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

:root {
  --color-bg: #ffe4f0;
  --color-surface: #fff0f7;
  --color-primary: #9b6bb5;
  --color-primary-light: #f0e4f8;
  --color-accent: #d46fa0;
  --color-text: #2c2c2c;
  --color-text-muted: #757575;
  --color-border: #e4e4e0;
  --font-sans: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
  --font-serif: 'Hiragino Mincho ProN', 'Noto Serif JP', Georgia, serif;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  font-size: 16px;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.7;
}

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

/* ─── Navigation ─── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0 2rem;
}

.nav__inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.nav__links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav__links a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.03em;
  transition: color 0.2s;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-primary);
  opacity: 1;
}

/* ─── Hero ─── */
.hero {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, #ffe4f0 100%);
  padding: 5rem 2rem;
}

.hero__inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 3rem;
  align-items: center;
}

.hero__greeting {
  font-size: 0.9rem;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.hero__name {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.hero__name span {
  color: var(--color-primary);
}

.hero__tagline {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.hero__cta {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: 0.7rem 1.8rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s, transform 0.2s;
}

.hero__cta:hover {
  background: #7a4e9a;
  opacity: 1;
  transform: translateY(-1px);
}

.hero__photo {
  border-radius: 50%;
  overflow: hidden;
  width: 240px;
  height: 240px;
  box-shadow: var(--shadow);
  margin: 0 auto;
}

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

/* ─── Section ─── */
.section {
  padding: 5rem 2rem;
}

.section--alt {
  background: var(--color-surface);
}

.section__inner {
  max-width: 900px;
  margin: 0 auto;
}

.section__label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.section__title {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 700;
  margin-bottom: 2rem;
  position: relative;
}

.section__title::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--color-accent);
  margin-top: 0.6rem;
}

/* ─── About Grid ─── */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.about__text p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.about__facts {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
}

.fact-item {
  display: flex;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
}

.fact-item:last-child {
  border-bottom: none;
}

.fact-item__label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-primary);
  min-width: 80px;
}

.fact-item__value {
  font-size: 0.9rem;
  color: var(--color-text);
}

/* ─── Skills ─── */
.skills__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-tag {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.4rem 1rem;
  border-radius: 100px;
}

/* ─── Works Grid ─── */
.works__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.work-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.work-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.work-card__img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.work-card__body {
  padding: 1rem 1.2rem;
}

.work-card__tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.3rem;
}

.work-card__title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.3rem;
}

.work-card__desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ─── Hobby Cards ─── */
.hobby__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.hobby-card {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.4rem;
}

.hobby-card__icon {
  font-size: 2rem;
  line-height: 1;
}

.hobby-card__title {
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.hobby-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ─── Contact ─── */
.contact__lead {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  margin-bottom: 3rem;
  max-width: 560px;
}

.contact__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
  margin-bottom: 3rem;
}

.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.contact-card__icon {
  font-size: 1.8rem;
}

.contact-card__label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.1rem;
}

.contact-card__value {
  font-size: 0.95rem;
  color: var(--color-primary);
  font-weight: 600;
}

/* ─── Form ─── */
.contact__form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 600px;
}

.form__title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.form__group {
  margin-bottom: 1.2rem;
}

.form__label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color 0.2s;
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form__textarea {
  resize: vertical;
  min-height: 130px;
}

.form__submit {
  background: var(--color-primary);
  color: #fff;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.form__submit:hover {
  background: #7a4e9a;
  transform: translateY(-1px);
}

/* ─── Page Hero (inner pages) ─── */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, #ffe4f0 100%);
  padding: 3.5rem 2rem 3rem;
  text-align: center;
}

.page-hero__label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.page-hero__title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
}

/* ─── Footer ─── */
.footer {
  background: var(--color-text);
  color: #aaa;
  text-align: center;
  padding: 2rem;
  font-size: 0.85rem;
}

.footer a {
  color: #ccc;
}

/* ─── Responsive ─── */
@media (max-width: 720px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__photo {
    order: -1;
    width: 180px;
    height: 180px;
  }

  .about__grid,
  .works__grid,
  .hobby__grid,
  .contact__grid {
    grid-template-columns: 1fr;
  }

  .hero__name {
    font-size: 2rem;
  }

  .nav__links {
    gap: 1rem;
  }
}