:root {
  --blue: #1748d1;
  --blue-dark: #0b2778;
  --blue-pale: #edf2ff;
  --lime: #d9ff45;
  --lime-dark: #9dbd20;
  --ink: #172039;
  --muted: #687188;
  --line: #d8deeb;
  --paper: #fff;
  --wash: #f4f6fb;
  --coral: #ff7557;
  --mint: #25a778;
  --shadow: 0 20px 55px rgba(18, 42, 103, .11);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--wash);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; }
button, select { cursor: pointer; }
a { color: inherit; }
img { max-width: 100%; }
fieldset { min-width: 0; }
[hidden] { display: none !important; }
.shell { width: min(1180px, calc(100% - 56px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 50; top: -100px; left: 14px; padding: 10px 15px; background: var(--ink); color: white; }
.skip-link:focus { top: 14px; }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(216, 222, 235, .86);
  background: rgba(244, 246, 251, .93);
  backdrop-filter: blur(14px);
}
.header-row { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 850; letter-spacing: .02em; text-decoration: none; }
.brand-mark { width: 37px; height: 37px; display: inline-grid; place-items: center; flex: none; border-radius: 11px; background: var(--blue); color: white; box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .17); font-weight: 900; }
.site-nav { display: flex; align-items: center; gap: 25px; }
.site-nav a { color: var(--muted); font-size: .88rem; font-weight: 750; text-decoration: none; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--blue); }

main { padding: 38px 0 92px; }
.eyebrow { margin: 0 0 7px; color: var(--blue); font-size: .78rem; font-weight: 900; letter-spacing: .13em; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1, h2, h3 { text-wrap: balance; }
h1 { margin: 0; font-size: clamp(2.6rem, 6.4vw, 5.7rem); line-height: 1.01; letter-spacing: -.055em; }
h2 { margin: 0; font-size: clamp(1.65rem, 3vw, 2.65rem); line-height: 1.22; letter-spacing: -.035em; }
h3 { margin: 0; line-height: 1.38; }
.lead { max-width: 600px; color: var(--muted); font-size: 1.03rem; font-weight: 600; }

.home-intro { display: grid; grid-template-columns: minmax(0, 1fr) 390px; align-items: end; gap: 58px; padding: 38px 0 28px; }
.home-intro h1 span, .detail-title h1 span { color: var(--blue); }
.home-intro .lead { margin: 22px 0 0; }
.method-strip { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: white; box-shadow: 0 10px 30px rgba(23, 72, 209, .06); }
.method-strip a { min-width: 0; padding: 20px 14px; text-align: center; text-decoration: none; }
.method-strip a + a { border-left: 1px solid var(--line); }
.method-strip strong { display: block; color: var(--blue); font-size: 1.7rem; line-height: 1; }
.method-strip span { display: block; margin-top: 8px; color: var(--muted); font-size: .76rem; font-weight: 800; }
.method-strip a:hover, .method-strip a:focus-visible { background: var(--blue-pale); outline: none; }

.quick-tool { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(355px, .85fr); overflow: hidden; border: 1px solid var(--line); border-radius: 28px; background: white; box-shadow: var(--shadow); }
.quick-input, .quick-result { padding: 34px; }
.section-label { display: flex; justify-content: space-between; gap: 15px; margin-bottom: 8px; color: var(--muted); font-size: .77rem; font-weight: 850; letter-spacing: .08em; }
.section-label span:first-child { color: var(--blue); }
.quick-input h2 { max-width: 540px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-top: 27px; }
.field label, .model-form label { display: block; margin-bottom: 7px; font-size: .85rem; font-weight: 850; }
input, select {
  width: 100%;
  min-height: 52px;
  padding: 0 14px;
  border: 1px solid #c5cddd;
  border-radius: 11px;
  outline: none;
  background: white;
  color: var(--ink);
}
input:focus, select:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(23, 72, 209, .12); }
.usage-field { margin: 19px 0 0; padding: 0; border: 0; }
.usage-field legend { margin-bottom: 7px; font-size: .85rem; font-weight: 850; }
.segmented { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.segmented button, .filter-buttons button, .yes-no button {
  min-height: 45px;
  border: 1px solid #c5cddd;
  border-radius: 10px;
  background: white;
  color: var(--muted);
  font-weight: 800;
}
.segmented button[aria-pressed="true"] { border-color: var(--blue); background: var(--blue-pale); color: var(--blue); box-shadow: inset 0 0 0 1px var(--blue); }
.microcopy, .field-help { margin: 9px 0 0; color: var(--muted); font-size: .78rem; }
.quick-result { position: relative; display: flex; flex-direction: column; justify-content: center; overflow: hidden; background: var(--blue-dark); color: white; }
.quick-result::after { position: absolute; right: -95px; bottom: -115px; width: 240px; height: 240px; border: 46px solid rgba(217, 255, 69, .08); border-radius: 50%; content: ""; }
.quick-result > * { position: relative; z-index: 1; }
.result-label { margin: 0; color: #c6d1f3; font-size: .88rem; font-weight: 750; }
.result-date { margin: 5px 0 0; font-size: clamp(2.4rem, 5vw, 4.4rem); line-height: 1; font-weight: 900; letter-spacing: -.055em; }
.result-count { margin: 11px 0 22px; color: var(--lime); font-weight: 850; }
.result-rule { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 20px; padding: 15px; border: 1px solid rgba(255, 255, 255, .13); border-radius: 13px; background: rgba(255, 255, 255, .08); font-size: .83rem; }
.result-rule span { font-weight: 850; }
.result-rule a { color: #dfe6ff; font-weight: 750; text-decoration: none; }
.primary-button, .lime-button, .dark-button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 0;
  border-radius: 11px;
  font-weight: 900;
  text-decoration: none;
}
.primary-button { background: var(--blue); color: white; box-shadow: 0 5px 0 var(--blue-dark); }
.quick-result .primary-button, .lime-button { background: var(--lime); color: #20360e; box-shadow: 0 5px 0 var(--lime-dark); }
.primary-button:active, .lime-button:active { transform: translateY(2px); box-shadow: 0 3px 0 var(--blue-dark); }
.quick-result .primary-button:active, .lime-button:active { box-shadow: 0 3px 0 var(--lime-dark); }

.saved-section, .library, .how-section, .interactive-section, .criteria-section, .difference-section, .variants-section, .faq-section, .source-section, .shopping-section, .compare-cta, .related-section { margin-top: 68px; scroll-margin-top: 95px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 22px; }
.section-heading > p { max-width: 420px; margin: 0 0 5px; color: var(--muted); font-size: .88rem; }
.section-heading > p strong { color: var(--blue); font-size: 1.15rem; }
.section-heading > a { color: var(--blue); font-size: .88rem; font-weight: 850; text-decoration: none; }
.empty-box { min-height: 110px; display: grid; place-items: center; padding: 25px; border: 1px dashed #b9c2d6; border-radius: 18px; background: rgba(255, 255, 255, .55); color: var(--muted); text-align: center; }
.saved-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
.saved-card { padding: 19px; border: 1px solid var(--line); border-radius: 16px; background: white; box-shadow: 0 8px 26px rgba(18, 42, 103, .06); }
.saved-top { display: flex; align-items: start; justify-content: space-between; gap: 12px; }
.saved-name { margin: 0; font-weight: 900; }
.saved-name a { text-decoration: none; }
.saved-status { display: block; margin-top: 8px; color: var(--blue); font-size: .82rem; font-weight: 900; }
.saved-date { margin: 1px 0 13px; color: var(--muted); font-size: .82rem; }
.saved-actions { display: grid; grid-template-columns: 1fr auto; gap: 7px; }
.saved-actions button { min-height: 40px; border-radius: 9px; font-size: .78rem; font-weight: 850; }
.done-button { border: 1px solid var(--blue); background: var(--blue); color: white; }
.remove-button { padding-inline: 12px; border: 1px solid var(--line); background: white; color: var(--muted); }

.filter-panel { display: grid; grid-template-columns: minmax(260px, 1fr) minmax(420px, auto); gap: 28px; align-items: end; margin-bottom: 20px; padding: 20px; border: 1px solid var(--line); border-radius: 17px; background: white; }
.search-field > span, .filter-group > span, .select-filter { display: block; color: var(--muted); font-size: .76rem; font-weight: 850; }
.search-field input { margin-top: 6px; }
.filter-groups { display: flex; align-items: end; gap: 22px; }
.filter-buttons { display: flex; gap: 6px; margin-top: 6px; }
.filter-buttons button { min-width: 57px; min-height: 43px; padding-inline: 12px; font-size: .78rem; }
.filter-buttons button[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: white; }
.select-filter select { min-width: 155px; min-height: 43px; margin-top: 6px; }
.item-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 13px; }
.item-card { min-height: 228px; display: flex; flex-direction: column; padding: 19px; border: 1px solid var(--line); border-radius: 18px; background: white; color: var(--ink); text-decoration: none; transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
.item-card:hover, .item-card:focus-visible { transform: translateY(-3px); border-color: var(--blue); box-shadow: 0 13px 32px rgba(23, 72, 209, .13); outline: none; }
.item-card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.item-icon { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 11px; background: var(--blue-pale); color: var(--blue); font-size: .87rem; font-weight: 900; }
.type-badge { display: inline-flex; align-items: center; width: fit-content; min-height: 27px; padding: 3px 9px; border-radius: 999px; font-size: .68rem; font-weight: 900; letter-spacing: .02em; }
.type-cycle { background: #e9eeff; color: var(--blue); }
.type-state { background: #e5f7f0; color: #087552; }
.type-model { background: #fff0e9; color: #b3462f; }
.item-name { margin-top: 17px; font-size: 1.04rem; font-weight: 900; }
.item-answer { margin-top: 4px; color: var(--muted); font-size: .79rem; line-height: 1.55; }
.card-link { margin-top: auto; padding-top: 17px; color: var(--blue); font-size: .78rem; font-weight: 850; }
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--line); gap: 1px; }
.how-grid article { padding: 29px; background: white; }
.how-number { color: var(--blue); font-size: .75rem; font-weight: 900; letter-spacing: .12em; }
.how-grid h3 { margin-top: 11px; font-size: 1.22rem; }
.how-grid p { margin: 7px 0 0; color: var(--muted); font-size: .86rem; }
.trust-note { display: grid; grid-template-columns: auto 1fr; gap: 15px; margin-top: 18px; padding: 20px 22px; border-radius: 15px; background: #e9edf6; color: #4c566e; }
.trust-note > span { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; background: white; color: var(--blue); font-weight: 900; }
.trust-note p { margin: 0; font-size: .8rem; }

/* Detail pages */
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; margin: 4px 0 28px; color: var(--muted); font-size: .78rem; }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { color: var(--blue); }
.detail-hero { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(320px, .7fr); gap: 60px; align-items: end; padding: 12px 0 16px; }
.detail-labels { display: flex; align-items: center; gap: 14px; margin-bottom: 15px; color: var(--muted); font-size: .72rem; font-weight: 850; letter-spacing: .08em; }
.detail-title h1 { font-size: clamp(3rem, 6vw, 5.8rem); }
.detail-title > p { max-width: 650px; margin: 21px 0 0; color: var(--muted); font-weight: 600; }
.verdict-card { position: relative; overflow: hidden; padding: 27px; border-radius: 23px; background: var(--blue-dark); color: white; box-shadow: var(--shadow); }
.verdict-card::after { position: absolute; right: -36px; top: -44px; width: 118px; height: 118px; border: 24px solid rgba(217, 255, 69, .1); border-radius: 50%; content: ""; }
.verdict-icon { width: 43px; height: 43px; display: grid; place-items: center; border-radius: 12px; background: var(--lime); color: #20360e; font-weight: 900; }
.verdict-card > p { margin: 19px 0 4px; color: #bdc9ed; font-size: .78rem; font-weight: 800; }
.verdict-card h2 { position: relative; z-index: 1; font-size: clamp(1.45rem, 2.6vw, 2rem); }
.verdict-period { display: flex; align-items: end; justify-content: space-between; gap: 15px; margin-top: 21px; padding-top: 17px; border-top: 1px solid rgba(255, 255, 255, .17); }
.verdict-period span { color: #bdc9ed; font-size: .76rem; }
.verdict-period strong { color: var(--lime); font-size: 1.05rem; }
.detail-section-heading { margin-bottom: 18px; }
.detail-tool { overflow: hidden; border: 1px solid var(--line); border-radius: 24px; background: white; box-shadow: var(--shadow); }
.cycle-tool, .model-tool { display: grid; grid-template-columns: 1fr 1fr; }
.tool-form, .tool-output, .model-form, .model-output { padding: 31px; }
.tool-output, .model-output { background: var(--blue-dark); color: white; }
.tool-step { margin: 0 0 17px; color: var(--blue); font-size: .76rem; font-weight: 900; letter-spacing: .08em; }
.tool-output .tool-step, .model-output .tool-step { color: #bfcbef; }
.tool-form > label { display: block; margin-bottom: 7px; font-size: .84rem; font-weight: 850; }
.detail-date { margin: 0; font-size: clamp(2.5rem, 5.7vw, 4.9rem); line-height: 1; font-weight: 900; letter-spacing: -.055em; }
.detail-count { margin: 9px 0 21px; color: var(--lime); font-weight: 850; }
.tool-output .lime-button { width: 100%; }
.tool-note { margin: 11px 0 0; color: #c6d1f2; text-align: center; font-size: .74rem; }
.segmented-light button[aria-pressed="true"] { border-color: var(--blue); background: var(--blue-pale); color: var(--blue); }

.diagnosis-tool { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); }
.diagnosis-form, .diagnosis-output { padding: 31px; }
.diagnosis-output { display: flex; flex-direction: column; justify-content: center; background: var(--blue-dark); color: white; }
.question-list { display: grid; gap: 10px; }
.question { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 20px; margin: 0; padding: 16px; border: 1px solid var(--line); border-radius: 13px; }
.question legend { display: contents; font-size: .88rem; font-weight: 750; }
.question legend span { margin-right: 8px; color: var(--blue); font-size: .72rem; font-weight: 900; }
.yes-no { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; min-width: 142px; }
.yes-no button { min-height: 41px; padding-inline: 12px; font-size: .77rem; }
.yes-no button[aria-pressed="true"] { border-color: var(--blue); background: var(--blue); color: white; }
.diagnosis-placeholder { display: flex; align-items: center; gap: 17px; color: #cad3f1; }
.diagnosis-placeholder > span { width: 58px; height: 58px; display: grid; place-items: center; border: 2px solid rgba(255, 255, 255, .25); border-radius: 50%; font-size: 1.5rem; font-weight: 900; }
.diagnosis-placeholder p { margin: 0; }
.diagnosis-grade { display: inline-flex; width: fit-content; padding: 5px 10px; border-radius: 999px; background: var(--lime); color: #20360e; font-size: .72rem; font-weight: 900; }
.diagnosis-output h3 { margin-top: 14px; font-size: clamp(1.7rem, 3.5vw, 2.8rem); }
.diagnosis-output > p:last-child { margin: 10px 0 0; color: #d0d8f2; font-size: .88rem; }

.model-form .primary-button { width: 100%; margin-top: 18px; }
.field-help strong { color: var(--ink); }
.memo-card { min-height: 135px; padding: 17px; border: 1px solid rgba(255, 255, 255, .14); border-radius: 13px; background: rgba(255, 255, 255, .08); }
.memo-card p { margin: 0; color: #d0d8f2; font-size: .86rem; }
.memo-card strong { display: block; margin-bottom: 8px; color: var(--lime); font-size: 1.1rem; }
.memo-card ul { margin: 8px 0 0; padding-left: 1.2em; color: #e8ecfa; font-size: .82rem; }
.text-button { min-height: 42px; margin-top: 13px; padding: 0; border: 0; background: transparent; color: var(--lime); font-weight: 850; }
.text-button:disabled { color: #8592bd; cursor: not-allowed; }

.criteria-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--line); }
.criteria-grid article { min-height: 230px; padding: 27px; background: white; }
.criteria-grid article > span { color: var(--blue); font-size: .75rem; font-weight: 900; letter-spacing: .1em; }
.criteria-grid h3 { margin-top: 28px; font-size: 1.15rem; }
.criteria-grid p { margin: 8px 0 0; color: var(--muted); font-size: .84rem; }
.difference-layout { display: grid; grid-template-columns: 1.3fr .7fr; gap: 18px; }
.difference-list { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.difference-list article { display: grid; grid-template-columns: 45px 1fr; gap: 17px; padding: 21px 24px; }
.difference-list article + article { border-top: 1px solid var(--line); }
.difference-list article > span { color: var(--blue); font-size: .75rem; font-weight: 900; }
.difference-list h3 { font-size: 1rem; }
.difference-list p { margin: 3px 0 0; color: var(--muted); font-size: .82rem; }
.care-card { padding: 27px; border-radius: var(--radius); background: var(--lime); color: #233610; }
.care-label { margin: 0 0 8px; font-size: .72rem; font-weight: 900; letter-spacing: .12em; }
.care-card h3 { font-size: 1.35rem; }
.care-card ul { margin: 19px 0 0; padding: 0; list-style: none; counter-reset: tips; }
.care-card li { display: grid; grid-template-columns: 25px 1fr; gap: 9px; padding: 10px 0; border-top: 1px solid rgba(34, 55, 15, .2); font-size: .82rem; font-weight: 750; }
.care-card li::before { counter-increment: tips; content: counter(tips); width: 22px; height: 22px; display: grid; place-items: center; border-radius: 50%; background: #21350f; color: white; font-size: .68rem; }
.variant-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.variant-grid article { padding: 24px; border: 1px solid var(--line); border-radius: 16px; background: white; }
.variant-grid h3 { color: var(--blue); font-size: 1rem; }
.variant-grid p { margin: 7px 0 0; color: var(--muted); font-size: .82rem; }
.faq-list { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.faq-list details + details { border-top: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 20px 58px 20px 23px; cursor: pointer; font-weight: 850; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; right: 23px; top: 50%; width: 28px; height: 28px; display: grid; place-items: center; transform: translateY(-50%); border-radius: 50%; background: var(--blue-pale); color: var(--blue); content: "+"; font-size: 1.05rem; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 850px; margin: -5px 23px 22px; color: var(--muted); font-size: .88rem; }
.source-section { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 35px; padding: 27px; border-radius: 19px; background: #e9edf6; }
.source-main > p:not(.eyebrow) { max-width: 700px; margin: 10px 0 0; color: #4d576f; font-size: .84rem; }
.source-main h2 { font-size: 1.55rem; }
.safety-note { padding: 12px 14px; border-left: 3px solid var(--coral); background: rgba(255, 255, 255, .55); }
.source-meta { display: flex; flex-direction: column; align-items: end; gap: 9px; font-size: .76rem; }
.source-meta span { color: var(--muted); }
.source-meta a { max-width: 290px; color: var(--blue); font-weight: 850; text-align: right; }
.shopping-section { display: grid; grid-template-columns: minmax(0, .85fr) minmax(420px, 1.15fr); gap: 34px; align-items: center; padding: 34px; border-radius: 24px; background: var(--blue-dark); color: white; box-shadow: var(--shadow); }
.shopping-section .eyebrow { color: var(--lime); }
.shopping-copy > p:not(.eyebrow) { margin: 11px 0 0; color: #d3dcf7; font-size: .87rem; }
.shopping-actions > p:first-child { margin: 0; padding: 18px; border: 1px dashed rgba(255, 255, 255, .28); border-radius: 13px; color: #c9d4f3; font-size: .84rem; text-align: center; }
.market-links { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.market-link { min-height: 56px; display: flex; align-items: center; justify-content: center; gap: 8px; padding: 0 16px; border-radius: 12px; font-size: .86rem; font-weight: 900; text-align: center; text-decoration: none; }
.market-link span { padding: 2px 6px; border-radius: 999px; background: rgba(255, 255, 255, .2); font-size: .65rem; }
.market-yahoo { background: #ff003c; color: white; box-shadow: 0 5px 0 #a90028; }
.market-rakuten { background: white; color: #bf0000; box-shadow: 0 5px 0 #c9d0e3; }
.market-link:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; }
.affiliate-note { margin: 13px 0 0; color: #aebce5; font-size: .72rem; line-height: 1.65; }
.compare-cta { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 45px; padding: 34px; border-radius: 24px; background: var(--blue); color: white; }
.compare-cta .eyebrow { color: var(--lime); }
.compare-cta p:not(.eyebrow) { max-width: 670px; margin: 10px 0 0; color: #d5ddf8; font-size: .87rem; }
.dark-button { min-width: 220px; background: var(--lime); color: #21350f; box-shadow: 0 5px 0 var(--lime-dark); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
.item-card--compact { min-height: 190px; }

.site-footer { padding: 34px 0 42px; border-top: 1px solid var(--line); color: var(--muted); }
.footer-row { display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.footer-row strong { color: var(--ink); }
.footer-row p { margin: 3px 0 0; font-size: .8rem; }
.footer-stack { display: grid; justify-items: end; gap: 8px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: end; gap: 7px 17px; font-size: .74rem; }
.footer-links a { text-decoration: none; }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--blue); }
.footer-meta { display: flex; gap: 18px; font-size: .74rem; }
.toast { position: fixed; z-index: 60; left: 50%; bottom: 28px; max-width: calc(100% - 32px); padding: 12px 18px; transform: translate(-50%, 18px); border-radius: 11px; background: var(--ink); color: white; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease; font-size: .85rem; font-weight: 800; }
.toast.show { transform: translate(-50%, 0); opacity: 1; }
.not-found { min-height: 100vh; display: grid; place-content: center; justify-items: start; padding: 28px; }
.not-found > p { margin: 25px 0 0; color: var(--blue); font-weight: 900; }
.not-found h1 { margin: 4px 0 25px; font-size: clamp(2.5rem, 7vw, 5rem); }

/* Policy pages */
.policy-main { padding-top: 30px; }
.policy-shell { max-width: 1020px; }
.policy-hero { max-width: 800px; padding: 25px 0 44px; }
.policy-hero h1 { font-size: clamp(2.7rem, 6vw, 5.3rem); }
.policy-hero > p:last-child { max-width: 680px; margin: 18px 0 0; color: var(--muted); font-size: 1.04rem; font-weight: 650; }
.policy-layout { display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: 42px; align-items: start; }
.policy-sections { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.policy-sections section { padding: 30px; }
.policy-sections section + section { border-top: 1px solid var(--line); }
.policy-sections h2 { font-size: clamp(1.35rem, 2.5vw, 1.85rem); }
.policy-sections p { margin: 13px 0 0; color: #4f5970; font-size: .92rem; }
.policy-sections ul { margin: 16px 0 0; padding: 17px 20px 17px 40px; border-radius: 13px; background: var(--blue-pale); color: #3e4e78; font-size: .87rem; }
.policy-sections li + li { margin-top: 7px; }
.policy-index { position: sticky; top: 94px; display: grid; gap: 10px; padding: 22px; border-radius: 17px; background: var(--ink); color: white; }
.policy-index strong { color: var(--lime); }
.policy-index a { color: #e2e7f6; font-size: .82rem; text-decoration: none; }
.policy-index a:hover, .policy-index a:focus-visible { color: var(--lime); }
.policy-index span { margin-top: 8px; padding-top: 12px; border-top: 1px solid rgba(255, 255, 255, .14); color: #9eabc9; font-size: .7rem; }

@media (max-width: 980px) {
  .home-intro { grid-template-columns: 1fr; gap: 24px; }
  .method-strip { max-width: 560px; }
  .quick-tool { grid-template-columns: 1fr; }
  .quick-result { min-height: 390px; }
  .item-grid { grid-template-columns: repeat(3, 1fr); }
  .filter-panel { grid-template-columns: 1fr; gap: 18px; }
  .detail-hero { grid-template-columns: 1fr; gap: 28px; }
  .verdict-card { max-width: 610px; }
  .diagnosis-tool { grid-template-columns: 1fr; }
  .diagnosis-output { min-height: 285px; }
  .difference-layout { grid-template-columns: 1fr; }
  .shopping-section { grid-template-columns: 1fr; }
  .policy-layout { grid-template-columns: 1fr; }
  .policy-index { position: static; }
}

@media (max-width: 760px) {
  .shell { width: min(100% - 34px, 1180px); }
  .site-nav a:first-child { display: none; }
  main { padding-top: 24px; }
  .home-intro { padding-top: 22px; }
  .home-intro h1 { font-size: clamp(2.75rem, 14vw, 4.5rem); }
  .form-grid { grid-template-columns: 1fr; }
  .quick-input, .quick-result { padding: 25px 21px; }
  .quick-result { min-height: 360px; }
  .saved-list { grid-template-columns: 1fr 1fr; }
  .item-grid { grid-template-columns: 1fr 1fr; }
  .item-card { min-height: 210px; }
  .filter-groups { align-items: stretch; flex-direction: column; gap: 16px; }
  .select-filter select { width: 100%; }
  .how-grid, .criteria-grid, .variant-grid { grid-template-columns: 1fr; }
  .how-grid article + article { border-top: 1px solid var(--line); }
  .section-heading { align-items: start; flex-direction: column; gap: 8px; }
  .detail-hero { padding-top: 0; }
  .detail-title h1 { font-size: clamp(3.1rem, 15vw, 5.1rem); }
  .cycle-tool, .model-tool { grid-template-columns: 1fr; }
  .tool-form, .tool-output, .model-form, .model-output, .diagnosis-form, .diagnosis-output { padding: 24px 20px; }
  .tool-output, .model-output { min-height: 300px; }
  .question { grid-template-columns: 1fr; }
  .question legend { display: block; }
  .yes-no { width: 100%; }
  .criteria-grid article { min-height: 190px; }
  .source-section, .shopping-section, .compare-cta { grid-template-columns: 1fr; align-items: start; gap: 22px; }
  .source-meta { align-items: start; }
  .source-meta a { text-align: left; }
  .dark-button { width: 100%; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-row { align-items: start; flex-direction: column; }
  .footer-stack { justify-items: start; }
  .footer-links { justify-content: start; }
  .footer-meta { flex-direction: column; gap: 3px; }
}

@media (max-width: 500px) {
  .header-row { min-height: 62px; }
  .site-nav { font-size: .75rem; }
  .site-nav a { font-size: .76rem; }
  .method-strip a { padding: 16px 8px; }
  .method-strip strong { font-size: 1.45rem; }
  .method-strip span { font-size: .66rem; }
  .saved-list, .item-grid { grid-template-columns: 1fr; }
  .item-card { min-height: 180px; }
  .filter-buttons { display: grid; grid-template-columns: repeat(4, 1fr); }
  .filter-buttons button { min-width: 0; padding-inline: 6px; }
  .result-rule { align-items: start; flex-direction: column; }
  .source-section, .shopping-section, .compare-cta { padding: 24px 20px; }
  .market-links { grid-template-columns: 1fr; }
  .policy-sections section { padding: 24px 20px; }
}

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