/*
Theme Name:  桧山工務店
Theme URI:   https://example.com
Author:      Your Name
Author URI:  https://example.com
Description: 桧山工務店 コーポレートサイト用WordPressテーマ
Version:     1.0.0
License:     GNU General Public License v2 or later
Text Domain: hinokiyama
*/

/* ==========================================================================
   Design System — Colors / Typography / Layout
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;500;600;700;800&family=Zen+Kaku+Gothic+New:wght@300;400;500;700;900&display=swap');

:root {
  --color-bg:          #F5EFE6;
  --color-bg-deep:     #EAE0CD;
  --color-paper:       #FBF8F2;
  --color-ink:         #2A211A;
  --color-ink-soft:    #5C5045;
  --color-wood:        #6B4226;
  --color-wood-deep:   #4A2D18;
  --color-indigo:      #1F3A52;
  --color-indigo-deep: #14283A;
  --color-brass:       #B9925A;
  --color-brass-soft:  #D8BD8E;
  --color-line:        rgba(42, 33, 26, 0.14);

  --font-display: 'Shippori Mincho', serif;
  --font-body:    'Zen Kaku Gothic New', sans-serif;

  --section-pad:        128px;
  --section-pad-mobile:  72px;
  --container-w:       1180px;
  --radius-s:            2px;
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, ul, ol, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

:focus-visible { outline: 2px solid var(--color-indigo); outline-offset: 3px; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 32px;
}

.section { padding: var(--section-pad) 0; position: relative; }
.section--deep { background: var(--color-bg-deep); }
.section--dark { background: var(--color-indigo-deep); color: var(--color-paper); }
.section--wood { background: var(--color-wood-deep); color: var(--color-paper); }
.section--dark h1, .section--dark h2, .section--dark h3,
.section--wood h1, .section--wood h2, .section--wood h3 { color: var(--color-paper); }
.section--dark p, .section--wood p { color: rgba(251,248,242,0.78); }

.section-head { margin-bottom: 64px; max-width: 640px; }

/* ---------- Typography ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  letter-spacing: 0.22em;
  font-weight: 700;
  color: var(--color-wood);
  margin-bottom: 18px;
}
.eyebrow::before { content: ''; width: 28px; height: 1px; background: currentColor; }
.section--dark .eyebrow, .section--wood .eyebrow { color: var(--color-brass-soft); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.45;
  color: var(--color-ink);
}
h2 { font-size: clamp(28px, 3.4vw, 40px); }
h3 { font-size: clamp(20px, 2vw, 24px); }
p  { color: var(--color-ink-soft); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 17px 34px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: var(--radius-s);
  transition: transform 0.4s var(--ease-soft), background 0.3s, color 0.3s;
  white-space: nowrap;
}
.btn--primary { background: var(--color-indigo); color: var(--color-paper); }
.btn--primary:hover { background: var(--color-indigo-deep); transform: translateY(-2px); }
.btn--ghost { border: 1px solid currentColor; color: var(--color-ink); }
.btn--ghost:hover { background: var(--color-ink); color: var(--color-paper); transform: translateY(-2px); }
.section--dark .btn--ghost,
.section--wood .btn--ghost { color: var(--color-paper); }
.section--dark .btn--ghost:hover,
.section--wood .btn--ghost:hover { background: var(--color-paper); color: var(--color-indigo-deep); }
.btn--brass { background: var(--color-brass); color: var(--color-indigo-deep); }
.btn--brass:hover { background: var(--color-brass-soft); transform: translateY(-2px); }

/* ---------- Ring mark SVG ---------- */
.ring-mark { display: block; }
.ring-mark circle { fill: none; stroke: currentColor; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 26px 0;
  transition: padding 0.4s var(--ease-soft), background 0.4s, box-shadow 0.4s;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; }
.site-header.is-scrolled {
  padding: 14px 0;
  background: rgba(245,239,230,0.92);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 var(--color-line);
}

.brand { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-weight: 700; font-size: 19px; color: var(--color-ink); }
.brand .ring-mark { width: 34px; height: 34px; color: var(--color-wood); }
.brand small { display: block; font-family: var(--font-body); font-size: 10px; font-weight: 500; letter-spacing: 0.16em; color: var(--color-ink-soft); margin-top: 2px; }

.nav-desktop { display: flex; align-items: center; gap: 40px; }
.nav-links { display: flex; gap: 34px; }
.nav-links a { font-size: 14px; font-weight: 500; position: relative; padding-bottom: 4px; }
.nav-links a::after { content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 1px; background: var(--color-brass); transition: width 0.35s var(--ease-soft); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { width: 100%; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 28px; z-index: 110; }
.nav-toggle span { height: 2px; background: var(--color-ink); transition: transform 0.35s var(--ease-soft), opacity 0.3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  position: fixed; inset: 0;
  background: var(--color-bg);
  z-index: 105;
  display: flex; flex-direction: column; justify-content: center;
  padding: 32px;
  transform: translateY(-100%);
  transition: transform 0.5s var(--ease-soft);
}
.nav-mobile.is-open { transform: translateY(0); }
.nav-mobile a { font-family: var(--font-display); font-size: 28px; display: block; padding: 14px 0; border-bottom: 1px solid var(--color-line); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100vh; display: flex; align-items: flex-end; padding-top: 140px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(20,40,58,.42) 0%, rgba(20,40,58,.18) 38%, rgba(20,40,58,.74) 100%); }
.hero-rings { position: absolute; right: -120px; top: 50%; transform: translateY(-50%); width: 560px; height: 560px; color: rgba(251,248,242,.5); z-index: 1; pointer-events: none; }
.hero-content { position: relative; z-index: 2; color: var(--color-paper); padding-bottom: 96px; max-width: 760px; }
.hero-content .eyebrow { color: var(--color-brass-soft); }
.hero-content h1 { color: var(--color-paper); font-size: clamp(32px,5vw,56px); line-height: 1.55; margin-bottom: 28px; }
.hero-content p { color: rgba(251,248,242,.86); font-size: 16px; max-width: 520px; margin-bottom: 40px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.scroll-cue { position: absolute; bottom: 36px; left: 32px; z-index: 2; display: flex; align-items: center; gap: 12px; color: rgba(251,248,242,.7); font-size: 11px; letter-spacing: .18em; }
.scroll-cue .line { width: 1px; height: 36px; background: rgba(251,248,242,.5); position: relative; overflow: hidden; }
.scroll-cue .line::after { content: ''; position: absolute; top: -100%; left: 0; width: 100%; height: 100%; background: var(--color-brass-soft); animation: cueDrip 2.2s var(--ease-soft) infinite; }
@keyframes cueDrip { to { top: 100%; } }

/* ---------- Page hero (subpages) ---------- */
.page-hero { padding: 200px 0 100px; background: var(--color-indigo-deep); color: var(--color-paper); position: relative; overflow: hidden; }
.page-hero .ring-mark { position: absolute; right: -60px; top: -60px; width: 320px; height: 320px; color: rgba(251,248,242,.08); }
.page-hero .eyebrow { color: var(--color-brass-soft); }
.page-hero h1 { color: var(--color-paper); font-size: clamp(30px,4vw,46px); }
.page-hero .lead { margin-top: 18px; max-width: 560px; font-size: 16px; }

/* ---------- Grid ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.grid-cards { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--color-line); }
.grid-cards--3 { grid-template-columns: repeat(3,1fr); }

/* ---------- Strength cards ---------- */
.strength-card { background: var(--color-bg); padding: 44px 32px; transition: background 0.35s; }
.strength-card:hover { background: var(--color-paper); }
.strength-card .icon { width: 40px; height: 40px; color: var(--color-wood); margin-bottom: 24px; }
.strength-card h3 { margin-bottom: 14px; font-size: 18px; }
.strength-card p { font-size: 14px; }

/* ---------- Works ---------- */
.works-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.work-card { background: var(--color-paper); overflow: hidden; }
.work-card .thumb { aspect-ratio: 4/3; overflow: hidden; }
.work-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease-soft); }
.work-card:hover .thumb img { transform: scale(1.06); }
.work-card .body { padding: 24px; }
.work-card .tag { display: inline-block; font-size: 11px; letter-spacing: .08em; color: var(--color-wood); border: 1px solid var(--color-wood); padding: 3px 10px; border-radius: 20px; margin-bottom: 14px; }
.work-card h3 { font-size: 16px; margin-bottom: 8px; }
.work-card .meta { font-size: 12px; color: var(--color-ink-soft); }

/* ---------- Voice ---------- */
.voice-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; }
.voice-card { background: var(--color-paper); padding: 36px 30px; border-left: 2px solid var(--color-brass); }
.voice-card .quote-mark { font-family: var(--font-display); font-size: 36px; color: var(--color-brass); line-height: 1; margin-bottom: 12px; }
.voice-card p.quote { font-size: 14.5px; color: var(--color-ink); margin-bottom: 20px; }
.voice-card .who { font-size: 12px; color: var(--color-ink-soft); letter-spacing: .05em; }

/* ---------- News ---------- */
.news-list { border-top: 1px solid var(--color-line); }
.news-item { display: flex; align-items: baseline; gap: 28px; padding: 26px 0; border-bottom: 1px solid var(--color-line); }
.news-item time { font-size: 13px; color: var(--color-ink-soft); width: 92px; flex-shrink: 0; }
.news-item .cat { font-size: 11px; letter-spacing: .06em; color: var(--color-indigo); border: 1px solid var(--color-indigo); padding: 2px 10px; border-radius: 20px; flex-shrink: 0; }
.news-item .title { font-size: 14.5px; }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; }
.cta-band h2 { margin-bottom: 18px; }
.cta-band p { max-width: 480px; margin: 0 auto 36px; }
.cta-band .hero-actions { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-ink); color: rgba(251,248,242,.7); padding: 80px 0 32px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 56px; border-bottom: 1px solid rgba(251,248,242,.12); }
.footer-brand .brand { color: var(--color-paper); }
.footer-brand .ring-mark { color: var(--color-brass-soft); }
.footer-brand p { margin-top: 18px; font-size: 13px; max-width: 280px; }
.footer-col h4 { font-family: var(--font-body); font-size: 13px; letter-spacing: .08em; color: var(--color-brass-soft); margin-bottom: 18px; }
.footer-col a, .footer-col p { display: block; font-size: 13.5px; margin-bottom: 12px; color: rgba(251,248,242,.7); }
.footer-col a:hover { color: var(--color-paper); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 28px; font-size: 12px; flex-wrap: wrap; gap: 12px; }

/* ---------- Timeline ---------- */
.timeline { border-left: 1px solid var(--color-line); margin-left: 8px; }
.timeline-item { position: relative; padding: 0 0 48px 40px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before { content: ''; position: absolute; left: -5px; top: 4px; width: 9px; height: 9px; border-radius: 50%; background: var(--color-brass); }
.timeline-item .year { font-family: var(--font-display); font-size: 22px; color: var(--color-wood); margin-bottom: 8px; }

/* ---------- Staff ---------- */
.staff-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; }
.staff-card .thumb { aspect-ratio: 1; overflow: hidden; margin-bottom: 20px; }
.staff-card .thumb img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.25); }
.staff-card .role { font-size: 12px; color: var(--color-wood); letter-spacing: .05em; margin-bottom: 6px; }
.staff-card h3 { font-size: 17px; margin-bottom: 10px; }

/* ---------- Process ---------- */
.process-list { display: flex; flex-direction: column; }
.process-item { display: grid; grid-template-columns: 80px 1fr; gap: 32px; padding: 36px 0; border-bottom: 1px solid var(--color-line); }
.process-item:first-child { padding-top: 0; }
.process-item .num { font-family: var(--font-display); font-size: 32px; color: var(--color-brass); }
.process-item h3 { margin-bottom: 10px; }
.process-item p { font-size: 14px; }

/* ---------- Tables ---------- */
.price-table { width: 100%; border-collapse: collapse; }
.price-table th, .price-table td { text-align: left; padding: 18px 16px; border-bottom: 1px solid var(--color-line); font-size: 14px; }
.price-table th { font-weight: 700; background: var(--color-bg-deep); }
.price-table td.note { color: var(--color-ink-soft); font-size: 12.5px; }
.info-table tr { border-bottom: 1px solid var(--color-line); }
.info-table th, .info-table td { text-align: left; padding: 16px 0; font-size: 14px; vertical-align: top; }
.info-table th { width: 160px; font-weight: 700; color: var(--color-ink-soft); }

/* ---------- Contact / Form ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 360px; gap: 64px; align-items: start; }
.form-field { margin-bottom: 26px; }
.form-field label { display: block; font-size: 13.5px; font-weight: 700; margin-bottom: 10px; }
.form-field .req { color: #A24B3F; font-size: 11px; margin-left: 6px; font-weight: 700; }
.form-field input[type="text"],
.form-field input[type="tel"],
.form-field input[type="email"],
.form-field select,
.form-field textarea { width: 100%; padding: 14px 16px; background: var(--color-paper); border: 1px solid var(--color-line); border-radius: var(--radius-s); font-size: 14px; transition: border-color .3s; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--color-wood); outline: none; }
.form-field textarea { min-height: 140px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.contact-side { background: var(--color-wood-deep); color: var(--color-paper); padding: 40px 32px; }
.contact-side h3 { color: var(--color-paper); font-size: 17px; margin-bottom: 24px; }
.contact-side .row { display: flex; gap: 14px; margin-bottom: 22px; font-size: 13.5px; }
.contact-side .row strong { display: block; font-size: 11px; letter-spacing: .08em; color: var(--color-brass-soft); margin-bottom: 4px; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease-soft), transform .9s var(--ease-soft); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- WordPress core classes ---------- */
.aligncenter { margin-left: auto; margin-right: auto; display: block; }
.alignleft  { float: left; margin-right: 1.5em; }
.alignright { float: right; margin-left: 1.5em; }
.wp-caption { max-width: 100%; }
.screen-reader-text { clip: rect(1px,1px,1px,1px); height: 1px; overflow: hidden; position: absolute; width: 1px; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-cards { grid-template-columns: repeat(2,1fr); }
  .works-grid, .voice-grid, .staff-grid { grid-template-columns: repeat(2,1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --section-pad: var(--section-pad-mobile); }
  .nav-desktop { display: none; }
  .nav-toggle  { display: flex; }
  .grid-2 { grid-template-columns: 1fr; gap: 36px; }
  .grid-cards, .grid-cards--3 { grid-template-columns: 1fr; }
  .works-grid, .voice-grid, .staff-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .form-row   { grid-template-columns: 1fr; }
  .hero-rings { width: 360px; height: 360px; right: -160px; }
  .hero-content { padding-bottom: 64px; }
  .process-item { grid-template-columns: 56px 1fr; gap: 18px; }
}
@media (max-width: 480px) {
  .container { padding: 0 20px; }
  .hero-actions, .cta-band .hero-actions { flex-direction: column; align-items: stretch; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}