@charset "UTF-8";
/* ==========================================================
   株式会社SUIコンサルティング コーポレートサイト
   ========================================================== */

:root {
  --navy: #0e2a47;
  --navy-dark: #081c31;
  --aqua: #1490b4;
  --aqua-light: #e6f4f8;
  --gold: #c9a04e;
  --text: #24303b;
  --text-weak: #5c6b78;
  --line: #dde4ea;
  --bg-gray: #f4f7f9;
  --white: #ffffff;
  --max-width: 1080px;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(14, 42, 71, 0.08);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  color: var(--text);
  line-height: 1.9;
  font-size: 16px;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

a {
  color: var(--aqua);
  text-decoration: none;
  transition: opacity 0.25s;
}

a:hover {
  opacity: 0.75;
}

ul, ol {
  list-style: none;
}

.inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-logo img {
  height: 40px;
  width: auto;
}

.site-logo .logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.site-logo .logo-en {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--aqua);
  font-weight: 700;
}

.site-logo .logo-ja {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
}

.global-nav ul {
  display: flex;
  align-items: center;
  gap: 28px;
}

.global-nav a {
  color: var(--navy);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
}

.global-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--aqua);
  transition: width 0.25s;
}

.global-nav a:hover::after,
.global-nav a.is-current::after {
  width: 100%;
}

.nav-contact-btn {
  display: inline-block;
  background: var(--navy);
  color: #fff !important;
  padding: 10px 22px !important;
  border-radius: 4px;
  font-size: 14px !important;
}

.nav-contact-btn::after {
  display: none;
}

.nav-contact-btn:hover {
  background: var(--aqua);
  opacity: 1 !important;
}

/* Hamburger */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  z-index: 110;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  margin: 6px auto;
  transition: 0.3s;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  margin-top: 72px;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 55%, #14507a 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 144, 180, 0.35) 0%, transparent 70%);
}

.hero::after {
  content: "";
  position: absolute;
  left: -80px;
  bottom: -160px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 160, 78, 0.18) 0%, transparent 70%);
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 110px 24px 120px;
  position: relative;
  z-index: 1;
}

.hero-catch {
  font-size: clamp(28px, 4.6vw, 46px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

.hero-catch .accent {
  color: #7fd4ec;
}

.hero-lead {
  margin-top: 24px;
  font-size: clamp(15px, 1.8vw, 18px);
  color: rgba(255, 255, 255, 0.88);
  max-width: 640px;
}

.hero-btns {
  margin-top: 40px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 15px 40px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.06em;
  text-align: center;
  transition: 0.25s;
}

.btn-primary {
  background: var(--gold);
  color: var(--navy-dark);
}

.btn-primary:hover {
  background: #dab668;
  opacity: 1;
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.7);
  color: #fff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  opacity: 1;
}

.btn-navy {
  background: var(--navy);
  color: #fff;
}

.btn-navy:hover {
  background: var(--aqua);
  opacity: 1;
}

/* ---------- Sections ---------- */
.section {
  padding: 96px 0;
}

.section-gray {
  background: var(--bg-gray);
}

.section-title {
  text-align: center;
  margin-bottom: 56px;
}

.section-title .en {
  display: block;
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--aqua);
  font-weight: 700;
  margin-bottom: 8px;
}

.section-title .ja {
  font-size: clamp(24px, 3.2vw, 32px);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.06em;
}

.section-lead {
  text-align: center;
  max-width: 720px;
  margin: -32px auto 56px;
  color: var(--text-weak);
}

/* ---------- Page header (下層ページ) ---------- */
.page-header {
  margin-top: 72px;
  background: linear-gradient(120deg, var(--navy-dark), var(--navy) 70%, #14507a);
  color: #fff;
  padding: 72px 0;
  text-align: center;
}

.page-header .en {
  display: block;
  font-size: 13px;
  letter-spacing: 0.22em;
  color: #7fd4ec;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-header h1 {
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.breadcrumb {
  background: var(--bg-gray);
  font-size: 13px;
  padding: 12px 0;
  color: var(--text-weak);
}

.breadcrumb ol {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.breadcrumb li:not(:last-child)::after {
  content: "›";
  margin-left: 8px;
  color: var(--line);
}

/* ---------- Service cards ---------- */
.service-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px 30px;
  display: flex;
  flex-direction: column;
  border-top: 4px solid var(--aqua);
  transition: transform 0.25s, box-shadow 0.25s;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(14, 42, 71, 0.14);
}

.service-card.is-main {
  border-top-color: var(--gold);
}

.service-card .card-label {
  display: inline-block;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: var(--gold);
  border-radius: 3px;
  padding: 2px 10px;
  margin-bottom: 14px;
  letter-spacing: 0.08em;
}

.service-card .card-icon {
  font-size: 40px;
  line-height: 1;
  margin-bottom: 18px;
}

.service-card h3 {
  font-size: 19px;
  color: var(--navy);
  margin-bottom: 14px;
  line-height: 1.5;
}

.service-card p {
  font-size: 14.5px;
  color: var(--text-weak);
  flex-grow: 1;
}

.service-card .card-link {
  margin-top: 20px;
  font-weight: 700;
  font-size: 14px;
  color: var(--aqua);
}

.service-card .card-link::after {
  content: " →";
}

/* ---------- Strength ---------- */
.strength-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.strength-item {
  text-align: center;
  padding: 36px 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.strength-item .num {
  font-size: 14px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.18em;
}

.strength-item h3 {
  font-size: 18px;
  color: var(--navy);
  margin: 10px 0 14px;
  line-height: 1.5;
}

.strength-item p {
  font-size: 14.5px;
  color: var(--text-weak);
  text-align: left;
}

/* ---------- News ---------- */
.news-list li {
  border-bottom: 1px solid var(--line);
}

.news-list li:first-child {
  border-top: 1px solid var(--line);
}

.news-list a,
.news-list .news-row {
  display: flex;
  gap: 28px;
  padding: 20px 8px;
  color: var(--text);
  align-items: baseline;
}

.news-list time {
  flex-shrink: 0;
  color: var(--text-weak);
  font-size: 14px;
  font-family: Arial, sans-serif;
  letter-spacing: 0.04em;
}

.news-list .news-cat {
  flex-shrink: 0;
  font-size: 12px;
  background: var(--aqua-light);
  color: var(--aqua);
  font-weight: 700;
  border-radius: 3px;
  padding: 1px 12px;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--navy-dark), var(--navy));
  color: #fff;
  text-align: center;
  padding: 72px 24px;
}

.cta-band h2 {
  font-size: clamp(20px, 3vw, 28px);
  margin-bottom: 12px;
  letter-spacing: 0.06em;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  font-size: 15px;
}

/* ---------- Tables (会社概要など) ---------- */
.info-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

.info-table th,
.info-table td {
  border: 1px solid var(--line);
  padding: 18px 24px;
  text-align: left;
  vertical-align: top;
  font-size: 15px;
}

.info-table th {
  background: var(--bg-gray);
  color: var(--navy);
  font-weight: 700;
  width: 220px;
  white-space: nowrap;
}

/* ---------- Message ---------- */
.message-box {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 48px;
  max-width: 860px;
  margin: 0 auto;
}

.message-box p {
  margin-bottom: 1.4em;
}

.message-sign {
  text-align: right;
  font-weight: 700;
  color: var(--navy);
  margin-top: 32px;
}

.message-sign .position {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-weak);
  display: block;
}

/* ---------- Service detail ---------- */
.service-detail {
  padding: 80px 0;
}

.service-detail + .service-detail {
  border-top: 1px solid var(--line);
}

.service-detail .detail-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.service-detail .detail-num {
  font-family: Arial, sans-serif;
  font-size: 44px;
  font-weight: 700;
  color: var(--aqua-light);
  -webkit-text-stroke: 1.5px var(--aqua);
  line-height: 1;
}

.service-detail h2 {
  font-size: clamp(22px, 2.8vw, 28px);
  color: var(--navy);
  line-height: 1.5;
}

.service-detail .detail-lead {
  margin-bottom: 36px;
  max-width: 860px;
}

.point-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 36px;
}

.point-card {
  background: var(--bg-gray);
  border-radius: var(--radius);
  padding: 28px;
  border-left: 4px solid var(--aqua);
}

.point-card h3 {
  font-size: 17px;
  color: var(--navy);
  margin-bottom: 10px;
}

.point-card p {
  font-size: 14.5px;
  color: var(--text-weak);
}

.effect-table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 16px;
}

.effect-table th,
.effect-table td {
  border: 1px solid var(--line);
  padding: 14px 20px;
  text-align: center;
  font-size: 15px;
}

.effect-table thead th {
  background: var(--navy);
  color: #fff;
  font-weight: 700;
}

.effect-table td strong {
  color: var(--aqua);
  font-size: 18px;
}

.note {
  font-size: 13px;
  color: var(--text-weak);
}

.highlight-band {
  background: var(--aqua-light);
  border-radius: var(--radius);
  padding: 24px 32px;
  font-weight: 700;
  color: var(--navy);
  text-align: center;
  font-size: clamp(15px, 2vw, 18px);
  margin-bottom: 36px;
}

.highlight-band .big {
  color: var(--aqua);
  font-size: 1.5em;
}

/* ---------- Flow ---------- */
.flow-list {
  counter-reset: flow;
  max-width: 780px;
  margin: 0 auto;
}

.flow-list li {
  counter-increment: flow;
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 28px 26px 92px;
  margin-bottom: 20px;
}

.flow-list li::before {
  content: "0" counter(flow);
  position: absolute;
  left: 26px;
  top: 50%;
  transform: translateY(-50%);
  font-family: Arial, sans-serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--aqua);
}

.flow-list li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -16px;
  width: 2px;
  height: 12px;
  background: var(--aqua);
}

.flow-list h3 {
  font-size: 17px;
  color: var(--navy);
  margin-bottom: 4px;
}

.flow-list p {
  font-size: 14.5px;
  color: var(--text-weak);
}

/* ---------- Contact form ---------- */
.contact-lead {
  text-align: center;
  margin-bottom: 48px;
}

.form-table {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

.form-row {
  margin-bottom: 28px;
}

.form-row label.form-label {
  display: block;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
  font-size: 15px;
}

.required-tag,
.optional-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  border-radius: 3px;
  padding: 1px 8px;
  margin-left: 10px;
  vertical-align: 2px;
}

.required-tag {
  background: #c0392b;
  color: #fff;
}

.optional-tag {
  background: var(--line);
  color: var(--text-weak);
}

.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="tel"],
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 16px;
  font-family: inherit;
  background: #fff;
  transition: border-color 0.2s;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--aqua);
  box-shadow: 0 0 0 3px rgba(20, 144, 180, 0.15);
}

.form-row textarea {
  min-height: 180px;
  resize: vertical;
}

.form-privacy {
  text-align: center;
  font-size: 14px;
  margin: 32px 0;
}

.form-submit {
  text-align: center;
}

.form-submit button {
  cursor: pointer;
  border: none;
  min-width: 280px;
  font-family: inherit;
}

.form-error {
  background: #fdecea;
  border: 1px solid #e74c3c;
  color: #c0392b;
  border-radius: 6px;
  padding: 16px 20px;
  margin-bottom: 32px;
  font-size: 14.5px;
}

.form-error ul {
  list-style: disc;
  padding-left: 20px;
}

/* ---------- Privacy / text pages ---------- */
.text-page h2 {
  font-size: 20px;
  color: var(--navy);
  margin: 40px 0 14px;
  padding-left: 14px;
  border-left: 4px solid var(--aqua);
}

.text-page p,
.text-page li {
  font-size: 15px;
}

.text-page ol {
  list-style: decimal;
  padding-left: 24px;
}

.text-page ul {
  list-style: disc;
  padding-left: 24px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 64px 0 0;
  font-size: 14px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.footer-company .footer-logo {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.footer-company .footer-logo-en {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #7fd4ec;
  margin-bottom: 16px;
}

.footer-company address {
  font-style: normal;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.7);
}

.footer-nav {
  display: flex;
  gap: 56px;
  flex-wrap: wrap;
}

.footer-nav h3 {
  font-size: 13px;
  color: #7fd4ec;
  letter-spacing: 0.12em;
  margin-bottom: 14px;
}

.footer-nav li {
  margin-bottom: 10px;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.85);
}

.copyright {
  margin-top: 56px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  text-align: center;
  padding: 20px 24px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.06em;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .service-cards,
  .strength-list {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
  }

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

@media (max-width: 820px) {
  .nav-toggle {
    display: block;
  }

  .global-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(78vw, 320px);
    height: 100vh;
    background: var(--navy-dark);
    padding: 100px 32px 40px;
    transform: translateX(100%);
    transition: transform 0.3s;
  }

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

  .global-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .global-nav a {
    color: #fff;
    display: block;
    padding: 12px 0;
    font-size: 16px;
  }

  .nav-contact-btn {
    margin-top: 16px;
    background: var(--gold);
    color: var(--navy-dark) !important;
  }

  .section {
    padding: 64px 0;
  }

  .hero-inner {
    padding: 72px 24px 84px;
  }

  .message-box {
    padding: 32px 24px;
  }

  .info-table th {
    width: 130px;
    padding: 14px 14px;
    white-space: normal;
  }

  .info-table td {
    padding: 14px 16px;
  }

  .news-list a,
  .news-list .news-row {
    flex-wrap: wrap;
    gap: 8px 16px;
  }

  .footer-inner {
    flex-direction: column;
  }
}