:root {
  --navy: #071b3d;
  --blue: #0781d3;
  --aqua: #18bfa4;
  --text: #16263d;
  --muted: #556476;
  --line: #dce4eb;
  --soft-blue: #f3f9fd;
  --error: #b42318;
  --success: #087443;
  --container: 1260px;
  --header-height: 112px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 10px;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  background: #fff;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-underline-offset: 0.2em;
}

button,
input,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 2px solid #0b5f91;
  outline-offset: 3px;
}

.container {
  width: min(calc(100% - 72px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 1000;
  padding: 8px 14px;
  color: #fff;
  background: var(--navy);
  transform: translateY(-160%);
}

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

.site-header {
  position: relative;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid #e9edf1;
}

.header-main,
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 42px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
  color: #080d15;
  text-decoration: none;
}

.brand img {
  width: 50px;
  height: 74px;
  object-fit: contain;
}

.brand > span {
  display: grid;
  line-height: 1.3;
}

.brand strong {
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.brand small {
  margin-top: 5px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.desktop-navigation,
.global-navigation {
  display: flex;
  align-items: center;
  gap: clamp(24px, 2.7vw, 48px);
  font-size: 0.92rem;
  font-weight: 700;
}

.desktop-navigation a,
.global-navigation a,
.mobile-navigation a,
.site-footer nav a {
  text-decoration: none;
  white-space: nowrap;
}

.desktop-navigation a:hover,
.desktop-navigation a:focus-visible,
.global-navigation a:hover,
.global-navigation a:focus-visible,
.site-footer nav a:hover,
.site-footer nav a:focus-visible {
  color: var(--blue);
}

.language-switch {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.language-switch[hidden],
.mobile-menu-language[hidden] {
  display: none !important;
}

.language-switch b {
  font-weight: 700;
}

.language-switch i {
  margin-inline: 4px;
  font-style: normal;
}

.menu-toggle,
.mobile-navigation,
.mobile-menu {
  display: none;
}

.hero {
  position: relative;
  min-height: 680px;
  overflow: hidden;
  isolation: isolate;
  background-color: #eef9ff;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.58) 0%,
    rgba(255, 255, 255, 0.44) 28%,
    rgba(255, 255, 255, 0.26) 46%,
    rgba(255, 255, 255, 0.08) 57%,
    rgba(255, 255, 255, 0) 67%
  );
}

.hero-art {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 170px;
}

.hero-content::before {
  content: "";
  position: absolute;
  top: 90px;
  left: -80px;
  z-index: 0;
  width: min(850px, 70vw);
  height: 480px;
  pointer-events: none;
  background: radial-gradient(
    ellipse 62% 62% at 40% 50%,
    #fff 0%,
    #fff 60%,
    rgba(255, 255, 255, 0.98) 72%,
    rgba(255, 255, 255, 0.82) 84%,
    rgba(255, 255, 255, 0.45) 92%,
    rgba(255, 255, 255, 0) 100%
  );
}

.hero h1,
.section-heading h2,
.philosophy h2,
.company h2,
.contact h2,
.subpage-heading h1,
.error-page h1 {
  font-family: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
  color: var(--navy);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.hero h1 {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: clamp(2.5rem, 4.2vw, 4rem);
  line-height: 1.48;
}

.hero-content > p {
  position: relative;
  z-index: 1;
  margin: 30px 0 0;
  font-size: clamp(1rem, 1.35vw, 1.18rem);
  font-weight: 600;
  line-height: 2.05;
}

.section {
  padding-block: 74px;
  scroll-margin-top: 10px;
}

.philosophy {
  --philosophy-logo-width: clamp(84px, 8.7vw, 125px);
  --philosophy-ripple-anchor: clamp(132px, 13.7vw, 197px);
  --philosophy-stage-min-width: 1200px;
  --philosophy-copy-offset: clamp(72px, 6vw, 88px);
  --philosophy-visual-tail: clamp(155px, 12.35vw, 179px);
  position: relative;
  overflow: hidden;
  background: #fff;
  scroll-margin-top: 10px;
}

.philosophy-heading {
  padding-top: clamp(38px, 3.1vw, 45px);
  text-align: center;
}

.philosophy h2,
.section-heading h2,
.company h2,
.contact h2 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 1.35;
}

.philosophy-visual {
  position: relative;
  height: calc(var(--philosophy-ripple-anchor) + var(--philosophy-visual-tail));
  margin-top: clamp(15px, 1.35vw, 20px);
  overflow: hidden;
}

.philosophy-stage {
  position: absolute;
  top: var(--philosophy-ripple-anchor);
  left: 50%;
  width: max(100%, var(--philosophy-stage-min-width));
  aspect-ratio: 1672 / 941;
  pointer-events: none;
  transform: translate(-50%, -87.04%);
}

.philosophy-ripple-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  -webkit-mask-image: linear-gradient(
    to bottom,
    transparent 0%,
    transparent 57%,
    rgba(0, 0, 0, 0.22) 60%,
    #000 66%,
    #000 87%,
    rgba(0, 0, 0, 0.9) 91%,
    rgba(0, 0, 0, 0.35) 97%,
    transparent 100%
  );
  mask-image: linear-gradient(
    to bottom,
    transparent 0%,
    transparent 57%,
    rgba(0, 0, 0, 0.22) 60%,
    #000 66%,
    #000 87%,
    rgba(0, 0, 0, 0.9) 91%,
    rgba(0, 0, 0, 0.35) 97%,
    transparent 100%
  );
}

.philosophy-stage::after {
  content: "";
  position: absolute;
  right: 0;
  top: calc(87.04% + clamp(18px, 1.8vw, 26px));
  left: 0;
  z-index: 1;
  height: calc(var(--philosophy-visual-tail) - clamp(18px, 1.8vw, 26px));
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.04) 0%,
    rgba(255, 255, 255, 0.25) 48%,
    rgba(255, 255, 255, 0.8) 82%,
    #fff 100%
  );
}

.philosophy-logo {
  position: absolute;
  top: 87.04%;
  left: 50%;
  z-index: 2;
  width: var(--philosophy-logo-width);
  height: auto;
  object-fit: contain;
  transform: translate(-50%, -95.99%);
}

.philosophy-copy {
  position: absolute;
  top: calc(87.04% + var(--philosophy-copy-offset));
  left: 50%;
  z-index: 3;
  width: min(760px, calc(100vw - 24px));
  padding: 0;
  background: transparent;
  text-align: center;
  transform: translateX(-50%);
}

.philosophy-copy p {
  margin: 0;
  font-family: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
  color: var(--navy);
  font-size: clamp(1.38rem, 1.75vw, 1.6rem);
  font-weight: 600;
  line-height: 1.8;
  letter-spacing: 0.08em;
}

.philosophy-copy-mobile-break {
  display: none;
}

.business {
  background: #fff;
  padding-top: 64px;
}

.section-heading {
  margin-bottom: 40px;
  text-align: center;
}

.section-heading > p {
  margin: 20px 0 0;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.8;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px 34px;
}

.business-card {
  display: grid;
  grid-template-columns: 39% 61%;
  min-height: 285px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 7px;
  box-shadow: 0 5px 14px rgba(10, 43, 74, 0.08);
}

.business-card-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: 26px 24px 26px 34px;
}

.business-card h3 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  font-family: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
  color: var(--navy);
  font-size: clamp(1.25rem, 1.65vw, 1.7rem);
  line-height: 1.35;
  white-space: nowrap;
}

.business-card h3 span {
  color: var(--blue);
  font-size: clamp(2.1rem, 3.2vw, 3.1rem);
  font-weight: 500;
}

.business-card-copy > p {
  margin: 30px 0 0;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.95;
}

.business-photo {
  position: relative;
  min-width: 0;
  min-height: 285px;
  overflow: hidden;
  border-left: 1px solid var(--line);
}

.business-photo svg {
  display: block;
  width: 100%;
  height: 100%;
}

.business-card > img {
  width: 100%;
  height: 100%;
  min-height: 285px;
  object-fit: cover;
  border-left: 1px solid var(--line);
}

.company {
  padding-top: 76px;
  padding-bottom: 62px;
  background: #fff;
}

.company-inner {
  max-width: 1120px;
}

.company h2 {
  margin-bottom: 34px;
  text-align: center;
}

.company-details {
  margin: 0;
  border: 1px solid var(--line);
  border-bottom: 0;
}

.company-details > div {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 62px;
  border-bottom: 1px solid var(--line);
}

.company-details dt,
.company-details dd {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 14px 24px;
  line-height: 1.65;
}

.company-details dt {
  font-weight: 700;
  background: linear-gradient(90deg, #f5fbff, #fff);
  border-right: 1px solid var(--line);
}

.company-note {
  margin: 24px 0 0;
  font-size: 1rem;
  text-align: center;
}

.contact {
  padding-top: 56px;
  padding-bottom: 70px;
  background: linear-gradient(90deg, #f7fbfd 0%, #eef8ff 100%);
}

.contact h2 {
  margin-bottom: 28px;
  text-align: center;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(210px, 0.68fr) minmax(0, 1.65fr);
  align-items: start;
  gap: 42px;
}

.contact-intro {
  margin: 48px 0 0;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 2.05;
}

.contact-form {
  padding: 34px 36px 30px;
  background: #fff;
  border: 1px solid #e1e7ec;
  border-radius: 8px;
  box-shadow: 0 7px 20px rgba(15, 60, 100, 0.08);
}

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

.form-summary {
  margin-bottom: 16px;
  padding: 9px 12px;
  color: var(--error);
  background: #fff4f2;
  border: 1px solid #f2b8b1;
  border-radius: 4px;
  font-size: 0.9rem;
}

.form-row {
  display: grid;
  grid-template-columns: 165px minmax(0, 1fr);
  align-items: start;
  margin: 0 0 14px;
  padding: 0;
  border: 0;
}

.form-row > label,
.form-row > legend {
  padding: 8px 16px 0 0;
  font-size: 0.92rem;
  font-weight: 700;
}

.form-row > legend {
  float: left;
  width: 165px;
}

.form-row input[type="text"],
.form-row input[type="email"],
.form-row textarea {
  width: 100%;
  color: var(--text);
  background: #fff;
  border: 1px solid #cdd5dc;
  border-radius: 4px;
  box-shadow: inset 0 1px 2px rgba(16, 40, 64, 0.03);
}

.form-row input[type="text"],
.form-row input[type="email"] {
  height: 44px;
  padding: 7px 10px;
}

.form-row textarea {
  min-height: 160px;
  padding: 10px;
  resize: vertical;
}

.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 17px;
  padding-top: 8px;
}

.radio-group label,
.consent-field label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.88rem;
  white-space: nowrap;
  cursor: pointer;
}

.radio-group input,
.consent-field input {
  width: 17px;
  height: 17px;
  margin: 0;
  accent-color: var(--blue);
}

.radio-group .field-error {
  flex-basis: 100%;
}

.field-error {
  min-height: 0;
  margin: 4px 0 0;
  color: var(--error);
  font-size: 0.76rem;
  line-height: 1.45;
}

.field-error:empty {
  display: none;
}

[aria-invalid="true"] {
  border-color: var(--error) !important;
}

.consent-field {
  margin: 4px 0 18px 165px;
}

.foreign-transfer-notice {
  margin: 8px 0 14px 165px;
  font-size: 0.86rem;
  line-height: 1.8;
}

.consent-field label {
  align-items: flex-start;
  line-height: 1.7;
  white-space: normal;
}

.consent-field input {
  flex: 0 0 auto;
  margin-top: 0.3em;
}

.consent-field a,
.foreign-transfer-notice a {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.submit-button {
  display: block;
  width: calc(100% - 165px);
  margin-left: 165px;
  padding: 11px 24px;
  color: #fff;
  background: #087bd1;
  border: 0;
  border-radius: 3px;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.submit-button:hover,
.submit-button:focus-visible {
  background: #0568b3;
}

.form-status {
  min-height: 1.5em;
  margin: 10px 0 0 165px;
  font-size: 0.86rem;
  text-align: center;
}

.form-status.is-success {
  color: var(--success);
  font-weight: 700;
}

.form-status.is-error {
  color: var(--error);
  font-weight: 700;
}

.site-footer {
  position: relative;
  padding-block: 32px 24px;
  background: #fff;
  border-top: 1px solid #edf0f3;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.footer-brand img {
  width: 43px;
  height: 67px;
}

.footer-brand strong {
  font-size: 1.05rem;
}

.footer-brand small {
  font-size: 0.7rem;
}

.site-footer nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px 18px;
  font-size: 0.78rem;
  font-weight: 700;
}

.site-footer nav i {
  color: #7d8997;
  font-style: normal;
}

.copyright {
  display: block;
  margin-top: 16px;
  color: #8a929b;
  font-size: 0.62rem;
  text-align: center;
}

/* 下層ページ */
.subpage-main {
  padding-bottom: 90px;
}

.subpage-heading {
  padding-block: 70px 46px;
  background: var(--soft-blue);
}

.subpage-heading h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
}

.section-kicker {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 700;
}

.policy-content {
  max-width: 960px;
  padding-top: 55px;
}

.policy-content h2 {
  margin: 46px 0 16px;
  color: var(--navy);
  font-size: 1.35rem;
}

.policy-content h3 {
  margin: 28px 0 10px;
  color: var(--navy);
  font-size: 1.05rem;
}

.policy-content ul {
  padding-left: 1.5em;
}

.policy-content li + li {
  margin-top: 0.4em;
}

.notice-box {
  padding: 22px 26px;
  background: var(--soft-blue);
  border-left: 4px solid var(--blue);
}

.policy-date {
  margin-top: 50px;
  color: var(--muted);
  text-align: right;
}

.text-link {
  display: inline-block;
  margin-top: 34px;
  color: var(--blue);
}

.error-page {
  display: grid;
  place-items: center;
  min-height: calc(100vh - var(--header-height) - 140px);
  padding-block: 80px;
  text-align: center;
}

.error-page img {
  width: 65px;
  height: auto;
}

.error-code {
  margin: 14px 0 0;
  color: var(--blue);
  font-size: 4rem;
  font-weight: 700;
  line-height: 1;
}

.error-page h1 {
  margin: 18px 0 0;
  font-size: 2rem;
}

.primary-link {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 24px;
  color: #fff;
  background: var(--blue);
  border-radius: 4px;
  text-decoration: none;
}

.compact-footer .footer-inner {
  justify-content: center;
}

@media (max-width: 1050px) {
  :root {
    --header-height: 92px;
  }

  .container {
    width: min(calc(100% - 48px), var(--container));
  }

  .brand {
    gap: 13px;
  }

  .brand img {
    width: 40px;
    height: 66px;
  }

  .brand strong {
    font-size: 1.08rem;
  }

  .desktop-navigation,
  .global-navigation {
    gap: 20px;
    font-size: 0.8rem;
  }

  .hero {
    min-height: 560px;
  }

  .hero-content {
    padding-top: 135px;
  }

  .business-card {
    grid-template-columns: 43% 57%;
    min-height: 230px;
  }

  .business-card-copy {
    padding: 20px;
  }

  .business-card-copy > p {
    margin-top: 20px;
    font-size: 0.86rem;
  }

  .business-card > img {
    min-height: 230px;
  }

  .business-photo {
    min-height: 230px;
  }

  .form-row {
    grid-template-columns: 140px minmax(0, 1fr);
  }

  .form-row > legend {
    width: 140px;
  }

  .foreign-transfer-notice,
  .consent-field,
  .submit-button,
  .form-status {
    margin-left: 140px;
  }

  .submit-button {
    width: calc(100% - 140px);
  }
}

@media (max-width: 820px) {
  .philosophy {
    --philosophy-logo-width: clamp(76px, 10.5vw, 86px);
    --philosophy-ripple-anchor: clamp(120px, 16.55vw, 136px);
    --philosophy-stage-min-width: 900px;
    --philosophy-copy-offset: clamp(58px, 7.8vw, 66px);
    --philosophy-visual-tail: clamp(136px, 18.05vw, 147px);
  }

  :root {
    --header-height: 118px;
  }

  .container {
    width: min(calc(100% - 40px), var(--container));
  }

  .header-main,
  .header-inner {
    height: 70px;
  }

  .brand img {
    width: 33px;
    height: 54px;
  }

  .brand strong {
    font-size: 1rem;
  }

  .brand small {
    margin-top: 1px;
    font-size: 0.64rem;
  }

  .desktop-navigation,
  .global-navigation {
    display: none;
  }

  .menu-toggle {
    display: block;
    width: 38px;
    height: 38px;
    padding: 5px;
    color: #0d1117;
    background: transparent;
    border: 0;
    cursor: pointer;
  }

  .menu-toggle > span,
  .menu-toggle-lines {
    display: grid;
    gap: 5px;
  }

  .menu-toggle i,
  .menu-toggle-lines span {
    display: block;
    width: 28px;
    height: 2px;
    background: currentColor;
    transition: transform 160ms ease, opacity 160ms ease;
  }

  .menu-toggle[aria-expanded="true"] i:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] i:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle[aria-expanded="true"] i:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .menu-toggle-label {
    display: none;
  }

  .header-inner .menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    width: auto;
  }

  .header-inner .menu-toggle-label {
    display: block;
    font-size: 0.72rem;
    line-height: 1;
    white-space: nowrap;
  }

  .global-navigation.is-open {
    position: absolute;
    top: 70px;
    right: 0;
    left: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 18px 20px 22px;
    background: rgba(255, 255, 255, 0.98);
    border-top: 1px solid #e5e9ee;
    border-bottom: 1px solid #d8dfe6;
    box-shadow: 0 10px 24px rgba(9, 37, 64, 0.14);
  }

  .global-navigation.is-open a {
    padding: 12px 10px;
    border-bottom: 1px solid #e9edf1;
    color: var(--navy);
    font-size: 0.86rem;
    font-weight: 700;
    text-decoration: none;
  }

  .mobile-navigation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
    padding-inline: 5vw;
    overflow: hidden;
    background: #fff;
    border-top: 1px solid #e8ebef;
    font-size: clamp(0.62rem, 1.65vw, 0.78rem);
    font-weight: 700;
  }

  .mobile-navigation .language-switch {
    flex: 0 0 auto;
  }

  .mobile-menu {
    position: absolute;
    top: 70px;
    right: 0;
    left: 0;
    z-index: 20;
    padding: 18px 20px 22px;
    background: rgba(255, 255, 255, 0.98);
    border-top: 1px solid #e5e9ee;
    border-bottom: 1px solid #d8dfe6;
    box-shadow: 0 10px 24px rgba(9, 37, 64, 0.14);
  }

  .mobile-menu:not([hidden]) {
    display: block;
  }

  .mobile-menu nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
  }

.mobile-menu a {
    padding: 12px 10px;
    border-bottom: 1px solid #e9edf1;
    color: var(--navy);
    font-size: 0.86rem;
    font-weight: 700;
    text-decoration: none;
  }

  .mobile-menu-language {
    grid-column: 1 / -1;
    padding: 13px 10px 4px;
    color: var(--navy);
    font-size: 0.82rem;
  }

  .mobile-menu-language b {
    font-weight: 700;
  }

  .mobile-menu-language i {
    margin-inline: 5px;
    font-style: normal;
  }

  .menu-toggle:focus-visible {
    outline: 2px solid #0b5f91;
    outline-offset: 1px;
    border-radius: 3px;
  }

  .hero {
    min-height: 460px;
  }

  .hero-content {
    padding-top: 100px;
  }

  .hero-content::before {
    top: 42px;
    left: -46px;
    width: min(700px, 92vw);
    height: 390px;
  }

  .hero h1 {
    font-size: clamp(2rem, 6vw, 3.1rem);
  }

  .hero-content > p {
    font-size: 0.94rem;
  }

  .philosophy-heading {
    padding-top: clamp(30px, 4.5vw, 37px);
  }

  .philosophy-visual {
    margin-top: clamp(10px, 2vw, 16px);
  }

  .philosophy-copy p {
    font-size: clamp(1.1rem, 2.7vw, 1.35rem);
  }

  .section {
    padding-block: 58px;
  }

  .business {
    padding-top: 50px;
  }

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

  .business-card {
    grid-template-columns: 46% 54%;
    min-height: 190px;
  }

  .business-card-copy {
    padding: 18px 18px 18px 26px;
  }

  .business-card h3 {
    gap: 10px;
    font-size: 1.28rem;
  }

  .business-card h3 span {
    font-size: 2.45rem;
  }

  .business-card-copy > p {
    margin-top: 18px;
    font-size: 0.91rem;
  }

  .business-card > img {
    min-height: 190px;
  }

  .business-photo {
    min-height: 190px;
  }

  .company-details > div {
    grid-template-columns: 150px 1fr;
  }

  .company-details dt,
  .company-details dd {
    padding: 12px 16px;
    font-size: 0.9rem;
  }

  .contact-grid {
    grid-template-columns: 31% minmax(0, 69%);
    gap: 18px;
  }

  .contact-intro {
    margin-top: 38px;
    font-size: 0.82rem;
  }

  .contact-form {
    padding: 24px 20px 22px;
  }

  .form-row {
    grid-template-columns: 130px minmax(0, 1fr);
  }

  .form-row > legend {
    width: 130px;
  }

  .form-row > label,
  .form-row > legend {
    font-size: 0.8rem;
  }

  .radio-group label,
  .consent-field label {
    font-size: 0.76rem;
  }

  .foreign-transfer-notice,
  .consent-field,
  .submit-button,
  .form-status {
    margin-left: 130px;
  }

  .submit-button {
    width: calc(100% - 130px);
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
  }

  .site-footer nav {
    justify-content: flex-start;
  }
}

.mobile-only-break {
  display: none;
}

@media (max-width: 520px) {
  .philosophy {
    --philosophy-logo-width: clamp(58px, 15.5vw, 66px);
    --philosophy-ripple-anchor: clamp(91px, 24.4vw, 104px);
    --philosophy-stage-min-width: 620px;
    --philosophy-copy-offset: clamp(41px, 11.5vw, 48px);
    --philosophy-visual-tail: clamp(99px, 27vw, 108px);
  }

  :root {
    --header-height: 114px;
  }

  .container {
    width: min(calc(100% - 36px), var(--container));
  }

  .header-main {
    height: 66px;
  }

  .brand {
    gap: 10px;
  }

  .brand img {
    width: 29px;
    height: 48px;
  }

  .brand strong {
    font-size: 0.9rem;
  }

  .brand small {
    font-size: 0.58rem;
  }

  .menu-toggle {
    width: 34px;
  }

  .menu-toggle i {
    width: 26px;
  }

  .mobile-navigation {
    height: 48px;
    padding-inline: 3vw;
    font-size: clamp(0.54rem, 2.25vw, 0.68rem);
  }

  .mobile-navigation .language-switch i {
    margin-inline: 1px;
  }

  .mobile-menu {
    top: 66px;
  }

  .hero {
    min-height: 300px;
  }

  .hero::after {
    background: linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.93) 0%,
      rgba(255, 255, 255, 0.9) 43%,
      rgba(255, 255, 255, 0.7) 57%,
      rgba(255, 255, 255, 0.16) 71%,
      rgba(255, 255, 255, 0) 84%
    );
  }

  .hero-content {
    padding-top: 43px;
  }

  .hero-content::before {
    display: block;
    top: 20px;
    left: -18px;
    width: min(365px, 100vw);
    height: 250px;
    background: linear-gradient(
      90deg,
      #fff 0%,
      rgba(255, 255, 255, 0.99) 56%,
      rgba(255, 255, 255, 0.86) 72%,
      rgba(255, 255, 255, 0.46) 88%,
      rgba(255, 255, 255, 0) 100%
    );
    -webkit-mask-image: linear-gradient(
      to bottom,
      transparent 0%,
      #000 12%,
      #000 87%,
      transparent 100%
    );
    mask-image: linear-gradient(
      to bottom,
      transparent 0%,
      #000 12%,
      #000 87%,
      transparent 100%
    );
  }

  .hero h1 {
    font-size: clamp(1.42rem, 7vw, 1.75rem);
    line-height: 1.55;
    letter-spacing: 0.07em;
  }

  .hero-content > p {
    margin-top: 17px;
    font-size: clamp(0.68rem, 3vw, 0.8rem);
    line-height: 1.8;
  }

  .philosophy-heading {
    padding-top: clamp(22px, 6.5vw, 28px);
  }

  .philosophy-visual {
    margin-top: clamp(8px, 2.5vw, 12px);
  }

  .philosophy-stage::after {
    top: calc(87.04% + clamp(8px, 2.5vw, 11px));
    height: calc(var(--philosophy-visual-tail) - clamp(8px, 2.5vw, 11px));
  }

  .philosophy h2,
  .section-heading h2,
  .company h2,
  .contact h2 {
    font-size: 1.34rem;
  }

  .philosophy-copy p {
    font-size: clamp(0.95rem, 4.15vw, 1.06rem);
    line-height: 1.72;
    letter-spacing: 0;
  }

  .philosophy-copy-mobile-break {
    display: none;
  }

  .section {
    padding-block: 34px;
  }

  .business {
    padding-top: 26px;
  }

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

  .section-heading > p {
    margin-top: 9px;
    font-size: 0.72rem;
    line-height: 1.65;
  }

  .business-grid {
    gap: 7px;
  }

  .business-card {
    grid-template-columns: 46% 54%;
    min-height: 145px;
    border-radius: 5px;
  }

  .business-card-copy {
    padding: 11px 9px 11px 14px;
  }

  .business-card h3 {
    gap: 7px;
    font-size: 0.9rem;
  }

  .business-card h3 span {
    font-size: 1.8rem;
  }

  .business-card-copy > p {
    margin-top: 12px;
    font-size: 0.7rem;
    line-height: 1.75;
  }

  .business-card > img {
    min-height: 145px;
  }

  .business-photo {
    min-height: 145px;
  }

  .company {
    padding-top: 40px;
    padding-bottom: 26px;
  }

  .company > .container,
  .contact > .container {
    width: calc(100% - 32px);
  }

  .company h2 {
    margin-bottom: 17px;
  }

  .company-details > div {
    grid-template-columns: 96px minmax(0, 1fr);
    min-height: 0;
  }

  .company-details dt,
  .company-details dd {
    padding: 10px 8px;
    color: var(--text);
    font-size: 0.875rem;
    line-height: 1.6;
  }

  .company-details dt {
    align-items: flex-start;
    white-space: nowrap;
  }

  .company-details dd {
    font-weight: 500;
  }

  .mobile-only-break {
    display: block;
  }

  .company-note {
    margin-top: 14px;
    font-size: 0.875rem;
    line-height: 1.75;
    text-align: left;
  }

  .contact {
    padding-top: 22px;
    padding-bottom: 28px;
  }

  .contact h2 {
    margin-bottom: 15px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .contact-intro {
    margin: 0;
    font-size: 0.875rem;
    line-height: 1.85;
  }

  .contact-form {
    width: 100%;
    padding: 18px 16px 16px;
    border-radius: 6px;
  }

  .form-summary {
    margin-bottom: 14px;
    padding: 9px 10px;
    font-size: 0.875rem;
  }

  .form-row {
    grid-template-columns: 1fr;
    margin-bottom: 15px;
  }

  .form-row > legend {
    float: none;
    width: auto;
  }

  .form-row > label,
  .form-row > legend {
    padding: 0 0 6px;
    font-size: 0.875rem;
    line-height: 1.5;
  }

  .form-row input[type="text"],
  .form-row input[type="email"] {
    height: 44px;
    padding: 8px 10px;
    font-size: 1rem;
  }

  .form-row textarea {
    min-height: 170px;
    padding: 10px;
    font-size: 1rem;
  }

  .radio-group {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 12px;
    padding-top: 2px;
  }

  .radio-group label,
  .consent-field label {
    gap: 7px;
    font-size: 0.875rem;
  }

  .radio-group input,
  .consent-field input {
    width: 18px;
    height: 18px;
  }

  .field-error {
    margin-top: 5px;
    font-size: 0.78rem;
  }

  .foreign-transfer-notice {
    margin: 4px 0 14px;
    font-size: 0.875rem;
    line-height: 1.75;
  }

  .consent-field {
    margin: 4px 0 16px;
  }

  .submit-button {
    width: 100%;
    min-height: 44px;
    margin-left: 0;
    padding: 9px 16px;
    font-size: 1rem;
  }

  .form-status {
    margin: 8px 0 0;
    font-size: 0.875rem;
  }

  .site-footer {
    padding-block: 13px 8px;
  }

  .footer-inner {
    width: calc(100% - 24px);
    gap: 12px;
  }

  .footer-brand {
    display: none;
  }

  .site-footer nav {
    justify-content: center;
    gap: 4px 8px;
    width: 100%;
    font-size: 0.55rem;
  }

  .copyright {
    margin-top: 7px;
    font-size: 0.45rem;
  }

  .subpage-heading {
    padding-block: 42px 30px;
  }

  .policy-content {
    padding-top: 35px;
  }
}

@media (max-width: 480px) {
  :root {
    --header-height: 66px;
  }

  .mobile-navigation {
    display: none;
  }
}

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

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