.loading {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background-color: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  color: #fff;
  transition: opacity 1000ms cubic-bezier(0.77, 0, 0.175, 1);
}

.loading.is-loaded {
  opacity: 0;
  pointer-events: none;
}

.loading__content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.loading__text {
  font-family: 'Inter', serif;
  font-weight: 200;
  letter-spacing: 0.15em;
  font-size: 1.5rem;
  transition: 
    transform 3000ms cubic-bezier(0.77, 0, 0.175, 1),
    opacity 3000ms cubic-bezier(0.77, 0, 0.175, 1);
  transform: scale(0.95);
  opacity: 0;
}

.loading.is-active .loading__text {
  transform: scale(1);
  opacity: 1;
}

.loading__text span {
  opacity: 0;
  transition: opacity 800ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: #000000;
  color: #FFFFFF;
  line-height: 1.9;
  font-weight: 200;
  letter-spacing: 0.02em;
}

a {
  text-decoration: none;
  color: #FFFFFF;
  transition: opacity 0.3s ease;
}

a:hover {
  opacity: 0.7;
}

.privacy__link {
  text-decoration: underline;
  color: #FFFFFF;
}

.section {
  border-top: 1px solid #262626;
  padding: 8rem 0;
}

.section__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 4rem;
}

.section__title {
  margin-bottom: 4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.section__label {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 200;
  text-transform: lowercase;
  letter-spacing: 0.3em;
  color: #A3A3A3;
}

.section__title {
  font-size: 2rem;
  font-weight: 200;
  letter-spacing: 0.05em;
}

.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid #262626;
}

.hero__container {
  text-align: center;
  padding: 0 2rem;
}

.hero__title {
  font-size: 4rem;
  font-weight: 200;
  letter-spacing: 0.05em;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero__label {
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 200;
  letter-spacing: 0.3em;
  color: #A3A3A3;
}

.hero__subtitle {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: #737373;
  margin-top: 1rem;
}

.business__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background-color: #262626;
  border: 1px solid #262626;
}

.business__item {
  background-color: #000000;
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.business__category {
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: #FFFFFF;
}

.business__details {
  font-size: 0.875rem;
  font-weight: 200;
  line-height: 2;
  color: #A3A3A3;
}

.projects__grid {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background-color: #262626;
  border: 1px solid #262626;
}

.project__item {
  background-color: #000000;
  padding: 2.5rem 2rem;
}

.project__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #262626;
}

.project__title {
  font-size: 1.125rem;
  font-weight: 300;
  letter-spacing: 0.05em;
}

.project__year {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 200;
  letter-spacing: 0.1em;
  color: #A3A3A3;
}

.project__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
}

.project__meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.project__meta-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.625rem;
  font-weight: 200;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #A3A3A3;
}

.project__meta-value {
  font-size: 0.875rem;
  font-weight: 200;
  line-height: 1.6;
}

.project__link {
  color: #FFFFFF;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background-color: #262626;
  border: 1px solid #262626;
}

.timeline__item {
  background-color: #000000;
  padding: 2rem;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 3rem;
  align-items: start;
}

.timeline__year {
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 200;
  letter-spacing: 0.1em;
  color: #A3A3A3;
}

.timeline__content {
  font-size: 0.9375rem;
  font-weight: 200;
  line-height: 1.8;
}

.skills__grid {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background-color: #262626;
  border: 1px solid #262626;
}

.skills__category {
  background-color: #000000;
  padding: 2.5rem 2rem;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 3rem;
  align-items: start;
}

.skills__category-title {
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 300;
  letter-spacing: 0.1em;
}

.skills__list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.skill__tag {
  font-size: 0.8125rem;
  font-weight: 200;
  padding: 0.5rem 1rem;
  border: 1px solid #262626;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
}

.skill__tag:hover {
  background-color: #FFFFFF;
  color: #000000;
  border-color: #FFFFFF;
}

.contact__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background-color: #262626;
  border: 1px solid #262626;
  margin-bottom: 4rem;
}

.contact__item {
  background-color: #000000;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact__label {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 200;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #A3A3A3;
}

.contact__link {
  font-size: 1rem;
  font-weight: 200;
  letter-spacing: 0.05em;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.privacy {
  font-size: 0.75rem;
  font-weight: 200;
  line-height: 1.9;
  color: #A3A3A3;
  max-width: 800px;
  margin: 0 auto;
}

.privacy p {
  margin-bottom: 1rem;
}

.privacy a {
  color: #A3A3A3;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer {
  border-top: 1px solid #262626;
  padding: 3rem 0;
}

.footer__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 4rem;
  text-align: center;
}

.footer__copy {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 200;
  letter-spacing: 0.1em;
  color: #A3A3A3;
}

@media screen and (max-width: 1024px) {
  .section__container {
    padding: 0 2rem;
  }

  .hero__title {
    font-size: 3rem;
  }

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

  .timeline__item {
    grid-template-columns: 100px 1fr;
    gap: 2rem;
  }

  .skills__category {
    grid-template-columns: 150px 1fr;
    gap: 2rem;
  }

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

/* ========================================
   Contact Form Styles
======================================== */

.contact__form-wrapper {
  margin-bottom: 4rem;
}

.contact__form {
  max-width: 700px;
  margin: 0 auto;
}

.contact__honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form__group {
  margin-bottom: 2rem;
}

.form__label {
  display: block;
  font-size: 0.9rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  color: #fff;
}

.form__required {
  color: #ff6b6b;
  font-size: 0.85rem;
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  color: #fff;
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.95rem;
  font-weight: 300;
  letter-spacing: 0.02em;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.3);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.form__textarea {
  resize: vertical;
  min-height: 180px;
  line-height: 1.6;
}

.form__submit {
  width: 100%;
  padding: 1.25rem 2rem;
  background-color: #fff;
  color: #000;
  border: none;
  border-radius: 4px;
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.form__submit:hover {
  background-color: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
}

.form__submit:active {
  transform: translateY(0);
}

.form__submit.is-loading {
  pointer-events: none;
  opacity: 0.7;
}

.form__submit.is-loading .submit__text {
  opacity: 0;
}

.form__submit.is-loading .submit__loading {
  opacity: 1;
}

.submit__text,
.submit__loading {
  transition: opacity 0.3s ease;
}

.submit__loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
}

.form__message {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  border-radius: 4px;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  text-align: center;
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form__message.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.form__message.is-success {
  background-color: rgba(46, 213, 115, 0.1);
  border: 1px solid rgba(46, 213, 115, 0.3);
  color: #2ed573;
}

.form__message.is-error {
  background-color: rgba(255, 107, 107, 0.1);
  border: 1px solid rgba(255, 107, 107, 0.3);
  color: #ff6b6b;
}

/* Alternative Contact Section */
.contact__alternative {
  margin-top: 6rem;
  padding-top: 4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.alternative__title {
  font-size: 1.2rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  text-align: center;
}

.alternative__description {
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.8;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.contact__note {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 0.5rem;
  font-weight: 300;
  letter-spacing: 0.05em;
}

@media screen and (max-width: 768px) {
  .loading__text {
    font-size: 1rem;
    letter-spacing: 0.1em;
  }

  .section {
    padding: 5rem 0;
  }

  .section__container {
    padding: 0 1.5rem;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__label {
    font-size: 0.75rem;
  }

  .section__title {
    font-size: 1.5rem;
    margin-bottom: 3rem;
  }

  .business__item,
  .project__item,
  .timeline__item,
  .skills__category,
  .contact__item {
    padding: 2rem 1.5rem;
  }

  .timeline__item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .skills__category {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .project__header {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }

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

  .skill__tag {
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
  }

  .footer__container {
    padding: 0 1.5rem;
  }

  .form__input,
  .form__textarea {
    padding: 0.875rem 1rem;
    font-size: 0.9rem;
  }

  .form__submit {
    padding: 1rem 1.5rem;
    font-size: 0.95rem;
  }

  .alternative__title {
    font-size: 1rem;
  }

  .alternative__description {
    font-size: 0.85rem;
  }
}

/* Privacy Policy Page */
.privacy-page {
  min-height: 100vh;
  padding: 4rem 0;
}

.privacy-page__container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

.privacy-page__header {
  text-align: center;
  margin-bottom: 4rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid #262626;
}

.privacy-page__title {
  font-size: 2.5rem;
  font-weight: 200;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.privacy-page__subtitle {
  font-size: 1rem;
  color: #A3A3A3;
  margin-bottom: 0.5rem;
}

.privacy-page__updated {
  font-size: 0.85rem;
  color: #737373;
  font-family: 'Inter', sans-serif;
}

.privacy-page__nav {
  margin-bottom: 3rem;
}

.privacy-page__back {
  display: inline-block;
  font-size: 0.9rem;
  color: #A3A3A3;
  transition: color 0.3s ease;
}

.privacy-page__back:hover {
  color: #FFFFFF;
  opacity: 1;
}

.privacy-section {
  margin-bottom: 3rem;
}

.privacy-section__title {
  font-size: 1.5rem;
  font-weight: 300;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #1a1a1a;
}

.privacy-section__text {
  line-height: 2;
  margin-bottom: 1rem;
  color: #E5E5E5;
}

.privacy-section__list {
  margin: 1.5rem 0;
  padding-left: 2rem;
}

.privacy-section__list li {
  margin-bottom: 0.75rem;
  line-height: 1.9;
  color: #E5E5E5;
}

.privacy-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.privacy-table th,
.privacy-table td {
  padding: 1rem;
  border: 1px solid #262626;
  text-align: left;
}

.privacy-table th {
  background-color: #0a0a0a;
  font-weight: 300;
  width: 200px;
}

.privacy-table td {
  color: #E5E5E5;
}

.privacy-table a {
  text-decoration: underline;
}

.privacy-contact {
  background-color: #0a0a0a;
  padding: 2rem;
  border-left: 3px solid #404040;
  margin: 1.5rem 0;
}

.privacy-contact p {
  margin-bottom: 0.5rem;
  line-height: 1.9;
}

.privacy-contact__note {
  font-size: 0.85rem;
  color: #A3A3A3;
  margin-top: 1rem;
}

.privacy-page__footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid #262626;
  text-align: center;
  color: #737373;
  font-size: 0.9rem;
}

.privacy-page__footer p {
  margin-bottom: 0.5rem;
}

.footer__nav {
  margin-bottom: 1rem;
}

.footer__link {
  font-size: 0.9rem;
  color: #A3A3A3;
  transition: color 0.3s ease;
}

.footer__link:hover {
  color: #FFFFFF;
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  [data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
  }

  [data-aos].aos-animate {
    opacity: 1;
  }
}