/*
Theme Name: Author Brand
Theme URI: https://example.com/author-brand
Author: Your Name
Author URI: https://example.com
Description: 著者ブランディング用ダークモードWordPressテーマ。シンプルでスタイリッシュなデザイン。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: author-brand
Tags: one-page, dark, portfolio, author, custom-background, custom-logo
*/

/* ============================================
   CSS Variables
============================================ */
:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #1a1a1a;
  --text-primary: #f5f5f5;
  --text-secondary: #a0a0a0;
  --accent: #c9a96e;
  --accent-hover: #dbbf8a;
  --accent-dark: #a88a4e;
  --border: #2a2a2a;
  --font-body: 'Noto Sans JP', sans-serif;
  --font-heading: 'Playfair Display', serif;
  --max-width: 1200px;
  --section-padding: 120px 0;
  --transition: 0.3s ease;
}

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

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

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

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

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

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

ul, ol {
  list-style: none;
}

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

/* ============================================
   Typography
============================================ */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

.section-title {
  text-align: center;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-subtitle {
  text-align: center;
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 8px;
  font-family: var(--font-body);
  font-weight: 500;
}

.section-divider {
  width: 60px;
  height: 2px;
  background: var(--accent);
  margin: 0 auto 60px;
}

/* ============================================
   Header / Navigation
============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition);
  background: transparent;
}

.site-header.scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  padding: 12px 0;
  box-shadow: 0 1px 0 var(--border);
}

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

.site-logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
}

.site-logo span {
  color: var(--accent);
}

.main-nav ul {
  display: flex;
  gap: 32px;
}

.main-nav a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition);
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

.main-nav a:hover {
  color: var(--text-primary);
}

.main-nav a:hover::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: all var(--transition);
}

/* ============================================
   Hero Section
============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, rgba(201, 169, 110, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-label {
  display: inline-block;
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 24px;
  border: 1px solid var(--accent);
  padding: 6px 20px;
}

.hero h1 {
  margin-bottom: 24px;
  color: var(--text-primary);
}

.hero h1 .accent {
  color: var(--accent);
  display: block;
  font-size: 0.5em;
  margin-top: 8px;
  font-style: italic;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 2;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--bg-primary);
  padding: 14px 40px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: all var(--transition);
  border: 2px solid var(--accent);
}

.hero-cta:hover {
  background: transparent;
  color: var(--accent);
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: scrollBounce 2s infinite;
}

.scroll-indicator::after {
  content: '';
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   Vision & Mission Section
============================================ */
.vision-mission {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

.vm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 20px;
}

.vm-card {
  padding: 48px;
  border: 1px solid var(--border);
  position: relative;
  transition: border-color var(--transition);
}

.vm-card:hover {
  border-color: var(--accent);
}

.vm-card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 40px;
  width: 60px;
  height: 2px;
  background: var(--accent);
}

.vm-card h3 {
  color: var(--accent);
  margin-bottom: 8px;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-family: var(--font-body);
}

.vm-card h2 {
  margin-bottom: 20px;
  font-size: 1.6rem;
}

.vm-card p {
  color: var(--text-secondary);
  line-height: 2;
}

/* ============================================
   Services Section
============================================ */
.services {
  padding: var(--section-padding);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--bg-card);
  padding: 48px 36px;
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.service-card:hover::after {
  transform: scaleX(1);
}

.service-icon {
  font-size: 2rem;
  margin-bottom: 24px;
  display: block;
}

.service-card h3 {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
}

/* ============================================
   Media / Press Section
============================================ */
.media {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

.media-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.media-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  border: 1px solid var(--border);
  transition: border-color var(--transition);
}

.media-item:hover {
  border-color: var(--accent);
}

.media-item-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.media-item-info h4 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.media-item-info p {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* ============================================
   Profile Section
============================================ */
.profile {
  padding: var(--section-padding);
}

.profile-inner {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 80px;
  align-items: start;
}

.profile-image-wrapper {
  position: relative;
}

.profile-image {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.profile-image-wrapper::after {
  content: '';
  position: absolute;
  top: 16px;
  left: 16px;
  right: -16px;
  bottom: -16px;
  border: 1px solid var(--accent);
  z-index: -1;
}

.profile-content h3 {
  font-family: var(--font-body);
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.profile-content h2 {
  font-size: 2rem;
  margin-bottom: 12px;
}

.profile-title {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.profile-text {
  color: var(--text-secondary);
  line-height: 2.2;
  margin-bottom: 40px;
}

.profile-data {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.profile-data-item {
  padding: 20px;
  border: 1px solid var(--border);
}

.profile-data-item .label {
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.profile-data-item .value {
  font-size: 1rem;
  font-weight: 600;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 12px 32px;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: all var(--transition);
}

.btn-outline:hover {
  background: var(--accent);
  color: var(--bg-primary);
}

/* ============================================
   Contact Section
============================================ */
.contact {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

.contact-inner {
  max-width: 640px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  padding: 14px 18px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group textarea {
  min-height: 160px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: var(--bg-primary);
  border: 2px solid var(--accent);
  padding: 16px 48px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
  width: fit-content;
  align-self: center;
}

.btn-submit:hover {
  background: transparent;
  color: var(--accent);
}

/* ============================================
   Footer
============================================ */
.site-footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--text-primary);
  font-weight: 700;
}

.footer-logo span {
  color: var(--accent);
}

.footer-nav ul {
  display: flex;
  gap: 24px;
}

.footer-nav a {
  color: var(--text-secondary);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  transition: color var(--transition);
}

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

.footer-copyright {
  text-align: center;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

/* ============================================
   Animations (Scroll Reveal)
============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Responsive
============================================ */
@media (max-width: 1024px) {
  .profile-inner {
    grid-template-columns: 300px 1fr;
    gap: 48px;
  }

  .vm-grid {
    gap: 30px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 80px 0;
  }

  /* Mobile Navigation */
  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    padding: 80px 40px;
    transition: right var(--transition);
    border-left: 1px solid var(--border);
  }

  .main-nav.active {
    right: 0;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 24px;
  }

  .main-nav a {
    font-size: 1rem;
  }

  /* Hero */
  .hero {
    padding: 100px 24px 60px;
  }

  /* Grid layouts */
  .vm-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .profile-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .profile-image-wrapper {
    max-width: 300px;
    margin: 0 auto;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .vm-card {
    padding: 32px 24px;
  }
}

@media (max-width: 480px) {
  .profile-data {
    grid-template-columns: 1fr;
  }

  .hero-label {
    font-size: 0.7rem;
    padding: 4px 14px;
  }
}