:root {
  --bg: #f6f1e7; --paper: #fffdf8; --ink: #2b2620; --sub: #6e655a; --line: #e2d8c6;
  --gold: #a8812f; --green: #2f7a4f; --green-bg: #e6f2ea; --amber: #a86a12; --amber-bg: #fbf0dc;
  --gray-bg: #efebe4; --red: #b03a2e; --blue: #2f5f8a; --blue-bg: #e5eef6;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif; font-size: 16px; line-height: 1.6; }
.top { background: var(--paper); border-bottom: 1px solid var(--line); padding: 16px 16px 0; text-align: center; }
.eyebrow { font-size: 13px; color: var(--sub); letter-spacing: .2em; }
h1 { font-family: "Hiragino Mincho ProN", "Yu Mincho", serif; font-size: 26px; margin: 2px 0 10px; letter-spacing: .1em; }
.tabs { display: flex; justify-content: center; gap: 4px; flex-wrap: wrap; }
.tab { border: none; background: none; padding: 10px 16px; font-size: 16px; color: var(--sub); border-bottom: 3px solid transparent; cursor: pointer; }
.tab.on { color: var(--ink); border-bottom-color: var(--gold); font-weight: bold; }
.tab:disabled { opacity: .45; cursor: default; }
.tab small { display: block; font-size: 11px; }
main { max-width: 1000px; margin: 0 auto; padding: 16px; }

.login { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 28px; max-width: 360px; margin: 40px auto; text-align: center; }
.login input { width: 100%; padding: 12px; font-size: 18px; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 12px; }
.login button, .primary { background: var(--gold); color: #fff; border: none; border-radius: 8px; padding: 12px 22px; font-size: 17px; cursor: pointer; }
.err { color: var(--red); min-height: 1.4em; }

.summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 14px; }
.stat { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.stat .n { font-size: 30px; font-weight: bold; font-variant-numeric: tabular-nums; }
.stat .l { font-size: 13px; color: var(--sub); }
.stat.warn .n { color: var(--amber); }

.sites { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.site { background: var(--paper); border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; font-size: 14px; }
.site .dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; background: var(--green); }
.site.ng .dot { background: var(--red); }
.site.none .dot { background: #bbb; }

.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.chip { border: 1px solid var(--line); background: var(--paper); border-radius: 999px; padding: 8px 16px; font-size: 15px; cursor: pointer; }
.chip.on { background: var(--ink); color: #fff; border-color: var(--ink); }

.list { display: grid; gap: 12px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 16px; display: grid; gap: 8px; }
.card-head { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.sitetag { font-size: 13px; font-weight: bold; padding: 2px 10px; border-radius: 6px; color: #fff; }
.sitetag.jalan { background: #e8600d; } .sitetag.rakuten { background: #bf0000; } .sitetag.ikyu { background: #1d2d50; }
.badge { font-size: 13px; padding: 2px 10px; border-radius: 999px; }
.badge.good { background: var(--green-bg); color: var(--green); font-weight: bold; }
.badge.maybe { background: var(--amber-bg); color: var(--amber); }
.badge.skip { background: var(--gray-bg); color: var(--sub); }
.badge.joined { background: var(--blue-bg); color: var(--blue); }
.badge.check { background: var(--gray-bg); color: var(--sub); border: 1px dashed #c9bfae; }
.badge.soon { background: #fbe5e2; color: var(--red); font-weight: bold; }
.card h2 { font-size: 19px; margin: 0; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 6px 16px; font-size: 14px; }
.facts div span { color: var(--sub); margin-right: 6px; }
.burden { font-size: 15px; }
.burden b { font-size: 20px; font-variant-numeric: tabular-nums; }
.reason { font-size: 14px; color: var(--sub); }
.cond { font-size: 13px; color: var(--sub); background: var(--bg); border-radius: 8px; padding: 8px 10px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.actions button { border-radius: 8px; padding: 10px 18px; font-size: 16px; cursor: pointer; border: 1px solid var(--line); background: var(--paper); }
.actions .join { background: var(--green); color: #fff; border-color: var(--green); }
.decided { font-size: 15px; padding: 8px 12px; border-radius: 8px; background: var(--bg); }
.decided.ok { background: var(--green-bg); color: var(--green); }
.empty { text-align: center; color: var(--sub); padding: 40px 0; }
.foot { font-size: 13px; color: var(--sub); text-align: center; margin-top: 20px; }

dialog { border: none; border-radius: 14px; padding: 22px; max-width: 420px; width: calc(100% - 32px); }
dialog::backdrop { background: rgba(0,0,0,.35); }
dialog h3 { margin: 0 0 6px; }
dialog label { display: block; margin: 12px 0; font-size: 15px; }
dialog select { display: block; width: 100%; padding: 10px; font-size: 17px; margin-top: 4px; border-radius: 8px; border: 1px solid var(--line); }
.dlg-note { font-size: 14px; color: var(--sub); }
.dlg-burden { font-size: 16px; background: var(--bg); padding: 10px; border-radius: 8px; }
.dlg-btns { display: flex; gap: 10px; justify-content: flex-end; margin-top: 10px; }
.ghost { background: none; border: 1px solid var(--line); border-radius: 8px; padding: 12px 20px; font-size: 16px; cursor: pointer; }