:root {
  --furusato-blue: #2864f0;
  --furusato-blue-dark: #23418c;
  --furusato-blue-pale: #ebf3ff;
  --furusato-blue-soft: #dce9ff;
  --furusato-yellow: #ffcf4a;
  --furusato-yellow-pale: #fff8df;
  --furusato-green: #65bd60;
  --furusato-orange: #c84e08;
  --furusato-ink: #1e2945;
  --furusato-muted: #58647d;
  --furusato-line: #d7e0ef;
  --furusato-white: #fff;
  --furusato-shadow: 0 18px 50px rgba(35, 65, 140, 0.12);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 82px;
}

body {
  margin: 0;
  min-width: 0;
  background: var(--furusato-white);
  color: var(--furusato-ink);
  font-family: "Noto Sans JP", sans-serif;
  font-size: 1.6rem;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

body * {
  box-sizing: border-box;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.furusato-gtm-frame {
  display: none;
  visibility: hidden;
}

.furusato-skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 1000;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--furusato-blue-dark);
  color: var(--furusato-white);
  font-weight: 700;
  transform: translateY(-150%);
}

.furusato-skip-link:focus {
  transform: translateY(0);
}

.furusato-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(215, 224, 239, 0.8);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.furusato-header__inner {
  display: flex;
  width: min(1100px, calc(100% - 48px));
  min-height: 72px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.furusato-header__logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.furusato-header__logo img {
  width: 116px;
}

.furusato-header__nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.furusato-header__nav a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--furusato-blue-dark);
  font-size: 1.4rem;
  font-weight: 700;
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease;
}

.furusato-header__nav a:hover,
.furusato-header__nav a:focus-visible {
  background: var(--furusato-blue-pale);
  color: var(--furusato-blue);
}

.furusato-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 8% 20%, rgba(255, 207, 74, 0.35) 0 90px, transparent 91px),
    radial-gradient(circle at 92% 10%, rgba(101, 189, 96, 0.18) 0 150px, transparent 151px),
    linear-gradient(135deg, #f4f8ff 0%, #ebf3ff 58%, #fff9e9 100%);
}

.furusato-hero::after {
  position: absolute;
  right: -80px;
  bottom: -180px;
  width: 430px;
  height: 430px;
  border: 70px solid rgba(40, 100, 240, 0.06);
  border-radius: 50%;
  content: "";
}

.furusato-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 590px;
  padding-top: 72px;
  padding-bottom: 72px;
  grid-template-columns: minmax(0, 1.18fr) minmax(380px, 0.82fr);
  align-items: center;
  gap: 48px;
}

.furusato-section-heading__label,
.furusato-support__label {
  margin: 0 0 14px;
  color: var(--furusato-blue);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.furusato-hero h1 {
  margin: 0;
  color: var(--furusato-blue-dark);
  font-size: clamp(3.4rem, 3.8vw, 4.8rem);
  font-weight: 700;
  line-height: 1.38;
  letter-spacing: 0.01em;
}

.furusato-hero h1 span {
  position: relative;
  display: inline-block;
}

.furusato-hero h1 span::after {
  position: absolute;
  right: 0;
  bottom: 0.02em;
  left: 0;
  z-index: -1;
  height: 0.28em;
  border-radius: 999px;
  background: var(--furusato-yellow);
  content: "";
}

.furusato-hero__lead {
  max-width: 600px;
  margin: 28px 0 0;
  color: var(--furusato-muted);
  font-size: 1.8rem;
  line-height: 1.9;
}

.furusato-hero__visual {
  position: relative;
  max-width: 510px;
  margin: 0 auto;
  padding: 0 18px;
}

.furusato-hero__visual::before {
  position: absolute;
  inset: 20px 0 22px 12px;
  z-index: -1;
  border-radius: 48% 52% 46% 54% / 55% 43% 57% 45%;
  background: var(--furusato-white);
  box-shadow: var(--furusato-shadow);
  content: "";
  transform: rotate(-3deg);
}

.furusato-hero__visual img {
  width: 100%;
  filter: drop-shadow(0 20px 18px rgba(35, 65, 140, 0.12));
}

.furusato-faq {
  padding: 100px 0;
}

.furusato-section-heading {
  margin-bottom: 48px;
  text-align: center;
}

.furusato-section-heading h2 {
  margin: 0;
  color: var(--furusato-blue-dark);
  font-size: clamp(3rem, 4vw, 4.4rem);
  line-height: 1.4;
}

.furusato-section-heading > p:last-child {
  margin: 14px 0 0;
  color: var(--furusato-muted);
}

.furusato-product {
  padding: 88px 0;
  scroll-margin-top: 72px;
}

.furusato-product--accounting {
  background: var(--furusato-white);
}

.furusato-product--hr {
  background: var(--furusato-blue-pale);
}

.furusato-product__intro {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 58px;
}

.furusato-product__intro--reverse .furusato-product__copy {
  order: 2;
}

.furusato-product__intro--reverse .furusato-product__image {
  order: 1;
}

.furusato-product__copy h2 {
  margin: 0;
  color: var(--furusato-blue-dark);
  font-size: clamp(3.6rem, 5vw, 5.2rem);
  line-height: 1.3;
}

.furusato-product__summary {
  margin: 20px 0 0;
  color: var(--furusato-muted);
  font-size: 1.7rem;
}

.furusato-product__points {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.furusato-product__points li {
  position: relative;
  padding: 7px 0 7px 31px;
  color: var(--furusato-blue-dark);
  font-weight: 700;
}

.furusato-product__points li::before {
  position: absolute;
  top: 12px;
  left: 0;
  display: grid;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--furusato-green);
  color: var(--furusato-white);
  content: "✓";
  font-size: 1.2rem;
  place-items: center;
}

.furusato-product__image {
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
  padding: 14px;
  border: 1px solid rgba(40, 100, 240, 0.12);
  border-radius: 28px;
  background: var(--furusato-white);
  box-shadow: var(--furusato-shadow);
}

.furusato-product__image img {
  border-radius: 18px;
}

.furusato-plan-area {
  margin-top: 56px;
  padding: 46px;
  border-radius: 28px;
  background: var(--furusato-white);
  box-shadow: 0 14px 42px rgba(35, 65, 140, 0.1);
}

.furusato-plan-area > h3 {
  margin: 0;
  color: var(--furusato-blue-dark);
  font-size: 2.8rem;
  text-align: center;
}

.furusato-plan-area__note {
  margin: 8px 0 0;
  color: var(--furusato-muted);
  font-size: 1.4rem;
  text-align: center;
}

.furusato-plan-grid {
  display: grid;
  margin-top: 30px;
  gap: 18px;
}

.furusato-plan-grid--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.furusato-plan-grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.furusato-plan-card {
  position: relative;
  display: flex;
  min-width: 0;
  padding: 28px;
  border: 1px solid var(--furusato-line);
  border-radius: 20px;
  background: #fbfdff;
  flex-direction: column;
}

.furusato-plan-card__product {
  margin: 0;
  color: var(--furusato-blue);
  font-size: 1.2rem;
  font-weight: 700;
}

.furusato-plan-card h4 {
  margin: 6px 0 0;
  color: var(--furusato-blue-dark);
  font-size: 2rem;
  line-height: 1.45;
}

.furusato-plan-card > p:not(.furusato-plan-card__product) {
  margin: 8px 0 22px;
  color: var(--furusato-muted);
  font-size: 1.35rem;
}

.furusato-plan-card h4 + .furusato-button {
  margin-top: 24px;
}

.furusato-button {
  position: relative;
  display: flex;
  width: 100%;
  min-height: 54px;
  margin-top: auto;
  padding: 12px 44px 12px 20px;
  border-radius: 12px;
  background: var(--furusato-orange);
  color: var(--furusato-white);
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.45;
  text-align: center;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.furusato-cta-arrow {
  position: absolute;
  top: 50%;
  right: 20px;
  width: 9px;
  height: 9px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
}

.furusato-external-icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  margin-left: 0.35em;
  background: currentColor;
  vertical-align: -0.1em;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M14 3h7v7M10 14 21 3M21 14v7H3V3h7' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center / contain;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M14 3h7v7M10 14 21 3M21 14v7H3V3h7' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center / contain;
}

.furusato-button:hover,
.furusato-button:focus-visible {
  background: #a93d05;
  transform: translateY(-2px);
}

.furusato-flow {
  margin-top: 72px;
}

.furusato-flow__heading {
  margin-bottom: 34px;
  text-align: center;
}

.furusato-flow__heading p {
  margin: 0;
  color: var(--furusato-blue);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.furusato-flow__heading h3 {
  margin: 5px 0 0;
  color: var(--furusato-blue-dark);
  font-size: 3.2rem;
}

.furusato-steps {
  max-width: 840px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.furusato-steps li {
  position: relative;
  display: grid;
  padding: 0 0 30px;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 22px;
}

.furusato-steps li:not(:last-child)::before {
  position: absolute;
  top: 54px;
  bottom: 0;
  left: 26px;
  width: 2px;
  background: var(--furusato-blue-soft);
  content: "";
}

.furusato-steps__number {
  position: relative;
  z-index: 1;
  display: grid;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--furusato-blue);
  color: var(--furusato-white);
  font-size: 2rem;
  font-weight: 700;
  place-items: center;
  box-shadow: 0 8px 18px rgba(40, 100, 240, 0.18);
}

.furusato-steps li > div {
  padding: 20px 24px;
  border: 1px solid var(--furusato-line);
  border-radius: 16px;
  background: var(--furusato-white);
}

.furusato-steps h4 {
  margin: 0;
  color: var(--furusato-blue-dark);
  font-size: 1.85rem;
  line-height: 1.5;
}

.furusato-steps p {
  margin: 7px 0 0;
  color: var(--furusato-muted);
  font-size: 1.45rem;
}

.furusato-steps a {
  display: inline-block;
  margin-top: 9px;
  color: var(--furusato-blue);
  font-size: 1.4rem;
  font-weight: 700;
}

.furusato-steps__status {
  display: inline-block;
  margin-top: 9px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--furusato-yellow-pale);
  color: #7c5a00;
  font-size: 1.2rem;
  font-weight: 700;
}

.furusato-steps .furusato-steps__note {
  margin-top: 12px;
  padding-left: 1em;
  font-size: 1.3rem;
  text-indent: -1em;
}

.furusato-steps__note + .furusato-steps__note {
  margin-top: 4px;
}

.furusato-support {
  display: flex;
  max-width: 920px;
  margin: 50px auto 0;
  padding: 30px 34px;
  border-radius: 22px;
  background: var(--furusato-blue-dark);
  color: var(--furusato-white);
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.furusato-support__label {
  margin-bottom: 4px;
  color: var(--furusato-yellow);
}

.furusato-support h3 {
  margin: 0;
  font-size: 2.2rem;
}

.furusato-support p:not(.furusato-support__label) {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.35rem;
}

.furusato-support > a {
  flex: 0 0 auto;
  padding: 13px 20px;
  border-radius: 10px;
  background: var(--furusato-white);
  color: var(--furusato-blue-dark);
  font-size: 1.4rem;
  font-weight: 700;
  text-decoration: none;
}

.furusato-support > a:hover,
.furusato-support > a:focus-visible {
  background: var(--furusato-yellow);
}

.furusato-notice {
  padding: 90px 0;
  background: var(--furusato-white);
}

.furusato-notice__box {
  display: grid;
  padding: 44px 48px;
  border: 2px solid var(--furusato-yellow);
  border-radius: 28px;
  background: var(--furusato-white);
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: 50px;
}

.furusato-notice__heading {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.furusato-notice__heading > span {
  display: grid;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--furusato-yellow);
  color: var(--furusato-blue-dark);
  flex: 0 0 auto;
  font-size: 2.4rem;
  font-weight: 700;
  place-items: center;
}

.furusato-notice__heading p {
  margin: 0;
  color: #9a6a00;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.furusato-notice__heading h2 {
  margin: 3px 0 0;
  color: var(--furusato-blue-dark);
  font-size: 2.6rem;
  line-height: 1.5;
}

.furusato-notice ul {
  list-style: disc;
  margin: 0;
  padding-left: 1.3em;
}

.furusato-notice li {
  padding: 4px 0;
  color: var(--furusato-muted);
  font-size: 1.4rem;
}

.furusato-notice__contact {
  grid-column: 1 / -1;
  padding-top: 28px;
  border-top: 1px solid var(--furusato-line);
  font-size: 1.4rem;
}

.furusato-notice__contact h3 {
  margin: 0 0 12px;
  color: var(--furusato-blue-dark);
  font-size: 1.6rem;
  font-weight: 700;
}

.furusato-notice__contact p {
  margin: 6px 0 0;
}

.furusato-notice__contact a {
  color: var(--furusato-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
}

.furusato-faq {
  background: #f6f9ff;
  scroll-margin-top: 72px;
}

.furusato-faq__group {
  max-width: 900px;
  margin: 0 auto;
}

.furusato-faq details {
  border-bottom: 1px solid var(--furusato-line);
}

.furusato-faq details:first-of-type {
  border-top: 1px solid var(--furusato-line);
}

.furusato-faq summary {
  position: relative;
  display: flex;
  padding: 22px 54px 22px 8px;
  color: var(--furusato-ink);
  align-items: flex-start;
  gap: 14px;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.furusato-faq summary::-webkit-details-marker {
  display: none;
}

.furusato-faq summary::after {
  position: absolute;
  top: 26px;
  right: 16px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--furusato-blue-pale);
  color: var(--furusato-blue);
  content: "+";
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 20px;
  text-align: center;
}

.furusato-faq details[open] summary::after {
  content: "−";
}

.furusato-faq summary > span,
.furusato-faq details > div > span {
  display: grid;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  flex: 0 0 auto;
  font-size: 1.5rem;
  font-weight: 700;
  place-items: center;
}

.furusato-faq summary > span {
  background: var(--furusato-blue);
  color: var(--furusato-white);
}

.furusato-faq details > div {
  display: flex;
  padding: 0 54px 24px 8px;
  align-items: flex-start;
  gap: 14px;
}

.furusato-faq details > div > span {
  background: var(--furusato-yellow);
  color: var(--furusato-blue-dark);
}

.furusato-faq details > div p {
  margin: 0;
  color: var(--furusato-muted);
  font-size: 1.45rem;
}

.furusato-footer {
  padding: 52px 0 34px;
  background: var(--furusato-blue-dark);
  color: var(--furusato-white);
}

.furusato-footer__inner {
  text-align: center;
}

.furusato-footer__logo {
  width: 136px;
  margin: 0 auto;
}

.furusato-footer nav {
  display: flex;
  margin-top: 30px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 28px;
}

.furusato-footer nav a {
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.25rem;
  text-decoration: none;
}

.furusato-footer nav a:hover,
.furusato-footer nav a:focus-visible {
  color: var(--furusato-yellow);
  text-decoration: underline;
}

.furusato-footer > .furusato-footer__inner > p {
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.15rem;
}

:focus-visible {
  outline: 3px solid var(--furusato-blue-dark);
  outline-offset: 3px;
  box-shadow: 0 0 0 3px var(--furusato-white);
}

@media (max-width: 960px) {
  .furusato-hero__inner,
  .furusato-product__intro,
  .furusato-notice__box {
    grid-template-columns: 1fr;
  }

  .furusato-hero__inner {
    padding-top: 60px;
    text-align: center;
  }

  .furusato-hero__lead {
    margin-right: auto;
    margin-left: auto;
  }

  .furusato-hero__visual {
    width: min(100%, 500px);
  }

  .furusato-product__intro--reverse .furusato-product__copy,
  .furusato-product__intro--reverse .furusato-product__image {
    order: initial;
  }

  .furusato-product__image {
    max-width: 460px;
    margin: 0 auto;
  }

  .furusato-plan-grid--three {
    grid-template-columns: 1fr;
  }

  .furusato-plan-grid--three .furusato-plan-card {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    column-gap: 24px;
  }

  .furusato-plan-grid--three .furusato-plan-card__product,
  .furusato-plan-grid--three .furusato-plan-card h4,
  .furusato-plan-grid--three .furusato-plan-card > p {
    grid-column: 1;
  }

  .furusato-plan-grid--three .furusato-button {
    width: 260px;
    margin-top: 0;
    grid-column: 2;
    grid-row: 1 / 3;
  }

  .furusato-notice__box {
    gap: 28px;
  }
}

@media (max-width: 720px) {
  html {
    scroll-padding-top: 64px;
  }

  .furusato-header__inner {
    width: calc(100% - 32px);
    min-height: 64px;
  }

  .furusato-header__logo img {
    width: 102px;
  }

  .furusato-header__nav {
    display: none;
  }

  .furusato-hero__inner,
  .furusato-product,
  .furusato-notice,
  .furusato-faq {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .furusato-hero__inner {
    gap: 26px;
  }

  .furusato-hero h1 {
    font-size: clamp(3rem, 9.5vw, 4.2rem);
    line-height: 1.45;
  }

  .furusato-hero__lead {
    font-size: 1.6rem;
    text-align: left;
  }

  .furusato-hero__visual {
    padding: 0 8px;
  }

  .furusato-section-heading {
    margin-bottom: 34px;
  }

  .furusato-plan-grid--two {
    grid-template-columns: 1fr;
  }

  .furusato-product {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .furusato-product__intro {
    gap: 34px;
  }

  .furusato-product__summary {
    font-size: 1.55rem;
  }

  .furusato-plan-area {
    margin-top: 52px;
    padding: 34px 20px 24px;
  }

  .furusato-plan-area > h3 {
    font-size: 2.4rem;
  }

  .furusato-plan-grid--three .furusato-plan-card {
    display: flex;
  }

  .furusato-plan-grid--three .furusato-button {
    width: 100%;
    margin-top: 24px;
  }

  .furusato-flow {
    margin-top: 54px;
  }

  .furusato-steps li {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
  }

  .furusato-steps__number {
    width: 44px;
    height: 44px;
    font-size: 1.7rem;
  }

  .furusato-steps li:not(:last-child)::before {
    top: 44px;
    left: 21px;
  }

  .furusato-steps li > div {
    padding: 17px 16px;
  }

  .furusato-steps h4 {
    font-size: 1.65rem;
  }

  .furusato-support {
    padding: 26px 22px;
    align-items: stretch;
    flex-direction: column;
  }

  .furusato-support > a {
    text-align: center;
  }

  .furusato-notice__box {
    padding: 30px 22px;
  }

  .furusato-notice__heading h2 {
    font-size: 2.2rem;
  }

  .furusato-faq summary {
    padding-right: 42px;
    padding-left: 0;
  }

  .furusato-faq summary::after {
    right: 6px;
  }

  .furusato-faq details > div {
    padding-right: 6px;
    padding-left: 0;
  }
}

@media (max-width: 390px) {
  .furusato-plan-card {
    padding: 24px 20px;
  }

  .furusato-button {
    padding-right: 36px;
    padding-left: 12px;
    font-size: 1.3rem;
  }

  .furusato-cta-arrow {
    right: 16px;
  }

  .furusato-steps li {
    gap: 9px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

  
.furusato-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
