/*
 * SAO追加セクション専用スタイル
 * 既存の style.css には変更を加えず、sao-addon- で始まる要素だけを対象にしています。
 */

.sao-addon {
  position: relative;
  overflow: hidden;
  padding-block: clamp(72px, 9vw, 124px);
}

.sao-addon-heading {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto 48px;
  text-align: center;
}

.sao-addon-heading__overline {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  color: var(--blue-800);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.sao-addon-heading__overline::before,
.sao-addon-heading__overline::after {
  width: 34px;
  height: 2px;
  content: "";
  background: var(--orange-500);
}

.sao-addon-heading h2 {
  margin-bottom: 14px;
  color: var(--navy-900);
  font-size: clamp(30px, 4.3vw, 52px);
  line-height: 1.35;
  letter-spacing: -0.04em;
}

.sao-addon-heading > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-weight: 700;
}

.sao-addon-note {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

/* ヘッダー直下の相談導線 */
.sao-addon-header-contacts {
  border-top: 1px solid rgba(0, 146, 190, 0.12);
  background: #f4fdff;
}

.sao-addon-header-contacts__inner {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-block: 7px;
}

.sao-addon-header-contacts__lead {
  flex: 0 1 auto;
  margin: 0;
  color: var(--navy-900);
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
}

.sao-addon-header-contacts__links {
  display: grid;
  flex: 1 1 760px;
  max-width: 820px;
  grid-template-columns: 0.9fr 0.9fr 1.15fr 1.15fr;
  gap: 7px;
}

.sao-addon-contact-link {
  display: flex;
  min-height: 43px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1px;
  padding: 5px 10px;
  border-radius: 10px;
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
  transition: transform 0.18s ease, filter 0.18s ease;
}

.sao-addon-contact-link:hover,
.sao-addon-contact-link:focus-visible {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.sao-addon-contact-link strong {
  font-size: 13px;
  letter-spacing: 0.01em;
}

.sao-addon-contact-link--line {
  background: #06b94f;
}

.sao-addon-contact-link--mail {
  background: linear-gradient(180deg, #2cb9e0, #098fc5);
}

.sao-addon-contact-link--phone {
  background: var(--navy-900);
}

/* 会社設立の流れ */
.sao-addon-flow {
  background:
    radial-gradient(circle at 8% 12%, rgba(27, 183, 215, 0.13), transparent 28%),
    linear-gradient(180deg, #fff 0%, var(--blue-050) 100%);
}

.sao-addon-flow__list {
  position: relative;
  z-index: 1;
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  list-style: none;
}

.sao-addon-flow__item {
  position: relative;
  min-height: 268px;
  padding: 34px 26px 26px;
  border: 1px solid rgba(72, 190, 218, 0.34);
  border-radius: 22px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.sao-addon-flow__item::after {
  position: absolute;
  z-index: 2;
  top: 50%;
  right: -19px;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  color: #fff;
  background: var(--orange-500);
  content: "›";
  font-size: 29px;
  font-weight: 900;
  line-height: 31px;
  text-align: center;
  transform: translateY(-50%);
}

.sao-addon-flow__item:nth-child(3)::after,
.sao-addon-flow__item:last-child::after {
  display: none;
}

.sao-addon-flow__number {
  position: absolute;
  top: 14px;
  right: 18px;
  color: rgba(3, 155, 193, 0.14);
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
}

.sao-addon-flow__item svg {
  width: 54px;
  height: 54px;
  margin-bottom: 18px;
  color: var(--blue-700);
}

.sao-addon-flow__item h3 {
  margin-bottom: 10px;
  color: var(--navy-900);
  font-size: 20px;
  line-height: 1.45;
}

.sao-addon-flow__item p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.8;
}

/* 選ばれる理由 */
.sao-addon-reasons {
  background:
    radial-gradient(circle at 92% 10%, rgba(255, 169, 40, 0.12), transparent 25%),
    #fff;
    margin-top: -14rem;
}

.sao-addon-reasons__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.sao-addon-reason-card {
  position: relative;
  display: grid;
  min-height: 220px;
  align-content: center;
  padding: 34px 34px 34px 118px;
  border: 1px solid rgba(72, 190, 218, 0.34);
  border-radius: 24px;
  background: linear-gradient(135deg, #fff, var(--blue-050));
  box-shadow: var(--shadow-sm);
}

.sao-addon-reason-card__number {
  position: absolute;
  top: 18px;
  right: 22px;
  color: rgba(3, 155, 193, 0.13);
  font-size: 48px;
  font-weight: 900;
  line-height: 1;
}

.sao-addon-reason-card svg {
  position: absolute;
  top: 50%;
  left: 34px;
  width: 60px;
  height: 60px;
  color: var(--orange-500);
  transform: translateY(-50%);
}

.sao-addon-reason-card h3 {
  position: relative;
  z-index: 1;
  margin-bottom: 10px;
  color: var(--navy-900);
  font-size: clamp(18px, 2.1vw, 24px);
  line-height: 1.45;
}

.sao-addon-reason-card p {
  position: relative;
  z-index: 1;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

/* 新規セクション内の相談導線 */
.sao-addon-section-cta {
  position: relative;
  z-index: 1;
  margin-top: 42px;
  padding: 26px;
  border: 2px solid rgba(7, 169, 204, 0.3);
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow-md);
}

.sao-addon-section-cta__copy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 18px;
  color: var(--navy-900);
  text-align: center;
}

.sao-addon-section-cta__copy span {
  flex: 0 0 auto;
  padding: 5px 13px;
  border-radius: 999px;
  color: #fff;
  background: var(--orange-500);
  font-size: 13px;
  font-weight: 900;
}

.sao-addon-section-cta__copy strong {
  font-size: clamp(17px, 2vw, 23px);
}

.sao-addon-section-cta__links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.sao-addon-cta-button {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 9px 12px;
  border-radius: 12px;
  color: #fff;
  font-size: 15px;
  font-weight: 900;
  line-height: 1.3;
  text-align: center;
  box-shadow: 0 8px 18px rgba(11, 105, 137, 0.16);
  transition: transform 0.18s ease, filter 0.18s ease;
}

.sao-addon-cta-button:hover,
.sao-addon-cta-button:focus-visible {
  filter: brightness(1.05);
  transform: translateY(-2px);
}

.sao-addon-cta-button span {
  font-size: 10px;
}

.sao-addon-cta-button--line {
  background: #06b94f;
}

.sao-addon-cta-button--mail {
  background: linear-gradient(180deg, #2cb9e0, #098fc5);
}

.sao-addon-cta-button--phone {
  background: var(--navy-900);
}

/* LINE・フォームの2導線に合わせて追従CTAの空列をなくす */
body .floating-cta {
  grid-template-columns: minmax(205px, 1fr) 220px 240px;
}

@media (max-width: 1080px) {
  body .floating-cta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  body .floating-cta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 画面下部の追従導線 */
.sao-addon-floating-contact-spacer {
  height: 108px;
}

.sao-addon-floating-contact {
  position: fixed;
  z-index: 500;
  right: 18px;
  bottom: 16px;
  left: 18px;
  display: grid;
  width: min(calc(100% - 36px), 1040px);
  min-height: 76px;
  margin-inline: auto;
  padding: 10px;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 10px;
  border: 1px solid rgba(72, 190, 218, 0.45);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 18px 50px rgba(25, 52, 77, 0.26);
  backdrop-filter: blur(14px);
}

.sao-addon-floating-contact__lead {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  margin: 0;
  color: var(--navy-900);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
}

.sao-addon-floating-contact__lead strong {
  color: var(--orange-600);
  font-size: 20px;
}

.sao-addon-floating-contact__links {
  display: grid;
  grid-template-columns: 0.8fr 0.8fr 1.1fr 1.1fr;
  gap: 7px;
}

.sao-addon-floating-contact__link {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 6px 7px;
  border-radius: 11px;
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.25;
  text-align: center;
}

.sao-addon-floating-contact__link span {
  font-size: 9px;
}

.sao-addon-floating-contact__link--line {
  background: #06b94f;
}

.sao-addon-floating-contact__link--mail {
  background: linear-gradient(180deg, #2cb9e0, #098fc5);
}

.sao-addon-floating-contact__link--phone {
  background: var(--navy-900);
}

/* スクロール後の相談ポップ */
.sao-addon-scroll-popup {
  position: fixed;
  z-index: 600;
  right: 22px;
  bottom: 110px;
  width: min(360px, calc(100% - 44px));
  padding: 25px 20px 20px;
  border: 2px solid var(--blue-500);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(25, 52, 77, 0.3);
  text-align: center;
  animation: sao-addon-popup-in 0.34s ease-out both;
}

.sao-addon-scroll-popup[hidden] {
  display: none;
}

.sao-addon-scroll-popup__close {
  position: absolute;
  top: 8px;
  right: 9px;
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  color: var(--navy-900);
  background: var(--gray-100);
  cursor: pointer;
  font-size: 22px;
  line-height: 1;
}

.sao-addon-scroll-popup__eyebrow {
  margin-bottom: 2px;
  color: var(--blue-800);
  font-size: 12px;
  font-weight: 900;
}

.sao-addon-scroll-popup__title {
  margin-bottom: 2px;
  color: var(--orange-600);
  font-size: 25px;
  font-weight: 900;
}

.sao-addon-scroll-popup__text {
  margin-bottom: 14px;
  color: var(--navy-900);
  font-size: 13px;
  font-weight: 700;
}

.sao-addon-scroll-popup__links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.sao-addon-scroll-popup__link {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 6px;
  border-radius: 9px;
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  line-height: 1.2;
}

.sao-addon-scroll-popup__link span {
  font-size: 8px;
}

.sao-addon-scroll-popup__link--line {
  background: #06b94f;
}

.sao-addon-scroll-popup__link--mail {
  background: var(--blue-700);
}

.sao-addon-scroll-popup__link--phone {
  background: var(--navy-900);
}

@keyframes sao-addon-popup-in {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 900px) {
  .sao-addon-header-contacts__inner {
    display: block;
  }

  .sao-addon-header-contacts__lead {
    margin-bottom: 5px;
    text-align: center;
  }

  .sao-addon-flow__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sao-addon-flow__item:nth-child(3)::after {
    display: grid;
    place-items: center;
  }

  .sao-addon-flow__item:nth-child(even)::after {
    display: none;
  }

  .sao-addon-section-cta__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sao-addon-floating-contact {
    grid-template-columns: 150px minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .sao-addon {
    padding-block: 68px;
  }

  .sao-addon-heading {
    margin-bottom: 34px;
  }

  .sao-addon-heading__overline {
    font-size: 11px;
  }

  .sao-addon-heading h2 {
    font-size: 30px;
  }

  .sao-addon-heading > p:last-child {
    font-size: 14px;
  }

  .sao-addon-header-contacts__inner {
    padding-block: 7px 9px;
  }

  .sao-addon-header-contacts__lead {
    font-size: 11px;
  }

  .sao-addon-header-contacts__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 5px;
  }

  .sao-addon-contact-link {
    min-height: 42px;
    padding-inline: 4px;
  }

  .sao-addon-contact-link strong {
    font-size: 12px;
  }

  .sao-addon-flow__list {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .sao-addon-flow__item {
    min-height: 0;
    padding: 27px 22px 24px 88px;
  }

  .sao-addon-flow__item::after,
  .sao-addon-flow__item:nth-child(3)::after,
  .sao-addon-flow__item:nth-child(even)::after {
    top: auto;
    right: 50%;
    bottom: -25px;
    display: grid;
    width: 30px;
    height: 30px;
    place-items: center;
    line-height: 1;
    transform: translateX(50%) rotate(90deg);
  }

  .sao-addon-flow__item:last-child::after {
    display: none;
  }

  .sao-addon-flow__number {
    top: 12px;
    right: 14px;
    font-size: 35px;
  }

  .sao-addon-flow__item svg {
    position: absolute;
    top: 29px;
    left: 22px;
    width: 45px;
    height: 45px;
  }

  .sao-addon-flow__item h3 {
    padding-right: 34px;
    font-size: 18px;
  }

  .sao-addon-reasons__grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

.sao-addon-reasons {
    margin-top: -8rem;
}
  .sao-addon-reason-card {
    min-height: 0;
    padding: 27px 22px 25px 88px;
  }

  .sao-addon-reason-card svg {
    left: 22px;
    width: 46px;
    height: 46px;
  }

  .sao-addon-reason-card__number {
    top: 14px;
    right: 15px;
    font-size: 36px;
  }

  .sao-addon-section-cta {
    margin-top: 32px;
    padding: 18px;
  }

  .sao-addon-section-cta__copy {
    align-items: center;
    flex-direction: column;
    gap: 7px;
  }

  .sao-addon-section-cta__links {
    grid-template-columns: 1fr;
  }

  .sao-addon-cta-button {
    min-height: 51px;
  }

  .sao-addon-floating-contact {
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    min-height: 0;
    padding: 6px max(6px, env(safe-area-inset-right)) max(6px, env(safe-area-inset-bottom)) max(6px, env(safe-area-inset-left));
    grid-template-columns: 1fr;
    gap: 4px;
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 14px 14px 0 0;
  }

  .sao-addon-floating-contact-spacer {
    height: 105px;
  }

  .sao-addon-floating-contact__lead {
    display: none;
  }

  .sao-addon-floating-contact__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px;
  }

  .sao-addon-floating-contact__link {
    min-height: 39px;
    padding: 4px 3px;
    font-size: 11px;
  }

  .sao-addon-floating-contact__link span {
    font-size: 8px;
  }

  .sao-addon-scroll-popup {
    right: 10px;
    bottom: 105px;
    width: min(340px, calc(100% - 20px));
    padding: 21px 15px 15px;
  }
}

@media (max-width: 480px) {
  .sao-addon-heading h2 {
    font-size: 27px;
  }

  .sao-addon-heading__overline::before,
  .sao-addon-heading__overline::after {
    width: 20px;
  }

  .sao-addon-flow__item p,
  .sao-addon-reason-card p {
    font-size: 13px;
  }

  .sao-addon-reason-card h3 {
    padding-right: 26px;
    font-size: 18px;
  }

  .sao-addon-section-cta__copy strong {
    font-size: 16px;
  }

  .sao-addon-scroll-popup__title {
    font-size: 21px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sao-addon-scroll-popup {
    animation: none;
  }
}