:root {
  color-scheme: dark;
  --bg: #06111f;
  --panel: #0b1d31;
  --panel-2: #102840;
  --line: rgba(157, 215, 229, .15);
  --text: #f4fbff;
  --muted: #8ea9b8;
  --cyan: #28d7e5;
  --orange: #ff7b2f;
  --green: #42e0a0;
  --red: #ff6d72;
  font-family: Inter, "SF Pro Display", "Hiragino Sans", "Yu Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% -10%, rgba(27, 158, 184, .2), transparent 36rem),
    radial-gradient(circle at 8% 42%, rgba(255, 123, 47, .08), transparent 30rem),
    linear-gradient(180deg, #071626 0%, var(--bg) 38%);
}
button { color: inherit; font: inherit; -webkit-tap-highlight-color: transparent; }
button:focus-visible { outline: 3px solid rgba(40, 215, 229, .45); outline-offset: 2px; }
button:disabled { cursor: default; opacity: .42; }

.topbar {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1080px;
  margin: 0 auto;
  padding: max(14px, env(safe-area-inset-top)) 24px 12px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; border: 0; padding: 0; background: none; text-align: left; cursor: pointer; }
.brand img { width: 46px; height: 46px; border-radius: 14px; }
.brand b { display: block; letter-spacing: .08em; font-size: 17px; }
.brand small { display: block; margin-top: 2px; color: var(--muted); font-size: 8px; letter-spacing: .17em; }
.top-stat { text-align: right; }
.top-stat strong { font-size: 22px; font-variant-numeric: tabular-nums; }
.top-stat strong span { color: var(--muted); font-size: 13px; }
.top-stat small { display: block; color: var(--muted); font-size: 8px; letter-spacing: .12em; }

.shell, .question-shell, .result-shell, .review-shell, .report-shell {
  width: min(100% - 32px, 1000px);
  margin: 0 auto;
  padding-bottom: calc(42px + env(safe-area-inset-bottom));
}
.eyebrow { color: var(--cyan); font-size: 10px; font-weight: 900; letter-spacing: .18em; }

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  align-items: center;
  min-height: 430px;
  padding: 54px 58px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: linear-gradient(120deg, rgba(10, 32, 52, .97), rgba(5, 64, 82, .78)), #0a2136;
  box-shadow: 0 26px 70px rgba(0, 0, 0, .24);
}
.hero::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -170px;
  width: 430px;
  height: 430px;
  border: 1px solid rgba(40, 215, 229, .16);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(40, 215, 229, .035), 0 0 0 140px rgba(40, 215, 229, .025);
}
.hero-copy { position: relative; z-index: 2; }
.hero h1, .final-hero h1 { margin: 16px 0 18px; font-size: clamp(42px, 6vw, 70px); line-height: 1.06; letter-spacing: -.045em; }
.hero h1 em { color: var(--orange); font-style: normal; }
.hero p { max-width: 510px; margin: 0 0 30px; color: #b9ccd6; line-height: 1.85; }
.hero-mascot { position: relative; z-index: 1; width: min(100%, 360px); margin: 0 auto; border-radius: 28%; filter: drop-shadow(0 26px 26px rgba(0,0,0,.34)); }

.primary, .secondary {
  min-height: 54px;
  border-radius: 16px;
  padding: 0 22px;
  font-weight: 900;
  letter-spacing: .02em;
  cursor: pointer;
}
.primary { display: inline-flex; align-items: center; justify-content: space-between; gap: 26px; border: 0; background: linear-gradient(135deg, var(--orange), #ff9c42); color: #16110e; box-shadow: 0 12px 28px rgba(255,123,47,.2); }
.secondary { border: 1px solid var(--line); background: #102238; }

.overall-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr) auto;
  gap: 10px;
  margin: 16px 0;
}
.overall-strip > div, .overall-strip > button {
  min-height: 98px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(11,29,49,.82);
}
.overall-strip span { color: var(--muted); font-size: 11px; }
.overall-strip strong { display: block; margin-top: 7px; font-size: 30px; }
.overall-strip strong small { margin-left: 3px; color: var(--muted); font-size: 12px; }
.overall-strip > button { min-width: 160px; color: var(--cyan); font-size: 11px; font-weight: 900; letter-spacing: .08em; cursor: pointer; }

.subject-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 42px; }
.subject-summary {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
}
.subject-summary--cyan { border-top: 3px solid var(--cyan); }
.subject-summary--orange { border-top: 3px solid var(--orange); }
.subject-summary--orange .eyebrow { color: var(--orange); }
.subject-summary h3 { margin: 7px 0 0; font-size: 26px; }
.subject-summary h3 small { display: block; margin-top: 5px; color: var(--muted); font-size: 11px; font-weight: 500; }
.subject-summary > strong { font-size: 38px; }
.subject-summary > strong small { color: var(--muted); font-size: 12px; }
.subject-summary dl { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 0; }
.subject-summary dl div { display: flex; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--line); }
.subject-summary dt { color: var(--muted); font-size: 11px; }
.subject-summary dd { margin: 0; font-size: 12px; font-weight: 900; }

.section-heading { display: flex; align-items: end; justify-content: space-between; margin-bottom: 18px; }
.section-heading h2, .tuning-note h2, .result-review h2, .skill-report h2 { margin: 7px 0 0; font-size: 25px; }
.section-heading > span { color: var(--muted); font-size: 12px; }
.mission-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.mission-card {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 14px;
  min-height: 142px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
}
.mission-card.is-complete { background: linear-gradient(135deg, rgba(18,73,83,.82), rgba(9,39,55,.92)); }
.mission-card.is-locked { opacity: .52; }
.mission-day { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 15px; background: #102943; color: var(--cyan); font-weight: 900; }
.mission-card.is-complete .mission-day { background: var(--cyan); color: #05202b; }
.mission-copy small, .mission-copy b, .mission-copy span { display: block; }
.mission-copy small { color: var(--orange); font-size: 8px; font-weight: 900; letter-spacing: .14em; }
.mission-copy b { margin-top: 5px; }
.mission-copy span { margin-top: 3px; color: var(--muted); font-size: 11px; }
.mission-actions { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mission-subject { display: flex; justify-content: space-between; min-height: 42px; padding: 0 13px; border: 1px solid var(--line); border-radius: 12px; background: #0e2439; align-items: center; cursor: pointer; }
.mission-subject span { font-size: 11px; }
.mission-subject b { font-size: 10px; letter-spacing: .06em; }
.mission-subject--cyan b { color: var(--cyan); }
.mission-subject--orange b { color: var(--orange); }
.mission-subject.is-complete { border-color: rgba(66,224,160,.35); background: rgba(31,111,80,.22); }

.tuning-note { margin-top: 42px; padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: rgba(11,29,49,.76); }
.level-bars { display: grid; gap: 16px; margin: 22px 0; }
.level-bars > div { display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: 12px; }
.level-bars b { font-size: 12px; }
.level-bars span { display: flex; overflow: hidden; height: 9px; border-radius: 99px; background: #173249; }
.level-bars i:nth-child(1) { background: var(--green); }
.level-bars i:nth-child(2) { background: var(--cyan); }
.level-bars i:nth-child(3) { background: var(--orange); }
.level-bars small { min-width: 156px; color: var(--muted); font-size: 10px; text-align: right; }
.tuning-note p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.privacy-note { margin-top: 26px; padding: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.privacy-note > span { color: var(--cyan); font-weight: 900; letter-spacing: .14em; }
.privacy-note p { margin: 6px 0; }
.text-button { border: 0; padding: 0; background: none; color: var(--muted); text-decoration: underline; cursor: pointer; }

.question-shell, .result-shell { max-width: 760px; }
.question-meta { display: grid; grid-template-columns: 44px 1fr auto; align-items: center; gap: 12px; padding: 14px 0; }
.back-button { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); cursor: pointer; }
.question-meta div span, .question-meta div strong { display: block; }
.question-meta div span { color: var(--cyan); font-size: 9px; font-weight: 900; letter-spacing: .13em; }
.question-meta div strong { margin-top: 3px; font-size: 16px; }
.question-meta > b { font-size: 20px; }
.question-meta > b small { color: var(--muted); font-size: 11px; }
.progress-track { height: 4px; overflow: hidden; border-radius: 10px; background: #12283d; }
.progress-track i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--cyan), var(--orange)); transition: width .3s ease; }
.question-card { margin-top: 16px; padding: 32px; border: 1px solid var(--line); border-radius: 28px; background: var(--panel); }
.question-card--cyan { border-top: 3px solid var(--cyan); }
.question-card--orange { border-top: 3px solid var(--orange); }
.question-kicker { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.question-kicker > span { color: var(--muted); font-size: 11px; }
.level { padding: 6px 10px; border-radius: 99px; font-size: 9px; }
.level--1 { background: rgba(66,224,160,.1); color: var(--green); }
.level--2 { background: rgba(40,215,229,.1); color: var(--cyan); }
.level--3 { background: rgba(255,123,47,.12); color: var(--orange); }
.question-number { display: block; margin-top: 28px; color: var(--orange); font-size: 9px; font-weight: 900; letter-spacing: .15em; }
.question-card h1 { margin: 8px 0 26px; font-size: clamp(22px, 4vw, 29px); line-height: 1.55; }
.choices { display: grid; gap: 10px; }
.choice { display: grid; grid-template-columns: 40px 1fr; align-items: center; gap: 12px; min-height: 66px; padding: 10px 16px; border: 1px solid var(--line); border-radius: 16px; background: #0d2136; text-align: left; cursor: pointer; }
.choice > span { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: #142e47; color: var(--cyan); font-weight: 900; }
.choice > b { font-size: 14px; line-height: 1.5; }
.choice.correct { border-color: rgba(66,224,160,.6); background: rgba(31,111,80,.25); }
.choice.correct > span { background: var(--green); color: #05261a; }
.choice.wrong { border-color: rgba(255,109,114,.55); background: rgba(111,38,48,.28); }
.choice.wrong > span { background: var(--red); color: #270407; }
.answer-panel { margin-top: 20px; padding: 22px; border: 1px solid rgba(66,224,160,.35); border-radius: 20px; background: rgba(31,111,80,.15); }
.answer-panel--wrong { border-color: rgba(255,123,47,.4); background: rgba(111,62,28,.18); }
.answer-panel > span { color: var(--green); font-size: 9px; font-weight: 900; letter-spacing: .16em; }
.answer-panel--wrong > span { color: var(--orange); }
.answer-panel h2 { margin: 7px 0 10px; font-size: 21px; }
.answer-panel p { margin: 0; color: #c4d4dc; font-size: 13px; line-height: 1.8; }
.question-actions, .result-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 18px; }
.question-actions .primary, .result-actions .primary { justify-content: center; }

.result-hero { padding: 48px 24px 30px; text-align: center; }
.score-ring { position: relative; display: grid; place-items: center; width: 180px; height: 180px; margin: 22px auto; border-radius: 50%; background: conic-gradient(var(--cyan) var(--score), #14283b 0); }
.score-ring::before { content: ""; position: absolute; width: 146px; height: 146px; border-radius: 50%; background: var(--bg); }
.score-ring > div { position: relative; }
.score-ring strong { font-size: 54px; }
.score-ring small { color: var(--muted); }
.result-hero h1 { margin: 0; font-size: 39px; }
.result-hero p { max-width: 480px; margin: 12px auto 0; color: var(--muted); line-height: 1.7; }
.result-review { margin-top: 20px; }
.result-review article { margin-top: 10px; padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
.result-review article b, .result-review article span { display: block; }
.result-review article b { line-height: 1.55; }
.result-review article span { margin-top: 10px; color: var(--green); font-size: 13px; font-weight: 900; }
.result-review article p { margin: 7px 0 0; color: var(--muted); font-size: 12px; line-height: 1.7; }

.review-shell, .report-shell { max-width: 900px; }
.page-heading { display: flex; align-items: center; gap: 16px; margin: 20px 0 24px; }
.page-heading h1 { margin: 5px 0 0; font-size: 38px; }
.review-tabs { display: inline-flex; gap: 5px; padding: 5px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.review-tabs button { border: 0; border-radius: 10px; padding: 10px 18px; background: none; color: var(--muted); cursor: pointer; }
.review-tabs button.active { background: #17344c; color: var(--cyan); }
.review-list { display: grid; gap: 12px; margin-top: 20px; }
.review-list article { padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); }
.review-list article > div { display: flex; justify-content: space-between; color: var(--cyan); font-size: 9px; letter-spacing: .1em; }
.review-list h2 { margin: 10px 0 18px; font-size: 18px; line-height: 1.6; }
.review-list dl { display: grid; gap: 10px; margin: 0; }
.review-list dl div { display: grid; grid-template-columns: 56px 1fr; gap: 10px; }
.review-list dt { color: var(--muted); font-size: 10px; }
.review-list dd { margin: 0; font-size: 13px; line-height: 1.65; }
.empty-state { padding: 54px 20px; text-align: center; }
.empty-state img { width: 160px; border-radius: 30%; }
.empty-state h2 { margin-bottom: 7px; }
.empty-state p { color: var(--muted); }

.final-hero { padding: 38px 20px 30px; text-align: center; }
.final-hero img { display: block; width: 180px; margin: 0 auto 22px; border-radius: 30%; }
.final-hero h1 { margin: 10px 0; }
.final-hero p { max-width: 560px; margin: 0 auto; color: var(--muted); line-height: 1.8; }
.report-score { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.report-score > div { padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); }
.report-score > div.science { border-top: 3px solid var(--cyan); }
.report-score > div.social { border-top: 3px solid var(--orange); }
.report-score span, .report-score p { color: var(--muted); font-size: 11px; }
.report-score strong { display: block; margin-top: 7px; font-size: 38px; }
.report-score strong small { color: var(--muted); font-size: 12px; }
.report-score p { margin: 7px 0 0; }
.skill-report { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 28px 0; }
.skill-report > div { padding: 24px; border: 1px solid var(--line); border-radius: 22px; background: var(--panel); }
.skill-report > div > div { display: grid; grid-template-columns: 1fr 100px 42px; align-items: center; gap: 9px; margin-top: 14px; }
.skill-report div span { color: var(--muted); font-size: 10px; }
.skill-report i { overflow: hidden; height: 6px; border-radius: 9px; background: #173249; }
.skill-report i b { display: block; height: 100%; background: linear-gradient(90deg, var(--cyan), var(--orange)); }
.skill-report strong { text-align: right; font-size: 10px; }

@media (max-width: 720px) {
  .topbar { min-height: 70px; padding-inline: 16px; }
  .brand img { width: 40px; height: 40px; }
  .brand b { font-size: 14px; }
  .top-stat strong { font-size: 18px; }
  .shell, .question-shell, .result-shell, .review-shell, .report-shell { width: min(100% - 20px, 1000px); }
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 36px 24px 26px; }
  .hero h1 { font-size: 43px; }
  .hero p { font-size: 13px; }
  .hero-mascot { width: 220px; margin-top: 28px; }
  .overall-strip { grid-template-columns: repeat(3, 1fr); }
  .overall-strip > div { min-height: 82px; padding: 14px 10px; }
  .overall-strip > div strong { font-size: 24px; }
  .overall-strip > button { grid-column: 1 / -1; min-height: 50px; }
  .subject-grid, .mission-list, .skill-report { grid-template-columns: 1fr; }
  .subject-summary { padding: 20px; }
  .mission-card { min-height: 136px; }
  .level-bars > div { grid-template-columns: 38px 1fr; }
  .level-bars small { grid-column: 2; min-width: 0; text-align: left; }
  .tuning-note { padding: 22px 18px; }
  .question-card { padding: 24px 16px; }
  .question-card h1 { font-size: 21px; }
  .choice { grid-template-columns: 38px 1fr; padding: 10px 12px; }
  .choice > b { font-size: 13px; }
  .question-actions, .result-actions { grid-template-columns: 1fr; }
  .result-actions .primary { grid-row: 1; }
  .report-score { grid-template-columns: 1fr 1fr; }
  .report-score > div:first-child { grid-column: 1 / -1; }
  .skill-report > div > div { grid-template-columns: 1fr 70px 36px; }
}

@media (max-width: 380px) {
  .brand small, .top-stat small { display: none; }
  .hero h1 { font-size: 38px; }
  .primary { width: 100%; }
  .mission-actions { grid-template-columns: 1fr; }
  .question-meta div strong { font-size: 13px; }
  .question-kicker > span { max-width: 70%; }
  .report-score { grid-template-columns: 1fr; }
  .report-score > div:first-child { grid-column: auto; }
}