/* ===========================
   TOKEI LAB — style.css
   =========================== */

/* ---------- リセット & ベース ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --gold:       #c9a84c;
  --gold-light: #e8d08a;
  --dark:       #111111;
  --dark-2:     #1c1c1c;
  --dark-3:     #2a2a2a;
  --mid:        #555555;
  --light:      #f5f3ef;
  --white:      #ffffff;
  --font-serif: 'Cormorant Garamond', 'Noto Serif JP', serif;
  --font-sans:  'Noto Sans JP', sans-serif;
  --transition: 0.3s ease;
  --shadow:     0 4px 24px rgba(0,0,0,0.12);
  --radius:     4px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--dark);
  background: var(--white);
  line-height: 1.8;
  font-size: 15px;
}

img { display: block; width: 100%; height: auto; object-fit: cover; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- ナビゲーション ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(17,17,17,0.96);
  box-shadow: 0 2px 16px rgba(0,0,0,0.3);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 24px;
}

.logo {
  display: flex;
  align-items: center;
  line-height: 1;
}
.logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  display: block;
}

.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav-links a {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--gold); }

.nav-cta {
  border: 1px solid var(--gold) !important;
  padding: 8px 20px;
  color: var(--gold) !important;
  transition: background var(--transition), color var(--transition) !important;
}
.nav-cta:hover {
  background: var(--gold) !important;
  color: var(--dark) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--white);
  transition: var(--transition);
}

/* ---------- ヒーロー ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--white);
}

.hero-bg {
  position: absolute;
  inset: 0;
}
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* 画像未設定時のフォールバック */
.hero-img[src="images/hero-bg.jpg"]:not([complete]),
.hero-img:not([src]) {
  background: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
}
.hero-img {
  position: relative;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.5) 0%,
    rgba(0,0,0,0.3) 50%,
    rgba(0,0,0,0.7) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
}

.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-title span { display: block; }

.hero-sub {
  font-size: 14px;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.75);
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 13px;
  letter-spacing: 0.1em;
  font-family: var(--font-sans);
  font-weight: 400;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: var(--gold);
  color: var(--dark);
}
.btn-primary:hover {
  background: var(--gold-light);
}
.btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.6);
  color: var(--white);
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.btn-full { width: 100%; text-align: center; }

/* スクロールインジケーター */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
}
.scroll-line {
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.5));
  animation: scrollLine 1.8s ease-in-out infinite;
}
.scroll-text { font-size: 10px; letter-spacing: 0.25em; }
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* ---------- タグライン帯 ---------- */
.tagline-band {
  background: var(--dark);
  padding: 64px 0;
  text-align: center;
}
.tagline {
  font-family: var(--font-serif);
  font-size: clamp(20px, 3vw, 30px);
  color: var(--white);
  line-height: 1.8;
  letter-spacing: 0.05em;
}
.tagline small {
  display: block;
  font-family: var(--font-sans);
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.1em;
  margin-top: 12px;
}

/* ---------- セクション共通 ---------- */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header--left { text-align: left; }
.section-header--light .section-title,
.section-header--light .section-desc { color: var(--white); }
.section-header--light .section-label { color: var(--gold); }

.section-label {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 12px;
  display: block;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 14px;
  color: var(--mid);
  line-height: 1.9;
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- 料金メニュー ---------- */
.services {
  padding: 100px 0;
  background: var(--light);
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.price-card--wide {
  grid-column: 1 / -1;
}

.price-card {
  background: var(--white);
  padding: 36px 32px;
  border: 1px solid rgba(0,0,0,0.07);
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
}
.price-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.price-card--featured {
  background: var(--dark);
  color: var(--white);
  border-color: var(--gold);
}
.price-card--featured .price-name,
.price-card--featured .price-amount { color: var(--white); }
.price-card--featured .price-desc { color: rgba(255,255,255,0.65); }
.price-card--featured .price-from { color: var(--gold); }

.price-badge {
  position: absolute;
  top: -1px; right: 24px;
  background: var(--gold);
  color: var(--dark);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 4px 14px;
}

.price-icon {
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 4px;
  margin-bottom: 16px;
}

.price-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
}
.price-sub {
  font-size: 14px;
  font-weight: 400;
  margin-left: 4px;
}

.price-desc {
  font-size: 13px;
  color: var(--mid);
  line-height: 1.8;
  margin-bottom: 20px;
}

.price-amount {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 600;
  color: var(--dark);
  display: flex;
  align-items: baseline;
  gap: 4px;
  flex-wrap: nowrap;
}
.price-from {
  font-size: 16px;
  font-weight: 400;
  margin-left: 2px;
  color: var(--mid);
}

.price-tax {
  font-size: 12px;
  font-weight: 400;
  font-family: var(--font-sans);
  color: var(--mid);
  margin-left: 2px;
  vertical-align: middle;
}
.price-card--featured .price-tax {
  color: rgba(255,255,255,0.5);
}
.price-note {
  font-size: 12px;
  color: var(--mid);
  margin-top: 6px;
}

.price-disclaimer {
  text-align: center;
  font-size: 12px;
  color: var(--mid);
  margin-top: 40px;
}

/* ---------- ビフォーアフター ---------- */
.before-after {
  padding: 100px 0;
  background: var(--dark-2);
}

.ba-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.ba-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ba-images {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ba-image-wrap {
  position: relative;
  flex: 1;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--dark-3);
}
.ba-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.ba-image-wrap:hover img { transform: scale(1.04); }

.ba-label {
  position: absolute;
  bottom: 8px; left: 8px;
  font-size: 10px;
  letter-spacing: 0.15em;
  font-weight: 500;
  padding: 3px 8px;
}
.ba-label--before { background: rgba(0,0,0,0.7); color: var(--white); }
.ba-label--after  { background: var(--gold); color: var(--dark); }

.ba-arrow {
  color: var(--gold);
  font-size: 18px;
  flex-shrink: 0;
}

.ba-caption {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  text-align: center;
  letter-spacing: 0.05em;
}

.ba-placeholder-note {
  margin-top: 48px;
  padding: 20px;
  border: 1px dashed rgba(255,255,255,0.2);
  text-align: center;
  border-radius: var(--radius);
}
.ba-placeholder-note p {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}
.ba-placeholder-note code {
  font-family: monospace;
  background: rgba(255,255,255,0.1);
  padding: 2px 6px;
  border-radius: 3px;
}

/* ---------- 特徴 ---------- */
.features {
  padding: 80px 0;
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.feature-item { color: var(--white); }

.feature-num {
  font-family: var(--font-serif);
  font-size: 36px;
  color: var(--gold);
  opacity: 0.5;
  margin-bottom: 12px;
  line-height: 1;
}

.feature-item h3 {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.feature-item p {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
}

/* ---------- 会社概要 ---------- */
.about {
  padding: 100px 0;
  background: var(--white);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-img {
  aspect-ratio: 4/3;
  object-fit: cover;
  background: var(--light);
}

.about-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin-top: 8px;
}
.about-table tr {
  border-bottom: 1px solid rgba(0,0,0,0.08);
}
.about-table th,
.about-table td {
  padding: 14px 0;
  vertical-align: top;
  text-align: left;
}
.about-table th {
  width: 110px;
  color: var(--mid);
  font-weight: 400;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.about-table td { color: var(--dark); line-height: 1.8; }
.about-table small { font-size: 11px; color: var(--mid); }

/* ---------- お問い合わせ ---------- */
.contact {
  padding: 100px 0;
  background: var(--dark-2);
}

.contact-form {
  max-width: 680px;
  margin: 0 auto;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.05em;
}

.req {
  font-size: 11px;
  color: var(--gold);
  margin-left: 6px;
  letter-spacing: 0;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--white);
  padding: 12px 16px;
  font-size: 14px;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition);
  border-radius: var(--radius);
  appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.3); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
}
.form-group select option { background: var(--dark-2); color: var(--white); }
.form-group textarea { resize: vertical; min-height: 120px; }

.contact-note {
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  margin-top: 20px;
}

/* ---------- フッター ---------- */
.site-footer {
  background: var(--dark);
  padding: 64px 0 32px;
  color: rgba(255,255,255,0.55);
  border-top: 1px solid rgba(201,168,76,0.2);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
  align-items: start;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--gold);
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}
.footer-tagline {
  font-size: 12px;
  letter-spacing: 0.08em;
}

.footer-info p {
  font-size: 13px;
  line-height: 1.9;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}
.footer-nav a {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
  letter-spacing: 0.05em;
}
.footer-nav a:hover { color: var(--gold); }

.footer-copy {
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.08em;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 900px) {
  .price-grid { grid-template-columns: 1fr; }
  .price-card--wide { grid-column: auto; }
  .ba-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-nav { align-items: flex-start; }
}

@media (max-width: 640px) {
  .nav-links { display: none; flex-direction: column; }
  .nav-links.is-open {
    display: flex;
    position: fixed;
    inset: 0;
    background: var(--dark);
    justify-content: center;
    align-items: center;
    gap: 32px;
    z-index: 99;
  }
  .nav-links.is-open a { font-size: 18px; }
  .nav-toggle { display: flex; z-index: 101; }
  .nav-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  .form-row { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 48px; }
  .ba-images { gap: 6px; }
}

/* ---------- フェードインアニメーション ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}