.ring-fit-guide{--fit-line:#23040226;width:760px;max-width:calc(100vw - 40px);max-height:calc(100dvh - 48px);margin:auto;padding:0;border:0;background:var(--paper,#efecea);color:var(--ink,#230402);font:16px/1.5 var(--body,sans-serif);overflow:auto;overscroll-behavior:contain;text-align:left}.ring-fit-guide::backdrop{background:#23040280;backdrop-filter:blur(5px)}.ring-fit-guide[open]{display:flex;flex-direction:column}.ring-fit-guide *{box-sizing:border-box}.fit-heading{position:relative;flex:none;padding:32px 38px 0}.fit-heading>p:first-child{font:500 11px/1.5 var(--sans,sans-serif);letter-spacing:.14em;margin:0 0 7px}.fit-heading h2{font:400 53px/1.08 var(--serif,serif);letter-spacing:-.035em;margin:0 0 12px}.fit-heading .fit-intro{font:16px/1.5 var(--body,sans-serif);color:var(--muted);max-width:55ch;margin:0}.ring-fit-guide button{color:inherit;font:inherit;border:0;background:transparent;cursor:pointer}.ring-fit-guide .fit-close{position:absolute;right:20px;top:18px;width:44px;height:44px;font:30px/1 var(--sans,sans-serif);font-weight:300}.fit-methods{display:flex;flex:none;border-bottom:1px solid var(--fit-line);margin:22px 38px 0;gap:27px}.fit-methods button{padding:11px 0 13px;font-size:14px;border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}.fit-methods button[aria-selected=true]{border-bottom-color:var(--ink)}.fit-content{padding:0 38px 24px;overflow-y:auto;min-height:0}.fit-chart[hidden],.fit-measure[hidden]{display:none}.fit-instruction{font-size:14px;color:var(--muted);margin:18px 0 12px}.fit-table-wrap{max-height:280px;overflow:auto;overscroll-behavior:contain;border-top:1px solid var(--fit-line);border-bottom:1px solid var(--fit-line)}.ring-fit-guide table{width:100%;border-collapse:collapse;table-layout:fixed;margin:0;font:16px/1.5 var(--body,sans-serif);font-variant-numeric:tabular-nums}.ring-fit-guide th,.ring-fit-guide td{border-bottom:1px solid var(--fit-line);padding:10px 17px;text-align:left;font-weight:400}.ring-fit-guide thead{position:sticky;top:0;z-index:1;background:var(--paper)}.ring-fit-guide thead th{font-size:13px;color:var(--muted);padding-block:11px}.ring-fit-guide thead small{font-size:12px}.ring-fit-guide tbody th{padding:0 17px}.ring-fit-guide tbody button{display:flex;width:100%;align-items:center;justify-content:space-between;min-height:44px;font-size:17px}.ring-fit-guide tbody button>span{font-size:14px;opacity:.35}.ring-fit-guide tbody tr:last-child>*{border-bottom:0}.ring-fit-guide tr.is-selected{background:var(--ink);color:var(--paper)}.ring-fit-guide tr.is-selected button>span{opacity:1}.fit-result{padding:19px 22px;margin-top:20px;background:#e6dfd9}.fit-result>p:first-child{font:500 10px/1.5 var(--sans,sans-serif);letter-spacing:.17em;margin:0 0 7px}.fit-result #fit-result-sizes{display:flex;align-items:baseline;gap:26px}.fit-result strong{font:400 24px var(--serif,serif)}.fit-result strong>span{font-size:43px;line-height:1}.fit-result b{font-weight:400;font-size:20px}.fit-result #fit-result-note{font-size:13px;line-height:1.5;color:var(--muted);margin:10px 0 0}.fit-result #fit-result-note:empty{display:none}.fit-empty{font-size:16px;color:var(--muted)}.fit-accuracy{font:13px/1.6 var(--body,sans-serif);color:var(--muted);margin:14px 0}.fit-tips{border-top:1px solid var(--fit-line)}.fit-tips summary{display:flex;justify-content:space-between;gap:15px;list-style:none;cursor:pointer;font-size:14px;padding:12px 0 4px}.fit-tips summary::-webkit-details-marker{display:none}.fit-tips[open] summary>span{transform:rotate(45deg)}.fit-tips p{font-size:14px;color:var(--muted);margin:12px 0}.fit-tips .fit-source{font-size:12px}.fit-source a{text-decoration:underline;text-underline-offset:3px}.fit-footer{padding:16px 38px 22px;border-top:1px solid var(--fit-line);display:grid;grid-template-columns:1fr auto;align-items:center;gap:25px;flex:none;background:var(--paper)}.fit-footer p{font:12px/1.5 var(--body,sans-serif);color:var(--muted);margin:0}.ring-fit-guide .fit-footer button{background:var(--ink);color:var(--paper);padding:15px 19px;min-height:50px;font:500 12px/1.5 var(--sans,sans-serif);letter-spacing:.04em}.ring-fit-guide .fit-footer button:disabled{background:#d6ceca;color:#655652;cursor:default}.fit-measure-layout{display:grid;grid-template-columns:155px minmax(0,1fr);gap:25px;padding-top:27px;align-items:start}.fit-diagram{padding-top:20px}.fit-diagram svg{width:100%;height:auto;color:var(--ink);font-family:var(--sans,sans-serif);letter-spacing:1px}.fit-measure h3{font:400 28px/1.15 var(--serif,serif);margin:0 0 12px}.fit-measure ol{margin:0 0 20px;padding-left:19px;font-size:14px;line-height:1.6;color:var(--muted)}.fit-measure li+li{margin-top:8px}.fit-measure label{display:block;font-size:14px;margin-bottom:8px}.fit-input-row{display:flex;gap:8px}.fit-input-row>div{position:relative;flex:1;min-width:0}.fit-input-row>div>span{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--muted)}.fit-input-row input{width:100%;height:48px;background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:0;padding:11px 40px 11px 12px;font:16px var(--body,sans-serif);appearance:textfield;-moz-appearance:textfield}.fit-input-row input::-webkit-inner-spin-button{appearance:none}.fit-input-row input[aria-invalid=true]{border-color:var(--ink);outline:1px solid var(--ink)}.fit-input-row button{border:1px solid var(--ink);font-size:13px;min-height:48px;padding:10px 14px;white-space:nowrap}#fit-measure-help{font-size:12px;color:var(--muted);margin:9px 0}#fit-measure-error{font-size:13px;margin:8px 0;color:var(--ink)}#fit-measure-error:empty{display:none}.fit-sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.ring-fit-guide :focus-visible{outline:2px solid var(--ink);outline-offset:3px}.ring-fit-guide tr.is-selected :focus-visible{outline-color:var(--paper)}.ring-size-labelrow{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:18px}.ring-size-labelrow label{margin:0!important}.ring-size-labelrow [data-ring-guide]{padding:8px 0;font:13px var(--body,sans-serif);text-decoration:underline;text-underline-offset:4px;white-space:nowrap}.ring-size-equivalents{font:12px/1.6 var(--body,sans-serif);color:var(--muted);margin:9px 0 0}.product-page .size-options select{font-size:14px}
@media(max-width:600px){.ring-fit-guide{width:100%;max-width:100%;max-height:calc(100dvh - 18px);margin:auto 0 0}.fit-heading{padding:26px 24px 0}.fit-heading h2{font-size:43px}.fit-heading>p:first-child{font-size:10px;letter-spacing:.11em;padding-right:25px}.fit-heading .fit-intro{font-size:15px;max-width:35ch}.ring-fit-guide .fit-close{top:15px;right:10px}.fit-methods{margin:16px 24px 0;gap:0;justify-content:space-between}.fit-methods button{font-size:12px;letter-spacing:0;padding:12px 0}.fit-content{padding:0 24px 18px}.fit-instruction{font-size:13px;margin:14px 0 10px}.fit-table-wrap{max-height:240px}.ring-fit-guide th,.ring-fit-guide td{padding:9px 10px}.ring-fit-guide tbody th{padding:0 10px}.ring-fit-guide thead th{font-size:12px}.ring-fit-guide thead th:last-child{font-size:11px}.ring-fit-guide thead small{font-size:11px}.fit-result{padding:17px;margin-top:17px}.fit-result #fit-result-sizes{gap:18px}.fit-result strong{font-size:20px}.fit-result strong>span{font-size:36px}.fit-result #fit-result-sizes>span{font-size:13px}.fit-result b{font-size:17px}.fit-footer{padding:14px 24px 20px;grid-template-columns:1fr;gap:10px}.fit-footer p{font-size:11px}.fit-footer button{width:100%}.fit-accuracy{font-size:12px}.fit-measure-layout{grid-template-columns:1fr;gap:14px;padding-top:20px}.fit-diagram{padding:0;max-width:140px;justify-self:center}.fit-measure h3{font-size:28px}.fit-measure ol{font-size:14px}.fit-tips summary{font-size:13px}}
@media(max-width:350px){.fit-heading,.fit-content{padding-inline:18px}.fit-methods{margin-inline:18px}.fit-methods button{font-size:11px}.fit-footer{padding-inline:18px}.fit-input-row button{font-size:12px;padding-inline:10px}.fit-result #fit-result-sizes{gap:13px}.fit-heading .fit-intro{font-size:14px}}
@media(prefers-reduced-motion:reduce){.ring-fit-guide *{scroll-behavior:auto!important;transition:none!important}}

.fit-chart tbody tr{cursor:pointer}.fit-chart tbody tr:not(.is-selected):hover{background:#23040206}