.nine16-mbti {
  --mbti-primary: #245b78;
  --mbti-primary-dark: #173f55;
  --mbti-accent: #d89b45;
  --mbti-ink: #24323b;
  --mbti-muted: #63737d;
  --mbti-line: #dbe4e8;
  --mbti-soft: #f4f8fa;
  max-width: 820px;
  margin: 2rem auto;
  color: var(--mbti-ink);
  font-family: inherit;
  line-height: 1.7;
}

.nine16-mbti *, .nine16-mbti *::before, .nine16-mbti *::after { box-sizing: border-box; }
.nine16-mbti [hidden] { display: none !important; }
.nine16-mbti__screen { background: #fff; border: 1px solid var(--mbti-line); border-radius: 18px; padding: clamp(1.25rem, 4vw, 2.5rem); box-shadow: 0 14px 42px rgba(23, 63, 85, .08); }
.nine16-mbti__screen h2 { margin: .25rem 0 1rem; color: var(--mbti-primary-dark); font-size: clamp(1.7rem, 4vw, 2.35rem); line-height: 1.25; }
.nine16-mbti__eyebrow { color: var(--mbti-primary); font-size: .85rem; font-weight: 800; letter-spacing: .12em; }
.nine16-mbti__facts { margin: 1.4rem 0; padding-left: 1.25rem; }
.nine16-mbti__facts li { margin: .4rem 0; }
.nine16-mbti__stages { display: grid; grid-template-columns: repeat(4, 1fr); gap: .65rem; margin: 1.5rem 0; padding: 0; list-style: none; }
.nine16-mbti__stages li { display: flex; align-items: center; gap: .55rem; min-width: 0; padding: .75rem; border: 1px solid var(--mbti-line); border-radius: 12px; background: var(--mbti-soft); }
.nine16-mbti__stages strong { display: inline-flex; flex: 0 0 30px; width: 30px; height: 30px; align-items: center; justify-content: center; border-radius: 50%; background: var(--mbti-primary); color: #fff; font-size: .82rem; }
.nine16-mbti__stages span { color: var(--mbti-primary-dark); font-weight: 800; line-height: 1.25; }
.nine16-mbti__stages small { color: var(--mbti-muted); font-size: .72rem; font-weight: 650; }
.nine16-mbti__disclaimer { color: var(--mbti-muted); font-size: .9rem; }
.nine16-mbti__actions { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem; margin-top: 1.5rem; }
.nine16-mbti__button { appearance: none; display: inline-flex; align-items: center; justify-content: center; min-height: 48px; border-radius: 999px; padding: .7rem 1.25rem; border: 1px solid transparent; font: inherit; font-weight: 750; line-height: 1.2; cursor: pointer; text-decoration: none !important; transition: transform .15s ease, background .15s ease, border-color .15s ease; }
.nine16-mbti__button:hover { transform: translateY(-1px); }
.nine16-mbti__button:focus-visible, .nine16-mbti__text-button:focus-visible, .nine16-mbti__option:focus-visible { outline: 3px solid rgba(216,155,69,.45); outline-offset: 3px; }
.nine16-mbti__button--primary { background: var(--mbti-primary); color: #fff !important; }
.nine16-mbti__button--primary:hover { background: var(--mbti-primary-dark); }
.nine16-mbti__button--secondary { background: #fff; color: var(--mbti-primary-dark) !important; border-color: var(--mbti-line); }
.nine16-mbti__button:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.nine16-mbti__text-button { background: none; border: 0; padding: .7rem .2rem; color: var(--mbti-primary); font: inherit; text-decoration: underline; cursor: pointer; }

.nine16-mbti__status { display: flex; justify-content: space-between; gap: 1rem; color: var(--mbti-muted); font-size: .9rem; font-weight: 700; }
.nine16-mbti__overall-progress { margin-top: .45rem; color: var(--mbti-primary); font-size: .82rem; font-weight: 800; }
.nine16-mbti__progress { height: 8px; margin: .65rem 0 2rem; overflow: hidden; border-radius: 999px; background: #eaf0f3; }
.nine16-mbti__progress span { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--mbti-primary), #55a0aa); transition: width .2s ease; }
.nine16-mbti__question-title { margin: 0 0 .35rem; color: var(--mbti-accent); font-size: .88rem; font-weight: 800; }
.nine16-mbti__question-card h3 { margin: 0 0 1.5rem; color: var(--mbti-primary-dark); font-size: clamp(1.25rem, 3vw, 1.55rem); line-height: 1.45; }
.nine16-mbti__options { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.25rem; }
.nine16-mbti__option { appearance: none; display: flex; min-height: 170px; padding: 1.1rem; flex-direction: column; align-items: flex-start; border: 2px solid var(--mbti-line); border-radius: 14px; background: var(--mbti-soft); color: var(--mbti-ink); font: inherit; text-align: left; cursor: pointer; transition: border-color .15s ease, background .15s ease, transform .15s ease, box-shadow .15s ease; }
.nine16-mbti__option:hover { border-color: #8cb2bd; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(23,63,85,.08); }
.nine16-mbti__option > span { display: block; margin-bottom: .35rem; color: var(--mbti-muted); font-size: .78rem; font-style: normal; font-weight: 750; }
.nine16-mbti__option strong { display: block; flex: 1; font-size: 1rem; line-height: 1.65; }
.nine16-mbti__option em { display: inline-flex; margin-top: .8rem; padding: .25rem .65rem; border-radius: 999px; background: #fff; color: var(--mbti-primary); font-size: .78rem; font-style: normal; font-weight: 800; }
.nine16-mbti__option.is-selected { border-color: var(--mbti-primary); background: #e6f2f4; box-shadow: 0 0 0 3px rgba(36,91,120,.1); }
.nine16-mbti__option.is-selected em { background: var(--mbti-primary); color: #fff; }
.nine16-mbti__error { margin: .8rem 0 0; color: #a33a32; font-weight: 750; }
.nine16-mbti__question-card.has-error { animation: nine16-shake .28s linear; }
@keyframes nine16-shake { 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }
.nine16-mbti__navigation { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1.5rem; }
.nine16-mbti__quiz > .nine16-mbti__text-button { display: block; margin: .75rem auto 0; }

.nine16-mbti__result, .nine16-mbti__stage-result { text-align: center; }
.nine16-mbti__result-type { margin: .6rem 0 0; color: var(--mbti-primary); font-size: clamp(3rem, 11vw, 5.4rem); font-weight: 900; letter-spacing: .08em; line-height: 1; }
.nine16-mbti__stage-letter { margin: .6rem 0 0; color: var(--mbti-primary); font-size: clamp(3.5rem, 13vw, 6.2rem); font-weight: 900; letter-spacing: .04em; line-height: 1; }
.nine16-mbti__dimensions { display: grid; gap: 1rem; margin: 2rem 0; text-align: left; }
.nine16-mbti__dimensions--stage { max-width: 660px; margin-inline: auto; }
.nine16-mbti__dimension-card { padding: 1rem 1.1rem; border: 1px solid var(--mbti-line); border-radius: 13px; background: var(--mbti-soft); }
.nine16-mbti__dimension-heading, .nine16-mbti__dimension-labels { display: flex; justify-content: space-between; gap: 1rem; }
.nine16-mbti__dimension-heading span { color: var(--mbti-primary); font-weight: 750; }
.nine16-mbti__dimension-labels { margin-top: .65rem; color: var(--mbti-muted); font-size: .86rem; font-weight: 750; }
.nine16-mbti__result-bar { height: 12px; margin-top: .3rem; overflow: hidden; border-radius: 999px; background: #d9b77e; }
.nine16-mbti__result-bar span { display: block; height: 100%; background: var(--mbti-primary); }
.nine16-mbti__dimension-meaning { margin: .85rem 0 0; color: var(--mbti-muted); font-size: .94rem; line-height: 1.7; }
.nine16-mbti__dimension-link { display: inline-flex; margin-top: .8rem; color: var(--mbti-primary); font-size: .9rem; font-weight: 800; text-decoration: underline; text-underline-offset: 3px; }
.nine16-mbti__dimension-link:hover { color: var(--mbti-primary-dark); }
.nine16-mbti__balance-note { margin: 1rem 0; padding: 1rem; border-left: 4px solid var(--mbti-accent); background: #fff8ed; text-align: left; font-size: .92rem; }
.nine16-mbti__stage-note { max-width: 660px; margin: 1rem auto; padding: .9rem 1rem; border-left: 4px solid var(--mbti-accent); background: #fff8ed; color: var(--mbti-muted); text-align: left; font-size: .9rem; }
.nine16-mbti__result .nine16-mbti__actions, .nine16-mbti__stage-result .nine16-mbti__actions { justify-content: center; }
.nine16-mbti__share-status { min-height: 1.7em; color: var(--mbti-primary); font-weight: 700; }
.nine16-mbti__notice { padding: 1rem; border-left: 4px solid #a33a32; background: #fff3f2; }

@media (max-width: 620px) {
  .nine16-mbti { margin: 1rem auto; }
  .nine16-mbti__screen { border-radius: 13px; padding: 1.1rem; }
  .nine16-mbti__stages { grid-template-columns: 1fr 1fr; }
  .nine16-mbti__status { align-items: flex-start; flex-direction: column; gap: .2rem; }
  .nine16-mbti__progress { margin-bottom: 1.35rem; }
  .nine16-mbti__options { grid-template-columns: 1fr; gap: .7rem; }
  .nine16-mbti__option { min-height: 130px; }
  .nine16-mbti__navigation .nine16-mbti__button { flex: 1; padding-inline: .8rem; }
  .nine16-mbti__result .nine16-mbti__actions, .nine16-mbti__stage-result .nine16-mbti__actions { align-items: stretch; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .nine16-mbti *, .nine16-mbti *::before, .nine16-mbti *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}