:root{
  --bg:#EEF1F4;--surface:#FFFFFF;--surface-sunken:#E2E7EE;--line:#D3D9E0;--line-strong:#B9C2CD;
  --ink:#222B38;--ink-2:#556070;--ink-3:#6B7685;
  --accent:#4A5FA8;--accent-hover:#3D5096;--accent-soft:#EAEEF8;--on-accent:#FFFFFF;
  --yes:#3E7C86;--maybe:#8C6A2C;--no:#A8606B;--yes-soft:#E3EFF0;--maybe-soft:#F3ECDF;--no-soft:#F4E6E8;
  --danger:#A8434F;--danger-soft:#F6E5E7;
  --pop:0 8px 24px rgb(0 0 0 / .10);
  --font:"Inter","Noto Sans JP",system-ui,-apple-system,"Hiragino Sans","Yu Gothic UI",sans-serif;
  --ease:cubic-bezier(.2,.8,.2,1);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#12161C;--surface:#1A2029;--surface-sunken:#222935;--line:#2C3440;--line-strong:#3A4452;
    --ink:#E6EAF0;--ink-2:#A9B3C1;--ink-3:#8792A2;
    --accent:#8A9EE0;--accent-hover:#A3B4EA;--accent-soft:#232C40;--on-accent:#12161C;
    --yes:#6FB3BC;--maybe:#D9B06A;--no:#D98E98;--yes-soft:#1E3236;--maybe-soft:#352D1F;--no-soft:#3A2629;
    --danger:#E08A94;--danger-soft:#3A2629;
    --pop:0 8px 24px rgb(0 0 0 / .35);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#12161C;--surface:#1A2029;--surface-sunken:#222935;--line:#2C3440;--line-strong:#3A4452;
  --ink:#E6EAF0;--ink-2:#A9B3C1;--ink-3:#8792A2;
  --accent:#8A9EE0;--accent-hover:#A3B4EA;--accent-soft:#232C40;--on-accent:#12161C;
  --yes:#6FB3BC;--maybe:#D9B06A;--no:#D98E98;--yes-soft:#1E3236;--maybe-soft:#352D1F;--no-soft:#3A2629;
  --danger:#E08A94;--danger-soft:#3A2629;
  --pop:0 8px 24px rgb(0 0 0 / .35);
  color-scheme:dark;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;background:var(--bg);color:var(--ink);font:400 15px/1.75 var(--font);font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit;color:inherit}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
main:focus{outline:none}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.ic{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}

/* layout */
.topbar{display:flex;align-items:center;justify-content:space-between;max-width:1024px;margin:0 auto;padding:20px 32px}
.logo{display:inline-flex;align-items:center;gap:.42em;font-family:Inter,sans-serif;font-weight:500;letter-spacing:.06em;font-size:18px;line-height:1;color:var(--ink);text-decoration:none}
.logo svg{width:1.15em;height:1.15em;flex-shrink:0}
.icon-btn{width:36px;height:36px;border-radius:8px;border:1px solid var(--line);background:var(--surface);cursor:pointer;display:inline-grid;place-items:center;color:var(--ink-2);transition:border-color .15s var(--ease),color .15s var(--ease)}
.icon-btn:hover:not(:disabled){border-color:var(--line-strong);color:var(--ink)}
.icon-btn:disabled{opacity:.4;cursor:default}
.page{max-width:640px;margin:0 auto;padding:16px 24px 72px}
.page.wide{max-width:960px;padding-left:32px;padding-right:32px}

/* type */
h1{font-size:28px;line-height:1.35;font-weight:500;margin:0;overflow-wrap:anywhere}
h2{font-size:18px;line-height:1.5;font-weight:500;margin:0}
.sub{color:var(--ink-2);margin:6px 0 0}
.memo{color:var(--ink-2);margin:8px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}
.meta{color:var(--ink-3);font-size:13px;margin-top:10px;display:flex;gap:8px 12px;flex-wrap:wrap}
.hint{font-size:12px;color:var(--ink-3);margin:0}
.error-text{font-size:13px;color:var(--danger);margin:6px 0 0}

/* forms */
.field{display:block;margin:0 0 24px}
.field-label{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:14px;font-weight:500;margin-bottom:8px}
.field-label small{font-weight:400;color:var(--ink-3);margin-left:6px}
.input,.textarea{width:100%;height:44px;padding:0 14px;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface);transition:border-color .15s var(--ease),box-shadow .15s var(--ease)}
.textarea{height:auto;min-height:88px;padding:10px 14px;resize:vertical;line-height:1.6}
.input::placeholder,.textarea::placeholder{color:var(--ink-3)}
.input:focus,.textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.input[aria-invalid="true"],.textarea[aria-invalid="true"]{border-color:var(--danger)}
.input[readonly]{color:var(--ink-2);background:var(--surface)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;cursor:pointer;margin-bottom:16px}
.check input{width:18px;height:18px;margin:3px 0 0;accent-color:var(--accent);flex-shrink:0}
.check span small{display:block;color:var(--ink-3);font-size:12px}

/* buttons */
.btn{height:44px;padding:0 20px;border-radius:8px;border:1px solid transparent;cursor:pointer;font-weight:500;font-size:14px;transition:background .15s var(--ease),border-color .15s var(--ease),color .15s var(--ease);display:inline-flex;align-items:center;gap:8px;justify-content:center;white-space:nowrap;flex-shrink:0;text-decoration:none;color:var(--ink)}
.btn:disabled{opacity:.55;cursor:default}
.btn-primary{background:var(--accent);color:var(--on-accent)}
.btn-primary:hover:not(:disabled){background:var(--accent-hover)}
.btn-secondary{background:transparent;border-color:var(--line-strong)}
.btn-secondary:hover:not(:disabled){border-color:var(--ink-3)}
.btn-text{background:none;color:var(--ink-2);padding:0 8px;height:36px;font-weight:400}
.btn-text:hover{color:var(--ink)}
.btn-danger{background:transparent;color:var(--danger);border-color:color-mix(in srgb,var(--danger) 45%,transparent)}
.btn-danger:hover{background:var(--danger-soft)}
.btn-sm{height:36px;padding:0 14px;font-size:13px}
.btn-block{width:100%}
.btn-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.link-btn{background:none;border:0;padding:0;color:var(--ink-2);font-size:13px;cursor:pointer;text-decoration:none}
.link-btn:hover{color:var(--ink)}

/* segmented */
.seg{display:inline-flex;border:1px solid var(--line-strong);border-radius:8px;overflow:hidden;background:var(--surface)}
.seg button{height:36px;padding:0 14px;border:0;background:transparent;cursor:pointer;font-size:13px;color:var(--ink-2);white-space:nowrap}
.seg button+button{border-left:1px solid var(--line)}
.seg button[aria-pressed="true"]{background:var(--accent-soft);color:var(--accent);font-weight:500}

/* card */
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px}
.card-pad{padding:20px 24px}

/* candidate picker */
.cq{container-type:inline-size}
.cand-box{display:grid;grid-template-columns:280px minmax(0,1fr)}
.cand-box>.cal{border-right:1px solid var(--line)}
@container (max-width:600px){.cand-box{grid-template-columns:1fr}.cand-box>.cal{border-right:0;border-bottom:1px solid var(--line)}}
.cal{padding:16px}
.cal-head{display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:500;margin-bottom:8px}
.cal-head .icon-btn{width:30px;height:30px}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:2px;text-align:center;font-size:13px}
.cal-grid .dow{color:var(--ink-3);font-size:11px;padding:4px 0}
.cal-grid .dow.sun{color:var(--no)}
.cal-grid .d{width:34px;height:34px;margin:0 auto;border-radius:999px;display:grid;place-items:center;cursor:pointer;border:0;background:none;transition:background .15s var(--ease)}
.cal-grid .d:hover{background:var(--surface-sunken)}
.cal-grid .d.past{color:var(--ink-3);opacity:.45;cursor:default}
.cal-grid .d.past:hover{background:none}
.cal-grid .d.today{box-shadow:inset 0 0 0 1px var(--line-strong)}
.cal-grid .d[aria-pressed="true"]{background:var(--accent);color:var(--on-accent);font-weight:500}
.cand-side{display:flex;flex-direction:column;min-width:0}
.time-row{display:flex;align-items:center;justify-content:space-between;padding:16px 16px 0;gap:8px;flex-wrap:wrap}
.time-row .input{width:110px;height:36px}
.chips{display:flex;flex-direction:column;gap:8px;padding:16px;margin:0;list-style:none}
.chip{display:flex;align-items:center;justify-content:space-between;gap:8px;background:var(--surface-sunken);border-radius:999px;padding:5px 6px 5px 16px;font-size:14px;min-width:0}
.chip span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chip button{width:28px;height:28px;border-radius:999px;border:0;background:transparent;color:var(--ink-3);cursor:pointer;display:grid;place-items:center;flex-shrink:0}
.chip button:hover{background:var(--surface);color:var(--ink)}
.chips-empty{padding:4px 16px 16px;color:var(--ink-3);font-size:13px}
.cand-text{padding:16px}
.disclosure{display:inline-flex;align-items:center;gap:8px;color:var(--ink-2);font-size:14px;background:none;border:0;padding:0;cursor:pointer;margin:0 0 24px}
.disclosure:hover{color:var(--ink)}
.advanced{margin:-8px 0 24px;padding:20px 24px}

/* share */
.share{display:flex;gap:8px}
.share .input{font-size:14px;min-width:0}

/* event header */
.fixed-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;border-radius:12px;background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 25%,transparent);margin-bottom:28px;flex-wrap:wrap}
.fixed-banner strong{display:block;font-weight:500;color:var(--accent);font-size:16px}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:32px 0 12px;flex-wrap:wrap}
.toolbar .left{display:flex;gap:4px;flex-wrap:wrap;margin-left:-8px}

/* attendance table */
.tablewrap{overflow-x:auto;border-radius:12px;border:1px solid var(--line);background:var(--surface)}
table.att{border-collapse:separate;border-spacing:0;width:100%;font-size:14px}
.att th,.att td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:center;white-space:nowrap}
.att tbody tr:last-child>*{border-bottom:0}
.att thead th{background:var(--surface-sunken);font-weight:500;font-size:13px;vertical-align:top}
.att thead th[data-rid]{width:96px;min-width:80px}
.att .who{display:block;color:var(--ink);text-decoration:none;font-weight:500;background:none;border:0;padding:0;margin:0 auto;cursor:pointer;font-size:13px;max-width:96px;overflow:hidden;text-overflow:ellipsis}
.att .who:hover{color:var(--accent)}
.att .note{display:block;font-weight:400;font-size:11px;color:var(--ink-3);max-width:96px;overflow:hidden;text-overflow:ellipsis;margin:0 auto;min-height:1.5em}
.att th:first-child,.att td:first-child{text-align:left;position:sticky;left:0;background:var(--surface);padding-left:20px;min-width:180px;z-index:1}
.att thead th:first-child{background:var(--surface-sunken);z-index:2;vertical-align:middle}
.att tr.best>*{background:var(--accent-soft)}
.att th.total,.att td.total{border-left:1px solid var(--line);width:72px;position:sticky;right:0;background:var(--surface)}
.att thead th.total{background:var(--surface-sunken);vertical-align:middle}
.att .mk{width:18px;height:18px}
.att .flash{animation:flash 2s var(--ease)}
@keyframes flash{0%,60%{background:var(--accent-soft)}100%{background:transparent}}
.choice-cell{display:flex;align-items:center;gap:8px;justify-content:space-between}
.choice-cell .label{overflow:hidden;text-overflow:ellipsis}
.fix-btn{font-size:12px;color:var(--ink-2);background:var(--surface);border:1px solid var(--line-strong);border-radius:999px;padding:2px 10px;cursor:pointer;opacity:0;transition:opacity .15s var(--ease);flex-shrink:0}
.att tr:hover .fix-btn,.fix-btn:focus-visible{opacity:1}
@media (hover:none){.fix-btn{opacity:1}}
.badge{display:inline-block;font-size:11px;font-weight:500;color:var(--accent);background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);border-radius:999px;padding:0 8px;margin-left:8px;line-height:20px;vertical-align:1px;white-space:nowrap}
.att tr.best .badge{background:var(--surface)}
.sum{font-weight:500;color:var(--ink)}
.sum small{display:flex;align-items:center;justify-content:center;gap:2px;font-weight:400;font-size:11px;color:var(--ink-3)}
.att tr.best .sum{color:var(--accent)}
.mk{width:18px;height:18px;display:inline-block;vertical-align:middle;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.mk.sm{width:12px;height:12px;stroke-width:2.4;vertical-align:-1px}
.mk.xs{width:10px;height:10px;stroke-width:2.4}
.m-1{color:var(--yes)}.m-2{color:var(--maybe)}.m-3{color:var(--no)}.m-0{color:var(--ink-3)}

/* empty */
.empty{text-align:center;padding:40px 24px}
.empty p{margin:0 0 16px;color:var(--ink-2)}

/* mobile cards */
.cards{display:none}
.mcard{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px}
.mcard.best{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.mtop{display:flex;justify-content:space-between;align-items:center;gap:8px}
.mtop .date{font-weight:500;overflow-wrap:anywhere}
.counts{font-size:13px;color:var(--ink-2);display:flex;gap:10px;margin-top:4px}
.counts span{display:inline-flex;align-items:center;gap:3px}
.bar{display:flex;height:4px;border-radius:999px;overflow:hidden;background:var(--surface-sunken);margin:10px 0 12px}
.bar i{display:block}
.people{display:flex;flex-wrap:wrap;gap:6px}
.pchip{font-size:12px;border-radius:999px;padding:2px 10px 2px 8px;background:var(--surface-sunken);display:inline-flex;gap:4px;align-items:center;border:0;cursor:pointer;color:var(--ink)}
.more-btn{display:block;margin:12px auto 0}

/* answer panel */
.panel{padding:24px 28px;margin-top:24px;scroll-margin-top:16px}
.panel-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.ans-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:16px;padding:10px 0;border-bottom:1px solid var(--line);scroll-margin-top:24px}
.ans-row:last-child{border-bottom:0}
.ans-row.missing .ans-label{color:var(--danger)}
.ans-label{overflow-wrap:anywhere}
.ans{display:flex;gap:8px}
.ans button{width:48px;height:48px;border-radius:10px;border:1px solid var(--line-strong);background:transparent;cursor:pointer;color:var(--ink-3);display:grid;place-items:center;transition:background .15s var(--ease),border-color .15s var(--ease),color .15s var(--ease)}
.ans button:hover{border-color:var(--ink-3)}
.ans button .mk{width:20px;height:20px}
.ans button[data-mark="1"][aria-checked="true"]{background:var(--yes-soft);border-color:var(--yes);color:var(--yes)}
.ans button[data-mark="2"][aria-checked="true"]{background:var(--maybe-soft);border-color:var(--maybe);color:var(--maybe)}
.ans button[data-mark="3"][aria-checked="true"]{background:var(--no-soft);border-color:var(--no);color:var(--no)}
.panel-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:20px}

/* admin */
.admin-box{margin-top:40px;padding:20px 24px}
.admin-box h2{font-size:16px}
.edit-choices{display:flex;flex-direction:column;gap:8px;margin:0 0 12px;padding:0;list-style:none}
.edit-choices li{display:flex;gap:8px}
.notice{padding:12px 16px;border-radius:8px;background:var(--surface-sunken);color:var(--ink-2);font-size:14px;margin:0 0 16px}
.notice.error{background:var(--danger-soft);color:var(--danger)}

/* toast */
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translateX(-50%);background:var(--ink);color:var(--bg);font-size:13px;padding:8px 18px;border-radius:999px;box-shadow:var(--pop);white-space:nowrap;z-index:50}

/* skeleton */
.loading{color:var(--ink-3);padding:48px 0;text-align:center}

/* sticky cta (mobile) */
.sticky-cta{display:none}

@media (max-width:640px){
  .topbar{padding:16px}
  .page,.page.wide{padding:8px 16px 112px}
  h1{font-size:22px}
  .table-view{display:none}
  .cards{display:block}
  .toolbar .primary{display:none}
  .sticky-cta{display:block;position:fixed;left:0;right:0;bottom:0;padding:12px 16px calc(16px + env(safe-area-inset-bottom));background:var(--bg);border-top:1px solid var(--line);z-index:20}
  .toast{bottom:calc(88px + env(safe-area-inset-bottom))}
  .panel{padding:20px 16px}
  .ans{gap:6px}
  .ans button{width:44px;height:44px}
  .card-pad,.advanced,.admin-box{padding:16px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}}