body{margin:0}:root{--ink:#10233a;--paper:#eef3f7;--panel:#fff;--line:#1d3348;--accent:#0f5c6e;--accent-strong:#0a3f4c;--muted:#5a6b7a;--warn:#9b1c1c;--ok:#146c43;--review:#c2410c;--review-bg:#ffe8cc;--review-soft:#ffedd5;--prep:#0f766e;--prep-bg:#cff5ef;--prep-soft:#99f6e4;--header:#0b2a3d;--shadow:0 16px 36px #10233a1a;color:var(--ink);background:var(--paper);font-family:Hiragino Sans,Noto Sans JP,Yu Gothic UI,sans-serif}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;min-height:100%;margin:0}body{background:radial-gradient(circle at 10% 0,#0f5c6e1f,#0000 42%),linear-gradient(#f4f8fb 0%,#e7eef4 100%)}button,select{font:inherit}.app-shell{gap:18px;width:min(980px,100% - 32px);margin:0 auto;padding:28px 0 48px;display:grid}.app-shell.centered{align-content:center;place-items:center;min-height:100vh}.panel{background:var(--panel);border:2px solid color-mix(in srgb, var(--line) 70%, white);box-shadow:var(--shadow);border-radius:4px;padding:24px}.panel-header h1,.panel-header h2{letter-spacing:.03em;margin:0 0 6px}.panel-header p{color:var(--muted);margin:0}.eyebrow{letter-spacing:.08em;font-size:.85rem;font-weight:800;color:var(--accent)!important;margin:0 0 6px!important}.step-rail{align-items:stretch;gap:6px;margin:20px 0 0;padding:0;list-style:none;display:flex}.step-rail-item{min-width:0;min-height:52px;color:var(--muted);background:#f8fafc;border:2px solid #d5dde5;flex:1 1 0;align-items:center;gap:8px;padding:10px 12px;font-weight:800;display:flex}.step-rail-arrow{min-width:1.1em;color:var(--accent);-webkit-user-select:none;user-select:none;flex:none;place-items:center;font-size:1.35rem;font-weight:800;line-height:1;display:grid}.step-rail-item.is-active{border-color:var(--accent);color:var(--accent-strong);background:#e8f5f7}.step-rail-item.is-done{color:var(--accent-strong);background:#f1fafb;border-color:#86b8c2}.step-num{color:#fff;background:currentColor;border-radius:999px;place-items:center;width:28px;height:28px;font-size:.9rem;display:grid}.step-rail-item.is-todo .step-num{background:#9aa8b5}.field-grid{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:1fr;align-items:stretch;gap:16px;margin:20px 0;display:grid}.field{background:#fbfcfd;border:2px solid #e6edf3;grid-template-rows:auto 1fr;align-content:start;gap:8px;min-height:118px;padding:12px;display:grid}.field.is-current{border-color:var(--accent);background:#eef9fb}.field span{align-items:center;gap:8px;font-weight:800;display:flex}.field span em{background:var(--accent);color:#fff;border-radius:999px;place-items:center;width:22px;height:22px;font-size:.8rem;font-style:normal;display:inline-grid}.field select{border:2px solid var(--line);background:#fff;width:100%;min-height:52px;padding:0 12px;font-size:1.05rem;font-weight:700}.field select:disabled{color:#8a97a4;background:#eef1f4}.project-cta{background:#f7fafc;border:2px solid #c5d0da;grid-template-rows:minmax(3.2em,auto) auto auto;gap:12px;min-height:196px;padding:16px;display:grid}.project-cta.is-ready{border-color:var(--accent);background:#e7f6f8}.cta-status{align-items:center;min-height:3.2em;margin:0;font-size:1.05rem;font-weight:700;line-height:1.4;display:flex}.selection-hint{margin:0;font-size:1.05rem;font-weight:700}.selection-hint.nav-hint{color:#3a5266;min-height:1.4em;font-size:.92rem;font-weight:600}.cta-actions{grid-template-columns:minmax(140px,.7fr) minmax(180px,1.3fr);align-items:stretch;gap:12px;display:grid}.primary-btn,.ghost-btn,.settings-row button{border:2px solid var(--accent-strong);background:var(--accent);color:#fff;cursor:pointer;min-height:52px;padding:0 18px;font-weight:800}.ghost-btn{color:var(--ink);background:#fff;border-color:#9eb0c0;font-weight:700}.ghost-btn:disabled{opacity:.4;cursor:not-allowed}.project-btn{letter-spacing:.04em;min-height:64px;font-size:1.2rem}.preview-btn{min-height:64px;font-size:1.05rem}.preview-backdrop{z-index:40;background:#0c1c288c;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.preview-modal{background:#fff;border:2px solid #c5d0da;gap:16px;width:min(720px,100%);max-height:min(86vh,900px);padding:20px 22px;display:grid;overflow:auto}.preview-header{justify-content:space-between;align-items:center;gap:12px;display:flex}.preview-header h2{margin:0;font-size:1.35rem}.preview-close{color:var(--muted);cursor:pointer;background:0 0;border:none;min-height:36px;padding:0 8px;font-weight:700}.preview-context{color:var(--header);margin:0;font-size:1.05rem;font-weight:800}.preview-subjects{gap:12px;display:grid}.preview-subject{background:#f7fafc;border:2px solid #d5dde5;gap:8px;padding:12px 14px;display:grid}.preview-subject h3{justify-content:space-between;align-items:baseline;gap:10px;margin:0;font-size:1.15rem;display:flex}.preview-subject h3 span{color:var(--muted);font-size:.95rem;font-weight:700}.preview-subject p{grid-template-columns:3.5em 1fr;gap:8px;margin:0;font-size:.98rem;line-height:1.45;display:grid}.preview-subject p strong{color:var(--muted)}.preview-subject p span{-webkit-line-clamp:3;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.preview-actions{grid-template-columns:1fr 1.4fr;gap:12px;display:grid}.primary-btn:disabled,.settings-row button:disabled{opacity:.4;cursor:not-allowed}.settings-row button.ghost{color:var(--ink);background:#fff}.settings-details{background:#fff;border:2px solid #d5dde5;padding:0}.settings-details>summary{cursor:pointer;color:var(--muted);padding:16px 20px;font-weight:800;list-style:none}.settings-details>summary::-webkit-details-marker{display:none}.settings-details[open]>summary{color:var(--ink);border-bottom:1px solid #e2e8f0}.settings-details .settings-panel{box-shadow:none;border:none}.settings-rows{gap:18px;margin-top:8px;display:grid}.settings-row{border-top:1px solid #e5eaf0;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-top:16px;display:flex}.settings-row p{color:var(--muted);margin:4px 0 0}.btn-row{flex-wrap:wrap;gap:8px;display:flex}.ok-msg{color:var(--ok);font-weight:700}.err-msg,.warnings{color:var(--warn);font-weight:700}.loading{font-size:1.25rem}.projection-stage{background:#f7fafc;width:100%;height:100%;position:fixed;inset:0;overflow:hidden}.projection-root{width:100%;height:100%;color:var(--ink);background:#f7fafc;grid-template-rows:minmax(0,13fr) minmax(0,11fr) minmax(0,76fr);gap:1vh;padding:1.1vh 1.2vw;display:grid;position:absolute;inset:0;overflow:hidden}.title-right{align-content:center;justify-items:end;gap:.45rem;min-width:0;display:grid}.exit-btn{z-index:5;color:#ffffffd9;cursor:pointer;letter-spacing:.04em;opacity:.38;background:#0b2a3d59;border:1px solid #ffffff59;min-height:28px;padding:0 10px;font-size:clamp(.7rem,.95vw,.85rem);font-weight:500;transition:opacity .15s,background .15s;position:absolute;top:.55%;right:.7%}.projection-root:hover .exit-btn,.exit-btn:hover,.exit-btn:focus-visible{opacity:1;background:#0b2a3db8}@media (hover:none){.exit-btn{opacity:.55}}.projection-title-bar{background:var(--header);color:#fff;grid-template-columns:1.4fr 1fr;align-items:center;gap:2%;min-height:0;padding:.6% 2%;display:grid;position:relative}.title-left{gap:.15em;min-width:0;display:grid}.brand{letter-spacing:.08em;opacity:.9;margin:0;font-size:clamp(.9rem,1.6vw,1.35rem);font-weight:500}.projection-title-bar h1{letter-spacing:.04em;white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:clamp(1.35rem,2.8vw,2.5rem);font-weight:600;line-height:1.15;overflow:hidden}.legend{justify-items:end;gap:.45em;display:grid}.legend-item{white-space:nowrap;background:#ffffff1a;border-radius:999px;align-items:center;gap:.5em;padding:.25em .7em;font-size:clamp(.75rem,1.25vw,1.1rem);font-weight:500;display:inline-flex}.legend-item i{border-radius:3px;width:.85em;height:.85em;display:block}.legend-item.review i{background:#fb923c}.legend-item.prep i{background:#2dd4bf}.projection-context{border:3px solid var(--header);background:#fff;grid-template-columns:1.35fr 1fr .85fr .85fr;min-height:0;display:grid}.context-date,.context-chip{border-right:3px solid var(--header);align-content:center;justify-items:center;gap:.15em;min-height:0;padding:.2em .4em;display:grid}.context-chip:last-child{border-right:none}.context-label{color:var(--muted);letter-spacing:.08em;font-size:clamp(.7rem,1.15vw,1rem);font-weight:800}.context-value{text-align:center;font-size:clamp(1.5rem,3.4vw,3rem);font-weight:900;line-height:1.05}.projection-columns{grid-template-columns:1fr 1fr;gap:1.2%;min-height:0;display:grid}.subject-col{border:3px solid var(--header);background:#fff;grid-template-rows:18% 41% 41%;min-height:0;display:grid;overflow:hidden}.subject-meta{border-bottom:3px solid var(--header);color:#fff;background:#10233a;grid-template-columns:1.55fr 1fr;min-height:0;display:grid}.meta-block{border-right:2px solid #ffffff40;align-items:center;gap:.55em;min-width:0;padding:0 .7em;display:flex}.meta-block:last-child{border-right:none}.meta-label{color:var(--header);background:#f8fafc;flex:none;place-items:center;min-width:clamp(48px,4.5vw,72px);min-height:clamp(34px,4vw,52px);font-size:clamp(.9rem,1.4vw,1.2rem);font-weight:900;display:inline-grid}.subject-name{white-space:nowrap;text-overflow:ellipsis;font-size:clamp(1.8rem,4vw,3.4rem);font-weight:600;line-height:1;overflow:hidden}.lecture-block{justify-content:center;gap:.35em}.lecture-no{font-size:clamp(2rem,4.4vw,3.6rem);font-weight:600;line-height:1}.lecture-caption{font-size:clamp(1rem,1.8vw,1.5rem);font-weight:500}.homework-block{grid-template-rows:22% 1fr;min-height:0;display:grid;overflow:hidden}.homework-block.review{border-bottom:3px solid var(--header);background:var(--review-bg)}.homework-block.prep{background:var(--prep-bg)}.homework-banner{color:#fff;justify-content:space-between;align-items:center;gap:.8em;min-height:0;padding:0 1.2em;font-weight:500;display:flex}.homework-block.review .homework-banner{background:var(--review)}.homework-block.prep .homework-banner{background:var(--prep)}.homework-kind{letter-spacing:.08em;font-size:clamp(1.35rem,2.6vw,2.3rem);font-weight:600}.homework-kind-sub{letter-spacing:.04em;white-space:nowrap;background:#ffffff2e;border-radius:999px;padding:.2em .7em;font-size:clamp(.8rem,1.35vw,1.2rem);font-weight:500}.homework-body{grid-template-rows:1fr auto;min-height:0;padding:1.4% 2.4%;display:grid;overflow:hidden}.homework-scroll{align-content:center;min-height:0;display:grid;overflow:auto}.homework-main{white-space:pre-wrap;overflow-wrap:anywhere;margin:0;font-size:clamp(1.25rem,2.7vw,2.45rem);font-weight:900;line-height:1.28}.homework-block.prep .homework-main{font-size:clamp(1.1rem,2.3vw,2.1rem)}.homework-note{color:#334155;margin:.35em 0 0;font-size:clamp(.75rem,1.2vw,1.05rem);font-weight:800}@media (width<=820px){.field-grid,.cta-actions,.preview-actions{grid-template-columns:1fr}.step-rail{flex-wrap:nowrap;gap:4px}.step-rail-item{padding:8px 6px;font-size:.9rem}.step-rail-arrow{font-size:1.1rem}.settings-row{flex-direction:column;align-items:stretch}.projection-stage,.projection-root{width:100%;height:100%;position:fixed;inset:0}.projection-root{grid-template-rows:auto auto 1fr;gap:10px;padding:12px;overflow:auto}.projection-title-bar{grid-template-columns:1fr;gap:10px;padding:12px}.projection-title-bar h1{white-space:normal}.legend{justify-items:start}.projection-context{grid-template-columns:1fr 1fr}.context-date,.context-chip{border-bottom:2px solid var(--header)}.projection-columns{grid-template-columns:1fr}.subject-col{grid-template-rows:auto minmax(220px,34vh) minmax(220px,34vh)}}
