/* =====================================================================
 * myFIT ナビ V2 ― スマホ専用の見た目
 * ---------------------------------------------------------------------
 * 値は tokens.css（Warm cream editorial のスタイル資料）。
 *
 *   紙は3段だけ: 卵の殻（画面）→ 温かい灰（カード）→ 石（線・札の地）
 *   文字は黒と温かい灰の3段。ボタンは黒い丸と、白い縁取りの丸の2種類
 *   色は「状態の点」にだけ使う
 *     オレンジの点 … 24時間以内の締切、授業中、消す操作
 *     紫の点       … 3日以内の締切
 *     灰の点       … 余裕のあるもの
 *   ホームの丸い玉（.orb）は飾り。締切が近いほどオレンジが濃くなる
 *
 *   - 文字は 13px 以上（タブだけ 11px）
 *   - 指で押す部分は高さ 44px 以上
 *   - 動きは prefers-reduced-motion で止める
 * ===================================================================== */

:root {
  --canvas: var(--color-eggshell);
  --card: var(--color-warm-taupe);
  --plate: var(--color-stone);
  --line: var(--color-stone);
  --ink: var(--color-ink);
  --ink-2: var(--color-graphite);
  --ink-3: var(--color-smoke);
  --ink-4: var(--color-ash);
  --hot: var(--color-ember-orange);
  --cool: var(--color-violet-spark);

  /* 以前の名前。v2.js の中の古い指定のため */
  --color-paper: var(--color-eggshell);
  --color-mid-gray: var(--color-smoke);
  --surface-card: var(--color-warm-taupe);

  --gutter: 16px;
  --nav-height: 64px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }

/* touch-action … ダブルタップの拡大を止める。ボタンを続けて押すと拡大してしまうため */
html { -webkit-text-size-adjust: 100%; touch-action: manipulation; background: var(--canvas); }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.55;
  letter-spacing: var(--tracking-body);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; letter-spacing: inherit; }
h1, h2, p, ul { margin: 0; padding: 0; font: inherit; }
ul { list-style: none; }
main:focus { outline: none; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

main {
  display: grid;
  gap: var(--spacing-12);
  grid-template-columns: minmax(0, 1fr);
  max-width: 560px;
  margin: 0 auto;
  padding: calc(env(safe-area-inset-top) + var(--spacing-16)) var(--gutter) calc(var(--nav-height) + env(safe-area-inset-bottom) + var(--spacing-24));
}

/* 画面が切り替わるとき、下から少し浮かぶ */
main > * { animation: rise .32s cubic-bezier(.2, .7, .2, 1) both; }
main > *:nth-child(2) { animation-delay: .03s; }
main > *:nth-child(3) { animation-delay: .06s; }
main > *:nth-child(4) { animation-delay: .09s; }
main > *:nth-child(n+5) { animation-delay: .12s; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- 下のタブ ---------- */
.nav {
  position: fixed;
  inset: auto 0 0;
  z-index: 10;
  display: flex;
  justify-content: center;
  gap: 2px;
  padding: 0 var(--spacing-8) env(safe-area-inset-bottom);
  background: rgba(253, 252, 252, .86);
  -webkit-backdrop-filter: saturate(1.4) blur(16px);
  backdrop-filter: saturate(1.4) blur(16px);
  border-top: 1px solid var(--line);
}
.nav a {
  flex: 1;
  max-width: 92px;
  min-width: 0;
  height: var(--nav-height);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  font-size: 11px;
  letter-spacing: 0;
  white-space: nowrap;
  color: var(--ink-3);
}
.nav svg {
  width: 48px;
  height: 30px;
  padding: 4px 13px;
  border-radius: var(--radius-full);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: background-color .2s, color .2s, transform .2s;
}
.nav a:active svg { transform: scale(.92); }
.nav a[aria-current="page"] { color: var(--ink); font-weight: 500; }
.nav a[aria-current="page"] svg { background: var(--ink); color: var(--canvas); stroke-width: 1.8; }

/* ---------- 見出し ---------- */
.title {
  font-family: var(--font-display);
  font-size: var(--text-heading);
  line-height: 1.15;
  letter-spacing: var(--tracking-display);
  font-weight: 300;
  padding: var(--spacing-8) var(--spacing-4) var(--spacing-4);
}
.count { font-size: 15px; font-weight: 400; letter-spacing: 0; color: var(--ink-3); margin-left: 8px; }
.head { display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-12); min-width: 0; }

/* ---------- ホームの玉 ----------
   締切の近さで色が変わる飾り。--heat が 0（余裕）〜1（24時間以内）。
   押すと「最新にする」 */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--spacing-12);
  min-height: 168px;
  padding: var(--spacing-8) var(--spacing-4) var(--spacing-4);
}
.hero-text { display: grid; gap: var(--spacing-8); min-width: 0; }
.greet { font-size: 14px; color: var(--ink-3); }
.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-display);
  line-height: 1.05;
  letter-spacing: var(--tracking-display);
  font-weight: 300;
}
.hero-line { font-size: 15px; line-height: 1.55; color: var(--ink-2); overflow-wrap: anywhere; }
.hero-line b { font-weight: 500; color: var(--ink); }
.hero .icon-link { position: absolute; top: 0; right: 0; z-index: 2; }

.orb {
  --heat: 0;
  --size: 124px;
  position: relative;
  width: var(--size);
  height: var(--size);
  margin-top: 52px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 28%, rgba(255, 255, 255, .95) 0 6%, rgba(255, 255, 255, 0) 30%),
    radial-gradient(circle at calc(70% - var(--heat) * 25%) 72%, var(--color-ember-orange) 0, rgba(255, 71, 4, 0) calc(28% + var(--heat) * 40%)),
    radial-gradient(circle at 78% 30%, var(--color-blush) 0, rgba(255, 143, 177, 0) 46%),
    radial-gradient(circle at 25% 75%, var(--color-violet-spark) 0, rgba(4, 71, 255, 0) calc(62% - var(--heat) * 30%)),
    #f2e9f6;
  box-shadow: inset -10px -14px 30px rgba(0, 0, 0, .08), 0 18px 40px -18px rgba(68, 64, 59, .45);
  cursor: pointer;
  animation: breathe 6s ease-in-out infinite;
  transition: transform .25s;
}
.orb:active { transform: scale(.95); }
.orb::after {
  content: attr(data-n);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #fff;
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 300;
  letter-spacing: -0.02em;
  text-shadow: 0 1px 12px rgba(0, 0, 0, .18);
}
.orb.busy { animation: spin 1.6s linear infinite; }
.orb.busy::after { content: ""; }
.orb.calm { --size: 112px; }
@keyframes breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.035); } }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- カード ---------- */
.card {
  background: var(--card);
  border: 0;
  border-radius: var(--radius-card);
  padding: var(--spacing-16) var(--spacing-20);
  min-width: 0;
}
.card-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
  font-size: 13px;
  line-height: 1.4;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-2);
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-12); min-height: 28px; }
.card-head + ul, .card-head + .none { margin-top: var(--spacing-4); }
.note { font-size: 13px; color: var(--ink-3); font-weight: 400; white-space: nowrap; }

.dot { width: 8px; height: 8px; flex: none; border-radius: 50%; background: var(--ink-4); }
.dot.now { background: var(--hot); box-shadow: 0 0 0 4px rgba(255, 71, 4, .14); }
.dot.soon { background: var(--cool); }

/* ---------- 行 ---------- */
.row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2px var(--spacing-12);
  align-items: start;
  min-height: 58px;
  align-content: center;
  padding: var(--spacing-12) 0;
  border-bottom: 1px solid var(--line);
}
li:last-child > .row, .row:last-child { border-bottom: 0; padding-bottom: var(--spacing-4); }
.main { font-size: 15px; line-height: 1.5; font-weight: 500; overflow-wrap: anywhere; }
.sub { grid-column: 1 / -1; font-size: 13px; line-height: 1.5; color: var(--ink-3); overflow-wrap: anywhere; }
.plan-row { width: 100%; border-top: 0; border-left: 0; border-right: 0; background: none; font: inherit; color: inherit; text-align: left; cursor: pointer; transition: opacity .15s; }
.plan-row:active { opacity: .55; }
.none { padding: var(--spacing-12) 0; color: var(--ink-3); }

/* 授業。左に時刻の列をそろえる */
.slot { grid-template-columns: 52px minmax(0, 1fr) auto; align-items: center; position: relative; }
.slot-time { display: grid; justify-items: start; line-height: 1.2; color: var(--ink); }
.slot-time b { font-size: 15px; font-weight: 500; font-variant-numeric: tabular-nums; }
.slot-time small { font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.slot-body { display: grid; min-width: 0; padding-left: var(--spacing-12); border-left: 1px solid var(--plate); }
.slot.now .slot-body { border-left: 2px solid var(--hot); }
.slot.moved .slot-body { border-left: 2px solid var(--cool); }
.slot.ended .slot-time, .slot.ended .slot-time small, .slot.ended .main, .slot.ended .sub { color: var(--ink-4); }
/* 授業中は、どこまで進んだかを細い線で見せる */
.slot-progress { position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--plate); border-radius: 2px; overflow: hidden; }
.slot-progress i { display: block; width: var(--p, 0%); height: 100%; background: linear-gradient(90deg, var(--cool), var(--hot)); border-radius: 2px; }

/* 札。地は紙、状態は左の小さな点 */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--canvas);
  box-shadow: var(--shadow-inset);
  color: var(--ink-2);
  font-size: 12px;
  line-height: 1.4;
  font-weight: 500;
  letter-spacing: 0;
  white-space: nowrap;
}
.badge.live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--hot); animation: pulse 1.8s ease-in-out infinite; }
.badge.later::before, .badge.soon::before, .badge.now::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ink-4); }
.badge.soon::before { background: var(--cool); }
.badge.now { background: var(--ink); color: var(--canvas); box-shadow: none; }
.badge.now::before { background: var(--hot); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

a.link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-12);
  min-height: 46px;
  font-weight: 500;
  overflow-wrap: anywhere;
}
.arrow { color: var(--ink-3); flex: none; transition: transform .2s; }
a.link:active .arrow { transform: translateX(3px); }
.link-card { padding-top: var(--spacing-4); padding-bottom: var(--spacing-4); }
.more { border-top: 1px solid var(--line); margin-top: var(--spacing-8); color: var(--ink); font-size: 14px; }
.more .arrow { color: inherit; }
a.notice-link { background: var(--ink); color: var(--canvas); }
a.notice-link .arrow { color: inherit; }

/* ---------- 畳める授業 ---------- */
.fold summary { display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-12); min-height: 36px; cursor: pointer; list-style: none; }
.fold summary::-webkit-details-marker { display: none; }
.fold summary::after { content: "›"; color: var(--ink-3); font-size: 20px; line-height: 1; transition: transform .2s; }
.fold[open] summary::after { transform: rotate(90deg); }
.fold summary .note { margin-left: auto; }
.fold[open] ul { margin-top: var(--spacing-4); }
.fold a.link { font-weight: 400; font-size: 14px; }

/* ---------- 切り替え（丸い札） ---------- */
.chips { display: flex; gap: var(--spacing-4); padding: 0; overflow-x: auto; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: 1;
  min-height: 40px;
  padding: 0 var(--spacing-12);
  border: 1px solid var(--color-button-line);
  border-radius: var(--radius-full);
  background: var(--canvas);
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color .2s, color .2s, transform .15s;
}
.chip:active { transform: scale(.96); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--canvas); }
.day-chip { display: grid; justify-items: center; align-content: center; gap: 0; min-height: 52px; padding: 0 var(--spacing-4); line-height: 1.25; border-radius: var(--radius-input); }
.day-chip small { font-size: 12px; font-weight: 400; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.day-chip[aria-pressed="true"] small { color: rgba(253, 252, 252, .7); }
.card-note { padding-top: var(--spacing-8); font-size: 13px; color: var(--ink-3); }
.hint { padding: 0 var(--spacing-4); font-size: 13px; color: var(--ink-3); }

/* ---------- シラバス ---------- */
.syllabus { display: grid; gap: var(--spacing-16); padding-bottom: var(--spacing-8); }
.syl-row dt { font-size: 12px; font-weight: 500; letter-spacing: 0.04em; color: var(--ink-3); }
.syl-row dd { margin: 4px 0 0; font-size: 15px; line-height: 1.7; color: var(--ink); overflow-wrap: anywhere; }
.syl-row a { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- カレンダー ---------- */
.month { display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-8); }
.month-title { font-family: var(--font-display); font-size: 24px; line-height: 1.2; font-weight: 300; letter-spacing: -0.02em; }
.icon-btn {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-button-line);
  border-radius: var(--radius-full);
  background: var(--canvas);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: transform .15s;
}
.icon-btn:active { transform: scale(.92); }
.week, .days { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); }
.week { margin-top: var(--spacing-12); }
.week span { padding-bottom: var(--spacing-8); text-align: center; font-size: 12px; font-weight: 500; color: var(--ink-3); }
.week span:first-child, .week span:last-child { color: var(--ink-4); }
.days { gap: 2px; }
.day {
  min-height: 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 6px 0 0;
  border: 0;
  border-radius: var(--radius-input);
  background: none;
  color: var(--ink);
  font-size: 15px;
  line-height: 20px;
  cursor: pointer;
  transition: background-color .15s;
}
.day.past { color: var(--ink-4); }
.day-n { width: 30px; height: 26px; line-height: 26px; border-radius: var(--radius-full); text-align: center; font-variant-numeric: tabular-nums; }
.day.today .day-n { background: var(--ink); color: var(--canvas); font-weight: 500; }
.day[aria-pressed="true"] { background: var(--canvas); box-shadow: var(--shadow-whisper); }
.marks { display: flex; gap: 3px; height: 14px; align-items: center; }
/* 件数は数字、状態は点 */
.mark {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  min-width: 0;
  height: 14px;
  padding: 0;
  background: none;
  color: var(--ink-3);
  font-size: 11px;
  line-height: 14px;
  font-weight: 500;
}
.mark::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ink-4); }
.mark.soon::before { background: var(--cool); }
.mark.now { color: var(--ink); }
.mark.now::before { background: var(--hot); }

/* ---------- 検索 ---------- */
.search {
  display: block;
  width: 100%;
  height: 46px;
  padding: 0 var(--spacing-20);
  border: 1px solid var(--color-button-line);
  border-radius: var(--radius-full);
  background: var(--canvas);
  font: inherit;
  font-size: 16px; /* 16px 未満だと iPhone が勝手に拡大する */
  color: var(--ink);
  -webkit-appearance: none;
  appearance: none;
}
.search:focus { outline: none; border-color: var(--ink); }
.search::placeholder { color: var(--ink-4); }

/* ---------- ロッカー ---------- */
.lk { display: flex; align-items: center; gap: var(--spacing-4); border-bottom: 1px solid var(--line); }
.lk:last-child { border-bottom: 0; }
.lk-open { flex: 1; min-width: 0; min-height: 62px; display: flex; align-items: center; gap: var(--spacing-12); padding: var(--spacing-8) 0; }
.lk-open:active { opacity: .55; }
.lk-text { display: grid; min-width: 0; }
.tile {
  width: 42px;
  height: 42px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: var(--radius-input);
  background: var(--canvas);
  box-shadow: var(--shadow-inset);
  color: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0;
}
.tile.folder { background: var(--plate); box-shadow: none; }
.tile svg { width: 22px; height: 22px; fill: var(--ink-2); }
.dots {
  width: 44px;
  height: 44px;
  flex: none;
  margin-right: -12px;
  display: grid;
  place-items: center;
  border: 0;
  background: none;
  color: var(--ink-3);
  font-size: 20px;
  cursor: pointer;
}
.dots svg { width: 20px; height: 20px; fill: currentColor; }

.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 0 var(--spacing-4); padding: 0 var(--spacing-4); font-size: 14px; }
.crumb { padding: var(--spacing-4) 0; color: var(--ink-3); font-weight: 500; overflow-wrap: anywhere; }
.crumb + .crumb::before { content: "/"; margin-right: var(--spacing-4); color: var(--ink-4); font-weight: 400; }
.crumb[aria-current] { color: var(--ink); }

#lkQueue:empty { display: none; }
.up {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--spacing-4) var(--spacing-12);
  padding: var(--spacing-8) 0;
}
.up-name { font-size: 14px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.up-state { font-size: 13px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.up .bar { grid-column: 1 / -1; }
.up.fail { grid-template-columns: minmax(0, 1fr) auto; }
.up.fail .up-state { grid-row: 2; color: var(--hot); }
.up.fail .dots { grid-row: 1 / span 2; grid-column: 2; }

.bar { display: block; height: 4px; border-radius: 2px; background: var(--plate); overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 2px; background: linear-gradient(90deg, var(--cool), var(--hot)); transition: width .3s; }

.usage { display: grid; gap: var(--spacing-8); padding: 0 var(--spacing-4); font-size: 13px; color: var(--ink-3); }

/* ---------- 下から出るメニュー ---------- */
.sheet {
  position: fixed;
  inset: auto 0 0;
  width: 100%;
  max-width: 560px;
  max-height: 84dvh;
  margin: 0 auto;
  padding: var(--spacing-12) var(--spacing-20) calc(env(safe-area-inset-bottom) + var(--spacing-16));
  border: 0;
  border-radius: var(--radius-large) var(--radius-large) 0 0;
  background: var(--canvas);
  color: var(--ink);
  overflow-y: auto;
}
.sheet[open] { animation: sheet-up .28s cubic-bezier(.2, .8, .2, 1); }
@keyframes sheet-up { from { transform: translateY(40px); opacity: .4; } to { transform: none; opacity: 1; } }
/* つまみ */
.sheet::before { content: ""; display: block; width: 36px; height: 4px; margin: 0 auto var(--spacing-16); border-radius: 2px; background: var(--plate); }
.sheet::backdrop { background: rgba(68, 64, 59, .32); -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px); }
.sheet-title { padding-bottom: var(--spacing-8); font-family: var(--font-display); font-size: 24px; line-height: 1.25; font-weight: 300; letter-spacing: -0.02em; overflow-wrap: anywhere; }
.sheet-text { padding-bottom: var(--spacing-12); color: var(--ink-2); overflow-wrap: anywhere; }
.sheet-btn {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 52px;
  padding: var(--spacing-8) 0;
  border: 0;
  border-top: 1px solid var(--line);
  background: none;
  font-size: 16px;
  font-weight: 400;
  text-align: left;
  overflow-wrap: anywhere;
  cursor: pointer;
}
.sheet-btn:active { opacity: .55; }
.sheet-btn.danger { color: var(--hot); }
.sheet-btn.cancel {
  justify-content: center;
  margin-top: var(--spacing-12);
  min-height: 48px;
  border: 1px solid var(--color-button-line);
  border-radius: var(--radius-full);
  color: var(--ink-2);
  font-weight: 500;
}
.sheet-form { display: grid; gap: var(--spacing-12); }
.sheet-actions { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-8); margin-top: var(--spacing-4); }
.sheet-actions .sheet-btn { margin-top: 0; }
.field { display: grid; grid-template-columns: 72px minmax(0, 1fr); align-items: center; gap: var(--spacing-8); font-size: 13px; color: var(--ink-3); }
.field[hidden] { display: none; }
.field input, .field select {
  width: 100%;
  min-width: 0;
  height: 46px;
  padding: 0 var(--spacing-12);
  border: 1px solid var(--line);
  border-radius: var(--radius-input);
  background: var(--card);
  font: inherit;
  font-size: 16px; /* 16px 未満だと iPhone が勝手に拡大する */
  color: var(--ink);
}
.field input:focus, .field select:focus { outline: none; border-color: var(--ink); }
.field input { -webkit-appearance: none; appearance: none; } /* iPhone の日付欄が枠からはみ出さないように */
.note-box { height: 92px; padding: var(--spacing-12) var(--spacing-16); border-radius: var(--radius-input); resize: vertical; }
.sheet-list { display: grid; gap: 2px; margin: 0 0 var(--spacing-12); padding-left: 1.2em; color: var(--ink-2); overflow-wrap: anywhere; }
.sheet .notice { margin-bottom: var(--spacing-12); }
.check { display: flex; align-items: center; gap: var(--spacing-8); min-height: 44px; padding-left: 80px; font-size: 15px; }
.check input { width: 20px; height: 20px; margin: 0; accent-color: var(--ink); }

.toast {
  position: fixed;
  z-index: 20;
  left: 50%;
  bottom: calc(var(--nav-height) + env(safe-area-inset-bottom) + var(--spacing-16));
  transform: translateX(-50%);
  max-width: calc(100vw - 32px);
  padding: var(--spacing-12) var(--spacing-20);
  border-radius: var(--radius-full);
  background: var(--ink);
  color: var(--canvas);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  animation: toast-in .25s cubic-bezier(.2, .8, .2, 1);
}
.toast[hidden] { display: none; }
@keyframes toast-in { from { transform: translate(-50%, 12px); opacity: 0; } to { transform: translate(-50%, 0); opacity: 1; } }

/* 提出できたときの紙吹雪（2色の火花） */
.burst { position: fixed; z-index: 30; left: 50%; top: 40%; width: 0; height: 0; pointer-events: none; }
.burst i {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c);
  animation: fly 1.1s cubic-bezier(.15, .7, .3, 1) forwards;
}
@keyframes fly {
  from { transform: translate(0, 0) scale(1); opacity: 1; }
  to { transform: translate(var(--x), var(--y)) scale(.4); opacity: 0; }
}

/* ---------- 設定・はじめかた ---------- */
.icon-link {
  width: 44px;
  height: 44px;
  flex: none;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-button-line);
  border-radius: var(--radius-full);
  background: var(--canvas);
  color: var(--ink);
}
.icon-link svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
.card-text { margin-top: var(--spacing-4); color: var(--ink-2); overflow-wrap: anywhere; }
.actions { display: flex; flex-wrap: wrap; gap: var(--spacing-8); margin-top: var(--spacing-12); }
.actions .pill { flex: 1; }
.steps { display: grid; gap: var(--spacing-12); margin: 0; padding: 0; list-style: none; }
.lk .lk-open.static { min-height: 56px; }

/* ---------- 状態 ---------- */
.notice {
  display: flex;
  gap: var(--spacing-8);
  padding: var(--spacing-12) var(--spacing-16);
  border-radius: var(--radius-input);
  background: var(--card);
  color: var(--ink-2);
  font-size: 14px;
  overflow-wrap: anywhere;
}
.notice::before { content: ""; flex: none; width: 8px; height: 8px; margin-top: 7px; border-radius: 50%; background: var(--hot); }
.foot { display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-12); padding: 0 var(--spacing-4); font-size: 13px; color: var(--ink-3); }
.foot a, .foot button { min-height: 44px; display: flex; align-items: center; padding: 0; border: 0; background: none; cursor: pointer; font-size: 14px; color: inherit; }
.foot #refreshNow {
  padding: 0 var(--spacing-16);
  border: 1px solid var(--color-button-line);
  border-radius: var(--radius-full);
  background: var(--canvas);
  color: var(--ink);
  font-weight: 500;
}
.foot #refreshNow:disabled { color: var(--ink-3); font-weight: 400; cursor: default; }

.connect { display: grid; gap: var(--spacing-12); }
.connect textarea {
  width: 100%;
  min-height: 96px;
  padding: var(--spacing-12) var(--spacing-16);
  border: 1px solid var(--line);
  border-radius: var(--radius-input);
  background: var(--canvas);
  font: inherit;
  font-size: 16px;
  resize: vertical;
}

/* ボタン。黒い丸（主）と、縁取りの丸（従）だけ */
.pill {
  min-height: 46px;
  padding: 0 var(--spacing-20);
  border: 1px solid var(--ink);
  border-radius: var(--radius-full);
  background: var(--ink);
  color: var(--canvas);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .15s, opacity .15s;
}
.pill:active { transform: scale(.97); }
a.pill { display: flex; align-items: center; justify-content: center; text-align: center; }
.pill.quiet { background: var(--canvas); border-color: var(--color-button-line); color: var(--ink); }
.head-btn { min-height: 36px; padding: 0 var(--spacing-16); font-size: 14px; }
.pill.danger { background: var(--hot); border-color: var(--hot); color: #fff; }
.pill:disabled { opacity: .4; cursor: default; transform: none; }
.ghost {
  min-height: 44px;
  padding: 0 var(--spacing-4);
  border: 0;
  background: none;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
}
.ghost.danger { color: var(--hot); }


/* =====================================================================
 * みんな（共有スペースとチャット）
 * ===================================================================== */
.nav a { position: relative; }
.nav-badge {
  position: absolute;
  top: 6px;
  left: calc(50% + 6px);
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: var(--radius-full);
  background: var(--hot);
  color: #fff;
  font-size: 11px;
  font-style: normal;
  font-weight: 600;
  line-height: 18px;
  text-align: center;
  box-shadow: 0 0 0 2px var(--canvas);
}

/* 頭文字の丸。人ごとの色 */
.ava {
  position: relative;
  width: 40px;
  height: 40px;
  flex: none;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 28%, rgba(255, 255, 255, .55) 0 10%, transparent 42%), var(--c);
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  line-height: 1;
}
.ava-s { width: 28px; height: 28px; font-size: 12px; }
.ava-on { position: absolute; right: -1px; bottom: -1px; width: 10px; height: 10px; border-radius: 50%; background: #1f8a57; box-shadow: 0 0 0 2px var(--card); }
.soc-me { padding: 0; border: 0; background: none; }

.soc-hero { position: relative; display: grid; gap: var(--spacing-8); padding: var(--spacing-24) var(--spacing-4) var(--spacing-8); }
.soc-orbs { position: relative; display: block; width: 150px; height: 96px; margin-bottom: var(--spacing-8); }
.soc-orbs span { position: absolute; border-radius: 50%; animation: breathe 6s ease-in-out infinite; }
.soc-orbs span:nth-child(1) { left: 0; top: 18px; width: 72px; height: 72px; background: radial-gradient(circle at 30% 28%, #fff 0 8%, transparent 34%), var(--color-violet-spark); }
.soc-orbs span:nth-child(2) { left: 46px; top: 0; width: 60px; height: 60px; background: radial-gradient(circle at 30% 28%, #fff 0 8%, transparent 34%), var(--color-blush); animation-delay: -2s; }
.soc-orbs span:nth-child(3) { left: 88px; top: 30px; width: 56px; height: 56px; background: radial-gradient(circle at 30% 28%, #fff 0 8%, transparent 34%), var(--color-ember-orange); animation-delay: -4s; }
.soc-orbs.small { width: 100px; height: 64px; margin: 0 auto var(--spacing-8); transform: scale(.66); transform-origin: center; }

.soc-actions { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-8); }
.soc-big {
  display: grid;
  justify-items: start;
  gap: 2px;
  min-height: 112px;
  padding: var(--spacing-16);
  border: 0;
  border-radius: var(--radius-card);
  background: var(--card);
  text-align: left;
  cursor: pointer;
  transition: transform .15s;
}
.soc-big:active { transform: scale(.97); }
.soc-big:first-child { background: var(--ink); color: var(--canvas); }
.soc-big-ico { display: grid; place-items: center; width: 34px; height: 34px; margin-bottom: auto; border-radius: 50%; background: rgba(127, 127, 127, .18); font-size: 18px; }
.soc-big b { font-size: 15px; font-weight: 500; }
.soc-big small { font-size: 12px; opacity: .7; }

.soc-list > li + li { border-top: 1px solid var(--line); }
.soc-row { display: flex; align-items: center; gap: var(--spacing-12); min-height: 66px; padding: var(--spacing-8) 0; }
.soc-row:active { opacity: .55; }
.soc-stack { display: inline-flex; flex: none; align-items: center; }
.soc-stack .ava + .ava { margin-left: -10px; box-shadow: 0 0 0 2px var(--card); }
.soc-stack small { margin-left: 4px; font-size: 12px; color: var(--ink-3); }
.soc-main { display: grid; flex: 1; min-width: 0; }
.soc-main b { font-size: 15px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.soc-main small { font-size: 13px; color: var(--ink-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.soc-side { display: grid; justify-items: end; gap: 4px; flex: none; }
.soc-side small { font-size: 12px; color: var(--ink-4); }
.soc-unread { min-width: 22px; height: 22px; padding: 0 7px; border-radius: var(--radius-full); background: var(--hot); color: #fff; font-size: 12px; font-style: normal; font-weight: 600; line-height: 22px; text-align: center; }

/* 会話の頭とタブ。まとめて上に貼りつく */
.soc-top {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  gap: var(--spacing-8);
  margin: calc(-1 * var(--spacing-16)) calc(-1 * var(--gutter)) 0;
  padding: calc(env(safe-area-inset-top) + var(--spacing-8)) var(--gutter) var(--spacing-8);
  background: rgba(253, 252, 252, .9);
  -webkit-backdrop-filter: saturate(1.4) blur(16px);
  backdrop-filter: saturate(1.4) blur(16px);
  border-bottom: 1px solid var(--line);
}
main > .soc-top { animation: none; } /* 浮き上がる動きの transform が貼りつきを邪魔しないように */
.soc-head {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 44px;
  align-items: center;
  gap: var(--spacing-8);
}
.soc-top .soc-tabs .chip { min-height: 36px; }
.soc-head .icon-link { font-size: 22px; line-height: 1; }
.soc-head-main { display: grid; justify-items: center; gap: 2px; min-width: 0; }
.soc-head-main h1 { max-width: 100%; font-size: 16px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.soc-head-main .ava-s { width: 20px; height: 20px; font-size: 10px; }
.soc-tabs a.chip { display: grid; place-items: center; }

.chat-list { display: grid; gap: 2px; padding-bottom: 76px; }
.chat-day { display: flex; justify-content: center; margin: var(--spacing-12) 0 var(--spacing-8); }
.chat-day span { padding: 3px 12px; border-radius: var(--radius-full); background: var(--card); color: var(--ink-3); font-size: 12px; }
.chat-msg { display: grid; grid-template-columns: 28px minmax(0, auto) auto; align-items: end; justify-content: start; gap: 6px; margin-top: var(--spacing-8); animation: rise .25s cubic-bezier(.2, .8, .2, 1) both; }
.chat-msg.chain { margin-top: 0; }
.chat-msg.mine { grid-template-columns: auto minmax(0, auto); justify-content: end; }
.chat-msg.mine .chat-time { grid-row: 1; grid-column: 1; }
.chat-msg.mine .chat-col { grid-column: 2; }
.ava-gap { width: 28px; }
.chat-col { display: grid; gap: 2px; min-width: 0; max-width: min(78vw, 420px); }
.chat-name { padding-left: 12px; font-size: 12px; color: var(--ink-3); }
.chat-bubble { padding: 9px 14px; border-radius: 20px 20px 20px 6px; background: var(--card); overflow-wrap: anywhere; }
.chat-msg.chain .chat-bubble { border-top-left-radius: 6px; }
.chat-msg.mine .chat-bubble { border-radius: 20px 20px 6px 20px; background: var(--ink); color: var(--canvas); }
.chat-msg.mine.chain .chat-bubble { border-top-right-radius: 6px; }
.chat-bubble p { font-size: 15px; line-height: 1.55; }
.chat-bubble a { text-decoration: underline; text-underline-offset: 2px; }
.chat-time { font-size: 11px; color: var(--ink-4); font-variant-numeric: tabular-nums; }
.chat-file { display: flex; align-items: center; gap: var(--spacing-12); text-decoration: none !important; }
.chat-file span:last-child { display: grid; min-width: 0; }
.chat-file b { font-size: 14px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-file small { font-size: 12px; opacity: .7; }
.chat-msg.mine .chat-file .tile { background: rgba(255, 255, 255, .14); color: var(--canvas); box-shadow: none; }
.chat-empty { display: grid; justify-items: center; gap: var(--spacing-8); padding: var(--spacing-48) 0; color: var(--ink-3); text-align: center; }

/* 書く欄。下のタブの上に貼りつく */
.chat-bar {
  position: fixed;
  z-index: 9;
  left: 50%;
  bottom: calc(var(--nav-height) + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  display: flex;
  align-items: flex-end;
  gap: var(--spacing-8);
  width: 100%;
  max-width: 560px;
  padding: var(--spacing-8) var(--gutter);
  background: rgba(253, 252, 252, .92);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--line);
}
main > .chat-bar { animation: none; } /* 浮き上がる動きの transform が中央寄せを上書きしないように */
.chat-bar textarea {
  flex: 1;
  min-height: 42px;
  max-height: 140px;
  padding: 10px 16px;
  border: 1px solid var(--color-button-line);
  border-radius: 21px;
  background: var(--canvas);
  font: inherit;
  font-size: 16px; /* 16px 未満だと iPhone が勝手に拡大する */
  line-height: 1.4;
  resize: none;
}
.chat-bar textarea:focus { outline: none; border-color: var(--ink); }
.chat-send, .chat-attach {
  width: 42px;
  height: 42px;
  flex: none;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--ink);
  color: var(--canvas);
  font-size: 18px;
  cursor: pointer;
  transition: transform .15s;
}
.chat-attach { background: var(--card); color: var(--ink); font-size: 22px; }
.chat-send:active, .chat-attach:active { transform: scale(.9); }

.lk-open.plan-row { border: 0; }
/* 送信中・既読・入力中 */
.chat-msg.pending .chat-bubble { opacity: .55; }
.chat-time { display: grid; justify-items: end; gap: 0; line-height: 1.3; }
.chat-msg:not(.mine) .chat-time { justify-items: start; }
.chat-read { font-size: 11px; color: var(--ink-3); }
.chat-read:empty { display: none; }
.chat-state { color: var(--ink-3); }
.chat-retry { padding: 0; border: 0; background: none; color: var(--hot); font-size: 11px; cursor: pointer; }
.chat-typing { animation: rise .2s ease both; }
.dots3 { display: inline-flex; gap: 4px; padding: 4px 2px; }
.dots3 i { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-3); animation: dot3 1.2s ease-in-out infinite; }
.dots3 i:nth-child(2) { animation-delay: .15s; }
.dots3 i:nth-child(3) { animation-delay: .3s; }
@keyframes dot3 { 0%, 60%, 100% { transform: translateY(0); opacity: .4; } 30% { transform: translateY(-4px); opacity: 1; } }

/* 見ていない会話の新着。上から降りてきて、押すとその会話へ */
.soc-banner {
  position: fixed;
  z-index: 30;
  left: 50%;
  top: calc(env(safe-area-inset-top) + 8px);
  display: flex;
  align-items: center;
  gap: var(--spacing-12);
  width: min(520px, calc(100% - 24px));
  padding: var(--spacing-12) var(--spacing-16);
  border-radius: var(--radius-card);
  background: rgba(253, 252, 252, .96);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: 0 16px 40px -18px rgba(0, 0, 0, .4), var(--shadow-inset);
  transform: translate(-50%, -140%);
  transition: transform .35s cubic-bezier(.2, .9, .2, 1);
}
.soc-banner.show { transform: translate(-50%, 0); }
.soc-banner span:last-child { display: grid; min-width: 0; }
.soc-banner b { font-size: 14px; font-weight: 500; }
.soc-banner small { font-size: 13px; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.soc-picks { display: grid; gap: 2px; max-height: 40dvh; overflow-y: auto; }
.soc-pick { display: flex; align-items: center; gap: var(--spacing-12); min-height: 52px; padding: 0 var(--spacing-4); border-bottom: 1px solid var(--line); font-size: 15px; cursor: pointer; }
.soc-pick input { width: 20px; height: 20px; margin: 0; accent-color: var(--ink); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- 共有スペースのフォルダ ---------- */
.head-btns { display: flex; gap: var(--spacing-8); align-items: center; }
.chat-msg.mine .chat-folder .tile.folder svg { fill: var(--canvas); }
#socDrop { transition: box-shadow .15s ease, background-color .15s ease; }
#socDrop.drop-on { box-shadow: inset 0 0 0 2px var(--ink); background: var(--plate); }

/* ---------- 勉強タイマー ---------- */
.st-modes { justify-content: center; margin: var(--spacing-8) 0 var(--spacing-4); }
.st-modes .chip:disabled:not([aria-pressed="true"]) { opacity: .35; }
.st-modes .chip:disabled { cursor: default; }
.st-dial { position: relative; width: min(78vw, 300px); aspect-ratio: 1; margin: var(--spacing-16) auto var(--spacing-8); }
.st-dial svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.st-track { fill: none; stroke: var(--plate); stroke-width: 6; }
.st-prog { fill: none; stroke: var(--ink); stroke-width: 6; stroke-linecap: round; transition: stroke-dashoffset .5s linear, stroke .3s; }
.st-dial.is-break .st-prog { stroke: var(--cool); }
.st-dial.is-paused .st-prog { stroke: var(--ink-4); }
.st-dial::before { content: ""; position: absolute; inset: 14%; border-radius: 50%; background: radial-gradient(circle at 32% 28%, rgba(255, 255, 255, .9) 0 8%, transparent 40%), var(--card); }
.st-dial.is-break::before { background: radial-gradient(circle at 32% 28%, rgba(255, 255, 255, .9) 0 8%, transparent 40%), color-mix(in srgb, var(--cool) 14%, var(--card)); }
.st-center { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 2px; }
.st-phase { font-size: 13px; color: var(--ink-3); letter-spacing: .08em; }
.st-time { font-size: clamp(44px, 14vw, 60px); font-weight: 300; font-variant-numeric: tabular-nums; letter-spacing: -.02em; line-height: 1.05; }
.st-round { min-height: 16px; font-size: 12px; color: var(--ink-3); }
.st-label { display: flex; align-items: center; justify-content: center; gap: var(--spacing-8); margin: 0 auto var(--spacing-12); min-height: 44px; padding: 0 var(--spacing-16); border: 1px solid var(--line); border-radius: 999px; background: var(--canvas); color: var(--ink); font-size: 15px; cursor: pointer; }
.st-set { display: flex; align-items: center; gap: var(--spacing-12); margin: 0 0 var(--spacing-8); }
.st-set > span { flex: none; width: 2.5em; font-size: 13px; color: var(--ink-3); }
.st-controls { display: flex; justify-content: center; gap: var(--spacing-8); margin: var(--spacing-16) 0 var(--spacing-24); }
.st-controls .pill { min-width: 0; min-height: 48px; padding: 0 var(--spacing-16); }
.st-main { min-width: 128px !important; }
.st-live { width: 100%; margin-bottom: var(--spacing-16); padding: var(--spacing-12) var(--spacing-16); border: 0; border-radius: var(--radius-card); background: var(--card); color: var(--ink); text-align: left; cursor: pointer; }
.st-live-dot { flex: none; width: 12px; height: 12px; border-radius: 50%; background: var(--hot); box-shadow: 0 0 0 5px rgba(255, 71, 4, .14); animation: pulse 1.8s ease-in-out infinite; }
.st-sum { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-8); margin-bottom: var(--spacing-16); }
.st-sum div { display: grid; gap: 2px; }
.st-sum small { font-size: 12px; color: var(--ink-3); }
.st-sum b { font-size: 18px; font-weight: 400; }
.st-bars { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; height: 120px; align-items: end; }
.st-bar { display: grid; grid-template-rows: auto 1fr auto; height: 100%; justify-items: center; gap: 4px; font-size: 11px; color: var(--ink-3); }
.st-bar i { align-self: end; width: 100%; max-width: 26px; min-height: 2px; border-radius: 6px 6px 2px 2px; background: var(--plate); }
.st-bar.today i { background: var(--ink); }
.st-bar-n { font-size: 10px; white-space: nowrap; }
.st-labs { margin-top: var(--spacing-16); }
.st-lab { display: flex; justify-content: space-between; padding: var(--spacing-8) 0; border-top: 1px solid var(--line); font-size: 14px; }
.st-lab b { font-weight: 400; }
.st-home { display: flex; align-items: center; gap: var(--spacing-12); }
.st-home-ico { display: grid; place-items: center; flex: none; width: 36px; height: 36px; border-radius: 50%; background: var(--canvas); font-size: 18px; }
.st-home.on .st-home-ico { background: var(--ink); color: var(--canvas); }
.st-home-text { display: grid; flex: 1; min-width: 0; }
.st-home-text small { font-size: 12px; color: var(--ink-3); }
.st-home-text b { font-weight: 500; font-variant-numeric: tabular-nums; }

/* ---------- 勉強ライブ ---------- */
.soc-live { color: var(--hot) !important; }
.soc-live-dot { display: inline-block; width: 7px; height: 7px; margin-left: 2px; border-radius: 50%; background: var(--hot); vertical-align: middle; animation: pulse 1.8s ease-in-out infinite; }
.chip[aria-pressed="true"] .soc-live-dot { background: var(--canvas); }
.live-hero { display: grid; gap: var(--spacing-8); padding: var(--spacing-16) var(--spacing-4) var(--spacing-8); }
.live-who li { display: flex; align-items: center; gap: var(--spacing-12); padding: var(--spacing-8) 0; }
.live-who li + li { border-top: 1px solid var(--line); }
.live-who span { display: grid; }
.live-who small { font-size: 12px; color: var(--ink-3); }
.live-join { display: grid; gap: var(--spacing-12); }
.live-opt { display: flex; gap: var(--spacing-12); align-items: flex-start; cursor: pointer; }
.live-opt input { flex: none; width: 22px; height: 22px; margin-top: 1px; accent-color: var(--ink); }
.live-opt span { display: grid; gap: 2px; }
.live-opt b { font-weight: 500; }
.live-opt small { font-size: 12px; color: var(--ink-3); line-height: 1.5; }
.live-join .pill { justify-self: center; min-height: 48px; }
.live-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-8); margin-top: var(--spacing-8); padding-bottom: 96px; }
@media (min-width: 640px) { .live-grid { grid-template-columns: repeat(3, 1fr); } }
.live-tile { position: relative; overflow: hidden; border-radius: var(--radius-card); background: var(--card); box-shadow: 0 0 0 0 transparent; transition: box-shadow .3s; }
.live-tile.is-focus { box-shadow: 0 0 0 2px var(--ink); }
.live-media { position: relative; aspect-ratio: 3 / 4; display: grid; place-items: center; overflow: hidden; background: var(--plate); }
.live-img, .live-self { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.live-self { transform: scaleX(-1); }
.live-ava .ava { width: 72px; height: 72px; font-size: 28px; }
.live-tile.is-focus .live-ava .ava { animation: breathe 4s ease-in-out infinite; }
.live-info { display: grid; gap: 1px; padding: var(--spacing-8) var(--spacing-12) var(--spacing-12); }
.live-info b { font-size: 14px; font-weight: 500; }
.live-info span { font-size: 15px; font-variant-numeric: tabular-nums; }
.live-info small { font-size: 11px; color: var(--ink-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.live-rec { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--hot); vertical-align: middle; animation: pulse 1.8s ease-in-out infinite; }
.live-cheer-btn { position: absolute; top: 8px; right: 8px; width: 40px; height: 40px; border: 0; border-radius: 50%; background: rgba(253, 252, 252, .86); font-size: 18px; cursor: pointer; }
.live-float { position: absolute; bottom: 40%; font-size: 34px; pointer-events: none; animation: cheer-up 1.8s ease-out forwards; }
@keyframes cheer-up { from { opacity: 0; transform: translateY(20px) scale(.6); } 15% { opacity: 1; transform: translateY(0) scale(1.15); } to { opacity: 0; transform: translateY(-120px) scale(1); } }
.live-cheers { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-8); margin: var(--spacing-8) 0 var(--spacing-12); }
.live-cheer { min-height: 64px; border: 0; border-radius: var(--radius-card); background: var(--card); font-size: 30px; cursor: pointer; }
main > .live-bar { animation: none; }
.live-bar { position: fixed; left: 50%; bottom: calc(var(--nav-height) + env(safe-area-inset-bottom) + 10px); z-index: 20; display: flex; gap: 6px; width: min(calc(100% - 24px), 560px); padding: 6px; border-radius: 999px; background: var(--ink); color: var(--canvas); transform: translateX(-50%); box-shadow: 0 10px 30px rgba(0, 0, 0, .18); }
.live-btn { flex: none; min-height: 44px; padding: 0 var(--spacing-12); border: 0; border-radius: 999px; background: rgba(255, 255, 255, .12); color: inherit; font-size: 13px; cursor: pointer; white-space: nowrap; }
.live-btn.on { background: var(--hot); }
.live-btn.leave { background: transparent; }
.live-timer { flex: 1; min-width: 0; display: flex; align-items: center; justify-content: center; gap: 6px; }
.live-timer b { font-weight: 500; font-variant-numeric: tabular-nums; }
.live-timer small { opacity: .7; font-size: 12px; }
@media (prefers-reduced-motion: reduce) { .live-float, .st-live-dot, .live-rec, .soc-live-dot { animation: none; } }

/* ---------- 会話の画面（LINE と同じく、キーボードに合わせて縮む1枚の画面） ----------
   v2.js の fitChat が --vvh（見えている高さ）と --vvy（見えている部分の位置）を入れる */
body.in-chat { overflow: hidden; overscroll-behavior: none; }
body.in-chat main {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  height: calc(var(--vvh, 100vh) - var(--nav-height) - env(safe-area-inset-bottom));
  margin: 0 auto;
  padding: 0;
  overflow: hidden;
  transform: translateY(var(--vvy, 0px));
}
body.in-chat.kb-open main { height: var(--vvh, 100vh); }
body.kb-open .nav { display: none; }
body.in-chat .soc-top { position: relative; flex: none; margin: 0; }
body.in-chat .chat-list {
  flex: 1;
  min-height: 0;
  align-content: start;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: var(--spacing-4) var(--gutter) var(--spacing-12);
}
body.in-chat main > .chat-bar { position: relative; left: auto; bottom: auto; flex: none; transform: none; }
body.in-chat main > .card { margin: var(--spacing-12) var(--gutter); }

/* ---------- AI アシスタント ---------- */
.ai-who { font-size: 11px; color: var(--ink-3); }
.ai-orb { display: block; width: 88px; height: 88px; border-radius: 50%; background: radial-gradient(circle at 30% 28%, #fff 0 9%, transparent 36%), conic-gradient(from 200deg, var(--color-violet-spark), var(--color-blush), var(--color-ember-orange), var(--color-violet-spark)); animation: breathe 5s ease-in-out infinite, spin 18s linear infinite; }
.ai-orb.small { width: 36px; height: 36px; flex: none; }
.ai-hero { display: grid; justify-items: start; gap: var(--spacing-12); padding: var(--spacing-24) var(--spacing-4) var(--spacing-8); list-style: none; }
.ai-suggest { display: flex; flex-wrap: wrap; gap: var(--spacing-8); }
.ai-suggest .chip { white-space: normal; text-align: left; min-height: 36px; }
.ai-entry { display: flex; align-items: center; gap: var(--spacing-12); }
.ai-entry-text { display: grid; flex: 1; min-width: 0; }
.ai-entry-text b { font-weight: 500; }
.ai-entry-text small { font-size: 12px; color: var(--ink-3); }
.ai-msg { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: var(--spacing-8); margin: var(--spacing-12) 0 var(--spacing-4); animation: rise .25s ease both; }
.ai-spark { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--ink); color: var(--canvas); font-size: 12px; }
.ai-col { display: grid; gap: var(--spacing-8); min-width: 0; }
.ai-text { font-size: 15px; line-height: 1.65; overflow-wrap: anywhere; }
.ai-text p + p { margin-top: 2px; }
.ai-text .ai-gap { height: 6px; }
.ai-text ul, .ai-text ol { margin: 4px 0; padding-left: 1.3em; }
.ai-text ul { list-style: disc; }
.ai-text ol { list-style: decimal; }
.ai-text li + li { margin-top: 2px; }
.ai-text a { color: var(--cool); }
.ai-tools { display: flex; flex-wrap: wrap; gap: 6px; }
.ai-tool { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 999px; background: var(--card); color: var(--ink-3); font-size: 12px; }
.ai-tool::before { content: "✓"; font-size: 11px; }
.ai-tool.now::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--cool); animation: pulse 1s ease-in-out infinite; }
.ai-think { padding: 2px 0; }
.ai-note { margin: var(--spacing-8) auto; padding: 4px 12px; border-radius: 999px; background: var(--card); color: var(--ink-3); font-size: 12px; text-align: center; width: fit-content; max-width: 100%; }
.ai-error { color: var(--hot); font-size: 13px; }
.ai-prop { display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: var(--spacing-8) var(--spacing-12); align-items: center; padding: var(--spacing-12); border: 1px solid var(--line); border-radius: var(--radius-card); background: var(--canvas); }
.ai-prop.waiting { border-color: var(--ink); }
.ai-prop-ico { font-size: 22px; text-align: center; }
.ai-prop-text { display: grid; gap: 2px; min-width: 0; }
.ai-prop-text b { font-weight: 500; }
.ai-prop-text small { font-size: 12px; color: var(--ink-3); line-height: 1.5; }
.ai-prop-act { grid-column: 1 / -1; display: flex; justify-content: flex-end; gap: var(--spacing-8); }
.ai-prop-act .pill { min-height: 38px; padding: 0 var(--spacing-16); }
.ai-prop-state { font-size: 13px; color: var(--ink-3); }
.ai-prop-state.ok { color: #1f8a57; }
.ai-stop { font-size: 14px; }
.ai-limit { position: fixed; right: 12px; top: calc(env(safe-area-inset-top) + 64px); margin: 0; }
.ai-mem { display: grid; margin: var(--spacing-8) 0; }
.ai-mem li { display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-8); padding: var(--spacing-8) 0; border-top: 1px solid var(--line); }
.ai-mem li > span:first-child { display: grid; gap: 2px; min-width: 0; font-size: 14px; }
.ai-mem small { font-size: 12px; color: var(--ink-3); }
.ai-task-btns { display: flex; flex: none; gap: 4px; }
@media (prefers-reduced-motion: reduce) { .ai-orb { animation: none; } }
.ai-suggest .chip { flex: 0 1 auto; width: auto; max-width: 100%; padding: 8px 14px; line-height: 1.4; border-radius: 18px; }
.ai-hero .hero-title { font-size: clamp(28px, 9vw, 38px); }

/* ---------- エージェントのコンピュータ ---------- */
.ai-head-btns { display: flex; gap: 4px; }
.ai-pc svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.ai-pc.on { background: var(--ink); color: var(--canvas); }
.ai-steps { display: grid; gap: 4px; padding: 6px; border-radius: 14px; background: #15140f; color: #e9e6df; font-size: 12px; }
.ai-step { border-radius: 9px; }
.ai-step > summary { display: flex; align-items: flex-start; gap: 8px; padding: 6px 8px; list-style: none; cursor: pointer; border-radius: 9px; }
.ai-step > summary::-webkit-details-marker { display: none; }
.ai-step[open] > summary, .ai-step > summary:active { background: rgba(255, 255, 255, .07); }
.ai-step-ico { flex: none; width: 16px; color: #8fd18f; font-family: ui-monospace, "SF Mono", Menlo, monospace; text-align: center; }
.ai-step.file .ai-step-ico { color: #ffb36b; }
.ai-step.web .ai-step-ico, .ai-step.read .ai-step-ico { color: #8fb8ff; }
.ai-step.err .ai-step-ico { color: #ff7a6b; }
.ai-step-main { display: grid; gap: 1px; min-width: 0; }
.ai-step-main code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; white-space: pre-wrap; word-break: break-all; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.ai-step[open] .ai-step-main code { -webkit-line-clamp: unset; display: block; }
.ai-step-main small { color: #a8a39a; font-size: 11px; }
.ai-step-spin { display: inline-block; width: 10px; height: 10px; margin-top: 3px; border: 2px solid #8fd18f; border-right-color: transparent; border-radius: 50%; animation: spin .8s linear infinite; }
.ai-out { max-height: 260px; margin: 0 6px 6px 30px; padding: 8px; overflow: auto; border-radius: 8px; background: rgba(0, 0, 0, .35); color: #d6d2c9; font: 11px/1.5 ui-monospace, "SF Mono", Menlo, monospace; white-space: pre-wrap; word-break: break-all; }
.ai-files { display: flex; flex-wrap: wrap; gap: 6px; }
.ai-files { display: grid; gap: 8px; }
.ai-img { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.ai-img img { display: block; width: 100%; height: auto; max-height: 360px; object-fit: contain; background: #fff; }
.ai-img figcaption { display: flex; align-items: center; gap: 4px; padding: 4px 6px 4px 12px; border-top: 1px solid var(--line); background: var(--canvas); font-size: 13px; }
.ai-img figcaption span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ai-file { display: grid; gap: 2px; padding: 8px; border: 1px solid var(--line); border-radius: 14px; background: var(--canvas); }
.ai-file-open { display: flex; align-items: center; gap: 10px; min-width: 0; color: var(--ink); text-decoration: none; }
.ai-file-open .tile { width: 40px; height: 40px; flex: none; }
.ai-file-name { display: grid; min-width: 0; }
.ai-file-name b { font-size: 14px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ai-file-name small { font-size: 12px; color: var(--ink-3); }
.ai-file-acts, .ai-img figcaption { justify-content: flex-end; }
.ai-file-acts { display: flex; gap: 4px; }
.ai-file-acts > .ghost, .ai-img figcaption > .ghost { display: inline-flex; align-items: center; min-height: 34px; }
.pc-top { display: flex; flex-wrap: wrap; gap: var(--spacing-8); margin: var(--spacing-8) 0; }
.pc-list { display: grid; margin: var(--spacing-8) 0; }
.pc-dir { display: flex; align-items: center; gap: 6px; padding: 8px 0 2px; color: var(--ink-3); font-size: 13px; }
.pc-dir svg { width: 16px; height: 16px; fill: var(--ink-3); }
.pc-file { display: grid; gap: 4px; padding: 8px 0; border-top: 1px solid var(--line); }
.pc-name { display: flex; align-items: center; gap: 10px; min-width: 0; color: var(--ink); text-decoration: none; }
.pc-name > span:last-child { display: grid; min-width: 0; }
.pc-name b { font-weight: 500; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pc-name small { font-size: 12px; color: var(--ink-3); }
.pc-acts { display: flex; gap: 4px; justify-content: flex-end; }
@media (prefers-reduced-motion: reduce) { .ai-step-spin { animation: none; } }
.ai-code { padding: 1px 6px; border-radius: 6px; background: var(--card); font: 13px ui-monospace, "SF Mono", Menlo, monospace; }
.soc-head:has(.ai-head-btns) { grid-template-columns: 92px minmax(0, 1fr) 92px; }
.pc-acts { align-items: center; }
.pc-acts > .ghost { display: inline-flex; align-items: center; min-height: 36px; }

/* ---------- エージェントのブラウザ ---------- */
.ai-screen { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.ai-screen img { display: block; width: 100%; height: auto; }
.ai-screen figcaption { display: flex; align-items: center; gap: 6px; padding: 6px 10px; border-top: 1px solid var(--line); background: var(--canvas); color: var(--ink-3); font-size: 12px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.ai-live-dot { flex: none; width: 7px; height: 7px; border-radius: 50%; background: var(--hot); animation: pulse 1.2s ease-in-out infinite; }
.ai-thumb { flex: none; width: 56px; height: 35px; object-fit: cover; object-position: top; border-radius: 4px; background: #fff; }
.ai-shot { display: block; width: calc(100% - 12px); margin: 2px 6px 4px; border-radius: 8px; background: #fff; }
.ai-url { display: block; margin: 0 8px 8px; color: #8fb8ff; font-size: 11px; word-break: break-all; }
.pc-h { margin: var(--spacing-16) 0 var(--spacing-8); font-size: 13px; font-weight: 500; color: var(--ink-3); }
.pc-browser { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.pc-browser img { display: block; width: 100%; height: auto; }
.pc-browser figcaption { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-top: 1px solid var(--line); background: var(--canvas); font-size: 13px; }
.pc-browser figcaption a { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink); }
.pc-br-state { flex: none; padding: 2px 8px; border-radius: 999px; background: var(--card); color: var(--ink-3); font-size: 11px; }
.pc-br-state.on { background: var(--hot); color: #fff; }

/* ---------- 自分で操作するブラウザ（#browser） ---------- */
.br-top { gap: 6px; }
.br-bar { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 8px; align-items: center; }
.br-url .search { width: 100%; min-height: 40px; font-size: 16px; }
.br-nav { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; }
.br-nav::-webkit-scrollbar { display: none; }
.br-btn { flex: none; min-width: 40px; height: 36px; padding: 0 10px; border: 1px solid var(--color-button-line); border-radius: 999px; background: var(--canvas); color: var(--ink); font-size: 15px; cursor: pointer; }
.br-btn.wide { margin-left: auto; font-size: 13px; }
.br-btn:active { transform: scale(.95); }
body.in-chat .br-stage { display: flex; padding: 8px; background: var(--plate); overflow: hidden; }
.br-screen { position: relative; flex: 1; min-width: 0; min-height: 0; display: flex; align-items: center; justify-content: center; }
.br-screen img { display: block; max-width: 100%; max-height: 100%; width: auto; height: auto; border-radius: 6px; background: #fff; box-shadow: 0 2px 14px rgba(0, 0, 0, .12); touch-action: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; cursor: pointer; }
.br-spin { position: absolute; top: 10px; right: 10px; width: 18px; height: 18px; border: 2px solid var(--ink); border-right-color: transparent; border-radius: 50%; opacity: 0; transition: opacity .15s; animation: spin .8s linear infinite; }
.br-screen.busy .br-spin { opacity: .8; }
.br-tap { position: absolute; width: 26px; height: 26px; margin: -13px 0 0 -13px; border-radius: 50%; background: rgba(4, 71, 255, .35); pointer-events: none; animation: br-tap .6s ease-out forwards; }
@keyframes br-tap { from { transform: scale(.4); opacity: 1; } to { transform: scale(1.6); opacity: 0; } }
.br-wait { padding: 40px 0; text-align: center; }
.br-type .chat-attach { font-size: 16px; }
.ai-screen figcaption { justify-content: space-between; }
.ai-screen-url { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: flex; align-items: center; gap: 6px; }
.ai-screen figcaption .ghost { flex: none; min-height: 30px; display: inline-flex; align-items: center; }
.br-screen img { will-change: transform; }

/* ---------- アシスタントからのカード（先回り） ---------- */
.ai-feed { display: grid; gap: var(--spacing-8); border: 1px solid var(--line); background: var(--canvas); }
.ai-feed-head { display: flex; align-items: center; gap: var(--spacing-12); }
.ai-feed-title { display: grid; flex: 1; min-width: 0; }
.ai-feed-title b { font-weight: 500; }
.ai-feed-title small { font-size: 12px; color: var(--ink-3); }
.ai-feed-x { width: 32px; height: 32px; min-height: 32px; font-size: 18px; color: var(--ink-3); }
.ai-feed .more { margin-top: 0; }

/* ---------- アシスタント（ChatGPT や Claude のような、すっきりした見た目） ---------- */
body.ai-full .nav { display: none; }
body.in-chat.ai-full main { height: var(--vvh, 100vh); }
.ai-top { padding-bottom: var(--spacing-8); border-bottom: 0; background: rgba(253, 252, 252, .92); }
.ai-headbar { display: grid; grid-template-columns: 92px minmax(0, 1fr) 92px; align-items: center; }
.ai-head-title { font-size: 16px; font-weight: 500; text-align: center; }
.ai-headbar .ai-head-btns { justify-content: flex-end; }
.ai-pen svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linejoin: round; }
.ai-list { padding-top: var(--spacing-8) !important; }
.ai-list > li { list-style: none; }
/* 自分のメッセージ：右寄せの淡い吹き出し */
.ai-user { display: grid; justify-items: end; margin: var(--spacing-12) 0 var(--spacing-4); animation: rise .2s ease both; }
.ai-bubble { max-width: 82%; padding: 10px 14px; border-radius: 20px; background: var(--card); color: var(--ink); font-size: 15px; line-height: 1.55; overflow-wrap: anywhere; }
.ai-user.queued .ai-bubble { opacity: .6; }
.ai-queued { margin-top: 4px; font-size: 11px; color: var(--ink-3); }
/* アシスタントの答え：吹き出しも顔も無し、ふつうの文章 */
.ai-msg { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--spacing-8); margin: var(--spacing-8) 0 var(--spacing-16); }
.ai-msg .ai-text { font-size: 15.5px; line-height: 1.75; }
.ai-thinking { margin: 0; font-size: 14px; color: var(--ink-3); }
.shimmer { background: linear-gradient(90deg, var(--ink-4) 0%, var(--ink) 45%, var(--ink-4) 90%); background-size: 200% 100%; -webkit-background-clip: text; background-clip: text; color: transparent !important; animation: shimmer 1.6s linear infinite; }
@keyframes shimmer { from { background-position: 100% 0; } to { background-position: -100% 0; } }
.ai-note { margin: var(--spacing-8) 0; color: var(--ink-3); font-size: 12px; text-align: center; background: none; padding: 0; width: auto; }
/* 調べたこと・作業は1行にたたむ */
.ai-act { border-radius: 12px; }
.ai-act > summary { display: inline-flex; align-items: center; gap: 8px; max-width: 100%; padding: 4px 2px; list-style: none; cursor: pointer; color: var(--ink-3); font-size: 13px; }
.ai-act > summary::-webkit-details-marker { display: none; }
.ai-act-ico { display: grid; place-items: center; width: 18px; height: 18px; flex: none; font-size: 12px; }
.ai-act .ai-step-spin { border-color: var(--ink-3); border-right-color: transparent; margin: 0; }
.ai-act-thumb { width: 40px; height: 26px; flex: none; object-fit: cover; object-position: top; border-radius: 4px; border: 1px solid var(--line); }
.ai-act-text { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ai-act-arrow { flex: none; transition: transform .15s; }
.ai-act[open] .ai-act-arrow { transform: rotate(90deg); }
.ai-act-body { display: grid; gap: 8px; margin: 6px 0 4px; padding-left: 12px; border-left: 2px solid var(--line); }
.ai-act-list { display: grid; gap: 2px; margin: 0; padding: 0; font-size: 13px; color: var(--ink-2); }
.ai-act-list li::before { content: "・"; }
.ai-act-shot img { display: block; width: 100%; border-radius: 10px; border: 1px solid var(--line); }
.ai-act-link { font-size: 13px; color: var(--ink-2); }
/* 何もないとき */
.ai-empty { display: grid; justify-items: center; align-content: center; gap: var(--spacing-16); min-height: 60%; padding: var(--spacing-24) 0; text-align: center; }
.ai-empty-title { font-size: 24px; font-weight: 400; }
.ai-suggest { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; width: 100%; }
.ai-sugg { min-height: 64px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 16px; background: var(--canvas); color: var(--ink-2); font: inherit; font-size: 13px; line-height: 1.45; text-align: left; cursor: pointer; }
.ai-sugg:active { background: var(--card); }
/* 入力欄：角の丸い箱の中に送るボタン */
.ai-composer { border-top: 0 !important; background: linear-gradient(rgba(253, 252, 252, 0), var(--canvas) 30%) !important; padding: 6px var(--gutter) calc(env(safe-area-inset-bottom) + 10px) !important; -webkit-backdrop-filter: none !important; backdrop-filter: none !important; }
body.kb-open .ai-composer { padding-bottom: 8px !important; }
.ai-box { display: flex; align-items: flex-end; gap: 6px; width: 100%; padding: 6px 6px 6px 16px; border: 1px solid var(--color-button-line); border-radius: 26px; background: var(--canvas); box-shadow: 0 2px 12px rgba(0, 0, 0, .06); }
.ai-box textarea { flex: 1; min-height: 36px; max-height: 160px; padding: 8px 0; border: 0 !important; border-radius: 0; background: transparent; resize: none; font: inherit; font-size: 16px; line-height: 1.4; }
.ai-box textarea:focus { outline: none; }
.ai-send { display: grid; place-items: center; flex: none; width: 36px; height: 36px; border: 0; border-radius: 50%; background: var(--ink); color: var(--canvas); font-size: 17px; cursor: pointer; }
.ai-send:disabled { opacity: .25; }
.ai-send.stop i { width: 11px; height: 11px; border-radius: 2px; background: var(--canvas); }
@media (prefers-reduced-motion: reduce) { .shimmer { animation: none; color: var(--ink-3) !important; background: none; } }

/* ---------- 反応（Teams のように、吹き出しの角に絵文字） ---------- */
.ai-bubble { position: relative; }
.ai-react { position: absolute; left: -10px; bottom: -12px; display: grid; place-items: center; min-width: 26px; height: 26px; padding: 0 4px; border-radius: 13px; background: var(--canvas); box-shadow: 0 1px 4px rgba(0, 0, 0, .18); font-size: 14px; line-height: 1; }
.ai-react.pop { animation: react-pop .45s cubic-bezier(.2, 1.6, .4, 1) both; }
@keyframes react-pop { from { transform: scale(0); } to { transform: scale(1); } }
.ai-user:has(.ai-react) { margin-bottom: var(--spacing-12); }
.ai-ureact { justify-self: start; display: inline-grid; place-items: center; min-width: 30px; height: 26px; padding: 0 6px; border: 1px solid var(--line); border-radius: 13px; background: var(--canvas); font-size: 14px; cursor: pointer; }
.ai-msg { -webkit-user-select: text; user-select: text; -webkit-touch-callout: none; }
.live-cheer.on { box-shadow: inset 0 0 0 2px var(--ink); }
@media (prefers-reduced-motion: reduce) { .ai-react.pop { animation: none; } }

/* ---------- 写真・ファイルを付ける ---------- */
.ai-composer { flex-direction: column; align-items: stretch !important; gap: 6px; }
.ai-attach-row { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; }
.ai-attach-row:empty { display: none; }
.ai-attach-row::-webkit-scrollbar { display: none; }
.ai-plus { flex: none; width: 36px; height: 36px; margin-left: -10px; border: 0; border-radius: 50%; background: transparent; color: var(--ink-2); font-size: 22px; line-height: 1; cursor: pointer; }
.ai-chip { position: relative; display: inline-flex; flex: none; align-items: center; gap: 6px; max-width: 220px; height: 44px; padding: 4px 28px 4px 4px; border: 1px solid var(--line); border-radius: 12px; background: var(--canvas); color: var(--ink); font-size: 12px; text-decoration: none; }
.ai-chip img { width: 36px; height: 36px; border-radius: 8px; object-fit: cover; }
.ai-chip .tile { width: 36px; height: 36px; font-size: 9px; }
.ai-chip .tile.folder svg { width: 18px; height: 18px; }
.ai-chip-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ai-chip button { position: absolute; top: 2px; right: 2px; width: 22px; height: 22px; border: 0; border-radius: 50%; background: var(--card); color: var(--ink-2); font-size: 13px; line-height: 1; cursor: pointer; }
.ai-chip.up { opacity: .7; }
.ai-chip .ai-step-spin { flex: none; border-color: var(--ink-3); border-right-color: transparent; }
.ai-user-att { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; max-width: 82%; margin-bottom: 6px; }
.ai-user-att img { display: block; width: 120px; height: 120px; object-fit: cover; border-radius: 14px; }
.ai-user-att .ai-chip { padding-right: 10px; }

/* ---------- モデルと使用量 ---------- */
.ai-model { justify-self: center; display: inline-flex; align-items: center; gap: 4px; max-width: 100%; min-height: 36px; padding: 0 12px; border: 0; border-radius: 999px; background: transparent; color: var(--ink); font: inherit; cursor: pointer; }
.ai-model b { font-size: 16px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ai-model span { color: var(--ink-3); font-size: 12px; }
.ai-model:active { background: var(--card); }
.ai-model-list { display: grid; gap: 6px; margin: 8px 0 14px; }
.ai-model-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 52px; padding: 8px 14px; border: 1px solid var(--line); border-radius: 14px; background: var(--canvas); color: var(--ink); font: inherit; text-align: left; cursor: pointer; }
.ai-model-row span { display: grid; gap: 2px; }
.ai-model-row b { font-weight: 500; }
.ai-model-row small { font-size: 12px; color: var(--ink-3); }
.ai-model-row.on { border-color: var(--ink); }
.ai-model-row i { font-style: normal; }
.ai-rates { display: grid; gap: 12px; margin: 10px 0 16px; }
.ai-rate { display: grid; gap: 4px; }
.ai-rate-head { display: flex; justify-content: space-between; font-size: 14px; }
.ai-rate-head b { font-weight: 500; }
.ai-rate small { font-size: 12px; color: var(--ink-3); }
.ai-usage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 8px 0 14px; }
.ai-usage-cell { display: grid; gap: 2px; padding: 10px; border-radius: 14px; background: var(--card); font-size: 11px; color: var(--ink-3); }
.ai-usage-cell small { font-size: 12px; }
.ai-usage-cell b { font-size: 17px; font-weight: 500; color: var(--ink); }
.ai-usage-line { font-size: 12px; color: var(--ink-3); }