:root {
  --acid: #EAFF19;
  --acid-hot: #F3FF4D;
  --paper: #FFFDF8;
  --ink: #101010;
  --blue: #125BE8;
  --coral: #FF5A3D;
  --fern: #073F2A;
  --display: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  --body: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --spring: cubic-bezier(0.18, 1.46, 0.28, 1);
  color: var(--ink);
  font-family: var(--body);
  font-synthesis: none;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { min-width: 320px; margin: 0; background: var(--paper); }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }

.hero {
  position: relative;
  overflow: hidden;
  min-height: min(900px, 100svh);
  border-bottom: 4px solid var(--ink);
  background-color: var(--acid);
  background-image: radial-gradient(rgba(16, 16, 16, .2) 1px, transparent 1.3px);
  background-size: 7px 7px;
}

.site-header, .hero-layout { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.site-header { position: relative; z-index: 5; display: flex; align-items: center; justify-content: space-between; padding: 28px 0; }
.wordmark { color: var(--ink); font-family: var(--display); font-size: clamp(1.7rem, 2.6vw, 2.4rem); letter-spacing: -.035em; line-height: 1; text-decoration: none; }
.wordmark span { color: var(--blue); }
.campaign-stamp { border: 2px solid var(--ink); margin: 0; padding: 8px 11px; background: var(--paper); box-shadow: 4px 4px 0 var(--ink); font-size: .7rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }

.hero-layout { position: relative; z-index: 2; display: grid; min-height: 760px; grid-template-columns: minmax(0, 1.1fr) minmax(370px, .9fr); align-items: center; gap: 22px; padding: 32px 0 72px; }
.hero-copy { position: relative; z-index: 3; }
.offer-ticket { display: inline-flex; overflow: hidden; border: 2px solid var(--ink); margin: 0 0 20px; box-shadow: 4px 4px 0 var(--ink); transform: rotate(-1deg); }
.offer-ticket span, .offer-ticket strong { padding: 10px 13px; font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; }
.offer-ticket span { color: var(--paper); background: var(--blue); font-weight: 900; }
.offer-ticket strong { background: var(--paper); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--display); font-weight: 900; letter-spacing: -.04em; line-height: .84; text-transform: uppercase; }
h1 { max-width: 750px; margin-bottom: 24px; font-size: clamp(4.5rem, 8.3vw, 8.5rem); }
h1 em { color: var(--blue); font-style: normal; }
.lede { max-width: 565px; margin-bottom: 28px; color: var(--ink); font-size: clamp(1rem, 1.6vw, 1.25rem); font-weight: 700; line-height: 1.35; }
.actions { display: grid; width: min(100%, 470px); gap: 14px; }
.primary-action { display: flex; min-height: 64px; align-items: center; justify-content: space-between; border: 2px solid var(--ink); border-radius: 8px; padding: 0 18px 0 22px; color: var(--paper); background: var(--blue); box-shadow: 0 6px 0 var(--ink); font-size: 1rem; font-weight: 900; text-decoration: none; transition: transform 180ms var(--spring), box-shadow 180ms var(--spring); }
.primary-action b { font-size: 1.75rem; line-height: 1; }
.primary-action:hover { transform: translateY(-3px) rotate(-.4deg); box-shadow: 0 9px 0 var(--ink); }
.primary-action:active { transform: translateY(5px); box-shadow: 0 1px 0 var(--ink); }
.offer-link { justify-self: start; border: 0; border-bottom: 2px solid currentColor; padding: 3px 0; color: var(--ink); background: transparent; cursor: pointer; font-size: .85rem; font-weight: 800; }
.offer-link:hover { color: var(--blue); }
.route-note { width: min(100%, 510px); margin: 17px 0 0; font-size: .75rem; font-weight: 650; line-height: 1.4; }

.mascot-stage { position: relative; align-self: end; min-height: 630px; }
.mascot { position: absolute; z-index: 2; right: -2%; bottom: -2%; width: min(540px, 47vw); filter: drop-shadow(0 10px 0 rgba(16, 16, 16, .18)); }
.spoiler-card { position: absolute; z-index: 1; top: 12%; left: -8%; width: 340px; border: 3px solid var(--ink); padding: 22px; background: var(--paper); box-shadow: 8px 8px 0 var(--ink); transform: rotate(4deg); }
.spoiler-card p { margin-bottom: 10px; font-size: 1rem; font-weight: 800; }
.spoiler-card span { display: block; width: 86%; height: 26px; background: var(--ink); }
.spoiler-card small { display: block; margin-top: 11px; color: var(--coral); font-size: .68rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.fern { position: absolute; z-index: 1; width: min(60vw, 850px); pointer-events: none; user-select: none; }
.fern--lower { bottom: -27%; left: -26%; }
.fern--upper { top: -34%; right: -26%; }

.offer-detail { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, .75fr); gap: clamp(32px, 8vw, 130px); border-bottom: 4px solid var(--ink); padding: 55px max(24px, calc((100% - 1180px) / 2)); color: var(--paper); background: var(--blue); }
.offer-detail h2 { max-width: 700px; margin-bottom: 0; font-size: clamp(2.4rem, 4vw, 4.3rem); }
.offer-detail p:last-child { align-self: end; margin: 0; font-size: .95rem; font-weight: 650; line-height: 1.5; }
.section-label { margin-bottom: 11px; color: var(--blue); font-size: .72rem; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.offer-detail .section-label { color: var(--acid); }

.how { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(48px, 7vw, 120px); padding: 100px max(24px, calc((100% - 1180px) / 2)); }
.how h2 { margin-bottom: 0; font-size: clamp(3.2rem, 5.2vw, 5.7rem); }
.how ol { margin: 0; padding: 0; list-style: none; }
.how li { display: grid; grid-template-columns: 58px 1fr; gap: 18px; border-top: 2px solid var(--ink); padding: 25px 0; }
.how li:last-child { border-bottom: 2px solid var(--ink); }
.how li > b { display: grid; width: 52px; height: 52px; place-items: center; color: var(--acid); background: var(--ink); font-family: var(--display); font-size: 1.5rem; }
.how h3 { margin-bottom: 7px; font-size: 1.6rem; }
.how li p { max-width: 590px; margin: 0; color: #4c504c; font-size: .96rem; line-height: 1.5; }

.final-panel { position: relative; display: grid; min-height: 600px; grid-template-columns: minmax(0, 1fr) minmax(300px, .8fr); align-items: center; gap: 30px; overflow: hidden; border-top: 4px solid var(--ink); padding: 70px max(24px, calc((100% - 1180px) / 2)); color: var(--paper); background: var(--ink); }
.final-panel .section-label { color: var(--acid); }
.final-panel h2 { max-width: 780px; margin: 0 0 32px; font-size: clamp(3.7rem, 6vw, 6.8rem); }
.final-panel h2 span { color: var(--acid); }
.final-panel > img { width: min(480px, 100%); align-self: end; justify-self: center; }
.primary-action--acid { max-width: 430px; color: var(--ink); background: var(--acid); box-shadow-color: var(--blue); }

:focus-visible { outline: 4px solid var(--blue); outline-offset: 4px; }
.primary-action:focus-visible { outline-color: var(--ink); }

@media (max-width: 820px) {
  .site-header, .hero-layout { width: min(100% - 32px, 600px); }
  .site-header { padding-top: 20px; }
  .campaign-stamp { font-size: .59rem; text-align: center; }
  .hero { min-height: auto; }
  .hero-layout { min-height: 0; grid-template-columns: 1fr; padding: 36px 0 0; }
  h1 { font-size: clamp(4.45rem, 20vw, 6.9rem); }
  .mascot-stage { min-height: min(570px, 112vw); margin-top: -20px; }
  .mascot { right: 50%; bottom: -5%; width: min(500px, 96vw); transform: translateX(50%); }
  .spoiler-card { top: 6%; left: 2%; width: min(320px, 82vw); }
  .fern { width: 760px; }
  .fern--lower { bottom: -12%; left: -97%; }
  .fern--upper { top: 37%; right: -130%; }
  .offer-detail, .how, .final-panel { grid-template-columns: 1fr; }
  .offer-detail { gap: 24px; }
  .how { gap: 48px; padding-top: 76px; padding-bottom: 76px; }
  .final-panel { min-height: 720px; align-content: end; }
  .final-panel > img { width: min(430px, 100%); margin-bottom: -10%; }
}

@media (max-width: 480px) {
  .site-header, .hero-layout { width: calc(100% - 28px); }
  .wordmark { font-size: 1.55rem; }
  .campaign-stamp { max-width: 128px; padding: 6px 8px; }
  .hero-layout { padding-top: 26px; }
  .offer-ticket span, .offer-ticket strong { padding: 8px 9px; font-size: .62rem; }
  h1 { font-size: clamp(4rem, 20vw, 5.3rem); }
  .how, .final-panel, .offer-detail { padding-right: 18px; padding-left: 18px; }
  .how li { grid-template-columns: 48px 1fr; gap: 13px; }
  .how li > b { width: 44px; height: 44px; font-size: 1.2rem; }
  .how h3 { font-size: 1.35rem; }
  .spoiler-card { padding: 17px; }
}

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