:root{--bg:#f6f6fa;--surface:#fff;--text:#20202a;--muted:#71717f;--line:#e7e7ee;--primary:#635bff;--primary-dark:#4f46e5;--primary-soft:#eeecff;--danger:#d83b49;--shadow:0 12px 40px rgba(35,31,70,.09);font-family:Inter,"Noto Sans JP",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg)}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.35}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.muted{color:var(--muted)}.eyebrow{margin:0 0 5px;color:var(--primary);font-size:.73rem;font-weight:800;letter-spacing:.18em}.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:linear-gradient(145deg,#786fff,#5148e8);box-shadow:0 9px 20px rgba(99,91,255,.3);color:#fff;font-size:1.25rem;font-weight:900}.brand-mark.small{width:34px;height:34px;border-radius:11px;font-size:1rem}.brand-mark.large{width:70px;height:70px;border-radius:22px;font-size:2rem}
.primary-button,.secondary-button,.danger-button{border:0;border-radius:12px;padding:11px 17px;font-weight:750}.primary-button{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(99,91,255,.2)}.primary-button:hover{background:var(--primary-dark)}.secondary-button{background:#fff;border:1px solid var(--line);color:var(--text)}.danger-button{background:#fff1f2;color:var(--danger)}.full{display:block;width:100%;text-align:center}.compact{padding:9px 14px}.text-button{border:0;background:transparent;color:var(--primary);font-weight:700;padding:5px}.icon-button{display:grid;place-items:center;width:34px;height:34px;border:0;border-radius:10px;background:transparent;color:var(--muted);font-size:1.45rem}.icon-button:hover{background:var(--bg)}
.topbar{position:sticky;z-index:20;top:0;display:flex;align-items:center;justify-content:space-between;height:68px;padding:0 max(24px,calc((100vw - 1180px)/2));border-bottom:1px solid rgba(231,231,238,.8);background:rgba(255,255,255,.88);backdrop-filter:blur(18px)}.brand{display:flex;align-items:center;gap:10px;font-size:1.12rem;font-weight:850}.top-actions{display:flex;align-items:center;gap:12px}.avatar-button{width:38px;height:38px;border:0;border-radius:50%;background:#242431;color:#fff;font-weight:800}.app-main{max-width:1180px;margin:0 auto;padding:48px 24px 110px}.hero-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}.hero-row h1{font-size:clamp(2rem,4vw,3rem);line-height:1.05;margin:0 0 8px;letter-spacing:-.04em}.hero-row p:last-child{margin:0}.toolbar{display:grid;grid-template-columns:1fr 180px;gap:12px}.search-box{display:flex;align-items:center;gap:10px;padding:0 15px;border:1px solid var(--line);border-radius:14px;background:#fff}.search-box span{font-size:1.5rem;color:var(--muted)}.search-box input{width:100%;height:48px;border:0;outline:0;background:transparent}.toolbar select,.form-grid select{height:50px;padding:0 13px;border:1px solid var(--line);border-radius:13px;background:#fff}.chips{display:flex;gap:8px;overflow:auto;padding:14px 0 22px}.chip{white-space:nowrap;border:1px solid var(--line);border-radius:999px;background:#fff;padding:8px 13px;color:var(--muted);font-weight:650}.chip.active{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}
.song-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.song-card{display:flex;min-height:230px;flex-direction:column;padding:20px;border:1px solid var(--line);border-radius:19px;background:var(--surface);box-shadow:0 2px 0 rgba(0,0,0,.015);transition:.18s ease}.song-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#dad8f5}.song-card-top,.song-main,.card-actions{display:flex;align-items:center;justify-content:space-between;gap:10px}.machine{padding:5px 9px;border-radius:8px;background:#f0f0f4;color:#626270;font-size:.7rem;font-weight:800;letter-spacing:.04em}.machine.dam{background:#fff0f1;color:#c32a3a}.machine.joysound{background:#ebf7ff;color:#1670ae}.star-button{border:0;background:transparent;color:#d6d6dc;font-size:1.25rem}.star-button.on{color:#ffb720}.song-main{align-items:flex-start;margin:16px 0 12px}.song-title{min-width:0}.song-title h2{margin:0 0 5px;overflow:hidden;text-overflow:ellipsis;font-size:1.2rem;white-space:nowrap}.song-title p{margin:0;color:var(--muted);font-size:.9rem}.key-badge{display:grid;flex:0 0 66px;place-items:center;padding:8px;border-radius:14px;background:var(--primary-soft);color:var(--primary)}.key-badge small{font-size:.61rem}.key-badge strong{font-size:1.5rem}.song-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:.76rem;color:var(--muted)}.song-meta>span{padding:4px 7px;border-radius:7px;background:var(--bg)}.rating-perfect{color:#147855!important;background:#eaf8f2!important}.rating-unknown{color:#865d00!important;background:#fff8df!important}.song-memo{display:-webkit-box;overflow:hidden;margin:13px 0 0;color:#555563;font-size:.85rem;line-height:1.6;-webkit-box-orient:vertical;-webkit-line-clamp:2}.card-actions{margin-top:auto;padding-top:17px;border-top:1px solid #f1f1f5;color:var(--muted);font-size:.8rem}.card-actions button{font-size:.8rem}.empty-state{grid-column:1/-1;padding:64px 20px;border:1px dashed #d8d7e2;border-radius:20px;text-align:center;color:var(--muted)}.empty-state>div{font-size:2rem}.empty-state h2{color:var(--text);font-size:1.1rem}
.setlist-list{display:grid;gap:10px}.setlist-row{display:grid;grid-template-columns:42px 1fr 74px auto 36px;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--line);border-radius:15px;background:#fff}.order-number{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--primary-soft);color:var(--primary);font-weight:800}.setlist-row h3{margin:0;font-size:1rem}.setlist-row p{margin:3px 0 0;color:var(--muted);font-size:.82rem}.setlist-key{color:var(--primary);font-size:1.25rem;text-align:center}.move-buttons{display:flex;gap:4px}.move-buttons button{width:32px;height:32px;border:1px solid var(--line);border-radius:9px;background:#fff}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.panel{padding:23px;border:1px solid var(--line);border-radius:18px;background:#fff}.panel:first-child{grid-column:1/-1}.panel h2{margin-top:0;font-size:1.1rem}.button-row{display:flex;gap:10px;flex-wrap:wrap}.file-button{position:relative;overflow:hidden;cursor:pointer}.file-button input{position:absolute;inset:0;opacity:0;cursor:pointer}.bottom-nav{display:none}.fab{display:none}
.auth-shell{display:grid;grid-template-columns:1.05fr .95fr;min-height:100vh}.auth-visual{display:flex;flex-direction:column;justify-content:center;padding:10vw;background:linear-gradient(150deg,#242238,#413b8f);color:#fff}.auth-visual h1{margin:28px 0 8px;font-size:4rem;letter-spacing:-.06em}.auth-visual p{max-width:420px;color:#dcd9ff;font-size:1.2rem}.auth-card{align-self:center;width:min(420px,calc(100% - 40px));margin:auto;padding:34px;border:1px solid var(--line);border-radius:23px;background:#fff;box-shadow:var(--shadow)}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin-bottom:25px;padding:4px;border-radius:12px;background:var(--bg)}.auth-tabs button{border:0;border-radius:9px;background:transparent;padding:9px;color:var(--muted);font-weight:700}.auth-tabs button.active{background:#fff;color:var(--text);box-shadow:0 2px 8px rgba(0,0,0,.07)}.stack{display:grid;gap:15px}label{display:grid;gap:7px;font-size:.85rem;font-weight:700}label small{color:var(--muted);font-weight:400}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--text);outline:0}input,textarea{padding:12px 13px}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.dialog{width:min(760px,calc(100% - 28px));max-height:min(90vh,850px);padding:0;border:0;border-radius:22px;background:#fff;box-shadow:0 28px 90px rgba(20,18,45,.28)}.dialog::backdrop{background:rgba(28,27,39,.48);backdrop-filter:blur(4px)}.dialog form{padding:26px}.small-dialog{width:min(520px,calc(100% - 28px))}.dialog-head,.section-title,.dialog-actions{display:flex;align-items:center;justify-content:space-between;gap:16px}.dialog-head h2{margin:0}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0}.key-panels{display:grid;grid-template-columns:1fr 1fr;gap:12px}.key-panel{display:grid;place-items:center;padding:14px;border-radius:16px;background:var(--primary-soft);color:var(--primary);font-size:.78rem;font-weight:700}.key-panel.subtle{background:var(--bg);color:var(--text)}.key-stepper{display:grid;grid-template-columns:42px 80px 42px;align-items:center;margin-top:8px}.key-stepper button{width:38px;height:38px;border:0;border-radius:11px;background:#fff;color:inherit;font-size:1.35rem}.key-stepper output{text-align:center;font-size:1.65rem;font-weight:850}.checks{display:flex;gap:16px;flex-wrap:wrap;margin:16px 0}.checks label,.choice{display:flex;align-items:center;gap:7px}.checks input,.choice input{width:auto}.section-title{margin-top:22px;border-top:1px solid var(--line);padding-top:14px}.section-title h3{margin:0}.history-list{display:grid;gap:8px}.history-row{display:grid;grid-template-columns:45px 1fr 34px;align-items:center;gap:10px;padding:10px;border-radius:12px;background:var(--bg)}.history-row strong{color:var(--primary);font-size:1.15rem;text-align:center}.history-row span{font-size:.83rem}.history-row p{margin:3px 0 0;color:var(--muted);font-size:.78rem}.dialog-actions{margin-top:23px;padding-top:18px;border-top:1px solid var(--line)}.toast{position:fixed;z-index:100;left:50%;top:18px;transform:translate(-50%,-20px);max-width:calc(100% - 30px);padding:11px 17px;border-radius:12px;background:#272633;color:#fff;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.2s}.toast.show{transform:translate(-50%,0);opacity:1}.toast.error{background:#b72536}.setup-page{display:grid;place-items:center;padding:30px}.setup-card{width:min(620px,100%);padding:32px;border:1px solid var(--line);border-radius:23px;background:#fff;box-shadow:var(--shadow)}.setup-card h1{margin:18px 0 6px}.setup-card fieldset{display:grid;gap:10px;padding:14px;border:1px solid var(--line);border-radius:12px}.notice{margin:16px 0;padding:12px;border-radius:10px}.notice.error{background:#fff0f1;color:#a92635}.notice.success{background:#eaf8f2;color:#126f4f}.fatal{max-width:600px;margin:15vh auto;padding:30px;text-align:center}
@media(max-width:900px){.song-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.auth-shell{grid-template-columns:1fr}.auth-visual{display:none}.settings-grid{grid-template-columns:1fr}.panel:first-child{grid-column:auto}}
@media(max-width:620px){.topbar{height:60px;padding:0 16px}.topbar .primary-button{display:none}.app-main{padding:30px 14px 100px}.hero-row{align-items:flex-start;flex-direction:column}.hero-row h1{font-size:2.2rem}.toolbar{grid-template-columns:1fr}.song-grid{grid-template-columns:1fr}.song-card{min-height:210px}.bottom-nav{position:fixed;z-index:30;right:0;bottom:0;left:0;display:grid;grid-template-columns:repeat(3,1fr);padding:7px 8px calc(7px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:rgba(255,255,255,.94);backdrop-filter:blur(15px)}.bottom-nav a{display:grid;place-items:center;gap:2px;color:var(--muted);font-size:.68rem}.bottom-nav a span{font-size:1.2rem}.bottom-nav a.active{color:var(--primary);font-weight:800}.fab{position:fixed;z-index:35;right:17px;bottom:82px;display:grid;place-items:center;width:52px;height:52px;border:0;border-radius:17px;background:var(--primary);box-shadow:0 10px 24px rgba(99,91,255,.35);color:#fff;font-size:1.7rem}.form-grid,.key-panels{grid-template-columns:1fr}.dialog{max-height:94vh;border-radius:18px}.dialog form{padding:20px}.checks{display:grid}.setlist-row{grid-template-columns:36px 1fr 55px 36px}.move-buttons{display:none}.auth-card{padding:25px}.setup-card{padding:22px}}