/* PHP脆弱性かんたんチェック */

:root {
  --bg: #f4f1ea;
  --bg-elev: #fffdf8;
  --ink: #16181b;
  --ink-2: #4a4f57;
  --ink-3: #7a7f87;
  --line: #ddd7ca;
  --line-strong: #c6bfb0;
  --housing: #1b1d20;
  --housing-edge: #2c2f34;
  --lamp-off: #33363b;

  --red: #e0362c;
  --red-ink: #b3221a;
  --red-wash: #fbe4e1;
  --yellow: #f2b01e;
  --yellow-ink: #8a5d00;
  --yellow-wash: #fdf0cf;
  --green: #12a36b;
  --green-ink: #0b7149;
  --green-wash: #dcf3e8;
  --gray: #8b9097;
  --gray-ink: #50555c;
  --gray-wash: #e8e6e1;

  --focus: #2b6de8;
  --radius: 18px;
  --radius-sm: 10px;
  --shadow: 0 1px 0 rgba(22, 24, 27, 0.04), 0 12px 32px -18px rgba(22, 24, 27, 0.35);

  --font: "Zen Kaku Gothic New", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI",
    "Meiryo", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1113;
    --bg-elev: #171a1d;
    --ink: #eceae4;
    --ink-2: #b4b2ac;
    --ink-3: #85847f;
    --line: #2a2d31;
    --line-strong: #3a3e43;
    --housing: #08090a;
    --housing-edge: #24272b;
    --lamp-off: #1e2124;

    --red: #ff5a4e;
    --red-ink: #ff8a80;
    --red-wash: #2d1513;
    --yellow: #ffc23d;
    --yellow-ink: #ffd36e;
    --yellow-wash: #2b230f;
    --green: #2fd18f;
    --green-ink: #6fe3b2;
    --green-wash: #10261d;
    --gray: #9aa0a7;
    --gray-ink: #c3c7cc;
    --gray-wash: #1f2226;

    --focus: #7aa7ff;
    --shadow: 0 1px 0 rgba(0, 0, 0, 0.4), 0 16px 40px -20px rgba(0, 0, 0, 0.8);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-underline-offset: 0.2em;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 6px;
}

[hidden] {
  display: none !important;
}

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 16px;
  top: 12px;
  background: var(--bg-elev);
  padding: 12px 14px;
  z-index: 10;
}

.nowrap {
  white-space: nowrap;
}

/* ヘッダ */
.site-header {
  padding: max(16px, env(safe-area-inset-top)) 20px 0;
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 15px;
}

.brand-mark {
  display: inline-flex;
  gap: 3px;
  padding: 4px 6px;
  border-radius: 999px;
  background: var(--housing);
  box-shadow: inset 0 0 0 1px var(--housing-edge);
}
.brand-mark i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: block;
}
.brand-mark i:nth-child(1) {
  background: var(--green);
}
.brand-mark i:nth-child(2) {
  background: var(--yellow);
}
.brand-mark i:nth-child(3) {
  background: var(--red);
}

/* 本文 */
main {
  flex: 1;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 28px 20px 48px;
}

.hero-title {
  margin: 0;
  font-size: clamp(34px, 9.4vw, 60px);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.hero-sub {
  margin: 18px 0 28px;
  color: var(--ink-2);
  font-size: 15.5px;
  max-width: 36em;
}

/* フォーム */
.check-form {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.field-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-2);
  margin-bottom: 8px;
}

.field input {
  width: 100%;
  font: inherit;
  font-family: var(--mono);
  font-size: 17px; /* iOS でズームしない大きさ */
  padding: 15px 16px;
  border-radius: 12px;
  border: 1.5px solid var(--line-strong);
  background: var(--bg);
  color: var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.field input::placeholder {
  color: var(--ink-3);
}
.field input:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--ink) 12%, transparent);
}

.turnstile {
  margin: 14px 0 0;
  min-height: 65px;
}

.btn-primary {
  position: relative;
  width: 100%;
  margin-top: 14px;
  padding: 16px 20px;
  border: 0;
  border-radius: 12px;
  background: var(--ink);
  color: var(--bg);
  font: inherit;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: transform 0.12s, opacity 0.15s;
}
.btn-primary:hover {
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-primary:disabled {
  cursor: progress;
  opacity: 0.85;
}

.btn-spinner {
  display: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2.5px solid color-mix(in srgb, var(--bg) 35%, transparent);
  border-top-color: var(--bg);
  animation: spin 0.8s linear infinite;
}
.btn-primary.is-busy .btn-spinner {
  display: inline-block;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.form-error {
  margin: 14px 0 0;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--red-wash);
  color: var(--red-ink);
  font-size: 14.5px;
  font-weight: 500;
}

.note-estimate {
  margin: 16px 2px 0;
  font-size: 13px;
  color: var(--ink-3);
}

/* 説明 */
.explain {
  margin-top: 40px;
  padding-top: 14px;
  border-top: 2px solid var(--ink);
}
.explain h2 {
  margin: 0 0 6px;
  font-size: 16px;
}
.explain p {
  margin: 0 0 10px;
  color: var(--ink-2);
  font-size: 15px;
}

.about-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 700;
  font-size: 15px;
}
.about-link::after {
  content: "→";
  margin-left: 6px;
  font-family: var(--mono);
}

.more,
.evidence {
  margin-top: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
}
.more summary,
.evidence summary {
  cursor: pointer;
  padding: 14px 16px;
  font-weight: 700;
  font-size: 14.5px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.more summary::-webkit-details-marker,
.evidence summary::-webkit-details-marker {
  display: none;
}
.more summary::after,
.evidence summary::after {
  content: "";
  width: 9px;
  height: 9px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.2s;
  flex: none;
}
.more[open] summary::after,
.evidence[open] summary::after {
  transform: rotate(-135deg) translate(-2px, -2px);
}
.more-body {
  padding: 0 16px 14px;
  font-size: 14px;
  color: var(--ink-2);
}

.mini-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  font-family: var(--mono);
}
.mini-table th,
.mini-table td {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--line);
}
.mini-table th {
  font-family: var(--font);
  font-size: 12px;
  color: var(--ink-3);
}

/* 結果 */
.result-host {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--ink-3);
  overflow-wrap: anywhere;
}

.result-card {
  --c: var(--gray);
  --c-ink: var(--gray-ink);
  --c-wash: var(--gray-wash);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.result-card[data-level="red"] {
  --c: var(--red);
  --c-ink: var(--red-ink);
  --c-wash: var(--red-wash);
}
.result-card[data-level="yellow"] {
  --c: var(--yellow);
  --c-ink: var(--yellow-ink);
  --c-wash: var(--yellow-wash);
}
.result-card[data-level="green"] {
  --c: var(--green);
  --c-ink: var(--green-ink);
  --c-wash: var(--green-wash);
}

/* 信号機 */
.signal {
  position: relative;
  display: flex;
  justify-content: center;
  gap: clamp(10px, 4vw, 18px);
  padding: 26px 20px;
  background: var(--housing);
  border-bottom: 4px solid var(--c);
}
.lamp {
  width: clamp(54px, 18vw, 76px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--lamp-off);
  box-shadow: inset 0 3px 8px rgba(0, 0, 0, 0.55), 0 0 0 4px var(--housing-edge);
  transition: background 0.4s, box-shadow 0.4s;
}
.result-card[data-level="red"] .lamp-red,
.result-card[data-level="yellow"] .lamp-yellow,
.result-card[data-level="green"] .lamp-green {
  background: radial-gradient(circle at 38% 34%, #fff 0 6%, var(--c) 34% 100%);
  box-shadow: 0 0 0 4px var(--housing-edge), 0 0 28px 4px color-mix(in srgb, var(--c) 70%, transparent),
    0 0 64px 10px color-mix(in srgb, var(--c) 30%, transparent);
  animation: lamp-on 0.6s ease-out both;
}
@keyframes lamp-on {
  from {
    filter: brightness(0.4);
  }
  to {
    filter: brightness(1);
  }
}
.lamp-gray {
  display: none;
}
.result-card[data-level="gray"] .lamp {
  opacity: 0.55;
}
.result-card[data-level="gray"] .lamp-gray {
  display: grid;
  place-items: center;
  position: absolute;
  inset: 0;
  color: var(--gray);
  font-size: 40px;
  font-weight: 900;
  text-shadow: 0 0 18px rgba(0, 0, 0, 0.8);
}

.result-head {
  padding: 22px 20px 24px;
}

.result-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px 4px 6px;
  border-radius: 999px;
  background: var(--c-wash);
  color: var(--c-ink);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
}

/* 色だけに頼らないよう、形の違うアイコンを付ける */
.result-icon {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
  background: var(--c);
}
.result-card[data-level="red"] .result-icon {
  clip-path: polygon(30% 0, 70% 0, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0 70%, 0 30%);
}
.result-card[data-level="red"] .result-icon::before {
  content: "!";
}
.result-card[data-level="yellow"] .result-icon {
  clip-path: polygon(50% 4%, 100% 96%, 0 96%);
  color: #1b1d20;
  padding-top: 5px;
  font-size: 12px;
}
.result-card[data-level="yellow"] .result-icon::before {
  content: "!";
}
.result-card[data-level="green"] .result-icon {
  border-radius: 50%;
}
.result-card[data-level="green"] .result-icon::before {
  content: "✓";
}
.result-card[data-level="gray"] .result-icon {
  border-radius: 6px;
}
.result-card[data-level="gray"] .result-icon::before {
  content: "?";
}

.result-title {
  margin: 12px 0 8px;
  font-size: clamp(26px, 7vw, 36px);
  line-height: 1.3;
  font-weight: 900;
  outline: none;
}

.result-message {
  margin: 0;
  color: var(--ink-2);
  font-size: 16px;
}

.evidence-list {
  margin: 0;
  padding: 0 16px 4px 2.2em;
  font-size: 14.5px;
  color: var(--ink-2);
}
.evidence-raw-wrap {
  padding: 8px 16px 0;
}
.evidence-raw-label {
  margin: 0 0 6px;
  font-size: 12px;
  color: var(--ink-3);
}
.evidence-raw {
  margin: 0;
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.evidence-meta {
  margin: 10px 16px 14px;
  font-size: 12px;
  color: var(--ink-3);
}

/* 対処方法（タブ） */
.actions {
  margin-top: 32px;
}
.actions p {
  margin: 0 0 12px;
  color: var(--ink-2);
}

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  border-radius: 14px;
  background: var(--gray-wash);
  margin-bottom: 18px;
}
.tab {
  min-height: 48px;
  border: 0;
  border-radius: 10px;
  padding: 11px 8px;
  background: transparent;
  color: var(--ink-2);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
  cursor: pointer;
}
.tab[aria-selected="true"] {
  background: var(--bg-elev);
  color: var(--ink);
  box-shadow: 0 1px 0 rgba(22, 24, 27, 0.06), 0 4px 12px -6px rgba(22, 24, 27, 0.3);
}

.visitor-lead {
  font-size: 16px;
  color: var(--ink) !important;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
  border: 1px solid var(--line);
}
.links-title {
  margin-top: 20px !important;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.option {
  margin: 0 0 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
}
.option h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 900;
}
.option .action-link,
.option .slot,
.option .copy-box {
  margin-bottom: 0;
}

.result-hosting {
  margin: 10px 0 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-ink);
}
.field-hint {
  margin: 8px 2px 0;
  font-size: 13px;
  color: var(--ink-3);
}

.steps {
  counter-reset: s;
  list-style: none;
  margin: 4px 0 16px;
  padding: 0;
}
.steps li {
  counter-increment: s;
  position: relative;
  padding: 12px 14px 12px 52px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  font-size: 15px;
}
.steps li::before {
  content: counter(s);
  position: absolute;
  left: 14px;
  top: 12px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bg);
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
}

.copy-box {
  display: flex;
  align-items: stretch;
  margin: 0 0 14px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.copy-box.code {
  background: var(--housing);
  color: #e8e6e1;
}
.copy-box.code code {
  flex: 1;
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 13.5px;
  overflow-x: auto;
  white-space: pre;
}
.copy-box.code .copy {
  border-left: 1px solid var(--housing-edge);
  color: #b9b7b1;
}
.copy-box.code .copy:hover {
  color: #fff;
}
.copy-message {
  flex-direction: column;
  border: 1px solid var(--line-strong);
  background: var(--bg);
}
.copy-message p {
  margin: 0 !important;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink) !important;
  user-select: all;
}
.copy-message .copy {
  border-top: 1px solid var(--line-strong);
  padding: 12px 14px;
  background: var(--ink);
  color: var(--bg);
  font-weight: 700;
  font-size: 14px;
}
.copy {
  flex: none;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 12.5px;
  padding: 0 14px;
  cursor: pointer;
}

.action-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 4px 0 16px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--ink);
  font-weight: 700;
  text-decoration: none;
}
.action-link::after {
  content: "→";
  font-family: var(--mono);
}

/* アフィリエイト枠・広告枠（MVP はプレースホルダ） */
.slot,
.ad-slot {
  position: relative;
  margin: 12px 0 14px;
  padding: 18px 16px 18px 52px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--line-strong);
  color: var(--ink-3);
  font-size: 14px;
}
.slot-pr {
  position: absolute;
  left: 14px;
  top: 18px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border: 1px solid currentColor;
  border-radius: 4px;
  padding: 0 5px;
  line-height: 1.6;
}
.slot-text {
  margin: 0 !important;
}
.ad-slot {
  min-height: 100px;
  margin-top: 28px;
}

.result-footer {
  margin-top: 28px;
}
.btn-secondary {
  width: 100%;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1.5px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.btn-secondary:hover {
  border-color: var(--ink);
}

/* フッタ */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 20px 20px max(24px, env(safe-area-inset-bottom));
  font-size: 13px;
  color: var(--ink-3);
}
.site-footer nav {
  max-width: 680px;
  margin: 0 auto 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 0 18px;
}
/* 指でも押し分けられるよう、リンクの高さを 44px にする */
.site-footer nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.site-footer p {
  max-width: 680px;
  margin: 0 auto;
}

/* 固定ページ（規約・解説など） */
.page h1 {
  font-size: clamp(26px, 7vw, 36px);
  line-height: 1.3;
  font-weight: 900;
  margin: 0 0 16px;
}
.page h2 {
  font-size: 19px;
  margin: 32px 0 8px;
}
.page p,
.page li {
  color: var(--ink-2);
}
.page h3 {
  font-size: 16px;
  margin: 24px 0 6px;
}
.page table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.page th,
.page td {
  text-align: left;
  padding: 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.page code {
  font-family: var(--mono);
  font-size: 0.92em;
  padding: 1px 5px;
  border-radius: 5px;
  background: var(--gray-wash);
  overflow-wrap: anywhere;
}
.page pre {
  margin: 0 0 16px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--housing);
  color: #e8e6e1;
  overflow-x: auto;
}
.page pre code {
  padding: 0;
  background: none;
  color: inherit;
  overflow-wrap: normal;
}
.page-back {
  margin-top: 40px;
}
.page .placeholder {
  padding: 14px 16px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--ink-3);
}

/* お問い合わせ */
.contact-form .row {
  margin-bottom: 16px;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  font: inherit;
  font-size: 16px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1.5px solid var(--line-strong);
  background: var(--bg);
  color: var(--ink);
}
.contact-form textarea {
  min-height: 180px;
  resize: vertical;
}
.contact-form .optional {
  font-weight: 500;
  color: var(--ink-3);
}
.form-done {
  padding: 16px;
  border-radius: var(--radius-sm);
  background: var(--green-wash);
  color: var(--green-ink);
  font-weight: 700;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}