.header[data-v-b87731de]{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);background:var(--bg);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.header-inner[data-v-b87731de]{align-items:center;display:flex;height:3.5rem;justify-content:space-between}.logo[data-v-b87731de]{color:var(--accent);font-size:1.4rem;font-weight:700;letter-spacing:.05em;text-decoration:none}.controls[data-v-b87731de]{gap:.5rem}.control-btn[data-v-b87731de],.controls[data-v-b87731de]{align-items:center;display:flex}.control-btn[data-v-b87731de]{background:var(--toggle-bg);border:1px solid var(--border);border-radius:6px;color:var(--text-secondary);cursor:pointer;font-family:Noto Sans JP,sans-serif;font-size:.8rem;gap:.4rem;padding:.35rem .75rem;transition:background .15s ease,color .15s ease;white-space:nowrap}.control-btn[data-v-b87731de]:hover{background:var(--bg-hover);color:var(--text-primary)}.control-jp[data-v-b87731de]{font-size:1rem;line-height:1}.control-icon[data-v-b87731de]{font-size:.9rem;line-height:1}@media(max-width:360px){.control-label[data-v-b87731de]{display:none}}.app{display:flex;flex-direction:column;min-height:100vh}.main{flex:1;padding:2rem 0 4rem}