:root {
  --bg: #050b16;
  --bg2: #08111f;
  --bg3: #0b1830;
  --line: rgba(255, 255, 255, .12);
  --text: #ffffff;
  --muted: rgba(255, 255, 255, .75);
  --accent: #d81f26;
  --accent2: #1f4fa8;
  --card: rgba(7, 16, 32, .72);
  --shadow: 0 20px 40px rgba(0, 0, 0, .35);
  --container: 1200px;
  --radius: 18px;
}

/* ==============================
   Base
============================== */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    "Noto Sans JP",
    "Hiragino Kaku Gothic ProN",
    "Yu Gothic",
    "Meiryo",
    sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

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

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

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

/* ==============================
   Header
============================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 1);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
}

.logo {
  display: flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 1);
  backdrop-filter: blur(8px);
}

.logo__image {
  height: 45px;
  width: auto;
  display: block;
  object-fit: contain;
  mix-blend-mode: normal;
  filter: brightness(.92) contrast(1.08);
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  font-size: 15px;
  font-weight: 600;
  color: rgba(255, 255, 255, .9);
}


.navToggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.navToggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px auto;
  background: #fff;
}

/* ==============================
   Hero
============================== */
.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  background:
    url("../assets/img/hero.png") center center / cover no-repeat;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(0, 0, 0, .82) 0%,
      rgba(0, 0, 0, .55) 45%,
      rgba(0, 0, 0, .35) 100%
    );
}

/*
  重要：
  .hero__inner は HTML上で class="container hero__inner" になっています。
  ここに width: 100%; を入れると .container の幅が壊れるため入れません。
*/
.hero__inner {
  position: relative;
  z-index: 1;
}

.hero__content {
  max-width: 700px;
  padding: 80px 0;
  margin-left: 0;
}

.hero__sub {
  display: inline-block;
  margin: 0 0 20px;
  padding-left: 14px;
  border-left: 4px solid var(--accent);
  font-size: 20px;
  font-weight: 700;
}

.hero__title {
  margin: 0 0 24px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1.15;
  font-weight: 900;
}

.hero__lead {
  max-width: 640px;
  font-size: 20px;
  color: var(--muted);
}

/* ==============================
   Shared Heading
============================== */
.sectionHead {
  margin-bottom: 28px;
}

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

.sectionHead h2 {
  margin: 0;
  font-size: 46px;
  line-height: 1.2;
  font-weight: 900;
}

.sectionHead p {
  margin: 8px 0 0;
  color: #d7dde8;
  letter-spacing: .12em;
  font-size: 14px;
  font-weight: 700;
}

/* ==============================
   About
============================== */
.about {
  position: relative;
  padding: 80px 0;
  background:
    linear-gradient(rgba(6, 14, 28, .82), rgba(6, 14, 28, .88)),
    url("../assets/img/about-bg.png") center / cover no-repeat;
}

.about__grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 28px;
  align-items: stretch;
}

.about__company,
.about__strength {
  background: rgba(6, 9, 14, .80);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}

.sectionLabel {
  margin-bottom: 24px;
}

.sectionLabel__en {
  display: block;
  margin-top: 6px;
  color: rgba(255, 255, 255, .8);
  font-size: 16px;
  letter-spacing: .12em;
}

.companyTable {
  margin: 0;
}

.companyTable__row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
}

.companyTable__row:last-child {
  border-bottom: 0;
}

.companyTable dt {
  font-weight: 700;
  color: rgba(255, 255, 255, .9);
}

.companyTable dd {
  margin: 0;
  color: var(--muted);
}

.about__title {
  margin: 0 0 24px;
  font-size: 36px;
  font-weight: 900;
}

.strengthList {
  display: grid;
  gap: 20px;
}

.strengthItem {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 16px;
  align-items: start;
}

.strengthItem__icon {
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background:
    linear-gradient(135deg, #610419, #06215b);

  box-shadow:
    inset 0 0 18px rgba(100, 3, 5, .15),
    0 10px 24px rgba(125, 3, 3, .20);
  color: #fff;
  font-size: 24px;
}

.strengthItem h3 {
  margin: 0 0 6px;
  font-size: 24px;
}

.strengthItem p {
  margin: 0;
  color: var(--muted);
}

/* ==============================
   Services
============================== */
.services {
  padding: 90px 0;
  background:
    linear-gradient(rgba(6, 14, 28, .82), rgba(6, 14, 28, .82)),
    url("../assets/img/about-bg.png") center / cover no-repeat;
}

.serviceCards {
  display: grid;
  grid-template-columns: repeat(4, minmax(240px, 280px));
  gap: 24px;
  justify-content: center;
}

.serviceCard {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  border-radius: 20px;
  border: none;
  background-size: cover;
  background-position: center;
  box-shadow:
    0 18px 40px rgba(0, 0, 0, .34),
    inset 0 0 0 1px rgba(255, 255, 255, .08);
}

.serviceCard__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(4, 10, 20, .78),
      rgba(4, 10, 20, .46),
      rgba(4, 10, 20, .78)
    );
}

.serviceCard__body {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: auto;
  z-index: 1;
  padding: 26px 22px;
  text-align: left;
}

.serviceCard h3 {
  margin: 0 0 10px;
  font-size: 28px;
  font-weight: 900;
}

.serviceCard p {
  margin: 0;
  color: rgba(255, 255, 255, .88);
  font-size: 17px;
}

.serviceCard--buy {
  background-image: url("../assets/img/service-buy.png");
}


.serviceCard--export {
  background-image: url("../assets/img/service-export.png");
}

.serviceCard--install {
  background-image: url("../assets/img/service-install.png");
}

.serviceCard--store {
  background-image: url("../assets/img/service-store.png");
}

.yahooAuctionBtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, #610419, #06215b);
  box-shadow:
    inset 0 0 18px rgba(100, 3, 5, .15),
    0 10px 24px rgba(125, 3, 3, .20);
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.yahooAuctionBtn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.32);
  opacity: 0.95;
}

/* ==============================
   Contact / Recruit
============================== */
.contactRecruit {
  position: relative;
  padding: 80px 0 44px;
  background:
    linear-gradient(rgba(6, 14, 28, .82), rgba(6, 14, 28, .82)),
    url("../assets/img/about-bg.png") center / cover no-repeat;
}

.contactRecruit__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: stretch;
}

.contactCard,
.recruitCard,
.accessCard {
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(4px);
}

.contactCard {
  padding: 28px;
  border-radius: 26px;
  background: rgba(6, 9, 14, .60);
  color: #fff;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

.contactCard__head {
  margin-bottom: 20px;
}

.contactCard__head h2 {
  margin: 0 0 8px;
  font-size: 28px;
  line-height: 1.2;
}

.contactCard__head p {
  margin: 0;
  color: #d6d6d6;
  font-size: 14px;
  line-height: 1.7;
}

.contactCard__boxes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.contactCard__box {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  text-decoration: none;
}

.contactCard__box:hover {
  transform: translateY(-2px);
  border-color: rgba(229, 57, 53, 0.55);
}

.contactCard__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 14px;
  background:
    linear-gradient(135deg, #610419, #06215b);

  box-shadow:
    inset 0 0 18px rgba(100, 3, 5, .15),
    0 10px 24px rgba(125, 3, 3, .20);
  color: #fff;
  font-size: 20px;
}

.contactCard__body {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.contactCard__boxLabel {
  font-size: 12px;
  color: #bdbdbd;
  letter-spacing: 0.06em;
}

.contactCard__value {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}




@media (max-width: 768px) {
  .contactCard {
    padding: 22px;
  }

  .contactCard__head h2 {
    font-size: 24px;
  }
}

.recruitCard {
  padding: 28px;
  border-radius: 26px;
  background: rgba(6, 9, 14, .60);
  color: #fff;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

.recruitCard__head {
  margin-bottom: 20px;
}

.recruitCard__head h2 {
  margin: 0 0 8px;
  font-size: 28px;
  line-height: 1.2;
}

.recruitCard__head p {
  margin: 0;
  color: #d6d6d6;
  font-size: 14px;
  line-height: 1.7;
}

.recruitCard__boxes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.recruitCard__box {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.recruitCard__box h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

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

.recruitCard__box li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 7px;
  color: #dcdcdc;
  font-size: 14px;
  line-height: 1.55;
}

.recruitCard__box li:last-child {
  margin-bottom: 0;
}

.recruitCard__box li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #e53935;
}

.recruitCard__box p {
  margin: 0;
  color: #dcdcdc;
  font-size: 14px;
  line-height: 1.7;
}



@media (max-width: 768px) {
  .recruitCard {
    padding: 22px;
  }

  .recruitCard__head h2 {
    font-size: 24px;
  }
}

/* ==============================
   Access
============================== */
.accessSection {
  padding: 80px 0;
  background:
    linear-gradient(rgba(6, 14, 28, .82), rgba(6, 14, 28, .82)),
    url("../assets/img/about-bg.png") center / cover no-repeat;
}

.accessSection .container {
  position: relative;
  z-index: 1;
}

.accessSection__head {
  margin-bottom: 30px;
}

.accessGrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: stretch;
}

.accessCard {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: rgba(6, 9, 14, .60);
}

.accessCard__title {
  margin: 0 0 10px;
  font-size: 26px;
  line-height: 1.28;
  font-weight: 900;
}

.accessInfo {
  margin-bottom: 14px;
}

.accessInfo__postcode,
.accessInfo__address {
  margin: 0 0 3px;
  color: rgba(255, 255, 255, .78);
  font-size: 14px;
  line-height: 1.45;
  font-weight: 700;
}


.mapPreview {
  position: relative;
  min-height: 260px;
  flex: 1;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, .16);
  background: #071120;
}

.mapPreview__iframe {
  width: 100%;
  height: 100%;
  min-height: 260px;
  display: block;
  border: 0;
  filter: grayscale(25%) contrast(105%) brightness(80%);
}

#contact,
#recruit,
#access {
  scroll-margin-top: 110px;
}

/* ==============================
   Footer
============================== */
.footer {
  background: #030811;
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 20px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer__copy {
  margin: 0;
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
}

.toTop {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .35);
  color: #fff;
}


/* ==============================
   Responsive
============================== */
@media (max-width: 1100px) {
  .serviceCards {
    grid-template-columns: repeat(2, minmax(260px, 1fr));
    justify-content: center;
  }
}

@media (max-width: 900px) {
  .about__grid,
  .contactRecruit__grid,
  .accessGrid {
    grid-template-columns: 1fr;
  }

  .serviceCards {
    grid-template-columns: repeat(2, minmax(240px, 1fr));
  }

  .navToggle {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: 84px;
    right: 20px;
    width: 240px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(4, 10, 20, .96);
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 14px;
    overflow: hidden;
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    padding: 14px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
  }

  .nav a:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(var(--container), calc(100% - 28px));
  }

  .header__inner {
    position: relative;
    justify-content: center;
    min-height: 72px;
  }

  .header .logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }

  .navToggle {
    position: absolute;
    right: 0;
  }

  

  .hero {
    min-height: 520px;
  }

  .hero__content {
    padding: 64px 0;
    margin-left: 0;
  }

  .hero__sub {
    font-size: 16px;
  }

  .hero__title {
    font-size: 40px;
  }

  .hero__lead {
    font-size: 16px;
  }

  .sectionHead h2,
  .about__title {
    font-size: 32px;
  }

  .about__company,
  .about__strength,
  .contactCard,
  .recruitCard {
    padding: 24px;
  }

  .accessCard {
    padding: 20px;
  }

  .accessCard__title {
    font-size: 22px;
  }

  .accessInfo__postcode,
  .accessInfo__address {
    font-size: 13px;
    line-height: 1.4;
  }

  .serviceCards {
    grid-template-columns: 1fr;
  }

  .companyTable__row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  

  

  

  .mapPreview {
    min-height: 230px;
  }

  .mapPreview__iframe {
    min-height: 230px;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
}