:root{--bg:#f6f7fb;--card:#fff;--text:#1c1d24;--muted:#626576;--line:#e1e3ec;--accent:#3d4fa8;--accent-weak:#e8ebf8;--on-accent:#fff;--warn:#a34a12;--warn-weak:#fbeee4}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--bg:#121318;--card:#1c1d24;--text:#ebecf2;--muted:#a3a6b6;--line:#30323d;--accent:#9aa8f0;--accent-weak:#232742;--on-accent:#11142a;--warn:#f0a674;--warn-weak:#33241a}}
:root[data-theme="dark"]{--bg:#121318;--card:#1c1d24;--text:#ebecf2;--muted:#a3a6b6;--line:#30323d;--accent:#9aa8f0;--accent-weak:#232742;--on-accent:#11142a;--warn:#f0a674;--warn-weak:#33241a}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP",sans-serif;line-height:1.7}
a{color:var(--accent)}
header.sh{background:var(--card);border-bottom:1px solid var(--line)}
.sh-in{max-width:760px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:12px}
.sh-logo{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--text);text-decoration:none;font-size:1.05rem}
.sh-logo svg{width:28px;height:28px}
.sh-nav{margin-left:auto;display:flex;gap:14px;font-size:.88rem}
main{max-width:760px;margin:0 auto;padding:20px 16px 48px}
.bc{font-size:.82rem;color:var(--muted);margin-bottom:8px}
.bc a{color:var(--muted)}
h1{font-size:1.55rem;margin:0 0 4px;line-height:1.4}
.lead{color:var(--muted);margin:0 0 20px}
section.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:18px}
h2{font-size:1.12rem;margin:0 0 12px}
h3{font-size:1rem;margin:16px 0 6px}
.big{background:var(--accent-weak);border-radius:10px;padding:16px;text-align:center;font-variant-numeric:tabular-nums}
.big .n{font-size:2.6rem;font-weight:700;color:var(--accent);line-height:1.2}
.big .t{font-size:.98rem}
table{width:100%;border-collapse:collapse;font-size:.92rem;font-variant-numeric:tabular-nums}
th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600;white-space:nowrap;width:8em}
.data th{width:auto}
.data td,.data th{white-space:nowrap;font-size:.85rem}
.data td.num,.data th.num{text-align:right}
.tblwrap{overflow-x:auto}
.sub{color:var(--muted);font-size:.85rem}
.src{color:var(--muted);font-size:.8rem;margin-top:10px}
.note{background:var(--warn-weak);color:var(--text);border-radius:8px;padding:10px 12px;font-size:.88rem}
.note b{color:var(--warn)}
ul.exams{list-style:none;padding:0;margin:0}
ul.exams li{display:flex;align-items:center;gap:10px;padding:10px 4px;border-bottom:1px solid var(--line)}
ul.exams li:last-child{border-bottom:none}
ul.exams .nm{flex:1;min-width:0}
ul.exams .nm a{font-weight:600;text-decoration:none}
ul.exams .nm small{display:block;color:var(--muted);font-size:.8rem}
ul.exams .d{font-weight:700;color:var(--accent);white-space:nowrap;font-variant-numeric:tabular-nums}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.grid a{display:block;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px;text-decoration:none;color:var(--text)}
.grid a b{display:block;color:var(--accent)}
.grid a span{font-size:.82rem;color:var(--muted)}
.grid a.soon{opacity:.55;pointer-events:none}
label{display:block;font-size:.88rem;color:var(--muted);margin:10px 0 4px}
input,select{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 10px;width:100%;font-variant-numeric:tabular-nums}
input:focus,select:focus{outline:2px solid var(--accent);outline-offset:1px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.chart{position:relative}
.chart svg{display:block;width:100%;height:auto;overflow:visible}
.chart .tip{position:absolute;pointer-events:none;background:var(--card);border:1px solid var(--line);border-radius:6px;padding:4px 8px;font-size:.8rem;white-space:nowrap;box-shadow:0 2px 6px rgba(0,0,0,.12);transform:translate(-50%,-100%);display:none}
.pr{display:inline-block;font-size:.72rem;border:1px solid var(--line);border-radius:4px;padding:0 5px;color:var(--muted);margin-left:6px;vertical-align:middle}
.course{border:1px dashed var(--line);border-radius:10px;padding:12px;color:var(--muted);font-size:.9rem}
footer{color:var(--muted);font-size:.8rem;text-align:center;margin-top:28px}
footer a{color:var(--muted);margin:0 6px}
.calnav{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}
.calnav b{font-size:1.15rem}
.calnav button,.chips button{font:inherit;border:1px solid var(--line);background:var(--card);color:var(--text);border-radius:8px;padding:6px 12px;cursor:pointer}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.chips button[aria-pressed="true"]{background:var(--accent-weak);border-color:var(--accent);color:var(--accent);font-weight:600}
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:2px;font-size:.85rem}
.cal .wd{text-align:center;color:var(--muted);font-size:.75rem;padding:2px 0}
.cal .day{min-height:46px;border-radius:6px;padding:3px;background:var(--bg);text-align:left;border:1px solid transparent;font:inherit;color:inherit;cursor:default}
.cal .day.has{cursor:pointer;background:var(--accent-weak)}
.cal .day.today{border-color:var(--accent)}
.cal .day.past{opacity:.5}
.cal .day.sel{outline:2px solid var(--accent)}
.cal .dots{display:flex;flex-wrap:wrap;gap:2px;margin-top:2px}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;flex:none}
.k-exam{background:var(--accent)}
.k-deadline{background:var(--warn)}
.k-result{background:var(--muted)}
.legend{display:flex;flex-wrap:wrap;gap:12px;font-size:.8rem;color:var(--muted);margin-top:8px}
.legend span{display:inline-flex;align-items:center;gap:4px}
ul.evlist{list-style:none;margin:0;padding:0}
ul.evlist li{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);align-items:flex-start}
ul.evlist li:last-child{border-bottom:0}
ul.evlist li.past{opacity:.55}
ul.evlist li.hl{background:var(--accent-weak);border-radius:6px}
ul.evlist .dt{flex:none;width:4.6em;font-weight:600}
ul.evlist .dt small{display:block;font-weight:400;color:var(--muted)}
ul.evlist .bd{flex:1;min-width:0}
ul.evlist .bd a{font-weight:600}
ul.evlist .rem{flex:none;font-size:.8rem;color:var(--muted);white-space:nowrap}
.sh-logo,.sh-nav a{white-space:nowrap}
@media (max-width:420px){.sh-in{gap:8px}.sh-logo{font-size:.98rem;gap:6px}.sh-logo svg{width:24px;height:24px}.sh-nav{gap:10px;font-size:.8rem}}
@media (max-width:359px){.sh-in{flex-wrap:wrap;row-gap:4px}.sh-nav{margin-left:0;width:100%;justify-content:flex-end}}