@charset "UTF-8";

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Noto Sans JP", sans-serif;
    color: var(--color-text);
    background: #fff;
    line-height: 1.8;
    font-size: 16px;
}

img {
    max-width: 100%;
    display: block;
}

h1, h2, h3, h4 {
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-text);
}

p {
    margin-bottom: 16px;
    color: var(--color-muted);
}

a {
    color: var(--color-main);
    text-decoration: none;
}

section {
    padding: 70px 0;
}

.container {
    width: min(1100px, 90%);
    margin: 0 auto;
}


/* =======================
   Header
======================= */
.header {
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 20px;
    font-weight: 700;
}

.nav ul {
    list-style: none;
    display: flex;
    gap: 24px;
}

.nav a {
    color: var(--color-text);
    font-weight: 500;
}

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

.btn-header {
    background: var(--color-accent);
    color: #fff !important;
    padding: 8px 16px;
    border-radius: var(--radius);
}


/* --- ロゴ --- */
.logo {
  font-weight: 700;
  font-size: 20px;
}

.logo a {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.logo img {
  height: 48px;
  width: auto;
}

.logo-text {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
}

/* --- ヘッダー固定（影付き） --- */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  height: 70px;
  padding: 0 40px;
  background: #1F2937; /* 濃紺 */
  color: #ffffff;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  z-index: 999;
  transition: 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --- PCナビ --- */
.nav ul {
  display: flex;
  gap: 24px;
  padding-top: 15px;
}
.nav a {
  color: #243447;
  font-weight: 500;
  transition: opacity .2s;
}
.nav a:hover {
  opacity: 0.7;
}

/* --- ハンバーガー --- */
.hamburger {
  display: flex;
  width: 26px;
  height: 20px;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
}
.hamburger span {
  display: block;
  height: 3px;
  background: #243447;
  border-radius: 4px;
}

/* ========== PCナビ ========== */
.nav ul {
  display: flex;
  gap: 28px;
}

.nav ul li a {
  color: #ffffff;
  font-size: 15px;
  font-weight: 500;
  transition: 0.2s;
}
.nav ul li a:hover {
  color: #F59E0B; /* アクセント */
}

/* ========== 電話ボタン ========== */
.header-call {
  padding: 8px 14px;
  background: #F59E0B;
  color: #ffffff;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: 0.2s;
}
.header-call:hover {
  opacity: 0.85;
}

/* ========== ハンバーガー ========== */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.hamburger span {
  width: 26px;
  height: 3px;
  background: #ffffff;
  border-radius: 2px;
}

/* ========== SPレイアウト ========== */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 64px;
    right: -100%;
    width: 70%;
    height: calc(100vh - 64px);
    background: #1F2937;
    padding: 40px 20px;
    transition: 0.3s;
  }
  .nav.active {
    right: 0;
  }
  .nav ul {
    flex-direction: column;
    gap: 24px;
  }
  .header-call {
    display: none;
  }
  .hamburger {
    display: flex;
  }
}