:root{
  --matte:#F4F1EA; --ink:#3D3830; --ink-70:rgba(61,56,48,.72); --ink-60:rgba(61,56,48,.6);
  --line:rgba(61,56,48,.14); --frame:#4F3A29; --fillet:rgba(204,179,133,.9); --cta:#2C2118;
  --serif:'Source Serif 4','Noto Serif JP','Hiragino Mincho ProN',Georgia,serif;
  --sans:'Noto Sans','Noto Sans JP','Hiragino Sans',system-ui,-apple-system,sans-serif;
}
html:lang(ja){--serif:'Noto Serif JP','Hiragino Mincho ProN','Yu Mincho',serif;--sans:'Noto Sans JP','Hiragino Sans',system-ui,sans-serif}
*{box-sizing:border-box}
html{color-scheme:light}
body{margin:0;overflow-x:hidden;background:var(--matte);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%;height:auto}
a{color:var(--frame);text-decoration:none}
a:hover{color:var(--cta)}
h1,h2,h3{font-family:var(--serif);font-weight:600;margin:0;color:var(--ink);text-wrap:pretty}
p{margin:0}
.wrap{width:min(100% - 48px,1080px);margin-inline:auto}
.serif{font-family:var(--serif)}

/* header */
.top{display:flex;justify-content:space-between;align-items:center;padding:20px 0 8px}
.brand{display:flex;align-items:baseline;gap:10px}
.brand .name{font-family:var(--serif);font-size:18px;font-weight:600;letter-spacing:.04em;color:var(--ink)}
.brand .alt{font-size:12px;color:var(--ink-60)}
.topright{display:flex;align-items:center;gap:6px}
.nav{display:none;gap:8px;font-size:14px}
.lang{font-size:13px;color:var(--ink-70);min-height:44px;display:flex;align-items:center;padding:0 12px;border:1px solid var(--line);border-radius:999px;line-height:1}
.lang:hover{border-color:var(--ink-60)}
.nav a{color:var(--ink-70);min-height:44px;display:flex;align-items:center;padding:0 10px}

/* frame */
.frame{background:var(--frame);padding:10px;box-shadow:0 18px 32px rgba(44,33,24,.18);width:100%}
.frame>span{display:block;border:1px solid var(--fillet);padding:2px}
.frame img{object-fit:cover;width:100%}
.caption{display:flex;flex-direction:column;align-items:center;gap:2px;text-align:center}
.caption .date{font-family:var(--serif);font-size:13px;font-weight:600}
.caption .memo{font-family:var(--serif);font-size:11px;color:var(--ink-70)}

/* hero */
.hero{display:flex;flex-direction:column;gap:22px;padding:24px 0 8px}
.hero .art{display:flex;flex-direction:column;align-items:center;gap:12px;width:100%;max-width:324px;margin-inline:auto}
.hero .frame img{aspect-ratio:3/2}
.hero h1{font-size:24px;line-height:1.5}
.hero .lead{font-size:14px;color:rgba(61,56,48,.78)}
.cta{display:inline-flex;align-items:center;gap:10px;background:var(--cta);color:var(--matte);border-radius:12px;padding:13px 20px;font-size:15px;font-weight:500;min-height:44px}
.cta:hover{color:#fff;background:#1d1610}
.cta svg{flex-shrink:0}
.cta-note{font-size:12px;color:var(--ink-60);margin-top:10px}

/* sections */
section{padding:40px 0 8px;border-top:1px solid var(--line);margin-top:32px}
section h2{font-size:20px;margin-bottom:20px}
.steps{display:flex;flex-direction:column;gap:22px}
.step{display:flex;gap:16px;align-items:flex-start}
.num{width:30px;height:30px;border-radius:50%;border:1px solid rgba(61,56,48,.35);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:14px;font-weight:600;flex-shrink:0}
.step h3{font-size:16px;font-family:var(--sans);font-weight:500;line-height:1.5}
.step p{font-size:13px;color:var(--ink-70);margin-top:6px}
.step .shot{width:132px;border-radius:14px;overflow:hidden;border:1px solid var(--line);margin-top:10px}
.step .shot img{width:100%;aspect-ratio:132/200;object-fit:cover;object-position:top}
.invite{display:flex;align-items:center;gap:10px;margin-top:10px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.35);font-size:13px;width:fit-content}
.step .frame{padding:7px;margin-top:10px;box-shadow:0 10px 20px rgba(44,33,24,.16);width:184px}
.step .frame img{aspect-ratio:3/2}

.cards{display:flex;flex-direction:column;gap:12px}
.card{display:flex;flex-direction:column;gap:6px;padding:16px 18px;border:1px solid var(--line);border-radius:16px}
.card .who{font-size:12px;letter-spacing:.08em;color:var(--ink-60)}
.card h3{font-size:15px;font-family:var(--sans);font-weight:500}
.card p{font-size:13px;color:var(--ink-70)}

.place{display:flex;flex-direction:column;gap:18px}
.place .item{display:flex;flex-direction:column;gap:10px}
.place .standby{border-radius:16px;overflow:hidden;background:#000;width:min(100%,320px)}
.place p{font-size:13px;color:var(--ink-70)}
.place .frame{padding:8px;max-width:400px}
.place .frame img{aspect-ratio:3/2}

.record .pair{display:flex;gap:16px;align-items:flex-end;margin-bottom:14px}
.record .frame{padding:7px;box-shadow:0 10px 20px rgba(44,33,24,.16);width:146px;flex-shrink:0}
.record .frame img{aspect-ratio:128/186}
.record .shot{width:132px;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.record .shot img{width:100%;aspect-ratio:132/200;object-fit:cover;object-position:top}
.record p{font-size:13px;color:var(--ink-70)}

.faq{display:flex;flex-direction:column;gap:18px}
.faq h3{font-size:14px;font-family:var(--sans);font-weight:500;line-height:1.5}
.faq p{font-size:13px;color:var(--ink-70);margin-top:6px}

footer{border-top:1px solid var(--line);margin-top:40px;padding:36px 0 44px;display:flex;flex-direction:column;gap:18px}
.links{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;align-items:center}
.links a{color:var(--ink-60);min-height:44px;display:flex;align-items:center;padding:0 8px;margin-left:-8px}
.legal{font-size:12px;color:var(--ink-60)}

@media (min-width:900px){
  body{font-size:16px}
  .top{padding:28px 0 8px}
  .brand .name{font-size:20px}.brand .alt{font-size:13px}
  .nav{display:flex;gap:16px}
  .topright{gap:14px}
  .lang{font-size:14px;min-height:36px;padding:0 14px}
  .hero{flex-direction:row;align-items:center;gap:72px;padding:56px 0 24px}
  .hero .art{flex-shrink:0;max-width:none;width:556px;margin:0}
  .hero .frame{padding:14px;box-shadow:0 28px 48px rgba(44,33,24,.18)}
  .hero .frame>span{padding:3px}

  .caption .date{font-size:15px}.caption .memo{font-size:13px}
  .hero .text{display:flex;flex-direction:column;gap:24px}
  .hero h1{font-size:34px}
  .hero .lead{font-size:16px;line-height:1.9}
  .cta{padding:14px 24px;font-size:16px;min-height:48px}
  .cta-note{font-size:13px}
  section{padding:56px 0 8px;margin-top:40px}
  section h2{font-size:24px;margin-bottom:28px}
  .steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px}
  .step{flex-direction:column;gap:10px}
  .step h3{font-size:18px}.step p{font-size:14px;margin-top:0}
  .step .shot{width:160px}.step .frame{width:232px}
  .cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .card{padding:22px 24px}.card h3{font-size:16px}.card p{font-size:14px}
  .place{display:grid;grid-template-columns:1fr 520px;gap:48px;align-items:start}
  .place p{font-size:14px}
  .place .standby{width:100%}
  .place .frame{padding:12px;max-width:none}
  .record{display:flex;gap:40px;align-items:center}
  .record .pair{margin:0;align-items:center;gap:32px;flex-shrink:0}
  .record .frame{padding:12px;box-shadow:0 20px 36px rgba(44,33,24,.18);width:324px}
  .record .frame img{aspect-ratio:1}
  .record .shot{width:200px;border-radius:18px}
  .record h2{margin-bottom:14px}
  .record p{font-size:15px;line-height:1.9;max-width:480px}
  .faq{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
  .faq h3{font-size:15px}.faq p{font-size:14px}
  footer{flex-direction:row;justify-content:space-between;align-items:center;padding:36px 0 56px}
}
@media (prefers-reduced-motion:no-preference){.frame{transition:transform .35s ease-out}}