@import url('/fonts.css');
:root{--ink:#18384d;--soft:#476071;--line:#dbe5ec;--read:'Apple SD Gothic Neo','Malgun Gothic',system-ui,sans-serif;--display:'Cherry Bomb One','Jua',system-ui,sans-serif}
*{box-sizing:border-box}html{scroll-padding-top:100px}body{margin:0;background:#fffcf8;color:var(--ink);font:16px/1.95 var(--read)}a{color:#57427e;text-underline-offset:4px}button,input,select{font:inherit}img{max-width:100%;height:auto}h1,h2,h3{font-family:var(--display);line-height:1.4;font-weight:400;word-break:keep-all;overflow-wrap:anywhere}h1{font-size:clamp(32px,5vw,48px);margin:14px 0 20px}h2{font-size:29px;margin:0 0 22px}h3{font-size:22px;margin:24px 0 12px}p{margin:0 0 20px}li+li{margin-top:10px}:focus-visible{outline:3px solid #8963b5;outline-offset:4px}.skip-link{position:fixed;top:-100px;left:16px;z-index:20;background:#fff;padding:10px}.skip-link:focus{top:10px}
.learn-header{position:sticky;top:0;z-index:10;background:#fffcf8f5;border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.learn-header__inner{max-width:1200px;margin:auto;min-height:78px;display:flex;align-items:center;gap:24px;padding:12px 24px}.brand{display:flex;align-items:center;gap:8px;flex-shrink:0;text-decoration:none}.learn-header nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:12px 22px;margin-left:auto;font-size:13px;font-weight:700}.learn-header nav a{color:var(--ink);text-decoration:none}.learn-header #langBar select{padding:8px;border:1px solid var(--line);border-radius:12px;background:white;color:var(--ink);width:116px;font-size:13px}
.learn-main{max-width:968px;padding:0 24px;margin:auto}.learn-hero{padding:56px 0 34px}.eyebrow{font-size:12px;letter-spacing:.12em;font-weight:700;color:#74608c}.learn-lead{font-size:18px;color:var(--soft)}.publication{font-size:12px;color:var(--soft)}.learn-toc{display:flex;flex-wrap:wrap;gap:10px 24px;padding:20px 24px;background:#edf6fb;border:1px solid var(--line);border-radius:18px;font-size:14px}.learn-section{padding:40px 0;border-bottom:1px solid var(--line);scroll-margin-top:100px}.learn-section>p{max-width:860px}.learning-note{padding:22px 24px;border-left:3px solid #b595dc;background:#f3edfa;border-radius:0 18px 18px 0}.example-cups{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0}.example-cups>div{padding:20px;border:1px solid var(--line);border-radius:18px;background:#fff}.example-cups strong{display:block;margin-bottom:10px}.dice-line{font-family:var(--display);font-size:27px;letter-spacing:.12em;color:#68518c}.table-scroll{overflow-x:auto;margin:24px 0}table{border-collapse:collapse;width:100%;font-size:14px;text-align:left}caption{text-align:left;font-weight:700;margin-bottom:12px}th,td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}thead{background:#e6f4fb}tbody th{min-width:110px}.turn-list{padding:0;list-style:none;counter-reset:turn}.turn-list>li{counter-increment:turn;position:relative;padding:22px 24px 22px 72px;border:1px solid var(--line);border-radius:20px;background:#fff;margin:18px 0}.turn-list>li:before{content:counter(turn);position:absolute;left:22px;top:24px;background:#e9def9;border-radius:12px;width:32px;line-height:32px;text-align:center;font-weight:800}.turn-list h3{margin:0 0 12px}.turn-list p:last-child{margin-bottom:0}
.learning-tool{padding:26px;border:1px solid #cbdce9;border-radius:24px;background:linear-gradient(120deg,#eaf7ff,#f5edfc)}[hidden]{display:none!important}.tool-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:20px 0}.tool-controls label,.die-input{display:grid;gap:6px;font-size:14px;font-weight:600}.learning-tool select,.learning-tool input{min-width:0;width:100%;min-height:46px;border:1px solid #9eafbf;border-radius:10px;background:#fff;padding:8px;color:var(--ink)}.learning-tool fieldset{border:0;margin:20px 0;padding:0;min-width:0}.learning-tool legend{font-weight:700;margin-bottom:12px}.hand-inputs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.die-input{text-align:center}.die-input select{font-size:23px}.tool-presets{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}.tool-presets button{padding:10px 14px;min-height:44px;border:1px solid #a898bf;border-radius:12px;background:#fff;color:#57427e;cursor:pointer;font-size:13px}.tool-result{padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px;min-height:120px}.tool-result strong{display:block;font-size:24px;line-height:1.6}.tool-result p{font-size:14px;margin:10px 0 0}.tool-result .valid{color:#156154}.tool-result .invalid{color:#993e54}.odds-bars{display:grid;gap:7px;margin-top:20px}.odds-row{display:grid;grid-template-columns:90px minmax(0,1fr) 75px;gap:12px;font-size:12px;align-items:center}.odds-track{height:10px;background:#e5eaf0;border-radius:6px;overflow:hidden}.odds-bar{height:100%;background:#7aafd2;border-radius:6px}.odds-row.is-enough .odds-bar{background:#8e73b5}.related-links{display:flex;flex-wrap:wrap;gap:14px 24px;margin-top:24px}.learning-footer{max-width:968px;margin:36px auto 0;padding:28px 24px 40px;color:var(--soft);font-size:13px}.learning-footer nav{display:flex;flex-wrap:wrap;gap:18px;margin-bottom:12px}.formula{padding:18px;border:1px solid var(--line);border-radius:14px;font-family:monospace;background:#fff;overflow-wrap:anywhere}.learn-section .learning-note p:last-child{margin:0}.source-note{font-size:13px;color:var(--soft)}
@media(max-width:760px){html{scroll-padding-top:155px}.learn-header{position:relative}.learn-header__inner{flex-wrap:wrap;gap:12px;padding:12px 20px}.learn-header nav{order:3;width:100%;justify-content:flex-start;font-size:12px;gap:8px 20px}.learn-header #langBar{margin-left:auto}.brand img:first-child{width:32px}.brand img:last-child{width:116px}.learn-main{padding:0 20px}.learn-hero{padding:32px 0 24px}.learn-lead{font-size:16px}.learn-section{padding:30px 0}.learning-tool{padding:18px}.tool-controls{grid-template-columns:1fr 1fr;gap:12px}.hand-inputs{gap:6px}.die-input{font-size:11px}.die-input select{padding:5px;font-size:20px}.example-cups{grid-template-columns:1fr}.turn-list>li{padding:20px 18px 20px 62px}.turn-list>li:before{left:16px;top:22px}.turn-list h3{font-size:20px}.learning-note{padding:18px}.odds-row{grid-template-columns:64px minmax(0,1fr) 65px;gap:6px}.tool-result{padding:18px}.tool-result strong{font-size:21px}h2{font-size:26px}th,td{padding:12px;font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.odds-meter{appearance:none;border:0;height:10px;width:100%;border-radius:6px;background:#e5eaf0;overflow:hidden}.odds-meter::-webkit-progress-bar{background:#e5eaf0;border-radius:6px}.odds-meter::-webkit-progress-value{background:#7aafd2;border-radius:6px}.odds-meter::-moz-progress-bar{background:#7aafd2;border-radius:6px}.is-enough .odds-meter::-webkit-progress-value{background:#8e73b5}.is-enough .odds-meter::-moz-progress-bar{background:#8e73b5}