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.ok-app{background:var(--bg);align-items:stretch;min-height:100vh;display:flex}.ok-rail{background:var(--bg);border-right:1px solid var(--card-ring);z-index:50;flex-direction:column;flex:none;align-items:center;gap:2px;width:72px;height:100vh;padding:12px 8px 14px;display:flex;position:fixed;top:0;left:0}.ok-app>.ok-main{margin-left:72px}.rail-logo{background:var(--leaf);color:#fff;width:42px;height:42px;box-shadow:0 2px 0 var(--leaf-deep);-webkit-user-select:none;user-select:none;border-radius:12px;place-items:center;margin-bottom:14px;font-family:Noto Serif JP,serif;font-size:22px;font-weight:800;text-decoration:none;display:grid}.rail-item{width:56px;min-height:54px;color:var(--ink-mute);cursor:pointer;background:0 0;border:none;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:3px;padding:6px 2px;text-decoration:none;transition:background .14s,color .14s;display:flex;position:relative}.rail-item svg{stroke:currentColor;stroke-width:1.8px;fill:none;stroke-linecap:round;stroke-linejoin:round;width:22px;height:22px}.rail-item:hover{color:var(--ink);background:#f2f0e6}.rail-item.active{background:var(--leaf-soft);color:var(--leaf-deep)}.rail-item.active svg{stroke-width:2px}.rail-item.active:before{content:"";background:var(--leaf);border-radius:0 3px 3px 0;width:3px;position:absolute;top:12px;bottom:12px;left:-9px}.rail-item .ri-lbl{letter-spacing:.02em;font-family:Noto Sans SC,system-ui,sans-serif;font-size:10.5px;font-weight:600;line-height:1}.rail-spacer{flex:1}.rail-avatar{background:var(--coral-soft);width:40px;height:40px;color:var(--coral-deep);border:1.5px solid var(--coral);cursor:pointer;border-radius:50%;place-items:center;margin-top:8px;font-family:Noto Serif JP,serif;font-size:14px;font-weight:700;text-decoration:none;transition:transform .12s;display:grid}.rail-avatar:hover{transform:scale(1.05)}.ok-main{flex:1;min-width:0;padding:32px 40px 40px;overflow-x:hidden}.btn{border:1.5px solid var(--ink-soft);background:var(--card);color:var(--ink);box-shadow:0 1.5px 0 var(--ink-soft);cursor:pointer;white-space:nowrap;-webkit-user-select:none;user-select:none;border-radius:11px;flex:none;justify-content:center;align-items:center;gap:8px;width:auto;min-width:0;padding:10px 18px;font-family:inherit;font-size:14px;font-weight:600;line-height:1.15;text-decoration:none;transition:transform 80ms,box-shadow 80ms,background .15s;display:inline-flex}.btn:hover{box-shadow:0 2.5px 0 var(--ink-soft);transform:translateY(-1px)}.btn:active{box-shadow:0 0 0 var(--ink-soft);transform:translateY(1.5px)}.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:0 1.5px 0 var(--stone);transform:none}.btn.btn-primary{background:var(--leaf);color:#fff;border-color:var(--leaf-deep);box-shadow:0 3px 0 var(--leaf-deep);border-style:solid;border-width:1.5px;border-radius:11px;padding:10px 18px}.btn.btn-primary:hover{background:var(--leaf);box-shadow:0 4px 0 var(--leaf-deep);transform:translateY(-1px)}.btn.btn-primary:active{box-shadow:0 0 0 var(--leaf-deep);transform:translateY(1.5px)}.btn.btn-accent{background:var(--coral);color:#fff;border-color:var(--coral-deep);box-shadow:0 3px 0 var(--coral-deep)}.btn.btn-accent:hover{box-shadow:0 4px 0 var(--coral-deep);transform:translateY(-1px)}.btn.btn-accent:active{box-shadow:0 0 0 var(--coral-deep);transform:translateY(1.5px)}.btn.btn-danger{background:var(--rose);color:#fff;border-color:var(--rose-deep);box-shadow:0 3px 0 var(--rose-deep)}.btn.btn-danger:hover{box-shadow:0 4px 0 var(--rose-deep);transform:translateY(-1px)}.btn.btn-danger:active{box-shadow:0 0 0 var(--rose-deep);transform:translateY(1.5px)}.btn.btn-ghost{box-shadow:none;color:var(--ink-soft);background:0 0;border-color:#0000}.btn.btn-ghost:hover{background:var(--surface);color:var(--ink);box-shadow:none;transform:none}.btn.btn-ghost:active{transform:none}.btn.btn-sm{box-shadow:0 1px 0 var(--ink-soft);border-radius:8px;padding:6px 12px;font-size:12.5px}.btn.btn-sm.btn-primary{box-shadow:0 2px 0 var(--leaf-deep)}.btn.btn-sm.btn-accent{box-shadow:0 2px 0 var(--coral-deep)}.btn.btn-lg{border-radius:13px;padding:14px 26px;font-size:15.5px}.btn.btn-lg.btn-primary{box-shadow:0 4px 0 var(--leaf-deep)}.btn.btn-lg.btn-primary:hover{box-shadow:0 5px 0 var(--leaf-deep)}.btn.btn-lg.btn-accent{box-shadow:0 4px 0 var(--coral-deep)}.chip{letter-spacing:.02em;background:var(--stone-soft);color:var(--ink-soft);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;padding:4px 10px;font-family:Nunito,Noto Sans SC,sans-serif;font-size:11.5px;font-weight:700;line-height:1.3;display:inline-flex}.chip.leaf{background:var(--leaf-soft);color:var(--leaf-deep)}.chip.coral{background:var(--coral-soft);color:var(--coral-deep)}.chip.gold{background:var(--gold-soft);color:var(--gold-deep)}.chip.rose{background:var(--rose-soft);color:var(--rose-deep)}.chip.teal{background:var(--teal-soft);color:var(--teal-deep)}.chip.stone{background:var(--stone-soft);color:var(--stone-deep)}.card{background:var(--card);border:1.5px solid var(--card-ring);border-radius:var(--r-l);box-shadow:var(--sh-1);padding:22px 24px}.card-section-head{justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px;display:flex}.card-section-head h3{color:var(--ink);font-family:Nunito,Noto Sans SC,sans-serif;font-size:15px;font-weight:700}.card-section-head a{color:var(--leaf-deep);cursor:pointer;font-family:Nunito,sans-serif;font-size:12.5px;font-weight:600;text-decoration:none}.card-section-head a:hover{text-decoration:underline}.ok-page-title{color:var(--ink);letter-spacing:-.01em;margin:0 0 4px;font-family:Nunito,Noto Sans SC,sans-serif;font-size:26px;font-weight:800}.ok-page-sub{color:var(--ink-soft);margin:0 0 22px;font-size:13.5px;line-height:1.6}@media (max-width:640px){.ok-main{padding:20px 16px 40px}}