/* ざくろの木助産院 — 共通スタイル（PCデザイン準拠） */

:root {
  /* 配色テーマ「苔緑」（デザインの既定） */
  --accent: #5E6B4F;
  --accent2: #8A9472;
  --gold: #FFD860;

  --paper: #F3EAE0;
  --paper-alt: #EEE3D5;
  --card: #FCF8F2;
  --card-hi: #FCF5EC;
  --photo-bg: #E4D5C0;

  --ink: #2B2326;
  --ink-72: rgba(43, 35, 38, 0.72);
  --ink-66: rgba(43, 35, 38, 0.66);
  --ink-62: rgba(43, 35, 38, 0.62);
  --ink-60: rgba(43, 35, 38, 0.6);
  --ink-55: rgba(43, 35, 38, 0.55);
  --ink-50: rgba(43, 35, 38, 0.5);

  --line: rgba(109, 46, 70, 0.09);
  --line-soft: rgba(109, 46, 70, 0.08);
  --line-mid: rgba(109, 46, 70, 0.12);
  --line-strong: rgba(109, 46, 70, 0.28);
  --underline: rgba(109, 46, 70, 0.35);

  --shadow-card: 0 8px 22px rgba(43, 35, 38, 0.05);
  --shadow-float: 0 10px 26px rgba(43, 35, 38, 0.05);

  --serif: 'Shippori Mincho', serif;
  --sans: 'Zen Kaku Gothic New', sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a:hover {
  color: var(--accent2);
}

button {
  font-family: var(--sans);
}

:focus-visible {
  outline: 2px solid var(--accent2);
  outline-offset: 2px;
}

@keyframes drawer-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

.container {
  max-width: 1064px;
  margin: 0 auto;
}

/* モバイル専用要素（実体は css/mobile*.css で定義） */
.header-menu-btn,
.mobile-cta,
.page-back,
.page-menu {
  display: none;
}

.section-title {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
  line-height: 1.3;
  margin: 0 0 12px;
}

.link-underline {
  font-weight: 500;
  border-bottom: 1px solid var(--underline);
  padding-bottom: 1px;
}

/* ===== ヘッダー ===== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 32px;
  background: rgba(243, 234, 224, 0.97);
  border-bottom: 1px solid var(--line-mid);
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}

.brand img {
  height: 40px;
  width: auto;
  display: block;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.brand-sub {
  font-size: 10px;
  color: var(--ink-55);
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.site-nav a {
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: rgba(43, 35, 38, 0.75);
  padding: 6px 1px;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

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

.site-nav a.is-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.header-actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-ig {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--accent);
}

.btn-ig:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--paper);
}

.btn-line {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 18px;
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.btn-line:hover {
  color: #fff;
}

/* viewport が device-width になったため、中間幅ではナビを詰めて収める。
   900px 以下は css/mobile*.css のモバイルレイアウトが上書きする */
@media (max-width: 1180px) {
  .site-header {
    gap: 14px;
    padding: 0 20px;
  }

  .header-actions {
    gap: 9px;
  }

  .site-nav {
    gap: 15px;
  }

  .brand-sub {
    display: none;
  }
}

@media (max-width: 1000px) {
  .site-nav {
    gap: 11px;
  }

  .site-nav a {
    font-size: 12.5px;
  }
}

/* ===== フッター ===== */

.site-footer {
  background: var(--accent);
  color: var(--paper);
  padding: 68px 56px 44px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: start;
}

.footer-title {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin: 0 0 14px;
  color: var(--paper);
}

.footer-lead {
  font-size: 14px;
  line-height: 2;
  color: rgba(243, 234, 224, 0.82);
  margin: 0 0 26px;
  text-wrap: pretty;
}

.footer-line-row {
  display: flex;
  align-items: center;
  gap: 26px;
}

.btn-line-big {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 54px;
  padding: 0 38px;
  background: var(--paper);
  color: var(--accent);
  border-radius: 14px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.btn-line-big:hover {
  color: var(--accent);
}

.footer-qr {
  flex-shrink: 0;
  text-align: center;
}

.footer-qr img {
  width: 84px;
  height: 84px;
  display: block;
  margin: 0 auto;
  background: #fff;
  border-radius: 10px;
  padding: 6px;
}

.footer-qr a {
  display: block;
  margin-top: 6px;
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: rgba(243, 234, 224, 0.7);
}

.footer-qr a:hover {
  color: var(--paper);
}

.footer-org {
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.footer-info {
  font-size: 13px;
  line-height: 2.1;
  color: rgba(243, 234, 224, 0.75);
}

.footer-info a {
  color: rgba(243, 234, 224, 0.75);
}

.footer-info a:hover {
  color: var(--paper);
}

.footer-info .footer-tel {
  color: var(--paper);
  border-bottom: 1px solid rgba(243, 234, 224, 0.4);
}

.footer-rule {
  height: 1px;
  background: rgba(243, 234, 224, 0.18);
  margin: 44px 0 20px;
}

.footer-copy {
  font-size: 11px;
  color: rgba(243, 234, 224, 0.45);
  letter-spacing: 0.05em;
}