/* HONMAの英会話教室 — ベネッセBE studio 系の温かみ・波・オレンジトーン */
:root {
  --color-primary: #e9521c;
  --color-primary-soft: #ff7a45;
  --color-primary-dark: #c63f12;
  --color-sky: #5a9fd4;
  --color-sky-soft: #e8f2fa;
  --color-text: #222;
  --color-muted: #555;
  --color-bg: #fefbf7;
  --cream: #fff8f3;
  --peach: #ffefe6;
  /* CTA：パステル単色（グラデ・ネオン風なし） */
  --cta-surface: #f2c8bc;
  --cta-surface-hover: #e8b8ab;
  --cta-ink: #453d3a;
  --cta-band-bg: #e5d0c8;
  --cta-band-ink: #3a3431;
  --font-sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", YuGothic, "Yu Gothic", sans-serif;
  --max: 1080px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

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

a:hover {
  text-decoration: underline;
}

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 9999;
  padding: 0.5rem 1rem;
  background: #fff;
  outline: 2px solid var(--color-primary);
}

/* --- ヘッダー：BE studio 風 3段（上／中／カラー帯）下段のみ sticky --- */
.site-header {
  position: relative;
  z-index: 200;
  background: #fff;
}

.header-tier-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* 上段：ブランド＋オレンジCTA */
.header-tier--top {
  background: #fff;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.header-tier--top .header-tier-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
  flex-wrap: wrap;
}

.brand-block {
  display: flex;
  flex-direction: column;
  gap: 0.08rem;
}

.brand-name {
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.2s ease;
}

.brand-name:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.brand-caption {
  font-size: 0.68rem;
  color: var(--color-muted);
  letter-spacing: 0.14em;
}

/* 無料体験CTA：パステル単色 */
.header-cta-pill {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 8.5rem;
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  background: var(--cta-surface);
  color: var(--cta-ink) !important;
  text-decoration: none !important;
  font-weight: 800;
  border: 1px solid rgba(69, 61, 58, 0.12);
  transition: background 0.2s ease, opacity 0.2s ease;
}

.header-cta-pill:hover {
  background: var(--cta-surface-hover);
}

.header-cta-pill:focus-visible {
  outline: 3px solid var(--color-sky);
  outline-offset: 2px;
}

.header-cta-pill__lg {
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  line-height: 1.2;
}

.header-cta-pill__sm {
  font-size: 0.62rem;
  font-weight: 700;
  opacity: 0.88;
  letter-spacing: 0.04em;
}

/* 中段：アイコン付きメイン＋サブリンク */
.header-tier--middle {
  background: #fafafa;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-tier-inner--split {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  flex-wrap: wrap;
  padding-top: 0.45rem;
  padding-bottom: 0.45rem;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.15rem 0.35rem;
}

.main-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.65rem;
  color: var(--color-text);
  text-decoration: none !important;
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: 6px;
  position: relative;
  transition: color 0.2s ease, background 0.2s ease;
}

.main-nav__link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0.15rem;
  transform: translateX(-50%) scaleX(0);
  width: calc(100% - 1rem);
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.main-nav__link:hover {
  color: var(--color-primary);
  background: rgba(233, 82, 28, 0.06);
}

.main-nav__link:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.main-nav__link.is-active {
  color: var(--color-primary);
}

.main-nav__link.is-active::after {
  transform: translateX(-50%) scaleX(1);
}

.main-nav__icon {
  flex-shrink: 0;
  opacity: 0.85;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.main-nav__link:hover .main-nav__icon,
.main-nav__link.is-active .main-nav__icon {
  opacity: 1;
  transform: scale(1.08);
}

.header-sub {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  font-size: 0.72rem;
}

.header-sub a {
  color: var(--color-muted);
  text-decoration: none !important;
  padding: 0.2rem 0.15rem;
  transition: color 0.2s ease;
}

.header-sub a:hover {
  color: var(--color-primary);
}

.header-sub__sep {
  width: 1px;
  height: 11px;
  background: rgba(0, 0, 0, 0.12);
  margin: 0 0.15rem;
}

/* 下段：カラーカテゴリ帯 — スクロールで画面上部に張り付く */
.header-tier--cats {
  position: sticky;
  top: 0;
  z-index: 150;
  background: #faf8f6;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.header-cats-scroll {
  display: flex;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: 0.5rem;
  padding-top: 0.55rem;
  padding-bottom: 0.55rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.cat-pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.85rem 0.4rem 0.95rem;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 800;
  text-decoration: none !important;
  color: var(--cta-ink) !important;
  border: 1px solid rgba(69, 61, 58, 0.1);
  transition: opacity 0.2s ease, border-color 0.2s ease;
}

.cat-pill__chev {
  font-size: 0.95rem;
  font-weight: 700;
  opacity: 0.45;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.cat-pill:hover {
  opacity: 0.92;
  border-color: rgba(69, 61, 58, 0.18);
}

.cat-pill:hover .cat-pill__chev {
  opacity: 0.65;
  transform: translateX(2px);
}

.cat-pill:active {
  opacity: 1;
}

.cat-pill--purple {
  background: #e8e0f4;
}

.cat-pill--pink {
  background: #f8d4e4;
}

.cat-pill--orange {
  background: #f5d9c8;
}

.cat-pill--lime {
  background: #dae9d2;
}

.cat-pill--blue {
  background: #cfe8f4;
}

@media (max-width: 520px) {
  .header-cta-pill {
    min-width: auto;
    padding: 0.45rem 0.95rem;
  }

  .header-cta-pill__lg {
    font-size: 0.85rem;
  }

  .main-nav__link span {
    max-width: 9.5rem;
    line-height: 1.25;
  }
}

@media (prefers-reduced-motion: reduce) {
  .main-nav__link,
  .main-nav__link::after,
  .cat-pill,
  .cat-pill__chev {
    transition: none;
  }
}


.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.62rem 1.5rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 800;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease, opacity 0.2s ease;
}

.btn-primary {
  background: var(--cta-surface);
  color: var(--cta-ink);
  border: 1px solid rgba(69, 61, 58, 0.12);
}

.btn-primary:hover {
  background: var(--cta-surface-hover);
  color: var(--cta-ink);
  text-decoration: none;
}

.btn-outline-light {
  background: rgba(255, 255, 255, 0.94);
  color: var(--cta-ink);
  border: 2px solid rgba(255, 255, 255, 0.95);
}

.btn-outline-light:hover {
  background: #fff;
  text-decoration: none;
  color: var(--cta-ink);
  opacity: 0.92;
}

/* --- ヒーロー：ビューポート全画面に近い高さの写真 --- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}

.hero--page .hero-lead:last-child {
  margin-bottom: 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 1;
  z-index: 0;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 245, 238, 0.12) 0%, transparent 28%),
    linear-gradient(to top, rgba(35, 28, 24, 0.78) 0%, rgba(35, 28, 24, 0.25) 38%, transparent 68%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
  padding: 2.5rem 1.35rem max(3.25rem, env(safe-area-inset-bottom));
}

.hero-kicker {
  display: inline-block;
  margin: 0 0 0.65rem;
  padding: 0.2rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--cta-ink);
  background: var(--cta-surface);
  border-radius: 999px;
  border: 1px solid rgba(69, 61, 58, 0.1);
}

.hero h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.65rem, 4.2vw, 2.5rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
  max-width: 17em;
}

.hero-lead {
  margin: 0 0 1.65rem;
  max-width: 32rem;
  font-size: 1rem;
  line-height: 1.8;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.4);
  opacity: 0.98;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* 波セパレータ */
.wave-top {
  display: block;
  width: 100%;
  line-height: 0;
  color: var(--cream);
  margin-top: -1px;
}

.wave-top svg {
  display: block;
  width: 100%;
  height: 48px;
}

@media (min-width: 768px) {
  .wave-top svg {
    height: 64px;
  }
}

.section {
  padding: 3.25rem 1.35rem;
  position: relative;
}

.section--cream {
  background: var(--cream);
}

.section--dots {
  background-color: var(--cream);
  background-image: radial-gradient(rgba(233, 82, 28, 0.07) 1px, transparent 1px);
  background-size: 18px 18px;
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.section-label {
  margin: 0 0 0.4rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--color-primary);
}

.section-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.section-title::after {
  content: "";
  display: block;
  width: 3rem;
  height: 4px;
  margin-top: 0.65rem;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-sky));
}

.section-lead {
  margin: 0 0 2rem;
  color: var(--color-muted);
  max-width: 38rem;
  font-size: 0.98rem;
}

/* 特長：枠なしリスト＋左アクセント */
.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

@media (min-width: 720px) {
  .feature-list {
    grid-template-columns: 1fr 1fr;
  }
}

.feature-list li {
  margin: 0;
  padding: 1.35rem 0 1.35rem 1.15rem;
  border-left: 4px solid var(--color-primary);
  border-bottom: 1px dashed rgba(233, 82, 28, 0.25);
}

@media (min-width: 720px) {
  .feature-list li:nth-child(odd) {
    padding-right: 1.5rem;
  }

  .feature-list li:nth-child(even) {
    border-left: none;
    padding-left: 1.5rem;
    border-left: 4px solid var(--color-sky);
  }
}

.feature-list strong {
  display: block;
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 0.35rem;
}

.feature-list span {
  font-size: 0.92rem;
  color: var(--color-muted);
}

.grid-2 {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 800px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

/* 写真：角丸だけ・影・枠なし */
.media-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 2.5rem 0.75rem 2rem 1.25rem;
}

/* テキストブロック（カード風の箱なし） */
.topic-block + .topic-block {
  margin-top: 2.25rem;
}

.topic-block h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-text);
  padding-bottom: 0.35rem;
  border-bottom: 2px solid var(--peach);
  display: inline-block;
  min-width: min(100%, 12rem);
}

.topic-block p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.96rem;
}

.topic-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 640px) {
  .topic-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem 3rem;
  }
}

.site-footer {
  background: linear-gradient(165deg, #2a3540 0%, #1a2228 100%);
  color: rgba(255, 255, 255, 0.88);
  padding: 2.75rem 1.35rem;
  margin-top: 0;
  border-top: 4px solid var(--color-primary);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-inner a {
  color: rgba(255, 255, 255, 0.9);
}

.footer-copy {
  font-size: 0.78rem;
  opacity: 0.65;
}

/* 本文ブロック内の単独画像（各ページ1枚用） */
.content-visual {
  margin: 0 auto 2.5rem;
  max-width: 52rem;
}

.content-visual .media-photo {
  display: block;
}

.prose {
  max-width: 42rem;
}

.prose h2 {
  margin: 2rem 0 0.65rem;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-text);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p {
  margin: 0 0 1rem;
  color: var(--color-text);
}

.prose ul {
  margin: 0 0 1rem;
  padding-left: 1.1rem;
  color: var(--color-muted);
}

.prose li {
  margin-bottom: 0.35rem;
}

.map-wrap {
  overflow: hidden;
  border-radius: 1.75rem 0.45rem 1.55rem 0.7rem;
}

.map-wrap iframe {
  width: 100%;
  height: 400px;
  border: 0;
  display: block;
}

.info-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
}

.info-list li {
  padding: 0.85rem 0;
  border-bottom: 1px dotted rgba(0, 0, 0, 0.15);
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  list-style: none;
}

.info-term {
  font-weight: 800;
  min-width: 6.5rem;
  margin: 0;
  color: var(--color-primary-dark);
}

.info-desc {
  margin: 0;
  flex: 1;
  color: var(--color-muted);
}

.cta-band {
  background: var(--cta-band-bg);
  color: var(--cta-band-ink);
  padding: 2.5rem 1.35rem;
  text-align: center;
  position: relative;
}

.cta-band-inner {
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
}

.cta-band p {
  margin: 0 0 1.1rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.cta-band .btn {
  background: #fff;
  color: var(--cta-ink);
  border: 1px solid rgba(69, 61, 58, 0.12);
}

.cta-band .btn:hover {
  background: #faf6f4;
  text-decoration: none;
}

.lesson-row {
  display: grid;
  gap: 1.75rem;
}

@media (min-width: 700px) {
  .lesson-row {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.lesson-item h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  font-weight: 800;
}

.lesson-item h3::before {
  content: "";
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-primary);
  border-radius: 50%;
  margin-right: 0.5rem;
  vertical-align: middle;
}

.lesson-item p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.96rem;
}