:root {
  color-scheme: light;
  font-family: "Noto Sans JP", "Yu Gothic UI", sans-serif;
  color: #24324a;
  background: #fff7df;
  --ink: #24324a;
  --paper: #fffdf7;
  --muted: #617086;
  --line: #d7e0e6;
  --shadow: 0 8px 0 rgba(54, 65, 86, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 15% 0%, #fff 0 8%, transparent 9%), linear-gradient(160deg, #fff7df, #e7f7ff);
}

button, input, select { font: inherit; }
button { touch-action: manipulation; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 4px solid #ffb000; outline-offset: 3px; }

.topbar, main, footer { width: min(1100px, calc(100% - 32px)); margin-inline: auto; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 24px 0 18px; }
.eyebrow { margin: 0; color: #e26a4c; font-weight: 800; letter-spacing: .12em; }
h1 { margin: 2px 0 0; font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.45rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.55rem); }
.parent-button, .back-button, .primary-button {
  min-height: 52px;
  border: 2px solid #24324a;
  border-radius: 18px;
  background: #fff;
  padding: 10px 16px;
  color: var(--ink);
  font-weight: 800;
  box-shadow: 0 4px 0 #24324a;
  cursor: pointer;
}
.parent-button:active, .back-button:active, .primary-button:active { transform: translateY(3px); box-shadow: 0 1px 0 #24324a; }
.primary-button { background: #24324a; color: #fff; box-shadow: 0 4px 0 #101a2b; }
.primary-button:active { box-shadow: 0 1px 0 #101a2b; }

.welcome-card { display: flex; align-items: center; justify-content: space-between; gap: 16px; background: var(--paper); border: 3px solid #fff; border-radius: 28px; padding: 20px 24px; box-shadow: var(--shadow); }
.welcome-card h2 { margin: 6px 0 0; }
.today { margin: 0; font-size: 1.1rem; font-weight: 800; color: #57708f; }
.round-button { flex: 0 0 64px; width: 64px; height: 64px; border: 0; border-radius: 50%; background: #ffd85e; font-size: 1.8rem; box-shadow: 0 5px 0 #d6a900; cursor: pointer; }
.round-button:active { transform: translateY(3px); box-shadow: 0 2px 0 #d6a900; }

.home-section { margin-top: 26px; background: rgba(255, 253, 247, .82); border-radius: 28px; padding: 20px; box-shadow: 0 5px 0 rgba(54, 65, 86, .08); }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.section-heading h2, .section-heading h3 { margin: 4px 0 0; }
.compact-heading { align-items: flex-start; }
.section-mark { flex: 0 0 auto; font-size: 2.3rem; }
.module-heading { margin: 28px 0 10px; padding-inline: 4px; }
.notice { border-radius: 16px; padding: 12px 16px; font-weight: 800; }
.notice.success { margin: 18px 0 0; background: #d8f3dc; color: #205c37; }
.notice.warning { background: #fff0bd; color: #745200; }

.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 0 0 22px; }
.module-card { min-height: 182px; border: 0; border-radius: 28px; color: var(--ink); padding: 18px; text-align: left; box-shadow: var(--shadow); transition: transform .12s ease; cursor: pointer; }
.module-card:active { transform: scale(.97); }
.module-icon { display: block; font-size: 3.4rem; line-height: 1; }
.module-name { display: block; margin-top: 16px; font-size: clamp(1.45rem, 3vw, 2rem); font-weight: 900; }
.module-note { display: block; margin-top: 4px; font-weight: 700; opacity: .72; }
.module-today { display: block; margin-top: 12px; font-size: .95rem; font-weight: 800; color: #57708f; }

.panel { background: var(--paper); border-radius: 28px; padding: 24px; box-shadow: var(--shadow); }
.hidden { display: none !important; }
.lesson-placeholder { min-height: 350px; display: grid; place-items: center; text-align: center; }
.lesson-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 24px 0 12px; }
.lesson-kicker, .lesson-counter { margin: 0; color: #57708f; font-weight: 800; }
.question-card { max-width: 760px; margin: 0 auto; padding: clamp(22px, 5vw, 42px); border: 3px solid #fff; border-radius: 28px; background: #f7fbff; box-shadow: var(--shadow); text-align: center; }
.question-icon { margin: 0; font-size: 4rem; line-height: 1; }
.question-title { margin: 18px 0 24px; font-size: clamp(1.55rem, 4vw, 2.5rem); }
.choice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.choice-button { min-height: 68px; border: 3px solid #c7d7e5; border-radius: 18px; background: #fff; color: var(--ink); padding: 10px; font-size: clamp(1.15rem, 3vw, 1.55rem); font-weight: 900; cursor: pointer; }
.choice-button:hover:not(:disabled) { border-color: #57708f; }
.choice-button:disabled { cursor: default; }
.choice-button.correct, .choice-button.answer { border-color: #35a563; background: #d8f3dc; }
.choice-button.incorrect { border-color: #e26a4c; background: #ffe0d7; }
.lesson-feedback { min-height: 1.7em; margin: 20px 0 12px; font-size: 1.15rem; font-weight: 800; }
.next-button { min-height: 52px; border: 0; border-radius: 16px; background: #ffd85e; color: var(--ink); padding: 10px 22px; font-weight: 900; box-shadow: 0 4px 0 #d6a900; cursor: pointer; }
.next-button:active { transform: translateY(3px); box-shadow: 0 1px 0 #d6a900; }

.mission-list, .reaction-list, .summary-list { display: grid; gap: 12px; }
.mission-child-card, .parent-mission-card, .child-reaction-card, .summary-row { border: 2px solid var(--line); border-radius: 18px; background: #fff; }
.mission-child-card { display: grid; grid-template-columns: 1fr auto; gap: 10px 14px; align-items: center; padding: 14px 16px; }
.mission-child-card.is-complete, .parent-mission-card.is-complete { border-color: #79c68f; background: #f3fff5; }
.mission-heading { display: flex; align-items: center; gap: 10px; min-width: 0; }
.mission-icon { font-size: 1.8rem; line-height: 1; }
.mission-name { font-size: 1.15rem; }
.mission-count { white-space: nowrap; font-size: 1.2rem; }
.mission-track { grid-column: 1 / -1; height: 12px; overflow: hidden; border-radius: 999px; background: #e6edf2; }
.mission-fill { display: block; height: 100%; border-radius: inherit; background: #5bbd79; transition: width .15s ease; }
.status-badge { justify-self: end; border-radius: 999px; background: #fff0bd; color: #745200; padding: 4px 10px; font-size: .82rem; font-weight: 900; white-space: nowrap; }
.status-badge.complete { background: #d8f3dc; color: #205c37; }
.empty-state { margin: 4px 0; color: var(--muted); line-height: 1.7; }

.child-reaction-card { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; align-items: center; padding: 14px 16px; }
.reaction-from { grid-column: 1 / -1; color: #57708f; font-size: .9rem; font-weight: 800; }
.reaction-emoji { grid-row: span 2; font-size: 2.8rem; line-height: 1; }
.reaction-label { font-size: 1.2rem; }
.reaction-date { color: var(--muted); }

.sync-status { display: inline-block; margin: 0 0 18px; border-radius: 999px; background: #e6f4ff; color: #315c7a; padding: 7px 12px; font-size: .9rem; font-weight: 800; }
.settings-card { display: grid; gap: 14px; border-top: 2px dashed #ccd7df; padding: 22px 0; }
.settings-card h3 { margin: 0; }
.small-note { margin: -4px 0 0; font-size: .9rem; }
.settings-card label { min-height: 44px; display: flex; align-items: center; gap: 10px; }
.settings-card input[type="checkbox"] { width: 26px; height: 26px; }
.settings-card input[type="range"], .settings-card select, .mission-form input, .mission-form select { width: min(100%, 420px); min-height: 44px; border: 2px solid #c7d7e5; border-radius: 12px; background: #fff; padding: 7px 10px; color: var(--ink); }
#volume-value { margin-top: -8px; color: var(--muted); font-weight: 800; }
.module-setting { display: grid; grid-template-columns: 1fr auto; gap: 6px 16px; align-items: center; padding: 10px 0; border-bottom: 1px solid #edf1f3; }
.module-setting:last-child { border-bottom: 0; }
.module-toggle { white-space: nowrap; }
.progress { grid-column: 1 / -1; color: var(--muted); font-size: .92rem; }
.mission-form { display: grid; grid-template-columns: minmax(90px, auto) minmax(160px, 1fr) minmax(100px, auto) minmax(100px, 1fr) auto; gap: 10px; align-items: center; }
.mission-form label { min-height: 44px; }
.mission-form .primary-button { min-height: 44px; }
.form-message { min-height: 1.4em; margin: 0; color: #315c7a; font-size: .92rem; font-weight: 800; }

.summary-row { display: grid; grid-template-columns: minmax(130px, 1fr) auto minmax(300px, 1.8fr); gap: 12px 18px; align-items: center; padding: 14px 16px; }
.summary-heading { display: flex; align-items: center; gap: 10px; }
.summary-icon { font-size: 1.8rem; }
.summary-name { font-size: 1.12rem; }
.summary-value { display: grid; justify-items: end; }
.summary-score { font-size: 1.45rem; }
.summary-rate { color: #57708f; font-size: .9rem; font-weight: 800; }
.summary-detail { display: grid; gap: 6px; }
.summary-date, .reaction-state { color: var(--muted); font-size: .88rem; font-weight: 800; }
.reaction-state.has-reaction { color: #315c7a; }
.reaction-buttons { display: flex; flex-wrap: wrap; gap: 6px; }
.reaction-button { min-height: 42px; border: 2px solid #c7d7e5; border-radius: 12px; background: #fff; color: var(--ink); padding: 7px 10px; font-size: .82rem; font-weight: 800; cursor: pointer; }
.reaction-button.selected { border-color: #f1b900; background: #fff5cc; }
.parent-mission-card { display: grid; grid-template-columns: 1fr auto; gap: 8px 14px; padding: 14px 16px; }
.parent-mission-card .mission-detail, .parent-mission-card .reaction-state, .parent-mission-card .reaction-buttons { grid-column: 1 / -1; }
.mission-detail { margin: 0; color: var(--muted); font-size: .9rem; font-weight: 800; }

footer { padding: 18px 0 28px; text-align: center; color: var(--muted); font-weight: 700; }

@media (max-width: 820px) {
  .mission-form { grid-template-columns: 1fr 1fr; }
  .mission-form .primary-button { grid-column: 1 / -1; }
  .summary-row { grid-template-columns: 1fr auto; }
  .summary-detail { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .module-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .module-card { min-height: 155px; padding: 15px; }
  .module-icon { font-size: 2.8rem; }
  .topbar { align-items: flex-start; }
  .parent-button { max-width: 150px; }
  .choice-grid { grid-template-columns: 1fr; }
  .panel, .home-section { padding: 18px; }
  .mission-form { grid-template-columns: 1fr; }
  .mission-form .primary-button { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}