@font-face {
  font-family: "Noto Sans JP PDC";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/fonts/noto-sans-jp-pdc.woff2?v=1") format("woff2");
}

:root {
  --canvas: #f6f7f9;
  --surface: #ffffff;
  --ink: #16181d;
  --muted: #646a75;
  --faint: #8e949e;
  --line: #dfe2e7;
  --line-strong: #c8cdd5;
  --accent: #1f5eff;
  --accent-hover: #174bd1;
  --accent-soft: #edf2ff;
  --success: #16834f;
  --success-soft: #eaf7f0;
  --danger: #b42318;
  --content: 70rem;
  --gutter: clamp(1.25rem, 4vw, 2rem);
  color-scheme: light;
  font-family:
    "Noto Sans JP PDC", "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--canvas);
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

:focus-visible {
  outline: 3px solid rgba(31, 94, 255, 0.28);
  outline-offset: 3px;
}

::selection {
  background: var(--accent);
  color: #fff;
}

.page-shell {
  width: min(100%, calc(var(--content) + var(--gutter) * 2));
  margin: 0 auto;
  padding-right: var(--gutter);
  padding-left: var(--gutter);
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  display: flex;
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  padding-right: max(var(--gutter), calc((100vw - var(--content)) / 2));
  padding-left: max(var(--gutter), calc((100vw - var(--content)) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(246, 247, 249, 0.92);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border-radius: 0.35rem;
  background: var(--ink);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 750;
}

.brand > span:last-child {
  display: grid;
  gap: 0.05rem;
}

.brand strong {
  font-size: 0.86rem;
  line-height: 1.1;
}

.brand small {
  color: var(--muted);
  font-size: 0.68rem;
  line-height: 1.1;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
}

.site-header nav a {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  transition: color 140ms ease;
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
  color: var(--ink);
}

.start {
  display: grid;
  width: min(100%, calc(var(--content) + var(--gutter) * 2));
  min-height: calc(100svh - 4.5rem);
  margin: 0 auto;
  align-items: center;
  gap: clamp(3rem, 5vw, 5rem);
  padding: clamp(4rem, 10vh, 7rem) var(--gutter);
  grid-template-columns: minmax(25rem, 0.9fr) minmax(28rem, 1.1fr);
}

.product-label,
.section-heading > p,
.step-number,
.action-time {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.product-label {
  margin: 0 0 1.35rem;
  color: var(--accent);
  font-size: 0.67rem;
  font-weight: 700;
}

.start h1 {
  margin: 0;
  font-size: clamp(3.3rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.055em;
  white-space: nowrap;
}

.start-summary {
  max-width: 31rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: clamp(0.96rem, 1.3vw, 1.08rem);
  line-height: 1.8;
}

.service-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2rem;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.67rem;
}

.status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0.22rem var(--success-soft);
}

.service-status.is-offline .status-dot {
  background: var(--faint);
  box-shadow: none;
}

.status-note {
  margin-left: 0.3rem;
  padding-left: 0.8rem;
  border-left: 1px solid var(--line-strong);
}

.start-action {
  border: 1px solid var(--line-strong);
  border-radius: 0.75rem;
  background: var(--surface);
  box-shadow: 0 1.25rem 3rem rgba(34, 45, 69, 0.07);
}

.action-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.5rem;
}

.step-number {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--accent);
  font-size: 0.59rem;
  font-weight: 700;
}

.action-heading h2 {
  margin: 0;
  font-size: clamp(1.3rem, 2vw, 1.65rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.action-time {
  flex: 0 0 auto;
  margin-top: 0.2rem;
  color: var(--faint);
  font-size: 0.58rem;
}

.endpoint-control {
  display: grid;
  margin: 0 1.5rem;
  border: 1px solid var(--line-strong);
  border-radius: 0.5rem;
  background: var(--canvas);
  overflow: hidden;
  grid-template-columns: minmax(0, 1fr) auto;
}

.endpoint-control code {
  display: flex;
  min-width: 0;
  align-items: center;
  padding: 1rem;
  overflow: hidden;
  color: #353a43;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: clamp(0.63rem, 1vw, 0.75rem);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.endpoint-control button {
  min-width: 8.75rem;
  padding: 0 1.2rem;
  border: 0;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 700;
  transition: background 140ms ease;
}

.endpoint-control button:hover,
.endpoint-control button:focus-visible {
  background: var(--accent-hover);
}

.endpoint-control button[data-copied="true"] {
  background: var(--success);
}

.endpoint-control button[data-failed="true"] {
  background: var(--danger);
}

.action-next {
  display: flex;
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 1.5rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--line);
  background: #fbfbfc;
  border-radius: 0 0 0.75rem 0.75rem;
}

.action-next p {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.6;
}

.action-next a {
  flex: 0 0 auto;
  color: var(--accent);
  font-size: 0.77rem;
  font-weight: 700;
}

.action-next a:hover {
  text-decoration: underline;
  text-underline-offset: 0.2rem;
}

.setup,
.example,
.more {
  padding-top: clamp(5.5rem, 10vw, 8rem);
  padding-bottom: clamp(5.5rem, 10vw, 8rem);
}

.setup,
.more {
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  gap: 1rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  grid-template-columns: minmax(7rem, 0.3fr) 1fr;
}

.section-heading > p {
  margin: 0.45rem 0 0;
  color: var(--faint);
  font-size: 0.62rem;
  font-weight: 700;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.04em;
}

.setup-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  list-style: none;
}

.setup-list li {
  display: grid;
  min-height: 8rem;
  align-items: center;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
  grid-template-columns: 3rem minmax(0, 1fr) auto;
}

.setup-list li > span {
  display: grid;
  width: 2.2rem;
  height: 2.2rem;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
}

.setup-list h3 {
  margin: 0;
  font-size: 1rem;
}

.setup-list p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.65;
}

.setup-list a {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
}

.setup-list code {
  max-width: 18rem;
  padding: 0.7rem 0.85rem;
  border-radius: 0.35rem;
  background: var(--accent-soft);
  color: #2049ac;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  overflow-wrap: anywhere;
}

.example {
  width: 100%;
  max-width: none;
  padding-right: max(var(--gutter), calc((100vw - var(--content)) / 2));
  padding-left: max(var(--gutter), calc((100vw - var(--content)) / 2));
  background: var(--ink);
  color: #fff;
}

.example .section-heading > p {
  color: #9399a4;
}

.answer {
  display: grid;
  border-top: 1px solid #3c4048;
  grid-template-columns: 1fr 1fr;
}

.answer-main {
  display: flex;
  min-height: 23rem;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem clamp(2rem, 5vw, 5rem) 2rem 0;
  border-right: 1px solid #3c4048;
}

.answer-question {
  margin: 0;
  color: #b4bac4;
  font-size: 0.85rem;
}

.answer-value {
  margin: 0;
  font-size: clamp(3.6rem, 7vw, 6.6rem);
  font-weight: 650;
  line-height: 0.95;
  letter-spacing: -0.055em;
  font-variant-numeric: tabular-nums;
}

.answer-value span {
  color: #b4bac4;
  font-size: 0.85rem;
  letter-spacing: 0;
}

.answer-evidence {
  align-self: end;
  margin: 0;
  padding-left: clamp(2rem, 5vw, 5rem);
}

.answer-evidence > div {
  display: grid;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid #3c4048;
  grid-template-columns: 6.5rem 1fr;
}

.answer-evidence dt,
.answer-evidence dd {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.6;
}

.answer-evidence dt {
  color: #9399a4;
}

.answer-evidence dd {
  color: #e2e5e9;
}

.answer-evidence a:hover {
  text-decoration: underline;
  text-underline-offset: 0.2rem;
}

.pass-mark {
  color: #65d89a;
}

.more-links {
  border-top: 1px solid var(--line-strong);
}

.more-links > a {
  display: flex;
  min-height: 6.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--line);
}

.more-links > a > span {
  display: grid;
  gap: 0.45rem;
}

.more-links strong {
  font-size: 1rem;
}

.more-links small {
  color: var(--muted);
  font-size: 0.76rem;
}

.more-links i {
  color: var(--accent);
  font-size: 1.05rem;
  font-style: normal;
  transition: transform 140ms ease;
}

.more-links a:hover i,
.more-links a:focus-visible i {
  transform: translate(0.18rem, -0.18rem);
}

.site-footer {
  display: flex;
  min-height: 7rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.7rem;
}

.site-footer div {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

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

@media (max-width: 800px) {
  .site-header {
    min-height: 4rem;
  }

  .site-header nav a:not(:last-child) {
    display: none;
  }

  .start {
    min-height: auto;
    gap: 3.5rem;
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
    grid-template-columns: 1fr;
  }

  .start-copy {
    max-width: 35rem;
  }

  .start-action {
    max-width: 40rem;
  }

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

  .answer-main {
    min-height: 18rem;
    padding-right: 0;
    border-right: 0;
  }

  .answer-evidence {
    padding-left: 0;
  }
}

@media (max-width: 540px) {
  .brand small {
    display: none;
  }

  .start {
    gap: 2.75rem;
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }

  .start h1 {
    font-size: clamp(2.8rem, 12.2vw, 3.05rem);
  }

  .start-summary {
    font-size: 0.9rem;
  }

  .start-action {
    border-radius: 0.6rem;
  }

  .action-heading {
    padding: 1.2rem;
  }

  .endpoint-control {
    margin: 0 1.2rem;
    grid-template-columns: 1fr;
  }

  .endpoint-control code {
    min-height: 3.25rem;
    padding: 0.8rem;
    font-size: 0.59rem;
  }

  .endpoint-control button {
    min-height: 3.25rem;
  }

  .action-next {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.2rem;
    padding: 1rem 1.2rem;
  }

  .section-heading {
    gap: 0.6rem;
    grid-template-columns: 1fr;
  }

  .setup-list li {
    min-height: 0;
    align-items: start;
    gap: 1rem;
    grid-template-columns: 2.4rem 1fr;
  }

  .setup-list li > a,
  .setup-list li > code {
    grid-column: 2;
    justify-self: start;
  }

  .answer-main {
    min-height: 15rem;
  }

  .answer-value {
    font-size: clamp(3.2rem, 17vw, 4.8rem);
  }

  .answer-evidence > div {
    gap: 0.5rem;
    grid-template-columns: 5.5rem 1fr;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}