:root{
  --bg-top:#f9fbfc;
  --bg:#ffffff;
  --text:#0f172a;
  --muted:#56627a;
  --border:#e6eef2;
  --primary:#0ea5e9;
  --secondary:#10b981;
  --container:1200px;
  --btn-h:64px;
  --btn-w:200px;
  --radius:12px;
}

/* =========================
   Reset / Base
   ========================= */

*{
  box-sizing:border-box;
}

html,body{
  height:100%;
}

body{
  padding-top:130px; /* topbar + nav の合計高さに合わせて調整 */
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,
    "Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic","Meiryo",sans-serif;
  color:var(--text);
  background:#ffffff;
}

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

.container{
  width:min(100%,var(--container));
  margin-inline:auto;
  padding-inline:24px;
}

section{
  padding:56px 0;
}

/* 共通・薄いテキスト */
.muted{
  color:var(--muted);
}

/* ページ内の注釈用（※など） */
.text-note{
  font-size:12px;
  color:var(--muted);
  margin-top:6px;
}

/* =========================
   Header：上部固定帯（共通）
   ========================= */

.topbar{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:70;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
}

.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:10px 0;
}

.brand-wrap{
  display:flex;
  align-items:center;
  gap:10px;
}

.brand-wrap img{
  height:60px;
  width:auto;
}

.brand{
  font-weight:800;
  letter-spacing:.02em;
}

/* 右側コンタクトブロック */
.contact{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:4px;
  color:var(--muted);
  font-size:14px;
}

.contact-row{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}

.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border:1px solid var(--border);
  border-radius:999px;
  background:#fff;
}

/* 上部帯専用の注記 */
.contact-note{
  margin-top:4px;
  font-size:13px;
  color:var(--muted);
  line-height:1.4;
}

/* =========================
   Header：グローバルナビ（共通）
   ========================= */

header.nav{
  position:fixed;
  top:81px;
  left:0;
  right:0;
  z-index:69;
  border-bottom:1px solid var(--border);
  background:#fff;
}

header.nav .inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
}

nav ul{
  display:flex;
  gap:18px;
  margin:0;
  padding:0;
  list-style:none;
}

nav a{
  color:#1e293b;
  font-weight:600;
}

nav a:hover{
  color:var(--primary);
}

/* =========================
   Header：現在ページ強調
   ========================= */

header.nav li.is-current a {
  color: var(--primary);
  position: relative;
  font-weight: 700;
}

header.nav li.is-current a::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--primary);
  border-radius: 2px;
}

/* =========================
   Header：レスポンシブ
   ========================= */

@media (max-width: 900px){
  .topbar-inner{
    flex-direction:column;
    align-items:flex-start;
    gap:10px;
  }

  .contact{
    width:100%;
    align-items:flex-start;
  }

  .contact-row{
    width:100%;
    gap:6px;
  }

  .pill{
    max-width:100%;
    word-break:break-word;
  }

  header.nav .inner{
    display:block;
    padding:10px 0;
  }

  header.nav nav{
    width:100%;
  }

  header.nav ul{
    flex-wrap:wrap;
    gap:10px 14px;
  }
}

@media (max-width: 720px){
  body{
    padding-top:0;
  }

  main{
    padding-top:0;
  }

  .topbar{
    position:sticky;
    top:0;
    left:auto;
    right:auto;
    z-index:80;
    background:rgba(255,255,255,.95);
  }

  .brand-wrap{
    align-items:center;
    gap:8px;
  }

  .brand-wrap img{
    height:44px;
  }

  .brand{
    font-size:16px;
    line-height:1.3;
  }

  .contact{
    font-size:13px;
  }

  .contact-note{
    font-size:12px;
  }

  .pill{
    padding:6px 8px;
    font-size:12px;
  }

  header.nav{
    position:sticky;
    top:124px; /* スマホ時のtopbar高さに合わせて調整 */
    left:auto;
    right:auto;
    z-index:81;
    background:#fff;
  }

  header.nav .inner{
    padding:10px 0;
  }

  header.nav ul{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:8px;
  }

  header.nav li{
    min-width:0;
  }

  header.nav a{
    display:block;
    padding:10px 8px;
    text-align:center;
    border:1px solid var(--border);
    border-radius:10px;
    background:#fff;
    font-size:14px;
  }

  header.nav li.is-current a::after{
    display:none;
  }
}

/* =========================
   共通ボタン / CTA
   ========================= */

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:0 18px;
  border-radius:12px;
  border:1px solid transparent;
  font-weight:700;
  transition:all .15s ease;
  min-height:var(--btn-h);
  text-align:center;
  cursor:pointer;
}

.btn-primary{
  color:#fff;
  background:linear-gradient(180deg,var(--primary),#0797d7);
  border-color:#0b86bf;
}

.btn-primary:hover{
  filter:brightness(1.05);
}

.btn-emerald{
  color:#fff;
  background:linear-gradient(180deg,var(--secondary),#0a8e6e);
  border-color:#0a8e6e;
}

.btn-emerald:hover{
  filter:brightness(1.05);
}

.btn-phone{
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  line-height:1.2;
}

.btn-phone strong{
  font-size:17px;
}

.cta-row{
  display:flex;
  gap:16px;
  align-items:center;
  flex-wrap:wrap;
  margin-top:12px;
  justify-content:flex-start;
}

.cta-row.equal .btn,
.cta-row.equal .btn-phone{
  flex:0 0 var(--btn-w);
  width:var(--btn-w);
  min-height:var(--btn-h);
}

/* =========================
   セクション背景・見出し（共通ベース）
   ========================= */

.section-gradient{
  position:relative;
  background-color:#ffffff;
  background-image:radial-gradient(
    60% 10em at 0 0,
    #e7edf3 0%,
    #eef2f6 35%,
    rgba(255,255,255,0) 60%
  );
  background-repeat:no-repeat;
  background-size:100% 10em;
  background-position:top left;
  padding-top:28px;
}

.section-gradient--first{
  margin-top:32px;
}

.section-title{
  font-size:22px;
  margin:0 0 20px;
  color:#0b4f66;
  font-weight:700;
}

/* =========================
   フッター（共通）
   ========================= */

footer{
  border-top:1px solid var(--border);
  background:#f6fbfc;
}

.footer-nav{
  display:flex;
  gap:18px;
  justify-content:center;
  align-items:center;
  padding:16px 0;
  color:var(--muted);
}

.footer-nav a{
  color:var(--muted);
  font-weight:600;
}

.footer-nav a:hover{
  color:var(--primary);
}

.footer-info{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:24px;
  padding:16px 0;
}

.footer-info .brand-wrap img{
  height:60px;
  width:auto;
}

.footer-info .affiliate{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:flex-end;
  text-align:center;
  gap:4px;
  width:max-content;
}

.footer-info .affiliate .akabou-logo{
  height:84px;
  width:auto;
}

footer small{
  display:block;
  color:#a0a9b6;
  padding:8px 0 32px;
  border-top:1px solid var(--border);
  text-align:center;
}

/* =========================
   共通レスポンシブ
   ========================= */

@media(max-width:720px){
  .container{
    padding-inline:16px;
  }

  section{
    padding:40px 0;
  }

  .cta-row{
    flex-direction:column;
    gap:12px;
  }

  .cta-row.equal .btn,
  .cta-row.equal .btn-phone{
    flex:0 0 100%;
    width:100%;
  }

  .section-gradient{
    padding-top:24px;
  }

  .footer-nav{
    flex-direction:column;
    align-items:flex-start;
    gap:10px;
  }

  .footer-info .brand-wrap img{
    height:44px;
  }

  .footer-info .affiliate .akabou-logo{
    height:64px;
  }

  footer small{
    padding:8px 0 24px;
  }
}

@media (max-width: 900px){
  .footer-info{
    flex-direction:column;
    align-items:flex-start;
  }

  .footer-info .affiliate{
    width:100%;
    align-items:flex-start;
    text-align:left;
  }
}