@charset "UTF-8";
*, *::before, *::after {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

ul[class], ol[class] {
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

:root {
  --color-primary: #5C7A0E;
  --color-primary-dark: #46600b;
  --color-accent: #8FCB1F;
  --color-lime: #C6F135;
  --color-lite-green: #EEF7DA;
  --color-cyan: #0084A1;
  --color-orange: #D96E0C;
  --color-dark: #2B2F2B;
  --color-darker: #20241F;
  --color-cream: #F5F6F1;
  --color-cream-muted: rgba(245, 246, 241, .62);
  --color-text: #2B2F2B;
  --color-muted: rgba(43, 47, 43, .55);
  --color-bg: #FAFAF3;
  --color-surface: #ffffff;
  --color-border: rgba(43, 47, 43, .08);
  --color-correct: #16a34a;
  --color-wrong: #dc2626;
  --radius: 22px;
  --radius-btn: 16px;
  --radius-circle: 999px;
  --shadow: 0 2px 8px rgba(43, 47, 43, .06), 0 8px 20px rgba(43, 47, 43, .05);
  --font-heading: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "BIZ UDPGothic", Meiryo, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "BIZ UDPGothic", Meiryo, system-ui, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-anchor: none;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 32px);
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

h1 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 3rem;
  line-height: 1.4;
}

h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
}

h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
}

article h2 {
  margin: 16px 0;
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius-btn);
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.15s ease;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.btn-share {
  background: #000;
  color: #fff;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.1rem;
  letter-spacing: 0.1em;
}

/* ---------- バッジ ---------- */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}

.badge-difficulty-1 {
  background: #dcfce7;
  color: #166534;
}

.badge-difficulty-2 {
  background: #dbeafe;
  color: #1e40af;
}

.badge-difficulty-3 {
  background: #fef3c7;
  color: #92400e;
}

.badge-difficulty-4 {
  background: #fee2e2;
  color: #991b1b;
}

.badge-itp {
  background: #ede9fe;
  color: #5b21b6;
}

/* ---------- 拡張子チップ ---------- */
.pickup-list {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-top: 32px;
}

.ext-chip {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-weight: 700;
  text-decoration: none;
  font-size: 0.9rem;
  transition: background-color 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.ext-chip:hover {
  background: var(--color-dark);
  color: var(--color-lime);
  border-color: var(--color-dark);
}

.ext-chip-more {
  background: var(--color-dark);
  color: var(--color-lime);
  font-family: inherit;
  border: none;
}
.ext-chip-more:hover {
  background: var(--color-lime);
  color: var(--color-dark);
}

/* ---------- アイコン(Material Symbols) ---------- */
.material-symbols-outlined {
  font-family: "Material Symbols Outlined";
  font-weight: normal;
  font-style: normal;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  font-feature-settings: "liga";
  -webkit-font-smoothing: antialiased;
}

.course-emoji.material-symbols-outlined {
  color: var(--color-lite-green);
  font-size: 12rem;
}

.course-emoji-sm.material-symbols-outlined {
  color: var(--color-primary);
  font-size: 4rem;
}

.featured-emoji.material-symbols-outlined {
  color: var(--color-lime);
  font-size: 6rem;
}

.category-icon {
  color: var(--color-primary);
  font-size: 1.1em;
  vertical-align: -0.15em;
  margin-right: 4px;
}

.fun-fact h2 .material-symbols-outlined {
  color: var(--color-primary);
  font-size: 1.1em;
  vertical-align: -0.15em;
}

/* ---------- 背景波形 ---------- */
.wave {
  height: 60px;
  margin-top: -60px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 60' preserveAspectRatio='none'%3E%3Cpath d='M0,28 C168,14 432,14 600,28 C768,42 1032,42 1200,28 L1200,60 L0,60 Z' fill='%23FAFAF3'/%3E%3C/svg%3E") no-repeat;
  background-size: 100% 100%;
  transform: scaleX(-1);
  pointer-events: none;
}

.footer-wave {
  height: 60px;
  margin-top: -60px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 60' preserveAspectRatio='none'%3E%3Cpath d='M0,28 C168,14 432,14 600,28 C768,42 1032,42 1200,28 L1200,60 L0,60 Z' fill='%2320241F'/%3E%3C/svg%3E") no-repeat;
  background-size: 100% 100%;
  pointer-events: none;
}

/* ---------- ヘッダー / フッター ---------- */
.site-header {
  margin: 16px 20px 0;
  position: sticky;
  top: 16px;
  z-index: 10;
  font-weight: 700;
  margin-top: -1px;
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(250, 250, 243, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(43, 47, 43, 0.1);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  height: 74px;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 7px;
  width: 40px;
  height: 40px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 30px;
  height: 3px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle-bar:nth-child(2) {
  background: var(--color-accent);
  height: 4px;
}

.nav-toggle[aria-expanded=true] .nav-toggle-bar:nth-child(1) {
  transform: translateY(10.5px) rotate(45deg);
}
.nav-toggle[aria-expanded=true] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded=true] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-10.5px) rotate(-45deg);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  text-decoration: none;
  color: var(--color-text);
}

.header-logo-icon {
  flex-shrink: 0;
  transform: rotate(-8deg);
}

.global-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.global-nav a {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 1rem;
  color: var(--color-text);
  white-space: nowrap;
  transition: background-color 0.12s ease;
}
.global-nav a:hover {
  background: rgba(43, 47, 43, 0.06);
}
.global-nav a:first-child {
  background: var(--color-lime);
  color: var(--color-dark);
}
.global-nav a:first-child:hover {
  background: var(--color-lime);
  opacity: 0.9;
}
.global-nav a[target=_blank] {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-muted);
}
.global-nav a[target=_blank]:hover {
  background: rgba(43, 47, 43, 0.06);
  color: var(--color-text);
}

.site-footer {
  padding: 44px 20px 34px;
  background: var(--color-darker);
  color: var(--color-cream-muted);
  font-size: 0.85rem;
  margin-top: -1px;
}
.site-footer .container {
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  color: var(--color-cream);
}

.footer-right {
  margin-left: auto;
}

.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: flex-end;
  margin: 24px 0;
}
.footer-nav a {
  color: var(--color-cream-muted);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.88rem;
}
.footer-nav a:hover {
  color: var(--color-lime);
}

.copyright {
  margin: 0;
  color: var(--color-cream-muted);
  font-size: 0.8rem;
  text-align: right;
}

/* ---------- ヒーロー ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 172px 20px 136px;
  background: var(--color-dark);
  margin-top: -94px;
}
.hero::before, .hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
}
.hero::before {
  top: -40px;
  right: -30px;
  width: 320px;
  height: 320px;
  border-radius: 38px;
  background: rgba(198, 241, 53, 0.1);
  transform: rotate(18deg);
}
.hero::after {
  bottom: -60px;
  left: -50px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(198, 241, 53, 0.07);
}
.hero .container {
  max-width: 920px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 52px);
  line-height: 1.35;
  color: var(--color-cream);
}
.hero .hero-sub {
  display: block;
  width: -moz-fit-content;
  width: fit-content;
  padding: 7px 16px;
  margin-bottom: 22px;
  background: rgba(198, 241, 53, 0.14);
  color: var(--color-lime);
  font-family: inherit;
  font-weight: 700;
  font-size: 0.84rem;
  letter-spacing: 0.2em;
  white-space: nowrap;
  border-radius: var(--radius-circle);
}
.hero .accent {
  color: var(--color-lime);
}
.hero .btn-primary {
  background: var(--color-lime);
  color: var(--color-darker);
  border-radius: var(--radius-btn);
  box-shadow: 0 10px 24px rgba(198, 241, 53, 0.22);
  animation: hero-btn-float 2.4s ease-in-out infinite;
}
.hero .btn-primary:hover {
  animation: none;
  box-shadow: 0 14px 28px rgba(198, 241, 53, 0.3);
}

@keyframes hero-btn-float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}
.hero-lead {
  color: var(--color-cream-muted);
  font-size: 1.05rem;
  line-height: 1.9;
  margin: 34px 0;
}

.hero-actions {
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
}

.hero-secondary-link {
  position: relative;
  border: none;
  padding: 8px 12px;
  color: var(--color-cream-muted);
}
.hero-secondary-link:hover {
  color: var(--color-surface);
}
.hero-secondary-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--color-cream-muted);
  transition: width 0.3s ease;
}
.hero-secondary-link:hover::after {
  width: 100%;
  color: var(--color-surface);
}

/* ---------- おすすめ「10問チャレンジ」大型カード ---------- */
.section-featured {
  margin-top: 66px;
}

.featured-card {
  display: block;
  width: 80vw;
  max-width: 100%;
  margin: 0 auto;
  text-align: center;
  background: var(--color-dark);
  color: var(--color-cream);
  border-radius: var(--radius);
  padding: 32px 0;
  transition: all 0.32s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.18);
}
.featured-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.18);
}
.featured-card:active {
  transform: translateY(-5px) scale(1.01);
}

.featured-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.8rem;
}

.featured-emoji {
  transition: transform 0.32s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.featured-card:hover .featured-emoji {
  transform: scale(1.15);
}

.featured-desc {
  color: var(--color-cream-muted);
  margin: 14px 0 38px;
}

.featured-cta {
  padding: 14px 28px;
  border-radius: var(--radius-btn);
  background: var(--color-lime);
  color: var(--color-darker);
  font-weight: 800;
  font-size: 1rem;
  white-space: nowrap;
}

/* ---------- セクション / コースカード ---------- */
.home-section {
  padding-top: clamp(68px, 10vw, 132px);
}
.home-section h2 {
  position: relative;
  font-size: clamp(1.6rem, 8vw, 2.6rem);
  margin-bottom: -16px;
}
.home-section h2 span {
  position: absolute;
  z-index: -1;
  font-size: clamp(4.5rem, 13.3vw, 8rem);
  color: var(--color-lime);
  white-space: nowrap;
  left: 0;
  bottom: 0;
  line-height: 1;
}

.course-emoji {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: 2vw;
  opacity: 0.1;
  transition: all 0.32s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.course-detail {
  position: relative;
  z-index: 1;
}

.course-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 4px;
}

.course-title {
  line-height: 1.3;
}

.course-icon {
  font-size: 1.8rem;
  border-radius: 16px;
  padding: 12px;
  color: var(--color-surface);
  transition: transform 0.32s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.section-level h2 {
  margin-left: 4vw;
}
.section-level h3 {
  font-size: clamp(1.4rem, 2.8vw, 1.7rem);
}

.course-card-difficulty-1 {
  border-bottom: 4px solid var(--color-primary);
  border-left: 24px solid var(--color-primary);
}
.course-card-difficulty-1 .course-icon {
  background-color: var(--color-primary);
}
.course-card-difficulty-1 .course-emoji {
  color: var(--color-primary);
  font-size: 10rem;
}

.course-card-difficulty-2 {
  border-bottom: 4px solid var(--color-cyan);
  border-left: 24px solid var(--color-cyan);
}
.course-card-difficulty-2 .course-icon {
  background-color: var(--color-cyan);
}
.course-card-difficulty-2 .course-emoji {
  color: var(--color-cyan);
}

.course-card-difficulty-3 {
  border-bottom: 4px solid var(--color-orange);
  border-left: 24px solid var(--color-orange);
}
.course-card-difficulty-3 .course-icon {
  background-color: var(--color-orange);
}
.course-card-difficulty-3 .course-emoji {
  color: var(--color-orange);
}

.course-card-difficulty-4 {
  border-bottom: 4px solid var(--color-darker);
  border-left: 24px solid var(--color-darker);
}
.course-card-difficulty-4 .course-icon {
  background-color: var(--color-darker);
}
.course-card-difficulty-4 .course-emoji {
  color: var(--color-darker);
}

.level-cards {
  gap: 0;
  height: 400px;
  width: 100%;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  justify-content: center;
  z-index: 1;
}

.level-card {
  position: relative;
  flex: 1;
  padding: 12px 28px;
  background: var(--color-lime);
  color: var(--color-darker);
  border: none;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  border-left: 3px solid var(--color-border);
  overflow: hidden;
}
.level-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-lite-green);
  height: 0;
  top: 0;
  transition: height 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.level-card:hover .course-emoji {
  transform: translateY(-50%) rotate(-4deg) scale(1.5);
}
.level-card:hover .course-icon {
  transform: scale(1.15);
}
.level-card:hover::before {
  height: 100%;
}

.section-category h2 {
  text-align: right;
  margin-right: 4vw;
}
.section-category h2 span {
  right: 0;
}

.category-grid {
  display: grid;
  gap: 34px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  background: var(--color-lime);
  padding: 80px 32px;
}

.category-card {
  position: relative;
  overflow: hidden;
  font-weight: 600;
  background: var(--color-surface);
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
  color: var(--color-text);
  transition: all 0.32s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.18);
}
.category-card .course-emoji {
  opacity: 0.8;
  top: 66%;
  right: -1vw;
}
.category-card .course-title {
  padding: 20px;
  background-color: var(--color-dark);
  color: var(--color-surface);
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
}
.category-card .course-desc {
  padding: 40px 20px;
}
.category-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.18);
}
.category-card:hover .course-emoji {
  transform: translateY(-50%) rotate(-4deg) scale(1.3);
}
.category-card:active {
  transform: translateY(-5px) scale(1.01);
}

.section-search {
  background: var(--color-lite-green);
  border-top: 1px solid var(--color-border);
  text-align: center;
  padding-bottom: 160px;
}

.search-lead {
  margin-top: 28px;
}

/* ---------- パンくず ---------- */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin: 30px 0;
}

/* ---------- クイズ ---------- */
.quiz-container {
  max-width: 720px;
}

.quiz-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px 32px;
  margin: 8px 0 110px;
  text-align: center;
  scroll-margin-top: 110px;
}

.quiz-meta {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.quiz-progress {
  display: flex;
  align-items: center;
  gap: 12px;
}

.question-text {
  margin: 20px 0;
}

.progress-track {
  flex: 1;
  height: 8px;
  background: var(--color-border);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width 0.35s ease;
}

.progress-label {
  font-size: 0.85rem;
  color: var(--color-muted);
  white-space: nowrap;
}

.question-reading {
  color: var(--color-muted);
  font-size: 0.9rem;
  min-height: 1.4em;
  margin: 16px 0;
}

.choices {
  display: grid;
  gap: 12px;
}

.choice {
  padding: 14px 18px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  text-align: left;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.12s ease, background 0.12s ease;
}
.choice:hover:not(:disabled) {
  border-color: var(--color-primary);
  background: #eef2ff;
}
.choice:disabled {
  cursor: default;
  opacity: 0.85;
}
.choice.is-correct {
  border-color: var(--color-correct);
  background: #f0fdf4;
  animation: pop 0.3s ease;
}
.choice.is-wrong {
  border-color: var(--color-wrong);
  background: #fef2f2;
  animation: shake 0.3s ease;
}

@keyframes pop {
  50% {
    transform: scale(1.03);
  }
}
@keyframes shake {
  25% {
    transform: translateX(-5px);
  }
  75% {
    transform: translateX(5px);
  }
}
.feedback {
  margin-top: 24px;
  padding: 20px 0;
  border-top: 1px dashed var(--color-border);
}

.feedback-result {
  font-size: 1.3rem;
  font-weight: 800;
  margin: 0 0 8px;
}
.feedback-result.is-correct {
  color: var(--color-correct);
}
.feedback-result.is-wrong {
  color: var(--color-wrong);
}

.feedback-explanation {
  text-align: left;
  font-size: 0.95rem;
  color: var(--color-text);
}

.feedback-detail {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

#btn-next {
  display: block;
  margin: 0 auto;
}

/* ---------- 結果画面 ---------- */
.result-score {
  font-size: 1.1rem;
  margin-bottom: 0;
}

.result-percent {
  font-size: 3.4rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.result-rank {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 4px 0;
}

.result-comment {
  color: var(--color-muted);
}

.result-detail {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin: 24px 0;
}

.result-review {
  text-align: left;
  margin-top: 32px;
}
.result-review h3 {
  font-size: 1rem;
  border-top: 1px dashed var(--color-border);
  padding-top: 20px;
}
.result-review ul {
  padding-left: 4px;
  list-style: none;
}
.result-review li {
  margin: 6px 0;
  font-size: 0.95rem;
}

/* ---------- 辞典 / カテゴリーページ ---------- */
.fv {
  position: relative;
  background-color: var(--color-lime);
  padding-top: 260px;
  margin-top: -94px;
  overflow: hidden;
}
.fv h1 {
  position: relative;
  line-height: 1.2;
  font-size: clamp(2rem, 4vw, 2.6rem);
  margin-left: 4vw;
  z-index: 1;
}
.fv h1 span {
  position: absolute;
  z-index: -1;
  font-size: 8rem;
  color: var(--color-bg);
  white-space: nowrap;
  left: 0;
  top: -100px;
}

.fv-category-icon {
  position: absolute;
  color: var(--color-bg);
  font-size: 24rem;
  right: 0;
  bottom: -60px;
}

.page-lead {
  color: var(--color-muted);
  margin-top: 24px;
}

.dict-section {
  margin-top: 48px;
}

.dict-section h2 .count {
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 400;
}

.category-icon {
  margin-right: 12px;
}

.dict-category-heading {
  align-items: center;
  gap: 24px;
}

.dict-list {
  margin: 14px 0;
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.dict-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.9rem;
}
.dict-list a:hover {
  border-color: var(--color-primary);
}

.dict-ext {
  font-family: ui-monospace, Consolas, monospace;
  font-weight: 700;
  min-width: 90px;
}

.dict-answer {
  flex: 1;
  color: var(--color-muted);
  font-size: 0.82rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.count-badge {
  display: inline-block;
  margin-left: 12px;
  padding: 4px 14px;
  background: #eef2ff;
  color: var(--color-primary);
  border-radius: 999px;
  font-size: 0.85rem;
  vertical-align: middle;
}

.dict-category-link {
  color: var(--color-text);
}
.dict-category-link:hover {
  color: var(--color-primary);
}

.dict-more {
  font-size: 0.9rem;
  margin-top: 10px;
}

.dict-list-category {
  margin-top: 24px;
}

/* ---------- 解説記事 ---------- */
.ext-name {
  font-family: ui-monospace, Consolas, monospace;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.ext-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
}
.ext-table th, .ext-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  font-size: 0.95rem;
}
.ext-table th {
  width: 130px;
  background: var(--color-bg);
  color: var(--color-muted);
  font-weight: 600;
}

.fun-fact {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--radius);
  padding: 4px 20px 16px;
  margin-top: 24px;
}
.fun-fact h2 {
  margin-top: 16px;
  font-size: 1.1rem;
}

.cta-box {
  text-align: center;
  margin: 48px 0;
  padding: 32px 24px;
  background: var(--color-lite-green);
  border-radius: var(--radius);
}

.dict-cta,
.related {
  margin-bottom: 160px;
}

.cta-txt {
  margin-bottom: 14px;
}

/* ---------- お問い合わせフォーム ---------- */
.contact-wrap {
  max-width: 700px;
  padding: 56px 0 160px;
}

.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}
.form-group label {
  font-weight: 700;
  font-size: 0.9rem;
}

.form-required, .form-optional {
  margin-left: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 2px 8px;
}

.form-required {
  background: #fee2e2;
  color: #991b1b;
}

.form-optional {
  background: var(--color-bg);
  color: var(--color-muted);
}

.form-input {
  padding: 10px 14px;
  font-size: 0.95rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-text);
}
.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-hint {
  margin: 0;
  font-size: 0.78rem;
  color: var(--color-muted);
}

.form-submit {
  width: 100%;
  border: none;
}
.form-submit:disabled {
  opacity: 0.6;
  cursor: default;
  transform: none;
}

.form-status {
  margin-top: 16px;
  font-size: 0.9rem;
  text-align: center;
}
.form-status.is-success {
  color: var(--color-correct);
}
.form-status.is-error {
  color: var(--color-wrong);
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 960px) {
  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.3rem;
    line-height: 1.2;
  }
  .global-nav {
    display: none;
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: rgba(250, 250, 243, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 12px;
  }
  .global-nav.is-open {
    display: flex;
  }
  .global-nav a {
    text-align: center;
  }
  .hero {
    padding: 140px 1vw 48px;
  }
  .hero::before {
    top: -4.2vw;
    right: -3.1vw;
    width: 33.3vw;
    height: 33.3vw;
    border-radius: 4vw;
  }
  .hero::after {
    bottom: -6.3vw;
    left: -5.2vw;
    width: 33.3vw;
    height: 33.3vw;
  }
  .hero-lead {
    margin: 3.5vw 0;
  }
  .hero-actions {
    text-align: center;
    margin: 7vw 0;
  }
  .home-section h2 {
    text-align: start;
    margin: 0 0 18px 4vw;
  }
  .home-section h2 span {
    text-align: end;
    line-height: 0.6;
    right: 0;
    bottom: -12px;
  }
  .level-cards {
    height: auto;
  }
  .level-card {
    border-left: none;
    border-bottom: 4px solid var(--color-border);
    padding: 22px 28px;
  }
  .level-card:last-child {
    border-bottom: none;
  }
  .level-card .course-detail {
    width: 400px;
  }
  .section-featured {
    margin-top: 30px;
  }
  .featured-card {
    padding: 32px 4vw;
  }
  .category-grid {
    gap: 8vw;
    padding: 9vw 4.3vw;
  }
  .category-card .course-title {
    padding: 16px;
  }
  .category-card .course-desc {
    padding: 20px;
  }
  .section-search {
    padding-bottom: 100px;
  }
  .section-search h2 {
    margin: 0 auto;
    text-align: center;
  }
  .contact-wrap {
    margin: 0 8vw;
    padding: 20px 0 100px;
  }
  .contact-card {
    background: none;
    border: none;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
  }
  .form-input {
    background: var(--color-surface);
  }
  .form-submit {
    margin-top: 18px;
  }
  .dict-list {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
  .dict-answer {
    white-space: wrap;
    display: -webkit-box;
    overflow: hidden;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .dict-cta,
  .related {
    margin-bottom: 100px;
  }
  .fv {
    padding-top: 130px;
  }
  .fv .fv-category-icon {
    position: static;
    display: block;
    text-align: center;
    font-size: 20vw;
  }
  .fv h1 span {
    position: static;
    display: block;
    text-align: center;
    font-size: 8vw;
    margin-left: -4vw;
    padding-bottom: 20px;
  }
  .quiz-card {
    padding: 24px 18px;
  }
  .site-footer .container {
    text-align: center;
  }
  .footer-right {
    align-items: center;
  }
  .footer-nav {
    justify-content: center;
  }
  .copyright {
    text-align: center;
  }
}
/* ---------- PC/SP切り替え ---------- */
@media (max-width: 960px) {
  .for-pc {
    display: none !important;
  }
  .for-pc-flex {
    display: block;
  }
  .for-sp-br {
    display: block;
  }
}
@media (min-width: 961px) {
  .for-sp {
    display: none !important;
  }
  .for-pc-flex {
    display: flex;
  }
  .for-sp-br {
    display: none;
  }
}/*# sourceMappingURL=app.css.map */