/* =========================================================
   Donation / Sponsorship Page
   寄付・広告協賛募集ページ専用CSS
   想定配置: ../../common/CSS/donation-sponsor.css
========================================================= */

.donation-page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 24px 72px;
  color: #2f3a33;
  line-height: 1.9;
}

.donation-page * {
  box-sizing: border-box;
}

.donation-page p {
  margin: 0;
}

.donation-page a {
  text-decoration: none;
}

.donation-hero {
  position: relative;
  overflow: hidden;
  padding: 64px 56px;
  border-radius: 28px;
  background:
    radial-gradient(circle at top right, rgba(127, 203, 163, 0.36), transparent 34%),
    linear-gradient(135deg, #f0fff7 0%, #ffffff 54%, #f8fbef 100%);
  border: 1px solid rgba(79, 163, 116, 0.18);
  box-shadow: 0 18px 45px rgba(43, 102, 67, 0.10);
}

.donation-hero::before {
  content: "";
  position: absolute;
  width: 230px;
  height: 230px;
  left: -96px;
  bottom: -110px;
  border-radius: 50%;
  background: rgba(255, 210, 92, 0.22);
}

.donation-hero__eyebrow,
.donation-section-heading__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  color: #2d8a57;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.donation-hero__eyebrow::before,
.donation-section-heading__label::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 2px;
  border-radius: 999px;
  background: #2d8a57;
}

.donation-hero__title {
  margin: 0 0 22px;
  color: #173f29;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.35;
  letter-spacing: 0.03em;
}

.donation-hero__lead {
  max-width: 800px;
  color: #46554b;
  font-size: 1.06rem;
  font-weight: 500;
}

.donation-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.donation-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 700;
  line-height: 1.4;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.donation-btn:hover {
  transform: translateY(-2px);
  opacity: 0.92;
}

.donation-btn--primary {
  color: #fff;
  background: linear-gradient(135deg, #20824f 0%, #46b574 100%);
  box-shadow: 0 10px 22px rgba(32, 130, 79, 0.22);
}

.donation-btn--secondary {
  color: #20824f;
  background: #fff;
  border: 1px solid rgba(32, 130, 79, 0.28);
}

.donation-btn--large {
  width: 100%;
  max-width: 320px;
  min-height: 56px;
  font-size: 1.05rem;
}

.donation-section-heading {
  margin-bottom: 22px;
}

.donation-section-heading h2,
.donation-method h2,
.donation-notice h2 {
  margin: 0;
  color: #173f29;
  font-size: clamp(1.55rem, 2.6vw, 2.25rem);
  line-height: 1.45;
}

.donation-message,
.donation-use,
.donation-notice,
.donation-closing {
  margin-top: 56px;
}

.donation-message {
  padding: 0 8px;
}

.donation-message p + p {
  margin-top: 18px;
}

.donation-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 48px;
}

.donation-card {
  padding: 28px 24px;
  border-radius: 22px;
  background: #fff;
  border: 1px solid rgba(79, 163, 116, 0.16);
  box-shadow: 0 12px 34px rgba(40, 83, 55, 0.08);
}

.donation-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 16px;
  border-radius: 16px;
  color: #20824f;
  background: #eefaf3;
  font-size: 1.35rem;
}

.donation-card h3,
.donation-use__item h3 {
  margin: 0 0 10px;
  color: #173f29;
  font-size: 1.12rem;
  line-height: 1.55;
}

.donation-card p,
.donation-use__item p,
.donation-method p,
.donation-notice li,
.donation-closing p {
  color: #536157;
  font-size: 0.98rem;
}

.donation-use {
  padding: 42px;
  border-radius: 26px;
  background: #f7fbf4;
}

.donation-use__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.donation-use__item {
  position: relative;
  padding: 26px 24px 24px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid rgba(79, 163, 116, 0.14);
}

.donation-use__number {
  display: inline-block;
  margin-bottom: 8px;
  color: #8ab89b;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.donation-method {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 34px;
  align-items: center;
  margin-top: 56px;
  padding: 40px;
  border-radius: 26px;
  color: #fff;
  background: linear-gradient(135deg, #17482d 0%, #2f8b58 100%);
  box-shadow: 0 18px 42px rgba(26, 76, 45, 0.18);
}

.donation-method .donation-section-heading__label,
.donation-method h2,
.donation-method p {
  color: #fff;
}

.donation-method .donation-section-heading__label::before {
  background: #fff;
}

.donation-method h2 {
  margin-bottom: 14px;
}

.donation-method__note {
  margin-top: 16px !important;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.9rem !important;
}

.donation-method__cta {
  padding: 26px 22px;
  border-radius: 22px;
  text-align: center;
  background: rgba(255, 255, 255, 0.13);
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.donation-method__cta p {
  margin-top: 12px;
  font-size: 0.9rem;
}

.donation-notice {
  padding: 30px 34px;
  border-radius: 22px;
  background: #fffdf5;
  border: 1px solid rgba(214, 162, 54, 0.20);
}

.donation-notice ul {
  margin: 18px 0 0;
  padding-left: 1.2em;
}

.donation-notice li + li {
  margin-top: 8px;
}

.donation-closing {
  padding: 34px 36px;
  border-radius: 24px;
  text-align: center;
  background: #ffffff;
  border: 1px solid rgba(79, 163, 116, 0.14);
  box-shadow: 0 10px 28px rgba(40, 83, 55, 0.07);
}

.donation-closing p {
  max-width: 780px;
  margin: 0 auto;
  font-weight: 600;
}

.donation-closing p + p {
  margin-top: 14px;
  color: #20824f;
  font-size: 1.05rem;
}

.donation-share {
  justify-content: center;
  margin-top: 38px;
}

@media screen and (max-width: 960px) {
  .donation-page {
    padding: 32px 20px 64px;
  }

  .donation-hero {
    padding: 52px 38px;
  }

  .donation-cards {
    grid-template-columns: 1fr;
  }

  .donation-method {
    grid-template-columns: 1fr;
  }

  .donation-method__cta {
    max-width: 420px;
    width: 100%;
    margin: 0 auto;
  }
}

@media screen and (max-width: 767px) {
  .donation-page {
    padding: 24px 14px 52px;
    line-height: 1.8;
  }

  .donation-hero {
    padding: 38px 22px;
    border-radius: 22px;
  }

  .donation-hero__title {
    margin-bottom: 18px;
  }

  .donation-hero__lead {
    font-size: 0.98rem;
  }

  .donation-hero__actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 26px;
  }

  .donation-btn {
    width: 100%;
    min-height: 50px;
    padding: 12px 18px;
  }

  .donation-message,
  .donation-use,
  .donation-notice,
  .donation-closing {
    margin-top: 42px;
  }

  .donation-message {
    padding: 0 2px;
  }

  .donation-cards {
    gap: 16px;
    margin-top: 38px;
  }

  .donation-card {
    padding: 24px 20px;
    border-radius: 18px;
  }

  .donation-use {
    padding: 28px 18px;
    border-radius: 22px;
  }

  .donation-use__grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .donation-use__item {
    padding: 22px 18px;
  }

  .donation-method {
    margin-top: 42px;
    padding: 30px 20px;
    border-radius: 22px;
  }

  .donation-method__cta {
    padding: 22px 16px;
  }

  .donation-notice {
    padding: 24px 20px;
  }

  .donation-notice ul {
    padding-left: 1.1em;
  }

  .donation-closing {
    padding: 28px 20px;
    text-align: left;
  }

  .donation-closing p {
    font-size: 0.98rem;
  }

  .donation-share.SNS-share {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .donation-share .X-post,
  .donation-share .facebook-share {
    width: 100%;
    justify-content: center;
  }
}

@media screen and (max-width: 420px) {
  .donation-page {
    padding-left: 10px;
    padding-right: 10px;
  }

  .donation-hero {
    padding: 32px 18px;
  }

  .donation-card__icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    font-size: 1.18rem;
  }

  .donation-section-heading h2,
  .donation-method h2,
  .donation-notice h2 {
    font-size: 1.38rem;
  }
}

/* =========================================================
   Donation + Corporate Sponsorship additions
   寄付・協賛スポンサー企業募集 追記スタイル
========================================================= */

.support-overview {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 32px;
}

.support-overview__card {
  display: block;
  min-height: 190px;
  padding: 30px 28px;
  border-radius: 24px;
  color: #2f3a33;
  background: #ffffff;
  border: 1px solid rgba(79, 163, 116, 0.16);
  box-shadow: 0 12px 34px rgba(40, 83, 55, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.support-overview__card:hover {
  transform: translateY(-3px);
  border-color: rgba(32, 130, 79, 0.32);
  box-shadow: 0 18px 42px rgba(40, 83, 55, 0.12);
}

.support-overview__card--sponsor {
  background:
    radial-gradient(circle at top right, rgba(255, 207, 86, 0.18), transparent 40%),
    #ffffff;
}

.support-overview__label {
  display: inline-block;
  margin-bottom: 10px;
  color: #2d8a57;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.10em;
}

.support-overview h2 {
  margin: 0 0 10px;
  color: #173f29;
  font-size: 1.36rem;
  line-height: 1.45;
}

.support-overview p {
  color: #536157;
  font-size: 0.97rem;
}

.sponsor-intro,
.sponsor-benefits,
.sponsor-plans,
.sponsor-flow,
.sponsor-policy,
.sponsor-contact {
  margin-top: 56px;
}

.sponsor-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 34px;
  align-items: center;
  padding: 44px;
  border-radius: 28px;
  background:
    radial-gradient(circle at bottom right, rgba(127, 203, 163, 0.22), transparent 34%),
    linear-gradient(135deg, #ffffff 0%, #f4fbf2 100%);
  border: 1px solid rgba(79, 163, 116, 0.18);
  box-shadow: 0 14px 36px rgba(40, 83, 55, 0.08);
}

.sponsor-intro h2,
.sponsor-plans__heading h2,
.sponsor-flow h2,
.sponsor-benefits h2,
.sponsor-contact h2,
.sponsor-policy h2 {
  margin: 0;
  color: #173f29;
  font-size: clamp(1.55rem, 2.6vw, 2.25rem);
  line-height: 1.45;
}

.sponsor-intro p,
.sponsor-plans__heading p,
.sponsor-contact p,
.sponsor-flow p,
.sponsor-benefit-card p,
.sponsor-policy li,
.sponsor-plan-card li,
.sponsor-plan-card__year {
  color: #536157;
  font-size: 0.98rem;
}

.sponsor-intro p + p {
  margin-top: 16px;
}

.sponsor-intro__badge {
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  color: #ffffff;
  text-align: center;
  background: linear-gradient(135deg, #1d7748 0%, #50b875 100%);
  box-shadow: 0 18px 38px rgba(32, 130, 79, 0.22);
}

.sponsor-intro__badge span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.sponsor-intro__badge strong {
  display: block;
  font-size: 1.22rem;
  line-height: 1.3;
  letter-spacing: 0.04em;
}

.sponsor-benefits__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.sponsor-benefit-card {
  padding: 26px 24px;
  border-radius: 22px;
  background: #ffffff;
  border: 1px solid rgba(79, 163, 116, 0.16);
  box-shadow: 0 12px 34px rgba(40, 83, 55, 0.07);
}

.sponsor-benefit-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  margin-bottom: 14px;
  border-radius: 16px;
  color: #20824f;
  background: #eefaf3;
  font-size: 1.25rem;
}

.sponsor-benefit-card h3 {
  margin: 0 0 10px;
  color: #173f29;
  font-size: 1.08rem;
  line-height: 1.5;
}

.sponsor-plans {
  padding: 44px;
  border-radius: 28px;
  background: #f7fbf4;
}

.sponsor-plans__heading {
  max-width: 820px;
  margin-bottom: 26px;
}

.sponsor-plan-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

.sponsor-plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 24px 26px;
  border-radius: 24px;
  background: #ffffff;
  border: 1px solid rgba(79, 163, 116, 0.16);
  box-shadow: 0 12px 34px rgba(40, 83, 55, 0.08);
}

.sponsor-plan-card--featured {
  border: 2px solid rgba(32, 130, 79, 0.48);
  transform: translateY(-8px);
  box-shadow: 0 20px 44px rgba(32, 130, 79, 0.14);
}

.sponsor-plan-card__badge {
  position: absolute;
  top: -15px;
  right: 20px;
  margin: 0;
  padding: 6px 14px;
  border-radius: 999px;
  color: #ffffff;
  background: #20824f;
  font-size: 0.78rem;
  font-weight: 800;
}

.sponsor-plan-card__rank {
  margin: 0 0 10px;
  color: #2d8a57;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.sponsor-plan-card h3 {
  margin: 0;
  color: #173f29;
  font-size: 1.7rem;
  line-height: 1.35;
}

.sponsor-plan-card__year {
  margin-top: 4px !important;
  font-weight: 700;
}

.sponsor-plan-card ul {
  margin: 22px 0 0;
  padding-left: 1.15em;
}

.sponsor-plan-card li + li {
  margin-top: 8px;
}

.sponsor-flow {
  padding: 40px;
  border-radius: 28px;
  background: #ffffff;
  border: 1px solid rgba(79, 163, 116, 0.14);
  box-shadow: 0 12px 34px rgba(40, 83, 55, 0.07);
}

.sponsor-flow__list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sponsor-flow__list li {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 20px;
  border-radius: 18px;
  background: #f8fbf6;
}

.sponsor-flow__list span {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: #ffffff;
  background: #20824f;
  font-size: 0.86rem;
  font-weight: 800;
}

.sponsor-flow__list h3 {
  margin: 0 0 6px;
  color: #173f29;
  font-size: 1.05rem;
}

.sponsor-policy {
  padding: 30px 34px;
  border-radius: 22px;
  background: #fffdf5;
  border: 1px solid rgba(214, 162, 54, 0.20);
}

.sponsor-policy ul {
  margin: 18px 0 0;
  padding-left: 1.2em;
}

.sponsor-policy li + li {
  margin-top: 8px;
}

.sponsor-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 34px;
  align-items: center;
  padding: 40px;
  border-radius: 28px;
  color: #ffffff;
  background: linear-gradient(135deg, #17482d 0%, #2f8b58 100%);
  box-shadow: 0 18px 42px rgba(26, 76, 45, 0.18);
}

.sponsor-contact .donation-section-heading__label,
.sponsor-contact h2,
.sponsor-contact p {
  color: #ffffff;
}

.sponsor-contact .donation-section-heading__label::before {
  background: #ffffff;
}

.sponsor-contact h2 {
  margin-bottom: 14px;
}

.sponsor-contact__actions {
  padding: 26px 22px;
  border-radius: 22px;
  text-align: center;
  background: rgba(255, 255, 255, 0.13);
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.sponsor-contact__actions p {
  margin-top: 12px;
  font-size: 0.9rem;
}

@media screen and (max-width: 960px) {
  .support-overview,
  .sponsor-intro,
  .sponsor-contact {
    grid-template-columns: 1fr;
  }

  .sponsor-intro__badge {
    width: 220px;
    margin: 0 auto;
  }

  .sponsor-benefits__grid,
  .sponsor-plan-grid {
    grid-template-columns: 1fr;
  }

  .sponsor-plan-card--featured {
    transform: none;
  }

  .sponsor-contact__actions {
    max-width: 420px;
    width: 100%;
    margin: 0 auto;
  }
}

@media screen and (max-width: 767px) {
  .support-overview {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 24px;
  }

  .support-overview__card {
    min-height: auto;
    padding: 24px 20px;
    border-radius: 20px;
  }

  .sponsor-intro,
  .sponsor-benefits,
  .sponsor-plans,
  .sponsor-flow,
  .sponsor-policy,
  .sponsor-contact {
    margin-top: 42px;
  }

  .sponsor-intro,
  .sponsor-plans,
  .sponsor-flow,
  .sponsor-contact {
    padding: 28px 18px;
    border-radius: 22px;
  }

  .sponsor-intro__badge {
    width: 180px;
  }

  .sponsor-intro__badge strong {
    font-size: 1.02rem;
  }

  .sponsor-benefits__grid,
  .sponsor-plan-grid {
    gap: 16px;
  }

  .sponsor-benefit-card,
  .sponsor-plan-card {
    padding: 24px 20px;
    border-radius: 20px;
  }

  .sponsor-plan-card h3 {
    font-size: 1.45rem;
  }

  .sponsor-flow__list li {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 14px;
    padding: 18px 16px;
  }

  .sponsor-flow__list span {
    width: 40px;
    height: 40px;
    font-size: 0.78rem;
  }

  .sponsor-policy {
    padding: 24px 20px;
  }

  .sponsor-policy ul {
    padding-left: 1.1em;
  }

  .sponsor-contact__actions {
    padding: 22px 16px;
  }
}

@media screen and (max-width: 420px) {
  .support-overview h2,
  .sponsor-intro h2,
  .sponsor-plans__heading h2,
  .sponsor-flow h2,
  .sponsor-benefits h2,
  .sponsor-contact h2,
  .sponsor-policy h2 {
    font-size: 1.38rem;
  }
}