/* kotogramico Studio — shared styles */
:root {
  --ink: #1f2a44;
  --muted: #56627c;
  --paper: #ffffff;
  --bg: #f2f5f8;
  --line: #d6dee8;
  --grid: #e3e9f0;
  --yellow: #ffd84d;
  --pink: #ff9ec4;
  --mint: #7fdbc4;
  --sky: #8ec5ff;
  --radius: 14px;
  --font-display: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", sans-serif;
  --font-body: "BIZ UDPGothic", "Hiragino Sans", "Yu Gothic", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 28px 28px;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.85;
  letter-spacing: 0.02em;
}

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

a { color: inherit; text-underline-offset: 0.2em; text-decoration-thickness: 1px; }
a:hover { text-decoration-color: var(--ink); background: linear-gradient(transparent 62%, var(--yellow) 62%); }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(1080px, 100% - 32px); margin-inline: auto; }

/* Header */
.site-header { background: var(--paper); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; padding-block: 14px; }
.logo { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; text-decoration: none; letter-spacing: 0.04em; }
.logo span { font-weight: 500; color: var(--muted); font-size: 0.95rem; margin-left: 4px; }
.site-nav { display: flex; gap: 6px 20px; flex-wrap: wrap; font-size: 0.95rem; }
.site-nav a { text-decoration: none; }
.lang { border: 1px solid var(--line); border-radius: 999px; padding: 2px 12px; }

/* Hero (top page) */
.hero { padding-block: 64px 56px; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; align-items: center; }
.hero h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.9rem, 1.2rem + 2.6vw, 3rem);
  line-height: 1.45; margin: 0 0 20px; letter-spacing: 0.03em;
}
.hero p { margin: 0 0 12px; color: var(--muted); max-width: 34em; }

/* Word-search grid */
.ws {
  --cols: 7; --rows: 6;
  position: relative;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: 20px;
  padding: 14px;
  aspect-ratio: 7 / 6;
  box-shadow: 6px 6px 0 var(--ink);
}
.ws-marks, .ws-letters {
  position: absolute; inset: 14px;
  display: grid;
  grid-template-columns: repeat(var(--cols), 1fr);
  grid-template-rows: repeat(var(--rows), 1fr);
}
.ws-letters span {
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.1rem, 0.7rem + 1.6vw, 1.9rem);
}
.mark {
  margin: 10%;
  border-radius: 999px;
  opacity: 0.75;
  transform-origin: left center;
  animation: draw 0.5s cubic-bezier(.3,.7,.3,1) both;
}
.mark.v { transform-origin: center top; animation-name: draw-v; }
.mark.c1 { background: var(--yellow); animation-delay: 0.3s; }
.mark.c2 { background: var(--mint); animation-delay: 0.75s; }
.mark.c3 { background: var(--pink); animation-delay: 1.2s; }
.mark.c4 { background: var(--sky); animation-delay: 1.65s; }
@keyframes draw { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes draw-v { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@media (prefers-reduced-motion: reduce) { .mark { animation: none; } }

/* Sections */
.section { padding-block: 56px; }
.section > .wrap > h2, .section-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.4rem, 1.1rem + 1vw, 1.9rem);
  margin: 0 0 28px; letter-spacing: 0.04em;
}
.panel { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(20px, 4vw, 40px); }

/* Works list */
.works { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.work { display: grid; grid-template-columns: 15rem 1fr auto; gap: 8px 32px; align-items: center; padding: 28px clamp(20px, 4vw, 40px); }
.work + .work { border-top: 1px dashed var(--line); }
.work h3 { margin: 0; font-family: var(--font-display); font-size: 1.3rem; line-height: 1.5; }
.found { padding: 0 0.3em; border-radius: 999px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.found.y { background: var(--yellow); }
.found.m { background: var(--mint); }
.found.p { background: var(--pink); }
.found.s { background: var(--sky); }
.work p { margin: 0; }
.work .meta { color: var(--muted); font-size: 0.9rem; margin-top: 4px; }
.btn {
  display: inline-block; text-decoration: none; white-space: nowrap;
  background: var(--ink); color: var(--paper);
  padding: 10px 22px; border-radius: 999px; font-weight: 700; font-size: 0.95rem;
}
.btn:hover { background: var(--ink); color: var(--yellow); }
.btn.ghost { background: transparent; color: var(--ink); border: 2px solid var(--ink); padding: 8px 20px; }
.btn.ghost:hover { background: var(--yellow); color: var(--ink); }

/* About */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.about p { margin: 0 0 1em; }
.stats { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.stats li { display: flex; align-items: baseline; gap: 14px; border-bottom: 1px dashed var(--line); padding-bottom: 12px; }
.stats strong { font-family: var(--font-display); font-size: 2rem; line-height: 1; min-width: 5.5ch; }

/* App page */
.app-hero { padding-block: 56px 32px; }
.app-hero .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.app-hero h1 { font-family: var(--font-display); font-size: clamp(2rem, 1.3rem + 2.6vw, 3.2rem); line-height: 1.3; margin: 0 0 12px; }
.app-hero .tagline { font-size: 1.2rem; font-weight: 700; margin: 0 0 16px; }
.app-hero .lead { color: var(--muted); margin: 0 0 24px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.cta-note { color: var(--muted); font-size: 0.9rem; }
.breadcrumb { font-size: 0.85rem; color: var(--muted); padding-top: 20px; }
.breadcrumb a { color: var(--muted); }

.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.shots img { border-radius: 16px; border: 2px solid var(--ink); background: var(--paper); }

.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 40px; margin: 0; padding: 0; list-style: none; }
.features h3 { font-family: var(--font-display); font-size: 1.15rem; margin: 0 0 6px; }
.features p { margin: 0; color: var(--muted); }

.uses { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; list-style: none; padding: 0; margin: 0; }
.uses li { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 16px; }
.uses strong { display: block; font-family: var(--font-display); font-size: 1.15rem; margin-bottom: 4px; }
.uses span { color: var(--muted); font-size: 0.92rem; line-height: 1.7; display: block; }

.checklist { margin: 0; padding-left: 1.2em; }
.checklist li { margin-bottom: 6px; }

/* FAQ */
.faq details { border-top: 1px dashed var(--line); padding: 16px 0; }
.faq details:last-child { border-bottom: 1px dashed var(--line); }
.faq summary { cursor: pointer; font-weight: 700; list-style: none; display: flex; gap: 12px; align-items: baseline; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "Q"; font-family: var(--font-display); background: var(--yellow); border-radius: 999px; min-width: 1.8em; text-align: center; flex: none; }
.faq details[open] summary::before { background: var(--mint); }
.faq details p { margin: 10px 0 0 calc(1.8em + 12px); color: var(--muted); }

/* Tall → columns illustration */
.fold { display: flex; align-items: center; justify-content: center; gap: 20px; }
.strip, .col { background: var(--paper); border: 2px solid var(--ink); border-radius: 10px; padding: 10px 8px; display: flex; flex-direction: column; gap: 6px; }
.strip { width: 64px; height: 330px; overflow: hidden; }
.strip i, .col i { display: block; height: 7px; border-radius: 4px; background: var(--line); flex: none; }
.strip i:nth-child(3n), .col i:nth-child(3n) { width: 70%; }
.strip .pic, .col .pic { height: 34px; background: var(--sky); opacity: 0.6; }
.arrow { font-family: var(--font-display); font-size: 2rem; font-weight: 700; }
.cols { display: grid; grid-template-columns: repeat(3, 76px); gap: 10px; }
.col { height: 150px; position: relative; padding-top: 30px; }
.col b { position: absolute; top: 6px; left: 8px; font-family: var(--font-display); background: var(--mint); border-radius: 999px; width: 1.6em; height: 1.6em; display: grid; place-items: center; font-size: 0.85rem; }

/* Contact & footer */
.contact p { margin: 0 0 8px; }
.site-footer { padding-block: 40px; font-size: 0.9rem; color: var(--muted); }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }
.policy { font-size: 0.95rem; color: var(--muted); }
.policy h3 { color: var(--ink); font-size: 1rem; margin: 0 0 8px; }

/* Responsive */
@media (max-width: 860px) {
  .hero .wrap, .app-hero .wrap, .about { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding-block: 40px; }
  .ws { max-width: 420px; }
  .work { grid-template-columns: 1fr; gap: 8px; }
  .work .btn { justify-self: start; margin-top: 8px; }
  .features { grid-template-columns: 1fr; }
  .uses { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 420px) {
  .uses { grid-template-columns: 1fr; }
  .strip { height: 260px; width: 52px; }
  .cols { grid-template-columns: repeat(3, 60px); }
  .col { height: 120px; }
  .fold { gap: 12px; }
}

/* Game pages */
.found.p { background: var(--pink); }
.game-cover { display: block; border-radius: 18px; overflow: hidden; border: 2px solid var(--ink); box-shadow: 6px 6px 0 var(--ink); }
.game-cover:hover { background: none; }
.game-cover img { width: 100%; }
.howto { margin: 0; padding: 0; list-style: none; counter-reset: step; display: grid; gap: 18px; }
.howto li { counter-increment: step; display: grid; grid-template-columns: 2.4rem 1fr; gap: 2px 14px; }
.howto li::before { content: counter(step); grid-row: span 2; font-family: var(--font-display); font-weight: 700; background: var(--yellow); border-radius: 999px; width: 2.2rem; height: 2.2rem; display: grid; place-items: center; }
.howto strong { font-family: var(--font-display); font-size: 1.1rem; }
.howto span { color: var(--muted); }
.game-shots { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.game-shots figure { margin: 0; }
.game-shots img { border-radius: 12px; border: 1px solid var(--line); }
.game-shots figcaption { color: var(--muted); font-size: 0.9rem; margin-top: 8px; }
@media (max-width: 700px) { .game-shots { grid-template-columns: 1fr; } }