/* ========================================
   Anna | Design Portfolio
   GitHub Pages static version
   ======================================== */

:root {
  --text: #333;
  --accent: #7dbb55;
  --light-green: #e1eac2;
  --light-blue: #f1f9fd;
  --border: #ddd;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: #fff;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  line-height: 1.8;
}

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

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

a:hover {
  opacity: 0.75;
}

/* ---------- Header ---------- */

.site-header {
  width: 100%;
  padding: 22px 30px;
  background: #fff;
  position: relative;
  z-index: 10;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.site-logo {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.global-nav ul {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.global-nav a {
  font-size: 14px;
  letter-spacing: 0.08em;
}

/* ---------- Main visual ---------- */

.hero {
  max-width: 1057px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero img {
  width: 100%;
  border-radius: 0;
}

/* ---------- Common section ---------- */

.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 90px 30px;
}

.section-title {
  margin: 0 0 45px;
  text-align: center;
  font-size: 30px;
  font-weight: 500;
  letter-spacing: 0.12em;
}

.section-title::after {
  content: "";
  display: block;
  width: 45px;
  height: 1px;
  margin: 18px auto 0;
  background: var(--text);
}

/* ---------- Works ---------- */

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 45px 30px;
}

.work-card {
  margin: 0;
}

.work-card a {
  display: block;
}

.work-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.work-title {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.6;
  font-weight: 500;
}

.work-category {
  margin: 4px 0 0;
  font-size: 12px;
  color: #777;
}

/* ---------- About ---------- */

.about-section {
  max-width: none;
  padding: 90px 30px;
  background: linear-gradient(
    207deg,
    rgb(225, 234, 194) 0%,
    rgb(240, 251, 219) 31%,
    rgb(241, 249, 253) 100%
  );
}

.about-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.about-content {
  max-width: 760px;
  margin: 0 auto;
  text-align: left;
}

.about-content p {
  margin: 0 0 20px;
}

.about-name {
  margin-bottom: 25px !important;
  font-size: 22px;
  font-weight: 600;
}

/* ---------- Contact ---------- */

.contact-section {
  text-align: center;
}

.contact-text {
  margin: 0 auto 30px;
}

.contact-button {
  display: inline-block;
  padding: 12px 34px;
  border: 1px solid var(--text);
  font-size: 14px;
  letter-spacing: 0.08em;
  transition: 0.2s ease;
}

.contact-button:hover {
  opacity: 1;
  background: var(--text);
  color: #fff;
}

/* ---------- Social ---------- */

.social-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 35px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--text);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 600;
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 35px 20px;
  text-align: center;
  font-size: 12px;
  color: #777;
  border-top: 1px solid #eee;
}

/* ---------- Tablet ---------- */

@media (max-width: 768px) {
  .site-header {
    padding: 18px 20px;
  }

  .header-inner {
    display: block;
    text-align: center;
  }

  .site-logo {
    margin-bottom: 12px;
    font-size: 21px;
  }

  .global-nav ul {
    justify-content: center;
    gap: 20px;
  }

  .global-nav a {
    font-size: 13px;
  }

  .hero {
    padding: 0 15px;
  }

  .section {
    padding: 65px 20px;
  }

  .section-title {
    margin-bottom: 35px;
    font-size: 26px;
  }

  .works-grid {
    gap: 30px 20px;
  }

  .about-section {
    padding: 65px 20px;
  }
}

/* ---------- Smartphone ---------- */

@media (max-width: 480px) {
  .site-header {
    padding: 15px;
  }

  .site-logo {
    font-size: 18px;
  }

  .global-nav ul {
    gap: 13px;
  }

  .global-nav a {
    font-size: 11px;
  }

  .hero {
    padding: 0;
  }

  .section {
    padding: 50px 18px;
  }

  .section-title {
    margin-bottom: 28px;
    font-size: 23px;
  }

  .works-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .work-title {
    font-size: 14px;
  }

  .about-section {
    padding: 50px 18px;
  }

  .about-content {
    font-size: 14px;
  }

  .contact-section {
    text-align: center;
  }
}