/*
Theme Name: Declic
Theme URI: https://declic.jp
Author: Ultra Create
Description: メンズエステ向け電話・予約受付代行サービス Declic の公式テーマ
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: declic
*/

/* ========================================
   Design Tokens
   ======================================== */
:root {
  /* Colors - Premium Navy Palette */
  --color-primary: #0A1628;
  --color-primary-light: #1E3A5F;
  --color-primary-mid: #15294A;
  --color-primary-dark: #050B15;

  /* Gold Accent (Premium) */
  --color-gold: #C9A961;
  --color-gold-light: #DCBE7E;
  --color-gold-dark: #A88A47;

  /* Blue Accent (Trust) */
  --color-accent: #3B82F6;
  --color-accent-hover: #2563EB;

  /* Neutrals */
  --color-white: #FFFFFF;
  --color-cream: #FAF7F2;
  --color-gray-50: #F8FAFC;
  --color-gray-100: #F1F5F9;
  --color-gray-200: #E2E8F0;
  --color-gray-300: #CBD5E1;
  --color-gray-400: #94A3B8;
  --color-gray-500: #64748B;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1E293B;
  --color-gray-900: #0F172A;

  --color-text: #1E293B;
  --color-text-light: #64748B;
  --color-text-inverse: #FFFFFF;
  --color-bg: #FFFFFF;
  --color-bg-alt: #FAF7F2;
  --color-border: #E5E7EB;
  --color-success: #10B981;
  --color-line: #06C755;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #0A1628 0%, #15294A 50%, #1E3A5F 100%);
  --gradient-gold: linear-gradient(135deg, #C9A961 0%, #DCBE7E 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(10, 22, 40, 0.85) 0%, rgba(10, 22, 40, 0.6) 100%);

  /* Typography */
  --font-sans: 'Noto Sans JP', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Montserrat', 'Noto Sans JP', sans-serif;
  --font-display: 'Playfair Display', 'Noto Serif JP', serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 900px;
  --header-height: 80px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

/* ========================================
   Accessibility
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  z-index: 9999;
  text-decoration: none;
  font-size: var(--font-size-sm);
}

.skip-link:focus {
  top: 0;
  color: var(--color-white);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

html,
body {
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-primary);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

/* ========================================
   Utility Classes
   ======================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

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

.section {
  padding: var(--space-5xl) 0;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section__subtitle {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section__title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-md);
}

.section__desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  max-width: 640px;
  margin: 0 auto;
}

.text-center { text-align: center; }
.text-left { text-align: left; }

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 2rem;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn--primary:hover {
  background-color: var(--color-primary-light);
  color: var(--color-text-inverse);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.btn--accent:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-text-inverse);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn--line {
  background-color: var(--color-line);
  color: var(--color-text-inverse);
}

.btn--line:hover {
  background-color: #05B04A;
  color: var(--color-text-inverse);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--gold {
  background: var(--gradient-gold);
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 0.05em;
  box-shadow: 0 8px 24px -8px rgba(201, 169, 97, 0.5);
}

.btn--gold:hover {
  color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: 0 16px 32px -8px rgba(201, 169, 97, 0.6);
  filter: brightness(1.05);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(10px);
}

.btn--ghost:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 1.125rem 2.5rem;
  font-size: var(--font-size-lg);
}

.btn--sm {
  padding: 0.625rem 1.25rem;
  font-size: var(--font-size-sm);
}

.btn--full {
  width: 100%;
}

/* ========================================
   Header
   ======================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: all var(--transition-base);
}

.site-header.is-scrolled {
  box-shadow: 0 4px 30px -10px rgba(10, 22, 40, 0.15);
}

/* Transparent variant (over hero image) */
.site-header--transparent {
  background-color: transparent;
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.site-header--transparent .site-header__logo a,
.site-header--transparent .site-header__logo-mark,
.site-header--transparent .site-header__logo-text {
  color: var(--color-white);
}

.site-header--transparent .main-nav__link {
  color: rgba(255, 255, 255, 0.85);
}

.site-header--transparent .main-nav__link:hover,
.site-header--transparent .main-nav__link.is-active {
  color: var(--color-white);
}

.site-header--transparent .main-nav__link::after {
  background-color: var(--color-gold);
}

.site-header--transparent .menu-toggle__bar {
  background-color: var(--color-white);
}

.site-header--transparent.is-scrolled {
  background-color: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(20px);
  border-bottom-color: rgba(255, 255, 255, 0.05);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.site-header__logo a {
  display: inline-flex;
  align-items: baseline;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  transition: color var(--transition-base);
}

.site-header__logo a:hover {
  color: var(--color-primary);
}

.site-header__logo-mark {
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-gold);
  font-size: 1.1em;
  margin-right: 1px;
  transition: color var(--transition-base);
}

.site-header__logo-text {
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

.site-header__logo img {
  height: 40px;
  width: auto;
}

/* Navigation */
.main-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.main-nav__link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  padding: var(--space-sm) 0;
  position: relative;
}

.main-nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

.main-nav__link:hover,
.main-nav__link.is-active {
  color: var(--color-primary);
}

.main-nav__link:hover::after,
.main-nav__link.is-active::after {
  width: 100%;
}

.main-nav__cta {
  margin-left: var(--space-md);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px;
  height: 30px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.menu-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.menu-toggle.is-active .menu-toggle__bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.is-active .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active .menu-toggle__bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
  position: relative;
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
  padding: var(--space-4xl) 0 var(--space-xl);
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.site-footer::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, rgba(201, 169, 97, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.site-footer .container {
  position: relative;
  z-index: 1;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.site-footer__brand {
  grid-column: 1;
}

.site-footer__logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-md);
  letter-spacing: 0.02em;
}

.site-footer__logo span {
  color: var(--color-gold);
  font-style: italic;
}

.site-footer__desc {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  line-height: 1.9;
}

.site-footer__nav-title {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-gold);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.site-footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.site-footer__nav-link {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  transition: color var(--transition-base), padding-left var(--transition-base);
  position: relative;
}

.site-footer__nav-link::before {
  content: '→';
  position: absolute;
  left: 0;
  opacity: 0;
  color: var(--color-gold);
  transition: opacity var(--transition-base);
}

.site-footer__nav-link:hover {
  color: var(--color-white);
  padding-left: 20px;
}

.site-footer__nav-link:hover::before {
  opacity: 1;
}

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-xl);
  text-align: center;
}

.site-footer__copyright {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  letter-spacing: 0.05em;
}

/* ========================================
   CTA Band
   ======================================== */
.cta-band {
  background-color: var(--color-primary);
  padding: var(--space-3xl) 0;
  text-align: center;
}

.cta-band__title {
  font-size: var(--font-size-3xl);
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.cta-band__desc {
  font-size: var(--font-size-lg);
  color: var(--color-gray-300);
  margin-bottom: var(--space-2xl);
}

.cta-band__buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.cta-band__tel {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--color-white);
  margin-top: var(--space-lg);
}

.cta-band__tel-number {
  font-family: var(--font-heading);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.cta-band__tel-note {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
}

/* ========================================
   Responsive
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --space-5xl: 6rem;
    --space-4xl: 4.5rem;
  }

  .container {
    padding: 0 var(--space-lg);
  }

  h1 { font-size: var(--font-size-4xl); }
  h2 { font-size: var(--font-size-3xl); }

  .section {
    padding: var(--space-4xl) 0;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  h3 { font-size: var(--font-size-xl); }

  .section {
    padding: var(--space-3xl) 0;
  }

  .section__title {
    font-size: var(--font-size-2xl);
  }

  .container {
    padding: 0 var(--space-md);
  }

  /* Mobile Nav */
  .menu-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-white);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    z-index: 999;
  }

  .main-nav.is-open {
    transform: translateX(0);
  }

  /* Override transparent header rules inside mobile menu so links stay readable */
  .site-header--transparent .main-nav {
    background-color: var(--color-white);
  }

  .site-header--transparent .main-nav__link {
    color: var(--color-text);
  }

  .site-header--transparent .main-nav__link:hover,
  .site-header--transparent .main-nav__link.is-active {
    color: var(--color-primary);
  }

  .main-nav__list {
    flex-direction: column;
    padding: var(--space-xl);
    gap: 0;
  }

  .main-nav__item {
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }

  .main-nav__link {
    display: block;
    padding: var(--space-md) 0;
    font-size: var(--font-size-lg);
  }

  .main-nav__cta {
    margin-left: 0;
    margin-top: var(--space-lg);
    width: 100%;
    padding: 1.125rem 2rem;
    font-size: var(--font-size-base);
  }

  /* Footer */
  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .cta-band__title {
    font-size: var(--font-size-2xl);
  }
}