/* ChilmAI Landing Page — styles */

/* ============================================================
   CSS Variables
   ============================================================ */
:root {
  /* Brand Colors */
  --color-green:        #2D8C3C;
  --color-green-dark:   #246F30;
  --color-green-light:  #DFEEE2;
  --color-green-light-90: rgba(223, 238, 226, 0.9);
  --color-green-pale:   #E6F4E8;

  /* Neutral */
  --color-white:        #ffffff;
  --color-bg:           #F8F9FB;
  --color-bg-alt:       #F2FAF5;
  --color-border:       #E5E5E5;
  --color-border-light: #E5E5E5;

  /* Text */
  --color-text:         #1A2E24;
  --color-text-muted:   #5C7469;
  --color-text-light:   #8BA99B;

  /* Semantic */
  --color-github-bg:    #24292F;

  /* Typography */
  --font-sans: 'Noto Sans JP', sans-serif;
  --font-serif: 'Noto Serif JP', serif;

  /* Spacing */
  --spacing-xs:   4px;
  --spacing-sm:   8px;
  --spacing-md:   16px;
  --spacing-lg:   24px;
  --spacing-xl:   40px;
  --spacing-2xl:  64px;
  --spacing-3xl:  96px;

  /* Layout */
  --max-width:        1440px;
  --content-width:    960px;
  --content-padding:  240px;
  --mobile-padding:   24px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px color-mix(in srgb, var(--color-green) 10%, transparent), 0 1px 4px rgba(0,0,0,.06);
  --shadow-lg:  0 12px 40px color-mix(in srgb, var(--color-green) 14%, transparent), 0 4px 12px rgba(0,0,0,.08);

  /* Transition */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Header height */
  --header-h: 88px;
}

/* ============================================================
   Accessibility Utilities
   ============================================================ */
.skip-link {
  position: absolute;
  top: -9999px;
  left: 16px;
  z-index: 9999;
  padding: 10px 20px;
  background: var(--color-green-dark);
  color: var(--color-white);
  font-weight: 700;
  font-size: 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
}
.skip-link:focus {
  top: 8px;
}

.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;
}

/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ============================================================
   Layout Utilities
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--mobile-padding);
}

@media (min-width: 1024px) {
  .container {
    /*
     * clamp() の上限 240px は意図的。
     * max-width: 1440px のコンテナに対して 100vw ベースで計算すると
     * 1440px 超のビューポートでパディングが増え続けコンテンツ幅がゼロになる。
     * clamp() を max() に「最適化」しないこと。
     * stylelint-disable-next-line csstools/use-logical
     */
    /* stylelint-disable-next-line plugin/no-unsupported-browser-features */
    padding-inline: clamp(var(--mobile-padding), calc((100vw - 960px) / 2), 240px); /* do not simplify to max() */
  }
}

.section {
  padding-block: var(--spacing-3xl);
}

@media (max-width: 767px) {
  .section {
    padding-block: 64px;
  }
}

.br-pc { display: none; }
@media (min-width: 768px) {
  .br-pc { display: inline; }
}

/* ============================================================
   Section Header
   ============================================================ */
.section-header {
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.section-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-green-dark);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--color-green-dark);
  line-height: 1.3;
}

.section-lead {
  font-size: 15px;
  color: var(--color-text-muted);
  margin-top: 10px;
  line-height: 1.7;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-weight: 700;
  border-radius: var(--radius-full);
  transition: background var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn:focus-visible {
  outline: 3px solid var(--color-green-dark);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--color-green-dark);
  color: var(--color-white);
  border-color: var(--color-green-dark);
}
.btn-primary:hover {
  background: #1D5A27;
  border-color: #1D5A27;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-github {
  background: var(--color-github-bg);
  color: var(--color-white);
  border-color: var(--color-github-bg);
}
.btn-github:hover {
  background: #1a1f25;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-green-dark);
  border-color: var(--color-green-dark);
}
.btn-outline:hover {
  background: var(--color-green-light);
  transform: translateY(-1px);
}

.btn-sm  { padding: 10px 20px; font-size: 13px; }
.btn-lg  { padding: 16px 32px; font-size: 16px; }

/* ============================================================
   Reveal Animations
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ============================================================
   Material Symbols
   ============================================================ */
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: inherit;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-smoothing: antialiased;
  vertical-align: middle;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  height: var(--header-h);
  transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--mobile-padding);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

/* 1200〜1279px は横並びナビの実測必要幅（約1095px）にほぼ余裕がないため、
   ヘッダーの広いパディングは 1280px 以上でのみ適用する */
@media (min-width: 1280px) {
  .header-inner {
    padding-inline: 52px;
  }
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.logo-img {
  height: 44px;
  width: auto;
  display: block;
}

/* Nav — desktop */
.header-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-green);
  border-radius: 1px;
  transition: width var(--transition-base);
}
.nav-link:hover {
  color: var(--color-green-dark);
}
.nav-link:hover::after {
  width: 100%;
}
.nav-link:focus-visible {
  outline: 3px solid var(--color-green-dark);
  outline-offset: 3px;
  border-radius: 2px;
}

.header-btns {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Hamburger */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  padding: 0;
}

.menu-toggle:focus-visible {
  outline: 3px solid var(--color-green-dark);
  outline-offset: 5px;
  border-radius: var(--radius-sm);
}

/* 横並びナビは約1171px以上でないと収まらない（ロゴ+ナビ+CTAの実測値）ため、
   1200px 未満はハンバーガーに切り替える */
@media (min-width: 1200px) {
  .menu-toggle {
    display: none;
  }
}

.menu-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.menu-toggle.is-open .menu-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.menu-toggle.is-open .menu-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.menu-toggle.is-open .menu-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Nav Drawer */
@media (max-width: 1199px) {
  .header-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-lg) var(--mobile-padding) var(--spacing-xl);
    gap: var(--spacing-lg);
    /* 実測 519px。画面が低い端末（横向きのスマートフォンなど）でも
       下端の CTA に到達できるよう、はみ出した分はドロワー内でスクロールさせる */
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    overscroll-behavior: contain;
    transform: translateY(-100%);
    opacity: 0;
    /* 閉じている間は中のリンクをフォーカス対象から外す（opacity だけでは Tab で到達できてしまう） */
    visibility: hidden;
    pointer-events: none;
    /* visibility は閉じるアニメーションの終了後に切り替える。
       遅延は --transition-slow の duration と一致させること */
    transition: transform var(--transition-slow), opacity var(--transition-slow), visibility 0s linear 400ms;
    box-shadow: var(--shadow-lg);
  }

  .header-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    /* 開くときは即座に可視化する（遅延させると開いた直後に focus できない） */
    visibility: visible;
    transition: transform var(--transition-slow), opacity var(--transition-slow), visibility 0s linear 0s;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
    width: 100%;
  }

  .nav-link {
    font-size: 16px;
  }

  .header-btns {
    flex-direction: column;
    width: 100%;
  }

  .header-btns .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  background: var(--color-green-pale);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-block: 80px;
}

/* Decorative logo marks */
.hero-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-deco-circle {
  position: absolute;
  border-radius: 50%;
  border: 2px solid var(--color-green);
  opacity: 0.25;
}

.hero-deco-circle--1 {
  width: 220px;
  height: 220px;
  right: 6%;
  top: 8%;
}
.hero-deco-circle--2 {
  width: 150px;
  height: 150px;
  left: -40px;
  bottom: 10%;
  opacity: 0.15;
}

.hero .container {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

.hero-content {
  flex: 1;
  min-width: 0;
}

.hero-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-green-dark);
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--color-green-dark);
  border-radius: 1px;
}

.hero-title {
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
}

.hero-title-sub {
  display: block;
  color: var(--color-green-dark);
  font-size: clamp(12px, 1.2vw, 16px);
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.hero-title-main {
  display: block;
  color: var(--color-text);
  /* 見出しが長いため、hero-content の実効幅（PC で約 620px）に 2 行で収まる上限に合わせる */
  font-size: clamp(24px, 2.6vw, 35px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.3;
  /* 任意の位置で折り返さず、マークアップ側の <wbr> の位置（文節境界）で折り返す */
  word-break: keep-all;
  overflow-wrap: break-word;
}

.hero-title-main em {
  font-style: normal;
  color: var(--color-green-dark);
  background: linear-gradient(transparent 58%, rgba(255, 255, 255, 0.75) 58%);
  padding: 0 4px;
}

.hero-lead {
  font-size: clamp(14px, 1.5vw, 17px);
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
  max-width: 680px;
}

.hero-lead strong {
  color: var(--color-green-dark);
  font-weight: 700;
}

.hero-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.hero-chip {
  background: var(--color-white);
  border: 1px solid var(--color-green-light);
  color: var(--color-green-dark);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: var(--radius-full);
}

/* 768〜1199px ではヘッダーがドロワー化して CTA が畳まれる（.header-nav の
   max-width: 1199px を参照）ため、この帯域ではヒーローがファーストビュー
   唯一の導線になる。ノートPCや最大化していないブラウザウィンドウが該当する。 */
.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* 評価用 Web UI は Windows 11 の実行ファイルなので、スマートフォンからは
   ダウンロードも試用もできない。CTA を出す意味がないため非表示にする。 */
@media (max-width: 767px) {
  .hero-actions {
    display: none;
  }
}

/* Hero Visual */
.hero-visual {
  flex: 0 0 auto;
  width: min(300px, 30vw);
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hero-visual {
    width: min(260px, 34vw);
  }
  .hero .container {
    gap: var(--spacing-md);
  }
}

@media (max-width: 767px) {
  .hero-visual {
    display: none;
  }
}

.hero-img {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 8px 32px rgba(0, 0, 0, 0.12));
  border-radius: var(--radius-md);
}

/* Inline paragraph link visibility (WCAG 1.4.1) */
p a:not([class]),
li a:not([class]) {
  color: var(--color-green-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: color-mix(in srgb, var(--color-green-dark) 50%, transparent);
}
p a:not([class]):hover,
li a:not([class]):hover {
  text-decoration-color: var(--color-green-dark);
}

/* ============================================================
   FEATURES
   ============================================================ */
.features {
  background: var(--color-green-pale);
}

/* Feature cards (3 col) */
.feature-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

@media (max-width: 767px) {
  .feature-cards {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 30px;
  padding: var(--spacing-xl) var(--spacing-lg);
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
}
.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-green);
}

.feature-card__img {
  width: 100%;
  aspect-ratio: 3 / 2;
  border-radius: 18px;
  background: var(--color-green-pale);
  margin-bottom: var(--spacing-lg);
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}

.feature-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.feature-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-green-dark);
  text-align: center;
}

.feature-card__desc {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: 8px;
  line-height: 1.65;
  text-align: center;
}

/* Feature detail blocks */
.feature-detail {
  background: var(--color-white);
  border-radius: 30px;
  border: 1px solid var(--color-border);
  padding: var(--spacing-xl) var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

@media (max-width: 767px) {
  .feature-detail {
    padding: var(--spacing-lg);
  }
}

.feature-detail__header {
  margin-bottom: var(--spacing-xl);
}

.feature-detail__title {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 700;
  color: var(--color-green-dark);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-green-dark);
  display: inline-block;
}

.features .section-lead {
  color: var(--color-text);
}

/* 2-column layout for usability screenshots */
.feature-detail__content--2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

@media (max-width: 767px) {
  .feature-detail__content--2col {
    grid-template-columns: 1fr;
  }
}

.feature-screenshot-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  /* キャプションが前後の本文（.feature-detail__desc）と同じ体裁のため、
     画像と合わせて 1 つの図版ブロックとして囲み、本文と区別する */
  padding: var(--spacing-md);
  background: var(--color-green-pale);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.screenshot-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.screenshot-placeholder {
  width: 100%;
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.screenshot-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-green-pale) 25%, var(--color-green-light) 50%, var(--color-green-pale) 75%);
  background-size: 200% 200%;
  animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
  0% { background-position: 0% 0%; }
  50% { background-position: 100% 100%; }
  100% { background-position: 0% 0%; }
}

.screenshot-caption {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ---- Waiting section: 待機児童の最小化 ---- */
.feature-waiting-layout {
  display: flex;
  gap: var(--spacing-xl);
  align-items: flex-start;
}

.waiting-illust {
  width: 120px;
  flex-shrink: 0;
}

.waiting-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* 詳細ブロックの本文（詳細1・詳細3 で共通） */
.feature-detail__desc,
.waiting-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.feature-detail__desc {
  margin-bottom: var(--spacing-lg);
}

.feature-detail__desc:last-child {
  margin-bottom: 0;
}

.waiting-desc strong {
  color: var(--color-text);
}

@media (max-width: 767px) {
  .feature-waiting-layout {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-md);
  }
  .waiting-illust {
    width: 80px;
  }
}

/* Algorithm box */
.algorithm-box {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.algorithm-headline {
  font-size: clamp(14px, 1.5vw, 16px);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-xl);
  line-height: 1.5;
}

.algorithm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

@media (max-width: 767px) {
  .algorithm-grid {
    grid-template-columns: 1fr;
  }
}

.algo-badge {
  display: inline-block;
  background: var(--color-green-dark);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 700;
  padding: 2px 12px;
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-sm);
}

.algo-goal {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
}

.algo-constraints {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.algo-constraint {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.algo-icon {
  font-size: 24px;
  color: var(--color-green);
  flex-shrink: 0;
  margin-top: 2px;
}

.algo-constraint strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 2px;
}

.algo-constraint p {
  font-size: 14px;
  color: var(--color-text-muted);
}

.algorithm-col--result {
  display: flex;
  align-items: flex-start;
}

.result-badge-wrap {
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  width: 100%;
}

.result-badge {
  display: inline-block;
  background: var(--color-text);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 700;
  padding: 2px 12px;
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-sm);
}

.result-headline {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.result-headline strong {
  color: var(--color-green-dark);
  font-size: 32px;
}

.result-sub {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.comparison-chart {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.compare-bar-wrap {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.compare-label {
  font-size: 12px;
  color: var(--color-text-muted);
  width: 52px;
  flex-shrink: 0;
}

.compare-bar {
  flex: 1;
  height: 20px;
  border-radius: var(--radius-full);
  background: var(--color-bg);
  overflow: hidden;
}

.compare-fill {
  height: 100%;
  background: var(--color-border);
  border-radius: var(--radius-full);
  transition: width 1s ease;
}
.compare-fill--green {
  background: linear-gradient(90deg, var(--color-green-light), var(--color-green));
}

.compare-pct {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-muted);
  width: 36px;
  flex-shrink: 0;
  text-align: right;
}
.compare-pct--green {
  color: var(--color-green-dark);
}

/* 4-col flex cards */
.feature-detail__content--4col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

@media (max-width: 767px) {
  .feature-detail__content--4col {
    grid-template-columns: 1fr;
  }
}

.flex-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  padding: var(--spacing-lg);
}

.flex-card__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-green-light);
}

.flex-card p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================================================
   STEPS
   ============================================================ */
.steps {
  background: var(--color-white);
}

.steps-list {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step-item {
  display: grid;
  grid-template-columns: 64px 1fr 180px;
  align-items: center;
  gap: var(--spacing-lg);
  padding-block: var(--spacing-xl);
  position: relative;
}

@media (max-width: 767px) {
  .step-item {
    grid-template-columns: 48px 1fr;
  }
}

.step-item::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0;
  width: 4px;
  height: 100%;
  background: var(--color-green);
}

.step-item:first-child::before { top: 50%; height: 50%; }
.step-item:last-child::before  { height: 50%; }

@media (max-width: 767px) {
  .step-item::before { left: 23px; }
}

.step-num {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-green-dark);
  color: var(--color-white);
  font-size: 24px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  font-family: var(--font-serif);
  box-shadow: 0 0 0 6px var(--color-green-pale);
}

@media (max-width: 767px) {
  .step-num {
    width: 48px;
    height: 48px;
    font-size: 20px;
    box-shadow: 0 0 0 4px var(--color-green-pale);
  }
}

.step-content {
  padding-top: 12px;
}

.step-title {
  font-size: clamp(16px, 2vw, 24px);
  font-weight: 700;
  color: var(--color-green-dark);
  margin-bottom: var(--spacing-sm);
}

.step-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 500px;
}

/* Step visuals */
.step-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-visual img {
  width: 100%;
  max-width: 180px;
  height: auto;
  display: block;
}
@media (max-width: 767px) {
  .step-visual {
    display: none;
  }
}

/* ============================================================
   MID CTA
   ============================================================ */
.mid-cta {
  background: var(--color-green-dark);
  padding: 56px 0;
  text-align: center;
}

.mid-cta .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xl);
}

.mid-cta__heading {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.02em;
}

.mid-cta__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
  justify-content: center;
}

.mid-cta .btn-primary {
  background: var(--color-white);
  color: var(--color-green-dark);
  border-color: var(--color-white);
}
.mid-cta .btn-primary:hover {
  background: var(--color-white);
  border-color: var(--color-green-dark);
  color: var(--color-green-dark);
  box-shadow: var(--shadow-sm);
}

.mid-cta__link {
  color: var(--color-white);
  font-weight: 700;
  font-size: 15px;
  border-bottom: 2px solid rgba(255,255,255,.5);
  padding-bottom: 2px;
  transition: border-color var(--transition-base);
}
.mid-cta__link:hover {
  border-color: var(--color-white);
}
.mid-cta__link:focus-visible {
  outline: 3px solid var(--color-white);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */

/* ============================================================
   FAQ
   ============================================================ */
.faq {
  background: var(--color-white);
}

.faq-list {
  max-width: 800px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item:last-child { border-bottom: none; }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg) var(--spacing-xl);
  text-align: left;
  background: var(--color-white);
  transition: background var(--transition-fast);
  cursor: pointer;
}

.faq-question:hover {
  background: var(--color-green-pale);
}

.faq-question[aria-expanded="true"] {
  background: var(--color-green-pale);
}

.faq-q-badge {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--color-green-light);
  color: var(--color-green-dark);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
}

.faq-q-text {
  flex: 1;
  font-size: clamp(14px, 1.5vw, 15px);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
}

.faq-icon {
  flex-shrink: 0;
  font-size: 24px;
  color: var(--color-green-dark);
  transition: transform var(--transition-base);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--color-green-pale);
  border-top: 1px solid var(--color-border-light);
}

.faq-answer[hidden] { display: none; }

.faq-a-badge {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-green-dark);
  color: var(--color-white);
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
}

.faq-answer p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.8;
  padding-top: 8px;
  flex: 1;
}

/* ============================================================
   MEDIA
   ============================================================ */
.media {
  background: var(--color-bg);
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

@media (max-width: 900px) {
  .media-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .media-grid {
    grid-template-columns: 1fr;
  }
}

.media-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  text-decoration: none;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.media-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.media-card__thumb {
  width: 100%;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  background: var(--color-green-pale);
  flex-shrink: 0;
}
.media-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media-card__thumb--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
}
.media-card__thumb--award {
  background: #FEF3C7;
  color: #B45309;
}
.media-card__thumb--award .material-symbols-outlined {
  font-size: 56px;
}

.media-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  flex: 1;
}

.media-card__badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  width: fit-content;
}
.media-card__badge--press {
  background: var(--color-white);
  color: var(--color-green-dark);
  border: 1px solid var(--color-green-light);
}
.media-card__badge--book {
  background: #DBEAFE;
  color: #1D4ED8;
}
.media-card__badge--event {
  background: #FCE7F3;
  color: #9D174D;
}
.media-card__badge--award {
  background: #FDE68A;
  color: #78350F;
}

.media-card__title {
  flex: 1;
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
  margin: 0;
}

.media-card__source {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ============================================================
   TEAM
   ============================================================ */
.team {
  background: var(--color-white);
}

.team-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  max-width: 960px;
  margin-inline: auto;
}

.team-member {
  width: 210px;
  background: #f6f6f6;
  border-radius: 30px;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.team-member__name {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
}

.team-member__avatar-wrap {
  position: relative;
  width: 143px;
  height: 143px;
  flex-shrink: 0;
  margin-bottom: 16px;
}

.team-member__avatar-wrap .team-member__avatar {
  margin-bottom: 0;
}

.team-member__photo-credit {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  font-size: 11px;
  color: rgba(0, 0, 0, 0.7);
  background: rgba(255, 255, 255, 0.7);
  text-align: center;
  padding: 1px 4px;
  pointer-events: none;
}

.team-member__avatar {
  width: 143px;
  height: 143px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  margin-bottom: 16px;
}

.team-member__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

img[src="assets/images/team-kamada.jpg"] {
  object-position: center 20%;
}

.team-member__role {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-white);
  background: var(--color-green-dark);
  width: calc(100% + 32px);
  margin-left: -16px;
  margin-right: -16px;
  padding: 3px 8px;
  text-align: center;
  margin-bottom: 10px;
}

.team-member__org {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-top: 4px;
}

.team-member__desc {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-top: 8px;
  text-align: center;
}

@media (max-width: 767px) {
  .team-member {
    width: calc(50% - 10px);
    min-width: 140px;
  }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  background: var(--color-bg-alt);
}

.about-content {
  max-width: 800px;
  margin-inline: auto;
  font-size: clamp(14px, 1.5vw, 16px);
  color: var(--color-text-muted);
  line-height: 1.9;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--spacing-xl) var(--spacing-2xl);
}

@media (max-width: 767px) {
  .about-content {
    padding: var(--spacing-lg);
  }
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  background: var(--color-white);
}

.contact-cta {
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.contact-cta__lead {
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
}

.contact-form {
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: var(--spacing-xl);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl) var(--spacing-2xl);
}

@media (max-width: 767px) {
  .contact-form {
    padding: var(--spacing-lg);
  }
}

.form-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

@media (max-width: 767px) {
  .form-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
}

.form-row--textarea {
  align-items: flex-start;
}

.form-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  width: 120px;
  flex-shrink: 0;
}

.required-mark {
  color: #e74c3c;
  text-decoration: none;
  margin-left: 2px;
  font-style: normal;
}

.form-field {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-field-error {
  font-size: 13px;
  color: #c0392b;
}

.form-field-error[hidden] { display: none; }

@media (max-width: 767px) {
  .form-label { width: auto; }
}

.form-input {
  flex: 1;
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-green);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-green) 15%, transparent);
}

.form-input.is-invalid {
  border-color: #e74c3c;
  box-shadow: 0 0 0 3px rgba(231,76,60,0.15);
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 36px;
  cursor: pointer;
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-submit {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-xl);
}

/* Button loading state */
.btn-loading {
  display: none;
}
.contact-form.is-loading .btn-text { display: none; }
.contact-form.is-loading .btn-loading { display: inline; }
.contact-form.is-loading .btn-primary { opacity: 0.8; pointer-events: none; }

/* Error message */
.form-error {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  background: #fff0f0;
  color: #c0392b;
  font-size: 14px;
  margin-top: var(--spacing-lg);
}

.form-error[hidden] { display: none; }

/* Thanks message */
.form-thanks {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  justify-content: center;
  padding: var(--spacing-lg);
  color: var(--color-green-dark);
  font-weight: 600;
  font-size: 16px;
  margin-top: var(--spacing-lg);
}

.form-thanks[hidden] { display: none; }

.form-thanks .material-symbols-outlined {
  font-size: 32px;
}

.contact-privacy {
  max-width: 700px;
  margin-inline: auto;
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.8;
  text-align: center;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-text);
  padding-block: var(--spacing-xl);
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 13px;
  color: var(--color-text-light);
  letter-spacing: 0.02em;
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-link {
  font-size: 13px;
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-white);
}

.footer-link:focus-visible {
  outline: 3px solid var(--color-white);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ============================================================
   AUDIENCE SPLIT
   ============================================================ */
.audience-split {
  background: var(--color-bg-alt);
  padding-block: var(--spacing-2xl);
  border-bottom: 1px solid var(--color-border);
}

.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

@media (max-width: 767px) {
  .audience-grid {
    grid-template-columns: 1fr;
  }
}

.aud-card {
  background: var(--color-white);
  border: 1px solid var(--color-green-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.aud-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.aud-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-green-dark);
  background: var(--color-white);
  border: 1px solid var(--color-green-light);
  padding: 3px 12px;
  border-radius: var(--radius-full);
  width: fit-content;
}

.aud-heading {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--spacing-xs);
}

.aud-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.75;
  flex: 1;
}

.aud-card .btn {
  align-self: flex-start;
}

/* ボタン行とリンク行を常に二段構えで表示する */
.aud-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

/* 3つのリンクをひとまとまりで扱い、途中で折り返させない。
   幅が足りない場合は .aud-actions の wrap でグループごと下の行に落ちる */
.aud-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

@media (max-width: 480px) {
  .aud-links {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
}

.aud-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-green-dark);
  text-decoration: none;
  white-space: nowrap;
}

.aud-link:hover {
  text-decoration: underline;
}

.aud-link:focus-visible {
  outline: 3px solid var(--color-green-dark);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ============================================================
   STEPS — meta info (実施者 / 期間) + loop step
   ============================================================ */
.step-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: 10px;
  flex-wrap: wrap;
}

.step-duration {
  font-size: 12px;
  color: var(--color-text-muted);
}

.step-doc-link {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-green-dark);
  text-decoration: none;
}

.step-doc-link:hover {
  text-decoration: underline;
}

.step-doc-link:focus-visible {
  outline: 3px solid var(--color-green-dark);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Loop / iteration step */
.step-item--loop {
  background: #FFF9ED;
  border-radius: var(--radius-md);
}

.step-item--loop::before {
  background: #D4A017;
}

.step-item--loop .step-title {
  color: #5E3A00;
}

.step-item--loop .step-duration {
  color: #5E3A00;
  font-weight: 600;
}

.step-num--loop {
  background: #92650A;
  box-shadow: 0 0 0 6px #FFF3D0;
  font-size: 0;
}

.step-num--loop .material-symbols-outlined {
  font-size: 28px;
  color: var(--color-white);
}

.step-loop-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #2D1800;
  background: #E8A317;
  border-radius: var(--radius-full);
  padding: 2px 8px;
}

.step-back-note {
  font-size: 12px;
  font-weight: 600;
  color: #5E3A00;
}

.steps-next {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text);
}

.steps-next a {
  color: var(--color-green-dark);
  font-weight: 700;
  text-decoration: underline;
}

/* ============================================================
   FAQ TABS
   ============================================================ */
.faq-tabs {
  max-width: 800px;
  margin-inline: auto;
}

.faq-tab-list {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.faq-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-sans);
  color: var(--color-text-muted);
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  cursor: pointer;
  transition: background var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}

.faq-tab:hover {
  border-color: var(--color-green-light);
  color: var(--color-green-dark);
  background: var(--color-green-pale);
}

.faq-tab[aria-selected="true"] {
  background: var(--color-green-dark);
  border-color: var(--color-green-dark);
  color: var(--color-white);
}

.faq-tab:focus-visible {
  outline: 3px solid var(--color-green-dark);
  outline-offset: 3px;
}

.faq-tab .material-symbols-outlined {
  font-size: 18px;
}

.faq-panel[hidden] {
  display: none;
}

.faq-panel .faq-list {
  margin-top: 0;
}

/* ============================================================
   FAQ アコーディオン: focus-visible
   ============================================================ */
.faq-question:focus-visible {
  outline: 3px solid var(--color-green-dark);
  outline-offset: -3px;
  border-radius: var(--radius-sm);
}

/* ============================================================
   abbr ツールチップ
   ============================================================ */
abbr[title] {
  text-decoration: underline dotted var(--color-green);
  text-underline-offset: 3px;
  cursor: help;
}

/* ============================================================
   用語辞書ブロック
   ============================================================ */
.glossary-block {
  margin-top: var(--spacing-2xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
}

.glossary-block__summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: var(--spacing-lg) var(--spacing-xl);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
  cursor: pointer;
  user-select: none;
  list-style: none;
}

.glossary-block__summary:focus-visible {
  outline: 3px solid var(--color-green-dark);
  outline-offset: -3px;
  border-radius: var(--radius-lg);
}

.glossary-block__summary::-webkit-details-marker {
  display: none;
}

.glossary-block__summary .material-symbols-outlined {
  font-size: 18px;
  color: var(--color-green);
}

.glossary-block__summary::after {
  content: "▾";
  margin-left: auto;
  font-size: 12px;
  color: var(--color-text-light);
  transition: transform var(--transition-fast);
}

details.glossary-block[open] .glossary-block__summary::after {
  transform: rotate(180deg);
}

.glossary-block__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-border);
  border-top: 1px solid var(--color-border);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  overflow: hidden;
}

.glossary-block__item {
  background: var(--color-white);
  padding: var(--spacing-lg) var(--spacing-xl);
}

.glossary-block__item dt {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-green-dark);
  margin-bottom: 4px;
}

.glossary-block__item dd {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin: 0;
}

@media (max-width: 640px) {
  .glossary-block__list {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   Utility: scroll-margin-top (anchor offset for sticky header)
   ============================================================ */
#features, #steps, #media, #faq, #team, #about, #contact,
#feature-usability, #feature-minimum-waiting, #feature-flexibility {
  scroll-margin-top: calc(var(--header-h) + 16px);
}