:root{
  --bg:#ffffff;
  --text:#0f1115;
  --muted:#59606a;
  --line:rgba(231,234,238,.95);
  --shadow: rgba(15,17,21,.06);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI",
    "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
}

.wrap{
  width:min(1080px, calc(100% - 40px));
  margin:0 auto;
}

/* -------- Background: “気配”だけ動く（白基調） -------- */
.bg{
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:-1;
}

.blob{
  position:absolute;
  width:560px;
  height:560px;
  border-radius:999px;
  filter: blur(56px);
  opacity:.28;
  transform: translate3d(0,0,0);
  animation: drift 22s ease-in-out infinite;
}

.blob--1{
  left:-220px; top:-240px;
  background: radial-gradient(circle at 30% 30%, rgba(225,238,255,.95), rgba(255,255,255,0) 62%);
  animation-duration: 24s;
}
.blob--2{
  right:-260px; bottom:-260px;
  background: radial-gradient(circle at 30% 30%, rgba(247,236,255,.9), rgba(255,255,255,0) 62%);
  animation-duration: 28s;
  animation-direction: reverse;
}

@keyframes drift{
  0%{ transform:translate(0,0) scale(1); }
  50%{ transform:translate(18px,-10px) scale(1.03); }
  100%{ transform:translate(0,0) scale(1); }
}

.grain{
  position:absolute;
  inset:0;
  opacity:.02;
  background-image:
    repeating-linear-gradient(0deg, rgba(0,0,0,.8), rgba(0,0,0,.8) 1px, transparent 1px, transparent 3px);
  mix-blend-mode: soft-light;
}

/* ---------------- Header ---------------- */
.header{
  position:sticky;
  top:0;
  background: rgba(255,255,255,.72);
  backdrop-filter: blur(10px);
  border-bottom:1px solid rgba(231,234,238,.7);
  z-index:10;
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
}
.brand__dot{
  width:10px;
  height:10px;
  border-radius:999px;
  background:rgba(15,17,21,.85);
}
.brand__text{
  font-size:13px;
  letter-spacing:.14em;
}

.link{
  color:var(--muted);
  text-decoration:none;
  font-size:13px;
}
.link:hover{ color:var(--text); }

/* ---------------- Hero ---------------- */
.hero{ padding:56px 0 28px; }

.hero__inner{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
  align-items:start;
}

.hero__copy{ animation: rise .8s ease-out both; }
@keyframes rise{
  from{ opacity:0; transform:translateY(12px); }
  to  { opacity:1; transform:translateY(0); }
}

.kicker{
  margin:0 0 8px;
  color:var(--muted);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
}

.title{
  margin:0 0 10px;
  font-size:30px;
  line-height:1.25;
  letter-spacing:-.02em;
}

.lead{
  margin:0 0 14px;
  color:var(--muted);
  font-size:14px;
}

.tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.tag{
  font-size:12px;
  color:var(--muted);
  border:1px solid var(--line);
  background:#fff;
  padding:8px 12px;
  border-radius:999px;
}

/* B：一言＋CSSで少し強調 */
.strength-line{
  margin:14px 0 0;
  display:inline-block;
  padding:8px 12px;
  border-radius:12px;
  border:1px solid rgba(231,234,238,.9);
  background:rgba(255,255,255,.86);
  color:rgba(15,17,21,.78);
  font-size:13px;
}

/* ---- Hero image: フチなし、馴染ませるだけ ---- */
.hero__image{
  margin:8px 0 0;
  border:0;              /* 重要：フチ完全なし */
  border-radius:26px;    /* 画像自体を少しだけ角丸 */
  overflow:hidden;
  background:transparent;
  box-shadow: 0 18px 46px rgba(15,17,21,.06); /* うっすら浮かせる（フチではない） */
}

/* ---- Hero image: フチ完全なし（影もなし） ---- */
.hero__image{
    margin:8px 0 0;
    border:0 !important;
    border-radius:0 !important;   /* 角丸が境界を作るので一旦オフ */
    overflow:visible !important;  /* 角丸クリップもしない */
    background:transparent !important;
    box-shadow:none !important;   /* これが“縁”の正体 */
  }
  
  .hero__image img{
    display:block;
    width:100%;
    height:auto;
    background:#fff;              /* 画像の余白が透過の時に備えて白固定 */
    border-radius:0 !important;
    box-shadow:none !important;
    filter:none !important;       /* drop-shadow系が入ってると縁に見える */
  }
  

/* ---------------- Sections ---------------- */
.section{ padding:34px 0; }
.section--alt{ padding:34px 0 48px; }

.head{ margin-bottom:18px; }
.h2{
  margin:0;
  font-size:18px;
  letter-spacing:.06em;
}
.sub{
  margin:6px 0 0;
  color:var(--muted);
  font-size:13px;
}

/* cards */
.grid{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
}

.card{
  border:1px solid rgba(231,234,238,.75);
  border-radius:18px;
  background:#fff;
  box-shadow: 0 18px 36px var(--shadow);
  padding:16px 16px 14px;
}

.eyebrow{
  margin:0 0 6px;
  color:var(--muted);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.h3{
  margin:0 0 10px;
  font-size:16px;
  line-height:1.45;
}
.list{
  margin:0;
  padding-left:18px;
  color:rgba(15,17,21,.8);
  font-size:13.5px;
}
.list li{ margin:6px 0; }

.card--wide{ padding:16px; }

.chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.chip{
  font-size:12.5px;
  color:rgba(15,17,21,.78);
  border:1px solid rgba(231,234,238,.9);
  background:#fff;
  padding:8px 12px;
  border-radius:999px;
}

/* ---------------- Footer ---------------- */
.footer{
  border-top:1px solid rgba(231,234,238,.7);
  padding:22px 0 28px;
}
.footer__inner{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.sig__brand{
  margin:0 0 4px;
  letter-spacing:.14em;
  font-size:13px;
}
.sig__line{
  margin:0;
  color:rgba(15,17,21,.78);
  font-size:13px;
}
.sig__line a{
  color:rgba(15,17,21,.75);
  text-decoration:none;
  border-bottom:1px solid rgba(15,17,21,.18);
}
.sig__line a:hover{ color:var(--text); border-bottom-color:rgba(15,17,21,.35); }

.sig-note{
  margin:10px 0 0;
  color:var(--muted);
  font-size:12.5px;
}

.copy{
  margin:0;
  color:rgba(15,17,21,.5);
  font-size:12px;
}

/* ---------------- Desktop ---------------- */
@media (min-width:900px){
  .hero{ padding:72px 0 40px; }

  .hero__inner{
    grid-template-columns: 1.08fr .92fr;
    gap:36px;
    align-items:center;
  }
  .title{ font-size:46px; }
  .lead{ font-size:15px; }

  .grid{
    grid-template-columns: 1fr 1fr;
    gap:16px;
  }
  .footer__inner{
    flex-direction:row;
    align-items:flex-end;
    justify-content:space-between;
  }
}

/* ---------------- Reduced motion ---------------- */
@media (prefers-reduced-motion: reduce){
  .hero__copy{ animation:none; }
  .blob{ animation:none; }
}