@charset "UTF-8";
:root {
  --color-white: #fff;
  --color-navy: #0a1a2f;
  --color-deep-navy: #050021;
  --color-logo-text: #445e7c;
  --font-base: "Noto Sans JP", sans-serif;
  --content-width: 1560px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--color-white);
  font-family: var(--font-base);
  font-weight: 400;
  background: var(--color-deep-navy);
}

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

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

button {
  padding: 0;
  border: 0;
  color: inherit;
  font: inherit;
  background: none;
}

.only-sp {
  display: none;
}

.header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 100px;
  height: 100px;
  background: rgba(255, 255, 255, 0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 100%;
  padding: 0 clamp(44px, 5.9vw, 113px);
}

.header__brand {
  display: flex;
  flex: 0 1 auto;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.header__logo {
  flex: 0 0 76px;
  width: 76px;
  height: 64px;
  -o-object-fit: contain;
     object-fit: contain;
}

.header__name {
  color: var(--color-logo-text);
  font-family: "Segoe UI", sans-serif;
  font-size: clamp(19px, 1.67vw, 32px);
  line-height: 1;
  white-space: nowrap;
}

.header__nav {
  flex: 0 0 auto;
  margin-left: clamp(32px, 4vw, 80px);
}

.header__list {
  display: flex;
  align-items: center;
  gap: clamp(30px, 3.1vw, 60px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.header__link {
  position: relative;
  font-size: clamp(13px, 0.94vw, 18px);
}

.header__link::after,
.footer__link::after {
  position: absolute;
  right: 0;
  bottom: -5px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

.header__link:hover::after,
.header__link:focus-visible::after,
.footer__link:hover::after,
.footer__link:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header__menu {
  display: none;
}

.menu-sp {
  display: none;
}

.hero {
  width: 100%;
  aspect-ratio: 1920/870;
  overflow: hidden;
}

.hero__picture,
.hero__image {
  width: 100%;
  height: 100%;
}

.hero__image {
  -o-object-fit: cover;
     object-fit: cover;
}

.section-title {
  margin: 0;
  font-size: clamp(38px, 2.92vw, 56px);
  font-weight: 500;
  line-height: 1;
}

.section-title--center {
  text-align: center;
}

.detail-button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 187px;
  height: 48px;
  border: 1px solid var(--color-white);
  font-size: 20px;
  font-weight: 500;
  transition: color 0.25s ease, background-color 0.25s ease;
}

.detail-button:hover,
.detail-button:focus-visible {
  color: var(--color-deep-navy);
  background: var(--color-white);
}

.detail-button__arrow {
  position: absolute;
  top: 50%;
  right: 24px;
  width: 8px;
  height: 16px;
  transform: translateY(-50%);
}

.detail-button:hover .detail-button__arrow,
.detail-button:focus-visible .detail-button__arrow {
  filter: invert(1);
}

.detail-button--center {
  margin-right: auto;
  margin-left: auto;
}

.about {
  position: relative;
  height: 1350px;
  overflow: hidden;
  background: linear-gradient(rgba(5, 0, 33, 0.9), rgba(10, 26, 47, 0.95)), url("../assets/philosophy-bg.png") center/cover no-repeat;
}

.about__philosophy,
.about__body {
  position: relative;
  z-index: 2;
  text-align: center;
}

.about__philosophy {
  padding-top: 140px;
}

.about__slogan {
  margin: 36px 0 0;
  color: transparent;
  font-size: clamp(44px, 3.13vw, 60px);
  font-weight: 500;
  line-height: 1.25;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.42);
}

.about__philosophy-text {
  margin: 28px 20px 0;
  font-size: 20px;
  line-height: 1.6;
}

.about__body {
  padding-top: 154px;
}

.about__heading,
.content-heading {
  margin: 38px 0 0;
  font-size: clamp(34px, 2.5vw, 48px);
  font-weight: 500;
  line-height: 1.35;
}

.about__text {
  margin: 28px auto 0;
  font-size: 20px;
  line-height: 1.6;
}

.about__body .detail-button {
  margin: 34px auto 0;
}

.about__visual {
  position: absolute;
  right: 0;
  bottom: 0px;
  left: 0;
  z-index: 1;
  height: 340px;
  overflow: hidden;
}

.about__visual::after {
  position: absolute;
  inset: 0;
  content: "";
}

.about__visual-image {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  -o-object-position: center 70%;
     object-position: center 70%;
  opacity: 0.4;
}

.content {
  position: relative;
  overflow: hidden;
  background: linear-gradient(142deg, rgba(5, 0, 33, 0.98) 2%, rgba(10, 26, 47, 0.96) 48%, rgba(10, 26, 47, 0.98) 80%), url("../assets/decoration.png") 88% 6%/73% auto no-repeat;
}

.content__section {
  position: relative;
}

.service {
  height: 958px;
  padding-top: 256px;
}

.service__inner,
.company__inner {
  display: grid;
  grid-template-columns: 575px minmax(0, 917px);
  gap: 68px;
  width: min(100% - 80px, var(--content-width));
  margin: 0 auto;
}

.service__copy {
  grid-column: 1;
  grid-row: 1;
  padding-top: 46px;
}

.service__visual {
  position: relative;
  grid-column: 2;
  grid-row: 1;
  height: 397px;
}

.service__image {
  position: absolute;
  top: 0;
  height: 100%;
  -o-object-fit: contain;
     object-fit: contain;
}

.service__image--left {
  left: 0;
  width: 38.55%;
}

.service__image--center {
  z-index: 2;
  left: 26.68%;
  width: 46.74%;
}

.service__image--right {
  right: 0;
  width: 38.55%;
}

.content-text {
  margin: 25px 0 0;
  font-size: 20px;
  line-height: 1.6;
}

.service__copy .detail-button,
.company__copy .detail-button {
  margin-top: 34px;
}

.company {
  height: 749px;
  padding-top: 0;
}

.company__inner {
  grid-template-columns: minmax(0, 821px) 568px;
  gap: 171px;
}

.company__visual {
  height: 470px;
}

.company__image {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}

.company__copy {
  padding-top: 60px;
}

.recruit {
  height: 889px;
  padding-top: 0;
}

.recruit__copy {
  text-align: center;
}

.content-heading--center {
  margin-top: 38px;
  text-align: center;
}

.content-text--center {
  text-align: center;
}

.recruit__copy .detail-button {
  margin-top: 40px;
}

.recruit__gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  width: calc(100% - 40px);
  margin: 80px auto 0;
}

.recruit__image {
  width: 100%;
  height: 326px;
  -o-object-fit: cover;
     object-fit: cover;
}

.contact {
  position: relative;
  height: 400px;
  background: linear-gradient(rgba(5, 0, 33, 0.1), rgba(5, 0, 33, 0.1)), url("../assets/contact-bg.png") center/cover no-repeat;
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: min(100% - 80px, 1240px);
  margin: 0 auto;
  padding-top: 126px;
}

.contact__text {
  margin: 31px 0 0;
  font-size: 20px;
  line-height: 1.5;
}

.contact-copy__line {
  display: block;
  white-space: nowrap;
}

.contact__action {
  padding-left: 93px;
}

.contact__heading {
  margin: 0;
  font-size: 42px;
  font-weight: 500;
  line-height: 1;
  text-align: center;
}

.contact__mail {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 22px 0 0;
  font-size: 20px;
}

.contact__mail-icon {
  width: 19px;
  height: 14px;
}

.contact__action .detail-button {
  margin-top: 38px;
  margin-right: auto;
  margin-left: auto;
}

.footer {
  height: 300px;
  background: rgba(0, 0, 0, 0.2);
}

.footer__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 80px, 1640px);
  height: 100%;
  margin: 0 auto;
}

.footer__logo {
  width: 76px;
  height: 64px;
  -o-object-fit: contain;
     object-fit: contain;
}

.footer__address {
  margin-top: 9px;
  font-size: 14px;
  font-style: normal;
  line-height: 1.5;
}

.footer__list {
  display: flex;
  gap: clamp(20px, 2.2vw, 43px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer__link {
  position: relative;
  font-size: 16px;
}

.footer__copyright {
  display: none;
}

@media (min-width: 768px) and (max-width: 1200px) {
  .header__inner {
    padding-right: 20px;
    padding-left: 20px;
  }
  .header__brand {
    gap: 12px;
  }
  .header__name {
    font-size: clamp(16px, 1.9vw, 23px);
  }
  .header__nav {
    margin-left: 20px;
  }
  .header__list {
    gap: clamp(12px, 1.8vw, 22px);
  }
  .header__link {
    font-size: clamp(12px, 1.35vw, 16px);
  }
  .menu-sp {
    display: none;
  }
  .service__inner,
  .company__inner {
    gap: 40px;
  }
  .service__inner {
    grid-template-columns: minmax(300px, 0.7fr) minmax(390px, 1.3fr);
  }
  .company__inner {
    grid-template-columns: 1.15fr 0.85fr;
  }
  .company__visual {
    height: 370px;
  }
  .contact__action {
    padding-left: 40px;
  }
  .footer__list {
    flex-wrap: wrap;
    justify-content: flex-end;
    max-width: 520px;
  }
}
@media (min-width: 768px) and (max-width: 999px) {
  .contact {
    height: 397px;
    min-height: 397px;
  }
  .contact__inner {
    display: block;
    width: 100%;
    padding: 40px 20px 0;
  }
  .contact__intro,
  .contact .section-title {
    text-align: center;
  }
  .contact__text {
    width: 100%;
    margin: 18px auto 0;
    text-align: center;
  }
  .contact__action {
    padding: 28px 0 0;
    text-align: center;
  }
  .contact__mail {
    margin-top: 19px;
  }
  .contact__action .detail-button {
    margin-top: 8px;
  }
}
@media (max-width: 768px) {
  .only-pc {
    display: none;
  }
  .only-sp {
    display: inline;
  }
  .header__nav {
    display: none;
  }
  .menu-sp__wrapper {
    padding: 0 15px 0 20px;
  }
  .header__brand {
    gap: 14px;
  }
  .header__logo {
    flex-basis: 48px;
    width: 48px;
    height: 40px;
  }
  .header__name {
    width: 197px;
    font-size: clamp(16px, 5.13vw, 20px);
    white-space: nowrap;
  }
  .header__menu {
    display: block;
    width: 44px;
    height: 16px;
  }
  .header__menu-icon {
    width: 100%;
    height: 100%;
  }
  .open .menu-area__nav {
    opacity: 1;
    visibility: visible;
  }
  .menu-area {
    width: 100%;
    height: 100vh;
    margin: 0 auto;
    background-color: #060725;
  }
  .menu__ul {
    flex-direction: column;
  }
  .menu__item {
    font-size: 16px;
  }
  .hero {
    height: auto;
    aspect-ratio: 390/844;
  }
  .section-title {
    font-size: 40px;
  }
  .detail-button {
    width: 187px;
    height: 48px;
    font-size: 20px;
  }
  .about {
    height: 1201px;
    background: linear-gradient(rgba(5, 0, 33, 0.9), rgba(10, 26, 47, 0.95)), url("../assets/philosophy-bg.png") center/auto 100% no-repeat;
  }
  .about__philosophy {
    padding-top: 52px;
  }
  .about__slogan {
    margin-top: 35px;
    padding: 0 20px;
    font-size: 40px;
    line-height: 1.3;
  }
  .about__slogan-break {
    display: block;
  }
  .about__philosophy-text {
    margin-top: 32px;
    font-size: 18px;
    line-height: 1.5;
  }
  .about__body {
    padding-top: 99px;
  }
  .about__heading {
    margin-top: 34px;
    font-size: 32px;
    line-height: 1.5;
  }
  .about__text {
    width: 280px;
    margin-top: 22px;
    font-size: 16px;
    line-height: 1.5;
  }
  .about__body .detail-button {
    margin-top: 43px;
  }
  .about__visual {
    height: 158px;
  }
  .about__visual-image {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
    -o-object-position: center 70%;
       object-position: center 70%;
  }
  .content {
    background: linear-gradient(142deg, rgba(5, 0, 33, 0.98) 2%, rgba(10, 26, 47, 0.96) 48%, rgba(10, 26, 47, 0.98) 80%), url("../assets/decoration.png") center 10%/auto 24% no-repeat;
  }
  .service {
    height: 805px;
    padding-top: 141px;
  }
  .service__inner,
  .company__inner {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 0;
  }
  .service__visual {
    order: 1;
    width: calc(100% - 58px);
    height: auto;
    aspect-ratio: 332/135;
    margin: 0 29px;
  }
  .service__copy {
    order: 2;
    padding: 35px 29px 0;
  }
  .service__image--left,
  .service__image--right {
    width: 36.14%;
  }
  .service__image--center {
    left: 28.01%;
    width: 43.98%;
  }
  .content-heading {
    margin-top: 30px;
    font-size: 32px;
    line-height: 1.5;
  }
  .content-text {
    margin-top: 22px;
    font-size: 16px;
    line-height: 1.5;
  }
  .service__copy .detail-button {
    margin-top: 35px;
  }
  .company {
    height: 688px;
    padding-top: 0;
  }
  .company__visual {
    order: 1;
    width: min(100% - 84px, 306px);
    height: auto;
    aspect-ratio: 306/175;
    margin: 0 auto;
  }
  .company__copy {
    order: 2;
    padding: 40px 41px 0;
  }
  .company__copy .content-heading {
    margin-top: 30px;
  }
  .company__copy .content-text {
    margin-top: 22px;
  }
  .company__copy .detail-button {
    margin-top: 39px;
  }
  .recruit {
    height: auto;
    min-height: 1196px;
    padding-top: 0;
    padding-bottom: 160px;
  }
  .recruit__copy {
    padding-top: 0;
  }
  .content-heading--center {
    margin-top: 36px;
  }
  .content-text--center {
    width: 270px;
    margin: 30px auto 0;
  }
  .recruit__copy .detail-button {
    margin-top: 40px;
  }
  .recruit__gallery {
    display: flex;
    flex-direction: column;
    gap: 56px;
    width: calc(100% - 40px);
    margin-top: 40px;
  }
  .recruit__image {
    width: 100%;
    height: auto;
    aspect-ratio: 600/326;
    -o-object-fit: cover;
       object-fit: cover;
  }
  .contact {
    height: 580px;
    background: url("../assets/contact-bg.png") center/auto 100% no-repeat;
  }
  .contact__inner {
    display: block;
    width: 100%;
    padding: 0 20px;
  }
  .contact__intro {
    padding-top: 0;
  }
  .contact__text {
    margin-top: 31px;
    font-size: 16px;
    line-height: 1.5;
  }
  .contact-copy__line {
    width: 100vw;
    margin-left: calc(50% - 50vw);
    font-size: min(16px, 4.1vw);
  }
  .contact__action {
    padding: 72px 0 0;
    text-align: center;
  }
  .contact__heading {
    font-size: 32px;
  }
  .contact__mail {
    justify-content: center;
    gap: 16px;
    margin-top: 28px;
    font-size: 20px;
  }
  .contact__action .detail-button {
    margin: 38px auto 0;
  }
  .footer {
    height: 366px;
  }
  .footer__inner {
    display: block;
    width: 100%;
    padding: 40px 33px 0;
  }
  .footer__logo {
    width: 83px;
    height: 70px;
  }
  .footer__address {
    margin-top: 20px;
    font-size: 14px;
    line-height: 24px;
  }
  .footer__nav {
    margin: 32px auto 0;
  }
  .footer__list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    max-width: 260px;
    margin-right: auto;
    margin-left: auto;
    gap: 16px clamp(21px, 6.67vw, 26px);
  }
  .footer__link {
    font-size: 14px;
  }
  .footer__copyright {
    display: block;
    margin-top: 39px;
    font-size: 12px;
    text-align: center;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}
/* ========================================
   SP navigation — Figma SP_NAV
======================================== */
.sp-nav {
  display: none;
}

@media (max-width: 768px) {
  body.is-menu-open {
    overflow: hidden;
  }
  .header {
    z-index: 100;
    height: 80px;
    min-height: 80px;
  }
  .header.is-menu-open {
    position: fixed;
    background: rgba(255, 255, 255, 0.08);
  }
  .header__inner {
    padding: 0 26px 0 20px;
  }
  .header__brand {
    gap: 14px;
  }
  .header__logo {
    flex-basis: 48px;
    width: 48px;
    height: 40px;
  }
  .header__name {
    width: 197px;
    font-size: 20px;
    white-space: nowrap;
  }
  .header__nav {
    display: none;
  }
  .header__menu {
    position: relative;
    z-index: 2;
    display: block;
    width: 32px;
    height: 32px;
    cursor: pointer;
  }
  .header__menu-line {
    position: absolute;
    top: 50%;
    left: 50%;
    display: block;
    width: 42px;
    height: 1px;
    background: #fff;
    transition: transform 0.25s ease;
  }
  .header__menu-line:first-child {
    transform: translate(-50%, -6px);
  }
  .header__menu-line:last-child {
    transform: translate(-50%, 6px);
  }
  .header.is-menu-open .header__menu-line:first-child {
    transform: translate(-50%, 0) rotate(45deg);
  }
  .header.is-menu-open .header__menu-line:last-child {
    transform: translate(-50%, 0) rotate(-45deg);
  }
  .sp-nav {
    position: fixed;
    z-index: 90;
    top: 80px;
    right: 0;
    bottom: 0;
    left: 0;
    display: block;
    overflow-y: auto;
    background: #0a1a2f;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
  }
  .sp-nav[aria-hidden=false] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .sp-nav__list {
    margin: 0;
    padding: 20px;
    list-style: none;
  }
  .sp-nav__item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.65);
  }
  .sp-nav__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 50px;
    color: #fff;
    font-size: 16px;
    font-weight: 400;
    line-height: 1;
    letter-spacing: 0.1em;
  }
  .sp-nav__link i {
    width: 12px;
    height: 12px;
    margin-right: 22px;
    border-top: 1px solid #fff;
    border-right: 1px solid #fff;
    transform: rotate(45deg);
  }
}
