:root {
  --ink: #191a2b;
  --ink-soft: #2a2c43;
  --pink: #ff3e8b;
  --pink-dark: #de246f;
  --yellow: #ffd84a;
  --paper: #fffafc;
  --white: #ffffff;
  --muted: #68697a;
  --line: rgba(25, 26, 43, .11);
  --shadow: 0 24px 70px rgba(25, 26, 43, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }

.top-alert {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 8px 20px;
  color: var(--ink);
  background: var(--yellow);
  font-size: 14px;
  letter-spacing: .04em;
}
.top-alert span { font-weight: 600; }
.top-alert strong { font-weight: 900; }

.site-header {
  position: relative;
  z-index: 20;
  max-width: 1180px;
  margin: 0 auto;
  padding: 19px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; font-size: 18px; font-weight: 900; letter-spacing: .03em; line-height: 1.1; }
.brand small { display: block; margin-top: 4px; font-size: 9px; letter-spacing: .15em; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--pink); font-size: 24px; box-shadow: 0 7px 18px rgba(255,62,139,.28); }
.header-cta { padding: 11px 22px; border-radius: 999px; color: white; background: var(--ink); text-decoration: none; font-size: 14px; font-weight: 800; }

.hero {
  position: relative;
  min-height: 740px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 48px 58px 78px;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  align-items: center;
  gap: 66px;
  overflow: hidden;
}
.hero::before { content: ""; position: absolute; width: 440px; height: 440px; right: -120px; top: -110px; border: 66px solid rgba(255,216,74,.34); border-radius: 50%; z-index: -1; }
.court-line { position: absolute; border: 2px solid rgba(255,62,139,.14); pointer-events: none; z-index: -1; }
.court-line-one { width: 580px; height: 280px; left: -230px; bottom: 36px; border-radius: 50%; transform: rotate(-14deg); }
.eyebrow { margin: 0 0 15px; color: var(--pink-dark); font-size: 14px; font-weight: 900; letter-spacing: .08em; }
.hero h1 { margin: 0; font-size: clamp(42px, 5.4vw, 74px); line-height: 1.2; letter-spacing: -.035em; font-weight: 900; }
.hero h1 em, .lesson-copy h2 em { color: var(--pink); font-style: normal; }
.hero-lead { max-width: 620px; margin: 25px 0 27px; color: var(--ink-soft); font-size: 17px; font-weight: 500; }
.quick-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin-bottom: 25px; }
.quick-facts div { padding: 13px 14px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.82); }
.quick-facts span { display: block; color: var(--muted); font-size: 11px; font-weight: 700; }
.quick-facts strong { display: block; margin-top: 3px; font-size: 13px; line-height: 1.45; }
.primary-cta { width: min(100%, 470px); min-height: 76px; display: flex; align-items: center; justify-content: center; flex-direction: column; border-radius: 18px; color: white; background: var(--pink); box-shadow: 0 16px 35px rgba(255,62,139,.28); text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
.primary-cta:hover { transform: translateY(-3px); box-shadow: 0 20px 42px rgba(255,62,139,.36); }
.primary-cta span { font-size: 19px; font-weight: 900; }
.primary-cta small { font-size: 11px; opacity: .85; }
.campaign-note { margin: 10px 0 0; font-size: 13px; color: var(--muted); }
.campaign-note strong { color: var(--pink-dark); margin-right: 5px; }
.hero-visual { position: relative; }
.hero-image-wrap { position: relative; max-width: 470px; margin-left: auto; }
.hero-image-wrap::before { content: ""; position: absolute; inset: 18px -18px -18px 18px; border: 3px solid var(--yellow); border-radius: 190px 190px 34px 34px; z-index: -1; }
.hero-image-wrap img { width: 100%; height: 590px; object-fit: cover; object-position: center 25%; border-radius: 190px 190px 34px 34px; box-shadow: var(--shadow); }
.image-badge { position: absolute; left: -36px; bottom: 36px; padding: 14px 21px; border-radius: 16px; background: white; box-shadow: 0 14px 38px rgba(25,26,43,.2); transform: rotate(-2deg); }
.image-badge strong, .image-badge span { display: block; }
.image-badge strong { color: var(--pink-dark); font-size: 18px; }
.image-badge span { font-size: 11px; font-weight: 700; }

.trust-strip { max-width: 1080px; margin: -12px auto 0; padding: 25px 34px; display: grid; grid-template-columns: repeat(3, 1fr); border-radius: 22px; color: white; background: var(--ink); box-shadow: var(--shadow); }
.trust-strip div { padding: 0 32px; text-align: center; border-right: 1px solid rgba(255,255,255,.16); }
.trust-strip div:last-child { border: 0; }
.trust-strip strong, .trust-strip span { display: block; }
.trust-strip strong { color: var(--yellow); font-size: 19px; }
.trust-strip span { margin-top: 3px; font-size: 12px; opacity: .78; }

.section { max-width: 1120px; margin: 0 auto; padding: 120px 28px; }
.section-heading h2 { margin: 0; font-size: clamp(35px, 4.4vw, 58px); line-height: 1.32; letter-spacing: -.025em; }
.centered { text-align: center; }
.intro-grid { margin-top: 48px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 55px; align-items: center; }
.photo-card { position: relative; }
.photo-card img { width: 100%; height: 540px; object-fit: cover; object-position: center; border-radius: 34px; box-shadow: var(--shadow); }
.photo-card span { position: absolute; left: 20px; right: 20px; bottom: 20px; padding: 14px; border-radius: 14px; color: white; background: rgba(25,26,43,.86); backdrop-filter: blur(8px); text-align: center; font-size: 14px; font-weight: 800; }
.check-list { display: grid; gap: 10px; }
.check-list article { padding: 22px 0; display: grid; grid-template-columns: 58px 1fr; gap: 20px; border-bottom: 1px solid var(--line); }
.check-list article > span { width: 50px; height: 50px; display: grid; place-items: center; border-radius: 50%; color: var(--ink); background: var(--yellow); font-size: 13px; font-weight: 900; }
.check-list h3 { margin: 0; font-size: 20px; }
.check-list p { margin: 6px 0 0; color: var(--muted); font-size: 15px; }

.lesson { max-width: none; padding-left: max(28px, calc((100vw - 1120px) / 2)); padding-right: max(28px, calc((100vw - 1120px) / 2)); display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; color: white; background: var(--ink); }
.lesson-photo img { width: 100%; height: 570px; object-fit: cover; object-position: center; border-radius: 32px; }
.lesson-copy h2 { margin: 0 0 25px; font-size: clamp(35px, 4.3vw, 58px); line-height: 1.32; }
.lesson-copy p { color: rgba(255,255,255,.75); }
.lesson-copy ul { margin: 25px 0 0; padding: 0; list-style: none; display: grid; gap: 11px; }
.lesson-copy li { position: relative; padding-left: 28px; font-weight: 700; }
.lesson-copy li::before { content: "✓"; position: absolute; left: 0; color: var(--yellow); font-weight: 900; }

.info { max-width: 980px; }
.info-card { margin-top: 42px; overflow: hidden; border-radius: 30px; background: white; box-shadow: var(--shadow); }
.info-main { padding: 42px; text-align: center; background: linear-gradient(135deg, var(--pink), #ff6ba9); color: white; }
.info-label { display: inline-block; padding: 5px 14px; border-radius: 99px; color: var(--ink); background: var(--yellow); font-size: 12px; font-weight: 900; }
.info-main h3 { margin: 13px 0 3px; font-size: 30px; }
.info-main p { margin: 0; font-size: 14px; }
.info-card dl { margin: 0; padding: 12px 38px; display: grid; grid-template-columns: 1fr 1fr; }
.info-card dl div { padding: 22px 12px; display: flex; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); }
.info-card dt { color: var(--muted); font-size: 13px; font-weight: 700; }
.info-card dd { margin: 0; font-size: 16px; font-weight: 900; text-align: right; }
.fine-print { margin: 0; padding: 14px 42px 28px; color: var(--muted); font-size: 12px; text-align: center; }

.faq { max-width: 880px; }
.faq-list { margin-top: 42px; display: grid; gap: 10px; }
.faq details { border: 1px solid var(--line); border-radius: 17px; background: white; }
.faq summary { padding: 20px 55px 20px 22px; cursor: pointer; list-style: none; position: relative; font-weight: 800; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; top: 15px; right: 22px; color: var(--pink); font-size: 25px; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0; padding: 0 22px 22px; color: var(--muted); font-size: 15px; }

.trial { padding: 90px 28px; color: white; background: linear-gradient(135deg, var(--pink-dark), var(--pink)); text-align: center; }
.trial-inner { max-width: 760px; margin: 0 auto; }
.trial-limit { display: inline-block; margin: 0 0 20px; padding: 7px 18px; border-radius: 99px; color: var(--ink); background: var(--yellow); font-size: 14px; font-weight: 900; }
.trial h2 { margin: 0; font-size: clamp(36px, 5vw, 60px); line-height: 1.35; }
.trial-inner > p:not(.trial-limit) { max-width: 620px; margin: 22px auto; }
.offer { margin: 28px auto; display: flex; align-items: center; justify-content: center; gap: 14px; }
.offer span { font-size: 15px; font-weight: 800; }
.offer strong { color: var(--yellow); font-size: 35px; }
.primary-cta.light { margin: 0 auto; color: var(--ink); background: white; box-shadow: 0 18px 40px rgba(98,0,39,.25); }
.phone-link { display: inline-block; margin-top: 18px; font-size: 13px; font-weight: 700; text-underline-offset: 4px; }

footer { padding: 55px 24px 110px; color: white; background: #11121e; text-align: center; }
footer strong { font-size: 20px; }
footer p { margin: 4px 0 16px; color: rgba(255,255,255,.55); font-size: 12px; }
footer div { display: flex; gap: 20px; justify-content: center; margin-bottom: 18px; }
footer a { color: rgba(255,255,255,.78); font-size: 12px; }
footer small { color: rgba(255,255,255,.42); }
.mobile-sticky { display: none; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 820px) {
  .top-alert { gap: 10px; font-size: 12px; }
  .site-header { padding: 14px 18px; }
  .header-cta { display: none; }
  .hero { min-height: auto; padding: 30px 20px 76px; grid-template-columns: 1fr; gap: 42px; }
  .hero-copy { order: 1; }
  .hero-visual { order: 0; }
  .hero h1 { font-size: clamp(39px, 11.7vw, 58px); }
  .hero-lead { font-size: 15px; }
  .hero-image-wrap { max-width: 100%; margin: 0; }
  .hero-image-wrap::before { inset: 12px -8px -12px 10px; border-width: 3px; border-radius: 120px 120px 25px 25px; }
  .hero-image-wrap img { height: 360px; border-radius: 120px 120px 25px 25px; object-position: center 28%; }
  .image-badge { left: 12px; bottom: -18px; }
  .quick-facts { grid-template-columns: 1fr; }
  .quick-facts div { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
  .quick-facts strong { text-align: right; }
  .primary-cta { width: 100%; }
  .trust-strip { margin: 0 16px; padding: 12px; border-radius: 18px; }
  .trust-strip div { padding: 5px 8px; }
  .trust-strip strong { font-size: 14px; }
  .trust-strip span { font-size: 9px; line-height: 1.5; }
  .section { padding: 86px 20px; }
  .section-heading h2 { font-size: 37px; }
  .intro-grid, .lesson { grid-template-columns: 1fr; gap: 38px; }
  .photo-card img, .lesson-photo img { height: 420px; }
  .lesson { padding: 86px 20px; }
  .lesson-photo { order: 1; }
  .check-list article { grid-template-columns: 48px 1fr; gap: 13px; }
  .check-list article > span { width: 42px; height: 42px; }
  .check-list h3 { font-size: 17px; }
  .check-list p { font-size: 14px; }
  .info-main { padding: 32px 20px; }
  .info-main h3 { font-size: 25px; }
  .info-card dl { padding: 10px 18px; grid-template-columns: 1fr; }
  .info-card dl div { padding: 15px 8px; }
  .trial { padding: 75px 20px 98px; }
  .trial h2 { font-size: 38px; }
  .mobile-sticky { position: fixed; z-index: 50; left: 12px; right: 12px; bottom: 10px; min-height: 61px; display: flex; align-items: center; justify-content: center; gap: 12px; border: 2px solid white; border-radius: 18px; color: white; background: var(--pink); box-shadow: 0 12px 34px rgba(25,26,43,.28); text-decoration: none; }
  .mobile-sticky span { padding: 4px 9px; border-radius: 99px; color: var(--ink); background: var(--yellow); font-size: 11px; font-weight: 900; }
  .mobile-sticky strong { font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .primary-cta { transition: none; }
}