/* ==========================================================
   Banbooの森 スタイルシート
   ========================================================== */

/* 日本語を文節の切れ目で改行する。Chrome以外では無視されるだけなので安全 */
body { word-break: auto-phrase; }

/* ---------- 基本設定 ---------- */
:root {
  --color-green-dark: #35563f;
  --color-green: #4b7a58;
  --color-green-light: #eaf1e9;
  --color-brown: #6b4f3a;
  --color-cream: #faf7f0;
  --color-text: #2f2f2a;
  --color-text-light: #6b6b62;
  --color-white: #ffffff;
  --font-base: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --max-width: 1080px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  color: var(--color-text);
  line-height: 1.8;
  background: var(--color-cream);
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 72px 0;
}

.section-eyebrow {
  color: var(--color-green);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

h1, h2, h3 {
  color: var(--color-green-dark);
  line-height: 1.5;
}

h2 {
  font-size: 1.8rem;
  margin-bottom: 40px;
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
  background: var(--color-green);
  color: var(--color-white);
  box-shadow: 0 6px 16px rgba(53, 86, 63, 0.35);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(53, 86, 63, 0.4);
}

.btn-large {
  padding: 18px 44px;
  font-size: 1.1rem;
}

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 240, 0.95);
  backdrop-filter: blur(4px);
  border-bottom: 1px solid rgba(53, 86, 63, 0.1);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-green-dark);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-green-dark);
  cursor: pointer;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

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

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

.nav-cta {
  background: var(--color-green);
  color: var(--color-white) !important;
  padding: 10px 20px;
  border-radius: 999px;
}

/* ---------- ヒーロー ---------- */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(30, 45, 33, 0.55) 0%, rgba(30, 45, 33, 0.35) 50%, rgba(30, 45, 33, 0.6) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px;
  color: var(--color-white);
}

.hero-eyebrow {
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.hero h1 {
  color: var(--color-white);
  font-size: 2.4rem;
  margin-bottom: 20px;
}

.hero-lead {
  font-size: 1.05rem;
  margin-bottom: 32px;
  max-width: 32em;
}

/* ---------- 特徴セクション ---------- */
.feature-photo {
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 40px;
}

.feature-photo img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--color-white);
  border-radius: 16px;
  padding: 32px 24px;
  box-shadow: 0 4px 16px rgba(53, 86, 63, 0.08);
}

.icon-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-green-light);
  color: var(--color-green);
  margin-bottom: 16px;
}

.icon-inline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-green);
  vertical-align: middle;
  margin-right: 8px;
}

/* ---------- サービスセクション ---------- */
.services {
  background: var(--color-green-light);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(53, 86, 63, 0.08);
}

.service-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.service-body {
  padding: 24px;
}

/* ---------- FAQ・アクセス ---------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 48px;
}

.faq-item {
  background: var(--color-white);
  border-radius: 12px;
  padding: 20px 24px;
  box-shadow: 0 2px 8px rgba(53, 86, 63, 0.06);
}

.faq-item summary {
  font-weight: 700;
  cursor: pointer;
  color: var(--color-green-dark);
}

.faq-item p {
  margin-top: 12px;
  color: var(--color-text-light);
}

.access-box {
  background: var(--color-white);
  border-radius: 16px;
  padding: 32px 24px;
  box-shadow: 0 4px 16px rgba(53, 86, 63, 0.08);
}

.access-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

/* ---------- 問い合わせCTA ---------- */
.contact {
  position: relative;
  padding: 96px 0;
  text-align: center;
  overflow: hidden;
}

.contact-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-overlay {
  position: absolute;
  inset: 0;
  background: rgba(20, 26, 20, 0.65);
}

.contact-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
  padding: 0 24px;
  color: var(--color-white);
}

.contact-content h2 {
  color: var(--color-white);
}

.contact-content p {
  margin-bottom: 32px;
}

/* ---------- フッター ---------- */
.site-footer {
  background: var(--color-green-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 40px 0;
  text-align: center;
}

.footer-logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.footer-copy {
  margin-top: 16px;
  font-size: 0.85rem;
  opacity: 0.7;
}

/* ---------- レスポンシブ（スマートフォン） ---------- */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-cream);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 16px;
    border-bottom: 1px solid rgba(53, 86, 63, 0.1);
    display: none;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    width: 100%;
    padding: 12px 0;
  }

  .nav-cta {
    margin-top: 8px;
    text-align: center;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 56px 0;
  }
}