/* ========================================
   基本設定
======================================== */

:root {
  --color-navy: #0d2744;
  --color-navy-dark: #081a2d;
  --color-blue: #163b63;
  --color-light-blue: #eef4f8;
  --color-white: #ffffff;
  --color-text: #1d2733;
  --color-text-light: #5d6874;
  --color-border: #d9e1e8;
  --color-background: #f7f9fb;

  --content-width: 1200px;
  --header-height: 84px;

  --font-main:
    -apple-system,
    BlinkMacSystemFont,
    "Helvetica Neue",
    "Yu Gothic",
    "YuGothic",
    "Hiragino Kaku Gothic ProN",
    "Hiragino Sans",
    Meiryo,
    sans-serif;
}


/* ========================================
   リセット
======================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  color: var(--color-text);
  background-color: var(--color-white);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
p,
dl,
dd {
  margin: 0;
}

button,
input,
textarea,
select {
  font: inherit;
}

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


/* ========================================
   共通レイアウト
======================================== */

.section {
  padding: 110px 24px;
}

.section__inner {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
}

.section-heading {
  margin-bottom: 56px;
}

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

.section-heading--light {
  color: var(--color-white);
}

.section-heading__english {
  margin-bottom: 8px;
  color: var(--color-blue);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.section-heading--light .section-heading__english {
  color: rgba(255, 255, 255, 0.72);
}

.section-heading__title {
  color: var(--color-navy);
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.06em;
}

.section-heading--light .section-heading__title {
  color: var(--color-white);
}

.section-heading__description {
  max-width: 720px;
  margin: 20px auto 0;
  color: var(--color-text-light);
  font-size: 16px;
  line-height: 1.9;
}

.desktop-only {
  display: block;
}


/* ========================================
   ヘッダー
======================================== */

.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(13, 39, 68, 0.08);
  box-shadow: 0 4px 20px rgba(8, 26, 45, 0.05);
  backdrop-filter: blur(12px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1320px;
  height: 100%;
  margin: 0 auto;
  padding: 0 32px;
}

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

.site-header__logo img {
    width: auto;
    height: 46px;
    display: block;
}

.global-navigation {
  height: 100%;
}

.global-navigation__list {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 42px;
}

.global-navigation__item {
  height: 100%;
}

.global-navigation__item a {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
  color: var(--color-navy);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  transition:
    color 0.25s ease,
    opacity 0.25s ease;
}

.global-navigation__item a::after {
  position: absolute;
  right: 0;
  bottom: 20px;
  left: 0;
  width: 0;
  height: 2px;
  margin: auto;
  background-color: var(--color-navy);
  content: "";
  transition: width 0.25s ease;
}

.global-navigation__item a:hover::after {
  width: 100%;
}

.menu-button {
  display: none;
  width: 38px;
  height: 38px;
}

.menu-button__line {
  display: block;
  width: 26px;
  height: 2px;
  margin: 6px auto;
  background-color: var(--color-navy);
  transition:
    transform 0.3s ease,
    opacity 0.3s ease;
}


/* ========================================
   HERO
======================================== */

.hero-section {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 760px;
  padding: calc(var(--header-height) + 70px) 24px 90px;
  overflow: hidden;
  color: var(--color-white);
  background-color: var(--color-navy-dark);
}

.hero-section__background {
  position: absolute;
  inset: 0;
}

.hero-section__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-section__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(5, 21, 37, 0.92) 0%,
      rgba(5, 21, 37, 0.74) 48%,
      rgba(5, 21, 37, 0.38) 100%
    );
}

.hero-section__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
}

.hero-section__company-name {
  margin-bottom: 18px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.24em;
  opacity: 0.78;
}

.hero-section__title {
  max-width: 820px;
  font-size: clamp(46px, 6vw, 78px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: 0.05em;
}

.hero-section__description {
  max-width: 720px;
  margin-top: 28px;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 2;
  letter-spacing: 0.05em;
}

.hero-section__results {
  display: flex;
  margin-top: 46px;
  gap: 18px;
}

.hero-section__result {
  min-width: 245px;
  padding: 22px 28px;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(8px);
}

.hero-section__result dt {
  margin-bottom: 5px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  opacity: 0.82;
}

.hero-section__result dd {
  display: flex;
  align-items: baseline;
  gap: 5px;
}

.hero-section__result strong {
  font-size: 31px;
  font-weight: 700;
  line-height: 1.3;
}

.hero-section__result span {
  font-size: 14px;
}

.hero-section__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 220px;
  min-height: 58px;
  margin-top: 36px;
  padding: 14px 30px;
  color: var(--color-navy);
  background-color: var(--color-white);
  border: 1px solid var(--color-white);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition:
    color 0.25s ease,
    background-color 0.25s ease,
    transform 0.25s ease;
}

.hero-section__button::after {
  margin-left: 18px;
  content: "→";
  font-size: 18px;
}

.hero-section__button:hover {
  color: var(--color-white);
  background-color: transparent;
  transform: translateY(-2px);
}


/* ========================================
   ABOUT
======================================== */

.about-section {
  background-color: var(--color-white);
}

.about-section__inner {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: start;
  gap: 80px;
}

.about-section .section-heading {
  margin-bottom: 0;
}

.about-section__content {
  padding-top: 10px;
}

.about-section__content p {
  color: var(--color-text-light);
  font-size: 17px;
  line-height: 2.15;
}

.about-section__content p + p {
  margin-top: 24px;
}


/* ========================================
   タブレット
======================================== */

@media screen and (max-width: 1024px) {

  :root {
    --header-height: 76px;
  }

  .section {
    padding: 90px 24px;
  }

  .site-header__inner {
    padding: 0 24px;
  }

  .global-navigation__list {
    gap: 26px;
  }

  .hero-section {
    min-height: 700px;
  }

  .hero-section__title {
    max-width: 700px;
  }

  .about-section__inner {
    grid-template-columns: 1fr;
    gap: 34px;
  }

}


/* ========================================
   スマホ
======================================== */

@media screen and (max-width: 767px) {

  :root {
    --header-height: 68px;
  }

  body {
    font-size: 15px;
  }

  .section {
    padding: 72px 20px;
  }

  .section-heading {
    margin-bottom: 38px;
  }

  .section-heading__english {
    font-size: 11px;
  }

  .section-heading__title {
    font-size: 29px;
  }

  .section-heading__description {
    margin-top: 14px;
    font-size: 14px;
  }

  .desktop-only {
    display: none;
  }

  .site-header__inner {
    padding: 0 20px;
  }

  .site-header__logo {
    width: 145px;
    min-width: 145px;
  }

  .menu-button {
    position: relative;
    z-index: 1002;
    display: block;
  }

  .global-navigation {
    position: fixed;
    z-index: 1001;
    top: var(--header-height);
    right: 0;
    left: 0;
    height: auto;
    max-height: 0;
    overflow: hidden;
    background-color: var(--color-white);
    box-shadow: 0 12px 22px rgba(8, 26, 45, 0.1);
    opacity: 0;
    transition:
      max-height 0.35s ease,
      opacity 0.25s ease;
  }

  .global-navigation.is-open {
    max-height: 420px;
    opacity: 1;
  }

  .global-navigation__list {
    display: block;
    height: auto;
    padding: 12px 20px 22px;
  }

  .global-navigation__item {
    height: auto;
    border-bottom: 1px solid var(--color-border);
  }

  .global-navigation__item a {
    display: block;
    height: auto;
    padding: 17px 4px;
    font-size: 14px;
  }

  .global-navigation__item a::after {
    display: none;
  }

  .menu-button.is-open .menu-button__line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .menu-button.is-open .menu-button__line:nth-child(2) {
    opacity: 0;
  }

  .menu-button.is-open .menu-button__line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .hero-section {
    min-height: 690px;
    padding: calc(var(--header-height) + 48px) 20px 62px;
  }

  .hero-section__overlay {
    background:
      linear-gradient(
        90deg,
        rgba(5, 21, 37, 0.9) 0%,
        rgba(5, 21, 37, 0.75) 100%
      );
  }

  .hero-section__company-name {
    margin-bottom: 12px;
    font-size: 11px;
  }

  .hero-section__title {
    font-size: 40px;
    line-height: 1.3;
  }

  .hero-section__description {
    margin-top: 22px;
    font-size: 15px;
    line-height: 1.9;
  }

  .hero-section__results {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-top: 32px;
    gap: 10px;
  }

  .hero-section__result {
    min-width: 0;
    padding: 16px 14px;
  }

  .hero-section__result dt {
    font-size: 11px;
  }

  .hero-section__result strong {
    font-size: 23px;
  }

  .hero-section__result span {
    font-size: 11px;
  }

  .hero-section__button {
    width: 100%;
    min-width: 0;
    min-height: 54px;
    margin-top: 26px;
  }

  .about-section__inner {
    gap: 24px;
  }

  .about-section__content {
    padding-top: 0;
  }

  .about-section__content p {
    font-size: 15px;
    line-height: 2;
  }

}

/* ========================================
   BUSINESS
======================================== */

.business-section {
    background: #f7f9fc;
}

.business-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
    margin-bottom: 120px;
}

.business-item:last-child {
    margin-bottom: 0;
}

.business-item--reverse .business-item__image-area {
    order: 2;
}

.business-item--reverse .business-item__content {
    order: 1;
}

.business-item__image {
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,.08);
}

.business-item__number {
    color: #0d2744;
    font-size: 14px;
    font-weight: bold;
    letter-spacing: .2em;
    margin-bottom: 10px;
}

.business-item__english {
    color: #6d7d8d;
    font-size: 13px;
    letter-spacing: .2em;
    margin-bottom: 12px;
}

.business-item__title {
    font-size: 34px;
    line-height: 1.5;
    color: #0d2744;
    margin-bottom: 25px;
}

.business-item__description {
    color: #5c6977;
    line-height: 2;
    margin-bottom: 20px;
}


/* ========================================
   COMPANY
======================================== */

.company-section {
    background: #fff;
}

.company-profile {
    border-top: 1px solid #ddd;
}

.company-profile__row {
    display: grid;
    grid-template-columns: 220px 1fr;
    border-bottom: 1px solid #ddd;
}

.company-profile dt {
    background: #f5f7fa;
    padding: 24px;
    font-weight: bold;
}

.company-profile dd {
    padding: 24px;
}

.company-profile a {
    color: #0d2744;
}


/* ========================================
   STORE
======================================== */

.store-section {
    background: #f7f9fc;
}

.store-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.store-card__image {
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,.08);
}

.store-card__label {
    color: #6d7d8d;
    letter-spacing: .2em;
    font-size: 13px;
}

.store-card__name {
    margin: 10px 0 25px;
    font-size: 36px;
    color: #0d2744;
}

.store-card__description {
    color: #5d6974;
    line-height: 2;
}

.store-information {
    margin-top: 30px;
}

.store-information__row {
    display: flex;
    padding: 14px 0;
    border-bottom: 1px solid #ddd;
}

.store-information dt {
    width: 120px;
    font-weight: bold;
}

.store-map {
    margin-top: 60px;
    border-radius: 16px;
    overflow: hidden;
    min-height: 420px;
    background: #e7edf3;
}

.store-map__placeholder {
    text-align: center;
    padding: 180px 20px;
    color: #666;
}


/* ========================================
   CONTACT
======================================== */

.contact-section {
    background: #0d2744;
}

.contact-section__description {
    color: rgba(255,255,255,.85);
    text-align: center;
    line-height: 2;
    margin-bottom: 50px;
}

.contact-section__buttons {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.contact-button {
    background: white;
    color: #0d2744;
    padding: 30px;
    width: 360px;
    border-radius: 14px;
    transition: .3s;
}

.contact-button:hover {
    transform: translateY(-4px);
}

.contact-button__label {
    display: block;
    color: #6d7d8d;
    margin-bottom: 10px;
}

.contact-button__value {
    display: block;
    font-size: 28px;
    margin-bottom: 10px;
}

.contact-button__note {
    display: block;
    font-size: 13px;
    color: #777;
}


/* ========================================
   FOOTER
======================================== */

.site-footer {
    background: #081a2d;
    color: white;
}

.site-footer__inner {
    max-width: 1200px;
    margin: auto;
    padding: 70px 24px;
    display: flex;
    justify-content: space-between;
    gap: 80px;
}

.site-footer__company {
    max-width: 420px;
}

.site-footer__logo {
    display: inline-block;
    width: 180px;
    margin-bottom: 25px;
}

.site-footer__address {
    color: rgba(255,255,255,.75);
    line-height: 2;
}

.site-footer__navigation ul {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.site-footer__navigation a {
    color: rgba(255,255,255,.85);
}

.site-footer__bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    text-align: center;
    padding: 22px;
    color: rgba(255,255,255,.6);
}


/* ========================================
   RESPONSIVE
======================================== */

@media (max-width:900px){

.business-item,
.store-card{
    grid-template-columns:1fr;
    gap:40px;
}

.business-item--reverse .business-item__image-area,
.business-item--reverse .business-item__content{
    order:initial;
}

.company-profile__row{
    grid-template-columns:1fr;
}

.company-profile dt{
    padding-bottom:10px;
}

.site-footer__inner{
    flex-direction:column;
    gap:40px;
}

}

@media (max-width:768px){

.business-item{
    margin-bottom:70px;
}

.business-item__title,
.store-card__name{
    font-size:28px;
}

.contact-button{
    width:100%;
}

.hero-section__results{
    grid-template-columns:1fr;
}

}