:root{
  --bg:#f3f1ec; --card:#fcfbf8; --ink:#1f2530; --muted:#6a7180; --line:#dcd8cf; --accent:#2f4a7c; --accent-ink:#fff;
  --gold:#a06a0b; --gold-bg:#f6ecd6; --danger:#a93a32;
  --serif:"Hiragino Mincho ProN","Yu Mincho",serif;
  --sans:-apple-system,"Hiragino Sans","Noto Sans JP",sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#14171d; --card:#1d2129; --ink:#e8e9ec; --muted:#9aa2b1; --line:#333945; --accent:#8fb0e6; --accent-ink:#10141b;
  --gold:#e4b45a; --gold-bg:#3a2e16; --danger:#ef9a92; color-scheme:dark;
}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.75;-webkit-text-size-adjust:100%}
[hidden]{display:none!important}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
input,textarea{font:inherit;color:inherit}
input[type=email],input[type=password],input[type=search],#template{width:100%;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:17px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.cover{position:fixed;inset:0;background:var(--bg);z-index:100}
.center{min-height:100dvh;display:flex;flex-direction:column;justify-content:center;gap:16px;width:min(360px,100%);margin:0 auto;padding:24px}
.brand{font-family:var(--serif);font-weight:600;font-size:34px;margin:0 0 8px;text-align:center}
.stack{display:grid;gap:8px}
.stack label{font-size:14px;color:var(--muted)}
.primary{background:var(--accent);color:var(--accent-ink);border-radius:8px;padding:12px 16px;font-weight:600}
.big{padding:16px}
.ghost{padding:8px 10px;border-radius:8px;color:var(--accent)}
.danger{color:var(--danger)}
.msg{color:var(--danger);font-size:15px;text-align:center;min-height:1.5em;margin:0}
.note{color:var(--muted);font-size:14px;margin:0}

.top{position:sticky;top:0;z-index:10;background:var(--bg);display:flex;align-items:center;gap:2px;
  padding:calc(env(safe-area-inset-top,0px) + 6px) max(8px,env(safe-area-inset-right,0px),calc(50vw - 368px)) 6px max(8px,env(safe-area-inset-left,0px),calc(50vw - 368px));border-bottom:1px solid var(--line)}
.nav{width:40px;height:44px;font-size:26px;line-height:1;color:var(--accent);flex:none}
.nav.icon{font-size:22px}
.title{flex:1;min-width:0;text-align:left;padding:0 4px;display:flex;flex-direction:column;line-height:1.25}
.date{font-family:var(--serif);font-weight:600;font-size:22px;white-space:nowrap}
.sub{font-size:13px;color:var(--muted);white-space:nowrap}
.date-input{position:absolute;width:1px;height:1px;opacity:0;left:50%;top:40px;border:0;padding:0}

.page{max-width:720px;margin:0 auto;padding:12px max(16px,env(safe-area-inset-right,0px)) calc(env(safe-area-inset-bottom,0px) + 80px) max(16px,env(safe-area-inset-left,0px));display:grid;gap:12px;grid-template-columns:minmax(0,1fr)}
.missing{background:var(--gold-bg);color:var(--gold);border-radius:8px;padding:10px 14px;text-align:left;font-weight:600}
.yt{background:var(--card);border-left:3px solid var(--gold);padding:8px 12px;display:grid;gap:0}
.yt-label{font-size:13px;color:var(--gold);font-weight:700}
.yt-text{white-space:pre-wrap;overflow-wrap:anywhere}
.conflict{background:var(--gold-bg);border-radius:8px;padding:12px 14px;display:grid;gap:8px}
.conflict .row{display:flex;gap:8px;flex-wrap:wrap}
.conflict pre{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;max-height:30vh;overflow:auto}
.today-card{background:var(--card);border-radius:10px;padding:14px;display:grid;gap:10px}
.editor{width:100%;border:0;background:none;resize:none;outline:0;line-height:1.8;font-size:17px;min-height:220px;overflow:hidden;padding:0}
.photos{display:flex;flex-wrap:wrap;gap:6px}
.photos:empty{display:none}
.photos button,.past-photos button{width:84px;height:84px;border-radius:6px;overflow:hidden;background:var(--line)}
.photos img,.past-photos img{width:100%;height:100%;object-fit:cover;display:block}
.meta{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:14px;line-height:1.4;padding:6px 10px;border:1px solid var(--line);border-radius:99px;color:var(--muted);cursor:pointer}
.chip:empty{display:none}
.chip[aria-pressed=true]{color:var(--gold);border-color:var(--gold);background:var(--gold-bg)}
.save{font-size:13px;color:var(--muted);margin:0;min-height:1.4em}
.save.warn{color:var(--gold);font-weight:600}

.past{display:grid;gap:18px;margin-top:10px}
.past-item{display:grid;gap:4px;min-width:0}
.past-head{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.past-year{font-family:var(--serif);font-weight:600;font-size:19px}
.past-ago{font-size:14px;color:var(--muted)}
.past-mark{font-size:13px;color:var(--muted)}
.past-body{white-space:pre-wrap;overflow-wrap:anywhere;text-align:left;width:100%;display:block}
.past-edit{width:100%;border:1px solid var(--line);border-radius:8px;background:var(--card);padding:10px;resize:none;overflow:hidden;line-height:1.75}
.past-photos{display:flex;gap:6px;flex-wrap:wrap}
.past-tools{display:flex;gap:6px;align-items:center}
.empty{color:var(--muted);text-align:center;font-size:15px;margin:8px 0}

.sheet{position:fixed;inset:0;z-index:20;background:var(--bg);overflow:auto;-webkit-overflow-scrolling:touch;padding:calc(env(safe-area-inset-top,0px) + 10px) max(16px,env(safe-area-inset-right,0px)) calc(env(safe-area-inset-bottom,0px) + 24px) max(16px,env(safe-area-inset-left,0px))}
.sheet>*{max-width:720px;margin-left:auto;margin-right:auto}
.sheet-head{display:flex;align-items:center;gap:8px;justify-content:space-between;margin-bottom:12px}
.sheet-head h2{font-family:var(--serif);font-weight:600;font-size:24px;margin:0}
.group{display:grid;gap:8px;margin-bottom:28px;justify-items:start}
.group h3{margin:0;font-size:16px}
.group>#template{justify-self:stretch}
.result{display:block;width:100%;text-align:left;padding:10px 0;border-bottom:1px solid var(--line)}
.result b{font-family:var(--serif);font-weight:600}
.result span{display:block;overflow-wrap:anywhere}
mark{background:var(--gold-bg);color:inherit}
.version{padding:12px 0;border-bottom:1px solid var(--line);display:grid;gap:6px;justify-items:start}
.version pre{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;margin:0;justify-self:stretch}
.viewer{position:fixed;inset:0;z-index:30;background:#000;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}
.viewer img{max-width:100%;max-height:85dvh}
.viewer .ghost{color:#fff}
audio{max-width:100%;height:40px}