/* =========================================================
   WKTK Digital Corporate Site - v14
   UI/UX refresh: modern, light, fast, accessible
========================================================= */

/* ========== Design Tokens ========== */
:root {
  --color-primary: #e84b7c;
  --color-primary-dark: #c43f68;
  --color-accent: #00a0b0;

  --color-bg: #f7f6fb;
  --color-surface: #ffffff;
  --color-surface-2: #fbfaff;
  --color-text: #1f2430;
  --color-muted: #6e7383;

  --color-border: rgba(31, 36, 48, 0.12);
  --color-border-strong: rgba(31, 36, 48, 0.18);

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;

  --shadow-sm: 0 8px 18px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 14px 34px rgba(15, 23, 42, 0.10);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.14);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);

  --header-height: 64px;
  --container-max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-size: 18px;
  margin: 0;
  font-family: "Poppins", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI",
    YuGothic, "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  color: var(--color-text);
  line-height: 1.75;
  background:
    radial-gradient(1200px circle at 10% 0%, rgba(232, 75, 124, 0.16), transparent 46%),
    radial-gradient(900px circle at 90% 12%, rgba(0, 160, 176, 0.14), transparent 52%),
    var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

body.is-intro {
  overflow: hidden;
}

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(232, 75, 124, 0.35);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ========== Layout ========== */
.container {
  width: min(92vw, var(--container-max));
  margin: 0 auto;
}

.page-main {
  padding-top: calc(var(--header-height) + 18px);
}

/* anchor offset for sticky header */
[id] {
  scroll-margin-top: calc(var(--header-height) + 18px);
}

/* ========== Header / Nav ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid rgba(31, 36, 48, 0.10);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: box-shadow 180ms var(--ease-out), background 180ms var(--ease-out), border-color 180ms var(--ease-out);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.90);
  border-color: rgba(31, 36, 48, 0.12);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: nowrap;
}

.logo-img {
  height: 30px;
  display: block;
}

/* Nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: 14px;
}

.main-nav a {
  position: relative;
  font-size: 18px;
  color: rgba(31, 36, 48, 0.72);
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 8px 0;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, rgba(232,75,124,0.9), rgba(0,160,176,0.65));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 200ms var(--ease-out);
  border-radius: 999px;
  opacity: 0.9;
}

.main-nav a:hover {
  color: rgba(31, 36, 48, 0.92);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

.main-nav a.active {
  color: rgba(31, 36, 48, 0.92);
}

/* Mobile nav toggle (injected by JS) */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(31, 36, 48, 0.18);
  background: rgba(255,255,255,0.88);
  color: rgba(31, 36, 48, 0.9);
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 120ms var(--ease-out), background 160ms var(--ease-out);
}

.nav-toggle:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,0.96);
}

.nav-toggle__icon {
  width: 18px;
  height: 12px;
  position: relative;
  display: inline-block;
}

.nav-toggle__icon::before,
.nav-toggle__icon::after,
.nav-toggle__icon span {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(31, 36, 48, 0.85);
  border-radius: 999px;
}

.nav-toggle__icon::before { top: 0; }
.nav-toggle__icon span { top: 5px; }
.nav-toggle__icon::after { bottom: 0; }

/* ========== Sections ========== */
.section {
  padding: clamp(56px, 7vw, 88px) 0;
}

.section-alt {
  padding: clamp(56px, 7vw, 88px) 0;
  background:
    radial-gradient(900px circle at 20% 0%, rgba(232, 75, 124, 0.08), transparent 55%),
    radial-gradient(900px circle at 80% 10%, rgba(0, 160, 176, 0.08), transparent 55%),
    var(--color-surface);
  border-top: 1px solid rgba(31, 36, 48, 0.06);
  border-bottom: 1px solid rgba(31, 36, 48, 0.06);
}

.section-header {
  margin-bottom: 28px;
}

.section-header h1,
.section-header h2 {
  margin: 0 0 10px;
  font-size: clamp(26px, 2.7vw, 36px);
  letter-spacing: 0.02em;
  line-height: 1.25;
}

.section-header p {
  margin: 0;
  color: rgba(31, 36, 48, 0.70);
  font-size: 15px;
  max-width: 70ch;
}

.section-header h1::after,
.section-header h2::after {
  content: "";
  display: block;
  width: 52px;
  height: 4px;
  border-radius: 999px;
  margin-top: 12px;
  background: linear-gradient(90deg, rgba(232,75,124,0.95), rgba(0,160,176,0.7));
  opacity: 0.9;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  padding: clamp(88px, 9vw, 118px) 0 clamp(74px, 7vw, 98px);
  color: #ffffff;
  overflow: hidden;
  background:
    radial-gradient(1000px circle at 14% 18%, rgba(255,255,255,0.26), transparent 45%),
    radial-gradient(900px circle at 88% 16%, rgba(0,160,176,0.35), transparent 52%),
    linear-gradient(135deg, #2b0d2e 0%, #e84b7c 44%, #00a0b0 120%);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  filter: blur(50px);
  opacity: 0.32;
  transform: translate3d(0,0,0);
  animation: blobFloat 14s var(--ease-out) infinite;
  pointer-events: none;
}

.hero::before {
  left: -180px;
  top: -220px;
  background: radial-gradient(circle at 30% 30%, rgba(232,75,124,0.85), transparent 60%);
}

.hero::after {
  right: -220px;
  bottom: -260px;
  background: radial-gradient(circle at 30% 30%, rgba(0,160,176,0.85), transparent 60%);
  animation-duration: 18s;
}

@keyframes blobFloat {
  0%   { transform: translate3d(0,0,0) scale(1); }
  50%  { transform: translate3d(18px, -14px, 0) scale(1.06); }
  100% { transform: translate3d(0,0,0) scale(1); }
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-label {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.9;
}

.hero h1 {
  margin: 14px 0 18px;
  font-size: clamp(30px, 3.3vw, 44px);
  line-height: 1.22;
  letter-spacing: 0.02em;
}

.hero-lead {
  margin: 0 0 28px;
  font-size: 15px;
  opacity: 0.96;
  max-width: 78ch;
}

.hero-actions .btn + .btn {
  margin-left: 12px;
}

.hero-orbit {
  position: absolute;
  right: -120px;
  top: -90px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.26);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.10);
  animation: orbit 22s linear infinite;
  opacity: 0.85;
}

.hero-orbit::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.85);
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 18px rgba(255,255,255,0.65);
}

@keyframes orbit {
  from { transform: rotate(0deg) translate3d(0,0,0); }
  to   { transform: rotate(360deg) translate3d(0,0,0); }
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  font-size: 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 140ms var(--ease-out), box-shadow 160ms var(--ease-out), background-color 160ms var(--ease-out), color 160ms var(--ease-out), border-color 160ms var(--ease-out);
  font-weight: 700;
  line-height: 1;
}

.btn.primary {
  background: linear-gradient(135deg, rgba(232,75,124,1), rgba(196,63,104,1));
  color: #ffffff;
  box-shadow: 0 10px 22px rgba(232,75,124,0.24);
}

.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(232,75,124,0.32);
}

.btn.secondary {
  background-color: rgba(255,255,255,0.10);
  color: #ffffff;
  border-color: rgba(255,255,255,0.40);
}

.btn.secondary:hover {
  transform: translateY(-2px);
  background-color: rgba(255,255,255,0.16);
}

.btn.ghost {
  background-color: rgba(255,255,255,0.0);
  border-color: rgba(232,75,124,0.60);
  color: var(--color-primary);
  box-shadow: none;
}

.btn.ghost:hover {
  transform: translateY(-2px);
  background-color: rgba(232,75,124,0.10);
}

/* ========== Cards ========== */
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.cards-3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  position: relative;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 22px;
  border: 1px solid rgba(31, 36, 48, 0.08);
  box-shadow: var(--shadow-sm);
  color: inherit;
}

.card h3,
.card h2 {
  margin-top: 6px;
  margin-bottom: 8px;
  font-size: 18px;
  letter-spacing: 0.01em;
  line-height: 1.45;
}

.card p {
  margin: 0;
  font-size: 14px;
  color: rgba(31, 36, 48, 0.70);
}

/* meta pill */
.meta {
  margin: 0 0 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  color: rgba(31, 36, 48, 0.74);
  background: rgba(232, 75, 124, 0.10);
  border: 1px solid rgba(232, 75, 124, 0.18);
  width: fit-content;
}

/* hover */
.card-hover {
  overflow: hidden;
  transition: transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out), border-color 200ms var(--ease-out);
}

.card-hover::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: radial-gradient(800px circle at 0% 0%, rgba(232,75,124,0.18), transparent 45%),
              radial-gradient(800px circle at 100% 100%, rgba(0,160,176,0.16), transparent 45%);
  opacity: 0;
  transition: opacity 200ms var(--ease-out);
  pointer-events: none;
}

.card-hover:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(232, 75, 124, 0.30);
}

.card-hover:hover::before {
  opacity: 1;
}

.card-hover:focus-visible {
  outline: 3px solid rgba(232, 75, 124, 0.35);
  outline-offset: 2px;
}

/* ========== Two Column ========== */
.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.95fr);
  gap: 32px;
  align-items: start;
}

/* ========== Definition List ========== */
.definition-list {
  margin: 0;
}

.definition-list div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(31, 36, 48, 0.08);
}

.definition-list div:last-child {
  border-bottom: none;
}

.definition-list dt {
  font-size: 13px;
  color: rgba(31, 36, 48, 0.62);
  margin: 0;
}

.definition-list dd {
  margin: 0;
  font-size: 14px;
}

/* ========== Subsection (About etc) ========== */
.subsection {
  margin-top: 34px;
  padding: 18px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(31, 36, 48, 0.08);
  background: rgba(255, 255, 255, 0.70);
  box-shadow: 0 10px 26px rgba(15, 23, 42, 0.06);
}

.subsection h2 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.4;
}

.subsection p {
  margin: 0 0 12px;
  color: rgba(31, 36, 48, 0.78);
  font-size: 14px;
}

.subsection p:last-child {
  margin-bottom: 0;
}

/* ========== Lists ========== */
.list .list-item {
  padding: 0;
  border-bottom: 1px solid rgba(31, 36, 48, 0.10);
}

.list .list-item:last-child {
  border-bottom: none;
}

.list-link {
  display: block;
  color: inherit;
  padding: 18px 14px;
  margin: 0 -14px;
  border-radius: var(--radius-md);
  transition: background-color 180ms var(--ease-out), transform 180ms var(--ease-out);
}

.list-link:hover {
  background-color: rgba(232,75,124,0.06);
  transform: translateY(-1px);
}

.list .list-item h2 {
  margin: 6px 0 6px;
  font-size: 18px;
  line-height: 1.45;
}

.list .list-item p {
  margin: 0;
  font-size: 14px;
  color: rgba(31, 36, 48, 0.72);
}

/* ========== Article ========== */
.article-body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 16px;
  line-height: 1.95;
  color: rgba(31, 36, 48, 0.90);
  max-width: 860px;
  margin: 0 auto;
}

.article-body h2,
.article-body h3 {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  line-height: 1.5;
}

.article-body h2 {
  font-size: 22px;
  margin: 34px 0 14px;
  border-left: 4px solid var(--color-primary);
  padding-left: 12px;
}

.article-body h3 {
  font-size: 18px;
  margin: 26px 0 12px;
}

.article-body p {
  font-size: 15px;
  margin: 0 0 18px;
}

.article-body strong {
  font-weight: 800;
}

.article-body ul,
.bullet-list {
  margin: 0 0 14px 20px;
  padding: 0;
  font-size: 15px;
}

.article-body table,
.article-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 22px;
  font-size: 14px;
  background: rgba(255,255,255,0.80);
  border-radius: 12px;
  overflow: hidden;
}

.article-body th, .article-body td,
.article-table th, .article-table td {
  border: 1px solid rgba(31,36,48,0.12);
  padding: 10px 12px;
  text-align: left;
}

.article-body th,
.article-table th {
  background-color: rgba(232,75,124,0.06);
  white-space: nowrap;
}

/* ========== Contact form ========== */
.contact-form,
.contact-confirm {
  background-color: rgba(255,255,255,0.82);
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(31,36,48,0.10);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: rgba(31, 36, 48, 0.72);
  font-weight: 700;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(31, 36, 48, 0.18);
  background: rgba(255,255,255,0.9);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(232, 75, 124, 0.55);
  box-shadow: 0 0 0 4px rgba(232, 75, 124, 0.12);
  outline: none;
}

.confirm-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.confirm-note {
  margin-top: 12px;
  font-size: 12px;
  color: rgba(31, 36, 48, 0.60);
}

/* ========== Footer ========== */
.site-footer {
  padding: 26px 0;
  background-color: rgba(255,255,255,0.88);
  border-top: 1px solid rgba(31,36,48,0.10);
  margin-top: 40px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.footer-inner {
  font-size: 12px;
  color: rgba(31, 36, 48, 0.62);
}

.footer-main {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.footer-links a {
  font-size: 12px;
  color: rgba(31, 36, 48, 0.60);
  padding: 4px 6px;
  border-radius: 8px;
  transition: background-color 160ms var(--ease-out), color 160ms var(--ease-out);
}

.footer-links a:hover {
  background-color: rgba(232,75,124,0.10);
  color: rgba(31, 36, 48, 0.90);
}

/* ========== Inline links / Section footer ========== */
.section-footer {
  margin-top: 18px;
}

.link-inline {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  padding-bottom: 2px;
  border-bottom: 2px solid rgba(232,75,124,0.35);
  transition: border-color 160ms var(--ease-out), transform 160ms var(--ease-out);
}

.link-inline:hover {
  border-color: rgba(232,75,124,0.7);
  transform: translateY(-1px);
}

/* ========== Reveal Animations ========== */
.js-fadein {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 750ms var(--ease-out), transform 750ms var(--ease-out);
  will-change: opacity, transform;
}

.js-fadein.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* smaller & staggerable */
.js-reveal {
  opacity: 0;
  transform: translateY(16px);
  filter: blur(6px);
  transition:
    opacity 700ms var(--ease-out),
    transform 700ms var(--ease-out),
    filter 700ms var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform, filter;
}

.js-reveal.in-view {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* ========== Intro overlay ========== */
.intro-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 80;
  color: var(--color-text);
  opacity: 0;
  visibility: hidden;
  transition: opacity 520ms var(--ease-out), visibility 520ms var(--ease-out);
  overflow: hidden;
  background:
    radial-gradient(1200px circle at 18% 18%, rgba(232, 75, 124, 0.22), transparent 50%),
    radial-gradient(1000px circle at 86% 78%, rgba(0, 160, 176, 0.18), transparent 52%),
    #ffffff;
}

.intro-overlay.intro-active {
  opacity: 1;
  visibility: visible;
}

.intro-overlay.intro-hide {
  opacity: 0;
  visibility: hidden;
}

.intro-overlay::before {
  content: "";
  position: absolute;
  inset: -35%;
  background:
    radial-gradient(circle at 0% 0%, rgba(232,75,124,0.18), transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(0,160,176,0.18), transparent 55%);
  opacity: 0.6;
  mix-blend-mode: multiply;
  animation: introSweep 18s linear infinite;
}

@keyframes introSweep {
  0%   { transform: rotate(0deg) scale(1); }
  50%  { transform: rotate(180deg) scale(1.05); }
  100% { transform: rotate(360deg) scale(1); }
}

.intro-inner {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 18px;
}

.intro-logo {
  width: 240px;
  max-width: 72vw;
  margin-bottom: 22px;
  animation: introLogoFloat 900ms var(--ease-out);
  filter: drop-shadow(0 18px 30px rgba(15,23,42,0.10));
}

@keyframes introLogoFloat {
  from { opacity: 0; transform: translateY(18px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.intro-words {
  font-size: clamp(22px, 3.8vw, 34px);
  font-weight: 800;
  letter-spacing: 0.10em;
}

.intro-word {
  display: none;
  opacity: 0;
  transform: translateY(14px) scale(0.96);
}

.intro-word.intro-active {
  display: inline-block;
  animation: introBeat 760ms var(--ease-out) forwards;
}

@keyframes introBeat {
  0%   { opacity: 0; transform: translateY(18px) scale(0.90); }
  40%  { opacity: 1; transform: translateY(0) scale(1.04); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* ========== Responsive ========== */
@media (max-width: 900px) {
  .two-column {
    grid-template-columns: 1fr;
    gap: 22px;
  }
}

@media (max-width: 840px) {
  .header-inner {
    height: auto;
    padding: 10px 0 12px;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .main-nav {
    width: 100%;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 10px 0 4px;
  }

  body.nav-open .main-nav {
    display: flex;
  }

  .main-nav a {
    width: 100%;
    padding: 10px 0;
  }

  .main-nav a::after {
    bottom: 6px;
  }

  .hero-actions .btn + .btn {
    margin-left: 0;
    margin-top: 10px;
  }
}

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

  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .hero-orbit {
    animation: none !important;
  }

  .intro-overlay::before {
    animation: none !important;
  }
}

.footer-copy { margin: 0; }

.card .meta { margin: 0 0 12px; }
.list .meta { margin: 0 0 10px; }
.section-header .meta { margin: 0 0 12px; }


/* ===== Article (News/Blog/Policy) polish ===== */
.article-shell{
  max-width: 920px;
  margin: 0 auto;
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(31,36,48,0.08);
  border-radius: 18px;
  box-shadow: 0 18px 46px rgba(12, 24, 38, 0.08);
  overflow: hidden;
}

.article-header{
  padding: 26px 26px 0;
}

.article-header .meta{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(0,160,176,0.10);
  color: rgba(31,36,48,0.72);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.02em;
}

.article-header h1{
  margin: 14px 0 0;
  font-size: clamp(26px, 3vw, 36px);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.article-header .lead{
  margin: 14px 0 0;
  color: rgba(31,36,48,0.78);
}

.article-body{
  padding: 18px 26px 26px;
}

.article-body p{
  margin: 0 0 14px;
}

.article-body h2{
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(31,36,48,0.08);
}

.article-footer{
  padding: 14px 26px 26px;
  border-top: 1px solid rgba(31,36,48,0.08);
  background: rgba(248, 250, 252, 0.7);
}

.number-list{
  margin: 10px 0 18px;
  padding-left: 20px;
}

.number-list li{
  margin: 8px 0;
}


/* ===== v17 Public/Enterprise friendly additions ===== */

.reason-cards{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap:16px;
  margin-top:16px;
}
@media (max-width: 900px){
  .reason-cards{ grid-template-columns: 1fr; }
}
.reason-card{
  display:block;
  padding:18px 18px 16px;
  border:1px solid var(--color-border);
  border-radius:14px;
  background:#fff;
  box-shadow: 0 6px 18px rgba(17, 24, 39, 0.06);
  text-decoration:none;
  color: var(--color-text);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.reason-card h3{
  margin:0 0 8px;
  font-size:18px;
  line-height:1.3;
  letter-spacing:0.01em;
}
.reason-card p{
  margin:0;
  color: var(--color-muted);
  font-size:15px;
  line-height:1.7;
}
.reason-card:hover{
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.09);
  border-color: rgba(24, 124, 255, 0.35);
  text-decoration:none;
}

/* Article readability (Blog/News) */
.article-shell{
  border:1px solid var(--color-border);
  background:#fff;
  border-radius:18px;
  padding:28px;
  box-shadow: 0 10px 30px rgba(17, 24, 39, 0.06);
}
@media (max-width: 720px){
  .article-shell{ padding:18px; border-radius:16px; }
}
.article-lead{
  font-size:16px;
  line-height:1.9;
  color: var(--color-text);
  margin: 8px 0 18px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  color: var(--color-muted);
  font-size: 13px;
  margin: 0 0 10px;
}
.article-divider{
  height:1px;
  background: var(--color-border);
  margin: 18px 0;
}
.article-shell h2{
  margin-top: 22px;
  padding-top: 4px;
  font-size: 22px;
  letter-spacing: 0.01em;
}
.article-shell h3{
  margin-top: 18px;
  font-size: 18px;
}
.article-shell p, .article-shell li{
  line-height: 1.95;
}
.article-summary{
  border:1px solid rgba(24,124,255,0.25);
  background: rgba(24,124,255,0.06);
  border-radius: 14px;
  padding: 14px 16px;
  margin: 18px 0 16px;
}
.article-summary h3{
  margin:0 0 8px;
  font-size:16px;
}
.article-summary ul{
  margin:0;
  padding-left: 18px;
}
.article-table{
  width:100%;
  border-collapse: collapse;
  margin: 14px 0 18px;
  font-size: 15px;
}
.article-table th, .article-table td{
  border:1px solid var(--color-border);
  padding: 10px 12px;
  vertical-align: top;
}
.article-table th{
  background: #f7f8fb;
  font-weight: 700;
}
.article-table td{
  background: #fff;
}
.kv-note{
  border-left: 4px solid rgba(24,124,255,0.55);
  padding: 10px 12px;
  background: #f7fbff;
  border-radius: 10px;
  margin: 14px 0;
  color: var(--color-text);
}

/* Form select styling */
.contact-form select{
  width:100%;
  padding: 12px 12px;
  border:1px solid var(--color-border);
  border-radius: 12px;
  background:#fff;
  font-size: 16px;
}

/* =========================================
以降マイナー変更用

251218001 Miki   Article table column width fix (35% / 65%)
========================================= */

.article-table {
  table-layout: fixed;
}

.article-table th {
  width: 35%;
  word-break: break-word;
  vertical-align: top;
}

.article-table td {
  width: 65%;
  word-break: break-word;
  vertical-align: top;
}

/* Mobile adjustment */
@media (max-width: 768px) {
  .article-table th {
    width: 40%;
  }
  .article-table td {
    width: 60%;
  }
}