/* ============================================================
   リセット & ベース
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green-50:  #f0fdf4;
  --green-100: #dcfce7;
  --green-200: #bbf7d0;
  --green-400: #4ade80;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --green-700: #15803d;
  --green-800: #166534;
  --green-900: #14532d;

  --blue-600: #2563eb;

  --gray-50:  #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  --yellow-400: #facc15;
  --yellow-500: #eab308;

  --red-500: #ef4444;
  --red-600: #dc2626;

  --white: #ffffff;

  --font-sans: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', sans-serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);

  --transition-fast: 120ms ease-out;
  --transition-base: 200ms ease-out;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--white);
  -webkit-font-smoothing: auto;
}

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

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

ul { list-style: none; }

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

:focus-visible { outline: 2px solid var(--green-600); outline-offset: 2px; }

/* ============================================================
   コンテナ
============================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   ボタン
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 24px;
  height: 44px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }

.btn--primary {
  background: var(--green-600);
  color: var(--white);
  border: 2px solid var(--green-600);
}
.btn--primary:hover { background: var(--green-700); border-color: var(--green-700); }
.btn--primary:active { background: var(--green-800); }

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}
.btn--outline:hover { background: rgba(255,255,255,.15); }

.btn--lg { height: 52px; font-size: 1.0625rem; padding: 0 32px; }
.btn--full { width: 100%; }

/* ============================================================
   ヘッダー
============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-icon { width: 36px; height: 36px; flex-shrink: 0; }
.logo-text {
  font-size: .875rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--gray-900);
}
.logo-text small { font-size: .75rem; font-weight: 400; color: var(--gray-600); }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav a {
  display: block;
  padding: 8px 12px;
  font-size: .9375rem;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.main-nav a:hover { color: var(--green-700); background: var(--green-50); text-decoration: none; }

.nav-cta {
  background: var(--green-600) !important;
  color: var(--white) !important;
  padding: 8px 16px !important;
  border-radius: var(--radius-md) !important;
}
.nav-cta:hover { background: var(--green-700) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.mobile-nav {
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  padding: 16px 24px;
}
.mobile-nav ul { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav a {
  display: block;
  padding: 12px 16px;
  font-size: 1rem;
  color: var(--gray-700);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
}

/* ============================================================
   ヒーロー
============================================================ */
.hero {
  position: relative;
  min-height: clamp(560px, 80vh, 800px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--green-800) 0%, var(--green-600) 60%, var(--green-500) 100%);
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }

.hero-field {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 40%;
  background: var(--green-700);
  opacity: .4;
  clip-path: ellipse(100% 100% at 50% 100%);
}

.hero-circle {
  position: absolute;
  border-radius: 50%;
  opacity: .08;
  background: var(--white);
}
.hero-circle--1 { width: 600px; height: 600px; top: -200px; right: -100px; }
.hero-circle--2 { width: 300px; height: 300px; bottom: -100px; left: 10%; }
.hero-circle--3 { width: 150px; height: 150px; top: 20%; left: 30%; }

.hero-ball {
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(180px, 25vw, 320px);
  height: clamp(180px, 25vw, 320px);
  filter: drop-shadow(0 20px 40px rgba(0,0,0,.3));
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(-50%) translateY(0); }
  50% { transform: translateY(-50%) translateY(-16px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  padding-top: 48px;
  padding-bottom: 64px;
}

.hero-badge {
  display: inline-block;
  background: var(--yellow-400);
  color: var(--gray-900);
  font-size: .875rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
  letter-spacing: .03em;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 20px;
}
.hero-title-accent {
  color: var(--yellow-400);
  font-size: clamp(2.5rem, 6vw, 3.75rem);
}

.hero-desc {
  font-size: 1.0625rem;
  color: rgba(255,255,255,.9);
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hero-stat-num {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.hero-stat-num small { font-size: 1rem; }
.hero-stat-label {
  font-size: .8125rem;
  color: rgba(255,255,255,.75);
}

/* ============================================================
   おすすめポイント
============================================================ */
.points { padding: 48px 0; background: var(--green-50); }

.points-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.point-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.point-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.point-icon { font-size: 2.25rem; margin-bottom: 12px; }

.point-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}
.point-card p { font-size: .9375rem; color: var(--gray-600); line-height: 1.6; }

/* ============================================================
   セクション共通
============================================================ */
.section { padding: 80px 0; }
.section--alt { background: var(--gray-50); }
.section--green {
  background: linear-gradient(135deg, var(--green-800), var(--green-600));
  color: var(--white);
}

.section-header { text-align: center; margin-bottom: 48px; }
.section-label {
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--green-600);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}
.section-desc { font-size: 1.0625rem; color: var(--gray-500); }

.section-header--white .section-label { color: rgba(255,255,255,.8); }
.section-header--white .section-title { color: var(--white); }
.section-header--white .section-desc { color: rgba(255,255,255,.8); }

/* ============================================================
   スクール紹介
============================================================ */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-field-art {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--green-700);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.field-grass { position: absolute; inset: 0; background: var(--green-600); }

.field-line {
  position: absolute;
  background: rgba(255,255,255,.4);
}
.field-center {
  top: 0; bottom: 0;
  left: 50%; width: 2px;
  transform: translateX(-50%);
}

.field-circle {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 30%; aspect-ratio: 1;
  border: 2px solid rgba(255,255,255,.4);
  border-radius: 50%;
}

.field-goal {
  position: absolute;
  top: 35%; bottom: 35%;
  width: 6%;
  border: 2px solid rgba(255,255,255,.6);
  background: rgba(255,255,255,.1);
}
.field-goal--left { left: 0; border-left: none; }
.field-goal--right { right: 0; border-right: none; }

.field-players { position: absolute; inset: 0; }

.player {
  position: absolute;
  width: 16px; height: 16px;
  background: var(--yellow-400);
  border-radius: 50%;
  border: 2px solid var(--white);
  animation: bounce-player 2s ease-in-out infinite;
}
.player--1 { top: 30%; left: 20%; animation-delay: 0s; }
.player--2 { top: 55%; left: 35%; animation-delay: .4s; }
.player--3 { top: 40%; left: 55%; animation-delay: .8s; }
.player--4 { top: 25%; left: 70%; animation-delay: .2s; }
.player--5 { top: 65%; left: 75%; animation-delay: .6s; }

@keyframes bounce-player {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.about-text h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
}
.about-text p {
  color: var(--gray-700);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 24px; }
.tag {
  display: inline-block;
  background: var(--green-100);
  color: var(--green-800);
  font-size: .875rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

/* ============================================================
   クラス・料金
============================================================ */
.class-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.class-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.class-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.class-card--popular {
  border: 2px solid var(--green-500);
  box-shadow: 0 0 0 4px rgba(34,197,94,.1), var(--shadow-md);
}

.class-badge {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--yellow-400);
  color: var(--gray-900);
  font-size: .8125rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  z-index: 1;
}

.class-card-header {
  padding: 28px 24px 20px;
  color: var(--white);
}
.class-card-header--kinder { background: linear-gradient(135deg, #0ea5e9, #2563eb); }
.class-card-header--junior { background: linear-gradient(135deg, var(--green-600), var(--green-500)); }
.class-card-header--advance { background: linear-gradient(135deg, #7c3aed, #a855f7); }

.class-age {
  display: inline-block;
  font-size: .8125rem;
  font-weight: 600;
  background: rgba(255,255,255,.25);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 8px;
}
.class-name { font-size: 1.375rem; font-weight: 700; }

.class-card-body { padding: 24px; }

.class-desc { font-size: .9375rem; color: var(--gray-600); margin-bottom: 16px; line-height: 1.6; }

.class-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.class-features li {
  font-size: .9375rem;
  color: var(--gray-700);
  padding-left: 20px;
  position: relative;
}
.class-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green-600);
  font-weight: 700;
}

.class-schedule {
  font-size: .875rem;
  color: var(--gray-600);
  background: var(--gray-50);
  padding: 10px 12px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.class-fee {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-200);
}
.fee-label { font-size: .875rem; color: var(--gray-500); }
.fee-amount { font-size: 1.75rem; font-weight: 700; color: var(--green-700); }
.fee-tax { font-size: .8125rem; color: var(--gray-500); }

/* 料金テーブル */
.fee-table-wrap {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.fee-table-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 20px;
}

.fee-table {
  width: 100%;
  border-collapse: collapse;
}
.fee-table th {
  background: var(--gray-50);
  font-size: .9375rem;
  font-weight: 600;
  color: var(--gray-700);
  padding: 12px 16px;
  text-align: left;
  border-bottom: 2px solid var(--gray-200);
}
.fee-table td {
  padding: 14px 16px;
  font-size: .9375rem;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
}
.fee-table tr:last-child td { border-bottom: none; }
.fee-table tr:hover td { background: var(--green-50); }

/* ============================================================
   コーチ紹介
============================================================ */
.coaches-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.coach-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}
.coach-card:hover { box-shadow: var(--shadow-lg); }

.coach-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  margin: 0 auto 16px;
  overflow: hidden;
}

.coach-name { font-size: 1.125rem; font-weight: 700; color: var(--gray-900); margin-bottom: 4px; }
.coach-role { font-size: .9375rem; color: var(--green-600); font-weight: 600; margin-bottom: 12px; }

.coach-badges {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}
.coach-badges li {
  display: inline-block;
  font-size: .8125rem;
  background: var(--green-100);
  color: var(--green-800);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.coach-bio { font-size: .9375rem; color: var(--gray-600); line-height: 1.7; text-align: left; }

/* ============================================================
   スケジュール
============================================================ */
.schedule-table-wrap { overflow-x: auto; }

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.schedule-table th {
  background: var(--green-700);
  color: var(--white);
  font-size: .9375rem;
  font-weight: 600;
  padding: 14px 20px;
  text-align: center;
}
.schedule-table td {
  padding: 14px 20px;
  font-size: .9375rem;
  text-align: center;
  border-bottom: 1px solid var(--gray-100);
}
.schedule-table tr:last-child td { border-bottom: none; }

.time-cell {
  text-align: left !important;
  font-weight: 600;
  color: var(--gray-700);
  white-space: nowrap;
}
.no-class { color: var(--gray-400); }

.schedule-class {
  display: inline-block;
  font-size: .875rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}
.schedule-class--kinder { background: #dbeafe; color: var(--blue-600); }
.schedule-class--junior { background: var(--green-100); color: var(--green-700); }
.schedule-class--advance { background: #ede9fe; color: #7c3aed; }
.schedule-class--event { background: #fef9c3; color: var(--yellow-500); }

.schedule-notes {
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--yellow-400);
  background: linear-gradient(90deg, #fef9c3, #fef3c7);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--yellow-500);
}
.schedule-notes p { font-size: .9375rem; color: var(--gray-700); line-height: 1.7; }

/* ============================================================
   カレンダー
============================================================ */
.calendar-legend {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.legend-item { display: flex; align-items: center; gap: 8px; font-size: .9375rem; color: var(--gray-600); }
.legend-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}
.legend-dot--open { background: var(--green-500); }
.legend-dot--event { background: var(--yellow-500); }
.legend-dot--closed { background: var(--gray-300); }

.calendar-wrap {
  max-width: 600px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--green-700);
  padding: 16px 20px;
}
.cal-month-label { font-size: 1.125rem; font-weight: 700; color: var(--white); }
.cal-prev, .cal-next {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.2);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: 1.25rem;
  transition: background var(--transition-fast);
}
.cal-prev:hover, .cal-next:hover { background: rgba(255,255,255,.35); }

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  padding: 16px;
  gap: 4px;
}

.cal-dow {
  text-align: center;
  font-size: .8125rem;
  font-weight: 700;
  color: var(--gray-500);
  padding: 8px 0;
}

.cal-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9375rem;
  border-radius: var(--radius-sm);
  position: relative;
  cursor: default;
}
.cal-day--today { font-weight: 700; }
.cal-day--today::after {
  content: '';
  position: absolute;
  bottom: 3px; left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 4px;
  background: var(--green-600);
  border-radius: 50%;
}
.cal-day--open { background: var(--green-100); color: var(--green-800); font-weight: 600; }
.cal-day--event { background: #fef9c3; color: var(--yellow-500); font-weight: 600; }
.cal-day--closed { color: var(--gray-400); }
.cal-day--other-month { color: var(--gray-300); }
.cal-day--sun { color: var(--red-500); }
.cal-day--sat { color: var(--blue-600); }

/* ============================================================
   声の紹介
============================================================ */
.voices-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.voice-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  position: relative;
  border-left: 4px solid var(--green-500);
}
.voice-card::before {
  content: '"';
  position: absolute;
  top: 16px; left: 20px;
  font-size: 3rem;
  color: var(--green-200);
  line-height: 1;
  font-family: Georgia, serif;
}
.voice-card p {
  font-size: .9375rem;
  color: var(--gray-700);
  line-height: 1.8;
  padding-top: 24px;
  margin-bottom: 16px;
}
.voice-card footer { font-size: .875rem; color: var(--green-700); font-weight: 600; }

/* ============================================================
   よくある質問
============================================================ */
.faq-list {
  max-width: 768px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}
.faq-item[open] { box-shadow: var(--shadow-md); }

.faq-item summary {
  padding: 18px 24px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-800);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  list-style: none;
  transition: background var(--transition-fast);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: 'Q';
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  background: var(--green-600);
  color: var(--white);
  font-weight: 700;
  font-size: .875rem;
  border-radius: var(--radius-sm);
}
.faq-item summary::after {
  content: '+';
  margin-left: auto;
  font-size: 1.25rem;
  color: var(--green-600);
  transition: transform var(--transition-base);
  line-height: 1;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { background: var(--green-50); }

.faq-answer {
  padding: 0 24px 20px 64px;
  font-size: .9375rem;
  color: var(--gray-600);
  line-height: 1.8;
}

/* ============================================================
   申し込みフォーム
============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.contact-info-icon { font-size: 1.5rem; flex-shrink: 0; margin-top: 2px; }
.contact-info-label { font-size: .875rem; color: rgba(255,255,255,.7); margin-bottom: 4px; }
.contact-info-sub { font-size: .8125rem; color: rgba(255,255,255,.6); margin-top: 4px; }
.contact-phone { font-size: 1.375rem; font-weight: 700; color: var(--white); }
.contact-phone:hover { text-decoration: underline; }

/* フォーム */
.contact-form {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: 0 20px 40px rgba(0,0,0,.15);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 0;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}
.form-group:last-child { margin-bottom: 0; }

.form-group label {
  font-size: .9375rem;
  font-weight: 600;
  color: var(--gray-700);
}
.required { color: var(--red-500); margin-left: 2px; }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--gray-800);
  background: var(--white);
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}
.form-group textarea { height: auto; padding: 12px 14px; resize: vertical; }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(34,197,94,.2);
  outline: none;
}
.form-group input.invalid,
.form-group select.invalid,
.form-group textarea.invalid { border-color: var(--red-500); }

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.field-error { font-size: .8125rem; color: var(--red-500); min-height: 1.2em; }

.form-group--checkbox { flex-direction: row; align-items: center; gap: 8px; flex-wrap: wrap; }
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: .9375rem;
  color: var(--gray-700);
  font-weight: 400;
}
.checkbox-label input[type="checkbox"] {
  width: 18px; height: 18px;
  padding: 0;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.link { color: var(--green-700); text-decoration: underline; }

.form-success {
  text-align: center;
  padding: 64px 24px;
  color: var(--white);
}
.success-icon { font-size: 3rem; margin-bottom: 16px; }
.form-success h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 12px; }
.form-success p { font-size: 1rem; opacity: .85; }

/* ============================================================
   フッター
============================================================ */
.site-footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding-top: 48px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  padding-bottom: 48px;
}

.logo--white .logo-text { color: var(--white); }
.logo--white .logo-text small { color: var(--gray-400); }

.footer-desc {
  margin-top: 16px;
  font-size: .9375rem;
  color: var(--gray-500);
  line-height: 1.7;
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-nav a {
  font-size: .9375rem;
  color: var(--gray-400);
  transition: color var(--transition-fast);
}
.footer-nav a:hover { color: var(--white); text-decoration: none; }

.footer-bottom {
  padding: 20px 24px;
  border-top: 1px solid var(--gray-800);
  text-align: center;
  font-size: .875rem;
  color: var(--gray-600);
}

/* ============================================================
   ユーティリティ
============================================================ */
.pc-only { display: inline; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   レスポンシブ（タブレット以下）
============================================================ */
@media (max-width: 1024px) {
  .points-grid { grid-template-columns: repeat(2, 1fr); }
  .class-grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
  .coaches-grid { grid-template-columns: repeat(2, 1fr); }
  .voices-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .about-layout { grid-template-columns: 1fr; gap: 40px; }
  .contact-layout { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 32px; }
}

/* ============================================================
   レスポンシブ（スマホ）
============================================================ */
@media (max-width: 768px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .pc-only { display: none; }

  .hero-ball { display: none; }
  .hero-content { max-width: 100%; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .points-grid { grid-template-columns: 1fr; }
  .coaches-grid { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px 20px; }

  .section { padding: 56px 0; }

  .faq-answer { padding-left: 24px; }
}
