/* ============================================================
   Web-Check 3分診断 — mono + 粋 #7EB4E2
   ============================================================ */
:root{
  --wc-ink:#1A1A1A;
  --wc-sub:#4A4A4A;
  --wc-mute:#767676;
  --wc-line:#E5E5E5;
  --wc-line-soft:#EEEEEE;
  --wc-bg:#FFFFFF;
  --wc-surface:#F7F8FA;
  --wc-surface-2:#F0F1F4;
  --wc-iki:#7EB4E2;
  --wc-iki-soft:rgba(126,180,226,.10);
  --wc-iki-line:rgba(126,180,226,.35);
  --wc-iki-strong:rgba(126,180,226,.85);
  --wc-radius:14px;
  --wc-radius-lg:20px;
  --wc-radius-sm:8px;
  --wc-shadow:0 2px 10px rgba(0,0,0,.04);
  --wc-shadow-lg:0 20px 60px -30px rgba(0,0,0,.20);
  --wc-font-jp:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",system-ui,sans-serif;
  --wc-font-en:"Inter","Helvetica Neue",system-ui,sans-serif;
  --wc-pad-x:clamp(20px,4vw,32px);
  --wc-ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--wc-font-jp);
  font-size:16px;
  line-height:1.75;
  color:var(--wc-ink);
  background:var(--wc-bg);
  font-feature-settings:"palt";
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}

a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;background:none;border:0;cursor:pointer;color:inherit}
img{display:block;max-width:100%;height:auto}

.wc-skip-link{position:absolute;top:-48px;left:12px;background:var(--wc-ink);color:#fff;padding:10px 16px;border-radius:var(--wc-radius-sm);font-size:14px;z-index:100;transition:top .15s}
.wc-skip-link:focus{top:12px}

button:focus-visible,a:focus-visible{
  outline:2px solid var(--wc-iki);
  outline-offset:3px;
  border-radius:4px;
}

/* ---------- Header ---------- */
.wc-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--wc-line);
}
.wc-header__inner{
  max-width:1100px;
  margin-inline:auto;
  padding:14px var(--wc-pad-x);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.wc-header__logo{
  display:flex;
  align-items:center;
  gap:10px;
}
.wc-header__logo img{width:32px;height:32px;flex-shrink:0}
.wc-header__logo-text{display:flex;flex-direction:column;line-height:1.15}
.wc-header__logo-text small{font-size:10px;letter-spacing:.2em;color:var(--wc-sub);margin-bottom:2px}
.wc-header__logo-text strong{
  font-family:var(--wc-font-en);
  font-size:16px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--wc-ink);
}
.wc-header__nav{display:flex;align-items:center;gap:16px}
.wc-header__reset{
  font-size:13px;
  color:var(--wc-sub);
  padding:6px 12px;
  border:1px solid var(--wc-line);
  border-radius:999px;
  transition:border-color .15s, color .15s;
}
.wc-header__reset:hover{border-color:var(--wc-ink);color:var(--wc-ink)}
.wc-header__home{
  font-size:13px;
  color:var(--wc-sub);
  transition:color .15s;
}
.wc-header__home:hover{color:var(--wc-ink)}

/* ---------- Main / container ---------- */
.wc-main{flex:1}
.wc-container{
  max-width:800px;
  margin-inline:auto;
  padding:clamp(48px,8vw,96px) var(--wc-pad-x);
}
.wc-screen{
  animation:wc-fade .4s var(--wc-ease);
}
@keyframes wc-fade{
  from{opacity:0;transform:translateY(8px)}
  to{opacity:1;transform:translateY(0)}
}
@media (prefers-reduced-motion:reduce){
  .wc-screen{animation:none}
  .wc-cat__fill{transition:none}
  .wc-progress__fill{transition:none}
  #wc-loader{transition:none}
  .wc-btn{transition:none}
  .wc-answer{transition:none}
  .wc-answer__num{transition:none}
}

/* ---------- Typography helpers ---------- */
.wc-eyebrow{
  font-family:var(--wc-font-en);
  font-size:11px;
  font-weight:700;
  letter-spacing:.32em;
  text-transform:uppercase;
  color:var(--wc-mute);
  margin-bottom:20px;
}
.wc-h2{
  font-size:clamp(20px,2.6vw,26px);
  font-weight:700;
  letter-spacing:.02em;
  margin:56px 0 20px;
  padding-bottom:12px;
  border-bottom:1px solid var(--wc-line);
}

/* ============================================================
   Screen 1: Start
   ============================================================ */
.wc-hero-title{
  font-size:clamp(30px,5.4vw,52px);
  font-weight:700;
  letter-spacing:.02em;
  line-height:1.35;
  margin-bottom:24px;
}
.wc-hero-lead{
  font-size:clamp(15px,1.6vw,17px);
  color:var(--wc-sub);
  line-height:1.9;
  margin-bottom:40px;
  max-width:60ch;
}

.wc-hero-features{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:12px;
  margin-bottom:32px;
  padding:24px;
  background:var(--wc-surface);
  border:1px solid var(--wc-line);
  border-radius:var(--wc-radius);
}
.wc-feature{text-align:center}
.wc-feature__num{
  display:block;
  font-family:var(--wc-font-en);
  font-size:clamp(24px,3vw,32px);
  font-weight:800;
  color:var(--wc-ink);
  line-height:1.1;
  font-feature-settings:"tnum" 1;
}
.wc-feature__label{
  font-size:11px;
  color:var(--wc-mute);
  letter-spacing:.14em;
  margin-top:4px;
}

.wc-hero-domains{
  list-style:none;
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(140px, 1fr));
  gap:8px;
  margin-bottom:40px;
}
.wc-hero-domains li{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 16px;
  background:#fff;
  border:1px solid var(--wc-line);
  border-radius:var(--wc-radius);
}
.wc-hero-domains__key{
  font-family:var(--wc-font-en);
  font-size:12px;
  font-weight:800;
  letter-spacing:.1em;
  color:var(--wc-ink);
  padding:3px 8px;
  background:var(--wc-iki-soft);
  border:1px solid var(--wc-iki-line);
  border-radius:4px;
  min-width:44px;
  text-align:center;
}
.wc-hero-domains__desc{
  font-size:14px;
  color:var(--wc-sub);
}

.wc-hero-cta{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:8px;
  margin-bottom:56px;
}
.wc-hero-cta__note{
  font-size:12px;
  color:var(--wc-mute);
}

.wc-faq{
  border:1px solid var(--wc-line);
  border-radius:var(--wc-radius);
  padding:0;
  transition:border-color .15s;
}
.wc-faq[open]{border-color:var(--wc-iki-line)}
.wc-faq summary{
  padding:16px 20px;
  font-weight:600;
  cursor:pointer;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.wc-faq summary::before{
  content:"?";
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:22px;
  height:22px;
  background:var(--wc-ink);
  color:#fff;
  border-radius:50%;
  font-family:var(--wc-font-en);
  font-weight:800;
  font-size:12px;
  margin-right:auto;
}
.wc-faq summary::after{
  content:"＋";
  color:var(--wc-mute);
  font-size:16px;
  transition:transform .15s;
}
.wc-faq[open] summary::after{transform:rotate(45deg)}
.wc-faq__body{
  padding:0 20px 20px;
  color:var(--wc-sub);
  font-size:14px;
  line-height:1.8;
}
.wc-faq__body p{margin-bottom:12px}
.wc-faq__body ul{padding-left:20px;margin-bottom:12px}
.wc-faq__body ul li{list-style:disc;margin-bottom:4px}

/* ============================================================
   Buttons
   ============================================================ */
.wc-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  cursor:pointer;
  transition:all .18s var(--wc-ease);
  text-decoration:none;
}
.wc-btn--primary{
  background:var(--wc-ink);
  color:#fff;
}
.wc-btn--primary:hover{
  background:#000;
  transform:translateY(-1px);
  box-shadow:0 8px 20px rgba(0,0,0,.15);
}
.wc-btn--secondary{
  background:var(--wc-surface);
  color:var(--wc-sub);
  border:1px solid var(--wc-line);
}
.wc-btn--secondary:hover{
  background:var(--wc-surface-2);
  color:var(--wc-ink);
}
.wc-btn--ghost{
  background:transparent;
  color:var(--wc-sub);
  border:1px solid var(--wc-line);
}
.wc-btn--ghost:hover{
  border-color:var(--wc-ink);
  color:var(--wc-ink);
}

/* ============================================================
   Screen 2: Question
   ============================================================ */
.wc-progress{
  margin-bottom:32px;
}
.wc-progress__meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:10px;
}
.wc-progress__count{
  font-family:var(--wc-font-en);
  font-size:13px;
  color:var(--wc-sub);
  letter-spacing:.05em;
  font-feature-settings:"tnum" 1;
}
.wc-progress__count strong{
  color:var(--wc-ink);
  font-size:18px;
  font-weight:800;
  margin-right:2px;
}
.wc-progress__cat{
  font-family:var(--wc-font-en);
  font-size:11px;
  font-weight:800;
  letter-spacing:.16em;
  padding:4px 12px;
  background:var(--wc-ink);
  color:#fff;
  border-radius:999px;
}
.wc-progress__bar{
  width:100%;
  height:4px;
  background:var(--wc-line-soft);
  border-radius:999px;
  overflow:hidden;
}
.wc-progress__fill{
  display:block;
  height:100%;
  width:0%;
  background:var(--wc-iki);
  border-radius:999px;
  transition:width .35s var(--wc-ease);
}

.wc-question-card{
  background:#fff;
  border:1px solid var(--wc-line);
  border-radius:var(--wc-radius-lg);
  padding:clamp(28px,4vw,44px);
  box-shadow:var(--wc-shadow);
  margin-bottom:24px;
}
.wc-question-card__cat{
  font-family:var(--wc-font-en);
  font-size:11px;
  font-weight:700;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--wc-mute);
  margin-bottom:12px;
}
.wc-question-card__text{
  font-size:clamp(20px,3vw,26px);
  font-weight:700;
  line-height:1.55;
  letter-spacing:.01em;
  margin-bottom:12px;
}
.wc-question-card__hint{
  font-size:13px;
  color:var(--wc-mute);
  line-height:1.7;
  margin-bottom:28px;
  padding:10px 14px;
  background:var(--wc-iki-soft);
  border-left:3px solid var(--wc-iki);
  border-radius:4px;
}

.wc-answer-list{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-top:24px;
  margin-bottom:28px;
}
.wc-answer{
  display:flex;
  align-items:center;
  gap:16px;
  padding:16px 20px;
  background:#fff;
  border:1px solid var(--wc-line);
  border-radius:var(--wc-radius);
  cursor:pointer;
  transition:all .15s var(--wc-ease);
  text-align:left;
  width:100%;
}
.wc-answer:hover{
  border-color:var(--wc-ink);
  background:var(--wc-surface);
}
.wc-answer[aria-checked="true"]{
  border-color:var(--wc-iki);
  background:var(--wc-iki-soft);
  box-shadow:0 0 0 1px var(--wc-iki-line);
}
.wc-answer__num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;
  height:32px;
  border-radius:8px;
  background:var(--wc-surface);
  border:1px solid var(--wc-line);
  font-family:var(--wc-font-en);
  font-weight:800;
  font-size:14px;
  color:var(--wc-sub);
  flex-shrink:0;
  transition:all .15s var(--wc-ease);
  font-feature-settings:"tnum" 1;
}
.wc-answer[aria-checked="true"] .wc-answer__num{
  background:var(--wc-ink);
  color:#fff;
  border-color:var(--wc-ink);
}
.wc-answer__label{
  font-size:15px;
  font-weight:500;
  color:var(--wc-ink);
  line-height:1.5;
}
.wc-answer__score{
  margin-left:auto;
  font-family:var(--wc-font-en);
  font-size:12px;
  color:var(--wc-mute);
  font-feature-settings:"tnum" 1;
}

.wc-question-nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:20px;
  border-top:1px solid var(--wc-line);
  flex-wrap:wrap;
}
.wc-question-nav .wc-btn{
  font-size:13px;
  padding:10px 18px;
}
#wc-back-btn:disabled{opacity:.35;cursor:not-allowed}

.wc-keyhint{
  text-align:center;
  font-size:12px;
  color:var(--wc-mute);
  margin-top:16px;
}
.wc-keyhint kbd{
  display:inline-block;
  padding:2px 6px;
  background:var(--wc-surface);
  border:1px solid var(--wc-line);
  border-radius:4px;
  font-family:var(--wc-font-en);
  font-size:11px;
  margin:0 2px;
}

/* ============================================================
   Screen 3: Result
   ============================================================ */
.wc-result-title{
  font-size:clamp(28px,4.6vw,40px);
  font-weight:700;
  margin-bottom:32px;
  letter-spacing:.02em;
}

.wc-grade-panel{
  background:var(--wc-ink);
  color:#fff;
  padding:clamp(32px,5vw,48px);
  border-radius:var(--wc-radius-lg);
  margin-bottom:16px;
  position:relative;
  isolation:isolate;
  overflow:hidden;
}
.wc-grade-panel::before{
  content:"";
  position:absolute;
  inset:1px;
  border-radius:19px;
  background:radial-gradient(120% 80% at 0% 0%, rgba(126,180,226,.20), transparent 60%);
  pointer-events:none;
  z-index:-1;
}
.wc-grade-panel__grade{
  display:flex;
  align-items:center;
  gap:24px;
  margin-bottom:20px;
}
.wc-grade-panel__grade-letter{
  font-family:var(--wc-font-en);
  font-size:clamp(72px,12vw,120px);
  font-weight:900;
  line-height:.9;
  letter-spacing:-.02em;
  color:var(--wc-iki);
}
.wc-grade-panel__grade-meta{flex:1}
.wc-grade-panel__grade-label{
  font-family:var(--wc-font-en);
  font-size:11px;
  letter-spacing:.28em;
  color:rgba(255,255,255,.55);
  text-transform:uppercase;
  margin-bottom:4px;
}
.wc-grade-panel__grade-score{
  font-family:var(--wc-font-en);
  font-size:clamp(24px,3vw,32px);
  font-weight:800;
  color:#fff;
  font-feature-settings:"tnum" 1;
}
.wc-grade-panel__comment{
  font-size:15px;
  line-height:1.85;
  color:rgba(255,255,255,.86);
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
}

/* Category bars */
.wc-cat-list{
  display:flex;
  flex-direction:column;
  gap:14px;
  margin-bottom:16px;
}
.wc-cat{
  display:grid;
  grid-template-columns:120px 1fr auto;
  align-items:center;
  gap:14px;
  padding:16px 20px;
  background:#fff;
  border:1px solid var(--wc-line);
  border-radius:var(--wc-radius);
}
.wc-cat__label{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.wc-cat__key{
  font-family:var(--wc-font-en);
  font-size:14px;
  font-weight:800;
  color:var(--wc-ink);
  letter-spacing:.08em;
}
.wc-cat__name{
  font-size:11px;
  color:var(--wc-mute);
  letter-spacing:.05em;
}
.wc-cat__bar{
  height:8px;
  background:var(--wc-line-soft);
  border-radius:999px;
  overflow:hidden;
  min-width:120px;
}
.wc-cat__fill{
  display:block;
  height:100%;
  background:var(--wc-iki);
  border-radius:999px;
  transition:width .8s var(--wc-ease);
}
.wc-cat--weak .wc-cat__fill{background:var(--wc-ink)}
.wc-cat__score{
  font-family:var(--wc-font-en);
  font-size:18px;
  font-weight:800;
  color:var(--wc-ink);
  font-feature-settings:"tnum" 1;
  min-width:56px;
  text-align:right;
}
.wc-cat__badge{
  display:inline-block;
  padding:2px 8px;
  border-radius:4px;
  font-family:var(--wc-font-en);
  font-size:10px;
  font-weight:700;
  letter-spacing:.12em;
  margin-left:6px;
}
.wc-cat--weak .wc-cat__badge{background:var(--wc-ink);color:#fff}
.wc-cat--mid .wc-cat__badge{background:var(--wc-line);color:var(--wc-sub)}
.wc-cat--strong .wc-cat__badge{background:var(--wc-iki);color:#fff}

/* Recommend panel */
.wc-recommend{
  background:#fff;
  border:2px solid var(--wc-iki);
  border-radius:var(--wc-radius-lg);
  padding:clamp(24px,3vw,36px);
  margin-bottom:16px;
  position:relative;
}
.wc-recommend__badge{
  position:absolute;
  top:-12px;
  left:24px;
  background:var(--wc-iki);
  color:#fff;
  padding:4px 14px;
  border-radius:999px;
  font-size:11px;
  font-weight:800;
  letter-spacing:.14em;
  font-family:var(--wc-font-en);
}
.wc-recommend__title{
  font-size:clamp(20px,2.6vw,26px);
  font-weight:700;
  color:var(--wc-ink);
  margin-bottom:12px;
  margin-top:4px;
}
.wc-recommend__desc{
  font-size:15px;
  color:var(--wc-sub);
  line-height:1.85;
  margin-bottom:16px;
}
.wc-recommend__meta{
  display:flex;
  align-items:center;
  gap:20px;
  padding-top:16px;
  border-top:1px solid var(--wc-line);
  flex-wrap:wrap;
}
.wc-recommend__meta-item{
  display:flex;
  align-items:baseline;
  gap:6px;
  font-size:13px;
  color:var(--wc-sub);
}
.wc-recommend__meta-item strong{
  font-family:var(--wc-font-en);
  font-size:15px;
  font-weight:800;
  color:var(--wc-ink);
  font-feature-settings:"tnum" 1;
}
.wc-recommend__link{
  color:var(--wc-ink);
  font-weight:700;
  text-decoration:none;
  border-bottom:2px solid var(--wc-iki);
  transition:border-color .15s;
}
.wc-recommend__link:hover{border-bottom-color:var(--wc-ink)}

/* LINE CTA panel */
.wc-line-cta{
  background:var(--wc-surface);
  border:1px solid var(--wc-line);
  border-radius:var(--wc-radius-lg);
  padding:clamp(28px,4vw,40px);
  margin:32px 0 24px;
  text-align:center;
}
.wc-line-cta__eyebrow{
  font-family:var(--wc-font-en);
  font-size:11px;
  font-weight:700;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--wc-ink);
  margin-bottom:8px;
  padding-left:20px;
  position:relative;
}
.wc-line-cta__eyebrow::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:12px;
  height:2px;
  background:var(--wc-iki);
}
.wc-line-cta__title{
  font-size:clamp(22px,3vw,28px);
  font-weight:700;
  margin-bottom:12px;
}
.wc-line-cta__lead{
  font-size:14px;
  color:var(--wc-sub);
  line-height:1.85;
  margin-bottom:24px;
  max-width:52ch;
  margin-inline:auto;
}
.wc-line-cta__actions{
  display:flex;
  flex-direction:column;
  gap:10px;
  align-items:center;
}
.wc-line-cta__actions .wc-btn{min-width:280px}

.wc-result-actions{
  display:flex;
  gap:12px;
  justify-content:center;
  flex-wrap:wrap;
  padding-top:16px;
  border-top:1px solid var(--wc-line);
}
.wc-result-actions .wc-btn{font-size:13px;padding:10px 20px}

/* ---------- Footer ---------- */
.wc-footer{
  border-top:1px solid var(--wc-line);
  background:var(--wc-surface);
  padding:32px var(--wc-pad-x);
  margin-top:64px;
}
.wc-footer__inner{
  max-width:1100px;
  margin-inline:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
  font-size:13px;
  color:var(--wc-mute);
}
.wc-footer__brand{
  font-weight:700;
  color:var(--wc-ink);
}
.wc-footer__meta{
  font-family:var(--wc-font-en);
  font-size:11px;
  letter-spacing:.12em;
}
.wc-footer__nav{display:flex;gap:20px;flex-wrap:wrap}
.wc-footer__nav a{color:var(--wc-mute);transition:color .15s}
.wc-footer__nav a:hover{color:var(--wc-ink)}

/* ---------- Mobile adjustments ---------- */
@media (max-width: 640px){
  .wc-hero-features{grid-template-columns:repeat(4, 1fr);padding:16px;gap:8px}
  .wc-feature__num{font-size:22px}
  .wc-feature__label{font-size:10px}
  .wc-cat{grid-template-columns:80px 1fr auto;gap:10px;padding:14px 16px}
  .wc-cat__bar{min-width:60px}
  .wc-cat__score{font-size:16px;min-width:44px}
  .wc-question-card{padding:24px 20px}
  .wc-line-cta__actions .wc-btn{min-width:0;width:100%}
  .wc-btn{padding:12px 20px;font-size:14px}
  .wc-keyhint{display:none}
  .wc-header__reset{font-size:11px;padding:4px 8px}
  .wc-header__home{font-size:11px}
}

/* ---------- Print (Result page) ---------- */
@media print{
  .wc-header, .wc-footer, .wc-line-cta, .wc-result-actions, .wc-skip-link, #wc-loader{display:none!important}
  body{background:#fff}
  .wc-grade-panel{background:#000;color:#fff;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .wc-container{padding:24px}
}