:root {
  --blue-950: #03133f;
  --blue-900: #05246f;
  --blue-800: #073aa8;
  --blue-700: #0a55d8;
  --blue-600: #1775ed;
  --cyan-400: #55c8f4;
  --blue-150: #cfe5ff;
  --blue-100: #e7f2ff;
  --blue-050: #f3f8ff;
  --ink: #111d3d;
  --muted: #53617d;
  --line: #d8e5f6;
  --paper: #ffffff;
  --soft: #f7faff;
  --shadow: 0 24px 70px rgba(10, 48, 122, .1);
  --shadow-soft: 0 12px 34px rgba(10, 48, 122, .08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  overflow-x: clip;
  overflow-wrap: anywhere;
  background:
    radial-gradient(circle at 8% 14%, rgba(85, 200, 244, .1), transparent 22rem),
    linear-gradient(180deg, #f8fbff 0, #fff 42rem, #f8fbff 100%);
  color: var(--ink);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 17px;
  font-weight: 400;
  line-height: 2;
  letter-spacing: .025em;
}

a {
  color: var(--blue-700);
  text-underline-offset: .2em;
}

a:hover {
  text-decoration-thickness: 2px;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid #8bc7ff;
  outline-offset: 4px;
}

.kp-skip-link {
  position: fixed;
  z-index: 10000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 6px;
  background: #fff;
  color: var(--blue-700);
  font-weight: 800;
  transform: translateY(-150%);
}

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

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

.wrap {
  width: min(1120px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 24px;
}

.brand {
  color: var(--blue-900);
  font-size: 18px;
  font-weight: 900;
}

.header-nav {
  display: flex;
  gap: 22px;
  font-size: 14px;
  font-weight: 800;
}

.reading-progress {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 1000;
  width: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan-400), var(--blue-600), #1840cf);
  box-shadow: 0 0 16px rgba(23, 117, 237, .48);
  pointer-events: none;
}

.hero {
  position: relative;
  isolation: isolate;
  width: min(1240px, calc(100% - 32px));
  margin: 28px auto 0;
  padding: 72px 58px 62px;
  overflow: hidden;
  border-radius: 30px;
  background:
    radial-gradient(circle at 88% 18%, rgba(85, 200, 244, .24) 0 8rem, transparent 8.1rem),
    linear-gradient(135deg, #061f68 0%, #0a48c8 60%, #087ee1 100%);
  color: #fff;
  box-shadow: var(--shadow);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 50%;
}

.hero::before {
  right: -8rem;
  bottom: -18rem;
  width: 34rem;
  height: 34rem;
}

.hero::after {
  left: -9rem;
  top: -13rem;
  width: 25rem;
  height: 25rem;
}

.hero .wrap {
  width: min(920px, calc(100% - 64px));
}

.eyebrow,
.index-kicker {
  margin: 0 0 14px;
  color: var(--blue-700);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 7px 16px;
  border: 1px solid rgba(255, 255, 255, .36);
  border-radius: 999px;
  background: rgba(255, 255, 255, .12);
  color: #dff4ff;
  letter-spacing: .08em;
  backdrop-filter: blur(8px);
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--blue-950);
  line-height: 1.45;
  letter-spacing: .005em;
}

h1 {
  max-width: 940px;
  color: #fff;
  font-size: clamp(40px, 5.2vw, 66px);
  font-weight: 900;
  line-height: 1.34;
  letter-spacing: .015em;
  line-break: strict;
  text-wrap: balance;
  word-break: auto-phrase;
}

.reading-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 18px;
  color: #d8edff;
  font-size: 13px;
  font-weight: 700;
}

.reading-meta span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.reading-meta span::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan-400);
}

.lead-quotes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 34px 0 28px;
  padding: 0;
  border: 0;
  background: transparent;
}

.lead-quotes p {
  position: relative;
  min-height: 100%;
  margin: 0;
  padding: 18px 18px 18px 42px;
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 14px;
  background: rgba(255, 255, 255, .12);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.75;
  backdrop-filter: blur(8px);
}

.lead-quotes p::before {
  content: "✓";
  position: absolute;
  top: 18px;
  left: 18px;
  color: #82e2ff;
  font-weight: 900;
}

.lead {
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.9;
}

.hero p:not(.eyebrow) {
  color: rgba(255, 255, 255, .88);
}

p {
  margin: 20px 0 0;
}

strong {
  color: var(--blue-800);
  font-weight: 900;
}

.hero strong {
  color: #fff;
}

.marker {
  position: relative;
  z-index: 0;
  display: inline;
  color: inherit;
  font-weight: 900;
}

.marker::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  bottom: .08em;
  width: 0;
  height: .42em;
  border-radius: 2px;
  background: rgba(102, 218, 255, .5);
  transition: width .7s ease;
}

.marker.is-visible::after {
  width: 100%;
}

.hero .related {
  border-color: rgba(255, 255, 255, .28);
  background: rgba(255, 255, 255, .1);
  box-shadow: none;
}

.hero .related p,
.hero .related a {
  color: #fff;
}

.index-panel {
  position: relative;
  z-index: 2;
  width: min(980px, calc(100% - 48px));
  margin: -28px auto 0;
  padding: 34px 38px 38px;
  border: 1px solid rgba(7, 58, 168, .16);
  border-radius: 22px;
  background: rgba(255, 255, 255, .96);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.index-panel h2 {
  font-size: 30px;
  font-weight: 900;
}

.toc-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  columns: 2;
  column-gap: 34px;
  counter-reset: toc;
}

.toc-list li {
  break-inside: avoid;
  counter-increment: toc;
  border-top: 1px solid var(--line);
}

.toc-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 10px;
  border-radius: 8px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.65;
  text-decoration: none;
  transition: color .2s ease, background .2s ease;
}

.toc-list a::before {
  content: counter(toc, decimal-leading-zero);
  flex: 0 0 28px;
  color: var(--blue-600);
  font-weight: 900;
}

.toc-list a:hover,
.toc-list a.is-current {
  background: var(--blue-050);
  color: var(--blue-700);
}

.index-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 28px;
}

.square-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  padding: 12px 22px;
  border: 2px solid var(--blue-700);
  border-radius: 12px;
  font-weight: 900;
  line-height: 1.55;
  text-align: center;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.square-cta:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.square-cta.primary {
  background: linear-gradient(135deg, var(--blue-700), var(--blue-800));
  color: #fff;
  box-shadow: 0 12px 26px rgba(10, 85, 216, .22);
}

.square-cta.secondary {
  background: #fff;
  color: var(--blue-800);
}

.content-section {
  position: relative;
  margin-top: 54px;
  padding: 50px 58px 58px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, .96);
  box-shadow: var(--shadow-soft);
}

.content-section:nth-of-type(even) {
  background: linear-gradient(145deg, #fff, #f8fbff);
}

.section-head {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  margin-bottom: 30px;
}

.section-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  border: 0;
  border-radius: 18px;
  background: linear-gradient(145deg, var(--blue-700), var(--blue-900));
  color: #fff;
  font-size: 23px;
  font-weight: 900;
  line-height: 1;
  box-shadow: 0 12px 24px rgba(10, 85, 216, .2);
}

.section-head h2 {
  position: relative;
  padding: 2px 0 18px;
  border-bottom: 1px solid var(--line);
  font-size: clamp(28px, 3.2vw, 38px);
  font-weight: 900;
  text-wrap: balance;
}

.section-head h2::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 84px;
  height: 4px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--blue-600), var(--cyan-400));
}

.section-figure {
  margin: 0 0 32px;
  padding: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.section-figure img {
  width: 100%;
  height: auto;
  border-radius: 11px;
}

h3 {
  position: relative;
  margin-top: 40px;
  padding: 14px 18px 14px 22px;
  border-left: 5px solid var(--blue-600);
  border-radius: 0 10px 10px 0;
  background: var(--blue-050);
  font-size: 23px;
  font-weight: 900;
}

.blue-list,
.step-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 24px 26px 24px 48px;
  border: 1px solid var(--blue-150);
  border-radius: 16px;
  background: linear-gradient(135deg, #f5faff, #fff);
}

.blue-list li,
.step-list li {
  padding-left: 3px;
}

.blue-list li::marker,
.step-list li::marker {
  color: var(--blue-600);
  font-weight: 900;
}

.table-wrap {
  margin-top: 26px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(10, 48, 122, .06);
}

.info-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
}

.info-table th,
.info-table td {
  padding: 16px 18px;
  border: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}

.info-table th {
  background: #eaf4ff;
  color: var(--blue-900);
  font-weight: 900;
}

.info-table tr:nth-child(even) td {
  background: #fbfdff;
}

.dialog {
  display: grid;
  gap: 16px;
  margin-top: 30px;
  padding: 24px;
  border-radius: 18px;
  background: #f4f8fe;
}

.dialog-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  align-items: start;
  gap: 16px;
}

.speaker {
  text-align: center;
  color: var(--blue-900);
  font-size: 12px;
  font-weight: 900;
  line-height: 1.4;
}

.speaker img {
  width: 60px;
  height: 60px;
  margin: 0 auto 7px;
  object-fit: cover;
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--blue-600);
}

.dialog-row p {
  position: relative;
  margin: 0;
  padding: 17px 20px;
  border: 1px solid var(--line);
  border-radius: 4px 16px 16px 16px;
  background: #fff;
  color: var(--ink);
  font-weight: 700;
  box-shadow: 0 7px 18px rgba(10, 48, 122, .06);
}

.dialog-row.answer p {
  border-color: #b9d8ff;
  background: #eaf4ff;
}

.source-box {
  display: grid;
  gap: 8px;
  margin-top: 28px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--blue-700);
  border-radius: 5px 14px 14px 5px;
  background: #fbfdff;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.source-box strong {
  display: block;
  color: var(--blue-900);
}

.related {
  position: relative;
  margin-top: 28px;
  padding: 20px 54px 20px 22px;
  border: 1px solid #b8d7ff;
  border-radius: 14px;
  background: linear-gradient(135deg, #eaf4ff, #f8fcff);
  box-shadow: 0 9px 24px rgba(10, 85, 216, .08);
}

.related::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: 22px;
  color: var(--blue-700);
  font-size: 24px;
  font-weight: 900;
  transform: translateY(-50%);
}

.related p {
  margin: 0 0 5px;
  color: var(--blue-700);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
}

.related a {
  color: var(--blue-950);
  font-weight: 900;
  text-decoration: none;
}

.related:hover {
  border-color: var(--blue-600);
}

.work-list,
.support-flow,
.faq-list {
  margin-top: 22px;
}

.sample-request {
  margin: 22px 0 0;
  padding: 20px 22px;
  border-left: 5px solid var(--blue-700);
  border-radius: 5px 14px 14px 5px;
  background: var(--blue-050);
  color: var(--blue-900);
  font-weight: 800;
}

.support-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.support-flow > div {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 8px 22px rgba(10, 48, 122, .05);
}

.support-flow h3,
.faq-list h3,
.work-list h3 {
  margin-top: 28px;
}

.support-flow h3 {
  margin: 0 0 8px;
  padding: 0;
  border: 0;
  background: none;
  font-size: 18px;
}

.support-flow p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.faq-list h3:first-child,
.work-list h3:first-child {
  margin-top: 0;
}

.diagnosis-box {
  position: relative;
  margin-top: 34px;
  padding: 34px;
  overflow: hidden;
  border: 0;
  border-radius: 20px;
  background: linear-gradient(135deg, #061f68, #0a56d8);
  color: #fff;
  box-shadow: 0 22px 46px rgba(6, 31, 104, .22);
}

.diagnosis-box::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -100px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 50%;
}

.diagnosis-box p {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, .9);
}

.diagnosis-box p:first-child {
  margin-top: 0;
  color: #fff;
  font-size: 24px;
  font-weight: 900;
}

.diagnosis-box strong {
  color: #fff;
}

.contact-actions {
  position: relative;
  z-index: 1;
  margin-top: 22px;
}

.diagnosis-box .square-cta.primary {
  border-color: #fff;
  background: #fff;
  color: var(--blue-800);
  box-shadow: none;
}

.floating-tools {
  position: fixed;
  right: max(18px, calc((100vw - 1240px) / 2 - 64px));
  bottom: 24px;
  z-index: 30;
  display: grid;
  gap: 10px;
}

.float-btn {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border: 1px solid rgba(255, 255, 255, .38);
  border-radius: 14px;
  background: linear-gradient(145deg, var(--blue-700), var(--blue-900));
  color: #fff;
  font-size: 21px;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(6, 31, 104, .25);
  cursor: pointer;
}

.float-btn:hover {
  background: linear-gradient(145deg, var(--blue-600), var(--blue-800));
}

.share-wrap {
  position: relative;
}

.share-menu {
  position: absolute;
  right: 60px;
  bottom: 0;
  display: grid;
  min-width: 160px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.share-menu[hidden] {
  display: none;
}

.share-menu a {
  padding: 12px 15px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.share-menu a:last-child {
  border-bottom: 0;
}

@media (max-width: 880px) {
  .lead-quotes {
    grid-template-columns: 1fr;
  }

  .support-flow {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 780px) {
  html {
    scroll-padding-top: 76px;
  }

  body {
    font-size: 16px;
    line-height: 1.95;
    letter-spacing: .018em;
  }

  .wrap {
    width: min(100% - 28px, 1120px);
  }

  .header-inner {
    min-height: 58px;
  }

  .header-nav {
    gap: 12px;
    font-size: 13px;
  }

  .hero {
    width: 100%;
    margin-top: 0;
    padding: 42px 18px 46px;
    border-radius: 0 0 26px 26px;
  }

  .hero .wrap {
    width: min(100% - 32px, 920px);
  }

  .hero .eyebrow {
    min-height: 32px;
    padding: 5px 12px;
    font-size: 11px;
  }

  h1 {
    font-size: 34px;
    line-height: 1.42;
  }

  .lead-quotes {
    gap: 8px;
    margin: 26px 0 22px;
  }

  .lead-quotes p {
    padding: 14px 14px 14px 38px;
    font-size: 14px;
  }

  .lead-quotes p::before {
    top: 14px;
    left: 14px;
  }

  .lead {
    font-size: 17px;
  }

  .index-panel {
    width: min(100% - 28px, 980px);
    margin-top: -20px;
    padding: 26px 20px 24px;
    border-radius: 18px;
  }

  .index-panel h2 {
    font-size: 25px;
  }

  .toc-list {
    columns: 1;
  }

  .index-actions {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .square-cta {
    min-height: 58px;
    padding: 10px 14px;
    font-size: 14px;
  }

  .content-section {
    width: min(100% - 20px, 1120px);
    margin-top: 34px;
    padding: 34px 18px 40px;
    border-radius: 20px;
  }

  .section-head {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 13px;
    margin-bottom: 24px;
  }

  .section-num {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    font-size: 18px;
  }

  .section-head h2 {
    padding-top: 0;
    padding-bottom: 14px;
    font-size: clamp(25px, 7vw, 31px);
  }

  .section-head h2::after {
    width: 58px;
    height: 3px;
  }

  .section-figure {
    margin-bottom: 26px;
    padding: 6px;
    border-radius: 14px;
  }

  h3 {
    margin-top: 34px;
    padding: 12px 14px 12px 16px;
    font-size: 20px;
  }

  .blue-list,
  .step-list {
    padding: 20px 18px 20px 38px;
  }

  .dialog {
    margin-inline: -8px;
    padding: 16px 12px;
  }

  .dialog-row {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 10px;
  }

  .speaker {
    font-size: 10px;
  }

  .speaker img {
    width: 48px;
    height: 48px;
  }

  .dialog-row p {
    padding: 14px;
    font-size: 14px;
    line-height: 1.8;
  }

  .source-box,
  .related {
    padding: 17px 44px 17px 16px;
  }

  .diagnosis-box {
    padding: 26px 20px;
  }

  .floating-tools {
    right: 12px;
    bottom: 14px;
  }

  .float-btn {
    width: 46px;
    height: 46px;
    border-radius: 12px;
  }

  .share-menu {
    right: 54px;
  }
}

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

  .marker::after,
  .square-cta,
  .toc-list a {
    transition: none;
  }
}

/* ========================================================================== 
   2026 editorial article system
   Quiet, long-form layout based on the supplied editorial reference.
   Scoped to SEO articles so service and corporate pages stay unchanged.
   ========================================================================== */

body.seo-article {
  --editorial-ink: #12182e;
  --editorial-blue: #154aa5;
  --editorial-line: #d9dee8;
  --editorial-soft: #f5f6fa;
  --editorial-marker: #ffe681;
  margin: 0;
  padding-top: 72px;
  padding-bottom: 54px;
  background: #f7f7fa;
  color: var(--editorial-ink);
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 18px;
  line-height: 2;
  letter-spacing: 0.018em;
}

body.seo-article main {
  display: block;
}

body.seo-article .article {
  width: min(1000px, calc(100% - 40px));
  margin: 40px auto 120px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid #eceef3;
  border-radius: 8px;
  box-shadow: none;
}

body.seo-article .article > .wrap {
  width: auto;
  max-width: none;
  margin: 0;
}

body.seo-article .hero {
  position: relative;
  min-height: 0;
  padding: 64px 72px 32px;
  background: #ffffff;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

body.seo-article .hero::before,
body.seo-article .hero::after {
  content: none;
}

body.seo-article .hero .wrap {
  width: auto;
  max-width: none;
  margin: 0;
  padding: 0;
}

body.seo-article .hero .eyebrow,
body.seo-article .index-kicker,
body.seo-article .kicker {
  margin: 0 0 12px;
  padding: 0;
  color: var(--editorial-blue);
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

body.seo-article .hero h1 {
  max-width: 820px;
  margin: 0;
  color: var(--editorial-ink);
  font-size: clamp(32px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.48;
  letter-spacing: 0.01em;
  text-wrap: pretty;
}

body.seo-article .hero p,
body.seo-article .content-section > p,
body.seo-article .content-section > ul,
body.seo-article .content-section > ol,
body.seo-article .content-section > h3,
body.seo-article .content-section > h4 {
  max-width: 800px;
}

body.seo-article .hero p:not(.eyebrow) {
  margin: 22px 0 0;
  color: var(--editorial-ink);
  font-size: 18px;
  line-height: 2;
}

body.seo-article .hero .lead {
  font-size: 19px;
  font-weight: 700;
}

body.seo-article .lead-quotes {
  display: block;
  margin: 28px 0 0;
  padding: 18px 24px;
  background: var(--editorial-soft);
  border: 1px solid var(--editorial-line);
  border-radius: 2px;
  box-shadow: none;
}

body.seo-article .lead-quotes p,
body.seo-article .hero .lead-quotes p {
  margin: 8px 0;
  background: transparent;
  border-radius: 0;
  color: #3f4759;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.75;
}

body.seo-article .support-flow {
  display: block;
  max-width: 800px;
  margin: 24px 0 34px;
  border-top: 1px solid var(--editorial-line);
}

body.seo-article .support-flow > div {
  margin: 0;
  padding: 18px 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--editorial-line);
  border-radius: 0;
  box-shadow: none;
}

body.seo-article .support-flow > div > :first-child {
  margin-top: 0;
}

body.seo-article .support-flow > div > :last-child {
  margin-bottom: 0;
}

body.seo-article .index-panel {
  margin: 28px 72px 8px;
  padding: 32px 40px;
  background: var(--editorial-soft);
  border: 0;
  border-radius: 4px;
  box-shadow: none;
}

body.seo-article .index-panel::before,
body.seo-article .index-panel::after {
  content: none;
}

body.seo-article .index-panel h2 {
  margin: 0 0 18px;
  padding: 0;
  color: var(--editorial-ink);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.5;
  border: 0;
}

body.seo-article .toc-list,
body.seo-article .index-panel ol {
  display: block;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: editorial-toc;
}

body.seo-article .toc-list li,
body.seo-article .index-panel ol > li {
  position: relative;
  margin: 0;
  padding: 9px 0 9px 30px;
  border-top: 1px solid #e2e5ec;
  counter-increment: editorial-toc;
}

body.seo-article .toc-list li:first-child,
body.seo-article .index-panel ol > li:first-child {
  border-top: 0;
}

body.seo-article .toc-list li::before,
body.seo-article .index-panel ol > li::before {
  content: counter(editorial-toc, decimal-leading-zero);
  position: absolute;
  top: 11px;
  left: 0;
  color: var(--editorial-blue);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

body.seo-article .toc-list a,
body.seo-article .index-panel ol a {
  display: inline;
  padding: 0;
  color: var(--editorial-ink);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.65;
  text-decoration: none;
  background: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

/* The legacy table-of-contents counter lived on the anchor. The current
   counter lives on the list item, so keeping both rendered an extra "00". */
body.seo-article .toc-list a::before,
body.seo-article .index-panel ol a::before {
  content: none;
}

body.seo-article .index-panel.is-collapsible:not(.is-expanded) .toc-list > li:nth-child(n + 4),
body.seo-article .index-panel.is-collapsible:not(.is-expanded) ol > li:nth-child(n + 4) {
  display: none;
}

body.seo-article .toc-toggle {
  display: flex;
  width: 100%;
  margin: 16px 0 0;
  padding: 14px 0 0;
  align-items: center;
  justify-content: space-between;
  color: var(--editorial-blue);
  background: transparent;
  border: 0;
  border-top: 1px solid var(--editorial-line);
  border-radius: 0;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
  cursor: pointer;
}

body.seo-article .toc-toggle::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: 16px;
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
}

body.seo-article .toc-toggle[aria-expanded="true"]::after {
  content: "−";
}

body.seo-article .toc-toggle:focus-visible {
  outline: 2px solid var(--editorial-blue);
  outline-offset: 5px;
}

body.seo-article .toc-list a:hover,
body.seo-article .toc-list a.is-current,
body.seo-article .index-panel ol a:hover {
  color: var(--editorial-blue);
  text-decoration: underline;
  text-underline-offset: 0.25em;
  background: none;
  transform: none;
}

body.seo-article .index-actions,
body.seo-article .contact-actions {
  display: none !important;
}

body.seo-article .content-section {
  margin: 0;
  padding: 60px 72px 0;
  background: #ffffff;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

body.seo-article .content-section:nth-of-type(even) {
  background: #ffffff;
}

body.seo-article .section-head {
  display: block;
  margin: 0 0 30px;
  padding: 0 0 14px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid #98a4b8;
  border-radius: 0;
  box-shadow: none;
}

body.seo-article .section-num {
  display: block;
  width: auto;
  min-width: 0;
  height: auto;
  margin: 0 0 8px;
  padding: 0;
  color: var(--editorial-blue);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.12em;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

body.seo-article .section-num::before {
  content: "SECTION ";
}

body.seo-article .section-head h2,
body.seo-article .content-section > h2 {
  margin: 0;
  padding: 0;
  color: var(--editorial-blue);
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.01em;
  text-wrap: pretty;
  background: transparent;
  border: 0;
}

body.seo-article .section-head h2::after {
  content: none;
}

body.seo-article:not(.seo-index) main h3,
body.seo-article .article h3 {
  margin: 44px 0 18px;
  padding: 15px 20px;
  color: var(--editorial-ink);
  background: var(--editorial-soft);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.65;
  border: 0;
  border-top: 2px solid var(--editorial-blue);
  border-radius: 2px;
  box-shadow: none;
}

body.seo-article:not(.seo-index) main h4,
body.seo-article .article h4 {
  margin: 34px 0 14px;
  padding: 0 0 9px;
  color: var(--editorial-ink);
  font-size: 19px;
  line-height: 1.7;
  border: 0;
  border-bottom: 1px solid var(--editorial-line);
}

body.seo-article .content-section p,
body.seo-article .content-section li {
  color: var(--editorial-ink);
  font-size: 18px;
  line-height: 2;
}

body.seo-article .content-section p {
  margin: 22px 0 0;
}

body.seo-article .content-section ul,
body.seo-article .content-section ol {
  margin: 24px 0 0;
  padding-left: 1.4em;
}

body.seo-article .section-figure {
  margin: 30px 0 34px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--editorial-line);
  border-radius: 2px;
  box-shadow: none;
}

body.seo-article .section-figure img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

body.seo-article .blue-list,
body.seo-article .step-list,
body.seo-article .check-list,
body.seo-article .ng-list {
  padding: 22px 26px 22px 48px;
  background: var(--editorial-soft);
  border: 1px solid var(--editorial-line);
  border-radius: 2px;
  box-shadow: none;
}

body.seo-article .table-wrap {
  margin: 28px 0;
  border: 1px solid var(--editorial-line);
  border-radius: 0;
  box-shadow: none;
}

body.seo-article .info-table,
body.seo-article .table-wrap table {
  border-collapse: collapse;
  background: #ffffff;
}

body.seo-article .info-table th,
body.seo-article .table-wrap th {
  color: var(--editorial-ink);
  background: var(--editorial-soft);
}

body.seo-article .info-table th,
body.seo-article .info-table td,
body.seo-article .table-wrap th,
body.seo-article .table-wrap td {
  padding: 15px 16px;
  font-size: 15px;
  line-height: 1.75;
  border: 1px solid var(--editorial-line);
}

body.seo-article .source-box {
  margin: 30px 0 0;
  padding: 18px 0;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--editorial-line);
  border-bottom: 1px solid var(--editorial-line);
  border-radius: 0;
  box-shadow: none;
}

body.seo-article .source-box strong {
  display: block;
  margin-bottom: 6px;
  color: #667085;
  font-size: 12px;
  letter-spacing: 0.08em;
}

body.seo-article .source-box a {
  color: var(--editorial-blue);
  font-size: 14px;
  line-height: 1.7;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

body.seo-article .dialog,
body.seo-article .sample-request,
body.seo-article .diagnosis-box {
  margin: 32px 0 0;
  padding: 24px 26px;
  background: var(--editorial-soft);
  border: 1px solid var(--editorial-line);
  border-radius: 2px;
  box-shadow: none;
}

body.seo-article .dialog-row,
body.seo-article .dialog-row.answer {
  background: transparent;
  border: 0;
  box-shadow: none;
}

body.seo-article .dialog-row p {
  background: #ffffff;
  border: 1px solid var(--editorial-line);
  border-radius: 2px;
  box-shadow: none;
}

body.seo-article .related {
  position: relative;
  display: block;
  margin: 38px 0 0;
  padding: 18px 0 20px;
  background: transparent;
  border: 0;
  border-top: 1px solid #aeb8c8;
  border-bottom: 1px solid #aeb8c8;
  border-radius: 0;
  box-shadow: none;
  transform: none;
}

body.seo-article .related::before {
  content: "関連記事";
  display: block;
  margin-bottom: 8px;
  color: #667085;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

body.seo-article .related::after {
  content: none;
}

body.seo-article .related p {
  margin: 0 0 5px;
  color: #667085;
  font-size: 12px;
  line-height: 1.6;
}

body.seo-article .related a {
  display: block;
  padding: 6px 0;
  color: var(--editorial-blue);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.7;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.28em;
}

body.seo-article .related:hover {
  background: transparent;
  border-color: var(--editorial-blue);
  box-shadow: none;
  transform: none;
}

body.seo-article details {
  margin: 0;
  background: #ffffff;
  border: 0;
  border-top: 1px solid var(--editorial-line);
  border-radius: 0;
  box-shadow: none;
}

body.seo-article details:last-child {
  border-bottom: 1px solid var(--editorial-line);
}

body.seo-article details summary {
  padding: 18px 0;
  font-weight: 700;
}

body.seo-article .marker,
body.seo-article .scroll-marker {
  display: inline;
  padding: 0 0.04em;
  background-image: linear-gradient(var(--editorial-marker), var(--editorial-marker));
  background-repeat: no-repeat;
  background-position: 0 88%;
  background-size: 0% 0.56em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  transition: background-size 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

body.seo-article .marker::after,
body.seo-article .scroll-marker::after {
  content: none;
}

body.seo-article .marker.is-visible::after,
body.seo-article .scroll-marker.is-visible::after {
  content: none;
}

body.seo-article .marker.is-visible,
body.seo-article .scroll-marker.is-visible {
  background-size: 100% 0.56em;
}

body.seo-article .reading-progress,
body.seo-article .reading-meta,
body.seo-article .floating-tools {
  display: none !important;
}

body.seo-article .seo-contact-bar {
  position: fixed;
  right: 16px;
  bottom: 10px;
  left: 16px;
  z-index: 90;
  width: min(720px, calc(100% - 32px));
  margin: 0 auto;
  padding: 0;
}

body.seo-article .seo-contact-bar a {
  display: flex;
  width: 100%;
  min-height: 36px;
  padding: 7px 20px;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  background: #0d429f;
  border: 1px solid #0d429f;
  border-radius: 2px;
  box-shadow: 0 5px 16px rgba(8, 42, 101, 0.18);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
  text-align: center;
  text-decoration: none;
}

body.seo-article .seo-contact-bar a:hover {
  color: #ffffff;
  background: #08377f;
}

body.seo-article .seo-contact-bar a:focus-visible {
  outline: 2px solid var(--editorial-blue);
  outline-offset: 4px;
}

/* The sports-school article predates the shared article markup. Normalize it
   without changing its content or assets. */
body.seo-article.sports-article > .hero,
body.seo-article.sports-article main {
  width: min(1000px, calc(100% - 40px));
  margin-right: auto;
  margin-left: auto;
  background: #ffffff;
}

body.seo-article.sports-article > .hero {
  margin-top: 40px;
  padding: 64px 72px 38px;
  border: 1px solid #eceef3;
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
}

body.seo-article.sports-article > .hero .wrap,
body.seo-article.sports-article main .wrap {
  width: auto;
  max-width: none;
  margin: 0;
}

body.seo-article.sports-article .hero-grid,
body.seo-article.sports-article .section-grid {
  display: block;
}

body.seo-article.sports-article .hero h1 {
  margin: 0;
}

body.seo-article.sports-article .hero-img,
body.seo-article.sports-article .section-media img {
  width: 100%;
  height: auto;
  margin: 30px 0 0;
  object-fit: contain;
  background: #ffffff;
  border: 1px solid var(--editorial-line);
  border-radius: 2px;
  box-shadow: none;
}

body.seo-article.sports-article main {
  margin-bottom: 120px;
  overflow: hidden;
  border: 1px solid #eceef3;
  border-top: 0;
  border-radius: 0 0 8px 8px;
  box-shadow: 0 18px 50px rgba(18, 24, 46, 0.05);
}

body.seo-article.sports-article main > section {
  padding: 58px 72px 0;
  background: #ffffff;
  border: 0;
}

body.seo-article.sports-article main > section h2 {
  margin: 0 0 28px;
  padding: 0 0 14px;
  color: var(--editorial-blue);
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1.55;
  border-bottom: 1px solid #98a4b8;
}

body.seo-article.sports-article main > section p,
body.seo-article.sports-article main > section li {
  font-size: 18px;
  line-height: 2;
}

body.seo-article.sports-article .index-panel,
body.seo-article.sports-article .source-panel {
  margin: 0 0 30px;
  padding: 28px 32px;
  background: var(--editorial-soft);
  border: 0;
  border-radius: 4px;
  box-shadow: none;
}

body.seo-article.sports-article .card-grid {
  display: block;
  margin: 28px 0 0;
}

body.seo-article.sports-article .check-card {
  margin: 0;
  padding: 20px 0;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--editorial-line);
  border-radius: 0;
  box-shadow: none;
}

body.seo-article.sports-article .check-card h3,
body.seo-article.sports-article .check-card p {
  margin: 0;
}

body.seo-article.sports-article .cta {
  display: none !important;
}

body.seo-article.sports-article .seo-contact-bar {
  margin: 0 auto;
}

@media (max-width: 780px) {
  body.seo-article {
    padding-top: 64px;
    font-size: 16px;
  }

  body.seo-article .article {
    width: 100%;
    margin: 0 auto 80px;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
    box-shadow: none;
  }

  body.seo-article .hero {
    padding: 44px 24px 24px;
  }

  body.seo-article .hero h1 {
    font-size: clamp(28px, 8vw, 34px);
    line-height: 1.48;
  }

  body.seo-article .hero p:not(.eyebrow),
  body.seo-article .content-section p,
  body.seo-article .content-section li {
    font-size: 16px;
    line-height: 1.95;
  }

  body.seo-article .lead-quotes {
    padding: 17px 19px;
  }

  body.seo-article .index-panel {
    margin: 22px 20px 0;
    padding: 26px 22px;
  }

  body.seo-article .content-section {
    padding: 50px 24px 0;
  }

  body.seo-article .section-head {
    margin-bottom: 24px;
  }

  body.seo-article .section-head h2,
  body.seo-article .content-section > h2 {
    font-size: 24px;
  }

  body.seo-article:not(.seo-index) main h3,
  body.seo-article .article h3 {
    margin-top: 38px;
    padding: 13px 16px;
    font-size: 20px;
  }

  body.seo-article .section-figure {
    margin: 24px 0 28px;
  }

  body.seo-article .dialog,
  body.seo-article .sample-request,
  body.seo-article .diagnosis-box {
    padding: 20px 18px;
  }

  body.seo-article .blue-list,
  body.seo-article .step-list,
  body.seo-article .check-list,
  body.seo-article .ng-list {
    padding: 19px 18px 19px 42px;
  }

  body.seo-article .seo-contact-bar,
  body.seo-article.sports-article .seo-contact-bar {
    right: 10px;
    bottom: 8px;
    left: 10px;
    width: calc(100% - 20px);
    margin: 0 auto;
  }

  body.seo-article .seo-contact-bar a {
    min-height: 34px;
    padding: 6px 14px;
    font-size: 12px;
  }

  body.seo-article .info-table th,
  body.seo-article .info-table td,
  body.seo-article .table-wrap th,
  body.seo-article .table-wrap td {
    padding: 12px 13px;
    font-size: 14px;
  }

  body.seo-article.sports-article > .hero,
  body.seo-article.sports-article main {
    width: 100%;
    margin: 0;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
    box-shadow: none;
  }

  body.seo-article.sports-article > .hero {
    padding: 44px 24px 28px;
  }

  body.seo-article.sports-article main > section {
    padding: 48px 24px 0;
  }

  body.seo-article.sports-article main > section p,
  body.seo-article.sports-article main > section li {
    font-size: 16px;
    line-height: 1.95;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.seo-article .marker,
  body.seo-article .scroll-marker {
    transition: none;
  }
}