:root {
  --ink: #101827;
  --navy: #0a1b4f;
  --blue: #1477bd;
  --deep-blue: #171b67;
  --gray: #667085;
  --line: #e5e9f0;
  --soft: #f5f7fb;
  --white: #ffffff;
  --shadow: 0 20px 70px rgba(16, 24, 39, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family:
    "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo,
    sans-serif;
  background: var(--white);
  line-height: 1.75;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  padding: 16px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(229, 233, 240, 0.9);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
}

.brand img {
  width: clamp(150px, 18vw, 236px);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--gray);
  font-size: 0.94rem;
  font-weight: 700;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--deep-blue), var(--blue));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.22s ease;
  content: "";
}

.site-nav a:hover {
  color: var(--ink);
}

.site-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-button {
  display: grid;
  gap: 6px;
  width: 50px;
  height: 50px;
  place-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 19px;
  height: 2px;
  border-radius: 999px;
  background: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
  gap: clamp(32px, 7vw, 96px);
  align-items: center;
  padding: clamp(72px, 10vw, 132px) clamp(20px, 5vw, 72px);
  background:
    linear-gradient(120deg, rgba(245, 247, 251, 0.96), rgba(255, 255, 255, 0.92)),
    radial-gradient(circle at 82% 20%, rgba(20, 119, 189, 0.16), transparent 28rem);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(2.65rem, 5.6vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.07em;
}

h1 span {
  display: block;
  color: var(--deep-blue);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1.12;
  letter-spacing: -0.06em;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.24rem;
  letter-spacing: -0.03em;
}

.hero-copy p {
  max-width: 660px;
  color: var(--gray);
  font-size: clamp(1.04rem, 1.5vw, 1.22rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 800;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--deep-blue), var(--blue));
  box-shadow: 0 16px 36px rgba(20, 119, 189, 0.26);
}

.button-outline {
  border: 1px solid var(--line);
  background: var(--white);
}

.hero-visual {
  display: grid;
  min-height: 420px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 36px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.86), rgba(245, 247, 251, 0.92)),
    radial-gradient(circle, rgba(20, 119, 189, 0.14), transparent 18rem);
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: min(62%, 320px);
  filter: drop-shadow(0 18px 26px rgba(16, 24, 39, 0.16));
}

.statement {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  padding: clamp(64px, 8vw, 112px) clamp(20px, 5vw, 72px);
}

.statement-logo {
  display: grid;
  min-height: 180px;
  place-items: center;
  border-radius: 28px;
  background: var(--soft);
}

.statement-logo img {
  width: 210px;
}

.statement p,
.section-heading p,
.business-card p,
.strength-list p,
.company-table dd,
.contact p {
  color: var(--gray);
}

.section {
  padding: clamp(64px, 8vw, 112px) clamp(20px, 5vw, 72px);
}

.section:nth-of-type(even) {
  background: var(--soft);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 36px;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.business-card {
  min-height: 100%;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--white);
  box-shadow: 0 18px 54px rgba(16, 24, 39, 0.06);
}

.business-number {
  display: inline-grid;
  width: 52px;
  height: 52px;
  margin-bottom: 28px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: linear-gradient(135deg, var(--deep-blue), var(--blue));
  font-weight: 900;
}

.business-card ul {
  display: grid;
  gap: 9px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.business-card li {
  position: relative;
  padding-left: 20px;
  font-weight: 700;
}

.business-card li::before {
  position: absolute;
  top: 0.78em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  content: "";
}

.permit-list {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.permit-list div {
  display: grid;
  gap: 2px;
}

.permit-list dt,
.permit-list dd {
  margin: 0;
}

.permit-list dt {
  color: var(--gray);
  font-size: 0.84rem;
  font-weight: 800;
}

.permit-list dd {
  color: var(--ink);
  font-weight: 900;
}

.strength-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.strength-list div {
  padding: 28px 0;
  border-top: 1px solid rgba(16, 24, 39, 0.16);
}

.strength-list span {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--blue);
  font-weight: 900;
}

.company {
  background: var(--white);
}

.company-table {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--white);
}

.company-table div {
  display: grid;
  grid-template-columns: 220px 1fr;
  border-bottom: 1px solid var(--line);
}

.company-table div:last-child {
  border-bottom: 0;
}

.company-table dt,
.company-table dd {
  margin: 0;
  padding: 22px 26px;
}

.company-table dt {
  background: var(--soft);
  font-weight: 900;
}

.map-frame {
  overflow: hidden;
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--soft);
  box-shadow: 0 18px 54px rgba(16, 24, 39, 0.06);
}

.map-frame iframe {
  display: block;
  width: 100%;
  height: 420px;
  border: 0;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1.2fr);
  gap: 28px;
  align-items: start;
  margin: clamp(64px, 8vw, 112px) clamp(20px, 5vw, 72px);
  padding: clamp(34px, 5vw, 58px);
  border-radius: 30px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(23, 27, 103, 0.96), rgba(20, 119, 189, 0.92)),
    url("./assets/one-logo-sign.png") right 8% center / min(38vw, 440px) auto no-repeat;
}

.contact p,
.contact .eyebrow {
  color: rgba(255, 255, 255, 0.82);
}

.contact div {
  max-width: 760px;
}

.contact .button-primary {
  color: var(--deep-blue);
  background: var(--white);
  box-shadow: none;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  box-shadow: 0 24px 70px rgba(7, 11, 22, 0.18);
}

.form-status {
  display: none;
  margin-bottom: 0;
  padding: 12px 14px;
  border-radius: 14px;
  font-weight: 800;
}

.form-status[data-status="thanks"] {
  color: #03543f !important;
  background: #def7ec;
}

.form-status[data-status="error"] {
  color: #9b1c1c !important;
  background: #fde8e8;
}

.form-status[data-visible="true"] {
  display: block;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form label span {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 900;
}

.contact-form b {
  color: var(--blue);
  font-size: 0.76rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--blue);
  outline: 3px solid rgba(20, 119, 189, 0.16);
}

.privacy-check {
  grid-template-columns: auto 1fr;
  align-items: start;
}

.privacy-check input {
  width: 18px;
  min-height: 18px;
  margin-top: 0.3em;
}

.privacy-check span {
  color: var(--gray);
  font-weight: 700;
}

.form-hidden {
  position: absolute;
  left: -9999px;
}

.form-note {
  margin-bottom: 0;
  color: var(--gray) !important;
  font-size: 0.88rem;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 30px clamp(20px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.72);
  background: #070b16;
}

.site-footer img {
  width: 178px;
}

.site-footer p {
  margin-bottom: 0;
}

@media (max-width: 980px) {
  .site-nav {
    display: none;
  }

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

  .hero-visual {
    min-height: 320px;
  }

  .business-grid,
  .strength-list {
    grid-template-columns: 1fr;
  }

  .contact {
    grid-template-columns: 1fr;
    background:
      linear-gradient(135deg, rgba(23, 27, 103, 0.98), rgba(20, 119, 189, 0.95)),
      url("./assets/one-logo-sign.png") right -80px bottom -80px / 260px auto no-repeat;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 72px;
    padding: 12px 18px;
  }

  .brand img {
    width: 142px;
  }

  .menu-button {
    width: 46px;
    height: 46px;
  }

  .hero,
  .statement,
  .section {
    padding-right: 18px;
    padding-left: 18px;
  }

  .hero-visual img {
    width: 190px;
  }

  .statement-logo {
    min-height: 150px;
  }

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

  .company-table dt,
  .company-table dd {
    padding: 16px 18px;
  }

  .map-frame iframe {
    height: 320px;
  }

  .contact {
    margin-right: 18px;
    margin-left: 18px;
  }

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

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}