:root{--c-pine:#2f5d3a;--c-pine-dark:#244a2e;--c-bg:#f4f6f4;--c-surface:#fff;--c-text:#1c2620;--c-text-muted:#6b7771;--c-border:#e2e7e3;--c-grade-1:#4eaa5b;--c-grade-2:#f6c244;--c-grade-3:#ef8b3c;--c-grade-4:#e0533d;--c-grade-5:#8b4ba8;--theme-accent:var(--c-pine);--theme-bg:var(--c-bg);--theme-tint:#eef3ef;--header-h:3.25rem;--ad-h:3.125rem;--nav-h:3.5rem;--maxw:30rem;--radius:.875rem}.theme-grade-1{--theme-accent:#3f9450;--theme-bg:#eef7ef;--theme-tint:#e2f0e4}.theme-grade-2{--theme-accent:#c8941f;--theme-bg:#fbf6e6;--theme-tint:#f6edd2}.theme-grade-3{--theme-accent:#d9762a;--theme-bg:#fdf1e7;--theme-tint:#fae3d0}.theme-grade-4{--theme-accent:#cf4332;--theme-bg:#fdeeec;--theme-tint:#f9ddd8}.theme-grade-5{--theme-accent:#7e429a;--theme-bg:#f4ecf7;--theme-tint:#ebddf1}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--theme-bg);color:var(--c-text);-webkit-font-smoothing:antialiased;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Malgun Gothic,sans-serif;line-height:1.5;transition:background-color .4s}a{color:inherit}button{font:inherit;cursor:pointer}.grade-bg-1{background:var(--c-grade-1)}.grade-bg-2{background:var(--c-grade-2)}.grade-bg-3{background:var(--c-grade-3)}.grade-bg-4{background:var(--c-grade-4)}.grade-bg-5{background:var(--c-grade-5)}.ad-slot.svelte-1hiy7v7{height:var(--ad-h);background:var(--c-surface);border-bottom:1px solid var(--c-border);flex:none;justify-content:center;align-items:center;display:flex}.ad-placeholder.svelte-1hiy7v7{color:var(--c-text-muted);letter-spacing:.05em;font-size:.75rem}.app.svelte-12qhfyh{min-height:100vh;max-width:var(--maxw);background:var(--theme-bg);flex-direction:column;margin:0 auto;transition:background-color .4s;display:flex}.header.svelte-12qhfyh{height:var(--header-h);background:var(--theme-accent);color:#fff;flex:none;align-items:center;padding:0 1rem;transition:background-color .4s;display:flex}.brand.svelte-12qhfyh{color:#fff;align-items:center;gap:.4rem;text-decoration:none;display:flex}.brand-mark.svelte-12qhfyh{font-size:1.25rem}.brand-name.svelte-12qhfyh{letter-spacing:-.01em;font-size:1.1rem;font-weight:700}.content.svelte-12qhfyh{padding:1rem;padding-bottom:calc(var(--nav-h) + 1rem + env(safe-area-inset-bottom));flex:auto}.nav.svelte-12qhfyh{width:100%;max-width:var(--maxw);height:calc(var(--nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--theme-tint);border-top:1px solid var(--c-border);transition:background-color .4s;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.nav-item.svelte-12qhfyh{color:var(--c-text-muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:.1rem;font-size:.7rem;text-decoration:none;display:flex}.nav-item.active.svelte-12qhfyh{color:var(--theme-accent);font-weight:600;transition:color .4s}.nav-icon.svelte-12qhfyh{font-size:1.15rem}.footer.svelte-12qhfyh{color:var(--c-text-muted);flex-wrap:wrap;justify-content:center;gap:.35rem;margin-top:1.5rem;font-size:.72rem;display:flex}.footer.svelte-12qhfyh a:where(.svelte-12qhfyh){color:var(--theme-accent);text-decoration:none;transition:color .4s}