.tl-corp-nav {
  --cn-ink: #17263c;
  --cn-green: #294f48;
  --cn-gold: #b08a32;
  --cn-ivory: #fbf8f1;
  position: fixed;
  right: max(1.5rem, env(safe-area-inset-right));
  bottom: max(1.5rem, env(safe-area-inset-bottom));
  z-index: 1100;
  color: var(--cn-ink);
  font-family: Inter, "Noto Sans JP", system-ui, sans-serif;
}
.corporate-page .tl-corp-nav { bottom: max(1.5rem, env(safe-area-inset-bottom)); }
.tl-corp-nav button, .tl-corp-nav a { font: inherit; }
.tl-corp-nav-launcher {
  display: flex; align-items: center; gap: .65rem; min-height: 4.3rem; padding: .35rem 1rem .35rem .35rem;
  border: 1px solid rgba(176,138,50,.65); border-radius: 999px; background: #17263c; color: #fff;
  box-shadow: 0 1rem 2.6rem rgba(18,31,50,.24); cursor: pointer;
}
.tl-corp-nav-launcher img {
  width: 3.55rem; height: 3.55rem; border: 1px solid rgba(255,255,255,.45); border-radius: 50%;
  background: #eee8dd; object-fit: cover;
}
.tl-corp-nav-launcher span { display: grid; gap: .12rem; text-align: left; }
.tl-corp-nav-launcher small { color: #d9bd77; font-size: .63rem; font-weight: 700; letter-spacing: .13em; }
.tl-corp-nav-launcher strong { font-size: .84rem; font-weight: 650; letter-spacing: .03em; white-space: nowrap; }
.tl-corp-nav-launcher:hover { background: #213653; transform: translateY(-1px); }
.tl-corp-nav-panel {
  position: absolute; right: 0; bottom: 0; width: min(32rem, calc(100vw - 2rem)); max-height: min(48rem,calc(100dvh - 3rem)); overflow: hidden;
  border: 1px solid rgba(176,138,50,.48); border-radius: 1rem; background: var(--cn-ivory);
  box-shadow: 0 1.5rem 4rem rgba(17,29,45,.3);
}
.tl-corp-nav-panel[hidden] { display: none; }
.tl-corp-nav-panel > header {
  display: grid; grid-template-columns: 3.8rem minmax(0,1fr) auto; gap: .75rem; align-items: center;
  padding: .8rem .8rem .8rem 1rem; background: var(--cn-ink); color: #fff;
}
.tl-corp-nav-panel > header img { width: 3.8rem; height: 3.8rem; border: 1px solid rgba(217,189,119,.7); border-radius: 50%; object-fit: cover; }
.tl-corp-nav-panel > header small { display: block; color: #d9bd77; font-size: .63rem; font-weight: 700; letter-spacing: .15em; }
.tl-corp-nav-panel > header h2 { margin: .16rem 0 0; color: #fff; font: 600 1rem/1.4 Inter,"Noto Sans JP",sans-serif; letter-spacing: .02em; }
.tl-corp-nav-panel > header button { align-self: start; padding: .15rem .4rem; border: 0; background: transparent; color: #fff; font-size: 1.6rem; line-height: 1; cursor: pointer; }
.tl-corp-nav-body { display: grid; grid-template-columns: 7.2rem minmax(0,1fr); gap: .8rem; padding: 1rem 1rem .8rem; }
.tl-corp-nav-character { align-self: start; width: 7.2rem; height: 10rem; border-radius: .5rem; background: #eee7da; object-fit: cover; object-position: center 20%; }
.tl-corp-nav-body p { margin: .15rem 0 .75rem; color: #405067; font-size: .83rem; line-height: 1.75; }
.tl-corp-nav-body nav { display: grid; gap: .45rem; }
.tl-corp-nav-body nav a {
  display: grid; grid-template-columns: 1.7rem minmax(0,1fr) auto; gap: .45rem; align-items: center;
  min-height: 2.75rem; padding: .55rem .7rem; border: 1px solid #ded6c6; border-radius: .35rem;
  background: #fff; color: var(--cn-ink); font-size: .78rem; font-weight: 650; line-height: 1.4; text-decoration: none;
}
.tl-corp-nav-body nav a span { color: var(--cn-gold); font-family: Cinzel, serif; font-size: .7rem; }
.tl-corp-nav-body nav a i { color: var(--cn-gold); font-style: normal; }
.tl-corp-nav-body nav a:hover, .tl-corp-nav-body nav a:focus-visible { border-color: var(--cn-gold); outline: none; }
.tl-corp-nav-body nav a.is-primary { border-color: var(--cn-green); background: var(--cn-green); color: #fff; }
.tl-corp-nav-note { margin: 0; padding: .7rem 1rem .8rem; border-top: 1px solid #e6dece; color: #687385; font-size: .7rem; line-height: 1.6; }
.tl-corp-nav .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.tl-corp-nav-tabs { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid #ded6c6; background: #f1ecdf; }
.tl-corp-nav-tabs button { padding: .68rem .7rem; border: 0; border-bottom: 2px solid transparent; background: transparent; color: #5d6878; font-size: .75rem; font-weight: 650; cursor: pointer; }
.tl-corp-nav-tabs button[aria-selected="true"] { border-bottom-color: var(--cn-gold); background: var(--cn-ivory); color: var(--cn-ink); }
.tl-corp-nav-tabs button:disabled { opacity: .45; cursor: not-allowed; }
.tl-corp-nav-ai { display: flex; flex-direction: column; min-height: 24rem; max-height: min(38rem,calc(100dvh - 12rem)); }
.tl-corp-nav-ai[hidden] { display: none; }
.tl-corp-nav-thread { flex: 1 1 auto; min-height: 10rem; overflow-y: auto; padding: .9rem; background: #f7f3eb; overscroll-behavior: contain; }
.tl-corp-nav-ai-intro { display: grid; grid-template-columns: 4.7rem minmax(0,1fr); gap: .7rem; align-items: center; padding: .65rem; border: 1px solid #ded6c6; border-radius: .5rem; background: #fff; }
.tl-corp-nav-ai-intro img { width: 4.7rem; height: 5.8rem; border-radius: .35rem; object-fit: cover; object-position: center 18%; }
.tl-corp-nav-ai-intro p { margin: 0; color: #405067; font-size: .78rem; line-height: 1.7; }
.tl-corp-nav-message { max-width: 91%; margin: 0 0 .7rem; padding: .7rem .8rem; border-radius: .55rem; font-size: .8rem; line-height: 1.7; white-space: pre-wrap; }
.tl-corp-nav-message.is-user { margin-left: auto; border-radius: .7rem .7rem .15rem .7rem; background: #dfeae6; color: #183b37; }
.tl-corp-nav-message.is-ai { max-width: 100%; border: 1px solid #ded6c6; border-top: 2px solid var(--cn-gold); border-radius: .25rem; background: #fff; color: #26364b; }
.tl-corp-nav-message.is-loading { display: flex; align-items: center; gap: .55rem; color: #647083; }
.tl-corp-nav-spinner { width: 1rem; height: 1rem; border: 2px solid #d8cba9; border-top-color: var(--cn-gold); border-radius: 50%; animation: tl-corp-nav-spin .8s linear infinite; }
.tl-corp-nav-answer { margin: 0; font-weight: 550; }
.tl-corp-nav-reason { margin: .55rem 0 0; color: #536075; }
.tl-corp-nav-plan { display: grid; gap: .55rem; margin-top: .75rem; padding-top: .7rem; border-top: 1px solid #e2dbce; }
.tl-corp-nav-plan h3 { margin: 0; color: var(--cn-green); font: 650 .78rem/1.4 Inter,"Noto Sans JP",sans-serif; }
.tl-corp-nav-plan dl { display: grid; gap: .45rem; margin: 0; }
.tl-corp-nav-plan dl div { display: grid; grid-template-columns: 5.8rem minmax(0,1fr); gap: .5rem; }
.tl-corp-nav-plan dt { color: #7b6a40; font-size: .68rem; font-weight: 700; }
.tl-corp-nav-plan dd { margin: 0; color: #39485c; font-size: .75rem; }
.tl-corp-nav-plan ol, .tl-corp-nav-plan ul { display: grid; gap: .28rem; margin: .2rem 0 0; padding-left: 1.2rem; color: #39485c; font-size: .74rem; }
.tl-corp-nav-tags { display: flex; flex-wrap: wrap; gap: .3rem; margin-top: .55rem; }
.tl-corp-nav-tags span { padding: .25rem .45rem; border: 1px solid #d8cfbc; border-radius: 999px; color: #5a6371; font-size: .64rem; }
.tl-corp-nav-related { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: .7rem; }
.tl-corp-nav-related a { color: var(--cn-green); font-size: .7rem; font-weight: 650; }
.tl-corp-nav-boundary { margin: .65rem 0 0; padding-top: .55rem; border-top: 1px solid #e2dbce; color: #737b87; font-size: .66rem; line-height: 1.6; }
.tl-corp-nav-handoff-open { width: 100%; margin-top: .75rem; padding: .68rem; border: 1px solid var(--cn-green); border-radius: .3rem; background: var(--cn-green); color: #fff; font-size: .74rem; font-weight: 700; cursor: pointer; }
.tl-corp-nav-suggestions { display: flex; gap: .4rem; overflow-x: auto; padding: .6rem .8rem; border-top: 1px solid #e1d9ca; background: var(--cn-ivory); }
.tl-corp-nav-suggestions button { flex: 0 0 auto; max-width: 13rem; padding: .45rem .6rem; border: 1px solid #d8cfbd; border-radius: 999px; background: #fff; color: #4d5b6c; font-size: .67rem; cursor: pointer; }
.tl-corp-nav-ai-form { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: .45rem; align-items: end; padding: .7rem .8rem max(.7rem,env(safe-area-inset-bottom)); border-top: 1px solid #d9d1c2; background: #fff; }
.tl-corp-nav-ai-form label { min-width: 0; }
.tl-corp-nav-ai-form textarea { display: block; width: 100%; min-height: 3.6rem; max-height: 8rem; resize: vertical; padding: .62rem .7rem; border: 1px solid #cbc2b0; border-radius: .35rem; color: var(--cn-ink); font: 400 .78rem/1.55 Inter,"Noto Sans JP",sans-serif; }
.tl-corp-nav-ai-form button { min-height: 3.6rem; padding: 0 .85rem; border: 1px solid var(--cn-ink); border-radius: .35rem; background: var(--cn-ink); color: #fff; font-size: .72rem; font-weight: 700; cursor: pointer; }
.tl-corp-nav-ai-form button:disabled { opacity: .55; cursor: wait; }
.tl-corp-nav-ai-form input[name="website"] { position: absolute; left: -9999px; width: 1px; height: 1px; }
.tl-corp-nav-ai-error { margin: 0; padding: .55rem .8rem; background: #f6e8e4; color: #8b4639; font-size: .7rem; }
.tl-corp-nav-handoff { padding: .85rem; border-top: 1px solid #d9d1c2; background: #fffdf8; }
.tl-corp-nav-handoff[hidden] { display: none; }
.tl-corp-nav-handoff > strong { display: block; color: var(--cn-ink); font-size: .82rem; }
.tl-corp-nav-handoff > p { margin: .35rem 0 .55rem; color: #687385; font-size: .67rem; line-height: 1.55; }
.tl-corp-nav-handoff textarea { width: 100%; resize: vertical; padding: .6rem; border: 1px solid #cbc2b0; border-radius: .3rem; color: #334258; font: 400 .74rem/1.55 Inter,"Noto Sans JP",sans-serif; }
.tl-corp-nav-handoff > div { display: flex; justify-content: flex-end; gap: .45rem; margin-top: .5rem; }
.tl-corp-nav-handoff button { padding: .55rem .7rem; border: 1px solid #bdb4a3; border-radius: .3rem; background: #fff; color: var(--cn-ink); font-size: .7rem; cursor: pointer; }
.tl-corp-nav-handoff button.is-primary { border-color: var(--cn-green); background: var(--cn-green); color: #fff; }
.tl-corp-nav-applied { margin: 0 0 1rem; padding: .8rem 1rem; border-left: 3px solid var(--cn-green); background: #edf4f0; color: #2f564f; font-size: .82rem; line-height: 1.65; }
@keyframes tl-corp-nav-spin { to { transform: rotate(360deg); } }
@media (max-width: 720px) {
  .corporate-page .tl-corp-nav { bottom: calc(4.8rem + env(safe-area-inset-bottom)); }
  .tl-corp-nav { right: .75rem; bottom: max(.75rem, env(safe-area-inset-bottom)); }
  .tl-corp-nav-launcher { min-height: 3.9rem; padding-right: .8rem; }
  .tl-corp-nav-launcher img { width: 3.2rem; height: 3.2rem; }
  .tl-corp-nav-panel { position: fixed; right: .75rem; bottom: max(.75rem, env(safe-area-inset-bottom)); width: calc(100vw - 1.5rem); max-height: calc(100dvh - 1.5rem); overflow-y: auto; }
  .corporate-page .tl-corp-nav-panel { bottom: calc(4.8rem + env(safe-area-inset-bottom)); max-height: calc(100dvh - 5.55rem - env(safe-area-inset-bottom)); }
  .tl-corp-nav-ai { max-height: calc(100dvh - 10rem); }
}
@media (max-width: 390px) {
  .tl-corp-nav-body { grid-template-columns: 5.7rem minmax(0,1fr); padding: .8rem; }
  .tl-corp-nav-character { width: 5.7rem; height: 8.5rem; }
  .tl-corp-nav-body p { font-size: .78rem; }
  .tl-corp-nav-body nav a { padding: .5rem .55rem; font-size: .74rem; }
}
@media (prefers-reduced-motion: no-preference) {
  .tl-corp-nav-launcher { transition: transform .18s ease, background-color .18s ease; }
}