:root{--paper:#e2ded4;--line:#b7b2a0;--ink:#202428;--soft:#525960;--navy:#243346;--deep:#162232;--brass:#ab7e28;--card:#dad6c9;--danger:#9c3c32;--surface:#eae6db;--surface-hover:#ded9cb;--focus:#3b6991;--success:#4e6e46;--success-bg:#e2e9de;--success-border:#bdcbb8;--warning:#8e6c24;--warning-bg:#ede4d0;--warning-border:#d6c69d;--info:#3b5a75;--info-bg:#dee5ec;--info-border:#b8c8d6;--danger-bg:#ebdcda;--danger-border:#d4b8b4;--danger-strong:#782a22;--danger-deep:#5b1d16;--steel:#2e4760;--steel-deep:#203144;--radius-sm:4px;--radius:6px;--radius-lg:4px;--shadow-sm:0 1px 3px rgba(22,34,50,.08);--shadow:0 4px 16px rgba(22,34,50,.12);--shadow-lg:0 12px 32px rgba(22,34,50,.18)}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:repeating-linear-gradient(0deg,#00000004 0 1px,transparent 1px 3px),var(--paper);font:16px Noto Sans JP,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}input,textarea{font:inherit;font-size:14px;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:8px 10px;transition:border-color .14s ease,box-shadow .14s ease,background .14s ease}input:hover,textarea:hover{border-color:color-mix(in srgb,var(--navy) 45%,var(--line))}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--focus);box-shadow:0 0 0 3px color-mix(in srgb,var(--focus) 22%,transparent)}select{font:inherit;font-size:14px;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:8px 32px 8px 10px;-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%23525960' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.6' d='m1 1 5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;transition:border-color .14s ease,box-shadow .14s ease,background .14s ease;cursor:pointer}select:hover{border-color:color-mix(in srgb,var(--navy) 45%,var(--line))}label{display:block;font-size:11px;font-weight:600;color:var(--soft);letter-spacing:.05em;margin-bottom:4px}button{font:inherit;font-size:13px;font-weight:600;letter-spacing:.02em;cursor:pointer;border-radius:var(--radius-sm);transition:background .14s ease,border-color .14s ease,color .14s ease,transform .1s ease,box-shadow .14s ease}button:active{transform:translateY(1px)}a:focus-visible,button:focus-visible{outline:2px solid var(--focus);outline-offset:2px}button:disabled{opacity:.45;cursor:not-allowed;transform:none!important}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 14px;border:1px solid var(--line);background:var(--surface);color:var(--ink)}.btn:hover{background:var(--surface-hover);border-color:color-mix(in srgb,var(--navy) 40%,var(--line))}.btn-primary{border-color:var(--navy);background:var(--navy);color:#fff}.btn-primary:hover{background:var(--deep);border-color:var(--deep)}.btn-accent{border-color:var(--brass);background:var(--brass);color:var(--deep)}.btn-accent:hover{background:color-mix(in srgb,var(--brass) 82%,var(--deep));border-color:color-mix(in srgb,var(--brass) 82%,var(--deep))}.btn-danger{border-color:var(--danger-border);background:var(--danger-bg);color:var(--danger)}.btn-danger:hover{background:var(--danger);border-color:var(--danger);color:#fff}.wrap{max-width:980px;margin:auto;padding:2vw 2vw calc(100px + 60vh)}h1,h2,h3{margin:0;color:var(--deep);letter-spacing:.05em}h1,h2{font-size:20px}h2{margin-bottom:10px}.day-banner{margin:-4px 0 14px;padding:10px 14px;border:1px solid;border-radius:var(--radius);font-size:13px;line-height:1.5;color:var(--deep)}.day-banner--future{background:var(--info-bg);border-color:var(--info-border)}.day-banner--past{background:var(--warning-bg);border-color:var(--warning-border)}.archive,.sheet-settings{position:fixed;left:0;right:0;bottom:0;z-index:60;max-height:80vh;overflow:visible;border-radius:14px 14px 0 0;box-shadow:0 -8px 32px #1c263642}.modal-backdrop{background:#161e2894;z-index:55}.ab-modal-backdrop,.modal-backdrop{position:fixed;inset:0;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.ab-modal-backdrop{background:#161e2899;z-index:120;display:flex;align-items:center;justify-content:center}@media(min-width:760px){.archive,.sheet-settings{inset:50% auto auto 50%;transform:translate(-50%,-50%);width:480px;max-width:calc(100vw - 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