/**
 * =====================================================
 * クアルコム LP スタイルシート（style.css）
 * =====================================================
 * デザインPDFに合わせたレスポンシブスタイルです。
 * 色や余白を変えたいときは、下部の :root 変数を編集してください。
 */

/* ----------------------------------------
   1. 変数・リセット
---------------------------------------- */
:root {
  --color-cta-text: #9b0000;
  --color-cta-border: #93001d;
  --color-red: #e71324;
  --color-red-dark: #93001d;
  --color-navy: #14287b;
  --color-blue: #2b6cb0;
  --color-blue-light: #e8f0fa;
  --color-blue-pale: #f0f5fb;
  --color-orange: #fc7031;
  --color-peach: #ffe4c7;
  --color-text: #222222;
  --color-text-sub: #555555;
  --color-border: #333333;
  --color-gray: #f5f5f5;
  --color-footer: #2a2a2a;
  --shadow-blue: 0 8px 28px rgba(40, 90, 180, 0.18);
  --shadow-soft: 0 4px 16px rgba(0, 0, 0, 0.08);
  --radius: 8px;
  --radius-pill: 999px;
  --header-height: 72px;
  --container: 1080px;
  --font: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
}

*,
*::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);
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
  list-style: none;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

sup {
  font-size: 0.6em;
}

/* ----------------------------------------
   2. 共通ユーティリティ
---------------------------------------- */
.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}

.text-red {
  color: var(--color-red);
}

.sp-none {
  display: inline;
}

.pc-none {
  display: none;
}

.section {
  position: relative;
  padding: 52px 0;
}

.section-title {
  position: relative;
  z-index: 1;
  text-align: center;
  font-size: clamp(1.45rem, 2.5vw, 1.95rem);
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 14px;
}

.section-lead {
  position: relative;
  z-index: 1;
  text-align: center;
  font-size: clamp(1.05rem, 1.7vw, 1.2rem);
  line-height: 1.8;
  margin-bottom: 28px;
}

.section-desc {
  text-align: center;
  color: var(--color-text-sub);
  margin-bottom: 28px;
}

.section-desc.accent-center {
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 22px;
}

.section-bg-text {
  position: absolute;
  top: 24px;
  left: 0;
  right: 0;
  width: 100%;
  text-align: center;
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  color: #d3d6f7;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  z-index: 0;
}

.sub-heading {
  text-align: center;
  font-size: 1.15rem;
  font-weight: 700;
  margin: 32px 0 10px;
  padding-bottom: 8px;
}

.sub-heading::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: #222;
  margin: 10px auto 0;
}

.sub-heading--left {
  display: inline-block;
  text-align: left;
  font-size: 1.55rem;
  width: fit-content;
  max-width: 100%;
  padding-bottom: 2px;
}

.sub-heading--left::after {
  width: 92%;
  height: 1px;
  margin-top: 4px;
  margin-left: 4%;
  margin-right: auto;
}

.sub-heading.sub-heading--battery-life {
  font-size: 1.75rem;
}

.sub-heading--section-start {
  margin-top: 52px;
}

.section-desc.section-desc--battery-life {
  font-size: 1.35rem;
  font-weight: 400;
  color: #222;
}

.note {
  font-size: 0.75rem;
  color: #777;
  margin-top: 12px;
  line-height: 1.6;
}

.note--battery,
.note--lineup {
  width: 100%;
  max-width: 1120px;
  margin: 12px auto 0;
  color: #222;
  font-size: 0.95rem;
  line-height: 1.6;
}

.note-footnote-inner {
  display: grid;
  grid-template-columns: 1.75em minmax(0, 1fr);
  column-gap: 0.4em;
  align-items: baseline;
  width: min(100%, 52rem);
  margin-left: auto;
}

.note-footnote-mark {
  justify-self: end;
  align-self: baseline;
  line-height: 1.6;
}

.note-footnote-text {
  align-self: baseline;
  line-height: 1.6;
  text-align: left;
}

.note--lineup .note-footnote-inner {
  white-space: nowrap;
}

.note--lineup .note-footnote-text {
  white-space: nowrap;
}

.num-accent {
  font-size: 1.7em;
  font-weight: 900;
}

.btn-wrap {
  text-align: center;
  margin-top: 28px;
}

/* ----------------------------------------
   3. ボタン
---------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 260px;
  padding: 14px 36px;
  border-radius: var(--radius-pill);
  border: 2px solid var(--color-cta-border);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.15s;
  background: #fff;
  color: var(--color-cta-text);
  text-align: center;
}

a.btn {
  text-decoration: none;
}

button.btn {
  color: var(--color-cta-text);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.btn-primary,
.btn-outline,
.btn-outline--red,
.btn-header,
.btn-submit {
  border-color: var(--color-cta-border);
  color: var(--color-cta-text);
  background: #fff;
}

.btn-primary:hover,
.btn-outline:hover,
.btn-outline--red:hover,
.btn-header:hover,
.btn-submit:hover {
  background: var(--color-cta-text);
  border-color: var(--color-cta-text);
  color: #fff;
}

.btn-header {
  min-width: auto;
  padding: 8px 22px;
  border-width: 1.5px;
  font-size: 0.9rem;
}

/* ----------------------------------------
   4. ヘッダー
---------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;
  border-bottom: 1px solid #eee;
  height: var(--header-height);
}

.header-inner {
  width: min(100% - 32px, 1200px);
  margin-inline: auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

/* システナ／Snapdragon を同じ表示サイズにする（systenalogo.png = 256×80） */
.header-logo .logo-systena,
.header-logo .logo-snapdragon {
  display: block;
  height: 28px;
  width: calc(28px * 256 / 80);
  object-fit: contain;
  object-position: left center;
}

.header-logo .logo-snapdragon {
  height: 34px;
  width: calc(34px * 256 / 80);
}

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

.header-nav ul {
  display: flex;
  gap: 28px;
}

.header-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.header-nav ul a:hover {
  color: var(--color-red);
}

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  position: relative;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #222;
  margin: 5px auto;
  transition: 0.25s;
}

.hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ----------------------------------------
   5. ヒーロー
---------------------------------------- */
.hero {
  position: relative;
  color: #fff;
  overflow: hidden;
  min-height: 560px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: #08101f;
  z-index: 1;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

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

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding: 48px 0 0;
  text-align: left;
  /* カード2枚分より少し広め（PCでリード文を1行に収める） */
  max-width: 1080px;
  margin-inline: auto;
}

.hero-title {
  font-size: clamp(1.85rem, 3.9vw, 2.85rem);
  font-weight: 700;
  line-height: 1.55;
  margin-bottom: 20px;
  text-align: left;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

.hero-title .hero-snapdragon {
  color: #ec2f3f;
  text-shadow:
    1px 1px 0 rgba(255, 255, 255, 0.55),
    2px 2px 2px rgba(255, 255, 255, 0.4),
    3px 3px 5px rgba(255, 255, 255, 0.25);
}

.hero-lead {
  font-size: clamp(1.05rem, 1.7vw, 1.2rem);
  margin-bottom: 40px;
  line-height: 1.8;
  text-align: left;
  white-space: nowrap;
}

.hero-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 300px));
  gap: 14px;
  justify-content: start;
  margin-bottom: 28px;
}

.hero-card {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: #222;
  border: 1.5px solid #222;
  border-radius: 2px;
  padding: 16px 18px;
  text-align: center;
  position: relative;
  z-index: 0;
  min-height: 108px;
  overflow: hidden;
  transition: background-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.hero-card:hover {
  background-color: #ebb0b5;
  z-index: 2;
  transform: scale(1.04);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
}

.hero-card-body {
  position: relative;
  z-index: 1;
  width: 100%;
  text-align: center;
}

.hero-card-title {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 8px;
  line-height: 1.4;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.hero-card-text {
  font-size: 0.82rem;
  font-weight: 700;
  color: #222;
  line-height: 1.6;
  text-align: left;
}

.hero-card-icon {
  position: absolute;
  right: 6px;
  bottom: 4px;
  width: 52px;
  height: 52px;
  object-fit: contain;
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.hero-legal {
  font-size: 0.65rem;
  line-height: 1.5;
  opacity: 0.85;
  max-width: none;
  margin: 0;
  text-align: left;
}

.hero .hero-legal {
  opacity: 0.85;
  transform: none;
}

/* ----------------------------------------
   5b. ABOUT
---------------------------------------- */
.about {
  position: relative;
  z-index: 2;
  background: transparent;
  overflow: visible;
  padding: 0;
  margin-top: -6px;
}

/* ヒーローとの境目専用の帯（clip-pathの外に置き、拡大時の白線を塞ぐ） */
.about-seam {
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 16px;
  background: #eef4fc;
  z-index: 5;
  pointer-events: none;
}

/*
 * 塗りは CSS 背景 + clip-path
 * 上辺の枠線は描かない（拡大時に灰線＋白隙の原因になるため）
 */
.about-panel-wrap {
  position: relative;
  overflow: visible;
  background: #eef4fc;
  clip-path: polygon(
    0% 0%,
    100% 0%,
    100% 81.75%,
    78% 86.3%,
    66% 91.35%,
    50% 100%,
    34% 91.35%,
    22% 86.3%,
    0% 81.75%
  );
}

.about-shape {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  z-index: 0;
  overflow: visible;
}

.about-panel {
  position: relative;
  z-index: 1;
  background: transparent;
  padding: 24px 0 40px;
}

.about .container {
  position: relative;
  z-index: 1;
  --about-bg-size: clamp(2.25rem, 7vw, 4.25rem);
}

/* ABOUTは下、見出しが上に少しだけ被る */
.about .section-bg-text {
  font-size: var(--about-bg-size);
  top: 24px;
  z-index: 0;
  color: #d3d6f7;
}

.about .section-title {
  position: relative;
  z-index: 1;
  white-space: nowrap;
  margin-top: 0;
  margin-bottom: 18px;
  padding-top: calc(24px + var(--about-bg-size) * 0.58);
  font-size: clamp(1.7rem, 2.9vw, 2.2rem);
  font-weight: 400;
}

.about-lead {
  position: relative;
  z-index: 1;
  margin: 0;
  text-align: center;
  font-size: clamp(1.2rem, 2.1vw, 1.45rem);
  color: #222;
  line-height: 1.8;
}

.about-lead strong {
  font-weight: 700;
}

/* ----------------------------------------
   6. FEATURES カード
---------------------------------------- */
.features {
  padding-top: 20px;
  padding-bottom: 32px;
  overflow: visible;
  /* ABOUT山形の下に潜り込み、拡大時の白帯を目立たなくする */
  margin-top: -8px;
  background: #fff;
}

.features .container {
  position: relative;
  --features-bg-size: clamp(2.25rem, 7vw, 4.25rem);
}

.features .section-bg-text {
  font-size: var(--features-bg-size);
  top: 24px;
  z-index: 0;
  color: #d3d6f7;
}

.features .section-title {
  position: relative;
  z-index: 1;
  white-space: nowrap;
  margin-top: 0;
  padding-top: calc(24px + var(--features-bg-size) * 0.35);
  font-size: clamp(1.7rem, 2.9vw, 2.2rem);
  font-weight: 400;
  line-height: 1.35;
}

.features .section-title .num-accent {
  font-weight: 400;
}

.features .section-lead {
  position: relative;
  z-index: 1;
  font-size: clamp(1.2rem, 2.1vw, 1.45rem);
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 18px;
  overflow: visible;
}

.feature-card {
  position: relative;
  display: block;
  color: inherit;
  text-decoration: none;
  z-index: 0;
}

.feature-card:hover {
  z-index: 2;
}

.feature-card-body {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 168px;
  border: 1.5px solid var(--color-navy);
  overflow: visible;
  background: #fff;
  box-shadow: 4px 4px 0 rgba(26, 58, 110, 0.12);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  transform-origin: center center;
}

.feature-card:hover .feature-card-body {
  transform: translateY(-8px) scale(1.08);
  box-shadow: 12px 16px 28px rgba(26, 58, 110, 0.24);
}

.feature-num {
  position: absolute;
  top: -12px;
  left: -12px;
  z-index: 3;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1;
  display: grid;
  place-items: center;
}

.feature-card-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.feature-card-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  z-index: 0;
}

.feature-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.55);
  z-index: 1;
}

.feature-card-text {
  position: relative;
  z-index: 2;
  padding: 36px 16px 20px;
  text-align: center;
  font-weight: 700;
  font-size: clamp(1.1rem, 1.85vw, 1.45rem);
  line-height: 1.65;
  color: var(--color-text);
}

/* ----------------------------------------
   7. 理由01・グラフ・温度
---------------------------------------- */
.section-band--reason-lineup {
  position: relative;
  background-color: #eef3f9;
  background-image: url("../img/optimized/bg-reason-lineup.jpg");
  background-repeat: no-repeat;
  background-position: center top;
  /* 縦長画像をバンド全体（CTA・ボタンまで）の高さに合わせて表示 */
  background-size: cover;
  overflow: visible;
}

.section-band--reason-lineup .reason01,
.section-band--reason-lineup .lineup {
  background: transparent;
}

.reason01,
.reason02,
.reason03 {
  overflow: hidden;
}

.reason01 {
  padding-top: 24px;
  background: transparent;
  overflow: visible;
}

.reason01 .section-title {
  font-weight: 400;
}

.reason01 .reason-num {
  margin-top: -8px;
  margin-bottom: -28px;
}

.reason-num {
  text-align: center;
  font-size: clamp(5rem, 14vw, 8rem);
  font-weight: 900;
  color: #d3d6f7;
  line-height: 0.9;
  margin-bottom: -20px;
  pointer-events: none;
}

.chart-block {
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow-blue);
  padding: 18px;
  margin: 12px auto 6px;
  max-width: 780px;
}

.chart-img {
  width: 100%;
  display: block;
}

.chart-block--performance,
.chart-block--battery {
  background: #fff;
  padding: 16px 14px 10px;
}

.chart-block--performance {
  flex: 1 1 auto;
  min-width: 0;
  overflow: visible;
  margin: 0;
  max-width: none;
  border: none;
  border-radius: 12px;
  box-shadow:
    6px 6px 0 #6366f1,
    10px 10px 0 #e0e7ff;
}

.chart-block--battery {
  flex: 1 1 auto;
  min-width: 0;
  overflow: visible;
  margin: 0;
  max-width: none;
  width: 100%;
  border: none;
  border-radius: 12px;
  box-shadow:
    -6px 6px 0 #6366f1,
    -10px 10px 0 #e0e7ff;
}

.battery-chart-section {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.battery-chart-section.is-ready {
  opacity: 1;
  visibility: visible;
}

.thermal-section {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.thermal-section.is-ready {
  opacity: 1;
  visibility: visible;
}

.battery-chart-layout {
  position: relative;
  width: 100%;
  max-width: 792px;
  margin: 12px auto 20px;
  padding: 0 0 12px 12px;
  box-sizing: border-box;
  overflow: visible;
}

.battery-chart-wrap {
  position: relative;
  width: 100%;
  height: 340px;
  overflow: visible;
}

.battery-chart-callout {
  position: absolute;
  left: 0;
  top: 50%;
  z-index: 3;
  width: 290px;
  padding: 16px 20px 18px;
  border: 1.5px solid #8b0010;
  border-radius: 2px;
  background: rgba(255, 235, 238, 0.95);
  text-align: center;
  pointer-events: none;
  box-sizing: border-box;
  opacity: 0;
  transform: translateY(-50%) translateX(-28px);
  transition: opacity 0.32s ease, transform 0.32s ease;
}

.battery-chart-callout.is-visible {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.battery-chart-callout-lead {
  margin: 0 0 4px;
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.4;
  color: #222;
}

.battery-chart-callout-main {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.35;
  color: #222;
}

.battery-chart-callout-accent {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.35;
  color: #e60012;
}

.battery-chart-connector {
  position: absolute;
  z-index: 2;
  height: 0;
  border-top: 1.4px solid #8b0010;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-50%) scaleX(0);
  transform-origin: left center;
  transition: opacity 0.28s ease 0.03s, transform 0.32s ease 0.03s;
}

.battery-chart-connector.is-visible {
  opacity: 1;
  transform: translateY(-50%) scaleX(1);
}

.battery-chart-connector-dot {
  position: absolute;
  z-index: 3;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #8b0010;
  pointer-events: none;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.28s ease 0.06s;
}

.battery-chart-connector-dot.is-visible {
  opacity: 1;
}

.perf-chart-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 20px 36px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  color: #222;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.4;
}

.perf-chart-legend li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.perf-chart-legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.perf-chart-legend-dot--snapdragon {
  background: #e60012;
}

.perf-chart-legend-dot--intel {
  background: #555555;
}

.perf-chart-legend-dot--amd {
  background: #aaaaaa;
}

/* 説明ボックスは白い枠の外（左右）にはみ出す。白い枠自体は下のグラフと縦位置を揃える */
.perf-chart-layout {
  position: relative;
  width: 100%;
  max-width: 792px;
  margin: 12px auto 20px;
  padding: 0 12px 12px 0;
  box-sizing: border-box;
  overflow: visible;
}

.perf-chart {
  position: relative;
  display: flex;
  align-items: stretch;
  width: 100%;
  gap: 8px;
  overflow: visible;
}

.perf-chart-y-label {
  margin: 0;
  flex: 0 0 auto;
  writing-mode: vertical-rl;
  text-orientation: upright;
  color: #333;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1.4;
  position: relative;
  z-index: 1;
}

.perf-chart-canvas-wrap {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  height: 340px;
  overflow: visible;
}

.perf-chart-callout {
  position: absolute;
  left: 0;
  top: 50%;
  z-index: 3;
  width: 290px;
  padding: 16px 20px 18px;
  border: 1.5px solid #8b0010;
  border-radius: 2px;
  background: rgba(255, 235, 238, 0.92);
  text-align: center;
  pointer-events: none;
  box-sizing: border-box;
  opacity: 0;
  transition: opacity 0.32s ease, transform 0.32s ease;
}

/* グラフ側から外側へスライド */
.perf-chart-callout--left {
  transform: translateY(-50%) translateX(28px);
}

.perf-chart-callout--right {
  transform: translateY(-50%) translateX(-28px);
}

.perf-chart-callout.is-visible {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.perf-chart-connector {
  position: absolute;
  z-index: 2;
  height: 0;
  border-top: 1.4px solid #8b0010;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-50%) scaleX(0);
  transition: opacity 0.28s ease 0.03s, transform 0.32s ease 0.03s;
}

.perf-chart-connector--left {
  transform-origin: right center;
}

.perf-chart-connector--right {
  transform-origin: left center;
}

.perf-chart-connector.is-visible {
  opacity: 1;
  transform: translateY(-50%) scaleX(1);
}

.perf-chart-connector-dot {
  position: absolute;
  z-index: 3;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #8b0010;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.28s ease 0.06s;
}

.perf-chart-connector-dot.is-visible {
  opacity: 1;
}

.perf-chart-callout-lead {
  margin: 0 0 4px;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.45;
  color: #222;
}

.perf-chart-callout-main {
  margin: 0 0 8px;
  font-size: 1.75rem;
  font-weight: 900;
  line-height: 1.2;
}

.perf-chart-callout-main .text-red {
  font-weight: 900;
}

.perf-chart-callout-desc {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1.55;
  color: #222;
  text-align: left;
}

.perf-chart-callout--right .perf-chart-callout-desc {
  text-align: center;
}

.perf-chart-callout--right .perf-chart-callout-main,
.perf-chart-callout--right .perf-chart-callout-desc {
  font-size: 1.75rem;
  line-height: 1.2;
}

.perf-chart-callout--right .perf-chart-callout-main {
  margin: 0 0 4px;
  font-weight: 900;
}

.perf-chart-callout--right .perf-chart-callout-desc {
  font-weight: 500;
}

@media (max-width: 960px) {
  .perf-chart-canvas-wrap,
  .battery-chart-wrap {
    height: 300px;
  }

  .perf-chart-layout {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    margin-inline: auto;
    padding: 0 10px 10px 0;
    overflow: visible;
  }

  .chart-block--performance {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow: visible;
    order: -1;
  }

  .chart-block--battery {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow: visible;
    order: -1;
  }

  .battery-chart-layout {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    margin-inline: auto;
    padding: 0 0 10px 10px;
    overflow: visible;
  }

  .perf-chart-callout,
  .perf-chart-callout--left,
  .perf-chart-callout--right,
  .battery-chart-callout {
    position: static !important;
    left: auto !important;
    top: auto !important;
    width: 100% !important;
    max-width: 100%;
    transform: none !important;
    opacity: 1;
    margin: 0;
    padding: 12px 14px 14px;
    box-sizing: border-box;
  }

  .perf-chart-connector,
  .perf-chart-connector--left,
  .perf-chart-connector--right,
  .perf-chart-connector-dot,
  .battery-chart-connector,
  .battery-chart-connector-dot {
    display: none !important;
  }

  .battery-chart-callout-lead {
    font-size: 0.72rem;
  }

  .battery-chart-callout-main,
  .battery-chart-callout-accent {
    font-size: 1rem;
  }

  .perf-chart-callout-lead {
    font-size: 0.78rem;
  }

  .perf-chart-callout-main {
    font-size: 1.25rem;
  }

  .perf-chart-callout--right .perf-chart-callout-main,
  .perf-chart-callout--right .perf-chart-callout-desc {
    font-size: 1.25rem;
  }

  .perf-chart-callout-desc {
    font-size: 0.72rem;
    line-height: 1.5;
  }

  .chart-block--performance,
  .chart-block--battery {
    box-shadow: 4px 4px 0 #6366f1;
  }

  .perf-chart-y-label {
    font-size: 0.75rem;
    letter-spacing: 0.08em;
  }

  .perf-chart-legend {
    gap: 12px 20px;
    font-size: 0.82rem;
  }
}

.thermal-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 16px;
  align-items: start;
  max-width: 780px;
  margin: 28px auto 20px;
  background: #fff;
  border: none;
  border-radius: 12px;
  box-shadow:
    6px 6px 0 #6366f1,
    -6px -6px 0 #6366f1,
    10px 10px 0 #e0e7ff,
    -10px -10px 0 #e0e7ff;
  padding: 18px;
  overflow: visible;
}

.thermal-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
  min-width: 0;
}

.thermal-media {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 4px;
  line-height: 0;
}

.thermal-media img {
  width: 100%;
  height: auto;
  display: block;
}

.thermal-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: min(100%, 280px);
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-size: clamp(0.78rem, 1.4vw, 0.92rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}

.thermal-badge--red {
  background: var(--color-red);
}

.thermal-badge--gray {
  background: #4b5563;
}

@media (max-width: 960px) {
  .thermal-block {
    grid-template-columns: 1fr;
    gap: 10px;
    width: 100%;
    max-width: 100%;
    margin: 12px 0 16px;
    padding: 12px 10px 8px;
    border-radius: 10px;
    box-shadow: 4px 4px 0 #6366f1;
  }

  .thermal-item {
    gap: 8px;
  }

  .thermal-media img {
    max-height: none;
    object-fit: contain;
    object-position: center;
  }

  .thermal-badge {
    min-width: 0;
    width: 100%;
    max-width: 100%;
    padding: 10px 14px;
    font-size: clamp(0.72rem, 3vw, 0.85rem);
  }
}

/* ----------------------------------------
   8. ラインナップ表
---------------------------------------- */
.lineup {
  background: transparent;
}

.lineup .section-title--lined {
  font-size: 1.75rem;
}

.section-title--lined::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  background: #222;
  margin: 16px auto 0;
}

.lineup .section-lead {
  margin-top: 18px;
  font-size: 1.35rem;
}

.lineup-scroll {
  overflow-x: auto;
  overflow-y: visible;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 8px;
  padding-top: 8px;
  max-width: 1120px;
  margin: 0 auto;
}

.lineup-table {
  width: 100%;
  min-width: 1050px;
  max-width: 1120px;
  margin: 0 auto;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.98rem;
  text-align: center;
}

.lineup-table th,
.lineup-table td {
  border: 1px solid var(--color-navy);
  padding: 12px 12px;
  vertical-align: middle;
  background: #f0f7ff;
  line-height: 1.5;
  height: 104px;
  box-sizing: border-box;
}

.lineup-label-cell {
  color: var(--color-text);
  font-weight: 700;
  width: 256px;
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}

.lineup-table thead th:not(.lineup-label-cell) {
  width: calc((100% - 256px) / 5);
}

.lineup-table thead .lineup-label-cell--empty {
  border: none !important;
  background: transparent !important;
  padding: 0 !important;
  width: 256px;
  height: auto;
}

.lineup-table tbody .lineup-label-cell {
  border: 1px solid var(--color-navy) !important;
  border-radius: 999px 0 0 999px;
  background: #f0f7ff !important;
  padding: 12px 10px 12px 12px !important;
  height: 104px;
  white-space: nowrap;
  text-align: center;
  font-size: 1.12rem;
  line-height: 1.45;
}

.lineup-note-mark {
  display: inline-block;
  margin-right: 0.08em;
  margin-left: -0.35em;
  font-size: 0.58em;
  font-weight: 700;
  line-height: 1;
  vertical-align: super;
  position: relative;
  top: -0.42em;
  left: -0.08em;
}

.lineup-table thead th {
  border: none;
  background: transparent;
  padding-top: 8px;
  padding-bottom: 0;
  height: auto;
  position: relative;
  z-index: 2;
  vertical-align: bottom;
}

.lineup-logo {
  height: 84px;
  width: auto;
  margin: 0 auto -28px;
  display: block;
  position: relative;
  z-index: 2;
}

.lineup-table tbody td {
  border-top: none;
}

.lineup-table tbody tr:first-child td {
  border-top: 1px solid var(--color-navy);
  padding-top: 28px;
}

.lineup-table tbody tr:first-child .lineup-label-cell {
  padding-top: 28px !important;
}

.lineup-table .is-highlight {
  color: var(--color-red);
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.lineup-table .is-highlight--start {
  border-left: 4px solid var(--color-red);
  border-right: 1px solid var(--color-navy);
}

.lineup-table .is-highlight--end {
  border-left: none;
  border-right: 4px solid var(--color-red);
}

.lineup-table tbody tr:first-child .is-highlight {
  border-top: 4px solid var(--color-red);
}

.lineup-table tbody tr:last-child .is-highlight {
  border-bottom: 4px solid var(--color-red);
}

.lineup-table small {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  color: #666;
  margin-top: 4px;
  white-space: nowrap;
}

.lineup-table .is-highlight small {
  color: #c44;
}

.lineup-cta-text {
  text-align: center;
  margin-top: 28px;
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1.8;
}

/* ----------------------------------------
   9. 互換性
---------------------------------------- */
.reason02 {
  background: #fff;
}

.reason02 .section-title {
  font-weight: 400;
  font-size: clamp(1.45rem, 2.5vw, 1.95rem);
  line-height: 1.6;
  text-align: center;
}

.reason02 .section-title .text-red {
  font-size: 1.18em;
  font-weight: 700;
}

.reason02 .section-lead {
  margin-bottom: 56px;
}

.compat-box {
  position: relative;
  border: 2px solid var(--color-navy);
  border-top: none;
  border-radius: 0;
  background: #f0f7ff;
  padding: 40px 28px 32px;
  max-width: 960px;
  margin: 32px auto 0;
  overflow: visible;
}

/* 上枠：水平線＋くの字切り欠きの水色帯＋ネイビーのくの字線 */
.compat-banner {
  position: absolute;
  top: 0;
  left: -2px;
  right: -2px;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: auto;
  z-index: 2;
  background: transparent;
  border: none;
  padding: 0;
  min-height: 72px;
}

.compat-banner-rail {
  display: block;
  flex: 1 1 0;
  height: 2px;
  min-width: 32px;
  background: #001F5B;
  /* くの字先端と水平線を隙間なくつなぐ */
  margin-inline: -1px;
}

.compat-banner-plate {
  position: relative;
  flex: 0 1 auto;
  width: min(72%, 640px);
  min-height: 72px;
  height: 72px;
  overflow: visible;
}

.compat-banner-shape {
  position: absolute;
  inset: -2px -6px;
  width: calc(100% + 12px);
  height: calc(100% + 4px);
  display: block;
  overflow: visible;
  pointer-events: none;
}

.compat-banner-text {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 8px 56px;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-weight: 400;
  font-size: clamp(1rem, 1.75vw, 1.15rem);
  line-height: 1.55;
  color: var(--color-text);
  background: transparent;
  border: none;
  white-space: normal;
}

.compat-banner-text strong {
  font-weight: 700;
}

/* 赤いリボン（画像背景） */
.compat-ribbon {
  position: absolute;
  top: 52px;
  left: -18px;
  z-index: 3;
  margin: 0;
  width: 240px;
  height: 72px;
  padding: 0 22px 14px 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  background-color: transparent;
  background-image: url("../img/compat-ribbon.png");
  background-repeat: no-repeat;
  background-position: left top;
  background-size: 100% 100%;
  color: #fff;
  font-weight: 700;
  font-size: 1.32rem;
  letter-spacing: 0.04em;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  border: none;
  clip-path: none;
  box-shadow: none;
}

.compat-ribbon::before {
  display: none;
}

.compat-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 400px));
  gap: 28px;
  margin-top: 60px;
  justify-content: center;
  justify-items: stretch;
}

.compat-card {
  position: relative;
  width: 100%;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 12px 32px rgba(20, 40, 123, 0.18), 0 4px 12px rgba(20, 40, 123, 0.1);
  overflow: hidden;
  padding-top: 8px;
}

.compat-card-title {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 26px 12px 12px;
  margin: 0;
  overflow: visible;
}

.compat-card-bg {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -52%);
  z-index: 0;
  width: max-content;
  max-width: calc(100% - 8px);
  text-align: center;
  font-size: clamp(2.35rem, 4.4vw, 3.25rem);
  font-weight: 900;
  letter-spacing: 0.03em;
  color: #dfdffc;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}

.compat-card-bg--stack {
  white-space: normal;
  line-height: 0.95;
  top: 62%;
  transform: translate(-50%, -40%);
  font-size: clamp(2.1rem, 4vw, 2.9rem);
}

.compat-card-label {
  position: relative;
  z-index: 1;
  display: inline-block;
  color: #2a4a8c;
  font-size: 1.6rem;
  font-weight: 700;
}

.compat-logos {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 88px);
  gap: 8px;
  padding: 4px 16px 20px;
  justify-content: center;
  justify-items: center;
  align-items: center;
}

.compat-logos li {
  width: 88px;
  height: 88px;
  padding: 0;
  margin: 0;
  background: none;
  border: none;
  border-radius: 0;
  box-shadow: none;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
}

.compat-logos img {
  display: block;
  width: 88px;
  height: 88px;
  max-width: 88px;
  max-height: 88px;
  object-fit: contain;
  object-position: center;
}

.compat-note {
  text-align: center;
  margin: 28px 0 0;
  line-height: 1.75;
  font-weight: 400;
  font-size: 1.35rem;
}

.compat-btn-wrap {
  position: relative;
  z-index: 3;
  margin-top: 20px;
}

/* ----------------------------------------
   10. Guardian
---------------------------------------- */
.reason03 {
  background: #fff;
}

.reason03 .reason-num {
  color: #d3d6f7;
  margin-bottom: -28px;
}

.section-title--guardian {
  font-size: clamp(1.45rem, 2.5vw, 1.95rem);
  line-height: 1.6;
  margin-bottom: 14px;
  font-weight: 400;
}

.guardian-sub {
  font-size: clamp(1.05rem, 1.7vw, 1.2rem);
  line-height: 1.8;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 28px;
}

.section-desc.accent-center.guardian-sub {
  font-weight: 400;
}

.guardian-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  border: 2px solid var(--color-navy);
  border-radius: 0;
  max-width: 960px;
  margin: 0 auto;
  background: #f3f7fc;
}

.guardian-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 24px;
  text-align: left;
  background: #f3f7fc;
}

.guardian-item:nth-child(even) {
  box-shadow: inset 1px 0 0 var(--color-navy);
}

.guardian-item:nth-child(n + 3) {
  box-shadow: inset 0 1px 0 var(--color-navy);
}

.guardian-item:nth-child(even):nth-child(n + 3) {
  box-shadow:
    inset 1px 0 0 var(--color-navy),
    inset 0 1px 0 var(--color-navy);
}

.guardian-item h3 {
  font-size: 1.05rem;
  font-weight: 900;
  color: #111;
  margin-bottom: 6px;
  line-height: 1.4;
  text-align: center;
}

.guardian-icon {
  width: 56px;
  height: 56px;
  object-fit: contain;
  flex-shrink: 0;
  margin-top: 0;
  align-self: center;
}

.guardian-body {
  min-width: 0;
  flex: 1;
}

.guardian-item p {
  font-size: 1.0rem;
  color: var(--color-text);
  text-align: center;
  line-height: 1.65;
  margin: 0;
}

/* ----------------------------------------
   11. デモ機セクション
---------------------------------------- */
.demo {
  padding: 32px 0;
  background: #fff;
  overflow: visible;
}

.demo-box {
  position: relative;
  border: 2px solid var(--color-navy);
  overflow: visible;
  padding: 40px 0 40px;
  text-align: center;
}

.demo-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

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

.demo-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.7);
}

.demo-ribbon {
  position: absolute;
  top: 0;
  left: -2px;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: fit-content;
  max-width: calc(100% - 40px);
  margin: 0;
  padding: 0 44px 0 24px;
  min-height: 52px;
  background: var(--color-navy);
  color: #fff;
  font-size: clamp(1.02rem, 1.85vw, 1.22rem);
  font-weight: 700;
  line-height: 1;
  text-align: left;
  /* 矢印の頂点（右端中央）が上枠線上に来る */
  transform: translateY(-50%);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 50%, calc(100% - 24px) 100%, 0 100%);
  box-sizing: border-box;
}

.demo-ribbon-inner {
  display: block;
  line-height: 1.25;
  /* 日本語フォントの見かけ下寄りを補正 */
  transform: translateY(-0.08em);
}

.maker-logos {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 10px;
  width: min(100% - 48px, 860px);
  margin: 0 auto 28px;
  padding: 0;
  list-style: none;
}

.maker-logos li {
  flex: 1 1 0;
  display: grid;
  place-items: center;
  min-width: 0;
  height: 72px;
  padding: 8px 10px;
  background: #fff;
  box-sizing: border-box;
}

.maker-logos img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 52px;
  object-fit: contain;
  object-position: center;
}

.maker-logos__item--dell img {
  max-height: 66px;
}

.demo-catch {
  position: relative;
  z-index: 1;
  margin: 0 0 18px;
  font-size: 1.15rem;
  font-weight: 700;
  color: #111;
  line-height: 1.5;
}

.demo .btn-wrap {
  position: relative;
  z-index: 1;
  margin-top: 0;
}

.demo-btn {
  min-width: 280px;
}

/* ----------------------------------------
   12. SUPPORT
---------------------------------------- */
.support {
  overflow: visible;
  padding-bottom: 20px;
}

.support .container {
  position: relative;
  z-index: 1;
  --support-bg-size: clamp(2.25rem, 7vw, 4.25rem);
}

/* SUPPORTは下、見出し・リードが上に少しだけ被る */
.support .section-bg-text {
  font-size: var(--support-bg-size);
  top: 24px;
  z-index: 0;
  color: #d3d6f7;
}

.support .section-title {
  position: relative;
  z-index: 1;
  margin-top: 0;
  margin-bottom: 8px;
  padding-top: calc(24px + var(--support-bg-size) * 0.58);
  font-size: clamp(1.7rem, 2.9vw, 2.2rem);
  font-weight: 400;
  color: #222;
}

.support .section-lead {
  position: relative;
  z-index: 1;
  margin-bottom: 28px;
  font-size: clamp(1.7rem, 2.9vw, 2.2rem);
  font-weight: 400;
  color: #222;
}

.support .section-lead .text-red {
  font-weight: 400;
}

/* オレンジ／水色の帯はページ全幅。中身だけコンテナ幅に収める */
.support-body {
  width: 100%;
  max-width: none;
  margin: 0;
}

.support-points {
  background: var(--color-peach);
  border-radius: 50% 50% 0 0 / 12% 12% 0 0;
  padding: 36px 0 4px;
}

.support-points-inner {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto auto 1fr auto;
  gap: 32px 40px;
  padding: 0 16px;
  align-items: stretch;
  box-sizing: border-box;
}

.support-wave {
  display: block;
  width: 100%;
  height: clamp(48px, 6vw, 60px);
  margin: 0;
  shape-rendering: geometricPrecision;
}

.support-cta-panel {
  background: #eef4fc;
  margin-top: -1px;
  width: 100%;
}

.support-cta-panel-inner {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
  padding: 0 16px 16px;
  text-align: center;
  box-sizing: border-box;
}

.support-point {
  text-align: center;
  display: grid;
  grid-template-rows: subgrid;
  grid-row: span 5;
  align-items: start;
  justify-items: center;
  width: 100%;
}

.support-point-line {
  width: 100%;
  margin: 0;
}

.support-point-line--title {
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.5;
}

.support-point-line--sub {
  margin: 0;
}

.support-point-line--sub.point-desc {
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text);
  margin-top: -24px;
}

.support-point-line--heading {
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-text);
  margin-top: 0;
}

.support-point-heading-group {
  grid-row: 2 / 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  width: 100%;
}

.support-point-heading-group .support-point-line--title {
  margin-bottom: 0;
  line-height: 1.35;
}

.support-point-heading-group .support-point-line--heading {
  margin-top: 2px;
  line-height: 1.35;
}

.support-point--grouped-heading .support-point-panel {
  grid-row: 4;
}

.support-point--grouped-heading .point-footer {
  grid-row: 5;
}

.support-point-panel {
  width: 100%;
  display: flex;
  align-self: stretch;
  min-height: 0;
  height: 100%;
  margin-top: -14px;
  margin-bottom: 18px;
}

.support-point-panel .demo-products,
.support-point-panel .lifecycle-list {
  width: 100%;
  height: 100%;
  margin-bottom: 0;
}

.point-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 148px;
  padding: 4px 22px 6px;
  margin: 0;
  border: none;
  border-radius: var(--radius-pill);
  background: #f0f7ff;
  color: #fc7031;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  line-height: 1;
}

.point-label span {
  font-size: 2.6rem;
  font-weight: 700;
  margin-left: 2px;
  vertical-align: -1px;
  line-height: 1;
}

.point-desc {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.7;
}

.support-point .point-footer {
  margin-top: -6px;
}

.support-points-inner .support-point:last-child .point-footer {
  margin-top: -6px;
}

.support-point h3 {
  font-size: 1.55rem;
  margin-bottom: 10px;
  line-height: 1.5;
  font-weight: 700;
}

.demo-products {
  width: 100%;
  height: 100%;
  padding: 28px 12px 18px;
  background: #fff;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.demo-products-list {
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex: 1 1 auto;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
  min-height: 0;
}

.demo-products-item {
  flex: 1 1 0;
  min-width: 0;
  display: grid;
  grid-template-rows: auto 120px minmax(2.8em, auto);
  align-items: start;
  justify-items: center;
  gap: 0;
  text-align: center;
}

.demo-products-brand {
  margin: 0 0 10px;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.3;
  color: #222;
  width: 100%;
}

.demo-products-visual {
  width: 100%;
  max-width: 160px;
  height: 120px;
  min-height: 120px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  margin: 0;
  overflow: hidden;
}

.demo-products-visual img {
  display: block;
  width: auto;
  height: 120px;
  max-width: none;
  max-height: none;
  object-fit: contain;
  object-position: center bottom;
  margin: 0;
}

.demo-products-name {
  margin: 10px 0 0;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.45;
  color: #222;
  width: 100%;
  min-height: 2.8em;
}

.lifecycle-list {
  width: 100%;
  border: 1px solid #14287b;
  border-radius: 0;
  background: #fff;
  text-align: left;
  list-style: none;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}

.lifecycle-list li {
  display: grid;
  grid-template-columns: 10.5em 1fr;
  gap: 0;
  align-items: stretch;
  flex: 1 1 auto;
  padding: 0;
  border-bottom: 1px solid #14287b;
  font-size: 0.82rem;
  background: #fff;
}

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

.lifecycle-list strong {
  display: flex;
  align-items: center;
  padding: 8px 10px;
  color: #222;
  font-size: 0.95rem;
  font-weight: 700;
  border-right: none;
  white-space: nowrap;
  background: #fff;
}

.lifecycle-list span {
  display: flex;
  align-items: center;
  min-width: 0;
  padding: 8px 12px 8px 4px;
  color: #222;
  line-height: 1.45;
}

.point-footer {
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.7;
  margin-top: 0;
}

.support-cta-text {
  text-align: center;
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1.8;
  margin: 0 0 10px;
}

.support-cta-text .text-red {
  font-size: 1.5rem;
  font-weight: 700;
}

.support .demo-catch-emphasis {
  color: #222;
  font-weight: 700;
}

.support .demo-catch {
  text-align: center;
  margin: 0 0 16px;
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1.8;
}

.support .btn-wrap {
  position: relative;
  z-index: 3;
  text-align: center;
  margin: 0;
}

/* ----------------------------------------
   13. FAQ
---------------------------------------- */
.faq {
  overflow: hidden;
  padding-top: 20px;
}

.faq .container {
  position: relative;
  z-index: 1;
  --faq-bg-size: clamp(2.25rem, 7vw, 4.25rem);
}

.faq .section-bg-text {
  font-size: var(--faq-bg-size);
  top: 24px;
  z-index: 0;
  color: #d3d6f7;
}

.faq .section-title {
  position: relative;
  z-index: 1;
  margin-top: 0;
  padding-top: calc(24px + var(--faq-bg-size) * 0.58);
  font-size: clamp(1.7rem, 2.9vw, 2.2rem);
  font-weight: 400;
}

.faq-list {
  max-width: 880px;
  margin: 0 auto;
  display: grid;
  gap: 18px;
}

.faq-item {
  border: 1px solid #222;
  background: #fff;
  box-shadow: 5px 5px 0 rgba(0, 0, 0, 0.12);
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 48px 16px 18px;
  background: #f0f7ff;
  cursor: pointer;
  position: relative;
  font-weight: 700;
  border-bottom: 1px solid #222;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "";
  position: absolute;
  right: 20px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid #333;
  border-bottom: 2px solid #333;
  transform: translateY(-20%) rotate(-135deg);
  transition: transform 0.2s;
}

.faq-item:not([open]) summary {
  border-bottom: none;
}

.faq-item:not([open]) summary::after {
  transform: translateY(-70%) rotate(45deg);
}

.faq-q,
.faq-a {
  flex-shrink: 0;
  color: #111;
  font-size: 1.35rem;
  font-weight: 700;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.2;
  width: 1.4em;
}

.faq-question {
  line-height: 1.5;
}

.faq-answer {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 20px 22px;
  font-size: 0.95rem;
  line-height: 1.8;
  background: #fff;
}

.faq-answer p {
  margin: 0;
  flex: 1;
}

.text-link {
  color: var(--color-red);
  text-decoration: underline;
  font-weight: 700;
}

.text-link:hover {
  opacity: 0.8;
}

/* ----------------------------------------
   14. RESOURCES / フォーム
---------------------------------------- */
.resources {
  background-color: #eef3f9;
  background-image: url("../img/optimized/bg-resources.jpg");
  background-repeat: no-repeat;
  background-position: center top;
  background-size: cover;
  overflow: hidden;
  padding-bottom: 0;
}

.resources .container {
  position: relative;
  z-index: 1;
  --resources-bg-size: clamp(2.25rem, 7vw, 4.25rem);
}

.resources .section-bg-text {
  font-size: var(--resources-bg-size);
  top: 24px;
  z-index: 0;
  color: #d3d6f7;
}

.resources .section-title {
  position: relative;
  z-index: 1;
  margin-top: 0;
  padding-top: calc(24px + var(--resources-bg-size) * 0.58);
  font-size: clamp(1.7rem, 2.9vw, 2.2rem);
  font-weight: 400;
}

.resources-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 32px;
  align-items: stretch;
  margin-top: 20px;
}

.resources-info {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: visible;
}

.recommend-box {
  position: relative;
  margin-top: auto;
  margin-bottom: 0;
  width: 100%;
  flex-shrink: 0;
  padding: 18px 36px 24px;
  text-align: center;
  background-color: #ffe5ca;
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
  overflow: hidden;
}

.speech-bubble {
  border: 2px solid var(--color-navy);
  border-radius: 16px;
  padding: 14px 20px;
  background: #eef4fc;
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 0 auto 28px;
  position: relative;
  width: fit-content;
  max-width: 92%;
  text-align: center;
}

/* 矢印の枠線（外側）※吹き出し中央＝下画像の中心を指す */
.speech-bubble::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -14px;
  width: 18px;
  height: 14px;
  background: var(--color-navy);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  transform: translateX(-50%);
}

/* 矢印の塗り（内側）※本体下線に少し重ねて継ぎ目を消す */
.speech-bubble::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -11px;
  width: 14px;
  height: 13px;
  background: #eef4fc;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  transform: translateX(-50%);
}

.resources-visual {
  position: relative;
  width: 100%;
  max-width: 420px;
  height: 280px;
  margin: 0 auto 8px;
}

.resources-visual img {
  position: absolute;
  display: block;
  height: auto;
  object-fit: contain;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.16);
  background: #fff;
}

.resources-visual__back {
  width: 50%;
  max-width: 205px;
  top: 11%;
  right: 7%;
  z-index: 1;
  transform: rotate(8deg);
  transform-origin: center center;
}

.resources-visual__front {
  width: 46%;
  max-width: 190px;
  left: 4%;
  bottom: 0;
  z-index: 2;
  transform: rotate(-10deg);
  transform-origin: center center;
}

@media (max-width: 640px) {
  .resources-visual {
    height: 220px;
    max-width: 320px;
  }
}

.recommend-title {
  font-weight: 700;
  margin: 0;
  padding-top: 18px;
}

.recommend-list {
  text-align: left;
  max-width: 360px;
  margin: 0 auto;
  padding-top: 14px;
  display: grid;
  gap: 12px;
}

.recommend-list li {
  position: relative;
  padding-left: 32px;
  font-size: 0.95rem;
  line-height: 1.55;
}

.recommend-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-red);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  display: grid;
  place-items: center;
}

.form-box {
  background: #fff;
  border: 2px solid var(--color-navy);
  border-radius: 12px;
  padding: 24px 32px 32px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-self: start;
  width: 100%;
}

.resources .form-row {
  grid-template-columns: 10em 1fr;
  gap: 14px 18px;
  margin-bottom: 16px;
}

.resources .form-row label {
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.4;
}

.resources .form-row input {
  border: 1px solid #333;
  border-radius: 4px;
  padding: 9px 12px;
  font-size: 0.95rem;
}

.resources .form-required-note {
  margin-bottom: 18px;
}

.resources .form-privacy {
  margin: 18px 0 4px;
}

.resources .form-row--privacy {
  align-items: start;
  margin-bottom: 8px;
}

.resources .form-row--privacy .form-row__label {
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.5;
  padding-top: 2px;
}

.resources .form-privacy-field {
  text-align: left;
}

.resources .form-row--privacy .privacy-link {
  margin-top: 8px;
  margin-left: 24px;
}

.resources .checkbox-label {
  font-size: 0.92rem;
}

.resources .form-row--privacy .checkbox-label span {
  white-space: nowrap;
}

.resources .privacy-link {
  font-size: 0.82rem;
}

.resources .btn-wrap {
  margin-top: 16px;
}

.form-required-note {
  text-align: right;
  font-size: 0.8rem;
  color: var(--color-red);
  margin-bottom: 16px;
}

.req {
  color: var(--color-red);
  margin-left: 2px;
}

.form-errors {
  background: #fff0f0;
  border: 1px solid var(--color-red);
  color: var(--color-red);
  padding: 12px 16px;
  margin-bottom: 16px;
  border-radius: 4px;
  font-size: 0.9rem;
}

.form-errors li + li {
  margin-top: 4px;
}

.form-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}

.form-row label {
  font-weight: 700;
  font-size: 0.95rem;
}

.form-row input {
  width: 100%;
  border: 1px solid #333;
  border-radius: 2px;
  padding: 10px 12px;
  background: #fff;
}

.form-row input:focus {
  outline: 2px solid rgba(230, 0, 18, 0.35);
  border-color: var(--color-red);
}

.form-row input.is-invalid {
  border-color: #c00;
}

.dl-form__error {
  display: none;
  margin-top: 6px;
  color: #c00;
  font-size: 0.85rem;
  line-height: 1.4;
}

.dl-form__error.is-visible {
  display: block;
}

.form-privacy {
  margin: 20px 0 8px;
  text-align: center;
}

.checkbox-label {
  display: inline-flex;
  align-items: flex-start;
  gap: 8px;
  cursor: pointer;
  font-size: 0.95rem;
  text-align: left;
}

.checkbox-label input {
  margin-top: 4px;
  width: 16px;
  height: 16px;
  accent-color: var(--color-red);
}

.privacy-link {
  margin-top: 8px;
  font-size: 0.85rem;
}

.privacy-link a {
  text-decoration: underline;
  color: var(--color-text-sub);
}

.privacy-link a:hover {
  color: var(--color-red);
}

/* ----------------------------------------
   15. 会社概要
---------------------------------------- */
.sec-company {
  background: #fff;
  padding: 40px 0 48px;
}

.sec-company .container {
  position: relative;
  z-index: 1;
  --company-bg-size: clamp(2.25rem, 7vw, 4.25rem);
}

.sec-company .section-bg-text {
  font-size: var(--company-bg-size);
  top: 24px;
  z-index: 0;
  color: #d3d6f7;
}

.sec-company .section-title {
  position: relative;
  z-index: 1;
  margin-top: 0;
  padding-top: calc(24px + var(--company-bg-size) * 0.58);
  font-size: clamp(1.7rem, 2.9vw, 2.2rem);
  font-weight: 400;
  margin-bottom: 28px;
}

.company-profile {
  margin: 0;
  max-width: 900px;
  margin-inline: auto;
}

.company-profile__row {
  display: grid;
  grid-template-columns: minmax(140px, 220px) 1fr;
  gap: 12px 32px;
  align-items: start;
  margin: 0;
  padding: 16px 8px;
  border-top: 1px solid #e0e0e0;
}

.company-profile__row:last-child {
  border-bottom: 1px solid #e0e0e0;
}

.company-profile__row dt,
.company-profile__row dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text);
}

.company-profile__row dt {
  font-weight: 500;
}

.company-profile__row dd a {
  color: var(--color-blue);
  text-decoration: underline;
}

.company-profile__row dd a:hover {
  opacity: 0.65;
}

@media (max-width: 640px) {
  .company-profile__row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 14px 4px;
  }

  .company-profile__row dt {
    font-size: 0.85rem;
    color: var(--color-text-sub);
  }
}

/* ----------------------------------------
   15. フッター
---------------------------------------- */
.site-footer {
  background: var(--color-footer);
  color: #fff;
  padding: 36px 0;
}

.footer-inner {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
  padding-left: clamp(40px, 8vw, 120px);
}

.footer-info {
  text-align: center;
}

.footer-company {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-contact {
  font-size: 0.9rem;
  line-height: 1.8;
  color: #ddd;
}

.footer-contact a {
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
}

.footer-banners {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.footer-banner {
  display: block;
  width: 220px;
  border-radius: 4px;
  overflow: visible;
  transition: opacity 0.2s;
}

.footer-banner--tenamo {
  width: 220px;
}

.footer-banner:hover {
  opacity: 0.85;
}

.footer-banner img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  object-position: center;
  background: transparent;
}

.footer-copy {
  font-size: 0.85rem;
  color: #aaa;
}

/* ----------------------------------------
   16. 確認・サンクスページ
---------------------------------------- */
.confirm-page,
.thanks-page {
  padding: 80px 0 100px;
  min-height: calc(100vh - 200px);
}

.confirm-title,
.thanks-title {
  text-align: center;
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.confirm-lead {
  text-align: center;
  margin-bottom: 36px;
  color: var(--color-text-sub);
}

.confirm-table {
  width: 100%;
  max-width: 640px;
  margin: 0 auto 36px;
  border-collapse: collapse;
}

.confirm-table th,
.confirm-table td {
  border: 1px solid #ccc;
  padding: 14px 16px;
  text-align: left;
}

.confirm-table th {
  width: 36%;
  background: var(--color-blue-light);
  font-weight: 700;
}

.confirm-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.thanks-box {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  background: #fff;
  border: 2px solid var(--color-blue);
  border-radius: 12px;
  padding: 48px 32px;
  box-shadow: var(--shadow-blue);
}

.thanks-eyebrow {
  color: var(--color-red);
  font-weight: 900;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.thanks-text {
  margin: 24px 0 16px;
  line-height: 1.9;
}

.thanks-note {
  font-size: 0.85rem;
  color: #777;
  margin-bottom: 32px;
  line-height: 1.7;
}

.thanks-dl-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 16px;
}

.thanks-dl-item {
  border: 1px solid #d8e6f5;
  border-radius: 8px;
  padding: 20px 16px;
  background: #f8fbff;
}

.thanks-dl-item__title {
  margin: 0 0 12px;
  font-weight: 700;
}

.thanks-dl-btn {
  min-width: 180px;
}

.thanks-box .btn + .btn {
  margin-top: 12px;
}

/* ----------------------------------------
   17. ページトップ
---------------------------------------- */
.pagetop {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 900;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid #ddd;
  box-shadow: var(--shadow-soft);
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, visibility 0.25s;
}

.pagetop.is-visible {
  opacity: 1;
  visibility: visible;
}

.pagetop span {
  width: 12px;
  height: 12px;
  border-top: 2px solid #333;
  border-left: 2px solid #333;
  transform: translateY(3px) rotate(45deg);
}

.pagetop:hover {
  background: var(--color-red);
  border-color: var(--color-red);
}

.pagetop:hover span {
  border-color: #fff;
}

/* ----------------------------------------
   18. レスポンシブ（タブレット）
---------------------------------------- */
@media (max-width: 960px) {
  .feature-cards {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin-inline: auto;
  }

  .support-points-inner,
  .resources-layout,
  .compat-cards {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .support-points {
    padding: 32px 0 4px;
    border-radius: 50% 50% 0 0 / 10% 10% 0 0;
  }

  .recommend-box {
    padding: 16px 28px 22px;
  }

  .support-points-inner {
    gap: 24px;
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }

  .support-point {
    display: flex;
    flex-direction: column;
    align-items: center;
    grid-row: auto;
    grid-template-rows: none;
  }

  .support-point-panel {
    height: auto;
    min-height: 0;
  }

  .demo-products-list {
    flex: none;
  }

  .support-wave {
    height: 56px;
  }

  .support-cta-panel-inner {
    padding: 0 16px 16px;
  }

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

  .guardian-item,
  .guardian-item:nth-child(even),
  .guardian-item:nth-child(n + 3),
  .guardian-item:nth-child(even):nth-child(n + 3) {
    box-shadow: inset 0 1px 0 var(--color-navy);
  }

  .guardian-item:last-child {
    box-shadow: none;
  }

  .hero {
    position: relative;
    width: 100%;
    display: block;
    min-height: auto;
    margin-top: 0;
    padding-top: 0;
  }

  .hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #08101f url("../img/optimized/hero-bg.jpg") center 42% / auto 170% no-repeat;
  }

  .hero-bg-img {
    display: none;
  }

  .hero-bg::after {
    background: linear-gradient(
      180deg,
      rgba(0, 0, 0, 0.52) 0%,
      rgba(0, 0, 0, 0.22) 38%,
      rgba(0, 0, 0, 0.18) 58%,
      rgba(0, 0, 0, 0.68) 100%
    );
  }

  .hero-inner {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: none;
    padding: 20px 0 14px;
    box-sizing: border-box;
    text-align: center;
  }

  .hero-title {
    font-size: clamp(1.28rem, 5vw, 1.7rem);
    line-height: 1.5;
    margin-bottom: 12px;
    text-align: center;
  }

  .hero-lead {
    white-space: normal;
    margin-bottom: 14px;
    font-size: clamp(0.88rem, 3.6vw, 1rem);
    line-height: 1.7;
    text-align: center;
  }

  .hero-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    max-width: 360px;
    margin-inline: auto;
    gap: 8px;
    margin-bottom: 10px;
  }

  .hero-card {
    width: 100%;
    box-sizing: border-box;
    min-height: 0;
    padding: 10px 8px 30px;
  }

  .hero-card-title {
    font-size: 0.72rem;
    margin-bottom: 4px;
    line-height: 1.35;
  }

  .hero-card-text {
    font-size: 0.62rem;
    line-height: 1.45;
    text-align: center;
  }

  .hero-card-icon {
    width: 34px;
    height: 34px;
    right: 4px;
    bottom: 3px;
  }

  .hero-legal {
    font-size: 0.58rem;
    line-height: 1.45;
    text-align: center;
    margin-top: 10px;
    padding-top: 0;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .resources .form-row--privacy .checkbox-label span {
    white-space: normal;
  }

  .footer-inner {
    flex-direction: column;
    align-items: center;
    padding-left: 0;
  }

  .footer-info {
    width: 100%;
  }

  .about .section-title,
  .features .section-title {
    white-space: normal;
  }

  .section-bg-text {
    white-space: normal;
    letter-spacing: 0.04em;
  }

  .resources .form-row,
  .resources .form-row--privacy {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .resources .form-row--privacy .form-row__label {
    padding-top: 0;
  }

  .support-point-heading-group {
    grid-row: auto;
  }

  .support-point--grouped-heading .support-point-panel,
  .support-point--grouped-heading .point-footer {
    grid-row: auto;
  }

  .support-point-line--sub.point-desc {
    margin-top: 0;
  }

  .support .section-lead {
    font-size: clamp(1.1rem, 4vw, 1.45rem);
    line-height: 1.7;
    margin-bottom: 20px;
  }

  .note--lineup .note-footnote-inner,
  .note--lineup .note-footnote-text {
    white-space: normal;
  }

  .section-title,
  .about .section-title,
  .features .section-title,
  .support .section-title,
  .faq .section-title,
  .resources .section-title,
  .sub-heading,
  .sub-heading--left,
  .about-lead,
  .section-desc,
  .demo-ribbon,
  .thermal-badge {
    white-space: normal;
    overflow-wrap: break-word;
    word-break: normal;
    line-break: strict;
  }

  .sub-heading--left {
    display: block;
    width: 100%;
    max-width: 100%;
  }

  .perf-chart-layout,
  .battery-chart-layout {
    padding: 0 0 8px 0;
    margin-inline: 0;
    max-width: 100%;
  }

  .scroll-reveal {
    opacity: 1;
    transform: none;
  }

  .battery-chart-section,
  .thermal-section {
    opacity: 1;
    visibility: visible;
  }
}

/* ----------------------------------------
   19. レスポンシブ（スマホ）
---------------------------------------- */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .sp-none {
    display: none;
  }

  .pc-none {
    display: inline;
  }

  /* スマホ：日本語の自然な改行・文字サイズ */
  body {
    font-size: 15px;
    line-height: 1.75;
  }

  p,
  li,
  .section-title,
  .section-lead,
  .section-desc,
  .about-lead,
  .features .section-lead,
  .hero-title,
  .hero-lead,
  .hero-card-title,
  .hero-card-text,
  .feature-card-text,
  .support-point-line,
  .guardian-item h3,
  .guardian-item p,
  .guardian-sub,
  .faq-question,
  .faq-answer p,
  .demo-ribbon,
  .thermal-badge,
  .sub-heading,
  .sub-heading--left,
  .compat-note,
  .support-cta-text,
  .demo-catch,
  .speech-bubble {
    overflow-wrap: break-word;
    word-break: normal;
    line-break: strict;
  }

  /* PC用の改行をスマホでは無効化（pc-noneは除く） */
  .hero-title br:not(.pc-none),
  .hero-lead br:not(.pc-none),
  .hero-card-text br:not(.pc-none),
  .about-lead br:not(.pc-none),
  .section-lead br:not(.pc-none),
  .section-desc br:not(.pc-none),
  .section-title br:not(.pc-none),
  .section-title--guardian br:not(.pc-none),
  .support .section-title br:not(.pc-none),
  .feature-card-text br:not(.pc-none),
  .guardian-sub br:not(.pc-none),
  .compat-note br:not(.pc-none),
  .support-point-line br:not(.pc-none),
  .demo-catch br:not(.pc-none),
  .speech-bubble br:not(.pc-none),
  .footer-info br:not(.pc-none),
  .lineup-cta-text br:not(.pc-none),
  .reason01 .section-title br:not(.pc-none),
  .reason02 .section-title br:not(.pc-none),
  .lineup .section-lead br:not(.pc-none),
  .section-desc.accent-center br:not(.pc-none),
  .reason02 .section-lead br:not(.pc-none),
  .point-footer br:not(.pc-none),
  .demo-ribbon br:not(.pc-none),
  .sub-heading br:not(.pc-none),
  .faq-answer p br:not(.pc-none),
  .support-cta-text br:not(.pc-none),
  .perf-chart-callout-desc br:not(.pc-none),
  .lifecycle-list span br:not(.pc-none),
  .guardian-item p br:not(.pc-none),
  .faq-question br:not(.pc-none) {
    display: none;
  }

  br.pc-none {
    display: block;
  }

  .hero-title {
    font-size: clamp(1.32rem, 5.2vw, 1.72rem);
    line-height: 1.55;
  }

  .hero-lead {
    font-size: clamp(0.9rem, 3.8vw, 1.02rem);
    line-height: 1.65;
  }

  .hero-card-title {
    font-size: 0.76rem;
    line-height: 1.4;
  }

  .hero-card-text {
    font-size: 0.68rem;
    line-height: 1.5;
  }

  .about-lead {
    font-size: clamp(0.95rem, 4vw, 1.12rem);
    line-height: 1.75;
  }

  .features .section-lead {
    font-size: clamp(0.95rem, 4vw, 1.12rem);
    line-height: 1.75;
  }

  .section-desc {
    font-size: clamp(0.9rem, 3.6vw, 1.05rem);
    line-height: 1.7;
  }

  .feature-card-text {
    font-size: clamp(0.88rem, 3.8vw, 1rem);
    line-height: 1.6;
    padding: 32px 12px 16px;
  }

  .feature-card-body {
    min-height: 140px;
  }

  .support .section-lead {
    font-size: clamp(0.95rem, 4vw, 1.12rem);
    line-height: 1.7;
  }

  .guardian-sub {
    font-size: clamp(0.9rem, 3.6vw, 1.05rem);
    line-height: 1.7;
  }

  .faq-question {
    font-size: 0.95rem;
    line-height: 1.55;
  }

  .faq-answer {
    font-size: 0.9rem;
    line-height: 1.75;
  }

  .reason01 .section-title,
  .reason02 .section-title,
  .section-title--guardian {
    font-size: clamp(1.15rem, 4.6vw, 1.45rem);
    line-height: 1.5;
  }

  .section {
    padding: 40px 0;
  }

  .about {
    padding: 0;
  }

  .about-panel {
    padding: 12px 0 32px;
  }

  .about .container {
    --about-bg-size: clamp(2.25rem, 7vw, 3.5rem);
  }

  .about .section-title {
    white-space: normal;
    padding-top: calc(24px + var(--about-bg-size) * 0.58);
  }

  .features {
    padding-top: 8px;
  }

  .features .container {
    --features-bg-size: clamp(2.25rem, 7vw, 3.5rem);
  }

  .features .section-title {
    white-space: normal;
    padding-top: calc(24px + var(--features-bg-size) * 0.35);
  }

  .support .container {
    --support-bg-size: clamp(2.25rem, 7vw, 3.5rem);
  }

  .support .section-title {
    padding-top: calc(24px + var(--support-bg-size) * 0.58);
  }

  .faq .container {
    --faq-bg-size: clamp(2.25rem, 7vw, 3.5rem);
  }

  .faq .section-title {
    padding-top: calc(24px + var(--faq-bg-size) * 0.58);
  }

  .resources .container {
    --resources-bg-size: clamp(2.25rem, 7vw, 3.5rem);
  }

  .resources .section-title {
    padding-top: calc(24px + var(--resources-bg-size) * 0.58);
  }

  .sec-company .container {
    --company-bg-size: clamp(2.25rem, 7vw, 3.5rem);
  }

  .sec-company .section-title {
    padding-top: calc(24px + var(--company-bg-size) * 0.58);
  }

  .header-logo .logo-systena,
  .header-logo .logo-snapdragon {
    height: 22px;
    width: calc(22px * 256 / 80);
  }

  .header-logo .logo-snapdragon {
    height: 27px;
    width: calc(27px * 256 / 80);
  }

  .hamburger {
    display: block;
  }

  .header-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0 0 20px;
    border-bottom: 1px solid #eee;
    box-shadow: var(--shadow-soft);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: 0.25s;
  }

  .header-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .header-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .header-nav ul a {
    display: block;
    padding: 16px 24px;
    border-bottom: 1px solid #f0f0f0;
  }

  .header-nav .btn-header {
    margin: 16px 24px 0;
    text-align: center;
  }

  .hero-bg {
    background-position: center 40%;
    background-size: auto 175%;
  }

  .hero-inner {
    padding: 16px 0 12px;
  }

  .hero-cards {
    max-width: 340px;
    gap: 6px;
  }

  .hero-card {
    padding: 9px 6px 28px;
  }

  .hero-card-title {
    font-size: 0.68rem;
  }

  .hero-card-text {
    font-size: 0.58rem;
  }

  .hero-card-icon {
    width: 30px;
    height: 30px;
  }

  .compat-banner {
    position: absolute;
    top: 0;
    left: -2px;
    right: -2px;
    transform: translateY(-50%);
    width: auto;
    margin: 0;
    gap: 0;
    min-height: 64px;
  }

  .compat-banner-plate {
    width: min(78%, 520px);
    min-height: 64px;
    height: 64px;
  }

  .compat-banner-text {
    padding: 6px 40px;
    font-size: 0.88rem;
  }

  .compat-banner-rail {
    min-width: 20px;
  }

  .compat-box {
    padding: 36px 14px 24px;
    margin-top: 20px;
  }

  .compat-ribbon {
    width: 200px;
    height: 60px;
    left: -10px;
    top: 36px;
    font-size: 1.16rem;
    padding: 0 18px 12px 14px;
  }

  .compat-logos {
    grid-template-columns: repeat(3, 52px);
    gap: 6px;
    padding: 2px 10px 14px;
  }

  .compat-logos li,
  .compat-logos img {
    width: 52px;
    height: 52px;
    max-width: 52px;
    max-height: 52px;
  }

  .guardian-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 16px;
  }

  .lineup-logo {
    height: 64px;
  }

  .note-footnote-inner {
    width: min(100%, 100%);
  }

  .note--lineup {
    font-size: 0.82rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .demo {
    padding: 28px 0 24px;
  }

  .demo-box {
    padding: 28px 0 24px;
  }

  .demo-ribbon {
    padding: 0 36px 0 14px;
    min-height: 48px;
    font-size: 0.98rem;
    margin: 0;
  }

  .demo-ribbon-inner {
    line-height: 1.35;
    transform: translateY(-0.06em);
  }

  .maker-logos {
    width: min(100% - 24px, 860px);
    gap: 6px;
    margin-bottom: 22px;
  }

  .maker-logos li {
    height: 56px;
    padding: 6px 4px;
  }

  .maker-logos img {
    max-height: 40px;
  }

  .maker-logos__item--dell img {
    max-height: 50px;
  }

  .demo-catch {
    font-size: 1rem;
  }

  .demo-btn {
    min-width: 240px;
  }

  .support-points {
    padding: 28px 0 4px;
    border-radius: 50% 50% 0 0 / 8% 8% 0 0;
  }

  .support-points-inner {
    gap: 24px;
  }

  .support-wave {
    height: 48px;
  }

  .support {
    padding-bottom: 12px;
  }

  .faq {
    padding-top: 12px;
  }

  .support-cta-panel-inner {
    padding: 0 12px 12px;
  }

  .support-point-panel {
    margin-top: 0;
    margin-bottom: 12px;
  }

  .support-point .point-footer {
    margin-top: 12px;
  }

  .demo-products {
    padding: 20px 10px 16px;
  }

  .demo-products-list {
    flex-direction: row;
    align-items: stretch;
    gap: 8px;
  }

  .demo-products-item {
    flex: 1 1 0;
    width: auto;
    max-width: none;
    grid-template-rows: auto 80px minmax(2.6em, auto);
  }

  .demo-products-brand {
    font-size: 0.82rem;
    margin-bottom: 8px;
  }

  .demo-products-visual {
    width: 100%;
    max-width: none;
    height: 80px;
    min-height: 80px;
    margin: 0;
  }

  .demo-products-visual img {
    height: 80px;
    width: auto;
    max-width: none;
    max-height: none;
  }

  .demo-products-name {
    font-size: 0.58rem;
    line-height: 1.35;
    min-height: 2.6em;
    margin-top: 8px;
  }

  .lifecycle-list li {
    grid-template-columns: 8.2em 1fr;
  }

  .lifecycle-list strong,
  .lifecycle-list span {
    padding: 7px 8px;
  }

  .lifecycle-list strong {
    font-size: 0.84rem;
  }

  .lifecycle-list span {
    font-size: 0.75rem;
  }

  .recommend-box {
    padding: 14px 24px 20px;
  }

  .form-box {
    padding: 20px 16px 28px;
  }

  .btn {
    min-width: 220px;
    width: 100%;
    max-width: 320px;
  }

  .confirm-actions {
    flex-direction: column;
    align-items: center;
  }

  .footer-banner {
    width: 100%;
    max-width: 280px;
  }

  .footer-banner--tenamo {
    width: 100%;
    max-width: 280px;
  }

  html,
  body {
    overflow-x: clip;
  }

  .perf-chart {
    flex-direction: column;
    align-items: stretch;
  }

  .perf-chart-y-label {
    writing-mode: horizontal-tb;
    text-orientation: mixed;
    letter-spacing: 0.05em;
    font-size: 0.8rem;
    margin-bottom: 4px;
  }

  .perf-chart-canvas-wrap,
  .battery-chart-wrap {
    height: 300px;
  }

  .chart-block--battery {
    padding: 14px 10px 12px 8px;
    overflow: visible;
  }

  .battery-chart-wrap {
    overflow: visible;
  }

  .perf-chart-legend li {
    white-space: normal;
  }

  .perf-chart-legend {
    gap: 8px 12px;
    justify-content: flex-start;
  }

  .sub-heading.sub-heading--battery-life {
    font-size: clamp(1.2rem, 4.5vw, 1.5rem);
  }

  .section-desc.section-desc--battery-life {
    font-size: clamp(0.95rem, 3.5vw, 1.15rem);
  }

  .lineup .section-lead,
  .lineup-cta-text,
  .compat-note,
  .support-cta-text {
    font-size: clamp(1rem, 3.5vw, 1.2rem);
  }

  .reason02 .section-lead {
    margin-bottom: 28px;
  }

  .compat-card-bg {
    white-space: normal;
    max-width: 100%;
  }

  .compat-ribbon {
    white-space: nowrap;
    width: 200px;
    max-width: none;
    height: 60px;
    min-height: 60px;
  }

  .lifecycle-list strong {
    white-space: normal;
    word-break: normal;
  }

  .guardian-item h3,
  .guardian-item p {
    text-align: center;
  }

  .guardian-icon {
    width: 48px;
    height: 48px;
  }

  .maker-logos {
    flex-wrap: wrap;
    justify-content: center;
  }

  .maker-logos li {
    flex: 0 1 calc(50% - 6px);
    min-width: 120px;
  }

  .lineup-scroll {
    width: 100%;
    max-width: none;
    margin-inline: calc(50% - 50vw);
    padding-inline: 14px;
    padding-bottom: 12px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .lineup-table {
    min-width: 820px;
    font-size: 0.84rem;
  }

  .lineup-label-cell,
  .lineup-table thead .lineup-label-cell--empty {
    width: 118px;
    min-width: 118px;
    max-width: 118px;
    white-space: normal;
  }

  .lineup-table thead th:not(.lineup-label-cell) {
    width: 140px;
    min-width: 140px;
  }

  .lineup-table th,
  .lineup-table td {
    height: auto;
    min-height: 68px;
    padding: 10px 8px;
  }

  .lineup-table tbody .lineup-label-cell {
    white-space: normal;
    font-size: 0.76rem;
    line-height: 1.35;
    text-align: left;
    padding: 10px 8px 10px 10px !important;
    height: auto;
    min-height: 68px;
  }

  .lineup-logo {
    height: 52px;
    margin-bottom: -12px;
  }

  .lineup-table tbody tr:first-child td,
  .lineup-table tbody tr:first-child .lineup-label-cell {
    padding-top: 18px;
  }

  .lineup-table small {
    white-space: normal;
    font-size: 0.6rem;
    line-height: 1.3;
  }

  .scroll-reveal {
    transform: translateY(16px);
    transition-duration: 0.45s;
    will-change: auto;
  }

  .footer-banners {
    justify-content: center;
  }

  /* スマホ：文字の折り返し・はみ出し防止 */
  .section-title,
  .about .section-title,
  .features .section-title,
  .support .section-title,
  .faq .section-title,
  .resources .section-title,
  .sec-company .section-title,
  .reason01 .section-title,
  .reason02 .section-title,
  .section-title--guardian,
  .sub-heading,
  .sub-heading--left,
  .about-lead,
  .features .section-lead,
  .section-desc,
  .section-desc--battery-life,
  .guardian-sub,
  .demo-ribbon,
  .thermal-badge,
  .header-nav ul a {
    white-space: normal;
    overflow-wrap: break-word;
    word-break: normal;
    line-break: strict;
  }

  .sub-heading--left {
    display: block;
    width: 100%;
    max-width: 100%;
    font-size: clamp(1.1rem, 4.2vw, 1.4rem);
    line-height: 1.5;
  }

  .sub-heading.sub-heading--battery-life,
  .sub-heading--section-start {
    font-size: clamp(1.15rem, 4.5vw, 1.45rem);
    margin-top: 32px;
    line-height: 1.5;
  }

  .lineup .section-title--lined {
    font-size: clamp(1.15rem, 4.5vw, 1.45rem);
    line-height: 1.5;
  }

  .section-desc.section-desc--battery-life {
    font-size: clamp(0.92rem, 3.4vw, 1.1rem);
    line-height: 1.7;
    padding-inline: 4px;
  }

  .about .section-title,
  .features .section-title,
  .support .section-title {
    font-size: clamp(1.22rem, 4.8vw, 1.52rem);
    line-height: 1.5;
  }

  .support .section-title {
    padding-top: calc(16px + var(--support-bg-size) * 0.45);
  }

  .section-bg-text {
    font-size: clamp(2rem, 9vw, 3.25rem);
    letter-spacing: 0.03em;
    line-height: 1.1;
  }

  .features .section-bg-text {
    font-size: var(--features-bg-size);
  }

  .reason-num {
    font-size: clamp(3.5rem, 14vw, 5rem);
    margin-bottom: -12px;
  }

  /* スマホ：グラフ枠の余白調整 */
  .perf-chart-layout,
  .battery-chart-layout {
    padding: 0 0 6px 0;
    margin: 12px 0 16px;
    max-width: 100%;
  }

  .chart-block--performance,
  .chart-block--battery,
  .thermal-block {
    border-radius: 10px;
    padding: 12px 10px 8px;
  }

  .compat-card-title {
    padding: 18px 8px 10px;
  }

  .compat-card-label {
    font-size: clamp(1rem, 4.2vw, 1.25rem);
  }

  .compat-card-bg {
    font-size: clamp(1.55rem, 6vw, 2.1rem);
  }

  .compat-card-bg--stack {
    font-size: clamp(1.35rem, 5.2vw, 1.85rem);
    top: 58%;
  }

  .compat-logos {
    grid-template-columns: repeat(3, 56px);
    gap: 6px;
    padding: 2px 10px 14px;
  }

  .compat-logos li,
  .compat-logos img {
    width: 56px;
    height: 56px;
    max-width: 56px;
    max-height: 56px;
  }

  .compat-card {
    padding-top: 6px;
  }

  .compat-cards {
    gap: 16px;
  }

  /* スマホ：SUPPORT */
  .support-points-inner {
    width: min(100% - 28px, var(--container));
    padding: 0 8px;
    gap: 20px;
  }

  .support-point-line--title,
  .support-point-line--heading {
    font-size: clamp(1.05rem, 4vw, 1.3rem);
    line-height: 1.45;
  }

  .support-point-line--sub.point-desc {
    margin-top: 0;
    font-size: clamp(0.88rem, 3.6vw, 1rem);
    line-height: 1.65;
  }

  .support-point-panel {
    margin-top: 0;
  }

  /* スマホ：アニメーションで非表示にならないよう固定 */
  .scroll-reveal {
    opacity: 1;
    transform: none;
  }

  .battery-chart-section,
  .thermal-section {
    opacity: 1;
    visibility: visible;
  }
}

@media (hover: none) {
  .hero-card:hover,
  .feature-card:hover .feature-card-body {
    transform: none;
    box-shadow: none;
  }
}

@media (max-width: 480px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .header-inner {
    width: min(100% - 24px, 1200px);
  }

  .hero-legal {
    font-size: 0.58rem;
  }

  .section-bg-text {
    font-size: 3.5rem;
  }

  .perf-chart-canvas-wrap,
  .battery-chart-wrap {
    height: 290px;
  }

  .chart-block--battery,
  .thermal-block {
    padding: 12px 8px 10px 6px;
  }

  .compat-logos {
    grid-template-columns: repeat(3, 48px);
    gap: 5px;
    padding: 2px 8px 12px;
  }

  .compat-logos li,
  .compat-logos img {
    width: 48px;
    height: 48px;
    max-width: 48px;
    max-height: 48px;
  }

  .compat-card-label {
    font-size: 0.95rem;
  }

  .compat-card-bg {
    font-size: 1.45rem;
  }

  .compat-card-bg--stack {
    font-size: 1.25rem;
  }

  .demo-btn {
    min-width: 0;
    width: 100%;
  }

  .point-label {
    min-width: 0;
    padding-inline: 16px;
  }
}

/* ----------------------------------------
   スクロール表示アニメーション
---------------------------------------- */
.scroll-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.45s ease var(--reveal-delay, 0s),
    transform 0.45s ease var(--reveal-delay, 0s);
  will-change: opacity, transform;
}

.scroll-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .scroll-reveal {
    opacity: 1;
    transform: none;
    transition: none;
    will-change: auto;
  }

  .perf-chart-callout,
  .perf-chart-callout--left,
  .perf-chart-callout--right,
  .perf-chart-connector,
  .perf-chart-connector--left,
  .perf-chart-connector--right,
  .perf-chart-connector-dot,
  .battery-chart-callout,
  .battery-chart-connector,
  .battery-chart-connector-dot {
    opacity: 1;
    transform: translateY(-50%) translateX(0) scaleX(1);
    transition: none;
  }

  .perf-chart-connector-dot,
  .battery-chart-connector-dot {
    transform: translate(-50%, -50%);
  }
}