@charset "utf-8";

/* =========================================================
   wapon.net - tools portal
   ========================================================= */

:root {
  --bg: #f6f7fb;
  --bg-grad-a: #eef2ff;
  --bg-grad-b: #f7f5ff;
  --surface: #ffffff;
  --surface-2: #f2f4f9;
  --border: #e3e7f0;
  --border-strong: #d2d8e6;
  --text: #1b2033;
  --text-muted: #5d6480;
  --text-faint: #8a90a8;
  --accent: #4f6ef7;
  --accent-strong: #3b56d6;
  --accent-soft: #e9edff;
  --shadow-sm: 0 1px 2px rgba(27, 32, 51, .06);
  --shadow-md: 0 6px 20px rgba(27, 32, 51, .08);
  --shadow-lg: 0 16px 40px rgba(27, 32, 51, .12);
  --radius: 14px;
  --radius-lg: 20px;
  --gutter: 20px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1017;
    --bg-grad-a: #141a2b;
    --bg-grad-b: #17142a;
    --surface: #171b27;
    --surface-2: #1e2331;
    --border: #2a3040;
    --border-strong: #39415a;
    --text: #e8ebf5;
    --text-muted: #a3aac2;
    --text-faint: #7b839c;
    --accent: #7f95ff;
    --accent-strong: #9aabff;
    --accent-soft: #232a45;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
    --shadow-md: 0 6px 20px rgba(0, 0, 0, .45);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, .55);
  }
}

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

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  font-family: "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Hiragino Sans",
               Meiryo, system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-size-adjust: 100%;
}

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

.wrap {
  width: min(1120px, calc(100% - var(--gutter) * 2));
  margin-inline: auto;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: .02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  color: #fff;
  font-size: .95rem;
  font-weight: 800;
}

.brand-sub {
  color: var(--text-faint);
  font-size: .8rem;
  font-weight: 500;
}

.header-link {
  font-size: .88rem;
  color: var(--text-muted);
  padding: 8px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  transition: .18s;
  white-space: nowrap;
}

.header-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 56px;
  background:
    radial-gradient(900px 420px at 12% -10%, var(--bg-grad-a), transparent 65%),
    radial-gradient(760px 420px at 92% 0%, var(--bg-grad-b), transparent 62%);
}

.hero h1 {
  font-size: clamp(1.75rem, 4.6vw, 2.85rem);
  line-height: 1.35;
  letter-spacing: -.01em;
  font-weight: 800;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  margin-top: 18px;
  max-width: 46em;
  color: var(--text-muted);
  font-size: clamp(.95rem, 2.2vw, 1.06rem);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  font-size: .84rem;
  color: var(--text-muted);
}

/* ---------- controls ---------- */

.controls {
  position: sticky;
  top: 64px;
  z-index: 40;
  padding: 18px 0;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.search-box { position: relative; }

.search-box svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-faint);
  pointer-events: none;
}

#search {
  width: 100%;
  padding: 13px 16px 13px 46px;
  font: inherit;
  font-size: .95rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  transition: .18s;
}

#search::placeholder { color: var(--text-faint); }

#search:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.chip {
  font: inherit;
  font-size: .86rem;
  padding: 7px 15px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: .18s;
}

.chip:hover { border-color: var(--accent); color: var(--accent); }

.chip[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}

/* ---------- grid ---------- */

main { padding: 40px 0 64px; }

.result-count {
  font-size: .85rem;
  color: var(--text-faint);
  margin-bottom: 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(272px, 1fr));
  gap: 18px;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.card:hover,
.card:focus-visible {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: var(--shadow-lg);
  outline: none;
}

.card-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  font-size: 1.4rem;
  line-height: 1;
}

.card h2 {
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .01em;
}

.card p {
  font-size: .87rem;
  color: var(--text-muted);
  line-height: 1.75;
  flex: 1;
}

.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 4px;
}

.tag {
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--text-faint);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 10px;
}

.card-go {
  font-size: .84rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card:hover .card-go { color: var(--accent-strong); }

.card-go span { transition: transform .18s; }
.card:hover .card-go span { transform: translateX(3px); }

.empty {
  padding: 56px 20px;
  text-align: center;
  color: var(--text-faint);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 44px 0 32px;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  gap: 28px 48px;
  justify-content: space-between;
}

.footer-company h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.footer-company p {
  font-size: .84rem;
  color: var(--text-muted);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-items: flex-start;
  font-size: .86rem;
}

.footer-nav a { color: var(--text-muted); transition: color .18s; }
.footer-nav a:hover { color: var(--accent); }

.footer-sns {
  display: flex;
  gap: 14px;
  margin-top: 14px;
  font-size: .84rem;
}

.footer-sns a { color: var(--text-faint); transition: color .18s; }
.footer-sns a:hover { color: var(--accent); }

.copyright {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: .8rem;
  color: var(--text-faint);
}

@media (max-width: 600px) {
  .hero { padding: 48px 0 36px; }
  .brand-sub { display: none; }
  .controls { top: 64px; padding: 14px 0; }
  .grid { grid-template-columns: 1fr; }

  /* チップは折り返さず横スクロールさせ、追従バーの高さを抑える */
  .filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    /* 画面端まで流し、内側にwrapぶんの余白を戻す */
    margin-inline: calc(-1 * var(--gutter));
    padding-inline: var(--gutter);
    scroll-padding-left: var(--gutter);
  }

  .filters::-webkit-scrollbar { display: none; }
  .chip { flex: 0 0 auto; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}