/* ============================================================
   コードのたね — style.css
   モバイルファースト構成 / CSS変数定義
   ============================================================ */

/* ---------- リセット ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { background: transparent; border: 0; cursor: pointer; font: inherit; color: inherit; padding: 0; }

/* ---------- CSS変数 ---------- */
:root {
  --color-primary: #22A8B5;
  --color-primary-dark: #1A8D98;
  --color-accent: #FFB627;
  --color-accent-dark: #E89F12;
  --color-base: #FFFAEF;
  --color-card: #ffffff;
  --color-text: #1F2D3D;
  --color-subtext: #5A6B7B;
  --color-border: #EAE3D2;

  --font-heading: "Zen Maru Gothic", "M PLUS Rounded 1c", "Hiragino Maru Gothic ProN", sans-serif;
  --font-body: "M PLUS Rounded 1c", "Hiragino Sans", "Yu Gothic", sans-serif;

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-pill: 999px;

  --shadow-card: 0 8px 24px rgba(31, 45, 61, 0.08);
  --shadow-cta: 0 6px 18px rgba(34, 168, 181, 0.35);

  --header-h: 60px;

  /* 統一バナー用 */
  --pn-bg: #1F2D3D;
  --pn-fg: #FFFAEF;
  --pn-fg-rgb: 255, 250, 239;
  --pn-accent: #FFB627;
  --pn-font: var(--font-body);
}

/* ---------- 基本タイポ ---------- */
body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-base);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

/* ============================================================
   ポートフォリオ告知バナー（指示書.md準拠）
   ============================================================ */
.portfolio-notice {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 300;
  background: var(--pn-bg);
  color: var(--pn-fg);
  padding: 0.55rem 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-align: center;
  line-height: 1.6;
  border-bottom: 1px solid var(--pn-accent);
  font-family: var(--pn-font);
}
.portfolio-notice strong {
  color: var(--pn-accent);
  letter-spacing: 0.2em;
  margin-right: 0.6rem;
  font-weight: 700;
}
.portfolio-notice .pn-close {
  background: transparent;
  border: 1px solid rgba(var(--pn-fg-rgb), 0.4);
  color: var(--pn-fg);
  font-size: 0.7rem;
  padding: 2px 8px;
  margin-left: 0.8rem;
  cursor: pointer;
  letter-spacing: 0.1em;
  transition: all 0.3s;
  font-family: inherit;
  border-radius: 4px;
}
.portfolio-notice .pn-close:hover {
  background: var(--pn-accent);
  border-color: var(--pn-accent);
  color: var(--pn-bg);
}

body.notice-visible { padding-top: 44px; }
body.notice-visible .site-header { top: 44px; }

@media (max-width: 720px) {
  .portfolio-notice {
    font-size: 0.7rem;
    padding: 0.5rem 0.8rem;
  }
  body.notice-visible { padding-top: 64px; }
  body.notice-visible .site-header { top: 64px; }
}

/* ============================================================
   ヘッダー
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(255, 250, 239, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  border-bottom: 1px solid var(--color-border);
  transition: top 0.3s;
}
.header-inner {
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text);
}
.logo-mark {
  color: var(--color-primary);
  font-family: var(--font-body);
}
.pc-nav { display: none; }
.header-cta {
  display: none;
}

/* ハンバーガー */
.hamburger {
  width: 44px; height: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  position: relative;
  z-index: 220;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.35s cubic-bezier(.4,0,.2,1), opacity 0.35s;
  transform-origin: center;
}
.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   ドロワー（パターンB）
   ============================================================ */
.drawer-mask {
  position: fixed;
  inset: 0;
  background: rgba(31, 45, 61, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s;
  z-index: 210;
}
.drawer-mask.is-open {
  opacity: 1;
  pointer-events: auto;
}
.drawer {
  position: fixed;
  top: 0; right: 0;
  width: 80vw;
  max-width: 360px;
  height: 100dvh;
  background: var(--color-base);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(.4,0,.2,1);
  z-index: 215;
  padding: calc(var(--header-h) + 1rem) 1.5rem 2rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.drawer.is-open {
  transform: translateX(0);
  box-shadow: -8px 0 32px rgba(31, 45, 61, 0.18);
}
body.notice-visible .drawer {
  padding-top: calc(var(--header-h) + 44px + 1rem);
}
@media (max-width: 720px) {
  body.notice-visible .drawer {
    padding-top: calc(var(--header-h) + 64px + 1rem);
  }
}

.drawer-list {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-bottom: 2rem;
}
.drawer-list a {
  display: block;
  padding: 0.9rem 0.4rem;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.05rem;
  transition: color 0.2s;
}
.drawer-list a:hover { color: var(--color-primary); }
.drawer-cta {
  margin-top: 1rem;
  background: var(--color-accent);
  color: var(--color-text) !important;
  border-radius: var(--radius-pill);
  text-align: center;
  padding: 0.95rem 1rem !important;
  border: none !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 12px rgba(255, 182, 39, 0.4);
}
.drawer-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}
.drawer-tel {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.85rem;
  color: var(--color-subtext);
}
.drawer-tel a {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-primary);
}
.drawer-tel small { font-size: 0.7rem; }

/* ============================================================
   共通レイアウト
   ============================================================ */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
.section {
  padding: 4rem 0;
}
.section-eyebrow {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  font-size: 0.85rem;
  text-align: center;
  margin-bottom: 0.5rem;
}
.section-title {
  font-size: 1.7rem;
  text-align: center;
  margin-bottom: 1.2rem;
  position: relative;
}
.section-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
  margin: 0.8rem auto 0;
}
.section-lead {
  text-align: center;
  color: var(--color-subtext);
  margin-bottom: 2.5rem;
  font-size: 0.95rem;
  line-height: 1.9;
}

.sp-only { display: inline; }
.pc-only { display: none; }

/* ボタン */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 1.6rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-cta);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(34, 168, 181, 0.4);
}
.btn-ghost {
  background: #fff;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}
.btn-large {
  height: 56px;
  font-size: 1rem;
  padding: 0 2rem;
}

/* ============================================================
   ヒーロー
   ============================================================ */
.hero {
  padding-top: calc(var(--header-h) + 2rem);
  padding-bottom: 3rem;
  background:
    radial-gradient(circle at 90% -10%, rgba(255, 182, 39, 0.18), transparent 50%),
    radial-gradient(circle at 10% 90%, rgba(34, 168, 181, 0.12), transparent 55%),
    var(--color-base);
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
}
.hero h1 {
  font-size: 1.95rem;
  line-height: 1.45;
  margin-bottom: 1.2rem;
  letter-spacing: 0.02em;
}
.hero-lead {
  font-size: 1rem;
  color: var(--color-subtext);
  margin-bottom: 1.8rem;
  line-height: 1.9;
}
.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.hero-cta .btn { width: 100%; }
.hero-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 16 / 11;
}
.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================================
   About / Value
   ============================================================ */
.section-about {
  background: #fff;
}
.value-list {
  display: grid;
  gap: 1.2rem;
}
.value-card {
  background: var(--color-base);
  border-radius: var(--radius-md);
  padding: 1.8rem 1.5rem;
  position: relative;
  border-top: 4px solid var(--color-primary);
}
.value-card:nth-child(2) { border-top-color: var(--color-accent); }
.value-card:nth-child(3) { border-top-color: #6BCB77; }
.value-num {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2rem;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.value-card:nth-child(2) .value-num { color: var(--color-accent-dark); }
.value-card:nth-child(3) .value-num { color: #4FAE5A; }
.value-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
}
.value-card p {
  font-size: 0.95rem;
  color: var(--color-subtext);
}

/* ============================================================
   Features
   ============================================================ */
.section-features {
  background: var(--color-base);
}
.feature-grid {
  display: grid;
  gap: 1rem;
}
.feature-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 1.8rem 1.5rem;
  box-shadow: var(--shadow-card);
  text-align: center;
  transition: transform 0.3s;
}
.feature-card:hover { transform: translateY(-4px); }
.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 0.8rem;
  line-height: 1;
}
.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
  color: var(--color-primary-dark);
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--color-subtext);
  text-align: left;
}

/* ============================================================
   Course
   ============================================================ */
.section-course {
  background: #fff;
}
.course-grid {
  display: grid;
  gap: 1.2rem;
}
.course-card {
  background: var(--color-base);
  border-radius: var(--radius-md);
  padding: 1.8rem 1.5rem;
  position: relative;
  border: 2px solid transparent;
}
.course-card-featured {
  background: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 12px 32px rgba(255, 182, 39, 0.2);
}
.course-badge {
  position: absolute;
  top: -14px; right: 18px;
  background: var(--color-accent);
  color: var(--color-text);
  padding: 0.3rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
}
.course-tag {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: 0.2rem 0.8rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}
.course-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.4rem;
}
.course-target {
  color: var(--color-subtext);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.course-points {
  margin-bottom: 1.2rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--color-border);
}
.course-points li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}
.course-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}
.course-price {
  font-size: 0.95rem;
  color: var(--color-text);
}
.course-price strong {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-primary-dark);
  margin-right: 0.2rem;
}
.course-price small {
  display: block;
  font-size: 0.75rem;
  color: var(--color-subtext);
  margin-top: 0.2rem;
}
.course-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-subtext);
  margin-top: 1.5rem;
}

/* ============================================================
   Flow
   ============================================================ */
.section-flow {
  background: var(--color-base);
}
.flow-list {
  display: grid;
  gap: 1rem;
}
.flow-item {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  box-shadow: var(--shadow-card);
}
.flow-num {
  flex-shrink: 0;
  width: 44px; height: 44px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
}
.flow-body h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}
.flow-body p {
  font-size: 0.9rem;
  color: var(--color-subtext);
}

/* ============================================================
   Instructor
   ============================================================ */
.section-instructor {
  background: #fff;
}
.instructor-grid {
  display: grid;
  gap: 1.5rem;
}
.instructor-card {
  background: var(--color-base);
  border-radius: var(--radius-md);
  padding: 1.8rem 1.5rem;
  text-align: center;
}
.instructor-photo {
  width: 140px; height: 140px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 1rem;
  border: 4px solid #fff;
  box-shadow: var(--shadow-card);
}
.instructor-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.instructor-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.2rem;
}
.instructor-role {
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}
.instructor-bio {
  font-size: 0.9rem;
  color: var(--color-subtext);
  text-align: left;
}

/* ============================================================
   FAQ
   ============================================================ */
.section-faq {
  background: var(--color-base);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  gap: 0.6rem;
}
.faq-item {
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 0;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(31, 45, 61, 0.05);
}
.faq-item summary {
  cursor: pointer;
  padding: 1.1rem 3rem 1.1rem 1.2rem;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  list-style: none;
  transition: background 0.2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "＋";
  position: absolute;
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-primary);
  font-size: 1.3rem;
  font-weight: 700;
  transition: transform 0.3s;
}
.faq-item[open] summary::after {
  content: "−";
}
.faq-item summary:hover { background: var(--color-base); }
.faq-item p {
  padding: 0 1.2rem 1.2rem;
  color: var(--color-subtext);
  font-size: 0.9rem;
  border-top: 1px dashed var(--color-border);
  padding-top: 1rem;
}

/* ============================================================
   Access
   ============================================================ */
.section-access {
  background: #fff;
}
.access-grid {
  display: grid;
  gap: 1.5rem;
}
.access-info dl {
  display: grid;
  gap: 1rem;
}
.access-info dt {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.2rem;
}
.access-info dd {
  font-size: 0.95rem;
  border-bottom: 1px dashed var(--color-border);
  padding-bottom: 1rem;
}
.access-info dd small {
  display: block;
  font-size: 0.75rem;
  color: var(--color-subtext);
  margin-top: 0.2rem;
}
.access-map {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 4 / 3;
}
.access-map img {
  width: 100%; height: 100%;
  object-fit: cover;
}

/* ============================================================
   Contact
   ============================================================ */
.section-contact {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2DC0CE 100%);
  color: #fff;
}
.section-contact .section-eyebrow,
.section-contact .section-title {
  color: #fff;
}
.section-contact .section-title::after {
  background: var(--color-accent);
}
.section-contact .section-lead {
  color: rgba(255,255,255,0.9);
}
.contact-inner {
  text-align: center;
}
.contact-cta {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  max-width: 400px;
  margin: 0 auto 2rem;
}
.contact-cta .btn-primary {
  background: var(--color-accent);
  color: var(--color-text);
  box-shadow: 0 6px 18px rgba(0,0,0,0.2);
}
.contact-cta .btn-primary:hover {
  background: var(--color-accent-dark);
}
.contact-cta .btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.contact-cta .btn-ghost:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
  color: #fff;
}
.disclaimer {
  background: rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  text-align: left;
  max-width: 600px;
  margin: 0 auto;
  font-size: 0.85rem;
  line-height: 1.7;
  border: 1px solid rgba(255,255,255,0.2);
}
.disclaimer strong {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--font-heading);
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--color-text);
  color: var(--color-base);
  padding: 3rem 0 6rem;  /* SP固定CTA分の余白 */
}
.footer-inner {
  display: grid;
  gap: 1.5rem;
  text-align: center;
}
.footer-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 0.4rem;
}
.footer-tag {
  font-size: 0.85rem;
  color: rgba(255, 250, 239, 0.7);
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.2rem;
}
.footer-nav a {
  font-size: 0.85rem;
  color: rgba(255, 250, 239, 0.85);
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--color-accent); }
.footer-copy {
  font-size: 0.75rem;
  color: rgba(255, 250, 239, 0.5);
  line-height: 1.7;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 250, 239, 0.1);
}

/* ============================================================
   SP固定CTA
   ============================================================ */
.sp-fixed-cta {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  height: 52px;
  background: var(--color-accent);
  color: var(--color-text);
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 8px 24px rgba(31, 45, 61, 0.25);
  z-index: 150;
  transition: transform 0.3s;
}
.sp-fixed-cta:hover { transform: translateY(-2px); }

/* ============================================================
   タブレット以上（768px〜）
   ============================================================ */
@media (min-width: 768px) {
  .hero-inner {
    flex-direction: row;
    align-items: center;
    gap: 3rem;
  }
  .hero-text { flex: 1; }
  .hero-image { flex: 1; }
  .hero h1 { font-size: 2.4rem; }
  .hero-cta {
    flex-direction: row;
  }
  .hero-cta .btn { width: auto; }

  .section-title { font-size: 2rem; }
  .section { padding: 5rem 0; }

  .value-list,
  .feature-grid,
  .course-grid,
  .instructor-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .access-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .footer-inner {
    grid-template-columns: 1fr auto;
    text-align: left;
    align-items: start;
    gap: 2rem;
  }
  .footer-nav {
    justify-content: flex-end;
    grid-column: 1 / -1;
  }
  .footer-copy { grid-column: 1 / -1; }

  .contact-cta {
    flex-direction: row;
    max-width: none;
    justify-content: center;
  }
  .sp-only { display: none; }
}

/* ============================================================
   PC（1024px〜）
   ============================================================ */
@media (min-width: 1024px) {
  :root { --header-h: 72px; }

  .pc-nav { display: block; }
  .pc-nav ul {
    display: flex;
    gap: 1.6rem;
  }
  .pc-nav a {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
    position: relative;
  }
  .pc-nav a::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -4px;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform 0.3s;
  }
  .pc-nav a:hover::after { transform: scaleX(1); }

  .header-cta {
    display: inline-flex;
    align-items: center;
    height: 40px;
    padding: 0 1.2rem;
    background: var(--color-accent);
    color: var(--color-text);
    border-radius: var(--radius-pill);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    margin-left: 1rem;
    transition: transform 0.2s, background 0.2s;
  }
  .header-cta:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
  }

  .hamburger { display: none; }

  .hero h1 { font-size: 2.6rem; }
  .section-title { font-size: 2.2rem; }
  .section { padding: 6rem 0; }

  .value-list,
  .feature-grid,
  .course-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .sp-fixed-cta { display: none; }
  body { padding-bottom: 0; }
}

/* ============================================================
   アクセシビリティ：reduce-motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}