/* ==========================================================
   SoundLog — Portfolio Case Study
   SoundLogアプリ本体のデザイントークンを踏襲したダークテーマ
   ========================================================== */

:root {
  --bg: #08090b;
  --page: #0e0f12;
  --card: #16181d;
  --card-hi: #1b1e24;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #eceef2;
  --dim: #b4b9c4;
  --mute: #7c818c;
  --faint: #555962;
  --teal: #4ecdc4;
  --teal-deep: #0e8c7f;
  --orange: #ff8f00;
  --amber: #ef9f27;
  --red: #e24b4a;
  --info: #afa9ec;
  --gold: #ffd89a;
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --font-sans: "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP",
    "Yu Gothic UI", Meiryo, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono",
    Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-feature-settings: "palt";
  line-height: 1.8;
  overflow-x: hidden;
}

/* 背景のグロウ（アプリ／マーケサイトと同系） */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 6% 0%, rgba(255, 143, 0, 0.16), transparent 30rem),
    radial-gradient(circle at 94% 14%, rgba(78, 205, 196, 0.13), transparent 32rem),
    radial-gradient(circle at 18% 86%, rgba(226, 75, 74, 0.07), transparent 26rem);
}

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

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

.wrap {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

p {
  color: rgba(236, 238, 242, 0.72);
  font-size: 16px;
  line-height: 1.95;
  margin: 14px 0 0;
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- ヘッダー ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(8, 9, 11, 0.78);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand img.icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 10px 28px rgba(255, 143, 0, 0.35);
}

.brand .brand-text strong {
  display: block;
  font-size: 16px;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.brand .brand-text span {
  display: block;
  color: var(--mute);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: 22px;
  font-size: 13px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.6);
}

.site-nav a:hover {
  color: var(--teal);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 999px;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.header-cta:hover {
  border-color: var(--teal);
  color: var(--teal);
}

/* ---------- 共通パーツ ---------- */

.section {
  padding: 96px 0;
}

.section.soft {
  background: rgba(255, 255, 255, 0.022);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 15px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: var(--teal);
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 12px rgba(78, 205, 196, 0.9);
}

.label.amber {
  color: var(--amber);
}

.label.amber::before {
  background: var(--amber);
  box-shadow: 0 0 12px rgba(239, 159, 39, 0.9);
}

h1,
h2,
h3 {
  word-break: auto-phrase;
}

h2 {
  margin: 22px 0 0;
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.3;
  letter-spacing: 0.01em;
}

h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.5;
  letter-spacing: 0.01em;
}

.section-header {
  max-width: 820px;
}

.section-header.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-header p {
  font-size: 16.5px;
}

.grad {
  background: linear-gradient(92deg, var(--teal), #ffffff 55%, var(--orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Hero ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 44px;
  align-items: center;
  padding: 72px 0 88px;
}

.hero-eyebrow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.hero h1 {
  margin: 26px 0 0;
  font-size: clamp(30px, 3.4vw, 42px);
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.hero h1 .stack-line {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.4vw, 16px);
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--teal);
  margin-bottom: 18px;
}

.hero h1 .gold {
  color: var(--gold);
}

.hero .lead {
  max-width: 640px;
  font-size: 17px;
}

.status-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 12.5px;
  font-weight: 800;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--dim);
}

.status-pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mute);
}

.status-pill.live {
  border-color: rgba(78, 205, 196, 0.5);
  background: rgba(78, 205, 196, 0.1);
  color: var(--teal);
}

.status-pill.live::before {
  background: var(--teal);
  box-shadow: 0 0 10px rgba(78, 205, 196, 0.9);
}

.status-pill.wip {
  border-color: rgba(239, 159, 39, 0.45);
  background: rgba(239, 159, 39, 0.09);
  color: var(--amber);
}

.status-pill.wip::before {
  background: var(--amber);
}

.role-block {
  margin-top: 26px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--teal);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
}

.role-block span {
  display: block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
  font-family: var(--font-mono);
}

.role-block strong {
  display: block;
  margin-top: 6px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--dim);
  font-weight: 700;
}

.tag-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 22px 0 0;
}

.tag-list li {
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--dim);
  font-family: var(--font-mono);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 16px;
  padding: 14px 22px;
  font-size: 14.5px;
  font-weight: 800;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: var(--teal);
  color: #071113;
  border-color: transparent;
  box-shadow: 0 0 32px rgba(78, 205, 196, 0.3);
}

.button.ghost:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.app-store-badge-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  transition: transform 0.18s ease, filter 0.18s ease;
}

.app-store-badge-link:hover {
  transform: translateY(-2px);
  filter: drop-shadow(0 0 22px rgba(78, 205, 196, 0.22));
}

.app-store-badge {
  display: block;
  width: auto;
  height: 52px;
}

/* Hero 右側のフォン */

.hero-visual {
  position: relative;
  min-height: 660px;
}

.hero-visual .glow {
  position: absolute;
  left: 50%;
  top: 6%;
  transform: translateX(-50%);
  width: 540px;
  height: 540px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(78, 205, 196, 0.17), transparent 64%);
}

.phone {
  width: 264px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 36px;
  padding: 8px;
  background: #08090b;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.55);
}

.phone img {
  display: block;
  width: 100%;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--page);
}

.hero-visual .phone.one {
  position: absolute;
  left: 3%;
  top: 12px;
  transform: rotate(-5deg);
  z-index: 2;
}

.hero-visual .phone.two {
  position: absolute;
  right: 1%;
  top: 84px;
  transform: rotate(4deg);
  z-index: 1;
}

.hero-note {
  position: absolute;
  left: 50%;
  bottom: 6px;
  transform: translateX(-50%);
  width: 92%;
  border: 1px solid var(--line);
  background: rgba(22, 24, 29, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 22px;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 18px 70px rgba(0, 0, 0, 0.45);
  z-index: 3;
}

.hero-note img {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  object-fit: cover;
}

.hero-note b {
  display: block;
  font-size: 13.5px;
}

.hero-note small {
  color: var(--mute);
  font-size: 11.5px;
}

.hero-note em {
  margin-left: auto;
  font-style: normal;
  color: var(--teal);
  background: rgba(78, 205, 196, 0.13);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
  font-family: var(--font-mono);
}

/* ---------- 実装規模ストリップ ---------- */

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 8px;
}

.metric-strip > div {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
  border-radius: var(--radius-md);
  padding: 22px 22px 18px;
}

.metric-strip span {
  display: block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
  font-family: var(--font-mono);
}

.metric-strip strong {
  display: block;
  margin-top: 10px;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.15;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.metric-strip p {
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--mute);
  line-height: 1.7;
}

/* ---------- ストーリー（作った理由） ---------- */

.context-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 46px;
}

.story-block {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-lg);
  padding: 28px 30px;
}

.story-block > span {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--orange);
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.story-block p {
  font-size: 15px;
}

/* Before / After */

.before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 26px;
}

.comparison {
  border: 1px solid rgba(226, 75, 74, 0.22);
  background: rgba(226, 75, 74, 0.06);
  border-radius: var(--radius-lg);
  padding: 26px 30px;
}

.comparison.after {
  border-color: rgba(78, 205, 196, 0.3);
  background: rgba(78, 205, 196, 0.07);
}

.comparison h3 {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
}

.comparison.after h3 {
  color: var(--teal);
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  color: rgba(236, 238, 242, 0.74);
  font-size: 14.5px;
}

.check-list li {
  position: relative;
  padding: 7px 0 7px 26px;
  line-height: 1.7;
}

.check-list li::before {
  content: "✕";
  position: absolute;
  left: 0;
  top: 7px;
  color: var(--red);
  font-weight: 800;
  font-size: 13px;
}

.comparison.after .check-list li::before {
  content: "✓";
  color: var(--teal);
}

/* ---------- 活用シーン ---------- */

.scene-list {
  display: grid;
  gap: 22px;
  margin-top: 56px;
}

.scene {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 44px;
  align-items: center;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.028);
  border-radius: var(--radius-lg);
  padding: 38px 44px;
}

.scene.reverse {
  grid-template-columns: 300px 1fr;
}

.scene.reverse .scene-text {
  order: 2;
}

.scene-num {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--orange);
  text-transform: uppercase;
}

.scene-num::before {
  content: attr(data-num);
  font-size: 30px;
  font-weight: 700;
  color: rgba(255, 143, 0, 0.85);
}

.scene h3 {
  margin-top: 12px;
  font-size: 22px;
}

.scene p {
  font-size: 15px;
}

.scene .phone {
  width: 240px;
  margin: 0 auto;
}

.scene-points {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.scene-points li {
  border: 1px solid rgba(78, 205, 196, 0.3);
  background: rgba(78, 205, 196, 0.08);
  color: var(--teal);
  border-radius: 999px;
  padding: 6px 13px;
  font-size: 12px;
  font-weight: 700;
}

/* ---------- 機能グリッド ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 56px;
}

.feature-item {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
  border-radius: var(--radius-md);
  padding: 26px 26px 22px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.feature-item:hover {
  transform: translateY(-3px);
  border-color: rgba(78, 205, 196, 0.4);
}

.feature-item .f-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(78, 205, 196, 0.12);
  color: var(--teal);
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 16px;
}

.feature-item .f-icon.amber {
  background: rgba(239, 159, 39, 0.12);
  color: var(--amber);
}

.feature-item .f-icon.red {
  background: rgba(226, 75, 74, 0.12);
  color: var(--red);
}

.feature-item .f-icon.violet {
  background: rgba(175, 169, 236, 0.12);
  color: var(--info);
}

.feature-item h3 {
  font-size: 17px;
}

.feature-item p {
  font-size: 13.5px;
  color: var(--mute);
  margin-top: 8px;
}

.feature-item .f-tech {
  display: block;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--faint);
  letter-spacing: 0.02em;
}

/* ---------- システム全体図 ---------- */

.system-diagram {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.diagram-device {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(78, 205, 196, 0.05), rgba(255, 255, 255, 0.02));
  padding: 30px 32px 34px;
}

.diagram-device-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.diagram-device-head strong {
  font-size: 18px;
}

.diagram-device-head span {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
}

.layer {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(8, 9, 11, 0.5);
  padding: 16px 20px;
  margin-top: 12px;
}

.layer-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}

.layer-head span {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  min-width: 86px;
}

.layer-head strong {
  font-size: 14.5px;
}

.layer p {
  margin-top: 6px;
  font-size: 13px;
  color: var(--mute);
  line-height: 1.75;
}

.layer .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 10px;
}

.layer .chips i {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--dim);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  padding: 4px 9px;
}

.diagram-external {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 14px;
}

.external-node {
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  padding: 16px 18px;
}

.external-node strong {
  display: block;
  font-size: 13.5px;
}

.external-node p {
  margin-top: 4px;
  font-size: 12px;
  color: var(--mute);
}

.diagram-caption {
  margin-top: 18px;
  font-size: 13px;
  color: var(--mute);
}

.diagram-caption b {
  color: var(--teal);
}

/* ---------- 技術スタック ---------- */

.arch-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: start;
  margin-top: 56px;
}

.tech-panel {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-lg);
  padding: 30px 32px;
}

.tech-panel h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
}

.tech-list {
  margin: 18px 0 0;
}

.tech-list > div {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}

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

.tech-list dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mute);
  padding-top: 3px;
}

.tech-list dd {
  margin: 0;
  font-size: 14px;
  color: var(--dim);
  line-height: 1.75;
}

.tech-note {
  margin-top: 22px;
  border: 1px solid rgba(78, 205, 196, 0.28);
  background: rgba(78, 205, 196, 0.06);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
}

.tech-note h4 {
  margin: 0;
  font-size: 14px;
  color: var(--teal);
}

.tech-note p {
  font-size: 13px;
  margin-top: 8px;
}

/* ---------- 設計判断 ---------- */

.decision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 56px;
}

.decision {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-lg);
  padding: 28px 30px;
  position: relative;
}

.decision::before {
  content: attr(data-num);
  position: absolute;
  top: 24px;
  right: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--faint);
}

.decision .d-theme {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
}

.decision h3 {
  margin-top: 10px;
  font-size: 18px;
  padding-right: 40px;
}

.decision p {
  font-size: 14px;
  color: rgba(236, 238, 242, 0.66);
}

.decision .d-why {
  margin-top: 16px;
  border-top: 1px dashed var(--line-strong);
  padding-top: 13px;
  font-size: 12.5px;
  color: var(--mute);
  line-height: 1.75;
}

.decision .d-why b {
  color: var(--teal);
  font-weight: 800;
}

/* ---------- 品質 ---------- */

.quality-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 56px;
}

.quality-item {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.032);
  border-radius: var(--radius-md);
  padding: 24px 26px;
}

.quality-item .q-value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--gold);
}

.quality-item h3 {
  margin-top: 6px;
  font-size: 15.5px;
}

.quality-item p {
  font-size: 13px;
  color: var(--mute);
  margin-top: 8px;
}

/* ---------- 画面ギャラリー ---------- */

.screen-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.screen-grid figure {
  margin: 0;
}

.screen-grid .shot {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 26px;
  padding: 7px;
  background: #08090b;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.4);
}

.screen-grid .shot img {
  display: block;
  width: 100%;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.screen-grid figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--mute);
  line-height: 1.7;
  padding: 0 4px;
}

.screen-grid figcaption b {
  display: block;
  color: var(--dim);
  font-size: 13px;
}

/* ---------- ビジネス ---------- */

.biz-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 56px;
}

.biz-card {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-lg);
  padding: 28px 30px;
}

.biz-card .b-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}

.biz-card h3 {
  margin-top: 10px;
  font-size: 18px;
}

.biz-card p {
  font-size: 14px;
}

.funnel {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
}

.funnel li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13.5px;
  color: var(--dim);
}

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

.funnel li b {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--teal);
}

.plan-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.plan {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(8, 9, 11, 0.45);
  padding: 14px 16px;
}

.plan b {
  display: block;
  font-size: 13px;
}

.plan .price {
  font-family: var(--font-mono);
  color: var(--gold);
  font-size: 15px;
  margin-top: 4px;
  display: block;
}

.plan small {
  display: block;
  color: var(--mute);
  font-size: 11px;
  margin-top: 6px;
  line-height: 1.6;
}

/* ---------- 開発プロセス ---------- */

.process-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 44px;
  align-items: start;
  margin-top: 56px;
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--teal), rgba(255, 143, 0, 0.7));
  opacity: 0.45;
}

.timeline li {
  position: relative;
  padding: 0 0 26px 34px;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--page);
  border: 3px solid var(--teal);
}

.timeline li:last-child {
  padding-bottom: 0;
}

.timeline span {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
}

.timeline strong {
  display: block;
  margin-top: 4px;
  font-size: 15.5px;
}

.timeline p {
  margin-top: 4px;
  font-size: 13px;
  color: var(--mute);
}

.ai-panel {
  border: 1px solid rgba(175, 169, 236, 0.3);
  background: linear-gradient(165deg, rgba(175, 169, 236, 0.07), rgba(255, 255, 255, 0.02));
  border-radius: var(--radius-lg);
  padding: 30px 32px;
}

.ai-panel .label {
  color: var(--info);
}

.ai-panel .label::before {
  background: var(--info);
  box-shadow: 0 0 12px rgba(175, 169, 236, 0.9);
}

.ai-panel h3 {
  margin-top: 18px;
  font-size: 21px;
}

.ai-panel > p {
  font-size: 14.5px;
}

.ai-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
}

.ai-list li {
  border-top: 1px dashed var(--line-strong);
  padding: 14px 0;
}

.ai-list li:last-child {
  padding-bottom: 0;
}

.ai-list b {
  display: block;
  font-size: 14px;
  color: var(--text);
}

.ai-list p {
  margin-top: 4px;
  font-size: 13px;
  color: var(--mute);
}

/* ---------- 採用向けまとめ ---------- */

.recruit-band {
  text-align: center;
  border: 1px solid var(--line-strong);
  border-radius: 40px;
  padding: 64px 36px;
  background:
    radial-gradient(circle at 18% 18%, rgba(78, 205, 196, 0.15), transparent 38%),
    linear-gradient(135deg, rgba(255, 143, 0, 0.12), rgba(78, 205, 196, 0.06), rgba(255, 255, 255, 0.03));
  box-shadow: 0 28px 100px rgba(0, 0, 0, 0.35);
}

.recruit-band h2 {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.recruit-band > p {
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  font-size: 15.5px;
}

.recruit-points {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 44px;
  text-align: left;
}

.recruit-points article {
  border: 1px solid var(--line);
  background: rgba(8, 9, 11, 0.55);
  border-radius: var(--radius-md);
  padding: 22px 22px 20px;
}

.recruit-points span {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
}

.recruit-points h3 {
  margin-top: 8px;
  font-size: 15.5px;
}

.recruit-points p {
  font-size: 12.5px;
  color: var(--mute);
  margin-top: 8px;
}

.recruit-band .hero-actions {
  justify-content: center;
}

/* ---------- フッター ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 38px 0 46px;
  color: rgba(255, 255, 255, 0.4);
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.site-footer .f-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-footer .f-brand img {
  width: 34px;
  height: 34px;
  border-radius: 10px;
}

.site-footer .f-brand small {
  display: block;
  font-size: 11px;
  color: var(--faint);
}

.site-footer nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  font-weight: 700;
}

.site-footer nav a:hover {
  color: var(--teal);
}

/* ---------- リビール ---------- */

html.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

html.js .reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html.js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ---------- レスポンシブ ---------- */

@media (max-width: 1020px) {
  .site-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-bottom: 64px;
  }

  .hero-visual {
    min-height: 640px;
    max-width: 620px;
    margin: 0 auto;
    width: 100%;
  }

  .metric-strip,
  .recruit-points {
    grid-template-columns: 1fr 1fr;
  }

  .feature-grid,
  .quality-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .arch-grid,
  .process-grid,
  .context-grid,
  .decision-grid,
  .biz-grid,
  .before-after {
    grid-template-columns: 1fr;
  }

  .scene,
  .scene.reverse {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 30px 28px;
  }

  .scene.reverse .scene-text {
    order: 0;
  }
}

@media (max-width: 640px) {
  .wrap {
    padding: 0 18px;
  }

  .section {
    padding: 72px 0;
  }

  .header-cta {
    display: none;
  }

  .hero {
    padding-top: 52px;
  }

  .hero h1 {
    font-size: 25px;
  }

  .app-store-badge {
    height: 48px;
  }

  .hero-visual {
    min-height: auto;
  }

  .hero-visual .phone.one {
    position: relative;
    left: auto;
    top: auto;
    margin: 12px auto 0;
    transform: rotate(0);
  }

  .hero-visual .phone.two,
  .hero-note,
  .hero-visual .glow {
    display: none;
  }

  .metric-strip,
  .feature-grid,
  .quality-grid,
  .screen-grid,
  .recruit-points,
  .plan-row,
  .diagram-external {
    grid-template-columns: 1fr;
  }

  .tech-list > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .scene .phone {
    width: 210px;
  }

  .recruit-band {
    padding: 48px 22px;
    border-radius: 28px;
  }
}