.tsukau-seasonal-filter {
  --seasonal-ink: var(--wp--preset--color--ink, #171717);
  --seasonal-paper: var(--wp--preset--color--surface, #fff);
  --seasonal-line: var(--wp--preset--color--line, #d2cec5);
  --seasonal-accent: var(--wp--preset--color--rust, #b5482f);
  margin: 2rem 0;
  padding: clamp(1.1rem, 3vw, 2rem);
  background: var(--seasonal-paper);
  color: var(--seasonal-ink);
  border-top: 3px solid var(--seasonal-ink);
  border-bottom: 1px solid var(--seasonal-ink);
}

.tsukau-seasonal-filter__intro {
  display: grid;
  grid-template-columns: minmax(8rem, 0.3fr) minmax(0, 1fr);
  gap: 0.35rem 2rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--seasonal-line);
}

.tsukau-seasonal-filter__intro h3,
.tsukau-seasonal-filter__intro p { margin: 0; }
.tsukau-seasonal-filter__intro h3 { font-size: clamp(1.25rem, 1rem + 0.9vw, 1.75rem); }
.tsukau-seasonal-filter__intro > p:last-child { grid-column: 2; color: #55524e; }
.tsukau-seasonal-filter__eyebrow,
.tsukau-seasonal-filter__result-label {
  color: var(--seasonal-accent);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.tsukau-seasonal-filter__fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1.25rem;
  border-top: 1px solid var(--seasonal-line);
  border-left: 1px solid var(--seasonal-line);
}

.tsukau-seasonal-filter__fields label {
  display: grid;
  gap: 0.55rem;
  padding: 0.95rem;
  border-right: 1px solid var(--seasonal-line);
  border-bottom: 1px solid var(--seasonal-line);
  font-size: 0.82rem;
  font-weight: 650;
}

.tsukau-seasonal-filter__fields small { color: #66635e; font-size: 0.68rem; font-weight: 400; }
.tsukau-seasonal-filter__fields select,
.tsukau-seasonal-filter__input input {
  width: 100%;
  min-height: 46px;
  padding: 0.55rem 0.65rem;
  background: transparent;
  color: var(--seasonal-ink);
  border: 1px solid #77736d;
  border-radius: 0;
  font: inherit;
}

.tsukau-seasonal-filter__fields select:focus,
.tsukau-seasonal-filter__input input:focus {
  outline: 3px solid rgba(23, 74, 114, 0.22);
  outline-offset: 2px;
}

.tsukau-seasonal-filter__input { display: flex; align-items: center; gap: 0.5rem; }
.tsukau-seasonal-filter__input b { flex: 0 0 auto; font-size: 0.72rem; font-weight: 500; }
.tsukau-seasonal-filter__submit {
  min-height: 48px;
  margin-top: 1rem;
  padding: 0.8rem 1.2rem;
  background: var(--seasonal-ink);
  color: #fff;
  border: 1px solid var(--seasonal-ink);
  border-radius: 0;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}
.tsukau-seasonal-filter__submit:hover,
.tsukau-seasonal-filter__submit:focus-visible { background: var(--seasonal-accent); border-color: var(--seasonal-accent); }
.tsukau-seasonal-filter__error { margin: 1rem 0 0; padding: 0.7rem 0.9rem; border-left: 4px solid var(--seasonal-accent); background: #f8eee9; }

.tsukau-seasonal-filter__result {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 3px solid var(--seasonal-ink);
}
.tsukau-seasonal-filter__result[hidden] { display: none; }
.tsukau-seasonal-filter__result h3 { margin: 0.25rem 0 0.55rem; font-size: clamp(1.35rem, 1.1rem + 1vw, 2rem); }
.tsukau-seasonal-filter__result > p { max-width: 52rem; }
.tsukau-seasonal-filter__costs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 1rem 0; background: var(--seasonal-ink); color: #fff; }
.tsukau-seasonal-filter__costs div { padding: 1rem; border-right: 1px solid rgba(255, 255, 255, 0.3); }
.tsukau-seasonal-filter__costs div:last-child { border-right: 0; }
.tsukau-seasonal-filter__costs span { display: block; margin-bottom: 0.25rem; font-size: 0.7rem; opacity: 0.72; }
.tsukau-seasonal-filter__costs strong { font-size: clamp(1rem, 1rem + 0.5vw, 1.35rem); font-variant-numeric: tabular-nums; }
.tsukau-seasonal-filter__basis,
.tsukau-seasonal-filter__privacy { color: #66635e; font-size: 0.72rem; line-height: 1.7; }
.tsukau-seasonal-filter__result > a { display: inline-flex; min-height: 44px; align-items: center; color: var(--seasonal-ink); font-weight: 700; text-underline-offset: 0.2em; }

@media (max-width: 680px) {
  .tsukau-seasonal-filter__intro,
  .tsukau-seasonal-filter__fields,
  .tsukau-seasonal-filter__costs { grid-template-columns: 1fr; }
  .tsukau-seasonal-filter__intro > p:last-child { grid-column: 1; }
  .tsukau-seasonal-filter__costs div { border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, 0.3); }
  .tsukau-seasonal-filter__costs div:last-child { border-bottom: 0; }
}