:root{--paper:#f8f6ee;--ink:#26382f;--muted:#5d685f;--red:#bf423b;--blue:#326aa1;--line:#d5d9cd;--serif:"Hiragino Mincho ProN","Yu Mincho",serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",sans-serif;line-height:1.85;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-underline-offset:5px}
.wrap{width:min(1120px,calc(100% - 80px));margin-inline:auto}
.skip-link{position:fixed;z-index:5;top:8px;left:8px;padding:8px 16px;background:var(--ink);color:#fff;transform:translateY(-160%)}
.skip-link:focus{transform:none}
.header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:24px;border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-weight:750;font-size:18px}
.brand img{width:44px;flex:none;border-radius:12px}
nav{display:flex;gap:28px;flex-wrap:wrap;font-size:14px}
nav a{text-decoration:none}
nav a:hover{text-decoration:underline}
.hero{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:64px;align-items:center;padding-block:64px 88px}
.eyebrow{margin:0 0 24px;font-size:12px;line-height:1.5;font-weight:700;letter-spacing:.14em;color:var(--muted)}
h1,h2,h3,p,figure{margin:0}
h1{font-family:var(--serif);font-size:clamp(40px,5.5vw,72px);font-weight:700;letter-spacing:-.04em;line-height:1.3}
h1 span{display:block}
.accent{color:var(--red)}
.lead{font-size:23px;font-weight:600;line-height:1.8;margin-top:28px}
.button{display:inline-flex;align-items:center;gap:44px;background:var(--ink);color:var(--paper);padding:13px 24px;margin-top:28px;text-decoration:none;border-radius:4px;font-size:15px;font-weight:700;transition:background .2s}
.button:hover{background:#42594b}
.hero-image{margin:0;padding:18px 22px;background:#eeeee4;border:1px solid var(--line);border-radius:8px}
.image-label{display:flex;justify-content:space-between;gap:8px;margin-bottom:16px;font-size:10px;letter-spacing:.06em;font-weight:700;color:var(--muted)}
.screen{width:100%;margin-inline:auto;border-radius:8px;box-shadow:0 12px 28px #25362e20}
figcaption{margin-top:20px;font-size:12px;line-height:1.7;text-align:center}
figcaption small{display:block;color:var(--muted);font-size:11px;margin-top:5px}
.section{padding-block:88px}
.section-heading h2{font-family:var(--serif);font-size:clamp(27px,3.1vw,40px);line-height:1.5;letter-spacing:-.035em}
.section-heading>p:last-child:not(.eyebrow){max-width:35em;margin-top:24px;color:var(--muted);font-size:16px}
.rules-section{border-top:1px solid var(--line)}
.rule-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px;margin-top:40px}
.rule-diagram{height:160px;background:#eeeee4;border-radius:4px;margin-bottom:26px;display:flex;align-items:center;justify-content:center}
.score-diagram{flex-direction:column;gap:6px}
.score-diagram>div{display:flex;align-items:center;justify-content:space-between;width:220px;max-width:90%;gap:16px}
.score-diagram span{font-size:26px;letter-spacing:-1px;white-space:nowrap}
.score-diagram b{font-size:16px;white-space:nowrap}
.red{color:var(--red)}.blue{color:var(--blue)}
.expansion-diagram svg{width:85%;height:130px;display:block}
.flip-diagram{gap:24px;font-size:68px;line-height:1}
.flip-diagram .swap{font-size:36px;color:var(--muted)}
.number{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--red);margin-bottom:6px}
.rule h3{font-size:19px;line-height:1.6;margin-bottom:12px}
.rule>p:last-child{color:var(--muted);font-size:15px}
.modes-section{background:var(--ink);color:var(--paper)}
.modes-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:100px}
.modes-section .eyebrow{color:#b8c5b7}
.modes-section .section-heading>p:last-child{color:#c4cec2}
.modes article{display:grid;grid-template-columns:40px minmax(0,1fr);gap:24px;border-top:1px solid #66766a;padding-block:28px}
.modes article:first-child{padding-top:0;border-top:0}
.modes article:last-child{padding-bottom:0}
.mode-symbol{font-size:34px;color:#dbc985;line-height:1.4}
.mode-label{font-size:11px;letter-spacing:.15em;color:#b8c5b7}
.modes h3{font-size:22px;margin:4px 0 10px}
.modes article p:last-child{color:#d5ddd2;font-size:15px}
.campaign{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);align-items:center;gap:64px}
.round-panel{background:#eeeee4;border:1px solid var(--line);padding:28px;border-radius:6px}
.round-caption{font-size:14px;margin-bottom:20px;font-weight:600}
.rounds{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;list-style:none;padding:0;margin:0}
.rounds li{background:var(--paper);border:1px solid var(--line);padding:12px 8px;text-align:center;border-radius:3px}
.rounds span{display:block;font-size:12px}
.rounds strong{display:block;font-size:32px;line-height:1.5;font-weight:500}
.rounds small{font-size:12px;margin-left:3px}
.rounds .final-round{grid-column:1/-1;display:flex;justify-content:center;align-items:center;gap:24px;background:#7e3435;color:#fff6d9;border-color:#7e3435}
.round-note{font-size:12px;margin-top:16px;color:var(--muted)}
.extras{padding-top:0}
.extra-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px;margin-top:36px}
.extra-grid article{border-top:2px solid var(--line);padding-top:22px}
.extra-grid h3{font-size:18px;margin-bottom:10px}
.extra-grid p{font-size:15px;color:var(--muted)}
.streaming{border-top:1px solid var(--line)}
.streaming-highlights{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:24px 0 0;padding:0}
.streaming-highlights li{padding:6px 14px;border:1px solid var(--line);border-radius:4px;background:#eeeee4;font-size:14px;font-weight:700}
.streaming-groups{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:32px 48px;margin-top:36px}
.streaming-groups section{min-width:0;border-top:1px solid var(--line);padding-top:22px}
.streaming-groups h3{font-size:18px;margin-bottom:12px}
.streaming-groups h3 small{display:inline-block;font-size:12px;margin-left:8px;padding:0 8px;border:1px solid var(--line);border-radius:3px;color:var(--muted)}
.streaming-groups p,.streaming-groups ul{font-size:15px;color:var(--muted)}
.streaming-groups ul{margin:0;padding-left:1.3em}
.streaming-groups li+li{margin-top:8px}
.closing{display:flex;align-items:center;justify-content:center;gap:22px;padding-block:40px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.closing img{width:64px;border-radius:16px}
.closing p{font-family:var(--serif);font-size:24px;font-weight:700}
.closing span{color:var(--muted);font-size:14px}
.footer{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:28px 36px}
.footer>p{font-size:12px;color:var(--muted)}
:focus-visible{outline:3px solid var(--red);outline-offset:5px}
button{font:inherit;cursor:pointer}
.language-switch{border:1px solid var(--line);border-radius:4px;background:transparent;color:var(--ink);padding:8px 12px;font-size:14px;min-height:44px}
.language-switch:hover{background:#eeeee4}
.language-dialog{width:min(460px,calc(100% - 40px));max-height:calc(100dvh - 40px);overflow:auto;margin:auto;padding:36px;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);text-align:center;box-shadow:0 24px 80px #15231d33}
.language-dialog::backdrop{background:#17251edb}
body:has(.language-dialog[open]){overflow:hidden}
.language-dialog img{margin:0 auto 24px;border-radius:16px}
.language-dialog h2{font-size:22px;line-height:1.6}
.language-dialog span{display:block}
.language-dialog p{margin-top:16px;font-size:14px;color:var(--muted)}
.language-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:28px}
.language-options button{min-height:56px;border:1px solid var(--ink);border-radius:5px;background:var(--ink);color:var(--paper);font-weight:700;font-size:18px}
.language-options button:hover{background:#42594b}
html[lang="en"] h1,html[lang="en"] h2,html[lang="en"] .closing p{font-family:Georgia,serif;letter-spacing:-.025em}
html[lang="en"] h1{font-size:clamp(38px,4.8vw,64px)}
html[lang="en"] .brand{font-size:16px}
.header nav{align-items:center}
@media(max-width:760px){.header{flex-wrap:wrap}.header nav{width:100%;justify-content:space-between}.header nav a:first-child{display:inline}.language-dialog{padding:28px 20px}html[lang="en"] h1{font-size:clamp(36px,9vw,56px)}}
@media(max-width:1000px){
.hero{gap:40px;grid-template-columns:minmax(0,1fr) 300px}
.hero-image{padding-inline:16px}
.modes-layout{gap:52px}
.campaign{gap:36px}
.rule-grid,.extra-grid{gap:24px}
}
@media(max-width:760px){
.wrap{width:calc(100% - 40px)}
.header{padding-block:16px;gap:14px}
.brand{font-size:15px;gap:8px}.brand img{width:36px}
.header nav{gap:16px}.header nav a:first-child{display:none}
.hero{grid-template-columns:minmax(0,1fr);gap:36px;padding-block:44px 56px}
h1{font-size:clamp(36px,9.8vw,60px);line-height:1.35}
.eyebrow{margin-bottom:18px}
.lead{font-size:20px;margin-top:20px}
.button{margin-top:24px}
.hero-image{width:min(100%,380px);justify-self:center;padding:14px;order:-1}
.screen{width:100%}
.section{padding-block:56px}
.rule-grid{grid-template-columns:minmax(0,1fr);gap:36px;margin-top:28px}
.rule-diagram{height:150px;margin-bottom:18px}
.rule h3{font-size:20px;margin-bottom:8px}
.modes-layout,.campaign{grid-template-columns:minmax(0,1fr);gap:36px}
.modes article{gap:16px}
.round-panel{padding:22px}
.extra-grid{grid-template-columns:minmax(0,1fr);gap:24px;margin-top:28px}
.extras{padding-top:0}
.streaming-groups{grid-template-columns:minmax(0,1fr);gap:24px}
.closing{gap:16px;justify-content:flex-start;padding-block:28px}
.closing img{width:52px}.closing p{font-size:21px}.closing span{font-size:12px}
.footer{align-items:flex-start;flex-direction:column;gap:14px}
.footer nav{font-size:13px;gap:20px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}
@media(max-width:760px){.header nav a:first-child{display:inline}.header nav{gap:8px}}
.hero-actions{display:flex;margin-top:44px}
.hero-actions .button,.closing .button{margin-top:0}
.download-link{gap:16px;justify-content:center;max-width:100%;font-size:15px}
.closing{flex-direction:column;gap:20px;text-align:center;padding-block:56px}
.closing .download-link{margin-top:12px}
.closing .download-link span{color:inherit;font-size:inherit}
@media(max-width:760px){.hero-actions{margin-top:36px}.hero-actions .download-link{width:100%}.closing .download-link{width:min(100%,340px)}}