:root {
  --navy: #0c2a52;
  --navy-dark: #081b38;
  --navy-panel: #132f5c;
  --orange: #e8632c;
  --text: #16233f;
  --text-body: #33415f;
  --text-muted: #6b7690;
  --bg-light: #f5f7fb;
  --border: #e4e9f2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", sans-serif;
  background: #fff;
  color: var(--text);
  width: 100%;
  overflow-x: hidden;
}

a { color: var(--navy); }
a:hover { color: var(--orange); }

img { max-width: 100%; }

.container { max-width: 820px; margin: 0 auto; }
.container-wide { max-width: 920px; margin: 0 auto; }
.container-narrow { max-width: 680px; margin: 0 auto; }

/* HEADER */
.header {
  background: #fff;
  color: var(--text);
  border-bottom: 1px solid #eef0f4;
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 24px;
}
.header__brand { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.header__logo { height: 52px; width: auto; display: block; }
.header__note { font-size: 12px; color: var(--text-muted); line-height: 1.5; margin: 0; max-width: 360px; }
.header__actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.header__phone { display: flex; align-items: center; gap: 8px; }
.header__phone-number { margin: 0; font-size: 18px; font-weight: 900; color: var(--navy); }
.header__phone-hours { margin: 0; font-size: 11px; color: var(--text-muted); }
.header__contact-btn {
  background: var(--navy); color: #fff; font-weight: 700; font-size: 14px;
  padding: 12px 22px; border-radius: 6px; text-decoration: none; white-space: nowrap;
}
.header__contact-btn:hover { color: #fff; opacity: 0.9; }

/* HERO */
.hero { position: relative; }
.hero--desktop {
  overflow: hidden;
  background: #dce6f5 url('assets/hero-bg.jpg') center top / cover no-repeat;
  aspect-ratio: 1574 / 658;
}
.hero--desktop img {
  position: absolute; top: -28.57%; left: 7.5%; width: 86.15%; height: 142.25%;
  object-fit: cover; pointer-events: none;
}
.hero__cta-wrap { position: absolute; left: 23%; bottom: 5%; }
.hero__cta {
  position: relative; z-index: 1; display: flex; align-items: center; gap: clamp(10px, 1.6vw, 22px);
  background: var(--navy); color: #fff; font-weight: 700; font-size: clamp(13px, 1.8vw, 22px);
  padding: clamp(10px, 1.4vw, 20px) clamp(10px, 1.4vw, 20px) clamp(10px, 1.4vw, 20px) clamp(18px, 2.6vw, 36px);
  border-radius: 999px; text-decoration: none; box-shadow: 0 8px 24px rgba(12,42,82,0.3); white-space: nowrap;
}
.hero__cta:hover { color: #fff; opacity: 0.92; }
.hero__cta-arrow {
  flex: none; width: clamp(24px, 3vw, 42px); height: clamp(24px, 3vw, 42px); border-radius: 50%;
  background: #fff; display: flex; align-items: center; justify-content: center;
}
.hero--mobile { display: none; }
.hero--mobile img { display: block; width: 100%; height: auto; }
.hero__mobile-cta { position: absolute; left: 9.1%; top: 53.2%; width: 81.5%; height: 6%; }

@media (max-width: 700px) {
  .hero--desktop { display: none; }
  .hero--mobile { display: block; }
}

/* SECTIONS */
.section { padding: 72px 24px; }
.section--white { background: #fff; }
.section--light { background: var(--bg-light); }
.section--navy { background: var(--navy); }
.section--navy-center { background: var(--navy); text-align: center; }

.heading {
  font-size: 30px; font-weight: 900; line-height: 1.5; text-align: center;
  margin: 0 0 32px; color: var(--navy);
}
.heading--md { font-size: 28px; }
.eyebrow {
  text-align: center; font-size: 18px; font-weight: 700; color: var(--orange);
  letter-spacing: 0.08em; margin: 0 0 10px;
}
.eyebrow--sm { font-size: 13px; }
.body-text { font-size: 18px; line-height: 1.9; color: var(--text-body); margin: 0 0 20px; }
.body-text--center { text-align: center; }

/* PROBLEM */
.problem-list {
  background: var(--bg-light); border-radius: 10px; padding: 28px 32px; margin-bottom: 28px;
}
.problem-list ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 14px; font-size: 17px; color: var(--text-body); }
.problem-list li { display: flex; gap: 10px; }
.problem-list li span { color: var(--orange); font-weight: 900; }
.highlight {
  font-size: 20px; font-weight: 700; line-height: 1.8; text-align: center; margin: 0;
  padding: 8px 24px; background: linear-gradient(transparent 82%, #ffe9a8 82%);
  background-position-y: -4px; display: inline;
}

/* OPTIMAL LINE metric cards */
.metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 32px; }
.metric-card {
  background: #fff; border-radius: 10px; padding: 20px; text-align: center;
  box-shadow: 0 2px 10px rgba(12,42,82,0.06); display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.metric-icon { width: 40px; height: 40px; border-radius: 50%; background: var(--navy); display: flex; align-items: center; justify-content: center; flex: none; }
.metric-label { margin: 0; font-size: 16px; color: var(--text-muted); font-weight: 600; }
.callout { text-align: center; font-size: 25px; font-weight: 900; color: var(--navy); margin: 0; }

/* FRAMEWORK */
.flow-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 6px; margin-bottom: 36px; }
.flow-step { background: var(--navy); color: #fff; font-weight: 700; font-size: 16px; padding: 14px 20px; border-radius: 8px; }
.flow-step--end { background: var(--orange); }
.flow-arrow { color: #a9b4c9; font-size: 18px; }

/* CURRICULUM */
.curriculum-list { display: flex; flex-direction: column; gap: 20px; max-width: 1040px; margin: 0 auto; }
.curriculum-card {
  background: var(--navy-panel); border-radius: 12px; padding: 26px; border: 1px solid rgba(255,255,255,0.08);
  display: flex; align-items: center; gap: 28px; flex-wrap: wrap;
}
.curriculum-card__text { flex: 1 1 320px; min-width: 260px; }
.curriculum-card__part { font-size: 18px; font-weight: 900; color: #fff; margin: 0 0 10px; }
.curriculum-card__title { font-weight: 700; color: #fff; margin: 0 0 12px; font-size: 18px; }
.curriculum-card ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; font-size: 15px; color: #b9c5df; line-height: 1.6; }
.curriculum-card li { display: flex; gap: 8px; }
.curriculum-card li span { color: var(--orange); }
.curriculum-card__note { font-size: 15px; color: #b9c5df; line-height: 1.8; margin: 0; }
.curriculum-card__image { flex: 1 1 260px; min-width: 220px; max-width: 340px; }
.curriculum-card__image img { display: block; width: 100%; height: auto; border-radius: 10px; }

/* CO-HOSTS */
.hosts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.host-card { border: 1px solid var(--border); border-radius: 12px; padding: 28px; text-align: center; }
.host-card__logo { height: 48px; width: auto; max-width: 180px; margin: 0 auto 18px; display: block; }
.host-card__logo-placeholder {
  width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 18px;
  background: repeating-linear-gradient(45deg, #eef2f8, #eef2f8 6px, #e3e9f3 6px, #e3e9f3 12px);
  display: flex; align-items: center; justify-content: center; font-family: ui-monospace, monospace;
  font-size: 9px; color: #8a97b3;
}
.host-card__tag { font-size: 11px; font-weight: 700; color: var(--orange); letter-spacing: 0.05em; margin: 0 0 6px; }
.host-card__name { font-size: 19px; font-weight: 900; margin: 0 0 14px; color: var(--navy); }
.host-card__desc { font-size: 15px; color: #586a8a; line-height: 1.8; margin: 0; }

/* BONUS */
.bonus-box { background: #fff; border-radius: 12px; padding: 36px; box-shadow: 0 2px 16px rgba(12,42,82,0.07); }
.bonus-box__label { font-size: 16px; font-weight: 700; color: var(--navy); margin: 0 0 16px; }
.bonus-box ul { margin: 0 0 28px; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; font-size: 16px; color: var(--text-body); }
.bonus-box li { display: flex; gap: 8px; }
.bonus-box li span { color: #3fae63; }
.bonus-box__result { font-size: 16px; color: var(--text-body); line-height: 1.9; margin: 0; }

/* OVERVIEW TABLE */
.overview-table { width: 100%; border-collapse: collapse; font-size: 17px; }
.overview-table th {
  text-align: left; width: 120px; padding: 16px 20px; background: var(--bg-light);
  border-bottom: 1px solid var(--border); color: var(--navy); font-weight: 700; vertical-align: top;
}
.overview-table td { padding: 16px 20px; border-bottom: 1px solid var(--border); color: var(--text-body); }
.overview-table tr:last-child th, .overview-table tr:last-child td { border-bottom: none; }

/* FINAL CTA */
.final-cta__btn {
  display: inline-block; background: var(--orange); color: #fff; font-weight: 700; font-size: 18px;
  padding: 18px 44px; border-radius: 8px; text-decoration: none; box-shadow: 0 8px 24px rgba(232,99,44,0.4);
}
.final-cta__btn:hover { color: #fff; opacity: 0.92; }

/* ENTRY FORM */
.form-panel { background: #fff; border-radius: 12px; box-shadow: 0 2px 16px rgba(12,42,82,0.07); overflow: hidden; }
.form-panel iframe { display: block; width: 100%; border: none; height: 640px; }

/* FOOTER */
.footer { background: var(--navy-dark); color: #8fa0c2; padding: 40px 24px; text-align: center; font-size: 12px; }
.footer__name { font-weight: 700; color: #fff; font-size: 14px; margin: 0 0 8px; }
.footer__address { margin: 0 0 16px; }
.footer__copyright { margin: 0; }