:root { color-scheme: light; --ink: #171717; --muted: #595959; --paper: #ffffff; --line: #d4d4d4; --accent: #ffd629; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.page { max-width: 1330px; margin: 0 auto; padding: 0 40px; }
header { display: flex; justify-content: space-between; align-items: center; min-height: 85px; border-bottom: 1px solid var(--line); gap: 12px; }
.brand { font-weight: 800; font-size: 24px; letter-spacing: .12em; }
.brand span { display: inline-block; font-size: 10px; letter-spacing: .15em; margin-left: 8px; }
.local { border: 1px solid var(--line); padding: 4px 12px; border-radius: 20px; font-size: 12px; white-space: nowrap; }
.intro { padding: 34px 0 28px; }
.eyebrow { display: block; font-size: 11px; letter-spacing: .12em; color: var(--muted); font-weight: 700; margin: 0 0 8px; }
h1 { font-size: clamp(25px, 3vw, 37px); font-weight: 650; line-height: 1.35; margin: 0 0 10px; letter-spacing: .02em; }
h2 { font-size: 19px; line-height: 1.5; margin: 0 0 18px; }
h3 { font-size: 16px; margin: 0; }
h4 { font-size: 14px; margin: 0 0 10px; }
p { margin: 5px 0; overflow-wrap: anywhere; }
.intro > p:last-child { color: var(--muted); }
main { display: grid; grid-template-columns: minmax(360px, .9fr) minmax(0, 1.1fr); gap: 24px; align-items: start; }
.input-panel, .result-panel { border: 1px solid var(--line); border-radius: 16px; background: #ffffff; padding: 26px; min-width: 0; }
.input-panel { background: #ffffff; border: 2px solid var(--ink); }
label { display: block; font-weight: 650; font-size: 13px; margin-bottom: 8px; }
select, textarea, button, input { font: inherit; }
select, textarea { color: var(--ink); background: #ffffff; border: 1px solid #898989; border-radius: 8px; width: 100%; padding: 11px 12px; }
select { margin-bottom: 22px; }
textarea { resize: vertical; min-height: 105px; display: block; line-height: 1.6; }
textarea::placeholder { color: #666666; font-size: 14px; }
.hint { font-size: 12px; color: var(--muted); margin: 9px 0 15px; }
button { cursor: pointer; border: 1px solid #a0a0a0; border-radius: 7px; padding: 9px 13px; color: var(--ink); background: #ffffff; }
button:hover { background: #fff1a3; border-color: var(--accent); }
button:active { transform: translateY(1px); }
:focus-visible { outline: 3px solid #171717; outline-offset: 3px; }
.core-option { display: flex; align-items: start; gap: 8px; font-size: 12px; margin: 12px 0 18px; }
.core-option input { margin: 4px 0 0; accent-color: var(--accent); }
.core-option:has(input:disabled) { color: var(--muted); }
button:disabled { cursor: not-allowed; opacity: .45; }
button:disabled:hover { background: #fff; border-color: #a0a0a0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.actions { display: flex; gap: 10px; }
.primary { flex: 1; color: var(--ink); background: var(--accent); border-color: var(--ink); font-weight: 750; box-shadow: 3px 3px 0 var(--ink); }
.primary:hover { background: #f4c900; }
.clear { background: transparent; font-size: 13px; }
.brand::before { content: ''; display: inline-block; width: 14px; height: 23px; background: var(--accent); vertical-align: -2px; margin-right: 12px; }
.mode-switch { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 4px; background: #f1f1f1; border-radius: 9px; }
.mode-switch button { border-color: transparent; background: transparent; font-weight: 650; font-size: 14px; }
.mode-switch button[aria-pressed="true"] { background: var(--ink); color: #fff; }
.edit-actions { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.edit-actions button { font-size: 12px; padding: 7px 9px; min-height: 38px; }
.edit-message { font-size: 12px; margin: 15px 0 0; min-height: 20px; }
.wordbook { margin-top: 20px; border-top: 2px solid var(--ink); padding-top: 20px; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.section-heading h2 { font-size: 16px; margin: 0; }
#word-search { width: 100%; border: 1px solid #898989; background: #fff; color: var(--ink); border-radius: 7px; padding: 10px 12px; font-size: 14px; }
.word-filters { display: flex; gap: 6px; margin: 12px 0; }
.word-filters button { flex: 1; font-size: 12px; padding: 6px 9px; }
.word-filters button[aria-pressed="true"] { background: var(--accent); border-color: var(--ink); font-weight: 700; }
.word-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; max-height: 360px; overflow-y: auto; padding: 4px; }
.word-card { display: flex; flex-direction: column; align-items: start; gap: 2px; text-align: left; overflow-wrap: anywhere; padding: 10px 11px; min-width: 0; }
.word-card .word-ja { font-size: 14px; font-weight: 650; }
.word-card code { font-size: 11px; background: #f2f2f2; border-radius: 3px; padding: 1px 5px; margin-top: 5px; }
.token-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.token-chip { display: flex; flex-direction: column; gap: 1px; background: #fff7cf; border: 1px solid #d3c782; border-radius: 6px; padding: 6px 9px; max-width: 100%; overflow-wrap: anywhere; font-size: 12px; }
.token-chip code { font-weight: 750; }
[hidden] { display: none !important; }
.try { border-top: 1px solid #d4d4d4; margin-top: 26px; padding-top: 22px; }
.try h2 { font-size: 14px; margin-bottom: 5px; }
.samples { display: flex; flex-wrap: wrap; gap: 8px; }
.sample { font-size: 13px; text-align: left; overflow-wrap: anywhere; max-width: 100%; }
.compact { font-size: 12px; padding: 6px 9px; }
.phrasebook { margin-top: 24px; padding-top: 17px; border-top: 1px solid #d4d4d4; }
.phrasebook h3 { margin: 15px 0 10px; font-size: 13px; }
summary { cursor: pointer; font-size: 13px; font-weight: 600; padding: 5px 0; }
.result-panel { min-height: 430px; scroll-margin-top: 20px; }
.empty { padding: 70px 10px 65px; text-align: center; color: var(--muted); }
.empty-symbol { display: block; font: 22px/1.5 ui-monospace, monospace; color: #171717; letter-spacing: .15em; margin-bottom: 24px; }
.empty h2 { font-size: 20px; color: var(--ink); }
.empty p { font-size: 13px; max-width: 350px; margin: 10px auto; }
.english { color: var(--muted); font-size: 12px; line-height: 1.6; }
.lookup-note { border-left: 2px solid #ffd629; padding-left: 12px; font-size: 13px; margin-bottom: 20px; }
.submission { margin-bottom: 20px; padding-bottom: 15px; border-bottom: 1px solid var(--line); }
.lexical { margin-top: 16px; padding: 13px 15px; background: #fff7cf; border-radius: 6px; font-size: 13px; }
.lexical .hint { margin-bottom: 6px; }
.answer { padding: 18px 20px; background: #ffd629; border-radius: 10px; margin: 20px 0 24px; }
.answer code { font-size: 25px; line-height: 1.4; font-weight: 650; }
code { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; overflow-wrap: anywhere; white-space: pre-wrap; }
.sentence { border-top: 1px solid var(--line); padding: 20px 0 5px; margin-top: 20px; }
.sentence-heading { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: start; gap: 12px; margin-bottom: 12px; }
.sentence-heading h3 { flex: 1; min-width: 110px; }
.badge { display: inline-block; border-radius: 20px; font-size: 11px; padding: 4px 9px; background: #eeeeee; }
.ambiguous, .invalid { color: #171717; background: #ffd629; }
.muted { font-size: 12px; color: var(--muted); margin: 12px 0 18px; }
.candidate { border-left: 3px solid #171717; padding: 3px 0 3px 14px; margin-bottom: 22px; }
.candidate > p:first-child { font-size: 19px; font-weight: 650; }
.assumptions { background: #fff7cf; border-radius: 6px; margin-top: 13px; padding: 12px 14px; font-size: 13px; }
.assumptions strong { font-size: 12px; }
.structure { border-top: 1px dashed var(--line); margin-top: 20px; padding-top: 18px; font-size: 13px; }
.roles { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 12px; }
.roles > div { flex: 1; min-width: 95px; background: #f4f4f4; padding: 8px 10px; border-radius: 6px; }
dt { color: var(--muted); font-size: 11px; }
dd { margin: 2px 0 0; }
.unspecified { color: #171717; }
.notice, .notices { color: #171717; background: #fff7cf; border-radius: 6px; font-size: 13px; padding: 12px 15px; margin-top: 18px; }
.notices { padding-left: 30px; }
.notices li + li { margin-top: 10px; }
.relation { margin-top: 18px; font-size: 13px; }
.terms { border-top: 1px solid var(--line); margin-top: 22px; padding-top: 10px; }
.terms article { font-size: 13px; border-top: 1px dashed var(--line); padding: 18px 0; margin-top: 12px; }
.terms h4 { font-size: 17px; }
.atoms { color: var(--muted); margin-bottom: 12px; }
.term-label { font-weight: 650; margin-top: 15px; }
footer { font-size: 11px; color: var(--muted); padding: 30px 0; }
.skip { position: absolute; left: 16px; top: -100px; background: white; padding: 8px; color: var(--ink); }
.skip:focus { top: 8px; }
@media (max-width: 760px) {
  .page { padding: 0 18px; }
  header { min-height: 69px; }
  .brand { font-size: 21px; }
  .brand span { display: none; }
  .intro { padding: 26px 0 23px; }
  main { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .input-panel, .result-panel { padding: 20px; border-radius: 12px; }
  .result-panel { min-height: 300px; }
  .empty { padding: 45px 0; }
  .answer code { font-size: 22px; }
  select, textarea, #word-search { font-size: 16px; }
  .word-grid { max-height: 330px; }
}