/* ============================================
   伊豆コーカエン株式会社 - 共通スタイルシート
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;600&family=Noto+Sans+JP:wght@300;400;500&family=Cormorant+Garamond:ital,wght@0,400;0,600;1,400&display=swap');

:root {
  --color-primary: #2e5c1e;
  --color-primary-light: #4a7c35;
  --color-accent: #b8973f;
  --color-accent-light: #d4b56a;
  --color-bg: #f7f4ee;
  --color-bg-white: #ffffff;
  --color-text: #2c2416;
  --color-text-light: #6b5d4f;
  --color-border: #d9d0c1;
  --color-header-bg: #1c3a12;
  --font-serif: 'Noto Serif JP', 'Georgia', serif;
  --font-sans: 'Noto Sans JP', 'Helvetica Neue', sans-serif;
  --font-display: 'Cormorant Garamond', serif;
  --max-width: 1100px;
  --header-height: 70px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font-sans); font-weight: 300; color: var(--color-text); background-color: var(--color-bg); line-height: 1.8; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color 0.2s ease, opacity 0.2s ease; }
a:hover { color: var(--color-accent); opacity: 0.85; }
ul { list-style: none; }

/* ---- ヘッダー ---- */
#site-header { position: fixed; top: 0; left: 0; width: 100%; height: var(--header-height); background-color: var(--color-header-bg); z-index: 1000; display: flex; align-items: center; padding: 0 24px; box-shadow: 0 2px 12px rgba(0,0,0,0.3); }
.header-inner { width: 100%; max-width: var(--max-width); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.header-logo { display: flex; flex-direction: column; }
.header-logo a { color: #ffffff; font-family: var(--font-serif); font-size: 1.1rem; font-weight: 600; letter-spacing: 0.05em; line-height: 1.3; }
.header-logo a:hover { color: var(--color-accent-light); opacity: 1; }
.header-logo .tagline { color: rgba(255,255,255,0.45); font-size: 0.62rem; letter-spacing: 0.1em; margin-top: 2px; }
.header-tel { display: flex; flex-direction: column; align-items: flex-end; margin-right: 20px; }
.header-tel .tel-label { font-size: 0.62rem; color: rgba(255,255,255,0.55); letter-spacing: 0.05em; }
.header-tel .tel-number { color: #ffffff; font-family: var(--font-display); font-size: 1.3rem; letter-spacing: 0.05em; font-weight: 600; }

/* ---- Instagram ヘッダーアイコン ---- */
.header-insta { display: flex; align-items: center; margin-right: 16px; flex-shrink: 0; }
.header-insta img { width: 30px; height: 30px; transition: opacity 0.2s ease; }
.header-insta:hover { opacity: 0.75; }
.header-tel .tel-number a { color: #ffffff; }
.header-tel .tel-number a:hover { color: var(--color-accent-light); opacity: 1; }

/* ---- ナビゲーション ---- */
#site-nav { display: flex; align-items: center; }
#site-nav ul { display: flex; gap: 0; }
#site-nav ul li a { display: flex; flex-direction: column; align-items: center; color: rgba(255,255,255,0.8); font-size: 0.68rem; letter-spacing: 0.08em; padding: 6px 12px; border-left: 1px solid rgba(255,255,255,0.1); transition: background-color 0.2s ease, color 0.2s ease; line-height: 1.2; }
#site-nav ul li:last-child a { border-right: 1px solid rgba(255,255,255,0.1); }
#site-nav ul li a .nav-ja { font-family: var(--font-sans); font-size: 0.6rem; color: rgba(255,255,255,0.55); margin-bottom: 2px; }
#site-nav ul li a .nav-en { font-family: var(--font-display); font-size: 0.75rem; color: rgba(255,255,255,0.85); }
#site-nav ul li a:hover, #site-nav ul li a.current { background-color: rgba(255,255,255,0.1); color: #ffffff; opacity: 1; }
#site-nav ul li a.current .nav-en { color: var(--color-accent-light); }

.nav-toggle { display: none; flex-direction: column; justify-content: space-around; width: 28px; height: 22px; cursor: pointer; background: none; border: none; padding: 0; z-index: 1100; }
.nav-toggle span { display: block; width: 100%; height: 2px; background-color: #ffffff; border-radius: 2px; transition: all 0.3s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(10px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

/* ---- メインコンテンツ ---- */
#main-content { margin-top: var(--header-height); min-height: calc(100vh - var(--header-height)); }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

.page-hero { background-image: linear-gradient(135deg, var(--color-header-bg) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%); padding: 60px 24px; text-align: center; position: relative; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E"); }
.page-hero h1, .page-hero h2 { font-family: var(--font-serif); color: #ffffff; font-size: 1.6rem; font-weight: 300; letter-spacing: 0.15em; position: relative; z-index: 1; }
.page-hero .en-title { font-family: var(--font-display); color: rgba(255,255,255,0.45); font-size: 0.75rem; letter-spacing: 0.3em; text-transform: uppercase; margin-bottom: 8px; display: block; }

.section { padding: 64px 0; }
.section-alt { background-color: #ffffff; }
.section-title { font-family: var(--font-serif); font-size: 1.5rem; font-weight: 400; color: var(--color-primary); margin-bottom: 8px; letter-spacing: 0.05em; }
.section-title-en { font-family: var(--font-display); font-size: 0.75rem; color: var(--color-accent); letter-spacing: 0.3em; text-transform: uppercase; display: block; margin-bottom: 4px; }
.section-lead { color: var(--color-text-light); margin-bottom: 24px; max-width: 680px; line-height: 2; }
.title-deco { display: flex; align-items: center; gap: 16px; margin-bottom: 40px; }
.title-deco::after { content: ''; flex: 1; height: 1px; background: linear-gradient(to right, var(--color-border), transparent); }

/* ---- ヒーロー ---- */
.hero { position: relative; height: calc(100vh - var(--header-height)); min-height: 480px; max-height: 750px; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; background-image: url('../images/top01.jpg'); transform: scale(1.05); animation: heroZoom 12s ease-in-out forwards; }
@keyframes heroZoom { from { transform: scale(1.05); } to { transform: scale(1.0); } }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(0,0,0,0.2) 0%, rgba(28,58,18,0.55) 100%); }
.hero-content { position: relative; z-index: 2; text-align: center; padding: 0 24px; animation: fadeInUp 1s ease 0.3s both; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
.hero-content .hero-sub { font-family: var(--font-display); font-size: 0.8rem; color: rgba(255,255,255,0.7); letter-spacing: 0.4em; text-transform: uppercase; margin-bottom: 16px; display: block; }
.hero-content h2 { font-family: var(--font-serif); font-size: clamp(1.6rem, 4vw, 2.8rem); color: #ffffff; font-weight: 300; letter-spacing: 0.1em; line-height: 1.5; margin-bottom: 24px; text-shadow: 0 2px 20px rgba(0,0,0,0.3); }
.hero-content p { color: rgba(255,255,255,0.85); font-size: 0.9rem; max-width: 560px; margin: 0 auto 32px; line-height: 2; }

.btn { display: inline-block; padding: 14px 36px; font-family: var(--font-sans); font-size: 0.85rem; letter-spacing: 0.1em; border-radius: 2px; transition: all 0.3s ease; cursor: pointer; }
.btn-primary { background-color: var(--color-accent); color: #ffffff; border: 1px solid var(--color-accent); }
.btn-primary:hover { background-color: var(--color-primary); border-color: var(--color-primary); color: #ffffff; opacity: 1; }
.btn-outline { background: transparent; color: #ffffff; border: 1px solid rgba(255,255,255,0.6); }
.btn-outline:hover { background: rgba(255,255,255,0.15); color: #ffffff; opacity: 1; }

/* ---- サービスカード ---- */
.service-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; margin-top: 40px; }
.service-card { background: #ffffff; border-radius: 4px; overflow: hidden; box-shadow: 0 2px 12px rgba(44,36,22,0.07); transition: transform 0.3s ease, box-shadow 0.3s ease; }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(44,36,22,0.14); }
.service-card-img { width: 100%; height: 200px; object-fit: cover; transition: transform 0.4s ease; }
.service-card:hover .service-card-img { transform: scale(1.03); }
.service-card-img-wrap { overflow: hidden; height: 200px; }
.service-card-body { padding: 20px 22px 24px; }
.service-card-body h3, .service-card-body h4 { font-family: var(--font-serif); font-size: 1rem; font-weight: 600; color: var(--color-primary); margin-bottom: 8px; line-height: 1.5; }
.service-card-body p { font-size: 0.85rem; color: var(--color-text-light); line-height: 1.9; margin-bottom: 14px; }
.card-link { font-size: 0.78rem; color: var(--color-accent); font-weight: 500; letter-spacing: 0.05em; display: inline-flex; align-items: center; gap: 4px; }
.card-link::after { content: '→'; }
.card-link:hover { color: var(--color-primary); opacity: 1; }

/* ---- ニュース ---- */
.news-list { border-top: 1px solid var(--color-border); }
.news-item { display: flex; align-items: flex-start; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--color-border); font-size: 0.88rem; }
.news-date { color: var(--color-accent); font-family: var(--font-display); font-size: 0.9rem; min-width: 110px; letter-spacing: 0.05em; }
.news-text { color: var(--color-text); flex: 1; }

/* ---- サービス詳細 ---- */
.service-anchor-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0 40px; }
.service-anchor-list a { display: inline-block; padding: 8px 18px; border: 1px solid var(--color-primary); border-radius: 2px; font-size: 0.82rem; color: var(--color-primary); transition: all 0.2s ease; }
.service-anchor-list a:hover { background-color: var(--color-primary); color: #ffffff; opacity: 1; }
.service-section { padding: 48px 0; border-bottom: 1px solid var(--color-border); }
.service-section:last-child { border-bottom: none; }
.service-section h2 { font-family: var(--font-serif); font-size: 1.35rem; font-weight: 400; color: var(--color-primary); margin-bottom: 6px; letter-spacing: 0.05em; }
.service-section .en-subtitle { font-family: var(--font-display); font-size: 0.72rem; color: var(--color-accent); letter-spacing: 0.3em; text-transform: uppercase; display: block; margin-bottom: 16px; }
.service-section h3 { font-family: var(--font-serif); font-size: 1rem; font-weight: 600; color: var(--color-text); margin: 28px 0 12px; }
.service-section p { color: var(--color-text-light); margin-bottom: 16px; line-height: 2; }

.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; margin: 24px 0; }
.photo-grid-wide { grid-template-columns: 1fr; max-width: 680px; }
.photo-item { border-radius: 3px; overflow: hidden; }
.photo-item a { display: block; }
.photo-item img { width: 100%; height: 200px; object-fit: cover; transition: transform 0.4s ease; }
.photo-item a:hover img { transform: scale(1.04); opacity: 1; }
.photo-caption { font-size: 0.78rem; color: var(--color-text-light); margin-top: 8px; padding: 0 4px; }

/* ---- 施工の流れ ---- */
.flow-list { margin: 40px 0; }
.flow-item { display: flex; gap: 28px; margin-bottom: 40px; align-items: flex-start; }
.flow-number { flex-shrink: 0; width: 52px; height: 52px; background-color: var(--color-primary); color: #ffffff; font-family: var(--font-display); font-size: 1.5rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-top: 4px; }
.flow-body h3 { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 600; color: var(--color-primary); margin-bottom: 8px; letter-spacing: 0.05em; }
.flow-body p { color: var(--color-text-light); font-size: 0.88rem; line-height: 2; }
.flow-connector { width: 2px; height: 30px; background: linear-gradient(to bottom, var(--color-primary-light), var(--color-border)); margin: -16px 0 -16px 25px; }

/* ---- 料金 ---- */
.fee-card { background: #ffffff; border: 1px solid var(--color-border); border-left: 4px solid var(--color-primary); padding: 28px 32px; border-radius: 3px; margin-bottom: 24px; }
.fee-card h3 { font-family: var(--font-serif); font-size: 1.1rem; color: var(--color-primary); margin-bottom: 12px; }
.fee-card p { color: var(--color-text-light); font-size: 0.88rem; line-height: 2; }
.fee-note { background-color: #f0f5ec; border: 1px solid #c2d8b8; padding: 20px 24px; border-radius: 3px; font-size: 0.85rem; color: var(--color-primary); line-height: 2; margin-top: 32px; }

/* ---- 売店 ---- */
.shop-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; margin-bottom: 48px; }
.shop-info-table { width: 100%; border-collapse: collapse; }
.shop-info-table tr { border-bottom: 1px solid var(--color-border); }
.shop-info-table th { font-weight: 500; font-size: 0.82rem; color: var(--color-primary); text-align: left; padding: 12px 16px 12px 0; width: 30%; vertical-align: top; white-space: nowrap; }
.shop-info-table td { font-size: 0.85rem; color: var(--color-text); padding: 12px 0; line-height: 1.9; }
.shop-photo { border-radius: 4px; overflow: hidden; box-shadow: 0 4px 20px rgba(0,0,0,0.12); }
.shop-photo img { width: 100%; height: 340px; object-fit: cover; }
.map-container { margin: 40px 0; }
.map-container h3 { font-family: var(--font-serif); font-size: 1.1rem; color: var(--color-primary); margin-bottom: 16px; font-weight: 400; }
.map-wrapper { position: relative; width: 100%; padding-bottom: 42%; border-radius: 4px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.1); }
.map-wrapper iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; }
.product-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin-top: 28px; }
.product-gallery-item img { width: 100%; height: 170px; object-fit: cover; border-radius: 3px; }
.product-gallery-caption { font-size: 0.78rem; color: var(--color-text-light); margin-top: 6px; }

/* ---- 会社 ---- */
.company-block { margin-bottom: 48px; }
.company-block h2 { font-family: var(--font-serif); font-size: 1.3rem; font-weight: 400; color: var(--color-primary); margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--color-border); }
.company-table { width: 100%; border-collapse: collapse; }
.company-table tr { border-bottom: 1px solid var(--color-border); }
.company-table th { font-weight: 500; font-size: 0.83rem; color: var(--color-primary); text-align: left; padding: 14px 20px 14px 0; width: 180px; vertical-align: top; }
.company-table td { font-size: 0.85rem; color: var(--color-text); padding: 14px 0; line-height: 1.9; }

/* ---- お問い合わせ ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 40px; }
.contact-card { background: #ffffff; padding: 32px; border-radius: 4px; box-shadow: 0 2px 12px rgba(0,0,0,0.07); }
.contact-card h3 { font-family: var(--font-serif); font-size: 1.05rem; color: var(--color-primary); margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--color-border); }
.contact-detail-list li { display: flex; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--color-border); font-size: 0.88rem; align-items: baseline; }
.contact-detail-list li:last-child { border-bottom: none; }
.contact-label { font-weight: 500; color: var(--color-primary); min-width: 60px; font-size: 0.8rem; }
.contact-value { color: var(--color-text); line-height: 1.8; }
.contact-note { background: #f0f5ec; border: 1px solid #c2d8b8; padding: 20px 24px; border-radius: 3px; font-size: 0.85rem; color: var(--color-primary); line-height: 2; }

/* ---- フッター ---- */
#site-footer { background-color: var(--color-header-bg); color: rgba(255,255,255,0.7); padding: 60px 24px 32px; margin-top: 80px; }
.footer-inner { max-width: var(--max-width); margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-company h2 { font-family: var(--font-serif); color: #ffffff; font-size: 1.15rem; font-weight: 400; margin-bottom: 12px; }
.footer-company p { font-size: 0.82rem; line-height: 2; color: rgba(255,255,255,0.6); }
.footer-company a { color: rgba(255,255,255,0.7); }
.footer-company a:hover { color: var(--color-accent-light); opacity: 1; }
.footer-nav h3 { font-size: 0.72rem; font-weight: 500; color: rgba(255,255,255,0.4); letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 16px; }
.footer-nav ul li { margin-bottom: 8px; }
.footer-nav ul li a { font-size: 0.83rem; color: rgba(255,255,255,0.65); }
.footer-nav ul li a:hover { color: var(--color-accent-light); opacity: 1; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 0.75rem; color: rgba(255,255,255,0.35); }
.footer-bottom a { font-size: 0.75rem; color: rgba(255,255,255,0.4); }
.footer-insta img { width: 24px; height: 24px; opacity: 0.55; transition: opacity 0.2s ease; }
.footer-insta:hover img { opacity: 1; }

/* ---- リンク ---- */
.link-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; margin-top: 32px; }
.link-card { background: #ffffff; border: 1px solid var(--color-border); border-radius: 4px; padding: 24px; transition: border-color 0.2s ease, box-shadow 0.2s ease; }
.link-card:hover { border-color: var(--color-primary-light); box-shadow: 0 4px 16px rgba(0,0,0,0.08); }
.link-card a { font-family: var(--font-serif); font-size: 1rem; color: var(--color-primary); font-weight: 600; display: block; margin-bottom: 8px; }
.link-card p { font-size: 0.82rem; color: var(--color-text-light); line-height: 1.8; }

/* ---- プライバシー ---- */
.privacy-content { max-width: 780px; }
.privacy-content h2 { font-family: var(--font-serif); font-size: 1.2rem; color: var(--color-primary); font-weight: 400; margin: 40px 0 16px; padding-bottom: 10px; border-bottom: 1px solid var(--color-border); }
.privacy-content p { font-size: 0.87rem; color: var(--color-text-light); line-height: 2; margin-bottom: 16px; }

/* ---- スクロールトップ ---- */
.scroll-top { position: fixed; bottom: 28px; right: 28px; width: 44px; height: 44px; background-color: var(--color-primary); color: #ffffff; border: none; border-radius: 50%; cursor: pointer; font-size: 1rem; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; z-index: 500; text-decoration: none; }
.scroll-top.visible { opacity: 1; pointer-events: auto; }
.scroll-top:hover { background-color: var(--color-accent); color: #ffffff; opacity: 1; }

/* ---- ユーティリティ ---- */
.highlight { background-color: #fff8e8; border: 1px solid #f0d68a; padding: 16px 20px; border-radius: 3px; font-size: 0.85rem; line-height: 2; }
.highlight strong { color: #9e6e00; }
hr.divider { border: none; border-top: 1px solid var(--color-border); margin: 48px 0; }
.mb-0 { margin-bottom: 0; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }
.mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-40 { margin-top: 40px; }

/* ---- タブレット ---- */
@media screen and (max-width: 900px) {
  :root { --header-height: 60px; }
  .header-tel { display: none; }
  #site-nav ul li a { padding: 6px 8px; }
  #site-nav ul li a .nav-ja { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-company { grid-column: 1 / -1; }
  .shop-info-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

/* ---- スマートフォン ---- */
@media screen and (max-width: 640px) {
  .nav-toggle { display: flex; }
  #site-nav { position: fixed; top: var(--header-height); left: 0; right: 0; bottom: 0; background-color: var(--color-header-bg); padding: 32px 24px; flex-direction: column; align-items: flex-start; transform: translateX(100%); transition: transform 0.35s ease; overflow-y: auto; z-index: 999; }
  #site-nav.open { transform: translateX(0); }
  #site-nav ul { flex-direction: column; width: 100%; gap: 0; }
  #site-nav ul li a { flex-direction: row; justify-content: flex-start; padding: 16px 8px; border-left: none; border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); font-size: 0.9rem; gap: 12px; width: 100%; }
  #site-nav ul li:last-child a { border-right: none; }
  #site-nav ul li a .nav-ja { display: block; font-size: 0.82rem; color: rgba(255,255,255,0.7); }
  .hero-content h2 { font-size: 1.5rem; }
  .service-grid { grid-template-columns: 1fr; }
  .photo-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-company { grid-column: auto; }
  .container { padding: 0 16px; }
  .section { padding: 48px 0; }
  .page-hero h1, .page-hero h2 { font-size: 1.3rem; }
  .flow-item { gap: 16px; }
  .flow-number { width: 40px; height: 40px; font-size: 1.1rem; }
  .company-table th { width: 120px; font-size: 0.78rem; }
  .map-wrapper { padding-bottom: 70%; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
}