/*
Theme Name: ClaudeTheme II
Theme URI: https://claude.ai
Author: Claude (Anthropic)
Author URI: https://claude.ai
Description: A clean Japanese corporate WordPress theme for Alicemedia Inc. Simple, readable, bilingual headings.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: claudetheme2
Tags: minimal, clean, business, japanese, corporate
*/

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  --color-bg:          #F5F4F1;
  --color-surface:     #FFFFFF;
  --color-ink:         #1C1B18;
  --color-ink-muted:   #6B6A65;
  --color-ink-faint:   #C0BEB8;
  --color-accent:      #B8965A;
  --color-accent-dark: #96763A;
  --color-border:      #E2E0DA;

  --font-ja:     'Noto Serif JP', 'Hiragino Mincho ProN', serif;
  --font-body:   'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-en:     'Cormorant Garamond', Georgia, serif;

  --max-width:   1140px;
  --section-pad: clamp(4rem, 7vw, 6.5rem);
  --radius:      4px;
  --ease:        cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --duration:    0.3s;
}

/* ============================================================
   RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: clamp(14px, 1.05vw, 16px);
  line-height: 1.9;
}
img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { border: none; background: none; cursor: pointer; font: inherit; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-ja);
  font-weight: 400;
  line-height: 1.5;
}

/* セクション見出し：英語 + 日本語スタイル */
.sec-heading {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 3rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}
.sec-heading-en {
  font-family: var(--font-en);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 400;
  color: var(--color-ink);
  letter-spacing: 0.04em;
}
.sec-heading-ja {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--color-ink-muted);
  letter-spacing: 0.08em;
}

/* ページ内見出し */
.page-title {
  font-family: var(--font-ja);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 400;
  line-height: 1.4;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}
.section { padding-block: var(--section-pad); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  transition: all var(--duration) var(--ease);
  cursor: pointer;
}
.btn-primary {
  background: var(--color-ink);
  color: #fff;
  border: 1px solid var(--color-ink);
}
.btn-primary:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.btn-outline {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-border);
}
.btn-outline:hover { border-color: var(--color-ink); }
.btn-more {
  font-size: 0.8rem;
  color: var(--color-ink-muted);
  border-bottom: 1px solid var(--color-border);
  padding: 0 0 0.2rem;
  border-radius: 0;
  letter-spacing: 0.08em;
  transition: color var(--duration), border-color var(--duration);
}
.btn-more::after { content: ' →'; }
.btn-more:hover { color: var(--color-accent); border-color: var(--color-accent); }

/* ============================================================
   SITE HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(245, 244, 241, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration) var(--ease);
}
.site-header.scrolled { border-color: var(--color-border); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-logo {
  font-family: var(--font-en);
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--color-ink);
}
.site-logo span { color: var(--color-accent); }

.primary-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.primary-nav a {
  font-size: 0.82rem;
  color: var(--color-ink-muted);
  letter-spacing: 0.06em;
  position: relative;
  transition: color var(--duration);
}
.primary-nav a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width var(--duration) var(--ease);
}
.primary-nav a:hover { color: var(--color-ink); }
.primary-nav a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--color-ink);
  transition: all var(--duration);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-top: 64px;
  position: relative;
  overflow: hidden;
  background: var(--color-ink);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('assets/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(20, 18, 14, 0.72);
  z-index: 1;
}
/* 金の斜めライン装飾 */
.hero-bg::after {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 140%;
  background: linear-gradient(135deg, transparent 40%, rgba(184,150,90,0.06) 50%, transparent 60%);
  transform: rotate(-10deg);
  z-index: 2;
}

.hero-inner {
  position: relative;
  z-index: 3;
  padding-top: 5rem;
  padding-bottom: 3rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.hero-catch {
  font-family: var(--font-ja);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 400;
  color: #F5F4F1;
  line-height: 1.5;
  margin-bottom: 1.5rem;
  letter-spacing: 0;
}
.hero-catch em {
  font-style: normal;
  color: var(--color-accent);
}

.hero-sub {
  font-size: 0.88rem;
  color: rgba(245,244,241,0.55);
  line-height: 1.9;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.hero-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  background: var(--color-accent);
  color: var(--color-ink);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  font-weight: 500;
  transition: background var(--duration);
}
.hero-btn-primary:hover { background: var(--color-accent-dark); color: #fff; }
.hero-btn-outline {
  font-size: 0.82rem;
  color: rgba(245,244,241,0.6);
  border-bottom: 1px solid rgba(245,244,241,0.25);
  padding-bottom: 0.15rem;
  letter-spacing: 0.06em;
  transition: color var(--duration), border-color var(--duration);
}
.hero-btn-outline:hover { color: var(--color-accent); border-color: var(--color-accent); }

.hero-bottom {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 1.75rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.hero-stats {
  display: flex;
  gap: 3rem;
}
.hero-stat-num {
  font-family: var(--font-en);
  font-size: 1.8rem;
  color: #F5F4F1;
  line-height: 1;
  letter-spacing: 0.02em;
}
.hero-stat-num sup { font-size: 0.55em; color: var(--color-accent); }
.hero-stat-label {
  font-size: 0.72rem;
  color: rgba(245,244,241,0.4);
  margin-top: 0.3rem;
  letter-spacing: 0.05em;
}
.hero-scroll {
  font-size: 0.72rem;
  color: rgba(245,244,241,0.35);
  letter-spacing: 0.12em;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.hero-scroll-line {
  display: block;
  width: 2.5rem; height: 1px;
  background: rgba(245,244,241,0.2);
}

.hero-stats-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1.25rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  width: 100%;
}
.hero-stats-wrap .hero-stats { justify-content: flex-end; }
.hero-stats-wrap .hero-stat { text-align: right; }

/* ============================================================
   NEWS セクション
   ============================================================ */
.news-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.news-img {
  aspect-ratio: 4/3;
  background: var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.news-img img { width: 100%; height: 100%; object-fit: cover; }

.news-list { display: flex; flex-direction: column; }
.news-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 1rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.88rem;
  transition: background var(--duration);
}
.news-item:hover { background: rgba(184,150,90,0.04); }
.news-date { color: var(--color-ink-muted); padding-top: 0.1rem; letter-spacing: 0.03em; }
.news-title a {
  color: var(--color-ink);
  line-height: 1.65;
  transition: color var(--duration);
}
.news-title a:hover { color: var(--color-accent-dark); }
.news-more { margin-top: 1.5rem; }

/* ============================================================
   ABOUT セクション
   ============================================================ */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-imgs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.about-img {
  aspect-ratio: 3/4;
  background: var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.about-img:first-child { margin-top: 2rem; }
.about-img img { width: 100%; height: 100%; object-fit: cover; }
.about-img-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  color: var(--color-ink-faint);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.about-text { display: flex; flex-direction: column; gap: 1.5rem; }
.about-lead {
  font-family: var(--font-ja);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-ink);
}
.about-body {
  font-size: 0.88rem;
  color: var(--color-ink-muted);
  line-height: 2;
}

/* ============================================================
   SERVICE セクション
   ============================================================ */
.service-list { display: flex; flex-direction: column; }
.service-item {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: 2rem;
  align-items: center;
  padding-block: 2rem;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--duration);
}
.service-item:hover { background: rgba(184,150,90,0.03); }
.service-num {
  font-family: var(--font-en);
  font-size: 1rem;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}
.service-name {
  font-family: var(--font-ja);
  font-size: 1.05rem;
  font-weight: 400;
  margin-bottom: 0.4rem;
}
.service-desc {
  font-size: 0.83rem;
  color: var(--color-ink-muted);
  line-height: 1.8;
}
.service-arrow {
  color: var(--color-ink-faint);
  font-size: 1.1rem;
  transition: transform var(--duration), color var(--duration);
}
.service-item:hover .service-arrow {
  transform: translateX(4px);
  color: var(--color-accent);
}

/* ============================================================
   SITE FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-ink);
  color: rgba(245,244,241,0.5);
  padding-block: 3.5rem 2rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.footer-logo {
  font-family: var(--font-en);
  font-size: 1.2rem;
  color: #F5F4F1;
  margin-bottom: 0.75rem;
  letter-spacing: 0.06em;
}
.footer-logo span { color: var(--color-accent); }
.footer-tagline { font-size: 0.8rem; line-height: 1.8; max-width: 28ch; }
.footer-col-title {
  font-size: 0.78rem;
  color: rgba(245,244,241,0.85);
  margin-bottom: 1rem;
  letter-spacing: 0.06em;
}
.footer-links { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a {
  font-size: 0.82rem;
  transition: color var(--duration);
}
.footer-links a:hover { color: var(--color-accent); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  font-size: 0.75rem;
  color: rgba(245,244,241,0.25);
}

/* ============================================================
   PAGE HERO（内部ページ）
   ============================================================ */
.page-hero {
  padding-top: calc(64px + 4rem);
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--color-border);
}
.page-hero-label {
  font-size: 0.78rem;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.page-hero-label::before {
  content: '';
  display: block;
  width: 1.5rem; height: 1px;
  background: var(--color-accent);
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  margin-bottom: 1.5rem;
}
.breadcrumb a:hover { color: var(--color-ink); }
.breadcrumb-sep { color: var(--color-ink-faint); }

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  display: flex;
  justify-content: flex-start;
  gap: 0.4rem;
  margin-top: 4rem;
}
.page-numbers {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 38px; height: 38px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.83rem;
  transition: all var(--duration);
}
.page-numbers:hover, .page-numbers.current {
  background: var(--color-ink);
  color: #fff;
  border-color: var(--color-ink);
}

/* ============================================================
   POST (single / archive)
   ============================================================ */
.post-list { display: flex; flex-direction: column; }
.post-list-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.5rem;
  padding-block: 2.5rem;
  border-bottom: 1px solid var(--color-border);
  align-items: start;
}
.post-list-thumb {
  aspect-ratio: 16/9;
  background: var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.post-list-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.post-list-item:hover .post-list-thumb img { transform: scale(1.04); }
.post-list-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.78rem;
  color: var(--color-ink-muted);
  margin-bottom: 0.6rem;
}
.post-list-cat { color: var(--color-accent); }
.post-list-title {
  font-family: var(--font-ja);
  font-size: 1.05rem;
  font-weight: 400;
  margin-bottom: 0.6rem;
  line-height: 1.6;
  transition: color var(--duration);
}
.post-list-item:hover .post-list-title { color: var(--color-accent-dark); }
.post-list-excerpt { font-size: 0.83rem; color: var(--color-ink-muted); line-height: 1.85; }

/* 記事本文 */
.post-layout { display: grid; grid-template-columns: 1fr 220px; gap: 4rem; align-items: start; }
.post-content { min-width: 0; }
.post-content h2 { font-family: var(--font-ja); font-size: 1.3rem; margin-block: 2.5rem 1rem; padding-left: 0.75rem; border-left: 2px solid var(--color-accent); }
.post-content h3 { font-family: var(--font-ja); font-size: 1.1rem; margin-block: 2rem 0.75rem; color: var(--color-ink); }
.post-content p { margin-bottom: 1.5rem; color: var(--color-ink-muted); line-height: 2; }
.post-content a { color: var(--color-accent-dark); text-decoration: underline; text-underline-offset: 3px; }
.post-content img { border-radius: var(--radius); margin-block: 2rem; }
.post-content ul, .post-content ol { list-style: revert; padding-left: 1.5rem; margin-bottom: 1.5rem; color: var(--color-ink-muted); }
.post-content li { margin-bottom: 0.4rem; }
.post-content blockquote {
  border-left: 2px solid var(--color-accent);
  padding-left: 1.5rem;
  margin-block: 2rem;
  color: var(--color-ink-muted);
  font-style: italic;
}
.post-sidebar { position: sticky; top: 80px; }
.sidebar-widget { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1.25rem; }
.sidebar-widget-title { font-size: 0.72rem; letter-spacing: 0.1em; color: var(--color-ink-muted); margin-bottom: 1rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--color-border); }

/* ============================================================
   404
   ============================================================ */
.page-404 { min-height: 80svh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 1.5rem; }
.page-404-num { font-family: var(--font-en); font-size: clamp(6rem, 15vw, 12rem); color: var(--color-border); line-height: 1; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { opacity: 0; animation: fadeUp 0.65s var(--ease) forwards; }
.fade-up-1 { animation-delay: 0.1s; }
.fade-up-2 { animation-delay: 0.22s; }
.fade-up-3 { animation-delay: 0.34s; }
.fade-up-4 { animation-delay: 0.46s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .news-layout  { grid-template-columns: 1fr; }
  .about-layout { grid-template-columns: 1fr; gap: 3rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --section-pad: 3.5rem; }
  .primary-nav { display: none; }
  .primary-nav.open {
    display: flex; flex-direction: column;
    position: fixed; inset: 0;
    background: var(--color-bg);
    align-items: center; justify-content: center;
    gap: 2rem; z-index: 99;
  }
  .primary-nav.open a { font-size: 1.1rem; }
  .nav-toggle { display: flex; }
  .service-item { grid-template-columns: 50px 1fr; }
  .service-arrow { display: none; }
  .post-list-item { grid-template-columns: 1fr; }
  .post-layout { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .about-imgs { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 1.5rem; }
  .hero-bottom { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
  .sec-heading { flex-direction: column; gap: 0.25rem; }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .about-imgs { grid-template-columns: 1fr; }
}

/* ============================================================
   投稿ページ固有
   ============================================================ */
.single .page-hero { padding-top: calc(64px + 2.5rem); padding-bottom: 2rem; }
.single .page-hero .page-title { font-size: clamp(1.3rem, 2.5vw, 2rem); }