:root {
  /* hoya palette */
  --hoya: #FF7A3D;
  --hoya-deep: #C04510;
  --hoya-darker: #8B2F08;
  --bg-soft: #fff4ee;
  --rule: #efd9c9;

  /* WASSYOI tokens */
  --m-ink: #1A1614;
  --m-ink-2: #44372E;
  --m-ink-3: rgba(26, 22, 20, 0.55);
  --m-cream: #FBF5E9;
  --m-paper: #F4ECDA;
  --m-red: #B31D00;
  --m-mustard: #E8B84A;

  --font-display: "Zen Kaku Gothic New", "Noto Sans JP", "Hiragino Sans", "Meiryo", system-ui, sans-serif;
  --font-body: "LINE Seed JP", "Noto Sans JP", "Hiragino Sans", "Meiryo", system-ui, sans-serif;
  --font-sans: var(--font-body);

  --wrap-max: 720px;
  --wrap-max-wide: 1100px;
  --wrap-pad: 24px;

  /* legacy aliases */
  --bg: var(--hoya);
  --accent: var(--hoya-deep);
  --accent-deep: var(--hoya-darker);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

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

html, body {
  font-family: var(--font-body);
  font-weight: 400;
  background: var(--m-cream);
  color: var(--m-ink);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

main { flex: 1 0 auto; }

img { max-width: 100%; height: auto; display: block; }
a { color: var(--hoya-deep); text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
a:hover { color: var(--hoya-darker); }

/* ========== Header ========== */
.wp-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251, 245, 233, 0.88);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(26, 22, 20, 0.08);
  flex-shrink: 0;
}

.wp-header__inner {
  max-width: var(--wrap-max-wide);
  margin: 0 auto;
  padding: 14px var(--wrap-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  flex-wrap: wrap;
  position: relative;
}

.wp-brand {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none;
  color: var(--hoya);
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: 0.02em;
  font-size: 22px;
  line-height: 1;
  transition: opacity 0.15s;
}

.wp-brand:hover { opacity: 0.82; color: var(--hoya); }

.wp-brand__icon {
  width: 32px; height: 32px;
  display: block;
  flex-shrink: 0;
}

.wp-brand__name { white-space: nowrap; }

.wp-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
  background: rgba(251, 245, 233, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(26, 22, 20, 0.1);
  box-shadow: 0 12px 24px rgba(26, 22, 20, 0.08);
  padding: 10px var(--wrap-pad) 16px;
  transform-origin: top;
  transform: scaleY(0.85);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.2s, opacity 0.2s;
}

.wp-nav.is-open {
  transform: scaleY(1);
  opacity: 1;
  pointer-events: auto;
}

.wp-nav a {
  padding: 12px 14px; border-radius: 8px;
  font-size: 14px; font-weight: 700;
  color: var(--m-ink-2); text-decoration: none;
  transition: background 0.12s, color 0.12s;
  letter-spacing: 0.06em;
}

.wp-nav a:hover { background: rgba(26, 22, 20, 0.06); color: var(--m-ink); }

.wp-nav a.is-current { color: var(--hoya-deep); background: rgba(192, 69, 16, 0.08); }

.wp-hamburger {
  display: inline-flex;
  background: transparent;
  border: 0;
  padding: 8px 6px;
  cursor: pointer;
  width: 38px;
  height: 38px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.wp-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--m-ink);
  border-radius: 1px;
  transition: transform 0.22s, opacity 0.18s;
  transform-origin: center;
}

.wp-hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.wp-hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.wp-hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.m-hachimaki {
  height: 12px;
  background:
    repeating-linear-gradient(
      90deg,
      var(--m-red) 0 24px,
      #fff 24px 32px,
      var(--m-mustard) 32px 56px,
      #fff 56px 64px,
      var(--m-ink) 64px 80px,
      #fff 80px 88px
    );
  border-top: 1.5px solid var(--m-ink);
  border-bottom: 1.5px solid var(--m-ink);
}

/* ========== Shared bits ========== */
.wp-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--m-ink-3);
  display: inline-block;
  margin-bottom: 18px;
}

/* ========== Hero (index page) ========== */
.wp-hero {
  position: relative;
  padding: 72px var(--wrap-pad) 56px;
  text-align: center;
  overflow: hidden;
}

.wp-hero__inner {
  max-width: var(--wrap-max);
  margin: 0 auto;
  position: relative;
}

.wp-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.015em;
  font-size: clamp(38px, 7vw, 68px);
  line-height: 1.05;
  color: var(--m-ink);
  text-wrap: balance;
  margin: 0 0 22px;
}

.wp-hero__title .accent { color: var(--hoya); }

.wp-hero__title .ulay {
  position: relative;
  display: inline-block;
}
.wp-hero__title .ulay::after {
  content: "";
  position: absolute;
  left: -4px; right: -4px;
  bottom: 8%;
  height: 30%;
  background: var(--hoya);
  opacity: 0.45;
  z-index: -1;
  border-radius: 3px;
}

.wp-hero__lede {
  font-size: 16px;
  line-height: 1.9;
  color: var(--m-ink-2);
  max-width: 540px;
  margin: 0 auto 14px;
  font-weight: 500;
}

.wp-hero__mascots {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin: 24px 0 8px;
}

.wp-hero__mascots img { width: 48px; height: 48px; }

/* ========== Section frame ========== */
.wp-section {
  padding: 64px var(--wrap-pad);
  position: relative;
}

.wp-section__inner {
  max-width: var(--wrap-max);
  margin: 0 auto;
}

.wp-section--alt { background: var(--m-paper); }
.wp-section--ink { background: var(--m-ink); color: var(--m-cream); }

.wp-section--ink a { color: var(--hoya); }
.wp-section--ink a:hover { color: #fff; }

.wp-section__head {
  margin: 0 0 28px;
  text-align: center;
}

.wp-section__title {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.012em;
  font-size: clamp(28px, 4.4vw, 40px);
  line-height: 1.2;
  margin: 0;
  text-wrap: balance;
  color: var(--m-ink);
}

.wp-section--ink .wp-section__title { color: var(--m-cream); }

.wp-section__title .accent { color: var(--hoya); }
.wp-section--ink .wp-section__title .accent { color: var(--hoya); }

.wp-section__lede {
  margin: 14px auto 0;
  max-width: 560px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--m-ink-2);
  font-weight: 500;
}

.wp-section--ink .wp-section__lede { color: rgba(251, 245, 233, 0.78); }

.wp-section__body {
  max-width: 580px;
  margin: 0 auto;
}

.wp-section__body p {
  font-size: 15.5px;
  line-height: 1.9;
  margin-bottom: 14px;
}

/* ========== Mascot row ========== */
.mascot-row {
  display: flex;
  justify-content: center;
  gap: 14px;
}

.wp-section .mascot-row { margin: 32px 0 0; }
.wp-section .mascot-row img { width: 36px; height: 36px; }

.wp-doc .mascot-row { margin: 20px 0 0; gap: 10px; }
.wp-doc .mascot-row img { width: 30px; height: 30px; }

.mascot {
  display: inline-block;
  cursor: pointer;
  transform-origin: center;
  user-select: none;
  -webkit-user-drag: none;
  transition: filter 0.15s;
}

.mascot:hover { filter: brightness(1.05); }

.mascot-row--still .mascot { cursor: default; }

/* Flip card: hover the install CTA to flip a random mascot below it. */
.mascot-flip {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 36px;
  perspective: 600px;
}

.mascot-flip .mascot {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.mascot-flip .mascot-front { transform: rotateY(0deg); }
.mascot-flip .mascot-back { transform: rotateY(180deg); }
.mascot-flip.is-flipped .mascot-front { transform: rotateY(-180deg); }
.mascot-flip.is-flipped .mascot-back { transform: rotateY(0deg); }

@media (prefers-reduced-motion: reduce) {
  .mascot-flip .mascot { transition: none; }
}

/* ========== Document pages (privacy, about) ========== */
.wp-page-head {
  padding: 56px var(--wrap-pad) 28px;
  text-align: center;
}

.wp-page-head__inner {
  max-width: var(--wrap-max);
  margin: 0 auto;
}

.wp-page-head h1 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.01em;
  font-size: clamp(30px, 4.6vw, 44px);
  line-height: 1.2;
  color: var(--m-ink);
  margin: 0 0 10px;
}

.wp-page-head .meta {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--m-ink-3);
}

.wp-doc {
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding: 8px var(--wrap-pad) 80px;
}

.wp-doc section { margin-top: 40px; }

.wp-doc h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  color: var(--hoya-deep);
  margin-bottom: 14px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--hoya);
  letter-spacing: 0.02em;
  line-height: 1.3;
}

.wp-doc p,
.wp-doc ul,
.wp-doc dl { margin-bottom: 12px; font-size: 15px; line-height: 1.95; }

.wp-doc ul { padding-left: 22px; }
.wp-doc li { margin-bottom: 4px; }
.wp-doc dt { font-weight: 700; margin-top: 12px; color: var(--hoya-deep); font-size: 15px; }
.wp-doc dd { padding-left: 16px; margin-bottom: 8px; font-size: 14.5px; }

.wp-doc code {
  font-family: var(--font-sans);
  background: #fff;
  padding: 1px 8px;
  border-radius: 4px;
  font-size: 0.92em;
  color: var(--hoya-darker);
  border: 1px solid var(--rule);
  font-weight: 700;
}

.wp-doc .about-meta {
  color: var(--m-ink-2);
  font-size: 15.5px;
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 22px;
}

.inline-wassyoi-logo {
  height: 53px;
  width: auto;
  display: inline-block;
  vertical-align: bottom;
}

/* ========== Footer ========== */
.wp-footer {
  background: var(--m-ink);
  color: var(--m-cream);
  padding: 32px 0;
  flex-shrink: 0;
  border-top: 4px solid var(--hoya);
}

.wp-footer__inner {
  display: flex; flex-direction: row; align-items: center; justify-content: space-between;
  gap: 16px 28px;
  flex-wrap: wrap;
  max-width: var(--wrap-max-wide);
  margin: 0 auto;
  padding: 0 var(--wrap-pad);
}

.wp-footer__links {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
}

.wp-footer__col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.wp-footer__icons {
  display: flex;
  align-items: center;
  gap: 8px;
}

.wp-footer__links a {
  color: var(--m-cream);
  text-decoration: none;
  padding: 2px 0;
  border: 0;
  transition: color 0.15s, opacity 0.15s;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  opacity: 0.85;
  position: relative;
  display: inline-block;
}

.wp-footer__col a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

.wp-footer__links a:hover,
.wp-footer__links a:focus-visible {
  color: #fff;
  opacity: 1;
}

.wp-footer__col a:hover::after,
.wp-footer__col a:focus-visible::after {
  transform: scaleX(1);
}

.wp-footer__icon {
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  background: transparent;
  opacity: 0.7;
  transition: opacity 0.15s;
}

.wp-footer__icon svg {
  width: 22px;
  height: 22px;
  display: block;
}

.wp-footer__icon:hover {
  background: transparent;
  opacity: 1;
}

.wp-footer__copy {
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: 0.08em;
  opacity: 0.6;
  white-space: nowrap;
}

/* ========== Responsive ========== */
@media (max-width: 640px) {
  :root { --wrap-pad: 20px; }
  .wp-brand { font-size: 20px; gap: 8px; }
  .wp-brand__icon { width: 28px; height: 28px; }
  .wp-hero { padding: 56px var(--wrap-pad) 44px; }
  .wp-section { padding: 52px var(--wrap-pad); }
  .wp-page-head { padding: 44px var(--wrap-pad) 22px; }
  .wp-doc { padding: 8px var(--wrap-pad) 60px; }
  .wp-hero__mascots img { width: 40px; height: 40px; }
  .wp-footer { padding: 28px 0; }
  .wp-footer__links {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    width: 100%;
  }
}

/* ========== Install CTA (WASSYOI m-btn lineage) ========== */
.wp-nav__cta,
a.wp-nav__cta:link,
a.wp-nav__cta:visited {
  align-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  margin: 4px 0 6px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: var(--hoya);
  color: #fff;
  text-decoration: none;
  border: 1.5px solid var(--m-ink);
  box-shadow: 3px 3px 0 var(--m-ink);
  transition: transform 0.12s cubic-bezier(0.2, 0.7, 0.3, 1),
              box-shadow 0.12s cubic-bezier(0.2, 0.7, 0.3, 1),
              background 0.12s;
  white-space: nowrap;
}

a.wp-nav__cta:hover,
a.wp-nav__cta:focus,
a.wp-nav__cta:active {
  background: var(--hoya-deep);
  color: #fff;
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--m-ink);
}

.wp-nav__cta.is-disabled,
.wp-nav__cta[aria-disabled="true"] {
  background: rgba(26, 22, 20, 0.35);
  color: rgba(255, 255, 255, 0.88);
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
  box-shadow: 3px 3px 0 var(--m-ink);
}

.wp-cta-row {
  display: flex;
  justify-content: center;
  margin: 28px auto 8px;
}

.wp-cta,
a.wp-cta:link,
a.wp-cta:visited {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.08em;
  background: var(--hoya);
  color: #fff;
  text-decoration: none;
  border: 1.5px solid var(--m-ink);
  box-shadow: 4px 4px 0 var(--m-ink);
  transition: transform 0.12s cubic-bezier(0.2, 0.7, 0.3, 1),
              box-shadow 0.12s cubic-bezier(0.2, 0.7, 0.3, 1),
              background 0.12s;
  white-space: nowrap;
}

a.wp-cta:hover,
a.wp-cta:focus,
a.wp-cta:active {
  background: var(--hoya-deep);
  color: #fff;
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 var(--m-ink);
}

.wp-cta.is-disabled,
.wp-cta[aria-disabled="true"] {
  background: rgba(251, 245, 233, 0.1);
  color: rgba(251, 245, 233, 0.55);
  cursor: not-allowed;
  pointer-events: none;
  border: 1px dashed rgba(251, 245, 233, 0.4);
  box-shadow: none;
  transform: none;
}

@media (max-width: 600px) {
  .wp-cta {
    padding: 14px 28px;
    font-size: 16px;
  }
  .wp-cta.is-disabled,
  .wp-cta[aria-disabled="true"] {
    padding: 13px 27px;
  }
}

/* ========== Dino game ========== */
.dino-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dino-score-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--m-ink);
  text-transform: uppercase;
}

.dino-score-label {
  opacity: 0.6;
  margin-right: 6px;
}

.dino-score-value {
  display: inline-block;
  padding: 3px 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  border: 1.5px solid var(--m-ink);
  border-radius: 999px;
  background: #fff;
  font-family: inherit;
}

.dino-score-value.is-score {
  background: var(--hoya);
  color: #fff;
  border-color: var(--m-ink);
}

.dino-stage {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  aspect-ratio: 16 / 6;
  max-height: 360px;
  border-top: 1.5px solid var(--m-ink);
  border-bottom: 1.5px solid var(--m-ink);
  background: var(--m-paper);
  overflow: hidden;
  touch-action: manipulation;
  user-select: none;
}

@media (orientation: portrait) and (max-width: 768px) {
  .dino-stage {
    aspect-ratio: 3 / 4;
    max-height: none;
  }
}

.dino-canvas {
  width: 100%;
  height: 100%;
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  position: relative;
  z-index: 1;
}

.dino-overlay {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: grid;
  place-items: center;
  background: rgba(251, 245, 233, 0.84);
  text-align: center;
  padding: 20px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
}

.dino-overlay.is-show {
  opacity: 1;
  pointer-events: auto;
}

.dino-panel {
  border: 1.5px solid var(--m-ink);
  border-radius: 12px;
  background: #fff;
  padding: 16px 22px;
  box-shadow: 4px 4px 0 var(--m-ink);
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.dino-panel-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 26px;
  letter-spacing: 0.06em;
  line-height: 1;
}

.dino-panel-title.is-over {
  color: var(--hoya-deep);
}

.dino-panel-hint {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--m-ink-2);
}

.dino-panel-stats {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 13px;
  letter-spacing: 0.14em;
  margin: 4px 0;
}

.dino-panel-stats span {
  font-weight: 700;
}

.dino-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--m-ink-2);
  flex-wrap: wrap;
}

.dino-controls-mobile {
  display: none;
}

@media (orientation: portrait) and (max-width: 768px) {
  .dino-controls-desktop {
    display: none;
  }
  .dino-controls-mobile {
    display: inline-flex;
    align-items: center;
  }
}

.dino-controls kbd {
  display: inline-block;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  margin: 0 2px;
  border: 1.2px solid var(--m-ink);
  border-radius: 4px;
  background: #fff;
  color: var(--m-ink);
  box-shadow: 1.5px 1.5px 0 var(--m-ink);
}

.dino-speed {
  padding: 3px 10px;
  background: var(--m-ink);
  color: var(--m-cream);
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.18em;
}