:root {
  --navy: #10264e;
  --navy2: #07162f;
  --blue: #1b477b;
  --gold: #cba652;
  --gold2: #ecd899;
  --cream: #f8f5ee;
  --white: #fff;
  --ink: #202a3d;
  --muted: #657086;
  --line: #e4dfd4;
  --green: #06c755;
  --shadow: 0 18px 52px rgba(7, 22, 47, 0.12);
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Noto Sans JP", sans-serif;
  color: var(--ink);
  line-height: 1.85;
  background: #fff;
  overflow-x: hidden;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  text-decoration: none;
  color: inherit;
}
a,
button {
  -webkit-tap-highlight-color: transparent;
}
.wrap {
  max-width: 1160px;
  margin: auto;
  padding: 0 24px;
}
.narrow {
  max-width: 860px;
}
.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 12px;
  top: 12px;
  background: #fff;
  padding: 10px;
  z-index: 999;
}
.notice {
  background: linear-gradient(90deg, var(--navy2), var(--navy));
  color: #eef4ff;
  font-size: 12px;
  letter-spacing: 0.12em;
}
.notice-inner {
  display: flex;
  justify-content: center;
  gap: 28px;
  padding: 7px 20px;
}
.notice span + span:before {
  content: "";
  display: inline-block;
  width: 1px;
  height: 12px;
  background: rgba(255, 255, 255, 0.35);
  margin-right: 28px;
  vertical-align: -2px;
}
.header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(15px);
  box-shadow: 0 5px 22px rgba(7, 22, 47, 0.08);
}
.header-main {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  padding-top: 10px;
  padding-bottom: 10px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand img {
  width: 78px;
  height: 78px;
  object-fit: contain;
}
.brand strong {
  display: block;
  font-family: "Noto Serif JP";
  font-size: 27px;
  letter-spacing: 0.16em;
  color: var(--navy);
  line-height: 1.2;
}
.brand-en {
  display: block;
  margin-top: 1px;
  color: var(--gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.32em;
}
.brand small {
  display: block;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.06em;
}
.header-contact {
  display: flex;
  align-items: center;
  gap: 14px;
}
.phone {
  text-align: right;
  color: var(--navy);
}
.phone small {
  display: block;
  font-size: 10px;
  color: var(--muted);
}
.phone strong {
  font-family: "Noto Serif JP";
  font-size: 24px;
}
.line-btn {
  background: var(--green);
  color: #fff;
  font-weight: 900;
  padding: 14px 22px;
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(6, 199, 85, 0.2);
}
.menu {
  display: none;
  background: none;
  border: 0;
  width: 44px;
}
.menu span {
  display: block;
  height: 2px;
  background: var(--navy);
  margin: 7px;
}
.nav {
  background: var(--navy);
  color: #fff;
}
.nav .wrap {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  padding: 0;
}
.nav a {
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  padding: 13px 8px;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}
.nav a:last-child {
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}
.nav a:hover,
.nav a:focus-visible {
  background: rgba(255, 255, 255, 0.1);
}
.hero {
  position: relative;
  min-height: 720px;
  background: url("images/hero-artnoa.jpg") center/cover no-repeat;
  color: #fff;
  display: flex;
  align-items: center;
}
.hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(7, 22, 47, 0.8) 0%,
    rgba(7, 22, 47, 0.57) 43%,
    rgba(7, 22, 47, 0.08) 100%
  );
}
.hero-content {
  position: relative;
  padding-top: 92px;
  padding-bottom: 120px;
}
.hero-kicker,
.kicker {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.28em;
  margin-bottom: 14px;
}
.hero h1 {
  font-family: "Noto Serif JP";
  font-size: clamp(38px, 5.5vw, 68px);
  line-height: 1.35;
  letter-spacing: 0.12em;
  text-shadow: 0 9px 30px rgba(0, 0, 0, 0.26);
}
.mobile-only {
  display: none;
}
.hero-copy {
  max-width: 670px;
  font-size: 17px;
  margin-top: 21px;
  color: #f1f5fc;
}
.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 32px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 25px;
  border-radius: 8px;
  font-weight: 900;
  letter-spacing: 0.06em;
}
.btn.gold {
  background: linear-gradient(135deg, #ebd28d, var(--gold));
  color: var(--navy);
  box-shadow: 0 14px 34px rgba(203, 166, 82, 0.34);
}
.btn.glass {
  border: 1px solid rgba(255, 255, 255, 0.68);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}
.hero-points {
  display: flex;
  gap: 15px;
  margin-top: 44px;
}
.hero-points div {
  width: 128px;
  height: 128px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: rgba(9, 29, 62, 0.78);
  border: 2px solid rgba(236, 216, 153, 0.75);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.22);
}
.hero-points span {
  font-size: 11px;
}
.hero-points strong {
  font-family: "Noto Serif JP";
  color: var(--gold2);
  font-size: 18px;
  margin-top: 3px;
}
section {
  padding: 88px 0;
  scroll-margin-top: 130px;
}
.soft {
  background: var(--cream);
}
.dark {
  background: linear-gradient(145deg, var(--navy2), var(--navy));
  color: #fff;
}
.kicker.center {
  text-align: center;
}
.kicker.pale {
  color: var(--gold2);
}
.section-title,
.intro h2,
.area h2,
.pricing h2 {
  font-family: "Noto Serif JP";
  font-size: clamp(29px, 3.7vw, 43px);
  color: var(--navy);
  letter-spacing: 0.1em;
  line-height: 1.45;
}
.section-title {
  text-align: center;
}
.section-title:after {
  content: "";
  display: block;
  width: 64px;
  height: 2px;
  background: var(--gold);
  margin: 20px auto;
}
.section-title.light {
  color: #fff;
}
.section-lead {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 40px;
  color: var(--muted);
}
.intro-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.intro-card {
  background: #fff;
  border-left: 5px solid var(--gold);
  border-radius: 0 22px 22px 0;
  padding: 28px 32px;
  box-shadow: var(--shadow);
  color: #505c72;
}
.intro-card p + p {
  margin-top: 12px;
}
.reason-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-top: 42px;
}
.reason article {
  background: #fff;
  text-align: center;
  padding: 25px 13px 22px;
  border: 1px solid #dfe4ec;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(7, 22, 47, 0.07);
  transition: 0.25s;
}
.reason article:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}
.reason article img {
  width: 88px;
  height: 88px;
  margin: 0 auto 14px;
}
.reason h3 {
  font-family: "Noto Serif JP";
  color: var(--navy);
  font-size: 17px;
  margin-bottom: 8px;
}
.reason p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.service-grid article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 11px 35px rgba(7, 22, 47, 0.07);
  transition: 0.25s;
}
.service-grid article:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}
.service-grid img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
}
.service-grid article div {
  padding: 23px;
}
.service-grid h3 {
  font-family: "Noto Serif JP";
  font-size: 21px;
  color: var(--navy);
  margin-bottom: 8px;
}
.service-grid p {
  color: var(--muted);
  font-size: 14px;
}
.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 43px;
}
.flow article {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 28px 22px;
  border-radius: 15px;
}
.flow article span {
  display: flex;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: var(--gold);
  color: var(--navy2);
  font-weight: 900;
}
.flow h3 {
  font-family: "Noto Serif JP";
  font-size: 20px;
  margin: 17px 0 8px;
}
.flow p {
  color: #dce4f2;
  font-size: 13px;
}
.works-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
}
.works-grid > article {
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.ba {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: #ddd;
}
.ba figure {
  position: relative;
}
.ba img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ba figcaption {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--navy);
  color: #fff;
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 11px;
}
.work-body {
  padding: 24px;
}
.work-body small {
  color: var(--gold);
  font-weight: 900;
}
.work-body h3 {
  font-family: "Noto Serif JP";
  color: var(--navy);
  font-size: 20px;
  margin: 7px 0;
}
.work-body p {
  color: var(--muted);
  font-size: 14px;
}
.price-box {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 45px;
  align-items: center;
  background: linear-gradient(135deg, #fffaf0, #eef4fb);
  border: 1px solid rgba(203, 166, 82, 0.28);
  border-radius: 26px;
  padding: 48px;
  box-shadow: var(--shadow);
}
.pricing p:not(.kicker) {
  color: var(--muted);
  margin-top: 18px;
}
.price-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.price-points div {
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 3px solid var(--gold2);
}
.price-points strong {
  font-family: "Noto Serif JP";
  color: var(--gold2);
  font-size: 24px;
}
.price-points span {
  font-size: 11px;
}
.area-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 55px;
  align-items: center;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0;
}
.chips span {
  background: #fff;
  border: 1px solid rgba(203, 166, 82, 0.5);
  border-radius: 99px;
  padding: 9px 17px;
  color: var(--navy);
  font-weight: 900;
}
.small-note {
  font-size: 13px;
  color: var(--muted);
}
.area-visual {
  display: flex;
  justify-content: center;
}
.area-visual img {
  width: min(340px, 100%);
  filter: drop-shadow(0 25px 40px rgba(7, 22, 47, 0.18));
}
.area-brand-card {
  width: min(370px, 100%);
  padding: 38px 34px 34px;
  border: 1px solid rgba(203, 166, 82, 0.35);
  border-radius: 28px;
  background: linear-gradient(145deg, #fff, #fbf7ed);
  box-shadow: var(--shadow);
  text-align: center;
}
.area-brand-card img {
  width: 178px;
  margin: 0 auto 17px;
  filter: none;
}
.area-brand-card span {
  display: block;
  color: var(--gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.34em;
}
.area-brand-card strong {
  display: block;
  color: var(--navy);
  font-family: "Noto Serif JP";
  font-size: 31px;
  letter-spacing: 0.15em;
}
.area-brand-card small {
  display: block;
  margin-top: 9px;
  color: var(--muted);
  font-size: 12px;
}
.faq-list {
  display: grid;
  gap: 13px;
  margin-top: 40px;
}
details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 13px;
  box-shadow: 0 7px 24px rgba(7, 22, 47, 0.05);
}
summary {
  cursor: pointer;
  padding: 20px 55px 20px 22px;
  color: var(--navy);
  font-weight: 900;
  position: relative;
  list-style: none;
}
summary:after {
  content: "＋";
  position: absolute;
  right: 22px;
  color: var(--gold);
}
details[open] summary:after {
  content: "−";
}
details p {
  padding: 0 22px 20px;
  color: var(--muted);
  font-size: 14px;
}
.company table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-top: 40px;
}
.company th,
.company td {
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.company th {
  width: 29%;
  background: var(--navy);
  color: #fff;
}
.company td {
  color: #536078;
}
.contact {
  background: linear-gradient(145deg, var(--navy2), var(--navy));
  color: #fff;
  text-align: center;
}
.contact h2 {
  font-family: "Noto Serif JP";
  font-size: clamp(30px, 4vw, 46px);
  letter-spacing: 0.1em;
}
.contact-inner > p:not(.kicker) {
  color: #dce5f4;
  margin-top: 13px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  max-width: 850px;
  margin: 34px auto 0;
}
.contact-grid a {
  min-height: 160px;
  border-radius: 17px;
  background: #fff;
  color: var(--navy);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 22px;
}
.contact-grid a.green {
  background: var(--green);
  color: #fff;
}
.contact-grid small {
  font-weight: 900;
  letter-spacing: 0.1em;
}
.contact-grid strong {
  font-family: "Noto Serif JP";
  font-size: clamp(23px, 3vw, 34px);
  margin: 6px;
}
.contact-grid span {
  font-size: 12px;
}
footer {
  background: #07162f;
  color: #bdc8da;
  padding: 50px 0 82px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px;
}
.footer-brand img {
  width: 105px;
  margin-bottom: 12px;
}
.footer-grid h3 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 10px;
}
.footer-grid p {
  font-size: 13px;
}
.copy {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 22px;
  margin-top: 35px;
  font-size: 11px;
}
.mobile-cta {
  display: none;
}
@media (max-width: 1050px) {
  .reason-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .nav .wrap {
    grid-template-columns: repeat(4, 1fr);
  }
  .flow-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 760px) {
  body {
    padding-bottom: 62px;
  }
  .notice {
    display: none;
  }
  .header-main {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .brand {
    min-width: 0;
  }
  .brand img {
    width: 58px;
    height: 58px;
    flex: 0 0 58px;
  }
  .brand div {
    min-width: 0;
  }
  .brand strong {
    font-size: 21px;
    letter-spacing: 0.1em;
    white-space: nowrap;
  }
  .brand-en {
    font-size: 7px;
    letter-spacing: 0.25em;
  }
  .brand small {
    font-size: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .header-contact {
    display: none;
  }
  .menu {
    display: block;
  }
  .menu[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  .menu[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  .menu[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
  .menu span {
    transition: 0.2s;
  }
  .nav {
    display: none;
  }
  .nav.open {
    display: block;
  }
  .nav .wrap {
    grid-template-columns: 1fr;
  }
  .nav a {
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }
  .hero {
    min-height: 700px;
    background-position: 58% center;
  }
  .hero-shade {
    background: linear-gradient(
      180deg,
      rgba(7, 22, 47, 0.72),
      rgba(7, 22, 47, 0.62)
    );
  }
  .hero-content {
    padding: 80px 18px 110px;
  }
  .hero h1 {
    font-size: 38px;
    letter-spacing: 0.07em;
  }
  .mobile-only {
    display: block;
  }
  .hero-copy {
    font-size: 15px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-points {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
    width: 100%;
    max-width: 330px;
  }
  .hero-points div {
    width: 100%;
    height: auto;
    aspect-ratio: 1;
  }
  .hero-points strong {
    font-size: 15px;
  }
  section {
    padding: 65px 0;
  }
  .intro-grid,
  .area-grid,
  .price-box {
    grid-template-columns: 1fr;
  }
  .intro-grid {
    gap: 25px;
  }
  .reason-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-grid,
  .works-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .flow-grid {
    grid-template-columns: 1fr;
  }
  .price-box {
    padding: 30px 22px;
  }
  .price-points {
    max-width: 380px;
    margin: auto;
  }
  .company th,
  .company td {
    display: block;
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .mobile-cta {
    position: fixed;
    z-index: 99;
    bottom: 0;
    left: 0;
    right: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding-bottom: env(safe-area-inset-bottom);
    background: #fff;
  }
  .mobile-cta a {
    min-height: 62px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 900;
  }
  .mobile-cta a:first-child {
    background: var(--navy);
  }
  .mobile-cta a:last-child {
    background: var(--green);
  }
}
@media (max-width: 430px) {
  .reason-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 33px;
  }
  .hero-points span {
    font-size: 10px;
  }
  .hero-points strong {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}

/* 対応できるご相談 */
.consult-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.consult-grid article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px 24px;
  box-shadow: 0 12px 34px rgba(7, 22, 47, 0.07);
  transition: 0.25s;
  position: relative;
  overflow: hidden;
}
.consult-grid article:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}
.consult-grid article:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--navy), var(--gold));
}
.consult-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
  color: var(--gold2);
  font-family: "Noto Serif JP";
  font-weight: 900;
  margin-bottom: 18px;
  border: 2px solid var(--gold2);
}
.consult-grid h3 {
  font-family: "Noto Serif JP";
  font-size: 20px;
  color: var(--navy);
  margin-bottom: 10px;
  line-height: 1.55;
}
.consult-grid p {
  font-size: 14px;
  color: var(--muted);
}
@media (max-width: 900px) {
  .consult-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .consult-grid {
    grid-template-columns: 1fr;
  }
}