:root {
  --paper: #f4f5f1;
  --card: #ffffff;
  --ink: #15181c;
  --muted: #5b6168;
  --line: #d9ddd4;
  --line-strong: #b9c0b4;
  --green: #0f5132;
  --green-ink: #ffffff;
  --green-soft: #e4efe7;
  --gold: #e0b23a;
  --gold-soft: #f8edcc;
  --danger: #a33a2a;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --display: "Familjen Grotesk", "Noto Sans JP", system-ui, sans-serif;
  --body: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Hiragino Sans", "Helvetica Neue", Arial, sans-serif;
  --radius: 14px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0e1411;
    --card: #151d18;
    --ink: #e6ebe4;
    --muted: #9aa59c;
    --line: #26302a;
    --line-strong: #3a473f;
    --green: #7fc8a0;
    --green-ink: #0b1a12;
    --green-soft: #1b2b22;
    --gold: #e0b23a;
    --gold-soft: #3a3016;
    --danger: #e08a7a;
  }
}
:root[data-theme="dark"] {
  --paper: #0e1411; --card: #151d18; --ink: #e6ebe4; --muted: #9aa59c; --line: #26302a; --line-strong: #3a473f;
  --green: #7fc8a0; --green-ink: #0b1a12; --green-soft: #1b2b22; --gold: #e0b23a; --gold-soft: #3a3016; --danger: #e08a7a;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.55 var(--body);
  min-height: 100vh;
}
a { color: inherit; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
[hidden] { display: none !important; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }

/* header */
.top { display: flex; align-items: center; justify-content: space-between; padding: 18px 0 8px; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { width: 28px; height: 28px; }
.brand b { font-family: var(--display); font-weight: 700; letter-spacing: -0.01em; font-size: 18px; }
.brand small { color: var(--muted); font-size: 13px; margin-left: 2px; }
.lang { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.lang button { background: none; border: 0; padding: 6px 12px; cursor: pointer; color: var(--muted); font-size: 13px; }
.lang button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

/* hero */
.hero { padding: 28px 0 22px; }
.hero h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(34px, 6vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 14px;
  max-width: 14ch;
}
.hero h1 em { font-style: normal; color: var(--green); }
.hero p { margin: 0; color: var(--muted); max-width: 56ch; font-size: 17px; }

/* layout */
.grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; align-items: start; padding-bottom: 40px; }
@media (min-width: 900px) { .grid { grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr); gap: 28px; } .preview { position: sticky; top: 16px; } }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.step { padding: 20px 20px 22px; border-bottom: 1px solid var(--line); }
.step:last-child { border-bottom: 0; }
.step-h { display: flex; align-items: baseline; gap: 12px; margin: 0 0 14px; }
.step-n { font-family: var(--mono); font-size: 12px; color: var(--muted); letter-spacing: 0.08em; }
.step-h h2 { font-family: var(--display); font-size: 20px; margin: 0; letter-spacing: -0.01em; font-weight: 600; }

/* market segmented */
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.seg button {
  background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; text-align: left; cursor: pointer;
}
.seg button b { display: block; font-family: var(--display); font-size: 17px; font-weight: 600; }
.seg button span { display: block; color: var(--muted); font-size: 13px; margin-top: 2px; }
.seg button[aria-pressed="true"] { border-color: var(--green); background: var(--green-soft); box-shadow: inset 0 0 0 1px var(--green); }

/* scope radios */
.modes { display: grid; gap: 8px; }
.mode { display: grid; grid-template-columns: 22px 1fr auto; gap: 12px; align-items: start; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; cursor: pointer; background: var(--paper); }
.mode:has(input:checked) { border-color: var(--green); background: var(--green-soft); box-shadow: inset 0 0 0 1px var(--green); }
.mode input { margin: 3px 0 0; accent-color: var(--green); width: 18px; height: 18px; }
.mode b { display: block; font-weight: 600; }
.mode span { display: block; color: var(--muted); font-size: 13.5px; }
.mode .count { font-family: var(--mono); font-size: 12px; color: var(--muted); white-space: nowrap; margin-top: 3px; }
.mode .count.warn { color: var(--danger); }

/* watchlist */
.watch { margin-top: 12px; padding: 14px; border: 1px dashed var(--line-strong); border-radius: 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; min-height: 30px; margin-bottom: 10px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 8px 5px 10px; border-radius: 999px; background: var(--ink); color: var(--paper); font-family: var(--mono); font-size: 13px; }
.chip small { font-family: var(--body); opacity: 0.75; max-width: 16ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip button { background: none; border: 0; color: inherit; cursor: pointer; padding: 0 2px; font-size: 15px; line-height: 1; opacity: 0.8; }
.chip button:hover { opacity: 1; }
.chips .empty { color: var(--muted); font-size: 13.5px; align-self: center; }
.sym { position: relative; }
.sym input {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--card); color: var(--ink);
  font: 16px var(--mono); text-transform: uppercase;
}
.sym input::placeholder { text-transform: none; font-family: var(--body); color: var(--muted); }
.sugg { position: absolute; left: 0; right: 0; top: calc(100% + 4px); z-index: 5; background: var(--card); border: 1px solid var(--line-strong); border-radius: 10px; box-shadow: 0 12px 30px rgba(0,0,0,0.12); max-height: 260px; overflow: auto; margin: 0; padding: 4px; list-style: none; }
.sugg li { display: flex; gap: 10px; align-items: baseline; padding: 8px 10px; border-radius: 7px; cursor: pointer; }
.sugg li b { font-family: var(--mono); font-weight: 500; min-width: 6ch; }
.sugg li span { color: var(--muted); font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sugg li[aria-selected="true"], .sugg li:hover { background: var(--green-soft); }
.sugg li.add { color: var(--green); }
.hint { color: var(--muted); font-size: 13px; margin: 8px 0 0; }

/* subscribe */
.sub-main { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 18px; border-radius: 12px; border: 1px solid transparent; cursor: pointer; text-decoration: none; font-weight: 600; font-size: 15px; }
.btn.primary { background: var(--green); color: var(--green-ink); }
.btn.primary svg { width: 18px; height: 18px; }
.btn.ghost { background: var(--card); border-color: var(--line-strong); }
.btn[aria-disabled="true"] { opacity: 0.45; pointer-events: none; }
.url { display: flex; gap: 8px; margin-top: 12px; align-items: stretch; }
.url input { flex: 1; min-width: 0; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); color: var(--ink); font: 13px var(--mono); }
.sub-note { color: var(--muted); font-size: 13px; margin: 10px 0 0; }
.sub-note b { color: var(--ink); font-weight: 600; }

/* preview */
.preview .card { overflow: hidden; }
.pv-head { padding: 18px 20px 12px; display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.pv-head h2 { font-family: var(--display); font-size: 18px; margin: 0; font-weight: 600; }
.pv-head .upd { font-family: var(--mono); font-size: 11.5px; color: var(--muted); text-align: right; }
.meter { padding: 0 20px 14px; }
.total { font-family: var(--mono); font-size: 13px; color: var(--muted); display: flex; justify-content: space-between; margin-bottom: 8px; }
.total b { color: var(--ink); font-weight: 500; font-size: 15px; }
.bars { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 3px; align-items: end; height: 54px; }
.bar { position: relative; background: var(--line); border-radius: 3px 3px 0 0; min-height: 2px; transition: height 0.25s ease; }
.bar.has { background: var(--green); }
.bar.today { outline: 2px solid var(--gold); outline-offset: 1px; }
.bar i { position: absolute; left: 0; right: 0; bottom: -17px; font: 10px var(--mono); color: var(--muted); text-align: center; font-style: normal; }
.bar.wknd { background: transparent; }
.bars-space { height: 18px; }
.size-note { margin: 10px 0 0; font-size: 13px; color: var(--muted); }
.size-note.warn { color: var(--danger); }

.events { list-style: none; margin: 0; padding: 0 8px 8px; max-height: 520px; overflow: auto; border-top: 1px solid var(--line); }
.day { padding: 12px 12px 4px; font: 12px var(--mono); color: var(--muted); letter-spacing: 0.04em; position: sticky; top: 0; background: var(--card); }
.day.today { color: var(--gold); }
.ev { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: baseline; padding: 7px 12px; border-radius: 8px; }
.ev:hover { background: var(--paper); }
.ev .t { font-family: var(--mono); font-size: 14px; font-weight: 500; min-width: 5.5ch; }
.ev .t a { text-decoration: none; }
.ev .t a:hover { text-decoration: underline; }
.ev .n { color: var(--muted); font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ev .w { font-family: var(--mono); font-size: 11.5px; color: var(--muted); white-space: nowrap; }
.ev .w.amc { color: var(--green); }
.ev .w.bmo { color: var(--gold); filter: brightness(0.85); }
.ev .nk { font-size: 10px; color: var(--green); border: 1px solid var(--green); border-radius: 4px; padding: 0 4px; margin-left: 6px; vertical-align: 1px; }
.events .empty { padding: 28px 12px; color: var(--muted); text-align: center; font-size: 14px; }
.more { padding: 10px 12px 14px; color: var(--muted); font: 12px var(--mono); text-align: center; }

/* faq + footer */
.faq { padding: 8px 0 40px; display: grid; gap: 8px; max-width: 760px; }
.faq h2 { font-family: var(--display); font-size: 22px; margin: 0 0 8px; letter-spacing: -0.01em; }
.faq details { border: 1px solid var(--line); border-radius: 12px; background: var(--card); padding: 0 16px; }
.faq summary { cursor: pointer; padding: 13px 0; font-weight: 600; }
.faq details p { margin: 0 0 14px; color: var(--muted); font-size: 14.5px; }
.faq code { font-family: var(--mono); font-size: 13px; }
footer { border-top: 1px solid var(--line); padding: 20px 0 40px; color: var(--muted); font-size: 13px; }
footer p { margin: 6px 0; }
footer a { color: var(--muted); }

/* mobile sticky subscribe */
@media (max-width: 899px) {
  .sub-main { position: sticky; bottom: 12px; z-index: 4; background: var(--card); padding: 10px; border-radius: 14px; border: 1px solid var(--line); box-shadow: 0 8px 28px rgba(0,0,0,0.14); }
  .events { max-height: 380px; }
}
@media (prefers-reduced-motion: reduce) { .bar { transition: none; } }