:root {

  --c-primary:      #0e7ad4;
  --c-primary-deep: #0a5cab;
  --c-cyan:         #00a0e9;
  --c-accent:       #e5007e;
  --c-navy:         #20354b;
  --c-text:         #3a4753;
  --c-text-weak:    #6b7a88;
  --c-bg-tint:      #f0f7fd;
  --c-border:       #d9e6f2;
  --c-ph-border:    #9cc4e4;
  --c-ph-text:      #5b87ab;

  --grad: linear-gradient(135deg, var(--c-cyan), var(--c-primary));

  --radius:   12px;
  --shadow:   0 10px 30px rgba(14, 90, 160, .12);
  --header-h: 72px;

  --font: "Noto Sans JP", -apple-system, BlinkMacSystemFont,
          "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-text);
  background: #fff;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  padding-top: var(--header-h);
}

h1, h2, h3, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img { max-width: 100%; height: auto; vertical-align: bottom; }
a { color: var(--c-primary); }

:focus-visible {
  outline: 3px solid rgba(0, 160, 233, .55);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow { max-width: 840px; }

.sp { display: none; }
@media (max-width: 768px) {
  .sp { display: inline; }
  .pc { display: none; }
}

.ph {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  background: repeating-linear-gradient(45deg,
    #f6fafd, #f6fafd 10px, #edf5fb 10px, #edf5fb 20px);
  border: 2px dashed var(--c-ph-border);
  border-radius: 10px;
  color: var(--c-ph-text);
  text-align: center;
  overflow: hidden;
}
.ph__label {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.6;
  padding: 14px;
}
.ph__label::before {
  content: "";
  display: block;
  width: 30px; height: 30px;
  margin: 0 auto 8px;
  opacity: .7;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%235b87ab" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="4" width="18" height="16" rx="2"/><circle cx="8.5" cy="9.5" r="1.8"/><path d="M3.5 17l5-5 4 4 3.5-3.5 4.5 4.5"/></svg>')
    center / contain no-repeat;
}
.ph__label small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: #8fb0c9;
  margin-top: 2px;
}
.ph__label--mini { font-size: 11px; padding: 6px; }
.ph__label--mini::before { width: 18px; height: 18px; margin-bottom: 2px; }

.ph--16x10 { aspect-ratio: 16 / 10; }
.ph--4x3   { aspect-ratio: 4 / 3; }
.ph--3x2   { aspect-ratio: 3 / 2; }
.ph--shadow { box-shadow: var(--shadow); }
.ph--logo  { width: 160px; height: 40px; border-radius: 6px; border-width: 1.5px; flex: none; }
.ph--badge { width: 200px; aspect-ratio: 200 / 56; border-radius: 6px; }
.ph--clogo { flex: 0 0 150px; width: 150px; height: 48px; border-radius: 6px; }

.ph--logo-white {
  border-color: rgba(255, 255, 255, .45);
  background: rgba(255, 255, 255, .06);
  color: rgba(255, 255, 255, .8);
}
.ph--logo-white .ph__label--mini::before {
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23ffffff" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="4" width="18" height="16" rx="2"/><circle cx="8.5" cy="9.5" r="1.8"/><path d="M3.5 17l5-5 4 4 3.5-3.5 4.5 4.5"/></svg>');
}
.ph--logo-white small { color: rgba(255, 255, 255, .55); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 28px;
  border: 2px solid transparent;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  border-radius: 999px;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease;
}
.btn--s { padding: 8px 20px; font-size: 14px; }
.btn--l { padding: 15px 36px; font-size: 16px; }

.btn--cv {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 6px 18px rgba(0, 140, 220, .35);
}
.btn--cv::after {
  content: "";
  width: 7px; height: 7px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: rotate(45deg);
  flex: none;
}
.btn--cv:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 140, 220, .45);
}

.btn--ghost {
  background: #fff;
  border-color: var(--c-primary);
  color: var(--c-primary);
}
.btn--ghost:hover { background: #eaf5fd; transform: translateY(-2px); }

.btn--white { background: #fff; color: var(--c-primary); box-shadow: 0 6px 18px rgba(0, 30, 70, .25); }
.btn--white:hover { transform: translateY(-2px); }
.btn--outline-white { background: transparent; border-color: #fff; color: #fff; }
.btn--outline-white:hover { background: rgba(255, 255, 255, .14); transform: translateY(-2px); }

.badge-new {
  display: inline-block;
  background: var(--c-accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 3px 10px;
  border-radius: 4px;
  line-height: 1.5;
}

.tag {
  display: inline-block;
  background: #e3f1fb;
  color: var(--c-primary);
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 999px;
  line-height: 1.6;
}

.em-blue { font-style: normal; color: var(--c-primary); }

.sec-head { text-align: center; margin-bottom: 56px; }
.sec-head__en {
  display: block;
  color: var(--c-primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .2em;
}
.sec-head h2 {
  margin-top: 10px;
  font-size: clamp(25px, 3.2vw, 34px);
  font-weight: 900;
  color: var(--c-navy);
  line-height: 1.45;
}
.sec-head__bar {
  display: block;
  width: 56px; height: 4px;
  margin: 18px auto 0;
  border-radius: 2px;
  background: var(--grad);
}
.sec-head__lead {
  margin-top: 22px;
  font-size: 15.5px;
  color: var(--c-text);
}

.section { padding: 96px 0; }
.section--tint { background: var(--c-bg-tint); }

.textlink {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--c-primary);
  font-weight: 700;
  text-decoration: none;
}
.textlink::after {
  content: "";
  width: 7px; height: 7px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
}
.textlink:hover { text-decoration: underline; }

.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow .25s ease;
}
.header.is-scrolled { box-shadow: 0 4px 18px rgba(20, 60, 100, .1); }

.header__inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 28px;
}
.header__logo { flex: none; display: inline-flex; text-decoration: none; }

.gnav { margin-left: auto; }
.gnav__list { display: flex; gap: 28px; }
.gnav__list a {
  font-size: 14px;
  font-weight: 700;
  color: var(--c-navy);
  text-decoration: none;
  padding: 6px 2px;
  transition: color .2s ease;
}
.gnav__list a:hover { color: var(--c-primary); }

.header__cta { flex: none; }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  padding: 10px;
  margin-left: auto;
  background: none;
  border: 0;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 24px; height: 2.5px;
  border-radius: 2px;
  background: var(--c-primary);
  transition: transform .25s ease, opacity .25s ease;
}
.header.is-menu-open .menu-toggle span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.header.is-menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
.header.is-menu-open .menu-toggle span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.sp-nav {
  display: none;
  position: absolute;
  left: 0; right: 0;
  top: var(--header-h);
  background: #fff;
  border-top: 1px solid var(--c-border);
  box-shadow: 0 16px 28px rgba(20, 60, 100, .12);
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.header.is-menu-open .sp-nav { max-height: 480px; }
.sp-nav ul { padding: 8px 24px 24px; }
.sp-nav li a {
  display: block;
  padding: 14px 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-navy);
  text-decoration: none;
  border-bottom: 1px dashed var(--c-border);
}
.sp-nav__cta { padding-top: 20px; }
.sp-nav__cta .btn {
  display: flex;
  width: 100%;
  border: 0;
  padding-left: 16px;
  padding-right: 16px;
  white-space: nowrap;
  color: #fff;
}

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #f5fbff 0%, #e9f4fd 100%);
  padding: 76px 0 88px;
}
.hero__net {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;

  -webkit-mask-image: linear-gradient(100deg, rgba(0,0,0,.3) 0%, rgba(0,0,0,.5) 40%, rgba(0,0,0,.95) 75%);
  mask-image: linear-gradient(100deg, rgba(0,0,0,.3) 0%, rgba(0,0,0,.5) 40%, rgba(0,0,0,.95) 75%);
}
.hero__inner {
  position: relative;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 52px;
  align-items: center;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-primary);
}
.hero__title {
  margin: 18px 0 20px;
  font-size: clamp(29px, 3.7vw, 44px);
  font-weight: 900;
  line-height: 1.42;
  color: var(--c-navy);
  letter-spacing: .01em;
}
.hero__title em {
  font-style: normal;
  color: var(--c-primary);
  background: linear-gradient(transparent 70%, rgba(0, 160, 233, .25) 70%);
}
.hero__lead { font-size: 16px; margin-bottom: 30px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 16px; }
.hero__achievements { display: flex; gap: 16px; margin-top: 30px; }

.logos {
  background: #fff;
  border-bottom: 1px solid var(--c-border);
  padding: 38px 0 42px;
}
.logos__note {
  text-align: center;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--c-text-weak);
  margin-bottom: 24px;
}
.logos__note strong { color: var(--c-primary); font-size: 16px; }
.logos__viewport { overflow: hidden; }
.logos__track {
  display: flex;
  width: max-content;
  animation: logos-scroll 38s linear infinite;

  animation-play-state: paused;
  opacity: 0;
}
.logos__track.is-ready {
  animation-play-state: running;
  opacity: 1;
  transition: opacity .3s ease;
}

.logos__track > * { margin-right: 40px; }
.logos__logo {
  flex: none;
  width: auto;
  height: 38px;
  object-fit: contain;
}
@keyframes logos-scroll {
  to { transform: translateX(-50%); }
}

.problem__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
}
.problem__subtitle {
  font-size: 19px;
  font-weight: 700;
  color: var(--c-navy);
  line-height: 1.5;
  padding-left: 14px;
  border-left: 4px solid var(--c-primary);
  margin-bottom: 18px;
}
.problem__cite {
  font-size: 11.5px;
  color: var(--c-text-weak);
  margin-top: 8px;
}
.problem__text { margin-top: 14px; font-size: 14.5px; }

.problem__issues { margin-top: 76px; }
.problem__issues-title {
  text-align: center;
  font-size: 22px;
  font-weight: 900;
  color: var(--c-navy);
  margin-bottom: 28px;
}
.problem__issue-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.issue-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: #f4f9fd;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 24px 22px;
  font-size: 14.5px;
  line-height: 1.7;
}
.issue-card strong { color: var(--c-navy); }
.issue-card__icon {
  flex: 0 0 34px;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--c-primary);
  color: #fff;
  font-weight: 900;
  font-size: 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.problem__conclusion { margin-top: 60px; text-align: center; }
.problem__arrow {
  display: block;
  width: 0; height: 0;
  border: 20px solid transparent;
  border-top: 24px solid var(--c-cyan);
  margin: 0 auto 24px;
}
.problem__conclusion p {
  display: inline-block;
  background: var(--grad);
  color: #fff;
  font-size: clamp(15.5px, 2vw, 19px);
  font-weight: 700;
  line-height: 1.9;
  padding: 24px 44px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.cycle {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
}
.cycle__step {
  background: #fff;
  border: 2px solid var(--c-primary);
  border-radius: var(--radius);
  padding: 24px 28px;
  min-width: 208px;
  text-align: center;
  box-shadow: 0 6px 18px rgba(14, 90, 160, .08);
}
.cycle__num {
  display: inline-flex;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  font-weight: 900;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}
.cycle__name {
  display: block;
  font-size: 19px;
  font-weight: 900;
  color: var(--c-navy);
}
.cycle__desc {
  display: block;
  font-size: 12.5px;
  color: var(--c-text-weak);
  margin-top: 4px;
}
.cycle__arrow {
  align-self: center;
  width: 0; height: 0;
  border: 12px solid transparent;
  border-left: 16px solid var(--c-cyan);
  margin: 0 18px;
}
.cycle__arrow--loop { display: none; }
.cycle__note {
  text-align: center;
  margin-top: 32px;
  font-size: 15px;
}

.feature {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: center;
  padding: 52px 0;
}
.feature + .feature { border-top: 1px dashed var(--c-border); }
.feature--rev .feature__text { order: 2; }
.feature--rev .feature__visual { order: 1; }

.feature__tags {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.feature__name {
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--c-primary);
  margin-bottom: 6px;
}
.feature__title {
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 900;
  line-height: 1.5;
  color: var(--c-navy);
  margin-bottom: 16px;
}
.feature__desc { font-size: 14.5px; }

.midcta {
  margin-top: 64px;
  background: var(--c-bg-tint);
  border-radius: 16px;
  padding: 44px 32px;
  text-align: center;
}
.section--tint .midcta { background: #fff; box-shadow: var(--shadow); }
.midcta__text {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 24px;
}
.midcta__btns {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

.gstate {
  position: relative;
  max-width: 860px;
  margin: 0 auto 72px;
  background: #fff;
  border: 2px solid var(--c-primary);
  border-radius: 16px;
  padding: 36px 38px 24px;
  text-align: center;
  box-shadow: var(--shadow);
}
.gstate__label {
  position: absolute;
  top: 0; left: 50%;
  transform: translate(-50%, -50%);
  background: var(--grad);
  color: #fff;
  font-size: 12.5px;
  font-weight: 900;
  letter-spacing: .08em;
  padding: 6px 22px;
  border-radius: 999px;
  white-space: nowrap;
}
.gstate__text {
  font-size: clamp(15.5px, 2vw, 19px);
  font-weight: 700;
  color: var(--c-navy);
  line-height: 1.9;
}
.gstate__text strong {
  color: var(--c-primary);
  background: linear-gradient(transparent 70%, rgba(0, 160, 233, .2) 70%);
}
.gstate__cite { margin-top: 12px; font-size: 11.5px; color: var(--c-text-weak); }
.gstate__cite a { color: inherit; }

.seoaio__grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 52px;
  align-items: center;
}
.seoaio__subtitle {
  font-size: 19px;
  font-weight: 700;
  color: var(--c-navy);
  line-height: 1.5;
  padding-left: 14px;
  border-left: 4px solid var(--c-primary);
  margin-bottom: 18px;
}
.seoaio__text { font-size: 14.5px; }
.seoaio__text + .seoaio__text { margin-top: 12px; }
.seoaio__text strong { color: var(--c-navy); }

.seoaio__fncs { margin-top: 68px; }
.seoaio__fncs-title {
  text-align: center;
  font-size: 22px;
  font-weight: 900;
  color: var(--c-navy);
  margin-bottom: 28px;
}
.seoaio__fnc-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.seoaio-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  box-shadow: 0 3px 12px rgba(14, 90, 160, .06);
  line-height: 1.7;
}
.seoaio-card strong {
  display: block;
  font-size: 15.5px;
  color: var(--c-navy);
  margin-bottom: 6px;
}
.seoaio-card strong::before {
  content: "\2713";
  color: var(--c-primary);
  font-weight: 900;
  margin-right: 8px;
}
.seoaio-card span { font-size: 13px; color: var(--c-text-weak); display: block; }

.seoaio__case {
  margin-top: 68px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 38px 40px;
}
.case__label,
.seoaio__case-label {
  display: inline-block;
  background: #e3f1fb;
  color: var(--c-primary);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .06em;
  padding: 4px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.seoaio__case-inner {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 36px;
  align-items: center;
}
.seoaio__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.seoaio__stats li {
  background: var(--c-bg-tint);
  border-radius: var(--radius);
  padding: 22px 14px;
  text-align: center;
}
.seoaio__stats strong {
  display: block;
  font-size: 38px;
  font-weight: 900;
  line-height: 1.2;
  color: var(--c-primary);
}
.seoaio__stats strong small { font-size: 16px; font-weight: 900; margin-left: 2px; }
.seoaio__stats span {
  display: block;
  font-size: 12px;
  color: var(--c-text-weak);
  line-height: 1.5;
  margin-top: 6px;
}

.seoaio__conclusion { margin-top: 60px; text-align: center; }
.seoaio__conclusion p {
  display: inline-block;
  background: var(--grad);
  color: #fff;
  font-size: clamp(15.5px, 2vw, 19px);
  font-weight: 700;
  line-height: 1.9;
  padding: 24px 44px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.case__card {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 40px;
  align-items: center;
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 44px;
}
.case__company {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--c-primary);
}
.case__title {
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 900;
  line-height: 1.5;
  color: var(--c-navy);
  margin: 8px 0 20px;
}
.case__quote {
  position: relative;
  background: #f4f9fd;
  border-left: 4px solid var(--c-primary);
  border-radius: 0 10px 10px 0;
  padding: 30px 24px 22px;
  font-size: 14.5px;
  line-height: 1.95;
  margin-bottom: 20px;
}
.case__quote::before {
  content: "\201C";
  position: absolute;
  top: 0; left: 12px;
  font-size: 46px;
  font-weight: 900;
  line-height: 1;
  color: rgba(14, 122, 212, .18);
}
.case__more { text-align: center; margin-top: 32px; }

.fncs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.fncs__cat {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(14, 90, 160, .06);
}
.fncs__cat-name {
  text-align: center;
  color: #fff;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: .06em;
  padding: 14px;
}
.fncs__cat--create  .fncs__cat-name { background: linear-gradient(135deg, #2aa9ec, #0e7ad4); }
.fncs__cat--analyze .fncs__cat-name { background: linear-gradient(135deg, #0e7ad4, #0a5cab); }
.fncs__cat--cs      .fncs__cat-name { background: linear-gradient(135deg, #18bcae, #0d9e9d); }

.fncs__cat ul { padding: 10px 22px 16px; }
.fncs__cat li {
  padding: 14px 2px;
  border-bottom: 1px dashed var(--c-border);
  line-height: 1.6;
}
.fncs__cat li:last-child { border-bottom: 0; }
.fncs__cat li strong {
  display: block;
  font-size: 14.5px;
  color: var(--c-navy);
  margin-bottom: 2px;
}
.fncs__cat li span {
  font-size: 12.5px;
  color: var(--c-text-weak);
}

.followup {
  margin-top: 60px;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 48px;
  align-items: center;
  background: var(--c-bg-tint);
  border-radius: 16px;
  padding: 52px 48px;
}
.followup__title {
  font-size: clamp(20px, 2.4vw, 25px);
  font-weight: 900;
  line-height: 1.5;
  color: var(--c-navy);
  padding-left: 14px;
  border-left: 4px solid var(--c-primary);
  margin-bottom: 16px;
}
.followup__desc { font-size: 14.5px; }
.followup__desc + .followup__desc { margin-top: 10px; }

.price__card {
  max-width: 760px;
  margin: 0 auto;
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 50px 40px;
  text-align: center;
}
.price__includes {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}
.price__includes li {
  background: #e3f1fb;
  color: var(--c-primary);
  font-size: 13.5px;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: 999px;
}
.price__includes li::before { content: "\2713"; margin-right: 7px; }
.price__text { font-size: 15px; margin-bottom: 28px; }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.steps__item {
  position: relative;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 14px;
  padding: 26px 22px;
  box-shadow: 0 4px 14px rgba(14, 90, 160, .05);
}
.steps__item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -17px;
  top: 50%;
  transform: translateY(-50%);
  border: 8px solid transparent;
  border-left: 10px solid var(--c-cyan);
}
.steps__no {
  display: inline-block;
  background: var(--grad);
  color: #fff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .1em;
  padding: 4px 14px;
  border-radius: 999px;
}
.steps__name {
  font-size: 17px;
  font-weight: 900;
  color: var(--c-navy);
  margin-top: 14px;
  line-height: 1.5;
}
.steps__sub {
  font-size: 12px;
  font-weight: 700;
  color: var(--c-primary);
  margin: 2px 0 10px;
}
.steps__desc { font-size: 12.8px; line-height: 1.75; }
.support__note {
  text-align: center;
  margin-top: 36px;
  font-size: 13.5px;
  color: var(--c-text-weak);
}

.faq__list { display: flex; flex-direction: column; gap: 14px; }
.faq__item {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 3px 12px rgba(14, 90, 160, .06);
  overflow: hidden;
}
.faq__q {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 58px 20px 22px;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-navy);
}
.faq__mark {
  flex: 0 0 30px;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  font-size: 15px;
  font-weight: 900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.faq__mark--a {
  background: #fff;
  border: 2px solid var(--c-accent);
  color: var(--c-accent);
}
.faq__icon {
  position: absolute;
  right: 22px;
  top: 50%;
  width: 14px; height: 14px;
  transform: translateY(-50%);
}
.faq__icon::before,
.faq__icon::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  background: var(--c-primary);
  border-radius: 2px;
  transform: translate(-50%, -50%);
}
.faq__icon::before { width: 14px; height: 2.5px; }
.faq__icon::after  { width: 2.5px; height: 14px; transition: transform .25s ease; }
.faq__item.is-open .faq__icon::after { transform: translate(-50%, -50%) scaleY(0); }

.faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq__a-inner {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin: 0 22px;
  padding: 18px 0 22px;
  border-top: 1px dashed var(--c-border);
  font-size: 14px;
  line-height: 1.9;
}

.cta-final {
  background: linear-gradient(135deg, #0a5cab 0%, #0e7ad4 55%, #00a0e9 100%);
  color: #fff;
  text-align: center;
  padding: 92px 0;
}
.cta-final__title {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 900;
  line-height: 1.55;
}
.cta-final__lead {
  margin: 18px 0 34px;
  font-size: 15px;
  opacity: .95;
}
.cta-final__btns {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer {
  background: #1c2b3a;
  color: #cbd8e4;
  padding-top: 56px;
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
}
.footer__brand .ph--logo { width: 180px; height: 36px; }
.footer__company { margin-top: 12px; font-size: 13px; }
.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  font-size: 13px;
}
.footer__links a { color: #cbd8e4; text-decoration: none; }
.footer__links a:hover { color: #fff; text-decoration: underline; }
.footer__copy {
  text-align: center;
  font-size: 11.5px;
  color: #8aa0b5;
  margin-top: 44px;
  padding: 26px 16px;
  border-top: 1px solid rgba(255, 255, 255, .12);
}

.sp-cta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 60;
  display: none;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 -6px 20px rgba(20, 60, 100, .16);
  transform: translateY(110%);
  visibility: hidden;
  transition: transform .3s ease, visibility .3s ease;
}
.sp-cta .btn { width: 100%; }
.sp-cta.is-visible { transform: translateY(0); visibility: visible; }

@media (max-width: 980px) {
  .gnav { display: none; }
  .menu-toggle { display: flex; }
  .sp-nav { display: block; }

  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__net { opacity: .55; -webkit-mask-image: none; mask-image: none; }

  .problem__grid { grid-template-columns: 1fr; }
  .problem__issue-list { grid-template-columns: 1fr; }

  .feature,
  .feature--rev { grid-template-columns: 1fr; gap: 26px; padding: 44px 0; }
  .feature--rev .feature__text { order: 1; }
  .feature--rev .feature__visual { order: 2; }

  .case__card { grid-template-columns: 1fr; padding: 30px 24px; }

  .seoaio__grid { grid-template-columns: 1fr; gap: 28px; }
  .seoaio__fnc-list { grid-template-columns: repeat(2, 1fr); }
  .seoaio__case-inner { grid-template-columns: 1fr; gap: 24px; }

  .fncs { grid-template-columns: 1fr; }
  .followup { grid-template-columns: 1fr; padding: 36px 26px; gap: 28px; }

  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps__item:nth-child(even)::after { display: none; }
}

@media (max-width: 768px) {
  .header__cta { display: none; }
  .sp-cta { display: block; }
}

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .hero { padding: 56px 0 64px; }
  .hero__cta .btn { width: 100%; }
  .hero__achievements { flex-wrap: wrap; }

  .cycle { flex-direction: column; align-items: center; }
  .cycle__step { width: 100%; max-width: 320px; }
  .cycle__arrow {
    border: 12px solid transparent;
    border-top: 16px solid var(--c-cyan);
    border-bottom: 0;
    margin: 16px 0;
  }

  .midcta__btns .btn,
  .cta-final__btns .btn { width: 100%; max-width: 360px; }

  .seoaio__fnc-list { grid-template-columns: 1fr; }
  .seoaio__case { padding: 28px 22px; }
  .seoaio__conclusion p { padding: 20px 24px; }
  .gstate { padding: 32px 22px 20px; }

  .steps { grid-template-columns: 1fr; }
  .steps__item::after { display: none !important; }

  .problem__conclusion p { padding: 20px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .logos__track { animation: none; }
}