/* SmartScanDoc - Static Landing Page (IIS ready) */

:root{
  --bg: #ffffff;
  --text: #1b1f24;
  --muted: #606a76;
  --line: rgba(0,0,0,.10);
  --card: rgba(255,255,255,.88);
  --shadow: 0 18px 50px rgba(0,0,0,.10);
  --radius: 18px;

  --brand-red: #b0121b;
  --brand-blue: #0b4a78;
  --header-height: 72px; /* 実際のヘッダー高さ */
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.6;
}

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

.container{
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header{
  position: sticky;
  height: var(--header-height);
  z-index: 50;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
}

.brand-logo{ height: 40px; }

.nav{ display:flex; align-items:center; gap: 12px; }
.nav-toggle{
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  cursor: pointer;
}
.nav-toggle span{
  display:block;
  height:2px;
  margin: 7px 10px;
  background: #111;
  border-radius: 99px;
}
.nav-list{
  list-style: none;
  display:flex;
  align-items:center;
  gap: 18px;
  margin:0; padding:0;
}
.nav-list a{
  font-size: 14px;
  color: #111;
  opacity: .92;
}
.nav-list a.pill{
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
}
.nav-list a.pill:hover{
  text-decoration:none;
  border-color: rgba(0,0,0,.22);
}

.hero{
  position: relative;
  min-height: 40%;
  display:flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image: url("assets/hero.png");
  background-size: cover;
  background-position: center;
  filter: saturate(1.05);
  transform: scale(1.02);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(1100px 600px at 22% 40%, rgba(255,255,255,.92), rgba(255,255,255,.68) 42%, rgba(255,255,255,.10) 70%),
    linear-gradient(to bottom, rgba(255,255,255,.18), rgba(255,255,255,.0));
}
.hero-content{ position: relative; padding: 60px 0; }
.hero-copy{
  width: min(620px, 100%);
  background: rgba(255,255,255,.60);
  border: 1px solid rgba(255,255,255,.55);
  border-radius: 24px;
  padding: 28px 26px;
  box-shadow: var(--shadow);
}
.eyebrow{
  display:inline-block;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--brand-blue);
  border-left: 4px solid var(--brand-red);
  padding-left: 10px;
  margin: 0 0 10px;
}
h1{
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.15;
}
.lead{
  margin: 0 0 18px;
  color: #1e242b;
  font-size: 16px;
}
.cta{ display:flex; gap: 12px; flex-wrap: wrap; margin: 16px 0 10px; }
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,.12);
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  text-decoration: none !important;
}
.btn.primary{
  background: linear-gradient(180deg, #c31721, #a70d15);
  border-color: rgba(0,0,0,.12);
  color: #fff;
}
.btn.ghost{
  background: rgba(255,255,255,.84);
}
.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0px); }

.trust{
  list-style:none;
  display:flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  padding:0; margin: 14px 0 0;
  color: #1f2933;
  font-size: 13px;
}

.section{ padding: 64px 0; }
.section.alt{ background: #f6f8fb; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2{ margin: 0 0 10px; font-size: 28px; line-height:1.2; }
.sub{ margin: 0 0 22px; color: var(--muted); }

.grid{ display:grid; gap: 16px; }
.grid.cards{ grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid.two{ grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }

.card, .panel{
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
  box-shadow: 0 10px 26px rgba(0,0,0,.06);
}
.card h3, .panel h3{ margin: 0 0 8px; font-size: 18px; }
.card p, .panel p{ margin: 0; color: #2a313a; }

.steps{
  list-style:none;
  padding: 0; margin: 0;
  display:grid;
  gap: 14px;
}
.step{
  display:flex;
  gap: 14px;
  align-items:flex-start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px;
}
.step-no{
  width: 40px; height: 40px;
  border-radius: 14px;
  display:flex; align-items:center; justify-content:center;
  font-weight: 900;
  color: #fff;
  background: linear-gradient(180deg, var(--brand-blue), #07365a);
}
.step-body h3{ margin: 0 0 4px; }
.step-body p{ margin: 0; color: var(--muted); }

.bullets{
  margin: 10px 0 0;
  padding-left: 18px;
  color: #2a313a;
}
.codebox{
  border: 1px dashed rgba(0,0,0,.22);
  border-radius: 14px;
  padding: 14px 14px;
  background: rgba(11,74,120,.04);
}
.codebox code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
}
.hint{ color: var(--muted); margin-top: 10px !important; }

.contact{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  align-items:start;
}
.contact-form{
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 10px 26px rgba(0,0,0,.06);
}
.contact-form label{
  display:block;
  font-size: 13px;
  color: #2a313a;
  margin-bottom: 12px;
}
.contact-form input, .contact-form textarea{
  width: 100%;
  margin-top: 6px;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,.14);
  padding: 12px 12px;
  font: inherit;
}
.contact-form textarea{ resize: vertical; }
.tiny{ font-size: 12px; color: var(--muted); margin: 10px 0 0; }

.footer{
  background: #0b1220;
  color: rgba(255,255,255,.88);
  padding: 26px 0;
}
.footer-inner{
  display:grid;
  gap: 10px;
  align-items:center;
}
.footer-logo{ height: 42px; filter: brightness(1.12); }
.footer-links{ display:flex; flex-wrap:wrap; gap: 12px; }
.footer-links a{ font-size: 13px; opacity: .9; }
.footer-links a:hover{ opacity: 1; }
copyright, .copyright{ font-size: 12px; opacity: .7; }

.br-md{ display:none; }

@media (max-width: 980px){
  .grid.cards{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .contact{ grid-template-columns: 1fr; }
  .hero{ min-height: 520px; }
}
@media (max-width: 720px){
  .nav-toggle{ display:block; }
  .nav-list{
    position: absolute;
    right: 20px;
    top: 64px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 10px;
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    min-width: 220px;
    display: none;
  }
  .nav-list.open{ display:flex; }
  .nav-list a{ padding: 10px 12px; border-radius: 12px; }
  .nav-list a:hover{ background: rgba(0,0,0,.04); text-decoration:none; }
  .nav-list a.pill{ border: none; background: rgba(176,18,27,.10); }
  .hero-copy{ padding: 22px 18px; }
  .br-md{ display:inline; }
  .grid.cards{ grid-template-columns: 1fr; }
  .grid.two{ grid-template-columns: 1fr; }
}