:root {
  font-family: Nunito, "Noto Sans JP", system-ui, sans-serif;
  color: #342935;
  background: #fff8fb;
  --accent: #8d3763;
  --border: #eddce6;
}
* { box-sizing: border-box; }
body { margin: 0; }
[hidden] { display: none !important; }
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px max(20px, calc((100vw - 650px) / 2));
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.brand { display: inline-flex; align-items: center; gap: 9px; color: #48283d; text-decoration: none; font-weight: 800; letter-spacing: .08em; }
.brand img { display: block; }
.header-actions { justify-content: flex-end; }
.header-actions button { white-space: nowrap; }
@media (max-width: 420px) {
  header { gap: 8px; padding-inline: 12px; }
  .header-actions button { padding: 8px 10px; font-size: .85rem; }
}
main { max-width: 690px; margin: auto; padding: 0 20px 64px; }
.intro { text-align: center; padding: 50px 0 14px; }
.intro h1 { font-size: clamp(2.1rem, 6vw, 3rem); line-height: 1.25; margin: 8px 0; color: #48283d; }
.intro p { margin: 9px 0; color: #63535e; }
.eyebrow { font-size: .85rem; font-weight: 750; letter-spacing: .07em; }
.demo { background: #f8e8f0; border-radius: 12px; padding: 11px 15px; font-size: .85rem; }
.panel { background: #fff; border: 1px solid var(--border); border-radius: 20px; margin-top: 16px; padding: clamp(18px, 5vw, 29px); }
.panel h2, dialog h2 { margin: 0 0 16px; font-size: 1.2rem; }
.visit-rules summary { cursor: pointer; color: var(--accent); font-weight: 750; }
.visit-rules ul { padding-inline-start: 1.35rem; }
.visit-rules li { margin-block: 8px; line-height: 1.65; }
.visit-rules a { color: var(--accent); }
form, label { display: grid; gap: 13px; }
label { gap: 6px; font-weight: 650; font-size: .94rem; }
input { width: 100%; color: inherit; background: #fffcfe; border: 1px solid #d9bfce; border-radius: 11px; padding: 11px; font: inherit; }
button { justify-self: start; cursor: pointer; color: #fff; background: var(--accent); border: 1px solid transparent; border-radius: 999px; padding: 10px 16px; font: inherit; font-weight: 700; }
.secondary { background: #fff; color: var(--accent); border-color: #d9bfce; }
button:focus-visible, input:focus-visible, a:focus-visible { outline: 3px solid #c55385; outline-offset: 2px; }
.row { display: grid; gap: 8px; padding: 14px 0; border-top: 1px solid var(--border); }
.row p { margin: 0; }
.visit-report { border: 1px solid var(--border); border-radius: 12px; padding: 12px; overflow-wrap: anywhere; }
.visit-report summary { cursor: pointer; font-weight: 700; color: var(--accent); }
.member-dialog .visit-report form { display: grid; margin-top: 10px; }
.visit-report textarea { width: 100%; resize: vertical; border: 1px solid #d9bfce; border-radius: 11px; padding: 11px; font: inherit; }
.visit-report img { display: block; max-width: 100%; max-height: 360px; object-fit: contain; }
.visit-report .report-text { white-space: pre-wrap; }
.actions, dialog form { display: flex; flex-wrap: wrap; gap: 8px; }
.state, #joinStatus, #bookingStatus { color: var(--accent); font-weight: 700; }
#joinStatus:empty, #bookingStatus:empty { display: none; }
#joinStatus, #bookingStatus { margin: 0; }
.member-dialog #joinForm { display: grid; }
.booking-footer { margin-top: 16px; }
.visit-choice { margin-block: 10px; }
.visit-choice select { min-width: 0; width: 100%; border: 1px solid #d9bfce; border-radius: 11px; padding: 10px 6px; background: #fffcfe; color: inherit; font: inherit; }
dialog { width: min(490px, calc(100% - 32px)); border: 1px solid var(--border); border-radius: 20px; padding: 24px; color: inherit; }
dialog::backdrop { background: #36203075; }
.contact { margin-top: 24px; text-align: center; font-size: .9rem; }
.contact a { color: var(--accent); }