@import url("https://fonts.googleapis.com/css2?family=Kaisei+Decol:wght@500;700&family=Noto+Sans+JP:wght@400;500;600;700;800;900&display=swap");

:root {
  --navy: #092f62;
  --blue: #075dab;
  --bright: #1687d5;
  --pale: #eaf6ff;
  --mist: #f7fbfe;
  --ink: #10263e;
  --muted: #587087;
  --line: #c9ddeb;
  --yellow: #ffd65a;
  --red: #d44c3f;
  --paper: #fff;
  --shadow: 0 22px 65px rgba(9, 47, 98, .13);
  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --display: "Kaisei Decol", "Yu Mincho", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: .6rem 1rem;
  color: #fff;
  background: var(--navy);
  transform: translateY(-150%);
}
.skip-link:focus { transform: none; }

.hero {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(14px, 3vw, 42px);
  overflow: hidden;
  background:
    radial-gradient(circle at 14% 10%, rgba(63, 161, 222, .2), transparent 30rem),
    radial-gradient(circle at 91% 70%, rgba(60, 137, 199, .16), transparent 28rem),
    linear-gradient(145deg, #fafdff, #eaf4fb);
}
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 28rem;
  height: 14rem;
  opacity: .18;
  filter: blur(2px);
  background: var(--bright);
  -webkit-mask: radial-gradient(ellipse at center, #000 0 22%, transparent 70%);
  mask: radial-gradient(ellipse at center, #000 0 22%, transparent 70%);
}
.hero::before { top: -5rem; left: -6rem; transform: rotate(-12deg); }
.hero::after { right: -7rem; bottom: -2rem; transform: rotate(18deg); }
.hero-frame {
  position: relative;
  width: min(100%, 780px);
  padding: clamp(7px, 1.2vw, 12px);
  border: 1px solid rgba(9, 47, 98, .12);
  background: rgba(255,255,255,.68);
  box-shadow: var(--shadow);
  backdrop-filter: blur(9px);
}
.hero-frame::before,
.hero-frame::after {
  content: "";
  position: absolute;
  width: 4.2rem;
  height: 4.2rem;
  border-color: var(--blue);
  opacity: .7;
}
.hero-frame::before { top: -8px; left: -8px; border-top: 2px solid; border-left: 2px solid; }
.hero-frame::after { right: -8px; bottom: -8px; border-right: 2px solid; border-bottom: 2px solid; }
.hero-image { width: 100%; height: auto; }
.hero-kicker {
  display: none;
}
.scroll-hint {
  position: absolute;
  bottom: 12px;
  left: 50%;
  display: grid;
  gap: .25rem;
  place-items: center;
  color: var(--navy);
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .16em;
  transform: translateX(-50%);
}
.scroll-hint::after {
  content: "";
  width: 1px;
  height: 24px;
  background: var(--navy);
  animation: pulse 1.7s ease-in-out infinite;
}
@keyframes pulse { 50% { transform: scaleY(.45); opacity: .35; } }

.deadline {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--navy);
}
.deadline::after {
  content: "72 HOURS";
  position: absolute;
  right: -1rem;
  bottom: -2.4rem;
  color: rgba(255,255,255,.045);
  font-size: clamp(4rem, 13vw, 9rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.06em;
}
.deadline-inner {
  position: relative;
  z-index: 1;
  width: min(100% - 32px, 880px);
  margin: 0 auto;
  padding: clamp(42px, 7vw, 70px) 0;
  text-align: center;
}
.deadline-label {
  margin: 0 0 1rem;
  color: #cce8ff;
  font-weight: 700;
  letter-spacing: .08em;
}
.timer {
  display: flex;
  justify-content: center;
  gap: clamp(8px, 2vw, 18px);
}
.timer-part { min-width: clamp(62px, 17vw, 118px); }
.timer-number {
  display: block;
  font-size: clamp(2.3rem, 9vw, 5.5rem);
  font-weight: 900;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.06em;
}
.timer-unit {
  display: block;
  margin-top: .5rem;
  color: #9fc7e8;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
}
.deadline-note {
  margin: 1.25rem 0 0;
  color: #9fc7e8;
  font-size: .82rem;
}

.section {
  position: relative;
  padding: clamp(74px, 11vw, 132px) 0;
}
.section.blueprint {
  background:
    linear-gradient(rgba(16, 99, 166, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 99, 166, .045) 1px, transparent 1px),
    var(--mist);
  background-size: 28px 28px;
}
.section.deep {
  color: #fff;
  background:
    radial-gradient(circle at 12% 20%, rgba(32, 137, 213, .28), transparent 24rem),
    linear-gradient(135deg, #08284e, #0a3d76);
}
.container {
  width: min(100% - 40px, 920px);
  margin: 0 auto;
}
.narrow { width: min(100%, 700px); margin: 0 auto; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: .65rem;
  margin: 0 0 1rem;
  color: var(--blue);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 2rem;
  height: 3px;
  background: currentColor;
}
.eyebrow.center { justify-content: center; }
.eyebrow.center::after { content: ""; width: 2rem; height: 3px; background: currentColor; }
.deep .eyebrow { color: #81c4f3; }
.section-title {
  margin: 0 0 1.25rem;
  font-family: var(--display);
  font-size: clamp(2rem, 6vw, 3.65rem);
  line-height: 1.45;
  letter-spacing: .02em;
  text-wrap: balance;
}
.section-title.center { text-align: center; }
.lead {
  margin: 0;
  font-size: clamp(1rem, 2.6vw, 1.18rem);
  line-height: 2;
}
.lead.center { text-align: center; }
.marker {
  background: linear-gradient(transparent 62%, rgba(255,214,90,.8) 62%);
}

.video-shell {
  position: relative;
  margin-top: clamp(32px, 6vw, 56px);
  padding: clamp(7px, 1.2vw, 12px);
  background: #fff;
  box-shadow: var(--shadow);
}
.video {
  position: relative;
  display: grid;
  aspect-ratio: 16 / 9;
  place-items: center;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(5,27,54,.82), rgba(6,70,129,.66)),
    url("assets/header-a.webp") center 34% / cover;
}
.video::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg, transparent 0 70px, rgba(255,255,255,.03) 71px);
}
.play-button {
  position: relative;
  width: clamp(74px, 14vw, 112px);
  aspect-ratio: 1;
  border: 1px solid rgba(255,255,255,.68);
  border-radius: 50%;
  color: #fff;
  background: rgba(255,255,255,.12);
  cursor: pointer;
  transition: transform .25s, background .25s;
  backdrop-filter: blur(8px);
}
.play-button::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 54%;
  border-top: 13px solid transparent;
  border-bottom: 13px solid transparent;
  border-left: 21px solid currentColor;
  transform: translate(-50%, -50%);
}
.play-button:hover { transform: scale(1.06); background: rgba(255,255,255,.2); }
.video-label {
  position: absolute;
  bottom: 10%;
  left: 50%;
  margin: 0;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  transform: translateX(-50%);
  white-space: nowrap;
}
.notice {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  margin-top: 24px;
  padding: clamp(20px, 4vw, 30px);
  border-left: 5px solid var(--red);
  background: #fff7f5;
}
.notice-icon {
  display: grid;
  width: 34px;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--red);
  font-weight: 900;
}
.notice h3 { margin: 0 0 .25rem; font-size: 1.1rem; }
.notice p { margin: 0; color: #765650; font-size: .92rem; }

.learning-list {
  display: grid;
  gap: 14px;
  margin: 42px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: learning;
}
.learning-list li {
  position: relative;
  min-height: 72px;
  padding: 1.2rem 1.3rem 1.2rem 5.4rem;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.92);
  box-shadow: 0 10px 32px rgba(9,47,98,.06);
  counter-increment: learning;
}
.learning-list li::before {
  content: "0" counter(learning);
  position: absolute;
  top: 50%;
  left: 1.2rem;
  color: var(--bright);
  font-size: 1.45rem;
  font-weight: 900;
  line-height: 1;
  transform: translateY(-50%);
}

.gift-intro { margin-bottom: 54px; text-align: center; }
.gift-intro .section-title { margin-inline: auto; }
.gifts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.gift {
  position: relative;
  min-height: 252px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  padding: 1.25rem;
  color: #fff;
  background: linear-gradient(145deg, #0b3d75, #1265a8);
  box-shadow: 0 18px 35px rgba(6,42,82,.18);
}
.gift:nth-child(2n) { background: linear-gradient(145deg, #0e5698, #168bd1); }
.gift::before {
  content: attr(data-no);
  position: absolute;
  top: -.3rem;
  right: .5rem;
  color: rgba(255,255,255,.12);
  font-family: var(--display);
  font-size: 6rem;
  font-weight: 700;
  line-height: 1;
}
.gift::after {
  content: "";
  position: absolute;
  top: 18px;
  left: 18px;
  width: 38px;
  height: 5px;
  background: var(--yellow);
}
.gift small { position: relative; color: #aad7f5; font-weight: 700; letter-spacing: .1em; }
.gift h3 { position: relative; margin: .4rem 0 0; font-size: 1rem; line-height: 1.65; }
.gift:last-child { background: linear-gradient(145deg, #d09c26, #f0bc3d); color: #10263e; }
.gift:last-child small { color: #614508; }

.cta-block {
  position: relative;
  padding: clamp(44px, 7vw, 72px) clamp(22px, 5vw, 56px);
  overflow: hidden;
  border: 1px solid #b7d4e8;
  text-align: center;
  background:
    radial-gradient(circle at 90% 20%, rgba(22,135,213,.13), transparent 18rem),
    #fff;
  box-shadow: var(--shadow);
}
.cta-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 7px;
  height: 100%;
  background: var(--bright);
}
.cta-block h2 { margin: 0 0 .75rem; font-family: var(--display); font-size: clamp(1.6rem, 5vw, 2.65rem); line-height: 1.5; }
.cta-block p { margin: 0 auto 1.6rem; color: var(--muted); }
.cta {
  display: inline-flex;
  min-height: 68px;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  width: min(100%, 560px);
  padding: 1rem 1.4rem;
  border: 0;
  border-radius: 5px;
  color: #fff;
  background: linear-gradient(100deg, #0755a1, #0b7cc7);
  box-shadow: 0 12px 0 #073a72, 0 22px 35px rgba(7,84,158,.23);
  font-weight: 900;
  line-height: 1.45;
  text-decoration: none;
  transition: transform .2s, box-shadow .2s;
}
.cta::after { content: "→"; font-size: 1.3rem; }
.cta:hover { transform: translateY(3px); box-shadow: 0 9px 0 #073a72, 0 16px 28px rgba(7,84,158,.2); }
.cta.secondary { background: linear-gradient(100deg, #d69b18, #f2bd3a); box-shadow: 0 12px 0 #9b6b08, 0 22px 35px rgba(156,108,13,.2); color: #17283b; }
.cta-note { display: block; margin-top: 1.35rem; color: var(--muted); font-size: .78rem; }

.steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 48px;
}
.steps::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: rgba(129,196,243,.36);
}
.step { position: relative; text-align: center; }
.step-no {
  position: relative;
  z-index: 1;
  display: grid;
  width: 56px;
  aspect-ratio: 1;
  place-items: center;
  margin: 0 auto 1.15rem;
  border: 1px solid rgba(255,255,255,.5);
  border-radius: 50%;
  color: var(--navy);
  background: #fff;
  font-weight: 900;
}
.step h3 { margin: 0 0 .45rem; color: #fff; font-size: 1rem; }
.step p { margin: 0; color: #b7d9ef; font-size: .84rem; line-height: 1.8; }
.roadmap-meta {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 2.2rem 0;
}
.roadmap-meta span {
  padding: .45rem .9rem;
  border: 1px solid rgba(255,255,255,.24);
  color: #cce8fa;
  font-size: .8rem;
}
.deep .cta-block { color: var(--ink); }

.results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 46px;
}
.result {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 14px 40px rgba(9,47,98,.08);
}
.result-head {
  min-height: 150px;
  padding: 1.3rem;
  color: #fff;
  background:
    radial-gradient(circle at 90% 10%, rgba(255,255,255,.18), transparent 7rem),
    linear-gradient(145deg, #0b386d, #147bc1);
}
.result-head small { color: #aedbfa; font-weight: 700; }
.result-head strong { display: block; margin-top: .5rem; font-family: var(--display); font-size: 1.55rem; }
.result-stat { margin-top: .6rem; color: var(--yellow); font-size: 1.05rem; font-weight: 900; }
.result-body { padding: 1.3rem; color: var(--muted); font-size: .88rem; }

.faq { margin-top: 42px; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  position: relative;
  padding: 1.35rem 3.3rem 1.35rem 3.1rem;
  cursor: pointer;
  font-weight: 800;
  line-height: 1.65;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: "Q";
  position: absolute;
  left: .6rem;
  color: var(--blue);
  font-family: var(--display);
  font-size: 1.45rem;
}
.faq-item summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: .9rem;
  color: var(--blue);
  font-size: 1.5rem;
  font-weight: 400;
  transform: translateY(-50%);
}
.faq-item[open] summary::after { content: "−"; }
.faq-answer { padding: 0 1rem 1.5rem 3.1rem; color: var(--muted); font-size: .92rem; }
.faq-answer p { margin: 0; }

.letter {
  position: relative;
  padding: clamp(32px, 6vw, 64px);
  background: #fff;
  box-shadow: var(--shadow);
}
.letter::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid var(--line);
  pointer-events: none;
}
.letter p { position: relative; margin: 0 0 1.25rem; }
.signature {
  margin-top: 2.4rem !important;
  font-family: var(--display);
  font-size: 1.8rem;
  text-align: right;
}
.profile {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: clamp(30px, 6vw, 64px);
  align-items: center;
}
.profile-image {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  padding: 10px;
  background: #fff;
  box-shadow: var(--shadow);
}
.profile-image img {
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center center;
}
.profile-image::after {
  content: "Taka / Liberte";
  position: absolute;
  right: -24px;
  bottom: 36px;
  padding: .35rem .75rem;
  color: #fff;
  background: var(--navy);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .1em;
}
.profile h2 { margin: 0 0 1rem; font-family: var(--display); font-size: clamp(1.7rem, 4vw, 2.5rem); }
.profile p { margin: 0; color: var(--muted); }

.final-actions {
  display: grid;
  gap: 18px;
  justify-items: center;
  margin-top: 2rem;
}
.final-timer { margin-top: 2.4rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,.18); }
.final-timer .timer-number { font-size: clamp(2.1rem, 7vw, 4.4rem); }

footer {
  padding: 2rem 1rem 7rem;
  color: #70849a;
  background: #061d38;
  font-size: .7rem;
  text-align: center;
}
.sticky-cta {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .9rem 1.15rem;
  border-radius: 999px;
  color: #fff;
  background: var(--blue);
  box-shadow: 0 12px 32px rgba(4,43,85,.28);
  font-size: .8rem;
  font-weight: 900;
  line-height: 1.35;
  text-decoration: none;
}
.sticky-cta span { color: var(--yellow); }

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .scroll-hint::after { animation: none; }
}

@media (max-width: 760px) {
  .hero { min-height: auto; padding: 16px 10px 48px; }
  .hero-kicker { top: 7px; }
  .scroll-hint { display: none; }
  .gifts { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps::before { display: none; }
  .results { grid-template-columns: 1fr; }
  .profile { grid-template-columns: 1fr; }
  .profile-image { width: min(70%, 260px); margin: 0 auto; }
}
@media (max-width: 480px) {
  body { font-size: 15px; }
  .container { width: min(100% - 28px, 920px); }
  .section { padding: 70px 0; }
  .gifts { gap: 8px; }
  .gift { min-height: 205px; padding: 1rem; }
  .gift h3 { font-size: .86rem; }
  .steps { grid-template-columns: 1fr; }
  .timer { gap: 5px; }
  .notice { grid-template-columns: 1fr; }
  .learning-list li { padding-left: 4.4rem; }
  .sticky-cta { right: 9px; bottom: 9px; left: 9px; justify-content: center; }
}