/* ============================================
   ナオヤ / 店舗WEB集客アドバイザー
   共通スタイル
============================================ */
:root{
  --navy:#0B2545;
  --navy-2:#10325C;
  --blue:#1769B5;
  --blue-light:#4FA3DC;
  --sky:#E9F2FA;
  --ice:#F6F9FC;
  --ink:#1E2A38;
  --gray:#5C6B7A;
  --line:#D9E4EE;
  --white:#FFFFFF;
  --radius:14px;
  --shadow:0 8px 30px rgba(11,37,69,.08);
  --font-body:"Zen Kaku Gothic New",sans-serif;
  --font-display:"Zen Kaku Gothic New",sans-serif;
  --font-num:"Outfit",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  line-height:1.9;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
:focus-visible{outline:3px solid var(--blue-light);outline-offset:2px;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
}

.container{max-width:1080px;margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:1080px;margin:0 auto;padding:0 24px;
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;flex-direction:column;line-height:1.3;}
.brand-name{font-weight:700;font-size:16px;color:var(--navy);letter-spacing:.02em;}
.brand-sub{font-size:11px;color:var(--gray);letter-spacing:.08em;}
.gnav{display:flex;gap:26px;font-size:14px;font-weight:500;}
.gnav a{color:var(--navy);padding:6px 0;border-bottom:2px solid transparent;transition:border-color .2s;}
.gnav a:hover{border-color:var(--blue);}
.btn-header{
  background:var(--blue);color:#fff;font-weight:700;font-size:14px;
  padding:10px 22px;border-radius:999px;white-space:nowrap;
  transition:background .2s,transform .2s;
}
.btn-header:hover{background:var(--navy-2);transform:translateY(-1px);}
@media (max-width:880px){.gnav{display:none;}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;border-radius:999px;cursor:pointer;border:none;
  transition:background .2s,transform .2s,box-shadow .2s;
}
.btn-primary{
  background:var(--blue);color:#fff;font-size:17px;padding:16px 44px;
  box-shadow:0 6px 20px rgba(23,105,181,.35);
}
.btn-primary:hover{background:var(--navy-2);transform:translateY(-2px);}
.btn-ghost{
  background:#fff;color:var(--blue);border:1.5px solid var(--blue);
  font-size:14px;padding:10px 26px;
}
.btn-ghost:hover{background:var(--sky);}
.btn-arrow::after{content:"→";font-family:var(--font-num);font-weight:600;}

/* ---------- Section base ---------- */
.section{padding:96px 0;}
.section-alt{
  background-color:var(--ice);
  background-image:radial-gradient(rgba(11,37,69,.045) 1px,transparent 1px);
  background-size:22px 22px;
}
.eyebrow{
  display:inline-block;font-family:var(--font-num);font-size:12px;font-weight:600;
  letter-spacing:.22em;color:var(--blue);text-transform:uppercase;margin-bottom:14px;
}
.section-title{
  font-family:var(--font-display);font-size:clamp(26px,4vw,38px);font-weight:700;
  color:var(--navy);line-height:1.5;letter-spacing:.02em;margin-bottom:18px;
}
.section-lead{color:var(--gray);max-width:680px;margin-bottom:48px;}
.center{text-align:center;}
.center .section-lead{margin-left:auto;margin-right:auto;}

/* ---------- Hero ---------- */
.hero{
  padding:160px 0 90px;
  background:
    radial-gradient(900px 500px at 85% -10%, var(--sky) 0%, transparent 60%),
    linear-gradient(180deg,#fff 0%,var(--ice) 100%);
  position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(23,105,181,.12) 1.2px,transparent 1.2px);
  background-size:24px 24px;
  -webkit-mask-image:linear-gradient(115deg,transparent 38%,#000 100%);
  mask-image:linear-gradient(115deg,transparent 38%,#000 100%);
}
.hero::after{
  content:"";position:absolute;pointer-events:none;
  width:520px;height:520px;border-radius:50%;
  border:70px solid rgba(79,163,220,.09);
  top:-180px;right:-150px;
}
.hero-grid{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero-copy h1{
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(30px,4.6vw,46px);line-height:1.55;color:var(--navy);
  letter-spacing:.02em;margin-bottom:22px;
}
.hero-copy h1 em{font-style:normal;color:var(--blue);}
.hero-sub{color:var(--gray);font-size:17px;margin-bottom:34px;max-width:520px;}
.hero-cta-note{font-size:13px;color:var(--gray);margin-top:14px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px;}
.hero-tags span{
  font-size:12px;font-weight:700;color:var(--blue);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 14px;
}

/* AIチャット風モックアップ */
.ai-mock{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow);padding:22px;font-size:14px;
}
.ai-mock-bar{display:flex;align-items:center;gap:8px;margin-bottom:16px;color:var(--gray);font-size:12px;}
.ai-mock-bar .dot{width:9px;height:9px;border-radius:50%;background:var(--line);}
.ai-q{
  background:var(--sky);border-radius:14px 14px 4px 14px;
  padding:12px 16px;margin-left:auto;max-width:85%;width:fit-content;
  color:var(--navy);font-weight:500;margin-bottom:14px;
}
.ai-a{
  background:var(--ice);border:1px solid var(--line);
  border-radius:14px 14px 14px 4px;padding:14px 16px;max-width:95%;
}
.ai-a-label{display:flex;align-items:center;gap:7px;font-size:11px;font-weight:700;color:var(--blue);letter-spacing:.1em;margin-bottom:8px;}
.ai-a-label::before{content:"";width:18px;height:18px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--blue-light));}
.ai-a strong{color:var(--blue);background:linear-gradient(transparent 70%,rgba(79,163,220,.35) 70%);}
.ai-a small{display:block;color:var(--gray);margin-top:8px;font-size:12px;}

/* ---------- 課題セクション ---------- */
.problem-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.problem-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;display:flex;gap:16px;align-items:flex-start;
}
.problem-card .p-icon{
  flex:0 0 44px;height:44px;border-radius:12px;background:var(--sky);
  display:flex;align-items:center;justify-content:center;font-size:21px;
}
.problem-card h3{font-size:16.5px;color:var(--navy);margin-bottom:6px;line-height:1.6;}
.problem-card p{font-size:14px;color:var(--gray);line-height:1.8;}
.problem-close{
  margin-top:44px;text-align:center;font-family:var(--font-display);font-weight:700;
  font-size:clamp(18px,2.6vw,23px);color:var(--navy);line-height:2;
}

/* ---------- Value比較 ---------- */
.value-wrap{
  background:var(--navy);border-radius:24px;color:#fff;
  padding:64px 56px;position:relative;overflow:hidden;
}
.value-wrap::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(700px 400px at 90% 0%,rgba(79,163,220,.25),transparent 60%);
}
.value-wrap>*{position:relative;}
.value-wrap .eyebrow{color:var(--blue-light);}
.value-wrap .section-title{color:#fff;}
.value-copy{color:#C7D6E6;max-width:640px;margin-bottom:44px;}
.compare{display:grid;grid-template-columns:1fr auto 1fr;gap:22px;align-items:stretch;}
.compare-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:16px;padding:30px 28px;text-align:center;
}
.compare-card.win{background:#fff;color:var(--navy);border-color:#fff;}
.compare-label{font-size:13px;font-weight:700;letter-spacing:.1em;margin-bottom:10px;opacity:.85;}
.compare-price{font-family:var(--font-num);font-size:clamp(28px,4vw,40px);font-weight:700;line-height:1.2;}
.compare-price small{font-size:.45em;font-weight:600;margin-left:2px;}
.compare-card.win .compare-price{color:var(--blue);}
.compare-note{font-size:12.5px;margin-top:12px;opacity:.8;line-height:1.7;}
.compare-vs{
  align-self:center;font-family:var(--font-num);font-weight:700;font-size:18px;
  color:var(--blue-light);letter-spacing:.1em;
}
.value-points{margin-top:40px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.value-points li{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:12px;padding:16px 18px;font-size:14px;line-height:1.7;
}
.value-points li b{color:var(--blue-light);display:block;font-size:13px;letter-spacing:.06em;margin-bottom:4px;}

/* ---------- AIOセクション ---------- */
.aio-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.aio-points{margin:26px 0 34px;display:grid;gap:14px;}
.aio-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink);}
.aio-points li::before{
  content:"✓";flex:0 0 22px;height:22px;margin-top:4px;border-radius:50%;
  background:var(--sky);color:var(--blue);font-weight:700;font-size:13px;
  display:flex;align-items:center;justify-content:center;
}

/* ---------- サービス一覧 ---------- */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.service-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 28px;display:flex;flex-direction:column;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--blue-light);}
.service-card.featured{border:2px solid var(--blue);position:relative;}
.service-card.featured::before{
  content:"おすすめ";position:absolute;top:-12px;left:24px;
  background:var(--blue);color:#fff;font-size:11px;font-weight:700;
  letter-spacing:.1em;padding:3px 14px;border-radius:999px;
}
.service-tag{font-family:var(--font-num);font-size:11px;font-weight:600;letter-spacing:.18em;color:var(--blue);margin-bottom:10px;text-transform:uppercase;}
.service-card h3{font-size:18px;color:var(--navy);margin-bottom:10px;line-height:1.6;}
.service-card p{font-size:14px;color:var(--gray);flex:1;margin-bottom:22px;}
.service-link{font-size:14px;font-weight:700;color:var(--blue);display:inline-flex;align-items:center;gap:6px;}
.service-link::after{content:"→";font-family:var(--font-num);transition:transform .2s;}
.service-card:hover .service-link::after{transform:translateX(4px);}

/* ---------- 実績（準備中） ---------- */
.placeholder-box{
  border:1.5px dashed var(--line);border-radius:var(--radius);
  background:#fff;padding:48px 24px;text-align:center;color:var(--gray);font-size:14px;
}
.placeholder-box b{display:block;color:var(--navy);font-size:16px;margin-bottom:6px;}

/* ---------- お客様の声 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;text-align:left;}
.voice-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;display:flex;flex-direction:column;box-shadow:0 4px 18px rgba(11,37,69,.05);
}
.voice-tag{
  align-self:flex-start;font-size:11.5px;font-weight:700;letter-spacing:.08em;
  color:var(--blue);background:var(--sky);border-radius:999px;padding:4px 14px;margin-bottom:16px;
}
.voice-quote{font-size:14.5px;line-height:2;color:var(--ink);flex:1;}
.voice-meta{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--gray);}
.voice-note{margin-top:22px;font-size:12px;color:var(--gray);text-align:center;}
@media (max-width:880px){.voice-grid{grid-template-columns:1fr;}}

/* ---------- 問い合わせ ---------- */
.contact{background:linear-gradient(180deg,var(--ice),#fff);}
.contact-box{
  max-width:640px;margin:0 auto;background:#fff;border:1px solid var(--line);
  border-radius:20px;box-shadow:var(--shadow);padding:48px 44px;
}
.form-row{margin-bottom:22px;}
.form-row label{display:block;font-size:14px;font-weight:700;color:var(--navy);margin-bottom:8px;}
.form-row label .req{color:#D14545;font-size:11px;margin-left:6px;font-weight:700;}
.form-row input,.form-row textarea{
  width:100%;border:1.5px solid var(--line);border-radius:10px;
  padding:13px 16px;font-family:var(--font-body);font-size:15px;color:var(--ink);
  background:var(--ice);transition:border-color .2s,background .2s;
}
.form-row input:focus,.form-row textarea:focus{
  outline:none;border-color:var(--blue);background:#fff;
}
.form-row textarea{min-height:130px;resize:vertical;}
.form-submit{width:100%;margin-top:6px;}
.contact-note{text-align:center;font-size:12.5px;color:var(--gray);margin-top:16px;}

/* ---------- 画像 ---------- */
.hero-img,.page-hero-img{
  width:100%;height:auto;border-radius:18px;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.page-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}

/* ---------- 下層ページ共通 ---------- */
.page-hero{
  padding:150px 0 70px;
  background:linear-gradient(180deg,var(--sky),#fff);
  position:relative;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(23,105,181,.12) 1.2px,transparent 1.2px);
  background-size:24px 24px;
  -webkit-mask-image:linear-gradient(115deg,transparent 45%,#000 100%);
  mask-image:linear-gradient(115deg,transparent 45%,#000 100%);
}
.page-hero::after{
  content:"";position:absolute;pointer-events:none;
  width:380px;height:380px;border-radius:50%;
  border:54px solid rgba(79,163,220,.10);
  top:-140px;right:-120px;
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{font-size:12px;color:var(--gray);margin-bottom:22px;}
.breadcrumb a{color:var(--blue);}
.page-hero h1{
  font-family:var(--font-display);font-size:clamp(28px,4.2vw,40px);font-weight:900;
  color:var(--navy);line-height:1.5;margin-bottom:16px;
}
.page-hero .page-lead{color:var(--gray);max-width:680px;}

.detail-list{display:grid;gap:18px;}
.detail-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 30px;display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:flex-start;
}
.detail-item .d-num{
  font-family:var(--font-num);font-weight:700;font-size:14px;color:var(--blue);
  background:var(--sky);border-radius:10px;width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
}
.detail-item h3{font-size:17px;color:var(--navy);margin-bottom:6px;}
.detail-item p{font-size:14.5px;color:var(--gray);}

.price-card{
  max-width:560px;margin:0 auto;background:#fff;border:2px solid var(--blue);
  border-radius:20px;padding:44px 40px;text-align:center;box-shadow:var(--shadow);
}
.price-card .price-label{font-size:14px;font-weight:700;color:var(--gray);letter-spacing:.1em;margin-bottom:10px;}
.price-num{font-family:var(--font-num);font-size:48px;font-weight:700;color:var(--blue);line-height:1.2;}
.price-num small{font-size:.38em;font-weight:600;color:var(--gray);}
.price-card .price-note{font-size:12.5px;color:var(--gray);margin-top:14px;line-height:1.8;}

.cta-band{
  background:var(--navy);color:#fff;text-align:center;padding:80px 24px;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 50% 120%,rgba(79,163,220,.3),transparent 70%);
}
.cta-band::after{
  content:"";position:absolute;pointer-events:none;
  width:340px;height:340px;border-radius:50%;
  border:48px solid rgba(79,163,220,.10);
  bottom:-160px;left:-120px;
}
.cta-band>*{position:relative;z-index:1;}
.cta-band h2{font-family:var(--font-display);font-size:clamp(22px,3.4vw,30px);font-weight:700;line-height:1.7;margin-bottom:14px;}
.cta-band p{color:#C7D6E6;font-size:15px;margin-bottom:32px;}

/* ---------- Footer ---------- */
.footer{background:var(--ice);border-top:1px solid var(--line);padding:56px 0 110px;}
.footer-grid{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.footer-brand .brand-name{font-size:17px;}
.footer-brand p{font-size:13px;color:var(--gray);margin-top:8px;max-width:380px;}
.footer-nav{display:flex;gap:48px;flex-wrap:wrap;}
.footer-nav h4{font-size:13px;color:var(--navy);letter-spacing:.08em;margin-bottom:12px;}
.footer-nav ul{display:grid;gap:8px;font-size:13.5px;color:var(--gray);}
.footer-nav a:hover{color:var(--blue);}
.copyright{margin-top:44px;font-size:12px;color:var(--gray);text-align:center;}

/* ---------- 固定ボトムCTA ---------- */
.fixed-cta{
  position:fixed;bottom:0;left:0;right:0;z-index:90;
  background:rgba(255,255,255,.95);backdrop-filter:blur(8px);
  border-top:1px solid var(--line);padding:12px 16px;
  display:flex;justify-content:center;
}
.fixed-cta .btn-primary{font-size:15px;padding:13px 0;width:min(440px,100%);}

/* ---------- アニメーション ---------- */
.js .fade-up{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease;}
.js .fade-up.show{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:880px){
  .section{padding:68px 0;}
  .hero{padding:120px 0 64px;}
  .hero-grid,.aio-grid,.page-hero-grid{grid-template-columns:1fr;gap:40px;}
  .problem-grid{grid-template-columns:1fr;}
  .service-grid{grid-template-columns:1fr;}
  .value-wrap{padding:44px 26px;}
  .compare{grid-template-columns:1fr;}
  .compare-vs{justify-self:center;}
  .value-points{grid-template-columns:1fr;}
  .contact-box{padding:34px 24px;}
  .detail-item{grid-template-columns:1fr;gap:10px;}
  .footer{padding-bottom:120px;}
}