@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap');

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

:root {
  --color-bg: #FFFBF0;
  --color-surface: #ffffff;
  --color-text: #1a1a2e;
  --color-text-muted: #6b6b8f;
  --color-pink: #FF6B9D;
  --color-blue: #45B7D1;
  --color-yellow: #FFE66D;
  --color-green: #6BCB77;
  --color-purple: #C77DFF;
  --color-coral: #FF6B6B;
  --color-accent: #FF6B9D;
  --color-accent-light: #FFE8F3;
  --color-border: #ede8ff;
  --font-sans: 'Poppins', 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  --radius: 16px;
  --max-width: 860px;
  --transition: 0.2s ease;
}

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== Nav ===== */
.nav {
  position: sticky;
  top: 0;
  background: rgba(255, 251, 240, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--color-border);
  z-index: 100;
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-size: 1.1rem;
  font-weight: 800;
  text-decoration: none;
  background: linear-gradient(90deg, var(--color-pink), var(--color-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.02em;
}

.nav__links {
  list-style: none;
  display: flex;
  gap: 8px;
}

.nav__links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  transition: all var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
  background: linear-gradient(135deg, var(--color-pink), var(--color-purple));
  color: #fff;
}

/* ===== Main ===== */
main {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 64px 24px;
}

/* ===== Hero ===== */
.hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
  margin-bottom: 88px;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero__title span {
  background: linear-gradient(135deg, var(--color-pink) 0%, var(--color-purple) 60%, var(--color-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  margin-top: 12px;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.hero__description {
  margin-top: 20px;
  font-size: 1.02rem;
  max-width: 480px;
  line-height: 1.8;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--color-pink), var(--color-purple));
  color: #fff;
  text-decoration: none;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(255, 107, 157, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
}

.hero__cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255, 107, 157, 0.5);
}

.hero__image img {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #fff;
  outline: 4px solid transparent;
  box-shadow:
    0 0 0 4px var(--color-pink),
    0 0 0 8px var(--color-yellow),
    0 0 0 12px var(--color-blue),
    0 16px 40px rgba(199, 125, 255, 0.25);
}

/* ===== Section ===== */
.section {
  margin-bottom: 80px;
}

.section__title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section__title::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 1.4em;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--color-pink), var(--color-purple));
  flex-shrink: 0;
}

/* ===== Profile Cards ===== */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.info-card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.info-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
}

.info-card:nth-child(1)::before { background: var(--color-pink); }
.info-card:nth-child(2)::before { background: var(--color-blue); }
.info-card:nth-child(3)::before { background: var(--color-green); }
.info-card:nth-child(4)::before { background: var(--color-purple); }

.info-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(199, 125, 255, 0.15);
}

.info-card__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 6px;
  font-weight: 600;
}

.info-card__value {
  font-size: 1rem;
  font-weight: 700;
}

/* ===== Skill Tags ===== */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.tag {
  padding: 7px 16px;
  border-radius: 100px;
  font-size: 0.84rem;
  font-weight: 600;
  transition: transform var(--transition);
  cursor: default;
}

.tag:hover { transform: translateY(-2px) scale(1.04); }

.tag:nth-child(5n+1) { background: #FFE8F3; color: #d63384; }
.tag:nth-child(5n+2) { background: #E0F4FF; color: #0077aa; }
.tag:nth-child(5n+3) { background: #FFF5CC; color: #996600; }
.tag:nth-child(5n+4) { background: #E8FFE8; color: #2d8a2d; }
.tag:nth-child(5n+5) { background: #EFE0FF; color: #7b2fbe; }

/* ===== Works Grid ===== */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.work-card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.work-card:hover {
  transform: translateY(-6px) rotate(-0.5deg);
  box-shadow: 0 16px 40px rgba(199, 125, 255, 0.2);
}

.work-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.work-card__body {
  padding: 20px;
}

.work-card__category {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 10px;
}

.work-card:nth-child(6n+1) .work-card__category { background: #FFE8F3; color: #d63384; }
.work-card:nth-child(6n+2) .work-card__category { background: #EFE0FF; color: #7b2fbe; }
.work-card:nth-child(6n+3) .work-card__category { background: #FFF5CC; color: #996600; }
.work-card:nth-child(6n+4) .work-card__category { background: #E8FFE8; color: #2d8a2d; }
.work-card:nth-child(6n+5) .work-card__category { background: #E0F4FF; color: #0077aa; }
.work-card:nth-child(6n+6) .work-card__category { background: #FFE8E8; color: #cc2200; }

.work-card__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.work-card__desc {
  font-size: 0.86rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== Hobbies ===== */
.hobby-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.hobby-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px;
  transition: transform var(--transition);
}

.hobby-item:hover { transform: translateY(-3px); }

.hobby-item:nth-child(1) { border-color: #FFD6E8; }
.hobby-item:nth-child(2) { border-color: #C8EEFF; }
.hobby-item:nth-child(3) { border-color: #FFF0A0; }
.hobby-item:nth-child(4) { border-color: #C8F5C8; }

.hobby-item__icon {
  font-size: 1.8rem;
  line-height: 1;
}

.hobby-item__name {
  font-weight: 700;
  font-size: 0.95rem;
}

.hobby-item__note {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ===== Contact ===== */
.contact-card {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
  max-width: 520px;
}

.contact-card > p {
  color: var(--color-text-muted);
  margin-bottom: 28px;
  font-size: 0.95rem;
}

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

.contact-list li {
  display: flex;
  align-items: center;
  gap: 14px;
}

.contact-list__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-list li:nth-child(1) .contact-list__icon { background: #FFE8F3; }
.contact-list li:nth-child(2) .contact-list__icon { background: #EFE0FF; }
.contact-list li:nth-child(3) .contact-list__icon { background: #E0F4FF; }
.contact-list li:nth-child(4) .contact-list__icon { background: #E8FFE8; }

.contact-list__label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-list__value {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
}

.contact-list a {
  color: var(--color-pink);
  text-decoration: none;
  font-weight: 700;
}

.contact-list a:hover {
  text-decoration: underline;
}

.contact-note {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 2px dashed var(--color-border);
  font-size: 0.83rem;
  color: var(--color-text-muted);
}

/* ===== Footer ===== */
.footer {
  text-align: center;
  padding: 28px 24px;
  background: linear-gradient(135deg, #fff0f8, #f0e8ff, #e8f4ff);
  border-top: 2px solid var(--color-border);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hero__image {
    order: -1;
  }

  .hero__image img {
    width: 130px;
    height: 130px;
  }
}