:root{--navy:#061d3d;--blue:#125fc6;--sky:#eaf3ff;--card:#fff;--text:#102033;--muted:#627087;--green:#27a844;--orange:#ff8a1d;--line:#d8e3f3;--shadow:0 14px 40px rgba(6,29,61,.13)}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic",sans-serif;background:linear-gradient(135deg,#f5f9ff,#eaf2ff);color:var(--text);min-height:100vh;padding-bottom:54px}.app-shell{max-width:1180px;margin:0 auto;padding:18px}.hero{display:flex;justify-content:space-between;gap:18px;align-items:center;background:linear-gradient(135deg,var(--navy),#103f80);color:#fff;border-radius:24px;padding:24px;box-shadow:var(--shadow)}.eyebrow{margin:0 0 4px;color:#b9d7ff;font-weight:700}.hero h1{margin:0;font-size:clamp(1.8rem,4vw,3.3rem);letter-spacing:.03em}.lead{margin:6px 0 0}.score-ring{min-width:150px;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;text-align:center;background:conic-gradient(var(--orange),#29c6b7,var(--blue),var(--orange));padding:9px}.score-ring>*{display:block}.score-ring::before{content:"";position:absolute}.score-ring strong{font-size:2.15rem}.ring-label{font-size:.8rem}.layout{display:grid;grid-template-columns:180px 1fr;gap:16px;margin-top:16px}.sidebar{background:var(--navy);border-radius:20px;padding:12px;display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow)}button{font:inherit}.nav-btn,.mode-card,.course-card,.actions button{border:0;border-radius:14px;cursor:pointer}.nav-btn{background:transparent;color:#dcecff;text-align:left;padding:12px 14px}.nav-btn.active,.nav-btn:hover{background:#1f69ca;color:#fff}.content{min-width:0}.panel{display:none;background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)}.panel.active{display:block}.section-title{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:14px}.section-title h2{margin:0}.section-title span,#streakBadge{background:#eef5ff;color:#175db7;padding:6px 10px;border-radius:999px;font-weight:700;font-size:.85rem}.mode-grid,.course-grid,.stats-grid{display:grid;gap:12px}.mode-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:16px}.course-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.mode-card,.course-card{min-height:116px;padding:18px;background:linear-gradient(135deg,#f8fbff,#e8f2ff);border:1px solid var(--line);text-align:left;color:var(--navy);box-shadow:0 8px 20px rgba(6,29,61,.08)}.mode-card b,.course-card strong{display:block;font-size:1.22rem}.mode-card span,.course-card span{display:block;color:var(--muted);margin-top:6px}.control-line{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}input[type=range]{accent-color:var(--green);min-width:230px}textarea,input[type=text],input[type=tel]{width:100%;border:1px solid var(--line);border-radius:14px;padding:12px;font-size:1rem;background:#fff}.training-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;margin:14px 0;box-shadow:0 8px 20px rgba(6,29,61,.08)}.big-word{min-height:190px;display:grid;place-items:center;font-size:clamp(2.4rem,8vw,5.8rem);font-weight:700;letter-spacing:.06em}.number-word{font-family:ui-monospace,Consolas,monospace}.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.actions button,.course-card{background:var(--blue);color:#fff;padding:12px 20px;font-weight:800}.actions .secondary,.secondary{background:#eef5ff!important;color:#174a88!important;border:1px solid #c9dbf3!important}.small{padding:8px 12px;border-radius:999px}.article-box{line-height:2;font-size:1.08rem}.hidden{display:none}.choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.choice-grid button{padding:12px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer}.vision-stage{position:relative;min-height:360px;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;margin:14px 0}.center-dot{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:4rem;color:#e21d2e}.vision-word{position:absolute;font-size:1.55rem;font-weight:800}.hint{color:var(--muted)}.result{font-weight:800;min-height:1.4em}.vertical-box{writing-mode:vertical-rl;text-orientation:upright;min-height:330px;max-height:380px;overflow:hidden;margin-inline:auto;font-size:1.45rem;line-height:2.1;letter-spacing:.08em}.stats-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;text-align:center}.stat span,.stat small{display:block;color:var(--muted)}.stat strong{font-size:2rem}.history{margin-top:14px;display:grid;gap:8px}.history-row{display:flex;justify-content:space-between;gap:8px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}footer{position:fixed;left:0;right:0;bottom:0;text-align:center;background:#f7fbff;border-top:1px solid #d7e6f8;color:#1565c0;font-size:.9rem;padding:8px;z-index:10}footer p{margin:0}footer a{color:#1565c0;text-decoration:none;font-weight:700}@media(max-width:780px){body{padding-bottom:70px}.app-shell{padding:10px}.hero{align-items:flex-start}.score-ring{min-width:112px}.layout{grid-template-columns:1fr}.sidebar{position:sticky;top:0;z-index:5;display:grid;grid-template-columns:repeat(4,1fr);border-radius:16px}.nav-btn{text-align:center;padding:10px 6px;font-size:.82rem}.mode-grid,.course-grid,.stats-grid,.choice-grid{grid-template-columns:1fr}.panel{padding:14px}.section-title{align-items:flex-start;flex-direction:column}.hero{flex-direction:column}.big-word{min-height:160px}}

.ad-panel{max-width:1180px;margin:14px auto 70px;border:1px solid #d7e6f8;border-radius:12px;background:#fff;overflow:hidden;box-shadow:0 8px 20px rgba(6,29,61,.08)}.ad-panel[hidden]{display:none!important;margin:0!important;padding:0!important;border:0!important;height:0!important;overflow:hidden!important}.ad-panel-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:5px 8px;background:#f4f8ff;border-bottom:1px solid #d7e6f8}.ad-label,.ad-wait{font-size:.72rem;color:#4f6f91;line-height:1}.ad-close-btn{margin:0!important;padding:3px 8px!important;min-height:0;height:auto;line-height:1.2;border:0;border-radius:999px;background:#1565c0;color:#fff;font-size:.72rem!important;font-weight:700;cursor:pointer}.ad-close-btn:hover{background:#0d47a1}.ad-body{padding:8px;background:#fff}