.supporters-page {
  --sp-black: #0f0f0f;
  --sp-ink: #252525;
  --sp-muted: #6f6f6b;
  --sp-paper: #f7f7f5;
  --sp-warm: #efeee9;
  --sp-line: #deded9;
  background: #fff;
  color: var(--sp-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif;
  font-feature-settings: "palt";
  font-weight: 500;
  letter-spacing: .02em;
}

html:has(.supporters-page) { scroll-behavior: smooth; }

.supporters-page *,
.supporters-page *::before,
.supporters-page *::after {
  box-sizing: border-box;
}

.supporters-page a { color: inherit; }
.supporters-page p { margin-top: 0; }

.supporters-container {
  width: min(1120px, calc(100% - 48px));
  margin-inline: auto;
}

.supporters-hero {
  display: flex;
  align-items: center;
  min-height: min(760px, calc(100svh - 56px));
  padding: clamp(6.5rem, 12vw, 9rem) 0 clamp(5.5rem, 10vw, 8rem);
  background: var(--sp-paper);
  text-align: center;
}

.supporters-hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.supporters-hero__mark {
  width: 38px;
  height: auto;
  margin-bottom: 1.5rem;
}

.supporters-eyebrow,
.supporters-section-label,
.supporters-plan__name,
.supporters-plan__recommended,
.supporters-tab,
.supporters-button,
.supporters-use-grid span {
  font-family: Arial, "Helvetica Neue", sans-serif;
}

.supporters-eyebrow,
.supporters-section-label {
  margin-bottom: 1.35rem;
  color: #969690;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.supporters-hero h1,
.supporters-section h2,
.supporters-final h2 {
  color: var(--sp-black);
  font-weight: 700;
  letter-spacing: .035em;
}

.supporters-hero h1 {
  margin: 0;
  font-size: clamp(2.25rem, 4.2vw, 3.55rem);
  line-height: 1.42;
}

.supporters-hero__lead {
  margin: 2rem 0 0;
  color: #4f4f4b;
  font-size: clamp(.94rem, 1.35vw, 1.05rem);
  line-height: 2.05;
}

.supporters-hero__note {
  margin: 1rem 0 0;
  color: #8a8a84;
  font-size: .78rem;
}

.supporters-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 52px;
  padding: .85rem 1.15rem;
  border: 1px solid var(--sp-black);
  border-radius: 0;
  background: var(--sp-black);
  color: #fff !important;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .07em;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease, opacity .2s ease;
}

.supporters-button:hover {
  background: #393939;
  color: #fff;
}

.supporters-button--hero {
  width: min(100%, 360px);
  margin-top: 2.3rem;
}

.supporters-section {
  padding: clamp(5.25rem, 9vw, 7.5rem) 0;
  border-top: 1px solid var(--sp-line);
}

.supporters-section h2,
.supporters-final h2 {
  margin: 0;
  font-size: clamp(2rem, 3.4vw, 2.85rem);
  line-height: 1.48;
}

.supporters-section-heading { margin-bottom: 3.25rem; }
.supporters-section-heading--center { text-align: center; }
.supporters-section-heading > p:last-child {
  margin: 1rem 0 0;
  color: var(--sp-muted);
  font-size: .9rem;
}

.supporters-pricing { background: #fff; }

.supporters-notice {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  max-width: 760px;
  margin: -1rem auto 2rem;
  padding: 1rem 1.2rem;
  border: 1px solid #c9c8c1;
  background: var(--sp-paper);
  font-size: .82rem;
  line-height: 1.7;
  text-align: center;
}

.supporters-tabs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  width: min(100%, 520px);
  margin: 0 auto 3rem;
  border-bottom: 1px solid var(--sp-line);
}

.supporters-tab {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .18rem;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: .8rem 1rem;
  border: 0;
  background: transparent;
  color: #8a8a84;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .08em;
  cursor: pointer;
}

.supporters-tab__badge {
  color: #a19f97;
  font-size: .56rem;
  font-weight: 700;
  letter-spacing: .12em;
  line-height: 1;
}

.supporters-tab.is-active .supporters-tab__badge { color: var(--sp-black); }

.supporters-tab::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: transparent;
  content: "";
}

.supporters-tab.is-active { color: var(--sp-black); }
.supporters-tab.is-active::after { background: var(--sp-black); }
.supporters-tab:focus-visible { outline: 2px solid var(--sp-black); outline-offset: 3px; }
.supporters-tab-panel[hidden] { display: none !important; }

.supporters-tab-intro {
  margin-bottom: 2.5rem;
  text-align: center;
}

.supporters-tab-intro h3 {
  margin: 0 0 .7rem;
  color: var(--sp-black);
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  font-weight: 700;
  letter-spacing: .04em;
}

.supporters-tab-intro p,
.supporters-payment-note,
.supporters-login-note {
  color: var(--sp-muted);
  font-size: .78rem;
  line-height: 1.85;
}

.supporters-plan-grid {
  display: grid;
  gap: 1rem;
  align-items: stretch;
}

.supporters-plan-grid--four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.supporters-plan-grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 900px;
  margin-inline: auto;
}

.supporters-plan {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 2rem 1.35rem 1.35rem;
  border: 1px solid var(--sp-line);
  background: #fff;
}

.supporters-plan--featured {
  border-color: var(--sp-black);
  box-shadow: inset 0 3px 0 var(--sp-black);
}

.supporters-plan__recommended {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  margin: 0;
  padding: .34rem;
  background: var(--sp-black);
  color: #fff;
  font-size: .58rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-align: center;
}

.supporters-plan__name {
  margin-bottom: .65rem;
  color: #85857f;
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .12em;
}

.supporters-plan__price {
  display: flex;
  align-items: baseline;
  gap: .15rem;
  margin: 0;
  color: var(--sp-black);
  white-space: nowrap;
}

.supporters-plan__price span {
  font-size: clamp(1.65rem, 2.5vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -.02em;
}

.supporters-plan__price small {
  font-size: .7rem;
  font-weight: 700;
}

.supporters-plan__summary {
  min-height: 4.8em;
  margin: 1rem 0 0;
  color: #555550;
  font-size: .78rem;
  line-height: 1.8;
}

.supporters-plan__benefits {
  flex: 1;
  margin: 1.35rem 0 1.5rem;
  padding: 1.15rem 0 0;
  border-top: 1px solid var(--sp-line);
  list-style: none;
}

.supporters-plan__benefits li {
  position: relative;
  margin-bottom: .72rem;
  padding-left: 1em;
  color: #555550;
  font-size: .75rem;
  line-height: 1.7;
}

.supporters-plan__benefits li::before {
  position: absolute;
  left: 0;
  content: "・";
}

.supporters-plan form,
.supporters-grand form { margin: 0; }

.supporters-grand {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 7vw, 5rem);
  margin-top: 3.5rem;
  padding: clamp(2rem, 5vw, 3.5rem);
  border: 1px solid var(--sp-black);
  background: var(--sp-black);
  color: #fff;
}

.supporters-grand .supporters-section-label { color: rgba(255,255,255,.5); }
.supporters-grand__title h3 {
  margin: 0 0 1rem;
  color: #fff;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  letter-spacing: .01em;
}

.supporters-grand__title h3 small { margin-left: .3rem; font-size: .8rem; }
.supporters-grand__title > p:last-child { color: rgba(255,255,255,.7); font-size: .86rem; line-height: 1.9; }
.supporters-grand .supporters-plan__benefits { margin-top: 0; border-color: rgba(255,255,255,.18); }
.supporters-grand .supporters-plan__benefits li { color: rgba(255,255,255,.76); }
.supporters-grand .supporters-button { border-color: #fff; background: #fff; color: var(--sp-black) !important; }
.supporters-grand .supporters-button:hover { background: transparent; color: #fff !important; }

.supporters-login-note,
.supporters-payment-note {
  margin: 1.4rem auto 0;
  text-align: center;
}

.supporters-payment-note { max-width: 700px; margin-top: 2rem; }

.supporters-two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(3rem, 6vw, 5.5rem);
}

.supporters-two-column h2 { font-size: clamp(1.95rem, 2.8vw, 2.5rem); }

.supporters-prose { max-width: 650px; }
.supporters-prose p {
  margin-bottom: 1.55em;
  color: #555550;
  font-size: .95rem;
  line-height: 2.08;
}
.supporters-prose p:last-child { margin-bottom: 0; }

.supporters-use,
.supporters-faq { background: var(--sp-paper); }

.supporters-use-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--sp-line);
  border-bottom: 1px solid var(--sp-line);
}

.supporters-use-grid article { padding: 1.75rem 1.4rem 2rem; border-left: 1px solid var(--sp-line); }
.supporters-use-grid article:first-child { border-left: 0; }
.supporters-use-grid span { color: #aaa9a2; font-size: .65rem; font-weight: 700; letter-spacing: .12em; }
.supporters-use-grid h3 { margin: 1rem 0 .8rem; font-size: 1rem; font-weight: 700; }
.supporters-use-grid p { margin: 0; color: #666660; font-size: .8rem; line-height: 1.85; }

.supporters-journey {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(.75rem, 2vw, 1.5rem);
  margin: 3rem 0 0;
  color: #4f4f4b;
  font-size: .82rem;
  letter-spacing: .08em;
}
.supporters-journey i { color: #aaa9a2; font-style: normal; }

.supporters-credit { background: var(--sp-black); color: #fff; }
.supporters-credit h2 { color: #fff; }
.supporters-credit .supporters-section-label { color: rgba(255,255,255,.46); }
.supporters-credit .supporters-prose p { color: rgba(255,255,255,.72); }
.supporters-credit-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  margin-top: clamp(3.5rem, 7vw, 5.5rem);
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,.18);
}
.supporters-credit-group h3 { margin: 0 0 .75rem; color: rgba(255,255,255,.48); font-family: Arial, "Helvetica Neue", sans-serif; font-size: .65rem; font-weight: 700; letter-spacing: .14em; }
.supporters-credit-group p { margin: 0; color: rgba(255,255,255,.84); font-size: .84rem; line-height: 1.9; }

.supporters-compare-wrap { overflow-x: auto; }
.supporters-compare {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  color: #4f4f4b;
  font-size: .82rem;
}
.supporters-compare th,
.supporters-compare td { padding: 1.15rem 1.25rem; border-bottom: 1px solid var(--sp-line); text-align: left; }
.supporters-compare thead th { color: var(--sp-black); font-size: .72rem; letter-spacing: .08em; }
.supporters-compare tbody th { width: 18%; color: #8a8a84; font-size: .7rem; letter-spacing: .08em; }
.supporters-compare-note { margin: 1.2rem 0 0; color: #8a8a84; font-size: .72rem; }

.supporters-faq__list { border-top: 1px solid var(--sp-line); }
.supporters-faq details { border-bottom: 1px solid var(--sp-line); }
.supporters-faq summary {
  position: relative;
  padding: 1.35rem 2.5rem 1.35rem 0;
  color: var(--sp-black);
  font-size: .9rem;
  font-weight: 700;
  line-height: 1.7;
  list-style: none;
  cursor: pointer;
}
.supporters-faq summary::-webkit-details-marker { display: none; }
.supporters-faq summary::after { position: absolute; top: 1.3rem; right: .25rem; color: #999; content: "+"; font-size: 1.25rem; font-weight: 400; }
.supporters-faq details[open] summary::after { content: "−"; }
.supporters-faq details p { margin: -.2rem 0 1.4rem; color: #666660; font-size: .82rem; line-height: 1.95; }
.supporters-faq details a { border-bottom: 1px solid #888; text-decoration: none; }

.supporters-final {
  padding: clamp(6rem, 11vw, 9rem) 0;
  background: var(--sp-black);
  color: #fff;
  text-align: center;
}
.supporters-final h2 { color: #fff; }
.supporters-final .supporters-section-label { color: rgba(255,255,255,.46); }
.supporters-final__inner > p:not(.supporters-section-label) { margin: 1.5rem 0 0; color: rgba(255,255,255,.66); font-size: .9rem; line-height: 2; }
.supporters-button--light { width: min(100%, 360px); margin-top: 2.2rem; border-color: #fff; background: #fff; color: var(--sp-black) !important; }
.supporters-button--light:hover { background: transparent; color: #fff !important; }

/* WooCommerce Checkout: supporter-only cart */
body.skw-supporter-checkout { background: var(--sp-paper, #f7f7f5); }
body.skw-supporter-checkout .woocommerce { width: min(960px, calc(100% - 32px)); margin: 0 auto; padding: 80px 0 100px; }
body.skw-supporter-checkout .woocommerce h3 { font-size: clamp(1.35rem, 2.5vw, 1.8rem); font-weight: 700; }
body.skw-supporter-checkout .woocommerce form .form-row label { font-size: .78rem; font-weight: 700; }
body.skw-supporter-checkout .woocommerce input.input-text,
body.skw-supporter-checkout .woocommerce textarea { min-height: 48px; padding: 10px 12px; border: 1px solid #cbc9c2; border-radius: 0; background: #fff; }
body.skw-supporter-checkout .woocommerce textarea { min-height: 110px; }
body.skw-supporter-checkout .woocommerce #place_order { min-height: 54px; border-radius: 0; background: #0f0f0f; font-size: .84rem; font-weight: 700; }
.skw-supporter-fields { margin: 2.5rem 0; padding: 1.5rem; border: 1px solid #deded9; background: #fff; }
.skw-supporter-fields h3 { margin-top: 0; }
.skw-supporter-fields__note { color: #777; font-size: .75rem; line-height: 1.75; }
.skw-supporter-fields .optional { display: none; }

@media (max-width: 991px) {
  .supporters-plan-grid--four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .supporters-use-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .supporters-use-grid article:nth-child(3) { border-top: 1px solid var(--sp-line); border-left: 0; }
  .supporters-use-grid article:nth-child(4) { border-top: 1px solid var(--sp-line); }
}

@media (max-width: 767px) {
  .supporters-container { width: min(100% - 32px, 1120px); }
  .supporters-hero { min-height: auto; padding: 7rem 0 6rem; }
  .supporters-hero h1 { font-size: clamp(2rem, 9.7vw, 2.65rem); line-height: 1.45; }
  .supporters-section { padding: 5rem 0; }
  .supporters-section h2,
  .supporters-final h2 { font-size: clamp(1.8rem, 8vw, 2.3rem); }
  .supporters-tabs { margin-bottom: 2.4rem; }
  .supporters-plan-grid--four,
  .supporters-plan-grid--three { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
  .supporters-plan { padding: 2rem 1.4rem 1.4rem; }
  .supporters-plan__summary { min-height: 0; }
  .supporters-grand,
  .supporters-two-column { grid-template-columns: 1fr; }
  .supporters-grand { gap: 1.5rem; margin-top: 2.5rem; }
  .supporters-two-column { gap: 2.5rem; }
  .supporters-use-grid { grid-template-columns: 1fr; }
  .supporters-use-grid article { border-top: 1px solid var(--sp-line); border-left: 0; }
  .supporters-use-grid article:first-child { border-top: 0; }
  .supporters-use-grid article:nth-child(3) { border-top: 1px solid var(--sp-line); }
  .supporters-journey { flex-wrap: wrap; }
  .supporters-journey span { white-space: nowrap; }
  .supporters-credit-list { grid-template-columns: 1fr; }
  body.skw-supporter-checkout .woocommerce { padding-top: 60px; }
}

@media (prefers-reduced-motion: reduce) {
  .supporters-button { transition: none; }
  html { scroll-behavior: auto !important; }
}
