/* ===========================================================
   エイプリル株式会社 — Corporate LP  (Brand: taupe / brown, light & elegant)
   =========================================================== */
:root{
  --bg:#f6f3ee;
  --bg-2:#efe9e1;
  --surface:#ffffff;
  --text:#3d3733;
  --text-dim:#857b71;
  --brand:#9d8a7c;
  --brand-deep:#83705f;
  --brand-soft:#cdbfb2;
  --line:rgba(61,55,51,.12);
  --footer:#3d3733;
  --grad:linear-gradient(120deg,#b09c8a 0%,#9d8a7c 50%,#83705f 100%);
  --radius:18px;
  --maxw:1120px;
  --ease:cubic-bezier(.22,1,.36,1);
  --shadow:0 18px 50px rgba(61,55,51,.10);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans JP",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grad{color:var(--brand-deep)}
.pc-only{display:inline}

/* ===== Header ===== */
.site-header{position:fixed;inset:0 0 auto 0;z-index:100;transition:background .3s,backdrop-filter .3s,box-shadow .3s}
.site-header.scrolled{background:rgba(246,243,238,.82);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:13px;color:var(--brand-deep)}
.logo-img{height:42px;width:auto}
.logo-text{font-size:15px;letter-spacing:.04em;font-weight:700;color:var(--text)}
.gnav{display:flex;align-items:center;gap:30px}
.gnav a{font-size:14.5px;color:var(--text-dim);transition:color .2s;font-weight:500}
.gnav a:hover{color:var(--text)}
.nav-cta{padding:11px 22px;border-radius:999px;color:#fff!important;font-weight:700;background:var(--brand);box-shadow:0 8px 20px rgba(157,138,124,.35);transition:background .25s,transform .25s}
.nav-cta:hover{background:var(--brand-deep);transform:translateY(-2px)}
.nav-toggle{display:none;flex-direction:column;gap:6px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:2px;background:var(--text);transition:.3s}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:16px 36px;border-radius:999px;font-weight:700;font-size:15.5px;transition:transform .25s var(--ease),box-shadow .25s,background .25s,color .25s}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 30px rgba(157,138,124,.38)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-3px);box-shadow:0 18px 40px rgba(131,112,95,.45)}
.btn-ghost{border:1px solid var(--brand);color:var(--brand-deep);background:transparent}
.btn-ghost:hover{background:rgba(157,138,124,.10);transform:translateY(-3px)}

/* ===== Hero ===== */
.hero{position:relative;padding:170px 0 120px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;animation:float 16s ease-in-out infinite}
.orb-1{width:520px;height:520px;background:#cdbfb2;top:-160px;left:-120px}
.orb-2{width:440px;height:440px;background:#d8c8b6;top:30px;right:-120px;animation-delay:-5s}
.orb-3{width:400px;height:400px;background:#bda993;bottom:-200px;left:38%;animation-delay:-9s}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(0,-36px) scale(1.07)}}
.grid-overlay{position:absolute;inset:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 35%,#000 25%,transparent 72%);
  mask-image:radial-gradient(ellipse 70% 60% at 50% 35%,#000 25%,transparent 72%);opacity:.5}
.hero-inner{position:relative;z-index:1;text-align:center}
.hero-eyebrow{display:inline-block;padding:8px 20px;border:1px solid var(--brand-soft);border-radius:999px;font-size:12.5px;letter-spacing:.1em;color:var(--brand-deep);background:rgba(255,255,255,.55);margin-bottom:30px;font-weight:500}
.hero-title{font-family:"Noto Serif JP",serif;font-size:clamp(2rem,5.2vw,3.7rem);font-weight:600;line-height:1.4;letter-spacing:.02em;color:var(--text)}
.hero-lead{margin:30px auto 0;max-width:680px;color:var(--text-dim);font-size:clamp(.95rem,2vw,1.05rem)}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:42px}
.hero-stats{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:68px}
.stat{flex:1;min-width:170px;max-width:260px;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}
.stat-num{display:block;font-family:"Noto Serif JP",serif;font-size:1.55rem;font-weight:600;color:var(--brand-deep)}
.stat-label{display:block;font-size:13.5px;color:var(--text-dim);margin-top:6px}

/* ===== Sections ===== */
.section{padding:115px 0;position:relative}
.section-alt{background:var(--bg-2)}
.section-head{text-align:center;max-width:720px;margin:0 auto 62px}
.section-tag{font-family:"Noto Serif JP",serif;font-size:13px;letter-spacing:.22em;text-transform:uppercase;color:var(--brand);font-weight:600}
.section-title{font-family:"Noto Serif JP",serif;font-size:clamp(1.7rem,4vw,2.5rem);font-weight:600;margin:12px 0 18px;letter-spacing:.03em;color:var(--text)}
.section-sub{color:var(--text-dim);font-size:1rem}

/* ===== Service cards ===== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.cards-2{grid-template-columns:repeat(2,1fr)}
.card{position:relative;padding:40px 32px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);transition:transform .35s var(--ease),border-color .35s,box-shadow .35s}

/* Featured (main) service */
.featured{margin-bottom:26px}
.card-featured{display:grid;grid-template-columns:1.5fr 1fr;gap:38px;align-items:center;padding:48px 44px;border-color:var(--brand-soft);background:linear-gradient(160deg,#fffdfb,#f6efe6)}
.card-featured .card-title{font-size:1.7rem}
.card-featured .card-text{margin-bottom:0}
.cf-list{border-left:1px solid var(--line);padding-left:34px}
.card-badge{position:absolute;top:22px;right:26px;font-family:"Noto Serif JP",serif;font-size:11px;letter-spacing:.16em;color:#fff;background:var(--brand);padding:7px 16px;border-radius:999px}
.card-tag{display:inline-block;font-family:"Noto Serif JP",serif;font-size:10.5px;letter-spacing:.14em;color:var(--brand-deep);background:#f0e8df;padding:5px 13px;border-radius:999px;margin-bottom:18px}
.card:hover{transform:translateY(-8px);border-color:var(--brand-soft);box-shadow:0 26px 56px rgba(61,55,51,.16)}
.card-icon{display:grid;place-items:center;width:64px;height:64px;border-radius:16px;font-size:30px;background:linear-gradient(160deg,#efe7dd,#e2d5c6);margin-bottom:22px}
.card-title{font-family:"Noto Serif JP",serif;font-size:1.3rem;font-weight:600;margin-bottom:14px;color:var(--text)}
.card-text{color:var(--text-dim);font-size:.94rem;margin-bottom:20px}
.card-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.card-list li{position:relative;padding-left:24px;font-size:.9rem;color:var(--text)}
.card-list li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--brand)}

/* ===== Strengths ===== */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.feature{padding:38px 32px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);transition:transform .35s var(--ease)}
.feature:hover{transform:translateY(-6px)}
.feature-no{font-family:"Noto Serif JP",serif;font-size:2.3rem;font-weight:700;color:var(--brand);line-height:1}
.feature h3{font-family:"Noto Serif JP",serif;font-size:1.18rem;font-weight:600;margin:14px 0 12px;color:var(--text)}
.feature p{color:var(--text-dim);font-size:.93rem}

/* ===== Flow ===== */
.flow{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-step{padding:32px 26px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);position:relative}
.flow-no{font-family:"Noto Serif JP",serif;font-size:13px;letter-spacing:.12em;color:var(--brand);font-weight:600}
.flow-step h3{font-family:"Noto Serif JP",serif;font-size:1.1rem;font-weight:600;margin:10px 0 8px;color:var(--text)}
.flow-step p{color:var(--text-dim);font-size:.9rem}

/* ===== Company ===== */
.company-table{max-width:760px;margin:0 auto;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
.company-table dl{display:grid;grid-template-columns:200px 1fr;border-bottom:1px solid var(--line)}
.company-table dl:last-child{border-bottom:0}
.company-table dt{padding:22px 28px;font-weight:700;background:#f3ede5;font-size:.94rem;color:var(--text)}
.company-table dd{padding:22px 28px;color:var(--text-dim);font-size:.94rem}

/* ===== Contact ===== */
.section-contact{background:radial-gradient(ellipse 80% 100% at 50% 0%,rgba(157,138,124,.12),transparent 60%),var(--bg)}
.contact-cta{max-width:680px;margin:0 auto;text-align:center;padding:60px 36px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}
.contact-cta-text{color:var(--text-dim);font-size:1rem;margin-bottom:32px}
.btn-lg{padding:18px 48px;font-size:16px}

/* ===== Footer ===== */
.site-footer{background:var(--footer);color:#f1ece6;padding:58px 0 28px}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center}
.footer-brand{display:flex;align-items:center;gap:14px;font-weight:700;font-size:1.05rem;color:#fff}
.footer-logo{height:44px;width:auto;color:#fff}
.footer-addr{color:#c9c0b8;font-size:.86rem}
.footer-nav{display:flex;gap:22px;flex-wrap:wrap;justify-content:center}
.footer-nav a{color:#c9c0b8;font-size:.88rem;transition:color .2s}
.footer-nav a:hover{color:#fff}
.copyright{text-align:center;color:#9a9088;font-size:.8rem;margin-top:30px}

/* ===== Floating CTA ===== */
.float-cta{position:fixed;right:22px;bottom:22px;z-index:90;padding:15px 26px;border-radius:999px;font-weight:700;color:#fff;background:var(--brand);box-shadow:0 14px 32px rgba(131,112,95,.45);transform:translateY(120px);transition:transform .4s var(--ease),background .25s}
.float-cta.show{transform:translateY(0)}
.float-cta:hover{background:var(--brand-deep)}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media(max-width:900px){
  .cards,.cards-2,.features{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr)}
  .card-featured{grid-template-columns:1fr;gap:24px;padding:38px 30px}
  .card-featured .card-text{margin-bottom:0}
  .cf-list{border-left:0;padding-left:0;padding-top:6px}
}
@media(max-width:720px){
  .pc-only{display:none}
  .nav-toggle{display:flex}
  .logo-text{display:none}
  .gnav{position:fixed;inset:74px 0 auto 0;flex-direction:column;gap:0;background:rgba(246,243,238,.98);backdrop-filter:blur(14px);padding:10px 0;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .4s var(--ease)}
  .gnav.open{transform:translateY(0)}
  .gnav a{width:100%;padding:15px 24px;text-align:center}
  .nav-cta{margin:8px 24px;width:auto}
  .nav-toggle.active span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .nav-toggle.active span:nth-child(2){opacity:0}
  .nav-toggle.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .hero{padding:140px 0 90px}
  .section{padding:84px 0}
  .company-table dl{grid-template-columns:1fr}
  .company-table dt{border-bottom:1px solid var(--line)}
}
@media(max-width:480px){.flow{grid-template-columns:1fr}}