:root{--bg: #0f172a;--bg-elevated: #1e293b;--bg-card: #1e293b;--border: #334155;--text: #e2e8f0;--text-muted: #94a3b8;--accent: #34d399;--accent-2: #22d3ee;--danger: #f87171;--radius: 16px;--shadow: 0 10px 30px rgba(0, 0, 0, .35);--tab-h: 68px;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:radial-gradient(1200px 600px at 50% -10%,#16233f 0%,var(--bg) 55%);color:var(--text);font-family:Noto Sans JP,system-ui,-apple-system,Segoe UI,Roboto,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.page__title,.runner__name,.runner__timer,.stat__value,.streak-badge__count,.calendar__title,.eyebrow,.tab__label,.done-mark+h1,.section-title{font-family:Zen Maru Gothic,Noto Sans JP,system-ui,sans-serif}.app-shell{max-width:480px;margin:0 auto;min-height:100%;display:flex;flex-direction:column;position:relative}.app-main{flex:1;padding-bottom:calc(var(--tab-h) + env(safe-area-inset-bottom,0px))}.page{padding:24px 20px 8px;animation:fade-in .25s ease}@keyframes fade-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.page__header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:20px}.page__title{font-size:28px;line-height:1.1;margin:2px 0 0;letter-spacing:-.02em}.eyebrow{margin:0;color:var(--accent);font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.08em}.section-title{font-size:15px;color:var(--text-muted);margin:24px 0 12px;font-weight:600}.streak-badge{display:inline-flex;align-items:baseline;gap:4px;background:var(--bg-elevated);border:1px solid var(--border);padding:8px 14px;border-radius:999px;box-shadow:var(--shadow)}.streak-badge__flame{font-size:18px}.streak-badge__count{font-size:22px;font-weight:800}.streak-badge__label{color:var(--text-muted);font-size:12px}.banner{border-radius:12px;padding:12px 14px;font-size:14px;margin-bottom:16px}.banner--success{background:#34d3991f;border:1px solid rgba(52,211,153,.4);color:#86efac}.banner--error{background:#f871711f;border:1px solid rgba(248,113,113,.4);color:#fca5a5}.routine-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.chip{border:1px solid var(--border);background:var(--bg-elevated);color:var(--text-muted);border-radius:999px;padding:8px 14px;font-size:13px;font-weight:600;cursor:pointer;transition:all .15s ease}.chip--active{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#06231b;border-color:transparent}.routine-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.routine-card__desc{margin:0 0 10px;color:var(--text)}.routine-card__meta{display:flex;gap:8px;color:var(--text-muted);font-size:13px;margin-bottom:14px}.stretch-preview{list-style:none;padding:0;margin:0 0 18px;display:flex;flex-direction:column;gap:6px}.stretch-preview__item{display:flex;align-items:center;gap:12px;padding:8px;border-radius:12px;background:#0f172a80}.stretch-preview__name{margin:0;font-weight:600;font-size:15px}.stretch-preview__area{margin:2px 0 0;color:var(--text-muted);font-size:12px}.btn{border:1px solid var(--border);background:var(--bg-elevated);color:var(--text);border-radius:12px;padding:12px 18px;font-size:15px;font-weight:600;cursor:pointer;transition:transform .05s ease,opacity .15s ease}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#06231b;border-color:transparent}.btn--ghost{background:transparent}.btn--block{width:100%;display:block;margin-top:8px}.btn--sm{padding:8px 12px;font-size:13px}.pose{flex-shrink:0}.pose--photo{object-fit:cover;border-radius:12px;display:block;background:#0b1220}.stretch-preview__item .pose--photo{border-radius:10px}.library-card .pose--photo{width:100%;height:120px}.runner__stage .pose--photo{width:min(78vw,320px);height:220px;box-shadow:var(--shadow)}.runner{display:flex;flex-direction:column;min-height:calc(100vh - var(--tab-h))}.runner__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.runner__counter{color:var(--text-muted);font-weight:700;font-variant-numeric:tabular-nums}.progress-track{height:6px;background:var(--bg-elevated);border-radius:999px;overflow:hidden;margin-bottom:20px}.progress-track__fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .4s ease}.runner__stage{flex:1;text-align:center;display:flex;flex-direction:column;align-items:center}.runner__area{color:var(--accent);text-transform:uppercase;letter-spacing:.1em;font-size:12px;font-weight:700;margin:8px 0 0}.runner__name{font-size:26px;margin:4px 0 8px}.runner__perside{color:var(--text-muted);font-size:16px;font-weight:500}.runner__timer{font-size:72px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1;background:linear-gradient(135deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}.runner__timer-unit{font-size:24px;-webkit-text-fill-color:var(--text-muted)}.cues{text-align:left;color:var(--text-muted);font-size:14px;line-height:1.5;max-width:340px;margin:18px auto 0;padding-left:20px}.cues li{margin-bottom:6px}.runner__controls{display:flex;gap:12px;padding:16px 0 8px}.runner__controls .btn{flex:1}.runner--done{text-align:center;align-items:center;justify-content:center;gap:8px}.done-mark{font-size:64px}.runner__subtitle{color:var(--text-muted);max-width:320px}.save-state{color:var(--accent);font-weight:600;min-height:20px}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:8px}.stat{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:16px 12px;text-align:center}.stat__value{font-size:26px;font-weight:800;margin:0}.stat__suffix{font-size:12px;color:var(--text-muted);font-weight:600}.stat__label{margin:4px 0 0;color:var(--text-muted);font-size:12px}.calendar{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:14px}.calendar__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.calendar__title{font-weight:800;font-size:17px;display:flex;align-items:baseline;gap:8px}.calendar__count{font-size:12px;font-weight:600;color:var(--accent)}.calendar__nav{width:34px;height:34px;border-radius:10px;border:1px solid var(--border);background:var(--bg-elevated);color:var(--text);font-size:18px;cursor:pointer;line-height:1}.calendar__nav:active{transform:scale(.96)}.calendar__grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.calendar__weekdays{margin-bottom:6px}.calendar__wd{text-align:center;font-size:11px;font-weight:700;color:var(--text-muted);padding:2px 0}.calendar__wd--sun{color:#fca5a5}.calendar__wd--sat{color:#93c5fd}.calendar__cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:10px;font-size:13px;font-variant-numeric:tabular-nums;color:var(--text);background:var(--bg-elevated);border:1px solid var(--border)}.calendar__cell--empty{background:transparent;border:none}.calendar__cell--future{color:var(--text-muted);opacity:.45}.calendar__cell--done{background:linear-gradient(135deg,var(--accent),var(--accent-2));border-color:transparent;color:#06231b;font-weight:800}.calendar__cell--today{outline:2px solid var(--accent-2);outline-offset:1px}.session-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.session-list__item{display:flex;align-items:center;justify-content:space-between;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:12px 14px}.session-list__date{margin:0;font-weight:700}.session-list__routine{margin:2px 0 0;color:var(--text-muted);font-size:13px}.session-list__stats{text-align:right;font-size:13px;display:flex;flex-direction:column;gap:2px}.library-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}.library-card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:14px;text-align:center}.library-card__name{font-size:15px;margin:8px 0 2px}.library-card__area{color:var(--text-muted);font-size:12px;margin:0 0 8px}.library-card__cues{text-align:left;color:var(--text-muted);font-size:12px;line-height:1.4;padding-left:16px;margin:0}.library-card__cues li{margin-bottom:3px}.muted{color:var(--text-muted)}.tab-bar{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;height:calc(var(--tab-h) + env(safe-area-inset-bottom,0px));padding-bottom:env(safe-area-inset-bottom,0px);display:flex;background:#0f172aeb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--border)}.tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;text-decoration:none;color:var(--text-muted);font-size:11px;font-weight:600}.tab__icon{font-size:20px;filter:grayscale(.5);opacity:.7}.tab--active{color:var(--accent)}.tab--active .tab__icon{filter:none;opacity:1}