*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black: #000;
  --white: #fff;
  --gray: #888;
  --light-gray: #e8e8e8;
  --font: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --header-height: 80px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--white);
  color: var(--black);
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.02em;
}

/* ───── HEADER ───── */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px 40px 26px 100px;
  background: var(--white);
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 22px;
  width: auto;
  display: block;
}

.logo-text {
  font-family: var(--font);
  font-size: 17.3px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--black);
  text-decoration: none;
}

nav {
  display: flex;
  gap: 36px;
}

nav a {
  text-decoration: none;
  color: var(--black);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 400;
  transition: opacity 0.2s;
}

nav a:hover {
  opacity: 0.4;
}

nav a.active {
  border-bottom: 1px solid var(--black);
}

/* ───── MAIN ───── */
main {
  padding-top: var(--header-height);
}

/* ───── TOP / WORKS ───── */
main > .works-grid {
  padding: 40px 80px;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.work-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background: var(--light-gray);
  display: block;
  text-decoration: none;
  color: inherit;
}

/* 16:9 ratio */
.work-item::before {
  content: '';
  display: block;
  padding-top: 75%;
}

.work-item img,
.work-item .thumb-placeholder {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: flex;
  align-items: center;
  justify-content: center;
}

.thumb-placeholder {
  background: var(--light-gray);
  color: var(--gray);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.work-item .overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  transition: background 0.3s;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 16px;
}

.work-item:hover .overlay {
  background: rgba(0, 0, 0, 0.65);
}

.work-item .work-info {
  opacity: 0;
  transition: opacity 0.3s;
  color: var(--white);
}

.work-item:hover .work-info {
  opacity: 1;
}

.work-info .work-title {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.work-info .work-year {
  font-size: 10px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.08em;
}

/* ───── PAGE CONTENT (About / News / Contact) ───── */
.page-content {
  padding: 80px 40px;
  min-height: calc(100vh - var(--header-height) - 53px);
}

.section-label {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 48px;
}

/* ───── ABOUT ───── */
.about-image {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin-bottom: 64px;
  background: var(--light-gray);
  overflow: hidden;
}

.about-image::before {
  content: '';
  display: block;
  padding-top: 75%;
}

.about-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-image .img-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
}

.about-inner {
  max-width: 900px;
}

.about-ja {
  font-size: 14px;
  line-height: 2;
  letter-spacing: 0.06em;
  margin-bottom: 48px;
  color: var(--black);
}

.about-divider {
  width: 24px;
  height: 1px;
  background: var(--black);
  margin-bottom: 48px;
}

.about-en {
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: 0.03em;
  color: #333;
}

/* ───── CV DOWNLOAD ───── */
#cv-wrap {
  margin-top: 56px;
  max-width: 900px;
}

.cv-download-btn {
  display: inline-block;
  border: 1px solid var(--black);
  padding: 12px 32px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--black);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.cv-download-btn:hover {
  background: var(--black);
  color: var(--white);
}

/* ───── NEWS ───── */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.news-card {
  display: block;
}

.news-card-thumb {
  position: relative;
  padding-top: 75%;
  background: var(--light-gray);
  overflow: hidden;
}

.news-card-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-card-nothumb {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: #bbb;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.news-card-body {
  padding: 14px 2px 24px;
}

.news-card-date {
  font-size: 10px;
  color: var(--gray);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.news-card-text {
  font-size: 12px;
  line-height: 1.8;
  color: var(--black);
}

@media (max-width: 800px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .news-grid {
    grid-template-columns: 1fr;
  }
}

/* ───── CONTACT ───── */
.contact-inner {
  max-width: 480px;
}

.contact-intro {
  font-size: 13px;
  line-height: 1.9;
  color: #333;
  margin-bottom: 48px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.form-row label {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
}

.form-row input,
.form-row textarea {
  border: none;
  border-bottom: 1px solid var(--black);
  outline: none;
  font-family: var(--font);
  font-size: 13px;
  padding: 8px 0;
  background: transparent;
  color: var(--black);
  transition: border-color 0.2s;
  width: 100%;
}

.form-row textarea {
  resize: none;
  height: 100px;
  line-height: 1.7;
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--gray);
}

.btn-submit {
  margin-top: 8px;
  align-self: flex-start;
  background: var(--black);
  color: var(--white);
  border: none;
  font-family: var(--font);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 14px 32px;
  cursor: pointer;
  transition: opacity 0.2s;
}

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

/* ───── WORK DETAIL ───── */
.work-detail {
  padding-top: var(--header-height);
}

.work-hero {
  padding: 40px 80px 0;
}

.work-hero-img {
  position: relative;
  width: 100%;
  background: var(--light-gray);
  overflow: hidden;
}

.work-hero-img::before {
  content: '';
  display: block;
  padding-top: 75%;
}

.work-hero-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.work-hero-img .img-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
}

.work-meta-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: 48px 80px;
  max-width: 1400px;
}

.work-detail-title {
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.work-detail-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.work-detail-year {
  font-size: 11px;
  color: var(--gray);
  letter-spacing: 0.08em;
}

.work-detail-medium {
  font-size: 11px;
  color: var(--gray);
  letter-spacing: 0.06em;
}

.work-desc-ja {
  font-size: 13px;
  line-height: 2;
  letter-spacing: 0.06em;
  margin-bottom: 32px;
}

.work-desc-en {
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: 0.03em;
  color: #555;
}

.work-sub-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 0 80px;
}

.work-sub-img {
  position: relative;
  background: var(--light-gray);
  overflow: hidden;
}

.work-sub-img::before {
  content: '';
  display: block;
  padding-top: 75%;
}

.work-sub-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.work-sub-img .img-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
}

.work-nav {
  padding: 48px 80px;
}

.work-nav-back {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--black);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.work-nav-back:hover {
  border-color: var(--black);
}

@media (max-width: 800px) {
  .work-hero,
  .work-meta-wrap,
  .work-sub-images,
  .work-nav {
    padding-left: 24px;
    padding-right: 24px;
  }

  .work-meta-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .work-sub-images {
    grid-template-columns: 1fr;
  }
}

/* ───── FOOTER ───── */
footer {
  padding: 24px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  font-size: 11px;
  color: var(--gray);
  letter-spacing: 0.06em;
}

/* ───── RESPONSIVE ───── */
@media (max-width: 1000px) {
  .works-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 700px) {
  .works-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  header {
    padding: 0 20px;
  }

  nav {
    gap: 20px;
  }

  section {
    padding: 60px 20px;
  }

  .page-content {
    padding: 60px 20px;
  }

  main > .works-grid {
    padding: 12px;
  }

  .works-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
  }

  .news-item {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .news-date {
    grid-column: 1 / -1;
  }

  .news-no-thumb {
    display: none;
  }

  footer {
    padding: 20px;
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }
}