:root {
  --yamabuki: #F4A42C; --yamabuki-deep: #D98A10; --yamabuki-pale: #F6C878;
  --brown: #5B4632; --ink: #3C3C3C; --muted: #777777; --cream: #FDF8EE;
  --pink: #E8618C; --green: #57B26A; --blue: #3F7EC2; --line: #EADFC8;
  --shadow: 0 10px 28px rgba(176, 140, 80, .18);
}
* { box-sizing: border-box; }
html { color-scheme: light; background: var(--cream); }
body { margin: 0; color: var(--ink); background: var(--cream); font-family: "Hiragino Maru Gothic ProN", "BIZ UDPGothic", "Yu Gothic", "Hiragino Kaku Gothic ProN", "Meiryo", system-ui, sans-serif; font-size: 16px; line-height: 1.75; }
button, input, textarea { font: inherit; border-radius: 0; }
button { min-height: 44px; cursor: pointer; }
button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
button:disabled { cursor: not-allowed; opacity: .5; }
[hidden] { display: none !important; }
.site-header { min-height: 64px; padding: 10px max(12px, env(safe-area-inset-left)); display: flex; align-items: center; justify-content: space-between; gap: 8px; background: var(--yamabuki); border-bottom: 2px solid var(--yamabuki-deep); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--brown); font-weight: 700; text-decoration: none; }
.brand-bars { display: flex; gap: 3px; align-items: center; }
.brand-bars i { display: block; width: 5px; height: 21px; border-radius: 9px; background: #fff; }
.brand-bars i:nth-child(2) { background: var(--pink); height: 16px; }.brand-bars i:nth-child(3) { background: var(--green); height: 23px; }.brand-bars i:nth-child(4) { background: var(--blue); height: 18px; }
.app-shell { width: min(100%, 720px); min-height: calc(100vh - 64px); margin: 0 auto; background: #fff; box-shadow: var(--shadow); }
.screen { padding: 36px 20px max(40px, env(safe-area-inset-bottom)); background: var(--yamabuki-pale); }
.hero-mark { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; color: var(--brown); background: var(--yamabuki); font-weight: 700; font-size: 22px; }
.hero-mark.success { color: #fff; background: var(--green); }
.eyebrow { margin: 18px 0 4px; color: var(--yamabuki-deep); font-weight: 700; letter-spacing: .08em; }
h1, h2 { color: var(--brown); line-height: 1.4; }
h1 { margin: 0 0 18px; font-size: clamp(28px, 8vw, 40px); }
h2 { margin: 0 0 10px; font-size: 20px; }
.lead { margin: 0 0 28px; color: var(--muted); }
.notice-card, .review-card { padding: 20px; margin: 0 0 24px; background: var(--cream); border: 6px solid var(--yamabuki); box-shadow: var(--shadow); }
.notice-card ul { padding-left: 1.35em; margin: 0; }.notice-card li + li { margin-top: 8px; }
.field-label { display: block; margin: 0 0 6px; color: var(--brown); font-weight: 700; }
.text-input, .composer textarea { width: 100%; min-height: 48px; padding: 12px; color: var(--ink); background: #fff; border: 1px solid var(--line); font-size: 16px; }
.check-row { display: flex; align-items: center; gap: 12px; min-height: 52px; margin: 18px 0; color: var(--brown); font-weight: 700; cursor: pointer; }
.check-row input { width: 24px; height: 24px; accent-color: var(--yamabuki-deep); }
.button-stack { display: grid; gap: 12px; }
.primary-button, .secondary-button { min-height: 52px; padding: 10px 18px; border: 2px solid var(--yamabuki-deep); color: var(--brown); font-weight: 700; }
.primary-button { background: var(--yamabuki); }.primary-button:hover { background: var(--yamabuki-deep); }
.secondary-button { background: #fff; }.secondary-button:hover { background: var(--cream); }
.text-button { padding: 8px; color: var(--brown); background: transparent; border: 0; text-decoration: underline; text-underline-offset: 3px; }
.text-button.danger { color: #743030; white-space: nowrap; }.text-button.full { width: 100%; }
.resume-note, .privacy-footnote { color: var(--muted); font-size: 14px; }
.chat-screen { padding: 22px 16px 220px; background: var(--yamabuki-pale); }
.chat-heading { display: flex; justify-content: space-between; gap: 12px; align-items: start; }.chat-heading .eyebrow { margin-top: 0; }.chat-heading h1 { font-size: 26px; margin-bottom: 14px; }.compact { min-height: 44px; padding: 6px 12px; }
.progress-card { margin-bottom: 18px; border: 2px solid var(--yamabuki-deep); background: var(--yamabuki-pale); }
.progress-card summary { min-height: 48px; padding: 10px 14px; color: var(--brown); font-weight: 700; cursor: pointer; }.progress-card summary span { float: right; color: var(--yamabuki-deep); }
.progress-steps { display: grid; grid-template-columns: 1fr 1.5fr 1fr; gap: 4px; padding: 8px 10px 14px; }.step { text-align: center; color: var(--muted); font-size: 12px; }.step i { width: 28px; height: 28px; margin: 0 auto 4px; display: grid; place-items: center; border: 1px solid var(--yamabuki-deep); border-radius: 50%; font-style: normal; background: var(--yamabuki-pale); }.step.active { color: var(--brown); font-weight: 700; }.step.active i { background: var(--yamabuki); border-color: var(--yamabuki-deep); }
.status-message { min-height: 28px; color: var(--muted); font-size: 14px; }
.messages { display: flex; flex-direction: column; gap: 14px; padding: 10px 0 22px; }
.message { max-width: 88%; padding: 14px 16px; white-space: pre-wrap; overflow-wrap: anywhere; border: 1px solid var(--line); box-shadow: 0 4px 14px rgba(176,140,80,.11); user-select: text; }.message.assistant { align-self: flex-start; background: #fff; }.message.participant { align-self: flex-end; background: var(--cream); border-color: var(--yamabuki-deep); }.message-meta { display: block; margin-bottom: 3px; color: var(--muted); font-size: 12px; }
.hypotheses { margin: 12px -8px 22px; padding: 18px 8px; background: var(--yamabuki-pale); border-top: 2px solid var(--yamabuki-deep); border-bottom: 2px solid var(--yamabuki-deep); }.section-note { margin-top: -6px; color: var(--brown); font-size: 14px; }
.hypothesis-card { padding: 16px; margin-top: 12px; background: #fff; border: 2px solid var(--yamabuki); box-shadow: var(--shadow); }.hypothesis-card .quote { padding-left: 12px; color: var(--muted); border-left: 3px solid var(--yamabuki-pale); }.hypothesis-card .state { display: inline-block; padding: 3px 8px; color: var(--brown); background: var(--yamabuki-pale); border: 1px solid var(--yamabuki-deep); font-weight: 700; }.card-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }.card-actions button { padding: 7px 4px; background: var(--cream); border: 1px solid var(--line); }.edit-area { display: grid; gap: 8px; margin-top: 10px; }.edit-area textarea { width: 100%; min-height: 90px; padding: 10px; border: 1px solid var(--line); font-size: 16px; }
.contact-warning { margin: 0 0 18px; padding: 12px 14px; color: var(--brown); background: var(--yamabuki-pale); border-left: 6px solid var(--yamabuki-deep); font-weight: 700; }
.confirm-actions { margin: 12px -8px 6px; padding: 18px 12px; background: var(--yamabuki-pale); border-top: 2px solid var(--yamabuki-deep); border-bottom: 2px solid var(--yamabuki-deep); }
.confirm-actions h2 { margin: 0 0 6px; color: var(--brown); font-size: 20px; }
.confirm-actions .section-note { margin: 0 0 12px; }
.quick-actions { display: flex; gap: 6px; overflow-x: auto; padding: 10px 0; }.quick-actions button { flex: 0 0 auto; padding: 6px 10px; color: var(--brown); background: var(--yamabuki-pale); border: 1px solid var(--yamabuki-deep); }
.composer { position: fixed; z-index: 5; left: 50%; bottom: 0; transform: translateX(-50%); width: min(100%, 720px); padding: 12px 16px max(12px, env(safe-area-inset-bottom)); background: rgba(246,200,120,.97); border-top: 2px solid var(--yamabuki-deep); box-shadow: 0 -8px 24px rgba(176,140,80,.14); }.composer textarea { resize: vertical; max-height: 150px; }.composer button { width: 100%; margin-top: 8px; }
.review-card .hypothesis-card { box-shadow: none; }.privacy-footnote { margin: 22px 0 0; text-align: center; }
.termination-panel { padding: 12px 16px; color: var(--brown); background: var(--yamabuki-pale); border-left: 6px solid var(--yamabuki-deep); }
.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; }
@media (min-width: 721px) { body { padding: 28px 0; }.site-header { width: 720px; margin: 0 auto; }.app-shell { min-height: calc(100vh - 120px); }.screen { padding-left: 46px; padding-right: 46px; }.chat-screen { padding-bottom: 220px; }.composer { padding-left: 46px; padding-right: 46px; } }
@media (max-width: 430px) { .site-header .danger { font-size: 12px; }.brand { gap: 6px; font-size: 14px; }.card-actions { grid-template-columns: 1fr; }.card-actions button { width: 100%; }.message { max-width: 92%; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; } }