:root {
  --black: #050505;
  --paper: #f4f3ef;
  --red: #f20d24;
  --green: #37ff12;
  --gray: #9b9b96;
  --line: #292929;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--black);
  color: var(--paper);
  font-family: Arial, "Helvetica Neue", "Noto Sans JP", sans-serif;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }

.comic-header {
  min-height: 72px;
  padding: 18px 5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}
.brand { font-size: 18px; font-weight: 900; letter-spacing: -.04em; }
.brand span { color: var(--green); margin-left: 5px; }
.comic-header nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 22px; }
.comic-header nav a { font-size: 10px; letter-spacing: .14em; color: #aaa; }
.comic-header nav a:hover { color: var(--green); }

.comic-hero {
  position: relative;
  min-height: 620px;
  padding: 110px 7vw 90px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.comic-hero::after {
  content: "4";
  position: absolute;
  right: 1vw;
  top: -12vw;
  z-index: -1;
  color: #0d0d0d;
  font-size: min(80vw, 860px);
  font-weight: 900;
  line-height: 1;
}
.eyebrow, .section-no {
  margin: 0 0 20px;
  color: var(--green);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .25em;
}
.comic-hero h1 {
  margin: 0;
  font-size: clamp(58px, 10vw, 145px);
  line-height: .9;
  letter-spacing: -.09em;
}
.comic-hero h1 span { color: var(--green); }
.lead { max-width: 590px; margin: 40px 0 0; color: #a7a7a2; font-size: 14px; line-height: 1.9; }
.comic-progress {
  margin-top: 55px;
  padding-top: 22px;
  max-width: 590px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 8px 25px;
  border-top: 1px solid #303030;
}
.comic-progress span { color: #777; font-size: 9px; letter-spacing: .2em; }
.comic-progress strong { font-size: 30px; }
.comic-progress small { grid-column: 2; color: #888; }

.upcoming, .latest, .archive { padding: 110px 7vw; }
.upcoming { background: var(--paper); color: var(--black); }
.upcoming .section-no { color: #18750d; }
.upcoming h2 { margin: 0 0 20px; font-size: clamp(42px, 7vw, 92px); letter-spacing: -.07em; }
.upcoming p { color: #666; line-height: 1.8; }
.upcoming strong { display: block; margin-top: 40px; font-size: 18px; letter-spacing: .08em; }

.section-heading { margin-bottom: 55px; }
.section-heading h2 { margin: 0; font-size: clamp(48px, 8vw, 110px); line-height: .9; letter-spacing: -.08em; }
.latest { background: #0d0d0d; }
.archive { border-top: 1px solid var(--line); }

.comic-card { scroll-margin-top: 24px; }
.latest .comic-card {
  display: grid;
  grid-template-columns: minmax(280px, 620px) 1fr;
  align-items: end;
  gap: 6vw;
}
.comic-image-link { display: block; background: #fff; overflow: hidden; }
.comic-image { width: 100%; height: auto; }
.comic-meta { padding-top: 22px; display: flex; align-items: flex-end; justify-content: space-between; gap: 22px; }
.episode-label { margin: 0 0 10px; color: var(--green); font-size: 10px; letter-spacing: .2em; }
.comic-title { margin: 0; font-size: clamp(28px, 4vw, 58px); line-height: 1; letter-spacing: -.05em; }
.comic-date { display: block; margin-top: 16px; color: #777; font-size: 10px; letter-spacing: .13em; }
.copy-link {
  flex: 0 0 auto;
  padding: 11px 14px;
  border: 1px solid #555;
  background: transparent;
  color: #aaa;
  cursor: pointer;
}
.copy-link:hover { border-color: var(--green); color: var(--green); }

.comic-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 80px 4vw; }
.comic-grid .comic-title { font-size: clamp(24px, 3vw, 42px); }
.comic-grid .comic-meta { align-items: flex-start; }

.noscript { padding: 40px 7vw; color: #aaa; }
footer {
  padding: 45px 5vw;
  display: flex;
  justify-content: space-between;
  gap: 25px;
  border-top: 1px solid var(--line);
  color: #777;
  font-size: 10px;
  letter-spacing: .14em;
}

@media (max-width: 760px) {
  .comic-header { align-items: flex-start; }
  .comic-header nav { max-width: 220px; gap: 12px 18px; }
  .comic-hero { min-height: 540px; padding: 90px 22px 70px; }
  .comic-hero h1 { font-size: 62px; }
  .lead br { display: none; }
  .upcoming, .latest, .archive { padding: 85px 22px; }
  .latest .comic-card, .comic-grid { grid-template-columns: 1fr; }
  .latest .comic-card { gap: 0; }
  .comic-grid { gap: 65px; }
  .comic-meta { align-items: flex-start; flex-direction: column; }
  footer { flex-direction: column; }
}

@media (max-width: 420px) {
  .comic-header nav { display: none; }
  .comic-hero h1 { font-size: 54px; }
  .comic-progress { grid-template-columns: auto 1fr; }
}