:root {
  --navy: #172554;
  --blue: #1d4ed8;
  --sky: #38bdf8;
  --aqua: #67e8f9;
  --yellow: #fbbf24;
  --ink: #172033;
  --muted: #667085;
  --paper: #f7f9ff;
  --line: #dbe3f4;
  --white: #ffffff;
  --shadow: 0 20px 50px rgba(23, 37, 84, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 4% 8%, rgba(103, 232, 249, 0.22), transparent 25rem),
    var(--paper);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.75;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  color: var(--white);
  background: var(--navy);
  border-radius: 0.6rem;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(219, 227, 244, 0.85);
  background: rgba(247, 249, 255, 0.88);
  backdrop-filter: blur(16px);
}

.header-inner,
.hero,
.new-section,
.collection-section,
.games-section,
.about-section,
.site-footer {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.header-inner {
  min-height: 4.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  text-decoration: none;
}

.brand-mark {
  color: var(--yellow);
  font-size: 1.65rem;
  line-height: 1;
}

.brand-name {
  color: var(--navy);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1.32rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.brand-reading {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.7rem;
}

.main-nav a {
  color: #3f4b67;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--blue);
}

.hero {
  min-height: 42rem;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  gap: 4rem;
  padding-block: 6.5rem 5rem;
}

.eyebrow,
.section-kicker {
  margin: 0 0 1rem;
  color: var(--blue);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.77rem;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.eyebrow span {
  margin-right: 0.45rem;
  color: var(--yellow);
}

.hero h1 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(3rem, 7vw, 5.6rem);
  line-height: 1.08;
  letter-spacing: -0.055em;
}

.hero h1 span {
  position: relative;
  display: inline-block;
  color: var(--blue);
}

.hero h1 span::after {
  position: absolute;
  right: -0.15rem;
  bottom: -0.2rem;
  left: -0.15rem;
  height: 0.42rem;
  background: var(--yellow);
  border-radius: 999px;
  content: "";
  transform: rotate(-1.2deg);
}

.hero-lead {
  max-width: 35rem;
  margin: 2rem 0 0;
  color: #536078;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2.2rem;
}

.button {
  display: inline-flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  border: 2px solid var(--navy);
  border-radius: 0.85rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

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

.button-primary {
  color: var(--white);
  background: var(--navy);
  box-shadow: 6px 6px 0 var(--yellow);
}

.button-secondary {
  background: var(--white);
}

.hero-board {
  position: relative;
  min-height: 31rem;
  overflow: hidden;
  border: 2px solid var(--navy);
  border-radius: 2rem;
  background:
    linear-gradient(rgba(255, 255, 255, 0.76), rgba(255, 255, 255, 0.76)),
    repeating-linear-gradient(0deg, transparent 0 31px, rgba(29, 78, 216, 0.08) 31px 32px),
    repeating-linear-gradient(90deg, transparent 0 31px, rgba(29, 78, 216, 0.08) 31px 32px);
  box-shadow: 14px 14px 0 var(--aqua);
}

.orbit {
  position: absolute;
  border: 1px dashed rgba(29, 78, 216, 0.25);
  border-radius: 50%;
}

.orbit-one {
  inset: 12% 16%;
}

.orbit-two {
  inset: 25% 5%;
  transform: rotate(25deg);
}

.hero-tile {
  position: absolute;
  width: 11rem;
  padding: 1rem;
  border: 2px solid var(--navy);
  border-radius: 1.15rem;
  background: var(--white);
  box-shadow: 6px 6px 0 rgba(23, 37, 84, 0.18);
}

.hero-tile span:not(.tile-icon) {
  display: block;
  margin-top: 0.4rem;
  color: var(--blue);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.hero-tile strong {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.95rem;
}

.tile-icon {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  border-radius: 0.7rem;
  background: var(--aqua);
  font-size: 1.4rem;
  font-weight: 900;
}

.tile-tool {
  top: 2.8rem;
  right: 2.3rem;
  transform: rotate(4deg);
}

.tile-game {
  bottom: 3rem;
  left: 2.2rem;
  transform: rotate(-4deg);
}

.tile-game .tile-icon {
  background: var(--yellow);
}

.hero-center {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 11.8rem;
  height: 11.8rem;
  place-content: center;
  border: 2px solid var(--navy);
  border-radius: 50%;
  color: var(--navy);
  background: var(--white);
  box-shadow: inset 0 0 0 0.7rem rgba(103, 232, 249, 0.55);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1.15;
  text-align: center;
  transform: translate(-50%, -50%);
}

.hero-center b {
  color: var(--yellow);
  font-size: 1.8rem;
}

.new-section,
.collection-section,
.about-section {
  padding-block: 5rem;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
}

.section-heading h2,
.about-section h2,
.games-copy h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.section-heading > p {
  max-width: 24rem;
  margin: 0;
  color: var(--muted);
}

.featured-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  border: 2px solid var(--navy);
  border-radius: 1.7rem;
  background: var(--white);
  box-shadow: var(--shadow);
}

.featured-visual {
  position: relative;
  min-height: 22rem;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  padding: 2rem;
  background: var(--aqua);
}

.measure-grid {
  position: absolute;
  inset: 1.3rem;
  border: 1px solid rgba(23, 37, 84, 0.2);
  border-radius: 1rem;
  background:
    repeating-linear-gradient(0deg, transparent 0 31px, rgba(23, 37, 84, 0.11) 31px 32px),
    repeating-linear-gradient(90deg, transparent 0 31px, rgba(23, 37, 84, 0.11) 31px 32px);
}

.measure-item,
.measure-equals {
  position: relative;
  z-index: 1;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 900;
}

.measure-item {
  min-width: 7.4rem;
  padding: 1.1rem 1rem;
  border: 2px solid var(--navy);
  border-radius: 1rem;
  color: var(--navy);
  background: var(--white);
  box-shadow: 5px 5px 0 var(--navy);
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  text-align: center;
  transform: rotate(-3deg);
}

.measure-meter {
  transform: rotate(3deg);
}

.measure-item span {
  margin-left: 0.25rem;
  font-family: inherit;
  font-size: 0.95rem;
}

.measure-equals {
  font-size: 2.2rem;
}

.featured-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 5vw, 4rem);
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.category,
.coming-pill,
.count-label {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.category {
  padding: 0.35rem 0.7rem;
  color: var(--navy);
  background: #cffafe;
}

.status {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.status i {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  margin-right: 0.35rem;
  border-radius: 50%;
  background: #16a34a;
}

.featured-copy h3 {
  margin: 1.2rem 0 0.65rem;
  color: var(--navy);
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  line-height: 1.3;
}

.featured-copy p {
  margin: 0;
  color: var(--muted);
}

.text-link {
  width: fit-content;
  margin-top: 1.4rem;
  color: var(--blue);
  font-weight: 900;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.3rem;
}

.collection-section {
  border-top: 1px solid var(--line);
}

.section-heading.compact {
  align-items: center;
}

.count-label {
  padding: 0.35rem 0.8rem;
  color: var(--blue);
  border: 1px solid #a5b4fc;
  background: var(--white);
  text-decoration: none;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.item-card {
  position: relative;
  min-height: 14rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: end;
  gap: 1.2rem;
  padding: 1.4rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1.3rem;
  background: var(--white);
  box-shadow: 0 10px 30px rgba(23, 37, 84, 0.07);
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

a.item-card:hover,
a.item-card:focus-visible {
  border-color: var(--blue);
  box-shadow: 0 16px 35px rgba(29, 78, 216, 0.13);
  transform: translateY(-3px);
}

.item-number {
  position: absolute;
  top: 1rem;
  right: 1.1rem;
  color: #9ba8be;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.75rem;
  font-weight: 900;
}

.item-symbol {
  display: grid;
  width: 4.3rem;
  height: 4.3rem;
  place-items: center;
  border: 2px solid var(--navy);
  border-radius: 1rem;
  color: var(--navy);
  background: var(--aqua);
  font-size: 2rem;
  font-weight: 900;
}

.item-content {
  display: flex;
  flex-direction: column;
  align-items: start;
}

.item-type {
  color: var(--blue);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.item-content strong {
  color: var(--navy);
  font-size: 1.35rem;
}

.item-content > span:last-child {
  color: var(--muted);
  font-size: 0.9rem;
}

.item-arrow {
  color: var(--blue);
  font-size: 1.6rem;
  font-weight: 900;
}

.item-card-coming {
  border-style: dashed;
  background: rgba(255, 255, 255, 0.45);
}

.item-card-coming .item-symbol {
  color: #7a86a0;
  border-color: #a8b3c7;
  background: #e7ebf3;
}

.symbol-motor {
  background: #fde68a;
}

.symbol-calendar {
  background: #bfdbfe;
}

.tools-page {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.tools-page-hero {
  padding: 6rem 0 3rem;
}

.tools-page-hero h1 {
  max-width: 13ch;
  margin: 0;
  color: var(--navy);
  font-size: clamp(3rem, 7vw, 5.3rem);
  line-height: 1.08;
  letter-spacing: -0.055em;
}

.tools-page-hero > p:last-child {
  max-width: 35rem;
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.tools-list {
  width: 100%;
  padding-top: 3rem;
}

.games-section {
  min-height: 25rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
  margin-block: 4rem;
  padding: clamp(2.5rem, 6vw, 5rem);
  overflow: hidden;
  border-radius: 2rem;
  color: var(--white);
  background: var(--navy);
}

.section-kicker.light {
  color: var(--aqua);
}

.games-copy h2 {
  color: var(--white);
}

.games-copy > p:not(.section-kicker) {
  max-width: 36rem;
  color: #ced8f1;
}

.coming-pill {
  margin-top: 1rem;
  padding: 0.5rem 0.9rem;
  color: var(--navy);
  background: var(--yellow);
  text-decoration: none;
}

.game-pattern {
  position: relative;
  min-height: 18rem;
}

.game-pattern span,
.game-pattern a {
  position: absolute;
  display: grid;
  width: 6rem;
  height: 6rem;
  place-items: center;
  border: 2px solid var(--white);
  border-radius: 1.4rem;
  font-size: 2rem;
  font-weight: 900;
  text-decoration: none;
  transition: transform 160ms ease;
}

.game-pattern a:hover,
.game-pattern a:focus-visible {
  transform: translateY(-4px) rotate(0deg);
}

.game-pattern a:nth-child(1) {
  top: 0;
  left: 30%;
  color: var(--navy);
  background: var(--aqua);
  transform: rotate(8deg);
}

.game-pattern a:nth-child(2) {
  top: 34%;
  right: 4%;
  color: var(--navy);
  background: var(--yellow);
  transform: rotate(-8deg);
}

.game-pattern a:nth-child(3) {
  bottom: 0;
  left: 20%;
  color: var(--white);
  background: var(--blue);
  transform: rotate(-5deg);
}

.game-pattern span:nth-child(4) {
  top: 42%;
  left: 0;
  color: var(--yellow);
  background: transparent;
  transform: rotate(12deg);
}

.about-section {
  padding-bottom: 7rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 2px solid var(--navy);
}

.about-grid p {
  margin: 0;
  color: #536078;
  font-size: 1.04rem;
}

.about-grid strong {
  color: var(--blue);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 2rem;
  padding-block: 2.2rem 3rem;
  border-top: 1px solid var(--line);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--navy);
  font-family: Arial, Helvetica, sans-serif;
  letter-spacing: 0.08em;
}

.site-footer p,
.site-footer small {
  margin: 0;
  color: var(--muted);
}

:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 4px;
}

@media (max-width: 820px) {
  .main-nav {
    gap: 1rem;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 3.5rem;
    padding-block: 4.5rem;
  }

  .hero-copy {
    max-width: 40rem;
  }

  .hero-board {
    min-height: 26rem;
  }

  .featured-card,
  .games-section {
    grid-template-columns: 1fr;
  }

  .games-section {
    gap: 1rem;
  }

  .game-pattern {
    min-height: 14rem;
  }
}

@media (max-width: 620px) {
  .header-inner,
  .hero,
  .new-section,
  .collection-section,
  .games-section,
  .about-section,
  .site-footer {
    width: min(100% - 1.5rem, 1120px);
  }

  .header-inner {
    min-height: 4.3rem;
  }

  .brand-reading {
    display: none;
  }

  .main-nav a:nth-child(3) {
    display: none;
  }

  .main-nav {
    gap: 0.9rem;
  }

  .main-nav a {
    font-size: 0.82rem;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .hero h1 {
    font-size: clamp(2.75rem, 15vw, 4rem);
  }

  .hero-board {
    min-height: 24rem;
    border-radius: 1.4rem;
    box-shadow: 8px 8px 0 var(--aqua);
  }

  .hero-center {
    width: 9.5rem;
    height: 9.5rem;
    font-size: 1.1rem;
  }

  .hero-tile {
    width: 9.2rem;
  }

  .tile-tool {
    top: 1.3rem;
    right: 1rem;
  }

  .tile-game {
    bottom: 1.5rem;
    left: 0.8rem;
  }

  .section-heading,
  .section-heading.compact {
    align-items: start;
    flex-direction: column;
    gap: 0.7rem;
  }

  .section-heading > p {
    font-size: 0.9rem;
  }

  .featured-visual {
    min-height: 17rem;
    gap: 0.7rem;
    padding: 1rem;
  }

  .measure-item {
    min-width: 6.2rem;
    padding: 0.9rem 0.65rem;
    font-size: 1.55rem;
  }

  .measure-equals {
    font-size: 1.5rem;
  }

  .card-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    gap: 1.4rem;
  }

  .item-card {
    grid-template-columns: auto 1fr;
  }

  .item-arrow {
    display: none;
  }

  .games-section {
    margin-block: 2rem;
    border-radius: 1.4rem;
  }

  .game-pattern span,
  .game-pattern a {
    width: 4.6rem;
    height: 4.6rem;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}