:root {
  --mr-sky: #e8f7ff;
  --mr-sand: #fff3d5;
  --mr-card: #fffdf8;
  --mr-ink: #112f4d;
  --mr-muted: #526779;
  --mr-blue: #1767a6;
  --mr-blue-dark: #0d4777;
  --mr-yellow: #ffc94a;
  --mr-orange: #ef7b32;
  --mr-focus: #963b00;
  --mr-green: #23845c;
  --mr-red: #b8382e;
  --mr-line: #b8d5e8;
  --mr-shadow: 0 16px 34px rgba(17, 47, 77, .13);
}

* { box-sizing: border-box; }

html { min-width: 0; }

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--mr-ink);
  background:
    radial-gradient(circle at 12% 5%, rgba(255, 255, 255, .95) 0 8%, transparent 8.5%),
    radial-gradient(circle at 88% 10%, rgba(255, 255, 255, .72) 0 9%, transparent 9.5%),
    linear-gradient(180deg, var(--mr-sky) 0 48%, var(--mr-sand) 100%);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-weight: 650;
}

button, input, a { font: inherit; }

button, a { -webkit-tap-highlight-color: transparent; }

.mr-main {
  width: min(980px, calc(100% - 24px));
  min-height: calc(100vh - 58px);
  margin: 0 auto;
  padding: 14px 0 48px;
}

.mr-app {
  border: 1px solid rgba(17, 47, 77, .12);
  border-radius: 28px;
  background: rgba(255, 253, 248, .96);
  box-shadow: var(--mr-shadow);
}

.mr-screen { padding: clamp(18px, 4vw, 42px); }

.mr-screen[hidden], [hidden] { display: none !important; }

.mr-storage-status {
  margin: 0 0 10px;
  padding: 10px 14px;
  border: 2px solid var(--mr-line);
  border-radius: 14px;
  background: #fff;
  color: var(--mr-blue-dark);
  text-align: center;
}

.mr-storage-status[data-tone="warning"] { border-color: #da9b19; background: #fff8dd; color: #744600; }
.mr-storage-status[data-tone="error"] { border-color: #d75a51; background: #fff0ef; color: #84231d; }

.mr-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.mr-header-action {
  min-height: 40px;
  padding: 7px 14px;
  border: 1px solid #d7d1c5;
  border-radius: 999px;
  background: #fff;
  color: var(--mr-ink);
  cursor: pointer;
}

.mr-hero {
  text-align: center;
}

.mr-eyebrow {
  margin: 0 0 8px;
  color: var(--mr-blue);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
}

.mr-result h1 {
  margin: 0;
  font-size: clamp(38px, 7vw, 68px);
  line-height: 1.08;
  letter-spacing: .02em;
}

.mr-hero-title {
  width: min(680px, 100%);
  margin: 0 auto;
}

.mr-hero-title img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: clamp(18px, 3vw, 30px);
  box-shadow: 0 12px 26px rgba(17, 47, 77, .14);
}

.mr-lead {
  max-width: 600px;
  margin: 14px auto 0;
  color: var(--mr-muted);
  font-size: clamp(16px, 2.3vw, 21px);
  line-height: 1.75;
}

.mr-resume {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 24px 0 0;
  padding: 14px 16px;
  border: 2px solid var(--mr-blue);
  border-radius: 18px;
  background: #eef9ff;
}

.mr-resume strong, .mr-resume span { display: block; }
.mr-resume span { margin-top: 4px; color: var(--mr-muted); font-size: 14px; }
.mr-inline-actions { display: flex; gap: 8px; }

.mr-records { margin-top: 26px; }

.mr-section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.mr-section-heading h2 { margin: 0 0 10px; font-size: 20px; }
.mr-section-heading span { color: var(--mr-muted); font-size: 13px; }

.mr-stat-grid, .mr-result-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 0;
}

.mr-stat-grid div, .mr-result-grid div {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--mr-line);
  border-radius: 15px;
  background: #f6fbff;
  text-align: center;
}

.mr-stat-grid dt, .mr-result-grid dt { color: var(--mr-muted); font-size: 12px; }
.mr-stat-grid dd, .mr-result-grid dd { margin: 4px 0 0; font-size: 20px; font-weight: 900; }

.mr-course-form { margin-top: 28px; }
.mr-course-form fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
.mr-course-form legend { margin-bottom: 12px; font-size: 22px; font-weight: 900; }

.mr-course-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.mr-course-card {
  position: relative;
  min-width: 0;
  min-height: 92px;
  padding: 14px 12px 12px 42px;
  border: 2px solid var(--mr-line);
  border-radius: 17px;
  background: #fff;
  cursor: pointer;
}

.mr-course-card:hover { border-color: #6ca9cf; }
.mr-course-card:has(input:checked) { border-color: var(--mr-blue); background: #eaf7ff; box-shadow: 0 0 0 2px rgba(23, 103, 166, .12); }
.mr-course-card input { position: absolute; top: 17px; left: 14px; width: 19px; height: 19px; accent-color: var(--mr-blue); }
.mr-course-card input:focus-visible { outline: 3px solid var(--mr-focus); outline-offset: 5px; }
.mr-course-card span { display: block; color: var(--mr-muted); font-size: 13px; line-height: 1.5; }
.mr-course-card .mr-course-title { margin-bottom: 3px; color: var(--mr-ink); font-size: 17px; font-weight: 900; }
.mr-course-featured::after { content: "おすすめ"; position: absolute; top: -10px; right: 9px; padding: 2px 8px; border-radius: 99px; background: var(--mr-yellow); color: #674100; font-size: 11px; }

.mr-button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 2px solid transparent;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 900;
  cursor: pointer;
}

.mr-button-primary { background: var(--mr-blue-dark); color: #fff; box-shadow: inset 0 -4px rgba(0, 0, 0, .14); }
.mr-button-primary:hover { background: #0a3b64; }
.mr-button-quiet { border-color: var(--mr-line); background: #fff; color: var(--mr-ink); }
.mr-button-review { border-color: #d18b00; background: #fff5ce; color: #744600; }
.mr-button-link { border-color: var(--mr-line); background: #f5f8fa; color: var(--mr-blue-dark); }
.mr-button:focus-visible, .mr-choice:focus-visible, .mr-header-action:focus-visible, summary:focus-visible { outline: 4px solid var(--mr-focus); outline-offset: 3px; }
.mr-button:disabled { cursor: wait; opacity: .65; }
.mr-start-button { width: min(360px, 100%); margin: 18px auto 0; display: flex; font-size: 19px; }

.mr-details { margin-top: 16px; border-top: 1px solid var(--mr-line); }
.mr-details summary { min-height: 46px; padding: 13px 2px; color: var(--mr-blue-dark); cursor: pointer; }
.mr-details p, .mr-details ul { margin: 0 0 12px; color: var(--mr-muted); line-height: 1.8; }
.mr-details ul { padding-left: 1.4em; }

.mr-play { padding-top: 22px; }

.mr-hud {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.mr-hud > div {
  min-width: 0;
  padding: 9px 8px;
  border-radius: 14px;
  background: var(--mr-ink);
  color: #fff;
  text-align: center;
}

.mr-hud span { display: block; color: #d7efff; font-size: 11px; }
.mr-hud strong { display: block; margin-top: 2px; font-size: 18px; white-space: nowrap; }
#lives-display { color: #fff2a3; letter-spacing: .08em; }

.mr-road-stage { margin: 12px 0 14px; }
.mr-road-labels { display: flex; justify-content: space-between; margin-bottom: 3px; color: var(--mr-muted); font-size: 11px; }
.mr-road { position: relative; min-height: 70px; padding: 28px 56px 8px 8px; overflow: hidden; }
.mr-segments { display: grid; grid-template-columns: repeat(10, 1fr); gap: 4px; margin: 0; padding: 0; list-style: none; }
.mr-segments li { min-width: 0; height: 20px; border: 2px solid #8b969e; border-radius: 4px; background: #dbe4e9; transform: skewX(-10deg); }
.mr-segments li.is-complete { border-color: #b56a00; background: var(--mr-yellow); }

.mr-car {
  position: absolute;
  z-index: 2;
  top: -3px;
  left: 10%;
  width: 68px;
  height: auto;
  object-fit: contain;
  transform: translateX(-50%);
  transition: left .38s ease;
}
.mr-destination { position: absolute; top: 0; right: 2px; color: var(--mr-green); text-align: center; }
.mr-destination span { display: block; width: 43px; height: 22px; overflow: hidden; color: #e15e71; font-size: 50px; line-height: 30px; }
.mr-destination b { display: block; font-size: 9px; }

.mr-question-card {
  padding: clamp(16px, 3vw, 28px);
  border: 2px solid var(--mr-line);
  border-radius: 22px;
  background: #fff;
}

.mr-review-prelude {
  margin: 0 0 16px;
  padding: 13px 15px;
  border: 2px solid #d6ab3e;
  border-radius: 16px;
  background: #fff8dd;
}

.mr-review-prelude h2 { margin: 0 0 7px; font-size: 18px; }
.mr-review-prelude p { margin: 5px 0; color: var(--mr-muted); line-height: 1.6; }
.mr-review-prelude strong { display: block; margin-top: 8px; color: #744600; }

.mr-question-meta { display: flex; justify-content: space-between; gap: 10px; color: var(--mr-muted); font-size: 13px; }
.mr-badge { padding: 5px 10px; border-radius: 999px; background: #e5f4ff; color: var(--mr-blue-dark); font-weight: 900; }
.mr-prompt-kind { margin: 12px 0 4px; color: var(--mr-muted); font-size: 13px; }
.mr-question-card h2 { margin: 0; font-size: clamp(26px, 5vw, 43px); line-height: 1.38; text-align: center; }
.mr-hero h1:focus, .mr-question-card h2:focus, .mr-result h1:focus {
  outline: 3px solid rgba(23, 103, 166, .34);
  outline-offset: 4px;
  border-radius: 8px;
}

.mr-number-aid, .mr-feedback-aid { display: flex; flex-wrap: wrap; justify-content: center; gap: 5px; margin: 12px auto 0; }
.mr-dot { display: inline-block; width: 17px; height: 17px; border: 2px solid var(--mr-blue-dark); border-radius: 50%; background: #75c7f0; }
.mr-dot-group { display: inline-flex; gap: 4px; padding: 6px; border: 2px solid #d6ab3e; border-radius: 10px; background: #fff7d8; }
.mr-plus-mark { align-self: center; padding: 0 3px; font-size: 21px; }

.mr-choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 20px;
}

.mr-choice {
  position: relative;
  min-width: 0;
  min-height: 62px;
  padding: 10px 14px 10px 48px;
  border: 2px solid #83b8db;
  border-radius: 16px;
  background: #f2faff;
  color: var(--mr-ink);
  font-size: clamp(20px, 4vw, 28px);
  font-weight: 900;
  overflow-wrap: anywhere;
  cursor: pointer;
}

.mr-choice::before { content: attr(data-key); position: absolute; top: 50%; left: 12px; width: 27px; height: 27px; border-radius: 50%; background: var(--mr-blue-dark); color: #fff; font-size: 14px; line-height: 27px; text-align: center; transform: translateY(-50%); }
.mr-choice:hover:not(:disabled) { border-color: var(--mr-blue); background: #e2f4ff; }
.mr-choice:disabled { cursor: default; opacity: 1; }
.mr-choice.is-correct { border-color: var(--mr-green); background: #e9f8f0; }
.mr-choice.is-selected-wrong { border-color: var(--mr-red); background: #fff0ef; }
.mr-choice.is-correct::after { content: "○ せいかい"; position: absolute; top: 3px; right: 7px; color: var(--mr-green); font-size: 10px; }
.mr-choice.is-selected-wrong::after { content: "えらんだ こたえ"; position: absolute; top: 3px; right: 7px; color: var(--mr-red); font-size: 10px; }

.mr-feedback { margin-top: 14px; padding: 14px; border: 2px solid var(--mr-green); border-radius: 18px; background: #effaf4; }
.mr-feedback[data-result="wrong"] { border-color: #d68b22; background: #fff8e5; }
.mr-feedback h3 { margin: 0; font-size: 21px; }
.mr-feedback p { margin: 7px 0 0; line-height: 1.65; }
.mr-next-button { position: sticky; bottom: 8px; width: min(320px, 100%); margin: 13px auto 0; display: flex; }

.mr-result { text-align: center; }
.mr-result h1 { font-size: clamp(32px, 6vw, 56px); }
.mr-result-scene { width: min(560px, 100%); margin: 16px auto; border-radius: 24px; overflow: hidden; box-shadow: 0 12px 26px rgba(17, 47, 77, .13); }
.mr-result-image { display: block; width: 100%; height: auto; }
.mr-result-message { font-size: 18px; line-height: 1.7; }
.mr-result-grid { grid-template-columns: repeat(3, 1fr); margin-top: 18px; text-align: center; }
.mr-result-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; width: min(620px, 100%); margin: 22px auto 0; }

@media (max-width: 700px) {
  .mr-main { width: min(100% - 14px, 980px); padding-top: 8px; }
  .mr-app { border-radius: 20px; }
  .mr-screen { padding: 18px 14px 24px; }
  .mr-lead { margin-inline: auto; }
  .mr-course-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mr-stat-grid { grid-template-columns: repeat(2, 1fr); }
  .mr-resume { align-items: stretch; flex-direction: column; }
  .mr-inline-actions .mr-button { flex: 1; }
}

@media (max-width: 430px) {
  .mr-hero-title img { border-radius: 16px; }
  .mr-lead { font-size: 15px; line-height: 1.6; }
  .mr-section-heading { align-items: flex-start; flex-direction: column; gap: 0; }
  .mr-course-form { margin-top: 20px; }
  .mr-course-form legend { font-size: 19px; }
  .mr-course-grid { gap: 7px; }
  .mr-course-card { min-height: 82px; padding: 12px 8px 9px 35px; }
  .mr-course-card input { top: 14px; left: 9px; }
  .mr-course-card .mr-course-title { font-size: 15px; }
  .mr-course-card span { font-size: 11px; }
  .mr-hud { gap: 4px; }
  .mr-hud > div { padding: 7px 3px; border-radius: 10px; }
  .mr-hud strong { font-size: 15px; }
  .mr-road { padding-right: 48px; }
  .mr-segments { gap: 2px; }
  .mr-question-card { padding: 14px 10px; border-radius: 17px; }
  .mr-question-card h2 { font-size: clamp(24px, 8vw, 32px); }
  .mr-choice-grid { gap: 7px; margin-top: 15px; }
  .mr-choice { min-height: 58px; padding: 8px 7px 8px 38px; border-radius: 13px; font-size: clamp(18px, 6vw, 24px); }
  .mr-choice::before { left: 7px; width: 24px; height: 24px; font-size: 12px; line-height: 24px; }
  .mr-result-grid { grid-template-columns: repeat(2, 1fr); gap: 7px; }
  .mr-result-actions { grid-template-columns: 1fr; }
}

@media (max-width: 350px) {
  .mr-main { width: calc(100% - 8px); }
  .mr-screen { padding-inline: 9px; }
  .mr-course-card { min-height: 70px; }
  .mr-inline-actions { flex-direction: column; }
  .mr-choice-grid { grid-template-columns: 1fr; }
  .mr-choice { min-height: 50px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

@media (forced-colors: active) {
  .mr-course-card:has(input:checked), .mr-choice.is-correct, .mr-choice.is-selected-wrong { outline: 3px solid CanvasText; }
}