/* Google Fonts の読み込み（しっぽり明朝 & Playfair Display） */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400..900;1,400..900&family=Shippori+Mincho:wght@400;500;600;700;800&display=swap');

/* 和風・レトロモダンのデザインシステム */
:root {
  --bg-primary: #faf6f0;           /* 温かみのある和紙のような生成り色 */
  --bg-secondary: #ffffff;
  --text-primary: #2c2421;         /* 墨色（温かみのある黒） */
  --text-secondary: #5c504a;       /* 焦茶色 */
  --text-muted: #9e9087;           /* 灰汁色・薄グレージュ */
  --color-primary: #b23a22;        /* 茜色（深みのある朱赤） */
  --color-primary-light: #fbeee9;
  --color-secondary: #3f5945;      /* 苔色（渋みのある緑） */
  --color-secondary-light: #eff3f0;
  --color-accent: #c49a45;         /* 黄金色（落ち着いたイエローゴールド） */
  --color-accent-light: #faf5e6;
  --border-color: #dccfbf;         /* 木枠のような落ち着いた薄茶 */
  --shadow-sm: 0 2px 8px rgba(44, 36, 33, 0.04);
  --shadow-md: 0 12px 30px rgba(44, 36, 33, 0.06);
  --shadow-lg: 0 20px 40px rgba(44, 36, 33, 0.08);
  --font-main: 'Shippori Mincho', "Yu Mincho", "MS Mincho", serif;
  --font-display: 'Playfair Display', serif;
  --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.8;
  overflow-x: hidden;
  letter-spacing: 0.05em; /* 縦書きや明朝体に合う広い文字間隔 */
}

/* スクロールバーのカスタマイズ */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 0px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* コンテナ */
.container {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ヘッダー/ナビゲーション（古風な和モダン仕立て） */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(250, 246, 240, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 1px;
  position: relative;
}

.logo::after {
  content: '印';
  font-family: var(--font-main);
  font-size: 0.65rem;
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 2px 4px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
  display: inline-block;
  font-weight: bold;
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  position: relative;
  padding: 6px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 1px;
  background-color: var(--color-primary);
  transition: var(--transition-smooth);
  transform: translateX(-50%);
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

/* ヒーローセクション */
.hero {
  padding: 180px 0 120px 0;
  min-height: 95vh;
  display: flex;
  align-items: center;
  position: relative;
  background: radial-gradient(circle at 80% 20%, rgba(220, 207, 191, 0.2) 0%, rgba(255, 255, 255, 0) 70%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 80px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.badge {
  display: inline-block;
  padding: 4px 16px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid rgba(178, 58, 34, 0.2);
  font-weight: 600;
  font-size: 0.8rem;
  margin-bottom: 24px;
  letter-spacing: 0.1em;
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 28px;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.hero-title span {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 4px;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 44px;
  max-width: 580px;
  line-height: 1.9;
  text-align: justify;
}

.cta-group {
  display: flex;
  gap: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-smooth);
  cursor: pointer;
  border-radius: 0px; /* 角丸を廃止し、シャープな古風デザインに */
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border: 1px solid var(--color-primary);
}

.btn-primary:hover {
  background-color: #922b16;
  border-color: #922b16;
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

/* アバター・古風な丸窓デザイン */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.avatar-wrapper {
  position: relative;
  width: 280px;
  height: 280px;
  border-radius: 50%; /* 正円の丸窓 */
  background: var(--bg-secondary);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid var(--border-color);
  padding: 8px;
}

.avatar-wrapper::before {
  content: '';
  position: absolute;
  top: 4px;
  left: 4px;
  right: 4px;
  bottom: 4px;
  border: 1px dashed var(--border-color);
  border-radius: 50%;
  pointer-events: none;
}

.avatar-image {
  width: calc(100% - 16px);
  height: calc(100% - 16px);
  border-radius: 50%;
  object-fit: cover;
  display: none;
}

/* 和風落款・家紋風プレースホルダー */
.avatar-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  text-align: center;
  width: 100%;
  height: 100%;
}

.avatar-placeholder svg {
  width: 70px;
  height: 70px;
  margin-bottom: 8px;
  opacity: 0.85;
}

.avatar-placeholder span {
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 2px;
  border: 2px solid var(--color-primary);
  padding: 4px 12px;
  line-height: 1;
  background-color: var(--color-primary-light);
}

/* セクション共通 */
section {
  padding: 120px 0;
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
  position: relative;
}

.section-tag {
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text-primary);
  position: relative;
  display: inline-block;
  padding-bottom: 16px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 1px;
  background-color: var(--color-primary);
}

/* 自己紹介セクション */
.about {
  background-color: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
  line-height: 1.6;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  text-align: justify;
}

.profile-info {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  border-left: 2px solid var(--border-color);
  padding-left: 24px;
}

.info-item {
  background-color: transparent;
  padding: 8px 0;
  border-radius: 0px;
  border: none;
}

.info-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.info-value {
  font-size: 1.05rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* スキルセクション */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
}

.skill-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0px; /* 角丸をなくしてクラシックに */
  padding: 40px 32px;
  transition: var(--transition-smooth);
  box-shadow: none;
  position: relative;
}

.skill-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.skill-icon {
  width: 48px;
  height: 48px;
  border-radius: 0;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  border: 1px solid rgba(178, 58, 34, 0.2);
}

.skill-icon-cyan {
  background-color: var(--color-secondary-light);
  color: var(--color-secondary);
  border-color: rgba(63, 89, 69, 0.2);
}

.skill-icon-rose {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  border-color: rgba(196, 154, 69, 0.2);
}

.skill-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

.skill-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.skill-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.skill-level-bar {
  width: 90px;
  height: 2px; /* 細いシンプルな線へ */
  background-color: var(--border-color);
  border-radius: 0px;
  overflow: hidden;
  position: relative;
}

.skill-level-fill {
  height: 100%;
  background-color: var(--color-primary);
  border-radius: 0px;
}

/* ポートフォリオセクション */
.portfolio {
  background-color: var(--bg-secondary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.portfolio-card {
  background-color: var(--bg-primary);
  border-radius: 0px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-primary);
}

.portfolio-img-wrapper {
  height: 180px;
  background-color: #efeae2;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.portfolio-img-placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.portfolio-img-placeholder svg {
  width: 40px;
  height: 40px;
}

.portfolio-img-placeholder span {
  font-size: 0.85rem;
  letter-spacing: 1px;
}

.portfolio-content {
  padding: 28px;
}

.portfolio-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.portfolio-tag {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 2px 8px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.portfolio-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.portfolio-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.7;
  text-align: justify;
}

.portfolio-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-smooth);
  border-bottom: 1px solid transparent;
}

.portfolio-link:hover {
  border-color: var(--color-primary);
}

.portfolio-link svg {
  width: 14px;
  height: 14px;
}

/* コンタクトセクション */
.contact {
  background-color: var(--bg-primary);
  border-bottom: none;
}

.contact-container {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--bg-secondary);
  border-radius: 0px;
  border: 1px solid var(--border-color);
  padding: 48px;
  box-shadow: none;
}

.contact-intro {
  text-align: center;
  margin-bottom: 40px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.form-control {
  padding: 12px 16px;
  border-radius: 0px; /* 角丸廃止 */
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: #ffffff;
}

/* フッター */
footer {
  background-color: #2c2421; /* シックな墨色のフッター */
  border-top: none;
  padding: 60px 0;
  text-align: center;
  color: #efeae2;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #efeae2;
  text-decoration: none;
  margin-bottom: 20px;
  display: inline-block;
  letter-spacing: 1px;
}

.footer-socials {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 28px;
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: 0;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #efeae2;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.social-link:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  transform: translateY(-2px);
}

.footer-copy {
  font-size: 0.8rem;
  color: #9e9087;
  letter-spacing: 1px;
}

/* レスポンシブ設計 */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.75rem;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero-content {
    align-items: center;
  }
  .hero-desc {
    text-align: center;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2rem;
  }
  .cta-group {
    flex-direction: column;
    width: 100%;
  }
  .btn {
    width: 100%;
  }
  .contact-container {
    padding: 32px 24px;
  }
}