/* ========================================
   Google Fonts
======================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;700&display=swap');

/* ========================================
   Reset & Base
======================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  background-color: #fff;
  color: #111;
  line-height: 1.8;
  font-size: 15px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

/* ========================================
   共通レイアウト
======================================== */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 40px;
}

.section-heading {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #111;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 0.875rem;
  color: #666;
  margin-bottom: 48px;
}

/* ========================================
   ボタン
======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border: 1px solid #111;
  color: #111;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: background-color 0.25s, color 0.25s;
  cursor: pointer;
  background: transparent;
  font-family: inherit;
}

.btn:hover {
  background-color: #111;
  color: #fff;
}

.btn-dark {
  background-color: #111;
  color: #fff;
}

.btn-dark:hover {
  background-color: #333;
  color: #fff;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  border-bottom: 1px solid #111;
  padding-bottom: 2px;
  transition: opacity 0.2s;
}

.btn-link:hover { opacity: 0.6; }

/* ========================================
   ナビゲーション
======================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: #fff;
  border-bottom: 1px solid #e8e8e8;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 68px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 40px;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.nav-logo-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.nav-logo-sub {
  font-size: 0.7rem;
  color: #888;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  gap: 40px;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: #555;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: #111;
  border-bottom-color: #111;
}

/* ========================================
   フッター
======================================== */
footer {
  border-top: 1px solid #e8e8e8;
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 40px;
}

.footer-copy {
  font-size: 0.75rem;
  color: #999;
}

.footer-links {
  display: flex;
  gap: 28px;
}

.footer-links a {
  font-size: 0.75rem;
  color: #777;
  transition: color 0.2s;
}

.footer-links a:hover { color: #111; }

/* ========================================
   Home - Hero
======================================== */
.hero {
  padding-top: 68px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 60px 80px 80px;
  width: 100%;
}

.hero-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 0.9rem;
  color: #555;
  line-height: 1.9;
  margin-bottom: 40px;
}

.hero-image {
  background-color: #f0f0f0;
  overflow: hidden;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Home - About Preview */
.home-about {
  padding: 100px 0;
  border-top: 1px solid #e8e8e8;
}

.home-about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.home-about-text .section-heading {
  margin-bottom: 20px;
}

.home-about-text p {
  font-size: 0.9rem;
  color: #444;
  line-height: 2;
  margin-bottom: 16px;
}

.home-about-text .btn-link {
  margin-top: 8px;
}

.home-about-image img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  background-color: #e8e8e8;
}

/* ========================================
   About
======================================== */
.about-page {
  padding: 120px 0 100px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 80px;
  align-items: start;
}

.about-main .section-title {
  margin-bottom: 20px;
}

.about-intro {
  font-size: 0.9rem;
  color: #444;
  line-height: 2;
  margin-bottom: 48px;
}

/* 経歴 */
.about-career h3 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 20px;
  color: #111;
}

.career-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 48px;
}

.career-item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 20px;
  font-size: 0.875rem;
}

.career-year {
  color: #999;
  font-size: 0.8rem;
  padding-top: 2px;
}

.career-desc { color: #444; }

/* 強み */
.about-strengths h3 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 24px;
  color: #111;
}

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

.strength-item {
  padding: 24px;
  border: 1px solid #e8e8e8;
}

.strength-icon {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.strength-item h4 {
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.strength-item p {
  font-size: 0.8rem;
  color: #666;
  line-height: 1.8;
}

/* Tools */
.about-tools h3 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 20px;
  color: #111;
}

.tools-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tool-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid #e0e0e0;
  font-size: 0.8rem;
  color: #444;
}

/* About サイド写真 */
.about-side img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background-color: #e8e8e8;
}

/* ========================================
   Works
======================================== */
.works-page {
  padding: 120px 0 100px;
}

.works-page .section-title {
  margin-bottom: 6px;
}

/* フィルタータブ */
.works-filter {
  display: flex;
  gap: 0;
  margin-bottom: 48px;
  border-bottom: 1px solid #e8e8e8;
}

.filter-btn {
  padding: 10px 24px;
  font-size: 0.8rem;
  font-weight: 500;
  color: #888;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  margin-bottom: -1px;
  font-family: inherit;
}

.filter-btn:hover,
.filter-btn.active {
  color: #111;
  border-bottom-color: #111;
}

/* Works グリッド */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 56px;
}

.work-item {
  cursor: pointer;
}

.work-item[data-hidden="true"] {
  display: none;
}

.work-thumb {
  position: relative;
  overflow: hidden;
  background-color: #f0f0f0;
  margin-bottom: 16px;
}

.work-thumb img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.work-item:hover .work-thumb img {
  transform: scale(1.04);
}

.work-info h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.work-info p {
  font-size: 0.78rem;
  color: #888;
  letter-spacing: 0.05em;
}

.work-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.78rem;
  color: #111;
  border-bottom: 1px solid #111;
  padding-bottom: 1px;
  transition: opacity 0.2s;
}

.work-link:hover { opacity: 0.5; }

.works-more {
  text-align: center;
}

/* ========================================
   Skills
======================================== */
.skills-page {
  padding: 120px 0 100px;
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

/* スキルバー */
.skills-main .section-title { margin-bottom: 8px; }
.skills-main .section-desc { margin-bottom: 40px; }

.skill-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.skill-row {
  display: grid;
  grid-template-columns: 160px 1fr 36px;
  align-items: center;
  gap: 16px;
}

.skill-name {
  font-size: 0.875rem;
  color: #333;
}

.skill-bar {
  height: 3px;
  background-color: #e8e8e8;
  border-radius: 2px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  background-color: #111;
  border-radius: 2px;
  width: 0;
  transition: width 1.2s ease;
}

.skill-pct {
  font-size: 0.78rem;
  color: #999;
  text-align: right;
}

/* その他スキル */
.skills-side .section-desc { margin-bottom: 24px; }

.skills-side h3 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #111;
  margin-bottom: 16px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.skill-tag {
  padding: 6px 14px;
  border: 1px solid #e0e0e0;
  font-size: 0.78rem;
  color: #555;
  border-radius: 2px;
}

.skills-side-image img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  background-color: #e8e8e8;
}

/* ========================================
   Blog
======================================== */
.blog-page {
  padding: 120px 0 100px;
}

.blog-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 56px;
}

.blog-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid #e8e8e8;
  align-items: center;
}

.blog-item:first-child {
  border-top: 1px solid #e8e8e8;
}

.blog-thumb img {
  width: 200px;
  height: 130px;
  object-fit: cover;
  background-color: #e8e8e8;
  transition: opacity 0.3s;
}

.blog-item:hover .blog-thumb img {
  opacity: 0.8;
}

.blog-date {
  font-size: 0.78rem;
  color: #999;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.blog-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  transition: opacity 0.2s;
}

.blog-item:hover .blog-title {
  opacity: 0.6;
}

.blog-excerpt {
  font-size: 0.85rem;
  color: #666;
  line-height: 1.8;
  margin-bottom: 12px;
}

.blog-cat {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: #888;
  border: 1px solid #ddd;
  padding: 2px 10px;
}

.blog-more {
  text-align: center;
}

/* ========================================
   Contact
======================================== */
.contact-page {
  padding: 120px 0 100px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 80px;
  align-items: start;
}

/* フォーム */
.contact-main .section-title { margin-bottom: 6px; }
.contact-main .section-desc { margin-bottom: 40px; }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #555;
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #e0e0e0;
  background: #fafafa;
  font-family: inherit;
  font-size: 0.875rem;
  color: #111;
  outline: none;
  transition: border-color 0.25s, background 0.25s;
  border-radius: 2px;
}

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: #bbb;
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: #111;
  background: #fff;
}

.form-row textarea {
  min-height: 140px;
  resize: vertical;
}

.contact-form .btn-dark {
  align-self: flex-start;
  padding: 14px 40px;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  border: none;
}

/* Contact サイド */
.contact-side {
  padding-top: 16px;
}

.contact-sns {
  margin-bottom: 40px;
}

.contact-sns h3 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #111;
  margin-bottom: 16px;
}

.sns-icons {
  display: flex;
  gap: 16px;
}

.sns-icon {
  width: 40px;
  height: 40px;
  border: 1px solid #e0e0e0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #444;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.sns-icon:hover {
  background: #111;
  color: #fff;
  border-color: #111;
}

.contact-email {
  margin-bottom: 40px;
}

.contact-email h3 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #111;
  margin-bottom: 10px;
}

.contact-email a {
  font-size: 0.9rem;
  color: #333;
  border-bottom: 1px solid #ddd;
  padding-bottom: 2px;
  transition: border-color 0.2s;
}

.contact-email a:hover {
  border-color: #111;
}

.contact-side-image img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  background-color: #e8e8e8;
}

/* ========================================
   レスポンシブ
======================================== */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-content {
    margin: 0;
    padding: 100px 24px 60px;
    max-width: 100%;
  }

  .hero-image {
    height: 340px;
  }

  .home-about-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-side { order: -1; }
  .about-side img { aspect-ratio: 16 / 9; }

  .strengths-grid {
    grid-template-columns: 1fr;
  }

  .works-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .skill-row {
    grid-template-columns: 130px 1fr 36px;
  }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; gap: 16px; }
  .works-grid { grid-template-columns: 1fr; }
  .blog-item { grid-template-columns: 1fr; }
  .blog-thumb img { width: 100%; height: 200px; }
  .section-title { font-size: 1.8rem; }
}

/* ========================================
   ハンバーガーメニュー
======================================== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 200;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #111;
  transition: transform 0.3s, opacity 0.3s;
  transform-origin: center;
}

/* × に変化 */
.hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.is-open span:nth-child(2) {
  opacity: 0;
}
.hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* モバイルメニュー（右から出るドロワー） */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 98;
  background: transparent;
  pointer-events: none;
}

.mobile-nav-overlay.is-open {
  pointer-events: auto;
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 10%;
  width: 90%;
  height: 100%;
  background-color: #fdfbee;
  z-index: 99;
  padding: 100px 32px 40px;
  transform: translateX(100%);
  transition: transform 0.35s ease;
  pointer-events: none;
  overflow-y: auto;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.08);
}

.mobile-nav.is-open {
  transform: translateX(0);
  pointer-events: auto;
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
}

.mobile-nav a {
  display: block;
  padding: 18px 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: #333;
  letter-spacing: 0.08em;
  border-bottom: 1px solid #ede9d0;
  transition: color 0.2s;
}

.mobile-nav a:last-child {
  border-bottom: none;
}

.mobile-nav a:hover,
.mobile-nav a.active {
  color: #111;
}

/* スクロール禁止 */
body.menu-open {
  overflow: hidden;
}

@media (max-width: 640px) {
  .hamburger {
    display: flex;
  }
  .mobile-nav {
    display: block;
  }
  .mobile-nav-overlay {
    display: block;
  }
}