:root{color-scheme:light;--paper:#f7f2eb;--ink:#584b58;--muted:#776b74;--lavender:#71617f;--line:#ded4cf;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;font-size:16px}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation}
a:focus-visible{outline:3px solid #9272ab;outline-offset:5px}
h1,h2,.brand{font-family:"Hiragino Mincho ProN","Yu Mincho",serif;font-weight:500}
.site-header{max-width:1160px;margin:auto;padding:24px 36px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}
.brand{display:flex;flex-direction:column;gap:5px;font-size:23px;letter-spacing:.12em}
.brand small{font-size:10px;letter-spacing:.15em;text-align:center}
.brand-moon{color:#a58daf}
.home-link{min-height:44px;display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}
.home-link:hover,.open-image:hover,.character-link:hover{text-decoration:underline;text-underline-offset:5px}
main{max-width:900px;margin:0 auto;padding:0 32px}
.intro{text-align:center;padding:54px 0 42px}
.eyebrow{margin:0 0 15px;color:var(--lavender);font-size:11px;font-weight:600;letter-spacing:.3em}
h1{margin:0;font-size:clamp(28px,4vw,38px);letter-spacing:.1em;line-height:1.6}
.lead{margin:18px 0 0;font-size:14px;line-height:2.1;letter-spacing:.03em}
.mobile-break{display:none}
.wallpapers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:64px;max-width:660px;margin:auto;scroll-margin-top:24px}
.wallpaper{text-align:center;min-width:0}
.preview{display:block;max-width:260px;margin:auto;border-radius:12px;box-shadow:0 12px 32px #57404d18;overflow:hidden;background:#e1d4c8;line-height:0}
.preview-night{background:#343141}
.preview img{display:block;width:100%;height:auto;aspect-ratio:853 / 1844}
.wallpaper-caption{padding-top:22px}
.time-label{font-size:10px;letter-spacing:.2em;color:var(--muted);margin:0 0 6px}
.time-label span{font-size:15px;vertical-align:-1px;margin-right:5px}
.wallpaper h2{margin:0 0 8px;font-size:25px;letter-spacing:.12em;line-height:1.6}
.file-detail{margin:0 0 20px;font-size:11px;letter-spacing:.02em;color:var(--muted)}
.save-button{display:flex;align-items:center;justify-content:center;gap:12px;min-height:50px;max-width:260px;margin:auto;padding:12px 20px;background:var(--lavender);border:1px solid var(--lavender);border-radius:28px;color:#fffaf4;font-size:14px;letter-spacing:.08em}
.save-button:hover{background:#5e4f6a;border-color:#5e4f6a}
.save-button span{font-size:19px}
.open-image{display:inline-flex;align-items:center;min-height:44px;gap:6px;font-size:12px;color:var(--muted);margin-top:4px}
.guide{max-width:660px;margin:48px auto 0;padding:30px 0 28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.guide h2{font-size:15px;letter-spacing:.06em;margin:0 0 9px}
.guide p{font-size:12px;line-height:2;margin:0;color:var(--muted)}
.terms{margin-top:22px}
.return-links{display:flex;flex-direction:column;align-items:center;gap:8px;margin:32px 0 12px}
.room-link{display:inline-flex;align-items:center;justify-content:center;gap:13px;min-height:48px;padding:10px 26px;border:1px solid #b8a68f;background:#f3e7d5;border-radius:28px;font-size:14px}
.room-link:hover{background:#ecdcc4}
.character-link{display:inline-flex;align-items:center;gap:6px;min-height:44px;font-size:12px;color:var(--muted)}
.site-footer{text-align:center;padding:22px 20px max(32px,env(safe-area-inset-bottom));color:var(--muted)}
.site-footer p{font-family:"Hiragino Mincho ProN","Yu Mincho",serif;font-size:13px;letter-spacing:.13em;margin:0 0 16px}
.site-footer small{font-size:10px;letter-spacing:.05em}
.skip-link{position:fixed;left:16px;top:-80px;padding:12px 20px;background:var(--ink);color:white;z-index:5;border-radius:8px}
.skip-link:focus{top:12px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
@media(max-width:600px){.site-header{padding:19px 20px;gap:10px}.brand{font-size:19px;letter-spacing:.08em}.brand small{font-size:9px}.home-link{font-size:11px;gap:3px}main{padding:0 24px}.intro{padding:40px 0 35px}.lead{font-size:12px;line-height:2.1;margin-top:15px}.mobile-break{display:block}.wallpapers{grid-template-columns:1fr;gap:46px}.preview{max-width:280px}.save-button{max-width:280px}.wallpaper-caption{padding-top:20px}.wallpaper h2{font-size:24px}.guide{margin-top:32px;padding:25px 0}.guide p{font-size:12px}.guide br{display:none}.return-links{margin-top:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}