:root {
  --navy: #122b40;
  --orange: #d84d19;
  --muted: #53636d;
  --line: #d9e1e6;
  --pale: #f1f5f8;
  --white: #fff;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}
body {
  margin: 0;
  color: var(--navy);
  background: white;
  font-family:
    "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.95;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
a,
button {
  touch-action: manipulation;
}
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 6px;
}
p {
  margin: 0 0 1.4em;
}
h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.5;
}
img {
  display: block;
  width: 100%;
  height: auto;
}
button {
  font: inherit;
}
.skip {
  position: fixed;
  top: -80px;
  background: var(--navy);
  color: white;
  padding: 12px;
  z-index: 99;
}
.skip:focus {
  top: 0;
}
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #fffffff5;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 4.5%;
  gap: 24px;
  backdrop-filter: blur(12px);
}
.brand {
  display: block;
  line-height: 1;
}
.brand b {
  font-family: Arial, sans-serif;
  font-size: 34px;
  font-weight: 900;
  letter-spacing: 0.06em;
}
.brand small {
  display: block;
  font-size: 12px;
  letter-spacing: 0.13em;
  margin-top: 8px;
}
.header nav {
  display: flex;
  align-items: center;
  gap: 25px;
  font-size: 14px;
  font-weight: 700;
}
.header nav a:hover {
  color: var(--orange);
}
.header nav .nav-contact {
  padding: 12px 20px;
  background: var(--navy);
  color: #fff;
}
.nav-contact span {
  margin-left: 20px;
}
.menu-toggle {
  display: none;
}
.hero {
  padding: 65px 0 0 7%;
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  overflow: hidden;
}
.eyebrow {
  font:
    700 12px/1.5 Arial,
    sans-serif;
  letter-spacing: 0.15em;
  color: var(--orange);
  margin-bottom: 22px;
}
.hero-copy {
  padding: 16px 0 55px;
  z-index: 1;
}
.hero h1 {
  font-size: clamp(30px, 3.25vw, 54px);
  font-weight: 800;
  line-height: 1.65;
  letter-spacing: 0.02em;
  margin: 0 -80px 22px 0;
}
.hero h1 span {
  background: #fff;
  padding: 5px 10px 5px 0;
  box-decoration-break: clone;
}
.hero h1 em {
  font-style: normal;
  color: var(--orange);
}
.hero-lead {
  font-size: 17px;
  line-height: 2;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 38px;
  padding: 17px 26px;
  font-weight: 700;
  font-size: 15px;
  transition:
    transform 0.2s,
    background 0.2s;
}
.button:hover {
  transform: translateY(-3px);
}
.dark {
  background: var(--navy);
  color: #fff;
}
.light {
  background: #fff;
  color: var(--navy);
}
.hero-visual {
  position: relative;
  margin: 25px 0 48px 20px;
  align-self: stretch;
  min-height: 440px;
  background: var(--pale);
  border-radius: 120px 0 0 0;
  overflow: hidden;
  border-bottom: 12px solid var(--orange);
}
.hero-visual img {
  height: 100%;
  object-fit: cover;
}
.photo-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 35px 25px 18px;
  background: linear-gradient(transparent, #122b40e8);
  color: #fff;
  font-size: 14px;
}
.vertical {
  position: absolute;
  right: 25px;
  top: 30px;
  writing-mode: vertical-rl;
  letter-spacing: 0.22em;
  font-weight: bold;
  background: white;
  padding: 15px 8px;
}
.hero-bottom {
  grid-column: 1/-1;
  display: flex;
  justify-content: space-between;
  padding: 20px 6% 22px 0;
  border-top: 1px solid var(--line);
  font:
    11px/1.5 Arial,
    sans-serif;
  letter-spacing: 0.12em;
}
.section {
  padding: 105px 7%;
}
.section-side h2,
.section-heading h2 {
  font-size: 31px;
  letter-spacing: 0.08em;
}
.about {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 9%;
  border-top: 1px solid var(--line);
}
.big-word {
  display: block;
  font:
    900 clamp(44px, 6vw, 88px)/1.1 Arial,
    sans-serif;
  color: #e7edf1;
  margin-top: 50px;
  letter-spacing: -0.04em;
}
.about-copy h3 {
  font-size: 43px;
  letter-spacing: 0.05em;
  margin: 0 0 32px;
  line-height: 1.7;
}
.orange {
  color: var(--orange);
}
.about-copy p {
  max-width: 620px;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 35px;
  margin-bottom: 55px;
}
.section-heading p:last-child {
  margin-bottom: 0;
}
.services {
  background: var(--pale);
}
.service {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 7%;
  background: #fff;
  padding: 52px;
  margin-top: 24px;
  border-top: 3px solid var(--navy);
}
.service-title {
  position: relative;
}
.service-number {
  display: block;
  font:
    400 72px/1 Arial,
    sans-serif;
  color: var(--orange);
  margin-bottom: 25px;
}
.service-title .eyebrow {
  color: var(--muted);
  margin-bottom: 12px;
}
.service h3 {
  font-size: 27px;
  margin-bottom: 22px;
}
.service-tagline {
  font-size: 19px;
  font-weight: 700;
}
.tags {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
}
.tags span {
  font-size: 12px;
  border: 1px solid var(--line);
  padding: 3px 9px;
}
.service h4 {
  font-size: 15px;
  margin: 28px 0 12px;
}
.topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.topic-list li {
  border-top: 1px solid var(--line);
  padding: 12px 0 12px 20px;
  position: relative;
  font-size: 15px;
}
.topic-list li:before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--orange);
}
.text-link {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--navy);
  padding: 18px 0 12px;
  margin-top: 20px;
  font-size: 15px;
  font-weight: 700;
}
.text-link:hover {
  color: var(--orange);
}
.steps {
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.steps li {
  display: flex;
  gap: 12px;
  align-items: baseline;
}
.steps li > span {
  font:
    700 14px Arial,
    sans-serif;
  color: var(--orange);
}
.steps b {
  font-size: 15px;
}
.steps small {
  display: block;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}
.profile-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 8%;
}
.profile-portrait img {
  background: var(--pale);
  object-fit: contain;
  max-height: 400px;
  margin-bottom: 25px;
}
.profile-portrait p {
  font-size: 14px;
  margin-bottom: 12px;
}
.profile-portrait h3 {
  font-size: 30px;
  letter-spacing: 0.08em;
}
.profile-portrait h3 span {
  display: inline-block;
  font:
    12px Arial,
    sans-serif;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-left: 12px;
}
.career {
  margin: 32px 0 0;
}
.career > div {
  display: flex;
  gap: 28px;
  padding: 17px 0;
  border-top: 1px solid var(--line);
}
.career dt {
  font:
    700 19px/1.9 Arial,
    sans-serif;
  color: var(--orange);
}
.career dd {
  margin: 0;
  font-size: 14px;
}
.works {
  background: var(--navy);
  color: #fff;
}
.works .eyebrow {
  color: #ff956b;
}
.works-note {
  color: #c5d0d8;
  font-size: 14px;
  margin-bottom: 45px;
}
.record-block {
  display: grid;
  grid-template-columns: 0.45fr 1fr;
  gap: 50px;
  margin-bottom: 55px;
}
.record-block:last-child {
  margin-bottom: 0;
}
.record-block h3 {
  font-size: 23px;
}
.record-block h3 span {
  display: block;
  font:
    12px Arial,
    sans-serif;
  letter-spacing: 0.15em;
  margin-top: 10px;
  color: #91a4b3;
}
.record-block h3 small {
  display: block;
  margin-top: 26px;
  font-size: 12px;
  line-height: 1.7;
  color: #bdcbd5;
  font-weight: 400;
}
.record-block h3 small b {
  font-size: 20px;
  color: #fff;
  letter-spacing: 0.04em;
}
.records article {
  display: flex;
  gap: 25px;
  border-top: 1px solid #ffffff30;
  padding: 21px 0;
}
.records time {
  font:
    14px/1.9 Arial,
    sans-serif;
  color: #ffad89;
  min-width: 96px;
}
.records h4 {
  font-size: 16px;
  font-weight: 500;
}
.records p {
  font-size: 14px;
  color: #bdcbd5;
  margin: 6px 0 0;
}
.company {
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 60px;
}
.company-list {
  margin: 0;
}
.company-list > div {
  display: grid;
  grid-template-columns: 120px 1fr;
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  gap: 20px;
}
.company-list > div:first-child {
  padding-top: 0;
}
.company-list dt {
  font-size: 14px;
  color: var(--muted);
}
.company-list dd {
  margin: 0;
}
.contact {
  background: #d84d19;
  color: white;
  padding: 70px 7%;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
}
.contact .eyebrow {
  color: white;
}
.contact h2 {
  font-size: 36px;
  line-height: 1.65;
  margin-bottom: 24px;
}
.contact p:not(.eyebrow) {
  font-size: 15px;
  margin-bottom: 0;
}
.contact-action {
  justify-self: end;
}
.contact-action small {
  display: block;
  font-size: 12px;
  margin-top: 16px;
}
.contact .button {
  width: 100%;
  min-width: 300px;
}
footer {
  display: flex;
  align-items: center;
  gap: 35px;
  padding: 42px 7%;
}
footer p {
  font-size: 13px;
  margin: 0;
  flex: 1;
}
footer > small {
  font:
    11px Arial,
    sans-serif;
  color: var(--muted);
}
.backtop {
  border: 1px solid var(--line);
  padding: 6px 16px;
}
@media (min-width: 1500px) {
  .section,
  .contact {
    padding-left: max(7%, calc((100% - 1280px) / 2));
    padding-right: max(7%, calc((100% - 1280px) / 2));
  }
  .hero {
    padding-left: max(7%, calc((100% - 1280px) / 2));
  }
}
@media (max-width: 1100px) {
  .header nav {
    gap: 15px;
    font-size: 12px;
  }
  .header {
    padding: 15px 4%;
  }
  .service {
    padding: 35px;
    gap: 5%;
  }
  .hero h1 {
    font-size: 36px;
  }
  .section {
    padding: 80px 6%;
  }
  .contact {
    grid-template-columns: 1fr;
  }
  .contact-action {
    justify-self: start;
  }
  .record-block {
    grid-template-columns: 0.35fr 1fr;
    gap: 25px;
  }
}
@media (max-width: 800px) {
  html {
    scroll-padding-top: 95px;
  }
  .header nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    padding: 20px 6% 30px;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }
  .header nav.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .header nav a {
    padding: 10px;
  }
  .menu-toggle {
    display: block;
    border: 0;
    background: none;
    font-size: 14px;
    color: var(--navy);
  }
  .menu-toggle span {
    margin-left: 10px;
    font-size: 22px;
  }
  .brand b {
    font-size: 28px;
  }
  .hero {
    padding: 40px 0 0;
    grid-template-columns: 1fr;
  }
  .hero-copy {
    padding: 0 6% 30px;
  }
  .hero h1 {
    font-size: clamp(27px, 5.5vw, 43px);
    margin: 0 0 20px;
  }
  .hero-lead {
    font-size: 15px;
  }
  .hero-visual {
    margin: 0 0 0 6%;
    height: auto;
    min-height: 0;
    aspect-ratio: 1.5;
    border-radius: 70px 0 0 0;
  }
  .hero-visual img {
    object-fit: cover;
  }
  .hero-bottom {
    margin-top: 25px;
    padding: 18px 6%;
    font-size: 9px;
  }
  .hero-bottom span {
    max-width: 55%;
  }
  .hero-bottom a {
    align-self: center;
  }
  .section {
    padding: 65px 6%;
  }
  .about {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .big-word {
    display: none;
  }
  .about-copy h3 {
    font-size: 34px;
  }
  .section-heading {
    display: block;
    margin-bottom: 32px;
  }
  .section-heading p:last-child {
    margin-top: 18px;
  }
  .section-side h2,
  .section-heading h2 {
    font-size: 27px;
  }
  .eyebrow {
    margin-bottom: 14px;
  }
  .service {
    grid-template-columns: 1fr;
    padding: 28px 23px;
    gap: 28px;
  }
  .service-number {
    font-size: 56px;
  }
  .service h3 {
    font-size: 25px;
  }
  .service-tagline {
    font-size: 18px;
  }
  .service-body p {
    font-size: 15px;
  }
  .steps {
    gap: 20px 10px;
  }
  .profile-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .profile-portrait img {
    max-height: none;
  }
  .record-block {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .records article {
    gap: 15px;
  }
  .records time {
    min-width: 80px;
    font-size: 12px;
  }
  .records h4 {
    font-size: 15px;
  }
  .records p {
    font-size: 13px;
  }
  .company {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .company-list > div {
    grid-template-columns: 80px 1fr;
    gap: 12px;
  }
  .company-list dd {
    font-size: 15px;
  }
  .contact {
    padding: 50px 6%;
  }
  .contact h2 {
    font-size: 29px;
  }
  .contact .button {
    min-width: 0;
    font-size: 14px;
  }
  .contact-action {
    width: 100%;
  }
  footer {
    flex-wrap: wrap;
    padding: 35px 6%;
    gap: 20px;
  }
  footer p {
    flex-basis: 60%;
    font-size: 12px;
  }
  footer > small {
    flex: 1;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
  }
}