:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,.06);
  --panel-strong: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);
  --border: rgba(255,255,255,.14);
  --accent: #7c5cff;
  --accent2: #2fe1ff;
  --shadow: 0 20px 60px rgba(0,0,0,.35);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1100px 700px at 20% -10%, rgba(124,92,255,.35), transparent 70%),
    radial-gradient(900px 600px at 90% 10%, rgba(47,225,255,.20), transparent 65%),
    var(--bg);
  line-height: 1.7;
}

a{ color:inherit; }
.container{
  width: min(1080px, calc(100% - 40px));
  margin-inline:auto;
}

.skip-link{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px; height:1px;
  overflow:hidden;
}
.skip-link:focus{
  left:16px; top:16px;
  width:auto; height:auto;
  padding:10px 12px;
  background:#111a30;
  border:1px solid var(--border);
  border-radius:10px;
  z-index:1000;
}

.header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,.72);
  border-bottom: 1px solid var(--border);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
  gap: 16px;
}
.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  min-width: 220px;
}
.brand__mark{
  display:grid;
  place-items:center;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color:#081022;
  font-weight: 800;
}
.brand__name{
  font-weight: 700;
  letter-spacing: .02em;
}
.nav{
  display:flex;
  gap: 10px;
  align-items:center;
  flex-wrap: wrap;
  justify-content:flex-end;
}

.nav-toggle{
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  cursor: pointer;
  padding: 10px;
}
.nav-toggle:hover{
  border-color: rgba(255,255,255,.26);
  background: rgba(255,255,255,.08);
}
.nav-toggle__bar{
  display:block;
  height: 2px;
  background: rgba(255,255,255,.86);
  border-radius: 2px;
}
.nav-toggle__bar + .nav-toggle__bar{
  margin-top: 6px;
}

.nav__link{
  text-decoration:none;
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
  border: 1px solid transparent;
}
.nav__link:hover{
  color: var(--text);
  border-color: var(--border);
  background: rgba(255,255,255,.04);
}
.nav__cta{
  color: var(--text);
  border-color: rgba(124,92,255,.35);
  background: rgba(124,92,255,.12);
}

.hero{
  padding: 56px 0 28px;
}
.hero__inner{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  align-items: stretch;
}
.hero__title{
  font-size: clamp(28px, 4.2vw, 44px);
  line-height: 1.15;
  margin: 0 0 10px;
}
.hero__lead{
  margin: 0 0 18px;
  color: var(--muted);
}
.hero__actions{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}
.hero__card{
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 16px;
  display:grid;
  gap: 12px;
  align-content: start;
}
.stat{
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 14px;
  padding: 12px;
  background: rgba(0,0,0,.12);
}
.stat__label{
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.65);
}
.stat__value{
  margin-top: 6px;
  font-weight: 650;
}

.section{
  padding: 44px 0;
}
.section--alt{
  background: rgba(255,255,255,.03);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section__head{
  margin-bottom: 18px;
}
.section__title{
  margin: 0 0 6px;
  font-size: 22px;
}
.section__desc{
  margin: 0;
  color: var(--muted);
}

.card{
  border: 1px solid var(--border);
  background: rgba(255,255,255,.05);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 10px 30px rgba(0,0,0,.22);
}

.grid-2{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.service__title{
  margin: 0 0 8px;
  font-size: 18px;
}
.service__text{
  margin: 0 0 10px;
  color: var(--muted);
}
.list{
  margin: 0;
  padding-left: 18px;
  color: rgba(255,255,255,.82);
}
.dl-grid{
  margin:0;
  display:grid;
  gap: 10px;
}
.dl-grid__row{
  display:grid;
  grid-template-columns: 160px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.dl-grid__row:last-child{ border-bottom:none; }
dt{ color: rgba(255,255,255,.76); }
dd{ margin:0; color: rgba(255,255,255,.92); }

.form{
  display:grid;
  gap: 14px;
}
.form__row{
  display:grid;
  gap: 6px;
}
.form__label{
  font-weight: 650;
}
.req{
  color: #ff7b7b;
  font-weight: 800;
}
.form__input, .form__textarea{
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(0,0,0,.18);
  color: var(--text);
  outline: none;
}
.form__input:focus, .form__textarea:focus{
  border-color: rgba(124,92,255,.7);
  box-shadow: 0 0 0 4px rgba(124,92,255,.15);
}
.form__hint{
  margin: 0;
  font-size: 13px;
  color: rgba(255,255,255,.62);
}
.form__actions{
  display:flex;
  align-items:center;
  gap: 12px;
  flex-wrap: wrap;
}
.form__status{
  margin: 0;
  color: rgba(255,255,255,.78);
  min-height: 1.2em;
}
.form__privacy{
  margin: 0;
  font-size: 13px;
  color: rgba(255,255,255,.62);
}

.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  color: var(--text);
  text-decoration:none;
  cursor:pointer;
  font-weight: 650;
}
.button:hover{
  border-color: rgba(255,255,255,.26);
  background: rgba(255,255,255,.08);
}
.button:disabled{
  opacity: .65;
  cursor:not-allowed;
}
.button--primary{
  border-color: rgba(124,92,255,.55);
  background: linear-gradient(135deg, rgba(124,92,255,.32), rgba(47,225,255,.18));
}
.button--ghost{
  background: transparent;
}

.footer{
  padding: 26px 0 40px;
  border-top: 1px solid var(--border);
  background: rgba(0,0,0,.12);
}
.footer__inner{
  color: rgba(255,255,255,.62);
}

.about-figure{
  margin: 0;
}

.about-image{
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}

@media (max-width: 880px){
  .hero__inner{ grid-template-columns: 1fr; }
  .dl-grid__row{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .brand{ min-width: unset; }

  /* ハンバーガー表示 */
  .nav-toggle{ display: inline-grid; align-content: center; }
  .nav{ display: none; }

  /* 開いたとき（JSで .nav--open を付与） */
  .nav.nav--open{
    display: grid;
    position: absolute;
    right: 20px;
    top: 64px;
    /*width: min(320px, calc(100vw - 40px));*/
    gap: 6px;

    /* ここの余白が大きく感じやすいので少し詰める */
    padding: 6px;

    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(11,18,32,.92);
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 60px rgba(0,0,0,.35);
    z-index: 100;
  }

  .nav.nav--open .nav__link{
    /* リンクをブロック化して左端から揃える（余白感を減らす） */
    display: block;
    width: 100%;

    /* 左右の内側余白を少し小さく */
    padding: 10px 10px;
  }
}