:root{color-scheme:dark;--ink:#f7f2ed;--muted:#bcb5cf;--line:#ffffff24;--gold:#eab887}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#12101e;color:var(--ink);font-family:system-ui,-apple-system,"Noto Sans JP",sans-serif;line-height:1.8}
    a{color:inherit;text-decoration:none}a:hover{color:var(--gold)}a:focus-visible{outline:2px solid var(--gold);outline-offset:7px}
    header,main,footer{max-width:1100px;margin:auto;padding:26px clamp(24px,6vw,72px)}header{display:flex;justify-content:space-between;align-items:center;gap:24px}header strong{letter-spacing:.17em;font-size:13px}nav{display:flex;gap:24px;font-size:12px;color:var(--muted)}
    .hero{position:relative;overflow:hidden;min-height:520px;padding:76px 0 86px;border-bottom:1px solid var(--line)}.hero:before{content:"";position:absolute;width:390px;height:390px;right:-80px;top:10px;border-radius:50%;background:radial-gradient(circle at 34% 34%,#d6a5a455,#62518a38 44%,#22203600 70%);pointer-events:none;z-index:-1}
    .eyebrow{font-size:12px;letter-spacing:.25em;color:var(--gold)}h1{font-family:Georgia,serif;font-weight:400;font-size:clamp(58px,10vw,116px);line-height:1.03;letter-spacing:-.05em;margin:30px 0}h1 span{display:block;color:#c2afdf}h2{font-size:23px;font-weight:500;margin:12px 0 20px}.lead{color:var(--muted);font-size:14px;max-width:460px}.date{display:flex;gap:18px;align-items:baseline;margin-top:38px}.date strong{font-size:29px;font-weight:400}.date span{font-size:12px;color:var(--muted)}
    section:not(.hero){padding:45px 0;border-bottom:1px solid var(--line)}.section-label{font-family:Georgia,serif;color:var(--gold);font-size:14px;letter-spacing:.1em}p{color:var(--muted);font-size:14px}.info{display:grid;grid-template-columns:1fr 1fr;gap:30px}.note{padding:22px 26px;border:1px solid var(--line);border-radius:4px;background:#ffffff03}.badge{display:inline-block;border:1px solid #eab88766;border-radius:100px;padding:4px 13px;font-size:11px;color:var(--gold);letter-spacing:.1em}footer{color:var(--muted);font-size:11px;padding-top:36px;padding-bottom:40px;letter-spacing:.1em}
    @media(max-width:600px){header{align-items:flex-start}nav{gap:12px;flex-wrap:wrap;justify-content:flex-end}.hero{min-height:480px;padding-top:54px}.info{grid-template-columns:1fr;gap:8px}h1{font-size:64px}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
:root{--ink:#fff5df;--muted:#c5b6cf;--line:#c5a4dc29;--gold:#ffae63}body{background:radial-gradient(ellipse at 90% 10%,#41204755,transparent 45%),#160f23}header{min-height:100px;border-bottom:1px solid var(--line)}header strong{font-size:12px;letter-spacing:.05em;max-width:340px}header strong:before{content:"✦";color:var(--gold);margin-right:10px}.hero{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:10px;padding:65px 0;min-height:620px}.hero:before{display:none}.eyebrow{font-size:10px;letter-spacing:.18em}.eyebrow:before{content:"— ";color:var(--gold)}h1{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(26px,3.4vw,42px);line-height:1.6;letter-spacing:.025em;font-weight:600;margin:25px 0 20px}h1 span{color:inherit}h1 .host{font-size:.66em;color:#d1b3f6;margin-bottom:8px}h1 .event-name{white-space:nowrap}.lead{line-height:2}.date{margin-top:27px}.date strong{font-family:Georgia,serif;color:var(--gold);font-size:33px}.art-wrap{align-self:center}.art{display:block;width:115%;margin-left:-5%;max-width:490px;overflow:visible}.art-caption{font-family:Georgia,serif;font-style:italic;text-align:center;font-size:13px;letter-spacing:.08em;color:#af94c0;margin:0}.button{display:inline-flex;gap:26px;align-items:center;border:1px solid #ffae6360;border-radius:3px;padding:10px 19px;margin-top:22px;background:#ffae6309;font-size:12px}.button span{color:var(--gold)}.section-label{color:#bd9dda;font-size:13px}.badge{border-color:#d1b3f650;color:#dfc9f6;font-size:10px}.note{background:linear-gradient(110deg,#63334725,#452f6525);border-color:#ad82c438;border-radius:5px}h2{font-weight:500}footer{font-size:11px;letter-spacing:.04em;display:flex;justify-content:space-between;gap:20px}.footer-mark{color:var(--gold);font-family:Georgia,serif;letter-spacing:.14em}html{scroll-padding-top:24px}
    @media(max-width:760px){header{gap:16px}header strong{max-width:220px;font-size:11px}nav{gap:13px;font-size:11px}.hero{grid-template-columns:1fr;gap:0;padding:44px 0 30px;min-height:0}h1{font-size:clamp(28px,7vw,42px)}.art-wrap{max-width:350px;width:90%;margin:15px auto 5px}.art{width:100%;margin:0}.info{grid-template-columns:1fr;gap:5px}footer{flex-direction:column;gap:8px}}
    .download-form{margin-top:22px;max-width:520px}.download-form label{display:block;font-size:13px;margin-bottom:8px;color:var(--ink)}.download-form input{display:block;width:100%;min-height:48px;border:1px solid #d1b3f660;border-radius:4px;background:#160f23;color:var(--ink);padding:12px 14px;font:inherit;font-size:16px}.download-form input:focus-visible{outline:2px solid var(--gold);outline-offset:3px}.download-form input:disabled{opacity:.55}.download-form button{margin-top:13px;min-height:48px;border:1px solid #ffae6370;border-radius:4px;padding:11px 20px;background:#ffae6315;color:var(--gold);font:inherit;font-size:13px;cursor:pointer}.download-form button:disabled{opacity:.5;cursor:not-allowed}.download-form button:focus-visible{outline:2px solid var(--gold);outline-offset:3px}#download-status{min-height:2em;margin-top:13px;font-size:12px;color:#d1b3f6}
    @media(max-width:380px){header{flex-direction:column;align-items:flex-start;gap:10px}header strong{max-width:none}h1{font-size:26px}nav{gap:22px}.date{gap:10px}.date strong{font-size:28px}}
    @media(max-width:600px){
      header{min-height:0;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:12px;padding-top:20px;padding-bottom:12px}
      header strong{max-width:none;font-size:12px;line-height:1.8}
      nav{display:grid;grid-template-columns:1fr .75fr 1.8fr;gap:6px;width:100%;font-size:13px;justify-content:normal}
      nav a{display:flex;align-items:center;justify-content:center;min-height:44px;padding:6px 3px;white-space:nowrap;border-radius:4px;background:#ffffff04}
      nav a[aria-current="page"]{color:var(--gold);background:#ffae630d}
      main{padding-top:0}.hero{padding-top:38px;padding-bottom:28px}
      .art-wrap{max-width:300px;margin-top:18px}.art-caption{font-size:12px}
      .date{flex-wrap:wrap;column-gap:12px;row-gap:0;align-items:baseline}.date strong{font-size:clamp(26px,7.5vw,32px)}
      .note{padding:22px 18px}.download-form{max-width:none}.download-form button{width:100%;font-size:14px;min-height:48px;padding:12px 10px}
      .download-form input{min-height:48px}#download-status{line-height:1.8}footer{font-size:12px;line-height:1.9}
      .back-link{display:inline-flex;align-items:center;min-height:44px}
    }