/* ============================================================
   SPLYZA Motion Medical - MOCK Website Stylesheet
   Base Color: #18A3F2
   ============================================================ */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  --primary-950: #062E4F;
  --primary-900: #063B5E;
  --primary-800: #0B5A8E;
  --primary-700: #0D7BC4;
  --primary-600: #1491DB;
  --primary-500: #18A3F2;
  --primary-400: #4DB8F5;
  --primary-300: #82CDF8;
  --primary-200: #B7E2FB;
  --primary-100: #E8F4FD;
  --primary-50: #F4FAFF;

  --neutral-900: #1A1D23;
  --neutral-800: #2D3038;
  --neutral-700: #4A4E58;
  --neutral-600: #6B7080;
  --neutral-500: #8E93A0;
  --neutral-400: #B0B5BD;
  --neutral-300: #D1D4DA;
  --neutral-200: #E8EAED;
  --neutral-100: #F4F5F7;
  --neutral-50: #FAFBFC;

  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;

  --gradient-hero: linear-gradient(135deg, #0B5A8E 0%, #18A3F2 50%, #4DB8F5 100%);
  --gradient-cta: linear-gradient(135deg, #0D7BC4 0%, #18A3F2 60%, #4DB8F5 100%);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-primary: 0 4px 16px rgba(24, 163, 242, 0.3);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  --font-jp: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;

  --header-height: 72px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 1.8;
  color: var(--neutral-800);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary-500);
  text-decoration: none;
  transition: color 0.15s;
}

a:hover {
  color: var(--primary-700);
}

/* --- Container --- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 40px 40px;
}

/* --- Mock Banner --- */
.mock-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--error);
  color: #fff;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  padding: 4px;
  letter-spacing: 1px;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 28px;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--neutral-300);
  height: var(--header-height);
  transition: box-shadow 0.3s;
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  flex-shrink: 0;
}

.header-brand-text {
  display: flex;
  flex-direction: column;
}

.header-product-name {
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-500);
  line-height: 1.2;
}

.header-sub-label {
  font-size: 10px;
  color: var(--neutral-600);
  line-height: 1.4;
}

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

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--neutral-700);
  transition: color 0.15s;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-500);
  transition: width 0.2s;
}

.nav-link:hover {
  color: var(--primary-500);
}

.nav-link:hover::after {
  width: 100%;
}

.header-brand a.header-logo {
  color: inherit;
  text-decoration: none;
}

.header-brand a.header-logo:hover {
  color: inherit;
}

.nav-link-current {
  color: var(--primary-500) !important;
  font-weight: 600;
}

.nav-link-current::after {
  width: 100%;
}

.nav-cta-link {
  background: var(--primary-500);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: var(--radius-md);
  transition: background 0.2s, box-shadow 0.2s;
}

.nav-cta-link::after {
  display: none;
}

.nav-cta-link:hover {
  background: var(--primary-700);
  box-shadow: var(--shadow-primary);
  color: #fff !important;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 100px 0 40px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
}

.hero-inner {
  margin: 0 auto;
  display: grid;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-en);
  font-size: 52px;
  font-weight: 700;
  color: #fff;
  line-height: 1.12;
  margin-bottom: 16px;
  display: contents;
}

.hero-title-main {
  display: block;
}

.hero-title-sub {
  display: block;
  margin-top: 10px;
  font-family: var(--font-jp);
  font-size: 0.56em;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0;
}

.hero-subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 20px;
}

.hero-lead {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.8;
  margin-bottom: 12px;
}

.hero-subcatch {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
  margin-bottom: 10px;
}

.hero-keypoints {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.hero-keypoints span {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius-full);
  padding: 4px 10px;
}

.hero-reg {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: rgba(6, 59, 94, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  margin-bottom: 10px;
}

.hero-makers {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.6;
  margin-bottom: 24px;
}

/* Hero Content Visual（アプリ画面イメージ） */
.hero-content-visual {
  margin: 20px 0 16px;
  max-width: 420px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.hero-content-visual img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* Hero CTA */
.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--primary-500);
  font-size: 16px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform 0.2s, box-shadow 0.2s;
  border: none;
  cursor: pointer;
}

.btn-hero:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--primary-700);
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 auto;
  width: 605px;
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 13px 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-hero-secondary:hover {
  background: rgba(255, 255, 255, 0.28);
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-device {
  animation: float 3s ease-in-out infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

.hero-ipad {
  width: 280px;
  height: 380px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: 20px;
  padding: 16px;
  backdrop-filter: blur(8px);
}

.hero-ipad-screen {
  width: 100%;
  height: 100%;
  background: rgba(0, 20, 50, 0.4);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-app-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.skeleton-svg {
  width: 120px;
  opacity: 0.9;
}

.hero-screen-label {
  position: absolute;
  bottom: 12px;
  left: 0;
  right: 0;
  text-align: center;
  font-family: var(--font-en);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 1.5s infinite;
  z-index: 1;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(8px);
  }
}

/* ============================================================
   SECTIONS (Common)
   ============================================================ */
.section {}

.section-white {
  background: #fff;
}

.section-gray {
  background: var(--neutral-100);
}

.section-primary-light {
  background: var(--primary-50);
}

.section-cta {
  background: var(--gradient-cta);
}

.section-header {
  text-align: center;
  margin-bottom: 30px;
}

.section-label {
  display: block;
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-500);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 8px;
  padding-top: 30px;
}

.section-label-white {
  color: rgba(255, 255, 255, 0.7);
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--neutral-900);
  line-height: 1.3;
  margin-bottom: 16px;
  display: contents;
}

.section-title-white {
  color: #fff;
}

.section-accent {
  width: 220px;
  height: 3px;
  background: var(--primary-500);
  margin: 10px auto 0;
  border-radius: 2px;
}

.section-accent-white {
  background: rgba(255, 255, 255, 0.5);
}

.section-lead {
  font-size: 16px;
  color: var(--neutral-700);
  text-align: center;
  margin: -24px auto 48px;
  line-height: 1.9;
}

.about-trust-note {
  max-width: 920px;
  margin: -24px auto 36px;
  text-align: left;
  font-size: 14px;
  color: var(--neutral-600);
}

.star-list {
  list-style: none;
  /* 標準の黒ポチを消す */
  padding-left: 0;
}

.star-list li {
  margin-left: 15px;
}

.star-list li::before {
  content: "※";
  margin-left: -15px;
}

/* ============================================================
   SEC-02: ABOUT
   ============================================================ */
.about-composition {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.composition-item {
  text-align: center;
  background: var(--primary-50);
  border: 1px solid var(--primary-200);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
}

.composition-item h3 {
  font-size: 16px;
  font-weight: 500;
  color: var(--neutral-800);
  margin-top: 16px;
  line-height: 1.6;
}

.composition-icon {
  display: flex;
  justify-content: center;
}

.composition-plus {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-400);
}

/* Product Info Table */
.product-info-table {
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border: 1px solid var(--neutral-200);
}

.product-info-table table {
  width: 100%;
  border-collapse: collapse;
}

.product-info-table th,
.product-info-table td {
  padding: 14px 20px;
  font-size: 14px;
  text-align: left;
  border-bottom: 1px solid var(--neutral-200);
}

.product-info-table th {
  width: 170px;
  font-weight: 500;
  color: var(--neutral-600);
  background: var(--neutral-50);
}

.product-info-table td {
  color: var(--neutral-900);
}

.product-info-table tr:last-child th,
.product-info-table tr:last-child td {
  border-bottom: none;
}

/* ============================================================
   SEC-03: PURPOSE
   ============================================================ */
.purpose-quote {
  background: #fff;
  border-left: 4px solid var(--primary-500);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 32px;
  margin: 0 auto 48px;
  max-width: 880px;
}

@media screen and (min-width: 992px) {
  .purpose-quote p {
    font-size: 16px;
    color: var(--neutral-800);
    line-height: 2;
  }
}

@media screen and (max-width: 991px) {
  .purpose-quote p {
    font-size: 13px;
    color: var(--neutral-800);
    line-height: 2;
  }
}

.purpose-icons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 880px;
  margin: 0 auto;
}

.purpose-icon-card {
  text-align: center;
  padding: 16px;
}

.purpose-icon-circle {
  width: 64px;
  height: 64px;
  background: var(--primary-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}

@media screen and (min-width: 992px) {
  .purpose-icon-card p {
    font-size: 16px;
    color: var(--neutral-700);
    line-height: 1.6;
  }
}

@media screen and (max-width: 991px) {
  .purpose-icon-card p {
    font-size: 13px;
    color: var(--neutral-700);
    line-height: 1.6;
  }
}

/* ============================================================
   SEC-04: FEATURES
   ============================================================ */

@media screen and (min-width: 992px) {
  .features-grid {
    display: flex;
    gap: 20px;
    margin: 0 auto 20px;
    width: 920px;
  }
}

@media screen and (max-width: 991px) {
  .features-grid {
    display: grid;
    gap: 20px;
    margin: 0 auto 45px;
    width: auto;
  }
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-card-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-500);
}

@media screen and (min-width: 992px) {
  .feature-icon {
    margin: 30px auto;
    width: 70px;
  }
}

@media screen and (max-width: 991px) {
  .feature-icon {
    margin: 10px auto;
    width: 70px;
  }
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--neutral-900);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 13px;
  color: var(--neutral-600);
  line-height: 1.7;
}

.features-more {
  text-align: center;
  margin: 40px 0 50px;
}

.features-more .btn {
  font-weight: 600;
}

.feature-screenshots {
  margin-bottom: 40px;
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 16px;
}

.screenshot-grid img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/3;
  object-fit: cover;
}

@media (max-width: 768px) {
  .screenshot-grid {
    grid-template-columns: 1fr;
  }
}

.tech-note-card {
  max-width: 920px;
  margin: 8px auto 36px;
  background: var(--primary-50);
  border: 1px solid var(--primary-200);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.tech-note-card .subsection-title {
  margin-bottom: 12px;
}

.tech-note-card p {
  text-align: center;
  font-size: 13px;
  color: var(--neutral-700);
  line-height: 1.8;
}

/* About Intro (SPLYZA Motion Medicalとは) */
.about-intro-content {
  max-width: 850px;
  margin: 0 auto;
}

.about-intro-heading {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary-800);
  text-align: center;
  margin-bottom: 28px;
  line-height: 1.6;
}

@media screen and (min-width: 992px) {
  .about-intro-body p {
    font-size: 16px;
    color: var(--neutral-700);
    line-height: 1.9;
    margin-bottom: 20px;
  }

}

@media screen and (max-width: 991px) {
  .about-intro-body p {
    font-size: 13px;
    color: var(--neutral-700);
    line-height: 1.9;
    margin-bottom: 20px;
  }

}

.about-intro-body p:last-child {
  margin-bottom: 0;
}

/* About Intro Row（テキスト＋画像の2カラム） */
.about-intro-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  align-items: center;
  margin-bottom: 20px;
}

.about-intro-text p {
  margin-bottom: 20px;
}

.about-intro-text p:last-child {
  margin-bottom: 0;
}

.about-intro-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--neutral-200);
}

.about-intro-visual img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Content Visual（主要機能内の画像） */
.content-visual {
  max-width: 640px;
  margin: 32px auto 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--neutral-200);
}

.content-visual img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.about-intro-content .about-trust-note {
  margin: 24px auto 32px;
}

/* Params */
.subsection-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--neutral-900);
  text-align: center;
  margin-bottom: 24px;
}

.params-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 720px;
  margin: 0 auto 48px;
}

@media screen and (min-width: 992px) {
  .param-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--primary-50);
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-size: 16px;
    font-weight: 500;
    color: var(--neutral-800);
  }

  .tag {
    display: inline-block;
    background: var(--primary-100);
    color: var(--primary-700);
    font-size: 16px;
    font-weight: 500;
    padding: 6px 18px;
    border-radius: var(--radius-full);
  }
}

@media screen and (max-width: 991px) {
  .param-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--primary-50);
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--neutral-800);
  }

  .tag {
    display: inline-block;
    background: var(--primary-100);
    color: var(--primary-700);
    font-size: 13px;
    font-weight: 500;
    padding: 6px 18px;
    border-radius: var(--radius-full);
  }
}

/* Tags */
.tags-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.tags-section {
  margin-top: 8px;
}

/* ============================================================
   SEC-05: STRUCTURE（機器仕様レイアウト）
   ============================================================ */
.device-spec-block {
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  border: 1px solid var(--neutral-200);
  box-shadow: var(--shadow-sm);
}

.device-spec-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--primary-700);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.device-spec-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.device-spec-row {
  display: flex;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid var(--neutral-300);
  gap: 24px;
}

.device-spec-row:last-of-type {
  border-bottom: none;
}

@media screen and (min-width: 992px) {
  .device-spec-row dt {
    width: 140px;
    flex-shrink: 0;
    font-weight: 500;
    color: var(--neutral-700);
    font-size: 16px;
  }

  .device-spec-row dd {
    margin: 0;
    flex: 1;
    font-size: 16px;
    color: var(--neutral-900);
    line-height: 1.7;
  }
}

@media screen and (max-width: 991px) {
  .device-spec-row dt {
    width: 140px;
    flex-shrink: 0;
    font-weight: 500;
    color: var(--neutral-700);
    font-size: 13px;
  }

  .device-spec-row dd {
    margin: 0;
    flex: 1;
    font-size: 13px;
    color: var(--neutral-900);
    line-height: 1.7;
  }
}

.device-spec-note {
  font-size: 16px;
  color: var(--neutral-500);
  margin-top: 20px;
  margin-bottom: 16px;
}

.device-spec-purpose {
  font-size: 14px;
  color: var(--neutral-800);
  line-height: 1.8;
  margin: 0;
}

@media screen and (min-width: 992px) {
  .spec-delivery-note {
    max-width: 720px;
    margin: 0 auto 24px;
    padding: 16px 20px;
    background: var(--primary-100);
    border-left: 4px solid var(--primary-500);
    border-radius: var(--radius-md);
    font-size: 16px;
    color: var(--neutral-800);
    line-height: 1.8;
  }
}

@media screen and (max-width: 991px) {
  .spec-delivery-note {
    max-width: 720px;
    margin: 0 auto 24px;
    padding: 16px 20px;
    background: var(--primary-100);
    border-left: 4px solid var(--primary-500);
    border-radius: var(--radius-md);
    font-size: 13px;
    color: var(--neutral-800);
    line-height: 1.8;
  }
}

/* ============================================================
   SEC-06: COMPARISON
   ============================================================ */
.comparison-table-wrap {
  overflow-x: auto;
  margin-bottom: 16px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--neutral-200);
  min-width: 640px;
}

@media (min-width: 992px) {

  .comparison-table th,
  .comparison-table td {
    padding: 16px 20px;
    font-size: 16px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--neutral-200);
  }

  .comp-header-old {
    background: var(--neutral-200);
    font-weight: 600;
    color: var(--neutral-700);
  }

  .comp-header-new {
    background: var(--primary-100);
    font-weight: 600;
    color: var(--primary-800);
    border-top: 3px solid var(--primary-500);
    width: 420px;
  }
}

@media (max-width: 991px) {

  .comparison-table th,
  .comparison-table td {
    padding: 16px 20px;
    font-size: 13px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--neutral-200);
  }

  .comp-header-old {
    background: var(--neutral-200);
    font-weight: 600;
    color: var(--neutral-700);
  }

  .comp-header-new {
    background: var(--primary-100);
    font-weight: 600;
    color: var(--primary-800);
    border-top: 3px solid var(--primary-500);
  }
}

.comp-old {
  color: var(--neutral-700);
  background: #fff;
}

.comp-new {
  color: var(--neutral-900);
  font-weight: normal;
  background: #fff;
}

.comp-points {
  margin: 0;
  padding-left: 1.1em;
}

.comp-points li {
  margin: 2px 0;
  line-height: 1.6;
}

.table-note {
  font-size: 12px;
  color: var(--neutral-600);
  text-align: center;
}

/* ============================================================
   SEC-07: VALUE
   ============================================================ */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1040px;
  margin: 0 auto 24px;
}

.value-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 32px;
  border: 1px solid var(--neutral-200);
}

.value-icon-wrap {
  width: 56px;
  height: 56px;
  background: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.value-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--neutral-900);
  margin-bottom: 8px;
  text-align: center;
}

@media screen and (min-width: 992px) {
  .value-card p {
    font-size: 16px;
    color: var(--neutral-700);
    line-height: 1.8;
  }
}

@media screen and (max-width: 991px) {
  .value-card p {
    font-size: 13px;
    color: var(--neutral-700);
    line-height: 1.8;
  }

  .annotation-text p {
    font-size: 13px;
    padding: 0 10px;
  }
}

.benefit-note {
  max-width: 1040px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: 20px 30px;
}

.value-grid+.benefit-note {
  margin-top: 32px;
}

.benefit-note h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 10px;
}

.benefit-note p {
  font-size: 14px;
  color: var(--neutral-700);
  line-height: 1.8;
  margin-bottom: 4px;
}

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

.benefit-list {
  margin: 0;
  padding-left: 2.0em;
}

@media screen and (min-width: 992px) {
  .benefit-list li {
    font-size: 16px;
    color: var(--neutral-700);
    line-height: 1.8;
    margin-bottom: 4px;
  }
}

@media screen and (max-width: 991px) {
  .benefit-list li {
    font-size: 13px;
    color: var(--neutral-700);
    line-height: 1.8;
    margin-bottom: 4px;
  }
}

.benefit-list li:last-child {
  margin-bottom: 0;
}

/* ============================================================
   SEC-08: WORKFLOW (4-Step Illustrated)
   ============================================================ */
.wf-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  margin-bottom: 40px;
}

.wf-step {
  flex: 1;
  max-width: 240px;
  text-align: center;
  padding: 0 8px;
}

.wf-illust {
  width: 130px;
  height: 150px;
  margin: 0 auto 16px;
  transition: transform 0.3s ease;
}

.wf-step:hover .wf-illust {
  transform: scale(1.05);
}

.wf-illust svg {
  width: 100%;
  height: 100%;
}

.wf-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--primary-500);
  color: #fff;
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 10px;
}

@media screen and (min-width: 992px) {
  .wf-step h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: 6px;
  }

  .wf-step p {
    font-size: 16px;
    color: var(--neutral-600);
    line-height: 1.7;
  }
}

@media screen and (max-width: 991px) {
  .wf-step h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: 6px;
  }

  .wf-step p {
    font-size: 13px;
    color: var(--neutral-600);
    line-height: 1.7;
  }
}

.wf-arrow {
  display: flex;
  align-items: center;
  padding-top: 72px;
  flex-shrink: 0;
}

.workflow-note {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  font-size: 14px;
  color: var(--neutral-600);
  background: #FEF3C7;
  border: 1px solid #FDE68A;
  border-radius: var(--radius-md);
  padding: 12px 20px;
  max-width: 640px;
  margin: 0 auto;
}

/* ============================================================
   SEC-08b: TUG SHOOTING SETUP
   ============================================================ */

.tug-common-text {
  padding: 0 25px 25px;
}

.tug-common-text h3 {
  margin-bottom: 25px;
}

.tug-common-text ul {
  margin: 0 0 25px 30px;
}

.tug-common-text p {
  font-size: 90%;
}

.tug-common-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #fff;
  border: 2px solid var(--primary-300);
  border-radius: var(--radius-lg);
  padding: 16px 24px;
  max-width: 480px;
  margin: 0 auto 40px;
  font-size: 17px;
  color: var(--neutral-800);
  line-height: 1.0em !important;
}

.tug-note-icon {
  flex-shrink: 0;
}

.tug-grid {
  display: block;
  margin-bottom: 48px;
}

.tug-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid var(--neutral-200);
}

.tug-card-header {
  padding: 20px 24px;
  text-align: center;
}

.tug-card-header h3 {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}

.tug-card-sub {
  font-family: var(--font-en);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 1px;
}

.tug-card-header-frontal {
  background: linear-gradient(135deg, var(--primary-700), var(--primary-500));
}

.tug-card-header-sagittal {
  background: linear-gradient(135deg, #0B5A8E, var(--primary-600));
}

.tug-card-body {
  padding: 28px 24px;
}

/* TUG Diagram */
.tug-diagram {
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-md);
  padding: 32px 20px;
  margin-bottom: 24px;
  min-height: 200px;
}

.tug-scene-frontal,
.tug-scene-sagittal {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.tug-scene-sagittal {
  flex-direction: column;
  gap: 16px;
}

.tug-element {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.tug-el-label {
  font-size: 12px;
  color: var(--neutral-600);
  font-weight: 500;
}

/* Distance Line */
.tug-distance-line {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
  min-width: 100px;
}

.tug-distance-bar {
  width: 100%;
  height: 3px;
  background: var(--error);
  position: relative;
  border-radius: 2px;
}

.tug-distance-bar::before,
.tug-distance-bar::after {
  content: '';
  position: absolute;
  top: -4px;
  width: 3px;
  height: 11px;
  background: var(--error);
  border-radius: 1px;
}

.tug-distance-bar::before {
  left: 0;
}

.tug-distance-bar::after {
  right: 0;
}

.tug-distance-vertical .tug-distance-bar {
  width: 3px;
  height: 80px;
}

.tug-distance-vertical .tug-distance-bar::before,
.tug-distance-vertical .tug-distance-bar::after {
  top: auto;
  left: -4px;
  width: 11px;
  height: 3px;
}

.tug-distance-vertical .tug-distance-bar::before {
  top: 0;
}

.tug-distance-vertical .tug-distance-bar::after {
  bottom: 0;
  top: auto;
}

.tug-distance-value {
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 700;
  color: var(--error);
  line-height: 1;
}

.tug-distance-desc {
  font-size: 11px;
  color: var(--neutral-600);
  text-align: center;
  line-height: 1.5;
}

/* iPad icon labels */
.tug-ipad-icon {
  margin-bottom: 4px;
}

.tug-ipad-orient {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-700);
}

.tug-ipad-lens {
  font-size: 11px;
  color: var(--neutral-500);
}

/* Route marker */
.tug-route-marker {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Specs list */
.tug-specs {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.tug-specs,
.tug-specs * {
  text-transform: none !important;
}

@media screen and (min-width: 992px) {
  .tug-specs li {
    font-size: 16px;
    color: var(--neutral-700);
    line-height: 1.5;
    padding: 8px 12px;
    background: var(--primary-50);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary-300);
  }

  .tug-specs li strong {
    color: var(--neutral-900);
    display: block;
    font-size: 16px;
    text-transform: none !important;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
  }
}

@media screen and (max-width: 991px) {
  .tug-specs li {
    font-size: 13px;
    color: var(--neutral-700);
    line-height: 1.5;
    padding: 8px 12px;
    background: var(--primary-50);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary-300);
  }

  .tug-specs li strong {
    color: var(--neutral-900);
    display: block;
    font-size: 13px;
    text-transform: none !important;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
  }
}

/* TUG note */
.tug-reference-note {
  max-width: 920px;
  margin: 16px auto 0;
  text-align: center;
  font-size: 16px;
  color: var(--neutral-600);
}

/* ============================================================
   SEC-09: SPEC
   ============================================================ */
.spec-card {
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--neutral-200);
  overflow: hidden;
}

.spec-card-row {
  display: flex;
  padding: 16px 24px;
  border-bottom: 1px solid var(--neutral-200);
}

.spec-card-row:last-child {
  border-bottom: none;
}

.spec-card-label {
  width: 180px;
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--neutral-600);
}

.spec-card-value {
  font-size: 14px;
  color: var(--neutral-900);
}

/* ============================================================
   SEC-10: FAQ
   ============================================================ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--neutral-200);
}

.faq-item:first-child {
  border-top: 1px solid var(--neutral-200);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--neutral-900);
  text-align: left;
  font-family: var(--font-jp);
  gap: 16px;
}

.faq-icon {
  flex-shrink: 0;
  color: var(--primary-500);
  transition: transform 0.3s;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  opacity: 0;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  opacity: 1;
}

@media screen and (min-width: 992px) {
  .faq-answer p {
    padding: 0 0 20px;
    font-size: 16px;
    color: var(--neutral-700);
    line-height: 1.8;
  }
}

@media screen and (max-width: 991px) {
  .faq-answer p {
    padding: 0 0 20px;
    font-size: 13px;
    color: var(--neutral-700);
    line-height: 1.8;
  }
}

/* ============================================================
   SEC-11: FLOW
   ============================================================ */
.flow-cards {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  max-width: 1040px;
  margin: 0 auto;
}

.flow-card {
  flex: 1;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--neutral-200);
}

@media (min-width: 992px) {
  .flow-card {
    height: 320px;
  }
}

.flow-number {
  width: 45px;
  height: 45px;
  background: var(--primary-500);
  color: #fff;
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

@media screen and (min-width: 992px) {
  .flow-card h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--neutral-900);
    margin-bottom: 8px;
  }

  .flow-card p {
    font-size: 16px;
    color: var(--neutral-700);
    line-height: 1.7;
    text-align: left;
  }
}

@media screen and (max-width: 991px) {
  .flow-card h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--neutral-900);
    margin-bottom: 8px;
  }

  .flow-card p {
    font-size: 13px;
    color: var(--neutral-700);
    line-height: 1.7;
    text-align: left;
  }
}

.flow-connector {
  flex-shrink: 0;
}

.flow-guide-link {
  text-align: center;
  margin-top: 14px;
}

.flow-guide-link a {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-700);
  background: #fff;
  border: 1px solid var(--primary-300);
  border-radius: var(--radius-full);
  padding: 8px 16px;
}

.flow-guide-link a:hover {
  background: var(--primary-50);
}

/* ============================================================
   SEC-12b: SECURITY GUIDE
   ============================================================ */
.security-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 920px;
  margin: 0 auto;
}

.security-card {
  background: #fff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}

.security-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 12px;
}

.security-card ul {
  margin: 0;
  padding-left: 1.2em;
}

.security-card li {
  font-size: 14px;
  color: var(--neutral-700);
  line-height: 1.8;
  margin-bottom: 6px;
}

.security-card li:last-child {
  margin-bottom: 0;
}

/* ============================================================
   SEC-12: PRICING
   ============================================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto 24px;
}

.pricing-card {
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
}

.pricing-card-initial {
  background: var(--neutral-100);
  border: 1px solid var(--neutral-300);
}

.pricing-card-subscription {
  background: var(--primary-50);
  border: 1px solid var(--primary-300);
  border-top: 3px solid var(--primary-500);
}

.pricing-card-header {
  font-size: 14px;
  font-weight: 600;
  color: var(--neutral-600);
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.pricing-amount {
  font-family: var(--font-en);
  font-size: 40px;
  font-weight: 700;
  color: var(--primary-700);
  line-height: 1.2;
}

.pricing-unit {
  font-size: 16px;
  font-weight: 500;
}

.pricing-tax {
  font-size: 13px;
  color: var(--neutral-600);
  margin-bottom: 8px;
}

.pricing-monthly {
  display: inline-block;
  background: var(--primary-100);
  color: var(--primary-700);
  font-size: 14px;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.pricing-details {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
}

.pricing-details li {
  font-size: 13px;
  color: var(--neutral-600);
  padding: 4px 0;
  line-height: 1.6;
}

.pricing-details li::before {
  content: '✓';
  color: var(--success);
  margin-right: 8px;
  font-weight: 700;
}

.pricing-note {
  font-size: 12px;
  color: var(--neutral-600);
  text-align: center;
}

/* ============================================================
   SEC-13: CONTACT
   ============================================================ */
.contact-form {
  max-width: 600px;
  margin: 0 auto 24px;
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--neutral-700);
  margin-bottom: 6px;
}

.required {
  color: var(--error);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-family: var(--font-jp);
  color: var(--neutral-900);
  transition: border-color 0.15s, box-shadow 0.15s;
  background: #fff;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(24, 163, 242, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--neutral-400);
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}

.form-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary-500);
}

.form-check label {
  font-size: 13px;
  color: var(--neutral-700);
  cursor: pointer;
}

.btn-submit {
  display: block;
  width: 100%;
  padding: 14px;
  background: var(--primary-500);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
  font-family: var(--font-jp);
}

.btn-submit:hover {
  background: var(--primary-700);
  box-shadow: var(--shadow-primary);
}

.contact-email {
  text-align: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
}

.contact-email a {
  color: #fff;
  text-decoration: underline;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--primary-950);
  padding: 45px 0 0;
  color: rgba(255, 255, 255, 0.9);
}

@media screen and (min-width: 992px) {
  .footer-legal {
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    padding: 24px;
    background: rgba(255, 255, 255, 0.03);
  }

  .footer-legal-table th,
  .footer-legal-table td {
    padding: 8px 12px;
    font-size: 16px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
}

@media screen and (max-width: 991px) {
  .footer-legal {
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 40px;
    background: rgba(255, 255, 255, 0.03);
  }

  .footer-legal-table th,
  .footer-legal-table td {
    padding: 8px 12px;
    font-size: 13px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
}

.footer-legal h4 {
  font-size: 16px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.footer-legal-table {
  width: 100%;
  border-collapse: collapse;
}

.footer-legal-table th {
  width: 190px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
}

.footer-legal-table td {
  color: rgba(255, 255, 255, 0.96);
}

.footer-legal-table tr:last-child th,
.footer-legal-table tr:last-child td {
  border-bottom: none;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
}

.footer-copy {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

/* ============================================================
   FLOATING CTA (SP only)
   ============================================================ */
.floating-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.1);
  padding: 10px 16px;
  transform: translateY(100%);
  transition: transform 0.3s;
}

.floating-cta.visible {
  transform: translateY(0);
}

.btn-floating {
  display: block;
  width: 100%;
  padding: 14px;
  background: var(--primary-500);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-md);
  transition: background 0.2s;
}

.btn-floating:hover {
  background: var(--primary-700);
  color: #fff;
}

/* ============================================================
   ANIMATIONS (Scroll)
   ============================================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-device {
    animation: none;
  }

  .scroll-indicator {
    animation: none;
  }
}

/* ============================================================
   RESPONSIVE — Tablet (≤1279px)
   ============================================================ */
@media (max-width: 1279px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-inner {
    gap: 32px;
  }

  .hero-title {
    font-size: 44px;
  }
}

/* ============================================================
   RESPONSIVE — Mobile (≤767px)
   ============================================================ */
@media (max-width: 767px) {
  :root {
    --header-height: 60px;
  }

  .container {
    padding: 0 20px;
  }

  .section {
    padding: 0 0 50px;
  }

  .mock-banner {
    font-size: 10px;
    padding: 3px;
  }

  .header {
    top: 23px;
    height: var(--header-height);
  }

  .header-inner {
    padding: 0 16px;
  }

  .header-sub-label {
    display: none;
  }

  .header-product-name {
    font-size: 14px;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding: 140px 0 60px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-title {
    font-size: 34px;
    line-height: 1.18;
  }

  .hero-title-sub {
    font-size: 0.5em;
    margin-top: 8px;
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-subcatch {
    font-size: 13px;
  }

  .hero-reg {
    font-size: 11px;
  }

  .hero-makers {
    font-size: 11px;
  }

  .hero-badge {
    font-size: 11px;
  }

  .hero-ipad {
    width: 200px;
    height: 272px;
  }

  .hero-keypoints {
    justify-content: center;
  }

  .hero-content-visual {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .btn-hero,
  .btn-hero-secondary {
    width: 100%;
  }

  .scroll-indicator {
    display: none;
  }

  .sp-hide {
    display: none;
  }

  /* Section */
  .section-title {
    font-size: 20px;
  }

  .section-lead {
    font-size: 13px;
    margin-bottom: 32px;
    margin-top: 10px;
  }

  /* About */
  .about-intro-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .about-intro-visual {
    order: -1;
  }

  .about-composition {
    flex-direction: column;
    gap: 16px;
  }

  .composition-plus {
    transform: rotate(90deg);
    font-size: 24px;
  }

  .composition-item {
    padding: 24px;
  }

  .product-info-table th {
    width: 120px;
  }

  /* Purpose */
  .purpose-quote {
    padding: 20px;
  }

  .purpose-icons {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* Features */
  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .params-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Structure */
  .device-spec-block {
    padding: 24px 20px;
  }

  .device-spec-row {
    flex-direction: column;
    gap: 4px;
  }

  .device-spec-row dt {
    width: 100%;
  }

  /* Workflow */
  .wf-steps {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  .wf-step {
    max-width: 300px;
  }

  .wf-illust {
    width: 150px;
    height: auto;
  }

  .wf-arrow {
    padding-top: 0;
    transform: rotate(90deg);
  }

  /* TUG */
  .tug-grid {
    grid-template-columns: 1fr;
  }

  .tug-specs {
    grid-template-columns: 1fr;
  }

  .tug-common-note {
    font-size: 13px;
    padding: 12px 16px;
  }

  .tug-distance-value {
    font-size: 24px;
  }

  /* Comparison */
  .comparison-table {
    min-width: 100%;
  }

  /* Value */
  .value-grid {
    grid-template-columns: 1fr;
  }

  /* Flow */
  .flow-cards {
    flex-direction: column;
  }

  .flow-connector {
    transform: rotate(90deg);
  }

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

  /* Pricing */
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-amount {
    font-size: 32px;
  }

  /* Contact */
  .contact-form {
    padding: 24px;
  }

  /* Footer */
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .footer-legal-table th {
    width: 120px;
  }

  /* Floating CTA */
  .floating-cta {
    display: block;
  }

  .params-section {
    margin-bottom: 32px;
  }
}

/* ============================================================
   SUBPAGE: 共同研究
   ============================================================ */
.subpage-main {
  padding-top: calc(var(--header-height) + 20px);
}

@media screen and (min-width: 992px) {
  .breadcrumb {
    font-size: 16px;
    color: var(--neutral-600);
  }
}

@media screen and (max-width: 991px) {
  .breadcrumb {
    font-size: 13px;
    color: var(--neutral-600);
  }
}

.breadcrumb a {
  color: var(--primary-500);
}

.breadcrumb a:hover {
  color: var(--primary-700);
}

.breadcrumb-sep {
  margin: 0 6px;
  color: var(--neutral-400);
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.research-card {
  background: #fff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.research-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--neutral-900);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-200);
}

@media screen and (min-width: 992px) {
  .research-list {
    margin: 0;
    padding-left: 1.2em;
    font-size: 16px;
    color: var(--neutral-700);
    line-height: 1.9;
  }
}

@media screen and (max-width: 991px) {
  .research-list {
    margin: 0;
    padding-left: 1.2em;
    font-size: 13px;
    color: var(--neutral-700);
    line-height: 1.9;
  }
}

.research-list li {
  margin-bottom: 16px;
}

.research-list li:last-child {
  margin-bottom: 0;
}

.research-card p {
  font-size: 16px;
  color: var(--neutral-700);
  line-height: 1.8;
  margin: 0;
}

@media (max-width: 768px) {
  .research-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   SUBPAGE: 主要機能詳細（制作指示書準拠）
   ============================================================ */
.feat-section {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--neutral-200);
}

.feat-section:first-of-type {
  margin-top: 32px;
  padding-top: 0;
  border-top: none;
}

.feat-section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-800);
  margin-bottom: 20px;
  text-align: center;
}

.feat-section-lead {
  font-size: 14px;
  color: var(--neutral-700);
  line-height: 1.8;
  text-align: left;
  max-width: 980px;
  margin: 0 auto 32px;
}

/* Section A: イントロ */
.feat-intro {
  text-align: center;
}

.feat-intro-visual {
  margin-bottom: 16px;
}

.feat-intro-visual img {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  display: block;
}

.feat-image-note {
  font-size: 12px;
  color: var(--neutral-500);
  margin-top: 12px;
  margin-bottom: 0;
}

.feat-intro-text {
  font-size: 18px;
  font-weight: 500;
  color: var(--neutral-800);
  line-height: 1.8;
  max-width: 640px;
  margin: 0 auto;
}

/* Section B: パラメータグリッド */
.feat-params-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.feat-param-card {
  background: var(--primary-50);
  border: 1px solid var(--primary-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
}

.feat-param-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

.feat-param-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--neutral-900);
  margin-bottom: 8px;
}

.feat-param-card p {
  font-size: 13px;
  color: var(--neutral-600);
  line-height: 1.6;
  margin: 0;
}

@media screen and (min-width: 992px) {
  .feat-workflow-cards {
    display: block;
    margin-bottom: 40px;
    padding: 0 60px;
  }

  .feat-workflow-card ul {
    margin-left: 40px;
  }
}

@media screen and (max-width: 991px) {
  .feat-workflow-cards {
    display: block;
    margin-bottom: 40px;
    padding: 0;
  }

  .feat-workflow-card ul {
    margin-left: 10px;
    font-size: 13px;
  }
}

.feat-workflow-card {
  background: #fff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.feat-workflow-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-100);
  border-radius: 10px;
  color: var(--primary-600);
  font-weight: 700;
  font-size: 18px;
}

.feat-workflow-zero {
  font-family: var(--font-en);
}

@media screen and (min-width: 992px) {
  .feat-workflow-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--neutral-900);
    margin-bottom: 30px;
    text-align: center;
  }

  .feat-workflow-card p {
    font-size: 16px;
    color: var(--neutral-700);
    line-height: 1.7;
    margin: 0;
  }
}

@media screen and (max-width: 991px) {
  .feat-workflow-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--neutral-900);
    margin-bottom: 30px;
    text-align: center;
  }

  .feat-workflow-card p {
    font-size: 13px;
    color: var(--neutral-700);
    line-height: 1.7;
    margin: 0;
  }
}

.feat-workflow-compare {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  padding: 32px;
  background: var(--neutral-100);
  border-radius: var(--radius-lg);
}

.feat-compare-col {
  flex: 1;
  min-width: 200px;
  text-align: center;
}

.feat-compare-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--neutral-600);
  margin-bottom: 12px;
}

.feat-compare-splyza .feat-compare-label {
  color: var(--primary-600);
}

.feat-compare-steps {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: var(--neutral-700);
}

.feat-compare-steps span:nth-child(odd) {
  background: #fff;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--neutral-200);
}

.feat-compare-vs {
  font-size: 14px;
  font-weight: 700;
  color: var(--neutral-400);
}

/* Section D: 時系列比較 */
.feat-timeline-visual {
  margin-top: 24px;
}

.feat-timeline-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.feat-timeline-panel {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--neutral-100);
}

.feat-timeline-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-600);
  padding: 12px 16px;
  background: var(--primary-50);
  border-bottom: 1px solid var(--primary-200);
}

.feat-timeline-panel img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* CTA */
.feat-cta {
  margin-top: 30px;
  padding: 40px;
  background: var(--primary-50);
  border: 1px solid var(--primary-200);
  text-align: center;
}

@media screen and (min-width: 992px) {
  .feat-cta-quote {
    font-size: 16px;
    font-weight: 0;
    color: var(--neutral-800);
    margin: 0 0 24px;
    line-height: 1.6;
    font-style: normal;
  }
}

@media screen and (max-width: 991px) {
  .feat-cta-quote {
    font-size: 13px;
    font-weight: 0;
    color: var(--neutral-800);
    margin: 0 0 24px;
    line-height: 1.6;
    font-style: normal;
  }
}

.feat-cta-list {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  text-align: left;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 28px;
}

.feat-cta-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  font-size: 15px;
  color: var(--neutral-700);
  line-height: 1.6;
}

.feat-cta-list li::before {
  content: "・";
  position: absolute;
  left: 0;
  color: var(--primary-500);
  font-weight: 700;
}

.btn-feat-cta {
  display: inline-block;
  padding: 14px 32px;
  background: var(--gradient-cta);
  color: #fff !important;
  font-weight: 600;
  font-size: 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-primary);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-feat-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(24, 163, 242, 0.4);
  color: #fff !important;
}

@media (max-width: 768px) {
  .feat-params-grid {
    grid-template-columns: 1fr 1fr;
  }

  .feat-workflow-cards {
    grid-template-columns: 1fr;
  }

  .feat-workflow-compare {
    flex-direction: column;
    padding: 24px;
  }

  .feat-compare-col {
    min-width: 100%;
  }

  .feat-timeline-split {
    grid-template-columns: 1fr;
  }

  .feat-cta {
    padding: 24px;
  }
}

/* 旧 feature-detail（後方互換・他ページで使用時用） */
.feature-detail {
  margin-top: 60px;
  padding-top: 48px;
  border-top: 1px solid var(--neutral-200);
}

.feature-detail:first-of-type {
  margin-top: 40px;
  padding-top: 0;
  border-top: none;
}

.feature-detail-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.feature-detail-alt .feature-detail-inner {
  direction: rtl;
}

.feature-detail-alt .feature-detail-inner>* {
  direction: ltr;
}

.feature-detail-visual {
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  background: var(--neutral-100);
}

.feature-detail-visual img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.feature-detail-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-800);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--primary-400);
}

.feature-detail-desc {
  font-size: 16px;
  color: var(--neutral-700);
  line-height: 1.8;
  margin-bottom: 20px;
}

.feature-detail-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-detail-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  font-size: 15px;
  color: var(--neutral-700);
  line-height: 1.7;
}

.feature-detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  background: var(--primary-500);
  border-radius: 50%;
}

.feature-detail-cta {
  text-align: center;
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--neutral-200);
}

.feature-detail-cta .btn-primary {
  display: inline-block;
  padding: 14px 32px;
  background: var(--gradient-cta);
  color: #fff;
  font-weight: 600;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-primary);
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-detail-cta .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(24, 163, 242, 0.4);
}

@media (max-width: 768px) {

  .feature-detail-inner,
  .feature-detail-alt .feature-detail-inner {
    grid-template-columns: 1fr;
    gap: 24px;
    direction: ltr;
  }

  .feature-detail-inner>* {
    order: 0;
  }

  .feature-detail-visual {
    order: 0;
  }

  .feature-detail-content {
    order: 1;
  }

  .feature-detail-title {
    font-size: 20px;
  }

  .feature-detail-cta {
    margin-top: 48px;
    padding-top: 32px;
  }
}

/* ============================================================
   EVIDENCE DIGEST（トップページ）
   ============================================================ */
.evidence-digest-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1040px;
  margin: 0 auto 24px;
}

.evidence-digest-card {
  background: #fff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.evidence-digest-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--neutral-900);
  margin-bottom: 10px;
}

.evidence-digest-card p {
  font-size: 14px;
  color: var(--neutral-700);
  line-height: 1.7;
  margin: 0;
}

.evidence-digest-link {
  text-align: center;
  margin: 30px 0 0;
}

.btn-outline {
  display: inline-block;
  padding: 10px 24px;
  border: 2px solid var(--primary-500);
  border-radius: var(--radius-md);
  color: var(--primary-500);
  font-weight: 600;
  font-size: 16px;
  transition: background 0.2s, color 0.2s;
}

.btn-outline:hover {
  background: var(--primary-500);
  color: #fff;
}

@media (max-width: 768px) {
  .evidence-digest-grid {
    grid-template-columns: 1fr;
  }
}

.external-link {
  display: inline-flex;
  align-items: center;
  color: #007bff;
  /* リンクの色 */
  text-decoration: none;
  gap: 4px;
  /* テキストとアイコンの間隔 */
}

.external-link:hover {
  text-decoration: underline;
}

/* 擬似要素でアイコンを表示 */
.external-link::after {
  content: "";
  display: inline-block;
  width: 1em;
  /* テキストサイズに合わせる */
  height: 1em;
  background-color: currentColor;
  /* テキストと同じ色にする */

  /* アイコンの形状（SVGをマスクとして使用） */
  -webkit-mask-image: url('data:image/svg+xml;charset=utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6"></path><polyline points="15 3 21 3 21 9"></polyline><line x1="10" y1="14" x2="21" y2="3"></line></svg>');
  mask-image: url('data:image/svg+xml;charset=utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6"></path><polyline points="15 3 21 3 21 9"></polyline><line x1="10" y1="14" x2="21" y2="3"></line></svg>');

  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: contain;
  mask-size: contain;
}

/* ベースコンテナ設定（iPadの画面比率 4:3 または 16:11 を意識） */
.slider-container {
  max-width: 700px;
  margin: 40px auto;
  position: relative;
  font-family: sans-serif;
}

/* ラジオボタン自体は非表示にする */
input[name="slider"] {
  display: none;
}

/* スライド表示窓（はみ出た部分は隠す） */
.slides-wrapper {
  width: 100%;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  background: #000;
}

/* スライドを横一列に並べるトリガー */
.slides-inner {
  display: flex;
  width: 300%;
  /* スライド3枚分 */
  transition: transform 0.5s ease-in-out;
}

/* 各スライドアイテム */
.slide-item {
  width: 33.333%;
  /* 100% / 3枚 */
  box-sizing: border-box;
}

.slide-item img {
  width: 100%;
  height: auto;
  display: block;
}

/* --- ラジオボタンのチェック状態に応じたメイン画像の移動 --- */
#slide1:checked~.slides-wrapper .slides-inner {
  transform: translateX(0);
}

#slide2:checked~.slides-wrapper .slides-inner {
  transform: translateX(-33.333%);
}

#slide3:checked~.slides-wrapper .slides-inner {
  transform: translateX(-66.666%);
}

/* --- 矢印ナビゲーションの制御 --- */
.arrow-nav {
  display: none;
  /* 初期状態はすべて非表示 */
  position: absolute;
  top: 40%;
  width: 100%;
  justify-content: space-between;
  pointer-events: none;
  /* ナビ領域自体はクリックを透過 */
  z-index: 10;
}

/* 選択されているスライドに対応する矢印だけを表示 */
#slide1:checked~.nav1,
#slide2:checked~.nav2,
#slide3:checked~.nav3 {
  display: flex;
}

.arrow {
  background: rgba(255, 255, 255, 0.8);
  color: #333;
  font-size: 1.5rem;
  padding: 12px 18px;
  cursor: pointer;
  pointer-events: auto;
  /* 矢印ボタン本体はクリック可能に */
  transition: background 0.2s;
  user-select: none;
}

.arrow:hover {
  background: rgba(255, 255, 255, 1);
}

.arrow.prev {
  border-radius: 0 8px 8px 0;
  margin-left: 0;
}

.arrow.next {
  border-radius: 8px 0 0 8px;
  margin-right: 0;
}

/* --- 下部サムネイルエリア --- */
.thumbnail-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 15px;
}

.thumb-item {
  width: 70px;
  height: auto;
  cursor: pointer;
  border-radius: 4px;
  overflow: hidden;
  border: 2px solid transparent;
  transition: all 0.2s;
  opacity: 0.5;
}

.thumb-item img {
  width: 100%;
  height: auto;
  display: block;
}

/* 現在選択されているスライドのサムネイルを強調（不透明化＋枠線） */
#slide1:checked~.thumbnail-nav .thumb1,
#slide2:checked~.thumbnail-nav .thumb2,
#slide3:checked~.thumbnail-nav .thumb3 {
  opacity: 1;
  border-color: #004ecc;
  /* 製品のメインブルー等に合わせる */
}

/* --- レスポンシブ対応 --- */
@media (max-width: 768px) {

  /* スマホ・タブレットでは矢印を少し小さくし、少し内側に入れるか調整 */
  .arrow {
    padding: 8px 12px;
    font-size: 1.2rem;
  }

  .thumb-item {
    width: 50px;
    /* サムネイルをスマホ用に縮小 */
  }
}