/* ===== BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 18px;
}

body {
  font-family: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", 'Noto Sans JP', 'メイリオ', Meiryo, sans-serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.7;
  color: #0D1828;
  background-color: #FFFFFF;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  min-width: 1200px;

}

section {
  padding-left: 40px;
  padding-right: 40px;
}

p {
  letter-spacing: 1.5px;
  line-height: 2.0;
}

/* ===== UTILITY CLASSES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
}

.sp_only {
  display: none;
}

/* 共通の大見出しスタイル */
.section-title {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.section-title-en {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 150px;
  font-weight: 100;
  line-height: 1;
  letter-spacing: 2.05px;
  color: #C50000;
  background: linear-gradient(90deg, rgb(197, 0, 0) 0%, rgb(212, 46, 30) 100%);
  -webkit-background-clip: text;
  -moz-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  -moz-text-fill-color: transparent;
}

/* グラデーション対応ブラウザでtransparentに */
@supports (-webkit-background-clip: text) or (-moz-background-clip: text) {
  .section-title-en {
    color: transparent;
  }
}

.section-title-jp {
  font-size: 40px;
  font-weight: 500;
  color: #333333;
  font-family: 'Noto Sans JP', "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", 'メイリオ', Meiryo, sans-serif;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background-color: #FFFFFF;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  z-index: 1000;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 72.92vw;
  min-width: 1200px;
  height: 100%;
}

.nav__brand {
  display: flex;
  align-items: center;

  a {
    line-height: 0;
  }
}

.nav__logo {
  height: 60px;
  width: auto;
}

.nav__menu {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 48px;
}

.nav__link {
  color: #0D1828;
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  display: flex;
  gap: 4px;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.nav__link:hover {
  color: #d42e1e;
}

.nav__link-main {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 2px;
}

.nav__link-sub {
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  color: #d42e1e;
  letter-spacing: 0.5px;
}

.nav__link:hover .nav__link-main {
  color: #EA5532;
}

.nav__link:hover .nav__link-sub {
  color: #EA5532;
}

.nav__toggle {
  display: none;
}


/* ===== HERO SECTION ===== */
.hero {
  background-color: transparent;
  background: url('../images/hero.png') no-repeat top center;
  background-size: contain;
  display: flex;
  width: 100%;
  height: calc(100vw * 0.3906);
  min-height: 468px;
  position: relative;
  margin: 0 auto;
  margin-top: 80px;
  margin-bottom: -6px;
}

.hero__container {
  display: flex;
  align-items: center;
  position: relative;
  z-index: 2;
  margin: unset;
}

.hero__content {
  margin-top: 30px;
  margin-left: max(14vw, 194px);
}

.hero__title {
  text-align: left;
  font-size: max(2.5vw, 30px);
  font-weight: 700;
  line-height: 2.0;
  letter-spacing: 1.5px;
  color: #FFFFFF;
  margin-bottom: 48px;
}

/* ===== BG IMAGE > CONCEPT - SERVICE ===== */
.background-wrapper {
  position: relative;
  display: contents;
}

.background-wrapper::before {
  content: '';
  z-index: -1;
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: url(../images/bg_network_1.png);
  background-repeat: no-repeat;
  background-position: top right;
}

/* ===== CONCEPT SECTION ===== */
.concept {
  padding-top: 80px;
  padding-bottom: 130px;
}

.concept__container {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 26px;
  align-items: start;
  max-width: 1200px;
  margin: 0 auto;
}

.concept__title {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.5;
  color: #c92d21;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  display: flex;
  flex-direction: column;
  align-items: start;
  position: relative;
}

.concept__title_box {
  display: flex;
  flex-direction: column;
  height: fit-content;
}

.concept__title_box > p {
  line-height: 1.5;
}

.concept__title_box.first > p {
  align-items: center;
  margin-top: -34px;

  small {
    font-weight: 400;
  }
}

.concept__title_box.second {
  align-items: center;
  margin-top: 20px;
}

.side_line.first {
  content: '';
  width: 3px;
  height: calc(100% + 40px);
  background-color: #c92d21;
  margin-right: 8px;
  margin-left: 20px;
}

.side_line.second {
  content: '';
  width: 3px;
  height: calc(100% + 40px);
  background-color: #c92d21;
  margin-right: 8px;
}

.concept__content {
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding-top: 100px;
}

.concept__text {
  font-size: 18px;
  line-height: 2.0;
  color: #202933;
  font-weight: 400;
}

.concept__text--highlight {
  font-weight: 500;
  color: #0D1828;
}

/* ===== SERVICE SECTION ===== */
.service {
  padding-top: 100px;
  padding-bottom: 96px;
  margin-top: -100px;
  overflow: hidden;
}

.service__header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 38px;
  align-items: start;
  margin-bottom: 48px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.service__title-section {
  display: flex;
  flex-direction: column;
}

.service__description-section {
  padding-top: 20px;
}

.service-item__container {
  max-width: none;
  width: 1920px;
  padding: 80px 0 86px 50px;
  margin: 0 0 0 -5.2vw;
  display: flex;
  flex-direction: column;
  gap: 52px;
  background-color: #f0f6f9;
  border-radius: 80px 0 0 80px;
  overflow: hidden;
}

.service-item {
  display: flex;
  flex-direction: column;
  gap: 30px;
  padding: 60px 50px;
  background: #FFFFFF;
  border-radius: 40px 0 0 40px;
  max-width: none;
}

.service-item:hover {
  box-shadow: 0 2px 30px rgba(212, 46, 30, 0.4);
}
.service-item__inner {
  max-width: 1200px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 10px;
  align-items: start;

}

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

.service-item__image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 16px;
}

.service-item__title {
  font-size: 40px;
  font-weight: 700;
  color: #d42e1e;
}

.service-item__description {
  font-size: 18px;
  line-height: 2.0;
  color: #333333;
  margin-bottom: 48px;
  word-break: keep-all;
}

.service-item__features_box {
  display: flex;
  align-items: center;
}

.service-item__features_box > p {
  font-size: 24px;
  writing-mode: vertical-rl;
  line-height: 1.5;
  font-weight: 400;
  padding: 20px 0;
  padding-right: 20px;
  margin-right: 10px;
  border-right: 1px solid #333;
}

.service-item__features {
  list-style: none;
}

.service-item__features li {
  font-size: 18px;
  color: #333333;
  margin-bottom: 8px;
  padding-left: 24px;
  position: relative;
}

.service-item__features p {
  font-size: 18px;
  color: #333333;
  margin-top: 30px;
}

.service-item__features li::before {
  content: '';
  width: 18px;
  height: 18px;
  background-image: url('../images/arrow_up.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  position: absolute;
  left: 0;
  top: 6px;
}

.service-item__cta {
  display: inline-block;
  background-color: #FFFFFF;
  color: #d42e1e;
  text-decoration: none;
  font-size: 24px;
  font-weight: 700;
  padding: 24px 96px;
  border: 2px solid #d42e1e;
  border-radius: 48px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background-image: url(/dev/assets/images/arrow.png);
  background-repeat: no-repeat;
  background-position: center right 30px;
}

.service-item__cta:hover {
  background-color: #d42e1e;
  color: #FFFFFF;
  transform: translateX(4px);
}

/* ===== POINT SECTION ===== */
.point {
  padding-top: 96px;
  padding-bottom: 96px;
  background-color: #FFFFFF;
}

.point__header {
  text-align: left;
  margin-bottom: 96px;
}

.point__title {
  display: flex;
  flex-direction: column;
  gap: 8px;
}


.point__grid {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: 0 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.point__grid_line {
  display: block;
  width: 2px;
  height: auto;
  background-color: #c0c0c0;
}

.point__grid_line:nth-of-type(1) {
  margin-bottom: 40px;
}

.point__grid_line:nth-of-type(2) {
  margin-top: 40px;
}

.point__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  padding: 50px 0;
}

.point__item:nth-of-type(-n + 2) {
  border-bottom: 2px solid #c0c0c0;
}

.point__item-icon {
  flex-shrink: 0;
  width: auto;
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.point__item-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.point__item-content {
  flex: 1;
}

.point__item-title {
  text-align: center;
  font-size: 40px;
  font-weight: 700;
  color: #c92d21;
  margin-bottom: 24px;
  line-height: 1.4;
}

.point__item-description {
  padding: 0 12px;
}

.point__mission {
  text-align: center;
  padding: 96px;
  background: linear-gradient(135deg, #F29B87 0%, #EA5532 100%);
  border-radius: 12px;
  margin-bottom: 96px;
}

.point__mission-title {
  font-size: 24px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 32px;
}

.point__mission-text {
  font-size: 20px;
  font-weight: 500;
  color: #FFFFFF;
  line-height: 1.4;
}

.point__values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.point__value {
  padding: 32px;
  border-left: 4px solid #26B7BC;
  background: #F8F9FA;
}

.point__value-title {
  font-size: 18px;
  font-weight: 700;
  color: #0D1828;
  margin-bottom: 16px;
}

.point__value-description {
  font-size: 16px;
  color: #7C7C7C;
}

/* ===== PHILOSOPHY SECTION ===== */
.philosophy {
  padding-top: 96px;
  padding-bottom: 150px;
  background-color: #FFFFFF;
  background-image: url(../images/bg_network_2.png);
  background-repeat: no-repeat;
  background-position: bottom -100px left;
}

.philosophy__header {
  text-align: left;
  margin-bottom: 16px;
}

.philosophy__title {
  display: flex;
  flex-direction: column;
  gap: 8px;
}


.philosophy__grid {
  display: flex;
  flex-direction: column;
  max-width: 1400px;
  margin: 0 auto;
}

.philosophy__item {
  display: flex;
  align-items: flex-start;
  gap: 74px;
  background: transparent;
  border-left: 2px solid #c92d21;
}

.philosophy__item:first-of-type {
  padding-top: 30px;
}
.philosophy__item-left {
  flex: 0 0 auto;
  width: 384px;
  position: relative;
  padding: 40px 0;
  padding-left: 60px;
}

.philosophy__item-left::after {
  content: '';
  position: absolute;
  left: -15px;
  top: 40%;
  transform: translateY(-60%);
  width: 28px;
  height: 28px;
  background: #c92d21;
  border-radius: 50%;
  z-index: 1;
}

.philosophy__item-right {
  flex: 1;
  padding: 40px 0;
}

.philosophy__item-title {
  font-size: 80px;
  font-weight: 100;
  color: #c92d21;
  margin: 0;
  font-family: 'Noto Sans JP', sans-serif;
  letter-spacing: 0.5px;
  line-height: 1;
}

.philosophy__item-subtitle {
  font-size: 24px;
  margin: 20px 0 0 0;
  letter-spacing: 0.5px;
}

.philosophy__item-description {
  font-size: 18px;
  line-height: 2.0;
  margin: 0;
}

/* ===== MESSAGE SECTION ===== */
.message {
  padding-top: 96px;
  padding-bottom: 96px;
  background-image: url(../images/bg_message.png);
  background-repeat: no-repeat;
  background-size: contain;
}

.message__container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.message__header {
  max-width: 1200px;
  text-align: left;
  margin-top: 110px;
  margin-bottom: 80px;
  width: 100%;
}

.message__section-title-en {
  color: white;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 150px;
  font-weight: 100;
  line-height: 1;
  letter-spacing: 2.05px;
}

.message__section-title-jp {
  font-size: 40px;
  font-weight: 700;
  color: #ffffff;
}

.message__card {
  background: #ffffff;
  border-radius: 40px;
  padding: 110px 88px 80px;
  box-shadow: 0 3px 65px rgba(49, 49, 49, 0.09);
  margin: 0 auto;
  max-width: 1300px;
}

.message__title {
  font-size: 40px;
  font-weight: 700;
  color: #333333;
  line-height: 1;
  text-align: center;
  margin: 0 0 60px 0;
  letter-spacing: 0.156px;
}

.message__content {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.message__text {
  margin: 0;
}

.message__excerpt {
  margin: 0 0 32px 0;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.message__excerpt.hidden {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin: 0;
}

.message__expanded {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  margin: 0;
}

.message__expanded.expanded {
  max-height: 2000px; /* 十分大きな値 */
  opacity: 1;
  margin: 0 0 32px 0;
}

.message__benefits {
  display: flex;
  gap: 10px;
  margin: 24px 0;
  padding: 20px 0;
}

.message__benefit {
  padding: 8px 16px;
  border: 1px solid #d42e1e;
  color: #d42e1e;
  font-weight: 700;
  font-size: 18px;
  text-align: center;
  display: inline-block;
  width: fit-content;
}

.message__toggle {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  background: none;
  border: none;
  color: #d42e1e;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.094px;
  cursor: pointer;
  padding: 20px 0 0 0;
  margin: 0 auto;
  transition: opacity 0.3s ease;
}

.message__toggle:hover {
  opacity: 0.8;
}

.message__toggle-text {
  transition: all 0.3s ease;
}

.message__arrow {
  transition: transform 0.3s ease;
}

.message__toggle.expanded .message__toggle-text::before {
  content: "閉じる";
}

.message__toggle.expanded .message__toggle-text {
  display: none;
}

.message__toggle.expanded::before {
  content: "閉じる";
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.094px;
  color: #d42e1e;
}

.message__toggle.expanded .message__arrow {
  transform: rotate(180deg);
}

/* ===== RECRUITMENT SECTION ===== */
.careers {
  padding-top: 96px;
  padding-bottom: 140px;
  background-color: #FFFFFF;
}

.careers__header {
  text-align: left;
  margin-bottom: 48px;
}

.careers__content {
  max-width: 1200px;
  margin: 0 auto;
}

.careers__description {
  margin-bottom: 32px;
  max-width: 1200px;
}

.careers__highlight {
  color: #d42e1e;
  font-weight: 600;
}

.careers__cards {
  display: flex;
  justify-content: space-between;
  margin: 64px 0;
}

.careers__card {
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px 0;
}

.careers__card:nth-of-type(2) {
  padding-left: 30px;
  padding-right: 30px;
  border-left: 1px solid #888;
  border-right: 1px solid #888;
}

.careers__card-image {
  width: auto;
  height: 348px;
  margin: 0 auto 24px;
}

.careers__card-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.careers__card-title {
  font-size: 40px;
  font-weight: 700;
  color: #d42e1e;
  margin-bottom: 32px;
  line-height: 1.0;
}

.careers__card-text {
  text-align: left;
  width: 320px;
  margin: 0 auto;
}

.careers__message {
  max-width: 1000px;
}

.careers__message p {
  margin-bottom: 48px;
  text-align: left;
}

.careers__button {
  display: flex;
}

.careers__cta {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  background-color: transparent;
  color: #d42e1e;
  border: 2px solid #d42e1e;
  text-decoration: none;
  font-size: 24px;
  font-weight: 700;
  margin: 0 auto;
  padding: 32px 160px;
  border-radius: 60px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin-top: 24px;
  background-image: url(../images/arrow.png);
  background-repeat: no-repeat;
  background-position: center right 30px;
}

.careers__cta:hover {
  background-color: #d42e1e;
  color: #FFFFFF;
  transform: translateY(-2px);
}

.careers__cta-arrow {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.careers__cta:hover .careers__cta-arrow {
  transform: translateX(4px);
}


/* ===== COMPANY SECTION ===== */
.company {
  padding-top: 130px;
  padding-bottom: 150px;
  position: relative;
  background-image: url(../images/bg_company.png);
  background-repeat: no-repeat;
  background-size: cover;
}

.company__header {
  text-align: left;
  margin-bottom: 32px;
}

.company__content {
  max-width: 1200px;
  display: flex;
  flex-direction: row-reverse;
}

.company__table {
  width: fit-content;
  overflow: hidden;
}

.company__table th,
.company__table td {
  text-align: left;
  vertical-align: top;
  font-size: 18px;
  font-weight: 400;
  line-height: 2.0;
}

.company__table th {
  color: #333333;
  padding-right: 40px;
}

.company__table td {
  color: #333333;
}

.company__table tr:last-child th,
.company__table tr:last-child td {
  border-bottom: none;
}

/* ===== FOOTER ===== */
.footer {
  background-color: #D42E1E;
  color: rgba(249, 248, 255, 1.0);
  padding: 32px 0;
  display: flex;
  align-items: center;
}

.footer__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
  text-align: center;
  width: 100%;
}

.footer__nav {
  width: 100%;
}

.footer__list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  list-style: none;
}

.footer__link {
  color: rgba(249, 248, 255, 1.0);
  text-decoration: none;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.9px;
  line-height: 36px;
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer__link:hover {
  opacity: 0.8;
}

.footer__brand {
  display: flex;
  justify-content: center;
  align-items: center;
}

.footer__logo {
  width: 122px;
  height: 82px;
  object-fit: contain;
}

.footer__bottom {
  text-align: center;
  margin-top: 48px;
}

.footer__copyright {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.05px;
  color: rgba(249, 248, 255, 1.0);
  line-height: 14px;
}

/* ===== MOBILE STYLES ===== */
@media (max-width: 768px) {
  
  /* ===== BASE MOBILE STYLES ===== */
  html {
    font-size: 11px;
  }
  
  body {
    font-size: 11px;
    line-height: 1.4;
  }
  
  main {
    min-width: unset;
    width: 100%;
  }

  p {
    letter-spacing: 0.8px;
  }
  
  section {
    padding-left: 18px;
    padding-right: 18px;
  }
  
  .container {
    max-width: 100%;
    padding: 0;
  }

  .pc_only {
    display: none;
  }

  .sp_only {
    display: block;
  }
  
  /* 共通の大見出しスタイル - モバイル */
  .section-title {
    gap: 10px;
  }
  .section-title-en {
    font-size: 50px;
    letter-spacing: 1px;
  }
  
  .section-title-jp {
    font-size: 15px;
    font-weight: 500;
  }
  
  /* ===== HEADER MOBILE ===== */
  .header {
    height: 50px;
  }
  
  .nav {
    max-width: 100%;
    min-width: unset;
    padding: 0 10px;
    position: relative;
  }
  
  .nav__logo {
    height: 35px;
  }
  
  .nav__toggle {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    width: 43px;
    height: 43px;
    justify-content: center;
    align-items: center;
    gap: 4px;
    background-color: #d42e1e;
    border-radius: 50%;
    z-index: 1001;
  }
  
  .nav__toggle-line {
    width: 22px;
    height: 2px;
    background-color: white;
    transition: all 0.3s ease;
  }
  
  .nav__toggle.active .nav__toggle-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
  }
  
  .nav__toggle.active .nav__toggle-line:nth-child(2) {
    opacity: 0;
  }
  
  .nav__toggle.active .nav__toggle-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -5px);
  }
  
  .nav__menu {
    position: fixed;
    top: 50px;
    left: -100%;
    width: 100%;
    height: auto;
    background-color: #7e1b12;
    opacity: 0.95;
    transition: left 0.3s ease;
    z-index: 1000;
    overflow-y: auto;
  }
  
  .nav__menu.active {
    left: 0;
  }
  
  .nav__list {
    display: block;
    flex-direction: column;
    padding: 35px 20px;
  }
  
  .nav__item {
    display: inline-block;
    width: 100%;
    border-bottom: 1px dotted #E5E5E5;
    margin-bottom: 16px;
  }
  
  .nav__link {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 0;
    width: 100%;
    color: white;
    padding-bottom: 10px;
    position: relative;
    padding-left: 32px;
  }
  
  .nav__link::before {
    content: "";
    position: absolute;
    left: 0;
    top: -5px;
    width: 28px;
    height: 28px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M9 18L15 12L9 6' stroke='white' stroke-width='1' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
  }
  
  .nav__link-main {
    font-size: 15.5px;
    font-weight: 700;
  }
  
  .nav__link-sub {
    display: none;
  }
  
  /* ===== HERO MOBILE ===== */
  .hero {
    height: auto;
    min-height: 437px;
    margin-top: 50px;
    background: url('../images/sp/hero.jpg') no-repeat;
    background-size: cover;
    background-position: bottom center;
  }
  
  .hero__container {
    padding: 0;
    margin: 0 auto;
    justify-content: center;
    align-items: unset;
  }
  
  .hero__content {
    margin-left: 0;
    margin-top: 20px;
  }
  
  .hero__title {
    text-align: center;
    font-size: min(5.87vw, 22px);
    line-height: 1.5;
    margin-bottom: 24px;
    letter-spacing: 0;
  }
  
  /* ===== CONCEPT MOBILE ===== */
  .background-wrapper::before {
    display: none;
  }

  .concept {
    padding-top: 40px;
    padding-bottom: 60px;
    background-image: url('../images/sp/bg_network_1.png');
    background-repeat: no-repeat;
    background-size: contain;
    background-position: 25px 0;
  }
  
  .concept__container {
    display: flex;
    flex-direction: column-reverse;
    gap: 25.5px;
  }
  
  .concept__title {
    font-size: 25px;
    writing-mode: horizontal-tb;
    text-orientation: initial;
    text-align: left;
    line-height: 1.4;
  }
  
  .concept__title_box {
    margin-top: 0;
    border-bottom: 2px solid #d42e1e;
  }
  
  .concept__title_box.first > p {
    margin-top: 0;
    margin-left: -14px;
    padding-right: 20px;
  }
  
  .concept__title_box.second {
    margin-top: 6px;
    padding-left: 10px;
    padding-right: 20px;
  }
  
  .side_line {
    display: none;
  }
  
  .concept__content {
    padding-top: 0;
    gap: 24px;
  }
  
  .concept__text {
    font-size: 11px;
    line-height: 1.8;
  }
  
  /* ===== SERVICE MOBILE ===== */
  .service {
    padding-top: 0;
    padding-bottom: 60px;
    padding-left: 10px;
    padding-right: 0;
    margin-top: 0;
  }
  
  .service__header {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 20px;
    padding-left: 10px;
  }
  
  .service__description-section {
    padding-top: 0;
    display: none;
  }
  
  .service-item__container {
    width: 100%;
    padding: 20px 0 20px 20px;
    margin: 0;
    border-radius: 40px 0 0 40px;
    gap: 32px;
  }
  
  .service-item {
    padding: 30px 40px 30px 20px;
    border-radius: 20px 0 0 20px;
    gap: 0;
  }
  
  .service-item__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }
  
  .service-item__visual {
    order: 2;
  }
  
  .service-item__title {
    font-size: 20px;
    text-align: center;
    margin-bottom: 16px;
  }
  
  .service-item__description {
    font-size: 11px;
    word-break: unset;
    margin-bottom: 30px;
    line-height: 1.8;
  }
  
  .service-item__features_box {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .service-item__features_box > p {
    font-size: 12px;
    text-align: center;
    writing-mode: horizontal-tb;
    padding: 0 0 13px 0;
    margin-right: 0;
    margin-bottom: 14px;
    border-right: none;
    border-bottom: 1px solid #333;
    width: 100%;
  }
  
  .service-item__features p {
    font-size: 11px;
    margin-top: 20px;
    padding-left: 15px;
    letter-spacing: 0.6px;
  }

  .service-item__features li {
    font-size: 11px;
    padding-left: 16px;
  }

  .service-item__features li::before {
    width: 10.5px;
    height: 10.5px;
    top: 3px;
  }

  .service-item__visual > .service-item__image {
    display: none;
  }

  .service-item__visual__sp > .service-item__image {
    margin-bottom: 23.5px;
    border-radius: unset;
  }
  
  .service-item__cta {
    width: 205px;
    font-size: 12px;
    padding: 14px 40px;
    background-position: center right 15px;
    background-size: 8px;
    border-width: 1px;
  }
  
  /* ===== POINT MOBILE ===== */
  .point {
    padding-top: unset;
    padding-bottom: 60px;
  }
  
  .point__header {
    margin-bottom: unset;
  }
  
  .point__grid {
    display: flex;
    flex-direction: column;
    gap: unset;
  }
  
  .point__grid_line {
    display: none;
  }
  
  .point__item {
    padding: 40px 0;
    border-bottom: 1px solid #c0c0c0;
  }
  
  .point__item:nth-of-type(-n + 2) {
    border-bottom: 1px solid #c0c0c0;
  }
  
  .point__item:last-child {
    border-bottom: none;
    padding-bottom: 30px;
  }
  
  .point__item-icon {
    height: 200px;
  }
  
  .point__item-title {
    font-size: 20px;
    margin-bottom: 16px;
  }
  
  .point__item-description {
    padding: 0 8px;
    font-size: 11px;
    line-height: 1.8;
  }
  
  .point__mission {
    padding: 60px 40px;
    margin-bottom: 60px;
  }
  
  .point__mission-title {
    font-size: 18px;
    margin-bottom: 24px;
  }
  
  .point__mission-text {
    font-size: 16px;
  }
  
  .point__values {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  
  .point__value {
    padding: 24px;
  }
  
  .point__value-title {
    font-size: 16px;
    margin-bottom: 12px;
  }
  
  .point__value-description {
    font-size: 14px;
  }
  
  /* ===== PHILOSOPHY MOBILE ===== */
  .philosophy {
    padding-top: unset;
    padding-bottom: 40px;
    background-image: url('../images/sp/bg_network_2.png');
    background-repeat: no-repeat;
    background-position: top;
    background-size: contain;
  }
  
  .philosophy__header {
    margin-bottom: 14px;
  }
  
  .philosophy__grid {
    max-width: 100%;
  }
  
  .philosophy__item {
    flex-direction: column;
    gap: 14px;
    border-width: 1px;
    padding-left: 20px;
    padding-bottom: 30px;
    margin-left: 5px;
  }

  .philosophy__item:first-child {
    padding-top: 20px;
  }
  
  .philosophy__item:last-child {
    border-bottom: none;
    margin-bottom: 0;
  }
  
  .philosophy__item-left {
    width: 100%;
    padding: 0;
    text-align: left;
  }
  
  .philosophy__item-left::after {
    left: -28px;
    top: 28%;
    width: 14px;
    height: 14px;
  }
  
  .philosophy__item-right {
    padding: 0;
  }
  
  .philosophy__item-title {
    font-size: 40px;
    text-align: left;
    line-height: 0.6;
  }
  
  .philosophy__item-subtitle {
    font-size: 12px;
    text-align: left;
  }
  
  .philosophy__item-description {
    font-size: 11px;
    line-height: 2.0;
    text-align: left;
  }

  .philosophy__item-description__sp {
    line-height: 2.0;
    margin-left: -10px;
  }

  
  .philosophy__item-description__sp > dt::before {
    content: '・';
  }
  
  .philosophy__item-description__sp > dd {
    padding-left: 10px;
  }

  /* ===== MESSAGE MOBILE ===== */
  .message {
    background-size: cover;
    background-position: center;
    padding: 0 10px 60px;
  }
  
  .message__container {
    max-width: 100%;
    padding: 0;
  }
  
  .message__header {
    padding: 0 8px;
    margin: 40px 0 25px;
  }
  
  .message__section-title-en {
    font-size: 50px;
  }
  
  .message__section-title-jp {
    font-size: 15px;
  }
  
  .message__card {
    padding: 30px 24px;
    border-radius: 20px;
    max-width: 100%;
  }
  
  .message__title {
    font-size: 20px;
    line-height: 2.0;
    margin-bottom: 20px;
  }
  
  .message__text {
    font-size: 11px;
    line-height: 1.8;
  }
  
  .message__benefits {
    flex-direction: column;
    gap: 12px;
    margin: 0;
  }
  
  .message__benefit {
    font-size: 12px;
    padding: 12px 16px;
    width: 100%;
    text-align: center;
  }

  .message__content {
    gap: 0;
  }
  .message__excerpt {
    margin-bottom: 0;
  }
  
  .message__toggle {
    font-size: 12px;
    gap: 6px;
  }

  .message__arrow {
    width: 12px;
  }

  .message__expanded.expanded {
    margin-bottom: 0;
  }

  .message__toggle.expanded::before {
    font-size: 12px;
  }
  
  /* ===== CAREERS MOBILE ===== */
  .careers {
    padding-top: 30px;
    padding-bottom: 50px;
  }
  
  .careers__header {
    margin-bottom: 24px;
  }
  
  .careers__description {
    font-size: 11px;
    line-height: 1.8;
    margin-bottom: 24px;
  }
  
  .careers__cards {
    flex-direction: column;
    gap: 16px;
    margin: 40px 0;
  }
  
  .careers__card {
    padding: 0;
  }
  
  .careers__card:nth-of-type(n + 1) {
    padding: 20px 0 20px;
    border-left: none;
    border-right: none;
    border-top: none;
    border-bottom: 1px solid #888;
  }
  
  .careers__card-image {
    height: 160px;
    margin-bottom: 10px;
  }
  
  .careers__card-title {
    font-size: 20px;
    margin-bottom: 16px;
  }
  
  .careers__card-text {
    font-size: 11px;
    line-height: 1.8;
    margin-bottom: 16px;
  }
  
  .careers__message p {
    font-size: 11px;
    line-height: 1.8;
    margin-bottom: 32px;
  }
  
  .careers__cta {
    font-size: 12px;
    padding: 20px 76px;
    margin: 0 auto;
    border-width: 1px;
    background-position: center right 20px;
    background-size: 10px;
  }
  
  /* ===== COMPANY MOBILE ===== */
  .company {
    padding-top: 50px;
    padding-bottom: 30px;
    background-size: cover;
    background-position: 0px;
  }
  
  .company__header {
    margin-bottom: 20px;
  }

  .company__content {
    flex-direction: row;
  }

  .company__table {
    padding: 10px;
  }

  .company__table th,
  .company__table td {
    font-size: 11px;
  }

  .company__table th {
    padding-right: 20px;
  }
  

  /* ===== FOOTER MOBILE ===== */
  .footer {
    padding: 24px 0;
  }
  
  .footer__content {
    gap: 0;
  }
  
  .footer__list {
    display: none;
  }
    
  .footer__logo {
    width: 43px;
    height: auto;
  }
  
  .footer__bottom {
    margin-top: 16px;
  }
  .footer__copyright {
    font-size: 7px;
    line-height: 1.0;
  }
}