/* ========================================
  Base
======================================== */
html {
  font-size: 62.5%;
  /* 1rem = 10px */
  scroll-behavior: smooth;
}

/* 1400px以上: 画面幅に比例してフォントサイズを拡大（上限なし） */
@media screen and (min-width: 1400px) {
  html {
    font-size: 0.7143vw;
    /* 1400pxで10px、それ以上で拡大 */
  }
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.6rem;
  line-height: 1.8;
  color: #444;
  background-color: #fff;
}

/* 768px以上: min-width 1280pxでスクロール可能 */
@media (min-width: 768px) {
  body {
    min-width: 1280px;
    overflow-x: auto;
  }
}

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

a {
  transition: opacity 0.3s ease;
}

a:hover {
  opacity: 0.7;
}

/* ========================================
  Common Components
======================================== */

/* Section Heading */
.section-heading {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
}

.section-heading--center {
  align-items: center;
  text-align: center;
}

.section-heading__en {
  font-family: 'Poppins', sans-serif;
  font-size: 6.4rem;
  font-weight: 500;
  line-height: 1;
  color: #0055b8;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.section-heading__ja {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.6rem;
  font-weight: 500;
  color: #64748b;
  letter-spacing: 0.13em;
}

.section-heading--white .section-heading__en {
  color: #fff;
}

.section-heading--white .section-heading__ja {
  color: rgba(255, 255, 255, 0.8);
}

/* Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 3rem;
  width: fit-content;
  padding: 1.6rem 2rem 1.6rem 4rem;
  border-radius: 9999px;
  background: linear-gradient(111deg, #0055b8 45%, #0099e1 103%);
  color: #fff;
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn:hover {
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 85, 184, 0.3);
}

.btn--small {
  width: 18.3rem;
  gap: 1.5rem;
}

.btn--white {
  background: #fff;
  color: #0055b8;
}

.btn__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background-color: #fff;
  flex-shrink: 0;
}

.btn__arrow img {
  width: 0.7rem;
  height: auto;
  margin-left: 3px;
}

.btn__arrow--gradient {
  background: linear-gradient(95deg, #0055b8 45%, #0099e1 103%);
}

/* Text Accent */
.text--accent {
  color: #0055b8;
}

/* PC/SP Display Utility */
.sp {
  display: none !important;
}

@media (max-width: 767px) {
  .pc {
    display: none !important;
  }

  .sp {
    display: block !important;
  }
}

/* ========================================
  Header
======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 144rem;
  height: 11rem;
  margin: 0 auto;
  padding: 0 3.2rem 0 5.5rem;
}

.header__logo a {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.header__logo-img {
  width: 22.9rem;
  height: auto;
  transition: opacity 0.3s ease;
}

/* ロゴの切り替え */
.header__logo-img--white {
  opacity: 1;
}

.header__logo-img--blue {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
}

.header.is-scrolled .header__logo-img--white {
  opacity: 0;
}

.header.is-scrolled .header__logo-img--blue {
  opacity: 1;
}

.header__logo-text {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.09em;
  transition: color 0.3s ease;
}

.header.is-scrolled .header__logo-text {
  color: #0055b8;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 3.4rem;
  padding: 1rem 1.3rem 1rem 4rem;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 0 14px rgba(0, 0, 0, 0.06), 0 0 2px rgba(0, 0, 0, 0.07);
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.header__nav-item a {
  display: block;
  height: 100%;
  font-size: 1.4rem;
  font-weight: 500;
  color: #0055b8;
  letter-spacing: 0.1em;
}

.header__contact-btn {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 2.4rem;
  border-radius: 9999px;
  background: linear-gradient(109deg, #0055b8 45%, #0099e1 103%);
  color: #fff;
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.header__contact-icon {
  width: 1.6rem;
  height: auto;
}

/* ========================================
  Footer
======================================== */
.footer {
  margin-top: -2rem;
  background: #333;
  padding: 10.3rem 0 3.2rem;
}

.footer__inner {
  max-width: 121.6rem;
  margin: 0 auto;
  padding: 0 2rem;
}

.footer__main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 6.8rem;
}

.footer__info {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.footer__logo {
  display: flex;
  align-items: flex-end;
  gap: 1.4rem;
}

.footer__logo-img {
  width: 22.9rem;
  height: auto;
}

.footer__logo-text {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.09em;
}

.footer__address {
  font-size: 1.4rem;
  font-weight: 400;
  color: #fff;
  letter-spacing: 0.05em;
  font-style: normal;
}

.footer__nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2.4rem;
}

.footer__nav-list a {
  font-size: 1.4rem;
  font-weight: 500;
  color: #fff;
  letter-spacing: 0.1em;
}

.footer__bottom {
  border-top: 0.5px solid #fff;
  padding-top: 3.2rem;
  text-align: center;
}

.footer__copyright {
  font-family: 'Poppins', sans-serif;
  font-size: 1.2rem;
  font-weight: 400;
  color: #fff;
  letter-spacing: 0.05em;
}

/* ========================================
  Page Hero (下層ページ共通)
======================================== */
.page-hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 32.2rem;
  overflow: hidden;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-hero__bg picture {
  display: block;
  width: 100%;
  height: 100%;
}

.page-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero__content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  padding-top: 5.3rem;
}

.page-hero__title-en {
  font-family: 'Poppins', sans-serif;
  font-size: 6.4rem;
  font-weight: 500;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.24rem;
  line-height: 1;
}

.page-hero__title-ja {
  font-size: 1.6rem;
  font-weight: 400;
  color: #fff;
  letter-spacing: 0.16rem;
}

/* ========================================
  Breadcrumb
======================================== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  padding: 1.8rem 0 7rem;
  width: 120rem;
  margin: 0 auto;
}

.breadcrumb__item {
  font-size: 1.2rem;
  font-weight: 400;
  color: #0055b8;
  letter-spacing: 0.03rem;
  text-decoration: none;
}

.breadcrumb__item--current {
  font-weight: 500;
  max-width: 80em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.breadcrumb__item:not(.breadcrumb__item--current) {
  opacity: 0.5;
}

.breadcrumb__separator {
  font-size: 1.2rem;
  color: #0055b8;
}

/* ========================================
  Section Contact (共通)
======================================== */
.section-contact {
  position: relative;
  z-index: 1;
  padding: 10rem 12.8rem 12rem;
  background: linear-gradient(152deg, #e8ebf1 28%, #fff 102%);
  border-radius: 2rem;
}

.section-contact__inner {
  max-width: 102.4rem;
  margin: 0 auto;
  padding: 0 3.2rem;
}

.section-contact__cards {
  display: flex;
  gap: 3.2rem;
  margin-top: 4.8rem;
}

/* Contact Card */
.contact-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 4.2rem 4rem;
  background: #fff;
  border-radius: 1.2rem;
}

.contact-card__icon {
  width: 3rem;
  height: 3rem;
}

.contact-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.contact-card__title {
  font-size: 1.8rem;
  font-weight: 500;
  color: #444;
  letter-spacing: 0.04em;
  margin-top: 10px;
  margin-bottom: 14px;
}

.contact-card__tel {
  font-family: 'Poppins', sans-serif;
  font-size: 3.9rem;
  font-weight: 600;
  color: #0055b8;
  letter-spacing: 0.02em;
  line-height: 1.2;
  margin-bottom: 4px;
}

.contact-card__note {
  font-size: 1.4rem;
  font-weight: 400;
  color: #6b7280;
  letter-spacing: 0.05em;
  margin-top: -0.5rem;
}

/* ========================================
  Hamburger Button (SP)
======================================== */
.header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  width: 4.4rem;
  height: 4.4rem;
  background: linear-gradient(109deg, #0055b8 45%, #0099e1 103%);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  padding: 0;
}

.header__hamburger-line {
  display: block;
  width: 2rem;
  height: 2px;
  background-color: #fff;
  border-radius: 1px;
}

/* 768px〜979px: ヘッダーナビの調整 */
@media (max-width: 979px) {
  .header__inner {
    padding: 0 2rem;
  }

  .header__logo {
    margin-top: 12px;
  }

  .header__logo-img {
    width: 18rem;
  }

  .header__logo-text {
    font-size: 1.2rem;
  }

  .header__nav {
    gap: 1.5rem;
    padding: 0.8rem 1rem 0.8rem 2rem;
  }

  .header__nav-list {
    gap: 1.5rem;
  }

  .header__nav-item a {
    font-size: 1.2rem;
  }

  .header__contact-btn {
    padding: 0.8rem 1.6rem;
    font-size: 1.2rem;
  }

  .header__contact-icon {
    width: 1.4rem;
  }
}

/* 767px以下: ハンバーガーメニュー */
@media (max-width: 767px) {
  .header__nav {
    display: none;
  }

  .header__hamburger {
    display: flex;
  }

  .header__inner {
    height: 7rem;
    padding: 0 1.6rem;
  }

  .header__logo-img {
    width: 16rem;
  }

  .header__logo-text {
    font-size: 1.2rem;
  }

  /* Page Hero SP */
  .page-hero {
    height: 20rem;
  }

  .page-hero__content {
    padding-top: 3rem;
  }

  .page-hero__title-en {
    font-size: 3.6rem;
  }

  .page-hero__title-ja {
    font-size: 1.2rem;
  }

  /* Breadcrumb SP */
  .breadcrumb {
    padding: 1.2rem 2rem;
    margin-bottom: 2rem;
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .breadcrumb__item {
    flex-shrink: 0;
    white-space: nowrap;
  }

  .breadcrumb__separator {
    flex-shrink: 0;
  }

  .breadcrumb__item--current {
    max-width: none;
  }

  /* Section Heading SP */
  .section-heading__en {
    font-size: 4rem;
  }

  .section-heading__ja {
    font-size: 1.2rem;
  }

  /* Section Contact SP */
  .section-contact {
    padding: 6rem 2rem 8rem;
    border-radius: 16px;
  }

  .section-contact__inner {
    padding: 0;
  }

  .section-contact__cards {
    flex-direction: column;
    gap: 2rem;
    margin-top: 3rem;
  }

  .contact-card {
    padding: 3rem 2rem;
  }

  .contact-card__title {
    margin-bottom: 8px;
  }

  .contact-card__tel {
    font-size: 2.8rem;
  }

  /* Footer SP */
  .footer {
    padding: 6rem 0 2.4rem;
  }

  .footer__main {
    align-items: flex-start;
    gap: 3rem;
  }

  .footer__logo {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
  }

  .footer__logo-img {
    width: 18rem;
  }

  .footer__address {
    font-size: 1.2rem;
  }

  .footer__nav-list {
    flex-direction: column;
    gap: 1.6rem;
  }

  .footer__nav-list a {
    font-size: 1.2rem;
  }

  .footer__bottom {
    padding-top: 2.4rem;
  }

  .footer__copyright {
    font-size: 1rem;
  }
}

/* ========================================
  Drawer Menu (SP)
======================================== */
.l-drawer {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.l-drawer.is-open {
  opacity: 1;
  visibility: visible;
}

.l-drawer__content {
  position: absolute;
  top: 0;
  right: 0;
  width: 85%;
  max-width: 32rem;
  height: 100%;
  background: linear-gradient(180deg, #0055b8 0%, #0099e1 100%);
  padding: 2rem;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
}

.l-drawer__content.is-visible {
  transform: translateX(0);
}

.l-drawer__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4rem;
}

.l-drawer__logo img {
  width: 16rem;
  height: auto;
}

.l-drawer__close {
  position: relative;
  width: 4rem;
  height: 4rem;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50%;
  cursor: pointer;
}

.l-drawer__close-line {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1.8rem;
  height: 2px;
  background-color: #fff;
  border-radius: 1px;
}

.l-drawer__close-line:first-child {
  transform: translate(-50%, -50%) rotate(45deg);
}

.l-drawer__close-line:last-child {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.l-drawer__nav {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.l-drawer__nav-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  text-decoration: none;
}

.l-drawer__nav-item:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.l-drawer__nav-text {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.l-drawer__nav-en {
  font-family: 'Poppins', sans-serif;
  font-size: 2rem;
  font-weight: 500;
  color: #fff;
  letter-spacing: 0.03em;
}

.l-drawer__nav-ja {
  font-size: 1.2rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.05em;
}

.l-drawer__nav-arrow {
  width: 0.8rem;
  height: auto;
  filter: brightness(0) invert(1);
}

.l-drawer__contact {
  margin-top: 3rem;
}

.l-drawer__contact-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  width: 100%;
  padding: 1.6rem 2rem;
  background: #fff;
  border-radius: 9999px;
  text-decoration: none;
}

.l-drawer__contact-icon {
  width: 1.8rem;
  height: auto;
}

.l-drawer__contact-btn span {
  font-size: 1.4rem;
  font-weight: 500;
  color: #0055b8;
  letter-spacing: 0.05em;
}