/* =========================================================
   恋の分岐点。 main.css
   Brand: Navy #101A30 / Midnight #18233F / Gold #C6A66B / Lavender #B8A6D9 / Ivory #F7F4ED
   ========================================================= */
:root {
  --navy: #101A30;
  --midnight: #18233F;
  --midnight-2: #1F2B4D;
  --gold: #C6A66B;
  --gold-soft: #DCC598;
  --lavender: #B8A6D9;
  --ivory: #F7F4ED;
  --ink: #1D2438;
  --ink-soft: #4A5168;
  --text: #ECE7DC;
  --text-muted: #B9B6C6;
  --line: rgba(198, 166, 107, .28);
  --line-soft: rgba(247, 244, 237, .12);
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(3, 7, 20, .35);
  --serif: "Hiragino Mincho ProN", "Yu Mincho", YuMincho, "Noto Serif JP", "BIZ UDPMincho", serif;
  --sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;
  --wrap: 1120px;
  --wrap-narrow: 760px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 72px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
  background: var(--navy);
  letter-spacing: .02em;
  overflow-wrap: anywhere;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--gold-soft); text-underline-offset: 3px; }
a:hover { color: var(--ivory); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 4px; }
button { font: inherit; }
.kb-sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.kb-skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--gold); color: var(--navy); padding: 8px 14px; border-radius: 8px; }
.kb-skip:focus { left: 8px; }
.kb-wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.kb-wrap--narrow { max-width: var(--wrap-narrow); }
.kb-center { text-align: center; }
.kb-muted { color: var(--text-muted); }

/* ---------- Buttons ---------- */
.kb-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  min-height: 52px; padding: .75em 1.6em;
  border-radius: 999px; border: 1px solid transparent;
  font-weight: 600; font-size: 1rem; letter-spacing: .06em; line-height: 1.4;
  text-decoration: none; cursor: pointer; text-align: center;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease;
  -webkit-tap-highlight-color: transparent;
}
.kb-btn:active { transform: scale(.98); }
.kb-btn--gold { background: linear-gradient(135deg, #D8BC85, var(--gold) 55%, #AD8D53); color: var(--navy); box-shadow: 0 6px 22px rgba(198, 166, 107, .28); }
.kb-btn--gold:hover { color: var(--navy); box-shadow: 0 8px 28px rgba(198, 166, 107, .45); }
.kb-btn--line { background: transparent; color: var(--gold-soft); border-color: var(--line); }
.kb-btn--line:hover { border-color: var(--gold); color: var(--ivory); background: rgba(198, 166, 107, .08); }
.kb-btn--ghost { background: transparent; color: var(--text-muted); border-color: var(--line-soft); }
.kb-btn--lg { min-height: 60px; font-size: 1.06rem; padding: .9em 2.2em; }
.kb-btn--sm { min-height: 44px; font-size: .9rem; padding: .5em 1.1em; }
.kb-btn--block { display: flex; width: 100%; }
.kb-btn[disabled] { opacity: .5; cursor: not-allowed; }
.kb-ext { font-size: .7em; font-weight: 500; border: 1px solid currentColor; border-radius: 4px; padding: 0 .4em; opacity: .8; }

/* ---------- Header ---------- */
.kb-header { position: sticky; top: 0; z-index: 50; background: rgba(16, 26, 48, .86); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line-soft); }
.kb-header__inner { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; height: 60px; display: flex; align-items: center; justify-content: space-between; }
.kb-logo { display: flex; align-items: center; gap: 10px; color: var(--ivory); text-decoration: none; font-family: var(--serif); font-size: 1.18rem; letter-spacing: .12em; }
.kb-logo__mark { width: 28px; height: 28px; }
.kb-logo__img { max-height: 40px; width: auto; }
.kb-menu-btn { width: 48px; height: 48px; border: 0; background: transparent; position: relative; cursor: pointer; }
.kb-menu-btn__bar, .kb-menu-btn__bar::before, .kb-menu-btn__bar::after { position: absolute; left: 13px; width: 22px; height: 1.5px; background: var(--ivory); content: ""; transition: transform .25s ease, top .25s ease; }
.kb-menu-btn__bar { top: 23px; }
.kb-menu-btn__bar::before { left: 0; top: -7px; }
.kb-menu-btn__bar::after { left: 0; top: 7px; }
.kb-nav-open .kb-menu-btn__bar { background: transparent; }
.kb-nav-open .kb-menu-btn__bar::before { top: 0; transform: rotate(45deg); }
.kb-nav-open .kb-menu-btn__bar::after { top: 0; transform: rotate(-45deg); }
.kb-nav { position: fixed; inset: 60px 0 auto 0; background: var(--navy); border-bottom: 1px solid var(--line); transform: translateY(-120%); visibility: hidden; transition: transform .3s ease, visibility .3s; max-height: calc(100dvh - 60px); overflow-y: auto; }
.kb-nav-open .kb-nav { transform: none; visibility: visible; }
.kb-nav ul { list-style: none; margin: 0; padding: 8px 20px 20px; }
.kb-nav li a { display: block; padding: 14px 4px; color: var(--ivory); text-decoration: none; border-bottom: 1px solid var(--line-soft); font-size: 1rem; }
@media (min-width: 960px) {
  .kb-menu-btn { display: none; }
  .kb-nav { position: static; transform: none; visibility: visible; background: transparent; border: 0; max-height: none; overflow: visible; }
  .kb-nav ul { display: flex; gap: 6px; padding: 0; }
  .kb-nav li a { border: 0; padding: 8px 12px; font-size: .92rem; color: var(--text); }
  .kb-nav li a:hover, .kb-nav .current-menu-item a { color: var(--gold-soft); }
}

/* ---------- Decorations ---------- */
.kb-constellation { color: var(--gold); display: block; }
.kb-twinkle { animation: kbTwinkle 4.5s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
.kb-twinkle--late { animation-delay: 2.2s; }
@keyframes kbTwinkle { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }
.kb-moon { position: absolute; width: 120px; top: 34px; right: 7%; opacity: .95; filter: drop-shadow(0 0 22px rgba(247, 244, 237, .25)); animation: kbFloat 9s ease-in-out infinite; }
@keyframes kbFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.kb-stars-bg, .kb-hero__sky, .kb-pagehead__sky {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(247,244,237,.8) 50%, transparent 51%),
    radial-gradient(1px 1px at 25% 70%, rgba(247,244,237,.6) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 40% 35%, rgba(198,166,107,.9) 50%, transparent 51%),
    radial-gradient(1px 1px at 55% 80%, rgba(247,244,237,.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 68% 15%, rgba(184,166,217,.9) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 80% 55%, rgba(247,244,237,.7) 50%, transparent 51%),
    radial-gradient(1px 1px at 92% 85%, rgba(247,244,237,.6) 50%, transparent 51%),
    radial-gradient(1px 1px at 5% 90%, rgba(198,166,107,.7) 50%, transparent 51%),
    radial-gradient(1px 1px at 33% 8%, rgba(247,244,237,.6) 50%, transparent 51%),
    radial-gradient(1px 1px at 74% 92%, rgba(184,166,217,.6) 50%, transparent 51%);
  background-size: 100% 100%;
}

/* ---------- Hero ---------- */
.kb-hero {
  position: relative; overflow: hidden; isolation: isolate;
  padding: 88px 0 72px; text-align: center;
  background: radial-gradient(120% 80% at 50% 0%, #2A2F5E 0%, var(--midnight) 42%, var(--navy) 78%);
}
.kb-hero::after { content: ""; position: absolute; inset: auto 0 0; height: 120px; background: linear-gradient(to bottom, transparent, var(--navy)); z-index: -1; }
.kb-hero__sky { z-index: -1; animation: kbSky 12s ease-in-out infinite alternate; }
@keyframes kbSky { from { opacity: .7; } to { opacity: 1; } }
.kb-hero__lines { position: absolute; left: -40px; bottom: 30px; width: 420px; opacity: .6; z-index: -1; }
.kb-hero__inner { position: relative; max-width: 760px; margin: 0 auto; padding: 0 20px; }
.kb-hero__eyebrow { display: inline-block; font-size: .78rem; letter-spacing: .14em; color: var(--gold-soft); border: 1px solid var(--line); border-radius: 999px; padding: .3em 1.1em; margin: 0 0 22px; }
.kb-hero__title { text-wrap: balance; font-family: var(--serif); font-weight: 500; font-size: clamp(1.72rem, 6.6vw, 3rem); line-height: 1.55; letter-spacing: .1em; margin: 0 0 18px; color: var(--ivory); text-shadow: 0 0 30px rgba(198, 166, 107, .25); }
.kb-hero__sub { font-family: var(--serif); color: var(--gold-soft); font-size: clamp(.96rem, 3.4vw, 1.12rem); line-height: 1.9; margin: 0 0 18px; }
.kb-hero__text { color: var(--text-muted); font-size: .95rem; margin: 0 auto 30px; max-width: 34em; }
.kb-hero__meta { margin: 14px 0 0; font-size: .8rem; color: var(--text-muted); }
@media (max-width: 599px) { .kb-moon { width: 76px; top: 18px; right: 4%; } .kb-hero { padding: 72px 0 56px; } .kb-hero__lines { width: 300px; } }

/* ---------- Sections ---------- */
.kb-sec { position: relative; padding: 56px 0; }
@media (min-width: 720px) { .kb-sec { padding: 80px 0; } }
.kb-sec--deep { background: var(--midnight); }
.kb-sec--map { background: linear-gradient(180deg, var(--navy), #141F3A 50%, var(--navy)); }
.kb-sec--paper { background: var(--ivory); color: var(--ink); }
.kb-sec--paper a { color: #7A5D24; }
.kb-sec__lead { text-align: center; color: var(--text-muted); max-width: 36em; margin: -8px auto 32px; }
.kb-h2 { text-wrap: balance; font-family: var(--serif); font-weight: 500; text-align: center; font-size: clamp(1.32rem, 4.8vw, 1.9rem); letter-spacing: .1em; line-height: 1.6; margin: 0 0 36px; color: var(--ivory); }
.kb-h2__en { display: block; font-family: Georgia, "Times New Roman", serif; font-style: italic; font-size: .5em; letter-spacing: .2em; color: var(--gold); margin-bottom: .4em; }
.kb-h2--dark { color: var(--navy); }
.kb-h2--dark .kb-h2__en { color: #7A5D24; }
.kb-h3 { font-family: var(--serif); font-weight: 600; font-size: 1.12rem; letter-spacing: .06em; margin: 0 0 .5em; color: var(--ivory); line-height: 1.6; }

.kb-card { background: linear-gradient(160deg, rgba(31, 43, 77, .9), rgba(24, 35, 63, .9)); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 20px; box-shadow: var(--shadow); }
.kb-cards { display: grid; gap: 18px; }
@media (min-width: 720px) { .kb-cards--3 { grid-template-columns: repeat(3, 1fr); } .kb-cards--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .kb-cards--4 { grid-template-columns: repeat(4, 1fr); } }

.kb-js .kb-reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease; }
.kb-js .kb-reveal.is-in { opacity: 1; transform: none; }

/* choose */
.kb-choose { display: grid; gap: 12px; max-width: 760px; margin: 0 auto; }
@media (min-width: 720px) { .kb-choose { grid-template-columns: repeat(3, 1fr); } }
.kb-choose__item { display: grid; grid-template-columns: 44px 1fr; grid-template-rows: auto auto; align-items: center; column-gap: 12px; padding: 18px 18px; border-radius: var(--radius); background: rgba(247, 244, 237, .04); border: 1px solid var(--line); color: var(--ivory); text-decoration: none; transition: border-color .2s, background-color .2s, transform .2s; }
.kb-choose__item:hover { border-color: var(--gold); background: rgba(198, 166, 107, .08); color: var(--ivory); transform: translateY(-2px); }
.kb-choose__icon { grid-row: span 2; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line); color: var(--gold); font-size: 1.2rem; }
.kb-choose__text { font-family: var(--serif); font-size: 1.04rem; }
.kb-choose__go { font-size: .8rem; color: var(--gold-soft); }
.kb-choose__go::after { content: " →"; }

.kb-diagcard__icon { font-size: 1.6rem; color: var(--gold); margin: 0 0 6px; }
.kb-diagcard p { color: var(--text-muted); font-size: .94rem; }
.kb-tags { list-style: none; padding: 0; margin: 0 0 18px; display: flex; flex-wrap: wrap; gap: 6px; }
.kb-tags li { font-size: .76rem; padding: .2em .8em; border-radius: 999px; background: rgba(184, 166, 217, .12); color: var(--lavender); }

.kb-worries { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 10px; }
.kb-worries li { position: relative; background: #fff; border: 1px solid #E8E0CF; border-radius: var(--radius-sm); padding: 14px 16px 14px 46px; color: var(--ink); }
.kb-worries li::before { content: "✓"; position: absolute; left: 16px; top: 14px; width: 20px; height: 20px; border-radius: 50%; background: var(--navy); color: var(--gold); font-size: .72rem; display: grid; place-items: center; line-height: 1; }
.kb-worries__after { text-align: center; font-family: var(--serif); color: var(--navy); line-height: 2; }

.kb-feature { padding: 26px 22px; border-top: 1px solid var(--gold); background: rgba(247, 244, 237, .03); border-radius: 0 0 var(--radius) var(--radius); }
.kb-feature__num { font-family: Georgia, serif; color: var(--gold); font-size: 1.5rem; margin: 0 0 6px; letter-spacing: .1em; }
.kb-feature p:last-child { color: var(--text-muted); font-size: .93rem; margin: 0; }

.kb-know { list-style: none; counter-reset: know; padding: 0; margin: 0 0 18px; display: grid; gap: 10px; }
@media (min-width: 600px) { .kb-know { grid-template-columns: 1fr 1fr; } }
.kb-know li { counter-increment: know; display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: var(--radius-sm); border: 1px solid var(--line-soft); background: rgba(16, 26, 48, .55); }
.kb-know li::before { content: counter(know, decimal-leading-zero); font-family: Georgia, serif; color: var(--gold); font-size: .95rem; min-width: 1.8em; }

.kb-mapintro { display: grid; gap: 28px; align-items: center; }
@media (min-width: 860px) { .kb-mapintro { grid-template-columns: 1fr 1.1fr; gap: 48px; } }
.kb-mapintro__visual { position: relative; max-width: 380px; margin: 0 auto; width: 100%; }
.kb-mapintro__svg { width: 100%; filter: drop-shadow(0 0 12px rgba(198, 166, 107, .35)); }
.kb-draw { stroke-dasharray: 320; stroke-dashoffset: 320; animation: kbDraw 2.6s ease forwards; }
.kb-draw:nth-child(2) { animation-delay: .3s; } .kb-draw:nth-child(3) { animation-delay: .6s; }
@keyframes kbDraw { to { stroke-dashoffset: 0; } }
.kb-mapintro__labels { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; padding: 0; margin: 10px 0 0; text-align: center; font-size: .8rem; color: var(--text-muted); }
.kb-mapintro__labels b { display: block; color: var(--gold); font-family: Georgia, serif; }
.kb-mapintro__text p { color: var(--text); }

.kb-flow { list-style: none; padding: 0; margin: 0 0 36px; display: grid; gap: 14px; }
@media (min-width: 720px) { .kb-flow { grid-template-columns: repeat(4, 1fr); } }
.kb-flow li { position: relative; padding: 22px 18px 18px; border: 1px solid var(--line-soft); border-radius: var(--radius); background: rgba(247, 244, 237, .03); }
.kb-flow p { margin: 0; color: var(--text-muted); font-size: .92rem; }
.kb-flow__n { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--gold); color: var(--navy); font-family: Georgia, serif; font-weight: 700; margin-bottom: 10px; }

/* ---------- Page head ---------- */
.kb-pagehead { position: relative; overflow: hidden; padding: 40px 0 36px; background: radial-gradient(120% 120% at 50% 0%, #252B57 0%, var(--midnight) 55%, var(--navy) 100%); color: var(--ivory); }
.kb-pagehead__lines { position: absolute; right: -40px; top: 10px; width: 320px; opacity: .45; }
.kb-pagehead__title { position: relative; font-family: var(--serif); font-weight: 500; font-size: clamp(1.45rem, 5.6vw, 2.2rem); letter-spacing: .08em; line-height: 1.6; margin: 6px 0 8px; }
.kb-pagehead__lead { position: relative; color: var(--text-muted); margin: 0; }
.kb-pagehead__cat a { font-size: .8rem; color: var(--gold-soft); text-decoration: none; border: 1px solid var(--line); border-radius: 999px; padding: .15em .9em; }
.kb-pagehead__date { font-size: .8rem; color: var(--text-muted); display: flex; gap: 14px; margin: 0; }
.kb-crumbs ol { position: relative; list-style: none; display: flex; flex-wrap: wrap; gap: 4px; padding: 0; margin: 0 0 8px; font-size: .76rem; color: var(--text-muted); }
.kb-crumbs li + li::before { content: "›"; margin-right: 4px; opacity: .6; }
.kb-crumbs a { color: var(--text-muted); text-decoration: none; }
.kb-crumbs a:hover { color: var(--gold-soft); }

/* ---------- Content (paper / dark) ---------- */
.kb-page--paper { background: var(--ivory); color: var(--ink); }
.kb-page--paper .kb-content { padding: 36px 0 64px; }
.kb-page--dark .kb-content { padding: 32px 0 64px; }
.kb-content { font-size: 1.02rem; line-height: 2; }
.kb-content > * { margin-top: 0; margin-bottom: 1.4em; }
.kb-content h2 { font-family: var(--serif); font-weight: 600; font-size: 1.36rem; line-height: 1.6; letter-spacing: .05em; margin: 2.4em 0 1em; padding: .2em 0 .2em .8em; border-left: 3px solid var(--gold); }
.kb-content h3 { font-family: var(--serif); font-weight: 600; font-size: 1.14rem; margin: 2em 0 .8em; padding-bottom: .3em; border-bottom: 1px dashed var(--line); }
.kb-page--paper .kb-content h2, .kb-page--paper .kb-content h3 { color: var(--navy); }
.kb-page--paper .kb-content a { color: #7A5D24; }
.kb-page--paper .kb-content a:hover { color: var(--navy); }
.kb-page--dark .kb-content h2, .kb-page--dark .kb-content h3 { color: var(--ivory); }
.kb-content ul, .kb-content ol { padding-left: 1.4em; }
.kb-content li { margin-bottom: .4em; }
.kb-content table, .kb-table { width: 100%; border-collapse: collapse; font-size: .94rem; }
.kb-content th, .kb-content td { border: 1px solid rgba(29, 36, 56, .15); padding: .7em .9em; text-align: left; vertical-align: top; }
.kb-content th { background: rgba(198, 166, 107, .12); white-space: nowrap; width: 9em; }
.kb-page--dark .kb-content th, .kb-page--dark .kb-content td { border-color: var(--line-soft); }
.kb-content blockquote { margin-left: 0; padding: .4em 1.2em; border-left: 3px solid var(--lavender); color: var(--ink-soft); }
.kb-box { border-radius: var(--radius-sm); padding: 1.1em 1.3em; margin: 1.6em 0; }
.kb-box > :last-child { margin-bottom: 0; }
.kb-box__label { display: inline-block; font-size: .76rem; font-weight: 700; letter-spacing: .1em; padding: .15em .8em; border-radius: 999px; margin-bottom: .6em; }
.kb-box--fact { background: #EEF1F7; border: 1px solid #D5DCEA; }
.kb-box--fact .kb-box__label { background: var(--navy); color: var(--ivory); }
.kb-box--uranai { background: #F3EEF9; border: 1px solid #DDD2EE; }
.kb-box--uranai .kb-box__label { background: #6F5A99; color: #fff; }
.kb-box--note { background: #FBF5E8; border: 1px solid #EADCB9; }
.kb-box--note .kb-box__label { background: #9C7F45; color: #fff; }
.kb-sources { font-size: .86rem; color: var(--ink-soft); border-top: 1px solid rgba(29, 36, 56, .12); padding-top: 1em; }
.kb-toc { background: #fff; border: 1px solid #E8E0CF; border-radius: var(--radius-sm); padding: 1em 1.3em; font-size: .94rem; }
.kb-toc ol { margin: .4em 0 0; }
.kb-page--dark .kb-box--note { background: rgba(198, 166, 107, .08); border-color: var(--line); color: var(--text); }
.kb-page--dark .kb-box--fact { background: rgba(247, 244, 237, .05); border-color: var(--line-soft); color: var(--text); }

.kb-article__thumb { margin: 28px 0 0; } .kb-article__thumb img { border-radius: var(--radius); }
.kb-related { border-top: 1px solid rgba(29, 36, 56, .12); padding: 24px 0 56px; }
.kb-related__title { font-family: var(--serif); font-size: 1.1rem; color: var(--navy); }
.kb-related ul { padding-left: 1.2em; }

/* post card */
.kb-postcard { padding: 0; overflow: hidden; }
.kb-postcard__link { display: block; color: inherit; text-decoration: none; height: 100%; }
.kb-postcard__thumb { aspect-ratio: 16 / 9; background: radial-gradient(100% 120% at 30% 0%, #2A2F5E, var(--midnight)); display: grid; place-items: center; overflow: hidden; }
.kb-postcard__thumb img { width: 100%; height: 100%; object-fit: cover; }
.kb-postcard__ph { width: 70%; opacity: .8; }
.kb-postcard__body { padding: 16px 18px 18px; }
.kb-postcard__cat { margin: 0 0 4px; font-size: .74rem; color: var(--lavender); letter-spacing: .08em; }
.kb-postcard__title { font-family: var(--serif); font-weight: 600; font-size: 1.02rem; line-height: 1.7; margin: 0 0 8px; color: var(--ivory); }
.kb-postcard__date { margin: 0; font-size: .76rem; color: var(--text-muted); }
.kb-postcard__link:hover .kb-postcard__title { color: var(--gold-soft); }
.kb-catnav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 28px 0; }
.kb-catnav a { display: inline-block; padding: .4em 1em; border: 1px solid var(--line); border-radius: 999px; color: var(--text); text-decoration: none; font-size: .86rem; }
.kb-catnav a[aria-current] { background: var(--gold); color: var(--navy); }
.kb-pager { margin: 36px 0 72px; text-align: center; }
.kb-pager .page-numbers { display: inline-block; min-width: 44px; padding: .5em .8em; margin: 2px; border: 1px solid var(--line-soft); border-radius: 8px; color: var(--text); text-decoration: none; }
.kb-pager .current { background: var(--gold); color: var(--navy); }
.kb-page--dark > .kb-wrap { padding-bottom: 40px; }

/* ---------- Diagnosis ---------- */
.kb-diag { margin: 8px 0 32px; }
.kb-diag__intro { text-align: center; }
.kb-diag__eyebrow { color: var(--gold-soft); font-size: .8rem; letter-spacing: .14em; margin: 0; }
.kb-diag__title { font-family: var(--serif); font-weight: 500; font-size: 1.4rem; margin: .3em 0 .6em; color: var(--ivory); border: 0 !important; padding: 0 !important; }
.kb-diag__intro p { color: var(--text-muted); font-size: .94rem; }
.kb-diag__privacy { font-size: .78rem !important; margin: 14px 0 0; }
.kb-progress { margin: 0 0 18px; }
.kb-progress__label { font-family: Georgia, serif; font-size: .82rem; color: var(--gold); margin: 0 0 6px; letter-spacing: .1em; }
.kb-progress__bar { height: 4px; border-radius: 4px; background: rgba(247, 244, 237, .1); overflow: hidden; }
.kb-progress__fill { display: block; height: 100%; background: linear-gradient(90deg, var(--lavender), var(--gold)); border-radius: 4px; transition: width .4s ease; }
.kb-step__title { font-family: var(--serif); font-weight: 500; font-size: 1.24rem; line-height: 1.6; margin: 0 0 .5em; color: var(--ivory); border: 0 !important; padding: 0 !important; outline: none; }
.kb-step__note { font-size: .86rem; color: var(--text-muted); margin: 0 0 16px; line-height: 1.8; }
.kb-step__err { color: #F2B8B5; font-size: .88rem; min-height: 1.4em; margin: 6px 0 0; }
.kb-choices { display: grid; gap: 10px; margin: 0 0 18px; }
.kb-choice { width: 100%; min-height: 56px; text-align: left; padding: 14px 18px 14px 46px; position: relative; border-radius: var(--radius-sm); border: 1px solid var(--line-soft); background: rgba(16, 26, 48, .6); color: var(--ivory); cursor: pointer; font-size: 1rem; line-height: 1.5; transition: border-color .15s, background-color .15s; }
.kb-choice::before { content: ""; position: absolute; left: 16px; top: 50%; width: 18px; height: 18px; margin-top: -9px; border-radius: 50%; border: 1px solid var(--line); }
.kb-choice:hover { border-color: var(--gold); }
.kb-choice[aria-checked="true"] { border-color: var(--gold); background: rgba(198, 166, 107, .14); }
.kb-choice[aria-checked="true"]::before { background: radial-gradient(circle, var(--gold) 45%, transparent 50%); border-color: var(--gold); }
.kb-input { width: 100%; min-height: 56px; padding: 12px 14px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: rgba(16, 26, 48, .7); color: var(--ivory); font-size: 16px; color-scheme: dark; }
.kb-textarea { min-height: 120px; line-height: 1.7; resize: vertical; }
.kb-counter { text-align: right; font-size: .78rem; color: var(--text-muted); margin: 4px 0 0; }
.kb-step__nav { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; margin-top: 18px; }
.kb-step__nav .kb-btn { flex: 1 1 auto; }
.kb-step__nav .kb-btn--ghost { flex: 0 0 auto; }
.kb-hp, .kb-form .kb-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

.kb-loading { text-align: center; padding: 48px 20px; }
.kb-loading__orb { width: 72px; height: 72px; margin: 0 auto 22px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, var(--ivory), var(--gold) 40%, rgba(198, 166, 107, 0) 70%); box-shadow: 0 0 40px rgba(198, 166, 107, .5); animation: kbPulse 1.8s ease-in-out infinite; }
@keyframes kbPulse { 0%, 100% { transform: scale(.92); opacity: .8; } 50% { transform: scale(1.05); opacity: 1; } }
.kb-loading__text { font-family: var(--serif); color: var(--ivory); }
.kb-loading__sub { font-size: .82rem; color: var(--text-muted); }
.kb-error__title { font-family: var(--serif); font-size: 1.14rem; color: var(--ivory); }
.kb-error p { color: var(--text-muted); }

/* result */
.kb-res { margin-top: 8px; }
.kb-res__head { text-align: center; padding: 34px 20px 28px; border-radius: var(--radius); background: radial-gradient(120% 120% at 50% 0%, #2E3466, var(--midnight) 60%); border: 1px solid var(--line); position: relative; overflow: hidden; }
.kb-res__mode { display: inline-block; font-size: .72rem; padding: .25em .9em; border-radius: 999px; margin: 0 0 14px; background: rgba(184, 166, 217, .16); color: var(--lavender); }
.kb-res__mode--demo, .kb-res__mode--template { background: rgba(198, 166, 107, .16); color: var(--gold-soft); }
.kb-res__eyebrow { margin: 0; font-size: .8rem; letter-spacing: .14em; color: var(--gold-soft); }
.kb-res__type { font-family: var(--serif); font-weight: 500; font-size: clamp(1.4rem, 5.6vw, 1.9rem); line-height: 1.5; margin: .3em 0 .5em; color: var(--ivory); border: 0 !important; padding: 0 !important; text-shadow: 0 0 24px rgba(198, 166, 107, .35); }
.kb-res__lead { color: var(--text); margin: 0 auto 14px; max-width: 32em; }
.kb-res__badges { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.kb-badge { font-size: .76rem; padding: .25em .9em; border-radius: 999px; border: 1px solid var(--line-soft); color: var(--text); }
.kb-badge--gold { border-color: var(--gold); color: var(--gold-soft); }
.kb-res__method { font-size: .78rem; color: var(--text-muted); margin: 12px 0 0; }
.kb-res__sec { padding: 26px 4px; border-bottom: 1px solid var(--line-soft); }
.kb-res__h { display: flex; align-items: baseline; gap: 12px; font-family: var(--serif); font-weight: 500; font-size: 1.14rem; color: var(--ivory); margin: 0 0 .6em !important; border: 0 !important; padding: 0 !important; }
.kb-res__num { font-family: Georgia, serif; font-size: .9rem; color: var(--gold); }
.kb-res__p { margin: 0; color: var(--text); }
.kb-res__list { list-style: none; padding: 0 !important; margin: 0; display: grid; gap: 8px; }
.kb-res__list li { position: relative; padding: 10px 14px 10px 38px; border-radius: var(--radius-sm); background: rgba(247, 244, 237, .04); margin: 0 !important; }
.kb-res__list li::before { position: absolute; left: 14px; top: 10px; }
.kb-res__list.is-plus li::before { content: "✦"; color: var(--gold); }
.kb-res__list.is-care li::before { content: "◇"; color: var(--lavender); }
.kb-res__disclaimer { font-size: .78rem; color: var(--text-muted); margin: 22px 0 14px; }
.kb-notice { padding: 12px 14px; border-radius: var(--radius-sm); background: rgba(184, 166, 217, .12); border: 1px solid rgba(184, 166, 217, .3); font-size: .88rem; color: var(--text); margin: 12px 0; text-align: left; }
.kb-notice--ok { background: rgba(110, 190, 140, .12); border-color: rgba(110, 190, 140, .4); }
.kb-notice--error { background: rgba(230, 120, 120, .1); border-color: rgba(230, 120, 120, .4); }
.kb-page--paper .kb-notice { color: var(--ink); }
.kb-share { margin: 26px 0 0; padding: 20px; border-radius: var(--radius); border: 1px dashed var(--line); text-align: center; }
.kb-share__title { font-family: var(--serif); margin: 0 0 4px; color: var(--ivory); }
.kb-share__note { font-size: .78rem; color: var(--text-muted); margin: 0 0 12px; }
.kb-share__btns { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }

/* branch map */
.kb-bmap { margin-top: 16px; }
.kb-bmap__sky { position: relative; border-radius: var(--radius); background: radial-gradient(100% 100% at 50% 100%, #2B2F60 0%, #141D38 60%, var(--navy) 100%); border: 1px solid var(--line); padding: 8px 8px 24px; overflow: hidden; }
.kb-bmap__svg { display: block; width: 100%; height: auto; }
.kb-bmap__ray { stroke-dasharray: 260; stroke-dashoffset: 260; animation: kbDraw 2.2s ease forwards; }
.kb-bmap__ray[data-branch="b"] { animation-delay: .25s; } .kb-bmap__ray[data-branch="c"] { animation-delay: .5s; }
.kb-bmap__star { fill: var(--ivory); filter: drop-shadow(0 0 4px rgba(247, 244, 237, .9)); transition: fill .3s; }
.kb-bmap__dust { fill: rgba(247, 244, 237, .55); }
.kb-bmap__origin { fill: var(--gold); filter: drop-shadow(0 0 8px rgba(198, 166, 107, .9)); animation: kbPulse 2.4s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
.kb-bmap[data-active="a"] .kb-bmap__star[data-branch="a"], .kb-bmap[data-active="b"] .kb-bmap__star[data-branch="b"], .kb-bmap[data-active="c"] .kb-bmap__star[data-branch="c"] { fill: var(--gold); }
.kb-bmap[data-active="a"] .kb-bmap__ray:not([data-branch="a"]), .kb-bmap[data-active="b"] .kb-bmap__ray:not([data-branch="b"]), .kb-bmap[data-active="c"] .kb-bmap__ray:not([data-branch="c"]) { opacity: .3; }
.kb-bmap__now { position: absolute; left: 0; right: 0; bottom: 4px; text-align: center; font-size: .72rem; color: var(--gold-soft); margin: 0; letter-spacing: .1em; }
.kb-bmap__tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 12px; }
.kb-bmap__tab { min-height: 76px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; padding: 10px 6px; border-radius: var(--radius-sm); border: 1px solid var(--line-soft); background: rgba(16, 26, 48, .6); color: var(--ivory); cursor: pointer; transition: border-color .2s, background-color .2s; }
.kb-bmap__tab[aria-selected="true"] { border-color: var(--gold); background: rgba(198, 166, 107, .14); }
.kb-bmap__letter { font-family: Georgia, serif; color: var(--gold); font-size: 1.1rem; }
.kb-bmap__label { font-size: .8rem; line-height: 1.4; text-align: center; }
.kb-bmap__hint { font-size: .78rem; color: var(--text-muted); text-align: center; margin: 10px 0; }
.kb-bmap__panel { border-radius: var(--radius); border: 1px solid var(--gold); background: linear-gradient(160deg, rgba(31, 43, 77, .95), rgba(24, 35, 63, .95)); padding: 18px 18px 6px; animation: kbFade .35s ease; }
@keyframes kbFade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.kb-bmap__ptitle { font-family: var(--serif); font-weight: 500; font-size: 1.08rem; color: var(--gold-soft); margin: 0 0 10px !important; border: 0 !important; padding: 0 !important; }
.kb-bmap__dl { margin: 0; }
.kb-bmap__row { padding: 10px 0; border-top: 1px solid var(--line-soft); }
.kb-bmap__row dt { font-size: .78rem; color: var(--lavender); letter-spacing: .08em; }
.kb-bmap__row dd { margin: 2px 0 0; color: var(--text); }
.kb-bmap__row.is-step dd { color: var(--ivory); font-weight: 600; }
.kb-bmap__row.is-step dt { color: var(--gold); }
.kb-bmap__note { font-size: .76rem; color: var(--text-muted); margin: 12px 0 0; }
.kb-sample-label { font-size: .8rem; color: var(--gold-soft); text-align: center; }

/* offer */
.kb-offer { margin: 32px 0; padding: 30px 20px; border-radius: var(--radius); background: linear-gradient(170deg, #1D2850, var(--midnight)); border: 1px solid var(--gold); text-align: center; position: relative; }
.kb-offer::before { content: "✦"; position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--navy); color: var(--gold); padding: 0 10px; }
.kb-offer__title { font-family: var(--serif); font-weight: 500; font-size: 1.3rem; color: var(--ivory); margin: 0 0 .6em !important; border: 0 !important; padding: 0 !important; }
.kb-offer__lead { color: var(--text); margin: 0 0 20px; }
.kb-offer__cards { display: grid; gap: 14px; text-align: left; }
@media (min-width: 720px) { .kb-offer__cards { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); } }
.kb-offer-card { padding: 20px 18px; border-radius: var(--radius-sm); background: rgba(16, 26, 48, .65); border: 1px solid var(--line); display: flex; flex-direction: column; }
.kb-offer-card--special { border-color: var(--lavender); }
.kb-offer-card__name { font-family: var(--serif); font-size: 1.06rem; color: var(--ivory); margin: 0 0 6px; }
.kb-offer-card__desc { font-size: .9rem; color: var(--text-muted); margin: 0 0 10px; flex: 1; }
.kb-offer-card__price { color: var(--gold-soft); font-family: Georgia, var(--serif); font-size: 1.1rem; margin: 0 0 12px; }
.kb-offer-card__ext { font-size: .74rem; color: var(--text-muted); margin: 8px 0 0; text-align: center; }
.kb-offer__notice { font-size: .8rem; color: var(--text-muted); margin: 18px 0 0; text-align: left; line-height: 1.8; }
.kb-offer--empty { border-style: dashed; }
.kb-sec--offer .kb-offer { margin-top: 0; }

/* diag link (article CTA) */
.kb-diaglink { margin: 2.4em 0 1em; padding: 26px 20px; border-radius: var(--radius); background: radial-gradient(120% 120% at 50% 0%, #2A2F5E, var(--navy)); color: var(--ivory); text-align: center; }
.kb-diaglink__eyebrow { margin: 0 !important; font-size: .76rem; color: var(--gold-soft); letter-spacing: .14em; }
.kb-diaglink__title { font-family: var(--serif); font-size: 1.24rem; margin: .2em 0 .4em !important; }
.kb-diaglink__lead { color: var(--text-muted); font-size: .92rem; margin: 0 0 16px !important; }
.kb-content .kb-diaglink a.kb-btn { color: var(--navy); text-decoration: none; }

/* faq */
.kb-faq { display: grid; gap: 10px; margin: 0 0 24px; }
.kb-faq__item { border-radius: var(--radius-sm); background: #fff; border: 1px solid #E8E0CF; color: var(--ink); }
.kb-page--dark .kb-faq__item { background: rgba(247, 244, 237, .04); border-color: var(--line-soft); color: var(--text); }
.kb-faq__q { list-style: none; cursor: pointer; padding: 16px 44px 16px 48px; position: relative; font-weight: 600; line-height: 1.6; }
.kb-faq__q::-webkit-details-marker { display: none; }
.kb-faq__q::before { content: "Q"; position: absolute; left: 16px; top: 15px; font-family: Georgia, serif; color: #7A5D24; font-size: 1.1rem; }
.kb-faq__q::after { content: "+"; position: absolute; right: 18px; top: 13px; font-size: 1.3rem; color: #9C7F45; transition: transform .2s; }
.kb-faq__item[open] .kb-faq__q::after { transform: rotate(45deg); }
.kb-faq__a { padding: 0 18px 6px 48px; }
.kb-faq__a p { margin: 0 0 1em; }

/* forms */
.kb-form { margin: 24px 0; }
.kb-field { margin: 0 0 18px; }
.kb-field label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .94rem; }
.kb-form input[type=text], .kb-form input[type=email], .kb-form select, .kb-form textarea { width: 100%; min-height: 52px; padding: 12px 14px; font-size: 16px; border-radius: var(--radius-sm); border: 1px solid #CFC5AF; background: #fff; color: var(--ink); }
.kb-form textarea { line-height: 1.7; }
.kb-req { font-size: .7rem; background: #9C3D3D; color: #fff; border-radius: 4px; padding: .1em .5em; margin-left: .5em; vertical-align: middle; }
.kb-check label { font-weight: 400; display: flex; gap: 8px; align-items: center; }
.kb-check input { width: 22px; height: 22px; }
.kb-note { font-size: .84rem; color: var(--ink-soft); }

/* ---------- Footer ---------- */
.kb-footer { position: relative; overflow: hidden; background: #0B1324; border-top: 1px solid var(--line); padding: 56px 0 36px; color: var(--text-muted); }
.kb-footer__deco { position: absolute; right: -30px; top: 10px; width: 320px; opacity: .35; }
.kb-footer__inner { position: relative; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.kb-footer__brand { font-family: var(--serif); font-size: 1.3rem; letter-spacing: .14em; color: var(--ivory); margin: 0; }
.kb-footer__catch { font-family: var(--serif); color: var(--gold-soft); font-size: .9rem; margin: 4px 0 26px; }
.kb-footer__nav ul { list-style: none; padding: 0; margin: 0 0 18px; display: flex; flex-wrap: wrap; gap: 4px 18px; }
.kb-footer__nav a { color: var(--text); text-decoration: none; font-size: .88rem; display: inline-block; padding: 6px 0; }
.kb-footer__nav--sub a { color: var(--text-muted); font-size: .8rem; }
.kb-footer__note { font-size: .76rem; line-height: 1.8; border-top: 1px solid var(--line-soft); padding-top: 16px; }
.kb-footer__copy { font-size: .74rem; margin: 0; }

/* WordPress core helpers */
.alignleft { float: left; margin: 0 1.2em 1em 0; } .alignright { float: right; margin: 0 0 1em 1.2em; } .aligncenter { display: block; margin-left: auto; margin-right: auto; }
.wp-caption-text, figcaption { font-size: .82rem; color: var(--ink-soft); text-align: center; }
.screen-reader-text { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* offer button: 外部サイト表示を折り返しても崩れないように */
.kb-offer-card .kb-btn { flex-wrap: wrap; row-gap: 2px; padding-left: 1.2em; padding-right: 1.2em; }
.kb-ext { white-space: nowrap; }
.kb-offer__title, .kb-res__type, .kb-pagehead__title { text-wrap: balance; }

/* 表はスマートフォンで横スクロール（ページ全体をはみ出させない） */
.kb-content table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
@media (max-width: 599px) { .kb-content th { white-space: normal; width: auto; } }
html, body { overflow-x: clip; }