/* Biz Lens：会社サイトと同じ白・黒・紺の落ち着いたデザイン */
:root {
  --navy: #1f2f5a; --navy-2: #2d4176; --ink: #1e1e1e; --sub: #6b6b6b; --line: #e4e4e4; --bg: #f6f6f4; --paper: #ffffff;
  --ok: #2f7a4f; --warn: #a65b00; --soft: #eef1f7;
  --sans: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", system-ui, sans-serif; --en: "Jost", "Zen Kaku Gothic New", sans-serif;
  --nav-w: 220px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: var(--sans); color: var(--ink); background: var(--bg); line-height: 1.75; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
[hidden] { display: none !important; }
a { color: var(--navy); }
.muted { color: var(--sub); }
.small { font-size: 13px; }
.en { font-family: var(--en); letter-spacing: .18em; text-transform: uppercase; font-size: 12px; color: var(--navy); margin: 0; }
h1 { font-size: 26px; margin: 4px 0 6px; letter-spacing: .02em; }
.h2 { font-size: 16px; margin: 28px 0 10px; }

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.brand b { font-family: var(--en); font-size: 20px; font-weight: 600; letter-spacing: .04em; }
.brand small { display: block; font-size: 11px; color: var(--sub); margin-top: -2px; }
.brand span { line-height: 1.2; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-weight: 700; font-size: 15px; padding: 11px 22px; border-radius: 6px; border: 1px solid var(--ink); background: var(--paper); color: var(--ink); cursor: pointer; text-decoration: none; transition: background .2s, color .2s; }
.btn:hover { background: var(--soft); }
.btn.primary { background: var(--navy); border-color: var(--navy); color: #fff; }
.btn.primary:hover { background: var(--navy-2); }
.btn:disabled { opacity: .45; cursor: default; }
.btn.ghost { border-color: var(--line); }
.btn.wide { width: 100%; }
.small-btn { padding: 6px 12px; font-size: 13px; }
.link-btn { background: none; border: 0; padding: 0; font: inherit; color: var(--navy); text-decoration: underline; cursor: pointer; }
input, textarea { font: inherit; font-size: 16px; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; width: 100%; }
textarea { resize: vertical; }
input:focus, textarea:focus, .btn:focus-visible { outline: 2px solid var(--navy); outline-offset: 1px; }

/* ログイン */
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.login-box { width: 100%; max-width: 420px; background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 32px 28px; display: grid; gap: 14px; }
.login-box h1 { margin-top: 10px; }
.dev { display: grid; gap: 8px; border-top: 1px dashed var(--line); padding-top: 14px; }
.safe { margin: 4px 0 0; padding: 14px 16px 14px 32px; background: var(--soft); border-radius: 8px; font-size: 13px; display: grid; gap: 4px; }

/* 枠組み */
.top { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 20px; background: rgba(255, 255, 255, .94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.left-pill { font: inherit; font-size: 13px; font-weight: 700; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); cursor: pointer; white-space: nowrap; }
.left-pill.paid { background: var(--navy); color: #fff; border-color: var(--navy); }
.nav { position: fixed; left: 0; top: 57px; bottom: 0; width: var(--nav-w); padding: 18px 12px; background: var(--paper); border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 4px; }
.nav button { display: flex; align-items: center; gap: 12px; font: inherit; font-size: 15px; font-weight: 500; text-align: left; padding: 10px 14px; border: 0; border-radius: 6px; background: none; color: var(--sub); cursor: pointer; }
.nav button svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.nav button.on { background: var(--soft); color: var(--navy); font-weight: 700; }
.nav button:hover { color: var(--navy); }
.nav-plan { margin-top: auto; }
.main { margin-left: var(--nav-w); padding: 32px clamp(16px, 4vw, 56px) 80px; max-width: calc(var(--nav-w) + 920px); }
.view { display: grid; gap: 16px; }
.vh { margin-bottom: 6px; }
.vh .muted { margin: 0; max-width: 640px; }

/* 書類 */
.drop { display: grid; place-items: center; min-height: 180px; border: 1.5px dashed #b9bfcc; border-radius: 10px; background: var(--paper); text-align: center; cursor: pointer; padding: 20px; transition: border-color .2s, background .2s; }
.drop.over, .drop:hover { border-color: var(--navy); background: var(--soft); }
.drop-ic { display: block; width: 44px; height: 44px; margin: 0 auto 10px; fill: none; stroke: var(--navy); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.top-r { display: flex; align-items: center; gap: 14px; min-width: 0; }
.who-me { font-size: 13px; color: var(--sub); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 220px; }
@media (max-width: 760px) { .who-me { display: none; } }
.drop-in small { display: block; color: var(--sub); font-size: 13px; margin-top: 4px; }
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.note-safe { margin: 0; font-size: 12px; color: var(--sub); }
.note-safe::before { content: "🔒 "; }

/* 会議 */
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; justify-self: start; background: var(--paper); }
.seg button { font: inherit; font-size: 14px; padding: 8px 18px; border: 0; background: none; cursor: pointer; color: var(--sub); }
.seg button.on { background: var(--navy); color: #fff; }
.card-in { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 18px; display: grid; gap: 10px; }
.rec-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.btn.rec { border-color: #b3261e; color: #b3261e; }
.btn.rec.on { background: #b3261e; color: #fff; }
.rec-time { font-family: var(--en); font-size: 24px; letter-spacing: .06em; }
.link-like { color: var(--navy); text-decoration: underline; cursor: pointer; justify-self: start; }

/* 結果 */
.result { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: clamp(18px, 3vw, 30px); display: grid; gap: 18px; }
.result h2 { font-size: 20px; margin: 0; }
.result h3 { font-size: 14px; letter-spacing: .06em; color: var(--navy); margin: 0 0 6px; border-bottom: 1px solid var(--line); padding-bottom: 6px; }
.result ul { margin: 0; padding-left: 1.3em; }
.tag { display: inline-block; font-size: 12px; font-weight: 700; color: var(--navy); border: 1px solid var(--navy); border-radius: 4px; padding: 0 8px; margin-right: 8px; }
.summary { background: var(--soft); border-radius: 8px; padding: 14px 18px; margin: 0; }
.summary p { margin: 0 0 4px; }
.todo-list { list-style: none; padding: 0 !important; display: grid; gap: 6px; }
.todo-list li { display: flex; gap: 10px; align-items: baseline; padding: 8px 12px; border: 1px solid var(--line); border-radius: 6px; }
.due { font-family: var(--en); font-size: 13px; font-weight: 600; color: var(--navy); white-space: nowrap; }
.due.none { color: var(--sub); font-weight: 400; }
.who { font-size: 12px; color: var(--sub); }
.cautions li { color: var(--warn); }
.cautions li.expert { color: var(--sub); list-style: none; margin-left: -1.3em; font-size: 13px; }
.tbl-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--sub); font-weight: 500; }
td.num { text-align: right; font-family: var(--en); white-space: nowrap; }
.saved { font-size: 13px; color: var(--ok); margin: 0; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* 資料 */
.slide-list { list-style: none; padding: 0 !important; display: grid; gap: 12px; counter-reset: s; }
.slide-list > li { border: 1px solid var(--line); border-left: 4px solid var(--navy); border-radius: 6px; padding: 12px 16px; counter-increment: s; }
.slide-list > li::before { content: counter(s, decimal-leading-zero); font-family: var(--en); font-size: 12px; color: var(--sub); }
.slide-list [contenteditable] { outline: none; border-radius: 4px; }
.slide-list [contenteditable]:focus { background: var(--soft); }
.slide-list .sh { font-weight: 700; font-size: 16px; display: block; }
.slide-list ul { padding-left: 1.2em; margin: 4px 0 0; }

/* やること・履歴 */
.add { display: grid; grid-template-columns: 1fr 170px auto; gap: 8px; }
.tasks, .history { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.tasks li, .history li { display: flex; align-items: center; gap: 12px; padding: 10px 14px; background: var(--paper); border: 1px solid var(--line); border-radius: 8px; }
.tasks li .t { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.tasks li.late .due { color: #b3261e; }
.tasks.done li { opacity: .6; }
.tasks.done li .t { text-decoration: line-through; }
.tasks input[type=checkbox] { width: 20px; height: 20px; accent-color: var(--navy); flex: none; }
.x { border: 0; background: none; color: var(--sub); cursor: pointer; font-size: 18px; line-height: 1; padding: 4px; }
.history li button.open { flex: 1; text-align: left; border: 0; background: none; font: inherit; cursor: pointer; color: var(--ink); min-width: 0; overflow-wrap: anywhere; }
.history time { font-family: var(--en); font-size: 12px; color: var(--sub); white-space: nowrap; }
.empty { color: var(--sub); font-size: 14px; padding: 14px; }

/* プラン */
.plan { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.plan .p { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 22px; display: grid; gap: 8px; align-content: start; }
.plan .p.cur { border-color: var(--navy); box-shadow: 0 0 0 1px var(--navy); }
.plan .price { font-family: var(--en); font-size: 30px; font-weight: 600; }
.plan .price small { font-size: 13px; color: var(--sub); font-family: var(--sans); }
.plan ul { margin: 0; padding-left: 1.2em; font-size: 14px; }

/* 読み込み中・お知らせ */
.busy { position: fixed; inset: 0; z-index: 50; background: rgba(255, 255, 255, .82); display: grid; place-items: center; text-align: center; }
.spin { display: inline-block; width: 34px; height: 34px; border: 3px solid var(--line); border-top-color: var(--navy); border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.toast { position: fixed; left: 50%; bottom: 84px; transform: translateX(-50%); z-index: 60; background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 8px; font-size: 14px; max-width: calc(100% - 32px); }

@media (max-width: 760px) {
  .nav { top: auto; bottom: 0; left: 0; right: 0; width: auto; height: 64px; flex-direction: row; padding: 4px 4px calc(4px + env(safe-area-inset-bottom)); border-right: 0; border-top: 1px solid var(--line); gap: 0; }
  .nav button { flex: 1; flex-direction: column; gap: 2px; font-size: 11px; padding: 6px 2px; justify-content: center; align-items: center; }
  .nav-plan { margin-top: 0; }
  .main { margin-left: 0; padding: 22px 16px 96px; }
  h1 { font-size: 22px; }
  .add { grid-template-columns: 1fr 1fr; }
  .add input:first-child { grid-column: 1 / -1; }
}
@media (prefers-reduced-motion: reduce) { .spin { animation: none; } }
@media print {
  .top, .nav, .vh, .drop, .row, .btn, .note-safe, .seg, .card-in, textarea { display: none !important; }
  .main { margin: 0; padding: 0; }
  .result { border: 0; }
}