* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: #0a0a0a;
  background: #0a0a0a;
  width: 100%;
  overflow-x: hidden;
}

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

input,
textarea {
  font-family: 'Noto Sans JP', sans-serif;
}

img {
  max-width: 100%;
}

img.gs {
  filter: grayscale(1) contrast(1.05);
}

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

.eyebrow {
  display: inline-block;
  font-family: 'Archivo';
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.28em;
}

@keyframes raf-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s cubic-bezier(.16,1,.3,1), transform .9s cubic-bezier(.16,1,.3,1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* HEADER */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(10,10,10,0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #242424;
}

.header__inner {
  padding: 0 48px;
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  height: 58px;
  width: auto;
  display: block;
}

.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__link {
  font-family: 'Zen Kaku Gothic New';
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: #fff;
}

.nav__link--cta {
  color: #0a0a0a;
  background: #fff;
  padding: 11px 22px;
}

.nav-toggle {
  display: none;
  position: relative;
  z-index: 60;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 6px auto;
  background: #fff;
  transition: transform .3s, opacity .3s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* HERO */
.hero {
  position: relative;
  background: #0a0a0a;
  color: #fff;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 150px 48px 120px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,#0a0a0a 30%,rgba(10,10,10,0.4) 100%);
}

.hero__watermark {
  position: absolute;
  right: -6%;
  bottom: -4%;
  width: 640px;
  opacity: 0.06;
}

.hero__content {
  position: relative;
  width: 100%;
}

.hero__tag {
  font-family: 'Archivo';
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.36em;
  color: #a5a5a5;
  margin-bottom: 40px;
}

.hero__title {
  font-family: 'Zen Kaku Gothic New';
  font-weight: 900;
  font-size: clamp(48px,9vw,128px);
  line-height: 1.0;
  letter-spacing: 0.005em;
}

.hero__desc {
  margin-top: 44px;
  max-width: 560px;
  font-size: 16px;
  line-height: 2.1;
  color: #c4c4c4;
  font-weight: 500;
}

.hero__cta {
  display: inline-block;
  margin-top: 52px;
  font-family: 'Zen Kaku Gothic New';
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: #0a0a0a;
  background: #fff;
  padding: 18px 40px;
}

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.hero__scroll-label {
  font-family: 'Archivo';
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 0.28em;
  color: #7a7a7a;
}

.hero__scroll-line {
  width: 1px;
  height: 42px;
  background: linear-gradient(#fff,transparent);
  animation: raf-bob 2s ease-in-out infinite;
}

/* SECTION generic */
.section {
  padding: 150px 48px;
}

.section--light {
  scroll-margin-top: 78px;
  background: #ffffff;
}

.section--dark {
  scroll-margin-top: 78px;
  background: #0a0a0a;
  color: #fff;
}

.section__eyebrow {
  color: #9a9a9a;
}

.section--dark .section__eyebrow {
  color: #7a7a7a;
}

.section__title {
  font-family: 'Zen Kaku Gothic New';
  font-weight: 900;
  font-size: clamp(38px,5.5vw,72px);
  margin: 34px 0 60px;
}

/* ABOUT */
.about__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 72px;
  align-items: center;
  margin-top: 34px;
}

.about__title {
  font-family: 'Zen Kaku Gothic New';
  font-weight: 900;
  font-size: clamp(34px,4vw,56px);
  line-height: 1.24;
  letter-spacing: 0.01em;
  margin-bottom: 40px;
}

.about__text p {
  font-size: 16px;
  line-height: 2.4;
  color: #3a3a3a;
  font-weight: 500;
}

.about__text p + p {
  margin-top: 28px;
}

.about__image {
  aspect-ratio: 4/5;
  overflow: hidden;
  background: #eee;
}

.about__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* BUSINESS */
.business-list {
  border-top: 1px solid #262626;
}

.bcard {
  display: grid;
  grid-template-columns: 100px 200px 1fr auto;
  grid-template-areas: "num thumb info tag";
  align-items: center;
  gap: 36px;
  padding: 36px 20px;
  border-bottom: 1px solid #262626;
  transition: background .3s;
}

.bcard:hover {
  background: #151515;
}

.bcard:hover .bnum {
  color: #fff;
}

.bcard:hover .bthumb {
  filter: grayscale(0) contrast(1.05);
}

.bnum {
  grid-area: num;
  font-family: 'Archivo';
  font-weight: 800;
  font-size: 54px;
  line-height: 1;
  color: #3a3a3a;
  transition: color .3s;
}

.bthumb-wrap {
  grid-area: thumb;
  width: 200px;
  height: 120px;
  overflow: hidden;
}

.bthumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: filter .4s;
}

.binfo {
  grid-area: info;
}

.binfo__title {
  font-family: 'Zen Kaku Gothic New';
  font-weight: 700;
  font-size: 30px;
  margin-bottom: 12px;
}

.binfo__desc {
  font-size: 15px;
  line-height: 1.95;
  color: #9a9a9a;
  font-weight: 500;
  max-width: 560px;
}

.btag {
  grid-area: tag;
  font-family: 'Archivo';
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: #6b6b6b;
}

/* PHILOSOPHY / STATEMENT BAND */
.philosophy {
  position: relative;
  min-height: 440px;
  display: flex;
  align-items: center;
  padding: 110px 48px;
  overflow: hidden;
}

.philosophy__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.philosophy__overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,10,0.62);
}

.philosophy__content {
  position: relative;
  width: 100%;
}

.philosophy__label {
  font-family: 'Archivo';
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.28em;
  color: #c4c4c4;
  margin-bottom: 24px;
}

.philosophy__title {
  font-family: 'Zen Kaku Gothic New';
  font-weight: 900;
  font-size: clamp(30px,4.5vw,58px);
  line-height: 1.35;
  color: #fff;
}

/* COMPANY */
.company__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 72px;
  align-items: start;
}

.company__dl {
  border-top: 2px solid #0a0a0a;
}

.company__row {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 24px;
  padding: 28px 4px;
  border-bottom: 1px solid #e2e0dc;
}

.company__dt {
  font-family: 'Zen Kaku Gothic New';
  font-weight: 700;
  font-size: 15px;
}

.company__dd {
  font-size: 16px;
  color: #3a3a3a;
  font-weight: 500;
}

.company__image {
  aspect-ratio: 3/4;
  overflow: hidden;
  background: #eee;
}

.company__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* CONTACT */
.contact__desc {
  font-size: 15px;
  line-height: 2;
  color: #9a9a9a;
  margin-bottom: 56px;
  font-weight: 500;
}

.contact-form {
  max-width: 820px;
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}

.form-label {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-label__text {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Archivo';
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #8a8a8a;
}

.form-tag {
  font-family: 'Noto Sans JP';
  font-size: 9px;
  letter-spacing: 0;
  padding: 2px 7px;
}

.form-tag--required {
  color: #0a0a0a;
  background: #fff;
}

.form-tag--optional {
  color: #8a8a8a;
  border: 1px solid #3a3a3a;
}

.form-input {
  border: none;
  border-bottom: 1px solid #3a3a3a;
  padding: 12px 2px;
  font-size: 15px;
  background: transparent;
  color: #fff;
  outline: none;
  width: 100%;
}

.form-textarea {
  border: 1px solid #3a3a3a;
  padding: 14px;
  font-size: 15px;
  background: transparent;
  color: #fff;
  outline: none;
  resize: vertical;
  width: 100%;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.form-checkbox__input {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  accent-color: #fff;
  cursor: pointer;
}

.form-checkbox__text {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Archivo';
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #8a8a8a;
}

.form-checkbox__link {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-checkbox__link:hover {
  color: #c4c4c4;
}

.form-submit {
  align-self: flex-start;
  margin-top: 6px;
  font-family: 'Archivo';
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: #0a0a0a;
  background: #fff;
  border: none;
  padding: 20px 56px;
  cursor: pointer;
}

.form-sent-message {
  display: none;
  font-size: 13px;
  color: #c4c4c4;
  font-weight: 500;
}

/* PRIVACY POLICY PAGE */
.policy {
  padding-top: 180px;
}

.policy__title {
  font-family: 'Zen Kaku Gothic New';
  font-weight: 900;
  font-size: clamp(32px,4.5vw,52px);
  margin: 34px 0 16px;
}

.policy__updated {
  font-size: 13px;
  color: #7a7a7a;
  font-weight: 500;
  margin-bottom: 48px;
}

.policy__lead {
  font-size: 16px;
  line-height: 2.2;
  color: #3a3a3a;
  font-weight: 500;
  max-width: 760px;
  margin-bottom: 64px;
}

.policy__section {
  max-width: 760px;
  padding-top: 40px;
  border-top: 1px solid #e2e0dc;
  margin-top: 40px;
}

.policy__section:first-of-type {
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}

.policy__heading {
  font-family: 'Zen Kaku Gothic New';
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 20px;
}

.policy__text {
  font-size: 15px;
  line-height: 2;
  color: #3a3a3a;
  font-weight: 500;
}

.policy__list {
  margin-top: 16px;
  padding-left: 1.4em;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.policy__list li {
  font-size: 15px;
  line-height: 1.9;
  color: #3a3a3a;
  font-weight: 500;
}

.policy__contact {
  margin-top: 24px;
  max-width: 560px;
}

.policy__back {
  display: inline-block;
  margin-top: 72px;
  background: #0a0a0a;
  color: #fff;
}

/* FOOTER */
.footer {
  background: #0a0a0a;
  color: #fff;
  padding: 60px 48px;
  border-top: 1px solid #262626;
}

.footer__inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 28px;
}

.footer__logo {
  height: 56px;
  width: auto;
}

.footer__copy {
  font-family: 'Archivo';
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #6b6b6b;
}

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

/* Tablet */
@media (max-width: 900px) {
  .header__inner {
    padding: 0 24px;
    height: 68px;
  }

  .section {
    padding: 100px 24px;
  }

  .hero {
    padding: 130px 24px 100px;
  }

  .philosophy {
    padding: 90px 24px;
  }

  .footer {
    padding: 48px 24px;
  }

  /* Mobile nav */
  .nav-toggle {
    display: block;
  }

  .nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    padding-top: 68px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    background: #0a0a0a;
    transform: translateX(100%);
    transition: transform .35s cubic-bezier(.16,1,.3,1);
  }

  .nav.is-open {
    transform: translateX(0);
  }

  .nav__link {
    font-size: 16px;
  }

  .about__grid,
  .company__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .company__image {
    aspect-ratio: 16/9;
  }

  .bcard {
    grid-template-columns: 72px 1fr;
    grid-template-areas:
      "num tag"
      "thumb thumb"
      "info info";
    gap: 16px 20px;
    padding: 28px 16px;
  }

  .bnum {
    font-size: 40px;
  }

  .btag {
    justify-self: end;
    align-self: start;
  }

  .bthumb-wrap {
    width: 100%;
    height: 200px;
  }

  .binfo__title {
    font-size: 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Mobile */
@media (max-width: 600px) {
  .header__inner {
    padding: 0 20px;
    height: 60px;
  }

  .header__logo {
    height: 44px;
  }

  .nav {
    padding-top: 60px;
    gap: 26px;
  }

  .section {
    padding: 72px 20px;
  }

  .hero {
    padding: 110px 20px 80px;
    min-height: auto;
  }

  .hero__watermark {
    display: none;
  }

  .hero__desc {
    margin-top: 32px;
  }

  .hero__cta {
    margin-top: 40px;
    width: 100%;
    text-align: center;
  }

  .hero__scroll {
    display: none;
  }

  .philosophy {
    padding: 64px 20px;
    min-height: 320px;
  }

  .company__row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 20px 4px;
  }

  .company__dt {
    color: #7a7a7a;
    font-size: 13px;
  }

  .footer {
    padding: 40px 20px;
  }

  .footer__inner {
    align-items: flex-start;
  }

  .form-submit {
    width: 100%;
    text-align: center;
  }
}