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

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --text-primary: #e8e8ed;
  --text-secondary: #8b8b9e;
  --accent: #6c63ff;
  --accent-glow: rgba(108, 99, 255, 0.3);
  --gradient-1: linear-gradient(135deg, #6c63ff, #e863ff);
  --gradient-2: linear-gradient(135deg, #63ffd4, #6c63ff);
  --border-color: rgba(255, 255, 255, 0.06);
  --radius: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: "Inter", "Noto Sans JP", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.8;
  overflow-x: hidden;
}

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

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

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 3px;
}

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

.section {
  padding: 100px 0;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 12px;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 48px;
}

/* ===== Background Glow Orbs ===== */
body::before,
body::after {
  content: "";
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}
body::before {
  width: 600px;
  height: 600px;
  background: #6c63ff;
  top: -200px;
  right: -150px;
}
body::after {
  width: 500px;
  height: 500px;
  background: #e863ff;
  bottom: -150px;
  left: -100px;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
  backdrop-filter: blur(0px);
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 0;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.3rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-1);
  transition: var(--transition);
}

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
  border-radius: 2px;
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-greeting {
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.hero-name {
  font-size: clamp(2.5rem, 7vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 8px;
}

.hero-title {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: 24px;
}

.hero-title span {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  max-width: 500px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  font-size: 0.95rem;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: var(--gradient-1);
  color: #fff;
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

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

.btn-outline:hover {
  border-color: var(--accent);
  background: rgba(108, 99, 255, 0.05);
  transform: translateY(-2px);
}

/* Hero floating shapes */
.hero-shapes {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  width: 380px;
  height: 380px;
  z-index: 0;
}

.shape {
  position: absolute;
  border-radius: var(--radius);
  animation: float 6s ease-in-out infinite;
}

.shape-1 {
  width: 200px;
  height: 200px;
  background: var(--gradient-1);
  opacity: 0.15;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.shape-2 {
  width: 140px;
  height: 140px;
  background: var(--gradient-2);
  opacity: 0.12;
  top: 5%;
  right: 10%;
  animation-delay: -2s;
}

.shape-3 {
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, #ff6b9d, #ffa751);
  opacity: 0.1;
  bottom: 10%;
  left: 25%;
  animation-delay: -4s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  33% {
    transform: translateY(-20px) rotate(5deg);
  }
  66% {
    transform: translateY(10px) rotate(-3deg);
  }
}

/* ===== About Section ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image {
  width: 100%;
  aspect-ratio: 4/5;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image-placeholder {
  font-size: 4rem;
  opacity: 0.3;
}

/* ===== About Section ===== */
.profile-image-container {
  width: 100%; /* コンテナの幅を親要素に合わせる */
  height: auto; /* 高さを自動に設定 */
  overflow: hidden; /* 画像がコンテナからはみ出ないようにする */
  border-radius: var(--radius); /* コーナーを丸くする半径 */
}

.profile-image {
  width: 100%; /* 画像の幅をコンテナに合わせる */
  height: auto; /* 画像の高さを自動に設定 */
  object-fit: contain; /* 画像がコンテナ全体に収まるようにクリッピングされるようにする */
}

@media (max-width: 900px) {
  .about-image-wrapper {
    max-width: 100%; /* モバイルデバイスでの最大幅を親要素に合わせる */
    margin: 0 auto;
  }
}

.about-image-wrapper::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: var(--radius);
  background: none(--gradient-1);
  z-index: -1;
  opacity: 0.3;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.stat-item {
  text-align: center;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: var(--transition);
}

.stat-item:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ===== Skills Section ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.skill-card {
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.skill-card:hover {
  border-color: rgba(108, 99, 255, 0.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.skill-card:hover::before {
  transform: scaleX(1);
}

.skill-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(108, 99, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.skill-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.skill-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.7;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.skill-tag {
  font-size: 0.7rem;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(108, 99, 255, 0.08);
  color: var(--accent);
  border: 1px solid rgba(108, 99, 255, 0.15);
}

/* ===== Craftperience Section ===== */
.craftperience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.craftperience-card {
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.craftperience-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.craftperience-card:hover {
  border-color: rgba(108, 99, 255, 0.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.craftperience-card:hover::before {
  transform: scaleX(1);
}

.craftperience-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(108, 99, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.craftperience-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.craftperience-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.7;
}

.craftperience-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.craftperience-tag {
  font-size: 0.7rem;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(108, 99, 255, 0.08);
  color: var(--accent);
  border: 1px solid rgba(108, 99, 255, 0.15);
}

/* ===== Works Section ===== */
.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.work-card {
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  /* --- 追加: カード要素全体を Flexbox にして垂直中央揃えに対応 --- */
  display: flex;
  align-items: center;
}

.work-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.work-card:hover {
  border-color: rgba(108, 99, 255, 0.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.work-card:hover::before {
  transform: scaleX(1);
}

.work-link {
  display: flex;
  align-items: center; /* 画像とテキストを上下中央揃え */
  gap: 32px;
  margin-top: 0; /* 不要な余白をリセット（元の margin-top: 48px を削除/修正） */
  width: 100%;
  text-decoration: none;
  color: inherit;
}

.work-image {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: var(--radius);
  transition: transform 0.3s ease;
  display: block; /* 画像自体の隙間を防止 */
}

/* スマホ表示時（画面幅が狭い時）の調整 */
@media (max-width: 768px) {
  .work-link {
    flex-direction: column; /* 画面が狭いときは縦並びに切り替え */
    align-items: center;
    text-align: center;
  }

  .work-image {
    max-width: 100%;
  }
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
  .work-image {
    max-width: 768px; /* タブレット用の最大幅 */
  }
}

@media (max-width: 360px) {
  .work-image {
    max-width: 360px; /* モバイル用の最大幅 */
  }
}

/* ===== Contact Section ===== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 0.95rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-link-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: var(--transition);
}

.contact-link-item:hover {
  border-color: var(--accent);
  transform: translateX(6px);
}

.contact-link-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(108, 99, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.contact-link-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.contact-link-value {
  font-weight: 600;
  color: var(--text-primary);
}

/* ===== Footer ===== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ===== Animations (scroll reveal) ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-shapes {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-image-wrapper {
    max-width: 320px;
    margin: 0 auto;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 650px) {
  .section {
    padding: 70px 0;
  }

  .nav-links {
    display: none;
  }
  .hamburger {
    display: flex;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border-color);
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .stat-item {
    padding: 14px 8px;
  }
  .stat-number {
    font-size: 1.4rem;
  }

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

  .hero-buttons {
    flex-direction: column;
  }
  .btn {
    justify-content: center;
  }
}