:root{
  --ink:#101820;
  --ink-soft:#24333d;
  --paper:#f4f1e8;
  --paper-2:#fffdf7;
  --maple:#d8b987;
  --maple-deep:#b78e53;
  --blue:#164b78;
  --blue-dark:#0e3558;
  --orange:#c74416;
  --orange-dark:#a93612;
  --orange-light:#f08a5d;
  --moss:#315b4c;
  --muted:#52616b;
  --line:#b9b5aa;
  --white:#fffdf7;
  --shadow:0 18px 45px rgba(16,24,32,.14);
  --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Segoe UI",Arial,sans-serif;font-size:17px;line-height:1.62}
a{color:var(--blue-dark);text-decoration-thickness:1.5px;text-underline-offset:3px}
a:hover{color:var(--orange-dark)}
img,svg{max-width:100%;height:auto}
button,input,select,textarea{font:inherit}
button,a,input,select{outline-offset:3px}
:focus-visible{outline:3px solid #1478b8;outline-offset:3px}
.wrap{width:min(1240px,calc(100% - 40px));margin-inline:auto}
.skip-link{position:fixed;left:12px;top:-80px;z-index:1000;background:var(--white);color:var(--ink);padding:10px 14px;border:2px solid var(--ink)}
.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(244,241,232,.97);border-bottom:1px solid rgba(16,24,32,.2);backdrop-filter:blur(10px)}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{font-weight:900;letter-spacing:-.045em;color:var(--ink);text-decoration:none;font-size:1.1rem}
.brand span{color:var(--orange-dark)}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{color:var(--ink);font-size:.9rem;font-weight:750;text-decoration:none}
.nav-links a:hover{text-decoration:underline}
.menu-toggle{display:none;border:2px solid var(--ink);background:transparent;color:var(--ink);padding:8px 12px;font-weight:800}
.hero{padding:68px 0 54px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(440px,1.08fr);gap:58px;align-items:center}
.hero-copy{padding:22px 0}
.kicker{display:block;color:var(--orange-dark);font-size:.74rem;font-weight:900;letter-spacing:.17em;text-transform:uppercase;margin-bottom:14px}
.dark .kicker,.site-footer .kicker{color:var(--orange-light)}
h1,h2,h3{font-family:"Arial Narrow",Inter,"Segoe UI",Arial,sans-serif;line-height:.98;letter-spacing:-.045em;margin:0 0 20px}
h1{font-size:clamp(3rem,7vw,6.2rem);max-width:14ch;text-transform:uppercase}
h2{font-size:clamp(2.2rem,4.8vw,4.25rem);max-width:15ch}
h3{font-size:1.45rem;line-height:1.1}
p{margin:0 0 18px}.lead{font-size:clamp(1.05rem,2vw,1.35rem);line-height:1.52;color:var(--ink-soft);max-width:68ch}.dark .lead{color:#d7dde1}.muted{color:var(--muted)}.dark .muted,.site-footer .muted{color:#c6cdd2}
.hero-actions,.button-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:28px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:11px 18px;background:var(--orange);border:2px solid var(--ink);color:var(--white);font-weight:850;text-decoration:none;box-shadow:4px 4px 0 var(--ink);cursor:pointer;border-radius:3px}
.button:hover{background:var(--orange-dark);color:var(--white);transform:translate(1px,1px);box-shadow:3px 3px 0 var(--ink)}
.button.secondary{background:var(--paper-2);color:var(--ink)}
.dark .button.secondary,.tool-result .button.secondary,.court-result .button.secondary{background:transparent;color:inherit;border-color:currentColor;box-shadow:none}
.status-pill{display:inline-block;margin-top:28px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:8px 0;font-size:.82rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.court-stage{background:var(--maple);padding:34px;border:2px solid var(--ink);box-shadow:var(--shadow);transform:rotate(1deg)}
.court-sheet{position:relative;aspect-ratio:1.35;background:var(--blue);border:8px solid var(--ink);overflow:hidden}
.court-sheet:before{content:"";position:absolute;inset:9%;border:4px solid var(--white)}
.court-mid{position:absolute;left:9%;right:9%;top:50%;border-top:4px solid var(--white)}
.court-circle{position:absolute;left:50%;top:50%;width:28%;aspect-ratio:1;border:4px solid var(--orange-light);border-radius:50%;transform:translate(-50%,-50%)}
.court-key{position:absolute;left:35%;top:9%;width:30%;height:27%;border:3px solid var(--white);border-top:0}.court-key.bottom{top:auto;bottom:9%;border-top:3px solid var(--white);border-bottom:0}
.coord{position:absolute;z-index:2;background:var(--ink);color:var(--white);font-size:.62rem;padding:4px 7px;letter-spacing:.1em}.coord.a{left:10px;top:10px}.coord.b{right:10px;top:10px}.court-note{position:absolute;right:13%;bottom:13%;color:var(--white);font-size:.68rem;font-weight:800;line-height:1.2;text-align:right}
.trust-strip{background:var(--ink);color:var(--white);border-block:1px solid #34424b}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}.trust-item{padding:22px 18px;border-right:1px solid #3b4850}.trust-item:last-child{border-right:0}.trust-item strong,.trust-item span{display:block}.trust-item strong{font-size:.9rem}.trust-item span{font-size:.8rem;color:#c6cdd2}
.section{padding:82px 0}.section.dark{background:var(--ink);color:var(--white)}.section.paper{background:var(--paper-2)}.intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:start}
.tool-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.tool-index.compact .tool-card{min-height:190px}.tool-card{display:grid;grid-template-columns:54px 1fr 32px;gap:16px;align-items:start;min-height:220px;padding:28px;background:var(--paper-2);border:2px solid var(--ink);color:var(--ink);text-decoration:none;box-shadow:6px 6px 0 rgba(16,24,32,.24)}.dark .tool-card{background:#17242d;border-color:#56636c;color:var(--white);box-shadow:none}.tool-card:hover{border-color:var(--orange);transform:translateY(-2px)}.tool-card .number{font-size:1.8rem;font-weight:900;color:var(--orange-dark)}.dark .tool-card .number{color:var(--orange-light)}.tool-card .arrow{font-size:1.4rem}.tool-card p{color:var(--muted)}.dark .tool-card p{color:#c6cdd2}
.court-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:46px}.court-card{display:flex;flex-direction:column;min-height:330px;padding:30px;background:var(--blue);color:var(--white);border:3px solid var(--ink);text-decoration:none;box-shadow:7px 7px 0 var(--maple-deep)}.court-card:hover{background:var(--blue-dark);color:var(--white);transform:translateY(-2px)}.court-card .kicker{color:#ffb08f}.court-card p{color:#e1e6e9}.court-card dl{margin:auto 0 20px}.court-card dl div{display:flex;justify-content:space-between;gap:14px;border-top:1px solid rgba(255,255,255,.35);padding:8px 0}.court-card dt{font-size:.8rem}.court-card dd{margin:0;font-weight:800;text-align:right}.text-link{font-weight:850;color:var(--white)}
.guide-index{display:grid;gap:0;border-top:2px solid var(--ink)}.guide-link{display:grid;grid-template-columns:54px 1fr 28px;gap:18px;align-items:center;color:var(--ink);text-decoration:none;padding:22px 12px;border-bottom:1px solid var(--line)}.guide-link:hover{background:var(--paper-2)}.guide-link h3{margin:0}.guide-link .idx{color:var(--orange-dark);font-weight:900}
.method-strip{display:grid;grid-template-columns:repeat(4,1fr);margin-top:48px;border:1px solid #53616b}.method-step{padding:26px;border-right:1px solid #53616b}.method-step:last-child{border-right:0}.method-step b{display:block;color:var(--orange-light);font-size:1.6rem;margin-bottom:24px}
.page-hero{padding:62px 0 54px;border-bottom:2px solid var(--ink);background:var(--maple)}.page-hero .kicker{color:#8b2a0d}.page-hero h1{font-size:clamp(2.7rem,6vw,5.7rem);max-width:18ch}.page-hero .lead{max-width:70ch}.breadcrumbs{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:.8rem;margin-bottom:34px;color:var(--ink-soft)}.breadcrumbs a{color:var(--ink);font-weight:750}
.tool-layout,.court-planner{display:grid;grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);border:3px solid var(--ink);background:var(--paper-2);box-shadow:var(--shadow)}.tool-input,.court-input{padding:34px}.tool-result,.court-result{padding:34px;background:var(--blue);color:var(--white);min-width:0}.tool-result .kicker,.court-result .kicker{color:#ffb08f}.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{min-width:0}.field.full,fieldset.field{grid-column:1/-1}.field label,fieldset legend{display:block;font-size:.83rem;font-weight:800;margin-bottom:6px;color:var(--ink-soft)}input,select,textarea{width:100%;min-height:48px;background:var(--white);border:2px solid #5a646b;color:var(--ink);padding:9px 11px;border-radius:2px}input:disabled{background:#ddd8cc;color:#5a646b}input[type=checkbox]{width:20px;min-height:20px;accent-color:var(--blue)}input[type=range]{padding:0;accent-color:var(--blue)}output{font-variant-numeric:tabular-nums;color:var(--orange-dark)}fieldset{border:0;padding:0;margin:0}.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.check{display:flex!important;align-items:center;gap:8px;background:var(--paper);border:1px solid var(--line);padding:9px!important;margin:0!important}.mobile-result-link{display:none;margin-top:22px}.result-main{font-family:"Arial Narrow",Inter,sans-serif;font-size:clamp(2.5rem,6vw,5rem);font-weight:900;line-height:1;margin:12px 0 4px;letter-spacing:-.04em;overflow-wrap:anywhere}.result-main small{font-size:1rem}.result-unit{color:#d7dde1;font-size:.86rem;margin-bottom:24px}.result-list{list-style:none;margin:24px 0;padding:0;border-top:1px solid rgba(255,255,255,.35)}.result-list li{display:flex;justify-content:space-between;gap:18px;border-bottom:1px solid rgba(255,255,255,.25);padding:10px 0}.result-list span{color:#d7dde1}.result-list strong{text-align:right}.result-note{font-size:.87rem;color:#e1e6e9}.result-note a{color:var(--white)}.rule-box,.control-points{margin:20px 0;padding:16px;background:rgba(255,255,255,.1);border-left:4px solid var(--orange-light)}.rule-box ul,.control-points ol{margin:10px 0 0;padding-left:22px}.error-note{font-size:1rem;color:var(--white)}
.product-reference{margin:18px 0;padding:16px;border:1px solid rgba(255,255,255,.45);background:rgba(5,28,47,.28);overflow-wrap:anywhere}.product-reference strong{display:block;margin-bottom:8px}.product-reference p{margin:8px 0;font-size:.86rem;color:#e1e6e9}.product-reference a{color:var(--white);font-weight:850;text-decoration:underline;text-underline-offset:3px}.product-reference[hidden]{display:none}
.schedule-row{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;border-top:1px solid var(--line);padding-top:16px}.schedule-row legend{grid-column:1/-1;color:var(--ink);font-size:1rem}.table-scroll{overflow-x:auto;margin:22px 0}.schedule-table{width:100%;border-collapse:collapse;font-size:.86rem;min-width:480px}.schedule-table th,.schedule-table td{text-align:left;padding:9px;border-bottom:1px solid rgba(255,255,255,.28)}.schedule-table th{color:#d7dde1}.article .schedule-table th,.article .schedule-table td{border-color:var(--line);color:var(--ink)}
.callout{margin-top:30px;background:#fff6d9;border-left:6px solid var(--orange-dark);padding:20px;color:var(--ink)}.callout a{font-weight:800}.mini-plan,.court-svg-wrap{margin:20px 0;background:#0d2b47;border:1px solid rgba(255,255,255,.4);padding:14px}.overlay-svg{display:block;width:100%;height:270px}.overlay-area{fill:#174b78;stroke:#fffdf7;stroke-width:.18}.overlay-court{fill:none;stroke:#ffd166;stroke-width:.14}.overlay-detail{stroke:#ffd166;stroke-width:.09}.overlay-net{stroke:#ff8a5b;stroke-width:.12;stroke-dasharray:.28 .18}.court-svg{display:block;width:100%;height:min(58vh,540px)}.court-surface{fill:#164b78;stroke:#fffdf7;stroke-width:.06}.court-line{stroke:#fffdf7;stroke-width:2.5px;stroke-linecap:square}.court-net{stroke:#f08a5d;stroke-width:2px;stroke-dasharray:6 4}.court-fit{font-family:"Arial Narrow",Inter,sans-serif;font-size:2rem;font-weight:900;text-transform:uppercase}.court-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin:18px 0}.court-facts div{padding:10px;border-top:1px solid rgba(255,255,255,.3)}.court-facts dt{font-size:.75rem;color:#d7dde1}.court-facts dd{margin:3px 0 0;font-weight:800}.source-mini-list{list-style:none;padding:0;margin:0}.source-mini-list li{border-bottom:1px solid var(--line);padding:12px 0}.source-mini-list a{display:block;font-weight:800}.source-mini-list span{display:block;font-size:.76rem;color:var(--muted);margin-top:5px}
.content-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(240px,.8fr);gap:68px}.article{max-width:800px}.article section{margin-bottom:42px}.article h2{font-size:2.1rem;max-width:24ch;margin-top:44px}.article h2:first-child{margin-top:0}.article li{margin-bottom:8px}.sidebar{display:flex;flex-direction:column;gap:10px;align-self:start;position:sticky;top:98px;border-top:4px solid var(--ink);padding-top:18px}.sidebar a{padding:8px 0;border-bottom:1px solid var(--line);font-weight:750;text-decoration:none}.source-list{display:grid;gap:0;border-top:2px solid var(--ink)}.source-item{padding:20px 0;border-bottom:1px solid var(--line)}.source-item a{font-weight:850}.source-item p{margin:6px 0}.source-item small{color:var(--muted)}
.site-footer{background:var(--ink);color:var(--white);padding:58px 0 0}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:36px}.site-footer h2{font-size:2.6rem}.site-footer h3{font-size:1rem;letter-spacing:0;text-transform:uppercase}.site-footer a{display:block;color:#e1e6e9;text-decoration:none;margin:7px 0}.site-footer a:hover{color:var(--orange-light);text-decoration:underline}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #48545c;margin-top:38px;padding:18px 0;color:#c6cdd2;font-size:.76rem}
@media(max-width:980px){.hero-grid{grid-template-columns:1fr}.hero-copy{padding-bottom:0}.court-stage{max-width:700px}.court-card-grid{grid-template-columns:1fr}.method-strip{grid-template-columns:repeat(2,1fr)}.method-step:nth-child(2){border-right:0}.method-step:nth-child(-n+2){border-bottom:1px solid #53616b}.footer-grid{grid-template-columns:repeat(2,1fr)}.content-grid{gap:38px}.tool-layout,.court-planner{grid-template-columns:1fr}}
@media(max-width:760px){body{font-size:16px}.wrap{width:min(100% - 24px,1240px)}.site-header{min-height:64px}.nav{min-height:64px}.menu-toggle{display:block}.nav-links{position:absolute;top:64px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);border-bottom:2px solid var(--ink);padding:8px 12px 18px}.nav-links.open{display:flex}.nav-links a{padding:11px;border-bottom:1px solid var(--line)}.hero{padding:34px 0}.hero-grid{gap:24px}.hero h1{font-size:clamp(2.85rem,15vw,4.5rem)}.court-stage{padding:16px}.trust-grid{grid-template-columns:repeat(2,1fr)}.trust-item:nth-child(2){border-right:0}.trust-item:nth-child(-n+2){border-bottom:1px solid #3b4850}.section{padding:54px 0}.intro-grid,.content-grid{grid-template-columns:1fr;gap:26px}.tool-index{grid-template-columns:1fr}.tool-card{grid-template-columns:44px 1fr 24px;min-height:0;padding:22px}.court-card{min-height:290px}.method-strip{grid-template-columns:1fr}.method-step{border-right:0!important;border-bottom:1px solid #53616b!important}.method-step:last-child{border-bottom:0!important}.page-hero{padding:38px 0 34px}.page-hero h1{font-size:clamp(2.25rem,10vw,3.4rem)}.breadcrumbs{margin-bottom:24px}.tool-input,.court-input,.tool-result,.court-result{padding:22px}.fields{grid-template-columns:1fr}.field.full,fieldset.field{grid-column:auto}.check-grid{grid-template-columns:1fr}.mobile-result-link{display:inline-flex}.tool-result,.court-result{scroll-margin-top:84px}.result-main{font-size:3.4rem}.result-list li{display:grid;grid-template-columns:1fr}.result-list strong{text-align:left}.schedule-row{grid-template-columns:1fr}.schedule-row legend{grid-column:auto}.court-facts{grid-template-columns:1fr}.court-svg{height:460px}.sidebar{position:static}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:grid}.hero-actions,.button-row{align-items:stretch}.button{width:100%}}
@media(max-width:420px){.trust-grid{grid-template-columns:1fr}.trust-item{border-right:0;border-bottom:1px solid #3b4850}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.court-svg{height:400px}.court-card dl div{display:grid}.court-card dd{text-align:left}}
@media(max-width:760px){.page-hero h1{overflow-wrap:anywhere}.responsive-table{min-width:0}.responsive-table thead{display:none}.responsive-table,.responsive-table tbody,.responsive-table tr,.responsive-table td{display:block;width:100%}.responsive-table tr{padding:9px 0;border-bottom:1px solid rgba(255,255,255,.3)}.responsive-table td{display:flex;justify-content:space-between;gap:16px;border:0;padding:4px 0}.responsive-table td:before{content:attr(data-label);color:#d7dde1;font-weight:700}.responsive-table td:last-child{padding-bottom:6px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media print{*{box-shadow:none!important}body{background:#fff;color:#000;font-size:11pt}.site-header,.site-footer,.page-hero,.hero,.trust-strip,.mobile-result-link,[data-print]{display:none!important}.section{padding:12px 0}.section.dark{background:#fff;color:#000}.wrap{width:100%;max-width:none}.tool-layout,.court-planner{display:grid;grid-template-columns:1fr 1.15fr;border:1px solid #000}.tool-input,.court-input,.tool-result,.court-result{padding:14px;background:#fff;color:#000}.tool-result .kicker,.court-result .kicker,.kicker{color:#000}.result-note,.result-unit,.result-list span,.court-facts dt{color:#222}.result-main{font-size:32pt}.result-list,.result-list li,.schedule-table th,.schedule-table td,.court-facts div{border-color:#777}.button-row{display:none}.callout{background:#fff;border:1px solid #000}.court-svg-wrap,.mini-plan{background:#164b78;print-color-adjust:exact;-webkit-print-color-adjust:exact}.content-grid{grid-template-columns:1fr}.sidebar{display:none}.article{max-width:none}a{color:#000;text-decoration:none}.tool-layout,.court-planner,.tool-result,.court-result,.court-svg-wrap,.table-scroll{break-inside:avoid}}