:root {
  --ink: #071425;
  --ink-2: #0d1d31;
  --paper: #ffffff;
  --wash: #f2f6fb;
  --blue: #1763ff;
  --blue-dark: #0b4fd7;
  --cyan: #18c8e5;
  --green: #24bf83;
  --amber: #f2b84b;
  --coral: #ff5867;
  --muted: #5c6878;
  --line: #dce3ec;
  --radius: 18px;
  --shadow: 0 22px 60px rgba(7, 20, 37, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
p, h1, h2, h3, li, td, th, a { overflow-wrap: anywhere; }
.shell { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(220, 227, 236, .9);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(16px);
}
.site-header .shell {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand { font-weight: 900; text-decoration: none; letter-spacing: -.02em; }
.brand small { display: block; color: var(--blue); font-size: .68rem; letter-spacing: .08em; }
.header-nav { display: flex; align-items: center; gap: 20px; color: var(--muted); font-size: .9rem; }
.header-nav a { text-decoration: none; }
.header-nav .header-cta { color: #fff; }
.hero {
  color: var(--ink);
  background:
    radial-gradient(circle at 76% 14%, rgba(23, 99, 255, .1), transparent 31%),
    linear-gradient(145deg, #fbfdff 0%, #f2f6fb 100%);
  border-bottom: 1px solid var(--line);
}
.hero .shell {
  min-height: 650px;
  padding-block: 56px 76px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, .95fr);
  align-items: start;
  gap: 52px;
}
.hero.simple .shell { min-height: 470px; }
.eyebrow {
  margin: 0 0 18px;
  color: var(--blue-dark);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.eyebrow.pill {
  display: inline-flex;
  width: fit-content;
  margin-top: 24px;
  padding: 8px 16px;
  border: 1px solid #a8c2ff;
  border-radius: 999px;
  background: rgba(255, 255, 255, .78);
  font-size: .82rem;
  letter-spacing: .02em;
  text-transform: none;
}
.hero-brandline { display: flex; align-items: center; gap: 14px; color: var(--muted); font-size: .82rem; font-weight: 800; line-height: 1.45; }
.brand-mark { display: inline-grid; width: 64px; height: 44px; place-items: center; border-radius: 8px; background: var(--ink); color: #fff; font-size: 1.55rem; font-weight: 950; letter-spacing: -.08em; box-shadow: 9px 9px 0 rgba(23, 99, 255, .16); }
h1, h2, h3 { margin-top: 0; line-height: 1.25; letter-spacing: -.035em; }
h1 { max-width: 850px; margin-bottom: 22px; font-size: clamp(2.75rem, 4vw, 3.35rem); font-weight: 950; letter-spacing: -.055em; }
.hero.simple h1 { font-size: clamp(2.25rem, 4.6vw, 4rem); }
.lead { max-width: 740px; margin: 0; color: #536174; font-size: clamp(1rem, 1.7vw, 1.2rem); font-weight: 600; }
.hero-proof {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .9);
  box-shadow: var(--shadow);
}
.hero-proof strong { display: block; font-size: 1.25rem; }
.hero-proof p { margin: 9px 0 0; color: var(--muted); }
.hero-media { display: grid; min-width: 0; margin: 16px 0 0; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: 12px; }
.hero-media > img { grid-column: 1 / -1; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; border: 1px solid #cbd6e5; border-radius: 28px; box-shadow: 0 28px 80px rgba(7, 20, 37, .16); }
.media-card { display: grid; min-width: 0; gap: 6px; padding: 18px 20px; border: 1px solid #d4dce8; border-radius: 18px; background: #fff; box-shadow: 0 14px 36px rgba(7, 20, 37, .1); }
.media-card strong { font-size: 1rem; line-height: 1.45; }
.media-card span { color: var(--muted); font-size: .82rem; line-height: 1.65; }
.media-card.primary { grid-column: 2; grid-row: 2; }
.media-card.secondary { grid-column: 1; grid-row: 2; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button, .header-cta {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-weight: 900;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.button:hover, .header-cta:hover { transform: translateY(-2px); background: var(--blue-dark); box-shadow: 0 13px 30px rgba(40, 100, 240, .28); }
.button.secondary { border-color: #bac6d5; background: rgba(255, 255, 255, .72); color: var(--ink); }
.button.light { border-color: var(--line); background: #fff; color: var(--ink); box-shadow: none; }
.button:focus-visible, .header-cta:focus-visible, a:focus-visible { outline: 3px solid rgba(24, 200, 229, .55); outline-offset: 4px; }
.section { padding-block: 84px; border-bottom: 1px solid var(--line); }
.section.wash { background: var(--wash); }
.section.dark { background: var(--ink); color: #fff; }
.section-head { max-width: 760px; margin-bottom: 34px; }
.kicker { margin: 0 0 8px; color: var(--blue); font-size: .78rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.dark .kicker { color: #93b6ff; }
h2 { margin-bottom: 15px; font-size: clamp(1.85rem, 3.7vw, 3.2rem); }
h3 { margin-bottom: 10px; font-size: 1.2rem; }
.section-head > p, .muted { color: var(--muted); }
.dark .section-head > p, .dark .muted { color: #cbd6e4; }
.lane-grid, .card-grid, .plan-grid, .proof-grid { display: grid; gap: 18px; }
.lane-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid, .proof-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.plan-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: stretch; }
.plan-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.lane, .card, .plan, .proof-card {
  min-width: 0;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 12px 34px rgba(7, 20, 37, .06);
}
.lane { display: flex; flex-direction: column; min-height: 380px; }
.lane .button, .plan .button { width: 100%; margin-top: auto; }
.lane-number { margin-bottom: 38px; color: var(--blue); font-size: 2.7rem; font-weight: 900; line-height: 1; }
.lane p, .card p, .card li, .plan p, .plan li, .proof-card p { color: var(--muted); }
.lane ul, .card ul, .plan ul { margin: 14px 0 26px; padding-left: 1.2em; }
.lane.learn { border-top: 6px solid var(--cyan); }
.lane.try { border-top: 6px solid var(--green); }
.lane.corporate { border-top: 6px solid var(--amber); }
.journey { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.journey-step { position: relative; padding: 22px; border-radius: 12px; background: #12243b; }
.journey-step::after { content: "→"; position: absolute; right: -13px; top: 50%; color: #7f92a8; font-weight: 900; transform: translateY(-50%); }
.journey-step:last-child::after { display: none; }
.journey-step b { display: block; color: #fff; }
.journey-step span { display: block; margin-top: 6px; color: #bfcbd9; font-size: .88rem; }
.price { margin: 8px 0 18px; font-size: 2rem; font-weight: 900; line-height: 1.25; }
.price small { color: var(--muted); font-size: .9rem; font-weight: 600; }
.plan { display: flex; flex-direction: column; }
.plan.featured { border-color: #91aef8; box-shadow: 0 20px 52px rgba(40, 100, 240, .14); }
.badge { display: inline-flex; align-self: flex-start; margin-bottom: 12px; padding: 5px 10px; border-radius: 999px; background: #eaf0ff; color: var(--blue-dark); font-size: .74rem; font-weight: 900; }
.proof-boundary { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.proof-card.verified { border-top: 6px solid var(--green); }
.proof-card.next { border-top: 6px solid var(--coral); }
.program { width: 100%; border-collapse: separate; border-spacing: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.program th, .program td { padding: 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.program th { width: 135px; color: var(--blue-dark); }
.program tr:last-child th, .program tr:last-child td { border-bottom: 0; }
.notice { padding: 22px; border-left: 5px solid var(--amber); border-radius: 10px; background: #fff8e8; }
.link-list { display: grid; gap: 10px; padding: 0; list-style: none; }
.link-list a { color: var(--blue-dark); font-weight: 800; }
.final-cta { padding-block: 74px; background: var(--blue); color: #fff; }
.final-cta .shell { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.final-cta h2 { margin-bottom: 8px; }
.final-cta p { margin: 0; color: #dce7ff; }
.final-cta .button { background: #fff; color: var(--blue-dark); }
.site-footer { padding-block: 36px; color: var(--muted); font-size: .86rem; }
.site-footer .shell { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; }
.legal { width: min(900px, calc(100% - 40px)); margin-inline: auto; padding-block: 64px; }
.legal h1 { color: var(--ink); font-size: clamp(2rem, 4vw, 3.4rem); }
.legal h2 { margin-top: 42px; font-size: 1.35rem; }
.legal table { width: 100%; border-collapse: collapse; }
.legal th, .legal td { padding: 14px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.legal th { width: 230px; background: var(--wash); }

@media (max-width: 900px) {
  .hero .shell, .hero.simple .shell { grid-template-columns: 1fr; min-height: auto; padding-block: 62px; }
  .hero-media { width: min(680px, 100%); }
  .lane-grid, .card-grid, .plan-grid, .plan-grid.two, .proof-grid { grid-template-columns: 1fr; }
  .lane { min-height: 0; }
  .journey { grid-template-columns: 1fr 1fr; }
  .journey-step::after { display: none; }
  .final-cta .shell { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 640px) {
  .shell, .legal { width: min(100% - 28px, 1120px); }
  .site-header .shell { min-height: 60px; }
  .header-nav a:not(.header-cta) { display: none; }
  .header-cta { min-height: 44px; padding: 9px 14px; font-size: .82rem; }
  .hero .shell, .hero.simple .shell { padding-block: 48px; gap: 30px; }
  h1 { font-size: 2.25rem; }
  .hero-brandline { align-items: flex-start; }
  .brand-mark { width: 56px; height: 40px; }
  .hero-media { grid-template-columns: 1fr; }
  .hero-media > img { border-radius: 20px; }
  .media-card.primary, .media-card.secondary { grid-column: 1; width: 100%; }
  .media-card.secondary { grid-row: 2; padding: 15px 17px; }
  .media-card.primary { grid-row: 3; }
  .section { padding-block: 62px; }
  .lane, .card, .plan, .proof-card { padding: 22px; }
  .journey { grid-template-columns: 1fr; }
  .proof-boundary { grid-template-columns: 1fr; }
  .program, .program tbody, .program tr, .program th, .program td { display: block; width: 100%; }
  .program tr { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .program th, .program td { padding: 5px 16px; border: 0; }
  .legal table, .legal tbody, .legal tr, .legal th, .legal td { display: block; width: 100%; }
  .legal tr { margin-bottom: 12px; }
  .legal th, .legal td { border-bottom: 0; }
  .legal td { border-top: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
