/*
 * common.css — Shared chrome styles for Takuのアトリエ
 *
 * Used by index.html, about.html, contact.html, privacy.html, and
 * tokushoho.html. Covers: reset, theme tokens (Mono/Petal), base
 * typography, nav, theme toggle widget, page hero, generic section
 * layout, info list / business list / profile content components,
 * and footer.
 *
 * Each page keeps its own Google Fonts @import (font sets differ
 * slightly per page) and any page-specific layout in its own
 * <style> block, loaded after this stylesheet.
 */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ════════════════════════════════════
   THEME TOKENS
════════════════════════════════════ */
:root {
  --dur: 0.7s;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* — Mono (dark) — */
[data-theme="mono"] {
  --bg:        #0a0a0a;
  --bg-card:   #0f0f0f;
  --bg-hover:  #141414;
  --fg:        #f0ede8;
  --fg-mid:    #6a6a6a;
  --fg-light:  #c8c4bc;
  --border:    rgba(240,237,232,0.08);
  --border-md: rgba(240,237,232,0.12);
  --stroke:    rgba(240,237,232,0.04);
  --accent:    #f0ede8;
  --toggle-bg: #1e1e1e;
  --toggle-label: #888;
  --pill-bg: #f4aeb3;
  --pill-fg: #3a1820;
  --required:  #e2534d;
  --success:   #8fbf9f;
}

/* — Petal (pink) — */
[data-theme="petal"] {
  --bg:        #faf0f1;
  --bg-card:   #f7e8ea;
  --bg-hover:  #f0dde0;
  --fg:        #2a1215;
  --fg-mid:    #9e7a7e;
  --fg-light:  #6b4048;
  --border:    rgba(42,18,21,0.08);
  --border-md: rgba(42,18,21,0.14);
  --stroke:    rgba(244,174,179,0.25);
  --accent:    #c2687a;
  --toggle-bg: #f4aeb3;
  --toggle-label: #8b5058;
  --pill-bg: #2a1215;
  --pill-fg: #f4aeb3;
  --required:  #c23b3b;
  --success:   #4f8f68;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 300;
  overflow-x: hidden;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

/* ── Nav ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 3rem;
  z-index: 100;
}

.nav-logo {
  font-family: 'Courier Prime', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--fg);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  padding-right: 4rem; /* leave room for toggle */
}

.nav-links a {
  font-family: 'Courier Prime', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-mid);
  text-decoration: none;
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.3s;
}

.nav-links a:hover { color: var(--fg); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--fg); }
.nav-links a.active::after { width: 100%; }

/* ── Theme Toggle ── */
.theme-toggle {
  position: fixed;
  top: 50%;
  right: 2rem;
  transform: translateY(-50%);
  z-index: 500;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.toggle-track {
  width: 36px;
  height: 70px;
  background: var(--toggle-bg);
  border-radius: 18px;
  position: relative;
  cursor: pointer;
  border: 1px solid var(--border-md);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
  overflow: hidden;
}

.toggle-pill {
  position: absolute;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--pill-bg);
  left: 5px;
  top: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  color: var(--pill-fg);
  font-family: 'Courier Prime', monospace;
  font-weight: bold;
  letter-spacing: -0.05em;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

[data-theme="petal"] .toggle-pill {
  transform: translateY(36px);
}

.theme-badge {
  font-family: 'Courier Prime', monospace;
  font-size: 0.48rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-mid);
  text-align: center;
  transition: color var(--dur) var(--ease);
  line-height: 1.6;
}

/* ── Page Header ── */
.page-hero {
  padding: 10rem 3rem 4rem;
  border-bottom: 1px solid var(--border);
  transition: border-color var(--dur) var(--ease);
}

.page-eyebrow {
  font-family: 'Courier Prime', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--fg-mid);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: color var(--dur) var(--ease);
}

.page-eyebrow::before {
  content: '';
  display: inline-block;
  width: 2rem;
  height: 1px;
  background: var(--fg-mid);
  transition: background var(--dur) var(--ease);
}

.page-title {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.page-title em {
  font-style: italic;
  color: var(--fg-light);
  transition: color var(--dur) var(--ease);
}

.page-desc {
  max-width: 480px;
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--fg-light);
  transition: color var(--dur) var(--ease);
}

/* ── Section ── */
.section {
  padding: 5rem 3rem;
  border-bottom: 1px solid var(--border);
  transition: border-color var(--dur) var(--ease);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 3rem;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 300;
  letter-spacing: -0.02em;
}

.section-count {
  font-family: 'Courier Prime', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--fg-mid);
  text-transform: uppercase;
  transition: color var(--dur) var(--ease);
}

/* ── Basic info list ── */
.info-list {
  max-width: 720px;
  border-top: 1px solid var(--border);
  transition: border-color var(--dur) var(--ease);
}

.info-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  transition: border-color var(--dur) var(--ease);
}

.info-row dt {
  font-family: 'Courier Prime', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-mid);
  transition: color var(--dur) var(--ease);
}

.info-row dd {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--fg-light);
  transition: color var(--dur) var(--ease);
}

.info-row dd.info-sans {
  font-family: 'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 400;
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.info-row dd a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--border-md);
}

.info-pending {
  font-style: italic;
  color: var(--fg-mid);
}

/* ── Business list ── */
.business-list {
  list-style: none;
  max-width: 720px;
}

.business-list li {
  font-size: 1.2rem;
  line-height: 1.9;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  color: var(--fg-light);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.business-list li::before {
  content: '';
  font-family: 'Courier Prime', monospace;
  counter-increment: biz;
  font-size: 0.65rem;
  color: var(--fg-mid);
  letter-spacing: 0.1em;
}

.business-list { counter-reset: biz; }
.business-list li::before { content: counter(biz, decimal-leading-zero); }

/* ── Profile ── */
.profile-content {
  max-width: 720px;
}

.profile-content p {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--fg-light);
  margin-bottom: 2rem;
  transition: color var(--dur) var(--ease);
}

.profile-content p:last-child { margin-bottom: 0; }

.profile-content strong {
  font-family: 'Courier Prime', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: normal;
  color: var(--fg-mid);
  display: block;
  margin-bottom: 0.75rem;
}

/* ── Footer ── */
footer {
  padding: 3rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem 2rem;
}

.footer-logo {
  font-family: 'Courier Prime', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.4;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
}

.footer-links a {
  font-family: 'Courier Prime', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-mid);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover { color: var(--fg); }

.footer-copy {
  font-family: 'Courier Prime', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--fg-mid);
  transition: color var(--dur) var(--ease);
}