/* Rase — shared styles (rase.jp / mod.rase.jp)
   Palette: deep indigo + mint (design A). Wide layout, side-by-side sections. */
:root {
  --bg: #F4F3FF;
  --panel: #FFFFFF;
  --text: #1E1B3A;
  --sub: #4A4670;
  --line: #CFCBEB;
  --accent: #4FD1C5;
  --accent-ink: #086158;
  --btn-text: #1E1B3A;
  --danger: #B42318;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1E1B3A;
    --panel: #2A2650;
    --text: #F4F3FF;
    --sub: #C9C5E6;
    --line: #3B3670;
    --accent-ink: #4FD1C5;
  }
}
:root[data-theme="dark"] {
  --bg: #1E1B3A;
  --panel: #2A2650;
  --text: #F4F3FF;
  --sub: #C9C5E6;
  --line: #3B3670;
  --accent-ink: #4FD1C5;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
  font-size: 17px;
  line-height: 1.8;
}
a { color: var(--accent-ink); }
img { max-width: 100%; height: auto; display: block; }

.wrap { max-width: 1280px; margin: 0 auto; padding: 0 40px; }

/* header / footer */
.site-head {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 22px 0; flex-wrap: wrap; border-bottom: 1px solid var(--line);
}
.brand { color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.1rem; }
.brand small { display: block; font-size: .8rem; font-weight: 400; color: var(--sub); }
.head-actions { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.head-actions a { color: var(--text); text-decoration: none; font-size: .95rem; }
.head-actions a:hover { color: var(--accent-ink); text-decoration: underline; }
.theme-btn {
  border: 1px solid var(--line); background: var(--panel); color: var(--text);
  border-radius: 999px; padding: 7px 14px; font: inherit; font-size: .85rem; cursor: pointer;
}

.site-foot { border-top: 1px solid var(--line); margin-top: 16px; padding: 28px 0 40px; color: var(--sub); font-size: .9rem; }
.site-foot .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* sections: label/heading on the left, content on the right */
.block { padding: 64px 0; border-top: 1px solid var(--line); }
/* heading sits above, content spans the full width so text and cards stay readable */
.split { display: grid; grid-template-columns: 1fr; gap: 32px; align-items: start; }
.split > header { max-width: 720px; }
.split > header h2 { margin-top: 8px; }
.split > header p { margin-top: 12px; }

.label {
  font-size: .8rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent-ink);
}
h1, h2, h3 { line-height: 1.3; margin: 0; }
h2 { font-size: clamp(1.6rem, 3vw, 2rem); }
h3 { font-size: 1.15rem; margin: 0 0 6px; }
p { margin: 0 0 12px; }
.muted { color: var(--sub); }
.small { font-size: .9rem; }

/* hero */
.hero { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: end; padding: 80px 0 56px; }
.hero h1 { font-size: clamp(4rem, 12vw, 8rem); letter-spacing: -.03em; line-height: 1; }
.hero h1 span { color: var(--accent); }
.hero .lead { font-size: 1.25rem; margin-bottom: 20px; }

/* buttons & links */
.btn {
  display: inline-block; background: var(--accent); color: var(--btn-text);
  padding: 12px 20px; border-radius: 8px; text-decoration: none; font-weight: 700;
}
.btn:hover { filter: brightness(1.06); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.text-link { font-weight: 600; text-decoration: none; }
.text-link:hover { text-decoration: underline; }

/* cards */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.cards { display: grid; gap: 20px; grid-template-columns: repeat(3, 1fr); }
.cards-4 { grid-template-columns: repeat(3, 1fr); }
.cards-2 { grid-template-columns: repeat(2, 1fr); }

.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { font-size: .8rem; padding: 3px 10px; border-radius: 6px; border: 1px solid var(--line); color: var(--sub); }

/* status */
.status { display: inline-flex; align-items: center; gap: .5em; font-weight: 700; }
.dot { width: .6em; height: .6em; border-radius: 50%; background: var(--accent); display: inline-block; }
.dot.off { background: var(--danger); }

/* history: horizontal row on wide screens */
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.tl { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.tl time { display: block; font-weight: 700; font-size: 1.2rem; color: var(--accent-ink); margin-bottom: 8px; }
.tl time span { display: block; font-weight: 400; color: var(--sub); font-size: .9rem; }
.tl.future time { color: var(--sub); }
.tl.blank { background: transparent; border-style: dashed; }

/* link list */
.linklist { display: grid; gap: 10px; }
.linklist a {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 18px; text-decoration: none; color: var(--text);
}
.linklist a:hover { border-color: var(--accent); }
.linklist span { color: var(--sub); font-size: .9rem; }

/* log */
.log-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.log-item { display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.log-item b { color: var(--accent-ink); font-size: 1.05rem; }
.log-item span { display: block; color: var(--sub); font-size: .85rem; }

.ad-slot { border: 1px dashed var(--line); border-radius: 14px; padding: 16px; text-align: center; min-height: 120px; }

/* responsive */
@media (max-width: 960px) {
  .wrap { padding: 0 20px; }
  .split, .hero { grid-template-columns: 1fr; gap: 24px; }
  .split { gap: 20px; }
  .cards, .cards-4 { grid-template-columns: 1fr; }
  .cards-2 { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .block { padding: 44px 0; }
  .hero { padding: 48px 0 36px; }
  body { font-size: 16px; }
}
@media (min-width: 961px) and (max-width: 1100px) {
  .timeline { grid-template-columns: repeat(3, 1fr); }
}
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.grid2 { display: grid; gap: 20px; grid-template-columns: repeat(2, 1fr); }
@media (max-width: 960px) { .grid2 { grid-template-columns: 1fr; } }