@font-face {
  font-family: "Noto Sans JP";
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url("../fonts/noto-sans-jp-japanese-400-normal.woff2") format("woff2");
}

@font-face {
  font-family: "Noto Sans JP";
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url("../fonts/noto-sans-jp-japanese-500-normal.woff2") format("woff2");
}

@font-face {
  font-family: "Noto Sans JP";
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url("../fonts/noto-sans-jp-japanese-700-normal.woff2") format("woff2");
}

@font-face {
  font-family: "Noto Sans JP";
  font-style: normal;
  font-display: swap;
  font-weight: 900;
  src: url("../fonts/noto-sans-jp-japanese-900-normal.woff2") format("woff2");
}

@font-face {
  font-family: "Zen Kaku Gothic New";
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url("../fonts/zen-kaku-gothic-new-japanese-700-normal.woff2")
    format("woff2");
}

:root {
  --color-navy: #07294a;
  --color-deep-navy: #031d35;
  --color-yellow: #f8c800;
  --color-yellow-hover: #d8a900;
  --color-paper: #fcfbf7;
  --color-mist: #f1f4f6;
  --color-white: #fff;
  --color-text: #17212b;
  --color-muted: #5f6b75;
  --color-line: #d9e0e5;
  --container: 1600px;
  --header-height: 78px;
  --radius-card: 24px;
  --shadow-card: 0 18px 50px rgb(7 41 74 / 10%);
  --font-size-body: 17px;
  --font-size-body-compact: 16px;
  --font-size-ui: 15px;
  --font-size-note: 14px;
  --font-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic",
    "Meiryo", sans-serif;
  --font-display: "Zen Kaku Gothic New", "Noto Sans JP",
    "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
}

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

html {
  color-scheme: light;
  overflow-x: hidden;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--font-size-body);
  line-height: 1.8;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

html.is-menu-open {
  overflow: hidden;
}

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

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

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

budoux-ja {
  font: inherit;
}

h1,
h2,
h3,
h4,
.brand {
  font-family: var(--font-display);
  font-feature-settings: "palt";
}

:focus-visible {
  outline: 3px solid var(--color-yellow);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--color-white);
  color: var(--color-navy);
  font-weight: 800;
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 80px), var(--container));
  margin-inline: auto;
}

.keep-together {
  display: inline-block;
  white-space: nowrap;
}

.address-line {
  display: block;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgb(7 41 74 / 10%);
  background: rgb(252 251 247 / 96%);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  min-height: var(--header-height);
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  flex-shrink: 0;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.025em;
  line-height: 1.3;
}

.brand__mark {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  place-items: center;
  border-radius: 50%;
  background: var(--color-yellow);
  color: var(--color-navy);
  font-size: 19px;
  font-style: italic;
}

.brand small {
  display: block;
  color: var(--color-muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1.2;
}

.brand--header-logo {
  position: relative;
  width: 260px;
  height: 70px;
  overflow: hidden;
}

.brand__logo-image {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  max-width: none;
  height: auto;
  mix-blend-mode: multiply;
  transform: translateY(-50%);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: var(--font-size-ui);
  font-weight: 700;
}

.site-nav a {
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: #8b6d00;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 28px;
  border: 1px solid var(--color-yellow);
  border-radius: 999px;
  background: var(--color-yellow);
  color: var(--color-navy);
  font-size: var(--font-size-body-compact);
  font-weight: 900;
  line-height: 1.3;
  text-align: center;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
}

.button:hover {
  border-color: var(--color-yellow-hover);
  background: var(--color-yellow-hover);
  transform: translateY(-2px);
}

.button--outline {
  border-color: rgb(255 255 255 / 45%);
  background: transparent;
  color: var(--color-white);
}

.button--outline:hover {
  border-color: var(--color-white);
  background: rgb(255 255 255 / 10%);
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  background: transparent;
  color: var(--color-navy);
  cursor: pointer;
}

.menu-toggle__icon,
.menu-toggle__icon::before,
.menu-toggle__icon::after {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: currentcolor;
  content: "";
  transition: 0.2s ease;
}

.menu-toggle__icon {
  position: relative;
}

.menu-toggle__icon::before {
  position: absolute;
  top: -6px;
}

.menu-toggle__icon::after {
  position: absolute;
  top: 6px;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.mobile-nav {
  display: none;
}

.section {
  padding: 112px 0;
}

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

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

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
  color: var(--color-navy);
  font-size: var(--font-size-note);
  font-weight: 900;
  letter-spacing: 0.12em;
}

.eyebrow::before {
  width: 30px;
  height: 5px;
  flex: 0 0 30px;
  background: linear-gradient(
    90deg,
    var(--color-yellow) 0 68%,
    var(--color-navy) 68%
  );
  content: "";
  transform: skewX(-18deg);
}

.section--navy .eyebrow {
  color: var(--color-white);
}

.section--navy .eyebrow::before {
  background: linear-gradient(
    90deg,
    var(--color-yellow) 0 68%,
    var(--color-white) 68%
  );
}

.heading {
  margin: 0;
  color: var(--color-navy);
  font-size: clamp(34px, 4.2vw, 58px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.35;
}

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

.card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.contact__inner {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  align-items: start;
  gap: 56px;
}

.contact__inner > * {
  min-width: 0;
}

.contact__note {
  max-width: 520px;
  margin: 16px 0 0;
  color: rgb(255 255 255 / 72%);
  font-size: var(--font-size-body-compact);
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  padding: 34px;
  border-radius: var(--radius-card);
  background: rgb(255 255 255 / 6%);
  border: 1px solid rgb(255 255 255 / 16%);
}

.contact-form > * {
  min-width: 0;
}

.contact-form__row {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.contact-form__row--full {
  grid-column: 1 / -1;
}

.contact-form label {
  font-size: var(--font-size-note);
  font-weight: 800;
  color: rgb(255 255 255 / 88%);
}

.contact-form__required {
  margin-left: 6px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--color-yellow);
  color: var(--color-navy);
  font-size: 11px;
  font-weight: 900;
  vertical-align: middle;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  min-width: 0;
  padding: 13px 16px;
  border: 1px solid rgb(255 255 255 / 25%);
  border-radius: 10px;
  background: rgb(255 255 255 / 95%);
  color: var(--color-text);
  font-size: var(--font-size-body-compact);
  box-sizing: border-box;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus-visible,
.contact-form textarea:focus-visible {
  outline: 3px solid var(--color-yellow);
  outline-offset: 2px;
}

.contact-form__privacy {
  grid-column: 1 / -1;
  margin: 0;
  color: rgb(255 255 255 / 68%);
  font-size: 13px;
}

.contact-form__privacy a {
  color: var(--color-yellow);
  text-decoration: underline;
}

.contact-form__submit {
  grid-column: 1 / -1;
  width: fit-content;
  margin-top: 4px;
}

.contact-form__honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form__status {
  grid-column: 1 / -1;
  margin: 0 0 20px;
  padding: 14px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
}

.contact-form__status--success {
  background: rgb(248 200 0 / 16%);
  border: 1px solid var(--color-yellow);
  color: var(--color-white);
}

.contact-form__status--error {
  background: rgb(255 107 107 / 14%);
  border: 1px solid #ff6b6b;
  color: var(--color-white);
}

.site-footer {
  padding: 54px 0 32px;
  background: var(--color-deep-navy);
  color: var(--color-white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr 0.7fr;
  gap: 50px;
}

.footer-grid h2 {
  margin: 0 0 14px;
  font-size: 22px;
}

.footer-brand {
  position: relative;
  display: block;
  width: min(100%, 320px);
  height: 108px;
  overflow: hidden;
}

.footer-brand__image {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  max-width: none;
  height: auto;
  transform: translateY(-50%);
}

.footer-grid p,
.footer-grid a {
  color: rgb(255 255 255 / 72%);
  font-size: var(--font-size-note);
}

.footer-links {
  display: grid;
  align-content: start;
  gap: 8px;
}

.copyright {
  margin: 40px 0 0;
  padding-top: 22px;
  border-top: 1px solid rgb(255 255 255 / 14%);
  color: rgb(255 255 255 / 44%);
  font-size: 12px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.65s ease,
    transform 0.65s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1080px) {
  .container {
    width: min(calc(100% - 48px), var(--container));
  }

  .site-nav {
    gap: 15px;
    font-size: 13px;
  }
}

@media (max-width: 980px) {
  :root {
    --header-height: 70px;
  }

  .site-nav,
  .site-header__cta {
    display: none;
  }

  .menu-toggle {
    display: grid;
  }

  .mobile-nav {
    position: fixed;
    z-index: 45;
    inset: var(--header-height) 0 auto;
    display: block;
    max-height: calc(100dvh - var(--header-height));
    overflow-y: auto;
    border-bottom: 1px solid var(--color-line);
    background: var(--color-paper);
    box-shadow: 0 16px 34px rgb(7 41 74 / 12%);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-12px);
    transition:
      opacity 0.2s ease,
      transform 0.2s ease,
      visibility 0.2s;
  }

  .mobile-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: none;
  }

  .mobile-nav__inner {
    display: grid;
    gap: 0;
    padding-block: 16px 28px;
  }

  .mobile-nav a {
    padding: 14px 4px;
    border-bottom: 1px solid var(--color-line);
    color: var(--color-navy);
    font-size: var(--font-size-body-compact);
    font-weight: 800;
  }

  .mobile-nav .button {
    margin-top: 20px;
    border-bottom: 0;
  }
}

@media (max-width: 700px) {
  .mobile-line {
    display: block;
  }

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

  .brand {
    font-size: 18px;
  }

  .brand--header-logo {
    width: 210px;
    height: 58px;
  }

  .brand__mark {
    width: 34px;
    height: 34px;
    flex-basis: 34px;
  }

  .section {
    padding: 76px 0;
  }

  .heading {
    font-size: clamp(30px, 9vw, 40px);
    line-height: 1.4;
  }

  .contact__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-form {
    grid-template-columns: 1fr;
    padding: 24px;
  }
}

@media (max-width: 430px) {
  .heading {
    font-size: clamp(25px, 7vw, 30px);
  }

  .contact__inner {
    display: grid;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-brand {
    width: min(100%, 290px);
    height: 98px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .hero h1 {
    opacity: 1;
    transform: none;
  }
}