone-isr: #ff7a8c;--tone-a: #45a9cf;--tone-b: #3cc48d;--tone-c: #e5a542;--tone-d: #ff7a8c;--shadow-sm: 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a{font-weight:700;text-decoration:none}.source-list span{font-size:.9rem}.related{padding:8px 0 40px}.related h2{font-size:1.35rem}.related-grid{display:grid;gap:10px}@media(min-width:760px){.related-grid{grid-template-columns:repeat(3,1fr)}}.related-card{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:16px;background:var(--surface);border:1px solid var(--line);text-decoration:none}.related-card strong{display:block}.related-card small{color:var(--muted);display:block;line-height:1.4;margin-top:2px}.related-icon{width:40px;height:40px;border-radius:12px;flex:none}.notice{border:1px solid color-mix(in srgb,var(--brand-2) 35%,var(--line));background:var(--info-soft);padding:16px 18px;border-radius:14px;color:var(--text)}.ad-slot{margin:22px 0;min-height:120px}.ad-label{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:6px}.site-footer{border-top:1px solid var(--line);padding:36px 0 28px;margin-top:24px;background:var(--surface)}.footer-grid{display:grid;gap:24px}@media(min-width:760px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}.footer-grid h2{font-size:.95rem;margin-bottom:8px}.footer-grid a:not(.brand){display:block;color:var(--muted);text-decoration:none;padding:6px 0}.footer-grid a:not(.brand):hover{color:var(--text)}.footer-grid p{margin-top:12px}.footer-bottom{border-top:1px solid var(--line);margin:24px 0 0;padding-top:18px;color:var(--muted);font-size:.84rem}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}@media print{.site-header,.tabbar,.site-footer,.ad-slot,.result-actions,form,.related{display:none!important}body{padding:0;background:#fff;color:#000}.calculator-shell{display:block}}