:root {
  --ink: #0b0b0c;
  --paper: #fff7e8;
  --paper-deep: #f4e6cb;
  --pink: #ee69ad;
  --cyan: #55cddd;
  --yellow: #f4d23f;
  --muted: #655f58;
  --line: #241e23;
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); }
a { color: inherit; text-underline-offset: .18em; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
img { display: block; max-width: 100%; }

.skip { position: fixed; z-index: 10; top: -5rem; left: 1rem; padding: .55rem .8rem; background: var(--yellow); border: 2px solid var(--ink); }
.skip:focus { top: 1rem; }
.shell { width: min(70rem, calc(100% - 2rem)); margin: 0 auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 0; }
.brand { display: inline-flex; align-items: center; gap: .55rem; font-family: Avenir, "Century Gothic", sans-serif; font-weight: 900; font-style: italic; letter-spacing: .04em; text-decoration: none; }
.brand img { width: 2.3rem; height: 2.3rem; border: 2px solid var(--ink); border-radius: 50%; object-fit: cover; }
.brand strong { color: var(--pink); text-shadow: 2px 2px var(--cyan); }
.nav { display: flex; align-items: center; gap: .9rem; font-size: .9rem; }
.nav a { text-decoration-thickness: 2px; }
.nav .nav-cta { border: 2px solid var(--ink); padding: .35rem .65rem; background: var(--yellow); text-decoration: none; box-shadow: 3px 3px var(--ink); }

.hero { overflow: hidden; padding: clamp(2rem, 8vw, 5.4rem) 0 3.5rem; border-top: 3px solid var(--ink); border-bottom: 3px solid var(--ink); background: var(--ink); color: var(--paper); }
.hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(1.5rem, 5vw, 4rem); align-items: center; }
.kicker { display: inline-block; margin: 0 0 .85rem; color: var(--yellow); font-size: .85rem; font-weight: 800; letter-spacing: .08em; }
h1, h2, h3 { line-height: 1.18; }
h1 { max-width: 12ch; margin: 0; font-size: clamp(2.45rem, 7vw, 5.4rem); letter-spacing: -.06em; }
.hero h1 em { color: var(--pink); text-shadow: 3px 3px 0 var(--cyan); font-style: normal; }
.lead { max-width: 35rem; margin: 1.45rem 0 0; font-size: clamp(1rem, 2vw, 1.2rem); }
.cta-row { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 1.8rem; }
.button { display: inline-flex; min-height: 2.8rem; align-items: center; justify-content: center; padding: .6rem 1rem; border: 2px solid var(--ink); font-weight: 800; text-decoration: none; box-shadow: 4px 4px 0 var(--cyan); }
.button-primary { background: var(--yellow); }
.button-quiet { border-color: var(--paper); color: var(--paper); box-shadow: none; }
.availability { margin: .9rem 0 0; color: #d5d1c7; font-size: .82rem; }
.mascot-wrap { position: relative; justify-self: center; width: min(19rem, 100%); }
.mascot-wrap::before { position: absolute; inset: 10% -7% -5% 7%; background: var(--pink); content: ""; transform: rotate(5deg); }
.mascot-wrap img { position: relative; border: 3px solid var(--paper); filter: saturate(.92) contrast(1.08); }
.sticker { position: absolute; z-index: 1; right: -1rem; bottom: 1rem; max-width: 11rem; padding: .45rem .65rem; background: var(--yellow); color: var(--ink); border: 2px solid var(--ink); font-size: .8rem; font-weight: 800; transform: rotate(-6deg); }

.section { padding: clamp(3.5rem, 8vw, 6.5rem) 0; }
.section-tint { background: var(--paper-deep); border-block: 3px solid var(--ink); }
.section-head { max-width: 44rem; margin-bottom: 2.2rem; }
.eyebrow { margin: 0 0 .5rem; color: #b51d68; font-size: .78rem; font-weight: 900; letter-spacing: .1em; }
h2 { margin: 0; font-size: clamp(1.8rem, 4vw, 3rem); letter-spacing: -.045em; }
.section-head > p:last-child { margin: .9rem 0 0; color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card { min-height: 13rem; padding: 1.25rem; background: var(--paper); border: 2px solid var(--ink); box-shadow: 5px 5px 0 var(--ink); }
.card:nth-child(2) { background: var(--cyan); }
.card:nth-child(3) { background: var(--pink); }
.card .number { display: block; margin-bottom: 1.9rem; font-family: Avenir, "Century Gothic", sans-serif; font-weight: 900; color: #b51d68; }
.card h3 { margin: 0; font-size: 1.25rem; }
.card p { margin-bottom: 0; font-size: .94rem; }

.showcase { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(1.5rem, 6vw, 5rem); align-items: center; }
.showcase + .showcase { margin-top: clamp(3.5rem, 8vw, 7rem); }
.showcase-copy h3 { margin: 0; font-size: clamp(1.55rem, 3vw, 2.45rem); }
.showcase-copy p { max-width: 35rem; }
.facts { margin: 1.25rem 0 0; padding: 0; list-style: none; }
.facts li { margin-top: .55rem; padding-left: 1.65rem; position: relative; }
.facts li::before { position: absolute; left: 0; color: #b51d68; content: "✦"; }
.screen { position: relative; justify-self: center; max-width: 19rem; border: 3px solid var(--ink); background: var(--ink); box-shadow: 10px 10px 0 var(--pink); }
.screen img { width: 100%; }
.screen-caption { margin: .8rem 0 0; color: var(--muted); font-size: .78rem; text-align: center; }
.showcase-alt .screen { order: 2; box-shadow: 10px 10px 0 var(--cyan); }

.support-intro { padding: 4rem 0 3rem; border-top: 3px solid var(--ink); background: var(--yellow); }
.support-intro h1 { max-width: none; color: var(--ink); }
.guide { display: grid; grid-template-columns: 14rem 1fr; gap: clamp(1.5rem, 7vw, 6rem); }
.guide-nav { align-self: start; position: sticky; top: 1rem; padding: 1rem; border: 2px solid var(--ink); background: var(--cyan); }
.guide-nav a { display: block; margin-top: .55rem; font-weight: 700; }
.guide-content section { padding: 2rem 0; border-bottom: 2px solid var(--ink); }
.guide-content h2 { font-size: clamp(1.5rem, 3vw, 2.15rem); }
.guide-content p, .guide-content li { max-width: 45rem; }
.guide-content ul { padding-left: 1.3rem; }
.note { padding: 1rem 1.15rem; border-left: 5px solid var(--pink); background: #fff0c8; }
details { max-width: 45rem; padding: .85rem 1rem; border: 2px solid var(--ink); background: var(--paper-deep); }
summary { cursor: pointer; font-weight: 800; }

.site-footer { padding: 2.5rem 0 3.5rem; background: var(--ink); color: var(--paper); }
.footer-grid { display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: center; justify-content: space-between; }
.site-footer small { color: #cac4b9; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1rem; }

@media (max-width: 720px) {
  .shell { width: min(100% - 1.5rem, 44rem); }
  .site-header { align-items: flex-start; }
  .nav { gap: .6rem; flex-wrap: wrap; justify-content: flex-end; }
  .hero-grid, .showcase, .guide { grid-template-columns: 1fr; }
  .mascot-wrap { width: min(15rem, 72vw); }
  .cards { grid-template-columns: 1fr; }
  .card { min-height: auto; }
  .card .number { margin-bottom: .75rem; }
  .showcase-alt .screen { order: initial; }
  .guide-nav { position: static; }
}

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