/* ==========================================================================
   base.css
   デザイントークン(CSS変数)・リセット・共通スタイル
   モバイルファースト(min-widthで段階的に拡張)
   ========================================================================== */

:root {
  /* Colors: base */
  --color-bg: #FBF5EC;
  --color-text: #5A4D43;
  --color-heading: #463F38;
  --color-text-sub: #6F6256;
  --color-text-muted: #9B8E80;
  --color-text-muted-2: #A89B8E;

  /* Colors: coral (accent 1) */
  --color-coral: #F4906B;
  --color-coral-2: #EC7E55;
  --color-coral-3: #EC8C68;

  /* Colors: blue (accent 2) */
  --color-blue: #7EC0D6;
  --color-blue-2: #5BAFC9;
  --color-blue-3: #8FCBDE;

  /* Colors: yellow (accent 3) */
  --color-yellow: #F6C45A;
  --color-yellow-2: #F0B23E;
  --color-yellow-3: #E09A2A;

  /* Colors: surfaces */
  --color-footer-bg: #46413A;
  --color-card-cream-1: #FCEFE3;
  --color-card-cream-2: #FCE7D7;
  --color-card-cream-3: #F6E3D2;
  --color-card-cream-4: #FBEFD2;
  --color-card-blue-light: #DCEFF5;
  --color-border-cream: #EAE0D4;

  /* Typography */
  --font-heading: 'Zen Maru Gothic', sans-serif;
  --font-body: 'M PLUS Rounded 1c', system-ui, sans-serif;

  /* Layout */
  --container-max: 1180px;
  --container-max-narrow: 1000px;
  --container-pad: 20px;
  --radius-pill: 999px;

  /* Motion */
  --ease-standard: cubic-bezier(.22, .61, .36, 1);
  --duration-base: .6s;
}

@media (min-width: 768px) {
  :root {
    --container-pad: 32px;
  }
}

@media (min-width: 1024px) {
  :root {
    --container-pad: 40px;
  }
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, p {
  margin: 0;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

::selection {
  background: var(--color-yellow);
  color: #fff;
}

.mr {
  font-family: var(--font-heading);
}

/* 共通コンテナ */
.l-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.l-container--narrow {
  max-width: var(--container-max-narrow);
}

/* スクロール演出(js/scroll-animation.jsと連動) */
[data-animate] {
  opacity: 0;
  will-change: transform, opacity;
  transition: opacity var(--duration-base) var(--ease-standard),
              transform var(--duration-base) var(--ease-standard);
}

[data-animate="fade-up"] {
  transform: translateY(24px);
}

[data-animate="fade-left"] {
  transform: translateX(-32px);
}

[data-animate="fade-right"] {
  transform: translateX(32px);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

@media (prefers-reduced-motion: reduce) {
  [data-animate] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ==========================================================================
   header.css
   .site-header
   1行構成: 左=ロゴ / 右=ナビ(お問い合わせの左)+お問い合わせCTA+ハンバーガー(モバイル)
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 14px var(--container-pad);
}

.site-header__brand {
  flex: none;
  display: block;
  margin-right: auto;
}

.site-header__logo {
  display: block;
  height: 20px;
  width: auto;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-header__cta {
  flex: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--color-blue);
  color: #fff;
  font-weight: 700;
  font-size: 12.5px;
  padding: 9px 14px;
  border-radius: var(--radius-pill);
  box-shadow: 0 6px 13px rgba(126, 192, 214, .35);
}

/* ハンバーガーボタン(モバイルのみ表示) */
.site-header__toggle {
  flex: none;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.site-header__toggle-bars {
  position: relative;
  width: 22px;
  height: 16px;
}

.site-header__toggle-bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--color-heading);
  transition: transform .3s var(--ease-standard), opacity .3s var(--ease-standard);
}

.site-header__toggle-bars span:nth-child(1) { top: 0; }
.site-header__toggle-bars span:nth-child(2) { top: 7px; }
.site-header__toggle-bars span:nth-child(3) { top: 14px; }

.site-header__toggle[aria-expanded="true"] .site-header__toggle-bars span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.site-header__toggle[aria-expanded="true"] .site-header__toggle-bars span:nth-child(2) {
  opacity: 0;
}
.site-header__toggle[aria-expanded="true"] .site-header__toggle-bars span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ナビ(モバイル: ドロップダウン、初期状態は非表示) */
.site-header__nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg);
  padding: 0 var(--container-pad) 20px;
  box-shadow: 0 16px 24px rgba(70, 65, 58, .08);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transition: max-height .35s var(--ease-standard), opacity .3s var(--ease-standard);
}

.site-header__nav.is-open {
  max-height: 320px;
  opacity: 1;
  visibility: visible;
}

.site-header__nav-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
}

.site-header__nav-link {
  display: block;
  padding: 12px 4px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--color-text-sub);
  border-bottom: 1px solid var(--color-border-cream);
}

@media (min-width: 1024px) {
  .site-header {
    position: static;
  }

  .site-header__logo {
    height: 38px;
  }

  .site-header__cta {
    font-size: 13.5px;
    padding: 10px 18px;
  }

  .site-header__toggle {
    display: none;
  }

  .site-header__nav {
    position: static;
    padding: 0;
    max-height: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
  }

  .site-header__nav-list {
    flex-direction: row;
    align-items: center;
    gap: 0;
  }

  .site-header__nav-list li {
    line-height: 1;
  }

  .site-header__nav-list li:not(:first-child) {
    border-left: 1px dotted var(--color-text-muted-2);
  }

  .site-header__nav-link {
    padding: 0 20px;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--color-text);
    border-bottom: none;
    white-space: nowrap;
  }

  .site-header__nav-list li:first-child .site-header__nav-link {
    padding-left: 0;
  }
}

/* ==========================================================================
   footer.css
   .site-footer
   ========================================================================== */

.site-footer {
  background: var(--color-footer-bg);
  color: #D9CFC3;
  padding: 32px var(--container-pad) 24px;
}

.site-footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.site-footer__brand {
  display: block;
}

.site-footer__logo {
  display: block;
  height: 22px;
  width: auto;
}

.site-footer__org {
  font-size: 11.5px;
  color: #9B9082;
}

.site-footer__bottom {
  max-width: var(--container-max);
  margin: 20px auto 0;
  border-top: 1px solid #5A554D;
  padding-top: 14px;
  font-size: 10.5px;
  color: #857B6E;
}

@media (min-width: 768px) {
  .site-footer {
    padding: 40px var(--container-pad) 30px;
  }

  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
  }

  .site-footer__logo {
    height: 30px;
  }

  .site-footer__org {
    font-size: 12px;
  }

  .site-footer__bottom {
    margin-top: 24px;
    padding-top: 16px;
    font-size: 11px;
  }
}