/* CELULA LP 共通スタイル (相手別ページ /study /office /room で共有)。
   色は各ページの :root で上書きする (--bg --panel --ink --dim --line --accent --accent-soft --gold)。 */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans JP", sans-serif;
  font-size: 15.5px;
  line-height: 1.95;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: anywhere;
}
.wrap { max-width: 680px; margin: 0 auto; padding: 0 20px; }
section { padding: 56px 0; }
section + section { border-top: 1px solid var(--line); }

h1, h2, .serif { font-family: "Shippori Mincho B1", serif; }
h2 { font-size: 21px; line-height: 1.6; margin-bottom: 22px; letter-spacing: .02em; }
h2 .no {
  display: block; font-size: 11px; letter-spacing: .28em; color: var(--gold);
  font-family: "Noto Sans JP", sans-serif; font-weight: 700; margin-bottom: 8px;
}
p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }
.dim { color: var(--dim); font-size: 13.5px; }
.nb { display: inline-block; }

/* ---- hero ---- */
.hero { padding: 64px 0 56px; }
.brand { display: flex; align-items: center; gap: 12px; font-size: 12px; letter-spacing: .5em; color: var(--gold); font-weight: 700; margin-bottom: 26px; }
.brand .for { letter-spacing: .12em; font-size: 11px; color: var(--dim); font-weight: 500; border: 1px solid var(--line); border-radius: 999px; padding: 1px 10px; }
.hero h1 { font-size: clamp(26px, 7.2vw, 37px); line-height: 1.55; letter-spacing: .01em; margin-bottom: 18px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .sub { font-size: 15px; font-weight: 700; margin-bottom: 10px; }
.hero .lead { color: var(--dim); font-size: 14px; margin-bottom: 28px; }

.price-peek { border: 1px solid var(--line); border-radius: 14px; background: var(--panel); padding: 16px 18px; margin-bottom: 26px; }
.price-peek .cap { font-size: 11.5px; letter-spacing: .12em; color: var(--dim); margin-bottom: 8px; }
.price-row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 5px 0; }
.price-row + .price-row { border-top: 1px dashed var(--line); }
.price-row .plan { font-size: 13.5px; min-width: 0; }
.price-row .plan small { display: block; font-size: 11.5px; color: var(--dim); line-height: 1.6; }
.price-row .yen { font-family: "Shippori Mincho B1", serif; font-size: 17px; white-space: nowrap; }
.price-row .yen small { font-size: 11.5px; color: var(--dim); font-family: "Noto Sans JP", sans-serif; }

.cta { display: block; width: 100%; border: none; cursor: pointer; text-align: center; text-decoration: none;
  background: var(--accent); color: var(--on-accent, #fff); border-radius: 999px;
  padding: 17px 20px; font-size: 16px; font-weight: 700; font-family: inherit;
  box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 30%, transparent); }
.cta:active { opacity: .85; }
.cta-note { text-align: center; font-size: 12px; color: var(--dim); margin-top: 10px; }
.cta-note b { color: var(--gold); }

.motif { display: block; width: 100%; max-width: 420px; margin: 34px auto 0; }
.motif .st { stroke: var(--ink); stroke-width: 2.2; fill: none; stroke-linecap: round; stroke-linejoin: round; opacity: .82; }
.motif .ac { stroke: var(--accent); opacity: 1; }
.motif .fill { fill: var(--accent-soft); stroke: none; }
.motif .txt { fill: var(--ink); font-family: "Shippori Mincho B1", serif; }
.motif .txt-ac { fill: var(--accent); font-family: "Noto Sans JP", sans-serif; font-weight: 700; }

/* ---- empathy ---- */
.empathy li { list-style: none; position: relative; padding: 10px 0 10px 30px; }
.empathy li + li { border-top: 1px dashed var(--line); }
.empathy li::before { content: "✕"; position: absolute; left: 4px; top: 10px; color: var(--gold); font-size: 13px; font-weight: 700; }
.turn { margin-top: 26px; border-left: 3px solid var(--accent); background: var(--accent-soft);
  border-radius: 0 12px 12px 0; padding: 16px 18px; font-size: 15px; }
.turn b { color: var(--accent); }

/* ---- cards ---- */
.cards { display: grid; gap: 12px; }
.card { border: 1px solid var(--line); border-radius: 14px; background: var(--panel); padding: 18px 18px 15px; }
.card h3 { font-size: 15px; margin-bottom: 6px; display: flex; align-items: center; gap: 9px; }
.card h3 .ic { flex: none; width: 30px; height: 30px; border-radius: 9px; background: var(--accent-soft);
  color: var(--accent); display: grid; place-items: center; font-size: 15px; }
.card p { font-size: 13.5px; color: var(--dim); line-height: 1.85; }

/* ---- audience ---- */
.aud li { list-style: none; position: relative; padding: 9px 0 9px 30px; }
.aud li::before { content: "◆"; position: absolute; left: 4px; top: 9px; color: var(--accent); font-size: 11px; }

/* ---- plans ---- */
.plan-card { border: 1.5px solid var(--line); border-radius: 16px; background: var(--panel); padding: 22px 20px; position: relative; }
.plan-card.main { border-color: var(--accent); }
.plan-card .tag { position: absolute; top: -11px; left: 18px; background: var(--accent); color: var(--on-accent, #fff);
  font-size: 11px; font-weight: 700; letter-spacing: .1em; border-radius: 999px; padding: 2px 12px; }
.plan-card + .plan-card { margin-top: 18px; }
.plan-card .nm { font-size: 15.5px; font-weight: 700; margin-bottom: 4px; }
.plan-card .ex { font-size: 12.5px; color: var(--dim); margin-bottom: 10px; }
.plan-card .pr { font-family: "Shippori Mincho B1", serif; font-size: 25px; }
.plan-card .pr small { font-size: 12.5px; font-family: "Noto Sans JP", sans-serif; color: var(--dim); }
.plan-note { margin-top: 16px; font-size: 13px; color: var(--dim); }

/* ---- compare table (office) ---- */
.cmp { width: 100%; border-collapse: separate; border-spacing: 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--panel); font-size: 13.5px; }
.cmp th, .cmp td { padding: 12px 12px; text-align: left; vertical-align: top; }
.cmp tr + tr th, .cmp tr + tr td { border-top: 1px solid var(--line); }
.cmp th { font-weight: 700; width: 38%; }
.cmp td { font-family: "Shippori Mincho B1", serif; font-size: 15px; }
.cmp td small { display: block; font-family: "Noto Sans JP", sans-serif; font-size: 11.5px; color: var(--dim); line-height: 1.6; margin-top: 2px; }
.cmp tr.us th, .cmp tr.us td { background: var(--accent-soft); color: var(--accent); }

/* ---- seven days ---- */
.days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 7px; margin: 22px 0 16px; }
.day { aspect-ratio: 1; border: 1px solid var(--line); border-radius: 11px; background: var(--panel);
  display: grid; place-items: center; font-family: "Shippori Mincho B1", serif; font-size: 15px; }
.day.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.slot-status { display: inline-block; border: 1px solid var(--line); background: var(--panel);
  border-radius: 999px; padding: 6px 16px; font-size: 13px; }
.slot-status .dot { display: inline-block; width: 8px; height: 8px; border-radius: 99px; background: var(--accent); margin-right: 8px; }

/* ---- flow ---- */
.flow { counter-reset: step; }
.flow li { list-style: none; position: relative; padding: 0 0 22px 46px; }
.flow li::before { counter-increment: step; content: counter(step);
  position: absolute; left: 0; top: 0; width: 30px; height: 30px; border-radius: 99px;
  background: var(--accent); color: var(--on-accent, #fff); font-weight: 700; font-size: 14px; display: grid; place-items: center; }
.flow li:not(:last-child)::after { content: ""; position: absolute; left: 14.5px; top: 34px; bottom: 4px; width: 1.5px; background: var(--line); }
.flow .t { font-weight: 700; font-size: 14.5px; }
.flow .d { font-size: 13px; color: var(--dim); }

/* ---- faq ---- */
details { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); padding: 0 18px; }
details + details { margin-top: 10px; }
summary { cursor: pointer; padding: 14px 26px 14px 0; font-weight: 700; font-size: 14px; list-style: none; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "＋"; position: absolute; right: 2px; top: 13px; color: var(--accent); }
details[open] summary::after { content: "−"; }
details p { font-size: 13.5px; color: var(--dim); padding-bottom: 14px; }

/* ---- closing / footer ---- */
.closing { text-align: center; padding-bottom: 64px; }
.closing .msg { font-family: "Shippori Mincho B1", serif; font-size: 18.5px; line-height: 2.1; margin-bottom: 30px; text-align: left; }
footer { border-top: 1px solid var(--line); padding: 26px 0 40px; text-align: center; }
footer .fb { font-size: 11px; letter-spacing: .4em; color: var(--gold); font-weight: 700; margin-bottom: 6px; }
footer .fd { font-size: 11.5px; color: var(--dim); }
footer .others { margin-top: 14px; font-size: 12px; display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 14px; }
footer .others a { color: var(--dim); text-decoration: underline; text-underline-offset: 3px; }
footer .others a[aria-current] { color: var(--accent); text-decoration: none; font-weight: 700; }