/* mycnboxspreadsheet.com · prefix shto- · fonts: Overpass (headings) + Atkinson Hyperlegible (text) */
@font-face{font-family:"Overpass";font-style:normal;font-weight:500 800;font-display:swap;src:url("/assets/fonts/overpass-var-latin.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Atkinson Hyperlegible";font-style:normal;font-weight:400;font-display:swap;src:url("/assets/fonts/atkinson-hyperlegible-400-latin.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Atkinson Hyperlegible";font-style:normal;font-weight:700;font-display:swap;src:url("/assets/fonts/atkinson-hyperlegible-700-latin.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Atkinson Hyperlegible";font-style:italic;font-weight:400;font-display:swap;src:url("/assets/fonts/atkinson-hyperlegible-400i-latin.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --shto-paper:#FAF8F4;--shto-card:#FFFFFF;--shto-ink:#1B1712;--shto-ink2:#4A433A;--shto-line:#E3DDD2;
  --shto-orange:#FF5501;--shto-act:#C83C00;--shto-act2:#A33100;--shto-act-ink:#FFFFFF;
  --shto-slate:#23405A;--shto-slate-bg:#E8EEF3;
  --shto-ok:#1F6B3A;--shto-ok-bg:#E6F2EA;--shto-no:#A3201A;--shto-no-bg:#FBE7E5;--shto-eye:#7A4B00;--shto-eye-bg:#FFF1D6;
  --shto-head:"Overpass",ui-sans-serif,system-ui,sans-serif;
  --shto-text:"Atkinson Hyperlegible",ui-sans-serif,system-ui,sans-serif;
  --shto-mono:ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --shto-r:6px;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{
    --shto-paper:#14110D;--shto-card:#1D1914;--shto-ink:#F2EDE5;--shto-ink2:#C9C0B3;--shto-line:#3A332A;
    --shto-act:#FF9A5C;--shto-act2:#FFB98F;--shto-act-ink:#140C06;
    --shto-slate:#9FBAD3;--shto-slate-bg:#1F2A35;
    --shto-ok:#8FD3A6;--shto-ok-bg:#16291D;--shto-no:#F2A49C;--shto-no-bg:#331816;--shto-eye:#F0C978;--shto-eye-bg:#30250F;
  }
  .brandmark .shto-logo--light{display:none!important}
  .brandmark .shto-logo--dark{display:inline-block!important}
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--shto-paper);color:var(--shto-ink);font:400 17px/1.62 var(--shto-text)}
img{max-width:100%;height:auto;display:block}
a{color:var(--shto-act);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--shto-act2)}
:focus-visible{outline:2px solid var(--shto-act);outline-offset:2px}
h1,h2,h3{font-family:var(--shto-head);line-height:1.18;color:var(--shto-ink);margin:0 0 .5em}
h1{font-size:clamp(1.85rem,1.2rem + 2.4vw,2.9rem);font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(1.4rem,1.1rem + 1vw,1.85rem);font-weight:750;margin-top:0}
h3{font-size:1.14rem;font-weight:700}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.25em}
li{margin:.25em 0}
code,.shto-id{font-family:var(--shto-mono);font-size:.86em}
.shto-skip{position:absolute;left:-999px;top:0;background:var(--shto-act);color:var(--shto-act-ink);padding:12px 16px;z-index:50}
.shto-skip:focus{left:8px;top:8px}

/* header */
.shto-top{background:var(--shto-card);border-bottom:3px solid var(--shto-orange)}
.shto-top__in{max-width:1180px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:18px;min-height:64px}
.brandmark{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--shto-ink);flex:0 0 auto;min-height:44px}
.brandmark img{width:118px;height:auto}
.shto-logo--dark{display:none!important}
.shto-brand__name{font:700 .8rem/1.15 var(--shto-head);letter-spacing:.02em;color:var(--shto-slate);max-width:110px}
.shto-nav{margin-left:auto}
.shto-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:2px;flex-wrap:nowrap}
.shto-nav a{display:flex;align-items:center;min-height:44px;min-width:44px;padding:0 9px;color:var(--shto-ink);text-decoration:none;font:600 .92rem/1.1 var(--shto-head);white-space:nowrap;border-bottom:2px solid transparent}
.shto-nav a:hover{color:var(--shto-act)}
.shto-nav a[aria-current="page"]{border-bottom-color:var(--shto-act);color:var(--shto-act)}
.shto-menu{display:none;margin-left:auto;min-height:44px;min-width:44px;padding:0 14px;border:1px solid var(--shto-line);background:var(--shto-card);color:var(--shto-ink);font:700 .9rem var(--shto-head);border-radius:var(--shto-r);cursor:pointer}
@media (max-width:1139px){
  .shto-top__in{flex-wrap:wrap}
  .js .shto-menu{display:block}
  .shto-nav{width:100%;margin:0}
  .shto-nav ul{flex-wrap:wrap}
  .js .shto-nav{display:none}
  .js .shto-nav.is-open{display:block}
  .js .shto-nav ul{flex-direction:column}
}

/* hero */
.shto-hero{max-width:1180px;margin:0 auto;padding:44px 20px 18px}
.shto-hero h1{max-width:860px}
.shto-lede{font-size:1.12rem;color:var(--shto-ink2);max-width:760px;margin-bottom:20px}
.shto-search{display:flex;gap:8px;max-width:820px;background:var(--shto-card);border:2px solid var(--shto-slate);border-radius:10px;padding:8px}
.shto-search label{position:absolute;left:-999px}
.shto-search input{flex:1 1 auto;min-width:0;min-height:52px;border:0;background:transparent;color:var(--shto-ink);font:400 1.08rem var(--shto-text);padding:0 12px}
.shto-search input:focus{outline:none}
.shto-search:focus-within{outline:2px solid var(--shto-act);outline-offset:2px}
.shto-search button{flex:0 0 auto;min-height:52px;padding:0 22px;border:0;border-radius:7px;background:var(--shto-act);color:var(--shto-act-ink);font:700 1rem var(--shto-head);cursor:pointer}
.shto-search button:hover{background:var(--shto-act2)}
.shto-strip{max-width:1180px;margin:0 auto;padding:6px 20px 26px;display:flex;flex-wrap:wrap;gap:4px 18px;font-size:.95rem}
.shto-strip a{display:inline-flex;align-items:center;min-height:44px}
.shto-strip span{color:var(--shto-ink2);display:inline-flex;align-items:center}

/* sections */
.shto-band{max-width:1180px;margin:0 auto;padding:34px 20px}
.shto-band--line{border-top:1px solid var(--shto-line)}
.shto-band__head{max-width:760px;margin-bottom:18px}
.shto-band__head p{color:var(--shto-ink2)}

/* shelf wall */
.shto-wall{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,270px));gap:22px 24px;justify-content:start}
.shto-wall li{margin:0}
.shto-shelf{display:block;text-decoration:none;color:var(--shto-ink);background:var(--shto-card);border:1px solid var(--shto-line);border-radius:var(--shto-r);overflow:hidden;height:100%}
.shto-shelf:hover{border-color:var(--shto-act)}
.shto-shelf img{width:100%;max-width:270px;aspect-ratio:1/1;object-fit:cover;height:auto}
.shto-shelf__t{display:flex;justify-content:space-between;gap:8px;align-items:baseline;padding:10px 12px 2px;font:700 1.02rem var(--shto-head)}
.shto-shelf__b{font:600 .72rem var(--shto-mono);color:var(--shto-slate);text-transform:uppercase;letter-spacing:.04em}
.shto-shelf__n{display:block;padding:2px 12px 12px;font-size:.9rem;color:var(--shto-ink2);line-height:1.45}
@media (max-width:1000px){.shto-wall{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:700px){.shto-wall{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.shto-shelf__t{flex-direction:column;gap:2px}}

/* home pairs (420 figure) */
.shto-duo{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:36px;align-items:stretch}
.shto-duo--rev{grid-template-columns:420px minmax(0,1fr)}
.shto-duo--rev > figure{order:-1}
@media (max-width:900px){.shto-duo,.shto-duo--rev{grid-template-columns:minmax(0,1fr)}.shto-duo--rev > figure{order:0}}

/* home rule ledger (signature) */
.shto-ledger{list-style:none;margin:0;padding:0;border:1px solid var(--shto-line);border-radius:var(--shto-r);background:var(--shto-card)}
.shto-ledger li{display:grid;grid-template-columns:56px minmax(0,1fr) 120px;gap:14px;align-items:start;padding:14px 16px;margin:0;border-top:1px dashed var(--shto-line)}
.shto-ledger li:first-child{border-top:0}
.shto-ledger__k{font:800 1.3rem var(--shto-head);color:var(--shto-orange)}
.shto-ledger__r strong{font-family:var(--shto-head)}
.shto-ledger__s{font:600 .8rem var(--shto-mono);color:var(--shto-slate);text-align:right}
@media (max-width:700px){.shto-ledger li{grid-template-columns:40px 1fr}.shto-ledger__s{grid-column:2;text-align:left}}

/* guide index */
.shto-index{list-style:none;margin:0;padding:0;columns:2 340px;column-gap:40px}
.shto-index li{break-inside:avoid;margin:0 0 14px;padding-left:14px;border-left:3px solid var(--shto-slate)}
.shto-index a{font:700 1.04rem var(--shto-head);display:inline-flex;min-height:44px;align-items:center}
.shto-index span{display:block;color:var(--shto-ink2);font-size:.95rem}

/* sub-page shell */
.shto-crumbs{max-width:1040px;margin:0 auto;padding:16px 20px 0;font-size:.9rem;color:var(--shto-ink2)}
.shto-crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.shto-crumbs li{margin:0}
.shto-crumbs li+li::before{content:"/";margin-right:6px;color:var(--shto-line)}
.shto-crumbs a{display:inline-flex;align-items:center;min-height:44px;min-width:44px}
.shto-page{max-width:1040px;margin:0 auto;padding:6px 20px 40px;display:grid;grid-template-columns:250px minmax(0,700px);gap:56px;align-items:start}
.shto-aside{position:sticky;top:14px;font-size:.9rem}
.shto-aside__t{font:700 .78rem var(--shto-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--shto-slate);margin:0 0 6px}
.shto-aside ol{list-style:none;margin:0 0 18px;padding:0;border-left:2px solid var(--shto-line)}
.shto-aside li{margin:0}
.shto-aside a{display:flex;align-items:center;min-height:44px;padding:4px 0 4px 12px;color:var(--shto-ink);text-decoration:none;line-height:1.3}
.shto-aside a:hover{color:var(--shto-act)}
.shto-aside details summary{min-height:44px;display:flex;align-items:center;cursor:pointer;font:700 .95rem var(--shto-head)}
.shto-main{min-width:0}
@media (max-width:1099px){.shto-page{grid-template-columns:minmax(0,1fr);gap:8px;max-width:760px}.shto-aside{position:static}.shto-aside__t,.shto-aside__tool{display:none}}

/* address slip (signature) */
.shto-slip{border:2px solid var(--shto-ink);border-radius:var(--shto-r);background:var(--shto-card);margin:0 0 30px;overflow:hidden}
.shto-slip__bar{display:flex;justify-content:space-between;gap:10px;background:var(--shto-ink);color:var(--shto-paper);padding:6px 14px;font:700 .74rem var(--shto-mono);letter-spacing:.08em;text-transform:uppercase}
.shto-slip__body{padding:18px 18px 8px}
.shto-slip h1{margin-bottom:.35em}
.shto-slip__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px dashed var(--shto-line)}
.shto-slip__grid div{padding:9px 14px;border-right:1px dashed var(--shto-line)}
.shto-slip__grid div:nth-child(2n){border-right:0}
.shto-slip__grid dt{font:700 .7rem var(--shto-mono);text-transform:uppercase;letter-spacing:.07em;color:var(--shto-slate)}
.shto-slip__grid dd{margin:2px 0 0;font-size:.92rem}
@media (max-width:600px){.shto-slip__grid{grid-template-columns:1fr}.shto-slip__grid div{border-right:0}}

/* content sections */
.shto-sec{margin:0 0 44px;scroll-margin-top:16px}
.shto-sec > h2{padding-top:10px;border-top:3px solid var(--shto-slate);display:inline-block}
.shto-pair{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:stretch;margin:0 0 1.2em}
.shto-pair--rev{grid-template-columns:300px minmax(0,1fr)}
.shto-pair--rev > figure{order:-1}
.shto-pair > div > :last-child{margin-bottom:0}
@media (max-width:760px){.shto-pair,.shto-pair--rev{grid-template-columns:minmax(0,1fr)}.shto-pair--rev > figure{order:0}}
.shto-fig{margin:0 0 1.2em;display:flex;flex-direction:column;justify-content:center;gap:8px;background:var(--shto-card);border:1px solid var(--shto-line);border-radius:var(--shto-r);padding:0;overflow:hidden}
.shto-fig img{width:100%;height:auto;margin:0 auto}
.shto-fig--s img{max-width:300px}
.shto-fig--w img{max-width:700px}
.shto-fig--h img{max-width:420px}
.shto-fig figcaption{font-size:.86rem;line-height:1.45;color:var(--shto-ink2);padding:0 12px 10px}
.shto-pair .shto-fig,.shto-duo .shto-fig{margin:0}
.shto-zoom{display:inline-flex;align-items:center;min-height:44px;font-weight:700}
.shto-quote{margin:0 0 1em;padding:12px 16px;border-left:4px solid var(--shto-orange);background:var(--shto-card)}
.shto-quote p{margin:0 0 .4em}
.shto-quote cite{font:600 .8rem var(--shto-mono);color:var(--shto-slate);font-style:normal}
.shto-note{padding:12px 16px;background:var(--shto-slate-bg);border-radius:var(--shto-r);margin:0 0 1em}
.shto-tbl{width:100%;border-collapse:collapse;margin:0 0 1.2em;font-size:.94rem;background:var(--shto-card)}
.shto-tbl caption{text-align:left;font:700 .95rem var(--shto-head);padding:0 0 6px}
.shto-tbl th,.shto-tbl td{border:1px solid var(--shto-line);padding:7px 9px;text-align:left;vertical-align:top}
.shto-tbl th{background:var(--shto-slate-bg);font-family:var(--shto-head)}
.shto-scroll{overflow-x:auto;margin:0 0 1.2em}
.shto-scroll .shto-tbl{margin:0;min-width:520px}
.shto-chip{display:inline-block;font:700 .72rem var(--shto-mono);padding:2px 7px;border-radius:4px;text-transform:uppercase;letter-spacing:.04em}
.shto-chip--ok{background:var(--shto-ok-bg);color:var(--shto-ok)}
.shto-chip--no{background:var(--shto-no-bg);color:var(--shto-no)}
.shto-chip--eye{background:var(--shto-eye-bg);color:var(--shto-eye)}

/* checkpoint rail (first-order page) */
.shto-rail{list-style:none;margin:0 0 1.2em;padding:0 0 0 26px;border-left:3px solid var(--shto-line)}
.shto-rail li{position:relative;margin:0 0 12px}
.shto-rail li::before{content:"";position:absolute;left:-34px;top:.35em;width:13px;height:13px;border-radius:50%;background:var(--shto-card);border:3px solid var(--shto-slate)}
.shto-rail li.is-addr::before{border-color:var(--shto-orange);background:var(--shto-orange)}

/* faq */
.shto-faq details{border-top:1px solid var(--shto-line);padding:2px 0}
.shto-faq summary{min-height:44px;display:flex;align-items:center;cursor:pointer;font:700 1.02rem var(--shto-head);padding:6px 0}
.shto-faq details > div{padding:0 0 10px}

/* tool */
.shto-tool{background:var(--shto-card);border:2px solid var(--shto-slate);border-radius:10px;padding:18px;margin:0 0 30px}
.shto-q{border:0;margin:0 0 14px;padding:0 0 12px;border-bottom:1px dashed var(--shto-line)}
.shto-q legend{font:700 1rem var(--shto-head);padding:0;margin-bottom:6px}
.shto-q legend span{font:700 .8rem var(--shto-mono);color:var(--shto-slate);margin-right:6px}
.shto-opts{display:flex;flex-wrap:wrap;gap:6px 8px}
.shto-opts label{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 12px;border:1px solid var(--shto-line);border-radius:7px;cursor:pointer;background:var(--shto-paper)}
.shto-opts input{width:18px;height:18px;accent-color:var(--shto-act)}
.shto-opts label:has(input:checked){border-color:var(--shto-act);box-shadow:inset 0 0 0 1px var(--shto-act)}
.shto-err{display:block;margin-top:6px;color:var(--shto-no);font-weight:700;font-size:.92rem}
.shto-err:empty{display:none}
.shto-q.is-bad legend{color:var(--shto-no)}
.shto-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.shto-actions button{min-height:46px;padding:0 20px;border-radius:7px;font:700 1rem var(--shto-head);cursor:pointer}
.shto-go{background:var(--shto-act);color:var(--shto-act-ink);border:0}
.shto-go:hover{background:var(--shto-act2)}
.shto-reset{background:transparent;color:var(--shto-ink);border:1px solid var(--shto-ink2)}
.shto-out{margin-top:18px}
.shto-out__idle{color:var(--shto-ink2);margin:0}
.shto-verdict{font:800 1.2rem var(--shto-head);margin:0 0 10px}
.shto-band-r{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.shto-cell{margin:0;border-radius:7px;padding:10px 12px;border-left:6px solid}
.shto-cell--ok{background:var(--shto-ok-bg);border-color:var(--shto-ok)}
.shto-cell--no{background:var(--shto-no-bg);border-color:var(--shto-no)}
.shto-cell--eye{background:var(--shto-eye-bg);border-color:var(--shto-eye)}
.shto-cell h3{font-size:1rem;margin:0 0 4px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.shto-cell p{margin:0 0 4px;font-size:.95rem}
.shto-cell q{font-style:italic}
.shto-cell a{font-size:.88rem}

/* footer */
.shto-foot{background:var(--shto-ink);color:#EDE6DB;margin-top:30px}
.shto-foot a{color:#FFB48A}
.shto-foot__in{max-width:1180px;margin:0 auto;padding:32px 20px 24px;display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:30px}
.shto-foot p{font-size:.92rem}
.shto-foot__t{font:700 .78rem var(--shto-mono);text-transform:uppercase;letter-spacing:.07em;color:#C8D7E6;margin:0 0 6px}
.shto-foot ul{list-style:none;margin:0;padding:0}
.shto-foot li{margin:0}
.shto-foot li a{display:inline-flex;align-items:center;min-height:44px;min-width:44px}
.shto-foot__name{font:800 1.05rem var(--shto-head);color:#fff;margin:0 0 6px}
.shto-foot__base{max-width:1180px;margin:0 auto;padding:0 20px 26px;font-size:.84rem;color:#CFC6B8}
@media (max-width:800px){.shto-foot__in{grid-template-columns:1fr}}

@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
@media print{.shto-top,.shto-foot,.shto-aside{display:none}}

.shto-main .shto-wall{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:700px){.shto-main .shto-wall{grid-template-columns:repeat(2,minmax(0,1fr))}}
.shto-brand__name{max-width:150px}
.shto-links a{display:inline-flex;align-items:center;min-height:44px;min-width:44px}