/* =========================================================
   プロ・ムビカ 公式サイト 共通スタイル
   合同会社ステレオ・スキップ
   ========================================================= */

:root {
  --navy: #122a4a;
  --navy-dark: #0c1d33;
  --teal: #16a0a6;
  --teal-dark: #0f7d82;
  --orange: #f2622e;
  --orange-dark: #d84e1d;
  --ink: #23303d;
  --gray: #5f6c7a;
  --light: #f4f7fa;
  --line: #e2e8ef;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(18, 42, 74, .10);
  --shadow-lg: 0 20px 50px rgba(18, 42, 74, .16);
  --max: 1160px;
  --font: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.8;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: 92%; max-width: var(--max); margin: 0 auto; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .6rem 0;
}
.brand { display: flex; align-items: center; gap: .7rem; }
.brand img { height: 42px; width: auto; border-radius: 6px; }
.brand .brand-sub { font-size: .72rem; color: var(--gray); letter-spacing: .02em; }
.brand strong { display: block; font-size: 1rem; color: var(--navy); letter-spacing: .04em; }

.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  width: 44px; height: 44px; position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 10px; width: 24px; height: 2px;
  background: var(--navy); transition: .25s;
}
.nav-toggle span { top: 21px; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav-toggle.open span { background: transparent; }
.nav-toggle.open span::before { top: 0; transform: rotate(45deg); }
.nav-toggle.open span::after { top: 0; transform: rotate(-45deg); }

.nav-links { display: flex; align-items: center; gap: .3rem; list-style: none; }
.nav-links a {
  display: block; padding: .5rem .7rem; font-size: .92rem; font-weight: 500;
  color: var(--ink); border-radius: 8px; transition: .2s;
}
.nav-links a:hover { background: var(--light); color: var(--teal-dark); }
.nav-links a.active { color: var(--teal-dark); font-weight: 700; }
.nav-links .btn-ss {
  background: var(--navy); color: #fff; margin-left: .4rem;
}
.nav-links .btn-ss:hover { background: var(--teal-dark); color:#fff; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 1.6rem; border-radius: 50px; font-weight: 700;
  font-size: 1rem; cursor: pointer; border: 0; transition: .25s;
  text-align: center;
}
.btn-primary { background: var(--orange); color: #fff; box-shadow: 0 8px 20px rgba(242,98,46,.3); }
.btn-primary:hover { background: var(--orange-dark); transform: translateY(-2px); }
.btn-outline { background: #fff; color: var(--navy); border: 2px solid var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-teal { background: var(--teal); color:#fff; }
.btn-teal:hover { background: var(--teal-dark); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 60%, #14365e 100%);
  color: #fff; position: relative; overflow: hidden;
}
.hero::after{
  content:""; position:absolute; right:-120px; top:-120px;
  width: 420px; height:420px; border-radius:50%;
  background: radial-gradient(circle, rgba(22,160,166,.35), transparent 70%);
}
.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 2.5rem;
  align-items: center; padding: 3.8rem 0 4rem;
}
.hero-logos { display:flex; align-items:center; gap: .9rem; margin-bottom: 1.4rem; flex-wrap: wrap; }
.hero-logos img { height: 46px; background: #fff; padding: 6px 10px; border-radius: 10px; }
.hero h1 { font-size: 2.5rem; line-height: 1.35; letter-spacing: .01em; }
.hero h1 .accent { color: #ffd166; }
.hero p.lead { margin-top: 1.1rem; font-size: 1.08rem; color: #d7e2f0; }
.hero-cta { margin-top: 1.9rem; display: flex; gap: .8rem; flex-wrap: wrap; }
.hero-figure { position: relative; z-index: 2; }
.hero-figure img { border-radius: 18px; box-shadow: var(--shadow-lg); }
.badge-ribbon {
  position:absolute; left:-10px; top:14px; background: var(--orange);
  color:#fff; font-weight:700; font-size:.82rem; padding:.45rem .9rem;
  border-radius: 8px; box-shadow: var(--shadow);
}

/* ---------- Hero Banner (full image) ---------- */
.hero-banner {
  position: relative;
  background: #0a1a30;
  line-height: 0;
}
.hero-banner-img {
  width: 100%;
  height: auto;
  display: block;
}
.hero-banner-badge {
  left: auto; right: 20px; top: 20px;
  font-size: .9rem; padding: .55rem 1.1rem; z-index: 3;
}
.hero-banner-cta {
  position: absolute;
  left: 50%;
  bottom: 5%;
  transform: translateX(-50%);
  display: flex;
  gap: .9rem;
  flex-wrap: wrap;
  justify-content: center;
  z-index: 3;
  line-height: 1.6;
}
.btn-outline-light {
  background: rgba(255,255,255,.1);
  color: #fff;
  border: 2px solid rgba(255,255,255,.85);
  backdrop-filter: blur(4px);
}
.btn-outline-light:hover { background: #fff; color: var(--navy); }

@media (max-width: 760px) {
  /* 画像下にCTAを置く（画像に重ねない） */
  .hero-banner { padding-bottom: 1.4rem; background: #0a1a30; }
  .hero-banner-cta {
    position: static;
    transform: none;
    margin: 1.2rem auto 0;
  }
  .hero-banner-badge { font-size: .74rem; padding: .4rem .7rem; right: 10px; top: 10px; }
}
@media (max-width: 420px) {
  .hero-banner-cta .btn { padding: .7rem 1.1rem; font-size: .9rem; }
}

/* ---------- Sections ---------- */
.section { padding: 4rem 0; }
.section.alt { background: var(--light); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 2.6rem; }
.section-head .eyebrow {
  display:inline-block; color: var(--teal-dark); font-weight:700; letter-spacing:.14em;
  font-size:.8rem; text-transform: uppercase; margin-bottom:.6rem;
}
.section-head h2 { font-size: 1.9rem; color: var(--navy); line-height:1.4; }
.section-head p { margin-top: .8rem; color: var(--gray); }

/* page hero (下層ページ共通) */
.page-hero {
  background: linear-gradient(135deg, var(--navy), #14365e);
  color:#fff; padding: 2.6rem 0; text-align:center;
}
.page-hero h1 { font-size: 1.9rem; letter-spacing:.03em; }
.page-hero p { color:#cfe0f0; margin-top:.5rem; }
.breadcrumb { font-size:.8rem; color:#b9ccdf; margin-top:.8rem; }
.breadcrumb a { color:#dfeaf6; text-decoration:underline; }

/* ---------- Feature cards ---------- */
.grid { display:grid; gap: 1.4rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background:#fff; border:1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem; box-shadow: var(--shadow); transition:.25s; height:100%;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card .ico {
  width: 56px; height:56px; border-radius: 14px; display:flex; align-items:center;
  justify-content:center; font-size: 1.6rem; margin-bottom: 1rem;
  background: rgba(22,160,166,.12); color: var(--teal-dark);
}
.card.orange .ico { background: rgba(242,98,46,.12); color: var(--orange-dark); }
.card h3 { color: var(--navy); font-size: 1.15rem; margin-bottom:.5rem; }
.card p { color: var(--gray); font-size:.95rem; }

/* ---------- Use case ---------- */
.usecase {
  display:grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items:center;
  margin-bottom: 2.4rem;
}
.usecase:nth-child(even) .uc-text { order: 2; }
.usecase img { border-radius: var(--radius); box-shadow: var(--shadow); background:#fff; }
.uc-text .tag {
  display:inline-block; background: var(--teal); color:#fff; font-size:.78rem;
  font-weight:700; padding:.3rem .8rem; border-radius: 50px; margin-bottom:.8rem;
}
.uc-text h3 { color: var(--navy); font-size:1.35rem; margin-bottom:.6rem; }
.uc-text p { color: var(--gray); }

/* ---------- Spec table ---------- */
.spec-table { width:100%; border-collapse: collapse; background:#fff; border-radius: var(--radius); overflow:hidden; box-shadow: var(--shadow); }
.spec-table th, .spec-table td { padding: 1rem 1.1rem; text-align:left; border-bottom:1px solid var(--line); font-size:.95rem; }
.spec-table th { background: var(--navy); color:#fff; font-weight:600; }
.spec-table tbody th { background: var(--light); color: var(--navy); width: 34%; }
.spec-table tr:last-child td, .spec-table tr:last-child th { border-bottom:0; }

.size-cards { display:grid; grid-template-columns: repeat(4,1fr); gap:1.2rem; }
.size-card { background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding:1.5rem; text-align:center; box-shadow: var(--shadow); }
.size-card .sz { font-size:1.6rem; font-weight:800; color: var(--orange); }
.size-card .inch { font-size:1.9rem; font-weight:800; color: var(--navy); margin:.3rem 0; }
.size-card .dim { font-size:.86rem; color: var(--gray); }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
  color:#fff; text-align:center; padding: 3.2rem 0;
}
.cta-band h2 { font-size:1.7rem; }
.cta-band p { margin:.7rem auto 1.6rem; max-width:620px; color:#e7fbfb; }

/* ---------- Form ---------- */
.form-wrap { max-width: 760px; margin:0 auto; background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 2.2rem; box-shadow: var(--shadow); }
.form-row { margin-bottom: 1.3rem; }
.form-row label { display:block; font-weight:600; color: var(--navy); margin-bottom:.45rem; font-size:.95rem; }
.form-row label .req { color: var(--orange); font-size:.8rem; margin-left:.3rem; }
.form-row input, .form-row select, .form-row textarea {
  width:100%; padding:.8rem .9rem; border:1px solid var(--line); border-radius:10px;
  font-size:1rem; font-family: var(--font); background:#fcfdfe; transition:.2s;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline:none; border-color: var(--teal); box-shadow:0 0 0 3px rgba(22,160,166,.15);
}
.form-row textarea { min-height: 150px; resize: vertical; }
.form-note { font-size:.85rem; color: var(--gray); margin-top: 1rem; }
.form-hint { background: var(--light); border-left:4px solid var(--teal); padding:1rem 1.1rem; border-radius:8px; font-size:.9rem; color: var(--gray); margin-bottom:1.6rem; }

/* ---------- Company / counter ---------- */
.counter-box {
  text-align:center; background:#fff; border:1px solid var(--line); border-radius: var(--radius);
  padding: 2rem; box-shadow: var(--shadow); max-width: 420px; margin: 2rem auto 0;
}
.counter-box .label { color: var(--gray); font-size:.9rem; letter-spacing:.08em; }
.counter-digits {
  display:inline-flex; gap:.35rem; margin:1rem 0 .4rem; justify-content:center;
}
.counter-digits span {
  background: var(--navy); color:#ffd166; font-weight:800; font-size:1.9rem;
  padding:.45rem .65rem; border-radius:10px; min-width: 46px; font-variant-numeric: tabular-nums;
}
.counter-box .sub { font-size:.8rem; color: var(--gray); }

.info-table { width:100%; border-collapse:collapse; background:#fff; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); }
.info-table th, .info-table td { padding:1rem 1.1rem; border-bottom:1px solid var(--line); text-align:left; font-size:.95rem; vertical-align:top; }
.info-table th { background: var(--light); color: var(--navy); width:30%; font-weight:600; }
.info-table tr:last-child th, .info-table tr:last-child td { border-bottom:0; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-dark); color:#c6d3e2; padding: 3rem 0 1.5rem; margin-top: 0; }
.footer-grid { display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
.footer-grid h4 { color:#fff; font-size:1rem; margin-bottom: 1rem; }
.footer-grid ul { list-style:none; }
.footer-grid ul li { margin-bottom:.5rem; font-size:.9rem; }
.footer-grid a:hover { color:#fff; text-decoration:underline; }
.footer-logo img { height: 40px; background:#fff; padding:5px 9px; border-radius:8px; margin-bottom:1rem; }
.footer-grid p { font-size:.88rem; color:#9fb2c7; }
.footer-ss-btn {
  display:inline-flex; align-items:center; gap:.4rem; margin-top: .6rem;
  background: var(--teal); color:#fff; padding:.6rem 1rem; border-radius:8px; font-size:.88rem; font-weight:600;
}
.footer-ss-btn:hover { background: var(--teal-dark); color:#fff; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.12); margin-top:2rem; padding-top:1.2rem; text-align:center; font-size:.82rem; color:#8698ac; }

/* ---------- Utility ---------- */
.text-center { text-align:center; }
.mt-2 { margin-top: 2rem; }
.check-list { list-style:none; }
.check-list li { position:relative; padding-left: 1.9rem; margin-bottom:.7rem; color: var(--ink); }
.check-list li::before {
  content:"✓"; position:absolute; left:0; top:0; color:#fff; background: var(--teal);
  width:1.35rem; height:1.35rem; border-radius:50%; font-size:.8rem; display:flex;
  align-items:center; justify-content:center; font-weight:700;
}

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .hero-figure { order:-1; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2,1fr); }
  .size-cards { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav-toggle { display:block; }
  .nav-links {
    position: absolute; top: 100%; left:0; right:0; flex-direction: column;
    align-items: stretch; background:#fff; border-bottom:1px solid var(--line);
    padding:.6rem 5%; gap:.1rem; display:none; box-shadow: var(--shadow);
  }
  .nav-links.open { display:flex; }
  .nav-links a { padding:.8rem .6rem; border-radius:8px; }
  .nav-links .btn-ss { margin:.4rem 0 0; text-align:center; }
  .usecase, .usecase:nth-child(even) .uc-text { grid-template-columns:1fr; order:0; }
  .usecase img { order:-1; }
}
@media (max-width: 520px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .size-cards { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 1.7rem; }
  .section-head h2 { font-size:1.5rem; }
  .footer-grid { grid-template-columns: 1fr; }
}