/* style.css */
:root{
  --bg: #07090b;
  --bg2:#0a0f0c;
  --panel: rgba(255,255,255,0.06);
  --panel2: rgba(255,255,255,0.08);
  --border: rgba(255,255,255,0.14);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.70);
  --subtle: rgba(255,255,255,0.55);

  --accent: #22ffaa;
  --accent2:#2bd9ff;

  --grad: linear-gradient(135deg, rgba(34,255,170,0.85), rgba(43,217,255,0.45));
  --grad2: linear-gradient(135deg, rgba(34,255,170,0.35), rgba(34,255,170,0.02));

  --shadow: 0 18px 50px rgba(0,0,0,0.45);
  --radius: 18px;

  --container: 1080px;
  --header-h: 72px;

  --ease: cubic-bezier(.2,.8,.2,1);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 500px at 15% 5%, rgba(34,255,170,0.14), transparent 55%),
    radial-gradient(850px 520px at 95% 60%, rgba(43,217,255,0.10), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  line-height: 1.75;
  letter-spacing: .02em;
  text-rendering: optimizeLegibility;
}

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: none; }

img{ max-width: 100%; display:block; }
button, input, textarea{ font: inherit; color: inherit; }

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

.skip-link{
  position: absolute;
  left: 12px;
  top: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.18);
  transform: translateY(-140%);
  transition: transform .2s var(--ease);
  z-index: 9999;
}
.skip-link:focus{ transform: translateY(0); outline: none; }

/* Header */
.site-header{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  backdrop-filter: blur(14px);
  background: rgba(8,10,12,0.62);
  border-bottom: 1px solid rgba(255,255,255,0.10);
}

.header-inner{
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.header-shadow{
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34,255,170,0.45), transparent);
  opacity: .5;
}

.logo{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 8px;
  border-radius: 12px;
}
.logo:focus-visible{
  outline: 2px solid rgba(34,255,170,0.6);
  outline-offset: 3px;
}
.logo-mark{
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--grad);
  box-shadow: 0 0 0 4px rgba(34,255,170,0.14);
}
.logo-text{
  font-weight: 750;
  letter-spacing: .08em;
  font-size: 14px;
}

/* Nav */
.site-nav{ display: block; }
.nav-list{
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  margin: 0;
}
.nav-link{
  display: inline-flex;
  align-items: center;
  padding: 10px 10px;
  border-radius: 12px;
  color: var(--muted);
  font-weight: 650;
  font-size: 13px;
  letter-spacing: .03em;
  position: relative;
}
.nav-link:hover{ color: var(--text); background: rgba(255,255,255,0.06); }
.nav-link.is-active{
  color: var(--text);
  background: rgba(34,255,170,0.12);
  border: 1px solid rgba(34,255,170,0.22);
}
.nav-link.is-active::after{
  content:"";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 6px;
  height: 2px;
  background: linear-gradient(90deg, rgba(34,255,170,0.0), rgba(34,255,170,0.75), rgba(34,255,170,0.0));
  border-radius: 999px;
  opacity: .85;
}

.nav-toggle{
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
}
.nav-toggle:focus-visible{
  outline: 2px solid rgba(34,255,170,0.6);
  outline-offset: 3px;
}
.nav-toggle-lines{
  display: block;
  width: 18px;
  height: 12px;
  margin: 0 auto;
  position: relative;
}
.nav-toggle-lines::before,
.nav-toggle-lines::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  height:2px;
  background: rgba(255,255,255,0.85);
  border-radius: 999px;
  transition: transform .25s var(--ease), top .25s var(--ease), opacity .25s var(--ease);
}
.nav-toggle-lines::before{ top: 2px; }
.nav-toggle-lines::after{ top: 8px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-lines::before{ top: 5px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-lines::after{ top: 5px; transform: rotate(-45deg); }

/* Sections */
.section{
  padding: 92px 0;
  position: relative;
}
.section-alt{
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.section-head{
  margin-bottom: 28px;
}
.section-title{
  font-size: clamp(24px, 2.6vw, 34px);
  letter-spacing: .05em;
  margin: 0 0 10px;
  font-weight: 820;
}
.section-lead{
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  max-width: 78ch;
}

/* HERO */
.hero{
  padding-top: calc(var(--header-h) + 46px);
  padding-bottom: 72px;
  overflow: hidden;
}
.bg-grid{
  position:absolute;
  inset: 0;
  pointer-events: none;
  opacity: .95;
}
.grid-svg{
  width: 100%;
  height: 100%;
  display:block;
}

.hero-inner{
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 26px;
  align-items: center;
}
.hero-content{
  max-width: 680px;
}
.hero-eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(34,255,170,0.25);
  background: rgba(34,255,170,0.06);
  color: rgba(255,255,255,0.88);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .08em;
  margin: 0 0 14px;
}
.hero-title{
  margin: 0 0 12px;
  font-size: clamp(34px, 4.8vw, 58px);
  line-height: 1.12;
  letter-spacing: .03em;
  font-weight: 900;
  background: linear-gradient(135deg, rgba(255,255,255,0.96), rgba(255,255,255,0.78), rgba(34,255,170,0.92));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-subtitle{
  margin: 0 0 14px;
  color: var(--text);
  font-weight: 720;
  font-size: clamp(16px, 2vw, 20px);
}
.hero-desc{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
  max-width: 70ch;
}

.hero-cta{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  font-weight: 750;
  font-size: 14px;
  letter-spacing: .04em;
  transition: transform .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease), opacity .18s var(--ease);
  user-select: none;
}
.btn:hover{ transform: translateY(-1px); background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.22); }
.btn:active{ transform: translateY(0); }
.btn:focus-visible{ outline: 2px solid rgba(34,255,170,0.6); outline-offset: 3px; }

.btn-primary{
  background: linear-gradient(135deg, rgba(34,255,170,0.95), rgba(43,217,255,0.55));
  border-color: rgba(34,255,170,0.35);
  color: rgba(0,0,0,0.85);
}
.btn-primary:hover{
  background: linear-gradient(135deg, rgba(34,255,170,1), rgba(43,217,255,0.68));
}
.btn-ghost{
  background: rgba(255,255,255,0.04);
}
.btn[disabled],
.btn:disabled{
  opacity: .62;
  cursor: not-allowed;
  transform: none;
}

.hero-stats{
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.stat{
  padding: 12px 12px;
  border-radius: 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
}
.stat-kicker{
  display:block;
  color: var(--subtle);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: .08em;
}
.stat-value{
  display:block;
  margin-top: 6px;
  font-weight: 780;
  letter-spacing: .02em;
  font-size: 13px;
}

.hero-card{
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.04));
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}
.hero-card::before{
  content:"";
  position:absolute;
  inset: -1px;
  background: linear-gradient(135deg, rgba(34,255,170,0.26), transparent 55%);
  pointer-events:none;
}
.hero-card-top{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}
.chip{
  display:flex;
  gap: 8px;
}
.dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.14);
}
.dot:nth-child(2){ background: rgba(34,255,170,0.28); border-color: rgba(34,255,170,0.22); }
.hero-card-title{
  margin:0;
  font-weight: 800;
  letter-spacing: .06em;
  font-size: 12px;
  color: rgba(255,255,255,0.80);
}
.hero-card-body{
  padding: 18px 16px 18px;
  position: relative;
}
.signal{
  display:flex;
  gap: 8px;
  height: 90px;
  align-items: flex-end;
  margin-bottom: 14px;
}
.bar{
  width: 10px;
  height: var(--h);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(34,255,170,0.95), rgba(34,255,170,0.15));
  box-shadow: 0 0 0 1px rgba(34,255,170,0.15);
}
.hero-card-note{
  margin:0;
  color: var(--muted);
  font-size: 14px;
}
.hero-bottom-fade{
  position:absolute;
  left:0; right:0; bottom:-1px;
  height: 120px;
  background: linear-gradient(180deg, transparent, rgba(7,9,11,0.92));
  pointer-events:none;
}

/* Feature Grid */
.feature-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}
.feature-card{
  border-radius: var(--radius);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 18px 18px 16px;
}
.feature-icon{
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(34,255,170,0.08);
  border: 1px solid rgba(34,255,170,0.18);
  display:flex;
  align-items:center;
  justify-content:center;
}
.icon-svg{ width: 22px; height: 22px; color: rgba(255,255,255,0.90); }
.feature-title{
  margin: 12px 0 6px;
  font-weight: 850;
  letter-spacing: .03em;
  font-size: 16px;
}
.feature-text{
  margin:0;
  color: var(--muted);
  font-size: 14px;
}

/* Service */
.service-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}
.service-card{
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.14);
  padding: 18px 18px 16px;
  position: relative;
  overflow: hidden;
}
.service-card::before{
  content:"";
  position:absolute;
  inset:-1px;
  background: radial-gradient(420px 220px at 25% 0%, rgba(34,255,170,0.18), transparent 55%);
  pointer-events:none;
}
.service-badge{
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight: 900;
  letter-spacing: .06em;
  color: rgba(0,0,0,0.82);
  background: var(--grad);
  margin-bottom: 12px;
}
.service-title{
  margin: 0 0 8px;
  font-weight: 900;
  letter-spacing: .02em;
  font-size: 18px;
}
.service-text{
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
}
.service-points{
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
  color: rgba(255,255,255,0.84);
  font-size: 13px;
}
.service-points li{
  padding-left: 14px;
  position: relative;
}
.service-points li::before{
  content:"";
  position:absolute;
  left:0;
  top: .65em;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(34,255,170,0.9);
  box-shadow: 0 0 0 3px rgba(34,255,170,0.14);
}

/* Philosophy */
.philosophy-card{
  border-radius: calc(var(--radius) + 6px);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.14);
  padding: 22px 20px;
  position: relative;
  overflow: hidden;
}
.philosophy-accent{
  position:absolute;
  inset: -2px;
  background: radial-gradient(620px 300px at 80% 0%, rgba(34,255,170,0.20), transparent 55%);
  pointer-events:none;
}
.quote-mark{
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: rgba(34,255,170,0.08);
  border: 1px solid rgba(34,255,170,0.18);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.quote-svg{ width: 34px; height: 34px; color: rgba(255,255,255,0.9); }
.philosophy-lines{
  position: relative;
  z-index: 1;
  font-size: 16px;
}
.philosophy-lines p{
  margin: 0 0 10px;
  color: rgba(255,255,255,0.86);
}
.philosophy-lines p:last-child{ margin-bottom: 0; }
.philosophy-strong{
  font-weight: 900;
  font-size: 18px;
  letter-spacing: .03em;
  color: rgba(255,255,255,0.94);
  background: var(--grad2);
  border: 1px solid rgba(34,255,170,0.18);
  padding: 10px 12px;
  border-radius: 16px;
}

/* Company */
.company-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}
.company-card{
  border-radius: var(--radius);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 18px 18px 16px;
  position: relative;
  overflow:hidden;
}
.company-card::before{
  content:"";
  position:absolute;
  inset:-1px;
  background: radial-gradient(520px 260px at 15% 0%, rgba(43,217,255,0.10), transparent 60%);
  pointer-events:none;
}
.company-dl{
  margin:0;
  display:grid;
  grid-template-columns: 120px 1fr;
  gap: 10px 14px;
  position: relative;
  z-index: 1;
}
.company-dl dt{
  color: var(--subtle);
  font-weight: 800;
  letter-spacing: .04em;
  font-size: 13px;
}
.company-dl dd{
  margin:0;
  font-weight: 650;
  color: rgba(255,255,255,0.88);
  font-size: 14px;
}
.company-subtitle{
  margin: 0 0 10px;
  font-weight: 900;
  letter-spacing: .04em;
  font-size: 16px;
  position: relative;
  z-index: 1;
}
.company-list{
  margin: 0 0 14px;
  padding-left: 18px;
  color: var(--muted);
  position: relative;
  z-index: 1;
}
.company-list li{ margin: 6px 0; font-size: 14px; }
.company-badge{
  display:flex;
  align-items:center;
  gap: 10px;
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid rgba(34,255,170,0.18);
  background: rgba(34,255,170,0.06);
  position: relative;
  z-index: 1;
}
.badge-dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(34,255,170,0.95);
  box-shadow: 0 0 0 4px rgba(34,255,170,0.14);
}
.badge-text{
  font-weight: 800;
  letter-spacing: .05em;
  font-size: 12px;
  color: rgba(255,255,255,0.85);
}

/* Contact */
.contact-grid{
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 14px;
  margin-top: 18px;
}
.contact-card{
  border-radius: var(--radius);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 18px 18px 16px;
}
.form{
  display: grid;
  gap: 14px;
}
.form-row{ display:grid; gap: 8px; }
.label{
  font-weight: 850;
  letter-spacing: .03em;
  font-size: 13px;
  color: rgba(255,255,255,0.88);
}
.req{
  color: rgba(34,255,170,0.95);
  font-weight: 900;
}
.input, .textarea{
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.20);
  color: rgba(255,255,255,0.92);
  outline: none;
  transition: border-color .18s var(--ease), background .18s var(--ease), box-shadow .18s var(--ease);
  font-size: 16px; /* per requirement: 16px+ */
}
.input:focus, .textarea:focus{
  border-color: rgba(34,255,170,0.45);
  box-shadow: 0 0 0 4px rgba(34,255,170,0.14);
  background: rgba(0,0,0,0.30);
}
.textarea{ resize: vertical; min-height: 140px; }
.help{
  margin: -2px 0 0;
  color: rgba(255,255,255,0.55);
  font-size: 12px;
}
.error{
  margin: 0;
  color: rgba(255,120,120,0.95);
  font-size: 12px;
  min-height: 1.2em;
}
.form-check .check-wrap{
  display:flex;
  align-items: flex-start;
  gap: 10px;
}
.checkbox{
  margin-top: 2px;
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}
.check-label{
  font-size: 13px;
  font-weight: 800;
  color: rgba(255,255,255,0.88);
}
.inline-link{
  color: rgba(34,255,170,0.95);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.inline-link:hover{ opacity: .9; }
.form-actions{
  margin-top: 2px;
  display:grid;
  gap: 8px;
}
.btn-submit{
  width: 100%;
  padding: 14px 16px;
  position: relative;
}
.btn-label{ display:inline-block; }
.btn-spinner{
  width: 16px;
  height: 16px;
  border-radius: 999px;
  border: 2px solid rgba(0,0,0,0.28);
  border-top-color: rgba(0,0,0,0.82);
  display: none;
  animation: spin 0.8s linear infinite;
}
.is-loading .btn-spinner{ display: inline-block; }
.is-loading .btn-label{ opacity: .9; }
.form-note{
  margin: 0;
  color: rgba(255,255,255,0.55);
  font-size: 12px;
}

.contact-side{
  display:grid;
  gap: 14px;
}
.side-card{
  border-radius: var(--radius);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  padding: 18px 18px 16px;
}
.side-title{
  margin: 0 0 8px;
  font-weight: 900;
  letter-spacing: .03em;
  font-size: 16px;
}
.side-list{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}
.side-list li{ margin: 6px 0; font-size: 14px; }
.side-text{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.side-meter{
  margin-top: 12px;
  display:flex;
  gap: 8px;
}
.meter-line{
  height: 10px;
  flex: 1;
  border-radius: 999px;
  border: 1px solid rgba(34,255,170,0.18);
  background: linear-gradient(90deg, rgba(34,255,170,0.22), rgba(34,255,170,0.02));
}
.meter-line:nth-child(2){
  background: linear-gradient(90deg, rgba(43,217,255,0.18), rgba(43,217,255,0.02));
  border-color: rgba(43,217,255,0.14);
}

/* Privacy */
.privacy-card{
  border-radius: var(--radius);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 18px 18px 16px;
}
.privacy-title{
  margin: 16px 0 8px;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: .03em;
}
.privacy-title:first-child{ margin-top: 0; }
.privacy-text{
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 14px;
}
.privacy-list{
  margin: 0 0 12px;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
}
.privacy-box{
  margin-top: 10px;
  border-radius: 16px;
  border: 1px solid rgba(34,255,170,0.18);
  background: rgba(34,255,170,0.06);
  padding: 12px 12px;
}
.privacy-box-row{
  margin: 0;
  display:flex;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.privacy-box-row:last-child{ border-bottom: none; }
.privacy-k{
  width: 92px;
  color: rgba(255,255,255,0.72);
  font-weight: 850;
  font-size: 12px;
  letter-spacing: .03em;
}
.privacy-v{
  color: rgba(255,255,255,0.86);
  font-weight: 700;
  font-size: 13px;
}
.back-to-top{ margin-top: 18px; }

/* Footer */
.site-footer{
  border-top: 1px solid rgba(255,255,255,0.08);
  background: rgba(8,10,12,0.66);
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 12px;
}
.footer-copy{
  margin:0;
  color: rgba(255,255,255,0.70);
  font-size: 13px;
  letter-spacing: .03em;
}
.footer-link{
  color: rgba(34,255,170,0.95);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .03em;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.footer-link:hover{ opacity: .9; }

/* Reveal animations */
[data-reveal]{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  will-change: opacity, transform;
}
.is-revealed{
  opacity: 1;
  transform: translateY(0);
}
.js-hero-animate{
  opacity: 0;
  transform: translateY(16px);
}
.js-hero-animate.is-hero-in{
  opacity: 1;
  transform: translateY(0);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}

/* Keyframes */
@keyframes spin{
  to{ transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 980px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-card{ max-width: 560px; }
  .company-grid{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 820px){
  .nav-toggle{ display: inline-flex; align-items:center; justify-content:center; }
  .site-nav{
    position: absolute;
    top: calc(var(--header-h) + 8px);
    left: 20px;
    right: 20px;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(8,10,12,0.94);
    backdrop-filter: blur(14px);
    padding: 10px;
    box-shadow: 0 18px 50px rgba(0,0,0,0.40);
    display: none;
  }
  .site-nav.is-open{ display:block; }
  .nav-list{ flex-direction: column; align-items: stretch; gap: 6px; }
  .nav-link{ justify-content: space-between; padding: 12px 12px; }
  .nav-link.is-active::after{ display:none; }
  .feature-grid{ grid-template-columns: 1fr; }
  .service-grid{ grid-template-columns: 1fr; }
  .hero-stats{ grid-template-columns: 1fr; }
}

@media (max-width: 520px){
  .section{ padding: 78px 0; }
  .hero{ padding-top: calc(var(--header-h) + 36px); }
  .company-dl{ grid-template-columns: 92px 1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ transition: none !important; animation: none !important; }
  [data-reveal]{ opacity: 1; transform: none; }
  .js-hero-animate{ opacity: 1; transform: none; }
}
/* Netlify honeypot 非表示 */
.sr-only{
  position:absolute!important;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}
/* JSが止まっても本文は必ず表示する保険 */
.js-hero-animate{ opacity: 1 !important; transform: none !important; }