:root{
  --bg:#f2f1ee;
  --panel:#ffffff;
  --text:#1f232a;
  --muted:#616872;
  --line:rgba(0,0,0,.10);
  --soft:rgba(0,0,0,.04);
  --shadow:0 14px 34px rgba(0,0,0,.10);
  --radius:18px;
  --max:1040px;
  --font: ui-sans-serif, system-ui, -apple-system, "Noto Sans JP","Segoe UI",
          "Hiragino Kaku Gothic ProN","Meiryo", sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background: var(--bg);
}

.container{
  width:min(var(--max), calc(100% - 48px));
  margin:0 auto;
}

a{color:inherit}
.link{
  border-bottom:1px solid rgba(0,0,0,.22);
  text-decoration:none;
  padding-bottom:2px;
}
.link:hover{border-bottom-color: rgba(0,0,0,.45);}

.header{
  position:sticky;
  top:0;
  z-index:50;
  background: rgba(242,241,238,.85);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}

.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  gap:16px;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
}

.brand__mark{
  width:30px;
  height:30px;
  border-radius:12px;
  background: linear-gradient(135deg, rgba(0,0,0,.10), rgba(0,0,0,.02));
  border:1px solid var(--line);
  box-shadow:0 10px 22px rgba(0,0,0,.10);
}

.brand__text{
  display:flex;
  flex-direction:column;
  line-height:1.1;
}

.brand__name{
  font-weight:650;
  letter-spacing:.04em;
}

.brand__sub{
  font-size:12px;
  color:var(--muted);
  margin-top:2px;
}

.nav{display:flex; align-items:center; gap:14px}
.nav__menu{display:flex; gap:18px; align-items:center}
.nav__link{
  text-decoration:none;
  color:var(--muted);
  font-size:14px;
  padding:8px 10px;
  border-radius:12px;
  transition:.18s;
}
.nav__link:hover{
  background:var(--soft);
  color:var(--text);
}

.nav__toggle{display:none}

/* ================= HERO ================= */

.hero{
  position:relative;
  padding:76px 0 44px;
}

.hero__grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:20px;
  align-items:start;
}

.hero__kicker{
  margin:0;
  color:var(--muted);
  letter-spacing:.18em;
  text-transform:uppercase;
  font-size:12px;
}

.hero__title{
  margin:14px 0 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height:1.12;
  letter-spacing:.01em;
  white-space: nowrap;   /* PCでは1行固定 */
}

.hero__lead{
  margin:14px 0 0;
  color:var(--muted);
  line-height:1.75;
  max-width:62ch;
}

.hero__cta{
  display:flex;
  gap:12px;
  margin-top:22px;
  flex-wrap:wrap;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 16px;
  border-radius:14px;
  border:1px solid rgba(0,0,0,.14);
  background: rgba(255,255,255,.85);
  text-decoration:none;
  font-size:14px;
  transition:.18s;
  box-shadow:0 12px 24px rgba(0,0,0,.10);
}

.btn:hover{
  transform:translateY(-1px);
  background:rgba(255,255,255,.95);
}

.btn--ghost{
  background: rgba(255,255,255,.60);
  box-shadow:none;
}

.hero__meta{
  margin-top:18px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.pill{
  display:inline-flex;
  align-items:center;
  padding:8px 10px;
  border-radius:999px;
  border:1px solid rgba(0,0,0,.10);
  background: rgba(255,255,255,.70);
  color:var(--muted);
  font-size:12px;
}

/* お知らせ位置を少し下げる */
.hero__right{
  margin-top:32px;
}

/* ================= NOTICE ================= */

.notice{
  background: rgba(255,255,255,.90);
  border:1px solid rgba(0,0,0,.10);
  border-radius: var(--radius);
  padding:16px;
  box-shadow: var(--shadow);
}

.notice__head{
  display:flex;
  align-items:center;
  gap:8px;
}

.notice__label{
  font-size:12px;
  letter-spacing:.12em;
}

.notice__dot{
  width:10px;
  height:10px;
  border-radius:999px;
  background: rgba(0,0,0,.15);
  animation: blink 1.3s infinite;
}

@keyframes blink{
  0%,60%{opacity:1}
  70%{opacity:.3}
  100%{opacity:1}
}

.notice__body{
  margin-top:10px;
  color:var(--muted);
  font-size:13px;
  line-height:1.7;
}

/* ================= SECTION ================= */

.section{padding:56px 0}

.section--alt{
  background: rgba(255,255,255,.45);
  border-top:1px solid rgba(0,0,0,.08);
  border-bottom:1px solid rgba(0,0,0,.08);
}

.section__title{
  margin:0;
  font-size:22px;
  letter-spacing:.06em;
}

.section__sub{
  margin:6px 0 18px;
  color:var(--muted);
  font-size:12px;
  letter-spacing:.22em;
  text-transform:uppercase;
}

.grid{display:grid; gap:16px}
.grid--2{grid-template-columns: 1.1fr .9fr}
.grid--3{grid-template-columns: repeat(3,1fr)}

.card{
  background: rgba(255,255,255,.90);
  border:1px solid rgba(0,0,0,.10);
  border-radius: var(--radius);
  padding:18px;
  box-shadow: var(--shadow);
}

.card__title{
  margin:0;
  font-size:16px;
}

.card__text{
  margin:10px 0 0;
  color:var(--muted);
  line-height:1.8;
}

.callout{
  margin-top:16px;
  padding:14px 16px;
  border-radius: var(--radius);
  border:1px solid rgba(0,0,0,.10);
  background: rgba(255,255,255,.85);
  box-shadow: var(--shadow);
}

.callout__mark{
  font-weight:650;
  margin-right:8px;
}

/* ================= FOOTER ================= */

.footer{
  margin-top:26px;
  padding:16px 0 28px;
  border-top:1px solid rgba(0,0,0,.10);
}

.footer__inner{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
}

.footer__copy{
  margin-top:6px;
  color:var(--muted);
  font-size:12px;
}

/* ================= MOBILE ================= */

@media (max-width:920px){

  .hero__grid{
    grid-template-columns:1fr;
  }

  .hero__title{
    white-space: normal;   /* スマホでは折返し */
  }

  .grid--3,
  .grid--2{
    grid-template-columns:1fr;
  }
}