:root{
  --bg: #f6f7f9;
  --text: #101828;
  --muted: #667085;
  --card: #ffffff;
  --border: #e5e7eb;
  --shadow: 0 10px 30px rgba(16,24,40,.08);

  --radius: 16px;
  --max: 980px;
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
               Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
}

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

.container{
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.skip{
  position: absolute;
  left: -9999px;
  top: 12px;
  background: #fff;
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 10px;
  z-index: 10;
}
.skip:focus{ left: 12px; }

/* ===== HERO ===== */
.hero{
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 480px;   /* 320px → 480px（+50%） */
  padding: 28px 0 44px;
  color: #fff;
}

/* 背景画像だけを明るく（./img/0.jpg） */
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background: url("./img/0.jpg") center/cover no-repeat;
  /* filter: brightness(1.25) saturate(1.05); */
  transform: scale(1.02);
  z-index: 0;
}

/* 読みやすさ用の薄い暗幕（強すぎない） */
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(120deg, rgba(2,6,23,.55), rgba(2,6,23,.15));
  z-index: 0;
}

.hero__overlay{
  position: absolute;
  inset: 0;
  background: radial-gradient(1000px 480px at 30% 10%, rgba(255,255,255,.14), transparent 60%);
  pointer-events: none;
  z-index: 1;
}

.hero__inner{
  position: relative;
  z-index: 2;
}

.topbar{
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 16px;
}

.brand{
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand__logo{
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: block;
  background: rgba(255,255,255,.10);
}
.brand__name{
  font-weight: 700;
  letter-spacing: .2px;
  font-size: 18px;
}

.hero__copy{
  margin-top: 42px;
  max-width: 720px;
}
.hero__copy h1{
  margin: 0 0 8px;
  font-size: clamp(32px, 3.2vw, 42px);
  letter-spacing: .2px;
  text-shadow: 0 2px 14px rgba(0,0,0,.35);
}
.hero__copy p{
  margin: 0 0 48px;
  color: rgba(255,255,255,.90);
  text-shadow: 0 2px 14px rgba(0,0,0,.30);
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.26);
  backdrop-filter: blur(6px);
  text-decoration: none;
}
.btn:hover{
  text-decoration: none;
  background: rgba(255,255,255,.20);
}

/* ===== CONTENT ===== */
.main{ padding: 38px 0 56px; }

.section__title{
  margin: 0 0 16px;
  font-size: 20px;
  letter-spacing: .2px;
}

.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 18px;
}

.profile{ margin: 0; }
.profile__row{
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 14px;
  padding: 14px 6px;
  border-top: 1px solid var(--border);
}
.profile__row:first-child{
  border-top: 0;
  padding-top: 6px;
}
.profile dt{
  font-weight: 600;
  color: var(--muted);
}
.profile dd{ margin: 0; }

.list{
  margin: 0;
  padding-left: 18px;
}
.list li{ margin: 2px 0; }

/* ===== FOOTER ===== */
.footer{
  border-top: 1px solid var(--border);
  background: #fff;
}

/* 追加：フッターロゴ */
.footer__brand{
  padding: 18px 0 6px;
  display: flex;
  justify-content: center;
}
.footer__brandImg{
  width: min(520px, 92%);
  height: auto;
  display: block;
}

.footer__inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0 18px;
  color: var(--muted);
}
.toTop{ color: var(--muted); }

@media (max-width: 720px){
  .footer__inner{
    flex-direction: column;
    align-items: flex-start;
  }
}