/* =========================================================
   Responsive Red Web Template (Static)
   - Mobile-first, accessible, no dependencies
   ========================================================= */

:root{
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-2: #fff1f2;          /* light red tint */
  --text: #111827;               /* near-black */
  --muted: #6b7280;              /* gray */
  --border: #e5e7eb;
  --primary: #dc2626;            /* red */
  --primary-2: #b91c1c;          /* dark red */
  --primary-soft: #DC26261F;
  --link: #b91c1c;
  --shadow: 0 10px 30px #11182714;
  --radius: 8px;
  --radius-sm: 6px;
  --maxw: 1120px;
  --header-h: 72px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  line-height:1.6;
  color:var(--text);
  background:var(--bg);
}

a{ color:var(--link); text-decoration:none; }
a:hover{ text-decoration:underline; }
img{ max-width:100%; display:block; }

.container{
  width:min(100% - 32px, var(--maxw));
  margin-inline:auto;
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:#FFFFFFDB;
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid #E5E7EBB2;
}
.header-inner{
  height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
}
.brand img{ width:180px; height:auto; }

.nav{
  display:flex;
  align-items:center;
  gap:18px;
}
.nav a{
  color:var(--text);
  font-weight:600;
  padding:10px 10px;
  border-radius:4px;
}
.nav a:hover{
  background: var(--primary);
  color:#ffffff;
  text-decoration:none;
}
.nav a[aria-current="page"]{
  background:var(--primary-soft);
  color:var(--primary-2);
}

.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 16px;
  border-radius:4px;
  border:1px solid transparent;
  font-weight:700;
  letter-spacing:.02em;
  cursor:pointer;
  transition:transform .08s ease, background .2s ease, border-color .2s ease;
  user-select:none;
  white-space:nowrap;
}
.btn:active{ transform:translateY(1px); }

.btn-primary{
  color:white;
  background:linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 10px 20px #DC26262E;
}
.btn-primary:hover{ filter:saturate(1.05) brightness(1.02); text-decoration:none; }

.btn-ghost{
  color:var(--text);
  background:transparent;
  border-color: var(--border);
}
.btn-ghost:hover{
  background:var(--surface-2);
  text-decoration:none;
}

/* Mobile menu */
.hamburger{
  display:none;
  width:44px;
  height:44px;
  border-radius:4px;
  border:1px solid var(--border);
  background:#fff;
  cursor:pointer;
}
.hamburger svg{ width:22px; height:22px; margin:auto; display:block; }
.mobile-panel{
  display:none;
  border-top:1px solid var(--border);
  background:#fff;
}
.mobile-panel .container{
  padding:14px 0 20px;
}
.mobile-nav{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.mobile-nav a{
  padding:12px 12px;
  border-radius:4px;
  color:var(--text);
  font-weight:700;
}
.mobile-nav a:hover{
  background: var(--primary);
  color:#ffffff;
  text-decoration:none;
}
.mobile-panel .cta-row{
  display:flex;
  gap:10px;
  margin-top:12px;
  flex-wrap:wrap;
}

/* Hero */
.hero{
  background:
    url("../img/ig.jpg") center/cover no-repeat;
  padding: 56px 0 36px;
}
.hero-grid{
  display:grid;
  gap:26px;
  align-items:center;
}
.hero-card{
  background:#FFFFFFD9;
  border:1px solid #E5E7EBBF;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  color:var(--primary-2);
  background:var(--primary-soft);
  padding:8px 12px;
  border-radius:4px;
}
.hero h1{
  font-size: clamp(28px, 3.6vw, 44px);
  line-height:1.15;
  margin: 14px 0 10px;
  letter-spacing:-.02em;
}
.hero p{
  margin:0 0 18px;
  color:var(--muted);
  font-size: clamp(15px, 1.35vw, 18px);
}
.hero-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.hero-meta{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-top:16px;
  color:var(--muted);
  font-weight:600;
}
.meta-item{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:#fff;
  border:1px solid #E5E7EBCC;
  padding:10px 12px;
  border-radius:4px;
}

/* Sections */
.section{
  padding: 46px 0;
}
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:14px;
  margin-bottom:18px;
}
.section h2{
  margin:0;
  font-size: clamp(22px, 2.3vw, 30px);
  letter-spacing:-.01em;
}
.section .lead{
  margin:0;
  color:var(--muted);
  max-width:62ch;
}

/* Cards */
.grid{
  display:grid;
  gap:16px;
}
.grid-3{ grid-template-columns: 1fr; }
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius: var(--radius);
  padding:18px;
  box-shadow: 0 8px 18px #1118270D;
}
.card h3{ margin:0 0 8px; font-size:18px; }
.card p{ margin:0; color:var(--muted); }
.icon{
  width:44px;
  height:44px;
  border-radius:6px;
  background:var(--primary-soft);
  display:grid;
  place-items:center;
  margin-bottom:10px;
}
.icon svg{ width:22px; height:22px; }

/* Two-column */
.split{
  display:grid;
  gap:16px;
  align-items:start;
}
.panel{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius: var(--radius);
  padding:20px;
}

/* List */
.list{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.list-item{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  padding:14px 14px;
  border:1px solid var(--border);
  border-radius: 6px;
  background:#fff;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border-radius:4px;
  background:var(--surface-2);
  color:var(--primary-2);
  font-weight:800;
  font-size:12px;
  white-space:nowrap;
}
.small{
  font-size:14px;
  color:var(--muted);
}

/* CTA band */
.cta-band{
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color:#fff;
  border-radius: calc(var(--radius) + 4px);
  padding: 22px;
  display:flex;
  flex-direction:column;
  gap:14px;
  box-shadow: 0 16px 40px #B91C1C38;
}
.cta-band a{ color:#fff; }
.cta-band p{ margin:0; opacity:.92; }
.cta-band .cta-actions{ display:flex; gap:10px; flex-wrap:wrap; }
.btn-invert{
  background:#fff;
  color:var(--primary-2);
}
.btn-invert:hover{ text-decoration:none; filter:brightness(.98); }

/* Footer */
.site-footer{
  margin-top:32px;
  padding: 40px 0 26px;
  border-top:1px solid var(--border);
  background: #fff;
}
.footer-grid{
  display:grid;
  gap:16px;
}
.footer-col h4{ margin:0 0 10px; font-size:14px; letter-spacing:.04em; text-transform:uppercase; color:#374151; }
.footer-col a{ color:var(--muted); font-weight:650; }
.footer-col a:hover{ color:var(--primary-2); text-decoration:none; }
.footer-bottom{
  margin-top:18px;
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  color:var(--muted);
  font-weight:600;
  font-size:14px;
}

/* Forms */
.form{
  display:grid;
  gap:12px;
}
.field{
  display:grid;
  gap:6px;
}
label{ font-weight:700; }
input, textarea, select{
  width:100%;
  padding:12px 12px;
  border-radius: 6px;
  border:1px solid var(--border);
  font: inherit;
  background:#fff;
}
input:focus, textarea:focus, select:focus{
  outline: 3px solid var(--primary-soft);
  border-color: #DC262673;
}
textarea{ min-height: 140px; resize:vertical; }
.helper{ color:var(--muted); font-size: 13px; }

/* Responsive */
@media (min-width: 860px){
  .hero-grid{ grid-template-columns: 1.2fr .8fr; }
  .grid-3{ grid-template-columns: repeat(3, 1fr); }
  .split{ grid-template-columns: 1fr 1fr; }
  .footer-grid{ grid-template-columns: 1.3fr 1fr 1fr; }
}
@media (max-width: 920px){
  .nav, .header-actions .btn-ghost{ display:none; 
  .header-actions{ margin-left:auto; }
}
  .hamburger{ display:inline-grid; place-items:center; }
}
@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior:auto; transition:none !important; }
}

/* Dropdown (Global Menu) */
.nav .has-sub{
  position: relative;
}
/* Hover bridge to prevent submenu from disappearing while moving cursor */
.nav .has-sub::before{
  content:"";
  position:absolute;
  left:-10px;
  right:-10px;
  top: calc(100% - 2px);
  height: 12px; /* bridge area */
}

.nav .has-sub > a{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.nav .has-sub > a .caret{
  width:10px;
  height:10px;
  display:inline-block;
  transform: translateY(1px);
}
.submenu{
  position:absolute;
  z-index: 60;
  top: 100%;
  margin-top: 6px;
  left: 0;
  min-width: 320px;
  padding: 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: var(--shadow);
  display:none;
}
.submenu a{
  display:block;
  padding: 10px 12px;
  border-radius: 4px;
  color: var(--text);
  font-weight: 750;
}
.submenu a:hover{
  background: var(--primary);
  color:#ffffff;
  text-decoration:none;
}
.nav .has-sub:hover .submenu,
.nav .has-sub:focus-within .submenu{
  display:block;
}

/* Mobile: show submenu items inside panel as a nested list */
.mobile-subhead{
  font-size: 12px;
  color: var(--muted);
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin: 6px 2px 2px;
}
.mobile-sub{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding-left: 10px;
  border-left: 3px solid var(--primary-soft);
}
.mobile-sub a{
  font-weight: 700;
}

/* Align global menu to the right (except logo) */
.header-inner{ justify-content:flex-start; }
.nav{ margin-left:auto; }
.header-actions{ margin-left: 12px; }

.hamburger:hover,
.hamburger:focus-visible{
  background: var(--primary);
}
.hamburger:hover svg path,
.hamburger:focus-visible svg path{
  stroke:#ffffff;
}

.mobile-sub a:hover{
  background: var(--primary);
  color:#ffffff;
}

/* Force brand to left, menus to right */
.site-header .header-inner{
  display:flex;
  align-items:center;
}
.site-header .brand{
  margin-right:auto;
}
.site-header .header-actions{
  margin-left:auto !important;
}

/* 「上に戻る」ボタン（btn-ghost）のホバー */
.btn.btn-ghost:hover,
.btn.btn-ghost:focus-visible{
  background: var(--primary);
  color: #ffffff;
  text-decoration: none;
}

/* アイコンやSVGがある場合にも白くする */
.btn.btn-ghost:hover svg path,
.btn.btn-ghost:focus-visible svg path{
  stroke: #ffffff;
  fill: #ffffff;
}

/* ===== Header: logo left, global menu always right ===== */

.site-header .header-inner{
  display: flex;
  align-items: center;
}

/* ロゴは左に固定 */
.site-header .brand{
  margin-right: auto;
}

/* グローバルメニューは常に右寄せ */
.site-header .nav{
  margin-left: auto;
}

/* バーガーメニューも常に右端 */
.site-header .header-actions{
  margin-left: auto;
}

/* ===== Footer "上に戻る" button hover: match global menu ===== */
.site-footer .footer-topbtn:hover,
.site-footer .footer-topbtn:focus-visible{
  background: var(--primary);
  color: #ffffff;
  text-decoration: none;
}

/* 改行しない画像 */
.inline-link img {
  display: inline-block;
  vertical-align: middle;
  margin-left: 2px;
}