html {
  scroll-behavior: smooth;
}

:root {
  /* Base surfaces */
  --color-base-deep: #030B18;
  --color-base-mid: #061426;
  --color-surface: #081B33;
  --color-surface-glass: rgba(8, 27, 51, 0.6);
  --color-surface-glass-soft: rgba(8, 27, 51, 0.38);

  /* Blue: 塗り用とテキスト用を分離 */
  --color-primary-cta: #2563EB;
  --color-primary-cta-hover: #1D4ED8;
  --color-primary-text: #3B82F6;
  --color-electric: #168BFF;
  --color-cyan: #22D3EE;
  --color-light-blue: #60A5FA;

  /* Text */
  --color-text: #F8FAFC;
  --color-text-muted: #CBD5E1;
  --color-text-faint: #94A3B8;

  /* Border / Glow */
  --color-border: rgba(148, 163, 184, 0.16);
  --color-border-strong: rgba(148, 163, 184, 0.28);
  --color-border-glow: rgba(37, 99, 235, 0.4);
  --color-border-cyan: rgba(34, 211, 238, 0.25);
  --glow-primary: 0 0 60px rgba(37, 99, 235, 0.4);
  --glow-cyan: 0 0 60px rgba(34, 211, 238, 0.25);
  --shadow-card: 0 8px 24px rgba(3, 11, 24, 0.45);
  --shadow-card-hover: 0 16px 40px rgba(3, 11, 24, 0.6), 0 0 32px rgba(37, 99, 235, 0.18);

  /* Layout */
  --max-width: 1140px;
  --radius: 14px;
  --radius-card: 20px;
  --radius-panel: 28px;

  /* Typography */
  --font-jp: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "Segoe UI", sans-serif;
  --font-en: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --transition-base: 0.2s ease;
  --transition-slow: 0.6s ease;
}

* {
  box-sizing: border-box;
}

html, body {
  max-width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-jp);
  color: var(--color-text);
  background-color: var(--color-base-deep);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
  word-break: break-word;
}

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

a {
  color: var(--color-primary-text);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-light-blue);
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4 {
  color: var(--color-text);
  line-height: 1.4;
  margin: 0;
}

p {
  margin: 0;
}

:focus-visible {
  outline: 3px solid var(--color-cyan);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.mobile-break {
  display: none;
}

/* ============================
   Section heading pattern
============================ */

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary-text);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.section-lead {
  color: var(--color-text-muted);
  font-size: 1rem;
  max-width: 640px;
  margin-bottom: 40px;
}

.section-head {
  text-align: center;
  margin: 0 auto 48px;
  max-width: 700px;
}

.section-head .section-lead {
  margin-left: auto;
  margin-right: auto;
}

section {
  padding: 96px 0;
  position: relative;
}

@media (max-width: 640px) {
  section {
    padding: 64px 0;
  }
}

/* ============================
   Glass panel (共通ユーティリティ)
============================ */

.glass-panel {
  background: var(--color-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

/* ============================
   Buttons
============================ */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.button-primary {
  background-color: var(--color-primary-cta);
  color: #ffffff;
}

.button-primary:hover {
  background-color: var(--color-primary-cta-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(37, 99, 235, 0.35);
}

.button-outline {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-border-glow);
}

.button-outline:hover {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.25);
}

.button-white {
  background-color: #ffffff;
  color: var(--color-primary-cta);
}

.button-white:hover {
  background-color: #E9F0FF;
  color: var(--color-primary-cta-hover);
  transform: translateY(-2px);
}

.button-block {
  width: 100%;
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-primary-text);
}

.link-arrow:hover {
  color: var(--color-light-blue);
}

.link-arrow::after {
  content: "→";
  transition: transform 0.15s ease;
}

.link-arrow:hover::after {
  transform: translateX(4px);
}

/* ============================
   Header
============================ */

header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  background-color: rgba(3, 11, 24, 0.78);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--color-border);
}

.site-brand {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.site-brand-name {
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.site-brand-role {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: var(--color-primary-text);
}

/* footer等、1行のみのロゴ表記用(既存クラス名を維持) */
.site-name {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.site-name span {
  color: var(--color-primary-text);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  z-index: 110;
}

.menu-toggle span {
  display: block;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

header nav ul {
  display: flex;
  align-items: center;
  gap: 32px;
}

header nav a {
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
}

header nav a:hover {
  color: var(--color-primary-text);
}

header nav .nav-cta {
  padding: 10px 22px;
  border-radius: 999px;
  background-color: transparent;
  border: 1px solid var(--color-border-glow);
  color: var(--color-text) !important;
  font-weight: 700;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), color var(--transition-base);
}

header nav .nav-cta:hover {
  border-color: var(--color-cyan);
  color: var(--color-cyan) !important;
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.28);
}

/* ============================
   Hero
============================ */

#hero {
  position: relative;
  padding-top: 72px;
  padding-bottom: 80px;
  overflow: hidden;
  background-color: var(--color-base-deep);
}

.hero-bg-glow {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-bg-glow::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 75%;
  height: 90%;
  background: radial-gradient(circle, rgba(22, 139, 255, 0.32), transparent 65%);
  filter: blur(20px);
}

.hero-bg-glow::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 60%;
  height: 70%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.16), transparent 65%);
  filter: blur(20px);
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 65% 25%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 65% 25%, black 0%, transparent 70%);
  opacity: 0.7;
}

.hero-light-streak {
  position: absolute;
  z-index: 0;
  top: 8%;
  right: -10%;
  width: 60%;
  height: 340px;
  background: linear-gradient(100deg, transparent, rgba(37, 99, 235, 0.22), transparent);
  transform: rotate(-8deg);
  filter: blur(6px);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-content,
.hero-visual {
  min-width: 0;
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary-text);
  margin-bottom: 22px;
}

.hero-title-en {
  font-family: var(--font-en);
  font-size: clamp(2.4rem, 7.2vw, 5.2rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--color-text);
  overflow-wrap: break-word;
}

.hero-title-gradient {
  display: inline-block;
  background: linear-gradient(90deg, var(--color-primary-text), var(--color-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-copy-jp {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 18px;
  line-height: 1.6;
}

.hero-desc {
  color: var(--color-text-muted);
  font-size: 1.02rem;
  max-width: 560px;
  margin-bottom: 32px;
}

.hero-subline {
  display: block;
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-text-faint);
  margin-top: 28px;
}

/* Hero dashboard (CSS/SVGのみで構築、実績数値・KPIは一切表示しない) */

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

.hero-dashboard-wrap {
  position: relative;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}

.hero-dashboard-panel {
  position: relative;
  z-index: 2;
  background: var(--color-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-panel);
  padding: 22px;
  box-shadow: 0 24px 60px rgba(3, 11, 24, 0.55), var(--glow-primary);
}

.hero-dashboard-topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}

.hero-dashboard-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border-strong);
}

.hero-dashboard-topbar-label {
  margin-left: auto;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  text-transform: uppercase;
}

.hero-dashboard-flow {
  position: relative;
  height: 80px;
  margin-bottom: 18px;
  border-radius: 10px;
  background: rgba(37, 99, 235, 0.06);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.hero-dashboard-flow svg {
  width: 100%;
  height: 100%;
}

.hero-dashboard-flow-line {
  fill: none;
  stroke: url(#portfolio-line-gradient);
  stroke-width: 1.6;
  stroke-dasharray: 6 6;
  animation: hero-dash-flow 6s linear infinite;
}

.hero-dashboard-flow-node {
  fill: var(--color-base-deep);
  stroke: var(--color-cyan);
  stroke-width: 1.6;
}

.hero-dashboard-flow-node-fill {
  fill: var(--color-cyan);
}

.hero-dashboard-status-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  min-width: 0;
}

.hero-dashboard-status-card {
  min-width: 0;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
}

.hero-dashboard-status-label {
  display: block;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.hero-dashboard-status-value {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 8px rgba(34, 211, 238, 0.8);
  flex-shrink: 0;
}

.hero-dashboard-floating {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: calc(100% - 20px);
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--color-surface-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border-strong);
  box-shadow: 0 12px 28px rgba(3, 11, 24, 0.45);
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--color-text);
}

.hero-dashboard-floating .status-dot {
  background: var(--color-primary-text);
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.8);
}

.hero-dashboard-floating-a {
  top: -16px;
  left: -14px;
  animation: hero-float-a 5s ease-in-out infinite;
}

.hero-dashboard-floating-b {
  bottom: -14px;
  right: -10px;
  animation: hero-float-b 6s ease-in-out infinite;
}

@keyframes hero-float-a {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes hero-float-b {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(7px); }
}

@keyframes hero-dash-flow {
  to { stroke-dashoffset: -120; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-dashboard-floating-a,
  .hero-dashboard-floating-b,
  .hero-dashboard-flow-line {
    animation: none;
  }
}

/* ============================
   Cards (services / strength / works)
============================ */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

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

.card-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Writingセクションのテイザー用グリッド(旧: works-featured-grid) */
.writing-teaser-grid {
  grid-template-columns: repeat(2, 1fr);
}

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

.card {
  background: var(--color-surface-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-glow);
}

.card-number {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-primary-text);
  margin-bottom: 14px;
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.card-price {
  display: block;
  font-family: var(--font-en);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-text);
  margin: 14px 0;
}

.card-list {
  margin: 16px 0 20px;
}

.card-list li {
  position: relative;
  padding-left: 18px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.card-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-primary-text);
}

/* Works cards */

.work-card-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 14px;
  margin-bottom: 16px;
  border: 1px solid var(--color-border);
}

.work-tag {
  display: inline-block;
  font-family: var(--font-en);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background-color: rgba(37, 99, 235, 0.12);
  color: var(--color-light-blue);
  margin-bottom: 12px;
}

.badge {
  display: inline-block;
  font-family: var(--font-en);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  margin-left: 8px;
}

.badge-sample {
  background-color: rgba(59, 130, 246, 0.14);
  color: var(--color-light-blue);
}

.badge-paid {
  background-color: rgba(34, 211, 238, 0.14);
  color: #7DE7F5;
}

.badge-limited {
  display: inline-block;
  font-family: var(--font-en);
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--color-light-blue);
  border: 1px solid var(--color-border-glow);
  margin-top: 6px;
}

.card-meta {
  font-size: 0.82rem !important;
  color: var(--color-text-faint);
  margin-top: 8px !important;
}

.card-meta strong {
  color: var(--color-text-muted);
}

.card-links {
  margin-top: 18px;
}

.works-more {
  margin-top: 48px;
  text-align: center;
}

.works-notice {
  background: var(--color-surface-glass-soft);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 16px 20px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 40px;
}

/* ============================
   Service (番号+名前+説明+価格のリスト)
============================ */

.service-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.service-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1.6fr) minmax(0, 1fr);
  align-items: center;
  gap: 28px;
  background: var(--color-surface-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 28px 32px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.service-row:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-glow);
}

.service-row-number {
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-primary-text);
}

.service-row-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.service-row-body p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin-bottom: 10px;
}

.service-row-bullets {
  color: var(--color-text-faint);
  font-size: 0.82rem;
}

.service-row-price {
  text-align: right;
}

.service-row-price .card-price {
  margin: 0 0 8px;
}

.service-row-link {
  margin-top: 10px;
}

@media (max-width: 768px) {
  .service-row {
    grid-template-columns: 1fr;
    text-align: left;
    gap: 12px;
  }

  .service-row-price {
    text-align: left;
  }
}

/* ============================
   Strength(縦ライン+丸アイコン)
============================ */

.strength-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.strength-item {
  position: relative;
  padding-top: 8px;
}

.strength-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid var(--color-border-glow);
  box-shadow: 0 0 24px rgba(37, 99, 235, 0.2);
  font-family: var(--font-en);
  font-weight: 800;
  color: var(--color-primary-text);
  margin-bottom: 18px;
}

.strength-connector {
  display: none;
}

.strength-item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.strength-item p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

@media (max-width: 960px) {
  .strength-list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .strength-item {
    padding-left: 70px;
    padding-top: 0;
    padding-bottom: 32px;
    min-height: 52px;
  }

  .strength-item::before {
    content: "";
    position: absolute;
    left: 25px;
    top: 60px;
    bottom: -4px;
    width: 1px;
    background: linear-gradient(180deg, var(--color-primary-text), transparent);
  }

  .strength-item:last-child::before {
    display: none;
  }

  .strength-icon {
    position: absolute;
    left: 0;
    top: 0;
    margin-bottom: 0;
  }
}

/* ============================
   Skills / Tools
============================ */

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

.tool-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  padding: 24px 16px;
  background: var(--color-surface-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.tool-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-glow);
  box-shadow: var(--shadow-card-hover);
}

.tool-icon {
  width: 32px;
  height: 32px;
  color: var(--color-cyan);
}

.tool-icon svg {
  width: 100%;
  height: 100%;
}

.tool-label {
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
}

@media (max-width: 960px) {
  .tool-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 680px) {
  .tool-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================
   Flow(横方向タイムライン)
============================ */

.flow-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.flow-timeline::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 19px;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary-text), var(--color-cyan));
  opacity: 0.4;
}

.flow-step {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}

.flow-marker {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-base-deep);
  border: 1px solid var(--color-border-strong);
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.2);
}

.flow-step-number {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--color-cyan);
}

.flow-step h3 {
  font-size: 0.95rem;
  font-weight: 700;
}

@media (max-width: 1200px) {
  .flow-timeline {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 40px;
  }

  .flow-timeline::before {
    display: none;
  }
}

@media (max-width: 680px) {
  .flow-timeline {
    grid-template-columns: 1fr;
    row-gap: 0;
    padding-left: 20px;
  }

  .flow-step {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    gap: 18px;
    padding-bottom: 32px;
    position: relative;
  }

  .flow-step::before {
    content: "";
    position: absolute;
    left: 19px;
    top: 40px;
    bottom: -4px;
    width: 1px;
    background: linear-gradient(180deg, var(--color-primary-text), var(--color-cyan));
    opacity: 0.4;
  }

  .flow-step:last-child::before {
    display: none;
  }

  .flow-step h3 {
    padding-top: 8px;
  }
}

/* ============================
   About
============================ */

.about-inner {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.about-name {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.about-photo-frame {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto 20px;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(135deg, var(--color-primary-cta), var(--color-cyan));
  box-shadow: var(--glow-primary);
}

.about-photo {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--color-base-deep);
  transition: transform 0.2s ease;
}

.about-photo:hover {
  transform: scale(1.03);
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 18px;
}

/* ============================
   FAQ accordion
============================ */

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--color-surface-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border-glow);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  cursor: pointer;
}

.faq-question .faq-q-label {
  color: var(--color-primary-text);
  margin-right: 10px;
}

.faq-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  position: relative;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background-color: var(--color-primary-text);
  border-radius: 2px;
  transition: transform 0.2s ease;
}

.faq-icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
}

.faq-icon::after {
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
}

.faq-item.is-open .faq-icon::after {
  transform: translateX(-50%) scaleY(0);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}

.faq-answer p {
  padding: 0 24px 22px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ============================
   Final CTA
============================ */

.final-cta {
  position: relative;
  overflow: hidden;
  background: var(--color-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border-glow);
  box-shadow: var(--glow-primary);
  border-radius: var(--radius-panel);
  padding: 72px 40px;
  text-align: center;
}

.final-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(circle at 30% 20%, rgba(37, 99, 235, 0.35), transparent 55%),
              radial-gradient(circle at 80% 80%, rgba(34, 211, 238, 0.2), transparent 55%);
  pointer-events: none;
}

.final-cta > * {
  position: relative;
  z-index: 1;
}

.final-cta .section-title,
.final-cta h2 {
  color: var(--color-text);
}

.final-cta p {
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto 32px;
}

.final-cta-wrap {
  padding: 96px 0;
}

/* ============================
   Footer
============================ */

footer {
  border-top: 1px solid var(--color-border-glow);
  padding: 48px 0 32px;
  background-color: var(--color-base-deep);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.footer-brand {
  line-height: 1.5;
}

.footer-tagline {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-nav a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.footer-nav a:hover {
  color: var(--color-primary-text);
}

.footer-copy {
  color: var(--color-text-faint);
  font-size: 0.82rem;
  text-align: center;
}

/* ============================
   Page intro (works / contact)
============================ */

.page-intro {
  padding-top: 64px;
  padding-bottom: 24px;
  text-align: center;
}

.page-intro .section-eyebrow {
  display: block;
}

.page-intro h1 {
  font-size: clamp(1.8rem, 3.6vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.page-intro p {
  color: var(--color-text-muted);
  max-width: 620px;
  margin: 0 auto;
}

/* ============================
   Contact form
============================ */

#contact-form {
  padding-top: 70px;
}

.contact-layout {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-text);
}

.form-optional {
  color: var(--color-text-faint);
  font-weight: 500;
  font-size: 0.8rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="url"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--color-text);
  background-color: var(--color-surface);
}

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

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid var(--color-cyan);
  outline-offset: 1px;
  border-color: var(--color-cyan);
}

.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.radio-option:has(input:checked) {
  border-color: var(--color-border-glow);
  background-color: rgba(37, 99, 235, 0.12);
  color: var(--color-light-blue);
  font-weight: 700;
}

/* ============================
   Scroll reveal
============================ */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .card:hover,
  .service-row:hover,
  .tool-card:hover,
  .button:hover {
    transform: none;
  }
}

/* ============================
   Responsive
============================ */

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    margin-top: 40px;
  }

  .card-grid,
  .card-grid-2,
  .card-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-inner {
    grid-template-columns: 1fr;
  }
}

/* SERVICE・PRICEのみ: 768px以下は1列(他セクションの挙動は変更しない) */
@media (max-width: 768px) {
  #price .card-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .mobile-break {
    display: inline;
  }

  .hero-visual {
    margin-top: 32px;
  }

  .hero-dashboard-panel {
    padding: 16px;
  }

  .hero-dashboard-topbar {
    margin-bottom: 12px;
  }

  .hero-dashboard-flow {
    height: 56px;
    margin-bottom: 12px;
  }

  .hero-dashboard-status-grid {
    gap: 8px;
  }

  .hero-dashboard-status-card {
    padding: 9px 10px;
  }

  .about-photo-frame {
    width: 160px;
    height: 160px;
  }

  header {
    padding: 16px 20px;
  }

  .menu-toggle {
    display: flex;
  }

  header nav {
    position: fixed;
    inset: 64px 0 0 0;
    background-color: rgba(3, 11, 24, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 24px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  header nav.nav-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  header nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  header nav .nav-cta {
    width: 100%;
    text-align: center;
  }

  .container {
    padding: 0 20px;
  }

  .card-grid,
  .card-grid-2,
  .card-grid-4 {
    grid-template-columns: 1fr;
  }

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

  .button-group {
    flex-direction: column;
  }

  .button-group .button {
    width: 100%;
  }

  .final-cta {
    padding: 48px 24px;
  }

  .contact-layout {
    padding: 28px 20px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}