:root {
  --bg: #f6faf6;
  --text: #202823;
  --muted: #65716a;
  --line: #cfdcd3;
  --accent: #4ebf9f;
  --accent-dark: #25866f;
  --bright: #59d2ae;
  --white: #ffffff;
  --max: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", Meiryo, sans-serif;
  line-height: 2;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 780ms ease, transform 780ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(246, 250, 246, 0.94);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-weight: 500;
}

.back-link {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border: 1px solid var(--accent);
  color: var(--accent-dark);
  font-size: 12px;
  letter-spacing: 0.04em;
  transition: background 220ms ease, color 220ms ease;
}

.back-link:hover,
.back-link:focus-visible {
  background: var(--accent);
  color: var(--white);
}

.back-link-page {
  margin-bottom: 34px;
}

.brand-mark {
  display: inline-grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.brand-text {
  max-width: 9.5em;
  font-size: 14px;
  line-height: 1.45;
}

@media (max-width: 430px) {
  .brand-text {
    max-width: 7em;
    font-size: 13px;
  }
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.site-nav a {
  min-width: 68px;
  padding: 10px 16px;
  border: 1px solid var(--accent);
  color: var(--accent-dark);
  text-align: center;
  transition: background 220ms ease, color 220ms ease, border-color 220ms ease;
}

.site-nav a[href$="#contact"],
.site-nav a[href="#contact"] {
  background: var(--accent);
  color: var(--white);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}

.site-nav a[href$="#contact"]:hover,
.site-nav a[href$="#contact"]:focus-visible,
.site-nav a[href="#contact"]:hover,
.site-nav a[href="#contact"]:focus-visible {
  background: var(--white);
  color: var(--accent-dark);
}

.section {
  padding: clamp(68px, 12vw, 118px) 22px;
}

.section-lined {
  background: transparent;
}

.section-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.hero {
  min-height: auto;
  display: flex;
  align-items: center;
  padding-top: clamp(54px, 8vw, 80px);
}

.hero-sub {
  min-height: 56svh;
}

.eyebrow,
.section-number {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.1em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 860px;
  margin-bottom: 28px;
  font-size: clamp(38px, 9vw, 82px);
  line-height: 1.12;
  font-weight: 400;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(32px, 8vw, 64px);
  line-height: 1.14;
  font-weight: 400;
  letter-spacing: 0.02em;
  text-wrap: balance;
}

h3 {
  margin-bottom: 8px;
  font-size: 18px;
  line-height: 1.5;
  font-weight: 600;
}

p {
  color: var(--muted);
  font-size: clamp(16px, 4.2vw, 19px);
  max-width: 68ch;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

.hero-grid {
  display: grid;
  gap: 42px;
}

.hero-copy {
  max-width: 760px;
}

.hero-lead {
  margin-bottom: 18px;
  color: var(--text);
  font-size: clamp(22px, 5.6vw, 36px);
  line-height: 1.55;
  max-width: 18em;
  text-wrap: balance;
}

.hero-text {
  max-width: 39em;
  margin-bottom: 0;
  font-size: clamp(17px, 4.4vw, 21px);
}

.hero-side {
  display: grid;
  gap: 18px;
}

.hero-note {
  margin-bottom: 0;
  padding-left: 18px;
  border-left: 1px solid var(--line);
  font-size: clamp(15px, 3.8vw, 17px);
  max-width: 30em;
}

.hero-actions {
  display: grid;
  gap: 12px;
  width: min(100%, 560px);
  max-width: 560px;
  margin-bottom: 0;
  justify-self: center;
}

.button {
  position: relative;
  display: inline-flex;
  min-height: 58px;
  width: min(100%, 560px);
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 0;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  border: 1px solid var(--accent);
  transition: color 220ms ease, background 220ms ease, border-color 220ms ease;
}

.button-primary {
  background: var(--accent);
  color: var(--white);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--white);
  color: var(--accent-dark);
  outline: none;
}

.button-line {
  background: var(--white);
  color: var(--accent-dark);
  border-color: var(--accent);
}

.button-line:hover,
.button-line:focus-visible {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
  outline: none;
}

.keyword-list {
  display: none;
}

.hero-bottom {
  display: grid;
  gap: 30px;
  padding-top: 10px;
  justify-items: center;
}

.hero-image {
  margin: 0;
  width: 100%;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.hero-image img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.86) contrast(0.96);
}

.hero-character {
  display: grid;
  place-items: center;
  border: 0;
  padding: 0;
}

.hero-character img {
  width: min(48vw, 205px);
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  filter: none;
}

.text-block {
  display: grid;
  gap: 20px;
  max-width: none;
}

.section-intro {
  margin-bottom: clamp(42px, 7vw, 72px);
}

.about-character {
  grid-column: 1 / -1;
  justify-self: end;
  width: min(42vw, 160px);
  height: 150px;
  margin: 14px 0 0;
  overflow: hidden;
}

.about-character img {
  display: block;
  width: 100%;
  height: auto;
  transform: translateY(-6px);
}

.text-block p:last-child {
  margin-bottom: 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 52px;
}

.line-list,
.flow-list,
.price-list {
  border-top: 1px solid var(--line);
}

.line-item {
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.service-list {
  display: grid;
  gap: 18px;
}

.service-card {
  min-height: 320px;
  padding: 28px 24px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.58);
}

.service-card span {
  display: block;
  margin-bottom: 48px;
  color: var(--bright);
  font-size: 13px;
  letter-spacing: 0.12em;
}

.service-card h3 {
  margin-bottom: 22px;
  font-size: clamp(24px, 7vw, 38px);
  font-weight: 400;
  line-height: 1.28;
  text-wrap: balance;
}

.service-card p {
  margin-bottom: 0;
}

.line-item p {
  margin-bottom: 0;
}

.flow-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 18px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.flow-list span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.flow-list p {
  margin-bottom: 0;
}

.cost-heading {
  margin-bottom: clamp(34px, 7vw, 60px);
}

#cost .button {
  width: fit-content;
  margin: 0 auto;
}

#cost .button-line {
  background: transparent;
  color: var(--accent-dark);
}

#cost .button-line::before,
#cost .button-line::after {
  display: none;
}

#cost .button-line {
  min-height: auto;
  border: 0;
  padding: 8px 0 10px;
  font-size: clamp(18px, 4.6vw, 24px);
}

#cost .button-line {
  background-image: linear-gradient(currentColor, currentColor);
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 0 1px;
  transition: background-size 260ms ease, color 220ms ease;
}

#cost .button-line:hover,
#cost .button-line:focus-visible {
  background-color: transparent;
  color: var(--accent-dark);
  background-size: 100% 1px;
}

.timeline-list {
  position: relative;
  display: grid;
  gap: clamp(64px, 12vw, 104px);
  max-width: 980px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.timeline-list::before {
  content: "";
  position: absolute;
  top: 18px;
  bottom: 18px;
  left: 14px;
  width: 3px;
  background: var(--bright);
}

.timeline-list li {
  position: relative;
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: clamp(20px, 5vw, 42px);
}

.timeline-mark {
  position: relative;
  z-index: 1;
  display: block;
  width: 32px;
  height: 32px;
  margin-top: 18px;
  background: var(--bright);
}

.step-label {
  margin-bottom: 16px;
  color: var(--bright);
  font-size: clamp(15px, 4vw, 26px);
  line-height: 1.2;
  letter-spacing: 0.06em;
}

.timeline-list h3 {
  margin-bottom: 20px;
  font-size: clamp(31px, 8vw, 48px);
  font-weight: 400;
  line-height: 1.35;
  text-wrap: balance;
}

.timeline-list p:not(.step-label) {
  margin-bottom: 0;
  font-size: clamp(16px, 4.4vw, 24px);
  line-height: 1.9;
}

.text-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--accent-dark);
  font-size: clamp(16px, 4.2vw, 22px);
  background-image: linear-gradient(currentColor, currentColor);
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 0 1px;
  transition: background-size 260ms ease, color 220ms ease;
}

.text-link:hover,
.text-link:focus-visible {
  background-size: 100% 1px;
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}

.section-contact {
  padding-top: clamp(82px, 16vw, 150px);
  background: var(--accent);
  color: var(--white);
}

.section-contact .section-number,
.section-contact h2,
.section-contact p,
.section-contact label,
.section-contact label span,
.section-contact .form-note,
.section-contact .form-message {
  color: var(--white);
}

.contact-form {
  display: grid;
  gap: clamp(28px, 6vw, 48px);
  max-width: 1120px;
  margin: 0 auto;
}

.form-field {
  display: grid;
  gap: 8px;
}

label {
  color: var(--text);
  font-size: clamp(17px, 4.5vw, 26px);
  font-weight: 600;
}

label span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

input,
select,
textarea {
  width: 100%;
  min-height: clamp(72px, 14vw, 112px);
  border: 2px solid var(--line);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.42);
  color: var(--text);
  font: inherit;
  font-size: 16px;
  padding: 18px 16px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.section-contact input,
.section-contact select,
.section-contact textarea {
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.94);
  color: var(--text);
}

.section-contact input:focus,
.section-contact select:focus,
.section-contact textarea:focus {
  border-color: var(--white);
  box-shadow: inset 0 0 0 1px var(--white);
}

textarea {
  min-height: clamp(220px, 42vw, 360px);
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.form-note,
.form-message {
  margin: 0;
  font-size: 13px;
}

.form-submit {
  width: min(100%, 560px);
  margin: 0 auto;
  min-height: 72px;
  border-color: var(--white);
  background: var(--white);
  color: var(--accent-dark);
  font-size: 17px;
}

.form-submit:hover,
.form-submit:focus-visible {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

.price-item {
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.price-lead {
  max-width: 820px;
}

.price-item-wide {
  border-bottom: 1px solid var(--line);
}

.price-item h3,
.price-item p {
  margin-bottom: 0;
}

.price-item span {
  display: block;
  margin-bottom: 34px;
  color: var(--accent-dark);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.price-item p {
  margin: 18px 0 12px;
  color: var(--text);
  font-size: clamp(24px, 6vw, 38px);
  font-weight: 400;
  white-space: nowrap;
}

.price-item small {
  display: block;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.cost-note {
  max-width: 760px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.accordion-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

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

.accordion-list summary {
  cursor: pointer;
  padding: 24px 0;
  color: var(--text);
  font-size: clamp(18px, 4.6vw, 24px);
  list-style: none;
}

.accordion-list summary::-webkit-details-marker {
  display: none;
}

.accordion-list summary::after {
  content: "+";
  float: right;
  color: var(--accent-dark);
}

.accordion-list details[open] summary::after {
  content: "-";
}

.accordion-list p {
  margin-bottom: 24px;
  max-width: 760px;
}

.price-contact .button {
  margin: 0 auto;
}

.site-footer {
  padding: 28px 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer small {
  display: block;
  width: min(100%, var(--max));
  margin: 0 auto;
  font-size: 12px;
}

@media (min-width: 720px) {
  .site-header {
    padding-inline: 36px;
  }

  .section {
    padding: clamp(92px, 10vw, 136px) 36px;
  }

  .hero-actions {
    display: flex;
    width: min(100%, 720px);
    max-width: 720px;
    justify-self: center;
  }

  .button {
    min-width: 0;
    flex: 1;
  }

  .line-item {
    display: grid;
    grid-template-columns: minmax(210px, 0.34fr) 1fr;
    gap: 44px;
  }

  .service-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .price-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }

  .service-card {
    min-height: 410px;
    padding: 38px 34px;
  }

  .flow-list li {
    grid-template-columns: 80px 1fr;
    gap: 28px;
  }
}

@media (min-width: 980px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.56fr);
    align-items: center;
    gap: 72px 64px;
  }

  .hero-bottom {
    grid-column: 1 / -1;
    grid-template-columns: 1fr;
    align-items: end;
  }

  .hero-image img {
    aspect-ratio: auto;
  }

  .hero-character {
    justify-items: center;
  }

  .hero-character img {
    width: min(24vw, 320px);
  }

  .text-block {
    grid-template-columns: minmax(320px, 0.6fr) minmax(0, 0.75fr);
    column-gap: 88px;
  }

  .text-block .section-number,
  .text-block h2 {
    grid-column: 1;
  }

  .text-block p {
    grid-column: 2;
  }

  #prepare .about-character {
    grid-column: 1;
    grid-row: 3;
    justify-self: start;
    width: min(18vw, 240px);
    height: 190px;
    margin-top: 4px;
    margin-left: clamp(120px, 14vw, 210px);
    overflow: hidden;
  }

  #prepare .about-character img {
    width: 100%;
    transform: scaleX(-1) translateY(-10px);
  }

  .section-intro {
    max-width: 760px;
    grid-template-columns: 1fr;
  }

  .section-intro .section-number,
  .section-intro h2,
  .section-intro p {
    grid-column: 1;
  }

  .text-block .button {
    grid-column: 2;
    width: fit-content;
  }

  .timeline-list::before {
    left: 24px;
  }

  .timeline-list li {
    grid-template-columns: 86px 1fr;
  }

  .timeline-mark {
    width: 44px;
    height: 44px;
  }

}