@charset "UTF-8";

:root {
  --black: #111;
  --ink: #222;
  --muted: #6d6a63;
  --paper: #f6f3ea;
  --paper-2: #ebe5d6;
  --white: #fff;
  --yellow: #ffd400;
  --green: #143f35;
  --line: rgba(17, 17, 17, 0.14);
  --max: 1160px;
  --side: clamp(22px, 6.2vw, 92px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(
        90deg,
        transparent calc(100% - 1px),
        rgba(17, 17, 17, 0.05) 1px
      )
      0 0 / 92px 92px,
    var(--paper);
  color: var(--ink);
  font-family:
    "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo,
    sans-serif;
  letter-spacing: 0;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  top: 22px;
  left: var(--side);
  right: var(--side);
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 14px 0;
  border-bottom: 1px solid rgba(17, 17, 17, 0.16);
  mix-blend-mode: normal;
}

.brand {
  display: inline-flex;
  width: 188px;
  padding: 8px 10px;
  background: rgba(246, 243, 234, 0.86);
  backdrop-filter: blur(12px);
}

.brand img,
.footer img {
  width: 100%;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 28px;
  font-size: 12px;
  font-weight: 900;
}

.nav a {
  color: rgba(17, 17, 17, 0.6);
}

.nav-entry {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  background: var(--black);
  color: var(--white);
  font-size: 12px;
  font-weight: 900;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(560px, 1.05fr) minmax(420px, 0.82fr);
  gap: clamp(46px, 6vw, 96px);
  max-width: 1380px;
  min-height: 100svh;
  margin: 0 auto;
  padding: 144px var(--side) 52px;
}

.hero::before {
  position: absolute;
  top: 132px;
  right: clamp(60px, 8vw, 150px);
  width: min(30vw, 400px);
  height: min(30vw, 400px);
  border: 22px solid rgba(255, 212, 0, 0.64);
  transform: rotate(45deg);
  content: "";
  pointer-events: none;
}

.tagline,
.label,
.section-head p {
  margin: 0 0 20px;
  color: #a78900;
  font-size: 12px;
  font-weight: 950;
}

.hero-copy {
  position: relative;
  z-index: 1;
  align-self: center;
  padding-top: 12px;
}

.hero h1 {
  margin: 0;
  max-width: 720px;
  color: var(--black);
  font-size: clamp(70px, 7.1vw, 112px);
  line-height: 1;
  font-weight: 950;
}

.hero-lead {
  max-width: 640px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.55vw, 19px);
  font-weight: 700;
  line-height: 2;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border: 1px solid var(--black);
  font-weight: 950;
  transition:
    transform 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--yellow);
  color: var(--black);
}

.button-ghost {
  background: transparent;
}

.button-dark {
  background: var(--black);
  color: var(--white);
}

.hero-visual {
  position: relative;
  z-index: 1;
  align-self: center;
}

.hero-main-img {
  width: 100%;
  height: min(62vh, 640px);
  min-height: 520px;
  object-fit: cover;
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
  filter: saturate(0.94) contrast(1.05);
}

.hero-note {
  position: absolute;
  right: -18px;
  bottom: 34px;
  min-width: 210px;
  padding: 20px;
  background: var(--black);
  color: var(--white);
}

.hero-note span {
  display: block;
  margin-bottom: 10px;
  color: var(--yellow);
  font-size: 12px;
  font-weight: 950;
}

.hero-note strong {
  font-size: 24px;
}

.hero-bottom {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.hero-bottom div {
  padding: 22px 26px;
  border-right: 1px solid var(--line);
}

.hero-bottom div:last-child {
  border-right: 0;
}

.hero-bottom span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 950;
}

.hero-bottom strong {
  color: var(--black);
  font-size: clamp(22px, 3vw, 38px);
  font-weight: 950;
}

.ticker {
  overflow: hidden;
  background: var(--black);
  color: var(--yellow);
}

.ticker div {
  display: flex;
  width: max-content;
  gap: 42px;
  padding: 14px 0;
  font-size: clamp(28px, 5vw, 70px);
  font-weight: 950;
  white-space: nowrap;
  animation: ticker 26s linear infinite;
}

.section {
  max-width: 1380px;
  margin: 0 auto;
  padding: clamp(76px, 10vw, 132px) var(--side);
}

.section-head h2,
.entry-copy h2,
.venue-copy h2,
.apply-box h2 {
  margin: 0;
  color: var(--black);
  font-size: clamp(36px, 5.3vw, 72px);
  line-height: 1.08;
  font-weight: 950;
}

.section-head > span {
  display: block;
  max-width: 430px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.9;
}

.about {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 0.7fr);
  gap: clamp(34px, 8vw, 108px);
  align-items: end;
}

.about-text p,
.entry-copy p,
.point p,
.flow p,
.venue-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  font-weight: 650;
  line-height: 2;
}

.points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 0;
}

.point {
  min-height: 300px;
  padding: 34px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-top: 5px solid var(--black);
}

.point span {
  color: #a78900;
  font-size: 12px;
  font-weight: 950;
}

.point h3 {
  margin: 38px 0 18px;
  color: var(--black);
  font-size: 25px;
  line-height: 1.35;
}

.entry {
  display: grid;
  grid-template-columns: minmax(460px, 0.82fr) minmax(460px, 0.84fr);
  gap: clamp(56px, 8vw, 118px);
  align-items: center;
}

.entry-visual img {
  width: 100%;
  aspect-ratio: 1.03;
  object-fit: cover;
  filter: grayscale(0.12);
}

.entry-list {
  display: grid;
  gap: 0;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.entry-list li {
  display: flex;
  align-items: center;
  min-height: 64px;
  border-bottom: 1px solid var(--line);
  color: var(--black);
  font-size: 20px;
  font-weight: 950;
}

.entry-list li::before {
  width: 12px;
  height: 12px;
  margin-right: 16px;
  background: var(--yellow);
  transform: rotate(45deg);
  content: "";
}

.entry-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.entry-stats div {
  padding: 24px;
  background: var(--black);
  color: var(--white);
}

.entry-stats strong {
  display: block;
  font-size: 58px;
  line-height: 1;
  font-weight: 950;
}

.entry-stats span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  font-weight: 850;
}

.prize {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 212, 0, 0.18), transparent 32%),
    var(--black);
  color: var(--white);
}

.prize .section-head h2 {
  color: var(--white);
}

.prize .section-head > span {
  color: rgba(255, 255, 255, 0.68);
}

.prize-inner {
  display: grid;
  grid-template-columns: minmax(320px, 0.36fr) 1fr;
  gap: clamp(32px, 7vw, 86px);
  align-items: center;
}

.prize-stage {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, 0.72fr);
  gap: 16px;
}

.prize-stage::before {
  position: absolute;
  inset: -34px -20px auto auto;
  width: 190px;
  height: 190px;
  border: 18px solid var(--yellow);
  transform: rotate(45deg);
  opacity: 0.28;
  content: "";
}

.grand-prize,
.sub-prizes article {
  position: relative;
  z-index: 1;
}

.grand-prize {
  min-height: 390px;
  display: grid;
  align-content: space-between;
  padding: clamp(30px, 5vw, 54px);
  background: var(--yellow);
  color: var(--black);
}

.rank {
  display: inline-flex;
  width: fit-content;
  padding: 9px 15px;
  background: var(--black);
  color: var(--white);
  font-size: 14px;
  font-weight: 950;
}

.amount {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  margin-top: 34px;
  white-space: nowrap;
}

.amount strong {
  font-size: clamp(86px, 12vw, 150px);
  line-height: 0.82;
  font-weight: 950;
}

.amount span {
  padding-bottom: 8px;
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 950;
}

.grand-prize p {
  max-width: 360px;
  margin: 34px 0 0;
  color: rgba(17, 17, 17, 0.72);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.8;
}

.sub-prizes {
  display: grid;
  gap: 16px;
}

.sub-prizes article {
  min-height: 187px;
  display: grid;
  align-content: space-between;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
}

.sub-prizes span {
  color: var(--yellow);
  font-size: 14px;
  font-weight: 950;
}

.sub-prizes strong {
  color: var(--white);
  font-size: clamp(44px, 5.4vw, 72px);
  line-height: 1;
  font-weight: 950;
}

.judging {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  align-items: start;
}

.judging-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.judging-list article {
  min-height: 178px;
  display: grid;
  align-content: space-between;
  padding: 24px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-top: 5px solid var(--black);
}

.judging-list h3 {
  margin: 28px 0 0;
  color: var(--black);
  font-size: clamp(18px, 1.55vw, 24px);
  line-height: 1.34;
  font-weight: 950;
}

.judge-icon {
  position: relative;
  display: inline-grid;
  width: 54px;
  height: 54px;
  place-items: center;
  background: var(--yellow);
}

.judge-icon::before,
.judge-icon::after {
  position: absolute;
  content: "";
}

.judge-icon.impact::before {
  width: 24px;
  height: 24px;
  border: 4px solid var(--black);
  border-radius: 50%;
}

.judge-icon.impact::after {
  width: 38px;
  height: 2px;
  background: var(--black);
}

.judge-icon.growth::before {
  width: 26px;
  height: 26px;
  border-left: 4px solid var(--black);
  border-top: 4px solid var(--black);
  transform: rotate(45deg) translate(3px, 5px);
}

.judge-icon.growth::after {
  width: 4px;
  height: 30px;
  background: var(--black);
  transform: translateY(6px);
}

.judge-icon.feasibility::before {
  width: 28px;
  height: 18px;
  border: 4px solid var(--black);
}

.judge-icon.feasibility::after {
  width: 16px;
  height: 8px;
  border-left: 4px solid var(--black);
  border-bottom: 4px solid var(--black);
  transform: rotate(-45deg);
}

.judge-icon.founder::before {
  top: 12px;
  width: 15px;
  height: 15px;
  border: 4px solid var(--black);
  border-radius: 50%;
}

.judge-icon.founder::after {
  bottom: 10px;
  width: 30px;
  height: 18px;
  border: 4px solid var(--black);
  border-bottom: 0;
  border-radius: 18px 18px 0 0;
}

.judge-icon.original::before {
  width: 24px;
  height: 24px;
  border: 4px solid var(--black);
  transform: rotate(45deg);
}

.judge-icon.original::after {
  width: 8px;
  height: 8px;
  background: var(--black);
}

.flow-line {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 44px;
  border-top: 1px solid var(--line);
}

.flow-line article {
  position: relative;
  min-height: 260px;
  padding: 34px 28px 0 0;
}

.flow-line article::before {
  position: absolute;
  top: -8px;
  left: 0;
  width: 15px;
  height: 15px;
  background: var(--yellow);
  border: 2px solid var(--black);
  content: "";
}

.flow-line time {
  color: #a78900;
  font-size: 13px;
  font-weight: 950;
}

.flow-line h3 {
  margin: 30px 0 12px;
  color: var(--black);
  font-size: 25px;
}

.venue {
  background: var(--green);
  color: var(--white);
}

.venue-inner {
  display: grid;
  grid-template-columns: minmax(420px, 0.78fr) minmax(480px, 0.88fr);
  gap: clamp(34px, 8vw, 102px);
  align-items: center;
}

.venue-copy h2,
.venue-copy p {
  color: var(--white);
}

.venue-copy p {
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.76);
}

.venue-copy a {
  display: inline-flex;
  margin-top: 28px;
  color: var(--yellow);
  font-weight: 950;
}

.venue-img {
  width: 100%;
  aspect-ratio: 1.15;
  object-fit: cover;
}

.apply {
  padding-top: clamp(72px, 9vw, 112px);
  padding-bottom: clamp(72px, 9vw, 112px);
}

.apply-box {
  padding: clamp(44px, 7vw, 84px);
  background: var(--yellow);
  color: var(--black);
  text-align: center;
}

.apply-box p {
  margin: 0 0 16px;
  font-size: 12px;
  font-weight: 950;
}

.apply-box .button {
  margin-top: 32px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px var(--side);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.footer img {
  width: 160px;
  background: var(--paper);
}

.reveal {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes ticker {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}

@media (max-width: 900px) {
  .site-header {
    top: 14px;
    grid-template-columns: auto auto;
    left: 18px;
    right: 18px;
    padding: 0;
    border-bottom: 0;
  }

  .brand {
    width: 134px;
  }

  .nav {
    display: none;
  }

  .nav-entry {
    min-height: 42px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 112px 22px 36px;
  }

  .hero::before {
    top: 100px;
    right: 20px;
    width: 210px;
    height: 210px;
    border-width: 16px;
  }

  .hero-copy {
    padding-top: 0;
  }

  .hero h1 {
    font-size: clamp(58px, 16vw, 84px);
  }

  .hero-main-img {
    height: 390px;
    min-height: 390px;
  }

  .hero-note {
    right: 12px;
    bottom: 18px;
  }

  .hero-bottom,
  .about,
  .points,
  .entry,
  .prize-inner,
  .judging,
  .flow-line,
  .venue-inner {
    grid-template-columns: 1fr;
  }

  .hero-bottom div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .hero-bottom div:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 72px 22px;
  }

  .points {
    padding-top: 0;
  }

  .point {
    min-height: auto;
    padding: 28px 22px;
  }

  .judging-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .judging-list article {
    min-height: 178px;
  }

  .prize-stage {
    grid-template-columns: 1fr;
  }

  .grand-prize {
    min-height: 340px;
  }

  .sub-prizes {
    grid-template-columns: 1fr 1fr;
  }

  .flow-line article {
    min-height: auto;
    padding: 30px 0 36px;
    border-bottom: 1px solid var(--line);
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 22px;
  }
}

@media (max-width: 520px) {
  .hero-actions,
  .button {
    width: 100%;
  }

  .hero-actions {
    display: grid;
  }

  .hero-note {
    min-width: 174px;
  }

  .hero-note strong {
    font-size: 19px;
  }

  .entry-stats,
  .sub-prizes,
  .judging-list {
    grid-template-columns: 1fr;
  }
}