:root {
  --black: #050505;
  --black-2: #101014;
  --white: #ffffff;
  --text: #1a1a1a;
  --muted: #666674;
  --cyan: #00d9ff;
  --cyan-2: #10b9d8;
  --pink: #ff25c8;
  --yellow: #fff200;
  --lime: #bcff36;
  --line: #06c755;
  --radius: 22px;
  --shadow: 10px 12px 0 #000;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.75;
  letter-spacing: 0.02em;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px clamp(16px, 4vw, 48px);
  background: rgba(5,5,5,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 3px solid var(--cyan);
}
.brand img { width: min(220px, 48vw); height: auto; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.x-link,
.mini-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  font-weight: 900;
  font-size: 13px;
  border: 2px solid #fff;
  color: #fff;
}
.mini-cta { background: var(--yellow); color: #000; border-color: #000; box-shadow: 4px 4px 0 var(--pink); }

.container {
  width: min(1120px, calc(100% - 36px));
  margin-inline: auto;
}
.narrow { width: min(820px, calc(100% - 36px)); }
.section-dark {
  background: radial-gradient(circle at 15% 20%, rgba(255,37,200,.22), transparent 28%),
              radial-gradient(circle at 85% 10%, rgba(0,217,255,.24), transparent 30%),
              linear-gradient(135deg, #050505 0%, #13131a 60%, #050505 100%);
  color: #fff;
}
.section-white { padding: clamp(58px, 8vw, 96px) 0; background: #fff; }
.section-pop {
  padding: clamp(64px, 8vw, 104px) 0;
  background:
    linear-gradient(90deg, rgba(0,217,255,.12) 1px, transparent 1px),
    linear-gradient(rgba(255,37,200,.08) 1px, transparent 1px),
    #f7f7fb;
  background-size: 28px 28px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(46px, 7vw, 82px) 0 clamp(44px, 7vw, 72px);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(255,242,0,.08), transparent 34%, rgba(0,217,255,.08));
  pointer-events: none;
}
.hero-inner {
  position: relative;
  width: min(1180px, calc(100% - 36px));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: clamp(26px, 4vw, 54px);
}
.eyebrow {
  margin: 0 0 16px;
  font-weight: 1000;
  color: #000;
  letter-spacing: 0.06em;
}
.eyebrow span {
  display: inline-block;
  padding: 8px 16px;
  background: var(--yellow);
  transform: rotate(-2deg);
  box-shadow: 6px 6px 0 var(--cyan), -4px -4px 0 var(--pink);
}
.hero h1 {
  margin: 0;
  font-size: clamp(38px, 6vw, 78px);
  line-height: 0.98;
  font-weight: 1000;
  letter-spacing: -0.04em;
  text-shadow: 5px 5px 0 #000, 8px 8px 0 var(--pink);
}
.hero h1 span {
  display: block;
  margin-top: 12px;
  color: var(--cyan);
  -webkit-text-stroke: 1.5px #000;
  text-shadow: 5px 5px 0 #000, 8px 8px 0 var(--yellow);
}
.lead {
  margin: 24px 0 0;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 800;
  color: rgba(255,255,255,0.92);
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
}
.hero-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 13px;
  background: #fff;
  color: #000;
  border: 2px solid #000;
  border-radius: 999px;
  font-weight: 1000;
  font-size: 13px;
  box-shadow: 4px 4px 0 var(--cyan);
}
.cta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}
.center { justify-content: center; }
.cta-button {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: min(100%, 330px);
  min-height: 68px;
  padding: 12px 24px;
  background: var(--line);
  color: #fff;
  border: 3px solid #000;
  border-radius: 999px;
  font-size: 19px;
  font-weight: 1000;
  line-height: 1.2;
  box-shadow: 8px 8px 0 var(--yellow), 12px 12px 0 var(--pink);
  transform: translate(0,0);
  transition: transform .18s ease, box-shadow .18s ease;
}
.cta-button::after {
  content: "→";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
}
.cta-button small { font-size: 12px; opacity: .95; margin-top: 3px; }
.cta-button:hover { transform: translate(4px,4px); box-shadow: 4px 4px 0 var(--yellow), 7px 7px 0 var(--pink); }
.cta-button.large { min-width: min(100%, 370px); }
.sub-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 22px;
  border-radius: 999px;
  border: 3px solid #fff;
  color: #fff;
  font-weight: 1000;
  background: rgba(255,255,255,.08);
}
.sub-button.dark { border-color: #fff; }
.hero-frame {
  position: relative;
  padding: 10px;
  background: #fff;
  border: 4px solid #000;
  box-shadow: 12px 12px 0 var(--cyan), 20px 20px 0 var(--pink);
  transform: rotate(-1deg);
}
.hero-frame::before {
  content: "";
  position: absolute;
  inset: -18px auto auto -18px;
  width: 72px;
  height: 72px;
  background: var(--yellow);
  clip-path: polygon(45% 0, 60% 34%, 100% 28%, 70% 54%, 86% 100%, 50% 70%, 15% 100%, 30% 56%, 0 30%, 40% 34%);
  z-index: 1;
}
.hero-frame img { width: 100%; border: 1px solid rgba(0,0,0,.16); }
.ticker {
  overflow: hidden;
  display: flex;
  gap: 12px;
  margin-top: 28px;
  padding: 10px 0;
  color: #000;
  background: var(--yellow);
  border-top: 3px solid #000;
  border-bottom: 3px solid #000;
  transform: rotate(1deg);
  font-weight: 1000;
  white-space: nowrap;
}
.ticker span { padding-left: 24px; }
.bolt {
  position: absolute;
  width: 120px;
  height: 190px;
  background: var(--cyan);
  opacity: .36;
  clip-path: polygon(42% 0, 72% 0, 55% 35%, 85% 35%, 28% 100%, 45% 52%, 18% 52%);
}
.bolt-a { left: 2%; top: 12%; transform: rotate(-20deg); }
.bolt-b { right: 5%; bottom: 5%; transform: rotate(28deg); background: var(--pink); }

.section-kicker {
  margin: 0 0 10px;
  color: var(--pink);
  font-weight: 1000;
  letter-spacing: .14em;
  font-size: 13px;
}
.section-head { text-align: center; margin-bottom: clamp(30px, 5vw, 52px); }
.section-head.light .section-kicker { color: var(--yellow); }
.section-head h2,
.intro h2,
.cta-panel h2,
.last h2 {
  margin: 0;
  font-size: clamp(28px, 4.6vw, 52px);
  line-height: 1.15;
  font-weight: 1000;
  letter-spacing: -0.04em;
}
.section-head p,
.intro p,
.cta-panel p,
.last p { margin: 16px auto 0; color: var(--muted); font-weight: 700; }
.section-head.light p,
.cta-panel p,
.last p { color: rgba(255,255,255,.78); }
.intro { position: relative; }
.intro::after {
  content: "";
  position: absolute;
  left: 50%; bottom: -24px;
  width: min(460px, 72vw); height: 12px;
  transform: translateX(-50%) rotate(-2deg);
  background: linear-gradient(90deg, var(--cyan), var(--pink), var(--yellow));
  border: 3px solid #000;
}
.intro .section-kicker { color: #000; }
.intro h2 { display: inline; background: linear-gradient(transparent 62%, var(--yellow) 62%); }
.intro p { font-size: 17px; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature-card {
  position: relative;
  min-height: 310px;
  padding: 30px 24px 26px;
  background: #fff;
  border: 4px solid #000;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.feature-card::after {
  content: "";
  position: absolute;
  right: -44px;
  bottom: -44px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: rgba(0,217,255,.20);
}
.feature-card.primary { border-color: #000; }
.feature-card.pink { box-shadow: 10px 12px 0 var(--pink); }
.feature-card.yellow { box-shadow: 10px 12px 0 var(--yellow); }
.card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 42px;
  margin-bottom: 20px;
  background: #000;
  color: var(--yellow);
  font-weight: 1000;
  transform: rotate(-4deg);
}
.feature-card h3 {
  margin: 0;
  font-size: 29px;
  line-height: 1.15;
  font-weight: 1000;
}
.feature-card p { position: relative; z-index: 1; margin: 18px 0 0; font-weight: 700; color: #4c4c56; }

.diagonal { position: relative; padding: clamp(72px, 9vw, 110px) 0; overflow: hidden; }
.diagonal::before,
.diagonal::after {
  content: "";
  position: absolute;
  left: -10%;
  right: -10%;
  height: 34px;
  background: var(--cyan);
  transform: rotate(-2deg);
}
.diagonal::before { top: -18px; }
.diagonal::after { bottom: -18px; background: var(--pink); }
.check-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.check-card {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 78px;
  padding: 18px 20px;
  background: #fff;
  color: #000;
  border: 3px solid #000;
  border-radius: 18px;
  font-size: 18px;
  font-weight: 1000;
  box-shadow: 6px 6px 0 var(--cyan);
}
.check-card:nth-child(even) { box-shadow: 6px 6px 0 var(--pink); }
.check-card span {
  flex: 0 0 auto;
  width: 26px; height: 26px;
  background: var(--yellow);
  border: 3px solid #000;
  clip-path: polygon(14% 50%, 36% 72%, 88% 18%, 100% 31%, 38% 92%, 0 60%);
}

.support-list {
  display: grid;
  gap: 18px;
  width: min(890px, 100%);
  margin: 0 auto;
}
.support-item {
  display: grid;
  grid-template-columns: 70px 1fr;
  align-items: start;
  gap: 18px;
  padding: 24px;
  background: #fff;
  border: 3px solid #000;
  border-radius: 20px;
  box-shadow: 8px 8px 0 #e9e9f4;
}
.support-item .icon {
  display: grid;
  place-items: center;
  width: 62px; height: 62px;
  border-radius: 18px;
  background: var(--cyan);
  border: 3px solid #000;
  box-shadow: 5px 5px 0 var(--yellow);
  font-size: 25px;
  font-weight: 1000;
}
.support-item:nth-child(2) .icon { background: var(--pink); color: #fff; }
.support-item:nth-child(3) .icon { background: var(--yellow); }
.support-item h3 { margin: 0; font-size: 24px; font-weight: 1000; }
.support-item p { margin: 8px 0 0; color: #5a5a66; font-weight: 700; }

.flow-list {
  counter-reset: flow;
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.flow-list li {
  position: relative;
  padding: 24px 20px;
  background: #fff;
  border: 3px solid #000;
  border-radius: 20px;
  box-shadow: 7px 7px 0 var(--cyan);
}
.flow-list li:nth-child(even) { box-shadow: 7px 7px 0 var(--pink); }
.flow-list span {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 4px 10px;
  background: #000;
  color: var(--yellow);
  font-weight: 1000;
  font-size: 13px;
}
.flow-list h3 { margin: 0; font-size: 20px; font-weight: 1000; }
.flow-list p { margin: 10px 0 0; color: #5e5e68; font-weight: 700; font-size: 14px; }

.line-cta { padding: clamp(64px, 8vw, 96px) 0; }
.cta-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 28px;
  padding: clamp(28px, 5vw, 52px);
  border: 4px solid #fff;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(255,37,200,.20), rgba(0,217,255,.16));
  box-shadow: 12px 12px 0 var(--yellow);
}

.faq-list {
  display: grid;
  gap: 10px;
}
.faq-q {
  position: relative;
  width: 100%;
  padding: 19px 58px 19px 20px;
  text-align: left;
  border: 3px solid #000;
  border-radius: 16px;
  background: #fff;
  color: #111;
  font-weight: 1000;
  cursor: pointer;
  box-shadow: 5px 5px 0 #eeeef5;
}
.faq-q::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--pink);
  font-size: 28px;
  line-height: 1;
}
.faq-q[aria-expanded="true"]::after { content: "−"; }
.faq-a {
  display: none;
  margin: -4px 0 10px;
  padding: 0 20px 18px;
  color: #595964;
  font-weight: 700;
}
.faq-a.open { display: block; }
.faq-a p { margin: 0; }

.last { padding: clamp(70px, 9vw, 110px) 0; text-align: center; }
.last-inner img { width: min(430px, 78vw); margin: 0 auto 26px; }
.last h2 { text-shadow: 4px 4px 0 #000, 7px 7px 0 var(--pink); }

.footer { background: #000; color: #fff; padding: 24px 0 90px; border-top: 4px solid var(--cyan); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.footer img { width: 150px; }
.footer p { margin: 0; color: rgba(255,255,255,.72); font-size: 13px; }
.footer a { color: #fff; text-decoration: underline; }

.sticky-cta {
  position: fixed;
  left: 50%;
  bottom: 16px;
  z-index: 60;
  width: min(520px, calc(100% - 28px));
  transform: translateX(-50%);
  display: none;
}
.sticky-cta a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  border-radius: 999px;
  border: 3px solid #000;
  background: var(--line);
  color: #fff;
  font-weight: 1000;
  box-shadow: 6px 6px 0 var(--yellow), 10px 10px 0 var(--pink);
}

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .08s; }
.delay-2 { transition-delay: .16s; }
.delay-3 { transition-delay: .24s; }
.sp-only { display: none; }

@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-copy { order: 1; }
  .hero-visual { order: 2; }
  .feature-grid,
  .flow-list { grid-template-columns: 1fr 1fr; }
  .cta-panel { grid-template-columns: 1fr; text-align: center; }
  .cta-panel .cta-button { margin-inline: auto; }
}

@media (max-width: 640px) {
  .site-header { height: 64px; padding: 8px 14px; }
  .brand img { width: 144px; }
  .x-link { display: none; }
  .mini-cta { height: 36px; padding: 0 12px; font-size: 12px; }
  .hero { padding: 34px 0 42px; }
  .hero-inner { width: min(100% - 28px, 440px); gap: 26px; }
  .eyebrow span { padding: 7px 11px; font-size: 12px; box-shadow: 4px 4px 0 var(--cyan), -3px -3px 0 var(--pink); }
  .hero h1 { font-size: clamp(36px, 11.5vw, 52px); text-shadow: 3px 3px 0 #000, 5px 5px 0 var(--pink); }
  .hero h1 span { -webkit-text-stroke: 1px #000; text-shadow: 3px 3px 0 #000, 5px 5px 0 var(--yellow); }
  .lead { font-size: 15px; margin-top: 18px; }
  .hero-badges { gap: 8px; margin-top: 18px; }
  .hero-badges span { font-size: 11px; min-height: 31px; padding: 5px 9px; }
  .cta-row { margin-top: 24px; }
  .cta-button { width: 100%; min-height: 62px; min-width: 0; font-size: 17px; box-shadow: 6px 6px 0 var(--yellow), 9px 9px 0 var(--pink); }
  .cta-button::after { right: 18px; }
  .sub-button { width: 100%; min-height: 48px; }
  .hero-frame { padding: 6px; border-width: 3px; box-shadow: 7px 7px 0 var(--cyan), 12px 12px 0 var(--pink); transform: rotate(0); }
  .hero-frame::before { width: 50px; height: 50px; inset: -12px auto auto -12px; }
  .ticker { font-size: 12px; margin-top: 20px; }
  .section-white, .section-pop, .diagonal, .line-cta, .last { padding-block: 58px; }
  .section-head { margin-bottom: 28px; }
  .section-head h2, .intro h2, .cta-panel h2, .last h2 { font-size: clamp(28px, 9vw, 38px); }
  .intro p, .section-head p, .cta-panel p, .last p { font-size: 14px; }
  .feature-grid,
  .check-grid,
  .flow-list { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; padding: 25px 20px; box-shadow: 7px 7px 0 #000; }
  .feature-card.pink { box-shadow: 7px 7px 0 var(--pink); }
  .feature-card.yellow { box-shadow: 7px 7px 0 var(--yellow); }
  .feature-card h3 { font-size: 26px; }
  .check-card { min-height: 62px; font-size: 15px; padding: 14px 15px; }
  .support-item { grid-template-columns: 48px 1fr; padding: 18px; gap: 14px; }
  .support-item .icon { width: 46px; height: 46px; border-radius: 14px; font-size: 18px; }
  .support-item h3 { font-size: 19px; }
  .support-item p, .flow-list p { font-size: 13px; }
  .cta-panel { border-width: 3px; padding: 26px 18px; border-radius: 22px; box-shadow: 7px 7px 0 var(--yellow); }
  .faq-q { padding: 16px 48px 16px 16px; font-size: 14px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer img { width: 134px; }
  .sticky-cta { display: block; }
  .sp-only { display: inline; }
}