/* ========================================
   花匠グリーンテック - Common Styles
   ======================================== */

/* Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #2d5a27;
  --color-primary-light: #4a8c3f;
  --color-accent: #6abf4b;
  --color-bg: #ffffff;
  --color-bg-light: #f7f9f4;
  --color-bg-dark: #1a1a1a;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-white: #ffffff;
  --color-border: #e0e0e0;
  --color-green-soft: #e8f5e2;
  --font-sans: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --font-serif: 'Noto Serif JP', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --font-en: 'Cormorant Garamond', 'Times New Roman', serif;
  --header-height: 80px;
  --section-padding: 120px;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  letter-spacing: 0.05em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: opacity 0.3s ease; }
a:hover { opacity: 0.7; }

/* ========================================
   Loading Screen
   ======================================== */
.loading-screen {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: var(--color-bg); z-index: 10000;
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}
.loading-screen.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loading-screen .loading-logo { width: 60px; margin-bottom: 24px; animation: loadingPulse 1.5s ease-in-out infinite; }
.loading-screen .loading-bar { width: 120px; height: 2px; background: var(--color-border); border-radius: 2px; overflow: hidden; }
.loading-screen .loading-bar-inner { width: 0%; height: 100%; background: var(--color-primary); transition: width 0.3s ease; }
@keyframes loadingPulse { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }

/* ========================================
   Header
   ======================================== */
.header {
  position: fixed; top: 0; left: 0; width: 100%; height: var(--header-height);
  z-index: 1000; transition: background 0.5s ease, box-shadow 0.5s ease;
}
.header.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(10px);
}
.header-inner {
  max-width: 1400px; margin: 0 auto; height: 100%;
  display: flex; align-items: center; justify-content: space-between; padding: 0 40px;
}
.header-logo { display: flex; align-items: center; gap: 12px; z-index: 1001; }
.header-logo img { height: 40px; width: auto; transition: filter 0.5s ease; }
.header-logo-text {
  font-family: var(--font-serif); font-size: 14px; font-weight: 500;
  letter-spacing: 0.15em; color: var(--color-text); transition: color 0.5s ease;
}

/* Subpage header: always dark by default */
/* Transparent header (top page) */
.header:not(.is-scrolled) .header-logo img { filter: brightness(0) invert(1); }
.header:not(.is-scrolled) .header-logo-text { color: #fff; }
.header:not(.is-scrolled) .pc-nav__link { color: #fff; }
.header:not(.is-scrolled) .btn-contact {
  background: transparent; border-color: rgba(255,255,255,0.6); color: #fff;
}
.header:not(.is-scrolled) .btn-contact:hover {
  background: rgba(255,255,255,0.15); border-color: #fff;
}
.header:not(.is-scrolled) .hamburger span { background: #fff; }

/* PC Navigation */
.pc-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.pc-nav__list {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
}

.pc-nav__link {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--color-text);
  position: relative;
  padding: 4px 0;
  transition: color 0.5s ease;
}

.header:not(.is-scrolled) .pc-nav__link {
  color: #fff;
}

.pc-nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.4s var(--ease-out-expo);
}

.pc-nav__link:hover {
  opacity: 1;
}

.pc-nav__link:hover::after {
  width: 100%;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-contact {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  border: 1px solid var(--color-primary);
  color: var(--color-text-white);
  background: var(--color-primary);
  border-radius: 100px;
  transition: all 0.4s ease;
  cursor: pointer;
}

.btn-contact:hover {
  opacity: 1;
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
  transform: translateY(-1px);
}

.header:not(.is-scrolled) .btn-contact {
  background: transparent;
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}

.header:not(.is-scrolled) .btn-contact:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  z-index: 1001;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-text);
  transition: all 0.4s ease;
}

.header:not(.is-scrolled) .hamburger span {
  background: #fff;
}

.hamburger.is-active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5.5px);
}

.hamburger.is-active span:nth-child(2) {
  opacity: 0;
}

.hamburger.is-active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5.5px);
}

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100vh;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav__list {
  list-style: none;
  text-align: center;
}

.mobile-nav__item {
  margin-bottom: 24px;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.5s ease;
}

.mobile-nav.is-open .mobile-nav__item {
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav.is-open .mobile-nav__item:nth-child(1) { transition-delay: 0.1s; }
.mobile-nav.is-open .mobile-nav__item:nth-child(2) { transition-delay: 0.15s; }
.mobile-nav.is-open .mobile-nav__item:nth-child(3) { transition-delay: 0.2s; }
.mobile-nav.is-open .mobile-nav__item:nth-child(4) { transition-delay: 0.25s; }
.mobile-nav.is-open .mobile-nav__item:nth-child(5) { transition-delay: 0.3s; }
.mobile-nav.is-open .mobile-nav__item:nth-child(6) { transition-delay: 0.35s; }
.mobile-nav.is-open .mobile-nav__item:nth-child(7) { transition-delay: 0.4s; }

.mobile-nav__link {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 0.15em;
  color: var(--color-text);
}

.mobile-nav__link-en {
  display: block;
  font-family: var(--font-en);
  font-size: 11px;
  color: var(--color-text-light);
  margin-top: 4px;
  letter-spacing: 0.15em;
}

/* wp_nav_menu() compatibility for pc-nav */
.pc-nav__list .menu-item {
  list-style: none;
}
.pc-nav__list .menu-item > a {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--color-text);
  position: relative;
  padding: 4px 0;
  transition: color 0.5s ease;
  display: inline-block;
}
.pc-nav__list .menu-item > a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.4s var(--ease-out-expo);
}
.pc-nav__list .menu-item > a:hover { opacity: 1; }
.pc-nav__list .menu-item > a:hover::after,
.pc-nav__list .menu-item.current-menu-item > a::after { width: 100%; }
.header:not(.is-scrolled) .pc-nav__list .menu-item > a { color: #fff; }

/* wp_nav_menu() compatibility for mobile-nav */
.mobile-nav__list .menu-item {
  margin-bottom: 24px;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.5s ease;
}
.mobile-nav.is-open .mobile-nav__list .menu-item {
  transform: translateY(0);
  opacity: 1;
}
.mobile-nav.is-open .mobile-nav__list .menu-item:nth-child(1) { transition-delay: 0.1s; }
.mobile-nav.is-open .mobile-nav__list .menu-item:nth-child(2) { transition-delay: 0.15s; }
.mobile-nav.is-open .mobile-nav__list .menu-item:nth-child(3) { transition-delay: 0.2s; }
.mobile-nav.is-open .mobile-nav__list .menu-item:nth-child(4) { transition-delay: 0.25s; }
.mobile-nav.is-open .mobile-nav__list .menu-item:nth-child(5) { transition-delay: 0.3s; }
.mobile-nav.is-open .mobile-nav__list .menu-item:nth-child(6) { transition-delay: 0.35s; }
.mobile-nav.is-open .mobile-nav__list .menu-item:nth-child(7) { transition-delay: 0.4s; }
.mobile-nav__list .menu-item > a {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 0.15em;
  color: var(--color-text);
}
/* ========================================
 Page Hero (Subpages)
 ======================================== */
.page-hero {
  position: relative;
  width: 100%;
  height: 480px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-hero__bg {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover;
}
.page-hero::after {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(to bottom, rgba(0,0,0,0.35), rgba(0,0,0,0.25));
}
.page-hero__content {
  position: relative; z-index: 1; text-align: center; color: #fff;
  opacity: 0; transform: translateY(20px);
  animation: heroTextIn 1s var(--ease-out-expo) 0.4s forwards;
}
.page-hero__en {
  font-family: var(--font-en); font-size: clamp(40px, 6vw, 64px);
  font-weight: 300; letter-spacing: 0.08em; line-height: 1.2;
}
.page-hero__jp {
  font-family: var(--font-serif); font-size: 14px; letter-spacing: 0.2em;
  margin-top: 12px; opacity: 0.85;
}
@keyframes heroTextIn { to { opacity: 1; transform: translateY(0); } }

/* ========================================
   Breadcrumb
   ======================================== */
.breadcrumb {
  padding: 16px 0; background: var(--color-bg-light); border-bottom: 1px solid var(--color-border);
}
.breadcrumb__list {
  max-width: 1200px; margin: 0 auto; padding: 0 40px;
  display: flex; gap: 8px; list-style: none; font-size: 12px; color: var(--color-text-light);
}
.breadcrumb__list li::after { content: '/'; margin-left: 8px; }
.breadcrumb__list li:last-child::after { content: ''; }
.breadcrumb__list a:hover { opacity: 1; color: var(--color-primary); }

/* ========================================
   Section Common
   ======================================== */
.section { padding: var(--section-padding) 0; position: relative; }
.section--bg-light { background: var(--color-bg-light); }
.section--bg-dark { background: var(--color-bg-dark); color: var(--color-text-white); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
.container--wide { max-width: 1400px; }
.section-header { margin-bottom: 60px; }
.section-header--center { text-align: center; }
.section-en {
  font-family: var(--font-en); font-size: clamp(36px, 5vw, 56px);
  font-weight: 300; letter-spacing: 0.08em; line-height: 1.2; color: var(--color-primary); display: block;
}
.section--bg-dark .section-en { color: rgba(255, 255, 255, 0.9); }
.section-jp {
  font-family: var(--font-serif); font-size: 13px; font-weight: 400;
  letter-spacing: 0.2em; margin-top: 12px; display: block; color: var(--color-text-light);
}
.section--bg-dark .section-jp { color: rgba(255, 255, 255, 0.6); }
.section-line { display: block; width: 40px; height: 1px; background: var(--color-primary); margin-top: 20px; }
.section-header--center .section-line { margin-left: auto; margin-right: auto; }

/* ========================================
   Scroll Animations
   ======================================== */
.js-scroll { opacity: 0; transform: translateY(40px); transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo); }
.js-scroll.is-visible { opacity: 1; transform: translateY(0); }
.js-scroll-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo); }
.js-scroll-left.is-visible { opacity: 1; transform: translateX(0); }
.js-scroll-right { opacity: 0; transform: translateX(40px); transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo); }
.js-scroll-right.is-visible { opacity: 1; transform: translateX(0); }
.js-scroll-scale { opacity: 0; transform: scale(0.95); transition: opacity 1s var(--ease-out-expo), transform 1s var(--ease-out-expo); }
.js-scroll-scale.is-visible { opacity: 1; transform: scale(1); }
.js-stagger-1 { transition-delay: 0.1s; }
.js-stagger-2 { transition-delay: 0.2s; }
.js-stagger-3 { transition-delay: 0.3s; }
.js-stagger-4 { transition-delay: 0.4s; }
.js-stagger-5 { transition-delay: 0.5s; }
.js-stagger-6 { transition-delay: 0.6s; }

/* ========================================
   Buttons
   ======================================== */
.btn-more {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-en); font-size: 13px; letter-spacing: 0.2em;
  color: var(--color-text); padding: 16px 0; position: relative; transition: all 0.4s ease;
}
.btn-more::after {
  content: ''; display: block; width: 40px; height: 1px;
  background: var(--color-text); transition: width 0.4s var(--ease-out-expo);
}
.btn-more:hover { opacity: 1; }
.btn-more:hover::after { width: 60px; }
.section--bg-dark .btn-more { color: #fff; }
.section--bg-dark .btn-more::after { background: #fff; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 18px 48px; background: var(--color-primary); color: #fff;
  font-size: 14px; font-weight: 500; letter-spacing: 0.12em;
  border-radius: 100px; border: 2px solid var(--color-primary); transition: all 0.4s ease;
}
.btn-primary:hover {
  opacity: 1; background: var(--color-primary-light); border-color: var(--color-primary-light);
  transform: translateY(-2px); box-shadow: 0 8px 24px rgba(45, 90, 39, 0.2);
}
.btn-outline {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 18px 48px; background: transparent; color: var(--color-primary);
  font-size: 14px; font-weight: 500; letter-spacing: 0.12em;
  border-radius: 100px; border: 2px solid var(--color-primary); transition: all 0.4s ease;
}
.btn-outline:hover {
  opacity: 1; background: var(--color-primary); color: #fff; transform: translateY(-2px);
}

/* ========================================
   Contact CTA (shared across pages)
   ======================================== */
.contact-section { padding: 100px 0; text-align: center; background: var(--color-bg-light); }
.contact-section .section-desc { font-size: 14px; line-height: 2; color: var(--color-text-light); margin-bottom: 40px; }
.contact-buttons { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }

/* ========================================
   Footer
   ======================================== */
.footer { background: var(--color-bg-dark); color: rgba(255, 255, 255, 0.7); padding: 80px 0 40px; }
.footer-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 40px;
  display: grid; grid-template-columns: 1fr 2fr; gap: 80px;
}
.footer-brand { display: flex; flex-direction: column; }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.footer-logo img { height: 36px; width: auto; }
.footer-logo-text { font-family: var(--font-serif); font-size: 13px; letter-spacing: 0.15em; color: rgba(255, 255, 255, 0.9); }
.footer-address { font-size: 12px; line-height: 2; font-style: normal; }
.footer-tel { font-family: var(--font-en); font-size: 20px; letter-spacing: 0.1em; color: rgba(255, 255, 255, 0.9); margin-top: 16px; display: block; }
.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.footer-nav a { font-size: 12px; letter-spacing: 0.1em; padding: 8px 0; transition: color 0.3s ease; }
.footer-nav a:hover { opacity: 1; color: rgba(255, 255, 255, 1); }
.footer-bottom {
  max-width: 1200px; margin: 60px auto 0; padding: 24px 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex; justify-content: space-between; align-items: center;
}
.footer-copy { font-family: var(--font-en); font-size: 11px; letter-spacing: 0.1em; color: rgba(255, 255, 255, 0.4); }

/* ========================================
   Floating CTA
   ======================================== */
.floating-cta {
  position: fixed; bottom: 30px; right: 30px; z-index: 900;
  opacity: 0; visibility: hidden; transform: translateY(20px); transition: all 0.5s ease;
}
.floating-cta.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.floating-cta a {
  display: flex; align-items: center; justify-content: center;
  width: 60px; height: 60px; background: var(--color-primary); color: #fff;
  border-radius: 50%; box-shadow: 0 4px 20px rgba(45, 90, 39, 0.3); transition: all 0.3s ease;
}
.floating-cta a:hover { opacity: 1; transform: scale(1.1); box-shadow: 0 6px 28px rgba(45, 90, 39, 0.4); }
.floating-cta svg { width: 24px; height: 24px; }

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
  :root { --section-padding: 80px; --header-height: 70px; }
  .pc-nav { display: none; }
  .hamburger { display: flex; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .page-hero { height: 380px; }
}

@media (max-width: 768px) {
  :root { --section-padding: 60px; }
  .container { padding: 0 20px; }
  .header-inner { padding: 0 20px; }
  .contact-buttons { flex-direction: column; align-items: center; }
  .footer-nav { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; padding: 24px 20px 0; }
  .floating-cta { bottom: 20px; right: 20px; }
  .breadcrumb__list { padding: 0 20px; }
  .page-hero { height: 320px; }
}

@media (max-width: 480px) {
  .section-en { font-size: 32px; }
}