:root {
  color-scheme: light;
  --ink: #17223a;
  --ink-soft: #5f6d83;
  --paper: #f5f7fb;
  --card: rgba(255,255,255,.92);
  --line: #dce2ec;
  --navy: #10192d;
  --blue: #315fdb;
  --blue-soft: #e9efff;
  --coral: #ed775f;
  --teal: #277f7b;
  --shadow: 0 24px 60px rgba(22,35,62,.09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
button, textarea { font: inherit; }
button { color: inherit; }
button:focus-visible, textarea:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(49,95,219,.28);
  outline-offset: 3px;
}
.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 83% 9%, rgba(49,95,219,.10), transparent 27rem),
    radial-gradient(circle at 17% 84%, rgba(39,127,123,.07), transparent 30rem),
    linear-gradient(rgba(23,34,58,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23,34,58,.025) 1px, transparent 1px);
  background-size: auto, auto, 32px 32px, 32px 32px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px clamp(20px, 5vw, 72px);
  color: white;
  background: rgba(16,25,45,.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.brand { display: inline-flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; }
.brand-mark {
  width: 40px; height: 40px; display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.45); border-radius: 50%;
  font-family: Georgia, serif; font-size: 23px; color: #b9cbff;
}
.brand strong { display: block; font-size: 16px; letter-spacing: .06em; }
.brand small { display: block; margin-top: -4px; color: #9facbf; font-size: 10px; letter-spacing: .18em; }
.top-actions { display: flex; align-items: center; gap: 20px; }
.author-link { color: #dce5f5; font-size: 12px; text-decoration-color: #70809c; text-underline-offset: 3px; }
.privacy { color: #bac4d4; font-size: 13px; }
.privacy span { color: #74d1c9; margin-right: 4px; }
.quiet-button { padding: 8px 4px; border: 0; border-bottom: 1px solid #6e7b90; background: none; color: #d5dbea; cursor: pointer; font-size: 13px; }

.shell {
  position: relative;
  width: min(1280px, calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 260px minmax(0, 760px);
  justify-content: center;
  gap: clamp(36px, 6vw, 84px);
  padding: 48px 0 72px;
}
.rail { position: sticky; top: 116px; align-self: start; max-height: calc(100vh - 140px); overflow: auto; padding-right: 8px; }
.rail-progress { margin-bottom: 26px; }
.tool-explainer { margin: -10px 8px 22px; color: var(--ink-soft); font-size: 13px; line-height: 1.55; }
.progress-label { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 9px; color: var(--ink-soft); font-size: 13px; }
.progress-label strong { color: var(--ink); font-variant-numeric: tabular-nums; }
.progress-track { height: 4px; overflow: hidden; background: #dce3ef; border-radius: 10px; }
.progress-track span { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--blue), var(--teal)); transition: width .3s ease; }
#categoryNav { display: grid; gap: 2px; }
.category-button {
  width: 100%; display: grid; grid-template-columns: 28px 1fr auto; align-items: center; gap: 9px;
  padding: 10px 10px; border: 0; border-radius: 8px; background: transparent; color: #6d788b;
  text-align: left; cursor: pointer; transition: .18s ease;
}
.category-button:hover { color: var(--ink); background: rgba(255,255,255,.65); }
.category-button.active { color: var(--ink); background: white; box-shadow: 0 6px 20px rgba(31,45,75,.07); }
.category-button .num { font: 13px Georgia, serif; color: #94a0b3; }
.category-button .name { font-size: 14px; font-weight: 600; }
.category-button .done { font-size: 11px; font-variant-numeric: tabular-nums; }
.category-button.complete .done { color: var(--teal); }
.review-link {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  margin-top: 22px; padding: 13px 12px; border: 1px solid #cbd4e4; border-radius: 8px; background: transparent;
  font-weight: 700; font-size: 13px; cursor: pointer;
}
.review-link:hover { border-color: var(--blue); color: var(--blue); }

.workspace { min-width: 0; }
.context-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 5px 2px 15px; }
.eyebrow { color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .16em; }
.question-position { color: #7d8798; font-size: 13px; font-variant-numeric: tabular-nums; }
.question-card {
  position: relative; min-height: 535px; padding: clamp(28px, 5vw, 54px);
  overflow: hidden; background: var(--card); border: 1px solid rgba(215,222,234,.95); border-radius: 18px; box-shadow: var(--shadow);
}
.question-card::after {
  content: ""; position: absolute; right: -70px; top: -70px; width: 150px; height: 150px; border: 28px solid var(--blue-soft); border-radius: 50%; opacity: .72;
}
.why { position: relative; z-index: 1; margin: 0 0 14px; color: var(--teal); font-size: 13px; font-weight: 700; }
h1 { position: relative; z-index: 1; margin: 0; max-width: 680px; font-family: "Yu Mincho", "Hiragino Mincho ProN", Georgia, serif; font-size: clamp(27px, 4vw, 40px); font-weight: 600; line-height: 1.42; letter-spacing: .015em; }
.instruction { margin: 14px 0 24px; color: var(--ink-soft); font-size: 14px; }
.options { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 0; padding: 0; border: 0; }
.option-label { position: relative; display: block; cursor: pointer; }
.option-label input { position: absolute; opacity: 0; }
.option-face {
  min-height: 64px; display: flex; align-items: center; gap: 12px; padding: 14px 16px;
  border: 1px solid #d8dfeb; border-radius: 10px; background: #fbfcfe; transition: .16s ease;
}
.option-key { flex: 0 0 auto; width: 25px; height: 25px; display: grid; place-items: center; border-radius: 50%; background: #edf1f7; color: #758198; font-size: 12px; font-weight: 800; }
.option-text { font-size: 14px; font-weight: 650; line-height: 1.45; }
.option-label:hover .option-face { transform: translateY(-1px); border-color: #9fb3e7; background: white; }
.option-label input:checked + .option-face { border-color: var(--blue); background: var(--blue-soft); box-shadow: inset 0 0 0 1px var(--blue); }
.option-label input:checked + .option-face .option-key { background: var(--blue); color: white; }
.free-answer { display: block; margin-top: 24px; }
.free-answer > span:first-child { display: block; margin-bottom: 7px; font-size: 13px; font-weight: 700; }
.free-answer small { color: #8d97a7; font-weight: 500; }
textarea { width: 100%; resize: vertical; min-height: 76px; padding: 12px 14px 24px; border: 1px solid #d8dfeb; border-radius: 10px; background: #fbfcfe; color: var(--ink); font-size: 14px; line-height: 1.55; }
textarea:focus { border-color: var(--blue); background: white; }
.free-answer { position: relative; }
.char-count { position: absolute; right: 10px; bottom: 5px; color: #9aa4b4; font-size: 11px; }
.question-actions { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; margin-top: 20px; }
button { -webkit-tap-highlight-color: transparent; }
.primary-button, .secondary-button, .danger-button, .skip-button { border-radius: 9px; cursor: pointer; font-weight: 750; transition: .16s ease; }
.primary-button { padding: 13px 22px; border: 1px solid var(--blue); background: var(--blue); color: white; box-shadow: 0 8px 20px rgba(49,95,219,.18); }
.primary-button:hover { background: #244fc4; transform: translateY(-1px); }
.secondary-button { padding: 12px 18px; border: 1px solid #cbd4e4; background: rgba(255,255,255,.7); }
.secondary-button:hover { background: white; border-color: #a9b7cc; }
.secondary-button:disabled { opacity: .4; cursor: not-allowed; }
.skip-button { justify-self: center; padding: 8px 12px; border: 0; background: transparent; color: #7d8798; font-size: 13px; }
.skip-button:hover { color: var(--ink); text-decoration: underline; }
.key-hint { margin: 18px 0 0; text-align: center; color: #9aa4b3; font-size: 12px; }

.review-view h1 { font-size: clamp(28px, 4vw, 42px); }
.review-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 30px; margin-bottom: 30px; }
.review-header p { max-width: 600px; color: var(--ink-soft); }
.profile-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 28px; }
.profile-axis { padding: 18px; background: white; border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 8px 25px rgba(25,38,66,.04); }
.axis-top { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 11px; }
.axis-top strong { font-size: 14px; }
.axis-top span { color: var(--blue); font-size: 12px; font-weight: 800; }
.axis-line { height: 5px; background: #e4e9f2; border-radius: 6px; overflow: hidden; }
.axis-line span { display: block; height: 100%; background: linear-gradient(90deg, var(--teal), var(--blue)); border-radius: inherit; }
.axis-note { margin: 9px 0 0; color: var(--ink-soft); font-size: 12px; line-height: 1.45; }
.review-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.review-panel { position: relative; min-height: 265px; padding: 28px; background: white; border: 1px solid var(--line); border-radius: 16px; }
.review-panel h2 { margin: 28px 0 8px; font: 600 23px/1.4 "Yu Mincho", serif; }
.review-panel p { margin: 0 0 22px; color: var(--ink-soft); font-size: 14px; }
.panel-number { position: absolute; top: 20px; right: 22px; color: #aeb8c8; font: 17px Georgia, serif; }
.accent-panel { background: var(--navy); border-color: var(--navy); color: white; }
.accent-panel p { color: #b8c2d3; }
.export-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.accent-panel .secondary-button { border-color: #536078; background: transparent; color: white; }
.full { width: 100%; }
.usage-note { margin-top: 18px; padding: 17px 20px; border: 1px solid var(--line); border-radius: 10px; background: rgba(255,255,255,.55); }
.usage-note summary { cursor: pointer; font-weight: 750; font-size: 14px; }
.usage-note p { color: var(--ink-soft); font-size: 14px; }
.site-footer { position: relative; width: min(760px, calc(100% - 40px)); margin: 0 auto 48px; padding: 24px 2px 0; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 13px; }
.site-footer > p { margin: 0 0 12px; }
.site-footer a { color: var(--blue); text-underline-offset: 3px; }
.site-footer details { padding: 14px 0; }
.site-footer summary { width: fit-content; cursor: pointer; color: var(--ink); font-weight: 750; }
.site-footer details p { max-width: 720px; }

dialog { width: min(460px, calc(100% - 32px)); padding: 0; border: 0; border-radius: 16px; box-shadow: 0 32px 90px rgba(4,12,28,.35); }
dialog::backdrop { background: rgba(10,18,34,.55); backdrop-filter: blur(3px); }
dialog form { padding: 32px; }
.dialog-kicker { color: var(--coral); font-size: 11px; font-weight: 900; letter-spacing: .18em; }
dialog h2 { margin: 8px 0; font: 600 25px/1.4 "Yu Mincho", serif; }
dialog p { color: var(--ink-soft); font-size: 14px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 26px; }
.danger-button { padding: 12px 18px; border: 1px solid #c94738; background: #c94738; color: white; }
.toast { position: fixed; left: 50%; bottom: 24px; z-index: 40; transform: translate(-50%, 20px); padding: 10px 16px; border-radius: 8px; background: var(--navy); color: white; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: .2s ease; font-size: 13px; }
.toast.show { transform: translate(-50%, 0); opacity: 1; }
.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; }
[hidden] { display: none !important; }

@media (max-width: 900px) {
  .shell { width: min(760px, calc(100% - 28px)); grid-template-columns: 1fr; gap: 22px; padding-top: 24px; }
  .rail { position: static; max-height: none; overflow: visible; padding: 0; }
  #categoryNav { display: flex; overflow-x: auto; padding-bottom: 5px; scrollbar-width: thin; }
  .category-button { min-width: 142px; grid-template-columns: 24px 1fr; }
  .category-button .done { display: none; }
  .review-link { display: none; }
  .rail-progress { margin-bottom: 14px; }
  .profile-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .topbar { min-height: 68px; padding: 10px 16px; }
  .top-actions { gap: 10px; }
  .brand-mark { width: 36px; height: 36px; }
  .brand strong { font-size: 14px; }
  .brand small { font-size: 9px; }
  .privacy { display: none; }
  .author-link { max-width: 82px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .quiet-button { font-size: 12px; }
  .shell { width: min(100% - 20px, 760px); padding: 18px 0 42px; }
  .context-row { margin-inline: 4px; }
  .question-card { min-height: 0; padding: 26px 20px; border-radius: 14px; }
  .question-card::after { width: 110px; height: 110px; border-width: 20px; }
  .options { grid-template-columns: 1fr; }
  .option-face { min-height: 56px; }
  .question-actions { grid-template-columns: 1fr 1fr; }
  .skip-button { grid-row: 2; grid-column: 1 / -1; }
  .review-header { display: block; }
  .review-header .secondary-button { margin-top: 8px; }
  .profile-grid, .review-panels { grid-template-columns: 1fr; }
  .export-actions { grid-template-columns: 1fr; }
  .key-hint { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

select {width:100%;padding:12px;font:inherit;background:white;color:var(--ink);border:1px solid var(--line);border-radius:8px;} button:disabled {opacity:.45;cursor:not-allowed;} .option-label input:focus-visible + .option-face {outline:3px solid var(--blue);outline-offset:3px;} @media(max-width:900px){.review-link{display:flex;}}
/* Public multilingual release: preserve the original visual direction. */
body {font-size:1rem;}
.topbar {position:relative;flex-wrap:wrap;gap:1rem;}
.brand small {font-size:.75rem;letter-spacing:.06em;margin:0;}
.languages {display:flex;flex-wrap:wrap;gap:.4rem .8rem;max-width:48rem;}
.languages a {color:#dce5f5;font-size:.875rem;text-underline-offset:4px;padding:.2rem;}
.languages a[aria-current=page] {color:white;font-weight:800;text-decoration-thickness:3px;}
.rail {top:1rem;max-height:calc(100vh - 2rem);}
.category-button .name,.instruction,.option-text,textarea,.free-answer>span:first-child,.why,.progress-label,.review-link,.tool-explainer,.review-panel p,.usage-note p,.usage-note summary,.secondary-button,.skip-button,.site-footer {font-size:.875rem;}
.meta,.category-button .done,.category-button .num,.eyebrow,.question-position,.key-hint {font-size:.8125rem;}
select {font-size:1rem;}
.free-answer {margin-bottom:.5rem;}
.question-card {min-height:0;}
.question-card textarea {font-size:1rem;line-height:1.6;padding-bottom:1rem;}
.question-card .meta {margin:.25rem 0 .5rem;}
.category-button,.primary-button,.secondary-button,.skip-button {min-height:44px;}
.option-label input:focus-visible + .option-face {outline:3px solid var(--blue);outline-offset:3px;}
button:disabled {opacity:.45;cursor:not-allowed;transform:none;}
.review-header {display:block;}
.review-header button {margin-top:.5rem;}
.review-category {padding:1rem;margin:1rem 0;border:1px solid var(--line);border-radius:10px;background:white;}
.review-category summary {font-size:1rem;font-weight:700;cursor:pointer;}
.answer-row {border-top:1px solid var(--line);padding:1rem 0;}
.answer-row h3 {font-size:1rem;line-height:1.6;}
.answer-row p {overflow-wrap:anywhere;}
.answer-note {white-space:pre-wrap;}
.document {position:relative;max-width:54rem;margin:3rem auto;padding:0 1.25rem;}
.document h1 {font-size:2.25rem;max-width:none;}
.document h2 {margin-top:2.5rem;font-size:1.4rem;}
.document h3 {font-size:1.1rem;}
.document p,.document li {font-size:1rem;line-height:1.85;overflow-wrap:anywhere;}
.document a,.notice a {color:var(--blue);}
.document blockquote {border-left:4px solid var(--blue);padding:1rem;margin:1rem 0;background:white;}
.site-footer {max-width:64rem;width:calc(100% - 2.5rem);margin:0 auto 3rem;line-height:1.9;}
.site-footer p {margin:.8rem 0;}
.notice {position:relative;max-width:54rem;margin:1rem auto;padding:1rem;border:1px solid var(--line);background:white;}
.notice:has(+ .shell) {color:#842a20;}
.toast {max-width:calc(100% - 2rem);width:max-content;font-size:.875rem;overflow-wrap:anywhere;}
#handoffText {white-space:pre-wrap;}
@media(max-width:900px){.review-link{display:flex;}.rail{max-height:none;}.rail .secondary-button{margin-bottom:.5rem;}.category-button .done{display:block;}.category-button{min-width:180px;grid-template-columns:24px 1fr auto;}.languages{max-width:100%;}}
@media(max-width:620px){.brand strong{font-size:1rem;}.brand small{font-size:.75rem;}.document{margin:2rem auto;}.question-position{white-space:nowrap;}.context-row{gap:.5rem;}.question-actions{grid-template-columns:1fr 1fr;}.question-actions button{padding:.75rem .5rem;}}
@media print {.topbar,.rail,.question-actions,.site-footer,button{display:none;} .shell{display:block;} .document{margin:0;max-width:none;}}

/* Mobile layout repair, 2026-09-11.
   A 1fr grid track has an automatic content minimum. The horizontal category
   strip must overflow inside its own viewport, never widen the page grid. */
.shell > *, .rail, #categoryNav, .brand > span, .languages,
.options, .option-label, .option-face, .option-text { min-width: 0; }
.options { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.option-text, .category-button .name, .brand strong, .brand small,
.context-row, .review-category, .site-footer { overflow-wrap: anywhere; }
.brand { max-width: 100%; min-width: 0; }
.brand-mark { flex-shrink: 0; }
select, textarea { max-width: 100%; min-width: 0; }
@media (max-width: 900px) {
  .shell { grid-template-columns: minmax(0, 1fr); }
  .rail { width: 100%; min-width: 0; position: static; max-height: none; }
  #categoryNav {
    width: 100%; max-width: 100%; min-width: 0;
    overflow-x: auto; overflow-y: hidden;
    overscroll-behavior-x: contain;
    padding: 4px 2px 10px;
  }
  .category-button { flex: 0 0 180px; width: 180px; min-width: 0; }
  .category-button .name { min-width: 0; }
  .tool-explainer { margin: 0 0 12px; }
  .review-link { margin-top: 10px; }
  .rail > .meta { margin: 8px 0; }
  .rail > .secondary-button { margin: 0; }
  .context-row { flex-wrap: wrap; }
}
@media (max-width: 620px) {
  .topbar { gap: 8px; padding: 12px 14px; }
  .brand { gap: 10px; }
  .brand strong { letter-spacing: .02em; }
  .languages { gap: 0 .6rem; }
  .languages a { display: inline-flex; align-items: center; min-height: 44px; }
  .shell { width: calc(100% - 24px); gap: 18px; padding-top: 18px; }
  .question-card { padding: 22px 16px; }
  .options { grid-template-columns: minmax(0, 1fr); }
  .question-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .export-actions { grid-template-columns: minmax(0, 1fr); }
  .question-actions button, .export-actions button { min-width: 0; overflow-wrap: anywhere; }
  .dialog-actions { flex-wrap: wrap; }
}

/* Mobile repair 2: ordinary block flow avoids intrinsic grid track sizing. */
@media (max-width: 900px) {
  .shell { display: block; width: calc(100% - 28px); max-width: 760px; }
  .shell > .rail, .shell > .workspace { width: 100%; max-width: 100%; min-width: 0; }
  .shell > .rail { margin-bottom: 22px; }
  #categoryNav { contain: inline-size; }
  .question-card, .review-panel, .review-category { max-width: 100%; min-width: 0; }
}
@media (max-width: 620px) {
  .shell { width: calc(100% - 24px); }
}

.guide-entry { display:inline-flex; align-items:center; justify-content:center; min-height:44px; padding:.5rem 1rem; border:1px solid #b9cbff; border-radius:8px; color:white; font-size:1rem; font-weight:700; text-decoration:none; }
.guide-entry:hover { background:#263752; }
.guide-entry:focus-visible,.guide-return:focus-visible { outline:3px solid #86a6ff; outline-offset:3px; }
.quickstart { margin:1.5rem 0 2rem; padding:1.25rem; background:white; border:1px solid var(--line); border-radius:12px; }
.document .quickstart h2 { margin-top:0; }
.quickstart ol { padding-left:1.5rem; }
.quickstart li { padding-left:.25rem; margin-bottom:1.5rem; }
.quickstart h3 { margin-bottom:.4rem; }
.quickstart p { margin-top:.4rem; }
.guide-return { display:inline-block; padding:.65rem 1rem; border:1px solid var(--blue); border-radius:8px; font-weight:700; }
@media(max-width:620px){.quickstart{padding:1rem;}.guide-entry{padding:.5rem .8rem;}}