/* =========================================================
   Reset
   ========================================================= */

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

html, body, h1, h2, h3, p, ul, ol, li, figure{
  margin: 0;
  padding: 0;
}

ul, ol{
  list-style: none;
}

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

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

button{
  font: inherit;
  color: inherit;
  background: none;
  border: none;
}

/* =========================================================
   Tokens
   ========================================================= */

:root{
  --bg: #fbfbfa;
  --bg-alt: #f4f4f3;
  --text: #16181a;
  --text-soft: #6c706e;
  --text-faint: #9a9d9b;
  --line: #e6e6e4;
  --line-strong: #d5d5d2;

  --accent: #00e0c6;
  --accent-wash: rgba(0, 224, 198, 0.08);

  --radius: 3px;
  --maxw: 880px;

  --font-body: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans",
    "Yu Gothic", Meiryo, Arial, sans-serif;
  --font-display: "Space Grotesk", "Noto Sans JP", "Hiragino Kaku Gothic ProN",
    Arial, sans-serif;
}

html{
  scroll-behavior: smooth;
}

body{
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 380px){
  .wrap{
    padding: 0 20px;
  }
}

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

/* =========================================================
   Header / Nav
   ========================================================= */

header.site-header{
  border-bottom: 1px solid var(--line);
}

.nav-row{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  row-gap: 10px;
}

@media (max-width: 380px){
  .nav-row{
    padding: 20px;
  }
}

.mark{
  display: inline-flex;
  align-items: center;
}

.mark-logo{
  height: 54px;
  width: auto;
}

nav.links{
  display: flex;
  gap: 22px;
  font-size: 14px;
  flex-wrap: wrap;
  row-gap: 6px;
}

nav.links a{
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  color: var(--text-soft);
  transition: color 0.15s ease, border-color 0.15s ease;
}

nav.links a:hover,
nav.links a:focus-visible{
  color: var(--text);
}

nav.links a[aria-current="page"]{
  color: var(--text);
  border-bottom-color: var(--accent);
}

@media (max-width: 480px){
  nav.links{
    gap: 15px;
    font-size: 13px;
  }
}

@media (max-width: 380px){
  nav.links{
    gap: 11px;
    font-size: 12px;
    letter-spacing: -0.02em;
  }
}

main{
  padding-bottom: 80px;
}

/* =========================================================
   Home ― hero (left-aligned, not centered)
   ========================================================= */

.hero{
  padding: 48px 0 8px;
}

.hero .catch{
  margin-top: 14px;
  margin-left: 16px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.hero .desc{
  margin-top: 10px;
  margin-left: 16px;
  max-width: 32em;
  color: #565a58;
  font-size: 14px;
}

/* =========================================================
   Home ― typographic link list
   ========================================================= */

.link-list{
  margin-top: 44px;
  padding-left: 16px;
  border-top: 1px solid var(--line);
}

.link-list li{
  border-bottom: 1px solid var(--line);
}

.link-list a{
  display: flex;
  align-items: baseline;
  gap: 24px;
  width: 100%;
  padding: 18px 2px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.link-list a:hover,
.link-list a:focus-visible{
  background: var(--accent-wash);
}

.link-list .item-title{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  width: 108px;
  flex-shrink: 0;
  letter-spacing: 0.01em;
}

.link-list .item-sub{
  flex: 1 1 auto;
  font-size: 13px;
  color: #565a58;
  min-width: 0;
}

.link-list .item-arrow{
  flex-shrink: 0;
  font-size: 14px;
  color: var(--accent);
  transition: color 0.15s ease, transform 0.15s ease;
}

.link-list a:hover .item-arrow,
.link-list a:focus-visible .item-arrow{
  transform: translateX(3px);
}

@media (max-width: 520px){
  .link-list .item-title{
    width: 84px;
    font-size: 15px;
  }
  .link-list .item-sub{
    font-size: 12.5px;
  }
}

@media (max-width: 380px){
  .hero .catch,
  .hero .desc{
    margin-left: 8px;
  }
  .link-list{
    padding-left: 8px;
  }
  .page-head{
    padding-left: 8px;
  }
  .work-grid{
    padding-left: 8px;
  }
  .text-list{
    padding-left: 8px;
  }
}

/* =========================================================
   Home ― About (asymmetric two-column block)
   ========================================================= */

.about-grid{
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
}

.about-grid .about-label{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  align-self: start;
  margin-top: 4px;
}

.about-grid .about-copy p{
  max-width: 36em;
  font-size: 14px;
  color: var(--text-soft);
}

.about-grid .about-copy p + p{
  margin-top: 12px;
}

.about-grid .about-copy strong{
  color: var(--text);
  font-weight: 500;
}

@media (max-width: 560px){
  .about-grid{
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

/* =========================================================
   Sub-pages ― page head
   ========================================================= */

.page-head{
  padding: 56px 0 4px;
  padding-left: 16px;
}

.page-head h1{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 24px;
  margin-bottom: 12px;
}

.page-head .page-logo{
  height: 30px;
  width: auto;
  margin-bottom: 16px;
}

.page-head p{
  color: #565a58;
  font-size: 14px;
  max-width: 32em;
}

/* =========================================================
   Work grid (Apps / Novels / TRPG) ― サムネイル2列
   ========================================================= */

.work-grid{
  margin-top: 40px;
  padding-left: 16px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px 24px;
}

.work-item a{
  display: block;
}

.work-thumb{
  aspect-ratio: 4 / 3;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.15s ease;
}

.work-item a:hover .work-thumb,
.work-item a:focus-visible .work-thumb{
  border-color: var(--accent);
}

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

.work-thumb img[data-fit="contain"]{
  object-fit: contain;
}

.work-body{
  margin-top: 14px;
}

.work-body .work-title-row{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.work-body h3{
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
}

.work-body p{
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.7;
  color: #565a58;
}

@media (max-width: 600px){
  .work-grid{
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .work-body .work-title-row{
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }

  .work-body h3{
    font-size: 15.5px;
  }

  .work-body p{
    font-size: 13px;
  }
}

.status{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  color: var(--text-soft);
  white-space: nowrap;
  flex-shrink: 0;
}

.status::before{
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status.is-live::before{ background: var(--accent); }
.status.is-beta::before{ background: var(--accent); opacity: 0.45; }
.status.is-soon::before{ background: transparent; border: 1px solid var(--text-faint); }
.status.is-writing::before{ background: transparent; border: 1px solid var(--accent); }

/* =========================================================
   テキストリスト(Novels) ― サムネイルなし
   ========================================================= */

.text-list{
  margin-top: 40px;
  padding-left: 16px;
  border-top: 1px solid var(--line);
}

.text-list li{
  border-bottom: 1px solid var(--line);
}

.text-list a{
  display: block;
  width: 100%;
  padding: 22px 2px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.text-list a:hover,
.text-list a:focus-visible{
  background: var(--accent-wash);
}

.text-list-top{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.text-list-top h3{
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.text-list .status{
  flex-shrink: 0;
}

.text-list p{
  margin-top: 8px;
  font-size: 13.5px;
  color: #565a58;
  max-width: 40em;
}

@media (max-width: 480px){
  .text-list-top h3{
    font-size: 16.5px;
  }
  .text-list p{
    font-size: 13px;
  }
}

/* =========================================================
   Contact
   ========================================================= */

.contact-block{
  padding: 20px 0 0;
}

.contact-block p{
  font-size: 14px;
  color: var(--text-soft);
  max-width: 28em;
}

.contact-link{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  padding: 11px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.contact-link:hover,
.contact-link:focus-visible{
  border-color: var(--accent);
  color: var(--text);
}

/* =========================================================
   Footer
   ========================================================= */

footer{
  padding: 28px 0 40px;
  color: var(--text-faint);
  font-size: 12px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-logo{
  height: 72px;
  width: auto;
}

@media (max-width: 480px){
  .footer-logo{
    height: 52px;
  }
}