:root {
  --color-default: #525457;
  --color-main: #eeeee4;
  --color-accent: #c15628;
  --color-black: #111111;
  --font-body: "游ゴシック", "YuGothic", "ヒラギノ角ゴ Pro", "Hiragino Kaku Gothic Pro", "メイリオ", "Meiryo", sans-serif;
  --hero-subtitle-size: clamp(36px, 10vw, 72px);
  --header-height: 96px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-default);
  background: #ffffff;
  line-height: 1.7;
}

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

a:hover {
  color: var(--color-accent);
}

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

@media (min-width: 768px) {
  :root {
    --header-height: 88px;
  }
}

@media (min-width: 1024px) {
  :root {
    --header-height: 120px;
  }
}

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

.text-right {
  text-align: right;
}

.text-accent {
  color: var(--color-accent);
}

.bg-main {
  background: var(--color-main);
}

.text-shadow-default {
  text-shadow: 0 0 2px #ffffff;
}

.section {
  padding: 40px 28px;
}

.section-lg {
  padding: 48px 32px;
}

@media (min-width: 768px) {
  .section {
    padding: 64px 64px;
  }

  .section-lg {
    padding: 72px 72px;
  }
}

@media (min-width: 1024px) {
  .section {
    padding: 96px 96px;
  }

  .section-lg {
    padding: 112px 96px;
  }
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  background: #ffffff;
  font-weight: 600;
}

.site-header__logo {
  display: flex;
  align-items: center;
}

.site-header__logo img {
  width: 180px;
  padding: 16px 20px;
  box-sizing: content-box;
}

.site-nav {
  display: none;
  margin-left: auto;
  align-items: center;
  height: 100%;
}

.site-nav ul {
  display: flex;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
  height: 100%;
}

.site-nav a {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  height: 100%;
}

.site-nav .is-active a {
  color: var(--color-accent);
}

.contact-cta {
  display: none;
  margin-left: 12px;
  padding: 0 24px;
  background: var(--color-default);
  color: #ffffff;
  font-weight: 600;
  align-items: center;
  justify-content: center;
  align-self: stretch;
}

.contact-cta:hover {
  background: var(--color-accent);
  color: #ffffff;
}

.menu-toggle {
  margin-left: auto;
  background: transparent;
  border: none;
  padding: 8px;
  cursor: pointer;
  align-self: center;
}

.menu-toggle svg {
  width: 34px;
  height: 34px;
}

.mobile-nav {
  display: none;
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background: #ffffff;
  padding: 24px 20px 40px;
  text-align: center;
  border-top: 1px solid #e6e6e6;
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav li {
  border-bottom: 1px solid #e6e6e6;
}

.mobile-nav a {
  display: block;
  font-size: 1.5rem;
  padding: 20px 0;
}

@media (min-width: 768px) {
  .site-header {
    gap: 16px;
  }

  .site-header__logo img {
    width: 210px;
    padding: 12px 24px;
  }

  .site-nav {
    display: flex;
  }

  .contact-cta {
    display: flex;
  }

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

.hero-top {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: url("../img/image.webp") center/cover no-repeat;
  min-height: 420px;
  padding: calc(160px + var(--header-height)) 24px 40px;
}

.hero-top img {
  width: min(90%, 900px);
}

.home-intro {
  background-color: var(--color-main);
  background-position: right bottom;
  background-repeat: no-repeat;
  padding: 60px 32px 80px;
}

@media (min-width: 768px) {
  .home-intro {
    background-image: url("../img/bg_akkad.webp");
    padding: 80px 80px 160px;
  }
}

@media (min-width: 1024px) {
  .home-intro {
    padding: 112px 96px 208px;
  }
}

@media (min-width: 768px) {
  .hero-top {
    min-height: 500px;
    padding: calc(180px + var(--header-height)) 80px 60px;
  }
}

@media (min-width: 1024px) {
  .hero-top {
    min-height: 860px;
    padding: calc(220px + var(--header-height)) 110px 120px;
  }
}

.hero-banner {
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  padding: clamp(80px, 24vw, 180px) clamp(20px, 10vw, 80px) clamp(36px, 8vw, 80px);
  min-height: 240px;
  padding-top: calc(clamp(80px, 24vw, 180px) + var(--header-height));
}

.hero-banner--business {
  background-image: url("../img/business_bg.webp");
}

.hero-banner--company {
  background-image: url("../img/company_bg.webp");
}

.hero-banner--recruit {
  background-image: url("../img/recruit_bg.webp");
}

.hero-banner--contact {
  background-image: url("../img/contact_bg.webp");
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--color-black);
}

.hero-title h1 {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.1em;
  font-size: clamp(20px, 4.5vw, 32px);
}

.hero-subtitle {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-weight: 800;
  font-family: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  line-height: 1.1;
  font-size: var(--hero-subtitle-size);
}

.hero-banner--business,
.hero-banner--company,
.hero-banner--recruit {
  padding-top: calc(clamp(80px, 24vw, 180px) + var(--header-height) - (var(--hero-subtitle-size) + (var(--hero-subtitle-size) / 10) + 2px));
}

.hero-subtitle .accent {
  color: var(--color-accent);
}

.hero-title--light {
  color: #ffffff;
}

.title-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.title-block h2 {
  margin: 0;
  font-weight: 700;
  font-size: clamp(20px, 4vw, 28px);
  letter-spacing: 0.1em;
}

.title-block .title-sub {
  display: flex;
  flex-direction: column;
  font-weight: 900;
  font-family: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  font-size: clamp(32px, 9vw, 64px);
  line-height: 1.1;
}

.title-block .accent {
  color: var(--color-accent);
}

.section-title-accent {
  background: var(--color-accent);
  color: #ffffff;
  padding: 20px 24px;
  font-size: clamp(20px, 3.5vw, 28px);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.section-title-accent--spaced {
  margin-top: 56px;
}

.section-title-left {
  border-left: 5px solid var(--color-accent);
  padding: 8px 16px 14px;
  font-size: clamp(20px, 3.5vw, 28px);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 24px;
}

.section--offset {
  padding-top: calc(40px + var(--header-height));
}

@media (min-width: 768px) {
  .section--offset {
    padding-top: calc(64px + var(--header-height));
  }
}

@media (min-width: 1024px) {
  .section--offset {
    padding-top: calc(96px + var(--header-height));
  }
}

.lead-title {
  margin: 0;
  color: var(--color-accent);
  font-size: clamp(22px, 3.5vw, 36px);
  line-height: 1.4;
  font-weight: 600;
}

.lead-text {
  margin-top: 16px;
  font-size: clamp(16px, 2vw, 20px);
}

.feature-row {
  display: flex;
  flex-direction: column;
}

.feature-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-card__info {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 32px 24px 0;
  margin-bottom: -110px;
  position: relative;
  z-index: 2;
}

.feature-card__info--compact {
  padding-top: 20px;
}

.feature-card__image img {
  width: 100%;
}

@media (min-width: 768px) {
  .feature-row {
    flex-direction: row;
  }

  .feature-card {
    width: 50%;
  }

  .feature-card--image-only {
    align-self: flex-end;
  }

  .feature-card__info {
    padding: 40px 40px 0;
  }
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 160px;
  padding: 12px 16px;
  background: var(--color-default);
  color: #ffffff;
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--color-accent);
  color: #ffffff;
}

.btn-primary svg {
  width: 14px;
  height: 14px;
}

.profile {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.profile__title {
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  white-space: pre-line;
  line-height: 1.4;
}

.profile__message {
  white-space: pre-line;
  line-height: 1.9;
}

.profile__signature {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding-top: 20px;
  font-size: 1.1rem;
}

.profile__signature--center {
  justify-content: center;
}

.profile__signature strong {
  font-size: 1.6rem;
}

.profile__media {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.profile__media img {
  width: 100%;
}

.stack {
  margin-top: 32px;
}

@media (min-width: 768px) {
  .profile {
    flex-direction: row;
    align-items: flex-start;
  }

  .profile__text,
  .profile__media {
    width: 50%;
  }
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  font-size: 1rem;
}

.info-table th,
.info-table td {
  border-bottom: 1px solid #222222;
  padding: 20px 12px;
  vertical-align: top;
  text-align: left;
  font-weight: 400;
}

.info-table th {
  width: 32%;
}

.info-table ul {
  margin: 0;
  padding-left: 20px;
}

.info-table li {
  margin: 4px 0;
}

.values-block {
  font-size: clamp(18px, 3vw, 28px);
  font-weight: 600;
  line-height: 1.6;
  margin: 24px 0;
}

.site-footer {
  background: #ffffff;
}

.footer-promo {
  display: flex;
  flex-direction: column;
}

.footer-promo__left {
  background: url("../img/bg_contact@2x-80.webp") center/cover no-repeat;
  padding: 12% 10% 12% 10%;
}

.footer-promo__right {
  background: var(--color-accent);
  color: #ffffff;
  padding: 40px 24px;
  text-align: center;
}

.footer-promo__right h3 {
  margin: 0;
  font-size: clamp(26px, 6vw, 48px);
  font-weight: 700;
}

.footer-promo__right p {
  margin: 8px 0 0;
  font-size: clamp(16px, 3vw, 22px);
  font-weight: 600;
}

.footer-promo__right .btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
  padding: 14px 28px;
  border: 3px solid #ffffff;
  color: #ffffff;
  font-weight: 600;
  font-size: clamp(16px, 3vw, 22px);
}

.footer-promo__right .btn-outline:hover {
  background: #ffffff;
  color: var(--color-accent);
}

.footer-promo__right svg {
  width: 16px;
  height: 16px;
}

.footer-bottom {
  padding: 24px 20px 32px;
}

.footer-bottom p {
  margin: 8px 0 0;
}

@media (min-width: 768px) {
  .footer-promo {
    flex-direction: row;
  }

  .footer-promo__left,
  .footer-promo__right {
    width: 50%;
  }

  .footer-promo__left {
    padding: 80px 48px;
  }

  .footer-promo__right {
    padding: 60px 48px;
  }

  .footer-bottom {
    padding: 32px 40px 40px;
  }
}

.site-footer--compact .footer-promo {
  display: none;
}

.page-note {
  font-size: 1rem;
  line-height: 1.8;
}

.simple-heading {
  margin: 0;
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
}