/* =============================================
   W014 バナーポートフォリオ
   カラー: #FDFBF7 / #4A3F35 / #8A9A86 / #D4C4A8
============================================= */

:root {
  --color-base: #FDFBF7;
  --color-text: #4A3F35;
  --color-accent: #8A9A86;
  --color-accent-light: #eef1ed;
  --color-warm: #D4C4A8;
  --color-border: #e4ddd3;
  --color-bg-section: #f5f0e8;
  --font-serif: 'Noto Serif JP', 'ヒラギノ明朝 ProN', 'Yu Mincho', serif;
  --font-sans: 'Noto Sans JP', 'ヒラギノ角ゴ ProN', 'Yu Gothic', sans-serif;
  --max-width: 1100px;
  --header-h: 70px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--color-base);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; }

.section-title {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  text-align: center;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}
.section-sub {
  text-align: center;
  color: var(--color-accent);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
section { padding: 80px 0; }

.botanical {
  position: absolute;
  pointer-events: none;
  opacity: 0.45;
}

/* ----- Header ----- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(253, 251, 247, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.site-logo {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: 0.05em;
}
.site-logo span { color: var(--color-accent); }
.nav-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.nav-menu a {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  position: relative;
  padding-bottom: 2px;
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width 0.3s;
}
.nav-menu a:hover::after { width: 100%; }

/* ----- Hero ----- */
.hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-bg-section);
  padding-top: var(--header-h);
}
.hero-inner {
  position: relative;
  z-index: 2;
  padding: 60px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}
.hero-tag {
  display: inline-block;
  color: var(--color-accent);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 4px;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.4;
  margin-bottom: 1.2rem;
  letter-spacing: 0.04em;
}
.hero-title em {
  font-style: normal;
  color: var(--color-accent);
}
.hero-desc {
  font-size: 1rem;
  color: #6a5f55;
  max-width: 480px;
  line-height: 1.9;
}
.hero-leaf {
  top: 20px; right: 40px;
  width: 160px;
}
@media (max-width: 640px) {
  .hero-leaf { display: none; }
}

/* ----- Gallery ----- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2.4rem;
}

.gallery-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.3s, transform 0.3s;
}
.gallery-card:hover {
  box-shadow: 0 8px 28px rgba(74,63,53,0.10);
  transform: translateY(-3px);
}

/* バナー画像プレビューエリア */
.banner-preview {
  background: #f0ede8;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  padding: 20px;
  position: relative;
  overflow: hidden;
  cursor: zoom-in;
}
.banner-preview:hover::after {
  content: '実寸で見る →';
  position: absolute;
  bottom: 8px;
  right: 10px;
  font-size: 0.72rem;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}
.banner-preview img {
  max-height: 180px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  box-shadow: 0 2px 10px rgba(0,0,0,0.12);
  transition: opacity 0.2s;
}
.banner-preview:hover img {
  opacity: 0.92;
}

.gallery-info {
  padding: 20px;
}
.gallery-tag {
  font-size: 0.78rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.size-badge {
  display: inline-block;
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-size: 0.72rem;
  padding: 1px 8px;
  border-radius: 3px;
  font-family: monospace;
}
.gallery-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}
.gallery-desc {
  font-size: 0.85rem;
  color: #6a5f55;
  line-height: 1.7;
  margin-bottom: 12px;
}
.gallery-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tech-tag {
  font-size: 0.73rem;
  padding: 2px 10px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  color: #7a6f65;
}

/* ----- Filter ----- */
.works-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-bottom: 3rem;
}
.filter-btn {
  padding: 7px 18px;
  border: 1px solid var(--color-accent);
  background: transparent;
  color: var(--color-accent);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.25s;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.3;
}
.filter-btn small {
  font-size: 0.68rem;
  opacity: 0.75;
  margin-top: 1px;
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--color-accent);
  color: #fff;
}

/* ----- About ----- */
.about-bio-block {
  max-width: 680px;
  margin: 0 auto 3.5rem;
  text-align: center;
}
.about-role-label {
  font-size: 0.9rem;
  color: var(--color-accent);
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}
.about-bio-text {
  font-size: 0.95rem;
  color: #6a5f55;
  line-height: 2;
  margin-bottom: 0.6rem;
}
.about-bio-text:last-of-type {
  margin-bottom: 0;
}
.about-block { margin-bottom: 4rem; }
.about-block-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--color-text);
  margin: 0.4rem 0 2rem;
}

/* タイムライン */
.timeline-wrap { max-width: 680px; margin: 0 auto 60px; }
.timeline { position: relative; padding-left: 100px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 74px; top: 10px; bottom: 10px;
  width: 2px;
  background: var(--color-border);
}
.tl-item { position: relative; margin-bottom: 36px; }
.tl-year {
  position: absolute;
  left: -100px;
  width: 66px;
  text-align: right;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent);
  padding-top: 3px;
  letter-spacing: .03em;
}
.tl-dot {
  position: absolute;
  left: -20px;
  top: 7px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-base);
  box-shadow: 0 0 0 2px var(--color-accent);
}
.tl-current .tl-dot {
  width: 14px; height: 14px;
  left: -22px; top: 5px;
  background: var(--color-text);
  box-shadow: 0 0 0 2px var(--color-text);
}
.tl-title { font-size: 1rem; font-weight: 600; font-family: var(--font-serif); margin-bottom: 6px; }
.tl-note { font-size: 0.84rem; color: #6b5e54; line-height: 1.8; margin-top: 4px; }
.tl-list { margin-top: 6px; padding-left: 1.1rem; }
.tl-list li { font-size: 0.84rem; color: #6b5e54; list-style: disc; margin-bottom: 3px; }

/* 強み */
.strengths-wrap { margin-bottom: 3rem; }
.about-sub-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  text-align: center;
  margin-bottom: 2rem;
  letter-spacing: .05em;
}
.strengths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.strength-card {
  background: var(--color-base);
  border-radius: 12px;
  padding: 36px 28px;
  text-align: center;
  border: 1px solid var(--color-border);
}
.strength-icon {
  width: 56px; height: 56px;
  background: var(--color-accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--color-accent);
}
.strength-card h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  margin-bottom: 0.8rem;
  line-height: 1.5;
}
.strength-card p {
  font-size: 0.88rem;
  color: #6b5e54;
  line-height: 1.9;
}

/* スキルセット */
.skills-section { padding: 80px 0; }
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.skill-card {
  background: var(--color-base);
  border-radius: 12px;
  padding: 24px 20px;
  border: 1px solid var(--color-border);
}
.skill-icon { margin-bottom: 12px; color: var(--color-accent); }
.skill-card h3 { font-size: 0.9rem; font-weight: 600; margin-bottom: 10px; font-family: var(--font-serif); }
.skill-card ul { padding-left: 0; }
.skill-card li { font-size: 0.82rem; color: #6b5e54; padding: 4px 0; list-style: none; border-bottom: 1px solid rgba(138,154,134,.2); }
.skill-card li:last-child { border-bottom: none; }

@media (max-width: 900px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .strengths-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .skills-grid { grid-template-columns: 1fr; }
  .strengths-grid { grid-template-columns: 1fr; }
  .timeline { padding-left: 80px; }
  .tl-year { left: -80px; width: 50px; font-size: 0.85rem; }
  .timeline::before { left: 56px; }
  .tl-dot { left: -22px; }
}

/* ----- Footer ----- */
.site-footer {
  background: var(--color-text);
  color: rgba(253,251,247,0.7);
  padding: 40px 0;
  text-align: center;
}
.footer-logo {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: rgba(253,251,247,0.9);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.footer-logo span { color: var(--color-warm); }
.copyright { font-size: 0.78rem; }

/* ----- Responsive ----- */
@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .nav-menu { gap: 1.2rem; }
}
@media (max-width: 480px) {
  .header-inner { padding: 0 16px; }
  .site-logo { font-size: 0.95rem; }
  .nav-menu { gap: 0.8rem; }
  .nav-menu a { font-size: 0.78rem; }
}