:root{
  --paper:#f4f1e9; --card:#fbf9f3; --ink:#1b2330; --ink-soft:#4d5768;
  --line:#dcd5c4; --brass:#a9762e; --slate:#43607a;
  --ok:#3d7a56; --ok-bg:#e6efe8; --no:#a8402f; --no-bg:#f5e3de;
  --shadow:0 1px 2px rgba(27,35,48,.05),0 6px 18px rgba(27,35,48,.06);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#11141b; --card:#191d26; --ink:#e9e6dc; --ink-soft:#a3abb9;
    --line:#2b313e; --brass:#d3a45e; --slate:#82a9c7;
    --ok:#6dc192; --ok-bg:#1a2e24; --no:#e28b76; --no-bg:#33211e;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  --paper:#11141b; --card:#191d26; --ink:#e9e6dc; --ink-soft:#a3abb9;
  --line:#2b313e; --brass:#d3a45e; --slate:#82a9c7;
  --ok:#6dc192; --ok-bg:#1a2e24; --no:#e28b76; --no-bg:#33211e;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:"Noto Sans JP",system-ui,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
b,strong{font-weight:700}

.top{border-bottom:1px solid var(--line)}
.top-in,.tabs-in,.wrap,footer{max-width:820px;margin:0 auto;padding-left:18px;padding-right:18px}
.top-in{display:flex;justify-content:space-between;align-items:flex-end;padding-top:22px;padding-bottom:14px;gap:12px}
.kicker{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--brass);margin:0}
h1{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:900;font-size:clamp(1.35rem,4.4vw,1.85rem);margin:.1em 0 0;letter-spacing:.02em}
.top-right{display:flex;gap:7px;flex-shrink:0}
.chip{background:var(--card);border:1px solid var(--line);color:var(--ink-soft);border-radius:20px;
  padding:5px 13px;font-family:inherit;font-size:.78rem;cursor:pointer;white-space:nowrap}
.chip.icon{padding:5px 10px}
.chip:hover{border-color:var(--slate)}
.chip.busy{opacity:.5;cursor:progress}

.tabs{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--paper) 92%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.tabs-in{display:flex;gap:2px;padding-left:10px;padding-right:10px}
.tabs button{flex:1;background:none;border:none;cursor:pointer;padding:12px 3px 10px;
  font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;font-size:.83rem;color:var(--ink-soft);
  border-bottom:2.5px solid transparent}
.tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--brass)}
:focus-visible{outline:2px solid var(--slate);outline-offset:2px;border-radius:4px}

.wrap{padding-bottom:80px}
.panel{padding-top:24px}
.panel[hidden]{display:none}
h2.sec{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;font-size:1.08rem;margin:34px 0 3px;letter-spacing:.02em}
.panel > h2.sec:first-child,#dashHead + h2.sec{margin-top:6px}
.sec-lead{color:var(--ink-soft);font-size:.85rem;margin:0 0 16px}

/* dashboard head */
.head-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:6px}
@media(max-width:560px){.head-grid{grid-template-columns:repeat(2,1fr)}}
.tile{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:13px 10px;text-align:center;box-shadow:var(--shadow)}
.tile .n{font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:1.5rem;font-variant-numeric:tabular-nums;line-height:1.2}
.tile .l{font-size:.7rem;color:var(--ink-soft);margin-top:1px}
.countdown{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.countdown .l{color:var(--paper);opacity:.65}

/* bars */
.bars{display:flex;flex-direction:column;gap:12px}
.bar-row{font-size:.83rem}
.bar-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:4px}
.bar-name{font-weight:500}
.bar-w{font-family:"IBM Plex Mono",monospace;font-size:.68rem;color:var(--ink-soft);border:1px solid var(--line);
  border-radius:10px;padding:0 6px;margin-left:6px;white-space:nowrap}
.bar-num{font-family:"IBM Plex Mono",monospace;color:var(--ink-soft);font-variant-numeric:tabular-nums;font-size:.78rem;white-space:nowrap}
.track{height:9px;background:var(--line);border-radius:6px;overflow:hidden;cursor:pointer}
.fill{height:100%;border-radius:6px;transition:width .45s ease}

/* plan */
.week{background:var(--card);border:1px solid var(--line);border-radius:10px;margin-bottom:9px;box-shadow:var(--shadow);overflow:hidden}
.week>summary{list-style:none;cursor:pointer;padding:13px 15px;display:flex;align-items:center;gap:11px}
.week>summary::-webkit-details-marker{display:none}
.wk-no{font-family:"IBM Plex Mono",monospace;font-weight:600;color:var(--brass);font-size:.75rem;flex-shrink:0}
.wk-title{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;font-size:.94rem;flex:1;line-height:1.45}
.wk-body{padding:0 15px 15px;border-top:1px solid var(--line)}
.wk-body ul{margin:11px 0 0;padding-left:1.15em}
.wk-body li{margin-bottom:4px;font-size:.87rem}
.wk-links{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}

/* facts */
.facts{display:flex;flex-direction:column;gap:8px}
.fact{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--brass);
  border-radius:0 9px 9px 0;padding:11px 14px;font-size:.86rem;box-shadow:var(--shadow)}
.fact b{font-family:"Zen Kaku Gothic New",sans-serif;color:var(--brass)}

/* picks */
.picks{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.pick-row{display:flex;flex-wrap:wrap;gap:6px}
.pick-row button{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:5px 12px;
  cursor:pointer;font-family:inherit;font-size:.78rem;color:var(--ink-soft)}
.pick-row button[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* question */
.qcard{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px 18px;box-shadow:var(--shadow)}
.qmeta{display:flex;justify-content:space-between;align-items:center;gap:8px;
  font-family:"IBM Plex Mono",monospace;font-size:.7rem;color:var(--ink-soft);letter-spacing:.04em;margin-bottom:11px}
.qmeta .cat{color:var(--brass);font-weight:600}
.qtag{border:1px solid var(--line);border-radius:10px;padding:0 6px;margin-left:5px}
.qtext{font-size:1rem;font-weight:500;margin:0 0 16px;text-wrap:pretty}
.qtype{display:inline-block;font-family:"Zen Kaku Gothic New",sans-serif;font-size:.68rem;font-weight:700;
  letter-spacing:.06em;color:#fff;background:var(--slate);border-radius:4px;padding:1px 7px;margin-right:7px;vertical-align:.14em}
.qtype.t-cnt{background:var(--no)}
.qtype.t-ox{background:var(--ok)}

.stlist{display:flex;flex-direction:column;gap:7px;margin:0 0 16px;padding:0;list-style:none}
.stlist li{display:flex;gap:9px;font-size:.9rem;background:var(--paper);border:1px solid var(--line);
  border-radius:8px;padding:9px 12px;line-height:1.65}
.stlist .mk{font-family:"IBM Plex Mono",monospace;font-weight:600;color:var(--ink-soft);flex-shrink:0}
.stlist li.r-ok{border-color:var(--ok);background:var(--ok-bg)}
.stlist li.r-no{border-color:var(--no);background:var(--no-bg)}
.stlist li .verd{margin-left:auto;font-weight:700;font-size:.8rem;flex-shrink:0}
.stlist li.r-ok .verd{color:var(--ok)}
.stlist li.r-no .verd{color:var(--no)}

.opts{display:flex;flex-direction:column;gap:7px}
.opts button{text-align:left;background:var(--paper);border:1px solid var(--line);border-radius:9px;
  padding:10px 13px;cursor:pointer;font-family:inherit;font-size:.9rem;color:var(--ink);display:flex;gap:9px;line-height:1.6}
.opts button:hover:not(:disabled){border-color:var(--slate)}
.opts button:disabled{cursor:default}
.opts button .mk{font-family:"IBM Plex Mono",monospace;font-weight:600;color:var(--ink-soft);flex-shrink:0}
.opts button.correct{background:var(--ok-bg);border-color:var(--ok)}
.opts button.correct .mk{color:var(--ok)}
.opts button.wrong{background:var(--no-bg);border-color:var(--no)}
.opts button.wrong .mk{color:var(--no)}
.opts.ox{flex-direction:row}
.opts.ox button{flex:1;justify-content:center;font-size:1.05rem;font-weight:700;padding:13px}
.opts.cnt{flex-direction:row;flex-wrap:wrap}
.opts.cnt button{flex:1;min-width:64px;justify-content:center;font-weight:700}

.expl{margin-top:15px;padding:12px 14px;border-left:3px solid var(--brass);background:var(--paper);
  border-radius:0 8px 8px 0;font-size:.86rem}
.verdict{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;font-size:.78rem;letter-spacing:.08em;display:block;margin-bottom:3px}
.v-ok{color:var(--ok)} .v-no{color:var(--no)}
.st-expl{margin:9px 0 0;padding:0;list-style:none;font-size:.82rem;border-top:1px solid var(--line);padding-top:9px}
.st-expl li{display:flex;gap:7px;margin-bottom:5px}
.st-expl .mk{font-family:"IBM Plex Mono",monospace;font-weight:600;flex-shrink:0}

.qnav{display:flex;gap:9px;margin-top:15px;flex-wrap:wrap}
.btn{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;font-size:.88rem;cursor:pointer;
  border-radius:9px;padding:10px 18px;border:1px solid var(--ink);background:var(--ink);color:var(--paper)}
.btn.ghost{background:none;color:var(--ink)}
.btn.small{font-size:.78rem;padding:6px 13px;border-radius:16px}
.btn:disabled{opacity:.4;cursor:default}

/* KPI */
.hero{display:flex;align-items:center;gap:18px;background:var(--card);border:1px solid var(--line);
  border-radius:12px;padding:18px 20px;box-shadow:var(--shadow);flex-wrap:wrap}
.hero-n{font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:3.4rem;line-height:1;font-variant-numeric:tabular-nums}
.hero-u{font-family:"Zen Kaku Gothic New",sans-serif;font-size:1rem;font-weight:700;margin-left:4px}
.hero-side{flex:1;min-width:170px}
.hero-gap{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;font-size:1.02rem}
.hero-sub{font-size:.78rem;color:var(--ink-soft);margin-top:2px}

.gauge{margin:12px 0 4px}
.gauge-track{position:relative;height:12px;background:var(--line);border-radius:7px;overflow:visible}
.gauge-fill{height:100%;border-radius:7px;transition:width .5s ease}
.gauge-line{position:absolute;top:-5px;bottom:-5px;width:2px;background:var(--ink)}
.gauge-legend{position:relative;display:flex;justify-content:space-between;font-family:"IBM Plex Mono",monospace;
  font-size:.68rem;color:var(--ink-soft);margin-top:9px;height:14px}
.gl-mark{position:absolute;transform:translateX(-50%);white-space:nowrap;color:var(--ink);font-weight:600}

.chart{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:14px 12px;
  box-shadow:var(--shadow);overflow-x:auto}
.chart svg{display:block;width:100%;min-width:520px;height:auto;font-family:"Noto Sans JP",system-ui,sans-serif}
.chart .empty{min-width:0;padding:6px 4px}

.tbl-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:11px;box-shadow:var(--shadow)}
.tbl{border-collapse:collapse;width:100%;min-width:440px;font-size:.83rem}
.tbl th{text-align:left;font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;font-size:.72rem;
  color:var(--ink-soft);padding:9px 10px;border-bottom:1px solid var(--line);line-height:1.35;white-space:nowrap}
.tbl td{padding:9px 10px;border-bottom:1px solid var(--line)}
.tbl tr:last-child td{border-bottom:none}
.tbl .num{text-align:right;font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums;white-space:nowrap}

.who{font-size:.75rem;color:var(--ink-soft);align-self:center;max-width:130px;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.gbtn-wrap{display:flex;justify-content:center;padding:6px 0}

@media(max-width:420px){
  .tabs button{font-size:.76rem;padding-left:1px;padding-right:1px}
  .hero-n{font-size:2.8rem}
}

/* 模試 */
.mockbar{display:flex;align-items:center;gap:10px;background:var(--ink);color:var(--paper);
  border-radius:10px;padding:9px 14px;margin-bottom:12px;flex-wrap:wrap;box-shadow:var(--shadow)}
.mock-tag{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;font-size:.72rem;letter-spacing:.1em;
  border:1px solid currentColor;border-radius:4px;padding:0 7px}
.mock-clock{font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:1.25rem;font-variant-numeric:tabular-nums}
.mock-clock.urgent{color:#ff9d84}
.mock-prog{font-size:.74rem;opacity:.75;margin-left:auto}
.mockbar .btn{border-color:currentColor;background:none;color:inherit}

.opts button.picked{border-color:var(--brass);background:color-mix(in srgb,var(--brass) 14%,transparent);font-weight:700}
.mockgrid{display:grid;grid-template-columns:repeat(10,1fr);gap:5px;margin:14px 0}
@media(max-width:480px){.mockgrid{grid-template-columns:repeat(8,1fr)}}
.mg{aspect-ratio:1;border:1px solid var(--line);background:var(--card);color:var(--ink-soft);
  border-radius:6px;font-family:"IBM Plex Mono",monospace;font-size:.7rem;cursor:pointer;padding:0}
.mg.done{background:var(--slate);color:#fff;border-color:var(--slate)}
.mg.flag{box-shadow:inset 0 0 0 2px var(--brass)}
.mg.cur{outline:2px solid var(--ink);outline-offset:1px}

.result{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px 18px;
  text-align:center;box-shadow:var(--shadow);margin-bottom:8px}
.res-score{font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:3.6rem;line-height:1;font-variant-numeric:tabular-nums}
.res-u{font-size:1.1rem;color:var(--ink-soft);margin-left:6px}
.res-word{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;font-size:1.05rem;margin-top:8px}
.res-sub{font-size:.78rem;color:var(--ink-soft);margin-top:3px}

.genrow{display:flex;flex-wrap:wrap;gap:6px;margin-top:11px}

/* figures */
.figbox{background:var(--card);border:1px solid var(--line);border-radius:11px;margin-bottom:11px;box-shadow:var(--shadow);overflow:hidden}
.figbox>summary{list-style:none;cursor:pointer;padding:13px 15px;display:flex;align-items:center;gap:10px}
.figbox>summary::-webkit-details-marker{display:none}
.fig-t{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;font-size:.95rem;flex:1}
.fig-i{color:var(--brass);font-family:"IBM Plex Mono",monospace;font-size:.72rem;flex-shrink:0}
.fig-body{padding:4px 15px 16px;border-top:1px solid var(--line)}
.fig-cap{font-size:.84rem;color:var(--ink-soft);margin:11px 0 12px}
.fig-svg{overflow-x:auto;-webkit-overflow-scrolling:touch}
.fig-svg svg{display:block;width:100%;min-width:560px;height:auto;font-family:"Noto Sans JP",system-ui,sans-serif}

/* coach */
.coach-out{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:18px;box-shadow:var(--shadow);
  font-size:.9rem;white-space:pre-wrap;line-height:1.9}
.coach-out h3{font-family:"Zen Kaku Gothic New",sans-serif;font-size:.98rem;margin:16px 0 5px;color:var(--brass)}
.coach-out h3:first-child{margin-top:0}
.note{font-size:.8rem;color:var(--ink-soft);margin:12px 0 0}
.empty{color:var(--ink-soft);font-size:.87rem}
.err{color:var(--no);font-size:.85rem;background:var(--no-bg);border:1px solid var(--no);border-radius:8px;padding:10px 13px}

footer{padding-top:18px;padding-bottom:26px;color:var(--ink-soft);font-size:.73rem;border-top:1px solid var(--line);line-height:1.8}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}