@charset "UTF-8";

:root {
  --container-max: 1120px;
  --container-gutter: 50px;
  --font-serif: "Noto Serif JP", serif;
  --font-sans: "Noto Sans JP", sans-serif;
  --color-ink: #18211d;
  --color-text: #3f4843;
  --color-muted: #707a74;
  --color-green: #425f4d;
  --color-green-dark: #304738;
  --color-green-pale: #edf1ed;
  --color-beige: #f2f0ea;
  --color-surface: #f6f7f5;
  --color-white: #fff;
  --color-border: #d8ddd9;
  --color-focus: #1d68d6;
  --shadow-soft: 0 14px 40px rgba(24, 33, 29, 0.08);
  --header-height: 72px;
  --section-space: 58px;
  --section-space-small: 48px;
  --radius-small: 2px;
  --transition: 180ms ease;
}

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

html {
  color-scheme: light;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--color-text);
  background: var(--color-white);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

body.has-open-menu {
  overflow: hidden;
}

img,
picture,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button,
select {
  cursor: pointer;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
dd,
figure {
  margin-block: 0;
}

ul,
ol {
  padding-inline-start: 1.25em;
}

h1,
h2,
h3,
h4 {
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.02em;
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

[id] {
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.container {
  width: min(100%, var(--container-max));
  padding-inline: var(--container-gutter);
  margin-inline: auto;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  inset: 12px auto auto 12px;
  padding: 10px 16px;
  color: var(--color-white);
  background: var(--color-ink);
  transform: translateY(-160%);
  transition: transform var(--transition);
}

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

/* Header */
.site-header {
  position: relative;
  z-index: 100;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 32px;
}

.site-header__logo,
.site-footer__logo {
  display: inline-flex;
  flex: 0 0 auto;
  text-decoration: none;
}

.site-header__logo img {
  width: 120px;
}

.site-header__nav-list,
.site-footer__nav-list {
  display: flex;
  align-items: center;
  padding: 0;
  margin: 0;
  list-style: none;
}

.site-header__nav-list {
  gap: 30px;
}

.site-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--color-ink);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
}

.site-header__nav-link::after {
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--color-green);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}

.site-header__nav-link:hover::after,
.site-header__nav-link.is-current::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-header__menu-button {
  display: none;
}

/* Shared typography and sections */
.page {
  overflow: clip;
}

.section {
  padding-block: var(--section-space);
}

.section--small {
  padding-block: var(--section-space-small);
}

.section--surface {
  background: var(--color-surface);
}

.section--beige {
  background: var(--color-beige);
}

.section-kicker {
  margin-bottom: 10px;
  color: var(--color-green);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.2em;
}

.section-heading {
  font-size: clamp(25px, 2.7vw, 31px);
  overflow-wrap: normal;
  word-break: keep-all;
}

.section-lead {
  max-width: 760px;
  margin-top: 16px;
  font-size: 14px;
}

.page-title {
  display: flex;
  align-items: center;
  min-height: 216px;
  background: var(--color-surface);
}

.page-title__heading {
  font-size: clamp(32px, 4.18vw, 47px);
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 460px;
  overflow: hidden;
  background: var(--color-surface);
}

.hero__background {
  position: absolute;
  z-index: 0;
  inset: 0;
}

.hero__background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__inner {
  position: relative;
  z-index: 1;
}

.hero__content {
  width: min(620px, 56%);
}

.hero__title {
  font-size: clamp(36px, 3.78vw, 43px);
}

.hero__text {
  margin-top: 18px;
}

.hero__actions,
.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-width: 210px;
  min-height: 50px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius-small);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--transition), background-color var(--transition), border-color var(--transition);
}

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

.button--primary:hover {
  background: var(--color-green-dark);
  border-color: var(--color-green-dark);
}

.button--secondary {
  color: var(--color-green-dark);
  background: var(--color-white);
  border-color: var(--color-green);
}

.button--secondary:hover {
  background: var(--color-green-pale);
}

.button__arrow {
  margin-left: 24px;
  font-size: 18px;
  line-height: 1;
}

/* Grids and cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.card {
  min-width: 0;
  padding: 28px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
}

.card__title {
  font-size: 22px;
}

.card__text {
  margin-top: 14px;
  font-size: 15px;
}

.icon-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 0;
  margin: 40px 0 0;
  list-style: none;
  border-block: 1px solid var(--color-border);
}

.icon-list__item {
  min-width: 0;
  padding: 28px 22px;
  text-align: center;
}

.icon-list__item + .icon-list__item {
  border-left: 1px solid var(--color-border);
}

/* Full-bleed image with content constrained to the shared container. */
.split-section {
  position: relative;
  overflow: clip;
  background: var(--color-white);
}

.split-section__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 50%) minmax(0, 1fr);
  align-items: center;
  min-height: 0;
}

.split-section__content {
  position: relative;
  z-index: 2;
  grid-column: 1;
  padding-block: 44px;
  padding-right: 36px;
}

.split-section__media {
  position: absolute;
  z-index: 1;
  inset-block: 0;
  right: calc((100vw - 100%) / -2);
  left: 48%;
  overflow: hidden;
  clip-path: polygon(13% 0, 100% 0, 100% 100%, 0 100%);
}

.split-section__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split-section--image-left .split-section__inner {
  grid-template-columns: minmax(0, 1fr) minmax(0, 50%);
}

.split-section--image-left .split-section__content {
  grid-column: 2;
  padding-right: 0;
  padding-left: 36px;
}

.split-section--image-left .split-section__media {
  right: 48%;
  left: calc((100vw - 100%) / -2);
  clip-path: polygon(0 0, 100% 0, 87% 100%, 0 100%);
}

.phase-preview-media {
  background: linear-gradient(135deg, #dfe6df, #9baa9f);
}

.phase-preview-media--light {
  background: linear-gradient(135deg, #c5cec7, #eef1ed);
}

/* Forms */
.form-stack {
  display: grid;
  gap: 28px;
}

.form-field {
  display: grid;
  gap: 10px;
}

.form-field__label {
  color: var(--color-ink);
  font-size: 15px;
  font-weight: 500;
}

.form-field__required {
  margin-left: 0.35em;
  color: #9b3b32;
  font-size: 12px;
}

.form-control {
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
}

textarea.form-control {
  min-height: 180px;
  resize: vertical;
}

.form-control:focus {
  border-color: var(--color-green);
}

/* Standard CTA */
.standard-cta {
  background: var(--color-green-pale);
  border-block: 1px solid var(--color-border);
}

.standard-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 56px;
  min-height: 176px;
  padding-block: 30px;
}

.standard-cta__title {
  font-size: clamp(23px, 2.34vw, 27px);
}

.standard-cta__text {
  max-width: 660px;
  margin-top: 14px;
}

.standard-cta__actions {
  display: grid;
  gap: 12px;
}

/* Footer */
.site-footer {
  padding-block: 36px;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 44px;
}

.site-footer__logo img {
  width: 120px;
}

.site-footer__nav-list {
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.site-footer__nav a {
  font-size: 12px;
  text-decoration: none;
}

.site-footer__nav a:hover {
  text-decoration: underline;
}

.site-footer__copyright {
  color: var(--color-muted);
  font-size: 12px;
  white-space: nowrap;
}

@media (max-width: 75rem) {
  .site-header__nav-list {
    gap: 20px;
  }

  .site-header__nav-link {
    font-size: 12px;
  }

  .standard-cta__inner {
    grid-template-columns: minmax(0, 1fr) minmax(230px, 32%);
  }

  .standard-cta__actions .button {
    min-width: 0;
  }
}

@media (max-width: 55rem) {
  :root {
    --section-space: 56px;
    --section-space-small: 46px;
  }

  .site-header__menu-button {
    position: relative;
    z-index: 2;
    display: grid;
    width: 48px;
    height: 48px;
    padding: 0;
    place-items: center;
    background: transparent;
    border: 0;
  }

  .site-header__menu-icon,
  .site-header__menu-icon::before,
  .site-header__menu-icon::after {
    display: block;
    width: 24px;
    height: 1px;
    content: "";
    background: var(--color-ink);
    transition: transform var(--transition), opacity var(--transition);
  }

  .site-header__menu-icon {
    position: relative;
  }

  .site-header__menu-icon::before,
  .site-header__menu-icon::after {
    position: absolute;
    left: 0;
  }

  .site-header__menu-icon::before {
    top: -7px;
  }

  .site-header__menu-icon::after {
    top: 7px;
  }

  .site-header__menu-button[aria-expanded="true"] .site-header__menu-icon {
    background: transparent;
  }

  .site-header__menu-button[aria-expanded="true"] .site-header__menu-icon::before {
    top: 0;
    transform: rotate(45deg);
  }

  .site-header__menu-button[aria-expanded="true"] .site-header__menu-icon::after {
    top: 0;
    transform: rotate(-45deg);
  }

  .site-header__nav {
    position: fixed;
    z-index: 1;
    inset: var(--header-height) 0 0;
    padding: 24px var(--container-gutter) 48px;
    overflow-y: auto;
    visibility: hidden;
    background: var(--color-white);
    opacity: 0;
    transition: visibility var(--transition), opacity var(--transition);
  }

  .site-header__nav.is-open {
    visibility: visible;
    opacity: 1;
  }

  .no-js .site-header {
    height: auto;
  }

  .no-js .site-header__inner {
    height: auto;
    padding-block: 10px;
    flex-wrap: wrap;
  }

  .no-js .site-header__menu-button {
    display: none;
  }

  .no-js .site-header__nav {
    position: static;
    width: 100%;
    padding: 0;
    overflow: visible;
    visibility: visible;
    opacity: 1;
  }

  .site-header__nav-list {
    display: grid;
    gap: 0;
  }

  .site-header__nav-item {
    border-bottom: 1px solid var(--color-border);
  }

  .site-header__nav-link {
    width: 100%;
    min-height: 64px;
    font-size: 15px;
  }

  .site-header__nav-link::after {
    display: none;
  }

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

  .icon-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .icon-list__item:nth-child(odd) {
    border-left: 0;
  }

  .icon-list__item:nth-child(n + 3) {
    border-top: 1px solid var(--color-border);
  }

  .standard-cta__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .standard-cta__actions {
    display: flex;
    flex-wrap: wrap;
  }

  .site-footer__inner {
    grid-template-columns: auto 1fr;
  }

  .site-footer__nav {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .site-footer__copyright {
    justify-self: end;
  }
}

@media (max-width: 47.999rem) {
  :root {
    --container-gutter: 20px;
    --header-height: 68px;
    --section-space: 42px;
    --section-space-small: 38px;
  }

  body {
    font-size: 14px;
    line-height: 1.8;
  }

  .site-header__logo img {
    width: 112px;
  }

  .section-heading {
    font-size: 23px;
    overflow-wrap: anywhere;
    word-break: normal;
  }

  .page-title {
    min-height: 156px;
  }

  .page-title__heading {
    font-size: 32px;
  }

  .hero {
    min-height: auto;
    padding-block: 42px;
  }

  .hero__content {
    width: 100%;
  }

  .hero__title {
    font-size: 28px;
  }

  .hero__actions,
  .button-group {
    display: grid;
  }

  .button {
    width: 100%;
  }

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

  .card {
    padding: 24px 20px;
  }

  .split-section__inner,
  .split-section--image-left .split-section__inner {
    display: flex;
    min-height: 0;
    flex-direction: column;
  }

  .split-section__content,
  .split-section--image-left .split-section__content {
    width: 100%;
    padding: 42px 0;
  }

  .split-section__media,
  .split-section--image-left .split-section__media {
    position: relative;
    inset: auto;
    width: calc(100% + (var(--container-gutter) * 2));
    height: 220px;
    margin-inline: calc(var(--container-gutter) * -1);
    clip-path: none;
    order: -1;
  }

  .icon-list {
    grid-template-columns: 1fr;
  }

  .icon-list__item + .icon-list__item,
  .icon-list__item:nth-child(n + 3) {
    border-top: 1px solid var(--color-border);
    border-left: 0;
  }

  .standard-cta__inner {
    min-height: 0;
    padding-block: 38px;
  }

  .standard-cta__title {
    font-size: 23px;
  }

  .standard-cta__actions {
    display: grid;
  }

  .site-footer {
    padding-block: 30px;
  }

  .site-footer__inner {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 28px;
  }

  .site-footer__nav-list {
    justify-content: flex-start;
    gap: 10px 20px;
  }

  .site-footer__copyright {
    align-self: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}