:root {
  --ink: #2f2d29;
  --muted: #77736b;
  --paper: #fffdf8;
  --line: #ddd5c6;
  --blue: #3d6f9f;
  --blue-soft: #edf5fb;
  --rose: #9b4d58;
  --rose-soft: #fff0f1;
  --green: #5e8f84;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: #edf7fb;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  line-height: 1.8;
}

a { color: inherit; }

.edition-page {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.edition-hero,
.edition-card,
.edition-note {
  background: rgba(255, 253, 248, 0.97);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 24px 56px rgba(63, 89, 105, 0.10);
}

.edition-hero { padding: clamp(28px, 6vw, 64px); }

.brand {
  display: inline-block;
  color: var(--green);
  font-weight: 700;
  text-decoration: none;
}

.edition-kicker {
  margin: 18px 0 4px;
  color: var(--muted);
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4.2rem);
  font-weight: 500;
  line-height: 1.25;
}

.edition-lead {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.edition-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 28px;
  scroll-margin-top: 24px;
}

.edition-card {
  min-width: 0;
  padding: 30px;
}
.edition-card.free { border-color: #b9d5e9; }
.edition-card.full { border-color: #e2b9bf; }

.edition-badge {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 4px 14px;
  border-radius: 999px;
  color: #fff;
  font-weight: 700;
}

.edition-badge.free { background: var(--blue); }
.edition-badge.full { background: var(--rose); }

.edition-card h2 {
  margin: 18px 0 8px;
  font-size: 1.65rem;
}

.edition-card > p { color: var(--muted); }

.edition-feature-list {
  display: grid;
  gap: 4px;
  margin: 18px 0 26px;
  padding: 0;
  list-style: none;
}

.edition-feature-list li {
  border-bottom: 1px solid rgba(221, 213, 198, 0.72);
}

.edition-feature-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  padding: 10px 2px;
  border: 0;
  color: var(--ink);
  background: transparent;
  font: inherit;
  text-align: left;
  min-width: 0;
  cursor: pointer;
}

.edition-feature-button,
.edition-card h2,
.edition-card > p,
h1,
.edition-lead {
  overflow-wrap: anywhere;
}

.edition-feature-button span {
  flex: 0 0 auto;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.edition-feature-button:hover,
.edition-feature-button:focus-visible { color: var(--green); }

.edition-feature-button:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 4px;
  border-radius: 4px;
}

.edition-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 54px;
  padding: 12px 24px;
  border-radius: 12px;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.edition-button.free { background: var(--blue); }
.edition-button.full { background: var(--rose); }

.edition-note {
  margin-top: 24px;
  padding: 24px 30px;
  color: var(--muted);
}

.edition-note strong { color: var(--ink); }

.feature-dialog {
  width: min(620px, calc(100% - 28px));
  max-height: calc(100vh - 40px);
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 20px;
  color: var(--ink);
  background: var(--paper);
  box-shadow: 0 28px 80px rgba(41, 56, 66, 0.28);
}

.feature-dialog::backdrop { background: rgba(34, 45, 52, 0.42); }

.feature-dialog-card {
  position: relative;
  padding: 34px;
}

.feature-dialog-close {
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--ink);
  background: var(--paper);
  font: inherit;
  cursor: pointer;
}

.feature-dialog-close:hover,
.feature-dialog-close:focus-visible {
  border-color: var(--green);
  color: var(--green);
}

.feature-dialog-kicker {
  margin: 0 0 8px;
  color: var(--green);
  font-size: 0.86rem;
  font-weight: 700;
}

.feature-dialog h2 {
  margin: 0 72px 14px 0;
  font-size: 1.65rem;
  line-height: 1.4;
}

.feature-dialog p { margin: 0; }

.feature-dialog-usage {
  margin-top: 24px;
  padding: 18px 20px;
  border-radius: 12px;
  background: var(--blue-soft);
}

.feature-dialog-usage strong {
  display: block;
  margin-bottom: 6px;
  color: var(--blue);
}

.redirect-page {
  display: grid;
  min-height: 70vh;
  place-items: center;
}

.redirect-page a {
  color: var(--green);
  font-weight: 700;
}

@media (max-width: 760px) {
  .edition-page {
    width: min(100% - 20px, 1120px);
    padding-top: 20px;
  }

  .edition-grid {
    grid-template-columns: minmax(0, 1fr);
    overflow: hidden;
  }
  .edition-card, .edition-note { padding: 22px; }
  .edition-button { width: 100%; }
  .feature-dialog-card { padding: 28px 22px; }
  .feature-dialog h2 {
    margin-right: 64px;
    font-size: 1.35rem;
  }
}