/* =====================================================================
   自由IT同盟 — Landing (top page)
   キャプチャ準拠の構成を保ちつつ、質感・余白・動きを磨き込み
   #lp-root の data-* / --acc で Tweaks から見た目を切替
   ===================================================================== */

#lp-root {
  --acc:      oklch(0.52 0.17 264);
  --acc-ink:  oklch(0.44 0.18 264);
  --acc-soft: oklch(0.96 0.035 264);
  --acc-line: oklch(0.86 0.07 264);
}

/* ---- header ---- */
.lp-header {
  position: sticky; top: 0; z-index: 50;
  background: oklch(1 0 0 / 0.82); backdrop-filter: saturate(1.7) blur(14px);
  border-bottom: 1px solid var(--line);
}
.lp-bar { max-width: 1140px; margin: 0 auto; padding: 0 32px; height: 70px; display: flex; align-items: center; gap: 30px; }
.lp-logo { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.lp-logo .mk {
  width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(145deg, var(--acc), var(--acc-ink));
  box-shadow: 0 2px 6px color-mix(in oklch, var(--acc) 32%, transparent), inset 0 1px 0 oklch(1 0 0/.32);
  transition: transform .22s cubic-bezier(.2,.7,.3,1), box-shadow .22s;
}
.lp-logo:hover .mk { transform: rotate(-6deg) scale(1.05); box-shadow: 0 4px 12px color-mix(in oklch, var(--acc) 40%, transparent), inset 0 1px 0 oklch(1 0 0/.32); }
.lp-logo .mk svg { width: 19px; height: 19px; }
.lp-logo .tx { font-family: var(--head); font-weight: 900; font-size: 20px; letter-spacing: .04em; color: var(--ink); white-space: nowrap; }
.lp-logo .tx i { color: var(--acc); font-style: normal; font-family: var(--mono); font-weight: 700; font-size: 0.82em; letter-spacing: .02em; padding: 0 .06em; }
.lp-nav { margin-left: auto; display: flex; align-items: center; gap: 26px; }
.lp-nav a { font-size: 14.5px; font-weight: 500; color: var(--ink-2); transition: color .15s; position: relative; }
.lp-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -23px; height: 2px; background: var(--acc); transform: scaleX(0); transition: transform .2s; }
.lp-nav a:hover { color: var(--ink); }
.lp-nav a:hover::after, .lp-nav a.active::after { transform: scaleX(1); }
.lp-nav a.active { color: var(--ink); font-weight: 700; }

.lp-searchbtn {
  display: flex; align-items: center; gap: 12px; background: var(--surface-3);
  border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px 9px 14px;
  width: 230px; color: var(--ink-3); font-size: 13.5px; font-family: var(--sans);
  transition: border-color .15s, box-shadow .15s; cursor: text;
}
.lp-searchbtn:hover { border-color: var(--ink-3); }
.lp-searchbtn:focus { outline: none; border-color: var(--acc-line); box-shadow: 0 0 0 3px var(--acc-soft); }
.lp-searchbtn svg { color: var(--ink-3); flex-shrink: 0; }
.lp-searchbtn .ph-txt { flex: 1; text-align: left; }
.lp-searchbtn kbd { font-family: var(--mono); font-size: 10px; font-weight: 600; letter-spacing: .06em; color: var(--ink-3); border: 1px solid var(--line); border-radius: 6px; padding: 3px 7px; background: var(--surface); }
.lp-iconbtn { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface-3); color: var(--ink-2); flex-shrink: 0; transition: all .15s; }
.lp-iconbtn:hover { border-color: var(--acc-line); background: var(--acc-soft); color: var(--acc-ink); }
.lp-iconbtn.active { border-color: var(--acc-line); background: var(--acc-soft); color: var(--acc-ink); }
.lp-iconbtn svg { width: 18px; height: 18px; }

/* ===================== HERO ===================== */
.lp-herowrap { position: relative; overflow: hidden; }
/* optional radial glow */
.lp-herowrap::before {
  content: ""; position: absolute; left: 50%; top: -120px; width: 760px; height: 520px;
  transform: translateX(-50%); pointer-events: none; opacity: 0;
  background: radial-gradient(ellipse at center, color-mix(in oklch, var(--acc) 22%, transparent), transparent 68%);
  transition: opacity .4s;
}
#lp-root[data-glow="on"] .lp-herowrap::before { opacity: .55; }
/* optional pattern */
.lp-herowrap::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 32%, #000 30%, transparent 72%);
          mask-image: radial-gradient(ellipse 70% 70% at 50% 32%, #000 30%, transparent 72%);
}
#lp-root[data-motif="dots"] .lp-herowrap::after { opacity: .5; background-image: radial-gradient(var(--line) 1.4px, transparent 1.4px); background-size: 22px 22px; }
#lp-root[data-motif="grid"] .lp-herowrap::after { opacity: .7; background-image: linear-gradient(var(--line-2) 1px, transparent 1px), linear-gradient(90deg, var(--line-2) 1px, transparent 1px); background-size: 40px 40px; }

.lp-main { max-width: 1140px; margin: 0 auto; padding: 0 32px 40px; position: relative; }

.lp-hero { text-align: center; padding: 92px 0 34px; position: relative; }
.lp-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono);
  font-size: 11.5px; font-weight: 500; letter-spacing: .14em; color: var(--acc-ink);
  background: var(--acc-soft); border: 1px solid var(--acc-line);
  padding: 6px 14px; border-radius: 100px; margin-bottom: 30px;
}
.lp-eyebrow .pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--acc); box-shadow: 0 0 0 0 var(--acc); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in oklch, var(--acc) 55%, transparent); } 70% { box-shadow: 0 0 0 7px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }

.lp-mark {
  width: 64px; height: 64px; border-radius: 18px; margin: 0 auto 24px; display: none; place-items: center;
  background: linear-gradient(150deg, var(--acc), var(--acc-ink));
  box-shadow: 0 10px 30px color-mix(in oklch, var(--acc) 32%, transparent), inset 0 1px 0 oklch(1 0 0/.3);
}
#lp-root[data-mark="on"] .lp-mark { display: grid; }
.lp-mark svg { width: 34px; height: 34px; }

.lp-hero h1 {
  font-family: var(--head); font-weight: 900; font-size: 68px; letter-spacing: .05em; line-height: 1.16;
  background: linear-gradient(180deg, var(--ink), oklch(0.34 0.02 262));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lp-sub { font-size: 20px; color: var(--ink-2); margin: 24px 0 0; font-weight: 500; }
.lp-divider { width: 54px; height: 4px; border-radius: 3px; background: var(--acc); margin: 34px auto 0; }

/* ===================== INTRO ===================== */
.lp-intro { max-width: 820px; margin: 46px auto 0; text-align: center; }
.lp-intro p { font-size: 16.5px; line-height: 2.15; color: var(--ink-2); margin: 0; text-wrap: pretty; }
.lp-intro p strong { color: var(--ink); font-weight: 700; }

/* ===================== CONTENTS ===================== */
.lp-contents { margin-top: 84px; }
.lp-sec-head { display: flex; align-items: baseline; gap: 14px; }
.lp-sec-head h2 { font-family: var(--head); font-weight: 900; font-size: 32px; letter-spacing: .01em; }
.lp-sec-head .cnt { font-family: var(--mono); font-size: 13px; color: var(--ink-3); }
.lp-rule { border: 0; border-top: 1px solid var(--line); margin: 16px 0 30px; }

.lp-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.lp-card {
  display: flex; flex-direction: column; background: var(--surface);
  border: 1px solid var(--line); border-radius: 16px; padding: 26px 24px 22px;
  transition: transform .18s cubic-bezier(.2,.7,.3,1), box-shadow .18s, border-color .18s;
  position: relative; overflow: hidden;
}
.lp-card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%;
  background: var(--cardcat, var(--acc)); transform: scaleX(0); transform-origin: left; transition: transform .25s;
}
.lp-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: color-mix(in oklch, var(--cardcat, var(--acc)) 32%, var(--line)); }
.lp-card:hover::before { transform: scaleX(1); }
.lp-card .lp-ic {
  width: 50px; height: 50px; border-radius: 13px; display: grid; place-items: center; margin-bottom: 18px;
  color: var(--cardcat, var(--acc));
  background: color-mix(in oklch, var(--cardcat, var(--acc)) 11%, white);
  border: 1px solid color-mix(in oklch, var(--cardcat, var(--acc)) 22%, white);
}
.lp-card .lp-ic svg { width: 26px; height: 26px; }
.lp-card .lp-name { font-family: var(--head); font-weight: 700; font-size: 18px; color: var(--ink); }
.lp-card .lp-desc { font-size: 13px; color: var(--ink-3); line-height: 1.75; margin: 8px 0 0; }
.lp-card .lp-go { margin-top: 18px; display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 700; font-family: var(--head); color: var(--cardcat, var(--acc-ink)); }
.lp-card .lp-go svg { width: 14px; height: 14px; transition: transform .18s; }
.lp-card:hover .lp-go svg { transform: translateX(4px); }

/* card style: tinted */
#lp-root[data-cards="tinted"] .lp-card { background: color-mix(in oklch, var(--cardcat, var(--acc)) 5%, white); border-color: color-mix(in oklch, var(--cardcat, var(--acc)) 16%, var(--line)); }

/* ===================== FOOTER ===================== */
.lp-footer { border-top: 1px solid var(--line); margin-top: 30px; }
.lp-foot-inner { max-width: 1140px; margin: 0 auto; padding: 34px 32px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.lp-foot-inner .l { display: flex; align-items: center; gap: 16px; }
.lp-foot-inner .copy { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.lp-foot-links { display: flex; gap: 22px; }
.lp-foot-links a { font-size: 13px; color: var(--ink-2); transition: color .15s; }
.lp-foot-links a:hover { color: var(--acc-ink); }

/* ===================== entrance animation ===================== */
@keyframes riseIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.reveal { opacity: 0; animation: riseIn .7s cubic-bezier(.2,.7,.3,1) forwards; }
.reveal.d1 { animation-delay: .06s; } .reveal.d2 { animation-delay: .14s; }
.reveal.d3 { animation-delay: .22s; } .reveal.d4 { animation-delay: .30s; }
.reveal.d5 { animation-delay: .38s; } .reveal.d6 { animation-delay: .46s; }
@media (prefers-reduced-motion: reduce) { .reveal { animation: none; opacity: 1; } .lp-eyebrow .pulse { animation: none; } }

@media (max-width: 920px) {
  .lp-cards { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .lp-nav { display: none; }
  .lp-hero { padding-top: 64px; }
  .lp-hero h1 { font-size: 46px; }
  .lp-sub { font-size: 17px; }
  .lp-bar { gap: 16px; }
  .lp-searchbtn { width: auto; padding: 9px 12px; }
  .lp-searchbtn .ph-txt, .lp-searchbtn kbd { display: none; }
}
@media (max-width: 520px) {
  .lp-hero { padding-top: 48px; }
  .lp-hero h1 { font-size: 36px; }
  .lp-sec-head h2 { font-size: 26px; }
  .lp-foot-inner { flex-direction: column; align-items: flex-start; }
}

/* =====================================================================
   COMMAND PALETTE (横断検索)  — 全ページが landing.css を読み込む前提
   ===================================================================== */
.cmdk-overlay { position: fixed; inset: 0; z-index: 200; display: none; }
.cmdk-overlay.open { display: block; }
.cmdk-scrim { position: absolute; inset: 0; background: oklch(0.22 0.02 262 / 0.44); backdrop-filter: blur(3px); opacity: 0; transition: opacity .16s; }
.cmdk-overlay.open .cmdk-scrim { opacity: 1; }
.cmdk-panel {
  position: relative; max-width: 640px; margin: 11vh auto 0;
  background: var(--surface); border: 1px solid var(--line); border-radius: 16px;
  box-shadow: var(--shadow-lg); overflow: hidden;
  transform: translateY(-10px) scale(.985); opacity: 0; transition: transform .18s cubic-bezier(.2,.7,.3,1), opacity .18s;
}
.cmdk-overlay.open .cmdk-panel { transform: none; opacity: 1; }
.cmdk-input-row { display: flex; align-items: center; gap: 12px; padding: 15px 18px; border-bottom: 1px solid var(--line); }
.cmdk-input-row > svg { width: 20px; height: 20px; color: var(--ink-3); flex-shrink: 0; }
.cmdk-input-row input { flex: 1; border: 0; outline: none; background: none; font-family: var(--sans); font-size: 16.5px; color: var(--ink); }
.cmdk-input-row input::placeholder { color: var(--ink-3); }
.cmdk-esc { font-family: var(--mono); font-size: 11px; color: var(--ink-3); border: 1px solid var(--line); border-radius: 6px; padding: 3px 8px; }
.cmdk-results { max-height: 54vh; overflow-y: auto; overflow-x: hidden; padding: 8px; }
.cmdk-results::-webkit-scrollbar { width: 8px; }
.cmdk-results::-webkit-scrollbar-thumb { background: var(--line); border-radius: 4px; }
.cmdk-group { font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em; color: var(--ink-3); text-transform: uppercase; padding: 12px 12px 6px; }
.cmdk-item { display: grid; grid-template-columns: 34px minmax(0,1fr) auto; align-items: center; gap: 13px; padding: 9px 12px; border-radius: 10px; cursor: pointer; color: var(--ink); text-decoration: none; }
.cmdk-item.active { background: var(--acc-soft); }
.cmdk-item .ic { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; color: var(--cat, var(--acc)); background: color-mix(in oklch, var(--cat, var(--acc)) 11%, white); border: 1px solid color-mix(in oklch, var(--cat, var(--acc)) 22%, white); }
.cmdk-item .ic svg { width: 18px; height: 18px; }
.cmdk-item .tx { min-width: 0; }
.cmdk-item .tx h4 { font-family: var(--head); font-weight: 700; font-size: 14.5px; line-height: 1.4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cmdk-item .tx h4 mark { background: color-mix(in oklch, var(--acc) 24%, white); color: var(--acc-ink); padding: 0 1px; border-radius: 3px; }
.cmdk-item .tx p { font-size: 12px; color: var(--ink-3); margin: 2px 0 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cmdk-item .meta { display: flex; align-items: center; gap: 9px; flex-shrink: 0; }
.cmdk-type { font-size: 11px; color: var(--ink-2); background: var(--surface-3); border: 1px solid var(--line); border-radius: 6px; padding: 2px 8px; font-family: var(--head); font-weight: 700; }
.cmdk-soon { font-family: var(--mono); font-size: 10px; font-weight: 700; color: var(--ink-3); border: 1px solid var(--line); border-radius: 5px; padding: 2px 6px; }
.cmdk-item .enter { color: var(--acc); opacity: 0; display: grid; place-items: center; }
.cmdk-item.active .enter { opacity: 1; }
.cmdk-item .enter svg { width: 15px; height: 15px; }
.cmdk-empty { text-align: center; padding: 44px 20px; color: var(--ink-3); font-size: 14px; }
.cmdk-empty svg { width: 34px; height: 34px; margin-bottom: 12px; opacity: .55; }
.cmdk-foot { display: flex; align-items: center; gap: 16px; padding: 10px 16px; border-top: 1px solid var(--line); background: var(--surface-2); font-size: 11.5px; color: var(--ink-3); }
.cmdk-foot .k { font-family: var(--mono); font-size: 10.5px; border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; background: var(--surface); margin-right: 3px; }
.cmdk-foot span { display: inline-flex; align-items: center; }
@media (max-width: 600px) {
  .cmdk-panel { margin: 6vh 12px 0; }
  .cmdk-foot { gap: 10px; }
  .cmdk-item .tx p { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .cmdk-scrim, .cmdk-panel { transition: none; }
}

/* ヘッダー・フッター fetch 注入中の高さ確保（FOUC防止） */
#site-header { min-height: 70px; }
#site-footer { min-height: 90px; }