/* ========= Design Tokens (Light, Polished + Accent) ========= */
:root{
  /* Base palette */
  --bg:#ffffff;
  --surface-0:#ffffff;           /* 交互1：白 */
  --surface-1:#f7fafc;           /* 交互2：薄グレー */
  --panel:#ffffff;               /* カード/フォーム */
  --ink:#111827;                 /* 文字（濃グレー） */
  --muted:#6b7280;               /* 補助文字 */
  --line:#e5e7eb;                /* 境界線 */
  --accent:#20d184;              /* アクセント（緑） */
  --accent-ink:#062815;
  --link:#2563eb;                /* リンク（青） */

  /* Layout & effects */
  --max:1120px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 8px rgba(17,24,39,.06);
  --shadow:0 8px 24px rgba(17,24,39,.08);
  --shadow-lg:0 18px 40px rgba(17,24,39,.10);

  /* Rhythm */
  --space-1:8px; --space-2:12px; --space-3:16px; --space-4:20px;
  --space-5:24px; --space-6:28px; --space-7:32px; --space-8:40px;
}

/* ========= Base ========= */
*,*::before,*::after{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; line-height:1.7; color:var(--ink); background:var(--bg);
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,"Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic","Meiryo",sans-serif;
  display:flex; flex-direction:column; min-height:100vh;
}
main{flex:1}

/* アクセント入りの下線（グラデ） */
a{
  color:var(--link); text-decoration:none; text-underline-offset:2px;
  background:linear-gradient(currentColor,currentColor) 0 100%/0 2px no-repeat;
  transition:background-size .2s ease, color .2s ease;
}
a:hover{
  color:#1e40af;
  background:linear-gradient(90deg, #79c8ff, var(--accent)) 0 100%/100% 2px no-repeat;
}

.container{max-width:var(--max); margin:0 auto; padding:0 var(--space-3)}
.small{font-size:12px; color:var(--muted)}
.muted{color:var(--muted)}
h1,h2,h3{letter-spacing:.1px}

/* ========= Header (FULL) ========= */
/* 調整ポイント（必要に応じて数値だけ変えてください） */
.site-header{ --nav-h:64px; --logo-size:32px; --brand-fz:20px; }

/* スティッキー＆背景 */
.site-header{
  position:sticky; top:0; z-index:1000;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}

/* ラッパー */
.nav{
  display:flex; align-items:center; justify-content:space-between;
  height:var(--nav-h);
}

/* ブランド（左側） */
.brand{
  display:flex; align-items:center; gap:12px;
  text-decoration:none; color:var(--ink);
}

/* PQの四角ロゴ */
.brand-logo{
  width:var(--logo-size); height:var(--logo-size);
  display:inline-grid; place-items:center; line-height:1;
  background:linear-gradient(135deg,#20d184,#68ffd1);
  color:var(--accent-ink); border-radius:8px; font-weight:900;
  font-size:calc(var(--logo-size) * .52);  /* ロゴ内の文字サイズ */
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.6), var(--shadow-sm);
}

/* POINTQUIC の文字 */
.brand-name{
  font-weight:800; letter-spacing:.2px; line-height:1;
  font-size:var(--brand-fz);              /* ← ここで大きさを調整 */
  white-space:nowrap;
}

/* 右側メニュー */
.nav-links{display:flex; gap:18px; align-items:center}
.nav-links a{
  color:var(--ink); font-size:14px; font-weight:600;
  padding:8px 12px; border-radius:8px;
  transition:background .18s ease, box-shadow .18s ease;
  text-decoration:none;
}
.nav-links a:hover,
.nav-links a[aria-current="page"]{
  background:#f3f4f6; box-shadow:inset 0 0 0 1px #e5e7eb;
}

/* 右端CTA */
.cta{
  background:var(--accent); color:var(--accent-ink);
  padding:10px 14px; border-radius:12px; font-weight:800;
  box-shadow:0 6px 18px rgba(32,209,132,.25);
  transform:translateZ(0);
  transition:transform .12s ease, box-shadow .2s ease;
  text-decoration:none;
}
.cta:hover{ transform:translateY(-1px); box-shadow:0 10px 26px rgba(32,209,132,.32) }

/* アクセシビリティ：キーボードフォーカス */
.nav a:focus-visible,
.menu-btn:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:10px;
}

/* モバイルメニュー */
.menu-btn{
  display:none; border:1px solid var(--line);
  background:linear-gradient(#fff,#f9fafb);
  color:var(--ink); border-radius:10px; padding:8px 12px;
  box-shadow:var(--shadow-sm); font-weight:700;
}

/* 880px以下でメニューを折りたたみ */
@media (max-width:880px){
  .menu-btn{display:inline-flex; align-items:center; gap:8px}

  .nav-links{display:none}
  .nav.is-open .nav-links{
    position:fixed;
    inset:var(--nav-h) 0 auto 0;
    display:flex; flex-direction:column; gap:0;
    background:#fff; border-bottom:1px solid var(--line); box-shadow:var(--shadow);
  }
  .nav.is-open .nav-links a{
    padding:16px; border-top:1px solid var(--line); border-radius:0;
    font-size:16px;
  }
  .nav.is-open .nav-links .cta{ margin:12px; align-self:flex-end }
}

/* ちょい大きめ画面でヘッダーを微調整（任意） */
@media (min-width:1200px){
  .site-header{ --brand-fz:22px; --logo-size:34px; }
}
/* ========= Footer ========= */
.site-footer{background:#ffffff; border-top:1px solid var(--line); color:var(--muted)}
.footer-wrap{padding:18px 0}
.footer-grid{display:grid; grid-template-columns:repeat(12,1fr); gap:16px; align-items:center}
.footer-col{grid-column:span 6}
.footer-col.right{justify-self:end; text-align:right}
.footer-links a{color:var(--muted); margin-left:14px; font-size:14px; padding:6px 6px; border-radius:6px}
.footer-links a:hover{color:var(--ink); background:#f3f4f6}

@media (max-width:720px){
  .footer-col{grid-column:span 12}
  .footer-col.right{justify-self:start; text-align:left; margin-top:8px}
  .footer-links a{margin:0 12px 0 0}
}

/* ========= Sections / Cards ========= */
.section{
  padding:var(--space-8) 0; border-bottom:1px solid var(--line); background:var(--surface-0);
}
main > .section:nth-of-type(even){background:var(--surface-1)}
.section h2{
  font-size:22px; margin:0 0 18px; position:relative; padding-bottom:12px;
  font-weight:750; letter-spacing:.2px;
}
.section h2::after{
  content:""; position:absolute; left:0; bottom:0;
  width:88px; height:4px; border-radius:4px;
  background:linear-gradient(90deg, var(--accent) 0%, rgba(32,209,132,.25) 60%, rgba(32,209,132,0) 100%);
}

/* Grid & Cards */
.grid{display:grid; grid-template-columns:repeat(12,1fr); gap:16px}

.card{
  position:relative; overflow:hidden;
  grid-column:span 4;
  background:
    linear-gradient(#fff,#fff) padding-box,
    radial-gradient(120% 120% at 0% 0%, rgba(32,209,132,.12), rgba(139,209,255,.10) 40%, rgba(255,255,255,0) 70%) border-box;
  border:1px solid #e6e9ef;
  border-radius:var(--radius); padding:18px;
  box-shadow:var(--shadow-sm);
  transition:transform .16s ease, box-shadow .2s ease, border-color .2s ease;
}
.card::before{
  content:""; position:absolute; inset:0 auto auto 0; height:4px; width:100%;
  background:linear-gradient(90deg, var(--accent), #5ff0c0 40%, #79c8ff 100%);
  opacity:.95;
}
.card::after{
  content:""; position:absolute; inset:1px; border-radius:calc(var(--radius) - 2px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.6); pointer-events:none;
}
.card:hover{transform:translateY(-3px); box-shadow:var(--shadow); border-color:#d8dde6}
.card h3{margin:0 0 8px; font-size:16px; letter-spacing:.1px}
.card p{margin:0; color:var(--muted); font-size:14px}

@media (max-width:960px){ .card{grid-column:span 6} }
@media (max-width:620px){ .card{grid-column:span 12} }

.list{margin:0; padding-left:20px; color:var(--muted); list-style:disc}
.list li{margin:6px 0}
.list li::marker{ color:var(--accent) }

/* ========= Buttons / Utilities ========= */
.btn{
  display:inline-block; padding:12px 16px; border-radius:12px; text-decoration:none; font-weight:750;
  border:1px solid var(--line); color:var(--ink); background:linear-gradient(#fff,#f9fafb);
  box-shadow:0 1px 0 rgba(255,255,255,.8) inset, var(--shadow-sm);
  transition:transform .12s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
}
.btn:hover{transform:translateY(-1px); box-shadow:0 1px 0 rgba(255,255,255,.8) inset, var(--shadow); border-color:#d1d5db}
.btn.primary{
  background:linear-gradient(180deg, #34e3a1 0%, #14c87a 100%);
  color:var(--accent-ink); border:0;
  box-shadow:0 10px 24px rgba(32,209,132,.28)
}
.btn.primary:hover{box-shadow:0 14px 30px rgba(32,209,132,.35); transform:translateY(-1px)}
.badge{
  display:inline-block; font-weight:750; color:var(--accent); border:1px solid var(--accent);
  border-radius:999px; padding:4px 10px; font-size:12px; background:#ffffffaa; backdrop-filter:saturate(140%) blur(2px)
}
.sep{height:1px; background:var(--line); margin:18px 0}
code.inline{background:#f3f4f6; border:1px solid #e5e7eb; padding:.2em .45em; border-radius:6px}

/* ========= Index hero ========= */
.hero{
  padding:56px 0 36px; border-bottom:1px solid var(--line); position:relative; overflow:hidden;
  background:
    radial-gradient(2px 2px at 10px 10px, rgba(17,24,39,.08) 1.5px, transparent 2px) 0 0/22px 22px,
    linear-gradient(180deg,#ffffff 0%, #f8fafc 100%);
}
.hero::before{
  content:""; position:absolute; inset:-30% -20% auto auto; width:60vw; height:60vw; pointer-events:none;
  background:radial-gradient(closest-side, rgba(32,209,132,.18), rgba(32,209,132,0) 70%);
  filter:blur(24px); transform:translate(10%, -20%);
}
.hero h1{font-size:32px; line-height:1.25; margin:8px 0 12px}
.hero p{color:var(--muted); max-width:720px; margin:0 0 18px}
.hero .actions{display:flex; gap:12px; flex-wrap:wrap; margin-top:12px}

/* ========= Pricing helpers ========= */
.price{font-size:30px; font-weight:900; letter-spacing:.2px; margin:6px 0 10px}

/* ========= Forms ========= */
.form{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  padding:18px; box-shadow:var(--shadow); max-width:720px
}
label{display:block; font-size:14px; margin:8px 0 6px; color:var(--muted)}
input,textarea{
  width:100%; padding:12px; border-radius:10px; background:#fff;
  border:1px solid #d1d5db; color:var(--ink); transition:border-color .12s ease, box-shadow .12s ease
}
input:focus, textarea:focus{outline:none; border-color:#93c5fd; box-shadow:0 0 0 3px rgba(147,197,253,.32)}
textarea{min-height:120px; resize:vertical}
.form .row{display:flex; gap:12px}
.form .row > div{flex:1}
.form .submit{margin-top:12px}

/* ========= Company hero ========= */
.hero-company{
  padding:64px 0 40px; border-bottom:1px solid var(--line); position:relative; overflow:hidden;
  background:
    radial-gradient(2px 2px at 12px 12px, rgba(17,24,39,.06) 1.5px, transparent 2px) 0 0/24px 24px,
    linear-gradient(180deg,#ffffff 0%, #f8fafc 100%);
}
.hero-company::before{
  content:""; position:absolute; inset:-35% auto auto -20%; width:55vw; height:55vw; pointer-events:none;
  background:radial-gradient(closest-side, rgba(139,209,255,.18), rgba(139,209,255,0) 70%);
  filter:blur(22px); transform:translate(-10%, -10%);
}
.hero-company h1{font-size:34px; line-height:1.25; margin:.2em 0}
.lead{color:var(--muted); max-width:800px}

.grid-2{display:grid; grid-template-columns:1.2fr .8fr; gap:22px}
.grid-3{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px}
.kv{display:grid; grid-template-columns:160px 1fr; gap:10px}
.kv div{padding:10px 0; border-bottom:1px solid #e5e7eb}
.kv div:last-child{border-bottom:none}
.cols{display:grid; grid-template-columns:1fr 1fr; gap:18px}
@media (max-width:1000px){.grid-2{grid-template-columns:1fr} .grid-3{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.hero-company h1{font-size:28px} .grid-3{grid-template-columns:1fr} .cols{grid-template-columns:1fr}}

/* ========= Accessibility ========= */
a:focus, button:focus, .btn:focus, input:focus, textarea:focus{
  outline:3px solid rgba(37,99,235,.35); outline-offset:2px;
}

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

/* ========= Feature Grid Responsive ========= */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
}
@media (max-width:960px){
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:720px){
  .feature-grid{grid-template-columns:1fr}
}