:root{color-scheme:dark;--paper:#ece6d1;--gold:#cab588;--muted:#acb9c0;--ink:#0b1825}*{box-sizing:border-box}html,body{width:100%;height:100%;margin:0;overflow:hidden}body{background:var(--ink);color:var(--paper);font-family:Georgia,Yu Mincho,Hiragino Mincho ProN,Noto Serif JP,serif}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--gold);outline-offset:5px}canvas{width:100%;height:100dvh;display:block;position:fixed;inset:0}.veil{pointer-events:none;background:linear-gradient(#030a1461,#0000 24% 75%,#030a0f47);position:fixed;inset:0}.ui{transition:opacity .5s,transform .5s}.hidden-ui .ui{opacity:0;pointer-events:none}.top{padding:calc(30px + env(safe-area-inset-top)) 40px 0;justify-content:space-between;align-items:center;display:flex;position:fixed;inset:0 0 auto}.brand{color:var(--paper);letter-spacing:.035em;align-items:center;gap:12px;font-size:23px;text-decoration:none;display:inline-flex}.brand small{letter-spacing:.44em;color:var(--gold);margin-top:4px;font-family:Arial,sans-serif;font-size:8px;display:block}.mark{width:30px;height:30px}.topnav{gap:9px;display:flex}.iconbtn{width:40px;height:40px;color:var(--paper);backdrop-filter:blur(8px);background:#0b182547;border:1px solid #d7dec31c;border-radius:50%;place-items:center;display:grid}.iconbtn:hover{background:#d5c89914;border-color:#cab58888}.iconbtn svg{fill:none;stroke:currentColor;stroke-width:1.5px;width:17px;height:17px}.title{pointer-events:none;position:fixed;top:25%;left:8%}.eyebrow{color:var(--gold);letter-spacing:.34em;margin-bottom:20px;font-family:Arial,sans-serif;font-size:10px}.title h1{letter-spacing:.25em;margin:0;font-size:clamp(29px,3vw,43px);font-weight:400;line-height:1.65}.subtitle{letter-spacing:.16em;color:#b4bec5;margin-top:16px;font-size:12px;line-height:2}.poem{writing-mode:vertical-rl;letter-spacing:.45em;color:#cfcec7b0;pointer-events:none;font-size:13px;line-height:2.2;position:fixed;top:27%;right:7%}.poem small{color:var(--gold);letter-spacing:.35em;margin-right:22px;font-size:9px}.bottom{left:40px;right:40px;bottom:calc(26px + env(safe-area-inset-bottom));justify-content:space-between;align-items:end;gap:24px;display:flex;position:fixed}.mooninfo{min-width:155px}.date{letter-spacing:.13em;color:#ccd2d0;font-family:Arial,sans-serif;font-size:10px}.moon-name{letter-spacing:.18em;margin:8px 0;font-size:23px}.stats{color:#bbc6cb;letter-spacing:.1em;font-size:10px}.badge{color:var(--gold);vertical-align:middle;letter-spacing:.05em;border:1px solid #cab58855;margin-left:8px;padding:3px 7px;font-size:9px;display:inline-block}.controls{backdrop-filter:blur(15px);background:#08171fad;border:1px solid #dadcc227;border-radius:40px;align-items:center;gap:5px;padding:5px;display:flex;box-shadow:0 6px 32px #0002}.controls button{color:#b8c3c7;white-space:nowrap;letter-spacing:.06em;background:0 0;border:0;border-radius:30px;padding:10px 17px;font-size:11px;transition:background .25s,color .25s}.controls button[aria-pressed=true]{color:#14232b;background:#d1c29c}.controls button:hover{color:#fff}.controls button[aria-pressed=true]:hover{color:#14232b}.hint{color:#b2bfb58c;letter-spacing:.12em;text-align:right;font-size:9px;line-height:2}.hidehint{letter-spacing:.12em;color:#d1d5c7;opacity:0;pointer-events:none;font-size:10px;transition:opacity .4s;position:fixed;bottom:20px;left:50%;transform:translate(-50%)}.hidden-ui .hidehint{opacity:.7}dialog{color:var(--paper);backdrop-filter:blur(20px);background:#102331ed;border:1px solid #cab58855;border-radius:16px;width:min(430px,100% - 36px);padding:30px;box-shadow:0 20px 80px #0008}dialog::backdrop{backdrop-filter:blur(5px);background:#0006}dialog h2{letter-spacing:.12em;margin:0 0 15px;font-size:23px;font-weight:400}dialog p{color:#c0cbd0;font-size:12px;line-height:2}dialog label{letter-spacing:.1em;margin:22px 0 9px;font-size:12px;display:block}input[type=date]{color:var(--paper);background:#071723;border:1px solid #82969f66;border-radius:6px;width:100%;padding:10px;font-family:Arial,sans-serif}.dialog-actions{gap:10px;margin-top:20px;display:flex}.dialog-actions button{color:var(--paper);background:0 0;border:1px solid #cab58855;border-radius:6px;flex:1;padding:11px;font-size:12px}.dialog-actions .primary{color:#11232d;background:#cbbc93}.noscript{background:#0b1825;place-items:center;padding:30px;line-height:2;display:grid;position:fixed;inset:0}.toast{opacity:0;pointer-events:none;background:#142b36;border:1px solid #cab58855;border-radius:8px;padding:12px 20px;font-size:12px;transition:opacity .3s;position:fixed;top:90px;left:50%;transform:translate(-50%)}.toast.show{opacity:1}@media (width>=1500px){.title{top:26%;left:10%}.poem{right:10%}}@media (width<=700px){.top{padding:calc(20px + env(safe-area-inset-top)) 22px 0}.brand{font-size:19px}.brand small{font-size:7px}.mark{width:26px;height:26px}.iconbtn{width:35px;height:35px}.topnav{gap:6px}.title{top:16%;left:26px}.eyebrow{margin-bottom:10px;font-size:8px}.title h1{letter-spacing:.18em;font-size:27px}.subtitle{margin-top:9px;font-size:10px;line-height:1.9}.poem{font-size:10px;top:31%;right:24px}.poem small{margin-right:8px;font-size:8px}.bottom{left:22px;right:22px;bottom:calc(22px + env(safe-area-inset-bottom));grid-template-columns:1fr;gap:16px;display:grid}.moon-name{margin:6px 0;font-size:21px}.controls{justify-content:space-between;width:100%}.controls button{flex:1;padding:10px 12px;font-size:10px}.hint{display:none}.date,.stats{font-size:9px}.mooninfo{pointer-events:none}.hidehint{white-space:nowrap;bottom:calc(20px + env(safe-area-inset-bottom))}}@media (height<=740px) and (orientation:portrait){.subtitle{display:none}}@media (height<=520px) and (orientation:landscape){.top{padding-top:14px}.title{top:24%;left:5%}.title h1{font-size:25px}.eyebrow{margin-bottom:6px}.subtitle,.poem{display:none}.bottom{bottom:14px}.moon-name{font-size:19px}.hint{display:none}.controls button{padding:9px 13px}}@media (prefers-reduced-motion:reduce){.ui,.toast{transition:none}}.brand{width:352px;height:62px;box-shadow:none;background:0 0;border-radius:0;flex-shrink:0;display:block;position:relative;overflow:hidden}.brand-image{object-fit:contain;width:100%;height:auto;display:block;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@media (width<=1250px){.brand{width:314px;height:55px}}@media (width<=700px){.brand{width:min(226px,100vw - 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