:root {
  --bg: #ece4d8;
  --card: #fffaf3;
  --text: #2f2924;
  --muted: #75695d;
  --line: #e4d6c5;
  --accent: #4e746a;
  --accent-soft: #e4efeb;
  --shadow: rgba(59, 43, 24, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at 12% 8%, #f4ede3 0%, var(--bg) 58%, #e8decf 100%);
  color: var(--text);
  font-family: 'Noto Sans JP', sans-serif;
  line-height: 1.85;
}

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 40px 20px 72px;
}

.back {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.02em;
}

.back:hover {
  color: var(--accent);
}

.back:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 30px;
  box-shadow: 0 18px 36px var(--shadow);
}

.work-cover {
  margin: 0 0 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: #ede3d6;
}

.work-cover img {
  display: block;
  width: 100%;
  height: auto;
}

.kicker {
  margin: 0;
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

h1 {
  margin: 10px 0 8px;
  font-size: clamp(1.6rem, 3.4vw, 2rem);
  line-height: 1.4;
  font-family: 'Noto Serif JP', serif;
  font-weight: 700;
}

.summary {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.notice {
  margin-top: 14px;
  padding: 11px 13px;
  background: #fbf7f1;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 13px;
  color: var(--muted);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
}

.tag {
  font-size: 12px;
  border: 1px solid #d2e3dd;
  border-radius: 999px;
  padding: 4px 10px;
  color: var(--accent);
  background: var(--accent-soft);
}

section {
  margin-top: 26px;
}

h2 {
  margin: 0 0 10px;
  font-size: 18px;
  border-left: 4px solid var(--accent);
  padding-left: 10px;
  font-family: 'Noto Serif JP', serif;
}

p {
  margin: 0;
}

ul {
  margin: 0;
  padding-left: 20px;
}

li + li {
  margin-top: 8px;
}

.link {
  display: inline-block;
  margin-top: 18px;
  color: #fff;
  text-decoration: none;
  background: #2f2924;
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 14px;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.link:hover {
  background: #3e352e;
}

.link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.banner-modal[hidden] {
  display: none;
}

.banner-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.banner-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 16, 12, 0.62);
  backdrop-filter: blur(2px);
}

.banner-modal__dialog {
  position: relative;
  width: min(920px, 92vw);
  max-height: 92vh;
  overflow: auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 24px 48px rgba(20, 16, 12, 0.3);
  padding: 18px;
}

.banner-modal__close {
  position: sticky;
  top: 0;
  float: right;
  border: none;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
  width: 36px;
  height: 36px;
  border-radius: 999px;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.banner-modal__title {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.banner-modal__image {
  display: block;
  width: 100%;
  max-height: 70vh;
  object-fit: contain;
  margin: 0 auto;
  background: #f3ecdf;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.banner-modal__thumbs {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.banner-modal__thumb {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 0;
  line-height: 0;
  cursor: pointer;
}

.banner-modal__thumb img {
  width: 76px;
  height: 76px;
  object-fit: cover;
  display: block;
  border-radius: 7px;
}

.banner-modal__thumb.is-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(78, 116, 106, 0.18);
}

@media (max-width: 700px) {
  .wrap {
    padding: 28px 16px 56px;
  }

  .card {
    padding: 22px;
    border-radius: 18px;
  }

  h1 {
    font-size: 1.45rem;
  }

  h2 {
    font-size: 17px;
  }

  .banner-modal__dialog {
    width: 94vw;
    padding: 14px;
  }

  .banner-modal__thumb img {
    width: 64px;
    height: 64px;
  }
}