/* ==============================
   CSS Variables
============================== */
:root {
  --color-primary: #5db8c8;
  --color-primary-dark: #3a9aae;
  --color-primary-light: #e8f6f9;
  --color-secondary: #f5f0eb;
  --color-accent: #2a5a6e;
  --color-cta: #e07630;
  --color-cta-hover: #c8621e;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-border: #dde8ec;
  --color-bg: #ffffff;
  --color-bg-light: #f7fbfd;
  --font-base: 'Noto Sans JP', 'Hiragino Sans', sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-card: 0 4px 20px rgba(0,0,0,0.10);
  --transition: 0.25s ease;
}

/* ==============================
   Reset & Base
============================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 70px;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ==============================
   Utility
============================== */
.container { width: 100%; max-width: 720px; margin: 0 auto; padding: 0 20px; }
.section { padding: 64px 0; }
.section--bg { background: var(--color-bg-light); }
.section--secondary { background: var(--color-secondary); }
.section--comparison { background: #eef8fb; }
.section--voice { background: #fdf8f4; }
.section--pricing { background: var(--color-bg-light); }

.section-label {
  display: inline-block;
  font-size: 11px; font-weight: 700; letter-spacing: 0.12em;
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  padding: 4px 12px; border-radius: 20px; margin-bottom: 12px;
}
.section-title {
  font-size: clamp(24px, 6vw, 36px);
  font-weight: 700; color: var(--color-accent);
  line-height: 1.35; margin-bottom: 16px;
}
.section-title span { color: var(--color-primary-dark); }
.section-lead {
  font-size: 15px; color: var(--color-text-light);
  margin-bottom: 32px; line-height: 1.8;
}

/* CTA Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 16px 28px; border-radius: 50px;
  font-size: 16px; font-weight: 700; cursor: pointer; border: none;
  transition: var(--transition); text-align: center;
  width: 100%; max-width: 360px; letter-spacing: 0.02em;
}
.btn--primary {
  background: var(--color-cta); color: #fff;
  box-shadow: 0 4px 16px rgba(224,118,48,0.35);
}
.btn--primary:hover { background: var(--color-cta-hover); transform: translateY(-2px); }
.btn--line {
  background: #06c755; color: #fff;
  box-shadow: 0 4px 16px rgba(6,199,85,0.3);
}
.btn--line:hover { background: #05b34c; transform: translateY(-2px); }
.btn--line-sub {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.6);
  color: rgba(255,255,255,0.9);
  box-shadow: none;
  font-size: 14px;
  padding: 12px 24px;
}
.btn--line-sub:hover { background: rgba(255,255,255,0.1); transform: none; }

.cta-block {
  display: flex; flex-direction: column;
  align-items: center; gap: 12px; margin-top: 32px;
}
.cta-note { font-size: 12px; color: var(--color-text-light); text-align: center; margin-top: 4px; }

/* ==============================
   Header
============================== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 1px 6px rgba(0,0,0,0.05);
  transition: box-shadow 0.2s;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  max-width: 1120px; margin: 0 auto; padding: 8px 20px;
  min-height: 60px;
}
.site-logo {
  display: block; flex-shrink: 0;
  width: 240px; height: 46px;
  overflow: hidden; position: relative;
}
.site-logo img {
  display: block; width: 240px; height: auto;
  position: absolute; top: 50%; left: 0;
  transform: translateY(-50%) scale(1.0);
}
.header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.header-actions .btn { padding: 10px 18px; font-size: 13px; max-width: none; width: auto; }

@media (max-width: 679px) {
  .header-inner { padding: 8px 16px; min-height: 54px; }
  .site-logo { width: 175px; height: 40px; }
  .site-logo img { width: 175px; }
  .header-actions { display: none; }
}

/* ==============================
   Hero
============================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: 60px;
  overflow: hidden;
  background-image: url("images/instructor-hero-sp.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
  background-color: #1e3d4f;
}
.hero__photo { display: none; }
.hero__overlay {
  display: block;
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(180deg, rgba(5,35,48,0.08) 0%, rgba(5,35,48,0.32) 45%, rgba(5,35,48,0.88) 100%),
    linear-gradient(90deg, rgba(5,35,48,0.68) 0%, rgba(5,35,48,0.32) 50%, rgba(5,35,48,0.05) 100%);
}
.hero__content {
  background: none;
  padding: 24px 20px 36px;
  position: relative; z-index: 2;
  width: 100%;
}
.hero__badges { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.hero__badge {
  font-size: 11px; font-weight: 700;
  background: rgba(255,255,255,0.88);
  border: 1px solid rgba(255,255,255,0.6);
  color: #0c3d52;
  padding: 4px 10px; border-radius: 20px;
}
.hero__badge--highlight {
  background: var(--color-cta);
  border-color: var(--color-cta);
  color: #fff;
  font-size: 12px;
}
.hero__eyebrow { font-size: 12px; color: rgba(255,255,255,0.75); font-weight: 500; margin-bottom: 6px; }
.hero__title {
  font-size: clamp(22px, 6.5vw, 34px); font-weight: 900; color: #fff;
  line-height: 1.3; margin-bottom: 10px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.4);
}
.hero__title--small {
  font-size: clamp(13px, 3.5vw, 16px); font-weight: 700;
  display: block; margin-bottom: 4px; opacity: 0.9;
}

/* 差別化サブコピー */
.hero__diff {
  font-size: 12px; color: rgba(255,255,255,0.88);
  line-height: 1.75; margin-bottom: 14px;
  text-shadow: 0 1px 6px rgba(0,0,0,0.3);
}

/* 情報バッジ群（旧 trial-badge） */
.hero__info-badges {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 18px;
}
.hero__info-badge {
  display: inline-flex; align-items: center;
  font-size: 11px; font-weight: 700;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.5);
  color: #fff;
  padding: 5px 10px; border-radius: 20px;
  letter-spacing: 0.02em;
}
.hero__info-badge--cta {
  background: var(--color-cta);
  border-color: var(--color-cta);
  font-size: 12px;
}

.hero__sub {
  font-size: 13px; color: rgba(255,255,255,0.85);
  line-height: 1.85; margin-bottom: 22px;
  text-shadow: 0 1px 6px rgba(0,0,0,0.3);
}
.hero__cta { display: flex; flex-direction: column; gap: 12px; }
.hero .cta-note { color: rgba(255,255,255,0.65); }

@media (max-width: 679px) {
  .hero__content {
    margin-bottom: 40px;
  }
}

@media (min-width: 680px) {
  .hero {
    justify-content: center;
    background-image: url("images/instructor-hero.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 58% center;
    padding-top: 0;
  }
  .hero__overlay {
    background: linear-gradient(90deg, rgba(5,35,48,0.80) 0%, rgba(5,35,48,0.58) 40%, rgba(5,35,48,0.15) 100%);
  }
  .hero__content {
    max-width: 520px; width: 54%;
    padding: 0 0 0 48px;
  }
  .hero__badge {
    background: rgba(255,255,255,0.16);
    border-color: rgba(255,255,255,0.38);
    color: #fff;
  }
  .hero__badge--highlight {
    background: var(--color-cta);
    border-color: var(--color-cta);
    color: #fff;
  }
  .hero__title { font-size: clamp(28px, 3.2vw, 42px); }
  .hero__diff { font-size: 13px; }
  .hero .btn { max-width: 340px; }
}

/* ==============================
   Checklist
============================== */
.checklist { display: grid; gap: 10px; margin-bottom: 28px; }
.checklist__item {
  display: flex; align-items: flex-start; gap: 10px;
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); padding: 12px 16px; font-size: 14px;
  box-shadow: var(--shadow); line-height: 1.75;
}
.checklist__icon {
  flex-shrink: 0; width: 22px; height: 22px;
  background: var(--color-primary); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; margin-top: 1px;
}
.checklist__icon svg { width: 11px; height: 11px; stroke: #fff; stroke-width: 2.5; fill: none; }
.pain-closing {
  background: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px; font-size: 14px; line-height: 1.85; color: var(--color-accent);
}

/* ==============================
   Diff Quotes
============================== */
.diff-quotes { display: grid; gap: 8px; margin: 20px 0; }
.diff-quote {
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); padding: 12px 16px 12px 20px;
  font-size: 14px; color: var(--color-text-light); position: relative;
}
.diff-quote::before {
  content: '"'; position: absolute; left: 10px; top: 10px;
  color: var(--color-primary); font-size: 20px; line-height: 1; font-weight: 700;
}

/* ==============================
   Feature Cards
============================== */
.card-grid { display: grid; gap: 16px; }
.feature-card {
  background: #fff; border-radius: var(--radius); padding: 24px 20px;
  box-shadow: var(--shadow-card); border: 1px solid var(--color-border);
  position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
}
.feature-card__num { font-size: 11px; font-weight: 700; color: var(--color-primary-dark); letter-spacing: 0.1em; margin-bottom: 8px; }
.feature-card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: var(--color-primary-light); border-radius: 50%;
  margin-bottom: 8px; flex-shrink: 0;
}
.feature-card__icon svg { width: 18px; height: 18px; stroke: var(--color-primary-dark); }
.feature-card__title {
  font-size: 17px; font-weight: 700; color: var(--color-accent); margin-bottom: 10px; line-height: 1.4;
  display: flex; align-items: flex-start; gap: 10px;
}
.feature-card__body { font-size: 14px; color: var(--color-text-light); line-height: 1.8; }

/* ==============================
   Comparison Table
============================== */
.comparison-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}
.comparison-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  background: #fff;
  font-size: 13px;
}
.comparison-table thead tr {
  background: var(--color-accent);
}
.comparison-table th {
  padding: 14px 12px;
  text-align: center;
  font-size: 12px; font-weight: 700;
  color: rgba(255,255,255,0.85);
  line-height: 1.4;
  border: none;
}
.comparison-table th.ct-label {
  width: 80px;
  color: rgba(255,255,255,0.6);
}
.comparison-table th.ct-ours {
  background: var(--color-cta);
  color: #fff;
  position: relative;
}
.ct-ours__badge {
  display: inline-block;
  background: #fff; color: var(--color-cta);
  font-size: 10px; font-weight: 700;
  padding: 2px 8px; border-radius: 20px;
  margin-bottom: 4px;
}
.comparison-table tbody tr {
  border-bottom: 1px solid var(--color-border);
}
.comparison-table tbody tr:last-child {
  border-bottom: none;
}
.comparison-table tbody tr:nth-child(even) td:not(.ct-ours):not(.ct-label) {
  background: #fafafa;
}
.comparison-table td {
  padding: 12px 10px;
  text-align: center;
  color: var(--color-text-light);
  line-height: 1.5;
  vertical-align: middle;
}
.comparison-table td.ct-label {
  font-size: 11px; font-weight: 700;
  color: var(--color-accent);
  background: var(--color-primary-light);
  text-align: left;
  padding-left: 14px;
}
.comparison-table td.ct-ours {
  background: #fff8f4;
  color: var(--color-text);
  font-size: 12px;
  border-left: 2px solid var(--color-cta);
  border-right: 2px solid var(--color-cta);
}
.comparison-table td.ct-ours strong {
  color: var(--color-accent);
}
.comparison-table tbody tr:last-child td.ct-ours {
  border-bottom: 2px solid var(--color-cta);
}

/* ==============================
   Voice / Testimonials
============================== */
.voice-cards { display: grid; gap: 20px; }
.voice-card {
  background: #fff; border-radius: var(--radius); padding: 24px 20px;
  box-shadow: var(--shadow-card); border: 1px solid var(--color-border);
}
.voice-card__avatar {
  display: flex; justify-content: center; margin-bottom: 12px;
}
.image-placeholder--avatar {
  width: 72px !important; height: 72px !important; min-height: 72px !important;
  border-radius: 50% !important;
  background: var(--color-primary-light);
  border: 2px dashed #9fd0dc;
  display: flex; align-items: center; justify-content: center;
  padding: 0 !important; gap: 0;
}
.image-placeholder--avatar svg {
  width: 36px; height: 36px; stroke: var(--color-primary-dark);
}
.voice-card__attr {
  font-size: 13px; font-weight: 700; color: var(--color-accent);
  text-align: center; margin-bottom: 14px;
  padding-bottom: 12px; border-bottom: 1px solid var(--color-border);
}
.voice-card__block {
  padding: 12px 14px; border-radius: var(--radius-sm);
  margin-bottom: 8px; font-size: 13px; line-height: 1.8;
}
.voice-card__block--before {
  background: #f5f5f5;
}
.voice-card__block--after {
  background: var(--color-primary-light);
}
.voice-card__label {
  display: inline-block;
  font-size: 10px; font-weight: 700; letter-spacing: 0.08em;
  padding: 2px 8px; border-radius: 20px;
  margin-bottom: 6px;
}
.voice-card__block--before .voice-card__label {
  background: #ddd; color: #555;
}
.voice-card__block--after .voice-card__label {
  background: var(--color-primary); color: #fff;
}
.voice-card__block p { color: var(--color-text-light); }

/* ==============================
   Target Cards
============================== */
.target-card {
  background: #fff; border-radius: var(--radius); padding: 20px;
  box-shadow: var(--shadow); border: 1px solid var(--color-border);
}
.target-card__title {
  font-size: 15px; font-weight: 700; color: var(--color-accent);
  padding-bottom: 10px; margin-bottom: 12px;
  border-bottom: 2px solid var(--color-primary-light);
  display: flex; align-items: center; gap: 8px;
}
.target-card__icon {
  width: 30px; height: 30px; min-width: 30px;
  background: var(--color-primary-light);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.target-card__icon svg {
  width: 15px; height: 15px; stroke: var(--color-primary-dark);
}
.target-list { display: grid; gap: 5px; }
.target-list__item {
  font-size: 13px; color: var(--color-text-light);
  display: flex; align-items: flex-start; gap: 4px; line-height: 1.6;
}
.target-list__item::before { content: '・'; color: var(--color-primary); flex-shrink: 0; }

/* ==============================
   Steps (Lesson)
============================== */
.steps { display: grid; gap: 0; }
.step { display: flex; gap: 16px; position: relative; }
.step:not(:last-child)::after {
  content: ''; position: absolute; left: 19px; top: 44px; bottom: 0;
  width: 2px; background: var(--color-border);
}
.step__num {
  flex-shrink: 0; width: 40px; height: 40px;
  background: var(--color-primary); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 13px; font-weight: 700; position: relative; z-index: 1;
}
.step__content { padding-bottom: 28px; flex: 1; }
.step__label { font-size: 10px; font-weight: 700; color: var(--color-primary-dark); letter-spacing: 0.1em; text-transform: uppercase; }
.step__title { font-size: 16px; font-weight: 700; color: var(--color-accent); margin: 2px 0 6px; }
.step__body { font-size: 14px; color: var(--color-text-light); line-height: 1.78; }

/* ==============================
   Free Trial
============================== */
.trial-quotes { display: grid; gap: 8px; margin-bottom: 20px; }
.trial-quote {
  background: #fff; border-radius: var(--radius-sm); padding: 10px 14px;
  font-size: 14px; color: var(--color-text-light); border-left: 3px solid var(--color-primary);
}
.trial-list {
  background: #fff; border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow); margin-bottom: 20px;
}
.trial-list__title { font-size: 13px; font-weight: 700; color: var(--color-accent); margin-bottom: 12px; }
.trial-list__item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0; font-size: 14px;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.75;
}
.trial-list__item:last-child { border-bottom: none; }
.trial-list__icon { color: var(--color-primary); font-size: 16px; flex-shrink: 0; }

/* ==============================
   Pricing
============================== */
.price-cards { display: grid; gap: 16px; }
.price-cards--main { margin-bottom: 16px; }
.price-card {
  background: #fff; border-radius: var(--radius); padding: 24px 20px;
  box-shadow: var(--shadow-card); border: 1px solid var(--color-border);
}
.price-card--featured {
  border-color: var(--color-cta);
  background: linear-gradient(135deg, #fff 0%, #fff5ee 100%);
  position: relative;
}
.price-card--free {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, #fff 0%, var(--color-primary-light) 100%);
  display: flex; flex-direction: column; align-items: flex-start;
}
.price-card__badge {
  position: absolute; top: -1px; right: 16px;
  background: var(--color-cta); color: #fff;
  font-size: 11px; font-weight: 700; padding: 3px 10px;
  border-radius: 0 0 8px 8px;
}
.price-card__label { font-size: 11px; font-weight: 700; color: var(--color-text-light); letter-spacing: 0.08em; margin-bottom: 6px; }
.price-card__name { font-size: 18px; font-weight: 700; color: var(--color-accent); margin-bottom: 8px; }
.price-card__price {
  font-size: 28px; font-weight: 900; color: var(--color-cta);
  margin-bottom: 4px; line-height: 1.1;
}
.price-card__price span { font-size: 14px; font-weight: 500; color: var(--color-text-light); }
.price-card__price--free { color: var(--color-primary-dark); }
.price-card__price-sub { font-size: 11px; color: var(--color-text-light); margin-bottom: 4px; }
.price-card__desc {
  font-size: 13px; color: var(--color-text-light); line-height: 1.78;
  margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--color-border);
}
.price-card__note {
  font-size: 12px; color: var(--color-primary-dark); margin-top: 8px;
  font-weight: 500;
}
/* 料金補足ブロック */
.price-supplement {
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-primary);
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-accent);
}

.price-note {
  font-size: 12px; color: var(--color-text-light);
  margin-top: 16px; padding: 12px 16px;
  background: #fff; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); line-height: 1.8;
}
.price-note p { margin-bottom: 4px; }
.price-note p:last-child { margin-bottom: 0; }

/* その他のコース折りたたみ */
.other-courses {
  margin-bottom: 8px;
}
.other-courses__summary {
  font-size: 13px; color: var(--color-primary-dark);
  font-weight: 700; cursor: pointer;
  padding: 10px 16px; background: var(--color-primary-light);
  border-radius: var(--radius-sm); list-style: none;
  display: flex; align-items: center; gap: 6px;
}
.other-courses__summary::-webkit-details-marker { display: none; }
.other-courses__summary::before {
  content: '+'; font-size: 16px; font-weight: 900; color: var(--color-primary-dark);
}
details[open] .other-courses__summary::before { content: '−'; }
.other-courses__body {
  padding-top: 12px;
}

/* ==============================
   4-Session Detail
============================== */
.session-cards { display: grid; gap: 16px; }
.session-card {
  background: #fff; border-radius: var(--radius); padding: 22px 20px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06); border: 1px solid var(--color-border);
  display: flex; gap: 16px; align-items: flex-start;
}
.session-card__num {
  flex-shrink: 0;
  width: 44px; height: 44px;
  background: var(--color-accent); color: #fff;
  border-radius: 9999px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 700;
  line-height: 1;
}
.session-card__label {
  font-size: 11px; font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.session-card__title { font-size: 16px; font-weight: 700; color: var(--color-accent); margin-bottom: 12px; line-height: 1.4; }
.session-card__items { display: flex; flex-wrap: wrap; gap: 6px; }
.session-tag {
  font-size: 12px; background: var(--color-primary-light);
  color: var(--color-accent); padding: 5px 11px; border-radius: 20px; font-weight: 600;
}

/* ==============================
   Instructor
============================== */
.instructor { text-align: center; }
.instructor__photo-wrap { margin: 0 auto 16px; width: 140px; }
.instructor__photo {
  width: 140px; height: 140px; border-radius: 50%; object-fit: cover;
  border: 4px solid var(--color-primary-light);
  box-shadow: 0 4px 20px rgba(93,184,200,0.25);
  background: var(--color-primary-light);
}
.instructor__name { font-size: 22px; font-weight: 700; color: var(--color-accent); margin-bottom: 4px; }
.instructor__name-reading { font-size: 12px; color: var(--color-text-light); margin-bottom: 16px; }
.instructor__bio { font-size: 14px; color: var(--color-text); line-height: 1.85; text-align: left; margin-bottom: 20px; }
.instructor__message {
  background: var(--color-primary-light); border-radius: var(--radius);
  padding: 20px; text-align: left; font-size: 14px; line-height: 1.85;
  color: var(--color-accent); border-left: 4px solid var(--color-primary);
}
.instructor__message-label {
  font-size: 11px; font-weight: 700; color: var(--color-primary-dark);
  letter-spacing: 0.1em; margin-bottom: 8px;
}

/* ==============================
   Venue
============================== */
.venue-cards { display: grid; gap: 16px; }
.venue-card {
  background: #fff; border-radius: var(--radius); padding: 20px;
  box-shadow: var(--shadow); border: 1px solid var(--color-border);
}
.venue-card__header { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.venue-card__icon {
  width: 36px; height: 36px; background: var(--color-primary-light);
  border-radius: var(--radius-sm); display: flex; align-items: center;
  justify-content: center; flex-shrink: 0;
}
.venue-card__icon svg { width: 18px; height: 18px; stroke: var(--color-primary-dark); }
.venue-card__name { font-size: 15px; font-weight: 700; color: var(--color-accent); line-height: 1.3; }
.venue-card__name small { display: block; font-size: 11px; font-weight: 400; color: var(--color-text-light); }
.venue-card__info { font-size: 13px; color: var(--color-text-light); line-height: 1.8; }
.venue-card__info strong { color: var(--color-text); }
.venue-note {
  background: var(--color-secondary); border-radius: var(--radius-sm);
  padding: 14px 16px; font-size: 13px; color: var(--color-text-light);
  line-height: 1.78; margin-top: 16px;
  display: grid; gap: 8px;
}
.venue-note p { padding-left: 18px; position: relative; }
.venue-note p::before {
  content: '✓'; position: absolute; left: 0; top: 0;
  color: var(--color-primary); font-weight: 700;
}

/* ==============================
   FAQ
============================== */
.faq-list { display: grid; gap: 8px; }
.faq-item {
  background: #fff; border-radius: var(--radius);
  border: 1px solid var(--color-border); overflow: hidden; box-shadow: var(--shadow);
}
.faq-question {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px; cursor: pointer;
  font-size: 14px; font-weight: 600; color: var(--color-accent);
  line-height: 1.5; user-select: none;
  -webkit-tap-highlight-color: transparent;
  background: none; border: none; width: 100%; text-align: left;
}
.faq-question__q {
  flex-shrink: 0; width: 24px; height: 24px;
  background: var(--color-primary); color: #fff; border-radius: 50%;
  font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.faq-question__text { flex: 1; }
.faq-question__arrow {
  flex-shrink: 0; width: 20px; height: 20px; border-radius: 50%;
  background: var(--color-primary-light);
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--transition);
}
.faq-question__arrow svg { width: 10px; height: 10px; stroke: var(--color-primary-dark); stroke-width: 2.5; fill: none; }
.faq-item.is-open .faq-question__arrow { transform: rotate(180deg); }
.faq-answer {
  display: none; padding: 0 20px 16px 56px;
  font-size: 14px; color: var(--color-text-light); line-height: 1.8;
}
.faq-item.is-open .faq-answer { display: block; }

/* ==============================
   Executive Section
============================== */
.exec-list { display: grid; gap: 8px; margin: 16px 0 24px; }
.exec-list__item {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 14px; line-height: 1.6;
}
.exec-list__item::before {
  content: '';
  display: inline-block;
  width: 20px; height: 20px; min-width: 20px;
  background: var(--color-primary); border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 12 12' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='2,6 5,9 10,3' stroke='white' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-size: 12px 12px;
  background-repeat: no-repeat;
  background-position: center;
  margin-top: 1px;
}

/* ==============================
   Flow Steps
============================== */
.flow-steps { display: grid; gap: 0; }
.flow-step { display: flex; gap: 14px; align-items: flex-start; position: relative; }
.flow-step:not(:last-child)::after {
  content: ''; position: absolute; left: 19px; top: 40px; bottom: 0;
  width: 2px; background: linear-gradient(to bottom, var(--color-primary), var(--color-primary-light));
}
.flow-step__num {
  flex-shrink: 0; width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 12px; font-weight: 700;
  position: relative; z-index: 1; box-shadow: 0 2px 8px rgba(93,184,200,0.4);
}
.flow-step__content { padding-bottom: 24px; flex: 1; padding-top: 8px; }
.flow-step__title { font-size: 16px; font-weight: 700; color: var(--color-accent); margin-bottom: 4px; }
.flow-step__body { font-size: 13px; color: var(--color-text-light); line-height: 1.75; }

/* ==============================
   Form (Light background)
============================== */
.form-section {
  background: var(--color-secondary);
  padding: 64px 0;
}
.form-section .section-label {
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
}
.form-section .section-title { color: var(--color-accent); }
.form-section .section-lead { color: var(--color-text-light); }
.form { display: grid; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 13px; font-weight: 600; color: var(--color-accent); }
.form-label .required {
  font-size: 10px; background: var(--color-cta); color: #fff;
  padding: 1px 5px; border-radius: 3px; margin-left: 4px; font-weight: 700; vertical-align: middle;
}
.form-label .optional {
  font-size: 10px; background: #ddd; color: #777;
  padding: 1px 5px; border-radius: 3px; margin-left: 4px; vertical-align: middle;
}
.form-field-note {
  font-size: 11px; color: var(--color-text-light); margin-top: 2px;
}
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 13px 16px;
  border: 1.5px solid var(--color-border); border-radius: var(--radius-sm);
  font-size: 15px; font-family: var(--font-base);
  background: #fff; color: var(--color-text); outline: none;
  transition: var(--transition);
}
.form-input::placeholder, .form-textarea::placeholder { color: #bbb; }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(93,184,200,0.15);
}
.form-select { appearance: none; cursor: pointer; }
.form-textarea { resize: vertical; min-height: 100px; }
.form-radio-group { display: grid; gap: 8px; }
.form-radio { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.form-radio input { accent-color: var(--color-primary); width: 16px; height: 16px; cursor: pointer; }
.form-radio span { font-size: 14px; color: var(--color-text); }
.form-checkbox { display: flex; align-items: flex-start; gap: 8px; cursor: pointer; }
.form-checkbox input { accent-color: var(--color-primary); width: 16px; height: 16px; cursor: pointer; margin-top: 2px; flex-shrink: 0; }
.form-checkbox span { font-size: 14px; color: var(--color-text); line-height: 1.5; }
/* Date input */
.form-input--date {
  cursor: pointer;
  color: var(--color-text);
}
.form-input--date::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0.6;
}

/* Time slot checkboxes */
.form-time-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.form-time-checkbox {
  display: flex; align-items: center; gap: 8px;
  cursor: pointer;
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  transition: border-color var(--transition), background var(--transition);
}
.form-time-checkbox:hover {
  border-color: var(--color-primary);
}
.form-time-checkbox input {
  accent-color: var(--color-primary);
  width: 18px; height: 18px;
  cursor: pointer; flex-shrink: 0;
}
.form-time-checkbox input:checked + span {
  color: var(--color-accent);
  font-weight: 700;
}
.form-time-checkbox span {
  font-size: 13px; color: var(--color-text);
}
@media (max-width: 400px) {
  .form-time-group { grid-template-columns: 1fr; }
}

.form-reassurance {
  font-size: 13px; color: var(--color-text-light);
  text-align: center; background: var(--color-primary-light);
  border-radius: var(--radius-sm); padding: 8px 16px;
  width: 100%;
}
.form-submit { margin-top: 8px; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.form-note { font-size: 12px; color: var(--color-text-light); text-align: center; line-height: 1.6; }

/* Final CTA */
.final-cta {
  text-align: center;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, #fff 100%);
}
.final-cta .section-title { font-size: clamp(18px, 5vw, 24px); }

/* Footer */
.site-footer {
  background: var(--color-accent); color: rgba(255,255,255,0.7);
  padding: 40px 20px 32px; text-align: center; font-size: 12px; line-height: 1.8;
}
.site-footer__logo { display: flex; justify-content: center; margin-bottom: 16px; }
.site-footer__logo img {
  width: 180px; height: auto; display: block;
  background: rgba(255,255,255,0.12);
  padding: 8px 16px; border-radius: 8px;
}
.site-footer__name { color: #fff; font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.site-footer__tagline { font-size: 12px; color: rgba(255,255,255,0.6); margin-bottom: 2px; }
.site-footer__links { display: flex; justify-content: center; gap: 16px; margin-top: 12px; font-size: 11px; }
.site-footer__links a { color: rgba(255,255,255,0.6); text-decoration: underline; }

/* Floating CTA (Mobile Only) */
.floating-cta {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: #fff; border-top: 1px solid var(--color-border);
  padding: 10px 16px 14px;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.12);
  z-index: 90; display: flex; gap: 10px;
}
.floating-cta .btn { font-size: 14px; padding: 13px 16px; max-width: none; }

/* Fade-in animation */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.is-visible { opacity: 1; transform: translateY(0); }

/* ==============================
   Image Placeholder
============================== */
.image-placeholder {
  background: #e8f4f7;
  border: 2px dashed #9fd0dc;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  text-align: center;
  min-height: 180px;
  width: 100%;
  gap: 6px;
}
.placeholder-icon {
  display: flex; align-items: center; justify-content: center;
  width: 48px; height: 48px;
  background: rgba(93,184,200,0.15); border-radius: 50%;
  margin-bottom: 4px;
}
.placeholder-icon svg { width: 24px; height: 24px; stroke: var(--color-primary-dark); }
.placeholder-title { font-size: 11px; font-weight: 700; color: var(--color-primary-dark); letter-spacing: 0.05em; }
.placeholder-desc { font-size: 13px; color: var(--color-text-light); line-height: 1.4; }
.placeholder-filename { font-size: 10px; color: #9ab; font-family: monospace; background: rgba(0,0,0,0.06); padding: 2px 7px; border-radius: 3px; margin-top: 2px; }

/* Instructor profile placeholder (circle) */
.instructor-profile-placeholder {
  width: 140px; height: 140px; border-radius: 50%;
  background: #e8f4f7; border: 2px dashed #9fd0dc;
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; text-align: center; gap: 4px; padding: 8px;
}
.instructor-profile-placeholder .placeholder-icon {
  width: 40px; height: 40px; margin: 0;
  background: rgba(93,184,200,0.15);
}
.instructor-profile-placeholder .placeholder-icon svg { width: 20px; height: 20px; }
.instructor-profile-placeholder .placeholder-title { font-size: 9px; font-weight: 700; color: var(--color-primary-dark); line-height: 1.3; }
.instructor-profile-placeholder .placeholder-filename { font-size: 8px; color: #9ab; font-family: monospace; background: rgba(0,0,0,0.06); padding: 1px 4px; border-radius: 2px; }

/* Section image wrappers */
.feature-image-wrap { margin-bottom: 28px; }
.feature-image-wrap .image-placeholder { min-height: 200px; }
.trial-image-wrap { margin-bottom: 20px; }
.trial-image-wrap .image-placeholder { min-height: 160px; }
.instructor-activity-wrap { margin-top: 20px; }
.instructor-activity-wrap .image-placeholder { min-height: 160px; }

/* Venue card image placeholder */
.venue-card .image-placeholder { min-height: 160px; margin-bottom: 16px; border-radius: var(--radius-sm); }

/* Content images (実画像) */
.content-image {
  width: 100%;
  display: block;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(0,0,0,0.10);
  object-fit: cover;
}
.venue-card__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

/* ==============================
   Responsive
============================== */
@media (min-width: 600px) {
  .card-grid--2 { grid-template-columns: 1fr 1fr; }
  .price-cards--main { grid-template-columns: 1fr 1fr; }
  .price-cards { grid-template-columns: 1fr 1fr; }
  .voice-cards { grid-template-columns: 1fr; }
  .instructor { display: grid; grid-template-columns: 160px 1fr; gap: 24px; text-align: left; align-items: start; }
  .instructor__photo-wrap { margin: 0; }
  .venue-cards { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 720px) {
  .floating-cta { display: none; }
  body { padding-bottom: 0; }
  .voice-cards { grid-template-columns: 1fr 1fr 1fr; }
  .section-lead { font-size: 16px; }
}

/* PC body text max-width */
@media (min-width: 768px) {
  .section .container > p,
  .pain-closing,
  .instructor__bio,
  .instructor__message {
    max-width: 720px;
  }
}

/* ==============================
   is-hidden-until-ready
============================== */
.is-hidden-until-ready { display: none; }

/* LINE CTA：公式アカウント準備中のため一時非表示 */
.is-hidden-until-line-ready { display: none !important; }

/* Form trial note */
.form-trial-note {
  font-size: 12px;
  color: var(--color-text-light);
  text-align: center;
  margin-top: 8px;
  line-height: 1.6;
}