@layer theme{:root,:host{--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans-jp);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.contents{display:contents}.h-full{height:100%}.min-h-full{min-height:100%}.scroll-smooth{scroll-behavior:smooth}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}}:root{--paper:#f7f3eb;--paper-deep:#eee5d7;--ink:#17211d;--muted:#69746e;--river:#2f6f77;--river-deep:#194d56;--reed:#b98a3f;--line:#17211d29;--white:#fffdf8}*{box-sizing:border-box}html{background:var(--paper)}body{background:linear-gradient(90deg, #2f6f770f 0 1px, transparent 1px), linear-gradient(180deg, var(--paper) 0%, #fbf8f1 42%, var(--paper-deep) 100%);color:var(--ink);font-family:var(--font-sans-jp), sans-serif;letter-spacing:0;background-size:72px 72px,auto;margin:0}a{color:inherit;text-decoration:none}img{max-width:100%}::selection{background:#b98a3f42}.site-header{z-index:20;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#f7f3ebd6;border-bottom:1px solid #fffdf86b;justify-content:space-between;align-items:center;gap:20px;padding:12px clamp(18px,4vw,56px);display:flex;position:sticky;top:0}.brand{width:118px;display:block}.brand img{mix-blend-mode:multiply;height:auto;display:block}.anchor-nav{white-space:nowrap;color:var(--river-deep);scrollbar-width:none;gap:clamp(12px,2.5vw,30px);font-size:13px;font-weight:500;display:flex;overflow-x:auto}.anchor-nav::-webkit-scrollbar{display:none}.anchor-nav a{border-bottom:1px solid #0000;padding:8px 0}.anchor-nav a:hover{border-color:var(--river)}.hero{isolation:isolate;align-items:end;min-height:86svh;padding:clamp(92px,13vw,150px) clamp(20px,5vw,72px) clamp(44px,8vw,90px);display:grid;position:relative}.hero-visual{z-index:-2;background:#102a2f;position:absolute;inset:0;overflow:hidden}.hero-visual:after{content:"";z-index:2;background:linear-gradient(#0c141224 0%,#0c14121f 36%,#0c1412ad 100%),linear-gradient(90deg,#0814127a 0%,#0814121a 58%,#08141252 100%);position:absolute;inset:0}.hero-slide{object-fit:cover;opacity:0;animation:24s infinite heroFade;transform:scale(1.04)}.hero-slide.delay-1{animation-delay:6s}.hero-slide.delay-2{animation-delay:12s}.hero-slide.delay-3{animation-delay:18s}@keyframes heroFade{0%{opacity:0;transform:scale(1.04)}6%,26%{opacity:1}32%,to{opacity:0;transform:scale(1.11)}}.hero-copy{width:min(760px,100%);color:var(--white)}.eyebrow,.section-kicker{color:var(--reed);letter-spacing:.12em;text-transform:uppercase;margin:0 0 18px;font-size:12px;font-weight:700}.hero h1,.section h2{font-family:var(--font-serif-jp), serif;letter-spacing:0;margin:0;font-weight:600}.hero h1{text-wrap:balance;max-width:10em;font-size:clamp(44px,11vw,112px);line-height:1.02}.lead{color:#fffdf8eb;max-width:620px;margin:28px 0 0;font-size:clamp(16px,2vw,20px);line-height:2}.hero-facts{color:#fffdf8e6;flex-wrap:wrap;gap:10px 18px;margin-top:30px;font-size:14px;display:flex}.hero-facts span{border-bottom:1px solid #fffdf86b;padding-bottom:5px}.hero-actions,.store-links{flex-wrap:wrap;gap:12px;margin-top:34px;display:flex}.button{border:1px solid;border-radius:2px;justify-content:center;align-items:center;min-height:48px;padding:13px 22px;font-size:14px;font-weight:700;transition:transform .18s,background .18s,color .18s;display:inline-flex}.button:hover{transform:translateY(-1px)}.button.primary{border-color:var(--river-deep);background:var(--river-deep);color:var(--white)}.hero .button.primary{border-color:var(--white);background:var(--white);color:var(--river-deep)}.button.ghost{color:currentColor;background:0 0}.section{width:min(100%,1040px);margin:0 auto;padding:clamp(78px,12vw,148px) clamp(22px,5vw,64px)}.section h2{max-width:820px;color:var(--ink);font-size:clamp(30px,5vw,58px);line-height:1.34}.section h3{font-family:var(--font-serif-jp), serif;margin:0;font-size:clamp(20px,2.7vw,30px);font-weight:600;line-height:1.5}.prose,.section-lead,.quiet-note,.contact-body{color:var(--muted);font-size:16px;line-height:2.08}.prose{max-width:780px;margin-top:34px}.prose p,.prose ul,.section-lead{margin:0}.prose p+p,.prose p+ul{margin-top:22px}.prose ul,.rules ul,.contact ol{padding-left:1.35em}.intro{padding-top:clamp(96px,14vw,170px)}.start{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:minmax(220px,.72fr) 1fr;gap:clamp(34px,6vw,84px);display:grid}.definition-list{border-top:1px solid var(--line);margin:48px 0 0}.definition-list div{border-bottom:1px solid var(--line);grid-template-columns:minmax(120px,.28fr) 1fr;gap:clamp(20px,5vw,58px);padding:24px 0;display:grid}.definition-list dt{color:var(--river-deep);font-weight:700}.definition-list dd{color:var(--muted);margin:0;line-height:1.95}.photo-band{grid-template-columns:repeat(4,1fr);min-height:360px;display:grid}.photo-band figure{background:var(--river-deep);min-height:clamp(210px,32vw,440px);margin:0;position:relative;overflow:hidden}.photo-band img{object-fit:cover;transition:transform .6s}.photo-band figure:hover img{transform:scale(1.04)}.photo-band figcaption{z-index:1;color:var(--white);text-shadow:0 1px 12px #0000008c;font-size:12px;position:absolute;bottom:16px;left:18px}.map-section{width:min(100%,1180px)}.wide-image{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:44px;padding:18px 0}.wide-image img{width:100%;height:auto;display:block}.text-link{border-bottom:1px solid var(--river-deep);color:var(--river-deep);margin-top:26px;padding-bottom:6px;font-weight:700;display:inline-flex}.timeline{border-top:1px solid var(--line);margin-top:52px}.timeline-item{border-bottom:1px solid var(--line);grid-template-columns:72px 1fr 128px;align-items:center;gap:clamp(20px,4vw,46px);padding:30px 0;display:grid}.timeline-item p,.enjoy-list p,.prize-feature p,.rules p,.contact-body p,.footer p{color:var(--muted);margin:10px 0 0;line-height:1.95}.step-number{color:var(--river);font-family:var(--font-serif-jp), serif;font-size:28px;font-weight:700}.step-image{aspect-ratio:1;border:1px solid var(--line);background:var(--white);width:112px;position:relative;overflow:hidden}.step-image img{object-fit:contain;padding:8px}.enjoy-list{border-top:1px solid var(--line);grid-template-columns:repeat(2,1fr);gap:0 clamp(34px,6vw,72px);margin-top:50px;display:grid}.enjoy-list article{border-bottom:1px solid var(--line);padding:30px 0}.quiet-note{border-left:2px solid var(--reed);margin:42px 0 0;padding-left:22px}.prize-feature{grid-template-columns:repeat(3,1fr);gap:clamp(22px,4vw,44px);margin-top:52px;display:grid}.prize-feature article{border-top:1px solid var(--line);padding-top:24px}.prize-image{background:#fffdf894;height:180px;margin-bottom:22px;position:relative}.prize-image img{object-fit:contain;padding:14px}.rank-table{border-top:1px solid var(--line);grid-template-columns:repeat(2,1fr);gap:0 40px;margin-top:58px;display:grid}.rank-table div{border-bottom:1px solid var(--line);grid-template-columns:72px 1fr;align-items:baseline;gap:18px;min-height:54px;padding:16px 0;display:grid}.rank-table span{color:var(--river-deep);font-weight:700}.rank-table p{color:var(--muted);margin:0;line-height:1.65}.app-grid{grid-template-columns:minmax(0,1fr) 220px;align-items:center;gap:clamp(34px,7vw,86px);margin-top:44px;display:grid}.app-icons{border-left:1px solid var(--line);justify-items:center;gap:22px;padding-left:42px;display:grid}.app-icons img{width:132px;height:132px}.news-list{border-top:1px solid var(--line);margin-top:44px}.news-list a{border-bottom:1px solid var(--line);grid-template-columns:118px 1fr;gap:22px;padding:20px 0;display:grid}.news-list time{color:var(--reed);font-size:13px;font-weight:700}.news-list span{color:var(--ink);line-height:1.7}.rules details{border-top:1px solid var(--line);padding:24px 0}.rules details:first-of-type{margin-top:46px}.rules details:last-of-type{border-bottom:1px solid var(--line)}.rules summary{cursor:pointer;color:var(--river-deep);font-weight:700}.rules li,.contact li{color:var(--muted);margin-top:10px;line-height:1.8}.contact{border-top:1px solid var(--line)}.contact-body{max-width:780px;margin-top:36px}.footer{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;gap:28px;padding:42px clamp(22px,5vw,64px) 54px;font-size:13px;display:flex}.footer a{color:var(--river-deep);white-space:nowrap;font-weight:700}@media (max-width:900px){.site-header{flex-direction:column;align-items:flex-start;gap:8px}.anchor-nav{width:100%;padding-bottom:2px}.hero{min-height:88svh}.start,.definition-list div,.timeline-item,.app-grid{grid-template-columns:1fr}.photo-band{grid-template-columns:repeat(2,1fr)}.timeline-item{gap:14px}.step-image{width:138px}.enjoy-list,.prize-feature,.rank-table{grid-template-columns:1fr}.app-icons{border-left:0;border-top:1px solid var(--line);grid-template-columns:repeat(2,120px);justify-content:start;padding:28px 0 0}.news-list a{grid-template-columns:1fr;gap:4px}.footer{flex-direction:column}}@media (max-width:560px){.brand{width:104px}.hero{padding-inline:20px}.hero-actions,.store-links{flex-direction:column;align-items:stretch}.button{width:100%}.section{padding-inline:22px}.photo-band figure{min-height:190px}.rank-table div{grid-template-columns:64px 1fr}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important}.hero-slide{animation:none}.hero-slide:first-child{opacity:1}}